CN111450605B - Self-cleaning sewage filtering device of filter screen - Google Patents
Self-cleaning sewage filtering device of filter screen Download PDFInfo
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- CN111450605B CN111450605B CN202010480403.6A CN202010480403A CN111450605B CN 111450605 B CN111450605 B CN 111450605B CN 202010480403 A CN202010480403 A CN 202010480403A CN 111450605 B CN111450605 B CN 111450605B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/35—Filters with filtering elements which move during the filtering operation with multiple filtering elements characterised by their mutual disposition
- B01D33/37—Filters with filtering elements which move during the filtering operation with multiple filtering elements characterised by their mutual disposition in parallel connection
- B01D33/39—Filters with filtering elements which move during the filtering operation with multiple filtering elements characterised by their mutual disposition in parallel connection concentrically or coaxially
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/15—Filters with filtering elements which move during the filtering operation with rotary plane filtering surfaces
- B01D33/155—Filters with filtering elements which move during the filtering operation with rotary plane filtering surfaces the filtering surface being parallel to the rotation axis
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/44—Regenerating the filter material in the filter
- B01D33/46—Regenerating the filter material in the filter by scrapers, brushes nozzles or the like acting on the cake-side of the filtering element
- B01D33/466—Regenerating the filter material in the filter by scrapers, brushes nozzles or the like acting on the cake-side of the filtering element scrapers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/44—Regenerating the filter material in the filter
- B01D33/52—Regenerating the filter material in the filter by forces created by movement of the filter element
- B01D33/54—Regenerating the filter material in the filter by forces created by movement of the filter element involving vibrations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/70—Filters with filtering elements which move during the filtering operation having feed or discharge devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/80—Accessories
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/80—Accessories
- B01D33/801—Driving means, shaft packing systems or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/80—Accessories
- B01D33/803—Accessories in which the filtering elements are moved between filtering operations ; Particular measures for removing or replacing the filtering elements; Transport systems for filters
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- 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
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
- C02F2201/006—Cartridges
-
- 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
- C02F2303/16—Regeneration of sorbents, filters
Abstract
The invention relates to a filter screen self-cleaning sewage filtering device, which effectively solves the problems that impurities cannot be cleaned in time and a filter screen is easy to block when sewage is filtered; the technical scheme of the solution is that the filter comprises a frame, wherein a filter which is obliquely arranged is arranged on the frame, and the filter comprises a plurality of scraping plates which are coaxially arranged; the plurality of scrapers are fixed by a plurality of baffles which are uniformly distributed on the circumference; the filter is formed by wrapping a plurality of filter plates; a water collecting tank is arranged below the filter; a fixedly installed material distributing plate is inserted in the middle of the filter, and sewage enters the filter through a pipeline and flows into the water collecting tank after being filtered; sundries fall into the upper side of the flat plate along with the rotation of the filter and slide rightwards along the flat plate; the filter plates can move left and right along the rails and reset right, a push rod is fixed on the right end face of each filter plate, and a first permanent magnet is fixed on the right end of each push rod; a plurality of second permanent magnets are fixed on the frame; the filter plate is pushed leftwards by the second permanent magnet, and the filter plate can automatically clean the filter screen and discharge sundries.
Description
Technical Field
The invention relates to the field of sewage treatment, in particular to a filter screen self-cleaning sewage filtering device.
Background
The sewage is normally discharged after being subjected to multistage processes of sedimentation, filtration, disinfection and the like. At present, the interior of sewage contains various impurities, so that a filter screen is easily blocked during filtering; thereby affecting the effectiveness and speed of filtration. Most of filtering devices on the market at present dredge the filter screen in a mode of cleaning regularly, and treat sundries accumulated on the filter screen; the cleaning process not only needs to be stopped, but also increases the workload. Some devices also use water or air pressure to flush the filter screen in real time, so that on one hand, unnecessary water pumps or air pumps are added, on the other hand, water used for flushing the filter screen is mixed with filtered impurities, the sewage quantity is increased, and the water content of the impurities is also increased; the subsequent treatment is inconvenient; particularly, the filter screen is easy to adhere to light and thin sundries such as plastic bags and the like, so that the filter screen is blocked in a large area, the cleaning frequency is low by adopting the traditional mode, and the sundries can not be removed in time; there is therefore a need to solve the above problems.
Disclosure of Invention
Aiming at the situation, in order to solve the problems in the prior art, the invention aims to provide a filter screen self-cleaning sewage filtering device, which can effectively solve the problems that impurities cannot be cleaned in time and a filter screen is easy to block during sewage filtering.
The technical scheme of the solution is that the filter comprises a frame, wherein a filter which is obliquely arranged is arranged on the frame, and the filter comprises a plurality of coaxially arranged annular scraping plates; a plurality of scrapers are fixed by a plurality of baffles which are uniformly distributed on the circumference; the left end and the right end of the plurality of baffles are respectively fixed with a circular water-stop plate; the outer side of each baffle is fixed with a track which is in the same direction as the baffles; an arc-shaped filter plate is arranged between two adjacent tracks, and the whole filter is wrapped by a plurality of filter plates;
the filter can rotate, and a water collecting tank is arranged below the filter; the middle part of the filter is inserted with a fixedly installed material distributing plate, and the material distributing plate consists of a front sector plate and a rear sector plate which are symmetrically arranged and a flat plate positioned between the two sector plates; a pipeline is fixed on the lower end face of the flat plate, and a plurality of water outlets are formed in the pipeline; the sewage enters the filter through the water outlet of the pipeline, and flows into the water collecting tank after being filtered; sundries fall into the upper side of the flat plate along with the rotation of the filter and slide rightwards along the flat plate;
the filter plates can move left and right along the rails and reset right, a push rod is fixed on the right end face of each filter plate, and a first permanent magnet is fixed on the right end of each push rod; an arc-shaped plate positioned on the right side of the filter is fixed on the frame, and a plurality of second permanent magnets are uniformly distributed on the arc-shaped plate; after the filter plate rotates along with the filter until the first permanent magnet corresponds to the second permanent magnet, the filter plate is pushed leftwards.
The invention has the following advantages: 1. filtering circularly and uninterruptedly without stopping the machine; 2. the filter plate is automatically cleaned by left and right vibration without blockage and without depending on a water pump or an air pump; 3. the filtered water and the impurities are respectively discharged (the impurities are obliquely arranged and automatically slide down).
Drawings
Fig. 1 is a front view of the present invention.
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1 in accordance with the present invention.
Fig. 3 is a perspective view of the filter of the present invention.
FIG. 4 is a schematic view of the connection rod, the ring, and the filter being fixed.
Fig. 5 is a perspective view of the filter plate.
Fig. 6 is a left side view of the arcuate plate.
Fig. 7 is a schematic view of a pipe.
Detailed Description
The following describes in further detail embodiments of the present invention with reference to the accompanying drawings.
As shown in fig. 1 to 7, the present invention includes a frame 1, a filter 2 is mounted on the frame 1, the filter 2 includes a plurality of coaxially arranged annular scrapers 201; a plurality of scrapers 201 are fixed by a plurality of baffles 202 which are uniformly distributed on the circumference; a circular water-stop plate 203 is fixed at each of the left and right ends of the plurality of baffles 202; the outer side of each baffle 202 is fixed with a track 204 which is in the same direction as the baffle 202; an arc-shaped filter plate 205 is arranged between two adjacent tracks 204, and the whole filter 2 is wrapped by a plurality of filter plates 205;
the filter 2 can rotate, and a water collecting tank 3 is arranged below the filter 2; the middle part of the filter 2 is inserted with a fixedly installed material distributing plate 4, and the material distributing plate 4 consists of a front sector plate 401 and a rear sector plate 401 which are symmetrically arranged and a flat plate 402 which is positioned between the two sector plates 401; a pipeline 5 is fixed on the lower end face of the flat plate 402, and a plurality of water outlets 6 are formed in the pipeline 5; sewage enters the filter 2 through the water outlet 6 of the pipeline 5, and flows into the water collecting tank 3 after being filtered; the sundries fall to the upper side of the flat plate 402 along with the rotation of the filter 2 and slide to the right along the flat plate 402;
the filter plates 205 can move left and right along the track 204 and reset right, a push rod 7 is fixed on the right end face of each filter plate 205, and a first permanent magnet 8 is fixed on the right end of each push rod 7; an arc-shaped plate 9 positioned on the right side of the filter 2 is fixed on the shelf 1, and a plurality of second permanent magnets 10 are uniformly distributed on the arc-shaped plate 9; when the filter plate 205 rotates with the filter 2 until the first permanent magnet 8 and the second permanent magnet 10 correspond to each other, the filter plate 205 is pushed leftward.
In order to realize the rotary installation of the filter 2, a plurality of circular rings 11 sleeved outside the filter 2 are fixed on the frame 1 through connecting rods, and rollers 12 corresponding to the circular rings 11 are installed on the outer side surface of each track 204.
In order to realize the left-right movement and the right-hand restoration of the filter plates 205, the left end surfaces of the filter plates 205 are provided with edges 13, a plurality of guide rods 14 corresponding to the edges 13 are fixedly mounted on the left water-stop plate 203, the guide rods 14 penetrate through the edges 13, and the guide rods 14 are sleeved with compression springs 15 positioned between the left ends of the guide rods 14 and the left side surfaces of the edges 13.
In order to realize the rotation of the filter 2, the middle part of the filter 2 is sleeved with a gear, the inner edge surface of the gear is fixed on the outer side of the national road of the filter, a gap is reserved between the inner edge surface of the gear and the filter plate 205, and the frame 1 is fixed with a motor 16 for driving the gear to rotate.
In order to realize filtration, a plurality of filtration holes are uniformly distributed on the filter plate 205, and the filter plate 205 is made of stainless steel.
In order to fix the material distributing plate 4, the front end and the rear end of the material distributing plate 4 are arranged on the outer side of the filter 2, and the front end and the rear end of the material distributing plate 4 are fixed on the frame 1 through a plurality of pull rods.
In order to scrape the filter plate 205, the outer edge surface of the scraping plate 201 contacts the inner edge surface of the filter plate 205.
In order to move the filter sheet 205 right and left when it is uppermost, the arc-shaped plate 9 is positioned above and to the right of the filter 2.
In order to better enable the sewage to enter the filter 2, the right end of the pipeline 5 is in a closed shape.
When the invention is used, firstly, sewage enters along the pipeline 5 through the left end of the pipeline 5; because the pipeline 5 is provided with a plurality of water outlets 6, sewage can flow out through the plurality of water outlets 6 and fall into the filter 2; after the sewage enters the filter 2, at this time, because the inside of the filter 2 is provided with a plurality of annular scrapers 201, the scrapers 201 can play a role of dividing the area, so that the sewage is filtered in a plurality of different areas; avoid sewage and debris along the inclination of filter 2, pile up in the right-hand member in a large number.
Because the arc-shaped plate 9 corresponds to the upper end of the right side of the filter 2, the lower filter plate 205 is in a state of being pressed rightwards under the action of the pressure spring 15 sleeved on the guide rod 14, so that the lower filter plate 205 wraps the filter 2 to perform filtering operation; the filtered water flows into the sump 3 and foreign materials remain on the filter sheet 205.
Along with the rotation of the filter 2, the filter plate 205 which is originally positioned at the lower part can slowly rotate upwards, and at the moment, under the action of the baffle 202, the baffle 202 can stir sundries and also rotate upwards along with the filter 2; referring to fig. 2, the front side and the rear side of the material distributing plate 4 are respectively provided with a sector plate 401; therefore, when the sundries rotate to the horizontal position and continue to rotate upwards, the sundries can be blocked by the fan-shaped plate 401, and are prevented from directly falling; in the process, the sewage contained in the impurities can also flow downwards from the gaps and flow into the water collecting tank 3, so that the content of the sewage in the impurities is reduced, particularly the impurities partially similar to a dish shape, and the sewage in the impurities can be automatically discharged.
When the filter 2 continues to rotate, the filter plate 205 which is originally positioned below gradually rotates to the highest point of the filter 2, at the moment, the fan-shaped plate 401 does not block sundries, the sundries directly fall on the flat plate 402 of the material separating plate 4 under the action of gravity, and the sundries slide along the flat plate 402 to the right side due to the smooth surface and the inclined arrangement of the flat plate 402, and a sundry box can be arranged on the right side to collect and process the sundries in a statistical manner; the automatic removal of the sundries is realized.
Meanwhile, after the filter plate 205 is positioned above, the first permanent magnet 8 on the push rod 7 at the right end face of the filter plate 205 corresponds to the second permanent magnet 10 on the arc-shaped plate 9, and at the moment, under the action of the like poles of the two permanent magnets repelling each other, the filter plate 205 is pushed to move leftwards; when the filter plate 205 moves to the left, the filter plate 205 and the scraper 201 will generate relative displacement, so that the outer edge of the scraper 201 scrapes the inner side surface of the filter plate 205, and the impurities adhered on the filter plate 205 are cleaned; and dropped onto the plate 402. Meanwhile, the second permanent magnets 10 are arranged at intervals, so that the filter plate 205 can move left and right repeatedly after the filter plate 205 rotates along with the filter 2, the filter plate 205 can be cleaned repeatedly, and the cleaning effect is ensured. Then, after the filter plate 205 continues to rotate downwards, the first permanent magnet 8 is far away from the second permanent magnet 10, and the filter plate 205 is reset rightwards again and is in a state of wrapping the filter 2; the work of cyclic reciprocation is realized.
Because the water-stop sheet 203 is arranged on the left side and the right side of the device, sewage and sundries can be blocked by the water-stop sheet 203 at the right end of the filter 2, and the sundries are prevented from falling from the right end of the device.
The device is suitable for various sewage treatment places, particularly municipal sewage plants, or sewage discharged by various manufacturing factories, or sewage generated by industries such as agriculture, forestry, animal husbandry and the like, can be used for quickly treating, saves the cost and is convenient to maintain.
The device realizes the circular filtration of the filter plate 205 by introducing sewage into the inside of the rotatable filter 2, specifically, the device realizes the timely cleaning of the filter plate 205 by filtering at the lower part and cleaning at the upper part; continuous work is ensured, the cleaning of the filter plate 205 is ensured, and the filtering effect and quality are improved.
This device is through setting up branch flitch 4, makes sewage filter the back in the below, and debris can be along with filter 2's rotation to fall on dull and stereotyped 402's top, arrange through the slope of whole device then, debris can be automatic along dull and stereotyped 402 landing, have realized through the sewage after the filtration, and debris can divide two tunnel flows, have realized real-time filtration, and real-time clearance has avoided piling up of debris, need not shut down and clears up debris. Simultaneously, the fan-shaped plates 401 on the front side and the rear side of the material distributing plate 4 can play a role in blocking sundries, so that the sundries can fall off only after rotating to the upper side, and slow dehydration can be performed in the middle process to reduce the water content.
Through setting up filter plate 205 to the structure that can remove about in this device, make its acquiescence be in "closed state" and filter promptly, after to the top along with the rotation of filter 2, reciprocating motion several times about can under the effect of permanent magnet, realized the automatic clearance of filter plate, do not need extra water pump or air pump to wash, simple high efficiency saves power.
The scraper 201 has a remarkable effect, and when the scraper is positioned below the filter, the scraper plays a role in dividing water and sundries, so that sewage is uniformly distributed on the filter plate 205 for filtering, and the sewage is prevented from being accumulated at a low position of the filter 2; when the scraper blade is positioned above the filter plate 205, the outer edge surface of the scraper blade 201 scrapes the filter plate 205, so that the impurities fall off and are prevented from adhering to the filter plate 205.
Claims (8)
1. A filter screen self-cleaning sewage filtering device comprises a frame (1) and is characterized in that a filter (2) which is obliquely arranged is arranged on the frame (1), and the filter (2) comprises a plurality of coaxially arranged annular scraping plates (201); a plurality of scrapers (201) are fixed by a plurality of baffles (202) which are uniformly distributed on the circumference; the left end and the right end of each baffle plate (202) are respectively fixed with an annular water stop plate (203); the outer side of each baffle plate (202) is fixed with a track (204) which is in the same direction as the baffle plate (202); arc-shaped filter plates (205) are arranged between two adjacent tracks (204), and the whole filter (2) is wrapped by a plurality of filter plates (205);
the filter (2) can rotate, and a water collecting tank (3) is arranged below the filter (2); the middle part of the filter (2) is inserted with a fixedly installed material distributing plate (4), and the material distributing plate (4) consists of a front fan-shaped plate (401) and a rear fan-shaped plate (401) which are symmetrically arranged and a flat plate (402) positioned between the two fan-shaped plates (401); a pipeline (5) is fixed on the lower end surface of the flat plate (402), and a plurality of water outlets (6) are formed in the pipeline (5); sewage enters the filter (2) through a water outlet (6) of the pipeline (5), and flows into the water collecting tank (3) after being filtered; sundries fall into the upper side of the flat plate (402) along with the rotation of the filter (2) and slide rightwards along the flat plate (402);
the filter plates (205) can move left and right along the track (204) and reset right, a push rod (7) is fixed on the right end face of each filter plate (205), and a first permanent magnet (8) is fixed on the right end of each push rod (7); an arc-shaped plate (9) positioned on the right side of the filter (2) is fixed on the shelf (1), and a plurality of second permanent magnets (10) are uniformly distributed on the arc-shaped plate (9); after the filter plate (205) rotates to the state that the first permanent magnet (8) corresponds to the second permanent magnet (10) along with the filter (2), the filter plate (205) is pushed leftwards;
the outer edge surface of the scraper (201) is contacted with the inner edge surface of the filter plate (205).
2. The sewage filtering device with the self-cleaning filter screen according to claim 1, wherein a plurality of circular rings (11) sleeved outside the filter (2) are fixed on the frame (1) through connecting rods, and rollers (12) corresponding to the circular rings (11) are mounted on the outer side surface of each track (204).
3. The self-cleaning sewage filtering device of the filter screen according to claim 1, wherein the left end face of each filter plate (205) is provided with an edge (13), a plurality of guide rods (14) corresponding to the edges (13) are fixedly installed on the left water-stop plate (203), the guide rods (14) penetrate through the edges (13), and the guide rods (14) are sleeved with pressure springs (15) positioned between the left ends of the guide rods (14) and the left side faces of the edges (13).
4. The filter screen self-cleaning sewage filtering device according to claim 1, wherein the filter (2) is sleeved with a gear at the middle, the inner edge surface of the gear is fixed at the outer side of the track (204) of the filter, a gap is reserved between the inner edge surface of the gear and the filter plate (205), and the frame (1) is fixed with a motor (16) for driving the gear to rotate.
5. The sewage filtering device with the self-cleaning filter screen according to claim 1, wherein a plurality of filtering holes are uniformly distributed on the filter plate (205), and the filter plate (205) is made of stainless steel.
6. The sewage filtering device with the self-cleaning filter screen according to claim 1, wherein the front end and the rear end of the material distributing plate (4) are arranged outside the filter (2), and the front end and the rear end of the material distributing plate (4) are fixed on the frame (1) through a plurality of pull rods.
7. The sewage filtering device with the self-cleaning filter screen as claimed in claim 1, wherein the arc-shaped plate (9) is positioned at the upper right side of the filter (2).
8. The sewage filtering device with the self-cleaning filter screen as claimed in claim 1, wherein the right end of the pipeline (5) is in a closed shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010480403.6A CN111450605B (en) | 2020-05-30 | 2020-05-30 | Self-cleaning sewage filtering device of filter screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010480403.6A CN111450605B (en) | 2020-05-30 | 2020-05-30 | Self-cleaning sewage filtering device of filter screen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111450605A CN111450605A (en) | 2020-07-28 |
| CN111450605B true CN111450605B (en) | 2022-01-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010480403.6A Active CN111450605B (en) | 2020-05-30 | 2020-05-30 | Self-cleaning sewage filtering device of filter screen |
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| CN (1) | CN111450605B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113599899B (en) * | 2021-09-17 | 2022-09-09 | 合肥市正捷智能科技有限公司 | Printing and dyeing sewage circulation treatment device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1443432A (en) * | 1972-12-21 | 1976-07-21 | Gec Diesels Ltd | Rotary drum filters |
| CN104083931A (en) * | 2014-07-31 | 2014-10-08 | 梁均全 | High-pressure filtering device for steel rolling sludge treatment |
| CN204689650U (en) * | 2015-04-22 | 2015-10-07 | 韩巧 | A kind of apparatus for treating sewage |
| CN206924499U (en) * | 2017-06-28 | 2018-01-26 | 山东益客智能机械设备有限公司 | Duck excrement solid-liquid separating dry space from moist space machine |
-
2020
- 2020-05-30 CN CN202010480403.6A patent/CN111450605B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1443432A (en) * | 1972-12-21 | 1976-07-21 | Gec Diesels Ltd | Rotary drum filters |
| CN104083931A (en) * | 2014-07-31 | 2014-10-08 | 梁均全 | High-pressure filtering device for steel rolling sludge treatment |
| CN204689650U (en) * | 2015-04-22 | 2015-10-07 | 韩巧 | A kind of apparatus for treating sewage |
| CN206924499U (en) * | 2017-06-28 | 2018-01-26 | 山东益客智能机械设备有限公司 | Duck excrement solid-liquid separating dry space from moist space machine |
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|---|---|
| CN111450605A (en) | 2020-07-28 |
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Effective date of registration: 20211230 Address after: 257000 east of Gangxi Second Road and north of Gangbei Second Road, dongyinggang Economic Development Zone, Dongying City, Shandong Province Applicant after: Dongying Weilian Chemical Co.,Ltd. Address before: 450000 Zhengzhou water conservancy building, No. 110, Yinghe Road, Zhongyuan District, Zhengzhou City, Henan Province Applicant before: He Yiliang |
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Effective date of registration: 20220111 Address after: 529000 No. 9, Fenghua 1st Road, Shuangshui Town, Xinhui District, Jiangmen City, Guangdong Province (main workshop) Applicant after: Guangdong Xiangyu Technology Co.,Ltd. Address before: 257000 east of Gangxi Second Road and north of Gangbei Second Road, dongyinggang Economic Development Zone, Dongying City, Shandong Province Applicant before: Dongying Weilian Chemical Co.,Ltd. |
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