CN112093937A

CN112093937A - Centrifuge for sewage treatment

Info

Publication number: CN112093937A
Application number: CN202010995099.9A
Authority: CN
Inventors: 安凌云; 孟雷超
Original assignee: Qinghai Nationalities University
Current assignee: Qinghai Nationalities University
Priority date: 2020-09-21
Filing date: 2020-09-21
Publication date: 2020-12-18
Anticipated expiration: 2040-09-21
Also published as: CN112093937B

Abstract

The invention discloses a centrifuge for sewage treatment, and belongs to the technical field of centrifuges. A centrifugal machine for sewage treatment comprises a base and a box body, wherein a water collecting cavity is arranged on the box body, a motor is fixedly connected in the box body, a crankshaft and a first belt wheel are fixedly connected with the output end of the motor, a rotating shaft is rotatably connected to the inner wall of the box body, a stirring gear and a barrel roll are fixedly connected to the rotating shaft, a piston cylinder is fixedly connected to the inner wall of the box body, a push plate is slidably connected to the inner wall of the piston cylinder, a push rod is rotatably connected to the outer wall of the push plate, one end of the push rod, which is far away from the push plate, is rotatably connected to the crankshaft, a feed pipe and a discharge pipe are; the invention can quickly purify and separate the sewage sample, is convenient for experimenters to sample the separated solid and liquid, and improves the experimental efficiency.

Description

Centrifuge for sewage treatment

Technical Field

The invention relates to the technical field of centrifuges, in particular to a centrifuge for sewage treatment.

Background

The centrifugal machine is a machine for separating components in liquid and solid particles or a mixture of liquid and liquid by utilizing centrifugal force, and is mainly used for separating the solid particles from the liquid in suspension or separating two liquids which have different densities and are not mutually soluble in emulsion; it can also be used to remove liquids from wet solids, such as by spin drying clothes in a washing machine; the special overspeed tubular separator can also separate gas mixtures with different densities; some settling centrifuges can also grade solid particles according to density or granularity by utilizing the characteristic that solid particles with different densities or granularities have different settling speeds in liquid.

At present, sewage treatment needs to be carried out by a plurality of processes for solid-liquid separation, so that sewage is changed into pure water, the process is too complicated, and the centrifuge for sewage treatment is too low in economic applicability and wastes time and labor for laboratory experimenters, so that the centrifuge for sewage treatment is provided.

Disclosure of Invention

The invention aims to solve the problem that in the prior art, a sewage treatment process is complicated, time-consuming and labor-consuming and is inconvenient for experimenters to use, and provides a centrifuge for sewage treatment.

In order to achieve the purpose, the invention adopts the following technical scheme:

a centrifuge for sewage treatment comprises a base and a box body, wherein a water collecting cavity is arranged on the box body, a motor is fixedly connected in the box body, the output end of the motor is fixedly connected with a crankshaft and a first belt wheel, the inner wall of the box body is rotationally connected with a rotating shaft, the rotating shaft is fixedly connected with a stirring gear and a drum, the inner wall of the box body is fixedly connected with a piston cylinder, the inner wall of the piston cylinder is connected with a push plate in a sliding way, the outer wall of the push plate is connected with a push rod in a rotating way, one end of the push rod, which is far away from the push plate, is connected on the crankshaft in a rotating way, the piston cylinder is provided with a feed pipe and a discharge pipe, the feed pipe and the discharge pipe are both provided with one-way valves, the box body is provided with a protective cover which is arranged above the drum, the outer wall of the bottom of the protective cover is fixedly connected with a fixed rod, the one end fixedly connected with clear sediment bucket that the visor was kept away from to the dead lever, be equipped with vibrations mechanism between visor and the pulley.

Preferably, the vibration mechanism comprises a first bump and a telescopic rod, the first bump is fixedly connected to the inner wall of the drum, the telescopic rod is fixedly connected to the outer wall of the fixed rod, a second bump is fixedly connected to one end, far away from the fixed rod, of the telescopic rod, a restoring spring is sleeved on the telescopic rod, two ends of the restoring spring respectively abut against the fixed rod and the second bump, and the second bump is matched with the first bump.

Preferably, the rotating shaft is fixedly connected with a second belt wheel, and the second belt wheel is connected with the first belt wheel through a belt.

Preferably, the base is slidably connected with a moving block, the outer wall of the moving block is rotatably connected with a connecting rod, and one end, far away from the moving block, of the connecting rod is rotatably connected to the bottom of the box body.

Preferably, the inner wall of the base is rotatably connected with a prying plate, the outer wall of the prying plate is provided with a protection pad, the protection pad is attached to the outer wall of the box body, and one end, far away from the protection pad, of the prying plate is abutted to the outer wall of the moving block.

Preferably, a slide way is arranged on the base, and a slide block is arranged at the bottom of the moving block and is connected in the slide way in a sliding manner.

Preferably, the outer wall of the protective cover is fixedly connected with a handle, the protective cover is provided with a water inlet, and the water inlet is in threaded connection with a sealing cover.

Preferably, the outer wall of the box body is fixedly connected with a water pump, a through hole is formed in the bottom of the water collecting cavity, and a filtering tank is connected to the inner thread of the through hole.

Preferably, the outer wall of the box body is fixedly connected with a flocculating agent box, one end, far away from the piston cylinder, of the feeding pipe is communicated with the flocculating agent box, and one end, far away from the piston cylinder, of the discharging pipe is communicated with the water collecting cavity.

Preferably, the base bottom fixedly connected with stabilizing shaft, the last sliding connection of stabilizing shaft has the stabilizer bar, the stabilizer bar both ends are equipped with the gyro wheel, stabilizing shaft has cup jointed damping spring, the damping spring both ends offset with stabilizing shaft and stabilizer bar respectively.

Compared with the prior art, the invention provides a centrifuge for sewage treatment, which has the following beneficial effects:

1. this centrifuge for sewage treatment, the starter motor, the motor drives bent axle and first band pulley and rotates, first band pulley passes through the belt and drives the second band pulley and rotate, epaxial stirring tooth and the rotary drum is rotatory simultaneously, open the sealed lid on the water inlet, pour sewage into the rotary drum in, the high-speed rotation of rotary drum carries out solid-liquid separation to sewage, solid particle after the separation stays in the clear slag barrel, the rivers of separation go into the water-collecting cavity, when the rotary drum is rotatory, second lug and first lug striking on the telescopic link produce the vibration, residue in the filter hole on the rotary drum is cleared up.

2. According to the centrifuge for sewage treatment, when the roller barrel is used for carrying out solid-liquid separation on sewage, the crankshaft drives the push plate to reciprocate in the piston cylinder, the piston cylinder sends an additive in the flocculating agent box into the water collecting cavity, the stirring teeth enable water and the additive to be fully mixed together, and after the solid-liquid separation is completed, the motor is turned off to enable the water mixed with the additive to be statically precipitated.

3. This centrifuge for sewage treatment, after closing the motor, utilize the handle to mention the visor, make the sediment bucket shift out from the rotary drum, clear up the solid waste in the sediment bucket and retrieve, water after static a period, unnecessary impurity deposits in the bottom that catchments the chamber, the water purification utilizes the water pump to take the water purification of the intracavity that catchments out on catchmenting the chamber, the impurity that the bottom was deposited is discharged after filtering the jar filtration, impurity after the filtration stays in filtering the jar, take off filtering the jar and will filter the interior precipitate of jar and clear away.

The parts which are not involved in the device are the same as or can be realized by adopting the prior art, the device can quickly purify and separate the sewage sample, is convenient for experimenters to sample the separated solid and liquid, and improves the experimental efficiency.

Drawings

FIG. 1 is a schematic structural diagram of a centrifuge for sewage treatment according to the present invention;

FIG. 2 is a schematic structural view of part A of FIG. 1 of a centrifuge for sewage treatment according to the present invention;

FIG. 3 is a schematic structural diagram of a portion B in FIG. 1 of a centrifuge for sewage treatment according to the present invention;

FIG. 4 is a schematic structural diagram of a box body of a sewage treatment centrifuge, according to the present invention;

FIG. 5 is a schematic structural diagram of a centrifuge protection cover for sewage treatment according to the present invention;

FIG. 6 is a left side view of a centrifuge for sewage treatment according to the present invention;

FIG. 7 is a top view of a centrifuge for wastewater treatment according to the present invention;

fig. 8 is a schematic structural diagram of a first bump and a second bump of a centrifuge for sewage treatment according to the present invention.

In the figure: 1. a base; 101. a slideway; 102. a pry plate; 103. a protection pad; 2. a stabilizing shaft; 201. a damping spring; 202. a stabilizer bar; 203. a roller; 3. a moving block; 301. a connecting rod; 302. a slider; 4. a box body; 401. a water collection cavity; 5. a motor; 6. a crankshaft; 7. a first pulley; 8. a rotating shaft; 801. a second pulley; 802. stirring teeth; 9. rolling a barrel; 901. a first bump; 10. a piston cylinder; 11. pushing the plate; 12. a push rod; 13. a feed pipe; 14. a discharge pipe; 15. a one-way valve; 16. a flocculant box; 17. a filter tank; 18. a water pump; 19. a protective cover; 1901. a handle; 1902. a water inlet; 1903. a sealing cover; 1904. fixing the rod; 20. a telescopic rod; 21. a return spring; 22. a second bump; 23. a slag removal barrel.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Example 1:

referring to fig. 1-8, a centrifuge for sewage treatment comprises a base 1 and a box 4, a water collecting cavity 401 is arranged on the box 4, a motor 5 is fixedly connected in the box 4, an output end of the motor 5 is fixedly connected with a crankshaft 6 and a first belt wheel 7, a rotating shaft 8 is rotatably connected with the inner wall of the box 4, a stirring tooth 802 and a rolling barrel 9 are fixedly connected on the rotating shaft 8, a piston cylinder 10 is fixedly connected with the inner wall of the box 4, a push plate 11 is slidably connected with the inner wall of the piston cylinder 10, a push rod 12 is rotatably connected with the outer wall of the push plate 11, one end of the push rod 12 far away from the push plate 11 is rotatably connected on the crankshaft 6, a feed pipe 13 and a discharge pipe 14 are arranged on the piston cylinder 10, check valves 15 are respectively arranged on the feed pipe 13 and the discharge pipe 14, a protective cover 19 is arranged on the box 4, a vibration mechanism is arranged between the protective cover 19 and the drum 9.

Vibrations mechanism includes first lug 901 and telescopic link 20, first lug 901 fixed connection at the inner wall of rotary drum 9, and telescopic link 20 fixed connection is at the outer wall of dead lever 1904, and telescopic link 20 keeps away from the one end fixedly connected with second lug 22 of dead lever 1904, has cup jointed recovery spring 21 on the telescopic link 20, and recovery spring 21 both ends offset with dead lever 1904 and second lug 22 respectively, second lug 22 and first lug 901 phase-match.

The rotating shaft 8 is fixedly connected with a second belt wheel 801, and the second belt wheel 801 is connected with the first belt wheel 7 through a belt.

The base 1 is connected with a moving block 3 in a sliding mode, the outer wall of the moving block 3 is connected with a connecting rod 301 in a rotating mode, and one end, far away from the moving block 3, of the connecting rod 301 is connected to the bottom of the box body 4 in a rotating mode.

The inner wall of the base 1 is rotatably connected with a pry plate 102, the outer wall of the pry plate 102 is provided with a protection pad 103, the protection pad 103 is attached to the outer wall of the box body 4, and one end, far away from the protection pad 103, of the pry plate 102 is abutted to the outer wall of the moving block 3.

The base 1 is provided with a slideway 101, the bottom of the moving block 3 is provided with a sliding block 302, and the sliding block 302 is connected in the slideway 101 in a sliding manner.

The outer wall of the protective cover 19 is fixedly connected with a handle 1901, a water inlet 1902 is formed in the protective cover 19, and a sealing cover 1903 is connected to the water inlet 1902 in a threaded manner.

The outer wall fixedly connected with water pump 18 of box 4, the through-hole has been seted up to the chamber 401 bottom that catchments, and through-hole female connection has filter jar 17.

The outer wall fixedly connected with flocculating agent case 16 of box 4, the one end that piston cylinder 10 was kept away from to inlet pipe 13 is linked together with flocculating agent case 16, and the one end that piston cylinder 10 was kept away from to discharging pipe 14 is linked together with water collecting cavity 401.

The base 1 bottom fixedly connected with stabilizes axle 2, and the sliding connection has stabilizer bar 202 on stabilizing axle 2, and stabilizer bar 202 both ends are equipped with gyro wheel 203, have cup jointed damping spring 201 on stabilizing axle 2, and damping spring 201 both ends offset with stabilizing axle 2 and stabilizer bar 202 respectively.

In the invention, a motor 5 is started, the motor 5 drives a crankshaft 6 and a first belt pulley 7 to rotate, the first belt pulley 7 drives a second belt pulley 801 to rotate through a belt, a stirring gear 802 on a rotating shaft 8 and a roller 9 rotate simultaneously, a sealing cover 1903 on a water inlet 1902 is opened, sewage is poured into the roller 9, the roller 9 rotates at a high speed to carry out solid-liquid separation on the sewage, separated solid particles are left in a slag cleaning barrel 23, separated water flows into a water collecting cavity 401, and when the roller 9 rotates, a second lug 22 on a telescopic rod 20 collides with the first lug 901 to generate vibration, so that residues in a filtering hole on the roller 9 are cleaned.

When the roller 9 is used for carrying out solid-liquid separation on sewage, the crankshaft 6 drives the push plate 11 to reciprocate in the piston cylinder 10, the piston cylinder 10 sends the additive in the flocculating agent box 16 into the water collecting cavity 401, the stirring teeth 802 enable water and the additive to be fully mixed together, and after the solid-liquid separation is finished, the motor 5 is turned off to enable the water mixed with the additive to be statically precipitated.

After the motor 5 is turned off, the protective cover 19 is lifted by the handle 1901, the slag removing barrel 23 is moved out of the drum 9, solid garbage in the slag removing barrel 23 is cleaned and recovered, water after standing for a period of time is deposited at the bottom of the water collecting cavity 401, redundant impurities are deposited on the upper surface of the water collecting cavity 401, purified water in the water collecting cavity 401 is pumped out by the water pump 18, the impurities deposited at the bottom are filtered by the filter tank 17 and then discharged, the filtered impurities are left in the filter tank 17, and the filter tank 17 is taken down to remove sediments in the filter tank 17.

Example 2:

The sewage treatment device is basically the same as that in the embodiment 1, further, when the rolling barrel 9 performs solid-liquid separation on sewage, the box body 4 can vibrate due to centrifugal force, the moving block 3 cannot approach to the middle due to the limitation of the slide way 101, the vibrating box body 4 can drive the moving block 3 to slide towards two sides, when the moving block 3 moves towards two sides, the moving block 3 applies force to the prying plate 102, one end of the prying plate 102 with the protection pad 103 can clamp and fix the box body 4, the roller 203 on the stabilizer bar 202 facilitates the movement of equipment, and the damping spring 201 can ensure the stability of the box body 4 in the moving process of the equipment.

The invention can quickly purify and separate the sewage sample, is convenient for experimenters to sample the separated solid and liquid, and improves the experimental efficiency.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The utility model provides a centrifuge for sewage treatment, includes base (1) and box (4), its characterized in that, be equipped with water collecting cavity (401) on box (4), fixedly connected with motor (5) in box (4), motor (5) output end fixedly connected with bent axle (6) and first band pulley (7), box (4) inner wall rotates and is connected with pivot (8), fixedly connected with stirring tooth (802) and barrel (9) on pivot (8), box (4) inner wall fixedly connected with piston cylinder (10), piston cylinder (10) inner wall sliding connection has push pedal (11), push pedal (11) outer wall rotates and is connected with push rod (12), the one end rotation that push pedal (11) were kept away from in push rod (12) is connected on bent axle (6), be equipped with inlet pipe (13) and discharging pipe (14) on piston cylinder (10), all be equipped with check valve (15) on inlet pipe (13) and discharging pipe (14), be equipped with visor (19) on box (4), the top of pulley (9) is arranged in visor (19), visor (19) bottom outer wall fixedly connected with dead lever (1904), the clear sediment bucket of one end fixedly connected with (23) of visor (19) is kept away from in dead lever (1904), be equipped with vibrations mechanism between visor (19) and pulley (9).

2. The centrifuge for sewage treatment according to claim 1, wherein the vibration mechanism comprises a first protrusion (901) and a telescopic rod (20), the first protrusion (901) is fixedly connected to an inner wall of the drum (9), the telescopic rod (20) is fixedly connected to an outer wall of the fixing rod (1904), a second protrusion (22) is fixedly connected to one end of the telescopic rod (20) far away from the fixing rod (1904), a restoring spring (21) is sleeved on the telescopic rod (20), two ends of the restoring spring (21) respectively abut against the fixing rod (1904) and the second protrusion (22), and the second protrusion (22) is matched with the first protrusion (901).

3. A centrifuge for sewage treatment according to claim 1, characterized in that a second belt wheel (801) is fixedly connected to the rotating shaft (8), and the second belt wheel (801) is connected with the first belt wheel (7) through a belt.

4. The centrifuge for sewage treatment according to claim 1, wherein a moving block (3) is connected to the base (1) in a sliding manner, a connecting rod (301) is connected to the outer wall of the moving block (3) in a rotating manner, and one end, far away from the moving block (3), of the connecting rod (301) is connected to the bottom of the box body (4) in a rotating manner.

5. The centrifuge for sewage treatment according to claim 4, wherein a prying plate (102) is rotatably connected to the inner wall of the base (1), a protection pad (103) is arranged on the outer wall of the prying plate (102), the protection pad (103) is attached to the outer wall of the box body (4), and one end of the prying plate (102) far away from the protection pad (103) abuts against the outer wall of the moving block (3).

6. The centrifuge for sewage treatment according to claim 4, wherein a slide way (101) is arranged on the base (1), a slide block (302) is arranged at the bottom of the moving block (3), and the slide block (302) is slidably connected in the slide way (101).

7. The centrifuge for sewage treatment according to claim 1, wherein a handle (1901) is fixedly connected to an outer wall of the protective cover (19), a water inlet (1902) is formed in the protective cover (19), and a sealing cover (1903) is in threaded connection with the water inlet (1902).

8. The centrifuge for sewage treatment according to claim 1, wherein a water pump (18) is fixedly connected to the outer wall of the box body (4), a through hole is formed in the bottom of the water collecting cavity (401), and a filtering tank (17) is connected to the through hole in a threaded manner.

9. The centrifuge for sewage treatment according to claim 8, wherein a flocculant box (16) is fixedly connected to the outer wall of the box body (4), one end of the feeding pipe (13) far away from the piston cylinder (10) is communicated with the flocculant box (16), and one end of the discharging pipe (14) far away from the piston cylinder (10) is communicated with the water collecting cavity (401).

10. The centrifuge for sewage treatment according to claim 1, wherein a stabilizing shaft (2) is fixedly connected to the bottom of the base (1), a stabilizer bar (202) is slidably connected to the stabilizing shaft (2), rollers (203) are arranged at two ends of the stabilizer bar (202), a damping spring (201) is sleeved on the stabilizing shaft (2), and two ends of the damping spring (201) respectively abut against the stabilizing shaft (2) and the stabilizer bar (202).