CN208138847U - The external fuel tank of radial inflow low-temperature cogeneration unit - Google Patents
The external fuel tank of radial inflow low-temperature cogeneration unit Download PDFInfo
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- CN208138847U CN208138847U CN201820600392.9U CN201820600392U CN208138847U CN 208138847 U CN208138847 U CN 208138847U CN 201820600392 U CN201820600392 U CN 201820600392U CN 208138847 U CN208138847 U CN 208138847U
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Abstract
The utility model provides a kind of external fuel tank of radial inflow low-temperature cogeneration unit, it is installed on the outside of expansion power generator, including tank body of oil tank, tank body of oil tank installs the components such as liquid-sighting glass mouth, oil heater mouth, inlet port, unit oil return opening, pipeline oil return opening, sewage draining exit and balance pipe.Advantage is：(1) unit lubricating and cooling system is improved, is operated convenient for being adjusted to unit.(2) expansion power generator technique opening can be reduced, enhance sealing performance.(3) pipeline arrangement convenience can be made, it is compact-sized, it is conducive to later period maintenance and rectifies and improves.(4) it realizes and the lubricating oil lodged in pipeline is recycled.(5) due to using external fuel tank, the bigger external fuel tank of volume can be used, guarantee that enough lubricating oil exchanges heat with unit bearing, meet unit operation demand steady in a long-term.(6) external fuel tank pre-reservation pressure sensor port, temperature sensor mouth and spare mouth, expand the functionality of fuel tank, flexible and convenient to use.
Description
Technical field
The utility model belongs to low-temperature electricity-generating technical field, and in particular to a kind of radial inflow low-temperature cogeneration unit is external
Fuel tank.
Background technique
As rapid economic development and environment are worsening, social sustainable development is to clean energy resource using increasingly
It is more.The industrial waste heat resource in China is abundant, and low-temperature cogeneration unit can be discharged this part in industrial processes
Waste heat be used, low grade heat energy is converted to high-grade electric energy, becomes the hot spot of low-grade energy research on utilization.
In middle heat energy utilization field, ORC (organic Rankine cycle) low-temperature cogeneration unit is by simple structure, reliable
Performance and it is easy to maintain the features such as, be able to fast development in recent years.ORC (organic Rankine cycle) low-temperature cogeneration unit mainly by
Evaporator, preheater, working medium pump, condenser and expansion power generator composition, expansion power generator are driven in the gaseous working medium of high temperature and pressure
It is converted the kinetic energy into electrical energy under dynamic, is one of important component of unit.Since motor bearings is under the state of running at high speed always,
Therefore, how on bearing carry out effective lubrication be influence unit can even running one of factor.
Present market mainstream radial inflow ORC (organic Rankine cycle) low-temperature cogeneration unit uses built-in oil-tank, and fuel tank is placed in
It inside expansion power generator, is pressed and delivered at motor bearings through oil pump, flows back to fuel tank under gravity.However, being limited to
The volume of expansion power generator size, built-in oil-tank is smaller, and after unit long-play, lubricating oil temperature is increased, and changes with bearing
Thermal effect is undesirable.Lesser lubricating oil storage is more demanding to the oil return of expansion power generation unit, and the slight blocking of process will
Lubricant effect is caused to decline, bearing damage risk is larger.In addition, existing built-in oil-tank has a single function, only play to motor bearings
The effect of lubrication.
Utility model content
In view of the defects existing in the prior art, the utility model provides a kind of external oil of radial inflow low-temperature cogeneration unit
Case can effectively solve the above problems.
The technical solution adopted in the utility model is as follows：
The utility model provides a kind of external fuel tank of radial inflow low-temperature cogeneration unit, the radial inflow low temperature exhaust heat hair
The external fuel tank of motor group is installed on the outside of expansion power generator, and the external fuel tank of radial inflow low-temperature cogeneration unit includes oil
Box body (17), the tank body of oil tank (17) install several liquid-sighting glass mouths arranged from top to bottom；The tank body of oil tank (17)
Lower part be arranged oil heater mouth (5), pass through the oil heater mouth (5) install oil heater；The tank body of oil tank (17)
Lower part be arranged inlet port (13), the inlet port (13) by oil pump be connected to expansion power generator into lubricate hydraulic fluid port；The oil
Unit oil return opening (6) are arranged in the top of box body (17), and the row of the unit oil return opening (6) and expansion power generator lubricates hydraulic fluid port and connects
It is logical, lubrication oil circulation circuit is consequently formed；Pipeline oil return opening (7) are arranged in the top of the tank body of oil tank (17), and the pipeline returns
Hydraulic fluid port (7) is connected to the pipeline road of expansion power generator；Sewage draining exit (9) are arranged in the bottom of the tank body of oil tank (17)；The oil
Box body (17) is connected by least one balance pipe with the unit pipeline of expansion power generator.
Preferably, the setting quantity of the liquid-sighting glass mouth is 4, respectively the 1st liquid-sighting glass mouth (1), the 2nd liquid-sighting glass mouth
(2), the 3rd liquid-sighting glass mouth (3) and the 4th liquid-sighting glass mouth (4)；It is the 1st liquid-sighting glass mouth (1), the 2nd liquid-sighting glass mouth (2), described
3rd liquid-sighting glass mouth (3) and the 4th liquid-sighting glass mouth (4) are located in same vertical line.
Preferably, the setting quantity of the balance pipe is 2, respectively the 1st balance pipe (8) and the 2nd balance pipe (14).
Preferably, top setting bypass oil return opening (10) of the tank body of oil tank (17)；
In the oil pump to the expansion power generator into installing bypass line on the oil feed line between lubrication hydraulic fluid port, institute
State bypass line installation fuel delivery control valve；The oil return opening of the bypass line is connect with the bypass oil return opening (10).
Preferably, lower part setting pressure sensor mouth (12) of the tank body of oil tank (17) and temperature sensor mouth (16)；
The pressure sensor mouth (12) is for installing pressure sensor；The temperature sensor mouth (16) is for installing temperature sensing
Device.
Preferably, tank body of oil tank (17) setting technique mouth (11) and spare mouth (15).
The external fuel tank of radial inflow low-temperature cogeneration unit provided by the utility model has the following advantages that：
(1) unit lubricating and cooling system is improved, is operated convenient for being adjusted to unit.
(2) expansion power generator technique opening can be reduced, enhance sealing performance.
(3) pipeline arrangement convenience can be made, it is compact-sized, it is conducive to later period maintenance and rectifies and improves.
(4) it realizes and the lubricating oil lodged in pipeline is recycled.
(5) the bigger external fuel tank of volume can be used, guarantee that enough lubricating oil exchanges heat with unit bearing, meet machine
The long-term stable operation demand of group.
Detailed description of the invention
Fig. 1 is the main view of the external fuel tank of radial inflow low-temperature cogeneration unit provided by the utility model；
Fig. 2 is the side view of the external fuel tank of radial inflow low-temperature cogeneration unit provided by the utility model；
Fig. 3 is the top view of the external fuel tank of radial inflow low-temperature cogeneration unit provided by the utility model；
Wherein：1-the 1 liquid-sighting glass mouth, the 2-the 2 liquid-sighting glass mouth, the 3-the 3 liquid-sighting glass mouth, the 4-the 4 liquid-sighting glass mouth, 5-
Oil heater mouth, 6-unit oil return openings, 7-pipeline oil return openings, the 8-the 1 balance pipe, 9-sewage draining exits, 10-bypass oil return openings,
11-technique mouths, 12-pressure sensor mouths, 13-inlet ports, the 14-the 2 balance pipe, 15-spare mouths, 16-temperature sensing
Device mouth；17-tank body of oil tank.
Specific embodiment
The technical issues of in order to keep the utility model solved, technical solution and beneficial effect are more clearly understood, below
In conjunction with accompanying drawings and embodiments, the present invention will be further described in detail.It should be appreciated that specific implementation described herein
Example only to explain the utility model, is not used to limit the utility model.
The utility model provides a kind of external fuel tank of radial inflow low-temperature cogeneration unit, external fuel tank be particularly suitable for
Core type Organic Rankine Cycle generating set, with reference to Fig. 1-Fig. 3, the external fuel tank of radial inflow low-temperature cogeneration unit is installed on expansion
The outside of generator, under advantage platform：(1) due to using external fuel tank, the bigger external fuel tank of volume can be used, guarantee
Enough lubricating oil exchanges heat with unit bearing, meets unit operation demand steady in a long-term.It (2) is recycling unit running process
It is middle by working medium dragged lubricant, it is enough in view of the volume of external fuel tank, therefore, pipeline oil return opening is opened up on fuel tank, by machine
The lubricating oil accumulated in pipeline in group operational process imports fuel tank.(3) fuel tank is external, arranges convenient for pipeline, compact-sized, just
It rectifies and improves and repairs in the later period.(4) except by fuel tank independently of expansion power generator, reduce the technique opening of expansion power generator, enhancing
The leakproofness of expansion power generator improves operational efficiency.(5) external fuel tank pre-reservation pressure sensor port, temperature sensor mouth and
Spare mouth expands the functionality of fuel tank, flexible and convenient to use.
The specific structure of the external fuel tank of radial inflow low-temperature cogeneration unit is：
(1) the external fuel tank of radial inflow low-temperature cogeneration unit includes tank body of oil tank 17, and tank body of oil tank 17 installs several
The liquid-sighting glass mouth arranged from top to bottom；In the accompanying drawings, the setting quantity of liquid-sighting glass mouth is 4, respectively the 1st liquid-sighting glass mouth 1, the
2 liquid-sighting glass mouths 2, the 3rd liquid-sighting glass mouth 3 and the 4th liquid-sighting glass mouth 4；1st liquid-sighting glass mouth 1, the 2nd liquid-sighting glass mouth 2, the 3rd liquid-sighting glass mouth 3
It is located in same vertical line with the 4th liquid-sighting glass mouth 4.
By fuel tank liquid-sighting glass mouth, can be convenient for operating with liquid level condition in clear view to fuel tank.
(2) oil heater mouth 5 is arranged in the lower part of tank body of oil tank 17；
Oil heater is installed by oil heater mouth 5, guarantees that lubricating oil is in preference temperature in fuel tank, prevents because of temperature too
It is low and the bad phenomenon of lubricant effect occur.
(3) tank body of oil tank 17 lower part be arranged inlet port 13, inlet port 13 by oil pump be connected to expansion power generator into
Lubricate hydraulic fluid port；Unit oil return opening 6, row's lubrication hydraulic fluid port of unit oil return opening 6 and expansion power generator is arranged in the top of tank body of oil tank 17
Connection, is consequently formed lubrication oil circulation circuit；
Oil pump by inlet port by external fuel tank lubricating oil introduce pump in, then be conveyed to motor bearings be lubricated it is cold
But.After lubricating oil is lubricated cooling to motor bearings, fuel tank is flowed back to by unit oil return opening again.
(4) pipeline oil return opening 7, the pipeline road of pipeline oil return opening 7 and expansion power generator is arranged in the top of tank body of oil tank 17
Connection；
It is enough in view of the volume of external fuel tank to recycle by working medium dragged lubricant in unit running process, therefore,
Pipeline oil return opening is opened up on fuel tank, and the lubricating oil accumulated in pipeline in unit running process is imported into fuel tank.
(5) sewage draining exit 9 is arranged in the bottom of tank body of oil tank 17, and sewage draining exit is used to arrange impurity in external fuel tank when unit maintenance
It is empty.
(6) tank body of oil tank 17 is connected by least one balance pipe with the unit pipeline of expansion power generator.In the accompanying drawings, it puts down
The setting quantity of weighing apparatus pipe is 2, respectively the 1st balance pipe 8 and the 2nd balance pipe 14.
Fuel tank is connected by balance pipe with unit pipeline, it is ensured that external tank pressure is equal with unit pressure.
(7) the top setting bypass oil return opening 10 of tank body of oil tank 17；Oil pump to expansion power generator into lubrication hydraulic fluid port it
Between oil feed line on bypass line is installed, bypass line installs fuel delivery control valve；The oil return opening and bypass of bypass line
Oil return opening 10 connects.
For oil pump feed to expansion power generator, the valve opening by adjusting bypass line carries out the adjusting of fuel delivery, bypass
Oil return enters fuel tank by bypassing oil return opening.
(8) the lower part setting pressure sensor mouth 12 and temperature sensor mouth 16 of tank body of oil tank 17；Pressure sensor mouth 12
For installing pressure sensor；Temperature sensor mouth 16 is used for mounting temperature sensor.
By mounting temperature sensor and pressure sensor, facilitates the oily the temperature inside the box of detection and pressure, realize in fuel tank
The real time monitoring of state.
(9) technique mouth 11 and spare mouth 15 is arranged in tank body of oil tank 17.
There are spare mouths for fuel tank, and for later period rectification maintenance, there are spaces.
The external fuel tank of radial inflow low-temperature cogeneration unit provided by the utility model passes through in actual use
The cooperation of temperature sensor and oil heater, it is ensured that lubricating oil is in set temperature in fuel tank, prevents from going out because temperature is too low
The existing bad phenomenon of lubricant effect.The specific implementation of this kind of function can be：The output end and operation amplifier of temperature sensor
The input terminal of device connects；The output end of operational amplifier and the 1st input terminal of comparator connect；2nd input terminal of comparator with
Pedestal generator connection；The output end of comparator is connect by relay with oil heater.Its working principle is that：Temperature passes
Sensor output is signally attached to operational amplifier, and operational amplifier is voltage detecting grade, for by the output of temperature sensor
Voltage is compared with the reference voltage that comparator is preset.If the output voltage of temperature sensor is lower than reference voltage, then comparator
Output get higher, and then control the actuating of relay, finally by relay control oil heater heating.
The external fuel tank of radial inflow low-temperature cogeneration unit provided by the utility model has the following advantages that：
(1) unit lubricating and cooling system is improved, is operated convenient for being adjusted to unit.
(2) expansion power generator technique opening can be reduced, enhance sealing performance.
(3) pipeline arrangement convenience can be made, it is compact-sized, it is conducive to later period maintenance and rectifies and improves.
(4) it realizes and the lubricating oil lodged in pipeline is recycled.
(5) the bigger external fuel tank of volume can be used, guarantee that enough lubricating oil exchanges heat with unit bearing, meet machine
The long-term stable operation demand of group.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these improve and
Retouching should also regard the protection scope of the utility model.
Claims (6)
1. a kind of external fuel tank of radial inflow low-temperature cogeneration unit, which is characterized in that the radial inflow low-temperature cogeneration machine
The external fuel tank of group is installed on the outside of expansion power generator, and the external fuel tank of radial inflow low-temperature cogeneration unit includes fuel tank case
Body (17), the tank body of oil tank (17) install several liquid-sighting glass mouths arranged from top to bottom；Under the tank body of oil tank (17)
Oil heater mouth (5) are arranged in portion, install oil heater by the oil heater mouth (5)；The lower part of the tank body of oil tank (17)
Be arranged inlet port (13), the inlet port (13) by oil pump be connected to expansion power generator into lubricate hydraulic fluid port；The fuel tank case
Unit oil return opening (6) are arranged in the top of body (17), and the unit oil return opening (6) lubricates hydraulic fluid port with the row of expansion power generator and is connected to,
Lubrication oil circulation circuit is consequently formed；Pipeline oil return opening (7) are arranged in the top of the tank body of oil tank (17), the pipeline oil return opening
(7) it is connected to the pipeline road of expansion power generator；Sewage draining exit (9) are arranged in the bottom of the tank body of oil tank (17)；The fuel tank case
Body (17) is connected by least one balance pipe with the unit pipeline of expansion power generator.
2. the external fuel tank of radial inflow low-temperature cogeneration unit according to claim 1, which is characterized in that the liquid-sighting glass
The setting quantity of mouth is 4, respectively the 1st liquid-sighting glass mouth (1), the 2nd liquid-sighting glass mouth (2), the 3rd liquid-sighting glass mouth (3) and the 4th view liquid
Jing Kou (4)；The 1st liquid-sighting glass mouth (1), the 2nd liquid-sighting glass mouth (2), the 3rd liquid-sighting glass mouth (3) and the 4th view liquid
Jing Kou (4) is located in same vertical line.
3. the external fuel tank of radial inflow low-temperature cogeneration unit according to claim 1, which is characterized in that the balance pipe
Setting quantity be 2, respectively the 1st balance pipe (8) and the 2nd balance pipe (14).
4. the external fuel tank of radial inflow low-temperature cogeneration unit according to claim 1, which is characterized in that the fuel tank case
Top setting bypass oil return opening (10) of body (17)；
In the oil pump to the expansion power generator into installing bypass line, the side on the oil feed line between lubrication hydraulic fluid port
Siphunculus road is installed by fuel delivery control valve；The oil return opening of the bypass line is connect with the bypass oil return opening (10).
5. the external fuel tank of radial inflow low-temperature cogeneration unit according to claim 1, which is characterized in that the fuel tank case
Lower part setting pressure sensor mouth (12) of body (17) and temperature sensor mouth (16)；The pressure sensor mouth (12) is for pacifying
Fill pressure sensor；The temperature sensor mouth (16) is used for mounting temperature sensor.
6. the external fuel tank of radial inflow low-temperature cogeneration unit according to claim 1, which is characterized in that the fuel tank case
Technique mouth (11) and spare mouth (15) is arranged in body (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820600392.9U CN208138847U (en) | 2018-04-25 | 2018-04-25 | The external fuel tank of radial inflow low-temperature cogeneration unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820600392.9U CN208138847U (en) | 2018-04-25 | 2018-04-25 | The external fuel tank of radial inflow low-temperature cogeneration unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208138847U true CN208138847U (en) | 2018-11-23 |
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ID=64310158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820600392.9U Active CN208138847U (en) | 2018-04-25 | 2018-04-25 | The external fuel tank of radial inflow low-temperature cogeneration unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208138847U (en) |
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2018
- 2018-04-25 CN CN201820600392.9U patent/CN208138847U/en active Active
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