CN110790440A - High COD high salt effluent disposal system - Google Patents
High COD high salt effluent disposal system Download PDFInfo
- Publication number
- CN110790440A CN110790440A CN201911247456.7A CN201911247456A CN110790440A CN 110790440 A CN110790440 A CN 110790440A CN 201911247456 A CN201911247456 A CN 201911247456A CN 110790440 A CN110790440 A CN 110790440A
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- China
- Prior art keywords
- pipeline
- outlet
- salt
- discharge port
- evaporative crystallizer
- Prior art date
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- 150000003839 salts Chemical class 0.000 title claims abstract description 62
- 239000002351 wastewater Substances 0.000 claims abstract description 28
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 24
- 230000003647 oxidation Effects 0.000 claims abstract description 23
- 238000005336 cracking Methods 0.000 claims abstract description 21
- 239000000428 dust Substances 0.000 claims abstract description 19
- 239000002920 hazardous waste Substances 0.000 claims abstract description 19
- 238000010791 quenching Methods 0.000 claims abstract description 10
- 238000004065 wastewater treatment Methods 0.000 claims abstract description 7
- 239000000126 substance Substances 0.000 claims abstract description 6
- 239000007787 solid Substances 0.000 claims description 35
- 239000002893 slag Substances 0.000 claims description 24
- 239000000463 material Substances 0.000 claims description 22
- 239000007788 liquid Substances 0.000 claims description 13
- 239000007800 oxidant agent Substances 0.000 claims description 9
- 230000001590 oxidative effect Effects 0.000 claims description 9
- 238000010992 reflux Methods 0.000 claims description 8
- 239000012141 concentrate Substances 0.000 claims description 7
- 239000000706 filtrate Substances 0.000 claims description 6
- 230000000171 quenching effect Effects 0.000 claims description 6
- 239000013618 particulate matter Substances 0.000 claims description 5
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 230000008676 import Effects 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims 4
- 238000011282 treatment Methods 0.000 abstract description 5
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 238000009776 industrial production Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 25
- 239000000498 cooling water Substances 0.000 description 8
- 239000002912 waste gas Substances 0.000 description 6
- 238000002844 melting Methods 0.000 description 5
- 230000008018 melting Effects 0.000 description 5
- 238000000197 pyrolysis Methods 0.000 description 5
- 239000002699 waste material Substances 0.000 description 5
- 239000003814 drug Substances 0.000 description 4
- 238000009833 condensation Methods 0.000 description 3
- 230000005494 condensation Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 239000012065 filter cake Substances 0.000 description 3
- 239000010865 sewage Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 231100001261 hazardous Toxicity 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
- C02F11/122—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using filter presses
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/38—Treatment of water, waste water, or sewage by centrifugal separation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
Abstract
The invention discloses a high COD high-salinity wastewater treatment system, which comprises a pretreatment tank, an evaporative crystallizer, a centrifuge, a cracking furnace, a dust remover, a quench tower, an oxidation tower, a filter press, a salt dissolving kettle, a filter, a dryer, a connecting pipeline and the like. Is suitable for treating high COD and high salinity wastewater in chemical wastewater treatment and hazardous waste industries. After the system is utilized to carry out a series of treatments on the wastewater, the salt in the wastewater can be recycled to reach the standard of industrial products, the product quality is stable, and no secondary pollution is generated. Effectively solves the problem that the wastewater containing high COD and other organic matters and high salt content can not be discharged. The system has low energy consumption and is suitable for industrial production.
Description
Technical Field
The invention relates to a wastewater treatment system, in particular to a treatment system for high COD and high salinity wastewater in chemical wastewater treatment and hazardous wastewater industries.
Background
In the technical field of chemical industry and three-waste treatment, the method for separating and treating organic matters such as COD (chemical oxygen demand) and the like, salt and impurities in wastewater is few, a method for simply evaporating and crystallizing salt is mostly adopted in the past, the quality of the treated finished salt is poor, the industrial salt standard cannot be met, and the problems of high equipment energy consumption, large occupied area, high investment, material leakage and the like exist.
Disclosure of Invention
The invention aims to provide a high-COD high-salinity wastewater treatment system to solve the problem that wastewater containing organic matters such as COD and salt can not be discharged, and the salt in the wastewater is recycled to reach the industrial standard.
The technical scheme adopted by the invention for solving the technical problem is as follows: a high COD high-salt waste water treatment system comprises a pretreatment tank, an evaporative crystallizer, a centrifugal machine, a cracking furnace, a dust remover, a quench tower, an oxidation tower, a filter press, a salt dissolving kettle, a filter, a dryer and the like. The upper part of the pool wall A of the pretreatment pool is provided with a wastewater inlet 1, the top part is provided with a chemical adding port 2, the lower part of the pool wall is provided with a particulate matter discharge port 3 and a wastewater outlet 4, the wastewater outlet 4 is connected with a lifting pump B1 through a pipeline, an outlet 5 of a lifting pump B1 is connected with a No. 1 evaporative crystallizer C1 through a pipeline, the upper part of a No. 1 evaporative crystallizer C1 is provided with a steam outlet 6, the lower part is provided with a concentrated solution discharge port 10, the bottom part is provided with a return port 11, the concentrated solution discharge port 10 of the No. 1 evaporative crystallizer C1 is connected with a No. 1 centrifuge E1 through a pipeline, the side part of the No. 1 centrifuge E1 is connected with a return port 11 at the bottom part of the No. 1 evaporative crystallizer C1, the bottom part of the No. 1 centrifuge E1 is provided with a solid hazardous waste salt discharge port 12, the solid waste salt discharge port 12 is connected with a solid hazardous, the upper part of the cracking furnace G is provided with a solid hazardous waste salt feeding hole, the top of the cracking furnace G is provided with a gas outlet 15, the lower part of the cracking furnace G is provided with a material outlet 14, the gas outlet 15 of the cracking furnace G is connected with a dust remover H through a pipeline, the bottom end of the dust remover H is provided with a slag discharge hole 20, the top of the dust remover H is provided with a gas outlet 16, the gas outlet 16 at the top of the dust remover H is connected with the lower part of a quenching tower J through a pipeline, the top of the quenching tower J is provided with a gas outlet 17, the gas outlet 17 of the quenching tower J is connected with the lower part of an oxidation tower K1 No. 1 through a pipeline, the lower part of an oxidation tower K1 No. 1 is provided with an oxidant dosing hole 19, the top end of an oxidation tower K1 No. 1 is provided with a gas outlet 18, the gas outlet 18 of the oxidation tower K1 No. 1 is connected with the lower part of a wet electric R through, the lower part of the slag melting kettle L is provided with a discharge outlet 21, the slag melting kettle L is connected with a screw pump B2 through a pipeline, an outlet 22 of the screw pump B2 is connected with a filter press M through a pipeline, the lower part of the filter press M is provided with a solid discharge outlet 23 and a liquid discharge outlet 24, the liquid discharge outlet 24 is connected with a filtrate backflow inlet 41 at the bottom of the slag melting kettle L through a pipeline, a cracking furnace G and the filter press M are respectively connected with a salt melting kettle N through pipelines, the discharge outlet 25 of the salt melting kettle N is connected with a feed pump B3 through a pipeline, the feed pump B3 is connected with a filter P through a pipeline, the upper part of the filter P is provided with a material inlet 26, the top of the filter P is provided with a material outlet 27, the lower part of the filter P is provided with a sewage discharge outlet 28, the material outlet 27 of the filter P is connected with the lower part of a No. 2 oxidation tower K2 through a pipeline, the upper part of a No., material inlet and gas vent 30 are equipped with on No. 2 evaporative crystallizer C2 upper portion, No. 2 evaporative crystallizer C2 lower part is equipped with reflux inlet 34 and concentrate export 35, No. 2 evaporative crystallizer C2 upper portion gas vent 30 links to each other with No. 2 condenser D2 through the pipeline, No. 2 evaporative crystallizer C2's concentrate export 35 links to each other with No. 2 centrifuge E2 through the pipeline, No. 2 centrifuge E2 lateral part is equipped with the reflux export, the bottom is equipped with solid salt bin outlet 36, No. 2 centrifuge E2's solid salt bin outlet passes through the pipeline and links to each other with desicator Q, desicator Q top is equipped with gas vent 37, the bottom is equipped with finished product salt discharge port 38.
The working principle of the invention is described as follows:
high COD high salt waste water gets into pretreatment tank, gets rid of the particulate matter in the waste water to add the medicament and transfer its pH value, handle the back and go into waste water pump 1 evaporative crystallizer through the elevator pump, organic matters such as COD in 1 evaporative crystallizer in with the waste water become the vapour state evaporation and come out, and the condensation of condenser is reentrant to steam, and waste water after the condensation gets into biochemical treatment system. The concentrate that No. 1 evaporative crystallizer produced gets into No. 1 centrifuge, and No. 1 centrifuge carries out solid-liquid separation with the concentrate, and liquid reflux evaporates once more to No. 1 evaporative crystallizer, and solid danger waste salt gets into solid danger waste salt feed bin, gets into the pyrolysis furnace through solid danger waste salt feed bin and carries out pyrolysis, and the pyrolysis furnace is danger waste salt pyrolysis for solid coarse salt and waste gas. And (3) feeding the solid crude salt into a salt dissolving kettle, feeding the waste gas generated by cracking into a dust remover to remove carbon slag, then feeding the waste gas into a quench tower to cool, then feeding the waste gas into a No. 1 oxidation tower, carrying out oxidation reaction on harmful components in the waste gas by adding an oxidant, removing organic matters, and finally feeding the waste gas into a wet electric dust removal demisting device. The carbon residue that the dust remover removed gets into the slag dissolving cauldron, and slag dissolving cauldron material gets into the pressure filter again, and the filter pressing becomes the filter cake outward transport, and a part of filtrating flows back to the slag dissolving cauldron, and another part filtrating that the pressure filter produced and the solid coarse salt that comes from the pyrolysis furnace enter the salt dissolving cauldron jointly and dissolve, go into the filter edulcoration through the feed pump, reentry oxidation tower 2 oxidation, through adding the oxidant, become the biochemical material with difficult degradation organic matter. And the solution in the No. 2 oxidation tower enters a No. 2 evaporative crystallizer for secondary evaporative crystallization, steam generated by the No. 2 evaporative crystallizer enters a No. 2 condenser for condensation into biochemical wastewater, and the wastewater enters biochemical treatment. And (3) the concentrated solution generated by the No. 2 evaporative crystallizer enters a No. 2 centrifugal machine, the No. 2 centrifugal machine separates the concentrated solution into salt-containing filter cakes and filtrate, the filtrate flows back to the No. 2 evaporative crystallizer for re-evaporation, and the filter cakes enter a dryer for drying to generate marketable finished salt meeting the industrial salt standard.
In particular, the various devices and components that make up the system are of known construction and are commercially available.
The beneficial effects obtained by the invention are as follows:
(1) the reaction product obtained by using the system has stable quality and good quality; (2) no secondary pollution is generated.
Drawings
Fig. 1 is a device layout diagram of the present system.
The designations in the figures have the following meanings:
letter meaning: A. the system comprises a pretreatment pool B1, a lift pump C1, an evaporative crystallizer D1 No. 1, a condenser E1 No. 1, a centrifuge F No. 1, a solid hazardous waste salt bin G, a cracking furnace H, a dust remover J, a quenching tower K1, an oxidation tower L No. 1, a slag dissolving kettle B2, a screw pump M, a filter press N, a salt dissolving kettle B3, a feeding pump P, a filter K2, an oxidation tower C2 No. 2, an evaporative crystallizer D2 No. 2, a condenser E2 No. 2, a centrifuge Q No. 2, a dryer R and wet electricity.
The reference numerals mean: 1. a waste water inlet 2, a medicine adding port 3, a particulate matter discharge port 4, a waste water outlet 5,
A lift pump outlet 6, a steam outlet 7, a cooling water outlet 8, a cooling water inlet 9, a condensate discharge port 10, a concentrated solution discharge port 11, a reflux port 12, a solid hazardous waste salt discharge port 13, a solid hazardous waste salt bin discharge port 14, a material outlet 15, a gas outlet 16, a gas outlet 17, a gas outlet 18, a gas outlet 19, an oxidant dosing port 20, a slag discharge port 21, a discharge port 22, a screw pump outlet 23, a solid discharge port 24, a liquid discharge port 25, a discharge port 26, a material inlet 27, a liquid outlet 28, a sewage discharge port 29, a discharge port 30, a steam outlet 31, a cooling water outlet 32, a cooling water inlet 33, a condensed water outlet 34, a reflux liquid inlet 35, a concentrated solution outlet 36, a solid salt discharge port 37, a gas discharge port 38, a finished salt discharge port 39, a condensate discharge port 10, a, An oxidant dosing port 40, a gas outlet 41 and a filtrate return inlet.
Detailed Description
The invention will be further described with reference to the accompanying drawings and specific embodiments thereof.
As shown in fig. 1, a high COD high salt effluent disposal system, pretreatment pond A pool wall upper portion is equipped with waste water inlet 1, the top is equipped with medicine mouth 2, the pool wall lower part is equipped with particulate matter discharge port 3 and waste water export, waste water export passes through waste water pipeline 4 and connects elevator pump B1, elevator pump B1 passes through pipeline 5 and connects No. 1 evaporative crystallizer C1, No. 1 evaporative crystallizer C1 upper portion is equipped with steam outlet 6, the lower part is equipped with concentrate discharge port 10, the bottom is equipped with backward flow mouth 11, No. 1 evaporative crystallizer C1 passes through tube coupling No. 1 condenser D1, No. 1 condenser D1 upper portion is equipped with steam inlet 6 and cooling water outlet 7, the lower part is equipped with cooling water inlet 8, the bottom is equipped with condensate discharge port 9. No. 1 evaporative crystallizer C1 is connected with No. 1 centrifugal machine E1 through a pipeline, the upper part of No. 1 centrifugal machine E1 is provided with a concentrated solution inlet 10, the side surface is provided with a backflow outlet 11, the bottom is provided with a solid hazardous waste salt discharge port 12, No. 1 centrifugal machine E1 is connected with a solid hazardous waste salt bin F through a flange, the upper part of the solid hazardous waste salt bin F is provided with a solid hazardous waste salt feed inlet 12, the side surface is provided with a solid hazardous waste salt discharge port 13, the solid hazardous waste salt bin F is connected with a cracking furnace G through a pipeline, the upper part of the cracking furnace G is provided with a solid hazardous waste salt feed inlet 13 and a gas outlet 15 of the cracking furnace G, the lower part is provided with a material outlet 14 of the cracking furnace G, the cracking furnace G is connected with a dust remover H through a pipeline, the side surface of the dust remover H is provided with a quenching furnace gas inlet 15, the bottom end is provided with a slag discharge port 20, the top is equipped with gas outlet 17, and quench tower J links to each other with oxidation column K1 No. 1 through the pipeline, and No. 1 oxidation column K1 lower part is equipped with gas inlet and oxidant and adds medicine mouth 19, and the top is equipped with gas outlet 18, and gas outlet 18 passes through the pipeline and links to each other with wet electricity R lower part, and wet electricity R top is equipped with gas outlet 40. The dust remover H is also connected with a slag dissolving kettle L through a pipeline, the upper part of the slag dissolving kettle L is provided with a dust remover deslagging inlet 20, the bottom of the slag dissolving kettle L is provided with a backflow inlet 41, the lower part of the slag dissolving kettle L is provided with a slag outlet 21, the slag dissolving kettle L is connected with a screw pump B2 through a pipeline 21, a screw pump B2 is connected with a filter press M through a pipeline 22, the upper part of the filter press M is provided with a material inlet 22, the lower part of the filter press M is provided with a solid discharge outlet 23 and a liquid discharge outlet 24, the liquid discharge outlet 24 is connected with the backflow inlet 41 at the bottom of the slag dissolving kettle L through a pipeline 21, a cracking furnace G and the filter press M are respectively connected with a salt dissolving kettle N through pipelines 24 and 14, the upper part of the salt dissolving kettle N is provided with a cracking furnace G material inlet 14, the side surface is provided with a liquid inlet 24 of the filter press M, the, the lower part is provided with a sewage draining outlet 28. The filter P is connected with a No. 2 oxidation tower K2 through a pipeline 27, the lower part of the No. 2 oxidation tower K2 is provided with a filter liquid inlet and an oxidant feeding port 39, and the upper part is provided with a material outlet 29. No. 2 oxidation tower K2 is connected with No. 2 evaporative crystallizer C2 through the pipeline, and No. 2 evaporative crystallizer C2 upper portion is equipped with material import 29 and gas vent 30, and the lower part is equipped with to No. 2 centrifuge backward flow export 34 and concentrate export 35. The No. 2 evaporative crystallizer C2 is connected with a No. 2 condenser D2 through a pipeline, the No. 2 condenser D2 is provided with a steam inlet 30 and a cooling water outlet 31 at the upper part, a cooling water inlet 32 at the lower part and a condensate outlet 33 at the bottom. The No. 2 evaporative crystallizer C2 is connected with a No. 2 centrifuge E2 through pipelines 34 and 35, the top of the No. 2 centrifuge E2 is provided with a concentrated solution inlet 35, the side surface is provided with a reflux outlet 34, and the bottom is provided with a solid salt discharge port 36. The No. 2 centrifugal machine E2 is connected with a dryer Q through a pipeline 36, the upper part of the dryer Q is provided with a dryer exhaust port 37, and the lower part of the dryer Q is provided with a dryer finished salt discharge port 38.
Claims (1)
1. A high COD high salt wastewater treatment system is characterized in that a wastewater inlet (1) is arranged on the upper part of the tank wall of a pretreatment tank (A), a chemical adding port (2) is arranged at the top, a particulate matter discharge port (3) and a wastewater outlet (4) are arranged on the lower part of the tank wall, the wastewater outlet (4) is connected with a lift pump (B1) through a pipeline, an outlet (5) of the lift pump (B1) is connected with a No. 1 evaporative crystallizer (C1) through a pipeline, a steam outlet (6) is arranged on the upper part of the No. 1 evaporative crystallizer (C1), a concentrated solution discharge port (10) is arranged on the lower part of the No. 1 evaporative crystallizer (C1), a return port (11) is arranged at the bottom of the No. 1 evaporative crystallizer (C1) through a pipeline, the side part of the No. 1 evaporative crystallizer (C1) is connected with the return port (11), the solid hazardous waste salt discharging hole (12) is connected with a solid hazardous waste salt bin (F) through a connecting pipe, the side part of the solid hazardous waste salt bin (F) is provided with a solid hazardous waste salt discharging hole (13), the solid hazardous waste salt discharging hole (13) is connected with a cracking furnace (G) through a pipeline, one end of the upper part of the cracking furnace (G) is provided with a solid hazardous waste salt feeding hole, the other end of the upper part of the cracking furnace (G) is provided with a gas outlet (15), the lower part of the upper part of the cracking furnace (G) is provided with a material outlet (14), the gas outlet (15) of the cracking furnace (G) is connected with a dust remover (H) through a pipeline, the bottom end of the dust remover (H) is provided with a slag discharging hole (20), the top of the dust remover is provided with a gas outlet (16), the gas outlet (16) at the top of the dust remover (H) is connected with the lower part of a quenching tower (J) through a, an oxidant dosing port (19) is arranged at the lower part of the No. 1 oxidation tower (K1), a gas outlet (18) is arranged at the top end of the No. 1 oxidation tower (K1), the gas outlet (18) is connected with the lower part of a wet electric device (R) through a pipeline, a gas outlet (40) is arranged at the top end of the wet electric device (R), a slag discharge port (20) at the bottom end of a dust remover (H) is connected with a slag dissolving kettle (L) through a pipeline, a filtrate backflow inlet (41) is arranged at the bottom of the slag dissolving kettle (L), a discharge port (21) is arranged at the lower part of the slag dissolving kettle (L), the slag dissolving kettle (L) is connected with a screw pump (B2) through a pipeline, an outlet (22) of the screw pump (B2) is connected with a filter press (M) through a pipeline, a solid discharge port (23) and a liquid discharge port (24) are arranged at the lower part of the filter press (M), the liquid discharge port (24) is connected with the filtrate, salt dissolving kettle (N) bin outlet (25) passes through tube coupling feed pump (B3), feed pump (B3) passes through tube coupling filter (P), filter (P) upper portion is equipped with material import (26), filter (P) top is equipped with material export (27), the lower part is equipped with drain (28), material export (27) of filter (P) pass through the pipeline and link to each other with No. 2 oxidation tower (K2) lower part, No. 2 oxidation tower (K2) upper portion is equipped with material export (29), the lower part is equipped with oxidant dosing mouth (39), material export (29) of No. 2 oxidation tower (K2) pass through the pipeline and link to each other with No. 2 evaporative crystallizer (C2) upper portion, No. 2 evaporative crystallizer (C2) upper portion is equipped with material import and gas vent (30), No. 2 evaporative crystallizer (C2) lower part is equipped with reflux inlet (34) and concentrate export (35), gas vent (30) on No. 2 evaporative crystallizer (C2) upper portion pass through the pipeline and No. 2 condenser (D2) link to each other The concentrated solution outlet (35) of the No. 2 evaporative crystallizer (C2) is connected with the No. 2 centrifugal machine (E2) through a pipeline, the side part of the No. 2 centrifugal machine (E2) is provided with a reflux outlet, the bottom of the No. 2 centrifugal machine is provided with a solid salt discharge port (36), the solid salt discharge port of the No. 2 centrifugal machine (E2) is connected with the dryer (Q) through a pipeline, the top of the dryer (Q) is provided with an exhaust port (37), and the bottom of the dryer is provided with a finished salt discharge port (38).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911247456.7A CN110790440B (en) | 2019-12-09 | 2019-12-09 | High COD high salt wastewater treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911247456.7A CN110790440B (en) | 2019-12-09 | 2019-12-09 | High COD high salt wastewater treatment system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110790440A true CN110790440A (en) | 2020-02-14 |
| CN110790440B CN110790440B (en) | 2024-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911247456.7A Active CN110790440B (en) | 2019-12-09 | 2019-12-09 | High COD high salt wastewater treatment system |
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| CN (1) | CN110790440B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114014468A (en) * | 2021-11-30 | 2022-02-08 | 中冶南方都市环保工程技术股份有限公司 | System and method applied to pretreatment of coke oven gas desulfurization waste liquid |
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| CN110201975A (en) * | 2019-05-30 | 2019-09-06 | 北京航天环境工程有限公司 | A kind of abraum salt recycling treatment disposal system and application |
| CN110242966A (en) * | 2019-06-21 | 2019-09-17 | 易科力（天津）环保科技发展有限公司 | A kind of method of flammability hazard waste and danger wastes cooperative disposal with high salt |
| CN211688662U (en) * | 2019-12-09 | 2020-10-16 | 郭玉伟 | High COD high salt effluent disposal system |
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2019
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| JPH11226560A (en) * | 1998-02-13 | 1999-08-24 | Hitachi Ltd | Method and device for treating waste liquid or waste water |
| CN104649495A (en) * | 2015-02-13 | 2015-05-27 | 江苏中丹集团股份有限公司 | Chemical industrial waste salt refining process |
| CN106495384A (en) * | 2016-11-03 | 2017-03-15 | 南京格洛特环境工程股份有限公司 | The technique that a kind of utilization organic contamination high-salt wastewater prepares industrial purified salt |
| CN110201975A (en) * | 2019-05-30 | 2019-09-06 | 北京航天环境工程有限公司 | A kind of abraum salt recycling treatment disposal system and application |
| CN110242966A (en) * | 2019-06-21 | 2019-09-17 | 易科力（天津）环保科技发展有限公司 | A kind of method of flammability hazard waste and danger wastes cooperative disposal with high salt |
| CN211688662U (en) * | 2019-12-09 | 2020-10-16 | 郭玉伟 | High COD high salt effluent disposal system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114014468A (en) * | 2021-11-30 | 2022-02-08 | 中冶南方都市环保工程技术股份有限公司 | System and method applied to pretreatment of coke oven gas desulfurization waste liquid |
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