CN212119895U - Automatic batching system in production of diesel antiwear agent - Google Patents

Abstract

The utility model discloses an automatic feed proportioning system in diesel oil anti-wear agent production, including the storage tank, the storage tank communicate with pump A, pump A communicate motorised valve A, motorised valve A and freezing cauldron intercommunication, freezing cauldron intercommunication valve B, valve B communicate the export of pump B, the import of pump B communicate the export of mother liquor configuration jar, the import of mother liquor configuration jar communicate valve C, valve C communicate pump C; including automatic batching control appearance, automatic batching control appearance be connected with weighing module A, weighing module B, motorised valve B, anti-overflow switch, electrical apparatus cubical switchboard, motorised valve A, motorised valve C electricity respectively, electrical apparatus cubical switchboard and pump A, pump B, pump C electricity be connected. The advantages are that: through the application of the system, the accuracy and the efficiency of the batching are improved, the loss is reduced, the labor intensity is reduced, and the management efficiency is improved.

Description

Automatic batching system in production of diesel antiwear agent

Technical Field

The utility model relates to an automatic change feed proportioning system, concretely relates to automatic feed proportioning system in diesel oil anti-wear agent production.

Background

The existing production process of the diesel antiwear agent is to cool the prepared emulsion to the process temperature according to the index of the diesel antiwear agent product, introduce the emulsion into a centrifuge for separation, and then process to obtain the diesel antiwear agent product.

The preparation process of the emulsion is very critical, and the concentration and the proportioning accuracy of all materials in the emulsion directly influence whether the quality of the product is qualified or not. The existing emulsion preparation method is that materials are added into a stainless steel groove according to a scale, the weight is calculated according to the volume density, and the materials are prepared and transferred into a freezing kettle by a pump. This process has the following problems

1. The weight is measured coarsely because the volume and density of the material are temperature-dependent parameters, and the difference in temperature per day gives rise to different weight measurements.

2. The mode that every personnel looked the scale is different, and the existence of factors such as the time difference of stopping the pump before the material arrives the scale can lead to the ratio to appear the repeatability difference, influences product quality then.

The pump is at the in-process that shifts the material, can not take out totally with the material in the proportioning bins clean, can appear the phenomenon that the ratio is different when leading to the different people of different teams and groups to operate like this.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an automatic feed proportioning system in diesel oil anti-wear agent production to the defect that prior art exists.

The technical scheme is as follows: an automatic batching system in diesel antiwear agent production comprises a storage tank, wherein the storage tank is communicated with a pump A, the pump A is communicated with an electric valve A, the electric valve A is communicated with a freezing kettle, the freezing kettle is communicated with a valve B, the valve B is communicated with an outlet of the pump B, an inlet of the pump B is communicated with an outlet of a mother liquor configuration tank, an inlet of the mother liquor configuration tank is communicated with a valve C, and the valve C is communicated with the pump C; including automatic batching control appearance, automatic batching control appearance be connected with weighing module A, weighing module B, motorised valve B, anti-overflow switch, electrical apparatus cubical switchboard, motorised valve C electricity respectively, electrical apparatus cubical switchboard and pump A, pump B, pump C electricity be connected.

Further, the automatic batching control instrument comprises a PLC and a liquid crystal operation panel.

Further, the PLC model is S7-1200.

Further, the model of the liquid crystal operating panel is TPC7062 TX.

Further, the valve B is a numerical control electro-hydraulic valve.

Compared with the prior art, the utility model, have following advantage: through the application of the system, the accuracy and the efficiency of the batching are improved, the loss is reduced, the labor intensity is reduced, and the management efficiency is improved.

Drawings

FIG. 1 is a process flow diagram of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Referring to fig. 1, an automatic batching system in diesel antiwear agent production comprises a storage tank 1, wherein the storage tank 1 is communicated with a pump A2, the pump A2 is communicated with an electric valve A4, the electric valve A4 is communicated with a freezing kettle, the freezing kettle is communicated with a valve B3, a valve B3 is communicated with an outlet of a pump B12, an inlet of the pump B12 is communicated with an outlet of a mother liquor configuration tank, an inlet of the mother liquor configuration tank is communicated with a valve C10, and a valve C10 is communicated with a pump C11; the automatic batching control system comprises an automatic batching controller 15, wherein the automatic batching controller 15 is respectively electrically connected with a weighing module A6, a weighing module B9, an electric valve B3, an anti-overflow switch 7, an electric appliance switch cabinet 14, an electric valve A4 and an electric valve C10, and the electric appliance control cabinet is electrically connected with a pump A2, a pump B12 and a pump C11; the automatic batching control instrument comprises a PLC and a liquid crystal operation panel; the PLC model is S7-1200; the model of the liquid crystal operation panel is TPC7062 TX; the valve B3 is a numerical control electro-hydraulic valve.

1. An automatic batching controller is a core device for realizing quantitative automatic batching. The main function is to carry out program control and safety interlock on the batching process, and the device is composed of a PLC (S7-1200) module, a liquid crystal operation panel (comprising an operation keyboard) and other auxiliary equipment (a terminal, a power supply, an explosion-proof box and the like). It can realize the following functions:

1.1 parameter function setting and quantitative charging control, the volume of the liquid that needs the pump to add when batching, the start-stop delay time of electro-hydraulic valve etc. parameter setting accomplishes the back batching control appearance and can combine weighing module's signal according to the reinforced volume of settlement and accomplish the reinforced of liquid material automatically and accurately.

1.2 the data acquisition and power down protection function can acquire signals transmitted by automatic instruments such as electrohydraulic valves, pumps, weighing modules and the like, the signals are compared with set values to make precise control, automatic feeding parameters can be kept after power down, and residual liquid materials are continuously added after power on.

1.3 scram function if an emergency occurs during the dosing process, the operator only needs to press the scram button to stop the dosing process.

1.4 overflow protection function, the overflow switch on the freezing kettle detects the signal and transmits the signal into the controller, and the controller can automatically stop the pump and stop the material adding.

1.5 remote and local ingredient mode switching functionality. The automatic batching control instrument can be remotely controlled by an upper computer and can also be controlled on site according to requirements.

1.6 communication networking function, this automatic batching control appearance is an open system, has powerful communication and networking ability, can link to each other with host computer and other systems in forms such as ethernet or RS485 net.

1.7 field instrument power supply function, the automatic batching control instrument can provide a power supply output terminal, and provides two types of power supplies of 24VDC and 220VAC for field instruments such as weighing modules and valves.

2. In the figure, the dotted line part is a power supply and data signal line of each autonomous device, and the solid line part is a pipeline.

3. Description of specific emulsion formulation procedures

3.1 the automatic batching control instrument panel of preparation of mother liquor sets up the material weight that needs to drop into when the mother liquor is prepared, clicks and begins, and the automatic material pump before opening the mother liquor preparation jar after the delay, the signal of installing the weighing module on the mother liquor preparation jar of real-time acquisition, when arriving the weight of adding the material soon, the controller automatic control reduces the aperture of electrohydraulic valve, and when arriving the weight that needs to add, the controller self-closing electrohydraulic valve, then stop the pump.

The weighing module has a peeling function or solid materials are put into the mother liquor preparation tank from a solid feeding port according to the display of the weighing module.

Starting stirring, and stirring and dissolving the solid materials completely. And finishing the preparation of the mother solution.

3.2 preparation of the emulsion

According to the formula proportion, the adding amount of the materials in the storage tank A is set on a control panel of the automatic batching control instrument, the material pump behind the storage tank is started after clicking, the time delay is carried out, the signal of a weighing module arranged on the freezing kettle is collected in real time, when the weight of the added materials is reached, the control instrument automatically controls to reduce the opening degree of the electro-hydraulic valve, when the weight required to be added is reached, the control instrument automatically closes the electro-hydraulic valve, and then the pump is stopped.

In the same way, the mother liquor can be automatically added into the freezing kettle, so that the precise proportioning of the materials is realized, and the stability of the process stability and the product quality is ensured.

4. According to the invention, the sampling valve is arranged at the outlet of the mother liquor from the conveying pump, the loss of effective components of the mother liquor in the circulating use is considered, the instability of the process is further caused, the density of the initial mother liquor can be taken as a control index, the loss of the effective components of the mother liquor after the circulating use is considered, when the process application cannot be met, the density is sampled and analyzed, the difference value of the density of the initial mother liquor is considered, and then solid matters are supplemented to the mother liquor preparation tank.

5. The overflow switch is arranged in the freezing kettle, so that the situation that the added materials exceed the upper limit after a fault occurs is considered, the overflow switch feeds back the signals to the automatic batching control instrument after the signals are detected, and the control instrument starts to chain stop all the feeding pumps.

6. The system can be connected to an upper computer and is controlled by the upper computer system.

Through the application of the system, the accuracy and the efficiency of the batching are improved, the loss is reduced, the labor intensity is reduced, and the management efficiency is improved.

The structure and connection relation not mentioned are common knowledge.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (5)

1. The utility model provides an automatic feed proportioning system in production of diesel oil antiwear agent which characterized in that: the system comprises a storage tank (1), wherein the storage tank (1) is communicated with a pump A (2), the pump A (2) is communicated with an electric valve A (4), the electric valve A (4) is communicated with a freezing kettle, the freezing kettle is communicated with a valve B (3), the valve B (3) is communicated with an outlet of a pump B (12), an inlet of the pump B (12) is communicated with an outlet of a mother liquor configuration tank, an inlet of the mother liquor configuration tank is communicated with a valve C (10), and the valve C (10) is communicated with a pump C (11); including automatic batching control appearance (15), automatic batching control appearance (15) respectively with weighing module A (6), weighing module B (9), motorised valve B (3), anti-overflow switch (7), electrical apparatus cubical switchboard (14), motorised valve A (4), motorised valve C (10) electricity be connected, electrical apparatus cubical switchboard and pump A (2), pump B (12), pump C (11) electricity be connected.

2. The automatic batching system in the production of the diesel antiwear agent is characterized in that: the automatic batching control instrument comprises a PLC and a liquid crystal operation panel.

3. The automatic batching system in the production of the diesel antiwear agent according to claim 2, characterized in that: the PLC model is S7-1200.

4. The automatic batching system in the production of the diesel antiwear agent according to claim 2, characterized in that: the model of the liquid crystal operating panel is TPC7062 TX.

5. The automatic batching system in the production of the diesel antiwear agent is characterized in that: and the valve B (3) is a numerical control electro-hydraulic valve.

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