Automatic pretreatment and addition device for defoaming agent

Abstract

The utility model discloses an automatic defoaming agent pretreatment and addition device which comprises a pre-solution storage tank and at least one defoaming agent raw material storage tank connected with the pre-solution storage tank in parallel, and the pre-solution storage tank and the defoaming agent raw material storage tank are both connected with an inlet of a defoaming agent pre-dissolving kettle through a first electronic pump. An outlet of the defoaming agent pre-dissolving kettle is sequentially connected with a second electronic pump and a cooling liquid blending kettle, and the first electronic pump and the second electronic pump are controlled by a controller. The equipment can improve the preparation efficiency of the engine coolant.

Description

Technical Field

[0001] The utility model relates to a liquid automatic mixing and adding device, in particular to a defoaming agent automatic pretreatment and adding device. Background Art

[0002] Engine coolant is an important working medium of the automobile cooling system, which is composed of base fluid, corrosion inhibitor, defoamer, pigment and other raw materials. The mechanism of action of defoamer is to reduce the surface tension of the liquid-air interface to break the foam. Defoamers include silicone defoamers, polyether defoamers, polyether modified silicone defoamers and other types.

[0003] In order to achieve better defoaming and anti-foaming effects, defoamers generally need to be manually compounded, that is, multiple defoamers are mixed evenly in a certain proportion. In addition, since defoamers cannot be directly miscible with the base liquid of engine coolant, they need to be manually pre-treated before being put into the engine coolant blending kettle, and the whole process is time-consuming and labor-intensive. Utility Model Content

[0004] Purpose of the utility model: The purpose of the utility model is to provide an automatic defoaming agent pretreatment and addition device that can improve the efficiency of engine coolant preparation.

[0005] Technical solution: The automatic defoaming agent pretreatment and addition device described in the utility model comprises a pre-solution storage tank and at least one defoaming agent raw material storage tank arranged in parallel with the pre-solution storage tank, the pre-solution storage tank and the defoaming agent raw material storage tank are both connected via a first electronic pump and the inlet of the defoaming agent pre-dissolution kettle, the outlet of the defoaming agent pre-dissolution kettle is connected in sequence with a second electronic pump and a coolant blending kettle, and the first electronic pump and the second electronic pump are controlled by a controller.

[0006] The storage tanks and the stirring kettle are connected in series and parallel through pipelines, and the controller controls the operation of the first electronic pump and the second electronic pump, thereby realizing automatic pretreatment of the defoaming agent and automatic feeding during the coolant blending process, thereby improving the preparation efficiency of the coolant.

[0007] A solenoid valve is installed between the pre-solution storage tank and the first electronic pump; a solenoid valve is installed between the defoaming agent raw material storage tank and the first electronic pump. The controller controls the solenoid valves of each branch individually, which helps to more accurately control the pumping amount of the defoaming agent raw material and the pre-solution.

[0008] The defoamer raw material storage tank is provided with a heat preservation device, which can keep the defoamer raw material at an optimal storage temperature.

[0009] A first flow meter controlled by the controller is arranged between the first electronic pump and the defoamer pre-dissolving kettle. The controller controls the first flow meter to quantitatively control the defoamer raw material or pre-solution pumped into the defoamer pre-dissolving kettle, thereby ensuring that the defoamer automatic pre-treatment and addition device can compound different types of defoamers according to the ratio and mix them with an appropriate amount of pre-solution to achieve pre-treatment.

[0010] A defoamer storage tank, a third electronic pump and a second flow meter are sequentially arranged between the second electronic pump and the coolant blending kettle, and the third electronic pump and the second flow meter are controlled by the controller. The above design realizes quantitative control of the defoamer, which helps to accurately pump the defoamer into the coolant blending kettle according to the ratio.

[0011] The defoamer storage tank is provided with a liquid level sensor. The liquid level sensor can communicate with the controller. When the liquid level sensor detects that the amount of defoamer stored in the defoamer storage tank is lower than the set value, the monitoring data will be fed back to the controller, and the controller controls the raw material storage unit and the defoamer pre-dissolving kettle to work, pre-treat the defoamer, and add the pre-treated defoamer into the defoamer storage tank through the electronic pump.

[0012] The controller is a PLC controller. The PLC controller is convenient for setting or adjusting the working sequence, time, etc. of the solenoid valve, electronic pump and flow meter. The PLC controller is electrically connected to the control system of the coolant central control room, and the control system of the coolant central control room transmits the coolant ratio data to the controller to control the amount of defoaming agent added to the coolant blending kettle.

[0013] Beneficial effects: Compared with the prior art, the utility model has the following advantages: 1. The automatic pretreatment and addition device of the defoaming agent can realize the automatic pretreatment of the defoaming agent and the automatic addition of the coolant during the blending process, thereby improving the efficiency of engine coolant preparation and saving time and labor; 2. Through loop design and controller control, the accuracy of the raw material ratio and the amount of defoaming agent added can be ensured. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of the utility model. DETAILED DESCRIPTION

[0015] The technical solution of the utility model is further described below in conjunction with the accompanying drawings.

[0016] like Figure 1As shown, the defoamer automatic pretreatment and addition device described in the utility model comprises a pre-solution storage tank 1 and two defoamer raw material storage tanks 2 arranged in parallel with the pre-solution storage tank 1. The above three storage tanks are respectively connected to the main road through three branch pipelines equipped with electromagnetic valves 12. The main road is connected to the first electronic pump 3, the first flowmeter 8, the defoamer pre-dissolving kettle 4, the second electronic pump 5, the defoamer storage tank 9, the third electronic pump 10, the second flowmeter 11 and the engine coolant blending kettle 6 in sequence through pipelines from upstream to downstream. The defoamer raw material storage tank 2 is provided with a heat preservation device, which includes a temperature sensor and a jacket electric heating and heat preservation device. The temperature sensor is used to monitor the temperature of the defoamer in the defoamer raw material storage tank 2. The jacket electric heating and heat preservation device is arranged outside the defoamer raw material storage tank 2, so as to ensure that the defoamer raw material is in the optimal storage temperature range. A liquid level sensor is arranged in the defoamer storage tank 9. The defoaming agent automatic pretreatment and addition device also includes a controller 7, which is a PLC controller (Programmable Logic Controller) and is connected to the coolant central control room control system, which adopts a DCS control system (Distributed Control System). The controller 7 receives instructions issued by the coolant central control room control system, controls the electronic pumps, solenoid valves 12 and flow meters in the branch and main circuits, and can communicate with the liquid level sensor, thereby realizing automatic pretreatment of the defoaming agent and automatic addition of materials during the coolant blending process.

[0017] Specifically, the two defoamer raw material storage tanks 2 store two different types of defoamer raw materials respectively, the controller 7 controls the first electronic pump 3 and the electromagnetic valve 12 on the parallel branch where the pre-solution storage tank 1 is located to open, and after adding a certain amount of pre-solution into the defoamer pre-dissolving kettle 4 through the first flowmeter 8, the electromagnetic valve 12 on the parallel branch where the first electronic pump 3 and the pre-solution storage tank 1 are located is closed; the electromagnetic valve 12 on the parallel branch where the two defoamer raw material storage tanks 2 are located and the first electronic pump 3 are opened in turn, and after quantitatively adding two kinds of defoamer raw materials into the defoamer pre-dissolving kettle 4 in turn through the first flowmeter 8, the electromagnetic valve 12 on the parallel branch where the first electronic pump 3 and the defoamer storage tank 9 are located is closed; the stirring switch of the defoamer pre-dissolving kettle 4 is turned on by the controller 7 to perform the defoamer pre-dissolving kettle 4. Treatment, that is, pre-dissolve the two defoamer raw materials in the pre-solution, stir for 20 minutes, so that the defoamer can achieve the best pre-dissolution effect, and the pre-dissolved defoamer is pumped to the defoamer storage tank 98 through the second electronic pump 5; the defoamer storage tank 9 is provided with a liquid level sensor, when the defoamer solution level inside it is lower than the set liquid level, the controller 7 starts the defoamer pretreatment program again, and pumps the pre-treated defoamer to the defoamer storage tank 9 through the second electronic pump 5; when it is necessary to prepare the coolant, the control system of the coolant central control room sends an instruction to the controller 7, turns on the third electronic pump 10, and adds a certain amount of defoamer solution to the engine coolant blending kettle 6 through the second flowmeter 11 according to the amount of defoamer in the engine coolant formula.

Claims

1. A defoaming agent automatic pretreatment and addition device, characterized in that: The invention comprises a pre-solution storage tank (1) and at least one defoaming agent raw material storage tank (2) arranged in parallel with the pre-solution storage tank (1); the pre-solution storage tank (1) and the defoaming agent raw material storage tank (2) are both connected via a first electronic pump (3) and an inlet of a defoaming agent pre-dissolving kettle (4); the outlet of the defoaming agent pre-dissolving kettle (4) is connected in sequence to a second electronic pump (5) and a coolant blending kettle (6); the first electronic pump (3) and the second electronic pump (5) are controlled by a controller (7).

2. The defoaming agent automatic pretreatment and addition device according to claim 1, characterized in that: A solenoid valve (12) is installed between the pre-solution storage tank (1) and the first electronic pump (3); and a solenoid valve (12) is installed between the defoaming agent raw material storage tank (2) and the first electronic pump.

3. The defoaming agent automatic pretreatment and addition device according to claim 1, characterized in that: The defoaming agent raw material storage tank (2) is provided with a heat preservation device.

4. The defoaming agent automatic pretreatment and addition device according to claim 1, characterized in that: A first flow meter (8) controlled by the controller (7) is arranged between the first electronic pump (3) and the defoaming agent pre-dissolution kettle (4).

5. The defoaming agent automatic pretreatment and addition device according to claim 1, characterized in that: A defoaming agent storage tank (9), a third electronic pump (10) and a second flow meter (11) are arranged in sequence between the second electronic pump (5) and the coolant blending kettle (6), and the third electronic pump (10) and the second flow meter (11) are controlled by the controller (7).

6. The defoaming agent automatic pretreatment and addition device according to claim 5, characterized in that: A liquid level sensor is arranged in the defoaming agent storage tank (9).

7. The automatic defoaming agent pretreatment and addition device according to claim 1, characterized in that: The controller (7) is a PLC controller.

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