CN203781945U - Strong brine softening device - Google Patents
Strong brine softening device Download PDFInfo
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- CN203781945U CN203781945U CN201420007648.7U CN201420007648U CN203781945U CN 203781945 U CN203781945 U CN 203781945U CN 201420007648 U CN201420007648 U CN 201420007648U CN 203781945 U CN203781945 U CN 203781945U
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- water inlet
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Abstract
The utility model discloses a strong brine softening device which comprises a softening reagent addition reaction device and a water inlet backwashing control device, wherein the softening reagent addition reaction device is provided with a reaction pool; the reaction pool is internally provided with a reagent addition device; a stirring impeller is arranged at the bottom of the reaction pool; a water outlet of the reaction pool is connected with a water inlet of the water inlet backwashing control device through a pipe, a water inlet pump, a water inlet valve and a water inlet closing valve; the shell of the water inlet backwashing control device is a cylinder which is internally provided with a solid-liquid separation area; the lower part of the cylinder is a conical mud bucket; a pH detection device and an acid addition device are arranged at the water outlet; a pipe is arranged on the cylinder at a water outlet area of the solid-liquid separation area to be connected with a washing valve and an emptying valve; the other end of the washing valve is connected with a buffering tank through a pipe; the other end of the emptying valve is connected with a water tank at a washing control area. The strong brine softening device has the advantages that the whole process is finished via devices, the traditional large pool precipitation separation is eradicated and membrane separation is used so that the amount of the suspended matters in the obtained water is less, and water power differential pressure is utilized for automatic backwashing so that the operation is simple and convenient.
Description
Technical field
The present invention relates to a kind of environmental protection equipment, particularly the softening treatment unit of a kind of strong brine.
Background technology
Along with the attention of people to environmental protection; protection to water resources is also more and more firmly grasped; especially for water rich and influential family; the final high COD(chemical oxygen demand (COD) of high salt producing of degree of depth reuse) the dense water of content; the methods such as current conventional surface water discharge, deep-well injection, sprinkling irrigation, evaporation tank, quenching can not fundamentally reduce the discharge of concentrated solution; not only cause the waste of water resources, and soil, surface water, ocean environment etc. have been had a negative impact.If process rear reuse, in dense water, contained hardness ions becomes the difficult point of subsequent technique.Concentrated with rate of water added, hardness ions as calcium, magnesium etc. easily with water in carbonate, sulfate radicals etc. form precipitation, stick on film surface or evaporator heating pipe, cause dirty stifled, heat exchanger effectiveness reduction, affect subsequent disposal effect.
Traditional technology has ion-exchange, medical method etc. to the removal of hardness ions, and ion exchange method resin used needs often to change, and poor to COD tolerance, and the COD in dense water can not use during higher than 100mg/L.The great Chi that tradition medical method adopts holds settler, the residence time is long, also needs the power-equipments such as mud scraper, and in water outlet suspension content value generally more than 10mg/L, for technique of zero discharge, enter subsequent film processing etc. and also need to arrange the precision equipment such as strainer.
Summary of the invention
Goal of the invention of the present utility model is for the defect existing in prior art, provides a kind of strong brine to soften treatment unit.
The utility model comprises: softening adding of agent reaction unit, water inlet back flushing control device, is characterized in that described softening adding of agent reaction unit is provided with reaction tank, is provided with medicament addition device in reaction tank.Softening medicament addition device adopts chemical tendering medicament to soften strong brine, and softening adding of agent reaction zone is mainly used in soda ash, the configuration of caustic soda medicament and adds.Supporting corresponding chemicals dosing plant, and whipping appts.Soda ash, caustic soda added amount of chemical kind are calculated and are added according to calcium, magnesium ion, bicarbonate radical amount in water with amount.If basicity is on the low side in water, use caustic soda Method of Soda, caustic soda and the bicarbonate radical in water can be converted into carbonate, carbonate can with water in calcium ion form precipitation of calcium carbonate, soda ash adds carbonate inadequate in make up water, part caustic soda and magnesium ion form magnesium hydrate precipitate, and the strontium, barium and the silicon that in water body, exist also can form precipitation simultaneously; If basicity is higher in water, adopt lime method, by adding calcium ion, form precipitation with carbonate together with existing calcium, magnesium plasma in water.Stir simultaneously and accelerate precipitation generation, by hardness ions, the removals such as calcium, magnesium, strontium, barium, silicon.Reaction tank bottom is provided with paddle wheel, reaction tank top is provided with water-in, reaction tank bottom water outlet is through pipeline, intake pump, water intaking valve, water inlet shut-off valve is connected with the water-in of water inlet back flushing control device, water inlet back flushing control device shell is cylindrical shell, inside is provided with solid-liquid displacement zone, the bottom of cylindrical shell is taper bucket, the cone tip part of taper bucket is provided with shore pipe, water outlet is arranged on the top of cylindrical shell, water outlet is provided with pH proofing unit and sour throwing device, the cylindrical shell of outlet area, solid-liquid displacement zone is provided with pipeline and flush valve, blow-off valve connects, the flush valve the other end is connected with surge tank through pipeline, the blow-off valve the other end is connected with flushing control region tank.
The top of described water inlet back flushing control device cylindrical shell is solid-liquid displacement zone, and bottom is the taper bucket of concentration and settlement clod, floc particle thing.
The solid-liquid displacement zone of described water inlet back flushing control device is many micro-filtration hollow membrane pipe compositions, film pipe is vertically fixedly mounted on into the top of water back flushing control device, film pipe is that polytetrafluoroethylmaterial material is made, filter membrane aperture is less than 0.2um, the water side of film pipe is sealing around, water inlet can only be passed through film water outlet, can not around go out from film.Film pipe is evenly distributed, and filtering accuracy is high, and water outlet ss suspended solid concentration is less than 0.5mg/L, resistance to certain acidity.Solid-liquid displacement zone is isolated into inlet area and outlet area by film pipe, and strong brine filters through film pipe.
Flush valve in described water inlet back flushing control device is provided with pressure inductor, and pressure inductor is connected with the switchboard circuit of water inlet back flushing control device.In the time that film pipe is blocked, when pressure reduction on pressure inductor increases, flush valve is opened automatically, starts rinse mode and carries out back flushing fall mud, spoil disposal.Water inlet back flushing control device utilizes hydraulic pressuring difference to carry out back flushing.
The output terminal of pH proofing unit and the control end circuit of sour throwing device on described water inlet back flushing control device water outlet are connected, and in the time that water outlet pH value exceeds normal range, pH proofing unit starts sour throwing device automatically.In the time that the flux recovery ability of separatory membrane is reduced to a certain degree, sour throwing device can be opened automatically, carries out pickling.
The utility model has the advantages that whole technological process device, abandoning tradition great Chi precipitate and separate, uses membrane sepn instead and makes in effluent quality suspended substance amount still less, and utilize hydraulic pressuring difference automatic backwash, and working cost is low, easy and simple to handle.
Brief description of the drawings
Fig. 1 structural representation of the present invention.
In figure: 1 reaction tank, 2 softening adding of agent reaction units, 3 water inlet back flushing control device, 4 intake pumps, 5 water intaking valves, 6 water inlet shut-off valves, 7 flush valves, 8 blow-off valves, 9 surge tanks, 10 film pipes, 11 sour throwing devices, 12pH proofing unit, 14 rinse control region tank, 15 shore pipes.
Embodiment
Further illustrate embodiment of the present utility model below in conjunction with accompanying drawing:
Referring to Fig. 1, in reaction tank 1, be provided with medicament addition device, medicament addition device adopts chemical method to soften strong brine.Adding of agent reaction zone be mainly used in soda ash, caustic soda medicament configuration, add.The kind of soda ash, caustic soda adding of agent and dosage determine to calculate according to calcium, magnesium ion, bicarbonate radical amount in water and add.Reaction tank 1 bottom is provided with paddle wheel, reaction tank 1 top is provided with water-in, bottom water outlet is connected with the water-in of water inlet back flushing control device 3 through pipeline, intake pump 4, water intaking valve 5, water inlet shut-off valve 6, water inlet back flushing control device 3 shells are cylindrical shell, inside is provided with solid-liquid displacement zone, solid-liquid displacement zone is many micro-filtration hollow membrane pipe compositions, one end water inlet of film pipe, surrounding's sealing of the other end, water inlet can only be passed through film water outlet, can not from around go out, according to the size for the treatment of capacity, film pipe number is set.Film pipe 10 is vertically fixedly mounted on into the top of water back flushing control device 3, and film pipe 10 is made for polytetrafluoroethylmaterial material, and filter membrane aperture is less than 0.2um, and film pipe 10 is evenly distributed, and filtering accuracy is high, and water outlet ss suspended solid concentration is less than 0.5mg/L, resistance to certain acidity.Solid-liquid displacement zone is isolated into inlet area and outlet area by film pipe 10, and strong brine filters through film pipe.The cylindrical shell bottom of water inlet back flushing control device 3 is taper bucket, the cone tip part of taper bucket is provided with shore pipe 15, water outlet is arranged on the cylindrical shell top of back flushing control device 3, water outlet is provided with pH proofing unit 12 and sour throwing device 11, the cylindrical shell of outlet area, solid-liquid displacement zone is provided with pipeline and is connected with flush valve 7, blow-off valve 8, flush valve 7 the other ends are connected with surge tank 9 through pipeline, and blow-off valve 8 the other ends are connected with flushing control region tank 14.
When the water inlet back flushing control device 3 of embodiment is in water inlet state: water intaking valve 5 is opened, and water inlet shut-off valve 6 cuts out, and flush valve 7 is closed, and while water inlet for the first time, blow-off valve 8 is opened, and mixing liquid enters into water back flushing control device 3 by intake pump 4, water intaking valve 5.Along with the rising of liquid level, the air in device is drained by the gas exhaust duct at blow-off valve 8 places.In the time starting to have water outlet, after air row light, blow-off valve 8 cuts out always, continues filtration, now current some can flow to flush valve 7 place pipelines, in flush valve 7, form certain hydraulic pressure.Mixing liquid is by film pipe 10 normal filtration of solid-liquid displacement zone, and the logical filmed passing tube 10 of water enters outlet area, and slag and pollutent are attached to film surface, and constantly accumulation forms pressure reduction.
When the water inlet back flushing control device 3 of embodiment is in recoil state: when film tube-surface pollutent constantly accumulates, pressure inductor sensing differential pressure in flush valve 7 can rise, when to a certain extent, the switchboard of water inlet back flushing control device 3 is closed water intaking valve 5, water inlet shut-off valve 6 is opened, flush valve 7 is opened, and blow-off valve 8 cuts out.Because the recoil state time is shorter, intake pump 4 is always in opened condition, and mixing liquid is by intake pump 4, and water inlet shut-off valve 6 is got back to reaction tank 1, instead of enters solid-liquid displacement zone.Clear water can, from film inside to outwash, sweep away the pollutent of film tube-surface to mud-removing bucket.When recoil, the water of solid-liquid displacement zone can be entered and be rinsed control region tank 14 by the pipeline at blow-off valve 8 places.Recoil hydraulic pressure is being controlled in the existence of surge tank 9, prevents film pipe to cause large impact.After recoil, flush valve 7 is closed, and blow-off valve 8 cuts out, and water intaking valve 5 is opened, and water inlet shut-off valve 6 cuts out, and continues to allow mixing liquid enter into water back flushing control device 3.
The present embodiment, by the pH value of pH proofing unit 12 Real-Time Monitoring treatment unit water outlets, utilizes sour throwing device 11 to regulate pH value.
In the time that in water outlet, pH value exceeds normal range, open sour throwing device 11, carry out pH regulator to neutral.Utilize this device, the clearance of hardness can be up to more than 98%, and ss suspended solid concentration in water outlet is less than 0.5mg/L.
Claims (5)
1. the softening treatment unit of strong brine, comprise: softening adding of agent reaction unit, water inlet back flushing control device, it is characterized in that described softening adding of agent reaction unit is provided with reaction tank, in reaction tank, be provided with medicament addition device, reaction tank bottom is provided with paddle wheel, reaction tank top is provided with water-in, reaction tank bottom water outlet is through pipeline, intake pump, water intaking valve, water inlet shut-off valve is connected with the water-in of water inlet back flushing control device, water inlet back flushing control device shell is cylindrical shell, inside is provided with solid-liquid displacement zone, the bottom of cylindrical shell is taper bucket, the cone tip part of taper bucket is provided with shore pipe, water outlet is arranged on the top of cylindrical shell, water outlet is provided with pH proofing unit and sour throwing device, the cylindrical shell of outlet area, solid-liquid displacement zone is provided with pipeline and flush valve, blow-off valve connects, the flush valve the other end is connected with surge tank through pipeline, the blow-off valve the other end is connected with flushing control region tank.
2. the softening treatment unit of strong brine according to claim 1, the cylindrical shell top that it is characterized in that described water inlet back flushing control device is the solid-liquid displacement zone being made up of solid-liquid separation membrane, bottom is the taper bucket of concentration and settlement clod and floc particle thing.
3. the softening treatment unit of strong brine according to claim 1, the solid-liquid displacement zone that it is characterized in that described water inlet back flushing control device is many micro-filtration hollow membrane pipe compositions, the film pipe of being made by polytetrafluoroethylmaterial material is vertically fixedly mounted on into the top of water back flushing control device, the filter membrane aperture of film pipe is less than 0.2um, solid-liquid displacement zone is isolated into conversion zone and outlet area by film pipe, the mixing strong brine of the softening postprecipitation thing of band filters through film pipe, one end water inlet of film pipe, surrounding's sealing of the other end, water inlet can only be passed through film water outlet.
4. the softening treatment unit of strong brine according to claim 1, is characterized in that described flush valve is provided with pressure inductor, and pressure inductor is connected with the switchboard circuit of water inlet back flushing control device.
5. the softening treatment unit of strong brine according to claim 1, is characterized in that the output terminal of the pH proofing unit on described water outlet and the control end circuit of sour throwing device are connected, and pH proofing unit starts sour throwing device automatically.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420007648.7U CN203781945U (en) | 2014-01-07 | 2014-01-07 | Strong brine softening device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420007648.7U CN203781945U (en) | 2014-01-07 | 2014-01-07 | Strong brine softening device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203781945U true CN203781945U (en) | 2014-08-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420007648.7U Withdrawn - After Issue CN203781945U (en) | 2014-01-07 | 2014-01-07 | Strong brine softening device |
Country Status (1)
| Country | Link |
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| CN (1) | CN203781945U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104761077A (en) * | 2014-01-07 | 2015-07-08 | 麦王环境技术股份有限公司 | Concentrated brine softening treatment process and device |
-
2014
- 2014-01-07 CN CN201420007648.7U patent/CN203781945U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104761077A (en) * | 2014-01-07 | 2015-07-08 | 麦王环境技术股份有限公司 | Concentrated brine softening treatment process and device |
| CN104761077B (en) * | 2014-01-07 | 2017-07-07 | 麦王环境技术股份有限公司 | Strong brine sofening treatment technique and device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140820 Effective date of abandoning: 20170707 |
|
| AV01 | Patent right actively abandoned |