CN214308207U

CN214308207U - Waste heat recovery heating device of rotary cement kiln

Info

Publication number: CN214308207U
Application number: CN202022944980.4U
Authority: CN
Inventors: 李修启; 季广伟; 牟庆军; 韩荣涛
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-07
Filing date: 2020-12-07
Publication date: 2021-09-28
Anticipated expiration: 2030-12-07

Abstract

The utility model discloses a cement rotary kiln waste heat recovery heating device, including the rotary kiln, the surface symmetry of rotary kiln is rotated and is connected with two waste heat recovery section of thick bamboos, two waste heat recovery section of thick bamboo's inside all is equipped with U type copper pipe and lower U type copper pipe, two go up U type copper pipe and be connected with the flange down between the U type copper pipe jointly, two go up the equal fixedly connected with cold interface of one end that the flange was kept away from to U type copper pipe, and the inside that the waste heat recovery section of thick bamboo was run through perpendicularly to cold interface extends to the top. The utility model discloses in, cold water tank's cold water passes through the inside last U type copper pipe of waste heat recovery section of thick bamboo and absorbs the heat with lower U type copper pipe, converts hot water into, then rethread hot connector and heat pipe says and flow into and store in the insulation can, when the user needs to use, carry the user through first pump package and reposition of redundant personnel inlet channel, heat the user, make full use of rotary kiln's waste heat, avoid extravagant to can also heat the user, practice thrift certain energy.

Description

Waste heat recovery heating device of rotary cement kiln

Technical Field

The utility model relates to a waste heat recovery technical field especially relates to a rotary cement kiln waste heat recovery heating system.

Background

The waste heat refers to sensible heat and latent heat which are not reasonably utilized in the original design in the energy consumption device of the put-in-operation industrial enterprise due to the limitations of factors such as history, technology, concept and the like. The method comprises the steps of high-temperature waste gas waste heat, cooling medium waste heat, waste steam waste water waste heat, high-temperature product and slag waste heat, chemical reaction waste heat, combustible waste gas waste liquid, waste material waste heat and the like. According to investigation, the total waste heat resources of all industries account for 17% -67% of the total fuel consumption, and the recyclable waste heat resources account for 60% of the total waste heat resources;

most of the existing rotary kiln waste heat cooling uses a warm air blower for cooling, waste heat cannot be recovered, a large amount of resources are wasted, and part of the waste heat is collected, but the collection efficiency is low, the utilization rate is not high, and part of heat energy is still wasted.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a rotary cement kiln waste heat recovery heating device.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a waste heat recovery and heating device of a cement rotary kiln comprises a rotary kiln, wherein two waste heat recovery barrels are symmetrically and rotatably connected to the outer surface of the rotary kiln, an upper U-shaped copper pipe and a lower U-shaped copper pipe are arranged inside each waste heat recovery barrel, a flange is commonly connected between the two upper U-shaped copper pipes and the lower U-shaped copper pipe, one ends, far away from the flange, of the two upper U-shaped copper pipes are fixedly connected with cold interfaces, the cold interfaces vertically penetrate through the interiors of the waste heat recovery barrels and extend to the top, one ends, far away from the flange, of the two lower U-shaped copper pipes are fixedly connected with hot interfaces, the hot interfaces vertically penetrate through the interiors of the waste heat recovery barrels and extend to the bottom, the bottoms of the two hot interfaces are fixedly connected with hot pipelines, one ends, far away from the hot interfaces, of the two hot pipelines are fixedly connected with an insulation box, and one side, far away from the hot pipelines, of the outer surface of the insulation box is fixedly connected with a first main pipeline, the one end that insulation can was kept away from to first trunk line is equipped with first pump package, the play water end fixedly connected with second trunk line of first pump package, the one end fixedly connected with reposition of redundant personnel inlet channel of first pump package is kept away from to the second trunk line, the end of reposition of redundant personnel inlet channel all is equipped with the user, one side that the user kept away from the reposition of redundant personnel inlet channel is equipped with reposition of redundant personnel recovery duct, the common fixedly connected with cold water storage cistern of user's one end is kept away from to the reposition of redundant personnel recovery duct, the first cold pipeline of top fixedly connected with of cold water storage cistern, the one end that the cold water storage cistern was kept away from to first cold pipeline is equipped with the second pump package, the play water end fixedly connected with second cold pipeline of second pump package, and fixed connection between second cold pipeline and the cold interface.

As a further description of the above technical solution:

the rotary kiln is characterized in that a driving motor is arranged on the bottom side of the rotary kiln, a driving shaft is fixedly connected to the driving end of the driving motor, a small gear is fixedly connected to the outer surface of the driving shaft, a large gear is meshed and connected to the top side of the small gear, and the large gear is fixedly connected with the rotary kiln.

As a further description of the above technical solution:

two ends of the outer surface of the rotary kiln are fixedly connected with auxiliary large rotating wheels, and the bottom sides of the two auxiliary large rotating wheels are symmetrically and rotatably connected with two auxiliary small rotating wheels.

As a further description of the above technical solution:

and supporting upright posts are arranged on the bottom sides of the driving motor and the auxiliary small rotating wheel.

As a further description of the above technical solution:

the bottoms of the two waste heat recovery cylinders are symmetrically and fixedly connected with two supporting blocks.

As a further description of the above technical solution:

and the three supporting columns are fixedly connected with the supporting blocks.

The utility model discloses following beneficial effect has:

this cement rotary kiln waste heat recovery heating device, the cold water of cold water tank passes through the inside last U type copper pipe of waste heat recovery section of thick bamboo and absorbs the heat with lower U type copper pipe, convert hot water into, then rethread hot junction and heat pipe flow store in advancing the insulation can, when the user needs to use, carry the user through first pump package and reposition of redundant personnel inlet channel, heat the user, make full use of the waste heat of rotary kiln, avoid extravagant, and can also heat the user, certain energy has been practiced thrift, and is very practical.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the connection between the large gear and the small gear of the present invention;

fig. 3 is a schematic structural view of the waste heat recovery cylinder of the present invention.

Illustration of the drawings:

1. a rotary kiln; 2. a pinion gear; 3. supporting the upright post; 4. a support block; 5. an auxiliary small runner; 6. a heat pipe; 7. a heat preservation box; 8. a first pump group; 9. a diversion water inlet pipeline; 10. a split-flow recovery pipeline; 11. a cold water tank; 12. a first cold pipe; 13. a user; 14. a second main pipe; 15. a first main pipe; 16. a second pump group; 17. a second cold pipe; 18. a drive motor; 19. a waste heat recovery cylinder; 20. a bull gear; 21. an auxiliary large rotating wheel; 22. a drive shaft; 23. a cold port; 24. a flange; 25. arranging a U-shaped copper pipe; 26. a lower U-shaped copper pipe; 27. a thermal interface.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", 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 referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, 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.

Referring to fig. 1-3, the present invention provides an embodiment: a waste heat recovery heating device of a cement rotary kiln comprises a rotary kiln 1, two waste heat recovery barrels 19 are symmetrically and rotatably connected to the outer surface of the rotary kiln 1, an upper U-shaped copper pipe 25 and a lower U-shaped copper pipe 26 are arranged inside each of the two waste heat recovery barrels 19, a flange 24 is commonly connected between the two upper U-shaped copper pipes 25 and the lower U-shaped copper pipe 26, cold connectors 23 are fixedly connected to one ends of the two upper U-shaped copper pipes 25, which are far away from the flange 24, respectively, the cold connectors 23 vertically penetrate through the inside of the waste heat recovery barrels 19 and extend to the top, hot connectors 27 are fixedly connected to one ends of the two lower U-shaped copper pipes 26, which are far away from the flange 24, respectively, the hot connectors 27 vertically penetrate through the inside of the waste heat recovery barrels 19 and extend to the bottom, hot pipelines 6 are fixedly connected to the bottoms of the two hot connectors 27, an insulation box 7 is fixedly connected to one ends of the two hot pipelines 6, which are far away from the hot connectors 27, respectively, a first main pipeline 15 is fixedly connected to one side of the outer surface of the insulation box 7, which is far away from the hot pipelines 6, one end that insulation can 7 was kept away from to first trunk line 15 is equipped with first pump package 8, the play water end fixedly connected with second trunk line 14 of first pump package 8, the one end fixedly connected with reposition of redundant personnel inlet channel 9 of first pump package 8 is kept away from to second trunk line 14, the end of reposition of redundant personnel inlet channel 9 all is equipped with user 13, one side that user 13 kept away from reposition of redundant personnel inlet channel 9 is equipped with reposition of redundant personnel recovery pipeline 10, the common fixedly connected with cold water storage cistern 11 of one end that user 13 was kept away from to reposition of redundant personnel recovery pipeline 10, the first cold pipeline 12 of top fixedly connected with of cold water storage cistern 11, the one end that cold water storage cistern 11 was kept away from to first cold pipeline 12 is equipped with second pump package 16, the play water end fixedly connected with second cold pipeline 17 of second pump package 16, and fixed connection between second cold pipeline 17 and the cold interface 23.

The rotary kiln comprises a rotary kiln 1 and is characterized in that a driving motor 18 is arranged at the bottom side of the rotary kiln 1, a driving shaft 22 is fixedly connected with the driving end of the driving motor 18, a small gear 2 is fixedly connected with the outer surface of the driving shaft 22, a large gear 20 is meshed and connected with the top side of the small gear 2, and the large gear 20 is fixedly connected with the rotary kiln 1, so that the rotary kiln 1 can rotate conveniently.

The two ends of the outer surface of the rotary kiln 1 are fixedly connected with the auxiliary large rotating wheels 21, and the bottom sides of the two auxiliary large rotating wheels 21 are symmetrically and rotatably connected with the two auxiliary small rotating wheels 5, so that the rotary kiln has the function of auxiliary rotation.

The bottom sides of the driving motor 18 and the auxiliary small rotating wheel 5 are provided with the supporting upright posts 3, so that the effect of supporting stability is achieved.

The bottoms of the two waste heat recovery cylinders 19 are symmetrically and fixedly connected with two supporting blocks 4, so that the stability is improved.

The three supporting columns 3 are fixedly connected with the supporting blocks 4.

The working principle is as follows: when the cement rotary kiln waste heat recovery heating device is used, the rotary kiln 1 starts to operate, the second pump unit 16 is started at the moment, cold water in the cold water tank 11 is conveyed into the waste heat recovery barrel 19 through the first cold pipeline 12 and the second cold pipeline 17, the cold water absorbs waste heat through the upper U-shaped copper pipe 25 and the lower U-shaped copper pipe 26, the cold water is changed into hot water, the hot water is discharged from the hot connector 27 and the hot pipeline 6 and flows into the heat preservation tank 7 for heat preservation, the hot water is conveyed to a user 13 through the first pump unit 8 and the diversion water inlet pipeline 9, heating is used, and the water used for heating is collected into the cold water tank 11 through the diversion recovery pipeline 10.

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 and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a rotary cement kiln waste heat recovery heating system, includes rotary kiln (1), its characterized in that: the outer surface of the rotary kiln (1) is symmetrically and rotatably connected with two waste heat recovery barrels (19), the two waste heat recovery barrels (19) are internally provided with an upper U-shaped copper pipe (25) and a lower U-shaped copper pipe (26), a flange (24) is commonly connected between the two upper U-shaped copper pipes (25) and the lower U-shaped copper pipe (26), one ends of the two upper U-shaped copper pipes (25), far away from the flange (24), are fixedly connected with cold interfaces (23), the cold interfaces (23) vertically penetrate through the interior of the waste heat recovery barrels (19) and extend to the top, one ends of the two lower U-shaped copper pipes (26), far away from the flange (24), are fixedly connected with hot interfaces (27), the hot interfaces (27) vertically penetrate through the interior of the waste heat recovery barrels (19) and extend to the bottom, the bottoms of the two hot interfaces (27) are fixedly connected with hot pipelines (6), and one ends of the two hot pipelines (6), far away from the hot interfaces (27), are commonly and fixedly connected with a heat preservation box (7), a first main pipeline (15) is fixedly connected to one side, away from the heat pipeline (6), of the outer surface of the heat insulation box (7), a first pump group (8) is arranged at one end, away from the heat insulation box (7), of the first main pipeline (15), a second main pipeline (14) is fixedly connected to the water outlet end of the first pump group (8), a shunting water inlet pipeline (9) is fixedly connected to one end, away from the first pump group (8), of the second main pipeline (14), a user (13) is arranged at the tail end of the shunting water inlet pipeline (9), a shunting recovery pipeline (10) is arranged at one side, away from the shunting water inlet pipeline (9), of the shunting recovery pipeline (10) is fixedly connected with a cold water tank (11) together, a first cold pipeline (12) is fixedly connected to the top of the cold water tank (11), and a second pump group (16) is arranged at one end, away from the cold water tank (11), of the first cold pipeline (12), the water outlet end of the second pump group (16) is fixedly connected with a second cold pipeline (17), and the second cold pipeline (17) is fixedly connected with the cold connector (23).

2. The rotary cement kiln waste heat recovery heating device as claimed in claim 1, wherein: the rotary kiln is characterized in that a driving motor (18) is arranged on the bottom side of the rotary kiln (1), a driving end of the driving motor (18) is fixedly connected with a transmission shaft (22), a small gear (2) is fixedly connected to the outer surface of the transmission shaft (22), the top side of the small gear (2) is connected with a large gear (20) in a meshed mode, and the large gear (20) is fixedly connected with the rotary kiln (1).

3. The rotary cement kiln waste heat recovery heating device as claimed in claim 1, wherein: two ends of the outer surface of the rotary kiln (1) are fixedly connected with auxiliary large rotating wheels (21), and the bottom sides of the two auxiliary large rotating wheels (21) are symmetrically and rotatably connected with two auxiliary small rotating wheels (5).

4. The rotary cement kiln waste heat recovery heating device as claimed in claim 2, characterized in that: and supporting upright posts (3) are arranged on the bottom sides of the driving motor (18) and the auxiliary small rotating wheel (5).

5. The rotary cement kiln waste heat recovery heating device as claimed in claim 1, wherein: the bottoms of the two waste heat recovery cylinders (19) are symmetrically and fixedly connected with two supporting blocks (4).

6. The rotary cement kiln waste heat recovery heating device as claimed in claim 4, wherein: the three supporting columns (3) are fixedly connected with the supporting blocks (4).