CN216841846U - System for reducing steam pipe network loss by bearing electric load - Google Patents
System for reducing steam pipe network loss by bearing electric load Download PDFInfo
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- CN216841846U CN216841846U CN202123040771.8U CN202123040771U CN216841846U CN 216841846 U CN216841846 U CN 216841846U CN 202123040771 U CN202123040771 U CN 202123040771U CN 216841846 U CN216841846 U CN 216841846U
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Abstract
The utility model discloses a system for reducing the loss of a steam pipe network by bearing the electric load, which comprises a cogeneration unit, a steam supply main pipeline, an evaporator and an expander; the steam outlet of the cogeneration unit is connected with the inlet of the main steam supply pipeline, the main steam supply pipeline is connected with the hot end inlet of the evaporator, the cold end of the evaporator is internally provided with organic working media, and the cold end outlet of the evaporator is connected with the inlet of the expansion machine. The evaporator is driven by steam, and then the steam enters the expansion machine to generate electricity, so that the electricity load of a user is borne, the heat user is effectively expanded, the steam is generated through the steam, the flow of a steam pipe network needs to be improved, the pipe loss of the steam pipe network is greatly reduced, and energy and water conservation is realized.
Description
Technical Field
The utility model belongs to steam pipe network field relates to a reduce system that steam pipe network pipe decreased through undertaking the electric load.
Background
Industrial heat enterprises mainly use scattered small boilers, dust removing equipment falls behind, no desulfurization facilities exist, energy consumption is high, and serious pollution is caused to the environment. The coal-fired unit cogeneration is the heat supply mode with the highest energy utilization efficiency, and the heat supply pipeline for receiving the steam through the coal-fired unit supplies the steam to the industrial park, so that the energy utilization efficiency can be effectively improved, and the pollutant emission is reduced. However, the steam enterprises are gradually parked, and the design of the steam pipeline is usually considered according to the whole parking, so that the pipe loss of the steam pipe network at the initial stage of steam supply is large, and the large economic loss and the water resource waste are caused to the power plant.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned prior art's shortcoming, provide a system that reduces the loss of steam pipe network through undertaking the electric load, can improve steam pipe network flow to reduce the pipe loss of steam pipe network by a wide margin, realize the energy-conserving water conservation of economize on electricity.
In order to achieve the above purpose, the utility model adopts the following technical scheme to realize:
a system for reducing the loss of a steam pipe network by bearing electric load comprises a cogeneration unit, a steam supply main pipeline, an evaporator and an expansion machine;
the steam outlet of the cogeneration unit is connected with the inlet of the main steam supply pipeline, the main steam supply pipeline is connected with the hot end inlet of the evaporator, the cold end of the evaporator is internally provided with organic working media, and the cold end outlet of the evaporator is connected with the inlet of the expansion machine.
Preferably, the hot end outlet of the evaporator is connected with a heat supply pipeline.
Preferably, the outlet of the expansion machine is connected with the inlet of a condenser, and the outlet of the condenser is connected with the inlet of the cold end of the evaporator.
Further, an organic working medium pump is arranged between the outlet of the condenser and the cold end inlet of the evaporator.
Further, a storage tank is arranged between the outlet of the condenser and the cold end inlet of the evaporator.
Preferably, the organic working fluid is R245 fa.
Preferably, the expander is a turboexpander.
Preferably, the main steam supply pipeline is provided with a branch port, the branch port is connected with an inlet of the branch steam supply pipeline, and an outlet of the branch steam supply pipeline is connected with an inlet of the hot end of the evaporator.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model discloses a steam drive evaporimeter, and then generate electricity in getting into the expander, undertake user's electric load to effectively expand hot user, and generate electricity through steam, need improve steam pipe network flow, thereby reduce the pipe loss of steam pipe network by a wide margin, realize energy-conserving water conservation.
Furthermore, the steam is firstly used for driving the evaporator and then used for supplying heat, and the cogeneration and the cascade utilization of the steam are realized.
Drawings
Fig. 1 is a schematic diagram of the system structure of the present invention.
Wherein: 1-cogeneration unit; 2-a main steam supply line; 3-a steam supply branch pipe; 4-an evaporator; 5-an expander; 6-a condenser; 7-a storage tank; 8-organic working medium pump.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings:
as shown in figure 1, for the system that reduces the loss of steam pipe network through undertaking the electric load, the system comprises a cogeneration unit 1, a main steam supply pipeline 2, a branch steam supply pipeline 3, an evaporator 4, an expander 5, a condenser 6, a storage tank 7 and an organic working medium pump 8.
Steam outlet and the entry linkage of steam supply trunk line 2 of combined heat and power generation unit 1, be provided with the branch mouth on the steam supply trunk line 2, branch mouth and steam supply branch pipe 3's entry linkage, steam supply branch pipe 3's export and 4 hot junction entry linkages of evaporimeter, the entry of the cold junction exit linkage expander 5 of evaporimeter 4, the exit linkage condenser 6 of expander 5 has the entry, the entry of the exit linkage storage tank 7 of condenser 6, the exit linkage of storage tank 7 has the entry of organic working medium pump 8, the cold junction entry of the exit linkage evaporimeter 4 of organic working medium pump 8.
The steam supply branch pipe 3 is provided with a flow regulating valve which can regulate the flow of the steam flowing into the steam supply branch pipe 3 from the main steam supply pipe 2.
The expander 5 is a turbo expander. The organic working fluid can adopt R245 fa.
The hot end outlet of the evaporator 4 is connected with a heat supply pipeline. The steam is used for driving the evaporator 4 and then used for supplying heat, so that the cogeneration and the cascade utilization of the steam are realized.
Undertake the working process of the system that electric load reduces the loss of steam pipe network management and do:
steam output by the cogeneration unit 1 enters a steam supply branch pipeline from a branch port of a steam supply main pipeline 2, then enters the hot end of an evaporator 4, exchanges heat with an organic medium at the cold end of the evaporator 4, and the steam after heat exchange enters a heat supply pipeline for supplying heat; the heated organic medium enters the expansion machine 5 to do work so as to generate power, the organic medium enters the condenser 6 to be cooled after the work is done in the expansion machine 5, the cooled organic medium enters the storage tank 7 to be stored, and the organic medium stored in the storage tank 7 is pumped into a cold end inlet of the evaporator 4 through the organic working medium pump 8 to form the circulation of the organic medium.
The evaporator is driven by steam, and then the steam enters the expansion machine 5 to generate power and bear the electric load of a user, so that the heat user is effectively expanded, the steam is generated through the steam, the flow of a steam pipe network needs to be improved, the pipe loss of the steam pipe network is greatly reduced, and energy and water conservation is realized. And the steam is firstly used for driving the evaporator and then used for supplying heat, so that the cogeneration and the cascade utilization of the steam are realized.
Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: modifications and equivalents of the embodiments of the invention may be made without departing from the spirit and scope of the invention, which should be construed as falling within the scope of the claims of the invention.
Claims (6)
1. A system for reducing the loss of a steam pipe network by bearing electric load is characterized by comprising a cogeneration unit (1), a steam supply main pipeline (2), an evaporator (4) and an expansion machine (5);
a steam outlet of the cogeneration unit (1) is connected with an inlet of a main steam supply pipeline (2), the main steam supply pipeline (2) is connected with a hot end inlet of an evaporator (4), an organic working medium is arranged in a cold end of the evaporator (4), and a cold end outlet of the evaporator (4) is connected with an inlet of an expander (5); the hot end outlet of the evaporator (4) is connected with a heat supply pipeline; the outlet of the expansion machine (5) is connected with the inlet of a condenser (6), and the outlet of the condenser (6) is connected with the cold end inlet of the evaporator (4); the expander (5) generates electricity and bears the electrical load of the user.
2. The system for reducing the loss of a steam pipe network by bearing an electric load according to claim 1, wherein an organic working medium pump (8) is arranged between the outlet of the condenser (6) and the inlet of the cold end of the evaporator (4).
3. System for reducing steam pipe network losses by assuming an electrical load according to claim 1, characterized in that a storage tank (7) is arranged between the outlet of the condenser (6) and the cold inlet of the evaporator (4).
4. The system for reducing steam pipe network loss by assuming electrical load according to claim 1, wherein the organic working fluid employs R245 fa.
5. The system for reducing the loss of a steam pipe network by bearing an electrical load according to claim 1, wherein the expander (5) is a turbo expander.
6. The system for reducing the loss of a steam pipe network by bearing an electrical load according to claim 1, wherein a branch port is provided on the main steam supply pipe (2), the branch port is connected with an inlet of the branch steam supply pipe (3), and an outlet of the branch steam supply pipe (3) is connected with a hot end inlet of the evaporator (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123040771.8U CN216841846U (en) | 2021-12-02 | 2021-12-02 | System for reducing steam pipe network loss by bearing electric load |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123040771.8U CN216841846U (en) | 2021-12-02 | 2021-12-02 | System for reducing steam pipe network loss by bearing electric load |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216841846U true CN216841846U (en) | 2022-06-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123040771.8U Active CN216841846U (en) | 2021-12-02 | 2021-12-02 | System for reducing steam pipe network loss by bearing electric load |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216841846U (en) |
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2021
- 2021-12-02 CN CN202123040771.8U patent/CN216841846U/en active Active
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