CN107628713A - A kind of sewage disposal device and application method of separable sludge - Google Patents

A kind of sewage disposal device and application method of separable sludge Download PDF

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Publication number
CN107628713A
CN107628713A CN201711134652.4A CN201711134652A CN107628713A CN 107628713 A CN107628713 A CN 107628713A CN 201711134652 A CN201711134652 A CN 201711134652A CN 107628713 A CN107628713 A CN 107628713A
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CN
China
Prior art keywords
pond
heat
extruding
exchanger tank
sewage
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Withdrawn
Application number
CN201711134652.4A
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Chinese (zh)
Inventor
戚海冰
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Guangxi Province Nanning City Guierchuang Environmental Protection Technology Co Ltd
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Guangxi Province Nanning City Guierchuang Environmental Protection Technology Co Ltd
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Application filed by Guangxi Province Nanning City Guierchuang Environmental Protection Technology Co Ltd filed Critical Guangxi Province Nanning City Guierchuang Environmental Protection Technology Co Ltd
Priority to CN201711134652.4A priority Critical patent/CN107628713A/en
Publication of CN107628713A publication Critical patent/CN107628713A/en
Withdrawn legal-status Critical Current

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Abstract

The invention provides a kind of sewage disposal device and application method of separable sludge, including sedimentation basin, extruding pond, heat-exchanger tank;The tank inlet is provided with preliminary filter, and outlet connects the extruding pond;The extruding pond is surrounded by six mobilizable plate faces, and pressurizing unit is equipped with each face;Filter bag is provided with the extruding pond;The filter bag is placed on the pressurizing unit of the extruding bottom surface of pond 2;Extruding pond outlet connection heat-exchanger tank;Coil pipe is provided with inside the heat-exchanger tank, pool wall is provided with electric heater and giant, and outlet at bottom is provided with magnetic valve;The sedimentation basin, extruding pond, heat-exchanger tank may be contained within underground, and outlet is equipped with filter screen automatic-cleaning device;The sedimentation basin, extruding pond, sensor is all provided with heat-exchanger tank, and be connected with master control system.The present invention can reclaim heat energy and be used while mud in separating sewage, while the extruding of mud debris is blocking, facilitate subsequent treatment.

Description

A kind of sewage disposal device and application method of separable sludge
Technical field
The invention belongs to technical field of sewage, it is related to sewage disposal device and the user of a kind of separable sludge Method.
Background technology
Sewage disposal, it is to make sewage reach a certain water body standard of draining or the water quality requirement reused, and it is entered The process of row purification.Current sewage disposal technology is all by sewage directly discharge after purified treatment is up to standard, some factories, The sewage of the discharges such as school contains higher heat, in line to produce waste.And hinge can be usually used in traditional sewage disposal process Knife rubs mud and debris, and when the rubbish in mud blocks reamer cutterhead, cutterhead is easily damaged.Meanwhile in sewage sludge Debris easily by pipeline, filter net jam, cleaning is got up relative difficulty.
The content of the invention
To solve the above problems, it can be automatically separated sewage sludge the invention provides a kind of and recycle setting for heat energy Standby, the equipment can reclaim heat energy and be used, while can be squeezed into mud debris while mud in separating sewage Block, facilitate subsequent treatment.The present invention, being capable of automated cleaning product by the sensor sensing discharge of sewage, sludge concentration, temperature etc. Dirt, blocking position, liquid level in pond is controlled, ensure hot water temperature, automaticity is high, and equipment operational effect is good.
The technical scheme is that:
A kind of sewage disposal device of separable sludge, including sedimentation basin, extruding pond, heat-exchanger tank and master control system;It is described heavy Shallow lake pond entrance is provided with preliminary filter, and outlet connects the extruding pond;The extruding pond is surrounded by six mobilizable plate faces, each face On be equipped with pressurizing unit;Filter bag is provided with the extruding pond;The filter bag is placed on the pressurizing unit of bottom surface;The extruding Pond outlet connection heat-exchanger tank;Coil pipe is provided with inside the heat-exchanger tank, pool wall is provided with electric heater and giant, bottom Portion outlet is provided with magnetic valve;The sedimentation basin, extruding pond, heat-exchanger tank may be contained within underground;The sedimentation basin, extruding Chi Here The exit for exchanging pond is equipped with filter screen automatic-cleaning device;The sedimentation basin, extruding pond, sensor is equipped with heat-exchanger tank, And it is connected with the master control system.The present invention can reclaim heat energy and be used while mud in separating sewage, and energy The extruding of mud debris is blocking, facilitate subsequent treatment, while automated cleaning can also be carried out to system, automaticity is high, equipment Operational effect is good.
Further, the sedimentation basin, extruding pond, heat-exchanger tank, the exit of preliminary filter are equipped with filter screen;Described filter Net automatic cleaner includes hydraulic cylinder one, motor and hairbrush ball;Described hydraulic cylinder one and motor connection, the rotor of the motor Connect hairbrush ball;Described hairbrush ball is replaceable.When filter net jam, the hydraulic cylinder one filters motor ejection to blocking is reached At net, the motor rotates, the filter screen for driving the brush cleaning to block.
Further, the outlet for stating sedimentation basin is connected by pipeline with extruding the filter bag placed in pond;The filter bag is close Mesh filter bag.After sewage and mud enter the filter bag, sewage can flow out from the mesh of the filter bag, and mud can then stay in In the filter bag, sewage and mud are separated.
Further, the pressurizing unit includes hydraulic cylinder two and stripper plate;The stripper plate is connected to hydraulic cylinder two On push rod, plate face is towards the filter bag.After the filter bag is filled, the push rod of the hydraulic cylinder two is from six faces except the base Stretch out, promote the stripper plate extruding filter bag, flow out sewage, mud compacting is square.
Further, the extruding bottom of pond portion is provided with support column;The stripper plate of the pressurizing unit in the extruding bottom of pond portion is put Put on the support columns;The push rod is uprightly arranged on the stripper plate of the pressurizing unit in extruding bottom of pond portion;The jacking block is arranged at Extrude the top in pond;The push rod withstands jacking block.The support column assists the pressurizing unit support filter bag in extruding bottom of pond portion;It is described After sewage in filter bag is extruded, the pressurizing unit in the extruding bottom of pond portion jacks up filter bag, while the push rod is by jacking block, Stripper plate at the top of the extruding pond is jacked up, until the filter bag is ejected extruding Chi Kou.
Further, the coil pipe bending is spiraled, and caliber is small, and tube wall is thin, by corrosion-resistant and good thermal conductivity alloy Material is made;The coil pipe is provided with flow water meter;Steering motor is set in the giant;The coil pipe, giant are equal It is connected with water supply pipe.Circulation running water in the coil pipe, water is monitored by the flow water meter;The steering motor can Giant adjustment water spray angle is controlled, sprays no dead angle.
Further, the sedimentation basin, the sensor extruded in pond are flow monitoring sensor;In the heat-exchanger tank Sensor is temperature sensor, traffic monitoring sensor, liquid level sensor and concentration of wastewater detection sensor;The sedimentation basin, Filter screen automatic-cleaning device in extruding pond, heat-exchanger tank connects traffic monitoring sensor described in each pond respectively;The heat is handed over The electric heater connection temperature sensor changed in pond;The magnetic valve connection level sensor of the heat-exchanger tank outlet and temperature sense Answer device.The sedimentation basin, extruding pond, the traffic monitoring sensor detection discharge of sewage in heat-exchanger tank, and pass through master control system Control the action of filter screen automatic-cleaning device;Liquid level sensor and temperature sensor difference sensed water level and temperature in the heat-exchanger tank Degree, magnetic valve folding or triggering electric heater is controlled to switch respectively by the master control system;When electric heater opens one section Between after when still the water in coil pipe can not be heated into design temperature, open giant, washing tray tube outer surface.
The application method of the present invention comprises the following steps:
1)Filtering and precipitation:After sewage flows into preliminary filter, larger debris, hard rubbish etc. are completely cut off by filtering;Manually to heavy Flocculant is added in the pond of shallow lake, sewage enters the gradual coacervation precipitation of sedimentation basin rear impurity, and related coacervation thing, mud pass through outlet pipe Flow out in road;
2)Extruding:The sewage flowed out from sedimentation basin enters in the filter bag in extruding pond, after filter bag fills mud, hydraulic cylinder two Push rod stretched out from six faces, promote stripper plate extruding filter bag, flow out sewage, mud compacting be square;Now remove bottom surface Outside, the push rod of the hydraulic cylinder two in another five faces is withdrawn, and the pressurizing unit in extruding bottom of pond face jacks up filter bag;Push rod passes through top simultaneously Block, the stripper plate top extruded at the top of pond is opened, until the filter bag is ejected extruding Chi Kou;
3)Heating:Flowed into the sewage being extruded in extruding pond in heat-exchanger tank, now closed electromagnetic valve, water storage in pond, coil pipe Inside it is passed through tap water at normal temperature;Sewage submergence coil pipe with heat, heats running water, obtained hot water is from coil pipe using heat exchange Delivery port flows out;
4)Inductor controls:When the traffic monitoring sensor in sedimentation basin, extruding pond, heat-exchanger tank detects that the discharge of sewage is obvious During reduction, illustrate that filter screen is blocked by mud, now motor is ejected to reach and blocked at filter screen by hydraulic cylinder one, and motor rotates, band The filter screen that the cleaning of electric brush ball blocks;When the liquid level sensor in heat-exchanger tank and temperature sensor detect that water level is too high or warm When spending low, control magnetic valve to open draining by master control system, add new sewage;When heat-exchanger tank draining and add newly When water temperature is still too low after sewage, triggering electric heater opens heating, and water temperature is closed after reaching setting value;When electric heater opens one When still the water in coil pipe can not be heated into design temperature after the section time, illustrate that coil surface incrustation is more, now magnetic valve is beaten Open, empty the water in heat-exchanger tank, open giant, washing tray tube outer surface dirt.
Compared with prior art, advantages of the present invention:
1. the present invention is provided with sedimentation basin, extruding pond and heat-exchanger tank, can be while sewage is purified, the heat energy in recovery sewage is simultaneously It is used, plays the purpose for saving the energy.
2. extruding effect of the pond by filter bag, pressurizing unit of the present invention, can separate the mud in sewage with sewage, And mud is extruded to blocking, ejecting device system, the convenient subsequently transport to mud, processing.
3., can be automatic under the control of master control system by the sensor sensing discharge of sewage, sludge concentration, temperature etc. Blocking position, equipment incrustation are cleaned, and liquid level in pond can be controlled, ensures hot water temperature, monitors mud concentration, functional item is neat Entirely.
4. the present invention utilizes the formal layout sewage sludge for extruding mud, and coordinates heat exchange principle to recycle in sewage Heat, by every state of sewage in sensor real time monitoring apparatus, control cleaning equipment cleans to device automatically, The a series of function such as sewage disposal, sludge treatment, energy recovery, equipment cleaning is realized, functional item is complete, automates journey Degree is high, and equipment operational effect is good.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention.
Fig. 2 is filter screen automatic-cleaning device schematic diagram.
Fig. 3 is extruding bottom of pond portion and push rod, jacking block schematic diagram.
Parts title and sequence number in figure:
Sedimentation basin 1, extruding pond 2, heat-exchanger tank 3, preliminary filter 4, filter screen automatic-cleaning device 5, filter bag 6, hydraulic cylinder 27, extruding Device 8, support column 9, electric heater 10, giant 11, coil pipe 12, magnetic valve 13, hydraulic cylinder 1, motor 15, hairbrush ball 16th, push rod 17, jacking block 18, stripper plate 19.
Embodiment
The present invention is further described below in conjunction with the accompanying drawings.
Embodiment one:
A kind of sewage disposal device of separable sludge, including sedimentation basin 1, extruding pond 2, heat-exchanger tank 3 and master control system;It is described The entrance of sedimentation basin 1 is provided with preliminary filter 4, the outlet connection extruding pond 2;The extruding pond 2 is surrounded by six mobilizable plate faces, Pressurizing unit 8 is equipped with each face;Filter bag 6 is provided with the extruding pond;The filter bag 6 is placed in squeezing for the extruding bottom surface of pond 2 On pressure device 8;The extruding pond 2 outlet connection heat-exchanger tank 3;The inside of heat-exchanger tank 3 is provided with coil pipe 12, and pool wall is provided with Electric heater 10 and giant 11, outlet at bottom are provided with magnetic valve 13;The sedimentation basin 1, extruding pond 2, heat-exchanger tank 3 are equal It is arranged at underground;The exit of the sedimentation basin 1, extruding pond 2 and heat-exchanger tank 3 is equipped with filter screen automatic-cleaning device 5;It is described heavy Shallow lake pond 1, extruding pond 2, sensor is equipped with heat-exchanger tank 3, and be connected with the master control system.The sedimentation basin 1, extruding Pond 2, heat-exchanger tank 3, the exit of preliminary filter 4 are equipped with filter screen;Described filter screen automatic-cleaning device 5 include hydraulic cylinder 1, Motor 15 and hairbrush ball 16;Described hydraulic cylinder 1 is connected with motor 15, the rotor connection hairbrush ball 16 of the motor 15;Institute The hairbrush ball 16 stated is replaceable.The outlet of the sedimentation basin 1 is connected by pipeline with extruding the filter bag 6 placed in pond 2;The filter Bag 6 is close mesh filter bag.The pressurizing unit 8 includes hydraulic cylinder 27 and stripper plate 19;The stripper plate 19 is connected to hydraulic cylinder On 27 push rod, plate face is towards the filter bag 6.The push rod 17 is uprightly arranged at squeezing for the pressurizing unit 8 of the extruding bottom of pond 2 On pressing plate 19;The jacking block 18 is arranged at the top in extruding pond 2;The push rod 17 withstands jacking block 18.The coil pipe 12 bends disk Rotation, caliber is small, and tube wall is thin, is made up of corrosion-resistant and good thermal conductivity alloy material;The coil pipe 12 is provided with flow water Table;Steering motor is set in the giant 11;The coil pipe 12, giant 11 are connected with water supply pipe.It is described heavy Sensor in shallow lake pond 1, extruding pond 2 is flow monitoring sensor;Sensor in the heat-exchanger tank 3 is temperature sensor, Traffic monitoring sensor, liquid level sensor and concentration of wastewater detection sensor;The sedimentation basin 1, extruding pond 2, in heat-exchanger tank 3 Filter screen automatic-cleaning device 5 connect in each pond described traffic monitoring sensor respectively;Electric heater in the heat-exchanger tank 3 10 connection temperature sensors;The magnetic valve 13 that the heat-exchanger tank 3 exports connects level sensor and temperature inductor.
The application method of the present invention is as follows:
After sewage flows into preliminary filter 4, larger debris, hard rubbish etc. are completely cut off by filtering;Wadding is manually added into sedimentation basin 1 Solidifying agent, sewage enters the gradual coacervation precipitation of the rear impurity of sedimentation basin 1, and related coacervation thing, mud are flowed out by outlet conduit;From heavy The sewage that is flowed out in shallow lake pond 1 enters in the filter bag 6 in extruding pond 2, and after filter bag 6 fills mud, the push rod of hydraulic cylinder 27 is from six Individual face is stretched out, and promotes stripper plate 19 to extrude filter bag 6, flows out sewage, and mud compacting is square;Now except the base, another five The push rod of the hydraulic cylinder 27 in individual face is withdrawn, and the pressurizing unit 8 of the extruding bottom surface of pond 2 jacks up filter bag 6;Push rod 17 passes through top simultaneously Block 18, the top of stripper plate 19 for extruding the top of pond 2 is opened, until filter bag 6 is ejected extruding Chi Kou;It is extruded in pond 2 is extruded Sewage is flowed into heat-exchanger tank 3, and now magnetic valve 13 is closed, water storage in pond, and tap water at normal temperature is passed through in coil pipe 12;With heat Sewage submergence coil pipe 12, heat running water using heat exchange, obtained hot water flows out from the delivery port of coil pipe 12;Work as sedimentation basin 1st, extrude pond 2, when the traffic monitoring sensor in heat-exchanger tank 3 detects that the discharge of sewage is obviously reduced, illustrate that filter screen is become silted up Mud is blocked, and now motor 15 is ejected arrival and blocked at filter screen by hydraulic cylinder 1, and motor 15 rotates, and band electric brush ball 16 cleans stifled The filter screen of plug;When the liquid level sensor in heat-exchanger tank 3 and temperature sensor detect that water level is too high or temperature is too low, pass through Master control system control magnetic valve 13 opens draining, adds new sewage;When the draining of heat-exchanger tank 3 and water temperature after add new sewage When still too low, triggering electric heater 10 opens heating, and water temperature is closed after reaching setting value;When electric heater 10 opens a period of time When still the water in coil pipe 12 can not be heated into design temperature afterwards, illustrate that coil surface incrustation is more, now magnetic valve 13 is opened, The water in heat-exchanger tank 3 is emptied, opens giant 11, rinses the outer surface dirt of coil pipe 12.
Embodiment two:
The present embodiment two is essentially identical with the structure of embodiment one and principle, the difference is that the extruding bottom of pond 2 is provided with support column 9.When the filter bag 6 is not filled sludge, the support column 9 assists the pressurizing unit 8 of extruding bottom of pond 2 to support filter bag 6.
Specific embodiment described herein is only to spirit explanation for example of the invention.Technology belonging to the present invention is led The technical staff in domain can be made various modifications or supplement to described specific embodiment or be replaced using similar mode Generation, but without departing from the spiritual of the present invention or surmount scope defined in appended claims.

Claims (8)

  1. A kind of 1. sewage disposal device of separable sludge, it is characterised in that:Including sedimentation basin (1), extruding pond(2), heat exchange Pond(3)And master control system;The sedimentation basin(1)Entrance is provided with preliminary filter(4), outlet connects the extruding pond(2);The extruding Pond(2)Surrounded by six mobilizable plate faces, pressurizing unit is equipped with each face(8);The extruding pond(2)It is interior to be provided with filter bag (6);The filter bag(6)It is placed in extruding pond(2)The pressurizing unit of bottom surface(8)On;The extruding pond(2)Outlet connection heat exchange Pond(3);The heat-exchanger tank(3)Inside is provided with coil pipe(12), pool wall is provided with electric heater(10)And giant(11), Outlet at bottom is provided with magnetic valve(13);The sedimentation basin(1), extruding pond(2), heat-exchanger tank(3)It may be contained within underground;It is described heavy Shallow lake pond(1), extruding pond(2)And heat-exchanger tank(3)Exit be equipped with filter screen automatic-cleaning device(5);The sedimentation basin (1), Extrude pond(2), heat-exchanger tank(3)Sensor is inside equipped with, and is connected with the master control system.
  2. 2. the sewage disposal device of separable sludge according to claim 1, it is characterised in that:The sedimentation basin (1), squeeze Press pond(2), heat-exchanger tank(3), preliminary filter(4)Exit be equipped with filter screen;Described filter screen automatic-cleaning device(5)Including liquid Cylinder pressure one(14), motor(15)With hairbrush ball(16);Described hydraulic cylinder one(14)With motor(15)Connection, the motor(15) Rotor connection hairbrush ball (16);Described hairbrush ball (16) is replaceable.
  3. 3. the sewage disposal device of separable sludge according to claim 1, it is characterised in that:The sedimentation basin (1) Outlet passes through pipeline and extruding pond(2)The filter bag of interior placement(6)Connection;The filter bag(6)For close mesh filter bag.
  4. 4. the sewage disposal device of separable sludge according to claim 1, it is characterised in that:The pressurizing unit(8) Including hydraulic cylinder two(7)And stripper plate(19);The stripper plate(19)It is connected to hydraulic cylinder two(7)Push rod on, plate face direction The filter bag(6).
  5. 5. the sewage disposal device of the separable sludge according to claim 1-4, it is characterised in that:The extruding pond(2) Bottom is provided with support column(9);The extruding pond(2)The pressurizing unit of bottom(8)Stripper plate(19)It is placed on support column(9) On;The push rod(17)It is upright to be arranged at extruding pond(2)The pressurizing unit of bottom(8)Stripper plate(19)On;The jacking block (18)It is arranged at extruding pond(2)Top;The push rod(17)Withstand jacking block(18).
  6. 6. the sewage disposal device of separable sludge according to claim 1, it is characterised in that:The coil pipe(12)Bending Spiral, caliber is small, and tube wall is thin, is made up of corrosion-resistant and good thermal conductivity alloy material;The coil pipe(12)It is provided with stream Water gauge;The giant(11)Inside set steering motor;The coil pipe(12), giant(11)With water supply pipe phase Even.
  7. 7. the sewage disposal device of separable sludge according to claim 1, it is characterised in that:The sedimentation basin (1), squeeze Press pond(2)Interior sensor is flow monitoring sensor;The heat-exchanger tank(3)Interior sensor is temperature sensor, flow Monitoring sensor, liquid level sensor and concentration of wastewater detection sensor;The sedimentation basin (1), extruding pond(2), heat-exchanger tank(3) Interior filter screen automatic-cleaning device(5)Traffic monitoring sensor described in each pond is connected respectively;The heat-exchanger tank(3)Interior electricity Heater(10)Connect temperature sensor;The heat-exchanger tank(3)The magnetic valve of outlet(13)Connect level sensor and temperature Inductor.
  8. 8. the application method of the sewage disposal device of the separable sludge according to claim any one of 1-7, its feature exist In:Comprise the following steps:
    1)Filtering and precipitation:Sewage flows into preliminary filter(4), larger debris, hard rubbish etc. are completely cut off by filtering;Sewage enters Sedimentation basin(1)The gradual coacervation precipitation of rear impurity, and related coacervation thing, mud are flowed out by outlet conduit;
    2)Extruding:From sedimentation basin(1)The sewage of middle outflow enters extruding pond(2)In filter bag(6)In, pressurizing unit(8)From six Individual face extrudes filter bag(6);Extrude filter bag(6)After interior sewage, impurity and mud etc. are left on filter bag(6)In, and the side of being pressed into It is block;Extrude pond(2)The pressurizing unit of bottom(8)Push rod stretch out, by filter bag(6)And internal debris and mud ejection extruding pond (2);
    3)Heating:In extruding pond(2)In the sewage that is extruded flow into heat-exchanger tank(3), magnetic valve(13)Close, coil pipe(12)It is interior It is passed through tap water at normal temperature;Sewage submergence coil pipe with heat(12), running water is heated using heat exchange, obtained hot water is from disk Pipe(13)Delivery port flows out;
    4)Inductor controls:When sedimentation basin (1), extruding pond(2), heat-exchanger tank(3)Interior sensor detects that flow substantially subtracts Hour, master control system control filter screen automatic-cleaning device(5)Clean filter screen;Work as heat-exchanger tank(3)Inner sensor detects water level mistake When high or temperature is too low, magnetic valve(13)Open draining;Work as heat-exchanger tank(3)Draining and water temperature is still too low after adding new sewage When, trigger electric heater(10)Heating is opened, water temperature is closed after reaching setting value;Work as electric heater(10)After opening a period of time Still can not be by coil pipe(12)When interior water is heated to design temperature, magnetic valve(13)Open, empty heat-exchanger tank(3)Interior water, Open giant(11), rinse coil pipe(12)Outer surface.
CN201711134652.4A 2017-11-16 2017-11-16 A kind of sewage disposal device and application method of separable sludge Withdrawn CN107628713A (en)

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Application Number Priority Date Filing Date Title
CN201711134652.4A CN107628713A (en) 2017-11-16 2017-11-16 A kind of sewage disposal device and application method of separable sludge

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Application Number Priority Date Filing Date Title
CN201711134652.4A CN107628713A (en) 2017-11-16 2017-11-16 A kind of sewage disposal device and application method of separable sludge

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CN107628713A true CN107628713A (en) 2018-01-26

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CN201711134652.4A Withdrawn CN107628713A (en) 2017-11-16 2017-11-16 A kind of sewage disposal device and application method of separable sludge

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Cited By (3)

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Publication number Priority date Publication date Assignee Title
CN109024453A (en) * 2018-08-15 2018-12-18 罗永恒 A kind of novel seabeach sanitation engineer and its application method
CN109647025A (en) * 2018-12-27 2019-04-19 李俊华 A kind of screw conveyor
CN118959772A (en) * 2024-10-21 2024-11-15 永忠工程管理(集团)有限公司 An anti-blocking pipe for toilets in high-cold areas

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CN107088331A (en) * 2017-05-25 2017-08-25 安徽鹰龙工业设计有限公司 A kind of paper grade (stock) screen pack cleaning equipment
CN206457382U (en) * 2017-02-10 2017-09-01 广州坦源环保科技有限公司 A kind of hot industry waste water cooling filtering device
CN206553294U (en) * 2017-02-27 2017-10-13 湖北喜康化工有限公司 A kind of chemical industry equipment circulation fluid filtration net cleaning device

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CN204075868U (en) * 2014-04-02 2015-01-07 烟台拓福数控机床有限公司 A kind of planer-type milling machine cutting fluid circulatory system
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109024453A (en) * 2018-08-15 2018-12-18 罗永恒 A kind of novel seabeach sanitation engineer and its application method
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CN109647025A (en) * 2018-12-27 2019-04-19 李俊华 A kind of screw conveyor
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CN118959772A (en) * 2024-10-21 2024-11-15 永忠工程管理(集团)有限公司 An anti-blocking pipe for toilets in high-cold areas
CN118959772B (en) * 2024-10-21 2024-12-13 永忠工程管理(集团)有限公司 Anti-blocking pipeline for toilet in alpine region

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Application publication date: 20180126