CN219347370U

CN219347370U - Rotary kiln waste heat recovery device

Info

Publication number: CN219347370U
Application number: CN202223497933.5U
Authority: CN
Inventors: 戴金柱
Original assignee: Tangshan Shenglong Cement Co ltd
Current assignee: Tangshan Shenglong Cement Co ltd
Priority date: 2022-12-26
Filing date: 2022-12-26
Publication date: 2023-07-14
Anticipated expiration: 2032-12-26

Abstract

The application relates to a rotary kiln waste heat recovery device sets up at the rotary kiln lateral wall, relates to roasting equipment technical field, and it includes the absorber plate, the inside absorber tube that is provided with the deposit rivers of absorber plate. The method has the effect of improving the energy utilization rate.

Description

Rotary kiln waste heat recovery device

Technical Field

The application relates to the technical field of roasting equipment, in particular to a rotary kiln waste heat recovery device.

Background

In many production industries such as construction, metallurgy, chemical industry, environmental protection, etc., rotary kilns are widely used for carrying out mechanical, physical and chemical treatments on solid materials. When the rotary kiln processes materials, the materials need to be heated, because the rotary kiln needs great heat in the process of processing the materials, more heat can be lost to the outside along the wall of the rotary kiln in the process, the heat can not be well utilized, and the energy loss is serious.

Disclosure of Invention

In order to improve the energy utilization rate, the application provides a rotary kiln waste heat recovery device.

The application provides a rotary kiln waste heat recovery device adopts following technical scheme:

the waste heat recovery device of the rotary kiln is arranged on the outer side wall of the rotary kiln and comprises a heat absorbing plate, wherein a heat absorbing pipe for storing water flow is arranged inside the heat absorbing plate.

Through adopting above-mentioned technical scheme, when the rotary kiln during operation, the unnecessary heat of rotary kiln can be absorbed by the rivers in the heat absorption pipe, and the rivers that have absorbed the heat can be utilized again to improve the utilization ratio of energy, reduced energy loss.

Optionally, a fixing component for fixing the heat absorbing plate is arranged on the heat absorbing plate.

Through adopting above-mentioned technical scheme, when the heat absorption board is installed on the rotary kiln lateral wall to needs, the accessible fixed subassembly is fixed to increase the stability of heat absorption board on the rotary kiln, when needs dismantle the heat absorption board and change, accessible fixed subassembly takes off the heat absorption board, thereby has improved the holistic flexibility of device, conveniently changes.

Optionally, the fixed subassembly includes fixing bolt, fixing bolt threaded connection is in on the absorber plate, fixing bolt is kept away from the one end of absorber plate and is passed the absorber plate and threaded connection is on the rotary kiln, fixing bolt is kept away from the one end threaded connection of absorber plate has fixation nut, fixation nut butt is on the rotary kiln lateral wall.

Through adopting above-mentioned technical scheme, when needs are fixed the heat absorption board on the rotary kiln, screw up fixing bolt to the heat absorption board on, then further fix it through fixation nut to on fixing the heat absorption board to the rotary kiln, when needs dismantle the heat absorption board and change, take off fixing bolt and fixation nut from the heat absorption board, thereby conveniently change the heat absorption board, increase the device flexibility.

Optionally, the heat absorbing pipes are several.

Through adopting above-mentioned technical scheme, the area of contact of rivers and rotary kiln in the multiplicable heat absorption pipe of a plurality of heat absorption pipe to improve the heat absorption efficiency of rivers.

Optionally, one end of the heat absorbing pipe extends to the outer side of the heat absorbing plate, and a flow guiding component is arranged.

Through adopting above-mentioned technical scheme, when the rivers in the heat absorption pipe need be utilized, the accessible water conservancy diversion subassembly discharges the rivers in a plurality of heat absorption pipes in the heat absorption board to the rivers in the heat absorption pipe have been made things convenient for and have been collected the utilization.

Optionally, the flow guiding assembly comprises a connecting pipe, the connecting pipe is mutually communicated with a plurality of heat absorbing pipes, and one end of the connecting pipe is in threaded connection with a threaded cover.

Through adopting above-mentioned technical scheme, when the rivers in the heat pipe need be discharged, twist the screw thread lid towards the direction of keeping away from the connecting pipe, when the screw thread lid breaks away from the connecting pipe completely, rivers in the heat pipe alright discharge through the connecting pipe.

Optionally, a valve is arranged at one end of the connecting pipe, which is provided with the threaded cover.

By adopting the technical scheme, the valve can control whether water flow is discharged from the connecting pipe at any time, so that the flexibility of water flow discharge is improved.

Optionally, a protective layer is wrapped on one side of the heat absorbing plate, which is far away from the rotary kiln.

Through adopting above-mentioned technical scheme, the inoxidizing coating can play certain guard effect to the heat absorption board to improve the life of device.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the rotary kiln works, the redundant heat of the rotary kiln can be absorbed by water flow in the heat absorption pipe, and the water flow after absorbing the heat can be reused, so that the utilization rate of energy is improved, and the energy loss is reduced;

2. when the heat absorbing plate is required to be mounted on the outer side wall of the rotary kiln, the heat absorbing plate can be fixed through the fixing component, so that the stability of the heat absorbing plate on the rotary kiln is improved, and when the heat absorbing plate is required to be dismounted and replaced, the heat absorbing plate can be taken down through the fixing component, so that the overall flexibility of the device is improved, and the replacement is convenient;

3. the contact area between the water flow in the heat absorption pipes and the rotary kiln can be increased by the heat absorption pipes, so that the heat absorption efficiency of the water flow is improved.

Drawings

Fig. 1 is a schematic diagram of an overall structure of a waste heat recovery device according to an embodiment of the present application;

FIG. 2 is a schematic cross-sectional view of a waste heat recovery device embodying an embodiment of the present application;

in the figure, 1, a rotary kiln; 2. a heat absorbing plate; 21. a placement groove; 22. a heat absorbing pipe; 3. a fixing assembly; 31. a fixing bolt; 32. a fixing nut; 4. a flow guiding assembly; 41. a connecting pipe; 42. a screw cap; 5. and (3) a valve.

Detailed Description

The present application is described in further detail below with reference to fig. 1-2.

The utility model provides a rotary kiln waste heat recovery device, refer to fig. 1 and 2, including absorber plate 2, absorber plate 2 is the arch structure, and absorber plate 2 parcel is on rotary kiln 1 outer wall, evenly has offered a plurality of standing grooves 21 along absorber plate 2's length direction in absorber plate 2 inside, fixed connection absorber tube 22 in standing groove 21 is provided with a plurality of fixed subassembly 3 on absorber plate 2, absorber plate 2 passes through fixed subassembly 3 fixed connection on rotary kiln 1 outer wall.

When the heat absorbing plate 2 is fixed to the outer wall of the rotary kiln 1 through the fixing component 3, redundant heat generated in the working process of the rotary kiln 1 is absorbed by water flow in the heat absorbing pipe 22, and after the water flow absorbs the heat, the water with the absorbed heat can be utilized, so that the energy utilization rate is improved.

Referring to fig. 1 and 2, the fixing components 3 are uniformly distributed along the length direction of the heat absorbing plate 2, the fixing components 3 comprise fixing bolts 31, the fixing bolts 31 penetrate between the heat absorbing pipes 22 and are uniformly distributed along the length direction of the heat absorbing plate 2, the fixing bolts 31 penetrate through the heat absorbing plate 2 and are in threaded connection with the outer side wall of the rotary kiln 1, one end, far away from the heat absorbing plate 2, of the fixing bolts 31 is in threaded connection with a fixing nut 32, and the fixing nut 32 is abutted against the side wall of the rotary kiln 1.

When the heat absorbing plate 2 is fixed to the outer side wall of the rotary kiln 1, the fixing bolt 31 is first passed through the heat absorbing plate 2 and screw-coupled to the side wall of the rotary kiln 1, and then the fixing nut 32 is screw-coupled to the fixing bolt 31, thereby increasing the stability of the heat absorbing plate 2 on the outer side wall of the rotary kiln 1; when the heat absorption plate 2 needs to be detached and replaced, the fixing nut 32 is firstly rotated in the direction away from the fixing bolt 31, when the fixing nut 32 is separated from the fixing bolt 31, the fixing bolt 31 is rotated in the direction away from the heat absorption plate 2, so that the fixing bolt 31 is separated from the heat absorption plate 2, and finally the heat absorption plate 2 is removed from the rotary kiln 1, and the fixing assembly 3 is arranged, so that the stability of the heat absorption plate 2 on the outer side wall of the rotary kiln 1 is improved, and when the heat absorption plate 2 needs to be detached and replaced, the heat absorption plate 2 can be detached through the fixing assembly 3, and the flexibility of the device is improved.

Referring to fig. 1 and 2, one end of the heat absorbing pipe 22 extends to the outside of the heat absorbing plate 2 and is provided with a flow guiding assembly 4, the flow guiding assembly 4 includes a connection pipe 41 fixedly connected to the extending end of the heat absorbing pipe 22, a plurality of heat absorbing pipes 22 on the heat absorbing plate 2 are all connected to the connection pipe 41, a valve 5 is provided at one end of the connection pipe 41, and a screw cap 42 is screw-connected to one end of the connection pipe 41 provided with the valve 5.

When the water in the heat absorption tube 22 needs to be discharged and utilized, the screw cap 42 is first far away from the connecting tube 41, then a flow guide tube (not shown in the figure, the material of the flow guide tube can be a PVC hose, etc.) is connected, one end of the flow guide tube is connected to the connecting tube 41, the other end of the flow guide tube is connected to a collecting device (not shown in the figure, the collecting device is a generic term of a device which needs to utilize the hot water in the heat absorption tube 22 in the embodiment), then the valve 5 is opened, and the water flow in the heat absorption tube 22 on the heat absorption plate 2 flows out through the connecting tube 41 and flows into the collecting device along the flow guide tube for utilization. The collection and utilization of the hot water in the heat absorption pipe 22 are facilitated by providing the connection pipe 41.

Referring to fig. 1 and 2, a protective layer (not shown in the figure, the protective layer is made of corrosion-resistant material in this embodiment) is wrapped on one side of the heat absorbing plate 2 away from the rotary kiln 1, and the protective layer can protect the heat absorbing plate 2 to a certain extent due to long-term exposure of the heat absorbing plate 2 outdoors, so that the service life of the heat absorbing plate 2 is prolonged.

The implementation principle of the embodiment of the application is as follows: before the rotary kiln 1 works, the heat absorbing plate 2 is fixed on the outer side wall of the rotary kiln 1 through the fixing component 3, redundant heat generated in the working process of the rotary kiln 1 can be absorbed by water flow in the heat absorbing pipe 22 in the heat absorbing plate 2, when the water flow in the heat absorbing pipe 22 is needed to be utilized, the threaded cover 42 can be opened, then the flow guiding pipe is connected, and the water flow which absorbs the heat is guided into the collecting device through the guiding function of the connecting pipe 41 and the flow guiding pipe to be utilized, so that the energy loss is reduced, the energy utilization rate is improved, and when the heat absorbing plate 2 needs to be disassembled and replaced, the heat absorbing plate 2 can be disassembled through the fixing component 3, so that the overall flexibility of the device is improved.

The embodiments of this embodiment are all preferred embodiments of the present application, and are not intended to limit the scope of the present application, in which like parts are denoted by like reference numerals. Therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. The utility model provides a rotary kiln waste heat recovery device, sets up at rotary kiln (1) lateral wall, a serial communication port, including absorber plate (2), absorber plate (2) inside is provided with absorber tube (22) of depositing the rivers, absorber tube (22) one end extends to absorber plate (2) outside, and is provided with water conservancy diversion subassembly (4), water conservancy diversion subassembly (4) include connecting pipe (41), connecting pipe (41) and a plurality of absorber tube (22) intercommunication each other, connecting pipe (41) one end threaded connection has screw cap (42), the one end that connecting pipe (41) were provided with screw cap (42) is provided with valve (5).

2. A rotary kiln waste heat recovery device according to claim 1, characterized in that the heat absorbing plate (2) is provided with a fixing assembly (3) for fixing the heat absorbing plate (2).

3. The rotary kiln waste heat recovery device according to claim 2, wherein the fixing assembly (3) comprises a fixing bolt (31), the fixing bolt (31) is in threaded connection with the heat absorbing plate (2), one end of the fixing bolt (31) away from the heat absorbing plate (2) penetrates through the heat absorbing plate (2) and is in threaded connection with the rotary kiln (1), one end of the fixing bolt (31) away from the heat absorbing plate (2) is in threaded connection with a fixing nut (32), and the fixing nut (32) is abutted to the side wall of the rotary kiln (1).

4. A rotary kiln waste heat recovery device according to claim 1, characterized in that the number of heat absorbing pipes (22) is several.

5. The rotary kiln waste heat recovery device according to claim 1, wherein a protective layer is wrapped on one side of the heat absorbing plate (2) away from the rotary kiln (1).