CN108191124B - Sewage treatment recovery unit - Google Patents
Sewage treatment recovery unit Download PDFInfo
- Publication number
- CN108191124B CN108191124B CN201810024381.5A CN201810024381A CN108191124B CN 108191124 B CN108191124 B CN 108191124B CN 201810024381 A CN201810024381 A CN 201810024381A CN 108191124 B CN108191124 B CN 108191124B
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- Prior art keywords
- cleaning barrel
- impurity cleaning
- rotary drum
- wall
- impurity
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- 239000010865 sewage Substances 0.000 title claims abstract description 46
- 238000011282 treatment Methods 0.000 title claims abstract description 22
- 238000011084 recovery Methods 0.000 title claims abstract description 13
- 239000012535 impurity Substances 0.000 claims abstract description 71
- 238000004140 cleaning Methods 0.000 claims abstract description 45
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 36
- 230000000903 blocking effect Effects 0.000 claims abstract description 4
- 239000004519 grease Substances 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 4
- 238000004065 wastewater treatment Methods 0.000 claims 4
- 230000000694 effects Effects 0.000 abstract description 6
- 229940037003 alum Drugs 0.000 description 21
- 239000002244 precipitate Substances 0.000 description 8
- 239000013049 sediment Substances 0.000 description 5
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 4
- 238000000605 extraction Methods 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 238000011221 initial treatment Methods 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 229910021502 aluminium hydroxide Inorganic materials 0.000 description 2
- -1 aluminum ions Chemical class 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000002250 absorbent Substances 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/469—Treatment of water, waste water, or sewage by electrochemical methods by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
- C02F1/5245—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents using basic salts, e.g. of aluminium and iron
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F2001/007—Processes including a sedimentation step
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/14—Maintenance of water treatment installations
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Filtration Of Liquid (AREA)
- Water Treatment By Sorption (AREA)
Abstract
The invention belongs to the field of water treatment engineering, and particularly discloses a sewage treatment recovery device which comprises an impurity cleaning barrel, wherein a cover plate is arranged on the impurity cleaning barrel, a feed pipe and a water inlet pipe are communicated on the cover plate, through grooves are formed in the opposite sides of the feed pipe and the water inlet pipe, plug boards used for blocking the feed pipe and the water inlet pipe are connected in the through grooves in a sliding mode, two polar plates which are opposite in diameter are arranged on the inner wall of the impurity cleaning barrel, the sewage treatment recovery device also comprises a power supply connected with the polar plates, two vibrating plates which are opposite in diameter are also arranged on the inner wall of the impurity cleaning barrel, arc-shaped bulges are arranged on the inner sides of the vibrating plates; the bottom of the impurity cleaning barrel is positioned below the vibrating plate and communicated with a collecting box, the outer side of the vibrating plate is connected with a connecting rod, and one end of the connecting rod, which is far away from the vibrating plate, is respectively connected with the plugboard; the impurity cleaning barrel is coaxially and rotatably connected with a rotary drum. By adopting the scheme of the invention, the sewage treatment effect is better and the efficiency is higher.
Description
Technical Field
The invention belongs to the field of water treatment engineering, and particularly discloses a sewage treatment and recovery device.
Background
Sewage treatment refers to a process of purifying sewage to meet the requirements for drainage or water quality for reuse. In daily life, alum is usually used for purifying water, aluminum ions are ionized in the water by the alum, the aluminum ions are hydrolyzed to generate colloidal aluminum hydroxide, and the colloid of the aluminum hydroxide has strong adsorption capacity and can adsorb impurities suspended in the water and form precipitates to clarify the water.
The sewage treatment device in the prior art, including impurity cleaning barrel, be equipped with the apron on the impurity cleaning barrel, the intercommunication has inlet pipe and inlet tube on the apron, during the use, sends into impurity cleaning barrel with alum from the inlet pipe in, sends into impurity cleaning barrel with sewage from the inlet tube in, sewage and alum take place the reaction in impurity cleaning barrel, generate the precipitate, realize sewage treatment. However, this device has the following drawbacks: the sewage and the alum are relatively static after entering the impurity cleaning barrel, so that the sewage which is contacted with the alum is easy to treat, the sewage which is not contacted with the alum is difficult to react, and the whole treatment effect is poor.
Disclosure of Invention
The invention aims to provide a sewage treatment and recovery device, which solves the problem that sewage is difficult to contact and react with alum completely.
In order to achieve the purpose, the basic scheme of the invention is as follows: the sewage treatment and recovery device comprises an impurity cleaning barrel, wherein a cover plate is arranged on the impurity cleaning barrel, a feed pipe and a water inlet pipe are communicated on the cover plate, through grooves are formed in the opposite sides of the feed pipe and the water inlet pipe, and plug boards used for blocking the feed pipe and the water inlet pipe are slidably connected in the through grooves; the inner wall of the impurity cleaning barrel is provided with two polar plates which are opposite in diameter, the impurity cleaning barrel also comprises a power supply connected with the polar plates, the inner wall of the impurity cleaning barrel is also provided with two vibrating plates which are opposite in diameter, the distance between the inner sides of the two polar plates is equal to the distance between the inner sides of the two vibrating plates, the inner sides of the vibrating plates are provided with arc-shaped bulges, and the vibrating plates are connected with the inner wall of the impurity cleaning barrel through springs; the bottom of the impurity cleaning barrel is positioned below the vibrating plate and communicated with a collecting box, the outer side of the vibrating plate is connected with a connecting rod, and one end of the connecting rod, which is far away from the vibrating plate, is respectively connected with the plugboard; coaxial rotation is connected with the rotary drum in the impurity clearance bucket, still including being used for driving rotary drum pivoted motor, is equipped with a plurality of inlet openings on the rotary drum lateral wall, is connected with the grease filter layer on the rotary drum outer wall, and the rotary drum outer wall still has the scraper blade along the circumference equipartition, and the scraper blade rotates the in-process and can contact with polar plate, vibration inboard, all is equipped with a plurality of through-holes on the scraper blade, is equipped with the outlet pipe in the rotary drum, is equipped with the water.
The working principle of the basic scheme is as follows: sewage gets into the impurity cleaning barrel from the inlet tube in, and alum drops into from the inlet pipe, and sewage and alum take place chemical reaction in the impurity cleaning barrel, generate aluminium hydroxide colloidal particle, and aluminium hydroxide colloidal particle can adsorb the impurity in the sewage. The water pump extraction rotary drum in, produce the negative pressure in the rotary drum, absorb the rotary drum with the sewage that has carried out impurity primary treatment in the impurity clearance bucket, the grease filter layer of rotary drum outer wall connection carries out secondary treatment to sewage, and the water in the rotary drum is recycled from outlet pipe discharge by the extraction.
The power is switched on for the polar plate, and the impurity gathering in the electric charge motion absorption sewage on the polar plate is near the polar plate, then alum get into impurity cleaning barrel after just can be comparatively concentrated with the impurity contact adsorption in the sewage, alum and impurity can both comparatively concentrated emergence response, purifying effect is better. The generated precipitates are also more intensively accumulated near the polar plate, partially adhered to the polar plate and partially accumulated below the polar plate. The motor drives the rotating drum to rotate at a slow speed, the scraper blade rotates along with the rotating drum in the impurity cleaning barrel, when the scraper blade contacts with the polar plate in the rotating process, sediment adhered to the polar plate and accumulated below the polar plate is scraped and taken away, and the sediment is adhered to the scraper blade and rotates along with the scraper blade. When the scraper blade rotates in-process and vibration board contact, the arch on scraper blade and the vibration board produces the friction and takes place the vibration, with the deposit on the scraper blade vibrate in the collecting box of impurity clearance barrel head portion, when the deposit is more in the collecting box, can extrude the water in the collecting box in the impurity clearance bucket, consequently can not deposit water in the collecting box. Because the continuous operation of the water pump pumps the sewage subjected to the primary impurity treatment into the rotary drum, when the scraper and the polar plate are separated from contact, the water in the impurity cleaning barrel is basically pumped into the rotary drum, and only sediment left in the impurity cleaning barrel needs to be treated. When the precipitate fell to pending in the collecting box, because it is protruding to be equipped with the arc on the vibration board, when the scraper blade moved along the vibration board, when contacting with bellied overhang, outwards promoted the vibration board, the spring shrink, the vibration board pushed the connecting rod outwards and moves, and connecting rod pulling picture peg outwards slides in logical inslot, and inlet tube and inlet pipe are opened, and new alum and pending sewage get into the impurity cleaning barrel from inlet tube and inlet tube respectively, repeats above-mentioned working process.
The beneficial effect of this basic scheme lies in:
1. the polar plate is arranged, so that impurities in the sewage can be attracted to the vicinity of the polar plate and can be in contact with the alum in a concentrated manner, and compared with the prior art that the alum and the sewage are relatively static, the impurities in the sewage can be completely adsorbed, the purification effect is good, and the efficiency is high; compare with alum and sewage stirring in order to realize abundant contact, the precipitate that generates also can be scattered everywhere in impurity cleaning barrel by the stirring, is difficult to centralized processing, and the precipitate that this device generated also can be comparatively concentrated pile up near the polar plate, convenient centralized processing.
2. The scraper blade rotates along with the rotary drum, and the scraper blade rotates and scrapes the adhesion on the polar plate and pile up the deposit under the polar plate and take away when contacting with the polar plate, and when the scraper blade rotated to contact with the vibration board, the arch on scraper blade and the vibration board produced the friction and vibrates the deposit vibration to the collection incasement pending, and the deposit can be comparatively concentrated the processing.
3. When scraper blade and vibration board produced the friction vibration, the scraper blade was followed the arc bellied motion, and when the scraper blade moved bellied outstanding end, the scraper blade pushed the vibration board and is outwards moved, and the spring shrink, the vibration board pushes the outside motion of connecting rod, and connecting rod pulling picture peg outwards slides in logical inslot, and inlet tube and inlet pipe are opened, and new alum gets into the impurity cleaning barrel with pending sewage from inlet tube and inlet tube respectively, can handle sewage in batches.
Further, the collecting box and the impurity cleaning barrel are detachably connected. And after the sewage treatment is finished, the collecting box is detached to treat the sediment in the collecting box.
Furthermore, activated carbon is arranged in the grease filtering layer. Further adsorbing impurities in the sewage.
Furthermore, a plurality of water outlet holes are formed in the outer wall of the water outlet pipe. Set up the speed that a plurality of apopores accelerated the play water on the one hand, on the other hand is very fast owing to go out the water, and then the speed that absorbs water and get into the rotary drum can be accelerated to the negative pressure that lasts in the rotary drum.
Furthermore, the through groove is semicircular, so that the insertion plate can be allowed to slide to the maximum extent, and a gap cannot be formed when the insertion plate slides along the through groove.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present invention;
FIG. 2 is a top view of an embodiment of the present invention.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: impurity clearance bucket 1, rotary drum 2, scraper blade 3, connecting rod 4, vibration board 5, inlet pipe 6, inlet tube 7, outlet pipe 8, spring 9, picture peg 10, polar plate 11, collecting box 12, arch 13.
As shown in figure 1, the sewage treatment and recovery device comprises an impurity cleaning barrel 1, wherein a rotary drum 2 is rotatably connected in the impurity cleaning barrel 1, a plurality of water inlet holes are formed in the outer wall of the rotary drum 2, a grease filtering layer is connected to the outer wall of the rotary drum 2, activated carbon is arranged in the grease filtering layer, and four scraping plates 3 are uniformly distributed on the outer wall of the rotary drum 2 along the circumferential direction. The upper end of the rotary drum 2 is provided with a driven gear, a motor is fixed on the frame, and a driving gear meshed with the driven gear is arranged on an output shaft of the motor.
The upper end of the impurity cleaning barrel 1 is provided with a cover plate, the left end of the cover plate is connected with an inlet pipe 6, the right end of the cover plate is connected with an inlet pipe 7, circular plugboards 10 are arranged in the inlet pipe 6 and the inlet pipe 7, the diameters of the plugboards 10 are consistent with those of the inlet pipe 6 and the inlet pipe 7, and the left side of the inlet pipe 6 and the right side of the inlet pipe 7 are respectively provided with a semicircular through groove for the plugboards 10 to slide. Be equipped with outlet pipe 8 in the rotary drum 2, the 8 outer walls of outlet pipe are equipped with a plurality of apopores, are equipped with the water pump in the outlet pipe 8. The left side and the right side of the bottom end of the impurity cleaning barrel 1 are both fixed with a collecting box 12 through bolts.
As shown in figure 2, two polar plates 11 are connected to the upper side and the lower side of the inner wall of the impurity cleaning barrel 1, the inner sides of the polar plates 11 are smooth, and the polar plates 11 are connected with a power supply. The left and right sides of the inner wall of the impurity cleaning barrel 1 is connected with two vibrating plates 5, one surface of each vibrating plate 5, which is close to the rotary drum 2, is provided with an arc-shaped bulge 13, a spring 9 is connected between each vibrating plate 5 and the impurity cleaning barrel 1, the vibrating plate 5 is further connected with a connecting rod 4, and as shown in figure 1, the upper end of each connecting rod 4 is connected with the plugboard 10 respectively.
During specific work, sewage gets into impurity cleaning barrel 1 from inlet tube 7, and alum gets into impurity cleaning barrel 1 from inlet tube 6, and the power is circular telegram for polar plate 11, and the impurity gathering in the electric charge motion absorption sewage on the polar plate 11 is near polar plate 11, then alum gets into impurity cleaning barrel 1 after just can be comparatively concentrated with the impurity contact absorption in the sewage, alum and impurity can both comparatively concentrated emergence be responded to, and purifying effect is better. The generated precipitates are more intensively accumulated near the polar plate 11, partially adhered to the polar plate 11 and partially accumulated below the polar plate 11. The impurity primary treatment of sewage finishes, starts the water pump, and the water in the water pump extraction rotary drum 2 produces the negative pressure in the rotary drum 2, absorbs rotary drum 2 with the sewage that has carried out impurity primary treatment in the impurity clearance bucket 1, and 2 outer wall connection's of rotary drum grease filter layer carry out secondary treatment to sewage, and the water in the rotary drum 2 is recycled by the extraction, accomplishes a sewage treatment.
The starter motor, the motor drives the driving gear and rotates, and the driving gear drives driven gear and rotates, and rotary drum 2 rotates along with driven gear, and scraper blade 3 rotates along with rotary drum 2, and 3 rotation in-process of scraper blade, when contacting with polar plate 11, scrape the adhesion on polar plate 11 and pile up the deposit below polar plate 11 and take away, and the deposit adhesion rotates along with scraper blade 3 on scraper blade 3. Scraper blade 3 continues to rotate and vibrates 5 contacts, the arch 13 on scraper blade 3 and the vibration board 5 produces the friction and takes place the vibration, vibrate the collecting box 12 of impurity clearance bucket 1 bottom with absorbent precipitate on the scraper blade 3 in, vibration board 5 outwards moves, the shrink of spring 9, vibration board 5 pushes away the outside motion of connecting rod 4, connecting rod 4 pulling picture peg 10 outwards slides in logical inslot, inlet tube 7 and inlet tube 6 are opened, new alum and the sewage of treating get into impurity clearance bucket 1 from inlet tube 6 and inlet tube 7 respectively, repeat above-mentioned working process.
After the sewage treatment is completed, the collecting box 12 is disassembled, and the sediment in the collecting box 12 is treated in a centralized way.
The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent.
Claims (5)
1. Sewage treatment recovery unit, including impurity clearance bucket, be equipped with the apron on the impurity clearance bucket, the intercommunication has inlet pipe and inlet tube, its characterized in that on the apron: a through groove is formed in the side wall of the feed pipe, an inserting plate used for blocking the feed pipe is connected in the through groove in a sliding manner, a through groove is also formed in the side wall of the water inlet pipe, and an inserting plate used for blocking the water inlet pipe is connected in the through groove formed in the water inlet pipe in a sliding manner; the inner wall of the impurity cleaning barrel is provided with two polar plates which are opposite in diameter, the impurity cleaning barrel also comprises a power supply connected with the polar plates, the inner wall of the impurity cleaning barrel is also provided with two vibrating plates which are opposite in diameter, the distance between the inner sides of the two polar plates is equal to the distance between the inner sides of the two vibrating plates, the inner sides of the vibrating plates are provided with arc-shaped bulges, and the vibrating plates are connected with the inner wall of the impurity cleaning barrel through springs; the bottom of the impurity cleaning barrel is positioned below the vibrating plate and communicated with a collecting box, the outer side of the vibrating plate is connected with a connecting rod, and one end of the connecting rod, which is far away from the vibrating plate, is respectively connected with the plugboard; coaxial rotation is connected with the rotary drum in the impurity clearance bucket, still including being used for driving rotary drum pivoted motor, is equipped with a plurality of inlet openings on the rotary drum lateral wall, is connected with the grease filter layer on the rotary drum outer wall, and the rotary drum outer wall still has the scraper blade along the circumference equipartition, and the scraper blade rotates the in-process and contacts with polar plate and vibration inboard board, all is equipped with a plurality of through-holes on the scraper blade, is equipped with the outlet pipe in the rotary drum, is equipped with the.
2. The wastewater treatment and recovery device according to claim 1, wherein: the collecting box and the impurity cleaning barrel are detachably connected.
3. The wastewater treatment and recovery device according to claim 2, wherein: and activated carbon is arranged in the grease filtering layer.
4. The wastewater treatment and recovery device according to claim 3, wherein: the outer wall of the water outlet pipe is provided with a plurality of water outlet holes.
5. The wastewater treatment and recovery device according to claim 4, wherein: the through groove is semicircular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810024381.5A CN108191124B (en) | 2018-01-10 | 2018-01-10 | Sewage treatment recovery unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810024381.5A CN108191124B (en) | 2018-01-10 | 2018-01-10 | Sewage treatment recovery unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108191124A CN108191124A (en) | 2018-06-22 |
| CN108191124B true CN108191124B (en) | 2020-06-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810024381.5A Active CN108191124B (en) | 2018-01-10 | 2018-01-10 | Sewage treatment recovery unit |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111395291A (en) * | 2020-05-08 | 2020-07-10 | 游蓉桢 | Lake water purifies with floating algae cleaning device |
| CN111517526A (en) * | 2020-05-14 | 2020-08-11 | 陆天友 | Sewage treatment deodorization equipment convenient to remove |
| CN111875189B (en) * | 2020-08-15 | 2022-04-29 | 海南绿境高科环保有限公司 | Treatment device containing biological-resistant mixed pharmaceutical wastewater |
| CN112607888A (en) * | 2020-12-14 | 2021-04-06 | 蚌埠市鑫源机电设备有限公司 | Sewage treatment filter equipment |
| CN114152087B (en) * | 2021-12-10 | 2024-05-24 | 洛浦天山水泥有限责任公司 | Rotary kiln for cement production |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105413896A (en) * | 2015-11-24 | 2016-03-23 | 重庆欣欣向荣精细化工有限公司 | Self-cleaning vertical centrifugal device |
| CN206814555U (en) * | 2017-03-16 | 2017-12-29 | 大连汪洋环境工程有限公司 | Sewage-treatment plant |
-
2018
- 2018-01-10 CN CN201810024381.5A patent/CN108191124B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105413896A (en) * | 2015-11-24 | 2016-03-23 | 重庆欣欣向荣精细化工有限公司 | Self-cleaning vertical centrifugal device |
| CN206814555U (en) * | 2017-03-16 | 2017-12-29 | 大连汪洋环境工程有限公司 | Sewage-treatment plant |
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| CN108191124A (en) | 2018-06-22 |
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Effective date of registration: 20231013 Address after: 163000 Grand Park, Daqing high tech Zone, Heilongjiang Patentee after: DAQING HUIQUAN ENVIRONMENTAL PROTECTION EQUIPMENT MANUFACTURING Co.,Ltd. Address before: 11-3, 55 Xinghai South Road, high tech Zone, Ningbo, Zhejiang 315000 Patentee before: NINGBO QINGZHI ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. |
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