CN207361977U - A kind of industry high-salt wastewater evaporative crystallization Zero discharging system - Google Patents
A kind of industry high-salt wastewater evaporative crystallization Zero discharging system Download PDFInfo
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- CN207361977U CN207361977U CN201721013349.4U CN201721013349U CN207361977U CN 207361977 U CN207361977 U CN 207361977U CN 201721013349 U CN201721013349 U CN 201721013349U CN 207361977 U CN207361977 U CN 207361977U
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- salt
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- 239000011780 sodium chloride Substances 0.000 title claims abstract description 75
- 239000002351 wastewater Substances 0.000 title claims abstract description 68
- 238000007599 discharging Methods 0.000 title claims abstract description 26
- 238000002425 crystallisation Methods 0.000 title claims abstract description 16
- 230000005712 crystallization Effects 0.000 title claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 25
- 238000010438 heat treatment Methods 0.000 claims abstract description 22
- 238000009413 insulation Methods 0.000 claims abstract description 18
- 238000000926 separation method Methods 0.000 claims abstract description 12
- 238000001704 evaporation Methods 0.000 claims abstract description 9
- 238000007906 compression Methods 0.000 claims description 10
- 239000007788 liquid Substances 0.000 claims description 10
- 238000010992 reflux Methods 0.000 claims description 5
- 239000012528 membrane Substances 0.000 claims description 3
- 238000004321 preservation Methods 0.000 claims description 3
- 230000032258 transport Effects 0.000 claims description 2
- 238000001914 filtration Methods 0.000 claims 1
- 238000007781 pre-processing Methods 0.000 claims 1
- 238000010025 steaming Methods 0.000 claims 1
- 150000003839 salts Chemical class 0.000 abstract description 13
- 239000007787 solid Substances 0.000 abstract description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000000746 purification Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 10
- VEXZGXHMUGYJMC-UHFFFAOYSA-M chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 3
- 244000005700 microbiome Species 0.000 description 3
- 241000276438 Gadus morhua Species 0.000 description 2
- 235000019516 cod Nutrition 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- PZZOEXPDTYIBPI-UHFFFAOYSA-N 2-[[2-(4-hydroxyphenyl)ethylamino]methyl]-3,4-dihydro-2H-naphthalen-1-one Chemical compound C1=CC(O)=CC=C1CCNCC1C(=O)C2=CC=CC=C2CC1 PZZOEXPDTYIBPI-UHFFFAOYSA-N 0.000 description 1
- 210000003128 Head Anatomy 0.000 description 1
- CVTZKFWZDBJAHE-UHFFFAOYSA-N [N].N Chemical compound [N].N CVTZKFWZDBJAHE-UHFFFAOYSA-N 0.000 description 1
- 238000010170 biological method Methods 0.000 description 1
- 230000003139 buffering Effects 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 230000000607 poisoning Effects 0.000 description 1
- 231100000572 poisoning Toxicity 0.000 description 1
- 239000000941 radioactive substance Substances 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Abstract
It the utility model is related to technical field of waste water purification, and in particular to a kind of industry high-salt wastewater evaporative crystallization Zero discharging system, the Zero discharging system include：Heat exchanger, for being heated to high-salt wastewater；Evaporator, for receiving the high-salt wastewater from heat exchanger and carrying out heating evaporation；Heat insulation tank, the high-salt wastewater of flash tank is carried out for receiving and carries out insulated and stirred；Crystallizing tank, for receiving the high-salt wastewater from heat insulation tank and carrying out flash concentration；Centrifugal separation equipment, for receiving the high-salt wastewater from crystallizing tank and being centrifuged.Industrial high-salt wastewater after Tthe utility model system is handled can realize 30 60 times of concentration, derivative is solid content and condensed water, and wherein solid content is complex salt, and finished industrial product salt can be obtained after separation is dry, condensed water can reuse to production line, realize the zero-emission of high-salt wastewater.
Description
Technical field
It the utility model is related to technical field of waste water purification, and in particular to a kind of industry high-salt wastewater evaporative crystallization zero-emission
System.
Background technology
Industrial high-salt wastewater refers to waste water of total saliferous mass fraction more than 1%, contains salt, organic matter, a huge sum of money in waste water
Belong to, even radioactive substance, its way of production is extensive, and water also increases year by year, it is therefore desirable to which industrial high-salt wastewater is carried out
Deal carefully with, avoid it from causing ill effect to environment.
When handling high-salt wastewater using chemical method, COD, ammonia nitrogen, partial organic substances can only be handled, but for height
Salinity in salt waste water but cannot be removed effectively；When high-salt wastewater salinity is relatively low；When being handled by biological method, high salt can press down
The growth of microorganism processed is even as the murder by poisoning agent of microorganism；When diluting into salinity water, although microorganism will not be suppressed,
Huge water resource waste, increase investment and operating cost are caused, and the difficulty of acclimated activated sludge is higher.
Utility model content
In order to overcome shortcoming and defect existing in the prior art, the purpose of this utility model is to provide a kind of industry is high
Salt waste water evaporative crystallization Zero discharging system, high-salt wastewater is handled by way of evaporating, concentrating and crystallizing, finally realizes zero-emission, warp
Ji is efficient.
The purpose of this utility model is achieved through the following technical solutions：
A kind of industry high-salt wastewater evaporative crystallization Zero discharging system, the Zero discharging system include：
Heat exchanger, for being heated to high-salt wastewater；
Evaporator, for receiving the high-salt wastewater from heat exchanger and carrying out heating evaporation；
Heat insulation tank, the high-salt wastewater of flash tank is carried out for receiving and carries out insulated and stirred；
Crystallizing tank, for receiving the high-salt wastewater from heat insulation tank and carrying out flash concentration；
Centrifugal separation equipment, for receiving the high-salt wastewater from crystallizing tank and being centrifuged.
Wherein, the side of the evaporator is equipped with the inlet connected with heat exchanger outlet, and lower end is equipped with and heat insulation tank
The liquid outlet of inlet connection, upper end are equipped with the refluxing opening connected with evaporator liquid outlet；
The evaporator is internally provided with steam-heating pipe, and the steam-heating pipe is used to heat under evaporator refluxing opening
The high-salt wastewater fallen.
Wherein, the Zero discharging system further includes vapour compression machine and condensed water Disengagement zone, the condensed water Disengagement zone
Air inlet is connected with the gas outlet of steam-heating pipe, the air inlet of the vapour compression machine, gas outlet respectively with condensed moisture from
The gas outlet in area, the air inlet connection of steam-heating pipe, the condensed water Disengagement zone is used to collect condensed water as heat exchanger
Heat source.
Wherein, the Zero discharging system further includes the first vacuum pump, and the evaporator is equipped with steam (vapor) outlet and vacuum orifice,
The steam (vapor) outlet is connected with the air inlet of vapour compression machine, and the vacuum orifice is connected with the first vacuum pump.
Wherein, agitating device is equipped with the heat insulation tank, the outer wall of the heat insulation tank is coated with one layer of heat preservation layer.
Wherein, the Zero discharging system further includes heater, condenser, steam jet ejector and the second vacuum pump, described to add
Hot device heats the high-salt wastewater from crystallizing tank and transports back the high-salt wastewater after heating in crystallizing tank, and the heater receives
Steam from steam jet ejector is as heat source, the gas outlet air inlet with steam jet ejector, the condensation respectively of the crystallizing tank
The air inlet connection of device, the gas outlet of the condenser are connected with the second vacuum pump, and the heater and condenser are equipped with cold
Condensate exports.
Wherein, the centrifugal separation equipment includes shell, the filter vat being arranged in shell and driving filter vat rotation
Driving mechanism, the side wall of the filter vat is equipped with filter membrane.
Wherein, the Zero discharging system further includes pretreatment tank, and the pretreatment tank is equipped with dosing mouth, the pretreatment tank
Liquid outlet connected with the inlet of heat exchanger.
The beneficial effects of the utility model are：The utility model is handled high salt by way of evaporating, concentrating and crystallizing and given up
Water, finally realizes zero-emission, economical and efficient.Industrial high-salt wastewater after Tthe utility model system is handled can realize 30-60
Concentration again, derivative is solid content and condensed water, and wherein solid content is complex salt, and finished industrial product can be obtained after separation is dry
Salt, condensed water can reuse to production line, realize the zero-emission of high-salt wastewater.
Brief description of the drawings
Fig. 1 is the system schematic of the utility model；
Reference numeral is：1- pretreatment tank, 2- heat exchangers, 3- evaporators, 31- steam-heating pipes, 32- condensed moistures from
Area, 33- vapour compression machines, the first vacuum pumps of 34-, 4- heat insulation tanks, 41- agitating devices, 42- insulating layers, 5- crystallizing tanks, 51- add
Hot device, 52- condensers, 53- steam jet ejectors, the second vacuum pumps of 54-, 6- centrifugal separation equipments, 61- shells, 62- filter vats,
63- driving mechanisms.
Embodiment
For the ease of the understanding of those skilled in the art, the utility model is made into one with reference to embodiment and attached drawing 1
The explanation of step, the content that embodiment refers to not are the restriction to the utility model.
See Fig. 1, a kind of industry high-salt wastewater evaporative crystallization Zero discharging system, the Zero discharging system includes：
Heat exchanger 2, for being heated to high-salt wastewater；
Evaporator 3, for receiving the high-salt wastewater from heat exchanger 2 and carrying out heating evaporation；
Heat insulation tank 4, the high-salt wastewater of flash tank 3 is carried out for receiving and carries out insulated and stirred；
Crystallizing tank 5, for receiving the high-salt wastewater from heat insulation tank 4 and carrying out flash concentration；
Centrifugal separation equipment 6, for receiving the high-salt wastewater from crystallizing tank 5 and being centrifuged.
The utility model handles high-salt wastewater by way of evaporating, concentrating and crystallizing, finally realizes zero-emission, economical and efficient.
Industrial high-salt wastewater after Tthe utility model system is handled can realize 30-60 times of concentration, and derivative is solid content and cold
Condensate, wherein solid content are complex salt, can obtain finished industrial product salt after separation is dry, condensed water can reuse to production line, it is real
The zero-emission of existing high-salt wastewater.
Wherein, the side of the evaporator 3 is equipped with the inlet connected with 2 liquid outlet of heat exchanger, and lower end is equipped with and insulation
The liquid outlet of 4 inlet of tank connection, upper end are equipped with the refluxing opening connected with 3 liquid outlet of evaporator；
The evaporator 3 is internally provided with steam-heating pipe 31, and the steam-heating pipe 31 is used to heat to return from evaporator 3
The high-salt wastewater that head piece falls.
Wherein, the Zero discharging system further includes vapour compression machine 33 and condensed water Disengagement zone 32, the condensed moisture from
The air inlet in area 32 is connected with the gas outlet of steam-heating pipe 31, the air inlet of the vapour compression machine 33, gas outlet respectively with
The gas outlet of condensed water Disengagement zone 32, the air inlet connection of steam-heating pipe 31, the condensed water Disengagement zone 32 is used to collect cold
Heat source of the condensate as heat exchanger 2.
Wherein, the Zero discharging system further includes the first vacuum pump 34, and the evaporator 3 is equipped with steam (vapor) outlet and vacuumizes
Mouthful, the steam (vapor) outlet is connected with the air inlet of vapour compression machine 33, and the vacuum orifice is connected with the first vacuum pump 34.
The utility model realizes the secondary use to steam by vapour compression machine 33, and by vacuum pump to evaporator
3 are depressurized, and reduce the latent heat that high-salt wastewater evaporation needs, and realize 5-10 times of concentration rate, equipment operating cost is low, into one
Steam-heating pipe 31, can be arranged to tortuous formula by step ground, increase heat exchange area, improve heat exchange efficiency.
Wherein, agitating device 41 is equipped with the heat insulation tank 4, the outer wall of the heat insulation tank 4 is coated with one layer of heat preservation layer 42.
Heat insulation tank 4 is as evaporator 3 and the buffering filter plant of crystallizing tank 5, and unsaturation can be avoided, which to salt out, causes tank body to lump, at the same time
Heat is prevented to scatter and disappear.
Wherein, the Zero discharging system further includes heater 51, condenser 52,53 and second vacuum pump of steam jet ejector
54, the heater 51 heats the high-salt wastewater from crystallizing tank 5, and the high-salt wastewater after heating is transported back in crystallizing tank 5, described
Heater 51 receives the steam from steam jet ejector 53 and is sprayed respectively with steam as heat source, the gas outlet of the crystallizing tank 5
The air inlet connection of the air inlet, condenser 52 of device 53, the gas outlet of the condenser 52 is connected with the second vacuum pump 54, described
Heater 51 and condenser 52 are equipped with condensation-water drain.Crystallizing tank 5 can carry out 6-8 times by vacuum flashing to high-salt wastewater
Concentration, the condensed water evaporated by collecting the high-salt wastewater that heater 51 and condenser 52 obtain carries out reuse, reaches this reality
The high-salt wastewater that solid content is 80%-90% is obtained with the purpose of new high-salt wastewater reuse, and from crystallizing tank 5.
Wherein, the centrifugal separation equipment 6 includes shell 61, the filter vat 62 being arranged in shell 61 and drove
The rotating driving mechanism 63 of lauter tub 62, the side wall of the filter vat 62 are equipped with filter membrane.Solid content is that the high salt of 80%-90% is given up
Water is by centrifugal separation equipment 6, and final solid state, avoids the disclosure risk in transportational process, and what centrifugation produced crosses drainage
Reuse can then be continued.
Wherein, the Zero discharging system further includes pretreatment tank 1, and the pretreatment tank 1 is equipped with dosing mouth, the pretreatment
The liquid outlet of tank 1 is connected with the inlet of heat exchanger 2.In industrial high-salt wastewater, COD, chloride ion content are higher, at dosing
Reason, COD in high-salt wastewater and chloride ion content are reduced, are conducive to subsequent treatment, meanwhile, reducing chloride ion content can be reduced pair
Evaporation concentration equipment corrosiveness, is conducive to partial crystallization and extends service life of equipment.
In the present embodiment, steam-heating pipe 31 can connect extra steam supplement with the air inlet of steam jet ejector 53
Source, realizes that long-acting the stablizing of system operates.
Above-described embodiment is the preferable implementation of the utility model, and in addition, the utility model can be with other sides
Formula is realized, any without departing from the concept of the premise utility obviously to replace in the protection model of the utility model
Within enclosing.
Claims (8)
- A kind of 1. industry high-salt wastewater evaporative crystallization Zero discharging system, it is characterised in that：The Zero discharging system includes：Heat exchanger, for being heated to high-salt wastewater；Evaporator, for receiving the high-salt wastewater from heat exchanger and carrying out heating evaporation；Heat insulation tank, the high-salt wastewater of flash tank is carried out for receiving and carries out insulated and stirred；Crystallizing tank, for receiving the high-salt wastewater from heat insulation tank and carrying out flash concentration；Centrifugal separation equipment, for receiving the high-salt wastewater from crystallizing tank and being centrifuged.
- A kind of 2. industrial high-salt wastewater evaporative crystallization Zero discharging system according to claim 1, it is characterised in that：The steaming The side of hair tank is equipped with the inlet connected with heat exchanger outlet, and lower end is equipped with the liquid outlet connected with heat insulation tank inlet, Upper end is equipped with the refluxing opening connected with evaporator liquid outlet；The evaporator is internally provided with steam-heating pipe, and the steam adds Heat pipe is used to heat the high-salt wastewater to fall from evaporator refluxing opening.
- A kind of 3. industrial high-salt wastewater evaporative crystallization Zero discharging system according to claim 2, it is characterised in that：Described zero Exhaust system further includes vapour compression machine and condensed water Disengagement zone, the air inlet of the condensed water Disengagement zone and steam-heating pipe Gas outlet connects, the air inlet of the vapour compression machine, the gas outlet gas outlet with condensed water Disengagement zone, steam-heating pipe respectively Air inlet connection, the condensed water Disengagement zone be used for collect heat source of the condensed water as heat exchanger.
- A kind of 4. industrial high-salt wastewater evaporative crystallization Zero discharging system according to claim 3, it is characterised in that：Described zero Exhaust system further includes the first vacuum pump, and the evaporator is equipped with steam (vapor) outlet and vacuum orifice, the steam (vapor) outlet and steam The air inlet connection of compressor, the vacuum orifice are connected with the first vacuum pump.
- A kind of 5. industrial high-salt wastewater evaporative crystallization Zero discharging system according to claim 1, it is characterised in that：The guarantor Agitating device is equipped with warm tank, the outer wall of the heat insulation tank is coated with one layer of heat preservation layer.
- A kind of 6. industrial high-salt wastewater evaporative crystallization Zero discharging system according to claim 1, it is characterised in that：Described zero Exhaust system further includes heater, condenser, steam jet ejector and the second vacuum pump, and the heater heating is from crystallizing tank High-salt wastewater simultaneously transports back the high-salt wastewater after heating in crystallizing tank, and the heater receives the steam from steam jet ejector As heat source, the air inlet with steam jet ejector, the air inlet of condenser connect respectively for the gas outlet of the crystallizing tank, described cold The gas outlet of condenser is connected with the second vacuum pump, and the heater and condenser are equipped with condensation-water drain.
- A kind of 7. industrial high-salt wastewater evaporative crystallization Zero discharging system according to claim 1, it is characterised in that：It is described from Heart separation equipment includes shell, the filter vat being arranged in shell and the driving rotating driving mechanism of filter vat, the filtering The side wall of bucket is equipped with filter membrane.
- A kind of 8. industrial high-salt wastewater evaporative crystallization Zero discharging system according to claim 1, it is characterised in that：Described zero Exhaust system further includes pretreatment tank, and the pretreatment tank is equipped with dosing mouth, the liquid outlet for pre-processing tank and heat exchanger Inlet connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721013349.4U CN207361977U (en) | 2017-08-14 | 2017-08-14 | A kind of industry high-salt wastewater evaporative crystallization Zero discharging system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721013349.4U CN207361977U (en) | 2017-08-14 | 2017-08-14 | A kind of industry high-salt wastewater evaporative crystallization Zero discharging system |
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| CN207361977U true CN207361977U (en) | 2018-05-15 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107265737A (en) * | 2017-08-14 | 2017-10-20 | 东莞东元环境科技股份有限公司 | A kind of industrial high-salt wastewater evaporative crystallization Zero discharging system and method |
| CN110395838A (en) * | 2019-08-23 | 2019-11-01 | 山西维纳泰克科技有限公司 | A kind of high-salt wastewater evaporative crystallization zero-emission equipment |
| CN113149313A (en) * | 2021-04-15 | 2021-07-23 | 江苏乾宏能源科技有限公司 | High salt waste water resource utilization's system |
| CN113772884A (en) * | 2021-09-03 | 2021-12-10 | 西安交通大学 | Coking wastewater treatment system and method |
-
2017
- 2017-08-14 CN CN201721013349.4U patent/CN207361977U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107265737A (en) * | 2017-08-14 | 2017-10-20 | 东莞东元环境科技股份有限公司 | A kind of industrial high-salt wastewater evaporative crystallization Zero discharging system and method |
| CN110395838A (en) * | 2019-08-23 | 2019-11-01 | 山西维纳泰克科技有限公司 | A kind of high-salt wastewater evaporative crystallization zero-emission equipment |
| CN113149313A (en) * | 2021-04-15 | 2021-07-23 | 江苏乾宏能源科技有限公司 | High salt waste water resource utilization's system |
| CN113772884A (en) * | 2021-09-03 | 2021-12-10 | 西安交通大学 | Coking wastewater treatment system and method |
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