CN212254756U

CN212254756U - Liquid ammonia sampling device

Info

Publication number: CN212254756U
Application number: CN202021531681.1U
Authority: CN
Inventors: 吴磊
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-29
Filing date: 2020-07-29
Publication date: 2020-12-29
Anticipated expiration: 2030-07-29

Abstract

The utility model relates to a liquid ammonia draws technical field, discloses a liquid ammonia sampling device, including the sample jar, the left side of sample jar is equipped with first connecting pipe, and the right side of sample jar is equipped with the second connecting pipe, the middle part of threaded connection lead screw on the sample jar, the middle part of connecting the mounting panel is rotated on the upper portion of lead screw, and the right side of mounting panel is equipped with driving motor, the first bevel gear of driving motor's output shaft fixed connection, second bevel gear is connected in first bevel gear meshing, the upper end of second bevel gear fixed connection lead screw, the upper surface middle part of connecting the piston is rotated to the lower extreme of lead screw, both ends are equipped with the guide bar about the mounting panel, the upper end of the middle part sliding connection sample jar of guide bar, the upper surface left and right. The utility model is suitable for a liquid ammonia sampling device through reciprocating of driving motor control piston, realizes quantitative sample effect to operating personnel does not need direct contact liquid ammonia, has improved the security of this device.

Description

Liquid ammonia sampling device

Technical Field

The utility model relates to a technical field is drawed to liquid ammonia, specifically is a liquid ammonia sampling device.

Background

Liquid ammonia, also known as anhydrous ammonia, is a colorless liquid with a strong pungent odor. Ammonia is an important chemical raw material, and for convenience in transportation and storage, gaseous ammonia gas is usually pressurized or cooled to obtain liquid ammonia. Liquid ammonia is easy to dissolve in water, ammonium ions NH4+ and hydroxyl ions OH < - >, are formed after the liquid ammonia is dissolved in water, and the solution is alkaline. The liquid ammonia is often stored in a pressure-resistant steel cylinder or a steel tank, and cannot coexist with acetaldehyde, acrolein, boron and the like. Liquid ammonia is widely used in industry, has corrosiveness and is easy to volatilize, so that the chemical accident rate is high.

Therefore, the temperature of the liquid ammonia is very low, and the direct contact of operators is completely avoided when sampling.

Chinese patent (publication No. CN 205002987U) discloses a liquid sampler, which comprises a sampler bottle body including a sampler cover, a sampling rope and a sampling auxiliary device arranged at the bottom of the sampler bottle body, wherein the sampler cover is connected with the sampling rope. The device simple structure has satisfied the needs of various samples, can enough draw the sample on liquid top layer, can draw the sample on liquid bottom again, and the sample depth is accurate, and easy operation is convenient, realizes fixed point, ration sample, can automatic closure after the sample bottle lid sample, avoids mixing of sample between the different degree of depth to influence the testing result, but this kind of device can not be used for the access of liquid ammonia, consequently needs improve the device.

SUMMERY OF THE UTILITY MODEL

The utility model provides a liquid ammonia sampling device has solved the problem of proposing among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a liquid ammonia sampling device, includes the sample jar, and the left side of sample jar is equipped with first connecting pipe, and the right side of sample jar is equipped with the second connecting pipe, the middle part of sample jar upper end threaded connection lead screw, the middle part of connecting the mounting panel is rotated on the upper portion of lead screw, and the right side of mounting panel is equipped with driving motor, and the first bevel gear of driving motor's output shaft fixed connection, the second bevel gear is connected in the meshing of first bevel gear, the upper end of second bevel gear fixed connection lead screw, the upper surface middle part of connecting the piston is rotated to the lower extreme of lead screw, both ends are equipped with the guide bar about the mounting panel, the upper end of the middle part sliding connection sample jar of guide bar.

As a preferred technical scheme of the utility model, the left end of first connecting pipe is equipped with first adapter, and the left side of first adapter is equipped with first connector, and the outside of first connector is equipped with the external screw thread.

As an optimized technical scheme of the utility model, the middle part of first connecting pipe is equipped with first choke valve.

As a preferred technical scheme of the utility model, the right-hand member of second connecting pipe is equipped with the second adapter, and the right side of second adapter is equipped with the second connector, and the inside of second connector is equipped with the internal thread.

As an optimized technical scheme of the utility model, the middle part of second connecting pipe is equipped with the second choke valve.

As an optimized technical scheme of the utility model, the lower part of sample jar is equipped with the toper pipe.

As an optimized technical scheme of the utility model, the lower extreme of toper pipe is equipped with the blow off pipe, and the middle part of blow off pipe is equipped with the third throttle valve.

As an optimal technical scheme of the utility model, the left and right sides of toper pipe is equipped with the support column, and the lower extreme of support column is equipped with the bottom plate.

As an optimized technical scheme of the utility model, the outside of piston is equipped with O type circle.

The utility model discloses have following useful part:

the utility model is suitable for a liquid ammonia sampling device through setting up first connector and second connector for this device can be connected with the device adapter of difference, and through reciprocating of driving motor control piston, realizes quantitative sample effect, and operating personnel does not need direct contact liquid ammonia, has improved the security of this device.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a liquid ammonia sampling device.

FIG. 2 is a half sectional view of a liquid ammonia sampling device.

Fig. 3 is a front view of fig. 2.

In the figure: 1. a base plate; 2. a support pillar; 3. a sampling tank; 4. a tapered tube; 5. a first connector; 6. a first adapter; 7. a first connecting pipe; 8. a first throttle valve; 9. a second connector; 10. a second adapter; 11. a second connecting pipe; 12. a second throttle valve; 13. a blow-off pipe; 14. a third throttle valve; 15. an O-shaped ring; 16. a piston; 17. a guide bar; 18. a screw rod; 19. mounting a plate; 20. a drive motor; 21. a second bevel gear; 22. a first bevel gear.

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.

Example one

Referring to fig. 1-3, a liquid ammonia sampling device comprises a sampling tank 3, a first connecting pipe 7 is arranged on the left side of the sampling tank 3, a second connecting pipe 11 is arranged on the right side of the sampling tank 3, the upper end of the sampling tank 3 is in threaded connection with the middle of a screw rod 18, the upper portion of the screw rod 18 is rotatably connected with the middle of a mounting plate 19, a driving motor 20 is arranged on the right side of the mounting plate 19, an output shaft of the driving motor 20 is fixedly connected with a first bevel gear 22, the first bevel gear 22 is in meshed connection with a second bevel gear 21, the second bevel gear 21 is fixedly connected with the upper end of the screw rod 18, the lower end of the screw rod 18 is rotatably connected with the middle of the upper surface of a piston 16, guide rods 17 are arranged at the left end and the right end of the mounting plate 19, the middle of each guide.

The left end of first connecting pipe 7 is equipped with first adapter 6, the left side of first adapter 6 is equipped with first adapter 5, the outside of first adapter 5 is equipped with the external screw thread, the middle part of first connecting pipe 7 is equipped with first choke valve 8, the right-hand member of second connecting pipe 11 is equipped with second adapter 10, the right side of second adapter 10 is equipped with second connector 9, the inside of second connector 9 is equipped with the internal thread, the middle part of second connecting pipe 11 is equipped with second choke valve 12, the lower part of sample jar 3 is equipped with conical duct 4, the lower extreme of conical duct 4 is equipped with blow off pipe 13, the middle part of blow off pipe 13 is equipped with third choke valve 14, the left and right sides of conical duct 4 is equipped with support column 2, the lower extreme of support column 2 is equipped with bottom plate 1.

Example two

Referring to fig. 2, the other contents of the present embodiment are the same as those of the first embodiment, except that: an O-shaped ring 15 is arranged on the outer side of the piston 16. In order to improve the sealing effect between the piston 16 and the sampling tank 3, the O-shaped ring 15 is arranged outside the piston 16, and the piston 16 is tightly combined with the inner wall of the sampling tank 3 through the deformation of the O-shaped ring 15, so that the sealing effect is realized.

In the implementation process of the utility model, the device is placed near the liquid ammonia storage device, the first connector 5 or the second connector 9 is selected according to the output interface of the storage device, when the output interface of the storage device is male, the second connector 9 is selected to be connected with the output interface, if the output interface of the storage device is female, the first connector 5 is selected to be connected with the output interface, because the first adapter 6 or the second adapter 10 is arranged, the first connector 5 can rotate around the first connecting pipe 7, the second connector 9 can rotate around the second connecting pipe 11, thereby the first connector 5 or the second connector 9 is connected with the output interface by screw thread in a rotating way, at the moment, the corresponding first throttle valve 8 or the second throttle valve 12 is opened, the liquid ammonia in the storage device enters the sampling tank 3, and at this moment, the driving motor 20 is started, the driving motor 20 drives the screw rod 18 to rotate through the first bevel gear 22 and the second bevel gear 21 which are connected in a meshed mode, the screw rod 18 is in threaded connection with the material storage tank, so that the screw rod 18 drives the piston 16 to move upwards, liquid ammonia in the sampling tank 3 is continuously raised, after the sampling volume meets the use requirement, the driving motor 20 is stopped, the first throttle valve 8 or the second throttle valve 12 is closed, at this moment, the side device and the material storage device can be disconnected, and the side device and subsequent equipment are connected; the utility model is suitable for a liquid ammonia sampling device through setting up first connector 5 and second connector 9 for this device can be connected with the device adapter of difference, and reciprocate through driving motor 20 control piston 16, realizes quantitative sample effect, and operating personnel does not need direct contact liquid ammonia, has improved the security of this device.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A liquid ammonia sampling device comprises a sampling tank (3), wherein a first connecting pipe (7) is arranged on the left side of the sampling tank (3), a second connecting pipe (11) is arranged on the right side of the sampling tank (3), the upper end of the sampling tank (3) is in threaded connection with the middle of a screw rod (18), the upper portion of the screw rod (18) is rotatably connected with the middle of a mounting plate (19), a driving motor (20) is arranged on the right side of the mounting plate (19), an output shaft of the driving motor (20) is fixedly connected with a first bevel gear (22), the first bevel gear (22) is in meshed connection with a second bevel gear (21), the second bevel gear (21) is fixedly connected with the upper end of the screw rod (18), the lower end of the screw rod (18) is rotatably connected with the middle of the upper surface of a piston (16), guide rods (17) are arranged at the left end and the right end of the mounting plate (19), and, the lower end of the guide rod (17) is fixedly connected with the left side and the right side of the upper surface of the piston (16).

2. A liquid ammonia sampling device according to claim 1, wherein the left end of the first connection pipe (7) is provided with a first adapter (6), the left side of the first adapter (6) is provided with a first connection head (5), and the outside of the first connection head (5) is provided with an external thread.

3. A liquid ammonia sampling device according to claim 2, wherein a first throttle valve (8) is provided in the middle of the first connecting pipe (7).

4. A liquid ammonia sampling device according to claim 1, wherein the right end of the second connecting pipe (11) is provided with a second adapter (10), the right side of the second adapter (10) is provided with a second connector (9), and the inside of the second connector (9) is provided with internal threads.

5. A liquid ammonia sampling device according to claim 4, wherein a second throttle valve (12) is provided in the middle of the second connecting pipe (11).

6. A liquid ammonia sampling device according to claim 1, wherein the lower part of the sampling tank (3) is provided with a conical tube (4).

7. A liquid ammonia sampling device according to claim 6, wherein the lower end of the conical pipe (4) is provided with a sewage draining pipe (13), and the middle part of the sewage draining pipe (13) is provided with a third throttle valve (14).

8. A liquid ammonia sampling device according to claim 6, wherein the left and right sides of the conical tube (4) are provided with support columns (2), and the lower ends of the support columns (2) are provided with bottom plates (1).

9. A liquid ammonia sampling device according to claim 1, wherein an O-ring (15) is provided on the outside of the piston (16).