CN209745629U

CN209745629U - Reation kettle takes pressure sampling device

Info

Publication number: CN209745629U
Application number: CN201920541183.6U
Authority: CN
Inventors: 尤彩霞
Original assignee: Hebei Chemical and Pharmaceutical College
Current assignee: Hebei Chemical and Pharmaceutical College
Priority date: 2019-04-19
Filing date: 2019-04-19
Publication date: 2019-12-06
Anticipated expiration: 2029-04-19

Abstract

The utility model discloses a reation kettle area is pressed sampling device, the reactor comprises a kettle body, the cauldron body simultaneously is connected with the cylinder, and the inside sliding connection of cylinder has the piston, piston one end is connected with the regulation pole, and adjusts pole one end and lie in cylinder one side and be connected with the hand wheel, the cylinder bottom surface is connected with the drainage tube, and the drainage tube lower extreme is connected with the sample chamber to the drainage tube extends to sample intracavity portion. The utility model discloses in, this reation kettle area presses sampling system, can take out the interior reaction liquid of cauldron at any time under the condition that reation kettle area was pressed, carry out analysis chemical examination to the appearance liquid, effectively reduced the influence to the reaction, sampling process safe and reliable, during the sample, drive through anticlockwise rotation hand wheel and adjust the pole rotation, the screw rod on the regulation pole rotates in nut flange is inside, thereby it is close to drive the one end that is equipped with the drainage tube in the cylinder, until the last port of having removed the drainage tube, opening the drainage control valve, the internal portion's of cauldron reaction liquid gets into the sample chamber under the state of pressure.

Description

Reation kettle takes pressure sampling device

Technical Field

The utility model relates to a reation kettle technical field especially relates to a reation kettle presses sampling device in area.

Background

The high-pressure reactor (magnetic high-pressure reactor) is a typical innovation of magnetic transmission device applied to reaction equipment, it solves the problem of shaft seal leakage which can not be overcome by the previous packing seal and mechanical seal, has no any leakage and pollution, is the most ideal device for domestic chemical reaction under high temperature and high pressure, especially for chemical reaction of inflammable, explosive and toxic medium, and shows its superiority. In chemical and medical devices, a reaction kettle is taken as a main key device, particularly a high-pressure reaction kettle and a medium-pressure reaction kettle, the reaction time under pressure is more than ten hours, and how to take out reaction liquid and divide the reaction result under the conditions of no kettle stopping and no pressure reduction and pressure relief at a certain stage is always a difficult problem to be solved in the field.

At present, in the industrial mass production, a lot of reactions need to sample the middle process thereof to monitor the degree of reaction progress, whether the reaction is carried out according to the expected requirement is known at each stage of the reaction, a general reaction kettle needs to work at high pressure and high temperature, under the condition, a sampling port of the reaction kettle is opened to sample after the reaction kettle is decompressed to normal pressure in a conventional sampling mode, however, reaction gas in the reaction kettle is usually mixed with dangerous substances, the potential safety hazard existing in the sampling mode is large, the danger is high, and because the pressure of the reaction kettle needs to be decompressed, external air or other substances can be brought into the reaction kettle during sampling, so that the normal progress of the reaction can be damaged or interrupted, the error of the reaction system is increased, and the uncertainty of the reaction is increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a pressure sampling device of a reaction kettle.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a reation kettle takes pressure sampling device, includes the cauldron body, the cauldron body one side is connected with the cylinder, and the inside sliding connection of cylinder has the piston, piston one end is connected with the regulation pole, and adjusts pole one end and be located cylinder one side and be connected with the hand wheel, the cylinder bottom surface is connected with the drainage tube, and the drainage tube lower extreme is connected with the sample chamber to the drainage tube extends to the sample intracavity portion, sample chamber bottom surface is connected with the sampling tube.

preferably, the adjusting rod is composed of a screw rod and a connecting ball, the screw rod is in threaded connection with a nut flange, and the nut flange is fixedly embedded on one end face of the cylinder barrel through a screw.

Preferably, the piston is composed of a rubber layer and a base layer, the rubber layer is wrapped on the surface of the base layer, a connecting cavity is processed on one side inside the base layer, and the connecting cavity is in sliding connection with the connecting ball.

Preferably, a drainage control valve is installed on the surface of the drainage tube, an air blowing tube is connected to the side surface of the drainage tube, and an air blowing control valve is installed on the surface of the air blowing tube.

Preferably, the surface of one side of the sampling cavity is connected with a pressure discharge pipe, the surface of the pressure discharge pipe is provided with a pressure discharge control valve, and the surface of the sampling pipe at the bottom of the sampling cavity is provided with a sampling control valve.

Preferably, the bottom surface of the kettle body is welded with supporting legs, and the side surfaces of the supporting legs are located below the cylinder barrel and welded with a sampling platform.

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

1. In the utility model, the reaction kettle sampling system with pressure can take out reaction liquid in the kettle at any time under the condition that the reaction kettle is under pressure, analyze and test sample liquid, effectively reduce the influence on reaction, the sampling process is safe and reliable, during sampling, the hand wheel is rotated anticlockwise to drive the adjusting rod to rotate, the screw rod on the adjusting rod rotates in the nut flange, thereby driving the piston to approach one end provided with the drainage tube in the cylinder until the piston moves through the upper port of the drainage tube, when the drainage control valve is opened, the reaction liquid in the kettle enters the sampling cavity under the state of pressure, because the sampling control valve, the drainage control valve and the air blowing control valve are in the closed state, only a certain amount of reaction liquid can flow in the sampling cavity, when the drainage control valve is closed, the hand wheel is rotated clockwise to drive the adjusting rod to rotate, the piston to approach one end of the cylinder kettle body in the cylinder, the pressure environment in the kettle body is guaranteed, then the exhaust control valve is opened, the pressure in the sampling cavity is discharged, the normal pressure state in the sampling cavity is enabled, the sampling control valve is opened, sample liquid in the sampling cavity flows into the sampling cup along the sampling pipe under the action of gravity, sampling can be completed, after sampling is completed, the air blowing control valve is opened, protective gas is introduced into the drainage pipe, the sampling cavity and the sampling pipe through the air blowing pipe, residual materials in the drainage pipe, the sampling cavity and the sampling pipe are flushed away through air flow, authenticity and accuracy of next sampling are guaranteed, the pressure in the reaction kettle can be enhanced before the piston is the side of the movable kettle body, the pressure which is reduced due to sampling in the kettle body is guaranteed, after cleaning is completed, the drainage control valve, the sampling control valve, the exhaust control valve and the air blowing control valve are all in the closed state, and safety of next sampling is guaranteed.

Drawings

Fig. 1 is a schematic structural view of a pressure sampling device of a reaction kettle provided by the utility model;

Fig. 2 is a schematic structural view of a cylinder and a sampling cavity of a sampling device under pressure in a reaction kettle according to the present invention;

Fig. 3 is a piston cross-sectional view of the pressurized sampling device of the reaction kettle.

Illustration of the drawings:

1. A kettle body; 2. a cylinder barrel; 3. a sampling stage; 4. a piston; 5. adjusting a rod; 6. a nut flange; 7. a screw; 8. a hand wheel; 9. a drainage control valve; 10. a drainage tube; 11. a sampling cavity; 12. a sampling control valve; 13. a sampling tube; 14. a pressure discharge control valve; 15. a pressure discharge pipe; 16. an air blowing pipe; 17. a blow control valve; 18. a connecting ball; 19. a connecting cavity; 20. a rubber layer; 21. a base layer.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, a sampling device under pressure for a reaction kettle comprises a kettle body 1, wherein a cylinder barrel 2 is connected to one side of the kettle body 1, a piston 4 is slidably connected to the inside of the cylinder barrel 2, one end of the piston 4 is connected with an adjusting rod 5, one end of the adjusting rod 5 is located at one side of the cylinder barrel 2 and is connected with a hand wheel 8, a drainage tube 10 is connected to the bottom surface of the cylinder barrel 2, a sampling cavity 11 is connected to the lower end of the drainage tube 10, the drainage tube 10 extends to the inside of the sampling cavity 11, and.

The adjusting rod 5 is composed of a screw rod 7 and a connecting ball 18, the screw rod 7 is in threaded connection with a nut flange 6, the nut flange 6 is embedded and fixed on one end face of the cylinder barrel 2 through a screw, the piston 4 is composed of a rubber layer 20 and a base layer 21, the rubber layer 20 is wrapped on the surface of the base layer 21, the rubber layer 20 can play a sealing role, a connecting cavity 19 is processed on one side inside the base layer 21, the connecting cavity 19 is in sliding connection with the connecting ball 18, a drainage control valve 9 is installed on the surface of the drainage tube 10, an air blowing tube 16 is connected on the side surface of the drainage tube 10, an air blowing control valve 17 is installed on the surface of the air blowing tube 16, a pressure exhaust tube 15 is connected on one side surface of the sampling cavity 11, a pressure exhaust control valve 14 is installed on the surface of the pressure exhaust tube 15, a sampling control valve 12 is installed on the surface of, the sampling platform 3 is used for placing a sampling cup, so that the detection personnel can conveniently vacate two hands to operate other things.

the working principle is as follows: before sampling, the drainage control valve 9, the sampling control valve 12, the exhaust control valve 14 and the blowing control valve 17 are in a closed state, during sampling, the hand wheel 8 is rotated anticlockwise to drive the adjusting rod 5 to rotate, the screw 7 on the adjusting rod 5 rotates inside the nut flange 6, so that the piston 4 is driven to approach to one end, provided with the drainage tube 10, in the cylinder 2 until the end moves through the upper port of the drainage tube 10, when the drainage control valve 9 is opened, the reaction liquid in the kettle body 1 enters the sampling cavity 11 under the pressure state, because the sampling control valve 12, the exhaust control valve 14 and the blowing control valve 17 are in the closed state, a certain amount of reaction liquid only can flow in the sampling cavity 11, when the drainage control valve 9 is closed, the hand wheel 8 is rotated clockwise to drive the adjusting rod 5 to rotate, the piston 4 is driven to approach to one end of the kettle body 1 in the cylinder 2, and the internal environment of the kettle body, then, the pressure discharge control valve 14 is opened to discharge the pressure inside the sampling chamber 11, so that the inside of the sampling chamber 11 is in a normal pressure state, when the sampling control valve 12 is opened, the sample liquid in the sampling cavity 11 flows into the sampling cup along the sampling tube 13 under the action of gravity, the sampling can be completed, after the sampling is completed, the air blowing control valve 17 is opened, the protective gas is introduced into the drainage tube 10, the sampling cavity 11 and the sampling tube 13 through the air blowing tube 16, the residual materials in the sampling tube are flushed away by the airflow, so that the authenticity and the accuracy of the next sampling are ensured, and before the piston 4 is one side of the movable kettle body 1, the protective gas can also enhance the air pressure in the reaction kettle, ensure the reduced pressure of the sample in the kettle body 1, after the cleaning is finished, the drainage control valve 9, the sampling control valve 12, the discharge control valve 14 and the blowing control valve 17 are all in a closed state, so that the safety of next sampling is ensured.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a reation kettle area presses sampling device, includes the cauldron body (1), its characterized in that, cauldron body (1) one side is connected with cylinder (2), and cylinder (2) inside sliding connection has piston (4), piston (4) one end is connected with adjusts pole (5), and adjusts pole (5) one end and is located cylinder (2) one side and is connected with hand wheel (8), cylinder (2) bottom surface is connected with drainage tube (10), and drainage tube (10) lower extreme is connected with sample chamber (11) to drainage tube (10) extend to sample chamber (11) inside, sample chamber (11) bottom surface is connected with sampling tube (13).

2. The pressurized sampling device of the reaction kettle according to claim 1, wherein the adjusting rod (5) is composed of a screw rod (7) and a connecting ball (18), the screw rod (7) is in threaded connection with a nut flange (6), and the nut flange (6) is embedded and fixed on one end face of the cylinder barrel (2) through a screw.

3. The pressure sampling device of the reaction kettle according to claim 1, wherein the piston (4) is composed of a rubber layer (20) and a base layer (21), the rubber layer (20) is wrapped on the surface of the base layer (21), a connecting cavity (19) is formed on one side inside the base layer (21), and the connecting cavity (19) is in sliding connection with the connecting ball (18).

4. The pressurized reactor sampling device according to claim 1, characterized in that a drainage control valve (9) is installed on the surface of the drainage tube (10), an air blowing tube (16) is connected to the side surface of the drainage tube (10), and an air blowing control valve (17) is installed on the surface of the air blowing tube (16).

5. the pressure sampling device of the reaction kettle according to claim 1, characterized in that a pressure discharge pipe (15) is connected to one side surface of the sampling cavity (11), a pressure discharge control valve (14) is installed on the surface of the pressure discharge pipe (15), and a sampling control valve (12) is installed on the surface of the sampling pipe (13) at the bottom of the sampling cavity (11).

6. The pressurized reaction kettle sampling device of claim 1, wherein the bottom of the kettle body (1) is welded with legs, and the side of the legs is located below the cylinder (2) and is welded with the sampling platform (3).