CN211954830U - Automatic high-matching type closed sampling system - Google Patents
Automatic high-matching type closed sampling system Download PDFInfo
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- CN211954830U CN211954830U CN202020520580.8U CN202020520580U CN211954830U CN 211954830 U CN211954830 U CN 211954830U CN 202020520580 U CN202020520580 U CN 202020520580U CN 211954830 U CN211954830 U CN 211954830U
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Abstract
The utility model belongs to the technical field of the sample, concretely relates to automatic airtight sampling system of high type of joining in marriage. The sampling device comprises a sampling main pipe, wherein the upper end of the sampling main pipe is provided with an upper flange, the side part of the upper flange is provided with two interfaces, one interface is connected with a first valve, and the other interface is connected with an inlet of a sampling pump through a liquid pumping pipeline; the lower end of the sampling main pipe is connected with a second valve, and the second valve is connected with an insertion pipe inserted into the reaction kettle through a bottom flange; one interface at the side part of the bottom flange is connected with a third valve, and the third valve is connected with the sampling valve; the outlet end of a main flow passage of the sampling valve is connected with the outlet of a sampling pump through a circulating pipeline, and the outlet end of a sampling branch of the sampling valve is provided with a sampling bottle; the other interface at the side part of the bottom flange is connected with a fifth valve, and a ventilation pipe is communicated between the fifth valve and the sampling bottle. The utility model discloses utilize diaphragm pump and the special sample valve extraction material of pipeline to circulate the sample, not only guarantee the real-time accuracy of sample, the operating safety is good moreover, the control sample volume of being convenient for.
Description
Technical Field
The utility model belongs to the technical field of the chemical industry sample, concretely relates to automatic airtight sampling system of high type of joining in marriage.
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.
Chinese patent CN201920869716.3 discloses an automatic airtight sampling system for reation kettle, can need not to open the cauldron mouth, utilize the diaphragm pump extraction material to draw the sample from reation kettle, nevertheless need stop the pump operation during the sample, have the loaded down with trivial details, the not easily controlled, the not high problem of operation security degree of sampling step, sample volume.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, an object of the utility model is to provide an utilize diaphragm pump and the special sample valve of pipeline extraction material to circulate, the operating safety is good, be convenient for control the airtight sampling system of automatic high joining in marriage of sample volume.
In order to achieve the technical purpose, the utility model adopts the following technical scheme: the automatic high-distribution type closed sampling system comprises a sampling main pipe, wherein an upper flange is arranged at the upper end of the sampling main pipe, and the top end of the upper flange is connected with a sealing plate;
the side part of the upper flange is provided with two joints, one joint is connected with the first valve, and the other joint is connected with the inlet of the sampling pump through a liquid pumping pipeline; the lower end of the sampling main pipe is connected with a second valve through a lower flange, and the second valve is connected with an insertion pipe inserted into the reaction kettle through a bottom flange;
the side part of the bottom flange is also provided with two interfaces, one interface at the side part of the bottom flange is connected with a third valve, and the third valve is connected with a fourth valve; the fourth valve is a sampling valve with a main flow passage and a sampling branch passage, the main flow passage of the sampling valve is in a normally open state, and an opening and closing control mechanism is arranged between the main flow passage and the sampling branch passage and controls the opening or the cutting off of the sampling branch passage; the outlet end of a main flow passage of the sampling valve is connected with the outlet of a sampling pump through a circulating pipeline, and the outlet end of a sampling branch of the sampling valve is provided with a sampling bottle; and the other interface at the side part of the bottom flange is connected with a fifth valve, and a ventilation pipe is communicated between the fifth valve and the sampling bottle.
According to the preferable technical scheme, the opening and closing control mechanism comprises a valve core in sealing fit with the inlet of the sampling branch, the valve core is connected with a valve rod capable of reciprocating in the valve body, a return spring is sleeved on the valve rod, one end of the valve rod extends out of the valve body and is connected with an operating handle, and a safety padlock is arranged between the operating handle and the valve body.
As a preferred technical scheme, 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 liquid pumping pipeline through the international standard flange.
As a preferred technical scheme, two interfaces on the side part of the bottom flange are also respectively connected with an international standard flange through conversion fittings, and are respectively and correspondingly connected with the third valve and 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 sampling, a sampling pump is adopted to pump media in the reaction kettle into a sampling main pipe, then the media are circularly and uniformly mixed through a pipeline, the real-time accuracy of sampling is guaranteed, an original diaphragm valve is replaced by a sampling valve with a main flow passage and a sampling branch passage, an opening and closing control mechanism is arranged between the main flow passage and the sampling branch passage, and the sampling branch passage is controlled to be opened or cut off through the opening and closing control mechanism, so that the sampling operation is completed, the safety of manual operation is improved, and the sampling amount can be quickly controlled.
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 of the embodiment of the present invention in a sampling state;
FIG. 6 is a schematic view of the embodiment of the present invention in a state after the sampling and cleaning;
fig. 7 is a partial enlarged view at I in fig. 6.
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 high-matching type closed sampling system 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, and the top end of the upper flange 7 is connected with a sealing plate 8;
the side part of the upper flange 7 is provided with two interfaces, one interface is connected with an international standard flange 10 through a conversion fitting 9 and is connected with the first valve 1 through the international standard flange 10, the other interface is connected with the international standard flange 10 through the conversion fitting 9 and is connected with a liquid pumping pipeline 18 through the international standard flange 10, and the liquid pumping pipeline 18 is connected with an inlet of a sampling pump 17 (preferably a diaphragm pump); the lower end of the sampling main pipe 6 is connected with a second valve 2 through a lower flange 11, and the second valve 2 is connected with an insertion pipe 20 inserted into a reaction kettle 19 through a bottom flange 12;
the side part of the bottom flange 12 is also provided with two interfaces, one interface at the side part of the bottom flange 12 is connected with an international standard flange 10 through a conversion fitting 9, and is connected with a third valve 3 through the international standard flange 10, and the third valve 3 is connected with a fourth valve 4; the fourth valve 4 is a sampling valve having a main flow passage 41 and a sampling branch passage 42, the main flow passage 41 of the sampling valve is in a normally open state, and an opening and closing control mechanism is arranged between the main flow passage 41 and the sampling branch passage 42 and controls to open or close the sampling branch passage 42;
in this embodiment, the open/close control mechanism includes a valve core 43 in sealing fit with the flow passage port of the sampling branch 42, the valve core 43 is connected with a valve rod 45 capable of reciprocating in the valve body 44, a return spring 46 is sleeved on the valve rod 45, one end of the valve rod 45 extends out of the valve body 44 and is connected with an operation handle, and a safety padlock is arranged between the operation handle and the valve body; the structure and principle of the sampling valve are shown in fig. 7 and patent
Cn201822225656.x, which is not described herein.
The outlet end of a main flow passage 41 of the sampling valve is connected with the outlet of a sampling pump 17 through a right-angle elbow 14 and a circulating pipeline 16, and the outlet end of a sampling branch 42 of the sampling valve is provided with a sampling bottle 13; the other interface at the side part of the bottom flange 12 is connected with a fifth valve 5, and a ventilation pipe 15 is communicated between the fifth valve 5 and the sampling bottle 13.
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 opened, the third valve 3 is opened, the fourth valve 4 is closed and the fifth valve 5 is closed; (2) the sampling pump 17 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 fourth valve 4 opens the safety padlock, the control handle is pressed to start sampling, and after sampling is finished, the control handle is loosened, the fourth valve 4 is automatically closed and the safety padlock is added; (2) closing the sampling pump 17, opening the fifth valve 5 to release pressure, closing the fifth valve 5 after pressure release, and removing the sampling bottle 13;
step four, referring to fig. 6, the cleaning system: (1) filling into an empty sampling bottle 13; (2)
opening a first valve 1, introducing nitrogen, opening a second valve 2 and closing a third valve 3, and purging residual liquid in the main circuit of the sampling system; (3) the third valve 3 is opened-the second valve 2 is closed, and the residual liquid in the bypass of the sampling system is purged. (4) The first valve 1, the third valve 3 and the remaining valves are closed in sequence.
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 adopts two-hole positioning installation and flange connection size
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) before sampling, the medium in the reaction kettle is circularly and uniformly mixed through a diaphragm pump, so that the real-time accuracy of sampling is ensured; (7) a safety padlock is arranged before sampling, so that the safety of manual operation is improved; (8) the fourth valve 4 has an automatic resetting closing function, and can quickly control the sampling amount.
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 high-distribution type closed sampling system comprises a sampling main pipe, wherein an upper flange is arranged at the upper end of the sampling main pipe, and the top end of the upper flange is connected with a sealing plate; the method is characterized in that:
the side part of the upper flange is provided with two joints, one joint is connected with the first valve, and the other joint is connected with the inlet of the sampling pump through a liquid pumping pipeline; the lower end of the sampling main pipe is connected with a second valve through a lower flange, and the second valve is connected with an insertion pipe inserted into the reaction kettle through a bottom flange;
the side part of the bottom flange is also provided with two interfaces, one interface at the side part of the bottom flange is connected with a third valve, and the third valve is connected with a fourth valve; the fourth valve is a sampling valve with a main flow passage and a sampling branch passage, the main flow passage of the sampling valve is in a normally open state, and an opening and closing control mechanism is arranged between the main flow passage and the sampling branch passage and controls the opening or the cutting off of the sampling branch passage; the outlet end of a main flow passage of the sampling valve is connected with the outlet of a sampling pump through a circulating pipeline, and the outlet end of a sampling branch of the sampling valve is provided with a sampling bottle; and the other interface at the side part of the bottom flange is connected with a fifth valve, and a ventilation pipe is communicated between the fifth valve and the sampling bottle.
2. The automated high-profile closed sampling system of claim 1, wherein: the switching control mechanism comprises a valve core in sealing fit with the inlet of the sampling branch, the valve core is connected with a valve rod capable of reciprocating in the valve body, a reset spring is sleeved on the valve rod, one end of the valve rod extends out of the valve body and is connected with a control handle, and a safety padlock is arranged between the control handle and the valve body.
3. The automated high-profile closed sampling system of 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 liquid pumping pipeline through the international standard flange.
4. The automatic high-matching type closed sampling system of claim 1, wherein the two interfaces at the side part of the bottom flange are respectively connected with an international standard flange through conversion fittings, and the third valve and the fifth valve are respectively and correspondingly connected through the international standard flange.
5. The automatic high-matching type closed sampling system 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 high-matching type closed sampling system of claim 5, wherein the sampling main pipe is made of high borosilicate glass.
7. The automatic high-dispensing closed sampling system of any one of claims 1 to 4, wherein the sampling pump is a diaphragm pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020520580.8U CN211954830U (en) | 2020-04-10 | 2020-04-10 | Automatic high-matching type closed sampling system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020520580.8U CN211954830U (en) | 2020-04-10 | 2020-04-10 | Automatic high-matching type closed sampling system |
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| CN211954830U true CN211954830U (en) | 2020-11-17 |
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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 |
| CN114577534A (en) * | 2022-03-08 | 2022-06-03 | 江苏德氟设备工程有限公司 | Fully-closed automatic sampling system |
-
2020
- 2020-04-10 CN CN202020520580.8U patent/CN211954830U/en active Active
Cited By (3)
| 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 |
| CN114577534A (en) * | 2022-03-08 | 2022-06-03 | 江苏德氟设备工程有限公司 | Fully-closed automatic sampling system |
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