CN214120175U

CN214120175U - Energy-saving back pressure steam turbine heating system

Info

Publication number: CN214120175U
Application number: CN202023338300.0U
Authority: CN
Inventors: 姜阳; 陈少飞; 苗德
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-09-03
Anticipated expiration: 2030-12-31

Abstract

The utility model discloses an energy-saving back pressure steam turbine heating system, which comprises a back pressure steam turbine, wherein the input end of the back pressure steam turbine is connected with a steam inlet pipe fitting, the output end of the back pressure steam turbine is connected with a first heat exchange box, the steam inlet pipe fitting is connected with a second heat exchange box, the first heat exchange box is externally connected with a heat net water inlet pipe, the second heat exchange box is externally connected with a heat net water supply pipe, the first heat exchange box is connected with the second heat exchange box through a pipeline, the structure is simple, the structure is clear and understandable, the heat net water inlet pipe is used for water injection of the first heat exchange box and the second heat exchange box, hot water is output from the heat net water supply pipe after heat exchange with the first heat exchange steam pipe and the second heat exchange steam pipe, the hot water is used for household application, is used for heat recovery of the back pressure steam turbine, the energy is energy-saving and environment-friendly, the heat recovery effect is excellent, the energy consumption is reduced, the cost is reduced, and the functionality is strong, is worthy of popularization.

Description

Energy-saving back pressure steam turbine heating system

Technical Field

The utility model relates to a backpressure steam turbine technical field specifically is an energy-saving backpressure steam turbine heating system.

Background

The industrial development makes the energy consumption aggravated, and the development of science and technology, the development and application of new technology, opens up new development space in the aspects of energy utilization and consumption. As the key of a thermal power generation system, the technical update of a steam turbine and the application of a new technology bring great economic and social benefits while increasing the power generation efficiency of a power plant. The improvement and perfection of the reliability, economy and efficiency of the steam turbine are the main research subjects of the steam turbine industry. The continuous innovation and improvement of the steam turbine is the development process of the steam turbine. Internal efficiency, heat consumption, steam consumption and the like are important indexes for evaluating the reliability and the efficiency of the steam turbine. The regulating system of the steam turbine is the most important system for controlling the efficiency of the steam turbine, so an energy-saving back pressure steam turbine heating system is needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an energy-saving backpressure steam turbine heating system to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides an energy-saving backpressure steam turbine heating system, includes the backpressure steam turbine, the input of backpressure steam turbine is connected with the steam inlet pipe fitting, the backpressure steam turbine output is connected with first heat transfer case, steam inlet pipe fitting connection has the second heat transfer case, first heat transfer case external connection has the heat supply network inlet tube, second heat transfer case external connection has the heat supply network delivery pipe, pass through the pipe connection between first heat transfer case and the second heat transfer case.

Preferably, a first heat exchange steam pipe and a second heat exchange steam pipe are respectively installed in the first heat exchange box and the second heat exchange box, the first heat exchange steam pipe is connected with the steam inlet source pipe fitting, and the first heat exchange steam pipe is connected with the second heat exchange steam pipe.

Preferably, a heat supply network water return pipe is connected outside the heat supply network water inlet pipe connected with the second heat exchange box.

Preferably, the steam source pipe fitting comprises a first steam source pipe and a second steam source pipe, the first steam source pipe and the second steam source pipe are both connected with the input end of the back pressure turbine, the first steam source pipe and the second steam source pipe are respectively connected with a first pressure relief pipe and a second pressure relief pipe, the first pressure relief pipe and the second pressure relief pipe are both connected with a steam source inlet pipe, and the steam source inlet pipe is connected with the first heat exchange steam pipe.

Preferably, the diameters of the first steam source pipe and the second steam source pipe are larger than the diameters of the first pressure relief pipe, the second pressure relief pipe and the steam source inlet pipe.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model has simple structure and clear and understandable structure, the steam inlet source of the backpressure steam turbine comprises a first steam source pipe and a second steam source pipe, the external steam source of the first steam source pipe is a medium pressure cylinder steam exhaust or other high temperature medium pressure steam supplement source, the external steam source of the second steam source pipe is a reheat steam cold section steam extraction or reheat steam hot section steam extraction high temperature and high pressure steam source, the high temperature and high pressure steam source enters into the second heat exchange steam pipe and the first heat exchange steam pipe in the first heat exchange box and the second heat exchange box from the steam source inlet pipe with smaller diameter, the backpressure steam turbine outputs the high temperature and high pressure steam source to enter into the second heat exchange steam pipe in the first heat exchange box, the first heat exchange box and the second heat exchange box are filled with water, the heat network water inlet pipe is used for the water injection of the first heat exchange box and the second heat exchange steam pipe, the hot water is output from the heat network water supply pipe after the heat exchange with the first heat exchange steam pipe and the second heat exchange steam pipe, the hot water is used for the civil household backpressure of the steam turbine, the energy-saving and environment-friendly heat recovery device has the advantages of energy conservation, environmental protection, excellent heat recovery effect, energy consumption reduction, cost reduction, strong functionality and popularization value.

Drawings

FIG. 1 is a schematic block diagram of a heating system of an energy-saving back pressure turbine;

fig. 2 is a schematic structural diagram of a steam inlet source pipe fitting of an energy-saving back pressure steam turbine heating system.

In the figure: 1-a steam inlet source pipe fitting, 2-a backpressure steam turbine, 3-a first heat exchange steam pipe, 4-a second heat exchange box, 5-a first heat exchange box, 6-a second heat exchange steam pipe, 7-a steam source inlet pipe, 8-a second pressure relief pipe, 9-a first steam source pipe, 10-a second steam source pipe and 11-a first pressure relief pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides an energy-saving backpressure steam turbine heating system, includes backpressure steam turbine 2, the input of backpressure steam turbine 2 is connected with steam inlet source pipe fitting 1, 2 output of backpressure steam turbine are connected with first heat transfer case 5, steam inlet source pipe fitting 1 is connected with second heat transfer case 4, 5 outer joint in first heat transfer case have the heat supply network inlet tube, 4 outer joint in second heat transfer case have the heat supply network delivery pipe, pass through the pipe connection between first heat transfer case 5 and the second heat transfer case 4.

The steam inlet source pipe fitting 1 is used for steam inlet of the backpressure steam turbine 2, output steam of the backpressure steam turbine 2 is discharged into the first heat exchange box 5 and the second heat exchange box 4, water is filled in the first heat exchange box 5 and the second heat exchange box 4, the heat supply network water inlet pipe is used for water injection of the first heat exchange box 5 and the second heat exchange box 4, and after heat exchange, hot water is output from a heat supply network water supply pipe and used for civil use, heat recovery of the backpressure steam turbine 2, energy conservation and environmental protection are achieved.

A first heat exchange steam pipe 3 and a second heat exchange steam pipe 6 are respectively arranged in the first heat exchange box 5 and the second heat exchange box 4, the first heat exchange steam pipe 3 is connected with a steam inlet pipe fitting 1, the first heat exchange steam pipe 3 is connected with the second heat exchange steam pipe 6, a heat supply network water inlet pipe connected with the second heat exchange box 4 is externally connected with a heat supply network water return pipe, the steam inlet pipe fitting 1 comprises a first steam source pipe 9 and a second steam source pipe 10, the first steam source pipe 9 and the second steam source pipe 10 are both connected with the input end of the back pressure steam turbine 2, the first steam source pipe 9 and the second steam source pipe 10 are respectively connected with a first pressure relief pipe 11 and a second pressure relief pipe 8, the first pressure relief pipe 11 and the second pressure relief pipe 8 are both connected with a steam source inlet pipe 7, the steam source steam inlet pipe 7 is connected with the first heat exchange steam pipe 3, and the external steam source of the first steam source pipe 9 is an intermediate pressure cylinder steam exhaust or other high-pressure intermediate pressure steam compensating source, the external steam source of the second steam source pipe 10 is a reheat steam cold-section extraction steam or a reheat steam hot-section extraction steam high-temperature high-pressure steam source, and the diameters of the first steam source pipe 9 and the second steam source pipe 10 are larger than the diameters of the first pressure release pipe 11, the second pressure release pipe 8 and the steam source inlet pipe 7.

The steam inlet source of the backpressure steam turbine 2 comprises a first steam source pipe 9 and a second steam source pipe 10, the external steam source of the first steam source pipe 9 is medium pressure cylinder exhaust steam or other high temperature medium pressure steam supplementing steam sources, the external steam source of the second steam source pipe 10 is reheat steam cold section extraction steam or reheat steam hot section extraction high temperature and high pressure steam source, the high temperature and high pressure steam source enters into a second heat exchange steam pipe 6 and a first heat exchange steam pipe 3 in a first heat exchange box 5 and a second heat exchange box 4 from a steam source inlet pipe 7 with smaller diameter, the backpressure steam turbine 2 outputs high temperature and high pressure steam source and enters into the second heat exchange steam pipe 6 in the first heat exchange box 5, water is filled in the first heat exchange box 5 and the second heat exchange box 4, a heat supply pipe is used for water injection of the first heat exchange box 5 and the second heat exchange steam pipe 4, heat exchange is output from a heat supply pipe through heat exchange with the first heat exchange steam pipe 3 and the second heat exchange steam pipe 6, and is used for household application, the heat recovery device is used for recovering heat of the back pressure steam turbine 2, and is energy-saving and environment-friendly.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides an energy-saving backpressure steam turbine heating system, includes backpressure steam turbine (2), its characterized in that: the steam-water heater is characterized in that the input end of the backpressure steam turbine (2) is connected with a steam inlet source pipe fitting (1), the output end of the backpressure steam turbine (2) is connected with a first heat exchange box (5), the steam inlet source pipe fitting (1) is connected with a second heat exchange box (4), the first heat exchange box (5) is externally connected with a heat supply network water inlet pipe, the second heat exchange box (4) is externally connected with a heat supply network water supply pipe, and the first heat exchange box (5) and the second heat exchange box (4) are connected through a pipeline.

2. The energy-saving back pressure turbine heating system according to claim 1, wherein: the heat exchanger is characterized in that a first heat exchange steam pipe (3) and a second heat exchange steam pipe (6) are respectively arranged in the first heat exchange box (5) and the second heat exchange box (4), the first heat exchange steam pipe (3) is connected with the steam inlet pipe fitting (1), and the first heat exchange steam pipe (3) is connected with the second heat exchange steam pipe (6).

3. The energy-saving back pressure turbine heating system according to claim 2, wherein: and a heat supply network water return pipe is connected outside the heat supply network water inlet pipe connected with the second heat exchange box (4).

4. An energy saving back pressure turbine heating system according to claim 3, wherein: the steam source pipe fitting (1) comprises a first steam source pipe (9) and a second steam source pipe (10), the first steam source pipe (9) and the second steam source pipe (10) are connected with the input end of the backpressure steam turbine (2), the first steam source pipe (9) and the second steam source pipe (10) are respectively connected with a first pressure relief pipe (11) and a second pressure relief pipe (8), the first pressure relief pipe (11) and the second pressure relief pipe (8) are respectively connected with a steam source inlet pipe (7), and the steam source inlet pipe (7) is connected with the first heat exchange steam pipe (3).

5. The energy-saving back pressure turbine heating system according to claim 4, wherein: the diameters of the first steam source pipe (9) and the second steam source pipe (10) are larger than the diameters of the first pressure relief pipe (11), the second pressure relief pipe (8) and the steam source inlet pipe (7).