CN217638167U - Device for sampling raw materials of liquid tank car - Google Patents

Abstract

The utility model discloses a device of liquid tank wagon raw materials sample, the sampler includes: the sampler comprises a sampler outer barrel and a sampler inner barrel, wherein the sampler outer barrel is provided with oil inlets at different heights of the outer wall, each oil inlet is internally provided with an oil inlet self-closing cover plate, the top of the sampler outer barrel is communicated with a charging pipe, the bottom of the sampler outer barrel is communicated with an oil discharge pipe, and the top and the bottom of the sampler outer barrel and the top and the bottom of the sampler inner barrel are both closed structures; the calibers of the plurality of oil inlets are sequentially reduced from the top end to the bottom end of the outer wall of the sampler outer barrel; the sampler inner tube suit sets up intercommunication mouth self-closing apron in the intercommunication mouth through the intercommunication mouth intercommunication of bottom between sampler urceolus and the sampler inner tube in the sampler urceolus, and the bottom of sampler inner tube sets up the sampling tube, and the pressure release pipe is seted up at the top, the utility model discloses simple structure, sample convenient operation is fit for extensively promoting.

Description

Device for sampling raw materials of liquid tank car

Technical Field

The utility model relates to a sampling device technical field specifically is a device of liquid tank wagon raw materials sample.

Background

At present, in the production process of oil products, coal tar and other liquid raw materials are commonly used raw materials in production, and when the factory raw material liquid is purchased and unloaded, the quality of the raw materials needs to be accurately controlled. In order to detect the quality of the raw material, a sampling person needs to sample the raw material entering the plant.

The existing raw material sampling method is basically that a steel bar is bound with a sampling bottle at the front end, the sampling is carried out by penetrating into different depths of a tank car, then the taken samples are mixed, and the taken part is tested. The method has limitations, and the accuracy of taking out samples is low and is not representative.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a device of liquid tank wagon raw materials sample to solve the low problem of current sampling device sample accuracy.

The technical scheme of the utility model is that:

an apparatus for sampling liquid tanker stock, comprising: sampler and riser, the sampler includes: the sampler comprises a sampler outer barrel, wherein oil inlets are formed in the outer wall at different heights, an oil inlet self-closing cover plate is arranged in each oil inlet, the top of the sampler outer barrel is communicated with a pressurizing pipe, the bottom of the sampler outer barrel is communicated with an oil discharging pipe, and the calibers of the oil inlets are sequentially reduced from the top end to the bottom end of the outer wall of the sampler outer barrel; the sampler inner tube, the suit is in the sampler urceolus, the sampler urceolus with intercommunication mouth intercommunication through the bottom between the sampler inner tube, set up intercommunication mouth self-closing apron in the intercommunication mouth, the bottom of sampler inner tube sets up the sampling tube, and the bleeder line is seted up at the top.

Further, the method also comprises the following steps: the charging valve is arranged on the charging pipe; the pressure relief valve is arranged on the pressure relief pipe; the oil discharge valve is arranged on the oil discharge pipe; the sampling valve is arranged on the sampling pipe; and the pressure gauge is arranged between the pressure release valve and the communication end of the pressure release pipe and the inner barrel of the sampler.

Further, the method also comprises the following steps: the floater, connect the connecting rod one end of buoy on the floater, the floater sets up in the sampler inner tube, and the other end of the connecting rod of buoy runs through the top of sampler inner tube, and the department of running through sets up the sealing washer.

Further, the method also comprises the following steps: the supporting disc is sleeved at the position, close to the top end, of the outer barrel of the sampler; the supporting frame is an annular table, and a small-section end sleeve is arranged at the bottom end of the outer barrel of the sampler.

Furthermore, the bottom of the support frame is provided with an explosion-proof bottom lining ring.

Furthermore, a fixing hole is formed in the top of the inner barrel of the sampler, one end of the lifting rope is fixed to the fixing hole, the other end of the lifting rope is wound on the lifter, and the lifter is arranged on the lifter support.

Furthermore, the lifter is an anti-falling lifter, the lifting rope is provided with a limiting block, and the lifter is provided with a limiting ring.

Furthermore, the communication port self-closing cover plate and the oil inlet self-closing cover plate are both circular arch-shaped cover plates which are opened towards the inner side of the cylinder in one direction, and the inner curved surfaces of the circular arches are provided with explosion-proof sealing gaskets made of materials with compression-resistant buffering effects.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses simple structure, the sample operation step is simple, and the sample is convenient, can once only take out the mixed sample that the liquid raw materials of advancing factory has representativeness fast, has satisfied the demand of reality production.

Drawings

Fig. 1 is a front view of the internal structure diagram of the present invention.

The sampler comprises a sampler inner cylinder, 11, a communication port, 12, a communication port self-closing cover plate, 2, a sampler outer cylinder, 21, an oil inlet, 22, an oil inlet self-closing cover plate, 23, a pressurizing pipe, 231, a pressurizing valve, 24, a pressure relief pipe, 241, a pressure relief valve, 25, a sampling pipe, 251, a sampling valve, 26, an oil discharge pipe, 261, an oil discharge valve, 3, a pressure gauge, 4, a floating ball, 5, a buoy, 6, a lifting rope, 61, a limiting block, 62, a limiting ring, 7, a lifter, 8, a lifter support, 9, a support plate, 91, an oil cleaning disc, 92, a limiting table, 10, a support frame, 101 and an explosion-proof bottom lining ring.

Detailed Description

The following describes in detail a specific embodiment of the present invention with reference to fig. 1. In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the present invention.

The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature; in the description of the present invention, "a plurality" means two or more unless otherwise specified.

It should be noted that the circuit connection involved in the present invention adopts a conventional circuit connection manner, and does not involve any innovation.

Examples

As shown in fig. 1, a device for sampling raw materials of a liquid tanker comprises: a sampler and riser 7, the sampler comprising: the sampler comprises a sampler outer cylinder 2 and a sampler inner cylinder 1, wherein oil inlets 21 are formed in the outer wall of the sampler outer cylinder 2 at different heights, gas leaks out in the pressurizing process of the sampler, raw materials are lost in the sampling process, an oil inlet self-closing cover plate 22 is arranged in each oil inlet 21, the top of the sampler outer cylinder 2 is communicated with a pressurizing pipe 23, the bottom of the sampler outer cylinder is communicated with an oil discharging pipe 26, and the top and the bottom of the sampler outer cylinder 2 and the sampler inner cylinder 1 are both of a closed structure; due to different pressures of liquid raw material layers entering a factory, the calibers of the oil inlets 21 are sequentially reduced from the top end to the bottom end of the outer wall of the sampler outer barrel 2; the sampler inner cylinder 1 is sleeved in the sampler outer cylinder 2, the sampler outer cylinder 2 is communicated with the sampler inner cylinder 1 through a communication port 11 at the bottom end, a communication port self-closing cover plate 12 is arranged in the communication port 11, a sampling pipe 25 is arranged at the bottom of the sampler inner cylinder 1, and a pressure relief pipe 24 is arranged at the top of the sampler inner cylinder.

Specifically, still include: the pressure charging valve 231, the pressure release valve 241, the oil discharge valve 261 and the sampling valve 251, wherein the pressure charging valve 231, the pressure release valve 241, the oil discharge valve 261 and the sampling valve 251 are all ball valves, and the pressure charging valve 231 is arranged on the pressure charging pipe 23; a pressure relief valve 241 is arranged on the pressure relief pipe 24; an oil discharge valve 261 is provided on the oil discharge pipe 26; a sampling valve 251 is provided on the sampling tube 25; and a pressure gauge 3 is arranged between the pressure relief valve 241 and the communication end of the pressure relief pipe 24 and the sampler inner cylinder 1.

Preferably, for the convenience of observing the sampling process, more make things convenient for audio-visual observation sample progress, still include: the floater 4, the last connecting rod one end of connecting buoy 5 of floater 4, floater 4 sets up in sampler inner tube 1, and the other end of buoy 5's connecting rod runs through the top of sampler inner tube 1, and the department of running through sets up the sealing washer.

Specifically, still include: the sampler comprises a supporting disk 9 and a supporting frame 10, wherein the supporting disk 9 is sleeved at the position, close to the top end, of the sampler outer cylinder 2; the support frame 10 is an annular table, and a small-section end sleeve is arranged at the bottom end of the sampler outer cylinder 2.

Preferably, for explosion prevention and safety improvement, the bottom of the support frame 10 is provided with an explosion-proof bottom lining ring 101.

Specifically, a fixing hole is formed in the top of the inner sampler barrel 1, one end of the lifting rope 6 is fixed to the fixing hole, the other end of the lifting rope is wound on the lifter 7, and the lifter 7 is arranged on the lifter support 8.

Preferably, the lifter 7 is an anti-falling lifter, the lifting rope 6 is provided with a limit block 61, and the lifter 7 is provided with a limit ring 62.

Preferably, because the gas leaks in the pressurizing process of the sampler, the raw material loss can occur in the sampling process, the communicating port self-closing cover plate 12 and the oil inlet self-closing cover plate 22 are designed to be circular arch-shaped cover plates which are opened towards the inner side of the cylinder in a one-way mode, and the circular arch-shaped inner curved surface is provided with an explosion-proof sealing gasket made of a material with a compression-resistant buffering effect.

When in use:

after the sampling vehicle is in place, the oil discharge valve, the sampling valve and the pressure release valve are closed, the pressure charging valve is slowly opened to charge low-pressure nitrogen, the charging pressure is up to 0.1 +/-0.05 MPa, and the pressure charging valve is closed.

When the lifter is started to enable the sampler to be immersed into raw materials of the tank car, the pressure release valve is slowly opened, the raw materials with different heights enter the outer barrel through different oil inlets, the inner barrel of the sampler is communicated with the outer barrel of the sampler through the bottom communicating port, each communicating port is provided with a communicating port self-closing cover plate, and the raw materials enter the inner barrel of the sampler through the different communicating port self-closing cover plates.

When the liquid level of the inner barrel and the outer barrel of the sampler is level with the liquid level of the tank car, the floating ball floats upwards, the buoy pushes upwards, the sample introduction is completed, and the pressure release valve is closed.

And starting the sampler lifter until the limiting block on the lifting rope reaches the limiting ring, and stopping the lifter.

After the sampler is lifted, the oil drain valve is opened to drain most raw materials in the outer barrel of the sampler, and then the pressure release valve and the sampling valve are opened to take out a target sample for inspection.

After the sample was accomplished, first step, open pressure-increasing valve, oil drain valve, sample valve, close the relief valve, sweep the sampler urceolus, sweep the completion back, and second step connects the pressure release mouth with the sweep gas, opens relief valve, oil drain valve, sample valve, closes the pressure-increasing valve, sweeps the inner tube, and two steps are swept the completion above, and then whole single sample work is accomplished, drops into next round of use.

The above disclosure is only for the preferred embodiments of the present invention, however, the present invention is not limited thereto, and any changes that can be considered by those skilled in the art shall fall within the protection scope of the present invention.

Claims (8)

1. An apparatus for sampling liquid tanker stock, comprising: sampler and riser (7), characterized in that, the sampler includes:

the sampler comprises a sampler outer cylinder (2), wherein oil inlets (21) are formed in different heights of the outer wall of the sampler outer cylinder (2), an oil inlet self-closing cover plate (22) is arranged in each oil inlet (21), the top of the sampler outer cylinder (2) is communicated with a charging pipe (23), the bottom of the sampler outer cylinder is communicated with an oil discharge pipe (26), and the calibers of the oil inlets (21) are sequentially reduced from the top end to the bottom end of the outer wall of the sampler outer cylinder (2);

the sampler inner tube (1), the suit is in the sampler urceolus (2), the sampler urceolus (2) with intercommunication mouth (11) intercommunication through the bottom between the sampler inner tube (1), set up intercommunication mouth self-closing apron (12) in intercommunication mouth (11), the bottom of sampler inner tube (1) sets up sampling tube (25), and pressure release pipe (24) are seted up at the top.

2. The apparatus of claim 1, further comprising:

a charging valve (231) provided on the charging pipe (23);

the pressure relief valve (241) is arranged on the pressure relief pipe (24);

an oil discharge valve (261) provided on the oil discharge pipe (26);

a sampling valve (251) provided on the sampling tube (25);

and the pressure gauge (3) is arranged between the pressure release valve (241), the pressure release pipe (24) and the communication end of the sampler inner cylinder (1).

3. The apparatus of claim 1, further comprising:

floater (4), the connecting rod one end of buoy (5) is connected on floater (4), floater (4) set up in sampler inner tube (1), and the other end of the connecting rod of buoy (5) runs through the top of sampler inner tube (1), and the department of running through sets up the sealing washer.

4. The apparatus of claim 1, further comprising:

the supporting disc (9) is sleeved at the position, close to the top end, of the sampler outer cylinder (2);

the sampler comprises a supporting frame (10), wherein the supporting frame (10) is an annular table, and a small-section end sleeve is arranged at the bottom end of the sampler outer cylinder (2).

5. A liquid tanker material sampling device according to claim 4, characterized in that the bottom of the supporting frame (10) is provided with an explosion-proof bottom lining ring (101).

6. The liquid tanker raw material sampling device according to claim 1, wherein a fixing hole is formed in the top of the sampler inner cylinder (1), one end of the lifting rope (6) is fixed on the fixing hole, the other end of the lifting rope is wound on the lifter (7), and the lifter (7) is disposed on the lifter support (8).

7. A liquid tanker raw material sampling device according to claim 6, wherein the lifter (7) is a fall-preventing lifter, the lifting rope (6) is provided with a limit block (61), and the lifter (7) is provided with a limit ring (62).

8. The liquid tank wagon raw material sampling device according to claim 1, wherein the communication port self-closing cover plate (12) and the oil inlet self-closing cover plate (22) are both circular arch-shaped cover plates which are opened towards the inner side of the cylinder in a single direction, and the inner curved surface of the circular arch is provided with an explosion-proof sealing gasket made of a material with a compression-resistant buffering effect.

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