CN218357858U

CN218357858U - Front-mounted filter device of sand pump

Info

Publication number: CN218357858U
Application number: CN202021933741.2U
Authority: CN
Inventors: 杨思丹
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-07
Filing date: 2020-09-07
Publication date: 2023-01-24
Anticipated expiration: 2030-09-07

Abstract

The utility model discloses a leading filter equipment of sand pump, including filter equipment body and sand pump, the filter equipment body includes the connecting pipe, connecting pipe one end is equipped with out the water flange, and one end is equipped with the flange of intaking, and it is equipped with the filter screen to go out water flange department, it is connected with the water inlet of sand pump to go out the water flange, a plurality of archs of connecting pipe inner chamber surface distribution, two adjacent archs crisscross settings each other around, fixed a plurality of barbs on every arch, the flange department of intaking is connected with the filter mantle. The utility model discloses effectually prevent that a large amount of cotton-shaped debris from being inhaled the sand pump, cause the impeller in the sand pump to be blocked and die, cause the motor to be burnt out, the danger of the fried shell of pump case.

Description

Front-mounted filter device of sand pump

Technical Field

The utility model relates to a fluid conveying field, concretely relates to leading filter equipment of sand pump.

Background

The sand pump is widely applied to the pollution discharge of various industries such as municipal engineering, environmental protection, pollution control, river channel dredging, power plant ash removal, chemical industry, metallurgy, mine and the like. The main impeller adopted by the existing sand pump structure is arranged on a motor rotor, the impeller is positioned in a pump shell, the main impeller sucks slurry below the main impeller and then centrifugally discharges the slurry to a lateral outlet, the slurry is easily doped with flocculent impurities, stones or sludge balls with large sizes, particularly, after the flocculent impurities are sucked into the pump shell, the impeller is easily clamped, and the motor is burnt out.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a leading filter equipment of sand pump for solve a large amount of flocculent debris and inhaled the sand pump, cause the impeller to be blocked died in the sand pump, cause the motor to be burnt out, the danger of the fried shell of pump case.

In order to solve the technical problem, the utility model discloses a following scheme:

the utility model provides a leading filter equipment of sand pump, includes filter equipment body and sand pump, the filter equipment body includes the connecting pipe, connecting pipe one end is equipped with out the water flange, and one end is equipped with into water flange, and it is equipped with the filter screen to go out water flange department, it is connected with the water inlet of sand pump to go out the water flange, a plurality of archs of connecting pipe inner chamber surface distribution, two adjacent protruding crisscross settings each other around.

Due to the adoption of the structure, the water outlet flange at one end of the connecting pipe is connected with the water inlet of the sand pump, the water inlet of the sand pump is arranged as a water inlet flange, the two flanges are fixed through bolts, the surface of the inner cavity of the connecting pipe is welded with the plurality of bulges, the front and the rear adjacent bulges are arranged in a staggered manner, so that the middle area in the connecting pipe can not be completely communicated, when sludge and dirt enter from the inlet of the connecting pipe due to the suction force of the sand pump, the flocculent sundries in the connecting pipe are intercepted by the bulges, some large sludge and dirt can be broken in the contact process with the bulges due to the action of the suction force of the sand pump to be broken into smaller rigid sundries or can be directly clamped in the gaps between the bulges, other sewage and sludge can flow into the sand pump from the gaps between the bulges, the filter screen further filters the flocculent or bulky sundries remained in the sludge and the sewage before entering the sand pump, so that the sludge and dirt entering the sand pump can not contain a large amount of bulky sundries or bulky sundries, the risk of burning of a motor due to jamming of the sand pump is reduced, and the working risk of a pump shell is effectively reduced, and the normal working risk of the sand pump shell is ensured.

Further, as a preferred technical scheme, the diameter of the inner cavity in the middle of the connecting pipe is larger than the diameters of the inner cavities at two ends.

By adopting the structure, the pipe diameter of the middle part of the connecting pipe is larger than the pipe diameters of the two ends, sludge enters the large-caliber pipeline through the small-caliber pipe, the flow speed of fluid can be buffered, the pressure can be reduced, the sludge enters the small-caliber pipeline from the large-caliber pipeline after being filtered by the inner bulge, the fluid pressure and the flow speed can be increased, the filtered fluid can quickly enter the sand pump, and the working efficiency is improved.

Further, as a preferred technical scheme, the connecting pipe is divided into two symmetrical semicircular pipe pieces, and the edge of each semicircular pipe piece is provided with a boss along the length direction.

Owing to adopt above-mentioned structure, the connecting pipe is separated into the semi-circular section of jurisdiction of two symmetries, and the connecting pipe of being convenient for uses the back for a long time, can swiftly convenient take apart the connecting pipe, clears up inside debris, guarantees the filter effect of connecting pipe and the operating efficiency of sand pump, and semi-circular section of jurisdiction edge length direction is provided with the boss, can conveniently fix two semi-circular sections of jurisdiction.

Further, as a preferred technical scheme, the bottom surface of the boss and the bottom surface of the semicircular pipe piece are the same plane.

Due to the adoption of the structure, the bottom surface of the boss and the bottom surface of the semicircular duct piece are in the same plane, so that after the connecting pipe is disassembled and folded and fixed again, the fixing is tighter, and the sewage leakage is prevented.

Further, as a preferred technical scheme, a through hole is formed in the boss.

Due to the adoption of the structure, the through holes are formed in the bosses, so that bolts can conveniently and directly penetrate through the corresponding bosses on the edges of the two semicircular duct pieces, the disassembly and the re-closure are more convenient and quick, and the time is saved.

Furthermore, as a preferred technical scheme, an annular rubber ring is arranged between the water outlet flange of the connecting pipe and the water inlet of the sand pump.

Due to the adoption of the structure, the annular rubber ring is arranged between the water outlet flange of the connecting pipe and the water inlet of the sand pump, and the annular rubber ring can effectively prevent sewage leakage.

Further, as preferred technical scheme, be equipped with the rubber pad between two semicircular segment contact surfaces, and rubber pad and contact surface phase-match.

Due to the adoption of the structure, the rubber pads are arranged between the contact surfaces of the two semicircular duct pieces and are matched with the contact surfaces, when the two semicircular duct pieces are closed again, the rubber pads matched with the contact surfaces are arranged between the contact surfaces, and sewage leakage is effectively prevented.

Further, as a preferred technical solution, the protrusion is conical or cylindrical.

By adopting the structure, the bulge is conical or cylindrical, so that the resistance of fluid in the connecting pipe can be reduced, and the smooth circulation of sludge is ensured.

Furthermore, the water inlet flange is connected with a filter cover, and the filter cover is used for primarily filtering the sludge and sewage.

The utility model discloses beneficial effect who has:

1. the play water flange of connecting pipe one end links together with the sand pump water inlet, through the bolt fastening, connecting pipe inner chamber skin weld has the arch of a plurality of crisscross settings in front and back, when mud filth etc. pass through from the connecting pipe, flocculent debris wherein are by protruding interception, some great mud groups are when protruding, because the effect of sand pump suction, break away by the arch, some great hard matters also can be broken with bellied contact in-process, become less hard matters, or direct card is in the gap between the arch, the filter screen of export flange department further intercepts flocculent debris or bulky debris, make the difficult card impeller that dies of mud filth in the entering sand pump, cause the motor to burn out, also the risk of the fried shell of effectual reduction pump case, guarantee the normal work of sand pump.

2. Utilize the connecting pipe as filter equipment, simple to operate, direct mount is at sand pump water inlet, simple structure.

3. The filtering cover connected with the water inlet flange performs primary filtering on the sludge and sewage.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 isbase:Sub>A sectional view taken along line A-A;

fig. 3 is a perspective view of a semicircular segment.

Reference numerals: 1-sand pump, 2-connecting pipe, 3-bulge, 4-water outlet flange, 5-annular rubber ring, 6-sand pump water inlet, 7-rubber pad, 8-boss, 9-through hole, 10-semicircular pipe piece, 11-water inlet flange, 12-filter cover and 13-filter screen.

Detailed Description

The present invention will be described in further detail with reference to the following examples and drawings, but the present invention is not limited thereto.

Examples

As shown in fig. 1 and fig. 2, the front filter device of the sand pump comprises a filter device body and a sand pump 1, and is characterized in that the filter device body comprises a connecting pipe 2, one end of the connecting pipe 2 is provided with a water outlet flange 4, one end of the connecting pipe is provided with a water inlet flange 11, a filter screen 13 is arranged at the position of the water outlet flange 4, the water outlet flange 4 is connected with a water inlet 6 of the sand pump, a plurality of protrusions 3 are distributed on the surface of an inner cavity of the connecting pipe 2, and the front protrusion 3 and the rear protrusion 3 are arranged in a staggered mode.

Specifically, a water outlet flange 4 at one end of a connecting pipe 2 is connected with a water inlet 6 of a sand pump, an annular rubber ring 5 is arranged between the water outlet flange 4 of the connecting pipe 5 and the water inlet 6 of the sand pump, the annular rubber ring 5 can effectively prevent sewage leakage, the two flanges are fixed through bolts, a plurality of bulges 3 are welded on the surface of the inner cavity of the connecting pipe 2, the bulges 3 are conical or cylindrical, and are directly welded on the surface of the inner cavity of the connecting pipe 2 to ensure that the bulges do not fall off after long-time use, stainless steel materials can be adopted, corrosion resistance is realized, the service life of the connecting pipe is prolonged, the two adjacent bulges 3 at the front and the back are arranged in a mutually staggered mode, so that the middle area in the connecting pipe 2 can not be completely switched on, when sludge and dirt enter from the water inlet of the connecting pipe 2 due to the suction force of the sand pump, most of large volume or floccules are preliminarily filtered through a filter cover 12, and after the impurities enter the connecting pipe 2, wherein, the remaining flocculent sundries are intercepted by the bulges, in order to further improve the intercepting effect to the flocculent, a plurality of barbs can be fixed on each bulge 3, when some larger sludge groups pass through the bulges 3, the larger sludge groups are scattered by the bulges 3 under the action of the pumping force of the sand pump, and some larger hard matters can be broken in the contact process with the bulges 3 to become smaller hard matters or directly clamped in the gaps between the bulges 3, and the rest sewage sludge flows away from the gaps between the bulges 3 to enter the sand pump, before entering the sand pump, the filter screen 13 further filters the remaining flocculent or bulky sundries in the sludge sewage, so that the sludge dirt entering the sand pump can not contain a large amount of bulky impurities or flocculent, the sludge dirt entering the sand pump 1 can not be blocked easily, the impeller can be burnt by the motor, and the risk of shell explosion can be effectively reduced, the normal work of the sand pump 1 is ensured.

The diameter of the inner cavity in the middle of the connecting pipe 2 is larger than the diameter of the inner cavities at two ends.

Specifically, the pipe diameter at the middle part of the connecting pipe 2 is larger than the pipe diameters at the two ends, sludge enters the large-caliber pipeline through the small-caliber pipe, the flow speed and the reduced pressure of fluid can be buffered, the sludge enters the small-caliber pipeline from the large-caliber pipeline after being filtered through the inner bulge, the fluid pressure and the flow speed are increased, the filtered fluid can quickly enter the sand pump 1, and the working efficiency is improved.

As shown in fig. 3, the connecting pipe 2 is divided into two symmetrical semicircular pipe pieces 10, a rubber pad 7 is arranged between the contact surfaces of the two semicircular pipe pieces 10, and the rubber pad 7 is matched with the contact surfaces; the edge of the semicircular duct piece 10 is provided with a boss 8 along the length direction, the bottom surface of the boss 8 and the bottom surface of the semicircular duct piece 10 are the same plane, and the boss 8 is provided with a through hole 9.

Specifically, the connecting pipe 2 is divided into two symmetrical semicircular duct pieces 10, after the connecting pipe 2 is convenient to use for a long time, the connecting pipe 2 can be quickly and conveniently disassembled to clean internal sundries, a rubber pad 7 is arranged between contact surfaces of the two semicircular duct pieces 10, the rubber pad 7 is matched with the contact surfaces, when the two semicircular duct pieces 10 are folded again, the rubber pad 7 matched with the contact surfaces is arranged between the contact surfaces, sewage leakage is effectively prevented, a boss 8 is arranged at the edge of each semicircular duct piece 10 along the length direction, the two semicircular duct pieces 10 are conveniently fixed through the boss 8, the bottom surface of the boss 8 is the same plane with the bottom surface of each semicircular duct piece 10, when the connecting pipe 2 is disassembled, the two semicircular duct pieces are folded and fixed again, the fixing is more convenient and quick, sewage leakage is prevented, a through hole 9 is formed in the boss 8, a bolt can conveniently and directly penetrate through the corresponding boss 8 on the edges of the two semicircular duct pieces 10, the bolt is tightened, the two semicircular duct pieces 10 are folded and fixed, the disassembly and the folding are more convenient and quick, and the cleaning of the sundries in the connecting pipe is also convenient and tight cleaning.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and the technical essence of the present invention is that within the spirit and principle of the present invention, any simple modification, equivalent replacement, and improvement made to the above embodiments are all within the protection scope of the technical solution of the present invention.

Claims

1. The utility model provides a leading filter equipment of sand pump, includes filter equipment body and sand pump (1), its characterized in that, the filter equipment body includes connecting pipe (2), connecting pipe (2) one end is equipped with out water flange (4), and one end is equipped with into water flange (11), and play water flange (4) department is equipped with filter screen (13), it is connected with water inlet (6) of sand pump to go out water flange (4), a plurality of archs (3) of connecting pipe (2) inner chamber surface distribution, and front and back two adjacent archs (3) are crisscross the setting each other, and a plurality of barbs of fixed on every arch (3), it is connected with filter mantle (12) to advance water flange (11) department.

2. The pre-filter unit of a sand pump as recited in claim 1, characterized in that the diameter of the inner cavity in the middle of the connecting pipe (2) is larger than the diameter of the inner cavity at both ends.

3. The pre-filter device of a sand pump as recited in claim 2, characterized in that the connecting pipe (2) is divided into two symmetrical semicircular pipe segments (10), and the edge of the semicircular pipe segment (10) is provided with a boss (8) along the length direction.

4. The pre-filter device of a sand pump as recited in claim 3, characterized in that the bottom surface of the boss (8) and the bottom surface of the semicircular pipe piece (10) are coplanar.

5. A pre-filter device for a sand pump according to claim 3, characterised in that the boss (8) is provided with through holes (9).

6. The pre-filter device of a sand pump as recited in claim 1, characterized in that an annular rubber ring (5) is arranged between the water outlet flange (4) and the water inlet (6) of the connecting pipe (2).

7. The pre-filter device of a sand pump as claimed in claim 3, wherein a rubber pad (7) is arranged between the contact surfaces of the two semicircular pipe sheets (10), and the rubber pad (7) is matched with the contact surfaces.

8. A pre-filter device for a sand pump according to claim 1, characterised in that the protrusion (3) is conical or cylindrical.