CN207568669U - Pressure energy reclaimer and pipeline pressure energy recovery system - Google Patents
Pressure energy reclaimer and pipeline pressure energy recovery system Download PDFInfo
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- CN207568669U CN207568669U CN201721694598.4U CN201721694598U CN207568669U CN 207568669 U CN207568669 U CN 207568669U CN 201721694598 U CN201721694598 U CN 201721694598U CN 207568669 U CN207568669 U CN 207568669U
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Abstract
The utility model discloses a kind of pressure energy reclaimer and pipeline pressure energy recovery system, which includes：The main shaft of lengthwise extension；First expansion thermomechanical components；The first expansion thermomechanical components have the first air inlet and the first gas outlet；Second expansion thermomechanical components；The second expansion thermomechanical components have the second air inlet and the second gas outlet；Second air inlet can be connected with first gas outlet；The first expansion thermomechanical components and the second expansion thermomechanical components can drive the main axis；The electrification component being set on the main shaft；Along the axial direction of the main shaft, be equipped between the electrification component and the first expansion thermomechanical components be sheathed on clutch shaft bearing outside the main shaft and, be equipped with the second bearing being sheathed on outside the main shaft between the electrification component and the second expansion thermomechanical components.The pressure energy reclaimer and pipeline pressure energy recovery system can reduce the pressure loss during pipeline pressure can recycle.
Description
Technical field
The utility model is related to pipeline pressure energy recycling field more particularly to a kind of pressure energy reclaimers and pipeline pressure
It can recovery system.
Background technology
In order to improve natural gas line conveying efficiency, the natural gas of national gas distributing system in pipe conveying procedure,
Always maintain higher pressure, pressure generally in 10MPa or so, significantly larger than city dweller user's pressure 0.4MPa, because
Contain huge pressure energy between this high-pressure natural gas conveying route and low pressure natural gas branch line, traditional pressure regulating valve device can not
It realizes energy regenerating, causes a large amount of waste.Pressure energy is converted to electric energy, recycling profit using expanding machine cooperation electricity generation system
Significant economic benefit can be both generated with the partial pressure, noise and equipment during natural gas pressure regulating can also be eliminated
Hidden danger is damaged, is had important practical significance.
Natural gas pipe network pressure energy recycling is that utilize is expanding machine, and the pressure energy in pipeline is converted to mechanical energy and complete
Into the process of decompression.Therefore, expanding machine is the equipment that energy conversion core the most is completed in natural gas pipe network pressure energy recycling, it
Performance directly determine the quality of pressure energy recovery process.Apply in natural gas pipe network pressure energy recovery process at present specially
The expanding machine of profit is mainly star rotary motor, screw expander and turbo-expander.
Wherein, the main feature of star rotary air motor is exactly slow-speed of revolution high torque, usually hundreds of to go to 2000 turns, because
For this star rotary air motor generally using full rolling bearing rotor structure, advantage is need not to lubricate, but general 1 year or more just needs
Wear-out part is replaced.And screw expander is mainly characterized in that screw expander is simple in structure, except bearing, the outer nothing of sealing
Other wear-out parts, screw speed is not high, and unit durability is long, and maintenance cost is low.
Turbine is velocity profile expanding machine, and gas obtains very high flowing velocity by nozzle, and the kinetic energy of air-flow is converted
It is exported for mechanical energy and by main shaft and done work, which is continuously converted to the interior energy of gas the kinetic energy of air-flow, completes drop
Pressure and the process of cooling.Turbo-expander is mainly characterized by rotating speed height, takes up little area, feasibility height, while coordinate pressurized air
Bearing then completely without loss component the features such as, be more preferably scheme.
Wherein, turbo-expander, which is applied, can encounter that pressure drop is high, enthalpy drop is big, flow is big when natural gas pipe network pressure energy recycles
Deng challenge, therefore, as shown in Figure 1, two turbo-expander 101a, 101b series connection of generally use carry out work in practical applications
Make, the pressure drop of single turbine can be reduced in this way, and then reduce the wheel week linear velocity of each turbine, ensure that turbine is operated in safety
Material limits in the range of.But the shortcomings that designing in this way is exactly：Flow is complicated, and system integration degree is relatively low, due to each
Flat expanding machine 101a or 101b is equipped with two groups of hydrostatic gas-lubricated bearings 102a or 102b, therefore existing turbo-expander is when in use
Mating multigroup hydrostatic gas-lubricated bearing 102a, 102b respectively are needed, so as to have lost partial pressure energy.
Utility model content
In view of the deficiencies in the prior art, the purpose of this utility model is to provide a kind of pressure energy reclaimer and pipeline pressure
Energy recovery system, the pressure loss during pipeline pressure can recycle can be reduced.
The technical solution of the utility model is：
A kind of pressure energy reclaimer, including：
The main shaft of lengthwise extension；The main shaft has a first end and a second end；
It is set to the first expansion thermomechanical components of the first end of the main shaft；The first expansion thermomechanical components have the first air inlet
Mouth and the first gas outlet；
It is set to the second expansion thermomechanical components of the second end of the main shaft；The second expansion thermomechanical components have the second air inlet
Mouth and the second gas outlet；Second air inlet can be connected with first gas outlet；The first expansion thermomechanical components and institute
The main axis can be driven by stating the second expansion thermomechanical components；
The electrification component being set on the main shaft；The electrification component can generate electricity in the main axis；Along institute
The axial direction of main shaft is stated, the first axle being sheathed on outside the main shaft is equipped between the electrification component and the first expansion thermomechanical components
Hold and, be equipped between the electrification component and the second expansion thermomechanical components and be sheathed on second bearing outside the main shaft.
Preferably, the first expansion thermomechanical components include the first turbine spiral case, the in the first turbine spiral case
One expansion piece；First expansion piece is located in the first turbine spiral case；Have in the first turbine spiral case and described the
The first jet that one air inlet communicates, the first jet can the first expansion piece gas transmissions；First expansion piece and the main shaft
It is coaxially disposed and is fixedly connected；
The second expansion thermomechanical components include the second turbine spiral case, the second expansion in the second turbine spiral case
Part；Second expansion piece is located in the second turbine spiral case；Have and second air inlet in the second turbine spiral case
The second nozzle that mouth communicates, the second nozzle can the second expansion piece gas transmissions；Second expansion piece is coaxially set with the main shaft
It puts and is fixedly connected.
Preferably, the first turbine spiral case has the first mounting groove；Outside the first end of the main shaft rotatably
It is arranged with first neck sealing element；The first neck sealing element is embedded in first mounting groove；
The second turbine spiral case has the second mounting groove；The is rotatably arranged with outside the second end of the main shaft
Two neck seals；The second neck sealing element is embedded in second mounting groove.
Preferably, the clutch shaft bearing and the second bearing are gas bearing；The spindle jacket is equipped with casing；
The electrification component, clutch shaft bearing, second bearing are coaxially fixed between the casing and the main shaft.
Preferably, the gas bearing be equipped with radially by the bearing through radial passage and in an axial direction will described in
The perforative axial passage of gas bearing；The radial passage is mutually perpendicular to connect with the axial passage；It is set on the casing
There are inlet channel and outlet passageway；The external port of the radial passage mutually passes to input gas with the inlet channel；The diameter
There is the throttle structure that can be throttled to outlet to the inner port of channel；The one end of the axial passage far from electrification component is sealed
It is stifled, it is communicated close to one end of the electrification component with the electrification component；The outlet passageway is passed through the electrification component.
Preferably, the main shaft is equipped with the axial thrust disk limited to the gas bearing；The gas bearing is located at
Between the axial thrust disk and the first expansion thermomechanical components and the axial thrust disk and described second expands thermomechanical components
Between；The air outlet of the axial passage is equipped with can be to axial thrust disk described in the throttle structure and face of outlet throttling.
Preferably, it is arranged with installation baffle ring in the casing；The installation baffle ring is axially located described along the main shaft
Between clutch shaft bearing and the second bearing；The electrification component include fixing sleeve be set on the main shaft on permanent magnet and
The power coil being sheathed in installation baffle ring；Running clearance is equipped between the power coil and the permanent magnet.
A kind of pipeline pressure energy recovery system, including：
Input channel；
Output channel；
As above any pressure energy reclaimer；First air inlet of the pressure energy reclaimer and the input
Pipeline communicates；Second gas outlet of the pressure energy reclaimer is communicated with the output channel；The pressure energy reclaimer
The second air inlet be connected with the first gas outlet；The clutch shaft bearing of the pressure energy reclaimer and second bearing with it is described defeated
Enter pipeline, output channel is connected.
Preferably, it is in series with filter on the input channel；The input channel is in the upstream of first air inlet
Equipped with turbine inlet valve, the input channel is equipped with bearing gas inlet valve in the upstream of the clutch shaft bearing, second bearing；It is described
Turbine outlet valve is in series on output channel.
Preferably, it is in series with First Heat Exchanger between second air inlet and the first gas outlet；On the output channel
The second heat exchanger is in series between second gas outlet and the turbine outlet valve.
Preferably, the input channel is also connected with the output channel by by-pass line；On the by-pass line
It is in series with by-passing valve.
Advantageous effect：
By above description as can be seen that the pressure energy reclaimer expands thermomechanical components, the second expansion thermomechanical components by first
It is designed with electrification component and utilizes same main shaft, enabling realize the turbine power generation unit of the recoverable two-stage structure of pipeline pressure
Integration degree higher, recycled in its entirety flow is simpler, shared spatial area smaller, conducive to installation.
Also, the pressure energy reclaimer of present embodiment is provided with the first expansion thermomechanical components and the second expansion thermomechanical components,
The pressure drop of single turbine (turbine, turbine) can be reduced in this way, and then reduce the wheel week linear velocity of each turbine, ensured saturating
It is flat to be operated in the range of safe material limits, meanwhile, which reduces one group of main shaft, merely with single master
Axis realizes the conversion of pressure energy, consequently reduces the mechanical loss in pressure energy removal process, whole mechanical efficiency can
It is improved.
In addition, the pressure energy reclaimer not only reduces by one group of (a) main shaft, also accordingly reduce an electrification component (hair
Motor), the seal approach taken of a pair of bearings and the corresponding bearing of installation, integral device cost can be substantially reduced.
Further, the degree of integration of the pressure energy reclaimer is higher, so as to can realize at the scene Fast Installation and
Debugging reduces the debugging cost of equipment and maintenance cost and the failure rate for advantageously reducing equipment.
With reference to following explanation and attached drawing, the particular implementation of the utility model is disclosed in detail, specifies this practicality
Novel principle can be in a manner of adopted.It should be understood that the embodiment of the utility model in range not thus by
Limitation.In the range of the spirit and terms of appended claims, the embodiment of the utility model includes many changes, modifications
With it is equivalent.
The feature for describing and/or showing for a kind of embodiment can be in a manner of same or similar one or more
Used in a other embodiment, with the feature in other embodiment it is combined or substitute other embodiment in feature.
It should be emphasized that term "comprises/comprising" refers to the presence of feature, one integral piece, step or component when being used herein, but simultaneously
It is not excluded for the presence or additional of one or more other features, one integral piece, step or component.
Description of the drawings
It in order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those skilled in the art, without having to pay creative labor,
It can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is existing pipeline pressure energy recovery system schematic diagram；
Fig. 2 is the pressure energy reclaimer cross-sectional view of the structure that a kind of embodiment of the utility model provides；
Fig. 3 is the pipeline pressure energy recovery system schematic diagram using Fig. 2.
Specific embodiment
In order to which those skilled in the art is made to more fully understand the technical solution in the utility model, below in conjunction with this reality
With the attached drawing in new embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that
The described embodiments are only a part of the embodiments of the utility model, instead of all the embodiments.Based on the utility model
In embodiment, the every other implementation that those of ordinary skill in the art are obtained under the premise of creative work is not made
Example should all belong to the range of the utility model protection.
It should be noted that when element is referred to as " being set to " another element, it can be directly on another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
For illustrative purposes only, it is unique embodiment to be not offered as " right side " and similar statement.
Unless otherwise defined, all of technologies and scientific terms used here by the article is led with belonging to the technology of the utility model
The normally understood meaning of technical staff in domain is identical.It is only in the term used in the description of the utility model herein
The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term as used herein "and/or" packet
Include the arbitrary and all combination of one or more relevant Listed Items.
As shown in Fig. 2, a kind of pressure energy reclaimer structure sectional view provided for a kind of embodiment of the utility model.
In this embodiment, which can be adapted for recycling the pressure energy recycling in natural gas line conveying, real
The conversion of existing energy.Wherein, which includes：The main shaft 16 of lengthwise extension；The main shaft 16 has first end
And second end；It is set to the first expansion thermomechanical components of the first end of the main shaft 16；The first expansion thermomechanical components have first
5 and first gas outlet 1 of air inlet；The first expansion thermomechanical components can drive the main shaft 16 to rotate；It is set to the main shaft
Second expansion thermomechanical components of 16 second end；The second expansion thermomechanical components have the second air inlet 21 and the second gas outlet 25；
Second air inlet 21 can be connected with first gas outlet 1；The second expansion thermomechanical components and first expanding machine
Component can drive the main shaft 16 to rotate；The electrification component being set on the main shaft 16；The electrification component is in the master
Axis 16 can generate electricity when rotating；Along the axial direction of the main shaft 16, set between the electrification component and the first expansion thermomechanical components
Have the clutch shaft bearing 9 that is sheathed on outside the main shaft 16 and, be equipped between the electrification component and the second expansion thermomechanical components
The second bearing 17 being sheathed on outside the main shaft 16.
When the pressure energy reclaimer is used to recycle natural gas line pressure, which can be connected
Pipeline pressure energy recovery system as shown in Figure 3 is formed in pipeline.When using the pressure energy reclaimer, pipe high-pressure gas
Body enters the first expansion thermomechanical components through the first air inlet 5 and carries out expansion work, and the first expansion thermomechanical components drive main shaft 16 to turn at a high speed
It moves, meanwhile, gas first expands then swollen into second through the second air inlet 21 through the discharge of the first gas outlet 1 after thermomechanical components are depressured
Continue expansion work in swollen thermomechanical components, the second expansion thermomechanical components are further driven to 16 high-speed rotation of main shaft, at the same time, main
Electric energy is converted by electrification component when axis 16 rotates, and then realizes the recycling of pipeline pressure.
By above description as can be seen that the pressure energy reclaimer expands thermomechanical components, the second expansion thermomechanical components by first
It is designed with electrification component and utilizes same main shaft 16, enabling realize the turbine generators of the recoverable two-stage structure of pipeline pressure
Group integration degree higher, recycled in its entirety flow is simpler, shared spatial area smaller, conducive to installation.
Also, the pressure energy reclaimer of present embodiment is provided with the first expansion thermomechanical components and the second expansion thermomechanical components,
The pressure drop of single turbine (turbine, turbine) can be reduced in this way, and then reduce the wheel week linear velocity of each turbine, ensured saturating
It is flat to be operated in the range of safe material limits, meanwhile, which reduces one group of main shaft 16, merely with single
Main shaft 16 realizes the conversion of pressure energy, consequently reduces the mechanical loss in pressure energy removal process, whole mechanical efficiency
It can be improved.
In addition, the pressure energy reclaimer not only reduces by one group of (a) main shaft 16, also accordingly reduce an electrification component
The seal approach that (generator), a pair of bearings and the corresponding bearing of installation are taken, integral device cost can be dropped significantly
It is low.
Further, the degree of integration of the pressure energy reclaimer is higher, so as to can realize at the scene Fast Installation and
Debugging reduces the debugging cost of equipment and maintenance cost and the failure rate for advantageously reducing equipment.
Such as Fig. 2 as can be seen that the pressure energy reclaimer is symmetrical structure, the first expansion thermomechanical components and the second expanding machine
Component is symmetrical, clutch shaft bearing 9 and second bearing 17 are symmetrical, main shaft 16 is symmetrical structure, is so very beneficial for this
The assembling of pressure energy recovering mechanism promotes packaging efficiency.
As shown in Fig. 2, the first expansion thermomechanical components include the first turbine spiral case 4, in the first turbine spiral case 4
The first expansion piece 3；First expansion piece 3 is located in the first turbine spiral case 4；First air inlet 5, the first gas outlet 1
On the first turbine spiral case 4.There is the first spray communicated with first air inlet 5 in the first turbine spiral case 4
Mouth 6, the first jet 6 can 3 gas transmission of the first expansion piece；First expansion piece 3 is coaxially disposed and fixes with the main shaft 16
Connection.Wherein, the first expansion piece 3 does not contact directly with the first turbine spiral case 4.6 the first expansion piece of face 3 of first jet sprays
Gas.The downstream that is axially located first expansion piece 3 of first gas outlet 1 along the main shaft 16.
The second expansion thermomechanical components include the second turbine spiral case 23, second in the second turbine spiral case 23 swollen
Swollen part 22；Second expansion piece 22 is located in the second turbine spiral case 23；Second air inlet 21, the second gas outlet 25 are located at
On the second turbine spiral case 23.There is the second nozzle communicated with second air inlet 21 in the second turbine spiral case 23
20, the second nozzle 20 can 22 gas transmission of the second expansion piece；Second expansion piece 22 is coaxially disposed and consolidates with the main shaft 16
Fixed connection.Wherein, the second expansion piece 22 does not contact directly with the second turbine spiral case 23.20 the second expansion piece of face of second nozzle
22 jets.The downstream that is axially located second expansion piece 22 of second gas outlet 25 along the main shaft 16.
Under high pressure gas expansion acting, the first expansion thermomechanical components and the second expansion thermomechanical components drive main shaft 16 to turn in the same direction
It is dynamic.Expansion work when high pressure passes through the first expansion piece 3 and the second expansion piece 22 pushes the first expansion piece 3 and the second expansion piece 22
Rotation.Wherein, the first expansion piece 3 and the second expansion piece 22 can be expansion impeller (turbine).Specifically, the first expanding machine
Component and the second expansion thermomechanical components are preferably journal axle stream expanding machine structure, certainly, the first expansion thermomechanical components and the second expansion unit
Part may be axis stream expanding machine, runoff expanding machine.
As shown in Fig. 2, the first expansion piece 3 and the second expansion piece 22 are respectively fixed on main shaft by turbine fixing screws 2,24
In 16 first end and second end.Wherein, the locking direction of turbine fixing screws 2,24 and the first expansion piece 3, the second expansion piece
22 rotation direction is identical, can ensure that turbine fixing screws 2,24 will not unclamp in equipment works normally in this way.
The first turbine spiral case 4 has the first mounting groove (not indicating)；Opposite it can turn outside the first end of the main shaft 16
It is arranged with first neck sealing element 7 dynamicly；The first neck sealing element 7 is embedded in first mounting groove；Described second thoroughly
Flat spiral case 23 has the second mounting groove (not indicating)；Second neck is rotatably arranged with outside the second end of the main shaft 16
Sealing element 19；The second neck sealing element 19 is embedded in second mounting groove.
Wherein, the first neck sealing element 7 and second neck sealing element 19 can effectively reduce the first turbine spiral case 4,
Gas in two turbine spiral cases 23 along inside 16 end leakage of main shaft to clutch shaft bearing 9, second bearing 17 or electrification component, so as to
Leakage loss can be reduced.Specifically, first neck sealing element 7 and second neck sealing element 19 fix embedded in the first mounting groove and
In second mounting groove, also, first neck sealing element 7 and second neck sealing element 19 and the end of main shaft 16 are not directly contacted with,
First neck sealing element 7 and second neck sealing element 19 are preferably labyrinth seal structure.
In the present embodiment, clutch shaft bearing 9 and second bearing 17 can support main shaft 16 when main shaft 16 rotates, from
And ensure the rotation of main shaft 16 and the normal conversion of energy.Specifically, it is lubricated for the high pressure gas directly using pipeline
Support, the clutch shaft bearing 9 and the second bearing 17 all can be gas bearing.Wherein, which can be
Hydrostatic gas-lubricated bearing, or hydrodynamic gas-lubricated bearing.Such as using hydrodynamic gas-lubricated bearing, then do not need to supply for bearing.Certainly,
Clutch shaft bearing 9 and second bearing 17 can also use magnetic suspension bearing in other embodiments.
For pressure energy reclaimer, since main shaft 16 is heavier, larger bearing capacity is needed, therefore present embodiment is preferred
Using hydrostatic gas-lubricated bearing 9,17.Using a pair of (pressurized air) axis can be reduced after the pressure energy reclaimer of present embodiment
It holds, the air consumption of hydrostatic gas-lubricated bearing 9,17 when can so reduce very big manufacture cost, and operation can be reduced, improves
Whole efficiency.Meanwhile the pressure energy reclaimer of present embodiment is due to reducing a pair of of hydrostatic gas-lubricated bearing 9,17, also accordingly
Reduce the required half gas flow of gas bearing 9,17, these flows can be used for pressure recovery energy, further carry
The organic efficiency of high pressure energy.
As shown in Fig. 2, in the present embodiment, casing 12 is arranged with outside the main shaft 16；The electrification component, first
Bearing 9, second bearing 17 are coaxially fixed between the casing 12 and the main shaft 16.The casing 12 is for guarantee first
The concentricity of bearing 9, second bearing 17.Wherein, casing 12 is fixed on the first turbine spiral case 4 and of the first expansion thermomechanical components
Between second turbine spiral case 23 of two expansion thermomechanical components.
The gas bearing 9,17, which is equipped with, radially to be run through radial passage (not indicating) by the bearing and in an axial direction will
The gas bearing 9,17 perforative axial passages (not indicating)；The radial passage and the axial passage can be mutually perpendicular to
Connection；The casing 12 is equipped with inlet channel 26 and outlet passageway 10,15；The external port of the radial passage with it is described into
26 phase of gas channel passes to input gas.
The inner port of the radial passage has the throttle structure that can be throttled to outlet；The axial passage is far from generating set
One end of part is blocked, and (in practice, the one end of the axial passage far from electrification component can be equipped with closeouts 8,18 or weldering
Extremely), it is communicated close to one end of the electrification component with the electrification component；The outlet passageway 10,15 and the electrification component
It communicates.In this way, inlet channel 26 of the high pressure gas through casing 12 enters gas bearing 9,17 (clutch shaft bearing 9 and second bearing
17) in radial passage and axial passage, and (throttle structure can be specifically to pass through contracting to the throttle structure through radial passage
The gas outlet that diameter is formed) throttling forms air film so that and main shaft 16 is surrounded by air film, substantially reduces the frictional resistance in rotation process.
Outlet passageway 10,15 of the axial passage of gas bearing 9,17 through electrification component Yu casing 12 in the embodiment
It communicates, so as to which gas can take away electrification component through axial passage outflow and run at high speed after the gas bearing 9,17 ventilation
The waste heat generated in journey ensures the even running of electrification component, reduces rate of breakdown.
Further, the main shaft 16 is equipped with axial thrust disk (not indicating)；The gas bearing 9,17 is located at described
Axial thrust disk and it is described first expansion thermomechanical components between and the axial thrust disk and it is described second expansion thermomechanical components it
Between；The air outlet of the axial passage is equipped with can be to axial thrust disk described in the throttle structure and face of outlet throttling.In this way,
Air outlet of the high pressure gas through axial passage is throttled when flowing out in axial thrust disk (main shaft 16) shape between air outlet
Into air film, it ensure that main shaft 16 will not move axially, and then the normal rotation realized.
Installation baffle ring 11 is arranged in the casing 12；The installation baffle ring 11 is axially located described along the main shaft 16
Between clutch shaft bearing 9 and the second bearing 17.The installation baffle ring 11 is used to control between clutch shaft bearing 9 and second bearing 17
Axial distance.The electrification component include fixing sleeve be set on the main shaft 16 on permanent magnet 14 and be sheathed on installation baffle ring
Power coil 13 in 11, wherein the power coil 13 can be formed for two to three parts, with convenient for assembly；The generating line
Running clearance is equipped between circle 13 and the permanent magnet 14.
Wherein, main shaft 16 is equipped with the undergauge position for accommodating permanent magnet 14, so as to the main shaft 16 after permanent magnet 14 is installed
Outer diameter does not change.Permanent magnet 14 can be toroidal magnet, and be permanently embedded in 16 intermediate position of main shaft (or can direct sintering
On main shaft 16).In this way, the first expansion thermomechanical components, the second expansion thermomechanical components and electrification component share same main shaft 16, work as main shaft
16 are cut the coil 13 of electrification component by permanent magnet 14 when the first expansion thermomechanical components, the second expansion thermomechanical components drive high-speed rotation
It cuts, electric current is generated in coil 13, and absorb the shaft rotation of main shaft 16 simultaneously.
Referring to Fig. 3, the utility model another embodiment also provides a kind of pipeline pressure energy recovery system, the pipeline
Pressure energy recovery system includes：Input channel 27；Output channel 36；As above the pressure energy reclaimer described in any embodiment
100 (can refer to Fig. 2)；First air inlet 5 of the pressure energy reclaimer 100 is communicated with the input channel 27；The pressure
Second gas outlet 25 of power energy reclaimer 100 is communicated with the output channel 36；The second of the pressure energy reclaimer 100
Air inlet 21 is connected with the first gas outlet 1；The clutch shaft bearing 9 and second bearing 17 of the pressure energy reclaimer 100 and institute
State input channel 27, output channel 36 is connected.
For ease of the impurity in removal Incoming gas, filter 28 is in series on the input channel 27.The input pipe
Road 27 is equipped with turbine inlet valve 29 in the upstream of first air inlet 5.By control the turbine inlet valve 29 can realize to
The air inlet control of first air inlet 5.The input channel 27 is equipped with bearing in the upstream of the clutch shaft bearing 9, second bearing 17
Gas inlet valve 30.By controlling the bearing gas inlet valve 30 that can realize to gas bearing 9,17 (clutch shaft bearing 9 and second bearing
17) gas transmission control.Turbine outlet valve 35 is in series on the output channel 36.It can be realized by opening turbine outlet valve 35
The air inlet gas transmission of entire pressure energy reclaimer 100, main shaft 16 (rotor) start high-speed rotation, complete the recycling of pressure energy.
In view of gas expansion heat release, it is unsatisfactory for for the gas temperature into downstream is prevented to be unlikely to too low using will
It asks, First Heat Exchanger 34 is in series between 21 and first gas outlet 1 of the second air inlet；Described on the output channel 36
The second heat exchanger 31 is in series between second gas outlet 25 and the turbine outlet valve 35.Wherein, First Heat Exchanger 34 and second
Heat exchanger 31 can be by external heating by the gas lift (recovery temperature) after expansion.34 and second heat exchanger of First Heat Exchanger
31 heat sources connected can be neighbouring low-grade heat source (chemical industry waste heat, waste heat) or neighbouring cold user (freezer,
Ice making etc.).
Certainly, 34 and second heat exchanger 31 of First Heat Exchanger can also use air temperature type heat exchanger or directly use pressure
Electricity caused by the electrification component of energy reclaimer 100 is electrically connected a heat pump cycle, such as by pressure energy reclaimer 100
This completes the heating temperature raising of delivery temperature.
As shown in Figure 3, it is contemplated that the gas flow constant after the expansion output of pressure energy reclaimer 100, is full
Sufficient downstream user is for the demand (for example downstream user is different in the demand of different time) of gas discharge, the input pipe
Road 27 is also connected with the output channel 36 by by-pass line 32；By-passing valve 33 is in series on the by-pass line 32.It is logical
The gas discharge of supply downstream user can be adjusted by crossing the by-passing valve 33, so meet need of the downstream user to gas discharge
It asks.
Input channel 27, output channel 36 are connected high pressure by the pipeline pressure energy recovery system in present embodiment respectively
After pipeline, low pressure line, by-passing valve 33 can be opened first, it is ensured that disclosure satisfy that downstream is used after being opened using only by-passing valve 33
Then demand of the family to gas discharge slowly opens bearing gas inlet valve 30, until the pressure at expulsion of bearing gas import reaches
Design value, at this time main shaft 16 float under the action of hydrostatic gas-lubricated bearing 9,17 (clutch shaft bearing 9 and second bearing 17), carry out
The preparation of flat expanding machine work opens turbine outlet valve 35, and slowly opens turbine inlet valve 29 later, and high pressure gas enters the
One expansion thermomechanical components and the second expansion thermomechanical components carry out expansion work, drive 16 high speed rotation of main shaft, and shaft work is passed through power generation
Component is converted into electric energy.After opening turbine inlet valve 29, can side be adjusted according to the flow of input channel or output channel in due course
The aperture of port valve 33, to ensure that total flow can meet the needs of downstream user.
At work, gas enters pipe to the pipeline pressure energy recovery system from air inlet of the pressure duct through input channel 27
Road pressure energy recovery system, high pressure gas first pass around filter 28, remove the impurity in Incoming gas.Then high pressure gas point
Three strands (three branches) respectively enter turbine inlet valve 29, bearing gas inlet valve 30, by-passing valve 33.Wherein, through by-passing valve 33
Exhaust outlet through output channel 36 after high pressure gas enters low pressure line.Gas through bearing gas inlet valve 30, subsequently enters
The pressurized air shafting that clutch shaft bearing 9, second bearing 17 and main shaft 16 are formed, by main shaft 16 together with the first swollen of 16 both sides of main shaft
Swollen thermomechanical components and the second expansion thermomechanical components float together, enter low pressure line through outlet passageway 26, output channel after decompression.Through saturating
The high pressure gas of flat inlet valve 29 is expanded by first enters 34 rewarming of First Heat Exchanger after thermomechanical components expansion decompression cools down, then into
Enter the second expansion thermomechanical components and carry out decompression cooling again, later into the second heat exchanger 31, then through turbine outlet valve 35, efferent duct
The exhaust outlet in road 36 enters low pressure line.
Herein cited any digital value all include between lower limiting value to upper limit value with the lower value of an incremented and
The all values of upper value, there are the intervals of at least two units between any lower value and any much higher value.For example, such as
Fruit elaborates that the quantity of component or the value of process variable (such as temperature, pressure, time etc.) are from 1 to 90, preferably from 20
To 80, more preferably from 30 to 70, then purpose is arrived in order to illustrate also clearly listing such as 15 to 85,22 in the specification
68th, 43 to 51,30 to 32 is equivalent.For being less than 1 value, it is 0.0001,0.001,0.01,0.1 suitably to think a unit.
These are only intended to the example clearly expressed, it is believed that the numerical value enumerated between minimum and peak is possible to
Combination is all expressly set forth in the specification in a similar manner.
Unless otherwise indicated, all ranges all include all numbers between endpoint and endpoint.It is used together with range
" about " or " approximation " be suitable for two endpoints of the range.Thus, " about 20 to 30 " are intended to covering " about 20 to about
30 ", including at least the endpoint indicated.
All articles and reference disclosed, including patent application and publication, for various purposes by quoting knot
Together in this.Identified element, ingredient, component or step and reality should be included by describing the term " substantially by ... form " of combination
Other elements, ingredient, component or the step of the basic novel feature of the combination are not influenced in matter.Using term "comprising" or
" comprising " describes the combination of element here, ingredient, component or step it is also contemplated that substantially by these elements, ingredient, component
Or the embodiment that step is formed.Here by using term " can with ", it is intended to it is described any to illustrate that " can with " includes
Attribute is all optional.
Multiple element, ingredient, component or step can be provided by single integrated component, ingredient, component or step.Optionally
Ground, single integrated component, ingredient, component or step can be divided into multiple element, ingredient, component or the step of separation.It is used for
The open "a" or "an" for describing element, ingredient, component or step is not said to exclude other elements, ingredient, component
Or step.
It should be understood that above description is to illustrate rather than to be limited.By reading above-mentioned retouch
It states, many embodiments and many applications except the example provided all will be aobvious and easy for a person skilled in the art
See.Therefore, the range of this introduction should not be determined with reference to foregoing description, but should with reference to appended claims and this
The four corner of equivalent that a little claims are possessed determines.For comprehensive purpose, all articles and with reference to including special
The disclosure of profit application and bulletin is all by reference to being incorporated herein.Theme disclosed herein is omitted in preceding claims
Any aspect is not intended to abandon the body matter, also should not be considered as inventor the theme is not thought of as it is disclosed
A part for utility model theme.
Claims (10)
1. a kind of pressure energy reclaimer, which is characterized in that including：
The main shaft of lengthwise extension；The main shaft has a first end and a second end；
It is set to the first expansion thermomechanical components of the first end of the main shaft；It is described first expansion thermomechanical components have the first air inlet,
With the first gas outlet；
It is set to the second expansion thermomechanical components of the second end of the main shaft；It is described second expansion thermomechanical components have the second air inlet,
With the second gas outlet；Second air inlet can be connected with first gas outlet；The first expansion thermomechanical components and described
Second expansion thermomechanical components can drive the main axis；
The electrification component being set on the main shaft；The electrification component can generate electricity in the main axis；Along the master
The axial direction of axis is equipped with the clutch shaft bearing being sheathed on outside the main shaft between the electrification component and the first expansion thermomechanical components,
And it is equipped with the second bearing being sheathed on outside the main shaft between the electrification component and the second expansion thermomechanical components.
2. pressure energy reclaimer as described in claim 1, it is characterised in that：The first expansion thermomechanical components include first thoroughly
Flat spiral case, the first expansion piece in the first turbine spiral case；First expansion piece is located at the first turbine spiral case
It is interior；There is the first jet communicated with first air inlet, the first jet energy first is swollen in the first turbine spiral case
Swollen part gas transmission；First expansion piece is coaxially disposed and is fixedly connected with the main shaft；
The second expansion thermomechanical components include the second turbine spiral case, the second expansion piece in the second turbine spiral case；Institute
The second expansion piece is stated to be located in the second turbine spiral case；Have in the second turbine spiral case and communicated with second air inlet
Second nozzle, the second nozzle can the second expansion piece gas transmission；Second expansion piece is coaxially disposed and consolidates with the main shaft
Fixed connection.
3. pressure energy reclaimer as claimed in claim 2, it is characterised in that：The first turbine spiral case has the first installation
Slot；First neck sealing element is rotatably arranged with outside the first end of the main shaft；The first neck sealing element insertion
In first mounting groove；
The second turbine spiral case has the second mounting groove；The second neck is rotatably arranged with outside the second end of the main shaft
Portion's sealing element；The second neck sealing element is embedded in second mounting groove.
4. pressure energy reclaimer as described in any one of claims 1-3, it is characterised in that：The clutch shaft bearing and described second
Bearing is gas bearing；The spindle jacket is equipped with casing；The electrification component, clutch shaft bearing, second bearing are coaxially solid
Due between the casing and the main shaft.
5. pressure energy reclaimer as claimed in claim 4, it is characterised in that：The gas bearing is equipped with radially by described in
Bearing is through radial passage and in an axial direction by the perforative axial passage of the gas bearing；The radial passage and the axis
It is mutually perpendicular to connect to channel；The casing is equipped with inlet channel and outlet passageway；The external port of the radial passage with
The inlet channel mutually passes to input gas；The inner port of the radial passage has the throttle structure that can be throttled to outlet；Institute
It states the one end of axial passage far from electrification component to be blocked, be communicated close to one end of the electrification component with the electrification component；
The outlet passageway is passed through the electrification component.
6. pressure energy reclaimer as claimed in claim 5, it is characterised in that：The main shaft is equipped with to the gas bearing
The axial thrust disk of limiting；The gas bearing be located at the axial thrust disk and it is described first expansion thermomechanical components between and
Between the axial thrust disk and the second expansion thermomechanical components；The air outlet of the axial passage is equipped with and can throttle to outlet
Throttle structure and face described in axial thrust disk.
7. pressure energy reclaimer as claimed in claim 6, it is characterised in that：Installation baffle ring is arranged in the casing；
The installation baffle ring is axially located along the main shaft between the clutch shaft bearing and the second bearing；The electrification component includes
The permanent magnet that fixing sleeve is set on the main shaft and the power coil being sheathed in installation baffle ring；The power coil and institute
It states and running clearance is equipped between permanent magnet.
8. a kind of pipeline pressure energy recovery system, which is characterized in that including：
Input channel；
Output channel；
Pressure energy reclaimer as described in claim 1-7 is any；First air inlet of the pressure energy reclaimer and institute
Input channel is stated to communicate；Second gas outlet of the pressure energy reclaimer is communicated with the output channel；The pressure energy is returned
Second air inlet of receiving unit is connected with the first gas outlet；The clutch shaft bearing and second bearing of the pressure energy reclaimer with
The input channel, output channel are connected.
9. pipeline pressure energy recovery system as claimed in claim 8, it is characterised in that：Filtering is in series on the input channel
Device；The input channel is equipped with turbine inlet valve in the upstream of first air inlet, and the input channel is in the first axle
It holds, the upstream of second bearing is equipped with bearing gas inlet valve；Turbine outlet valve is in series on the output channel.
10. pipeline pressure energy recovery system as claimed in claim 9, it is characterised in that：Second air inlet goes out with first
First Heat Exchanger is in series between gas port；It is gone here and there between second gas outlet and the turbine outlet valve on the output channel
It is associated with the second heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721694598.4U CN207568669U (en) | 2017-12-07 | 2017-12-07 | Pressure energy reclaimer and pipeline pressure energy recovery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721694598.4U CN207568669U (en) | 2017-12-07 | 2017-12-07 | Pressure energy reclaimer and pipeline pressure energy recovery system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207568669U true CN207568669U (en) | 2018-07-03 |
Family
ID=62687238
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721694598.4U Active CN207568669U (en) | 2017-12-07 | 2017-12-07 | Pressure energy reclaimer and pipeline pressure energy recovery system |
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| Country | Link |
|---|---|
| CN (1) | CN207568669U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107882604A (en) * | 2017-12-07 | 2018-04-06 | 刘强 | Pressure energy reclaimer and pipeline pressure energy recovery system |
| CN110344891A (en) * | 2019-07-18 | 2019-10-18 | 北京动力机械研究所 | A kind of long-life closed cycle turbine electricity generation system rotor structure and technique |
-
2017
- 2017-12-07 CN CN201721694598.4U patent/CN207568669U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107882604A (en) * | 2017-12-07 | 2018-04-06 | 刘强 | Pressure energy reclaimer and pipeline pressure energy recovery system |
| CN110344891A (en) * | 2019-07-18 | 2019-10-18 | 北京动力机械研究所 | A kind of long-life closed cycle turbine electricity generation system rotor structure and technique |
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Effective date of registration: 20210508 Address after: 100083 No. a-1109-028, 10th floor, building 1, 18 Zhongguancun East Road, Haidian District, Beijing Patentee after: Beijing Dazhen Technology Co.,Ltd. Address before: 100101 102, building 7, Anhuili District 1, Asian Games Village, Chaoyang District, Beijing Patentee before: Liu Qiang |