CN210108787U - Automatic closed sampling system for reaction kettle - Google Patents
Automatic closed sampling system for reaction kettle Download PDFInfo
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- CN210108787U CN210108787U CN201920869716.3U CN201920869716U CN210108787U CN 210108787 U CN210108787 U CN 210108787U CN 201920869716 U CN201920869716 U CN 201920869716U CN 210108787 U CN210108787 U CN 210108787U
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Abstract
The utility model belongs to the technical field of the sample, concretely relates to reation kettle is with automatic airtight sampling system. The sampling device comprises a sampling main pipe, wherein an upper flange is arranged at the upper end of the sampling main pipe, two interfaces are arranged on the side part of the upper flange, and the two interfaces are respectively connected with a first valve and a second valve; the lower end of the sampling main pipe is connected with a fourth valve through a lower flange, and the fourth valve is connected with an insertion pipe inserted into the reaction kettle through a bottom flange; the side part of the lower flange is also provided with an interface, the interface of the side part is connected with a third valve, the outlet end of the third valve is provided with a sampling bottle, and a ventilation pipe is communicated between the sampling bottle and the second valve; the interface is also seted up to the lateral part of end flange, and the fifth valve is connected to the interface, and the fifth valve passes through circulating line and connects the sample pump, and the sample pump is responsible for the intercommunication through taking out liquid pipeline and sample. The utility model discloses sample safety, quick, reliable, the process of taking a sample does not need the technology to park, and the medium carries out the circulation misce bene through the sampling pump in the reation kettle before the sample, guarantees the real-time accuracy of sample.
Description
Technical Field
The utility model belongs to the technical field of the chemical industry sample, concretely relates to reation kettle is with automatic airtight sampling system.
Background
When using analytical instruments to determine the composition and content of a material to be measured, the material must be removed from the process piping or vessel and transported to the instrument, a device known as a sampling system. The sampling system is required to rapidly take out samples, and the samples are real and representative so as to obtain more accurate detection results to guide production.
At present, no special sampling equipment is available for use in the aspect of sampling systems for reaction kettles in China, and no professional manufacturer produces the sampling devices in the domestic market. When most chemical enterprises need to take a sample the medium in the reation kettle, adopt manual simple and easy sampler basically or directly absorb required sample from the reation kettle with inhaling the material pipe, sampling device and mode are all comparatively crude and fall behind.
Some defects and potential safety hazards can exist in the reaction kettle sampling process in the existing sampling device and sampling mode: (1) when a sample is extracted, a kettle opening at the upper end of the reaction kettle needs to be opened for sampling, so that the operation is complex; (2) the simple sampling device has requirements on sampling depth, and if the volume of the reaction kettle is larger, the sampling depth is deeper, so that a sample is difficult to extract; (3) the reation kettle mouth is open state among the sample process, and medium and air contact in the cauldron, if be poisonous and harmful among the reation kettle, have corrosivity, volatile or can take place the medium that reacts with the air, then whole sample process can be more dangerous, can cause the injury to the operation workman, and medium and air contact take place the reaction in the reation kettle during the sample and lead to the sample medium inaccurate.
Therefore, there is a need for redesign and improvement of the existing simple sampling device and sampling method to solve the drawbacks of the prior art.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, an object of the utility model is to provide a need not to open the cauldron mouth, utilize the diaphragm pump extraction material to circulate, draw the sample fast simultaneously and have the automatic airtight sampling system for reation kettle of sight glass function concurrently.
In order to achieve the technical purpose, the utility model adopts the following technical scheme: the automatic closed sampling system for the reaction kettle comprises a sampling main pipe;
an upper flange is arranged at the upper end of the sampling main pipe, the top end of the upper flange is connected with a sealing plate, two joints are arranged on the side part of the upper flange, and a first valve and a second valve are respectively connected with the two joints on the side part of the upper flange;
the lower end of the sampling main pipe is connected with a fourth valve through a lower flange, and the fourth valve is connected with an insertion pipe inserted into the reaction kettle through a bottom flange; the side part of the lower flange is also provided with an interface, the interface at the side part of the lower flange is connected with a third valve, the outlet end of the third valve is provided with a sampling bottle, and a scavenging pipe is communicated between the sampling bottle and the second valve; the side part of the bottom flange is also provided with an interface, the interface of the side part of the bottom flange is connected with a fifth valve, the fifth valve is connected with a sampling pump through a circulating pipeline, and the sampling pump is communicated with the sampling main pipe through a liquid pumping pipeline.
According to a preferable technical scheme, two interfaces on the side part of the upper flange are respectively connected with an international standard flange through conversion fittings, and the first valve and the second valve are respectively and correspondingly connected through the international standard flange.
As a preferred technical scheme, the side interface of the lower flange is also connected with an international standard flange through a conversion fitting, and is connected with the third valve through the international standard flange.
As a preferred technical scheme, the side interface of the bottom flange is also connected with an international standard flange through a conversion fitting, and is connected with the fifth valve through the international standard flange.
Preferably, the sampling main tube is a transparent tube having a sight glass function.
As a preferred technical scheme, the material of sample person in charge is borosilicate glass, has sight glass function concurrently.
Preferably, the sampling pump is a diaphragm pump.
Due to the adoption of the technical scheme, the utility model discloses following beneficial effect has at least: during the sample, adopt the sample pump with in the reation kettle medium suction sample main pipe, in rethread pipeline circulation back inflow reation kettle, close sample pump and lower extreme valve, the medium is locked in the sample main pipe, opens the interface of side and both can accomplish the sample, and the sample is safe, quick, reliable, and the sampling process does not need the technology to park. The medium in the reation kettle carries out circulation misce bene through the sampling pump before the sample, does benefit to the real-time accuracy of guaranteeing the sample. The utility model relates to a quick sampling device of reation kettle can also observe form, the colour of the medium of getting in the time of the sample, and it is also very convenient to use and maintain.
Drawings
The drawings are only intended to illustrate and explain the present invention and do not limit the scope of the invention. Wherein:
fig. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic diagram of the structure of the embodiment of the present invention assembled to a reaction kettle;
FIG. 3 is a schematic diagram of the initial state of the embodiment of the present invention before sampling;
FIG. 4 is a schematic view of a sampling pump according to an embodiment of the present invention;
FIG. 5 is a schematic diagram illustrating the state of the embodiment of the present invention when the sampling pump is stopped and the sampling is performed;
fig. 6 is a schematic diagram of the state of the embodiment of the present invention when the sampling is finished and the cleaning is performed.
Detailed Description
The invention is further explained below with reference to the drawings and examples. In the following detailed description, certain exemplary embodiments of the present invention have been described by way of illustration only. Needless to say, a person skilled in the art will recognize that the described embodiments can be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and not intended to limit the scope of the claims.
As shown in fig. 1 and 2, the automatic closed sampling system for the reaction kettle comprises a sampling main pipe 6, wherein the sampling main pipe 6 is made of high borosilicate glass, has a sight glass function, and can clearly observe the physical state of an extracted medium; an upper flange 7 is arranged at the upper end of the sampling main pipe 6, the top end of the upper flange 7 is connected with a sealing plate 8, two interfaces are arranged on the side part of the upper flange 7, the two interfaces on the side part of the upper flange 7 are respectively connected with an international standard flange 10 through conversion fittings 9, and the international standard flange 10 is respectively and correspondingly connected with a first valve 1 and a second valve 2;
the lower end of the sampling main pipe 6 is connected with a fourth valve 4 through a lower flange 11, the fourth valve 4 is connected with an insert pipe 14 inserted into a reaction kettle 13 through a bottom flange 12, and the insert pipe 14 is an outer lining pipe; the side part of the lower flange 11 is also provided with an interface, the interface of the side part of the lower flange 11 is also connected with an international standard flange 10 through a conversion fitting 9, the interface is connected with a third valve 3 through the international standard flange 10, the outlet end of the third valve 3 is provided with a sampling bottle 15, and a ventilation pipe 16 is communicated between the sampling bottle 15 and the second valve 2; the side part of the bottom flange 12 is also provided with an interface, the interface at the side part of the bottom flange 12 is also connected with an international standard flange 10 through a conversion fitting 9, the international standard flange 10 is connected with a fifth valve 5, the fifth valve 5 is connected with a sampling pump 18 (preferably adopting a diaphragm pump) through a circulating pipeline 17, and the sampling pump 18 is communicated with the sampling main pipe 6 through a liquid pumping pipeline 19.
Referring to fig. 3 to 6, the sampling operation steps are as follows:
step one, referring to fig. 3, the initial state: all valves are closed;
step two, referring to fig. 4, liquid pumping circulation mixing: (1) the first valve 1 is closed, the second valve 2 is closed, the third valve 3 is closed, the fourth valve 4 is opened and the fifth valve 5 is opened; (2) the sampling pump 18 is turned on, and the liquid is filled in the system to carry out circular mixing;
step three, referring to fig. 5, sampling: (1) the fifth valve 5 is closed-the fourth valve 4 is closed-the sampling pump 18 is stopped; (2) opening the second valve 2, opening the third valve 3 for sampling, closing the third valve 3 after sampling is finished, and removing the sampling bottle 15;
step four, referring to fig. 6, the cleaning system: (1) filling into an empty sampling bottle 15; (2) the fourth valve 4 is opened, the fifth valve 5 is opened, the third valve 3 is opened, and the first valve 1 is opened; (3) the residual liquid in the sampling system was purged with nitrogen.
The utility model has the advantages of as follows: (1) the main body structure of the utility model is firm, the parts are finished by finish machining with stainless steel material, and the system interface adopts the national standard flange connection size; (2) the main body and the accessories are convenient to mount and dismount, and the system is easy to upgrade and expand other functions; (3) the sampling branch connection is positioned and installed by adopting two holes, and the flange is connected with DN15 or DN25PN 16; (4) the sampling main pipe adopts high borosilicate glass, has the function of a sight glass, and can clearly observe the physical state of the extracted medium; (5) the sampling is safe, rapid and reliable, and the process stop is not needed in the sampling process; (6) the medium in the reation kettle circulates through the diaphragm pump and mixes evenly before the sample, guarantees the real-time accuracy of sample.
The above description is only exemplary of the present invention, and is not intended to limit the scope of the present invention. Any person skilled in the art should also realize that such equivalent changes and modifications can be made without departing from the spirit and principles of the present invention.
Claims (7)
1. The automatic closed sampling system for the reaction kettle comprises a sampling main pipe; the method is characterized in that:
an upper flange is arranged at the upper end of the sampling main pipe, the top end of the upper flange is connected with a sealing plate, two joints are arranged on the side part of the upper flange, and a first valve and a second valve are respectively connected with the two joints on the side part of the upper flange;
the lower end of the sampling main pipe is connected with a fourth valve through a lower flange, and the fourth valve is connected with an insertion pipe inserted into the reaction kettle through a bottom flange; the side part of the lower flange is also provided with an interface, the interface at the side part of the lower flange is connected with a third valve, the outlet end of the third valve is provided with a sampling bottle, and a scavenging pipe is communicated between the sampling bottle and the second valve; the side part of the bottom flange is also provided with an interface, the interface of the side part of the bottom flange is connected with a fifth valve, the fifth valve is connected with a sampling pump through a circulating pipeline, and the sampling pump is communicated with the sampling main pipe through a liquid pumping pipeline.
2. The automatic closed sampling system for the reaction kettle according to claim 1, wherein: and two interfaces on the side part of the upper flange are respectively connected with an international standard flange through conversion fittings, and are respectively and correspondingly connected with the first valve and the second valve through the international standard flange.
3. The automatic closed sampling system for the reaction kettle according to claim 1, wherein the side interface of the lower flange is also connected with an international standard flange through a conversion fitting, and is connected with the third valve through the international standard flange.
4. The automatic closed sampling system for the reaction kettle according to claim 1, wherein the side interface of the bottom flange is also connected with an international standard flange through a conversion fitting, and the fifth valve is connected through the international standard flange.
5. The automatic closed sampling system for the reaction kettle according to any one of claims 1 to 4, wherein the sampling main pipe is a transparent pipe with a sight glass function.
6. The automatic closed sampling system for the reaction kettle according to claim 5, wherein the sampling main pipe is made of high borosilicate glass.
7. The automatic closed sampling system for reaction kettle according to any one of claims 1 to 4, wherein said sampling pump is a diaphragm pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920869716.3U CN210108787U (en) | 2019-06-11 | 2019-06-11 | Automatic closed sampling system for reaction kettle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920869716.3U CN210108787U (en) | 2019-06-11 | 2019-06-11 | Automatic closed sampling system for reaction kettle |
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| Publication Number | Publication Date |
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| CN210108787U true CN210108787U (en) | 2020-02-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920869716.3U Active CN210108787U (en) | 2019-06-11 | 2019-06-11 | Automatic closed sampling system for reaction kettle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113484096A (en) * | 2021-08-10 | 2021-10-08 | 苏州特瑞勃自动化科技有限公司 | Full-automatic closed sampling system of reation kettle |
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2019
- 2019-06-11 CN CN201920869716.3U patent/CN210108787U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113484096A (en) * | 2021-08-10 | 2021-10-08 | 苏州特瑞勃自动化科技有限公司 | Full-automatic closed sampling system of reation kettle |
| CN113484096B (en) * | 2021-08-10 | 2024-03-29 | 斯图瑞科技(苏州)有限公司 | Full-automatic closed sampling system for reaction kettle |
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