CN206973938U - Industrial superhigh temperature source pump - Google Patents
Industrial superhigh temperature source pump Download PDFInfo
- Publication number
- CN206973938U CN206973938U CN201720823883.5U CN201720823883U CN206973938U CN 206973938 U CN206973938 U CN 206973938U CN 201720823883 U CN201720823883 U CN 201720823883U CN 206973938 U CN206973938 U CN 206973938U
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- oil
- source pump
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Abstract
The utility model discloses a kind of industrial superhigh temperature source pump, the main refrigerant circuit loop of source pump is mainly connected and formed by compressor, condenser, synergistic device, main throttling arrangement, evaporator；The main refrigerant outlet of synergistic device is also associated with motor cooling circuit, oily cooling circuit and refrigerant synergy loop, cooler and injector are mainly provided with motor cooling circuit, oil eliminator, oil circulating pump, oil cooler, device for drying and filtering are mainly provided with oily cooling circuit.Industrial superhigh temperature source pump of the present utility model, compressor electric motor good cooling results, service life length；Lubricating oil oil temperature supplying is low, avoids pyrolytic；Main refrigerant degree of supercooling is increased, compressor exhaust temperature is reduced while increasing heating capacity.Industrial superhigh temperature source pump of the present utility model, heating leaving water temperature is high, source pump stable and reliable operation.
Description
Technical field
Thermal Power Engineering technical field of heat pumps is the utility model is related to, specifically, is related to a kind of industrial superhigh temperature heat pump machine
Group.
Background technology
In the heating link that industrial processes require heat quality relatively low (being less than 150 DEG C) in itself, such as oil
Refinery process, metallurgical production process, production of construction materials process, food processing process, chemical process etc., on the one hand, traditional
Heat-supplying mode heat supply in a manner of combustion of fossil fuels, even direct electro heating, causes huge available energy dissipation to dissipate.The opposing party
Face, in all types of industries production process, the substantial amounts of residual heat resources of association, temperature is more more than 50 DEG C, if these low grade heat energies are not
It can be utilized effectively, not only result in substantial amounts of energy resources and waste, arrange the thermal pollution that can be also caused to environment to environment.For
The residual heat resources in industrial processes are fully recycled, heat pump assembly has been widely used in industrial processes.
At present, the heating leaving water temperature of common heat pump assembly is more below 80 DEG C, for requiring that heating leaving water temperature is higher,
Such as more than 100 DEG C of situation, heat pump assembly mainly face that compressor exhaust temperature is high, lubricating oil high-temp decomposes, compression is electromechanical
The problems such as machine cooling difference, cause source pump reliable and stable can not run.
The content of the invention
In view of this, technical problem to be solved in the utility model is：There is provided a kind of cooling effect of motor good industry
Superhigh temperature source pump, it is ensured that source pump stable and reliable operation.
In order to solve the above technical problems, the technical solution of the utility model is：Industrial superhigh temperature source pump includes compression
Machine, condenser, synergistic device, main throttling arrangement, evaporator；
The compressor, the condenser, the synergistic device, the main throttling arrangement, the evaporator are connected to be formed
Main refrigerant circuit loop；In the main refrigerant circuit loop, the main system of the liquid outlet of the condenser and the synergistic device
Cryogen import is connected, and the main refrigerant outlet of the synergistic device is connected with the main throttling arrangement；
The source pump is provided with motor cooling circuit, and cooling is provided with the motor cooling circuit
Device, the main refrigerant outlet of the synergistic device are connected with the import of the cooler, the outlet of the cooler and the pressure
The motor casing inlet of contracting machine is connected.
It is that the multinomial of industrial superhigh temperature source pump of the present utility model is further improved below：
Wherein, be additionally provided with injector in the motor cooling circuit, the injector by injection medium entrance
It is connected with the motor casing outlet of the compressor, the injection source import of the injector is connected with the exhaust outlet of the compressor
Connect, the outlet of the injector is connected with the import of the evaporator.
Wherein, the motor casing outlet includes liquid outlet and gas outlet；The injector has been arranged in parallel two, wherein one
The individual injector is connected by injection medium entrance with the liquid outlet of the motor casing, and another injector is drawn
The gas outlet that medium entrance is penetrated with the motor casing is connected.
Wherein, be provided with oil eliminator in the main refrigerant circuit loop, the air inlet of the oil eliminator with it is described
The exhaust outlet of compressor is connected, and the gas outlet of the oil eliminator is connected with the air inlet of the condenser；
The source pump is provided with oily cooling circuit, and oil cooler is provided with the oily cooling circuit,
The main refrigerant outlet of the synergistic device is connected with the inlet of the oil cooler, the gas outlet of the oil cooler and institute
The air entry for stating compressor is connected；The oil inlet of the oil cooler is connected with the oil-out of the oil eliminator, described
The oil-out of oil cooler is connected with the oil inlet of the compressor.
Wherein, oil is provided with the oil circuit that the oil inlet of the oil cooler is connected with the oil-out of the oil eliminator
Circulating pump.
Wherein, drying is provided with the oil circuit that the oil-out of the oil cooler is connected with the oil inlet of the compressor
Filter, the device for drying and filtering are parallel with oily differential pressure switch.
Wherein, the oil circuit between the device for drying and filtering and the compressor is parallel with two, wherein an oil circuit and institute
The main oil inlet for stating compressor is connected, and another oil circuit is connected with the screw rod jet of the compressor.
Wherein, the main refrigerant outlet of the synergistic device is connected with the secondary refrigerant inlet of the synergistic device, the increasing
The secondary refrigerant outlet of effect device is connected with being pressed into mouth in the compressor, forms refrigerant synergy loop.
Wherein, the main throttling arrangement is primary throttle valve group, and it is in parallel that the primary throttle valve group includes two or more
Combination valve cell, each combination valve cell includes the magnetic valve and choke valve of series connection.
Wherein, the condenser includes reboiler.
After employing above-mentioned technical proposal, the beneficial effects of the utility model are as follows：
(1) because source pump is provided with motor cooling circuit, cooler is provided with motor cooling circuit,
Refrigerant further cools through subcooler after supercooling, is injected directly into by the motor casing inlet of compressor in motor casing, to pressure
The cooling of contracting machine motor coil make use of the phase-change heat-exchange of refrigerant, the coefficient of heat transfer using the vapor cooling system of direct hydrojet
High, good cooling results, solve the problems, such as that traditional air-breathing type of cooling coefficient of heat transfer is low, cooling effect is poor；Because motor is cold
But be provided with injector in circulation loop, by the ejector action of injector, make the pressure in motor casing drop to evaporating pressure with
Under, the refrigerant in motor casing has relatively low evaporating temperature, so that more refrigerant phase transformation evaporations, ensure that motor lines
The cooling effect of circle, compressor electric motor service life is extended, ensure that the reliable and stable operation of unit.
(2) because source pump is provided with oily cooling circuit, oil cooler is provided with oily cooling circuit, is made
Cryogen absorbs the heat of lubricating oil when passing through oil cooler, reduce the temperature of oil, ensure that relatively low oil temperature supplying, avoids oily height
Temperature has reclaimed the thermal loss of oil cooling while decomposition, add the heating capacity and efficiency of unit, improves the reliability of unit.
(3) because source pump is provided with refrigerant synergy loop, synergistic device therein, main refrigerant is not only increased
Degree of supercooling, the temperature into motor casing inner refrigerant is reduced, while reclaimed the partial heat, improve unit efficiency；Will
Refrigerant medium pressure gas, which is sent into compressor, is pressed into mouth, and compressor air-discharging temperature is reduced while increasing capacity and heating capacity
Degree, avoid lubricating oil high-temp decomposition.
(4) because the reboiler of the Fractionator Bottom of oil refining directly as condenser, can directly heat the original of fractionation
Feed liquid body, the circulating consumption of the water of centre is eliminated, secondary heat exchange is avoided, increases heat transfer temperature difference, improve unit efficiency.
In summary, industrial superhigh temperature source pump of the present utility model, by setting motor cooling circuit, solve
The problem of cooling effect of motor difference；By setting oily cooling circuit, oil temperature supplying is reduced, avoids lubricating oil high-temp
Decompose；By setting refrigerant synergy loop, main refrigerant degree of supercooling is increased, is reduced into motor casing inner refrigerant temperature
Degree, while the partial heat has been reclaimed, compressor exhaust temperature is reduced while increasing heating capacity, avoids lubricating oil height
Temperature is decomposed.Industrial superhigh temperature source pump of the present utility model, compressor electric motor service life length, source pump is stable can
Lean on, heating leaving water temperature is high, up to 130-170 DEG C.
Brief description of the drawings
Fig. 1 is the industrial superhigh temperature source pump schematic diagram of the utility model embodiment；
In figure：1st, compressor；2nd, oil eliminator；3rd, condenser；4-1, device for drying and filtering；4-2, device for drying and filtering；5th, increase
Imitate device；6th, main throttling arrangement；7th, evaporator；8th, cooler；9-1, choke valve；9-2, choke valve；9-3, choke valve；10-1, draw
Emitter；10-2, injector；11st, oil cooler；12nd, oily differential pressure switch；13-1, magnetic valve；13-2, magnetic valve；13-3, electromagnetism
Valve；13-4, magnetic valve；13-5, magnetic valve；13-6, magnetic valve；13-7, magnetic valve；14-1, stop valve；14-2, stop valve；
14-3, stop valve；14-4, stop valve；14-5, stop valve；14-6, stop valve；14-7, stop valve；14-8, stop valve；14-9、
Stop valve；14-10, stop valve；15th, oil circulating pump.
The flow direction of fluid is represented in figure shown in arrow.
Embodiment
Specific embodiment of the present utility model is described further non-limiting below in conjunction with the accompanying drawings.
, it is necessary to which explanation, term " being connected " should do the understanding of broad sense in description of the present utility model, can be by
It is directly connected to, can also be indirectly connected with by intermediary, for one of ordinary skill in the art between connection member
Speech, the implication of this term can be understood as the case may be.
As shown in figure 1, industrial superhigh temperature source pump of the present utility model, mainly includes：Compressor 1, oil eliminator 2,
Condenser 3, device for drying and filtering, synergistic device 5, main throttling arrangement 6, evaporator 7, cooler 8, injector, oil cooler 11, oil follow
The parts such as ring pump 15, some magnetic valves and stop valve.
Wherein, the exhaust outlet of compressor 1 is connected by stop valve 14-4 with the air inlet of oil eliminator 2, oil eliminator 2
Gas outlet be connected with the air inlet of condenser 3, the liquid outlet of condenser 3 passes through stop valve 14-7 and device for drying and filtering successively
4-1 is connected with the main refrigerant import of synergistic device 5, and the main refrigerant outlet of synergistic device 5 is divided into four tunnels, is main refrigerant respectively
Circulation loop, motor cooling circuit, oily cooling circuit and refrigerant synergy loop.
The first via is main refrigerant circulation loop, is connected by main throttling arrangement 6 with the inlet of evaporator 7, evaporation
The gas outlet of device 7 is connected by stop valve 14-1 with the air entry of compressor 1, forms main refrigerant circuit loop.Main refrigeration
In agent circulation loop, preferably thermal source of the residual heat resources of association as evaporator 7, condenser 3 connect in all types of industries production process
Connect high-temperature water Demand-side.
Second tunnel is motor cooling circuit, and the main refrigerant outlet of synergistic device 5 passes through stop valve 14-8 and cooler 8
Import be connected, the outlet of cooler 8 is successively by the motor casing inlet of magnetic valve 13-1, choke valve 9-1 and compressor 1
It is connected；The motor casing outlet of compressor 1 includes liquid outlet and gas outlet, and injector has been arranged in parallel two, i.e. injector 10-
1 and injector 10-2, wherein, injector 10-1's is connected by injection medium entrance with the liquid outlet of motor casing, injector 10-
1 injection source import is connected by magnetic valve 13-6, stop valve 14-5 with the exhaust outlet of compressor 1, injector 10-2 quilt
Injection medium entrance is connected with the gas outlet of motor casing, and injector 10-2 injection source import passes through magnetic valve 13-5, cut-off
Valve 14-5 is connected with the exhaust outlet of compressor 1, injector 10-1, the injector 10-2 import phase exported all with evaporator 7
Connection；Motor cooling circuit formed above.Wherein, cooler 8 can be water-cooling pattern or air cooling mode, with
Ensure the cooling effect in water shortage or anhydrous occasion.
Unit actual motion shows that the heating water outlet scope of condenser 3 is up to 130-170 DEG C.Two injectors therein
It can respectively control, when heating lower temperature of the water outlet in the range of water outlet, only can be connected with the liquid outlet of motor casing
Injector 10-1 operations, the cooling required of motor coil can be met；When higher temperature of the heating water outlet in the range of water outlet
When, the magnetic valve 13-5 before the injector 10-2 being connected with the gas outlet of motor casing is opened, increase outlet all the way, two injections
Device is run simultaneously, is lowered pressure in motor casing, is ensured the reliable and stable operation of the cooling effect and motor of motor coil.
3rd tunnel is oily cooling circuit, and stop valve 14-6, magnetic valve 13- are passed through in the main refrigerant outlet of synergistic device 5
4th, choke valve 9-2 is connected with the inlet of oil cooler 11, and the gas outlet of oil cooler 11 is connected with the air entry of compressor 1
Connect；The oil inlet of oil cooler 11 is connected by oil circulating pump 15, stop valve 14-9 with the oil-out of oil eliminator 2, oil cooling
But the oil-out of device 11 is divided into two-way after device for drying and filtering 4-2, wherein all the way successively by magnetic valve 13-2, stop valve
14-2 is connected (main oil inlet is mainly used in bearing lubrication) with the main oil inlet of compressor 1, and another way passes through magnetic valve successively
13-3, stop valve 14-3 are connected with the screw rod jet of compressor 1 and (are used to lubricate screw rod), form oily cooling circuit.
Lubricating oil viscosity is big under low temperature condition during unit starting, oil circulating pump 15 is provided with oily cooling circuit, oil follows
Ring pump 15 can ensure the stability of unit starting；Device for drying and filtering 4-2 is provided with oily differential pressure switch 12, when device for drying and filtering 4-2 is blocked up
It can be alarmed after plug and do stoppage protection, avoid the damage of the compressor caused by being remained in operation in the case of oil starvation of compressor 1.
4th tunnel is refrigerant synergy loop, and the main refrigerant of synergistic device 5 is exported successively through magnetic valve 13-7, choke valve 9-
3 are connected with the secondary refrigerant inlet of synergistic device 5, and the secondary refrigerant outlet of synergistic device 5 is through stop valve 14-10 and compressor 1
In be pressed into mouth and be connected, form refrigerant synergy loop.
Synergistic device 5 therein, the degree of supercooling of main refrigerant is not only increased, reduce the temperature into motor casing inner refrigerant
Degree, realizes the cooling to motor coil, while has reclaimed the partial heat, improves unit efficiency；Synergistic device 5 is by low temperature
Refrigerant medium pressure gas is sent into compressor 1 through being pressed into mouth in compressor, and compression is reduced while increasing capacity and heating capacity
The delivery temperature of machine 1, avoid lubricating oil high-temp decomposition.
As shown in figure 1, wherein, main throttling arrangement 6 preferably uses primary throttle valve group, primary throttle valve group includes two or two
The combination valve cell of more parallel, each valve cell that combines include the magnetic valve and choke valve of series connection, and wherein choke valve is manual
Regulating valve.In a specific embodiment, primary throttle valve group employs three combination valve cells in parallel, three throttle valve openings
It is respectively set to 2/3,1/6,1/9, magnetic valve is turned off during shutdown, opens the electromagnetism of corresponding 2/3 degree adjustment valve after start first
Valve, the open and close of other magnetic valves are then controlled according to suction superheat, ensure the reliable and stable operation of unit.Certainly,
Combination valve cell is not limited to three, and its quantity can need to have increased and decreased according to unit.The electronics of pre-programmed can also be used
Choke valve is as main throttling arrangement.
Wherein, the reboiler of the Fractionator Bottom of oil refining industry can be direct by reboiler directly as condenser 3
The raw material liq of fractionation is heated, the circulating consumption of the water of centre is eliminated, avoids secondary heat exchange, increase heat transfer temperature difference, carry
High unit efficiency.
Citing described above for the preferred embodiment of the utility model, wherein the part do not addressed in detail is all this area
The common knowledge of technical staff, the scope of protection of the utility model are defined by the content of claim, any new based on this practicality
The technical inspiration of type and the equivalent transformation that carries out are in the scope of protection of the utility model.
Claims (10)
1. industrial superhigh temperature source pump, it is characterised in that the source pump includes：Compressor, condenser, synergistic device, master
Throttling arrangement, evaporator；
The compressor, the condenser, the synergistic device, the main throttling arrangement, the evaporator are connected to form main system
Refrigerant cycle loop；In the main refrigerant circuit loop, the main refrigerant of the liquid outlet of the condenser and the synergistic device
Import is connected, and the main refrigerant outlet of the synergistic device is connected with the main throttling arrangement；
The source pump is provided with motor cooling circuit, is provided with cooler in the motor cooling circuit, institute
The main refrigerant outlet for stating synergistic device is connected with the import of the cooler, outlet and the compressor of the cooler
Motor casing inlet is connected.
2. industrial superhigh temperature source pump as claimed in claim 1, it is characterised in that in the motor cooling circuit also
Injector is provided with, being connected by injection medium entrance with the motor casing outlet of the compressor for the injector is described to draw
The injection source import of emitter is connected with the exhaust outlet of the compressor, the outlet and the import of the evaporator of the injector
It is connected.
3. industrial superhigh temperature source pump as claimed in claim 2, it is characterised in that the motor casing outlet includes liquid outlet
And gas outlet；The injector has been arranged in parallel two, one of them injector by injection medium entrance and the electricity
The liquid outlet of casing is connected, and another injector is connected by injection medium entrance with the gas outlet of the motor casing
Connect.
4. industrial superhigh temperature source pump as claimed in claim 1, it is characterised in that set in the main refrigerant circuit loop
Oil eliminator is equipped with, the air inlet of the oil eliminator is connected with the exhaust outlet of the compressor, and the oil eliminator goes out
Gas port is connected with the air inlet of the condenser；
The source pump is provided with oily cooling circuit, and oil cooler is provided with the oily cooling circuit, described
The main refrigerant outlet of synergistic device is connected with the inlet of the oil cooler, the gas outlet of the oil cooler and the pressure
The air entry of contracting machine is connected；The oil inlet of the oil cooler is connected with the oil-out of the oil eliminator, the oil cooling
But the oil-out of device is connected with the oil inlet of the compressor.
5. industrial superhigh temperature source pump as claimed in claim 4, it is characterised in that the oil inlet of the oil cooler and institute
State in the oil circuit that the oil-out of oil eliminator is connected and be provided with oil circulating pump.
6. industrial superhigh temperature source pump as claimed in claim 4, it is characterised in that the oil-out of the oil cooler and institute
State in the oil circuit that the oil inlet of compressor is connected and be provided with device for drying and filtering, the device for drying and filtering is parallel with oily differential pressure and opened
Close.
7. industrial superhigh temperature source pump as claimed in claim 6, it is characterised in that the device for drying and filtering and the compression
Oil circuit between machine is parallel with two, wherein an oil circuit is connected with the main oil inlet of the compressor, another oil circuit with
The screw rod jet of the compressor is connected.
8. the industrial superhigh temperature source pump as described in any one of claim 1 to 7, it is characterised in that the master of the synergistic device
Refrigerant outlet is connected with the secondary refrigerant inlet of the synergistic device, secondary refrigerant outlet and the compression of the synergistic device
Mouth is pressed into machine to be connected, and forms refrigerant synergy loop.
9. industrial superhigh temperature source pump as claimed in claim 1, it is characterised in that the main throttling arrangement is primary throttle valve
Group, the primary throttle valve group include two or more combination valve cells in parallel, and each combination valve cell includes string
The magnetic valve and choke valve of connection.
10. industrial superhigh temperature source pump as claimed in claim 1, it is characterised in that the condenser includes reboiler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720823883.5U CN206973938U (en) | 2017-07-08 | 2017-07-08 | Industrial superhigh temperature source pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720823883.5U CN206973938U (en) | 2017-07-08 | 2017-07-08 | Industrial superhigh temperature source pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206973938U true CN206973938U (en) | 2018-02-06 |
Family
ID=61401660
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720823883.5U Withdrawn - After Issue CN206973938U (en) | 2017-07-08 | 2017-07-08 | Industrial superhigh temperature source pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206973938U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107246749A (en) * | 2017-07-08 | 2017-10-13 | 山东宏力热泵能源股份有限公司 | Industrial superhigh temperature source pump |
-
2017
- 2017-07-08 CN CN201720823883.5U patent/CN206973938U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107246749A (en) * | 2017-07-08 | 2017-10-13 | 山东宏力热泵能源股份有限公司 | Industrial superhigh temperature source pump |
| CN107246749B (en) * | 2017-07-08 | 2023-06-30 | 山东宏力热泵能源股份有限公司 | Industrial ultra-temperature heat pump unit |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180206 Effective date of abandoning: 20230630 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20180206 Effective date of abandoning: 20230630 |