JP2822870B2 - Foreign matter removal device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a foreign matter removing apparatus for removing foreign matter mixed in a seaweed preparation liquid obtained by mixing a seaweed raw material and water, and more particularly to a foreign matter capable of removing a plurality of kinds of foreign matter having different characteristics. It relates to a removing device.

[0002]

2. Description of the Related Art Conventionally, as an apparatus similar to this kind of foreign matter removing apparatus, there has been an iron powder removing apparatus in a laver manufacturing apparatus disclosed in Japanese Patent Application Laid-Open No. 57-159439. This conventional iron powder removing device is shown in FIG. FIG. 4 is a schematic configuration perspective view of a conventional iron powder removing device. In the figure, the conventional iron powder removing device has a plurality of partition plates 11, 12, 13, 18 at predetermined intervals so that the mixed solution overflows into a gutter 10 through which the mixed solution of laver and water flows. And an iron powder adsorbing device 30 such as an electromagnet is detachably or fixedly mounted on the upper part of the partition plate 13, and each of the partition plates 11, 1
The eaves 11a, 12a, 13a, and 18a projecting to the upper side through which the mixture flows are attached to the upper surfaces of 2, 13, and 18 respectively.

Next, the operation of the conventional apparatus based on the above configuration for removing iron powder will be described. First, when a mixed liquid of laver and water is supplied from the receiving pipe 90, the mixed liquid overflows the partition plates 11, 12, 13, and 18 sequentially in the gutter 10, and flows from the feed port 91 to the downstream side. It is supplied directly to the concentration adjustment tank.
When the partition plates 11, 12, 13, and 18 overflow, contaminants contained in the mixed solution are separated from the partition plates 11, 12, 13, and 18.
Are settled downward by turbulence generated below each of the eaves 11a, 12a, 13a and 18a, and contaminants as foreign substances are removed from the mixture. Further, the mixed liquid that overflows the partition plate 13 is supplied to the iron powder adsorber 3 stored under the eaves plate 13a.
With 0, the impurities of the magnetic substance are adsorbed and removed from the mixture. FIG. 5 shows a distribution mode of the magnetic field induced by the iron powder adsorbing device 30.

[0004]

Since the conventional foreign matter removing apparatus is constructed as described above, each gutter chamber formed by partitioning the inside of the gutter body 10 by the partition plates 11, 12, 13, 18 is described. Even if the impurities drop and settle on the bottom surface of the mixture, since the mixed solution is blocked by the partition plates 11, 12, 13, and 18, and the turbulence is generated, the turbulence causes the impurities to be stirred and the mixed solution again. There is a problem that it is mixed into the water and flows down. Further, foreign matters having a low specific gravity cannot be removed because they flow down the liquid surface. Further, since the iron powder adsorbing device 30 is disposed below the eaves plate 13 in the partition plate 13, the magnetic force generated by an electromagnet or the like forming the iron powder adsorbing device 30 is weakened, and sufficient adsorbing force is applied to the mixed liquid. There was a problem that it was not able to work on foreign substances inside, and it was not possible to remove foreign substances composed of magnetic substances such as rust and iron chips.

[0005] In particular, when the present apparatus is applied to a laver manufacturing apparatus, the above problem becomes even more serious since various contaminants are mixed in the laver mixture.
As a first foreign substance of the various contaminants, there are light-weight substances such as straw chips, reed leaf chips, and reed flower chips that float in seawater when the nori-producing algae is harvested. As the second foreign substance, there are small shrimps, fry, etc., which invade and live in the nori original algae and have a specific gravity of marine organisms close to one. The third foreign substance is a chemical substance such as vinyl having a specific gravity close to 1. As the fourth foreign substance, a foreign substance having a high specific gravity, such as a shell, a barnacle, and sand, which enters the nori original algae. As the fifth foreign matter, there are heavy metals such as rust and iron powder of machinery generated during the manufacturing process of laver. When these contaminants are mixed in the nori mixed liquid or the finished dried laver, there arises a problem that the commercial value of the nori is significantly reduced or eliminated.

The present invention has been made in order to solve the above-mentioned problems, and an object of the present invention is to provide a foreign matter removing apparatus capable of reliably removing and collecting various impurities mixed in a mixed solution.

[0007]

According to the present invention, there is provided an apparatus for removing foreign matter, comprising a gutter for flowing a mixture of laver raw material and water, and a plurality of gutters arranged in the gutter in a direction intersecting the flow direction of the mixture. The upper end of the plate is lower than the liquid level of the mixed liquid, and a gap is provided at the lower end of at least one plate of the plurality of plates. A plurality of partition plates provided, an upper plate side of at least one of the plurality of partition plates, an eaves plate formed to protrude to the upstream side through which the mixture flows, and the plurality of partition plates. It has a porous body provided on the lower surface of the formed gutter chamber, and a foaming part provided below the inside of the gutter body and foaming bubbles.

In addition, the foreign matter removing device according to the present invention may include, if necessary, a hollow housing extending in a lateral direction of the gutter at one of the plurality of partition plates at an upper end portion of any one of the partition plates. And an electromagnet or a permanent magnet is detachably inserted and housed in the hollow housing. In addition, the foreign matter removing device according to the present invention is provided with an auxiliary magnetic body on the outer periphery of the hollow casing as required. In addition, the foreign matter removing device according to the present invention forms a plurality of gutter chambers in the gutter body with a plurality of partition plates as needed, and a porous body having a large hole and a porous body having a small hole on each lower surface of the plurality of gutter chambers. And is arranged.

Further, the foreign matter removing apparatus according to the present invention forms a plurality of gutter chambers in the gutter body with a plurality of partition plates as necessary.
A foaming section for foaming large bubbles and a foaming section for foaming small bubbles are arranged on the lower surface of any of the plurality of gutter chambers in the flow direction of the mixture. In addition, the foreign matter removing device according to the present invention may include, if necessary, a blind-shaped body or a bubble stopping plate that hangs down from above the vicinity of a later-stage partition plate of the plurality of partition plates to a liquid surface of the mixed liquid, and A collection unit that suctions and collects contaminants adhering to the shape or air bubbles stored in the air bubble stop plate.

[0010]

In the apparatus of the present invention, a plurality of partition plates are arranged in a gutter body to form a gutter chamber, an eaves body is formed at the upper end of the partition plate, and a porous body is formed in a space area below the gutter chamber. Is arranged, the contaminants mixed in the mixed solution flowing through the gutter body are precipitated downward by the eaves, and the precipitated contaminants can be captured in the porous body, so that the contaminants can be reliably removed. Separation and recovery are possible. Further, in the apparatus of the present invention, a hollow casing extending in the lateral direction of the partition plate is formed, and the electromagnet or the permanent magnet is housed in this hollow casing so as to be freely inserted. It is possible to reliably adsorb and collect magnetic substances such as iron and iron scraps.

Further, in the device of the present invention, since the auxiliary magnetic material is arranged on the outer periphery of the hollow casing, the magnetic field can be widely distributed to the mixed solution in the gutter body, and a strong magnetic force can be obtained. Adsorbs magnetic substances such as rust and iron chips mixed in the mixture. In the device of the present invention,
Since porous bodies having different hole sizes are arranged on each lower surface of the plurality of gutter chambers in the gutter body formed by the plurality of partition plates, contaminants having different sizes can be reliably captured and collected. .

Further, in the apparatus of the present invention, since bubbles having different sizes are generated from below any of the plurality of gutter chambers formed by the plurality of partition plates, impurities having different sizes are removed. Each can be reliably captured and collected.
Further, in the apparatus of the present invention, a cord-shaped body or a bubble stopping plate hanging down to the liquid surface is provided near the latter-stage partition plate, and foreign matters adhering to the cord-shaped body or bubbles stored in the bubble stopping plate are collected by the collecting unit. Is collected by suction, so that the floating contaminants can be reliably collected in combination with the floating action of the contaminants due to the bubbles generated from the bubble portion.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A foreign matter removing apparatus according to an embodiment of the present invention will be described below with reference to FIGS. FIG. 1 is a perspective view of the entire configuration of the apparatus of this embodiment, and FIG.
FIG. 3 is a schematic explanatory view showing a manufacturing process including the apparatus of the present embodiment up to drying, and FIG.

In each of the drawings, the foreign matter removing apparatus according to the present embodiment is configured such that a laver preparation liquid 800 obtained by mixing a laver material and water is supplied from a blender 80 via a receiving pipe 90 to a concentration adjusting tank 81 at a subsequent stage. The gutter body 10 which is sent out through the feed port 91 and serves as a casing of the apparatus, and the gutter body 10 is
Are arranged so as to intersect with the direction of circulation of 00,
Partition plates 11, 12, 13, 14 forming four gutter chambers 71, 72, 73, 75 in the gutter body 10 and a first mesh body 15 arranged on the bottom surface of the gutter chamber 72 and having a large mesh. A second mesh body 1 disposed on the bottom of the gutter chamber 73 and having a small mesh.
6, an iron powder adsorbing portion 3 extending over the entire length of the partition plate 13 on the upper end side of the partition plate 13, and the first mesh member 15
And a foaming section 4 for foaming bubbles from below the second mesh body 16 and a liquid stage of the laver preparation liquid 800 on the downstream side of the iron powder adsorbing section 3 (downstream of the flow of the laver preparation liquid 800, the same applies hereinafter). And a collection unit 5 having a hanging cord 52.

The partition plate 11 is formed with an eaves body 11a having an upper end bent forward (toward the upstream of the laver preparation liquid 800, the same applies hereinafter), and a lower end contacting the inner bottom surface of the gutter body 10. Formed. Further, the partition plate 12 has an eaves body 12a formed in the same manner as the partition plate 11, and the lower end of the gutter body 10a.
Is formed so as to have a gap of a predetermined width with respect to the inner bottom surface of the. Further, the partition plate 13 has an iron powder adsorbing portion 3 at an upper end portion.
Is formed, and the lower end of the gutter body 10 is formed in the same manner as the partition plate 12.
Is formed so as to have a gap of a predetermined width with respect to the inner bottom surface of the. The partition plate 14 is the same as the partition plate 11,
a is formed, and the lower end portion is formed in contact with the inner bottom surface of the gutter body 10. A collection chamber 74 that communicates laterally with a gap between the lower ends of the partition plates 12 and 13 is formed.

Each of the partition plates 11, 12, 13, 14,
Are formed so that the upper end is lower than the liquid level of the laver preparation liquid 800, and the eaves plate 11a formed at the upper end is
Nori preparation liquid 800 from 12a, 14a and iron powder adsorption part 3
Are formed to overflow. Each of the partition plates 11, 1
Each of 2, 13, and 14 is preferably formed of a nonmagnetic material such as austenitic stainless steel or plastic, and the surface is preferably formed of a corrosion-resistant material. That is, since the iron powder adsorbing portion 3 is disposed near the partition plates 11, 12, 13, and 14, the magnetic influence is eliminated, and the magnetic field induced by the iron powder adsorbing portion 3 is reduced. This is because it is generated widely in the seaweed preparation liquid 800.

The iron powder adsorbing section 3 includes a hollow casing 31 extending over the entire side of the partition plate 11,
And a supplementary magnetic body 33 made of a ferromagnetic metal that detachably extends over the entire upper surface of the hollow housing 31. The auxiliary magnetic body 33 is preferably made of a ferromagnetic material such as steel and subjected to nickel plating or the like to prevent rust. The foaming section 4 is arranged below the first mesh body 15 and foams a front-stage foaming section 42 that foams somewhat large bubbles. The foaming section 4 is arranged below the second mesh body 16 and foams slightly small bubbles. The rear foaming section 43 and the foaming sections 42, 4
3 and a foam control unit 41 for controlling the foam amount.

The collecting section 5 includes a plurality of cords 52 suspended down to the liquid level of the nori preparation liquid 800, and the plurality of cords 52 each housed in a cylinder and located at a position slightly higher than the liquid level. , A plurality of suction portions 53, and a discharge portion 51 formed of a hollow cylinder communicating with each of the suction portions 53, and contaminants together with air from the hollow cylinder of the discharge portion 51. And a blower 54 for discharging.

Next, a description will be given of the operation of removing contaminants according to the present embodiment based on the above configuration. First, as a premise, a seaweed raw material is generated by performing mincing treatment and washing treatment of the seaweed original algae. Mixing machine 8 of this seaweed raw material and water
0 is mixed at a predetermined ratio to produce a laver preparation liquid 800. The laver preparation liquid 800 is supplied to the foreign matter removing device 1 of the present apparatus via the receiving pipe 90. The supplied laver preparation liquid 800 flows into the first gutter chamber 71, and then the partition plate 1
The water overflows over the first eave plate 11a and flows into the second gutter chamber 72. When the laver preparation liquid 800 that has flowed into the second gutter chamber 72 flows through the collection chamber 74 formed below the partition plates 12 and 13 and becomes full, the second and third gutter chambers 72 and 7 are further filled.
Fill 3 full. The laver preparation liquid 800 which is filled up in the second and third gutter chambers 72, 73 overflows above the partition plates 12, 13 and flows into the fourth gutter chamber 75.

Thus, each of the gutter chambers 71, 72, 73, 75
When the recovery chamber 74 is completely filled with the laver preparation liquid 800, it overflows from the upper part of each of the partition plates 11, 12, 13, and 14, flows into the fifth gutter chamber 76, and the laver preparation liquid 800 sequentially flows. Becomes In the course of this distribution, the eaves 11a of the partition plate 11 cause the foreign matter having a large shape and a large specific gravity mixed into the laver preparation liquid 800 to precipitate downward, thereby preventing overflow from passing therethrough. The contaminants that have overflowed the partition plate 11 flow into the second gutter chamber 72, where the front-stage foaming section 42 foams large bubbles from below, so that a relatively large amount of straw chips and reeds are formed. Light-weight contaminants such as leaf debris, reed flower pieces, relatively small shrimp, fry, and vinyl pieces are raised upward.

In the second gutter chamber 72,
Relatively large shrimp, fry, etc., the specific gravity of marine organisms is close to 1; chemical substances such as vinyl have a specific gravity of close to 1; shells, barnacles, sand, etc., with a high specific gravity; If metals such as powder fall down,
And is captured in the storage chamber 74. The various contaminants thus captured are sequentially moved sideways in the storage chamber 74, and finally are reliably stored in the terminal closed area 74a. During the lateral movement in the storage room 74, since the first and second mesh members 15, 16 are present above, the upward movement can be suppressed. In addition, the stitch body 15,
No. 16 can obtain the same effect by using a perforated plate such as a punched plate having different or different hole sizes.

The foreign substances that have overflowed from the second gutter chamber 72 and flowed into the third gutter chamber 73 into the third gutter chamber 73 are mixed with the laver mixture by the iron powder adsorbing portion 3 protruding toward the upper end of the partition plate 13. 80
The contaminants settled downward are prevented from overflowing. Further, similarly to the second gutter chamber 72, in the third gutter chamber 73, the rear-stage foaming section 43 foams small bubbles from below, and specific gravity of fine straw chips, reed leaf chips, reed flower pieces, and the like. Light contaminants and relatively small shrimp, fry,
Float a piece of vinyl upward. Further, in the third gutter chamber 73, when various fine contaminants fall downward, they pass through the second mesh body 15 and are captured in the storage chamber 74. The captured various impurities are stored in the storage room 74.
It moves to the side and is securely stored in the closed area 74a at the end. During the lateral movement in the storage chamber 74, even if turbulence occurs or a change in the flow velocity occurs, the first and second mesh members 15 and 16 are located upward even if the first and second meshes 15 and 16 are present above. Soaring can be suppressed.

Further, from the third gutter chamber 73, the partition plate 1
The contaminants that overflow from 3 and flow to the fourth gutter chamber 75 are captured or collected by the iron powder adsorption unit 3 and the collection unit 5. In the iron powder adsorbing section 3, the auxiliary magnetic body 33 having ferromagnetism is magnetized by the magnetic flux induced by the magnet body 32, and this magnetization is spread laterally as shown in FIG. The magnetic material such as rust and iron chips mixed in the laver preparation liquid 800 can be adsorbed on the auxiliary magnetic material 33 by a strong magnetic force. The impurities once adsorbed are prevented from being separated by the strong magnetization of the auxiliary magnetic body 33. In addition, since the bubbles foamed by the foaming sections 42 and 43 in the first and second stages adhere to various contaminants and float on the liquid surface of the seaweed preparation liquid 800, the collecting section 5 generates the contaminants. Is adhered to the mat 52, and the attached contaminants are discharged from the suction unit 53 together with the air sucked by the blower 54 from the discharge unit 51.
Collected to

A stop plate for stopping only the air bubbles floating on the passing laver mixture instead of the screen 52 is provided on the subsequent stage of the suction section 53 to store the air bubbles.
May be sucked and discharged. As described above, various contaminants are sequentially collected over a plurality of stages, so that the contaminants in the laver preparation liquid 800 can be reliably separated and collected. The seaweed preparation liquid 800 from which the contaminants have been collected is directly supplied from the feed port 91 to the concentration adjusting tank 81. The concentration of the seaweed preparation liquid 800 in the concentration adjustment tank 81 is adjusted based on the detection result of the concentration detection unit 21 by the concentration control unit 2.
Controls the water supply pump 83 or the drainage pump 84 to perform feedback control to the target concentration.

The adjusted and controlled laver preparation liquid 800 is supplied to the paper making section 100 through the outlet pipe 89 to be made into paper leaf-shaped laver, and dried in the drying section 200 to produce a finished dried laver. You. Surplus seaweed preparation liquid 80 in this papermaking operation
0 is the first gutter chamber 7 of the foreign matter removing device 1 through the collection pipe 92.
1 again. In the laver manufacturing process as described above, the apparatus of this embodiment can remove various contaminants at the stage of the laver preparation liquid 800.

In the above embodiment, the front and rear foaming sections 42 and 43 generate two types of bubbles, large and small. However, the foaming amount of each of the front and rear foaming sections 42 and 43 is determined by the foaming control section. 41 can be varied. The top plate 17 of the storage room 74 is configured to be detachably attached.
The contaminants collected in 4 can be cleaned.

In the above-described embodiment, the structure is provided between the blender 80 and the concentration adjusting tank 81. However, the structure may be provided integrally with the concentration adjusting tank 81 or in the concentration adjusting tank 81. , The concentration adjusting tank 81 and the papermaking section 100
May be provided in the middle of the above.

[0028]

As described above, in the apparatus of the present invention,
Since a plurality of partition plates are disposed in the gutter body to form a gutter chamber, an eaves body is formed at the upper end of the partition plate, and a porous body is disposed in a space area below the gutter chamber. Impurities mixed in the mixed solution flowing through the gutter body are precipitated downward by the eaves, and the precipitated impurities can be captured in the porous body,
This has the effect of reliably separating and collecting impurities.
Further, in the apparatus of the present invention, a hollow casing extending in the lateral direction of the partition plate is formed, and the electromagnet or the permanent magnet is housed in this hollow casing so as to be freely inserted. This has the effect that foreign substances of a magnetic substance such as iron or iron scrap can be reliably adsorbed and collected. Further, in the device of the present invention, since the auxiliary magnetic body is arranged on the outer periphery of the hollow casing, the magnetic field can be widely distributed to the mixed solution in the gutter body, and the mixed solution is strongly This has the effect of adsorbing magnetic substances such as rust and iron chips mixed in the steel. . Further, in the device of the present invention, since porous bodies having different hole sizes are arranged on each lower surface of the plurality of gutter chambers in the gutter body formed by the plurality of partition plates,
This has the effect that contaminants having different sizes can be reliably captured and collected. . In the device of the present invention,
Since bubbles having different sizes are generated from below the plurality of gutter chambers formed by the plurality of partition plates, there is an effect that impurities having different sizes can be surely captured and collected. Further, in the device of the present invention, a cord-shaped member hanging down to the liquid level is provided near the partition plate on the subsequent stage, and the collection unit sucks and collects foreign substances attached to the cord-shaped member. In combination with the floating action of the contaminants due to the generated bubbles, there is an effect that the contaminants that have floated can be reliably recovered.

[Brief description of the drawings]

FIG. 1 is an overall configuration perspective view of a foreign matter removing apparatus according to one embodiment of the present invention.

FIG. 2 is a schematic explanatory diagram of production from preparation of laver to paper making and drying, including the apparatus of the embodiment shown in FIG.

FIG. 3 is a detailed configuration diagram of an iron suction unit in the embodiment apparatus shown in FIG. 1;

FIG. 4 is an overall block configuration diagram of a conventional device.

FIG. 5 is a detailed configuration diagram of an iron dressing suction tool in a conventional device.

[Explanation of symbols]

 2 Concentration control unit 3 Iron absorption unit 4 Foaming unit 5 Collection unit 8 Concentration adjustment unit 10 Gutter 11, 12, 13, 14 Partition plates 11a, 12a, 14a Eaves 15, 16 (first, second) mesh Body 17 Top plate 21 Concentration detection unit 41, 42 (Pre-stage, post-stage) Foaming unit 71, 72, 73, 75 Gutter chamber 83 Water supply pump 84 Drain pump 100 Paper-making unit 111 Set value generator 200 Drying unit 800 Nori preparation liquid

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-57-159474 (JP, A) JP-A-58-29293 (JP, U) JP-A 3-122695 (JP, U) JP-A-6-129 9495 (JP, U) Japanese Utility Model Application Hei 6-17498 (JP, U) (58) Field surveyed (Int. Cl. ⁶ , DB name) A23L 1/337 103

Claims (6)

(57) [Claims] 1. A gutter body through which a mixture of laver raw material and water flows, and a plurality of plate bodies arranged in the trough body in a direction intersecting with a flow direction of the mixture liquid, wherein the plate body A plurality of partition plates, the upper end of which is lower than the liquid level of the mixed liquid, and which is disposed with a gap provided at a lower end side of at least one or more of the plurality of plate members; An eaves plate formed at the upper end side of at least one of the plates and protruding to the upper side through which the mixture flows, and a porous body disposed on the lower surface of a gutter chamber formed by the plurality of partition plates And a foaming portion disposed below the inside of the gutter and foaming bubbles. 2. The foreign matter removing apparatus according to claim 1, wherein a hollow casing extending in a lateral direction of a gutter body is formed at an upper end of one of the plurality of partition plates, and the hollow casing is formed in the hollow casing. A foreign matter removing device, wherein an electromagnet or a permanent magnet is detachably inserted and housed. 3. The foreign matter removing apparatus according to claim 2, wherein an auxiliary magnetic body is provided on an outer periphery of the hollow housing. 4. The foreign matter removing apparatus according to claim 1, wherein a plurality of gutter chambers are formed in the gutter body by the plurality of partition plates, and a flow of the mixed liquid flows through each lower surface of the plurality of gutter chambers. A foreign matter removing device, wherein a porous body having a large hole is provided on the upstream side in the direction and a porous body having a small hole is provided on the downstream side. 5. The foreign matter removing device according to claim 1, wherein a plurality of gutter chambers are formed in the gutter body by the plurality of partition plates, and a bubbling portion for bubbling large bubbles and a small bubble are formed. A foreign matter removing device, comprising a foaming part for foaming. 6. The apparatus for removing foreign matter according to claim 1, wherein, among the plurality of partition plates, a cord-shaped member hanging down from above the vicinity of a rear partition plate to a liquid surface of the mixed liquid. A foreign matter removing device, comprising: a bubble stopping plate; and a collecting unit that suctions and collects foreign substances adhering to the screen or bubbles stored in the bubble stopping plate.