CN113842750A - Carbonization pyrolysis tail gas processing apparatus - Google Patents
Carbonization pyrolysis tail gas processing apparatus Download PDFInfo
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- CN113842750A CN113842750A CN202111114034.XA CN202111114034A CN113842750A CN 113842750 A CN113842750 A CN 113842750A CN 202111114034 A CN202111114034 A CN 202111114034A CN 113842750 A CN113842750 A CN 113842750A
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- Prior art keywords
- tail gas
- circulating water
- exhaust pipe
- treatment device
- smoke exhaust
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- 238000000197 pyrolysis Methods 0.000 title claims abstract description 30
- 238000003763 carbonization Methods 0.000 title claims abstract description 24
- 238000012545 processing Methods 0.000 title claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 108
- 239000000779 smoke Substances 0.000 claims abstract description 28
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 22
- 238000001179 sorption measurement Methods 0.000 claims abstract description 15
- 239000000126 substance Substances 0.000 claims abstract description 9
- 238000009434 installation Methods 0.000 claims abstract description 7
- 239000007789 gas Substances 0.000 claims description 68
- 239000007788 liquid Substances 0.000 claims description 16
- 239000007921 spray Substances 0.000 claims description 11
- 238000007789 sealing Methods 0.000 claims description 9
- 230000001681 protective effect Effects 0.000 claims description 5
- 239000002351 wastewater Substances 0.000 claims description 5
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 3
- 239000003546 flue gas Substances 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 abstract description 6
- 238000000746 purification Methods 0.000 abstract description 6
- 238000001816 cooling Methods 0.000 abstract description 3
- 239000003814 drug Substances 0.000 description 5
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 239000003517 fume Substances 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/18—Absorbing units; Liquid distributors therefor
- B01D53/185—Liquid distributors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/79—Injecting reactants
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/96—Regeneration, reactivation or recycling of reactants
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention discloses a carbonization pyrolysis tail gas treatment device, which comprises: the water tank, the smoke exhaust pipe, the heat exchanger, the activated carbon adsorption tank and the chimney are connected in sequence; the tail gas sequentially passes through a smoke exhaust pipe, a heat exchanger, an activated carbon adsorption tank and a chimney from bottom to top; the smoke exhaust pipe is provided with a circulating water inlet, the lower end of the water tank is provided with a circulating water outlet, and a circulating water pump is connected between the circulating water inlet and the circulating water outlet; the smoke exhaust pipe is provided with a tail gas inlet which is positioned below the circulating water inlet. The carbonization pyrolysis tail gas treatment device integrates a tail gas harmful substance treatment device, a tail gas cooling device and a tail gas purification and adsorption device, tail gas enters an exhaust pipe through a tail gas inlet, the tail gas sequentially passes through a heat exchanger and an active carbon adsorption box after being sprayed by water at a circulating water inlet, and the treated tail gas is discharged through a chimney. This tail gas processing apparatus is integrated in an organic whole with a plurality of tail gas treatment functions, and occupation space is little, the installation of being convenient for, and the device simple structure, the cost is lower.
Description
Technical Field
The invention relates to the technical field of garbage treatment, in particular to a device for treating tail gas after carbonization-pyrolysis reaction.
Background
The garbage carbonization and pyrolysis takes the household garbage as a raw material, and the household garbage is processed into the artificial carbon emissions which can be reused, have single components and are free of pollution through the processes of high-temperature cracking, flue gas and sulfur condensation, carbon enrichment and the like, compared with the mode of directly burying the garbage, the garbage carbonization and pyrolysis can save most land resources and is free of environmental pollution, the household garbage is recycled at the same time, and the utilization rate of the resources is improved.
The garbage can generate smoke after carbonization and pyrolysis reaction, and the smoke needs to be discharged out of the carbonization and pyrolysis equipment after being treated. In the existing garbage carbonization and pyrolysis equipment, flue gas generated by garbage pyrolysis needs to sequentially pass through tail gas treatment equipment such as a dust remover, a spray tower and a condenser so that the purified tail gas can reach the emission standard. However, the tail gas treatment needs more equipment, the occupied space is large, the installation and maintenance cost is high, the structure of the tail gas treatment equipment is complex, and the processing cost is high.
Disclosure of Invention
Aiming at the problems in the prior art, the invention aims to provide a carbonization pyrolysis tail gas treatment device which has the advantages of high integration degree of tail gas purification function, simple structure and small occupied space.
In order to achieve the purpose, the technical scheme of the invention is as follows:
a carbonization pyrolysis tail gas processing apparatus includes: the water tank, the smoke exhaust pipe, the heat exchanger, the activated carbon adsorption tank and the chimney are connected in sequence; the tail gas sequentially passes through the smoke exhaust pipe, the heat exchanger, the activated carbon adsorption tank and the chimney from bottom to top; the smoke exhaust pipe is provided with a circulating water inlet, the lower end of the water tank is provided with a circulating water outlet, and a circulating water pump is connected between the circulating water inlet and the circulating water outlet; the smoke exhaust pipe is provided with a tail gas inlet, and the tail gas inlet is positioned below the circulating water inlet.
Furthermore, a spray head connected with the circulating water inlet is arranged in the smoke exhaust pipe.
Furthermore, the smoke exhaust pipe at the position of the corresponding height of the spray head is provided with a mounting opening, and the mounting opening is provided with a sealing cover.
Further, the lower end of the water tank is also provided with a waste water discharge port.
Further, the lower end of the water tank is also provided with a lower liquid level meter interface, and the upper end of the water tank is provided with an upper liquid level meter interface and a water replenishing port.
Further, the water tank upper end sets up with the medicine mouth, install the protective cover on adding the medicine mouth.
Further, the bottom of the water tank is also provided with a support frame for supporting the carbonization pyrolysis tail gas treatment device.
The carbonization pyrolysis tail gas treatment device integrates a tail gas harmful substance treatment device, a tail gas cooling device and a tail gas purification and adsorption device, tail gas enters an exhaust pipe through a tail gas inlet, the tail gas sequentially passes through a heat exchanger and an active carbon adsorption box after being sprayed by water at a circulating water inlet, and the treated tail gas is discharged through a chimney. The tail gas treatment device integrates a plurality of tail gas treatment functions, occupies small space, is convenient to install, and has simple structure and lower cost.
Drawings
FIG. 1 is a schematic structural diagram of a carbonized pyrolysis tail gas treatment device provided by an example of the invention;
FIG. 2 is a schematic front view of a carbonized pyrolysis tail gas treatment apparatus according to an example of the present invention;
FIG. 3 is a schematic left side view partially in section of an exemplary carbonization pyrolysis tail gas treatment apparatus of the invention;
FIG. 4 is a schematic rear view of a carbonized pyrolysis tail gas treatment apparatus according to an example of the present invention;
in the figure:
1-a water tank; 1-1 is provided with a circulating water outlet; 1-2-a wastewater discharge port; 1-3-lower level meter interface; 1-4-upper level meter interface; 1-5-water replenishing port; 1-6-medicine adding port; 2, a smoke exhaust pipe; 2-1-circulating water inlet; 2-tail gas inlet; 2-3-mounting port; 3, a heat exchanger; 4-activated carbon adsorption tank; 5, a chimney; 6, a spray head; 7-sealing cover; 8-a protective cover; 9-a support frame.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution of the present invention is described clearly and completely below with reference to the drawings in the examples of the present invention, and it is obvious that the described examples are only a part of examples of the present invention, and not all examples. All other embodiments obtained by a person skilled in the art based on examples in the present invention shall fall within the scope of protection of the present invention without making creative efforts.
As shown in fig. 1 to 4 as an example, there is provided a carbonized pyrolysis tail gas treatment apparatus of the present invention comprising: the device comprises a water tank 1, a smoke exhaust pipe 2, a heat exchanger 3, an active carbon adsorption tank 4 and a chimney 5 which are connected in sequence; the tail gas sequentially passes through a smoke exhaust pipe 2, a heat exchanger 3, an activated carbon adsorption tank 4 and a chimney 5 from bottom to top; a circulating water inlet 2-1 is arranged on the smoke exhaust pipe 2, a circulating water outlet 1-1 is arranged at the lower end of the water tank, and a circulating water pump is connected between the circulating water inlet 2-1 and the circulating water outlet 1-1; the smoke exhaust pipe 2 is provided with a tail gas inlet 2-2, and the tail gas inlet 2-2 is positioned below the circulating water inlet 2-1.
The carbonization pyrolysis tail gas treatment device of this example integrates tail gas harmful substance processing apparatus, tail gas cooling device and tail gas purification adsorption equipment, and tail gas passes through tail gas import 2-2 and enters into discharge fume 2, through the water spraying of circulating water import 2-1, passes through heat exchanger 3 and active carbon adsorption tank 4 in proper order, and the tail gas after the processing is discharged through chimney 5. The tail gas treatment device of this example integrates a plurality of tail gas treatment functions in an organic whole, and occupation space is little, the installation of being convenient for, and the device simple structure, the cost is lower.
It should be noted that the circulating water pump is used for pumping water discharged from the circulating water outlet 1-1 into the circulating water inlet 2-1, the water flowing through the circulating water inlet 2-1 acts on the tail gas and then falls into the water tank 1, and then flows out from the circulating water outlet 1-1 to form water circulation.
In this example, four exhaust pipes 2 are connected between the water tank 1 and the heat exchanger 3, in other embodiments, other numbers of exhaust pipes 2 may be connected between the water tank 1 and the heat exchanger 3, and the number and size of the exhaust pipes 2 are selected, so that those skilled in the art can determine and select the exhaust pipes according to the amount of the exhaust gas to be treated, the exhaust gas purification effect and other factors.
Referring to fig. 3, a spray head 6 connected with a circulating water inlet 2-1 is installed in the smoke exhaust pipe 2. So that water sprays through shower nozzle 6, with tail gas fully function, can set up 1 apopore on the shower nozzle 6, also can set up a plurality of tiny apopores, increase the area of contact of water and tail gas in the pipe 2 of discharging fume, fully absorb the harmful substance in the tail gas. Referring to fig. 2-3, each smoke exhaust pipe 2 of the present example is provided with an upper circulating water inlet 2-1 and a lower circulating water inlet 2-1, and each circulating water inlet 2-1 is provided with a spray head 6.
In the example, the smoke exhaust pipe 2 at the position corresponding to the height of the spray head 6 is provided with a mounting port 2-3, and the mounting port 2-3 is provided with a sealing cover 7. The mounting port 2-3 is used for replacing and cleaning the spray head 6, and for convenience of processing and functional partition, the mounting port 2-3 and the circulating water inlet 2-1 are respectively arranged at two sides of the smoke exhaust pipe 2; referring to fig. 1 and 4, in the present embodiment, each smoke exhaust pipe 2 is provided with a tail gas inlet 2-2, and the tail gas inlet 2-2 and the installation port 2-3 are arranged on the same side of the smoke exhaust pipe 2 and below the installation port 2-3. When the exhaust gas treatment device works, the sealing cover 7 is required to be hermetically arranged on the mounting opening 2-3 to prevent exhaust gas from leaking through the mounting opening 2-3, and sealing is completed between the sealing cover 7 and the mounting opening 2-3 through mounting of a sealing gasket or a sealing ring.
In this example, the lower end of the tank 1 is also provided with a waste water discharge port 1-2. After the tail gas is treated by adopting the water circulation in the water tank 1 for a period of time, the water quality of the water tank 1 can influence the treatment effect of the tail gas, and at the moment, the water in the water tank 1 can be discharged through the waste water discharge port 1-2.
In the example, the lower end of the water tank 1 is also provided with a lower liquid level meter interface 1-3, and the upper end of the water tank 1 is provided with an upper liquid level meter interface 1-4 and a water replenishing port 1-5. An upper liquid level meter interface 1-4 and a lower liquid level meter interface 1-3 which are arranged at the upper end and the lower end of the water tank 1 are respectively used for connecting an upper liquid level meter and a lower liquid level meter, and the upper liquid level meter and the lower liquid level meter are used for monitoring the water quantity in the water tank 1. The lower liquid level meter can be connected with an alarm element, when the lower liquid level meter detects that the water level of the water tank 1 is lower than a certain value, a signal is sent to the alarm element, and the alarm element works to remind related personnel of adding water into the water tank through the water replenishing port 1-5; the lower liquid level meter can be connected with a control element, the control element is connected with a water filling pump, the water filling pump is connected with a water replenishing port 1-5 through a water pipe, when the lower liquid level meter detects that the water level of the water tank 1 is lower than a certain value, a signal is sent to the control element, the control element controls the water filling pump to work, and water is filled into the water tank 1 through the water replenishing port 1-5.
In this example, the upper end of the water tank 1 is provided with a dosing port 1-6, and a protective cover 8 is arranged on the dosing port 1-6. In order to enhance the purification effect of the tail gas, some medicaments capable of neutralizing harmful substances in the tail gas, such as NaOH, are added into the water tank 1 through the medicament adding ports 1-6; after the chemicals are not required to be added or are added completely, a protective cover 8 is arranged on the chemical adding openings 1-6, so that dust and other impurities are prevented from falling into the water tank 1 and affecting the flowability of water and the normal operation of equipment in a water circulation system.
In this example, the bottom of the water tank 1 is further provided with a support frame 9 for supporting the carbonization pyrolysis tail gas treatment device. Referring to fig. 1-2 and 4, two support frames 9 are arranged at the bottom of the water tank 1 of the present example to stably support the whole exhaust gas treatment device.
Finally, it is to be understood that the above embodiments are merely exemplary embodiments taken to illustrate the principles of the present invention, which is not intended to be limiting. It will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention, and these changes and modifications are to be considered as within the scope of the invention.
Claims (7)
1. The utility model provides a carbonization pyrolysis tail gas processing apparatus which characterized in that includes: the water tank, the smoke exhaust pipe, the heat exchanger, the activated carbon adsorption tank and the chimney are connected in sequence; the tail gas sequentially passes through the smoke exhaust pipe, the heat exchanger, the activated carbon adsorption tank and the chimney from bottom to top; the smoke exhaust pipe is provided with a circulating water inlet, the lower end of the water tank is provided with a circulating water outlet, and a circulating water pump is connected between the circulating water inlet and the circulating water outlet; the smoke exhaust pipe is provided with a tail gas inlet, and the tail gas inlet is positioned below the circulating water inlet.
2. The carbonization pyrolysis tail gas treatment device according to claim 1, wherein a spray nozzle connected to the circulating water inlet is installed in the flue gas duct.
3. The carbonization pyrolysis tail gas treatment device according to claim 2, wherein an installation opening is arranged on the smoke exhaust pipe at a height corresponding to the spray head, and a sealing cover is arranged on the installation opening.
4. The carbonization pyrolysis tail gas treatment device according to claim 1, wherein a wastewater discharge port is further provided at the lower end of the water tank.
5. The carbonization pyrolysis tail gas treatment device according to claim 1 or 4, wherein the lower end of the water tank is further provided with a lower liquid level meter interface, and the upper end of the water tank is provided with an upper liquid level meter interface and a water replenishing port.
6. The carbonization pyrolysis tail gas treatment device according to claim 1, wherein a chemical feeding port is arranged at the upper end of the water tank, and a protective cover is arranged on the chemical feeding port.
7. The carbonization pyrolysis tail gas treatment device according to claim 1, wherein a support frame for supporting the carbonization pyrolysis tail gas treatment device is further arranged at the bottom of the water tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111114034.XA CN113842750A (en) | 2021-09-23 | 2021-09-23 | Carbonization pyrolysis tail gas processing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111114034.XA CN113842750A (en) | 2021-09-23 | 2021-09-23 | Carbonization pyrolysis tail gas processing apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113842750A true CN113842750A (en) | 2021-12-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111114034.XA Pending CN113842750A (en) | 2021-09-23 | 2021-09-23 | Carbonization pyrolysis tail gas processing apparatus |
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| CN (1) | CN113842750A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2946321B1 (en) * | 1998-04-01 | 1999-09-06 | 江差ステンレス製作株式会社 | Exhaust gas treatment method containing oil components such as solvents |
| CN203725005U (en) * | 2014-01-26 | 2014-07-23 | 成都玉龙化工有限公司 | Device for treating tail gas generated by electrolysis of PVB (Polyvinyl Butyral) wastewater |
| CN109432981A (en) * | 2018-11-28 | 2019-03-08 | 江门市佐敦环保科技有限公司 | A kind of nitrogen-containing oxide exhaust treatment system and method |
| CN209501225U (en) * | 2019-01-23 | 2019-10-18 | 重庆同辉气体有限公司 | Adsorption tower is used in high-pureness carbon dioxide production |
| CN112717679A (en) * | 2020-12-31 | 2021-04-30 | 嘉园环保有限公司 | Organic waste gas multistage purification equipment and process integrating regenerative oxidation function |
-
2021
- 2021-09-23 CN CN202111114034.XA patent/CN113842750A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2946321B1 (en) * | 1998-04-01 | 1999-09-06 | 江差ステンレス製作株式会社 | Exhaust gas treatment method containing oil components such as solvents |
| CN203725005U (en) * | 2014-01-26 | 2014-07-23 | 成都玉龙化工有限公司 | Device for treating tail gas generated by electrolysis of PVB (Polyvinyl Butyral) wastewater |
| CN109432981A (en) * | 2018-11-28 | 2019-03-08 | 江门市佐敦环保科技有限公司 | A kind of nitrogen-containing oxide exhaust treatment system and method |
| CN209501225U (en) * | 2019-01-23 | 2019-10-18 | 重庆同辉气体有限公司 | Adsorption tower is used in high-pureness carbon dioxide production |
| CN112717679A (en) * | 2020-12-31 | 2021-04-30 | 嘉园环保有限公司 | Organic waste gas multistage purification equipment and process integrating regenerative oxidation function |
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