CN108302217A - The mechanical device that liquid enters is prevented when a kind of pumping for vacuum plant - Google Patents
The mechanical device that liquid enters is prevented when a kind of pumping for vacuum plant Download PDFInfo
- Publication number
- CN108302217A CN108302217A CN201810223522.6A CN201810223522A CN108302217A CN 108302217 A CN108302217 A CN 108302217A CN 201810223522 A CN201810223522 A CN 201810223522A CN 108302217 A CN108302217 A CN 108302217A
- Authority
- CN
- China
- Prior art keywords
- staving
- flange
- vacuum plant
- piece
- storing cavity
- 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
Links
- 239000007788 liquid Substances 0.000 title claims abstract description 20
- 238000005086 pumping Methods 0.000 title claims abstract description 13
- 238000002955 isolation Methods 0.000 claims abstract description 33
- 238000007667 floating Methods 0.000 claims abstract description 15
- 238000007789 sealing Methods 0.000 claims abstract description 9
- 238000000926 separation method Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K7/00—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves
- F16K7/12—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves with flat, dished, or bowl-shaped diaphragm
- F16K7/14—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves with flat, dished, or bowl-shaped diaphragm arranged to be deformed against a flat seat
- F16K7/17—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves with flat, dished, or bowl-shaped diaphragm arranged to be deformed against a flat seat the diaphragm being actuated by fluid pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
- F16K27/0236—Diaphragm cut-off apparatus
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/18—Actuating devices; Operating means; Releasing devices actuated by fluid actuated by a float
- F16K31/20—Actuating devices; Operating means; Releasing devices actuated by fluid actuated by a float actuating a lift valve
- F16K31/22—Actuating devices; Operating means; Releasing devices actuated by fluid actuated by a float actuating a lift valve with the float rigidly connected to the valve
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Jet Pumps And Other Pumps (AREA)
Abstract
The present invention proposes the mechanical device for preventing liquid from entering when a kind of pumping for vacuum plant, including staving, the staving includes air storing cavity, the opening down setting of staving, the staving opening are arranged with bulge loop, and the bulge loop is equipped with bolt hole, the first flange piece being fixedly linked by bolt hole with it is equipped with below the bulge loop, the first flange on piece is inserted with tube body, and the tube body includes separate cavities, and the first flange on piece is equipped with the through-hole for being connected to separate cavities and air storing cavity；It further include sealing device, the sealing device includes piston rod, is located in air storing cavity floating ball is fixed on the isolation board of first flange on piece and the isolation film with isolation board fitted seal, described piston rod one end is inserted by through-hole in air storing cavity to be connected with floating ball, the other end is located in separate cavities to be connected with isolation film, the piston rod can be moved up and down with respect to first flange piece, and the staving is equipped with the gas vent being connected with vacuum plant.
Description
Technical field
Present invention relates particularly to the mechanical devices for preventing liquid from entering when a kind of pumping for vacuum plant.
Background technology
Vacuum plant refers to being obtained using machinery, physics, chemically or physically chemical method to being evacuated by pumping container
Obtain the device or equipment of vacuum.For popular, vacuum plant is to be improved in a certain enclosure space with various methods, generated and tieed up
Hold the device of vacuum.Existing vacuum plant is directly connected in the equipment for needing to vacuumize, and is easy to lead when vacuumizing in this way
It causes the medium in equipment to flow into vacuum plant, the parts in vacuum plant can be damaged, it is extremely dangerous, it is serious to lead
Cause the generation of safety accident.
Invention content
Based on the above issues, present invention aims at provide it is a kind of it is simple in structure, small, using convenient and leakproofness
Mechanical device good and for preventing liquid from entering when vacuum plant pumping.
In view of the above problems, providing following technical solution：Prevent liquid from entering when a kind of pumping for vacuum plant
Mechanical device, including staving, the staving include air storing cavity, and the opening down setting of staving, the staving opening is arranged
There are bulge loop, the bulge loop to be equipped with bolt hole, the first flange being fixedly linked by bolt hole with it is equipped with below the bulge loop
Piece, the first flange on piece are inserted with tube body, and the tube body includes separate cavities, and the first flange on piece is equipped with for being connected to
The through-hole of separate cavities and air storing cavity；Further include sealing device, the sealing device includes piston rod, is located at floating in air storing cavity
Ball, the isolation board for being fixed on first flange on piece and the isolation film with isolation board fitted seal, described piston rod one end pass through
Through-hole is inserted into air storing cavity to be connected with floating ball, and the other end is located at that separate cavities are interior to be connected with isolation film, and the piston rod is with respect to the
One flange plate can move up and down, and the tube body end is equipped with second flange piece, and the staving is equipped with to be connected with vacuum plant
Gas vent.
In above structure, it is connected with the equipment vacuumized is needed by second flange piece, is connected by gas vent pipeline
It is connected on vacuum plant, gas under the action of vacuum plant in air storing cavity is constantly taken out by vacuum plant by gas vent
It goes, forms certain negative pressure, under pressure, the equipment vacuumized by the needs that second flange piece is connect with separate cavities, if
Standby interior gas is endlessly discharged to air storing cavity by separate cavities, is being pumped by vacuum plant by gas vent, is working as equipment
Interior gas is all after discharge, and liquid enters air storing cavity by separate cavities and floating ball is driven to rise, and isolation film is by piston rod floating
Constantly rise under the drive of ball, after isolation film reaches isolation board, is acted on by pressure, form water seal between isolation board, it will
Separate cavities are isolated with air storing cavity, prevent more liquid from entering vacuum plant by air storing cavity, to play protection vacuum
The effect of device.After vacuum is completed to shut down, when in separate cavities such as no liquid, floating ball is under the action of gravity and air pressure
Diaphragm is driven voluntarily to be detached with isolation board, recyclable realization vacuumizes the production process with gas-liquid separation.
The present invention is further arranged to, and the bulge loop is with staving by being welded and fixed.
Using the above structure, it enables to bulge loop to be connected firmly with staving, prevents pressure excessive and lead to staving and bulge loop
Separation, to increase stability.
The present invention is further arranged to, and the isolation film is arranged on the piston rod, and its end is fixed by nut.
Using the above structure, isolation film usage time length it is easy to wear long afterwards, in this way setting can it is easy to disassemble, replacement every
From film.
The present invention is further arranged to, and connecting tube is inserted on the gas vent, and the connecting tube passes through welding with staving
It is fixed.
Using the above structure, gas vent is connected by pipeline with vacuum plant, and setting connecting tube can increase pipeline and row
Fastness between stomata avoids pipeline from deviating from and leads to the generation of safety accident, increases safety.
Beneficial effects of the present invention：The configuration of the present invention is simple, compact are more effectively controlled liquid with conveniently
Vacuum plant is cannot be introduced into air storing cavity, to ensure that the efficient of vacuum plant, safety and sustainable operation.
Description of the drawings
Fig. 1 is the structural diagram of the present invention.
Figure label meaning：1- stavings；2- air storing cavities；3- bulge loops；31- bolts hole；4- first flange pieces；41- through-holes；5-
Tube body；51- separate cavities；6- sealing devices；61- piston rods；62- floating balls；63- isolation boards；64- isolation films；7- second flange pieces；
8- gas vents；81- connecting tubes.
Specific implementation mode
With reference to the accompanying drawings and examples, the specific implementation mode of the present invention is described in further detail.Implement below
Example is not limited to the scope of the present invention for illustrating the present invention.
A kind of mechanical device for being used to prevent liquid from entering when vacuum plant pumping as shown in Figure 1, including staving 1, institute
It states staving 1 and includes air storing cavity 2,1 opening down setting of the staving, 1 opening of the staving is arranged with bulge loop 3, the bulge loop 3
It is equipped with bolt hole 31, the lower section of the bulge loop 3 is equipped with the first flange piece 4 being fixedly linked by bolt hole 31 with it, and described the
Be inserted with tube body 5 on one flange plate 4, the tube body 5 includes separate cavities 51, the first flange piece 4 be equipped with for be connected to every
Through-hole 41 from chamber 51 and air storing cavity 2；Further include sealing device 6, the sealing device 6 includes piston rod 61, is located at air storing cavity 2
Interior floating ball 62, the isolation board 63 being fixed on first flange piece 4 and the isolation film 64 with 63 fitted seal of isolation board, it is described
61 one end of piston rod is inserted by through-hole 41 in air storing cavity 2 to be connected with floating ball 62, and the other end is located in separate cavities 51 and is isolated
Film 64 is connected, and the piston rod 61 can be moved up and down with respect to first flange piece 4, and 5 end of the tube body is equipped with second flange piece 7,
The staving 1 is equipped with the gas vent 8 being connected with vacuum plant.
In above structure, it is connected with the equipment vacuumized is needed by second flange piece 7, pipeline is used by gas vent 8
It is connected on vacuum plant, gas under the action of vacuum plant in air storing cavity 2 is by gas vent 8 constantly by vacuum plant
It pumps, forms certain negative pressure, under pressure, set by what the needs that second flange piece 7 is connect with separate cavities 51 vacuumized
Standby, the gas in equipment is endlessly discharged to air storing cavity 2 by separate cavities 51, is taken out by vacuum plant by gas vent 8
It goes, after the gas in equipment is all discharged, liquid enters air storing cavity 2 by separate cavities 51 and floating ball 62 is driven to rise, isolation film
64 are constantly risen by piston rod 61 under the drive of floating ball 62, after isolation film 64 reaches isolation board 63, are acted on by pressure,
Water seal is formed between isolation board 63, separate cavities 51 are isolated with air storing cavity 2, prevent more liquid from passing through air storing cavity 2
Into vacuum plant, to play the role of guard vacuum.After vacuum is completed to shut down, such as nothing in separate cavities 51
When liquid, floating ball 62 drives diaphragm voluntarily to be detached with isolation board 63 under the action of gravity and air pressure, is recycled and realizes that pumping is true
The empty production process with gas-liquid separation.
In the present embodiment, the bulge loop 3 is with staving 1 by being welded and fixed.Bulge loop 3 is enabled to be connected firmly with staving 1,
Prevent that pressure is excessive and staving 1 is caused to be detached with bulge loop 3, to increase stability.
In the present embodiment, the isolation film 64 is set on piston rod 61, and its end is fixed by nut.Isolation film 64
Usage time length is easy to wear long afterwards, and setting in this way being capable of easy to disassemble, replacement isolation film 64.
In the present embodiment, connecting tube 81 is inserted on the gas vent 8, the connecting tube 81 is solid by welding with staving 1
It is fixed.Gas vent 8 is connected by pipeline with vacuum plant, and setting connecting tube 81 can increase secured between pipeline and gas vent 8
Property, it avoids pipeline from deviating from and leads to the generation of safety accident, increase safety.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvements and modifications can also be made, above-mentioned hypothesis these
Improvement and modification also should be regarded as protection scope of the present invention.
Claims (4)
1. preventing the mechanical device that liquid enters when a kind of pumping for vacuum plant, it is characterised in that：Including staving, the bucket
Body includes air storing cavity, the opening down setting of staving, and the staving opening is arranged with bulge loop, and the bulge loop is equipped with bolt
Hole, the bulge loop lower section are equipped with the first flange piece being fixedly linked by bolt hole with it, and the first flange on piece is inserted with
Tube body, the tube body include separate cavities, and the first flange on piece is equipped with the through-hole for being connected to separate cavities and air storing cavity；Also wrap
Include sealing device, the sealing device includes piston rod, the floating ball that is located in air storing cavity, the isolation for being fixed on first flange on piece
Plate and isolation film with isolation board fitted seal, described piston rod one end is inserted into air storing cavity and floating ball phase by through-hole
Even, the other end is located in separate cavities and is connected with isolation film, and the piston rod can be moved up and down with respect to first flange piece, the tube body
End is equipped with second flange piece, and the staving is equipped with the gas vent being connected with vacuum plant.
2. preventing the mechanical device that liquid enters, feature when a kind of pumping for vacuum plant according to claim 1
It is：The bulge loop is with staving by being welded and fixed.
3. preventing the mechanical device that liquid enters, feature when a kind of pumping for vacuum plant according to claim 1
It is：The isolation film is arranged on the piston rod, and its end is fixed by nut.
4. preventing the mechanical device that liquid enters, feature when a kind of pumping for vacuum plant according to claim 1
It is：Connecting tube is inserted on the gas vent, the connecting tube is with staving by being welded and fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810223522.6A CN108302217A (en) | 2018-03-19 | 2018-03-19 | The mechanical device that liquid enters is prevented when a kind of pumping for vacuum plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810223522.6A CN108302217A (en) | 2018-03-19 | 2018-03-19 | The mechanical device that liquid enters is prevented when a kind of pumping for vacuum plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108302217A true CN108302217A (en) | 2018-07-20 |
Family
ID=62850077
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810223522.6A Pending CN108302217A (en) | 2018-03-19 | 2018-03-19 | The mechanical device that liquid enters is prevented when a kind of pumping for vacuum plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108302217A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2015701C1 (en) * | 1991-12-20 | 1994-07-15 | Кучеров Николай Владимирович | Hydrovacuum mixing system for liquid components |
| CN2289952Y (en) * | 1997-02-02 | 1998-09-02 | 曹锡良 | Reversible flow liquid level valve |
| CN201606547U (en) * | 2010-01-20 | 2010-10-13 | 山西飞象农机制造有限公司 | One-way ball float valve of sludge pumping machine for marsh gas tank |
| CN201636426U (en) * | 2010-04-16 | 2010-11-17 | 随州市亿丰型钢有限公司 | Anti-overflow valve device of vacuum pump |
| CN106704679A (en) * | 2017-01-18 | 2017-05-24 | 沈阳鑫联石化设备有限公司 | Floating ball type automatic exhaust valve with guide device |
| CN207961603U (en) * | 2018-03-19 | 2018-10-12 | 浙江伯拉流体设备科技有限公司 | The mechanical device that liquid enters is prevented when a kind of pumping for vacuum plant |
-
2018
- 2018-03-19 CN CN201810223522.6A patent/CN108302217A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2015701C1 (en) * | 1991-12-20 | 1994-07-15 | Кучеров Николай Владимирович | Hydrovacuum mixing system for liquid components |
| CN2289952Y (en) * | 1997-02-02 | 1998-09-02 | 曹锡良 | Reversible flow liquid level valve |
| CN201606547U (en) * | 2010-01-20 | 2010-10-13 | 山西飞象农机制造有限公司 | One-way ball float valve of sludge pumping machine for marsh gas tank |
| CN201636426U (en) * | 2010-04-16 | 2010-11-17 | 随州市亿丰型钢有限公司 | Anti-overflow valve device of vacuum pump |
| CN106704679A (en) * | 2017-01-18 | 2017-05-24 | 沈阳鑫联石化设备有限公司 | Floating ball type automatic exhaust valve with guide device |
| CN207961603U (en) * | 2018-03-19 | 2018-10-12 | 浙江伯拉流体设备科技有限公司 | The mechanical device that liquid enters is prevented when a kind of pumping for vacuum plant |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20130315818A1 (en) | High pressure hydrogen gas compressor | |
| CN207961603U (en) | The mechanical device that liquid enters is prevented when a kind of pumping for vacuum plant | |
| CN204402891U (en) | A kind of energy saving and environment friendly Roots vacuum system | |
| CN108302217A (en) | The mechanical device that liquid enters is prevented when a kind of pumping for vacuum plant | |
| CN202971122U (en) | Self-suction diaphragm pulse circulating pump | |
| CN201292950Y (en) | Injection self-priming pump | |
| CN206647680U (en) | A kind of Multifunction pipeline water-hammer arrester | |
| CN204704084U (en) | A kind of circulating water jet vacuum equipment | |
| CN209309026U (en) | A kind of water pump having filtering function | |
| CN102996417A (en) | Self-suction membrane pulse circulating pump | |
| CN207960865U (en) | A kind of No leakage plunger type metering pump | |
| CN203075256U (en) | Internal circulating water jetting vacuum system for high-pressure steam sterilizer | |
| CN201416462Y (en) | Vacuum steam recovery device for steam turbine | |
| CN210595236U (en) | Liquid pumping device | |
| CN206485322U (en) | A kind of vacuum liquid-absorbing device | |
| CN102563949A (en) | Vacuumizing method and equipment thereof | |
| CN109751277B (en) | Positive and negative pressure working condition mechanical seal for self-priming pump | |
| CN212868043U (en) | Loop vacuum pumping device | |
| CN216342796U (en) | Safety device for liquid ring-based water ring vacuum pump | |
| CN114658698B (en) | Combined liquid injection vacuumizing system and vacuumizing method | |
| CN215099348U (en) | Nitrogen sealing device capable of respectively adjusting positive pressure and negative pressure | |
| CN214403688U (en) | Condenser cooling system | |
| CN107107727A (en) | Include the hydraulic circuit of the extremely low pressure vessel in negative pressure | |
| CN212690345U (en) | Device for eliminating water ring type vacuum pump cavitation | |
| CN220011342U (en) | Powder sending tank for pipeline conveying |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180720 |
|
| RJ01 | Rejection of invention patent application after publication |