A compressed air source device used in a thin-oil seal type gas holder and a thin-oil seal type gas holder

Abstract

The application relates to the field of combustible medium transportation and distribution, in particular to a compressed air source device used in a dilute oil sealing type gas holder and the dilute oil sealing type gas holder, wherein the dilute oil sealing type gas holder comprises a gas holder top operation platform and a gas holder piston arranged in the dilute oil sealing type gas holder, and the compressed air source device comprises: a first compressed air source unit arranged on the gas holder top operation platform; a second compressed air source unit arranged on the gas holder piston; and a control unit connected with the first compressed air source unit and the second compressed air source unit respectively, the control unit is configured to control the first compressed air source unit and the second compressed air source unit in response to the movement of the gas holder piston. The device disclosed by the application is not only convenient to construct, simple to maintain and low in energy consumption, but also can solve the problems that the air source pipe cannot move up and down along with the piston and the air source pipe falls into the piston oil groove to cause the piston to be stuck in the prior art.

Description

Technical Field

[0001] The present invention relates to the field of combustible medium transmission and distribution, and in particular to a compressed air source device used in a thin oil sealed gas cabinet and the thin oil sealed gas cabinet. Background Art

[0002] With the advancement of oil-sealed gas tank technology, many pneumatic devices have been added to the tank. However, due to the Class A and B fire protection requirements of oil-sealed gas tanks and the splashing of sealing oil inside the gas tank, the gas source pipe of the pneumatic device is corroded. There are problems such as the gas source pipe being unable to move up and down with the piston and the gas source pipe falling into the piston oil groove. A better solution has not been found so far.

[0003] Based on this, the existing technology still needs to be improved, and there is an urgent need to invent a device that can meet Class A and Class B fire protection requirements and can safely, continuously and stably provide an air source for a pneumatic device. Summary of the Invention

[0004] In order to meet the Class A and Class B fire protection requirements of thin oil sealed gas holders, and at the same time solve the problems of sealing oil splashing inside the gas holder causing corrosion of the gas source pipe, and the gas source pipe falling into the piston oil groove causing piston jamming, the present application proposes a compressed air source device for use in thin oil sealed gas holders.

[0005] Specifically, on the one hand, the present application proposes a compressed air source device for use in a thin oil sealed gas tank, wherein the thin oil sealed gas tank includes a gas tank top working platform and a gas tank piston arranged therein, and the compressed air source device includes: a first compressed air source unit arranged on the gas tank top working platform; a second compressed air source unit arranged on the gas tank piston; and a control unit respectively connected to the first compressed air source unit and the second compressed air source unit, the control unit being configured to control the first compressed air source unit and the second compressed air source unit in response to the movement of the gas tank piston.

[0006] In an embodiment of the present application, the compressed air source device further includes a cabinet position monitoring unit arranged on the top working platform of the gas tank cabinet, and the cabinet position monitoring unit is connected to the control unit and configured to monitor the movement of the gas tank piston and send signals related to the movement of the gas tank piston to the control unit.

[0007] In an embodiment of the present application, the compressed air source device further includes an air source pipe, which is connected between the first compressed air source unit and the second compressed air source unit.

[0008] In the embodiments of the present application, the first compressed air source unit comprises a first air source pipe winding and unwinding device arranged on the coal gas tank roof operation platform and a first pneumatic rotating device connected with the first air source pipe winding and unwinding device.

[0009] In the embodiments of the present application, the second compressed air source unit comprises a compressed air storage tank arranged on the coal gas tank piston, a second air source pipe winding and unwinding device connected with the compressed air storage tank and a second pneumatic rotating device connected with the second air source pipe winding and unwinding device.

[0010] In the embodiments of the present application, the first part of the air source pipe is wound on the first air source pipe winding and unwinding device and the second part of the air source pipe is wound on the second air source pipe winding and unwinding device, and the end of the second part is connected with the compressed air storage tank.

[0011] In the embodiments of the present application, the control unit is configured to rotate the first pneumatic rotating device and the second pneumatic rotating device in opposite directions in response to upward movement of the coal gas tank piston, wherein the rotation of the second pneumatic rotating device drives the second air source pipe winding and unwinding device to rotate so as to gradually release the second part of the air source pipe from the second air source winding and unwinding device, and the rotation of the first pneumatic rotating device drives the first air source pipe winding and unwinding device to rotate so as to further wind the first part of the air source pipe into the first air source winding and unwinding device.

[0012] In the embodiments of the present application, the control unit is configured to rotate the first pneumatic rotating device and the second pneumatic rotating device in opposite directions in response to downward movement of the coal gas tank piston, wherein the rotation of the first pneumatic rotating device drives the first air source pipe winding and unwinding device to rotate so as to gradually release the first part of the air source pipe from the first air source winding and unwinding device, and the rotation of the second pneumatic rotating device drives the second air source pipe winding and unwinding device to rotate so as to further wind the second part of the air source pipe into the second air source winding and unwinding device.

[0013] In the embodiments of the present application, the first pneumatic rotating device and the second pneumatic rotating device rotate simultaneously and at the same speed.

[0014] In another aspect, the present application provides a compressed air source device for a coal gas tank.

[0015] The compressed air source device used in the oil-sealed gas holder provided by the application is not only convenient to construct, simple to maintain and low in energy consumption, but also can meet the Class A and Class B fireproof requirements of the gas holder, and can solve the problems of corrosion of the gas source pipe caused by splashing of sealing oil in the gas holder, inability of the gas source pipe to move up and down along with the piston, and piston jamming caused by falling of the gas source pipe into the piston oil groove. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 The structure of the compressed air source device used in the oil-sealed gas holder is shown. DETAILED DESCRIPTION

[0017] It should be understood that the embodiments of the application shown in the example embodiments are only illustrative. Although only a few embodiments are described in detail in the application, those skilled in the art can easily appreciate that various modifications are possible without departing from the teachings of the subject matter of the application. Accordingly, all such modifications should be included within the scope of the application. Other substitutions, modifications, changes and omissions can be made to the design, operating conditions and parameters of the following example embodiments without departing from the spirit of the application.

[0018] According to the application, in one aspect, a compressed air source device 100 used in an oil-sealed gas holder 10 is provided, as shown in the accompanying drawings. Figure 1 The oil-sealed gas holder 10 includes a gas holder top operation platform 11 and a gas holder piston 12 arranged therein, and the compressed air source device 100 includes a first compressed air source unit 13 arranged on the gas holder top operation platform 11, a second compressed air source unit 14 arranged on the gas holder piston 12, and a control unit 15 connected with the first compressed air source unit 13 and the second compressed air source unit 14, respectively, and the control unit 15 is configured to control the first compressed air source unit 13 and the second compressed air source unit 14 in response to movement of the gas holder piston 12. The oil-sealed gas holder 10 is composed of a cabinet, a top and a bottom to form a space for storing gas, and the cabinet is provided with the gas holder piston 12 moving vertically along the inner wall of the cabinet. By arranging the first compressed air source unit 13 and the second compressed air source unit 14 in the oil-sealed gas holder 10, the gas source pipe is moved when the gas holder piston 12 moves up or down, which not only is convenient to construct, simple to maintain and low in energy consumption, but also can meet the Class A and Class B fireproof requirements of the gas holder, and can solve the problems of corrosion of the gas source pipe caused by splashing of sealing oil in the gas holder, inability of the gas source pipe to move up and down along with the piston, and piston jamming caused by falling of the gas source pipe into the piston oil groove.

[0019] In the embodiments of the present application, the compressed air source device 100 can further include a tank position monitoring unit 5 arranged on the gas tank roof operation platform 11, the tank position monitoring unit 5 is connected with the control unit 15 and is configured to monitor the movement of the gas tank piston 12 and send a signal related to the movement of the gas tank piston 12 to the control unit 15. In Figure 1 In the illustrated embodiments, the compressed air source device 100 can include two tank position monitoring units 5, which are respectively installed on the gas tank roof operation platform 11 to monitor the upward or downward movement of the gas tank piston 12. In other embodiments, only one or other number of tank position monitoring units 5 can be provided. In addition, it should be understood that the connection of the control unit 15 with the first compressed air source unit 13, the second compressed air source unit 14 and the tank position monitoring unit 5 can be one or more of wired connection, wireless connection, communication connection. The control unit 15 can be located outside the thin oil seal type gas tank 10 in one embodiment, but in other embodiments, the control unit 15 can also be located inside the thin oil seal type gas tank 10.

[0020] In the embodiments of the present application, the compressed air source device 100 can further include an air source pipe 4 connected between the first compressed air source unit 13 and the second compressed air source unit 14. In the prior art, the splash of the internal sealing oil of the gas tank can cause the corrosion of the air source pipe, the air source pipe cannot follow the piston up and down movement, and the air source pipe falls into the piston oil groove to cause the piston jam. To solve these problems, the air source pipe 4 is arranged between the first compressed air source unit 13 and the second compressed air source unit 14 in the present application, and can be tightened / released with the movement of the gas tank piston 12, so as to realize the effect that the air source pipe follows the piston up and down movement, thereby solving the above-mentioned problems existing in the prior art.

[0021] In the embodiments of the present application, as Figure 1As shown, the first compressed air source unit 13 can include a first air source pipe winding and unwinding device 2 arranged on the gas tank roof working platform 11 and a first pneumatic rotating device 3 connected with the first air source pipe winding and unwinding device 2. The second compressed air source unit 14 can include a compressed air storage tank 1 arranged on the gas tank piston 12, a second air source pipe winding and unwinding device 2' connected with the compressed air storage tank 1 and a second pneumatic rotating device 3' connected with the second air source pipe winding and unwinding device 2'. The first pneumatic rotating device 3 and the second pneumatic rotating device 3' are respectively connected with the control unit 15 and can rotate in the clockwise direction or the counterclockwise direction under the indication of the control unit 15. Since the first air source pipe winding and unwinding device 2 and the second air source pipe winding and unwinding device 2' are respectively connected with the first pneumatic rotating device 3 and the second pneumatic rotating device 3', the rotation of the first pneumatic rotating device 3 and the second pneumatic rotating device 3' in the clockwise direction or the counterclockwise direction will correspondingly drive the first air source pipe winding and unwinding device 2 and the second air source pipe winding and unwinding device 2' to rotate in the clockwise direction or the counterclockwise direction, so as to release or tighten the air source pipe 4 wound on the first air source pipe winding and unwinding device 2 and the second air source pipe winding and unwinding device 2', as further described below.

[0022] In the embodiments of the present application, the air source pipe 4 has a specific length and includes a first end and a second end, as Figure 1 As shown, the first part 16 including the first end (not shown in the figure) is wound on the first air source pipe winding and unwinding device 2, and the second part 17 of the air source pipe 4 including the second end (not shown in the figure) is wound on the second air source pipe winding and unwinding device 2'. The end (i.e. the second end) of the second part 17 is connected with the compressed air storage tank 1, so that the gas in the compressed air storage tank 1 can flow into the air source pipe 4, and the end (i.e. the first end) of the first part 16 is connected with the pneumatic device (not shown) arranged in the thin-oil sealing type gas tank 10, so as to safely and continuously and stably provide the pneumatic device with the air source.

[0023] In the embodiments of the present application, the control unit 15 can be configured to rotate the first pneumatic rotating device 3 and the second pneumatic rotating device 3' in opposite directions (for example, the first pneumatic rotating device 3 rotates in the clockwise direction and the second pneumatic rotating device 3' rotates in the counterclockwise direction) in response to the upward movement of the gas tank piston 12, wherein the rotation of the second pneumatic rotating device 3' drives the second air source pipe winding and unwinding device 2' to rotate, so as to gradually release the second part 17 of the air source pipe 4 from the second air source winding and unwinding device 2', and the rotation of the first pneumatic rotating device 3 drives the first air source pipe winding and unwinding device 2 to rotate, so as to further wind (i.e. wind into) the first part 16 of the air source pipe 4 into the first air source winding and unwinding device 2 (i.e. the first air source winding and unwinding device 2 further tightens the first part 16 of the air source pipe 4). Optionally, during this process, the air source pipe 4 can be kept in a substantially straight and slightly tensioned state to facilitate the flow of gas therein.

[0024] In the embodiments of the present application, the control unit 15 can be configured to rotate the first pneumatic rotating device 3 and the second pneumatic rotating device 3' in opposite directions in response to the downward movement of the gasholder piston 12 (for example, the first pneumatic rotating device 3 rotates in the counterclockwise direction while the second pneumatic rotating device 3' rotates in the clockwise direction), wherein the rotation of the first pneumatic rotating device 3 drives the rotation of the first gas source pipe winding and unwinding device 2 so as to gradually release the first part 16 of the gas source pipe 4 from the first gas source winding and unwinding device 2, and the rotation of the second pneumatic rotating device 3' drives the rotation of the second gas source pipe winding and unwinding device 2' so as to further wind the second part 17 of the gas source pipe 4 into the second gas source winding and unwinding device 2'. In this way, the effect of the movement of the gas source pipe 4 along with the gasholder piston 12 is achieved. Optionally, during this process, the gas source pipe 4 can be kept in a generally straight and slightly tensioned state to facilitate the flow of gas therein.

[0025] In the embodiments of the present application, the first pneumatic rotating device 3 and the second pneumatic rotating device 3' can rotate simultaneously and at the same speed, and the simultaneous rotation at the same speed can control the tightening and release of the gas source pipe 4 in a controlled manner.

[0026] According to the present application, in another aspect, there is provided a thin-oil-sealed gasholder 10, which can include the compressed air source device described in the present application, for example, the compressed air source device 100 described in the foregoing embodiments. The compressed air source device 100 is arranged in the thin-oil-sealed gasholder 10, which not only facilitates construction, is easy to maintain, and has low energy consumption, but also meets the Class A and B fireproof requirements of the thin-oil-sealed gasholder 10, and solves the problems of corrosion of the gas source pipe caused by the splashing of the sealing oil inside the thin-oil-sealed gasholder 10, the inability of the gas source pipe to move up and down along with the piston, and the jamming of the piston caused by the falling of the gas source pipe into the piston oil groove.

[0027] The technical solutions of the present application are further described below through specific embodiments:

[0028] Figure 1A compressed air source device 100 for use in a thin-oil sealed gasholder according to an embodiment of the present application is shown. The device 100 includes a compressed air storage tank 1, two sets of air source pipe winding and unwinding devices 2 and 2', two sets of pneumatic rotating devices 3 and 3', an air source pipe 4, an automatic control device (which may, for example, include a control unit 15), and two sets of gasholder position monitoring devices 5. The compressed air storage tank 1, the air source pipe winding and unwinding device 2', and the pneumatic rotating device 3' are sequentially assembled from bottom to top to form a piston upper portion of the compressed air source device for use in a thin-oil sealed gasholder; the air source pipe winding and unwinding device 2 and the pneumatic rotating device 3 are sequentially assembled from bottom to top to form a gasholder roof work platform upper portion of the compressed air source device for use in a thin-oil sealed gasholder; the gasholder position monitoring device 5 and the automatic control device form a self-control portion; and the air source pipe 4 connects the gasholder roof work platform upper portion and the piston upper portion of the compressed air source device for use in a thin-oil sealed gasholder. The compressed air source device for use in a thin-oil sealed gasholder is arranged in a manner that the compressed air source device for use in a thin-oil sealed gasholder is arranged separately according to the gasholder roof work platform upper portion and the piston upper portion. In addition, the device 100 can also include other pipelines, auxiliary facilities, and the like, as is well known to those skilled in the art. Such a compressed air source device 100 for use in a thin-oil sealed gasholder not only facilitates construction, is simple to maintain, and has low energy consumption, but also meets the Class A and B fireproofing requirements of a gasholder, and solves the problems of corrosion of the air source pipe caused by splashing of sealing oil inside the gasholder, inability of the air source pipe to move up and down with the piston, and piston jamming caused by the air source pipe falling into the piston oil groove.

[0029] When the gasholder piston 12 floats up, the gasholder position monitoring device 5 detects that the gasholder position rises, and then sends corresponding control signals to the pneumatic rotating devices 3' and 3 on the gasholder piston 12 and the gasholder roof work platform 11 after calculation by the automatic control device. The two devices rotate in opposite directions at the same speed, the pneumatic rotating device 3' on the piston rotates to drive the air source pipe winding and unwinding device 2' to gradually release the air source pipe 4, and the pneumatic rotating device 3 on the gasholder roof work platform 11 rotates to drive the air source pipe winding and unwinding device 2 to rotate the air source pipe 4 into the air source pipe winding and unwinding device 2.

[0030] When the gasholder piston 12 floats up, the gasholder position monitoring device 5 detects that the gasholder position rises, and then sends corresponding control signals to the pneumatic rotating devices 3' and 3 on the gasholder piston 12 and the gasholder roof work platform 11 after calculation by the automatic control device. The two devices rotate in opposite directions at the same speed, the pneumatic rotating device 3' on the piston rotates to drive the air source pipe winding and unwinding device 2' to gradually release the air source pipe 4, and the pneumatic rotating device 3 on the gasholder roof work platform 11 rotates to drive the air source pipe winding and unwinding device 2 to rotate the air source pipe 4 into the air source pipe winding and unwinding device 2.

[0031] The compressed air source device 100 used in the thin oil seal type gas holder solves the problems of corrosion of the air source pipe caused by splashing of the sealing oil in the gas holder, the air source pipe unable to move up and down with the piston, and the air source pipe falling into the piston oil groove to cause the piston to jam, by setting the air source pipe winding and unwinding device on the gas holder top operation platform 11 and the gas holder piston 12, which is not only convenient for construction, simple to maintain, and low in energy consumption, but also meets the Class A and B fireproof requirements of the gas holder.

[0032] The above merely describes the preferred embodiments of the present application, and is not intended to limit the scope of the present application; if the present application is modified or replaced equivalently without departing from the spirit and scope of the present application, it shall be covered in the protection scope of the claims of the present application.

Claims

1. A compressed air source device used in a thin oil sealed gas cabinet, characterized in that: The thin oil sealed gas tank includes a gas tank top operating platform and a gas tank piston provided therein, and the compressed air source device includes: A first compressed air source unit is provided on the gas cabinet top working platform, the first compressed air source unit comprising a first gas source pipe retracting and extending device provided on the gas cabinet top working platform and a first pneumatic rotating device connected to the first gas source pipe retracting and extending device; a second compressed air source unit provided on the gas tank piston, the second compressed air source unit comprising a compressed air storage tank provided on the gas tank piston, a second air source pipe retracting and extending device connected to the compressed air storage tank, and a second pneumatic rotating device connected to the second air source pipe retracting and extending device; a first portion of the air source pipe is wound around the first air source pipe retracting and extending device, and a second portion of the air source pipe is wound around the second air source pipe retracting and extending device, an end portion of the second portion being connected to the compressed air storage tank; and a control unit connected to the first compressed air source unit and the second compressed air source unit, respectively, the control unit being configured to control the first compressed air source unit and the second compressed air source unit in response to movement of the gas holder piston; The gas source pipe is arranged between the first compressed air source unit and the second compressed air source unit, and can be tightened / released as the gas tank piston moves, thereby achieving the effect that the gas source pipe moves up and down following the gas tank piston.

2. The compressed air source device according to claim 1, characterized in that: It further includes a cabinet position monitoring unit arranged on the gas cabinet top working platform, which is connected to the control unit and configured to monitor the movement of the gas cabinet piston and send a signal related to the movement of the gas cabinet piston to the control unit.

3. The compressed air source device according to claim 1, characterized in that: The control unit is configured to rotate the first pneumatic rotating device and the second pneumatic rotating device in opposite directions in response to the upward movement of the gas tank piston, wherein the rotation of the second pneumatic rotating device drives the second gas source pipe retracting device to rotate so that the second part of the gas source pipe is gradually released from the second gas source pipe retracting device, and the rotation of the first pneumatic rotating device drives the first gas source pipe retracting device to rotate so that the first part of the gas source pipe is further wound into the first gas source pipe retracting device.

4. The compressed air source device according to claim 1, characterized in that: The control unit is configured to rotate the first pneumatic rotating device and the second pneumatic rotating device in opposite directions in response to the downward movement of the gas tank piston, wherein the rotation of the first pneumatic rotating device drives the first gas source pipe retracting device to rotate so that the first part of the gas source pipe is gradually released from the first gas source pipe retracting device, and the rotation of the second pneumatic rotating device drives the second gas source pipe retracting device to rotate so that the second part of the gas source pipe is further wound into the second gas source pipe retracting device.

5. The compressed air source device according to claim 3 or 4, characterized in that: The first pneumatic rotating device and the second pneumatic rotating device rotate simultaneously and at the same rotation speed.

6. A thin oil sealed gas tank, characterized in that: The device comprises a compressed air source device as claimed in any one of claims 1 to 5.

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