CN112443478A

CN112443478A - Intelligent environment-friendly pneumatic diaphragm pump

Info

Publication number: CN112443478A
Application number: CN201910878959.8A
Authority: CN
Inventors: 张宁宁; 温禄淳; 陈硕鹏; 方慧康; 张雪玲; 陈长华; 张留; 董国庆; 郭倩
Original assignee: Jiangsu Anlitai Fluid Equipment Technology Co
Current assignee: Jiangsu Anlitai Fluid Equipment Technology Co
Priority date: 2019-09-05
Filing date: 2019-09-05
Publication date: 2021-03-05

Abstract

The invention discloses an intelligent environment-friendly pneumatic diaphragm pump, relates to the technical field of pneumatic diaphragm pumps, and particularly relates to an intelligent environment-friendly pneumatic diaphragm pump. The traditional pneumatic diaphragm pump has the problems that the noise pollution is serious and the automatic control degree is low due to the fact that air is directly communicated through an exhaust hole to exhaust; the invention is innovative in that the exhaust pipe is connected with the water outlet pipe through the valve and the pipeline to be discharged together with water, thereby realizing the functions of eliminating noise and improving the lift and simultaneously being capable of diving; a floating ball and a two-position three-way mechanical reversing valve are arranged to control a pneumatic control valve, and the automatic start and stop of the pneumatic diaphragm pump are realized through the judgment of the liquid level to realize intelligent control.

Description

Intelligent environment-friendly pneumatic diaphragm pump

Technical Field

The invention relates to the technical field of pneumatic diaphragm pumps, in particular to an intelligent environment-friendly pneumatic diaphragm pump.

Background

At present, there are some problems in the pneumatic diaphragm pump that uses in the market, firstly pneumatic diaphragm pump has compressed air to follow the direct discharge of pump at the during operation, has set up the muffler on the diaphragm pump, but also has very big noise, and muffler department easily freezes the normal work that influences the pump moreover. Secondly, the pneumatic diaphragm pump is inconvenient in installation and use, and the diaphragm pump needs two pipes in installation, namely a material suction pipe and a material discharge pipe, and a conveying medium cannot submerge an exhaust port of the pump. Thirdly, many problems appear in the field use of the automatic control start-stop device of the pneumatic diaphragm pump: 1) the structure is complex, and the manufacturing cost is high because the device is composed of a plurality of sets of devices. 2) The sensitivity of automatic start and stop is not high, even water is pumped up the pump and still can work always, has wasted a large amount of energy, has shortened the life-span of pump.

Disclosure of Invention

In order to solve the defects of the conventional pneumatic diaphragm pump, the invention provides an intelligent environment-friendly pneumatic diaphragm pump which can introduce the gas discharged by the pneumatic diaphragm pump into a water outlet manifold to eliminate noise, and is additionally provided with a floating ball, a two-position three-way mechanical reversing valve and a pneumatic control valve to be matched for controlling to realize automatic start and stop, so that the defects of the conventional pneumatic diaphragm pump are overcome.

The technical scheme adopted by the invention for solving the technical problems is as follows: the intelligent environment-friendly pneumatic diaphragm pump is characterized in that a quick dismounting device is arranged at an exhaust port of a pump body, a one-way valve is arranged on the quick dismounting device, and then the one-way valve is connected with a water outlet pipe. Thus, compressed air discharged when the pump works is directly led into the water outlet pipe through the set of device, the lift is improved, the noise can be eliminated, and the whole machine can submerge into the water to work; meanwhile, a safety valve is installed on the quick dismounting device, and when gas cannot be discharged into the water outlet pipe through the one-way valve, the safety valve can automatically open for gas discharge.

The technical scheme adopted by the invention for solving the technical problem also comprises the following steps: a reducing tee is arranged behind an air inlet joint of the pump body, a pneumatic control valve is arranged behind the reducing tee, and the pneumatic control valve is in a closed state when the pump does not work; the small-diameter outlet of the reducing tee is connected to the pneumatic control valve through the two-position tee mechanical reversing valve, and the pneumatic control valve is controlled to be opened and closed through the small-diameter outlet; the large-diameter outlet of the reducing tee is connected with the inlet of the pneumatic control valve.

The technical scheme adopted by the invention for solving the technical problem also comprises the following steps: a two-position three-way mechanical reversing valve is arranged on one side of a pump, a connecting rod of the two-position three-way mechanical reversing valve is connected with a floating ball connecting rod, the floating ball controls the connecting rod of the two-position three-way mechanical reversing valve to move back and forth, when the liquid level is low, gas can not enter a pneumatic control valve when entering the two-position three-way mechanical reversing valve through a small-diameter outlet of a reducing three-way, when the liquid level is raised, the floating ball controls the connecting rod of the two-position three-way mechanical reversing valve to move to open a channel between the two-position three-way mechanical reversing valve and the pneumatic control valve, the gas enters the pneumatic control valve, after the pneumatic control valve is opened, the gas enters a diaphragm pump through a large-diameter outlet of the reducing three-way and the pneumatic control valve to.

The technical scheme adopted by the invention for solving the technical problem also comprises the following steps: set up antifouling cover both effectually prevented the water inlet of pump and blockked up and the effectual floater of having protected not influenced by external force on the base of pump.

Drawings

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

FIG. 2 is a schematic view of the working principle of the two-position three-way mechanical reversing valve of the invention respectively at low liquid level and high liquid level

The invention is further illustrated with reference to the following figures and examples.

In the figure, 1, a floating ball, 2, a floating ball connecting rod, 3, an air inlet joint, 4, a reducing tee joint, 5, an air inlet hose of a two-position three-way mechanical reversing valve, 6, an air control valve, 7, an air outlet hose of the two-position three-way mechanical reversing valve, 8, a two-position three-way mechanical reversing valve, 9, a mechanical valve mounting frame, 10, an water outlet pipe, 11, an elbow, 12, a one-way valve, 13, a safety valve, 14, a quick dismounting device, 15, an exhaust pipe, 16, an anti-fouling cover, 17,

pistons

1 and 18,

pistons

2 and 19,

pistons

3 and 20, and a connecting rod of the two-position.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings, 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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

All parts are mounted together in the order shown in fig. 1: 1. the automatic air-conditioning system comprises a floating ball, 2 parts of a floating ball connecting rod, 3 parts of an air inlet connector, 4 parts of a reducing tee joint, 5 parts of a two-position tee joint mechanical reversing valve air inlet hose, 6 parts of an air control valve, 7 parts of a two-position tee joint mechanical reversing valve air outlet hose, 8 parts of a two-position tee joint mechanical reversing valve, 9 parts of a mechanical valve mounting frame, 10 parts of an water outlet pipe, 11 parts of an elbow, 12 parts of a one-way valve, 13 parts of a safety valve, 14 parts of a quick dismounting device, 15 parts of an.

The floating ball connecting rod 2 is connected with a connecting rod 20 of the two-position three-way mechanical reversing valve, and the floating ball 1 can drive the three pistons of the two-position three-way mechanical reversing valve 5 to integrally move back and forth when the liquid level changes.

The rear part of the air inlet joint 3 is connected with a reducing tee 4, a large-diameter outlet of the reducing tee 4 is communicated with a pneumatic control valve 6, and the pneumatic control valve 6 keeps a normally closed state; the small-diameter outlet of the reducing tee 4 is connected into the port B of the two-position three-way mechanical reversing valve 8 through the two-position three-way mechanical reversing valve air inlet hose 5, and the port A of the two-position three-way mechanical reversing valve 8 is communicated with the air control valve 6 through the two-position three-way mechanical reversing valve air outlet hose 7. When the liquid level is high, the port A of the two-position three-way mechanical reversing valve 8 is opened, the port C is closed, the gas in the cavity behind the port B enters the cavity behind the port A, and the gas enters the pneumatic control valve 6 through the port A and the air outlet hose 7 of the two-position three-way mechanical reversing valve, so that the pneumatic control valve 6 is opened; when the liquid level is low, the port A of the two-position three-way mechanical reversing valve 8 is closed, the port C is opened, and the air control valve 6 and the air in the cavity behind the port A are decompressed through the port C, so that the air control valve 6 is closed.

The two-position three-way mechanical reversing valve 8 is installed on a mechanical valve installation frame 9, and the mechanical valve installation frame 9 is fixedly installed on the pump through bolts.

The exhaust pipe 15 is connected with the quick dismounting device 14, is connected with the water outlet pipe 10 through the one-way valve 12, the elbow 11 and the pipeline, and the working exhaust gas is discharged through the water inlet and outlet pipe 10.

The quick dismounting device 14 is provided with a safety valve 13, and if working exhaust gas cannot be discharged into a water outlet pipe, the safety valve 13 can automatically exhaust after the pressure reaches a critical point so as to ensure the normal operation of the pump.

The bottom position at the pump sets up antifouling cover 16, and antifouling cover 16 protects diaphragm pump water inlet and floater 1 wherein, and the effectual water inlet that has prevented the pump blocks up and the effectual automatics that has protected does not receive the influence of external force again.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an intelligent environment-friendly pneumatic diaphragm pump to compressed air is the power and is caused the displacement pump characterized by of volume change by diaphragm reciprocating deformation: the upper part of the exhaust pipe (15) is communicated with the water outlet pipe (10) by arranging a quick dismounting device (14) and a one-way valve (12); a reducing tee joint (4) and a pneumatic control valve (6) are arranged behind the air inlet joint (3); a mechanical valve mounting frame (9) is arranged on the pump body through bolts.

2. The intelligent environment-friendly pneumatic diaphragm pump of claim 1, wherein: a safety valve (13) is arranged on the quick-release device (14).

3. The intelligent environment-friendly pneumatic diaphragm pump of claim 1, wherein: a two-position three-way mechanical reversing valve (8) is arranged on the mechanical valve mounting frame (9).

4. The intelligent environment-friendly pneumatic diaphragm pump of claim 1, wherein: the small-diameter outlet of the reducing tee (4) is communicated with the air inlet B of the two-position three-way mechanical reversing valve (8) through an air inlet hose (5) of the two-position three-way mechanical reversing valve, and the air outlet A of the two-position three-way mechanical reversing valve (8) is communicated with the air control valve (6) through an air outlet hose (7) of the two-position three-way mechanical reversing valve.

5. The intelligent environment-friendly pneumatic diaphragm pump of claim 3, wherein: the two-position three-way mechanical reversing valve connecting rod (20) is connected with the floating ball connecting rod (2).