CN-224228965-U - Structural assembly of noise-reducing high-suction pneumatic dredging pump

CN224228965UCN 224228965 UCN224228965 UCN 224228965UCN-224228965-U

Abstract

The utility model discloses a structural component of a noise-reducing high-suction pneumatic dredging pump, which belongs to the technical field of pneumatic dredging pumps and is arranged between a vacuum suction component of the pump and a pump discharge pipeline, and is characterized in that one end of a reducing expansion port connector is detachably communicated with an exhaust pipe at the exhaust end of the vacuum suction component; the other end of the reducing expansion joint is detachably communicated with a noise reduction connecting pipe which is respectively communicated with a pump discharge pipe orifice and a discharge pipeline through a Y-shaped three-way pipe. The utility model has the beneficial effects that the flaring cone angle of the reducing expansion joint is 20-60 degrees, the gas is effectively released in the noise reduction connecting pipe, and the noise generated in the working process of the pneumatic dredging pump is greatly reduced by means of flowing sludge in the discharging pipeline with long conveying distance, so that the working efficiency is higher.

Inventors

CHANG JING
LI QINGHUI
CHANG QINGGANG
CHANG HUIYUAN

Assignees

山东鱼台东源矿用设备有限责任公司

Dates

Publication Date: 20260512
Application Date: 20250624

Claims (6)

1. The structure component of the noise-reducing high-suction pneumatic dredging pump is arranged between a vacuum suction component (8) of the pump and a pump discharge pipeline (7) and is characterized by comprising a reducing expansion port joint (3), a noise-reducing connecting pipe (2) and a Y-shaped three-way pipe (1), One end of the reducing expansion joint (3) is detachably communicated with an exhaust pipe (5) at the exhaust end of the vacuum suction assembly (8), the other end of the reducing expansion joint (3) is detachably communicated with the noise reduction connecting pipe (2), and the noise reduction connecting pipe (2) is respectively communicated with a pump discharge pipe opening (7) and a discharge pipe (6) through a Y-shaped three-way pipe (1).
2. The structural assembly of the noise-reducing high-suction pneumatic dredging pump is characterized in that the flaring cone angle of the reducing expansion joint (3) is 20-60 degrees.
3. The structural assembly of the noise-reducing high-suction pneumatic dredging pump according to claim 1, wherein the outer diameter of the noise-reducing connecting pipe (2) is matched with the reducing expansion joint (3), and the inner diameter of the noise-reducing connecting pipe (2) is larger than the inner diameter of the exhaust pipe (5).
4. The structural assembly of the noise-reducing high-suction pneumatic dredging pump according to claim 1, wherein a valve for limiting unidirectional flow of air flow is arranged on the noise-reducing connecting pipe (2).
5. The structural assembly of the noise-reducing high-suction pneumatic dredging pump as claimed in claim 4, wherein the valve is a one-way valve or a stop valve.
6. The structural assembly of the noise-reducing high-suction pneumatic dredging pump according to claim 1, wherein a pneumatic valve (4) is arranged on the exhaust pipe (5).

Description

Structural assembly of noise-reducing high-suction pneumatic dredging pump Technical Field The utility model belongs to the technical field of pneumatic dredging pumps, and particularly relates to a structural component of a noise-reducing high-suction pneumatic dredging pump. Background The mining pneumatic dredging and blow-down pump structurally comprises a tank body, wherein a feed pipe and a discharge pipe are respectively arranged at two ends of the tank body, integral two-way knife valves are arranged on the feed pipe and the discharge pipe, the feed pipe knife valves and the discharge pipe knife valves are respectively connected with pneumatic execution elements, the pneumatic execution elements are connected with pneumatic control components to control and switch the pneumatic execution elements, orderly conversion of sucking and discharging materials during pump operation is achieved, a vacuum suction component communicated with the tank body is arranged on the outer side of the tank body, the vacuum suction component is designed according to a venturi utility principle and mainly comprises a spray pipe, a negative pressure cavity and an expansion pipe which are contracted before expanded, an air inlet pipe and an air outlet pipe are arranged on the vacuum suction component, and a control valve is arranged on the air inlet pipe. The pump is driven by compressed air, when the pneumatic control assembly circularly switches the cylinder and the knife valve to work, the suction and discharge processes of the unit can be completed, the pneumatic control assembly is started, during suction, negative pressure is generated by utilizing a Venturi effect, at the moment, as the knife valve at the discharge end of the pump is in a closed state, the negative pressure in the pump can suck sludge into the negative pressure cavity from the feed end of the pump, meanwhile, high-pressure gas is discharged from the exhaust pipe of the vacuum suction assembly, during discharge, the knife valve at the feed end of the pump is in a closed state, the exhaust pipe of the vacuum suction assembly is in a closed state, at the moment, the high-pressure gas enters the negative pressure cavity by utilizing the negative pressure pipe of the Venturi structure, and the sludge in the negative pressure cavity is extruded by the exhaust pipe. Although the exhaust pipe of the vacuum suction assembly is connected with the silencer, in the practical application process, the noise of the dredging pump is still quite large even if the silencer is arranged. Disclosure of utility model In order to solve the problems and overcome the defects in the prior art, the utility model provides a structural component of a noise-reducing high-suction pneumatic dredging pump; The first technical problem to be solved is that after the compressed air of the pneumatic dredging pump is discharged from the Venturi structure of the vacuum suction assembly through the exhaust pipe, the noise of the dredging pump is still quite large even if a silencer is arranged. The utility model solves the technical problems by adopting the technical proposal that the structural component of the noise-reducing high-suction pneumatic dredging pump is arranged between the vacuum pumping component of the pump and the discharge pipe port of the pump and is characterized by comprising a reducing expansion port joint, a noise-reducing connecting pipe and a Y-shaped three-way pipe, One end of the reducing expansion port joint is detachably communicated with an exhaust pipe at the exhaust end of the vacuum suction assembly, the other end of the reducing expansion port joint is detachably communicated with a noise reduction connecting pipe, and the noise reduction connecting pipe is respectively communicated with a pump discharge pipe orifice and a discharge pipe through a Y-shaped three-way pipe. Further, the flaring cone angle of the reducing expansion joint is 20-60 degrees. Further, the outer diameter of the noise reduction connecting pipe is matched with the reducing expansion joint, and the inner diameter of the noise reduction connecting pipe is larger than the inner diameter of the exhaust pipe. Further, a valve for limiting the unidirectional flow of the air flow is arranged on the noise reduction connecting pipe. Further, the valve is a one-way valve or a stop valve. Further, a pneumatic valve is arranged on the exhaust pipe. The beneficial effects of the utility model are as follows: The utility model has the advantages that the structural component of the noise-reducing high-suction pneumatic dredging pump is arranged between the vacuum suction component of the pump and the pump discharge pipeline, so that the noise-reducing pneumatic dredging pump can treat the gas discharged by the vacuum suction component, and has a good noise-reducing effect compared with the traditional silencer; The utility model has the advantages that the flaring cone angle of the reducing expan