Biochemical system for sludge squeezing and sewage treatment

Abstract

The utility model discloses a sludge squeezing sewage treatment biochemical system, and relates to the technical field of sewage treatment, the sludge squeezing sewage treatment biochemical system comprises a box body, a filter plate is arranged in the box body, and a pressing mechanism for pressing sludge is arranged on the filter plate. According to the device, under the cooperative action of pressing plates and the like, a second motor is controlled to be started, the output end of the second motor drives a screw rod to rotate, and the screw rod rotates to drive two threaded blocks and two pressing plates to get close to each other and press the sludge of the thermal power plant out, so that the sludge of the thermal power plant is pressed out; at the moment, sewage flows to the bottom of the box body through the filter plate, oxygen is provided for biochemical treatment of the sewage through the aeration pipe, the biochemical treatment efficiency can be improved, finally, the sewage subjected to biochemical treatment can be discharged through the drainage pipe, simultaneous treatment of the sewage and sludge is achieved, and good conditions are provided for subsequent biochemical treatment; meanwhile, the occupied area can be saved, the operation and maintenance intensity is reduced, and the treatment capacity of an existing biochemical system is improved.

Description

Technical Field

[0001] The present application relates to the technical field of sewage treatment, and in particular to a sludge pressing sewage treatment biochemical system. Background Art

[0002] Thermal power plant sludge refers to the solid waste generated in the process of coal and gas combustion in thermal power plants. Its main sources include purification and dust removal equipment and wastewater treatment systems. The main components of thermal power plant sludge include coal ash, tiny particles in flue gas, pollutants and other impurities. Among them, coal ash is the largest and heaviest part of thermal power plant sludge, and some are flue gas components, such as sulfur dioxide, nitrogen, etc., as well as elements such as iron and manganese and other impurities.

[0003] The existing methods for treating sludge from thermal power plants mainly include landfill, incineration and recycling. Landfill and incineration often cause pollution to the environment and air, and traditional sewage pretreatment and sludge dewatering treatment are two systems. Due to the insufficient treatment capacity of the existing biochemical system and the difficulty in adding a new biochemical system due to the size of the site, the thermal power plant sludge and sewage cannot be treated at the same time. Utility Model Content

[0004] The purpose of the utility model is to solve or at least alleviate the problem in the prior art that the existing biochemical system has insufficient processing capacity and it is difficult to add a new biochemical system to the thermal power plant due to site size limitations, making it impossible to treat the sludge and sewage of the thermal power plant at the same time.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a sludge squeezing sewage treatment biochemical system, comprising a box body, a filter plate is provided in the box body, a pressing mechanism for pressing sludge is provided on the filter plate, and a stirring mechanism for stirring sewage is provided below the filter plate;

[0006] The pressing mechanism includes two pressing plates slidably mounted on the inner walls on both sides of the box body, an installation box is fixedly mounted on the outer wall of one side of the box body, a screw is rotatably mounted in the installation box, and the screw is a bidirectional screw, two threaded blocks are symmetrically screwed on the screw, and the two threaded blocks are respectively fixedly connected to the corresponding pressing plates, a second support plate is fixedly mounted on the outer wall of one side of the installation box, a second motor is fixedly mounted on the top outer wall of the second support plate, and an output end of the second motor passes through the outer wall of one side of the installation box and is fixedly connected to one end of the screw, and a pushing mechanism for unloading sludge is provided on the filter plate.

[0007] By adopting the above technical solution, the second motor is started by controlling the output end of the second motor to drive the screw to rotate, and the rotation of the screw will drive the two threaded blocks and the two pressing plates to approach each other. The two pressing plates approach each other to press the sludge of the thermal power plant and press out the sewage.

[0008] Optionally, the pushing mechanism includes a pushing plate slidably mounted on the top outer wall of the filter plate, a support frame is fixedly mounted on one side outer wall of the box body, and a cylinder is fixedly mounted on the support frame, and the output end of the cylinder passes through one side outer wall of the box body and is fixedly connected to the pushing plate.

[0009] By adopting the above technical solution, by controlling the starting cylinder, the output end of the cylinder will drive the push plate to move and push the thermal power plant sludge out of the discharge port, thereby completing the unloading.

[0010] Optionally, a discharge port is provided on one side outer wall of the box body, and a discharge plate is hinged in the discharge port. A long groove is provided on one side outer wall of the box body, and the two threaded blocks are slidably installed in the long groove.

[0011] By adopting the above technical solution, the two threaded blocks can be limitedly moved by providing the long grooves.

[0012] Optionally, the push plate and the discharge port are arranged in parallel and have the same size.

[0013] By adopting the above technical solution, the pushing plate and the discharge port are arranged in parallel and of the same size, thereby facilitating the use of pushing materials.

[0014] Optionally, two dosing tubes are symmetrically provided on an outer wall of one side of the box body, and the two dosing tubes are both located below the filter plate.

[0015] By adopting the above technical solution, the sewage can be dosed with drugs by setting a dosing pipe.

[0016] Optionally, a plurality of aeration pipes are symmetrically provided on inner walls on both sides of the box body, and the plurality of aeration pipes are all located below the filter plate.

[0017] By adopting the above technical solution and using aeration pipes to provide oxygen for the biochemical treatment of sewage, the efficiency of the biochemical treatment can also be improved.

[0018] Optionally, a sliding groove is provided on one side outer wall of the two pressing plates, the push plate is slidably installed in the sliding groove, and a drain pipe is provided on the bottom outer wall of the box body, and a valve is provided on the drain pipe.

[0019] By adopting the above technical solution, the sewage after biochemical treatment can be discharged through the drainage pipe, thereby improving the treatment capacity of the existing biochemical system.

[0020] Optionally, the stirring mechanism includes two stirring columns rotatably mounted on the inner walls on both sides of the box body, and multiple stirring blades are symmetrically fixedly mounted on the two stirring columns. Two gears are symmetrically rotatably mounted on the outer wall of one side of the box body, and one end of the two gears is fixedly connected to the corresponding stirring columns, and the two gears are meshingly arranged.

[0021] By adopting the above technical solution, two gears, two stirring columns and multiple stirring blades are rotated, thereby improving the sewage treatment efficiency.

[0022] Optionally, a fixed box is fixedly installed on one side outer wall of the box body, a first support plate is fixedly installed on one side outer wall of the fixed box, and a first motor is fixedly installed on the top outer wall of the first support plate, and the output end of the first motor passes through one side outer wall of the fixed box and is fixedly connected to one of the gears.

[0023] By adopting the above technical solution, the first motor is started by controlling, and the output end of the first motor drives the two gears, the two stirring columns and the plurality of stirring blades to rotate.

[0024] In summary, the beneficial effects of this application are as follows:

[0025] 1. The new type of the present application adopts the cooperation of the pressing plate, etc., and the second motor is started by controlling the output end of the second motor to drive the screw to rotate. The rotation of the screw will drive the two threaded blocks and the two pressing plates to approach each other and press the sludge of the thermal power plant, and press the sewage out. At this time, the sewage will flow through the filter plate to the bottom of the box body, and the aeration pipe is used to provide oxygen for the biochemical treatment of the sewage, which can also improve the efficiency of the biochemical treatment. Finally, the drain pipe is used to discharge the sewage after biochemical treatment, so as to realize the simultaneous treatment of sewage and sludge, provide good conditions for subsequent biochemical treatment, and save land, reduce operation and maintenance intensity, and improve the processing capacity of the existing biochemical system.

[0026] 2. The new model of the present application adopts the cooperation of a push plate, etc., by starting the cylinder, the output end of the cylinder will drive the push plate to move and push the sludge from the thermal power plant out of the discharge port, thereby completing the unloading, and by controlling the start of the first motor, the output end of the first motor will drive two gears, two stirring columns and multiple stirring blades to rotate, thereby improving the sewage treatment efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a schematic diagram of the entire application;

[0028] Figure 2 It is a schematic diagram of the filter plate of this application;

[0029] Figure 3 It is a schematic diagram of the stirring column of the present application;

[0030] Figure 4 It is a schematic diagram of the gears of this application.

[0031] Explanation of the accompanying drawings: In the figure: 1, box body; 2, pressing plate; 3, installation box; 4, dosing pipe; 5, discharge port; 6, discharge plate; 7, fixing box; 8, first support plate; 9, first motor; 10, filter plate; 11, support frame; 12, cylinder; 13, push plate; 14, sliding groove; 15, second support plate; 16, second motor; 17, screw; 18, threaded block; 19, aeration pipe; 20, stirring column; 21, stirring blade; 22, long groove; 23, gear; 24, drain pipe; 25, valve. DETAILED DESCRIPTION

[0032] The following is combined with Figure 1-4 This application is described in further detail.

[0033] See also Figure 1-3 A sludge squeezing sewage treatment biochemical system includes a box body 1, a filter plate 10 is arranged in the box body 1, sludge and sewage can be separated by setting the filter plate 10, a pressing mechanism for pressing the sludge is arranged on the filter plate 10, and the sludge can be pressed by setting the pressing mechanism, and a stirring mechanism for stirring the sewage is arranged under the filter plate 10; the sewage can be stirred by setting the stirring mechanism.

[0034] Among them, the pressing mechanism includes two pressing plates 2 slidably installed on the inner walls on both sides of the box body 1, and an installation box 3 is fixedly installed on the outer wall of one side of the box body 1. A screw 17 is rotatably installed in the installation box 3, and the screw 17 is a bidirectional screw. Two threaded blocks 18 are symmetrically screwed on the screw 17. By setting the screw 17, the two threaded blocks 18 can be driven to move closer to or away from each other.

[0035] Among them, the two threaded blocks 18 are fixedly connected to the corresponding pressing plates 2 respectively, a second support plate 15 is fixedly installed on the outer wall of one side of the installation box 3, a second motor 16 is fixedly installed on the top outer wall of the second support plate 15, and the output end of the second motor 16 passes through the outer wall of one side of the installation box 3 and is fixedly connected to one end of the screw 17, and a pushing mechanism for discharging sludge is provided on the filter plate 10.

[0036] When in use, the second motor 16 is started by control, and the output end of the second motor 16 will drive the screw 17 to rotate. The rotation of the screw 17 will drive the two threaded blocks 18 and the two pressing plates 2 to approach each other. The two pressing plates 2 are close to each other, so that the sludge in the thermal power plant can be pressed and the sewage can be pressed out.

[0037] Reference Figure 1 and Figure 2 The pushing mechanism includes a pushing plate 13 slidably mounted on the top outer wall of the filter plate 10, a support frame 11 is fixedly mounted on one side outer wall of the box body 1, and a cylinder 12 is fixedly mounted on the support frame 11, and the output end of the cylinder 12 penetrates one side outer wall of the box body 1 and is fixedly connected to the pushing plate 13. By controlling and starting the cylinder 12, the output end of the cylinder 12 will drive the pushing plate 13 to move and push the thermal power plant sludge out of the discharge port 5, thereby completing the unloading.

[0038] Reference Figure 2 and Figure 3 A discharge port 5 is provided on one side of the outer wall of the box body 1, and a discharge plate 6 is hinged in the discharge port 5. A long groove 22 is provided on one side of the outer wall of the box body 1, and both threaded blocks 18 are slidably installed in the long groove 22. By providing the long groove 22, the two threaded blocks 18 can be limited and moved.

[0039] Reference Figure 2 and Figure 3 The push plate 13 is arranged parallel to the discharge port 5 and has the same size. The push plate 13 is arranged parallel to the discharge port 5 and has the same size, so that it is convenient to push the material.

[0040] Reference Figure 1 and Figure 3 Two dosing pipes 4 are symmetrically arranged on one side outer wall of the box body 1, and both dosing pipes 4 are located below the filter plate 10. By arranging the dosing pipes 4, the sewage can be dosed.

[0041] Reference Figure 3 A plurality of aeration pipes 19 are symmetrically arranged on the inner walls of both sides of the box body 1, and the plurality of aeration pipes 19 are all located below the filter plate 10. The aeration pipes 19 are used to provide oxygen for the biochemical treatment of sewage, and the efficiency of the biochemical treatment can also be improved.

[0042] Reference Figure 2 The outer wall of one side of the two pressing plates 2 is provided with a sliding groove 14, and the push plate 13 is slidably installed in the sliding groove 14. The bottom outer wall of the box body 1 is provided with a drain pipe 24, and a valve 25 is provided on the drain pipe 24. Finally, the drain pipe 24 can be used to discharge the sewage after biochemical treatment, and the treatment capacity of the existing biochemical system can be improved.

[0043] Reference Figure 3 and Figure 4The stirring mechanism includes two stirring columns 20 rotatably mounted on the inner walls of both sides of the box body 1, and multiple stirring blades 21 are symmetrically fixedly mounted on the two stirring columns 20. Two gears 23 are symmetrically rotatably mounted on the outer wall of one side of the box body 1, and one end of the two gears 23 is fixedly connected to the corresponding stirring column 20, and the two gears 23 are meshed. The two gears 23, the two stirring columns 20 and the multiple stirring blades 21 rotate, thereby improving the sewage treatment efficiency.

[0044] Reference Figure 3 and Figure 4 A fixed box 7 is fixedly mounted on one side outer wall of the box body 1, a first support plate 8 is fixedly mounted on one side outer wall of the fixed box 7, and a first motor 9 is fixedly mounted on the top outer wall of the first support plate 8. The output end of the first motor 9 penetrates through one side outer wall of the fixed box 7 and is fixedly connected to one of the gears 23. By controlling and starting the first motor 9, the output end of the first motor 9 will drive the two gears 23, the two stirring columns 20 and the plurality of stirring blades 21 to rotate.

[0045] The implementation principle of the present application is as follows: when in use, the sludge from the thermal power plant is poured onto the filter plate 10 through an external device, and then the second motor 16 is controlled to be started, and the output end of the second motor 16 will drive the screw 17 to rotate, and the rotation of the screw 17 will drive the two threaded blocks 18 and the two pressing plates 2 to approach each other, and the two pressing plates 2 will approach each other so that the sludge from the thermal power plant can be pressed and the sewage can be pressed out. At this time, the sewage will flow through the filter plate 10 to the bottom of the box body 1, and the discharge plate 6 can be opened at this time, and then the cylinder 12 is controlled to be started, and the output end of the cylinder 12 will drive the push plate 13 to move and push the sludge from the thermal power plant out of the discharge port 5, so that the unloading can be completed;

[0046] When it is necessary to treat the sewage at the bottom of the box 1, first, the medicine that can purify the sewage is poured into the bottom of the box 1 through the two dosing pipes 4, and then the first motor 9 is started by control. The output end of the first motor 9 will drive the two gears 23, the two stirring columns 20 and the multiple stirring blades 21 to rotate, thereby improving the sewage treatment efficiency. The aeration pipe 19 is used to provide oxygen for the biochemical treatment of the sewage, which can also improve the efficiency of the biochemical treatment. Finally, the drain pipe 24 is used to discharge the sewage after biochemical treatment, and the treatment capacity of the existing biochemical system is improved.

[0047] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A sludge pressing wastewater treatment biochemical system, comprising a housing (1), characterized in that: A filter plate (10) is provided in the box body (1), a pressing mechanism for pressing sludge is provided on the filter plate (10), and a stirring mechanism for stirring sewage is provided below the filter plate (10); The pressing mechanism comprises two pressing plates (2) slidably mounted on the inner walls of both sides of the box body (1); a mounting box (3) is fixedly mounted on the outer wall of one side of the box body (1); a screw (17) is rotatably mounted in the mounting box (3); the screw (17) is a bidirectional screw; two threaded blocks (18) are symmetrically screwed on the screw (17); the two threaded blocks (18) are respectively fixedly connected to the corresponding pressing plates (2); a second supporting plate (15) is fixedly mounted on the outer wall of one side of the mounting box (3); a second motor (16) is fixedly mounted on the top outer wall of the second supporting plate (15); an output end of the second motor (16) passes through the outer wall of one side of the mounting box (3) and is fixedly connected to one end of the screw (17); and a pushing mechanism for discharging sludge is provided on the filter plate (10).

2. A sludge pressing wastewater treatment biochemical system according to claim 1, characterized in that: The pushing mechanism comprises a pushing plate (13) slidably mounted on the top outer wall of the filter plate (10); a support frame (11) is fixedly mounted on one side outer wall of the box body (1); and a cylinder (12) is fixedly mounted on the support frame (11); an output end of the cylinder (12) passes through one side outer wall of the box body (1) and is fixedly connected to the pushing plate (13).

3. A sludge pressing wastewater treatment biochemical system according to claim 2, characterized in that: A discharge port (5) is provided on one side outer wall of the box body (1), and a discharge plate (6) is hingedly connected inside the discharge port (5). A long groove (22) is provided on one side outer wall of the box body (1), and the two threaded blocks (18) are slidably mounted in the long groove (22).

4. A sludge pressing wastewater treatment biochemical system according to claim 3, characterized in that: The push plate (13) and the discharge port (5) are arranged in parallel and have the same size.

5. A sludge pressing wastewater treatment biochemical system according to claim 1, characterized in that: Two dosing pipes (4) are symmetrically arranged on an outer wall of one side of the box body (1), and the two dosing pipes (4) are both located below the filter plate (10).

6. A sludge pressing wastewater treatment biochemical system according to claim 5, characterized in that: Multiple aeration pipes (19) are symmetrically arranged on the inner walls of both sides of the box body (1), and the multiple aeration pipes (19) are all located below the filter plate (10).

7. A sludge pressing wastewater treatment biochemical system according to claim 4, characterized in that: A sliding groove (14) is provided on one side outer wall of the two pressing plates (2), and the push plate (13) is slidably installed in the sliding groove (14). A drainage pipe (24) is provided on the bottom outer wall of the box body (1), and a valve (25) is provided on the drainage pipe (24).

8. A sludge pressing wastewater treatment biochemical system according to claim 1, characterized in that: The stirring mechanism comprises two stirring columns (20) rotatably mounted on the inner walls of both sides of the box body (1), a plurality of stirring blades (21) being symmetrically fixedly mounted on the two stirring columns (20), and two gears (23) being symmetrically rotatably mounted on the outer wall of one side of the box body (1), one end of the two gears (23) being fixedly connected to the corresponding stirring columns (20), and the two gears (23) being meshed with each other.

9. A sludge pressing wastewater treatment biochemical system according to claim 8, characterized in that: A fixed box (7) is fixedly mounted on one side outer wall of the box body (1), a first support plate (8) is fixedly mounted on one side outer wall of the fixed box (7), and a first motor (9) is fixedly mounted on the top outer wall of the first support plate (8), an output end of the first motor (9) passes through one side outer wall of the fixed box (7) and is fixedly connected to one of the gears (23).

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