CN212646202U - A sampling device for reation kettle - Google Patents
A sampling device for reation kettle Download PDFInfo
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- CN212646202U CN212646202U CN202021820985.XU CN202021820985U CN212646202U CN 212646202 U CN212646202 U CN 212646202U CN 202021820985 U CN202021820985 U CN 202021820985U CN 212646202 U CN212646202 U CN 212646202U
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Abstract
The utility model relates to a coating production technical field discloses a sampling device for reation kettle, including the sample chamber, communicate with each other and connect in the first sampling tube of the bottom in sample chamber, communicate with each other and connect in the first pipeline of the upside in sample chamber and communicate with each other and connect in the second sampling tube of the downside in sample chamber, the one end of keeping away from the sample chamber on the first pipeline communicates with each other and is connected with the pipeline two that is used for extracting the air in the sample chamber and is used for making the sample chamber resume the pipeline three of ordinary pressure, the lower extreme of first sampling tube communicates with each other with a reation kettle and is connected and extend to reation kettle's bottom, be provided with first control valve on the first sampling tube, first control valve is located between reation kettle and the sample chamber, is provided with the second control valve on the pipeline two, is provided with the third control valve on the pipeline three, be provided with the fourth control valve on the second sampling tube. The utility model discloses structural design is ingenious, only needs to take a sample through the operation control valve, makes the simple operation of taking a sample convenient, and the actual production of being convenient for is used.
Description
Technical Field
The utility model relates to a coating production technical field, in particular to a sampling device for reation kettle.
Background
The alkyd resin is one of the main components of the alkyd resin coating, the production process of the alkyd resin needs to be carried out in a reaction kettle, and the reaction liquid needs to be sampled and detected in the production process so as to confirm the reaction condition.
At present, a Chinese patent with a publication number of CN210347215U on the market discloses an alkyd resin reaction kettle vacuum sampler, which comprises a counterweight base, an electric telescopic rod, a sampling device and a sampling head, wherein the bottom end of the counterweight base is provided with a plurality of foot brake type rollers, the top end of the counterweight base is provided with the electric telescopic rod, one side of the electric telescopic rod is provided with a micro air pump, the top end of the micro air pump is provided with an air pump power switch, one side of the air pump power switch is provided with an air pipe, the air pipe is provided with an electromagnetic valve power switch, the counterweight base is provided with a power line and a telescopic rod power switch, the top end of the electric telescopic rod is provided with a fixing frame, the bottom end of the fixing frame is welded with a connecting rod, the bottom end of the connecting rod is connected with the sampling device, the sampling device is provided, the stainless steel pipe's both sides all are equipped with a plurality of sampling head, the one end of sampling head is equipped with the sampling head and connects the steel pipe, the welding of the one end that the steel pipe was connected to the sampling head has inhales the material pipe, the one end of inhaling the material pipe is fixed with the solenoid valve, the bottom of inhaling the material pipe is equipped with the sample bottle, the inside of inhaling the material pipe is equipped with the piston, the bottom of stainless steel pipe is equipped with the screw.
However, in the working process of the above equipment, the cover of the reaction kettle needs to be opened, the foot brake type roller of the counterweight base is utilized to move the counterweight base to the side of the reaction kettle, the electric telescopic rod raises the sampling device to the top of the reaction kettle, then the counterweight base is moved, the electric telescopic rod slowly descends, the sampling device slowly descends to a material, the material is inserted into the material through a propeller, the sampling head is subjected to gas transmission through a gas transmission pipe, a piston in the sampling head is pushed to the side of the electromagnetic valve, then a micro air pump is utilized to pump gas through the gas transmission pipe, so that the material near the sampling head is pumped into the sampling head, the material in the sampling head is squeezed into a sampling bottle, and sampling is completed; the sampling operation is complicated, and the practical production and application are not convenient.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a sampling device for reation kettle aims at solving sample complex operation, the problem that the actual production was used not convenient for.
The above technical purpose of the present invention can be achieved by the following technical solutions:
the utility model provides a sampling device for reation kettle, including sample chamber, communicate with each other connect in the first sampling tube of the bottom in sample chamber, communicate with each other connect in the pipeline of the upside in sample chamber is one and communicate with each other connect in the second sampling tube of the downside in sample chamber, keep away from on the pipeline one the one end in sample chamber communicates with each other and is connected with the pipeline two that is used for extracting the air and is used for making the sample chamber resumes the pipeline three of ordinary pressure, the lower extreme of first sampling tube communicates with each other with a reation kettle and is connected and extend to reation kettle's bottom, be provided with first control valve on the first sampling tube, first control valve is located reation kettle with between the sample chamber, be provided with the second control valve on the pipeline two, be provided with the third control valve on the pipeline three, be provided with the fourth control valve on the second sampling tube.
According to the technical scheme, when the reaction liquid in the reaction kettle needs to be taken for detection, the first control valve and the second control valve are opened in sequence, air in the sampling cavity is extracted through the pipeline II, negative pressure exists in the sampling cavity, the reaction liquid enters the sampling cavity along the first sampling pipe under the action of generated negative pressure, the second control valve and the first control valve are closed after the reaction liquid enters the sampling cavity, the sampling cavity is still in a negative pressure state at the moment, the third control valve is opened to enable the sampling cavity to recover normal pressure, then the third control valve is closed, the fourth control valve is opened to enable the reaction liquid to flow out of the second sampling pipe, and sampling detection is carried out; extract the reaction liquid in the reation kettle through two evacuation in the pipeline, buffer and save the reaction liquid through the sample chamber, emit the reaction liquid through the second sampling tube, structural design is ingenious, only needs to take a sample through the operation control valve, makes sample easy operation convenient, and the actual production of being convenient for is used.
The utility model discloses a further set up to: and a partition plate for preventing a reaction liquid from entering the first pipeline is arranged on the inner wall of the sampling cavity, and the partition plate is positioned on the upper side of the sampling cavity.
Through above-mentioned technical scheme, opening first control valve and second control valve, the air of pipeline two extraction sample intracavity makes the sample chamber be the negative pressure state, and reaction liquid in the reation kettle gets into the sample intracavity under the negative pressure effort, because the negative pressure effort is great, can take place the splash when reaction liquid gets into the sample chamber along first sampling tube, blocks reaction liquid through the baffle, prevents that reaction liquid from getting into pipeline one, influences the follow-up operation of bleeding or gassing through pipeline one.
The utility model discloses a further set up to: and one end of the first pipeline, which is far away from the sampling cavity, is communicated with a fourth pipeline for introducing compressed air, and a fifth control valve is arranged on the fourth pipeline.
Through above-mentioned technical scheme, after the reaction liquid that emits needs at the second sampling tube carries out the sample test, still have unnecessary reaction liquid to remain in the sample chamber, open first control valve and fifth control valve this moment, let in compressed air to the sample intracavity through pipeline five, make the pressure in the sample intracavity be greater than the ordinary pressure, make the reaction liquid in the sample intracavity flow back to reation kettle along first sampling tube in to avoid the waste of reaction liquid, improve the productivity.
The utility model discloses a further set up to: the end, far away from the sample chamber, of the second sampling tube is provided with a sampling cup with an open top, the bottom end of the sampling cup is provided with a return pipe which is communicated and connected, the return pipe is provided with a sixth control valve, the end, far away from the sampling cup, of the return pipe is communicated and connected with the reaction kettle, and the horizontal plane where the bottom end of the sampling cup is located is higher than the horizontal plane where the return pipe and a connecting port of the sample chamber are located.
According to the technical scheme, the fourth control valve is opened to enable the reaction liquid to flow into the sampling cup from the sampling cavity, then the fourth control valve is closed, the reaction liquid with the required amount is taken out from the sampling cup to be detected, then the sixth control valve is opened to enable the redundant reaction liquid in the sampling cup to flow back to the reaction kettle along the backflow pipe, and finally the sixth control valve is closed; and redundant reaction liquid flows back through the return pipe, so that the waste of the reaction liquid is avoided, and the yield is improved.
The utility model discloses a further set up to: the sampling cup is funnel-shaped.
Through above-mentioned technical scheme, opening the sixth control valve, unnecessary reaction solution flows back to reation kettle along the sampling cup that leaks hopper-shaped in, will sample the cup and set up to leaking hopper-shaped, can ensure that unnecessary reaction solution all can flow back to reation kettle in the sampling cup through the back flow in, also can make the backward flow of unnecessary reaction solution quicker simultaneously.
The utility model discloses a further set up to: the top of sampling cup is close to one side of second sampling tube is provided with the protection casing, the second sampling tube is kept away from the one end in sample chamber is located in the protection casing.
Through above-mentioned technical scheme, opening the fourth control valve, when the reaction liquid in the sample chamber flows into the sample cup along the second sampling tube, because the gravitational potential energy that reaction liquid itself has, when colliding with other reaction liquid in sample cup or the sample cup, the reaction liquid easily takes place to splash, through setting up the protection casing, when making the reaction liquid take place to splash, the protection casing carries out the separation to threat operating personnel's personal safety is avoided.
The utility model discloses a further set up to: the sampling cavity is of a cylindrical structure, and the straight line where the central axis of the sampling cavity is located is along the horizontal direction.
Through the technical scheme, set up the sample chamber into preceding and the circular shape cylinder at the back, make the bottom surface in sample chamber be circular-arc, opening first control valve and fifth control valve, when making unnecessary reaction liquid in the sample chamber flow back to reation kettle, reaction liquid flows back to first sampling tube along sample chamber circular arc's curved surface, compare in conventional rectangle, reaction liquid's backward flow speed is faster, and can not have unnecessary reaction liquid to remain in contained angle department, thereby make the backward flow of reaction liquid more thorough.
The utility model discloses a further set up to: the sampling cavity is provided with an observation port which is made of transparent materials and used for observing the interior of the sampling cavity.
Through above-mentioned technical scheme, when carrying out the extraction of reaction liquid or the backward flow of unnecessary reaction liquid, can observe the extraction or the backward flow condition of sample intracavity reaction liquid through the viewing aperture to be convenient for in time close or open the control valve, avoid reaction liquid to extract too much or unnecessary reaction liquid to flow back to reation kettle incompletely.
The utility model discloses a further set up to: sampling holes are evenly formed in the bottom of the first sampling tube along the vertical direction, and the sampling holes are located in the reaction kettle.
Through above-mentioned technical scheme, opening first control valve and second control valve, when carrying out the extraction of reation kettle internal reaction liquid, the reaction liquid that is located the different degree of depth in the reation kettle is extracted to the sample intracavity through the thief hole to the reaction liquid that is located the different degree of depth in making reation kettle has all carried out the sample, makes the reaction liquid of extraction more representative, avoids carrying out the testing result of taking a sample from single position and the actual reaction condition between have the deviation.
Compared with the prior art, the beneficial effects of the utility model reside in that:
1. the extraction and sampling of the reaction liquid and the operations such as the backflow of the redundant reaction liquid are completed through the first control valve, the second control valve, the third control valve, the fourth control valve, the fifth control valve and the sixth control valve, so that the operation is simple and convenient, and the practical production and application are convenient.
2. Through pipeline one, pipeline two, pipeline three, pipeline four and sample chamber, carry out operations such as extraction, the backward flow of unnecessary reaction solution of reaction solution, the principle is simple, and structural design is ingenious, and the operation is also simple and convenient.
3. Through sampling cup and back flow, further with unnecessary reaction solution backward flow to the reaction solution when taking a sample, reached the ration sample of reaction solution, can not cause the waste of reaction solution.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an embodiment of a sampling device for a reaction kettle according to the present invention;
FIG. 2 is an enlarged schematic view of A of FIG. 1;
fig. 3 is a schematic cross-sectional view of an embodiment of a sampling device for a reaction kettle according to the present invention;
fig. 4 is an enlarged schematic view of B in fig. 3.
In the figure, 1, a sampling cavity; 2. a first sampling tube; 3. a first pipeline; 4. a second sampling tube; 5. a second pipeline; 6. a third pipeline; 7. a reaction kettle; 8. a first control valve; 9. a second control valve; 10. a third control valve; 11. a fourth control valve; 12. a partition plate; 13. a fourth pipeline; 14. a fifth control valve; 15. a sampling cup; 16. a return pipe; 17. a sixth control valve; 18. a protective cover; 19. an observation window; 20. and (4) sampling holes.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings and specific embodiments. It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
The utility model provides a sampling device for reation kettle, including the sample chamber, the first sampling tube of looks intercommunication connection in the bottom in sample chamber, the pipeline one of the upside in sample chamber and the second sampling tube of the downside in sample chamber of looks intercommunication connection are connected, the one end intercommunication that keeps away from the sample chamber on the pipeline one is connected with the pipeline two that is used for extracting the air and is used for making the sample chamber to resume the pipeline three of ordinary pressure, the lower extreme of first sampling tube communicates with each other with a reation kettle and is connected and extend to reation kettle's bottom, be provided with first control valve on the first sampling tube, first control valve is located between reation kettle and the sample chamber, be provided with the second control valve on the pipeline two, be provided with the third control valve on the pipeline three, be provided with the fourth control valve on the second sampling tube.
When the reaction liquid in the reaction kettle needs to be taken for detection, the first control valve and the second control valve are opened in sequence, the pipeline II extracts air in the sampling cavity, negative pressure exists in the sampling cavity, the reaction liquid enters the sampling cavity along the first sampling pipe under the action of generated negative pressure, the second control valve and the first control valve are closed after the reaction liquid enters the sampling cavity, the third control valve is opened to enable the sampling cavity to be in a negative pressure state, the normal pressure is restored in the sampling cavity, then the third control valve is closed, the fourth control valve is opened to enable the reaction liquid to flow out of the second sampling pipe, and sampling detection is conducted; extract the reaction liquid in the reation kettle through two evacuation in the pipeline, buffer and save the reaction liquid through the sample chamber, emit the reaction liquid through the second sampling tube, structural design is ingenious, only needs to take a sample through the operation control valve, makes sample easy operation convenient, and the actual production of being convenient for is used.
A partition plate for preventing a reaction liquid from entering the first pipeline is arranged on the inner wall of the sampling cavity, and the partition plate is positioned on the upper side of the sampling cavity; opening first control valve and second control valve, the air of pipeline two extraction sample intracavity makes the sample chamber be negative pressure state, and reaction liquid in the reation kettle gets into the sample intracavity under the negative pressure effort, because the negative pressure effort is great, can take place the splash when reaction liquid gets into the sample chamber along first sampling tube, blocks reaction liquid through the baffle, prevents that reaction liquid from getting into pipeline one, influences the follow-up operation of bleeding or gassing through pipeline one.
One end of the first pipeline, which is far away from the sampling cavity, is communicated with a fourth pipeline for introducing compressed air, and a fifth control valve is arranged on the fourth pipeline; after the second sampling tube discharges the required reaction liquid for sampling detection, redundant reaction liquid is still remained in the sampling cavity, the first control valve and the fifth control valve are opened at the moment, compressed air is introduced into the sampling cavity through the pipeline five, the pressure in the sampling cavity is larger than the normal pressure, and the reaction liquid in the sampling cavity flows back to the reaction kettle along the first sampling tube, so that the waste of the reaction liquid is avoided, and the yield is improved.
A sampling cup with an open top is arranged at one end of the second sampling tube far away from the sampling cavity, a backflow pipe communicated and connected with the bottom end of the sampling cup is arranged at the bottom end of the sampling cup, a sixth control valve is arranged on the backflow pipe, one end of the backflow pipe far away from the sampling cup is communicated and connected with the reaction kettle, and the horizontal plane where the bottom end of the sampling cup is located is higher than the horizontal plane where a connecting port of the backflow pipe and the sampling cavity is located; opening a fourth control valve to enable the reaction liquid to flow into the sampling cup from the sampling cavity, then closing the fourth control valve, taking out the reaction liquid with the required amount from the sampling cup for detection, then opening a sixth control valve to enable the redundant reaction liquid in the sampling cup to flow back to the reaction kettle along the backflow pipe, and finally closing the sixth control valve; and redundant reaction liquid flows back through the return pipe, so that the waste of the reaction liquid is avoided, and the yield is improved.
The sampling cup is in a funnel shape; opening the sixth control valve, unnecessary reaction solution flows back to reation kettle along the sampling cup that leaks hopper-shaped in, will sample the cup and set up to leaking hopper-shaped, can ensure in the sampling cup unnecessary reaction solution all can flow back to reation kettle through the back flow in, also can make the backward flow of unnecessary reaction solution rapider simultaneously.
A protective cover is arranged on one side, close to the second sampling tube, of the top end of the sampling cup, and one end, far away from the sampling cavity, of the second sampling tube is located in the protective cover; when opening the fourth control valve, reaction liquid in the sample chamber flows into the sample cup along the second sampling tube, because the gravitational potential energy that reaction liquid itself has, when colliding with other reaction liquid in sample cup or the sample cup, reaction liquid easily takes place to splash, through setting up the protection casing, when making reaction liquid take place to splash, the protection casing carries out the separation to threat operating personnel's personal safety is avoided.
The sampling cavity is of a cylindrical structure, and the straight line of the central axis of the sampling cavity is along the horizontal direction; set up the sample chamber into preceding and the circular shape cylinder at the back, make the bottom surface in sample chamber be circular-arc, opening first control valve and fifth control valve, when making unnecessary reaction liquid in the sample chamber flow back to reation kettle, reaction liquid flows back to first sampling tube along sample chamber circular arc's curved surface, compare in conventional rectangle, the speed of flow back of reaction liquid is faster, and can not have unnecessary reaction liquid to remain in contained angle department, thereby make the backward flow of reaction liquid more thorough.
The sampling cavity is provided with an observation port which is made of transparent material and is used for observing the interior of the sampling cavity; when the extraction of reaction liquid or the backward flow of unnecessary reaction liquid is carried out, the extraction or the backward flow condition of reaction liquid in the sampling cavity can be observed through the viewing aperture, thereby being convenient for in time close or open the control valve, and avoiding the reaction liquid to extract too much or the unnecessary reaction liquid from completely returning to the reaction kettle.
Sampling holes are uniformly formed in the bottom of the first sampling tube along the vertical direction and are positioned in the reaction kettle; open first control valve and second control valve, when carrying out the extraction of reation kettle internal reaction liquid, the reaction liquid that is located the different degree of depth in the reation kettle is extracted to the sample intracavity through the thief hole to the reaction liquid that is located the different degree of depth in making reation kettle has all carried out the sample, makes the reaction liquid of extraction more representative, avoids carrying out the deviation between the testing result of taking a sample and the actual reaction condition from single position.
It should be noted that, in the present specification, the embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments may be referred to each other.
The above description is only for the preferred embodiment of the present invention and is not intended to limit the scope of the present invention, and any modification and modification made by those skilled in the art according to the above disclosure are all within the scope of the claims.
Claims (9)
1. The utility model provides a sampling device for reation kettle which characterized in that: comprises a sampling cavity (1), a first sampling tube (2) communicated with the bottom end of the sampling cavity (1), a first pipeline (3) communicated with the upper side of the sampling cavity (1) and a second sampling tube (4) communicated with the lower side of the sampling cavity (1), wherein one end of the first pipeline (3) far away from the sampling cavity (1) is communicated with a second pipeline (5) used for extracting air in the sampling cavity (1) and a third pipeline (6) used for enabling the sampling cavity (1) to recover normal pressure, the lower end of the first sampling tube (2) is communicated with a reaction kettle (7) and extends to the bottom of the reaction kettle (7), a first control valve (8) is arranged on the first sampling tube (2), the first control valve (8) is positioned between the reaction kettle (7) and the sampling cavity (1), and a second control valve (9) is arranged on the second pipeline (5), and a third control valve (10) is arranged on the pipeline III (6), and a fourth control valve (11) is arranged on the second sampling pipe (4).
2. A sampling device for a reaction vessel according to claim 1, wherein: the upper side of the sampling cavity (1) is provided with a partition plate (12) for preventing reaction liquid from entering the pipeline I (3), and two sides of the partition plate (12) are attached to the inner wall of the sampling cavity (1).
3. A sampling device for a reaction vessel according to claim 1, wherein: one end, far away from the sampling cavity (1), of the first pipeline (3) is communicated with a fourth pipeline (13) used for introducing compressed air into the sampling cavity (1), and a fifth control valve (14) is arranged on the fourth pipeline (13).
4. A sampling device for a reaction vessel according to claim 1, wherein: the sampling device is characterized in that a sampling cup (15) with an open top is arranged below one end, far away from the sampling cavity (1), of the second sampling tube (4), a return pipe (16) communicated and connected with the bottom end of the sampling cup (15) is arranged at the bottom end of the return pipe (16), a sixth control valve (17) is arranged on the return pipe (16), one end, far away from the sampling cup (15), of the return pipe (16) is communicated and connected with the reaction kettle (7), and the horizontal plane where the bottom end of the sampling cup (15) is located is higher than the horizontal plane where a connecting port of the return pipe (16) and the sampling cavity (1) is located.
5. A sampling device for a reaction kettle according to claim 4, wherein: the sampling cup (15) is funnel-shaped.
6. A sampling device for a reaction kettle according to claim 5, wherein: the top of sampling cup (15) is close to one side of second sampling tube (4) is provided with protection casing (18), second sampling tube (4) are kept away from the one end in sample chamber (1) is located in protection casing (18).
7. A sampling device for a reaction vessel according to claim 1, wherein: the sampling cavity (1) is cylindrical, and the upper surface and the lower surface of the sampling cavity (1) are both arc-shaped.
8. A sampling device for a reaction kettle according to claim 7, wherein: the sampling chamber (1) comprises an observation window (19) made of a transparent material for observing the interior of the sampling chamber (1).
9. A sampling device for a reaction vessel according to claim 1, wherein: a plurality of sampling holes (20) are uniformly formed in the bottom of the first sampling tube (2) along the vertical direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021820985.XU CN212646202U (en) | 2020-08-27 | 2020-08-27 | A sampling device for reation kettle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021820985.XU CN212646202U (en) | 2020-08-27 | 2020-08-27 | A sampling device for reation kettle |
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| Publication Number | Publication Date |
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| CN212646202U true CN212646202U (en) | 2021-03-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021820985.XU Active CN212646202U (en) | 2020-08-27 | 2020-08-27 | A sampling device for reation kettle |
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| CN (1) | CN212646202U (en) |
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