Novel waste heat recovery system special for lithium battery kiln
By designing a combination of kilns, buffer tanks, incinerators, waste heat utilization equipment and high-temperature fans in lithium battery kilns, combined with maintenance devices and gas sensors, the problem of blockage in the waste heat recovery system of lithium battery kilns is solved, and the stability of the system is improved and efficiency.
Patent Information
- Application Number
- CN202420458895.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-11
- Publication Date
- 2024-12-10
- Estimated Expiration
- 2034-03-11
AI Technical Summary
Existing lithium battery furnaces usually do not have a waste heat recovery system, or the waste heat recovery system is prone to blockage, resulting in inefficiency.
A new waste heat recovery system including kilns, buffer tanks, incinerators, waste heat utilization equipment and high-temperature fans was designed. The maintenance device and gas sensors were used to detect the sealing of the sealing cover plate, and buffering was achieved through the solenoid valve and partition chamber design. , avoid blockage of impurity particles.
It effectively solves the problem of blockage in the waste heat recovery system of the lithium battery furnace, improves the stability and efficiency of the system, and ensures sealing and convenient maintenance.
Smart Images

Figure CN222143786U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a waste heat recovery system, in particular to a new waste heat recovery system specially used for a lithium-ion furnace. Background Art
[0002] Kilns include roller kilns, push plate kilns, rotary kilns and other kilns. Main application areas: 1 Industrial production: Industrial kilns are widely used in various industrial production fields, such as battery positive electrode materials, battery negative electrode materials, steel manufacturing, cement production, ceramic manufacturing, glass manufacturing, etc. Among them, cement sintering kiln is a common industrial kiln, mainly used to produce cement. In the furnace, the raw materials are calcined and decomposed at high temperature to produce cement clinker, and finally cooled to make cement. Steel manufacturing requires high-temperature smelting, so high-temperature kilns are required, such as blast furnaces, electric furnaces, rolling furnaces, etc. 2 Construction field: The construction field is also an important field of kiln application, such as brick kilns for brick and tile manufacturing; gypsum kilns for wall decoration; heating furnaces for home heating, etc., can also be used in cement, glass, ceramics, lime and other fields. 3 Food processing: In the fields of cooking and food processing, kilns are also an important heating equipment, such as ovens, stoves, barbecue grills, etc. Some traditional dishes also require kilns, such as roast duck and barbecue. At the same time, some special kilns, such as steam boilers, are also widely used in the food processing industry. 4 Industrial kilns are widely used in metallurgy, chemical industry, building materials, ceramics, glass, electronics, food and other industries, and their uses include sintering, smelting, roasting, drying, carbonization, sulfidation, oxidation and other processes. 5 Fine chemical industry: Kilns are widely used in the fine chemical industry, such as the production of chemicals, alumina, silicon oxide, ceramics and other fields. 6 Mining and metallurgical industry: Kilns are one of the important equipment in the mining and metallurgical industry and are used to produce steel, non-ferrous metals, refractory materials and other products. 7 Environmental protection industry: Kilns play an important role in the environmental protection industry and are used to deal with waste, waste gas, wastewater and other problems. For example, they are widely used in garbage incineration, sludge treatment and other fields.
[0003] Existing lithium battery kilns generally do not have waste heat recovery systems, or the waste heat recovery systems are easily clogged. Summary of the invention
[0004] The utility model provides a new type of waste heat recovery system for lithium-ion furnaces. The specific scheme is as follows:
[0005] A new type of waste heat recovery system specially used for lithium battery kiln, comprising a kiln, a buffer tank, an incinerator, waste heat utilization equipment and a high-temperature fan arranged in sequence, the waste heat utilization equipment comprising a waste heat utilization equipment casing, a maintenance device is provided at the bottom of the waste heat utilization equipment casing, the maintenance device comprises a sealing cover plate and a maintenance device casing, the bottom of the waste heat utilization equipment casing comprises a maintenance opening, a sealing cover plate is provided on the maintenance opening, the maintenance device casing is matched with the sealing cover plate, and the maintenance device casing and the waste heat utilization equipment casing form a cavity.
[0006] A gas sensor is arranged in the cavity, and is used to sense whether there is gas leakage in the cavity, so as to detect the sealing performance of the sealing cover plate.
[0007] The sealing cover plate is fixed to the bottom of the waste heat utilization device by bolts, and can be firmly fixed and easily disassembled.
[0008] The housing of the maintenance device comprises a frame body, and a cover plate is slidably connected to the frame body. The cover plate can be cut open during maintenance.
[0009] The cover plate is provided with a handle to facilitate sliding the cover plate.
[0010] The buffer tank includes a partition bin and a central bin, the kilns are multiple, and the partition bins and kilns are arranged one by one, and a solenoid valve is arranged on one side of the partition bin close to the central bin. The above design can better achieve buffering.
[0011] The utility model discloses a new type of waste heat recovery system specially used for lithium battery kiln, comprising a kiln, a buffer tank, an incinerator, waste heat utilization equipment and a high-temperature fan arranged in sequence; wherein a maintenance device is provided at the bottom of the shell of the waste heat utilization equipment, and during maintenance, the shell of the maintenance device is opened, and the sealing cover is opened for maintenance (this is because the gas recovered from waste heat may contain impurity particles, which may clog the waste heat utilization equipment if used for a long time). BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 This is a structural schematic diagram of a new type of waste heat recovery system dedicated to a lithium-ion kiln in the utility model;
[0013] Figure 2 This is a partial structural diagram of a new type of waste heat recovery system for lithium-ion kiln furnaces in this utility model. Figure 1 ;
[0014] Figure 3 This is a partial structural diagram of a new type of waste heat recovery system for lithium-ion kiln furnaces in this utility model. Figure 2 ;
[0015] Figure 4 This is a partial structural diagram of a new type of waste heat recovery system for lithium-ion kiln furnaces in this utility model. Figure 3 ;
[0016] The numbers include: 1. Kiln; 2. Buffer tank; 21. Partition bin; 22. Central bin; 3. Incinerator; 4. Waste heat utilization equipment; 41. Waste heat utilization equipment casing; 42. Maintenance opening; 5. High-temperature fan; 6. Maintenance device; 61. Sealing cover; 62. Maintenance device casing; 63. Gas sensor; 64. Frame; 65. Cover; 66. Handle. DETAILED DESCRIPTION
[0017] Combine the following Figure 1-4 For further explanation:
[0018] A new type of waste heat recovery system specially used for a lithium battery kiln comprises a kiln 1, a buffer tank 2, an incinerator 3, a waste heat utilization device 4 and a high-temperature fan 5 which are arranged in sequence. The waste heat utilization device 4 comprises a waste heat utilization device housing 41. A maintenance device 6 is provided at the bottom of the waste heat utilization device housing 41. The maintenance device 6 comprises a sealing cover plate 61 and a maintenance device housing 62. The bottom of the waste heat utilization device housing 41 comprises a maintenance opening 42. A sealing cover plate 61 is provided on the maintenance opening 42. The maintenance device housing 62 is matched with the sealing cover plate 61, and the maintenance device housing 62 and the waste heat utilization device housing 41 form a cavity.
[0019] A gas sensor 63 is provided in the cavity. The gas sensor 63 is used to sense whether there is gas leakage in the cavity, thereby detecting the sealing performance of the sealing cover plate 61.
[0020] The sealing cover plate 61 is fixed to the bottom of the waste heat utilization device 4 by bolts. It can be firmly fixed and conveniently disassembled. The maintenance device housing 62 includes a frame 64, and a cover plate 65 is slidably connected to the frame 64. The cover plate 65 can be cut open during maintenance.
[0021] The cover plate 65 is provided with a handle 66 to facilitate sliding the cover plate 65.
[0022] The buffer tank 2 includes a partition chamber 21 and a central chamber 22. The kiln 1 is composed of several strips, and the partition chambers 21 and the track kiln 1 are arranged one by one. A solenoid valve is arranged on one side of the partition chamber 21 close to the central chamber 22. The above design can better achieve buffering.
[0023] The utility model discloses a new type of waste heat recovery system for lithium battery kiln, comprising a kiln 1, a buffer tank 2, an incinerator 3, a waste heat utilization device 4 and a high temperature fan 5 arranged in sequence; wherein a maintenance device 6 is provided at the bottom of the waste heat utilization device housing 41, and during maintenance, the maintenance device housing 62 is opened, and the sealing cover 61 is opened for maintenance (this is because the waste heat recovery gas will contain impurity particles, which will clog the waste heat utilization device if used for a long time). Moreover, a gas sensor 63 is arranged in the cavity formed by the maintenance device housing 62 and the waste heat utilization device housing 41, and can detect whether there is a gas leak.
[0024] The above description is not a limitation of the design of the utility model, and the design of the utility model is not limited to the above examples. Changes, modifications, additions or substitutions made by ordinary technicians in this technical field within the essential scope of the design of the utility model also fall within the protection scope of the design of the utility model.
Claims
1. A new type of waste heat recovery system for lithium battery kilns, Features: It includes a kiln, a buffer tank, an incinerator, waste heat utilization equipment and a high-temperature fan which are arranged in sequence. The waste heat utilization equipment includes a waste heat utilization equipment casing. A maintenance device is provided at the bottom of the waste heat utilization equipment casing. The maintenance device includes a sealing cover plate and a maintenance device casing. The bottom of the waste heat utilization equipment casing includes a maintenance opening. A sealing cover plate is provided on the maintenance opening. The maintenance device casing is matched with the sealing cover plate, and the maintenance device casing and the waste heat utilization equipment casing form a cavity.
2. A new type of waste heat recovery system for lithium battery kiln as claimed in claim 1, Features: A gas sensor is arranged in the cavity.
3. A new type of waste heat recovery system for lithium battery kiln as claimed in claim 1, Features: The sealing cover plate is fixed to the bottom of the waste heat utilization equipment by bolts.
4. A new type of waste heat recovery system for lithium battery kiln as claimed in claim 1, Features: The housing of the maintenance device comprises a frame body, and a cover plate is slidably connected to the frame body.
5. A new type of waste heat recovery system for lithium battery kiln as claimed in claim 4, Features: The cover plate is provided with a handle.
6. A new type of waste heat recovery system for lithium battery kiln as claimed in claim 1, Features: The buffer tank comprises a partition bin and a central bin, the kilns are multiple, and the partition bins and kilns are arranged in one-to-one correspondence, and a solenoid valve is provided on one side of the partition bin close to the central bin.
