Steam turbine dead steam waste heat recycling device
By designing the structure of the absorption plate and heating plate, the problems of wear and difficult maintenance of existing equipment were solved, achieving efficient recovery of waste heat from exhaust steam and convenient maintenance of the equipment.
Patent Information
- Application Number
- CN202520169991.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-24
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2035-01-24
AI Technical Summary
Existing waste heat recovery and reuse devices are prone to wear and tear after prolonged use and are difficult to maintain.
A device comprising a conductive body, a recovery body, an absorption plate, and a heating plate is designed. The absorption plate absorbs the heat of the exhaust steam and conducts it to the heating plate, which heats the demineralized water inside the heating tube. The heating plate is also slidable for easy maintenance.
It achieves efficient recovery and utilization of waste heat from exhaust steam and facilitates the maintenance and repair of the equipment.
Smart Images
Figure CN223755349U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the waste heat recycling technical field, concretely relates to a steam turbine exhaust steam waste heat recycling device. BACKGROUND
[0002] Steam turbine is a kind of turbine, is the original driver using high-pressure steam to push impeller rotation to generate power, using the expansion of steam to change its part heat energy into high-speed airflow, push impeller rotation and change into kinetic energy, steam passes through nozzle chamber, nozzle chamber makes steam flow to reduce pressure, speed, steering, changes heat energy into kinetic energy, and high-speed airflow is sprayed to moving blade according to certain direction, when steam flow enters moving blade grid from static blade grid, because the flow passage section of moving blade is made into gradually shrinked, so airflow is further reduced in pressure, expands and accelerates in moving blade grid.The airflow with certain kinetic energy produces an impact force to blade, and under the action of impulsive force and reaction force, moving blade pushes steam turbine main shaft to rotate, generates mechanical work, in its working process, the exhaust steam still has certain temperature and pressure after a series of transmission, and this part of steam is wasted to resources if directly discharged to outside, so waste heat recovery and recycling device is needed to recover and utilize the waste heat of exhaust steam;
[0003] The existing waste heat recovery and recycling device is mostly connected to the conduction structure through the steam inlet pipe, the waste heat of exhaust steam is conducted to the water pipe through the conduction structure of metal material to heat the demineralized water in the water pipe, and the conduction structure of the existing waste heat recovery and recycling device is usually fixed structure, which can be worn after long-time conduction of waste heat, and is difficult to maintain. UTILITY MODEL CONTENTS
[0004] The utility model provides a steam turbine exhaust steam waste heat recycling device for above-mentioned problem.
[0005] To achieve the above purpose, the utility model adopts the following technical scheme:
[0006] A steam turbine exhaust steam waste heat recycling device, including conduction main part, be provided with recovery main part at the front side of conduction main part, be provided with steam guide pipe at the left and right sides of conduction main part, be provided with multiple groups of absorption plate in conduction main part, multiple groups of absorption plate are fixedly connected and are staggered in horizontal and vertical directions, multiple layers of heating plate are slidably arranged in recovery main part, absorption plate passes through the lateral wall of conduction main part and is movably connected with heating plate, heating pipe is arranged above heating plate, the lower surface of heating plate and heating pipe is in contact, water pipe is connected to the left and right sides of heating pipe, and water pipe passes through recovery main part and is arranged.
[0007] Further, the heating plate is provided with a sliding block on the left and right sides, the sliding groove corresponding to the sliding block is formed on the side wall of the recovery main body, and the front end of the heating plate is fixedly connected with a taking-out plate through an opening formed on the front side of the recovery main body.
[0008] Further, the front end surface of the taking-out plate is fixedly connected with a handle.
[0009] Further, the steam guide pipe is provided with a valve.
[0010] Further, the outer side end of the water pipe is fixedly provided with a connecting flange.
[0011] Further, the lower ends of the conduction main body and the recovery main body are provided with anti-skid pads.
[0012] Further, the absorbing plate and the heating plate are made of metal.
[0013] Further, the absorbing plate is movably connected with the heating plate through the connecting groove.
[0014] Compared with the prior art, the utility model has the following advantages:
[0015] The utility model discloses a heat recovery device for steam turbine, which comprises a recovery main body, a conduction main body, a plurality of absorbing plates, a heating plate, a steam guide pipe, a water pipe and a valve.
[0016] The utility model discloses a heat recovery device for steam turbine, which comprises a recovery main body, a conduction main body, a plurality of absorbing plates, a heating plate, a steam guide pipe, a water pipe and a valve. BRIEF DESCRIPTION OF DRAWINGS
[0017] Fig. 1 It is the structure schematic drawing of the utility model;
[0018] Fig. 2 It is the section view of the utility model;
[0019] Fig. 3 It is the section view of the utility model;
[0020] In the figure, the conduction body 1, the recovery body 2, the steam pipe 3, the valve 4, the water pipe 5, the connecting flange 6, the non-slip pad 7, the taking-out plate 8, the handle 9, the sliding groove 10, the sliding block 11, the absorption plate 12, the heating plate 13, the heating pipe 14, the connecting groove 15. DETAILED DESCRIPTION
[0021] In order to further illustrate the technical scheme of the utility model, the utility model is further illustrated by the following examples.
[0022] As Figs. 1 to 3 shown, a steam turbine exhaust steam waste heat recycling device, including conduction body 1, the front side of the conduction body 1 is provided with recovery body 2, the lower end of the conduction body 1 and recovery body 2 are provided with non-slip pad 7, the left and right sides of the conduction body 1 are provided with steam pipe 3, the valve 4 is installed on the steam pipe 3, a plurality of absorption plates 12 are arranged in the conduction body 1, a plurality of absorption plates 12 are fixedly connected in horizontal and vertical directions, a plurality of heating plates 13 are slidably arranged in the recovery body 2, the left and right sides of the heating plate 13 are provided with sliding block 11, the sliding groove 10 corresponding to the sliding block 11 is formed in the side wall of the recovery body 2, the opening is formed in the front side of the recovery body 2, the front end of the heating plate 13 is fixedly connected with taking-out plate 8 through the opening, the handle 9 is fixedly connected to the front end surface of the taking-out plate 8, the absorption plate 12 is movably connected with the heating plate 13 through the connecting groove 15 in the side wall of the conduction body 1, the absorption plate 12 and the heating plate 13 are made of metal, the heating pipe 14 is arranged above the heating plate 13, the lower surface of the heating pipe 14 is in contact with the heating plate 13, the water pipe 5 is connected to the left and right sides of the heating pipe 14, the water pipe 5 penetrates through the recovery body 2 and is fixedly provided with connecting flange 6 on the outer side of the water pipe 5.
[0023] The working principle is as follows:
[0024] In use, first connect the water pipe 5 to the delivery pipe through the connecting flange 6, when the waste steam discharged by the steam turbine needs to be recycled, open the valve 4 to discharge the waste steam into the conducting body 1, through the multiple groups of absorbing plates 12 in the conducting body 1 which are transversely and longitudinally fixedly connected and mutually fixedly connected, absorb the heat in the waste steam (when two metal plates are in contact, a heat conduction path is formed between them, the tightness of the contact will affect the efficiency of heat conduction, ideally, completely tight contact will maximize heat conduction, however, in actual application, due to various requirements and the structure and position of the metal plates, the contact may not be completely tight. Nevertheless, even if not completely tight, heat can still be conducted through the contact points), conduct the heat to the heating plate 13 which is movably connected to one side of the absorbing plate 12, conduct the heat through the heating plate 13 to the heating pipe 14 which is movably connected to the top of the heating plate 13, heat the desalted water flowing in the heating pipe 14 through the conducted waste heat, thereby realizing the recycling of the waste heat of the waste steam, after a long time of work of the waste heat recycling device, manually hold the handle 9, pull the handle 9 to drive the extraction plate 8 and the heating plate 13 to slide out of the sliding groove 10, after maintenance, manually hold the handle 9, insert the heating plate 13 into the recycling body 2 through the sliding block 11 cooperating with the sliding groove 10, thereby realizing the maintenance of the conducting structure.
[0025] The main features and advantages of the present application are shown and described above, it is obvious for those skilled in the art that the present application is not limited to the details of the above-mentioned exemplary embodiments, and can be realized in other specific forms without departing from the spirit or basic characteristics of the present application. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the present application is defined by the appended claims rather than the above description, therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application.
[0026] In addition, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, the description manner of the specification is only for the sake of clarity, those skilled in the art should consider the specification as a whole, the technical solutions in each embodiment can also be appropriately combined to form other embodiments which can be understood by those skilled in the art.
Claims
1. A steam turbine exhaust heat recovery device, characterized by: The utility model provides a kind of steam recovery device, including the conduction main body (1), recycling main body (2) is provided in the front side of the conduction main body (1), steam guide pipe (3) is provided in the left and right sides of the conduction main body (1), multiple groups of absorption plate (12) are arranged in the conduction main body (1) inside, multiple groups of the absorption plate (12) are fixedly connected between staggered direction, multiple layers of heating plate (13) are slidably arranged in the recycling main body (2) inside, the absorption plate (12) of transverse passes through the lateral wall of conduction main body (1) and is movably connected with heating plate (13), heating pipe (14) is arranged above the heating plate (13), and the lower surface of heating pipe (14) is contacted with heating plate (13), and water pipe (5) is connected in the left and right sides of heating pipe (14), and water pipe (5) is arranged through recycling main body (2).
2. A steam turbine exhaust heat recovery device according to claim 1, characterized in that: Sliding block (11) is arranged in the left and right sides of the heating plate (13), sliding slot (10) corresponding with sliding block (11) is formed in the lateral wall of recycling main body (2), opening is formed in the front side of recycling main body (2), and the front end of heating plate (13) is fixedly connected with taking-out plate (8) through opening.
3. A steam turbine exhaust heat recovery device according to claim 2, characterized in that: Handle (9) is fixedly connected in the front end surface of taking-out plate (8).
4. The steam turbine exhaust heat recovery device of claim 1, wherein: Valve (4) is installed on the steam guide pipe (3).
5. The steam turbine exhaust heat recovery device of claim 1, wherein: Connecting flange (6) is fixedly arranged in the outer side end of water pipe (5).
6. A steam turbine exhaust heat recovery device according to claim 1, characterized in that: Antiskid pad (7) is arranged in the lower end of the conduction main body (1) and recycling main body (2).
7. The steam turbine exhaust heat recovery device of claim 1, wherein: The absorption plate (12) and heating plate (13) are both metal materials.
8. The steam turbine exhaust heat recovery device of claim 1, wherein: The absorption plate (12) of transverse is movably connected with heating plate (13) by connecting groove (15).