CN217057588U

CN217057588U - Thermal power generation waste heat recovery device with low energy dissipation

Info

Publication number: CN217057588U
Application number: CN202123143440.7U
Authority: CN
Inventors: 常平亮
Original assignee: Hebei Jointo Xuanhua Thermal Power Co ltd
Current assignee: Hebei Jointo Xuanhua Thermal Power Co ltd
Priority date: 2021-12-14
Filing date: 2021-12-14
Publication date: 2022-07-26
Anticipated expiration: 2031-12-14

Abstract

The utility model discloses a thermal power waste heat recovery device that energy dissipation is little relates to thermal power technical field. This little thermal power waste heat recovery device of energy dissipation, including heat transfer chamber, buffer gear and waste heat recovery mechanism, the top fixedly connected with blast pipe in heat transfer chamber just communicates with each other rather than inside, buffer gear is including setting up in pipeline, articulated slab, spring and the filter screen of heat transfer chamber bottom, waste heat recovery mechanism is including setting up in water pump, U-shaped pipe and the drain pipe of heat transfer chamber one side. This thermal power waste heat recovery device that energy dissipation is little uses through water pump, U-shaped pipe, drain pipe, annular return bend, dwang, flabellum and gear motor's cooperation, can drive that the flue gas can be more even spread in the heat transfer intracavity, has increased the area of contact of flue gas with annular return bend, has improved cold water to the absorption rate of waste heat, has improved waste heat recovery's efficiency, the effectual thermal waste in the flue gas that has reduced.

Description

Thermal power generation waste heat recovery device with low energy dissipation

Technical Field

The utility model relates to a thermal power technical field, in particular to thermal power waste heat recovery device that energy dissipation is little.

Background

The thermal power waste heat recovery device that current part's energy dissipation is little can't slow down the speed that the flue gas rises, because the speed that the flue gas rises is very fast, the dwell time of flue gas in the heat transfer chamber is shorter, lead to cold water can't be to the more abundant absorption of heat in the flue gas, thereby increased the energy dissipation in the flue gas, and can't help the flue gas more even spread, lead to the heat exchange area of flue gas and cold water less, thereby reduced the absorption rate of cold water to the waste heat, reduced waste heat recovery's efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve one of the technical problem that exists among the prior art at least, provide a thermal power waste heat recovery device that energy dissipation is little, can solve the flue gas that the speed that the flue gas rises fast and the less problem of heat exchange area of cold water.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a thermal power waste heat recovery device that energy dissipation is little, includes heat transfer chamber, buffer gear and waste heat recovery mechanism, the top fixedly connected with blast pipe of heat transfer chamber just communicates with each other rather than inside.

The buffer mechanism comprises a pipeline arranged at the bottom of the heat exchange cavity, a hinged plate, a spring and a filter screen;

the waste heat recovery mechanism comprises a water pump, a U-shaped pipe and a drain pipe which are arranged on one side of the heat exchange cavity.

Preferably, the top of pipeline and the bottom fixed mounting of heat transfer chamber and rather than inside communicating with each other, one side outer wall of articulated slab and the articulated installation of the inner wall of pipeline, the one end of spring and the bottom fixed connection of articulated slab, the other end of spring and the inner wall fixed connection of pipeline can prolong the route of flue gas in the pipeline, slow down the speed that the flue gas rises to the dwell time of extension flue gas in the heat transfer chamber makes cold water in the ring bend can be to the more abundant absorption of heat in the flue gas, the effectual energy consumption that reduces in the flue gas.

Preferably, the outer wall of filter screen and the inner wall fixed mounting of pipeline can filter the granule of flue gas, reduce the pollution of flue gas to the air.

Preferably, the waste heat recovery mechanism comprises an annular bent pipe, a rotating rod, a fan blade and a speed reduction motor, wherein one outer wall of one side of the water pump is fixedly installed with one outer wall of the pipeline, the input end of the water pump is fixedly connected with the other end of the U-shaped pipe, one end of the U-shaped pipe is fixedly connected with one outer wall of one side of the heat exchange cavity, one end of the U-shaped pipe penetrates through the heat exchange cavity and extends into the annular bent pipe, the output end of the U-shaped pipe is fixedly connected with one end of a drain pipe, the outer wall of the annular bent pipe is fixedly installed with the inner wall of the heat exchange cavity through a fixing block, one end of the rotating rod is rotatably installed with the inner wall of the front side of the heat exchange cavity, the fan blade is fixedly sleeved on the outer wall of the rotating rod, the rear side of the speed reduction motor is fixedly installed with the front side of the heat exchange cavity, the output shaft of the speed reduction motor extends to the inner wall of the front side of the heat exchange cavity through a coupler and is fixedly connected with one end of the rotating rod, and can drive the flue gas to be more uniformly diffused in the heat exchange cavity, the contact area of the flue gas and the annular bent pipe is increased, the absorption speed of cold water on waste heat is increased, and the waste heat recovery efficiency is improved.

Preferably, the fan blades and the annular bent pipe are located on the same horizontal plane, so that waste of heat in the flue gas is effectively reduced, energy consumed by heat exchange is reduced, and the device is more energy-saving and environment-friendly.

Preferably, the heat transfer chamber is run through to the opposite side outer wall fixedly connected with inlet tube and the one end of inlet tube in heat transfer chamber and extend to the inside of annular return bend, and the inside that the annular return bend was entered into through the inlet tube to the cold water of being convenient for.

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

(1) this little thermal power waste heat recovery device of energy dissipation, through the pipeline, the cooperation of articulated slab and spring is used, can prolong the route of flue gas in the pipeline, slow down the speed that the flue gas rises, thereby prolong the dwell time of flue gas in the heat transfer chamber, make cold water in the ring bend can be to the more abundant absorption of heat in the flue gas, the effectual energy consumption that has reduced in the flue gas, waste heat recovery utilizes's effect has been improved, can also reduce the impact force of flue gas to the pipeline simultaneously, reduce the injury of flue gas to the pipeline, the life of extension pipeline.

(2) This little thermal power waste heat recovery device of energy dissipation, through the water pump, the U-shaped pipe, the drain pipe, the annular return bend, the dwang, flabellum and gear motor's cooperation is used, can drive that the flue gas can be more even spread in the heat transfer intracavity, increased the area of contact of flue gas with the annular return bend, improved the absorption rate of cold water to the waste heat, improved waste heat recovery's efficiency, effectual thermal waste in the flue gas has been reduced, reduce the energy that the heat exchange consumed, it is more energy-concerving and environment-protective.

Drawings

The invention is further described below with reference to the following figures and examples:

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

FIG. 2 is an enlarged view of part A of the present invention;

fig. 3 is a front view of the present invention.

Reference numerals are as follows: the device comprises a heat exchange cavity 1, a buffer mechanism 2, a pipeline 201, a hinged plate 202, a spring 203, a filter screen 204, a waste heat recovery mechanism 3, a water pump 301, a U-shaped pipe 302, a drain pipe 303, an annular bent pipe 304, a rotating rod 305, fan blades 306, a speed reduction motor 307 and an exhaust pipe 4.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the present invention, it should be understood that the directional descriptions, such as the directions or positional relationships indicated by upper, lower, front, rear, left, right, etc., are based on the directions or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but not for indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present invention.

In the description of the present invention, the terms greater than, less than, exceeding, etc. are understood to exclude the number, and the terms above, below, inside, etc. are understood to include the number. If there is a description of first and second for the purpose of distinguishing technical features only, this is not to be understood as indicating or implying a relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the terms such as setting, installing, connecting, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meaning of the terms in the present invention by combining the specific contents of the technical solution.

The first embodiment is as follows:

referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a little thermal power waste heat recovery device of energy dissipation, includes heat transfer chamber 1, buffer gear 2 and waste heat recovery mechanism 3, and the top fixedly connected with blast pipe 4 of heat transfer chamber 1 just communicates with each other rather than inside, and buffer gear 2 is including setting up in pipeline 201, articulated slab 202, spring 203 and the filter screen 204 of 1 bottom of heat transfer chamber, and waste heat recovery mechanism 3 is including setting up in water pump 301, U-shaped pipe 302 and the drain pipe 303 of 1 one side of heat transfer chamber.

The second embodiment:

referring to fig. 1-3, on the basis of the first embodiment, the top of the pipe 201 is fixedly installed with the bottom of the heat exchange chamber 1 and is communicated with the inside of the heat exchange chamber, the outer wall of one side of the hinge plate 202 is hinged with the inner wall of the pipe 201, one end of the spring 203 is fixedly connected with the bottom of the hinge plate 202, and the other end of the spring 203 is fixedly connected with the inner wall of the pipe 201.

Further, the outer wall of the filter screen 204 is fixedly installed with the inner wall of the pipeline 201.

Furthermore, the waste heat recovery mechanism 3 includes an annular bent pipe 304, a rotating rod 305, a fan blade 306 and a speed reduction motor 307, wherein an outer wall of one side of the water pump 301 is fixedly installed with an outer wall of one side of the pipeline 201, an input end of the water pump 301 is fixedly connected with the other end of the U-shaped pipe 302, one end of the U-shaped pipe 302 is fixedly connected with an outer wall of one side of the heat exchange cavity 1, one end of the U-shaped pipe 302 penetrates through the heat exchange cavity 1 and extends into the annular bent pipe 304, an output end of the U-shaped pipe 302 is fixedly connected with one end of the drain pipe 303, an outer wall of the annular bent pipe 304 is fixedly installed with an inner wall of the heat exchange cavity 1 through a fixing block, one end of the rotating rod 305 is rotatably installed with an inner wall of the front side of the heat exchange cavity 1, the fan blade 306 is fixedly sleeved on an outer wall of the rotating rod 305, a rear side of the speed reduction motor 307 is fixedly installed with a front side of the heat exchange cavity 1, an output shaft of the speed reduction motor 307 extends to an inner wall of the front side of the heat exchange cavity 1 through a coupling and is fixedly connected with one end of the rotating rod 305, when the flue gas enters the inside of the heat exchange cavity 1 through the pipe 201, the staff controls the water pump 301 and the speed reducing motor 307 to be started, at this time, the cold water enters the inside of the annular bent pipe 304 through the water inlet pipe, the annular bent pipe 304 is rapidly filled with the flue gas, meanwhile, the speed reduction motor 307 drives the rotating rod 305 to rotate, the rotating rod 305 drives the fan blade 306 to rotate, the fan blade 306 drives the flue gas to rapidly diffuse in the heat exchange cavity 1, cold water in the annular bent pipe 304 exchanges heat with waste heat in the flue gas, the heated water enters the water pump 301 through the U-shaped pipe 302, then is output to the inside of a drain pipe 303 through a water pump 301, and finally enters the boiler through the drain pipe 303, so that the flue gas can be more uniformly diffused, thereby increasing the heat exchange area of the flue gas and the cold water, improving the absorption speed of the cold water to the waste heat and improving the efficiency of waste heat recovery.

Still further, the fan blades 306 are located at the same horizontal plane as the annular elbow 304.

Secondly, the outer wall of the other side of the heat exchange cavity 1 is fixedly connected with a water inlet pipe, and one end of the water inlet pipe penetrates through the heat exchange cavity 1 and extends to the inside of the annular bent pipe 304.

The working principle is as follows: when the flue gas enters into heat transfer chamber 1's inside through pipeline 201, staff control water pump 301 and gear motor 307 start, this moment cold water enters into the inside of annular return bend 304 through the inlet tube, and the quick annular return bend 304 that is full of, gear motor 307 drives dwang 305 and rotates here simultaneously, dwang 305 drives flabellum 306 and rotates, flabellum 306 drives the quick inside diffusion at heat transfer chamber 1 of flue gas, the inside cold water of annular return bend 304 then carries out the heat exchange to the waste heat in the flue gas, the inside that water rethread U-shaped pipe 302 entered into water pump 301 after the heating, then export the inside of drain pipe 303 through water pump 301, enter into the boiler through drain pipe 303 at last.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims

1. The utility model provides a thermal power waste heat recovery device that energy dissipation is little, includes heat transfer chamber (1), buffer gear (2) and waste heat recovery mechanism (3), its characterized in that: the top of the heat exchange cavity (1) is fixedly connected with an exhaust pipe (4) and communicated with the interior of the heat exchange cavity;

the buffer mechanism (2) comprises a pipeline (201) arranged at the bottom of the heat exchange cavity (1), a hinge plate (202), a spring (203) and a filter screen (204);

the waste heat recovery mechanism (3) comprises a water pump (301), a U-shaped pipe (302) and a drain pipe (303) which are arranged on one side of the heat exchange cavity (1).

2. The thermal power generation waste heat recovery device with low energy dissipation according to claim 1, wherein: the top of the pipeline (201) is fixedly installed with the bottom of the heat exchange cavity (1) and communicated with the interior of the heat exchange cavity, the outer wall of one side of the hinged plate (202) is hinged with the inner wall of the pipeline (201), one end of the spring (203) is fixedly connected with the bottom of the hinged plate (202), and the other end of the spring (203) is fixedly connected with the inner wall of the pipeline (201).

3. The thermal power generation waste heat recovery device with low energy dissipation according to claim 2, wherein: the outer wall of the filter screen (204) is fixedly installed with the inner wall of the pipeline (201).

4. The thermal power generation waste heat recovery device with low energy dissipation according to claim 3, wherein: the waste heat recovery mechanism (3) comprises an annular bent pipe (304), a rotating rod (305), fan blades (306) and a speed reducing motor (307), wherein the outer wall of one side of the water pump (301) is fixedly installed with the outer wall of one side of the pipeline (201), the input end of the water pump (301) is fixedly connected with the other end of the U-shaped pipe (302), one end of the U-shaped pipe (302) is fixedly connected with the outer wall of one side of the heat exchange cavity (1), one end of the U-shaped pipe (302) penetrates through the heat exchange cavity (1) and extends into the annular bent pipe (304), the output end of the U-shaped pipe (302) is fixedly connected with one end of the drain pipe (303), the outer wall of the annular bent pipe (304) is fixedly installed with the inner wall of the heat exchange cavity (1) through a fixing block, one end of the rotating rod (305) is rotatably installed with the inner wall of the front side of the heat exchange cavity (1), the fan blades (306) are fixedly sleeved on the outer wall of the rotating rod (305), the rear side of the speed reducing motor (307) is fixedly installed with the front side of the heat exchange cavity (1), an output shaft of the speed reducing motor (307) extends to the inner wall of the front side of the heat exchange cavity (1) through a coupler and is fixedly connected with one end of the rotating rod (305).

5. The thermal power generation waste heat recovery device with low energy dissipation according to claim 4, characterized in that: the fan blades (306) and the annular bent pipe (304) are positioned on the same horizontal plane.

6. The thermal power generation waste heat recovery device with low energy dissipation according to claim 5, wherein: the heat exchange cavity (1) is fixedly connected with a water inlet pipe on the outer wall of the other side of the heat exchange cavity (1), and one end of the water inlet pipe penetrates through the heat exchange cavity (1) and extends to the inside of the annular bent pipe (304).