CN115654517A - Treatment method and treatment equipment for organic particulate matter waste gas - Google Patents
Treatment method and treatment equipment for organic particulate matter waste gas Download PDFInfo
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- CN115654517A CN115654517A CN202211421933.9A CN202211421933A CN115654517A CN 115654517 A CN115654517 A CN 115654517A CN 202211421933 A CN202211421933 A CN 202211421933A CN 115654517 A CN115654517 A CN 115654517A
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Abstract
The application discloses organic particulate matter waste gas treatment method and treatment equipment, wherein the treatment method comprises the following steps: organic particle waste gas is directly conveyed to a combustion chamber of the regenerative combustion furnace through a conveying pipe, and is mixed with the organic waste gas which enters the combustion chamber after being heated by a heat accumulator of the regenerative combustion furnace, and the organic particle waste gas and the organic waste gas are combusted in the combustion chamber together. This application has changed organic particulate matter waste gas and has got into the mode that the regenerative combustion furnace was fired, will be originally with ordinary organic waste gas from the regenerator entering combustion chamber together, change into and directly get into the combustion chamber burning that the regenerative combustion furnace was fired through the conveying pipeline. The treatment mode can solve the problem that organic particulate waste gas is softened and blocks honeycomb heat storage holes when passing through the heat storage chamber in the original method.
Description
Technical Field
The invention relates to the field of waste gas treatment, in particular to a treatment method and treatment equipment for organic particulate waste gas.
Background
The existing method for treating waste gas in regenerative combustion furnace is that the waste gas enters the lower chamber body from the lift valve, then is preheated by the heat storage bricks (heat storage bodies) in the lower chamber body, and then enters the upper chamber body to be combusted after reaching a certain temperature, the heat storage is used for preheating the organic waste gas which enters subsequently, thereby saving the fuel consumption of waste gas heating. After the heat storage bricks release heat, a proper amount of clean air is immediately introduced to clean the heat storage bricks of the lower chamber body (so as to ensure that the VOC removal rate is more than 98%), and a heat storage procedure can be performed only after the heat storage bricks are cleaned, otherwise, residual VOCS is discharged to a chimney along with flue gas, so that the treatment efficiency is reduced. The heat storage brick is usually a honeycomb ceramic heat storage body, the heat exchange area of the heat storage brick is directly related to the pore diameter and the wall thickness of the honeycomb ceramic, the smaller the pore diameter is, the thinner the wall thickness is, the larger the surface area is, the larger the heat exchange area is, and the higher the heat exchange efficiency is.
When organic particles are mixed in the waste gas, the temperature in the heat storage bricks does not reach the combustion temperature, the organic particles reach the melting temperature in the honeycomb ceramic holes of the heat storage bricks to melt and block the honeycomb ceramic holes of the heat storage bodies, so that the required pressure drop through the heat storage bricks is increased, finally, after the heat storage bricks are completely blocked, the waste gas cannot enter the upper chamber body through the heat storage bricks, and the heat storage type combustion furnace loses the capability of waste gas treatment.
Disclosure of Invention
The invention provides a method and equipment for treating organic particulate waste gas, aiming at the problems.
The technical scheme adopted by the invention is as follows:
the organic waste gas is directly conveyed to a combustion chamber of a regenerative combustion furnace through a conveying pipe, and is mixed with organic waste gas which enters the combustion chamber after being heated by the regenerative chamber of the regenerative combustion furnace, and the organic waste gas are combusted in the combustion chamber together.
This application has changed organic particulate matter waste gas and has got into the mode that the regenerative combustion furnace was fired, will be originally with ordinary organic waste gas from the regenerator entering combustion chamber together, change into and directly get into the combustion chamber burning that the regenerative combustion furnace was fired through the conveying pipeline. The treatment method can solve the problem that organic particulate waste gas is softened and blocks honeycomb heat storage holes when passing through the heat storage chamber in the original method.
According to the heat storage device, the heat storage body of the heat storage chamber does not need to pass through organic particulate waste gas, so that the aperture of the honeycomb ceramic hole in the heat storage body can be relatively small, the volume of the heat storage chamber and the number of heat storage bricks are reduced, and the manufacturing cost is reduced; because the organic waste gas passing through the regenerative chamber does not contain components coking or softening at high temperature, the overhaul and maintenance time of the regenerative chamber combustion furnace can be reduced, the replacement times of the regenerative bricks are reduced, and the use cost is reduced.
The application also discloses equipment for treating the organic particulate waste gas, which comprises a regenerative combustion furnace and a feed delivery pipe;
the regenerative combustion furnace includes:
the combustion furnace body is provided with a combustion chamber and at least two mutually independent regenerative chambers, the combustion chamber is distributed above the regenerative chambers, the combustion chamber is provided with intercommunicating channels, and the combustion chamber is connected with each regenerative chamber through the corresponding intercommunicating channel; the outlet of the material conveying pipe is communicated with the combustion chamber, and the material conveying pipe is used for conveying organic particulate matter waste gas to the combustion chamber; the regenerator is provided with an organic waste gas inlet, a waste discharge port and a purging gas inlet;
the heat accumulators are arranged in the corresponding heat accumulators, and the organic waste gas inlet, the waste discharge port and the purging gas inlet are all positioned at one end of the heat accumulators, which is back to the combustion chamber;
a burner disposed in the combustion chamber;
the organic waste gas conveying pipe is communicated with the organic waste gas inlets of the heat storage chambers through pipelines;
the purging pipe is communicated with the purging air inlets of the heat storage chambers through pipelines;
and the waste discharge pipe is communicated with the waste discharge ports of the heat storage chambers through pipelines.
In one embodiment of the present invention, the system further comprises a plurality of control valves, the opening and closing of the organic waste gas inlet is controlled by the corresponding control valve, the opening and closing of the waste discharge port is controlled by the corresponding control valve, and the opening and closing of the purge gas inlet is controlled by the corresponding control valve.
The control valve can be arranged on the corresponding pipeline, and the opening and the closing of the organic waste gas inlet, the waste discharge port and the purging air inlet are independently controlled by controlling the opening and the closing of the corresponding pipeline.
In one embodiment of the present invention, the feed delivery pipes are spaced apart from each other in the combustion chamber; the organic particulate waste gas treatment equipment also comprises a main material conveying pipe, and each material conveying pipe is communicated with the main material conveying pipe;
the device is characterized in that a conveying fan is arranged on the conveying main pipe and used for conveying organic particulate waste gas to the combustion chamber.
In one embodiment of the invention, the number of the material conveying pipes is the same as that of the heat storage chambers, the material conveying pipes are matched with the heat storage chambers in a one-to-one correspondence manner, and the outlets of the material conveying pipes are positioned right above or obliquely above the corresponding heat storage chambers.
The organic particulate waste gas is guided through the plurality of conveying pipes, so that the retention time of the organic particulate waste gas in the combustion chamber is ensured, and the treatment effect is ensured.
In one embodiment of the present invention, there are three regenerators, which are a first regenerator, a second regenerator and a third regenerator.
In one embodiment of the present invention, the burner is provided with a gas pipe and a combustion-supporting gas pipe.
In one embodiment of the present invention, the heat accumulator is a honeycomb ceramic heat accumulator.
In one embodiment of the invention, the system further comprises a main fan, an induced draft fan and a purging fan;
the main fan is arranged on the organic waste gas conveying pipe and is used for conveying organic waste gas to the combustion furnace body;
the purging fan is arranged on the purging pipe and used for purging residual organic matters in the heat accumulator in the heat accumulation chamber;
the induced draft fan is arranged on the waste discharge pipe and used for pumping the treated waste gas out of the combustion furnace body.
The beneficial effects of the invention are: this application has changed organic particulate matter waste gas and has got into the mode that the regenerative combustion furnace was fired, will be originally with ordinary organic waste gas from the regenerator entering combustion chamber together, change into and directly get into the combustion chamber burning that the regenerative combustion furnace was fired through the conveying pipeline. The treatment mode can solve the problem that organic particulate waste gas is softened and blocks honeycomb heat storage holes when passing through the heat storage chamber in the original method.
Drawings
Fig. 1 is a schematic view of a device for treating an organic particulate exhaust gas.
The various reference numbers in the figures are:
1. a regenerative combustion furnace; 10. a furnace body; 101. a combustion chamber; 102. an intercommunication channel; 103a, a first regenerator; 103b, a second regenerator; 103c, a third regenerator; 104. an organic waste gas inlet; 105. a waste discharge port; 106. purging the air inlet; 11. a heat accumulator; 12. a burner; 121. a gas pipe; 122. a combustion-supporting gas pipe; 13. an organic waste gas delivery pipe; 14. a purge tube; 15. a waste discharge pipe; 16. a main fan; 17. an induced draft fan; 18. blowing the fan; 20a, a first material conveying pipe; 20b, a second conveying pipeline; 20c, a third conveying pipeline; 21. a main material conveying pipe; 22. defeated material fan.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. The components of the embodiments of the present application, as generally described and illustrated in the figures herein, could be arranged and designed in a wide variety of different configurations.
In the description of the present application, it should be noted that the terms "inside", "outside", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the application usually place when using, and are only used for convenience in describing the present application and simplifying the description, but do not indicate or imply that the devices or elements that are referred to must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
In the description of the present application, it is also to be noted that, unless otherwise explicitly specified or limited, the terms "disposed" and "connected" are to be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
The present invention will now be described in detail with reference to the drawings.
As shown in FIG. 1, in a method for treating organic particulate matter waste gas, the organic particulate matter waste gas is directly conveyed to a combustion chamber 101 of a regenerative combustion furnace 1 through conveying pipes (20 a, 20b, 20 c), and is mixed with the organic waste gas which enters the combustion chamber 101 after being heated by a regenerative chamber of the regenerative combustion furnace 1, and the organic particulate matter waste gas and the organic waste gas are combusted in the combustion chamber 101.
This application has changed organic particulate matter waste gas and has got into the mode that regenerative combustion furnace 1, will be originally with ordinary organic waste gas from the regenerator gets into combustion chamber 101 together, change into through the direct combustion chamber 101 that gets into regenerative combustion furnace 1 of conveying pipeline burning. The treatment method can solve the problem that organic particulate waste gas is softened and blocks honeycomb heat storage holes when passing through the heat storage chamber in the original method.
In the application, the heat accumulator 11 of the heat accumulator does not need to pass through organic particulate waste gas, so the aperture of the honeycomb ceramic hole in the heat accumulator 11 can be relatively smaller, the volume of the heat accumulator and the number of heat accumulation bricks are reduced, and the manufacturing cost is reduced; because the organic waste gas passing through the regenerative chamber does not contain components coking or softening at high temperature, the overhaul and maintenance time of the regenerative chamber combustion furnace can be reduced, the replacement times of the regenerative bricks are reduced, and the use cost is reduced.
As shown in fig. 1, the present embodiment also discloses an apparatus for treating exhaust gas of organic particulate matter, comprising a regenerative combustion furnace 1 and feed pipes (20 a, 20b, 20 c);
the regenerative combustion furnace 1 includes:
the combustion furnace body 10 is provided with a combustion chamber 101 and three mutually independent regenerative chambers, namely a first regenerative chamber 103a, a second regenerative chamber 103b and a third regenerative chamber 103c, wherein the combustion chamber 101 is distributed above the regenerative chambers, the combustion chamber 101 is provided with intercommunicating passages 102, and the combustion chamber 101 is connected with each regenerative chamber through the corresponding intercommunicating passages 102; the outlet of the delivery pipe is communicated with the combustion chamber 101, and the delivery pipe is used for delivering the organic particulate waste gas to the combustion chamber 101; three regenerators (a first regenerator 103a, a second regenerator 103b and a third regenerator 103 c) are each provided with an organic waste gas inlet 104, a waste outlet 105 and a purge gas inlet 106;
the regenerators 11 are installed in the corresponding regenerators, and the organic waste gas inlet 104, the waste discharge port 105 and the purge gas inlet 106 are all positioned at one end of each regenerator 11, which is back to the combustion chamber 101;
a burner 12 disposed in the combustion chamber 101;
the organic waste gas conveying pipe 13 is communicated with the organic waste gas inlet 104 of each regenerative chamber through a pipeline;
the purging pipe 14 is communicated with the purging air inlet 106 of each regenerative chamber through a pipeline;
the waste discharge pipe 15 is communicated with the waste discharge port 105 of each regenerator through a pipeline.
In practical use, the number of the regenerative chambers can be 2 or more than 3.
In this embodiment, a plurality of control valves (not shown) are further included, the opening and closing of the organic waste gas inlet 104 is controlled by the corresponding control valves, the opening and closing of the waste discharge port 105 is controlled by the corresponding control valves, and the opening and closing of the purge gas inlet 106 is controlled by the corresponding control valves.
The control valves described herein may be installed on the corresponding pipes to control the opening and closing of the organic waste gas inlet 104, the waste gas outlet 105, and the purge gas inlet 106 individually.
In this embodiment, there are a plurality of material delivery pipes, which are arranged in the combustion chamber 101 at intervals; the organic particulate matter waste gas treatment equipment also comprises a main material conveying pipe 21, and each material conveying pipe is communicated with the main material conveying pipe 21;
the delivery main pipe 21 is provided with a delivery fan 22, and the delivery fan 22 is used for delivering the organic particulate waste gas to the combustion chamber 101.
In this embodiment, the number of the material conveying pipes is the same as that of the regenerators, and there are 3 material conveying pipes, namely, a first material conveying pipe 20a, a second material conveying pipe 20b and a third material conveying pipe 20c, the material conveying pipes and the regenerators are matched in a one-to-one correspondence manner, and the outlets of the material conveying pipes are located right above or obliquely above the corresponding regenerators. Each conveying pipeline can be independently controlled to be opened or closed. The organic particulate waste gas is guided through the plurality of conveying pipes, so that the retention time of the organic particulate waste gas in the combustion chamber 101 can be ensured, and the treatment effect is ensured.
As shown in fig. 1, in the present embodiment, a gas pipe 121 and a combustion-supporting gas pipe 122 are installed on the combustor 12.
In the present embodiment, the heat storage body 11 is a honeycomb ceramic heat storage body 11.
As shown in fig. 1, in the present embodiment, the system further includes a main blower 16, an induced draft fan 17, and a purge blower 18;
the main blower 16 is arranged on the organic waste gas conveying pipe 13 and is used for conveying the organic waste gas to the combustion furnace body 10;
the purging fan 18 is arranged on the purging pipe 14 and used for purging organic matters remained in the heat accumulator 11 in the heat accumulator;
the induced draft fan 17 is provided on the exhaust pipe 15 for drawing the treated exhaust gas out of the combustion furnace body 10.
One working form of the organic particulate matter exhaust gas treatment apparatus of the embodiment:
and (3) first circulation: in the first regenerator 103a, the organic waste gas (containing no organic particulate matter) passes through the high-temperature regenerator 11 in the first regenerator 103a, the regenerator 11 releases heat, the temperature decreases, the organic waste gas absorbs heat, the temperature increases, and the organic waste gas enters the combustion chamber 101 at a higher temperature after heat exchange in the first regenerator 103 a. Meanwhile, the exhaust gas of organic particulate matter directly enters the combustion chamber 101 through the first transporting pipe 20 a. After the organic particulate waste gas and the organic waste gas entering the combustion chamber 101 are mixed, the organic particulate waste gas and the organic waste gas are decomposed into CO2 and H2O gas due to higher temperature, if the temperature does not reach the oxidation temperature, the combustor 12 in the combustion chamber 101 heats the temperature in the combustion chamber 101 to the oxidation temperature; high-temperature waste gas is obtained after oxidative decomposition, the high-temperature waste gas enters the third heat storage chamber 103c, a large amount of heat is released to the heat storage body 11 in the third heat storage chamber 103c, the heat storage body 11 in the third heat storage chamber 103c absorbs a large amount of heat and then is heated, the cooled waste gas is exhausted from the waste exhaust pipe 15 under the action of the induced draft fan 17, the waste exhaust pipe 15 is usually connected to a chimney, and finally the waste gas is exhausted into the atmosphere through the chimney to complete waste gas treatment.
The second regenerator 103b is in a cleaning state, and the purge fan 18 blows the exhaust gas remaining in the regenerator 11 and the second regenerator 103b from the previous cycle of processing into the combustion chamber 101 again for pyrolysis to pass through the third regenerator 103c, and the exhaust gas is exhausted by the action of the induced fan 17.
After the first cycle is completed, a second cycle is then started: organic waste gas enters from the third regenerative chamber 103c, organic particulate waste gas is introduced into the combustion chamber 101 through the third material conveying pipe 20c, the obtained waste gas is discharged from the second regenerative chamber 103b, and the first regenerative chamber 103a performs a purging function.
After the second cycle is completed, a third cycle is then started: organic waste gas enters from the second heat storage chamber 103b, organic particulate waste gas is introduced into the combustion chamber 101 through the second material conveying pipe 20b, the obtained waste gas is discharged from the first heat storage chamber 103a, and the third heat storage chamber 103c performs a purging function.
Three cycles are grouped and the next group of cycles is repeated.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all equivalent structural changes made by using the contents of the present specification and the drawings, which are directly or indirectly applied to other related technical fields, are also included in the scope of the present invention.
Claims (9)
1. The method for treating the organic particulate waste gas is characterized in that the organic particulate waste gas is directly conveyed to a combustion chamber of a regenerative combustion furnace through a conveying pipe and is mixed with the organic waste gas which enters the combustion chamber after being heated by the regenerative chamber of the regenerative combustion furnace, and the organic particulate waste gas and the organic waste gas are combusted in the combustion chamber together.
2. The equipment for treating the organic particulate waste gas is characterized by comprising a regenerative combustion furnace and a conveying pipe;
the regenerative combustion furnace includes:
the combustion furnace body is provided with a combustion chamber and at least two mutually independent regenerative chambers, the combustion chamber is distributed above the regenerative chambers, the combustion chamber is provided with intercommunicating channels, and the combustion chamber is connected with each regenerative chamber through the corresponding intercommunicating channels; the outlet of the material conveying pipe is communicated with the combustion chamber, and the material conveying pipe is used for conveying organic particulate matter waste gas to the combustion chamber; the regenerator is provided with an organic waste gas inlet, a waste discharge port and a purging gas inlet;
the heat accumulators are arranged in the corresponding heat accumulators, and the organic waste gas inlet, the waste discharge port and the purging air inlet are all positioned at one end of each heat accumulator, which is back to the combustion chamber;
a burner disposed in the combustion chamber;
the organic waste gas conveying pipe is communicated with the organic waste gas inlets of the regenerative chambers through pipelines;
the purging pipe is communicated with the purging air inlets of the heat storage chambers through pipelines;
and the waste discharge pipe is communicated with the waste discharge port of each heat storage chamber through a pipeline.
3. The apparatus for treating an organic particulate exhaust gas according to claim 2, further comprising a plurality of control valves, the opening and closing of the organic exhaust gas inlet port being controlled by corresponding control valves, the opening and closing of the exhaust port being controlled by corresponding control valves, and the opening and closing of the purge gas inlet port being controlled by corresponding control valves.
4. The apparatus for treating an exhaust gas containing organic particulate matter according to claim 2, wherein the feed pipe has a plurality of pipes arranged at intervals in the combustion chamber; the equipment for treating the organic particulate waste gas also comprises a main material conveying pipe, and each material conveying pipe is communicated with the main material conveying pipe;
the device is characterized in that a conveying fan is arranged on the conveying main pipe and used for conveying organic particulate waste gas to the combustion chamber.
5. The apparatus for treating an exhaust gas containing organic particulate matter of claim 4, wherein the number of the feed pipes is the same as that of the regenerators, the feed pipes and the regenerators are fitted in a one-to-one correspondence, and the outlets of the feed pipes are located directly above or obliquely above the corresponding regenerators.
6. The apparatus for treating an exhaust gas containing organic particulate matter of claim 2, wherein there are three regenerators, namely a first regenerator, a second regenerator and a third regenerator.
7. The apparatus for treating an organic particulate exhaust gas according to claim 2, wherein the burner is provided with a combustion gas pipe and a combustion-supporting gas pipe.
8. The apparatus for treating an organic particulate matter exhaust gas according to claim 2, wherein the heat accumulator is a honeycomb ceramic heat accumulator.
9. The apparatus for treating an organic particulate exhaust gas according to claim 2, further comprising a main blower, an induced draft fan, and a purge blower;
the main fan is arranged on the organic waste gas conveying pipe and is used for conveying organic waste gas to the combustion furnace body;
the purging fan is arranged on the purging pipe and used for purging residual organic matters in the heat accumulator;
the induced draft fan is arranged on the waste discharge pipe and used for pumping the treated waste gas out of the combustion furnace body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211421933.9A CN115654517A (en) | 2022-11-14 | 2022-11-14 | Treatment method and treatment equipment for organic particulate matter waste gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211421933.9A CN115654517A (en) | 2022-11-14 | 2022-11-14 | Treatment method and treatment equipment for organic particulate matter waste gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115654517A true CN115654517A (en) | 2023-01-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211421933.9A Pending CN115654517A (en) | 2022-11-14 | 2022-11-14 | Treatment method and treatment equipment for organic particulate matter waste gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115654517A (en) |
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- 2022-11-14 CN CN202211421933.9A patent/CN115654517A/en active Pending
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Inventor after: Zhang Dan Inventor after: Yuan Xiangjian Inventor after: Wang Xiwen Inventor after: Wang Zhenglu Inventor after: Liang Chuncheng Inventor before: Zhang Dan Inventor before: Yuan Xiangjian Inventor before: Wang Xiwen Inventor before: Wang Zhenglu Inventor before: Liang Chuncheng |