CN206522158U - The adjustable screw expander of volumetric ratio - Google Patents
The adjustable screw expander of volumetric ratio Download PDFInfo
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- CN206522158U CN206522158U CN201720203829.0U CN201720203829U CN206522158U CN 206522158 U CN206522158 U CN 206522158U CN 201720203829 U CN201720203829 U CN 201720203829U CN 206522158 U CN206522158 U CN 206522158U
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- guiding valve
- air inlet
- screw expander
- volumetric ratio
- rotor
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Abstract
The utility model discloses a kind of adjustable screw expander of volumetric ratio, and the screw expander includes：Body, end body, rotor, guiding valve, body are provided with rotor chamber, piston chamber；The rotor is arranged in rotor chamber, the side of end body, and guiding valve is arranged in piston chamber；The body is provided with air inlet, gas outlet, and guiding valve is set close to air inlet, and the guiding valve is provided with guiding valve governor motion, passes through the air inflow of the position adjustments air inlet of guiding valve governor motion spool control valve；The air inlet, gas outlet are equipped with pressure sensor, pressure sensor connection controller, controller connection oil cylinder.The utility model proposes the adjustable screw expander of volumetric ratio, can according to reclaim the energy actual condition regulating slide valve position, so that the induction port of screw expander is matched with actual demand, avoided expansion or the generation of deficient expansion status, it is ensured that screw expander is more efficient, noise is lower, it is smaller to vibrate.
Description
Technical field
The utility model belongs to screw expander technical field, is related to a kind of screw expander, more particularly to a kind of volume
Than adjustable screw expander.
Background technology
Screw expander is a kind of machinery that mechanical work is externally exported using the gas expansion with certain pressure, main to use
In the recovery of low-grade energy.The external output mechanical work of screw expander can drive electrical power generators, can also directly drive
Dynamic power-equipment.
Existing expander inlet determines that in expanding machine running, its air inlet is fixed according to the operating mode of setting, when
Expander inlet gas operating mode (including pressure and temperature) changes or exit gas operating mode (including pressure and temperature), with original
There are air inlet Vi mismatches, will result in expansion and the generation of deficient expansion status, influence the operational efficiency of expanding machine.Expanding machine
When inlet gas pressure is less than design pressure higher than design pressure or outlet gas pressure, it may occur that owe expansion；Expander inlet
When gas pressure is higher than design pressure less than design pressure or outlet pressure of expansion machine, it may occur that cross and expand.Such as Fig. 2, Fig. 3 institute
Show, hatched area is the negative work done more.
In view of this, nowadays in the urgent need to designing a kind of new screw expander, to overcome existing screw expander to deposit
Drawbacks described above.
Utility model content
Technical problem to be solved in the utility model is：There is provided a kind of volumetric ratio adjustable screw expander, can basis
Reclaim the position of the actual condition regulating slide valve of the energy so that the induction port of screw expander is matched with actual demand, it is to avoid
Cross expansion or the generation of deficient expansion status, it is ensured that screw expander is more efficient, noise is lower, it is smaller to vibrate.
In order to solve the above technical problems, the utility model is adopted the following technical scheme that：
A kind of adjustable screw expander of volumetric ratio, the screw expander includes：Body, end body, rotor, guiding valve, machine
Body is provided with rotor chamber, piston chamber；
The rotor is arranged in rotor chamber, the side of end body, and guiding valve is arranged in piston chamber；The body is provided with air inlet
Mouth, gas outlet, guiding valve are set close to air inlet, pass through the air inflow of slidable adjustment air inlet；
The guiding valve is provided with drive mechanism, resetting-mechanism, and drive mechanism includes oil cylinder, piston, and resetting-mechanism includes resetting
Spring, piston, back-moving spring are respectively arranged at the two ends of guiding valve, and oil cylinder is arranged on the body of end；
The air inlet, gas outlet are equipped with pressure sensor and temperature sensor, pressure sensor, temperature sensor point
Controller, controller connection oil cylinder are not connected.
A kind of adjustable screw expander of volumetric ratio, the screw expander includes：Body, end body, rotor, guiding valve, machine
Body is provided with rotor chamber, piston chamber；
The rotor is arranged in rotor chamber, the side of end body, and guiding valve is arranged in piston chamber；The body is provided with air inlet
Mouth, gas outlet, guiding valve are set close to air inlet, and the guiding valve is provided with guiding valve governor motion, are passed through guiding valve governor motion and are controlled to slide
The air inflow of the position adjustments air inlet of valve；
The air inlet, gas outlet are equipped with pressure sensor, pressure sensor connection controller, controller connection oil
Cylinder.
As a kind of preferred scheme of the present utility model, the guiding valve governor motion includes drive mechanism, resetting-mechanism；Drive
Motivation structure includes oil cylinder, piston, and resetting-mechanism includes back-moving spring, and piston, back-moving spring are respectively arranged at the two ends of guiding valve, oil
Cylinder is arranged on the body of end.
As a kind of preferred scheme of the present utility model, the guiding valve governor motion includes first processor, motor, first
Communication unit, first processor connects motor, the first communication unit respectively；Motor connects guiding valve, Huo Zhezhi by conduction mechanism
Guiding valve is connect in succession.
As a kind of preferred scheme of the present utility model, the guiding valve governor motion connects sensing device, sensing device bag
Second processor, the second communication unit, temperature sensor, pressure sensor are included, second processor connects the second communication list respectively
Member, temperature sensor, pressure sensor.
As a kind of preferred scheme of the present utility model, the air inlet, gas outlet are additionally provided with temperature sensor, and temperature is passed
Sensor connects controller.
The beneficial effects of the utility model are：The utility model proposes the adjustable screw expander of volumetric ratio, can root
According to the position for the actual condition regulating slide valve for reclaiming the energy so that the induction port of screw expander is matched with actual demand, is kept away
Exempted from expansion or the generation of deficient expansion status, it is ensured that screw expander is more efficient, noise is lower, it is smaller to vibrate.
Brief description of the drawings
Fig. 1 is P-V figures ideally (dash area is ideally acting).
P-V schemed (dash area is negative work) when Fig. 2 is expansion.
Fig. 3 schemes (dash area is negative work) to owe P-V during expansion.
Fig. 4 is the structural representation of the adjustable screw expander of the utility model volumetric ratio.
Fig. 5 is another structural representation of the adjustable screw expander of the utility model volumetric ratio.
Embodiment
Describe preferred embodiment of the present utility model in detail below in conjunction with the accompanying drawings.
Embodiment one
Fig. 4, Fig. 5 are referred to, the utility model discloses a kind of adjustable screw expander of volumetric ratio, the screw expansion
Machine includes：Body 1, end body 5, rotor 4, guiding valve 7, body 1 are provided with rotor chamber, piston chamber.The rotor 4 is arranged at rotor chamber
Interior, end body 5 side, guiding valve 7 is arranged in piston chamber.
The body 1 is provided with air inlet 2, gas outlet 3, and guiding valve 7 is set close to air inlet 2, passes through slidable adjustment air inlet 2
Air inflow.
The guiding valve 7 is provided with drive mechanism, resetting-mechanism, and drive mechanism includes oil cylinder 8, piston 9, and resetting-mechanism includes multiple
Position spring 6, piston 9, back-moving spring 6 are respectively arranged at the two ends of guiding valve 7, and oil cylinder 8 is arranged on the body 5 of end.
The air inlet 2, gas outlet 3 are equipped with pressure sensor and temperature sensor, pressure sensor, temperature sensor
Controller, controller connection oil cylinder 8 are connected respectively.
When expander inlet pressure rise or outlet pressure are reduced, pass through charge oil pressure in control cylinder, regulating slide valve edge
Piston chamber is moved right so that expanding machine Vi increases, and expander inlet diminishes, it is to avoid owe the generation of expansion operating mode.
When the reduction of expander inlet pressure or outlet pressure rise, pass through charge oil pressure in control cylinder, regulating slide valve edge
Piston chamber is to left movement so that expanding machine Vi reduces, and expander inlet becomes big, it is to avoid cross the generation for expanding operating mode.
Expanding machine P-V when actual motion uses volume adjustable than guiding valve schemes, and red is run when representing outlet pressure rise
P-V figure, blueness represent outlet pressure reduction when run P-V figure, by the regulation of guiding valve, can make expanding machine be in one
Optimal running status.
Embodiment two
A kind of adjustable screw expander of volumetric ratio, the screw expander includes：Body, end body, rotor, guiding valve, machine
Body is provided with rotor chamber, piston chamber；
The rotor is arranged in rotor chamber, the side of end body, and guiding valve is arranged in piston chamber；The body is provided with air inlet
Mouth, gas outlet, guiding valve are set close to air inlet, and the guiding valve is provided with guiding valve governor motion, are passed through guiding valve governor motion and are controlled to slide
The air inflow of the position adjustments air inlet of valve；
The air inlet, gas outlet are equipped with pressure sensor, pressure sensor connection controller, controller connection oil
Cylinder.
The present embodiment and the difference of embodiment one are, in the present embodiment, and the guiding valve governor motion includes the first processing
Device, motor, the first communication unit, first processor connect motor, the first communication unit respectively；Motor is connected by conduction mechanism
Guiding valve, or it is directly connected to guiding valve.
The guiding valve governor motion connects sensing device, and sensing device includes second processor, the second communication unit, temperature
Sensor, pressure sensor, second processor connect the second communication unit, temperature sensor, pressure sensor respectively.
In summary, the utility model proposes the adjustable screw expander of volumetric ratio, can according to reclaim the energy reality
The position of regulating working conditions guiding valve so that the induction port of screw expander is matched with actual demand, it is to avoid cross and expand or owe expansion
The occurrence of, it is ensured that screw expander is more efficient, noise is lower, it is smaller to vibrate.
Here description and application of the present utility model are illustrative, are not wishing to scope of the present utility model being limited in
State in embodiment.The deformation and change of embodiments disclosed herein are possible, for the ordinary skill people of those this areas
Replacing with equivalent various parts for embodiment is known for member.It should be appreciated by the person skilled in the art that not taking off
In the case of spirit or essential characteristics of the present utility model, the utility model can in other forms, structure, arrangement, ratio,
And realized with other components, material and part., can be to this in the case where not departing from the utility model scope and spirit
In disclosed embodiment carry out other deformations and change.
Claims (6)
1. a kind of adjustable screw expander of volumetric ratio, it is characterised in that the screw expander includes：Body, end body, turn
Son, guiding valve, body are provided with rotor chamber, piston chamber；
The rotor is arranged in rotor chamber, the side of end body, and guiding valve is arranged in piston chamber；The body provided with air inlet,
Gas outlet, guiding valve is set close to air inlet, passes through the air inflow of slidable adjustment air inlet；
The guiding valve is provided with drive mechanism, resetting-mechanism, and drive mechanism includes oil cylinder, piston, and resetting-mechanism includes back-moving spring,
Piston, back-moving spring are respectively arranged at the two ends of guiding valve, and oil cylinder is arranged on the body of end；
The air inlet, gas outlet are equipped with pressure sensor and temperature sensor, and pressure sensor, temperature sensor connect respectively
Connect controller, controller connection oil cylinder.
2. a kind of adjustable screw expander of volumetric ratio, it is characterised in that the screw expander includes：Body, end body, turn
Son, guiding valve, body are provided with rotor chamber, piston chamber；
The rotor is arranged in rotor chamber, the side of end body, and guiding valve is arranged in piston chamber；The body provided with air inlet,
Gas outlet, guiding valve is set close to air inlet, and the guiding valve is provided with guiding valve governor motion, passes through guiding valve governor motion spool control valve
The air inflow of position adjustments air inlet；
The air inlet, gas outlet are equipped with pressure sensor, pressure sensor connection controller, controller connection oil cylinder.
3. the adjustable screw expander of volumetric ratio according to claim 2, it is characterised in that：
The guiding valve governor motion includes drive mechanism, resetting-mechanism；Drive mechanism includes oil cylinder, piston, and resetting-mechanism includes
Back-moving spring, piston, back-moving spring are respectively arranged at the two ends of guiding valve, and oil cylinder is arranged on the body of end.
4. the adjustable screw expander of volumetric ratio according to claim 2, it is characterised in that：
The guiding valve governor motion include first processor, motor, the first communication unit, first processor connect respectively motor,
First communication unit；Motor connects guiding valve by conduction mechanism, or is directly connected to guiding valve.
5. the adjustable screw expander of volumetric ratio according to claim 4, it is characterised in that：
The guiding valve governor motion connects sensing device, and sensing device includes second processor, the second communication unit, TEMP
Device, pressure sensor, second processor connect the second communication unit, temperature sensor, pressure sensor respectively.
6. the adjustable screw expander of volumetric ratio according to claim 2, it is characterised in that：
The air inlet, gas outlet are additionally provided with temperature sensor, temperature sensor connection controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720203829.0U CN206522158U (en) | 2017-03-03 | 2017-03-03 | The adjustable screw expander of volumetric ratio |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720203829.0U CN206522158U (en) | 2017-03-03 | 2017-03-03 | The adjustable screw expander of volumetric ratio |
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| Publication Number | Publication Date |
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| CN206522158U true CN206522158U (en) | 2017-09-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720203829.0U Active CN206522158U (en) | 2017-03-03 | 2017-03-03 | The adjustable screw expander of volumetric ratio |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106801619A (en) * | 2017-03-03 | 2017-06-06 | 上海维尔泰克螺杆机械有限公司 | The adjustable screw expander of volumetric ratio |
-
2017
- 2017-03-03 CN CN201720203829.0U patent/CN206522158U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106801619A (en) * | 2017-03-03 | 2017-06-06 | 上海维尔泰克螺杆机械有限公司 | The adjustable screw expander of volumetric ratio |
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