Low-flow liquid filling equipment control system

Abstract

The utility model relates to a low-flow liquid filling equipment control system which comprises a connecting pipe, a conical pipe fixedly connected to the bottom end of the connecting pipe, a round pipe fixed to the end, close to the connecting pipe, of the conical pipe, a rotating pipe with one closed end in threaded connection with the free end of the round pipe, a water outlet pipe fixedly communicated with the bottom of the rotating pipe, and a valve body in threaded connection with the bottom end of the water outlet pipe. A convex ring is integrally formed on the inner side of the valve body, the top of the convex ring is conical, and a valve rod capable of moving up and down is arranged in the valve body. The connecting pipe is communicated with the bottom of an original container for filling liquid, the flow of the filled liquid is preliminarily reduced through the conical pipe, and the filled liquid can enter the valve body through the round pipe, the rotary pipe and the water outlet pipe; the filled liquid can be filled into the mixing tank through the drainage hole, and the flow of the filled liquid can be further controlled by adjusting the height position of the rotating block.

Description

Technical Field

[0001] The utility model relates to an oil recovery agent filling control technology, in particular to a low-flow liquid filling equipment control system. Background Art

[0002] Currently, chemical substances are used to improve the properties of oil, gas, water and rocks to extract more oil, which is called tertiary oil recovery. Therefore, chemicals need to be mixed before oil production. When mixing chemicals for oil production, a low-flow liquid filling equipment control system is usually required to control the liquid flow added to the mixing tank.

[0003] Existing low-flow liquid filling equipment control systems are often not convenient for pre-controlling the flow of the liquid to be filled before it passes through the control valve, thereby achieving the purpose of reducing the flow before passing through the control valve and avoiding causing greater pressure on the control valve. Utility Model Content

[0004] The utility model aims to provide a low-flow liquid filling equipment control system, which is used to solve the problem that the existing low-flow liquid filling equipment control system is often inconvenient to pre-control the flow of the liquid to be filled before passing through the control valve.

[0005] In order to solve the above problems, the utility model provides a control system for low-flow liquid filling equipment, including a connecting pipe, the bottom end of the connecting pipe is fixedly connected to a conical tube, a round tube is fixed to one end of the conical tube close to the connecting pipe, the free end of the round tube is threadedly connected to a spiral tube with one end closed, the bottom of the spiral tube is fixedly connected to a water outlet pipe, the bottom end of the water outlet pipe is threadedly connected to a valve body, a convex ring is integrally formed on the inner side of the valve body, the top of the convex ring is conically arranged, a valve stem that can move up and down is arranged in the valve body, a rotary block is fixed to the top of the valve stem, the lower side of the rotary block can cooperate with the top of the convex ring, and a drainage hole is arranged on one side of the bottom of the valve body.

[0006] The low-flow liquid filling equipment control system provided by the utility model also has the following technical features:

[0007] Furthermore, a shrinking tube is fixed inside the circular tube, and the shrinking portion of the shrinking tube is arranged opposite to the cone head of the conical tube.

[0008] Furthermore, the bottom of the circular tube is fixedly connected with a drainage pipe, and a cock is threadedly connected inside the drainage pipe.

[0009] Furthermore, the bottom end of the valve stem is threadedly connected to the bottom of the valve body, and the bottom end of the valve stem extends out of the valve body and is fixed with a knob.

[0010] Furthermore, an injection pipe is fixedly connected to the drainage hole at the bottom of the valve body.

[0011] Furthermore, a sealing plug is fixed to the lower side of the rotary block, and the lower side of the sealing plug can contact the top of the convex ring.

[0012] The utility model has the following beneficial effects: by connecting the connecting pipe to the bottom of the original container for filling liquid, the flow rate of the filled liquid is initially reduced through the tapered pipe, and the filled liquid can enter the interior of the valve body through the circular pipe, the spiral pipe and the water outlet pipe. When the rotary block moves upward to form a passage between the water outlet pipe and the bottom of the valve body, the filled liquid can be filled into the mixing tank through the drainage hole, and by adjusting the height position of the rotary block, the flow rate of the filled liquid can be further controlled, thereby facilitating the filling control of low-flow liquid and avoiding causing greater pressure on the control valve. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is an axonometric diagram of an embodiment of the utility model;

[0014] Figure 2 It is a front view cutaway diagram of an embodiment of the utility model;

[0015] Figure 3 For the utility model embodiment Figure 2 Schematic diagram of the structure enlarged at point A in the middle. DETAILED DESCRIPTION

[0016] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments. It should be noted that the embodiments and features in the embodiments of the present invention can be combined with each other without conflict.

[0017] like Figures 1 to 3In the embodiment of the control system of the low-flow liquid filling equipment of the utility model shown, the control system of the low-flow liquid filling equipment includes a connecting pipe 1, the bottom end of the connecting pipe 1 is fixedly connected with a conical pipe 2, the end of the conical pipe 2 close to the connecting pipe 1 is fixed with a round pipe 3, the free end of the round pipe 3 is threadedly connected with a coil 4 with one end closed, the bottom of the coil 4 is fixedly connected with a water outlet pipe 5, the bottom end of the water outlet pipe 5 is threadedly connected with a valve body 6, the inner side of the valve body 6 is integrally formed with a convex ring 7, the top of the convex ring 7 is conical, a valve stem 8 that can move up and down is arranged in the valve body 6, a rotary block 9 is fixed on the top of the valve stem 8, the lower side of the rotary block 9 can cooperate with the top of the convex ring 7, and one side of the bottom of the valve body 6 is provided Drain hole, by connecting the connecting pipe 1 to the bottom of the original container for filling liquid, the filled liquid initially reduces the flow of the liquid through the tapered pipe 2, so as to achieve the purpose of reducing the flow before passing through the control valve, and the filled liquid can enter the valve body 6 through the circular pipe 3, the spiral pipe 4 and the outlet pipe 5. When the rotary block 9 moves upward to form a passage between the outlet pipe 5 and the bottom of the valve body 6, the filled liquid can be filled into the mixing tank through the drain hole, and by adjusting the height position of the rotary block 9, the flow size of the filled liquid can be further controlled, thereby facilitating the control of low-flow liquid filling. The control valve is composed of a valve body 6, a convex ring 7, a valve stem 8, a rotary block 9 and a sealing plug 13.

[0018] In one embodiment of the present application, preferably, a tapered tube 10 is fixed in the circular tube 3, and the tapered portion of the tapered tube 10 is arranged opposite to the cone head of the tapered tube 2. Through the arrangement of the tapered tube 10, the flow rate of the injected liquid entering the tapered tube 10 can be further reduced, thereby pre-controlling the flow rate of the injected liquid before passing through the control valve, thereby achieving the purpose of reducing the flow rate before passing through the control valve.

[0019] In one embodiment of the present application, preferably, a drainage pipe 11 is fixedly connected to the bottom of the circular tube 3 , and a stopcock is threadedly connected to the drainage pipe 11 . By opening the stopcock, the drainage pipe 11 can discharge the residual liquid in the circular tube 3 .

[0020] In one embodiment of the present application, preferably, the bottom end of the valve stem 8 is threadedly connected to the bottom of the valve body 6, the bottom end of the valve stem 8 extends out of the valve body 6 and is fixed with a knob, and the rotary block 9 can be driven to move up and down by rotating the valve stem 8.

[0021] In one embodiment of the present application, preferably, an injection pipe 12 is fixedly connected to the drainage hole at the bottom of the valve body 6, and the injection pipe 12 can be connected to the mixing tank.

[0022] In one embodiment of the present application, preferably, a sealing plug 13 is fixed to the lower side of the rotary block 9 , and the lower side of the sealing plug 13 can contact with the top of the convex ring 7 .

[0023] When the utility model is in use, the connecting pipe 1 is connected to the bottom of the original container for filling liquid, the water filling pipe 12 is connected to the mixing tank, and the filled liquid initially reduces the flow rate of the liquid through the tapered pipe 2. The narrowing pipe 10 can further reduce the flow rate of the filled liquid entering the narrowing pipe 10. The filled liquid can enter the valve body 6 through the circular pipe 3, the spiral pipe 4 and the water outlet pipe 5. Rotating the valve stem 8 can drive the rotary block 9 to move upward, so that the water outlet pipe 5 and the bottom of the valve body 6 form a passage. The filled liquid can be filled into the mixing tank through the drain hole, and by adjusting the height position of the spiral block 9, the flow rate of the filled liquid can be further controlled, thereby facilitating the low-flow liquid filling control. Opening the stopcock can enable the drain pipe 11 to discharge the residual liquid in the circular pipe 3.

[0024] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the utility model.

Claims

1. A control system for low-flow liquid filling equipment, comprising a pipe (1), characterized in that: The bottom end of the connecting pipe (1) is fixedly connected to a conical pipe (2), an end of the conical pipe (2) close to the connecting pipe (1) is fixedly connected to a round pipe (3), the free end of the round pipe (3) is threadedly connected to a spiral pipe (4) with one end closed, the bottom of the spiral pipe (4) is fixedly connected to a water outlet pipe (5), the bottom end of the water outlet pipe (5) is threadedly connected to a valve body (6), a convex ring (7) is integrally formed on the inner side of the valve body (6), the top of the convex ring (7) is arranged in a conical shape, a valve stem (8) movable up and down is arranged in the valve body (6), a rotary block (9) is fixedly connected to the top of the valve stem (8), the lower side of the rotary block (9) can cooperate with the top of the convex ring (7), and a drainage hole is arranged on one side of the bottom of the valve body (6).

2. The low-flow liquid filling equipment control system according to claim 1, characterized in that: A necked tube (10) is fixed inside the circular tube (3), and the necked portion of the necked tube (10) is arranged opposite to the conical head of the conical tube (2).

3. The low-flow liquid filling equipment control system according to claim 2 is characterized in that: The bottom of the circular tube (3) is fixedly connected to a drainage pipe (11), and the drainage pipe (11) is internally threadedly connected to a cock.

4. The low-flow liquid filling equipment control system according to claim 1, characterized in that: The bottom end of the valve stem (8) is threadedly connected to the bottom of the valve body (6); the bottom end of the valve stem (8) extends out of the valve body (6) and is fixed with a knob.

5. The low-flow liquid filling equipment control system according to claim 1, characterized in that: The drainage hole at the bottom of the valve body (6) is fixedly connected to an injection pipe (12).

6. The low-flow liquid filling equipment control system according to claim 1, characterized in that: A sealing plug (13) is fixed to the lower side of the rotary block (9), and the lower side of the sealing plug (13) can abut against the top of the convex ring (7).

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