Filling device

Abstract

The utility model discloses a filling device which comprises a first filling cylinder, the whole first filling cylinder is of a regular hexagonal prism structure, the bottom ends of the six side faces of the first filling cylinder are fixedly connected with second filling cylinders, the second filling cylinders are communicated with the interior of the first filling cylinder, and the second filling cylinders are communicated with the interior of an inlet. A first piston is slidably arranged in the first filling cylinder in a matched mode, a second piston is slidably arranged in the second filling cylinder in a matched mode, and a discharging pipe is arranged in the center of the bottom of the first filling cylinder. According to the viscosity reducer injection device, frequent filling of viscosity reducers is not needed, the first piston and the second piston are both pneumatically controlled through the inflator pump, then through cooperation of the first gas injection pipe, the second gas injection pipe and the control valve, the viscosity reducers in the multiple second injection barrels and the first injection barrel can be injected one by one, injection of the viscosity reducers is quite convenient and rapid, and the injection efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of viscosity reducer, specifically is a filling device. BACKGROUND

[0002] Petroleum is a complex mixture, mainly containing various hydrocarbons, colloid, asphaltene and different component contents, resulting in different color and properties of crude oil. One kind of petroleum has the deepest color, very viscous physical properties, and is difficult to flow, but it accounts for 70% of global crude oil reserves, and we generally call it "heavy oil", so in the process of oil exploitation, it is necessary to inject viscosity reducer into the oil well to reduce the viscosity of crude oil, so as to facilitate the exploitation of heavy oil and petroleum.

[0003] According to the patent number CN 219232231 U discloses a kind of viscosity reducer filling device, including filling shell, it is filled with viscosity reducer between filling shell and pressing plate when using, rotating adjusting rod, adjusting rod is rotated in the inner wall of adjusting port, so that the pressing plate is extruded to viscosity reducer, so that the viscosity reducer fills discharge pipe, then makes discharge pipe downward and inserts into wellhead, realizes the addition of viscosity reducer, but the existing device rotating adjusting rod is screw rod, when adjusting length is longer, the device overall length needs to be set longer, if screw rod is set shorter, the amount of viscosity reducer stored in filling shell is too small at one time, it needs to fill viscosity reducer into filling shell frequently, it is very troublesome to operate, and screw rod is rusted after long-term use, for this purpose, we propose a kind of filling device. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of filling device to solve the problems raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of filling device, including first filling barrel, the whole of the first filling barrel is regular hexagonal prism structure, the bottom of the six side faces of the first filling barrel is fixed with second filling barrel, and second filling barrel is communicated with the inside of first filling barrel, the second filling barrel is communicated with the inside of access, the first piston is slidably arranged in the first filling barrel, the second piston is slidably arranged in the second filling barrel, the center of the bottom of the first filling barrel is provided with discharge pipe, the outside of the first filling barrel and second filling barrel is provided with inflation mechanism for pushing the viscosity reducer inside the first filling barrel and second filling barrel.

[0006] Preferably, the inflating mechanism comprises an inflating pump, the top of the first filling cylinder is fixedly provided with the inflating pump, the air inlet end of the inflating pump is communicated with the outside, and the air outlet end of the inflating pump is connected with a breather pipe, one end of the breather pipe is connected with the first gas injection pipe, the end of the six second filling cylinders is provided with a second gas injection pipe, and the end of the six second gas injection pipes is connected with a connecting pipe, and the other end of the breather pipe is connected with the connecting pipe.

[0007] Preferably, the outer sides of the six second gas injection pipes and the first gas injection pipe are provided with control valves.

[0008] Preferably, the side walls of the first filling cylinder and the second filling cylinder are provided with observation windows, and the surfaces of the first filling cylinder and the second filling cylinder located outside the observation windows are provided with length scale lines.

[0009] Preferably, the outer sides of the first filling cylinder and the second filling cylinder are provided with handles, and the two handles are fixedly connected to the top of the second filling cylinder.

[0010] Preferably, the bottom ends of the six side walls of the first piston are provided with through holes, the second filling cylinder is communicated with the inside of the first filling cylinder through the through holes, and the inside wall of one end of the second filling cylinder is integrally provided with a limiting frame.

[0011] Compared with the prior art, the beneficial effects of the utility model are that: the six second filling cylinders and the first filling cylinder can store viscosity reducers, a large amount of viscosity reducers can be stored at one time, the viscosity reducers do not need to be frequently filled, the viscosity reducers can be injected for a long time, the second piston is arranged in the second filling cylinder, the first piston is arranged in the first filling cylinder, the first piston and the second piston are controlled by the inflating pump, and the viscosity reducers in the plurality of second filling cylinders and the first filling cylinder can be injected one by one through cooperation of the first gas injection pipe, the second gas injection pipe and the control valve, the viscosity reducers are very convenient and fast to inject, and the injection efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a whole structure schematic view of the utility model;

[0013] Figure 2 It is a first filling cylinder inside connecting structure schematic view of the utility model;

[0014] Figure 3 It is a whole structure schematic view of the utility model;

[0015] Figure 4 It is a second filling cylinder section view structure schematic view of the utility model.

[0016] In the figure: 1, the first filling cylinder; 2, the second filling cylinder; 3, the first piston; 4, the first gas injection pipe; 5, the inlet; 6, the second piston; 7, the second gas injection pipe; 8, the limiting frame; 9, the connecting pipe; 10, the observation window; 11, the control valve; 12, the inflation mechanism; 13, the air pipe; 14, the inflation pump; 15, the handle; 16, the discharge pipe. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0018] Please refer to Figure 1 and Figure 3 The present application provides a technical solution: a filling device, comprising a first filling cylinder 1, the whole first filling cylinder 1 is in a regular hexagonal prism structure, the bottom end of each of the six sides of the first filling cylinder 1 is fixedly connected with a second filling cylinder 2, and the second filling cylinder 2 is in communication with the inside of the first filling cylinder 1, and the second filling cylinder 2 is in communication with the inside of the inlet 5.

[0019] It should be noted that the six second filling cylinders 2 and the first filling cylinder 1 can all store viscosity reducing agents, can store a large amount of viscosity reducing agents at one time, do not need to be frequently filled with viscosity reducing agents, and can inject viscosity reducing agents for a long time.

[0020] Please refer to Figure 2 and Figure 4 A first piston 3 is slidably arranged in the first filling cylinder 1, a second piston 6 is slidably arranged in the second filling cylinder 2, a discharge pipe 16 is arranged at the bottom center of the first filling cylinder 1, and an inflation mechanism 12 for pushing out the viscosity reducing agents in the first filling cylinder 1 and the second filling cylinder 2 is arranged outside the first filling cylinder 1 and the second filling cylinder 2.

[0021] It should be noted that the discharge pipe 16 is in communication with the outside, the first piston 3 is sealingly connected with the inner wall of the first filling cylinder 1, and the second piston 6 is sealingly connected with the inner wall of the second filling cylinder 2, so that the piston can extrude the viscosity reducing agents to be discharged through the discharge pipe 16.

[0022] Please refer to Figure 1, the inflating mechanism 12 comprises an inflating pump 14, the inflating pump 14 is fixedly installed at the top of the first filling cylinder 1, the air inlet end of the inflating pump 14 is communicated with the outside, and the air outlet end of the inflating pump 14 is connected with the air pipe 13, one end of the air pipe 13 is connected with the first inflating pipe 4, the end portions of the six second filling cylinders 2 are provided with the second inflating pipes 7, and the end portions of the six second inflating pipes 7 are connected with the connecting pipe 9, and the other end of the air pipe 13 is connected with the connecting pipe 9.

[0023] It should be noted that the first piston 3 and the second piston 6 are controlled pneumatically by the inflating pump 14, and the first inflating pipe 4, the second inflating pipe 7 and the control valve 11 are matched, so that the viscosity reducer in the plurality of second filling cylinders 2 and the first filling cylinder 1 can be injected one by one, the injection of the viscosity reducer is very convenient and fast, and the injection efficiency is improved.

[0024] Please refer to Figure 1 The outer sides of the six second inflating pipes 7 and the first inflating pipe 4 are provided with the control valves 11.

[0025] It should be noted that, in the initial state, the first piston 3 is located at the top end in the first filling cylinder 1, the second piston 6 is located at the end away from the first filling cylinder 1 in the second filling cylinder 2, the material injection port of the second filling cylinder 2 is provided with a sealable injection port, the viscosity reducer is placed in the second filling cylinder 2 and the first filling cylinder 1, then the injection port is closed, the device is provided with a control system for control, the control valve 11 on the second inflating pipe 7 at the end of one of the second filling cylinders 2 is opened, and the control valves 11 of the remaining second filling cylinders 2 are in the closed state, when injection is performed, the inflating pump 14 can be controlled to work, so that the gas is injected into the second filling cylinder 2, the gas pressure extrudes the second piston 6 to slide in the second filling cylinder 2, and the viscosity reducer is pushed into the first filling cylinder 1, at this time, the pressure in the first filling cylinder 1 is increased, so that the viscosity reducer is discharged through the discharge pipe 16 at the bottom of the first filling cylinder 1, the injection of the viscosity reducer is realized, the amount of the viscosity reducer injected can be observed through the observation window 10 and the scale line on the second filling cylinder 2, when the viscosity reducer in the second filling cylinder 2 is injected completely, the control valve 11 on the second inflating pipe 7 at the end of the second filling cylinder 2 is closed, another second filling cylinder 2 is opened, and the injection of the viscosity reducer can be continuously performed, in the same way, when the viscosity reducer in all the second filling cylinders 2 is injected completely, the control valves 11 on the second inflating pipes 7 at the ends of all the second filling cylinders 2 are closed, and the control valve 11 on the first inflating pipe 4 is opened, so that the gas is injected into the first filling cylinder 1, the first piston 3 is extruded, the viscosity reducer in the first piston 3 is discharged through the discharge pipe 16, and therefore the amount of the viscosity reducer stored by the device is large, the viscosity reducer does not need to be filled frequently, and the injection of the viscosity reducer can be performed for a long time.

[0026] Please refer to Figure 1The side wall of the first filling cylinder 1 and the second filling cylinder 2 is provided with an observation window 10, and the surface of the first filling cylinder 1 and the second filling cylinder 2 located outside the observation window 10 is provided with a length scale line.

[0027] It should be noted that the amount of viscosity reducer injection can be observed through the cooperation of the observation window 10 and the length scale line, facilitating quantitative injection.

[0028] Please refer to Figure 1 The first filling cylinder 1 is externally provided with two handles 15 symmetrically, and the two handles 15 are fixedly connected to the top of the second filling cylinder 2.

[0029] It should be noted that the handles 15 are arranged to facilitate the taking and carrying of the device.

[0030] Please refer to Figure 2 The bottom end of the six side walls of the first piston 3 is provided with a through port 5, the second filling cylinder 2 is communicated with the inside of the first filling cylinder 1 through the through port 5, and the second filling cylinder 2 is integrally provided with a limiting frame 8 on the inner wall of one end of the through port 5.

[0031] It should be noted that the limiting frame 8 can limit the sliding of the second piston 6, avoiding the second piston 6 entering the inside of the first filling cylinder 1 through the through port 5.

[0032] In addition, the terms "first", "second", "third", "fourth" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features, so the features limited by "first", "second", "third", "fourth" can be explicitly or implicitly included at least one of the features.

[0033] In the present application, unless otherwise explicitly specified and limited, the terms "installation", "setting", "connection", "fixing", "screw connection" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication or interaction relationship between two elements, unless otherwise explicitly limited, the above-mentioned terms in the present application can be understood according to the specific meaning of the above-mentioned terms in the present application by the person skilled in the art according to the specific situation.

[0034] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the present application, the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A dispensing device, characterized in that, The first filling cylinder (1) is formed as a regular hexagonal prism. The bottom of each of the six sides of the first filling cylinder (1) is fixedly connected to a second filling cylinder (2). The second filling cylinder (2) is connected to the interior of the first filling cylinder (1) and the second filling cylinder (2) is connected to the interior of the inlet (5). A first piston (3) is slidably disposed inside the first filling cylinder (1) and a second piston (6) is slidably disposed inside the second filling cylinder (2). A discharge pipe (16) is disposed at the bottom center of the first filling cylinder (1). An air-filling mechanism (12) for pushing out the viscosity reducer inside the first filling cylinder (1) and the second filling cylinder (2) is disposed on the outside of the first filling cylinder (1) and the second filling cylinder (2).

2. The dispensing device according to claim 1, characterized in that: The inflation mechanism (12) includes an inflation pump (14). The inflation pump (14) is fixedly installed on the top of the first filling cylinder (1). The air inlet of the inflation pump (14) is connected to the outside, and the air outlet of the inflation pump (14) is connected to a vent pipe (13). One end of the vent pipe (13) is connected to the first air injection pipe (4). The ends of the six second filling cylinders (2) are all provided with second air injection pipes (7), and the ends of the six second air injection pipes (7) are connected to a connecting pipe (9). The other end of the vent pipe (13) is connected to the connecting pipe (9).

3. The dispensing device according to claim 2, characterized in that: Control valves (11) are installed on the outside of the six second gas injection pipes (7) and the first gas injection pipe (4).

4. The dispensing device according to claim 1, characterized in that: The first filling cylinder (1) and the second filling cylinder (2) are each provided with an observation window (10) on one side wall, and the surfaces of the first filling cylinder (1) and the second filling cylinder (2) are provided with length scale lines outside the observation window (10).

5. The dispensing device according to claim 1, characterized in that: The first filling cylinder (1) is symmetrically provided with handles (15) on its exterior, and the two handles (15) are fixed to the top of the second filling cylinder (2).

6. The dispensing device according to claim 1, characterized in that: The bottom of each of the six side walls of the first piston (3) is provided with an inlet (5). The second filling cylinder (2) is connected to the inside of the first filling cylinder (1) through the inlet (5). A limit frame (8) is integrally provided on the inner wall of the second filling cylinder (2) located at the inlet (5).

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