CN216667719U

CN216667719U - Fume extractor for thermal power plant

Info

Publication number: CN216667719U
Application number: CN202122461788.4U
Authority: CN
Inventors: 杨军锋; 韩旭东; 刘建平; 魏国征; 焦亚崇; 张伟星
Original assignee: Yili Jieneng Technology Jinzhou Co ltd
Current assignee: Yili Jieneng Technology Jinzhou Co ltd
Priority date: 2021-10-13
Filing date: 2021-10-13
Publication date: 2022-06-03
Anticipated expiration: 2031-10-13

Abstract

The utility model discloses a smoke exhaust device for a thermal power plant, which belongs to the field of smoke exhaust devices and comprises a smoke inlet pipe and a smoke exhaust pipe, wherein the smoke inlet pipe is communicated with the smoke exhaust pipe, a water tank is arranged outside the smoke exhaust pipe, a heat conducting plate is fixed on the upper outer wall of the smoke exhaust pipe, a pipe cover is arranged at the bottom end of the smoke exhaust pipe, a handle is arranged below the pipe cover, a pull rope is connected to the handle, one end of the pull rope penetrates through the pipe cover and extends into the smoke exhaust pipe, a movable frame is arranged in the smoke exhaust pipe, the movable frame is of an annular structure, a first filter screen and a second filter screen are arranged in the movable frame, scrapers are arranged on the side wall of the movable frame in the circumferential direction, iron blocks are arranged on the second filter screen, fixed rings are symmetrically fixed on the top wall of the movable frame, and through holes are formed in the top ends of the two side walls of the smoke exhaust pipe; the smoke exhaust pipe is novel in design and ingenious in structure, can absorb heat in smoke, filters the smoke, reduces waste, protects the environment, can be cleaned conveniently, prolongs the service life of the smoke exhaust pipe, and is worthy of popularization.

Description

Fume extractor for thermal power plant

Technical Field

The utility model relates to the technical field of smoke exhaust devices, in particular to a smoke exhaust device for a thermal power plant.

Background

The thermal power plant is a thermal power plant which utilizes the extraction steam or the exhaust steam of a steam turbine to supply heat for users while generating electricity. The main working principle is that hot water generated after power generation of a thermal power plant is used for heating again;

in prior art, thermal power plant discharges fume and does not carry out the direct emission of purification treatment and can lead to environmental pollution, and the heat is higher in the flue gas, and direct emission has also caused the waste, and the impurity in the flue gas can the adhesion on the inner wall of discharging fume the pipe simultaneously, corrodes the pipe of discharging fume easily, influences its life.

SUMMERY OF THE UTILITY MODEL

The utility model provides a smoke exhaust device for a thermal power plant, which aims to solve the problems in the background technology.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a smoke exhaust device for a thermal power plant comprises a smoke inlet pipe and a smoke exhaust pipe, wherein the smoke inlet pipe is communicated with the smoke exhaust pipe, a water tank is arranged outside the smoke exhaust pipe, a heat conducting plate is fixed on the upper outer wall of the smoke exhaust pipe, a pipe cover is arranged at the bottom end of the smoke exhaust pipe, a handle is arranged below the pipe cover and is connected with a pull rope, and the one end of stay cord runs through the tube cap and stretches into in the pipe of discharging fume, be provided with the movable frame in the pipe of discharging fume, the movable frame is ring loop configuration, be provided with filter screen one and filter screen two in the movable frame, the lateral wall of movable frame is provided with the scraper along the circumferencial direction, be provided with the iron plate on the filter screen two, the symmetry is fixed with solid fixed ring on the roof of movable frame, the through-hole has all been seted up on the top of the pipe both sides wall of discharging fume, the through-hole internalization is provided with the fixed pin, fixed pin and fixed ring size phase-match, and be connected with the extension spring on the fixed pin, the one end of extension spring is connected with the lateral wall of the pipe of discharging fume.

As a preferred embodiment, the top of one side wall of the water tank is connected with a water feeding pipe, the bottom of one side wall of the water tank is connected with a water discharging pipe, and valves are installed on the water feeding pipe and the water discharging pipe.

In a preferred embodiment, the heat-conducting plate is fixed on the side wall of the smoke exhaust pipe in an annular shape, and the heat-conducting plate is made of copper material.

As a preferred embodiment, the pipe cover is fixedly connected with the bottom end of the smoke exhaust pipe through threads.

In a preferred embodiment, the first filter screen is located below the second filter screen, the first filter screen is a dust screen, and the second filter screen is an activated carbon adsorption layer.

In a preferred embodiment, the scraper is made of aluminum alloy and contacts with the inside of the smoke exhaust pipe.

The utility model has the beneficial effects that:

1. the smoke exhaust device for the thermal power plant is provided with the water tank, the heat conducting plate, the pipe cover, the movable frame, the filter screen I, the filter screen and the like, so that heat in smoke can be absorbed, water can be heated and utilized, impurities in the smoke can be filtered and adsorbed, and the pollution to the environment is reduced;

2. this fume extractor for thermal power plant is through setting up handle, stay cord, movable frame, scraper, iron plate, solid fixed ring, fixed pin and extension spring isotructure, can conveniently clear up the inside of discharging fume the pipe, avoids impurity corrosion to discharge fume the pipe, and the life of pipe is discharged fume in the extension, and filter screen one and filter screen two are convenient to be dismantled, are convenient for clear up and maintain.

Drawings

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

FIG. 2 is a schematic view of the internal structure of the smoke exhaust pipe of the present invention;

fig. 3 is an enlarged view of a portion a in fig. 2.

Reference numbers in the figures: 1. a smoke inlet pipe; 2. a smoke exhaust pipe; 3. a water tank; 4. a heat conducting plate; 5. a tube cover; 6. a handle; 7. pulling a rope; 8. a movable frame; 9. a first filter screen; 10. a second filter screen; 11. a scraper; 12. an iron block; 13. a fixing ring; 14. a fixing pin; 15. a tension spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-3, a smoke exhaust device for a thermal power plant comprises a smoke inlet pipe 1 and a smoke exhaust pipe 2, wherein the smoke inlet pipe 1 is communicated with the smoke exhaust pipe 2, a water tank 3 is arranged outside the smoke exhaust pipe 2, the top of one side wall of the water tank 3 is connected with a water adding pipe, the bottom of one side wall of the water tank 3 is connected with a water drain pipe, valves are arranged on the water adding pipe and the water drain pipe, a heat conducting plate 4 is fixed on the upper outer wall of the smoke exhaust pipe 2, the heat conducting plate 4 is fixed on the side wall of the smoke exhaust pipe 2 in an annular shape, and the heat conducting plate 4 is made of copper materials.

The bottom of discharging fume pipe 2 is provided with tube cap 5, tube cap 5 is fixed with the bottom threaded connection who discharges fume pipe 2, the below of tube cap 5 is provided with handle 6, be connected with stay cord 7 on the handle 6, and the one end of stay cord 7 runs through in tube cap 5 stretches into the pipe 2 of discharging fume, it is provided with movable frame 8 in the pipe 2 to discharge fume, movable frame 8 is the annular structure, be provided with filter screen 9 and filter screen two 10 in the movable frame 8, filter screen 9 is located the below of filter screen two 10, filter screen 9 is the dust screen, filter screen two 10 are the active carbon adsorption layer.

The lateral wall of activity frame 8 is provided with scraper 11 along the circumferencial direction, be provided with iron plate 12 on the filter screen two 10, the symmetry is fixed with solid fixed ring 13 on the roof of activity frame 8, the through-hole has all been seted up on the top of 2 both sides walls of pipe of discharging fume, the through-hole internalization is provided with fixed pin 14, fixed pin 14 and solid fixed ring 13 size phase-match, and be connected with extension spring 15 on the fixed pin 14, the one end of extension spring 15 is connected with the lateral wall of 2 pipes of discharging fume, scraper 11 is the aluminum alloy material, and scraper 11 contacts the inside of 2 pipes of discharging fume.

The working principle is as follows: the smoke enters the smoke exhaust pipe 2 through the smoke inlet pipe 1, normal temperature water solution is added into the water tank 3, when the smoke passes through the smoke exhaust pipe 2, the heat conducting plate 4 absorbs heat in the smoke, the heat heats water, waste of the heat is reduced, the first filter screen 9 and the second filter screen 10 are arranged, the first filter screen 9 can receive solid impurities in the smoke, the second filter screen 9 is an activated carbon adsorption layer, the second filter screen 9 adsorbs partial harmful substances in the smoke, pollution to the environment is reduced, when the smoke exhaust pipe 2 needs to be cleaned, the two fixing pins 14 are pulled to enable the fixing pins 14 to be separated from the fixing ring 13, under the action of gravity, the movable frame 8 moves downwards, the handle 6 is pulled simultaneously, the movable frame 8 is pulled downwards slowly, impurities adhered to the inner wall of the smoke exhaust pipe 2 can be removed under the action of the scraper 11, when the movable frame 8 is pulled to the bottom end of the smoke exhaust pipe 2, the pipe cover 5 is unscrewed, and the impurities can be recovered and treated, and conveniently clear up or change filter screen one 9 and filter screen two 10, convenient subsequent use, the back is accomplished in the clearance, puts into the tub 2 of discharging fume with movable frame 8 again, is provided with iron plate 12 on filter screen two 10, utilizes magnet can be with filter screen two 10 absorption draw to the top of discharging fume tub 2, then insert solid fixed ring 13 in through fixed pin 14, with movable frame 8 fixed can, simple and convenient is worth promoting.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the utility model concepts of the present invention in the scope of the present invention.

Claims

1. A smoke exhaust device for a thermal power plant comprises a smoke inlet pipe (1) and a smoke exhaust pipe (2), and is characterized in that the smoke inlet pipe (1) is communicated with the smoke exhaust pipe (2), a water tank (3) is arranged outside the smoke exhaust pipe (2), a heat conducting plate (4) is fixed on the outer wall of the smoke exhaust pipe (2), a pipe cover (5) is arranged at the bottom end of the smoke exhaust pipe (2), a handle (6) is arranged below the pipe cover (5), a pull rope (7) is connected onto the handle (6), one end of the pull rope (7) penetrates through the pipe cover (5) and extends into the smoke exhaust pipe (2), a movable frame (8) is arranged in the smoke exhaust pipe (2), the movable frame (8) is of a circular structure, a filter screen I (9) and a filter screen II (10) are arranged in the movable frame (8), the top end of the pull rope (7) is connected with the filter screen I (9), a scraper (11) is arranged on the side wall of the movable frame (8) along the circumferential direction, be provided with iron plate (12) on filter screen two (10), the symmetry is fixed with solid fixed ring (13) on the roof of activity frame (8), and the through-hole has all been seted up on the top of tub (2) both sides wall of discharging fume, and the through-hole internalization is provided with fixed pin (14), and fixed pin (14) and solid fixed ring (13) size phase-match, and is connected with extension spring (15) on fixed pin (14), and the one end of extension spring (15) is connected with the lateral wall of tub (2) of discharging fume.

2. A smoke exhaust system for thermal power plant according to claim 1, wherein the top of one side wall of the water tank (3) is connected with a water supply pipe, the bottom of one side wall of the water tank (3) is connected with a water discharge pipe, and valves are installed on the water supply pipe and the water discharge pipe.

3. A fume extractor for thermal power plants according to claim 1, characterized in that said heat-conducting plate (4) is fixed in the form of a ring on the side wall of the fume extraction duct (2) and the heat-conducting plate (4) is made of copper material.

4. A smoke evacuation apparatus for a thermal power plant according to claim 1, wherein said pipe cover (5) is screwed and fixed to the bottom end of the smoke evacuation pipe (2).

5. A smoke evacuation apparatus for a thermal power plant according to claim 1, wherein said first filter screen (9) is located below said second filter screen (10), said first filter screen (9) is a dust screen, and said second filter screen (10) is an activated carbon adsorption layer.

6. A smoke evacuation apparatus for a thermal power plant according to claim 1, wherein said scraper (11) is made of aluminum alloy, and said scraper (11) contacts the inside of said smoke evacuation pipe (2).