CN210736443U

CN210736443U - Industrial wastewater recycling zero discharge system

Info

Publication number: CN210736443U
Application number: CN201921736508.2U
Authority: CN
Inventors: 徐世娟; 张涛; 艾华; 逄金艳; 徐长领
Original assignee: Shandong Shenghe Electric Power Engineering Design Co Ltd
Current assignee: Shandong Shenghe Electric Power Engineering Design Co Ltd
Priority date: 2019-10-16
Filing date: 2019-10-16
Publication date: 2020-06-12
Anticipated expiration: 2029-10-16

Abstract

The utility model discloses an industrial waste water resourceful zero discharge system belongs to the waste water treatment field. The utility model provides an industrial waste water resourceful zero discharge system, includes the flotation cell, the flotation cell passes through water pump one and pipeline and adsorption tank interconnect, the adsorption tank passes through water pump two and pipeline and strong acid H type cation exchanger interconnect, the right side fixed mounting of strong acid H type cation exchanger has the decarbonizer. The industrial wastewater recycling zero-emission system purifies water through the flotation tank; the adsorption tank can adsorb and purify substances in the wastewater; through the arranged strongly acidic H-type cation and strongly basic OH-type anion exchanger, anions and cations in the ion exchange membrane can be filtered out; the water treatment membrane separation mechanism can purify the wastewater with ultrahigh efficiency; the crystallizer can crystallize and treat the completely purified water, so that the aim of zero discharge of industrial wastewater is fulfilled, and the use is convenient.

Description

Industrial wastewater recycling zero discharge system

Technical Field

The utility model relates to a waste water treatment technical field specifically is an industrial waste water resourceful zero discharge system.

Background

Industrial waste water, which means waste water and waste liquid discharged from a process, contains industrial production materials, intermediate products, byproducts lost with water and pollutants generated in the production process, and is an important cause of environmental pollution, particularly water pollution.

At present, the treatment flow of the wastewater generated in the industry is very complicated, which results in high equipment investment cost, and according to the comparison patent 1 (the patent name is: an industrial wastewater resource zero-discharge system, the application number is 201610304882.X, and the application publication number is CN 102776711A), the treatment of the industrial wastewater is complicated, and the wastewater is insufficiently filtered in the early stage of crystallization, which results in the unsatisfactory wastewater treatment effect, the existence of pollutants and the inconvenience of use.

Disclosure of Invention

An object of the utility model is to provide an industrial waste water resourceful zero discharge system to it is not abundant enough to provide the filtration to waste water in solving above-mentioned background art, leads to the not enough ideal of treatment effect of waste water, still has the pollutant, the not convenient to use's problem.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides an industrial waste water resourceful zero discharge system, includes the flotation cell, the flotation cell passes through water pump one and pipeline and adsorption cell interconnect, the adsorption cell passes through water pump two and pipeline and strong acid H type cation exchanger interconnect, the right side fixed mounting of strong acid H type cation exchanger has the decarbonizer, and strong acid H type cation exchanger and decarbonizer pass through pipeline interconnect, the downside fixed mounting of decarbonizer has middle water tank, and the decarbonizer passes through pipeline and middle water tank, middle water tank passes through pipeline and strong basicity OH type anion exchanger interconnect, strong basicity OH type anion exchanger passes through water pump three and pipeline and water treatment membrane separating mechanism interconnect, water treatment membrane separating mechanism passes through water pump and pipeline and storage box interconnect, the avris of storage box passes through pipeline fixedly connected with heat exchanger, the heat exchanger is fixedly connected with the deep condenser through a pipeline.

Preferably, the avris fixed mounting in flotation cell has the dissolved gas jar, fixed mounting has the relief pressure valve on dissolving the connecting tube between gas jar and the flotation cell, the inside fixed mounting in flotation cell has agitating unit, the avris fixed mounting in flotation cell has coagulant storage jar, coagulant storage jar communicates with each other with the flotation cell through four and pipeline of water pump and is connected.

Preferably, the side of the adsorption tank is fixedly provided with an adsorbent feeding device.

Preferably, a deaerator is fixedly installed at the top of the storage tank.

Preferably, the water treatment membrane separation mechanism comprises an MF micro-filter, an UF ultra-filter, an NF nano-filter and an RO reverse osmosis device, wherein the MF micro-filter, the UF ultra-filter, the NF nano-filter and the RO reverse osmosis device are sequentially arranged, the MF micro-filter is connected with the strong-alkaline OH type anion exchanger through a water pump III and a pipeline, and the RO reverse osmosis device is connected with the storage tank through a water pump and a pipeline.

Preferably, the heat exchanger has the deep-draw gear through water pump and pipe connection, fixed mounting has the defroster on the deep-draw gear, the defroster has the compressor through pipe connection, the compressor has the evaporimeter through pipe connection, the evaporimeter passes through the pipe connection crystallizer, the avris of crystallizer is connected with crystallization solid-liquid separator, crystallization solid-liquid separator is connected with the evaporimeter through water pump five.

Compared with the prior art, the beneficial effects of the utility model are that:

1. this industrial waste water resourceful zero release system purifies water through the flotation cell that sets up, and installs on flotation cell avris and dissolve gas pitcher and coagulant storage jar to can pour into to waste water and dissolve gas and add the coagulant, install agitating unit simultaneously in the flotation cell, make sewage and coagulant can the intensive mixing, improve purifying effect.

2. This industrial waste water resourceful zero discharge system through the adsorption tank that sets up, can adsorb the purification to the material in the waste water, and installs the adsorbent at the avris of adsorption tank and puts in the device, through adsorbent (porous solid matter) surface adsorption one or more pollutants in the sewage, makes sewage obtain purifying.

3. This industrial waste water resource zero discharge system through the strong acid H type cation exchanger, decarbonizer, middle water tank and the strong basicity OH type anion exchanger that set up, can filter out the zwitterion and the decarbonization among them.

4. This industrial waste water resourceful zero discharge system through the water treatment membrane separating mechanism who sets up, can carry out the purification of super high efficiency to waste water, and water treatment membrane separating mechanism mainly comprises MF micro filter, UF ultra-fine filter, NF receives the filter and RO reverse osmosis unit, carries out micro-filtration, ultrafiltration, nanofiltration and reverse osmosis treatment to waste water respectively, and purifying effect is very ideal.

5. This industrial waste water resourceful zero discharge system can carry out crystallization treatment to the water that purifies completely through the crystallizer that sets up, and crystallization thing and partial liquid separate through crystallization solid-liquid separator, and the crystallization is discharged, and liquid is carried out the secondary evaporation in transmitting to the evaporimeter through water pump five again, forms the closed loop, reaches the purpose of industrial waste water zero release, convenient to use.

Drawings

Fig. 1 is the structural schematic diagram of the industrial wastewater recycling zero discharge system provided by the utility model.

In the figure: 1. a flotation tank; 2. a first water pump; 3. an adsorption tank; 4. a second water pump; 5. a strongly acidic H-type cation exchanger; 6. a carbon remover; 7. an intermediate water tank; 8. a strongly basic OH type anion exchanger; 9. a third water pump; 10. a water treatment membrane separation mechanism; 1001. an MF microfilter; 1002. a UF ultrafilter; 1003. a NF nano filter; 1004. an RO reverse osmosis unit; 11. a storage tank; 12. a heat exchanger; 13. a dephlegmator; 14. a pressure reducing valve; 15. a dissolved air tank; 16. a stirring device; 17. fourthly, a water pump; 18. a coagulant storage tank; 19. an adsorbent dispensing device; 20. a deaerator; 21. a demister; 22. a compressor; 23. an evaporator; 24. a crystallizer; 25. a crystalline solid-liquid separator; 26. and a fifth water pump.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1, the present invention provides a technical solution: a zero discharge system for recycling industrial wastewater comprises a flotation tank 1, a first water pump 2, an adsorption tank 3, a second water pump 4, a strong acid H-type cation exchanger 5, a decarbonizer 6, an intermediate water tank 7, a strong base OH-type anion exchanger 8, a third water pump 9, a water treatment membrane separation mechanism 10, an MF micro-filter 1001, an UF ultra-filter 1002, an NF nano-filter 1003, an RO reverse osmosis device 1004, a storage tank 11, a heat exchanger 12, a deep condenser 13, a pressure reducing valve 14, a dissolved air tank 15, a stirring device 16, a fourth water pump 17, a coagulant storage tank 18, an adsorbent feeding device 19, an air remover 20, a demister 21, a compressor 22, an evaporator 23, a crystallizer 24, a crystalline solid-liquid separator 25 and a fifth water pump 26, wherein the flotation tank 1 is connected with the adsorption tank 3 through the first water pump 2 and a pipeline, the adsorption tank 3 is connected with the strong acid H-type cation exchanger 5 through the second water, a decarbonizer 6 is fixedly arranged on the right side of the strong acid H type cation exchanger 5, the strong acid H type cation exchanger 5 and the decarbonizer 6 are connected with each other through a pipeline, an intermediate water tank 7 is fixedly arranged on the lower side of the decarbonizer 6, the decarbonizer 6 is connected with the intermediate water tank 7 through a pipeline, the intermediate water tank 7 is connected with the strong base OH type anion exchanger 8 through a pipeline, when water passes through the strong acid H type cation exchanger 5, all cations in the water are absorbed by the strong acid H type resin, active groups H + are replaced into the water to be combined with anions in the water into H2CO3, and then the water is decomposed by the decarbonizer 6 into CO2, the decarbonizer 6 adopts a blast decarbonizer or a vacuum decarbonizer, the water is collected and stored through the intermediate water tank 7, the water in the intermediate water tank 7 is transmitted to the strong base OH type anion exchanger 8, and the OH in the strong base anion exchanger 8 is connected with negative ions in the acidic water (subjected to cation exchange and decarbonization) The ion exchange, strong basicity OH type anion exchanger 8 passes through water pump three 9 and pipeline and water treatment membrane separating mechanism 10 interconnect, and water treatment membrane separating mechanism 10 passes through water pump and pipeline and storage case 11 interconnect, and the avris of storage case 11 passes through pipeline fixedly connected with heat exchanger 12, and heat exchanger 12 passes through pipeline and 13 fixed connection of deep breathing ware.

The side of the flotation tank 1 is fixedly provided with a dissolved air tank 15, a pressure reducing valve 14 is fixedly arranged on a connecting pipeline between the dissolved air tank 15 and the flotation tank 1, a stirring device 16 is fixedly arranged in the flotation tank 1, the side of the flotation tank 1 is fixedly provided with a coagulant storage tank 18, and the coagulant storage tank 18 is communicated and connected with the flotation tank 1 through a water pump 17 and a pipeline.

An adsorbent feeding device 19 is fixedly arranged on the side of the adsorption tank 3.

A deaerator 20 is fixedly installed on the top of the storage tank 11.

The water treatment membrane separation mechanism 10 comprises an MF micro-filter 1001, an UF ultra-filter 1002, an NF nano-filter 1003 and an RO reverse osmosis device 1004, wherein the MF micro-filter 1001, the UF ultra-filter 1002, the NF nano-filter 1003 and the RO reverse osmosis device 1004 are sequentially arranged, the MF micro-filter 1001 is connected with a strong-alkaline OH type anion exchanger 8 through a water pump III 9 and a pipeline, and the RO reverse osmosis device 1004 is connected with a storage tank 11 through a water pump and a pipeline.

The heat exchanger 12 is connected with a deep-drawing device 13 through a water pump and a pipeline, a demister 21 is fixedly mounted on the deep-drawing device 13, the demister 21 is connected with a compressor 22 through a pipeline, the compressor 22 is connected with an evaporator 23 through a pipeline, the evaporator 23 is connected with a crystallizer 24 through a pipeline, a crystallization solid-liquid separator 25 is connected to the side of the crystallizer 24, and the crystallization solid-liquid separator 25 is connected with the evaporator 23 through a water pump five 26.

The working principle is as follows: firstly, industrial wastewater is conveyed to a flotation tank 1, dissolved gas is injected into the flotation tank 1 through a dissolved gas tank 15, the flow rate is regulated and controlled through a pressure reducing valve 14, a coagulant in a coagulant storage tank 18 is conveyed into the flotation tank 1 through a water pump IV 17, a stirring device 16 is started, the stirring device 16 mainly comprises a waterproof motor and a stirring paddle, sewage and the coagulant in the flotation tank 1 are fully mixed and stirred, the reaction effect of the sewage is improved, the sewage is conveyed to an adsorption tank 3 through a water pump I2, an adsorbent is put into the adsorption tank 3 through an adsorbent putting device 19, one or more pollutants in the sewage are adsorbed on the surface of the adsorbent (porous solid matters), the sewage is purified, the purified sewage is conveyed into a strong acid H-type cation exchanger 5 through a water pump II 4, when water passes through the strong acid H-type cation exchanger 5, all cations in water are absorbed by strong acid H type resin, active group H + is replaced into water, and is combined with anions in water to form H2CO3, then is decomposed by a decarbonizer 6 to generate CO2, the decarbonizer 6 adopts an air blast decarbonizer or a vacuum decarbonizer, and is collected and stored by an intermediate water tank 7, water in the intermediate water tank 7 is transmitted to a strong base OH type anion exchanger 8, OH in anion resin in the strong base OH type anion exchanger 8 is exchanged with negative ions in acid water (subjected to cation exchange and decarbonization), and is transmitted to an MF micro filter 1001, micro filtration is performed by the MF micro filter 1001, solid matters and suspended matters in sewage are further filtered, micro-filtered sewage is transmitted to an UF ultra filter 1002, proteins, macromolecular substances such as macromolecular pigments and the like in sewage are filtered by the UF ultra filter 1002, and the ultra-filtered sewage is transmitted to an NF nano filter 1003, filtering small molecular organic matters in the sewage through an NF nano-filter 1003, then transmitting the small molecular organic matters to an RO reverse osmosis device 1004, filtering inorganic salts in the sewage through the RO reverse osmosis device 1004 to obtain filtered sewage, then transmitting the filtered sewage to a storage tank 11 for storage, simultaneously adding a pH regulator into the storage tank 11 to enable the pH value of the water in the storage tank 11 to be 5.5-6.0, preparing for subsequent degassing and decarbonization, wherein a heating device is arranged in the storage tank 11, heating the water in the storage tank 11 to a boiling point, treating the gas generated by heating through a degasser 20, removing insoluble substances in the water, such as oxygen and carbon dioxide, transmitting the heated water to a bottom groove of a deep-reducing device 13 through a heat exchanger 12, allowing steam in the bottom groove to enter a compressor 22 through a demister 21 for compression treatment, then transmitting the steam to an evaporator 23 for evaporation, and finally entering a crystallizer 24 for processing into crystals and partial liquid, and the crystals and part of liquid are separated by a crystallization solid-liquid separator 25, the crystals are discharged, and the liquid is transmitted to the evaporator 23 by a water pump five 26 for secondary evaporation to form a closed loop, so that the aim of zero discharge of industrial wastewater is fulfilled, and the use is convenient.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides an industrial waste water resourceful zero release system, includes flotation cell (1), its characterized in that: flotation cell (1) is through water pump (2) and pipeline and adsorption tank (3) interconnect, adsorption tank (3) is through water pump two (4) and pipeline and strong acid H type cation exchanger (5) interconnect, the right side fixed mounting of strong acid H type cation exchanger (5) has decarbonizer (6), and strong acid H type cation exchanger (5) and decarbonizer (6) pass through pipeline interconnect, the downside fixed mounting of decarbonizer (6) has middle water tank (7), and decarbonizer (6) pass through pipeline and middle water tank (7), middle water tank (7) pass through pipeline and strong basicity OH type anion exchanger (8) interconnect, strong basicity OH type anion exchanger (8) pass through water pump three (9) and pipeline and water treatment membrane separating mechanism (10) interconnect, water treatment membrane separating mechanism (10) passes through water pump and pipeline and storage tank (11) interconnect, the avris of storage case (11) passes through pipeline fixedly connected with heat exchanger (12), heat exchanger (12) pass through pipeline and deep-contracting ware (13) fixed connection.

2. The industrial wastewater resource zero-emission system according to claim 1, characterized in that: the avris fixed mounting of flotation cell (1) has dissolved gas pitcher (15), it has relief pressure valve (14) to dissolve on the connecting tube between gas pitcher (15) and flotation cell (1), the inside fixed mounting of flotation cell (1) has agitating unit (16), the avris fixed mounting of flotation cell (1) has coagulant storage jar (18), coagulant storage jar (18) communicate with each other through four (17) of water pump and pipeline and flotation cell (1) and be connected.

3. The industrial wastewater resource zero-emission system according to claim 1, characterized in that: and an adsorbent feeding device (19) is fixedly mounted at the side of the adsorption tank (3).

4. The industrial wastewater resource zero-emission system according to claim 1, characterized in that: the top of the storage tank (11) is fixedly provided with a deaerator (20).

5. The industrial wastewater resource zero-emission system according to claim 1, characterized in that: the water treatment membrane separation mechanism (10) comprises an MF (millipore) microfilter (1001), an UF (ultra filtration) filter (1002), an NF (nano filtration) filter (1003) and an RO (reverse osmosis) device (1004), wherein the MF microfilter (1001), the UF (ultra filtration) filter (1002), the NF (nano filtration) filter (1003) and the RO (reverse osmosis) device (1004) are sequentially arranged, the MF microfilter (1001) is connected with a strong-alkaline OH type anion exchanger (8) through a water pump III (9) and a pipeline, and the RO (reverse osmosis) device (1004) is connected with a storage tank (11) through a water pump and a pipeline.

6. The industrial wastewater resource zero-emission system according to claim 1, characterized in that: the heat exchanger (12) has the deep-condensing ware (13) through water pump and pipe connection, fixed mounting has defroster (21) on the deep-condensing ware (13), there is compressor (22) defroster (21) through pipe connection, there is evaporimeter (23) compressor (22) through pipe connection, evaporimeter (23) are through pipe connection crystallizer (24), the avris of crystallizer (24) is connected with crystallization solid-liquid separator (25), crystallization solid-liquid separator (25) are connected with evaporimeter (23) through five (26) water pumps.