CN207845410U - A kind of zinc borate production wastewater treatment equipment - Google Patents
A kind of zinc borate production wastewater treatment equipment Download PDFInfo
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- CN207845410U CN207845410U CN201820030463.6U CN201820030463U CN207845410U CN 207845410 U CN207845410 U CN 207845410U CN 201820030463 U CN201820030463 U CN 201820030463U CN 207845410 U CN207845410 U CN 207845410U
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- solids
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 22
- BIKXLKXABVUSMH-UHFFFAOYSA-N trizinc;diborate Chemical compound [Zn+2].[Zn+2].[Zn+2].[O-]B([O-])[O-].[O-]B([O-])[O-] BIKXLKXABVUSMH-UHFFFAOYSA-N 0.000 title claims abstract description 21
- 238000004065 wastewater treatment Methods 0.000 title claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 39
- 239000007787 solid Substances 0.000 claims abstract description 30
- 239000002351 wastewater Substances 0.000 claims abstract description 22
- 239000007788 liquid Substances 0.000 claims abstract description 17
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000006228 supernatant Substances 0.000 claims abstract description 6
- 238000003860 storage Methods 0.000 claims description 27
- 238000010438 heat treatment Methods 0.000 claims description 23
- 238000009833 condensation Methods 0.000 claims description 6
- 230000005494 condensation Effects 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 6
- 238000007738 vacuum evaporation Methods 0.000 claims description 3
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 abstract description 24
- 238000001704 evaporation Methods 0.000 abstract description 17
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 abstract description 16
- 239000004327 boric acid Substances 0.000 abstract description 16
- 230000008020 evaporation Effects 0.000 abstract description 15
- 238000000034 method Methods 0.000 abstract description 14
- 229910052938 sodium sulfate Inorganic materials 0.000 abstract description 12
- 235000011152 sodium sulphate Nutrition 0.000 abstract description 12
- 239000006227 byproduct Substances 0.000 abstract description 4
- 238000001556 precipitation Methods 0.000 abstract description 3
- 238000004064 recycling Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 22
- 238000002425 crystallisation Methods 0.000 description 7
- 238000005457 optimization Methods 0.000 description 7
- 230000008901 benefit Effects 0.000 description 6
- 230000008025 crystallization Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 239000000047 product Substances 0.000 description 6
- 238000000926 separation method Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 239000012452 mother liquor Substances 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 239000007790 solid phase Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- BTBUEUYNUDRHOZ-UHFFFAOYSA-N Borate Chemical compound [O-]B([O-])[O-] BTBUEUYNUDRHOZ-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- NGJLGEKRRYVYAZ-UHFFFAOYSA-L S(=O)(=O)([O-])[O-].[Na+].B(O)(O)O.[Na+] Chemical compound S(=O)(=O)([O-])[O-].[Na+].B(O)(O)O.[Na+] NGJLGEKRRYVYAZ-UHFFFAOYSA-L 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 238000009533 lab test Methods 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000979 retarding effect Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 229960001763 zinc sulfate Drugs 0.000 description 1
- 229910000368 zinc sulfate Inorganic materials 0.000 description 1
- DXZMANYCMVCPIM-UHFFFAOYSA-L zinc;diethylphosphinate Chemical compound [Zn+2].CCP([O-])(=O)CC.CCP([O-])(=O)CC DXZMANYCMVCPIM-UHFFFAOYSA-L 0.000 description 1
Abstract
The utility model discloses a kind of zinc borate production wastewater treatment equipment, including MVR vapo(u)rization systems, concentrator, centrifuge A, solids holding vessel A, cooler crystallizer, solids holding vessel B, scraper type centrifuge, the water inlet connection waste water water source of MVR vapo(u)rization systems, the water outlet of MVR vapo(u)rization systems connects concentrator, the solids outlet connection centrifuge A of concentrator, supernatant outlet is by connecting scraper type centrifuge after cooler crystallizer, the solids outlet connection solids holding vessel A of centrifuge A, liquid outlet connects the water inlet of MVR vapo(u)rization systems, the solids outlet connection solids holding vessel B of scraper type centrifuge, liquid outlet connects the water inlet of MVR vapo(u)rization systems.This equipment can make that zinc borate produces the sodium sulphate in waste water and boric acid crystallizes precipitations respectively, two kinds of byproducts of recycling, and waste water evaporation process can be carried out continuously, and improve waste water treatment efficiency.
Description
Technical field
The utility model is related to sewage treatment equipment technical fields more particularly to a kind of zinc borate production wastewater treatment to set
It is standby.
Background technology
For zinc borate as a kind of novel halogen-free flame retardants, flame retarding efficiency is high, moderate, environmentally friendly, therefore
Application prospect is extremely wide, and at home and abroad yield is very big.Currently, zinc borate production technology is mainly borax-zinc sulfate method.This
Process will produce a large amount of Na+、Zn2+、SO2- 4、B2O2- 4Type inorganic wastewater (NaSO4Content 18% or so), if without place
The directly outer row of reason, will seriously pollute environment, the highly difficult of wastewater treatment constrains production efficiency.
Processing to high-salt wastewater, method the most cost-effective is evaporative crystallization.But to Na+、Zn2+、SO2- 4、
B2O2- 4During type inorganic wastewater is evaporated, it is precipitated with the crystallization of sodium sulphate, mother liquor can be enriched with B in system2O2- 4.When
B2O2- 4When being enriched to a certain concentration, a large amount of boric acid fine grain can be generated in vapo(u)rization system, easily block process pipe, and very
Difficulty is separated by solid-liquid separation.Gu after evaporating a period of time, it is necessary to which stop brush tank, and evaporation process is made to be difficult to continue progress.Processing is difficult
Degree is high, inefficiency.
Invention content
The utility model in view of the deficiencies of the prior art, develops a kind of zinc borate production wastewater treatment equipment, at the waste water
Reason equipment can efficiently be handled zinc borate production waste water.
The utility model solve technical problem technical solution be：On the one hand, the embodiments of the present invention provide one
Kind zinc borate production wastewater treatment equipment, including MVR vapo(u)rization systems, concentrator, centrifuge A, solids holding vessel A, cooling knot
Brilliant device, solids holding vessel B, scraper type centrifuge, the water inlet connection waste water water source of MVR vapo(u)rization systems, MVR vapo(u)rization systems
Water outlet connects concentrator, and the solids outlet of concentrator connects centrifuge A, supernatant outlet by being connected after cooler crystallizer
Scraper type centrifuge, the solids outlet connection solids holding vessel A of centrifuge A, liquid outlet connection MVR vapo(u)rization systems into
The mouth of a river, the water inlet of the solids outlet connection solids holding vessel B, liquid outlet connection MVR vapo(u)rization systems of scraper type centrifuge
Mouthful.
As an optimization, the MVR vapo(u)rization systems include that raw water tank, feed pump, temporary storage tank, heat exchanger, separator, steam add
Hot equipment, drainer, scratch pool, discharging pump, the water inlet connection waste water water source of raw water tank, the water outlet of raw water tank pass through charging
The temporary storage tank of connection is pumped, the water outlet of temporary storage tank connects concentrator by discharging pump, and separator is arranged in the top of temporary storage tank, point
Bottom from device is connected to temporary storage tank；The bottom of temporary storage tank is connected to heat exchanger, and cycle is provided between temporary storage tank and heat exchanger
It pumps, heating pipeline is provided in heat exchanger, heat the gas outlet of the entrance connection steam-heating apparatus of pipeline, heat going out for pipeline
Mouth connects drainer entrance, and steam (vapor) outlet is provided at the top of heat exchanger, and steam (vapor) outlet connects separator, set at the top of separator
It is equipped with indirect steam outlet, the air inlet of indirect steam outlet connection steam-heating apparatus；The water outlet connection of drainer is temporary
Pond is provided with condensation gas outlet at the top of drainer.Waste water enters heat exchanger after passing sequentially through raw water tank, feed pump, temporary storage tank,
Heated pipeline is thermally formed steam, and steam partially changes into liquid after entering separator, part keeps steam condition, liquid into
Enter temporary storage tank, steam enters heating tube road after steam-heating apparatus heats and heats stoste.
As an optimization, the MVR vapo(u)rization systems further include preheater, and cold water channel, hot water channel are provided in preheater,
Cold water channel is arranged between feed pump and temporary storage tank, and hot water channel is arranged between the water outlet and scratch pool of drainer.
As an optimization, the cross-sectional area of the separator is more than the cross-sectional area of heat exchanger.
As an optimization, the MVR vapo(u)rization systems also condensing gas holding vessel, condensation gas outlet connection condensing gas holding vessel into
Gas port, condensing gas holding vessel connect vacuum pump, exhaust passage, the row of condensing gas holding vessel are provided at the top of condensing gas holding vessel
The mouth of a river connects scratch pool.
As an optimization, the steam-heating apparatus is compressor.
As an optimization, the compressor is Roots Compressor, single machine high-speed centrifugal compressor, single machine low-speed centrifugal formula
Any one in fan-compressor.
As an optimization, the cooler crystallizer is to recycle pipe portion with the DTB type vacuum evaporation crystallizers for forcing outer circulation
It is arranged with tubular heat exchanger.
The effect provided in utility model content is only the effect of embodiment, rather than whole effects that utility model is all
Fruit, above-mentioned technical proposal has the following advantages that or advantageous effect：
1. equipment can make, zinc borate produces the sodium sulphate in waste water and boric acid crystallizes precipitation respectively, recycles two kinds of by-products
Product, and waste water evaporation process can be carried out continuously, and improve waste water treatment efficiency.
2. by using MVR vapo(u)rization systems, the potential of steam is taken full advantage of, discarded steam is utilized, except booting fortune
Row is outer, and entire evaporation process is without being passed through steam.
3. by the way that preheater is arranged, thermal energy is taken full advantage of, waste water treatment efficiency is improved.By the cross that separator is arranged
Area of section is more than the cross-sectional area of heat exchanger, and the space in separator is more than the space in heat exchanger, and steam enters separation
Pressure, temperature all decline after device, improve separating effect.
4. by the way that condensing gas holding vessel, vacuum pump is arranged, condensing gas be recovered under reduced pressure after moisture and is discharged again, is reduced
Pollution to air.
5. providing heat source by compressor, compared with conventional evaporator, temperature difference smaller can reach mild evaporation, pole
Big improves product quality.
Description of the drawings
Fig. 1 is a kind of schematic diagram of embodiment of the utility model.
Specific implementation mode
In order to clearly illustrate the technical characterstic of this programme, below by specific implementation mode, and its attached drawing is combined, to this
Utility model is described in detail.Following disclosure provides many different embodiments or example is used for realizing the utility model
Different structure.In order to simplify the disclosure of the utility model, hereinafter the component of specific examples and setting are described.This
Outside, the utility model can in different examples repeat reference numerals and/or letter.This repetition is in order to simplified and clear
Purpose itself does not indicate the relationship between discussed various embodiments and/or setting.It should be noted that illustrated in the accompanying drawings
Component be not drawn necessarily to scale.The utility model be omitted the description to known assemblies and treatment technology and process to avoid
It is unnecessarily limiting the utility model.
Fig. 1 is a kind of embodiment of the utility model, as shown, a kind of zinc borate production wastewater treatment equipment, including
MVR vapo(u)rization systems, concentrator 10, centrifuge A11, solids holding vessel A12, cooler crystallizer 9, solids holding vessel B122,
Scraper type centrifuge 112, the water inlet connection waste water water source of MVR vapo(u)rization systems, the water outlet of MVR vapo(u)rization systems connect concentrator
10, the solids of concentrator 10 outlet connection centrifuge A11, supernatant outlet by connected after cooler crystallizer 9 scraper type from
Scheming 112, the solids outlet connection solids holding vessel A12 of centrifuge A11, liquid outlet connection MVR vapo(u)rization systems into
The mouth of a river, solids outlet connection solids holding vessel B122, the liquid outlet of scraper type centrifuge 112 connect MVR vapo(u)rization systems
Water inlet.This equipment can make that zinc borate produces the sodium sulphate in waste water and boric acid crystallizes precipitations respectively, two kinds of byproducts of recycling,
And waste water evaporation process can be carried out continuously, and improve waste water treatment efficiency.Operation principle：Zinc borate production waste water is directly beaten
Enter MVR vapo(u)rization systems to be evaporated, 96 DEG C of evaporating temperature, system vacuum 35kPa.In evaporation process, with sulfate crystal
It is precipitated, B in mother liquor2O2- 4It is progressively enriched with.Evaporation capacity is controlled in sodium sulphate and boric acid saturated line hereinafter, sodium sulphate is made to tie as far as possible
Crystalline substance, and boric acid is not precipitated, and controls B in liquid phase2O2- 4Concentration is below 25%.It is control with solid content in evaporator in actual production
Processed, solid content controls below 15%.Material concentration discharges after reaching design value in device to be evaporated, and slurry squeezes into concentrator
10.Slurry 2 hours residence times or more in concentrator 10, bottom solid are mainly sodium sulphate, B2O2- 4It is primarily present in supernatant
In liquid.10 bottom material of concentrator is sent from scheming A11 and is separated by solid-liquid separation, and obtains solid phase sodium sulphate product, and liquid returns to MVR evaporations system
System；10 supernatant of concentrator send cooler crystallizer 9, controls 40 DEG C of temperature, and boric acid crystallization in cooler crystallizer 9 is made to be precipitated.Knot
After the completion of crystalline substance, scraper type centrifuge 112 is sent to be separated by solid-liquid separation, obtain solid phase boric acid product, centrifuge mother liquor sends MVR evaporators back to
Further it is concentrated by evaporation.The processing equipment realizes the separation of sodium sulphate and boric acid, when efficiently solving sulfate crystal because
B2O2- 4Enrichment generates fine grain, and caused by serious plugging phenomenon, so that production is carried out continuously.Meanwhile obtaining two high-purities
Product, recycled sodium sulphate and boric acid.The utility model grasps sulfuric acid by laboratory test and practical production experience
Sodium and boric acid mixed solution crystallization rule, obtain evaporation control point, sodium sulphate are made to be precipitated as much as possible in evaporation process, and
Boric acid is not precipitated, and effectively prevent vapo(u)rization system due to generating fine grain the phenomenon that plugging.Boric acid solution crystallization rule is grasped, in routine
In waste water evaporation technology, be added boric acid crystallization processes, using two sections of crystallisation modes of sodium sulphate-boric acid, respectively be made sodium sulphate and
Boric acid byproduct obtains larger economic benefit, while realizing solid waste zero-emission.
The MVR vapo(u)rization systems include raw water tank 1, feed pump 2, temporary storage tank 7, heat exchanger 4, separator 5, steam heating set
Standby 13, drainer 14, scratch pool 18, discharging pump 6, the water inlet connection waste water water source of raw water tank 1, the water outlet of raw water tank 1 are logical
The temporary storage tank 7 of the connection of feed pump 2 is crossed, the water outlet of temporary storage tank 7 connects concentrator 10 by discharging pump 6, and separator 5 is arranged temporary
The top of tank 7 is deposited, the bottom of separator 5 is connected to temporary storage tank 7；The bottom of temporary storage tank 7 is connected to heat exchanger 4, temporary storage tank 7 with change
It is provided with circulating pump 19 between hot device 4, heating pipeline 4-1 is provided in heat exchanger 4, the entrance of heating pipeline 4-1 connects steam
The outlet of the gas outlet of heating equipment 13, heating pipeline 4-1 connects 14 entrance of drainer, and the top of heat exchanger 4 is provided with steam
4-2 is exported, the top of steam (vapor) outlet 4-2 connections separator 5, separator 5 is provided with indirect steam outlet 5-1, and indirect steam goes out
The air inlet of mouth 5-1 connections steam-heating apparatus 13；The water outlet of drainer 14 connects scratch pool 18, and the top of drainer 14 is set
It is equipped with condensation gas outlet 14-1.Waste water enters heat exchanger 4, heated pipe after passing sequentially through raw water tank 1, feed pump 2, temporary storage tank 7
Road 4-1's is thermally formed steam, and steam partially changes into liquid after entering separator 5, and part keeps steam condition, liquid to enter temporary
Tank 7 is deposited, steam enters heating tube road 4-1 after the heating of steam-heating apparatus 13 and heats stoste.By using MVR vapo(u)rization systems,
Discarded steam is utilized in the potential for taking full advantage of steam, and in addition to being switched on and running, entire evaporation process is without being passed through steam.
The MVR vapo(u)rization systems further include preheater 3, and cold water channel 3-1, hot water channel 3-2 are provided in preheater 3,
Cold water channel 3-1 is arranged between feed pump 2 and temporary storage tank 7, hot water channel 3-2 be arranged water outlet in drainer 14 with it is temporary
Between pond 18.By the way that preheater 3 is arranged, thermal energy is taken full advantage of, waste water treatment efficiency is improved.
The cross-sectional area of the separator 5 is more than the cross-sectional area of heat exchanger 4.By the way that the transversal of separator 5 is arranged
Face area is more than the cross-sectional area of heat exchanger 4, and the space in separator 5 is more than the space in heat exchanger 4, and steam enters separation
Pressure, temperature all decline after device 5, improve separating effect.
The MVR vapo(u)rization systems also condensing gas holding vessel 15, condensation gas outlet 14-1 connection condensing gases holding vessel 15 into
Gas port, condensing gas holding vessel 15 connect vacuum pump 16, and the top of condensing gas holding vessel 15 is provided with exhaust passage 17, condensing gas storage
Deposit the discharge outlet connection scratch pool 18 of tank 15.By the way that condensing gas holding vessel 15, vacuum pump 16 is arranged, condensing gas is depressurized back
It is discharged again after receiving moisture, reduces the pollution to air.
The steam-heating apparatus 13 is compressor.Heat source, compared with conventional evaporator, temperature difference are provided by compressor
Smaller can reach mild evaporation, greatly improve product quality.
The compressor is Roots Compressor, single machine high-speed centrifugal compressor, the compression of single machine low-speed centrifugal formula wind turbine
Any one in machine.
The cooler crystallizer 9 is with the DTB type vacuum evaporation crystallizers for forcing outer circulation, and cycle tube portion is equipped with row
Pipe heat exchanger.Heat exchanger cools down recycle stock, and control material temperature makes boric acid sufficient crystallising at 40 DEG C or so.
Although above-mentioned be described the specific implementation mode of utility model in conjunction with attached drawing, not to the utility model
The limitation of protection domain, based on the technical solution of the present invention, those skilled in the art need not pay creativeness
The various modifications or changes that working can make are still within the scope of the present invention.
Claims (8)
1. a kind of zinc borate production wastewater treatment equipment, it is characterized in that：Including MVR vapo(u)rization systems, concentrator (10), centrifuge A
(11), solids holding vessel A (12), cooler crystallizer (9), solids holding vessel B (122), scraper type centrifuge (112), MVR
The water inlet connection waste water water source of vapo(u)rization system, the water outlet connection concentrator (10) of MVR vapo(u)rization systems, concentrator (10) are consolidated
Body object outlet connection centrifuge A (11), supernatant outlet connect scraper type centrifuge (112) afterwards by cooler crystallizer (9), from
The solids outlet connection solids holding vessel A (12) of scheming A (11), the water inlet of liquid outlet connection MVR vapo(u)rization systems, are scraped
Blade centrifuge (112) solids outlet connection solids holding vessel B (122), liquid outlet connection MVR vapo(u)rization systems into
The mouth of a river.
2. a kind of zinc borate production wastewater treatment equipment according to claim 1, characterized in that the MVR vapo(u)rization systems
Including raw water tank (1), feed pump (2), temporary storage tank (7), heat exchanger (4), separator (5), steam-heating apparatus (13), drainer
(14), scratch pool (18), discharging pump (6), the water inlet connection waste water water source of raw water tank (1), the water outlet of raw water tank (1) pass through
The water outlet of the temporary storage tank (7) of feed pump (2) connection, temporary storage tank (7) connects concentrator (10), separator by discharging pump (6)
(5) it is arranged in the top of temporary storage tank (7), the bottom of separator (5) is connected to temporary storage tank (7)；The bottom of temporary storage tank (7) and heat exchange
Device (4) is connected to, and circulating pump (19) is provided between temporary storage tank (7) and heat exchanger (4), heating pipeline is provided in heat exchanger (4)
(4-1), the gas outlet of the entrance connection steam-heating apparatus (13) of heating pipeline (4-1), the outlet connection of heating pipeline (4-1)
Drainer (14) entrance is provided with steam (vapor) outlet (4-2) at the top of heat exchanger (4), and steam (vapor) outlet (4-2) connects separator (5),
Indirect steam outlet (5-1) is provided at the top of separator (5), indirect steam exports (5-1) connection steam-heating apparatus (13)
Air inlet；The water outlet of drainer (14) connects scratch pool (18), and condensation gas outlet is provided at the top of drainer (14)
(14-1)。
3. a kind of zinc borate production wastewater treatment equipment according to claim 2, characterized in that the MVR vapo(u)rization systems
Further include preheater (3), is provided with cold water channel (3-1), hot water channel (3-2) in preheater (3), cold water channel (3-1) is set
It sets between feed pump (2) and temporary storage tank (7), water outlet and scratch pool in drainer (14) is arranged in hot water channel (3-2)
(18) between.
4. a kind of zinc borate production wastewater treatment equipment according to claim 2, characterized in that the separator (5)
Cross-sectional area is more than the cross-sectional area of heat exchanger (4).
5. a kind of zinc borate production wastewater treatment equipment according to claim 2, characterized in that the MVR vapo(u)rization systems
Also condensing gas holding vessel (15), the air inlet of condensation gas outlet (14-1) connection condensing gas holding vessel (15), condensing gas holding vessel
(15) vacuum pump (16) is connected, exhaust passage (17), condensing gas holding vessel (15) are provided at the top of condensing gas holding vessel (15)
Discharge outlet connection scratch pool (18).
6. a kind of zinc borate production wastewater treatment equipment according to claim 2, characterized in that the steam-heating apparatus
(13) it is compressor.
7. a kind of zinc borate production wastewater treatment equipment according to claim 6, characterized in that the compressor is Roots
Any one in formula compressor, single machine high-speed centrifugal compressor, single machine low-speed centrifugal formula fan-compressor.
8. a kind of zinc borate production wastewater treatment equipment according to claim 1, characterized in that the cooler crystallizer
(9) it is with the DTB type vacuum evaporation crystallizers for forcing outer circulation, cycle tube portion is equipped with tubular heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820030463.6U CN207845410U (en) | 2018-01-08 | 2018-01-08 | A kind of zinc borate production wastewater treatment equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820030463.6U CN207845410U (en) | 2018-01-08 | 2018-01-08 | A kind of zinc borate production wastewater treatment equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207845410U true CN207845410U (en) | 2018-09-11 |
Family
ID=63417534
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820030463.6U Expired - Fee Related CN207845410U (en) | 2018-01-08 | 2018-01-08 | A kind of zinc borate production wastewater treatment equipment |
Country Status (1)
| Country | Link |
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| CN (1) | CN207845410U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114230083A (en) * | 2021-12-30 | 2022-03-25 | 天津市生态环境科学研究院(天津市环境规划院、天津市低碳发展研究中心) | Method for online recycling of copper plating waste liquid in surface treatment of metal product |
| CN115159738A (en) * | 2022-08-19 | 2022-10-11 | 山东五维阻燃科技股份有限公司 | Method for separating and purifying zinc borate production wastewater by using phase diagram |
-
2018
- 2018-01-08 CN CN201820030463.6U patent/CN207845410U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114230083A (en) * | 2021-12-30 | 2022-03-25 | 天津市生态环境科学研究院(天津市环境规划院、天津市低碳发展研究中心) | Method for online recycling of copper plating waste liquid in surface treatment of metal product |
| CN115159738A (en) * | 2022-08-19 | 2022-10-11 | 山东五维阻燃科技股份有限公司 | Method for separating and purifying zinc borate production wastewater by using phase diagram |
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