CN204511542U - Compressed-air actuated device is produced with ORC - Google Patents
Compressed-air actuated device is produced with ORC Download PDFInfo
- Publication number
- CN204511542U CN204511542U CN201520058319.XU CN201520058319U CN204511542U CN 204511542 U CN204511542 U CN 204511542U CN 201520058319 U CN201520058319 U CN 201520058319U CN 204511542 U CN204511542 U CN 204511542U
- Authority
- CN
- China
- Prior art keywords
- working medium
- expander
- turbo
- vaporizer
- outlet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Engine Equipment That Uses Special Cycles (AREA)
Abstract
The utility model relates to Low and mid temperature heat recovery and utilizes technology, aims to provide one and produces compressed-air actuated device with ORC.This device comprises turbine coaxial all-in-one machine, is by turbo-expander and the coaxial direct connection of turbocompressor; Realize connecting by pipeline between each equipment: the outlet end of working medium pump connects with the working medium entrance of vaporizer, the sender property outlet of vaporizer connects with the working medium entrance of turbo-expander, the sender property outlet of turbo-expander is connected to the entry end of working medium pump through condenser, the pipeline between vaporizer and turbo-expander is provided with mortor operated valve.The utility model utilizes middle-low temperature heat to realize ORC and reclaims, and directly produces pressurized air, simultaneously by the heat of heat retrieving apparatus recovery gas turbine expander outlet, thus significantly improves the reuse efficiency of the waste heat energy.Pressure duct arranges mortor operated valve, the adjustment to ORC circulation and safety protection can be realized; By controlling the aperture of mortor operated valve, the frequency conversion of working medium pump, realize ORC optimized operation.
Description
Technical field
The utility model relates to Low and mid temperature heat recovery and utilizes technical field, especially relates to one and produces compressed-air actuated device with ORC.
Background technique
In all conglomeraties such as iron and steel, non-ferrous metal, petrochemical industry, building materials, light industry, there is a large amount of low grade residual heat in manufacturing enterprise, comprises flue gas, steam and hot water etc., these heat grades are low, quantity is large, point spreading, substantially can not for producing recycling.Under the large Policy Background of current energy-saving and emission-reduction, residual-heat utilization technology is more and more subject to the attention of industrial quarters and academia, and popularization middle and low temperature waste heat power generation or Low and mid temperature heat recovery produce the important way that pressurized air is the utilization of a kind of low grade residual heat.
The thermodynamic cycle technology that can realize hot merit (electricity) transformation technology at present mainly contains: organic Rankine bottoming cycle (being called for short ORC), ammoniacal liquor Kalina circulation, semi-conductor thermoelectric material thermo-electric generation, hot sound generating etc.Wherein semiconductor temperature differential generating technology is subject to the restriction of thermoelectric energy conversion efficiency and cost; There is the problems such as time of relaxation in thermo-acoustic technology, cycle efficiency can not ensure; Kalina Cyclical Theory efficiency is high, but forms complicated, and engineer applied reliability still needs inspection.
ORC power generation system have good mobility, height Security and to advantages such as the requirement of maintaining are lower, be integrated into energy system, drive with waste heat and can realize the conversion of low-grade energy to high-grade energy (electricity, pressurized air), alleviate electric power burden, improve the comprehensive reutilization rate of waste heat.
But, in ORC power generation system, owing to entering the random fluctuation of decompressor working medium flow and pressure, working medium can not fully effective steadily expansion work (expansion ratio of general screw expander controls at about 1:4) in decompressor, cause rotary speed unstabilization fixed, affect the stability of ORC systems generate electricity, reduce generating efficiency.If utilize decompressor Direct driver air compressor, normal air is compressed.Pressurized air is directly incorporated into gas pipeline network by after voltage stabilizing (decompression), and the energy efficiency of system can significantly improve.
At present, do not find both at home and abroad to utilize ORC to produce compressed-air actuated application, the utility model brings brand-new pressurized air ideas of energy-saving, utilizes free industrial middle-low temperature heat to produce pressurized air.
Model utility content
The technical problems to be solved in the utility model is, overcomes deficiency of the prior art, provides a kind of and produces compressed-air actuated device with ORC.The utility model is intended to improve the reality that energy efficiency is low, system is unstable that traditional ORC generates electricity, and for the large present situation of pressurized air demand in current industrial production process, the ingenious ORC of utilization directly produces pressurized air.
For technical solution problem, the technological scheme that the utility model adopts is:
There is provided a kind of and produce compressed-air actuated device with ORC, comprise vaporizer, turbine coaxial all-in-one machine, condenser, working medium pump and mortor operated valve; Described turbine coaxial all-in-one machine is by turbo-expander and the coaxial direct connection of turbocompressor, and turbo-expander is used for expansion work, and turbocompressor is used for producing pressurized air; Wherein, turbo-expander is provided with working medium entrance and sender property outlet, and turbocompressor is provided with air inlet and compressed air outlet;
Realize connecting by pipeline between each equipment: the outlet end of working medium pump connects with the working medium entrance of vaporizer, and the sender property outlet of vaporizer connects with the working medium entrance of turbo-expander, and the sender property outlet of turbo-expander is connected to the entry end of working medium pump through condenser; Vaporizer is provided with thermal source inlet end and thermal source outlet end, and the pipeline between vaporizer and turbo-expander is provided with mortor operated valve.
In the utility model, described condenser is the condenser of air cooling or water-cooled.
In the utility model, the pipeline between condenser and working medium pump is provided with liquid container.
In the utility model, between working medium pump and vaporizer, be provided with preheater; The outlet end of working medium pump is connected with the low temperature side entrance of preheater, and the low temperature side outlet of preheater is connected with the working medium entrance of vaporizer; The sender property outlet of turbo-expander is connected with the high temperature side entrance of preheater, and the high temperature side outlet of preheater is connected with the working medium entrance of condenser.
Utilize device described in the utility model to realize ORC and produce compressed-air actuated method, comprising:
Low pressure (1 ~ 2.5bar) organic working medium sends into vaporizer after being pressurised into supercooled liquid by working medium pump, the energy conversion absorbed from middle-low temperature heat (80 ~ 300 DEG C) is high pressure (5 ~ 10bar) high temperature (60 ~ 80 DEG C) steam, then is imported into turbo-expander; While turbo-expander expansion work, drive the turbocompressor of direct connection to compress normal air, realize output squeezing air; After turbo-expander acting, organic working medium is discharged with the vaporous form of 1.5 ~ 3bar and is sent into condenser, is being condensed into liquid state, returns working medium pump entrance, realize reciprocation cycle with this after low-temperature receiver heat release; Be located at mortor operated valve on evaporator outlet pipeline for regulating the flow of the organic working medium entering turbo-expander.
A preheater is provided with between working medium pump and vaporizer; Working medium pump adds after working medium that the organic working medium that presses through and turbo-expander discharge realizes heat exchange in preheater, then is admitted to vaporizer and condenser respectively.
Described middle-low temperature heat refers to: flue gas, steam or hot water.Described low-temperature receiver is water or air.Described organic working medium is freon.Also non-Freon working medium can be applied, such as silicone oil, carbon dioxide etc. in some special industry occasions.
Compared with prior art, the beneficial effects of the utility model are:
1, middle-low temperature heat ORC recycles, and directly produces pressurized air, simultaneously by the heat of heat retrieving apparatus recovery gas turbine expander outlet, thus significantly improves the reuse efficiency of the waste heat energy.
2, mortor operated valve is set on pressure duct, the adjustment to ORC circulation and safety protection can be realized; Each aspect of pipeline arranging sensor, by controlling the aperture of mortor operated valve, the frequency conversion of working medium pump, realizing ORC optimized operation.
Accompanying drawing explanation
Fig. 1 is that ORC of the present utility model produces compressed-air actuated device schematic diagram;
Fig. 2 is that the ORC of improvement of the present utility model produces compressed-air actuated device schematic diagram.
Be labeled as in figure: 1 turbocompressor; 2 turbo-expanders; 3 condensers; 4 liquid containers; 5 working medium pumps; 6 preheaters; 7 vaporizers; 8 mortor operated valves.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is further illustrated.
Produce compressed-air actuated device as shown in Figure 1 with ORC in the utility model, comprise vaporizer 7, turbine coaxial all-in-one machine, condenser 3, liquid container 4, working medium pump 5 and mortor operated valve 8; Condenser 3 is condensers of air cooling or water-cooled.
Turbine coaxial all-in-one machine is by turbo-expander 2 and the coaxial direct connection of turbocompressor 1, and turbo-expander 2 is for expansion work, and turbocompressor 1 is for producing pressurized air; Wherein, turbo-expander 2 is provided with working medium entrance and sender property outlet, and turbocompressor 1 is provided with air inlet and compressed air outlet;
During the work of turbine coaxial all-in-one machine, turbo-expander 2 is connected with turbocompressor 1 coaxial constant-speed, avoids different driven off by shaft mechanical efficiency loss, improves and produce compressed-air actuated whole efficiency.
Realize connecting by pipeline between each equipment: the outlet end of working medium pump 5 connects with the working medium entrance of vaporizer 7, the sender property outlet of vaporizer 7 connects with the working medium entrance of turbo-expander 2 through mortor operated valve 8, and the sender property outlet of turbo-expander 2 is connected to the entry end of working medium pump 5 through condenser 3, liquid container 4; Vaporizer 7 is provided with thermal source inlet end and thermal source outlet end.
As shown in Figure 2, compared with Fig. 1, this device is between working medium pump and vaporizer, set up a preheater 6 to another kind of embodiment; The outlet end of working medium pump 5 is connected with the low temperature side entrance of preheater 6, and the low temperature side outlet of preheater 6 is connected with the working medium entrance of vaporizer 7; The sender property outlet of turbo-expander 2 is connected with the high temperature side entrance of preheater 6, and the high temperature side outlet of preheater 6 is connected with the working medium entrance of condenser 3.
Utilize Fig. 2 shown device to realize ORC and produce compressed-air actuated method, comprising:
Low pressure (1 ~ 2.5bar) organic working medium is pressurised into supercooled liquid by working medium pump 5, after the working medium of discharging with turbo-expander 2 in preheater 6 realizes heat exchange, be admitted to vaporizer 7 again, the energy conversion absorbed from middle-low temperature heat (80 ~ 300 DEG C) is high pressure (5 ~ 10bar) high temperature (60 ~ 80 DEG C) steam, is then imported into turbo-expander 2.While turbo-expander 2 expansion work, drive turbocompressor 1 pair of normal air of direct connection to compress, realize output squeezing air; After turbo-expander 2 does work, organic working medium is discharged with the vaporous form of 1.5 ~ 3bar, after the organic working medium of discharging with working medium pump 5 in preheater 6 realizes heat exchange, is admitted to condenser 3; To low-temperature receiver (if water-cooled pattern, cooling water about 30 DEG C; If air-cooled pattern, air normal temperature 20 DEG C) be condensed into liquid state after heat release, return working medium pump 5 entrance, realize reciprocation cycle with this; Be located at mortor operated valve 8 on vaporizer 7 outlet line for regulating the flow of organic working medium.
In the utility model, can also control system be set, for realizing the basic controlling of the electric and instrument relevant to device.Pressure duct arranges mortor operated valve 8, for the adjustment that circulates to ORC and safety protection; By arranging sensor on each aspect of pipeline, and controlling the aperture of mortor operated valve 8, the frequency conversion of working medium pump 5, realizing ORC optimized operation.Turbine coaxial all-in-one machine establishes lubricating oil system, for the lubrication to turbine coaxial all-in-one machine.Middle-low temperature heat refers to flue gas, steam or hot water; Low-temperature receiver is water or air; Organic working medium is freon.
Claims (4)
1. produce a compressed-air actuated device with ORC, comprise vaporizer; It is characterized in that, this device also comprises: turbine coaxial all-in-one machine, condenser, working medium pump and mortor operated valve;
Described turbine coaxial all-in-one machine is by turbo-expander and the coaxial direct connection of turbocompressor, and turbo-expander is used for expansion work, and turbocompressor is used for producing pressurized air; Wherein, turbo-expander is provided with working medium entrance and sender property outlet, and turbocompressor is provided with air inlet and compressed air outlet;
Realize connecting by pipeline between each equipment: the outlet end of working medium pump connects with the working medium entrance of vaporizer, and the sender property outlet of vaporizer connects with the working medium entrance of turbo-expander, and the sender property outlet of turbo-expander is connected to the entry end of working medium pump through condenser; Vaporizer is provided with thermal source inlet end and thermal source outlet end, and the pipeline between vaporizer and turbo-expander is provided with mortor operated valve.
2. device according to claim 1, is characterized in that, described condenser is air-cooled condenser or water-cooled condenser.
3. device according to claim 1, is characterized in that, the pipeline between condenser and working medium pump is provided with liquid container.
4., according to the device described in claims 1 to 3 any one, it is characterized in that, between working medium pump and vaporizer, be provided with preheater; The outlet end of working medium pump is connected with the low temperature side entrance of preheater, and the low temperature side outlet of preheater is connected with the working medium entrance of vaporizer; The sender property outlet of turbo-expander is connected with the high temperature side entrance of preheater, and the high temperature side outlet of preheater is connected with the working medium entrance of condenser.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520058319.XU CN204511542U (en) | 2015-01-28 | 2015-01-28 | Compressed-air actuated device is produced with ORC |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520058319.XU CN204511542U (en) | 2015-01-28 | 2015-01-28 | Compressed-air actuated device is produced with ORC |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204511542U true CN204511542U (en) | 2015-07-29 |
Family
ID=53709532
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520058319.XU Active CN204511542U (en) | 2015-01-28 | 2015-01-28 | Compressed-air actuated device is produced with ORC |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204511542U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104675461A (en) * | 2015-01-28 | 2015-06-03 | 沈天昱 | Device and method for preparing compressed air through ORC |
-
2015
- 2015-01-28 CN CN201520058319.XU patent/CN204511542U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104675461A (en) * | 2015-01-28 | 2015-06-03 | 沈天昱 | Device and method for preparing compressed air through ORC |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102226604A (en) | High-temperature vapor heat pump system for generating vapor by utilizing low-grade waste heat | |
| CA2662463A1 (en) | Method and apparatus for use of low-temperature heat for electricity generation | |
| CN105089726A (en) | Cooling, heating and power combined supply system based on double-pressure organic Rankine cycle | |
| CN103195526A (en) | Combined cooling power generation composite system based on supercritical organic Rankine cycle | |
| CN103306764A (en) | Kalina circulating system with two-phase expansion machine | |
| CN104612771B (en) | A kind of ORC produces compressed-air actuated device and method | |
| CN103089356A (en) | Flash evaporation-double work medium combined power generation device | |
| CN104612761B (en) | Realize that twin-stage flows the method that turbo-expander ORC produces compressed air entirely | |
| CN204267119U (en) | Oil field geothermal tail water is utilized to carry out the equipment of dual-circulation screw expansion machine generating | |
| CN103821571A (en) | Novel thermal power generation system and working method | |
| CN202133185U (en) | High-temperature steam-generating heat pump system | |
| CN204511542U (en) | Compressed-air actuated device is produced with ORC | |
| CN104454048A (en) | ORC expansion recycling method and device of waste heat of air compressor set | |
| CN104675461A (en) | Device and method for preparing compressed air through ORC | |
| CN204511539U (en) | A kind of ORC produces compressed-air actuated device | |
| CN204511529U (en) | Twin-stage entirely flows turbo-expander ORC and produces compressed-air actuated system | |
| CN105756736A (en) | Low-temperature heat source turbine power generation device and organic dual-circulation method based on device | |
| CN204511540U (en) | ORC with liquid ejection device produces compressed air plant | |
| CN202520387U (en) | Medium-small pressure difference vapor energy-saving power generation system | |
| CN205064278U (en) | ORC prepares compressed air's device | |
| CN104632313A (en) | Device and method for preparing compressed air by means of ORC | |
| CN204511792U (en) | Solar energy ORC produces compressed-air actuated system | |
| CN104612917A (en) | System and method for preparing compressed air through solar ORC | |
| CN203783660U (en) | Carnot-Rankine mixed cycle high-efficiency generating equipment | |
| CN104594966A (en) | ORC (Organic Rankine Cycle) compressed air making device provided with liquid ejection device and method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |