CN210410092U - Backflow high-efficiency organic waste gas treatment system - Google Patents
Backflow high-efficiency organic waste gas treatment system Download PDFInfo
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- CN210410092U CN210410092U CN201920804659.0U CN201920804659U CN210410092U CN 210410092 U CN210410092 U CN 210410092U CN 201920804659 U CN201920804659 U CN 201920804659U CN 210410092 U CN210410092 U CN 210410092U
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- 239000007789 gas Substances 0.000 title claims abstract description 520
- 239000010815 organic waste Substances 0.000 title claims abstract description 35
- 238000001179 sorption measurement Methods 0.000 claims abstract description 169
- 238000011084 recovery Methods 0.000 claims abstract description 102
- 239000000112 cooling gas Substances 0.000 claims abstract description 68
- 238000010438 heat treatment Methods 0.000 claims abstract description 61
- 239000002912 waste gas Substances 0.000 claims abstract description 43
- 238000003795 desorption Methods 0.000 claims description 163
- 239000000428 dust Substances 0.000 claims description 115
- 238000001816 cooling Methods 0.000 claims description 73
- 238000010992 reflux Methods 0.000 claims description 57
- 238000004891 communication Methods 0.000 claims description 39
- 238000004064 recycling Methods 0.000 claims description 26
- 238000005485 electric heating Methods 0.000 claims description 14
- 239000000446 fuel Substances 0.000 claims description 14
- 238000007664 blowing Methods 0.000 claims description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 239000007788 liquid Substances 0.000 claims description 7
- 239000003595 mist Substances 0.000 claims description 5
- 230000003197 catalytic effect Effects 0.000 claims description 4
- 239000002131 composite material Substances 0.000 claims description 4
- 230000001172 regenerating effect Effects 0.000 claims description 4
- 239000003500 flue dust Substances 0.000 claims description 3
- 125000004122 cyclic group Chemical group 0.000 abstract description 7
- 239000012716 precipitator Substances 0.000 description 20
- 238000010521 absorption reaction Methods 0.000 description 11
- 238000013461 design Methods 0.000 description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 6
- 238000002485 combustion reaction Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 239000002245 particle Substances 0.000 description 5
- 238000009835 boiling Methods 0.000 description 4
- 229910021536 Zeolite Inorganic materials 0.000 description 3
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000005416 organic matter Substances 0.000 description 3
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- 239000004065 semiconductor Substances 0.000 description 3
- 239000000377 silicon dioxide Substances 0.000 description 3
- 239000010457 zeolite Substances 0.000 description 3
- 238000003915 air pollution Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 239000012717 electrostatic precipitator Substances 0.000 description 2
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- 238000012545 processing Methods 0.000 description 2
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- 238000000926 separation method Methods 0.000 description 2
- 235000012239 silicon dioxide Nutrition 0.000 description 2
- 239000012719 wet electrostatic precipitator Substances 0.000 description 2
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Abstract
A high-efficiency backflow organic waste gas treatment system comprises an incineration device, an adsorption rotating wheel, a first heating device and a backflow heat exchanger, wherein the adsorption rotating wheel is connected with a waste gas inlet pipeline, a purified gas discharge pipeline, a cooling gas inlet pipeline, a cooling gas conveying pipeline and a first hot gas conveying pipeline; the backflow heat exchanger is connected with a backflow hot gas recovery pipeline and a backflow recovery pipeline, the other end of the backflow hot gas recovery pipeline is connected with a gas outlet of the incineration device, the other end of the backflow recovery pipeline is connected with a waste gas inlet pipeline, the exhaust of the incineration device is mainly subjected to heat recovery through the backflow heat exchanger, the exhaust of the incineration device is subjected to heat exchange through the backflow heat exchanger and the exhaust gas of the clean gas discharge pipeline at the outlet of the adsorption area, the exhaust gas can be cooled and then conveyed to the waste gas inlet pipeline, the combusted gas enters the adsorption area of the adsorption rotating wheel for cyclic utilization, the combusted gas is not discharged through a chimney, the emission of the chimney is reduced, and the treatment efficiency of organic waste gas is improved.
Description
Technical Field
The utility model relates to a backward flow high efficiency organic waste gas treatment system indicates especially that one kind is used for getting into the gas after the burning and adsorbs the adsorption zone cyclic utilization of runner, and need not discharge through this chimney, makes organic waste gas's treatment effeciency promote, and is applicable to the organic waste gas treatment system or the similar equipment of semiconductor industry, photoelectric industry or the relevant industry of chemistry.
Background
At present, volatile organic gases (VOC) are generated in the manufacturing process of semiconductor industry or photoelectric industry, so that processing equipment for processing the VOC is installed in each factory to prevent the VOC from being directly discharged into the air to cause air pollution. At present, most of concentrated gas desorbed by the treatment equipment is conveyed to the incinerator for combustion, and then the combusted gas is conveyed to a chimney for emission.
However, in recent years, air pollution has been very important to the central government or local governments, and therefore, the emission standards of the chimney have been made in consideration of the suspended Particles (PM)10) And fine suspended Particles (PM)2.5) Air quality standard, and according to the research result of domestic health influence, the health influence is taken as priority consideration, and' fine suspended Particles (PM) are obtained2.5) "24 hour value was 35. mu.g/m3The annual average value was determined to be 15. mu.g/m3. And the environmental protection department primarily achieves the annual average value of the fine suspended particle concentration of 15 mu g/m in the whole country in 20203The aim of (1) is to develop the method according to the international control trend and to examine the fine suspended Particles (PM) thereof one by one2.5) Quality of airVolume standard and standard value for air quality (25 μ g/m for 24 hours) in compliance with WHO3The annual average value was determined to be 10. mu.g/m3) For the air quality improvement goal.
Therefore, in view of the above-mentioned shortcomings, the present invention is expected to provide a high efficiency organic waste gas treatment system with backflow function for improving organic waste gas treatment efficiency, which is easy to operate and assemble by users.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a main purpose, aim at provides a backward flow high efficiency organic waste gas treatment system, mainly the exhaust that will burn the device carries out heat recovery through heat exchanger of backward flow, and carry out the heat exchange through the exhaust gas (absorption treatment gas) of the clean gas discharge pipeline of this heat exchanger of backward flow and adsorption zone export again with this exhaust that burns the device, and can cool off and carry this waste gas admission line again, make the gas after the burning get into this adsorption zone cyclic utilization who adsorbs the runner, and not discharge through this chimney, make the emission reduction of this chimney, and make organic waste gas's treatment effeciency promote, and then increase holistic practicality.
Another objective of the present invention is to provide a high-efficiency organic waste gas treatment system, which adds a high-temperature desorption region through the adsorption wheel, so as to remove the residual high-boiling organic compounds (VOC) during the operation (ON LINE) ON LINE, thereby recovering the adsorption ability of the adsorption wheel, increasing the treatment efficiency of volatile organic waste gas, reducing the emission of pollutants, and increasing the overall usability.
The utility model discloses a still another purpose, lie in providing a backward flow high efficiency organic waste gas treatment system, discharge the tube coupling through this net gas and go out a net gas bypass pipeline, the other end and this chimney of this net gas bypass pipeline discharge the tube coupling, make this net gas discharge tube way when carrying discharge purification back gas, except getting into this backflow heat exchanger's backward flow cold side pipeline carry out the heat exchange, can also carry out the bypass reposition of redundant personnel through the net gas bypass pipeline of being connected with this net gas discharge tube way, make partial purification back gas direct flow to this chimney discharge tube way discharge through this chimney again, borrow this, make this net gas discharge tube way form the function of reposition of redundant personnel through this net gas bypass pipeline, and then increase holistic utilization.
In order to achieve the above object, according to one aspect of the present invention, there is provided a backflow high efficiency organic waste gas treatment system, comprising: the incineration device is provided with at least one air inlet and at least one air outlet; an adsorption runner, the adsorption runner is provided with an adsorption area, a cooling area and a desorption area, the adsorption runner is connected with a waste gas inlet pipeline, a clean gas discharge pipeline, a cooling gas inlet pipeline, a cooling gas conveying pipeline, a first hot gas conveying pipeline and a first desorption concentrated gas pipeline, the other end of the waste gas inlet pipeline is connected to one side of the adsorption area of the adsorption runner, one end of the clean gas discharge pipeline is connected with the other side of the adsorption area of the adsorption runner, one end of the cooling gas inlet pipeline is connected with one side of the cooling area of the adsorption runner, one end of the cooling gas conveying pipeline is connected with the other side of the cooling area of the adsorption runner, one end of the first hot gas conveying pipeline is connected with the other side of the desorption area of the adsorption runner, one end of the first desorption concentrated gas pipeline is connected with one side of the desorption area of the adsorption runner, the other end of the first desorption concentrated gas pipeline is connected with an air inlet of the incineration device; the first heating device is connected with the other end of the cooling gas conveying pipeline, and the other end of the first heating device is connected with the other end of the first hot gas conveying pipeline; and a reflux heat exchanger, the reflux heat exchanger is provided with a reflux cold side pipeline and a reflux hot side pipeline, the reflux heat exchanger is connected with a reflux hot gas recovery pipeline and a reflux recovery pipeline, one end of the reflux cold side pipeline is connected with the other end of the purified gas discharge pipeline, one end of the reflux hot gas recovery pipeline is connected with one end of the reflux hot side pipeline, the other end of the reflux hot gas recovery pipeline is connected with the gas outlet of the incineration device, one end of the reflux recovery pipeline is connected with the other end of the reflux hot side pipeline, and the other end of the reflux recovery pipeline is connected with the waste gas inlet pipeline.
As another aspect of the utility model, a backward flow high efficiency organic waste gas treatment system is provided, include: the incineration device is provided with at least one air inlet and at least one air outlet; an adsorption rotating wheel, which is provided with an adsorption area, a cooling area and a desorption area, and is connected with a waste gas inlet pipeline, a clean gas discharge pipeline, a cooling gas inlet pipeline, a cooling gas conveying pipeline, a first hot gas conveying pipeline and a first desorption concentrated gas pipeline, the other end of the waste gas inlet pipeline is connected to one side of the adsorption area of the adsorption rotating wheel, one end of the purified gas discharge pipeline is connected with the other side of the adsorption area of the adsorption rotating wheel, one end of the cooling gas inlet pipeline is connected with one side of the cooling area of the adsorption rotating wheel, one end of the cooling gas conveying pipeline is connected with the other side of the cooling area of the adsorption rotating wheel, one end of the first hot gas conveying pipeline is connected with the other side of the desorption area of the adsorption rotating wheel, and one end of the first desorption concentrated gas pipeline is connected with one side of the desorption area of the adsorption rotating wheel; the first heating device is connected with the other end of the cooling gas conveying pipeline, and the other end of the first heating device is connected with the other end of the first hot gas conveying pipeline; the second heat exchanger is provided with a second cold side pipeline and a second hot side pipeline, the second heat exchanger is connected with a second incineration hot gas recovery pipeline and a second desorption concentrated gas conveying pipeline, one end of the second incineration hot gas recovery pipeline is connected with one end of the second hot side pipeline, the other end of the second incineration hot gas recovery pipeline is connected with a gas outlet of the incineration device, one end of the first desorption concentrated gas pipeline is connected with the other end of the second cold side pipeline, one end of the second desorption concentrated gas conveying pipeline is connected with one end of the second cold side pipeline, and the other end of the second desorption concentrated gas conveying pipeline is connected with a gas inlet of the incineration device; and a reflux heat exchanger, the reflux heat exchanger is provided with a reflux cold side pipeline and a reflux hot side pipeline, the reflux heat exchanger is connected with a reflux hot gas recovery pipeline and a reflux recovery pipeline, one end of the reflux cold side pipeline is connected with the other end of the purified gas discharge pipeline, one end of the reflux hot gas recovery pipeline is connected with one end of the reflux hot side pipeline, the other end of the reflux hot gas recovery pipeline is connected with the other end of the second hot side pipeline of the second heat exchanger, one end of the reflux recovery pipeline is connected with the other end of the reflux hot side pipeline, and the other end of the reflux recovery pipeline is connected with the waste gas inlet pipeline.
As a further aspect of the present invention, there is provided a backflow high efficiency organic waste gas treatment system, comprising: the incineration device is provided with at least one air inlet and at least one air outlet; an adsorption rotating wheel, which is provided with an adsorption area, a cooling area and a desorption area, and is connected with a waste gas inlet pipeline, a clean gas discharge pipeline, a cooling gas inlet pipeline, a cooling gas conveying pipeline, a first hot gas conveying pipeline and a first desorption concentrated gas pipeline, the other end of the waste gas inlet pipeline is connected to one side of the adsorption area of the adsorption rotating wheel, one end of the purified gas discharge pipeline is connected with the other side of the adsorption area of the adsorption rotating wheel, one end of the cooling gas inlet pipeline is connected with one side of the cooling area of the adsorption rotating wheel, one end of the cooling gas conveying pipeline is connected with the other side of the cooling area of the adsorption rotating wheel, one end of the first hot gas conveying pipeline is connected with the other side of the desorption area of the adsorption rotating wheel, and one end of the first desorption concentrated gas pipeline is connected with one side of the desorption area of the adsorption rotating wheel; the first heat exchanger is provided with a first cold side pipeline and a first hot side pipeline, one end of the first cold side pipeline is connected with the other end of the cooling gas conveying pipeline, and the other end of the first cold side pipeline is connected with the other end of the first hot gas conveying pipeline; a second heat exchanger provided with a second cold side pipeline and a second hot side pipeline, the second heat exchanger is connected with a second hot gas recovery pipeline, a second incineration hot gas recovery pipeline and a second desorption concentrated gas conveying pipeline, one end of the second incineration hot gas recovery pipeline is connected with one end of the second hot side pipeline, the other end of the second incineration hot gas recovery pipeline is connected with the gas outlet of the incineration device, one end of the second hot gas recovery pipeline is connected with the other end of the second hot side pipeline, the other end of the second hot gas recovery pipeline is connected with one end of the first hot side pipeline of the first heat exchanger, one end of the first desorption concentrated gas pipeline is connected with the other end of the second cold-side pipeline, one end of the second desorption concentrated gas conveying pipeline is connected with one end of the second cold-side pipeline, the other end of the second desorption concentrated gas conveying pipeline is connected with the gas inlet of the incineration device; and a reflux heat exchanger, the reflux heat exchanger is provided with a reflux cold side pipeline and a reflux hot side pipeline, the reflux heat exchanger is connected with a reflux hot gas recovery pipeline and a reflux recovery pipeline, one end of the reflux cold side pipeline is connected with the other end of the purified gas discharge pipeline, one end of the reflux hot gas recovery pipeline is connected with one end of the reflux hot side pipeline, the other end of the reflux hot gas recovery pipeline is connected with the other end of the first hot side pipeline of the first heat exchanger, one end of the reflux recovery pipeline is connected with the other end of the reflux hot side pipeline, and the other end of the reflux recovery pipeline is connected with the waste gas inlet pipeline.
For a further understanding of the nature, features and technical content of the present invention, reference should be made to the following detailed description of the invention and accompanying drawings, which are provided for reference and illustration purposes only and are not intended to limit the invention.
Drawings
Fig. 1 is a main structural schematic diagram of a first embodiment of the present invention;
FIG. 2 is a schematic structural view of a first embodiment of the present invention having a net gas bypass line;
fig. 3 is another schematic structural diagram of the first embodiment of the present invention with a net gas bypass line;
fig. 4 is a schematic structural view of a first embodiment of the present invention having a high temperature desorption region;
fig. 5 is another schematic structural diagram of the first embodiment of the present invention with a high temperature desorption zone;
fig. 6 is a main structural schematic diagram of a second embodiment of the present invention;
FIG. 7 is a schematic structural view of a second embodiment of the present invention having a net gas bypass line;
fig. 8 is another schematic structural view of a second embodiment of the present invention having a net gas bypass line;
fig. 9 is a schematic structural view of a second embodiment of the present invention having a high temperature desorption region;
fig. 10 is another schematic structural view of a second embodiment of the present invention having a high temperature desorption region;
fig. 11 is a main structural schematic diagram of a third embodiment of the present invention;
fig. 12 is a schematic structural view of a third embodiment of the present invention having a net gas bypass line;
fig. 13 is another schematic structural view of a third embodiment of the present invention having a net gas bypass line;
fig. 14 is a schematic structural view of a third embodiment of the present invention having a high-temperature desorption zone;
fig. 15 is another schematic structural view of a third embodiment of the present invention having a high-temperature desorption region.
[ description of reference ]
A. One side B and the other side
10. Incineration device 11, air inlet
12. Air outlet 20 and adsorption runner
201. Adsorption zone 202, cooling zone
203. Desorption zone 204, high temperature desorption zone
21. Exhaust gas inlet line 22 and clean gas discharge line
221. Fan 222 and clean gas bypass pipeline
2221. Clean gas bypass control valve 23 and cooling gas inlet pipeline
231. Gas bypass pipeline 24 and cooling gas conveying pipeline
241. Cooling gas control valve 25, first hot gas delivery line
251. Hot gas control valve 26 and first desorption concentrated gas pipeline
261. Blower 27, communication pipe
271. A pipeline for communicating the control valve 28 and the high-temperature desorption concentrated gas
29. High-temperature hot gas pipeline 30 and first heat exchanger
301. A first cold side duct 302, a first hot side duct
40. First heating device 50, second heat exchanger
501. A second cold side duct 502 and a second hot side duct
51. A second hot gas recovery line 52, a second incineration hot gas recovery line
53. Second desorption concentrated gas conveying pipeline 60 and reflux heat exchanger
601. Return cold side pipe 602 and return hot side pipe
61. Backflow hot gas recovery pipeline 62 and backflow recovery pipeline
621. Fan 70 and dust removal equipment
80. Chimney 81, chimney exhaust line
811. Fan 90 and second heating device
91. A second hot gas delivery line 92, a second outside air inlet line
Detailed Description
Please refer to fig. 1 to 15, which are schematic diagrams illustrating an embodiment of the present invention. And the utility model discloses a best implementation mode of backward flow high efficiency organic waste gas treatment system applies to the organic waste gas treatment system that volatilizees or similar equipment of semiconductor industry, photoelectric industry or the relevant industry of chemistry, and the gas that will burn gets into the adsorption zone cyclic utilization of this absorption runner, and does not pass through this chimney and discharges, makes organic waste gas's treatment effeciency promote.
The present invention relates TO a backflow high efficiency organic waste gas treatment system according TO a first embodiment (shown in fig. 1 TO fig. 5), which is mainly provided with an incineration device 10, an adsorption rotating wheel 20, a first heating device 40 and a backflow heat exchanger 60, wherein the backflow heat exchanger 60 is provided with a backflow cold side pipeline 601 and a backflow hot side pipeline 602, the backflow heat exchanger 60 is connected with a backflow hot gas recovery pipeline 61 and a backflow recovery pipeline 62, the incineration device 10 is provided with at least one air inlet 11 and at least one air outlet 12, and the incineration device 10 is a direct combustion type incinerator (TO), a Regenerative Thermal Oxidizer (RTO) or a catalytic furnace, so that the organic waste gas enters into the combustion from the air inlet 11, and the combusted gas is discharged from the air outlet 12.
The adsorption rotor 20 is a zeolite concentration rotor or a concentration rotor made of other materials, and the adsorption rotor 20 is provided with an adsorption region 201, a cooling region 202 and a desorption region 203, the adsorption rotor 20 is connected to a waste gas inlet pipeline 21, a clean gas discharge pipeline 22, a cooling gas inlet pipeline 23, a cooling gas delivery pipeline 24, a first hot gas delivery pipeline 25 and a first desorption concentration gas pipeline 26, and the other end of the waste gas inlet pipeline 21 is connected to one side a of the adsorption region 201 of the adsorption rotor 20, so that the adsorption region 201 of the adsorption rotor 20 adsorbs waste gas in the waste gas inlet pipeline 21, and one end of the clean gas discharge pipeline 22 is connected to the other side B of the adsorption region 201 of the adsorption rotor 20, so that the waste gas is purified by the adsorption region 201 of the adsorption rotor 20 and then delivered by the clean gas discharge pipeline 22.
In addition, one end of the cooling air inlet pipe 23 is connected to one side a of the cooling area 202 of the sorption rotor 20, and the cooling air inlet pipe 23 has two embodiments, wherein the first embodiment is that the cooling air inlet pipe 23 is used for receiving external air, and the external air is fresh air, so as to deliver the external air into the cooling area 202 of the sorption rotor 20 for cooling, and the second embodiment is that the cooling air inlet pipe 23 is provided with a gas bypass pipe 231, one end of the gas bypass pipe 231 is connected to the cooling air inlet pipe 23, and the other end of the gas bypass pipe 231 is connected to the exhaust gas inlet pipe 21, so as to deliver part of the exhaust gas into the cooling area 202 of the sorption rotor 20 for cooling through the gas bypass pipe 231.
In addition, one end of the cooling gas conveying pipeline 24 is connected to the other side B of the cooling region 202 of the adsorption rotor 20, the other end of the cooling gas conveying pipeline 24 is connected to one end of the first heating device 40, so as to convey the cooling gas in the cooling gas conveying pipeline 24 into the first heating device 40 for heating, the other end of the first heating device 40 is connected to the other end of the first hot gas conveying pipeline 25, one end of the first hot gas conveying pipeline 25 is connected to the other side B of the desorption region 203 of the adsorption rotor 20, one side a of the desorption region 203 of the adsorption rotor 20 is connected to one end of the first desorption concentrated gas pipeline 26, the other end of the first desorption concentrated gas pipeline 26 is connected to the gas inlet 11 of the incineration device 10, so that the hot gas lifted by the first heating device 40 is conveyed to the desorption region 203 of the adsorption rotor 20 through the first hot gas conveying pipeline 25 for desorption, and the desorption concentrated gas desorbed at high temperature is conveyed and conveyed into the gas inlet 11 of the incineration device 10 through the first desorption concentrated gas pipeline 26. In addition, the first heating device 40 is one of a heater or a pipe heater, the heater (not shown) is one of a heating wire, an electric heating tube or an electric heating plate, and the pipe heater (not shown) is one of a gas fuel or a liquid fuel. In addition, the first desorption concentrated gas pipeline 26 is provided with a fan 261 for pumping the desorption concentrated gas in the first desorption concentrated gas pipeline 26.
In addition, the present invention provides a proportional damper between the cooling gas delivery pipeline 24 and the first hot gas delivery pipeline 25 in the first embodiment, and the proportional damper is provided with two implementation designs, wherein the first implementation design is to provide a communication pipeline 27 between the cooling gas delivery pipeline 24 and the first hot gas delivery pipeline 25, and the communication pipeline 27 is provided with a communication control valve 271, the first hot gas delivery pipeline 25 is provided with a hot gas control valve 251, and the proportional damper is formed by the communication control valve 271 and the hot gas control valve 251, and the second implementation design is to provide a communication pipeline 27 between the cooling gas delivery pipeline 24 and the first hot gas delivery pipeline 25, and the communication pipeline 27 is provided with a communication control valve 271, and the cooling gas delivery pipeline 24 is provided with a cooling control valve 241, and the proportional damper is formed by the communication control valve 271 and the cooling control valve 241, therefore, the air force can be adjusted and controlled by the proportional damper designed by the communication control valve 271 and the hot air control valve 251 or the proportional damper designed by the communication control valve 271 and the cooling control valve 241, so that the temperature in the first hot air conveying pipeline 25 can be kept at a certain high temperature and can be provided for the desorption region 203 of the adsorption rotating wheel 20.
In addition, the heat-returning exchanger 60 is connected to a hot-returning gas recycling pipeline 61 and a hot-returning gas recycling pipeline 62, one end of a cold-returning pipeline 601 of the heat-returning exchanger 60 is connected to the other end of the clean gas discharging pipeline 22, one end of the hot-returning pipeline 61 is connected to one end of a hot-returning pipeline 602 of the heat-returning exchanger 60, the other end of the hot-returning pipeline 61 is connected to the gas outlet 12 of the incineration device 10, one end of the hot-returning pipeline 62 is connected to the other end of the hot-returning pipeline 602, and the other end of the hot-returning pipeline 62 is connected to the exhaust gas inlet pipeline 21. In addition, a dust removing device 70 may be respectively disposed on the return hot gas recycling line 61 and the return recycling line 62 of the return heat exchanger 60, or a dust removing device 70 may be disposed on the return hot gas recycling line 61 of the return heat exchanger 60, so that the gas passing through the return hot gas recycling line 61 or the gas passing through the return recycling line 62 may be filtered by the dust removing device 70, wherein the dust removing device 70 is a bag type dust collector, an electric bag type composite dust collector, an inertial dust collector, an electrostatic dust collector, a centrifugal dust collector, a filter cartridge type pulse dust collector, a pulse bag type dust collector, a pulse filter cartridge type dust collector, a pulse blowing bag type dust collector, a wet type dust collector, an electrostatic dust collector, a pulse blowing bag type dust collector, a wet type dust, Wet electrostatic dust collector, water film dust collector, Venturi tube dust collector, cyclone separator, flue dust collector and multi-stage dust collectorThe layer dust collector, the negative pressure back-blowing filter bag dust collector, the low pressure long bag pulse dust collector, the horizontal electrostatic dust collector, the unpowered dust collector, the charged water mist dust collector, the multi-tube cyclone dust collector and the explosion-proof dust collector, and the backflow recovery pipeline 62 of the backflow heat exchanger 60 is provided with a fan 621 to push the gas in the backflow recovery pipeline 62 into the waste gas inlet pipeline 21. Therefore, the gas burned by the incinerator 10 is transported to the return hot side pipeline 602 of the return heat exchanger 60 for heat recovery through the connected return hot gas recovery pipeline 61, and then transported into the dust removing equipment 70 through the return recovery pipeline 62 for dust or silicon dioxide (SiO)2) And after the separation of oxides, finally, the gas output by the dust removal equipment 70 is conveyed into the waste gas inlet pipeline 21, so that the combusted gas enters the adsorption region 201 of the adsorption rotating wheel 20 for cyclic utilization, and is not discharged through the chimney 80, the discharge amount of the chimney 80 is reduced, and the treatment efficiency of the organic waste gas is improved.
The heat exchanger 60 is connected to a chimney 80, the chimney 80 is provided with a chimney exhaust pipe 81, one end of the chimney exhaust pipe 81 is connected to the chimney 80, the other end of the chimney exhaust pipe 81 is connected to the other end of the return cold-side pipe 601 of the heat exchanger 60, so that the purified gas discharged through the purified gas exhaust pipe 22 enters the return cold-side pipe 601 of the heat exchanger 60 for heat exchange, and is then conveyed to the chimney 80 through the chimney exhaust pipe 81 for exhaust, and the chimney exhaust pipe 81 is provided with a fan 811 for pushing the gas in the chimney exhaust pipe 81 into the chimney 80. In addition, the clean gas discharge line 22 is provided with a blower 221 to push the gas in the clean gas discharge line 22 into the return cold side line 601 of the return heat exchanger 60. A purified gas bypass line 222 is disposed beside the purified gas discharge line 22, one end of the purified gas bypass line 222 is connected to the purified gas discharge line 22, and the other end of the purified gas bypass line 222 is connected to the chimney discharge line 81, so that when the purified gas is transported and discharged from the purified gas discharge line 22, the purified gas enters the cold side 601 of the return line of the return heat exchanger 60 for heat exchange, and is also bypassed by the purified gas bypass line 222 connected to the purified gas discharge line 22, so that a part of the purified gas directly flows to the chimney discharge line 81 and is discharged through the chimney 80. In addition, the net gas bypass line 222 is provided with a net gas bypass control valve 2221, so as to adjust the air volume of the purified gas delivered from the net gas discharge line 22 through the net gas bypass control valve 2221, thereby achieving the function of adjustment and control.
And the utility model discloses the absorption runner 20 in the first embodiment is equipped with a high temperature desorption district 204 except that adsorption zone 201, cooling space 202 and desorption district 203 are equipped with, and this high temperature desorption district 204 is equipped with a high temperature desorption concentrated gas pipeline 28 and a high temperature hot gas pipeline 29 to when being used for online operation (ON LINE), can deviate from remaining high boiling organic matter (VOC), make this absorption runner 20 resume its adsorption efficiency, make this absorption runner 20 have four regions. And one side a of the high temperature desorption region 204 of the adsorption rotor 20 is connected to the high temperature desorption concentrated gas pipeline 28, and the other end of the high temperature desorption concentrated gas pipeline 28 is connected to the first desorption concentrated gas pipeline 26, so as to transport the high temperature desorption concentrated gas desorbed from the high temperature desorption region 204 of the adsorption rotor 20 to the first desorption concentrated gas pipeline 26 through the high temperature desorption concentrated gas pipeline 28, and the other side B of the high temperature desorption region 204 of the adsorption rotor 20 is connected to one end of the high temperature hot gas pipeline 29, wherein the high temperature hot gas pipeline 29 has two implementation forms, wherein the first implementation form is that the other end of the high temperature hot gas pipeline 29 is connected to a second heating device 90, the second heating device 90 is provided with a second hot gas conveying pipeline 91, one end of the second hot gas conveying pipeline 91 is connected to the first hot gas conveying pipeline 25, the other end of the second hot gas delivery line 91 is connected to the second heating device 90. In another second embodiment, the other end of the high temperature hot air pipeline 29 is connected to a second heating device 90, the second heating device 90 is provided with a second external air inlet pipeline 92, the other end of the second external air inlet pipeline 92 is connected to the second heating device 90, and the second external air inlet pipeline 92 is used for fresh air or external air to enter. The second heating device 90 is one of a heater and a pipe heater, the heater (not shown) is one of a heating wire, an electric heating tube or an electric heating sheet, and the pipe heater (not shown) is one of a gas fuel or a liquid fuel, so that the temperature of the high-temperature hot gas entering the high-temperature desorption region 204 of the adsorption rotor 20 reaches a certain temperature (e.g. 300 ℃) for high-temperature desorption.
The system for treating organic waste gas with high efficiency by backflow according TO the second embodiment of the present invention (as shown in fig. 6 TO 10) is mainly provided with an incineration device 10, an adsorption rotor 20, a first heating device 40, a second heat exchanger 50 and a backflow heat exchanger 60, wherein the second heat exchanger 50 is provided with a second cold side pipeline 501 and a second hot side pipeline 502, the second heat exchanger 50 is connected with a second incineration hot gas recycling pipeline 52 and a second desorption concentrated gas delivery pipeline 53, the backflow heat exchanger 60 is provided with a backflow cold side pipeline 601 and a backflow hot side pipeline 602, the backflow heat exchanger 60 is connected with a backflow hot gas recycling pipeline 61 and a backflow recycling pipeline 62, the incineration device 10 is provided with at least one air inlet 11 and at least one air outlet 12, and the incineration device 10 is one of a direct combustion type incinerator (TO), a regenerative type incinerator (RTO) or a catalytic furnace, the organic waste gas enters the combustion from the gas inlet 11, and the combusted gas is discharged from the gas outlet 12.
The adsorption rotor 20 is a zeolite concentration rotor or a concentration rotor made of other materials, and the adsorption rotor 20 is provided with an adsorption region 201, a cooling region 202 and a desorption region 203, the adsorption rotor 20 is connected to a waste gas inlet pipeline 21, a clean gas discharge pipeline 22, a cooling gas inlet pipeline 23, a cooling gas delivery pipeline 24, a first hot gas delivery pipeline 25 and a first desorption concentration gas pipeline 26, and the other end of the waste gas inlet pipeline 21 is connected to one side a of the adsorption region 201 of the adsorption rotor 20, so that the adsorption region 201 of the adsorption rotor 20 adsorbs waste gas in the waste gas inlet pipeline 21, and one end of the clean gas discharge pipeline 22 is connected to the other side B of the adsorption region 201 of the adsorption rotor 20, so that the waste gas is purified by the adsorption region 201 of the adsorption rotor 20 and then delivered by the clean gas discharge pipeline 22.
In addition, one end of the cooling air inlet pipe 23 is connected to one side a of the cooling area 202 of the sorption rotor 20, and the cooling air inlet pipe 23 has two embodiments, wherein the first embodiment is that the cooling air inlet pipe 23 is used for receiving external air, and the external air is fresh air, so as to deliver the external air into the cooling area 202 of the sorption rotor 20 for cooling, and the second embodiment is that the cooling air inlet pipe 23 is provided with a gas bypass pipe 231, one end of the gas bypass pipe 231 is connected to the cooling air inlet pipe 23, and the other end of the gas bypass pipe 231 is connected to the exhaust air inlet pipe 21, so as to deliver part of the exhaust air into the cooling area 202 of the sorption rotor 20 for cooling through the gas bypass pipe 231.
And one end of the cooling gas delivery pipe 24 is connected to the other side B of the cooling zone 202 of the adsorption rotor 20, and the other end of the cooling gas delivery pipe 24 is connected to one end of the first heating means 40, so as to convey the cooling air in the cooling air conveying pipeline 24 to the first heating device 40 for heating, the other end of the first heating means 40 is connected to the other end of the first hot gas delivery line 25, and one end of the first hot gas delivery line 25 is connected to the other side B of the desorption region 203 of the adsorption rotor 20, and one side a of the desorption region 203 of the adsorption rotor 20 is connected to one end of the first desorption concentrated gas pipeline 26, so that the hot gas lifted by the first heating device 40 is transmitted to the desorption region 203 of the adsorption rotor 20 for desorption through the first hot gas transmission pipeline 25, and the desorption concentrated gas desorbed at high temperature is transported through the first desorption concentrated gas pipeline 26. In addition, the first heating device 40 is one of a heater or a pipe heater, the heater (not shown) is one of a heating wire, an electric heating tube or an electric heating sheet, and the pipe heater (not shown) is one of a gas fuel or a liquid fuel. In addition, the first desorption concentrated gas pipeline 26 is provided with a fan 261 for pumping the desorption concentrated gas in the first desorption concentrated gas pipeline 26.
In addition, in the second embodiment of the present invention, a proportional damper is provided between the cooling gas delivery pipeline 24 and the first hot gas delivery pipeline 25, and the proportional damper is provided with two implementation designs, wherein the first implementation design is that a communication pipeline 27 is provided between the cooling gas delivery pipeline 24 and the first hot gas delivery pipeline 25, and the communication pipeline 27 is provided with a communication control valve 271, the first hot gas delivery pipeline 25 is provided with a hot gas control valve 251, and the proportional damper is formed by the communication control valve 271 and the hot gas control valve 251, and the second implementation design is that a communication pipeline 27 is provided between the cooling gas delivery pipeline 24 and the first hot gas delivery pipeline 25, and the communication pipeline 27 is provided with a communication control valve 271, and the cooling gas delivery pipeline 24 is provided with a cooling control valve 241, and the proportional damper is formed by the communication control valve 271 and the cooling control valve 241, therefore, the air force can be adjusted and controlled by the proportional damper designed by the communication control valve 271 and the hot air control valve 251 or the proportional damper designed by the communication control valve 271 and the cooling control valve 241, so that the temperature in the first hot air conveying pipeline 25 can be kept at a certain high temperature and can be provided for the desorption region 203 of the adsorption rotating wheel 20.
In addition, the second heat exchanger 50 is connected to a second incinerated hot gas recycling pipeline 52 and a second desorption concentrated gas conveying pipeline 53, wherein one end of the second incinerated hot gas recycling pipeline 52 is connected to one end of a second hot side pipeline 502 of the second heat exchanger 50, the other end of the second incinerated hot gas recycling pipeline 52 is connected to the gas outlet 12 of the incinerating device 10, one end of the first desorption concentrated gas pipeline 26 is connected to the other end of a second cold side pipeline 501 of the second heat exchanger 50, one end of the second desorption concentrated gas conveying pipeline 53 is connected to one end of the second cold side pipeline 501 of the second heat exchanger 50, and the other end of the second desorption concentrated gas conveying pipeline 53 is connected to the gas inlet 11 of the incinerating device 10. Therefore, the desorbed concentrated gas conveyed through the second cold-side pipeline 501 of the second heat exchanger 50 is conveyed to the gas inlet 11 of the incineration device 10 through the second desorbed concentrated gas conveying pipeline 53, and the gas combusted by the incineration device 10 is conveyed from the gas outlet 12 to the second hot-side pipeline 502 of the second heat exchanger 50 through the second incinerated hot gas recovery pipeline 52 for heat recovery.
In addition, the heat-returning heat exchanger 60 is connected to a hot-returning gas recycling pipeline 61 and a hot-returning gas recycling pipeline 62, one end of a cold-returning pipeline 601 of the heat-returning heat exchanger 60 is connected to the other end of the clean gas discharging pipeline 22, one end of the hot-returning pipeline 61 is connected to one end of a hot-returning pipeline 602 of the heat-returning heat exchanger 60, the other end of the hot-returning pipeline 61 is connected to the other end of the second hot-side pipeline 502 of the second heat exchanger 50, one end of the hot-returning pipeline 62 is connected to the other end of the hot-returning pipeline 602, and the other end of the hot-returning pipeline 62 is connected to the exhaust gas inlet pipeline 21. In addition, a dust removing device 70 may be respectively disposed on the return hot gas recycling line 61 and the return recycling line 62 of the return heat exchanger 60, or a dust removing device 70 may be disposed on the return hot gas recycling line 61 of the return heat exchanger 60, so that the gas passing through the return hot gas recycling line 61 or the gas passing through the return recycling line 62 may be filtered by the dust removing device 70, wherein the dust removing device 70 is a bag type dust collector, an electric bag type composite dust collector, an inertial dust collector, an electrostatic dust collector, a centrifugal dust collector, a filter cartridge type pulse dust collector, a pulse bag type dust collector, a pulse filter cartridge type dust collector, a pulse blowing bag type dust collector, a wet type dust collector, an electrostatic dust collector, a pulse blowing bag type dust collector, a wet type dust, One of a wet electrostatic precipitator, a water film precipitator, a venturi tube precipitator, a cyclone separator, a flue precipitator, a multilayer precipitator, a negative pressure reverse blowing filter bag precipitator, a low pressure long bag pulse precipitator, a horizontal electrostatic precipitator, a unpowered precipitator, a charged water mist precipitator, a multi-tube cyclone precipitator and an explosion-proof precipitator, and the backflow recovery pipeline 62 of the backflow heat exchanger 60 is provided with a fan 621 to push the gas in the backflow recovery pipeline 62 into the waste gas inlet pipeline 21. Thereby, the gas burned by the direct burner 10 is transferred from the hot gas return pipe 61 connected to the second hot side pipe 502 of the second heat exchanger 50 to the hot side return pipe 602 of the heat exchanger 60 for heatingRecovered and then transported to the dust removing device 70 through the return recovery line 62 to perform dust or Silica (SiO) removal2) And after the separation of oxides, finally, the gas output by the dust removal equipment 70 is conveyed into the waste gas inlet pipeline 21, so that the combusted gas enters the adsorption region 201 of the adsorption rotating wheel 20 for cyclic utilization, and is not discharged through the chimney 80, the discharge amount of the chimney 80 is reduced, and the treatment efficiency of the organic waste gas is improved.
The heat exchanger 60 is connected to a chimney 80, the chimney 80 is provided with a chimney exhaust pipe 81, one end of the chimney exhaust pipe 81 is connected to the chimney 80, the other end of the chimney exhaust pipe 81 is connected to the other end of the return cold-side pipe 601 of the heat exchanger 60, so that the purified gas discharged through the purified gas exhaust pipe 22 enters the return cold-side pipe 601 of the heat exchanger 60 for heat exchange, and is then conveyed to the chimney 80 through the chimney exhaust pipe 81 for exhaust, and the chimney exhaust pipe 81 is provided with a fan 811 for pushing the gas in the chimney exhaust pipe 81 into the chimney 80. In addition, the clean gas discharge line 22 is provided with a blower 221 to push the gas in the clean gas discharge line 22 into the return cold side line 601 of the return heat exchanger 60. A purified gas bypass line 222 is disposed beside the purified gas discharge line 22, one end of the purified gas bypass line 222 is connected to the purified gas discharge line 22, and the other end of the purified gas bypass line 222 is connected to the chimney discharge line 81, so that when the purified gas is transported and discharged from the purified gas discharge line 22, the purified gas enters the cold side 601 of the return line of the return heat exchanger 60 for heat exchange, and is also bypassed by the purified gas bypass line 222 connected to the purified gas discharge line 22, so that a part of the purified gas directly flows to the chimney discharge line 81 and is discharged through the chimney 80. In addition, the net gas bypass line 222 is provided with a net gas bypass control valve 2221, so as to adjust the air volume of the purified gas delivered from the net gas discharge line 22 through the net gas bypass control valve 2221, thereby achieving the function of adjustment and control.
And the utility model discloses the absorption runner 20 in the second embodiment is equipped with a high temperature desorption district 204 except that adsorption zone 201, cooling space 202 and desorption district 203 are equipped with, and this high temperature desorption district 204 is equipped with a high temperature desorption concentrated gas pipeline 28 and a high temperature hot gas pipeline 29 to when being used for ON-LINE operation (ON LINE), can deviate from remaining high boiling organic matter (VOC), make this absorption runner 20 resume its adsorption efficiency, make this absorption runner 20 have four regions. And one side a of the high temperature desorption region 204 of the adsorption rotor 20 is connected to the high temperature desorption concentrated gas pipeline 28, and the other end of the high temperature desorption concentrated gas pipeline 28 is connected to the first desorption concentrated gas pipeline 26, so as to transport the high temperature desorption concentrated gas desorbed from the high temperature desorption region 204 of the adsorption rotor 20 to the first desorption concentrated gas pipeline 26 through the high temperature desorption concentrated gas pipeline 28, and the other side B of the high temperature desorption region 204 of the adsorption rotor 20 is connected to one end of the high temperature hot gas pipeline 29, wherein the high temperature hot gas pipeline 29 has two implementation forms, wherein the first implementation form is that the other end of the high temperature hot gas pipeline 29 is connected to a second heating device 90, the second heating device 90 is provided with a second hot gas conveying pipeline 91, one end of the second hot gas conveying pipeline 91 is connected to the first hot gas conveying pipeline 25, the other end of the second hot gas delivery line 91 is connected to the second heating device 90. In another second embodiment, the other end of the high temperature hot air pipeline 29 is connected to a second heating device 90, the second heating device 90 is provided with a second external air inlet pipeline 92, the other end of the second external air inlet pipeline 92 is connected to the second heating device 90, and the second external air inlet pipeline 92 is used for fresh air or external air to enter. The second heating device 90 is one of a heater and a pipe heater, the heater (not shown) is one of a heating wire, an electric heating tube or an electric heating sheet, and the pipe heater (not shown) is one of a gas fuel or a liquid fuel, so that the temperature of the high-temperature hot gas entering the high-temperature desorption region 204 of the adsorption rotor 20 reaches a certain temperature (e.g. 300 ℃) for high-temperature desorption.
The system for treating organic waste gas with high efficiency by back flow according to the third embodiment of the present invention (as shown in fig. 11 to fig. 15) is mainly provided with an incineration device 10, an adsorption wheel 20, a first heat exchanger 30, a second heat exchanger 50 and a back flow heat exchanger 60, wherein the first heat exchanger 30 is provided with a first cold side pipeline 301 and a first hot side pipeline 302, the second heat exchanger 50 is provided with a second cold side pipeline 501 and a second hot side pipeline 502, the second heat exchanger 50 is connected with a second hot gas recovery pipeline 51, a second incineration hot gas recovery pipeline 52 and a second desorption concentrated gas conveying pipeline 53, the back flow heat exchanger 60 is provided with a cold side back flow pipeline 601 and a back flow hot side pipeline 602, the back flow heat exchanger 60 is connected with a back flow hot gas recovery pipeline 61 and a back flow recovery pipeline 62, and the incineration device 10 is provided with at least one air inlet 11 and at least one air outlet 12, the incinerator 10 is one of a direct-fired incinerator (TO), a Regenerative Thermal Oxidizer (RTO), or a catalytic furnace, so that the organic waste gas enters the incinerator through the gas inlet 11 for combustion, and the combusted gas is discharged through the gas outlet 12.
The adsorption rotor 20 is a zeolite concentration rotor or a concentration rotor made of other materials, and the adsorption rotor 20 is provided with an adsorption region 201, a cooling region 202 and a desorption region 203, the adsorption rotor 20 is connected to a waste gas inlet pipeline 21, a clean gas discharge pipeline 22, a cooling gas inlet pipeline 23, a cooling gas delivery pipeline 24, a first hot gas delivery pipeline 25 and a first desorption concentration gas pipeline 26, and the other end of the waste gas inlet pipeline 21 is connected to one side a of the adsorption region 201 of the adsorption rotor 20, so that the adsorption region 201 of the adsorption rotor 20 adsorbs waste gas in the waste gas inlet pipeline 21, and one end of the clean gas discharge pipeline 22 is connected to the other side B of the adsorption region 201 of the adsorption rotor 20, so that the waste gas is purified by the adsorption region 201 of the adsorption rotor 20 and then delivered by the clean gas discharge pipeline 22.
In addition, one end of the cooling air inlet pipe 23 is connected to one side a of the cooling area 202 of the sorption rotor 20, and the cooling air inlet pipe 23 has two embodiments, wherein the first embodiment is that the cooling air inlet pipe 23 is used for receiving external air, and the external air is fresh air, so as to deliver the external air into the cooling area 202 of the sorption rotor 20 for cooling, and the second embodiment is that the cooling air inlet pipe 23 is provided with a gas bypass pipe 231, one end of the gas bypass pipe 231 is connected to the cooling air inlet pipe 23, and the other end of the gas bypass pipe 231 is connected to the exhaust air inlet pipe 21, so as to deliver part of the exhaust air into the cooling area 202 of the sorption rotor 20 for cooling through the gas bypass pipe 231.
In addition, one end of the cooling gas conveying pipeline 24 is connected to the other side B of the cooling region 202 of the adsorption rotor 20, the other end of the cooling gas conveying pipeline 24 is connected to one end of the first cold-side pipeline 301 of the first heat exchanger 30, so as to convey the cooling gas in the cooling gas conveying pipeline 24 into the first heat exchanger 30 for heat exchange, the other end of the first cold-side pipeline 301 of the first heat exchanger 30 is connected to the other end of the first hot gas conveying pipeline 25, one end of the first hot gas conveying pipeline 25 is connected to the other side B of the desorption region 203 of the adsorption rotor 20, one side a of the desorption region 203 of the adsorption rotor 20 is connected to one end of the first desorption concentrated gas pipeline 26, so that the hot gas lifted by the first heat exchanger 30 is conveyed to the desorption region 203 of the adsorption rotor 20 for desorption through the first hot gas conveying pipeline 25, and the desorption concentrated gas desorbed at high temperature is transported through the first desorption concentrated gas pipeline 26. In addition, the first desorption concentrated gas pipeline 26 is provided with a fan 261 for pumping the desorption concentrated gas in the first desorption concentrated gas pipeline 26.
In addition, the third embodiment of the present invention provides a proportional damper between the cooling gas delivery pipeline 24 and the first hot gas delivery pipeline 25, and the proportional damper has two implementation designs, wherein the first implementation design is to provide a communication pipeline 27 between the cooling gas delivery pipeline 24 and the first hot gas delivery pipeline 25, and the communication pipeline 27 is provided with a communication control valve 271, the first hot gas delivery pipeline 25 is provided with a hot gas control valve 251, and the proportional damper is formed by the communication control valve 271 and the hot gas control valve 251, and the second implementation design is to provide a communication pipeline 27 between the cooling gas delivery pipeline 24 and the first hot gas delivery pipeline 25, and the communication pipeline 27 is provided with a communication control valve 271, and the cooling gas delivery pipeline 24 is provided with a cooling control valve 241, and the proportional damper is formed by the communication control valve 271 and the cooling control valve 241, therefore, the air force can be adjusted and controlled by the proportional damper designed by the communication control valve 271 and the hot air control valve 251 or the proportional damper designed by the communication control valve 271 and the cooling control valve 241, so that the temperature in the first hot air conveying pipeline 25 can be kept at a certain high temperature and can be provided for the desorption region 203 of the adsorption rotating wheel 20.
In addition, the second heat exchanger 50 is connected to a second hot gas recovery pipeline 51, a second burned hot gas recovery pipeline 52 and a second desorption concentrated gas delivery pipeline 53, wherein one end of the second burned hot gas recovery pipeline 52 is connected to one end of the second hot side pipeline 502 of the second heat exchanger 50, the other end of the second burned hot gas recovery pipeline 52 is connected to the gas outlet 12 of the burning device 10, one end of the second hot gas recovery pipeline 51 is connected to the other end of the second hot side pipeline 502 of the second heat exchanger 50, the other end of the second hot gas recovery pipeline 51 is connected to one end of the first hot side pipeline 302 of the first heat exchanger 30, one end of the first desorption concentrated gas pipeline 26 is connected to the other end of the second cold side pipeline 501 of the second heat exchanger 50, one end of the second desorption concentrated gas delivery pipeline 53 is connected to one end of the second cold side pipeline 501 of the second heat exchanger 50, the other end of the second desorption concentrated gas delivery pipe 53 is connected to the gas inlet 11 of the incineration device 10. Therefore, the desorbed concentrated gas conveyed through the second cold-side pipeline 501 of the second heat exchanger 50 is conveyed to the gas inlet 11 of the incineration device 10 through the second desorbed concentrated gas conveying pipeline 53, and the gas combusted by the incineration device 10 is conveyed from the gas outlet 12 to the second hot-side pipeline 502 of the second heat exchanger 50 through the second incinerated hot gas recovery pipeline 52 for heat recovery, and conveyed to the first hot-side pipeline 302 of the first heat exchanger 30 through the second hot gas recovery pipeline 51 for heat recovery.
In addition, the return heat exchanger 60 is connected to a return hot gas recovery line 61 and a return recovery line 62, and a return cold side line 601 of the return heat exchanger 60The end of the return hot gas recovery pipeline 61 is connected to one end of the return hot side pipeline 602 of the return heat exchanger 60, the other end of the return hot gas recovery pipeline 61 is connected to the other end of the first hot side pipeline 302 of the first heat exchanger 30, one end of the return recovery pipeline 62 is connected to the other end of the return hot side pipeline 602, and the other end of the return recovery pipeline 62 is connected to the exhaust gas inlet pipeline 21. In addition, a dust removing device 70 may be respectively disposed on the return hot gas recycling line 61 and the return recycling line 62 of the return heat exchanger 60, or a dust removing device 70 may be disposed on the return hot gas recycling line 61 of the return heat exchanger 60, so that the gas passing through the return hot gas recycling line 61 or the gas passing through the return recycling line 62 may be filtered by the dust removing device 70, wherein the dust removing device 70 is a bag type dust collector, an electric bag type composite dust collector, an inertial dust collector, an electrostatic dust collector, a centrifugal dust collector, a filter cartridge type pulse dust collector, a pulse bag type dust collector, a pulse filter cartridge type dust collector, a pulse blowing bag type dust collector, a wet type dust collector, an electrostatic dust collector, a pulse blowing bag type dust collector, a wet type dust, One of a wet electrostatic precipitator, a water film precipitator, a venturi tube precipitator, a cyclone separator, a flue precipitator, a multilayer precipitator, a negative pressure reverse blowing filter bag precipitator, a low pressure long bag pulse precipitator, a horizontal electrostatic precipitator, a unpowered precipitator, a charged water mist precipitator, a multi-tube cyclone precipitator and an explosion-proof precipitator, and the backflow recovery pipeline 62 of the backflow heat exchanger 60 is provided with a fan 621 to push the gas in the backflow recovery pipeline 62 into the waste gas inlet pipeline 21. Therefore, the gas burned by the direct burning device 10 is transferred from the second hot side pipeline 502 of the second heat exchanger 50 to the first hot side pipeline 302 of the first heat exchanger 30, then transferred to the return hot side pipeline 602 of the return heat exchanger 60 through the return hot gas recovery pipeline 61 for heat recovery, and then transferred to the dust removing equipment 70 through the return recovery pipeline 62 for dust or silicon dioxide (SiO)2) Separating the oxides and finallyThe gas output from the dust removing device 70 is delivered into the waste gas inlet pipe 21, so that the combusted gas enters the adsorption region 201 of the adsorption rotor 20 for cyclic utilization, and is not discharged through the chimney 80, the discharge amount of the chimney 80 is reduced, and the treatment efficiency of the organic waste gas is improved.
The heat exchanger 60 is connected to a chimney 80, the chimney 80 is provided with a chimney exhaust pipe 81, one end of the chimney exhaust pipe 81 is connected to the chimney 80, the other end of the chimney exhaust pipe 81 is connected to the other end of the return cold-side pipe 601 of the heat exchanger 60, so that the purified gas discharged through the purified gas exhaust pipe 22 enters the return cold-side pipe 601 of the heat exchanger 60 for heat exchange, and is then conveyed to the chimney 80 through the chimney exhaust pipe 81 for exhaust, and the chimney exhaust pipe 81 is provided with a fan 811 for pushing the gas in the chimney exhaust pipe 81 into the chimney 80. In addition, the clean gas discharge line 22 is provided with a blower 221 to push the gas in the clean gas discharge line 22 into the return cold side line 601 of the return heat exchanger 60. A purified gas bypass line 222 is disposed beside the purified gas discharge line 22, one end of the purified gas bypass line 222 is connected to the purified gas discharge line 22, and the other end of the purified gas bypass line 222 is connected to the chimney discharge line 81, so that when the purified gas is transported and discharged from the purified gas discharge line 22, the purified gas enters the cold side 601 of the return line of the return heat exchanger 60 for heat exchange, and is also bypassed by the purified gas bypass line 222 connected to the purified gas discharge line 22, so that a part of the purified gas directly flows to the chimney discharge line 81 and is discharged through the chimney 80. In addition, the net gas bypass line 222 is provided with a net gas bypass control valve 2221, so as to adjust the air volume of the purified gas delivered from the net gas discharge line 22 through the net gas bypass control valve 2221, thereby achieving the function of adjustment and control.
And the utility model discloses the absorption runner 20 in the third embodiment is equipped with a high temperature desorption district 204 except that adsorption zone 201, cooling space 202 and desorption district 203 are equipped with, this high temperature desorption district 204 is equipped with a high temperature desorption concentrated gas pipeline 28 and a high temperature hot gas pipeline 29 to when being used for online operation (ON LINE), can deviate from remaining high boiling organic matter (VOC), make this absorption runner 20 resume its adsorption efficiency, make this absorption runner 20 have four regions. And one side a of the high temperature desorption region 204 of the adsorption rotor 20 is connected to the high temperature desorption concentrated gas pipeline 28, and the other end of the high temperature desorption concentrated gas pipeline 28 is connected to the first desorption concentrated gas pipeline 26, so as to transport the high temperature desorption concentrated gas desorbed from the high temperature desorption region 204 of the adsorption rotor 20 to the first desorption concentrated gas pipeline 26 through the high temperature desorption concentrated gas pipeline 28, and the other side B of the high temperature desorption region 204 of the adsorption rotor 20 is connected to one end of the high temperature hot gas pipeline 29, wherein the high temperature hot gas pipeline 29 has two implementation forms, wherein the first implementation form is that the other end of the high temperature hot gas pipeline 29 is connected to a second heating device 90, the second heating device 90 is provided with a second hot gas conveying pipeline 91, one end of the second hot gas conveying pipeline 91 is connected to the first hot gas conveying pipeline 25, the other end of the second hot gas delivery line 91 is connected to the second heating device 90. In another second embodiment, the other end of the high temperature hot air pipeline 29 is connected to a second heating device 90, the second heating device 90 is provided with a second external air inlet pipeline 92, the other end of the second external air inlet pipeline 92 is connected to the second heating device 90, and the second external air inlet pipeline 92 is used for fresh air or external air to enter. The second heating device 90 is one of a heater and a pipe heater, the heater (not shown) is one of a heating wire, an electric heating tube or an electric heating sheet, and the pipe heater (not shown) is one of a gas fuel or a liquid fuel, so that the temperature of the high-temperature hot gas entering the high-temperature desorption region 204 of the adsorption rotor 20 reaches a certain temperature (e.g. 300 ℃) for high-temperature desorption.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (21)
1. A refluxing high-efficiency organic waste gas treatment system, comprising:
the incineration device is provided with at least one air inlet and at least one air outlet;
an adsorption runner, the adsorption runner is provided with an adsorption area, a cooling area and a desorption area, the adsorption runner is connected with a waste gas inlet pipeline, a clean gas discharge pipeline, a cooling gas inlet pipeline, a cooling gas conveying pipeline, a first hot gas conveying pipeline and a first desorption concentrated gas pipeline, the other end of the waste gas inlet pipeline is connected to one side of the adsorption area of the adsorption runner, one end of the clean gas discharge pipeline is connected with the other side of the adsorption area of the adsorption runner, one end of the cooling gas inlet pipeline is connected with one side of the cooling area of the adsorption runner, one end of the cooling gas conveying pipeline is connected with the other side of the cooling area of the adsorption runner, one end of the first hot gas conveying pipeline is connected with the other side of the desorption area of the adsorption runner, one end of the first desorption concentrated gas pipeline is connected with one side of the desorption area of the adsorption runner, the other end of the first desorption concentrated gas pipeline is connected with an air inlet of the incineration device;
the first heating device is connected with the other end of the cooling gas conveying pipeline, and the other end of the first heating device is connected with the other end of the first hot gas conveying pipeline; and
a heat exchanger flows back, this heat exchanger flows back is equipped with backward flow cold side pipeline and backward flow hot side pipeline, this heat exchanger flows back is connected with a backward flow steam recovery pipeline and a backward flow recovery pipeline, the one end of this backward flow cold side pipeline is connected with the other end of this net gas emission pipeline, the one end of this backward flow steam recovery pipeline is connected with the one end of this backward flow hot side pipeline, the other end of this backward flow steam recovery pipeline is connected with the gas outlet that should burn the device, the one end of this backward flow heat side pipeline is connected with the other end of this backward flow hot side pipeline, the other end and this waste gas admission pipe connection of this backward flow recovery pipeline.
2. A refluxing high-efficiency organic waste gas treatment system, comprising:
the incineration device is provided with at least one air inlet and at least one air outlet;
an adsorption rotating wheel, which is provided with an adsorption area, a cooling area and a desorption area, and is connected with a waste gas inlet pipeline, a clean gas discharge pipeline, a cooling gas inlet pipeline, a cooling gas conveying pipeline, a first hot gas conveying pipeline and a first desorption concentrated gas pipeline, the other end of the waste gas inlet pipeline is connected to one side of the adsorption area of the adsorption rotating wheel, one end of the purified gas discharge pipeline is connected with the other side of the adsorption area of the adsorption rotating wheel, one end of the cooling gas inlet pipeline is connected with one side of the cooling area of the adsorption rotating wheel, one end of the cooling gas conveying pipeline is connected with the other side of the cooling area of the adsorption rotating wheel, one end of the first hot gas conveying pipeline is connected with the other side of the desorption area of the adsorption rotating wheel, and one end of the first desorption concentrated gas pipeline is connected with one side of the desorption area of the adsorption rotating wheel;
the first heating device is connected with the other end of the cooling gas conveying pipeline, and the other end of the first heating device is connected with the other end of the first hot gas conveying pipeline;
the second heat exchanger is provided with a second cold side pipeline and a second hot side pipeline, the second heat exchanger is connected with a second incineration hot gas recovery pipeline and a second desorption concentrated gas conveying pipeline, one end of the second incineration hot gas recovery pipeline is connected with one end of the second hot side pipeline, the other end of the second incineration hot gas recovery pipeline is connected with a gas outlet of the incineration device, one end of the first desorption concentrated gas pipeline is connected with the other end of the second cold side pipeline, one end of the second desorption concentrated gas conveying pipeline is connected with one end of the second cold side pipeline, and the other end of the second desorption concentrated gas conveying pipeline is connected with a gas inlet of the incineration device; and
a reflux heat exchanger, this reflux heat exchanger is equipped with backward flow cold side pipeline and backward flow hot side pipeline, this reflux heat exchanger is connected with a backward flow hot gas recovery pipeline and a backward flow recovery pipeline, the one end of this backward flow cold side pipeline is connected with the other end of this net gas emission pipeline, the one end of this backward flow hot gas recovery pipeline is connected with the one end of this backward flow hot side pipeline, the other end of this backward flow hot gas recovery pipeline is connected with the other end of this second heat exchanger's second hot side pipeline, the one end of this backward flow recovery pipeline is connected with the other end of this backward flow hot side pipeline, the other end of this backward flow recovery pipeline is connected with this waste gas admission line.
3. The system of claim 1 or 2, wherein the first heating device is one of a heater or a pipe heater, the heater uses one of heating wires, electric heating tubes or electric heating plates, and the pipe heater uses one of a gas fuel or a liquid fuel.
4. A refluxing high-efficiency organic waste gas treatment system, comprising:
the incineration device is provided with at least one air inlet and at least one air outlet;
an adsorption rotating wheel, which is provided with an adsorption area, a cooling area and a desorption area, and is connected with a waste gas inlet pipeline, a clean gas discharge pipeline, a cooling gas inlet pipeline, a cooling gas conveying pipeline, a first hot gas conveying pipeline and a first desorption concentrated gas pipeline, the other end of the waste gas inlet pipeline is connected to one side of the adsorption area of the adsorption rotating wheel, one end of the purified gas discharge pipeline is connected with the other side of the adsorption area of the adsorption rotating wheel, one end of the cooling gas inlet pipeline is connected with one side of the cooling area of the adsorption rotating wheel, one end of the cooling gas conveying pipeline is connected with the other side of the cooling area of the adsorption rotating wheel, one end of the first hot gas conveying pipeline is connected with the other side of the desorption area of the adsorption rotating wheel, and one end of the first desorption concentrated gas pipeline is connected with one side of the desorption area of the adsorption rotating wheel;
the first heat exchanger is provided with a first cold side pipeline and a first hot side pipeline, one end of the first cold side pipeline is connected with the other end of the cooling gas conveying pipeline, and the other end of the first cold side pipeline is connected with the other end of the first hot gas conveying pipeline;
a second heat exchanger provided with a second cold side pipeline and a second hot side pipeline, the second heat exchanger is connected with a second hot gas recovery pipeline, a second incineration hot gas recovery pipeline and a second desorption concentrated gas conveying pipeline, one end of the second incineration hot gas recovery pipeline is connected with one end of the second hot side pipeline, the other end of the second incineration hot gas recovery pipeline is connected with the gas outlet of the incineration device, one end of the second hot gas recovery pipeline is connected with the other end of the second hot side pipeline, the other end of the second hot gas recovery pipeline is connected with one end of the first hot side pipeline of the first heat exchanger, one end of the first desorption concentrated gas pipeline is connected with the other end of the second cold-side pipeline, one end of the second desorption concentrated gas conveying pipeline is connected with one end of the second cold-side pipeline, the other end of the second desorption concentrated gas conveying pipeline is connected with the gas inlet of the incineration device; and
a reflux heat exchanger, this reflux heat exchanger is equipped with backward flow cold side pipeline and backward flow hot side pipeline, this reflux heat exchanger is connected with a backward flow hot gas recovery pipeline and a backward flow recovery pipeline, the one end of this backward flow cold side pipeline is connected with the other end of this net gas emission pipeline, the one end of this backward flow hot gas recovery pipeline is connected with the one end of this backward flow hot side pipeline, the other end of this backward flow hot gas recovery pipeline is connected with the other end of this first heat exchanger's first hot side pipeline, the one end of this backward flow recovery pipeline is connected with the other end of this backward flow hot side pipeline, the other end of this backward flow recovery pipeline is connected with this waste gas admission line.
5. The system according to claim 1, 2 or 4, wherein the adsorption rotor further comprises a high temperature desorption region, the high temperature desorption region comprises a high temperature desorption concentrated gas pipeline and a high temperature hot gas pipeline, one end of the high temperature desorption concentrated gas pipeline is connected to one side of the high temperature desorption region of the adsorption rotor, the other end of the high temperature desorption concentrated gas pipeline is connected to the first desorption concentrated gas pipeline, and one end of the high temperature hot gas pipeline is connected to the other side of the high temperature desorption region of the adsorption rotor.
6. The system of claim 5, wherein the other end of the high temperature hot gas pipeline is further connected to a second heating device, the second heating device is provided with a second hot gas delivery pipeline, one end of the second hot gas delivery pipeline is connected to the first hot gas delivery pipeline, and the other end of the second hot gas delivery pipeline is connected to the second heating device.
7. The system of claim 5, wherein the other end of the high temperature hot gas pipeline is further connected to a second heating device, the second heating device is provided with a second external gas inlet pipeline, the other end of the second external gas inlet pipeline is connected to the second heating device, and the second external gas inlet pipeline is further supplied with fresh air or external gas.
8. The system of claim 6 or 7, wherein the second heating device is one of a heater or a pipe heater, the heater uses one of heating wires, electric heating tubes or electric heating plates, and the pipe heater uses one of a gas fuel or a liquid fuel.
9. The system of claim 1, 2 or 4, wherein the incinerator is one of a direct-fired incinerator, a regenerative incinerator or a catalytic furnace.
10. The refluxing high-efficiency organic waste gas treating system according to claim 1, 2 or 4, wherein the refluxing heat exchanger is further connected to a chimney, the chimney is provided with a chimney discharge pipeline, one end of the chimney discharge pipeline is connected to the chimney, and the other end of the chimney discharge pipeline is connected to the other end of the refluxing cold-side pipeline of the refluxing heat exchanger.
11. The system of claim 10, wherein the stack exhaust line further comprises a fan.
12. The system of claim 10, wherein the chimney exhaust line is further connected to a clean gas bypass line, one end of the clean gas bypass line is connected to the clean gas exhaust line, and the other end of the clean gas bypass line is connected to the chimney exhaust line.
13. The returned high efficiency organic waste gas treatment system according to claim 12, wherein the net gas bypass line is further provided with a net gas bypass control valve.
14. The system as claimed in claim 1, 2 or 4, wherein a communication line is further disposed between the cooling gas delivery line and the first hot gas delivery line, the communication line is provided with a communication control valve, the first hot gas delivery line is provided with a first hot gas control valve, and a proportional damper is formed by the communication control valve and the first hot gas control valve.
15. The system as claimed in claim 1, 2 or 4, wherein a communication line is further disposed between the cooling gas delivery line and the first hot gas delivery line, the communication line is provided with a communication control valve, the cooling gas delivery line is provided with a cooling control valve, and a proportional damper is formed by the communication control valve and the cooling control valve.
16. The refluxing high-efficiency organic waste gas treatment system as set forth in claim 1, 2 or 4, it is characterized in that the return hot gas recovery pipeline of the return heat exchanger is further provided with a dust removal device, the dust removing equipment is further one of a bag type dust collector, an electric bag type composite dust collector, an inertial dust collector, an electrostatic dust collector, a centrifugal dust collector, a filter cartridge type pulse dust collector, a pulse bag type dust collector, a pulse filter element dust collector, a pulse blowing bag type dust collector, a wet type electric dust collector, a wet type electrostatic dust collector, a water film dust collector, a Venturi tube dust collector, a cyclone separator, a flue dust collector, a multilayer dust collector, a negative pressure back blowing filter bag dust collector, a low pressure long bag type pulse dust collector, a horizontal type electrostatic dust collector, a non-power dust collector, a charged water mist dust collector, a multi-tube cyclone dust collector and an explosion-proof dust collector.
17. The system according to claim 1, 2 or 4, wherein the recycling pipeline of the heat exchanger is further provided with a dust removing device, and the dust removing device is one of a bag filter, an electric bag filter, an inertial dust collector, an electrostatic dust collector, a centrifugal dust collector, a cartridge type pulse dust collector, a pulse bag filter, a pulse filter element dust collector, a pulse blowing bag filter, a wet dust collector, a wet electrostatic dust collector, a water film dust collector, a venturi tube dust collector, a cyclone separator, a flue dust collector, a multi-layer dust collector, a negative pressure back-blowing filter bag dust collector, a low pressure long bag pulse dust collector, a horizontal electrostatic dust collector, a non-dynamic dust collector, a charged water mist dust collector, a multi-tube cyclone dust collector and an explosion-proof dust collector.
18. The system of claim 1, 2 or 4, wherein the return recovery line of the return heat exchanger is further provided with a blower.
19. The system of claim 1, 2 or 4, wherein the cooling air inlet pipeline further delivers an external air to the cooling zone of the sorption rotor, and the external air is fresh air.
20. The system of claim 1, 2 or 4, wherein the cooling gas inlet pipe is further provided with a gas bypass pipe, one end of the gas bypass pipe is connected to the cooling gas inlet pipe, and the other end of the gas bypass pipe is connected to the exhaust gas inlet pipe.
21. The system of claim 1, 2 or 4, wherein the clean gas exhaust line is further provided with a blower.
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| Application Number | Priority Date | Filing Date | Title |
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| TW108204476U TWM583778U (en) | 2019-04-12 | 2019-04-12 | Backflow high-efficiency organic waste gas processing system |
| TW108204476 | 2019-04-12 |
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| CN210410092U true CN210410092U (en) | 2020-04-28 |
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