CN111646586A - Sewage discharge device for sewage treatment - Google Patents

Sewage discharge device for sewage treatment Download PDF

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Publication number
CN111646586A
CN111646586A CN202010516570.1A CN202010516570A CN111646586A CN 111646586 A CN111646586 A CN 111646586A CN 202010516570 A CN202010516570 A CN 202010516570A CN 111646586 A CN111646586 A CN 111646586A
Authority
CN
China
Prior art keywords
wall
sewage
filter element
filter
fixedly connected
Prior art date
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.)
Withdrawn
Application number
CN202010516570.1A
Other languages
Chinese (zh)
Inventor
罗海涛
汪亮亮
陈政鹰
袁远健
徐松
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zunyi Chaoyu Boiler Co ltd
Original Assignee
Zunyi Chaoyu Boiler Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Zunyi Chaoyu Boiler Co ltd filed Critical Zunyi Chaoyu Boiler Co ltd
Priority to CN202010516570.1A priority Critical patent/CN111646586A/en
Publication of CN111646586A publication Critical patent/CN111646586A/en
Withdrawn legal-status Critical Current

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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/001Processes for the treatment of water whereby the filtration technique is of importance
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D29/00Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/11Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
    • B01D29/117Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements arranged for outward flow filtration
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D29/00Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/50Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
    • B01D29/56Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection
    • B01D29/58Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection arranged concentrically or coaxially
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D29/00Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/62Regenerating the filter material in the filter
    • B01D29/64Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element
    • B01D29/6407Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element brushes
    • B01D29/6415Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element brushes with a rotary movement with respect to the filtering element
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/28Treatment of water, waste water, or sewage by sorption
    • C02F1/283Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Filtration Of Liquid (AREA)

Abstract

The invention discloses a sewage discharge device for sewage treatment, which comprises a sewage discharge filter pipe, wherein the outer wall of the end part of the sewage discharge filter pipe is fixedly connected with a flange plate, the inner wall of the flange plate is fixedly connected with a liquid distribution disc, the outer wall of the bottom end of the flange plate is vertically connected with a sewage inlet pipe, the middle part of the inner wall of the sewage discharge filter pipe is fixedly connected with a partition plate, the inner wall of the partition plate is clamped with a sealing ring, a filter element is arranged between the sealing ring and the flange plate on the inner wall of the sewage discharge filter pipe, and an odor removal filter element is arranged inside the other side. According to the invention, solid and liquid are separated by using the concentric filtering element, the filtering element is blocked by impurities to generate water pressure difference on two sides, the hairbrush is started to clean the wall of the filtering machine, the hairbrush and the filtering element are of concentric circle structures, wastewater can be synchronously filtered in multiple layers, the inner wall and the outer wall of the filtering element can be more uniformly discharged and filtered, impurities are uniformly attached, and the hairbrush is subsequently used for cleaning the wastewater, so that the impurities cannot be accumulated in the inner part to influence the cleaning effect.

Description

Sewage discharge device for sewage treatment
Technical Field
The invention relates to the technical field of sewage treatment equipment, in particular to a sewage discharge device for sewage treatment.
Background
At present, a steam boiler is widely applied to the field of petrochemical industry, steam generated by the steam boiler circulates in a station to heat various containers and equipment and then returns to the boiler, the steam with condensed water after being recycled often contains a lot of impurities such as rust, silt, scale and the like, the impurities of a boiler steam system without a return water purification and pollution discharge device continuously circulate in the system, water in the boiler must be completely discharged to a certain degree, and the cleaning difficulty is high.
The utility model discloses a take filter screen spoiler boiler return water purification waste fitting discharging that license publication number is CN209840063U, including cylindric waste fitting discharging body, waste fitting discharging body top cover that cup joints, the radial rigid coupling spoiler A of upper cover internal surface, spoiler A is located waste fitting discharging body inside, and waste fitting discharging body is internal to correspond to set up import and export.
When the existing boiler sewage is discharged, the blockage is caused by improper filtering treatment, the filtering treatment is carried out through simple equipment such as a filtering screen plate, the screen plate needs to be replaced periodically, the period is short, the sewage treatment cannot be carried out well, and the engineering is influenced.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a sewage disposal device for sewage treatment.
In order to achieve the purpose, the invention adopts the following technical scheme:
a sewage discharge device for sewage treatment comprises a sewage discharge filter pipe, wherein a flange plate is fixedly connected to the outer wall of the end part of the sewage discharge filter pipe, a liquid separating plate is fixedly connected to the inner wall of the flange plate, a sewage inlet pipe is vertically connected to the outer wall of the bottom end of the flange plate, a partition plate is fixedly connected to the middle part of the inner wall of the sewage discharge filter pipe, a sealing ring is clamped on the inner wall of the partition plate, a filter element is arranged between the sealing ring and the flange plate on the inner wall of the sewage discharge filter pipe, a deodorizing filter element is arranged inside the other side of the inner wall of the sewage discharge filter pipe, a water outlet pipe is fixedly connected to the outer wall of one side of the sewage discharge filter pipe, which is close to the deodorizing filter element, a speed reducer and a driving motor are fixedly connected to the outer wall of the end part, the outer wall sliding connection of brush subassembly is on filtering the inner wall of filter core, blowdown filter tube is close to one side outer wall fixedly connected with branch pipe of filtering the filter core, and the tip outer wall of branch pipe is connected with the blowoff valve to pressing from both sides, filter the filter core and be concentric circle structure, the inner wall of branch liquid dish is equipped with the splitter box with axle center parallel distribution, and divides the liquid dish to pass through the splitter box and filter the filter core looks joint, the inner wall of the splitter box of branch liquid dish is equipped with annular spoiler, and the inside middle part of annular spoiler is equipped with the butterfly valve to pressing from both sides.
As a further scheme of the invention, one end of the liquid separating disc is provided with a threaded sleeve, the outer wall of the other end of the liquid separating disc is provided with a connecting seat, the outer wall of the connecting seat is connected with the end part of the sewage inlet pipe, and the liquid separating disc is connected with the flange disc through the threaded sleeve.
In a further aspect of the present invention, a water pressure pipe is fixedly connected to both outer walls of the sewage filter pipe located on both sides of the seal ring, and a differential pressure controller is connected between both ends of the water pressure pipe.
As a further scheme of the invention, the brush assembly comprises a brush frame and a cylindrical brush, the cylindrical brush is parallelly and concentrically distributed on the outer wall of the end part of the brush frame, and the central axis of the end part of the brush frame is fixedly connected to the outer wall of the connecting rod.
As a further scheme of the invention, the outer wall of one end of the sewage discharge filter pipe close to the odor removal filter element is provided with a through hole, and the inner wall of the through hole is connected with an end cover through threads.
As a further scheme of the invention, the driving motor and the speed reducer are both connected with a switch, and the switch is connected with the differential pressure controller through a lead.
As a further scheme of the invention, the filter also comprises a push rod motor, an inner filter element and an exchange filter element, wherein the inner filter element and the exchange filter element are in parallel sliding connection, and the output end of the push rod motor is connected with the end part of the inner filter element.
As a further scheme of the invention, a barrel wall brush is arranged on the outer wall of the joint of the inner filter element and the exchange filter element, and the outer wall of the barrel wall brush is connected to the inner wall of the exchange filter element in a sliding manner.
The invention has the beneficial effects that:
1. the sewage discharge device for sewage treatment is an automatic filter, sewage enters a concentric filtering filter element after entering the automatic filter, solid-liquid separation is carried out, the wall of a filter is cleaned by a hairbrush by utilizing the water pressure difference at two sides generated by the blockage of the filtering filter element by impurities, the cleanliness of the integral sewage discharge filter element is improved, and the service life of integral sewage discharge equipment is prolonged;
2. the brush and the filter element in the sewage discharge device for sewage treatment are of concentric circle structures, waste water can be synchronously filtered in multiple layers, the filtering efficiency is improved, the inner wall and the outer wall of the filter element can be more uniformly discharged and filtered, impurities are uniformly attached, and when the filter element is subsequently cleaned by the brush, the impurities cannot be more accumulated in the inner part to influence the cleaning effect;
3. the tail section of the sewage discharge device for sewage treatment is provided with an active carbon structure for absorbing odor and removing partial colored substances, so that the cleanliness of discharged water is improved, and water after sewage discharge treatment can be recycled, so that the whole equipment resource is recycled.
Drawings
Fig. 1 is a schematic perspective view of a sewage disposal apparatus according to an embodiment 1 of the present invention;
FIG. 2 is a schematic side view, cross-sectional view, illustrating a drainage filter tube of an embodiment 1 of a drainage apparatus for sewage treatment according to the present invention;
FIG. 3 is a schematic sectional view of a liquid-separating plate of an embodiment 1 of a sewage disposal apparatus for sewage disposal according to the present invention;
fig. 4 is a schematic perspective view of a sewage discharging apparatus for sewage treatment according to embodiment 2 of the present invention.
In the figure: 1 blowdown filter tube, 2 sealing washers, 3 blowoff valves, 4 filtration filter cores, 5 brush subassemblies, 6 connecting rods, 7 speed reducers, 8 driving motors, 9 liquid separating discs, 10 flange plates, 11 sewage inlet pipes, 12 differential pressure controllers, 13 water outlet pipes, 14 odor removal filter cores, 15 end covers, 16 brush racks, 17 splitter boxes, 18 butterfly valves, 19 thread bushes, 20 connecting seats, 21 push rod motors, 22 internal filter cores and 23 exchange filter cores.
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.
Example 1
Referring to fig. 1-3, a sewage discharging device for sewage treatment comprises a sewage discharging filter pipe 1, wherein the outer wall of the end part of the sewage discharging filter pipe 1 is fixedly connected with a flange plate 10, the inner wall of the flange plate 10 is fixedly connected with a liquid separating plate 9, the outer wall of the bottom end of the flange plate 10 is vertically connected with a sewage inlet pipe 11, the middle part of the inner wall of the sewage discharging filter pipe 1 is fixedly connected with a partition plate, the inner wall of the partition plate is clamped with a sealing ring 2, a filtering filter element 4 is arranged between the sealing ring 2 and the flange plate 10 on the inner wall of the sewage discharging filter pipe 1, a deodorizing filter element 14 is arranged inside the other side of the inner wall of the sewage discharging filter pipe 1, the outer wall of one side of the sewage discharging filter pipe 1 close to the deodorizing filter element 14 is fixedly connected with a water outlet pipe 13, the outer wall of the end, and the outer wall of the connecting rod 6 is fixedly connected with a brush component 5, the outer wall of the brush component 5 is slidably connected on the inner wall of the filter element 4, the outer wall of one side of the sewage filter pipe 1 close to the filter element 4 is fixedly connected with a branch pipe, the outer wall of the end part of the branch pipe is connected with a sewage valve in a butt-clamping manner, the filter element 4 is of a concentric circle structure, the inner wall of the liquid distribution disc 9 is provided with a splitter box 17 which is coaxially and parallelly distributed, the liquid distribution disc 9 is clamped with the filter element 4 through the splitter box 17, the inner wall of the splitter box 17 of the liquid distribution disc 9 is provided with an annular spoiler, the middle part of the inside of the annular spoiler is provided with a butterfly valve 18 in a butt-clamping manner, one end of the liquid distribution disc 9 is provided with a threaded sleeve 19, the outer wall of the other end of the liquid distribution disc 9 is provided with a connecting seat 20, the outer wall of the connecting seat 20 is connected with the end part of the sewage, and be connected with pressure difference controller 12 between the both ends water pressure pipe, brush subassembly 5 includes brush frame 16 and cartridge type brush, and the parallel concentric distribution of cartridge type brush is on the tip outer wall of brush frame 16, the tip axis fixed connection of brush frame 16 is on the outer wall of connecting rod 6, the one end outer wall that blowdown filter tube 1 is close to and removes flavor filter core 14 is equipped with the through-hole, and the inner wall of through-hole has end cover 15 through threaded connection, driving motor 8 and speed reducer 7 all are connected with the switch, and the switch is connected through wire and pressure difference controller 12.
The working principle of the embodiment is as follows: when this waste fitting discharging that sewage treatment used, intake through sewage inlet tube 11, utilize inside splitter box 17 to divide into it multistrand waste water and pass through butterfly valve 18, get into in the 4 intermediate layers of filter core of different layers, utilize the filter core to filter, realize solid-liquid separation, impurity is continuous to be piled up on the filter core inner wall, when pressure difference controller 12 experiences great water pressure difference, stop to intake and start driving motor 8 simultaneously and drive brush subassembly 5 and rotate, obtain impurity clearance to blowoff valve 3 on the filter core wall, intake again outside the equipment of rushing out, close blowoff valve 3 and continue to realize filtering, moisture gets into and removes flavor filter core 14 secondary filtration of distinguishing after filtering, discharge through outlet pipe 13 at last, but cyclic utilization to on the production facility that produces sewage, reach resource recovery and utilize.
Example 2
Referring to fig. 4, a sewage draining apparatus for sewage treatment, the embodiment is different from embodiment 1 mainly in that the apparatus further includes a push rod motor 21, an inner filter 22 and an exchange filter 23, the inner filter 22 and the exchange filter 23 are connected in parallel and slidably, an output end of the push rod motor 21 is connected to an end of the inner filter 22, a cylindrical wall brush is disposed on an outer wall of a connection portion between the inner filter 22 and the exchange filter 23, and an outer wall of the cylindrical wall brush is slidably connected to an inner wall of the exchange filter 23.
The working principle of the embodiment is as follows: based on embodiment 1, the concentric circle structure is replaced by an upper sliding cylinder structure and a lower sliding cylinder structure, when the brush rolls to discharge sewage, water inflow needs to be stopped, sewage is discharged and then treated, the existing inner filter element 22 and the exchange filter element 23 are sleeved with each other, layer-by-layer filtration is realized through exchange, the sewage and solid-liquid separation process is dynamically treated, water injection does not need to be stopped, and the overall sewage treatment efficiency is improved.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (8)

1. The utility model provides a waste fitting discharging that sewage treatment used, includes blowdown filter tube (1), its characterized in that, the tip outer wall fixedly connected with ring flange (10) of blowdown filter tube (1), and the inner wall fixedly connected with of ring flange (10) divides liquid dish (9), the bottom outer wall of ring flange (10) is connected with sewage inlet tube (11) perpendicularly, the inner wall middle part fixedly connected with baffle of blowdown filter tube (1), and the inner wall joint of baffle has sealing washer (2), the inner wall of blowdown filter tube (1) is located and is equipped with filtering core (4) between sealing washer (2) and ring flange (10), and just inside the inner wall opposite side of blowdown filter tube (1) is equipped with removes flavor filter core (14), one side outer wall fixedly connected with outlet pipe (13) that blowdown filter tube (1) is close to removing flavor filter core (14), the tip outer wall fixedly connected with speed reducer (7) and driving motor (8) of ring flange (10), and the output shaft of the driving motor (8) is connected with the inner wall of the input end of the speed reducer (7), the output shaft of the speed reducer (7) is connected with the connecting rod (6), and the outer wall of the connecting rod (6) is fixedly connected with a brush component (5), the outer wall of the brush component (5) is connected on the inner wall of the filtering filter element (4) in a sliding way, the outer wall of one side of the sewage discharge filter pipe (1) close to the filter element (4) is fixedly connected with a branch pipe, and the outer wall of the end part of the branch pipe is connected with a blow-down valve in a clamping way, the filter element (4) is in a concentric circle structure, the inner wall of the liquid separating disc (9) is provided with a flow dividing groove (17) which is coaxially and parallelly distributed, and the liquid separating disc (9) is clamped with the filtering filter element (4) through the flow dividing groove (17), the inner wall of a splitter box (17) of the liquid separating disc (9) is provided with an annular spoiler, and the middle part inside the annular spoiler is provided with a butterfly valve (18) in a butt clamping manner.
2. A sewage draining device for sewage treatment according to claim 1, wherein one end of the liquid separating disc (9) is provided with a threaded sleeve (19), and the outer wall of the other end of the liquid separating disc (9) is provided with a connecting seat (20), the outer wall of the connecting seat (20) is connected with the end of the sewage inlet pipe (11), and the liquid separating disc (9) is connected with the flange disc (10) through the threaded sleeve (19).
3. A sewage draining device for sewage treatment according to claim 1, wherein the outer walls of the sewage draining filter pipe (1) at both sides of the sealing ring (2) are both fixedly connected with water pressure pipes, and a pressure difference controller (12) is connected between the two water pressure pipes.
4. A sewage draining device for sewage treatment as claimed in claim 1, wherein said brush assembly (5) comprises a brush holder (16) and a barrel-type brush, and the barrel-type brush is concentrically arranged on the outer wall of the end portion of the brush holder (16), and the central axis of the end portion of said brush holder (16) is fixedly connected to the outer wall of the connecting rod (6).
5. A sewage draining device for sewage treatment as claimed in claim 1, wherein the outer wall of one end of said sewage draining filter tube (1) close to the filter core (14) for removing odor is provided with a through hole, and the inner wall of the through hole is connected with an end cap (15) by screw thread.
6. The sewage draining device for sewage treatment as claimed in claim 1, wherein the driving motor (8) and the speed reducer (7) are both connected with a switch, and the switch is connected with the pressure difference controller (12) through a lead.
7. A waste disposal device for sewage treatment as claimed in claim 1 further comprising a push rod motor (21), an inner filter element (22) and an exchange filter element (23), wherein the inner filter element (22) and the exchange filter element (23) are slidably connected in parallel, and the output end of the push rod motor (21) is connected with the end of the inner filter element (22).
8. A waste fitting discharging device for sewage treatment according to claim 7, characterized in that the outer wall of the junction of the inner filter element (22) and the exchange filter element (23) is provided with a barrel wall brush, and the outer wall of the barrel wall brush is slidably connected to the inner wall of the exchange filter element (23).
CN202010516570.1A 2020-06-09 2020-06-09 Sewage discharge device for sewage treatment Withdrawn CN111646586A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010516570.1A CN111646586A (en) 2020-06-09 2020-06-09 Sewage discharge device for sewage treatment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010516570.1A CN111646586A (en) 2020-06-09 2020-06-09 Sewage discharge device for sewage treatment

Publications (1)

Publication Number Publication Date
CN111646586A true CN111646586A (en) 2020-09-11

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CN202010516570.1A Withdrawn CN111646586A (en) 2020-06-09 2020-06-09 Sewage discharge device for sewage treatment

Country Status (1)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112404055A (en) * 2020-11-27 2021-02-26 重庆龙煜精密铜管有限公司 Rotary brush device for finishing machine
CN118479642A (en) * 2024-07-15 2024-08-13 山东万佳环境工程有限公司 Purifying device for domestic sewage

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060236476A1 (en) * 2005-04-26 2006-10-26 Ji-Ding Gau Filter cartridge cleaning apparatus
CN203556185U (en) * 2013-11-14 2014-04-23 浙江鹰鹏船舶设备制造有限公司 Automatic-cleaning water filter
CN208023131U (en) * 2017-10-13 2018-10-30 张家港智能电力研究院有限公司 A kind of electrostatic spinning spinning appts
CN208583064U (en) * 2018-05-10 2019-03-08 江苏双辉环境科技有限公司 A kind of filter device for high speed filter

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060236476A1 (en) * 2005-04-26 2006-10-26 Ji-Ding Gau Filter cartridge cleaning apparatus
CN203556185U (en) * 2013-11-14 2014-04-23 浙江鹰鹏船舶设备制造有限公司 Automatic-cleaning water filter
CN208023131U (en) * 2017-10-13 2018-10-30 张家港智能电力研究院有限公司 A kind of electrostatic spinning spinning appts
CN208583064U (en) * 2018-05-10 2019-03-08 江苏双辉环境科技有限公司 A kind of filter device for high speed filter

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112404055A (en) * 2020-11-27 2021-02-26 重庆龙煜精密铜管有限公司 Rotary brush device for finishing machine
CN118479642A (en) * 2024-07-15 2024-08-13 山东万佳环境工程有限公司 Purifying device for domestic sewage
CN118479642B (en) * 2024-07-15 2024-09-24 山东万佳环境工程有限公司 Purifying device for domestic sewage

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Address after: 563000 No. 34-40, floor 3, huijintiandi, Sida District, International Trade City, Zunyi Avenue, Honghuagang District, Zunyi City, Guizhou Province

Applicant after: ZUNYI CHAOYU BOILER Co.,Ltd.

Address before: 563000 Zunyi Chaoyu Boiler Co., Ltd., No. 198 Yan'an Road, Honghuagang District, Zunyi City, Guizhou Province

Applicant before: ZUNYI CHAOYU BOILER Co.,Ltd.

WW01 Invention patent application withdrawn after publication
WW01 Invention patent application withdrawn after publication

Application publication date: 20200911