CN218295778U

CN218295778U - High-efficient recovery unit of waste heat for coal-fired power generation

Info

Publication number: CN218295778U
Application number: CN202122108109.5U
Authority: CN
Inventors: 董珍柱; 高春文; 张东亮; 徐成伟; 戴生明; 杨宏宏; 李吉明; 赵维斌; 崔大伟; 韩彦林
Original assignee: Shanxi Huaguang Power Generation Co ltd
Current assignee: Shanxi Huaguang Power Generation Co ltd
Priority date: 2021-09-02
Filing date: 2021-09-02
Publication date: 2023-01-13
Anticipated expiration: 2031-09-02

Abstract

The utility model discloses a high-efficient recovery unit of waste heat for coal-fired power generation, include the shell, be fixed in the mounting panel on shell outer end surface and install the base in the shell bottom, the inside top of shell is fixed with the base, the last surface mounting of base has the water tank, the upper surface intercommunication of water tank has the inlet tube, the inlet tube extends the outside that runs through to the shell, the outside of inlet tube is provided with the intake pipe with the water tank intercommunication, the inner surface mounting of mounting panel has driving motor, driving motor's output is connected with the axostylus axostyle, the axostylus axostyle is located the inside of shell, the outer end of axostylus axostyle is connected with clean mechanism, the inside of base is provided with the through-hole structure. The utility model discloses a be provided with a series of structures, can filter the flue gas that gets into to detach particle impurity and avoid the pipe blockage, can clean the structure of filtering the flue gas simultaneously, avoid its filtering capability to descend.

Description

High-efficient recovery unit of waste heat for coal-fired power generation

Technical Field

The utility model relates to a coal-fired power generation technical field specifically is a high-efficient recovery unit of waste heat for coal-fired power generation.

Background

Electric energy is one of indispensable energy in daily life, and the supply of electric power has multiple mode at present, and wherein utilize coal burning to generate electricity more generally, and the produced flue gas inside often contains a large amount of heat energy during coal burning, in order to avoid the waste of the energy, so will use equipment to retrieve this heat energy.

At present, the heat energy in the gas is recovered by a heat exchange mode, however, when the heat energy in the flue gas is recovered, because the flue gas contains a large amount of particle impurities, the pipeline in the recovery equipment is easy to block due to the impurities, and the recovery efficiency of the heat energy is reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high-efficient recovery unit of waste heat for coal-fired power generation to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high-efficient recovery unit of waste heat for coal-fired power generation, includes the shell, is fixed in the mounting panel of shell outer end surface and installs the base in the shell bottom, the inside top of shell is fixed with the base, the last surface mounting of base has the water tank, the inside of water tank is provided with the gag lever post, the upper surface intercommunication of water tank has the inlet tube, the inlet tube extends the outside that runs through to the shell, the outside of inlet tube is provided with the intake pipe with the water tank intercommunication, the inner surface mounting of mounting panel has driving motor, driving motor's output is connected with the axostylus axostyle, the axostylus axostyle is located the inside of shell, the outer end of axostylus axostyle is connected with clean mechanism, the left end surface of shell is provided with the inlet port, the top of inlet port is provided with the export, the outer end and the mounting panel fixed connection of base, the inside of base is provided with the through-hole structure.

Preferably, the inside of water tank is provided with the kickboard, the upper surface of kickboard is fixed with the lug, the position of lug corresponds with the inlet tube position.

Preferably, the outer side of the bump is provided with a pressure-sensitive sensor, the pressure-sensitive sensor is embedded in the floating plate, a protection plate is arranged above the pressure-sensitive sensor, the protection plate is welded with the floating plate, and the middle position of the upper surface of the protection plate is in an open structure.

Preferably, the inner cavity has been seted up to the inside bottom of shell, inner cavity and base surface through-hole structure intercommunication, the bottom of inner cavity is provided with the connecting block that the surface slope set up.

Preferably, the cleaning mechanism comprises a connecting plate and a cleaning brush, the connecting plate is located inside the inner cavity, and the cleaning brush is fixed on the inner end surface of the connecting plate.

Preferably, the inner surface of the cleaning brush is attached with a baffle, the baffle is welded with the inner wall of the shell, a filter screen is arranged in the baffle, and the position of the filter screen corresponds to the position of the cleaning brush.

Preferably, a bottom plate is arranged below the base, a blocking block is fixed on the upper surface of the bottom plate and located inside the through hole structure on the surface of the base.

Compared with the prior art, the beneficial effects of the utility model are that:

1. this high-efficient recovery unit of waste heat for coal-fired power generation through setting up a plurality of baffles, utilizes the filter screen on the baffle can filter the flue gas that gets into to detach its inside granule impurity that contains, avoid appearing the condition of pipe blockage when carrying out the heat exchange.

2. This high-efficient recovery unit of waste heat for coal-fired power generation, through setting up clean mechanism, clean mechanism installs on the baffle, just so can utilize clean mechanism to clean the surface of filter screen to detach its adnexed particle impurity in surface, avoid the filter screen to receive stifled influence filter effect.

3. This high-efficient recovery unit of waste heat for coal-fired power generation through setting up the inside base that is provided with through-hole structure, on the one hand the base carries out whole support to the shell, simultaneously through its inside through-hole structure for the particle impurity that gets off by cleaning mechanism can fall to the outside of shell.

4. This high-efficient recovery unit of waste heat for coal-fired power generation through setting up the kickboard, the kickboard can rise automatically through the buoyancy of water to plug up the inlet tube through the lug after the inside water of water tank is full, with the entering of automatic shutoff water.

Drawings

FIG. 1 is a schematic front sectional view of the present invention;

FIG. 2 is a schematic side view of the present invention;

FIG. 3 is a side view of the baffle of the present invention;

fig. 4 is a schematic top view of the floating plate of the present invention;

fig. 5 is an enlarged schematic structural diagram of a in fig. 1 according to the present invention.

In the figure: 1. a housing; 2. a base; 3. a water tank; 4. a floating plate; 5. a bump; 6. a pressure sensitive sensor; 7. a protection plate; 8. a limiting rod; 9. a water inlet pipe; 10. an air inlet pipe; 11. mounting a plate; 12. a drive motor; 13. a shaft lever; 14. a connecting plate; 15. a cleaning brush; 16. a baffle plate; 17. a filter screen; 18. an inlet port; 19. an outlet; 20. an inner cavity; 21. connecting blocks; 22. a base; 23. blocking; 24. a base plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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 efforts all belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to 5, the high-efficiency waste heat recovery device for coal-fired power generation of the embodiment includes a housing 1, a mounting plate 11 fixed on the outer end surface of the housing 1 and a base 22 installed at the bottom of the housing 1, a base 2 is fixed on the top end of the housing 1, a water tank 3 is installed on the upper surface of the base 2, water in the water tank 3 stores water, heat energy in the gas can be absorbed through water, thereby heat exchange is completed, a limit rod 8 is provided inside the water tank 3, the limit rod 8 can limit the movement of a floating plate 4, thereby ensuring stable lifting, the upper surface of the water tank 3 is communicated with a water inlet pipe 9, the water inlet pipe 9 extends through the housing 1, thereby facilitating water injection into the water tank 3, an air inlet pipe 10 communicated with the water tank 3 is provided outside the water inlet pipe 9, the filtered flue gas can be conveyed to the inside of the water tank 3 through the air inlet pipe 10, a driving motor 12 is installed on the surface of the inner end of the mounting plate 11, the output end of the driving motor 12 is connected with a shaft 13, the driving motor 12 can control the rotation of the shaft 13, the outer end of the shaft 13 is located inside the housing 1, the outer end is connected with a cleaning mechanism, the cleaning mechanism is connected with a cleaning mechanism, the inlet of the cleaning shaft 17, the cleaning mechanism, the inlet of the mounting plate 18 is provided with a filter screen 18, the outlet of the cleaning mechanism, the mounting plate 18, the cleaning mechanism, the mounting plate is provided with a filter screen 18, the outlet of the cleaning mechanism, and a filter screen is provided with a filter screen 18, and a filter screen for cleaning mechanism, and a filter screen for cleaning particle outlet structure for cleaning mechanism.

Specifically, the inside of water tank 3 is provided with kickboard 4, and the last fixed surface of kickboard 4 has lug 5, and the position of lug 5 corresponds with inlet tube 9 position, and when 3 inside water levels of water tank were constantly risen like this, receive the water buoyancy effect, 4 kickboards of kickboard play to rise, until inside lug 5 inserted inlet tube 9 to close the entering of water.

Further, the outside of lug 5 is provided with pressure sensitive sensor 6, pressure sensitive sensor 6 imbeds in the inside of kickboard 4, pressure sensitive sensor 6's top is provided with protection shield 7, protection shield 7 and kickboard 4 welding, the upper surface intermediate position of protection shield 7 is the open structure setting, protect waterproof pressure sensitive sensor 6 who appears through protection shield 7, the open structure on its surface makes the arch of shell 1 top inner wall can contact with pressure sensitive sensor 6 simultaneously, through the solenoid valve switch on pressure signal's transmission control export 19.

Further, inner chamber 20 has been seted up to the inside bottom of shell 1, inner chamber 20 and base 22 surface through-hole structure intercommunication, the bottom of inner chamber 20 is provided with the connecting block 21 that the surface slope set up, inner chamber 20 is inside purifies the flue gas through setting up the structure, the particle impurity that is filtered out from the flue gas is on will falling into connecting block 21 after being cleared up on the surface, because its surface slope, so impurity finally can be discharged the outside through base 22 on the surface through-hole structure.

Further, the cleaning mechanism comprises a connecting plate 14 and a cleaning brush 15, the connecting plate 14 is located inside the inner cavity 20, and the cleaning brush 15 is fixed on the inner end surface of the connecting plate 14, so that the cleaning brush 15 can be driven to rotate when the connecting plate 14 rotates.

Furthermore, a baffle 16 is attached to the surface of the inner end of the cleaning brush 15, the baffle 16 is welded with the inner wall of the shell 1, a filter screen 17 is installed inside the baffle 16, and the position of the filter screen 17 corresponds to the position of the cleaning brush 15, so that the surface of the filter screen 17 can be cleaned when the cleaning brush 15 rotates.

Furthermore, a bottom plate 24 is arranged below the base 22, a blocking block 23 is fixed on the upper surface of the bottom plate 24, the blocking block 23 is located inside a through hole structure on the surface of the base 22, and the through hole structure can be blocked by the blocking block 23, so that when the smoke is purified, the smoke and heat are prevented from flowing out through the through hole structure.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a high-efficient recovery unit of waste heat for coal-fired power generation, includes shell (1), is fixed in mounting panel (11) of shell (1) outer end surface and installs base (22) in shell (1) bottom, its characterized in that: the utility model discloses a cleaning device, including shell (1), the inside top of shell (1) is fixed with base (2), the last surface mounting of base (2) has water tank (3), the inside of water tank (3) is provided with gag lever post (8), the upper surface intercommunication of water tank (3) has inlet tube (9), inlet tube (9) extend to run through to the outside of shell (1), the outside of inlet tube (9) is provided with intake pipe (10) with water tank (3) intercommunication, the inner surface mounting of mounting panel (11) has driving motor (12), the output of driving motor (12) is connected with axostylus axostyle (13), axostylus axostyle (13) are located the inside of shell (1), the outer end of axostylus axostyle (13) is connected with clean mechanism, the left end surface of shell (1) is provided with inlet port (18), the top of inlet port (18) is provided with export (19), the outer end and mounting panel (11) fixed connection of base (22), the inside of base (22) is provided with the through-hole structure.

2. The high-efficiency waste heat recovery device for coal-fired power generation as recited in claim 1, wherein: the water tank is characterized in that a floating plate (4) is arranged inside the water tank (3), a convex block (5) is fixed on the upper surface of the floating plate (4), and the position of the convex block (5) corresponds to the position of the water inlet pipe (9).

3. The high-efficiency waste heat recovery device for coal-fired power generation as recited in claim 2, characterized in that: the outside of lug (5) is provided with pressure sensitive sensor (6), pressure sensitive sensor (6) embedding is in the inside of kickboard (4), the top of pressure sensitive sensor (6) is provided with protection shield (7), protection shield (7) and kickboard (4) welding, the upper surface intermediate position of protection shield (7) is the open structure setting.

4. The high-efficiency waste heat recovery device for coal-fired power generation according to claim 1, characterized in that: inner chamber (20) have been seted up to the inside bottom of shell (1), inner chamber (20) and base (22) surface through-hole structure intercommunication, the bottom of inner chamber (20) is provided with connecting block (21) that the surface slope set up.

5. The high-efficiency waste heat recovery device for coal-fired power generation according to claim 1, characterized in that: the cleaning mechanism comprises a connecting plate (14) and a cleaning brush (15), the connecting plate (14) is located inside the inner cavity (20), and the cleaning brush (15) is fixed on the inner end surface of the connecting plate (14).

6. The high-efficiency waste heat recovery device for coal-fired power generation according to claim 5, characterized in that: baffle (16) have been laminated to the inner surface of cleaning brush (15), baffle (16) and shell (1) inner wall welding, the internally mounted of baffle (16) has filter screen (17), filter screen (17) position corresponds with cleaning brush (15) position.

7. The high-efficiency waste heat recovery device for coal-fired power generation according to claim 1, characterized in that: the lower part of base (22) is provided with bottom plate (24), the upper surface mounting of bottom plate (24) has sprue (23), sprue (23) are located the inside of base (22) surface through-hole structure.