CN105927847B - Gas storage tank device and compressor with same - Google Patents
Gas storage tank device and compressor with same Download PDFInfo
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- CN105927847B CN105927847B CN201610443175.9A CN201610443175A CN105927847B CN 105927847 B CN105927847 B CN 105927847B CN 201610443175 A CN201610443175 A CN 201610443175A CN 105927847 B CN105927847 B CN 105927847B
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- pipeline
- accommodating chamber
- gas
- storage tank
- gas storage
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- 238000001816 cooling Methods 0.000 claims description 38
- 230000008859 change Effects 0.000 abstract description 11
- 238000013461 design Methods 0.000 abstract description 7
- 230000009467 reduction Effects 0.000 abstract description 6
- 238000006073 displacement reaction Methods 0.000 abstract description 4
- 239000007788 liquid Substances 0.000 description 13
- 238000000034 method Methods 0.000 description 8
- 239000007921 spray Substances 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 239000010687 lubricating oil Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000002826 coolant Substances 0.000 description 2
- 239000000110 cooling liquid Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- 239000003507 refrigerant Substances 0.000 description 2
- 238000012795 verification Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000036760 body temperature Effects 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- -1 that is Substances 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C1/00—Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C5/00—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures
- F17C5/06—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures for filling with compressed gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2201/00—Vessel construction, in particular geometry, arrangement or size
- F17C2201/01—Shape
- F17C2201/0104—Shape cylindrical
- F17C2201/0109—Shape cylindrical with exteriorly curved end-piece
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
- F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
- F17C2223/0107—Single phase
- F17C2223/0123—Single phase gaseous, e.g. CNG, GNC
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2227/00—Transfer of fluids, i.e. method or means for transferring the fluid; Heat exchange with the fluid
- F17C2227/03—Heat exchange with the fluid
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2227/00—Transfer of fluids, i.e. method or means for transferring the fluid; Heat exchange with the fluid
- F17C2227/03—Heat exchange with the fluid
- F17C2227/0367—Localisation of heat exchange
- F17C2227/0369—Localisation of heat exchange in or on a vessel
- F17C2227/0372—Localisation of heat exchange in or on a vessel in the gas
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention provides an air storage tank device and a compressor with the same, wherein the air storage tank device comprises: the tank body is provided with a containing cavity, the tank body is provided with a through hole communicated with the containing cavity, and the through hole is used for introducing media into the containing cavity to maintain the pressure stability in the containing cavity. Through set up the through-hole on jar body, can let in the temperature of the internal gas of medium regulation jar in order to change jar body and hold the pressure in the intracavity according to the gas displacement change of jar body for hold the pressure in the intracavity and maintain under constant pressure all the time. The tank can effectively overcome the problem that the efficiency of the compressor is reduced along with the reduction of the load, ensures that the compressor can operate at high efficiency all the time under the design working condition, and improves the energy efficiency of the compressor.
Description
Technical field
The present invention relates to gas storage technical field, in particular to a kind of gas storage tank device and with its
Compressor.
Background technique
Air accumulator is a kind of pressure vessel, for delaying in the storage of gas, transport and various process flows to gas
The device deposited.The usual volume of air accumulator can not change, and internal pressure changes with gas reserves and changed.
In the prior art, after user is using the gas in air accumulator, the pressure in air accumulator can be reduced.Pressure reduction is to one
Determine degree, compressor is switched on to air accumulator tonifying Qi, and air compensation is greater than gas consumption, and pressure will continue to suppress liter, after being raised to certain value, pressure
Contracting machine is shut down, and compressor is and so on to air accumulator tonifying Qi.The variation of gas storage pressure inside the tank leads to compressor operational efficiency first
Not high, next causes the start and stop of high frequent, seriously affects the service life of compressor.
Summary of the invention
The main purpose of the present invention is to provide a kind of gas storage tank device and with its compressor, to solve the prior art
The unstable problem of middle air accumulator internal pressure.
To achieve the goals above, according to an aspect of the invention, there is provided a kind of gas storage tank device, comprising: tank body,
With accommodating chamber, the through-hole being connected with accommodating chamber is offered on tank body, through-hole is to be passed through medium into accommodating chamber to maintain
Pressure in accommodating chamber is stablized.
Further, gas storage tank device includes cooling line, and cooling line includes: the first pipeline, and the first pipeline passes through logical
Hole is connected with accommodating chamber.
Further, cooling line further include: one end of the second pipeline, the second pipeline is connected by through-hole with accommodating chamber
Logical, the other end of the second pipeline is connected with the first pipeline.
Further, one end of the second pipeline is connected by through-hole with accommodating chamber, the other end of the second pipeline and first
One end of pipeline is connected.
Further, one end of the second pipeline is connected by through-hole with accommodating chamber, the other end of the second pipeline and first
Pipeline is connected and is located between the first end and second end of the first pipeline.
Further, the axis of the axis of the second pipeline and the first pipeline has angle.
Further, the axis of the second pipeline is vertical with the axis of the first pipeline.
Further, solenoid valve is provided on cooling line.
Further, air inlet and air outlet are also provided on tank body, air inlet and air outlet are connected with accommodating chamber.
Further, flowmeter is provided at gas outlet.
Further, gas storage tank device further include: liquid-jet device is provided with controller on liquid-jet device；Cooling line, it is cold
But one end of pipeline is connected with accommodating chamber, and the other end of cooling line is connected with liquid-jet device, controller respectively with setting
Solenoid valve on cooling line is electrically connected with the flowmeter being set at gas outlet.
According to another aspect of the present invention, a kind of compressor, including gas storage tank device are provided, gas storage tank device is upper
The gas storage tank device any one of stated.
Apply the technical scheme of the present invention, gas storage tank device includes tank body, and tank body has accommodating chamber, offered on tank body with
The through-hole that accommodating chamber is connected, through-hole maintain the pressure in accommodating chamber to stablize to be passed through medium into accommodating chamber.By
Through-hole is set on tank body, the temperature for being passed through gas in medium adjusting tank body can be changed according to the gas displacement of tank body to change tank body
Pressure in accommodating chamber, so that the pressure in accommodating chamber maintains under a constant always.The tank body can be efficiently against pressure
Contracting machine efficiency the problem of reducing with load reduction, guarantees the compression function high-efficiency operation under design conditions always, improve
The efficiency of compressor.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present invention, and of the invention shows
Examples and descriptions thereof are used to explain the present invention for meaning property, does not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 shows the structural schematic diagram of the embodiment of gas storage tank device according to the present invention.
10, tank body；11, through-hole；12, air inlet；13, gas outlet；20, the first pipeline；30, the second pipeline；40, electromagnetism
Valve.
Specific embodiment
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
It should be noted that the description and claims of this application and term " first " in above-mentioned attached drawing, "
Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that using in this way
Term be interchangeable under appropriate circumstances, so that presently filed embodiment described herein for example can be in addition to herein
Sequence other than those of diagram or description is implemented.In addition, term " includes " and " having " and their any deformation, it is intended that
Be to cover it is non-exclusive include, for example, containing the process, method, system, product or equipment of a series of steps or units not
Those of be necessarily limited to be clearly listed step or unit, but may include be not clearly listed or for these processes, side
The intrinsic other step or units of method, product or equipment.
For ease of description, spatially relative term can be used herein, as " ... on ", " ... top ",
" ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy
The spatial relation of sign.It should be understood that spatially relative term is intended to comprising the orientation in addition to device described in figure
Except different direction in use or operation.For example, being described as if the device in attached drawing is squeezed " in other devices
It will be positioned as " under other devices or construction after part or construction top " or the device of " on other devices or construction "
Side " or " under other devices or construction ".Thus, exemplary term " ... top " may include " ... top " and
" in ... lower section " two kinds of orientation.The device can also be positioned with other different modes and (is rotated by 90 ° or in other orientation), and
And respective explanations are made to the opposite description in space used herein above.
Now, the illustrative embodiments according to the application are more fully described with reference to the accompanying drawings.However, these are exemplary
Embodiment can be implemented by many different forms, and should not be construed to be limited solely to embodiment party set forth herein
Formula.It should be understood that it is thoroughly and complete to these embodiments are provided so that disclosure herein, and these are shown
The design of example property embodiment is fully conveyed to those of ordinary skill in the art, in the accompanying drawings, for the sake of clarity, it is possible to expand
The big thickness of layer and region, and make that identical device is presented with like reference characters, thus omission retouches them
It states.
As shown in Figure 1, according to one embodiment of present invention, providing a kind of gas storage tank device.The gas storage tank device should
Including tank body 10, tank body 10 has accommodating chamber.Offer the through-hole 11 being connected with accommodating chamber on tank body 10, through-hole 11 to
Medium is passed through in accommodating chamber to maintain the pressure in accommodating chamber to stablize.
In the present embodiment, by the way that through-hole 11 is arranged on tank body 10, it can be changed according to the gas displacement of tank body 10 and be passed through
Medium adjusts the temperature of gas in tank body 10 to change the pressure in 10 accommodating chamber of tank body, so that the pressure in accommodating chamber is tieed up always
It holds under a constant.The tank body 10 can efficiently against compressor with load reduction and efficiency reduce the problem of, guarantee pressure
The contracting function high-efficiency operation under design conditions always, improves the efficiency of compressor.
Specifically change the pressure mode in 10 accommodating chamber of tank body are as follows: when air demand reduces, receive intracavitary interior gas gross
Accumulation, the amount n of substance becomes larger, and needs to increase hydrojet flow or reduces hydrojet temperature, and intracavity gas temperature is received in reduction.Or works as and supply
When tolerance increases, intracavity gas total amount of receiving consumption, n becomes smaller, and needs to reduce hydrojet flow or hydrojet temperature is turned up, increase receive it is intracavitary
Gas temperature.Finally enable and receive intracavitary pressure and remain unchanged always, to guarantee the compression using the gas storage tank device
Machine efficient operation.
Wherein, gas storage tank device includes cooling line.Cooling line includes the first pipeline 20, and the first pipeline 20 passes through through-hole
11 are connected with accommodating chamber.Setting enables medium to smoothly enter in accommodating chamber to change the pressure rings in accommodating chamber in this way
Border.
Further, cooling line further includes the second pipeline 30.One end of second pipeline 30 passes through through-hole 11 and accommodating chamber
It is connected, the other end of the second pipeline 30 is connected with the first pipeline 20.Setting can increase to gas storage tank device referred to as in this way
Reliability when medium is passed through in air accumulator.Preferably, the connection type of the second pipeline 30 and the first pipeline 20 can be screw thread
Connection, is also possible to weld, can also be set to detachable threaded connection, is arranged in this way so that the air accumulator can be with
The specific mounting means that pipeline is designed according to use environment situation, increases the practicability and using flexible of air accumulator.
Second embodiment according to the present invention, the gas storage tank device should include tank body 10 and cooling line.Tank body 10 has
There is accommodating chamber.Offer the through-hole 11 being connected with accommodating chamber on tank body 10, through-hole 11 to be passed through into accommodating chamber medium with
The pressure in accommodating chamber is maintained to stablize.Cooling line includes the first pipeline 20 and the second pipeline 30.Wherein, the one of the second pipeline 30
End is connected by through-hole 11 with accommodating chamber, and the other end of the second pipeline 30 is connected with one end of the first pipeline 20.It sets in this way
It sets and equally plays the role of as playing the cooling line in above-described embodiment, allow the air accumulator according to using ring
Border situation designs the specific mounting means of pipeline, increases the practicability and using flexible of air accumulator.
Third embodiment according to the present invention, the gas storage tank device should include tank body 10 and cooling line.Tank body 10 has
There is accommodating chamber.Offer the through-hole 11 being connected with accommodating chamber on tank body 10, through-hole 11 to be passed through into accommodating chamber medium with
The pressure in accommodating chamber is maintained to stablize.Cooling line includes the first pipeline 20 and the second pipeline 30.One end of second pipeline 30 is logical
It crosses through-hole 11 to be connected with accommodating chamber, the other end of the second pipeline 30 is connected with the first pipeline 20 and is located at the first pipeline 20
Between first end and second end.Setting allows medium to pass through the both ends of the first pipeline 20 while entering in accommodating chamber in this way,
The efficiency that cooling line is passed through cooling medium is effectively increased, so that receiving intracavitary pressure can reach in a short time
Balance.
In the present embodiment, in order to enable cooling line has multiple approach axis, by the axis of the second pipeline 30 and the
The axis of one pipeline 20 is arranged to angle.Preferably, the axis of the second pipeline 30 is vertical with the axis of the first pipeline 20.
Further, solenoid valve 40 is provided on cooling line.Cooling line can be controlled by solenoid valve 40 be passed through appearance
The size of the flow of medium in chamber of receiving then is maintained in accommodating chamber with the better temperature realized control and accommodate intracavity gas
Pressure balance.
Wherein, air inlet 12 and gas outlet 13 are also provided on tank body 10, air inlet 12 and gas outlet 13 are and accommodating chamber
It is connected.Flowmeter is provided at gas outlet 13.By monitoring the capacity of gas outlet 13, can timely understand in accommodating chamber
The situation of change of gas.
4th embodiment according to the present invention, gas storage tank device includes tank body 10, cooling line and liquid-jet device.Tank body
10 have accommodating chamber.The through-hole 11, air inlet 12 and gas outlet 13 being connected with accommodating chamber are offered on tank body 10, through-hole 11 is used
The pressure in accommodating chamber is maintained to stablize to be passed through medium into accommodating chamber.Flowmeter is provided at gas outlet 13.Cooling line
Including the first pipeline 20 and the second pipeline 30.One end of second pipeline 30 is connected by through-hole 11 with accommodating chamber, the second pipeline
30 other end is connected with the first pipeline 20 and is located between the first end and second end of the first pipeline 20.It is set on liquid-jet device
It is equipped with controller.One end of cooling line is connected with accommodating chamber, and the other end of cooling line is connected with liquid-jet device, control
Device is electrically connected with the solenoid valve 40 being arranged on cooling line and the flowmeter being set at gas outlet 13 respectively.Existed by setting
The result of the flowmeter monitoring of gas outlet 13 is reflected on controller, and controller issues the opening of control signal control solenoid valve 40
Degree, that is, solenoid valve 40 controls the size of cooling line opening, so that being passed through cooling medium appropriate in cooling line to accommodating chamber
Interior gas is cooled down or is heated up.
In the present embodiment, gas storage pressure inside the tank is maintained to stablize.Temperature control is realized by the method for Liquid injection cooling, for
It is different to store gas, institute's jetting liquid, that is, medium should have certain limitations: institute's jetting liquid should be with storage gas same substance or with
Storage gas can be easily separated.It is as insensitive to water in stored gas, it can directly spray water, such as the liquid form of stored gas is easy
Obtain then can direct hydrojet state stored substance, can directly lubricating oil spraying be cooled down as stored gas itself contains lubricating oil if.
When compressor interior volume specific ratio, that is, pressure ratio fixes (such as helical-lobe compressor), pressure is maintained to stablize to guarantee compressor
There can be great significance.For the compressor that interior volume specific ratio is fixed, pressure at expulsion and design pressure not will cause overcompression simultaneously
Or under-voltage contracting, cause energy loss.In addition, usually helical-lobe compressor can adjust compressor load according to gas service condition,
But compressor performance is not linear relationship with load variations, performance loss is serious when load is low, and underrun is very uneconomical.
Therefore ideal air accumulator, it would be desirable to be able to maintain pressure to stablize, and guarantee that volume of gas storage tank can continue to accommodate compressor
Design discharge capacity.How volume of gas storage tank can maintain reservoir pressure to stablize according to average gas consumption and the solution of minimum gas consumption
The problem of.
Temperature control is realized by the method for Liquid injection cooling, can cool down flow and the temperature of liquid to control gas in air accumulator
The temperature of body.According to thermodynamic equation of state pV=nRT, in the case where p V is constant, need to adjust T according to the variation of n,
Gas temperature is adjusted according to the variation of gas consumption.Calculated by heat exchange, can calculate gas consumption and cooling liquid stream
Then the functional relation of amount can be used control circuit to carry out automation control.
Mouth spray is added in air accumulator, and adds the flow path of a set of institute's jetting liquid, the flow or temperature-controllable of hydrojet.And add
Add control circuit, flowmeter is installed in exhaust ports, detects the gas displacement of exhaust outlet, flow input control circuit passes through
The flow and temperature setting of optimal cooling liquid is calculated.
It is insensitive to water such as to store gas, then it can be by spraying into high-pressure liquid water, by flashing fast cooling.Such as air accumulator
For cold and heat pump systems processed, storing gas is refrigerant, then it is cooling can be injected directly into liquid refrigerant, and controlling can be more
Add rapidly, does not also change gas componant.It such as stores gas itself and contains lubricating oil, then it is cooling can also to spray into lubricating oil.
Temperature is adjusted by hydrojet, heat exchange efficiency is high, and adjustment speed is fast, and control system is simple.If it is pass through liquid phase
Turn cold but, latent heat of phase change is much larger than alternating temperature sensible heat, then only can quickly adjust gas temperature in air accumulator with adjusting fluid flow.
Because the state equation of real gas is simultaneously unsatisfactory for pV=nRT, the calculated result of control element might not be accurate,
It needs to carry out verification experimental verification for specific gas, and fits empirical equation.Simultaneously in actual production, it is imitated to ensure to adjust
Fruit need to also add temperature sensor and pressure sensor on air accumulator, (because storage is gas, can be full of entire tank body
Space, therefore position is random, as long as gas storage pressure inside the tank and temperature can be measured, can be arranged in centre) these are usually
Air accumulator is originally with regard to indispensable detecting element.
5th embodiment according to the present invention in the case that working conditions of compressor is certain, has a theoretical interior compression
Pressure at expulsion.The pressure is corresponding with the external compression pressure at expulsion of exhaust pipe (can regard reservoir pressure as).Two pressure are equal
When compressor efficiency highest.The internal pressure is indented atmospheric pressure (along with the pressure loss of exhaust pipe to air accumulator) i.e. air accumulator needs
Stable pressure.
It is correction factor according to equation of gas state pV=ZnRT, Z, can be measured according to experiment.P, V, R, Z are constant, need
T is adjusted according to the variation of n.N can be calculated according to the gas consumption of air accumulator, the amount n=n0+nin- of gas in air accumulator
Nout, nin are compressor air-discharging amount i.e. air accumulator air inflows, and nout is user's gas consumption i.e. air accumulator capacity, when n0 is this
The initial reserves started in moment air accumulator are carved, n is the reserves for terminating moment air accumulator at the moment.N substitutes into above formula pV=
Can calculate after ZnRT needs temperature T to be achieved.Then the size of spouting liquid, i.e., the temperature of controllable gas are controlled.
Compressor presses theoretical capacity operation always, so air accumulator air inlet always, is vented tolerance according to user's gas consumption
Variation, the big possibility of possibility is small may also nothing.As long as gas consumption changes, there are the possibility of pressure oscillation, it is necessary to hydrojet control temperature
Degree, and then control pressure.
Such as compressor exhaust temperature T1, be passed through air accumulator, in air accumulator for maintain pressure at expulsion need to maintain T2 (T2 <
The exhaust of T1 is then cooled to T2 by the water of a certain amount of T3 temperature by temperature T1).
For example, enter temperature T1, pressure p 1, the air demand nin of air accumulator after compressor air-discharging, gas temperature in air accumulator
For T2, capacity nout=nin, gas consumption is equal to air demand at this time, and it is constant that gas-storing capacity is maintained at n0, to make gas storage pressure inside the tank
Stablize, gas supply need to be cooled to T2 from T1 for the liquid of T3 (T3 < T2) by spraying into the temperature of mass flow m, stored up at this time
Gas pressure inside the tank is equal to p1, compressor efficient operation.
Certain moment user's gas consumption declines nout '<nin, at this time n=n0+nin-nout '>n0, and gas increases in air accumulator
More, according to pV=ZnRT, if temperature-resistant, pressure will be increased.To maintain pressure constant, then need to reduce temperature, T2 '=
T1*n0/n<T1, can spray into amount m '>m of the lower liquid of temperature by increasing, and the gas stored in air accumulator is reduced temperature
Spend T2 ', it is also necessary to which new supplied gas is also cooled into T2 '.
On the contrary, certain moment user's gas consumption rises nout ">nin, n=n0+nin-nout "<n0 at this time, gas in air accumulator
Body is reduced, and according to pV=ZnRT, if temperature-resistant, pressure will be reduced.To maintain pressure constant, then a liter temperature, T2 " are needed
=T1*n0/n>T1 can spray into amount m "<m of the lower liquid of temperature by reducing, will newly supply body temperature to T2 ", it is also necessary to
The gas stored in air accumulator reduction is increased to T2 " using new supplied gas.
Gas storage tank device in above-described embodiment can be also used for Compressor Technology field, i.e., it is according to the present invention another
Aspect provides a kind of compressor.The compressor includes gas storage tank device, and gas storage tank device is any one of above-mentioned air accumulator
Device.Wherein, gas storage tank device includes tank body 10, and tank body 10 has accommodating chamber.It offers on tank body 10 and is connected with accommodating chamber
Through-hole 11, through-hole 11 maintained to be passed through medium into accommodating chamber the pressure in accommodating chamber stablize.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (7)
1. a kind of gas storage tank device characterized by comprising
Tank body (10) has accommodating chamber, offers the through-hole (11) being connected with the accommodating chamber on the tank body (10), described
Through-hole (11) maintains the pressure in the accommodating chamber to stablize to be passed through medium into the accommodating chamber；
The gas storage tank device includes cooling line, and the cooling line includes:
First pipeline (20), first pipeline (20) are connected by the through-hole (11) with the accommodating chamber；
One end of second pipeline (30), second pipeline (30) is connected by the through-hole (11) with the accommodating chamber, institute
The other end for stating the second pipeline (30) is connected with first pipeline (20)；
Air inlet (12) and gas outlet (13), the air inlet (12) and the gas outlet are also provided on the tank body (10)
(13) it is connected with the accommodating chamber, is provided with flowmeter at the gas outlet (13)；
The gas storage tank device further include:
Liquid-jet device is provided with controller on the liquid-jet device；
Cooling line, one end of the cooling line are connected with the accommodating chamber, the other end of the cooling line with it is described
Liquid-jet device is connected, the controller respectively with the solenoid valve (40) being arranged on the cooling line and be set to it is described go out
Flowmeter electrical connection at port (13).
2. gas storage tank device according to claim 1, which is characterized in that one end of second pipeline (30) passes through described
Through-hole (11) is connected with the accommodating chamber, one end phase of the other end of second pipeline (30) and first pipeline (20)
Connection.
3. gas storage tank device according to claim 1, which is characterized in that one end of second pipeline (30) passes through described
Through-hole (11) is connected with the accommodating chamber, and the other end of second pipeline (30) is connected simultaneously with first pipeline (20)
Between the first end and second end of first pipeline (20).
4. gas storage tank device according to claim 1, which is characterized in that the axis of second pipeline (30) and described the
The axis of one pipeline (20) has angle.
5. gas storage tank device according to claim 4, which is characterized in that the axis of second pipeline (30) and described the
The axis of one pipeline (20) is vertical.
6. gas storage tank device according to claim 1, which is characterized in that be provided with solenoid valve on the cooling line
(40)。
7. a kind of compressor, including gas storage tank device, which is characterized in that the gas storage tank device is any in claim 1 to 6
Gas storage tank device described in.
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| CN105927847B true CN105927847B (en) | 2019-01-18 |
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| CN109529469A (en) * | 2019-01-07 | 2019-03-29 | 江苏鱼跃医疗设备股份有限公司 | A kind of storage tank arrangement and the nitrogen oxygen segregation apparatus using it |
| CN112814876B (en) * | 2021-01-05 | 2022-03-01 | 清华四川能源互联网研究院 | Compressed air energy storage system and method capable of achieving self-temperature equalization and air storage |
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| CN105927847A (en) | 2016-09-07 |
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