Oil receiving safety device for sealing bag of inner floating roof storage tank

Abstract

The utility model relates to oil treatment of a floating disc sealing bag of an inner floating roof storage tank, in particular to an oil receiving safety device of the sealing bag of the inner floating roof storage tank, which comprises an oil receiving hopper and a supporting leg unit used for fixing and supporting the oil receiving hopper. The bottoms of the supporting leg units are fixed to the lower bottom of the storage tank, the floating disc is arranged in the center of the storage tank, the bottom of the floating disc is supported in the storage tank through floating disc supporting legs, and a floating disc sealing bag is arranged between the floating disc and the inner side wall of the storage tank. The upper part of the oil receiving hopper corresponds to the position of the floating disc sealing bag and is arranged along with the shape of the floating disc sealing bag; through the sealing bag oil receiving safety device, personnel recover oil in the sealing bag outside the tank, and in the recovery process of the oil in the tank, the sealing sponge is attached to the sealing bag to ensure that oil gas in the tank does not exceed the standard, so that the safety of the inner floating roof storage tank and the personnel is ensured.

Description

Technical Field

[0001] The utility model relates to oil processing of a floating plate sealing bag of an internal floating roof storage tank, in particular to an oil receiving safety device for the sealing bag of an internal floating roof storage tank, and belongs to the field of chemical industry. Background Art

[0002] During the maintenance of chemical production, the oil in the floating bag of the floating roof tank at normal pressure may enter the sealed bag due to the damage or aging of the fluororubber in the sealed bag. The steam boiling during the maintenance cannot clean the oil in the sealed bag. The usual operation method is to arrange personnel to enter the tank after the steam boiling in the tank and the gas sampling in the tank is qualified, and then use copper scissors to cut the sealed bag, and use copper barrels to transport the oil in the sealed bag to the outside of the tank for a long time and multiple times. Due to the volatilization of oil and gas, if the volatilization of the oil in the sealed bag reaches the explosion limit, a flash explosion will occur. Many such accidents have occurred in domestic storage and transportation tank areas. Utility Model Content

[0003] In view of the defects of the above-mentioned prior art, the purpose of the utility model is to provide a safety device for collecting oil in a sealed bag of an internal floating roof storage tank. By designing a sealed oil collecting device inside the tank, personnel can recover the oil in the sealed bag outside the tank, thereby ensuring the safety of the storage tank and personnel.

[0004] In order to achieve the above-mentioned purpose, the technical solution adopted by the utility model is: a safety device for receiving oil from a sealed bag of an inner floating roof storage tank, comprising: an oil receiving hopper and a leg unit for fixing and supporting the oil receiving hopper; the bottom of the leg unit is fixed to the lower bottom of the storage tank, the center of the storage tank is a floating plate, the bottom of the floating plate is supported in the storage tank by the floating plate legs, and a floating plate sealing bag is between the floating plate and the inner wall of the storage tank; the upper part of the oil receiving hopper corresponds to the position of the floating plate sealing bag and is arranged in accordance with the shape of the floating plate sealing bag;

[0005] Furthermore, the oil receiving hopper is an inverted trapezoidal three-dimensional cavity with an arc-shaped opening on the upper end surface, and the bottom surface is a horizontal plane;

[0006] Furthermore, the top of the leg unit is fixedly connected to the bottom surface of the oil receiving bucket;

[0007] Furthermore, the leg unit includes four separate legs and is distributed at the four corners of the bottom surface of the oil receiving bucket to maintain balanced support;

[0008] Furthermore, the curvature of the arc-shaped opening of the oil receiving hopper is consistent with the curvature of the bottom of the floating plate sealing bag; a layer of sealing sponge is laid on the surface of the arc-shaped opening of the oil receiving hopper, and the oil receiving hopper is completely fitted and matched with the floating plate sealing bag through the sealing sponge;

[0009] Furthermore, each of the individual legs is a height-adjustable structure; it includes an upper support and a lower support, the upper support is plugged in with the lower support and connected by bolts; a plurality of bolt holes are evenly arranged in the lower end region of the upper support, the upper end of the lower support is arranged as a slot structure matching the upper support, and a through hole corresponding to the bolt hole of the upper support is arranged on the slot, and the bolt passes through the through hole of the lower support and the bolt hole of the upper support to fix the upper support and the lower support together;

[0010] Furthermore, the height of the legs is adjusted by providing a plurality of bolt holes so that the sealing sponge and the sealing bag can fit tightly together;

[0011] Furthermore, an oil drain pipe interface is provided on the bottom surface of the oil receiving bucket, and the oil drain pipe is led out from the oil drain pipe interface to the outside of the storage tank;

[0012] Furthermore, a manhole is provided on the side wall of the storage tank, and the oil drain pipe is led out through the manhole to the dirty oil recovery device outside the storage tank, so as to facilitate the recovery of the oil inside the oil receiving hopper;

[0013] Furthermore, an oil drain valve is provided at the end of the oil drain pipe near the location of the waste oil recovery device, so as to facilitate the control valve outside the storage tank to drain the oil;

[0014] Furthermore, a liquid level gauge is installed on one side wall of the oil receiving hopper to facilitate monitoring of the oil level in the oil receiving hopper;

[0015] Furthermore, an electrostatic grounding wire is provided on the side wall of the oil receiving hopper on the side opposite to the liquid level meter. The electrostatic grounding wire is connected to the outside of the storage tank through an electrostatic grounding clamp to conduct static electricity generated when discharging oil.

[0016] Before the maintenance process of the storage tank of the utility model, after the process treatment in the storage tank and after the sampling is qualified, the personnel stay in the storage tank for a short time, use copper tools to open the sealing bag of the floating plate, install the sealing bag oil receiving device, and the personnel recover the oil in the sealing bag outside the storage tank, thereby ensuring the safety of the internal floating roof storage tank and the personnel.

[0017] The beneficial effects of the utility model are as follows: through the sealing bag oil receiving safety device, personnel can recover the oil in the sealing bag outside the tank, and during the recovery process of the oil in the tank, the sealing sponge is fitted with the sealing bag to ensure that the oil and gas in the tank does not exceed the standard, thereby ensuring the safety of the internal floating roof storage tank and personnel. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is the assembly diagram of the utility model internal floating roof storage tank sealing bag oil receiving safety device.

[0019] Figure 2 for Figure 1 Structural diagram of the oil receiving safety device for the sealing bag of the internal floating roof tank.

[0020] In the figure, 1, oil receiving hopper, 2, storage tank, 3, float, 4, float leg, 5, float sealing bag, 1.1, arc opening, 6, sealing sponge, 7, upper support, 8, lower support, 9, bolt hole, 10, bolt, 11, oil drain pipe, 12, manhole, 13, dirty oil recovery device, 14, oil drain valve, 15, liquid level meter, 16, electrostatic grounding wire, 17, electrostatic grounding clamp. DETAILED DESCRIPTION

[0021] In order to make the above-mentioned purposes, features and advantages of the utility model more obvious and easy to understand, the specific implementation methods of the utility model are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the utility model. However, the utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the utility model, so the utility model is not limited by the specific embodiments disclosed below.

[0022] like Figure 1 , 2 The illustrated internal floating roof tank sealing bag oil receiving safety device comprises: an oil receiving bucket 1 and a leg unit for fixing and supporting the oil receiving bucket 1; the bottom of the leg unit is fixed to the lower bottom of the tank 2, the center of the tank 2 is a floating plate 3, the bottom of the floating plate 3 is supported in the tank 2 by floating plate legs 4, and a floating plate sealing bag 5 is between the floating plate 3 and the inner wall of the tank 2; the upper part of the oil receiving bucket 1 corresponds to the position of the floating plate sealing bag 5 and is arranged in accordance with the shape of the floating plate sealing bag 5;

[0023] Furthermore, the oil receiving hopper 1 is an inverted trapezoidal three-dimensional cavity with an arc-shaped opening 1.1 on the upper end surface, and the bottom surface is a horizontal plane;

[0024] Furthermore, the top of the leg unit is fixedly connected to the bottom surface of the oil receiving bucket 1;

[0025] Furthermore, the leg unit includes four separate legs distributed at the four corners of the bottom surface of the oil receiving bucket 1 for maintaining balanced support; the four separate legs have completely the same structure;

[0026] Furthermore, the curvature of the arc-shaped opening 1.1 of the oil receiving hopper 1 is consistent with the curvature of the bottom of the floating plate sealing bag 5; a layer of sealing sponge 6 is laid on the surface of the arc-shaped opening 1.1 of the oil receiving hopper 1, and the oil receiving hopper 1 is completely fitted and matched with the floating plate sealing bag 5 through the sealing sponge 6;

[0027] Furthermore, each of the individual legs is a height-adjustable structure; it includes an upper support 7 and a lower support 8, the upper support 7 and the lower support 8 are plugged together and connected by bolts 10; a plurality of bolt holes 9 are evenly arranged in the lower end area of ​​the upper support 7, the upper end of the lower support 8 is arranged as a slot structure matching the upper support, and a through hole corresponding to the bolt hole 9 of the upper support is arranged on the slot, and the bolt 10 passes through the through hole of the lower support 8 and the bolt hole 9 of the upper support 7 to fix the upper support 7 and the lower support 8 together;

[0028] Furthermore, the height of the legs is adjusted by providing a plurality of bolt holes 9 so that the sealing sponge 6 and the sealing bag 5 can fit tightly together;

[0029] Furthermore, an oil drain pipe interface is provided on the bottom surface of the oil receiving hopper 1, and an oil drain pipe 11 is led out from the oil drain pipe interface to the outside of the storage tank;

[0030] Furthermore, a manhole 12 is provided on the side wall of the storage tank 2, and the oil drain pipe 11 is led out through the manhole 12 to the dirty oil recovery device 13 outside the storage tank, so as to facilitate the recovery of the oil inside the oil receiving bucket 1;

[0031] Furthermore, an oil drain valve 14 is provided at the end of the oil drain pipe 11 near the dirty oil recovery device 13, so as to facilitate the control of the valve to drain oil outside the storage tank 2;

[0032] Furthermore, a liquid level gauge 15 is installed on one side wall of the oil receiving hopper 1 to facilitate monitoring of the oil level in the oil receiving hopper 1;

[0033] Furthermore, an electrostatic grounding wire 16 is provided on the side wall of the oil receiving hopper 1 opposite to the liquid level meter 15. The electrostatic grounding wire 16 is connected to the outside of the storage tank 2 through an electrostatic grounding clamp 17 to conduct static electricity generated when discharging oil.

[0034] Before the maintenance process of the utility model storage tank, after the process treatment in the storage tank, after the sampling is qualified, the personnel stay in the tank for a short time, use copper tools to open the sealed bag, and install the sealed bag oil receiving device. The personnel recover the oil in the sealed bag outside the tank, and during the oil recovery process in the tank, the sealing device fits the sealed bag to ensure that the oil and gas in the tank does not exceed the standard, thereby ensuring the safety of the internal floating roof storage tank and personnel.

[0035] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0036] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present utility model, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0037] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0038] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0039] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used herein are for illustrative purposes only and are not intended to be the only implementation method.

Claims

1. An oil receiving safety device for sealing bag of internal floating roof storage tank, characterized in that: include: An oil receiving hopper and a leg unit for fixing and supporting the oil receiving hopper; the bottom of the leg unit is fixed to the lower bottom of the storage tank, the center of the storage tank is a floating plate, the bottom of the floating plate is supported in the storage tank by the floating plate legs, and a floating plate sealing bag is between the floating plate and the inner wall of the storage tank; the top of the oil receiving hopper corresponds to the position of the floating plate sealing bag and is arranged in accordance with the shape of the floating plate sealing bag.

2. The oil receiving safety device for sealing bag of internal floating roof storage tank according to claim 1, characterized in that: The oil receiving hopper is an inverted trapezoidal three-dimensional cavity with an arc-shaped opening on the upper end surface, and the bottom surface is a horizontal plane.

3. The oil receiving safety device for sealing bag of internal floating roof storage tank according to claim 1, characterized in that: The top of the leg unit is fixedly connected to the bottom surface of the oil receiving bucket; the leg unit includes 4 separate legs and is distributed at the four corners of the bottom surface of the oil receiving bucket.

4. The oil receiving safety device for sealing bag of internal floating roof storage tank according to claim 2 is characterized in that: The curvature of the arc-shaped opening of the oil receiving hopper is consistent with the curvature of the bottom of the floating plate sealing bag; a layer of sealing sponge is laid on the surface of the arc-shaped opening of the oil receiving hopper, and the oil receiving hopper is completely fitted and matched with the floating plate sealing bag through the sealing sponge.

5. The oil receiving safety device for sealing bag of internal floating roof storage tank according to claim 3 is characterized in that: Each of the individual legs is a height-adjustable structure; it includes an upper support and a lower support, the upper support and the lower support are plug-fitted and connected by bolts; a plurality of bolt holes are evenly arranged in the lower end area of ​​the upper support, the upper end of the lower support is arranged as a slot structure matching the upper support and a through hole corresponding to the bolt hole of the upper support is arranged on the slot, and the bolt passes through the through hole of the lower support and the bolt hole of the upper support to fix the upper support and the lower support together.

6. The oil receiving safety device for sealing bag of internal floating roof storage tank according to claim 5, characterized in that: The height of the supporting legs is adjusted by arranging a plurality of bolt holes.

7. The oil receiving safety device for sealing bag of internal floating roof storage tank according to claim 2, characterized in that: An oil drain pipe interface is provided on the bottom surface of the oil receiving bucket, and the oil drain pipe is led out from the oil drain pipe interface to the outside of the storage tank.

8. The oil receiving safety device for sealing bag of internal floating roof storage tank according to claim 7, characterized in that: A manhole is provided on the side wall of the storage tank, and the oil drain pipe is led out through the manhole to a waste oil recovery device outside the storage tank.

9. The oil receiving safety device for sealing bag of internal floating roof storage tank according to claim 8, characterized in that: An oil drain valve is provided at the end of the oil drain pipe close to the dirty oil recovery device.

10. The oil receiving safety device for sealing bag of internal floating roof storage tank according to claim 1, characterized in that: A liquid level gauge is installed on the side wall of the oil receiving hopper.

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