CN109731630B

CN109731630B - Cutting device on sludge pump

Info

Publication number: CN109731630B
Application number: CN201811616652.2A
Authority: CN
Inventors: 汪慧敏
Original assignee: Zongyang Zhongbang Technology Information Consulting Co ltd
Current assignee: Anhui Shengshi Datang Chemical Equipment Group Co ltd
Priority date: 2018-12-27
Filing date: 2018-12-27
Publication date: 2021-07-23
Anticipated expiration: 2038-12-27
Also published as: CN109731630A; CN112024039A

Abstract

The invention provides a cutting device on a sludge pump, and belongs to the technical field of fluid machinery. It has solved the technical problem such as pasture and water winding when current silt pump is handling silt. A cutting device on a sludge pump comprises a base, wherein a pipeline with a channel inside is fixedly arranged on the base, the cutting device comprises a shell, a cutter frame, a motor and a fixed frame, the fixed frame is fixedly arranged in the pipeline, the shell is fixedly arranged on one side of the fixed frame, a first cavity is arranged in the shell, and a plurality of inlets communicated with the first cavity are formed in one side of the shell; the other side of the shell is provided with a plurality of outlets communicated with the first cavity, the motor is fixedly arranged in the fixed frame, the knife rest is fixedly arranged on an output shaft of the motor and is positioned in the shell, and the knife rest is internally provided with a second cavity. The invention has the advantages of preventing the waterweeds from being involved in the equipment and influencing the use.

Description

Cutting device on sludge pump

Technical Field

The invention belongs to the technical field of fluid machinery, relates to a sludge pump, and particularly relates to a cutting device on the sludge pump.

Background

Under normal conditions, the pond is kept with 10-20 cm of sludge, which is beneficial to culture production; if the water quality exceeds the limit, the water body is reduced, the oxygen consumption of the pond is increased, the pond-flooding accident is easy to be caused, and meanwhile, fish diseases are easy to be induced.

Therefore, the elimination of excessive sludge is a very important technical link. However, because of the large and difficult labor amount of dredging, many production units are not treated, and the thicker the pond sludge is, the more the production capacity is reduced obviously, and the operation of the aquaculture launching is also not facilitated. This is most often the case in farms that grow fish for more than 10 years without dredging, and some old ponds are more serious.

However, because excess nutrition exists in the sludge, a lot of waterweeds usually grow in the sludge, and the waterweeds have high toughness and can be involved in machinery, so that the machinery cannot normally run.

Disclosure of Invention

The invention aims to solve the problems in the prior art and provides a cutting device on a sludge pump, which has the advantages of preventing waterweeds from being involved in equipment and influencing the use.

The purpose of the invention can be realized by the following technical scheme: a cutting device on a sludge pump comprises a base, wherein a pipeline with a channel inside is fixedly arranged on the base, the cutting device comprises a shell, a cutter frame, a motor and a fixed frame, the fixed frame is fixedly arranged in the pipeline, the shell is fixedly arranged on one side of the fixed frame, a first cavity is arranged in the shell, and a plurality of inlets communicated with the first cavity are formed in one side of the shell; the other side of the shell is provided with a plurality of outlets communicated with the first cavity, the motor is fixedly arranged in the fixed frame, the knife rest is fixedly arranged on an output shaft of the motor and is positioned in the shell, the knife rest is internally provided with a second cavity, the knife rest is provided with a plurality of cutting openings corresponding to the inlet of the shell, and the cutting openings are communicated with the second cavity; cutting edge department of knife rest all set firmly cutting blade one, knife rest circumference on the surface a plurality of rectangle exchange holes have been seted up, casing and knife rest between form the cavity, the knife rest on set firmly cutting blade two, cutting blade two is located the cavity, cutting blade two sets up along knife rest circumference surface.

The working principle of the device is as follows: when the waterweeds in the sludge enter the shell, the motor is started, the motor drives the cutter frame to rotate, the cutter frame drives the first cutting blade and the second cutting blade to rotate, and the waterweeds are cut up when passing through the cutter frame. The aquatic weeds can be completely cut up through the first cutting blade and the second cutting blade, and the aquatic weeds are not worried about to be wound on the aquatic weeds.

The passageway on set up the maintenance mouth that is used for changing the knife rest, the maintenance mouth on articulated have a maintenance door, the maintenance door on set firmly the sealing washer. The arrangement of the maintenance door can facilitate the replacement of the knife rest or the cleaning when the knife rest is blocked.

The casing constitute by first half casing and lower half casing, lower half casing set firmly in the pipeline, first half casing can dismantle and set firmly on second half casing. The knife rest can be easily replaced or maintained by disassembling the upper half shell.

The shell and the tool rest are both cylindrical.

The lower part of the tool rest is provided with a circular boss, a circular groove is formed in the shell, and the boss is matched with the groove. The boss is matched with the groove, so that the tool rest is prevented from being inclined when rotating. The cutting blade is placed in collision with the housing.

The first cutting blade is triangular. The first cutting blade is triangular, and the first cutting blade is provided with an inclined edge, so that aquatic weeds can be better cut.

The first cutting blade and the second cutting blade are made of martensitic stainless steel. The martensite stainless steel has better wear resistance and corrosion resistance, and can ensure that the cutter has longer service life.

And a plurality of reinforcing ribs are fixedly arranged in the tool rest. The deformation of the tool holder due to a large impact is prevented when sludge enters the housing.

Compared with the prior art, the invention has the following advantages:

1. when the waterweeds in the sludge enter the shell, the motor is started, the motor drives the cutter frame to rotate, the cutter frame drives the first cutting blade and the second cutting blade to rotate, and the waterweeds are cut up when passing through the cutter frame. The aquatic weeds can be completely cut up through the first cutting blade and the second cutting blade, and the aquatic weeds are not worried about to be wound on the aquatic weeds.

2. The arrangement of the maintenance door can facilitate the replacement of the knife rest or the cleaning when the knife rest is blocked.

Drawings

FIG. 1 is a schematic view of a sludge pump for river channel cleaning.

FIG. 2 is a schematic view of a dewatering collection apparatus.

Fig. 3 is a schematic view of a cutting device.

Fig. 4 is a schematic view of a pulverizing apparatus.

In the figure, 1, a base; 2. a pipeline; 3. a first motor; 4. an impeller; 5. a hose; 6. a housing; 7. a tool holder; 8. a second motor; 9. a fixed frame; 10. a first rotating shaft; 11. a second rotating shaft; 12. a rotating shaft III; 13. a rotating shaft IV; 13a, a motor III; 13b, a motor IV; 14. a conveyor belt; 15. a first filter layer; 16. a second filter layer; 17. a hydraulic cylinder; 18. scraping a blade; 19. a baffle plate; 20. water collecting tank

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

As shown in fig. 1 to 4, a sludge pump for river channel cleaning comprises a base 1, a pipeline 2 with a channel inside is fixedly arranged on the base 1, a motor I3 is fixedly arranged on one side of the pipeline 2, an output shaft of the motor I3 is horizontally arranged, an impeller 4 is fixedly arranged on an output shaft of the motor I3, the impeller 4 is positioned in the pipeline 2, and a cutting device for cutting aquatic plants and a crushing device for crushing sandstone are sequentially arranged in the pipeline 2; a hose 5 is fixed at the other end of the pipeline 2, one end of the hose 5 is communicated with the pipeline 2, and a first filter screen is fixedly arranged at the other end of the hose 5; one side of the base 1 is also provided with a dewatering and collecting device for sludge dewatering.

A flow detector is fixedly arranged in the pipeline 2, a controller is fixedly arranged on the base 1, and the flow detector is connected with the controller through a control circuit. Whether the pipe 2 is clogged or not can be monitored by the flow rate detector.

The number of the blades of the impeller 4 is four, and the thickness of the blades is 1-1.5 cm. The number of the blades is small, so that the exchange efficiency can be increased, the removal efficiency of the sludge is improved, and the thick blades can be used for preventing the sludge from bending the blades or deforming the blades when passing through the blades.

A vibration motor is fixedly arranged on the first filter screen, and a waterproof shell is sleeved outside the vibration motor. Set up shock dynamo on filter screen one, can avoid small-size particulate matter or stone to block up filter screen one, will block up the thing of filter screen one through the mode of vibrations and get rid of.

One end of the hose 5 is a mud inlet, the other end of the hose 5 is a mud outlet, the mud inlet is positioned at one end of the filter screen, a cylinder is fixedly arranged in the mud inlet, a plurality of blades are fixedly arranged on the circumferential surface of the cylinder, and the number of the blades in the embodiment is four. The roots of aquatic weeds are usually arranged at the bottom of a river channel, the aquatic weeds are tough plants and often wound on equipment, so that the equipment cannot normally operate, the reason is to prevent the hose 5 from being wound by the aquatic weeds, the hose 5 is prevented from being torn off in the moving process, and the blades can directly cut off the aquatic weeds wound on the hose in the moving process.

The blade is triangular, and the tip of the blade is far away from the mud inlet. Is beneficial to the cutting off of the aquatic weeds by the blade.

One end of the filter screen of the hose 5 is fixedly provided with a negative weight block. The negative weight can better help one end of the hose 5 to enter the sludge, and the removal efficiency is improved.

The cutting device comprises a shell 6, a knife rest 7, a second motor 8 and a fixed frame 9, the fixed frame 9 is fixedly arranged in the pipeline 2, the shell 6 is fixedly arranged on one side of the fixed frame 9, a first cavity is formed in the shell 6, and a plurality of inlets communicated with the first cavity are formed in one side of the shell 6; the other side of the shell 6 is provided with an outlet communicated with the first cavity, the motor II 8 is fixedly arranged in the fixed frame 9, the knife rest 7 is fixedly arranged on an output shaft of the motor II 8, the knife rest 7 is positioned in the shell 6, the knife rest 7 is internally provided with a second cavity, the knife rest 7 is provided with a plurality of cutting openings corresponding to the inlet of the shell 6, and the cutting openings are communicated with the second cavity; cutting edge department of knife rest 7 all sets firmly cutting blade one, and a plurality of rectangle exchange holes have been seted up on 7 circumference surfaces of knife rest, forms the cavity between casing 6 and the knife rest 7, has set firmly cutting blade two on the knife rest 7, and cutting blade two is located the cavity, and cutting blade two sets up along 7 circumference surfaces of knife rest.

Offer the maintenance mouth that is used for changing knife rest 7 on the passageway, articulated on the maintenance mouth have a maintenance door, set firmly the sealing washer on the maintenance door. The arrangement of the maintenance door can facilitate the replacement of the knife rest 7 or the cleaning when the knife rest is blocked.

The shell 6 comprises upper half shell 6 and lower half shell 6, and lower half shell 6 sets firmly in pipeline 2, and upper half shell 6 can dismantle and set firmly on lower half shell 6. The knife rest 7 can be easily replaced or repaired by disassembling the upper half shell 6.

The housing 6 and the tool holder 7 are both cylindrical.

The lower part of the tool rest 7 is provided with a circular boss, a circular groove is arranged in the shell 6, and the boss is matched with the groove. The matching of the boss and the groove ensures that the tool rest 7 cannot be inclined when rotating. The cutting blade is placed in collision against the housing 6.

A plurality of reinforcing ribs are fixedly arranged in the tool rest 7. Deformation of the tool holder 7 due to a large impact is prevented when sludge enters the housing 6.

The crushing device comprises a plurality of crushing assemblies, the number of the total crushing assemblies in the embodiment is two, each crushing assembly comprises a first rotating shaft 10 and a second rotating shaft 11, the first rotating shaft 10 and the second rotating shaft 11 are parallel to each other, a first crushing roller is coaxially fixed on the first rotating shaft 10, the first crushing roller is positioned in the middle of the first rotating shaft 10, a second crushing roller and a third crushing roller are coaxially fixed on the second rotating shaft 11, the second crushing roller and the third crushing roller are positioned at two ends of the second rotating shaft 11, a third rotating shaft 12 and a fourth rotating shaft 13 are sequentially and correspondingly arranged on the first rotating shaft 10 and the second rotating shaft 11, a fourth crushing roller corresponding to the first rotating shaft 10 is coaxially fixed on the third rotating shaft 12, and a fifth crushing roller and a sixth crushing roller corresponding to the second rotating shaft 11 are coaxially fixed on the fourth rotating shaft 13; the third rotating shaft 12 and the fourth rotating shaft 13 are fixedly arranged in the pipeline 2; a first gear is coaxially fixed on the first rotating shaft 10, a second gear is coaxially fixed on the third rotating shaft 12, the first gear is meshed with the second gear, and the first rotating shaft 10 is driven by a second motor 8; a third gear is coaxially fixed on the second rotating shaft 11, a fourth gear is coaxially fixed on the fourth rotating shaft 13, the third gear is meshed with the fourth gear, and the second rotating shaft 11 is driven by a second motor 8. The sand and stone in the sludge are crushed through the crushing roller I, the crushing roller II, the crushing roller III, the crushing roller IV, the crushing roller V and the crushing roller VI, so that the large sand and stone are prevented from entering the impeller 4, and the impeller 4 is prevented from being damaged.

And the first crushing roller, the second crushing roller, the third crushing roller and the fourth crushing roller are all provided with concave-convex grains. The design of concave-convex lines can lead the sand stone to be crushed more easily.

The dewatering and collecting device comprises a first roller and a second roller, the first roller and the second roller are arranged on the base 1 in a circumferential rotating and axial fixing mode and are parallel to each other, the first roller is driven by a fifth motor, a conveying belt 14 is sleeved on the first roller and the second roller, a plurality of water outlet holes are uniformly distributed in the conveying belt 14, one end of the conveying belt 14 is an input end, the other end of the conveying belt 14 is an output end, a sludge box is fixedly arranged on one side of the output end, a first filtering layer 15 and a second filtering layer 16 are sequentially arranged in the middle of the sludge box, and a first water outlet pipe communicated with the inside of the sludge box is fixedly arranged at the bottom of the sludge box; a sludge outlet is formed in the sludge box and is positioned on one side of the filter screen II; and a mud scraping mechanism for scraping mud is also arranged in the mud box.

A second filter screen is fixedly arranged on the first filter layer 15, a third filter screen is fixedly arranged on the second filter layer 16, a first mesh is arranged on the second filter screen, a second mesh is arranged on the third filter screen, and the first mesh is larger than the second mesh. Through the two-layer filtering arrangement, the good sludge can be screened out, and meanwhile, the moisture in the sludge is removed.

The second filter layer 16 is obliquely arranged, and an oblique angle is formed between the second filter layer 16 and the first filter layer 15 and is 30 degrees. The inclined arrangement of the second filter layer 16 can facilitate the collection of the sludge.

The mud scraping mechanism comprises a hydraulic cylinder 17 and a scraping blade 18, the hydraulic cylinder 17 is fixedly arranged outside the mud box, an output shaft of the hydraulic cylinder 17 is arranged along the direction of the filter screen, the scraping blade 18 is fixedly arranged at the end part of the output shaft of the hydraulic cylinder 17, and the lower part of the scraping blade 18 is abutted against the filter screen. Sludge on the second filter layer 16 can be scraped off and collected by the doctor blade 18.

The diameter of the water outlet hole is 3-5 mm.

The two sides of the conveying belt 14 are provided with baffle plates 19, and the baffle plates 19 are fixedly arranged on the base 1. The design of the baffle 19 prevents sludge from falling out of both sides.

The lower part of the conveying belt 14 is fixedly provided with a water collecting tank 20, and a first water outlet pipe is connected with the water collecting tank 20. The water collection sump 20 may collect water from the sludge and then drain back into the river.

And a second water outlet pipe is fixedly arranged on one side of the water collecting tank 20 and is communicated with the outside.

The first filter layer 15 and the second filter layer 16 are fixedly provided with vibrators. The vibrator can effectively avoid the blockage of meshes on the second filter screen and the third filter screen.

The working principle of the invention is as follows: the method comprises the steps of placing a hose 5 in a river channel to be thrown, sinking the hose 5 in water of the river channel and sinking to the bottom, starting a motor I3, driving an impeller 4 to rotate by the motor I3, sucking water bottom sludge directly through the hose 5, starting a motor II 8 when waterweeds in the sludge enter a shell 6, driving a cutter frame 7 to rotate by the motor II 8, driving a cutter frame 7 to rotate by the cutter frame 7, cutting the waterweeds in the sludge when the waterweeds pass through the cutter frame 7, preventing the waterweeds from winding on machinery, crushing gravels in the sludge when the sludge passes through a crushing device, finally conveying the sludge into a dehydration collection device, primarily dehydrating the sludge through a filter belt, conveying the sludge into a sludge box, screening the fine sludge in the sludge through a filter layer I15, conveying the fine screened sludge into a filter layer II 16, and removing water in the sludge through a filter layer II 16, the sludge in the layer is then sent out from the sludge outlet by the sludge scraper head. This equipment can be fine select better silt as fertilizer, through the moisture of detaching in the silt, can collect more silt removing the silt in-process, reduces the weight of silt, improves collection efficiency.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.

Claims

1. A cutting device on a sludge pump comprises a base, wherein a pipeline with a channel inside is fixedly arranged on the base, the cutting device comprises a shell, a cutter frame, a motor and a fixed frame, the fixed frame is fixedly arranged in the pipeline, the shell is fixedly arranged on one side of the fixed frame, a first cavity is arranged in the shell, and a plurality of inlets communicated with the first cavity are formed in one side of the shell; the other side of the shell is provided with a plurality of outlets communicated with the first cavity, the motor is fixedly arranged in the fixed frame, the knife rest is fixedly arranged on an output shaft of the motor and is positioned in the shell, the knife rest is internally provided with a second cavity, the knife rest is provided with a plurality of cutting openings corresponding to the inlet of the shell, and the cutting openings are communicated with the second cavity; cutting edge department of knife rest all set firmly cutting blade one, knife rest circumference on the surface a plurality of rectangle exchange holes have been seted up, casing and knife rest between form the cavity, the knife rest on set firmly cutting blade two, cutting blade two is located the cavity, cutting blade two sets up along knife rest circumference surface.

2. The cutting device for a sludge pump as claimed in claim 1, wherein the channel is provided with a maintenance opening for replacing the tool rest, the maintenance opening is hinged with a maintenance door, and the maintenance door is fixedly provided with a sealing ring.

3. The apparatus for cutting a sludge pump according to claim 1, wherein the casing is composed of an upper half casing and a lower half casing, the lower half casing is fixedly installed in the pipeline, and the upper half casing is detachably fixed to the lower half casing.

4. The apparatus for cutting a sludge pump according to claim 1, wherein the housing and the cutter holder are each cylindrical.

5. The apparatus as claimed in claim 1, wherein the cutter holder has a circular boss at a lower portion thereof, and a circular recess is formed in the housing, the boss being fitted with the recess.

6. The apparatus for cutting a sludge pump according to claim 1, wherein the first cutting blade has a triangular shape.

7. The apparatus as claimed in claim 1, wherein the first and second cutting blades are made of martensitic stainless steel.

8. The apparatus for cutting a sludge pump according to claim 1, wherein a plurality of reinforcing ribs are fixedly provided in the cutter frame.