CN209309549U - A kind of output mechanism of chemical material - Google Patents

Abstract

A kind of output mechanism of chemical material provided by the utility model, it include: gear pump, the gear pump has output pipe, pressure buffer chamber is provided on the output pipe, slide unit is equipped in the pressure buffer chamber room, the slide unit can move up and down along pressure buffer chamber inner wall and pressure buffer chamber is divided into upper chamber and lower chambers, the upper chamber is communicated with the branch pipeline for conveying compressed air, the lower chambers are connected to the output pipe, the position-limiting unit for being located at below the slide unit on the inner wall of the pressure buffer chamber and being protruded inwardly from from the inner wall of the pressure buffer chamber, the position-limiting unit is for preventing the slide unit from entering the output pipe.The utility model can effectively buffer the pressure oscillation of pipeline, maintain pipeline even running, reduce equipment and pipeline vibration, extend the service life of equipment.

Description

A kind of output mechanism of chemical material

Technical field

The utility model relates to output mechanisms, and in particular to a kind of output mechanism of chemical material.

Background technique

In chemical production process, chemical material conveys in pipeline, due to chemical plant material viscosity height, generallys use tooth Wheel pump, but output pressure has fluctuation in gear pump each operation cycle, causes export pipeline pressure transient so that equipment and Pipeline vibration increases, and equipment is easily damaged, and since vibration causes bolt looseness, also be easy to cause leakage.

Summary of the invention

In order to overcome the defects of the prior art, the utility model embodiment provides a kind of output machine of chemical material Structure alleviates vibration caused by pressure oscillation in pipeline.

The embodiment of the present application discloses: a kind of output mechanism of chemical material, comprising: gear pump, the gear pump have Output pipe is provided with pressure buffer chamber on the output pipe, and slide unit is equipped in the pressure buffer chamber room, described Slide unit can move up and down along pressure buffer chamber inner wall and pressure buffer chamber is divided into upper chamber and lower chambers, institute It states upper chamber and is communicated with branch pipeline for conveying compressed air, the lower chambers are connected to the output pipe, the pressure The limit for being located at below the slide unit on the inner wall of buffer chamber and being protruded inwardly from from the inner wall of the pressure buffer chamber Unit, the position-limiting unit is for preventing the slide unit from entering the output pipe.

Preferably, the sealing ring of at least one is embedded on the inner wall of the pressure buffer chamber, the institute of at least one Sealing snare is stated on the periphery of slide unit.

Preferably, the quantity of the sealing ring be it is multiple, multiple sealing rings are intervally arranged along the vertical direction.

Preferably, being additionally provided with multiple supporting blocks on the pressure buffer chamber inner wall, multiple supporting blocks are circumferentially It is alternatively arranged, the slide unit is equipped with the mutual gap of supporting block.

Preferably, the branch pipeline is equipped with pressure-detecting device.

Preferably, the branch pipeline is equipped with gas source and the control valve for being controlled the branch pipeline.

Preferably, the quantity of the position-limiting unit is two, two position-limiting units are located at the sliding part The two sides of the lower end of part.

The beneficial effects of the utility model are as follows:

The utility model embodiment discloses the output mechanism of chemical material, and the pressure buffer chamber being provided with can basis The pressure of transfer pipeline fills the compressed air of preset pressure in upper chamber.When despite pressure fluctuations in transfer pipeline, on The chemical material in compressed air or lower chambers in chamber is pushed based on pressure on the slide unit in pressure buffer chamber Lower movement.Since air has biggish compression ratio, the pressure buffer chamber in the utility model embodiment can be buffered effectively The pressure oscillation of pipeline maintains pipeline even running, reduces equipment and pipeline vibration, extends the service life of equipment.

For the above and other objects, features and advantages of the utility model can be clearer and more comprehensible, preferable reality is cited below particularly Example is applied, and cooperates institute's accompanying drawings, is described in detail below.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, it is also possible to obtain other drawings based on these drawings.

Fig. 1 is a kind of output mechanism structural schematic diagram of chemical material provided by the embodiment of the utility model；

Fig. 2 is the magnified partial view in Fig. 1.

In figure: 1, output pipe；2, pressure buffer chamber；21, upper chamber；22, upper chamber；3, slide unit；4, it is in charge of Road；5, position-limiting unit；6, sealing ring；7, supporting block；8, pressure-detecting device；9, control valve；10, gear pump.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

As depicted in figs. 1 and 2, the utility model provides a kind of output mechanism of chemical material, including gear pump 10, described Gear pump 10 has output pipe 1, is provided with pressure buffer chamber 2 on the output pipe 1, in the pressure buffer chamber 2 Equipped with slide unit 3, the slide unit 3 can move up and down along 2 inner wall of pressure buffer chamber and by pressure buffer chamber 2 It is divided into upper chamber 21 and lower chambers 22, the upper chamber 21 is communicated with the branch pipeline 4 for conveying compressed air, the lower chambers 22 are connected to the output pipe 3,3 lower section of slide unit are located on the inner wall of the pressure buffer chamber 2 and described in The inwardly projecting position-limiting unit 5 of the inner wall of pressure buffer chamber 3, the position-limiting unit 5 is for preventing the slide unit 3 from entering The output pipe 1.

The pressure buffer chamber 2 is vertically set near 1 entrance of output pipe on material conveying direction, described defeated Pressure change can occur in output pipe 1 when conveying material for pipeline 1 out, and the upper chamber 21 in the pressure buffer chamber 2 can Compressed air is first supplemented according to the pressure size in output pipe 1, when pressure oscillation occurring in output pipe 1, upper chamber 21 In compressed air or lower chambers 22 in chemical material based on pressure and then push the slide unit in pressure buffer chamber 2 3 move up and down in pressure buffer chamber 2, since air has biggish compression ratio, can effectively buffer output pipe 1 Pressure oscillation maintains pipeline even running.

In another embodiment, fixed defeated there are two preventing slide unit 3 from entering on the inner wall of the pressure buffer chamber 2 The position-limiting unit 5 of pipeline 1 out, two position-limiting units 5 are located at the two sides of the lower end of the slide unit 3, are exporting During pressure oscillation occurs in pipeline 1, slide unit 3 can be blocked in by position-limiting unit 5 when slide unit 3 moves down The two sides of lower end prevent slide unit 3 from moving further into output pipe 1, avoid influencing material conveying.

It is embedded on the inner wall of the pressure buffer chamber 2 there are two sealing ring 6, described two sealing rings 6 are along upper and lower To being intervally arranged.Described two sealing rings 6 can cover on the periphery of slide unit 3 and in the movement of the slide unit 3 It is covered on the periphery of slide unit 3 always in the process, avoids the material in output pipe 1 and enter pressure buffer chamber 2 21 in upper chamber.

Multiple supporting blocks 7, the circumferentially spaced row of multiple supporting blocks 7 are additionally provided on 2 inner wall of pressure buffer chamber Column, the slide unit 3 are equipped with the mutual gap of supporting block 7, it can be ensured that slide unit 3 moves in pressure buffer chamber 2 It is dynamic, while preventing slide unit 3 slow with pressure in moving process by multiple supporting blocks 7 on 2 inner wall of pressure buffer chamber Rush the collision of 2 inner wall of chamber.

The branch pipeline 4 is equipped with the pressure-detecting device 8 for detecting pressure size in branch pipeline 4, the branch pipeline 4 On be additionally provided with gas source and the control valve 9 for being controlled the branch pipeline 4, control branch pipeline 4 is supplemented into upper chamber 21 The control valve 9 of compressed air.

In chemical production process, gear pump of the chemical material in the output pipe 1 by being connected on main pipeline 1 (not shown) conveys material, when work, first according to the pressure size in output pipe 1 to the epicoele of pressure buffer chamber 2 Compressed gas is supplemented in room 21, so that the slide unit 3 in pressure buffer chamber 2 is located at 2 middle position of pressure buffer chamber, so The control valve 9 in branch pipeline 4 is closed afterwards, and when gear pump operating, output pressure can make in output pipe 1 in each operation cycle Pressure oscillation occurs, the lower chambers 22 that the material in output pipe 1 enters in pressure buffer chamber 2 are to push slide unit 3 It is moved up and down in pressure buffer chamber 2, the pressure oscillation in output pipe 1 is distributed to pressure buffer chamber 2, due to epicoele The inside of room 21 is that air has biggish compression ratio to compressed air simultaneously, can effectively buffer the pressure wave of output pipe 1 It is dynamic, the vibration of equipment and pipeline is reduced, the service life of equipment is extended.

Specific embodiment is applied in the utility model to be expounded the principles of the present invention and embodiment, with The explanation of upper embodiment is merely used to help understand the method and its core concept of the utility model；Meanwhile for this field Those skilled in the art, based on the idea of the present invention, there will be changes in the specific implementation manner and application range, comprehensive Upper described, the content of the present specification should not be construed as a limitation of the present invention.

Claims (7)

1. a kind of output mechanism of chemical material characterized by comprising gear pump, the gear pump have output pipe, institute It states and is provided with pressure buffer chamber on output pipe, slide unit, the slide unit energy are equipped in the pressure buffer chamber room Enough to move up and down along pressure buffer chamber inner wall and pressure buffer chamber is divided into upper chamber and lower chambers, the upper chamber connects It is connected with the branch pipeline for conveying compressed air, the lower chambers are connected to the output pipe, the pressure buffer chamber It is located at position-limiting unit below the slide unit and inwardly projecting from the inner wall of the pressure buffer chamber, the limit on inner wall Bit location is for preventing the slide unit from entering the output pipe.

2. the output mechanism of chemical material according to claim 1, which is characterized in that the inner wall of the pressure buffer chamber On be embedded at least one sealing ring, the sealing snare of at least one is on the periphery of slide unit.

3. the output mechanism of chemical material according to claim 2, which is characterized in that the quantity of the sealing ring is more A, multiple sealing rings are intervally arranged along the vertical direction.

4. the output mechanism of chemical material according to claim 1, which is characterized in that on the pressure buffer chamber inner wall Multiple supporting blocks, multiple circumferentially spaced arrangements of supporting block are additionally provided with, the slide unit is matched with the mutual gap of supporting block Close setting.

5. the output mechanism of chemical material according to claim 1, which is characterized in that the branch pipeline is examined equipped with pressure Survey device.

6. the output mechanism of chemical material according to claim 1, which is characterized in that the branch pipeline be equipped with gas source and Control valve for being controlled the branch pipeline.

7. the output mechanism of chemical material according to claim 1, which is characterized in that the quantity of the position-limiting unit is two A, two position-limiting units are located at the two sides of the lower end of the slide unit.