CN218511520U

CN218511520U - Waste heat recovery mechanism and rotary kiln cylinder

Info

Publication number: CN218511520U
Application number: CN202222839236.7U
Authority: CN
Inventors: 李桂荣; 翟迎辉
Original assignee: Nanjing Kaituo Environmental Protection Technology Co ltd
Current assignee: Nanjing Kaituo Environmental Protection Technology Co ltd
Priority date: 2022-10-27
Filing date: 2022-10-27
Publication date: 2023-02-21
Anticipated expiration: 2032-10-27

Abstract

The utility model relates to a rotary kiln technical field specifically is a waste heat recovery mechanism and rotary kiln section of thick bamboo, and waste heat recovery mechanism includes: the heat exchanger comprises a liquid supply pipe, a plurality of heat exchange pipes and a liquid discharge pipe, wherein one side of the liquid supply pipe is provided with the heat exchange pipes; the locking ring is positioned on the outer side of the heat exchange tube, a spring is arranged in the locking ring, a push plate is arranged on the other side of the spring, a locking rod is arranged on the other side of the push plate, and a poking plate is arranged on the outer side of the push plate; change the board, change the board and be located the heat exchange tube outside, change the inboard portion and be provided with the locking groove, change the board outside and be provided with supplementary strip, beneficial effect is: through the commentaries on classics board cooperation constant head tank that sets up, can be convenient for take off the heat exchange tube from feed pipe and fluid-discharge tube, be convenient for clear up the inside water stain of heat exchange tube, avoid water stain can pile up more, influence the recycle of waste heat.

Description

Waste heat recovery mechanism and rotary kiln cylinder

Technical Field

The utility model relates to a rotary kiln technical field specifically is a waste heat recovery mechanism and rotary kiln section of thick bamboo.

Background

The rotary kiln cylinder is a rotary calcining kiln, the appearance is similar to a rotary bed, the rotary kiln belongs to building material equipment, the rotary kiln can be divided into a cement kiln, a metallurgical chemical kiln and a lime kiln according to different treatment materials, the rotary kiln can generate a large amount of heat during production, the heat is diffused outwards in a radiation mode, therefore, most cement production factories can use heat exchangers such as heat exchange coil pipes to be circumferentially erected outside the rotary kiln cylinder, hot water obtained after heat exchange is conveyed into a hot water pipe network in a factory through water pipes for other purposes, but the heat exchange effect of the existing rotary kiln waste heat recovery device is poor, and the waste heat utilization rate of the rotary kiln is low.

The existing authorized Chinese utility model announcements are: CN213179496U, published as: 20210511, discloses a rotary kiln waste heat recovery device, which can prevent the waste heat emitted from the rotary kiln cylinder from being not concentrated due to the distribution of the waste heat through a heat collecting cover, so that the heat exchange effect of a heat exchange pipe is poor, and further, the liquid can absorb the waste heat as much as possible when passing through the heat exchange pipe from the right below the heat collecting cover for heat exchange, thereby improving the utilization rate of the waste heat of the rotary kiln cylinder; the heat exchange tube is supported by the arrangement of the heat plate, and meanwhile, most of heat can be quickly conducted into the heat exchange tube through the heat conduction plate, so that the utilization rate of the heat is further improved; the heat exchange area between the heat exchange tube and hot air can be increased by arranging the heat exchange fins, and the heat exchange efficiency of the heat exchange tube is further improved.

Above-mentioned scheme carries out recycle through the heat exchange tube that sets up gives off to the kiln section of thick bamboo, supplies water to the heat exchange tube through the feed pipe, carries hot water through the fluid-discharge tube during the hot water pipeline of factory, but water can produce water stain when the heating, and the heat exchange tube heats the back for a long time, and water stain can pile up more, influences the recycle of waste heat, and then needs do further improvement and optimization.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a waste heat recovery mechanism and rotary kiln section of thick bamboo to after the heat exchange tube heats for a long time in the current scheme that provides in solving above-mentioned background art, water stain can pile up more, influences the recycle problem of waste heat.

In order to achieve the above object, the utility model provides a following technical scheme: a waste heat recovery mechanism comprising:

a plurality of heat exchange tubes are arranged on one side of the liquid supply tube, a liquid discharge tube is arranged on one side of each heat exchange tube, and a positioning groove is formed in the liquid supply tube;

the locking ring is positioned on the outer side of the heat exchange tube, a spring is arranged in the locking ring, a push plate is arranged on the other side of the spring, a locking rod is arranged on the other side of the push plate, and a poking plate is arranged on the outer side of the push plate;

the rotary plate is located on the outer side of the heat exchange tube, a locking groove is formed in the rotary plate, and an auxiliary strip is arranged on the outer side of the rotary plate.

Preferably, the liquid supply pipe one side corresponds the heat exchange tube and all is provided with the constant head tank, and the fluid-discharge tube opposite side corresponds the heat exchange tube and all is provided with the constant head tank, and the constant head tank is inside all to be provided with the internal thread.

Preferably, two groups of locking rings are symmetrically arranged on the outer side of the heat exchange tube left and right, the locking rings are arranged to be of a V-shaped annular structure with the section being 21274, and the inner side ends of the locking rings are fixedly connected with the heat exchange tube.

Preferably, a plurality of groups of springs are installed in the locking ring at equal intervals, a push plate is fixedly connected to the other side of each spring, the push plate is of an annular plate-shaped structure, and the size of the push plate is matched with that of the locking ring.

Preferably, the push pedal opposite side is the annular equidistance and is provided with the multiunit locking lever, and locking lever one side all fixed connection push pedal, locking lever opposite side all run through the locking ring and extend to the outside.

Preferably, the pushing plate is fixedly connected with the poking plate on the outer side, the size of the inner side of the poking plate is matched with the locking ring, and a plurality of groups of auxiliary grooves are formed in the outer side of the poking plate.

Preferably, heat exchange tube outside both ends all are provided with changes the board, change the board outside and all correspond the constant head tank and be provided with the external screw thread, change the board and set up to the annular plate that the cross-section appears for L, change the board opposite side and all be provided with the locking groove, the equal circumference distribution of locking groove has the multiunit, the locking lever opposite side all is located locking inslot portion, changes the equal circumference in the board outside and is fixed with multiunit subsidiary strip, subsidiary strip sets up to semicircle banding structure.

A rotary kiln cylinder comprises the waste heat recovery mechanism.

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

the utility model discloses mainly be to the case: CN213179496U improves and optimizes, change board cooperation constant head tank through setting up promptly, can be convenient for take off the heat exchange tube from liquid supply pipe and fluid-discharge tube, be convenient for clear up the inside water stain of heat exchange tube, it can pile up more to avoid water stain, influence the recycle of waste heat, and change the board through the cooperation of the supplementary strip that sets up, can be convenient for fix the heat exchange tube to liquid supply pipe and fluid-discharge tube on, and through the locking lever cooperation locking groove that sets up, can lock the deflector, the vibrations of avoiding the heat exchange tube to carry hot water and carry the production lead to changeing the board and appear removing.

Drawings

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

FIG. 2 is a schematic structural section view of the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 2;

FIG. 4 is a schematic view of the structure of the rotating plate of the present invention;

fig. 5 is a schematic view of the liquid supply tube structure of the present invention.

In the figure: the device comprises a liquid supply pipe 1, a heat exchange pipe 2, a liquid discharge pipe 3, a locking ring 4, a spring 5, a push plate 6, a locking rod 7, a poking plate 8, a rotating plate 9, a locking groove 10, an auxiliary bar 11 and a positioning groove 12.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clear and fully described, embodiments of the present invention are further described in detail below with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are merely illustrative of some embodiments of the invention and are not limiting of the invention, and that all other embodiments obtained by those of ordinary skill in the art without the exercise of inventive faculty are within the scope of the invention.

Example one

Referring to fig. 1-5, the present invention provides a technical solution: a waste heat recovery mechanism comprising: the heat exchanger comprises a liquid supply pipe 1, wherein a plurality of heat exchange pipes 2 are arranged on one side of the liquid supply pipe 1, a liquid discharge pipe 3 is arranged on one side of each heat exchange pipe 2, and a positioning groove 12 is formed in the liquid supply pipe 1; the locking ring 4 is positioned on the outer side of the heat exchange tube 2, a spring 5 is arranged in the locking ring 4, a push plate 6 is arranged on the other side of the spring 5, a locking rod 7 is arranged on the other side of the push plate 6, and a poking plate 8 is arranged on the outer side of the push plate 6; the rotary plate 9 is positioned on the outer side of the heat exchange tube 2, the inside of the rotary plate 9 is provided with a locking groove 10, and the outer side of the rotary plate 9 is provided with an auxiliary strip 11.

Example two

As shown in fig. 1-5, the utility model discloses a waste heat recovery mechanism disclosed in embodiment two, its structure is the same basically with embodiment one, and its difference lies in, and feed pipe 1 one side corresponds heat exchange tube 2 and all is provided with constant head tank 12, and the corresponding heat exchange tube 2 of fluid-discharge tube 3 opposite side all is provided with constant head tank 12, and constant head tank 12 is inside all to be provided with the internal thread, through the inside thread groove of constant head tank 12, is convenient for change board 9 and fixes heat exchange tube 2.

EXAMPLE III

As shown in fig. 1-3, the utility model discloses a waste heat recovery mechanism disclosed in embodiment three, its structure is the same basically with in embodiment one, its difference lies in, the equal bilateral symmetry in heat exchange tube 2 outside is provided with two sets of locking ring 4, locking ring 4 all sets up to the cross-section be for the annular result of \21274, the equal fixed connection heat exchange tube 2 of shape of locking ring 4 medial extremity, locking ring 4 is inside equidistance and installs multiunit spring 5, the equal fixedly connected with push pedal 6 of spring 5 opposite side, push pedal 6 sets up to annular platy structure, push pedal 6 size and locking ring 4 looks adaptation, push pedal 6 opposite side is annular equidistance and is provided with multiunit locking lever 7, the equal fixedly connected push pedal 6 in locking lever 7 one side, locking lever 7 opposite side all runs through locking ring 4 and extends to the outside, the equal fixedly connected with stirring board 8 in the push pedal 6 outside, stirring board 8 inboard size all with locking ring 4 looks adaptation, stirring board 8 outside all is provided with multiunit auxiliary groove, through the auxiliary groove who sets up, be convenient for with stirring board 8 to move to one side.

Example four

As shown in fig. 1-4, the utility model discloses a waste heat recovery mechanism that discloses in the fourth embodiment, its structure is the same basically with embodiment one, its difference lies in, 2 outside both ends of heat exchange tube all are provided with changes board 9, it all corresponds constant head tank 12 and is provided with the external screw thread to change the board 9 outside, it sets up to the annular slab that the cross-section is L shape to change board 9, it all is provided with locking groove 10 to change board 9 opposite side, locking groove 10 equal circumference distributes and has the multiunit, 7 opposite sides of locking lever all are located locking inside groove 10, it is fixed with multiunit subsidiary strip 11 to change the equal circumference in board 9 outside, subsidiary strip 11 sets up to semicircle strip structure, through the subsidiary strip 11 that sets up, be convenient for supplementary to rotate and change board 9.

A rotary kiln cylinder comprises the waste heat recovery mechanism.

When the heat exchange tube 2 is disassembled, firstly, the poking plate 8 is pulled to one side, the poking plate 8 drives the locking rod 7 to move through the push plate 6, the locking rod 7 leaves the locking groove 10 and does not limit the rotating plate 9, then, the rotating plate 9 rotates, the rotating plate 9 enables the rotating plate 9 to move to one side through the interaction of the threads of the positioning groove 12, after the rotating plate 9 leaves the positioning groove 12, the heat exchange tube 2 is not fixed any more, and then, the rotating plate 9 on the other side rotates, so that the heat exchange tube 2 can be taken down; when installing heat exchange tube 2, with heat exchange tube 2 to constant head tank 12 on liquid feed pipe 1 and the fluid-discharge tube 3, will dial board 8 and stir to one side, reverse rotation changes board 9 for change board 9 and

liquid feed pipe

1 and 3 threaded connection of fluid-discharge tube, accomplish the installation, locking groove 10 aligns with locking lever 7 simultaneously, will dial board 8 again and loosen, spring 5 promotes locking lever 7 through push pedal 6 and removes to the opposite side, make locking lever 7 card go into locking inslot 10, the completion is to the locking of deflector 9.

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

1. A heat recovery mechanism, comprising:

the heat exchanger comprises a liquid supply pipe (1), wherein a plurality of heat exchange pipes (2) are arranged on one side of the liquid supply pipe (1), a liquid discharge pipe (3) is arranged on one side of each heat exchange pipe (2), and a positioning groove (12) is formed in the liquid supply pipe (1);

the heat exchange tube comprises a locking ring (4), wherein the locking ring (4) is positioned on the outer side of the heat exchange tube (2), a spring (5) is arranged inside the locking ring (4), a push plate (6) is arranged on the other side of the spring (5), a locking rod (7) is arranged on the other side of the push plate (6), and a poking plate (8) is arranged on the outer side of the push plate (6);

the heat exchange tube comprises a rotating plate (9), wherein the rotating plate (9) is located on the outer side of the heat exchange tube (2), a locking groove (10) is formed in the rotating plate (9), and an auxiliary strip (11) is arranged on the outer side of the rotating plate (9).

2. A heat recovery mechanism according to claim 1, wherein: liquid feed pipe (1) one side corresponds heat exchange tube (2) and all is provided with constant head tank (12), and fluid-discharge tube (3) opposite side corresponds heat exchange tube (2) and all is provided with constant head tank (12), and constant head tank (12) inside all is provided with the internal thread.

3. A heat recovery mechanism according to claim 2, wherein: two groups of locking rings (4) are symmetrically arranged on the left side and the right side of the outer side of the heat exchange tube (2), the locking rings (4) are arranged into a V-shaped 21274, the cross section is the annular result, and the inner side ends of the locking rings (4) are fixedly connected with the heat exchange tube (2).

4. A mechanism as claimed in claim 3, wherein: the locking ring (4) is internally and equally spaced and provided with a plurality of groups of springs (5), the other side of each spring (5) is fixedly connected with a push plate (6), each push plate (6) is of an annular plate-shaped structure, and the size of each push plate (6) is matched with the corresponding locking ring (4).

5. The heat recovery mechanism of claim 4, wherein: the push plate (6) opposite side is that annular equidistance is provided with multiunit locking lever (7), and equal fixed connection push plate (6) in locking lever (7) one side, locking lever (7) opposite side all runs through lock fixed ring (4) and extends to the outside.

6. The heat recovery mechanism of claim 5, wherein: push pedal (6) outside all fixedly connected with dials movable plate (8), dial movable plate (8) inboard size all with locking ring (4) looks adaptation, dial movable plate (8) outside and all be provided with the multiunit auxiliary tank.

7. The heat recovery mechanism of claim 6, wherein: the heat exchange tube (2) outside both ends all are provided with changes board (9), change board (9) outside and all correspond constant head tank (12) and be provided with the external screw thread, change board (9) and set up to the annular plate that the cross-section appears for L, change board (9) opposite side and all be provided with locking groove (10), the equal circumference in locking groove (10) distributes and has the multiunit, locking lever (7) opposite side all is located inside locking groove (10), it is fixed with multiunit subsidiary strip (11) to change the equal circumference in board (9) outside, subsidiary strip (11) set up to semicircle strip structure.

8. A rotary kiln cylinder is characterized in that: comprising a waste heat recovery mechanism according to any of the preceding claims 1-7.