CN215654339U - Novel anti RTO heat accumulation formula combustion apparatus that blocks up - Google Patents
Novel anti RTO heat accumulation formula combustion apparatus that blocks up Download PDFInfo
- Publication number
- CN215654339U CN215654339U CN202122027162.2U CN202122027162U CN215654339U CN 215654339 U CN215654339 U CN 215654339U CN 202122027162 U CN202122027162 U CN 202122027162U CN 215654339 U CN215654339 U CN 215654339U
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- slider
- threaded rod
- filter screen
- casing
- division board
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- 238000002485 combustion reaction Methods 0.000 title claims abstract description 24
- 238000009825 accumulation Methods 0.000 title claims description 3
- 239000002184 metal Substances 0.000 claims abstract description 16
- 239000013049 sediment Substances 0.000 claims description 18
- 238000007790 scraping Methods 0.000 claims description 13
- 230000001172 regenerating effect Effects 0.000 claims description 9
- 238000007599 discharging Methods 0.000 claims description 4
- 239000002893 slag Substances 0.000 claims description 4
- 239000002912 waste gas Substances 0.000 abstract description 19
- 230000000694 effects Effects 0.000 abstract description 15
- 239000012535 impurity Substances 0.000 abstract description 15
- 239000000428 dust Substances 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 5
- 240000007643 Phytolacca americana Species 0.000 abstract description 4
- 239000007789 gas Substances 0.000 description 13
- 238000005516 engineering process Methods 0.000 description 5
- 238000005192 partition Methods 0.000 description 5
- 238000001914 filtration Methods 0.000 description 4
- 230000000149 penetrating effect Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The utility model discloses novel anti-blocking RTO heat accumulating type combustion equipment, and particularly relates to the field of heat accumulating type combustion equipment. According to the utility model, the filter residues on the surface of the filter screen plate are scraped off by the scraper, and the metal pricks are driven to rotate and inserted into the holes of the filter screen plate to poke out impurities in the moving process of the roller, so that the filter screen plate is effectively prevented from being blocked by impurities such as dust in waste gas and the like to influence the air inlet efficiency, and the filter effect of the filter screen plate on the waste gas is improved.
Description
Technical Field
The utility model relates to the field of heat accumulating type combustion equipment, in particular to novel anti-blocking RTO heat accumulating type combustion equipment.
Background
The heat accumulating type combustion technology is a technology of combustion in a high-temperature low-oxygen air state, also called as a high-temperature air combustion technology, fundamentally improves the energy utilization rate of a heating furnace, particularly reasonably utilizes low-heat-value fuel, such as blast furnace gas, if the blast furnace gas cannot be effectively utilized, the blast furnace gas is a pollutant when being discharged, and the heat accumulating type combustion technology is utilized, so that the discharge of the pollutant is reduced, and the energy is saved.
But in the time of practical use, because still can contain impurity such as some dust in the waste gas, the common waste gas preliminary treatment mode can filter it, but long-time the use can lead to filtering used filter screen board hole to be blockked up and influence air intake efficiency, has reduced the filter effect of filter screen board to waste gas.
Therefore, it is necessary to invent a new anti-clogging RTO regenerative combustion device to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide novel anti-blocking RTO heat accumulating type combustion equipment, wherein a motor drives a first threaded rod to rotate, so that two scraping plates move to scrape filter residues on the surface of a filter screen plate, meanwhile, a second threaded rod rotates to drive a third sliding block to drive a roller to move, under the action of a rack and a first gear, the roller can drive a metal thorn to rotate in the moving process, and the metal thorn is inserted into holes of the filter screen plate to poke out impurities blocked in the holes, so that the filter screen plate is effectively prevented from being blocked by impurities such as dust in waste gas and the like to influence the air inlet efficiency, the filtering effect of the filter screen plate on the waste gas is improved, and the defects in the technology are overcome.
In order to achieve the above purpose, the utility model provides the following technical scheme: a novel anti-blocking RTO heat accumulating type combustion device comprises a shell, a first exhaust gas pipe, a second exhaust gas pipe and a filter screen plate, wherein the shell is fixedly arranged between the first exhaust gas pipe and the second exhaust gas pipe, the filter screen plate is arranged in the shell, a mounting plate is fixedly arranged in the shell, an opening is formed in one side of the mounting plate, the filter screen plate is fixedly arranged in the opening, two connecting plates are arranged on one side of the mounting plate, the opening is formed between the two connecting plates, two scraping plates are fixedly arranged between the two connecting plates, one side of each scraping plate is in contact with one side of the filter screen plate, a first sliding block and a second sliding block are fixedly arranged on one side of the two connecting plates respectively, a first threaded rod penetrates through the top end of the first sliding block, and the first sliding block is in threaded connection with the first threaded rod;
the mounting panel opposite side is equipped with third slider and fourth slider, the opening is established between third slider and fourth slider, there is the cylinder through pivot swing joint between third slider and the fourth slider, the cylinder is established at the filter plate opposite side, the fixed a plurality of metal thorns that are equipped with in cylinder outer end are close to the metal thorn of filter plate runs through the filter plate, third slider top is run through and is equipped with the second threaded rod, the third slider passes through threaded connection with the second threaded rod, is close to the fixed first gear that is equipped with in pivot outer end of third slider, the fixed rack that is equipped with of mounting panel opposite side, the rack is established between third slider and opening, first gear is established in the rack front side, just first gear and rack intermeshing.
Preferably, the inside fixed division board that is equipped with of casing, the mounting panel is established in the division board bottom, just mounting panel top and division board bottom fixed connection, first threaded rod and second threaded rod are all established in the division board bottom and are extended to the division board top, first threaded rod outer end and second threaded rod outer end pass through sealed bearing swing joint with the division board bottom respectively.
Preferably, the top end of the second threaded rod and the outer end of the first threaded rod are fixedly provided with second gears, the second gears are arranged at the top of the separation plate and are meshed with each other, and the threads of the first threaded rod and the second threaded rod are opposite.
Preferably, the top of the partition plate is provided with a motor, the motor is arranged on the front side of the second gear, the outer end of the motor is fixedly provided with two fixed blocks, and the motor is fixedly connected to one side inside the shell through the fixed blocks.
Preferably, the outer end of the motor output shaft and the top end of the first threaded rod are fixedly provided with bevel gears, the bevel gears are meshed with each other, and the bevel gears are arranged on the tops of the second gears.
Preferably, the top end of the second sliding block is provided with a first guide rod in a penetrating mode, the second sliding block is connected with the first guide rod in a sliding mode, two ends of the first guide rod are fixedly connected with the bottom end of the partition plate and the bottom end of the inner portion of the shell respectively, and the bottom end of the first threaded rod is movably connected with the bottom end of the inner portion of the shell through a bearing.
Preferably, the fourth slider is arranged at the rear side of the third slider, a second guide rod is arranged at the top end of the fourth slider in a penetrating mode, the fourth slider is connected with the second guide rod in a sliding mode, two ends of the second guide rod are fixedly connected with the bottom end of the partition plate and the bottom end of the inner portion of the shell respectively, and the bottom end of the second threaded rod is movably connected with the bottom end of the inner portion of the shell through a bearing.
Preferably, the T type spout that distributes around two is all seted up to the mounting panel both sides, the opening is established between two T type spouts, connecting plate opposite side, third slider one side and fourth slider one side all are fixed and are equipped with T type slider, T type slider is established inside T type spout.
Preferably, the casing bottom mounting is equipped with row sediment fill, arrange the inside and casing internal portion intercommunication of sediment fill, arrange sediment fill and establish in mounting panel one side, arrange the sediment fill and establish between first threaded rod and first guide bar, arrange sediment fill bottom mounting and be equipped with the sediment pipe, be equipped with the valve on the sediment pipe.
In the technical scheme, the utility model provides the following technical effects and advantages:
1. the waste gas is filtered by the filter screen plate, the motor is started during the period, the output shaft of the motor can drive the first threaded rod to rotate through the two bevel gears when rotating, the first sliding block is in threaded connection with the first threaded rod, so that the first sliding block can drive the connecting plate to move along the first threaded rod, the connecting plate can drive the two scraping plates to move together when moving, filter residues on the surface of the filter screen plate are scraped through the scraping plates, the filter residues on the filter screen plate are scraped by the scraping plates, the filter screen plate can be prevented from being blocked by impurities such as dust in the waste gas to influence the air intake efficiency, and the filtering effect of the filter screen plate on the waste gas is improved;
2. make first threaded rod to drive the second threaded rod and rotate together when rotating through the second gear, the third slider can drive the cylinder and remove along the second threaded rod, when the cylinder moves down, can drive the cylinder through the pivot with rack toothing's first gear and rotate, the cylinder is disclosed the impurity of stopping up in can inserting the hole with the hole of filter plate at pivoted in-process metal thorn, then the impurity of disclosing can follow the impurity on filter plate surface and is scraped together by the scraper blade and fall, effectively prevent that filter plate from blockking up, the filter effect of filter plate has been improved.
Drawings
In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.
FIG. 1 is a first perspective view of the internal structure of the housing of the present invention;
FIG. 2 is an overall perspective view of the present invention;
FIG. 3 is a second perspective view of the internal structure of the housing of the present invention;
FIG. 4 is a cross-sectional perspective view of the mounting plate of the present invention;
fig. 5 is a perspective view of the squeegee of the present invention.
Description of reference numerals:
the device comprises a shell 1, a first exhaust gas pipe 2, a second exhaust gas pipe 3, a filter screen plate 4, a mounting plate 5, an opening 6, a connecting plate 7, a scraper 8, a first sliding block 9, a first threaded rod 10, a second sliding block 11, a first guide rod 12, a third sliding block 13, a fourth sliding block 14, a second threaded rod 15, a second guide rod 16, a roller 17, a metal spine 18, a first gear 19, a rack 20, a partition plate 21, a second gear 22, a motor 23, a bevel gear 24, a fixed block 25, a chute 26T-shaped, a sliding block 27T-shaped, a slag discharge hopper 28 and a slag discharge pipe 29.
Detailed Description
In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.
The utility model provides a novel anti-blocking RTO heat accumulating type combustion device shown in figures 1-5, which comprises a shell 1, a first exhaust gas pipe 2, a second exhaust gas pipe 3 and a filter screen plate 4, wherein the shell 1 is fixedly arranged between the first exhaust gas pipe 2 and the second exhaust gas pipe 3, the filter screen plate 4 is arranged inside the shell 1, a mounting plate 5 is fixedly arranged inside the shell 1, an opening 6 is arranged at one side of the mounting plate 5, the filter screen plate 4 is fixedly arranged inside the opening 6, two connecting plates 7 are arranged at one side of the mounting plate 5, the opening 6 is arranged between the two connecting plates 7, two scraping plates 8 are fixedly arranged between the two connecting plates 7, one side of each scraping plate 8 is in contact with one side of the filter screen plate 4, a first sliding block 9 and a second sliding block 11 are respectively fixedly arranged at one side of the two connecting plates 7, a first threaded rod 10 penetrates through the top end of the first sliding block 9, the first sliding block 9 is connected with the first threaded rod 10 through threads, and filter residues on the filter screen plate 4 can be scraped off by the scraper 8.
1 inside fixed division board 21 that is equipped with of casing, mounting panel 5 is established in division board 21 bottom, just 5 tops of mounting panel and division board 21 bottom fixed connection, first threaded rod 10 all establishes in division board 21 bottom and extends to the division board 21 top with second threaded rod 15, 10 outer ends of first threaded rod and 15 outer ends of second threaded rod pass through sealed bearing swing joint with division board 21 bottom respectively, and division board 21 plays the partition effect.
The outer end of the output shaft of the motor 23 and the top end of the first threaded rod 10 are both fixedly provided with bevel gears 24, the bevel gears 24 are meshed with each other, the bevel gears 24 are arranged at the top of the second gear 22, and the bevel gears 24 play a role in power transmission.
11 tops of second slider run through and are equipped with first guide bar 12, second slider 11 and 12 sliding connection of first guide bar, 12 both ends of first guide bar respectively with division board 21 bottom and the inside bottom fixed connection of casing 1, bearing swing joint is passed through with the inside bottom of casing 1 in the bottom of 10 bottoms of first threaded rod, and first guide bar 12 and second slider 11 remove scraper blade 8 and play the guide effect.
The T type spout 26 that distributes around two is all seted up to 5 both sides of mounting panel, opening 6 is established between two T type spouts 26, connecting plate 7 opposite side, third slider 13 one side and fourth slider 14 one side are all fixed and are equipped with T type slider 27, T type slider 27 is established inside T type spout 26, and T type spout 26 and T type slider 27 play limiting displacement.
1 bottom mounting of casing is equipped with row's sediment fill 28, arrange sediment fill 28 inside and casing 1 inside and be linked together, arrange sediment fill 28 and establish in mounting panel 5 one side, arrange sediment fill 28 and establish between first threaded rod 10 and first guide bar 12, arrange sediment fill 28 bottom mounting and be equipped with scum pipe 29, be equipped with the valve on scum pipe 29, arrange sediment fill 28 and scum pipe 29 and make things convenient for the unified collection and the discharge of the filter residue that will scrape down.
The implementation mode is specifically as follows: waste gas passes through the first waste gas pipe 2, the shell 1 and the second waste gas pipe 3 in sequence, and is filtered by the filter screen plate 4 when passing through the interior of the shell 1, the motor 23 is started during the process, the output shaft of the motor 23 can drive the first threaded rod 10 to rotate through the two bevel gears 24 when rotating, because the first slide block 9 is in threaded connection with the first threaded rod 10, the first slide block 9 can drive the connecting plate 7 to move along the first threaded rod 10, the connecting plate 7 can drive the two scraping plates 8 to move together when moving, and filter residues on the surface of the filter screen plate 4 are scraped through the scraping plates 8, the scraped filter residues can fall into the inner part of the residue discharging hopper 28 and can be discharged through the residue discharging pipe 29, the second slide block 11 and the first guide rod 12 play a role when the scraping plates 8 move, the scraper 8 can scrape the filter residues on the filter screen plate 4, so as to prevent the filter screen plate 4 from being blocked by impurities such as dust in the waste gas and affecting the air intake efficiency, the filter effect of filter plate 4 to waste gas has been improved, and this embodiment has specifically solved exist among the prior art because still can contain impurity such as some dust in the waste gas, and the common mode of pretreating to waste gas can filter it, but long-time the use can lead to filtering used filter plate hole and stop up and influence air intake efficiency, has reduced filter plate 4 to the filter effect's of waste gas problem.
The utility model provides a novel anti-blocking RTO heat accumulating type combustion device as shown in figures 1 and 3, wherein a third slide block 13 and a fourth slide block 14 are arranged on the other side of a mounting plate 5, an opening 6 is arranged between the third slide block 13 and the fourth slide block 14, a roller 17 is movably connected between the third slide block 13 and the fourth slide block 14 through a rotating shaft, the roller 17 is arranged on the other side of a filter screen plate 4, a plurality of metal thorns 18 are fixedly arranged at the outer end of the roller 17, the metal thorns 18 close to the filter screen plate 4 penetrate through the filter screen plate 4, a second threaded rod 15 is arranged at the top end of the third slide block 13 in a penetrating manner, the third slide block 13 is connected with the second threaded rod 15 through threads, a first gear 19 is fixedly arranged at the outer end of the rotating shaft close to the third slide block 13, a rack 20 is fixedly arranged on the other side of the mounting plate 5, the rack 20 is arranged between the third slide block 13 and the opening 6, the first gear 19 is arranged on the front side of the rack 20, the first gear 19 is meshed with the rack 20, and the metal thorns 18 can poke out impurities in holes of the filter screen plate 4, so that the filter screen plate 4 is further prevented from being blocked.
The implementation mode is specifically as follows: when the first threaded rod 10 rotates, the second threaded rod 15 can be driven to rotate together by the two second gears 22 which are meshed with each other, because the third sliding block 13 is connected with the second threaded rod 15 through threads, the third sliding block 13 can move along the second threaded rod 15, the third sliding block 13 can drive the roller 17 to move together when moving, and because the first gear 19 is meshed with the rack 20, when the roller 17 moves downwards, the first gear 19 can drive the roller 17 to rotate through the rotating shaft, the roller 17 can drive the metal pricks 18 to rotate together in the rotating process, the metal pricks 18 have certain elasticity because of being made of metal materials, so that the metal pricks 18 can be flexibly inserted into the holes of the filter screen plate 4 in sequence along with the rotation of the roller 17, the metal pricks 18 poke out impurities blocked in the filter screen plate 4, and then the poked impurities can be scraped by the scraper 8 along with the impurities on the surface of the filter screen plate 4, effectively prevent that filter screen board 4 from blockking up, improved filter screen board 4's filter effect, filter screen board 4 that this embodiment exists specifically has solved among the prior art can plug up partly filter residue in the hole of filter screen board 4 after long-time the use, and untimely clearance causes filter screen board 4 to block up easily and reduces filter screen board 4 to the problem of the filter effect of waste gas.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the utility model.
Claims (9)
1. The utility model provides a novel anti RTO heat accumulation formula combustion apparatus that blocks up, includes casing (1), first exhaust pipe (2), second exhaust pipe (3) and filter plate (4), casing (1) is fixed to be established between first exhaust pipe (2) and second exhaust pipe (3), inside casing (1), its characterized in that are established in filter plate (4): the filter screen plate is characterized in that a mounting plate (5) is fixedly arranged inside the shell (1), an opening (6) is formed in one side of the mounting plate (5), the filter screen plate (4) is fixedly arranged inside the opening (6), two connecting plates (7) are arranged on one side of the mounting plate (5), the opening (6) is arranged between the two connecting plates (7), two scraping plates (8) are fixedly arranged between the two connecting plates (7), one sides of the scraping plates (8) are in contact with one sides of the filter screen plate (4), one sides of the two connecting plates (7) are respectively and fixedly provided with a first sliding block (9) and a second sliding block (11), a first threaded rod (10) penetrates through the top end of the first sliding block (9), and the first sliding block (9) is in threaded connection with the first threaded rod (10);
the mounting plate (5) is provided with a third slider (13) and a fourth slider (14) on the other side, the opening (6) is arranged between the third slider (13) and the fourth slider (14), a roller (17) is movably connected between the third slider (13) and the fourth slider (14) through a rotating shaft, the roller (17) is arranged on the other side of the filter screen plate (4), the outer end of the roller (17) is fixedly provided with a plurality of metal thorns (18), the metal thorns (18) close to the filter screen plate (4) penetrate through the filter screen plate (4), the top end of the third slider (13) penetrates through a second threaded rod (15), the third slider (13) is connected with the second threaded rod (15) through threads, a first gear (19) is fixedly arranged at the outer end of the rotating shaft close to the third slider (13), a rack (20) is fixedly arranged on the other side of the mounting plate (5), and the rack (20) is arranged between the third slider (13) and the opening (6), the first gear (19) is arranged on the front side of the rack (20), and the first gear (19) is meshed with the rack (20).
2. The novel anti-clogging RTO regenerative combustion apparatus of claim 1, wherein: casing (1) inside fixed division board (21) that is equipped with, establish in division board (21) bottom mounting panel (5), just mounting panel (5) top and division board (21) bottom fixed connection, first threaded rod (10) all establish division board (21) bottom and extend to division board (21) top with second threaded rod (15), first threaded rod (10) outer end and second threaded rod (15) outer end pass through sealed bearing swing joint with division board (21) bottom respectively.
3. The novel anti-clogging RTO regenerative combustion apparatus of claim 2, wherein: second gear (22) are all fixed to be equipped with on second threaded rod (15) top and first threaded rod (10) outer end, establish division board (21) top, and two second gear (22) intermeshing, first threaded rod (10) are contrary with second threaded rod (15) screw thread.
4. The novel anti-clogging RTO regenerative combustion apparatus of claim 3, wherein: division board (21) top is equipped with motor (23), establish in second gear (22) front side motor (23), motor (23) outer end is fixed and is equipped with two fixed blocks (25), motor (23) pass through fixed block (25) fixed connection in casing (1) inside one side.
5. The novel anti-clogging RTO regenerative combustion apparatus of claim 4, wherein: the outer end of an output shaft of the motor (23) and the top end of the first threaded rod (10) are fixedly provided with bevel gears (24), the bevel gears (24) are meshed with each other, and the bevel gears (24) are arranged on the top of the second gear (22).
6. The novel anti-clogging RTO regenerative combustion apparatus of claim 1, wherein: second slider (11) top is run through and is equipped with first guide bar (12), second slider (11) and first guide bar (12) sliding connection, first guide bar (12) both ends respectively with division board (21) bottom and the inside bottom fixed connection of casing (1), bearing swing joint is passed through with casing (1) inside bottom in first threaded rod (10) bottom.
7. The novel anti-clogging RTO regenerative combustion apparatus of claim 1, wherein: fourth slider (14) are established in third slider (13) rear side, fourth slider (14) top is run through and is equipped with second guide bar (16), fourth slider (14) and second guide bar (16) sliding connection, second guide bar (16) both ends respectively with division board (21) bottom and the inside bottom fixed connection of casing (1), bearing swing joint is passed through with casing (1) inside bottom in second threaded rod (15) bottom.
8. The novel anti-clogging RTO regenerative combustion apparatus of claim 1, wherein: t type spout (26) that distribute around two are all seted up to mounting panel (5) both sides, establish between two T type spouts (26) opening (6), connecting plate (7) opposite side, third slider (13) one side and fourth slider (14) one side are all fixed and are equipped with T type slider (27), T type slider (27) are established inside T type spout (26).
9. The novel anti-clogging RTO regenerative combustion apparatus of claim 6, wherein: casing (1) bottom mounting is equipped with row sediment fill (28), arrange sediment fill (28) inside and casing (1) inside and be linked together, arrange sediment fill (28) and establish in mounting panel (5) one side, arrange sediment fill (28) and establish between first threaded rod (10) and first guide bar (12), it is equipped with slag discharging pipe (29) to arrange sediment fill (28) bottom mounting, be equipped with the valve on slag discharging pipe (29).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122027162.2U CN215654339U (en) | 2021-08-26 | 2021-08-26 | Novel anti RTO heat accumulation formula combustion apparatus that blocks up |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122027162.2U CN215654339U (en) | 2021-08-26 | 2021-08-26 | Novel anti RTO heat accumulation formula combustion apparatus that blocks up |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215654339U true CN215654339U (en) | 2022-01-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122027162.2U Expired - Fee Related CN215654339U (en) | 2021-08-26 | 2021-08-26 | Novel anti RTO heat accumulation formula combustion apparatus that blocks up |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215654339U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116351192A (en) * | 2023-02-21 | 2023-06-30 | 河南五建建设集团有限公司 | A dust-proof diffusion device |
| CN117563341A (en) * | 2023-11-14 | 2024-02-20 | 中国电信股份有限公司 | Dust-proof device and communication equipment room equipped with it |
| CN119548875A (en) * | 2025-02-05 | 2025-03-04 | 安徽省生态环境科学研究院(安徽省生态环境规划院、安徽省生态环境工程咨询设计院) | A sewage treatment filtering and slag removal device and method |
-
2021
- 2021-08-26 CN CN202122027162.2U patent/CN215654339U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116351192A (en) * | 2023-02-21 | 2023-06-30 | 河南五建建设集团有限公司 | A dust-proof diffusion device |
| CN117563341A (en) * | 2023-11-14 | 2024-02-20 | 中国电信股份有限公司 | Dust-proof device and communication equipment room equipped with it |
| CN119548875A (en) * | 2025-02-05 | 2025-03-04 | 安徽省生态环境科学研究院(安徽省生态环境规划院、安徽省生态环境工程咨询设计院) | A sewage treatment filtering and slag removal device and method |
| CN119548875B (en) * | 2025-02-05 | 2025-06-20 | 安徽省生态环境科学研究院(安徽省生态环境规划院、安徽省生态环境工程咨询设计院) | A sewage treatment filtering and slag removal device and method |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220128 |
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| CF01 | Termination of patent right due to non-payment of annual fee |