CN216604582U - A exhaust treatment device for concrete preparation - Google Patents
A exhaust treatment device for concrete preparation Download PDFInfo
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- CN216604582U CN216604582U CN202123287195.7U CN202123287195U CN216604582U CN 216604582 U CN216604582 U CN 216604582U CN 202123287195 U CN202123287195 U CN 202123287195U CN 216604582 U CN216604582 U CN 216604582U
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- 238000002360 preparation method Methods 0.000 title claims abstract description 21
- 238000004062 sedimentation Methods 0.000 claims abstract description 44
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 46
- 230000029058 respiratory gaseous exchange Effects 0.000 claims description 7
- 238000003466 welding Methods 0.000 claims description 4
- 239000002912 waste gas Substances 0.000 abstract description 26
- 239000007789 gas Substances 0.000 abstract description 16
- 230000000694 effects Effects 0.000 abstract description 4
- 239000000463 material Substances 0.000 abstract description 4
- 238000004064 recycling Methods 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 description 10
- 239000000243 solution Substances 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- 239000011259 mixed solution Substances 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000002969 artificial stone Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Treating Waste Gases (AREA)
Abstract
The utility model belongs to the technical field of waste gas treatment, and particularly relates to a waste gas treatment device for concrete preparation, which comprises a base, wherein a guide rail is arranged above the base, a push handle is arranged on one side of the base, a universal wheel seat is arranged below the base, universal wheels are arranged below the universal wheel seat, an upright post is arranged on the guide rail, a positioning nail is arranged on the upright post, an air suction cover is arranged between the upright posts, an air pump is arranged on one side of the air suction cover close to the push handle, a first vent pipe is arranged between the air suction cover and the air pump, and a sedimentation barrel is arranged on one side of the air pump far away from the upright post. The device is convenient to move according to the use requirement, so that the device is close to an exhaust gas source, and the exhaust gas treatment effect is improved; the waste gas is convenient to be fully purified, the resource recycling efficiency is improved, and the use cost is reduced; the operation personnel of being convenient for use and maintain, the consumptive material is convenient for change.
Description
Technical Field
The utility model belongs to the technical field of waste gas treatment, and particularly relates to a waste gas treatment device for concrete preparation.
Background
Concrete is one of the leading civil engineering materials of the present generation. The artificial stone is prepared by a cementing material, granular aggregate (also called aggregate), water, an additive and an admixture which are added if necessary according to a certain proportion, and is formed by uniformly stirring, compacting, forming, curing and hardening. The concrete has the characteristics of rich raw materials, low price and simple production process, so that the consumption of the concrete is increased more and more. Meanwhile, the concrete also has the characteristics of high compressive strength, good durability, wide strength grade range and the like. These characteristics make it very widely used, not only in various civil engineering, that is shipbuilding, machinery industry, ocean development, geothermal engineering, etc., but also concrete is an important material.
Because a large amount of aggregates need to be added in the concrete preparation process for stirring, dust-containing waste gas is easily generated during stirring, and a waste gas treatment device is needed in the concrete preparation process from the consideration of environmental protection and protection of the health of operators. However, the existing waste gas treatment device for concrete preparation is not convenient for filtering impurities in waste gas when in use, and water cannot be recycled when water is used for settling dust in the waste gas, so that waste of water resources is easily caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an exhaust gas treatment device for concrete preparation.
The technical scheme adopted by the utility model is as follows:
a waste gas treatment device for concrete preparation comprises a base, wherein a guide rail is arranged above the base, a push handle is arranged on one side of the base, a universal wheel seat is arranged below the base, universal wheels are arranged below the universal wheel seat, upright posts are arranged on the guide rail, positioning nails are arranged on the upright posts, an air suction cover is arranged between the upright posts, an air pump is arranged on one side of the air suction cover close to the push handle, a first vent pipe is arranged between the air suction cover and the air pump, a sedimentation barrel is arranged on one side of the air pump away from the upright posts, a rotating shaft seat is arranged below the sedimentation barrel, an air inlet pipe is arranged on the sedimentation barrel, a second vent pipe is arranged between the air pump and the air inlet pipe, a sedimentation barrel cover is arranged above the sedimentation barrel, a rotating shaft is arranged in the rotating shaft seat, and a rotating arm is arranged on the rotating shaft, a bent pipe is arranged at one side of the air inlet pipe close to the rotating shaft, a first belt pulley is arranged below the rotating shaft, a motor is arranged in front of the air pump, a second belt pulley is arranged at the output end of the motor, a belt is arranged between the first belt pulley and the second belt pulley, a filter vat is arranged on one side of the sedimentation vat away from the air pump, a filter vat cover is arranged above the filter vat, a first water pump is arranged in front of the filter vat, a first connecting pipe is arranged between the filter vat and the first water pump, a second connecting pipe is arranged between the sedimentation barrel and the first water pump, a second water pump is arranged behind the filter barrel, a third connecting pipe is arranged between the filter vat and the second water pump, a fourth connecting pipe is arranged between the sedimentation vat and the second water pump, a filter frame is arranged in the filter vat, and a filter element is arranged in the filter frame.
Preferably: the base is welded with the guide rail, the base is welded with the push handle, the base is welded with the universal wheel seat, and the universal wheel seat is connected with the universal wheel through threads.
So set up, through other spare parts of installation are arranged to the base, through the guide rail makes the stand is convenient for slide and slip stably, and then is convenient for adjust according to the operation requirement the position of cover of breathing in, through push away the handle and be convenient for operating personnel and promote this device, through universal wheel seat is connected the base with the universal wheel to realize the multidirectional removal of this device.
Preferably: the guide rail with stand sliding connection, the stand with the location nail passes through threaded connection, the stand with the cover of breathing in passes through bolted connection, the base with the air pump passes through bolted connection, the cover of breathing in the air pump all with first breather pipe passes through threaded connection.
So set up, through the location nail is adjusted the stand is in the resistance size when sliding on the guide rail, through the cover of breathing in, first breather pipe, the air pump absorbs waste gas and to discharge in the setting bucket.
Preferably: the base with the setting bucket passes through bolted connection, the setting bucket with the pivot seat welding, the setting bucket with the intake pipe passes through threaded connection, the air pump the intake pipe all with the second breather pipe passes through threaded connection, the setting bucket with the setting bucket bung passes through threaded connection.
So set up, through settling cask adds the exhaust-gas treatment solution and handles waste gas, through the installation of pivot seat the pivot is passed through intake-tube connection the second breather pipe with the return bend, waste gas warp the cover of breathing in first breather pipe the air pump the second breather pipe the intake pipe in the return bend gets into the exhaust-gas treatment solution, through settling cask bung prevents liquid splashes in the settling cask.
Preferably: the pivot seat with the pivot is passed through the bearing and is connected, the pivot with rocking arm welding, the intake pipe with the return bend passes through flange joint, the pivot with first belt pulley passes through bolted connection, the base with the motor passes through bolted connection, the motor output with the second belt pulley passes through bolted connection, first belt pulley the second belt pulley all with belt frictional connection.
So set up, through the return bend is leading-in waste gas in to the treatment fluid, through the second belt pulley the belt first belt pulley will the rotation of motor output end is transmitted extremely the pivot makes the pivot rotates and drives the pivot is right mixing liquid such as waste gas, treatment fluid in the settling cask carries out intensive mixing to improve the filter effect.
Preferably: the base with the lauter tub passes through bolted connection, the lauter tub with the lauter tub bung passes through threaded connection, the base with first water pump passes through bolted connection, the lauter tub first water pump all with first connecting pipe passes through threaded connection, the setting drum first water pump all with the second is even managed and is passed through threaded connection, the base with the second water pump passes through bolted connection, the lauter tub the second water pump all with the third is even managed and is passed through threaded connection, the setting drum the second water pump all with the fourth is even managed and is passed through threaded connection, the lauter tub with the straining frame passes through threaded connection, the straining frame with the filter core passes through threaded connection.
According to the arrangement, the filter barrel filters the mixed liquid in the sedimentation barrel, the liquid in the filter barrel is prevented from splashing by the barrel cover of the filter barrel, the mixed solution in the sedimentation barrel is pumped into the filter barrel through the fourth connecting pipe, the second water pump and the third connecting pipe, the filter element filters the mixed solution and then is pumped into the sedimentation barrel through the first connecting pipe, the first water pump and the second connecting pipe, the filter element is required to be regularly cleaned and replaced when the device is used, and the filter element can be quickly replaced through the filter frame.
The utility model has the beneficial effects that:
1. the device is convenient to move according to the use requirement, so that the device is close to an exhaust gas source, and the exhaust gas treatment effect is improved;
2. the waste gas is convenient to be fully purified, the resource recycling efficiency is improved, and the use cost is reduced;
3. the operation and maintenance of operating personnel are convenient, and the consumable is convenient to replace.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:
FIG. 1 is a schematic isometric view of an exhaust gas treatment device for use in concrete production according to the present invention;
FIG. 2 is a schematic front view of an exhaust gas treatment apparatus for concrete preparation according to the present invention;
FIG. 3 is a schematic top view of an exhaust gas treatment device for concrete preparation according to the present invention;
FIG. 4 is a schematic top view of the waste gas treatment device for concrete preparation of the present invention with the barrel cover of the sedimentation barrel and the barrel cover of the filter barrel removed;
FIG. 5 is a left side view schematically showing the structure of an exhaust gas treatment apparatus for concrete preparation according to the present invention.
The reference numerals are explained below:
101. a base; 102. a guide rail; 103. a push handle; 104. a universal wheel seat; 105. a universal wheel; 201. a column; 202. positioning nails; 203. an air intake cover; 204. an air pump; 205. a first vent pipe; 301. a settling barrel; 302. a rotating shaft seat; 303. an air inlet pipe; 304. a second vent pipe; 305. the barrel cover of the sedimentation barrel; 401. a rotating shaft; 402. a rotating arm; 403. bending the pipe; 404. a first pulley; 405. a motor; 406. a second pulley; 407. a belt; 501. a filter vat; 502. the barrel cover of the filter barrel; 503. a first water pump; 504. a first connecting pipe; 505. a second connecting pipe; 506. a second water pump; 507. a third connecting pipe; 508. a fourth connecting pipe; 509. a filter frame; 510. and (3) a filter element.
Detailed Description
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The utility model is further illustrated by the following examples in connection with the accompanying drawings.
As shown in fig. 1-5, an exhaust gas treatment device for concrete preparation comprises a base 101, a guide rail 102 is disposed above the base 101, a push handle 103 is disposed on one side of the base 101, a universal wheel base 104 is disposed below the base 101, a universal wheel 105 is disposed below the universal wheel base 104, a column 201 is disposed on the guide rail 102, a positioning nail 202 is disposed on the column 201, an air suction cover 203 is disposed between the columns 201, an air pump 204 is disposed on one side of the air suction cover 203 close to the push handle 103, a first vent pipe 205 is disposed between the air suction cover 203 and the air pump 204, a sedimentation barrel 301 is disposed on one side of the air pump 204 far from the column 201, a rotating shaft base 302 is disposed below the sedimentation barrel 301, an air inlet pipe 303 is disposed on the sedimentation barrel 301, a second vent pipe 304 is disposed between the air pump 204 and the air inlet pipe, a sedimentation barrel cover 303 is disposed above the sedimentation barrel 301, a rotating shaft 401 is disposed in the rotating shaft base 302, a rotating arm 402 is arranged on the rotating shaft 401, an elbow 403 is arranged on one side, close to the rotating shaft 401, of the air inlet pipe 303, a first belt pulley 404 is arranged below the rotating shaft 401, a motor 405 is arranged in front of the air pump 204, a second belt pulley 406 is arranged at the output end of the motor 405, a belt 407 is arranged between the first belt pulley 404 and the second belt pulley 406, a filter vat 501 is arranged on one side, far away from the air pump 204, of the sedimentation vat 301, a filter vat cover 502 is arranged above the filter vat 501, a first water pump 503 is arranged in front of the filter vat 501, a first connecting pipe 504 is arranged between the filter vat 501 and the first water pump 503, a second connecting pipe 505 is arranged between the sedimentation vat 301 and the first water pump 503, a second water pump 506 is arranged behind the filter vat 501, a third connecting pipe 507 is arranged between the filter vat 501 and the second water pump 506, a fourth connecting pipe 508 is arranged between the sedimentation vat 301 and the second water pump 506, a filter frame 509 is arranged in the filter vat 501, and a filter element 510 is arranged in the filter frame 509.
Preferably: the base 101 is welded with the guide rail 102, the base 101 is welded with the push handle 103, the base 101 is welded with the universal wheel seat 104, and the universal wheel seat 104 is connected with the universal wheel 105 through threads; the guide rail 102 is connected with the upright column 201 in a sliding mode, the upright column 201 is connected with the positioning nail 202 through threads, the upright column 201 is connected with the air suction cover 203 through bolts, the base 101 is connected with the air pump 204 through bolts, and the air suction cover 203 and the air pump 204 are both connected with the first vent pipe 205 through threads; the base 101 is connected with the sedimentation barrel 301 through bolts, the sedimentation barrel 301 is welded with the rotating shaft base 302, the sedimentation barrel 301 is connected with the air inlet pipe 303 through threads, the air pump 204 and the air inlet pipe 303 are both connected with the second vent pipe 304 through threads, and the sedimentation barrel 301 is connected with the sedimentation barrel cover 305 through threads; the rotating shaft seat 302 is connected with a rotating shaft 401 through a bearing, the rotating shaft 401 is welded with a rotating arm 402, the air inlet pipe 303 is connected with an elbow pipe 403 through a flange, the rotating shaft 401 is connected with a first belt pulley 404 through a bolt, the base 101 is connected with a motor 405 through a bolt, the output end of the motor 405 is connected with a second belt pulley 406 through a bolt, and the first belt pulley 404 and the second belt pulley 406 are both in friction connection with a belt 407; base 101 and lauter tub 501 pass through bolted connection, lauter tub 501 passes through threaded connection with lauter tub bung 502, base 101 passes through bolted connection with first water pump 503, lauter tub 501, first water pump 503 all passes through threaded connection with first connecting pipe 504, settling cask 301, first water pump 503 all passes through threaded connection with second connecting pipe 505, base 101 passes through bolted connection with second water pump 506, lauter tub 501, second water pump 506 all passes through threaded connection with third connecting pipe 507, settling cask 301, second water pump 506 all passes through threaded connection with fourth connecting pipe 508, lauter tub 501 passes through threaded connection with lauter frame 509, lauter frame 509 passes through threaded connection with filter core 510.
In the above structure: when the device is installed to finish the waste gas treatment work for concrete preparation, other parts are arranged and installed through the base 101, the upright column 201 is convenient to slide and stable to slide through the guide rail 102, the position of the air suction cover 203 is convenient to adjust according to the use requirement, an operator can push the device conveniently through the push handle 103, and the base 101 and the universal wheels 105 are connected through the universal wheel seat 104 to realize multidirectional movement of the device; the resistance of the upright column 201 in sliding on the guide rail 102 is adjusted through the positioning nail 202, and waste gas is absorbed and discharged into the settling cask 301 through the air suction cover 203, the first breather pipe 205 and the air pump 204; waste gas treatment solution is added into the sedimentation barrel 301 to treat waste gas, the rotating shaft 401 is installed through the rotating shaft seat 302, the second vent pipe 304 and the bent pipe 403 are connected through the gas inlet pipe 303, the waste gas enters the waste gas treatment solution through the gas suction cover 203, the first vent pipe 205, the gas pump 204, the second vent pipe 304, the gas inlet pipe 303 and the bent pipe 403, and liquid in the sedimentation barrel 301 is prevented from splashing through the sedimentation barrel cover 305; waste gas is introduced into the treatment liquid through the bent pipe 403, the rotation of the output end of the motor 405 is transmitted to the rotating shaft 401 through the second belt pulley 406, the belt 407 and the first belt pulley 404, so that the rotating shaft 401 rotates to drive the rotating arm 402 to fully stir mixed liquid such as the waste gas, the treatment liquid and the like in the sedimentation barrel 301, and the filtering effect is improved; mix liquid in the sedimentation barrel 301 is filtered through the lauter tub 501, prevent through lauter tub bung 502 that the liquid in the lauter tub 501 from splashing, through fourth connecting pipe 508, second water pump 506, the third connecting pipe 507 with the mixed solution pump in the sedimentation barrel 301 go into the lauter tub 501, filter the back again by first connecting pipe 504 through filter core 510, first water pump 503, second connecting pipe 505 pump go into in the sedimentation barrel 301, need regularly clear up the change filter core 510 during use of this device, can quick replacement filter core 510 through filter frame 509.
While the preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present invention.
Claims (6)
1. An exhaust gas treatment device for concrete preparation, characterized in that: comprises a base (101), a guide rail (102) is arranged above the base (101), a push handle (103) is arranged on one side of the base (101), a universal wheel seat (104) is arranged below the base (101), universal wheels (105) are arranged below the universal wheel seat (104), a vertical column (201) is arranged on the guide rail (102), positioning nails (202) are arranged on the vertical column (201), an air suction cover (203) is arranged between the vertical columns (201), an air pump (204) is arranged on one side, close to the push handle (103), of the air suction cover (203), a first vent pipe (205) is arranged between the air suction cover (203) and the air pump (204), a sedimentation barrel (301) is arranged on one side, far away from the vertical column (201), of the air pump (204), a rotating shaft seat (302) is arranged below the sedimentation barrel (301), and an air inlet pipe (303) is arranged on the sedimentation barrel (301), a second vent pipe (304) is arranged between the air pump (204) and the air inlet pipe (303), a sedimentation barrel cover (305) is arranged above the sedimentation barrel (301), a rotating shaft (401) is arranged in the rotating shaft seat (302), a rotating arm (402) is arranged on the rotating shaft (401), an elbow pipe (403) is arranged on one side, close to the rotating shaft (401), of the air inlet pipe (303), a first belt pulley (404) is arranged below the rotating shaft (401), a motor (405) is arranged in front of the air pump (204), a second belt pulley (406) is arranged at the output end of the motor (405), a belt (407) is arranged between the first belt pulley (404) and the second belt pulley (406), a filter barrel (501) is arranged on one side, far away from the air pump (204), of the sedimentation barrel (301), and a filter barrel cover (502) is arranged above the filter barrel (501), the filter barrel is characterized in that a first water pump (503) is arranged in front of the filter barrel (501), a first connecting pipe (504) is arranged between the filter barrel (501) and the first water pump (503), a second connecting pipe (505) is arranged between the sedimentation barrel (301) and the first water pump (503), a second water pump (506) is arranged behind the filter barrel (501), a third connecting pipe (507) is arranged between the filter barrel (501) and the second water pump (506), a fourth connecting pipe (508) is arranged between the sedimentation barrel (301) and the second water pump (506), a filter frame (509) is arranged in the filter barrel (501), and a filter element (510) is arranged in the filter frame (509).
2. An exhaust gas treatment device for concrete preparation according to claim 1, wherein: the base (101) is welded with the guide rail (102), the base (101) is welded with the push handle (103), the base (101) is welded with the universal wheel seat (104), and the universal wheel seat (104) is connected with the universal wheel (105) through threads.
3. An exhaust gas treatment device for concrete preparation according to claim 1, wherein: guide rail (102) with stand (201) sliding connection, stand (201) with location nail (202) pass through threaded connection, stand (201) with cover (203) of breathing in passes through bolted connection, base (101) with air pump (204) pass through bolted connection, cover (203) of breathing in air pump (204) all with first breather pipe (205) pass through threaded connection.
4. An exhaust gas treatment device for concrete preparation according to claim 1, wherein: base (101) with settling cask (301) pass through bolted connection, settling cask (301) with pivot seat (302) welding, settling cask (301) with intake pipe (303) pass through threaded connection, air pump (204) intake pipe (303) all with second breather pipe (304) pass through threaded connection, settling cask (301) with settling cask bung (305) pass through threaded connection.
5. An exhaust gas treatment device for concrete preparation according to claim 1, wherein: pivot seat (302) with pivot (401) pass through the bearing and connect, pivot (401) with rocking arm (402) welding, intake pipe (303) with return bend (403) pass through flange joint, pivot (401) with first belt pulley (404) pass through bolted connection, base (101) with motor (405) pass through bolted connection, motor (405) output with second belt pulley (406) pass through bolted connection, first belt pulley (404) second belt pulley (406) all with belt (407) frictional connection.
6. An exhaust gas treatment device for concrete preparation according to claim 1, wherein: the base (101) is connected with the filter barrel (501) through a bolt, the filter barrel (501) is connected with the filter barrel cover (502) through a thread, the base (101) is connected with the first water pump (503) through a bolt, the filter barrel (501) and the first water pump (503) are connected with the first connecting pipe (504) through a thread, the sedimentation barrel (301) and the first water pump (503) are connected with the second connecting pipe (505) through a thread, the base (101) is connected with the second water pump (506) through a bolt, the filter barrel (501) and the second water pump (506) are connected with the third connecting pipe (507) through a thread, the sedimentation barrel (301) and the second water pump (506) are connected with the fourth connecting pipe (508) through a thread, and the filter barrel (501) is connected with the filter frame (509) through a thread, the filter frame (509) is connected with the filter element (510) through threads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123287195.7U CN216604582U (en) | 2021-12-24 | 2021-12-24 | A exhaust treatment device for concrete preparation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123287195.7U CN216604582U (en) | 2021-12-24 | 2021-12-24 | A exhaust treatment device for concrete preparation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216604582U true CN216604582U (en) | 2022-05-27 |
Family
ID=81682936
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123287195.7U Active CN216604582U (en) | 2021-12-24 | 2021-12-24 | A exhaust treatment device for concrete preparation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216604582U (en) |
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2021
- 2021-12-24 CN CN202123287195.7U patent/CN216604582U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240507 Address after: No. 201, Unit 5, North Building, Xiguan Hongye Dormitory, Changping District, Beijing, 102200 Patentee after: Liu Chunli Country or region after: China Address before: 350015 No. 555, Puwei village, Kuiqi village, Mawei Town, Mawei District, Fuzhou City, Fujian Province Patentee before: Fuzhou Hongchang Concrete Co.,Ltd. Country or region before: China |
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| TR01 | Transfer of patent right |
Effective date of registration: 20240701 Address after: Room 303, 3rd Floor, Building 5, No. 10 Ronghua South Road, Beijing Economic and Technological Development Zone, Daxing District, Beijing, 100176 Patentee after: Beijing Wanying Yisheng Technology Co.,Ltd. Country or region after: China Address before: No. 201, Unit 5, North Building, Xiguan Hongye Dormitory, Changping District, Beijing, 102200 Patentee before: Liu Chunli Country or region before: China |