CN212930056U - Tail gas waste heat recovery of thermal power factory utilizes device - Google Patents

Abstract

The utility model discloses a tail gas waste heat recovery of thermal power factory utilizes device, including first diaphragm, air preheater and intake pipe, the air preheater is installed in the upper surface left side of first diaphragm, heating device is installed in the upper surface left side of first diaphragm. This tail gas waste heat recovery of thermal power factory utilizes device, through the box, the fan, the active carbon filter layer, mutually support between desulfurization layer and the outlet duct isotructure, can carry out filtration treatment to tail gas, through the second diaphragm, mutually support between L shaped plate T shape pole and the spring isotructure, can make things convenient for more quick the change of clearing up the filter equipment of inside, time and labour have been practiced thrift, through the arc pipe, the water tank, the outlet pipe, the water valve, the inlet tube, mutually support between manometer and the temperature sensor isotructure, waste heat in can the tail gas heats the water in the water tank, thereby can directly discharge water in the boiler, the cyclic utilization of the energy has been realized.

Description

Tail gas waste heat recovery of thermal power factory utilizes device

Technical Field

The utility model relates to a tail gas treatment technical field specifically is a tail gas waste heat recovery utilizes device of thermal power factory.

Background

Thermal power generation is a power generation mode which utilizes heat energy generated by combustible materials during combustion and converts the heat energy into electric energy through a power generation power device, the thermal power generation is a main power generation mode in China, the coal resources in China are abundant, 10.9 hundred million tons of coal are produced in 1990, wherein the coal for power generation only accounts for 12%, the thermal power generation still has great potential, but a lot of heat is discharged along with tail gas in the thermal power generation, resources are seriously wasted, although the purpose of tail gas utilization can be realized in the prior art, most of the tail gas is not filtered, so that environmental pollution can be caused, meanwhile, the internal cleaning of the device in the prior art is quite inconvenient, and the device in the prior art cannot recycle the waste heat of the tail gas to a power generation device.

Disclosure of Invention

An object of the utility model is to provide a tail gas waste heat recovery utilizes device of thermal power factory to solve the purpose that can realize tail gas utilization among the prior art that proposes in the above-mentioned background art, but most of them do not carry out filtration treatment with tail gas, just so can cause environmental pollution's problem.

In order to achieve the above object, the utility model provides a following technical scheme: the tail gas waste heat recycling device for the thermal power plant comprises a first transverse plate, an air preheater and an air inlet pipe, wherein the air preheater is installed on the left side of the upper surface of the first transverse plate, the air inlet of the air preheater is fixedly connected with the air inlet pipe, and a heating device is installed on the left side of the upper surface of the first transverse plate;

the heating device comprises a water tank, an arc-shaped pipe, a drain pipe, a water valve, a temperature sensor, a pressure gauge, a steam pipe and a water inlet pipe;

the water tank is located the upper surface of first diaphragm, the outer wall rigid coupling of water tank has the arc pipe, the left side of arc pipe is fixed continuous with the gas outlet of air preheater, the right side below rigid coupling of water tank has the drain pipe, the water tank is linked together with the drain pipe, the water valve is installed to the preceding terminal surface of drain pipe, temperature sensor is installed in the preceding terminal surface top left side of water tank, the manometer is installed on the preceding terminal surface top right side of water tank, the steam pipe is installed on the upper surface right side of water tank, the upper surface left side rigid coupling of water tank has the inlet tube, the water tank is linked together with the inlet tube.

Preferably, the distance between the pipes of the arced pipes is the same.

Preferably, a filtering device is arranged on the right side of the upper surface of the first transverse plate;

the filtering device comprises a box body, a fan, a concave plate, an activated carbon filtering layer, an air outlet pipe and a desulfurization layer;

the lower surface of box links to each other with the last fixed surface of first diaphragm, opening and recess have been seted up to the top of box, the left side top rigid coupling of box has the fan, the aspiration channel of fan links to each other with the right side opening part of arc pipe is fixed, the blast pipe department of fan runs through the left side outer wall of box, the blast pipe outer wall of fan and the left side opening part outer wall interference fit of box, the lower surface inner wall rigid coupling of box has a plurality of concave plates, controls doctor layer and active carbon filter layer are installed respectively to the inboard of concave plate, doctor layer and active carbon filter layer's outer wall and the inboard outer wall clearance fit of concave plate, the right side rigid coupling of box has a plurality of outlet ducts, and from top to bottom the outlet duct is linked together with the box.

Preferably, the width dimension of the desulfurization layer is smaller than the width dimension of the upper opening of the box body.

Preferably, an elastic device is arranged above the box body;

the elastic device comprises a second transverse plate, a first handle, an L-shaped plate, a T-shaped rod, a spring and a second handle;

the second diaphragm is located the opening part top of box, the lower surface of second diaphragm is laminated with the upper surface of box mutually, the upper surface rigid coupling of second diaphragm has the handle, the left and right sides of second diaphragm is equipped with the L shaped plate, controls the lower surface of L shaped plate links to each other with the last fixed surface of box, T shape pole is all installed to the inside T shape pole of left and right sides of second diaphragm, controls the outer wall of T shape pole is fixed with L shaped plate and T shape pole respectively with the through-hole department inner wall of second diaphragm and the recess of box inner wall clearance fit, controls the spring is installed to the top of T shape pole, controls the upper and lower both sides of spring are fixed continuous with L shaped plate and T shape pole respectively, controls the inboard top rigid coupling of T shape pole has the second handle.

Preferably, the second transverse plate and the box body form a closed structure.

Compared with the prior art, the beneficial effects of the utility model are that: this tail gas waste heat recovery of thermal power factory utilizes device through mutually supporting between structures such as box, fan, notch plate, active carbon filter layer, desulfurization layer and outlet duct, can carry out filtration treatment to tail gas to the environment has been protected.

Through mutually supporting between second diaphragm, the first in command, the second in command, L shaped plate T shape pole and the spring isotructure, can be more convenient quick clear up the change to inside filter equipment, time and labour have been practiced thrift.

Through mutually supporting between structures such as arc pipe, water tank, outlet pipe, water valve, inlet tube, manometer and temperature sensor, can heat the water in the water tank through the waste heat in the tail gas to can directly discharge the boiler with water in, realize the cyclic utilization of the energy, practice thrift the cost.

Drawings

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

FIG. 2 is a schematic structural view of the water tank, the temperature sensor and the pressure gauge in FIG. 1;

FIG. 3 is a schematic structural view of the activated carbon filter layer, the air outlet pipe and the concave plate in FIG. 1;

fig. 4 is a schematic view of the structure of the second handle, the spring and the L-shaped plate in fig. 1.

In the figure: 1. the device comprises a first transverse plate, 2, an air preheater, 3, a heating device, 301, a water tank, 302, an arc-shaped pipe, 303, a water discharge pipe, 304, a water valve, 305, a temperature sensor, 306, a pressure gauge, 307, a steam pipe, 308, a water inlet pipe, 4, a filtering device, 401, a box body, 402, a fan, 403, a concave plate, 404, an activated carbon filtering layer, 405, an air outlet pipe, 406, a desulfurization layer, 5, an elastic device, 501, a second transverse plate, 502, a first handle, 503, an L-shaped plate, 504, a T-shaped plate, 505, a spring, 506, a second handle, 6 and an air inlet 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. 1-4, the present invention provides a technical solution: a tail gas waste heat recycling device of a thermal power plant comprises a first transverse plate 1, an air preheater 2 and an air inlet pipe 6, wherein the air preheater 2 is installed on the left side of the upper surface of the first transverse plate 1, heat loss can be reduced through the air preheater 2, the air inlet of the air preheater 2 is fixedly connected with the air inlet pipe 6, tail gas can enter through the air inlet pipe 6, a heating device 3 is installed on the left side of the upper surface of the first transverse plate 1, the heating device 3 comprises a water tank 301, an arc-shaped pipe 302, a water outlet pipe 303, a water valve 304, a temperature sensor 305, a pressure gauge 306, a steam pipe 307 and a water inlet pipe 308, the water tank 301 is positioned on the upper surface of the first transverse plate 1, the outer wall of the water tank 301 is fixedly connected with the arc-shaped pipe 302, the left side of the arc-shaped pipe 302 is fixedly connected with an air outlet of the air preheater 2, waste heat in the tail, the water tank 301 is communicated with a water discharge pipe 303, the front end surface of the water discharge pipe 303 is provided with a water valve 304, the water in the water tank 301 can be controlled by the valve 304, the temperature sensor 305 is arranged on the left side above the front end surface of the water tank 301, the temperature sensor 305 is externally connected with a power supply for supplying power, the model of the temperature sensor 305 is WZPK-240, the temperature sensor 305 can monitor the water temperature in the water tank 301, the right side above the front end surface of the water tank 301 is provided with a pressure gauge 306, the model of the pressure gauge 306 is YTP-100MY, the pressure in the water tank 301 can be monitored by a pressure gauge 306, a steam pipe 307 is installed on the right side of the upper surface of the water tank 301, the steam in the water tank 301 can be discharged through the steam pipe 307, the water inlet pipe 308 is fixedly connected to the left side of the upper surface of the water tank 301, water can be filled into the water tank 301 through the water inlet pipe 308, the water tank 301 is communicated with the water inlet pipe 308, and the distance between the pipelines of the arc-shaped pipes 302 is the same.

The right side of the upper surface of the first transverse plate 1 is provided with a filtering device 4, the filtering device 4 comprises a box body 401, a fan 402, a concave plate 403, an activated carbon filter layer 404, an air outlet pipe 405 and a desulfurization layer 406, the lower surface of the box body 401 is fixedly connected with the upper surface of the first transverse plate 1, an opening and a groove are formed above the box body 401, the fan 402 is fixedly connected above the left side of the box body 401, the model of the fan 402 is PF150-2, an air suction pipe of the fan 402 is fixedly connected with the right side opening of the arc-shaped pipe 302, an air supply pipe of the fan 402 penetrates through the left side outer wall of the box body 401, the outer wall of the air supply pipe of the fan 402 is in interference fit with the outer wall of the left side opening of the box body 401, the inner wall of the lower surface of the box body 401 is fixedly connected with 2 concave plates 403, the inner sides of the left and right concave plates are respectively provided, can adsorb the macromolecule casing in the tail gas through activated carbon filter layer 404, the outer wall of desulfurization layer 406 and activated carbon filter layer 404 and the inboard outer wall clearance fit of notch plate 403, desulfurization layer 406 and activated carbon filter layer 404 can remove in notch plate 403 department, box 401's right side rigid coupling has 2 outlet ducts 405, upper and lower outlet duct 405 is linked together with box 401, the width dimension of desulfurization layer 406 is less than box 401's top opening part width dimension, can conveniently clear up it like this.

An elastic device 5 is arranged above the box body 401, the elastic device 5 comprises a second transverse plate 501, a first handle 502, an L-shaped plate 503, a T-shaped rod 504, a spring 505 and a second handle 506, the second transverse plate 501 is positioned above the opening of the box body 401, the lower surface of the second transverse plate 501 is attached to the upper surface of the box body 401, the first handle 502 is fixedly connected to the upper surface of the second transverse plate 501, the L-shaped plates 503 are arranged on the left side and the right side of the second transverse plate 501, the lower surfaces of the left L-shaped plate 503 and the right L-shaped plate 503 are fixedly connected to the upper surface of the box body 401, the T-shaped rod 504 is arranged inside the left side and the right side of the second transverse plate 501, the outer walls of the left T-shaped rod 504 are respectively in clearance fit with the inner wall of the through hole of the second transverse plate 501 and the inner wall of the groove of the box body 401, the T-shaped rod 504 can move at the positions of the second transverse plate 501 and, the upper and lower sides of the left and right springs 505 are respectively fixedly connected with the L-shaped plate 503 and the T-shaped rod 504, when the T-shaped rod 504 moves upwards, the springs 505 are in a compressed state, the second handle 506 is fixedly connected to the upper part of the inner side of the left and right T-shaped rods 504, and the second transverse plate 501 and the box body 401 form a closed structure.

When an operator needs to use the tail gas waste heat recycling device of the thermal power plant, firstly, the operator switches on an external power supply of the fan 402, starts the fan 402, discharges tail gas into the air preheater 2 through the air inlet pipe 6, reduces heat in the tail gas through the air preheater 2, enables the tail gas to heat the water tank 301 through the arc-shaped pipe 302, observes water in the water tank 301 through the temperature sensor 305 and the pressure gauge 306, controls the water discharge pipe 303 through the water valve 304 when the water in the water tank 301 reaches a boiler use temperature value, and discharges the water into the boiler, so that the purpose of recycling the tail gas waste heat is achieved, meanwhile, the fan 402 sucks the tail gas into the box body 401, enables the tail gas to be filtered through the desulphurization layer 406 and the active carbon filter layer 404 and then discharged through the air outlet pipe 405, so that the purpose of protecting the environment is achieved, and when the box body 401 needs to be cleaned, the second handle 506 is pulled, the T-shaped rod 504 is driven to move through the second handle 506, the T-shaped rod 504 extrudes the spring 505, when the T-shaped rod 504 moves out of the second transverse plate 501, the second transverse plate 501 is driven to move through the first handle 502, the second transverse plate 501 exposes out of the opening of the box body 401, and therefore the purpose of being convenient to clean is achieved.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", 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 simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a tail gas waste heat recovery utilizes device of thermal power factory, includes first diaphragm (1), air preheater (2) and intake pipe (6), air preheater (2) are installed on the left of the upper surface of first diaphragm (1), the air inlet department rigid coupling of air preheater (2) has intake pipe (6), its characterized in that: a heating device (3) is arranged on the left side of the upper surface of the first transverse plate (1);

the heating device (3) comprises a water tank (301), an arc-shaped pipe (302), a drain pipe (303), a water valve (304), a temperature sensor (305), a pressure gauge (306), a steam pipe (307) and a water inlet pipe (308);

water tank (301) are located the upper surface of first diaphragm (1), the outer wall rigid coupling of water tank (301) has arc pipe (302), the left side of arc pipe (302) is fixed continuous with the gas outlet of air preheater (2), the right side below rigid coupling of water tank (301) has drain pipe (303), water tank (301) are linked together with drain pipe (303), water valve (304) are installed to the preceding terminal surface of drain pipe (303), temperature sensor (305) are installed in the preceding terminal surface top left side of water tank (301), manometer (306) are installed on the preceding terminal surface top right side of water tank (301), steam pipe (307) are installed on the upper surface right side of water tank (301), the upper surface left side rigid coupling of water tank (301) has inlet tube (308), water tank (301) are linked together with inlet tube (308).

2. The tail gas waste heat recycling device of the thermal power plant according to claim 1, characterized in that: the distances between the pipelines of the arc pipes (302) are the same.

3. The tail gas waste heat recycling device of the thermal power plant according to claim 1, characterized in that: a filtering device (4) is arranged on the right side of the upper surface of the first transverse plate (1);

the filtering device (4) comprises a box body (401), a fan (402), a concave plate (403), an activated carbon filtering layer (404), an air outlet pipe (405) and a desulfurization layer (406);

the lower surface of box (401) links to each other with the last fixed surface of first diaphragm (1), opening and recess have been seted up to the top of box (401), the left side top rigid coupling of box (401) has fan (402), the aspiration channel of fan (402) links to each other with the right side opening part of arc pipe (302) is fixed, the blast pipe department of fan (402) runs through the left side outer wall of box (401), the blast pipe outer wall of fan (402) and the left side opening part outer wall interference fit of box (401), the lower surface inner wall rigid coupling of box (401) has a plurality of concave plate (403), controls the inboard of concave plate (403) is installed desulfurization layer (406) and active carbon filter layer (404) respectively, the outer wall of desulfurization layer (406) and active carbon filter layer (404) and the inboard outer wall clearance fit of concave plate (403), the right side rigid coupling of box (401) has a plurality of outlet ducts (405), the upper and lower air outlet pipes (405) are communicated with the box body (401).

4. The tail gas waste heat recycling device of the thermal power plant according to claim 3, characterized in that: the width dimension of the desulfurization layer (406) is smaller than the width dimension of the upper opening of the box body (401).

5. The tail gas waste heat recycling device of the thermal power plant according to claim 3, characterized in that: an elastic device (5) is arranged above the box body (401);

the elastic device (5) comprises a second transverse plate (501), a first handle (502), an L-shaped plate (503), a T-shaped rod (504), a spring (505) and a second handle (506);

the second transverse plate (501) is positioned above the opening of the box body (401), the lower surface of the second transverse plate (501) is attached to the upper surface of the box body (401), a first handle (502) is fixedly connected to the upper surface of the second transverse plate (501), L-shaped plates (503) are arranged on the left side and the right side of the second transverse plate (501), the lower surfaces of the left L-shaped plate and the right L-shaped plate (503) are fixedly connected with the upper surface of the box body (401), t shape pole (504) are all installed to the inside left and right sides of second diaphragm (501), control the outer wall of T shape pole (504) respectively with the through-hole department inner wall of second diaphragm (501) and the groove department inner wall clearance fit of box (401), control spring (505) are installed to the top of T shape pole (504), control the upper and lower both sides of spring (505) are fixed continuous with L shaped plate (503) and T shape pole (504) respectively, control the inboard top rigid coupling of T shape pole (504) has second handle (506).

6. The tail gas waste heat recycling device of the thermal power plant according to claim 5, characterized in that: the second transverse plate (501) and the box body (401) form a closed structure.

Images