CN217068147U - Environment-friendly exhaust-gas treatment equipment of steam power plant - Google Patents
Environment-friendly exhaust-gas treatment equipment of steam power plant Download PDFInfo
- Publication number
- CN217068147U CN217068147U CN202220769663.XU CN202220769663U CN217068147U CN 217068147 U CN217068147 U CN 217068147U CN 202220769663 U CN202220769663 U CN 202220769663U CN 217068147 U CN217068147 U CN 217068147U
- Authority
- CN
- China
- Prior art keywords
- filter
- square
- plate
- brush
- fixing frame
- 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
- 238000004140 cleaning Methods 0.000 claims abstract description 37
- 239000000428 dust Substances 0.000 claims abstract description 33
- 230000005540 biological transmission Effects 0.000 claims abstract description 25
- 239000002912 waste gas Substances 0.000 claims abstract description 17
- 239000007789 gas Substances 0.000 claims abstract description 14
- 230000007246 mechanism Effects 0.000 claims abstract description 14
- 238000007789 sealing Methods 0.000 claims description 11
- 241000220317 Rosa Species 0.000 claims description 10
- 238000007664 blowing Methods 0.000 claims description 5
- 239000010908 plant waste Substances 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000007613 environmental effect Effects 0.000 claims 1
- 238000001914 filtration Methods 0.000 abstract description 5
- 230000009471 action Effects 0.000 abstract description 4
- 238000010408 sweeping Methods 0.000 abstract description 4
- 239000003245 coal Substances 0.000 description 6
- 239000002817 coal dust Substances 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Images
Landscapes
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The utility model provides an environment-friendly thermal power plant exhaust-gas treatment equipment, which comprises a front conveying pipe, a square filter box, a rear conveying pipe, a plate-type air filter, a filter fixing frame and a filter cleaning mechanism, wherein the front conveying pipe and the rear conveying pipe are sequentially communicated with the square filter box, the filter fixing frame is used for fixing the plate-type air filter in the square filter box, and the filter cleaning mechanism comprises a fan impeller, a transmission shaft and a cleaning brush; the lower part of the square filter box is provided with a dust discharge port positioned at the front side of the filter fixing frame, the lower part of the dust discharge port is provided with a flow guide pipe, and the lower part of the flow guide pipe is provided with a dust collecting tank. The continuous sweeping action of the sweeping brush on the plate-type air filter can ensure the circulation of waste gas during filtering; the filter fixing frame and the filter cleaning mechanism can be conveniently detached from the square filter box, so that the plate type air filter and the filter cleaning mechanism can be conveniently replaced, maintained and maintained.
Description
Technical Field
The utility model relates to an environment-friendly exhaust-gas treatment equipment of steam power plant.
Background
The waste gas of the thermal power plant mainly comes from flue gas generated by boiler combustion, waste gas containing dust generated by the exhaust of an intermediate ash storage of a pneumatic ash conveying system and a coal yard, and coal dust generated by coal yard, raw coal crushing and coal conveying. At present, the dirty waste gas and the coal dust in the coal yard are generally filtered and purified by adopting a filter device, but the problem of poor exhaust gas flow conductivity caused by blockage of a filter often occurs in the dirty waste gas and the coal dust filter and purification device used in the existing coal yard, and meanwhile, a filter element in the existing filter and purification device is not easy to detach, so that subsequent daily maintenance, maintenance and replacement operations are troublesome.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an environment-friendly thermal power plant waste gas treatment device, which can ensure the circulation of waste gas during filtering by utilizing the continuous sweeping action of a sweeping brush on a plate-type air filter; the filter fixing frame and the filter cleaning mechanism can be conveniently detached from the square filter box, so that the plate type air filter and the filter cleaning mechanism can be conveniently replaced, maintained and maintained; the cleaning brush realizes rotation by utilizing wind energy of waste gas, thereby realizing the purpose of energy conservation.
The utility model provides a technical scheme that its technical problem adopted is: the utility model provides an environment-friendly thermal power plant exhaust-gas treatment equipment, includes preceding conveyer pipe, square rose box, back conveyer pipe, the fixed frame of board-like air cleaner, filter cleaning mechanism, preceding conveyer pipe and back conveyer pipe around in proper order with square rose box link up mutually, and the one end that preceding conveyer pipe is connected with square rose box is the toper, the fixed frame of filter around and the right side all are open state, board-like air cleaner can pass through the right side card of the fixed frame of filter is gone into in the fixed frame of filter, the fixed frame of filter is used for with board-like air cleaner fixes in square rose box, the filter cleaning mechanism includes fan impeller, transmission shaft, brush cleaner, the transmission shaft sets up in the square rose box, fan impeller and brush cleaner set gradually around on the transmission shaft, the fan impeller is opposite to the air inlet of the square filter box, and the fan impeller can drive the cleaning brush to clean the front side of the plate-type air filter under the blowing of waste gas; the lower part of the square filter box is provided with a dust discharge port positioned on the front side of the filter fixing frame, the lower part of the dust discharge port is provided with a flow guide pipe, and the lower part of the flow guide pipe is provided with a dust collection tank.
Preferably, a first mounting hole for the filter fixing frame to pass through is formed in the upper portion of the square filter box, and square frames for clamping and fixing the filter fixing frame are respectively arranged on the front side and the rear side below the first mounting hole.
Furthermore, the transmission shaft is sleeved on a supporting pipe, the transmission shaft can only rotate relative to the supporting pipe and cannot move back and forth relative to the supporting pipe, a connecting rod is fixedly arranged at the upper part of the supporting pipe, a T-shaped cover plate is fixedly arranged at the upper part of the connecting rod, a T-shaped through hole positioned in front of the first mounting hole is arranged at the upper part of the square filter box, a T-shaped structure consisting of the fan impeller, the transmission shaft and the cleaning brush can enter the square filter box through the T-shaped through hole, and the T-shaped cover plate can realize the sealing cover of the T-shaped through hole.
Furthermore, a circumferential first sealing gasket is arranged on the outer side of the upper part of the T-shaped through hole, a circumferential second sealing gasket is arranged on the side wall, opposite to the filter fixing frame, of the square frame, and a third sealing ring and a fourth sealing ring which correspond to the periphery of the front side wall and the periphery of the rear side wall of the plate-type air filter respectively are arranged in the filter fixing frame.
Furthermore, a first hook is fixedly arranged at the upper part of the T-shaped cover plate, and a second hook is fixedly arranged at the upper part of the filter fixing frame.
Further, the brush cleaner is rectangular shape be provided with two guide bars, two on the brush board front side wall of brush cleaner the corresponding cover of guide bar is put on the fixed backup pad that sets up in transmission shaft rear portion, and sets up a limiting plate at the front end of guide bar, overlaps on the guide bar and puts a spring, the spring card is put between backup pad and brush board, utilizes the spring to the roof pressure of brush board for the brush silk of brush cleaner closely laminates with plate air cleaner's preceding lateral wall.
Preferably, two opposite transparent observation windows are arranged on the side wall of the draft tube.
The utility model has the advantages that: the utility model has simple structure and convenient processing and manufacturing; the fan impeller can drive the cleaning brush to rotate under the blowing of waste gas, and the cleaning brush can clean the front side wall of the plate-type air filter in the rotating process, so that the air permeability of the plate-type air filter can be effectively ensured, and the circulation of the waste gas is further ensured; the flow velocity of the waste gas is improved through the diversion and compression action of the conical air outlet end at the rear end of the front conveying pipe on the waste gas, so that the fan impeller can obtain larger blowing power, the effective rotation of the fan impeller can be ensured, and the energy-saving purpose is realized; the filter fixing frame and the filter cleaning mechanism can be conveniently detached from the square filter box, so that the plate type air filter and the filter cleaning mechanism can be conveniently replaced, maintained and maintained; by utilizing the diversion effect of the diversion pipe, part of collected dust can enter the dust collection pipe under the action of gravity, so that the filtering environment of the plate-type air filter can be improved, and the effective filtering period of the plate-type air filter is prolonged.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some of the preferred embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a longitudinal sectional view of the present invention;
FIG. 3 is an enlarged view taken at A in FIG. 2;
in the figure: the dust collection device comprises a front conveying pipe 1, a square filter box 2, a dust discharge port 21, a first mounting hole 22, a square frame 23, a through hole 24T-shaped, a plate-type air filter 3, a filter fixing frame 4, a second hook 41, a fan impeller 51, a transmission shaft 52, a supporting plate 521, a cleaning brush 53, a brush plate 531, brush wires 532, a guide rod 533, a spring 534, a supporting pipe 54, a connecting rod 55, a T-shaped cover plate 56, a flow guide pipe 6, an observation window 61, a dust collection tank 7, a first sealing gasket 101, a second sealing gasket 102, a third sealing gasket 103 and a fourth sealing gasket 104.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the following specific embodiments and accompanying drawings, and it is to be understood that the described embodiments are only a part of the preferred embodiments of the present invention, and not all embodiments. Those skilled in the art can make similar variations without departing from the spirit of the invention, and therefore the invention is not limited by the specific embodiments disclosed below.
The utility model provides an environment-friendly thermal power plant waste gas treatment equipment (as shown in figure 1), which comprises a front conveying pipe 1, a square filter box 2, a rear conveying pipe, a plate-type air filter 3, a filter fixing frame 4 and a filter cleaning mechanism, wherein the front conveying pipe 1 and the rear conveying pipe are sequentially communicated with the square filter box 2, in the practical application process, waste gas enters the square filter box 2 from the front conveying pipe 1, after being filtered by the square filter box 2, the waste gas flows out from the rear conveying pipe, one end of the front conveying pipe 1 connected with the square filter box 2 is in a conical shape, the front side, the rear side and the right side of the filter fixing frame 4 are in an open state, specifically, the filter fixing frame 4 is fixed together by the front and the rear of two supporting plates at intervals, vent holes are arranged in the middle parts of the two supporting plates, the plate-type air filter 3 can be clamped into the filter fixing frame 4 through the right side of the filter fixing frame 4, the filter fixing frame 4 is used for fixing the plate-type air filter 3 in the square filter box 2, specifically, a first mounting hole 22 for the filter fixing frame 4 to pass through is formed in the upper portion of the square filter box 2, square frames 23 for clamping and fixing the filter fixing frame 4 are respectively arranged on the front side and the rear side below the first mounting hole 22, and the filter fixing frame 4 is directly clamped between the two square frames 23 in an inserting mode, so that the filter fixing frame 4 can be conveniently and subsequently taken out of the square filter 2, and the plate-type air filter 3 can be conveniently and subsequently maintained or replaced; further, in order to improve the contact tightness between the two square frames 23 and the side wall of the filter fixing frame 4, a peripheral second gasket 102 is provided on the side wall of the square frame 23 facing the filter fixing frame 4, and in order to improve the contact tightness between the periphery of the plate type air filter 3 and the side wall of the filter fixing frame 4, a third gasket 103 and a fourth gasket 104 are provided inside the filter fixing frame 4 so as to correspond to the periphery of the front side wall and the periphery of the rear side wall of the plate type air filter 3, respectively.
The filter cleaning mechanism comprises a fan impeller 51, a transmission shaft 52 and a cleaning brush 53, wherein the transmission shaft 52 is arranged in the square filter box 2, the fan impeller 51 and the cleaning brush 53 are sequentially arranged on the transmission shaft 52 from front to back, the fan impeller 51 is opposite to an air inlet of the square filter box 2, the fan impeller 51 can drive the cleaning brush 53 to clean the front side of the plate-type air filter 3 under the blowing of waste gas, specifically, the transmission shaft 52 is sleeved on a support pipe 54, the transmission shaft 52 only can rotate relative to the support pipe 54 and cannot move back and forth relative to the support pipe 54, a connecting rod 55 is fixedly arranged at the upper part of the support pipe 54, a T-shaped cover plate 56 is fixedly arranged at the upper part of the connecting rod 55, a T-shaped through hole 24 positioned at the front side of the first mounting hole 22 is arranged at the upper part of the square filter box 2, the T-shaped structure formed by the fan impeller 51, the transmission shaft 52 and the cleaning brush 53 can enter the square filter box 2 through the T-shaped through hole 24, the T-shaped cover plate 56 can realize the cover sealing of the T-shaped through hole 24, the T-shaped cover plate 56 is fixedly connected with the upper side wall of the square filter box 2 in a threaded connection mode, so that the transmission shaft 52 is fixedly arranged in the square filter box 2, when the fan impeller 51 and the cleaning brush 53 need to be replaced or maintained, the T-shaped cover plate 56 is only required to be loosened from the upper part of the square filter box 2, then the T-shaped cover plate 56 is directly lifted, the transmission shaft 52, the fan impeller 51 and the cleaning brush 53 can be pulled out from the T-shaped through hole 24, and therefore the maintenance or replacement work of the fan impeller 51 and the cleaning brush 53 is facilitated; the rear end of the front conveying pipe 1 is in a conical shape, so that the wind power at the outlet of the front conveying pipe 1 can be improved, the wind power flowing out of the outlet of the front conveying pipe 1 directly blows the fan impeller 51, the cleaning brush 53 can be ensured to continuously rotate in the filtering work process, furthermore, in order to ensure the cleaning effect of the cleaning brush 53 on the front side wall of the plate-type air filter 3, the cleaning brush 53 is in a long strip shape, two guide rods 533 are arranged on the front side wall of the brush plate 531 of the cleaning brush 53, the two guide rods 533 are correspondingly sleeved on a supporting plate 521 fixedly arranged at the rear part of the transmission shaft 52, a limiting plate is arranged at the front end of each guide rod 533, the guide rods 533 can be effectively prevented from sliding out of the supporting plate 521 through the limiting of the limiting plate, a spring 534 is sleeved on each guide rod 533, the spring 534 is clamped between the supporting plate 521 and the brush plate 531, and the top pressure of the brush plate 531 is realized by the spring 534, so that the brush filaments 532 of the cleaning brush 53 are closely attached to the front side wall of the panel type air filter 3.
The lower part of the square filter box 2 is provided with a dust discharge port 21 positioned at the front side of the filter fixing frame 4, the lower part of the dust discharge port 21 is provided with a guide pipe 6, the lower part of the guide pipe 6 is provided with a dust collection tank 7, dust cleaned by a cleaning brush 53 enters the guide pipe 6 through the dust discharge port 21 and finally enters the dust collection tank 7, in order to ensure the normal circulation of waste gas in the square filter box 2, the guide pipe 6 and the dust discharge port 21 and the guide pipe 6 and the dust collection tank 7 are in sealed connection, in order to facilitate the observation of the dust amount in the dust collection tank 7, two opposite transparent observation windows 61 are arranged on the side wall of the guide pipe 6, and after a large amount of dust is found at the bottom of the guide pipe 6 through the transparent observation windows 61, the dust in the dust collection tank 7 is full, at this time, the dust collection tank 7 can be detached from the bottom of the draft tube 6, and after the worker pours out the dust in the dust collection tank 7, the worker can mount the dust collection tank 7 on the lower portion of the draft tube 6 again, so that the dust collection tank 7 can continue the collection operation.
In order to realize the lifting of the T-shaped cover plate 56 and the filter fixing frame 4, a first hook 561 is fixedly arranged on the upper portion of the T-shaped cover plate 56, and a second hook 41 is fixedly arranged on the upper portion of the filter fixing frame 4.
In the present invention, "upper", "lower", "front", "rear", "left" and "right" are all relative positions adopted for convenience of describing positional relationships, and therefore cannot be interpreted as a limitation to the protection range as an absolute position.
In addition to the technical features described in the specification, the technology is known to those skilled in the art.
The above description is provided for the preferred embodiments and examples of the present invention with reference to the accompanying drawings, but the present invention is not limited to the above embodiments and examples, and it will be apparent to those skilled in the art that various modifications and variations can be made without departing from the spirit of the present invention, and these modifications and variations should be construed as the protection scope of the present invention.
Claims (7)
1. The utility model provides an environment-friendly thermal power plant exhaust-gas treatment equipment, characterized by, including preceding conveyer pipe, square rose box, back conveyer pipe, the fixed frame of board-like air cleaner, filter cleaning mechanism, preceding conveyer pipe and back conveyer pipe around in proper order with square rose box link up mutually, and the one end that preceding conveyer pipe is connected with square rose box is the toper, the fixed frame of filter around and the right side all are open state, board-like air cleaner can pass through the fixed frame of filter right side card is gone into in the fixed frame of filter, the fixed frame of filter is used for with board-like air cleaner fixes in square rose box, filter cleaning mechanism includes fan impeller, transmission shaft, brush cleaner, the transmission shaft sets up in square rose box, fan impeller and brush cleaner set gradually around on the transmission shaft, the fan impeller is opposite to the air inlet of the square filter box, and the fan impeller can drive the cleaning brush to clean the front side of the plate-type air filter under the blowing of waste gas; the lower part of the square filter box is provided with a dust discharge port positioned on the front side of the filter fixing frame, the lower part of the dust discharge port is provided with a flow guide pipe, and the lower part of the flow guide pipe is provided with a dust collection tank.
2. The environment-friendly thermal power plant exhaust gas treatment device as claimed in claim 1, wherein a first mounting hole for the filter fixing frame to pass through is formed in an upper portion of the square filter box, and square frames for clamping and fixing the filter fixing frame are respectively formed below the first mounting hole and on front and rear sides of the first mounting hole.
3. The environment-friendly thermal power plant waste gas treatment equipment as claimed in claim 2, wherein the transmission shaft is sleeved on a support pipe, the transmission shaft can only rotate relative to the support pipe and cannot move back and forth relative to the support pipe, a connecting rod is fixedly arranged on the upper portion of the support pipe, a T-shaped cover plate is fixedly arranged on the upper portion of the connecting rod, a T-shaped through hole located in front of the first mounting hole is arranged on the upper portion of the square filter box, a T-shaped structure composed of the fan impeller, the transmission shaft and the cleaning brush can enter the square filter box through the T-shaped through hole, and the T-shaped cover plate can achieve the sealing of the T-shaped through hole.
4. The environment-friendly thermal power plant exhaust gas treatment device as recited in claim 3, wherein a first peripheral gasket is disposed on an outer side of an upper portion of the T-shaped through hole, a second peripheral gasket is disposed on a side wall of the square frame opposite to the filter fixing frame, and a third gasket and a fourth gasket are disposed inside the filter fixing frame and respectively correspond to a periphery of a front side wall and a periphery of a rear side wall of the plate air filter.
5. The environment-friendly thermal power plant exhaust gas treatment device as claimed in claim 3, wherein a first hook is fixedly arranged on the upper portion of the T-shaped cover plate, and a second hook is fixedly arranged on the upper portion of the filter fixing frame.
6. The environment-friendly thermal power plant exhaust gas treatment device as recited in claim 3, wherein the brush is in a strip shape, two guide rods are arranged on the front side wall of the brush plate of the brush, the two guide rods are correspondingly sleeved on a supporting plate fixedly arranged at the rear part of the transmission shaft, a limiting plate is arranged at the front end of each guide rod, a spring is sleeved on each guide rod, the spring is clamped between the supporting plate and the brush plate, and the brush wires of the brush are tightly attached to the front side wall of the plate-type air filter by the aid of the spring which is pressed against the brush plate.
7. The environmental protection type thermal power plant waste gas treatment equipment as claimed in claim 1, wherein two opposite transparent observation windows are arranged on the side wall of the draft tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220769663.XU CN217068147U (en) | 2022-04-01 | 2022-04-01 | Environment-friendly exhaust-gas treatment equipment of steam power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220769663.XU CN217068147U (en) | 2022-04-01 | 2022-04-01 | Environment-friendly exhaust-gas treatment equipment of steam power plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217068147U true CN217068147U (en) | 2022-07-29 |
Family
ID=82553236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220769663.XU Expired - Fee Related CN217068147U (en) | 2022-04-01 | 2022-04-01 | Environment-friendly exhaust-gas treatment equipment of steam power plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217068147U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115430225A (en) * | 2022-09-06 | 2022-12-06 | 湖南埃瓦新能源科技有限公司 | Air source heat pump cooling and heating combined supply unit |
-
2022
- 2022-04-01 CN CN202220769663.XU patent/CN217068147U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115430225A (en) * | 2022-09-06 | 2022-12-06 | 湖南埃瓦新能源科技有限公司 | Air source heat pump cooling and heating combined supply unit |
| CN115430225B (en) * | 2022-09-06 | 2023-12-01 | 湖南埃瓦新能源科技有限公司 | Air source heat pump cooling and heating two-in-one supply unit |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN217068147U (en) | Environment-friendly exhaust-gas treatment equipment of steam power plant | |
| CN209934285U (en) | Special PTFE dust removal sack filling plant of chlor-alkali factory | |
| CN215962621U (en) | Dust purification equipment for industrial workshop | |
| CN213089843U (en) | Dust collecting device for biomass boiler dust remover | |
| CN213492554U (en) | Can avoid sack cleaner of putty | |
| CN114873757A (en) | Sewage circulating device for waste gas treatment plant area of float glass melting furnace | |
| CN207515520U (en) | A kind of high temperature furnace slag waste-heat recovery device | |
| CN207527742U (en) | A kind of novel fresh air clearing machine | |
| CN215085696U (en) | Waste heat utilization device of natural gas reforming hydrogen production converter | |
| CN220039135U (en) | Smelting furnace waste heat utilization mechanism for aluminum alloy production | |
| CN215539178U (en) | Energy-saving slim bamboo shaving board production is with dry tail gas recovery processing device | |
| CN213840880U (en) | Carbon black production flue gas waste heat recovery device | |
| CN215505980U (en) | High-temperature-resistant bag-type dust collector | |
| CN218296411U (en) | Cooling device for chemical engineering | |
| CN210568332U (en) | Automatic control system of steam boiler | |
| CN217746197U (en) | Bag-type dust collector that industrial production used | |
| CN211668003U (en) | Toilet uses new trend filter equipment's mounting structure | |
| CN220736761U (en) | Dust collector in high calcium lime powder production workshop | |
| CN214038483U (en) | Waste heat recovery device for biomass heating convenient for purifying flue gas | |
| CN211659511U (en) | High-temperature-resistant needling filtering cloth bag for dust collector | |
| CN211346413U (en) | Heat energy and power engineering use high-efficient heat recovery unit | |
| CN216620696U (en) | Flue gas waste heat recovery device | |
| CN218474936U (en) | Heat supply pipeline drainage device | |
| CN218421763U (en) | Dust remover convenient to clearance | |
| CN215570791U (en) | Indoor solar heating device of building |
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: 20220729 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |