CN108731873A - A kind of safety device for outlet of plunger pump pressure detecting - Google Patents
A kind of safety device for outlet of plunger pump pressure detecting Download PDFInfo
- Publication number
- CN108731873A CN108731873A CN201711018581.1A CN201711018581A CN108731873A CN 108731873 A CN108731873 A CN 108731873A CN 201711018581 A CN201711018581 A CN 201711018581A CN 108731873 A CN108731873 A CN 108731873A
- Authority
- CN
- China
- Prior art keywords
- buffer unit
- pressure
- bend pipe
- unit connector
- composite
- 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.)
- Pending
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
- G01L19/06—Means for preventing overload or deleterious influence of the measured medium on the measuring device or vice versa
- G01L19/0609—Pressure pulsation damping arrangements
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
The invention belongs to pump discharge pressure field of measuring technique, and in particular to a kind of safety device for outlet of plunger pump pressure detecting.The present invention includes bend pipe buffer unit and composite pressure buffer unit, and bend pipe buffer unit is fixedly connected with composite pressure buffer unit；Composite pressure buffer unit connector connect silk with instrument valve group by connection；So that connecting tube is connected to gauge pipe；Piston is adjusted in pressure buffer room by adjusting knob；Composite pressure buffer unit connector is fixedly connected with bend pipe buffer unit connector, and bend pipe buffer unit connector is fixedly connected with pressure gauge or transmitter.The present invention can protect plunger pump discharge pressure table or transmitter, prevent the instantaneous fluctuation pressure height of plunger pump from being damaged to pressure gauge or transmitter.
Description
Technical field
The invention belongs to pump discharge pressure field of measuring technique, and in particular to a kind of for outlet of plunger pump pressure detecting
Safety device.
Background technology
Plunger pump is widely used in the industry, due to its inherent characteristic, will produce higher instantaneous pulsating pressure.It is every general
It pumps design pressure table (transmitter) and measures pump discharge pressure, sometimes instantaneous arteries and veins of the range of pressure gauge (transmitter) less than pump
Dynamic pressure damages pressure gauge (transmitter).By taking certain nuclear power station as an example, outlet of plunger pump pressure measurement uses intelligent change
Device, transmitter is sent to be connect with pressure pipeline by instrument valve group.The instantaneous fluctuation pressure of outlet of plunger pump is sometime up to 16MPa,
The maximum allowable measurement pressure 10MPa of outlet pressure transmitter leads to pressure transmitter frequency less than the instantaneous pulsation maximum pressure of pump
Numerous damage pumps cisco unity malfunction, has seriously affected the safe and stable operation of unit, meanwhile, pressure transmitter frequent breakage increases
Production maintenance cost is added, has resulted in waste of resources.
Invention content
Present invention solves the technical problem that：The present invention provides a kind of safety device for outlet of plunger pump pressure detecting,
Plunger pump discharge pressure table or transmitter are protected, prevents the instantaneous fluctuation pressure height of plunger pump from causing to damage to pressure gauge or transmitter
It is bad.
The technical solution adopted by the present invention：
A kind of safety device for outlet of plunger pump pressure detecting, including bend pipe buffer unit and composite pressure buffering dress
It sets, bend pipe buffer unit is fixedly connected with composite pressure buffer unit.
The bend pipe buffer unit includes：Bend pipe buffer unit connector, buffering bend pipe, bend pipe buffer unit connector；
Bend pipe buffer unit connector, bend pipe buffer unit connector are fixedly connected with buffering bend pipe.
The composite pressure buffer unit includes：Composite pressure buffer unit connector, adjusting knob, piston, compound pressure
Power buffer unit connector, pressure buffer chamber, connecting tube；Composite pressure buffer unit side is provided with stepped hole, and piston is inserted into rank
In terraced hole, adjusting knob is connect with piston, and composite pressure buffer unit connector bottom is provided with pressure buffer chamber, pressure buffer chamber
Be connected to stepped hole, composite pressure buffer unit is internally provided with connecting tube, connecting tube be connected to composite pressure buffer unit bottom and
The front end of stepped hole.
The composite pressure buffer unit connector connect silk with instrument valve group by connection；So that connecting tube is connected to instrument
Table pipe；Piston is adjusted in pressure buffer room by adjusting knob；Composite pressure buffer unit connector and bend pipe buffer unit
Connector is fixedly connected, and bend pipe buffer unit connector is fixedly connected with pressure gauge or transmitter.
Beneficial effects of the present invention：
(1) it is instantaneous can effectively to buffer pump for a kind of safety device for outlet of plunger pump pressure detecting provided by the invention
Fluctuation pressure reduces the impact to pressure gauge (transmitter) pressure equalizing chamber, to realize pressure gauge (transmitter) stably measured,
Solve the problems, such as pressure gauge (transmitter) frequent breakage；
(2) a kind of safety device for outlet of plunger pump pressure detecting provided by the invention, by can to adjusting knob
To change the space of pressure buffer chamber, the detection of pump discharge pressure under different operating modes can be applied to；
(3) a kind of safety device for outlet of plunger pump pressure detecting provided by the invention, can be with pressure gauge (pick-up
Device), gauge valve directly dock, installation is simple.
Description of the drawings
Fig. 1 is pressure detection safaty device connection diagram；
Fig. 2 is bend pipe buffer unit structure schematic diagram；
Fig. 3 is composite pressure buffer unit structure schematic diagram；
In figure：1- composite pressure buffer unit connectors；2- adjusting knobs；3- pistons；4- composite pressure buffer units connect
Fitting；5- pressure buffer chambers；6- connecting tubes；7- bend pipe buffer unit connectors；8- buffers bend pipe；9- bend pipe buffer units connect
Part；10- pressure gauges or transmitter；11- bend pipe buffer units；12- composite pressure buffer units；13- connections are to silk；14- instrument
Valve group；15- instrument pipelines.
Specific implementation mode
In the following with reference to the drawings and specific embodiments to a kind of peace for outlet of plunger pump pressure detecting provided by the invention
Full device is described in further detail.
As shown in Figure 1, a kind of safety device for outlet of plunger pump pressure detecting provided by the invention, including bend pipe are slow
Flushing device 11 and composite pressure buffer unit 12, bend pipe buffer unit 11 and composite pressure buffer unit 12 are connected through a screw thread.
Wherein, as shown in Fig. 2, bend pipe buffer unit 11 includes：Bend pipe buffer unit connector 7, buffering bend pipe 8, bend pipe
Buffer unit connector 9；Bend pipe buffer unit connector 7, bend pipe buffer unit connector 9 and buffering bend pipe 8 pass through the company of welding
It connects；
As shown in figure 3, composite pressure buffer unit 12 includes：Composite pressure buffer unit connector 1, is lived at adjusting knob 2
Plug 3, composite pressure buffer unit connector 4, pressure buffer chamber 5, connecting tube 6；12 side of composite pressure buffer unit is provided with rank
Terraced hole, piston 3 are inserted into stepped hole, and adjusting knob 2 is connect with piston 3, and 4 bottom of composite pressure buffer unit connector is provided with pressure
Power surge chamber 5, pressure buffer chamber 5 are connected to stepped hole, and composite pressure buffer unit 12 is internally provided with connecting tube 6, and connecting tube 6 connects
The front end of logical composite pressure buffer unit 12 bottom and stepped hole.
Composite pressure buffer unit connector 1 connect silk 13 with instrument valve group 14 by connection；So that connecting tube 6 is connected to
Gauge pipe 15, crimping and transfer processes pressure process；Piston 3 is adjusted in pressure buffer chamber 5 by adjusting knob 2, and pressure buffer is changed
The volume of room 5 controls maximum cushioning pressure；Composite pressure buffer unit connector 4 passes through spiral shell with bend pipe buffer unit connector 9
Line connect so that composite pressure buffer unit 12 and bend pipe buffer unit 11 link together, bend pipe buffer unit connector 7 with
Pressure gauge or transmitter 10 are connected through a screw thread.
The operation principle of the present invention is that：
When pump just starts work, the moment fluctuation pressure of pump is transmitted to composite pressure buffer unit by gauge pipe 15
12, most pump moment fluctuation pressure is buffered, and the moment fluctuation pressure that residue pumps on a small quantity passes through bend pipe buffer unit
11 further buffer, and the outlet pressure finally pumped is transmitted to pressure gauge or transmitter 10, effective to cut down pump moment fluctuation pressure
Impact to pressure gauge or transmitter pressure equalizing chamber reaches the influence for inhibiting pump moment fluctuation pressure excessive, realizes pressure gauge
Or the measurement of transmitter safety and stability.
Claims (4)
1. a kind of safety device for outlet of plunger pump pressure detecting, it is characterised in that：Including bend pipe buffer unit (11) and
Composite pressure buffer unit (12), bend pipe buffer unit (11) are fixedly connected with composite pressure buffer unit (12).
2. a kind of safety device for outlet of plunger pump pressure detecting according to claim 1, it is characterised in that：It is described
Bend pipe buffer unit (11) includes：Bend pipe buffer unit connector (7), buffering bend pipe (8), bend pipe buffer unit connector (9)；
Bend pipe buffer unit connector (7), bend pipe buffer unit connector (9) are fixedly connected with buffering bend pipe (8).
3. a kind of safety device for outlet of plunger pump pressure detecting according to claim 1, it is characterised in that：It is described
Composite pressure buffer unit (12) includes：Composite pressure buffer unit connector (1), adjusting knob (2), piston (3), compound pressure
Power buffer unit connector (4), pressure buffer chamber (5), connecting tube (6)；Composite pressure buffer unit (12) side is provided with ladder
Hole, piston (3) are inserted into stepped hole, and adjusting knob (2) is connect with piston (3), composite pressure buffer unit connector (4) bottom
It is provided with pressure buffer chamber (5), pressure buffer chamber (5) is connected to stepped hole, and composite pressure buffer unit (12) is internally provided with connection
It manages (6), connecting tube (6) is connected to the front end of composite pressure buffer unit (12) bottom and stepped hole.
4. a kind of safety device for outlet of plunger pump pressure detecting according to any one of claim 1-3,
It is characterized in that：The composite pressure buffer unit connector (1) connect silk (13) with instrument valve group (14) by connection；So that
Connecting tube (6) is connected to gauge pipe (15)；Piston (3) is adjusted in pressure buffer chamber (5) by adjusting knob (2)；Composite pressure
Buffer unit connector (4) is fixedly connected with bend pipe buffer unit connector (9), bend pipe buffer unit connector (7) and pressure
Table or transmitter (10) are fixedly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711018581.1A CN108731873A (en) | 2017-10-26 | 2017-10-26 | A kind of safety device for outlet of plunger pump pressure detecting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711018581.1A CN108731873A (en) | 2017-10-26 | 2017-10-26 | A kind of safety device for outlet of plunger pump pressure detecting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108731873A true CN108731873A (en) | 2018-11-02 |
Family
ID=63940862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711018581.1A Pending CN108731873A (en) | 2017-10-26 | 2017-10-26 | A kind of safety device for outlet of plunger pump pressure detecting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108731873A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109630791A (en) * | 2018-12-25 | 2019-04-16 | 中国中轻国际工程有限公司 | A kind of device reducing fluid pulsation impact force |
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|---|---|---|---|---|
| CN2096686U (en) * | 1991-07-13 | 1992-02-19 | 中原石油勘探局采油一厂 | Buffer |
| CN2128377Y (en) * | 1992-04-22 | 1993-03-17 | 中国兵器工业第二○五研究所 | Liquid level display controller |
| CN1253267A (en) * | 1998-11-02 | 2000-05-17 | 三洋电机株式会社 | Stirrer |
| CN200955504Y (en) * | 2006-09-26 | 2007-10-03 | 吴得昌 | Starting control device for pump |
| CN101294751A (en) * | 2008-05-23 | 2008-10-29 | 大连理工大学 | Gas capacity variable frequency modulation self-excitation oscillation jet stream refrigerating machine |
| CN102255092A (en) * | 2011-06-03 | 2011-11-23 | 浙江大学 | Fuel cell, and method and device for controlling gas supply pressure stability of fuel cell |
| CN102343116A (en) * | 2010-07-29 | 2012-02-08 | 皇家飞利浦电子股份有限公司 | Piston pump with variable buffer |
| CN202994363U (en) * | 2012-11-21 | 2013-06-12 | 神华神东保德煤矿 | Pressure gauge elbow with dredge device |
| CN203349983U (en) * | 2013-07-24 | 2013-12-18 | 大同煤矿集团有限责任公司 | Gas tank pressure gauge buffer unit |
| CN105241605A (en) * | 2015-10-29 | 2016-01-13 | 山东大业股份有限公司 | Combined type pressure reduction gauge bending unit |
| CN205175610U (en) * | 2015-11-05 | 2016-04-20 | 重庆气体压缩机厂有限责任公司 | Erection joint of LNG line pressure sensor |
| CN207379666U (en) * | 2017-10-26 | 2018-05-18 | 江苏核电有限公司 | A kind of safety device for outlet of plunger pump pressure detecting |
-
2017
- 2017-10-26 CN CN201711018581.1A patent/CN108731873A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2096686U (en) * | 1991-07-13 | 1992-02-19 | 中原石油勘探局采油一厂 | Buffer |
| CN2128377Y (en) * | 1992-04-22 | 1993-03-17 | 中国兵器工业第二○五研究所 | Liquid level display controller |
| CN1253267A (en) * | 1998-11-02 | 2000-05-17 | 三洋电机株式会社 | Stirrer |
| CN200955504Y (en) * | 2006-09-26 | 2007-10-03 | 吴得昌 | Starting control device for pump |
| CN101294751A (en) * | 2008-05-23 | 2008-10-29 | 大连理工大学 | Gas capacity variable frequency modulation self-excitation oscillation jet stream refrigerating machine |
| CN102343116A (en) * | 2010-07-29 | 2012-02-08 | 皇家飞利浦电子股份有限公司 | Piston pump with variable buffer |
| CN102255092A (en) * | 2011-06-03 | 2011-11-23 | 浙江大学 | Fuel cell, and method and device for controlling gas supply pressure stability of fuel cell |
| CN202994363U (en) * | 2012-11-21 | 2013-06-12 | 神华神东保德煤矿 | Pressure gauge elbow with dredge device |
| CN203349983U (en) * | 2013-07-24 | 2013-12-18 | 大同煤矿集团有限责任公司 | Gas tank pressure gauge buffer unit |
| CN105241605A (en) * | 2015-10-29 | 2016-01-13 | 山东大业股份有限公司 | Combined type pressure reduction gauge bending unit |
| CN205175610U (en) * | 2015-11-05 | 2016-04-20 | 重庆气体压缩机厂有限责任公司 | Erection joint of LNG line pressure sensor |
| CN207379666U (en) * | 2017-10-26 | 2018-05-18 | 江苏核电有限公司 | A kind of safety device for outlet of plunger pump pressure detecting |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109630791A (en) * | 2018-12-25 | 2019-04-16 | 中国中轻国际工程有限公司 | A kind of device reducing fluid pulsation impact force |
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