CN204805180U - Steam -jet ejector heat pump with adjustable - Google Patents
Steam -jet ejector heat pump with adjustable Download PDFInfo
- Publication number
- CN204805180U CN204805180U CN201520032042.3U CN201520032042U CN204805180U CN 204805180 U CN204805180 U CN 204805180U CN 201520032042 U CN201520032042 U CN 201520032042U CN 204805180 U CN204805180 U CN 204805180U
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- steam
- heat pump
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- bar
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/52—Heat recovery pumps, i.e. heat pump based systems or units able to transfer the thermal energy from one area of the premises or part of the facilities to a different one, improving the overall efficiency
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- Jet Pumps And Other Pumps (AREA)
Abstract
The utility model relates to a steam -jet ejector heat pump with adjustable drives stem inhalation room, steam controlling diaphragm head, valve straight -bar, nozzle, low pressure steam room, diffusion pipeline, pressure sensor and AD converter by the high pressure and forms. Steam controlling diaphragm head is installed in high pressure drive stem inhalation room upper end, and the valve straight -bar is connected with steam controlling diaphragm head, and is coaxial with the nozzle, pressure sensor installs on a steam pipe way, and the pressure variation signal that records passes through the AD converter and transmits for steam controlling diaphragm head, drives valve straight -bar along axial displacement, adjusts effective circulation cross -section of nozzle, reaches stable mixed steam pressure. This steam -jet ejector heat pump with adjustable can obtain pressure stability's heat pump export steam, and the adjusting function is good, and the operation is stable, simple structure, but industry operations such as liquefaction, superheated steam humidification are sprayed in heat pump evaporation, high temperature condensate recovery steam, heat pump drying, heat pump rectification, starch to the wide application.
Description
Technical field
The utility model relates to a kind of adjustable steam jet heat pump, and particularly a kind of automatic control drives steam nozzle to export the steam jet heat pump of effective actual internal area, belongs to technical field of heat pumps.
Background technique
Steam jet heat pump is a kind of device low pressure steam being boosted by high pressure steam, mainly utilizes high pressure steam jet to cause the exchange heat of low pressure steam and high pressure steam, thus reaches the object of low pressure steam boosting reuse.Its function also comprises the boosting recycling of low pressure steam, flash-off steam and equipment steam discharge.At present, the steam jet heat pump applied in domestic production, mixed vapour pressure for heat pump outlet has particular demands, when high pressure steam, low pressure steam or outlet back pressure have fluctuation time, the vapor pressure of heat pump outlet just cannot reach requirement, need the steam jet heat pump of the jet exit nozzle designing different-diameter, meet the vapor pressure requirement of heat pump outlet, so just cause having to due to the change of operating mode use heat pump that is new, special parameter, thus bringing use inconvenience, performance-adjustable is poor.Chinese patent ZL201020015596.X provides a kind of steam jet heat pump, without automatic controller, drives steam (vapor) outlet sectional area to fix, poor for applicability; Patent ZL99255011.4 is used for vapour-liquid mixing, is only the structural type devising steam and liquid mixing chamber, complex structure, without automatically controlling; It is opening type that patent ZL201120016636.7 changes feeding valve cored structure, and aisle spare is fixed, complex structure, also cannot realize the automatic adjustment of spraying cross section; Although Chinese patent ZL201220266028.6 achieves the automatic control of heat pump, but pressure transducer is arranged on air inlet pipeline by it, cannot guarantee the stable of heat pump outlet pressure, separately its low-pressure admission pipeline adopts two sections of straight pipe right angles to connect, and causes low pressure admission flow losses to increase.Therefore, developing high performance can automatically control drives steam nozzle to export effective actual internal area and then realize the stable steam jet heat pump of outlet pressure and seem particularly important.
The utility model is exactly the deficiency that will overcome existing steam jet heat pump, provides a kind of adjustable steam jet heat pump.This adjustable steam jet heat pump can either the fluctuation of self adaption high pressure steam, low pressure steam and heat pump outlet back pressure, and guarantee that heat pump outlet mixed vapour pressure meets working condition requirement, adjusting function is good, stable operation, and structure is simple, easily manufactured.
Model utility content
The technical problems to be solved in the utility model is: provide a kind of novel steam jet heat pump, this heat pump passes through automatic controller, automatic change high drive steam nozzle exports effective actual internal area, thus change high drive vapor flow speed, and then change mass ratio of induced-to-inducing air, the high and low pressure steam under different working condition can be utilized, also can the pressure surge of self adaption heat pump outlet back pressure, thus increase work efficiency, reduce costs.
In order to solve the problem, the utility model is realized by following technology,
A kind of adjustable steam jet heat pump, comprises high drive steam suction chamber, automatic steam control film head, valve straight-bar, nozzle, low pressure steam chest, diffusion pipeline, pressure transducer and A/D converter.High drive steam suction chamber is welded by cylindrical pipe; Automatic steam control film head is arranged on and drives steam suction chamber housing upper end, is connected by flange seal with driving steam suction chamber housing; Valve straight-bar is connected with automatic steam control film head, and coaxial with the nozzle being positioned at high drive steam suction chamber; Nozzle is communicated with high drive steam suction chamber; Low pressure steam chest is made up of bend pipe, and the high vacuum formed by high drive steam flow at high speed sucks low pressure steam; Diffusion pipeline is made up of a cylindrical section and two sections of cone cylinders, extends, become mixed vapour outlet along vapor flow direction; Pressure transducer is arranged on the outlet port of diffusion pipeline, measures the change of diffusion pipe outlet mixed vapour pressure; The pressure signal recorded by pressure transducer, electrical signal is converted to by A/D converter, pass to automatic steam control film head, moved vertically by controlling diaphragm headband movable valve straight-bar, effective actual internal area of jet expansion is regulated by the conical head on valve straight-bar, thus control the throughput of high drive steam, reach stable mixed vapour pressure.
Valve straight-bar is positioned at high drive steam suction chamber, and coaxial with nozzle, and its head is the real head of taper, and tapering angle is 1 ° ~ 89 °.
Valve straight-bar, by axial displacement, expands or reduces the spacing between described nozzle, thus controls the effective actual internal area driving steam nozzle outlet, and then regulates high drive vapor flow speed, changes mass ratio of induced-to-inducing air.
Nozzle is connected to form by tapered conical pipe and flaring conical pipe, and tapered conical pipe progressively reduces vertically, and its cone angle is 1 ° ~ 89 °, and flaring conical pipe progressively expands vertically, and its cone angle is 1 ° ~ 89 °.
High drive steam suction chamber housing is cylindrical tube, is provided with suction port near steam control valve end side.
Have employed technique scheme, the beneficial effects of the utility model are:
Mixed vapour is flowed out by heat pump, the pressure change of pressure transducer induction mixed vapour, A/D converter converts pressure signal to electrical signal, pass to automatic steam control film head, automatic steam control film head changes according to the pressure of mixed vapour, drives moving axially of control valve straight-bar, by moving axially of valve straight-bar, change the annular space size between valve straight-bar and jet expansion, thus change effective actual internal area of nozzle and the jet velocity of high pressure steam, and then change mass ratio of induced-to-inducing air.The change of mass ratio of induced-to-inducing air, makes the proportions of ingredients of high drive steam and low pressure steam change, thus the satisfactory mixed vapour of output.
Therefore, the utility model, compared with existing jet heat pump, has outstanding advantage and is: (1) can either the fluctuation of self adaption high pressure steam, low pressure steam and heat pump outlet back pressure, thus improves working efficiency, reduces running cost; (2) guarantee that heat pump outlet mixed vapour pressure meets working condition requirement; (3) good, the stable operation of adjusting function, structure is simple, easily manufactured.
A kind of adjustable steam jet heat pump that the utility model provides, structurally achieve adjustable, operationally achieve automatic control, for practical application provides great convenience, the industrial operations such as thermo-compression evaporation, high-temperature condensation water recovered steam, heat pump drying, heat pump distillation, starch steam ejection liquefaction, superheated vapor humidification can be widely used in.
Accompanying drawing explanation
Accompanying drawing is structural representation of the present utility model.
In accompanying drawing: 1. high drive steam suction chamber; 2. automatic steam control film head; 3. valve straight-bar; 4. nozzle; 5. low pressure steam chest; 6. diffusion pipeline; 7. pressure transducer; 8.A/D transducer.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described further.As shown in Figure 1, high drive steam suction chamber 1 upper end flange is tightly connected automatic steam control film head 2, on the right side of high drive steam suction chamber 1, have high pressure steam import, communicated by pipeline and high pressure steam system, high drive steam is entered by high pressure steam pipeline and drives steam suction chamber 1.Automatic steam control film head 2 connects valve straight-bar 3, and valve straight-bar 3 gos deep into high drive steam suction chamber 1, and the conical head of valve straight-bar 3 close to nozzle 4, and is positioned on same axis with nozzle 4.Low pressure steam chest 5 is made up of bend pipe, and the high vacuum formed by high drive steam flow at high speed sucks low pressure steam.Low pressure steam chest 5 and diffusion pipeline 6 are tightly connected, form mixed vapour passage, at diffusion pipeline exit, pressure transducer 7 is installed, in order to measure the pressure surge change of diffusion pipe outlet mixed vapour, the signal of this pressure change utilizes leading conductive to A/D converter, after signal conversion, pass to automatic steam control film head 2.Automatic steam control film head 2 changes according to the pressure of diffusion pipe outlet mixed vapour, carry out the axial displacement of control valve straight-bar 3, by the axial displacement of valve straight-bar 3, change the axial distance of valve straight-bar 3 and conical nozzle 4, annular space size between adjustment valve straight-bar 3 and nozzle 4 export, thus change effective cross-sectional flow area of nozzle and the flowing velocity of high pressure steam, and then change mass ratio of induced-to-inducing air.The change of mass ratio of induced-to-inducing air, makes the proportions of ingredients of high pressure steam and low pressure steam change, thus output meets the mixed vapour pressure of production requirement.The utility model is a kind of adjustable steam jet heat pump, adjusting function is good, strong adaptability, the pressure regulation spectrum of high drive steam, between ± 30% ~ ± 70%, can realize stable operation under the condition of diffusion pipe outlet mixed vapour pressure change in elevation fluctuation.
Last it is noted that above embodiment only in order to illustrate the utility model and and technological scheme described by unrestricted the utility model; Therefore, although this specification has been described in detail the utility model with reference to the above embodiments, those of ordinary skill in the art should be appreciated that and still can modify to the utility model or equivalent replacement; And all do not depart from technological scheme and the improvement thereof of spirit and scope of the present utility model, it all should be encompassed in the middle of right of the present utility model.
Claims (5)
1. an adjustable steam jet heat pump, it is characterized in that: comprise high drive steam suction chamber, automatic steam control film head, valve straight-bar, nozzle, low pressure steam chest, diffusion pipeline, pressure transducer and A/D converter, described high drive steam suction chamber is welded by cylindrical pipe, described automatic steam control film head is arranged on high drive steam suction chamber housing upper end, be connected by flange seal with high drive steam suction chamber housing, described valve straight-bar is connected with automatic steam control film head, and it is coaxial with nozzle, described nozzle is communicated with driving steam suction chamber, described low pressure steam chest is made up of bend pipe, the high vacuum formed by high drive steam flow at high speed sucks low pressure steam, mix with the low pressure steam entered, described diffusion pipeline is made up of a cylindrical section and two sections of cone cylinders, extend along vapor flow direction, become mixed vapour outlet, described pressure transducer is arranged on diffusion pipeline exit, in order to measure the pressure change of diffusion pipe outlet mixed vapour, the pressure signal recorded by pressure transducer, electrical signal is converted to by described A/D converter, pass to automatic steam control film head, moved vertically by controlling diaphragm headband movable valve straight-bar, effective actual internal area of jet expansion is regulated by the conical head on valve straight-bar, thus control the throughput of high drive steam, reach stable mixed vapour pressure.
2. a kind of adjustable steam jet heat pump as claimed in claim 1, is characterized in that: described valve straight-bar is positioned at described driving steam suction chamber, and coaxial with described nozzle, and its head is the real head of taper, and tapering angle is 1 ° ~ 89 °.
3. a kind of adjustable steam jet heat pump as claimed in claim 1, it is characterized in that: described valve straight-bar is by axial displacement, expand or reduce the spacing between described nozzle, thus controlling the effective actual internal area driving steam nozzle outlet.
4. a kind of adjustable steam jet heat pump as claimed in claim 1, it is characterized in that: described nozzle is connected to form by tapered conical pipe and flaring conical pipe, tapered conical pipe progressively reduces vertically, its cone angle is 1 ° ~ 89 °, flaring conical pipe progressively expands vertically, and its cone angle is 1 ° ~ 89 °.
5. a kind of adjustable steam jet heat pump as claimed in claim 1, is characterized in that: described high drive steam suction chamber housing is cylindrical tube, is provided with suction port near steam control valve end side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520032042.3U CN204805180U (en) | 2015-01-16 | 2015-01-16 | Steam -jet ejector heat pump with adjustable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520032042.3U CN204805180U (en) | 2015-01-16 | 2015-01-16 | Steam -jet ejector heat pump with adjustable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204805180U true CN204805180U (en) | 2015-11-25 |
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ID=54590014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520032042.3U Expired - Fee Related CN204805180U (en) | 2015-01-16 | 2015-01-16 | Steam -jet ejector heat pump with adjustable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204805180U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105485905A (en) * | 2015-12-04 | 2016-04-13 | 浙江工业大学 | Gas water heater for low temperature based on ejection heat pump |
| CN106121751A (en) * | 2016-08-04 | 2016-11-16 | 联合瑞升（北京）科技有限公司 | A kind of hot press heating energy-saving system |
| CN110657600A (en) * | 2019-10-14 | 2020-01-07 | 唐晓林 | Constant temperature and humidity air conditioning unit |
| CN110657599A (en) * | 2019-10-14 | 2020-01-07 | 唐晓林 | Multi-split air conditioning system |
-
2015
- 2015-01-16 CN CN201520032042.3U patent/CN204805180U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105485905A (en) * | 2015-12-04 | 2016-04-13 | 浙江工业大学 | Gas water heater for low temperature based on ejection heat pump |
| CN105485905B (en) * | 2015-12-04 | 2018-03-16 | 浙江工业大学 | The gas heater based on jet heat pump for low temperature |
| CN106121751A (en) * | 2016-08-04 | 2016-11-16 | 联合瑞升（北京）科技有限公司 | A kind of hot press heating energy-saving system |
| CN110657600A (en) * | 2019-10-14 | 2020-01-07 | 唐晓林 | Constant temperature and humidity air conditioning unit |
| CN110657599A (en) * | 2019-10-14 | 2020-01-07 | 唐晓林 | Multi-split air conditioning system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice |
Addressee: HANGZHOU HENGXUN ENERGY TECHNOLOGY CO., LTD. Document name: Notification to Pay the Fees |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151125 Termination date: 20160116 |
|
| EXPY | Termination of patent right or utility model |