CN112209527A - Rural sewage treatment device of improved generation - Google Patents
Rural sewage treatment device of improved generation Download PDFInfo
- Publication number
- CN112209527A CN112209527A CN202011066865.XA CN202011066865A CN112209527A CN 112209527 A CN112209527 A CN 112209527A CN 202011066865 A CN202011066865 A CN 202011066865A CN 112209527 A CN112209527 A CN 112209527A
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- China
- Prior art keywords
- filter screen
- box
- sliding block
- motor
- ball
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
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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
- C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B15/00—Cleaning or keeping clear the surface of open water; Apparatus therefor
- E02B15/04—Devices for cleaning or keeping clear the surface of open water from oil or like floating materials by separating or removing these materials
- E02B15/10—Devices for removing the material from the surface
-
- 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
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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
- C02F2303/00—Specific treatment goals
- C02F2303/04—Disinfection
Abstract
The invention discloses improved rural sewage treatment equipment which comprises a filter box, wherein a guide plate is symmetrically arranged on the inner walls of the left side and the right side in the filter box, a fishing device extending into the filter box is arranged above the guide plate and on the filter box, a filter mechanism is arranged below the guide plate and in the filter box, cleaning mechanisms for cleaning the filter mechanism are respectively arranged on the left side and the right side of the filter box, and the filter box is connected with a disinfection device through a pipeline. The invention has the advantages of convenient cleaning, difficult blockage and sufficient disinfection.
Description
Technical Field
The invention relates to the technical field of sewage treatment, in particular to improved rural sewage treatment equipment.
Background
Sewage treatment: the sewage is purified to reach the water quality requirement of being discharged into a certain water body or being reused. Sewage treatment is widely applied to various fields such as buildings, agriculture, traffic, energy, petrifaction, environmental protection, urban landscape, medical treatment, catering and the like, and is increasingly used in daily life of common people. Therefore, people have an increasing demand for sewage treatment equipment.
Because rural sewage has a large amount of rubbish, easily causes the jam to filter equipment, consequently, to above present situation, urgent need develop a clearance convenient, the difficult improved generation rural sewage treatment device who blocks up to overcome not enough in the current practical application, satisfy current demand.
Disclosure of Invention
The invention aims to provide improved rural sewage treatment equipment to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a rural sewage treatment device of improved generation, includes the rose box, a guide plate is installed to the symmetry on the inside left and right sides inner wall of rose box, the top of guide plate is installed on the rose box and is extended to its inside fishing device, the below of guide plate is installed filtering mechanism in the rose box, a clearance mechanism that is used for clearing up filtering mechanism is installed respectively to the left and right sides of rose box, the rose box passes through the pipeline and links to each other with degassing unit.
As a further scheme of the invention: the fishing device includes: the fishing device comprises a first motor, a transmission rod, a rotary disc, a first fishing box and a second fishing box, wherein an output shaft of the first motor is connected with the transmission rod through a coupler, the bottom of the transmission rod is connected with the rotary disc, the second fishing box is installed under the rotary disc, a plurality of first fishing boxes are uniformly distributed on the rotary disc outside the second fishing box, and the first fishing boxes are located on the upper side of the second fishing box.
As a further scheme of the invention: the filter mechanism includes: the garbage filter comprises a second motor, a first ball screw, a first sliding block, a second sliding block, a first filter screen, a second filter screen, a garbage net cage, a movable block, a pin shaft, a roller, a spring and an installation shell, wherein the second motor is installed at the bottom of the filter box, an output shaft of the second motor is connected with the first ball screw through a coupling, the first sliding block and the second sliding block are installed on the first ball screw, the first sliding block is positioned below the second sliding block, the garbage net cages are respectively installed on the left side and the right side of the first sliding block, the garbage net cages positioned on the left side and the right side of the first sliding block are respectively connected with the first filter screen, the garbage net cages positioned on the left side and the right side of the second sliding block are respectively connected with the second filter screen, the end parts of the first filter screen and the second filter screen are respectively rotatably connected with the movable block through the pin shaft, and the movable block is elastically connected with the, the upside both sides of movable block pass through gyro wheel and installation shell roll connection, the installation shell links to each other with the inner wall of rose box.
As a further scheme of the invention: the filter mesh of the second filter screen is larger than that of the first filter screen.
As a further scheme of the invention: the clearance mechanism includes: third motor, second ball, third slider, scraper blade, synchronizing wheel and hold-in range, the quantity of second ball is two, two second ball rotates with the rose box respectively and is connected, two install a synchronizing wheel on the second ball respectively, two the synchronizing wheel passes through the hold-in range and rotates the connection, two install a third slider respectively on the second ball, two go up and install a scraper blade respectively, the third motor is installed in the outside of rose box, the output shaft of third motor passes through the shaft coupling and links to each other with second ball.
As a further scheme of the invention: the sterilizing device includes: the high-pressure air source is installed at the top of the sterilizing box, the shunt tubes are installed in the sterilizing box and are connected with the high-pressure air source, a plurality of exhaust pipes are arranged below the shunt tubes, and a plurality of exhaust holes are formed in the exhaust pipes.
As a further scheme of the invention: the included angle between the guide plate and the horizontal direction is 15 degrees.
Compared with the prior art, the invention has the beneficial effects that: when the improved rural sewage treatment equipment is used, sewage is added from a water inlet, the transmission rod and the rotary table are driven to rotate by the first motor, the second salvaging box and the first salvaging box are driven to rotate by the rotary table, floating garbage in the sewage is salvaged by the second salvaging box and the first salvaging box, after the sewage enters the filtering mechanism, double filtering is carried out by the first filter screen and the second filter screen, the first filter screen and the second filter screen are in an inclined state when the sewage is filtered, so that the garbage on the first filter screen and the second filter screen can slide into the garbage net cage, after filtering is finished, the sewage enters the sterilizing box, sterilizing gas is conveyed into the exhaust pipe by a high-pressure gas source and then is discharged by the plurality of exhaust holes, so that the sewage and the sterilizing gas are mixed more fully and sterilized more thoroughly; after the device used for a period of time, can drive first ball through the second motor and rotate, rotate through first ball and drive first slider and second slider removal, drive first filter screen and the swing of second filter screen to the horizontality respectively through first slider and second slider, restart the third motor, it rotates to drive second ball through the third motor, it removes to drive third slider and scraper blade to rotate through second ball, clear up the rubbish on first filter screen and the second filter screen through the scraper blade, be favorable to preventing to block up. In conclusion, the invention has the advantages of convenient cleaning, difficult blockage and sufficient disinfection.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic diagram of the flip state of the present invention.
Fig. 3 is a partial view at a of fig. 2 of the present invention.
Fig. 4 is a schematic perspective view of the fishing device of the present invention.
In the figure: 1-filter box, 101-water inlet, 102-support leg, 2-fishing device, 201-first motor, 202-transmission rod, 203-rotary disk, 204-first fishing box, 205-second fishing box, 3-guide plate, 4-filter mechanism, 401-second motor, 402-first ball screw, 403-first slide block, 404-second slide block, 405-first filter screen, 406-second filter screen, 407-garbage net cage, 408-movable block, 409-pin, 410-roller, 411-spring, 412-mounting shell, 5-cleaning mechanism, 501-third motor, 502-second ball screw, 503-third slide block, 504-scraper, 505-synchronous wheel, 506-synchronous belt, 6-pipeline, 7-disinfection device, 701-disinfection box, 702-high pressure gas source, 703-shunt tube, 704-exhaust tube and 705-exhaust hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1 to 4, in the embodiment of the present invention, an improved rural sewage treatment apparatus includes a filter box 1, a water inlet 101 is formed in a top portion of a left side of the filter box 1, a plurality of support legs 102 are installed at a bottom portion of the filter box 1, a guide plate 3 is symmetrically installed on inner walls of left and right sides of the inside of the filter box 1, an included angle between the guide plate 3 and a horizontal direction is 15 °, a fishing device 2 extending into the guide plate 3 is installed on the filter box 1 above the guide plate, and the fishing device 2 includes: the automatic fishing device comprises a first motor 201, a transmission rod 202, a rotary disc 203, a first fishing box 204 and a second fishing box 205, wherein an output shaft of the first motor 201 is connected with the transmission rod 202 through a coupler, the bottom of the transmission rod 202 is connected with the rotary disc 203, the second fishing box 205 is installed under the rotary disc 203, a plurality of first fishing boxes 204 are uniformly distributed on the rotary disc 203 on the outer side of the second fishing box 205, the first fishing box 204 is located on the upper side of the second fishing box 205, a filtering mechanism 4 is installed in a filtering box 1 below a guide plate 3, and the filtering mechanism 4 comprises: the garbage truck filter comprises a second motor 401, a first ball screw 402, a first sliding block 403, a second sliding block 404, a first filter screen 405, a second filter screen 406, a garbage net cage 407, a movable block 408, a pin 409, a roller 410, a spring 411 and a mounting shell 412, wherein the second motor 401 is mounted at the bottom of the filter box 1, an output shaft of the second motor 401 is connected with the first ball screw 402 through a coupler, the first ball screw 402 is provided with the first sliding block 403 and the second sliding block 404, the first sliding block 403 is positioned below the second sliding block 404, the left side and the right side of the first sliding block 403 and the second sliding block 404 are respectively provided with the garbage net cage 407, the garbage net cages 407 positioned at the left side and the right side of the first sliding block 403 are respectively connected with the first filter screen 405, the garbage net cages 407 positioned at the left side and the right side of the second sliding block 404 are respectively connected with the second filter screen 406, and the end parts of the first filter screen 405 and the second filter screen 406 are respectively connected with, the inner wall elastic connection of movable block 408 through spring 411 and rose box 1, the upside both sides of movable block 408 are through gyro wheel 410 and installation shell 412 roll connection, installation shell 412 links to each other with the inner wall of rose box 1, a clearance mechanism 5 that is used for clearing up filter mechanism 4 is installed respectively to the left and right sides of rose box 1, clearance mechanism 5 includes: third motor 501, second ball 502, third slider 503, scraper 504, synchronizing wheel 505 and hold-in range 506, the quantity of second ball 502 is two, two second ball 502 rotates with rose box 1 respectively to be connected, two install a synchronizing wheel 505 on the second ball 502 respectively, two synchronizing wheel 505 rotates through hold-in range 506 to be connected, two install a third slider 503, two on the second ball 502 respectively install a scraper 504 on, third motor 501 installs in the outside of rose box 1, the output shaft of third motor 501 passes through the shaft coupling and links to each other with second ball 502, rose box 1 passes through pipeline 6 and links to each other with degassing unit 7, degassing unit 7 includes: the disinfection box comprises a disinfection box 701, a high-pressure air source 702, a shunt pipe 703, an exhaust pipe 704 and an exhaust hole 705, wherein a water outlet is formed in the bottom of the disinfection box 701, the high-pressure air source 702 is installed at the top of the disinfection box 701, a switch is arranged on the high-pressure air source 702, the shunt pipe 703 is installed in the disinfection box 701, the shunt pipe 703 is connected with the high-pressure air source 702, a plurality of exhaust pipes 704 are arranged below the shunt pipe 703, and a plurality of exhaust holes 705 are formed in the exhaust pipes 704. When the device is used, sewage is added from the water inlet 101, the driving rod 202 and the rotary disc 203 are driven to rotate by the first motor 201, the second fishing box 205 and the first fishing box 204 are driven to rotate by the rotary disc 203, the garbage floating in the sewage is fished by the second fishing box 205 and the first fishing box 204, the sewage enters the filtering mechanism 4 and then is subjected to double filtering by the first filter screen 405 and the second filter screen 406, the first filter screen 405 and the second filter screen 406 are in an inclined state during sewage filtering, so that the garbage on the first filter screen 405 and the second filter screen 406 can slide into the garbage net box 407, after filtering is finished, the sewage enters the sterilizing box 701, the sterilizing gas is conveyed into the exhaust pipe 704 by the high-pressure gas source 702 and then is exhausted by the plurality of exhaust holes 705, so that the sewage and the sterilizing gas are mixed more fully and the sterilizing is more thorough; after the device uses a period of time, can drive first ball 402 through second motor 401 and rotate, rotate through first ball 402 and drive first slider 403 and second slider 404 removal, drive first filter screen 405 and the swing of second filter screen 406 to the horizontality respectively through first slider 403 and second slider 404, restart third motor 501, drive second ball 502 through third motor 501 and rotate, rotate through second ball 502 and drive third slider 503 and scraper blade 504 and remove, clear up the rubbish on first filter screen 405 and the second filter screen 406 through scraper blade 504, be favorable to preventing blocking.
Example 2
Referring to fig. 1-2, in the embodiment of the present invention, the filter mesh of the second filter 406 is larger than the filter mesh of the first filter 405.
When the improved rural sewage treatment equipment is used, sewage is added from a water inlet 101, a transmission rod 202 and a rotary disc 203 are driven to rotate by a first motor 201, a second fishing box 205 and a first fishing box 204 are driven to rotate by the rotation of the rotary disc 203, garbage floating in the sewage is fished by the second fishing box 205 and the first fishing box 204, the sewage enters a filtering mechanism 4 and then is subjected to double filtering by a first filter screen 405 and a second filter screen 406, the first filter screen 405 and the second filter screen 406 are in an inclined state during sewage filtering, so that the garbage on the first filter screen 405 and the second filter screen 406 can slide into a garbage net box 407, after the filtering is finished, the sewage enters a disinfection box 701, disinfection gas is conveyed into an exhaust pipe 704 by a high-pressure gas source 702 and then is exhausted by a plurality of exhaust holes 705, so that the sewage and the disinfection gas are mixed more fully, the disinfection is more thorough; after the device uses a period of time, can drive first ball 402 through second motor 401 and rotate, rotate through first ball 402 and drive first slider 403 and second slider 404 removal, drive first filter screen 405 and the swing of second filter screen 406 to the horizontality respectively through first slider 403 and second slider 404, restart third motor 501, drive second ball 502 through third motor 501 and rotate, rotate through second ball 502 and drive third slider 503 and scraper blade 504 and remove, clear up the rubbish on first filter screen 405 and the second filter screen 406 through scraper blade 504, be favorable to preventing blocking.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (7)
1. The utility model provides a rural sewage treatment device of improved generation, includes rose box (1), its characterized in that, a guide plate (3) is installed to the symmetry on the inside left and right sides inner wall of rose box (1), install fishing device (2) that extend to its inside on rose box (1) in the top of guide plate (3), filtering mechanism (4) are installed in rose box (1) in the below of guide plate (3), a clearance mechanism (5) that are used for clearing up filtering mechanism (4) are installed respectively to the left and right sides of rose box (1), rose box (1) links to each other with degassing unit (7) through pipeline (6).
2. The improved rural sewage treatment plant according to claim 1, wherein the fishing device (2) comprises: first motor (201), transfer line (202), carousel (203), first fishing case (204) and second fishing case (205), the output shaft of first motor (201) passes through the shaft coupling and links to each other with transfer line (202), the bottom and carousel (203) of transfer line (202) link to each other, second fishing case (205) are installed to the carousel (203) under, the outside of second fishing case (205) is equipped with a plurality of first fishing cases (204) on carousel (203) equipartition, the upside that is located second fishing case (205) of first fishing case (204).
3. The improved rural sewage treatment plant according to claim 1, wherein the filtering mechanism (4) comprises: the garbage filter comprises a second motor (401), a first ball screw (402), a first sliding block (403), a second sliding block (404), a first filter screen (405), a second filter screen (406), a garbage net box (407), a movable block (408), a pin shaft (409), a roller (410), a spring (411) and an installation shell (412), wherein the second motor (401) is installed at the bottom of the filter box (1), an output shaft of the second motor (401) is connected with the first ball screw (402) through a coupler, the first ball screw (402) is provided with the first sliding block (403) and the second sliding block (404), the first sliding block (403) is positioned below the second sliding block (404), the left side and the right side of the first sliding block (403) and the second sliding block (404) are respectively provided with the garbage net box (407), the garbage net boxes (407) positioned at the left side and the right side of the first sliding block (403) are respectively connected with the first filter screen (405), the garbage net boxes (407) positioned at the left side and the right side of the second sliding block (404) are respectively connected with a second filter screen (406), the end parts of the first filter screen (405) and the second filter screen (406) are respectively connected with the movable block (408) in a rotating mode through a pin shaft (409), the movable block (408) is connected with the inner wall of the filter box (1) through a spring (411) in an elastic mode, the two sides of the upper side of the movable block (408) are connected with the installation shell (412) in a rolling mode through rollers (410), and the installation shell (412) is connected with the inner wall of the filter box (1).
4. The improved rural sewage treatment equipment according to claim 3, wherein the filter mesh of the second filter screen (406) is larger than the filter mesh of the first filter screen (405).
5. The improved rural sewage treatment plant according to claim 1, wherein the cleaning mechanism (5) comprises: third motor (501), second ball (502), third slider (503), scraper blade (504), synchronizing wheel (505) and hold-in range (506), the quantity of second ball (502) is two, two second ball (502) rotate with rose box (1) respectively and are connected, two install a synchronizing wheel (505) on second ball (502) respectively, two synchronizing wheel (505) rotate through hold-in range (506) and connect, two install a third slider (503) on second ball (502) respectively, two go up and install a scraper blade (504) respectively, the outside in rose box (1) is installed in third motor (501), the output shaft of third motor (501) passes through the shaft coupling and links to each other with second ball (502).
6. The improved rural sewage treatment plant according to claim 1, wherein the disinfection device (7) comprises: disinfection case (701), high pressurized air source (702), shunt tubes (703), blast pipe (704) and exhaust hole (705), high pressurized air source (702) are installed at the top of disinfection case (701), install shunt tubes (703) in disinfection case (701), shunt tubes (703) link to each other with high pressurized air source (702), the below of shunt tubes (703) is provided with a plurality of blast pipes (704), a plurality of exhaust holes (705) have been seted up on blast pipe (704).
7. The improved rural sewage treatment plant according to any of claims 1-3, wherein the angle between the deflector (3) and the horizontal direction is 15 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011066865.XA CN112209527B (en) | 2020-10-03 | 2020-10-03 | Rural sewage treatment device of improved generation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011066865.XA CN112209527B (en) | 2020-10-03 | 2020-10-03 | Rural sewage treatment device of improved generation |
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| Publication Number | Publication Date |
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| CN112209527A true CN112209527A (en) | 2021-01-12 |
| CN112209527B CN112209527B (en) | 2021-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011066865.XA Active CN112209527B (en) | 2020-10-03 | 2020-10-03 | Rural sewage treatment device of improved generation |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB780365A (en) * | 1954-11-09 | 1957-07-31 | Knecht Alfred | A method and apparatus for winding the formers of slot filters |
| DE3516341A1 (en) * | 1985-05-07 | 1986-11-13 | Johann Dr. Hinterberger | Layer filter apparatus for clarification and disinfection of liquids (for example contaminated water) and alternatively for testing filter combinations (for example made of depth filters and screen filters) for defined applications |
| CN203904163U (en) * | 2014-07-01 | 2014-10-29 | 杨曦 | Ship sewage disposal equipment |
| CN106630384A (en) * | 2016-11-11 | 2017-05-10 | 浙江同济科技职业学院 | Water treatment system and treatment method applied to urban lake |
| CN108726726A (en) * | 2018-06-05 | 2018-11-02 | 段建锋 | A kind of sewage-treatment plant |
| CN108767708A (en) * | 2018-07-13 | 2018-11-06 | 高邮市电塑厂 | A kind of power distribution cabinet convenient for heat dissipation and dedusting |
| CN208406231U (en) * | 2018-05-31 | 2019-01-22 | 陈宇飏 | A kind of precipitating filter device for flocculant |
| CN208465292U (en) * | 2018-06-30 | 2019-02-05 | 深圳市中金环保科技有限公司 | A kind of belt vacuum filter blanking device |
| CN111606459A (en) * | 2020-07-01 | 2020-09-01 | 浙江巨丰管业有限公司 | Central water distribution device for sewage treatment |
-
2020
- 2020-10-03 CN CN202011066865.XA patent/CN112209527B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB780365A (en) * | 1954-11-09 | 1957-07-31 | Knecht Alfred | A method and apparatus for winding the formers of slot filters |
| DE3516341A1 (en) * | 1985-05-07 | 1986-11-13 | Johann Dr. Hinterberger | Layer filter apparatus for clarification and disinfection of liquids (for example contaminated water) and alternatively for testing filter combinations (for example made of depth filters and screen filters) for defined applications |
| CN203904163U (en) * | 2014-07-01 | 2014-10-29 | 杨曦 | Ship sewage disposal equipment |
| CN106630384A (en) * | 2016-11-11 | 2017-05-10 | 浙江同济科技职业学院 | Water treatment system and treatment method applied to urban lake |
| CN208406231U (en) * | 2018-05-31 | 2019-01-22 | 陈宇飏 | A kind of precipitating filter device for flocculant |
| CN108726726A (en) * | 2018-06-05 | 2018-11-02 | 段建锋 | A kind of sewage-treatment plant |
| CN208465292U (en) * | 2018-06-30 | 2019-02-05 | 深圳市中金环保科技有限公司 | A kind of belt vacuum filter blanking device |
| CN108767708A (en) * | 2018-07-13 | 2018-11-06 | 高邮市电塑厂 | A kind of power distribution cabinet convenient for heat dissipation and dedusting |
| CN111606459A (en) * | 2020-07-01 | 2020-09-01 | 浙江巨丰管业有限公司 | Central water distribution device for sewage treatment |
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| CN112209527B (en) | 2021-08-17 |
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Effective date of registration: 20210730 Address after: 276800 Shanhai Road South, Donggang District, Rizhao City, Shandong Province, Beijing Qingda Huachuang (Rizhao) Applicant after: RIZHAO GERUN ENVIRONMENTAL ENGINEERING Co.,Ltd. Address before: Floor 3, Wanzhong living village, Longhua New District, Shenzhen City, Guangdong Province 518000 Applicant before: Tan Jin |
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