CN214050697U - Sewage treatment device capable of continuously and alternately adsorbing and desorbing - Google Patents
Sewage treatment device capable of continuously and alternately adsorbing and desorbing Download PDFInfo
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- CN214050697U CN214050697U CN202021766248.6U CN202021766248U CN214050697U CN 214050697 U CN214050697 U CN 214050697U CN 202021766248 U CN202021766248 U CN 202021766248U CN 214050697 U CN214050697 U CN 214050697U
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- 239000010865 sewage Substances 0.000 title claims abstract description 60
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 42
- 238000001914 filtration Methods 0.000 claims abstract description 29
- 238000003795 desorption Methods 0.000 claims abstract description 11
- 230000007246 mechanism Effects 0.000 claims description 15
- 238000009792 diffusion process Methods 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 8
- 238000004140 cleaning Methods 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 2
- 238000005507 spraying Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 8
- 238000005406 washing Methods 0.000 description 8
- 238000012423 maintenance Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 3
- 239000011148 porous material Substances 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000007790 scraping Methods 0.000 description 2
- 230000007480 spreading Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 244000052616 bacterial pathogen Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model discloses a sewage treatment device capable of continuously and alternately adsorbing and desorbing, which belongs to the field of sewage treatment, and comprises a fixed support, filter tanks on two sides of the upper end of the fixed support, and a filter residue storage tank, wherein the filter tanks are provided with a water inlet and a water outlet, the right side of the fixed support is provided with a rotating shaft, the rotating shaft is fixedly sleeved with a plurality of filter plates from top to bottom at equal intervals, the upper end of the left side of the fixed support is fixedly connected with a fixed support, the fixed support is fixedly connected with a plurality of scraper plates corresponding to the filter plates, the lower ends of the scraper plates are provided with a brush, and the filter plates which are continuously rotated by the rotating shaft are vertically arranged in the filter tanks, when the sewage is subjected to multistage filtration, the sewage is contacted and rubbed with the scraper plates positioned outside the filter tanks in the rotating process, so that the gradual desorption work is also completed when the sewage is adsorbed, the sewage treatment device does not need to be stopped and then manually cleaned, so that the sewage treatment efficiency is high.
Description
Technical Field
The utility model relates to a sewage treatment field, more specifically say, relate to a sewage treatment plant of desorption is adsorbed in sustainable turn.
Background
The domestic sewage refers to sewage produced in daily life of people, including kitchen water, toilet water or other domestic water in various aspects, and mostly refers to a complex mixture of various inorganic matters and organic matters. A large amount of water is reserved in domestic sewage, in addition, a large amount of germs, parasitic ova and the like exist in the sewage, and the direct discharge of the biological sewage causes great adverse effects on the environment.
At present when handling domestic sewage, the sewage after the processing can carry out the reutilization, but present sewage treatment technique adopts filterable mode mostly, and general filter equipment can leave a large amount of filter residues after filtering and be difficult to the clearance on the filter screen, need clear up the filter screen through the manual work specially, wastes time and energy, causes sewage treatment inefficiency.
Therefore, the sewage treatment device capable of continuously and alternately adsorbing and desorbing is provided to improve the sewage treatment efficiency.
SUMMERY OF THE UTILITY MODEL
1. Technical problem to be solved
Problem to exist among the prior art, the utility model aims to provide a sewage treatment plant of desorption is adsorbed in turn to sustainable, a plurality of reliance axis of rotation that set up in filtering jar through from top to bottom continuously rotates the filter, when the realization carries out multistage filtration to leading-in sewage, still can rely on it to contact the friction at rotatory in-process and the scraper blade that is located the filtering jar outside, also accomplish gradual desorption work when realizing carrying out the absorption to sewage on the limit, and need not the shut down and again by artifical clearance, can effectively use manpower and materials sparingly, very high sewage treatment efficiency.
2. Technical scheme
In order to solve the above problems, the utility model adopts the following technical proposal.
A sewage treatment device capable of continuously and alternately adsorbing and desorbing comprises a fixed support, a filter tank and a filter residue storage pool which are fixedly connected with the two sides of the upper end of the fixed support, wherein a water inlet is arranged at the left side of the upper end of the filter tank, a water outlet is arranged at the right side of the lower end of the filter tank, a rotating shaft is arranged on the right side of the fixed support in a penetrating way, a driving mechanism for driving the rotating shaft is arranged below the fixed support, a plurality of filter plates are fixedly sleeved on the rotating shaft from top to bottom in an equidistant way, the right ends of the filter plates all penetrate through the filter tank, a plurality of penetrating cavities for the filter plates to penetrate through in a rotating way are formed in the left side wall of the filter tank, a fixed support is fixedly connected with the upper end of the left side of the fixed support, a cleaning solution inlet is formed in the upper end of the left side of the fixed support, a plurality of through pipes corresponding to the positions of the filter plates are fixedly connected with the right ends of the fixed support, the utility model aims to provide a sewage treatment device which can continuously and alternately adsorb and desorb, wherein a plurality of filter plates are continuously rotated by depending on rotating shafts which are arranged in the filtering tank from top to bottom, the filter plates can be contacted and rubbed with the scraper plates which are positioned outside the filtering tank in the rotating process while the imported sewage is continuously filtered, so that the gradual desorption work can be realized while the sewage is adsorbed without stopping the machine and then manually cleaning the machine, can effectively save manpower and material resources and improve the sewage treatment efficiency.
Furthermore, actuating mechanism is including driving motor and the meshing gear train of installing in the driving end of driving motor, meshing gear train comprises two gear engagement, and one of them gear fixed connection in the bottom of axis of rotation, and this kind of drive arrangement simple structure is favorable to the maintenance and the maintenance of later stage to the device.
Further, circulation mechanism includes fixed connection and deposits the communicating pipe of pond bottom one side in the filter residue, install the water pump on communicating pipe, the top of communicating pipe is connected in water inlet department, and this kind of setting can be retrieved the filtration to the sewage that washes the filter, avoids secondary pollution.
Further, set up in the fixed stay with the washing liquid feed inlet, set up the cavity that is linked together with the intake antrum in the scraper blade, and the sealed bottom of inlaying of installing in the cavity of brush, can make through scraper blade and brush wash more thoroughly to the filter screen, reinforcing filter effect effectively prolongs the life of filter screen.
Furthermore, the filtering tank is of a semi-cylindrical structure, the occupied space of the device can be reduced by the structure, the pore size density of the filtering plates from top to bottom is sequentially increased, and the filtering of sewage can be more thorough.
Furthermore, the bottom fixedly connected with of water inlet and the inside assorted sector plate of filter tank, the diffusion chamber that is linked together with the water inlet is seted up to the inside of sector plate, a plurality of watering holes that are linked together with the diffusion chamber are seted up to the bottom of sector plate, and this kind of structure can make more even the spreading of sewage on the filter, improves filterable effect and efficiency.
3. Advantageous effects
Compared with the prior art, the utility model has the advantages of:
(1) this scheme is through setting up a plurality of rotatory filter in filtering the jar from top to bottom, and the filter relies on the axis of rotation to continuously rotate, when the realization carries out multistage filtration to leading-in sewage, still can rely on it to contact the friction with the scraper blade that is located the filtering jar outside at rotatory in-process to realize also accomplishing gradual desorption work when the limit carries out the absorption to sewage, and need not to shut down and is cleared up by the manual work again, can effectively use manpower and materials sparingly, very high sewage treatment efficiency.
(2) The driving mechanism comprises a driving motor and a meshing gear set arranged at the driving end of the driving motor, the meshing gear set is formed by meshing two gears, one of the gears is fixedly connected to the bottom end of the rotating shaft, and the driving device is simple in structure and beneficial to later maintenance and repair of the device.
(3) Circulating mechanism includes that fixed connection deposits the communicating pipe of pond bottom one side in the filter residue, installs the water pump on communicating pipe, and the top of communicating pipe is connected in water inlet department, and this kind of setting can be retrieved the filtration to the sewage that washes the filter, avoids secondary pollution.
(4) Set up in the fixed stay with the washing liquid feed inlet, set up the cavity that is linked together with the siphunculus in the scraper blade, and the sealed bottom of inlaying and establishing and installing in the cavity of brush, the cooperation of brush and washing liquid can make washing more thorough to the filter, reinforcing filter effect effectively prolongs the life of filter screen.
(5) The filter tank is of a semi-cylindrical structure, the occupied space of the device can be reduced by the structure, the filter plates are sequentially increased in pore size density from top to bottom, and sewage can be filtered more thoroughly.
(6) The bottom fixedly connected with of water inlet and the inside assorted sector plate of filter tank, the diffusion chamber that is linked together with the water inlet is seted up to the inside of sector plate, and a plurality of watering holes that are linked together with the diffusion chamber are seted up to the bottom of sector plate, and this kind of structure can make more even the spreading of sewage on the filter, improves filterable efficiency and effect.
Drawings
Fig. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic top view of the present invention;
FIG. 3 is a schematic view of the construction of the squeegee of FIG. 1;
fig. 4 is a schematic diagram of the structure of the filter plate in fig. 1.
The reference numbers in the figures illustrate:
1 filter tank, 2 filter residue storage pools, 3 water inlets, 4 water outlets, 5 fixed supports, 6 rotating shafts, 7 meshing gear sets, 8 driving motors, 9 filter plates, 10 fixed support columns, 11 cleaning fluid feed inlets, 12 scraping plates, 13 hairbrushes, 14 filter screens, 15 communicating pipes and 16 water pumps.
Detailed Description
The drawings in the embodiments of the present invention will be combined; the technical scheme in the embodiment of the utility model is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the present invention; but not all embodiments, are based on the embodiments of the invention; all other embodiments obtained by a person skilled in the art without making any inventive step; all belong to the protection scope of the utility model.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; 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 in specific cases to those skilled in the art.
Example 1:
please refer to fig. 1-4, a sewage treatment device capable of continuously and alternately adsorbing and desorbing, which comprises a fixed support 5, a filtering tank 1 fixedly connected to both sides of the upper end of the fixed support 5, and a filtering residue storage tank 2, wherein a water inlet 3 is arranged on the left side of the upper end of the filtering tank 1, the filtering tank 1 is of a semi-cylindrical structure, the structure can reduce the occupied space of the device, the bottom end of the water inlet 3 is fixedly connected with a fan-shaped plate matched with the inside of the filtering tank 1, a diffusion chamber communicated with the water inlet 3 is arranged inside the fan-shaped plate, a plurality of water spraying holes communicated with the diffusion chamber are arranged at the bottom end of the fan-shaped plate, the structure can enable sewage to be more uniformly dispersed on a filter plate, and the.
Filter 1 lower extreme right side of jar and be equipped with delivery port 4, delivery port 4 is connected with external drainage structures, a sewage discharge for after will filtering, this is prior art, do not do too much to describe here, 5 right sides of fixed bolster run through and are equipped with axis of rotation 6, the below of fixed bolster 5 is provided with carries out driven actuating mechanism to axis of rotation 6, actuating mechanism is including driving motor 8 and install in the meshing gear train 7 of 8 drive ends of driving motor, meshing gear train 7 comprises two gear engagement, and one of them gear fixed connection is in the bottom of axis of rotation 6, this kind of drive arrangement simple structure, be favorable to the maintenance and the maintenance of later stage to the device.
A plurality of filter plates 9 are fixedly sleeved on the rotating shaft 6 from top to bottom in an equidistant manner, the right ends of the filter plates 9 penetrate through the inside of the filter tank 1, a plurality of penetrating cavities for the filter plates 9 to penetrate through are formed in the left side wall of the filter tank 1, a fixed support column 10 is fixedly connected to the upper end of the left side of the fixed support 5, a cleaning solution feed port 11 is formed in the upper end of the left side of the fixed support column 10, a plurality of through pipes corresponding to the positions of the filter plates 9 are fixedly connected to the right ends of the fixed support column 10, scrapers 12 communicated with the through pipes are fixedly installed at the bottom ends of the through pipes, cavities communicated with the water inlet cavities are formed in the water inlet cavity scrapers 12 communicated with the cleaning solution feed port 11 and arranged in the fixed support column 10, brushes 13 are installed at the bottom ends of the cavities in a sealing and embedding manner, the bottom ends of the scrapers 12 are respectively located at the upper ends of the filter plates 9 corresponding to the positions, and brushes 13 are fixedly installed at the lower ends of the scrapers 12, scraper blade 12 is located the filter residue and deposits the top of pond 2, the filter residue is deposited pond 2 and filter 9's outside portion phase-match, in order effectively to realize that the sewage that spills from filter 9 can all collect in filter residue deposits pond 2, the inner wall that pond 2 was deposited to the filter residue closely inlays and is equipped with detachable filter screen 14, 15 connect on the filter residue of filter screen 14 below deposits pond 2's lateral wall communicating pipe, impurity interception is on filter screen 14, later technical personnel in the field can regularly clean, actuating mechanism's setting is used for driving a plurality of filters 9 through axis of rotation 6 and carries out the rotation operation, thereby can realize that whole filter 9 device is adsorbing and accomplishing desorption work again at rotatory in-process promptly accomplishing.
The left side lower extreme that pond 2 was deposited to the filter residue is linked together with water inlet 3 through circulation mechanism, and circulation mechanism includes that fixed connection deposits communicating pipe 15 of 2 bottom one sides in pond in the filter residue, installs water pump 16 on communicating pipe 15, and the top of communicating pipe 15 is connected in water inlet 3 department, and this kind of setting can be retrieved the sewage that washes the filter and is filtered, avoids secondary pollution.
When using this device to carry out domestic sewage treatment, at first need start the actuating mechanism of this device, again with domestic sewage leading-in water inlet 3 in, sewage spills the mouth of a river through the fan-shaped board lower extreme that water inlet 3 below set up and spills evenly in the top of filter 9, be favorable to make full use of filter 9, later sewage can filter through multilayer filter 9, the aperture density of multilayer filter 9 increases from last to down in proper order, the layering is filtered, improve sewage filter effect greatly, sewage after the filtration falls into the bottom of filtering jar 1 and discharges through delivery port 4, meanwhile, driving motor 8 of fixed bolster 5 below drives fixed connection in the rotation of epaxial multilayer filter 9 through drive end and meshing gear train 7 and rotates, filter residue on the filter 9 can rotate filtering jar 1 outside along with filter 9, a plurality of scraper blades 12 and the brush 13 corresponding with filter 9 that set up on the fixed bolster 10 this moment can sweep the filter residue Remove and erode, scraper blade 12 inside is equipped with the cavity that is linked together with washing liquid feed inlet 11, the washing liquid can follow washing liquid feed inlet 11 and get into, the cavity through scraper blade 12 lower extreme flows out, wash filter 9, effectively strengthen the effect of scraping off of scraper blade, later the filter residue can fall into set up below it and filter 9 appearance assorted filter residue deposit pond 2 in, and closely inlay detachable filter screen 14 established on the inner wall of filter residue deposit pond 2 can filter the filter residue once more, retrieve the washing liquid wherein and enter into water inlet 3 through water pump 16 and communicating pipe 15's mating reaction, filter once more, the filter residue then has the professional in this area to handle, better sparingly filter the cost.
What need emphasize here is that the filtration of multilayer filter 9 right side to sewage and the left filter residue desorption work of filter 9 go on in step, and the desorption process can not influence going on of filtration work to realize also accomplishing gradual desorption work when carrying out the absorption to sewage on the limit, and need not to shut down and again by artifical clearance, can effectively use manpower and materials sparingly, very high sewage treatment efficiency.
The components adopted in the utility model are all universal standard components or components known by the technicians in the field, and the structure and the principle of the components can be known by the technicians through technical manuals or conventional experimental methods.
The above; is only a preferred embodiment of the present invention; however, the scope of protection of the present invention is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; according to the technical scheme of the utility model and the improvement conception, equivalent substitution or change is carried out; are all covered by the protection scope of the utility model.
Claims (6)
1. The utility model provides a sewage treatment plant of desorption is adsorbed in sustainable turn, includes that fixed bolster (5) and fixed connection deposit pond (2), filter residue in filtering jar (1), the filter residue of fixed bolster (5) upper end both sides, its characterized in that: the filter tank is characterized in that a water inlet (3) is arranged on the left side of the upper end of the filter tank (1), a water outlet (4) is arranged on the right side of the lower end of the filter tank (1), a rotating shaft (6) penetrates through the right side of the fixed support (5), a driving mechanism for driving the rotating shaft (6) is arranged below the fixed support (5), a plurality of filter plates (9) are fixedly sleeved on the rotating shaft (6) from top to bottom in an equidistant manner, the right ends of the filter plates (9) penetrate through the filter tank (1), a plurality of penetrating cavities for the filter plates (9) to penetrate through in a rotating manner are formed in the left side wall of the filter tank (1), a fixed support column (10) is fixedly connected to the upper end of the left side of the fixed support (5), a cleaning solution feed inlet (11) is formed in the upper end of the left side of the fixed support column (10), a plurality of through pipes corresponding to the positions of the filter plates (9) are fixedly connected to the right ends of the fixed support column (10), the bottom fixed mounting of siphunculus has scraper blade (12) rather than being linked together, and is a plurality of the bottom of scraper blade (12) is located the upper end of filter (9) rather than the position correspondence respectively, scraper blade (12) lower extreme fixed mounting has brush (13), scraper blade (12) are located the top in pond (2) is deposited to the filter residue, the inner wall that pond (2) was deposited to the filter residue closely inlays and is equipped with filter screen (14), the left side lower extreme that pond (2) was deposited to the filter residue is linked together through circulation mechanism and water inlet (3).
2. The sewage treatment device capable of continuously and alternately adsorbing and desorbing as claimed in claim 1, wherein: the driving mechanism comprises a driving motor (8) and a meshing gear set (7) arranged at the driving end of the driving motor (8), wherein the meshing gear set (7) is formed by meshing two gears, and one gear is fixedly connected to the bottom end of the rotating shaft (6).
3. The sewage treatment device capable of continuously and alternately adsorbing and desorbing as claimed in claim 1, wherein: the circulation mechanism comprises a communicating pipe (15) fixedly connected to one side of the bottom end of the filter residue storage pool (2), a water pump (16) is installed on the communicating pipe (15), and the top end of the communicating pipe (15) is connected to the water inlet (3).
4. The sewage treatment device capable of continuously and alternately adsorbing and desorbing as claimed in claim 1, wherein: a water inlet cavity communicated with the cleaning liquid feed inlet (11) is formed in the fixed support column (10), a cavity communicated with the water inlet cavity is formed in the scraper (12), and the brush (13) is installed at the bottom end of the cavity in a sealing and embedding manner.
5. The sewage treatment device capable of continuously and alternately adsorbing and desorbing as claimed in claim 1, wherein: the filtering tank (1) is of a semi-cylindrical structure, and the filtering plates (9) are sequentially increased in aperture density from top to bottom.
6. The sewage treatment device capable of continuously and alternately adsorbing and desorbing as claimed in claim 5, wherein: the bottom end of the water inlet (3) is fixedly connected with a fan-shaped plate matched with the inside of the filter tank (1), a diffusion cavity communicated with the water inlet (3) is formed in the fan-shaped plate, and a plurality of water spraying holes communicated with the diffusion cavity are formed in the bottom end of the fan-shaped plate.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021766248.6U CN214050697U (en) | 2020-08-21 | 2020-08-21 | Sewage treatment device capable of continuously and alternately adsorbing and desorbing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021766248.6U CN214050697U (en) | 2020-08-21 | 2020-08-21 | Sewage treatment device capable of continuously and alternately adsorbing and desorbing |
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| CN214050697U true CN214050697U (en) | 2021-08-27 |
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| CN202021766248.6U Active CN214050697U (en) | 2020-08-21 | 2020-08-21 | Sewage treatment device capable of continuously and alternately adsorbing and desorbing |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115869694A (en) * | 2023-02-28 | 2023-03-31 | 延安大学西安创新学院 | Dirt separating device for medical flushing equipment |
| CN115920600A (en) * | 2023-01-05 | 2023-04-07 | 合肥万豪能源设备有限责任公司 | A kind of amine liquid purification system |
| CN117760029A (en) * | 2023-12-25 | 2024-03-26 | 江苏赖氏环保科技有限公司 | Evaporative wet curtain dust removal and cleaning equipment for evaporative environmentally friendly air conditioners |
| CN119455480A (en) * | 2025-01-16 | 2025-02-18 | 安徽盛美诺生物技术有限公司 | A separation and purification device and process for preparing liquid collagen peptides |
| CN120058081A (en) * | 2025-03-28 | 2025-05-30 | 湖北众诚环境技术有限公司 | Sewage treatment device |
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2020
- 2020-08-21 CN CN202021766248.6U patent/CN214050697U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115920600A (en) * | 2023-01-05 | 2023-04-07 | 合肥万豪能源设备有限责任公司 | A kind of amine liquid purification system |
| CN115869694A (en) * | 2023-02-28 | 2023-03-31 | 延安大学西安创新学院 | Dirt separating device for medical flushing equipment |
| CN117760029A (en) * | 2023-12-25 | 2024-03-26 | 江苏赖氏环保科技有限公司 | Evaporative wet curtain dust removal and cleaning equipment for evaporative environmentally friendly air conditioners |
| CN117760029B (en) * | 2023-12-25 | 2025-10-24 | 江苏赖氏环保科技有限公司 | Evaporative wet curtain dust removal and cleaning equipment for evaporative environmentally friendly air conditioners |
| CN119455480A (en) * | 2025-01-16 | 2025-02-18 | 安徽盛美诺生物技术有限公司 | A separation and purification device and process for preparing liquid collagen peptides |
| CN120058081A (en) * | 2025-03-28 | 2025-05-30 | 湖北众诚环境技术有限公司 | Sewage treatment device |
| CN120058081B (en) * | 2025-03-28 | 2026-04-21 | 湖北众诚环境技术有限公司 | Sewage treatment device |
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