CN219976448U - RTO device for simultaneously treating various waste gases and esterified water - Google Patents
RTO device for simultaneously treating various waste gases and esterified water Download PDFInfo
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- CN219976448U CN219976448U CN202320900654.4U CN202320900654U CN219976448U CN 219976448 U CN219976448 U CN 219976448U CN 202320900654 U CN202320900654 U CN 202320900654U CN 219976448 U CN219976448 U CN 219976448U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 45
- 239000002912 waste gas Substances 0.000 title claims abstract description 42
- 238000002485 combustion reaction Methods 0.000 claims abstract description 102
- 238000005338 heat storage Methods 0.000 claims abstract description 36
- 230000032050 esterification Effects 0.000 claims abstract description 34
- 238000005886 esterification reaction Methods 0.000 claims abstract description 34
- 239000007789 gas Substances 0.000 claims description 28
- 238000004880 explosion Methods 0.000 claims description 18
- 238000013022 venting Methods 0.000 claims description 18
- 239000000919 ceramic Substances 0.000 claims description 15
- 239000011521 glass Substances 0.000 claims description 13
- 238000007689 inspection Methods 0.000 claims description 4
- 238000010926 purge Methods 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 6
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- 230000003647 oxidation Effects 0.000 description 5
- 238000007254 oxidation reaction Methods 0.000 description 5
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- 239000000126 substance Substances 0.000 description 5
- 238000007664 blowing Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- 238000003795 desorption Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002808 molecular sieve Substances 0.000 description 2
- 238000006864 oxidative decomposition reaction Methods 0.000 description 2
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
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- 238000005192 partition Methods 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model provides an RTO device for simultaneously treating various waste gases and esterification water, which comprises a first furnace body unit and a second furnace body unit which are communicated. The first furnace body unit comprises a first bracket, a heat storage box chamber and a first combustion chamber which are fixedly connected in sequence from bottom to top; an air inlet pipe and an air outlet pipe are arranged below the heat storage box chamber; the first combustion chamber is provided with a first high-temperature pipeline interface and a first combustor interface. The second furnace body unit comprises a second bracket and a second combustion chamber, and the second bracket supports the second combustion chamber; the second combustion chamber is provided with a second high-temperature pipeline interface, a second combustor interface and an esterification water connecting pipe. The RTO device for simultaneously treating various waste gases and esterified water has the advantages of simple structure and lower cost; can simultaneously treat various waste gases and esterification water, expands the application scene of the RTO device and improves the utilization efficiency of the RTO device.
Description
Technical Field
The utility model relates to an RTO device for simultaneously treating various waste gases and esterification water, and belongs to the technical field of thermal oxidation treatment of organic waste gases.
Background
The conventional three-bed RTO device (regenerative oxidation furnace) is mainly used for treating organic waste gas which is not easy to generate polymerization, after the waste gas enters from an air inlet connecting pipe at the lower part of the RTO, the temperature of the waste gas is raised by ceramic in a heat storage box chamber, and the waste gas is heated to be more than 760 ℃ so that the organic waste gas in the waste gas is oxidized and decomposed into CO 2 And H 2 O, the high-temperature gas generated by oxidation flows through the ceramic heat accumulator to heat the ceramic heat accumulator, and is used for preheating the organic waste gas which enters subsequently, thereby saving the treatment technology of waste gas heating and fuel consumption. For low-concentration and large-air-volume waste gas, a concentration and oxidation process is suitable, namely, the molecular sieve adsorption rotating wheel is required to be matched with a conventional three-bed RTO device to realize the function of treating organic waste gas.
However, conventional three-bed RTO is not realized for the treatment of low-concentration large-air-volume waste gas containing easily polymerized and easily blocked rotating wheels and liquid esterified water containing easily polymerized substances. In the actual production process, a thermal oxidation incineration device is generally required to simultaneously treat various waste gases and esterification water discharged from different workshops. Therefore, on the basis of the conventional three-bed RTO design, a novel RTO device structure is required to be developed, so that the novel RTO device structure can simultaneously treat various waste gases and esterification water.
Disclosure of Invention
The utility model aims to provide an RTO device for simultaneously treating various waste gases and esterification water, which can simultaneously treat various waste gases and esterification water by arranging a first furnace body unit and a second furnace body unit which are communicated, has a simple structure and low cost, expands the application scene of the RTO device and improves the utilization efficiency of the RTO device.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an RTO device for simultaneously treating a plurality of waste gases and esterification water comprises a first furnace body unit and a second furnace body unit which are communicated; the first furnace body unit comprises a first bracket, a heat storage box chamber and a first combustion chamber which are fixedly connected in sequence from bottom to top; an air inlet pipe and an air outlet pipe are arranged below the heat storage box chamber; the first combustion chamber is provided with a first high-temperature pipeline interface and a first combustor interface; the second furnace body unit comprises a second bracket and a second combustion chamber, and the second bracket supports the second combustion chamber; and the second combustion chamber is provided with a second high-temperature pipeline interface, a second combustor interface and an esterification water connecting pipe.
Further, the second combustion chamber is communicated with the first combustion chamber in the horizontal direction, and the first combustion chamber and the second combustion chamber are rectangular cylinders.
The second combustion chamber is arranged at one end of the first combustion chamber in an extending manner, and the esterification water interface, the second high-temperature interface and the second combustor interface are arranged on the second combustion chamber, so that the RTO device can treat various waste gases, particularly waste gases containing easily-polymerized substances and esterification water at the same time, the utilization rate of the RTO device is improved, and the cost is reduced.
Further, the first furnace body unit further comprises a wind division structure, the wind division structure is fixedly connected to the first support and communicated with the air inlet pipe and the air outlet pipe, and waste gas to be treated enters the heat storage box chamber through the wind division structure.
Further, one end of the wind division area structure, which is close to the heat storage box, is horn-shaped.
The arrangement of the wind division structure can enable the waste gas passing through the air inlet to uniformly enter the heat storage box chamber. Meanwhile, one end of the wind division area structure, which is close to the heat storage box chamber, is arranged in a horn shape, so that dead zones can be avoided to the maximum extent, and waste gas can be further facilitated to uniformly enter the heat storage box chamber.
Further, a purging air pipe is further arranged on one side, close to the air outlet pipe, of the air dividing area structure.
The blowing air pipe is arranged on one side, close to the air outlet pipe, of the air dividing area structure, so that waste gas remained in the air outlet pipe can be blown off to the maximum extent, and the concentration of purified gas exhausted by the air outlet pipe is ensured to meet the design requirement.
Further, a heat storage ceramic grid support is fixedly connected below the heat storage box chamber; the lower part and the upper part of the heat accumulating ceramic grid support are respectively of a rectangular pipe structure and a grid structure.
By adopting the heat storage ceramic grid supporting structure, the stability of the heat storage box chamber can be further improved; meanwhile, the heat storage ceramic grid support is designed into a lower rectangular pipe and upper grid type, so that on one hand, the cost can be reduced, and on the other hand, the heat storage function of the heat storage box chamber can be better realized.
Further, an air inlet valve is arranged on the air inlet pipe, an air outlet valve is arranged on the air outlet pipe, and the air inlet valve and the air outlet valve are independently arranged. Two valves are arranged on the air inlet pipe and the air outlet pipe, so that independent control of the air inlet valve and the air outlet valve can be realized, and the control, maintenance and overhaul of the valves are facilitated.
Further, the number of the heat storage boxes is at least 2. The arrangement of a plurality of heat storage boxes can improve the working efficiency of the RTO furnace, and meanwhile, the quantity of the heat storage boxes can be adjusted according to actual needs, so that more application scenes are met.
Further, a first explosion venting device, a first sight glass and an inspection manhole are further arranged on the first combustion chamber.
Further, a second explosion venting device and a second sight glass are also arranged on the second combustion chamber.
The first combustion chamber and the second combustion chamber are provided with the independent explosion venting device and the sight glass, so that the control independence of the two combustion chambers can be further enhanced, and the safety is further improved.
According to the utility model, through arranging the first furnace body unit and the second furnace body unit which are communicated, various waste gases and esterification water can be treated simultaneously, the structure is simple, the cost is low, the application scene of the RTO device is expanded, and the utilization efficiency of the RTO device is improved. Meanwhile, the structure of the air dividing area, the blowing air pipe and the like are arranged, so that the purification rate of waste gas is further improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a front view of an RTO apparatus for simultaneously treating a plurality of exhaust gases and esterification water according to the present utility model;
FIG. 2 is a left side view of an RTO apparatus for simultaneously treating a plurality of exhaust gases and esterification water according to the present utility model;
FIG. 3 is a right side view of an RTO apparatus for simultaneously treating a plurality of exhaust gases and esterification water according to the present utility model;
FIG. 4 is a cross-sectional view of an RTO apparatus for simultaneously treating a plurality of exhaust gases and esterification water according to the present utility model.
Reference numerals illustrate:
1. a first furnace unit; 11. a first bracket; 12. a heat storage tank; 13. a first combustion chamber; 14. an air inlet pipe; 15. an air outlet pipe; 16. a wind division structure; 17. blowing an air pipe; 18. a heat accumulating ceramic grid support; 131. a first high temperature pipe interface; 132. a first burner interface; 133. a first explosion venting device; 134. a first mirror; 135. a manhole is inspected; 2. a second furnace unit; 21. a second bracket; 22. a second combustion chamber; 221. a second high temperature pipe interface; 222. a second burner interface; 223. an esterification water connecting pipe; 224. a second explosion venting device; 225. and a second mirror.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.
An RTO apparatus for simultaneously treating a plurality of exhaust gases and esterification water, see FIG. 1, includes a first furnace unit 1 and a second furnace unit 2. The first furnace body unit 1 is a conventional RTO furnace, and the main body structure comprises a first bracket 11, a heat storage box chamber 12 and a first combustion chamber 13 which are fixedly connected in sequence from bottom to top. In this embodiment, the number of the heat storage chambers 12 is 3, and the heat storage chambers are fixed on the lower first bracket 11 by means of bolting, and the first bracket 11 is preferably a steel structure bracket, so that the strength requirement can be met and the cost can be controlled. The first combustion chamber 13 is fixedly installed above the heat storage tank chamber 12 by means of a bolt connection. In other embodiments of the utility model, the number of thermal storage compartments 12 may also be a number, for example 2 or 5.
In the present embodiment, referring to fig. 1, the second furnace unit 2 includes a second bracket 21 and a second combustion chamber 22. The second combustion chamber 22 is fastened to the lower second support 21 by means of bolting, the second support 21 preferably being a portal support structure.
In this embodiment, the first combustion chamber 13 and the second combustion chamber 22 are both rectangular cylindrical structures, and the contact parts of the first combustion chamber 13 and the second combustion chamber 22 are fixedly connected by welding, so that the first combustion chamber 13 and the second combustion chamber 22 are communicated in the horizontal direction, and further the communication between the first furnace unit 1 and the second furnace unit 2 is realized.
Further, referring to fig. 2 and 3, a first high temperature pipe interface 131, a first burner interface 132, a first explosion venting device 133, a first sight glass 134, and an inspection manhole 135 are provided on the cylinder of the first combustion chamber 13. The cylinder of the second combustion chamber 22 is provided with a second high-temperature pipeline interface 221, a second combustor interface 222, an esterification water connecting pipe 223, a second explosion venting device 224 and a second sight glass 225.
In the present embodiment, referring to fig. 1, the cylindrical surface of the first combustion chamber 13 in the direction approaching the second combustion chamber 22 is defined as the right side surface of the first combustion chamber 13; the opposite side of the right side of the first combustion chamber 13 is defined as the left side of the first combustion chamber 13; front and rear two faces perpendicular to the left side face of the first combustion chamber 13 and the right side face of the first combustion chamber 13 are defined as a front side face of the first combustion chamber 13 and a rear side face of the first combustion chamber 13, respectively; the upper and lower surfaces perpendicular to the left side surface of the first combustion chamber 13 and the right side surface of the first combustion chamber 13 are defined as an upper side surface of the first combustion chamber 13 and a lower side surface of the first combustion chamber 13, respectively. Similarly, a cylindrical surface of the second combustion chamber 22 in a direction close to the first combustion chamber 13 is defined as a left side surface of the second combustion chamber 22; the opposite side of the left side of the second combustion chamber 22 is defined as the right side of the second combustion chamber 22; front and rear two faces perpendicular to the left side face of the second combustion chamber 22 and the right side face of the second combustion chamber 22 are defined as a front side face of the second combustion chamber 22 and a rear side face of the second combustion chamber 22, respectively; the upper and lower surfaces perpendicular to the left side surface of the second combustion chamber 22 and the right side surface of the second combustion chamber 22 are defined as the upper side surface of the second combustion chamber 22 and the lower side surface of the second combustion chamber 22, respectively.
In the present embodiment, referring to fig. 1, 2, 3 and 4, the first high temperature pipe interface 131 and the first sight glass 134 are both provided on the left side surface of the first combustion chamber 13; the first burner interface 132 and the service manhole 135 are both provided on the front side of the first combustion chamber 13; the number of the first explosion venting devices 133 is 2, and all are provided on the upper side of the first combustion chamber 13. The first high-temperature pipeline interface 131 is used for connecting a high Wen Paikong valve, when the temperature in the first combustion chamber 13 exceeds a program set value, the high-temperature exhaust valve is opened to release the temperature, so that the temperature in the first combustion chamber 13 is always in a normal operation temperature range required by design, and the overall safety of the furnace body is ensured; the first burner interface 132 may be externally connected to a combustion heating device for heating the first combustion chamber 13, and in other embodiments of the present utility model, the first burner interface 132 and its externally connected combustion heating device may be directly replaced with an electrical heating device.
The second high temperature pipe interface 221 is provided at the rear side of the second burner 22; the second burner interface 222 is disposed on the right side of the second combustion chamber 22; the esterification water connection pipe 223 and the second explosion venting device 224 are arranged on the upper side surface of the second combustion chamber 22; a second sight glass 225 is disposed on the front side of the second combustion chamber 22. Wherein the second high temperature pipeline interface 221 is used for introducing the waste gas to be treated, in particular the waste gas with high concentration and easily polymerized substances, into the second combustion chamber 22; the esterification water connection pipe 223 is used for introducing esterification water to be treated into the second combustion chamber 22; the second burner interface 222 may also be coupled to an external combustion heating device for heating the second combustion chamber 22, and in other embodiments of the present utility model, the second burner interface 222 and its external combustion heating device may be directly replaced with an electrical heating device.
In addition, in this embodiment, the first combustion chamber 13 and the second combustion chamber 22 are respectively provided with an independent explosion venting device (the first explosion venting device 133 and the second explosion venting device 224) and a sight glass (the first sight glass 134 and the second sight glass 225), so that the independence of the control of the two combustion chambers can be further enhanced, and the safety is further improved. The provision of the service manhole 135 also provides convenience for later equipment maintenance.
It should be noted that, in other embodiments of the present utility model, the arrangement positions of the first high-temperature pipeline interface 131, the first burner interface 132, the first explosion venting device 133, the first sight glass 134, and the inspection manhole 135 on the first combustion chamber 13 may be other distributed arrangements; the arrangement of the second high-temperature pipe interface 221, the second burner interface 222, the esterification water connection pipe 223 and the second explosion venting device 224 on the second combustion chamber 22 can also be other scattered arrangement modes. Furthermore, in other embodiments of the present utility model, the number of first explosion venting devices 133 and second explosion venting devices 224 may be other values.
In the present embodiment, referring to fig. 3, the first furnace unit 1 further includes an air inlet pipe 14 and an air outlet pipe 15 provided directly below the heat storage tank 12. In addition, the air inlet pipe 14 and the air outlet pipe 15 are communicated, and the air dividing structure 16 is welded on the first bracket 11.
In other embodiments of the present utility model, the first support 11, the air dividing structure 16, the air inlet pipe 14, the air outlet pipe 15, the air inlet valve and the air outlet valve may be an integral structure, so as to further simplify the overall structure of the furnace body.
In the exhaust gas treatment process of the present embodiment, after the exhaust gas enters the first furnace unit 1 through the air inlet pipe 14, the exhaust gas first passes through the air dividing structure 16, so that the exhaust gas enters the heat storage chamber 12 at a relatively uniform speed. Further, in this embodiment, the end of the wind partition structure 16 near the heat storage chamber 12 is configured as a horn structure, which can maximally avoid the dead zone, and further facilitate the exhaust gas to uniformly enter the heat storage chamber 12.
Further, a blowing air pipe 17 is arranged on one side of the air dividing structure 16 close to the air outlet pipe 15. In this embodiment, the purge air pipe 17 is disposed on one side of the air dividing structure 16 close to the air outlet pipe 15, so that the waste gas remaining in the air outlet pipe 15 can be blown off to the maximum extent, and the concentration of the purified gas discharged from the air outlet pipe 15 is ensured to meet the design requirement.
Further, a heat accumulating ceramic grid support 18 is fixedly connected below the heat accumulating box chamber 12. The lower and upper portions of the thermal storage ceramic grid support 18 are rectangular tube structures and grid structures, respectively. The stability of the heat storage chamber 12 can be further improved; meanwhile, the heat accumulating ceramic grid support 18 is designed into a lower rectangular pipe and upper grid type, so that on one hand, the cost can be reduced, and on the other hand, the support strength of the heat accumulating ceramic grid support 18 is also increased.
Further, in this embodiment, an air inlet valve (not shown in the drawing) is disposed on the air inlet pipe 14, an air outlet valve (not shown in the drawing) is disposed on the air outlet pipe 15, the air inlet valve and the air outlet valve are independently disposed, and in operation, the two valves can realize independent control of the air inlet pipe and the air outlet pipe, and are convenient for maintenance and overhaul when the valves fail.
The RTO device for simultaneously treating various waste gases and esterification water in this embodiment can be matched with a molecular sieve rotating wheel device with an adsorption concentration function to simultaneously treat various waste gases and esterification water. The method comprises the following steps:
(1) And concentrating the low-concentration waste gas by a concentrating device to obtain desorption waste gas. At this time, an intake valve on the intake pipe 14 is opened, desorption exhaust gas enters the bottom of the first furnace unit 1 through the intake pipe 14, enters the heat storage box 12 after being uniformly mixed through the air dividing structure 18, and then enters the first combustion chamber 13 for oxidative decomposition after being heated through ceramics in the heat storage box 12.
(2) For the higher concentration exhaust gas, it may be mixed with the desorbed exhaust gas, and then subjected to the exhaust gas treatment process in (1) above, to complete oxidative decomposition of the exhaust gas in the first combustion chamber 13.
(3) For the exhaust gas containing easily polymerizable substances at a high concentration, it is necessary to process it by the second furnace unit 2. The high-concentration waste gas containing the easily polymerizable substances to be treated enters the second combustion chamber 22 via the second high-temperature pipe interface 221 for combustion treatment.
(4) For liquid esterification water, it is also necessary to process it by the second furnace unit 2. The esterification water to be treated enters the second combustion chamber 22 through the esterification water connecting pipe 223, is connected into combustion heating equipment through the second burner interface 222 to carry out high-temperature treatment, and ensures that the esterification water to be treated is fully gasified under the flowing action of the waste gas entering from the second high-temperature connecting pipe 221 and then is subjected to combustion treatment in the second combustion chamber 22.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the utility model as defined by the appended claims and their equivalents.
Claims (10)
1. An RTO device for simultaneously treating a plurality of waste gases and esterification water is characterized by comprising a first furnace body unit and a second furnace body unit which are communicated;
the first furnace body unit comprises a first bracket, a heat storage box chamber and a first combustion chamber which are fixedly connected in sequence from bottom to top;
an air inlet pipe and an air outlet pipe are arranged below the heat storage box chamber;
the first combustion chamber is provided with a first high-temperature pipeline interface and a first combustor interface;
the second furnace body unit comprises a second bracket and a second combustion chamber, and the second bracket supports the second combustion chamber;
and the second combustion chamber is provided with a second high-temperature pipeline interface, a second combustor interface and an esterification water connecting pipe.
2. The RTO device for simultaneously treating a plurality of exhaust gases and esterification water according to claim 1, wherein the second combustion chamber is in horizontal communication with the first combustion chamber; the first combustion chamber and the second combustion chamber are rectangular cylinders.
3. The RTO device for simultaneously treating a plurality of waste gases and esterified water according to claim 1, wherein the first furnace unit further comprises a wind division structure which is fixedly connected to the first bracket and is communicated with the air inlet pipe and the air outlet pipe, and the waste gas to be treated enters the heat storage box chamber through the wind division structure.
4. The RTO device for simultaneously treating a plurality of exhaust gases and esterified water according to claim 3, wherein one end of the wind dividing structure near the heat accumulating box chamber is horn-shaped.
5. The RTO device for simultaneously treating multiple types of waste gases and esterified water according to claim 4, wherein a purge air pipe is further arranged on one side of the air dividing structure, which is close to the air outlet pipe.
6. The RTO device for simultaneously treating a plurality of waste gases and esterified water according to claim 1, wherein a heat accumulating ceramic grid support is fixedly connected below the heat accumulating box chamber; the lower part and the upper part of the heat accumulating ceramic grid support are respectively of a rectangular pipe structure and a grid structure.
7. The RTO device for simultaneously treating a plurality of waste gases and esterified water according to claim 1, wherein an air inlet valve is arranged on the air inlet pipe, an air outlet valve is arranged on the air outlet pipe, and the air inlet valve and the air outlet valve are independently arranged.
8. The RTO device for simultaneously treating a plurality of exhaust gases and esterification water according to claim 1, wherein the number of the heat storage chambers is at least 2.
9. The RTO device for simultaneously treating a plurality of waste gases and esterified water according to claim 1, wherein the first combustion chamber is further provided with a first explosion venting device, a first sight glass and an inspection manhole.
10. The RTO device for simultaneously treating a plurality of exhaust gases and esterified water according to claim 1, wherein a second explosion venting device and a second sight glass are further arranged on the second combustion chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320900654.4U CN219976448U (en) | 2023-04-20 | 2023-04-20 | RTO device for simultaneously treating various waste gases and esterified water |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320900654.4U CN219976448U (en) | 2023-04-20 | 2023-04-20 | RTO device for simultaneously treating various waste gases and esterified water |
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| CN219976448U true CN219976448U (en) | 2023-11-07 |
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| CN202320900654.4U Active CN219976448U (en) | 2023-04-20 | 2023-04-20 | RTO device for simultaneously treating various waste gases and esterified water |
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| Country | Link |
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| CN (1) | CN219976448U (en) |
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