JP4411257B2 - Wood vinegar production equipment - Google Patents

Description

  The present invention relates to a pyroligneous acid production apparatus for producing pyroligneous acid obtained by heating and decomposing wood.

Wood vinegar is a liquid obtained by thermally decomposing wood, and is composed of various components such as acetic acid, alcohols, and phenols such as cresol in water.
Wood vinegar is used for various purposes such as repelling pests, promoting plant growth, improving soil, deodorizing, and skin care.

As a conventionally known apparatus for producing a wood vinegar solution, there is one having a structure as shown in FIG. 6 (see, for example, Patent Document 1, Patent Document 2, Patent Document 3 or Patent Document 4).
Such a conventional manufacturing apparatus 10 includes a container 11 for storing wood as a raw material, a heating means 12 for heating the wood in the container, a cooling unit 14 for cooling gas generated from the heated wood, and a cooling unit. A recovery unit 15 is provided for recovering the resulting pyroligneous acid solution. The container 11 is hermetically sealed to shut off the oxygen supply, and the raw material is steamed (so-called dry distillation) to obtain a wood vinegar solution.

In each of these patent documents, as the heating means 12, in addition to burning wood as firewood to heat the container, an example using saturated steam, an electric heater or the like is also disclosed.
Furthermore, it is also disclosed that the tar content and malodorous component are contained in the pyroligneous liquid as much as possible by heating at a low temperature of about 150 ° C. to 250 ° C.

JP 2004-115632 A JP 2002-53867 A JP-A-10-158660 JP 2000-44965 A

  According to the conventional apparatus for producing a wood vinegar solution, the cooling in the cooling section is not efficient, and there are many gases that are sprayed into the air. It was.

  Then, this invention is made | formed to solve the said subject, The place made into the objective is providing the wood vinegar liquid manufacturing apparatus which can increase the collection amount of the wood vinegar liquid obtained by cooling gas efficiently. is there.

According to the apparatus for producing a pyroligneous acid solution according to the present invention, wood that is a raw material for pyroligneous acid is contained, a heating container that is heated from the outside, and the heating container is placed and a heat source that heats the heating container is accommodated. A firewood, a flue provided at the top of the heating container and exhausting gas generated from wood in the heating container, and cooling provided in the flue to cool the gas flowing through the flue to obtain a wood vinegar solution The cooling unit is provided in a portion where the flue extends obliquely upward, and cooling water is provided around the flue to cool the inside of the flue. A cooling water circulation mechanism formed so as to pass therethrough and a plurality of partition plates that divide the inside of the flue of the portion where the cooling water circulation mechanism is provided, and the partition plate has a gas passage through which gas passes. The vinegar liquid obtained by cooling the holes and gas is moved downward in the flue. Sutame flue wood vinegar passage hole formed in contact with the inner wall of the is formed in said heating container, with the lid is provided on top, a predetermined distance between the inner wall surface of the side surface and a bottom surface said Hettsui The inner container has a double structure of an outer container that is disposed in the basket with a gap between the inner container and that is directly exposed to a heat source, and an inner container that is detachably stored in the outer container and that stores the raw material. When the container is stored in the outer container, its upper end protrudes above the upper end of the outer container to a length that is the same as or slightly shorter than the length of the vertical portion of the wall surface of the lid, and the upper end of the inner container Is in contact with the inner wall surface of the lid .
By adopting this configuration, the partition plate blocks the gas flow so that the gas does not flow smoothly, so that the gas stays between the partition plates. As a result, the time during which the gas is cooled by the cooling water is lengthened, and the gas is efficiently liquefied, so that the amount of pyroligneous acid liquid obtained is increased. In addition, the vinegar liquor cooled and liquefied by the cooling water flows down along the inner wall of the flue, but at this time the vinegar liquor passes through the vinegar liquor passage hole, so there are multiple partition plates Even if it does, there is no problem in the recovery of the wood vinegar.
Further, since the upper end portion of the inner container is in contact with the inner wall surface of the lid body, the lid body can be securely fixed by preventing the pair of lids from being displaced.

Further, the heating container is provided with a flange portion that protrudes laterally from the side surface and is placed on and supported by the upper surface of the flange, and the flange portion is provided between the side surface and the inner wall surface of the flange. A discharge hole for discharging smoke and heat from the gap may be provided.
According to this configuration, the smoke in the basket can be discharged efficiently.

  The flue may have a quadrangular cross section. By making the cross section quadrangular, the contact area of the gas flue with the inner wall surface can be increased and the production amount of the pyroligneous acid liquid can be increased as compared with the case of the circular cross section.

  According to the wood vinegar solution manufacturing apparatus of the present invention, gas can be liquefied efficiently, so that the production amount of wood vinegar can be increased.

(Example)
DESCRIPTION OF EXEMPLARY EMBODIMENTS Hereinafter, preferred embodiments of the invention will be described with reference to the accompanying drawings.
1 is a side view of an apparatus for producing a wood vinegar, FIG. 2 is a plan view of the apparatus for producing a wood vinegar, FIG. 3 is a sectional view of a heating container, FIG. 4 is a sectional view in the longitudinal direction of a cooling section, and FIG. It is sectional drawing of the radial direction.
The production apparatus 30 includes a heating container 31 that contains wood as a raw material, a flue 32 that exhausts gas from the heating container 31, a cooling unit 34 provided in the middle of the flue 32, and the heating container 31. And a gutter 35 to be placed.

The heating container 31 is made of metal, and the appearance is formed in a rectangular column shape such as a rectangular parallelepiped or a cube. A lid 31 a is provided on the top of the heating container 31. The lid 31a is formed in a substantially quadrangular pyramid shape, and a flue 32 is attached to the center portion.
At the lower part of the lid 31a and the upper part of the heating container 31, mounting flange portions 45 and 47 formed so as to protrude outward in order to attach the lid 31a to the heating container 31 are provided. The mounting flange portion 45 of the lid body 31a is placed on the top surface of the mounting flange portion 47 at the top of the heating vessel 31, and each mounting flange portion is provided so that there is no gap between the lid body 31a and the heating vessel 31. The lid 31a is fixed to the heating container 31 by fastening means (not shown) that clamps 45 and 47.

  Further, a flange portion 36 is provided on the side surface of the heating container 31 so as to protrude outward and to be able to place the heating container 31 on the flange 35. In order to prevent the flange portion 36 from being bent and securely fixed, a fixing plate 37 for fixing the space between the outer peripheral surface of the heating container 31 and the upper surface of the flange portion 36 is provided. In this embodiment, one plate 37 is provided at each vertex of the quadrangle and two plates are provided at each side of the quadrangle.

  Note that the flange portion 36 is provided with a chimney portion 38 (a discharge hole in the claims) for discharging smoke and heat in the flange 35 as will be described later. In the present embodiment, since the chimney portions 38 are provided at positions corresponding to the sides of the quadrangle, the four chimney portions 38 are provided in the heating container 31.

The eaves 35 are made of a heat-resistant material such as brick, and an accommodating portion 39 for accommodating heating means (not shown) for heating the heating container 31 is formed therein. Various heating means such as a gas stove, an electric heater, and a firewood can be employed.
The accommodating portion 39 is formed in a square shape in plan view according to the shape of the heating container 31, and is formed so as to leave a gap A between the bottom surface of the heating container 31 and the heating means can be arranged. . Further, a gap B is also formed between the side surface of the heating container 31 and the inner wall surface of the accommodating portion 39. The heating means fires around the gap B, and heating from the side surface of the heating container 31 becomes possible.

As shown in FIG. 3, the heating container 31 has a double structure of an outer container 51 that is directly exposed to a heat source by a heating means and an inner container 55 that stores a raw material.
The outer container 51 is provided with the mounting flange portion 47 and the flange portion 36 as described above.
The inner container 55 is detachably accommodated in the outer container 51. Therefore, the raw material is taken into and out of the heating container 31 by taking the inner container 55 containing the raw material into and out of the outer container 51. Due to such a structure, it is possible to easily dispose of the carbonized raw material.

Above the inner container 55 is provided lifting means (not shown) for removing the inner container 55 from the outer container 51, lifting it, and moving it to another location. A device such as a crane or a crane can be employed.
On the inner wall surface of the inner container 55, a connecting member 58 for connecting a tip portion such as a wire or a chain extending from the lifting means is provided. Examples of the connecting member 58 include a ring-shaped or bowl-shaped metal member. The connecting member 58 is attached to a reinforcing member 59 provided on the inner wall surface of the inner container 55.

Further, the inner container 55 is formed in such a size that its upper end portion 55 a protrudes above the upper end portion 51 a of the outer container 51 when housed in the outer container 51. The protruding length x of the upper end portion 55a of the inner container 55 is set to a length such that the wall surface of the lid 31a is the same as or slightly shorter than the length y of the vertical portion.
On the other hand, since the inner wall surface of the lid 31 a is formed to be flush with the inner wall surface of the outer container 51, the upper end portion 55 a of the inner container 55 is made to protrude from the upper end portion 51 a of the outer container 51. Thus, the upper end portion 55a of the inner container 55 is brought into contact with the inner wall surface of the lid body 31a, so that the lid body 31a can be prevented from being displaced and the lid body 31a can be securely fixed.

Next, the configuration of the flue and the cooling unit will be described based on FIG. 4 and FIG.
The flue 32 is provided so as to extend in the vertical direction from the center of the lid 31a provided on the upper surface of the heating container 31, and then to extend obliquely upward at an angle of about 40 degrees with respect to the horizontal plane. .
The flue 32 has a quadrangular cross section similar to the heating container 31. In the present embodiment, the cross section of the flue 32 is a square.

A cooling unit 34 is provided in a part of the flue 32 extending obliquely upward.
The cooling unit 34 is provided with a cooling water distribution mechanism 40 that distributes the cooling water around the flue 32. As the cooling water circulation mechanism 40 of the present embodiment, a cover 41 that simply covers the outer peripheral surface 32a of the flue 32 is attached, and an introduction port 43 and a discharge port 44 for introducing water into the cover 41 are formed. However, the cooling water circulation mechanism 40 may have a configuration in which the cooling water circulates spirally from the inlet 43 to the outlet 44.
The cooling water is not limited to water, and may be other substances as long as the inside of the flue 32 can be cooled.

  In the cooling unit 34, in order to efficiently cool the gas generated in the heating container 31 with the cooling water, a partition plate 46 for retaining the gas in the flue 32 is provided so that the gas does not flow smoothly in the flue 32. ing. A plurality of the partition plates 46 are arranged at a predetermined interval so as to partition the inside of the flue 32 in the longitudinal direction inside the flue 32 where the cooling water circulation mechanism 40 is provided.

The partition plate 46 is formed with a gas passage hole 48 so that gas can pass to some extent, and a wood vinegar solution passage hole 50 is provided at least below the partition plate 46 for allowing the wood vinegar liquid generated by liquefying the gas to flow downward. Is formed.
In the present embodiment, eight circular holes formed in the partition plate 46 are provided as gas passage holes 48, and are formed between the inner wall surface of the flue 32 by cutting off the four corners of the partition plate 46. A triangular hole is provided as the pyroligneous acid passage hole 50.

The wood vinegar produced in the cooling section 34 flows down along the inner wall surface of the flue 32 (arrow C in FIG. 3). Therefore, a recovery unit 52 that recovers the pyroligneous acid flowing from the cooling unit 34 is provided below the cooling unit 34.
The collecting unit 52 collects the collecting hole 54 communicating from the inside of the flue 32 to the outside of the flue 32 on the lower surface of the flue 32 and the wood vinegar solution on the inner wall surface of the flue 32 in the collecting hole 54, and more than the collecting hole 54. A recovery plate 56 is provided below the inner wall surface of the flue 32 so as to prevent the pyroligneous acid from flowing. Further, a cylindrical body extending downward is attached to the recovery hole 54 to facilitate introduction into a recovery container (not shown).

Hereinafter, the manufacturing method of the wood vinegar liquid using the manufacturing apparatus of the wood vinegar liquid mentioned above is demonstrated.
First, the lid 31 a of the heating container 31 is opened, and the wood that is the raw material is placed inside the inner container 55 of the heating container 31. After putting a predetermined amount of wood, the lid 31a is closed.
Next, the heating container 31 is heated by a heating means. In this embodiment, specifically, a gas stove is installed in the housing portion 39 of the tub 35 and heated by the gas stove.

  The heating temperature is preferably low, and it is possible to prevent unnecessary components from being extracted from the wood into the wood vinegar such as tar and extract only the effective components.

When the production of the wood vinegar is complete, the lid 31a is opened and the inner container 55 is pulled up using the lifting means. Since the carbonized material remains in the inner container 55, it is taken out from the inner container 55 and new raw materials are accommodated in the inner container 55.
A plurality of inner containers 55 are prepared, raw materials are put in advance, and immediately after taking out the inner container 55 from which the pyroligneous acid liquid has been generated from the heating container 31, a new inner container 55 containing the raw materials is heated. By making it accommodate in 31, the production | generation of a wood vinegar can be performed efficiently.

  While the present invention has been described in detail with reference to a preferred embodiment, the present invention is not limited to this embodiment, and it goes without saying that many modifications can be made without departing from the spirit of the invention. .

It is a side view of the manufacturing apparatus of a wood vinegar liquid. It is a top view of the manufacturing apparatus of a wood vinegar liquid. It is sectional drawing of a heating container. It is sectional drawing at the time of cut | disconnecting a cooling part in a longitudinal direction. It is sectional drawing at the time of cut | disconnecting a cooling part to radial direction. It is explanatory drawing explaining the structure of the manufacturing apparatus of the conventional wood vinegar liquid.

Explanation of symbols

DESCRIPTION OF SYMBOLS 30 Manufacturing apparatus 31 Heating container 31a Lid 32 Flue 32a Outer peripheral surface 34 Cooling part 35 竃 36 Flange part 37 Plate 38 Chimney part 39 Housing part 40 Cooling water distribution mechanism 41 Cover 43 Inlet 44 Outlet 45, 47 Mounting flange portion 46 Partition plate 48 Gas passage hole 50 Pyroligneous solution passage hole 51 Outer container 51a Upper end portion 52 of outer container Recovery portion 54 Recovery hole 55 Inner container 55a Upper end portion 56 of inner container Recovery plate 58 Connection member 59 Reinforcing member

Claims (3)

A wood container that contains wood vinegar, and a heated container that is heated from the outside;
The heating vessel is placed, and a heat source that heats the heating vessel is accommodated;
A flue that is provided at the top of the heating vessel and exhausts gas generated from the wood in the heating vessel;
In the wood vinegar liquid production apparatus comprising the cooling section provided in the flue and cooling the gas flowing through the flue to obtain the wood vinegar liquid,
The cooling part is
A cooling water circulation mechanism provided at a site where the flue extends obliquely upward, and formed so that cooling water passes around the flue to cool the inside of the flue;
A plurality of partition plates for partitioning the inside of the flue of the portion provided with the cooling water circulation mechanism,
The partition plate has a gas passage hole through which gas passes and a wood vinegar solution passage hole formed in contact with the inner wall of the flue so that the wood vinegar liquid obtained by cooling the gas flows downward in the flue. It is,
The heating container is provided with a lid at the top, and an outer container that is directly exposed to a heat source, with a side face and a bottom face provided with a predetermined gap between the inner wall surface and the outer wall, It is detachably stored in the container and has a double structure with the inner container in which the raw materials are stored.
When the inner container is housed in the outer container, the upper end of the inner container projects above the upper end of the outer container to a length that is the same as or slightly shorter than the length of the vertical portion of the wall surface of the lid. An apparatus for producing a pyroligneous acid solution , characterized in that the upper end of the is in contact with the inner wall surface of the lid . In the heating container,
Protruding sideways from the side surface, provided with a flange portion to be placed and supported on the upper surface of the bag,
2. The apparatus for producing a wood vinegar solution according to claim 1, wherein the flange portion is provided with a discharge hole for discharging smoke and heat from a gap between the side surface and the inner wall surface of the basket. The wood vinegar solution manufacturing apparatus according to claim 1 or 2, wherein the flue has a quadrangular cross section.

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