CN113461123A - Tap water chlorination adding device capable of reducing power consumption - Google Patents

Tap water chlorination adding device capable of reducing power consumption Download PDF

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Publication number
CN113461123A
CN113461123A CN202110945345.4A CN202110945345A CN113461123A CN 113461123 A CN113461123 A CN 113461123A CN 202110945345 A CN202110945345 A CN 202110945345A CN 113461123 A CN113461123 A CN 113461123A
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China
Prior art keywords
control valve
pump
water tank
pipe
water
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Granted
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CN202110945345.4A
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Chinese (zh)
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CN113461123B (en
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韩雨晨
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Xuzhou Shouchuang Water Co ltd
Beijing Shouchuang Ecological Environmental Protection Group Co ltd
Original Assignee
Xuzhou Shouchuang Water Co ltd
Beijing Shouchuang Ecological Environmental Protection Group Co ltd
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Priority to CN202110945345.4A priority Critical patent/CN113461123B/en
Publication of CN113461123A publication Critical patent/CN113461123A/en
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Publication of CN113461123B publication Critical patent/CN113461123B/en
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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
    • C02F1/50Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment

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  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Treatment Of Water By Oxidation Or Reduction (AREA)

Abstract

The invention discloses a tap water chlorination adding device capable of reducing electricity consumption, which comprises: a water tank is arranged in the movable case, an aeration pipe is arranged at the bottom in the water tank, at least one medicine box with a medicine outlet facing the inside of the water tank is fixedly arranged above the water tank, a pump is arranged at the bottom in the movable case and is connected with a first control valve through a pipeline, and the first control valve is respectively connected with a water inlet pipe and a third control valve through a pipeline; the pump is connected with a second control valve through a pipeline, and the second control valve is respectively connected with a third control valve and a liquid outlet pipe through a pipeline; the third control valve is connected with the aeration pipe through a pipeline; the water inlet pipe is communicated with the water tank; joints of the liquid outlet pipe, the water inlet pipe and the air inlet pipe are all arranged outside the wall of the movable case; the control device is electrically connected with the pump and the first to third control valves and can control the pump and the first to third control valves to finish liquid inlet and liquid outlet. The feeder only uses one pump, has low power consumption, is convenient to move, improves the convenience, is convenient to add various medicaments, and enlarges the application range.

Description

Tap water chlorination adding device capable of reducing power consumption
Technical Field
The invention relates to the field of tap water treatment, in particular to a tap water chlorination feeder capable of reducing power consumption.
Background
Water treatment means for achieving purification include physical treatment and chemical treatment. Wherein, the physical method comprises utilizing various filter materials with different pore sizes and utilizing an adsorption or blocking mode to remove impurities in water; the adsorption mode mainly uses active carbon for adsorption, and the blocking method is to make water pass through the filter material, so that the impurities with larger volume can not pass through, and then clean water can be obtained. In addition, the physical methods also include precipitation methods, which are obtained by floating impurities with a smaller specific gravity on the water surface or precipitating impurities with a larger specific gravity below the water surface. The chemical method is to convert the impurities in water into substances which are less harmful to human bodies by various chemicals or concentrate the impurities, and the longest historical chemical treatment method can be that alum is added into water, and after the impurities in the water are collected, the volume is increased, and then the impurities can be removed by a filtration method. Because of the breeding of a large amount of harmful substances such as bacteria in water, chlorine is added in the water treatment process in order to inhibit and kill the bacteria in water, and the chlorine is generally added by a tap water chlorine adding feeder.
The prior chlorine adding feeder for most tap water has the following defects: (1) the equipment is complex, the power consumption is high, and the operation cost is high; (2) only one medicament can be added, and the complex treatment requirement at present cannot be met; (3) the mobile structure is lacked, so the use is inconvenient; (4) chlorine can not be added in time, so that the residual chlorine at the end of the pipe network is insufficient.
In view of the above, the present invention is particularly proposed.
Disclosure of Invention
The invention aims to provide a tap water chlorination adding device capable of reducing power consumption, which is convenient to move and use, low in power consumption and capable of conveniently adding chlorine to tap water, and further solves the technical problems in the prior art.
The purpose of the invention is realized by the following technical scheme:
the embodiment of the invention provides a tap water chlorination adding device capable of reducing power consumption, which comprises:
the system comprises a movable case, a water tank, an aeration pipe, at least one medicine box, a pump, a first control valve, a second control valve, a third control valve, an air inlet pipe, a liquid outlet pipe, a water inlet pipe and a controller; wherein,
the movable case is internally provided with the water tank, the bottom in the water tank is provided with the aeration pipe, at least one medicine box is fixedly arranged above the water tank, and a medicine outlet of the medicine box faces the inside of the water tank;
the pump is fixedly arranged at the bottom in the movable case, the pump is connected with the first control valve through a pipeline, and the first control valve is respectively connected with the air inlet pipe and the third control valve through pipelines; the pump is connected with the second control valve through a pipeline, and the second control valve is respectively connected with the third control valve and the liquid outlet pipe through pipelines; the third control valve is connected with the aeration pipe through a pipeline;
the water inlet pipe is communicated with the inside of the water tank;
the joints of the air inlet pipe, the liquid outlet pipe and the water inlet pipe are all arranged on the wall of the movable case and extend out of the movable case;
the control device is electrically connected with the pump, the first control valve, the second control valve and the third control valve and can control the pump, the first control valve, the second control valve and the third control valve to complete liquid inlet and outlet.
Compared with the prior art, the tap water chlorine adding feeder capable of reducing power consumption has the beneficial effects that:
the movable type case is internally provided with the pump and the matched first, second and third control valves, so that liquid inlet and liquid outlet are controlled by only one pump, and the electric energy loss is reduced; a plurality of medicine boxes are conveniently installed through a fixing frame in the movable case, different medicines can be added, and the application range of the machine is expanded; the mobile case is convenient to move to a required place for use, so that convenience is improved; the tap water chlorination adding device is simple and reasonable in structure and convenient to use, effectively solves the problems that most existing tap water chlorination adding devices are high in power consumption, cannot be added with various medicaments and are inconvenient to move, and has high practical value.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on the drawings without creative efforts.
FIG. 1 is a schematic front perspective view of a chlorine adding tap water dispenser for reducing power consumption according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a back side perspective structure of a tap water chlorine adding dispenser for reducing power consumption according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of an internal structure of a chlorine adding tap water feeder for reducing power consumption according to an embodiment of the present invention;
in the figure: 1-a chassis; 2-a pump machine; 3-a first control valve; 4-a second control valve; 5-a third control valve; 6-door leaf; 7-a separator; 8-an aerator pipe; 9-a fixing frame; 10-a medicine chest; 11-a handle; 12-a heat dissipation window; 13-a caster; 14-touch screen; 15-a loudspeaker; 16-an indicator light; 17-a liquid outlet pipe; 18-a water inlet pipe; 19-an air inlet pipe; 20-a linker; 21-water tank.
Detailed Description
The technical scheme in the embodiment of the invention is clearly and completely described below by combining the attached drawings in the embodiment of the invention; it is to be understood that the described embodiments are merely exemplary of the invention, and are not intended to limit the invention to the particular forms disclosed. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
The terms that may be used herein are first described as follows:
the term "and/or" means that either or both can be achieved, for example, X and/or Y means that both cases include "X" or "Y" as well as three cases including "X and Y".
The terms "comprising," "including," "containing," "having," or other similar terms of meaning should be construed as non-exclusive inclusions. For example: including a feature (e.g., material, component, ingredient, carrier, formulation, material, dimension, part, component, mechanism, device, process, procedure, method, reaction condition, processing condition, parameter, algorithm, signal, data, product, or article of manufacture), is to be construed as including not only the particular feature explicitly listed but also other features not explicitly listed as such which are known in the art.
The term "consisting of … …" is meant to exclude any technical feature elements not explicitly listed. If used in a claim, the term shall render the claim closed except for the inclusion of the technical features that are expressly listed except for the conventional impurities associated therewith. If the term occurs in only one clause of the claims, it is defined only to the elements explicitly recited in that clause, and elements recited in other clauses are not excluded from the overall claims.
Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "secured," etc., are to be construed broadly, as for example: can be fixedly connected, can also be detachably connected or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms herein can be understood by those of ordinary skill in the art as appropriate.
The terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in an orientation or positional relationship that is indicated based on the orientation or positional relationship shown in the drawings for ease of description and simplicity of description only, and are not intended to imply or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting herein.
The tap water chlorine adding feeder for reducing the power consumption provided by the invention is described in detail below. Details which are not described in detail in the embodiments of the invention belong to the prior art which is known to the person skilled in the art. Those not specifically mentioned in the examples of the present invention were carried out according to the conventional conditions in the art or conditions suggested by the manufacturer. The reagents or instruments used in the examples of the present invention are not specified by manufacturers, and are all conventional products available by commercial purchase.
As shown in fig. 1, 2 and 3, an embodiment of the present invention provides a tap water chlorination adding device for reducing power consumption, including:
the system comprises a movable case, a water tank, an aeration pipe, at least one medicine box, a pump, a first control valve, a second control valve, a third control valve, an air inlet pipe, a liquid outlet pipe, a water inlet pipe and a controller; wherein,
the movable case is internally provided with the water tank, the bottom in the water tank is provided with the aeration pipe, at least one medicine box is fixedly arranged above the water tank, and a medicine outlet of the medicine box faces the inside of the water tank;
the pump is fixedly arranged at the bottom in the movable case, the pump is connected with the first control valve through a pipeline, and the first control valve is respectively connected with the air inlet pipe and the third control valve through pipelines; the pump is connected with the second control valve through a pipeline, and the second control valve is respectively connected with the third control valve and the liquid outlet pipe through pipelines; the third control valve is connected with the aeration pipe through a pipeline;
the water inlet pipe is communicated with the inside of the water tank;
the joints of the air inlet pipe, the liquid outlet pipe and the water inlet pipe are all arranged on the wall of the movable case and extend out of the movable case;
the control device is electrically connected with the pump, the first control valve, the second control valve and the third control valve and can control the pump, the first control valve, the second control valve and the third control valve to complete liquid inlet and outlet.
In the feeder, the medicine boxes are arranged at the top in the movable case through the fixing frame, and the medicine outlet of each medicine box faces the inside of the water tank. Can be added with various medicaments conveniently. Preferably, the medicine box is used for putting sodium hypochlorite powder and the like into the water tank, and the water tank is aerated to form a sodium hypochlorite solution. The medical kit can adopt fixed volumetric medical kit, conveniently matches with the water tank volume, conveniently controls the dose promptly, also conveniently controls the sodium hypochlorite solution that obtains fixed concentration of stirring at every turn.
The feeder further comprises: the communicating vessel is communicated between the water tank and the pump, preferably, the pipe body part of the communicating vessel can be arranged on the outer side wall of the movable case, and a transparent pipeline is adopted, so that the liquid outlet condition can be conveniently observed.
In the above feeder, the mobile casing includes:
the bottom of the box body is fixedly provided with a plurality of trundles;
a handle is arranged on the side surface of the box body, and a heat radiation window is arranged on the side wall of the box body;
and a door leaf is arranged at the back of the box body.
In the feeder, the number of the handles is two, and the handles are respectively movably arranged in the grooves formed in the two sides of the box body through the rotating shafts.
In the dispenser, the control device adopts a touch screen controller with a display screen, and the display screen of the touch screen controller is arranged on the front surface of the box body of the movable case.
Preferably, the first control valve, the second control valve and the third control valve in the feeder are three-position three-way electromagnetic control valves. Such a solenoid control valve is convenient for automatic control by the control means.
In summary, the embodiment of the invention can facilitate the dispenser to move to a required position for use by adopting the movable case, and the liquid inlet, aeration mixing and liquid outlet treatment are realized by arranging the pump machine on the movable case and matching with the first control valve, the second control valve and the third control valve which are organically connected by the pipeline, so that the energy consumption for adding chlorine to tap water is effectively reduced.
In order to more clearly show the technical solutions and the technical effects provided by the present invention, detailed descriptions of the tap water chlorine adding feeder for reducing power consumption provided by the embodiments of the present invention are provided in the following embodiments.
Examples
As shown in fig. 1, 2 and 3, an embodiment of the present invention provides a tap water chlorination adding device for reducing power consumption, including: the portable chassis, the bottom side of the inside of portable chassis is fixedly equipped with the pump machine, the top close to the pump machine is fixedly equipped with the baffle, the whole space above the baffle is the water tank, the water tank is communicated with the pump machine through the communicating vessel, the top of the baffle, namely the bottom in the water tank is fixedly equipped with the aeration pipe, the aeration pipe is communicated with the pump machine through the pipeline, the top of the water tank is fixedly equipped with the mount, the mount is internally fixedly equipped with several medical kits;
foretell portable quick-witted case and bottom are equipped with the box constitution that is convenient for remove a plurality of truckles, and the equal fixed mounting in the outside both sides of box has the handle, and the box is being provided with the heat dissipation window near handle bottom one side, and the box is keeping away from heat dissipation window one side fixed mounting has the linker. Preferably, each caster can be a universal wheel. The movable case is convenient for the whole feeder to move and can be moved to different occasions for use.
In the above-mentioned feeder, the box of portable quick-witted case has intake pipe, drain pipe and inlet tube in one side fixed mounting who is close to the linker, drain pipe and intake pipe all communicate each other through pipeline and pump machine, communicate in inlet tube and the water tank. Preferably, the joints of the air inlet pipe, the liquid outlet pipe and the water inlet pipe are all provided with one-way valves, so that leakage is avoided.
In the feeder, a first control valve, a second control valve and a third control valve are respectively arranged at the top part close to the pump machine in the box body of the movable case, wherein the first control valve is respectively communicated with the air inlet pipe, the pump machine and the third control valve through pipelines; the second control valve is respectively communicated with the pump, the third control valve and the liquid outlet pipe through pipelines; the third control valve is communicated with the first control valve, the second control valve and the aeration pipe through pipelines respectively.
Preferably, the first control valve, the second control valve and the third control valve are all electromagnetic control valves, and the first control valve, the second control valve and the third control valve are all three-position three-way control valves.
In foretell portable quick-witted case, the box both sides are provided with the recess, and two handles are respectively through pivot fixed mounting inside the recess of both sides, and the handle can be pulled out when needs like this, need not accomodate for the outside of throwing the ware is more regular.
In the mobile case, the heat dissipation window is arranged on one side close to the pump, and a plurality of air deflectors which incline downwards are fixedly arranged in the heat dissipation window. The pump in the box body can be better radiated.
The feeder is provided with a control device which is respectively electrically connected with the pump machine and the first to third control valves and can control the pump machine and the first to third control valves to feed liquid and discharge liquid. Preferably, the control device adopts a controller with a touch screen, the touch screen is fixedly installed on one side of the front surface of the box body, a plurality of status indicator lamps are arranged at the bottom of the touch screen, and loudspeakers are arranged on two sides of each status indicator lamp.
In the mobile case, the back of the case body is fixedly provided with a pair of door leaves, and the door leaves are fixedly connected with the case body through hinges.
The working principle of the feeder is as follows: during the use, at first pull out handle 11 and promote this to throw and add the ware and remove appointed work area, through the inlet tube, intake pipe and drain pipe connect the water pipe respectively, trachea and liquid feeding pipe, it puts the ware to start after controlling means's touch screen 14 has set up working parameter, add the medicine according to the demand, add water into water tank 21 through inlet tube 18, aeration pipe 8 place cavity promptly, add sodium hypochlorite powder in to water tank 21 through medical kit 10, rethread pump machine 2 stirs the mixture through aeration pipe 8 to water tank 21 internal aeration, stir into sodium hypochlorite solution, rethread linker 20 delivers mixed solution to pump machine 2, pump machine 2 passes through the pipeline, second control valve 4 delivers mixed solution through drain pipe 17.
The first control valve 3 is communicated with the water tank 21, the pump machine 2 and the third control valve 5 through pipelines respectively by arranging the first control valve 3, the second control valve 4 and the third control valve 5 in the box body 1 close to the top of the pump machine 2; the second control valve 4 is respectively communicated with the pump 2, the third control valve 5 and the liquid outlet pipe 17 through pipelines; the third control valve 5 is respectively communicated with the first control valve 3, the second control valve 4 and the aeration pipe 8 through pipelines, so that liquid inlet and liquid outlet are controlled by one pump 2, and the electric energy loss is reduced; the fixing frame 9 is fixedly arranged in the box body 1 close to the top of the aeration pipe 8, and the plurality of medicine boxes 10 are fixedly arranged in the fixing frame 9, so that different medicines can be added, and the application range of the machine is expanded; the handles 11 are fixedly arranged on the two sides of the outer part of the box body 1, the grooves are formed in the two sides of the case 1, the handles 11 are fixedly arranged in the grooves through the rotating shaft, and the trundles 13 are fixedly arranged at the bottom of the box body 1, so that the box is convenient to move and use; the tap water chlorination adding device capable of reducing power consumption is simple and reasonable in structure and convenient to use, effectively solves the problems that most existing tap water chlorination adding devices are high in power consumption, cannot add various medicaments and are inconvenient to move, and has high practical value.
In summary, in the tap water chlorination feeding device according to the embodiment of the present invention, the pump and the first, second, and third control valves are disposed in the mobile case, so that the feeding and discharging of the tap water are controlled by only one pump, and the power consumption is reduced; a plurality of medicine boxes are conveniently installed through a fixing frame in the movable case, different medicines (chlorine-containing powder including sodium hypochlorite powder) can be added, and the application range of the machine is expanded; the mobile case is convenient to move to a required place for use, so that convenience is improved; the tap water chlorination adding device is simple and reasonable in structure and convenient to use, effectively solves the problems that most existing tap water chlorination adding devices are high in power consumption, cannot be added with various medicaments and are inconvenient to move, and has high practical value.
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 changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims. The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.

Claims (7)

1. The utility model provides a running water chlorination ware of throwing that reduces power consumption which characterized in that includes:
the system comprises a movable case, a water tank, an aeration pipe, at least one medicine box, a pump, a first control valve, a second control valve, a third control valve, an air inlet pipe, a liquid outlet pipe, a water inlet pipe and a controller; wherein,
the movable case is internally provided with the water tank, the bottom in the water tank is provided with the aeration pipe, at least one medicine box is fixedly arranged above the water tank, and a medicine outlet of the medicine box faces the inside of the water tank;
the pump is fixedly arranged at the bottom in the movable case, the pump is connected with the first control valve through a pipeline, and the first control valve is respectively connected with the air inlet pipe and the third control valve through pipelines; the pump is connected with the second control valve through a pipeline, and the second control valve is respectively connected with the third control valve and the liquid outlet pipe through pipelines; the third control valve is connected with the aeration pipe through a pipeline;
the water inlet pipe is communicated with the inside of the water tank;
the joints of the air inlet pipe, the liquid outlet pipe and the water inlet pipe are all arranged on the wall of the movable case and extend out of the movable case;
the control device is electrically connected with the pump, the first control valve, the second control valve and the third control valve and can control the pump, the first control valve, the second control valve and the third control valve to complete liquid inlet and outlet.
2. The tap water chlorine adding and feeding device capable of reducing electricity consumption according to claim 1, wherein the plurality of medicine boxes are mounted on the top portion of the movable type case through a fixing frame, and the medicine outlet of each medicine box faces the inside of the water tank.
3. The tap water chlorination adding device for reducing electricity consumption according to claim 1 or 2, further comprising: and the communicating vessel is communicated between the water tank and the pump.
4. The tap water chlorinator of claim 1 or claim 2 wherein the mobile housing comprises:
the bottom of the box body is fixedly provided with a plurality of trundles;
a handle is arranged on the side surface of the box body, and a heat radiation window is arranged on the side wall of the box body;
and a door leaf is arranged at the back of the box body.
5. The tap water chlorination adding device capable of reducing electricity consumption according to claim 4, wherein the number of the handles is two, and the two handles are movably installed in grooves formed in two sides of the box body through rotating shafts respectively.
6. The tap water chlorinator of claim 1 or claim 2 wherein the control means is a touch screen controller having a display screen, the display screen of the touch screen controller being located on the front face of the housing of the mobile housing.
7. The tap water chlorination adding device capable of reducing electricity consumption according to claim 1 or 2, wherein the first control valve, the second control valve and the third control valve are three-position three-way electromagnetic control valves.
CN202110945345.4A 2021-08-17 2021-08-17 Tap water chlorine adding device capable of reducing power consumption Active CN113461123B (en)

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Application Number Priority Date Filing Date Title
CN202110945345.4A CN113461123B (en) 2021-08-17 2021-08-17 Tap water chlorine adding device capable of reducing power consumption

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CN113461123B CN113461123B (en) 2023-05-23

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050242044A1 (en) * 2004-05-03 2005-11-03 Weldon Couch System, method, and apparatus for disinfecting wastewater systems
CN105417658A (en) * 2015-12-22 2016-03-23 隆润新技术发展有限公司 Dosing device and dosing method thereof
CN207330408U (en) * 2017-10-19 2018-05-08 深圳市信利特金属有限公司 A kind of dispensing box in sewage disposal system
CN108285220A (en) * 2018-03-06 2018-07-17 上海康雷分析仪器有限公司 A kind of pure water system and with water lines chlorination equipment and technique
WO2019242546A1 (en) * 2018-06-21 2019-12-26 青岛海尔滚筒洗衣机有限公司 Automatic dispensing device and control method thereof, and multi-drum washing machine
CN212334822U (en) * 2019-12-30 2021-01-12 福建省福清市诺华水务有限公司 Sewage treatment device with sewage circulation treatment function
CN213177707U (en) * 2020-07-31 2021-05-11 无锡市水务集团有限公司 Movable liquid medicament filling device

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050242044A1 (en) * 2004-05-03 2005-11-03 Weldon Couch System, method, and apparatus for disinfecting wastewater systems
CN105417658A (en) * 2015-12-22 2016-03-23 隆润新技术发展有限公司 Dosing device and dosing method thereof
CN207330408U (en) * 2017-10-19 2018-05-08 深圳市信利特金属有限公司 A kind of dispensing box in sewage disposal system
CN108285220A (en) * 2018-03-06 2018-07-17 上海康雷分析仪器有限公司 A kind of pure water system and with water lines chlorination equipment and technique
WO2019242546A1 (en) * 2018-06-21 2019-12-26 青岛海尔滚筒洗衣机有限公司 Automatic dispensing device and control method thereof, and multi-drum washing machine
CN212334822U (en) * 2019-12-30 2021-01-12 福建省福清市诺华水务有限公司 Sewage treatment device with sewage circulation treatment function
CN213177707U (en) * 2020-07-31 2021-05-11 无锡市水务集团有限公司 Movable liquid medicament filling device

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