CN108167649A - A kind of temperature and pressure balancing device applied to pressure energy of natural gas power generation process - Google Patents
A kind of temperature and pressure balancing device applied to pressure energy of natural gas power generation process Download PDFInfo
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- CN108167649A CN108167649A CN201810065160.2A CN201810065160A CN108167649A CN 108167649 A CN108167649 A CN 108167649A CN 201810065160 A CN201810065160 A CN 201810065160A CN 108167649 A CN108167649 A CN 108167649A
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- tank body
- natural gas
- main tank
- pressure
- temperature
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D1/00—Pipe-line systems
- F17D1/08—Pipe-line systems for liquids or viscous products
- F17D1/082—Pipe-line systems for liquids or viscous products for cold fluids, e.g. liquefied gas
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L3/00—Gaseous fuels; Natural gas; Synthetic natural gas obtained by processes not covered by subclass C10G, C10K; Liquefied petroleum gas
- C10L3/06—Natural gas; Synthetic natural gas obtained by processes not covered by C10G, C10K3/02 or C10K3/04
- C10L3/10—Working-up natural gas or synthetic natural gas
- C10L3/101—Removal of contaminants
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D3/00—Arrangements for supervising or controlling working operations
- F17D3/01—Arrangements for supervising or controlling working operations for controlling, signalling, or supervising the conveyance of a product
Abstract
The invention discloses a kind of temperature and pressure balancing devices applied to pressure energy of natural gas power generation process, its packet main tank body, and it is provided at circumferentially spaced in the main tank body several filled with phase-changing energy storage material, cold energy in cryogenic natural gas is absorbed by the phase-changing energy storage material, the temperature at the air outlet pipe of natural gas main tank body is made to meet the temperature requirement into downstream pipe network, prevents from causing irreversible influence to the valve and equipment of subsequent pipeline.Simultaneously, the axostylus axostyle that tank interior is arranged with suspension ball is fixed in the main tank body, the circulation area of main tank body is changed, and then change the resistance coefficient for the fluid for flowing through main tank body along the back-and-forth motion of axostylus axostyle extending direction according to stressing conditions by suspension ball, realizes the adjusting to fluid mutation pressure.
Description
Technical field
The present invention relates to pressure energy of natural gas using technical field, more particularly to a kind of pressure energy of natural gas that is applied to generates electricity
The temperature and pressure balancing device of process.
Background technology
In recent years due to industrial, civilian and environmental requirement, China's natural gas pipe-line construction enters rapid development period, in advance
Count the year two thousand twenty, by newly-built more than natural gas line 20000km, year conveying capacity will be up to 4200 × 108Nm3More than.Natural gas exists
During being transported to user's use by pressure piping, contain huge pressure energy resource for developing and using.
The pressure energy contained during natural gas transportation is usually used in generating electricity, but be primarily present pressure in power energy power generation project
The problem of contracting machine outlet stream body hypothermia and turbo-expander outlet are with pulsatile impact.Low temperature may change the object of equipment
Manage characteristic（For example, hardening or embrittlement etc.）, lead to its working performance by temporary or permanent damage；And pulsatile impact
Property outlet do not meet combustion gas not only and enter urban pipe network requirement, but also the generations such as follow-up equipment instrument vibration may be made to generate shearing
It destroys and wears, both of these problems all can cause irreversible destruction to subsequent equipment and pipeline valve, to pressure energy
Certain difficulty is brought using the operation and maintenance of project.Chinese invention patent application CN104806882A discloses one kind and is applied to
Temperature, pressure balancer during natural gas expansion power generation has buffer gas and hydrate impurity in removal fluid of rising again
Effect, and it is easy for installation, easily safeguard.But natural gas and cross-ventilation heat-transfer effect are bad in the device practical application, heating
Effect is little, is unable to reach the temperature requirement of downstream line.Chinese invention patent application CN105627018A provides a kind of answer
To pipeline pressure mutation fluid damping device, for adjusting influence of the upstream line pressure change to upstream device, under maintenance
Swim the normal operation of equipment.The device makes simply, and operating flexibility is big, but is susceptible to bead in case in the device actual motion
The situation of uncontrolled random motion is carried out in body so that the device can not play its it is normal act on, device stability compared with
Difference is subject to certain restrictions.
Thus the prior art could be improved and improve.
Invention content
In view of the deficiencies in the prior art, the technical problems to be solved by the invention are a kind of to be applied to pressure energy of natural gas
The temperature and pressure balancing device of power generation process.
In order to solve the above-mentioned technical problem, the technical solution adopted in the present invention is as follows：
A kind of temperature and pressure balancing device applied to pressure energy of natural gas power generation process, including main tank body；It is set in the main tank body
It is equipped with axostylus axostyle and suspension ball；Circumferentially extending of the axostylus axostyle along the main tank body, the suspension ball are sheathed on the axostylus axostyle
And can be slided along the axostylus axostyle extending direction, to adjust the pressure for the natural gas for flowing into low-pressure pipe network by the suspension ball；Institute
State main tank body inner wall it is circumferentially spaced have several hollow barrels, filled with phase-changing energy storage material in the hollow barrel,
The temperature of the natural gas of main tank body is flowed through by phase-changing energy storage material adjusting.
The temperature and pressure balancing device applied to pressure energy of natural gas power generation process, wherein, the shape of the main tank body is
One week revolving body formed is rotated about the axis by oval curve, the oval curve includes the first circular arc and the second circular arc, and
Second arc diameter is 2-4 times of the first arc diameter.
The temperature and pressure balancing device applied to pressure energy of natural gas power generation process, wherein, the radian of the hollow grooved tube
It is consistent with the radian of main inner tank wall.
The temperature and pressure balancing device applied to pressure energy of natural gas power generation process, wherein, the main tank body both ends are coaxial
Be provided with air outlet pipe and air inlet pipe, the main tank body both ends it is coaxial be provided with air outlet pipe, air inlet pipe and forward and backward fixed dress
It puts；The axostylus axostyle both ends are connected respectively with forward and backward fixing device, are fixed in main tank body by forward and backward fixing device.
The temperature and pressure balancing device applied to pressure energy of natural gas power generation process, wherein, it is set in the preceding fixing device
Barrier net is equipped with, prevents natural gas from carrying impurity by the barrier net and enters in main tank body.
The temperature and pressure balancing device applied to pressure energy of natural gas power generation process, wherein, the axostylus axostyle is located at the master
On the axis of tank body, and the diameter of the axostylus axostyle is respectively smaller than the caliber of air inlet pipe and the caliber of air outlet pipe.
The temperature and pressure balancing device applied to pressure energy of natural gas power generation process, wherein, the outer surface of the axostylus axostyle is covered
It is stamped graphite lubrication layer.
The temperature and pressure balancing device applied to pressure energy of natural gas power generation process, wherein, the diameter point of the suspension ball
It great Yu not the caliber of air inlet pipe and the caliber of air outlet pipe.
The temperature and pressure balancing device applied to pressure energy of natural gas power generation process, wherein, it is provided on the main tank body
Observation window, the observation window use alkali-free alumina silicate glass.
The temperature and pressure balancing device applied to pressure energy of natural gas power generation process, wherein, the phase-changing energy storage material packet
Hexadecane and n-tetradecane are included, the two volume ratio is 2:3.
Advantageous effect：Compared with prior art, the present invention provides a kind of applied to pressure energy of natural gas power generation process
Temperature and pressure balancing device, packet main tank body, and it is provided at circumferentially spaced in the main tank body several filled with phase-changing energy storage material, pass through
The phase-changing energy storage material absorbs the cold energy in cryogenic natural gas, make temperature at the air outlet pipe of natural gas main tank body meet into
Enter the temperature requirement of downstream pipe network, prevent from causing irreversible influence to the valve and equipment of subsequent pipeline.It is meanwhile described
The axostylus axostyle that tank interior is arranged with suspension ball is fixed in main tank body, by suspension ball according to stressing conditions along axostylus axostyle extending direction
The circulation area to change main tank body is moved forward and backward, and then changes the resistance coefficient for the fluid for flowing through main tank body, realizes convection current
The adjusting of body mutation pressure.In addition, the temperature and pressure balance device structure is simple, and it is small, be conducive to the design of sledge dressization, and can root
Device size is designed according to requirement of actual working condition, the adjusting that corresponding size is effectively carried out for each operating mode is handled；Small volume is advantageous
In carrying out compact-sized sledge dressization design, space is saved, greatly reduces occupation of land, and it is convenient to remove, convenient for flowing, on using
It is more flexible.
Description of the drawings
Fig. 1 is the structural representation of the temperature and pressure balancing device provided by the invention applied to pressure energy of natural gas power generation process
Figure.
Fig. 2 is the sectional view of the temperature and pressure balancing device provided by the invention applied to pressure energy of natural gas power generation process.
Fig. 3 is rear fixed dress in the temperature and pressure balancing device provided by the invention applied to pressure energy of natural gas power generation process
It puts and air outlet pipe position relationship schematic diagram.
Fig. 4 is preceding fixed dress in the temperature and pressure balancing device provided by the invention applied to pressure energy of natural gas power generation process
Put the structure diagram of configuration barrier net.
Specific embodiment
The present invention provides a kind of temperature and pressure balancing device applied to pressure energy of natural gas power generation process, to make the mesh of the present invention
, technical solution and effect it is clearer, clear and definite, the present invention is described in more detail for the embodiment that develops simultaneously referring to the drawings.
It should be appreciated that specific embodiment described herein is not intended to limit the present invention only to explain the present invention.
Below in conjunction with the accompanying drawings, by the description of the embodiment, being described further to invention content.
As depicted in figs. 1 and 2, the temperature and pressure balancing device includes main tank body 3, axostylus axostyle 10, suspension ball 9 and several hollow
Barrel 4.There is circulation passage, the axostylus axostyle 10 is set in the circulation passage, and extends the circulation in the main tank body 3
The extending direction extension of channel.Several hollow barrels 10 are circumferentially spaced to be set on the inner wall of the main tank body 3, and
The hollow barrel 4 extends along the extending direction of the circulation passage.The suspension ball 9 is sheathed on the axostylus axostyle 10, and
It can be slided along 10 extending direction of axostylus axostyle, to adjust the circulation area of the circulation passage of the main tank body 3.The hollow barrel
Filled with phase-changing energy storage material 5, when natural gas flows through the circulation passage of the main tank body 3, cryogenic natural gas and the phase in 4
Change energy-storage material 5 carries out heat exchange, to adjust the temperature of the cryogenic natural gas.The present embodiment in main tank body 3 by setting
Suspension ball 9 and the filling phase-changing energy storage material 5 in the hollow barrel 4, by the two to flowing through the temperature of the natural gas of main tank body
And pressure is adjusted, while solves that compressor outlet natural gas temperature is low and turbo-expander outlet is with pulsation punching
The problem of hitting property.
The shape of the main tank body 3 is to rotate about the axis one week revolving body formed, and described avette by oval curve
Curve includes the first circular arc and the second circular arc, and second arc diameter is 2-4 times of the first circular arc.Due to the oval curve
Shape and length will influence the coefficient of partial resistance of fluid circulation resistance, so as to design avette song according to pipeline actual condition
The specification of line, and then determine according to the specification of the oval curve specification of the main tank body.In embodiment, the main tank
The tank body maximum gauge of body is 5-8 times of natural gas line caliber.
As shown in Figure 1, the main tank body 3 is provided at both ends with air outlet pipe 11 and air inlet pipe 1, the air outlet pipe 11 with it is described into
Tracheae 1 is coaxially disposed, and the air outlet pipe 11 is overlapped with axis of the axis of the air inlet pipe 1 with main tank body 3.The master
Fixing device 8 before tank body 3 is provided with 1 junction of air inlet pipe, the main tank body 3 are solid after being provided with 11 end junction of air outlet pipe
Determine device 6.10 both ends of axostylus axostyle are connected respectively with preceding fixing device 8 and posterior fixation devices 6, and pass through the preceding fixed dress
Put 8 and posterior fixation devices 6 be fixed in the main tank body 3, and the axis of the center line of the axostylus axostyle 10 and the main tank body 3
It overlaps.In the present embodiment, the air inlet pipe 1 is located at the second circular arc side, and the air outlet pipe 1 is located at the first circular arc side.
As shown in figure 3, the preceding fixing device 8 is identical with 6 structure of posterior fixation devices, if the preceding fixing device 8 be by
Solid fixed pole is along the circumferential direction equidistantly positioned, and described several fixed one end are connected with each other, the other end with main tank body
It is connected.In addition, as shown in figure 4, the preceding fixing device 6 is additionally provided with a barrier net 12, crushed by the barrier net 12
Or gas hydrates ice crystal and other impurities is intercepted, to prevent the impurity carried in natural gas from entering main tank body 3, prevent miscellaneous
Matter blocks air outlet pipe 11 or downstream line.In the present embodiment, the barrier net 12 is preferably stainless steel cloth, described stainless
The aperture of steel steel wire is preferably 1mm.
The air inlet pipe 1 is connected with upstream line, and the air outlet pipe 11 is connected with downstream line.It when in use can be with
Air inlet pipe 1 and air outlet pipe 11 and upstream line, the connection mode of downstream line are selected according to the situation of actual condition, for example, working as
When natural gas pipe caliber is smaller, pressure is relatively low, threaded connection may be used；When natural gas pipe caliber is larger, pressure is higher
When, it can be with flanged joint.In addition, can respectively set a sealing ring for having sealing function and with upstream and downstream pipeline junction
Two sealing rings, to prevent damping unit gas leakage.In the present embodiment, it can be set in the upstream line of 1 front end of air inlet pipe
There is a blowdown valve 7, the blowdown valve 7 and the distance of the preceding fixing device 8 can be 5-10mm, can by the blowdown valve 7
Timing excludes the pollutant of air inlet pipe front end, ensures the smoothness that upstream line is connected with air inlet pipe, avoids by barrier net resistance
Every pollutant block air inlet pipe.
Further, the top curve surface of the main tank body 3 is provided with observation window 2,2 and the observation window is close to air inlet
Pipe end.The observation window 2 uses alkali-free alumina silicate glass, position can in gross examination of skeletal muscle damping unit suspension ball 9 fortune
Emotionally condition, and then the quick pressure changing for judging upstream gas.
The axostylus axostyle 10 uses cube structure, and smooth outer surface, fluid is with axostylus axostyle 10 almost without the work of frictional force
With that is, no pressure loses.The cross section of the axostylus axostyle 10 can be embedded in the cross section of the air inlet pipe 1 and air outlet pipe 11 respectively
It is interior, main tank body 3 can be flowed by air inlet pipe 1 with the natural gas of upstream line, and pass through air outlet pipe 11 and flow out main tank in this way
Body 3.In the present embodiment, the horizontal stroke at the center of the cross section of the axostylus axostyle 10, the cross-section center of air inlet pipe 1 and air outlet pipe 11
On the same line, the straight line is overlapped with the axis of main tank body 3 at the center in section, can cause that axostylus axostyle same position is all in this way
The fluid flow area enclosed is identical.In addition, the cross section of the air inlet pipe 1 and the cross-sectional shape and size of air outlet pipe 11 are equal
Identical, when the cross section of axostylus axostyle 10 is Chong Die with the cross section of air inlet pipe 1, the cross section of the axostylus axostyle 10 is embedded in the air inlet
In the cross section of pipe 1, and there is no intersection point with the cross section of air inlet pipe 1.In addition, the axostylus axostyle 10 can also use other shapes
Shape, for example, circle etc..
The suspension ball 9 can be hollow baton round, a diameter of natural gas line of the suspension ball 9（Such as, upstream tube
Road）2~3 times of caliber, surface is smooth, so the effect of fluid and suspension ball 9 almost without frictional force, i.e. no pressure are damaged
It loses.The suspension ball 9 will determine flow area size of the gas by main tank body 3 along the movement of the extending direction of axostylus axostyle 10, when
During upstream fluid steady flow, 9 stress balance of suspension ball is still in the middle part of main tank body 3, when upstream fluid pressure increases,
Under Fluid pressure effect, suspension ball 9 is moved to 11 direction of air outlet pipe, is reduced according to tank body shape flow circulation area, is passed through increasing
Big resistance coefficient increases pressure drop；When upstream fluid pressure reduces, suspension ball 9 is moved to 1 direction of air inlet pipe, fluid flow area
Increase, resistance coefficient, which reduces pressure drop, to be reduced, and plays the effect for adjusting downstream pressure.
Further, in order to reduce the friction between suspension ball 9 and axostylus axostyle 10, the outer surface of the axostylus axostyle 10 is provided with lubrication
Layer, the lubricant layer, as lubricant, to reduce the friction coefficient of axostylus axostyle, and then are moved using graphite in suspension ball along axostylus axostyle
When, the friction between the suspension ball and axostylus axostyle can be ignored.Moreover it is preferred that the axis of the axostylus axostyle is described outstanding
One diameter of floating ball.
Interval in several hollow barrels 4 between the hollow barrel 4 of arbitrary neighborhood two is equal, and several grooves
The structure all same of pipe 4.The hollow barrel 4 is oval curve type hollow pipe.The oval curve shape of the hollow barrel 4 with
The shape for forming the oval curve of the main tank body 3 is identical, so that in the radian of the hollow barrel 4 and the main tank body 3
The radian of wall is consistent.Can ensure the compactness of hollow barrel 4 and 3 inner wall of main tank body in this way, avoid hollow barrel 4 with
The problem of getting along gap between main tank body 3 and influencing the coefficient of partial resistance of the temperature and pressure balancing device.In practical applications, institute
The height for stating barrel is the 1/5-1/3 of natural gas line caliber.
It is 2 that the phase-changing energy storage material 5, which is volume ratio,:3 hexadecane and the mixture of n-tetradecane, when natural gas into
After becoming owner of tank body 3, cryogenic natural gas is in contact with hollow barrel 4, and the phase-changing energy storage material 5 with being filled in hollow barrel 4
Heat interaction is carried out, the cold energy that the phase-changing energy storage material 5 in hollow barrel 4 absorbs cryogenic natural gas cools to solidification point, to occur
Phase transformation releases a large amount of heat to provide heat source for cryogenic natural gas；Cryogenic natural gas absorbs the heat temperature that phase-changing energy storage material is released
Temperature rise, the natural gas after heat absorption flow out tank body by air outlet pipe 11 and enter downstream pipe network.Further, since temperature and pressure balancing device
Applied in the system for intermittent work, when the system is operating, phase-changing energy storage material cools down with natural gas heat exchange；When being
During system rest, phase-changing energy storage material achievees the effect that heating by tube wall and air heat-exchange.
Further, here by taking certain voltage regulating station as an example, 45Nm in branch3/ h, 0.7MPa natural gases are sent out by expander
Pressure is reduced to 0.4MPa after electricity, and temperature illustrates that the course of work of temperature and pressure balancing device provided by the invention is specific for being reduced to -6 degree
Can be：
The voltage regulating station flows through barrier net 12 with the natural gas of upstream line that the temperature and pressure balancing device is connect by air inlet pipe 1
The pollutant for filtering its carrying laggard becomes owner of tank body 3；Natural gas after filtering connects after being full of main tank body 3 with hollow barrel 4
It touches, the natural gas around phase-changing energy storage material 5 and hollow barrel 4 in hollow barrel 4 enters heat exchange, the covert energy storage material
Material 5 is undergone phase transition when cooling to solidification point releases a large amount of heat, the heat that the absorbing natural gas phase-changing energy storage material 5 is released
And heat up, the natural gas after heating flows out main tank body 3 to enter downstream pipe network by air outlet pipe 11.Meanwhile when upstream fluid is steady
When constant current is moved, 9 stress balance of suspension ball is still in the middle part of main tank body 3, when upstream fluid pressure increases, makees in Fluid pressure
Under, suspension ball 9 is moved to 11 direction of air outlet pipe, is reduced according to tank body shape flow circulation area, by increasing resistance coefficient
Increase pressure drop；When upstream fluid pressure reduces, suspension ball 9 is moved to 1 direction of air inlet pipe, fluid flow area increase, resistance
Coefficient, which reduces pressure drop, to be reduced, and adjusts the pressure of downstream line.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
The present invention is described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that：It still may be used
To modify to the technical solution recorded in foregoing embodiments or carry out equivalent replacement to which part technical characteristic；
And these modification or replace, various embodiments of the present invention technical solution that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (10)
1. a kind of temperature and pressure balancing device applied to pressure energy of natural gas power generation process, which is characterized in that it includes main tank body；Institute
It states and axostylus axostyle and suspension ball is provided in main tank body；Circumferentially extending of the axostylus axostyle along the main tank body, the suspension ball are arranged
In can slide on the axostylus axostyle and along the axostylus axostyle extending direction, adjusted with to pass through the suspension ball and flow into the natural of low-pressure pipe network
The pressure of gas；The inner wall of the main tank body is circumferentially spaced several hollow barrels, and phase is filled in the hollow barrel
Change energy-storage material flows through the temperature of the natural gas of main tank body by phase-changing energy storage material adjusting.
2. it is applied to the temperature and pressure balancing device of pressure energy of natural gas power generation process according to claim 1, which is characterized in that institute
The shape for stating main tank body is to rotate about the axis one week revolving body formed by oval curve, and the oval curve includes the first circular arc
With the second circular arc, and second arc diameter is 2-4 times of the first arc diameter.
3. it is applied to the temperature and pressure balancing device of pressure energy of natural gas power generation process according to claim 2, which is characterized in that institute
The radian for stating hollow grooved tube is consistent with the radian of main inner tank wall.
4. it is applied to the temperature and pressure balancing device of pressure energy of natural gas power generation process according to claim 1, which is characterized in that institute
State main tank body both ends it is coaxial be provided with air outlet pipe, air inlet pipe and forward and backward fixing device；The axostylus axostyle both ends respectively with it is preceding,
Posterior fixation devices are connected, and are fixed in main tank body by forward and backward fixing device.
5. it is applied to the temperature and pressure balancing device of pressure energy of natural gas power generation process according to claim 4, which is characterized in that institute
Barrier net is provided in fixing device before stating, prevents natural gas from carrying impurity by the barrier net and enters in main tank body.
6. it is applied to the temperature and pressure balancing device of pressure energy of natural gas power generation process according to claim 4, which is characterized in that institute
It states axostylus axostyle to be located on the axis of the main tank body, and the diameter of the axostylus axostyle is respectively smaller than the caliber and air outlet pipe of air inlet pipe
Caliber.
7. it is applied to the temperature and pressure balancing device of pressure energy of natural gas power generation process according to claim 4, which is characterized in that institute
The diameter for stating suspension ball is respectively greater than the caliber of air inlet pipe and the caliber of air outlet pipe.
8. it is applied to the temperature and pressure balancing device of pressure energy of natural gas power generation process according to claim 1, which is characterized in that institute
The outer surface of axostylus axostyle is stated covered with graphite lubrication layer.
9. it is applied to the temperature and pressure balancing device of pressure energy of natural gas power generation process according to claim 1, which is characterized in that institute
It states and observation window is provided on main tank body, the observation window uses alkali-free alumina silicate glass.
10. it is applied to the temperature and pressure balancing device of pressure energy of natural gas power generation process according to claim 1, which is characterized in that
The phase-changing energy storage material includes hexadecane and n-tetradecane, and the two volume ratio is 2:3.
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| CN201810065160.2A CN108167649A (en) | 2018-01-23 | 2018-01-23 | A kind of temperature and pressure balancing device applied to pressure energy of natural gas power generation process |
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| CN201810065160.2A CN108167649A (en) | 2018-01-23 | 2018-01-23 | A kind of temperature and pressure balancing device applied to pressure energy of natural gas power generation process |
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| CN109135770A (en) * | 2018-10-30 | 2019-01-04 | 中冶焦耐(大连)工程技术有限公司 | A kind of capacity coke oven single hole carbonization chamber pressure-regulating device and adjusting method |
| CN109135771A (en) * | 2018-10-30 | 2019-01-04 | 中冶焦耐(大连)工程技术有限公司 | A kind of water-sealed valve dish structure single hole carbonization chamber pressure regulating system and method |
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| CN109135770A (en) * | 2018-10-30 | 2019-01-04 | 中冶焦耐(大连)工程技术有限公司 | A kind of capacity coke oven single hole carbonization chamber pressure-regulating device and adjusting method |
| CN109135771A (en) * | 2018-10-30 | 2019-01-04 | 中冶焦耐(大连)工程技术有限公司 | A kind of water-sealed valve dish structure single hole carbonization chamber pressure regulating system and method |
| CN109135770B (en) * | 2018-10-30 | 2024-02-13 | 中冶焦耐(大连)工程技术有限公司 | Pressure adjusting device and method for single-hole carbonization chamber of large coke oven |
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