CN221156105U - Waste gas treatment device - Google Patents
Waste gas treatment device Download PDFInfo
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- CN221156105U CN221156105U CN202323166249.3U CN202323166249U CN221156105U CN 221156105 U CN221156105 U CN 221156105U CN 202323166249 U CN202323166249 U CN 202323166249U CN 221156105 U CN221156105 U CN 221156105U
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- exhaust gas
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- treatment device
- air inlet
- air
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- 239000002912 waste gas Substances 0.000 title claims abstract description 55
- 239000007789 gas Substances 0.000 claims abstract description 96
- 239000007788 liquid Substances 0.000 claims abstract description 41
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 39
- 239000003546 flue gas Substances 0.000 claims abstract description 39
- 238000010438 heat treatment Methods 0.000 claims description 41
- 230000003197 catalytic effect Effects 0.000 claims description 26
- 239000003054 catalyst Substances 0.000 claims description 21
- 230000001105 regulatory effect Effects 0.000 claims description 11
- 238000000926 separation method Methods 0.000 claims description 11
- 238000004891 communication Methods 0.000 claims description 5
- 238000005485 electric heating Methods 0.000 claims description 5
- 238000013022 venting Methods 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 22
- 229910001868 water Inorganic materials 0.000 abstract description 18
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 abstract description 8
- 229910000041 hydrogen chloride Inorganic materials 0.000 abstract description 8
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 abstract description 8
- 238000005260 corrosion Methods 0.000 abstract description 3
- 230000007797 corrosion Effects 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000007254 oxidation reaction Methods 0.000 description 15
- 230000003647 oxidation Effects 0.000 description 9
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 8
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 5
- 239000000460 chlorine Substances 0.000 description 5
- 229910052801 chlorine Inorganic materials 0.000 description 5
- 229910002092 carbon dioxide Inorganic materials 0.000 description 4
- 239000001569 carbon dioxide Substances 0.000 description 4
- VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 239000000779 smoke Substances 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229920006395 saturated elastomer Polymers 0.000 description 3
- 239000005416 organic matter Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
Landscapes
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Abstract
The application discloses an exhaust gas treatment device, which belongs to the technical field of exhaust gas treatment, and comprises an air inlet unit, wherein the air inlet unit comprises an air inlet pipe and an air outlet pipe which are communicated with each other, and the air inlet pipe is configured to be used for introducing exhaust gas; the preheating unit comprises a preheater which is communicated with the air outlet pipe; the preheater is configured to preheat the exhaust gas passing into the preheating unit to heat the temperature of the exhaust gas to T 1, wherein the exhaust gas has a dew point temperature T 2, satisfying: t 1>T2; when the device is used, through preheating waste gas, the temperature of flue gas can not drop below the dew point temperature when flue gas and waste gas carry out heat exchange in the waste gas heater, and the flue gas is avoided to condense in the inside of the waste gas heater to form liquid water, and is in a gas state, so that hydrogen chloride solution can not be formed, dew point corrosion of the heater can not be caused, and the service life of the heater can be prolonged.
Description
Technical Field
The application belongs to the technical field of waste gas treatment, and particularly relates to a waste gas treatment device.
Background
In petrochemical industry, it is required to carry out catalytic oxidation treatment to chlorine-containing waste gas to produce flue gas, chlorine-containing organic matter molecules can decompose into carbon dioxide, water and hydrogen chloride, generally in order to recycle heat in the flue gas, it is required to make the flue gas pass through the waste gas heater to heat the waste gas inside the waste gas heater, because the waste gas temperature is lower, the flue gas can condense on the surface of the heat exchange element of the waste gas heater and form liquid water, and dissolve the hydrogen chloride gas in the flue gas, cause dew point corrosion of the heater, seriously influence heater life.
Disclosure of utility model
The utility model aims to: the embodiment of the utility model provides an exhaust gas treatment device, which aims to solve the technical problems that when exhaust gas is treated, the temperature of the exhaust gas is low, flue gas can be condensed on the surface of a heat exchange element of an exhaust gas heater to form liquid water, and hydrogen chloride gas in the flue gas is dissolved, so that the dew point of the heater is corroded.
The technical scheme is as follows: an exhaust gas treatment device according to an embodiment of the present application is configured to convert the exhaust gas into flue gas, and the treatment device includes:
an air inlet unit comprising an air inlet pipe and an air outlet pipe which are communicated with each other, wherein the air inlet pipe is configured to be communicated with the waste gas;
The preheating unit comprises a preheater, and the preheater is communicated with the air outlet pipe; the preheater is configured to preheat the exhaust gas passing into the preheating unit to heat the temperature of the exhaust gas to T 1;
wherein, the flue gas has dew point temperature T 2, satisfies: t 1>T2.
In some embodiments, the air intake unit further comprises:
The liquid separating tank is communicated with the air inlet pipe so as to separate gas from liquid of the waste gas;
the fan is arranged between the air inlet pipe and the air outlet pipe; the fan is configured to pass air prior to passing the exhaust gas.
In some embodiments, the preheating unit further comprises a steam pipe and a water return pipe which are communicated with each other, and the preheater is arranged between the steam pipe and the water return pipe;
the steam pipe is configured to introduce steam into the preheater; the return pipe is configured for return of condensate.
In some embodiments, the processing device further comprises:
The heating unit is connected with the preheating unit to receive the exhaust gas from the preheating unit; the heating unit includes:
the first air inlet end is communicated with the preheater so as to introduce the waste gas into the heating unit;
and a first air outlet end configured to output the exhaust gas treated by the heating unit.
In some embodiments, the treatment device further comprises an electrical heating unit comprising an electric heater; the first air outlet end is communicated with the air inlet end of the electric heater.
In some embodiments, the processing device further comprises:
The catalytic unit comprises a catalyst, and an air inlet end of the catalyst is communicated with an air outlet end of the electric heater.
In some embodiments, the heating unit further comprises:
The second air inlet end is communicated with the air outlet end of the catalyst so as to introduce the flue gas treated by the catalyst into the heating unit;
the second air outlet end is communicated with the second air inlet end.
In some embodiments, the processing device further comprises:
And the air outlet unit comprises a chimney, and the chimney is communicated with the heating unit so as to discharge the air output by the heating unit.
In some embodiments, the processing device further comprises:
the temperature control unit is communicated with the air outlet end of the preheater and comprises a regulating valve which is arranged at the air outlet end of the preheater.
In some embodiments, the temperature control unit further comprises a thermometer provided at a side of the regulating valve remote from the preheater, the thermometer being configured to detect a temperature.
In some embodiments, the air intake unit further comprises:
And the flame arrester is arranged between the liquid separating tank and the air outlet pipe.
In some embodiments, the knock out pot comprises:
The observation window is used for observing the gas-liquid separation condition in the liquid separating tank;
The pressure gauge is used for displaying the pressure in the liquid separating tank;
and the liquid level gauge is used for displaying the height of liquid in the liquid separating tank.
The beneficial effects are that: before the waste gas enters the waste gas heater, the waste gas treatment device firstly enters the preheater, the waste gas in the preheater is preheated through the steam pipe through which steam flows, the temperature of the waste gas is heated to be higher than the dew point temperature of the waste gas, and then the preheated waste gas is introduced into the waste gas heater.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of an exhaust treatment device according to an embodiment of the present application;
FIG. 2 is a schematic diagram of a preheating unit according to an embodiment of the present application;
FIG. 3 is a schematic view of an air intake unit according to an embodiment of the present application;
FIG. 4 is a schematic diagram of a temperature control unit according to an embodiment of the present application;
Reference numerals: 1-an air intake unit; 11-an air inlet pipe; 12-an air outlet pipe; 13-a liquid separating tank; 131-manhole; 132—a pressure gauge; 133-level gauge; 14-a fan; 15-flame arresters; 2-a preheating unit; 21-a preheater; 22-steam pipe; 23-a water return pipe; 3-a heating unit; 31-a first air inlet end; 32-a first outlet end; 33-a second air inlet end; 34-a second outlet end; 4-an electrical heating unit; 41-an electric heater; a 5-catalytic unit; 51-a catalyst; 6-an exhaust unit; 61-chimney; 7-a temperature control unit; 71-a regulating valve; 72-thermometer.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. It will be apparent that the described embodiments are only some, but not all, embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to fall within the scope of the application.
In the description of the present application, it should be understood that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more features. In the description of the present application, the meaning of "plurality" means two or more, and at least one means one, two or more, unless explicitly defined otherwise.
In a typical catalytic oxidation treatment system, waste gas is decomposed into substances such as carbon dioxide and water through a catalytic reactor, heat generated by the reaction is transferred to the waste gas before entering the catalytic reactor through a waste gas heater, so that the temperature of the waste gas reaches the initial temperature of the catalytic reaction, and the heat generated by the reaction is recycled, so that the consumption of energy sources can be reduced; in petrochemical industry, need carry out catalytic oxidation to chlorine-containing waste gas and handle, produce the flue gas, chlorine-containing organic matter molecule can decompose into carbon dioxide, water and hydrogen chloride, generally in order to recycle the heat in the flue gas, need make the flue gas pass through the waste gas heater, heat the inside waste gas of waste gas heater, because waste gas temperature is lower, the flue gas can condense at waste gas heater heat transfer element surface and form liquid water to dissolve the hydrogen chloride gas in the flue gas, cause the dew point corruption of heater, seriously influence heater life, restricted catalytic oxidation device's use.
In view of the above, an exhaust gas treatment device is provided to overcome at least one of the above problems.
Referring to fig. 1 to 4, in an embodiment of the present application, the exhaust gas treatment device is used for converting exhaust gas into flue gas, and the treatment device includes an air inlet unit 1 and a preheating unit 2. The air inlet unit 1 comprises an air inlet pipe 11 and an air outlet pipe 12 which are communicated with each other, and waste gas enters the air inlet unit 1 from the air inlet pipe 11 and is discharged from the inside of the air inlet unit 1 through the air outlet pipe 12 so as to enter the next unit; the preheating unit 2 comprises a preheater 21, wherein the preheater 21 is communicated with the air outlet pipe 12, namely, the waste gas discharged by the air outlet pipe 12 enters the preheater 21; the preheater 21 may preheat the exhaust gas introduced into the preheating unit 2 to heat the temperature of the exhaust gas to T 1; the flue gas has a dew point temperature T 2 (the dew point temperature refers to the maximum content of water vapor in air with a certain environment temperature is called as saturated water vapor amount, the air at the moment is called as saturated air, when the saturated air temperature is reduced, the water vapor in the air is condensed into water drops, and the saturated temperature of the air containing the water vapor is called as dew point temperature), and the conditions are satisfied: t 1>T2, namely, when the temperature of the flue gas generated after the catalytic oxidation reaction is utilized to heat the waste gas, the temperature of the waste gas to be heated is above the dew point temperature of the flue gas, so that the temperature of the flue gas does not drop below the dew point temperature of the waste gas in the process of heat exchange between the waste gas and the flue gas, thereby avoiding the flue gas from condensing to form liquid water in the device, avoiding the formation of hydrogen chloride solution, avoiding the dew point corrosion of the structure, and prolonging the service life of the structure.
Referring to fig. 1 to 3, in some embodiments, the air intake unit 1 further includes a liquid separating tank 13 and a blower 14. The liquid separating tank 13 is communicated with the air inlet pipe 11, and after the waste gas is introduced from the air inlet pipe 11, the waste gas enters the liquid separating tank 13, and the liquid separating tank 13 can perform gas-liquid separation on the waste gas so that the dried waste gas enters the next unit; the fan 14 is arranged between the air inlet pipe 11 and the air outlet pipe 12, and before the device is filled with waste gas, air can be blown into the device through the fan 14 for performing test operation and preheating on the device, so that the device can preliminarily meet the temperature condition of catalytic oxidation.
In some embodiments, the preheating unit 2 further comprises a steam pipe 22 and a water return pipe 23 which are communicated with each other, the preheater 21 is arranged between the steam pipe 22 and the water return pipe 23, and the steam pipe 22 is used for introducing steam into the preheater 21; the return pipe 23 is used for the return of condensed water, that is, the preheater 21 is connected to one end of the steam pipe 22 and one end of the return pipe 23, respectively, the other end of the steam pipe 22 and the other end of the return pipe 23 are connected to an external steam device, the steam device supplies high-temperature steam to the steam pipe 22, the high-temperature steam circulates inside the steam pipe 22 to heat the exhaust gas passing through the interior of the preheater 21, part of the steam is condensed into water in the process of heat exchange, the condensed water enters the steam device through the return pipe 23, is changed into steam again through the treatment of the steam device, and is introduced into the steam pipe 22, and thus, the circulation is performed to preheat the exhaust gas passing through the interior of the preheater 21.
In some embodiments, the treatment device further comprises a heating unit 3, the heating unit 3 is an exhaust gas heater, the heating unit 3 is connected to the preheating unit 2 to receive the exhaust gas from the preheating unit 2, and the exhaust gas from the preheating unit 2 is further heated by the heating unit 3; the heating unit 3 comprises a first inlet end 31 and a first outlet end 32. The first air inlet end 31 communicates with the preheater 21 to supply exhaust gas to the heating unit 3, namely: exhaust gases may be discharged from the preheater 21 through the first inlet end 31 into the heating unit 3; the first air outlet end 32 is used for outputting the exhaust gas treated by the heating unit 3, that is, the exhaust gas flows through the exhaust gas heater after entering the exhaust gas heater from the first air inlet end 31, reaches the position of the first air outlet end 32, and is discharged from the first air outlet end 32.
In some embodiments, the treatment device further comprises an electrical heating unit 4, the electrical heating unit 4 comprising an electrical heater 41; the first air outlet end 32 is communicated with the air inlet end of the electric heater 41, and the electric heater 41 further heats the exhaust gas discharged from the first air outlet end 32 to reach the temperature of the catalytic oxidation reaction of the exhaust gas.
In some embodiments, the treatment device further includes a catalytic unit 5, where the catalytic unit 5 includes a catalyst 51, an air inlet end of the catalyst 51 is communicated with an air outlet end of the electric heater 41, and the exhaust gas further heated by the electric heater 41 enters into the catalyst 51, and performs a catalytic oxidation reaction in the catalyst 51, so as to generate flue gas, and simultaneously emit a large amount of heat.
In some embodiments, the heating unit 3 further comprises a second inlet end 33 and a second outlet end 34. The second air inlet end 33 is communicated with the air outlet end of the catalyst 51 so as to introduce the flue gas generated after the treatment of the catalyst 51 into the heating unit 3; the second air outlet end 34 is communicated with the second air inlet end 33, that is, the high-temperature flue gas generated after catalytic oxidation by the catalyst 51 enters the heating unit 3 through the second air inlet end 33 to heat the exhaust gas flowing in the heating unit 3, the exhaust gas and the flue gas only exchange heat and are not mixed, and the flue gas is discharged through the second air outlet end 34; the temperature of the exhaust gas can be further increased by heating the exhaust gas with the flue gas, so that the energy loss of the electric heater 41 can be reduced.
In some embodiments, the treatment device further includes an air outlet unit 6, where the air outlet unit 6 includes a chimney 61, and the chimney 61 is in communication with the heating unit 3 to exhaust the air output by the heating unit 3, and in particular, the chimney 61 is in communication with the second air outlet end 34 on the heating unit 3, and the flue gas exhausted from the second air outlet end 34 enters the chimney 61 and is exhausted into the air through the chimney 61.
Referring to fig. 1 and 4, in some embodiments, the treatment apparatus further includes a temperature control unit 7, where the temperature control unit 7 is communicated with the air outlet end of the preheater 21, the temperature control unit 7 may play a role in controlling the temperature of the exhaust gas entering the catalytic unit 5, the temperature control unit 7 includes a regulating valve 71, the regulating valve 71 is disposed at the air outlet end of the preheater 21, and whether the exhaust gas passes through the heating unit 3 and the electric heating unit 4 can be selected by switching on/off of the regulating valve 71.
In some embodiments, the temperature control unit 7 further includes a temperature meter 72, where the temperature meter 72 is disposed on a side of the regulating valve 71 away from the preheater 21, the temperature meter 72 may be used to detect a temperature of the exhaust gas entering the catalytic unit 5, when detecting that the temperature of the exhaust gas passing through the heating unit 3 and the electric heating unit 4 is too high, which is unfavorable for catalytic oxidation of the exhaust gas, the regulating valve 71 may be in a connected state, so that the exhaust gas preheated by the preheating unit 2 is directly introduced into the catalytic unit 5, the temperature of the exhaust gas may be reduced to a suitable range, if the temperature of the exhaust gas is too low, the regulating valve 71 may be opened, so that the exhaust gas passes through the heating unit 3 and the electric heating unit 4 again to be heated and then is introduced into the catalytic unit 5.
Referring to fig. 1 and 3, in some embodiments, the air intake unit 1 further includes a flame arrester 15, where the flame arrester 15 is disposed between the liquid separating tank 13 and the air outlet pipe 12, and the flame arrester 15 is a protective structure in the device, and if the exhaust gas accidentally burns, the flame arrester 15 can be used to prevent flame from spreading, so as to improve the safety performance of the structure.
In some embodiments, the liquid separation tank 13 includes an observation window 131, a pressure gauge 132, and a liquid level gauge 133. The observation window 131 is convenient for staff to observe the gas-liquid separation condition inside the liquid separation tank 13; the pressure gauge 132 can display the pressure in the liquid separating tank 13, and monitor the pressure in the liquid separating tank 13; the level gauge 133 may indicate the level of the liquid within the knock out drum 13.
Referring to fig. 1 to 4, in the treatment process of low-concentration chlorine-containing waste gas, before the waste gas is introduced, air needs to be blown into each structure by using a fan 14, the air enters a preheater 21 through a flame arrester 15, a steam pipe 22 with high-temperature steam introduced into the interior is arranged in the preheater 21, the air passes through the interior of the preheater 21 and is heated by the steam pipe 22, the heated air enters an electric heater 41 through a waste gas heater after exiting from the preheater 21, the electric heater 41 further heats the air, the further heated air enters a catalyst 51 and then enters the waste gas heater, the air is discharged through a chimney 61 after exiting from the waste gas heater, and the air is introduced before the waste gas is introduced, so that the structure in the device can be heated, and the device can initially meet the starting temperature condition of catalytic oxidation;
Then, the exhaust gas is introduced into the air inlet pipe 11, the exhaust gas enters the liquid separating tank 13, the liquid separating tank 13 carries out gas-liquid separation on the exhaust gas, so that the dried exhaust gas enters the preheater 21 through the flame arrester 15, the steam pipe 22 in the preheater 21 preheats the introduced exhaust gas, the temperature of the exhaust gas reaches T 1, the preheated exhaust gas enters the electric heater 41 after passing through the exhaust gas heater, the electric heater 41 further heats the exhaust gas, so that the exhaust gas reaches the catalytic oxidation reaction temperature, when the exhaust gas passes through the thermometer 72, the thermometer 72 can detect the temperature of the exhaust gas, then the exhaust gas enters the catalyst 51 to carry out catalytic oxidation reaction, the reaction can generate smoke with carbon dioxide, water and hydrogen chloride, and generate larger heat, the smoke is introduced into the exhaust gas heater, the waste heat of the smoke is utilized to heat the exhaust gas passing through the interior of the exhaust gas heater, when the electric heater 41 heats the exhaust gas again, the energy required to be consumed by the electric heater 41 is reduced, and finally the smoke is discharged from the chimney 61; the flue gas exhausted by the catalyst 51 has a dew point temperature T 2, and T 1>T2 is satisfied, so that when the flue gas and the waste gas are subjected to heat transfer in the waste gas heater, the temperature of the flue gas cannot drop below the dew point temperature T 2, and the flue gas is prevented from condensing to form a corrosive solution, so that the device is prevented from being damaged; if the temperature of the exhaust gas entering the catalyst 51 is detected by the temperature meter 72 to be too high for the catalytic oxidation reaction during the exhaust gas treatment, the exhaust gas preheated by the preheater 21 can be directly introduced into the catalyst 51 by closing the open regulating valve 71, so that the temperature of the exhaust gas is reduced to be within a proper catalytic oxidation temperature range.
In the foregoing embodiments, the descriptions of the embodiments are emphasized, and for parts of one embodiment that are not described in detail, reference may be made to related descriptions of other embodiments.
The exhaust gas treatment device provided by the embodiment of the present application has been described in detail, and specific examples are applied to illustrate the principles and embodiments of the present application, and the description of the above embodiments is only for helping to understand the technical solution and core ideas of the present application; those of ordinary skill in the art will appreciate that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the application.
Claims (12)
1. An exhaust gas treatment device for converting the exhaust gas into flue gas, the treatment device comprising:
an air inlet unit (1), the air inlet unit (1) comprising an air inlet pipe (11) and an air outlet pipe (12) which are mutually communicated, the air inlet pipe (11) being configured to introduce the exhaust gas;
the preheating unit (2), the preheating unit (2) comprises a preheater (21), and the preheater (21) is communicated with the air outlet pipe (12); the preheater (21) is configured to preheat the exhaust gas passing into the preheating unit (2) to heat the temperature of the exhaust gas to T 1;
wherein, the flue gas has dew point temperature T 2, satisfies: t 1>T2.
2. The exhaust gas treatment device according to claim 1, characterized in that the air intake unit (1) further comprises:
A liquid separation tank (13), wherein the liquid separation tank (13) is communicated with the air inlet pipe (11) so as to perform gas-liquid separation on the waste gas;
The fan (14) is arranged between the air inlet pipe (11) and the air outlet pipe (12); the fan (14) is configured to be vented with air prior to venting the exhaust.
3. The exhaust gas treatment device according to claim 1, characterized in that the preheating unit (2) further comprises a steam pipe (22) and a return pipe (23) in communication with each other, the preheater (21) being arranged between the steam pipe (22) and the return pipe (23);
-the steam pipe (22) is configured to feed steam into the preheater (21); the return pipe (23) is configured for return of condensate.
4. The exhaust gas treatment device of claim 1, wherein the treatment device further comprises:
-a heating unit (3), said heating unit (3) being connected to said preheating unit (2) to receive exhaust gases from said preheating unit (2); the heating unit (3) comprises:
A first air inlet end (31), the first air inlet end (31) being in communication with the preheater (21) to feed the exhaust gas to the heating unit (3);
-a first outlet end (32), the first outlet end (32) being configured to output exhaust gas treated by the heating unit (3).
5. The exhaust gas treatment device according to claim 4, characterized in that the treatment device further comprises an electric heating unit (4), the electric heating unit (4) comprising an electric heater (41); the first air outlet end (32) is communicated with the air inlet end of the electric heater (41).
6. The exhaust gas treatment device of claim 5, further comprising:
-a catalytic unit (5), the catalytic unit (5) comprising a catalyst (51), the inlet end of the catalyst (51) being in communication with the outlet end of the electric heater (41).
7. The exhaust gas treatment device according to claim 6, characterized in that the heating unit (3) further comprises:
A second air inlet end (33), wherein the second air inlet end (33) is communicated with the air outlet end of the catalyst (51) so as to introduce the flue gas treated by the catalyst (51) into the heating unit (3);
And the second air outlet end (34), and the second air outlet end (34) is communicated with the second air inlet end (33).
8. The exhaust gas treatment device of claim 4, wherein the treatment device further comprises:
And the air outlet unit (6), wherein the air outlet unit (6) comprises a chimney (61), and the chimney (61) is communicated with the heating unit (3) so as to discharge the air output by the heating unit (3).
9. The exhaust gas treatment device of claim 1, wherein the treatment device further comprises:
The temperature control unit (7), temperature control unit (7) with the end intercommunication of giving vent to anger of pre-heater (21), temperature control unit (7) are including governing valve (71), governing valve (71) are located the end of giving vent to anger of pre-heater (21).
10. The exhaust gas treatment device according to claim 9, characterized in that the temperature control unit (7) further comprises a thermometer (72), the thermometer (72) being provided at a side of the regulating valve (71) remote from the preheater (21), the thermometer (72) being configured to detect a temperature.
11. The exhaust gas treatment device according to claim 2, characterized in that the air intake unit (1) further comprises:
And the flame arrester (15) is arranged between the liquid separating tank (13) and the air outlet pipe (12).
12. An exhaust gas treatment device according to claim 2, characterized in that the knock-out pot (13) comprises:
An observation window (131) for observing the gas-liquid separation condition in the liquid separation tank (13);
A pressure gauge (132) for displaying the pressure in the liquid separating tank (13);
and the liquid level gauge (133) is used for displaying the height of the liquid in the liquid separating tank (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323166249.3U CN221156105U (en) | 2023-11-22 | 2023-11-22 | Waste gas treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323166249.3U CN221156105U (en) | 2023-11-22 | 2023-11-22 | Waste gas treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221156105U true CN221156105U (en) | 2024-06-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323166249.3U Active CN221156105U (en) | 2023-11-22 | 2023-11-22 | Waste gas treatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221156105U (en) |
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2023
- 2023-11-22 CN CN202323166249.3U patent/CN221156105U/en active Active
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