Wastewater treatment device for black pig farm

Abstract

The utility model provides a wastewater treatment device for a black pig farm, which relates to the technical field of pig breeding equipment, and comprises a box body, an inclined filter screen is arranged in the box body, a vertically arranged scraper is arranged above the filter screen, the scraper is connected with an electric push rod, the electric push rod is parallel to the filter screen, and one end of the electric push rod is connected to the side wall of the box body; the lower end of the filter screen is connected with an arc-shaped filter screen, and the other end of the arc-shaped filter screen is connected to the side wall of the box body; a rotary scraping plate is arranged above the joint of the arc-shaped filter screen and the side wall of the box body, the rotary scraping plate is connected with a power assembly for driving the rotary scraping plate to rotate, and the power assembly is fixed on the side wall of the box body; the box body is provided with a movable groove allowing the rotary scraper to rotate, and an auger is connected to the side wall of the movable groove. The device effectively prevents the filter screen from being blocked, ensures that sludge is not accumulated in the device, and ensures the wastewater treatment efficiency.

Description

TECHNICAL FIELD

[0001] The utility model relates to pig breeding equipment technical field, concretely relates to a wastewater treatment device for black pig farm. BACKGROUND

[0002] In recent years, consumers increasingly pursue food safety and health, and black pigs have more delicate and compact meat quality and higher nutritional value than ordinary pigs, so the demand of consumers for black pigs is increasing.

[0003] With the continuous development of black pig breeding industry, pig farms will produce a large amount of wastewater every day, and the wastewater is mainly composed of pig livestock and manure, feed residues and other impurities. The wastewater must be treated before it can be discharged.

[0004] For wastewater treatment in pig farms, the wastewater is first filtered by a grate, which removes larger suspended impurities, hair, feed residues and other impurities in the wastewater, and then the sludge in the wastewater is filtered out. When the wastewater is re-filtered and discharged, the sludge in the wastewater is very easy to block the filter screen, so it must be treated in time to prevent the accumulation of sludge, otherwise it will reduce the efficiency of wastewater treatment and affect the production efficiency.

[0005] The utility model patent with publication number CN209286753U discloses a wastewater purification treatment device for pig breeding plant, which comprises a first filter tank, a second filter tank, a sludge scraping device, a waste collection tank, a support frame and a purification tank. The second filter tank is fixedly connected to the lower part of the first filter tank. The sludge scraping device is fixedly connected to the upper part of the inner wall of the second filter tank. The waste collection tank is fixedly connected to one side of the second filter tank. The support frame is fixedly installed at the bottom of the second filter tank and the waste collection tank. The purification tank is fixedly connected to the lower part of the side of the second filter tank away from the waste collection tank. The grate is fixedly connected to the upper part of the inner wall of the first filter tank. The wastewater purification treatment device for pig breeding plant can scrape off the solid waste on the filter screen through the scraper on the belt, prevent the filter screen from being blocked, and effectively improve the purification efficiency of the wastewater. However, the device sets the belt with the scraper at the water inlet, which is not conducive to the smooth passage of wastewater, and the scraper can only scrape off the sludge solids in the middle of the filter screen, so the sludge at both ends of the filter screen is easy to accumulate. SUMMARY

[0006] The utility model discloses a wastewater treatment device for black pig farm provides above -mentioned problem in prior art, sets up the scraper board of vertical placement on the filter screen top, and the electric push rod connected on the scraper board will push the scraper board and carry out the scraping of sludge on the filter screen, and the sludge after scraping will be accumulated in the arc filter screen connected between the filter screen and the box, and the auger is arranged, and the solid waste is discharged through the auger, and the rotary scraper board is arranged above the arc filter screen and the box side wall junction, and the rotary scraper board can scrape the solid waste remaining in the arc filter screen, can guarantee that the device will not appear sludge accumulation, guarantees wastewater treatment efficiency.

[0007] The utility model provides the following technical scheme: a wastewater treatment device for black pig farm, characterized by including the box, the box is provided with the filter screen of inclination, the top of filter screen is provided with the scraper board of vertical placement, the scraper board is connected with electric push rod, electric push rod is parallel to filter screen and one end is connected on the box side wall,

[0008] The lower end of the filter screen is connected with an arc-shaped filter screen, and the other end of the arc-shaped filter screen is connected to the side wall of the box.

[0009] The upper side of the junction of the arc-shaped filter screen and the side wall of the box is provided with a rotary scraper plate, the rotary scraper plate is connected with a power assembly for driving the rotation thereof, and the power assembly is fixed to the side wall of the box.

[0010] The box is provided with a movable groove for the rotation of the rotary scraper plate, and an auger is connected to the side wall of the movable groove.

[0011] Preferably, a sealing element is arranged between the electric push rod and the box.

[0012] Preferably, the sealing element between the electric push rod and the box is a sealing ring.

[0013] Preferably, a fixing element is arranged at one end of the connection between the filter screen and the box, and a fixing element is arranged at one end of the connection between the arc-shaped filter screen and the box.

[0014] Preferably, a grating for the preliminary filtration of wastewater is arranged at the water inlet of the box, a water outlet is arranged at the bottom of the box, a drainage plate for guiding the flow of wastewater to the filter screen is arranged between the grating and the filter screen, the drainage plate is connected to the side wall of the box, and a storage tank is connected to the output end of the auger.

[0015] Preferably, the power assembly comprises a driving shaft, a fixed seat, a speed reducer motor and a bearing, the rotary scraper plate is connected to the driving shaft, and thus connected to the power assembly, the speed reducer motor is connected to the fixed seat, the output end of the speed reducer motor is connected to the driving shaft, the end portion of the driving shaft is rotationally connected to the fixed seat through the bearing, and the fixed seat is connected to the side wall of the box.

[0016] Preferably, the rotating scraper rotates to the vertical state, and the top end thereof is in contact with the intersection of the movable groove and the box.

[0017] The beneficial effects of the utility model are: the utility model discloses a scraper vertically placed on the filter screen, and the scraper is connected with an electric push rod, and the electric push rod pushes the scraper to scrape off the sludge on the filter screen, so that the whole filter screen can be scraped off, the filter screen is prevented from being blocked, and the filter screen is connected with an arc-shaped filter screen at the lower end, the sludge scraped off from the filter screen is temporarily placed in the arc-shaped filter screen, and then transported to the outside through an auger, a rotating scraper is arranged above the connecting position of the arc-shaped filter screen and the side wall of the box, the rotating scraper rotates to scrape off the residual sludge in the arc-shaped filter screen, so that the accumulation of sludge in the device is prevented, and the wastewater treatment efficiency is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the structural schematic diagram of the utility model;

[0019] Figure 2 It is the structural schematic diagram of the rotating scraper and the power assembly of the utility model;

[0020] In the drawing: 1. box, 2. grating, 3. scraper, 4. rotating scraper, 5. electric push rod, 6. sealing element, 7. filter screen, 8. fixing element, 9. arc-shaped filter screen, 10. movable groove, 11. auger, 12. storage groove, 13. power assembly, 14. water outlet, 15. driving shaft, 16. fixed seat, 17. speed reducer motor, 18. bearing, 19. drainage plate. DETAILED DESCRIPTION

[0021] The principle and features of the utility model are described below, and the examples are only used for explaining the utility model, and not for limiting the scope of the utility model.

[0022] As shown in the drawings, the present embodiment provides a kind of black pig farm wastewater treatment device, including box 1, be provided with the filter screen 7 of inclination in box 1, the effective filtration of wastewater sludge can be realized by filter screen 7.The upper portion of filter screen 7 is provided with vertically placed scraper 3, scraper 3 is connected with electric push rod 5, electric push rod 5 is parallel to filter screen 7 and one end is connected on the side wall of box 1, electric push rod 5 can push scraper 3, so that scraper 3 removes the sludge accumulated on filter screen 7;The lower end of filter screen 7 is connected with arc filter screen 9, the other end of arc filter screen 9 is connected on the side wall of box 1, arc filter screen 9 is used to temporarily store the sludge removed;The upper portion of the side wall connection of arc filter screen 9 and box 1 is provided with rotary scraper 4, rotary scraper 4 is connected with power assembly 13 for driving it to rotate, power assembly 13 is fixed on the side wall of box 1, box 1 is provided with movable slot 10 for the rotation of rotary scraper 4, the side wall of movable slot 10 is connected with auger 11, when wastewater filtration is completed, the sludge on filter screen 7 removed by scraper 3 falls into arc filter screen 9, at this time, start auger 11 to extract the sludge in arc filter screen 9, after most of the sludge is extracted, there will inevitably be some sludge remaining on arc filter screen 9, at this time, start power assembly 13, so that rotary scraper 4 rotates, and the sludge remaining on arc filter screen 9 is scraped off.

[0023] Sealing element 6 is provided between electric push rod 5 and box 1, which is a sealing ring, to ensure effective sealing at electric push rod 5, effectively prevent wastewater leakage, and ensure normal operation of the equipment.

[0024] One end of filter screen 7 connected with box 1 is provided with fixing element 8, one end of arc filter screen 9 connected with box 1 is provided with fixing element 8, and fixing element 8 ensures the fixation of filter screen 7 and arc filter screen 9.

[0025] A drain grate 2 for initial filtration of wastewater is provided at the water inlet of box 1 to remove larger suspended solids in the wastewater, and a water outlet 14 for discharging filtered wastewater is provided at the bottom of box 1, a drainage plate 19 for controlling the flow direction of wastewater to ensure that the wastewater flows to filter screen 7 is provided between drain grate 2 and filter screen 7, drainage plate 19 is connected to the side wall of box 1, and a storage tank 12 for storing sludge is connected to the output end of auger 11.

[0026] In another embodiment of the present application, power assembly 13 includes a drive shaft 15, a fixed seat 16, a speed reducer motor 17 and a bearing 18, rotary scraper 4 is connected to drive shaft 15, and then connected to power assembly 13, speed reducer motor 17 is connected to fixed seat 16, the output end of speed reducer motor 17 is connected to drive shaft 15, the end of drive shaft 15 is rotatably connected to fixed seat 16 through bearing 18, fixed seat 16 is connected to the side wall of box 1, and speed reducer motor 17 is started, drive shaft 15 is powered to start rotating, and then drives rotary scraper 4 to rotate.

[0027] In another embodiment of the utility model, when the rotary scraper 4 rotates to the vertical state, the top end thereof is in contact with the intersection of the movable groove 10 and the box body 1. During the wastewater filtering process, the rotary scraper 4 always keeps in the vertical state, which can ensure the wastewater to flow to the filter screen 7 and the arc-shaped filter screen 9 and not to flow into the movable groove 10, effectively prevent the sludge from accumulating in the movable groove 10 to form a dead angle which is difficult to clean, and ensure the wastewater filtering effect.

[0028] In actual use, when the wastewater passes through the filter screen 7, the sludge is left in the filter screen 7. The electric push rod 5 is started to push the scraper 3 to slide from the upper end of the inclined filter screen 7 to the lower end of the filter screen 7. While the scraper 3 slides down along the filter screen 7, the sludge on the filter screen 7 is scraped off. The scraped sludge falls into the arc-shaped filter screen 9 connected to the lower end of the filter screen 7. The sludge is temporarily accumulated in the arc-shaped filter screen 9. The auger 11 is started to draw out the sludge on the arc-shaped filter screen 9. Then, the power assembly 13 is started to rotate the rotary scraper 4 to scrape off the sludge remaining in the arc-shaped filter screen 9.

[0029] The device effectively prevents the filter screen 7 from being blocked, ensures that there is no accumulated sludge in the device, and ensures the wastewater treatment efficiency.

[0030] The above is only the preferred embodiment of the utility model and does not limit the utility model. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model shall be included in the protection scope of the utility model.

Claims

1. A black pig farm wastewater treatment apparatus, characterized by, The utility model provides a kind of waste water treatment device, including box (1), the box (1) is provided with inclined filter screen (7), the upper portion of the filter screen (7) is provided with vertically placed scraper (3), the scraper (3) is connected with electric push rod (5), the electric push rod (5) is parallel to filter screen (7) and one end is connected on the side wall of box (1); The lower end of the filter screen (7) is connected with arc filter screen (9), the other end of the arc filter screen (9) is connected to the side wall of the box (1); The upper portion of the arc filter screen (9) is provided with rotary scraper (4) at the connection of the side wall of the box (1), the rotary scraper (4) is connected with power assembly (13) for driving its rotation, and the power assembly (13) is fixed on the side wall of the box (1); The box (1) is provided with a movable groove (10) for the rotation of the rotary scraper (4), and the movable groove (10) is connected with an auger (11) on the side wall.

2. The wastewater treatment device for a black pig farm according to claim 1, characterized in that, A sealing member (6) is provided between the electric push rod (5) and the box (1).

3. The wastewater treatment device for a black pig farm according to claim 2, characterized in that, The sealing member (6) between the electric push rod (5) and the box (1) is a sealing ring.

4. The waste water treatment apparatus for black pig farm according to claim 1, wherein One end of the filter screen (7) connected with the box (1) is provided with a fixing member (8), and one end of the arc filter screen (9) connected with the box (1) is provided with a fixing member (8).

5. The wastewater treatment apparatus for a black pig farm according to claim 1, characterized in that, A grating (2) for preliminary filtration of waste water is provided at the water inlet of the box (1), and a water outlet (14) is provided at the bottom of the box (1). A drainage plate (19) is provided between the grating (2) and the filter screen (7) to guide the flow of waste water to the filter screen (7), the drainage plate (19) is connected to the side wall of the box (1), and the output end of the auger (11) is connected with a storage tank (12).

6. The wastewater treatment apparatus for a black pig farm according to claim 1, characterized in that, The power assembly (13) includes a drive shaft (15), a fixed seat (16), a reduction motor (17), and a bearing (18). The rotary scraper (4) is connected to the drive shaft (15) and then connected to the power assembly (13). The reduction motor (17) is connected to the fixed seat (16). The output end of the reduction motor (17) is connected to the drive shaft (15). The end of the drive shaft (15) is rotatably connected to the fixed seat (16) through the bearing (18). The fixed seat (16) is connected to the side wall of the box (1).

7. The wastewater treatment apparatus for a black pig farm according to claim 1, characterized in that, When the rotary scraper (4) rotates to the vertical state, the top end thereof is in contact with the intersection of the movable groove (10) and the box (1).

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