An automatic air entraining agent metering device

Abstract

The application relates to an automatic air entraining agent metering device and relates to the field of building material production equipment, which comprises a storage tank, a metering pipeline, a metering tank, a feeding pipeline and a control system; one end of the metering pipeline is in communication with the bottom of the storage tank, the other end is in communication with the metering tank, the feeding pipeline is arranged at the bottom of the metering tank and is in communication with the metering tank, the control system comprises a first electromagnetic valve arranged on the metering pipeline, a second electromagnetic valve arranged on the feeding pipeline, a weight sensor arranged at the bottom of the metering tank and a controller, and the first electromagnetic valve, the second electromagnetic valve and the weight sensor are electrically connected with the controller. The application realizes automatic weighing and automatic adding of air entraining agents through the control system, the weight sensor is used for accurate weighing, and the accuracy of the air entraining agent adding amount and the adding efficiency of the air entraining agent are improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of building material production equipment, in particular to an automatic air entraining agent metering device. BACKGROUND

[0002] At present, the production and application of concrete are very wide in the construction industry, and in the concrete production process, air entraining agent as an important additive for improving the performance of concrete has an important role in ensuring the quality of concrete, although the addition amount is small.

[0003] The addition method of air entraining agent mainly includes manual metering and semi-automatic metering. Manual metering is usually completed by simple tools such as measuring cups. Although this method is low in cost, it has large error because it completely depends on the experience and technical level of the operator, and it is difficult to meet the requirements of modern industrial production. Semi-automatic metering is to control the pumping time by a timer to approximately meter. The above two methods have the problems of unstable metering accuracy and low production efficiency, and are difficult to adapt to the needs of large-scale continuous production.

[0004] For the related technologies in the above, the inventor believes that the traditional air entraining agent addition method not only has low efficiency, but also easily causes inaccurate metering, thereby seriously affecting the quality stability of the concrete product. CONTENT OF THE INVENTION

[0005] In order to solve the above technical problems, the present application provides an automatic air entraining agent metering device.

[0006] The automatic air entraining agent metering device provided by the present application adopts the following technical scheme:

[0007] An automatic air entraining agent metering device, comprising a storage tank, a metering pipeline, a metering tank, a feeding pipeline and a control system; one end of the metering pipeline is in communication with the bottom of the storage tank, the other end is in communication with the metering tank, the feeding pipeline is arranged at the bottom of the metering tank and is in communication with the metering tank, the control system comprises a first electromagnetic valve arranged on the metering pipeline, a second electromagnetic valve arranged on the feeding pipeline, a weight sensor arranged at the bottom of the metering tank and a controller, the first electromagnetic valve, the second electromagnetic valve and the weight sensor are electrically connected with the controller.

[0008] By adopting the technical scheme, the worker inputs the preset value of the weight of the air entraining agent to be added into the controller, then the controller controls the first electromagnetic valve to open, the air entraining agent enters the metering pipeline from the storage tank, and enters the metering tank through the metering pipeline, the weight sensor detects the weight of the air entraining agent in the metering tank, when the weight of the air entraining agent in the metering tank reaches the preset value, the controller controls the first electromagnetic valve to close, then controls the second electromagnetic valve to open, and the weighed air entraining agent is added into the concrete through the feeding pipeline. The automatic precise weighing and automatic feeding of the air entraining agent are realized through the control system, so that the adding efficiency and adding precision of the air entraining agent are improved, and the quality of the concrete is improved.

[0009] Preferably, the first electromagnetic valve is a ball valve.

[0010] By adopting the technical scheme, the flow of the air entraining agent in the metering pipeline can be regulated through the ball valve, when the weight of the air entraining agent in the metering tank approaches the preset value, the controller controls the ball valve to reduce the flow of the air entraining agent in the metering pipeline, so that the addition of the air entraining agent can be immediately stopped when the weight of the air entraining agent reaches the preset value, the phenomenon that there is a lot of air entraining agent remaining in the metering pipeline after the first electromagnetic valve is closed, and the remaining air entraining agent falls into the metering tank to make the weight of the air entraining agent exceed the preset value is reduced, and the precision of the air entraining agent weighing is improved, and the quality of the concrete is further improved.

[0011] Preferably, the first electromagnetic valve and the second electromagnetic valve are both two-position three-way electromagnetic valves.

[0012] By adopting the technical scheme, the two-position three-way electromagnetic valve can keep the current position in the power-off state, ensure safety and reliability, and have a long service life, so that the maintenance cost is reduced.

[0013] Preferably, the first electromagnetic valve and the second electromagnetic valve are both made of stainless steel.

[0014] By adopting the technical scheme, the first electromagnetic valve and the second electromagnetic valve made of stainless steel have excellent corrosion resistance, long service life and low maintenance cost.

[0015] Preferably, the control system further comprises a wireless communication module, and the controller is signal connected with the wireless communication module.

[0016] By adopting the technical scheme, the worker can remotely monitor and manage the control system through the wireless communication module, so that the automatic air entraining agent metering equipment is more intelligent and flexible.

[0017] Preferably, the metering pipeline and the feeding pipeline are both galvanized steel pipes.

[0018] By adopting the technical scheme, the galvanized steel pipe has good corrosion resistance and long service life, so that the automatic weighing and automatic feeding of the air entraining agent can be stably performed for a long time, and the maintenance cost is reduced.

[0019] Preferably, the storage tank is located above the metering tank, the metering tank is of a top opening structure, and the metering pipeline is located above the top opening of the metering tank.

[0020] By adopting the technical scheme, the first electromagnetic valve is opened, and the air entraining agent in the storage tank falls freely under the action of gravity, so that the automatic air entraining agent metering equipment has a simple structure and is convenient to maintain.

[0021] Preferably, the controller is provided with a display screen for displaying the measurement data of the weight sensor in real time.

[0022] By adopting the technical scheme, the worker can monitor the progress of the automatic weighing and automatic feeding of the air entraining agent in real time through the display screen, so that the worker can find abnormal conditions in time for maintenance and repair.

[0023] To sum up, the application has the following beneficial technical effects:

[0024] The application realizes the automatic weighing and automatic feeding of the air entraining agent through the control system, and realizes the accurate weighing of the air entraining agent by controlling the flow of the air entraining agent in the metering pipeline through the ball valve, so as to improve the accurate control of the air entraining agent addition amount, improve the air entraining agent addition efficiency, and further improve the quality of the concrete. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 is a structural schematic diagram of the automatic air entraining agent metering equipment provided by the embodiment of the application.

[0026] Explanation of reference signs: 1, storage tank; 2, metering pipeline; 3, metering tank; 4, feeding pipeline; 5, control system; 51, first electromagnetic valve; 52, second electromagnetic valve; 53, weight sensor; 54, controller; 541, display screen; 6, support frame. DETAILED DESCRIPTION

[0027] The following will be described in detail in combination with the accompanying drawings. Figure 1 The application will be further described in detail.

[0028] The embodiment of the application discloses an automatic air entraining agent metering equipment.

[0029] Reference will be made to the drawings. Figure 1The application discloses an automatic air entraining agent metering device which comprises a storage tank 1, a metering pipeline 2, a metering tank 3, a feeding pipeline 4 and a control system 5. One end of the metering pipeline 2 is fixedly communicated with the bottom of the storage tank 1, and the other end is communicated with the metering tank 3. The feeding pipeline 4 is fixedly arranged at the bottom of the metering tank 3 and is fixedly communicated with the metering tank 3. The control system 5 comprises a first electromagnetic valve 51 fixedly arranged on the metering pipeline 2, a second electromagnetic valve 52 fixedly arranged on the feeding pipeline 4, a weight sensor 53 fixedly arranged at the bottom of the metering tank 3 and a controller 54, and the first electromagnetic valve 51, the second electromagnetic valve 52 and the weight sensor 53 are electrically connected with the controller 54.

[0030] In the embodiment of the application, the metering tank 3 is fixedly connected with a support frame 6, the weight sensor 53 is fixedly arranged on the support frame 6, the storage tank 1 is fixedly connected with the support frame 6, and the controller 54 is fixedly arranged on the support frame 6. The controller 54 is provided with a display screen 541 which is used for displaying the measurement data of the weight sensor 53 in real time.

[0031] The first electromagnetic valve 51 is a ball valve. The first electromagnetic valve 51 and the second electromagnetic valve 52 are both two-position three-way electromagnetic valves. The first electromagnetic valve 51 and the second electromagnetic valve 52 are both made of stainless steel.

[0032] The control system 5 further comprises a wireless communication module, and the controller 54 is signal-connected with the wireless communication module. The wireless communication module enables workers to remotely control the weighing and feeding of the air entraining agent, thereby improving the intelligence and flexibility of the automatic air entraining agent metering device.

[0033] The storage tank 1 is located above the metering tank 3, the metering tank 3 has a top opening structure, the metering pipeline 2 is located above the top opening of the metering tank 3, the air entraining agent is caused to automatically flow out after the first electromagnetic valve 51 is opened by utilizing the self-gravity of the air entraining agent, the automatic air entraining agent metering device has a simple overall structure, low production cost and is convenient to maintain, thereby reducing the maintenance cost of the automatic air entraining agent metering device. The storage tank 1 and the metering tank 3 are both made of stainless steel. The metering pipeline 2 and the feeding pipeline 4 are both galvanized steel pipes.

[0034] In the embodiment of the application, the metering tank 3 can meter five kilograms of air entraining agent, the weight sensor is a nine-kilogram weight sensor 53 which is used for precise measurement and has high accuracy and sensitive reaction, thereby causing the weighing process of the air entraining agent to be accurate and improving the adding accuracy of the air entraining agent, which is beneficial to improving the production quality of the concrete.

[0035] The implementation principle of the automatic air entraining agent metering equipment according to an embodiment of the present application is as follows: a worker inputs a preset value of the weight of the air entraining agent to be added, the controller 54 controls the first electromagnetic valve 51 to open, the air entraining agent enters the metering pipeline 2 from the storage tank 1, and enters the metering tank 3 through the metering pipeline 2, the weight sensor 53 detects the weight of the air entraining agent in the metering tank 3, when the weight of the air entraining agent in the metering tank 3 reaches the preset value, the controller 54 controls the first electromagnetic valve 51 to close, and then controls the second electromagnetic valve 52 to open, the weighed air entraining agent is added into the concrete through the feeding pipeline 4. The flow of the air entraining agent in the metering pipeline 2 can be regulated through the ball valve, when the weight of the air entraining agent in the metering tank 3 approaches the preset value, the controller 54 controls the ball valve to reduce the flow of the air entraining agent in the metering pipeline 2, so that the addition of the air entraining agent can be immediately stopped when the weight of the air entraining agent reaches the preset value, thereby reducing the phenomenon that the weight of the air entraining agent in the metering tank 3 exceeds the preset value, and further improving the precision of the air entraining agent weighing.

[0036] The above are preferred embodiments of the present application, and do not limit the protection scope of the present application, therefore: equivalent changes made according to the structure, shape, principle of the present application should be covered within the protection scope of the present application.

Claims

1. An automatic air-entraining agent metering device, characterized in that: The system includes a storage tank (1), a metering pipe (2), a metering tank (3), a feeding pipe (4), and a control system (5). One end of the metering pipe (2) is connected to the bottom of the storage tank (1), and the other end is connected to the metering tank (3). The feeding pipe (4) is located at the bottom of the metering tank (3) and is connected to the metering tank (3). The control system (5) includes a first solenoid valve (51) located on the metering pipe (2), a second solenoid valve (52) located on the feeding pipe (4), a weight sensor (53) located at the bottom of the metering tank (3), and a controller (54). The first solenoid valve (51), the second solenoid valve (52), and the weight sensor (53) are all electrically connected to the controller (54).

2. The automatic air-entraining agent metering device according to claim 1, characterized in that: The first solenoid valve (51) is a ball valve.

3. The automatic air-entraining agent metering device according to claim 2, characterized in that: Both the first solenoid valve (51) and the second solenoid valve (52) are two-position three-way solenoid valves.

4. An automatic air-entraining agent metering device according to claim 3, characterized in that: Both the first solenoid valve (51) and the second solenoid valve (52) are made of stainless steel.

5. An automatic air-entraining agent metering device according to claim 1, characterized in that: The control system (5) further includes a wireless communication module, and the controller (54) is signal-connected to the wireless communication module.

6. An automatic air-entraining agent metering device according to claim 1, characterized in that: Both the metering pipe (2) and the feeding pipe (4) are galvanized steel pipes.

7. An automatic air-entraining agent metering device according to claim 1, characterized in that: The storage tank (1) is located above the metering tank (3). The metering tank (3) has a top opening structure. The metering pipe (2) is located above the top opening of the metering tank (3). Both the storage tank (1) and the metering tank (3) are made of stainless steel.

8. An automatic air-entraining agent metering device according to claim 1, characterized in that: The controller (54) is equipped with a display screen (541) for displaying the measurement data of the weight sensor (53) in real time.

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