CN1080364A - The special use device of general fluid power machine - Google Patents
The special use device of general fluid power machine Download PDFInfo
- Publication number
- CN1080364A CN1080364A CN 92104932 CN92104932A CN1080364A CN 1080364 A CN1080364 A CN 1080364A CN 92104932 CN92104932 CN 92104932 CN 92104932 A CN92104932 A CN 92104932A CN 1080364 A CN1080364 A CN 1080364A
- Authority
- CN
- China
- Prior art keywords
- chamber
- fluid power
- septum
- working medium
- general fluid
- 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
Images
Landscapes
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Abstract
The present invention is a kind of special use device of general fluid power machine.Have special work done ability by giving general fluid power machine, thus finish general fluid power machine the work that can not finish.Its main body is to adopt the barrier film of one group of state sensor, final controlling element, automatic controller control chamber of septum to move up and down, and the fluid dynamic in dynamic medium chamber is passed to working medium.The secondary power that working medium is obtained has pollution-free, hermetically sealed, to special applications functions such as working medium physical and chemical performance adaptability are strong.
This device be applicable to extraordinary fluid conveying, compress, vacuumize and reclaim.
Description
The invention relates to fluid power plant with multiple function.Specifically, be about fluid the vacuumizing, carry, compress and reclaim of many extraordinary fluids (vacuumizing compression) device particularly.
Usually, the conveying of rare noble gas is finished by membrane compressor.This compressor makes medium keep pure, and good airproof performance, but owing to be subjected to the intensity of diaphragm material and the restriction of liquid inertia, its film chamber volume can not be too big, rotating speed can not be too high (＜500r/min), only be applicable to little tolerance (＜100m
3/ H) carry.In addition, the complicated in mechanical structure of this compressor, the volume heaviness involves great expense, and work mechanism is stiff, and efficient is very low.These can be found out from the parameter comparison table (table 1) of molding machine and air compressor significantly:
Table 1
Continuous table 1:
(data are selected from " the chemistry of fuel industry equipment data book " that material supply management office of burning portion compiled in 1975 in the table 1)
Usually the acquisition of no oily rough vacuum realizes by the Bellows seal type oil-sealed rotary pump.Though this pump has solved the oil pollution problem, brought the metallic dust pollution, and ultimate vacuum not high (general 〉=2000Pa), its other shortcoming be the running noises height (＞90db), inefficiency, the volume heaviness, cost is higher.(the detailed introduction of this vacuum pump can be rolled up 177 pages of third phases referring to " vacuum science and technology " the 3rd).
It is that 86207843 " gas filling and recovering device " is to adopt oil-free lubrication Bellows seal type oil-sealed rotary pump and diaphragm type compressor series connection to reclaim SF that the patent No. is arranged
6Gas, this device has the various shortcomings of oil-free vacuum pump and diaphragm type compressor.
Other has the patent No. is 89204749 " charging and discharging and recovering device of gas ", utilizes inner chamber the pressurized container of rubber bag and oil-sealed rotary pump to be housed with SF
6Gas is extracted in this container, and the degree of vacuum that the suction inlet of dependence diaphragm type compressor provides is with the SF in this container
6Gas is taken away, finishes recovery operation.The shortcoming of this device is the two-stage use of must connecting, as has left the diaphragm type compressor of back level, and prime can't be worked, thereby this device still has the various shortcomings of diaphragm type compressor.
More than two kinds of devices be manual operations, shortcoming such as system complex, Security, reliability can not get guaranteeing, the diaphragm type compressor maintenance is frequent.
Above machine or device all can not be as the conveyings of liquid.
A kind of electric diaphragm pump of carrying liquid is arranged, and as IMLN-2.5/12, its volume is big, involves great expense, and the parameters comparison with 1.5GC-5 * 6 boiler feed pumps sees Table two:
Table two
(data are selected from " the electronic product catalogue " that the complete general bureau of national machinery compiled in 1980 in the table 2).
Another kind of diaphragm metering pump, as VMF-200/4, its flow is 200l/h, lift 40m, volume are 1123 * 590 * 657(length * wide * height), reference price was 6200 yuan in 80 years, this pump generally only is used for metering liquid.Because of its flow is little, the price height has limited its application area.
More than two kinds of pumps all can not be as the conveying of gas.
Purpose of the present invention will be used general fluid power machine exactly and form and a kind ofly can contamination-freely carry special fluid, can contamination-freely carry, compress, reclaim special gas again, can also be as pollution-free high-vacuum apparatus, light and handy, cheap, the novel power device that can control automatically.
Design of the present invention is to adopt many chamber of septum to be connected by valve and the ingenious of pipeline with the common power engine (hereinafter to be referred as the motive force machine) of cheapness, the firstth, make working medium and dynamic medium be in isolation all the time, all motive force machines are positioned at dynamic medium one side (being called power source one time), the secondth, by setting each valve of sequence control, make the operation of motive force machine become the new clean machine source (being called secondary power source) of working medium one side according to medium state.
Specifically, the special use device of the general fluid power machine that proposes according to the present invention, include chamber of septum, general fluid power machine, valve and connecting tube, its characteristics are that common power engine is connected dynamic medium mouth one side of chamber of septum by valve, working medium mouth one side of chamber of septum also connects by valve, form a fluid intake and a fluid extrusion mouth, its characteristics also have automatic controller and digital display, the input end of automatic controller be arranged on chamber of septum dynamic medium mouth, the working medium mouth, the state sensor that fluid intake and fluid extrude place such as mouth links to each other, and its output terminal is received each control valve, digital display
B, vacuumizing when using, the conventional vacuum pump is worked, (in order to make this pump), and the working medium chamber can obtain meeting or exceeding the ultimate vacuum of this conventional vacuum pump in the rough vacuum scope in the work of efficiency operation district.(2X sliding vane rotary vacuum pump pumping speed characteristic diagram is seen " mechanical engineering manual " the 14th volume 77-122 page or leaf)
C, these power plant are electromechanical device (liquid) integrated device.The work overall process is controlled by automatic controller (as electronic computer).Select rational running parameter and computer software, implement device full process automatization and high efficiency (optimum Working), thus also improved the safety reliability of work.
3, good economy performance:
Product economy of the present invention is better than the product of prior art.
Further specify the present invention below by accompanying drawing and embodiment, but the present invention is not limited by these embodiments.
Fig. 1 is the pipe-line system schematic diagram of the embodiment of the invention.
Fig. 2 is an embodiment of the invention automatic controller theory diagram.
Fig. 3 is barrier film precompose one of structural design scheme schematic representation of exerting oneself.
(1) to (8) is control valve among Fig. 1, (9), (10) are chamber of septum, (11) be one-way valve, (12), (13) replenish discharging dynamic medium valve for control, (14) be control valve, (15) and (18) are the motive force machine, and (16), (17) are control valve, A to F is state (pressure) sensor, a
1Point is dynamic medium negative pressure mouth, b
1Point is dynamic medium malleation mouth, a
2Point is working medium suction port, b
2Point extrudes mouth for working medium.
A ' is respectively the induced signal that A to F sends here among Fig. 1 to F ' among Fig. 2, (19) be A/D converter, (20) be electronic computer, (21) be D/A converter, (22) be driving amplifier, (23) be digital display, (1 ') to (8 '), the power control terminal of (12 ') to (18 ') difference map interlinking and motive force machine.
Principle of the present invention is to control the keying of each controlled valve by setting sequential loop, the motive force machine is just taken turns dynamic medium to be pressed into from the malleation mouth dynamic medium chamber of respective diaphragm chamber, and take turns its negative pressure mouth of the dynamic medium inspiration in the dynamic medium chamber, respective diaphragm chamber, barrier film in each chamber of septum is up-down alternative motion just, this motoricity makes the medium in the working medium chamber, respective diaphragm chamber also alternately be inhaled into or extrude, and extrudes mouth so make working medium-fluid uniaxially transport to fluid from fluid intake.
The sequential loop of controlled valve opens and closes and is controlled by automatic controller, and the foundation of its control is from the induced signal and the setting switch condition of each state sensor.Digital display can demonstrate each status parameter intuitively in entire work process, wherein in a single day the purpose status parameter reaches the setting requirement, and automatic controller just sends instruction, cuts off the dynamo-electric source of motive force, end-of-job.
Automatic controller and digital display can adopt electronic computer and CRT thereof.The sampling induced signal of each state sensor is by A/D conversion input electronic computer, electronic computer is by the program running of its setting, from its I/O mouth output control signal, amplify the power control terminal of the keying of control respective valves and control motive force machine by D/A conversion and driving.
The status parameter of each sensor especially purpose status parameter can directly be shown by CRT, give active force mechanism in the chamber of septum, make barrier film have one point to the dynamic medium cavity direction give active force P, when vacuumizing application, when the motive force machine is worked in the efficiency operation district (degree of vacuum is lower), ultimate vacuum in the working medium chamber is than the low △ P=P/S of the degree of vacuum in the dynamic medium chamber, (S is the barrier film useful area), in fact, ultimate vacuum can not reach zero in the working medium chamber, but the ultimate vacuum that meets or exceeds the motive force machine is very easily, even also can reach condition of high vacuum degree.
Because the chamber of septum internal volume among the present invention can be done very big, such as the chamber of septum big several magnitude of 250l() than molding machine, barrier film can adopt flexible material making such as rubber, its freedom of movement is very big, and its speed that at every turn moves back and forth and amplitude can need be adjusted by state by automatic controller, main is that dynamic medium and working medium are in complete isolation all the time.In addition, barrier film and working medium cavity wall can also apply one deck fluoroplastic (to adapt to the needs of strong corrosive medium) easily.Thereby these power plant have possessed the not available advantage of common power engine, go to finish general fluid power machine the work that can not finish.Specifically, it has following advantage:
1, simple in structure, easy to manufacture, cheap
The motive force machine is not had strict requirement, and the form of its dynamic medium, purity, leakage etc. do not influence the performance of secondary power source.As long as can make (malleation mouth pressure-negative pressure mouth pressure)=(extruding mouth pressure-suction pressure), and motive force acc power 〉=secondary power source power demand is got final product.Usually the motive force machine adopts general compressor, conventional vacuum pump and general liquid pump.The manufacturing of chamber of septum simultaneously also is easy to, and other parts are all very cheap.
2, performance is strong:
A, secondary power source have the power (being high efficiency) of motive force machine basically, have the incomparable multi-functional and strong adaptability of motive force machine simultaneously again.Such as finishing different specific weight, different phase (or gas-liquid mixed phase), wide temperature range, fluids such as severe corrosive hermetically sealed contamination-freely carried, compresses, vacuumized and recovery operation.The control end of (1) to (8), (12) to (18) in 1.
(24) are working medium chamber wall among Fig. 3, and (25) are barrier film (being stained with the hook of using for fixing spring), and (26) are dynamic medium chamber wall, and (27) are the dynamic medium mouth of pipe (being welded on the wall of dynamic medium chamber), and (28) are extension spring, and (29) are taper pin.
Embodiment 1: adopt common compressor (as 1-0.433/60; 1-0.27/150; CZ-20/30) and conventional vacuum pump (as 2X-30) as motive force machine [(15) among Fig. 1 and (18)].Make secondary power source have the pollution-free kinetic energy that vacuumizes and compress.Be specially adapted to do SF
6The power source of gas concentration unit.This routine working principle as depicted in figs. 1 and 2.
This routine overall process is the circulation of following 4 kinds of working staties, provides power by the motive force machine.
State 1: chamber of septum (9) epicoele sucks fluid from suction port, and chamber of septum (10) epicoele is from extruding a mouthful extrusion fluid.Action is: valve (1), (2), (5), (6) are open-minded, and valve (3), (4), (7), (8), (14) are closed, and as A＜B+ △ P, during and C＞D+ △ P, this state is ended.(△ P=P/S, P are that the precompose of film is exerted oneself, and S is the film useful area).
State 2: chamber of septum (10) cavity of resorption dynamic medium is to chamber of septum (9) cavity of resorption balance.Action is open-minded for valve (2), (4), (7), and valve (3), (5), (6), (8), (14) are closed.When A 〉=(C-△ C), (△ C ≈ 10%C), this state is ended.
State 3a: chamber of septum (10) epicoele sucks fluid from suction port, and barrier film (9) epicoele mouthful extrudes a fluid from extruding, and moves to valve (3), (4), (7), (8) open-mindedly, and valve (1), (2), (5), (6), (14) are closed.As A＞B+ △ P, during and C＜D+ △ P, this state is ended.
State 3b: chamber of septum (10) epicoele sucks fluid from chamber of septum (9) epicoele, and chamber of septum (9) epicoele is pressed into fluid to chamber of septum (10) epicoele.Valve this moment (14) is open-minded, and valve (7), (8) are closed, and the action of all the other valves and state end of a period condition are with state 3a.
State 3a and state 3b can select as required in advance, also can select reasonably a kind of automatically according to the needs of working state in the course of the work by automatic controller.
State 4: chamber of septum (9) cavity of resorption dynamic medium is to chamber of septum (10) cavity of resorption balance.Action is: valve (2), (4), (5) are open-minded, and valve (1), (3), (6), (7), (8) are closed.As C 〉=(A-△ A), this state is ended when (△ A ≈ 10%A).
The transformation of four kinds of working staties by state 1 to state 2 to state 3a(or state 3b) order of getting back to state 1 to state 4 constantly circulates.
The transformation of four kinds of working staties is to realize like this, pressure transducer A～F is transformed into analog electric signal with the force value of each point and delivers to A '～F ', after the A/D conversion, input to computer, computer program and control data (being the state transition condition parameter) all store among the ROM, computer is according to program and control data and from the input signal of A/D, the needed output signal of compute control.When any one state end signal of four kinds of working staties occurs, computer is exported the command signal of downward a kind of state-transition after treatment immediately, and this signal is finished four kinds of working staties circulations through D/A digital-to-analog conversion and the corresponding valve event of amplifier amplification rear driving.
Four kinds of working staties constantly circulate, and make the ability of doing of motive force machine pass to secondary power source efficiently.
Above work cycle, compressor (15), valve (16), (17), conventional vacuum pump (18) also needs coordination, makes the maximum pressure of malleation mouth can reach the rated discharge pressure of air compressor (15), can make the degree of vacuum of negative pressure mouth reach required value simultaneously.Coordination is performed such, when suction port E 〉=0.1MPa, and compressor (15) work, valve (16) is opened, and valve (17) is closed, and vacuum pump (18) stops.
As E＜0.1MPa, when and C＜0.1MPa or A＜0.1MPa, valve (16) is closed, compressor (15) off-load, and valve (17) is opened, vacuum pump (18) work.
The cavity of resorption dynamic medium will in time replenish or discharge an amount of dynamic medium with the needs of working state in the above working procedure.Have only as A＜B+ △ P and C≤D+ △ P; Or C＜D+ △ P and A≤B+ △ P is when setting up, and valve (12) is just opened, additional dynamic medium, otherwise valve (12) is closed.Similarly have only when A 〉=1.05B or C 〉=1.05D, valve (13) is just opened, the discharging dynamic medium.Otherwise valve (13) is closed.
Automatically cut-off condition is: suction port E≤lower limit set value, or extrude a mouthful F 〉=upper limit set value.
More than each the action also all finish automatically by setup program by computer.
The purposes of present embodiment:
1, is specially adapted to reclaim SF
6Gas.The pollution-free recovery of automation, and reclaim thoroughly (residual voltage＜100Pa).Only need during use the fluid intake of this device is connected with container to be recycled (High-Voltage Electrical Appliances), fluid is extruded mouthful and storage container (as SF
6Standard jar) connects, start this routine described device, can finish SF satisfactorily
6The recovery operation of gas.Liquid if desired storage, so extrude mouthful with storage container between also should be connected in series heat exchanger, its heat exchanging function is taken advantage of SF by liquefaction speed
6The long-pending design of vaporization heat.
2, as the conveying of inflammable or strongly corrosion liquid, utilize the self-absorption function of this device this device can be installed in beyond the safe distance in these liquid storehouses (or underground storehouse), the Security in these liquid storehouses is improved.
Embodiment 2: pollution-free conveying and supercharging device
Present embodiment makes the following changes on embodiment 1 basis: (1), dismounting vacuum pump (18); (2), disconnect the power supply of valve (16), (17), (valve (16) is a normally open solenoid valve, and valve (17) is a normally closed solenoid valve), all the other are all with embodiment 1, as depicted in figs. 1 and 2.
Working principle and process are also just the same.
Select the common compressor (15) of different flow and pressure for use, can make this device be applicable to the needs of different flow and pressure occasion.
Select for use different materials or technology (as being coated with fluoroplastic) to make barrier film, working medium cavity wall and pipeline valve etc., can make this device be applicable to the needs of the conveying of heterogeneity fluid.
The purposes of present embodiment:
1, be used for the conveying or the filling bottle of special gas, Economy is better than diaphragm type compressor;
2, be used to carry the liquid of different specific weight, phenomenon can not occur transshipping;
3, be used for the conveying of special fluid, Economy, Security are better than special liquid pump;
4, be used for Boiler Steam supercharging, can reduce the working pressure grade of boiler the gas-liquid mixed phase.
Embodiment 3: pollution-free vacuum system
Present embodiment adopts the conventional vacuum pump to make the motive force machine as (2X-30), replaces (15) among Fig. 1.Also adopt barrier film to have the exert oneself chamber of septum of P of precompose.(as shown in Figure 3).All the other compositions and working principle are all with embodiment 2.As depicted in figs. 1 and 2.
The purpose of present embodiment makes the conventional vacuum pump in rough vacuum district efficiency operation exactly.(as 1.5KPa～110KPa, pumping speed efficient＞85%), and make the ultimate vacuum of secondary power source meet or exceed the ultimate vacuum of this vacuum pump, and do not pollute.This purpose is to realize that by the precompose of the barrier film P that exerts oneself this principle part of the present invention has in front been narrated clear.The effect of present embodiment: the pollution-free vacuum system that utilizes present embodiment to provide replaces complex structure, the oil-free vacuum pump that involves great expense or oil-free vacuum unit.
Claims (6)
1, a kind of special use device of general fluid power machine is formed by connecting with pipeline and valve and chamber of septum by general fluid power machines such as vacuum pump, compressor, liquid pumps, the invention is characterized in:
(a), chamber of septum has many, general fluid power machine is used by separate unit or many All-China Federation of Taiwan Compatriots, be connected dynamic medium mouth one side of chamber of septum with valve and pipeline, the working medium mouth of chamber of septum also couples together with valve and pipeline, forms a working medium suction port and working medium and extrudes mouthful;
(b), dynamic medium mouth, working medium mouth and working medium suction port, the working medium extrusion mouth at chamber of septum respectively is provided with state sensor;
(c), have automatic controller and digital display, the input end of automatic controller links to each other with each state sensor, output terminal links to each other with digital display with each control valve, general fluid power machine power control terminal.
2, the special use device of general fluid power machine according to claim 1 is characterized in that described automatic controller is made up of computer, A/D converter, D/A converter and driving amplifier.
3, the special use device of general fluid power machine according to claim 1 and 2 is characterized in that described state sensor is a pressure transducer.
4, the special use device of general fluid power machine according to claim 1 is characterized in that on the barrier film of chamber of septum the preact force mechanisms being housed.
5,, it is characterized in that the preact force mechanisms that barrier film is provided with is a spring mechanism according to the special use device of claim 1 or 4 described general fluid power machines.
6, the special use device of general fluid power machine according to claim 1 is characterized in that being covered with one deck fluoroplastic on the barrier film of chamber of septum and the working medium cavity wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92104932 CN1080364A (en) | 1992-06-17 | 1992-06-17 | The special use device of general fluid power machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92104932 CN1080364A (en) | 1992-06-17 | 1992-06-17 | The special use device of general fluid power machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1080364A true CN1080364A (en) | 1994-01-05 |
Family
ID=4941077
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 92104932 Pending CN1080364A (en) | 1992-06-17 | 1992-06-17 | The special use device of general fluid power machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1080364A (en) |
-
1992
- 1992-06-17 CN CN 92104932 patent/CN1080364A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1243637C (en) | Controller for hydroaulic press and method for operation thereof | |
| CN110360077B (en) | Auxiliary liquid draining device for natural gas well | |
| CN1172086C (en) | Pneumatic plunger type grouting pump and slurry-dispensing machine and automatic slurry-dispensing grouting equipment | |
| CN2142921Y (en) | Device for recoverying and filling gas | |
| CN1080364A (en) | The special use device of general fluid power machine | |
| CN2638853Y (en) | Glue spotting machine | |
| CN112377384A (en) | Controllable two-stage compression air compressor | |
| CN2260228Y (en) | Apparatus for filling or recovering gas SF6 of oil-free type | |
| CN202040039U (en) | Single-acting hydraulic driving reciprocating plunger pump | |
| CN218177378U (en) | Multifunctional intelligent high-pressure plunger device | |
| CN1303330C (en) | Cylinder driving system and energy regenerating method thereof | |
| CN111749868A (en) | Compression device suitable for high inlet pressure | |
| CN207634409U (en) | Pressure charging system | |
| CN206988044U (en) | A kind of air compressor | |
| CN100522388C (en) | Glue injection machine dedicated for biological plasticized silicone rubber | |
| CN2525271Y (en) | Pneumatic plunger mortar grouting pump and mixing machine and automatic mortar mixing and grouting equipment | |
| CN211008941U (en) | Clean energy air pressure water lifting power generation device | |
| CN101858364A (en) | Air-driven pump | |
| CN213630373U (en) | Low-pressure steam recovery system | |
| CN210278391U (en) | Filter pressing device is used in production of high molecular polymer cement waterproof coating | |
| CN204200534U (en) | Hydraulic volume pump | |
| CN208858668U (en) | A kind of energy-efficient four cylinder of flexible pipe membrane pump back and forth drives pump control hydraulic system | |
| CN206886207U (en) | A kind of domestic ceramics automatic transferring machinery device | |
| CN213016732U (en) | Diaphragm compressor | |
| CN2405662Y (en) | Powder-spraying device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C01 | Deemed withdrawal of patent application (patent law 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |