CN216746957U

CN216746957U - Chemical industry preparation is with circulation sampling device

Info

Publication number: CN216746957U
Application number: CN202123153236.3U
Authority: CN
Inventors: 崔晓展
Original assignee: Shanghai Ian Chemical Technology Co ltd
Current assignee: Shanghai Ian Chemical Technology Co ltd
Priority date: 2021-12-15
Filing date: 2021-12-15
Publication date: 2022-06-14
Anticipated expiration: 2031-12-15

Abstract

The utility model relates to a chemical industry preparation technical field, and disclose a chemical industry preparation is with circulation sampling device, include: sampling tube and water storage barrel, the inner wall sliding connection of sampling tube has the sample piston, the first piston rod of inner wall fixedly connected with of sample piston, the one end fixedly connected with spacing ring of sampling tube, the first seal cover of inner wall fixedly connected with of spacing ring, the inner wall difference fixedly connected with water purification pipeline and sewage pipe of spacing ring, the inner wall sliding connection of water storage barrel has the pressurized-water piston, the inner wall fixedly connected with second piston rod of pressurized-water piston, the inhalant canal has been seted up in running through at the both ends of second piston rod. This chemical industry preparation is with circulation sampling device can utilize the flexible stroke of sampling piston when taking a sample directly to drive the clear water and wash the sampler barrel inner wall, has avoided the first piston rod of pull once more after taking a sample at every turn, has reduced operating procedure, has improved sampling efficiency.

Description

Chemical industry preparation is with circulation sampling device

Technical Field

The utility model relates to a chemical industry preparation apparatus technical field specifically is a chemical industry preparation is with circulation sampling device.

Background

Sampling refers to the process of extracting an individual or sample from a population, i.e., the process of testing or observing the population. Random sampling and non-random sampling. The former refers to a sampling method for extracting samples from a population in accordance with a randomization principle, which does not have any subjectivity, and includes simple random sampling, systematic sampling, whole group sampling, and hierarchical sampling. The latter is a method of sampling samples from the opinion, experience or knowledge of the researcher, with obvious subjective colors.

Generally can need to use circulation sampling device when chemical industry preparation, general circulation sampling device need wash the inner wall with the inside clear water that inhales of device after the sample for all need wash once device inner wall after taking a sample at every turn, the operation is comparatively loaded down with trivial details, influences sampling efficiency.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a chemical industry preparation is with circulation sampling device has solved the problem that mentions in the above-mentioned background.

The utility model provides a following technical scheme: a cyclic sampling device for chemical preparation comprises: the sampling device comprises a sampling cylinder and a water storage cylinder, wherein a sampling piston is connected to the inner wall of the sampling cylinder in a sliding manner, a first piston rod is fixedly connected to the inner wall of the sampling piston, a limiting ring is fixedly connected to one end of the sampling cylinder, a first sealing sleeve is fixedly connected to the inner wall of the limiting ring, a purified water pipeline and a sewage pipeline are fixedly connected to the inner wall of the limiting ring respectively, a pressurized water piston is connected to the inner wall of the water storage cylinder in a sliding manner, a second piston rod is fixedly connected to the inner wall of the pressurized water piston, water inlet channels are formed in the two ends of the second piston rod in a penetrating manner, a water pipe joint is integrally connected to one end, far away from the pressurized water piston, of the second piston rod, the second sealing sleeve is movably sleeved to the outer wall of the water pipe joint, a first check valve is installed on the inner wall of the purified water pipeline, and a second check valve is installed on the inner wall of the sewage pipeline.

Preferably, the one end integral type of sampler barrel is connected with the sampling head, the outer wall fixedly connected with of spacing ring keeps off the position piece.

Preferably, one end of the first piston rod, which is far away from the sampling piston, is integrally connected with a force block, and the outer wall of the first piston rod is in sliding connection with the inner wall of the first sealing sleeve.

Preferably, the inner wall of the water storage cylinder is connected with the outer wall of the second piston rod in a sliding mode, and one end, far away from the water purification pipeline, of the water storage cylinder penetrates through the water purification pipeline to form a ventilation hole.

Preferably, the outer wall of the second piston rod is fixedly sleeved with an anti-slip ring, and the outer wall of the anti-slip ring is provided with anti-slip lines.

Preferably, the outer wall of the sampling tube is fixedly connected with a clamping block, and the inner wall of the clamping block is connected with the outer wall of the water storage tube in a clamping manner.

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. this cyclic sampling device is used in chemical industry preparation, a sampler barrel through setting up, a water storage section of thick bamboo, the sample piston, first piston rod, the spacing ring, first seal cover, water purification pipeline, the sewer line, the pressure water piston, the second piston rod, water inlet channel, water pipe head, the second seal cover, first check valve and second check valve, the flexible stroke of sample piston directly drives the clear water and washs the sampler barrel inner wall when can utilizing the sample, the first piston rod of pull once more after having avoided taking a sample at every turn, the operation step has been reduced, the sampling efficiency is improved.

2. This chemical industry preparation is with circulation sampling device through the water storage section of thick bamboo, pressurized-water piston, second piston rod and the inhalant canal that sets up, can directly carry the clear water of sufficient washing sampling tube, and the convenience is narrow and small in some spaces, still keeps the inside cleanliness of device when taking a sample many times in the space that external equipment is difficult for transporting.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a side sectional view of the present invention;

fig. 3 is a schematic view of the explosion structure of the present invention.

In the figure: 1. a sampling tube; 2. a water storage cylinder; 3. a sampling piston; 4. a first piston rod; 5. a limiting ring; 6. a first seal cartridge; 7. a water purification pipeline; 8. a sewage conduit; 9. a water pressurizing piston; 10. A second piston rod; 11. a water inlet channel; 12. a water pipe joint; 13. a second seal cartridge; 14. A first check valve; 15. a second one-way valve; 16. a sampling head; 17. a stop block; 18. a forcing block; 19. a vent hole; 20. an anti-slip ring; 21. and (6) clamping blocks.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a cyclic sampling device for chemical manufacturing includes: the sampling device comprises a sampling cylinder 1 and a water storage cylinder 2, wherein the inner wall of the sampling cylinder 1 is connected with a sampling piston 3 in a sliding manner, the inner wall of the sampling piston 3 is fixedly connected with a first piston rod 4, one end of the sampling cylinder 1 is fixedly connected with a limiting ring 5, the inner wall of the limiting ring 5 is fixedly connected with a first sealing sleeve 6, the inner wall of the limiting ring 5 is respectively fixedly connected with a purified water pipeline 7 and a sewage pipeline 8, the inner wall of the water storage cylinder 2 is connected with a pressurized water piston 9 in a sliding manner, the inner wall of the pressurized water piston 9 is fixedly connected with a second piston rod 10, two ends of the second piston rod 10 are provided with a water inlet channel 11 in a penetrating manner, one end of the second piston rod 10 far away from the pressurized water piston 9 is integrally connected with a water pipe joint 12, the water pipe joint 12 is movably sleeved with a second sealing sleeve 13 from the outer wall, a first check valve 14 is installed on the inner wall of the purified water pipeline 7, a second check valve 15 is installed on the inner wall of the sewage pipeline 8, and the sampling cylinder 1 and the sampling piston 3 are arranged, A water storage section of thick bamboo 2, sampling piston 3, first piston rod 4, spacing ring 5, first seal cover 6, water purification pipeline 7, sewage pipe 8, pressure water piston 9, second piston rod 10, water inlet channel 11, water pipe connector 12, second seal cover 13, first check valve 14 and second check valve 15, the flexible stroke of sampling piston 3 directly drives the clear water and washs 1 inner wall of sampling section of thick bamboo when can utilizing the sample, pull first piston rod 4 once more after having avoided taking a sample at every turn, the operation step has been reduced, the sampling efficiency has been improved.

Wherein; one end integral type of sampling cylinder 1 is connected with sampling head 16, and the outer wall fixedly connected with of spacing ring 5 keeps off a position piece 17 to reduce and form the collision to water purification pipeline 7 and sewer line 8, avoid water purification pipeline 7 and sewer line 8 to break.

Wherein; one end of the first piston rod 4, which is far away from the sampling piston 3, is integrally connected with a force block 18, and the outer wall of the first piston rod 4 is slidably connected with the inner wall of the first sealing sleeve 6, so that the first piston rod 4 is sealed to avoid water leakage.

Wherein; the inner wall of the water storage cylinder 2 is connected with the outer wall of the second piston rod 10 in a sliding mode, and one end of the water purification pipeline 7 far away from the water storage cylinder 2 penetrates through the ventilation hole 19, so that the compressed water piston 9 is guaranteed to wipe air circulation, and compressed air on the left side of the compressed water piston 9 is avoided.

Wherein; the outer wall of the second piston rod 10 is fixedly sleeved with an anti-slip ring 20, and the outer wall of the anti-slip ring 20 is provided with anti-slip lines, so that the friction force is increased, and the second piston rod 10 is prevented from slipping when being pulled.

Wherein; the outer wall fixedly connected with fixture block 21 of sampler barrel 1, and the inner wall of fixture block 21 is connected with the outer wall block of water storage section of thick bamboo 2 to the change is dismantled at any time to water storage section of thick bamboo 2.

The working principle is that when the sampling device is used, the second sealing sleeve 13 is opened, the water pipe joint 12 is placed into water, the second piston rod 10 is pulled to suck clear water into the water storage cylinder 2, the first check valve 14 is closed at the moment, then the second sealing sleeve 13 is closed, the sampling head 16 is submerged below the liquid level of a sample to be sampled when sampling, the first piston rod 4 is pulled, the first piston rod 4 drives the sampling piston 3 to move rightwards, the first check valve 14 is closed at the moment, the second check valve 15 is opened, air on the right side of the sampling piston 3 is discharged from the sewage pipeline 8, the left side of the sampling piston 3 is filled with sample liquid, when the sample is placed, the first piston rod 4 is extruded, the first piston rod 4 pushes the sampling piston 3 to reset, when the sampling piston 3 is reset, clear water in the water storage cylinder 2 is extracted to be placed in a cavity of the sampling cylinder 1 on the right side of the sampling piston 3 to clean the inner wall of the sampling cylinder 1, sample residues on the inner wall of the sampling cylinder 1 are dissolved in water, then directly sampling for the next time, submerging the sampling head 16 below the liquid level of a sample to be sampled again, drawing the first piston rod 4, driving the sampling piston 3 to move rightwards by the first piston rod 4 to suck the sample, closing the first one-way valve 14, opening the second one-way valve 15, pushing the clean water on the inner wall of the sampling cylinder 1 to be discharged from the sewage pipeline 8 when the sampling piston 3 moves rightwards, and simultaneously directly drawing the second piston rod 10 in the clean water for a certain distance to connect the water pipe joint 12 with an external water pipe, thereby avoiding drawing the second piston rod 10 to flush the inside of the water storage cylinder 2.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a cyclic sampling device for chemical industry preparation which characterized in that includes: the sampling device comprises a sampling cylinder (1) and a water storage cylinder (2), wherein the inner wall of the sampling cylinder (1) is connected with a sampling piston (3) in a sliding manner, the inner wall of the sampling piston (3) is fixedly connected with a first piston rod (4), one end of the sampling cylinder (1) is fixedly connected with a limiting ring (5), the inner wall of the limiting ring (5) is fixedly connected with a first sealing sleeve (6), the inner wall of the limiting ring (5) is fixedly connected with a purified water pipeline (7) and a sewage pipeline (8) respectively, the inner wall of the water storage cylinder (2) is connected with a pressurized water piston (9) in a sliding manner, the inner wall of the pressurized water piston (9) is fixedly connected with a second piston rod (10), water inlet channels (11) are formed in the two ends of the second piston rod (10) in a penetrating manner, one end, far away from the pressurized water piston (9), of the second piston rod (10) is integrally connected with a water pipe joint (12), the water pipe connector (12) is movably sleeved with a second sealing sleeve (13) from the outer wall, a first one-way valve (14) is installed on the inner wall of the water purifying pipeline (7), and a second one-way valve (15) is installed on the inner wall of the sewage pipeline (8).

2. The cyclic sampling device for chemical preparation according to claim 1, wherein one end of the sampling tube (1) is integrally connected with a sampling head (16), and the outer wall of the limit ring (5) is fixedly connected with a stop block (17).

3. The cyclic sampling device for chemical preparation according to claim 1, wherein one end of the first piston rod (4) far away from the sampling piston (3) is integrally connected with a force block (18), and the outer wall of the first piston rod (4) is slidably connected with the inner wall of the first sealing sleeve (6).

4. The cyclic sampling device for chemical preparation according to claim 1, wherein the inner wall of the water storage cylinder (2) is slidably connected with the outer wall of the second piston rod (10), and a vent hole (19) is formed through one end of the purified water pipeline (7) far away from the water storage cylinder (2).

5. The cyclic sampling device for chemical preparation according to claim 1, wherein the outer wall of the second piston rod (10) is fixedly sleeved with an anti-slip ring (20), and the outer wall of the anti-slip ring (20) is provided with anti-slip lines.

6. The cyclic sampling device for the chemical preparation according to claim 1, wherein the outer wall of the sampling cylinder (1) is fixedly connected with a clamping block (21), and the inner wall of the clamping block (21) is connected with the outer wall of the water storage cylinder (2) in a clamping manner.