JPH0654193B2 - Hot air generator - Google Patents
Hot air generatorInfo
- Publication number
- JPH0654193B2 JPH0654193B2 JP13816288A JP13816288A JPH0654193B2 JP H0654193 B2 JPH0654193 B2 JP H0654193B2 JP 13816288 A JP13816288 A JP 13816288A JP 13816288 A JP13816288 A JP 13816288A JP H0654193 B2 JPH0654193 B2 JP H0654193B2
- Authority
- JP
- Japan
- Prior art keywords
- exhaust gas
- hot air
- dryer
- temperature
- burner
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000007789 gas Substances 0.000 claims description 40
- 238000002485 combustion reaction Methods 0.000 claims description 13
- 239000000567 combustion gas Substances 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- 238000011144 upstream manufacturing Methods 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 3
- 230000001877 deodorizing effect Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000004332 deodorization Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
Landscapes
- Drying Of Solid Materials (AREA)
Description
【発明の詳細な説明】 （産業上の利用分野） 本発明は、乾燥機と組合せて使用する熱風発生装置に関
するものである。TECHNICAL FIELD The present invention relates to a hot air generator used in combination with a dryer.
（従来の技術と発明が解決しようとする課題） 近年、食品産業等における廃棄物の取扱いを容易にする
ため、乾燥処理を施すことが多い。(Problems to be Solved by Conventional Techniques and Inventions) In recent years, in order to facilitate the handling of waste in the food industry and the like, a drying process is often performed.
ところで、これらの廃棄物は乾燥装置で乾燥されるので
あるが、そのとき、乾燥機から悪臭が生じる。By the way, these wastes are dried by a dryer, and at that time, a bad odor is generated from the dryer.
そこで、従来においては、第２図に示すように、熱風発
生炉で約５００℃の熱風を乾燥機に送って材料を乾燥さ
せ、発生する悪臭を有する排ガスを脱臭炉で約８００℃
に加熱して脱臭焼却したのち大気に放出する方式が採ら
れている。この方式では、独立した脱臭炉が必要で高価
であるばかりか、乾燥機を出た高温の全排ガスを再加熱
して、大気に放出するため、熱効率が極めて悪い。Therefore, conventionally, as shown in FIG. 2, hot air of about 500 ° C. is sent to a dryer in a hot air generating furnace to dry the material, and exhaust gas having a foul odor generated is heated to about 800 ° C. in a deodorizing furnace.
A method is adopted in which it is heated to the air, deodorized, incinerated, and then released into the atmosphere. In this method, an independent deodorizing furnace is required and expensive, and all the high-temperature exhaust gas discharged from the dryer is reheated and released into the atmosphere, so that the thermal efficiency is extremely poor.
また、第３図に示すように、脱臭炉からの排ガスの一部
を大気に放出する一方、残部を熱風発生炉に戻して排ガ
スの一部を再利用する方式がある。Further, as shown in FIG. 3, there is a system in which a part of the exhaust gas from the deodorizing furnace is discharged to the atmosphere, while the remaining part is returned to the hot air generating furnace to reuse a part of the exhaust gas.
この方式では、熱効率はやや改善されるが、脱臭炉が必
要で高価であり、設置スペースも確保しなければならな
い。With this method, although the thermal efficiency is slightly improved, a deodorizing furnace is required and it is expensive, and an installation space must be secured.
本発明者は、前記従来方式の独立した脱臭炉を廃止して
熱風発生装置で兼用し、かつ、乾燥機からの排ガスの熱
量を有効利用して、簡単な構成で、前記従来の問題点を
解決することのできる熱風発生装置を提供することを目
的とする。The present inventor has abolished the independent deodorizing furnace of the conventional system and also serves as the hot air generator, and effectively utilizes the heat quantity of the exhaust gas from the drier, with a simple configuration to solve the conventional problems. It is an object of the present invention to provide a hot air generator that can be solved.
（課題を解決すべき手段） 本発明は、前記目的を達成するために、バーナからの燃
焼ガスを供給することにより機内の材料を乾燥する乾燥
機と組合せて用いる熱風発生装置において、一方にバー
ナを他方に乾燥機へ熱風を供給する熱風出口を有する燃
焼室に、外部へ排ガスの一部を放出する排ガス出口を設
けるとともに、乾燥機から排出される排ガスを受入れる
第１，第２分岐管を、第１分岐管が前記排ガス出口より
バーナ寄側に、また、第２分岐管が熱風出口の上流側に
開口するよう各々設け、かつ、前記第１，第２分岐管の
排ガス通過量を調節する調節弁を設ける一方、前記排ガ
ス出口からの排ガス温度を所定温度になるように前記調
節弁を開閉する調節弁制御手段と、前記熱風出口側の燃
焼ガス温度を所定温度に調節するバーナ制御手段とを設
けたものである。(Means for Solving the Problem) In order to achieve the above-mentioned object, the present invention provides a hot air generator for use in combination with a dryer that dries the material inside the machine by supplying combustion gas from the burner to one of the burners. On the other hand, a combustion chamber having a hot air outlet for supplying hot air to the dryer is provided with an exhaust gas outlet for discharging a part of the exhaust gas to the outside, and first and second branch pipes for receiving the exhaust gas discharged from the dryer. , The first branch pipe is provided so as to be open to the burner side from the exhaust gas outlet, and the second branch pipe is opened to the upstream side of the hot air outlet, and the exhaust gas passage amount of the first and second branch pipes is adjusted. Control valve for controlling the temperature of the exhaust gas from the exhaust gas outlet to a predetermined temperature, and a burner controller for adjusting the temperature of the combustion gas on the hot air outlet side to a predetermined temperature. It is provided with steps.
（実施例） つぎに、本発明の一実施例を図面に従って説明する。(Embodiment) Next, an embodiment of the present invention will be described with reference to the drawings.
第１図は、乾燥機２と組合せて用いる本発明の熱風発生
装置の概略を示し、大略、バーナ１、燃焼室３、排ガス
出口４、第１分岐管５、第２分岐管６、該各分岐管５，
６に設けた調節弁１２ａ，１２ｂと、バーナ制御手段１
０および調節弁制御手段１１、熱風出口１３とからな
る。FIG. 1 shows an outline of a hot air generator of the present invention used in combination with a dryer 2, and generally includes a burner 1, a combustion chamber 3, an exhaust gas outlet 4, a first branch pipe 5, a second branch pipe 6, and each of them. Branch pipe 5,
Control valves 12a and 12b provided on the No. 6 and burner control means 1
0, control valve control means 11, and hot air outlet 13.
そして、前記燃焼室３は、その一端にバーナ１を、他端
に乾燥機２と連通する熱風出口１３を、また中央部に排
ガス出口４を有する。The combustion chamber 3 has a burner 1 at one end, a hot air outlet 13 communicating with the dryer 2 at the other end, and an exhaust gas outlet 4 at the center.
さらに、前記乾燥機２の他端は、循環ファン９を有する
循環路８で前記燃焼室３に、第１分岐管５、第２分岐管
６を介して連通している。Further, the other end of the dryer 2 communicates with the combustion chamber 3 through a first branch pipe 5 and a second branch pipe 6 in a circulation path 8 having a circulation fan 9.
前記第１，第２分岐管５，６は、仕切部材７により分岐
したもので、第１分岐管５は前記排ガス出口４の上流側
に、第２分岐管６は熱風出口１３の上流側にそれぞれ分
岐している。また、これらの第１，第２分岐管５，６に
は、下記するコントロールモータＭ２により互いに逆方
向に作動する調節弁１２ａ，１２ｂが設けてある。The first and second branch pipes 5 and 6 are branched by a partition member 7, and the first branch pipe 5 is upstream of the exhaust gas outlet 4 and the second branch pipe 6 is upstream of the hot air outlet 13. Each branch. The first of these, the second branch pipe 5,6, regulating valve actuated in opposite directions by the control motor M 2 to below 12a, 12b are provided.
前記バーナ制御手段１０は、前記熱風出口１３側に設け
た温度検出器Ｔａ１により検出された温度が所定温度と
なるように、コントロールモータＭ１を作動して前記バ
ーナ１の燃焼量を制御するものである。The burner control means 10 operates the control motor M 1 to control the combustion amount of the burner 1 so that the temperature detected by the temperature detector Ta 1 provided on the hot air outlet 13 side becomes a predetermined temperature. It is a thing.
一方、前記調節弁制御手段１１は、排ガス出口４に設け
た温度検出器Ｔａ２により検出された温度が所定温度と
なるように、前記コントロールモータＭ２を作動し、前
記排ガス出口４の温度を一定温度となるように調節弁１
２ａ，１２ｂを制御するものである。On the other hand, the control valve control means 11 operates the control motor M 2 so that the temperature detected by the temperature detector Ta 2 provided at the exhaust gas outlet 4 becomes a predetermined temperature, and controls the temperature of the exhaust gas outlet 4. Control valve 1 to maintain a constant temperature
It controls 2a and 12b.
つぎに、前記構成からなる熱風発生装置の作動を説明す
る。Next, the operation of the hot air generator having the above structure will be described.
まず、温度検出器Ｔａ１の設定温度を、乾燥機２で必要
とされる温度、たとえば、５００℃に設定し、一方、温
度検出器Ｔａ２の設定温度を、乾燥機２からの排ガスが
脱臭焼却される温度、たとえば、８００℃にそれぞれ設
定する。First, the set temperature of the temperature detector Ta 1 is set to a temperature required by the dryer 2, for example, 500 ° C., while the set temperature of the temperature detector Ta 2 is set to deodorize exhaust gas from the dryer 2. The incineration temperature is set to 800 ° C., for example.
そして、前記乾燥機２内に、乾燥すべき材料を投入し、
バーナ１を作動すると、燃焼室３からその排ガスは乾燥
機２に供給され、材料を乾燥する。そして、乾燥機２か
ら温度が低下して排出される排ガスは、循環路８から、
第１，第２分岐管５，６を経て燃焼室３に戻入する。Then, the material to be dried is put into the dryer 2,
When the burner 1 is operated, the exhaust gas from the combustion chamber 3 is supplied to the dryer 2 to dry the material. Then, the exhaust gas whose temperature drops from the dryer 2 and is discharged from the circulation path 8
It returns to the combustion chamber 3 through the first and second branch pipes 5 and 6.
この場合、排ガス出口４からは、燃焼室３での燃焼ガス
と前記第１分岐室５からの排ガスの一部とが放出される
が、その混合排ガス温度が８００℃より低い場合には、
前記コントロールモータＭ２により調節弁１２ａが閉方
向に、一方、調節弁１２ｂが開方向に作動し、バーナ１
から生じた高温の燃焼ガスが主として排出される。な
お、逆に、温度が高いと、調節弁１２ａが開き、前記排
ガス出口４より上流側に開口する第１分岐管５からの低
温排ガスが大量に混合され、８００℃となって放出され
る。いずれにしても、排ガス出口４からは脱臭焼却され
た無臭となった排ガスが排出されることになる。In this case, the combustion gas in the combustion chamber 3 and a part of the exhaust gas from the first branch chamber 5 are released from the exhaust gas outlet 4, but when the mixed exhaust gas temperature is lower than 800 ° C,
The control motor M 2 causes the control valve 12a to operate in the closing direction, while the control valve 12b operates in the opening direction.
The hot combustion gas generated from the exhaust gas is mainly discharged. On the contrary, when the temperature is high, the control valve 12a opens, and a large amount of low-temperature exhaust gas from the first branch pipe 5 opening upstream from the exhaust gas outlet 4 is mixed and discharged at 800 ° C. In any case, the deodorized incinerated exhaust gas is discharged from the exhaust gas outlet 4.
一方、乾燥機２には、低温となった前記第２分岐管６か
らの排ガスが、前記バーナ１からの高温燃焼ガスに大量
混入されて供給されるが、温度が５００℃に達しない場
合には、温度検出器Ｔａ１によってコントロールモータ
Ｍ１が作動し、温度検出器Ｔａ１が５００℃に達するよ
うにバーナ１の燃焼量が多くなるものである。On the other hand, the exhaust gas from the second branch pipe 6, which has become low in temperature, is mixed in a large amount with the high temperature combustion gas from the burner 1 and supplied to the dryer 2, but when the temperature does not reach 500 ° C. operates the control motor M 1 by the temperature detector Ta 1, in which the temperature detector Ta 1 is many combustion amount of burners 1 so as to reach the 500 ° C..
なお、前記実施例では、第１，第２分岐管５，６に、コ
ントロールモータＭ２により互いに逆方向に作動する２
個の調節弁１２ａ，１２ｂを設けたが、第１，第２分岐
管５，６の分岐点に１つの調節弁を設けてもよい。In the above embodiment, the control motor M 2 operates the first and second branch pipes 5 and 6 in opposite directions.
Although the individual control valves 12a and 12b are provided, one control valve may be provided at the branch points of the first and second branch pipes 5 and 6.
また、前記排ガス出口４からの排ガスを材料の予熱等に
も使用することができる。Further, the exhaust gas from the exhaust gas outlet 4 can be used for preheating the material and the like.
本発明は食品産業の廃棄物処理以外にも、有機剤を用い
る塗装乾燥処理等にも使用できる。The present invention can be used not only for waste treatment in the food industry but also for coating and drying treatment using an organic agent.
（発明の効果） 以上の説明で明らかなように、本発明にかかる熱風発生
装置によれば、従来の独立した脱臭炉を省略してバーナ
の燃焼室で兼用したため構造が簡単であり、設置スペー
スの節約ができるとともに、乾燥機からの排ガスの殆ど
を再使用するため、省エネルギーが図られ燃焼効率を高
めることができる。(Effects of the Invention) As is clear from the above description, according to the hot air generator of the present invention, the conventional independent deodorization furnace is omitted and the combustion chamber of the burner is also used, so that the structure is simple and the installation space is small. In addition to saving energy, most of the exhaust gas from the dryer is reused, so energy can be saved and combustion efficiency can be improved.
第１図は本発明にかかる熱風発生装置の概略図で、第２
図〜第３図は従来例の説明図である。 １……バーナ、３……燃焼室、４……排ガス出口、５…
…第１分岐管、６……第２分岐管、１０……バーナ制御
手段、１１……調節弁制御手段、１２ａ，１２ｂ……調
節弁、１３……熱風出口、Ｔａ１，Ｔａ２……温度検出
器。FIG. 1 is a schematic view of a hot air generator according to the present invention.
3 to 3 are explanatory views of a conventional example. 1 ... Burner, 3 ... Combustion chamber, 4 ... Exhaust gas outlet, 5 ...
... first branch pipe, 6 ...... second branch pipe, 10 ...... burner control unit, 11 ...... regulating valve control means 12a, 12b ...... regulating valve, 13 ...... hot air outlet, Ta 1, Ta 2 ...... Temperature detector.
Claims (1)
り機内の材料を乾燥する乾燥機と組合せて用いる熱風発
生装置において、一方にバーナを他方に乾燥機へ熱風を
供給する熱風出口を有する燃焼室に、外部へ排ガスの一
部を放出する排ガス出口を設けるとともに、乾燥機から
排出される排ガスを受入れる第１，第２分岐管を、第１
分岐管が前記排ガス出口よりバーナ寄側に、また、第２
分岐管が熱風出口の上流側に開口するよう各々設け、か
つ、前記第１，第２分岐管の排ガス通過量を調節する調
節弁を設ける一方、前記排ガス出口からの排ガス温度を
所定温度になるように前記調節弁を開閉する調節弁制御
手段と、前記熱風出口側の燃焼ガス温度を所定温度に調
節するバーナ制御手段とを設けたことを特徴とする熱風
発生装置。1. A hot air generator for use in combination with a dryer for drying materials inside a machine by supplying combustion gas from a burner, wherein combustion is provided with a burner on one side and a hot air outlet for supplying hot air to the dryer on the other side. The chamber is provided with an exhaust gas outlet that discharges a part of the exhaust gas to the outside, and first and second branch pipes that receive the exhaust gas discharged from the dryer
The branch pipe is closer to the burner than the exhaust gas outlet, and the second
The branch pipes are provided so as to open on the upstream side of the hot air outlet, and a control valve for adjusting the exhaust gas passage amount of the first and second branch pipes is provided, while the exhaust gas temperature from the exhaust gas outlet becomes a predetermined temperature. A hot air generating device comprising: a control valve control means for opening and closing the control valve, and a burner control means for adjusting the temperature of the combustion gas on the hot air outlet side to a predetermined temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13816288A JPH0654193B2 (en) | 1988-06-03 | 1988-06-03 | Hot air generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13816288A JPH0654193B2 (en) | 1988-06-03 | 1988-06-03 | Hot air generator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01306794A JPH01306794A (en) | 1989-12-11 |
| JPH0654193B2 true JPH0654193B2 (en) | 1994-07-20 |
Family
ID=15215473
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13816288A Expired - Lifetime JPH0654193B2 (en) | 1988-06-03 | 1988-06-03 | Hot air generator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0654193B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020096757A (en) * | 2001-06-21 | 2002-12-31 | 배철호 | Rotary dryer recirculation with exhaust gas |
| CN103278003A (en) * | 2013-06-24 | 2013-09-04 | 郑龙和 | Efficient energy-saving environment-friendly intelligent drying kiln |
-
1988
- 1988-06-03 JP JP13816288A patent/JPH0654193B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH01306794A (en) | 1989-12-11 |
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