Polyacrylamide mixing equipment for sludge dewatering

Abstract

The utility model discloses polyacrylamide mixing equipment for sludge dewatering, and relates to the technical field of wastewater treatment. Comprising a tank body, a feeding hopper is fixedly installed on the upper surface of the tank body, a lifting mechanism is fixedly installed on the upper surface, corresponding to the feeding hopper, of the tank body, a liquid distribution box is fixedly installed on the upper surface of the lifting mechanism, a motor is fixedly installed on the upper surface of the liquid distribution box, and a transmission pipe is fixedly installed on the lower surface of an output shaft of the motor; a liquid inlet hole is formed in the part, located in the liquid distribution box, of the transmission pipe, and a smashing mechanism is arranged at the position, corresponding to the lower side of the inner wall of the feeding hopper, of the transmission pipe. According to the utility model, the polyacrylamide crushing and scattering functions are added, so that the polyacrylamide is uniformly distributed in the tank body, the stirring area of the stirring mechanism is enlarged, the mixing efficiency is greatly improved, the mixing quality is better, the flowing function of wastewater is increased, the mixing efficiency is further improved, the function of cleaning the interior of the tank body is added, and the use is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of wastewater treatment, in particular to polyacrylamide mixing equipment for sludge dehydration. Background Art

[0002] Sewage treatment is the process of purifying sewage to meet the water quality requirements for drainage into a water body or reuse. Polyacrylamide is often used in sewage treatment. Polyacrylamide has good flocculation properties and can effectively purify wastewater after sludge dehydration.

[0003] In the prior art, during the use of conventional polyacrylamide mixing equipment for sludge dewatering, polyacrylamide has the problem of large particles, which causes the polyacrylamide to consume a lot of time to dissolve. In addition, during the process of adding the polyacrylamide, it will accumulate at a certain position of the tank body, resulting in uneven distribution. At the same time, the position of the stirring component is fixed, and the mixing efficiency is low. At the same time, the wastewater has poor fluidity and is difficult to mix quickly with the polyacrylamide. There is a lack of cleaning function for the mixing tank body, which is not conducive to use. Utility Model Content

[0004] The utility model provides a polyacrylamide mixing device for sludge dehydration to solve the problems in the background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a polyacrylamide mixing device for sludge dehydration, comprising a tank body, a feeding hopper is fixedly installed on the upper surface of the tank body, a lifting mechanism is fixedly installed on the upper surface of the tank body corresponding to the feeding hopper, a liquid distribution box is fixedly installed on the upper surface of the lifting mechanism, a motor is fixedly installed on the upper surface of the liquid distribution box, a transmission pipe is fixedly installed on the lower surface of the output shaft of the motor, and the transmission pipe is movably inserted in the tank body, a liquid inlet hole is opened on the part of the transmission pipe located in the liquid distribution box, a crushing mechanism is arranged on the transmission pipe at a position corresponding to the inner wall of the feeding hopper near the lower side, a spreading plate is arranged on the transmission pipe near the upper inner wall of the tank body, a stirring mechanism is arranged in the tank body near the lower side, one-way nozzles are arranged on the left and right side walls of the tank body, a water filter is installed on the lower surface of the tank body, and the water filter is connected with the liquid distribution box through the extraction mechanism.

[0006] Furthermore, the lifting mechanism includes an electric telescopic rod and a cross plate. Two electric telescopic rods are arranged on the left and right. A cross plate is fixedly installed between the upper surfaces of the electric telescopic rods, and the front and rear width of the cross plate is smaller than the front and rear diameter of the feeding hopper by 5cm-8cm.

[0007] Furthermore, the pulverizing mechanism comprises a filter screen plate and a pulverizing blade. The filter screen plate is fixedly mounted on the lower edge of the inner wall of the hopper, and the pulverizing blade is arranged on the transmission pipe corresponding to the upper surface of the filter screen plate.

[0008] Furthermore, mechanical seals are provided at positions corresponding to the upper and lower side walls of the transmission pipe and the liquid distribution box.

[0009] Furthermore, through holes are provided on the transverse plate and the filter screen plate corresponding to the transmission pipe.

[0010] Furthermore, the stirring mechanism includes stirring blades and scrapers. The stirring blades are fixedly installed on the left and right sides of the transmission pipe. The scrapers are fixedly installed on the sides of the stirring blades close to the inner wall of the tank, and the scrapers are movably fitted to the inner wall of the tank.

[0011] Furthermore, a plug is threadedly installed on the left side of the water filter, and a slag discharge valve is provided on the left side of the plug.

[0012] Furthermore, the extraction mechanism includes a water pump and a hose. The water pump is installed on the lower surface of the tank body. The water inlet and outlet of the water pump are respectively connected to the water outlet of the water filter and the liquid distribution box through the hose.

[0013] Compared with the prior art, the utility model provides a polyacrylamide mixing device for sludge dehydration, which has the following beneficial effects:

[0014] 1. The polyacrylamide mixing equipment for sludge dehydration increases the crushing and spreading functions of polyacrylamide by setting a crushing mechanism and a spreading plate to rotate with the transmission pipe, so that the polyacrylamide is evenly distributed in the tank body, and the lifting mechanism drives the stirring mechanism on the transmission pipe to move up and down, thereby increasing the stirring area of ​​the stirring mechanism, greatly improving the mixing efficiency, and making the mixing quality better.

[0015] 2. The polyacrylamide mixing equipment for sludge dehydration increases the flow function of wastewater and further improves the mixing efficiency by arranging a water filter, an extraction mechanism, a liquid distribution box, a transmission pipe and a nozzle, while adding a function of cleaning the inside of the tank, which is convenient for use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the utility model;

[0017] Figure 2 It is a cross-sectional view of the tank body of the utility model;

[0018] Figure 3 It is a cross-sectional view of the liquid distribution box of the utility model.

[0019] In the figure: 1. tank body; 2. hopper; 3. lifting mechanism; 301. electric telescopic rod; 302. horizontal plate; 4. liquid distribution box; 5. motor; 6. transmission pipe; 7. liquid inlet hole; 8. crushing mechanism; 801. filter screen; 802. crushing blade; 9. spreading plate; 10. stirring mechanism; 101. stirring blade; 102. scraper; 11. one-way nozzle; 12. water filter; 13. extraction mechanism; 131. water pump; 132. hose; 14. mechanical seal; 15. through hole; 16. plug; 17. slag discharge valve. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-Figure 3 The utility model discloses a polyacrylamide mixing device for sludge dehydration, comprising a tank body 1, a feeding hopper 2 is fixedly mounted on the upper surface of the tank body 1, a lifting mechanism 3 is fixedly mounted on the upper surface of the tank body 1 corresponding to the feeding hopper 2, a liquid distribution box 4 is fixedly mounted on the upper surface of the lifting mechanism 3, a motor 5 is fixedly mounted on the upper surface of the liquid distribution box 4, a transmission pipe 6 is fixedly mounted on the lower surface of the output shaft of the motor 5, and the transmission pipe 6 is movably inserted in the tank body 1, a liquid inlet hole 7 is opened on the part of the transmission pipe 6 located in the liquid distribution box 4, a crushing mechanism 8 is arranged on the transmission pipe 6 at a position corresponding to the inner wall of the feeding hopper 2 near the lower side, a spreading disc 9 is arranged on the transmission pipe 6 near the upper inner wall of the tank body 1, a stirring mechanism 10 is arranged near the lower side of the tank body 1, a one-way nozzle 11 is arranged on the left and right side walls of the tank body 1, and a water filter 12 is installed on the lower surface of the tank body 1, and the water filter 12 is connected to the liquid distribution box 4 through an extraction mechanism 13.

[0022] Specifically, the lifting mechanism 3 includes an electric telescopic rod 301 and a horizontal plate 302. Two electric telescopic rods 301 are arranged on the left and right. The horizontal plate 302 is fixedly installed between the upper surfaces of the electric telescopic rods 301, and the front and rear width of the horizontal plate 302 is smaller than the front and rear diameter of the feeding hopper 2 by 5cm-8cm.

[0023] In this embodiment, the electric telescopic rod 301 drives the horizontal plate 302 to move up and down, so that the horizontal plate 302 drives the liquid distribution box 4 to move up and down, and the liquid distribution box 4 drives the transmission tube 6 to move up and down through the motor 5.

[0024] Specifically, the crushing mechanism 8 includes a filter screen plate 801 and a crushing blade 802 . The filter screen plate 801 is fixedly installed at the lower edge of the inner wall of the feeding hopper 2 . The crushing blade 802 is arranged on the transmission pipe 6 corresponding to the upper surface of the filter screen plate 801 .

[0025] In this embodiment, the filter screen 801 filters the large particles in the polyacrylamide, and the crushing blade 802 rotates with the transmission tube 6 to crush the large particles of polyacrylamide on the filter screen 801.

[0026] Specifically, mechanical seals 14 are provided at corresponding positions of the transmission pipe 6 and the upper and lower side walls of the liquid distribution box 4 .

[0027] In this embodiment, the mechanical seal 14 has a better sealing effect between the transmission pipe 6 and the upper and lower side walls of the liquid distribution box 4.

[0028] Specifically, through holes 15 are provided on the transverse plate 302 and the filter screen plate 801 corresponding to the transmission pipe 6 .

[0029] In this embodiment, the through hole 15 meets the requirements of the transmission tube 6 passing through and rotating on the horizontal plate 302 and the filter screen plate 801.

[0030] Specifically, the stirring mechanism 10 includes a stirring blade 101 and a scraper 102. The stirring blade 101 is fixedly installed on the left and right sides of the transmission tube 6. The scraper 102 is fixedly installed on the side of the stirring blade 101 close to the inner wall of the tank body 1, and the scraper 102 is movably fitted to the inner wall of the tank body 1.

[0031] In this embodiment, the stirring blade 101 rotates and reciprocates up and down with the transmission tube 6 to mix and stir the tank body 1. At the same time, the scraper 102 rotates with the stirring blade 101 to scrape off the residue on the inner wall of the tank body 1.

[0032] Specifically, a plug 16 is threadedly mounted on the left side of the water filter 12 , and a slag discharge valve 17 is provided on the left side of the plug 16 .

[0033] In this embodiment, the plug 16 is opened to facilitate cleaning or replacement of the filter element in the water filter 12 , and the slag discharge valve 17 is convenient for discharging impurities filtered out of the water filter 12 .

[0034] Specifically, the extraction mechanism 13 includes a water pump 131 and a hose 132. The water pump 131 is installed on the lower surface of the tank body 1. The water inlet and outlet of the water pump 131 are connected to the water outlet of the water filter 12 and the liquid distribution box 4 through the hose 132 respectively.

[0035] In this embodiment, the water pump 131 can pump the waste water in the water filter 12 into the liquid distribution box 4 through the hose 132, and then flow into the transmission pipe 6 through the liquid inlet hole 7, and spray out through the one-way nozzle 11 on the transmission pipe 6.

[0036] When in use, polyacrylamide and water are poured into the tank body 1 through the feeding hopper 2 in proportion, the transmission tube 6 is driven to rotate by the output shaft of the motor 5, the large particles in the polyacrylamide are filtered by the filter screen plate 801 in the crushing mechanism 8, the crushing blade 802 rotates with the transmission tube 6, and the large particles of polyacrylamide on the filter screen plate 801 are crushed, and the polyacrylamide falling into the feeding hopper 2 falls on the upper surface of the spreading plate 9, and the spreading plate 9 rotates with the transmission tube 6, so that the spreading plate 9 evenly spreads the polyacrylamide into the tank body 1, thereby increasing the crushing and spreading functions of the polyacrylamide, so that the polyacrylamide is evenly distributed in the tank body 1, and the electric telescopic rod 301 in the lifting mechanism 3 drives the horizontal plate 302 to move up and down, so that the horizontal plate 302 drives the liquid distribution box 4 to move up and down The liquid distribution box 4 drives the transmission pipe 6 to move up and down through the motor 5, and the transmission pipe 6 drives the stirring blade 101 in the stirring mechanism 10 to rotate and reciprocate up and down, so as to mix and stir the tank body 1, greatly improving the mixing efficiency and making the mixing quality better. During the mixing process, the waste water in the water filter 12 can be pumped into the liquid distribution box 4 through the hose 132 by the water pump 131 in the extraction mechanism 13, and then flows into the transmission pipe 6 through the liquid inlet hole 7, and is sprayed out through the one-way nozzle 11 on the transmission pipe 6, thereby increasing the flow function of the waste water and further improving the mixing efficiency. After the outside is mixed, it is discharged through the slag discharge valve 17, and the cleaning liquid is injected into the tank body 1, extracted through the extraction mechanism 13, and then sprayed out through the one-way nozzle 11, thereby increasing the function of cleaning the tank body 1, which is convenient for use.

[0037] In summary, the polyacrylamide mixing equipment for sludge dehydration increases the functions of crushing and spreading polyacrylamide, so that the polyacrylamide is evenly distributed in the tank body 1, and increases the stirring area of ​​the stirring mechanism 10, greatly improving the mixing efficiency, making the mixing quality better, increasing the flow function of wastewater, further improving the mixing efficiency, and at the same time increasing the function of cleaning the tank body 1, which is convenient for use.

[0038] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A polyacrylamide mixing device for sludge dehydration, comprising a tank (1), characterized in that: A feeding hopper (2) is fixedly mounted on the upper surface of the tank body (1), a lifting mechanism (3) is fixedly mounted on the upper surface of the tank body (1) corresponding to the feeding hopper (2), a liquid distribution box (4) is fixedly mounted on the upper surface of the lifting mechanism (3), a motor (5) is fixedly mounted on the upper surface of the liquid distribution box (4), a transmission tube (6) is fixedly mounted on the lower surface of the output shaft of the motor (5), and the transmission tube (6) is movably inserted in the tank body (1), and a liquid inlet hole (7) is opened on the portion of the transmission tube (6) located in the liquid distribution box (4) A crushing mechanism (8) is provided on the transmission pipe (6) at a position corresponding to the inner wall of the hopper (2) near the lower side, a spreading plate (9) is provided on the transmission pipe (6) near the upper inner wall of the tank body (1), a stirring mechanism (10) is provided in the tank body (1) near the lower side, one-way nozzles (11) are provided on the left and right side walls of the tank body (1), and a water filter (12) is installed on the lower surface of the tank body (1), and the water filter (12) is connected to the liquid distribution box (4) through an extraction mechanism (13).

2. The polyacrylamide mixing device for sludge dehydration according to claim 1, characterized in that: The lifting mechanism (3) comprises an electric telescopic rod (301) and a horizontal plate (302), wherein two electric telescopic rods (301) are arranged on the left and right sides, and a horizontal plate (302) is fixedly installed between the upper surfaces of the electric telescopic rod (301), and the front-to-back width of the horizontal plate (302) is smaller than the front-to-back diameter of the feeding hopper (2) by 5 cm to 8 cm.

3. The polyacrylamide mixing device for sludge dehydration according to claim 1, characterized in that: The pulverizing mechanism (8) comprises a filter screen plate (801) and a pulverizing blade (802); the filter screen plate (801) is fixedly mounted on the lower edge of the inner wall of the feeding hopper (2); and the pulverizing blade (802) is arranged on the transmission pipe (6) corresponding to the upper surface of the filter screen plate (801).

4. The polyacrylamide mixing device for sludge dehydration according to claim 1, characterized in that: Mechanical seals (14) are provided at positions corresponding to the upper and lower side walls of the transmission pipe (6) and the liquid distribution box (4).

5. The polyacrylamide mixing device for sludge dehydration according to claim 1, characterized in that: The transverse plate (302) and the filter screen plate (801) corresponding to the transmission pipe (6) are both provided with through holes (15).

6. The polyacrylamide mixing device for sludge dehydration according to claim 1, characterized in that: The stirring mechanism (10) comprises a stirring blade (101) and a scraper (102); the stirring blade (101) is fixedly mounted on the left and right sides of the transmission tube (6); the scraper (102) is fixedly mounted on the side of the stirring blade (101) close to the inner wall of the tank body (1), and the scraper (102) is movably fitted to the inner wall of the tank body (1).

7. The polyacrylamide mixing device for sludge dehydration according to claim 1, characterized in that: A plug (16) is threadedly mounted on the left side of the water filter (12), and a slag discharge valve (17) is provided on the left side of the plug (16).

8. The polyacrylamide mixing device for sludge dehydration according to claim 1, characterized in that: The extraction mechanism (13) comprises a water pump (131) and a hose (132); the water pump (131) is installed on the lower surface of the tank body (1); the water inlet and outlet of the water pump (131) are respectively connected to the water outlet of the water filter (12) and the liquid distribution box (4) through the hose (132).

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