Multistage reverse osmosis membrane device for concentrating high-concentration ammonium chloride wastewater

Abstract

The utility model discloses a multi-stage reverse osmosis membrane device for concentrating high-concentration ammonium chloride wastewater, which belongs to the technical field of wastewater treatment, and adopts the technical scheme that the multi-stage reverse osmosis membrane device comprises a sedimentation tank, a spraying assembly is fixedly connected in the sedimentation tank, and a filtering assembly is fixedly connected to the right side of the sedimentation tank; the problems that an existing multi-stage reverse osmosis membrane device is inconvenient to preliminarily filter ammonium chloride waste water, in the actual treatment process, high-concentration ammonium chloride waste water is complex in component and contains a large amount of suspended solids, colloids, impurity particles and the like, and due to the lack of an effective preliminary filtering structure, a reverse osmosis membrane is prone to facing a larger pollution risk, and waste water is polluted are solved. Meanwhile, suspended matters and impurity particles are easy to block micropores of the reverse osmosis membrane, colloids and greasy dirt can be attached to the surface of the membrane to form a dirt layer difficult to clean, the filtering efficiency of the reverse osmosis membrane is reduced, the aging and damage of the membrane can be accelerated, the treatment effect on the high-concentration ammonium chloride wastewater is seriously influenced, and the practicability of the device is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to wastewater treatment technical field especially relates to a high concentration ammonium chloride wastewater concentration multistage reverse osmosis membrane device. BACKGROUND

[0002] In numerous industrial processes such as chemical production, smelting separation, a large amount of wastewater containing ammonium chloride will be produced, if ammonium chloride wastewater is directly discharged, ammonia nitrogen will consume the dissolved oxygen in the water body, accelerate the eutrophication process of the water body, and under the action of microorganisms, it is converted into nitrate nitrogen and nitrite nitrogen, which has toxic effects on the human body, at the same time, a large amount of discharged ammonium chloride will bring adverse effects on the soil chloride ion concentration and pH value.

[0003] The existing multistage reverse osmosis membrane device has room for improvement in fixing efficiency when fixing the reverse osmosis membrane, cannot realize the release of the reverse osmosis membrane after opening the installation shell of the reverse osmosis membrane through structural improvement, and is easy to damage the reverse osmosis membrane under the impact of the impact force when the liquid contacts the reverse osmosis membrane.

[0004] The existing patent (publication number: CN221673908U) discloses a reverse osmosis membrane device, which can automatically realize the fixation of the reverse osmosis membrane through the compression of the compression seat and the fixing seat when the cover plate is closed, without the need for separate fixation of the reverse osmosis membrane, improving the replacement efficiency of the reverse osmosis membrane, and through the setting of the ball, the liquid can be blocked, reducing the impact of the liquid on the reverse osmosis membrane, and ensuring the service life of the reverse osmosis membrane.

[0005] In view of the above problems, the existing patent provides a solution, but it is not convenient for preliminary filtration of ammonium chloride wastewater, in the actual treatment process, the high concentration ammonium chloride wastewater has complex composition, contains a large amount of suspended solids, colloids, impurity particles and the like, due to the lack of effective preliminary filtration structure, it is easy to cause the reverse osmosis membrane to face greater pollution risk, at the same time, the suspended solids and impurity particles are easy to block the micropores of the reverse osmosis membrane, the colloids and oil stains are easy to adhere to the membrane surface, forming a difficult-to-clean dirt layer, not only reducing the filtration efficiency of the reverse osmosis membrane, but also accelerating the aging and damage of the membrane, seriously affecting the treatment effect of the high concentration ammonium chloride wastewater, and reducing the practicability of the device.

[0006] Therefore, a high concentration ammonium chloride wastewater concentration multistage reverse osmosis membrane device is proposed. Utility model content

[0007] The utility model discloses a purpose lies in, provide a kind of high concentration ammonium chloride wastewater concentration multistage reverse osmosis membrane device, can solve the multistage reverse osmosis membrane device of existing high concentration ammonium chloride wastewater is not convenient to carry out preliminary filtration, in actual treatment process, high concentration ammonium chloride wastewater composition is complex, contains a large amount of suspended solids, colloid, impurity particle etc., due to lack of effective preliminary filtration structure, it is easy to cause reverse osmosis membrane to face greater pollution risk, suspended solids and impurity particle are easy to block the micropore of reverse osmosis membrane, colloid and oil stain can be attached to membrane surface, form difficult to clean dirt layer, not only reduce the filtration efficiency of reverse osmosis membrane, also can accelerate the aging and damage of membrane, seriously affect the treatment effect of high concentration ammonium chloride wastewater, reduce the practicability of the device.

[0008] To realize the above-mentioned purpose, the utility model provides the following technical scheme: a kind of high concentration ammonium chloride wastewater concentration multistage reverse osmosis membrane device, including sedimentation tank, the inside fixedly connected of sedimentation tank is provided with spray assembly, and the right side fixedly connected of sedimentation tank is provided with filter component, the filter component includes storage tank, the top of storage tank is movably connected with top cover plate, and the bottom of storage tank right side is fixedly connected with discharge pipe;

[0009] The spray assembly includes storage cylinder, the left side fixedly connected of storage cylinder is provided with infusion tube, and the surface of storage cylinder is provided with several spray heads, the side fixedly connected of infusion tube away from storage cylinder is provided with infusion pump, and the other end of infusion pump is fixedly connected with liquid storage tank.

[0010] Preferably, the top of the top cover plate is fixedly connected with a connecting hose, the other end of the connecting hose is fixedly connected with a delivery pump, and the side of the delivery pump away from the connecting hose is fixedly connected with the sedimentation tank, the bottom of the top cover plate is fixedly connected with a connecting pipe, and the inside of the connecting pipe is fixedly connected with several filter membranes.

[0011] Preferably, the number of filter membranes is three, arranged in the connecting pipe in a stacked manner, and the filtration accuracy of the filter membranes increases from top to bottom.

[0012] Preferably, both sides of the top of the storage tank are fixedly connected with positioning plates, and the top of each positioning plate is rotatably connected with a buckle block, the top cover plate is movably connected to the surface of the positioning plate, and the side of the top cover plate close to the storage tank is fixedly connected with a rubber sealing gasket.

[0013] Preferably, the inside of the front side of the liquid storage tank is embedded with an observation glass, and the top of the liquid storage tank is fixedly connected with an inlet valve.

[0014] Preferably, the front side and the back side of the inner wall of the sedimentation tank are rotatably connected with stirring blades, and the side opposite to each stirring blade is fixedly connected with a rotating motor.

[0015] Preferably, the right side of the front side of the sedimentation tank is fixedly connected with a controller, and the controller is electrically connected with the spraying assembly and the filtering assembly.

[0016] Preferably, the side away from the storage tank of the discharge pipe is fixedly connected with a multi-stage reverse osmosis membrane group.

[0017] Compared with the prior art, the utility model has the advantages that:

[0018] 1、The filtering assembly is arranged, multi-stage filtering of the ammonium chloride wastewater can be carried out, the purity of the wastewater is improved, the top cover plate can be stably disassembled, the filtering membrane can be replaced conveniently, the filtering effect of the equipment is guaranteed, and the use convenience of the device is improved.

[0019] 2、The spraying assembly is arranged, chemical agents can be stably sprayed into the sedimentation tank, the chemical agents can be fully mixed and reacted with the ammonium chloride wastewater, impurities can be flocculated and precipitated, favorable conditions are created for efficient work of the subsequent filtering assembly, the service life of the filtering assembly is greatly prolonged, and the treatment effect of the ammonium chloride wastewater is improved. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a whole structure diagram of the multi-stage reverse osmosis membrane device for high-concentration ammonium chloride wastewater concentration.

[0021] Figure 2 It is a top view of the multi-stage reverse osmosis membrane device for high-concentration ammonium chloride wastewater concentration.

[0022] Figure 3 It is a structure schematic view of the sedimentation tank.

[0023] Figure 4 It is a structure schematic view of the filtering assembly.

[0024] Figure 5 It is a structure schematic view of the spraying assembly.

[0025] In the drawing, 1 is a sedimentation tank, 2 is a spraying assembly, 201 is a storage cylinder, 202 is a liquid delivery pipe, 203 is a spray head, 204 is a liquid delivery pump, 205 is a liquid storage tank, 3 is a filtering assembly, 301 is a storage tank, 302 is a top cover plate, 303 is a discharge pipe, 304 is a connecting hose, 305 is a conveying pump, 306 is a connecting pipe, 307 is a filtering membrane, 4 is a positioning plate, 5 is a buckle block, 6 is a rubber sealing gasket, 7 is an observation glass, 8 is an inlet valve, 9 is a stirring blade, 10 is a rotating motor, 11 is a controller, 12 is a detector, and 13 is a multi-stage reverse osmosis membrane group. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be apparently and completely described in connection with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of the utility model.

[0027] Please refer to Figures 1-5 The utility model provides technical schemes:

[0028] A kind of high concentration ammonium chloride wastewater concentration multistage reverse osmosis membrane device, including sedimentation tank 1, the inside fixed connection of sedimentation tank 1 is equipped with spraying assembly 2, and the right side fixed connection of sedimentation tank 1 is equipped with filter assembly 3, filter assembly 3 includes storage tank 301, the top movable joint of storage tank 301 is equipped with top cover plate 302, and the bottom fixed connection of storage tank 301 right side is equipped with discharge pipe 303;

[0029] Spraying assembly 2 includes storage cylinder 201, the left side fixed connection of storage cylinder 201 is equipped with infusion tube 202, and the surface of storage cylinder 201 is provided with several spray heads 203, infusion tube 202 is fixedly connected with infusion pump 204 on the side away from storage cylinder 201, and infusion pump 204 is fixedly connected with liquid storage tank 205 on the other end.

[0030] In the embodiment: by the cooperation of infusion pump 204 and infusion tube 202, the chemical reagent in the inside of liquid storage tank 205 is smoothly flowed into the inside of storage cylinder 201, under the action of spray head 203, the chemical reagent in the inside of storage cylinder 201 can be evenly sprayed on the surface of ammonium chloride wastewater, to promote impurity flocculation and precipitation, create favorable conditions for the efficient work of subsequent filter assembly 3, greatly prolong the service life of filter assembly 3, improve the treatment effect of ammonium chloride wastewater, then by the cooperation of conveying pump 305 and connecting hose 304, the wastewater in sedimentation tank 1 is smoothly flowed into storage tank 301 through connecting pipe 306, under the action of three filter membranes 307, ammonium chloride wastewater can be filtered in multiple stages, improve the purity of wastewater, finally the filtered wastewater is discharged through discharge pipe 303 for subsequent treatment, improve the convenience of filter assembly 3.

[0031] Specifically, as Figure 4 Indicated, the top of top cover plate 302 is fixedly connected with connecting hose 304, the other end of connecting hose 304 is fixedly connected with conveying pump 305, and conveying pump 305 is fixedly connected with sedimentation tank 1 on the side away from connecting hose 304, the bottom of top cover plate 302 is fixedly connected with connecting pipe 306, and several filter membranes 307 are fixedly connected in the inside of connecting pipe 306.

[0032] Specifically, as shown in Figure 4 The number of filter membranes 307 is three and arranged in a stack in the connecting pipe 306, and the filtration accuracy of the filter membranes 307 increases from top to bottom.

[0033] Specifically, as shown in Figure 4 The top of the storage tank 301 is fixedly connected with positioning plates 4 on both sides, and the top of the positioning plate 4 is rotatably connected with buckle blocks 5. The top cover plate 302 is movably connected to the surface of the positioning plate 4, and the side of the top cover plate 302 close to the storage tank 301 is fixedly connected with rubber gaskets 6.

[0034] In this embodiment: through the action of the three filter membranes 307, when the wastewater flows through the filter membranes 307, the ammonium chloride wastewater can be multi-stage filtered, improving the purity of the wastewater. At the same time, under the action of the positioning plate 4, the top cover plate 302 can move smoothly under the limitation of the positioning plate 4, so that the top cover plate 302 moves to the appropriate position, realizing the loading and unloading of the top cover plate 302, thereby facilitating the replacement of the filter membrane 307, improving the convenience of use of the filter assembly 3. Then under the action of the buckle block 5, the buckle block 5 can clamp the top cover plate 302, and under the action of the rubber gasket 6, it can fill the gap between the top cover plate 302 and the storage tank 301, avoiding the phenomenon of wastewater leakage, improving the stability of the use of the filter assembly 3.

[0035] Specifically, as shown in Figure 1 , Figure 5 The front side of the liquid storage tank 205 is embedded with an observation glass 7, and the top of the liquid storage tank 205 is fixedly connected with an inlet valve 8.

[0036] Specifically, as shown in Figure 1 , Figure 2 , Figure 3 The front side and the rear side of the inner wall of the sedimentation tank 1 are rotatably connected with stirring blades 9, and the opposite sides of the two stirring blades 9 are fixedly connected with rotating motors 10.

[0037] In this embodiment: through the cooperation of the observation glass 7 and the inlet valve 8, not only can the inside of the liquid storage tank 205 be observed in real time, but also the chemical agent can be added in time when it is insufficient, ensuring the normal use of the spraying assembly 2. At the same time, under the action of the rotating motor 10, the stirring blade 9 can rotate smoothly, which can smoothly drive the ammonium chloride wastewater in the sedimentation tank 1 to flow, realize the full mixing reaction of the ammonium chloride wastewater and the chemical agent, and promote the flocculation and precipitation of impurities, creating favorable conditions for the efficient work of the subsequent filter assembly 3, improving the convenience of use of the spraying assembly 2.

[0038] Specifically, as shown in Figure 2 , Figure 3As shown, a controller 11 is fixedly connected to the right side of the front side of the sedimentation tank 1, and the controller 11 is electrically connected to the spraying assembly 2 and the filter assembly 3. A detector 12 is fixedly connected to the front side of the left side of the inner wall of the sedimentation tank 1, and the detector 12 is electrically connected to the controller 11.

[0039] Specifically, such as Figure 1 , Figure 2 As shown, a multi-stage reverse osmosis membrane module 13 is fixedly connected to the side of the discharge pipe 303 away from the storage tank 301.

[0040] In this embodiment: the detector 12 can detect the condition of ammonium chloride wastewater in the sedimentation tank 1 and transmit the data to the controller 11. Under the control of the controller 11, the spraying component 2 and the filtration component 3 can be precisely controlled according to the data fed back by the detector 12. This not only sprays chemical agents into the sedimentation tank 1 to promote the flocculation and sedimentation of impurities in the ammonium chloride wastewater, but also, after the initial filtration is completed, the transfer pump 305 can be started to transport the initially filtered ammonium chloride wastewater to the storage tank 301. Under the action of the three filter membranes 307, multi-stage filtration of ammonium chloride wastewater is achieved, improving the treatment efficiency of ammonium chloride wastewater. Then, under the action of the multi-stage reverse osmosis membrane group 13, the filtered ammonium chloride wastewater can be filtered again, so that solutes such as ammonium chloride are intercepted and the water is discharged steadily, realizing the concentration of wastewater, which is convenient for subsequent treatment and improves the ease of use of the device.

[0041] Working principle: when purifying the ammonium chloride wastewater, first put the ammonium chloride wastewater into the sedimentation tank 1, then detect the ammonium chloride wastewater in the sedimentation tank 1 under the action of the detector 12, and transmit the data to the controller 11, the controller 11 can display the data in real time, so that the operator can master the ammonium chloride wastewater in time, and accurately control the spraying assembly 2 and the filtering assembly 3, after the preparation work is completed, start the infusion pump 204, make the chemical reagent in the liquid storage tank 205 flow into the storage cylinder 201 stably, then spray the chemical reagent in the storage cylinder 201 on the surface of the ammonium chloride wastewater through the spray head 203, start the rotating motor 10 at the same time, drive the stirring blade 9 to rotate, stably drive the ammonium chloride wastewater in the sedimentation tank 1 to flow, realize the ammonium chloride wastewater and the chemical reagent to mix and react fully, promote the impurities to flocculate and precipitate, create favorable conditions for the efficient work of the subsequent filtering assembly 3, when the preliminary filtration is completed, start the conveying pump 305, make the wastewater after preliminary filtration flow into the storage tank 301 through the connecting pipe 306 stably, under the action of the three filter membranes 307, the ammonium chloride wastewater can be filtered in multiple stages, the purity of the wastewater is improved, finally the filtered wastewater is discharged into the multi-stage reverse osmosis membrane group 13 through the discharge pipe 303, for subsequent treatment, so that the solute such as ammonium chloride is intercepted and discharged stably, realize the concentration of the wastewater, facilitate the subsequent treatment, when the filter membrane 307 needs to be replaced, rotate the buckle block 5 to unlock the top cover plate 302, so that the operator can stably take down the top cover plate 302 and replace the filter membrane 307, after replacement, reset the top cover plate 302, rotate the buckle block 5 to lock the top cover plate 302, ensure that the device returns to the normal operating state.

[0042] The above is only a preferred embodiment of the present application, and is not used to limit the present application, any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A multi-stage reverse osmosis membrane device for concentrating high-concentration ammonium chloride wastewater, comprising a sedimentation tank (1), characterized in that: The sedimentation tank (1) is fixedly connected to a spraying assembly (2), and a filter assembly (3) is fixedly connected to the right side of the sedimentation tank (1). The filter assembly (3) includes a storage tank (301), a top cover plate (302) is movably connected to the top of the storage tank (301), and a discharge pipe (303) is fixedly connected to the bottom of the right side of the storage tank (301). The spraying assembly (2) includes a storage cylinder (201), an infusion pipe (202) is fixedly connected to the left side of the storage cylinder (201), and a plurality of nozzles (203) are provided on the surface of the storage cylinder (201). An infusion pump (204) is fixedly connected to the side of the infusion pipe (202) away from the storage cylinder (201), and a storage tank (205) is fixedly connected to the other end of the infusion pump (204).

2. The multi-stage reverse osmosis membrane device for concentrating high-concentration ammonium chloride wastewater according to claim 1, characterized in that: A connecting hose (304) is fixedly connected to the top of the top cover plate (302), and a delivery pump (305) is fixedly connected to the other end of the connecting hose (304). The side of the delivery pump (305) away from the connecting hose (304) is fixedly connected to the sedimentation tank (1). A connecting pipe (306) is fixedly connected to the bottom of the top cover plate (302), and a plurality of filter membranes (307) are fixedly connected inside the connecting pipe (306).

3. The multi-stage reverse osmosis membrane device for concentrating high-concentration ammonium chloride wastewater according to claim 2, characterized in that: The number of filter membranes (307) is three, which are stacked in the connecting tube (306), and the filtration accuracy of the filter membranes (307) increases from top to bottom.

4. The multi-stage reverse osmosis membrane device for concentrating high-concentration ammonium chloride wastewater according to claim 1, characterized in that: Positioning plates (4) are fixedly connected to both sides of the top of the storage tank (301), and a snap block (5) is rotatably connected to the top of the positioning plate (4). The top cover (302) is movably connected to the surface of the positioning plate (4), and a rubber sealing gasket (6) is fixedly connected to the side of the top cover (302) near the storage tank (301).

5. The multi-stage reverse osmosis membrane device for concentrating high-concentration ammonium chloride wastewater according to claim 1, characterized in that: An observation glass (7) is embedded in the front of the liquid storage tank (205), and an inlet valve (8) is fixedly connected to the top of the liquid storage tank (205).

6. The multi-stage reverse osmosis membrane device for concentrating high-concentration ammonium chloride wastewater according to claim 1, characterized in that: The sedimentation tank (1) has stirring blades (9) rotatably connected to the front and rear sides of its inner wall, and rotating motors (10) are fixedly connected to opposite sides of the two stirring blades (9).

7. The multi-stage reverse osmosis membrane device for concentrating high-concentration ammonium chloride wastewater according to claim 1, characterized in that: A controller (11) is fixedly connected to the right side of the front side of the sedimentation tank (1), and the controller (11) is electrically connected to the spraying assembly (2) and the filter assembly (3). A detector (12) is fixedly connected to the front side of the left side of the inner wall of the sedimentation tank (1), and the detector (12) is electrically connected to the controller (11).

8. The multi-stage reverse osmosis membrane device for concentrating high-concentration ammonium chloride wastewater according to claim 1, characterized in that: The discharge pipe (303) is fixedly connected to a multi-stage reverse osmosis membrane module (13) on the side away from the storage tank (301).

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