Domestic sewage recovery pretreatment device

Abstract

The utility model discloses a domestic sewage recycling pretreatment device which comprises a barrel and an annular brush, a top cover is fixedly mounted at the top end of the barrel through bolts, a limiting ring is arranged in the middle of the inner wall of the barrel, a mounting ring is placed at the top end of the limiting ring, and a coarse filter screen is fixedly connected to the top end of the mounting ring. Vibration motors are fixedly installed at the two ends of the top end of the coarse filter screen, a fine filter screen is fixedly connected to the bottom end of the installation ring, a gear motor is fixedly installed on one side of the top end of the top cover, a lead screw is rotationally connected to one side of the bottom end of the top cover through a first bearing, and a stroke block is connected to the surface of the lead screw in a threaded and sleeved mode. The vibration motor is arranged to drive the filter screen to vibrate, so that accumulated solid particles are dispersed, the situation that meshes are blocked to affect circulation of water is avoided, and the annular brush and the flushing nozzle are arranged to brush and flush the inner top of the barrel so as to clean particulate matters adhered to domestic sewage.

Description

Technical Field

[0001] The utility model relates to the technical field of sewage treatment, in particular to a domestic sewage recovery pretreatment device. Background Art

[0002] Domestic sewage refers to sewage generated by residents' daily life activities, including washing water, bath water, kitchen waste water, etc. discharged from households and public facilities.

[0003] When recycling domestic sewage, solid particles in the water need to be pre-filtered to improve treatment efficiency and protect subsequent treatment equipment. However, the existing domestic sewage pretreatment devices have the following disadvantages:

[0004] After working for a long time, the filter surface of the existing domestic sewage pretreatment device is easily blocked by accumulated particles, which affects the flow of water and is inconvenient to disassemble and clean;

[0005] The inner wall of the existing pretreatment device is easy to adhere to particulate matter in domestic sewage, lacks a self-cleaning structure, and is not convenient to use. Utility Model Content

[0006] The purpose of the utility model is to provide a domestic sewage recovery pretreatment device to solve the problems of the existing domestic sewage pretreatment device mentioned in the above background technology, that is, after working for a long time, the filter surface is easily blocked by accumulated particles, affecting the circulation of water, and it is inconvenient to disassemble and clean, the inner wall of the pretreatment device is easy to adhere to the particles in the domestic sewage, there is a lack of self-cleaning structure, and the convenience of use is poor.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a domestic sewage recovery pretreatment device, comprising a cylinder and an annular brush, a top cover is fixedly installed on the top of the cylinder by bolts, a limiting ring is provided in the middle of the inner wall of the cylinder, a mounting ring is placed on the top of the limiting ring, a coarse filter screen is fixedly connected to the top of the mounting ring, a vibration motor is fixedly installed at both ends of the top of the coarse filter screen, a fine filter screen is fixedly connected to the bottom end of the mounting ring, a reduction motor is fixedly installed on one side of the top of the top cover, a lead screw is rotatably connected to one side of the bottom end of the top cover through a bearing, a travel block is threadedly sleeved on the surface of the lead screw, and the travel block is fixedly connected to one side of the inner wall of the annular brush, a mounting seat is fixedly connected to the middle of both sides of the cylinder, and limiting grooves are provided on both sides of the mounting ring.

[0008] When using a domestic sewage recovery pretreatment device of the present technical solution, a vibration motor is provided to drive the filter to vibrate, thereby dispersing the accumulated solid particles to avoid clogging the mesh and affecting the circulation of water. An annular brush and a flushing nozzle are provided to scrub and flush the top of the cylinder to clean the particles in the adhering domestic sewage.

[0009] As a preferred technical solution of the utility model, a threaded rod is threadedly connected to the middle of the mounting seat, one end of the threaded rod is rotatably connected to a limiter through a second bearing, the other end of the threaded rod is fixedly connected to a knob, both ends of the limiter are slidably connected to the inner wall of the mounting seat, and the inner wall of the limit groove is engaged with the limiter. The limiter is engaged in the limit groove to lock the position of the mounting ring.

[0010] As a preferred technical solution of the utility model, a guide cylinder is fixedly connected to the side of the inner wall of the annular brush away from the travel block, and a guide rod is fixedly connected to the side of the bottom end of the top cover away from the lead screw, and the guide cylinder is sleeved on the surface of the guide rod. The guide cylinder and guide rod can guide the movement of the annular brush.

[0011] As a preferred technical solution of the utility model, the top of the cylinder is fixedly connected with a water inlet pipe, and the bottom of the cylinder is fixedly connected with a water outlet pipe. The water inlet pipe and the water outlet pipe are respectively used for inputting domestic sewage and outputting filtered water.

[0012] As a preferred technical solution of the utility model, the output end of the reduction motor is fixedly connected to the top end of the lead screw, and both sides of the top end of the top cover are fixedly connected with handles. The provided handles facilitate the movement of the top cover.

[0013] As a preferred technical solution of the utility model, both ends of the surface of the lead screw and both ends of the surface of the guide rod are fixedly connected with limit blocks. The set limit blocks play a role in limiting the downward movement of the travel block and the guide cylinder.

[0014] As a preferred technical solution of the utility model, both sides of the top of the coarse filter are fixedly connected with hanging rings, which are convenient for hooking up the screen to lift it up.

[0015] As a preferred technical solution of the utility model, three legs are fixedly connected to the bottom of the cylinder, and the arranged legs play a role of supporting and lifting the cylinder.

[0016] As a preferred technical solution of the utility model, the bottom end of the top cover is fixedly connected to an annular tube, the bottom end of the annular tube is fixedly connected to a plurality of flushing nozzles, one end of the top end of the top cover is fixedly connected to a water inlet joint, and the bottom end of the water inlet joint is connected to the inside of the annular tube. A plurality of flushing nozzles are provided for flushing the inner wall of the cylinder.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] A coarse filter is provided inside the pretreatment device to filter larger solid particles to reduce the filtering pressure of the fine filter. A vibration motor is provided to drive the filter to vibrate so as to disperse the accumulated solid particles to avoid clogging the mesh and affecting the water circulation. After opening the top cover, the filter structure is easy and quick to disassemble, which is conducive to cleaning.

[0019] 2. After the pretreatment device is finished working, the reduction motor is started to drive the lead screw to rotate. Under the guidance of the guide cylinder and the guide rod, the travel block and the annular brush can move vertically, so that the top of the cylinder can be brushed to clean the particles in the adhered domestic sewage. At the same time, the cleaning liquid is connected from the water inlet joint and sprayed from several flushing nozzles under the annular pipe to clean the inner wall of the cylinder, thereby making the cleaning work more convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a three-dimensional diagram of the utility model;

[0021] Figure 2 It is a cross-sectional view of the utility model;

[0022] Figure 3 It is an enlarged view of part A of the utility model;

[0023] Figure 4 It is a stereoscopic diagram of the installation ring of the utility model.

[0024] In the figure: 1. Cylinder; 2. Top cover; 3. Reducer motor; 4. Lead screw; 5. Travel block; 6. Annular brush; 7. Guide rod; 8. Guide cylinder; 9. Limit block; 10. Mounting ring; 11. Limit groove; 12. Coarse filter; 13. Fine filter; 14. Mounting seat; 15. Threaded rod; 16. Knob; 17. Limit piece; 18. Lifting ring; 19. Vibrating motor; 20. Water inlet pipe; 21. Water outlet pipe; 22. Leg; 23. Handle; 24. Limit ring; 25. Annular pipe; 26. Flushing nozzle; 27. Water inlet joint. DETAILED DESCRIPTION

[0025] 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.

[0026] See also Figure 1-4The utility model provides a domestic sewage recovery pretreatment device, including a cylinder 1 and an annular brush 6. A top cover 2 is fixedly installed on the top of the cylinder 1 by bolts to play a sealing role. A limiting ring 24 is provided in the middle of the inner wall of the cylinder 1 to play a receiving role. A mounting ring 10 is placed on the top of the limiting ring 24. A coarse filter screen 12 is fixedly connected to the top of the mounting ring 10. Vibrating motors 19 are fixedly installed at both ends of the top of the coarse filter screen 12. A fine filter screen 13 is fixedly connected to the bottom end of the mounting ring 10 to filter particulate matter in domestic sewage. A reduction motor 3 is fixedly installed on one side of the top of the top cover 2. A lead screw 4 is rotatably connected to one side of the bottom end of the top cover 2 through a bearing. A travel block 5 is threadedly sleeved on the surface of the lead screw 4, and the travel block 5 is fixedly connected to one side of the inner wall of the annular brush 6 to play a cleaning role. Mounting seats 14 are fixedly connected to the middle of both sides of the cylinder 1, and limiting grooves 11 are provided on both sides of the mounting ring 10.

[0027] When in use, a coarse filter 12 and a fine filter 13 are arranged inside the pretreatment device. The coarse filter 12 is used to filter larger solid particles to reduce the filtering pressure of the fine filter 13, and a vibration motor 19 is arranged at the filter. After starting, the filter can be driven to vibrate to disperse the accumulated solid particles to avoid clogging the mesh and affecting the circulation of water.

[0028] A threaded rod 15 is threadedly connected to the middle part of the mounting seat 14, one end of the threaded rod 15 is rotatably connected to a limiting member 17 through a second bearing, and the other end of the threaded rod 15 is fixedly connected to a knob 16 for easy operation. Both ends of the limiting member 17 are slidably connected to the inner wall of the mounting seat 14, and the inner wall of the limiting groove 11 is engaged with the limiting member 17 to play a locking role. The top of the cylinder 1 is fixedly connected to a water inlet pipe 20, and the bottom end of the cylinder 1 is fixedly connected to a water outlet pipe 21 for water circulation. Both sides of the top of the coarse filter 12 are fixedly connected to hanging rings 18 for easy operation.

[0029] When in use, the domestic sewage to be treated is input into the cylinder 1 from the water inlet pipe 20. After pre-filtration treatment through the coarse filter 12 and the fine filter 13, the filtered water will be discharged from the lower water outlet pipe 21. After opening the top cover 2, the threaded rod 15 is driven to rotate by turning the knobs 16 on both sides of the cylinder 1, so that the limiting members 17 on both sides can move horizontally and straightly, so that they are out of the limiting grooves 11 on both sides of the mounting ring 10, and the locking of the mounting ring 10 can be released. The lifting ring 18 can be lifted to disassemble the filter structure, which is convenient and quick and easy to clean.

[0030] A guide cylinder 8 is fixedly connected to the side of the inner wall of the annular brush 6 away from the stroke block 5, a guide rod 7 is fixedly connected to the side of the bottom end of the top cover 2 away from the screw 4, and the guide cylinder 8 is sleeved on the surface of the guide rod 7 to play a guiding role, both ends of the surface of the screw 4 and the two ends of the surface of the guide rod 7 are fixedly connected to limit blocks 9 to play a mobile limit role, the output end of the reduction motor 3 is fixedly connected to the top of the screw 4 for driving, both sides of the top of the top cover 2 are fixedly connected to handles 23 for easy operation, three legs 22 are fixedly connected to the bottom of the cylinder 1 to play a supporting role, the bottom end of the top cover 2 is fixedly connected to an annular tube 25, the bottom end of the annular tube 25 is fixedly connected to a number of flushing nozzles 26, one end of the top end of the top cover 2 is fixedly connected to a water inlet joint 27, and the bottom end of the water inlet joint 27 is connected to the inside of the annular tube 25 for inputting cleaning liquid.

[0031] When in use, the support legs 22 are used to support and lift the cylinder 1 to provide space for the setting of the water outlet pipe 21. After the pretreatment device is finished working, the reduction motor 3 is started to drive the screw 4 to rotate. Under the guidance of the guide cylinder 8 and the guide rod 7, the travel block 5 and the annular brush 6 can move vertically, so that the top of the cylinder 1 can be brushed to clean the particles in the adhered domestic sewage. At the same time, the cleaning liquid is connected from the water inlet joint 27 and sprayed from several flushing nozzles 26 under the annular tube 25 to clean the inner wall of the cylinder 1. The limit block 9 sets a limit to the downward movement of the travel block 5 and the guide cylinder 8. After removing the bolts, the top cover 2 can be easily moved with the help of the handle 23.

[0032] When used specifically, the utility model is a domestic sewage recovery pretreatment device, which inputs the domestic sewage to be treated from the water inlet pipe 20 into the cylinder 1. A coarse filter 12 and a fine filter 13 are arranged inside the pretreatment device. The coarse filter 12 is used to filter solid particles with a larger volume to reduce the filtering pressure of the fine filter 13, and a vibration motor 19 is arranged at the filter. After starting, the filter can be driven to vibrate so as to disperse the accumulated solid particles to avoid clogging the mesh and affecting the circulation of water. After opening the top cover 2, the knobs 16 on both sides of the cylinder 1 are turned to drive the threaded rod 15 to rotate, so that the limit members 17 on both sides can move horizontally and linearly to make them separate from the mounting ring 10. The limit grooves 11 on both sides can be used to disassemble the filter structure, which is convenient and fast for cleaning. The filtered water after pre-filtration treatment by the coarse filter 12 and the fine filter 13 will be discharged from the lower water outlet pipe 21. After the pre-treatment device is finished working, the reduction motor 3 is started to drive the screw 4 to rotate. Under the guidance of the guide cylinder 8 and the guide rod 7, the travel block 5 and the annular brush 6 can move vertically, so that the top of the cylinder 1 can be brushed to clean the particles in the adhered domestic sewage. At the same time, the cleaning liquid is connected from the water inlet joint 27 and sprayed from the several flushing nozzles 26 under the annular pipe 25 to clean the inner wall of the cylinder 1, thereby making the cleaning work more convenient.

[0033] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A domestic sewage recovery pretreatment device, comprising a cylinder (1) and an annular brush (6), characterized in that: A top cover (2) is fixedly mounted on the top of the cylinder (1) by means of bolts, a limiting ring (24) is provided in the middle of the inner wall of the cylinder (1), a mounting ring (10) is placed on the top of the limiting ring (24), a coarse filter (12) is fixedly connected to the top of the mounting ring (10), a vibration motor (19) is fixedly mounted on both ends of the top of the coarse filter (12), a fine filter (13) is fixedly connected to the bottom of the mounting ring (10), a reduction motor (3) is fixedly mounted on one side of the top of the top cover (2), a lead screw (4) is rotatably connected to one side of the bottom of the top cover (2) via a bearing, a travel block (5) is threadedly sleeved on the surface of the lead screw (4), and the travel block (5) is fixedly connected to one side of the inner wall of the annular brush (6), a mounting seat (14) is fixedly connected to the middle of both sides of the cylinder (1), and limiting grooves (11) are provided on both sides of the mounting ring (10).

2. A domestic sewage recovery pretreatment device according to claim 1, characterized in that: A threaded rod (15) is threadedly connected to the middle of the mounting seat (14); one end of the threaded rod (15) is rotatably connected to a limiting member (17) via a second bearing; the other end of the threaded rod (15) is fixedly connected to a knob (16); both ends of the limiting member (17) are slidably connected to the inner wall of the mounting seat (14); and the inner wall of the limiting groove (11) is engaged with the limiting member (17).

3. A domestic sewage recovery pretreatment device according to claim 1, characterized in that: A guide cylinder (8) is fixedly connected to the inner wall of the annular brush (6) on a side away from the travel block (5), a guide rod (7) is fixedly connected to the bottom end of the top cover (2) on a side away from the lead screw (4), and the guide cylinder (8) is sleeved on the surface of the guide rod (7).

4. A domestic sewage recovery pretreatment device according to claim 1, characterized in that: The top of the cylinder (1) is fixedly connected to a water inlet pipe (20), and the bottom of the cylinder (1) is fixedly connected to a water outlet pipe (21).

5. A domestic sewage recovery pretreatment device according to claim 1, characterized in that: The output end of the reduction motor (3) is fixedly connected to the top end of the lead screw (4), and handles (23) are fixedly connected to both sides of the top end of the top cover (2).

6. A domestic sewage recovery pretreatment device according to claim 3, characterized in that: Both ends of the surface of the lead screw (4) and both ends of the surface of the guide rod (7) are fixedly connected to limit blocks (9).

7. A domestic sewage recovery pretreatment device according to claim 1, characterized in that: Both sides of the top of the coarse filter screen (12) are fixedly connected with hanging rings (18).

8. A domestic sewage recovery pretreatment device according to claim 1, characterized in that: Three supporting legs (22) are fixedly connected to the bottom of the cylinder (1).

9. A domestic sewage recovery pretreatment device according to claim 1, characterized in that: The bottom end of the top cover (2) is fixedly connected to an annular tube (25), the bottom end of the annular tube (25) is fixedly connected to a plurality of flushing nozzles (26), one end of the top end of the top cover (2) is fixedly connected to a water inlet joint (27), and the bottom end of the water inlet joint (27) is connected to the inside of the annular tube (25).

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