CN219995867U

CN219995867U - Roller furnace cooling device

Info

Publication number: CN219995867U
Application number: CN202321336693.2U
Authority: CN
Inventors: 伍红平; 江海生; 陈方伟; 孙鹏飞
Original assignee: Hengli Eletek Co ltd
Current assignee: Hengli Eletek Co ltd
Priority date: 2023-05-30
Filing date: 2023-05-30
Publication date: 2023-11-10
Anticipated expiration: 2033-05-30

Abstract

The utility model relates to the production field, in particular to a roller hearth furnace cooling device which comprises a cooling box communicated with an outlet of the roller hearth furnace, wherein conveying rollers are uniformly arranged in the cooling box along the length direction so as to convey saggers in the roller hearth furnace outwards, air cooling pipes are also uniformly arranged at the top and/or the bottom of the cooling box along the length direction of the cooling box, and the air cooling pipes are arranged in parallel with the conveying rollers and can spray air curtains along the vertical direction, so that two adjacent groups of saggers can be separated through the air curtains. The utility model greatly improves the cooling speed of the roller kiln sintered product and improves the production efficiency of the product.

Description

Roller furnace cooling device

Technical Field

The utility model relates to the field of production, in particular to a roller hearth furnace cooling device.

Background

The roller kiln is a tunnel kiln with a long and narrow section, and can be applied to material sintering in the lithium battery industry; the roller kiln consists of a roller bed formed by parallel arrangement and crossing the cross section of the kiln working channel, after the sagger is placed on the roller bed, the product to be sintered is placed in the sagger, and is conveyed into the kiln along with the rotation of the roller, and the sintering process is completed in the kiln.

The roller kiln needs to cool the product in the final stage of the product sintering operation, and the cooling mode adopted in the industry at present is to directly introduce normal temperature or cooling gas into the roller kiln for cooling; as shown in patent number CN214470013U, cold air flow is continuously introduced into the roller hearth furnace through a blower, so that heat exchange is formed between the cold air and hot air in the roller hearth furnace, and the cooling effect is achieved; in the actual production process, because the hot air volume in the roller hearth furnace is larger, the introduced cold air flow volume is smaller, and a great amount of time is required to be consumed to introduce enough cold air to exchange heat with the hot air in the roller hearth furnace, the heat exchange cooling work of the sintered product is completed, the cooling speed is low, and the production efficiency of the product is lower, so that the problem needs to be solved.

Disclosure of Invention

In order to avoid and overcome the technical problems in the prior art, the utility model provides a roller hearth furnace cooling device. The utility model greatly improves the cooling speed of the roller kiln sintered product and improves the production efficiency of the product.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a roller table stove cooling device, includes the cooler bin with roller table stove export intercommunication, evenly arranges the conveyer roller in the cooler bin along length direction in order to outwards convey the sagger in the roller table stove, and the top and/or the bottom of cooler bin still evenly have arranged the forced air cooling pipe along cooler bin length direction, and forced air cooling pipe and conveyer roller parallel arrangement and can follow plumb direction and spray the air curtain to through the adjacent two sets of saggers of accessible air curtain separation.

As a further scheme of the utility model: and a second water cooling pipe which is arranged vertically opposite to the air cooling pipe is also arranged in the cooling box, and the pipe body of the second water cooling pipe is positioned on the air curtain injection path of the air cooling pipe.

As still further aspects of the utility model: the cooling box comprises a cooling box body, wherein the box walls on two sides of the cooling box body are provided with mounting grooves, a water cooling seat is detachably fixed in the mounting grooves, and a first water cooling pipe which is arranged in an S-shaped track is arranged on the water cooling seat.

As still further aspects of the utility model: the second water-cooling pipe and the first water-cooling pipe are fin water-cooling pipes, and the first water-cooling pipe and the second water-cooling pipe are communicated with an external water source through a circulating water pump so that cooling water is in a circulating flow state.

As still further aspects of the utility model: the conveying roller is fixed in the cooling box through the supporting seat, one end of the conveying roller extends out of the cooling box, a driving motor is arranged outside the cooling box, and the driving motor is in transmission fit with one end of the conveying roller, which is located outside the cooling box, through a gear chain.

As still further aspects of the utility model: an exhaust port is formed in the top of the cooling box, and an exhaust fan is arranged at the exhaust port and is communicated with an air cooling pipe positioned at the top of the cooling box.

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

1. according to the utility model, the air cooling pipes are arranged in the cooling box, hot air in the roller way furnace can be isolated through the air curtains generated by the air cooling pipes, and the hot air with high temperature is prevented from entering the cooling box so as to achieve the effect of isolating heat in the roller way furnace, and the temperature of the gas in the cooling box is ensured to be in a low-temperature state compared with the temperature of the gas in the roller way furnace; when the sagger is conveyed forwards on the conveying roller, the jet air curtain of the air cooling pipe can also directly conduct convection heat dissipation on the through sagger, so that the cooling speed of the sintered product of the roller hearth furnace is greatly improved, and the production efficiency of the product is improved.

2. The cooling box is internally provided with the second water cooling pipes which are oppositely arranged with the air cooling pipes, and the second water cooling pipes are fin water cooling pipes which can cool the gas in the cooling box in a water cooling mode; because the position of the air curtain of the air cooling pipe corresponds to that of the second water cooling pipe, the gas heat exchange temperature gradually rises in the process of jetting the air curtain from top to bottom, and the high-temperature air flow passes through the second water cooling pipe body to exchange heat so as to achieve the cooling effect, reduce the gas temperature in the cooling box and improve the cooling speed.

3. The detachable first water cooling pipes are arranged on the tank walls at the two sides of the cooling tank, so that a modularized assembly effect is achieved; the first water cooling pipes are also arranged as fin water cooling pipes, and can exchange heat and cool the gas in the cooling box while cooling the box wall of the cooling box, so that the cooling efficiency in the cooling box is maximized under the cooperation of the first water cooling pipes, the second water cooling pipes and the air cooling pipes; the S-shaped arrangement of the first water-cooled tubes maximizes the routing path thereof.

4. According to the utility model, each water cooling pipe is communicated with an external water source through the circulating water pump, so that cooling water in the water cooling pipe is kept in a circulating flow state, and the pipe body temperature of the water cooling pipe is ensured to be constant in a low-temperature state; the end part of the conveying roller extends out of the cooling box and then is in transmission fit with the driving motor, so that the driving motor can be prevented from being influenced by high temperature, and meanwhile, the driving motor can provide stable power output for each conveying roller.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

In the figure:

1. a cooling box; 11. a conveying roller; 111. a driving motor;

12. an air-cooled tube; 13. a water cooling seat; 131. a first water-cooled tube;

14. a second water-cooled tube; 15. an exhaust port; 2. a sagger.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1, in an embodiment of the present utility model, a roller furnace cooling device includes a cooling box 1 with long and straight box-shaped openings at front and rear ends, where the cooling box 1 is communicated with an outlet of the roller furnace. Conveying rollers 11 are uniformly arranged in the cooling box 1 at intervals along the length direction, and the conveying rollers 11 can receive saggers 2 from a roller hearth furnace and continuously convey the saggers 2 forwards.

The power of each conveying roller 11 is provided by a driving motor 111 arranged outside the cooling box 1, and supporting seats are arranged at two ends of the conveying rollers 11 in the cooling box 1, and the supporting seats are not limited in form, can be bearing structures and can form two-point support for the conveying rollers 11. One end of the conveying roller 11 extends outside the cooling box 1 so as to form a transmission with the driving motor 111, and the specific transmission form is not limited.

For example, the conveying rollers 11 may be directly and coaxially fixed on the motor shaft of the driving motor 111, gears may be coaxially fixed between the conveying rollers 11, and when the driving motor 111 drives one group of conveying rollers 11 to rotate through gear transmission, the conveying rollers 11 synchronously rotate. The conveying roller 11 may also be provided with a gear at an end thereof, and the driving motor 111 is provided with a gear correspondingly on a motor shaft, and drives the conveying roller 11 to rotate through a gear chain transmission.

The number of the driving motors 111 is not limited, and only one group may be arranged, or the same number as the number of the conveying rollers 11 may be arranged, and each conveying roller 11 may be independently driven. The material of the conveying roller 11 is preferably silicon carbide, and a broken rod detecting baffle is arranged at one end of the conveying roller far away from the driving motor 111 to detect whether the conveying roller 11 is broken or not so as to ensure the safety during operation.

A thermocouple detection module may be arranged on top of the cooling tank 1 to detect the temperature within the cooling tank 1 in real time. An air cooling box serving as an air source is arranged at the top of the cooling box 1, and an air cooling pipe 12 is arranged at the top inside the cooling box 1. The air-cooling tubes 12 are arranged in plural groups, uniformly arranged along the length direction of the cooling box 1, each air-cooling tube 12 and the conveying roller 11 are arranged in parallel with each other, and the air-cooling tubes 12 are preferably fin air-cooling tubes 12.

An air outlet is formed in the pipe body of each air cooling pipe 12 along the length direction, each air cooling pipe 12 is communicated with an air cooling box, and after a blower in the air cooling box is started, jet air flow along the vertical direction can be generated through the air cooling pipes 12, so that an air curtain is formed. The length of each air cooling pipe 12 is matched with the width of the box body of the cooling box 1, and after the jet air curtain is generated, the air flow jetted by the air cooling pipes 12 passes through the gap between the adjacent conveying rollers 11, and the inner box of the cooling box 1 is uniformly separated along the length direction by the air curtain.

At least one group of exhaust ports 15 are also arranged at the top of the cooling box 1, exhaust fans are arranged at the exhaust ports 15 to extract gas in the cooling box 1, and flow valves can be arranged on the air cooling pipes 12 to measure the air inlet flow.

The bottom of the cooling box 1 is also provided with a second water-cooled tube 14, preferably a fin water-cooled tube, which second water-cooled tube 14 is preferably secured in the box by a fin seal and a fin seal cover. The second water cooling pipe 14 is disposed opposite the air cooling pipe 12 from top to bottom. The second water-cooled tube 14 is located in the jet path of the air curtain of the air-cooled tube 12.

The cooling box 1 is also provided with mounting grooves at intervals along the length direction, and the detachable water cooling seat 13 is fixed in the mounting grooves. The water cooling seat 13 is arranged on a seat body in the cooling box 1, and a first water cooling pipe 131 which is arranged in an S-shaped track is arranged on the seat body, and the first water cooling pipe 131 is preferably a fin water cooling pipe. The first water cooling pipe 131 and the second water cooling pipe 14 are communicated with an external water source through a circulating water pump, so that the cooling water is in a circulating flow state.

The basic principles of the present utility model have been described above in connection with specific embodiments, however, it should be noted that the advantages, benefits, effects, etc. mentioned in the present utility model are merely examples and not intended to be limiting, and these advantages, benefits, effects, etc. are not to be considered as essential to the various embodiments of the present utility model. Furthermore, the specific details disclosed herein are for purposes of illustration and understanding only, and are not intended to be limiting, as the utility model is not necessarily limited to practice with the above described specific details.

The block diagrams of the devices, apparatuses, devices, systems referred to in the present utility model are only illustrative examples and are not intended to require or imply that the connections, arrangements, configurations must be made in the manner shown in the block diagrams. As will be appreciated by one of skill in the art, the devices, apparatuses, devices, systems may be connected, arranged, configured in any manner. Words such as "including," "comprising," "having," and the like are words of openness and mean "including but not limited to," and are used interchangeably therewith. The terms "or" and "as used herein refer to and are used interchangeably with the term" and/or "unless the context clearly indicates otherwise. The term "such as" as used herein refers to, and is used interchangeably with, the phrase "such as, but not limited to.

It is also noted that in the apparatus, devices and methods of the present utility model, the components or steps may be disassembled and/or assembled. Such decomposition and/or recombination should be considered as equivalent aspects of the present utility model.

The previous description of the disclosed aspects is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these aspects will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other aspects without departing from the scope of the utility model. Thus, the present utility model is not intended to be limited to the aspects shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

The foregoing description has been presented for purposes of illustration and description. Furthermore, this description is not intended to limit embodiments of the utility model to the form disclosed herein. Although a number of example aspects and embodiments have been discussed above, a person of ordinary skill in the art will recognize certain variations, modifications, alterations, additions, and subcombinations thereof.

Claims

1. The roller hearth furnace cooling device is characterized by comprising a cooling box (1) communicated with an outlet of the roller hearth furnace, conveying rollers (11) are uniformly arranged in the cooling box (1) along the length direction to convey saggers (2) in the roller hearth furnace outwards, air cooling pipes (12) are also uniformly arranged at the top and/or bottom of the cooling box (1) along the length direction of the cooling box (1), and the air cooling pipes (12) are arranged in parallel with the conveying rollers (11) and can spray air curtains along the vertical direction, so that two adjacent groups of saggers (2) can be separated through the air curtains;

the cooling box (1) is internally provided with a second water cooling pipe (14) which is arranged opposite to the air cooling pipe (12) from top to bottom, and the pipe body of the second water cooling pipe (14) is positioned on the air curtain injection path of the air cooling pipe (12).

2. The roller hearth furnace cooling device according to claim 1, wherein the tank walls on two sides of the cooling tank (1) are provided with mounting grooves, the water cooling seat (13) is detachably fixed in the mounting grooves, and the water cooling seat (13) is provided with a first water cooling pipe (131) arranged in an S-shaped track.

3. The roller hearth furnace cooling device according to claim 2, wherein the second water cooling pipe (14) and the first water cooling pipe (131) are fin water cooling pipes, and the first water cooling pipe (131) and the second water cooling pipe (14) are communicated with an external water source through a circulating water pump so that cooling water is in a circulating flow state.

4. A roller hearth furnace cooling apparatus according to any one of claims 1 to 3, wherein the conveying roller (11) is fixed in the cooling tank (1) through a supporting seat, one end of the conveying roller (11) extends out of the cooling tank (1), a driving motor (111) is arranged outside the cooling tank (1), and the driving motor (111) is in transmission fit with one end of the conveying roller (11) located outside the cooling tank (1) through a gear chain.

5. A roller hearth furnace cooling apparatus according to any one of claims 1 to 3, characterized in that the top of the cooling box (1) is provided with an exhaust port (15), and that the exhaust port (15) is provided with an exhaust fan to communicate with an air cooling pipe (12) located at the top of the cooling box (1).