CN2317928Y

CN2317928Y - Automatic water drainage type air filtering pressure reducer

Info

Publication number: CN2317928Y
Application number: CN 97205004
Authority: CN
Inventors: 徐国斌; 宋超义; 袁金祥
Original assignee: Individual
Current assignee: Individual
Priority date: 1997-01-07
Filing date: 1997-01-07
Publication date: 1999-05-12
Anticipated expiration: 2007-01-07

Abstract

The equipment belongs to an automatic drainage filtering pressure reducing device on a compressed air supply pipeline for industrial process control, and the structure of the equipment is shown in figure 1, and the equipment comprises a filter element 1, a pressure reducing valve 2, an air storage tank 3, a membrane box assembly 4, a drainage valve rod 5, a valve seat 6 and a control system 8 which consists of a floater 7 and a lever and can open or close the drainage valve. Compressed air is used as power to realize the automatic drainage function. The pneumatic device has the advantages of novel structure and reliable action, and is suitable for being installed and used on a pneumatic device air supply pipeline in industrial process control.

Description

Automatic water drain type air filtration pressure reducer

The utility model relates in a kind of Industry Control on the pneumatic equipment pipeline trap drainage decompressor automatically.

Pneumatic control equipment is widely used in the industrial process control system at present, compressed air is the power of pneumatic means, though drainage measure and drying device are comparatively reliably arranged in its production process, but when every rainy season or air humidity are big, still make and contain certain moisture content in the compressed air.For preventing the pneumatic means water inlet, filtering pressure reducing valve of installing on Pneumatic pipe or filtration shunt valve all have transparent gas tank and hand switch, carry out manual drainage in the hand inspection mode.Find often to have because of checking untimely or causing the pneumatic means water inlet through long-term the use, cause pneumatic means to damage phenomenon owing to the water yield is excessive.

In order to solve above deficiency, the purpose of this utility model provides that a kind of to have the automatic draining of collection, filtration, decompression be the device of one, has solved effectively because of manual drainage is untimely and has made the pneumatic equipment water inlet, causes this problem of damage.

Structural design of the present utility model is such: this automatic trap drainage pressure reducer is by the decompression part, filtration fraction, and water discharging part is formed; Filter the decompression part and adopt the modular design structure, (as shown in Figure 1) compressed air is entered in the gas tank 19 by air admission hole, and the moisture content of separating out flows into a jar end.Compressed air filters out impurities through filter core 3, and clean gas arrives steam vent 2 through pressure-reducing valve.The decompression principle is: the handle 4 of regulating pressure-reducing valve changes the size of outlet pressure, and when conciliation active force and compressed-air actuated pressure balanced each other, pressure at expulsion just was stabilized in a certain numerical value.Self-draining operating principle is such: when the water level at the bottom of the jar is low, at the bottom of float 16 falls within jar.This moment, float was inconjunction with by lever a12, lever b13, the wink actuation mechanism that lever c14 pull bar 15 and extension spring 11 are barricaded as is failure to actuate, lever c14 makes valve-closing with the air inlet that is pushed into conduit 9 on the washer 10, recovering spring 5 acts on the diaphragm 8, valve rod 20 is pressed down, and the spool 17 that discharges water is combined with discharge valve seat 18, and discharging valve cuts out.Water level in gas tank raises gradually float is risen, water level continues to be elevated to a certain degree to be enough to make when wink, actuation mechanism was moved, it is drop-down with washer 10 to shoulder thick stick c, with valve opening, compressed air enters lower chamber along conduit 9, and diaphragm 8 drives on the valve rod 20 and moves, and the air in the upper chamber is arranged to atmosphere along the valve rod of hollow, discharging valve is opened as shown in Figure 2, finishes automatic drainage procedure.

The advantage of the utility model: simple in structure, working stability is reliable, saves energy resource consumption, and collecting automatic draining, filtration, decompression is one, has removed the untimely or hypervolia of artificial drainage from and has caused the situation of pneumatic equipment water inlet to take place.To the safe and reliable operation of pneumatic equipment in the industrial process control system, it is all beneficial with personnel's labour intensity to reduce cost.

Detailed structure of the present utility model is provided by following examples and accompanying drawing:

Fig. 1 is automatic draining air filtration pressure reducer structural representation;

Fig. 2 is automatic draining air filtration pressure reducer structure chart and water level drain shut valve view when low;

Fig. 3 is that automatic draining air filtration pressure reducer water level height is to draining valve opening schematic diagram;

Its structure is by shown in the accompanying drawing: top is the filtration under diminished pressure part, the 1st, and air inlet, the 2nd, gas outlet, the 3rd, filter core, the 4th, pressure reducer handle.Depressurization is to realize like this: regulate the handle of pressure reducer, it screws in and screws out the pressure that can make the gas outlet and increase or reduce, and the pressure of gas outlet just is stabilized in a certain numerical value when regulating action power and compressed air pressure reach balance.

Self-draining operating principle is: when in the gas tank 20 when anhydrous, float is shouldered bar b by lever a and is shouldered the wink actuation mechanism that bar c extension spring 11 is barricaded as and all be failure to actuate at the bottom of jar, shoulders stalk c and makes valve-closing with pushing away on the washer 10.Water level in gas tank rises.Float rises to certain altitude, be enough to make and shoulder the wink actuation mechanism action that stalk b lever c extension spring 11 constitutes by thick stick stalk a, valve catch 10 is moved down, and valve opening compressed air enters lower chamber 7 along conduit 9 and diaphragm 8 is driven on the valve rods 16 move, open draining valve and finish automatic drainage procedure.

Claims

1 one kinds of automatic water drain type air filtration pressure reducers, by the air filtration part, the decompression part, automatically the water discharging part composition that is integrated, it is characterized in that: pressure regulating handle is arranged at the top, top one end has air inlet, the other end has the air gas outlet, filter core is equipped with in the inside at tank body, a transparent gas tank is equipped with in the bottom, the draining valve base is equipped with at the jar end, spool and valve rod are on valve seat, and valve rod passes float to the capsule stack that is positioned at the float top, and there is diaphragm the inside of capsule stack and recovers spring, the upper end of float is connected with the wink actuation mechanism, and the inlet valve of capsule stack is installed on it.