CN216799233U - A exhaust treatment device for tombarthite production - Google Patents
A exhaust treatment device for tombarthite production Download PDFInfo
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- CN216799233U CN216799233U CN202122723409.4U CN202122723409U CN216799233U CN 216799233 U CN216799233 U CN 216799233U CN 202122723409 U CN202122723409 U CN 202122723409U CN 216799233 U CN216799233 U CN 216799233U
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Abstract
The utility model belongs to the technical field of rare earth production equipment, in particular to the field of waste gas treatment devices for rare earth production, and discloses a waste gas treatment device for rare earth production, which comprises an air inlet pipeline, a pretreatment pipe and a gas transmission pipeline, wherein the tail end of the air inlet pipeline is provided with a flow dividing pipe, the inner side of the pretreatment pipe is provided with an active carbon filter screen, the tail end of the gas transmission pipeline is provided with a purification box, the inner side of the purification box is provided with a cut-off plate, the inner side of the purification box is provided with a filter screen, a water collecting hopper is arranged below the active carbon filter screen, when the corresponding active carbon filter screen needs to be replaced or cleaned, a corresponding welding flange is found firstly, then the first pipeline or the second pipeline is closed through a manual valve, then the corresponding connecting bolt is disassembled, then the welding flange is taken down from the installation position of the first pipeline or the second pipeline, then the active carbon filter screen is replaced or cleaned, through the setting of sealed the pad, guarantee the leakproofness and the security of waste gas in transportation process.
Description
Technical Field
The utility model belongs to the technical field of rare earth production equipment, and particularly relates to a waste gas treatment device for rare earth production.
Background
Rare earth is a general name of seventeen metal elements including lanthanide elements, scandium and yttrium in the periodic table of elements, 250 rare earth ores exist in nature, because rare earth minerals discovered in the 18 th century are few, only a small amount of water-insoluble oxide can be prepared by a chemical method at that time, and the oxide is historically and habitually called 'soil', so the rare earth is named.
The earth is called as gold in the industry, because the earth has excellent physical properties such as photoelectromagnetism and the like, the earth can form novel materials with various performances and varieties with other materials, the most obvious function of the earth is to greatly improve the quality and the performance of other products, for example, the tactical performance of steel, aluminum alloy, magnesium alloy and titanium alloy for manufacturing tanks, airplanes and missiles is greatly improved, and the rare earth is also a lubricant for a plurality of high-tech technologies such as electronics, laser, nuclear industry, superconduction and the like.
SUMMERY OF THE UTILITY MODEL
Most of the existing waste gas treatment devices for rare earth production spray water bodies to waste gas through spray headers, and then the water bodies adsorb particle impurities in the waste gas and discharge the impurities, but the water bodies sprayed by the existing waste gas treatment devices are not fully contacted with the waste gas, so that the final purification effect of the waste gas is influenced. The utility model provides a waste gas treatment device for rare earth production, which is characterized in that a guide plate is arranged to slow down the flow speed of waste gas in a purification box and further improve the contact time of a water body and the waste gas, so that the treatment effect of the waste gas is improved.
The utility model provides the following technical scheme: the utility model provides a waste gas treatment device for tombarthite production, includes admission line, preliminary treatment pipe, gas transmission pipeline, admission line's end is provided with the shunt tubes, the end of shunt tubes is provided with first pipeline, second pipeline respectively, the inboard of preliminary treatment pipe is provided with the active carbon filter screen, gas transmission pipeline's end is provided with the purifying box, the inboard of purifying box is provided with the closure plate, the fixed mounting panel that is provided with of lower extreme of purifying box upper portion inner wall, the fixed shower nozzle that is provided with of lower extreme of mounting panel, the rear end of purifying box is provided with purifying water tank, the inboard of purifying box is provided with the filter screen, the below of filter screen is provided with the active carbon filter plate, the below of active carbon filter plate is provided with the water collecting bucket, purifying water tank's upper end is provided with the blast pipe.
The first pipeline and the second pipeline are same in size, the first pipeline and the second pipeline are arranged on the same horizontal plane, the outer rings of the first pipeline and the second pipeline are provided with four manual valves, the first pipeline, the second pipeline and the flow dividing pipe are communicated with each other, and the outer rings of the first pipeline and the second pipeline are provided with welding flanges; when the exhaust gas purification device is used, the first pipeline is adjusted to be in an open state through the manual valve, the second pipeline is adjusted to be in a closed state through the manual valve, at the moment, after exhaust gas is conveyed to the shunt pipe through the air inlet pipeline, the exhaust gas only enters the first pipeline due to the fact that the second pipeline is in the closed state, and the flowing path of the exhaust gas can be flexibly adjusted through the arrangement of the first pipeline and the second pipeline.
The device comprises a pretreatment pipe, a sealing gasket, a plurality of welding flanges, a plurality of connecting screw holes and a plurality of connecting bolts, wherein the pretreatment pipe is arranged in a cylindrical structure, the two pretreatment pipes are arranged in total, the inner sides of the pretreatment pipes are provided with sliding clamping grooves, the outer rings at the two ends of the pretreatment pipes are provided with the welding flanges, the inner sides of the welding flanges are provided with the connecting screw holes, and the sealing gasket is arranged between the two welding flanges fixedly arranged in the same group; when needing to change or wash corresponding active carbon filter screen, find corresponding welding flange earlier, then close first pipeline or second pipeline through manual valve, then pull down corresponding connecting bolt, then take off welding flange from first pipeline or second pipeline installation department, then change or wash the active carbon filter screen, through the setting of sealed pad, guarantee the leakproofness and the security of waste gas in transportation process.
The outer ring of the activated carbon filter screen is provided with sliding fixture blocks, the size and the number of the sliding fixture blocks are matched with those of the sliding fixture grooves, and the length of the sliding fixture blocks is the same as that of the pretreatment pipe; size, quantity through the slip fixture block and size, the quantity phase-match of slip draw-in groove for convenient and fast ground installs the activated carbon filter screen in the inboard of preliminary treatment pipe, through the setting of activated carbon filter screen, is used for carrying out preliminary absorption to the multiple impurity that contains in the waste gas.
The device comprises a water purifying tank, a high-pressure water pump, a spray head, a plurality of multi-way pipes and a water purifying device, wherein the water purifying tank is arranged in a rectangular structure, the upper end of the water purifying tank is provided with the high-pressure water pump, the output end of the high-pressure water pump is provided with the multi-way pipes, and the multi-way pipes are communicated with the spray head; when needs are handled waste gas, open the operation of high pressure water pump, then after waste gas gets into the purifying box via gas transmission pipeline, the water of high pressure water pump with the purifying water tank the inside passes through the multi-ported pipe and carries to the shower nozzle, then via the shower nozzle atomizing blowout, spun water produces convection current touching and contact with waste gas to realize the absorption to granule impurity in the waste gas at this in-process, then the water droplet that the parcel has granule impurity falls under the influence of gravity.
The purifying box is of a rectangular structure, the inner side of the purifying box is provided with a guide plate, the guide plate is of a wave-shaped structure, the number of the guide plates is two, the front end and the rear end of each guide plate are provided with fixed blocks, one end of each fixed block, far away from the guide plate, is fixedly connected with the inner wall of the purifying box through welding, the inner side of the guide plate is provided with guide holes, and the guide holes are of a honeycomb structure; through the setting of guide plate for slow down the mobile speed of waste gas in the purifying box the inside, and then improve the contact time of water and waste gas, thereby improve the treatment effect to waste gas.
The intercepting plate is arranged in a rectangular structure, the top end of the intercepting plate is fixedly welded and connected with the inner wall of the upper part of the purifying box, and the inner side of the intercepting plate is provided with a through groove which is a through hole groove in a rectangular structure; through the setting of closure plate for improve the dwell time and the friction area of the water droplet that the parcel has particle impurity, make its water droplet can be abundant whereabouts, and then improve the treatment effect to waste gas.
The filter screen and the activated carbon filter plate are both arranged in a rectangular structure, and the peripheries of the filter screen and the activated carbon filter plate are connected with the inner wall of the purification box; the falling water drops firstly pass through the filter screen and are used for filtering the falling water drops through the filter screen, and then the water drops continuously fall and pass through the active carbon filter plate and are used for removing peculiar smell in the water drops through the active carbon filter plate.
The lower end of the water collecting hopper is communicated with a drain pipe, and the outer ring of the drain pipe is provided with a drain valve; when the waste gas treatment device is used, the drain valve is set to be an intermittent valve which is opened and closed at intervals of a certain time, and the drain pipe is used for discharging sewage collected by the cleaning water collecting hopper in time.
The utility model has the beneficial effects that: when the exhaust gas purification device is used, the first pipeline is adjusted to be in an open state through the manual valve, the second pipeline is adjusted to be in a closed state through the manual valve, at the same time, after exhaust gas is conveyed to the shunt pipe through the air inlet pipeline, the exhaust gas only enters the first pipeline due to the fact that the second pipeline is in the closed state, the flowing path of the exhaust gas can be flexibly adjusted through arrangement of the first pipeline and the second pipeline, when a corresponding activated carbon filter screen needs to be replaced or cleaned, the corresponding welding flange is found, the first pipeline or the second pipeline is closed through the manual valve, then the corresponding connecting bolt is detached, the welding flange is taken down from the installation position of the first pipeline or the second pipeline, the activated carbon filter screen is replaced or cleaned, sealing performance and safety of the exhaust gas in the conveying process are guaranteed through arrangement of the sealing gasket, and the size of the sliding clamping block, Quantity and slip draw-in groove's size, quantity phase-match, be used for convenient and fast ground with the active carbon filter screen install in the inboard of preliminary treatment pipe, through the setting of active carbon filter screen, be used for carrying out preliminary absorption to the multiple impurity that contains in the waste gas, when needs handle waste gas, the operation of opening high pressure water pump, then after waste gas gets into the purifying box via the gas transmission pipeline, high pressure water pump carries the water of purifying box the inside to the shower nozzle through the multi-ported pipe, then via the shower nozzle atomizing blowout, spun water produces convection current touching and contact with waste gas, and realize the absorption to granule impurity in the waste gas in this process, then the water droplet that the parcel has granule impurity falls under the influence of gravity, through the setting of guide plate, a flow velocity for slowing down waste gas in the purifying box the inside, and then improve the contact time of water and waste gas, thereby improve the treatment effect to waste gas, through the setting of closure plate for improve the dwell time and the friction area of the water droplet that the parcel has particle impurity, make the whereabouts that its water droplet can be abundant, and then improve the treatment effect to waste gas, the water droplet of whereabouts passes through the filter screen earlier, through the setting of filter screen, is used for carrying out filtration treatment to the water droplet of whereabouts, then the water droplet continues the whereabouts and passes through the active carbon filter plate, through the setting of active carbon filter plate, is arranged in getting rid of the peculiar smell in the water droplet.
The parts of the device not involved are the same as or can be implemented using prior art.
Drawings
FIG. 1 is a schematic top view of the present invention;
FIG. 2 is a schematic top sectional view of the purification box of the present invention;
FIG. 3 is a schematic sectional front view of the purification tank of the present invention;
FIG. 4 is a schematic diagram showing the front view of the pretreatment tube according to the present invention;
FIG. 5 is a schematic perspective view of a pretreatment tube according to the present invention;
FIG. 6 is a schematic perspective view of a closure plate according to the present invention;
in the figure: 1. an air intake duct; 2. a shunt tube; 3. a first conduit; 4. a second conduit; 5. a manual valve; 6. welding a flange; 7. a connecting screw hole; 8. pre-treating the tube; 9. an activated carbon filter screen; 10. sliding the clamping block; 11. a sliding clamping groove; 12. a gas pipeline; 13. a purification box; 14. a baffle; 15. a fixed block; 16. a flow guide hole; 17. a shutoff plate; 18. mounting a plate; 19. a spray head; 20. a multi-pass tube; 21. a high pressure water pump; 22. a purified water tank; 23. a filter screen; 24. an active carbon filter plate; 25. a water collecting hopper; 26. a drain pipe; 27. a flow through groove; 28. an exhaust pipe; 29. a gasket; 30. and (4) draining the water valve.
Detailed Description
Referring to fig. 1-6, the present invention provides the following technical solutions: a waste gas treatment device for rare earth production comprises an air inlet pipeline 1, a pretreatment pipe 8 and a gas transmission pipeline 12, the tail end of the air inlet pipeline 1 is provided with a shunt pipe 2, the tail end of the shunt pipe 2 is respectively provided with a first pipeline 3 and a second pipeline 4, an active carbon filter screen 9 is arranged on the inner side of the pretreatment pipe 8, a purifying box 13 is arranged at the tail end of the gas transmission pipeline 12, a cut-off plate 17 is arranged on the inner side of the purification box 13, a mounting plate 18 is fixedly arranged on the lower end of the inner wall of the upper part of the purification box 13, the lower end of the mounting plate 18 is fixedly provided with a spray nozzle 19, the rear end of the purifying box 13 is provided with a purifying water tank 22, a filter screen 23 is arranged on the inner side of the purifying box 13, an active carbon filter plate 24 is arranged below the filter screen 23, a water collecting hopper 25 is arranged below the activated carbon filter plate 24, and an exhaust pipe 28 is arranged at the upper end of the purified water tank 22.
In this embodiment: the first pipeline 3 and the second pipeline 4 are the same in size, the first pipeline 3 and the second pipeline 4 are arranged on the same horizontal plane, the outer rings of the first pipeline 3 and the second pipeline 4 are provided with four manual valves 5, the first pipeline 3, the second pipeline 4 and the flow dividing pipe 2 are communicated with each other, and the outer rings of the first pipeline 3 and the second pipeline 4 are provided with welding flanges 6; when the device is used, the first pipeline 3 is adjusted to be in an open state through the manual valve 5, meanwhile, the second pipeline 4 is adjusted to be in a closed state through the manual valve 5, at this time, after waste gas is conveyed to the shunt pipe 2 through the air inlet pipeline 1, the waste gas only enters the first pipeline 3 because the second pipeline 4 is in the closed state, and the flowing path of the waste gas can be flexibly adjusted through the arrangement of the first pipeline 3 and the second pipeline 4.
The pretreatment pipe 8 is arranged in a cylindrical structure, the number of the pretreatment pipes 8 is two, the inner side of the pretreatment pipe 8 is provided with a sliding clamping groove 11, the outer rings at the two ends of the pretreatment pipe 8 are provided with welding flanges 6, the inner sides of the welding flanges 6 are provided with connecting screw holes 7, and a sealing gasket 29 is arranged between the two welding flanges 6 which are fixedly arranged in the same group; when the corresponding activated carbon filter screen 9 needs to be replaced or cleaned, the corresponding welding flange 6 is found firstly, then the first pipeline 3 or the second pipeline 4 is closed through the manual valve 5, then the corresponding connecting bolt is detached, then the welding flange 6 is taken down from the installation position of the first pipeline 3 or the second pipeline 4, then the activated carbon filter screen 9 is replaced or cleaned, and the sealing performance and the safety of waste gas in the conveying process are guaranteed through the arrangement of the sealing gasket 29.
The outer ring of the activated carbon filter screen 9 is provided with sliding fixture blocks 10, the size and the number of the sliding fixture blocks 10 are matched with those of the sliding fixture grooves 11, and the length of the sliding fixture blocks 10 is the same as that of the pretreatment pipe 8; size, quantity through slip fixture block 10 and the size of slip draw-in groove 11, quantity phase-match for convenient and fast ground installs activated carbon filter screen 9 in the inboard of preliminary treatment pipe 8, through activated carbon filter screen 9's setting, is arranged in carrying out preliminary absorption to the multiple impurity that contains in the waste gas.
The purifying water tank 22 is arranged in a rectangular structure, a high-pressure water pump 21 is arranged at the upper end of the purifying water tank 22, a multi-way pipe 20 is arranged at the output end of the high-pressure water pump 21, and the multi-way pipe 20 and the spray head 19 are communicated with each other; when the waste gas is required to be treated, the operation of the high-pressure water pump 21 is started, then after the waste gas enters the purifying tank 13 through the gas transmission pipeline 12, the water body in the purifying water tank 22 is conveyed to the spray head 19 through the multi-way pipe 20 by the high-pressure water pump 21, then the water body is atomized and sprayed out through the spray head 19, the sprayed water body and the waste gas generate convection touch and contact, the adsorption of particle impurities in the waste gas is realized in the process, and then the water drops wrapped with the particle impurities fall under the influence of gravity.
The purifying box 13 is arranged in a rectangular structure, the inner side of the purifying box 13 is provided with a guide plate 14, the guide plate 14 is arranged in a wave-shaped structure, the number of the guide plates 14 is two, the front end and the rear end of each guide plate 14 are respectively provided with a fixed block 15, one end of each fixed block 15, far away from the guide plate 14, is fixedly connected with the inner wall of the purifying box 13 through welding, the inner side of each guide plate 14 is provided with a guide hole 16, and the guide holes 16 are arranged in a honeycomb structure; through the setting of guide plate 14 for slow down the velocity of flow of waste gas in purifying box 13 the inside, and then improve the contact time of water and waste gas, thereby improve the treatment effect to waste gas.
The shutoff plate 17 is arranged in a rectangular structure, the top end of the shutoff plate 17 is fixedly welded and connected with the inner wall of the upper part of the purifying box 13, the inner side of the shutoff plate 17 is provided with a through flow groove 27, and the through flow groove 27 is a through hole groove in a rectangular structure; through the setting of closure plate 17 for improve the dwell time and the friction area of the water droplet that the parcel has particle impurity, make its water droplet can be abundant whereabouts, and then improve the treatment effect to waste gas.
The filter screen 23 and the activated carbon filter plate 24 are both arranged in a rectangular structure, and the peripheries of the filter screen 23 and the activated carbon filter plate 24 are connected with the inner wall of the purifying box 13; the falling water drops firstly pass through the filter screen 23 and are used for filtering the falling water drops through the filter screen 23, and then the water drops continuously fall and pass through the activated carbon filter plate 24 and are used for removing peculiar smell in the water drops through the activated carbon filter plate 24.
The lower end of the water collecting hopper 25 is communicated with a drain pipe 26, and the outer ring of the drain pipe 26 is provided with a drain valve 30; when the exhaust gas treatment apparatus is used, the drain valve 30 is provided as an intermittent valve that is opened and closed at regular intervals, and is provided with the drain pipe 26 for timely draining the sewage collected by the cleaning water collecting hopper 25.
The working principle and the using process of the utility model are as follows: when waste gas needs to be treated, the operation of the high-pressure water pump 21 is started, then the first pipeline 3 is adjusted to be in an open state through the manual valve 5, meanwhile, the second pipeline 4 is adjusted to be in a closed state through the manual valve 5, at this time, after the waste gas is conveyed to the shunt pipe 2 through the air inlet pipeline 1, because the second pipeline 4 is in the closed state, the waste gas only enters the first pipeline 3, the flow path of the waste gas can be flexibly adjusted through the arrangement of the first pipeline 3 and the second pipeline 4, the arrangement of the activated carbon filter screen 9 is used for preliminarily adsorbing various impurities contained in the waste gas, then after the waste gas enters the purifying box 13 through the air conveying pipeline 12, the high-pressure water pump 21 conveys the water body in the purifying water tank 22 to the spray head 19 through the multi-way pipe 20, and then the water body is atomized and sprayed out through the spray head 19, and the sprayed water body is in convective touch and contact with the waste gas, in the process, the adsorption of particle impurities in the waste gas is realized, then water drops wrapped with the particle impurities fall under the influence of gravity, the arrangement of the guide plate 14 is used for slowing down the flow speed of the waste gas in the purification box 13 so as to improve the contact time of a water body and the waste gas, the arrangement of the cut-off plate 17 is used for improving the retention time and the friction area of the water drops wrapped with the particle impurities so that the water drops can fall fully, and further the treatment effect of the waste gas is improved, the falling water drops firstly pass through the filter screen 23 and are subjected to filtration treatment through the filter screen 23, then the water drops continuously fall and pass through the active carbon filter plate 24, through the arrangement of the active carbon filter plate 24, the peculiar smell in the water drops is removed, the drain valve 30 is arranged as an intermittent valve which is opened and closed at certain intervals, and through the arrangement of the drain pipe 26, the sewage treatment device is used for discharging sewage collected by the cleaning water collecting hopper 25 in time, then discharging the waste gas after treatment through the exhaust pipe 28, when the corresponding activated carbon filter screen 9 needs to be replaced or cleaned, finding the corresponding welding flange 6 firstly, then closing the first pipeline 3 or the second pipeline 4 through the manual valve 5, then detaching the corresponding connecting bolt, then taking the welding flange 6 from the installation position of the first pipeline 3 or the second pipeline 4, then replacing or cleaning the activated carbon filter screen 9, matching the size and the number of the sliding clamping blocks 10 with those of the sliding clamping grooves 11, conveniently and quickly installing the activated carbon filter screen 9 on the inner side of the pretreatment pipe 8, and ensuring the sealing performance and the safety of the waste gas in the conveying process through the arrangement of the sealing gaskets 29.
Claims (9)
1. A exhaust treatment device for rare earth production, its characterized in that: including admission line, preliminary treatment pipe, gas transmission pipeline, admission line's end is provided with the shunt tubes, the end of shunt tubes is provided with first pipeline, second pipeline respectively, the inboard of preliminary treatment pipe is provided with the active carbon filter screen, gas transmission pipeline's end is provided with the purifying box, the inboard of purifying box is provided with the board of damming, the fixed mounting panel that is provided with of lower extreme of purifying box upper portion inner wall, the fixed shower nozzle that is provided with of lower extreme of mounting panel, the rear end of purifying box is provided with purified water tank, the inboard of purifying box is provided with the filter screen, the below of filter screen is provided with the active carbon filter plate, the below of active carbon filter plate is provided with the water collecting hopper, purified water tank's upper end is provided with the blast pipe.
2. The exhaust gas treatment device for rare earth production according to claim 1, characterized in that: the size of the first pipeline is the same as that of the second pipeline, the first pipeline and the second pipeline are arranged on the same horizontal plane, the outer rings of the first pipeline and the second pipeline are provided with four manual valves, the first pipeline, the second pipeline and the flow dividing pipe are communicated with each other, and the outer rings of the first pipeline and the second pipeline are provided with welding flanges.
3. The exhaust gas treatment device for rare earth production according to claim 1, characterized in that: the utility model discloses a pipe joint sealing structure, including preliminary treatment pipe, welding flange, connecting screw hole, sealed pad are provided with between two welding flanges that same group carries out fixed mounting, preliminary treatment pipe is cylindrical structure setting, and preliminary treatment pipe is provided with two altogether, and the inboard of preliminary treatment pipe sets up sliding clamping groove, and the outer lane at preliminary treatment pipe both ends all is provided with welding flange, and welding flange's inboard is provided with the connecting screw hole, is provided with sealed the pad between two welding flanges that same group carried out fixed mounting.
4. The exhaust gas treatment device for rare earth production according to claim 1, characterized in that: the outer ring of the active carbon filter screen is provided with sliding fixture blocks, the size and the number of the sliding fixture blocks are matched with those of the sliding fixture grooves, and the length of the sliding fixture blocks is the same as that of the pretreatment pipe.
5. The exhaust gas treatment device for rare earth production according to claim 1, characterized in that: the water purifying tank is arranged in a rectangular structure, a high-pressure water pump is arranged at the upper end of the water purifying tank, a multi-way pipe is arranged at the output end of the high-pressure water pump, and the multi-way pipe is communicated with the spray heads.
6. The exhaust gas treatment device for rare earth production according to claim 1, characterized in that: the purifying box is the setting of rectangle structure, and the inboard of purifying box is provided with the guide plate, and the guide plate sets up for wave structure, and the guide plate is provided with two altogether, and the preceding, the back both ends of every guide plate all are provided with the fixed block, and the one end that the guide plate was kept away from to the fixed block passes through welded fastening with the inner wall of purifying box to be connected, and the inboard of guide plate is provided with the water conservancy diversion hole, and the water conservancy diversion hole is the honeycomb structure setting.
7. The exhaust gas treatment device for rare earth production according to claim 1, characterized in that: the shutoff plate is of a rectangular structure, the top end of the shutoff plate is fixedly welded with the inner wall of the upper part of the purifying box, the inner side of the shutoff plate is provided with a through groove, and the through groove is a through hole groove of the rectangular structure.
8. The exhaust gas treatment device for rare earth production according to claim 1, characterized in that: the filter screen and the active carbon filter plate are both arranged in a rectangular structure, and the periphery of the filter screen and the active carbon filter plate are connected with the inner wall of the purification box.
9. The exhaust gas treatment device for rare earth production according to claim 1, characterized in that: the lower extreme intercommunication of water collecting bucket is provided with the drain pipe, and the outer lane of drain pipe is provided with the drain valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122723409.4U CN216799233U (en) | 2021-11-09 | 2021-11-09 | A exhaust treatment device for tombarthite production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122723409.4U CN216799233U (en) | 2021-11-09 | 2021-11-09 | A exhaust treatment device for tombarthite production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216799233U true CN216799233U (en) | 2022-06-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122723409.4U Active CN216799233U (en) | 2021-11-09 | 2021-11-09 | A exhaust treatment device for tombarthite production |
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| Country | Link |
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| CN (1) | CN216799233U (en) |
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2021
- 2021-11-09 CN CN202122723409.4U patent/CN216799233U/en active Active
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