CN211953742U

CN211953742U - Waste heat recovery device of rotary cement kiln

Info

Publication number: CN211953742U
Application number: CN201922264903.1U
Authority: CN
Inventors: 崔军; 毕兰芬
Original assignee: Chengde Jidong Cement Co ltd
Current assignee: Chengde Jidong Cement Co ltd
Priority date: 2019-12-16
Filing date: 2019-12-16
Publication date: 2020-11-17
Anticipated expiration: 2029-12-16

Abstract

The utility model discloses a rotary cement kiln waste heat recovery device, including the pipe box, the welding has first lantern ring on one side outer wall of pipe box, and the welding has the second lantern ring on the opposite side outer wall of pipe box, the top of pipe box is connected with first supporting leg through the bolt regulation, the top welding of first supporting leg has the cooling tube, bolt fixedly connected with circulating pump is passed through at the top of first lantern ring, the second lantern ring and circulating pump all with the cooling tube between all welded have the connecting pipe. This rotary cement kiln waste heat recovery device through the cooperation of second exchange pipe and first exchange pipe, can fully absorb the heat in the rotary cement kiln, and the waste heat in the rotary cement kiln absorbs the transmission through the coolant liquid and goes out with cold and hot exchange, and the effectual waste heat with in the rotary cement kiln is carried out, reaches waste heat recovery and recycles the effect, can fully contact with the heat through the absorber plate on the hollow tube, and then reaches the high-efficient recovery of heat.

Description

Waste heat recovery device of rotary cement kiln

Technical Field

The utility model relates to a rotary cement kiln technical field specifically is a rotary cement kiln waste heat recovery device.

Background

The rotary cement kiln is one of lime kilns, and can be divided into a rotary cement kiln, a rotary metallurgical chemical kiln and a rotary lime kiln, wherein the rotary cement kiln is a main device of a dry method production line and a wet method production line of cement clinker, and is mainly used for calcining the cement clinker and is divided into a dry method production cement kiln and a wet method production cement kiln.

However, the existing rotary cement kiln can generate a large amount of heat in the processing process, and the waste heat is difficult to recycle, so that the problem of low heat utilization rate is caused, the energy is not enough saved, the environment is protected, and an efficient rotary cement kiln waste heat recycling device is lacked.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a rotary cement kiln waste heat recovery device to the rotary cement kiln who proposes the fine word Europe in solving above-mentioned background art lacks high-efficient waste heat recovery and utilization device's problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a cement rotary kiln waste heat recovery device, includes the pipe box, the welding has first lantern ring on the outer wall of one side of pipe box, and the welding has the second lantern ring on the opposite side outer wall of pipe box, the top of pipe box is connected with first supporting leg through the bolt regulation, the welding has the cooling tube on the top of first supporting leg, the top of first lantern ring has the circulating pump through bolt fixed connection, the connecting pipe has all been welded between second lantern ring and circulating pump and the cooling tube, the cover is equipped with first exchange pipe on the outer wall of one side of cooling tube, the welding of one end of first exchange pipe has the feed liquor pipe, and the welding of the other end of first exchange pipe has the drain pipe, the inside embedding of pipe box has the second exchange pipe, the welding of one end of second exchange pipe has first circulating pipe, and the welding of the other end of second exchange pipe has the second circulating pipe, the embedding has the ball groove on, the utility model discloses a heat-absorbing pipe, including first U-shaped pipe and second U-shaped pipe, the inside embedding in ball groove has the ball, through bolt fixedly connected with support frame on the outer wall of one side of the second lantern ring, bolt fixedly connected with hollow tube is located to one side outer wall central point department of support frame, the welding has the absorber plate on the outer wall of one side of hollow tube, the inside embedding of hollow tube has first U-shaped pipe and second U-shaped pipe, first U-shaped pipe is located one side of second U-shaped pipe, bolt fixedly connected with second supporting legs is passed through to the bottom of pipe.

Compared with the prior art, the beneficial effects of the utility model are that: this rotary cement kiln waste heat recovery device, through the cooperation of second exchange pipe and first exchange pipe, can fully absorb the heat in the rotary cement kiln, the waste heat in the rotary cement kiln absorbs the transmission through the coolant liquid and goes out with cold and hot exchange, effectually carry out the waste heat in the rotary cement kiln, reach waste heat recovery and recycle's effect, can fully contact with the heat through the absorber plate on the hollow tube, and then reach the effect of the high-efficient recovery of heat, improve waste heat recovery's efficiency.

Drawings

Fig. 1 is a front view of the present invention;

FIG. 2 is a schematic view of the internal structure of the pipe sleeve according to the present invention;

FIG. 3 is a side view of the pipe sleeve of the present invention;

fig. 4 is a schematic view of the internal structure of the hollow tube of the present invention.

In the figure: 1. pipe sleeve; 2. a first collar; 3. a second collar; 4. a first supporting leg; 5. a cooling tube; 6. a circulation pump; 7. a connecting pipe; 8. a first exchange tube; 9. a liquid inlet pipe; 10. a liquid outlet pipe; 11. a second exchange tube; 12. a first circulation pipe; 13. a second circulation pipe; 14. a ball groove; 15. a ball bearing; 16. a support frame; 17. a hollow tube; 18. a heat absorbing plate; 19. a first U-shaped tube; 20. a second U-shaped tube; 21. the second supporting leg.

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 waste heat recovery device of a rotary cement kiln comprises a pipe sleeve 1, wherein a first lantern ring 2 is welded on the outer wall of one side of the pipe sleeve 1, a second lantern ring 3 is welded on the outer wall of the other side of the pipe sleeve 1, the top of the pipe sleeve 1 is connected with a first supporting leg 4 through a bolt in a specified mode, a cooling pipe 5 is welded at the top end of the first supporting leg 4, a circulating pump 6 is fixedly connected at the top of the first lantern ring 2 through a bolt, connecting pipes 7 are respectively welded between the second lantern ring 3 and the cooling pipe 5 and between the circulating pump 6 and the cooling pipe 5, a first exchange pipe 8 is sleeved on the outer wall of one side of the cooling pipe 5, a liquid inlet pipe 9 is welded at one end of the first exchange pipe 8, a liquid outlet pipe 10 is welded at the other end of the first exchange pipe 8, a second exchange pipe 11 is embedded in the pipe sleeve 1, a first circulating pipe 12 is welded at, the heat-absorbing pipe sleeve comprises a pipe sleeve 1, wherein a ball groove 14 is embedded in the inner wall of one side of the pipe sleeve 1, balls 15 are embedded in the ball groove 14, a supporting frame 16 is fixedly connected to the outer wall of one side of a second sleeve ring 3 through bolts, a hollow pipe 17 is fixedly connected to the central position of the outer wall of one side of the supporting frame 16 through bolts, a heat-absorbing plate 18 is welded to the outer wall of one side of the hollow pipe 17, a first U-shaped pipe 19 and a second U-shaped pipe 20 are embedded in the hollow pipe 17, the first U-shaped pipe 19 is located on one side of the second U-shaped pipe 20, and a second supporting leg.

The utility model discloses in: the first circulating pipe 12 is welded with the circulating pump 6, and the connecting pipe 7 is welded with the second circulating pipe 13; facilitating the flow of the cooling liquid.

The utility model discloses in: the pipe sleeve 1 is a hollow cylinder structure with openings at two ends; the pipe sleeve 1 can be sleeved on the outer wall of the rotary cement kiln.

The utility model discloses in: the number of the second supporting legs 21 is four, and the four second supporting legs 21 are symmetrically arranged at the bottom of the pipe sleeve 1; ensuring the stability of the support of the pipe sleeve 1.

The utility model discloses in: the ball groove 14 is in rolling contact with the ball 15, and two ends of the first U-shaped pipe 19 and the second U-shaped pipe 20 are respectively connected with the connecting pipe 7; the friction between the rotation of the rotary cement kiln and the pipe sleeve 1 is reduced.

The utility model discloses in: the first exchange tube 8 and the second exchange tube 11 are both in a spiral structure; the contact area of the first exchange tube 8 and the second exchange tube 11 with heat energy is increased.

The working principle is as follows: the pipe sleeve 1 is sleeved on the outer wall of the cement rotary kiln, the ball 15 is in rolling contact with the cement rotary kiln and is supported by the second supporting leg 21, when the pipe sleeve 1 is sleeved on the cement rotary kiln, the hollow pipe 17 on the supporting frame 16 is inserted into the cement rotary kiln, heat in the cement rotary kiln is absorbed by cooling liquid in the second exchange pipe 11, the first U-shaped pipe 19 and the second U-shaped pipe 20, heated cooling liquid enters the cooling pipe 5 through the connecting pipe 7 under the driving of the circulating pump 6, external cooling liquid enters the first exchange pipe 8 through the liquid inlet pipe 9 and flows out of the liquid outlet pipe 10, heat in the cooling pipe 5 is absorbed through the first exchange pipe 8, heat recovery is realized, and further waste heat recovery is realized, when the cement rotary kiln rotates, the cement rotary kiln is turned over, heat is realized by the heat absorbing plate 18 on the hollow pipe 17, and the full waste heat absorption is ensured, the efficiency of waste heat recovery is improved.

In summary, the following steps: this rotary cement kiln waste heat recovery device, through the cooperation of second exchange pipe 11 and first exchange pipe 8, can fully absorb the heat in the rotary cement kiln, waste heat in the rotary cement kiln absorbs the transmission through the coolant liquid and goes out with cold and hot exchange, effectual waste heat with in the rotary cement kiln is carried out, reach waste heat recovery and recycle's effect, heat absorbing plate 18 through on the hollow tube 17 can fully contact with the heat, and then reach the effect of the high-efficient recovery of heat, improve waste heat recovery's efficiency.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

Claims

1. The utility model provides a rotary cement kiln waste heat recovery device, includes pipe box (1), its characterized in that: the pipe is characterized in that a first lantern ring (2) is welded on the outer wall of one side of the pipe sleeve (1), a second lantern ring (3) is welded on the outer wall of the other side of the pipe sleeve (1), the top of the pipe sleeve (1) is connected with a first supporting leg (4) through a bolt rule, a cooling pipe (5) is welded at the top end of the first supporting leg (4), a circulating pump (6) is fixedly connected at the top of the first lantern ring (2) through a bolt, connecting pipes (7) are welded between the second lantern ring (3) and the circulating pump (6) and the cooling pipe (5), a first exchange pipe (8) is sleeved on the outer wall of one side of the cooling pipe (5), a liquid inlet pipe (9) is welded at one end of the first exchange pipe (8), a liquid outlet pipe (10) is welded at the other end of the first exchange pipe (8), and a second exchange pipe (11) is embedded in the, one end of the second exchange pipe (11) is welded with a first circulating pipe (12), the other end of the second exchange pipe (11) is welded with a second circulating pipe (13), a ball groove (14) is embedded in the inner wall of one side of the pipe sleeve (1), balls (15) are embedded in the ball groove (14), a supporting frame (16) is fixedly connected on the outer wall of one side of the second lantern ring (3) through a bolt, a hollow pipe (17) is fixedly connected at the central position of the outer wall at one side of the support frame (16) through a bolt, a heat absorbing plate (18) is welded on the outer wall of one side of the hollow pipe (17), a first U-shaped pipe (19) and a second U-shaped pipe (20) are embedded in the hollow pipe (17), the first U-shaped pipe (19) is located on one side of the second U-shaped pipe (20), and the bottom of the pipe sleeve (1) is fixedly connected with a second supporting leg (21) through a bolt.

2. The rotary cement kiln waste heat recovery device as claimed in claim 1, wherein: the first circulating pipe (12) is connected with the circulating pump (6) in a welding mode, and the connecting pipe (7) is connected with the second circulating pipe (13) in a welding mode.

3. The rotary cement kiln waste heat recovery device as claimed in claim 1, wherein: the pipe sleeve (1) is of a hollow cylinder structure with two open ends.

4. The rotary cement kiln waste heat recovery device as claimed in claim 1, wherein: the number of the second supporting legs (21) is four, and the four second supporting legs (21) are symmetrically arranged at the bottom of the pipe sleeve (1).

5. The rotary cement kiln waste heat recovery device as claimed in claim 1, wherein: the ball groove (14) is in rolling contact with the ball (15), and two ends of the first U-shaped pipe (19) and the second U-shaped pipe (20) are respectively connected with the connecting pipe (7).

6. The rotary cement kiln waste heat recovery device as claimed in claim 1, wherein: the first exchange tube (8) and the second exchange tube (11) are both in a spiral structure.