Wastewater solid-liquid automatic separation control system

Abstract

This application discloses an automatic solid-liquid separation control system for wastewater, belonging to the technical field of separation. This application includes a filter chamber, a first separation chamber, and a second separation chamber. The filter chamber is equipped with a screen cylinder, and the screen cylinder is equipped with a scraper. While the screen cylinder rotates, it can drive the scraper to reciprocate. The scraper can push the solid material in the screen cylinder into the solid conveying pipeline in a regular manner. The oil and water mixture generated by this application is first stored statically in the second separation chamber to completely separate the oil and water. The first separation chamber serves as a transfer and temporary storage for the mixed liquid. This application improves the separation effect of oil and water.

Description

Technical Field

[0001] This invention is an automatic solid-liquid separation control system for wastewater, belonging to the field of separation technology. Background Technology

[0002] my country generates tens of millions of tons of food waste every day, and the various organic substances it contains are highly corroded in summer. Food waste contains a large amount of leftover soup and swill, which can easily cause pollution during the collection and transportation of the waste. Food waste wastewater is directly discharged into the urban sewage pipe network, causing oil to adhere to the pipe walls, which can easily clog the pipes and make them difficult to dredge. In subsequent sewage treatment, oily wastewater will make it difficult to oxygenate the oxidation tank, inhibit the activity of microorganisms, and deteriorate the quality of the effluent.

[0003] Existing solid-liquid separation systems for food waste often experience solid stagnation at the solid material inlet and poor solid transport. In some cases, the separation of oil and water is not thorough enough, and the separated oil often contains a small amount of water. Sometimes, in order to utilize the separated oil, it is necessary to further purify and refine it. To address these issues, some technicians in this field have developed an automatic solid-liquid separation control system for wastewater to overcome the problems mentioned in the background technology. Summary of the Invention

[0004] The technical problem to be solved by the present invention is to provide an automatic solid-liquid separation control system for sewage, which addresses the above-mentioned shortcomings. The present invention sets a pusher plate at the solid feed inlet of the solid-liquid separation system and sets multiple oil-water separation chambers in the oil-water separation structure. Through the combined action of the pusher plate and multiple separation chambers, the smoothness of solid feed is ensured and the oil-water separation effect is improved.

[0005] To solve the above technical problems, the present invention adopts the following technical solution:

[0006] The wastewater solid-liquid automatic separation control system includes a filter chamber, a screen cylinder inside the filter chamber, a solid pipe inside the screen cylinder, a filter plate fixed to one side of the solid pipe inlet, a mixing pipe inlet above the screen cylinder, a first separation chamber below the mixing pipe outlet, and a second separation chamber below the first separation chamber, with a connecting valve between the two.

[0007] Furthermore, the screen cylinder wall is a porous cylindrical structure with one end open and the other end closed. The open end abuts against the inner wall of the filter chamber, and the screen cylinder motor is fixedly connected to the center of the closed end. The screen cylinder is also equipped with a feed pipe, which is placed at an angle and extends out of the filter chamber.

[0008] Furthermore, the filter plate is placed at an angle, and the filter plate and the inner wall of the screen cylinder are sealed against each other but not connected to each other. The solid pipe is equipped with spiral blades, and the end of the spiral blades is fixedly connected to a feeding motor.

[0009] Furthermore, the filter plate has a groove in the middle, a slider is embedded in the groove, the slider extends out of the upper and lower surfaces of the filter plate, scrapers are fixed to both sides of the slider, and a reciprocating gear is provided at the lower oblique part of the filter plate. One end of the reciprocating gear is provided on one side of the center of the reciprocating gear, and the other end of the column is fixed to the surface of the solid pipe. The reciprocating gear can rotate at the end of the column.

[0010] Furthermore, one end of a first connecting rod is fixedly connected to the other side of the center of the reciprocating gear, and the other end of the first connecting rod is connected to one end of a second connecting rod. A first rotating shaft is provided between the two, and the other end of the second connecting rod is connected to a slider. A second rotating shaft is provided between the two.

[0011] Furthermore, the inner wall of the sieve cylinder is also fixed with arc teeth, which have a fan-shaped structure and teeth distributed on the surface. A liquid pumping motor is also provided on one side of the mixing pipe, and an impeller is fixed to the end of the liquid pumping motor, which extends into the mixing pipe.

[0012] Furthermore, a first liquid level sensor is provided at the bottom of the first separation chamber, a second liquid level sensor is provided at the bottom of the second separation chamber, and a lifting motor is fixedly connected to the top of the second separation chamber. A threaded rod is fixedly connected to the end of the lifting motor, and a sliding rod is embedded on the outer surface of the threaded rod. The two are engaged by threads. An oil cup and an electrode are fixedly connected to the lower surfaces of both ends of the sliding rod, and the height of the electrode is lower than the height of the oil cup.

[0013] Furthermore, a vacuum pipe is fixedly connected to the bottom of the oil extraction cup. The vacuum pipe is made of a flexible material and is equipped with a vacuum valve.

[0014] The electrode consists of two opposing probes with a gap between them. A voltage of the same polarity is connected above the probes. A separation net is also fixed to the upper part of the second separation chamber, and a threaded rod and a vacuum pipe pass through the separation net.

[0015] Furthermore, a drainage pipe is fixed to the bottom of the second separation chamber, and a drainage valve is installed on the drainage pipe.

[0016] Furthermore, it also includes a central controller, which is connected to an input section and an output section. The central controller is used to receive data detected by the input section and send operating instructions to the output section to realize the automated operation of each part within the wastewater solid-liquid automatic separation control system. The central controller is also connected to a display screen, which is used to display the operating status and parameters of each part within the wastewater solid-liquid automatic separation control system.

[0017] The present invention adopts the above technical solution and has the following technical effects compared with the prior art:

[0018] 1. The present invention is equipped with a screen cylinder and a solid pipeline. A filter plate is connected between the feed inlet of the solid pipeline and the screen cylinder. A scraper is provided on the surface of the filter plate. The scraper can reciprocate on the surface of the filter plate, which can push the solid on the surface of the filter plate to the feed inlet of the solid pipeline in a regular manner. The separated solid is then transported to another location through the solid pipeline, thereby improving the solid transport efficiency and smoothness.

[0019] 2. The present invention is provided with an oil-water separation chamber, including a first separation chamber and a second separation chamber, which are interconnected. By keeping the second separation chamber stationary, the merging of oil and water during their mutual movement is avoided, thereby improving the oil-water separation effect. Attached Figure Description

[0020] To more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the accompanying drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn to actual scale and orientation.

[0021] Figure 1 This is a cross-sectional view of the structural connection of the present invention;

[0022] Figure 2 This is a side view of the sieve cylinder structure connection of the present invention;

[0023] Figure 3 This is a schematic diagram of the electrical network connection principle of the central controller of the present invention.

[0024] In the diagram: 1-Filter chamber, 2-Screen cylinder, 3-Screen cylinder motor, 4-Solid pipe, 5-Feeding motor, 6-Feeding pipe, 7-Filter plate, 8-Scraper, 9-Mixing pipe, 10-Arch gear, 11-Reciprocating gear, 12-First connecting rod, 13-Second connecting rod, 14-Slider, 15-First separation chamber, 16-Second separation chamber, 17-Connecting valve, 18-First liquid level sensor, 19-Second liquid level sensor, 20-Drain valve, 21-Liquid pumping motor, 22-Column, 23-Lifting motor, 24-Electrode, 25-Slide rod, 26-Vacuum pipe, 27-Vacuum valve, 28-Oil suction cup, 29-Separation screen. Detailed Implementation

[0025] like Figure 1 and Figure 2As shown, the wastewater solid-liquid automatic separation control system includes a filter chamber 1, inside which is a screen cylinder 2. The screen cylinder 2 has a porous cylindrical structure with one end open and the other end closed. The open end abuts against the inner wall of the filter chamber 1, and a screen cylinder motor 3 is fixedly connected to the center of the closed end. The screen cylinder motor 3 is used to rotate the screen cylinder 2. The screen cylinder 2 is also equipped with a feed pipe 6, which is placed at an angle and extends out of the filter chamber 1. The operator pours food waste into the screen cylinder 2 through the feed pipe 6.

[0026] The screen cylinder 2 is equipped with a solid pipe 4. A filter plate 7 is fixedly connected to one side of the feed inlet of the solid pipe 4. The filter plate 7 is placed at an angle and is sealed to the inner wall of the screen cylinder 2, but not connected to each other. The solid pipe 4 is equipped with a spiral blade. A feeding motor 5 is fixedly connected to the end of the spiral blade. The feeding motor 5 is used to rotate the spiral blade. Through the rotation of the spiral blade, the solid material that has fallen into the solid pipe 4 and separated is transported to another place for storage.

[0027] The filter plate 7 has a groove in the middle, and a slider 14 is embedded in the groove. The slider 14 extends out of the upper and lower surfaces of the filter plate 7. Scrapers 8 are fixed to both sides of the slider 14. A reciprocating gear 11 is also provided at the lower side of the filter plate 7. One end of the column 22 is provided on one side of the center of the reciprocating gear 11. The other end of the column 22 is fixed to the surface of the solid pipe 4. The reciprocating gear 11 can rotate at the end of the column 22. One end of the first connecting rod 12 is fixed to the other side of the center of the reciprocating gear 11. The other end of the first connecting rod 12 is connected to one end of the second connecting rod 13. A first rotating shaft is provided between the two. The other end of the second connecting rod 13 is connected to the slider 14. A second rotating shaft is provided between the two.

[0028] The inner wall of the screen cylinder 2 is also fixed with arc teeth 10. The arc teeth 10 have a fan-shaped structure and teeth distributed on their surface. When the screen cylinder 2 starts to rotate, the arc teeth 10 pass over the surface of the reciprocating gear 11. Through the meshing between the teeth, the reciprocating gear 11 is driven to rotate one revolution. The first connecting rod 12 also rotates one revolution. The second connecting rod 13 also follows the first connecting rod 12 in an arc motion. The slider 14 follows the second connecting rod 13 along the groove in the filter plate 7, sliding from the top end to the bottom end, and then returning to its original position. Normally, the slider 14 is positioned... At the top of the filter plate 7, the solid material on the surface of the filter plate 7 is pushed into the solid pipe 4 by the scraper 8. The screen cylinder 2 is provided with a mixing pipe 9 inlet at an angle above it. The first separation chamber 15 is provided below the outlet of the mixing pipe 9. A liquid pumping motor 21 is also provided on one side of the mixing pipe 9. An impeller is fixed to the end of the liquid pumping motor 21. The impeller extends into the mixing pipe 9. The liquid pumping motor 21 is used to rotate the impeller and draw the mixed liquid filtered by the screen cylinder 2 in the filter chamber 1 into the first separation chamber 15.

[0029] When the filter chamber 1 is filled with food waste, the screen cylinder 2 rotates, the liquid pumping motor 21 starts, and the liquid in the filter chamber 1 forms an upward water flow. The solids in the screen cylinder 2 are attached to the inner wall of the screen cylinder 2 and blocked on the surface of the filter plate 7. By the action of the scraper 8, they are scraped off into the solid pipe 4. At the same time, the feeding motor 5 starts to transfer the solids in the screen cylinder 2 out of the filter chamber 1. The oil and water mixture in the filter chamber 1 is pumped into the first separation chamber 15.

[0030] A second separation chamber 16 is located below the first separation chamber 15, and a connecting valve 17 connects the two. A first liquid level sensor 18 is located at the bottom of the first separation chamber 15 to detect the liquid level of the mixed liquid in the first separation chamber 15. A second liquid level sensor 19 is located at the bottom of the second separation chamber 16 to detect the liquid level of the mixed liquid in the second separation chamber 16. A lifting motor 23 is also fixedly connected to the top of the second separation chamber 16, and a threaded rod is fixedly connected to the end of the lifting motor 23. The outer surface of the threaded rod... A sliding rod 25 is embedded therein, and the two are engaged by threads. The lifting motor 23 is used to rotate the threaded rod, so as to realize the lifting and lowering of the sliding rod 25 on the surface of the threaded rod. Normally, the sliding rod 25 is at the upper end of the threaded rod. An oil cup 28 and an electrode 24 are fixed to the lower surface of both ends of the sliding rod 25. The height of the electrode 24 is lower than the height of the oil cup 28. A vacuum pipe 26 is fixed to the lower part of the oil cup 28. The vacuum pipe 26 is made of soft material and is also equipped with a vacuum valve 27. The vacuum pipe 26 is a negative pressure pipe and is used to extract oil from the second separation chamber 16.

[0031] The electrode 24 consists of two opposing probes with a gap between them. A voltage of the same polarity is connected above the probes. Since the conductivity of water is higher than that of oil, the electrode 24 uses the conduction of the voltage signal to detect whether it is in water or oil. A separation screen 29 is also fixed to the upper part of the second separation chamber 16. The threaded rod and vacuum pipe 26 pass through the separation screen 29. The separation screen 29 is a multi-layer filter screen. Utilizing the different densities of water and oil, oil is isolated above the separation screen 29, and water is isolated below the separation screen 29, so that water and oil are separated better and faster.

[0032] A drain pipe is fixed to the bottom of the second separation chamber 16, and a drain valve 20 is installed on the drain pipe. When the pumping motor 21 starts, the connecting valve 17 opens, and the mixed liquid falls from the bottom of the first separation chamber 15 into the second separation chamber 16. Through the action of the separating screen 29, water and oil are quickly separated. Water falls to the bottom of the second separation chamber 16, and oil rises to the top. When the second liquid level sensor 19 detects that the liquid level in the second separation chamber 16 has reached the set upper limit, the connecting valve 17 closes, and the second separation chamber 16 waits for water and oil to separate. Oils undergo static polymerization, then slide bar 25 descends, vacuum valve 27 opens, and oil from the upper layer of the second separation chamber 16 is extracted through vacuum pipe 26. When electrode 24 detects the entry into the moisture layer, vacuum valve 27 closes, slide bar 25 resets, and then drain valve 20 opens, draining the moisture from the second separation chamber 16. When the liquid level in the second separation chamber 16 reaches the set lower limit, drain valve 20 closes, and connecting valve 17 opens. This process is repeated. By utilizing the static effect of the second separation chamber 16, moisture and oil can be better separated, improving the separation effect.

[0033] like Figure 3 As shown, the wastewater solid-liquid automatic separation control system also includes a central controller. The central controller is connected to an input section and an output section. The central controller is used to receive data detected by the input section and send operating instructions to the output section to realize the automated operation of each part within the wastewater solid-liquid automatic separation control system. The central controller is also connected to a display screen, which is used to display the operating status and parameters of each part within the wastewater solid-liquid automatic separation control system.

[0034] The input section includes a first liquid level sensor, a second liquid level sensor, and electrodes. The input section is used to detect the operating data within the wastewater solid-liquid automatic separation control system. The output section includes a screen cylinder motor, a feeding motor, a connecting valve, a drain valve, an oil extraction valve, a lifting motor, a vacuum valve, and a liquid extraction motor. The central controller sends operating commands to the output section based on the operating data detected by the input section, thereby enabling the wastewater solid-liquid automatic separation control system to operate automatically.

[0035] The description of this invention is provided for illustrative purposes and is not intended to be exhaustive or to limit the invention to the forms disclosed. Many modifications and variations will be apparent to those skilled in the art. The embodiments were chosen and described to better illustrate the principles and practical application of the invention, and to enable those skilled in the art to understand the invention and design various embodiments with various modifications suitable for a particular purpose.

Claims

1. An automatic solid-liquid separation control system for wastewater, characterized in that: Includes a filter chamber (1), a sieve cylinder (2) is provided inside the filter chamber (1), a solid pipe (4) is provided inside the sieve cylinder (2), a filter plate (7) is fixedly connected to one side of the feed inlet of the solid pipe (4), a mixing pipe (9) feed inlet is also provided obliquely above the sieve cylinder (2), a first separation chamber (15) is provided below the discharge outlet of the mixing pipe (9), a second separation chamber (16) is provided below the first separation chamber (15), and a connecting valve (17) is connected between the two. The filter plate (7) has a groove in the middle, and a slider (14) is embedded in the groove. The slider (14) extends out of the upper and lower surfaces of the filter plate (7). Scrapers (8) are fixed on both sides of the slider (14). A reciprocating gear (11) is also provided at the lower side of the filter plate (7). A column (22) is provided on one side of the center of the reciprocating gear (11). The other end of the column (22) is fixed to the surface of the solid pipe (4). The reciprocating gear (11) can rotate at the end of the column (22). The reciprocating gear (11) has a first connecting rod (12) fixed to one end on the other side of its center. The other end of the first connecting rod (12) is connected to a second connecting rod (13). A first rotating shaft is provided between the two. The other end of the second connecting rod (13) is connected to a slider (14). A second rotating shaft is provided between the two. The inner wall of the sieve cylinder (2) is also fixed with arc teeth (10). The arc teeth (10) have a fan-shaped structure and teeth are distributed on the surface. A liquid pumping motor (21) is also provided on one side of the mixing pipe (9). An impeller is fixed at the end of the liquid pumping motor (21) and the impeller extends into the mixing pipe (9).

2. The wastewater solid-liquid automatic separation control system as described in claim 1, characterized in that: The screen cylinder (2) has a porous cylindrical structure with one end open and the other end closed. The open end abuts against the inner wall of the filter chamber (1), and the center of the closed end is fixed with a screen cylinder motor (3). The screen cylinder (2) is also provided with a feed pipe (6), which is placed at an angle and extends out of the filter chamber (1).

3. The wastewater solid-liquid automatic separation control system as described in claim 1, characterized in that: The filter plate (7) is placed at an angle, and the filter plate (7) and the inner wall of the screen cylinder (2) are sealed and abutted against each other, and are not connected to each other. The solid pipe (4) is provided with a spiral blade, and the end of the spiral blade is fixedly connected to a feeding motor (5).

4. The wastewater solid-liquid automatic separation control system as described in claim 1, characterized in that: The first separation chamber (15) is provided with a first liquid level sensor (18) at the bottom end, and the second separation chamber (16) is provided with a second liquid level sensor (19) at the bottom end. The second separation chamber (16) is also fixedly connected to a lifting motor (23) at the top end. A threaded rod is fixedly connected to the end of the lifting motor (23), and a slide rod (25) is inlaid on the outer surface of the threaded rod. The two are engaged by threads. An oil cup (28) and an electrode (24) are fixedly connected to the lower surfaces of both ends of the slide rod (25). The height of the electrode (24) is lower than the height of the oil cup (28).

5. The wastewater solid-liquid automatic separation control system as described in claim 4, characterized in that: A vacuum pipe (26) is fixedly connected to the bottom of the oil extraction cup (28). The vacuum pipe (26) is made of soft material and a vacuum valve (27) is also provided on the vacuum pipe (26). The electrode (24) consists of two opposing probes with a gap between them. A voltage of the same polarity is connected above the probes. A separation net (29) is also fixed to the upper part of the second separation chamber (16). A threaded rod and a vacuum pipe (26) pass through the separation net (29).

6. The wastewater solid-liquid automatic separation control system as described in claim 1, characterized in that: The bottom of the second separation chamber (16) is also fixed with a drainage pipe, and a drainage valve (20) is provided on the drainage pipe.

7. The wastewater solid-liquid automatic separation control system as described in claim 1, characterized in that: It also includes a central controller, which is connected to an input section and an output section. The central controller is used to receive data detected by the input section and send operating instructions to the output section to realize the automated operation of each part in the wastewater solid-liquid automatic separation control system. The central controller is also connected to a display screen, which is used to display the operating status and parameters of each part in the wastewater solid-liquid automatic separation control system.

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