Drainage pipe network lift pump

Abstract

The utility model discloses a drainage pipe network lift pump, and particularly relates to the technical field of lift pumps, the drainage pipe network lift pump comprises a lift pump main body, the water inlet end of the lift pump main body is fixedly connected with a first water inlet pipe, one end of the first water inlet pipe is fixedly provided with a filter pipe, and the inside of one end of the filter pipe is fixedly provided with a filter screen plate; and a rotating rod is arranged in the crushing box, and a plurality of crushing cutters are fixedly arranged at the outer end of the rotating rod. The structure for smashing and filtering sundries is arranged at the end of the first water inlet pipe, large sundries and the like in sewage passing through the interior of the lifting pump body can be smashed and filtered, the filter screen plate can be backwashed and cleaned regularly through the backflushing assembly, the situation that the lifting pump body is blocked by the sundries is effectively avoided, and the service life of the lifting pump is prolonged. The lifting pump body can work stably, the situation that sewage overflows when the lifting pump body goes wrong is avoided, economic losses are reduced, and the using effect is good.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of the lift pump, specifically relates to a drainage pipe network lift pump. BACKGROUND

[0002] The lift pump is a pump product integrating pump, motor, shell and control system, which can be used for sewage lifting in family, villa and small and medium-sized commercial places, and can work on ground or under liquid, and is suitable for conveying granular sewage and dirt in chemical industry, petroleum industry, pharmaceutical industry, mining industry, papermaking industry, cement plant, steel plant, power plant, coal processing industry, urban sewage treatment plant drainage system, municipal engineering and construction site, and can also be used for pumping clean water and corrosive medium.

[0003] At present, when the drainage pipe network lift pump is actually used, some sundries that are not easy to disperse in sewage may cause blockage of the lift pump, affect the work of the lift pump, and thus cause the sewage to be unable to be discharged in time, and even overflow, which will cause great economic loss to people and the use effect is not good enough. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a drainage pipe network lift pump to solve the above problems in the prior art.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme: a drainage pipe network lift pump, comprising:

[0006] The lift pump body is provided with a first water inlet pipe fixedly connected at the water inlet end, a filter pipe fixedly arranged at one end of the first water inlet pipe, a filter screen fixedly arranged inside one end of the filter pipe, and a backflushing assembly connected with the other end of the filter pipe.

[0007] The filter pipe penetrates through one side of the crushing box and is connected with the inside of the crushing box, the inside of the crushing box is provided with a rotating rod, the top end of the rotating rod penetrates through the top end of the crushing box and is rotatably connected with the top end of the crushing box through a sealing bearing, a motor is fixedly arranged at the top end of the crushing box, the top end of the rotating rod is fixedly connected with the output shaft of the motor, and a plurality of crushing knives are fixedly arranged at the outer end of the rotating rod.

[0008] Preferably, the other side of the crushing box is fixedly provided with a second water inlet pipe connected with the inside of the crushing box, so as to facilitate the sewage to enter the inside of the crushing box.

[0009] Preferably, the water outlet end of the lift pump body is fixedly connected with a water outlet pipe, and a first electromagnetic valve is fixedly arranged on the water outlet pipe, so as to facilitate the control of the discharge of the sewage.

[0010] Preferably, the backflushing assembly comprises a backflushing pipe fixedly arranged at the outer end of the water outlet pipe, the backflushing pipe is arranged at the side of the first electromagnetic valve close to the main body of the lifting pump, and the second electromagnetic valve is fixedly arranged on the backflushing pipe, so that the filter screen plate can be backflushed and cleaned.

[0011] Preferably, one end of the throat pipe is fixedly connected with the connecting pipe, one end of the connecting pipe penetrates through one end of the filter pipe and is connected with the inside of the filter pipe, and the throat pipe is used for making water flow contract and then diffuse, so that the water flow speed can be increased and the backflushing effect can be improved.

[0012] In the above technical solution, the technical effects and advantages of the utility model are provided.

[0013] By arranging the structure for crushing and filtering sundries at the end of the first water inlet pipe, the large sundries in the sewage in the main body of the lifting pump can be crushed and filtered, the filter screen plate can be backflushed and cleaned at regular time by the backflushing assembly, the situation that the main body of the lifting pump is blocked by sundries can be effectively avoided, the main body of the lifting pump can stably work, the situation that the sewage overflows due to the problem of the main body of the lifting pump can be avoided, economic loss is reduced, and the use effect is good. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical solutions in the embodiments or the prior art, the drawings needed to be used in the embodiments will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments described in the utility model, and other drawings can be obtained by those skilled in the art according to these drawings.

[0015] Figure 1 It is the overall structure schematic diagram of the utility model;

[0016] Figure 2 It is the overall structure schematic diagram of the utility model;

[0017] Figure 3 It is the crushing box sectional view structure schematic diagram of the utility model;

[0018] Figure 4 It is the filter pipe, backflushing pipe, throat pipe and connecting pipe sectional view structure schematic diagram of the utility model;

[0019] Figure 5 It is the water outlet pipe and backflushing pipe structure schematic diagram of the utility model.

[0020] EXPLANATION OF REFERENCE NUMERALS:

[0021] 1, the main body of the lift pump; 2, the first water inlet pipe; 3, the filter pipe; 4, the filter screen; 5, the pulverizing box; 6, the rotating rod; 7, the motor; 8, the pulverizing knife; 9, the second water inlet pipe; 10, the water outlet pipe; 11, the first electromagnetic valve; 12, the backflush pipe; 13, the second electromagnetic valve; 14, the throat pipe; 15, the connecting pipe. DETAILED DESCRIPTION

[0022] In order to make the technical personnel in the art better understand the technical scheme of the utility model, the utility model will be further described in detail below with the drawings.

[0023] The utility model provides a kind of sewer network lift pump as Figures 1 to 5 As shown in the figure, comprising:

[0024] The main body of the lift pump 1, the water inlet end of the main body of the lift pump 1 is fixedly connected with the first water inlet pipe 2, one end of the first water inlet pipe 2 is fixedly provided with the filter pipe 3, one end of the filter pipe 3 is fixedly provided with the filter screen 4 inside, and the other end of the filter pipe 3 is connected with the backflush assembly;

[0025] The pulverizing box 5, the filter pipe 3 passes through one side of the pulverizing box 5 and is communicated with the inside of the pulverizing box 5, the rotating rod 6 is arranged in the inside of the pulverizing box 5, the top end of the rotating rod 6 passes through the top end of the pulverizing box 5 and is rotatably connected between the top end of the pulverizing box 5 through the sealing bearing, the motor 7 is fixedly arranged at the top end of the pulverizing box 5, the top end of the rotating rod 6 is fixedly connected with the output shaft of the motor 7, a plurality of pulverizing knives 8 are fixedly arranged at the outer end of the rotating rod 6, the second water inlet pipe 9 is fixedly arranged at the other side of the pulverizing box 5 and is communicated with the inside thereof, the water outlet pipe 10 is fixedly connected with the water outlet end of the main body of the lift pump 1, and the first electromagnetic valve 11 is fixedly arranged on the water outlet pipe 10.

[0026] The backflush assembly includes the backflush pipe 12 fixedly arranged at the outer end of the water outlet pipe 10, the backflush pipe 12 is arranged at the side of the first electromagnetic valve 11 close to the main body of the lift pump 1, the second electromagnetic valve 13 is fixedly arranged on the backflush pipe 12, the throat pipe 14 is fixedly connected with one end of the backflush pipe 12, the connecting pipe 15 is fixedly connected with one end of the throat pipe 14, and one end of the connecting pipe 15 passes through one end of the filter pipe 3 and is communicated with the inside of the filter pipe 3.

[0027] When the lifting pump body 1 is working, the first electromagnetic valve 11 is opened, sewage enters into the smashing box 5 through the second water inlet pipe 9, the motor 7 is started, the output shaft of the motor 7 drives the rotating rod 6 to rotate, the rotating rod 6 drives the plurality of smashing knives 8 to rotate, the plurality of rotating smashing knives 8 can smash the large block impurities in the sewage, the smashed sewage can enter into the filter pipe 3, the filter screen 4 at the end of the filter pipe 3 can filter the impurities which are not smashed completely, the sewage in the filter pipe 3 is discharged through the first water inlet pipe 2 and the water outlet pipe 10, after a period of time, the first electromagnetic valve 11 is intermittently closed, the second electromagnetic valve 13 is opened, at this time, the water flow can enter into the filter pipe 3 through the backflush pipe 12, the throat pipe 14 and the connecting pipe 15, the throat pipe 14 can accelerate the water flow and increase the impact force of the water flow, the backflush water flow can backflush the filter screen 4, the impurities on the filter screen 4 can be backflushed away, the situation that the filter screen 4 is blocked is effectively avoided, the first electromagnetic valve 11 and the second electromagnetic valve 13 are controlled to open and close by the controller, the controller is the prior art, which is not shown here.

[0028] The structure for smashing and filtering impurities is arranged at the end of the first water inlet pipe 2, the large block impurities in the sewage in the lifting pump body 1 can be smashed and filtered, the filter screen 4 can be backflushed and cleaned in a timely manner by the backflush assembly, the situation that the lifting pump body 1 is blocked by impurities is effectively avoided, the lifting pump body 1 can stably work, the situation that the sewage is overflowed due to the problem of the lifting pump body 1 is avoided, economic loss is reduced, and the use effect is good.

[0029] The above only describes some exemplary embodiments of the utility model in a descriptive manner, without doubt, for ordinary skilled in the art, the described embodiments can be modified in various different ways without deviating from the spirit and scope of the utility model. Therefore, the above drawings and description are illustrative in nature and should not be understood as limiting the scope of protection of the utility model claims.

Claims

1. A sewer network booster pump, characterized in that Include: The lifting pump body (1), the water inlet end of the lifting pump body (1) is fixedly connected with the first water inlet pipe (2), one end of the first water inlet pipe (2) is fixedly provided with the filter pipe (3), the inside of one end of the filter pipe (3) is fixedly provided with the filter screen plate (4), and the other end of the filter pipe (3) is connected with the backflushing assembly; The crushing box (5) is provided with a rotating rod (6) inside, one end of the rotating rod (6) penetrates through the top end of the crushing box (5) and is rotatably connected with the top end of the crushing box (5) through a sealing bearing, the top end of the crushing box (5) is fixedly provided with a motor (7), the top end of the rotating rod (6) is fixedly connected with the output shaft of the motor (7), and a plurality of crushing knives (8) are fixedly arranged on the outer end of the rotating rod (6).

2. A sewer network boosting pump according to claim 1, characterized in that: The other side of the crushing box (5) is fixedly provided with the second water inlet pipe (9) which is communicated with the inside of the crushing box (5).

3. A sewer network boosting pump according to claim 1, characterized in that: The water outlet end of the lifting pump body (1) is fixedly connected with the water outlet pipe (10), and the first electromagnetic valve (11) is fixedly arranged on the water outlet pipe (10).

4. A sewer network boosting pump according to claim 1, characterized in that: The backflushing assembly includes a backflushing pipe (12) fixedly arranged on the outer end of the water outlet pipe (10), the backflushing pipe (12) is arranged on the side of the first electromagnetic valve (11) close to the lifting pump body (1), and the second electromagnetic valve (13) is fixedly arranged on the backflushing pipe (12).

5. A sewer network boosting pump according to claim 4, characterised in that: One end of the backflushing pipe (12) is fixedly connected with the throat pipe (14), one end of the throat pipe (14) is fixedly connected with the connecting pipe (15), and one end of the connecting pipe (15) penetrates through one end of the filter pipe (3) and is communicated with the inside of the filter pipe (3).

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