Sample storage device for petroleum sampling

Abstract

The sample storage device comprises a base, a storage tank and a plurality of split charging tanks, a supporting frame is fixed to the top of the base, a driven rod is rotatably connected to the top of the base, the top of the driven rod is rotatably connected with the bottom of the supporting frame, a movable table is fixed to the surface of the driven rod, and the movable table is rotatably connected with the bottom of the supporting frame. A plurality of storage racks are fixed to the surface of the movable table, storage openings are formed in the surfaces of the storage racks, the split charging tanks are slidably connected with the surfaces of the storage openings of the storage racks, the tops of the split charging tanks are in threaded connection with sealing covers, the lower sides of the surfaces of the split charging tanks communicate with liquid discharging valves, and pressure sensors are fixed to the tops of the supporting frames. The top of the pressure sensor is fixedly connected with the bottom of the storage tank, a transmission mechanism is installed on the top of the base, a temperature control mechanism is installed on the surface of the storage tank, and the top of the storage tank communicates with a feeding valve. According to the utility model, the integrated operation of storage and split charging is realized, and the integrity of samples and the split charging precision are ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to petroleum exploration and chemical technology field, concretely is a kind of sample storage device for petroleum sampling. BACKGROUND

[0002] Petroleum refers to gaseous, liquid and solid hydrocarbon mixture, with natural occurrence, it is called "industrial blood", also one of main objects of geological exploration, in the process of oil exploitation, the part area to be exploited is sampled, so petroleum sample storage device is often used to store the sample to be tested.

[0003] In the process of oil exploitation, transportation and quality inspection, the integrity of sample storage and the convenience of subsequent sub-packaging are crucial. The existing storage device is mostly a single chamber structure, and manual transfer and sub-packaging are required after storage, which is cumbersome and difficult to ensure the accuracy of sub-packaging. Therefore, an integrated device integrating storage and quantitative sub-packaging functions is urgently needed to ensure the controllability and accuracy of the whole process from sample collection to storage and sub-packaging. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of sample storage device for petroleum sampling, realizes the integrated operation of storage and sub-packaging, and ensures sample integrity and sub-packaging accuracy.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a kind of sample storage device for petroleum sampling, including base, storage tank and multiple sub-packaging cans, the top of the base is fixed with support frame, the top of the base is rotatably connected with driven rod, the top of the driven rod is rotatably connected with the bottom of support frame, the surface of the driven rod is fixed with movable table, the surface of the movable table is fixed with multiple storage racks, the surface of the storage rack is provided with storage opening, the surface of the sub-packaging can and storage opening of storage rack is slidably connected, the top of the sub-packaging can is threadedly connected with closure, the lower side of the surface of the sub-packaging can is communicated with liquid discharge valve, the top of the support frame is fixed with pressure sensor, the bottom of the storage tank is fixedly connected with the top of the pressure sensor, the top of the base is installed with transmission mechanism, the surface of the storage tank is installed with temperature control mechanism, the top of the storage tank is communicated with feed valve, the lower side of the surface of the storage tank is communicated with quantitative pump, the surface of the quantitative pump is communicated with flow sensor, the surface of the flow sensor is communicated with flexible hose, the surface of the base is fixed with controller.

[0006] As a kind of sample storage device for petroleum sampling of the utility model, the transmission mechanism includes a reduction motor, the reduction motor is fixedly connected with the surface of the base, the output shaft of the reduction motor is fixed with drive shaft, the surface of the drive shaft and the surface of the driven rod are both fixed with belt pulley, and the two belt pulleys are connected by belt transmission.

[0007] As a kind of petroleum sampling sample storage device preferred of the utility model, the temperature control mechanism includes semiconductor refrigerator and electric hot plate, the semiconductor refrigerator is fixed on the left and right sides of storage tank, the electric hot plate is fixed on the front and back sides of the surface of storage tank, temperature sensor is installed on the surface of subpackaging tank.

[0008] As a kind of petroleum sampling sample storage device preferred of the utility model, the surface of semiconductor refrigerator is fixed with heat dissipation fan.

[0009] As a kind of petroleum sampling sample storage device preferred of the utility model, the top of storage tank is communicated with air inlet valve, the storage tank adopts stainless steel material, and the material of subpackaging tank is polytetrafluoroethylene.

[0010] As a kind of petroleum sampling sample storage device preferred of the utility model, the inner wall of closure cap is fixed with sealing pad at top, and the surface of subpackaging tank is provided with protruding part.

[0011] As a kind of petroleum sampling sample storage device preferred of the utility model, the bottom of support frame is fixed with circular guide rail, a plurality of sliding blocks are slidably connected to the surface of circular guide rail, and the bottom of sliding block is fixedly connected with the top of movable table.

[0012] Compared with the prior art, the utility model has the advantages of the following:

[0013] In the utility model, after the opening of feed valve, the used petroleum sample can be injected into the inside of storage tank, the weight change of storage tank can be monitored by pressure sensor, the temperature inside storage tank can be set by temperature control mechanism, so that the petroleum storage requirement is met, the closure cap can be removed from subpackaging tank by rotating, the driven rod can be rotated by transmission mechanism when working, so that the driven rod can drive multiple storage racks and subpackaging tanks to rotate together, the positions of multiple subpackaging tanks can be replaced, the petroleum sample stored in storage tank can be quantitatively discharged after the opening of quantitative pump, the discharge amount of petroleum can be further monitored by flow sensor, so that the accuracy of discharge amount is ensured, the petroleum sample can be injected into the inside of subpackaging tank after the opening of closure cap through flexible hose, the subpackaging tank can be removed from storage rack by sliding upward, so that the activity and removal of subpackaging tank are facilitated, the petroleum sample in subpackaging tank can be directly discharged after the opening of liquid discharge valve, so that the use of subpackaging tank is more convenient. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0015] Figure 2 It is the three-dimensional structure schematic diagram of another perspective of the utility model;

[0016] Figure 3 It is a local structure schematic view of the utility model;

[0017] Figure 4 It is a local structure schematic view of the utility model.

[0018] In the figure: 1, base; 2, storage tank; 3, subpackaging tank; 4, driven rod; 5, support frame; 6, movable table; 7, storage rack; 8, transmission mechanism; 801, speed reducer motor; 802, drive shaft; 803, belt pulley; 9, temperature control mechanism; 901, semiconductor refrigerator; 902, electric hot plate; 903, temperature sensor; 904, cooling fan; 10, closure cover; 11, liquid discharge valve; 12, pressure sensor; 13, quantitative pump; 14, flow sensor; 15, flexible hose; 16, feed valve; 17, air inlet valve; 18, controller; 19, protruding part; 20, circular guide rail; 21, sliding block. DETAILED DESCRIPTION

[0019] Please refer to Figures 1-4 A sample storage device for oil sampling, including base 1, storage tank 2 and multiple subpackaging tanks 3, the top of base 1 is fixed with support frame 5, the top of base 1 is rotatably connected with driven rod 4, the top of driven rod 4 is rotatably connected with the bottom of support frame 5, the surface of driven rod 4 is fixed with movable table 6, the surface of movable table 6 is fixed with multiple storage racks 7, the surface of storage rack 7 is provided with storage opening, subpackaging tank 3 is slidably connected with the surface of storage opening of storage rack 7, the top of subpackaging tank 3 is threadedly connected with closure cover 10, the surface of subpackaging tank 3 is connected with liquid discharge valve 11 in the lower side, the top of support frame 5 is fixed with pressure sensor 12, the top of pressure sensor 12 is fixedly connected with the bottom of storage tank 2, the top of base 1 is installed with transmission mechanism 8, the surface of storage tank 2 is installed with temperature control mechanism 9, the top of storage tank 2 is connected with feed valve 16, the surface of storage tank 2 is connected with quantitative pump 13 in the lower side, the surface of quantitative pump 13 is connected with flow sensor 14, the surface of flow sensor 14 is connected with flexible hose 15, the surface of base 1 is fixed with controller 18;

[0020] After the feeding valve 16 is opened, the used petroleum sample can be injected into the storage tank 2, the pressure sensor 12 can monitor the weight change of the storage tank 2, the temperature control mechanism 9 can set the temperature inside the storage tank 2 to meet the storage requirements of the petroleum, the closure cover 10 can be removed from the sub-packaging tank 3 by rotating, and the transmission mechanism 8 can drive the driven rod 4 to rotate when working, so that the driven rod 4 can drive the multiple storage racks 7 and the sub-packaging tank 3 to rotate together, so that the positions of the multiple sub-packaging tanks 3 can be changed. The quantitative pump 13 can quantitatively discharge the petroleum sample stored in the storage tank 2, and the flow sensor 14 can further monitor the discharge amount of the petroleum to ensure the accuracy of the discharge amount. The petroleum sample can be injected into the sub-packaging tank 3 through the flexible hose 15 after the closure cover 10 is opened. The sub-packaging tank 3 can be removed from the storage rack 7 by sliding upwards, so as to facilitate the movement and removal of the sub-packaging tank 3. The liquid discharge valve 11 can directly discharge the sub-packaged petroleum sample in the sub-packaging tank 3, so that the sub-packaging tank 3 is more convenient to use.

[0021] Further, the transmission mechanism 8 comprises a speed reducer motor 801, the speed reducer motor 801 is fixedly connected with the surface of the base 1, a drive shaft 802 is fixedly connected with the output shaft of the speed reducer motor 801, and a belt pulley 803 is fixedly connected with the surface of the driven rod 4 and the drive shaft 802.

[0022] The speed reducer motor 801 can drive the drive shaft 802 to rotate when working, and the drive shaft 802 can drive the driven rod 4 to rotate through the transmission of the belt pulley 803 and the belt, so that the movable table 6 can be rotated.

[0023] Further, the temperature control mechanism 9 comprises a semiconductor refrigerator 901 and an electric heating plate 902, the semiconductor refrigerator 901 is fixed on the left and right sides of the storage tank 2, and the electric heating plate 902 is fixed on the front and rear sides of the surface of the storage tank 2. A temperature sensor 903 is installed on the surface of the sub-packaging tank 3.

[0024] The temperature sensor 903 can monitor the temperature of the petroleum sample in the storage tank 2, the electric heating plate 902 can heat the storage tank 2, and the semiconductor refrigerator 901 can provide a refrigeration effect for the storage tank 2 when working, so that the petroleum in the storage tank 2 can meet the required storage temperature requirement.

[0025] Further, the surface of the semiconductor refrigerator 901 is fixedly connected with a cooling fan 904.

[0026] The semiconductor refrigerator 901 generates heat when working, and the cooling fan 904 can exhaust the heat generated by the semiconductor refrigerator 901 when working, so that the semiconductor refrigerator 901 can work for a long time.

[0027] Further, the top of the storage tank 2 is communicated with an air inlet valve 17, the storage tank 2 is made of stainless steel, and the material of the sub-packaging tank 3 is polytetrafluoroethylene;

[0028] When the quantitative pump 13 is turned on, the sample is sent from the storage tank 2 to the inside of the sub-packaging tank 3 by the quantitative pump 13, the volume in the storage tank 2 is reduced, a negative pressure can be formed, which causes the sub-packaging flow rate to be unstable or the sub-packaging pump to be idling, and the design of the air inlet valve 17 allows the external device to make the inert gas enter the storage tank 2, supplement the space volume lost due to the reduction of the sample, maintain the constant pressure in the cavity, ensure the smoothness of the sub-packaging process, and through the design of the material of the storage tank 2, the stainless steel has high corrosion resistance and high mechanical strength, which can be suitable for the storage of petroleum samples, and the polytetrafluoroethylene has high temperature resistance, good chemical stability, and high transparency, which can enable the user to quickly distinguish whether there is petroleum sample in the inside of the sub-packaging tank 3.

[0029] Further, the inner wall of the sealing cover 10 is fixed with a sealing gasket at the top, and the surface of the sub-packaging tank 3 is provided with a protruding part 19;

[0030] The design of the sealing gasket can improve the sealing performance of the combination of the sealing cover 10 and the sub-packaging tank 3, and the design of the protruding part 19 avoids the vertical downward falling of the sub-packaging tank 3 from the surface of the storage rack 7.

[0031] Further, the bottom of the support frame 5 is fixed with a circular guide rail 20, a plurality of sliding blocks 21 are slidably connected to the surface of the circular guide rail 20, and the bottom of the sliding block 21 is fixedly connected with the top of the movable table 6;

[0032] When the movable table 6 is rotated by the driven rod 4, the sliding block 21 can slide on the surface of the circular guide rail 20, which helps to ensure the stability of the rotation of the movable table 6, reduces the shaking of the movable table 6 during rotation, and improves the support effect of the movable table 6.

[0033] In this example, the controller 18 is electrically connected with the quantitative pump 13, the flow sensor 14, the pressure sensor 12, the temperature sensor 903, the electric heating plate 902, the semiconductor refrigerator 901, the cooling fan 904, and the reduction motor 801;

[0034] The controller 18 can receive signals from multiple devices and can operate multiple devices.

[0035] Working principle: when the sample is stored, the used petroleum sample is injected into the storage tank 2 by opening the feeding valve 16, the pressure sensor 12 can monitor the weight change of the storage tank 2, the temperature sensor 903 can monitor the temperature of the petroleum sample in the storage tank 2, the electric heating plate 902 can heat the storage tank 2, and the semiconductor refrigerator 901 can provide refrigeration effect for the storage tank 2 when working, so that the petroleum in the storage tank 2 can meet the required storage temperature requirement, the closing cover 10 can be removed from the sub-packaging tank 3 by rotating, the reduction motor 801 can drive the driven rod 4 to rotate through the transmission of the driving shaft 802 and the belt pulley 803, so that the driven rod 4 can drive a plurality of storage racks 7 and sub-packaging tanks 3 to rotate together, so that the positions of the plurality of sub-packaging tanks 3 can be changed, the quantitative pump 13 can quantitatively discharge the petroleum sample stored in the storage tank 2 after being opened, the flow sensor 14 can further monitor the discharge amount of the petroleum to ensure the accuracy of the discharge amount, and the petroleum sample can be injected into the sub-packaging tank 3 after the closing cover 10 is opened through the flexible hose 15, after the sub-packaging is completed, the closing cover 10 is reinstalled and is slid upward to remove the sub-packaging tank 3 from the storage rack 7, so that the subsequent activity of the sub-packaging tank 3 is facilitated, and the petroleum sample in the sub-packaging tank 3 after sub-packaging can be directly discharged by opening the liquid discharge valve 11, so that the sub-packaging tank 3 is more convenient to use.

[0036] The above is only a preferred embodiment of the present application, and is not used to limit the present application, and any modification, equivalent replacement and improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A sample storage device for oil sampling, comprising a base (1), a storage tank (2) and a plurality of sub-tanks (3), characterized in that: The base (1) top is fixed with support frame (5), the base (1) top rotary connection has driven rod (4), the driven rod (4) top and support frame (5) bottom rotary connection, the driven rod (4) surface is fixed with movable table (6), the movable table (6) surface is fixed with a plurality of storage rack (7), the storage rack (7) surface is opened and is stored opening, the subpackaging tank (3) and storage rack (7) storage opening surface sliding connection, the subpackaging tank (3) top screw connection has closed cover (10), the subpackaging tank (3) surface lower side is communicated with drain valve (11), the support frame (5) top is fixed with pressure sensor (12), the pressure sensor (12) top and storage tank (2) bottom fixed connection, the base (1) top is installed with transmission mechanism (8), the storage tank (2) surface is installed with temperature control mechanism (9), the storage tank (2) top is communicated with feed valve (16), the storage tank (2) surface lower side is communicated with quantitative pump (13), the quantitative pump (13) surface is communicated with flow sensor (14), the flow sensor (14) surface is communicated with flexible hose (15), the base (1) surface is fixed with controller (18).

2. The sample storage device for oil sampling according to claim 1, characterized in that: The transmission mechanism (8) includes a reduction motor (801), the reduction motor (801) is fixedly connected with the surface of the base (1), the output shaft of the reduction motor (801) is fixedly connected with the drive shaft (802), the drive shaft (802) and the driven rod (4) are fixedly connected with the belt pulley (803), and the two belt pulleys (803) are connected by a belt.

3. The sample storage device for oil sampling of claim 1, wherein: The temperature control mechanism (9) includes a semiconductor refrigerator (901) and an electric heating plate (902), the semiconductor refrigerator (901) is fixed on the left and right sides of the storage tank (2), the electric heating plate (902) is fixed on the front and rear sides of the surface of the storage tank (2), and the temperature sensor (903) is installed on the surface of the subpackaging tank (3).

4. The sample storage device for oil sampling of claim 3, wherein: The surface of the semiconductor refrigerator (901) is fixedly connected with a cooling fan (904).

5. The sample storage device for oil sampling of claim 1, wherein: The storage tank (2) is communicated with an air inlet valve (17), the storage tank (2) is made of stainless steel, and the subpackaging tank (3) is made of polytetrafluoroethylene.

6. The sample storage device of claim 1, wherein: The sealing gasket is fixed on the inner wall of the closed cover (10), and the subpackaging tank (3) is provided with a protruding portion (19).

7. The sample storage device of claim 1, wherein: The support frame (5) is fixedly connected with a circular guide rail (20), and the circular guide rail (20) is slidably connected with a plurality of sliding blocks (21), and the sliding blocks (21) are fixedly connected with the top of the movable table (6).

Images