CN221078148U - Sampling device suitable for liquid ammonia transport vechicle - Google Patents

Abstract

A sampling device suitable for a liquid ammonia transport vehicle comprises a square rod, a connecting frame, a butt joint piece and a sampling part; the number of the butt joint parts is multiple, and the butt joint parts are equidistantly arranged on the side wall of the connecting frame; the number of the sampling parts is multiple, and the sampling parts are respectively arranged on different butt joint pieces; the square rods are arranged on the sampling parts; the butt joint piece comprises a transverse plate and a circular ring; the transverse plate is arranged on the side wall of the connecting frame, and the circular ring is arranged on the end surface of the transverse plate far away from the connecting frame; and an internal thread is arranged on the inner wall of the circular ring. The utility model effectively samples the liquid ammonia with different depths, and achieves the purpose of sampling the liquid ammonia with different depths.

Description

Sampling device suitable for liquid ammonia transport vechicle

Technical Field

The utility model relates to a sampling device, in particular to a device capable of sampling liquid ammonia in a liquid ammonia transport vehicle, and belongs to the technical field of liquid ammonia transport vehicle sampling equipment.

Background

Liquid ammonia is a colorless transparent liquid which has strong pungent odor and which is soluble in water and ethanol, belonging to dangerous chemicals; the transportation of industrial liquid ammonia is generally carried out by tank cars or tank trucks; when the liquid ammonia exists in the transport vehicle, sampling and testing are sometimes required to be carried out on the liquid ammonia in the transport vehicle, so that the purity, chloride ions and other indexes of the liquid ammonia are analyzed, and then the process is adjusted and the production is guided; the depth of the inner cavity of the tank car or the tank car is within the range of two to three meters, and a tank opening is reserved at the top end for sample collection; currently, the work for sample collection is done manually; the staff fixes the sampling bottle on the long rod, then stretches the sampling bottle below the liquid level of the liquid ammonia for sampling, after the sampling bottle enters the liquid level, the liquid ammonia on the surface layer is directly filled into the sampling bottle, so that the liquid ammonia on the surface layer of the liquid level can be sampled only, the liquid ammonia at other depths can not be sampled, the subsequent analysis result has errors, and the production guidance is not facilitated; therefore, a device capable of sampling liquid ammonia with different layer depths is needed, so that the sampling flexibility is improved, and the accuracy of subsequent analysis is ensured.

Disclosure of utility model

The utility model aims to overcome the defects of the prior art, and provides a sampling device suitable for a liquid ammonia transport vehicle, which can sample liquid ammonia with different layer depths, so that the flexibility of sampling is improved, and the accuracy of subsequent analysis operation is ensured.

The utility model solves the problems through the following technical proposal:

A sampling device suitable for a liquid ammonia transport vehicle comprises a square rod, a connecting frame, a butt joint piece and a sampling part; the number of the butt joint parts is multiple, and the butt joint parts are equidistantly arranged on the side wall of the connecting frame; the number of the sampling parts is multiple, and the sampling parts are respectively arranged on different butt joint pieces; the square rods are arranged on the sampling parts; the butt joint piece comprises a transverse plate and a circular ring; the transverse plate is arranged on the side wall of the connecting frame, and the circular ring is arranged on the end surface of the transverse plate far away from the connecting frame; and an internal thread is arranged on the inner wall of the circular ring.

The sampling device suitable for the liquid ammonia transport vehicle comprises a cylinder, an upper disc, a lower disc and a screw; an upper disc and a lower disc are respectively arranged at two ends of the cylinder; screw holes are formed in the circle centers of the upper disc and the lower disc, and the screw rod penetrates through the screw holes of the upper disc and the lower disc; the length of the screw rod is longer than that of the cylinder; an annular handle is arranged at the top end of the screw rod; the center of the screw rod is provided with square holes along the axial lead direction of the screw rod, and all the square holes in the center of the screw rod are sequentially inserted into the square rods.

According to the sampling device suitable for the liquid ammonia transport vehicle, the baffle is arranged at the bottom end of the connecting frame, and the end part of the square rod is pressed on the baffle; the length of the square rod is equal to that of the connecting frame.

Above-mentioned sampling device suitable for liquid ammonia transport vechicle, be provided with the external screw thread on the circumference outer wall of lower disc, and the external screw thread of lower disc constitutes screw-thread fit connection structure with the internal thread of ring.

Above-mentioned sampling device suitable for liquid ammonia transport vechicle, the top of link is provided with the handle.

According to the utility model, each sampling bottle is put into the liquid ammonia of the transport vehicle through the connecting frame, and the liquid level depth of each sampling part is different through the different positions of the butt joint parts, so that the purpose of sampling liquid ammonia with different layer depths is realized.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic view of a partial enlarged structure of the present utility model A;

FIG. 3 is a schematic cross-sectional view of a sampling portion of the present utility model.

The list of the reference numerals in the drawings is: 1. square rod, connecting frame, cylinder, upper disc, lower disc, screw, baffle, transverse plate and circular ring.

Detailed Description

Referring to fig. 1, 2 and 3, the present utility model includes a square bar 1, a connection frame 2, a butt joint and a sampling part; the number of the butt joint parts is multiple, and the butt joint parts are equidistantly arranged on the side wall of the connecting frame 2; the number of the sampling parts is multiple, and the sampling parts are respectively arranged on different butt joint pieces; the sampling part is arranged on the butt joint piece with the corresponding depth according to the requirement; the square rods 1 are arranged on the sampling parts; the butt joint part comprises a transverse plate 8 and a circular ring 9; the transverse plate 8 is arranged on the side wall of the connecting frame 2, and the circular ring 9 is arranged on the end surface of the transverse plate 8 far away from the connecting frame 2; the inner wall of the circular ring 9 is provided with an internal thread.

The sampling part comprises a cylinder 3, an upper disc 4, a lower disc 5 and a screw 6; the two ends of the cylinder 3 are respectively provided with an upper disc 4 and a lower disc 5; screw holes are formed in the circle centers of the upper disc 4 and the lower disc 5, and screw rods 6 penetrate through the screw holes of the upper disc 4 and the lower disc 5; after the screw rod 6 passes through the threaded holes of the upper disc 4 and the lower disc 5 at the same time, the liquid ammonia in the cylinder 3 cannot be discharged, and the liquid ammonia is reserved at the gap between the cylinder 3 and the screw rod 6; when the screw rod 6 is separated from the threaded hole of the lower disc 5, the threaded hole channel of the lower disc 5 is opened, so that the liquid ammonia can be discharged; the length of the screw 6 is greater than the length of the cylinder 3, which ensures that the screw 6 can reliably block the threaded hole channels of the upper disc 4 and the lower disc 5; the top end of the screw rod 6 is provided with an annular handle, the screw rod 6 can be driven to rotate by rotating the annular handle, and the screw rod 6 is driven to move along the axial lead direction by the rotation of the screw rod 6; square holes are formed in the center of the screw rod 6 along the axial lead direction of the screw rod, and all square holes in the center of the screw rod 6 are sequentially inserted into the square rods 1; the square rod 1 can be inserted into the screw rod 6 or can be separated from the screw rod 6; through the rotation of square rod 1, drive screw rod 6 synchronous revolution, and then drive screw rod 6 open or shutoff disc 5's screw hole passageway down.

The bottom end of the connecting frame 2 is provided with a baffle 7, and the end part of the square rod 1 is pressed on the baffle 7; when the bottom end of the square rod 1 is pressed on the baffle 7, the square rod 1 cannot continue to descend, and a worker holds the square rod 1 to apply downward force, so that the square rod 1 can reliably penetrate through all the discs; the length of the square bar 1 is equal to the length of the connecting frame 2, which ensures that the square bar 1 can be threaded through all the discs.

An external thread is arranged on the circumferential outer wall of the lower disc 5, and the external thread of the lower disc 5 and the internal thread of the circular ring 9 form a thread matching connection structure; the lower disc 5 can be driven to rotate by rotating the cylinder 3, so that the lower disc 5 is controlled to be relatively fixed on the circular ring 9 or separated from the circular ring 9, when the cylinder 3 is sampled, the lower disc 5 is relatively fixed on the circular ring 9, and when the sampling is completed, the device is lifted out, the lower disc 5 is rotated, so that the cylinder 3 can be taken down.

The top of the connecting frame 2 is provided with a handle, and a worker can effectively hold the connecting frame 2 through the handle.

The actual use process comprises the following steps: setting sampling parts according to the required sampling depth and the number of the required sampling depths, wherein the number of the sampling parts is equal to the number of the required sampling depths, and installing each sampling part on a butt joint piece with the corresponding depth;

During installation, each lower disc 5 is screwed into the circular ring 9 for fixation; then the square rod 1 passes through the ring 9 and the screw rod 6 along the way until the bottom end of the square rod 1 is pressed on the baffle 7; then the square rod 1 is rotated until all screw rods 6 seal the threaded holes of the lower disc 5; then the end parts of the square rod 1 and the connecting frame 2 are held by hands, and the device is inserted below the liquid level of the liquid ammonia until the baffle 7 contacts the tank bottom; then rotating the square rod 1 to enable the screw rod 6 to ascend, opening a threaded hole channel of the lower disc 5, at the moment, pouring liquid ammonia at the liquid level of the cylinder 3 into the cylinder 3, after a period of time, reversely twisting the square rod 1 to enable the screw rod 6 to descend until the threaded hole of the lower disc 5 is blocked, then pulling out the device, and pulling out the square rod 1 after pulling out the device; then, each cylinder 3 is rotated to be taken down from the lower disc 5, then the annular handle of the screw rod 6 is rotated to rotate the screw rod 6 to open the channel of the lower disc 5, and then the liquid ammonia in the cylinder 3 is discharged for assay analysis; different depths corresponding to different cylinders 3 realize the purpose of sampling liquid ammonia with different depths.

Claims (5)

1. Sampling device suitable for liquid ammonia transport vechicle, its characterized in that: comprises a square rod (1), a connecting frame (2), a butt joint piece and a sampling part; the number of the butt joint parts is multiple, and the butt joint parts are equidistantly arranged on the side wall of the connecting frame (2); the number of the sampling parts is multiple, and the sampling parts are respectively arranged on different butt joint pieces; the square rods (1) are arranged on each sampling part; the butt joint piece comprises a transverse plate (8) and a circular ring (9); the transverse plate (8) is arranged on the side wall of the connecting frame (2), and the circular ring (9) is arranged on the end surface of the transverse plate (8) far away from the connecting frame (2); an inner thread is arranged on the inner wall of the circular ring (9).

2. The sampling device for a liquid ammonia transport vehicle of claim 1, wherein: the sampling part comprises a cylinder (3), an upper disc (4), a lower disc (5) and a screw (6); the two ends of the cylinder (3) are respectively provided with an upper disc (4) and a lower disc (5); screw holes are formed in the circle centers of the upper disc (4) and the lower disc (5), and the screw rod (6) penetrates through the screw holes of the upper disc (4) and the lower disc (5); the length of the screw (6) is longer than that of the cylinder (3); an annular handle is arranged at the top end of the screw rod (6); the center of the screw rod (6) is provided with square holes along the axial line direction of the screw rod, and all the square holes in the center of the screw rod (6) are sequentially inserted into the square rods (1).

3. The sampling device for a liquid ammonia transport vehicle of claim 2, wherein: the bottom end of the connecting frame (2) is provided with a baffle (7), and the end part of the square rod (1) is pressed on the baffle (7); the length of the square rod (1) is equal to the length of the connecting frame (2).

4. A sampling device adapted for use with a liquid ammonia transport vehicle as claimed in claim 3, wherein: external threads are arranged on the outer wall of the circumference of the lower disc (5), and the external threads of the lower disc (5) and the internal threads of the circular ring (9) form a threaded matching connection structure.

5. The sampling device for a liquid ammonia transport vehicle of claim 4, wherein: the top end of the connecting frame (2) is provided with a handle.