CN209143742U - Salinity extracts recycling system in energy-saving wastewater from chemical industry - Google Patents
Salinity extracts recycling system in energy-saving wastewater from chemical industry Download PDFInfo
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- CN209143742U CN209143742U CN201821852293.6U CN201821852293U CN209143742U CN 209143742 U CN209143742 U CN 209143742U CN 201821852293 U CN201821852293 U CN 201821852293U CN 209143742 U CN209143742 U CN 209143742U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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Abstract
The utility model proposes energy-saving wastewater from chemical industry in salinity extract recycling system, including heat exchanger, first crystal separator, force heater in the first left side, force heater in the first right side, force separator in the second left side, force separator in the second right side, crystal separator is shunted on the left of third, crystal separator is shunted on the right side of third, third forces heater forward to left side, third forces heater to the left out, third forces heater forward to right side, third forces heater to the right out, left side thickener, right side thickener, left side compressor, right side compressor, the utility model is recycled using the secondary steam that internal system generates, not only reduce the temperature difference for forcing to heat in heater, reduce energy consumption, also save the usage amount of primary steam, the sodium chloride that this programme recycles can be used as Alternative materials use, to reduce the dosage of outsourcing salt, greatly reduce cost.
Description
Technical field
The utility model relates to salinities in energy-saving wastewater from chemical industry to extract recycling systems technology field, especially relate to
And salinity extracts recycling system in a kind of energy-saving wastewater from chemical industry.
Background technique
Our company can generate brine waste, in general, such waste water during producing Benzene Chloride, nitro-chlorobenzene, methyl phenyl ethers anisole
In contain a large amount of salinity, the wastewater treatment being used as in the three wastes not only significantly increases cost input by storage, processing,
And it polluted surrounding enviroment.
Summary of the invention
It is necessary to propose that salinity extracts recycling system in a kind of energy-saving wastewater from chemical industry.
Salinity extracts recycling system, including heat exchanger, the first Crystallization Separation in a kind of energy-saving wastewater from chemical industry
Device, the first left side force heater, the first right side to force heater, the second left side that separator, the second right side is forced to force separation
Crystal separator, third right side shunting crystal separator, third are shunted on the left of device, third forces heater, third forward to left side
Out to the left force heater, third forward to right side force heater, third out to the right force heater, left side thickener,
Right side thickener, left side compressor, right side compressor, the outlet of heat exchanger force the tubulation of heater side wall to enter with the first right side
Mouth connects, and the tubulation outlet at the top of the first right side forced heat-exchanging device is connect with the entrance of the first crystal separator side wall, the first knot
The outlet of brilliant separator sidewall forces the tubulation entrance at the top of separator to connect with the first left side, and separator bottom is forced in the first left side
The tubulation outlet in portion forces the tubulation entrance of heater base to connect by circulating pump with the first right side, after forming heat exchanging
The closure self-cycle structure of waste water temperature-pressure processing；
Gaseous phase outlet at the top of first crystal separator forces separator, the second right side to be forced by pipeline and the second left side
The gas phase entrance of separator sidewall connects, and the second left side forces gaseous phase outlet and left side suction port of compressor at the top of separator to connect
Connect, the second right side forces the gaseous phase outlet at top of separator to connect with right side suction port of compressor, the outlet of left side compressor and
The shell entrance connection of heater is forced in first left side, and the outlet of right side compressor forces the shell of heater to enter with the first right side
Mouth connection, the secondary steam for the heating that will pressurize, which is sent into, to be recycled；
Crystal separator is shunted on the left of the liquid-phase outlet and third of first crystal separator bottom, third right side shunts and crystallizes
The liquid phase entrance of separator sidewall connects, and a concentrate is sent out respectively；
The gaseous phase outlet at the top of crystal separator is shunted on the left of third forces the gas phase of separator sidewall to enter with the second left side
Secondary steam is forced the gaseous phase outlet at the top of separator to send to left side compressor temperature-pressure by mouth connection by the second left side
Processing, the gas phase that third right side shunts gaseous phase outlet and the second right side pressure separator sidewall side wall at the top of crystal separator enter
Secondary steam is forced the gaseous phase outlet at the top of separator to send to right side compressor temperature-pressure by mouth connection by the second right side
Processing；
The liquid-phase outlet that crystal separator bottom is shunted on the left of third is connect with left side thickener, to store secondary concentration
Liquid, the liquid-phase outlet that third right side shunts crystal separator bottom is connect with right side thickener, to store secondary concentration liquid；
The tubulation of heater is forced to enter to the left out forward to the tubulation outlet and third for forcing heater on the left of the third
Mouthful with shunt crystal separator on the left of third and connect, on the right side of the third forward to force the tubulation outlet of heater and third out to
Right side forces shunting crystal separator on the right side of tubulation entrance and the third of heater to be connected, and the outlet of left side compressor is also and third
Left side forward to forcing heater, go out on the left of third to the shell entrance connection for forcing heater, the outlet of right side compressor also with
Go out forward to pressure heater, third right side to the shell entrance connection for forcing heater on the right side of third.
It is strong into the first left side first by the stoste containing sodium chloride after plate heat exchanger exchanges heat in the utility model
Heater is forced on heater processed, the first right side, is heated to the biggish state of temperature, higher pressure, is entering the first Crystallization Separation
Device, after entering, since space is larger in the first crystal separator, pressure drop, so that the boiling point moment drop of the stoste entered
Low, the boiling of stoste moment flashes, so that the moisture in stoste becomes vapor and is discharged from top, it is strong into the second left side
Separator is forced on separator processed, the second right side, carries out secondary gas-liquid separation, on the left of isolated gas phase enters as secondary steam again
Compressor, right side compressor are by mechanical work, and temperature-pressure sends the use of the pressure heater in system back to again, to reduce
The temperature difference heated in heater is forced, energy consumption is reduced, also saves the usage amount of primary steam；
And the crystal obtained after the flash distillation of the first crystal separator forms a concentrate, is sent on the left of third and shunts knot
Crystal separator secondary crystallization is shunted on the right side of brilliant separator, third, so that forming the higher secondary concentration liquid of concentration is sent to a left side
Side thickener, right side thickener form sodium chloride siccative by centrifuge centrifugal dehydration in thickener, are used as recycling circulation
The material used, the raw material as used in caustic soda process include sodium chloride, so, the sodium chloride that this programme recycles can
To use as alternative materials, to reduce the dosage of outsourcing salt, cost is greatly reduced, also in our company production process
Brine waste has carried out purified treatment, reduces pollution of the waste water to environment, has accomplished clean manufacturing, green production, circulation life
It produces.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that salinity extracts recycling system in energy-saving wastewater from chemical industry.
In figure: heat exchanger 11, first the 21, first left side of crystal separator force the 211, first right side of heater to force heating
Force the 31, second right side of separator that separator 32, third left side is forced to shunt crystal separator 41, third in the 212, second left side of device
Force heater 411, third that heater 412, third right side is forced to shunt crystal separator 42, third to the left out forward to left side
Heater 421, third is forced to force heater 422, left side thickener 51, right side thickener 52, a left side to the right out forward to right side
Side compression machine 61, right side compressor 62, primary steam are sent into pipeline 71.
Specific embodiment
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is some embodiments of the utility model, for this
For the those of ordinary skill of field, without creative efforts, it can also be obtained according to these attached drawings others
Attached drawing.
Referring to Fig. 1, the utility model embodiment provides salinity in a kind of energy-saving wastewater from chemical industry and extracts recycling circulation benefit
The 211, first right side of heater is forced to force heater with system, including heat exchanger 11, first the 21, first left side of crystal separator
212, second the 31, second right side of left side pressure separator forces separator 32, third left side to shunt crystal separator 41, the third right side
Side shunt crystal separator 42, third forward to left side force heater 411, third out to the left force heater 412, third into
Heater 421, third is forced to force heater 422, left side thickener 51, right side thickener 52, left side to the right out to the right
Compressor 61, right side compressor 62, the outlet of heat exchanger 11 force the tubulation entrance of 212 side wall of heater to connect with the first right side
It connects, the tubulation outlet at 11 top of the first right side forced heat-exchanging device is connect with the entrance of 21 side wall of the first crystal separator, the first knot
The outlet of brilliant 21 side wall of separator forces the tubulation entrance at the top of separator to connect with the first left side, and separator is forced in the first left side
The tubulation outlet of bottom forces the tubulation entrance of 212 bottom of heater to connect by circulating pump with the first right side, to form exchange
The closure self-cycle structure of waste water temperature-pressure processing after heat；
The gaseous phase outlet at 21 top of the first crystal separator forces the 31, second right side of separator by pipeline and the second left side
The gas phase entrance connection of 32 side wall of separator is forced, the gaseous phase outlet and left side compressor at 31 top of separator are forced in the second left side
The connection of 61 entrances, the second right side force the gaseous phase outlet at the top of separator 32 to connect with 62 entrance of right side compressor, left side pressure
The outlet of contracting machine 61 forces the shell entrance of heater 211 to connect with the first left side, and the outlet of right side compressor 62 is right with first
The shell entrance connection of heater 212 is forced in side, and the secondary steam for the heating that will pressurize, which is sent into, to be recycled；
Crystal separator 41 is shunted on the left of the liquid-phase outlet and third of first crystal separator, 21 bottom, third right side shunts
The liquid phase entrance of 42 side wall of crystal separator connects, and a concentrate is sent out respectively；
Gaseous phase outlet and the second left side that 41 top of crystal separator is shunted on the left of third force the gas of 31 side wall of separator
Secondary steam is forced the gaseous phase outlet at 31 top of separator to send to left side compressor 61 by the connection of phase entrance by the second left side
Temperature-pressure processing, third right side shunts the gaseous phase outlet at 42 top of crystal separator and 32 side wall of separator is forced on the second right side
The gas phase entrance of side wall connects, and forces the gaseous phase outlet at 32 top of separator to send to right side by the second right side secondary steam
The processing of 62 temperature-pressure of compressor；
The liquid-phase outlet that 41 bottom of crystal separator is shunted on the left of third is connect with left side thickener 51, secondary dense to store
Contracting liquid, the liquid-phase outlet that third right side shunts 42 bottom of crystal separator is connect with right side thickener 52, to store secondary concentration
Liquid；
Force the tubulation of heater 412 on the left of the third to the left out forward to the tubulation outlet and third for forcing heater
Entrance is connected with shunting crystal separator 41 on the left of third, forward to the tubulation outlet and third for forcing heater on the right side of the third
The tubulation entrance of heater 422 is forced to be connected with shunting crystal separator 42 on the right side of third to the right out, left side compressor 61
Also with third left side forward to forcing heater, third left side to go out to forcing the shell entrance of heater to connect, right side is compressed for outlet
Exporting for machine 62 also goes out to the shell entrance of pressure heater to connect on the right side of third forward to pressure heater, third right side.
Further, the first left side force the right side of heater 211, first to force heater 212, on the left of third forward to forcing plus
Hot device and third left side go out equal to pressure heater to pressure heater, third right side forward to forcing heater, third right side to go out
For tube still heater, the tubulation inside is flowed for liquid phase stoste, forms vapor cavity between shell outside tubulation, use
It is flowed in secondary steam or steam.
In this way, the shell cavity outside several tubulations for forcing heater for steam flowing is connection, not only guarantee
The recycling of secondary steam or primary steam, but also several vapor (steam) temperatures and stability of flow forced in heater, is protected
Hold system run all right.
Further, the system also includes primary steams to be sent into pipeline 71, and primary steam is sent into pipeline 71 and left side is compressed
The outlet of machine 61 is connected with the outlet of right side compressor 62, and primary steam is supplemented in system.
Module or unit in the utility model embodiment device can be merged according to actual needs, divide and be deleted
Subtract.
Above disclosures are merely preferred embodiments of the utility model, the utility model cannot be limited with this certainly
Interest field, those skilled in the art can understand all or part of the processes for realizing the above embodiment, and according to this reality
The equivalent variations made by novel claim, still falls within the scope of the utility model.
Claims (3)
1. salinity extracts recycling system in a kind of energy-saving wastewater from chemical industry, it is characterised in that: including heat exchanger, first
Crystal separator, the first left side force heater, the first right side that heater, the second left side is forced to force separator, the second right side
It forces separator, third left side to shunt crystal separator, third right side shunting crystal separator, third and forces heating forward to left side
Device, third force heater, third to force heater, third to force heater, left side to the right out forward to right side to the left out
Heater side wall is forced with the first right side in thickener, right side thickener, left side compressor, right side compressor, the outlet of heat exchanger
The connection of tubulation entrance, the entrance of tubulation outlet and the first crystal separator side wall at the top of the first right side forced heat-exchanging device connects
It connects, the outlet of the first crystal separator side wall forces the tubulation entrance at the top of separator to connect with the first left side, and the first left side is strong
The tubulation outlet of separator bottom processed forces the tubulation entrance of heater base to connect by circulating pump with the first right side, to be formed
The closure self-cycle structure of waste water temperature-pressure processing after heat exchanging；
Gaseous phase outlet at the top of first crystal separator forces separator, the second right side to force to separate by pipeline with the second left side
The gas phase entrance of device side wall connects, and the second left side forces the gaseous phase outlet at the top of separator to connect with left side suction port of compressor, the
Two right sides force the gaseous phase outlet at the top of separator to connect with right side suction port of compressor, and the outlet of left side compressor is left with first
The shell entrance connection of heater is forced in side, and the outlet of right side compressor forces the shell entrance of heater to connect with the first right side
It connects, the secondary steam for the heating that will pressurize, which is sent into, to be recycled；
Crystal separator is shunted on the left of the liquid-phase outlet and third of first crystal separator bottom, third right side shunts Crystallization Separation
The liquid phase entrance of device side wall connects, and a concentrate is sent out respectively；
The gaseous phase outlet at the top of crystal separator is shunted on the left of third and the second left side forces the gas phase entrance of separator sidewall to connect
It connects, forces the gaseous phase outlet at the top of separator to send to the compressor temperature-pressure of left side by the second left side secondary steam
Reason, third right side shunt the gas phase entrance of gaseous phase outlet and the second right side pressure separator sidewall side wall at the top of crystal separator
Secondary steam is forced the gaseous phase outlet at the top of separator to send to the compressor temperature-pressure of right side by connection by the second right side
Reason；
The liquid-phase outlet that crystal separator bottom is shunted on the left of third is connect with left side thickener, to store secondary concentration liquid, the
The liquid-phase outlet that three right sides shunt crystal separator bottom is connect with right side thickener, to store secondary concentration liquid；
On the left of the third forward to the tubulation outlet and third for forcing heater force to the left out heater tubulation entrance and
Crystal separator series connection is shunted on the left of third, is gone out to the right on the right side of the third forward to the tubulation outlet and third for forcing heater
The tubulation entrance of heater is forced to be connected with shunting crystal separator on the right side of third, the outlet of left side compressor is also and on the left of third
Forward to forcing heater, go out on the left of third to the shell entrance connection for forcing heater, the outlet of right side compressor is also and third
Right side goes out forward to pressure heater, third right side to the shell entrance connection for forcing heater.
2. salinity extracts recycling system in energy-saving wastewater from chemical industry as described in claim 1, it is characterised in that: the
Pressure heater, the first right side force heater, third left side to go out forward to pressure heater and third left side to pressure on the left of in the of one
Going out forward to pressure heater, third right side to heater is forced on the right side of heater, third is tube still heater, the tubulation
Inside is flowed for liquid phase stoste, forms vapor cavity between shell outside tubulation, is flowed for secondary steam or steam.
3. salinity extracts recycling system in energy-saving wastewater from chemical industry as described in claim 1, it is characterised in that: institute
The system of stating further includes that primary steam is sent into pipeline, and primary steam is sent into outlet and the right side compressor of pipeline and left side compressor
Outlet connection, primary steam is supplemented in system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821852293.6U CN209143742U (en) | 2018-11-09 | 2018-11-09 | Salinity extracts recycling system in energy-saving wastewater from chemical industry |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821852293.6U CN209143742U (en) | 2018-11-09 | 2018-11-09 | Salinity extracts recycling system in energy-saving wastewater from chemical industry |
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| Publication Number | Publication Date |
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| CN209143742U true CN209143742U (en) | 2019-07-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821852293.6U Active CN209143742U (en) | 2018-11-09 | 2018-11-09 | Salinity extracts recycling system in energy-saving wastewater from chemical industry |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113648676A (en) * | 2021-09-23 | 2021-11-16 | 连云港诺信食品配料有限公司 | Evaporation plant is used in calcium propionate production |
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2018
- 2018-11-09 CN CN201821852293.6U patent/CN209143742U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113648676A (en) * | 2021-09-23 | 2021-11-16 | 连云港诺信食品配料有限公司 | Evaporation plant is used in calcium propionate production |
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