Alkali loading vehicle filling flow early warning device

Abstract

The utility model relates to the technical field of chemical liquid material loading and unloading, in particular to an alkali loading filling flow early warning device which comprises an alkali loading pump, an inlet of the alkali loading pump is fixedly connected with a feeding pipe, an outlet of the alkali loading pump is provided with a discharging pipe, a flowmeter is arranged on the discharging pipe, and a conveying pipeline is detachably installed at the lower end of the discharging pipe. A protective shell is fixedly connected to the outer surface of the conveying pipeline, a switch is fixedly installed at the right end of the protective shell, a starting body is fixedly installed in the conveying pipeline, a control mechanism is movably connected in the conveying pipeline and located below the starting body, and the right side of the control mechanism is located in the protective shell. The filling flow early warning device for alkali loading is compact in structure, stable in transmission and reasonable in design, full-automatic quantitative loading of liquid alkali is achieved in the whole process, the loading capacity of the liquid alkali is accurately controlled, the loading efficiency of the liquid alkali is effectively improved, and a large number of manpower resources are saved.

Description

TECHNICAL FIELD

[0001] The utility model relates to chemical liquid material loading and unloading technical field, especially a kind of alkali loading filling flow early warning device. BACKGROUND

[0002] In chemical industry, as one of important basic chemicals, liquid caustic soda needs to be strictly controlled in loading quantity during production, transportation and storage to ensure production safety and economic benefits. However, the traditional liquid caustic soda loading mode mostly relies on manual monitoring, which has the following shortcomings: 1. precision problem: the traditional manual monitoring method cannot realize accurate control of liquid caustic soda loading quantity, which may lead to overloading or insufficient loading, affecting production efficiency and causing potential safety hazards; 2. low efficiency: manual operation is time-consuming and needs continuous monitoring, which increases labor cost and reduces loading efficiency. Therefore, in order to solve the above problems, we propose a kind of alkali loading filling flow early warning device. SUMMARY

[0003] The main purpose of the utility model is to provide a kind of alkali loading filling flow early warning device, which can effectively solve the problems in the background art.

[0004] To achieve the above purpose, the technical scheme adopted by the utility model is as follows:

[0005] A kind of alkali loading filling flow early warning device, comprising alkali loading pump, the inlet of alkali loading pump is fixedly connected with feed pipe, the outlet of alkali loading pump is provided with discharge pipe, flowmeter is arranged on the discharge pipe, the lower end of discharge pipe is detachably installed with conveying pipeline;

[0006] The outer surface of conveying pipeline is fixedly connected with protective shell, the right end of protective shell is fixedly installed with switch, the inside of conveying pipeline is fixedly installed with starting main body, the inside of conveying pipeline is movably connected with control mechanism, and control mechanism is located below starting main body, the right side of control mechanism is located in protective shell.

[0007] Preferably, the control mechanism comprises a reversible motor and a sealing plate, the reversible motor is fixedly installed in the protective shell, the output end of the reversible motor is fixedly installed with a drive gear through a rotating shaft, the sealing plate is movably installed in the conveying pipeline, the outer surface of the sealing plate is fixedly welded with a movable rod, the movable rod penetrates the conveying pipeline and is fixedly installed with a transmission gear, and the transmission gear and the drive gear are located in the same plane and are meshed with each other.

[0008] By adopting the above technical scheme: the reversible motor drives the drive gear to rotate, and the drive gear and the transmission gear are meshed to make the movable rod rotate, so that the sealing plate rotates to vertical or horizontal reset in the conveying pipeline.

[0009] Preferably, the sealing plate is coaxially arranged with the conveying pipeline, and the diameter of the sealing plate is equal to the inner diameter of the conveying pipeline.

[0010] By adopting the above technical scheme, the conveying pipeline can be sealed when the sealing plate is horizontally reset, and full-automatic quantitative loading of liquid alkali is realized.

[0011] Preferably, the forward-reverse motor is electrically connected with the switch.

[0012] By adopting the above technical scheme, the forward-reverse motor can be started through the switch.

[0013] Preferably, the starting main body comprises a fixed plate, the fixed plate is fixedly connected with the inner surface of the conveying pipeline, the lower end of the fixed plate is fixedly connected with a control contact, and the upper end of the fixed plate is annularly provided with four through grooves.

[0014] By adopting the above technical scheme, the four through grooves are arranged to facilitate unobstructed discharge of liquid alkali in the conveying pipeline.

[0015] Preferably, when the sealing plate is vertically arranged, the upper end surface of the sealing plate is in contact with the control contact.

[0016] By adopting the above technical scheme, when the sealing plate is in contact with the control contact, the alkali loading pump starts to work.

[0017] Preferably, the front end of the alkali loading pump is fixedly connected with a controller, and the controller is electrically connected with the control contact, the forward-reverse motor and the flowmeter.

[0018] By adopting the above technical scheme, the controller can control the forward-reverse motor to reversely rotate to reset, and when the sealing plate is separated from the control contact, the alkali loading pump stops working.

[0019] Compared with the prior art, the utility model has the advantages of the following beneficial effects:

[0020] 1. The driving gear is engaged with the transmission gear to rotate the movable rod, so that the sealing plate rotates to be vertical in the conveying pipeline, at this time, the sealing plate is in contact with the control contact, the alkali loading pump is started through the control contact, and the liquid alkali is pumped into the tank car through the cooperation of the alkali loading pump and the discharge pipe, so that the structure is compact, the transmission is stable, and the design is reasonable.

[0021] 2. When the flowmeter detects that the liquid alkali amount delivered by the alkali loading pump reaches a preset value, the controller controls the forward-reverse motor to reversely rotate to reset, at this time, the sealing plate is separated from the control contact, and the alkali loading pump stops working, so that the full-automatic quantitative loading of liquid alkali is realized, the liquid alkali loading amount is accurately controllable, the liquid alkali loading efficiency is effectively improved, and a large amount of human resources is saved. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is the whole structure schematic view of the alkali loading vehicle filling flow early warning device of the utility model;

[0023] Figure 2 It is the internal structure schematic view of the conveying pipeline of the alkali loading vehicle filling flow early warning device of the utility model;

[0024] Figure 3 It is the structure schematic view of the control mechanism of the alkali loading vehicle filling flow early warning device of the utility model;

[0025] Figure 4 It is the structure schematic view of the starting main body of the alkali loading vehicle filling flow early warning device of the utility model.

[0026] In the drawing: 1, alkali loading pump; 2, feed pipe; 3, discharge pipe; 4, flow meter; 5, conveying pipeline; 6, protective shell; 7, switch; 8, control mechanism; 9, starting main body; 10, controller; 81, reversible motor; 82, drive gear; 83, sealing plate; 84, movable rod; 85, transmission gear; 91, fixed plate; 92, control contact; 93, through slot. DETAILED DESCRIPTION

[0027] In order to make the technical means, creative features, purposes and effects achieved by the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0028] In the description of the utility model, it should be pointed out that the orientation or position relationship indicated by the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end" and "the other end" is the orientation or position relationship shown in the drawing, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0029] In the description of the utility model, it should be pointed out that unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "connection" and the like should be broadly understood, for example, "connection" can be fixed connection, can also be detachable connection, or integrally connected; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium; can be the communication inside two elements. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0030] Please refer to Figures 1-4 The utility model provides a technical scheme:

[0031] The alkali loading pump 1 is provided with an inlet fixedly connected with a feeding pipe 2, and an outlet provided with a discharging pipe 3. The discharging pipe 3 is provided with a flowmeter 4, and the lower end of the discharging pipe 3 is detachably provided with a conveying pipe 5. The outer surface of the conveying pipe 5 is fixedly connected with a protective shell 6, and the right end of the protective shell 6 is fixedly provided with a switch 7. The conveying pipe 5 is fixedly provided with a starting body 9, and the conveying pipe 5 is movably connected with a control mechanism 8, which is located below the starting body 9 and in the protective shell 6.

[0032] In the embodiment, the control mechanism 8 comprises a reversible motor 81 and a sealing plate 83. The reversible motor 81 is fixedly installed in the protective shell 6, and the output end of the reversible motor 81 is fixedly provided with a driving gear 82 through a rotating shaft. The sealing plate 83 is movably installed in the conveying pipe 5, and the outer surface of the sealing plate 83 is fixedly welded with a movable rod 84. The movable rod 84 penetrates through the conveying pipe 5 and is fixedly provided with a transmission gear 85. The transmission gear 85 and the driving gear 82 are located in the same plane and are meshed with each other. The sealing plate 83 is coaxially arranged with the conveying pipe 5, and the diameter of the sealing plate 83 is equal to the inner diameter of the conveying pipe 5. The reversible motor 81 is electrically connected with the switch 7.

[0033] Through the above scheme: the reversible motor 81 is started through the switch 7, the driving gear 82 is driven to rotate through the reversible motor 81, the movable rod 84 is rotated through the meshing of the driving gear 82 and the transmission gear 85, so that the sealing plate 83 is rotated to be perpendicular in the conveying pipe 5. At this time, the sealing plate 83 is in contact with the control contact 92. The caustic soda pump 1 is used in cooperation with the discharging pipe 3 to pump the liquid caustic soda into the tank car.

[0034] In the embodiment, the starting body 9 comprises a fixed plate 91, which is fixedly connected with the inner surface of the conveying pipe 5. The lower end of the fixed plate 91 is fixedly connected with a control contact 92, and the upper end of the fixed plate 91 is annularly provided with four through grooves 93. When the sealing plate 83 is vertically arranged, the upper end surface of the sealing plate 83 is in contact with the control contact 92. The front end of the caustic soda pump 1 is fixedly connected with a controller 10, which is electrically connected with the control contact 92, the reversible motor 81 and the flowmeter 4.

[0035] Through the above scheme: the caustic soda pump 1 is started through the control contact 92, and the liquid caustic soda is pumped into the tank car through the cooperation of the caustic soda pump 1 and the discharging pipe 3. When the flowmeter 4 detects that the amount of liquid caustic soda delivered by the caustic soda pump 1 reaches a preset value, the controller 10 controls the reversible motor 81 to rotate reversely to reset. At this time, the sealing plate 83 is separated from the control contact 92, and the caustic soda pump 1 stops working. The whole process realizes the full-automatic quantitative loading of the liquid caustic soda, so that the loading amount of the liquid caustic soda is accurately controllable. Not only the loading efficiency of the liquid caustic soda is effectively improved, but also a large amount of human resources is saved.

[0036] It should be noted that the utility model is a kind of alkali loading filling flow early warning device, in the use process, switch 7 is started by positive and negative motor 81, drive gear 82 is rotated by positive and negative motor 81, and active rod 84 is rotated by drive gear 82 and transmission gear 85 engagement makes, so that sealing plate 83 rotates to vertical in conveying pipeline 5, at this time, sealing plate 83 is contacted with control contact 92, and alkali loading pump 1 is started by control contact 92, and liquid caustic soda is pumped into tank car by alkali loading pump 1 and discharge pipe 3 cooperation, the flow of liquid caustic soda is detected using flowmeter 4, when flowmeter 4 detects that the amount of liquid caustic soda transported by alkali loading pump 1 reaches the preset value, controller 10 controls positive and negative motor 81 reverse rotation to reset, at this time, sealing plate 83 is separated from control contact 92, and alkali loading pump 1 stops working, the whole process realizes the full-automatic quantitative loading of liquid caustic soda, so that the loading amount of liquid caustic soda is accurately controllable, not only effectively improve the loading efficiency of liquid caustic soda, and save a lot of human resources.

[0037] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the claimed utility model. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A kind of alkali car loading filling flow early warning device, including alkali loading pump (1), it is characterized by: The inlet of the alkali filling pump (1) is fixedly connected with a feeding pipe (2), the outlet of the alkali filling pump (1) is provided with a discharging pipe (3), the discharging pipe (3) is provided with a flowmeter (4), and the lower end of the discharging pipe (3) is detachably installed with a conveying pipe (5). The outer surface of the conveying pipe (5) is fixedly connected with a protective shell (6), the right end of the protective shell (6) is fixedly installed with a switch (7), the conveying pipe (5) is fixedly installed with a starting body (9), the conveying pipe (5) is movably connected with a control mechanism (8), and the control mechanism (8) is located below the starting body (9), and the right side of the control mechanism (8) is located in the protective shell (6).

2. The alkali loading flow pre-warning device according to claim 1, characterized in that: The control mechanism (8) comprises a reversible motor (81) and a sealing plate (83), the reversible motor (81) is fixedly installed in the protective shell (6), the output end of the reversible motor (81) is fixedly installed with a driving gear (82) through a rotating shaft, the sealing plate (83) is movably installed in the conveying pipe (5), the outer surface of the sealing plate (83) is fixedly welded with a movable rod (84), the movable rod (84) penetrates through the conveying pipe (5) and is fixedly installed with a transmission gear (85), and the transmission gear (85) and the driving gear (82) are located in the same plane and are meshed with each other.

3. The alkali loading flow pre-warning device according to claim 2, characterized in that: The sealing plate (83) is coaxially arranged with the conveying pipe (5), and the diameter of the sealing plate (83) is equal to the inner diameter of the conveying pipe (5).

4. The alkali loading flow pre-warning device according to claim 2, characterized in that: The reversible motor (81) is electrically connected with the switch (7).

5. The alkali loading flow pre-warning device according to claim 1, characterized in that: The starting body (9) comprises a fixed plate (91), the fixed plate (91) is fixedly connected with the inner surface of the conveying pipe (5), the lower end of the fixed plate (91) is fixedly connected with a control contact (92), and the upper end of the fixed plate (91) is annularly provided with four through grooves (93).

6. The alkali loading flow pre-warning device according to claim 2, characterized in that: When the sealing plate (83) is vertically arranged, the upper end surface of the sealing plate (83) is in contact with the control contact (92).

7. The alkali loading flow pre-warning device according to claim 1, characterized in that: The front end of the alkali filling pump (1) is fixedly connected with a controller (10), and the controller (10) is electrically connected with the control contact (92), the reversible motor (81) and the flowmeter (4).

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