CN110790440B - High COD high salt wastewater treatment system - Google Patents
High COD high salt wastewater treatment system Download PDFInfo
- Publication number
- CN110790440B CN110790440B CN201911247456.7A CN201911247456A CN110790440B CN 110790440 B CN110790440 B CN 110790440B CN 201911247456 A CN201911247456 A CN 201911247456A CN 110790440 B CN110790440 B CN 110790440B
- Authority
- CN
- China
- Prior art keywords
- pipeline
- outlet
- discharge port
- salt
- filter
- 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.)
- Active
Links
- 150000003839 salts Chemical class 0.000 title claims abstract description 71
- 238000004065 wastewater treatment Methods 0.000 title claims abstract description 10
- 238000001704 evaporation Methods 0.000 claims abstract description 49
- 230000008020 evaporation Effects 0.000 claims abstract description 46
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 42
- 230000003647 oxidation Effects 0.000 claims abstract description 41
- 239000002351 wastewater Substances 0.000 claims abstract description 30
- 239000000428 dust Substances 0.000 claims abstract description 29
- 238000005336 cracking Methods 0.000 claims abstract description 27
- 238000010791 quenching Methods 0.000 claims abstract description 16
- 230000000171 quenching effect Effects 0.000 claims abstract description 13
- 239000007787 solid Substances 0.000 claims description 38
- 239000002893 slag Substances 0.000 claims description 31
- 239000002699 waste material Substances 0.000 claims description 26
- 238000004090 dissolution Methods 0.000 claims description 25
- 239000007788 liquid Substances 0.000 claims description 24
- 239000000463 material Substances 0.000 claims description 20
- 238000010992 reflux Methods 0.000 claims description 16
- 239000007800 oxidant agent Substances 0.000 claims description 10
- 230000001590 oxidative effect Effects 0.000 claims description 10
- 239000000706 filtrate Substances 0.000 claims description 8
- 239000012141 concentrate Substances 0.000 claims description 5
- 239000003814 drug Substances 0.000 claims description 4
- 239000013618 particulate matter Substances 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 3
- 238000002425 crystallisation Methods 0.000 claims description 2
- 230000008025 crystallization Effects 0.000 claims description 2
- 229940079593 drug Drugs 0.000 claims 1
- 239000002910 solid waste Substances 0.000 claims 1
- 238000011282 treatment Methods 0.000 abstract description 7
- 239000000126 substance Substances 0.000 abstract description 5
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 231100001261 hazardous Toxicity 0.000 abstract description 2
- 238000009776 industrial production Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 23
- 239000000498 cooling water Substances 0.000 description 8
- 238000000197 pyrolysis Methods 0.000 description 4
- 239000002912 waste gas Substances 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 239000012065 filter cake Substances 0.000 description 3
- 230000008676 import Effects 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000011780 sodium chloride Substances 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
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000003818 cinder Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000000926 separation method Methods 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
Abstract
The invention discloses a high COD high salt wastewater treatment system which consists of a pretreatment tank, an evaporation crystallizer, a centrifuge, a cracking furnace, a dust remover, a quenching 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 the wastewater containing high COD and high salt in the chemical wastewater treatment and hazardous wastewater industry. After the system is used for carrying out a series of treatments on the wastewater, the salt content in the wastewater can be recovered to reach the industrial standard, and the product has stable quality and does not produce secondary pollution. Effectively solves the problem that the wastewater containing high COD and other organic matters and high salt cannot 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 suitable for wastewater containing high COD and high salt in chemical wastewater treatment and hazardous wastewater industries.
Background
In the technical fields of chemical industry and three-waste treatment, few methods for separating and treating organic matters such as COD (chemical oxygen demand), salt and impurities in wastewater are adopted, and in the past, a method for crystallizing salt by pure evaporation is mostly adopted, so that the quality of finished product salt after treatment is poor and can not reach the industrial salt standard, and the problems of 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-salt wastewater treatment system, which is used for solving the problem that organic matters such as COD and the like and saline wastewater cannot be discharged, and recycling the saline matters in the wastewater to reach the industrial product standard.
The technical scheme adopted for solving the technical problems is as follows: a high COD and high salt wastewater treatment system comprises a pretreatment tank, an evaporation crystallizer, a centrifuge, a cracking furnace, a dust remover, a quenching tower, an oxidation tower, a filter press, a salt dissolving kettle, a filter, a dryer and the like. The upper part of the tank wall of the pretreatment tank A is provided with a wastewater inlet 1, the top is provided with a pretreatment tank medicine adding port 2, the lower part of the tank wall is provided with a particulate matter outlet 3 and a wastewater outlet 4, the wastewater outlet 4 is connected with a lifting pump B1 through a pipeline, the outlet 5 of the lifting pump B1 is connected with a No. 1 evaporation crystallizer C1 through a pipeline, the upper part of the No. 1 evaporation crystallizer C1 is provided with a No. 1 evaporation crystallizer steam outlet 6, the lower part is provided with a No. 1 evaporation crystallizer concentrated solution outlet 10, the bottom is provided with a No. 1 evaporation crystallizer reflux port 11, the No. 1 evaporation crystallizer concentrated solution outlet 10 is connected with a No. 1 centrifuge E1 through a pipeline, the side part of the No. 1 centrifuge E1 is connected with a No. 1 evaporation crystallizer reflux port 11 at the bottom of the No. 1 evaporation crystallizer C1, the bottom of the No. 1 centrifuge E1 is provided with a No. 1 centrifuge solid dangerous waste salt discharge port 12, the No. 1 centrifuge solid dangerous waste salt discharge port 12 is connected with a solid dangerous waste salt bin F through a pipeline, the side part of the solid dangerous waste salt bin F is provided with a solid dangerous waste salt discharge opening 13, the solid dangerous waste salt discharge opening 13 is connected with a cracking furnace G through a pipeline, the upper part of the cracking furnace G is provided with a solid dangerous waste salt feed opening, the top of the cracking furnace G is provided with a cracking furnace gas outlet 15, the lower part is provided with a cracking furnace material outlet 14, the cracking furnace gas outlet 15 is connected with a dust remover H through a pipeline, the bottom end of the dust remover H is provided with a dust remover slag discharging opening 20, the top of the dust remover H is provided with a dust remover gas outlet 16, the dust remover gas outlet 16 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 quenching tower gas outlet 17, the quenching tower gas outlet 17 is connected with the lower part of a No. 1 oxidation tower K1 through a pipeline, the lower part of the No. 1 oxidation tower K1 is provided with a No. 1 oxidation tower oxidant feeding opening 19,1, the top of the No. 1 oxidation tower is provided with a No. 1 oxidation tower gas outlet 18, the gas outlet 18 of the No. 1 oxidation tower is connected with the lower part of a wet electric R through a pipeline, the top end of the wet electric R is provided with a wet electric gas outlet 40, a dust remover slag discharge port 20 at the bottom end of a dust remover H is connected with a slag dissolution kettle L through a pipeline, the bottom of the slag dissolution kettle L is provided with a slag dissolution kettle filtrate reflux inlet 41, the lower part of the slag dissolution kettle L is provided with a slag dissolution kettle discharge port 21, the slag dissolution 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 filter press solid discharge port 23 and a filter press liquid discharge port 24, the filter press liquid discharge port 24 is connected with the filtrate reflux inlet 41 at the bottom of the slag dissolution kettle L through a pipeline, a cracking furnace G and the filter press M are respectively connected with a salt dissolution kettle N through pipelines, the feed pump B3 is connected with a filter P through a pipeline, the upper part of the filter P is provided with a filter material inlet 26, the top of the filter P is provided with a filter material outlet 27, the lower part is provided with a filter drain outlet 28, the filter material outlet 27 is connected with the lower part of a No. 2 oxidation tower K2 through a pipeline, the upper part of the No. 2 oxidation tower K2 is provided with a No. 2 oxidation tower discharge outlet 29, the lower part is provided with a No. 2 oxidation tower discharge outlet 39,2 of the No. 2 oxidation tower oxidant adding port K2, the No. 2 oxidation tower discharge outlet 29 is connected with the upper part of a No. 2 evaporation crystallizer C2 through a pipeline, the upper part of the No. 2 evaporation crystallizer C2 is provided with a material inlet and a No. 2 evaporation crystallizer steam outlet 30, the lower part of the No. 2 evaporation crystallizer C2 is provided with a No. 2 evaporation crystallizer reflux liquid inlet 34 and a No. 2 evaporation crystallizer concentrated liquid outlet 35, the No. 2 evaporation crystallizer steam outlet 30 on the upper part of the No. 2 evaporation crystallizer C2 is connected with a No. 2 condenser D2 through a pipeline, the concentrated liquid outlet 35 of the No. 2 evaporation crystallizer C2 is connected with a No. 2 centrifuge E2 through a pipeline, the side of the No. 2 centrifugal machine E2 is provided with a reflux liquid outlet, the bottom of the No. 2 centrifugal machine E2 is provided with a solid salt discharge port 36,2, the solid salt discharge port of the No. 2 centrifugal machine E2 is connected with a dryer Q through a pipeline, the top of the dryer Q is provided with a dryer exhaust port 37, and the bottom of the dryer Q is provided with a finished salt discharge port 38.
The working principle of the invention is described as follows:
the high COD high salt waste water enters a pretreatment tank, particles in the waste water are removed, a reagent is added to adjust the PH value of the waste water, the waste water is pumped into a No. 1 evaporation crystallizer through a lifting pump after treatment, organic matters such as COD and the like in the waste water are changed into vapor state in the No. 1 evaporation crystallizer to be evaporated, the vapor enters a condenser to be condensed, and the condensed waste water enters a biochemical treatment system. The concentrated solution generated by the No. 1 evaporation crystallizer enters a No. 1 centrifugal machine, the No. 1 centrifugal machine carries out solid-liquid separation on the concentrated solution, liquid flows back to the No. 1 evaporation crystallizer for re-evaporation, the solid dangerous waste salt enters a solid dangerous waste salt bin, the solid dangerous waste salt bin enters a cracking furnace for high-temperature cracking, and the cracking furnace carries out high-temperature cracking on the dangerous waste salt into solid crude salt and waste gas. The solid crude salt enters a salt dissolving kettle, waste gas generated by pyrolysis enters a dust remover to remove carbon slag, then enters a quenching tower to be cooled, then enters a No. 1 oxidation tower to carry out oxidation reaction on harmful components in the waste gas by adding an oxidant, organic matters are removed, and finally the waste gas enters a wet electric dust removal demisting device. The carbon slag removed by the dust remover enters a slag dissolving kettle, slag dissolving kettle materials enter a filter press again, filter pressing is carried out to form a filter cake, a part of filtrate flows back to the slag dissolving kettle, another part of filtrate generated by the filter press and solid crude salt from a cracking furnace enter a salt dissolving kettle together to be dissolved, the filter is pumped into a filter for removing impurities through a feed pump, the filter enters a No. 2 oxidation tower for oxidation, and refractory organic matters are changed into biochemically-degradable substances through adding an oxidant. The solution of the No. 2 oxidation tower enters a No. 2 evaporation crystallizer for re-evaporation crystallization, the steam generated by the No. 2 evaporation crystallizer enters a No. 2 condenser for condensation into biochemical wastewater, and the wastewater enters biochemical treatment. And (3) enabling concentrated solution generated by the No. 2 evaporation crystallizer to enter a No. 2 centrifuge, separating a salt-containing filter cake and filtrate from the concentrated solution by the No. 2 centrifuge, refluxing the filtrate to the No. 2 evaporation crystallizer for re-evaporation, and enabling the filter cake to enter a dryer for drying to generate saleable finished salt meeting the industrial salt standard.
It is particularly pointed out that the various devices and components making up the system are of known construction and are available in the open market.
The invention has the following beneficial effects:
(1) The reaction product of 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 reference numerals in the figures are as follows:
letter meaning: A. the pretreatment tank B1, the lifting pump C1, the No. 1 evaporation crystallizer D1, the No. 1 condenser E1, the No. 1 centrifuge F, the solid dangerous waste salt bin G, the cracking furnace H, the dust remover J, the quenching tower K1, the No. 1 oxidation tower L, the slag dissolution kettle B2, the screw pump M, the filter press N, the salt dissolution kettle B3, the feed pump P, the filter K2, the No. 2 oxidation tower C2, the No. 2 evaporation crystallizer D2, the No. 2 condenser E2, the No. 2 centrifuge Q, the dryer R and wet electricity.
Meaning of the reference numerals: 1. waste water inlet 2, pretreatment tank medicine feeding port 3, particulate matter discharge port 4, waste water outlet 5, lift pump outlet 6, no. 1 evaporative crystallizer steam outlet 7, no. 1 condenser cooling water outlet 8, no. 1 condenser cooling water inlet 9, no. 1 condenser condensate discharge port 10, no. 1 evaporative crystallizer concentrate discharge port 11, no. 1 evaporative crystallizer reflux port 12, no. 1 centrifuge solid dangerous waste salt discharge port 13, solid dangerous waste salt bin discharge port 14, cracking furnace material outlet 15, cracking furnace gas outlet 16, dust remover gas outlet 17, quenching tower gas outlet 18, no. 1 oxidation tower gas outlet 19, no. 1 oxidation tower oxidant medicine feeding port 20, dust remover slag discharge port 21, slag dissolution kettle discharge port 22 screw pump outlet 23, filter press solid discharge port 24, filter press liquid discharge port 25, salt-dissolving kettle discharge port 26, filter material inlet 27, filter liquid outlet 28, filter drain 29, no. 2 oxidation tower discharge port 30, no. 2 evaporative crystallizer vapor outlet 31, no. 2 condenser cooling water outlet 32, no. 2 condenser cooling water inlet 33, no. 2 condenser condensate discharge port 34, no. 2 evaporative crystallizer reflux liquid inlet 35, no. 2 evaporative crystallizer concentrate outlet 36, no. 2 centrifuge solid salt discharge port 37, dryer exhaust port 38, dryer finished product salt discharge port 39, no. 2 oxidation tower oxidant charge port 40, wet electric gas outlet 41, slag-dissolving kettle filtrate reflux inlet.
Detailed Description
The invention is further illustrated by the following detailed description of embodiments, which is given in connection with the accompanying drawings.
As shown in figure 1, a high COD high salt wastewater treatment system, pretreatment tank A wall upper portion is equipped with waste water import 1, the top is equipped with pretreatment tank charge mouth 2, the 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 No. 1 evaporative crystallizer steam export 6, the lower part is equipped with No. 1 evaporative crystallizer concentrate discharge port 10, the bottom is equipped with No. 1 evaporative crystallizer return port 11, no. 1 evaporative crystallizer C1 passes through pipeline connection No. 1 condenser D1, no. 1 condenser D1 upper portion is equipped with steam import and cooling water export 7, the lower part is equipped with No. 1 condenser cooling water import 8, the bottom is equipped with condensate discharge port 9. The No. 1 evaporation crystallizer C1 is connected with a No. 1 centrifugal machine E1 through a pipeline, a concentrated solution inlet is arranged at the upper part of the No. 1 centrifugal machine E1, a reflux outlet is arranged at the side surface and is connected with a No. 1 evaporation crystallizer reflux port 11, a No. 1 centrifugal machine solid dangerous waste salt discharge port 12 is arranged at the bottom, the No. 1 centrifugal machine E1 is connected with a solid dangerous waste salt storage bin F through a flange, a solid dangerous waste salt feed port is arranged at the upper part of the solid dangerous waste salt storage bin F, a solid dangerous waste salt discharge port 13 is arranged at the side surface, the solid dangerous waste salt storage bin F is connected with a cracking furnace G through a pipeline, a solid dangerous waste salt feed port and a cracking furnace G gas outlet 15 are arranged at the upper part of the cracking furnace G, the lower part is equipped with pyrolysis furnace G material export 14, pyrolysis furnace G passes through the pipeline and links to each other with dust remover H, dust remover H side is equipped with pyrolysis furnace gas inlet 15, the bottom is equipped with row cinder notch 20, dust remover H top is equipped with gas outlet 16, dust remover H passes through the pipeline and links to each other with quench tower J, quench tower J lower part is equipped with gas inlet, the top is equipped with gas outlet 17, quench tower J passes through the pipeline and links to each other with No. 1 oxidation tower K1, no. 1 oxidation tower K1 lower part is equipped with gas inlet and oxidant charge mouth 19, the top is equipped with gas outlet 18, gas outlet 18 passes through the pipeline and links to each other with wet electricity R lower part, wet electricity R top is equipped with gas outlet 40. The dust remover H is further connected with a slag dissolution kettle L through a pipeline, a dust remover slag discharge inlet 20 is formed in the upper portion of the slag dissolution kettle L, a backflow inlet 41 is formed in the bottom of the slag dissolution kettle L, a slag outlet 21 is formed in the lower portion of the slag dissolution kettle L, the slag dissolution kettle L is connected with a screw pump B2 through a pipeline 21, the screw pump B2 is connected with a filter press M through a pipeline 22, a material inlet 22 is formed in the upper portion of the filter press M, a solid discharge port 23 and a liquid discharge port 24 are formed in the lower portion of the filter press M, the liquid discharge port 24 is connected with the backflow inlet 41 in the bottom of the slag dissolution kettle L through a pipeline, a cracking furnace G and the filter press M are respectively connected with a salt dissolution kettle N through pipelines 24 and 14, a cracking furnace G material inlet 14 is formed in the upper portion of the salt dissolution kettle N, a filter press M liquid inlet 24 is formed in the side of the salt dissolution kettle N, the salt dissolution kettle N is connected with a feed pump B3 through a pipeline 26, a filter P is connected with the feed pump B3, a material inlet 26 is formed in the upper portion of the filter press, a material outlet 27 is formed in the top of the filter press, and a drain 28 is formed in the lower portion of the filter. The filter P is connected with a No. 2 oxidation tower K2 through a pipeline 27, a filter liquid inlet and an oxidant dosing port 39 are arranged at the lower part of the No. 2 oxidation tower K2, and a material outlet 29 is arranged at the upper part of the No. 2 oxidation tower K2. The No. 2 oxidation tower K2 is connected with a No. 2 evaporation crystallizer C2 through a pipeline, the upper part of the No. 2 evaporation crystallizer C2 is provided with a material inlet 29 and a steam outlet 30, and the lower part is provided with a reflux liquid inlet 34 and a concentrated liquid outlet 35. The No. 2 evaporative crystallizer C2 is connected with a No. 2 condenser D2 through a pipeline, the upper part of the No. 2 condenser D2 is provided with a steam inlet and a cooling water outlet 31, the lower part is provided with a cooling water inlet 32, and the bottom is provided with a condensate outlet 33. The No. 2 evaporation crystallizer C2 is connected with a No. 2 centrifugal machine E2 through a pipeline, a concentrated solution inlet is formed in the top of the No. 2 centrifugal machine E2, a backflow outlet is formed in the side face of the No. 2 centrifugal machine E2, and a solid salt discharge port 36 is formed in the bottom of the No. 2 centrifugal machine E2. The No. 2 centrifugal machine E2 is connected with a dryer Q through a pipeline, 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. The high COD high salt wastewater treatment system is characterized in that a wastewater inlet (1) is formed in the upper portion of a tank wall of a pretreatment tank (A), a drug adding port (2) of the pretreatment tank is formed in the top of the tank, a particulate matter discharge port (3) and a wastewater outlet (4) are formed in the lower portion of the wall of the pretreatment tank, the wastewater outlet (4) is connected with a lifting pump (B1) through a pipeline, a lifting pump (B1) outlet (5) is connected with a No. 1 evaporation crystallizer (C1) through a pipeline, a No. 1 evaporation crystallizer steam outlet (6) is formed in the upper portion of the No. 1 evaporation crystallizer (C1), a No. 1 evaporation crystallizer concentrate discharge port (10) is formed in the lower portion of the tank, a No. 1 evaporation crystallizer return port (11) is formed in the bottom of the tank, a No. 1 evaporation crystallizer concentrate discharge port (10) is connected with a No. 1 evaporation crystallizer return port (11) at the bottom of the No. 1 through a pipeline, a No. 1 centrifuge (E1) is arranged at the bottom of the side portion of the tank, a No. 1 solid dangerous salt discharge bin (12) is arranged at the side portion of the No. 1 centrifuge (E1) through a pipeline, a dangerous solid salt discharge bin (G) is arranged at the side portion of the solid dangerous salt discharge bin (13) is connected with a dangerous salt discharge port (G) of a waste material, the dangerous salt discharge bin (waste material is arranged at one end of a dangerous salt waste material is connected with a solid waste material (waste material cracking furnace through a solid (F) through a solid salt discharge port, the other end is provided with a cracking furnace gas outlet (15), the lower part is provided with a cracking furnace material outlet (14), the cracking furnace gas outlet (15) is connected with a dust remover (H) through a pipeline, the bottom end of the dust remover (H) is provided with a dust remover slag discharging port (20), the top is provided with a dust remover gas outlet (16), the dust remover gas outlet (16) 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 quenching tower gas outlet (17), the quenching tower gas outlet (17) is connected with the lower part of a No. 1 oxidation tower (K1) through a pipeline, the lower part of the No. 1 oxidation tower (K1) is provided with a No. 1 oxidation tower oxidant adding port (19), the top of the No. 1 oxidation tower (K1) is provided with a No. 1 oxidation tower gas outlet (18), the No. 1 oxidation tower gas outlet (18) is connected with the lower part of a wet electric reactor (R) through a pipeline, the top of the wet electric reactor (R) is provided with a wet electric gas outlet (40), the dust remover slag discharging port (20) at the bottom end of the dust remover (H) is connected with a slag dissolving kettle (L) through a pipeline, the bottom of the dissolution kettle (L) is provided with a slag reflux pump (21) through a pipeline (B), the bottom of the dissolution kettle (B) is provided with a reflux pump (21), the dissolution kettle (B) is connected with a dissolution kettle (B) through a screw pump (21), the lower part of the filter press (M) is provided with a filter press solid discharge port (23) and a filter press liquid discharge port (24), the filter press liquid discharge port (24) is connected with a slag still filtrate backflow inlet (41) at the bottom of a slag still (L) through a pipeline, a cracking furnace (G) and the filter press (M) are respectively connected with a salt still (N) through pipelines, the salt still discharge port (25) 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 filter material inlet (26), the top of the filter (P) is provided with a filter liquid outlet (27), the lower part of the filter liquid outlet (27) is connected with the lower part of a No. 2 oxidation tower (K2) through a pipeline, the upper part of the No. 2 oxidation tower (K2) is provided with a No. 2 oxidation tower discharge port (29), the lower part of the No. 2 oxidation tower oxidant addition port (39) is provided with a No. 2 oxidation tower discharge port (29) which is connected with the upper part of a No. 2 evaporation crystallizer (C2) through a pipeline, the upper part of the No. 2 evaporation crystallizer (C2) is provided with a filter material inlet (34), the upper part of the No. 2 evaporation crystallizer (C2) is provided with a crystallization liquid outlet (35) and the evaporation liquid outlet (2) is provided with a vapor outlet (35), the steam outlet (30) of the No. 2 evaporative crystallizer is connected with a No. 2 condenser (D2) through a pipeline, the concentrated solution outlet (35) of the No. 2 evaporative crystallizer (C2) is connected with a No. 2 centrifugal machine (E2) through a pipeline, a reflux liquid outlet is arranged on the side part of the No. 2 centrifugal machine (E2), a solid salt discharge port (36) is arranged at the bottom of the No. 2 centrifugal machine, the solid salt discharge port of the No. 2 centrifugal machine (E2) is connected with a dryer (Q) through a pipeline, a dryer exhaust port (37) is arranged at the top of the dryer (Q), and a finished salt discharge port (38) is arranged at the bottom of the dryer.
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 CN110790440A (en) | 2020-02-14 |
| CN110790440B true CN110790440B (en) | 2024-03-26 |
Family
ID=69447776
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911247456.7A Active CN110790440B (en) | 2019-12-09 | 2019-12-09 | High COD high salt wastewater treatment system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110790440B (en) |
Families Citing this family (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 |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
2019
- 2019-12-09 CN CN201911247456.7A patent/CN110790440B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110790440A (en) | 2020-02-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102161541B (en) | Method for extracting salt from coking desulphurization waste solution and special device thereof | |
| CN106746124A (en) | Garbage flying ash water-washing pre-treatment and cement kiln collaboration disposal of resources system | |
| CN106495384A (en) | The technique that a kind of utilization organic contamination high-salt wastewater prepares industrial purified salt | |
| CN206359427U (en) | Garbage flying ash water-washing pre-treatment and cement kiln collaboration disposal of resources system | |
| CN104926011B (en) | The evaporative crystallization zero-discharge treatment system and processing method of a kind of high-COD waste water | |
| CN109455884A (en) | A kind of nitrogen resource thermal extraction recovery system | |
| CN212597897U (en) | Flying dust washing processing system | |
| CN103787542B (en) | The wastewater recovery processing technique that a kind of Preparation of Sebacic Acid From Castor Oil produces and device | |
| CN111039492A (en) | Low-cost zero-discharge desulfurization wastewater treatment system and method | |
| CN110790440B (en) | High COD high salt wastewater treatment system | |
| CN113772884B (en) | Coking wastewater treatment system and method | |
| CN215391554U (en) | Waste salt resourceful treatment system | |
| CN107902829B (en) | Cold rolling oil-containing and emulsion wastewater recycling process and device thereof | |
| CN106430769A (en) | Coal chemical industry wastewater pretreatment deamination technology and system | |
| CN203754551U (en) | Device for recycling and treating waste water produced during preparation of decanedioic acid by utilizing castor oil | |
| CN206033465U (en) | Coal chemical wastewater preliminary treatment deamination system | |
| CN211688662U (en) | High COD high salt effluent disposal system | |
| CN101628928B (en) | Producing technology of turmetic produced saponin | |
| CN102874958A (en) | Method for treating and reusing sodium sulfate containing organic waste water | |
| CN102153224A (en) | Treatment technology for industrial sewage from sodium carboxymethylcellulose | |
| CN108689538A (en) | The processing unit and its processing method of desulfurization wastewater | |
| CN212246622U (en) | Low-cost zero release desulfurization effluent disposal system | |
| CN214693342U (en) | Mixed salt processing system of industrial salt that contains organic matter | |
| CN115057550A (en) | Coal gas cooling circulating cooling water treatment method and device | |
| CN114506862A (en) | Method and equipment for utilizing industrial waste mixed salt |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |