CN107416865A - Sewage treatment potassium, sodium device - Google Patents
Sewage treatment potassium, sodium device Download PDFInfo
- Publication number
- CN107416865A CN107416865A CN201710739696.3A CN201710739696A CN107416865A CN 107416865 A CN107416865 A CN 107416865A CN 201710739696 A CN201710739696 A CN 201710739696A CN 107416865 A CN107416865 A CN 107416865A
- Authority
- CN
- China
- Prior art keywords
- woven hose
- pipe
- circulation
- centrifugal separator
- waste water
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 title claims abstract description 16
- 239000011591 potassium Substances 0.000 title claims abstract description 16
- 229910052700 potassium Inorganic materials 0.000 title claims abstract description 16
- 239000010865 sewage Substances 0.000 title claims abstract description 14
- 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 title claims abstract description 13
- 239000011734 sodium Substances 0.000 title claims abstract description 13
- 229910052708 sodium Inorganic materials 0.000 title claims abstract description 13
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims abstract description 80
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 claims abstract description 72
- 230000007246 mechanism Effects 0.000 claims abstract description 71
- 239000011780 sodium chloride Substances 0.000 claims abstract description 40
- 239000001103 potassium chloride Substances 0.000 claims abstract description 36
- 235000011164 potassium chloride Nutrition 0.000 claims abstract description 36
- 238000007599 discharging Methods 0.000 claims abstract description 10
- 239000002351 wastewater Substances 0.000 claims description 64
- 239000007788 liquid Substances 0.000 claims description 37
- 238000011144 upstream manufacturing Methods 0.000 claims description 6
- 238000004064 recycling Methods 0.000 claims description 4
- 238000005119 centrifugation Methods 0.000 claims description 3
- PVGBHEUCHKGFQP-UHFFFAOYSA-N sodium;n-[5-amino-2-(4-aminophenyl)sulfonylphenyl]sulfonylacetamide Chemical compound [Na+].CC(=O)NS(=O)(=O)C1=CC(N)=CC=C1S(=O)(=O)C1=CC=C(N)C=C1 PVGBHEUCHKGFQP-UHFFFAOYSA-N 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 14
- 230000000694 effects Effects 0.000 abstract description 4
- 239000000126 substance Substances 0.000 abstract description 2
- 238000000926 separation method Methods 0.000 description 14
- 230000008569 process Effects 0.000 description 8
- 239000010842 industrial wastewater Substances 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000011084 recovery Methods 0.000 description 5
- 239000012530 fluid Substances 0.000 description 4
- 238000001802 infusion Methods 0.000 description 4
- 238000002955 isolation Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000002425 crystallisation Methods 0.000 description 3
- 230000008025 crystallization Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- -1 kalium ion Chemical class 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- NPYPAHLBTDXSSS-UHFFFAOYSA-N Potassium ion Chemical compound [K+] NPYPAHLBTDXSSS-UHFFFAOYSA-N 0.000 description 1
- FKNQFGJONOIPTF-UHFFFAOYSA-N Sodium cation Chemical compound [Na+] FKNQFGJONOIPTF-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005660 chlorination reaction Methods 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000013067 intermediate product Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 229910001414 potassium ion Inorganic materials 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 229910001415 sodium ion Inorganic materials 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
- C01D3/00—Halides of sodium, potassium or alkali metals in general
- C01D3/04—Chlorides
Abstract
The invention belongs to technical field of chemical, provide Sewage treatment potassium, sodium device, sodium chloride recovering mechanism includes the first woven hose, the first plate type heat exchanger, the first evaporator, the second evaporator, the first centrifugal separator being sequentially connected, and the discharging opening of the first centrifugal separator is connected with sodium chloride tank；Potassium chloride recovering mechanism includes the second woven hose, the second plate type heat exchanger, the 3rd evaporator, the 4th evaporator, the second centrifugal separator being sequentially connected, and the discharging opening of the second centrifugal separator is connected with potassium chloride tank；The centrifugal separator of first circulation mechanism connection first and the first woven hose, the centrifugal separator of second circulation mechanism connection second and the second woven hose；The both ends of first exchange pipe are connected on first circulation pipe and the second woven hose, and the both ends of the second exchange pipe are connected on second circulation pipe and the first woven hose.Invention achieves the organic efficiency for improving single unit system, the technique effect of working time is reduced, reduces financial cost.
Description
Technical field
The present invention relates to technical field of chemical, and in particular to Sewage treatment potassium, sodium device.
Background technology
Industrial wastewater refers to the waste water discharged in art production process and waste liquid, wherein containing the industrial production outflowed with water
Caused pollutant in materials, intermediate product, byproduct and production process, it is to cause environmental pollution, particularly water pollution
Major reason.The processing of industrial wastewater is an important process before industrial wastewater discharge, to the resource in extraction industrial wastewater
And the pollution reduced to environment has significant beneficial effect.
At present, it is right in the market containing substantial amounts of recyclable resource, especially potassium ion and sodium ion in industrial wastewater
The method of the recycling of kalium ion and natrium ion is by being preheated to waste water in industrial wastewater, and feed liquid carries out shwoot condensing crystallizing
Isolate potassium chloride, condensing crystallizing carried out after the preheating of feed liquid after crystallization and isolates sodium chloride, circulation repeatedly, until potassium chloride and
Sodium chloride whole Crystallization Separation；But the time that this method expends is longer, and organic efficiency is relatively low, and financial cost is higher.
The content of the invention
For in the prior art the defects of, the present invention provides Sewage treatment potassium, sodium device, to improve organic efficiency, reduces
Working time.
To reach above-mentioned purpose, the present invention adopts the following technical scheme that：
Sewage treatment potassium, sodium device, including waste water tank, sodium chloride recovering mechanism, potassium chloride recovering mechanism, first circulation machine
Structure, second circulation mechanism and exchange mechanism；
The sodium chloride recovering mechanism include be sequentially connected the first woven hose, the first plate type heat exchanger, the first evaporator,
Second evaporator, the first centrifugal separator, the first liquid outlet of the waste water tank are connected with first woven hose, and described first
The discharging opening of centrifugal separator is connected with sodium chloride tank；
The potassium chloride recovering mechanism include be sequentially connected the second woven hose, the second plate type heat exchanger, the 3rd evaporator,
4th evaporator, the second centrifugal separator, the second liquid outlet of the waste water tank are connected with second woven hose, and described second
The discharging opening of centrifugal separator is connected with potassium chloride tank；
First centrifugal separator described in the first circulation mechanism connection and first woven hose, the second circulation machine
Structure connects second centrifugal separator and second woven hose；
The exchange mechanism includes first and exchanges pipe and the second exchange pipe, and the both ends of the first exchange pipe are connected to
On the first circulation pipe and second woven hose, the both ends of the second exchange pipe are connected to the second circulation pipe
With on first woven hose.
As a kind of perferred technical scheme, the first circulation mechanism includes the first charge pump, first circulation pipe and the
One magnetic valve, one end of the first circulation pipe connect the liquid outlet of first centrifugal separator, and the other end is connected to described
On first woven hose, first charge pump and first magnetic valve are all connected on the first circulation pipe.
As a kind of perferred technical scheme, the second circulation mechanism includes the second charge pump, second circulation pipe and the
Two magnetic valves, one end of the second circulation pipe connect the liquid outlet of second centrifugal separator, and the other end is connected to described
On second woven hose, second charge pump and the second solenoid valve are all connected on the second circulation pipe.
As a kind of perferred technical scheme, first woven hose is provided with the first valve, on second woven hose
Provided with the second valve.
As a kind of perferred technical scheme, the liquid feeding end of the first exchange pipe is connected on the first circulation pipe,
And it is connected to described positioned at the upstream end of first charge pump and first magnetic valve, the described first outlet end for exchanging pipe
On second woven hose, and the first exchanging pump and first are provided with positioned at the tract of first valve, the first exchange pipe
Exchange magnetic valve.
As a kind of perferred technical scheme, the liquid feeding end of the second exchange pipe is connected on the second circulation pipe,
And it is connected to described positioned at second charge pump and the upstream end of the second solenoid valve, the described second outlet end for exchanging pipe
On first woven hose, and the second exchanging pump and second are provided with positioned at the tract of second valve, the second exchange pipe
Exchange magnetic valve.
Due to using above technical scheme, the invention has the advantages that：
Sodium chloride recovering mechanism include be sequentially connected the first woven hose, the first plate type heat exchanger, the first evaporator, second
Evaporator, the first centrifugal separator, the first liquid outlet of waste water tank are connected with the first woven hose, the discharging of the first centrifugal separator
Mouth is connected with sodium chloride tank；Potassium chloride recovering mechanism includes the second woven hose, the second plate type heat exchanger, the 3rd steaming being sequentially connected
Tank, the 4th evaporator, the second centrifugal separator are sent out, the second liquid outlet of waste water tank is connected with the second woven hose, the second centrifugation point
The discharging opening disembarked is connected with potassium chloride tank；The centrifugal separator of first circulation mechanism connection first and the first woven hose, second follows
Ring mechanism connects the second centrifugal separator and the second woven hose；Exchange mechanism includes the first exchange pipe and the second exchange is managed, and first
The both ends for exchanging pipe are connected on first circulation pipe and the second woven hose, and the both ends of the second exchange pipe are connected to second
On circulation pipe and the first woven hose, in the use of the present invention, can be entered using sodium chloride recovering mechanism to the sodium chloride in waste water
Row separation and recovery, can be separated and recovered to the potassium chloride in waste water using potassium chloride recovering mechanism, utilizes first circulation machine
The waste water that first centrifugal separator exports can be transmitted back in the first woven hose by structure enters circulation and stress, so that waste water is carried out
Repeated isolation sodium chloride, until the sodium chloride separation in waste water is clean, second can be centrifuged using second circulation mechanism
The waste water of machine output, which is transmitted back in the second woven hose, enters circulation and stress, so that waste water carries out repeated isolation potassium chloride, until
Potassium chloride separation in waste water is clean, can be by the waste water and chlorine after circulation and stress in sodium chloride recovering mechanism using exchange mechanism
Change the waste water in potassium recovering mechanism after circulation and stress to swap, so that the potassium chloride and sodium chloride in waste water separate and recover
Totally.
First circulation mechanism includes the first charge pump, first circulation pipe and the first magnetic valve, and one end of first circulation pipe connects
The liquid outlet of the first centrifugal separator is connect, the other end is connected on the first woven hose, and the first charge pump and the first magnetic valve connect
It is connected on first circulation pipe, in the use of the present invention, the liquid outlet of the first centrifugal separator can be connected using first circulation pipe
With the first woven hose, the waste water after the first centrifugal separator is separated, which returns to be transported in the first plate type heat exchanger, carries out circulation point
From recovery sodium chloride, conveying that can be to waste water using the first charge pump provides power, can be by first using the first magnetic valve
The passage of circulation pipe is opened and closed.
Second circulation mechanism includes the second charge pump, second circulation pipe and second solenoid valve, and one end of second circulation pipe connects
The liquid outlet of the second centrifugal separator is connect, the other end is connected on the second woven hose, and the second charge pump and second solenoid valve connect
It is connected on second circulation pipe, in the use of the present invention, the liquid outlet of the second centrifugal separator can be connected using second circulation pipe
With the second woven hose, the waste water after the second centrifugal separator is separated, which returns to be transported in the second plate type heat exchanger, carries out circulation point
From recovery potassium chloride, conveying that can be to waste water using the second charge pump provides power, can be by second using second solenoid valve
The passage of circulation pipe is opened and closed.
First woven hose is provided with the first valve, and the second woven hose is provided with the second valve, in the use of the present invention, can be with
Waste water tank is opened and closed to the infusion channel of sodium chloride recovering mechanism, waste water can be opened and close by being set using the second valve
Infusion channel of the tank to potassium chloride recovering mechanism.
The liquid feeding end of first exchange pipe is connected on first circulation pipe, and positioned at the upper of the first charge pump and the first magnetic valve
You Duan, the outlet end of the first exchange pipe is connected on the second woven hose, and is exchanged positioned at the tract of the first valve, first on pipe
Magnetic valve is exchanged provided with the first exchanging pump and first, in the use of the present invention, setting and can protect using the position of the first exchange pipe
Card single unit system circulation is not interfere with each other with the process exchanged, can be the first conveying for exchanging waste water in pipe using the first exchanging pump
Power is provided, the passage of the first exchange pipe can be closed using the first exchange magnetic valve.
The liquid feeding end of second exchange pipe is connected on second circulation pipe, and positioned at the upper of the second charge pump and second solenoid valve
You Duan, the outlet end of the second exchange pipe is connected on the first woven hose, and is exchanged positioned at the tract of the second valve, second on pipe
Magnetic valve is exchanged provided with the second exchanging pump and second, in the use of the present invention, setting and can protect using the position of the second exchange pipe
Card single unit system circulation is not interfere with each other with the process exchanged, can be the second conveying for exchanging waste water in pipe using the second exchanging pump
Power is provided, the passage of the first exchange pipe can be closed using the second exchange magnetic valve.
In summary, invention achieves the organic efficiency for improving single unit system, the technique effect of working time is reduced, is dropped
Low financial cost, it is simple in construction, it is easy to use, suitable for large-scale promotion and use.
Brief description of the drawings
, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical scheme of the prior art
The required accompanying drawing used is briefly described in embodiment or description of the prior art.In all of the figs, similar element
Or part is typically identified by similar reference.In accompanying drawing, each element or part might not be drawn according to the ratio of reality.
Fig. 1 is the structural representation of the present invention；
In accompanying drawing, 1, waste water tank, 2, sodium chloride recovering mechanism, the 21, first woven hose, the 22, first plate type heat exchanger, 23,
First evaporator, the 24, second evaporator, the 25, first centrifugal separator, 26, sodium chloride tank, the 27, first valve, 3, potassium chloride returns
Receive mechanism, the 31, second woven hose, the 32, second plate type heat exchanger, the 33, the 3rd evaporator, the 34, the 4th evaporator, 35, second from
Centrifugal separator, 36, potassium chloride tank, the 37, second valve, 4, first circulation mechanism, the 41, first charge pump, 42, first circulation pipe,
43rd, the first magnetic valve, 5, second circulation mechanism, the 51, second charge pump, 52, second circulation pipe, 53, second solenoid valve, 6, exchange
Mechanism, 61, first exchanges pipe, and 62, second exchanges pipe, and the 63, first exchanging pump, the 64, second exchanging pump, 65, first exchanges electromagnetism
Valve, 66, second exchanges magnetic valve.
Embodiment
Technical scheme is described in detail below in conjunction with embodiment.Following examples are only used for more
Technical scheme is clearly demonstrated, therefore it is only used as example, and can not be limited the scope of the invention with this.
As shown in figure 1, Sewage treatment potassium, sodium device, including waste water tank 1, sodium chloride recovering mechanism 2, potassium chloride recycling machine
Structure 3, first circulation mechanism 4, second circulation mechanism 5 and exchange mechanism 6；
Sodium chloride recovering mechanism 2 includes the first woven hose 21, the first plate type heat exchanger 22, the first evaporator being sequentially connected
23rd, the second evaporator 24, the first centrifugal separator 25, the first liquid outlet of waste water tank 1 are connected with the first woven hose 21, first from
The discharging opening of centrifugal separator 25 is connected with sodium chloride tank 26；
Potassium chloride recovering mechanism 3 includes the second woven hose 31, the second plate type heat exchanger 32, the 3rd evaporator being sequentially connected
33rd, the 4th evaporator 34, the second centrifugal separator 35, the second liquid outlet of waste water tank 1 are connected with the second woven hose 31, second from
The discharging opening of centrifugal separator 35 is connected with potassium chloride tank 36；
First circulation mechanism 4 connects the first centrifugal separator 25 and the first woven hose 21, the connection of second circulation mechanism 5 second
The woven hose 31 of centrifugal separator 35 and second；
Exchange mechanism 6 includes first and exchanges the exchange pipe 62 of pipe 61 and second, and the both ends of the first exchange pipe 61 are connected to
On the woven hose 31 of first circulation pipe 42 and second, the both ends of the second exchange pipe 62 are connected to second circulation pipe 52 and first defeated
In liquid pipe 21.
Wherein, the sodium chloride in waste water can be separated and recovered using sodium chloride recovering mechanism 2, is returned using potassium chloride
Receiving mechanism 3 can separate and recover to the potassium chloride in waste water, can be by the first centrifugal separator using first circulation mechanism 4
The waste water of 25 outputs, which is transmitted back in the first woven hose 21, enters circulation and stress, so that waste water carries out repeated isolation sodium chloride, directly
Sodium chloride separation into waste water is clean, and the waste water that can be exported the second centrifugal separator 35 using second circulation mechanism 5 is defeated
Send back to and enter circulation and stress in the second woven hose 31, so that waste water carries out repeated isolation potassium chloride, until the chlorination in waste water
Potassium separation is clean, can be by the waste water after circulation and stress in sodium chloride recovering mechanism 2 and potassium chloride recycling machine using exchange mechanism 6
Waste water in structure 3 after circulation and stress swaps, so that the potassium chloride and sodium chloride in waste water separate and recover totally.
Invention achieves the organic efficiency for improving single unit system, the technique effect of working time is reduced, reduces economy
Cost, it is simple in construction, it is easy to use, suitable for large-scale promotion and use.
In the present embodiment, first circulation mechanism 4 includes the first charge pump 41, the magnetic valve 43 of first circulation pipe 42 and first,
One end of first circulation pipe 42 connects the liquid outlet of the first centrifugal separator 25, and the other end is connected on the first woven hose 21, the
One charge pump 41 and the first magnetic valve 43 are all connected on first circulation pipe 42, using first circulation pipe 42 can connect first from
The liquid outlet of centrifugal separator 25 and the first woven hose 21, the waste water after the first centrifugal separator 25 is separated, which returns, is transported to first
Multi-cycle separation recovery sodium chloride is carried out in plate type heat exchanger 22, conveying offer that can be to waste water using the first charge pump 41 is dynamic
Power, the passage of first circulation pipe 42 can be opened and closed using the first magnetic valve 43.
In the present embodiment, second circulation mechanism 5 includes the second charge pump 51, second circulation pipe 52 and second solenoid valve 53,
One end of second circulation pipe 52 connects the liquid outlet of the second centrifugal separator 35, and the other end is connected on the second woven hose 31, the
Two charge pumps 51 and second solenoid valve 53 are all connected on second circulation pipe 52, using second circulation pipe 52 can connect second from
The liquid outlet of centrifugal separator 35 and the second woven hose 31, the waste water after the second centrifugal separator 35 is separated, which returns, is transported to second
Multi-cycle separation recovery potassium chloride is carried out in plate type heat exchanger 32, conveying offer that can be to waste water using the second charge pump 51 is dynamic
Power, the passage of second circulation pipe 52 can be opened and closed using second solenoid valve 53.
In the present embodiment, the first woven hose 21 is provided with the first valve 27, and the second woven hose 31 is provided with the second valve 37,
Can open and close waste water tank 1 arrive sodium chloride recovering mechanism 2 infusion channel, using the second valve 37 set can open and
Close the infusion channel that waste water tank 1 arrives potassium chloride recovering mechanism 3.
In the present embodiment, the liquid feeding end of the first exchange pipe 61 is connected on first circulation pipe 42, and is located at the first charge pump
41 and first magnetic valve 43 upstream end, the outlet end of the first exchange pipe 61 is connected on the second woven hose 31, and positioned at first
The tract of valve 27, first, which exchanges pipe 61, is provided with the first exchanging pump and the first exchange magnetic valve 65, utilizes first to exchange and manages
61 position, which is set, can ensure that single unit system circulation is not interfere with each other with the process exchanged, can be first using the first exchanging pump
The conveying for exchanging waste water in pipe 61 provides power, and the passage progress of pipe 61 can be exchanged first by exchanging magnetic valve 65 using first
Close.
In the present embodiment, the liquid feeding end of the second exchange pipe 62 is connected on second circulation pipe 52, and is located at the second charge pump
51 and the upstream end of second solenoid valve 53, the outlet end of the second exchange pipe 62 is connected on the first woven hose 21, and positioned at second
The tract of valve 37, second, which exchanges pipe 62, is provided with the first exchanging pump 63 and the second exchange magnetic valve 66, utilizes second to exchange
The position of pipe 62, which is set, can ensure that single unit system circulation is not interfere with each other with the process exchanged, can be using the first exchanging pump 63
Second conveying for exchanging waste water in pipe 62 provides power, and exchanging magnetic valve 66 using second can be to the first passage for exchanging pipe 61
Closed.
Liquid level sensor and concentration sensor are provided with inside evaporator, strength of fluid sensor is in Practical Project and work
In industry production, it is often necessary to the concentration and viscosity of some High water based fluids such as slurries are monitored on-line, to ensure optimal mistake
Journey running environment and product quality, so as to improve productivity effect；By the strength of fluid and viscosity in on-line measurement production process,
The data of fluid stream behavior can be obtained, the technology controlling and process for predicting Product Process process, transporting and product make
The operability of used time has important guiding value.
When in use, a part of waste water goes out from the first of waste water tank 1 for the Sewage treatment potassium that is provided in the present embodiment, sodium device
Flowed out in liquid mouth, into sodium chloride recovering mechanism 2, the production waste water into sodium chloride recovering mechanism 2 passes through the first plate-type heat-exchange
Device 22 reclaims condensed water heat and preheated, and the evaporator that two series connection are discharged into by the feed liquid after heating carries out shwoot concentration
Crystallization, while control feed temperature to isolate sodium chloride by the first centrifugal separator 25, the waste water after separation in 20-50 degree
The first plate type heat exchanger 22, which is reentered, by first circulation mechanism 4 carries out circulation and stress；
A part of waste water flows out from the second liquid outlet of waste water tank 1, into potassium chloride recovering mechanism 3, into sodium chloride
The production waste water of recovering mechanism 2 reclaims condensed water heat by the second plate type heat exchanger 32 and preheated, and passes through the material after heating
The evaporators that liquid is discharged into two series connection carry out shwoot condensing crystallizings, while control feed temperature in 20-50 degree, by second from
Centrifugal separator 35 isolates potassium chloride, and the waste water after separation reenters the second plate type heat exchanger 32 by second circulation mechanism 5
Carry out circulation and stress；
Waste water after multi-cycle separation sodium chloride swaps with the waste water after multi-cycle separation potassium chloride by exchange mechanism 6,
Waste water after multi-cycle separation sodium chloride enters the circulation and stress that the second plate type heat exchanger 32 carries out potassium chloride, multi-cycle separation potassium chloride
Waste water afterwards enters the circulation and stress that the first plate type heat exchanger 22 carries out sodium chloride.
In the specification of the present invention, numerous specific details are set forth.It is to be appreciated, however, that embodiments of the invention can be with
Put into practice in the case of these no details.In some instances, known method, structure and skill is not been shown in detail
Art, so as not to obscure the understanding of this description.
Finally it should be noted that：Various embodiments above is merely illustrative of the technical solution of the present invention, rather than its limitations；To the greatest extent
The present invention is described in detail with reference to foregoing embodiments for pipe, it will be understood by those within the art that：Its according to
The technical scheme described in foregoing embodiments can so be modified, either which part or all technical characteristic are entered
Row equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technology
The scope of scheme, it all should cover among the claim of the present invention and the scope of specification.
Claims (6)
1. a kind of Sewage treatment potassium, sodium device, it is characterised in that：Including waste water tank, sodium chloride recovering mechanism, potassium chloride recycling machine
Structure, first circulation mechanism, second circulation mechanism and exchange mechanism；
The sodium chloride recovering mechanism include be sequentially connected the first woven hose, the first plate type heat exchanger, the first evaporator, second
Evaporator, the first centrifugal separator, the first liquid outlet of the waste water tank are connected with first woven hose, first centrifugation
The discharging opening of seperator is connected with sodium chloride tank；
The potassium chloride recovering mechanism include be sequentially connected the second woven hose, the second plate type heat exchanger, the 3rd evaporator, the 4th
Evaporator, the second centrifugal separator, the second liquid outlet of the waste water tank are connected with second woven hose, second centrifugation
The discharging opening of seperator is connected with potassium chloride tank；
First centrifugal separator described in the first circulation mechanism connection and first woven hose, the second circulation mechanism connect
Lead to second centrifugal separator and second woven hose；
The exchange mechanism exchanges pipe including first and the second exchange pipe, the described first both ends for exchanging pipe are connected to described
On first circulation pipe and second woven hose, the both ends of the second exchange pipe are connected to the second circulation pipe and institute
State on the first woven hose.
2. Sewage treatment potassium according to claim 1, sodium device, it is characterised in that：The first circulation mechanism includes the
One charge pump, first circulation pipe and the first magnetic valve, one end of the first circulation pipe connect first centrifugal separator
Liquid outlet, the other end are connected on first woven hose, and first charge pump and first magnetic valve are all connected to institute
State on first circulation pipe.
3. Sewage treatment potassium according to claim 2, sodium device, it is characterised in that：The second circulation mechanism includes the
Two charge pumps, second circulation pipe and second solenoid valve, one end of the second circulation pipe connect second centrifugal separator
Liquid outlet, the other end are connected on second woven hose, and second charge pump and the second solenoid valve are all connected to institute
State on second circulation pipe.
4. Sewage treatment potassium according to claim 3, sodium device, it is characterised in that：First woven hose is provided with the
One valve, second woven hose are provided with the second valve.
5. Sewage treatment potassium according to claim 4, sodium device, it is characterised in that：Described first exchanges the liquid feeding end of pipe
It is connected on the first circulation pipe, and is located at the upstream end of first charge pump and first magnetic valve, described first
The outlet end for exchanging pipe is connected on second woven hose, and is exchanged positioned at the tract of first valve, described first
Pipe is provided with the first exchanging pump and the first exchange magnetic valve.
6. Sewage treatment potassium according to claim 5, sodium device, it is characterised in that：Described second exchanges the liquid feeding end of pipe
It is connected on the second circulation pipe, and is located at the upstream end of second charge pump and the second solenoid valve, described second
The outlet end for exchanging pipe is connected on first woven hose, and is exchanged positioned at the tract of second valve, described second
Pipe is provided with the second exchanging pump and the second exchange magnetic valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710739696.3A CN107416865A (en) | 2017-08-25 | 2017-08-25 | Sewage treatment potassium, sodium device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710739696.3A CN107416865A (en) | 2017-08-25 | 2017-08-25 | Sewage treatment potassium, sodium device |
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| Publication Number | Publication Date |
|---|---|
| CN107416865A true CN107416865A (en) | 2017-12-01 |
Family
ID=60433985
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710739696.3A Pending CN107416865A (en) | 2017-08-25 | 2017-08-25 | Sewage treatment potassium, sodium device |
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| CN (1) | CN107416865A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101445255A (en) * | 2008-12-25 | 2009-06-03 | 中国中轻国际工程有限公司 | Technology with sea water as raw material for producing fresh water and sodium chloride |
| CN202594905U (en) * | 2012-02-23 | 2012-12-12 | 北京浦仁美华节能环保科技有限公司 | MVR (mechanical vapor recompression) efficient and energy-saving evaporating system |
| CN103086559A (en) * | 2013-02-26 | 2013-05-08 | 衡阳美仑颜料化工有限责任公司 | Device and method for zinc sulfate wastewater crystal separation treatment |
| CN105174290A (en) * | 2015-05-18 | 2015-12-23 | 深圳市瑞升华科技股份有限公司 | Separation process of potassium salt and sodium salt in concentrated brine |
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2017
- 2017-08-25 CN CN201710739696.3A patent/CN107416865A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101445255A (en) * | 2008-12-25 | 2009-06-03 | 中国中轻国际工程有限公司 | Technology with sea water as raw material for producing fresh water and sodium chloride |
| CN202594905U (en) * | 2012-02-23 | 2012-12-12 | 北京浦仁美华节能环保科技有限公司 | MVR (mechanical vapor recompression) efficient and energy-saving evaporating system |
| CN103086559A (en) * | 2013-02-26 | 2013-05-08 | 衡阳美仑颜料化工有限责任公司 | Device and method for zinc sulfate wastewater crystal separation treatment |
| CN105174290A (en) * | 2015-05-18 | 2015-12-23 | 深圳市瑞升华科技股份有限公司 | Separation process of potassium salt and sodium salt in concentrated brine |
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