CN213865455U - Reclaimed water triple-effect evaporator - Google Patents

Reclaimed water triple-effect evaporator Download PDF

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Publication number
CN213865455U
CN213865455U CN202022291518.9U CN202022291518U CN213865455U CN 213865455 U CN213865455 U CN 213865455U CN 202022291518 U CN202022291518 U CN 202022291518U CN 213865455 U CN213865455 U CN 213865455U
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salt
effect
forced circulation
circulation crystallization
evaporator
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CN202022291518.9U
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胡学林
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Jiangsu Aoxie Chemical Co ltd
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Jiangsu Aoxie Chemical Co ltd
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Abstract

A regenerated water triple-effect evaporator comprises a single-effect forced circulation crystallization evaporator, a double-effect forced circulation crystallization evaporator, an evaporation heat exchange chamber, a high-salt-content wastewater storage tank, a feeding pump, an S01 salt collecting chamber, an S02 salt collecting chamber, a triple-effect forced circulation crystallization evaporator, an S04 salt collecting chamber, an E03 condenser, an E04 condenser, a stirring chamber, a centrifugal machine, a mother liquor tank, a single-effect circulating pump, a double-effect circulating pump, a triple-effect circulating pump, a discharge pump, a condensate water pump and a mother liquor pump. According to the reclaimed water three-effect evaporator, high-salt-content wastewater flows from the one-effect forced circulation crystallization evaporator to the two-effect forced circulation crystallization evaporator and then flows from the two-effect forced circulation crystallization evaporator to the three-effect forced circulation crystallization evaporator, so that the wastewater is continuously evaporated, the salt concentration in the wastewater is improved, salt in the water can be continuously separated out, the separated solid salt is sent to a salt storage tank, the separated wastewater enters the two-effect forced circulation crystallization evaporator to be heated, the whole process is repeated, and the final separation of water and salt is realized; realizing zero discharge of the regenerated wastewater and the external sale of solid salt.

Description

Reclaimed water triple-effect evaporator
Technical Field
The utility model relates to a waste water treatment equipment technical field specifically provides a reclaimed water triple effect evaporimeter.
Background
The existing wastewater contains a large amount of salt, and after the wastewater is directly discharged, serious pollution can be caused, such as salinization of land can be caused; if the wastewater is treated before being discharged, the pollution is greatly reduced, the salt in the wastewater can be sufficiently separated and reused for production, and the production cost is reduced, while the treatment cost of the reclaimed water of the EFDT is high and zero discharge treatment is required. Therefore, aiming at the defects of the prior art, a regenerated water triple-effect evaporator is provided.
Disclosure of Invention
In order to overcome the deficiencies in the prior art, the utility model discloses a mould gas tightness detection device, it can realize that regeneration waste water zero row and solid salt sell outward.
In order to realize the above purpose, the utility model discloses a reclaimed water triple-effect evaporator, including an effect forced circulation crystallization evaporator, two effect forced circulation crystallization evaporators, evaporation heat transfer room, high salt waste water storage tank, charge pump, S01 collection salt room, S02 collection salt room, three effect forced circulation crystallization evaporators, S04 collection salt room, E03 condenser, E04 condenser, teeter chamber, centrifuge, mother liquor jar, one effect circulating pump, two effect circulating pump, three effect circulating pump, discharge pump, condensate pump and mother liquor pump, the feed liquor termination mother liquor input mother liquor of high salt waste water storage tank, the play liquid end of high salt waste water storage tank is connected to evaporation heat transfer room through the charge pump, the indoor E05 pre-heater that is equipped with of evaporation heat transfer, the play liquid end of evaporation heat transfer room is connected to the feed liquor end of one effect forced circulation crystallization evaporators through the pipe connection; the first-effect forced circulation crystallization evaporator is communicated with the second-effect forced circulation crystallization evaporator and is connected to the inlet end of the S01 salt collecting chamber; the two-effect forced circulation crystallization evaporator is communicated with the three-effect forced circulation crystallization evaporator and is connected to the inlet of the S02 salt collecting chamber; the outlet end of the three-effect forced circulation crystallization evaporator is connected to the inlet end of the E04 condenser, the bottom end of the three-effect forced circulation crystallization evaporator is connected to the inlet end of the E03 condenser, and the top end of the E03 condenser is connected back to the inlet end of the three-effect forced circulation crystallization evaporator; the upper end of the E04 condenser is connected with a circulating cooling water discharge pipe, the upper end of the E04 condenser is connected with a circulating cooling water discharge pipe, the lower end of the E04 condenser is connected with a circulating cooling water inlet pipe, and the bottom end of the E04 condenser is connected to the input end of the S04 salt collecting chamber; the outlet end of the S01 salt collecting chamber is connected with the outlet end of the one-effect forced circulation crystallization evaporator and then connected to the inlet end of the one-effect circulating pump, and the outlet end of the one-effect circulating pump is connected with a sewage discharge pipe; the outlet end of the S02 salt collecting chamber is connected with the outlet end of the double-effect forced circulation crystallization evaporator and then connected to the inlet end of a double-effect circulating pump, and the outlet end of the double-effect circulating pump is connected with a sewage discharge pipe; the outlet end of the S02 salt collecting chamber is connected with the inlet end of an E03 condenser, the outlet end of one side of the triple-effect forced circulation crystallization evaporator is connected with an E03 condenser and then connected to the inlet end of a triple-effect circulating pump, and the outlet end of the triple-effect forced circulation crystallization evaporator is connected with a drain pipe; the outlet end of the other side of the triple-effect forced circulation crystallization evaporator is connected to a discharge pump, the outlet end of the discharge pump is connected to the inlet end of a stirring chamber, the outlet end of the stirring chamber is connected to the inlet end of a centrifuge, and the outlet end of the centrifuge is connected to a salt crystal discharge pipe; the discharging end of the centrifuge is positioned at the upper end of the mother liquor tank, the outlet end of the mother liquor tank is connected to the inlet end of the mother liquor pump, and the outlet end of the mother liquor pump is connected with a sewage discharge pipe; and the outlet end of the S04 salt collecting chamber is connected to the inlet end of a condensate pump, and the outlet end of the condensate pump is connected with a sewage discharge pipe.
Preferably, the outlet at the bottom end of the one-effect forced circulation crystallization evaporator is connected with a circulating pump, and the other end of the circulating pump is connected back to the feeding pump.
Preferably, the bottom end of the E04 condenser is connected to a vacuum system.
Preferably, the E03 condenser uses a continuous water discharge to drain water to a reuse water tank.
Preferably, the lower ends of the one-effect forced circulation crystallization evaporator, the two-effect forced circulation crystallization evaporator and the three-effect forced circulation crystallization evaporator are respectively provided with a vortex salt separator, the vortex salt separator at the lower end of the one-effect forced circulation crystallization evaporator is connected to the S01 salt collecting chamber by a salt suction pump, the vortex salt separator at the lower end of the two-effect forced circulation crystallization evaporator is connected to the S02 salt collecting chamber by a salt suction pump, and the vortex salt separator at the lower end of the three-effect forced circulation crystallization evaporator is connected to the S04 salt collecting chamber by a salt suction pump.
Advantageous effects
The high-salt-content wastewater flows from the first-effect forced circulation crystallization evaporator to the second-effect forced circulation crystallization evaporator and then flows from the second-effect forced circulation crystallization evaporator to the third-effect forced circulation crystallization evaporator, so that the wastewater is continuously evaporated, the salt concentration in the wastewater is improved, salt in the water is continuously separated out, the separated solid salt is sent to a salt storage tank, the separated wastewater enters the second-effect forced circulation crystallization evaporator to be heated, and the whole process is repeated in cycles, so that the final separation of the water and the salt is realized; realizing zero discharge of the regenerated wastewater and the external sale of solid salt.
Drawings
The invention will be further described and illustrated with reference to the accompanying drawings.
Fig. 1 is a flow chart of triple effect evaporation and concentration according to a preferred embodiment of the present invention.
1. A first effect forced circulation crystallization evaporator; 2. a two-effect forced circulation crystallization evaporator; 3. an evaporative heat exchange chamber; 4. a high salt-containing wastewater storage tank; 5. a feed pump; 6. s01 a salt collecting chamber; 7. s02 a salt collecting chamber; 8. a triple-effect forced circulation crystallization evaporator; 9. s04 a salt collecting chamber; 10. an E03 condenser; 11. an E04 condenser; 12. a stirring chamber; 13. a centrifuge; 14. a mother liquor tank; 15. a one-effect circulation pump; 16. a two-effect circulating pump; 17. a three-effect circulating pump; 18. a discharge pump; 19. a condensate pump; 20. a mother liquor pump; 21. e05 preheater; 22. a circulation pump; 23. a vacuum system; 24. a vortex salt separator.
Detailed Description
The technical solution of the present invention will be more clearly and completely explained by the description of the preferred embodiments of the present invention with reference to the accompanying drawings.
As shown in fig. 1, the utility model discloses a reclaimed water triple-effect evaporator of preferred embodiment, including one effect forced circulation crystallization evaporator 1, two effect forced circulation crystallization evaporator 2, evaporation heat exchange chamber 3, high salt waste water storage tank 4, charge pump 5, S01 collection salt room 6, S02 collection salt room 7, three effect forced circulation crystallization evaporator 8, S04 collection salt room 9, E03 condenser 10, E04 condenser 11, teeter chamber 12, centrifuge 13, mother liquor tank 14, one effect circulating pump 15, two effect circulating pump 16, three effect circulating pump 17, discharge pump 18, condensate pump 19 and mother liquor pump 20, its characterized in that: the liquid inlet end of the high-salt-content wastewater storage tank 4 is connected with the input end of the mother liquor, the liquid outlet end of the high-salt-content wastewater storage tank 4 is connected to the evaporation heat exchange chamber 3 through the feed pump 5, the E05 preheater 21 is assembled in the evaporation heat exchange chamber 3, and the liquid outlet end of the evaporation heat exchange chamber 3 is connected to the liquid inlet end of the one-effect forced circulation crystallization evaporator 1 through a pipeline; the first-effect forced circulation crystallization evaporator 1 is communicated with the second-effect forced circulation crystallization evaporator 2 and is connected to the inlet end of the S01 salt collecting chamber 6; the two-effect forced circulation crystallization evaporator 2 is communicated with the three-effect forced circulation crystallization evaporator 8 and is connected to the inlet of the S02 salt collecting chamber 7; the outlet end of the three-effect forced circulation crystallization evaporator 8 is connected to the inlet end of the E04 condenser 11, the bottom end of the three-effect forced circulation crystallization evaporator 8 is connected to the inlet end of the E03 condenser 10, and the top end of the E03 condenser 10 is connected to the inlet end of the three-effect forced circulation crystallization evaporator 8; the upper end of the E04 condenser 11 is connected with a circulating cooling water discharge pipe, the upper end of the E04 condenser 11 is connected with a circulating cooling water discharge pipe, the lower end of the E04 condenser 11 is connected with a circulating cooling water inlet pipe, and the bottom end of the E04 condenser 11 is connected to the input end of the S04 salt collecting chamber 9; the outlet end of the S01 salt collecting chamber 6 is connected with the outlet end of the one-effect forced circulation crystallization evaporator 1 and then connected with the inlet end of the one-effect circulating pump 15, and the outlet end of the one-effect circulating pump 15 is connected with a sewage discharge pipe; the outlet end of the S02 salt collecting chamber 7 is connected with the outlet end of the double-effect forced circulation crystallization evaporator 2 and then connected to the inlet end of the double-effect circulating pump 16, and the outlet end of the double-effect circulating pump 16 is connected with a sewage discharge pipe; the outlet end of the S02 salt collecting chamber 7 is connected with the inlet end of an E03 condenser 10, the outlet end of one side of the triple-effect forced circulation crystallization evaporator 8 is connected with the E03 condenser 10 and then is connected with the inlet end of a triple-effect circulating pump 17, and the outlet end of the triple-effect forced circulation crystallization evaporator is connected with a sewage discharge pipe; the outlet end of the other side of the triple-effect forced circulation crystallization evaporator 8 is connected to a discharge pump 18, the outlet end of the discharge pump 18 is connected to the inlet end of the stirring chamber 12, the outlet end of the stirring chamber 12 is connected to the inlet end of the centrifuge 13, and the outlet end of the centrifuge 13 is connected to a salt crystal discharge pipe; the discharging end of the centrifuge 13 is positioned at the upper end of the mother liquor tank 14, the outlet end of the mother liquor tank 14 is connected to the inlet end of the mother liquor pump 20, and the outlet end of the mother liquor pump 20 is connected with a sewage discharge pipe; the outlet end of the S04 salt collecting chamber 9 is connected to the inlet end of the condensed water pump 19, and the outlet end of the condensed water pump 19 is connected with a sewage discharge pipe.
Wherein: the outlet of the bottom end of the first-effect forced circulation crystallization evaporator 1 is connected with a circulating pump 22, the other end of the circulating pump 22 is connected back to the feeding pump 5, the circulating pump 22 pumps the waste water into the evaporation heat exchange chamber 3,
wherein: the bottom end of the E04 condenser 11 is connected with a vacuum system 23, and the vacuum system 23 pumps out uncondensed gas generated in the evaporation system, so that the E04 condenser 11 and the triple-effect forced circulation crystallization evaporator 8 are kept in a negative pressure state, and the evaporation efficiency is improved.
Wherein: the E03 condenser 10 uses a continuous effluent to drain water to a reuse water tank, which maintains the condensation effect during the draining process.
Wherein: the lower ends of the first-effect forced circulation crystallization evaporator 1, the second-effect forced circulation crystallization evaporator 2 and the third-effect forced circulation crystallization evaporator 8 are respectively provided with a vortex salt separator 24, the vortex salt separator 24 at the lower end of the first-effect forced circulation crystallization evaporator 1 is connected to the S01 salt collecting chamber 6 through a salt suction pump, the vortex salt separator 24 at the lower end of the second-effect forced circulation crystallization evaporator 2 is connected to the S02 salt collecting chamber 7 through a salt suction pump, and the vortex salt separator 24 at the lower end of the third-effect forced circulation crystallization evaporator 8 is connected to the S04 salt collecting chamber 9, the S01 salt collecting chamber 6, the S02 salt collecting chamber 7 and the S04 salt collecting chamber 9 through salt suction pumps and used for receiving separated salts.
The working process is as follows: the high salt-containing wastewater is firstly stored in a high salt-containing wastewater storage tank 4, the high salt-containing wastewater is sent into an effective forced circulation crystallization evaporator 1 by a feed pump 5, a circulating pump 22 is arranged in the effective forced circulation crystallization evaporator 1, steam is pumped into an evaporation heat exchange chamber 3, and in the evaporation heat exchange chamber 3, external steam is liquefied to generate latent heat of vaporization, so that the wastewater is heated. Because the pressure in the evaporation heat exchange chamber 3 is higher, the waste water is heated to be overheated in the evaporation heat exchange chamber 3 under the pressure higher than the boiling point of normal liquid; after the heated liquid enters the one-effect forced circulation crystallization evaporator 1, the pressure of the wastewater is rapidly reduced to cause flash evaporation or rapid boiling of part of the wastewater; the steam after the evaporation of the waste water enters the two-effect forced circulation crystallization evaporator 2 to be used as power steam to heat the waste water, and the waste water which is not evaporated and salt are temporarily stored in the two-effect forced circulation crystallization evaporator 2; the first-effect forced circulation crystallization evaporator 1, the second-effect forced circulation crystallization evaporator 2 and the third-effect forced circulation crystallization evaporator 8 are communicated through a balance pipe, under the action of negative pressure, high-salt-content wastewater flows from the first-effect forced circulation crystallization evaporator 1 to the second-effect forced circulation crystallization evaporator 2 and then flows from the second-effect forced circulation crystallization evaporator 2 to the third-effect forced circulation crystallization evaporator 8, the wastewater is continuously evaporated, the concentration of salt in the wastewater is higher and higher, when the salt in the wastewater is in a supersaturation state, salt in the wastewater is continuously separated out and enters the S01 salt collecting chamber 6, the S02 salt collecting chamber 7 and the S04 salt collecting chamber 9, the salt suction pump continuously sends the salt-containing wastewater to the vortex salt separation 24, in the vortex salt separator 24, solid salt is separated and enters the salt storage tank, the separated wastewater enters the second-effect forced circulation crystallization evaporator 2 to be heated, and the whole process is repeated, the final separation of water from salt is achieved.
Wherein: the E04 condenser 11 is connected with a vacuum system 23, the vacuum system 23 pumps out uncondensed gas generated in the evaporation system, so that the E04 condenser 11 and the three-effect forced circulation crystallization evaporator 8 are kept in a negative pressure state, and the evaporation efficiency is improved. Under the action of negative pressure, secondary steam generated by the wastewater in the triple-effect forced circulation evaporator 8 automatically enters the E04 condenser 11, the secondary steam generated by the wastewater is quickly converted into condensed water under the cooling of circulating cooling water, and the condensed water can be recycled to a reuse water pool in a continuous water outlet mode.
According to the regenerated water three-effect evaporator, high-salt-content wastewater flows from the one-effect forced circulation crystallization evaporator 1 to the two-effect forced circulation crystallization evaporator 2 and then flows from the two-effect forced circulation crystallization evaporator 2 to the three-effect forced circulation crystallization evaporator 8, so that the wastewater is continuously evaporated, the salt concentration in the wastewater is improved, salt in the wastewater can be continuously separated out, the separated solid salt is sent to a salt storage tank, the separated wastewater enters the two-effect forced circulation crystallization evaporator 2 to be heated, and the whole process is repeated in cycles, so that the final separation of water and salt is realized; realizing zero discharge of the regenerated wastewater and the external sale of solid salt.
The above detailed description merely describes the preferred embodiments of the present invention and does not limit the scope of the present invention. Without departing from the design concept and spirit scope of the present invention, the ordinary skilled in the art should belong to the protection scope of the present invention according to the present invention provides the text description and drawings to the various modifications, replacements and improvements made by the technical solution of the present invention. The scope of protection of the present invention is determined by the claims.

Claims (5)

1. The utility model provides a reclaimed water triple-effect evaporator, includes an effect forced circulation crystallization evaporator, two effect forced circulation crystallization evaporators, evaporation heat transfer room, high salt waste water storage tank that contains, charge pump, S01 collection salt room, S02 collection salt room, three effect forced circulation crystallization evaporators, S04 collection salt room, E03 condenser, E04 condenser, teeter chamber, centrifuge, mother liquor jar, an effect circulating pump, two effect circulating pump, three effect circulating pump, ejection of compact pump, condensate pump and mother liquor pump, its characterized in that: the liquid inlet end of the high-salt-content wastewater storage tank is connected with the input end of the mother liquor, the liquid outlet end of the high-salt-content wastewater storage tank is connected to the evaporation heat exchange chamber through a feed pump, an E05 preheater is assembled in the evaporation heat exchange chamber, and the liquid outlet end of the evaporation heat exchange chamber is connected to the liquid inlet end of the one-effect forced circulation crystallization evaporator through a pipeline; the first-effect forced circulation crystallization evaporator is communicated with the second-effect forced circulation crystallization evaporator and is connected to the inlet end of the S01 salt collecting chamber; the two-effect forced circulation crystallization evaporator is communicated with the three-effect forced circulation crystallization evaporator and is connected to the inlet of the S02 salt collecting chamber; the outlet end of the three-effect forced circulation crystallization evaporator is connected to the inlet end of the E04 condenser, the bottom end of the three-effect forced circulation crystallization evaporator is connected to the inlet end of the E03 condenser, and the top end of the E03 condenser is connected back to the inlet end of the three-effect forced circulation crystallization evaporator; the upper end of the E04 condenser is connected with a circulating cooling water discharge pipe, the upper end of the E04 condenser is connected with a circulating cooling water discharge pipe, the lower end of the E04 condenser is connected with a circulating cooling water inlet pipe, and the bottom end of the E04 condenser is connected to the input end of the S04 salt collecting chamber; the outlet end of the S01 salt collecting chamber is connected with the outlet end of the one-effect forced circulation crystallization evaporator and then connected to the inlet end of the one-effect circulating pump, and the outlet end of the one-effect circulating pump is connected with a sewage discharge pipe; the outlet end of the S02 salt collecting chamber is connected with the outlet end of the double-effect forced circulation crystallization evaporator and then connected to the inlet end of a double-effect circulating pump, and the outlet end of the double-effect circulating pump is connected with a sewage discharge pipe; the outlet end of the S02 salt collecting chamber is connected with the inlet end of an E03 condenser, the outlet end of one side of the triple-effect forced circulation crystallization evaporator is connected with an E03 condenser and then connected to the inlet end of a triple-effect circulating pump, and the outlet end of the triple-effect forced circulation crystallization evaporator is connected with a drain pipe; the outlet end of the other side of the triple-effect forced circulation crystallization evaporator is connected to a discharge pump, the outlet end of the discharge pump is connected to the inlet end of a stirring chamber, the outlet end of the stirring chamber is connected to the inlet end of a centrifuge, and the outlet end of the centrifuge is connected to a salt crystal discharge pipe; the discharging end of the centrifuge is positioned at the upper end of the mother liquor tank, the outlet end of the mother liquor tank is connected to the inlet end of the mother liquor pump, and the outlet end of the mother liquor pump is connected with a sewage discharge pipe; and the outlet end of the S04 salt collecting chamber is connected to the inlet end of a condensate pump, and the outlet end of the condensate pump is connected with a sewage discharge pipe.
2. The triple-effect evaporator for the regenerated water as claimed in claim 1, wherein the outlet at the bottom end of the single-effect forced circulation crystallization evaporator is connected with a circulating pump, and the other end of the circulating pump is connected back to a feeding pump.
3. The triple-effect evaporator for regenerated water as claimed in claim 1, wherein a vacuum system is connected to the bottom end of the E04 condenser.
4. The triple-effect evaporator for regenerated water as claimed in claim 1, wherein the E03 condenser discharges water to a reuse water pool by using a continuous water discharge method.
5. The triple-effect evaporator for the regenerated water of claim 1, wherein the lower ends of the single-effect forced circulation crystallization evaporator, the two-effect forced circulation crystallization evaporator and the three-effect forced circulation crystallization evaporator are respectively provided with a vortex salt separator, the vortex salt separator at the lower end of the single-effect forced circulation crystallization evaporator is connected to the S01 salt collecting chamber by a salt suction pump, the vortex salt separator at the lower end of the two-effect forced circulation crystallization evaporator is connected to the S02 salt collecting chamber by a salt suction pump, and the vortex salt separator at the lower end of the three-effect forced circulation crystallization evaporator is connected to the S04 salt collecting chamber by a salt suction pump.
CN202022291518.9U 2020-10-15 2020-10-15 Reclaimed water triple-effect evaporator Active CN213865455U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113501614A (en) * 2021-08-20 2021-10-15 南京澎源环保科技有限公司 Method for treating high-salt-content wastewater

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113501614A (en) * 2021-08-20 2021-10-15 南京澎源环保科技有限公司 Method for treating high-salt-content wastewater

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