WO2005097365A1 - 加熱によって発生する特定ガスの除去装置とその方法 - Google Patents
加熱によって発生する特定ガスの除去装置とその方法 Download PDFInfo
- Publication number
- WO2005097365A1 WO2005097365A1 PCT/JP2005/005111 JP2005005111W WO2005097365A1 WO 2005097365 A1 WO2005097365 A1 WO 2005097365A1 JP 2005005111 W JP2005005111 W JP 2005005111W WO 2005097365 A1 WO2005097365 A1 WO 2005097365A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- heating
- heating device
- heated
- primary
- gas
- Prior art date
Links
- 238000010438 heat treatment Methods 0.000 title claims abstract description 247
- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000004891 communication Methods 0.000 claims description 48
- 238000012545 processing Methods 0.000 claims description 21
- 238000009826 distribution Methods 0.000 claims description 10
- 230000001105 regulatory effect Effects 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 97
- 239000002699 waste material Substances 0.000 description 52
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 24
- 239000002341 toxic gas Substances 0.000 description 17
- 229920002554 vinyl polymer Polymers 0.000 description 12
- 239000002918 waste heat Substances 0.000 description 8
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 7
- HGUFODBRKLSHSI-UHFFFAOYSA-N 2,3,7,8-tetrachloro-dibenzo-p-dioxin Chemical compound O1C2=CC(Cl)=C(Cl)C=C2OC2=C1C=C(Cl)C(Cl)=C2 HGUFODBRKLSHSI-UHFFFAOYSA-N 0.000 description 6
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 3
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 238000004904 shortening Methods 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000001784 detoxification Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/06—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
- B09B3/40—Destroying solid waste or transforming solid waste into something useful or harmless involving thermal treatment, e.g. evaporation
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/1951—Control of temperature characterised by the use of electric means with control of the working time of a temperature controlling device
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B2101/00—Type of solid waste
- B09B2101/02—Gases or liquids enclosed in discarded articles, e.g. aerosol cans or cooling systems of refrigerators
Definitions
- the present invention relates to an apparatus and a method for removing a specific gas generated by heating for removing a specific gas generated from an object by heating a waste or the like containing the object.
- Waste containing plastics often contains vinyl chloride.
- waste is treated by incineration if the waste contains synthetic resins containing chlorine, such as power S and vinyl chloride (hereinafter referred to as “vinyl chloride, etc.”).
- vinyl chloride, etc. synthetic resins containing chlorine, such as power S and vinyl chloride
- Dioxin is generated from vinyl chloride and diffuses into the atmosphere, and dioxin adheres to incinerated waste. For this reason, there was the disadvantage that incineration as garbage not only lost energy but also incinerated ash could not be used as concrete aggregate.
- vinyl chloride and the like generate hydrogen chloride gas and the like when heated at about 195 ° C.
- chloride is generated without generating dioxin. It is said that vinyl and other materials can be made harmless.
- Patent Document 1 JP-A-8-187483 (Pages 3-5, FIG. 1)
- the present invention has been made in view of the above points, and the heating time and the heating temperature are adjusted in accordance with the mixing ratio of the object to be heated with respect to the object to be heated, thereby shortening the time of the heat treatment and performing the heat treatment. It is an object of the present invention to provide an apparatus and a method for removing a specific gas generated by heating so as to reduce costs.
- the specific gas removing device includes a primary heating device for heating an object to be heated including an object to be processed, and a secondary heating device for heating the object to be heated heated by the primary heating device.
- a gas processing device for processing a specific gas generated from the object heated by the primary heating device and a specific gas generated from the object heated by the secondary heating device; and
- a primary gas discharge passage for guiding a specific gas generated from a heated workpiece to the gas processing apparatus, and a specific gas generated from the workpiece heated by the secondary heating apparatus to the gas processing apparatus.
- a gas measuring means provided in the middle of the primary gas discharge passage for measuring the content of a specific gas passing therethrough.
- the heating temperature and heating time of the heating device In which at least one has to adjust set according to the content of the specific gas.
- the removing device of the present invention forms a communication space for receiving an object to be heated discharged from the primary heating device between the primary heating device and the secondary heating device, and forms the communication space with the primary gas discharge passage.
- An opening / closing valve for opening and closing the communication position between the communication space and the discharge passage is provided.
- the heating temperature in the secondary heating device is higher than the heating temperature in the primary heating device.
- the removing device of the present invention is provided with a blower for applying a negative pressure to the primary gas discharge passage and the secondary gas discharge passage in the gas processing device.
- the object to be heated including the object to be processed is heated by a primary heating device, and the content of the specific gas generated from the object to be heated heated by the primary heating device is determined by the gas
- the specific gas content measured by the gas measuring means is equal to or less than a predetermined reference value
- the object to be heated heated by the primary heating device is determined to be the end of the heat treatment, and the gas measuring means is determined.
- the heating target and the heating time for heating the secondary heating device by introducing the object heated by the primary heating device into the secondary heating device At least one of the above is adjusted and set according to the content of the specific gas.
- the specific gas generated from the object heated by the primary heating device and the specific gas generated from the object heated by the secondary heating device are processed by a gas processing device. It was made.
- the heating temperature in the secondary heating device is set higher than the heating temperature in the primary heating device.
- the concentration of a specific gas generated from an object heated by the primary heating device is measured and determined by gas measuring means, and the case where the treatment by the primary heating device is sufficient and the case where the secondary heating device is sufficient. It is determined that the processing in the device is required.
- an appropriate heating time or heating temperature is selected according to the mixing ratio of the object contained in the object to be heated. 1) and set.
- the heating device is divided into a primary heating device and a secondary heating device.
- FIG. 1 is a schematic configuration diagram of an apparatus for removing a specific gas generated by heating according to the present invention.
- FIG. 2 is an enlarged view of a main part of FIG. 1.
- FIG. 3 is a diagram corresponding to FIG. 2 in a state where an opening / closing lid and a distribution valve are moved.
- FIG. 1 is a schematic configuration diagram of a specific gas removing device according to the present invention.
- the specified gas removal equipment removes the object to be treated (for example, one that generates harmful gas such as chlorine gas by heating such as vinyl chloride) contained in the object to be heated (for example, waste containing various plastics). Harmless harmful gas (specific gas) emitted from the workpiece heated by the primary heating device 10 and the secondary heating device 12 for heating, and the primary heating device 10 and the secondary heating device 12 And a gas processing device 14 for performing the treatment.
- the primary heating device 10 and the secondary heating device 12 are provided not only with the heating means (not shown) but also with the primary heating device 10 and the secondary heating device 12.
- An extruding mechanism (not shown) for discharging the waste heat-treated by the secondary heating device 12 to the outside is provided. Note that the extruding mechanism may not be provided in the primary heating device 10 and the secondary heating device 12, but may be provided separately therefrom.
- a primary hopper 16 for introducing waste into the interior of the primary heating device 10 is provided above the primary heating device 10.
- a communication tube 20 having a communication space 18 for receiving the waste heat-treated by the primary heating device 10.
- a secondary hopper 22 for introducing waste discharged from the primary heating device 10 to the communication space 18 into the secondary heating device 12 is provided.
- a container 24 for storing the waste heat-treated by the secondary heating device 12 is provided on the outlet side of the secondary heating device 12.
- a discharge passage 26 extending downward is connected in the middle of the communication pipe 20, and a container 28 for storing waste heat-treated by the primary heating device 10 is provided below the discharge passage 26. ing.
- An opening / closing lid 30 is provided at a communication position between the discharge passage 26 and the communication pipe 20 to open or close the communication position.
- a distribution valve 32 is provided inside the connecting pipe 20, on the secondary hopper 22 side from the connection position with the discharge passage 26. The distribution valve 32 is for switching between waste introduced into the communication space 18 from the primary heating device 10 into the discharge passage 26 and the secondary hopper 22.
- the communication space 18 in the communication pipe 20 is opened by the distribution valve 32, and the opening / closing lid 30 is closed to shut off the communication between the discharge passage 26 and the communication pipe 20. In this way, the heat-treated waste discharged from the primary heating device 10 into the communication space 18 is introduced into the secondary hopper 22.
- the communication space 18 in the communication pipe 20 is closed by the distribution valve 32 and the opening / closing lid 30 is opened to connect the communication pipe 20 to the discharge passage 26, the primary heating is performed.
- the heat-treated waste discharged from the device 10 into the communication space 18 is stored in the container 28 via the discharge passage 26.
- the upper part of the communication pipe 20 (communication space 18) closer to the primary heating device 10 than the distribution valve 32 is connected to the gas processing device 14 by a primary gas discharge passage 34.
- a gas measuring means 36 for detecting a toxic gas (specific gas) passing therethrough and measuring its concentration (ppm) is connected.
- the front side of the gas measuring means 36 (primary gas It is desirable to provide a filter (not shown) in the outlet passage 34).
- the upper part of the container 24 and the downstream side of the communication position between the gas measuring means 36 and the primary gas discharge passage 34 are connected by a secondary gas discharge passage 38.
- the container 24 is set so that the secondary heating device 12 and the secondary gas discharge passage 38 communicate with each other when the device of the present invention is operated, and the container 24 does not communicate with the outside.
- the secondary gas discharge passage 38 may directly connect the container 24 and the gas treatment device 14.
- a suction blower 40 is provided inside the gas processing device 14, and a negative pressure is applied to the primary gas discharge passage 34 and the secondary gas discharge passage 38 by the blower 40.
- the installation position of the blower 40 is not limited to the inside of the gas treatment device 14.
- the specific gas removing device of the present invention includes a computer 42 for controlling various devices.
- the concentration (ppm) of the toxic gas (specific gas) measured by the gas measuring means 36 is input to the computer 42, and according to the concentration (ppm) of the specific gas, the primary heating device 10 or the secondary heating device 12
- the gas processing unit 14, the blower 40, the open / close lid 30, and the distribution valve 32 are appropriately controlled by the computer 42.
- waste object to be heated
- salt vinyl or the like object to be processed
- the primary heating device 10 is put into the primary heating device 10 from the primary hopper 16, and the waste is placed in the primary heating device 10 at a predetermined temperature for a predetermined time (for example, heat treatment at 240 ° C-280 ° C for about 1 minute).
- a predetermined temperature for a predetermined time For example, heat treatment at 240 ° C-280 ° C for about 1 minute.
- the heating temperature and the heating time are different depending on the storage capacity of the waste of the primary heating device 10 and the type of the object to be subjected to the heat treatment. .
- toxic gas such as chlorine gas is generated from vinyl chloride or the like contained in the waste.
- the toxic gas generated by the Shiori-Dani vinyl and the like is discharged into the communication space 18 together with the waste heat-treated by the primary heating device 10.
- the toxic gas discharged into the communication space 18 is moved toward the gas treatment device 14 through the primary gas discharge passage 34 by suction negative pressure generated by the blower 40.
- Primary gas exhaust The toxic gas passing through the exit passage 34 is detected by the gas measuring means 36, and its concentration (ppm) is measured.
- the concentration (ppm) of the specific gas, which has been sampled by the gas measuring means 36, is input to the computer 42, and the computer 42 responds to the result of the concentration (ppm) of the specific gas by using each device or member.
- the concentration of toxic gas (ppm) is below the preset minimum standard value, the waste with low content of salt vinyl etc. contained in the waste shall be detoxified sufficiently by heat treatment in the primary heating device 10. judge. That is, it is determined that the waste heat-treated by the primary heating device 10 does not generate dioxin exceeding the reference value even when used as it is as an auxiliary fuel, and can be used as an aggregate such as cement.
- the computer 42 opens the opening / closing lid 30 to connect the communication pipe 20 and the discharge passage 26 (FIG. 3), and the computer 42 discharges from the primary heating device 10 into the communication space 18.
- the heat-treated waste is stored in a container 28 via a discharge passage 26.
- the primary heating device 10 can be used for the heat treatment, thereby shortening the processing time of the detoxification treatment of the waste, and The cost for the heat treatment can be reduced.
- the computer 42 determines that the content of vinyl chloride or the like in the waste is large. It is judged that the heat treatment of the primary heating device 10 alone did not completely perform the heat treatment of vinyl chloride or the like. As a result, the waste heat-treated by the primary heating device 10 is subsequently subjected to the heat treatment by the secondary heating device 12. That is, while closing the opening / closing lid 30 to maintain a state in which the communication between the discharge passage 26 and the communication pipe 20 is shut off, the communication space 18 is opened by the distribution valve 32, and the waste discharged into the communication space 18 from the primary heating device 10 is discharged. The material is introduced into the secondary heating device 12 via the secondary hopper 22.
- the heating time of the waste in the secondary heating device 12 is set to be longer as the numerical value of the concentration of the specific gas is larger.
- the numerical value of the concentration of a specific gas is divided into several parts between the minimum numerical value and the maximum numerical value that can be considered as a minimum reference value. Set the heating time of waste by the heating device 12 longer.
- the heating time by the secondary heating device 12 varies depending on the type of the object to be processed. Primary caro
- the heating temperature in the secondary heating device 12 is preferably, for example, 280 ° C. to 310 ° C.
- the secondary heating device 12 it is desirable to adjust the heating time while keeping the heating temperature constant, in accordance with the content of salt vinyl etc. in the waste.
- both the calo-heat temperature and the heating time may be adjusted, or only one of them may be adjusted.
- the heating temperature of the waste in the secondary heating device 12 be higher than the heating temperature in the primary heating device 10.
- the heating temperature of the secondary heating device 12 is set higher than the heating temperature of the primary heating device 10 because the primary heating device 10 does not generate a large amount of toxic gas, By sharing the generated amount, the primary heating device 10, the secondary heating device 12, and the primary gas discharge passage 34 are made smaller, and the production cost is reduced.
- the heating process time can be shortened by increasing the heating temperature.
- the heating temperature and heating time of the waste in the secondary heating device 12 are adjusted according to the content of the salt vinyl or the like in the waste.
- the object contained in the waste becomes harmless, and toxic gas is generated from the object.
- the heat treatment in the secondary heating device 12 is completed, the waste and the toxic gas are discharged into the container 24, and the toxic gas is passed through the secondary gas discharge passage 38 and the primary gas discharge passage 34 to the gas treatment device. Guided to 14.
- the waste discharged into the container 24 can be used for auxiliary fuel and aggregate.
- the present invention when the primary heating device 10 heat-treats the salted vinyl and the like contained in the waste and sends the toxic gas generated from the vinyl chloride and the like to the gas treatment device 14, the present invention is applicable.
- the concentration of the poisonous gas is measured by the gas measuring means 36 to make a judgment.
- concentration of the toxic gas is lower than the minimum reference value, it is determined that the heating treatment of the vinyl chloride or the like by the heating in the primary heating device 10 is sufficient, and the heating treatment in the secondary heating device 12 is not performed. Only when the concentration of the toxic gas is equal to or higher than the minimum reference value, it is determined that the content of the Shii-Dani vinyl or the like is large, and the waste is heated again by the secondary heating device 12.
- vinyl chloride contained in the waste Adjust the heating time and heating temperature (at least one of the heating time and heating temperature) of the waste to be heated by the secondary heating device according to the mixing ratio of neal and the like.
- the heating time and the heating time are determined in accordance with the mixing ratio of the salted vinyl and the like contained in the waste. Since the temperature can be adjusted, waste can be calorically heat-treated according to the mixing ratio of vinyl chloride, etc., and the heat treatment time can be shortened and the cost of heat treatment can be reduced. .
- the heating treatment can be performed in accordance with the mixing ratio, so that it is possible to continuously and efficiently treat vinyl chloride or the like.
- the object to be heated has been described as waste, the object to be treated is salted vinyl, and the specific gas has been described as a toxic gas.
- the object to be heated is not limited to waste
- the processed material is not limited to vinyl chloride, etc.
- the specific gas is not limited to toxic gas.
- the object to be processed is heated for some time to remove the specific gas from the object to be processed.
- the present invention can be applied to a case where the present invention can be used.
- the expression that the object to be heated includes the object to be processed includes both the case of mixing and the case of being integrally mixed.
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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Processing Of Solid Wastes (AREA)
- Treating Waste Gases (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004-099786 | 2004-03-30 | ||
JP2004099786A JP2005279541A (ja) | 2004-03-30 | 2004-03-30 | 加熱によって発生する特定ガスの除去装置とその方法 |
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Publication Number | Publication Date |
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WO2005097365A1 true WO2005097365A1 (ja) | 2005-10-20 |
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PCT/JP2005/005111 WO2005097365A1 (ja) | 2004-03-30 | 2005-03-22 | 加熱によって発生する特定ガスの除去装置とその方法 |
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JP (1) | JP2005279541A (ja) |
WO (1) | WO2005097365A1 (ja) |
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CN105414155A (zh) * | 2015-12-28 | 2016-03-23 | 北京中石大能源技术服务有限公司 | 一种石油工业废弃物的无害化处理方法及装置 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09291290A (ja) * | 1996-04-26 | 1997-11-11 | Toshiba Corp | プラスチック処理装置及びプラスチック油化処理装置 |
JPH11199703A (ja) * | 1998-01-14 | 1999-07-27 | Takuma Co Ltd | 廃プラスチックの脱塩素処理方法 |
JPH11333404A (ja) * | 1998-05-25 | 1999-12-07 | Meidensha Corp | 有害成分含有物の処理装置 |
JP2000063559A (ja) * | 1998-08-24 | 2000-02-29 | Meidensha Corp | 塩素含有高分子樹脂の処理方法と処理装置 |
JP2002181320A (ja) * | 2000-12-08 | 2002-06-26 | Mitsubishi Heavy Ind Ltd | 廃棄物のガス化燃焼装置及び燃焼方法 |
JP2003096469A (ja) * | 2001-09-26 | 2003-04-03 | Mcc:Kk | 廃プラスチックの油化還元装置 |
-
2004
- 2004-03-30 JP JP2004099786A patent/JP2005279541A/ja active Pending
-
2005
- 2005-03-22 WO PCT/JP2005/005111 patent/WO2005097365A1/ja active Application Filing
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09291290A (ja) * | 1996-04-26 | 1997-11-11 | Toshiba Corp | プラスチック処理装置及びプラスチック油化処理装置 |
JPH11199703A (ja) * | 1998-01-14 | 1999-07-27 | Takuma Co Ltd | 廃プラスチックの脱塩素処理方法 |
JPH11333404A (ja) * | 1998-05-25 | 1999-12-07 | Meidensha Corp | 有害成分含有物の処理装置 |
JP2000063559A (ja) * | 1998-08-24 | 2000-02-29 | Meidensha Corp | 塩素含有高分子樹脂の処理方法と処理装置 |
JP2002181320A (ja) * | 2000-12-08 | 2002-06-26 | Mitsubishi Heavy Ind Ltd | 廃棄物のガス化燃焼装置及び燃焼方法 |
JP2003096469A (ja) * | 2001-09-26 | 2003-04-03 | Mcc:Kk | 廃プラスチックの油化還元装置 |
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JP2005279541A (ja) | 2005-10-13 |
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