Dual-cooled explosion-proof hammer mill
Patent Information
- Application Number
- CN202521434799.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-07-09
- Publication Date
- 2026-08-21
- Estimated Expiration
- 2035-07-09
AI Technical Summary
[0003]为了适用于化工、制药、食品、染料、涂料等多个行业中易燃易爆、易氧化等危险物料的粉碎处理,如煤粉、硫磺、硝酸钾、含有脂肪或油脂的食品原料、部分制药原料及一些塑料、橡胶、纤维等,因此,需要使用到防爆锤式粉碎机,但是传统的防爆锤式粉碎机不便于对粉碎仓内进行双冷却,在粉碎过程中,物料与锤头、衬板等部件会因冲击,摩擦而产生大量热量,若不能及时冷却,对于一些热敏性物料,可能会导致其性能改变,变质甚至发生化学反应
本实用新型通过设置框体、冷却夹套、滤框、进液管、出液管、安装框和风扇可便于对框体内腔进行双冷却,冷却系统能有效降低粉碎腔的温度,避免因温度过高引发物料爆炸,为易燃易爆环境中的粉碎作业提供可靠的安全保障,能避免其融化、粘结,确保物料的原有特性和品质,有利于后续的加工和使用。
Smart Images

Figure CN224656878U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of crushing equipment technology, specifically a double-cooled explosion-proof hammer crusher. Background Technology
[0002] A crusher is a device that uses mechanical force to break solid materials. Through the high-speed rotation or reciprocating motion of components such as hammers and blades, it applies impact, shearing, and grinding forces to the material, reducing its particle size. It is widely used in mining, chemical, and building materials industries. Different crushing chamber structures and screening systems can be designed according to requirements to achieve efficient crushing operations.
[0003] To facilitate the crushing of flammable, explosive, and easily oxidized hazardous materials in various industries such as chemical, pharmaceutical, food, dye, and coating, including coal powder, sulfur, potassium nitrate, food raw materials containing fats or oils, some pharmaceutical raw materials, and some plastics, rubbers, and fibers, explosion-proof hammer mills are required. However, traditional explosion-proof hammer mills do not facilitate dual cooling within the crushing chamber. During the crushing process, the material and components such as the hammers and liners generate a large amount of heat due to impact and friction. If not cooled in time, some heat-sensitive materials may experience changes in their properties, deterioration, or even chemical reactions. Utility Model Content
[0004] The purpose of this invention is to provide a dual-cooling explosion-proof hammer mill to solve the problems mentioned in the background art.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a dual-cooling explosion-proof hammer mill, comprising a workbench and a frame, wherein the frame is fixed to the inner wall of the workbench, a cooling jacket is fixedly connected to the inner wall of the frame, and a filter frame is fixedly connected to the inner wall of the cooling jacket. Both the inlet pipe and the outlet pipe are connected to the inner wall of the cooling jacket; Two sets of mounting frames are respectively installed on both sides of the frame body, and a fan is fixedly connected to the inner wall of the mounting frame.
[0006] Preferably, a motor is fixedly connected to one side of the frame, and a rotating rod is fixedly connected to the output end of the motor.
[0007] Preferably, a fixed plate is fixedly connected to the outer side of the rotating rod, and multiple sets of hammers for crushing materials are fixedly connected to the outer side of the fixed plate, with the multiple sets of hammers arranged in a ring around the outer side of the fixed plate.
[0008] Preferably, the inner wall of the filter frame is equipped with a filter screen for screening materials, and the inner wall of the frame is fixedly connected with a feed frame for adding materials.
[0009] Preferably, the inner wall of the mounting frame is fitted with a dustproof mesh for protecting the fan from dust.
[0010] Preferably, the bottom of the workbench is fixedly connected to two sets of cross brackets, and the bottom of each set of cross brackets is fixedly connected to a base.
[0011] Preferably, a support rod is fixedly connected between the workbench and the base, and the number of support rods is set to multiple sets.
[0012] Compared with the prior art, the beneficial effects of this utility model are as follows: This utility model, by setting up a frame, cooling jacket, filter frame, liquid inlet pipe, liquid outlet pipe, mounting frame and fan, can facilitate dual cooling of the inner cavity of the frame. The cooling system can effectively reduce the temperature of the crushing chamber, avoid material explosion caused by excessive temperature, provide reliable safety guarantee for crushing operations in flammable and explosive environments, prevent melting and sticking, ensure the original characteristics and quality of the material, and facilitate subsequent processing and use. Attached Figure Description
[0013] Figure 1 A schematic diagram of a preferred embodiment of the dual-cooling explosion-proof hammer mill provided by this utility model; Figure 2 A schematic diagram of the workbench and frame structure provided by this utility model; Figure 3 A schematic diagram of the frame and mounting frame structure provided by this utility model; Figure 4 A schematic diagram of the frame and cooling jacket structure provided by this utility model.
[0014] In the diagram: 1. Workbench; 2. Frame; 3. Cooling jacket; 4. Filter frame; 5. Inlet pipe; 6. Outlet pipe; 7. Mounting frame; 8. Fan; 9. Motor; 10. Rotating rod; 11. Fixed plate; 12. Hammer; 13. Filter screen; 14. Feed frame; 15. Dustproof net; 16. Cross bracket; 17. Base; 18. Support rod. Detailed Implementation
[0015] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0016] Please see Figure 1-4As shown, the dual-cooling explosion-proof hammer mill includes a workbench 1, a frame 2 fixed to the inner wall of the workbench 1, a cooling jacket 3 fixedly connected to the inner wall of the frame 2, and a filter frame 4 fixedly connected to the inner wall of the cooling jacket 3; an inlet pipe 5 and an outlet pipe 6, both connected to the inner wall of the cooling jacket 3; two sets of mounting frames 7, respectively installed on both sides of the frame 2, with a fan 8 fixedly connected to the inner wall of the mounting frames 7; the workbench 1 serves as the basic support structure of the entire mill, supporting the frame 2 and other components to ensure stable placement of the equipment; the frame 2, fixed to the inner wall of the workbench 1, forms the main frame of the mill, providing a mounting base for internal components such as the cooling jacket 3 and the filter frame 4, creating space for material crushing; the cooling jacket 3, fixed to the inner wall of the frame 2, allows coolant to flow through the inlet pipe 5 and the outlet pipe 6 to absorb the heat generated during the crushing process, achieving cooling and preventing equipment malfunction or explosion due to overheating, thus ensuring the smooth operation of the crushing process. For safety, the filter frame 4 is fixed to the inner wall of the cooling jacket 3 and is used to install the filter screen 13 for preliminary screening of the crushed material. Material that meets the particle size requirements falls through the filter screen 13 and leaks out after passing through the inner side of the cooling jacket 3. Material that does not meet the requirements continues to remain in the filter frame 4 for further crushing. The liquid inlet pipe 5 is connected to the inner wall of the cooling jacket 3 and is used to inject coolant into the cooling jacket 3 to provide a cooling medium for the cooling system. The liquid outlet pipe 6 is connected to the inner wall of the cooling jacket 3 and discharges the coolant that has absorbed heat in the cooling jacket 3 to maintain the circulation operation of the cooling system. It should be noted that the liquid inlet pipe 5 and the liquid outlet pipe 6 need to be connected to an external cooling water circulation device. The mounting frame 7 is installed on both sides of the frame 2 and is used to fix the fan 8 and the dustproof net 15. It provides a support structure for the installation and operation of the fan 8. The fan 8 is installed on the inner wall of the mounting frame 7 and generates airflow when working, which accelerates the airflow in the frame 2 and further reduces the temperature of the crushing area in conjunction with the cooling jacket 3.
[0017] A motor 9 is fixedly connected to one side of the frame 2. A rotating rod 10 is fixedly connected to the output end of the motor 9. A fixed disk 11 is fixedly connected to the outside of the rotating rod 10. Multiple sets of hammers 12 for crushing materials are fixedly connected to the outside of the fixed disk 11, and the multiple sets of hammers 12 are arranged in a ring around the outside of the fixed disk 11. The motor 9 is fixed to one side of the frame 2 and serves as the power source of the crusher. It drives the rotating rod 10 to rotate through its output end, providing power for the crushing operation. The rotating rod 10 is fixedly connected to the output end of the motor 9 to transmit the power of the motor 9, thereby driving the fixed disk 11 and the hammers 12 to rotate and crush the materials. The fixed disk 11 is fixed to the outside of the rotating rod 10 and is used to install multiple sets of hammers 12. When the hammers 12 rotate with the rotating rod 10, they form a ring-shaped crushing area to ensure the uniformity of crushing. The hammers 12 are fixed to the outside of the fixed disk 11 and are arranged in a ring. When the fixed disk 11 rotates, they impact and strike the materials, crushing them into smaller particles.
[0018] The inner wall of the filter frame 4 is equipped with a filter screen 13 for screening materials, and the inner wall of the frame 2 is fixedly connected with a feed frame 14 for adding materials. The filter screen 13 is installed on the inner wall of the filter frame 4 to screen the crushed materials, control the particle size of the materials, and allow the materials that meet the requirements to pass through, while the materials that do not meet the requirements continue to be crushed. The feed frame 14 is fixed to the inner wall of the frame 2 and is used to add the materials to be crushed into the frame 2, so that the materials can enter the crushing area.
[0019] The inner wall of the mounting frame 7 is equipped with a dustproof net 15 for protecting the fan 8 from dust. The dustproof net 15 is installed on the inner wall of the mounting frame 7 to protect the fan 8 from dust and other impurities, preventing them from entering the fan 8 and affecting its normal operation and service life.
[0020] Two sets of cross brackets 16 are fixedly connected to the bottom of the workbench 1, and a base 17 is fixedly connected to the bottom of each set of cross brackets 16. Support rods 18 are fixedly connected between the workbench 1 and the base 17, and the number of support rods 18 is set to multiple sets. The cross brackets 16 are fixed to the bottom of the workbench 1. The two sets of cross brackets 16 cooperate with the base 17 and support rods 18 to enhance the stability of the equipment and prevent the equipment from shaking or tilting during operation. The base 17 is fixed to the bottom of the cross brackets 16 to increase the contact area between the equipment and the ground, further improving the stability of the equipment. The support rods 18 are fixed between the workbench 1 and the base 17. Multiple sets of support rods 18 are evenly distributed to assist the cross brackets 16 in supporting the workbench 1 and ensuring the stability of the equipment structure.
[0021] Working principle: When the double-cooled explosion-proof hammer mill is working, when the mineral material enters the frame 2 from the feed frame 14, the motor 9 starts and drives the rotating rod 10 to rotate, and the fixed plate 11 rotates accordingly, causing the ring-shaped hammers 12 to rotate at high speed and impact and crush the material. During the crushing process, the cooling jacket 3 is connected to the coolant through the liquid inlet pipe 5, which absorbs the heat generated by crushing and discharges it through the liquid outlet pipe 6, achieving initial cooling. At the same time, the fans 8 on both sides of the frame 2 operate to accelerate the air flow, which, together with the cooling jacket 3, further reduces the temperature and enhances the explosion-proof effect. The crushed material falls into the filter frame 4. The material that meets the particle size requirements passes through the filter screen 13 and leaks out through the inside of the cooling jacket 3. The material that does not meet the particle size requirements continues to remain in the filter frame 4 and is crushed by the hammers 12. The dustproof net 15 can prevent dust from entering the fan 8 and ensure its normal operation.
[0022] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.
[0023] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A double-cooled explosion-proof hammer mill, comprising a workbench (1), characterized in that, Also includes: A frame (2) is fixed to the inner wall of the workbench (1). A cooling jacket (3) is fixedly connected to the inner wall of the frame (2). A filter frame (4) is fixedly connected to the inner wall of the cooling jacket (3). The inlet pipe (5) and the outlet pipe (6) are both connected to the inner wall of the cooling jacket (3); Two sets of mounting frames (7) are respectively installed on both sides of the frame (2), and a fan (8) is fixedly connected to the inner wall of the mounting frame (7).
2. The dual-cooling explosion-proof hammer mill according to claim 1, characterized in that: A motor (9) is fixedly connected to one side of the frame (2), and a rotating rod (10) is fixedly connected to the output end of the motor (9).
3. The dual-cooling explosion-proof hammer mill according to claim 2, characterized in that: A fixed disk (11) is fixedly connected to the outside of the rotating rod (10), and multiple sets of hammers (12) for crushing materials are fixedly connected to the outside of the fixed disk (11), and the multiple sets of hammers (12) are arranged in a ring around the outside of the fixed disk (11).
4. The dual-cooling explosion-proof hammer mill according to claim 1, characterized in that: The inner wall of the filter frame (4) is equipped with a filter screen (13) for screening materials, and the inner wall of the frame (2) is fixedly connected with a feed frame (14) for adding materials.
5. The dual-cooling explosion-proof hammer mill according to claim 1, characterized in that: The inner wall of the mounting frame (7) is fitted with a dustproof net (15) for dust protection of the fan (8).
6. The dual-cooling explosion-proof hammer mill according to claim 1, characterized in that: The bottom of the workbench (1) is fixedly connected to two sets of cross brackets (16), and the bottom of each set of cross brackets (16) is fixedly connected to a base (17).
7. The dual-cooling explosion-proof hammer mill according to claim 1, characterized in that: A support rod (18) is fixedly connected between the workbench (1) and the base (17), and the number of support rods (18) is set to multiple sets.