CN215765134U - Heat accumulating type combustion treatment system for coating waste gas - Google Patents
Heat accumulating type combustion treatment system for coating waste gas Download PDFInfo
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- CN215765134U CN215765134U CN202120529297.6U CN202120529297U CN215765134U CN 215765134 U CN215765134 U CN 215765134U CN 202120529297 U CN202120529297 U CN 202120529297U CN 215765134 U CN215765134 U CN 215765134U
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Abstract
The utility model relates to a heat accumulation formula combustion processing system for application waste gas, including intake pipe, rose box, zeolite runner equipment, heat accumulation formula combustion apparatus, the chimney that communicates in proper order, the intercommunication has the gas-supply pipe between zeolite runner equipment and the heat accumulation formula combustion apparatus, and the intercommunication has first tail gas pipe between zeolite runner equipment and the chimney, and the intercommunication has the second tail gas pipe between heat accumulation formula combustion apparatus and the chimney, is provided with the heat accumulation ceramic body in the heat accumulation formula combustion apparatus. The gas pipe is communicated with a desorption fan and a pressurization fan, the pressurization fan is positioned between the desorption fan and the heat accumulating type combustion equipment, the heat accumulating type combustion equipment is communicated with a purging pipe, one end, away from the heat accumulating type combustion equipment, of the purging pipe is communicated with the pressurization fan, and a first control valve is arranged on the purging pipe. This application utilizes the negative pressure that booster fan formed in sweeping the intraductal organic waste gas suction of remaining with the heat accumulation pottery and carries out retreatment, and is efficient, the energy saving consumed the festival.
Description
Technical Field
The application relates to the field of coating waste gas treatment, in particular to a heat accumulating type combustion treatment system for coating waste gas.
Background
With the rapid development of economy and industrialization in China, the problem of air pollution is highlighted day by day. Organic waste gas is an important component of air pollution, not only pollutes the atmospheric environment and poses serious threats to human health, but also has the characteristics of carcinogenesis, teratogenesis and mutagenicity, so that the prevention and the treatment of the organic waste gas are not slow.
In practical industrial application, aiming at the purification treatment of the low-concentration coating organic waste gas, if the processes such as oxidation or adsorption are directly adopted for treatment, the equipment investment and the operating cost are higher, at present, heat accumulating type combustion equipment (RTO) is generally adopted for the treatment of the coating organic waste gas, the RTO mainly comprises a combustion chamber, a heat accumulating ceramic body, a switch valve and the like, and the heat accumulating ceramic body is generally arranged on the inner side of an air inlet of the combustion chamber. During treatment, zeolite runner equipment is generally adopted for concentration treatment, organic waste gas with high air quantity and low concentration is converted into organic waste gas with low air quantity and high concentration, and then the organic waste gas enters into RTO for high-temperature incineration treatment, so that the investment of subsequent treatment equipment such as oxidation and the like can be greatly reduced, and the operating cost of fuel can be reduced due to the increase of the concentration of the waste gas.
The heat storage ceramic body is mainly used for preheating the entering organic waste gas, generally has a porous structure, and the waste gas is dispersed and preheated when flowing through the heat storage ceramic body, so that the fuel consumption of waste gas heating is saved. However, as the exhaust gas treatment is performed, a certain amount of unpurified exhaust gas remains in the heat storage ceramic body, and therefore, the blowing-through by clean air is stopped at regular time during the exhaust gas treatment process, which slows down the exhaust gas treatment efficiency.
SUMMERY OF THE UTILITY MODEL
In order to improve the waste gas treatment efficiency that causes when the heat accumulation ceramic body blows through and drag the problem of slowing, this application provides a heat accumulation formula combustion processing system for application waste gas.
The application provides a heat accumulation formula combustion processing system for application waste gas adopts following technical scheme:
a heat accumulating type combustion treatment system for coating waste gas comprises an air inlet pipe, a filter box, zeolite rotating wheel equipment, heat accumulating type combustion equipment and a chimney which are sequentially communicated, wherein an air conveying pipe is communicated between the zeolite rotating wheel equipment and the heat accumulating type combustion equipment, a first tail air pipe is communicated between the zeolite rotating wheel equipment and the chimney, a second tail air pipe is communicated between the heat accumulating type combustion equipment and the chimney, the heat accumulating type combustion equipment is communicated with a heat exchanger, an air distributing pipe is communicated on the heat exchanger and is communicated with the second tail air pipe, a desorption pipe is communicated on the first tail air pipe and penetrates through the heat exchanger, one end, far away from the first tail air pipe, of the desorption pipe is communicated with the zeolite rotating wheel equipment, a heat accumulating ceramic body is arranged in the heat accumulating type combustion equipment, and an adsorption fan is communicated between the filter box and the zeolite rotating wheel equipment, the gas pipe is communicated with a desorption fan and a pressurization fan, the pressurization fan is positioned between the desorption fan and the heat accumulating type combustion equipment, the heat accumulating type combustion equipment is communicated with a purging pipe, one end, far away from the heat accumulating type combustion equipment, of the purging pipe is communicated with the pressurization fan, and a first control valve is arranged on the purging pipe.
By adopting the technical scheme, coating waste gas enters the filter box through the air inlet pipe to be filtered so as to remove paint mist and particles in the waste gas, then enters the zeolite rotating wheel equipment through the suction of the adsorption fan to be adsorbed and purified and concentrated, organic matters in the waste gas are adsorbed on zeolite, purified gas is discharged from a chimney through the first tail gas pipe, part of gas in the first tail gas pipe enters the desorption pipe and is heated through the heat exchanger in the discharge process, the heat of the heat exchanger is sourced from the heat accumulating type combustion equipment, the gas in the desorption pipe enters the zeolite rotating wheel equipment to carry out high-temperature desorption on the organic matters in the zeolite after being heated, the concentrated high-concentration waste gas enters the heat accumulating type combustion equipment through the air delivery pipe under the suction effects of the desorption fan and the pressurization fan to carry out high-temperature oxidative decomposition, and then is discharged from the second tail gas pipe through the chimney.
When the organic waste gas remained in the heat storage ceramic body is cleaned, the first control valve is opened, the suction force of the pressurizing fan can enable one end of the purging pipe close to the heat storage type combustion equipment to generate certain negative pressure, the organic waste gas remained in the heat storage ceramic body enters the pressurizing fan through the purging pipe under the action of the negative pressure and is mixed with the organic waste gas conveyed by the gas conveying pipe to enter the heat storage type combustion equipment for high-temperature oxidative decomposition again, the organic waste gas remained in the heat storage ceramic body is sucked out and reprocessed by directly utilizing the negative pressure formed by the booster fan in the blowing pipe without additionally introducing clean air or suspending the treatment of the waste gas when the heat storage ceramic body is cleaned, thereby not only improving the treatment efficiency, and the problem that the temperature of the heat accumulating type combustion equipment is reduced and the heat accumulating type combustion equipment needs to be reheated when clean air is introduced is avoided, and a large amount of energy consumption is saved.
Optionally, a poppet valve is communicated between the heat accumulating type combustion device and the gas pipe, and the poppet valve is communicated with the purging pipe.
Through adopting above-mentioned technical scheme, the setting up of poppet valve is convenient through the inlet air and the play of air of PLC system control heat accumulation formula combustion apparatus in the technology, and the response rate of poppet valve is fast and the leakproofness is good, can effectively reduce the leakage of waste gas, long service life.
Optionally, a second control valve is arranged on the desorption pipe.
Through adopting above-mentioned technical scheme, the second control valve is used for controlling desorption amount of wind size, guarantees the desorption effect to zeolite runner equipment.
Optionally, a cooling pipe is communicated between the desorption pipe and the first tail gas pipe, the cooling pipe is communicated with the desorption pipe and is located between the second control valve and the zeolite rotating wheel device, and a third control valve is arranged on the cooling pipe.
Through adopting above-mentioned technical scheme, cooling tube and third control valve are used for controlling desorption temperature, and when desorption temperature was higher, can open the third control valve and introduce the low temperature gas after the purification from first tail gas pipe and cool down, guarantee that the desorption temperature control of zeolite runner equipment is in normal range.
Optionally, a fourth control valve is arranged on the gas distribution pipe.
By adopting the technical scheme, the fourth control valve is used for controlling the heat exchanger to take heat from the heat accumulating type combustion equipment, and the desorption temperature of the zeolite rotating wheel equipment is controlled within a normal range.
Optionally, a humidifying pipe is communicated with the gas distribution pipe, the communicating position of the humidifying pipe and the gas distribution pipe is located between the fourth control valve and the second tail gas pipe, one end of the humidifying pipe, which is far away from the gas distribution pipe, is communicated with the gas inlet pipe, and a fifth control valve is arranged on the humidifying pipe.
By adopting the technical scheme, as the coating waste gas has high humidity, the fifth control valve is opened during treatment, part of high-temperature gas in the heat exchanger can enter the air inlet pipe at the front end of the filter box through the humidity adjusting pipe, the flow of the high-temperature gas is controlled through the fifth control valve, the temperature of the waste gas entering the filter box is ensured not to exceed 40 ℃, and the humidity is ensured not to exceed 80%, so that the zeolite runner equipment can achieve the best adsorption effect.
Optionally, the heat accumulating type combustion device is communicated with a temperature release pipe, one end of the temperature release pipe, which is far away from the heat accumulating type combustion device, is communicated with the second tail gas pipe, and a sixth control valve is arranged on the temperature release pipe.
By adopting the technical scheme, the temperature release pipe is used for adjusting the temperature and the pressure in the heat accumulating type combustion equipment, and when the temperature and the pressure in the heat accumulating type combustion equipment exceed the normal range, the sixth control valve can be opened to release heat and release pressure, so that the temperature and the pressure in the heat accumulating type combustion equipment are ensured to be stabilized in the normal range.
Optionally, a flame arrester is communicated with the gas transmission pipe, and the flame arrester is located between the desorption fan and the pressurization fan.
By adopting the technical scheme, the flame arrester is used for preventing the fire from spreading when high-temperature waste gas is accidentally combusted, and the process safety is improved.
Optionally, a coarse filter layer, a medium-efficiency filter layer and a high-efficiency filter layer are sequentially arranged in the filter box along the direction far away from the air inlet pipe.
Through adopting above-mentioned technical scheme, the hierarchical filtration of coarse effect filtering layer, well effect filtering layer and high-efficient filtering layer can enough guarantee good filter effect, can guarantee again that waste gas keeps normal flow to carry, has reduced the hindrance that receives when waste gas flows, guarantees production efficiency, also is convenient for select the change according to actual conditions to the filtering layer simultaneously, saves the cost.
In summary, the present application includes at least one of the following beneficial technical effects:
when the organic waste gas remained in the heat storage ceramic body is cleaned, the first control valve is opened, the suction force of the pressurizing fan can enable one end of the purging pipe close to the heat storage type combustion equipment to generate certain negative pressure, the organic waste gas remained in the heat storage ceramic body enters the pressurizing fan through the purging pipe under the action of the negative pressure and is mixed with the organic waste gas conveyed by the gas conveying pipe to enter the heat storage type combustion equipment for high-temperature oxidative decomposition again, the organic waste gas remained in the heat storage ceramic body is sucked out and reprocessed by directly utilizing the negative pressure formed by the booster fan in the blowing pipe without additionally introducing clean air or suspending the treatment of the waste gas when the heat storage ceramic body is cleaned, thereby not only improving the treatment efficiency, the problem that the temperature of the heat accumulating type combustion equipment is reduced and the heat accumulating type combustion equipment needs to be reheated when clean air is introduced is solved, and a large amount of energy consumption is saved;
the temperature reduction pipe and the third control valve are used for controlling the desorption temperature, and when the desorption temperature is higher, the third control valve can be opened to introduce purified low-temperature gas from the first tail gas pipe for temperature reduction, so that the desorption temperature of the zeolite runner equipment is controlled within a normal range;
the humidifying pipe is used for reducing the humidity of the coating waste gas, the fifth control valve is opened during treatment, part of high-temperature gas in the heat exchanger enters the air inlet pipe at the front end of the filter box through the humidifying pipe, the flow of the high-temperature gas is controlled through the fifth control valve, the temperature of the waste gas entering the filter box is guaranteed not to exceed 40 ℃, and the humidity does not exceed 80%, so that the zeolite runner equipment can achieve the optimal adsorption effect;
the temperature release pipe is used for adjusting the temperature and the pressure in the heat accumulating type combustion equipment, and when the temperature and the pressure in the heat accumulating type combustion equipment exceed the normal range, the sixth control valve can be opened to release heat and release pressure, so that the temperature and the pressure in the heat accumulating type combustion equipment are ensured to be stabilized in the normal range.
Drawings
Fig. 1 is a schematic diagram of an embodiment of the present application.
Description of reference numerals: 1. an air inlet pipe; 2. a filter box; 21. a coarse effect filtering layer; 22. a middle effect filtering layer; 23. a high-efficiency filtering layer; 3. a zeolite wheel device; 4. a heat accumulating type combustion apparatus; 41. a combustion chamber; 411. a burner; 42. a heat-accumulating ceramic body; 43. a purge tube; 431. a first control valve; 44. a temperature release pipe; 441. a sixth control valve; 5. a chimney; 51. FID on-line monitoring equipment; 6. a gas delivery pipe; 61. a desorption fan; 62. a booster fan; 63. a poppet valve; 64. a flame arrestor; 7. a first tail gas pipe; 71. detaching the tube; 711. a second control valve; 72. a cooling pipe; 721. a third control valve; 8. a second tail gas pipe; 9. a heat exchanger; 91. a gas distributing pipe; 911. a fourth control valve; 92. a humidity conditioning pipe; 921. a fifth control valve; 10. an adsorption fan.
Detailed Description
The present application is described in further detail below with reference to the attached drawings.
The embodiment of the application discloses a heat accumulation formula combustion processing system for application waste gas. Referring to fig. 1, the heat accumulating type combustion treatment system for coating waste gas comprises an air inlet pipe 1, a filter box 2, a zeolite rotating wheel device 3, a heat accumulating type combustion device 4 and a chimney 5 which are sequentially communicated through a pipeline. In this embodiment, the zeolite rotating wheel device 3 is a cylindrical rotating wheel and is divided into an adsorption area and a desorption area, and the heat accumulating type combustion device 4 is a three-bed type structure and is composed of a combustion chamber 41 and three groups of heat accumulating ceramic bodies 42. The combustor 41 is internally provided with a burner 411, the burner 411 is communicated with a natural gas pipeline, and the burner 411 adopts a low-nitrogen burner 411 to reduce the generation amount of secondary pollutants of nitrogen oxides.
An adsorption fan 10 is communicated between the filter box 2 and the zeolite rotating wheel device 3, and the adsorption fan 10 is communicated with an adsorption area of the zeolite rotating wheel device 3.
A gas pipe 6 is communicated between the zeolite rotating wheel device 3 and the heat accumulating type combustion device 4, a first tail gas pipe 7 is communicated between the zeolite rotating wheel device 3 and the chimney 5, and a second tail gas pipe 8 is communicated between the combustion chamber 41 and the chimney 5.
The combustion chamber 41 is communicated with a heat exchanger 9 through a pipeline, a gas distribution pipe 91 is communicated with the heat exchanger 9, and one end of the gas distribution pipe 91, which is far away from the heat exchanger 9, is communicated with a second tail gas pipe 8. The first tail gas pipe 7 is communicated with a desorption pipe 71, the desorption pipe 71 penetrates through the heat exchanger 9, and one end of the desorption pipe 71, which is far away from the first tail gas pipe 7, is communicated with an inlet of a desorption area of the zeolite rotating wheel equipment 3.
The gas pipe 6 is communicated with a desorption fan 61 and a pressurization fan 62, the desorption fan 61 is communicated with the outlet of the desorption area of the zeolite rotating wheel device 3, and the pressurization fan 62 is positioned between the desorption fan 61 and the heat accumulating type combustion device 4.
The combustion chamber 41 is communicated with a purging pipe 43, one end of the purging pipe 43 far away from the combustion chamber 41 is communicated with the pressurizing fan 62, and the purging pipe 43 is provided with a first control valve 431.
Coating waste gas gets into rose box 2 through intake pipe 1 and filters in order to get rid of the coating cloud and the granule in the waste gas, installs one deck coarse effect filtering layer 21, two-layer medium effect filtering layer 22 and one deck high efficiency filtering layer 23 along keeping away from intake pipe 1 direction in the rose box 2 in proper order. Carry out stage filtration to application waste gas through coarse effect filtering layer 21, well effect filtering layer 22 and high-efficient filtering layer 23 and can enough guarantee good filter effect, can guarantee again that waste gas keeps normal flow to carry, guarantees production efficiency, also is convenient for select the change according to actual conditions to the filtering layer simultaneously, saves the cost.
The filtered flying gas enters the zeolite rotating wheel equipment 3 for adsorption and purification and concentration through the suction force of the adsorption fan 10, organic matters in the waste gas are adsorbed on the zeolite, and the purified gas is discharged from a chimney 5 through a first tail gas pipe 7.
In the discharging process, part of gas in the first tail gas pipe 7 enters the desorption pipe 71 and is heated by the heat exchanger 9, the heat of the heat exchanger 9 comes from the combustion chamber 41, the gas in the desorption pipe 71 is heated and then enters the zeolite rotating wheel device 3 to perform high-temperature desorption on organic matters in zeolite, the concentrated high-concentration waste gas enters the heat accumulating type combustion device 4 through the gas pipe 6 under the suction action of the desorption fan 61 and the pressurizing fan 62 to perform high-temperature oxidative decomposition, and then the concentrated high-concentration waste gas is discharged from the second tail gas pipe 8 through the chimney 5. The desorption pipe 71 is provided with a second control valve 711 for controlling the desorption air volume, so as to ensure the desorption effect on the zeolite rotating wheel device 3.
The chimney 5 is provided with an FID on-line monitoring device 51 for monitoring the data condition of the discharged tail gas in real time, and can simultaneously monitor data such as non-methane total hydrocarbon, benzene, toluene, xylene, temperature, pressure, flow and the like, and reflect the state of waste gas treatment.
When the organic waste gas remaining in the heat storage ceramic body 42 needs to be cleaned, the first control valve 431 is opened, the suction force of the pressure fan 62 enables one end of the purging pipe 43 close to the heat storage type combustion device 4 to generate a certain negative pressure, and the organic waste gas remaining in the heat storage ceramic body 42 enters the pressure fan 62 through the purging pipe 43 under the action of the negative pressure and is mixed with the organic waste gas conveyed from the gas conveying pipe 6 to enter the heat storage type combustion device 4 for high-temperature oxidative decomposition again.
A cooling pipe 72 is communicated between the desorption pipe 71 and the first tail gas pipe 7, the communication position of the cooling pipe 72 and the desorption pipe 71 is positioned between the second control valve 711 and the zeolite turning wheel device 3, and a third control valve 721 is installed on the cooling pipe 72. When the desorption temperature is higher, the third control valve 721 can be opened to introduce the purified low-temperature gas from the first tail gas pipe 7 for cooling, so as to ensure that the desorption temperature of the zeolite rotary wheel device 3 is controlled within a normal range.
The gas-distributing pipe 91 is provided with a fourth control valve 911 for controlling the heat exchanger 9 to take heat from the heat accumulating type combustion device 4, so as to ensure that the desorption temperature of the zeolite rotating wheel device 3 is controlled within a normal range.
Because the humidity of the coating waste gas is high, the humidity of the waste gas needs to be adjusted before the waste gas enters the filter box 2, so that the zeolite rotary wheel equipment 3 can achieve the best adsorption effect. The air distributing pipe 91 is communicated with a humidity adjusting pipe 92, the communication position of the humidity adjusting pipe 92 and the air distributing pipe 91 is located between the fourth control valve 911 and the second tail gas pipe 8, one end, far away from the air distributing pipe 91, of the humidity adjusting pipe 92 is communicated with the air inlet pipe 1, and the fifth control valve 921 is installed on the humidity adjusting pipe 92. During treatment, the fifth control valve 921 is opened, part of the high-temperature gas in the heat exchanger 9 enters the air inlet pipe 1 at the front end of the filter box 2 through the humidity adjusting pipe 92, the flow of the high-temperature gas is controlled through the fifth control valve 921, and the temperature and the humidity of the waste gas entering the filter box 2 are guaranteed to be not more than 40 ℃ and not more than 80%.
A poppet valve 63 is communicated between the heat accumulating type combustion device 4 and the gas transmission pipe 6, and the poppet valve 63 is communicated with the purging pipe 43. The poppet valve 63 has a fast response speed, is convenient for technically control the air inlet and outlet of the heat accumulating type combustion equipment 4 through a PLC system, has good sealing performance of the poppet valve 63, can effectively reduce the leakage of waste gas, and has long service life.
The gas pipe 6 is communicated with a flame arrester 64, the flame arrester 64 is positioned between the desorption fan 61 and the pressurization fan 62, and the flame arrester 64 is used for preventing the spread of fire when high-temperature waste gas is accidentally combusted, so that the process safety is improved.
The combustion chamber 41 is communicated with a temperature release pipe 44 for the temperature and pressure in the combustion chamber 41, one end of the temperature release pipe 44 far away from the combustion chamber 41 is communicated with the second tail gas pipe 8, and a sixth control valve 441 is installed on the temperature release pipe 44. When the temperature and pressure inside the combustion chamber 41 exceed the normal range, the sixth control valve 441 may be opened to discharge heat and release pressure, so as to ensure that the temperature and pressure inside the combustion chamber 41 are stabilized within the normal range.
The application principle of a heat accumulating type combustion treatment system for coating waste gas in the embodiment of the application is as follows: through setting up booster fan 62 and sweeping pipe 43, do not need additionally to insert clean air when the clearance heat accumulation ceramic body 42, also need not the processing of pause waste gas, directly utilize the negative pressure that booster fan 62 formed in sweeping pipe 43 with remaining organic waste gas suction in the heat accumulation ceramic body 42 and carry out retreatment, not only improved the treatment effeciency, the heat accumulation combustion apparatus 4 temperature that causes when having removed the access clean air moreover reduces and need reheating's problem, a large amount of energy consumptions have been saved.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (9)
1. A heat accumulation formula combustion processing system for application waste gas which characterized in that: the device comprises an air inlet pipe (1), a filter box (2), zeolite rotating wheel equipment (3), heat accumulating type combustion equipment (4) and a chimney (5) which are sequentially communicated, wherein an air conveying pipe (6) is communicated between the zeolite rotating wheel equipment (3) and the heat accumulating type combustion equipment (4), a first tail air pipe (7) is communicated between the zeolite rotating wheel equipment (3) and the chimney (5), a second tail air pipe (8) is communicated between the heat accumulating type combustion equipment (4) and the chimney (5), a heat exchanger (9) is communicated with the heat accumulating type combustion equipment (4), an air distributing pipe (91) is communicated on the heat exchanger (9), the air distributing pipe (91) is communicated with the second tail air pipe (8), a desorption pipe (71) is communicated on the first tail air pipe (7), and the desorption pipe (71) penetrates through the inside of the heat exchanger (9), one end, far away from the first tail gas pipe (7), of the desorption pipe (71) is communicated with the zeolite rotating wheel device (3), a heat storage ceramic body (42) is arranged in the heat storage type combustion device (4), the filter box (2) and the zeolite rotating wheel device (3) are communicated with the adsorption fan (10), the gas pipe (6) is communicated with the desorption fan (61) and the pressurization fan (62), the pressurization fan (62) is located between the desorption fan (61) and the heat storage type combustion device (4), the heat storage type combustion device (4) is communicated with the purging pipe (43), one end, far away from the heat storage type combustion device (4), of the purging pipe (43) is communicated with the pressurization fan (62), and the purging pipe (43) is provided with a first control valve (431).
2. A regenerative combustion treatment system for coating exhaust gases as claimed in claim 1 wherein: a poppet valve (63) is communicated between the heat accumulating type combustion equipment (4) and the gas conveying pipe (6), and the poppet valve (63) is communicated with the purging pipe (43).
3. A regenerative combustion treatment system for coating exhaust gases as claimed in claim 1 wherein: and a second control valve (711) is arranged on the desorption pipe (71).
4. A regenerative combustion treatment system for coating exhaust gases as claimed in claim 3 wherein: a cooling pipe (72) is communicated between the desorption pipe (71) and the first tail gas pipe (7), the communication position of the cooling pipe (72) and the desorption pipe (71) is located between the second control valve (711) and the zeolite rotating wheel device (3), and a third control valve (721) is arranged on the cooling pipe (72).
5. A regenerative combustion treatment system for coating exhaust gases as claimed in claim 1 wherein: and a fourth control valve (911) is arranged on the gas distribution pipe (91).
6. A regenerative combustion treatment system for coating exhaust gases as claimed in claim 1 wherein: the utility model discloses a damping device, including trachea (91), humidifying pipe (92) and the intercommunication department of trachea (91) is located fourth control flap (911) with between second tail gas pipe (8), humidifying pipe (92) are kept away from the one end of trachea (91) communicate in intake pipe (1), be provided with fifth control flap (921) on humidifying pipe (92).
7. A regenerative combustion treatment system for coating exhaust gases as claimed in claim 6 wherein: the heat accumulating type combustion equipment (4) is communicated with a temperature release pipe (44), one end, far away from the heat accumulating type combustion equipment (4), of the temperature release pipe (44) is communicated with the second tail gas pipe (8), and a sixth control valve (441) is arranged on the temperature release pipe (44).
8. A regenerative combustion treatment system for coating exhaust gases as claimed in claim 1 wherein: fire arrestor (64) is communicated on the gas pipe (6), and the fire arrestor (64) is positioned between the desorption fan (61) and the pressurizing fan (62).
9. A regenerative combustion treatment system for coating exhaust gases as claimed in claim 1 wherein: the filter box (2) is internally provided with a coarse filter layer (21), a middle filter layer (22) and a high-efficiency filter layer (23) in sequence along the direction far away from the air inlet pipe (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120529297.6U CN215765134U (en) | 2021-03-11 | 2021-03-11 | Heat accumulating type combustion treatment system for coating waste gas |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120529297.6U CN215765134U (en) | 2021-03-11 | 2021-03-11 | Heat accumulating type combustion treatment system for coating waste gas |
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| CN215765134U true CN215765134U (en) | 2022-02-08 |
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| CN202120529297.6U Active CN215765134U (en) | 2021-03-11 | 2021-03-11 | Heat accumulating type combustion treatment system for coating waste gas |
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2021
- 2021-03-11 CN CN202120529297.6U patent/CN215765134U/en active Active
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