CN114455766A - Sewage treatment equipment and method - Google Patents

Sewage treatment equipment and method Download PDF

Info

Publication number
CN114455766A
CN114455766A CN202210152118.0A CN202210152118A CN114455766A CN 114455766 A CN114455766 A CN 114455766A CN 202210152118 A CN202210152118 A CN 202210152118A CN 114455766 A CN114455766 A CN 114455766A
Authority
CN
China
Prior art keywords
filter
sewage
sewage treatment
backwashing
filtering chamber
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.)
Pending
Application number
CN202210152118.0A
Other languages
Chinese (zh)
Inventor
陈惠德
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.)
Yiputuo Guangzhou Environmental Protection Technology Co ltd
Original Assignee
Yiputuo Guangzhou Environmental Protection Technology 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 Yiputuo Guangzhou Environmental Protection Technology Co ltd filed Critical Yiputuo Guangzhou Environmental Protection Technology Co ltd
Priority to CN202210152118.0A priority Critical patent/CN114455766A/en
Publication of CN114455766A publication Critical patent/CN114455766A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00—Multistage treatment of water, waste water or sewage
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/02—Treatment of water, waste water, or sewage by heating
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/30—Treatment of water, waste water, or sewage by irradiation
    • C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
    • C02F1/325—Irradiation devices or lamp constructions
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/72—Treatment of water, waste water, or sewage by oxidation
    • C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2201/00—Apparatus for treatment of water, waste water or sewage
    • C02F2201/32—Details relating to UV-irradiation devices
    • C02F2201/322—Lamp arrangement
    • C02F2201/3227—Units with two or more lamps
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2201/00—Apparatus for treatment of water, waste water or sewage
    • C02F2201/78—Details relating to ozone treatment devices
    • C02F2201/782—Ozone generators
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2301/00—General aspects of water treatment
    • C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00—Specific treatment goals
    • C02F2303/04—Disinfection
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00—Specific treatment goals
    • C02F2303/16—Regeneration of sorbents, filters

Landscapes

  • 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)
  • Physical Water Treatments (AREA)

Abstract

The invention provides sewage treatment equipment, and belongs to the field of sewage treatment equipment. The sewage treatment device comprises a box body, wherein a first filtering chamber, a second filtering chamber and a third filtering chamber are arranged in the box body, a filter is arranged in the first filtering chamber, a heater is arranged in the second filtering chamber, an ultraviolet sterilizing lamp tube is arranged in the third filtering chamber, the filter, the heater and the ultraviolet sterilizing lamp tube are communicated through a pipeline, a sewage inlet is arranged in the first filtering chamber, a sewage power pump is arranged at the sewage inlet and communicated with the filter, a clean water outlet is arranged at the third filtering chamber, and a sewage treatment method is further provided. Compared with the prior art, the invention adopts a multiple filtration mode, can effectively remove solid particles, organic waste, bacteria, fungi and the like, has better cleaning effect, has a back washing function, prolongs the service life of the filter element and reduces the cost.

Description

Sewage treatment equipment and method
Technical Field
The invention belongs to the field of sewage treatment equipment, and particularly relates to sewage treatment equipment and a sewage treatment method.
Background
Sewage treatment, as its name implies, is a process in which sewage is purified to meet the water quality requirements for discharge into a water body or reuse. The sewage treatment is a means and a mode for recycling sewage, is widely applied to various fields such as clothes, food, living, walking and the like, and increasingly enters the daily life of common people, and the sewage treatment equipment can effectively treat the sewage and the wastewater in the related fields, prevent the sewage and pollutants from directly flowing into a water area, and has important significance for improving the ecological environment, improving the urban quality and promoting the economic development.
The current sewage treatment equipment usually adopts a filter to filter particles, adopts a heavy filter to simply filter, has poor sewage treatment effect generally, can only remove particles visible to the naked eye, and filter elements in the filter easily accumulate the particles in the use process to cause the reduction of the filtering effect, so that the filter plates need to be replaced regularly or cleaned regularly, and the use is inconvenient. In view of this, the present invention provides a sewage treatment apparatus and a sewage treatment method.
Disclosure of Invention
In order to solve the problems, the invention provides sewage treatment equipment and a sewage treatment method, which adopt a multi-filtration mode, can effectively remove solid particles, organic waste, bacteria, fungi and the like, have better cleaning effect, have a back washing function, prolong the service life of a filter element and reduce the cost.
The invention is realized by the following technical scheme:
the utility model provides a sewage treatment device, includes the box, be provided with first filter chamber, second filter chamber and third filter chamber in the box, be provided with the filter in the first filter chamber, be provided with the heater in the second filter chamber, be provided with ultraviolet germicidal lamp in the third filter chamber, filter, heater and ultraviolet germicidal lamp pass through the pipeline intercommunication, be provided with sewage entry in the first filter chamber, sewage entry is provided with sewage power pump, this sewage power pump with the filter intercommunication, third filter chamber department is provided with the clean water export.
As a preferred technical scheme, the sewage power pump is also connected with a sand cylinder filter.
As a preferred technical scheme, the top of the ultraviolet sterilizing lamp tube is also provided with an ozone generating device, and the ozone generating device is communicated with the ultraviolet sterilizing lamp tube.
As a preferable technical scheme, two ultraviolet sterilizing lamp tubes are arranged.
As a preferred solution, two filters are provided.
As a preferred technical scheme, the sewage treatment device further comprises a back washing mechanism, wherein the back washing mechanism comprises a high-pressure pump, a back washing pipeline and a back washing self-sucking pump, the back washing pipeline is communicated with the filter, the high-pressure pump is communicated with the back washing pipeline, and the back washing self-sucking pump is communicated with the sewage inlet.
As a preferred technical scheme, an electric switch is arranged on the back washing mechanism.
As a preferred technical scheme, the box body is provided with a cover body, the cover body is provided with a plurality of gas spring support rods for opening and closing the cover body, and springs are connected between the cover body and the box body.
A treatment method of sewage treatment equipment is characterized in that: comprises the following steps of (a) carrying out,
SS1, starting a sewage power pump to enable sewage to pass through a sand cylinder filter and a filter for primary filtration;
SS2, starting a heater to quickly heat the filtered water in the SS1 step to 60-70 ℃ for high-temperature sterilization;
SS3, starting the ultraviolet sterilizing lamp tube and the ozone generating device to sterilize and disinfect the high-temperature sterilizing water in the SS2 by ultraviolet rays and ozone in the ultraviolet sterilizing lamp tube;
SS4, and discharging the treated clean water.
As a preferred technical scheme, an electric switch is turned on periodically, a high-pressure pump and a backwashing self-sucking pump are started, and a filter is backwashed through a backwashing pipeline.
Has the advantages that:
the invention carries on sewage treatment to sewage through the first filter chamber, the second filter chamber and the third filter chamber, after the filtration of the first filter chamber, the heating disinfection of the second filter chamber and the ultraviolet disinfection and ozone disinfection of the third filter chamber, removes the impurity, organic and inorganic waste, bacteria and fungi in the sewage to realize the treatment to sewage, at the same time, it also has back flush mechanism, through the function of back flush mechanism, realizes the back flush to the filter, makes the filter self-cleaning, avoids the impurity blocking the filter, so as to ensure the frequent use of the filter, besides, the invention also provides a sewage treatment device, uses the sewage power pump to pump sewage, then carries on double filtration through the sand jar filter and the filter, carries on rapid heating disinfection through the heater, finally carries on disinfection through the function of ultraviolet sterilizing lamp and ozone generator, the sewage is changed into clean water, so that the sewage treatment is more efficient and faster.
Drawings
FIG. 1 is a perspective view of a sewage treatment apparatus;
fig. 2 is an internal structure view of the cabinet of fig. 1.
The attached drawings are as follows:
100. a box body; 101. a first filtering chamber; 102. a second filtering chamber; 103. a third filtration chamber; 104. a filter; 105. a heater; 106. an ultraviolet germicidal lamp tube; 107. an ozone generating device; 108. a sewage inlet; 109. a clean water outlet; 110. a sand cylinder filter; 111. a high pressure pump; 112. flushing the pipeline; 113. a sewage power pump; 114. a backwash self-priming pump; 115. an electric switch; 200. a cover body; 201. a gas spring strut; 202. a spring.
Detailed Description
In order to further disclose and explain the technical scheme of the invention, the following clearly and completely explains the sewage treatment equipment and the sewage treatment method by combining the attached drawings.
It should be noted that the terms "in", "in" and "an" are used herein for the sake of clarity only, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be considered as the scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 in the present invention can be understood by those of ordinary skill in the art through specific situations.
Example (b):
referring to fig. 1 and 2, the present invention provides a sewage treatment apparatus, including a tank 100, a first filtering chamber 101, a second filtering chamber 102 and a third filtering chamber 103 are arranged in the tank 100, a filter 104 is arranged in the first filtering chamber 101, a heater 105 is arranged in the second filtering chamber 102, an ultraviolet germicidal lamp tube 106 is arranged in the third filtering chamber 103, the filter 104, the heater 105 and the ultraviolet germicidal lamp tube 106 are communicated through a pipeline, a sewage inlet 108 is arranged in the first filtering chamber 101, a sewage power pump 113 is arranged at the sewage inlet 108, the sewage power pump 113 is communicated with the filter 104, a clean water outlet 109 is arranged at the third filtering chamber 103, when in operation, sewage is filtered once through the first filtering chamber 101 by the filter 104 in the first filtering chamber 101 to remove solid particles in sewage, after the first filtering chamber 101 is filtered, the filtered water passes through the second filtering chamber 102, the heater 105 in the second filtering chamber 102 sterilizes the water quickly, the heated water passes through the third filtering chamber 103, the ultraviolet sterilizing lamp 106 in the third filtering chamber 103 sterilizes the water by ultraviolet, and finally the clean water is discharged by the sewage power pump 113.
Specifically, the sewage power pump 113 is further connected with a sand cylinder filter 110, the sand cylinder filter 110 can perform primary filtration, and during actual use, the sand cylinder filter 110 and the filter 104 are used for filtering the solid particles in a gradient manner one by one, so that the solid particles are filtered in a gradient manner step by step, the filtering pressure of the sand pot filter 104 and the filter 104 can be relieved, the service life of the equipment is longer, and the maintenance frequency is reduced.
Specifically, the top of the ultraviolet germicidal lamp tube 106 is further provided with an ozone generating device 107, the ozone generating device 107 is communicated with the ultraviolet germicidal lamp tube 106, and through the action of the ozone generating device 107, the ozone and the ultraviolet germicidal lamp simultaneously sterilize water in the third filtering chamber 103, so that the sterilizing effect is better.
Furthermore, the number of the ultraviolet sterilizing lamp tubes 106 is two, and the two ultraviolet sterilizing lamp tubes 106 can enable more sterilizing channels and higher treatment efficiency.
Specifically, there are two filters 104, and there are two filters 104, so that the filtering effect of the first filtering chamber 101 is better.
Specifically, the backwashing device further comprises a backwashing mechanism, the backwashing mechanism comprises a high-pressure pump 111, a backwashing pipeline 112 and a backwashing self-sucking pump 114, the backwashing pipeline 112 is communicated with the filter 104, the high-pressure pump 111 is communicated with the backwashing pipeline 112, the backwashing self-sucking pump 114 is communicated with the sewage inlet 108, the backwashing pipeline 112 realizes water flow backwashing on the filter 104 by opening the high-pressure pump 111 and the backwashing self-sucking pump 114, and during the backwashing process, clean water outside the device is pumped by the high-pressure pump 111.
Furthermore, an electric switch 115 is arranged on the backwashing mechanism, and the backwashing pipeline 112 can be conducted by opening the electric switch 115, so that the high-pressure pump 111 and the backwashing self-priming pump 114 can operate.
Specifically, the case 100 is provided with a cover 200, the cover 200 is provided with a plurality of gas spring support rods 201 for opening and closing the cover 200, a spring 202 is further connected between the cover 200 and the case 100, the cover 200 can be opened and closed through the gas spring support rods 201, so as to protect the mechanism inside the device, and the spring 202 can be used for protecting the cover 200.
A treatment method of sewage treatment equipment is characterized in that: comprises the following steps of (a) carrying out,
SS1, starting a sewage power pump 113 to make sewage pass through the sand cylinder filter 110 and the filter 104 for preliminary filtration;
SS2, starting a heater 105 to rapidly heat the filtered water in the SS1 step to 60-70 ℃ for high-temperature sterilization;
SS3, starting up ultraviolet sterilizing lamp tube 106 and ozone generator 107 to make the high-temperature sterilizing water in SS2 be sterilized and disinfected in the ultraviolet sterilizing lamp tube 106 by ultraviolet rays and ozone;
SS4, and discharging the treated clean water.
Specifically, electric switch 115 is periodically turned on, high-pressure pump 111 and backwash self-priming pump 114 are activated, and filter 104 is backwashed through backwash conduit 112.
The invention carries out sewage treatment on sewage through a first filtering chamber 101, a second filtering chamber 102 and a third filtering chamber 103, removes impurities, organic and inorganic wastes, bacteria and fungi in the sewage to realize the sewage treatment after the filtering of the first filtering chamber 101, the heating disinfection of the second filtering chamber 102 and the ultraviolet disinfection and ozone disinfection of the third filtering chamber 103, and simultaneously is also provided with a back flushing mechanism, realizes the back flushing of a filter 104 through the action of the back flushing mechanism, so that the filter 104 can be self-cleaned, the filter 104 is prevented from being blocked by the impurities, and the frequent use of the filter 104 is ensured, in addition, the invention also provides sewage treatment equipment, which utilizes a sewage power pump 113 to pump the sewage, then carries out double filtering through a sand cylinder filter 110 and the filter 104, and carries out rapid heating sterilization through a heater 105, finally, the sewage is sterilized and disinfected through the action of the ultraviolet sterilizing lamp tube 106 and the ozone generator, so that the sewage is changed into clean water, and the sewage treatment is more efficient and faster.
The present invention is not limited to the above-described embodiments, and various modifications and variations of the present invention are included if they do not depart from the spirit and scope of the present invention, and they are within the scope of the claims and the equivalent technology of the present invention.

Claims (10)

1. A sewage treatment device is characterized in that: the novel water purifier comprises a box body, be provided with first filter chamber, second filter chamber and third filter chamber in the box, be provided with the filter in the first filter chamber, be provided with the heater in the second filter chamber, be provided with ultraviolet germicidal lamp in the third filter chamber, filter, heater and ultraviolet germicidal lamp pass through the pipeline intercommunication, be provided with sewage entry in the first filter chamber, sewage entry is provided with sewage power pump, this sewage power pump with the filter intercommunication, third filter chamber department is provided with the clean water export.
2. The sewage treatment apparatus of claim 1, wherein: the sewage power pump is also connected with a sand cylinder filter.
3. The sewage treatment apparatus of claim 1, wherein: the top of the ultraviolet sterilizing lamp tube is also provided with an ozone generating device which is communicated with the ultraviolet sterilizing lamp tube.
4. The sewage treatment apparatus of claim 1, wherein: the number of the ultraviolet sterilizing lamp tubes is two.
5. The sewage treatment apparatus according to claim 1, wherein: the filter is provided with two.
6. The sewage treatment apparatus of claim 1, wherein: the sewage treatment device is characterized by further comprising a backwashing mechanism, wherein the backwashing mechanism comprises a high-pressure pump, a backwashing pipeline and a backwashing self-sucking pump, the backwashing pipeline is communicated with the filter, the high-pressure pump is communicated with the backwashing pipeline, and the backwashing self-sucking pump is communicated with the sewage inlet.
7. The sewage treatment apparatus of claim 6, wherein: an electric switch is arranged on the backwashing mechanism.
8. The sewage treatment apparatus of claim 1, wherein: the box is provided with a cover body, the cover body is provided with a plurality of air spring support rods for opening and closing the cover body, and springs are connected between the cover body and the box.
9. A treatment method of sewage treatment equipment is characterized in that: comprises the following steps of (a) carrying out,
SS1, starting a sewage power pump to primarily filter sewage through a sand cylinder filter and a filter;
SS2, starting a heater to quickly heat the filtered water in the SS1 step to 60-70 ℃ for high-temperature sterilization;
SS3, starting the ultraviolet sterilizing lamp tube and the ozone generating device to sterilize and disinfect the high-temperature sterilizing water in the SS2 by ultraviolet rays and ozone in the ultraviolet sterilizing lamp tube;
SS4, and discharging the treated clean water.
10. The treatment method of a sewage treatment apparatus according to claim 9, characterized in that: and (3) periodically turning on the electric switch, starting the high-pressure pump and the backwashing self-sucking pump, and backwashing the filter through a backwashing pipeline.
CN202210152118.0A 2022-02-18 2022-02-18 Sewage treatment equipment and method Pending CN114455766A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210152118.0A CN114455766A (en) 2022-02-18 2022-02-18 Sewage treatment equipment and method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210152118.0A CN114455766A (en) 2022-02-18 2022-02-18 Sewage treatment equipment and method

Publications (1)

Publication Number Publication Date
CN114455766A true CN114455766A (en) 2022-05-10

Family

ID=81414660

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210152118.0A Pending CN114455766A (en) 2022-02-18 2022-02-18 Sewage treatment equipment and method

Country Status (1)

Country Link
CN (1) CN114455766A (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110194550A (en) * 2019-06-14 2019-09-03 佛山市南海盛夏卫浴有限公司 Swimming pool is without medicine decontamination cycle filter plant
CN211141779U (en) * 2019-09-20 2020-07-31 王锐涵 Swimming pool water filtering and sterilizing purifier
CN214167667U (en) * 2020-09-09 2021-09-10 尚水科林(洛阳)环保科技有限公司 Domestic sewage filtration equipment
CN214734678U (en) * 2021-02-06 2021-11-16 湖南普斯赛特光电科技有限公司 Swimming pool disinfection system and swimming pool

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110194550A (en) * 2019-06-14 2019-09-03 佛山市南海盛夏卫浴有限公司 Swimming pool is without medicine decontamination cycle filter plant
CN211141779U (en) * 2019-09-20 2020-07-31 王锐涵 Swimming pool water filtering and sterilizing purifier
CN214167667U (en) * 2020-09-09 2021-09-10 尚水科林(洛阳)环保科技有限公司 Domestic sewage filtration equipment
CN214734678U (en) * 2021-02-06 2021-11-16 湖南普斯赛特光电科技有限公司 Swimming pool disinfection system and swimming pool

Similar Documents

Publication Publication Date Title
CN201560155U (en) Sewage recovery unit
CN211644923U (en) Aluminum industry effluent treatment plant
CN209778558U (en) Domestic sewage purification device
CN114455766A (en) Sewage treatment equipment and method
CN208802951U (en) A kind of wastewater treatment equipment
CN216918892U (en) Sewage treatment purifier capable of performing water circulation
CN211813922U (en) Sewage filtering and disinfecting integrated device
CN2934225Y (en) Health bathing polluted water circulation purifying apparatus
CN211546201U (en) Circulation treatment device for sewage treatment
CN113387496A (en) Compound rural sewage treatment filter equipment
CN210030250U (en) Reclaimed water recovery and purification treatment device
CN108928988A (en) A kind of tap water purifying chlorination equipment
CN212246611U (en) Whole house water purification system
CN217013592U (en) Electric heating water dispenser capable of prolonging service life
CN211311193U (en) Sewage treatment plant for municipal works
CN214829696U (en) Sewage treatment plant of green building
CN213446350U (en) Sterilizing equipment for supplying tap water
CN215965241U (en) Waste liquid collecting and cleaning device capable of preventing bacteria from breeding
CN217202390U (en) Novel photocatalysis's water purification unit
CN211813953U (en) Novel household water purifier
CN211946635U (en) Device capable of purifying waste water
CN219546769U (en) Sterilizing and scale-reducing device for water heater
CN108975575A (en) A kind of pure water production system
CN219279698U (en) Filtration equipment for drinking water treatment
CN210569180U (en) Electric water heater with soft water and purified water pretreatment integrated module

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20220510

RJ01 Rejection of invention patent application after publication