CN204588907U - A kind of high strong brine process and resource reclaim combination unit - Google Patents
A kind of high strong brine process and resource reclaim combination unit Download PDFInfo
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- CN204588907U CN204588907U CN201520260939.1U CN201520260939U CN204588907U CN 204588907 U CN204588907 U CN 204588907U CN 201520260939 U CN201520260939 U CN 201520260939U CN 204588907 U CN204588907 U CN 204588907U
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Abstract
The utility model relates to a kind of high strong brine process and resource reclaim combination unit, belongs to Sewage advanced treatment and reuse field.The high strong brine process of described one and resource reclaim combination unit, comprise high strong brine case, chemical tendering device, filtration unit, ultra-filtration equipment, reverse osmosis unit, catalytic oxidizing equipment, chemical silica removal device, secondary ion switch, the reverse osmosis concentrated compression apparatus of middle pressure, polarity part flow arrangement, high price salt high-pressure membrane concentrating unit, evaporated crystallization device, the cold motivation of pneumatics, separating centrifuge, at a low price salt middle high-pressure film condensing device, synthetic obstetric water tank, regeneration salt box.The problems such as by the combination of process unit, make system recoveries rate reach more than 98%, solve the water resources recovery utilization rate existed in prior art low, floor space is large, invests high, consumes energy high, and running cost is high.
Description
Technical field
The utility model relates to a kind of high strong brine process and resource reclaim combination unit, belongs to Sewage advanced treatment and reuse field.
Background technology
The fast development of Coal Chemical Industry and other chemical enterprises and equal energy source enterprise of power plant, industrial production water loss is very large, produces a large amount of high strong brines simultaneously, causes more serious pollution to water surrounding.At present for this type of haline water, traditional method uses and builds evaporation pond spontaneous evaporation, or utilize steam and electric energy crystallization and evaporation, it is low to there is water resources recovery utilization rate in this type of technique, and floor space is large, invest high, the shortcomings such as power consumption is high, a large amount of salt simultaneously produced are composite salt (carnallite), can not use as industrial raw material, as the useless process of danger, the subsequent treatment cost of enterprise can only be added.
Utility model content
The problems such as technical problem to be solved in the utility model is to provide a kind of high strong brine process and resource reclaim combination unit, solves the water resources recovery utilization rate existed in prior art low, and floor space is large, invests high, consumes energy high, and running cost is high
The technical scheme that the utility model solves the problems of the technologies described above is as follows: comprise successively by high strong brine case that pipeline connects, chemical tendering device, filtration unit, ultra-filtration equipment, reverse osmosis unit, catalytic oxidizing equipment, chemical silica removal device, ion exchange unit, the reverse osmosis concentrated compression apparatus of middle pressure, first polarity part flow arrangement, and high price salt high-pressure membrane concentrating unit, evaporated crystallization device, the cold motivation of pneumatics, separating centrifuge, second polarity part flow arrangement, salt mesohigh film condensing device at a low price, synthetic obstetric water tank, regeneration salt box, crystallisation by cooling industry saltcake device and evaporative crystallization industrial chlorinations sodium device,
Described reverse osmosis unit the 3rd mouth is communicated with described synthetic obstetric water tank by pipeline; 3rd mouth of the reverse osmosis concentrated compression apparatus of described middle pressure is communicated with described synthetic obstetric water tank by pipeline; Two-way is divided into after described first polarity part flow arrangement flows out, one tunnel is communicated with high price salt high-pressure membrane concentrating unit, another road is communicated with described low price salt mesohigh film condensing device, and described high price salt high-pressure membrane concentrating unit and the at a low price outlet of salt mesohigh film condensing device are all communicated with described synthetic obstetric water tank;
Another outlet of described high price salt high-pressure membrane concentrating unit is by pipeline described evaporated crystallization device in parallel and described pneumatics refrigerator, the outlet of described pneumatics refrigerator connects separating centrifuge, by the second polarity part flow arrangement described in pipeline communication after separating centrifuge; After the second polarity part flow arrangement, part is two-way, one tunnel is communicated with divalent sulfates device, through divalent sulfates device outlet return to the front end of described pneumatics refrigerator, another road is communicated with monovalence sodium chloride salt device and connects described low price salt mesohigh film condensing device through monovalence sodium chloride salt device, another outlet point two-way of described low price salt mesohigh film condensing device, one tunnel is communicated with evaporative crystallization industrial chlorinations sodium device, another road is communicated with regeneration salt box, is communicated with described ion exchange unit through regeneration salt box.
On the basis of technique scheme, the utility model can also do following improvement.
The utility model a kind of high strong brine process described above and resource reclaim combination unit, described chemical tendering device can adopt lime, lime-soda ash, caustic soda-soda ash reaction precipitation technique.
The utility model a kind of high strong brine process described above and resource reclaim combination unit, further, described filtration unit, can adopt multi-medium filtering tank, filtering basin or self-cleaning filter.
The utility model a kind of high strong brine process described above and resource reclaim combination unit, further, catalytic oxidizing equipment is any one in device for catalyzing and oxidating ozone, hydrogen peroxide catalytic oxidation device, electrode catalyst oxidation unit.
The utility model a kind of high strong brine process described above and resource reclaim combination unit, further, chemical agent in chemical silica removal device is any one in lime, poly-aluminium, Polyferric Sulfate aluminium, meta-aluminate, Scale inhibitors, can be removed by the reaction of these chemical agents.
The utility model a kind of high strong brine process described above and resource reclaim combination unit, further, described ion exchange unit sodium ion exchange resin or hydrogen ion exchange resin.
The utility model a kind of high strong brine process described above and resource reclaim combination unit, further, polarity part flow arrangement, described polarity part flow arrangement, comprising rolling composite membrane or chip composite membrane, is all on the basis that ultrafiltration sieve aperture is basic unit, spray desalination layer, thin organic materials, the strong charge material in surface.
The utility model a kind of high strong brine process described above and resource reclaim combination unit, further, described high price salt high-pressure thick compression apparatus is the high pressure resistant film of a kind of chip, and each diaphragm has flow guiding disc up and down, and flow guiding disc has projection.Diaphragm can select reverse osmosis as required simultaneously, also can select the loose reverse osmosis with thin organic materials of modification.
The utility model a kind of high strong brine process described above and resource reclaim combination unit, further, described energy recovery pump is plunger tpe recovery pump, vane type recovery pump or rotor-type recovery pump, can reclaim part energy, reduces the energy consumption of system.The pipeline that another outlet of described low price salt mesohigh film condensing device is connected with the front end of described low price salt mesohigh film condensing device is provided with energy recovery pump; The pipeline that another outlet of described high price salt high-pressure membrane concentrating unit is connected with the front end of described high price salt high-pressure membrane concentrating unit is provided with energy recovery pump.
The utility model a kind of high strong brine process described above and resource reclaim combination unit, further, the combination of pneumatics refrigerator, separating centrifuge, secondary polarity part flow arrangement reaches the purification of high price salt (sodium sulfate).
The utility model a kind of high strong brine process described above and resource reclaim combination unit, further, salt middle high-pressure film condensing device is the high pressure resistant film of a kind of chip at a low price, can combine, also singly can organize use according to water quality saltiness middle high-pressure membranous system.The low price salt produced concentrates salt water part and is back to regeneration salt box and uses as regenerative brine, and redundance goes out industry at a low price salt through evaporative crystallizer crystallization.
The beneficial effects of the utility model are:
1, adopt the combination of multiple water treatment process unit, substantially increase the rate of recovery of system, at water inlet TDS≤5000mg/l, the rate of recovery of more than 98% can be reached;
2, the polarity part flow arrangement of research and development, can shunt the organic substance in waste water, the composite salt shunting in water, can not produce composite salt danger useless, saved environmental protection of enterprise input again;
3, the high-pressure membrane concentrating unit improved, instead of traditional evaporation concentration unit, greatly reduces the energy consumption of recycle-water, saved running cost.
4, add energy recycle device, the recovery inside that can realize energy uses, and reduces running cost.
4, integrated artistic combination unit, floor space is little, running cost is few.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of high strong brine process of the utility model and resource reclaim combination unit.
In accompanying drawing, the list of parts representated by each label is as follows:
1, Halite water case, 2, chemical tendering device, 3, filtration unit, 4, UF (ultrafiltration) device, 5, RO (reverse osmosis) device, 6, catalytic oxidizing equipment, 7, chemical silica removal device, 8, ion exchange unit, 9, RO (middle pressure reverse osmosis) concentrating unit, 10, first polarity part flow arrangement, 11, high price salt high-pressure membrane concentrating unit, 12, evaporative crystallization (MVR) device, 13, pneumatics refrigerator, 14, separating centrifuge, 15, salt mesohigh film condensing device at a low price, 16, energy recovery pump, 17, synthetic obstetric water tank, 18, regeneration salt box, 19 second polarity part flow arrangements.
Embodiment
Be described principle of the present utility model and feature below in conjunction with accompanying drawing, example, only for explaining the utility model, is not intended to limit scope of the present utility model.
As shown in Figure 1, a kind of high strong brine process and resource reclaim combination unit, comprise high strong brine case 1, chemical tendering device 2, filtration unit 3, UF (ultrafiltration) device 4, RO (reverse osmosis) device 5, catalytic oxidizing equipment 6, chemical silica removal device 7, ion exchange unit 8, RO (middle pressure reverse osmosis) concentrating unit 9, polarity part flow arrangement 10, high price salt high-pressure membrane concentrating unit 11, evaporative crystallization (MVR) device 12, the cold motivation 13 of pneumatics, separating centrifuge 14, salt mesohigh film condensing device 15 at a low price, energy recovery pump 16, synthetic obstetric water tank 17, regeneration salt box 18.
Halite water case 1, is mainly used to regulate water water quality and quantity even, between can pass through pump and pipeline communication chemical tendering device 2.Chemical tendering device, the temporary hardness in main removal water and part permanent hardness, can comprise reaction member and the precipitation unit of medicament, the water outlet through chemical tendering device enters filtration unit 3, removes tiny particle suspensions etc.Filtration unit 3 water outlet can enter UF (ultrafiltration) device 4 and RO (reverse osmosis) device 5 by pump and pipeline, bear the pressure of 2-4Mp, a certain proportion of preliminary recovery is carried out to water, produce water (recycle-water) and enter synthetic obstetric water tank 17, the dense water produced enters catalytic oxidizing equipment 6, catalytic oxidizing equipment is a kind of reactor that catalyzer is housed, and removes the partial organic substances in water and colloid.Water outlet enters chemical silica removal device 7, removes part activated silica and colloidal silicon in water by chemical agent.Then water outlet enters ion exchange unit 8, pass through ion exchange, RO (middle pressure reverse osmosis) concentrating unit 9 is entered after hardness completely in removal water and metal ion, bear the pressure of 4-10Mpa, water is further reclaimed, produce water and send into synthetic obstetric water tank 17 through pipeline, dense water sends into the first polarity part flow arrangement 10 through pipeline, a kind of polarity composite film with strong negative charge that first polarity part flow arrangement is, realizes the shunting to organism, high salt at a low price by electrocharge effect and sieve effect.
Waste water is after the first polarity part flow arrangement shunting, and waste water is divided into 2 strands of water, and one water is high price salt solution, and another strand of water is low price salt solution.High price salt solution enters high price salt high-pressure membrane concentrating unit 11, further to high price brine concentration, produce water by Cemented filling to synthetic obstetric water tank 17, dense water enters the cold motivation 12 of pneumatics, separating centrifuge 13, sodium sulfate has below 0 DEG C, the feature of crystallization, so the solid industrial saltcake utilizing method of cooling output purer, liquid enters the second polarity part flow arrangement 19 by pipeline, divalent sulfates device and monovalence sodium chloride salt device is entered through the second polarity part flow arrangement, divalent sulfates is back to the front end of pneumatics refrigerator, monovalence sodium chloride salt flow to salt mesohigh film condensing device 15 at a low price.Energy recovery pump 15 is set in the dense water side ducts of high price salt high-pressure membrane concentrating unit 11 simultaneously, reclaims the high-pressure energy of dense water side, reduce the energy consumption of water inlet high-pressure pump.Salt solution directly can enter salt mesohigh film condensing device 15 at a low price according to the saltiness size of water quality at a low price, produce water and enter synthetic obstetric water tank 17, a salt condensed water part is back to regeneration salt box 18 to ion exchange unit 8 at a low price, and redundance goes out Industrial Salt by Cemented filling to evaporation element crystallization.
Use the effect example of the utility model place coal chemical industrial waste water, pit water
A kind of high strong brine process of the utility model and resource reclaim combination unit, design 5m
3/ h processing power, Equipments Setting is as follows:
1, Halite water case 5m
3,
2, chemical tendering device-lime soda ash reaction settling basin 15m
3,
3, filtration unit-hay tank, diameter 400mm,
4, UF (ultrafiltration) device 2 ultra-filtration membranes,
5, RO (reverse osmosis) device comprises 6 reverse osmosis membranes,
6, catalytic oxidizing equipment comprises catalytic ozonation pond 15m
3,
7, chemical silica removal device comprises dosing reaction precipitation unit 5m
3,
8, ion exchange unit comprises sodium ion macropore and resists organic 2 grade resins tanks, diameter 200mm,
9, RO (middle pressure reverse osmosis) concentrating unit comprises 2 seawater films,
10, polarity part flow arrangement comprises 2 rolling composite membranes,
11, high price salt high-pressure membrane concentrating unit comprises 2 withstand voltage 160bar high price salt high-pressure membranes,
12, evaporative crystallization (MVR) device comprises evaporative crystallization ability 0.2m
3/ h,
13, pneumatics is freezing comprises-separating centrifuge combination unit, treatment capacity 0.2m
3/ h,
15, salt mesohigh film condensing device comprises 4 salt mesohigh films at a low price at a low price,
16, synthetic obstetric water tank 5m
3, 17, regeneration salt box 500L.
Get a kind of coal hydrocarbon Coal Chemical Industry comprehensive draining water sample 200m
3, chemical examination water-quality guideline is as follows:
TDS (total dissolving is solid): 4500mg/l, CODcr:60mg/l, ammonia nitrogen: 15mg/l, activated silica (SiO
2): 30mg/l, SO4
2-: 900mg/l, PO4
3-: 2.5mg/l, total hardness is (with CaCO
3meter): 500mg/l, CL
-: 530mg/l;
This kind of water sample enters system cloud gray model 40 hours continuously, and monitoring result is as follows: water production rate 196.5m3, TDS=420mg/l, and the overall system rate of recovery reaches 98.25%, and membranous system does not occur dirty stifled, produces water and stablizes.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. one kind high strong brine process and resource reclaim combination unit, it is characterized in that, comprise successively by high strong brine case that pipeline connects, chemical tendering device, filtration unit, ultra-filtration equipment, reverse osmosis unit, catalytic oxidizing equipment, chemical silica removal device, ion exchange unit, the reverse osmosis concentrated compression apparatus of middle pressure, first polarity part flow arrangement, and high price salt high-pressure membrane concentrating unit, evaporated crystallization device, the cold motivation of pneumatics, separating centrifuge, second polarity part flow arrangement, salt mesohigh film condensing device at a low price, synthetic obstetric water tank, regeneration salt box, crystallisation by cooling industry saltcake device and evaporative crystallization industrial chlorinations sodium device,
Described reverse osmosis unit the 3rd mouth is communicated with described synthetic obstetric water tank by pipeline; 3rd mouth of the reverse osmosis concentrated compression apparatus of described middle pressure is communicated with described synthetic obstetric water tank by pipeline; Two-way is divided into after described first polarity part flow arrangement flows out, one tunnel is communicated with high price salt high-pressure membrane concentrating unit, another road is communicated with described low price salt mesohigh film condensing device, and described high price salt high-pressure membrane concentrating unit and the at a low price outlet of salt mesohigh film condensing device are all communicated with described synthetic obstetric water tank;
Another outlet of described high price salt high-pressure membrane concentrating unit is by pipeline described evaporated crystallization device in parallel and described pneumatics refrigerator, the outlet of described pneumatics refrigerator connects separating centrifuge, by the second polarity part flow arrangement described in pipeline communication after separating centrifuge; Two-way is divided into after the second polarity part flow arrangement, one tunnel is communicated with divalent sulfates device, through divalent sulfates device outlet return to the front end of described pneumatics refrigerator, another road is communicated with monovalence sodium chloride salt device and connects described low price salt mesohigh film condensing device through monovalence sodium chloride salt device, another outlet point two-way of described low price salt mesohigh film condensing device, one tunnel is communicated with evaporative crystallization industrial chlorinations sodium device, another road is communicated with regeneration salt box, is communicated with described ion exchange unit through regeneration salt box.
2. a kind of high strong brine process and resource reclaim combination unit according to claim 1, it is characterized in that, chemical tendering device, after described chemical tendering device is arranged on Halite water case, can adopt lime, lime-soda ash, caustic soda-soda ash reaction precipitation technique.
3. a kind of high strong brine process and resource reclaim combination unit according to claim 1, it is characterized in that, the pipeline that another outlet of described low price salt mesohigh film condensing device is connected with the front end of described low price salt mesohigh film condensing device is provided with energy recovery pump; The pipeline that another outlet of described high price salt high-pressure membrane concentrating unit is connected with the front end of described high price salt high-pressure membrane concentrating unit is provided with energy recovery pump.
4. a kind of high strong brine process and resource reclaim combination unit according to claim 1, is characterized in that, catalytic oxidizing equipment is any one in device for catalyzing and oxidating ozone, hydrogen peroxide catalytic oxidation device, electrode catalyst oxidation unit.
5. a kind of high strong brine process and resource reclaim combination unit according to claim 1, is characterized in that, the chemical agent in chemical silica removal device is any one in lime, poly-aluminium, Polyferric Sulfate aluminium, meta-aluminate, Scale inhibitors.
6. a kind of high strong brine process and resource reclaim combination unit according to claim 1, is characterized in that, described ion exchange unit sodium ion exchange resin or hydrogen ion exchange resin.
7. a kind of high strong brine process and resource reclaim combination unit according to claim 1, is characterized in that described polarity part flow arrangement comprises rolling composite membrane or chip composite membrane.
8. a kind of high strong brine process and resource reclaim combination unit according to claim 1, it is characterized in that, described gravitational separation device is swash plate or inclined tube; Described water inlet pipe is involute urve water inlet pipe or spiral-line water inlet pipe.
9. a kind of high strong brine process and resource reclaim combination unit according to claim 1, is characterized in that, described high price salt at a low price salt high-pressure thick compression apparatus is the high pressure resistant film of a kind of chip, and each diaphragm has flow guiding disc up and down, and flow guiding disc has projection.
10. a kind of high strong brine process and resource reclaim combination unit according to claim 1, it is characterized in that, described energy recovery pump is plunger tpe recovery pump, vane type recovery pump or rotor-type recovery pump.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105399262A (en) * | 2015-12-21 | 2016-03-16 | 哈尔滨工业大学 | Production method of high purity industrial grade crystalline salt by using strong brine in coal chemical industry |
| CN106946396A (en) * | 2017-05-12 | 2017-07-14 | 江苏汇方环境科技有限公司 | A kind of integrated treatment technology of wastewater of chemical industry with high concentration recycling |
| CN108726806A (en) * | 2018-06-21 | 2018-11-02 | 南通曙光机电工程有限公司 | A kind of Integral low-energy high-salt wastewater processing system |
| CN110217912A (en) * | 2019-06-28 | 2019-09-10 | 内蒙古久科康瑞环保科技有限公司 | The purification method of silicon-containing wastewater |
-
2015
- 2015-04-27 CN CN201520260939.1U patent/CN204588907U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105399262A (en) * | 2015-12-21 | 2016-03-16 | 哈尔滨工业大学 | Production method of high purity industrial grade crystalline salt by using strong brine in coal chemical industry |
| CN105399262B (en) * | 2015-12-21 | 2017-08-25 | 哈尔滨工业大学 | A kind of method that utilization coal chemical industry strong brine prepares high-purity technical level crystal salt |
| CN106946396A (en) * | 2017-05-12 | 2017-07-14 | 江苏汇方环境科技有限公司 | A kind of integrated treatment technology of wastewater of chemical industry with high concentration recycling |
| CN108726806A (en) * | 2018-06-21 | 2018-11-02 | 南通曙光机电工程有限公司 | A kind of Integral low-energy high-salt wastewater processing system |
| CN110217912A (en) * | 2019-06-28 | 2019-09-10 | 内蒙古久科康瑞环保科技有限公司 | The purification method of silicon-containing wastewater |
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