CN115751336A - Safe online self-cleaning industrial organic waste gas treatment system - Google Patents
Safe online self-cleaning industrial organic waste gas treatment system Download PDFInfo
- Publication number
- CN115751336A CN115751336A CN202211365185.7A CN202211365185A CN115751336A CN 115751336 A CN115751336 A CN 115751336A CN 202211365185 A CN202211365185 A CN 202211365185A CN 115751336 A CN115751336 A CN 115751336A
- Authority
- CN
- China
- Prior art keywords
- chamber
- waste gas
- organic waste
- wind channel
- air
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Incineration Of Waste (AREA)
Abstract
The invention relates to a safe online self-cleaning industrial organic waste gas treatment system which comprises a gas inlet system, a regenerative chamber oxidation reaction system, a combustion system and an exhaust system, wherein the gas inlet system is connected with the exhaust system through the regenerative chamber oxidation reaction system; the regenerator oxidation reaction system comprises an oxidation chamber, a reverse combustion chamber and an odd number of regenerators, wherein the bottom parts of the regenerators and the reverse combustion chamber are respectively provided with an inlet air channel, a purging air channel and an outlet air channel. The safe online self-cleaning industrial organic waste gas treatment system is provided with a back-burning chamber, the low-temperature area and the low-temperature air channel at the lower part of the heat storage ceramic are heated to a certain temperature by utilizing the heat accumulated in a heat accumulation manner through a back-burning process, the viscous substances in the original tar deposition state are heated and gasified, online self-cleaning operation is carried out on the low-temperature areas, and the gas phase part returns to carry out secondary incineration treatment.
Description
Technical Field
The invention relates to the technical field of environmental protection, in particular to a safe online self-cleaning industrial organic waste gas treatment system.
Background
The conventional regenerative oxidation reactor is composed of three chambers, five chambers or more odd chambers, taking three chambers as an example, one inlet and one outlet purge is performed during operation, and two inlets and two outlets and one purge are performed in five chambers.
But in some manufacturing industries, such as: in the subdivision industries of asphalt preparation, waterproof materials, coke correlation, phthalic anhydride preparation and the like, the components of organic waste gas generated in the production process are quite complex, the waste gas often contains viscous substances in a state similar to tar, and the viscous substances in the state similar to the tar form deposits at various positions where the waste gas passes, such as a low-temperature region of a heat storage material of a heat storage type oxidation reactor, a common channel, an inlet/outlet air duct, a poppet valve sealing surface and the like, and the deposits are adhered to the surfaces where all the waste gas passes; the heat storage material of the heat storage type oxidation reactor is very easy to be blocked by viscous substances in a tar state because the waste gas channel is narrow and the specific surface is very large. These
The deposition and blockage of the above-mentioned viscous substances in the regenerative oxidation reactor system have the following consequences:
1. the blockage of the organic waste gas on the inner surface of the heat storage material causes the interruption of operation, the long-term operation cannot be realized, the normal operation of main production equipment is influenced, and an unplanned shutdown event is caused.
2. The serious deposition of the viscous materials at all places will form a serious safety hazard, and once the materials are ignited by high temperature, the materials will cause fire accidents.
3. The volatile matter of tar-like sticky substances deposited at the bottoms of the common channel, the outlet air duct and the chimney pollutes the clean gas which is processed by the regenerative oxidation reactor and reaches the standard, so that the clean gas is discharged out of the standard.
In addition, because the RTO operating temperature is higher than 760 ℃, is much higher than the ignition point and the flash point of most organic matters, and belongs to open fire equipment, when the waste gas from a workshop fluctuates greatly, or gas or the internal and external environments meet the flash explosion conditions, flash explosion accidents occur, and therefore more comprehensive safety precaution measures are needed.
Disclosure of Invention
The invention aims to provide a safe online self-cleaning industrial organic waste gas treatment system, which aims to solve the problems that viscous substances are easy to deposit and block in a heat accumulating type oxidation reactor system and safety precautionary measures are incomplete.
In order to achieve the purpose, the invention provides the following technical scheme: the safe online self-cleaning industrial organic waste gas treatment system comprises a gas inlet system, a regenerative chamber oxidation reaction system, a combustion system and an exhaust system, wherein the gas inlet system is connected with the exhaust system through the regenerative chamber oxidation reaction system;
the regenerator oxidation reaction system comprises an oxidation chamber, a reverse combustion chamber and odd regenerators, wherein an inlet air channel, a purging air channel and an outlet air channel are respectively installed at the bottoms of the regenerators and the reverse combustion chamber, corresponding switching valves are respectively installed on the inlet air channel, the purging air channel and the outlet air channel, the inlet air channel and the purging air channel are respectively connected with an air inlet system, and the outlet air channel is connected with a discharge system.
Preferably, the air intake system includes the admission line, the air intake connection of admission line and GRTO fan, install LEL inspection appearance and spark arrester on the admission line, and install the trip valve on the admission line between LEL inspection appearance and the spark arrester, be connected with return air duct and air guide pipeline on the admission line, and all install the trip valve on return air duct and the air guide pipeline, the import wind channel is connected with the air outlet of GRTO fan, sweep the wind intake connection of wind channel and GRTO fan.
Preferably, combustion system contains the combustor, the combustor passes through the pipeline and is connected with natural gas source and combustion-supporting wind system respectively, install on the pipeline between natural gas source and the combustor and pick up hourglass authentication monitoring point, and pick up hourglass authentication monitoring point both sides and install the trip valve, install a plurality of furnace flame detection device on the combustor.
Preferably, the discharging system comprises an air mixing box, an air inlet of the air mixing box is connected with an outlet air channel, clean air is discharged to a chimney through the air mixing box, a high-temperature hot bypass pipeline is connected between the air mixing box and the top of the oxidation chamber, and a pneumatic valve is installed on the high-temperature hot bypass pipeline.
Preferably, the number of the heat storage chambers is three or five, and in operation, the three chambers are a first air inlet chamber, a second air outlet chamber and a first purging chamber, and the five chambers are a second air inlet chamber, a second air outlet chamber and a first purging chamber.
Preferably, the inner wall of the regenerator oxidation reaction system is coated with a mm-level efficient temperature-resistant heat-insulating coating, and the outer side of the efficient temperature-resistant heat-insulating coating is provided with an RTO heat-insulating material ceramic fiber cotton layer.
Preferably, the internal structures of the reverse combustion chamber and the heat storage chamber are the same, the first grating, the barrier layer, the second grating and the heat storage ceramic are arranged from bottom to top, and the furnace walls of the first grating and the second grating are provided with access doors.
Preferably, the porosity of the heat storage ceramic gradually decreases from bottom to top.
Compared with the prior art, the invention has the beneficial effects that: the safe online self-cleaning industrial organic waste gas treatment system,
1. a back burning chamber is arranged, the low-temperature areas and the low-temperature air channels at the lower part of the heat storage ceramics are heated to a certain temperature by utilizing the heat accumulated in the heat accumulation mode through a back burning process, the viscous substances in the original tar deposition state are heated and gasified, the low-temperature areas are subjected to online self-cleaning operation, and the gas phase part returns to be subjected to secondary burning treatment;
2. an LEL inspection tester, a leakage detection authentication monitoring point and a hearth flame detection device are arranged to realize waste gas concentration detection, fuel gas leakage detection authentication and hearth flame state detection, so that safety protection measures are further improved;
3. the porosity of the heat storage ceramic gradually decreases from bottom to top, and the blocking resistance of the whole bed layer is improved; simultaneously, increase one deck barrier layer between two layers of grids for resident plug, in addition, increase an access door between two layers of grids, conveniently wash or change the barrier layer through this access door, effectively prolong heat accumulation pottery life cycle.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of a reverse combustion chamber of the present invention;
FIG. 3 is a schematic structural diagram of the ceramic fiber wool layer of the high-efficiency temperature-resistant heat-insulating coating and the RTO heat-insulating material of the invention;
fig. 4 is a schematic structural view of the missing authentication monitoring point of the present invention.
In the figure: 1. an air intake system; 2. a regenerator oxidation reaction system; 3. a combustion system; 4. an exhaust system;
11. an air intake duct; 12. an LEL inspection tester; 13. a flame arrestor; 14. a shut-off valve; 15. a return air duct; 16. an air guide duct; 17. a GRTO fan;
21. an oxidation chamber; 22. a reverse burning chamber; 23. a regenerator; 24. an inlet duct; 25. a purging air channel; 26. an outlet duct; 27. a switching valve; 28. a high-efficiency temperature-resistant heat-insulating coating; 29. a layer 29 of RTO insulation ceramic fibre wool;
2201. a first grid; 2202. a barrier layer; 2203. a second grid; 2204. a heat-accumulating ceramic; 2205. an access door;
31. a burner; 32. a natural gas source; 33. a combustion air system; 34. detecting missing authentication monitoring points; 35. a hearth flame detection device;
41. a wind mixing box; 42. a high temperature hot bypass line; 43. a pneumatic valve.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a safe type is from online automatically cleaning industry organic waste gas processing system, includes air intake system 1, regenerator oxidation reaction system 2, combustion system 3 and discharge system 4, and air intake system 1 is connected with discharge system 4 through regenerator oxidation reaction system 2, and combustion system 3 is located regenerator oxidation reaction system 2 upper portions.
The regenerator oxidation reaction system 2 comprises an oxidation chamber 21, a reverse combustion chamber 22 and an odd number of regenerators 23, inlet air channels 24, purging air channels 25 and outlet air channels 26 are respectively installed at the bottoms of the regenerators 23 and the reverse combustion chamber 22, corresponding switching valves 27 are respectively installed on the inlet air channels 24, the purging air channels 25 and the outlet air channels 26, the inlet air channels 24 and the purging air channels 25 are respectively connected with the air inlet system 1, and the outlet air channels 26 are connected with the discharge system 4.
The air inlet system 1 sends the organic waste gas into an inlet air duct 24, and the organic waste gas is sequentially sent into the heat storage chambers 23 through the switching valves 27, the organic waste gas enters the oxidation chamber 21 to be fully combusted after the heat storage chambers 23 are heated to reach the combustion temperature, organic matters are converted into CO2 and H2O, and then the organic waste gas sequentially enters the next heat storage chamber 23, the plurality of heat storage chambers 23 are switched through the switching valves 27 to realize air inlet, air outlet and blowing, meanwhile, a large amount of heat is stored in the heat storage ceramics 2204 of the heat storage chambers 23, and after the clean air temperature is reduced to the exhaust air temperature, the organic waste gas is sequentially sent into an outlet air duct 26 through the outlet switching valves 27 and finally discharged through the discharge system 4;
on the basis of the original odd number of the heat storage chambers 23, a reverse combustion chamber 22 is added, the heat stored in a heat storage manner is utilized, through a reverse combustion process, the lower low-temperature region and the low-temperature air duct of the heat storage ceramic 2204 are heated to a certain temperature, the viscous substances in the original tar deposition state are heated and gasified, the low-temperature regions are subjected to online self-cleaning operation, and the gas phase part returns to the oxidation chamber 21 to be subjected to secondary incineration treatment.
Wherein, the switching valve 27 adopts a high-efficiency zero-leakage poppet valve, and the closing time of the poppet valve is controlled within 0.8 s; the leakage rate of the poppet valve is controlled below 0.00015%; internal leakage between a waste gas inlet and a waste gas outlet is reduced to the maximum extent, the treatment efficiency of the GRTO furnace is effectively improved, the treatment efficiency of the GRTO is more than 99.6 percent, the concentration of non-methane total hydrocarbons at the outlet of the chimney can be reduced to below 10mg/Nm, and the highest emission standard of domestic environmental protection at present is completely met.
Air intake system 1 includes air inlet pipe 11, air inlet pipe 11 and the air intake connection of GRTO fan 17, install LEL inspection appearance 12 and spark arrester 13 on the air inlet pipe 11, and install trip valve 14 on the air inlet pipe 11 between LEL inspection appearance 12 and the spark arrester 13, be connected with return air duct 15 and air guide pipeline 16 on the air inlet pipe 11, and all install trip valve 14 on return air duct 15 and the air guide pipeline 16, import wind channel 24 is connected with GRTO fan 17's air outlet, sweep wind channel 25 and GRTO fan 17's air intake connection.
When the LEL tester 12 detects that the concentration of the organic waste gas is higher than 25% LEL, the shut-off valve 14 on the air inlet pipe 11 is closed, and the shut-off valve 14 on the air guide pipe 16 is opened to lead out the explosive waste gas.
The setting distance between the LEL inspection instrument 12 and the cut-off valve 14 on the air inlet pipeline 11 needs to meet the requirement of the response time of the LEL inspection instrument 12 + the closing time of the cut-off valve 14 on the air inlet pipeline 11 +2s, so that the high-concentration waste gas detected by the LEL inspection instrument 12 is blocked by the cut-off valve 14 on the air inlet pipeline 11 before entering the RTO furnace, and meanwhile, the cut-off valve 14 on the air guide pipeline 16 is opened to lead out explosive waste gas.
The combustion system 3 comprises a burner 31, the burner 31 is respectively connected with a natural gas source 32 and a combustion-supporting air system 33 through pipelines, as shown in fig. 4, a leakage detection authentication monitoring point 34 is installed on the pipeline between the natural gas source 32 and the burner 31, and two sides of the leakage detection authentication monitoring point 34 are provided with a cut-off valve 14, so that double cut-off control is realized, the leakage of the natural gas valve is prevented, the gas leakage detection authentication is required before ignition is executed each time, the gas leakage detection authentication cannot pass, and the furnace is forbidden.
The combustor 31 is provided with a plurality of hearth flame detection devices 35, the hearth flame detection devices 35 have a self-checking function, can continuously detect the flame state of the hearth, and transmit signals to a controller panel of the combustor 31, so that the differential pressure between the oxidation chamber 21 and the combustion air is too small to prevent insufficient combustion of gas, the system establishes differential pressure authentication, and the furnace is forbidden if the differential pressure authentication is failed.
The exhaust system 4 comprises an air mixing box 41, an air inlet of the air mixing box 41 is connected with the outlet air duct 26, the clean air is discharged to a chimney through the air mixing box 41, a high-temperature hot bypass pipeline 42 is connected between the air mixing box 41 and the top of the oxidation chamber 21, and a pneumatic valve 43 is installed on the high-temperature hot bypass pipeline 42.
When the temperature of the hearth exceeds a set value, the pneumatic valve 43 can be accurately opened, the high-temperature hot bypass pipeline 42 is arranged to have a certain length, the certain retention time of the waste gas entering the high-temperature hot bypass pipeline 42 is ensured, and the oxidation is fully completed.
The number of the heat storage chambers 23 is three or five, and when the heat storage chamber operates, the three chambers are a first air inlet chamber, a second air outlet chamber and a first purging chamber, and the five chambers are a second air inlet chamber, a second air outlet chamber and a first purging chamber.
As shown in FIG. 3, the inner wall of the regenerator oxidation reaction system 2 is coated with a mm-level high-efficiency temperature-resistant heat-insulating coating 28, and an RTO heat-insulating material ceramic fiber cotton layer 29 is arranged outside the high-efficiency temperature-resistant heat-insulating coating 28.
The greater the temperature difference between the wall surface temperature of the regenerator oxidation reaction system 2 and the ambient temperature, the greater the heat dissipation of the regenerator oxidation reaction system 2 to the environment, and therefore reducing the wall surface temperature of the regenerator oxidation reaction system 2 is an important means of energy conservation. The high-efficiency temperature-resistant heat-insulating coating 28 with the mm level is coated on the inner wall surface of the furnace, and the RTO heat-insulating material ceramic fiber cotton layer 29 is arranged outside the high-efficiency temperature-resistant heat-insulating coating 28, so that the original furnace wall surface temperature can be reduced by more than 10 ℃, the environmental heat dissipation of the regenerator oxidation reaction system 2 can be effectively reduced by more than 25 percent, and the heat efficiency can be improved to more than 96 percent.
As shown in fig. 2, the internal structures of the back-burning chamber 22 and the heat-storage chamber 23 are the same, the first grid 2201, the barrier layer 2202, the second grid 2203 and the heat-storage ceramic 2204 are arranged from bottom to top, and the access doors 2205 are arranged on the walls of the first grid 2201 and the second grid 2203, so that the barrier layer 2202 can be conveniently cleaned or replaced through the access doors 2205, and the service cycle of the heat-storage ceramic 2204 can be effectively prolonged.
The porosity of the heat storage ceramic 2204 is gradually reduced from bottom to top, the porosity of the heat storage ceramic 2204 at the lower layer is greater than that of the heat storage ceramic 2204 at the upper layer, and the aim of increasing the blocking resistance of the whole bed layer is mainly to the working condition that the waste gas containing ammonia (amine) and halogen easily generates solid condensate after being combusted in special industries.
The working principle is as follows: taking three chambers as an example, as shown in fig. 1, the regenerator oxidation reaction system 2 comprises three regenerators 23 and one reverse combustion chamber 22, and in normal operation, the three regenerators 23 are switched by the inlet duct 24, the purge duct 25 and the switching valve 27 on the outlet duct 26 to realize one inlet, one outlet and one purge, and the switching time of each regenerator 23 is about 120s-180s;
the reverse combustion chamber 22 is operated independently, when the reverse combustion chamber 22 is operated, the switching valve 27 on the purging air channel 25 is opened, the switching valve 27 on the inlet air channel 24 and the purging air channel 25 is closed, at the moment, the operation state is equivalent to the purging state, and the difference is that the switching time is longer than the purging time, so that higher reverse combustion temperature can be obtained, the switching time of the reverse combustion chamber 22 takes the time required by the temperature of the reverse combustion chamber 22 to reach the reverse combustion temperature as the switching time, and after the reverse combustion chamber 22 finishes one switching time, the purging chamber which normally operates is replaced, and the next round of reverse combustion operation is carried out;
tail gas pumped out by the reverse combustion chamber 22 and the blowing chamber returns to an inlet of the GRTO fan 17 and returns to the regenerator oxidation reaction system 2 for secondary combustion, so that clean gas emission is guaranteed to reach the standard;
through a back-burning process, a low-temperature area and a low-temperature air duct at the lower part of the heat storage ceramic 2204 are heated to a certain temperature, viscous substances in an original tar deposition state are heated and gasified, and online self-cleaning operation is carried out on the low-temperature areas;
under the working condition that viscous substances containing tar are treated and are easy to accumulate in a low-temperature area, organic sediments in the low-temperature area can be kept in a state allowed by a treatment process all the time, long-period operation of the GRTO furnace is guaranteed, unplanned parking or frequent parking cleaning operation caused by blockage is avoided, and the influence of waste gas treatment equipment faults on a main production process is reduced to the minimum.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (8)
1. The utility model provides an online automatically cleaning industry organic waste gas processing system of safe type, includes induction system (1), regenerator oxidation reaction system (2), combustion system (3) and discharge system (4), induction system (1) is connected with discharge system (4) through regenerator oxidation reaction system (2), combustion system (3) are located regenerator oxidation reaction system (2) upper portion, its characterized in that: regenerator oxidation reaction system (2) is including oxidation chamber (21), anti-burning chamber (22) and odd number regenerator (23), import wind channel (24), sweep wind channel (25) and export wind channel (26) are all installed to regenerator (23) and anti-burning chamber (22) bottom, and all install corresponding diverter valve (27) on import wind channel (24), sweep wind channel (25) and export wind channel (26), import wind channel (24) and sweep wind channel (25) all are connected with air intake system (1), export wind channel (26) are connected with discharge system (4).
2. The safety type online self-cleaning industrial organic waste gas treatment system according to claim 1, wherein: air intake system (1) includes admission line (11), the air intake connection of admission line (11) and GRTO fan (17), install LEL inspection tester (12) and spark arrester (13) on admission line (11), and install trip valve (14) on admission line (11) between LEL inspection tester (12) and spark arrester (13), be connected with return air duct (15) and air guide pipeline (16) on admission line (11), and all install trip valve (14) on return air duct (15) and air guide pipeline (16), import wind channel (24) are connected with the air outlet of GRTO fan (17), sweep the air intake connection of wind channel (25) and GRTO fan (17).
3. The safety type online self-cleaning industrial organic waste gas treatment system according to claim 2, wherein: combustion system (3) contain combustor (31), combustor (31) are connected with natural gas source (32) and combustion-supporting air system (33) respectively through the pipeline, install on the pipeline between natural gas source (32) and combustor (31) and pick up hourglass authentication monitoring point (34), and pick up hourglass authentication monitoring point (34) both sides and install trip valve (14), install a plurality of furnace flame detection device (35) on combustor (31).
4. The safety type online self-cleaning industrial organic waste gas treatment system according to claim 3, wherein: exhaust system (4) contain and mix wind box (41), the air intake department of mixing wind box (41) is connected with export wind channel (26), and clean gas is discharged to the chimney through mixing wind box (41), be connected with high temperature hot by pass pipeline (42) between mixing wind box (41) and oxidation chamber (21) top, and install pneumatic valve (43) on high temperature hot by pass pipeline (42).
5. The safety type on-line self-cleaning industrial organic waste gas treatment system according to any one of claims 1 to 4, wherein: the number of the heat storage chambers (23) is three or five, and during operation, the three chambers are a gas inlet chamber, a gas outlet chamber and a purging chamber, and the five chambers are two gas inlet chambers, two gas outlet chambers and a purging chamber.
6. The safety type on-line self-cleaning industrial organic waste gas treatment system as claimed in claim 5, wherein: the inner wall of the regenerator oxidation reaction system (2) is coated with a layer of mm-level efficient temperature-resistant heat-insulating coating (28), and the outer side of the efficient temperature-resistant heat-insulating coating (28) is provided with an RTO heat-insulating material ceramic fiber cotton layer (29).
7. The safety type online self-cleaning industrial organic waste gas treatment system according to claim 1, wherein: the internal structures of the reverse combustion chamber (22) and the heat storage chamber (23) are the same, a first grating (2201), a barrier layer (2202), a second grating (2203) and heat storage ceramic (2204) are arranged from bottom to top, and an access door (2205) is arranged on the furnace wall of the first grating (2201) and the furnace wall of the second grating (2203).
8. The safety type on-line self-cleaning industrial organic waste gas treatment system according to claim 7, wherein: the porosity of the heat storage ceramic (2204) is gradually reduced from bottom to top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211365185.7A CN115751336A (en) | 2022-11-03 | 2022-11-03 | Safe online self-cleaning industrial organic waste gas treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211365185.7A CN115751336A (en) | 2022-11-03 | 2022-11-03 | Safe online self-cleaning industrial organic waste gas treatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115751336A true CN115751336A (en) | 2023-03-07 |
Family
ID=85355576
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211365185.7A Pending CN115751336A (en) | 2022-11-03 | 2022-11-03 | Safe online self-cleaning industrial organic waste gas treatment system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115751336A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117968078A (en) * | 2024-04-01 | 2024-05-03 | 常州市宏发纵横新材料科技股份有限公司 | Tail gas treatment system and waste heat utilization method for PAN-based carbon fiber production line |
-
2022
- 2022-11-03 CN CN202211365185.7A patent/CN115751336A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117968078A (en) * | 2024-04-01 | 2024-05-03 | 常州市宏发纵横新材料科技股份有限公司 | Tail gas treatment system and waste heat utilization method for PAN-based carbon fiber production line |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202118926U (en) | Heat storage type thermal oxidation device | |
| CN1916490B (en) | Smokeless burning technique and equipment with fire fontanel being setup inside furnace | |
| CN115751336A (en) | Safe online self-cleaning industrial organic waste gas treatment system | |
| CN205402751U (en) | Waste gas incinerator | |
| CN101037193A (en) | Technology and device for producing yellow Phosphorus by electric oven process | |
| CN205979813U (en) | Handle heat accumulation formula of dust -laden VOC waste gas and burn device | |
| CN110486728A (en) | A kind of novel household garbage pyrolyzing, gasifying and incinerating system | |
| CN104930542A (en) | Ultra-supercritical coal-fired boiler unit start adjusting method and system | |
| CN211098341U (en) | SCR flue gas denitration device of garbage incinerator | |
| CN107937034A (en) | A kind of more burner entrained flow gasification furnace ignitings go into operation integrated apparatus and the method for feeding intake | |
| JP6232539B2 (en) | Solid fuel combustion apparatus, solid fuel combustion method, gas heating apparatus, liquid heating apparatus, power generation system, and cooling system | |
| CN206669761U (en) | Heat accumulating type oxidative system | |
| CN107990333A (en) | RTO emission-control equipments | |
| CN204943506U (en) | A kind of rotary kiln type continuous carbonization incinerator for thermal decomposition | |
| JP6232540B2 (en) | Solid fuel combustion apparatus, solid fuel combustion method, gas heating apparatus, liquid heating apparatus, power generation system, and cooling system | |
| CN211875682U (en) | Fire retardant system with dredging function | |
| CN209991469U (en) | Coking-blockage-preventing heat-accumulating organic waste gas oxidation furnace | |
| CN102072654A (en) | External combustion regenerative heater | |
| CN206669762U (en) | A kind of exhaust treatment system | |
| CN113739532A (en) | Wet material drying system capable of efficiently utilizing waste heat of combustible waste gas | |
| CN208365549U (en) | A kind of coal hydrogen manufacturing decarburization resolution gas incinerating and treating device | |
| CN111878840A (en) | Single-cylinder multi-valve heat accumulating type incinerator | |
| JP6277475B2 (en) | Solid fuel combustion apparatus, solid fuel combustion method, gas heating apparatus, liquid heating apparatus, power generation system, and cooling system | |
| CN201992985U (en) | External combustion type heat-storage heating furnace | |
| CN212746499U (en) | Waste gas concentration self-adaptation high temperature heat accumulation burner |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |