RU63529U1 - LIQUID SAMPLING DEVICE - Google Patents

Abstract

A device for sampling liquid refers to the sampling technique and can be used to take liquid samples during environmental studies of reservoirs of natural and artificial origin in order to determine the content of oil products, other pollutants and salt composition in them. The objective of the utility model is to expand the technical characteristics of the device associated with the ability to take samples from any depth and increase the reliability of information about the state of the controlled environment. The technical result that can be obtained using the utility model is to expand. The problem is achieved in that the device for sampling the liquid contains a container connected to the node sampling and moving relative to the housing of the device parts, consisting of a float and a cylindrical sleeve, as well as seals. At the same time, an emphasis is made on the outer surface of the cylindrical sleeve, a thread is cut below it, with the possibility of connecting with a lock nut and between which an additional removable load is placed. In the process, the assembled device is immersed in a pond or reservoir. In this case, when passing through the surface layer, the sleeve blocks the channels and the liquid does not enter the tank. With further immersion and reaching a predetermined depth, the float pops up and carries the sleeve along with it. The through channels open, and the liquid begins to fill the tank, forcing air out of it. In the process of immersion, the device is placed strictly upright and maintains its stable position during the sampling process. With further lowering of the device, liquid does not enter the tank, because it was already filled at a given depth. After sampling, the device is removed from the reservoir or reservoir by the cable. In this case, the moving parts (the float and the sleeve with additional weight) after raising the device above the depth of the liquid intake fall and block the through channels, which eliminates the ingress of the surface film into the container with the sample taken. After sampling, the device is removed by the cable, the container is unscrewed from the sampling unit and closed with a stopper. Thus, the proposed device has advanced functionality associated with sampling from any given depth. 1 ill.

Description

The utility model relates to the sampling technique and can be used to take fluid samples during environmental studies of reservoirs of natural and artificial origin in order to determine the content of oil products, other pollutants and salt composition in them.

When developing designs of samplers, technical problems are solved related to obtaining a representative sample of liquid from a given depth and delivering it to the surface. To solve these technical problems, the samplers should be equipped with elements that provide immersion to a given depth, the possibility of opening at the right time the channels of fluid intake, sealing the sample and delivering it to the surface.

Currently, there are various types of samplers that can solve the above problems, however, this is often achieved by a rather complicated structural design of the units and elements of the device, which reduces their reliability and ease of use.

A device for sampling water is known (SU, auth. Certificate. N 367358, class G01N 1/14, 1973). The device comprises a bed with a cable and a glass vessel with a stopper, in which two holes are made for tubes of different lengths, respectively, for the passage of fluid and air. The tubes are connected by an elastic hose through a glass jumper tube.

Depressurization of the sampling system is carried out by a messenger that breaks the jumper tube, while the hoses are straightened and open passages for liquid and air. The design of the device involves the complexity of installation and is not convenient and reliable during operation.

A device is known (GB, application N 2236522, class G01N 1/12, 91) containing a sample vessel to which a valve assembly is connected. Using a special clamp, the vertical position of the sample vessel is ensured. The complex design of the valve assembly reduces the reliability of the sampler. The presence of a retainer increases the dimensions of the device assembly, which may limit the scope of its use (for example, when sampling from narrow wells).

These shortcomings are eliminated in the device for sampling water (SU, author certificate. N 418755, IPC G01N 1/10, 1974), containing a container and a unit mounted on a cable

sampling. The sampling unit is made in the form of a cylindrical body with openings for the passage of liquid, within which the cargo is placed. Capacity installed on the base. The design of the device is simple, however, it is not convenient enough to operate and has limited functionality.

The closest in technical essence (RF patent No. 2090856 "Device for sampling liquids", IPC G01N 27/00 from 09/20/1997).

It contains a container with an external thread fixed on a cable, a cylindrical body with a load, a rod handle and an adapter ring with an external and internal thread, while the body in the lower part is equipped with a shank formed by a conical ring selection, the end part of which is provided with an internal thread and the side conical the surface contains holes for the passage of fluid, made in the form of inclined through channels, the container is provided with an external thread, and the handle, the housing with the load, the adapter ring and the container are located coaxially, the handle with the upper end connected to the cable, and the lower end rigidly connected to the housing, the tank is connected to the shank through the adapter ring by means of a threaded connection. The device comprises a coaxial to the handle and the body and coaxially located with each other the float with an opening for the handle and a cylindrical sleeve with a conical seal overlapping the holes in the shank, while the float with the sleeve is mounted to move along the handle and the body. The device contains an additional load in the form of an annular element provided with radial rods with external and internal threads, connected to the shank and the adapter ring by means of a threaded connection.

To expand the functionality if it is necessary to take samples from a heterogeneous fluid system, for example, from under a layer of oil products, it is advisable to equip the device with coaxially located and rigidly connected floats with a central hole for the handle and a cylindrical sleeve overlapping holes in the shank, which are installed with the possibility of movement along the handle and body.

This design prevents the penetration of the liquid into the container when passing through the surface layer, and also provides the opening of the holes for the passage of the liquid when the float is immersed in the liquid float with the sleeve at a strictly fixed depth. The conical seal at the bottom of the sleeve provides reliable sealing of the container.

The disadvantage of this device is its limited use associated with the abstraction of water only in the parietal layer.

The disadvantage of this device is that it is intended for sampling only the upper layers.

To eliminate these shortcomings and improve the technical characteristics of the device and increase the reliability of information about the state of the controlled environment, a “Device for environmental monitoring” is proposed (RF patent for utility model No. 52482, IPC G01N 1/22, 2006).

The objective of the utility model is to expand the technical characteristics of the device associated with the ability to take samples from any depth and increase the reliability of information about the state of the controlled environment.

The technical result that can be obtained using the utility model is to expand.

The problem is achieved in that the device for sampling the liquid contains a container connected to the node sampling and moving relative to the housing of the device parts, consisting of a float and a cylindrical sleeve, as well as seals. At the same time, an emphasis is made on the outer surface of the cylindrical sleeve, a thread is cut below it, with the possibility of connecting with a lock nut and between which an additional removable load is placed.

The essence of the utility model is illustrated in the drawing, where: 1 - capacity; 2 - transition ring; 3 - case; 4 - pen; 5 - shank; 6 - through inclined channels; 7 - stock; 8 - a float; 9 - a cylindrical sleeve; 10 - conical seal; 11 - additional load; 12 - radial rods; 13 - emphasis; 14 - thread; 15 - additional load; 16 - a lock-nut.

The device comprises a sample container 1 with a thread on the outer surface of the open neck, an adapter ring 2 with an internal and external thread, a cylindrical body 3, a handle 4 with a sleeve for attaching a cable.

An annular conical recess is made in the lower part of the housing 4, which forms a shank 5. On the conical lateral surface of the shank 5, there are made through inclined channels 6 for liquid passage and air outlet.

The handle 4 is connected to the cable through the rod 7 and is rigidly connected to the housing 3. The shank 5 of the housing 3 is connected to the adapter ring 2, which is connected to the tank 1 by means of threaded connections. The load is reliably insulated from contact with the liquid by the lid, which guarantees the representativeness of the sample.

The device comprises a float 8 with a central hole for the handle 4, rigidly connected to a cylindrical sleeve 9, overlapping through channels 6 in the shank 5, in the lower part of which there is a conical seal 10. The float 8 and the sleeve

9 are mounted for movement along the rod 7 and the housing 3.

The device may contain an additional load 11, made in the form of a ring with weighting radial rods 12. The additional load 11 has an external and internal thread, with which it is attached to the shank 5, and the adapter ring 2 is located inside the additional load 11.

For sampling at a given depth on the outer surface of the cylindrical sleeve 9, an emphasis 13 and a thread 14 are made, which are used to place and secure the load 15 using a lock nut 16.

Before work, the tank 1 must be screwed into the adapter ring 2 until it stops. In turn, the ring 2 is connected to the shank 5 using a thread, and the cable is attached to the handle 4 using the rod 7.

An additional load is installed on the cylindrical sleeve 9, which corresponds to the depth of sampling and fix it with a lock nut to the stop. Then the movable device, consisting of a float 8 and a cylindrical sleeve 9 with an additional load 15, put on the rod 7 and the housing 3 of the device.

The assembled device is immersed in a reservoir or tank. In this case, when passing through the surface layer, the sleeve 9 overlaps the channels 6 in the shank 5 and the liquid does not enter the tank 1. Upon further immersion and reaching a predetermined depth, the float 8 floats and carries the sleeve 9. The through channels 6 open and the liquid begins to fill the tank 1 expelling air from it. In the process of immersion, the device is placed strictly upright and maintains its stable position during the sampling process. With further lowering of the device, liquid does not enter the tank 1, because it was already filled at a given depth.

After sampling, the device is removed from the reservoir or reservoir by the cable. In this case, the moving parts (float 8 and sleeve 9 with an additional load 15), after raising the device above the depth of intake, the liquids drop and block the through channels 6, which prevents the surface film from entering the container 1 with the sample taken.

After sampling, the device is removed by the cable, the container 1 is unscrewed from the sampling unit and closed with a stopper.

Thus, the proposed device has advanced functionality associated with sampling from any given depth.

Claims (1)

A device for sampling a liquid, comprising a container connected to a sampling unit and parts movable relative to the housing of the device, consisting of a float and a cylindrical sleeve, as well as a seal, characterized in that an emphasis is made on the outer surface of the cylindrical sleeve, with a thread cut below it, with the possibility connections with a lock nut and between which an additional removable load is placed.