CN207933088U - Pressure relief system - Google Patents
Pressure relief system Download PDFInfo
- Publication number
- CN207933088U CN207933088U CN201721499300.4U CN201721499300U CN207933088U CN 207933088 U CN207933088 U CN 207933088U CN 201721499300 U CN201721499300 U CN 201721499300U CN 207933088 U CN207933088 U CN 207933088U
- Authority
- CN
- China
- Prior art keywords
- solenoid valve
- pressure
- valve
- pipeline
- pressure gauge
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The utility model discloses a kind of pressure relief systems, it includes pressure gauge, the first solenoid valve and the first valve on pipeline main road, wherein, pressure gauge, the first solenoid valve and the first valve are sequentially communicated by pipeline, and the pressure gauge is electrically connected with the first solenoid valve, it is characterised in that, one or more pipeline branch, the pipeline branch is arranged before the pressure gauge, and pipeline branch includes the second valve and second solenoid valve, and the second solenoid valve is electrically connected with the pressure gauge.The utility model can meet various pressure release demands.
Description
Technical field
The utility model is related to a kind of pressure relief systems, and in particular, to a kind of pressure relief system of knockout drum.
Background technology
It handles, is cut down in the technique of COD to sewage, sometimes gas can be kept fully mixed using gas-liquid mixing pump
It closes in water, sometimes can complete the step of air supporting is separated by solid-liquid separation using gas-liquid mixing pump.The suction inlet of gas-liquid mixing pump can
To suck gas using suction function, so without air compressor and vacuum pump.High-speed rotating impeller of pump will
Liquid is stirred with gas mixing, so being not necessarily to blender and mixer.Due to the pressurization mixing in pump, gas is fully molten with liquid
Solution, dissolved efficiency is up to 80 ~ 100%.
In actual use, knockout drum can mating gas-liquid mixing pump use, in the gas in injection pump, fail to dissolve
Part can form air pocket in front of the door in pressure-regulating valve, influence molten gas effect.So needing to install gas in the export pipeline of pump
Liquid knockout drum.The size of knockout drum is generally according to the flow set of pump.
Chinese invention patent application number discloses a kind of knockout drum for 201520310499.6, is set in the middle part of tank inner chamber
There is porous plate, and is filled with filler in the tank body between porous plate and water inlet.The invention passes through the floating ball control inside air bleeding valve
The opening and closing of air bleeding valve processed.
Chinese utility model patent 201520731474.3 discloses gas-liquid mixed and separation integrated apparatus, and the structure is logical
Knockout drum 4 is crossed equipped with pressure gauge 41 and air valve 42 to adjust pressure inside the tank.
Above pressure relief is single, it is difficult to meet various pressure demands.
Utility model content
The purpose of this utility model is to provide a kind of pressure relief system：
It includes pressure gauge, the first solenoid valve and the first valve on pipeline main road, wherein pressure gauge, the first solenoid valve
It is sequentially communicated by pipeline with the first valve, the pressure gauge is electrically connected with the first solenoid valve, which is characterized in that one or more
Pipeline branch, the pipeline branch are arranged before the pressure gauge, and pipeline branch includes the second valve and second solenoid valve, described
Second solenoid valve is electrically connected with the pressure gauge.
In some embodiments of the utility model, including 1 pipeline branch.In other embodiments of the utility model
In, including 2 pipeline branches.
In some embodiments of the utility model, the pressure gauge is built-in with relay signal output unit, controls institute
State the switch of the first solenoid valve and the second solenoid valve.
In some specific embodiments of the utility model, relay signal output unit built in the pressure gauge can be with
2 or multiple control points are set.
In one embodiment of the utility model, the relay signal output unit built in the pressure gauge can be arranged
3 control points.Such as low level, middle position and a high position, when pressure in middle position hereinafter, the first solenoid valve is closed, second solenoid valve is closed；When
Pressure reaches middle position, or less than a high position, and the first solenoid valve is opened, and second solenoid valve is closed, until pressure returns to low level, the first electricity
Magnet valve is closed；When pressure attains to a high place, or higher than a high position, the first solenoid valve is opened, and second solenoid valve is opened, until pressure returns to
Middle position, second solenoid valve are closed, and pressure returns to low level, and the first solenoid valve is just closed.
In other embodiments of the utility model, second valve keeps half-open position.
In some embodiments of the utility model, the pressure gauge is electrically connected with general supply.
In some embodiments of the utility model, the caliber of the pipeline branch is less than the caliber of the pipeline main road.
In the prior art, pressure relief device only has first class of protection, that is, reaches threshold values then pressure release, reaches low value and then stops pressure release.
However, the sometimes moment of pressure quick-fried increasing, this pressure relief device is with regard to helpless.
Compared with prior art, the utility model has the beneficial effects that：
1. coping with the pressure moment quick-fried increasing being likely to occur using 2 or more pipeline branches；
2. in the quick-fried increasing of reply moment, quick pressure releasing can be carried out by 2 or more pipeline branches, can also passed through
Cut-out general supply prevents pipeline burst；
It 3. the second valve keeps half-open position, can make in the case where conveying different liquids, increase pressure controlled
Adjustable extent.
Description of the drawings
Fig. 1 shows the schematic diagram of one embodiment of the utility model pressure relief system；
Fig. 2 shows the schematic diagram of another embodiment of the utility model pressure relief system.
Specific implementation mode
It should be understood that those skilled in the art, following content is only the demonstration of the utility model
The description of embodiment is not the limitation to the wider protection domain of the utility model, the wider content of the utility model
It will be embodied by claims.
In the prior art, first class of protection is usually arranged in pressure relief device, i.e., on main road pipeline, or increases in bypass line
Pressure relief device opens valve and carries out pressure release when pressure reaches threshold values, and closing valve when reaching low value stops pressure release.
This structure function is single, if sometimes since line clogging or pressure relief device block, pressure meeting moment is quick-fried
Increase, this pressure relief device having a single function may be helpless.
The purpose of this utility model is to provide a kind of pressure relief system：
It includes pressure gauge, the first solenoid valve and the first valve on pipeline main road, wherein pressure gauge, the first solenoid valve
It is sequentially communicated by pipeline with the first valve, the pressure gauge is electrically connected with the first solenoid valve, which is characterized in that one or more
Pipeline branch, the pipeline branch are arranged before the pressure gauge, and pipeline branch includes the second valve and second solenoid valve, described
Second solenoid valve is electrically connected with the pressure gauge.
In some embodiments of the utility model, including 1 pipeline branch.In other embodiments of the utility model
In, including 2 pipeline branches.
In some embodiments of the utility model, the pressure gauge is built-in with relay signal output unit, controls institute
State the switch of the first solenoid valve and the second solenoid valve.
In some specific embodiments of the utility model, relay signal output unit built in the pressure gauge can be with
2 or multiple control points are set.
In one embodiment of the utility model, the relay signal output unit built in the pressure gauge can be arranged
3 control points.Such as low level, middle position and a high position, when pressure in middle position hereinafter, the first solenoid valve is closed, second solenoid valve is closed；When
Pressure reaches middle position, or less than a high position, and the first solenoid valve is opened, and second solenoid valve is closed, until pressure returns to low level, the first electricity
Magnet valve is closed；When pressure attains to a high place, or higher than a high position, the first solenoid valve is opened, and second solenoid valve is opened, until pressure returns to
Middle position, second solenoid valve are closed, and pressure returns to low level, and the first solenoid valve is just closed.
In other embodiments of the utility model, second valve keeps half-open position.
In some embodiments of the utility model, the pressure gauge is electrically connected with general supply.
In some embodiments of the utility model, the caliber of the pipeline branch is less than the caliber of the pipeline main road.
See that one embodiment of Fig. 1 the utility model, knockout drum 1 are usually used in conjunction with pressure relief device, fails dissolving
Part can form air pocket in front of the door in pressure-regulating valve, influence molten gas effect, so needing to install gas-liquid in the export pipeline of pump
Knockout drum 1.Knockout drum 1 includes two relief pipelines, is pipeline main road 11 and pipeline branch 22, wherein pipeline main road respectively
Include pressure gauge 2, the first solenoid valve 31 and the first valve 41 on 11, includes the second valve 42 and the second electromagnetism on pipeline branch 22
Valve 32.Initial state（I.e. access failure general supply when）, valve 41 and 42 is in the open state, and solenoid valve 31 and 32, which is in, closes shape
State.The caliber of pipeline branch 22 is less than the caliber of pipeline main road 11.Solenoid valve 31 and 32 is electrically connected with pressure gauge 2, pressure gauge 2 with
General supply is electrically connected.When the pressure in knockout drum 1 in middle position hereinafter, solenoid valve 31 and 32 be in close；When pressure reaches
Middle position, or less than a high position, solenoid valve 31 is opened, and solenoid valve 32 is then still in closing, until it is low so that pressure is returned to by pressure release
Position, solenoid valve 31 are closed；In some cases, pressure may directly channel to a high position, or be higher than a high position, and the pressure release of pipeline main road
When device cannot be satisfied pressure release demand, solenoid valve 31 and 32, which is in, to be opened, until pressure returns to middle position, solenoid valve 32 is closed, and
Only when pressure returns to low level, solenoid valve 31 is just closed.
Except case above, Fig. 1 embodiments can also carry out the adaptation of multiple functions, for example, when solenoid valve 31 breaks down, and
In when opening, valve 42 can be made to open in initial state, and valve 41 partially opens to adjust suitable pressure；If solenoid valve
31 break down, and in when closing, then pipeline branch may act as interim decompression function.
Fig. 2 illustrates another embodiment of the utility model, including 2 pipeline branches 22.Initial state（I.e. not
When connecting general supply）, valve 41,42 and 43 are in the open state, and solenoid valve 31,32 and 33 is closed.Pipeline branch
The caliber on road 22 is less than the caliber of pipeline main road 11.Solenoid valve 31,32 and 33 is electrically connected with pressure gauge 2, pressure gauge 2 and general supply
Electrical connection.
In Fig. 1, the function of pipeline branch 22 is to share the vent pressure of pipeline main road 11, similarly, pipeline branch 22 in Fig. 2
It is also same function, the vent pressure of pipeline main road 11 is shared in 2 pipeline branch collaborations.Thus, it will be seen that pipeline branch
22 may be provided at before pressure gauge 2 or after pressure gauge 2, and before solenoid valve 31, identical function equally may be implemented.
Under the spirit and scope without departing from the utility model, those skilled in the art can true the utility model these
With other deformations or replacement.It will additionally be understood that the various aspects of embodiment can on the whole or be partly replaced mutually.And this
Field technology personnel, which should be understood that, is above only by way of example specifically described the utility model.
Claims (6)
1. the pressure gauge, the first solenoid valve on a kind of pressure relief system, including pipeline main road and the first valve, wherein pressure gauge,
One solenoid valve and the first valve are sequentially communicated by pipeline, and the pressure gauge is electrically connected with the first solenoid valve, which is characterized in that also
Including one or more pipeline branch,
The pipeline branch is arranged before the pressure gauge, and pipeline branch includes the second valve and second solenoid valve, and described second
Solenoid valve is electrically connected with the pressure gauge.
2. pressure relief system according to claim 1, which is characterized in that including a pipeline branch.
3. pressure relief system according to claim 1 or 2, which is characterized in that it is defeated that the pressure gauge is built-in with relay signal
Go out unit, controls the switch of first solenoid valve and the second solenoid valve.
4. pressure relief system according to claim 1 or 2, which is characterized in that second valve keeps half-open position.
5. pressure relief system according to claim 1 or 2, which is characterized in that the pressure gauge is electrically connected with general supply.
6. pressure relief system according to claim 1 or 2, which is characterized in that the caliber of the pipeline branch is less than the pipe
The caliber of road main road.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721499300.4U CN207933088U (en) | 2017-11-13 | 2017-11-13 | Pressure relief system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721499300.4U CN207933088U (en) | 2017-11-13 | 2017-11-13 | Pressure relief system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207933088U true CN207933088U (en) | 2018-10-02 |
Family
ID=63645551
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721499300.4U Active CN207933088U (en) | 2017-11-13 | 2017-11-13 | Pressure relief system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207933088U (en) |
-
2017
- 2017-11-13 CN CN201721499300.4U patent/CN207933088U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110170133A (en) | Fire-fighting liquid-supplying system and control method | |
| CN107762663A (en) | It is a kind of to collect the space propulsion system for promoting and adding function integration | |
| CN207933088U (en) | Pressure relief system | |
| CN105350501B (en) | Have and make a concession ice power hydraulic-driven movable dam control system | |
| CN202946920U (en) | Emergency switching-off system of liquefied natural gas tank container | |
| BR102014008799A2 (en) | Liquid collection and evacuation method and subsea compression system | |
| CN102784449B (en) | Remote automatic water supply system | |
| JP3713621B2 (en) | Horizontal shaft pump | |
| CN205315292U (en) | Lightweight is jet from inhaling device for pump | |
| CN206189520U (en) | Water pump auto change over device | |
| CN102102662B (en) | Vacuum pump with anti-back suction function | |
| CN201628078U (en) | Pipeline liquefied gas decompression device | |
| CN208381451U (en) | A kind of hydraulic control valve and pipe-line system | |
| JP2015031273A (en) | Pump unit | |
| CN102242824B (en) | Vacuum breaker valve | |
| CN202954982U (en) | Water supply device of centrifugal pump | |
| CN208684460U (en) | A kind of device integrating level pressure, moisturizing, degassing | |
| CN206592546U (en) | A kind of sealing system for the nitrogen pump that pressurizes | |
| CN104846969A (en) | High-position adjusting and storing secondary water supply system | |
| CN110194270A (en) | A kind of Anti-bubble oil supply system | |
| CN210599359U (en) | Control system and compressor with same | |
| CN109655349A (en) | The high pressure pressure testing device of pipeline for remotely controlling | |
| CN212269484U (en) | Water purifier branch controller | |
| CN209237220U (en) | Anti- frothing foam liquid conveying equipment | |
| CN103195970A (en) | Automatically-controlled valve air reservoir |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |