CN109179754A - A kind of accurate control water treatment facilities - Google Patents

A kind of accurate control water treatment facilities Download PDF

Info

Publication number
CN109179754A
CN109179754A CN201811106423.6A CN201811106423A CN109179754A CN 109179754 A CN109179754 A CN 109179754A CN 201811106423 A CN201811106423 A CN 201811106423A CN 109179754 A CN109179754 A CN 109179754A
Authority
CN
China
Prior art keywords
water
dechlorination
clean unit
valve
controller
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN201811106423.6A
Other languages
Chinese (zh)
Inventor
徐承迪
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.)
Hangzhou Rabbit Network Technology Co Ltd
Hangzhou Yitu Network Technology Co Ltd
Original Assignee
Hangzhou Rabbit Network 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 Hangzhou Rabbit Network Technology Co Ltd filed Critical Hangzhou Rabbit Network Technology Co Ltd
Priority to CN201811106423.6A priority Critical patent/CN109179754A/en
Publication of CN109179754A publication Critical patent/CN109179754A/en
Withdrawn legal-status Critical Current

Links

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
    • C02F1/28—Treatment of water, waste water, or sewage by sorption
    • C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
    • 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
    • C02F1/58—Treatment of water, waste water, or sewage by removing specified dissolved compounds
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00—Nature of the contaminant
    • C02F2101/10—Inorganic compounds
    • C02F2101/12—Halogens or halogen-containing compounds
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents

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)
  • Water Treatment By Sorption (AREA)

Abstract

The present invention provides a kind of accurate control water treatment facilities, and the equipment includes: the water chloride ion cleaning module and water softening module of connection, and the water chloride ion cleaning module includes the first clean unit and the second clean unit being sequentially communicated；In the water softening module, milk of lime is pumped into saturator by liquid pump by milk of lime storage tank, and the saturator is connected to by the first conciliation valve with the water outlet of the second clean unit, and the water outlet of second clean unit is connected to by the second control valve with clarifying basin；The liquid of the saturator top outflow similarly flows into the clarifying basin；It further include controller, first clean unit, the second clean unit and water softening module are controlled by the controller.The present invention realizes the accurate control for water process links by acquisition to water process links relevant parameter and the relevant control strategy of design, and the degree of automation is higher.

Description

A kind of accurate control water treatment facilities
Technical field
The present invention relates to environment protection field more particularly to a kind of accurate control water treatment facilities.
Background technique
The mode of water process includes physical treatment and chemical treatment.The mode that the mankind carry out water process has had quite for many years History, the physical method filter material different including the use of various pore sizes are arranged the impurity in water in the way of absorption or barrier Except outside, more important person is to be adsorbed with active carbon in suction type, blocking method be then water is allowed by filter material volume compared with Big impurity can not pass through, and then obtain more clean water.In addition, physical method also includes the precipitation method, exactly allow specific gravity compared with Small impurity, which is bubbled through the water column, to be pulled out or the biggish contamination precipitation of specific gravity is under, and then is obtained.Chemical method is then using various Chemicals converts impurities in water to the lesser substance of human injury, or impurity is concentrated, at the chemistry of history at most Reason method should can be added to the water with alum at last, and after impurities in water set, volume becomes larger, and filtration method can be used, by impurity Removal.
But various method for treating water cut both ways, and the degree of automation is relatively low, have no idea to realize accurate control.
Summary of the invention
In order to solve the above technical problem, the present invention provides a kind of accurate control water treatment facilities.
The present invention is realized with following technical solution:
A kind of accurate control water treatment facilities, the equipment include:
The water chloride ion cleaning module and water of connection soften module, and the water chloride ion cleaning module includes being sequentially communicated First clean unit and the second clean unit；In the water softening module, milk of lime is pumped into full by milk of lime storage tank by liquid pump And device, the saturator are connected to by the first conciliation valve with the water outlet of the second clean unit, second clean unit Water outlet is connected to by the second control valve with clarifying basin；The liquid of the saturator top outflow similarly flows into the clarification Pond；
It further include controller, first clean unit, the second clean unit and water softening module are controlled by the control Device processed.
Further, first control valve and the second control valve are controlled by the controller, the controller The bicarbonate ion concentration of clarifying basin described in timing acquisition, and control strategy is addressed under executing:
If the bicarbonate ion concentration is higher than default high level, increases first and reconcile flow at valve, reduces the Flow at two control valves；
If the bicarbonate ion concentration is lower than predetermined low level, reduces first and reconcile flow at valve, increase the Flow at two control valves.
Further, the main part of the first clean unit be dechlorination deoxygenation pond, the water outlet in dechlorination deoxygenation pond with The water inlet of second clean unit is connected to；Be provided in the dechlorination deoxygenation pond dechlorination scavenger concentration monitoring sensor and chlorine from Sub- concentration monitor sensor, dechlorination deoxygenation pond are also connected to dechlorination oxygen scavenger storage pool by the first controlling valve；
The main part of second clean unit is a kind of active carbon filtration tank that can be rotated along vertical axis.
Further, the dechlorination scavenger concentration monitoring sensor is controlled by with chlorine ion concentration monitoring sensor The controller, and instructed in response to the clocked flip of the controller, acquire the dechlorination oxygen scavenger in dechlorination deoxygenation pond Concentration and chlorine ion concentration, and the dechlorination scavenger concentration and chlorine ion concentration are transmitted to the controller, in order to institute It states controller and controls the opening time of the first controlling valve and the velocity of rotation of active carbon filtration tank.
Further, if dechlorination scavenger concentration is lower than predetermined low level, the first controlling valve, first controlling valve are opened Opening time meet following formulaWherein, ρ (O) is pending water raw water In dissolved oxygen concentration, ρ (Cl) is the chlorine ion concentration in pending water raw water, and V is that the dechlorination after the first controlling valve is opened removes Oxygen agent flow velocity, ρ (Na2SO3) be current first clean unit dechlorination scavenger concentration, R is the liquid bulk in dechlorination deoxygenation pond Product,It is the first Calculating dose, K1For first composition coefficient, K2For second composition coefficient, K3For third ingredient coefficient；Wherein, respectively A ingredient coefficient is related with the specific ingredient in pending water raw water, and different for ingredient its value of pending water raw water can be with It is varied；
According to formulaControl the velocity of rotation of active carbon filtration tank, whereinFor rotational constant, κ is consume system Number uses time correlation with what active carbon in each chamber was starched, and N is the number of chamber, and L is the thickness of active carbon slurry in chamber, ρinIt is the chlorine ion concentration measured, ρoutThe chlorine ion concentration being desirable in the pending water of the second clean unit output.
In the description of the invention, it is to be understood that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower", The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description the invention and simplifies description, rather than indicate Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand For the limitation to the invention.In addition, term " first ", " second " etc. are used for description purposes only, and should not be understood as indicating Or it implies relative importance or implicitly indicates the quantity of indicated technical characteristic." first ", " second " etc. are defined as a result, Feature can explicitly or implicitly include one or more of the features.In the description of the invention, unless separately It is described, the meaning of " plurality " is two or more.
In the description of the invention, it should be noted that unless otherwise clearly defined and limited, term " peace Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary, It can be the connection inside two elements.For the ordinary skill in the art, on being understood by concrete condition State concrete meaning of the term in the invention.
The beneficial effects of the present invention are:
A kind of accurate control water treatment facilities are provided in the present invention, by adopting to water process links relevant parameter Collecting and designing relevant control strategy realizes accurate control for water process links, and the degree of automation is higher.
Detailed description of the invention
Fig. 1 is a kind of accurate control water treatment facilities schematic diagram provided in this embodiment；
Fig. 2 is the second clean unit schematic diagram provided in this embodiment；
Fig. 3 is dechlorination deoxygenation provided in this embodiment pond schematic diagram；
Fig. 4 is water softening module diagram provided in this embodiment.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, the present invention will be made below further detailed Description.
The embodiment of the present invention provides a kind of accurate control water treatment facilities, as shown in Figure 1, the equipment includes the water of connection Chloride ion cleaning module 1 and water soften module 2, and the water chloride ion cleaning module 1 includes the first clean unit being sequentially communicated 11 and second clean unit 12, first clean unit 11 is used for the chloride ion and dissolved oxygen gone in pending water, and described the Two clean units 12 are used for the chlorine residue further gone in water removal；The water removal of impurities softening equipment further includes controller.
Specifically, the main part of second clean unit 12 is a kind of active carbon mistake that can be rotated along vertical axis Filter tower, as shown in Fig. 2, the tower body of the filtration tank is isolated into multiple chambers by multiple horizontally disposed porous barriers 121 122, the hole diameter on each porous barrier 121 is enough flowed through with water energy but active carbon slurry can not flow through is advisable.Each chamber In be provided with active carbon slurry and be passed through mouth, each charcoal slurry is passed through mouth and be connected to booster water pump 123, the booster water pump 123 and Active carbon is starched storage pool 124 and is connected to.The top of the chamber of top layer is connected to water purifying tank 125, and the water purifying tank 125 is to be processed Water carries out purification filtering.
The tower bottom of the active carbon filtration tank is provided with water inlet, the water outlet company of the water inlet and the first clean unit It is logical.The pending water passes through each chamber by the water inlet from bottom to top, and finally by being set to water purifying tank upper side Water outlet discharge.
COD concentration monitoring device is provided in the water purifying tank, the COD concentration monitoring device is communicated with the controller, with The COD concentration in the water purifying tank is acquired in time convenient for the controller, if the COD concentration reaches preset threshold, is issued Layer of charcoal Notification of Changes.The layer of charcoal Notification of Changes for notifying administrator by the partition of the lowermost layer of the active carbon filtration tank and Active carbon slurry (charcoal slurry has reached saturation state at this time, can not the adsorb more impurity again) removal being placed on the partition, and Each partition and its corresponding charcoal slurry are successively moved down one layer, and the partition of the former bottom is reinserted into filtration tank most Upper layer, and new active carbon slurry is supplemented for it, and so on, repeat.
The main part of first clean unit be dechlorination deoxygenation pond 111, pending water flow into dechlorination deoxygenation pond and from The water outlet in dechlorination deoxygenation pond flows out, and the water outlet is connected to the water inlet of the second clean unit.As shown in figure 3, institute It states and is provided with dechlorination scavenger concentration monitoring sensor 112 and chlorine ion concentration monitoring sensor 113 in dechlorination deoxygenation pond 111, Dechlorination deoxygenation pond 111 is also connected to dechlorination oxygen scavenger storage pool 114 by the first controlling valve 115, the dechlorination oxygen scavenger Preferably sodium sulfite.
The dechlorination scavenger concentration monitoring sensor and chlorine ion concentration monitoring sensor are controlled by the control Device, and instructed in response to the clocked flip of the controller, acquire the dechlorination scavenger concentration and chlorine in dechlorination deoxygenation pond Ion concentration, and the dechlorination scavenger concentration and chlorine ion concentration are transmitted to the controller, in order to the controller Control the opening time of the first controlling valve and the velocity of rotation of active carbon filtration tank.
Specifically, the control logic of the controller includes:
(1) controller controls the control logic of the first controlling valve according to dechlorination scavenger concentration are as follows:
If dechlorination scavenger concentration is lower than predetermined low level, the first controlling valve is opened, when the unlatching of first controlling valve Between meet following formulaWherein, ρ (O) is the dissolution in pending water raw water Oxygen concentration, ρ (Cl) are the chlorine ion concentrations in pending water raw water, and V is the dechlorination oxygen scavenger flow velocity after the first controlling valve is opened, ρ(Na2SO3) be current first clean unit dechlorination scavenger concentration, R is the liquid volume in dechlorination deoxygenation pond,It is first Calculating dose, K1For first composition coefficient, K2For second composition coefficient, K3For third ingredient coefficient.Wherein, each ingredient coefficient Related with the specific ingredient in pending water raw water, different for ingredient its value of pending water raw water can be varied, The effect of the first clean unit is to carry out preliminary dechlorination deoxygenation in embodiments of the present invention, to reduce as far as possible molten in water Solve damage of the oxygen for the performance of active carbon in the second clean unit.In embodiments of the present invention, first composition coefficient value 63, Second composition coefficient value 8, third ingredient coefficient value 71, the first Calculating dose value is between 2-3.
(2) controller controls the logic of active carbon filtration tank velocity of rotation according to chlorine ion concentration are as follows:
According to formulaControl the velocity of rotation of active carbon filtration tank, whereinFor rotational constant, κ is consume system Number uses time correlation with what active carbon in each chamber was starched, and N is the number of chamber, and L is the thickness of active carbon slurry in chamber, ρinIt is the chlorine ion concentration measured, ρoutThe chlorine ion concentration being desirable in the pending water of the second clean unit output.
It is described as shown in figure 4, milk of lime is pumped into saturator 23 by liquid pump 22 by milk of lime storage tank 21 in water softening module Saturator 23 is connected to by the first conciliation valve 231 with the water outlet of water purifying tank upper side in the second clean unit, and described second The water outlet of water purifying tank upper side is connected to by the second control valve 232 with clarifying basin 24 in clean unit, the saturator 23 The liquid of top outflow similarly flows into the clarifying basin 24.The clarifying basin 24 and sedimentation basin 25, sand filter 26 and clear water reserviors 27 are sequentially communicated, and further include the first adding mouth for adding tertiary sodium phosphate and sulfuric acid and for adding sodium in the clear water reserviors 27 Second adding mouth of ion-exchanger, the effect of the tertiary sodium phosphate and sulfuric acid are stabilizing water quality, prevent in sodium ion exchange Sediment is generated in agent.The water of the clear water reserviors discharge is the raw water that can be used as the industry such as boiler factory.
Specifically, 23 bottom of saturator is provided with first entrance and second entrance, the liquid pump by milk of lime via The first entrance is pumped into saturator, enters the saturator via second entrance by the pending water of the second clean unit, The pending water becomes lime saturated solution by milk of lime, and flows out from the top of the saturator, then flows into clear Clear pond.
Specifically, first control valve and the second control valve are controlled by the controller, and the controller is fixed When obtain the bicarbonate ion concentration of the clarifying basin, and address control strategy under executing:
If the bicarbonate ion concentration is higher than default high level, increases first and reconcile flow at valve, reduces the Flow at two control valves；
If the bicarbonate ion concentration is lower than predetermined low level, reduces first and reconcile flow at valve, increase the Flow at two control valves.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme 's.
It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit It is that each unit physically exists alone, can also be integrated in one unit with two or more units.Above-mentioned integrated list Member both can take the form of hardware realization, can also realize in the form of software functional units.
It should be understood that the sequencing of the embodiments of the present invention is for illustration only, the excellent of embodiment is not represented It is bad.
Those of ordinary skill in the art will appreciate that realizing that all or part of the steps of above-described embodiment can pass through hardware It completes, relevant hardware can also be instructed to complete by program, the program can store in a kind of computer-readable In storage medium, storage medium mentioned above can be read-only memory, disk or CD etc..
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.

Claims (5)

1. a kind of accurate control water treatment facilities, which is characterized in that the equipment includes:
The water chloride ion cleaning module and water of connection soften module, and the water chloride ion cleaning module includes first be sequentially communicated Clean unit and the second clean unit；In the water softening module, milk of lime is pumped into saturator by liquid pump by milk of lime storage tank, The saturator is connected to by the first conciliation valve with the water outlet of the second clean unit, the water outlet of second clean unit It is connected to by the second control valve with clarifying basin；The liquid of the saturator top outflow similarly flows into the clarifying basin；
It further include controller, first clean unit, the second clean unit and water softening module are controlled by the controller.
2. equipment according to claim 1, it is characterised in that:
First control valve and the second control valve are controlled by the controller, clear described in the controller timing acquisition The bicarbonate ion concentration in clear pond, and control strategy is addressed under executing:
If the bicarbonate ion concentration is higher than default high level, increases the flow at the first conciliation valve, reduce second and adjust Save the flow at valve；
If the bicarbonate ion concentration is lower than predetermined low level, reduces the flow at the first conciliation valve, increase second and adjust Save the flow at valve.
3. equipment according to claim 1, it is characterised in that:
The main part of first clean unit is dechlorination deoxygenation pond, the water outlet in dechlorination deoxygenation pond and the second clean unit Water inlet connection；Dechlorination scavenger concentration monitoring sensor and chlorine ion concentration monitoring sensing are provided in dechlorination deoxygenation pond Device, dechlorination deoxygenation pond are also connected to dechlorination oxygen scavenger storage pool by the first controlling valve；
The main part of second clean unit is a kind of active carbon filtration tank that can be rotated along vertical axis.
4. equipment according to claim 3, it is characterised in that:
The dechlorination scavenger concentration monitoring sensor and chlorine ion concentration monitoring sensor are controlled by the controller, and In response to the clocked flip instruction of the controller, acquires dechlorination scavenger concentration in dechlorination deoxygenation pond and chloride ion is dense Degree, and is transmitted to the controller for the dechlorination scavenger concentration and chlorine ion concentration, in order to controller control the The opening time of one controlling valve and the velocity of rotation of active carbon filtration tank.
5. equipment according to claim 4, it is characterised in that:
If dechlorination scavenger concentration is lower than predetermined low level, the first controlling valve, the opening time symbol of first controlling valve are opened Close following formulaWherein, ρ (O) is that the dissolved oxygen in pending water raw water is dense Degree, ρ (Cl) are the chlorine ion concentrations in pending water raw water, and V is the dechlorination oxygen scavenger flow velocity after the first controlling valve is opened, ρ (Na2SO3) be current first clean unit dechlorination scavenger concentration, R is the liquid volume in dechlorination deoxygenation pond,It is first Calculating dose, K1For first composition coefficient, K2For second composition coefficient, K3For third ingredient coefficient；Wherein, each ingredient coefficient Related with the specific ingredient in pending water raw water, different for ingredient its value of pending water raw water can be varied；
According to formulaControlling the velocity of rotation of active carbon filtration tank, wherein θ is rotational constant, and κ is coefficient of losses, with What active carbon was starched in each chamber uses time correlation, and N is the number of chamber, and L is the thickness of active carbon slurry in chamber, ρinIt is to survey The chlorine ion concentration obtained, ρoutThe chlorine ion concentration being desirable in the pending water of the second clean unit output.
CN201811106423.6A 2018-09-21 2018-09-21 A kind of accurate control water treatment facilities Withdrawn CN109179754A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811106423.6A CN109179754A (en) 2018-09-21 2018-09-21 A kind of accurate control water treatment facilities

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811106423.6A CN109179754A (en) 2018-09-21 2018-09-21 A kind of accurate control water treatment facilities

Publications (1)

Publication Number Publication Date
CN109179754A true CN109179754A (en) 2019-01-11

Family

ID=64909274

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811106423.6A Withdrawn CN109179754A (en) 2018-09-21 2018-09-21 A kind of accurate control water treatment facilities

Country Status (1)

Country Link
CN (1) CN109179754A (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101041487A (en) * 2007-03-20 2007-09-26 山东布莱恩化工技术有限公司 Pretreatment method for sulfate radical removal from salt water by membrane process
CA2672316A1 (en) * 2009-07-10 2011-01-10 Christopher Kato Water treatment process
CN102358647A (en) * 2011-09-19 2012-02-22 哈尔滨工业大学水资源国家工程研究中心有限公司 Water softening device and method

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101041487A (en) * 2007-03-20 2007-09-26 山东布莱恩化工技术有限公司 Pretreatment method for sulfate radical removal from salt water by membrane process
CA2672316A1 (en) * 2009-07-10 2011-01-10 Christopher Kato Water treatment process
CN102358647A (en) * 2011-09-19 2012-02-22 哈尔滨工业大学水资源国家工程研究中心有限公司 Water softening device and method

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
许保玖: "《给水处理》", 31 May 1979, 中国建筑工业出版社 *

Similar Documents

Publication Publication Date Title
CN102167463A (en) Water disposal facility and method
US4592841A (en) Equipment and process for the treatment of swimming pool water with a semi-permeable membrane
CN108623024B (en) Water purifier and water purification system
CN209052473U (en) A kind of tap water detection filter device
JP2007252396A (en) Manufacturing device and manufacturing method of medical purpose dialysis fluid
CN108483711A (en) Lithium fluoride sewage treatment equipment and its processing method
CN205662395U (en) Circulation water treatment facilities
CN109179754A (en) A kind of accurate control water treatment facilities
CN109179696A (en) A kind of water removal of impurities melded system
CN110228862A (en) A kind of full-automatic water pre-treatment means
CN110228861A (en) A kind of water treatment system
CN107555625A (en) Drink water softening process
CN207699397U (en) A kind of circular water treating system for swimming pool
CN208120845U (en) Seawater Essence enrichment facility and seawater circulation purification system
CN206915888U (en) A kind of disc tube reverse osmosis (dt-ro) system modular pretreatment unit
CN106040007A (en) Ultrafiltration circulating cleaning system
CN102923881B (en) Seawater circulating filtration and disinfection system for seawater swimming pool and seawater circulating filtration and disinfection method therefor
CN215886630U (en) Defluorination device for high-salinity wastewater
CN205419987U (en) Water treatment system for swimming pool
CN107601748A (en) A kind of desulfurization wastewater Zero discharging system
CN208517177U (en) A kind of wastewater treatment equipment and waste water treatment system
WO2021175795A1 (en) Liquid treatment product and method with a gas-producing compound
CN211111200U (en) Immersed ultrafiltration membrane water purification treatment device for conventional pollution of drinking water
CN107758921A (en) A kind of pure water production system
CN113620477A (en) Defluorination device and method for high-salinity wastewater

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

Application publication date: 20190111