CN115959792A - Industrial sewage treatment equipment - Google Patents

Abstract

The invention discloses industrial sewage treatment equipment, which belongs to the technical field of industrial sewage treatment equipment and comprises primary treatment equipment, low-temperature distillation equipment, membrane filtration equipment and secondary reverse osmosis equipment, wherein the primary treatment equipment, the low-temperature distillation equipment, the membrane filtration equipment and the secondary reverse osmosis equipment are sequentially connected through a water pipe, the low-temperature distillation equipment comprises a distillation box, a vacuum generator, a water tank and a supporting component, and the water tank is connected with the distillation box through a condensate pipe. The inside remaining particulate matter of distillation case is handled through the sliding bottom plate that sets up the slope at distillation bottom of the case end, is equipped with the desilting subassembly simultaneously and clears up remaining impurity on the distillation incasement wall, guarantees the inside cleanness of distillation incasement, has reduced the influence to follow-up sewage when improving purification efficiency, carries out the final treatment to sewage through second grade reverse osmosis equipment, can make sewage reach the living water mark vertebra.

Description

A kind of industrial sewage treatment equipment

technical field

The invention belongs to the technical field of industrial sewage treatment equipment, and in particular relates to an industrial sewage treatment equipment.

Background technique

Industrial wastewater includes production wastewater, production sewage and cooling water. It refers to wastewater and waste liquid produced in the process of industrial production, which contains industrial production materials, intermediate products, by-products and pollutants produced in the production process that are lost with water. There are many types of waste water with complex components. For example, electrolytic salt industrial waste water contains mercury, heavy metal smelting industrial waste water contains lead, cadmium and other metals, electroplating industrial waste water contains various heavy metals such as cyanide and chromium, and petroleum refining industrial waste water contains Phenol, pesticide manufacturing industrial wastewater contains various pesticides, etc. Since industrial wastewater often contains a variety of toxic substances, polluting the environment is very harmful to human health. Therefore, it is necessary to develop comprehensive utilization and turn harm into benefit. It belongs to the first set of national level. Scientific and technological research encourages the research and development of one of the projects of "Water Treatment and Reuse Equipment".

Chinese patent document CN112209514A discloses an energy-saving and environment-friendly industrial sewage treatment equipment, including a treatment box, two hanging plates are symmetrically fixed on the inner walls of the left and right side plates of the treatment box through fixed threaded seats, and a semicircular filter plate is fixed between the two hanging plates A positioning shaft is rotated and supported between two opposite fixed threaded seats, and a number of leaf plate assemblies are interlacedly fixed on the outside of the positioning shaft; a bracket is fixed on the outside of the top plate of the processing box, and a cleaning motor is fixed on the upper end of the bracket. The output end is connected with a rotating column, and the outer side of the rotating column is provided with a spiral miscellaneous groove, and the side plate of the bracket is fixed with a scraper. Although the invention can automatically process impurities in the process of sewage treatment, the device only uses physical treatment methods to treat sewage, without combining distillation technology and membrane filtration technology to treat sewage, and the sewage treatment efficiency is low and after treatment The sewage is far below the standard of domestic water, which is easy to cause pollution.

Contents of the invention

The purpose of the present invention is to provide an industrial sewage treatment equipment to solve the problems in the use process of the existing sewage treatment equipment proposed in the background art.

In order to achieve the above object, the present invention provides the following technical solutions: a kind of industrial sewage treatment equipment, including primary treatment equipment, low temperature distillation equipment, membrane filtration equipment and secondary reverse osmosis equipment, the primary treatment equipment, low temperature distillation equipment, membrane filtration The equipment and the secondary reverse osmosis equipment are sequentially connected through water pipes. The low-temperature distillation equipment includes a distillation tank, a vacuum generator, a water tank and a support assembly. The water tank is connected to the distillation tank through a condensate pipe, and the side wall of the distillation tank is set There is a heating assembly, the distillation box has an open bottom structure and the bottom surface is inclined at a certain angle, the bottom of the distillation box is slidably connected with a movable bottom plate, and a dredging component is arranged in the distillation box, and the dredging component includes a connecting plate and The power element that drives the movement of the connecting plate. The connecting plate is in the shape of a "ten" and there are scrapers fixedly connected around the connecting plate. connect.

Preferably, the power element is a hydraulic cylinder or an electric push rod.

Preferably, the support component is a support leg fixedly connected to the outer wall of the distillation box.

Preferably, the primary treatment equipment includes a treatment box and a filter box connected by water pipes, the top of the treatment box is provided with a sewage inlet and a feeding port, the treatment box is provided with a stirring assembly, and the inner wall of the filter box is fixedly connected with Multiple filters.

Preferably, the stirring assembly includes a rotating shaft, a helical stirring blade arranged on the rotating shaft, and a motor driving the rotating shaft to rotate.

Preferably, a water level gauge is provided inside the treatment tank, a controller electrically connected to the water level gauge is fixedly connected to the front end of the treatment tank, and a display screen is provided on the controller.

Preferably, the membrane filtration device includes a box body, which includes a water outlet, a hollow fiber membrane, and an air inlet pipe connected to one end of the hollow fiber membrane.

Preferably, the hollow fiber membrane is covered with biofilm.

Preferably, one end of the outer side of the scraper is fixedly connected with a scraper.

Preferably, the movable bottom plate is provided with a handle at the end away from the distillation box.

Compared with prior art, the beneficial effect of the present invention is:

1. By reducing the internal air pressure of the distillation box with the vacuum generator, the boiling point of the water in the distillation box is lowered, thereby reducing the energy consumption required for sewage treatment. At the same time, there is a dredging component in the distillation box to clean up the remaining impurities on the inner wall of the distillation box, so as to ensure the cleanliness inside the distillation box, improve the purification efficiency and reduce the impact on the subsequent sewage, and supply water to the shower through the water pump. Thereby increasing the output of distilled water.

2. By adding chemical reagents and magnetic powder into the treatment box, the purification effect of sewage is improved. At the same time, through the cooperation of water level gauge and controller, it is convenient for operators to grasp the amount of chemical reagents added, reducing waste and ensuring sewage purification effect.

3. Through primary treatment equipment, low-temperature distillation equipment, membrane filtration equipment and reverse osmosis membrane equipment, the hierarchical treatment of industrial sewage is realized, which improves the purification effect of sewage, reduces the energy consumption required for sewage purification, and makes it closer to the level of domestic water Standard cone, convenient for secondary utilization of sewage.

Description of drawings

Fig. 1 is the overall structure schematic diagram of the present invention;

Figure 2 is an enlarged view of A in Figure 1;

Fig. 3 is a structural schematic diagram 1 of the cryogenic distillation equipment of the present invention;

Fig. 4 is the structure schematic diagram II of the cryogenic distillation equipment of the present invention;

Fig. 5 is the structural representation of dredging assembly of the present invention;

Fig. 6 is a schematic diagram of the partial structure of the biofilm of the present invention.

In the figure: 1. Primary treatment equipment; 2. Low temperature distillation equipment; 3. Membrane filtration equipment; 4. Treatment box; 5. Filter box; 6. Stirring component; 7. Feeding port; 8. Water level gauge; 9. Controller ;10, display screen; 11, filter screen; 12, distillation box; 13, vacuum generator; 14, condensate pipe; 15, water tank; 16, movable floor; 17, handle; 18, dredging components; 19, power components ;20, connection plate; 21, scraper; 22, support assembly; 23, box body; 24, hollow fiber membrane; 25, air intake pipe; 26, biofilm; 29. Shower head.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

Please refer to Figures 1-6, the present invention provides a technical solution: a kind of industrial sewage treatment equipment, including primary treatment equipment 1, low temperature distillation equipment 2, membrane filtration equipment 3 and secondary reverse osmosis equipment 27, primary treatment equipment 1, The low-temperature distillation equipment 2, the membrane filtration equipment 3 and the secondary reverse osmosis equipment 27 are connected successively through water pipes. The low-temperature distillation equipment 2 includes a distillation box 12, a vacuum generator 13, a water tank 15 and a support assembly 22, and the water tank 15 passes through the condensation water pipe 14 and the distillation The tank 12 is connected, and the side wall of the distillation tank 12 is provided with a heating component. The bottom of the distillation tank 12 is an open structure and the bottom surface is inclined at a certain angle. The dredging assembly 18 includes a connecting plate 20 and a power element 19 that drives the connecting plate 20 to move. The connecting plate 20 is in the shape of a “ten” and is fixedly connected with scrapers 21 around the connecting plate 20 .

In this embodiment, the industrial sewage is treated step by step through the combination of the primary treatment equipment 1, the low-temperature distillation equipment 2 and the membrane filtration equipment 3, so that the industrial sewage can be effectively purified. The low-temperature distillation equipment 2 includes a distillation box 12, a vacuum generator 13, The water tank 15 and the support assembly 22 make the interior of the distillation tank 12 in a vacuum state through the vacuum generator 13, thereby reducing the boiling point of water. For example, when the air pressure in the distillation tank 12 is reduced to -90kpa, the boiling point of the water in the distillation tank 12 is reduced. to about 45 degrees, and the distillation box 12 is heated by the heating assembly on the side wall of the distillation box 12 at the same time. Finally flow in the water tank 15, the boiling point is higher than water and the water-insoluble solid matter just remains in the distillation tank 12, and the liquid that the boiling point is higher than water enters in the membrane filter device 3 through the liquid outlet that is positioned at the bottom of the distillation tank 12 sides, Carry out the next level of purification equipment. At the same time, since the bottom of the distillation box 12 is slidingly connected with the movable bottom plate 16, in order to pull the movable bottom plate 16, a handle 17 can be set at the end of the movable bottom plate 16 away from the distillation box 12, and the movement can be driven by pulling the handle 17. The bottom plate 16 moves, and when the sewage treatment is completed, the movable bottom plate 16 is opened to open the bottom of the distillation box 12, and the solid matter in the distillation box 12 flows out through the opening at the bottom of the distillation box 12, and at the same time, in order to remove the residue on the inner wall of the distillation box 12 Fixed matter is processed, and a dredging assembly 18 is added in the distillation box 12. The dredging assembly 18 includes a "meter"-shaped connecting plate 20 and a power element 19 that drives the movement of the connecting plate 20. The power element 19 can be a hydraulic cylinder or an electric cylinder. Push rod, connecting plate 20 is fixedly connected with scraper 21 around, and scraper 21 is in contact with the inner wall of distillation box 12, and under the action of power element 19, scraper 21 can carry out linear motion along the inner wall of distillation box 12, thereby The residue on the inner wall of the distillation box 12 is treated to ensure the cleanliness of the inside of the distillation box 12. At the same time, in order to enhance the cleaning power, a scraper can be added outside the scraper 21. At this time, the scraper contacts the inner wall of the distillation box 12 And the residue on the side wall is cleaned, and the distillation box (12) is also provided with a shower (29) and the shower (29) is connected with a water pump (28) through a pipeline.

In this embodiment, the support assembly 22 is a support leg fixedly connected to the outer wall of the distillation box 12 , and the support for the distillation box 12 is achieved by setting the support legs on the side of the distillation box 12 .

In this embodiment, the primary treatment equipment 1 includes a treatment box 4 and a filter box 5 connected by water pipes. The top of the treatment box 4 is provided with a sewage inlet and a feeding port 7. The treatment box 4 is provided with a stirring assembly 6, and the stirring assembly 6 includes a rotating shaft. 1. The spiral stirring plate arranged on the rotating shaft and the motor that drives the rotating shaft to rotate, the inner wall of the filter box 5 is fixedly connected with a plurality of filter screens 11, and the sewage enters the treatment box 4 through the sewage inlet on the primary treatment equipment 1, and now passes through the feeding port 7. Add some chemical agents such as flocculants and magnetic powder to the inside of the treatment box 4. The chemical agent can promote the precipitation of impurities in the sewage. By adding a certain amount of magnetic powder to the sewage, the sewage of the subsequent low-temperature distillation equipment 2 can be improved. Treatment efficiency, the sewage enters the filter box 5 through the treatment box 4, and the filter screen 11 in the filter box 5 can block the large particles of the sewage, play a role in filtering the sewage, and supply water to the shower 29 through the water pump 28, thereby improving The output of distilled water increases the speed of distillation.

In the present embodiment, a water level gauge 8 is arranged in the treatment box 4, and a controller 9 electrically connected to the water level gauge 8 is fixedly connected to the front end of the treatment box 4, and a display screen 10 is arranged on the controller 9. The amount of the chemical reagent and the magnetic powder that mouth 7 adds can set up water level gauge 8 at processing box 4, and water level gauge 8 can detect the liquid height in processing box 4 and pass the measured data in controller 9, control A display screen 10 is provided on the device 9 to display the measured data. The operator can calculate the amount of chemical reagents and magnetic powder to be added according to the numbers on the display screen 10, which can reduce material waste and ensure the quality of sewage treatment. .

In the present embodiment, the membrane filtration device 3 includes a casing 23, including a water outlet, a hollow fiber membrane 24, and an air inlet pipe 25 connected to one end of the hollow fiber membrane 24. The hollow fiber membrane 24 is covered with a biofilm 26. The air duct 25 injects air into the hollow fiber membrane 24, and the air flows into the biofilm 26 after passing through the hollow fiber membrane 24, thereby providing a living environment for the microorganisms on the biofilm 26, and the organic matter and nitrogen and phosphorus contained in the sewage are covered by the biofilm. 26 adsorption and decomposition, so as to realize the purification of sewage.

The working principle and application process of the present invention: when in use, first the industrial sewage enters the treatment tank 4 through the sewage inlet on the treatment tank 4, and at the same time, the operator obtains the amount of sewage in the treatment tank 4 through the display screen 10 on the controller 9 and Add an appropriate amount of chemical reagents and magnetic powder at the feeding port 7 according to the amount of sewage, and the sewage in the treatment box 4 will be precipitated after the sewage in the sewage is treated with chemical reagents, and the remaining sewage will enter the filter box 5. The filter screen 11 further processes the sewage, and the treated sewage enters the distillation box 12, and the vacuum generator 13 makes the air pressure inside the distillation box 12 drop to about -90kpa. At this time, the boiling point of water is about 45 degrees. After the temperature in the tank 12 was higher than 45 degrees, the water began to evaporate into water vapor and condensed through the condensation water pipe 14 and finally flowed in the water tank 15. The solid matter with a boiling point higher than water and insoluble in water remained in the distillation tank 12. The liquid with a boiling point higher than water enters the membrane filtration device 3 through the liquid outlet located at the bottom of the side of the distillation tank 12, and the organic matter, nitrogen and phosphorus contained in the sewage are absorbed and decomposed by the biofilm 26, thereby realizing the leveling of industrial sewage Purification, when the sewage treatment is completed, the handle 17 can be used to pull the movable bottom plate 16 to move outwards so that the opening at the bottom of the distillation box 12 is opened, and the residual solid impurities in the distillation box 12 flow out through the opening at the bottom of the distillation box 12, and at the same time start the power element 19 drives the connecting plate 20 to move, and the scraper 21 on the connecting plate 20 contacts the inner wall of the distillation box 12 to process the impurities on the inner wall of the distillation box 12 to ensure the cleanliness of the distillation box 12.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes, modifications and substitutions can be made to these embodiments without departing from the principle and spirit of the present invention. and modifications, the scope of the invention is defined by the appended claims and their equivalents.

Claims (10)

1. a kind of industrial sewage treatment equipment, it is characterized in that: comprise initial treatment equipment (1), cryogenic distillation equipment (2), membrane filtration equipment (3) and secondary reverse osmosis equipment (27), described initial treatment equipment ( 1), low-temperature distillation equipment (2) and membrane filtration equipment (3) are connected through water pipes successively, and described low-temperature distillation equipment (2) comprises distillation tank (12), vacuum generator (13), water tank (15) and supporting assembly (22), the water tank (15) is connected to the distillation tank (12) through a condensate pipe (14), the side wall of the distillation tank (12) is provided with a heating assembly, and the distillation tank (12) is a bottom end The structure is open and the bottom surface is inclined at a certain angle. The bottom of the distillation box (12) is slidably connected with a movable bottom plate (16), and a dredging assembly (18) is arranged in the distillation box (12). ) includes a connection plate (20) and a power element (19) that drives the movement of the connection plate (20), the connection plate (20) is in the shape of a “ten” and there are scrapers fixedly connected around the connection plate (20) plate (21), the distillation box (12) is also provided with a shower (29), and the shower (29) is connected to a water pump (28) through a pipeline. 2. The industrial sewage treatment equipment according to claim 1, characterized in that: the power element (19) is a hydraulic cylinder or an electric push rod. 3. The industrial sewage treatment equipment according to claim 1, characterized in that: the support component (22) is a support leg fixedly connected to the outer wall of the distillation tank (12). 4. A kind of industrial sewage treatment equipment according to claim 1, characterized in that: said primary treatment equipment (1) comprises a treatment box (4) and a filter box (5) connected by water pipes, said treatment box ( 4) The top is provided with a sewage inlet and a feed port (7), the treatment box (4) is provided with a stirring assembly (6), and the inner wall of the filter box (5) is fixedly connected with a plurality of filter screens (11). 5. The industrial sewage treatment equipment according to claim 4, characterized in that: the stirring assembly (6) comprises a rotating shaft, a spiral stirring blade arranged on the rotating shaft, and a motor driving the rotating shaft to rotate. 6. A kind of industrial sewage treatment equipment according to claim 4, characterized in that: a water level gauge (8) is arranged in the treatment tank (4), and the front end of the treatment tank (4) is fixedly connected with the The water level gauge (8) is electrically connected to the controller (9), and the controller (9) is provided with a display screen (10). 7. A kind of industrial sewage treatment equipment according to claim 1, characterized in that: the membrane filtration equipment (3) comprises a casing (23), which comprises a water outlet, a hollow fiber membrane (24) and the An air inlet pipe (25) connected to one end of the hollow fiber membrane (24). 8. The industrial sewage treatment equipment according to claim 7, characterized in that: the hollow fiber membrane (24) is covered with a biofilm (26). 9. The industrial sewage treatment equipment according to claim 1, characterized in that: one end of the outer side of the scraper (21) is fixedly connected with a scraper. 10. The industrial sewage treatment equipment according to claim 1, characterized in that: the movable bottom plate (16) is provided with a handle (17) at the end away from the distillation tank (12).

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