CN212511228U - Backheating collecting device of thermal power plant - Google Patents

Abstract

The utility model discloses a thermal power plant backheat collection device, comprising a boiler, the boiler top is equipped with the flue pipe, flue pipe one end fixedly connected with advances the tobacco pipe, it is connected with the shell to advance the tobacco pipe other end, it is fixed to run through to advance the tobacco pipe the shell, and extend to in the shell, be located the inside tobacco pipe one end fixedly connected with spiral pipe that advances of shell, the spiral pipe other end runs through the shell, and be connected with the chimney filter, the flue pipe advance the tobacco pipe with the shell outside all wraps up the heat preservation. Has the advantages that: the pole is scraped in the cooperation and is contacted with the chimney filter inner wall to scrub the inside of straining the chimney, the sewage of scrubbing is discharged from the sewage pipe, has guaranteed the inside cleaning nature of chimney filter greatly, has also guaranteed the cleaning nature of straining the chimney inner wall, and sewage filters from superfine filter plate, finally discharges through the final exit tube on the sewage rose box, has avoided thermal loss in the transportation process greatly through the heat preservation that sets up.

Description

Backheating collecting device of thermal power plant

Technical Field

The utility model relates to a retrieve the heat field, particularly, relate to a heat power plant backheat collection device.

Background

The boiler is often used to the steam power plant, the boiler can produce a large amount of flue gases at the in-process of operation, contain a large amount of heats in the flue gas of production, if directly discharge the flue gas then can be with the white waste of heat that contains in the flue gas, and simultaneously, the direct emission of a large amount of dust that contains in the flue gas also does not benefit to the atmospheric environment, the heat recovery device of current boiler is carrying out heat recovery's in-process, it is not high to thermal utilization ratio, the heat that can not pass through the flue gas provides convenience for people's daily life water, and simultaneously, the dust that carries in the flue gas need effectively be detached, just can guarantee that the fume emission is up to standard, consequently, need a collection device of steam power plant recovery waste heat, and utilize and.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a heat and power plant backheat collection device to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a thermal power plant backheating collecting device comprises a boiler, wherein a flue pipe is arranged at the top end of the boiler, one end of the flue pipe is fixedly connected with a smoke inlet pipe, the other end of the smoke inlet pipe is connected with a shell, the smoke inlet pipe fixedly penetrates through the shell and extends into the shell, one end of the smoke inlet pipe positioned in the shell is fixedly connected with a spiral pipe, the other end of the spiral pipe penetrates through the shell and is connected with a smoke filtering cylinder, heat insulation layers are wrapped on the outer sides of the flue pipe, the smoke inlet pipe and the shell, a water inlet pipe is arranged at the top of the shell, a water outlet pipe is arranged at the bottom end of the shell, a placing bin is arranged in the shell, the spiral pipe is positioned in the placing bin, a water bin is formed between the shell and the placing bin, a smoke outlet pipe is arranged at the top of one side of the smoke filtering cylinder, and a filtering net layer, a filtering cotton layer and, the utility model discloses a sewage filter box, including a chimney filter, a rotating shaft, a rotating rod, a rotating shaft, a connecting rod, a sewage pipe, a sewage filtering box, a connecting port, a connecting pipe.

Further, the heat-insulating layer sequentially comprises a ceramic fiber cotton layer, a cement foam board layer, a glass cotton layer, an aluminum silicate layer and a rubber powder polyphenyl granule layer from the outer layer to the inner layer.

Furthermore, the through pipe, the sewage pipe, the water inlet pipe, the water outlet pipe and the final outlet pipe are all provided with control valves.

Furthermore, a plurality of baffles which are obliquely arranged are fixedly arranged at the top end of the inner wall of the smoke outlet pipe and at the bottom end of the inner wall of the smoke outlet pipe.

Further, the rotating motor is arranged above the top of the smoke filtering barrel through a supporting rod and is located far away from the top of the smoke filtering barrel, and a steam port is formed in the top end of the water sump.

Compared with the prior art, the utility model discloses following beneficial effect has:

the flue pipe of the boiler is connected with the smoke inlet pipe, the smoke entering the smoke inlet pipe is finally discharged into the spiral pipe, so that the spiral pipe is arranged spirally, the smoke conveying time is prolonged, the water in the water bin is better heated, the water enters the water bin from the water inlet pipe, the heated water is discharged from the water outlet pipe for daily use, the final smoke is discharged from the smoke outlet pipe, the waste gas flows to be filtered and deodorized sequentially through the filter screen layer, the filter cotton layer and the active carbon layer, the waste gas can be discharged from the smoke outlet pipe, the air pollution caused by dust in the waste gas is avoided, the environment is protected, the purified water is introduced into the smoke filter through the through pipe, the stirring plate is driven to be continuously stirred by rotating the motor, the scraping rod is matched with the inner wall of the smoke filter, the inside of the smoke filter is scrubbed, the scrubbed sewage is discharged from the sewage pipe, and the cleanness of the inside of the smoke filter is greatly ensured, also guaranteed the cleanliness factor of a chimney filter inner wall, sewage filters from superfine filter plate, finally discharges through the final exit tube on the sewage rose box, has avoided thermal loss in the transportation process greatly through the heat preservation that sets up.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a front view of a regenerative heat collecting apparatus of a thermal power plant according to an embodiment of the present invention;

fig. 2 is a schematic view of a heat insulation layer of a regenerative collection device of a thermal power plant according to an embodiment of the present invention.

Reference numerals:

1. a boiler; 2. a flue pipe; 3. a smoke inlet pipe; 4. a housing; 5. a spiral tube; 6. a chimney filter; 7. a heat-insulating layer; 8. a water inlet pipe; 9. a water outlet pipe; 10. placing a bin; 11. a water sump; 12. discharging the smoke tube; 13. a filter screen layer; 14. a filter cotton layer; 15. an activated carbon layer; 16. rotating the motor; 17. a rotating rod; 18. a stirring plate; 19. a scraping rod; 20. a sewage pipe; 21. a sewage filtering tank; 22. a ceramic fiber cotton layer; 23. a cement foam slab layer; 24. a glass wool layer; 25. an aluminum silicate layer; 26. a glue powder polyphenyl granule layer; 27. a control valve; 28. and a baffle plate.

Detailed Description

The following, with reference to the drawings and the detailed description, further description of the present invention is made:

in order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the present invention is not limited to the limitations of the specific embodiments of the present disclosure.

The first embodiment is as follows:

referring to fig. 1-2, a regenerative heat collecting device of a thermal power plant according to an embodiment of the present invention includes a boiler 1, a flue pipe 2 is disposed at a top end of the boiler 1, a smoke inlet pipe 3 is fixedly connected to one end of the flue pipe 2, the other end of the smoke inlet pipe 3 is connected to a housing 4, the smoke inlet pipe 3 is fixedly connected to the housing 4 and extends into the housing 4, a spiral pipe 5 is fixedly connected to one end of the smoke inlet pipe 3 located inside the housing 4, the other end of the spiral pipe 5 is connected to the housing 4 and is connected to a smoke filter 6, the flue pipe 2, the smoke inlet pipe 3 and an outer side of the housing 4 are all wrapped with a heat insulating layer 7, a water inlet pipe 8 is disposed at a top of the housing 4, a water outlet pipe 9 is disposed at a bottom end of the housing 4, a placing chamber 10 is disposed inside the housing 4, the spiral pipe 5 is located inside the placing chamber 10, and a water chamber 11 is formed between the housing 4 and, a smoke outlet pipe 12 is arranged at the top of one side of the smoke filtering cylinder 6, a filter screen layer 13, a filter cotton layer 14 and an activated carbon layer 15 are arranged in the smoke outlet pipe 12, a rotating motor 16 is arranged above the top end of the smoke filtering cylinder 6, the output end of the rotating motor 16 is provided with a vertical downward rotating rod 17, the rotating rod 17 penetrates through the smoke filtering cylinder 6 and is positioned in the smoke filtering cylinder 6, the rotating rod 17 is fixedly provided with a plurality of stirring plates 18 and scraping rods 19, the scraping rods 19 are L-shaped, the scraping rods 19 are fixed at two sides of the rotating rod 17, the scraping rods 19 are in contact with the inner wall of the smoke filtering cylinder 6, the smoke filtering cylinder 6 is a circular cylinder, a through pipe and a sewage pipe 20 are arranged on the smoke filtering cylinder 6, the sewage pipe 20 is vertically arranged downward, the bottom end of the sewage pipe 20 is connected with a sewage filtering tank 21, the top end of the sewage filtering tank 21 is provided with a connecting port, and the bottom of the sewage pipe 20, the top of the sewage filtering tank 21 is in an open shape, the inside of the sewage filtering tank 21 is provided with a superfine filtering screen plate, and the sewage filtering tank 21 is provided with a final outlet pipe.

Example two:

referring to fig. 1-2, for the insulating layer 7, the insulating layer 7 comprises a ceramic fiber cotton layer 22, a cement foam board layer 23, a glass cotton layer 24, an aluminum silicate layer 25 and a rubber powder polyphenyl granule layer 26 from the outer layer to the inner layer.

Through the above technical scheme of the utility model, beneficial effect: set up ceramic fiber cotton layer 22 to heat preservation 7's outmost, its intensity of utilization that can be fine is high, soft model, corrosion-resistant characteristics, it is more outstanding to make its weatherability, life is more permanent, set up rubber powder polyphenyl grained layer 26 to heat preservation 7's inlayer, the effect that its bonding ability is strong of utilization that can be abundant for heat preservation 7 firm laminating more plays better heat preservation effect on the pipeline surface.

Example three:

referring to fig. 1, for the through pipe, control valves 27 are disposed on the through pipe, the sewage pipe 20, the water inlet pipe 8, the water outlet pipe 9 and the final outlet pipe

Example four:

referring to fig. 1, for the smoke outlet pipe 12, a plurality of baffles 28 are fixed on the top end of the inner wall of the smoke outlet pipe 12 and the bottom end of the inner wall of the smoke outlet pipe 12.

Through the above technical scheme of the utility model, beneficial effect: the effect of filtering the flue gas is further increased by the continuous interception of the flue gas by the baffle 28.

Example five:

referring to fig. 1, for the rotating motor 16, the rotating motor 16 is disposed above the top of the smoke filtering cylinder 6 through a support rod and is located far away from the top of the smoke filtering cylinder 6, and a steam port is disposed at the top end of the water sump 11.

Through the above technical scheme of the utility model, beneficial effect: the rotating motor 16 is far away from the upper part of the top of the smoke filtering tube 6, the service life of the rotating motor 16 is prevented from being influenced by high temperature, the steam port is formed in the top end of the water bin 11, and when steam exists, water is heated and boiled, so that the water can be drunk conveniently.

For the convenience of understanding the above technical solution of the present invention, the following detailed description is made on the working principle or the operation mode of the present invention in the practical process:

in practical application, the flue pipe 2 of the boiler 1 is connected with the smoke inlet pipe 3, smoke entering the smoke inlet pipe 3 is finally discharged into the spiral pipe 5, so that the spiral pipe 5 is arranged spirally, the smoke conveying time is prolonged, water in the water bin 11 is better heated, the water enters the water bin 11 from the water inlet pipe 8, the heated water is discharged from the water outlet pipe 9 for daily life, the final smoke is discharged from the smoke outlet pipe 12, waste gas flows to pass through the filter screen layer 13, the filter cotton layer 14 and the activated carbon layer 15 for filtering and deodorizing, the waste gas can be discharged from the smoke outlet pipe 12 safely, dust in the waste gas is prevented from polluting air, the environment is protected, the purified water is introduced into the smoke filter tube 6, the stirring plate 18 is driven by rotating the motor 16 to stir continuously, the scraping rod 19 is matched with the through pipe to contact with the inner wall of the smoke filter tube 6, and the interior of the smoke filter tube 6 is scrubbed, the scrubbed sewage is discharged from the sewage pipe 20, so that the cleanness of the interior of the smoke filtering cylinder 6 and the inner wall of the smoke filtering cylinder 6 are greatly ensured, the sewage is filtered by the superfine filtering screen plate and finally discharged through a final outlet pipe on the sewage filtering box 21, and the loss of heat in the conveying process is greatly avoided through the arranged heat preservation layer 7.

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 (5)

1. The heat recovery collecting device for the thermal power plant is characterized by comprising a boiler (1), wherein a flue pipe (2) is arranged at the top end of the boiler (1), one end of the flue pipe (2) is fixedly connected with a smoke inlet pipe (3), the other end of the smoke inlet pipe (3) is connected with a shell (4), the smoke inlet pipe (3) is fixedly penetrated through the shell (4) and extends into the shell (4), a spiral pipe (5) is fixedly connected with one end of the smoke inlet pipe (3) inside the shell (4), the other end of the spiral pipe (5) penetrates through the shell (4) and is connected with a smoke filtering cylinder (6), a heat insulating layer (7) is wrapped on the outer sides of the flue pipe (2), the smoke inlet pipe (3) and the shell (4), a water inlet pipe (8) is arranged at the top of the shell (4), a water outlet pipe (9) is arranged at the bottom end of the shell (4), all be equipped with in shell (4) and place storehouse (10), spiral pipe (5) are located place storehouse (10), shell (4) with place and form sump (11) between the storehouse (10), one side top of straining chimney (6) is provided with out tobacco pipe (12), go out tobacco pipe (12) interior installation filter screen layer (13), filter cotton layer (14) and activated carbon layer (15), strain chimney (6) top and be equipped with rotating electrical machines (16), the output of rotating electrical machines (16) is equipped with vertical decurrent bull stick (17), bull stick (17) run through strain chimney (6) are located strain chimney (6) inside, just bull stick (17) are fixed and are equipped with a plurality of stirring board (18) and scrape pole (19), scrape pole (19) are the L type form, just scrape pole (19) fix bull stick (17) both sides, scrape pole (19) with it contacts to strain chimney (6) inner wall, it is circular section of thick bamboo to strain chimney (6), be equipped with siphunculus and sewage pipe (20) on straining chimney (6), the vertical downward setting of sewage pipe (20), just sewage pipe (20) bottom is connected with sewage rose box (21), sewage rose box (21) top is equipped with the connector, sewage pipe (20) bottom is telescopic hose, sewage rose box (21) top is the opening form, install superfine filter screen board in sewage rose box (21), be equipped with final exit tube on sewage rose box (21).

2. The regenerative heat collecting device of the thermal power plant as claimed in claim 1, wherein the heat insulating layer (7) comprises a ceramic fiber cotton layer (22), a cement foam board layer (23), a glass cotton layer (24), an aluminum silicate layer (25) and a rubber powder polyphenyl granule layer (26) from an outer layer to an inner layer in sequence.

3. The regenerative heat collecting device of the thermal power plant as claimed in claim 1, wherein the through pipe, the sewer pipe (20), the water inlet pipe (8), the water outlet pipe (9) and the final outlet pipe are all provided with control valves (27).

4. The regenerative heat collecting device of the thermal power plant according to claim 1, wherein a plurality of baffles (28) are fixed on the top end of the inner wall of the smoke outlet pipe (12) and the bottom end of the inner wall of the smoke outlet pipe (12).

5. The regenerative heat collecting device of the thermal power plant as claimed in claim 1, wherein the rotating motor (16) is disposed above the top of the chimney filter (6) through a support rod and is disposed above the top of the chimney filter (6), and the top of the water bin (11) is provided with a steam port.

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