Mixing and kneading machine capable of preventing paste material bonding of discharging elephant trunk
By forming a liquid film inside the feed chute of the mixer through an online liquid injection device, the problems of blockage and wear caused by paste adhesion are solved, enabling continuous production without downtime and safe and environmentally friendly cleaning, thus reducing operating costs.
Patent Information
- Application Number
- CN202520163253.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-23
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-01-23
AI Technical Summary
The feed chute of the kneader is prone to sticky material adhering to it under high temperature conditions, leading to blockage and wear. Traditional cleaning methods require frequent machine shutdowns and manual operation, which poses safety hazards and is inefficient.
Design an online cleaning device based on liquid jetting, which uses a liquid film to isolate the paste from the inner wall of the chute, and combines a liquid circulation and monitoring module to achieve automatic cleaning. The device includes a chute body, a liquid jetting module, a liquid storage and circulation module, and a control module. The monitoring module adjusts the jetting parameters in real time.
It enables continuous production without downtime, reduces the frequency of manual cleaning, improves equipment operating efficiency and safety, reduces operational risks in high-temperature environments, and lowers operating costs through liquid circulation.
Smart Images

Figure CN223846790U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to an industrial equipment cleaning technology, concretely relates to an online cleaning system for the discharging chute of a kneader, in particular to a kneader capable of preventing the adhesion of paste to the discharging chute. BACKGROUND
[0002] As an important part of the production process in a molding workshop, the kneader has a high paste temperature (about 180 DEG C) at its outlet and contains sticky substances such as asphalt, which are prone to adhere to the surface of the discharging chute, causing blockage, chute wear and tear, and production interruption. The traditional cleaning method requires frequent shutdown for manual cleaning, which not only reduces production efficiency but also poses a safety hazard in a high-temperature environment.
[0003] Therefore, there is an urgent need for an online automatic cleaning device to improve the cleaning efficiency of the chute, ensure the continuity and stability of production, and reduce safety risks. SUMMARY
[0004] The utility model aims at providing a chute cleaning device based on liquid spraying technology, which can form a liquid film on the inner wall of the chute, effectively prevent material adhesion and automatically clean residual material, thereby improving the efficiency of equipment operation.
[0005] To achieve the above-mentioned purpose, the utility model provides a kneader capable of preventing the adhesion of paste to the discharging chute, which comprises:
[0006] The chute body is used to transport high-temperature sticky materials, and its inner wall is designed as a smooth arc with a high-temperature-resistant and anti-adhesion coating on the surface.
[0007] The liquid spraying module comprises multiple nozzles arranged uniformly along the length direction of the chute, which is used to spray liquid to form a layer of liquid film on the inner wall of the chute.
[0008] The liquid storage and circulation module comprises a liquid storage tank, a liquid pump and a recovery device, which is used to provide liquid for the nozzles and recover excess liquid.
[0009] The control module is connected to the liquid spraying module and the monitoring device, which is used to control the time, pressure and flow rate of liquid spraying in real time.
[0010] The monitoring module comprises a temperature sensor and a flow sensor, which is used to detect the working state of the chute and the condition of the adhered material.
[0011] Working Principle: This solution utilizes a liquid injection module to spray liquid onto the inner wall of the chute, forming a uniform liquid film. When a high-temperature, viscous paste passes through the chute, the liquid film effectively isolates the paste from direct contact with the chute's inner wall, preventing material adhesion. Excess liquid and residual material removed during cleaning are recovered through a reflux device, ensuring the chute's continuous cleanliness. Simultaneously, the control module monitors the temperature and material status within the chute in real time, automatically adjusting the liquid injection frequency and pressure as needed.
[0012] advantage:
[0013] High-efficiency cleaning: The liquid film effectively prevents material adhesion, while the liquid flushing action cleans the inner wall;
[0014] Continuous operation: Online cleaning requires no downtime, ensuring the continuity and stability of the production process;
[0015] Safety and environmental protection: Reduces the frequency of manual cleaning, lowers operational risks, and reduces the release of asphalt fumes;
[0016] Cost savings: The liquid circulation system can recycle liquid, reducing operating costs. Attached Figure Description
[0017] Figure 1 This is a structural schematic diagram of an embodiment of the present utility model. Detailed Implementation
[0018] The following detailed description illustrates the specific implementation method:
[0019] like Figure 1 As shown, the inner wall of the chute body (1) is a smooth arc-shaped structure and is coated with an anti-adhesion coating to enhance its anti-adhesion performance. The nozzles of the liquid injection module (2) are made of high-temperature resistant materials and are evenly distributed along the length of the chute. In particular, the spray direction is inclined at the end of the chute to ensure that the liquid can evenly cover the inner wall. The liquid is sprayed in an atomized or fan-shaped form by a high-pressure pump to form a continuous liquid film. The liquid storage and circulation module uses a storage tank to store high-temperature resistant liquid; a liquid pump provides constant pressure to deliver the liquid to the nozzles; and a recovery device collects excess liquid through a return pipe, filters it, and recycles it. The control module uses a PLC system to control the opening and closing of the nozzles and adjust the flow rate and pressure of the liquid; it can set timed spraying or adjust the spray frequency in real time according to monitoring data. The monitoring module uses a temperature sensor to monitor the working temperature of the chute to prevent the liquid from evaporating due to overheating; and a flow sensor to detect the material flow state and determine whether there is a risk of adhesion or blockage.
[0020] Example 1: Application of a cleaning system using industrial water as the cleaning liquid
[0021] Under certain standard conditions, the operating temperature of the inner wall of the pipe is 80℃, and industrial water is used as the cleaning liquid. The implementation is as follows:
[0022] Design of the spraying mechanism: 8 nozzles are arranged in the pipe, the nozzles adopt fan-shaped nozzles, the spraying angle is 90°, and the inner wall is fully covered. Liquid supply device: equipped with a high-efficiency water pump, industrial water is sprayed from the nozzles at a pressure of 0.5 MPa, and the flow rate is 10 liters / minute. Control system: the cleaning system is started every 3 hours, the spraying time is 5 minutes, and the cleaning frequency is automatically adjusted according to the environmental humidity. Liquid collection device: the bottom liquid collection tank is equipped with a three-stage filtration system, which can separate particulate impurities and recycle industrial water.
[0023] Effect: After spraying industrial water, a uniform water film is formed on the inner wall, significantly reducing the adhesion of asphalt-based paste. The amount of impurities collected in the liquid collection tank gradually decreases, the cleaning efficiency is high, and the production is not disturbed. The system runs environmentally friendly and saves costs, without additional chemical treatment.
[0024] Example 2: Application of cleaning system with domestic water as cleaning liquid
[0025] Under high-temperature conditions (pipe inner wall temperature 150℃), to address the problem of fast water evaporation, domestic water is used as the cleaning liquid, and the implementation is as follows:
[0026] Improvement of the spraying mechanism: the nozzles are made of high-temperature-resistant stainless steel, and the spraying angle is 120°. Liquid supply device: domestic water is sprayed by a high-temperature-resistant pump at a pressure of 0.8 MPa, and the flow rate is 6 liters / minute. Control system: based on the data of the temperature sensor, the cleaning system is started every 2 hours, and the spraying time is 4 minutes.
[0027] Effect: Domestic water forms a high-temperature-resistant protective film on the inner wall of the pipe, significantly reducing adhesion. The protective film has a certain lubricating effect, reducing the wear of the inner wall of the pipe. The recycling rate of the cleaning liquid is high, and the long-term operation cost is low.
[0028] For an extreme condition (pipe temperature up to 200℃), to achieve cleaning and lubrication effects, domestic water is used as the cleaning liquid, and the implementation is as follows:
[0029] Design of the spraying mechanism: the nozzles are made of high-strength alloy material, the spraying angle is 110°, and the domestic water can uniformly cover the inner wall. Liquid supply device: domestic water is sprayed by a high-pressure pump at a pressure of 1.0 MPa, and the flow rate is 5 liters / minute. Control system: the cleaning system dynamically adjusts the spraying time and flow rate based on the data of the temperature and adhesion sensors, the default cleaning frequency is once every hour, and the spraying duration is 3 minutes. Liquid collection device: the liquid collection tank is equipped with a three-stage filtration and cooling system, and after separating impurities, the domestic water is recycled by a high-efficiency cooler.
[0030] Effects:
[0031] The domestic water forms a durable protective film in a high temperature environment, completely solving the problem of asphalt paste adhesion. The system lubricates the equipment during operation, prolonging the service life of the pipe and related components. The recycled domestic water has high use efficiency, significant impurity separation effect, and good economic efficiency.
[0032] The above is only an embodiment of the present application, and the well-known specific structure and characteristics in the scheme are not described in detail. It should be noted that for those skilled in the art, without departing from the structure of the present application, a number of modifications and improvements can be made, which should also be considered as the protection scope of the present application. These will not affect the effect and practicability of the present application. The specific embodiments and the like in the specification can be used to explain the content of the claims.
Claims
1. A kneading machine that prevents paste from sticking together in the feed chute, characterized in that, The application relates to a liquid film forming device for a pipe, which comprises the following parts: a pipe body with smooth arc-shaped inner wall; a liquid spraying module arranged at the end of the pipe body, which comprises a plurality of nozzles for spraying liquid to the inner wall of the pipe to form a liquid film; a liquid storage and circulation module, which comprises a liquid storage tank, a liquid pump and a recovery device for providing liquid and recovering excess liquid; a control module for controlling the working state of the liquid spraying module; a monitoring module for monitoring the temperature and material adhesion in the pipe.
2. The mixer capable of preventing paste sticking of a downcomer according to claim 1, wherein The nozzles are uniformly arranged along the length direction of the pipe body, and the spraying angle can be adjusted.
3. The mixer capable of preventing paste sticking of a downcomer according to claim 2, wherein The liquid is industrial water or domestic water.
4. The mixer according to any one of claims 1 to 3, wherein The control module is a PLC system, which can automatically adjust the spraying frequency and flow according to the detection data of the monitoring module.