CN221347043U - Small-size emptying vapor heat recovery power generation facility - Google Patents
Small-size emptying vapor heat recovery power generation facility Download PDFInfo
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- CN221347043U CN221347043U CN202323253181.2U CN202323253181U CN221347043U CN 221347043 U CN221347043 U CN 221347043U CN 202323253181 U CN202323253181 U CN 202323253181U CN 221347043 U CN221347043 U CN 221347043U
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- screw expander
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- 238000010248 power generation Methods 0.000 title claims abstract description 14
- 238000011084 recovery Methods 0.000 title claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 24
- 238000001816 cooling Methods 0.000 claims abstract description 21
- 230000005611 electricity Effects 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 241000446313 Lamella Species 0.000 claims 1
- 230000003020 moisturizing effect Effects 0.000 claims 1
- 239000007788 liquid Substances 0.000 abstract description 18
- 239000000498 cooling water Substances 0.000 abstract description 7
- 230000001502 supplementing effect Effects 0.000 abstract description 7
- 239000007789 gas Substances 0.000 description 15
- 239000003921 oil Substances 0.000 description 13
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000002699 waste material Substances 0.000 description 3
- 239000002826 coolant Substances 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 239000010687 lubricating oil Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000002918 waste heat Substances 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- -1 low pressure steam Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000009290 primary effect Effects 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
The utility model relates to the technical field of new energy, in particular to a small-sized emptying steam heat energy recovery power generation device which comprises an evaporator, a heat regenerator, a screw expander, a generator, an oil-gas separator, a condenser, an oil cooler, an oil pump, a working medium pump, a water tank, a water supplementing pump, a cooling tower and a circulating water pump. After the steam enters the evaporator, the liquid working medium absorbs the heat of the steam in the evaporator, the liquid evaporates to be high-pressure gas organic working medium to push the screw expander to do work so as to drive the generator to generate power, and then the steam enters the heat regenerator to be condensed to become cooling water as a water supplementing source of the cooling tower. The pressure of the gaseous working medium after doing work is reduced and then condensed into liquid state in a condenser, cooling water in the condenser is cooled by a cooling tower and then continuously returns to cool the gaseous working medium to form a cycle, and the condensed liquid working medium is pressurized by a working medium pump and then enters an evaporator to absorb steam heat, so that a complete ORC cycle is completed.
Description
Technical Field
The utility model relates to the technical field of new energy, in particular to a small-sized emptying steam heat energy recovery power generation device.
Background
The principle of low-temperature waste heat power generation is temperature difference power generation, and the temperature difference of a cold source and a heat source is converted into the pressure difference of an expansion working medium through an ORC organic Rankine cycle system, so that an expander is pushed to apply work and a generator is dragged to generate power. The low-temperature waste heat power generation has low requirements on the temperature of a heat source, and the temperature of the heat source is generally below 200 ℃, and the heat source can be in various forms: such as excess hot water, low pressure steam, industrial waste liquid, chemical products, industrial flue gas, seawater, geothermal heat, solar photo-thermal, etc. in the production process. And a large number of industrial boilers and power station boilers of enterprises are provided with deaerators and boiler fixed-row expansion vessels and drainage expansion vessels which are provided with steam-water systems in operation, so that a large amount of low-pressure steam and flash steam are discharged outwards. In addition, in the process of using steam, many enterprises can generate a lot of discharged low-pressure steam due to the process, so that great energy loss and waste are caused, and the recycling economic value is great.
In order to solve the heat energy recovery problem of low-pressure steam and flash steam, a small-sized emptying steam heat energy recovery power generation device is provided, the heat quantity of low-pressure steam and flash steam absorbed by working media is changed into high-pressure gas to drive a screw expander to rotate so as to directly drive a generator to generate power, the device has the advantages of simple structure, compactness, integration, high efficiency, low cost and the like, and the problems of energy loss and waste in the emptying process of the low-pressure steam and the flash steam can be effectively solved, so that the device has great promotion significance for energy conservation and emission reduction.
Disclosure of utility model
Based on the above purposes, the utility model provides a small-sized emptying water vapor heat energy recovery power generation device, which utilizes working media to absorb heat of low-pressure vapor and flash vapor to drive a screw expander to rotate to directly drive a generator to generate power, has the advantages of simple structure, compact integration, high efficiency, low cost and the like, and can effectively solve the problems of energy loss and waste in the emptying process of the low-pressure vapor and the flash vapor, thereby having great promotion significance for energy conservation and emission reduction.
The working principle of the small-sized emptying steam heat energy recovery power generation device is as follows: and converting the heat energy into electric energy or mechanical energy by utilizing the temperature difference between the heat source and the cooling medium. The gaseous high-pressure working medium passes through the screw expander to push the rotor to rotate and output work to drive the generator, so that useful electric power is generated.
A small-sized emptying steam heat energy recovery power generation device comprises an evaporator, a heat regenerator, a screw expander, a generator, an oil-gas separator, a condenser, an oil cooler, an oil pump, a working medium pump, a water tank, a water supplementing pump, a cooling tower and a circulating water pump.
Further, in the embodiment of the utility model, after the steam enters the evaporator, the liquid working medium absorbs the heat of the steam in the evaporator, the liquid evaporates into high-pressure gas organic working medium to push the screw expander to do work so as to drive the generator to generate power, then the steam enters the regenerator to be condensed so as to become cooling water as a water supplementing source of the cooling tower, and the gaseous working medium pushing the screw expander to operate can carry a part of lubricating oil to be separated by the oil separator so that the working medium entering the condenser is purer, thereby improving the efficiency. Meanwhile, the separated oil returns to the screw expander to further ensure the normal operation of the screw expander, the pressure of the separated gaseous working medium is reduced and then condensed into a liquid state in the condenser, cooling water in the condenser is cooled by the cooling tower and then continuously returns to cool the gaseous working medium to form a cycle, and the condensed liquid working medium is pressurized by the working medium pump and then enters the evaporator to absorb steam heat, so that a complete ORC cycle is completed. The essence is to convert thermal energy into electric energy or mechanical energy by utilizing the temperature difference between the heat source and the cooling medium. The condenser adopts an evaporative water-cooling condenser form and consists of an open cooling tower and a water-cooling condenser, the open cooling tower cools the circulating cooling of the cooling system, the cooled circulating water enters the water-cooling condenser to condense and absorb heat to working media in the condenser, and the absorbed circulating water is pumped into the open cooling tower through a water pump to perform evaporative heat exchange.
The utility model has the beneficial effects that:
According to the utility model, the heat quantity of low-pressure steam and flash steam absorbed by working media is utilized to change into high-pressure gas to drive the screw expander to rotate so as to directly drive the generator to generate power, and the cooled steam is changed into condensed water to be conveyed to the cooling tower for recycling.
Drawings
In order to more clearly illustrate the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only of the utility model and that other drawings can be obtained from them without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of a small-sized vented steam heat energy recovery power generation device.
Detailed Description
The present utility model will be further described in detail with reference to specific embodiments in order to make the objects, technical solutions and advantages of the present utility model more apparent.
It is to be noted that unless otherwise defined, technical or scientific terms used herein should be taken in a general sense as understood by one of ordinary skill in the art to which the present utility model belongs. The terms "first," "second," and the like, as used herein, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that elements or items preceding the word are included in the element or item listed after the word and equivalents thereof, but does not exclude other elements or items. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", etc. are used merely to indicate relative positional relationships, which may also be changed when the absolute position of the object to be described is changed.
As shown in fig. 1, the small-sized emptying steam heat energy recovery power generation device comprises an evaporator (1), a heat regenerator (2), a screw expander (3), a generator (4), an oil-gas separator (5), a condenser (6), an oil cooler (7), an oil pump (8), a working medium pump (9), a water tank (10), a water supplementing pump (11), a cooling tower (12) and a circulating water pump (13).
The evaporator (1) and the heat regenerator (2) are of plate-shell type structures, and are designed in two-in-one mode.
The screw expander (3) is connected with the main shaft of the generator (4), the main shaft of the screw expander (3) is connected with the main shaft of the generator (4) through a gear box or a coupling, and the screw expander (3) expands to do work and directly drives the generator to generate electricity.
The condenser (6) is of a shell-and-tube water-cooling structure.
The working medium pump (9) is of a centrifugal structure.
In the utility model, after the steam enters the evaporator (1), the liquid working medium absorbs the steam heat in the evaporator (1) to be in a gaseous state, the screw expander (3) is driven to do work, the generator is driven to generate electricity (4), then the steam enters the regenerator (2) and becomes cooling water to the water tank (10) after condensation, the cooling water tank (10) is used as a water supplementing source of the cooling tower (12) through the water supplementing pump (11), the gaseous working medium driving the screw expander (3) can carry a part of lubricating oil, and the working medium entering the condenser (6) is purer after being separated through the oil separator (5), so that the efficiency is improved. Meanwhile, the separated oil is pumped back to the screw expander (3) through the oil pump (8) after being cooled by the oil cooler (7), so that the normal operation of the screw expander (3) is further ensured, the pressure of the separated gaseous working medium is reduced, then the separated gaseous working medium is condensed into a liquid state in the condenser (6), the condensed liquid working medium is pressurized by the working medium pump (9) and then enters the evaporator to absorb steam heat, cooling water in the condenser (6) is cooled by the cooling tower (12) and then continuously returns to cool the gaseous working medium through the circulating water pump (13), and a cycle is formed, so that a complete ORC cycle is completed.
The oil-gas mixture discharged by the screw expander (3) enters the oil-gas separator, primary effect and high-efficiency oil-gas separation are carried out in the oil-gas separator (5), the pressure of the gaseous working medium after the high-efficiency separation is reduced and then is condensed into a liquid state in the condenser (6), and the separated oil is pumped back to the screw expander (3) through the oil pump (8) after being cooled by the oil cooler (7).
Two paths of fluid channels are arranged in the evaporator (1) and the heat regenerator (2), one path is the steam heat source, the other path is the organic working medium liquid conveyed by the working medium pump (9), the organic working medium liquid in the heat regenerator performs heat exchange with external steam to preheat, and the organic working medium liquid absorbs heat in the steam; the organic working medium liquid which is heated after absorbing heat enters the evaporator (1), and the preheated organic working medium of the evaporator (1) is subjected to complete heat exchange with steam to generate high-temperature and high-pressure gas organic working medium. The high-temperature high-pressure gas organic working medium enters a screw expander (3) to perform expansion work. The high-temperature and high-pressure gas organic working medium after expansion work is changed into low-temperature and low-pressure gas organic working medium, the low-temperature and low-pressure gas organic working medium enters the condenser (6), the low-temperature and low-pressure gas organic working medium is condensed in the condenser (6), and the low-temperature and low-pressure liquid organic working medium is conveyed into the heat regenerator (2) through the working medium pump (9).
The present utility model is intended to embrace all such alternatives, modifications and variances which fall within the broad scope of the appended claims. Therefore, any omission, modification, equivalent replacement, improvement, etc. of the present utility model should be included in the scope of the present utility model.
Claims (3)
1. The utility model provides a small-size blowdown vapor heat recovery power generation facility, its characterized in that includes evaporimeter (1), regenerator (2), screw expander (3), generator (4), oil and gas separator (5), condenser (6) oil cooler (7), oil pump (8), working medium pump (9), water tank (10), moisturizing pump (11), cooling tower (12), circulating water pump (13), evaporimeter (1) and regenerator (2) be lamella structure, two unification designs, screw expander (3) link together with the main shaft of generator (4), the main shaft of screw expander (3) is in the same place through the main shaft connection of gear box or shaft coupling and generator (4), screw expander (3) inflation acting, direct drive generator generates electricity.
2. A compact, vented steam thermal energy recovery power plant as defined in claim 1, wherein: the condenser (6) is of a shell-and-tube water-cooling structure.
3. A compact, vented steam thermal energy recovery power plant as defined in claim 1, wherein: the working medium pump (9) is in a centrifugal structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323253181.2U CN221347043U (en) | 2023-11-30 | 2023-11-30 | Small-size emptying vapor heat recovery power generation facility |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323253181.2U CN221347043U (en) | 2023-11-30 | 2023-11-30 | Small-size emptying vapor heat recovery power generation facility |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221347043U true CN221347043U (en) | 2024-07-16 |
Family
ID=91843224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323253181.2U Active CN221347043U (en) | 2023-11-30 | 2023-11-30 | Small-size emptying vapor heat recovery power generation facility |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221347043U (en) |
-
2023
- 2023-11-30 CN CN202323253181.2U patent/CN221347043U/en active Active
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