Dialysis device for wastewater treatment

Abstract

The utility model relates to the technical field of water treatment, in particular to a dialysis device for wastewater treatment, which comprises an assembly seat, at least one group of diffusion dialysis units, a liquid distribution plate and a temperature distribution part, the diffusion dialysis units are equidistantly arranged in the assembly seat, the liquid distribution plate is connected with the diffusion dialysis units, and the temperature distribution part is connected with the assembly seat. And the temperature distribution part is arranged on the diffusion dialysis unit. By means of the assembly composed of the assembly base, the diffusion dialysis unit, the liquid preparation plate and the temperature preparation part, treatment of waste water containing waste alkali liquid is achieved, a dialysis mechanism is provided, the diffusion rate of ions in the waste alkali liquid is increased by increasing the temperature in the diffusion dialysis unit and increasing the thermal movement speed of molecules, the ions are helped to pass through an ion exchange membrane more quickly, and the ion exchange efficiency is improved. The diffusion dialysis efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to water treatment technical field, concretely relates to a dialysis device for wastewater treatment. BACKGROUND

[0002] At present, a large amount of wastewater containing lye is produced in photovoltaic, metal surface processing, papermaking, printing and dyeing, and metallurgical industry, if the alkaline waste liquid is directly discharged into surface water without treatment, the self-purification of water body will be weakened, and the growth of aquatic plants and animals will be harmed, if the alkaline waste liquid permeates into the ground, the salinity of the soil will be increased, the soil structure will be damaged, and the growth of plants will be affected, if the alkaline waste liquid is discharged into the sewer, the sewer pipeline and channel will be corroded.

[0003] The existing dialysis treatment mechanism for waste liquid containing waste lye has low molecular motion speed, limited diffusion rate of ions in the waste lye, and slow ion exchange membrane, which affects the efficiency of diffusion dialysis, therefore, the dialysis device for wastewater treatment is provided to provide a mechanism for recycling sodium hydroxide in waste lye, effectively separate and purify sodium hydroxide and other substances in the waste lye, so as to realize recycling and reuse of resources, overcome the shortcomings of large energy consumption and serious pollution of the traditional method, and have good environmental protection. SUMMARY

[0004] In view of the problems in the prior art, the dialysis device for wastewater treatment is provided to provide a mechanism for recycling sodium hydroxide in waste lye, effectively separate and purify sodium hydroxide and other substances in the waste lye, so as to realize recycling and reuse of resources, overcome the shortcomings of large energy consumption and serious pollution of the traditional method, and have good environmental protection.

[0005] The technical scheme adopted by the utility model to solve the technical problem is a dialysis device for wastewater treatment, which comprises an assembly seat, a diffusion dialysis unit, a liquid preparation plate and a temperature preparation part, the diffusion dialysis unit is provided with at least one group, and is arranged at equal distances in the assembly seat, the liquid preparation plate is connected with the diffusion dialysis unit, and the temperature preparation part is arranged on the diffusion dialysis unit.

[0006] By adopting the above technical scheme, the assembly composed of the assembly seat, the diffusion dialysis unit, the liquid preparation plate and the temperature preparation part realizes wastewater treatment containing waste lye, provides a dialysis mechanism, increases the thermal motion speed of molecules by increasing the temperature in the diffusion dialysis unit, and further increases the diffusion rate of ions in the waste lye, so that the ions can pass through the ion exchange membrane faster, and the efficiency of diffusion dialysis is improved.

[0007] Specific, the diffusion dialysis unit includes flow liquid plate, reinforcing plate, dialysate chamber, diffusion liquid chamber and ion exchange membrane, the reinforcing plate is connected to the outer periphery of flow liquid plate, the dialysate chamber is located in the center of flow liquid plate, the diffusion liquid chamber is located in the center of flow liquid plate, and the ion exchange membrane is arranged between dialysate chamber and diffusion liquid chamber.

[0008] By adopting the technical scheme, the ion exchange membrane in the diffusion dialysis unit is used as a separation membrane, the concentration gradient of the solution on both sides of the ion exchange membrane is used as a mass transfer driving force, and solute spontaneously diffuses from the high-concentration solution to the low-concentration solution through the membrane under the driving of the concentration difference of the solution on both sides of the membrane.

[0009] Specifically, the dialysate chamber and the diffusion liquid chamber are alternately arranged.

[0010] Specifically, the temperature matching part includes an overflow chamber, a spacer, a hot water inlet and a hot water outlet, the overflow chamber is arranged in the inner cavity of the reinforcing plate, the spacer is arranged at least in one group and is arranged alternately in the overflow chamber, the hot water inlet is arranged at the top of the reinforcing plate, and the hot water outlet is arranged at the bottom of the reinforcing plate.

[0011] By adopting the technical scheme, the temperature matching part is used to increase the temperature in the diffusion dialysis unit, the molecular thermal motion speed is increased, the diffusion rate of ions in the waste lye is further increased, the ions pass through the ion exchange membrane faster, and the efficiency of diffusion dialysis is improved.

[0012] Specifically, the length of the spacer is less than the width of the overflow chamber, and the overflow channel is formed between the spacers.

[0013] Specifically, the assembly seat includes a base, a pressing plate and an oil cylinder, the pressing plate is arranged at both ends in the base, at least one group of oil cylinders are arranged and fixed at both ends of the base, and the output end of the oil cylinder is connected with the pressing plate.

[0014] By adopting the technical scheme, the assembly seat is used to provide mounting support for the diffusion dialysis unit.

[0015] The beneficial effects of the utility model are as follows: the assembly composed of the assembly seat, the diffusion dialysis unit, the liquid preparation plate and the temperature matching part realizes the treatment of waste water containing waste lye, provides a set of dialysis mechanism, increases the molecular thermal motion speed by increasing the temperature in the diffusion dialysis unit, further increases the diffusion rate of ions in the waste lye, helps the ions to pass through the ion exchange membrane faster, improves the efficiency of diffusion dialysis, solves the problems of low molecular motion speed, limited diffusion rate of ions in the waste lye, slow passing through the ion exchange membrane and low diffusion dialysis efficiency of the existing dialysis treatment mechanism for waste liquid containing waste lye. BRIEF DESCRIPTION OF DRAWINGS

[0016] The utility model will be further described in connection with the drawings and examples.

[0017] Figure 1 It is an overall schematic diagram of the utility model;

[0018] Figure 2 This is a schematic diagram of the dialysate chamber of the present invention;

[0019] Figure 3 Schematic diagram of the diffusion liquid chamber of the present invention;

[0020] Figure 4 For the utility model Figure 4 Enlarged schematic diagram of point A in the middle.

[0021] In the figure: 1. Assembly seat; 101. Base; 102. Pressing plate; 103. Oil cylinder; 2. Diffusion dialysis unit; 201. Liquid flow plate; 202. Reinforcing plate; 203. Dialysis liquid chamber; 204. Diffusion liquid chamber; 205. Ion exchange membrane; 3. Liquid distribution plate; 4. Temperature distribution part; 401. Overflow chamber; 402. Spacer; 403. Overflow channel; 404. Hot water inlet; 405. Hot water outlet. DETAILED DESCRIPTION

[0022] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods.

[0023] In order to improve the efficiency of dialysis, Figures 1-4 As shown, the utility model describes a dialysis device for wastewater treatment, comprising an assembly seat 1, a diffusion dialysis unit 2, a liquid distribution plate 3 and a temperature distribution part 4, wherein at least one group of the diffusion dialysis units 2 is provided and arranged at equal distances along the assembly seat 1, the liquid distribution plate 3 is connected to the diffusion dialysis unit 2, and the temperature distribution part 4 is provided on the diffusion dialysis unit 2.

[0024] When in use, a dialysis mechanism is provided for treating wastewater containing waste alkali solution through the assembly seat 1, the diffusion dialysis unit 2, the liquid distribution plate 3 and the temperature distribution part 4. By increasing the temperature inside the diffusion dialysis unit, the thermal motion speed of the molecules is increased, thereby increasing the diffusion rate of ions in the waste alkali solution, helping the ions to pass through the ion exchange membrane faster, and improving the efficiency of the diffusion dialysis.

[0025] For diffusion dialysis, illustratively, Figures 1-4As shown, the utility model still include, the diffusion dialysis unit 2 includes flow liquid board 201, reinforcing plate 202, dialysate chamber 203, diffusion liquid chamber 204 and ion exchange membrane 205, reinforcing plate 202 is connected in flow liquid board 201 periphery, dialysate chamber 203 is located in flow liquid board 201 center, diffusion liquid chamber 204 is located in flow liquid board 201 center, ion exchange membrane 205 is set up between dialysate chamber 203 and diffusion liquid chamber 204.

[0026] When using, through ion exchange membrane in diffusion dialysis unit as separation membrane, with the concentration gradient of solution on both sides of ion exchange membrane as mass transfer driving force, under the driving of concentration difference of solution on both sides of membrane, solute spontaneously diffuses through membrane from high concentration solution to low concentration solution.

[0027] The utility model still include, dialysate chamber and diffusion liquid chamber between alternate arrangement.

[0028] The utility model still include, the temperature matching portion 4 includes overflow chamber 401, septum 402, hot water inlet 404 and hot water outlet 405, overflow chamber 401 sets up in reinforcing plate 202 inner chamber, septum 402 is provided with at least one group, and is along the staggered setting of overflow chamber 401 in, hot water inlet 404 sets up in reinforcing plate 202 top, hot water outlet 405 sets up in reinforcing plate 202 bottom.

[0029] When using, through temperature matching portion for the temperature increase of diffusion dialysis unit inside, the increase will increase the thermal motion speed of molecule, and then increase the diffusion rate of ion in waste lye, help ion to pass through ion exchange membrane faster, improve the efficiency of diffusion dialysis.

[0030] The utility model still include, septum length is less than overflow chamber width, overflow passage is formed between septum.

[0031] The utility model still include, the assembly seat 1 includes base 101, pressing plate 102 and oil cylinder 103, pressing plate 102 sets up in the both ends in base 101, oil cylinder 103 is provided with at least one group, and is fixed in the both ends of base 101, and the output end of oil cylinder 103 is connected with pressing plate 102.

[0032] When using, the wastewater containing waste lye needing to be handled is pumped to liquid dispensing plate 3, is sent into diffusion dialysis unit 2 by liquid dispensing plate 3, through ion exchange membrane 205 in diffusion dialysis unit 2 as separation membrane, with the concentration gradient of solution on both sides of ion exchange membrane 205 as mass transfer driving force, under the driving of concentration difference of solution on both sides of membrane, solute spontaneously diffuses through membrane from high concentration solution to low concentration solution, makes sodium hydroxide and other substances separate, obtains high concentration sodium hydroxide, and after collecting sodium hydroxide, recycling is used;

[0033] Before use, connect the heat supply pipeline in the work factory with the hot water inlet 404, connect the backwater pipeline in the factory with the hot water outlet 405, the heat supply pipeline can be a branch pipeline of any heat pipeline in the production line of the work factory such as photovoltaic, metal surface processing, papermaking, printing and dyeing, metallurgy, etc., make the hot water enter the overflow cavity 401 through the hot water inlet 404, then is discharged through the hot water outlet 405, heat the convection liquid plate 201, the temperature of the medium in the chamber in the convection liquid plate 201 is heated, the temperature rise will increase the thermal motion speed of the molecules, and then increase the diffusion rate of the ions in the waste lye, help the ions to pass through the ion exchange membrane 205 faster, improve the efficiency of diffusion dialysis.

[0034] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principle of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A dialysis device for wastewater treatment, characterized in that The assembly seat (1) comprises a diffusion dialysis unit (2), a liquid distribution plate (3) and a temperature distribution portion (4), wherein at least one group of the diffusion dialysis units (2) is provided and arranged at equal distances along the assembly seat (1), the liquid distribution plate (3) is connected to the diffusion dialysis unit (2), and the temperature distribution portion (4) is provided on the diffusion dialysis unit (2); The diffusion dialysis unit (2) comprises a liquid flow plate (201), a reinforcement plate (202), a dialysate chamber (203), a diffusion liquid chamber (204) and an ion exchange membrane (205); the reinforcement plate (202) is connected to the periphery of the liquid flow plate (201); the dialysate chamber (203) is located at the center of the liquid flow plate (201); the diffusion liquid chamber (204) is located at the center of the liquid flow plate (201); and the ion exchange membrane (205) is arranged between the dialysate chamber (203) and the diffusion liquid chamber (204); The temperature distribution portion (4) comprises an overflow chamber (401), a spacer (402), a hot water inlet (404) and a hot water outlet (405); the overflow chamber (401) is arranged in the inner cavity of the reinforcing plate (202); at least one group of spacers (402) is provided and staggered along the overflow chamber (401); the hot water inlet (404) is arranged at the top of the reinforcing plate (202); and the hot water outlet (405) is arranged at the bottom of the reinforcing plate (202).

2. A dialysis device for wastewater treatment according to claim 1, characterized in that: The dialysate chambers (203) and the diffusion liquid chambers (204) are arranged alternately.

3. A dialysis device for wastewater treatment according to claim 2, characterized in that: The length of the spacers (402) is smaller than the width of the overflow cavity (401), and an overflow channel (403) is formed between the spacers (402).

4. A dialysis device for wastewater treatment according to claim 3, characterized in that: The assembly base (1) comprises a base (101), a pressing plate (102) and an oil cylinder (103), wherein the pressing plate (102) is arranged at both ends of the base (101), and at least one group of oil cylinders (103) is provided and fixed at both ends of the base (101), and the output end of the oil cylinder (103) is connected to the pressing plate (102).

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