Ceramsite production device with screening function

By designing a ceramic granule production device with shock-absorbing and stable support, automatic screening, sterilization and circulating filtration functions, the problem that existing devices cannot perform accurate screening is solved, and high-quality and efficient production of ceramic granule products is achieved, while saving resources.

CN222739672UActive Publication Date: 2025-04-11FUJIAN MINGNENG NEW BUILDING MATERIAL CO LTD
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Patent Information

Application Number
CN202421982446.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-15
Publication Date
2025-04-11
Estimated Expiration
2034-08-15

AI Technical Summary

Technical Problem

Most of the existing ceramic pellet production devices have only rough screening structures, which makes it impossible to rinse the outside of the ceramic pellet, and thus cannot achieve accurate screening.

Method used

A ceramic production device including a shock-absorbing and stable support assembly, a ceramic automatic screening and sterilization assembly and a circulating filtration assembly were designed. The device flushes the soil outside the ceramic by circulating the filtration component to achieve accurate screening, and the ceramic is carefully screened and disinfected at high temperature through the automatic screening and sterilization component of the ceramic.

Benefits of technology

The precise flushing and screening of the soil outside the ceramic is achieved, the quality and performance of the ceramic products are improved, and the needs of different application scenarios are met. At the same time, the production efficiency is improved, manual operation and production costs are reduced, and water resources are saved through the recycling of disinfectant water.

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Abstract

The utility model relates to the field of ceramsite production devices, in particular to a ceramsite production device with a screening function. The technical problem that most ceramsite production devices are only provided with rough screening structures, so that the outer sides of ceramsite cannot be flushed, and precise screening cannot be conducted is solved. According to the technical scheme, the ceramsite production device with the screening function comprises a ceramsite production device body. The whole device can be stably supported through the damping stable supporting assembly, vibration generated in the production process can be timely damped and protected, ceramsite can be finely screened through the ceramsite automatic screening and sterilizing assembly, the ceramsite automatic screening and sterilizing assembly has the high-temperature disinfection function, unqualified ceramsite products can be effectively removed, and the production efficiency is improved. The quality and performance of the product are improved, the circulating washing and filtering assembly can wash mud outside the ceramsite in time, the purpose of precise screening is achieved, disinfectant fluid for washing is filtered and recycled, and the purpose of saving resources is achieved.
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Description

Technical Field

[0001] The utility model relates to the field of ceramsite production devices, in particular to a ceramsite production device with a screening function. Background Art

[0002] The ceramsite production device with screening function is an important ceramsite production equipment, which is mainly used for screening and grading ceramsite products to meet the needs of different application scenarios. The device is usually composed of multiple components, including vibrating screens, screening components, adjustment devices, cleaning systems, conveying systems, intelligent control systems and energy-saving and environmentally friendly designs. The functions of the ceramsite production device with screening function mainly include: improving product quality: the screening function can effectively remove unqualified ceramsite products, improve product quality and performance, and meet the needs of different application scenarios; controlling particle size distribution: the screening device can adjust the aperture size and number of the screen as needed to achieve effective control of the particle size distribution and improve the market competitiveness of the product; improving production efficiency: the screening device can automatically screen and grade ceramsite products, reduce manual intervention, and improve production efficiency and production capacity. The importance of the expanded clay production device with screening function lies in: Quality control: The screening function is one of the key links to ensure the quality of expanded clay products, and is of great significance for improving product quality and meeting customer needs; Production efficiency: The screening device has a high degree of automation, which can improve production efficiency, reduce manual operations, and reduce production costs; Energy saving and environmental protection: A reasonable design of the screening device can improve production efficiency, reduce energy consumption and environmental pollution; Market competitiveness The screening function can improve the quality and performance of expanded clay products, increase the market competitiveness of products, and bring more business opportunities to expanded clay production companies; However, most of the existing expanded clay production devices only have a structure for rough screening, which leads to the problem that the outside of the expanded clay cannot be washed and accurately screened. The utility model provides a device that can wash and accurately screen the soil on the surface of the expanded clay as needed. Utility Model Content

[0003] In order to overcome the problem that during use, most expanded clay production devices only have a structure for rough screening, which leads to the inability to wash the outside of the expanded clay and perform accurate screening.

[0004] The technical solution of the utility model is: a ceramsite production device with a screening function, comprising a ceramsite production device body, and also comprising a shock-absorbing and stabilizing support component, a ceramsite automatic screening and sterilization component, and a circulating flushing and filtering component; the ceramsite production device body is divided into a shock-absorbing and stabilizing support component for stabilizing the support device as a whole; the upper end portion of the shock-absorbing and stabilizing support component is limitedly placed with a ceramsite automatic screening and sterilization component for automatic screening of ceramsite; the upper end portion of the ceramsite automatic screening and sterilization component is provided with a circulating flushing and filtering component for flushing the ceramsite.

[0005] Preferably, the shock-absorbing and stabilizing support component can provide stable support for the entire device, and at the same time, provide timely shock-absorbing protection for the vibrations generated during the production process, thereby extending the service life of the device and reducing noise. The automatic screening and sterilization component for expanded clay can carefully screen the expanded clay and also has the function of high-temperature disinfection. It can effectively remove unqualified expanded clay products, improve product quality and performance, and meet the needs of different application scenarios. At the same time, it can improve production efficiency, reduce manual operations, and reduce production costs. The circulating flushing and filtering component can timely flush the soil outside the expanded clay to achieve the purpose of accurate screening. At the same time, the flushing disinfectant water can be filtered and recycled to save resources.

[0006] Preferably, the shock-absorbing and stabilizing support assembly includes a load-bearing base plate, a limit adjustment enclosure, an anti-skid stabilizing pad, a damping shock-absorbing spring, a limit support placement plate and a limit protection rod; the limit adjustment enclosure is fixedly installed on the upper end of the load-bearing base plate to move the device to a suitable position, the anti-skid stabilizing pad at the lower end of the load-bearing base plate has an anti-skid stabilizing effect, the limit support placement plate at the upper end of the damping shock-absorbing spring supports the device, and the limit protection rod at the upper end of the limit support placement plate provides limit protection for the thermal insulation work box.

[0007] Preferably, a non-slip and stable pad is fixedly installed at the lower end of the load-bearing base plate; a damping and shock-absorbing spring is fixedly connected to the upper end of the load-bearing base plate; the upper end of the damping and shock-absorbing spring is fixedly connected to a limited support plate; a limited protection rod is fixedly installed on the upper end of the limited support plate, and the damping and shock-absorbing spring can provide shock-absorbing and buffering protection for the vibration generated during work; the limited support plate is limit-adjusted within the limit-adjustment enclosure to extend the service life of the device and reduce noise at the same time.

[0008] Preferably, the automatic screening and sterilization component of expanded clay includes an insulation working box, a heating strip, a sealed observation door, a limit installation frame, an adjusting spring, a clamping plate, a expanded clay sieve plate, a vibration motor and a feeding frame; an insulation working box is placed at a limit position on the upper end of the limit support placement plate; a heating strip is arranged inside the insulation working box; a sealed observation door is hingedly connected to the front end of the insulation working box, and a suitable expanded clay sieve plate is clamped into the clamping plate. According to the thickness of the expanded clay sieve plate, the adjusting spring in the limit installation frame is contracted to drive the clamping plate to firmly clamp the expanded clay sieve plate, and the expanded clay is put into the feeding frame at the upper end of the insulation working box, and the vibration motor is started, and the vibration motor drives the expanded clay sieve plate to vibrate at high speed to screen the expanded clay.

[0009] Preferably, a limit mounting frame is fixedly installed on the inner side end of the insulation working box; an adjusting spring is fixedly connected inside the limit mounting frame; a clamping plate is fixedly connected to the lower end of the adjusting spring; a ceramsite sieve plate is placed inside the clamping plate; a vibration motor is arranged on the outer side end of the insulation working box; a feeding frame is arranged on the upper end of the insulation working box, which can start the heating strip inside the insulation working box to sterilize the expanded clay at high temperature, thereby effectively removing unqualified expanded clay products, improving product quality and performance, and meeting the needs of different application scenarios.

[0010] Preferably, the circulating flushing filtration assembly includes an installation filter, an activated carbon filter, a waterproof drawer, a handle, a telescopic suction pump pipe, a water tank and a pressurized nozzle; an installation filter is fixedly installed inside the thermal insulation work box; an activated carbon filter is placed inside the installation filter, the activated carbon filter is placed inside the installation filter, the handle is pushed to push the waterproof drawer into the thermal insulation work box, disinfectant water is poured into the water tank, and sprayed from the pressurized nozzle to achieve the effect of flushing the expanded clay.

[0011] Preferably, a waterproof drawer is slidably installed at the bottom end of the thermal insulation work box; a handle is fixedly installed at the front end of the waterproof drawer; a telescopic suction pump water pipe is fixedly connected to the front end of the waterproof drawer; a water tank is fixedly installed at the upper end of the thermal insulation work box; a pressurized nozzle is provided at the lower end of the water tank, and water flows through an activated carbon filter to be filtered, enters the waterproof drawer, and is sucked into the water tank by the telescopic suction pump water pipe for recycling, thereby achieving the purpose of saving water resources.

[0012] Beneficial effects of the utility model:

[0013] 1. During use, the shock-absorbing and stabilizing support component can provide stable support for the entire device, and at the same time, provide timely shock-absorbing protection for the vibrations generated during the production process, thereby extending the service life of the device and reducing noise. The automatic screening and sterilization component for ceramsite can carefully screen the ceramsite and also has the function of high-temperature disinfection, which can effectively remove unqualified ceramsite products, improve product quality and performance, and meet the needs of different application scenarios. At the same time, it can improve production efficiency, reduce manual operations, and reduce production costs. The circulating flushing and filtering component can timely flush the soil outside the ceramsite to achieve the purpose of accurate screening, and at the same time filter and recycle the flushing disinfectant water to achieve the purpose of saving resources;

[0014] 2. Move the device to a suitable position. The anti-skid stabilizing pad at the lower end of the load-bearing bottom plate has an anti-skid stabilizing effect. The limit support placement plate at the upper end of the damping shock-absorbing spring supports the device and bears the load. The limit protection rod at the upper end of the limit support placement plate provides limit protection for the thermal insulation working box. The damping shock-absorbing spring can provide shock-absorbing and buffering protection for the vibration generated during work. The limit support placement plate is limit-adjusted within the limit adjustment enclosure to extend the service life of the device and reduce noise at the same time.

[0015] 3. Insert the appropriate ceramsite sieve plate into the clamping plate. According to the thickness of the ceramsite sieve plate, the adjustment spring in the limit installation frame will shrink, driving the clamping plate to firmly clamp the ceramsite sieve plate. Put the ceramsite into the feeding frame at the upper end of the insulation working box, start the vibration motor, and the vibration motor drives the ceramsite sieve plate to vibrate at high speed to screen the ceramsite. At the same time, the heating strip inside the insulation working box can be started to sterilize the ceramsite at high temperature, which can effectively remove unqualified ceramsite products, improve the quality and performance of the products, and meet the needs of different application scenarios.

[0016] 4. Place the activated carbon filter in the installation filter, push the handle to push the waterproof drawer into the insulation work box, fill the disinfectant water into the water tank, and spray it from the pressurized nozzle to flush the expanded clay. The water flows through the activated carbon filter for filtration, enters the waterproof drawer, and is sucked into the water tank by the telescopic suction pump water pipe for recycling, thereby saving water resources. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 What is shown is a three-dimensional structural schematic diagram of the ceramsite production device of the utility model;

[0018] Figure 2 Shown is a schematic diagram of the structure of the shock-absorbing and stabilizing support assembly of the ceramsite production device of the utility model;

[0019] Figure 3 Shown is a schematic diagram of the structure of the automatic screening and sterilization component of the ceramsite production device of the utility model;

[0020] Figure 4 Shown is a schematic diagram of the structure of a circulating flushing and filtering component of the expanded clay production device of the present invention.

[0021] Explanation of the reference numerals: 1. Body of the expanded clay production device; 2. Shock-absorbing and stabilizing support assembly; 3. Automatic screening and sterilization assembly for expanded clay; 4. Circulating flushing and filtering assembly; 201. Load-bearing bottom plate; 202. Limit adjustment enclosure; 203. Anti-slip and stabilizing pad; 204. Damping and shock-absorbing spring; 205. Limit support placement plate; 206. Limit protection rod; 301. Insulated working box; 302. Heating strip; 303. Sealed observation door; 304. Limit installation frame; 305. Adjustment spring; 306. Clamping plate; 307. Expanded clay sieve plate; 308. Vibration motor; 309. Feed frame; 401. Install filter screen; 402. Activated carbon filter screen; 403. Waterproof drawer; 404. Handle; 405. Telescopic suction pump water pipe; 406. Water tank; 407. Pressurized nozzle. DETAILED DESCRIPTION

[0022] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0023] See also Figure 1 The utility model provides an embodiment: a ceramsite production device with a screening function, including a ceramsite production device body 1, and also including a shock-absorbing and stabilizing support component 2, a ceramsite automatic screening and sterilization component 3, and a circulating flushing and filtering component 4; the ceramsite production device body 1 is divided into a shock-absorbing and stabilizing support component 2 for stabilizing the support device as a whole; the upper end of the shock-absorbing and stabilizing support component 2 is limitedly placed with a ceramsite automatic screening and sterilization component 3 for automatic screening of ceramsite; the upper end of the ceramsite automatic screening and sterilization component 3 is provided with a circulating flushing and filtering component 4 for flushing ceramsite, and the shock-absorbing and stabilizing support component 2 can stabilize the device as a whole Support, and at the same time, timely shock absorption protection is carried out for the vibration generated in the production process, thereby extending the service life of the device and reducing noise. The automatic screening and sterilization component 3 of expanded clay can carefully screen the expanded clay, and also has the function of high-temperature disinfection, which can effectively remove unqualified expanded clay products, improve product quality and performance, and meet the needs of different application scenarios. At the same time, it can improve production efficiency, reduce manual operations, and reduce production costs. The circulating flushing and filtering component 4 can timely flush the soil outside the expanded clay to achieve the purpose of accurate screening. At the same time, the flushing disinfectant water is filtered and recycled to achieve the purpose of saving resources.

[0024] See also Figure 2 In this embodiment, the shock-absorbing and stabilizing support assembly 2 includes a load-bearing base plate 201, a limit adjustment enclosure plate 202, an anti-skid stabilizing pad 203, a damping and shock-absorbing spring 204, a limit support placement plate 205 and a limit protection rod 206; the upper end of the load-bearing base plate 201 is fixedly installed with the limit adjustment enclosure plate 202, and the lower end of the load-bearing base plate 201 is fixedly installed with the anti-skid stabilizing pad 203; the upper end of the load-bearing base plate 201 is fixedly connected with the damping and shock-absorbing spring 204; the upper end of the damping and shock-absorbing spring 204 is fixedly connected to the limit support placement plate 205; the upper end of the limit support placement plate 205 is fixedly installed with the limit The protective rod 206 moves the device to a suitable position. The anti-skid stabilizing pad 203 at the lower end of the load-bearing base plate 201 has an anti-skid and stabilizing effect. The limit support placement plate 205 at the upper end of the damping shock-absorbing spring 204 supports the device and bears the load. The limit protection rod 206 at the upper end of the limit support placement plate 205 provides limit protection for the thermal insulation working box 301. The damping shock-absorbing spring 204 can provide shock-absorbing and buffering protection for the vibration generated during work. The limit support placement plate 205 is limit-adjusted within the limit adjustment enclosure 202 to extend the service life of the device and reduce noise at the same time.

[0025] See also Figure 3-4In this embodiment, the automatic screening and sterilization component 3 of ceramsite includes an insulation working box 301, a heating strip 302, a sealed observation door 303, a limit installation frame 304, an adjusting spring 305, a clamping plate 306, a ceramsite sieve plate 307, a vibration motor 308 and a feeding frame 309; the upper end of the limit support placement plate 205 is limitedly placed with the insulation working box 301; the insulation working box 301 is provided with a heating strip 302; the front end of the insulation working box 301 is hingedly connected with the sealed observation door 303, and the inner side end of the insulation working box 301 is fixedly installed with a limit installation frame 304; the limit installation frame 304 is fixedly connected with an adjusting spring 305; the adjusting spring 30 The lower end is fixedly connected with a clamping plate 306; a ceramsite sieve plate 307 is placed inside the clamping plate 306; a vibration motor 308 is arranged at the outer side end of the heat preservation working box 301; a feeding frame 309 is arranged at the upper end of the heat preservation working box 301, and a suitable ceramsite sieve plate 307 is clamped into the clamping plate 306. According to the thickness of the ceramsite sieve plate 307, the adjustment spring 305 in the limit installation frame 304 is contracted to drive the clamping plate 306 to firmly clamp the ceramsite sieve plate 307, and the ceramsite is put into the feeding frame 309 at the upper end of the heat preservation working box 301, and the vibration motor 308 is started. The vibration motor 308 drives the ceramsite sieve plate 307 to vibrate at a high speed to screen the ceramsite. When the heating strip 302 inside the heat preservation working box 301 is started, the ceramsite is sterilized at high temperature, which can effectively remove unqualified ceramsite products, improve the quality and performance of the products, and meet the needs of different application scenarios. The circulating flushing filter component 4 includes an installation filter 401, an activated carbon filter 402, a waterproof drawer 403, a handle 404, a telescopic suction pump water pipe 405, a water tank 406 and a pressurized nozzle 407; the heat preservation working box 301 is fixedly installed with an installation filter 401; an activated carbon filter 402 is placed inside the installation filter 401, and a waterproof drawer 403 is slidably installed at the bottom of the heat preservation working box 301; the front end of the waterproof drawer 403 is fixedly installed A handle 404 is provided; a telescopic suction pump water pipe 405 is fixedly connected to the front end of the waterproof drawer 403; a water tank 406 is fixedly installed at the upper end of the thermal insulation working box 301; a pressurized nozzle 407 is provided at the lower end of the water tank 406, and the activated carbon filter 402 is placed in the installation filter 401, and the handle 404 is pushed to push the waterproof drawer 403 into the thermal insulation working box 301, and disinfectant water is poured into the water tank 406 and sprayed from the pressurized nozzle 407 to achieve the effect of flushing the expanded clay, and the water flows through the activated carbon filter 402 for filtration, enters the waterproof drawer 403, and is sucked into the water tank 406 by the telescopic suction pump water pipe 405 for recycling, so as to achieve the purpose of saving water resources.

[0026] When in use, first move the device to a suitable position. The anti-skid stabilizing pad 203 at the lower end of the load-bearing bottom plate 201 has an anti-skid stabilizing effect. The limit support placement plate 205 at the upper end of the damping shock-absorbing spring 204 supports the device and bears the load. The limit protection rod 206 at the upper end of the limit support placement plate 205 provides limit protection for the thermal insulation working box 301. The damping shock-absorbing spring 204 can provide shock-absorbing and buffering protection for the vibration generated during work. The limit support placement plate 205 is limit-adjusted in the limit adjustment enclosure 202 to extend the service life of the device and reduce noise at the same time.

[0027] Then, a suitable ceramsite sieve plate 307 is inserted into the clamping plate 306. According to the thickness of the ceramsite sieve plate 307, the adjusting spring 305 in the limit installation frame 304 is contracted to drive the clamping plate 306 to firmly clamp the ceramsite sieve plate 307. The ceramsite is put into the feeding frame 309 at the upper end of the heat preservation working box 301, and the vibration motor 308 is started. The vibration motor 308 drives the ceramsite sieve plate 307 to vibrate at a high speed to screen the ceramsite. At the same time, the heating strip 302 inside the heat preservation working box 301 can be started to sterilize the ceramsite at high temperature, which can effectively remove In order to remove unqualified expanded clay products, improve product quality and performance, and meet the needs of different application scenarios, finally, place the activated carbon filter 402 in the installation filter 401, push the handle 404 to push the waterproof drawer 403 into the insulation working box 301, fill the disinfectant water into the water tank 406, and spray it from the pressurized nozzle 407 to flush the expanded clay. The water flows through the activated carbon filter 402 for filtration, enters the waterproof drawer 403, and is sucked into the water tank 406 by the telescopic suction pump water pipe 405 for recycling, thereby saving water resources.

[0028] Through the above steps, the shock-absorbing and stabilizing support component 2 is set to provide stable support for the entire device, and at the same time, timely shock-absorbing protection is provided for the vibration generated in the production process, thereby extending the service life of the device and reducing noise. The automatic screening and sterilization component 3 for expanded clay can carefully screen the expanded clay and also has the function of high-temperature disinfection. It can effectively remove unqualified expanded clay products, improve product quality and performance, and meet the needs of different application scenarios. At the same time, it can improve production efficiency, reduce manual operations, and reduce production costs. The circulating flushing and filtering component 4 can timely flush the soil outside the expanded clay to achieve the purpose of accurate screening. At the same time, the flushing disinfectant water is filtered and recycled to achieve the purpose of saving resources.

[0029] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of those skilled in the art without departing from the purpose of the present invention.

Claims

1. A ceramsite production device with a screening function, comprising a ceramsite production device body (1); characterized in that: The invention also comprises a shock-absorbing and stabilizing support component (2), an automatic ceramsite screening and sterilizing component (3), and a circulating flushing and filtering component (4); the ceramsite production device body (1) is divided into a shock-absorbing and stabilizing support component (2) for stabilizing the support device as a whole; the upper end of the shock-absorbing and stabilizing support component (2) is provided with an automatic ceramsite screening and sterilizing component (3) for automatic ceramsite screening; the upper end of the automatic ceramsite screening and sterilizing component (3) is provided with a circulating flushing and filtering component (4) for flushing the ceramsite.

2. The ceramsite production device with screening function according to claim 1, characterized in that: The shock-absorbing and stabilizing support assembly (2) comprises a load-bearing base plate (201), a limit-adjusting enclosure plate (202), an anti-slip stabilizing pad (203), a damping shock-absorbing spring (204), a limit-support placement plate (205) and a limit-protection rod (206); the limit-adjusting enclosure plate (202) is fixedly mounted on the upper end of the load-bearing base plate (201).

3. The ceramsite production device with screening function according to claim 2, characterized in that: The lower end of the load-bearing base plate (201) is fixedly mounted with an anti-skid stabilizing pad (203); the upper end of the load-bearing base plate (201) is fixedly connected with a damping shock absorbing spring (204); the upper end of the damping shock absorbing spring (204) is fixedly connected with a limited position support placement plate (205); and the upper end of the limited position support placement plate (205) is fixedly mounted with a limited position protection rod (206).

4. The ceramsite production device with screening function according to claim 1, characterized in that: The ceramsite automatic screening and sterilization component (3) comprises a heat preservation working box (301), a heating strip (302), a sealed observation door (303), a position limiting installation frame (304), an adjustment spring (305), a clamping plate (306), a ceramsite sieve plate (307), a vibration motor (308) and a feeding frame (309); the heat preservation working box (301) is position-limitedly placed on the upper end of the position limiting support placement plate (205); the heat preservation working box (301) is provided with a heating strip (302) inside; and the front end of the heat preservation working box (301) is hingedly connected with the sealed observation door (303).

5. The ceramsite production device with screening function according to claim 4, characterized in that: A limit installation frame (304) is fixedly installed at the inner side end of the heat preservation working box (301); an adjusting spring (305) is fixedly connected inside the limit installation frame (304); a clamping plate (306) is fixedly connected to the lower end of the adjusting spring (305); a ceramsite sieve plate (307) is placed inside the clamping plate (306); a vibration motor (308) is arranged at the outer side end of the heat preservation working box (301); and a feeding frame (309) is arranged at the upper end of the heat preservation working box (301).

6. The ceramsite production device with screening function according to claim 2, characterized in that: The circulating flushing filter assembly (4) comprises an installation filter (401), an activated carbon filter (402), a waterproof drawer (403), a handle (404), a telescopic suction pump water pipe (405), a water tank (406) and a pressurized nozzle (407); the installation filter (401) is fixedly installed inside the heat preservation working box (301); and the activated carbon filter (402) is placed inside the installation filter (401).

7. The ceramsite production device with screening function according to claim 6, characterized in that: A waterproof drawer (403) is slidably mounted on the bottom of the thermal insulation working box (301); a handle (404) is fixedly mounted on the front end of the waterproof drawer (403); a telescopic suction pump water pipe (405) is fixedly connected to the front end of the waterproof drawer (403); a water tank (406) is fixedly mounted on the upper end of the thermal insulation working box (301); and a pressurized nozzle (407) is arranged on the lower end of the water tank (406).