CN208103995U - A kind of steel and iron industry strong brine processing unit - Google Patents
A kind of steel and iron industry strong brine processing unit Download PDFInfo
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- CN208103995U CN208103995U CN201721865848.6U CN201721865848U CN208103995U CN 208103995 U CN208103995 U CN 208103995U CN 201721865848 U CN201721865848 U CN 201721865848U CN 208103995 U CN208103995 U CN 208103995U
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Abstract
The utility model relates to a kind of steel and iron industry strong brine processing units, belong to technical field of environment protection equipment；Mainly it is made of pond after strong brine pond, the reverse osmosis water supply pump of strong brine, cartridge filter, high-pressure pump, reverse osmosis unit, concentration brine pit and processing, wherein, strong brine pond is connected by the reverse osmosis water supply pump of strong brine with cartridge filter, cartridge filter is connected with reverse osmosis unit by pipeline, and reverse osmosis unit is connected with pond after processing and concentration brine pit respectively by pipeline.The steel and iron industry strong brine processing unit treatment effeciency of the utility model is high, and simple process is stable, operation and maintenance and easy to operate, at low cost.
Description
Technical field
The utility model relates to a kind of wastewater treatment equipment, more particularly to a kind of steel and iron industry strong brine processing unit,
Belong to technical field of environment protection equipment.
Background technique
Currently, the processing method of strong brine mainly has electrolysis method, membrane separation technique, bioanalysis etc., wherein membrane separation technique
It is one of processing cost-effective method of brine waste, and with the development of reverse osmosis technology, so that it is had become UF membrane most main
One of mode wanted.
Existing research uses evaporation pond process brine waste, and for this technique, the concentrated water of generation needs large area
Evaporation pond, take up a large area, and invest big, operating cost is high, easily has a negative impact to environment.
In addition, people, which study, uses coagulating sedimentation, membrane process combination multiple-effect evaporation process strong brine, but the technique
There are problems that useless Organic substance in water cannot be removed effectively.
Steel and iron industry is most one of the industry of resource, energy consumption, needs to use a large amount of high-quality water money in production
Source, based on Municipal Sewage for Circulating.Since moisture largely evaporates during recirculated cooling water, salinity in water, organic matter etc. are caused
Concentration.Therefore the mode of which kind of processing, separation or concentration is either taken, finally always some water is that salt content is remote
Higher than water inlet, also just much higher than local underground water or the salt content of surface water.It, will if this part strong brine direct emission
The generation of local water quality is significantly affected, the consequences such as salinization of soil, aquatic organism are dead, Ecology destroys are caused.Therefore usually only will
Extra salinity becomes solid phase, reaches the whole machine balancing of salinity, is only scientific and reasonable disposal options.Two methods are more closed
Reason forms solid one is the water of the high salinity in this part is evaporated crystallization；One is strong brine is continued concentration to make its amount
Reduce, sprinkles the processes such as slag for steel mill and dissolved.And evaporative crystallization is since cost is too high, at present more it is possible that strong brine
The method of minimizing consumption.
The strong brine hardness in some areas is very high, there is that some basicity, sulfate radical content are also very high, if such water quality is not
It directly carries out continuing to be concentrated using reverse osmosis membrane through handling, it will a large amount of sediments are precipitated and cause the stifled paralysis of membranous system dirt.But
Reduction process is concentrated in strong brine due to lacking mature and reliable, and the strong brine of many enterprises does not carry out minimizing at present
Processing is still direct emission after processing.
High rigidity high alkalinity strong brine is carried out there are also enterprise to use embrane method or thermal method to be concentrated after removing hard pretreatment,
Pretreatment process is generally：Calcium hydroxide removal temporary hardness is added to high rigidity high alkalinity strong brine, then adds sodium carbonate
And a small amount of sodium hydroxide removes permanent hardness, then enters sedimentation basin and is precipitated, supernatant enters filter and is filtered, and
Enter pH conditioning tank afterwards and pH is adjusted to neutrality, is then concentrated into reverse osmosis.The technique, which exists, to be taken up a large area, process
Long, pretreatment effluent quality is poor, causes reverse osmosis dirty stifled the problems such as seriously cleaning frequency is too short, and membrane lifetime shortens.
Number of patent application disclosed on June 10th, 2015 is CN201410796518.0, a kind of entitled " high slat-containing wastewater
Processing method " Chinese invention patent disclose a kind of processing method of high slat-containing wastewater, by UF, NF, RO, high-pressure flat plate film
Method rationally couples and handles high slat-containing wastewater with the process that MVR crystallization, freezing and crystallizing technology combine, and uses soft
Change the pretreating process of precipitating, V-type filter tank and ion exchange softening.Its shortcoming is that：Complex process increases the investment of device
Cost and operation expense, and it is complicated for operation.
" processing method and its processing unit of high slat-containing wastewater " disclosed on August 11st, 2010 (number of patent application is
CN201010111515.0 in), a kind of group using clarifying basin+filter tank+Na-ion exchanger+carbon dioxide cleaner+reverse osmosis is provided
Close process high slat-containing wastewater.Its shortcoming is that：Need repeatedly to adjust pH value in entire treatment process, and processing unit is multiple
It is miscellaneous, increase its maintenance cost.
Therefore it provides a kind for the treatment of effeciency height, simple process, stable, operation and maintenance and easy to operate, at low cost
Steel and iron industry strong brine processing unit becomes technical field technical problem urgently to be solved.
Utility model content
It is high that the purpose of the utility model is to provide a kind for the treatment of effeciencies, simple process, stable, operation and maintenance and operation
Simply, steel and iron industry strong brine processing unit at low cost, has solved the problems, such as that prior art exists.
The above-mentioned purpose of the utility model reaches by the following technical programs：
A kind of steel and iron industry strong brine processing unit, it is characterised in that：Mainly by strong brine pond, the reverse osmosis water supply of strong brine
Pond is constituted after pump, cartridge filter, high-pressure pump, reverse osmosis unit, concentration brine pit and processing, wherein strong brine pond passes through
The reverse osmosis water supply pump of strong brine is connected with cartridge filter, and cartridge filter is connected with reverse osmosis unit by pipeline, instead
Permeability apparatus is connected with pond after processing and concentration brine pit respectively by pipeline.
Preferably, the reverse osmosis unit uses two sections of level-one, and section-between boosting measure is taken in two sections of water inlets, membrane module according to
2:1 configuration.
Preferably, the reverse osmosis unit selects pollution-resistant reverse osmosis membrane to be handled, the reverse osmosis recycling of strong brine
Rate >=50%.
Preferably, administration device is set before the cartridge filter, for launching antisludging agent and non oxidizing bactericide.
Preferably, the administration device include cabinet, into Teat pipette, liquidometer and far transmission level meter, cabinet and into Teat pipette it
Between be connected by pipeline, cabinet is solution/batch meter, and medicament is stored in cabinet.
Preferably, the solution/batch meter is equipped with blender, filter device and liquidometer.
Preferably, the material of the agitator paddle and axis is Stainless steel 316 L or other acid and alkali-resistance materials.
Preferably, the non oxidizing bactericide is Taipingyang Water Treatment Engineering Co., Ltd. commercially available in the market
(PWT) quick non oxidizing bactericide BioGuard ACS (S), the sale of Wuxi Jiang Chao Environmental Protection Technology Co., Ltd
Snap action non-oxidative antimicrobial Jiach MPF-301TM, Tresea 388, SS416 or the limited public affairs of Beijing Expo perseverance industry science and technology
The efficient non-oxidative antimicrobials such as the dedicated non oxidizing bactericide MSS series of the film of department.
Preferably, the antisludging agent is natural polymer antisludging agent or synthetic polymer antisludging agent.
Preferably, the synthetic polymer antisludging agent is carboxylic acids polymer antisludging agent, sulphonic acids polymer antisludging agent, contains
Phosphorus polymer antisludging agent or environmentally friendly antisludging agent.
Preferably, the MPC series reverse osmosis membrane resistance that the antisludging agent selects Beijing Shibo Hengye Technology Co., Ltd. to sell
Dirty agent.
Preferably, the administration device has the ability for continuously adding non oxidizing bactericide.
Preferably, the administration device has the ability that fungicide is added toward pond after processing and concentration brine pit, with suppression
The growth of bacterium in pond processed.
Beneficial effect：
The steel and iron industry strong brine processing unit treatment effeciency of the utility model is high, and simple process is stable, operation dimension
It protects and easy to operate, it is at low cost.The strong brine handled using utility model device is produced aqueous suspension and is smaller than 10mg/L, and water is produced
Conductivity is less than 200 μ S/cm, and total hardness is (with CaCO3Meter) it is lower than 150mg/L, M basicity is smaller than 110mg/L, chlorine ion concentration
It is smaller than 100mg/L, water ammonia nitrogen is produced and is less than 5mg/L, water outlet COD is basically stable at 10mg/L or so, and the recycling of strong brine RO
Rate >=50%.It produces water and meets the water quality requirement that steel and iron industry produces new water, can not only supplement intermediate pool, but also can use by oneself or supply outside.
The utility model is described further below by the drawings and specific embodiments, but is not meant to this reality
With the limitation of novel protected range.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model steel and iron industry strong brine processing unit.
Main appended drawing reference explanation：
The reverse osmosis water supply pump of 1 strong brine pond, 2 strong brine
3 cartridge filter, 4 high-pressure pump
Brine pit is concentrated in 5 anti-pollution reverse osmosis devices 6
Pond after 7 processing
Specific embodiment
Embodiment 1
As shown in Figure 1, being the structural schematic diagram of the utility model steel and iron industry strong brine processing unit, wherein 1 is dense salt
Pond, 2 be the reverse osmosis water supply pump of strong brine, and 3 be cartridge filter, and 4 be high-pressure pump, and 5 be anti-pollution reverse osmosis device, and 6 are
Brine pit is concentrated, 7 be pond after processing；The utility model steel and iron industry strong brine processing unit is mainly by strong brine pond 1, dense salt
Water after the reverse osmosis water supply pump 2 of water, cartridge filter 3, high-pressure pump 4, anti-pollution reverse osmosis device 5, concentration brine pit 6 and processing
Pond 7 is constituted；Wherein, strong brine pond 1 is connect with the reverse osmosis water supply pump 2 of strong brine by pipeline, the reverse osmosis water supply pump of strong brine 2 with
Cartridge filter 3 is connected, and cartridge filter 3 is connect with high-pressure pump 4, and high-pressure pump 4 and anti-pollution reverse osmosis device 5 pass through pipe
Road is connected, and anti-pollution reverse osmosis device 5 is connected with pond 7 after concentration brine pit 6, processing respectively by pipeline.
The reverse osmosis water supply pump 2 of strong brine can be commercially available reverse osmosis water supply pump in the market, water supply pump select it is horizontal from
Heart pump, stainless steel material, such as water supply pump DFWH200-315, DFWH150-315 of the sale of east Beng Ye Group Co., Ltd.
Cartridge filter 3 can be commercially available cartridge filter in the market, be steel welding bulge, and fouling meets
The requirement of fast replacing filter core, ontology material are corrosion-resistant stainless steel.Cartridge filter filtering element uses the replaceable cassette of big flow
Filter core, polypropylene material have an ability capable of washing, and the surface filtering velocity of filter core is not more than 60m/h when maximum water yield, select 5 μm
Filtering accuracy, replacement cycle >=3 month of general filter core.The big flows water filter cores such as HORIZON, GE, hundred spy of section, Fiss Fu Er are protected
Pacify filter.
Administration device is arranged before cartridge filter (can be commercially available the art in the market commonly to offer medicine dress
Set), administration device includes cabinet, is connected by pipeline into Teat pipette, liquidometer and far transmission level meter, cabinet and into Teat pipette, case
Body is solution/batch meter, and medicament (antisludging agent and non oxidizing bactericide) is stored in cabinet, using into Teat pipette by antisludging agent and
For non oxidizing bactericide adding of agent to designated position, solution/batch meter has blender, filter device and pipeline, and material is
The material of PE, agitator paddle and axis is Stainless steel 316 L or other acid and alkali-resistance materials, and valve, pipeline use UPVC material, molten
It is equipped with liquidometer in liquid/batch meter, while being equipped with far transmission level meter, chemicals dosing plant, which is realized, automatically controls dosing, can continuously add
Non oxidizing bactericide, and have the ability that fungicide is added toward pond after processing and concentration brine pit, to inhibit thin in pond
The growth of bacterium.
Non oxidizing bactericide is that non oxidizing bactericide is Taipingyang Water Treatment Engineering Co., Ltd. commercially available in the market
(PWT) the quick work of quick non oxidizing bactericide BioGuard ACS (S), the sale of Wuxi Jiang Chao Environmental Protection Technology Co., Ltd
With non-oxidative antimicrobial Jiach MPF-301TM, Tresea 388, the film of SS416 or Beijing Shibo Hengye Technology Co., Ltd. it is special
With efficient non-oxidative antimicrobials such as non oxidizing bactericide MSS series.
Antisludging agent is natural polymer antisludging agent or synthetic polymer antisludging agent.
Synthetic polymer antisludging agent is carboxylic acids polymer antisludging agent, sulphonic acids polymer antisludging agent, phosphorous polymer resistance
Dirty agent or environmentally friendly antisludging agent.
The MPC series reverse osmosis membrane antisludging agent that antisludging agent selects Beijing Shibo Hengye Technology Co., Ltd. to sell.
High-pressure pump can be commercially available high-pressure pump in the market, select frequency conversion centrifugal pump, and high-pressure pump material is stainless steel
316L, the reverse osmosis high-pressure pump sold such as PENTAIR, Sulzer.
Anti-pollution reverse osmosis device 5 can be commercially available anti-pollution reverse osmosis device in the market, such as Hydranautics pin
The PROC soldTMThe enhanced anti-pollution reverse osmosis membrane element of series, has higher chemical resistance and stability desalination
Rate is high, can ensure that producing water water quality, and more energy-saving；BW30FR-400, BW30FR-400/34i of Tao Shi sale,
The pollution-resistant reverse osmosis membrane of the models such as BW30XFR-400/34i, with producing water water quality is high, antifouling property is strong, salt rejection rate is steady
It is scheduled on 99.5% or so, reduces the advantages that cost.
Anti-pollution reverse osmosis device 5 uses two sections of level-one, and section-between boosting measure is taken in two sections of water inlets, and membrane module is according to 2:
1 configuration, and concentrate recirculation is set.
Unless stated otherwise, device used in the utility model is usual means commercially available in the market.
Application Example 1
The reverse osmosis water supply pump 2 of strong brine selects the reverse osmosis water supply pump of east pump industry model DFWH200-315, ensures public security
Filter 3 selects the cartridge filter of the replaceable cassette filter core of Fiss Fu Er big flow, and high-pressure pump 4 selects Sulzer model
The high-pressure pump of SNS4-65, anti-pollution reverse osmosis device 5 select the pollution-resistant reverse osmosis of Tao Shi model BW30FR-400/34i
Permeable membrane, the strong brine reverse osmosis treatment unit that pond 7 is constituted after concentration brine pit 6, processing.Wherein strong brine pond 1 and strong brine
Reverse osmosis water supply pump 2 is connected by pipeline, and the reverse osmosis water supply pump 2 of strong brine is connected with cartridge filter 3, cartridge filter 3
It is connect with high-pressure pump 4, high-pressure pump 4 is connected with anti-pollution reverse osmosis device 5 by pipeline, anti-pollution reverse osmosis device 5
It is connected respectively with pond 7 after concentration brine pit 6, processing by pipeline.
The strong brine that certain steel Quality Products Base project sewage treatment plant is generated using above-mentioned apparatus processing first-stage reverse osmosis is dense
Saline treatment raw water amount 10500m3/ d, strong brine TDS concentration 4000g/L of intaking, total hardness is (with CaCO3Meter) 1600mg/L, chlorine
Ion 1000mg/L, conductivity 7.0mS/cm.Above-mentioned strong brine is under the action of strong brine reverse osmosis water supply pump 2, by strong brine
Pond 1 enters cartridge filter 3, and the water outlet of cartridge filter 3 carries out under the effect of high-pressure pump 4 into anti-pollution reverse osmosis device 5
Processing, pond 7 is used as industrial fresh water for sewage station-service after the production water of anti-pollution reverse osmosis device 5 enters processing, and salt water is concentrated
Into concentration brine pit 6, it can be carried out to utilize after softening is handled except firmly equal measures for system consumption.
Pond 7 is equipped with non-oxidative antimicrobial throwing device after above-mentioned processing, adds non-oxidative antimicrobial, inhibits thin in pond
The growth of bacterium guarantees subsequent water water quality.Common non oxidizing bactericide has：Antiphen, dioxy cyano methane, isothiazoline
(benzene pricks bromine for ketone, dodecylbenzyl ammonium chloride (1227, benzalkonium chloride, geramine), dodecyl dimethyl benzyl ammonium bromide
Ammonium, bromogeramine) etc..The present embodiment selects the dedicated non-oxidative antimicrobial of the film of Beijing Shibo Hengye Technology Co., Ltd.
MSS731。
The water yield of the present embodiment anti-pollution reverse osmosis device 5 is 6400m3/ d, pH are between 7-9, total dissolved solidss
(Total dissolved solids, TDS, measurement unit is mg/litre (mg/L), is shown molten dissolved with how many milligram in 1 liter of water
Solution property solid) concentration 300mg/L, the production water hardness is 132mg/L, and conductivity mean value is stablized in 200 μ S/cm, and chlorine ion concentration is
78mg/L, and it is discharged COD (COD：Chemical Oxygen Demand) stablize in 10mg/L or so.Strong brine is anti-
Infiltration (RO) produces water and meets sewage plant to the requirement of industrial fresh water quality of water, and the reverse osmosis rate of recovery of strong brine is 61%.
Application Example 2
The reverse osmosis water supply pump 2 of strong brine selects the high-pressure pump of east pump industry model DFWH150-315, cartridge filter 3
The cartridge filter of the replaceable cassette filter core of Fiss Fu Er is selected, high-pressure pump 4 selects the high pressure of Sulzer model SNS4-65
Pump, anti-pollution reverse osmosis device 5 select the BW30FR-400 pollution-resistant reverse osmosis membrane of Tao Shi sale, concentration brine pit 6, place
The strong brine reverse osmosis treatment unit that pond 7 is constituted after reason is concentrated and is provided with undercurrent mixing commercially available in the market in brine pit 6
Device.
Wherein strong brine pond 1 is connect with the reverse osmosis water supply pump 2 of strong brine by pipeline, the reverse osmosis water supply pump of strong brine 2 with
Cartridge filter 3 is connected, and cartridge filter 3 is connect with high-pressure pump 4, and high-pressure pump 4 and anti-pollution reverse osmosis device 5 pass through pipe
Road is connected, and anti-pollution reverse osmosis device 5 is connected with pond 7 after concentration brine pit 6, processing respectively by pipeline.
Certain water factory is using the strong brine generated after the processing RO processing of above-mentioned strong brine processing unit, strong brine treating capacity
300m3/ h, total dissolved solidss (TDS) concentration 38000mg/L, chlorine ion concentration 24000mg/L, conductivity 57.8mS/cm, hardness
For 6750mg/L.Above-mentioned strong brine enters cartridge filter under the action of strong brine reverse osmosis water supply pump 2, by strong brine pond 1
3, the water outlet of cartridge filter 3 is handled, pollution-resistant is anti-under the effect of high-pressure pump 4 into anti-pollution reverse osmosis device 5
Pond 7 is used as industrial fresh water for sewage station-service after the production water of permeability apparatus 5 enters processing, and salt water is concentrated and enters concentration brine pit 6.
Pond 7 is equipped with non-oxidative antimicrobial throwing device after above-mentioned processing, adds non-oxidative antimicrobial, inhibits thin in pond
The growth of bacterium guarantees subsequent water water quality.Common non-oxydizing sterilization algicide has：Antiphen, dioxy cyano methane, different thiophene
(benzene is pricked for oxazoline ketone, dodecylbenzyl ammonium chloride (1227, benzalkonium chloride, geramine), dodecyl dimethyl benzyl ammonium bromide
Bromine ammonium, bromogeramine) etc..The present embodiment selects the dedicated non-oxidative antimicrobial of the film of Beijing Shibo Hengye Technology Co., Ltd.
MSS732。
The present embodiment anti-pollution reverse osmosis device produces water 165m3/ h produces water pH and stablizes 7 or so, total dissolved solidss
(TDS) concentration is 330mg/L, chlorine ion concentration 220mg/L, and conductivity is down to 700 μ S/cm, hardness 240mg/L.Strong brine
The reverse osmosis rate of recovery is 55%.
The device of the utility model has stable, efficient process performance to strong brine.
Although above having made detailed description to the utility model with generality explanation and specific embodiment,
Above-described specific implementation example is only that the embodiments of the present invention is described, not to the utility model
Range is defined.On the basis of the utility model, to those skilled in the art to the various changes and improvements of the utility model,
Belong to the range of the utility model claims protection.
Claims (10)
1. a kind of steel and iron industry strong brine processing unit, it is characterised in that：Mainly by strong brine pond, the reverse osmosis water supply of strong brine
Pond is constituted after pump, cartridge filter, high-pressure pump, reverse osmosis unit, concentration brine pit and processing, wherein strong brine pond passes through
The reverse osmosis water supply pump of strong brine is connected with cartridge filter, and cartridge filter is connected with reverse osmosis unit by pipeline, instead
Permeability apparatus is connected with pond after processing and concentration brine pit respectively by pipeline.
2. steel and iron industry strong brine processing unit as described in claim 1, it is characterised in that：The reverse osmosis unit uses one
Two sections of grade, membrane module is according to 2:1 configuration.
3. steel and iron industry strong brine processing unit as described in claim 1, it is characterised in that：The reverse osmosis unit is anti-pollution
Dye type reverse osmosis unit.
4. steel and iron industry strong brine processing unit as described in claim 1, it is characterised in that：The concentration brine pit is provided with
Undercurrent mixer.
5. steel and iron industry strong brine processing unit as described in claim 1, it is characterised in that：It is arranged before the cartridge filter
Administration device.
6. steel and iron industry strong brine processing unit as claimed in claim 5, it is characterised in that：The administration device includes case
Body is connected into Teat pipette, liquidometer and far transmission level meter, cabinet and between Teat pipette by pipeline, and cabinet is solution/metering
Case, medicament are stored in cabinet.
7. steel and iron industry strong brine processing unit as claimed in claim 6, it is characterised in that：Solution/the batch meter is equipped with
Blender, filter device and liquidometer.
8. steel and iron industry strong brine processing unit as claimed in claim 7, it is characterised in that：The agitator paddle and axis
Material is acid and alkali-resistance material.
9. steel and iron industry strong brine processing unit as claimed in claim 8, it is characterised in that：In the cabinet of the administration device
Equipped with antisludging agent and non oxidizing bactericide.
10. steel and iron industry strong brine processing unit as claimed in claim 9, it is characterised in that：The antisludging agent is natural poly-
Close object antisludging agent or synthetic polymer antisludging agent；The synthetic polymer antisludging agent is carboxylic acids polymer antisludging agent, sulphonic acids
Polymer antisludging agent, phosphorous polymer antisludging agent or environmentally friendly antisludging agent.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114409125A (en) * | 2021-12-23 | 2022-04-29 | 广州高澜节能技术股份有限公司 | Reverse osmosis intelligent dosing control system and dosing process |
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2017
- 2017-12-27 CN CN201721865848.6U patent/CN208103995U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114409125A (en) * | 2021-12-23 | 2022-04-29 | 广州高澜节能技术股份有限公司 | Reverse osmosis intelligent dosing control system and dosing process |
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Address after: Room 805, International Building, No. 1 Zhichun Road, Haidian District, Beijing 100083 Patentee after: Beijing Scinor Water Technology Co., Ltd. Address before: 100083 Beijing, Zhichun Road, College of International Building, Room 806, room 1, No. Patentee before: Beijing Scinor Water Technology Co., Ltd. |
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