CN218188616U - Heat preservation equipment of yellow phosphorus furnace gas dry method dust collecting equipment - Google Patents
Heat preservation equipment of yellow phosphorus furnace gas dry method dust collecting equipment Download PDFInfo
- Publication number
- CN218188616U CN218188616U CN202222423908.6U CN202222423908U CN218188616U CN 218188616 U CN218188616 U CN 218188616U CN 202222423908 U CN202222423908 U CN 202222423908U CN 218188616 U CN218188616 U CN 218188616U
- Authority
- CN
- China
- Prior art keywords
- dust
- fixedly connected
- heat preservation
- gas
- yellow phosphorus
- 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.)
- Expired - Fee Related
Links
- 239000000428 dust Substances 0.000 title claims abstract description 54
- OBSZRRSYVTXPNB-UHFFFAOYSA-N tetraphosphorus Chemical compound P12P3P1P32 OBSZRRSYVTXPNB-UHFFFAOYSA-N 0.000 title claims abstract description 42
- 238000004321 preservation Methods 0.000 title claims abstract description 39
- 238000000034 method Methods 0.000 title claims abstract description 10
- 238000002485 combustion reaction Methods 0.000 claims abstract description 26
- 238000003860 storage Methods 0.000 claims abstract description 11
- 238000010892 electric spark Methods 0.000 claims abstract description 9
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 9
- 229910052698 phosphorus Inorganic materials 0.000 claims description 9
- 239000011574 phosphorus Substances 0.000 claims description 9
- 238000009833 condensation Methods 0.000 claims description 7
- 230000005494 condensation Effects 0.000 claims description 7
- 238000009825 accumulation Methods 0.000 claims description 6
- 238000007664 blowing Methods 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 3
- 230000008021 deposition Effects 0.000 claims description 2
- 238000000605 extraction Methods 0.000 claims description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 abstract description 2
- 235000017491 Bambusa tulda Nutrition 0.000 abstract description 2
- 241001330002 Bambuseae Species 0.000 abstract description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 abstract description 2
- 239000011425 bamboo Substances 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 72
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 10
- 238000007599 discharging Methods 0.000 description 7
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 229910002092 carbon dioxide Inorganic materials 0.000 description 5
- 239000001569 carbon dioxide Substances 0.000 description 5
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 238000011084 recovery Methods 0.000 description 4
- 238000001914 filtration Methods 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 229910002091 carbon monoxide Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Landscapes
- Incineration Of Waste (AREA)
Abstract
The utility model discloses a heat preservation device of yellow phosphorus furnace gas dry method dust collecting equipment, and relates to the technical field of yellow phosphorus furnace gas treatment. Including the combustion chamber shell, one side fixedly connected with electric spark of combustion chamber shell, the fixed heat preservation that is provided with in top of combustion chamber shell deposits the gas pitcher, the fixed back temperature pipe that is provided with in top that the gas pitcher was deposited in the heat preservation, the fixed blowback pump that is provided with in one end of back temperature pipe, the casing of giving vent to anger of bottom fixedly connected with of blowback pump, the fixed a plurality of blowback pipes that are provided with of output of blowback pump. The utility model discloses a setting of combustion chamber and heat preservation gas storage tank produces high-temperature gas and preserves combustible yellow phosphorus tail gas burning, when dust collector temperature descends, prevents the burner gas to get into through closing the admission valve, and rethread blowback pump blows in dust collector with high-temperature gas for dust collector heaies up rapidly, and strains a section of thick bamboo to dust removal and carry out the blowback dust removal in the intensification, has practiced thrift the demand to extra compressed gas cylinder, has improved the utilization ratio to tail gas.
Description
Technical Field
The utility model relates to the technical field of yellow phosphorus furnace gas treatment, in particular to heat preservation equipment of yellow phosphorus furnace gas dry-method dust removal equipment.
Background
In the industrial production process of yellow phosphorus, how to separate a high-quality and high-yield yellow phosphorus product from generated yellow phosphorus furnace gas is a key point of the whole production process, and the dry purification process of the yellow phosphorus furnace gas comprises the following steps: the method comprises the steps of filtering yellow phosphorus furnace gas generated in the production process, generally yellow phosphorus furnace gas discharged from an electric furnace, by using dry-method dust removal equipment to obtain clean yellow phosphorus furnace gas, introducing the clean yellow phosphorus furnace gas into a condensation recovery system to obtain yellow phosphorus solid and tail gas, wherein the yellow phosphorus solid can be sold as a finished product, evacuating and combusting the obtained tail gas, wherein the dry-method dust removal equipment at least comprises a filter for filtering high-temperature gas, and the high temperature is usually over 187.5 ℃, so that the filter needs to be kept warm to prevent the yellow phosphorus furnace gas from being cooled.
The utility model discloses a chinese utility model patent that publication number is CN205442645U discloses a yellow phosphorus stove gas dry process dust collecting equipment's heat preservation system, including filter, the condensation recovery system that is used for filtering the burner gas, link to each other through the air duct between filter and the condensation recovery system, the casing surface of filter is equipped with presss from both sides the cover, it presss from both sides the cover chamber to form confined between cover and the filter casing, press from both sides the cover chamber and heat supply device intercommunication, heat supply device is at least including the tail gas burner who provides the heat supply source, tail gas burner's air inlet and condensation recovery system's tail gas exhaust port intercommunication, it is equipped with discharge valve to press from both sides the cover. The heat preservation is carried out by burning tail gas, thereby reducing the production cost and saving energy.
The utility model discloses a although solved its problem of proposing in the background art, in the in-service use, the used filter core surface of filter furnace gas can accumulate a large amount of dusts, need set up extra blowpipe and compressed gas cylinder and carry out the blowback ash removal, and is comparatively troublesome, will set up heat transfer device simultaneously and heat the medium in the double-layered cover, consequently heats slowly. Therefore, the heat preservation equipment of the yellow phosphorus furnace gas dry method dust removal equipment is developed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a yellow phosphorus stove gas dry process dust collecting equipment's heat preservation equipment to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: heat preservation equipment of yellow phosphorus furnace gas dry process dust collecting equipment, including burner gas processing apparatus, burner gas processing apparatus includes the combustion chamber shell, one side fixedly connected with electric spark of combustion chamber shell, the one end intercommunication of electric spark is to the inside of combustion chamber shell, the fixed heat preservation storage tank that is provided with in top of combustion chamber shell, the fixed back temperature pipe that is provided with in top of heat preservation storage tank, the fixed burner gas dust collector that is provided with in one end of back temperature pipe, burner gas dust collector includes the blowback pump, the bottom fixedly connected with of blowback pump gives vent to anger the casing, the fixed a plurality of blowback pipes that are provided with of output of blowback pump.
Preferably, the one end fixedly connected with heat preservation dust removal casing of the casing of giving vent to anger, the both sides of heat preservation dust removal casing fixedly connected with slope fixed side board respectively, one of them one side fixedly connected with temperature sensor of the fixed side board of slope, the fixed admission valve that is provided with of opposite side, admission valve, blowback pump respectively with temperature sensor electric connection.
Preferably, a plurality of dust-removing filter cylinders are fixedly connected between the two inclined fixed side plates, one side of each dust-removing filter cylinder is fixedly connected with a filter cylinder sealing cover, and each blowback pipe extends into the inside of one dust-removing filter cylinder through the other side of the dust-removing filter cylinder.
Preferably, an ash discharge hopper is fixedly connected to the bottom end of the heat-preservation and dust-removal shell, an ash deposition box is fixedly connected to the bottom end of the ash discharge hopper, an air exhaust cylinder shell is fixedly connected to one side of the air exhaust shell, and an air exhaust fan is fixedly connected to the inner side of the air exhaust cylinder shell.
Preferably, one end of the air pumping cylinder shell is fixedly provided with a discharge pipe, and the outer side of the discharge pipe is wound with a condensation pipe.
Preferably, the bottom end of the discharge pipe is fixedly provided with a phosphorus accumulation box, and the top end of the phosphorus accumulation box is communicated with the combustion chamber shell.
Compared with the prior art, the beneficial effects of the utility model are that:
this yellow phosphorus stove gas dry process dust collecting equipment's heat preservation equipment, through the setting of combustion chamber and heat preservation storage tank, produce high-temperature gas and preserve combustible yellow phosphorus tail gas burning, when dust collector temperature descends, prevent the burner gas to get into through closing the admission valve, rethread blowback pump blows in high-temperature gas among the dust collector for dust collector warms up rapidly, and strain a section of thick bamboo to dust removal and carry out the blowback dust removal in the intensification, practiced thrift the demand to extra compressed gas cylinder, improved the utilization ratio to tail gas.
Drawings
Fig. 1 is an isometric view of the present invention;
FIG. 2 is a schematic view of the structure of the furnace gas dust removing device of the present invention;
FIG. 3 is a schematic structural view of the furnace gas treatment device of the present invention.
In the figure: 1. discharging the furnace gas out of the bin; 2. a furnace gas dust removal device; 201. an intake valve; 202. a temperature sensor; 203. a cartridge seal cap; 204. inclining the fixed side plate; 205. a heat-preservation dust-removal shell; 206. a dust removal filter cartridge; 207. a back-flushing pump; 208. an air extraction cylinder shell; 209. an air extracting fan; 210. a blowback pipe; 211. an air outlet shell; 212. an ash accumulation box; 213. an ash discharging hopper; 3. a furnace gas treatment device; 301. a temperature return pipe; 302. a heat-preservation gas storage tank; 303. a combustion chamber housing; 304. electric spark; 305. a phosphorus accumulation box; 306. a condenser tube; 307. and (4) discharging the pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
It should be noted that, in the description of the present invention, the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of description and simplification of the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Further, it will be appreciated that the dimensions of the various elements shown in the figures are not drawn to scale, for ease of description, e.g., the thickness or width of some layers may be exaggerated relative to other layers.
It should be noted that like reference numerals and letters refer to like items in the following figures, and thus, once an item is defined or illustrated in one figure, it will not need to be further discussed or illustrated in detail in the description of the following figure.
As shown in fig. 1-3, the utility model provides a technical solution:
the heat preservation equipment of the yellow phosphorus furnace gas dry-method dust removal equipment comprises a furnace gas treatment device 3, wherein the furnace gas treatment device 3 comprises a combustion chamber shell 303, one side of the combustion chamber shell 303 is fixedly connected with an electric spark 304, one end of the electric spark 304 is communicated to the inside of the combustion chamber shell 303, and meanwhile, a vent hole is formed in one side of the combustion chamber shell 303, so that outside air can enter the inside of the combustion chamber. In the production process of the yellow phosphorus furnace gas, the tail gas generated by the yellow phosphorus furnace gas contains 75-85% of carbon monoxide and about 4% of methane, so that the yellow phosphorus furnace gas can be combusted under the action of oxygen and sparks generated by electric sparks 304 to generate high-temperature carbon dioxide gas, and a heat-insulating gas storage tank 302 is fixedly arranged at the top end of the combustion chamber shell 303 and used for containing the carbon dioxide gas generated by combustion and maintaining the high temperature of the carbon dioxide gas. The top of heat preservation gas storage tank 302 is fixed and is provided with back temperature pipe 301, and the fixed burner gas dust collector 2 that is provided with of one end of back temperature pipe 301, burner gas dust collector 2 include blowback pump 207, and blowback pump 207's bottom fixedly connected with casing 211 of giving vent to anger, and blowback pump 207's output is fixed and is provided with a plurality of blowback pipes 210. Through the work of the back-blowing pump 207, the high-temperature carbon dioxide gas is blown into the furnace gas dust removal device 2, so that the temperature inside the furnace gas dust removal device 2 is rapidly increased. One end of the air outlet shell 211 is fixedly connected with a heat-insulating dust-removing shell 205, and the inner side of the heat-insulating dust-removing shell 205 is provided with a heat-insulating layer, so that the heat-insulating dust-removing shell has a good heat-insulating effect. Two sides of the heat-preservation dust-removal shell 205 are respectively and fixedly connected with an inclined fixed side plate 204, one side of one inclined fixed side plate 204 is fixedly connected with a temperature sensor 202, the other side of the inclined fixed side plate 204 is fixedly provided with an air inlet valve 201, and the air inlet valve 201 and a back-flushing pump 207 are respectively and electrically connected with the temperature sensor 202. In this embodiment, the gas inlet valve 201 is communicated with the furnace gas discharge bin 1, yellow phosphorus furnace gas enters the equipment through the gas inlet valve 201, and the furnace gas discharge bin 1 is a part of the yellow phosphorus production furnace. When the temperature sensor 202 senses that the temperature in the heat-preservation and dust-removal shell 205 cannot maintain the gaseous state of the yellow phosphorus steam, a signal is sent out, so that the air inlet valve 201 is closed, more yellow phosphorus steam is prevented from entering, and the blowback pump 207 is started to blow in high-temperature gas to heat the interior of the heat-preservation and dust-removal shell 205. A plurality of dust-removing filter cartridges 206 are fixedly connected between the two inclined fixed side plates 204, one side of each dust-removing filter cartridge 206 is fixedly connected with a filter cartridge sealing cover 203, and each blowback pipe 210 extends into the inside of one dust-removing filter cartridge 206 through the other side of the dust-removing filter cartridge 206. During use, dust can accumulate on the surface of the dust removing filter cartridge 206, so when high-temperature gas is blown in, the dust on the dust removing filter cartridge 206 can be blown down when the temperature inside the heat-preservation dust removing shell 205 is increased, and the dust removing effect is achieved. The bottom end of the heat-preservation dust-removal shell 205 is fixedly connected with the dust outlet hopper 213, the bottom end of the dust outlet hopper 213 is fixedly connected with the dust box 212, dust blown down from the dust-removal filter cartridge 206 can fall into the dust box 212 through the dust outlet hopper 213, and the dust box 212 is provided with a drawer, so that workers can clean the dust in the dust box conveniently. An air exhaust cylinder shell 208 is fixedly connected to one side of the air outlet shell 211, and an air exhaust fan 209 is fixedly connected to the inner side of the air exhaust cylinder shell 208. The air in the air outlet housing 211 is extracted by the operation of the air extracting fan 209, and the arrangement of the two inclined fixed side plates 204 separates the internal space of the air outlet housing 211 from the internal space of the heat-insulating and dust-removing housing 205, so that all the air entering the air outlet housing 211 passes through the dust-removing filter cartridge 206 first, and the extracted air is ensured to have better dust-free performance. A discharge pipe 307 is fixedly arranged at one end of the air extracting cylinder shell 208, and a condensation pipe 306 is wound outside the discharge pipe 307. Through the cooling water that flows in this condenser pipe 306, make the yellow phosphorus steam in the discharging pipe 307 cool down rapidly, thereby produce yellow phosphorus, the bottom mounting of discharging pipe 307 is provided with long phosphorus case 305, in this embodiment, discharging pipe 307 lets in long phosphorus case 305's inside, and deposit more diluted sodium hydroxide solution in long phosphorus case 305, and the bottom of discharging pipe 307 stretches into in the solution, make the yellow phosphorus of production get into aquatic and preserve, avoid spontaneous combustion, simultaneously diluted sodium hydroxide can not react with yellow phosphorus, but can absorb the carbon dioxide in the tail gas, the top of long phosphorus case 305 is linked together with combustion chamber shell 303 simultaneously, consequently, the tail gas that gets into the combustion chamber is for more pure carbon monoxide and methane, convenient burning. Meanwhile, a pressure reducing valve is arranged on the heat-preservation gas storage tank 302, when the gas in the heat-preservation gas storage tank 302 is excessive, the gas change is discharged through the pressure reducing valve, and the external gas is prevented from being mixed.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. Heat preservation equipment of yellow phosphorus furnace gas dry process dust collecting equipment, including burner gas processing apparatus (3), its characterized in that: the furnace gas processing device (3) comprises a combustion chamber shell (303), one side of the combustion chamber shell (303) is fixedly connected with an electric spark (304), one end of the electric spark (304) is communicated to the inside of the combustion chamber shell (303), the top end of the combustion chamber shell (303) is fixedly provided with a heat-insulating gas storage tank (302), the top end of the heat-insulating gas storage tank (302) is fixedly provided with a temperature return pipe (301), one end of the temperature return pipe (301) is fixedly provided with a furnace gas dust removal device (2), the furnace gas dust removal device (2) comprises a back-blowing pump (207), the bottom end of the back-blowing pump (207) is fixedly connected with a gas outlet shell (211), and the output end of the back-blowing pump (207) is fixedly provided with a plurality of back-blowing pipes (210).
2. The heat preservation equipment of the yellow phosphorus furnace gas dry dedusting equipment according to the claim 1, is characterized in that: one end fixedly connected with heat preservation dust removal casing (205) of casing (211) of giving vent to anger, the both sides difference fixedly connected with slope fixed curb plate (204) of heat preservation dust removal casing (205), one of them one side fixedly connected with temperature sensor (202) of slope fixed curb plate (204), the fixed admission valve (201) that are provided with of opposite side, admission valve (201), blowback pump (207) respectively with temperature sensor (202) electric connection.
3. The heat preservation equipment of the yellow phosphorus furnace gas dry dedusting equipment as claimed in claim 2, is characterized in that: a plurality of dust-removing filter cylinders (206) are fixedly connected between the two inclined fixed side plates (204), one side of each dust-removing filter cylinder (206) is fixedly connected with a filter cylinder sealing cover (203), and each blowback pipe (210) extends into the inside of one dust-removing filter cylinder (206) through the other side of the dust-removing filter cylinder (206).
4. The heat preservation equipment of the yellow phosphorus furnace gas dry dedusting equipment as claimed in claim 2, is characterized in that: the bottom end of the heat-preservation dust-removal shell (205) is fixedly connected with an ash outlet hopper (213), the bottom end of the ash outlet hopper (213) is fixedly connected with an ash deposition box (212), one side of the air outlet shell (211) is fixedly connected with an air exhaust cylinder shell (208), and the inner side of the air exhaust cylinder shell (208) is fixedly connected with an air exhaust fan (209).
5. The heat preservation device of the yellow phosphorus furnace gas dry dedusting device according to claim 4, characterized in that: one end of the air extraction cylinder shell (208) is fixedly provided with a discharge pipe (307), and the outer side of the discharge pipe (307) is wound with a condensation pipe (306).
6. The heat preservation equipment of the yellow phosphorus furnace gas dry method dust removal equipment of claim 5, which is characterized in that: the bottom end of the discharge pipe (307) is fixedly provided with a phosphorus accumulation box (305), and the top end of the phosphorus accumulation box (305) is communicated with the combustion chamber shell (303).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222423908.6U CN218188616U (en) | 2022-09-13 | 2022-09-13 | Heat preservation equipment of yellow phosphorus furnace gas dry method dust collecting equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222423908.6U CN218188616U (en) | 2022-09-13 | 2022-09-13 | Heat preservation equipment of yellow phosphorus furnace gas dry method dust collecting equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218188616U true CN218188616U (en) | 2023-01-03 |
Family
ID=84632903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222423908.6U Expired - Fee Related CN218188616U (en) | 2022-09-13 | 2022-09-13 | Heat preservation equipment of yellow phosphorus furnace gas dry method dust collecting equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218188616U (en) |
-
2022
- 2022-09-13 CN CN202222423908.6U patent/CN218188616U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201735287U (en) | High-temperature dust remover of ceramic filter drum | |
| CN205442645U (en) | Yellow phosphor furnace air drying dust collecting equipment's heat preservation system | |
| CN113773859A (en) | High-temperature carbonization furnace | |
| CN218188616U (en) | Heat preservation equipment of yellow phosphorus furnace gas dry method dust collecting equipment | |
| CN112048872A (en) | High-intelligent self-cleaning environment-friendly energy-saving shaping dryer | |
| CN110925775A (en) | Comprehensive treatment box for waste incineration flue gas | |
| CN106085475A (en) | A kind of biomass continuous decomposition process and device | |
| CN210945666U (en) | Converter gas dry dedusting recovery system | |
| CN201735285U (en) | Boiler flue dust filtration and purification apparatus | |
| CN211847164U (en) | Activated carbon production equipment | |
| CN213238431U (en) | Waste heat recycling system of ceramic kiln | |
| CN213395357U (en) | Dust removing equipment | |
| CN210620698U (en) | Horizontal high-temperature carbonization furnace | |
| CN213090458U (en) | Waste heat recycling device used in ceramic processing process | |
| CN213984703U (en) | Carbon black waste heat recovery device | |
| CN201165514Y (en) | Negative-pressure type energy-saving environment-protective coal gas producer and coal gas purifier | |
| CN211232888U (en) | Comprehensive treatment box for waste incineration flue gas | |
| CN210373484U (en) | Thermoprinting and surface waste gas catalytic oxidation treatment and heat energy recovery device | |
| CN213453689U (en) | Boiler convenient to clean ashes | |
| CN211393862U (en) | Yellow phosphorus electric stove tail gas air exhaust system | |
| CN218993437U (en) | Flue gas purifying structure | |
| CN210625154U (en) | Micro-fuel drying equipment | |
| CN217928838U (en) | Hot gas waste heat recovery device for boiler | |
| CN118325635B (en) | Two-step dry distillation system | |
| CN221505050U (en) | Flue gas heat storage system of coal-fired boiler |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20230103 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |