CN209602298U - The total system of dyeing used water difficult to degradate with high salt - Google Patents

The total system of dyeing used water difficult to degradate with high salt Download PDF

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CN209602298U
CN209602298U CN201920148396.2U CN201920148396U CN209602298U CN 209602298 U CN209602298 U CN 209602298U CN 201920148396 U CN201920148396 U CN 201920148396U CN 209602298 U CN209602298 U CN 209602298U
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incinerator
strong brine
cavitation device
degradate
connect
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李玄
史会剑
王占金
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Shandong Institute of ecological environment planning
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Shandong Institute Of Environmental Planning
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Abstract

A kind of total system of dyeing used water difficult to degradate with high salt, including Hydrodynamic cavitation device, incinerator and heat exchanger;Waste water inlet, steam drain and strong brine outlet are provided on Hydrodynamic cavitation device, the steam drain of Hydrodynamic cavitation device is connect by mixed vapour delivery pipe with incinerator, the strong brine outlet of Hydrodynamic cavitation device is connect by strong brine delivery pipe with heat exchanger, incinerator is connect by superheated steam pipe with heat exchanger, and heat exchanger is connect by vapour-discharge tube with the mixed vapour delivery pipe.The system passes through Hydrodynamic cavitation device heated waste water, the mixed vapour containing volatile organic compounds generated, which enters in incinerator, to be burned, the superheated steam that incinerator generates continues as heat source to be high strong brine to the concentration of strong brine heating evaporation, the continuously and efficiently processing of high-salt wastewater is realized, organic matter removal is thorough, thoroughly eliminates the harm of high-salt wastewater, low energy consumption, high-efficient, whole system is simple and easy to do, and operational safety is stablized.

Description

The total system of dyeing used water difficult to degradate with high salt
Technical field
The utility model relates to a kind of for carrying out the comprehensive device thoroughly handled to dyeing used water difficult to degradate with high salt, Belong to technical field of waste water processing.
Background technique
The waste water of dyeing discharge includes desized wastewater, boiled-off waste water, bleaching effluent, mercerizing waste water, dyeing waste-water, print Flower waste water, arranging process waste water etc., contain dyestuff, slurry, auxiliary agent, finish, soda acid, fiber impurity, sand substance, nothing in waste water Machine salt etc. has the characteristics that complicated component, biodegradability are poor, processing difficulty is big, belongs to one of intractable industrial wastewater, at tradition Reason method has physisorphtion, chemical coagulation process (coagulant sedimentation, mixed condensed gas flotation process), Ozonation, electrolysis method, aerobic life Object facture, but it is individually poor using these method treatment effects, it is difficult to reach emission request.
Salt density variation is complicated in the waste water that dyeing generates, and organism kinds are various, with high salt in dyeing Waste water needs to carry out desalting processing, and desalting processing includes selection film process, electrodialysis, electric desalination, high temperature evaporation or freezing and crystallizing Etc. technologies or multiple technologies combination carry out salt water separation.The lower waste water of total salt quantity preferably passes through the skills such as nanofiltration, reverse osmosis, electrochemistry Art desalination.The concentrated water that cannot be comprehensively utilized generated in desalination processes preferably passes through evaporative crystallization method or freeze crystallization is solidified Processing, it is more to use triple effect evaporation or mechanical compression re-evaporation desalination system (MVR).Also just like Chinese patent literature " a kind of industry high-salt wastewater separating-purifying device " is the salt made in waste water by microwave radiometer disclosed in CN108751304A Rapid crystallization is precipitated to form crystal salt, and " the high-salt wastewater processing system based on solar energy " disclosed in CN108569740A is to utilize Solar energy generates thermal energy to high-salt wastewater evaporative crystallization." a kind of industry high-salt wastewater desalination system disclosed in CN108751305A System ", including microwave generation system, heating system and spray system, structure be relative complex.It " is used for disclosed in CN107555699A The flash evaporator system and method for high-salt wastewater ", including electromagnetic processor, ultrasonic processor, ultrasonic atomizer, ultrasonic short distance steaming Send out room, carbonated drink and material separator, air dehumidifier, dry-air blast conveyer, ultrasonic spiral deflector and slag-discharging device.
Chinese patent literature CN109205895A is disclosed " a kind of high-salt wastewater treatment process system and method ", including de- Sulphuring treatment system, raw water conditioning tank, super softening sedimentation basin, super ozone equipment, clear water reserviors, more medium filter, weak acid cation bed, Sodium bed, ultraviolet device, tubular membrane, cartridge filter, SCRO, special separation film, high pressure are reverse osmosis, flue evaporative crystallization is dry Device, wastewater disposal basin and reuse pool further include related matched cleaning device, chemicals dosing plant, electrical system and instrument control.This is System comprehensively utilizes the various prior arts, and structure is complicated, and operating cost is higher.
Also occur carrying out the technology of crystallization desalination by Hydrodynamic cavitation mode at present, as disclosed in CN109052573A " a kind of water treatment facilities and its method for treating water ", including Hydrodynamic cavitation device, the Hydrodynamic cavitation device, which includes that inner wall is tapered, to be entered The outlet section of mouth section, inner wall flaring, and it is set to the orifice plate of the entrance and the outlet section junction;Non-crystalline material oxygen Change device, the non-crystalline material oxidator includes cylinder and the oxidation stick for being fixed on the inner barrel, at least partly described oxygen The outside for changing stick is coated with Fe-based amorphous material;The arrival end of the cylinder is connected with the outlet section of the Hydrodynamic cavitation device. The device Hydrodynamic cavitation and non-crystalline material catalysis oxidation act synergistically, and no chemical substance is added directly.But Hydrodynamic cavitation The structure of device is Venturi tube, and cavitation intensity is lower, and cavitation effect is to be improved.
The waste water that dyeing generates belongs to used water difficult to degradate with high salt, though the effect of existing desalinating process is good, waves in water Hair property organic matter, especially water-soluble volatile organic matter can enter in condensed water with subsequent condensation, the organic matter of condensed water The problem of pollution, still remains.In terms of the engineering practice of existing wastewater treatment, the treatment effect of traditional typical process is difficult to full The requirement for the wastewater discharge standard being increasingly stringenter enough.
Utility model content
The utility model for deficiency existing for existing dyeing waste water processing technique, propose a kind of high treating effect, The total system of high-efficient, less energy-consuming dyeing used water difficult to degradate with high salt.
The total system of the dyeing of the utility model used water difficult to degradate with high salt, using following technical scheme:
The system, including Hydrodynamic cavitation device, incinerator and heat exchanger;Waste water inlet, steam discharge are provided on Hydrodynamic cavitation device The steam drain of mouth and strong brine outlet, Hydrodynamic cavitation device is connect by mixed vapour delivery pipe with incinerator, Hydrodynamic cavitation device Strong brine outlet connect with heat exchanger by strong brine delivery pipe, incinerator passes through superheated steam pipe and heat exchanger company It connects, heat exchanger is connect by vapour-discharge tube with the mixed vapour delivery pipe.
The Hydrodynamic cavitation device includes the outlet of the tapered inlet tube and inner wall flaring of shell, inner wall, inlet tube and is gone out Mouth pipe is arranged in shell and links together, and abacus is arranged in junction, and upper part of the housing is provided with waste water inlet, shell upper end It is provided with steam drain, housing bottom is provided with strong brine outlet, and waste water inlet is connect with inlet tube.The prior art can also be used Various structure types cavitation device.
The waste water inlet of the Hydrodynamic cavitation device is connect by delivery pump with filtering ponds, and waste water is filtered to remove by filtering ponds It is pumped into after impurity in Hydrodynamic cavitation device.
The first heat storage is provided on the incinerator, the first heat storage is connect with mixed vapour delivery pipe.
Vapour compression machine is provided in the mixed vapour delivery pipe.
The upper end of the incinerator is provided with exhaust valve, when the pressure of superheated steam in incinerator is greater than the set value, row Air valve is opened, and extra superheated steam is excluded.
Strong brine delivery pump is provided in the strong brine delivery pipe, strong brine delivery pump generates Hydrodynamic cavitation device dense Salt water is pumped into the top of heat exchanger, by under spray head atomization spray.
The highly concentrated brine discharge mouth of the exchanger base setting is connect by highly concentrated brine discharge pipe with incinerator.
Waste water is pumped into Hydrodynamic cavitation device after being filtered to remove impurity, and it is high to generate high temperature under the effect of Hydrodynamic cavitation phenomenon Pressure, waste water evaporation generate the mixed vapour containing volatile organic matter, and salt content increase forms strong brine in the waste water after evaporation. Mixed vapour enters incinerator burning, and mixed vapour becomes superheated steam after incinerating volatile organic matter, and superheated steam enters Heat exchanger.Strong brine also enters heat exchanger, under being sprayed by spray head atomization, and carries out heat exchange with the superheated steam of entrance, makes to overheat Steam continues to participate in the heating of Hydrodynamic cavitation device discharge strong brine, energy-saving to realize.The steam generated in heat exchanger is again It is burned in into incinerator, is thusly-formed circulation, heat is fully used.Strong brine generates highly concentrated after exchanging heat in heat exchanger Heat exchanger is discharged in salt water, high strong brine, on the one hand can be directly entered in incinerator and burn, handle waste water thoroughly;One Aspect can be such that highly concentrated salt water is expelled directly out, and continue condensing crystallizing, get utilization.
By Hydrodynamic cavitation device heated waste water, the mixed vapour containing volatile organic compounds of generation enters to be burnt the utility model It burns in furnace and burns, the superheated steam that incinerator generates continues the strong brine heating evaporation obtained as heat source to Hydrodynamic cavitation, makes It is high strong brine that strong brine, which continues concentration, realizes and high-salt wastewater is continuously and efficiently dried to the aqueous of suitable burning processing Rate completes the evaporation and burning disposal of volatile organic matter in high-salt wastewater, and organic matter removal is thorough, thoroughly eliminates high-salt wastewater Harm, while having achieved the purpose that energy-saving, low energy consumption, and high-efficient, whole system is simple and easy to do, and operational safety is stablized.
Detailed description of the invention
Fig. 1 is the principle schematic diagram of the total system of the utility model dyeing used water difficult to degradate with high salt.
Fig. 2 is the structural schematic diagram of Hydrodynamic cavitation device in the utility model.
In figure: 1. Hydrodynamic cavitation devices, 2. waste water inlets, 3. steam drains, 4. strong brine outlets, the conveying of 5. mixed vapours Pipe, 6. vapour compression machines, 7. first heat storages, 8. incinerators, 9. superheated steam discharge outlets, 10. superheated steam pipes, 11. Second heat storage, 12. vapour-discharge tube pipes, 13. heat exchangers, 14. highly concentrated brine discharge pipes, 15. strong brine delivery pumps, 16. is dense Salt water delivery pipe, 17. exhaust valves, 18. filtering ponds, 19. delivery pumps, 20. shells, 21. entrances, 22. porous plates, 23. outlets Section.
Specific embodiment
As shown in Figure 1, the total system of the dyeing of the utility model used water difficult to degradate with high salt, including successively connect Hydrodynamic cavitation device 1, incinerator 8 and the heat exchanger 13 connect.The first heat storage 7 and the second heat storage 11 are provided on incinerator 8.
Hydrodynamic cavitation device is a kind of device dedicated for generating Hydrodynamic cavitation phenomenon, and structure is as shown in Fig. 2, usually wrap Include the outlet 23 of the inner wall to link together tapered inlet tube 21 and inner wall flaring, the connection of inlet tube 21 and outlet 23 Place is provided with the orifice plate 22 passed through for water flow (at minimum diameter).Hydrodynamic cavitation device 1 in the utility model further includes shell 20, inlet tube 21 and outlet 23 are arranged in shell 20.20 top of shell is provided with waste water inlet 2, and upper end is provided with steam discharge Mouth 3, bottom is provided with strong brine outlet 4.Waste water inlet 2 is connect with inlet tube 21.Inlet tube 21 and outlet 23 and shell There are gaps between 20 inner walls is discharged so as to rise after waste water vaporization by steam drain 3.When water flow edge flows axially through its aperture plate When 22, since the choked flow of orifice plate 22 acts on, flow velocity increases, pressure reduction is dissolved in when pressure is down to vapour pressure even negative pressure Gas therein can release, at the same fluid vaporization and generate a large amount of cavitation bubbles, subsequent liquid perimeter pressure is restored to spray rapidly Expansion is penetrated, cavitation bubble moment vanishes, and generates TRANSIENT HIGH TEMPERATURE high pressure.
The waste water inlet 2 of Hydrodynamic cavitation device 1 is connect by delivery pump 19 with filtering ponds 18, and used water difficult to degradate with high salt passed through Filter tank 18 is pumped into Hydrodynamic cavitation device 1 after being filtered to remove impurity, and cavitation occurs in cavitation device 1 and forms vacuole for waste water, with dampening Pressure increases, bubble collapse, and the moment of bubble collapse forms shock wave and microjet, generates high temperature and pressure, and waste water evaporation, which generates, to be contained There is the mixed vapour of volatile organic matter, salt content increase forms strong brine in the waste water after evaporation.High temperature and pressure can be by waste water Middle most organic pollutants oxidative degradation has significant treatment effect to organic pollution aquifer toxic, difficult to degrade.
The steam drain 3 of Hydrodynamic cavitation device 1 is connect with mixed vapour delivery pipe 5.Steam is provided in mixed vapour delivery pipe 5 Compressor 6.The first heat storage 7 on the other end connection incinerator 8 of mixed vapour delivery pipe 5.Mixed vapour passes through vapour pressure Contracting machine 6 enters the first heat storage 7, enters incinerator 7 by the first heat storage 7, on the one hand incinerator 7 heats burns in mixed vapour Organic matter, on the one hand make 11 accumulation of heat of the first heat storage 7 and the second heat storage, mixed vapour incinerate after volatile organic matter at For superheated steam.
The upper end of incinerator 8 is provided with superheated steam discharge outlet 9 and exhaust valve 17, and superheated steam discharge outlet 9 passes through overheat Steam pipeline 10 is connect with the import of 13 lower part of heat exchanger, so that superheated steam is continued to participate in Hydrodynamic cavitation device 1 and strong brine is discharged Heating, it is energy-saving to realize.The upper end of heat exchanger 13 is provided with vapour-discharge tube 12, vapour-discharge tube 12 and mixed vapour Delivery pipe 5 connects.When the pressure of superheated steam in incinerator 8 is greater than the set value, exhaust valve 17 is opened, and is excluded extra overheat and is steamed Vapour guarantees the safe and stable operation of whole system.
The strong brine outlet 4 of 1 bottom of Hydrodynamic cavitation device is connect by strong brine delivery pipe 16 with the top of heat exchanger 13, Strong brine delivery pump 15 is provided in strong brine delivery pipe 16.The strong brine that strong brine delivery pump 15 generates Hydrodynamic cavitation device 1 It is pumped into the top of heat exchanger 13, by under spray head atomization spray.It is atomized waste water and continues the heating evaporation in heat exchanger 13, evaporate generation Steam enters mixed vapour delivery pipe 5 by vapour-discharge tube 12, enters together with the mixed vapour that Hydrodynamic cavitation device 1 is discharged and burns It is burned in furnace 8.It is thusly-formed circulation, heat is fully used, and energy consumption greatly reduces.
The bottom discharge port of heat exchanger 13 is connected by highly concentrated brine discharge pipe 14 with the second heat storage 11 on incinerator 8 It connects.Strong brine generates high strong brine after exchanging heat in heat exchanger 13, high strong brine is entered by highly concentrated brine discharge pipe 14 to be burned Furnace 8 burns, and handles waste water thoroughly.High strong brine can also be expelled directly out by highly concentrated brine discharge pipe 14, continue concentration knot Crystalline substance gets utilization.
Details are provided below to volatile organic matter removal in water difficult to degrade for above system.
Waste water is first passed around to be filtered into filtering ponds 18, removes impurity, and filtered clear liquid is pumped into Hydrodynamic cavitation device 1 It is interior, high temperature and pressure is generated under the effect of Hydrodynamic cavitation phenomenon, waste water evaporation generates the mixed vapour containing volatile organic matter, steams Salt content increase forms strong brine in waste water after hair.
Mixed vapour enters incinerator 7 by vapour compression machine 6, and the temperature in incinerator 7 is set as 900-1100 DEG C.It burns It burns furnace 7 and on the one hand heats the organic matter burned in mixed vapour, on the one hand make heat storage accumulation of heat.Mixed vapour incinerates volatility Become superheated steam after organic matter.Superheated steam enters heat exchanger 13 by superheated steam pipe 10.Strong brine passes through dense salt Water delivery pipe 16 enters the top of heat exchanger 13, by carrying out heat exchange with the superheated steam of entrance, making to overheat under spray head atomization spray Steam continues to participate in the heating that strong brine is discharged in Hydrodynamic cavitation device 1, energy-saving to realize.
The steam generated in heat exchanger 13 is again introduced into incinerator 8 by vapour-discharge tube 12 and mixed vapour delivery pipe 5 Interior burning, is thusly-formed circulation, and heat is fully used.Strong brine generates high strong brine after exchanging heat in heat exchanger 13, high Strong brine is discharged by highly concentrated brine discharge pipe 14, on the one hand can be directly entered in incinerator 8 and be burned, obtain waste water thoroughly Processing;On the one hand highly concentrated salt water can be made to be expelled directly out, continues condensing crystallizing, gets utilization.
When the pressure of superheated steam is greater than the set value, exhaust valve 17 is opened, excludes extra superheated steam, guarantees whole system Safe and stable operation.

Claims (8)

1. a kind of total system of dyeing used water difficult to degradate with high salt, characterized in that including Hydrodynamic cavitation device, incinerator And heat exchanger;Waste water inlet, steam drain and strong brine outlet are provided on Hydrodynamic cavitation device, the steam drain of Hydrodynamic cavitation device is logical It crosses mixing steam pipeline to connect with incinerator, the strong brine outlet of Hydrodynamic cavitation device passes through strong brine delivery pipe and heat exchanger Connection, incinerator are connect by superheated steam pipe with heat exchanger, and heat exchanger passes through vapour-discharge tube and the mixed vapour Delivery pipe connection.
2. the total system of dyeing used water difficult to degradate with high salt according to claim 1, it is characterized in that: the water Power cavitation device includes the outlet of the tapered inlet tube and inner wall flaring of shell, inner wall, and inlet tube and outlet are arranged in shell Interior and link together, abacus is arranged in junction, and upper part of the housing is provided with waste water inlet, and shell upper end is provided with steam drain, Housing bottom is provided with strong brine outlet, and waste water inlet is connect with inlet tube.
3. the total system of dyeing used water difficult to degradate with high salt according to claim 1, it is characterized in that: the water The waste water inlet of power cavitation device is connect by delivery pump with filtering ponds.
4. the total system of dyeing used water difficult to degradate with high salt according to claim 1, it is characterized in that: described burn It burns and is provided with the first heat storage on furnace, the first heat storage is connect with mixed vapour delivery pipe.
5. the total system of dyeing used water difficult to degradate with high salt according to claim 1, it is characterized in that: described mixed It closes in steam pipeline and is provided with vapour compression machine.
6. the total system of dyeing used water difficult to degradate with high salt according to claim 1, it is characterized in that: described burn The upper end for burning furnace is provided with exhaust valve.
7. the total system of dyeing used water difficult to degradate with high salt according to claim 1, it is characterized in that: described dense Strong brine delivery pump is provided in salt water delivery pipe.
8. the total system of dyeing used water difficult to degradate with high salt according to claim 1, it is characterized in that: described change The highly concentrated brine discharge mouth of hot device bottom setting is connect by highly concentrated brine discharge pipe with incinerator.
CN201920148396.2U 2019-01-28 2019-01-28 The total system of dyeing used water difficult to degradate with high salt Active CN209602298U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109534587A (en) * 2019-01-28 2019-03-29 山东省环境规划研究院 The total system of dyeing used water difficult to degradate with high salt

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109534587A (en) * 2019-01-28 2019-03-29 山东省环境规划研究院 The total system of dyeing used water difficult to degradate with high salt
CN109534587B (en) * 2019-01-28 2023-08-29 山东省生态环境规划研究院 Comprehensive treatment system for high-salt degradation-resistant wastewater in printing and dyeing industry

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Address after: 250101, No. ten, No. 3377, Ji'nan, Shandong

Patentee after: Shandong Institute of ecological environment planning

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