CN203820492U - Continuous wastewater evaporation-concentration-crystallization device - Google Patents
Continuous wastewater evaporation-concentration-crystallization device Download PDFInfo
- Publication number
- CN203820492U CN203820492U CN201420144900.9U CN201420144900U CN203820492U CN 203820492 U CN203820492 U CN 203820492U CN 201420144900 U CN201420144900 U CN 201420144900U CN 203820492 U CN203820492 U CN 203820492U
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- effect
- triple
- triple effect
- well heater
- floatation
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- Expired - Lifetime
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- 239000002351 wastewater Substances 0.000 title claims abstract description 24
- 238000002425 crystallisation Methods 0.000 title claims abstract description 18
- 238000001704 evaporation Methods 0.000 claims abstract description 44
- 230000008020 evaporation Effects 0.000 claims abstract description 44
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 28
- 239000000463 material Substances 0.000 claims abstract description 10
- 230000000694 effects Effects 0.000 claims description 238
- 239000007788 liquid Substances 0.000 claims description 18
- 230000008025 crystallization Effects 0.000 claims description 16
- 239000003595 mist Substances 0.000 claims description 15
- 238000007599 discharging Methods 0.000 claims description 8
- 239000000498 cooling water Substances 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 7
- 239000012530 fluid Substances 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 3
- 230000007246 mechanism Effects 0.000 claims description 3
- 238000005188 flotation Methods 0.000 abstract description 6
- 238000004140 cleaning Methods 0.000 abstract description 2
- 238000010924 continuous production Methods 0.000 abstract 1
- 150000003839 salts Chemical class 0.000 description 8
- 239000013078 crystal Substances 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 239000002002 slurry Substances 0.000 description 3
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000012266 salt solution Substances 0.000 description 2
- 229920002472 Starch Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000001223 reverse osmosis Methods 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000006200 vaporizer Substances 0.000 description 1
Landscapes
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
Abstract
The utility model discloses a continuous wastewater evaporation-concentration-crystallization device, comprising a feed pump, a discharge pump, a one-effect flotation device, a one-effect heater, a one-effect evaporation separator, a two-effect flotation device, a two-effect heater, a two-effect evaporation separator, a three-effect flotation device, a three-effect heater, a three-effect evaporation separator, a condenser, a condensed water tank, a condensed water pump and a water ring vacuum pump, wherein the feed pump is respectively communicated with the material inlets of the one-effect evaporation separator, the two-effect evaporation separator and the three-effect evaporation separator. The device disclosed by the utility model can be used for saving energy and greatly prolonging the cleaning cycle of equipment, hardly cause equipment scaling and pipe blockage, can ensure continuous production, and is high in concentration ratio.
Description
Technical field
The utility model relates to a kind of waste water consecutive evaporation concentration and crystallization device.
Background technology
At present, at percolate, reverse osmosis concentrated water, in the treating processes of electroplating wastewater, for these high densitys, biochemical is poor, high in salt, high metal ion, the waste water of high COD is often because because the limitation of existing installation, cause facility investment large, energy consumption is large, poor processing effect, water outlet can not be up to standard etc. phenomenon, conventional multiple-effect evaporation concentration and crystallization device is because waste water is well heater internal recycle rate slow (its speed of circulation can only reach 0.4m/s～0.5m/s), concentrated solution or salt crystal can not be discharged system in time, can only in well heater, circulate by high density band crystal, very easy fouling plugging, cause production to carry out continuously.
Utility model content
The purpose of this utility model is to overcome the defect existing in prior art, and a kind of compact construction is provided, and floor space is little, the waste water consecutive evaporation concentration and crystallization device of obvious energy conservation.
For achieving the above object, the technical solution of the utility model has been to provide a kind of waste water consecutive evaporation concentration and crystallization device, comprise fresh feed pump, discharging pump, one effect floatation device, one effect well heater, one effect vapor seperator, two effect floatation devices, two effect well heaters, two effect vapor seperators, triple effect floatation device, triple effect well heater, triple effect evaporation separator, condenser, condensate water pot, condensate pump, water ring vacuum pump, described fresh feed pump respectively with a described effect vapor seperator, two described effect vapor seperators, the material inlet of described triple effect evaporation separator is connected, a described effect well heater is arranged at the below of a described effect vapor seperator and is connected with thermal oil expansion drum, a described effect floatation device is arranged at the below of a described effect well heater, two described effect well heaters are arranged at the below of two described effect vapor seperators, two described effect floatation devices are arranged at the below of two described effect well heaters, described triple effect well heater is arranged at the below of described triple effect evaporation separator, described triple effect floatation device is arranged at the below of described triple effect well heater, a described effect floatation device, two described effect floatation devices, described triple effect floatation device has respectively material outlet and liquid relief outlet, described material outlet is connected with described discharging pump, a described effect vapor seperator and described two is imitated between well heaters and is connected by an effect secondary steam pipe, between two described effect vapor seperators and described triple effect well heater, be connected by two effect secondary steam pipes, described triple effect evaporation separator is connected by triple effect secondary steam pipe with described condenser, described condensate water pot is positioned at the below of described condenser and it is connected with described condensate pump, described water ring vacuum pump is connected with described condenser, on described condenser, there is entrance of cooling water and cooling water outlet, described each structure and parts are all by PLC Controlled by Programmable Controller.
As preferably, on a described effect secondary steam pipe, be provided with an effect mist eliminator, and it is connected with a described effect vapor seperator, on two described effect secondary steam pipes, be provided with two effect mist eliminators, and it is connected with two described effect vapor seperators, on described triple effect secondary steam pipe, be provided with triple effect mist eliminator, and it is connected with described triple effect evaporation separator.
As preferably, between described two effect secondary steam pipes, described two effect well heaters, described triple effect well heater three, be connected by two effect vapour liquid separators, described triple effect well heater, described triple effect secondary steam pipe, described condensate water pot three are connected by triple effect vapour liquid separator.
As preferably, the below of a described effect well heater is provided with electric heater unit.
As preferably, in described electric heater unit, be provided with automatic temperature control system and thermal oil temperature, Level Detection protection mechanism.
As preferably, in a described effect vapor seperator, be provided with an effect whipping appts, in two described effect vapor seperators, be provided with two effect whipping apptss, in described triple effect evaporation separator, be provided with triple effect whipping appts.
As preferably, a described effect well heater, two described effect well heaters and described triple effect well heater include and are arranged at the central downtake of three inside and are positioned at the heating tube in described central downtake outside.
As preferably, a described effect floatation device, two described effect floatation devices, described triple effect floatation device include floatation device body, be arranged at the described intrinsic redistributor of floatation device, be arranged at the tubaeform director of described floatation device body upper end.
As preferably, the fluid inlet place, upper end of described tubaeform director is provided with cage ring.
As preferably, also comprise the controlling box for controlling.
Advantage of the present utility model and beneficial effect are: this device saves the energy, greatly extended the cleaning interval of equipment, be not easy to cause equipment scaling and plugging, make to produce can carry out continuously, concentration rate is high.
Brief description of the drawings
Fig. 1 is schematic diagram of the present utility model.
Wherein: 1, fresh feed pump; 2, discharging pump; 3, an effect floatation device; 4, electric heater unit; 5, an effect well heater; 6, an effect vapor seperator; 7, thermal oil expansion drum; 8, an effect whipping appts; 9, an effect mist eliminator; 10, an effect secondary steam pipe; 11, two effect mist eliminators; 12, two effect vapour liquid separators; 13, two effect floatation devices; 14, two effect secondary steam pipes; 15, central downtake; 16, heating tube; 17, two effect well heaters; 18, two effect vapor seperators; 19, two effect whipping apptss; 20, triple effect floatation device; 21, triple effect well heater; 22, triple effect evaporation separator; 23, triple effect whipping appts; 24, triple effect mist eliminator; 25, triple effect secondary steam pipe; 26, condenser; 27, triple effect vapour liquid separator; 28, condensate water pot; 29, condensate pump; 30, water ring vacuum pump; 31, controlling box.
Embodiment
Below in conjunction with drawings and Examples, embodiment of the present utility model is further described.Following examples are only for the technical solution of the utility model is more clearly described, and can not limit protection domain of the present utility model with this.
As shown in Figure 1, a kind of waste water consecutive evaporation concentration and crystallization device, comprises fresh feed pump 1, discharging pump 2, one effect floatation device 3, one effect well heater 5, one effect vapor seperator 6, two effect floatation devices 13, two effect well heaters 17, two effect vapor seperators 18, triple effect floatation device 20, triple effect well heater 21, triple effect evaporation separator 22, condenser 26, condensate water pot 28, condensate pump 29, water ring vacuum pump 30, and controlling box 31, fresh feed pump 1 respectively with an effect vapor seperator 6, two effect vapor seperators 18, the material inlet of triple effect evaporation separator 22 is connected, one effect well heater 5 is arranged at the below of an effect vapor seperator 6 and is connected with thermal oil expansion drum 7, one effect floatation device 3 is arranged at the below of an effect well heater 5, two effect well heaters 17 are arranged at the below of two effect vapor seperators 18, two effect floatation devices 13 are arranged at the below of two effect well heaters 17, triple effect well heater 21 is arranged at the below of triple effect evaporation separator 22, and triple effect floatation device 20 is arranged at the below of triple effect well heater 21, an effect floatation device 3, two effect floatation devices 13, triple effect floatation device 20 has respectively material outlet and liquid relief outlet, material outlet is connected with discharging pump 2, between one effect vapor seperator 6 and two effect well heaters 17, be connected by an effect secondary steam pipe 10, between two effect vapor seperators 18 and triple effect well heater 21, be connected by two effect secondary steam pipes 14, triple effect evaporation separator 22 is connected by triple effect secondary steam pipe 25 with condenser 26, condensate water pot 28 is positioned at the below of condenser 26 and it is connected with condensate pump 29, water ring vacuum pump 30 is connected with condenser 26, on condenser 26, have entrance of cooling water and cooling water outlet, each structure and parts are all by PLC Controlled by Programmable Controller.
As shown in Figure 1, on one effect secondary steam pipe 10, be provided with an effect mist eliminator 9, and it is connected with an effect vapor seperator 6, on two effect secondary steam pipes 14, be provided with two effect mist eliminators 11, and it is connected with two effect vapor seperators 18, on triple effect secondary steam pipe 25, be provided with triple effect mist eliminator 24, and it is connected with triple effect evaporation separator 22.
As shown in Figure 1, between two effect secondary steam pipes 14, two effect well heaters 17, triple effect well heater 21 threes, be connected by two effect vapour liquid separators 12, triple effect well heater 21, triple effect secondary steam pipe 25, condensate water pot 28 threes are connected by triple effect vapour liquid separator 27.
As shown in Figure 1, the below of an effect well heater 5 is provided with electric heater unit 4, is provided with automatic temperature control system and thermal oil temperature, Level Detection protection mechanism in electric heater unit 4.
As shown in Figure 1, in an effect vapor seperator 6, be provided with in effect whipping appts 8, two effect vapor seperators 18 and be provided with two effect whipping apptss 19, in triple effect evaporation separator 22, be provided with triple effect whipping appts 23.
As shown in Figure 1, an effect well heater 5, two effect well heaters 17 and triple effect well heater 21 include the heating tube 16 that is arranged at the central downtake 15 of three inside and is positioned at central downtake 15 outsides.
As shown in Figure 1, one effect floatation device 3, two effect floatation devices 13, triple effect floatation device 20 includes floatation device body, be arranged at the intrinsic redistributor of floatation device, be arranged at the tubaeform director of floatation device body upper end, the fluid inlet place, upper end of tubaeform director is provided with cage ring, crystal in the floatation device of access to plant bottom, the solution entering from floatation device bottom liquid inlet pipe, through the redistributor of floatation device inside, salt solution is evenly upwards flowed, salt crystal is fluidized and suspends in floatation device, the flotation salt solution that carries thin crystalline substance upwards flows along the annular zone between tubaeform director and floatation device body, the salt slurry stream of avoiding and decline disturbs, flotation fluid upwards passes through the fluid inlet of tubaeform director upper end, walking around loop isolation stall enters in continuous cooling crystallizer, this cage ring can effectively stop the salt that continuous cooling crystallizer flows down to starch the short circuit through fluid inlet, and can only enter floatation device downwards through tubaeform director, the concentrated salt slurry that reaches predetermined particle size through flotation is continuously discharged from the salt slurry outlet of floatation device bottom.
Principle of work: waste water enters respectively an effect vapor seperator 6 by fresh feed pump 1 simultaneously, two effects are steamed and are separated hair device, triple effect evaporation separator 22, after reaching work liquid level, open electric heater unit 4, the cooling water intakeoutfall of open cold condenser 26 simultaneously, pass into water coolant, then open water ring vacuum pump 30 vacuumizes system, electric heater unit 4 makes an effect well heater 5, two effect well heaters 17, when wastewater temperature in triple effect well heater 21 reaches design temperature separately, start vaporizer, the secondary steam that one effect vapor seperator 6 produces first enters two effect well heaters 17 through an effect mist eliminator 9 and an effect secondary steam pipe 10, waste water in two effect well heaters 17 is heated, waste water in heating tube 16 is because the liquid-vapor mixture producing after being heated in axial direction upwards flows, arrive after two effect vapor seperators 18, vapour phase continues to rise and enters triple effect well heater 21 through two effect mist eliminators 11 as thermal source, liquid phase under two effect propeller agitator and actings in conjunction density difference along axially flowing downward at central downtake 15, now, the downward flow velocity of liquid can reach 1.5m/s～2.0 m/s, the underflow that proportion is high or the salt particle of separating out can continue to drop in two effect floatation devices 13, get system via discharging pump 2, the liquid phase that concentration is low is got back to and in heating tube 16, is continued heating evaporation circulation, two effect well heater 17 water of condensation enter two effect vapour liquid separators 12, because of aftereffect temperature low, vacuum tightness is high and flash off a part, form steam along with the secondary steam of two effects enters triple effect well heater 21 as thermal source together, the liquid of two effect vapour liquid separators 12 enters the bottom of triple effect well heater 21, together along with the water of condensation of triple effect well heater 21 enters in triple effect vapour liquid separator 27, enter afterwards condensate water pot 28, simultaneously, the secondary steam producing in triple effect evaporation separator 22 enters condenser 26 through triple effect mist eliminator 24 and triple effect secondary steam pipe 25, after cooling, reach condensate water pot 28, get system by condensate pump 29.
The above is only preferred implementation of the present utility model; should be understood that; for those skilled in the art; do not departing under the prerequisite of the utility model know-why; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (10)
1. a waste water consecutive evaporation concentration and crystallization device, it is characterized in that: comprise fresh feed pump, discharging pump, one effect floatation device, one effect well heater, one effect vapor seperator, two effect floatation devices, two effect well heaters, two effect vapor seperators, triple effect floatation device, triple effect well heater, triple effect evaporation separator, condenser, condensate water pot, condensate pump, water ring vacuum pump, described fresh feed pump respectively with a described effect vapor seperator, two described effect vapor seperators, the material inlet of described triple effect evaporation separator is connected, a described effect well heater is arranged at the below of a described effect vapor seperator and is connected with thermal oil expansion drum, a described effect floatation device is arranged at the below of a described effect well heater, two described effect well heaters are arranged at the below of two described effect vapor seperators, two described effect floatation devices are arranged at the below of two described effect well heaters, described triple effect well heater is arranged at the below of described triple effect evaporation separator, described triple effect floatation device is arranged at the below of described triple effect well heater, a described effect floatation device, two described effect floatation devices, described triple effect floatation device has respectively material outlet and liquid relief outlet, described material outlet is connected with described discharging pump, a described effect vapor seperator and described two is imitated between well heaters and is connected by an effect secondary steam pipe, between two described effect vapor seperators and described triple effect well heater, be connected by two effect secondary steam pipes, described triple effect evaporation separator is connected by triple effect secondary steam pipe with described condenser, described condensate water pot is positioned at the below of described condenser and it is connected with described condensate pump, described water ring vacuum pump is connected with described condenser, on described condenser, there is entrance of cooling water and cooling water outlet, described each structure and parts are all by PLC Controlled by Programmable Controller.
2. waste water consecutive evaporation concentration and crystallization device as claimed in claim 1, it is characterized in that: on a described effect secondary steam pipe, be provided with an effect mist eliminator, and it is connected with a described effect vapor seperator, on two described effect secondary steam pipes, be provided with two effect mist eliminators, and it is connected with two described effect vapor seperators, on described triple effect secondary steam pipe, be provided with triple effect mist eliminator, and it is connected with described triple effect evaporation separator.
3. waste water consecutive evaporation concentration and crystallization device as claimed in claim 1, it is characterized in that: between described two effect secondary steam pipes, described two effect well heaters, described triple effect well heater three, be connected by two effect vapour liquid separators, described triple effect well heater, described triple effect secondary steam pipe, described condensate water pot three are connected by triple effect vapour liquid separator.
4. waste water consecutive evaporation concentration and crystallization device as claimed in claim 1, is characterized in that: the below of a described effect well heater is provided with electric heater unit.
5. waste water consecutive evaporation concentration and crystallization device as claimed in claim 4, is characterized in that: in described electric heater unit, be provided with automatic temperature control system and thermal oil temperature, Level Detection protection mechanism.
6. waste water consecutive evaporation concentration and crystallization device as claimed in claim 1, it is characterized in that: in a described effect vapor seperator, be provided with an effect whipping appts, in two described effect vapor seperators, be provided with two effect whipping apptss, in described triple effect evaporation separator, be provided with triple effect whipping appts.
7. waste water consecutive evaporation concentration and crystallization device as claimed in claim 1, is characterized in that: a described effect well heater, two described effect well heaters and described triple effect well heater include and be arranged at the central downtake of three inside and be positioned at the heating tube in described central downtake outside.
8. waste water consecutive evaporation concentration and crystallization device as claimed in claim 1, is characterized in that: a described effect floatation device, two described effect floatation devices, described triple effect floatation device include floatation device body, be arranged at the described intrinsic redistributor of floatation device, be arranged at the tubaeform director of described floatation device body upper end.
9. waste water consecutive evaporation concentration and crystallization device as claimed in claim 8, is characterized in that: the fluid inlet place, upper end of described tubaeform director is provided with cage ring.
10. waste water consecutive evaporation concentration and crystallization device as claimed in claim 1, is characterized in that: also comprise the controlling box for controlling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420144900.9U CN203820492U (en) | 2014-03-27 | 2014-03-27 | Continuous wastewater evaporation-concentration-crystallization device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420144900.9U CN203820492U (en) | 2014-03-27 | 2014-03-27 | Continuous wastewater evaporation-concentration-crystallization device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203820492U true CN203820492U (en) | 2014-09-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420144900.9U Expired - Lifetime CN203820492U (en) | 2014-03-27 | 2014-03-27 | Continuous wastewater evaporation-concentration-crystallization device |
Country Status (1)
| Country | Link |
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| CN (1) | CN203820492U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105854339A (en) * | 2016-05-12 | 2016-08-17 | 江阴市江中设备制造有限公司 | MVR (mechanical vapor recompression) evaporative crystallizer with scale removing and preventing functions |
| CN107935289A (en) * | 2017-12-25 | 2018-04-20 | 青岛国标环保有限公司 | A kind of electroplating wastewater zero processing system |
| CN110217843A (en) * | 2019-07-02 | 2019-09-10 | 常州嘉强蒸发器有限公司 | A kind of automatic waste water three-effect evaporation and condensation system |
| CN111732272A (en) * | 2020-06-17 | 2020-10-02 | 江苏江中纪元科技有限公司 | Multi-effect evaporation crystallization equipment with pretreatment and multi-effect evaporation crystallization process |
| CN111747463A (en) * | 2020-06-17 | 2020-10-09 | 江苏江中纪元科技有限公司 | Multi-effect evaporation crystallization equipment and multi-effect evaporation crystallization process |
-
2014
- 2014-03-27 CN CN201420144900.9U patent/CN203820492U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105854339A (en) * | 2016-05-12 | 2016-08-17 | 江阴市江中设备制造有限公司 | MVR (mechanical vapor recompression) evaporative crystallizer with scale removing and preventing functions |
| CN107935289A (en) * | 2017-12-25 | 2018-04-20 | 青岛国标环保有限公司 | A kind of electroplating wastewater zero processing system |
| CN110217843A (en) * | 2019-07-02 | 2019-09-10 | 常州嘉强蒸发器有限公司 | A kind of automatic waste water three-effect evaporation and condensation system |
| CN111732272A (en) * | 2020-06-17 | 2020-10-02 | 江苏江中纪元科技有限公司 | Multi-effect evaporation crystallization equipment with pretreatment and multi-effect evaporation crystallization process |
| CN111747463A (en) * | 2020-06-17 | 2020-10-09 | 江苏江中纪元科技有限公司 | Multi-effect evaporation crystallization equipment and multi-effect evaporation crystallization process |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140910 |