CN214496030U - Wastewater treatment and recycling system - Google Patents
Wastewater treatment and recycling system Download PDFInfo
- Publication number
- CN214496030U CN214496030U CN202120555014.5U CN202120555014U CN214496030U CN 214496030 U CN214496030 U CN 214496030U CN 202120555014 U CN202120555014 U CN 202120555014U CN 214496030 U CN214496030 U CN 214496030U
- Authority
- CN
- China
- Prior art keywords
- water
- wastewater treatment
- pipe
- way valve
- water separator
- 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
Images
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model relates to a wastewater treatment and recycling system, which is characterized by comprising an evaporation kettle, a water diversion unit and a wastewater treatment unit which are connected in sequence, wherein the water diversion unit comprises a water separator, and a movable organic matter recovery device is arranged in the water separator and is used for recovering organic matters in the water separator; and the water outlet pipeline of the wastewater treatment unit is connected with the first water distribution pipe of the evaporation kettle, the second water distribution pipe of the water distribution unit and the water inlet pipe of the wastewater treatment unit in parallel and respectively used for recycling the treated water outlet for wastewater salinity crystallization and/or recrystallization and purification treatment, electrocatalytic filler flushing and wastewater treatment filler regeneration in the evaporation kettle.
Description
Technical Field
The utility model belongs to the technical field of waste water treatment, concretely relates to waste water treatment and recycling system.
Background
Chemical industry is an important basic industry in China, and relates to important industries of the national civilians, including coal chemical industry, refining chemical industry, natural gas chemical industry, petrochemical industry, organic/inorganic chemical industry, fine chemical industry and the like. In the coal chemical industry, the discharged wastewater has large water volume, high turbidity, high chroma and high salinity, and organic matters which are difficult to degrade exist in the wastewater, so that the CODcr in the wastewater is high. How to realize the cooperative operation of wastewater treatment and organic matter convenient and fast recovery at the same time, so that chemical wastewater is treated and recycled, the environment pollution caused by wastewater is avoided, and the comprehensive utilization of resources is realized, and the method is a field which is always explored by technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
To high turbidity, high chroma, high salinity and have the chemical industry waste water of difficult degradation organic matter, the utility model provides a waste water treatment and recycling system to realize environmental protection processing and retrieval and utilization to chemical industry waste water.
The wastewater treatment and recycling system comprises an evaporation kettle, a water diversion unit and a wastewater treatment unit which are sequentially connected, wherein the water diversion unit comprises a water distributor, and a movable organic matter recovery device is arranged in the water distributor and used for recovering organic matter phases in the water distributor; and the water outlet pipeline of the wastewater treatment unit is connected with the first water distribution pipe of the evaporation kettle, the second water distribution pipe of the water distribution unit and the water inlet pipe of the wastewater treatment unit in parallel and respectively used for recycling the treated water outlet to the recrystallization and/or recrystallization and purification treatment of wastewater salt in the evaporation kettle, the washing of the electrocatalytic filler and the regeneration of the wastewater treatment filler.
Optionally, a first water distribution pipe is arranged at the upper part of the evaporation kettle, and the first water distribution pipe is connected with a water inlet of the evaporation kettle and supplies water for separating the salt crystals of the wastewater in the evaporation kettle; the top of the evaporation kettle is provided with a steam outlet, the steam outlet is connected with the water separator of the water separation unit through a pipeline, and steam generated by evaporating the waste water is input into the water separation unit.
Optionally, the evaporation kettle is provided with a first water return pipe, one end of the first water return pipe is connected with the water inlet of the evaporation kettle, and the other end of the first water return pipe is connected with the water outlet pipeline of the wastewater treatment unit, so that the treated water outlet is reused for wastewater salinity recrystallization and/or recrystallization and purification treatment water supply in the evaporation kettle.
Optionally, the water diversion unit comprises a water distributor, an organic matter recovery device and a condenser, wherein an outlet at the top of the water distributor is connected with the condenser through a pipeline, and the water distributor is internally provided with the movable organic matter recovery device.
Optionally, the organic matter recovery device comprises a siphon, a liquid suction port, a connecting device and a lifter, wherein one end of an inlet of the siphon is arranged on the inner wall of the water separator, and one end of an outlet of the siphon extends out of the water separator and is connected with the organic matter storage tank; the inlet of the siphon is communicated with the liquid suction port through a connecting device; the liquid suction port is arranged on the lifter, and the lifter is used for controlling the height of the liquid suction port in the water separator.
Optionally, the lifter comprises an electro-hydraulic push rod, a lifting frame and a positioning switch, the electro-hydraulic push rod is fixed on the outer side wall of the water separator, a plunger head of the electro-hydraulic push rod is connected with the lifting frame, the lifting frame penetrates through the top surface of the water separator and extends into the water separator, a liquid suction port is formed in the bottom of the lifting frame, and the liquid suction port is fixedly connected with the tail end of the connecting device; the positioning switch is fixed on the connecting frame, and the connecting frame is fixed on the outer side wall of the water distributor and is parallel to the moving direction of the plunger head of the electro-hydraulic push rod.
Further optionally, the positioning switch comprises an upper limiting block, a middle control limiting block and a lower limiting block, the middle control limiting block can move up and down on the connecting frame, and the plunger head is provided with a convex clamping plate at a position corresponding to the positioning switch.
The siphon pipe positioned outside the water separator is sequentially provided with the first control valve and the vacuum pump, namely the siphon pipe positioned outside the water separator is sequentially connected with the organic matter storage tank through the first control valve and the vacuum pump, the vacuum pump firstly pumps away air in the siphon pipe to form vacuum, then the first control valve under linkage control is opened, the vacuum pumping is stopped, and then the organic matter phase in the water separator is automatically pumped and discharged by utilizing the liquid siphon principle without additional power, so that the energy is saved, and the consumption is reduced.
The wastewater treatment unit comprises an electro-catalytic treatment device in the water separator and a secondary treatment device outside the water separator, optionally, the electro-catalytic treatment device comprises an electrode filler and an electric controller, the electrode filler is arranged at the lower part in the water separator, the electric controller is arranged outside the water separator and connected with a power supply, and the second water distribution pipe is arranged above the electrode filler.
Optionally, the water separator is provided with a second water return pipe, one end of the second water return pipe is connected with the second water distribution pipe, and the other end of the second water return pipe is connected with a water outlet pipeline of the wastewater treatment unit, so that the electrode filler of the water separator is washed, the conductivity of the electrode filler is improved, and the electrocatalytic oxidation treatment effect of the wastewater is further improved.
Optionally, the secondary treatment device comprises a decolorizing tank and an RO reverse osmosis device which are connected in sequence, a discharge port and a second control valve are arranged at the bottom of the water separator, the discharge port is connected with a water inlet pipe at the bottom of the decolorizing tank through a pipeline, and a plurality of layers of zeolite packing layers which are uniformly fixed and are tightly connected with the inner wall of the decolorizing tank are arranged in the decolorizing tank; and a water outlet pipeline of the RO reverse osmosis device, namely a water outlet pipeline of the wastewater treatment unit, is connected with the reclaimed water storage tank.
Further optionally, a first three-way valve is installed on a water inlet pipe of the decoloring tank, a first end of the first three-way valve is connected with a pipeline connected with the second control valve, and a second end of the first three-way valve is connected with a water inlet at the bottom of the decoloring tank through a circulating pump; the water outlet pipe of the decoloring tank is provided with a second three-way valve, the first end of the second three-way valve is connected with the water outlet pipe of the decoloring tank, the second end of the second three-way valve is connected with the third end of the first three-way valve, and the third end of the second three-way valve is connected with the RO reverse osmosis device.
And a circulating pipeline of the decoloring tank is formed by the first three-way valve, the second three-way valve and the circulating pump. The circulating pump is a rotor pump capable of rotating forwards and reversely, can change the conveying direction of water flow by controlling phase modulation through motor driving, is used for circularly adsorbing and decoloring to reduce the turbidity of waste water when the circulating pump operates forwards and reversely, and is used for recycling the outlet water of the RO reverse osmosis device to flush the zeolite packing layer for regeneration when the circulating pump operates reversely.
Optionally, a third three-way valve is arranged between the RO reverse osmosis device and the reclaimed water storage tank, a first end of the third three-way valve is connected with the RO reverse osmosis device, a second end of the third three-way valve is connected with the reclaimed water storage tank, a third end of the third three-way valve is respectively connected with a first water return pipe of the evaporation kettle, a second water return pipe of the water separator and a water inlet pipe of the decoloring tank through a recycling pipeline, a flow meter and a recycling valve which are arranged on a branch pipe and a branch pipe of the recycling pipeline, and the treated effluent is respectively reused for waste water salinity crystallization and/or recrystallization and purification treatment, electrocatalysis filler washing and waste water treatment filler regeneration in the evaporation kettle. When the chemical wastewater treatment recycling device intermittently operates, the effluent of the RO reverse osmosis device is recycled into the evaporation kettle, and recrystallization is performed at the moment, so that water and salt in the wastewater can be separated, and simultaneously the salt is purified; when the continuous production is carried out, the effluent is recycled to the evaporation kettle, the crystallization and purification in the evaporation process can be helped, and the crystallization and purification with better effect can be realized.
Waste water treatment and recycling system, can realize the processing and the retrieval and utilization to chemical industry waste water, in the condensation of evaporating chemical industry waste water divides the water treatment promptly, can carry out recovery processing to the organic pollutant in the waste water, carry out the electro-catalysis oxidation treatment to the aqueous phase in the waste water, realize that water diversion process and organic matter recovery processing and environmental protection processing process deal with in coordination in step. The effluent of the wastewater treatment unit can be reused for an evaporation kettle, a water separator and a decoloration tank, so that comprehensive utilization of resources is realized. The utility model discloses the practicality is strong, can avoid waste water polluted environment and can realize resource comprehensive utilization, has great popularization and application and worth.
In addition, the organic matter recovery device adopts a vacuum lifting siphon mode, saves energy, reduces consumption, is also suitable for the treatment of chemical wastewater under various reactions and working conditions,
drawings
FIG. 1 is a schematic structural diagram of the wastewater treatment and recycling system.
Fig. 2 is a schematic structural view of an organic matter recovery apparatus.
Fig. 3 is a schematic top view of an electrode fill.
Fig. 4 is a schematic structural view of the first water distribution pipe or the second water distribution pipe.
In the attached drawing, 1 is an evaporation kettle, 2 is a water separator, 3 is a condenser, 4 is a siphon, 5 is a first control valve, 6 is a vacuum pump, 7 is a flexible connecting pipe, 8 is a lifter, 9 is an electrode filler, 10 is an electric controller, 11 is a second control valve, 12 is a decoloring tank, 13 is a zeolite filler layer, 14 is a first three-way valve, 15 is a circulating pump, 16 is a second three-way valve, 17 is a booster pump, 18 is an RO reverse osmosis device, 19 is a third three-way valve, 20 is a recycling pipeline, 21 is a branch pipe, 22 is a flow meter, 23 is a recycling valve, 24 is a first water distribution pipe, 25 is a micropore, 26 is a reclaimed water storage tank, 27 is an electric hydraulic push rod, 28 is a lifting frame, 29 is a positioning switch, 30 is a plunger head, 31 is a connecting frame, 32 is a second water distribution pipe, 33 is a first water return pipe, 34 is a second water return pipe, 35 is a clamping plate, and 36 is a strip water suction pipe.
Detailed Description
The wastewater treatment and recycling system provided by the embodiment comprises an evaporation kettle 1, a water diversion unit and a wastewater treatment unit which are sequentially connected as shown in fig. 1, wherein the water diversion unit comprises a water diverter 2, and a movable organic matter recovery device is arranged in the water diverter 2 and is used for recovering organic matter phases in the water diverter 2; the wastewater treatment unit comprises an electro-catalytic treatment device in the water separator 2 and a secondary treatment device outside the water separator 2; the water outlet pipeline of the wastewater treatment unit is connected in parallel with the first water distribution pipe 24 of the evaporation kettle 1, the second water distribution pipe 32 of the water distribution unit and the water inlet pipe of the wastewater treatment unit, and the treated water outlet is respectively used for recycling the treated water for wastewater salinity crystallization and/or recrystallization and purification treatment, electrocatalytic filler flushing and wastewater treatment filler regeneration in the evaporation kettle 1.
Optionally, a first water distribution pipe 24 is arranged at the upper part of the evaporation kettle 1, and the first water distribution pipe 24 is connected with a water inlet of the evaporation kettle 1 and supplies water for salt crystallization and/or recrystallization and purification treatment of wastewater in the evaporation kettle 1; the top of the evaporation kettle 1 is provided with a steam outlet, the steam outlet is connected with the water separator 2 of the water separation unit through a pipeline, and steam generated by evaporating waste water is input into the water separation unit.
Optionally, the evaporation kettle 1 is provided with a first water return pipe 33, one end of the first water return pipe 33 is connected with the water inlet of the evaporation kettle 1, and the other end of the first water return pipe 33 is connected with the water outlet pipeline of the wastewater treatment unit, so that the treated outlet water is reused for wastewater salinity recrystallization, salinity separation and purification treatment in the evaporation kettle 1.
Optionally, the evaporation kettle 1 is a vacuum evaporation kettle, and a mechanical stirring device is arranged in the evaporation kettle 1, and further optionally, the mechanical stirring device is controlled by frequency conversion.
Optionally, the evaporation kettle 1 is provided with a temperature controller for controlling the heating temperature in the evaporation kettle 1.
Optionally, the water diversion unit comprises a water distributor 2, an organic matter recovery device and a condenser 3, the top outlet of the water distributor 2 is connected with the condenser 3 through a pipeline, and the water distributor 2 is internally provided with a movable organic matter recovery device.
Further optionally, the condenser 3 is a shell and tube condenser.
Optionally, the organic matter recovery device comprises a siphon 4, a liquid suction port, a connecting device and a lifter 8, wherein one end of an inlet of the siphon 4 is arranged on the inner wall of the water separator 2, and one end of an outlet of the siphon 4 extends out of the water separator 2 and is connected with the organic matter storage tank; the inlet of the siphon 4 is communicated with the liquid suction port through a connecting device; the liquid suction port is arranged on the lifter 8, and the lifter 8 is used for controlling the height of the liquid suction port in the water separator 2.
Optionally, the connecting device is a flexible connecting pipe 7, the flexible connecting pipe 7 is made of stainless steel, and the flexible connecting pipe 7 is arranged to ensure that an inlet of the siphon 4 can move up and down under the action of the lifter 8.
Optionally, the siphon 4 is arranged on the upper portion of the side wall of the water separator 2, and the siphon 4 is arranged on the upper portion of the side wall of the water separator 2 because the organic phase formed after condensation of the wastewater vapor is located on the water phase, so that the length of the flexible connecting pipe 7 is saved, and excessive unnecessary displacement of the lifter 8 is avoided.
In one embodiment, the siphon 4 is fixedly connected to the water separator 2, that is, the siphon 4 is fixed when connected to the position or height of the water separator 2, and the height position of the siphon 4 can be determined by theoretical calculation according to a specific reaction.
As an embodiment, the siphon 4 and the water separator 2 are movably connected, that is, the height of the lifting siphon 4 is changed according to the difference of the liquid level height of the organic phase, so that the method can be applied to the treatment of chemical wastewater under various reactions or various working conditions. Siphon 4 is swing joint mode with water knockout drum 2 the utility model discloses do not specifically prescribe a limit to, for example, set up the connector of a plurality of highly different on the lateral wall of water knockout drum 2, siphon 4 passes the connector and gets into water knockout drum 2, the connector department seals up the processing, avoids the interior liquid seepage of water knockout drum 2.
Optionally, as shown in fig. 2, the lifter 8 includes an electro-hydraulic push rod 27, a lifting frame 28 and a positioning switch 29, the electro-hydraulic push rod 27 is fixed on the outer side wall of the water separator 2, a plunger head 30 of the electro-hydraulic push rod 27 is connected to the lifting frame 28, the lifting frame 28 penetrates through the top surface of the water separator 2 and extends into the water separator 2, a liquid suction port is arranged at the bottom of the lifting frame 28, and the liquid suction port is fixedly connected to the tail end of the flexible connecting pipe 7; the positioning switch 29 is fixed on a connecting frame 31, and the connecting frame 31 is fixed on the outer side wall of the water separator 2 and is parallel to the moving direction of the plunger head 30 of the electro-hydraulic push rod 27.
When the device is used, the plunger head 30 of the electro-hydraulic push rod 27 moves up and down and drives the lifting frame 28 to move up and down synchronously, so that the liquid suction port moves up and down, the positioning switch 29 is used for controlling the moving distance of the plunger head 30, the siphon 4 provides attraction, organic matters in the water separator 2 sequentially pass through the liquid suction port, the flexible connecting pipe 7 and the siphon 4 and are input into an organic matter storage tank, the recovery of the organic matters in the water separator 2 is finished, and meanwhile, the residual water phase is convenient to be treated by the wastewater treatment unit.
Further optionally, the positioning switch 29 includes an upper limit block, a central control limit block and a lower limit block, the central control limit block can move up and down on the connecting frame 31, and the plunger head 30 is provided with a protruding clamping plate 35 at a position corresponding to the positioning switch 29.
When the plunger head 30 moves upwards under the action of the electro-hydraulic push rod 27, the lifting frame 28 and the liquid suction port are driven to move upwards together, and when the clamping plate 35 moves to the position of the upper limiting block, the clamping plate is blocked by the upper limiting block, so that the plunger head 30 does not move upwards any longer, and the maximum height of the lifting frame 28 is limited; when the plunger head 30 moves downwards under the action of the electro-hydraulic push rod 27, the lifting frame 28 and the liquid suction port are driven to move downwards together, and when the clamping plate 35 moves to the position of the lower limiting block, the clamping plate is blocked by the lower limiting block, so that the plunger head 30 does not move downwards any more, the lowest height of the lifting frame 28 in descending is limited, and the up-and-down moving distance of the lifting frame 28 and the liquid suction port is not more than the top surface and the bottom surface of the water separator 2; the positioning of the central control limiting block on the connecting frame 31 is reasonably adjusted according to the actual height of the organic phase in the water separator 2, when the clamping plate 35 of the plunger head 30 moves to the position of the central control limiting block, the plunger head 30 stops moving, and at the moment, the lifting frame 28 and the liquid suction port move to the position of the organic phase.
It is optional, the imbibition mouth is rectangular tubulose, and its length slightly is less than the width of water knockout drum 2 for the imbibition mouth accords with the two-phase interfacial shape of oil/water, and is further optional, imbibition mouth evenly distributed is on the long-strip lateral surface that absorbs water pipe 36 all around, hose connection pipe 7 connects the one end that is close to siphon 4 of the long-strip pipe 36 that absorbs water, and the bottom at hoisting frame 28 is fixed to the long-strip pipe 36 that absorbs water.
The shape of the lifting frame 28 is not particularly limited as long as the top end can be connected to the top end of the plunger head 30 and the bottom end can be connected to the liquid suction port. For example, the lifting frame 28 is cross-shaped, the top end of the lifting frame is connected with the top end of the plunger head 30, the bottom end of the lifting frame is connected with the liquid suction port or the elongated water suction pipe 36, and the middle cross beam is parallel to the elongated water suction pipe 36, so that the lifting frame 28 moves vertically in the water separator 2, and the liquid suction port or the elongated water suction pipe 36 is kept horizontal to better fit the interface of the two phases of oil/water.
The siphon 4 positioned outside the water separator 2 is sequentially provided with the first control valve 5 and the vacuum pump 6, namely the siphon 4 positioned outside the water separator 2 is sequentially connected with the organic matter storage tank through the first control valve 5 and the vacuum pump 6, the vacuum pump 6 pumps away air in the siphon 4 in advance to form vacuum, then the first control valve 5 under linkage control is opened, the vacuum pump 6 stops pumping vacuum, and then the organic matter in the water separator 2 is automatically pumped and discharged without extra power by utilizing the liquid siphon principle, so that the energy is saved, and the consumption is reduced.
The utility model discloses a waste water treatment and recycling system, aiming at the characteristics of chemical wastewater that the organic matter content is high, the salinity is high, the turbidity is high, utilize the evaporation treatment of evaporation kettle 1 under different temperature control, the organic matter that waste water and waste water carry is evaporated out, and through condenser 3 cooling condensation to water knockout drum 2 in; the siphon 4 extracts and collects the organic matter layer on the upper layer in the water separator 2, and then the organic matter layer can be recycled to a production workshop, wherein the siphon 4 moves the liquid suction port to the organic matter layer under the action of the lifter 8 according to the difference of the liquid level of the two-phase interface in the water separator 2, and the liquid suction port can be positioned in the organic matter layer or the two-phase interface. The recovery method is simple and efficient, and has low energy consumption.
The wastewater treatment unit comprises an electro-catalytic treatment device in the water separator 2 and a secondary treatment device outside the water separator 2, optionally, the electro-catalytic treatment device comprises an electrode filler 9 and an electric controller 10, the electrode filler 9 is arranged at the lower part in the water separator 2, the electric controller 10 is arranged outside the water separator 2 and connected with a power supply, and the second water distribution pipe 32 is arranged above the electrode filler 9.
After organic phases in the water separator 2 are sucked out and recovered by the siphon 4, residual water-phase wastewater at the lower part of the water separator 2 is powered on, and under the control of the electric controller 10 and under the electrocatalytic oxidation effect generated by electrifying the electrode filler 9, residual organic pollutants in the wastewater are oxidized and decomposed thoroughly.
Optionally, the water separator 2 is provided with a second water return pipe 34, one end of the second water return pipe 34 is connected to the second water distribution pipe 32, and the other end of the second water return pipe is connected to the water outlet pipeline of the wastewater treatment unit, so as to wash the electrode filler 9 of the water separator 2, improve the conductivity of the electrode filler, and further improve the electrocatalytic oxidation treatment effect of the wastewater.
Optionally, the electrode fillers 9 are distributed in parallel in a plate shape in the water distributor 2, the electrode fillers 9 are made of graphite, and the resistivity is less than 2.0 Ω · m. As a further alternative, as shown in fig. 3, the electrode filler 9 is uniformly distributed in a porous shape.
Optionally, the secondary treatment device comprises a decolorizing tank 12 and an RO reverse osmosis device 18 which are connected in sequence, a discharge port and a second control valve 11 are arranged at the bottom of the water separator 2, the discharge port is connected with a water inlet pipe at the bottom of the decolorizing tank 12 through a pipeline, and a plurality of layers of zeolite packing layers 13 which are uniformly fixed and are tightly connected with the inner wall of the decolorizing tank are arranged in the decolorizing tank 12; the water outlet line of the RO reverse osmosis unit 18, i.e. the water outlet line of the wastewater treatment unit, is connected to a reclaimed water storage tank 26.
Further optionally, a first three-way valve 14 is installed on a water inlet pipe of the decoloring tank 12, a first end of the first three-way valve 14 is connected to a pipeline connected to the second control valve 11, and a second end of the first three-way valve 14 is connected to a water inlet at the bottom of the decoloring tank 12 through a circulating pump 15; a second three-way valve 16 is arranged on a water outlet pipe of the decoloring tank 12, a first end of the second three-way valve 16 is connected with the water outlet pipe of the decoloring tank 12, a second end of the second three-way valve 16 is connected with a third end of the first three-way valve 14, and a third end of the second three-way valve 16 is connected with an RO reverse osmosis device 18.
A circulation line of the decoloring tank 12 is formed by the first three-way valve 14, the second three-way valve 16, and the circulation pump 15. The circulating pump 15 is a rotor pump capable of rotating forwards and backwards, the conveying direction of water flow can be changed by controlling phase modulation through motor driving, when the circulating pump 15 rotates forwards, the circulating pump is used for circularly adsorbing and decoloring to reduce the turbidity of waste water, and when the circulating pump 15 rotates backwards, the circulating pump is used for discharging water of the RO reverse osmosis device 18 to flush the zeolite packing layer 13 for regeneration.
Optionally, a booster pump 17 and a security filter are arranged between the second three-way valve 16 and the RO reverse osmosis device 18, and are used for security disposal of the RO reverse osmosis device when the quality of wastewater is poor.
Optionally, a third three-way valve 19 is arranged between the RO reverse osmosis device 18 and the recycled water storage tank 26, a first end of the third three-way valve 19 is connected to the RO reverse osmosis device 18, a second end of the third three-way valve 19 is connected to the recycled water storage tank 26, and a third end of the third three-way valve 19 is connected to the first water return pipe 33 of the evaporation kettle 1, the second water return pipe 34 of the water separator 2, and the water inlet pipe of the decoloring tank 12 through a recycling pipeline 20, a branch pipe 21 thereof, and a flow meter 22 and a recycling valve 23 mounted on the branch pipe.
Optionally, as shown in fig. 4, the first water distribution pipe 24 and the second water distribution pipe 32 are respectively and fixedly installed on the inner side walls of the evaporation kettle 1 and the water separator 2, and are both annular, the bottom surfaces of the first water distribution pipe 24 and the second water distribution pipe 32 are provided with micropores 25, and the pore diameter of each micropore 25 is 0.1-10 cm. Further preferably, the micropores 25 are sequentially distributed in a staggered manner according to different opening angles, for example, the included angles between two adjacent micropores 25 and the horizontal direction are 45 ° and 135 ° respectively, that is, two adjacent micropores 25 are distributed with water obliquely on both sides, and thus the micropores are repeatedly distributed.
In the wastewater treatment and recycling system of the utility model, after organic phase is recovered by the siphon 4, the water phase wastewater is treated by electrocatalytic oxidation in the water separator 2 and then is input into the decolorizing tank 12 for treatment, and under the action of the zeolite packing layer 13, the impurity pollutants in the wastewater are adsorbed, so that the turbidity and the chromaticity of the wastewater are reduced; the design of the circulating pump 15, the first three-way valve 14, the second three-way valve 16 and the related circulating pipelines can perform circulating decolorization treatment on the wastewater entering the decolorization tank 12 as required, so that the removal rate of turbidity and chromaticity of the wastewater is improved; and (3) treating the wastewater by using a reverse osmosis membrane in the RO reverse osmosis device 18, further removing ions and impurity pollutants in the wastewater by using the filtering and purifying effects of the reverse osmosis membrane, purifying the water quality, and achieving the water quality recycling standard of GB/T19923-2005 industrial water to realize the recycling of reclaimed water.
Claims (10)
1. A wastewater treatment and recycling system is characterized by comprising an evaporation kettle, a water diversion unit and a wastewater treatment unit which are sequentially connected, wherein the water diversion unit comprises a water separator, and a movable organic matter recovery device is arranged in the water separator and is used for recovering an organic matter phase in the water separator;
and the water outlet pipeline of the wastewater treatment unit is connected with the first water distribution pipe of the evaporation kettle, the second water distribution pipe of the water distribution unit and the water inlet pipe of the wastewater treatment unit in parallel and respectively used for recycling the treated water outlet for wastewater salinity crystallization and/or recrystallization and purification treatment, electrocatalytic filler flushing and wastewater treatment filler regeneration in the evaporation kettle.
2. The wastewater treatment and recycling system according to claim 1, wherein the upper portion of the evaporation kettle is provided with a first water distribution pipe, the first water distribution pipe is connected with the water inlet of the evaporation kettle and supplies water for salt crystallization and/or recrystallization and purification treatment of wastewater in the evaporation kettle;
a steam outlet is arranged at the top of the evaporation kettle and is connected with the water separator of the water separation unit through a pipeline, and steam evaporated by the wastewater is input into the water separation unit;
the evaporation kettle is provided with a first water return pipe, and one end of the first water return pipe is connected with a water inlet of the evaporation kettle.
3. The wastewater treatment and recycling system according to claim 2, wherein the water diversion unit comprises a water diverter, an organic matter recovery device and a condenser, wherein the top outlet of the water diverter is connected with the condenser through a pipeline, and the water diverter is provided with a movable organic matter recovery device;
the organic matter recovery device comprises a siphon, a liquid suction port, a connecting device and a lifter, wherein one end of an inlet of the siphon is arranged on the inner wall of the water separator and is communicated with the liquid suction port through the connecting device, and one end of an outlet of the siphon extends out of the water separator and is connected with the organic matter storage tank through a first control valve and a vacuum pump in sequence;
the liquid suction port is arranged on the lifter, and the lifter is used for controlling the height of the liquid suction port in the water separator.
4. The wastewater treatment and recycling system according to claim 3, wherein the lifter comprises an electro-hydraulic push rod, a lifting frame and a positioning switch, the electro-hydraulic push rod is fixed on the outer side wall of the water separator, a plunger head of the electro-hydraulic push rod is connected with the lifting frame, the lifting frame penetrates through the top surface of the water separator and extends into the water separator, a liquid suction port is arranged at the bottom of the lifting frame, and the liquid suction port is fixedly connected with the tail end of the connecting device;
the positioning switch is fixed on the connecting frame, and the connecting frame is fixed on the outer side wall of the water distributor and is parallel to the moving direction of the plunger head of the electro-hydraulic push rod.
5. The wastewater treatment and recycling system according to claim 4, wherein the positioning switch comprises an upper limiting block, a central limiting block and a lower limiting block, the central limiting block can move up and down on the connecting frame, and the plunger head is provided with a convex clamping plate at a position corresponding to the positioning switch.
6. The wastewater treatment and recycling system according to claim 2, wherein the wastewater treatment unit comprises an electro-catalytic treatment device in the water separator and a secondary treatment device outside the water separator;
the electro-catalytic treatment device comprises electrode filler and an electric controller, the electrode filler is arranged at the lower part in the water separator, the electric controller is arranged outside the water separator and connected with a power supply, and the second water distribution pipe is arranged above the electrode filler;
the water separator is provided with a second water return pipe, and one end of the second water return pipe is connected with a second water distribution pipe.
7. The wastewater treatment and recycling system according to claim 6, wherein the secondary treatment device comprises a decolorizing tank and an RO reverse osmosis device which are connected in sequence, a discharge port and a second control valve are arranged at the bottom of the water separator, the discharge port is connected with a water inlet pipe at the bottom of the decolorizing tank through a pipeline, and a plurality of layers of zeolite packing layers which are uniformly fixed and are tightly connected with the inner wall of the decolorizing tank are arranged in the decolorizing tank;
the water outlet pipeline of the RO reverse osmosis device is connected with a reclaimed water storage pool.
8. The wastewater treatment and recycling system according to claim 7, wherein a first three-way valve is installed on the water inlet pipe of the decolorizing tank, a first end of the first three-way valve is connected with a pipeline connected with the second control valve, and a second end of the first three-way valve is connected with a water inlet at the bottom of the decolorizing tank through a circulating pump; the circulating pump is a rotor pump capable of rotating forwards and reversely.
9. The wastewater treatment and recycling system according to claim 8, wherein a second three-way valve is installed on the water outlet pipe of the decolorizing tank, a first end of the second three-way valve is connected to the water outlet pipe of the decolorizing tank, a second end of the second three-way valve is connected to a third end of the first three-way valve, and a third end of the second three-way valve is connected to the RO reverse osmosis device.
10. The wastewater treatment and recycling system according to claim 9, wherein a third three-way valve is disposed between the RO reverse osmosis device and the recycled water storage tank, a first end of the third three-way valve is connected to the RO reverse osmosis device, a second end of the third three-way valve is connected to the recycled water storage tank, and a third end of the third three-way valve is connected to the first water return pipe of the evaporation kettle, the second water return pipe of the water separator, and the water inlet pipe of the decoloring tank through a recycling pipe, a flow meter and a recycling valve installed on a branch pipe and a branch pipe thereof, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120555014.5U CN214496030U (en) | 2021-03-18 | 2021-03-18 | Wastewater treatment and recycling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120555014.5U CN214496030U (en) | 2021-03-18 | 2021-03-18 | Wastewater treatment and recycling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214496030U true CN214496030U (en) | 2021-10-26 |
Family
ID=78198952
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120555014.5U Active CN214496030U (en) | 2021-03-18 | 2021-03-18 | Wastewater treatment and recycling system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214496030U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113023994A (en) * | 2021-03-18 | 2021-06-25 | 河南绿水青山环保科技有限公司 | Chemical wastewater treatment and recycling device |
-
2021
- 2021-03-18 CN CN202120555014.5U patent/CN214496030U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113023994A (en) * | 2021-03-18 | 2021-06-25 | 河南绿水青山环保科技有限公司 | Chemical wastewater treatment and recycling device |
| CN113023994B (en) * | 2021-03-18 | 2024-04-26 | 河南绿水青山环保科技有限公司 | Chemical wastewater treatment and recycling device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105692817B (en) | A kind of compound membrane separating method suitable for sewage desalination reuse | |
| CN109731905B (en) | Autonomous controllable electric acidification dissociation device and method for soil or substrate sludge pollutants | |
| CN108394960A (en) | A kind of electrochemical cathode micro-filtration membrane coupled reactor suitable for source water pollutant removal | |
| CN105439342A (en) | Modular processing system of chemical packing bucket cleaning wastewater | |
| CN214496030U (en) | Wastewater treatment and recycling system | |
| CN110776204A (en) | Photovoltaic solar energy driven buried integrated town sewage treatment device | |
| CN101891331B (en) | Integrated treatment device for active carbon adsorption and electrochemical regeneration and use method thereof | |
| CN201882988U (en) | Treatment and recycling system for chemical chlor-alkali waste water | |
| CN103214056A (en) | Method for reverse osmosis concentrated water by adsorption-regeneration circular treatment | |
| CN204958681U (en) | Sewage treatment device | |
| CN201261741Y (en) | Intelligent variable frequency rotating self-cleaning low pollution membrane bioreactor | |
| CN203507829U (en) | Dielectrophoresis forward-osmosis flat permeable membrane assembly | |
| CN214060100U (en) | Novel reverse osmosis of high rate of recovery device | |
| CN107739077A (en) | Macroporous absorbent resin regeneration liquid waste alkali recovery process device and method | |
| CN204981457U (en) | Coal chemical wastewater preprocessing device | |
| CN2707358Y (en) | Electrodialysis desalination apparatus for glycine solution | |
| CN113023994A (en) | Chemical wastewater treatment and recycling device | |
| CN209866960U (en) | Autonomous controllable soil or sediment pollutant electric acidification dissociation device | |
| CN202322514U (en) | Oil-containing wastewater treatment device | |
| CN111892206A (en) | Power plant wastewater treatment system | |
| CN206359357U (en) | A kind of Catalyst sewage zero-discharge treatment system | |
| CN205222925U (en) | Full -automatic ultraviolet oxidation treatment control system of industry sewage | |
| CN221267134U (en) | Multifunctional membrane concentration and dehydration device | |
| CN204958660U (en) | Protection of water resources waste water treatment recycles device | |
| CN206970371U (en) | A kind of casing processes sewage-treatment plant |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |