CN210741928U - Negative pressure reation kettle sampler - Google Patents
Negative pressure reation kettle sampler Download PDFInfo
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- CN210741928U CN210741928U CN201921398840.2U CN201921398840U CN210741928U CN 210741928 U CN210741928 U CN 210741928U CN 201921398840 U CN201921398840 U CN 201921398840U CN 210741928 U CN210741928 U CN 210741928U
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Abstract
The utility model discloses a negative pressure reation kettle sampler relates to sample technical field, and it includes the drawing pipe, the drawing pipe penetrates in reation kettle, just below the liquid level of liquid in the reation kettle was visited into to the one end of drawing pipe, the other end of drawing pipe is located reation kettle's the outside and is higher than the liquid level of liquid in the reation kettle, the upper end intercommunication of drawing pipe has the stock solution container, be provided with on the stock solution container and be used for reducing the subassembly of managing to find time of the inside pressure of stock solution container, still be provided with on the stock solution container and be used for taking out the subassembly that takes out the liquid in the stock solution container. The utility model discloses a position of stock solution container alright definite sample, the sampling work of the personnel of being convenient for take a sample.
Description
Technical Field
The utility model belongs to the technical field of the sampling technique and specifically relates to a negative pressure reation kettle sampler is related to.
Background
In the production of floor paper, special glue is often required to be added on the surface of the floor paper, and in the production of the glue, a reaction kettle is often required to be used for preparing the required glue through the working procedures of stirring, mixing and the like. Wherein, in order to track the progress of reaction promptly the effect, the personnel of taking a sample need take a sample to the glue in the reation kettle to carry out the analysis to the sample.
The prior Chinese patent with publication number CN207095903U discloses a positive pressure reaction kettle sampler, which comprises a reaction kettle body, an air inlet arranged on the upper surface of the reaction kettle body, a sampling port arranged on the upper surface of the reaction kettle body, and a material taking pipe matched with the sampling port, wherein the material taking pipe is provided with a three-way joint, one end of the three-way joint is communicated with an air inlet pipe, and the other end of the three-way joint is communicated with a sampling outlet pipe.
By adopting the scheme, the sampler utilizes atmospheric pressure to sample liquid in the reaction kettle body with positive pressure from the internal pressure of the reaction kettle body to the material taking pipe in a high-pressure environment. However, in this sampling method, since the sample is located in the sampling tube, the sampling personnel cannot timely determine the position of the sample in the sampling tube, and there is a place to be improved.
SUMMERY OF THE UTILITY MODEL
To the technical problem, the utility model aims to provide a negative pressure reation kettle sampler, the inside pressure that the sampling personnel passed through vacuum assembly reduction stock solution container, in liquid in the reation kettle just can get into the stock solution container through the drawing pipe, then the position of sampling personnel accessible stock solution container definite sample.
The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a negative pressure reation kettle sampler, includes the drawing pipe, in the drawing pipe penetrates reation kettle, just the one end of drawing pipe is visited below the liquid level of liquid in reation kettle, the other end of drawing pipe is located reation kettle's the outside and is higher than the liquid level of liquid in reation kettle, the upper end intercommunication of drawing pipe has the stock solution container, be provided with on the stock solution container and be used for reducing the subassembly of managing to find time of the inside pressure of stock solution container, still be provided with on the stock solution container and be used for the subassembly of taking out of the liquid in the stock solution container.
By adopting the technical scheme, a sampling person utilizes the evacuation assembly to reduce the internal pressure of the liquid storage container, and then liquid in the reaction kettle is pumped into the liquid storage container through the material pumping pipe; at the moment, the liquid storage container has a larger volume relative to the material pumping pipe, so that liquid can collide with the liquid storage container when entering the liquid storage container, and then noise is generated; in addition, the sampling personnel can also make liquid collide with the liquid storage container by shaking the liquid storage container, and then judge whether the liquid enters the liquid storage container, so that the sampling work of the sampling personnel is facilitated.
The utility model discloses further set up to: the liquid storage device is characterized in that a material pumping valve is arranged on the material pumping pipe, the material taking assembly comprises a material taking pipe and a material taking valve, one end of the material taking pipe is communicated between the material pumping valve of the material pumping pipe and the liquid storage container, and the material taking valve is arranged in the middle of the material taking pipe.
By adopting the technical scheme, on one hand, the material taking pipe is communicated with the material pumping pipe, so that a sampling person can take out liquid; on the other hand, the effect of controlling the flow of the sampling liquid is realized through the material taking valve, so that excessive or insufficient outflow of the liquid is avoided, and waste is prevented.
The utility model discloses further set up to: the vacuum pumping assembly comprises a vacuum tube and a vacuum pump, one end of the vacuum tube is communicated with the upper side of the liquid storage container, and the other end of the vacuum tube is communicated with a pumping hole of the vacuum pump.
By adopting the technical scheme, on one hand, the vacuum pump sucks air into the liquid storage container along the vacuum pipe, so that the pressure inside the liquid storage container is reduced; on the other hand, through setting up the upside at stock solution container for difficult suction liquid in the vacuum tube reduces the condition emergence that liquid flows into the vacuum tube.
The utility model discloses further set up to: the liquid storage container is a transparent container.
Through adopting above-mentioned technical scheme, after sampling personnel closed first valve, can have a certain amount of liquid in the liquid storage container, at this moment, sampling personnel can observe the liquid level in the liquid storage container earlier before the sample, make things convenient for the staff greatly to the observation operation of liquid level, if the liquid in the liquid storage container compares when the difference appears with the liquid after the reaction is accomplished to the liquid in discovery this moment, can directly utilize first valve and take out the material pipe valve to make liquid flow back to during the reation kettle.
The utility model discloses further set up to: the upper side of the liquid storage container is also communicated with a hose for balancing the pressure inside the material taking pipe, and a balance valve is arranged at the communication position of the hose and the liquid storage container.
Through adopting above-mentioned technical scheme, when the subassembly that evacuates stop the operation, if the sampling personnel need with the liquid reflux in the stock solution container or take out, can open the inside pressure of balanced extracting tube of balanced valve, the liquid of being convenient for in the material pipe of getting falls from getting the material pipe along with gravity, helps the sampling personnel to sample liquid.
The utility model discloses further set up to: an anti-funnel is arranged below the material taking pipe.
Through adopting above-mentioned technical scheme, when the sampling personnel when the sample, prevent that the funnel can play the collection effect to the unrestrained sample of accident, prevent effectively that liquid from unrestrained subaerial.
The utility model discloses further set up to: the anti-funnel is communicated with a return pipe at one end far away from the material taking pipe, the other end of the return pipe is communicated with a position, between the material taking valve and the reaction kettle, of the material taking pipe, and a return valve is arranged on the return pipe.
By adopting the technical scheme, on one hand, after a sampling person opens the reflux valve, the reflux pipe can play a role in recovering the sample collected by the leakage-proof hopper; on the other hand, after the sampling personnel closed the backward flow valve, prevent just can collect a quantitative liquid in the funnel, the sampling personnel alright regard it to take a sample in leak protection fill department, and then help sampling personnel's sample work.
Compared with the prior art, the beneficial effects of the utility model are as follows:
the internal pressure of a liquid storage container is reduced through a vacuum assembly, so that liquid in a reaction kettle enters the liquid storage container through a material pumping pipe, and then a sampling person can determine the position of a sample through the liquid storage container, so that the sampling person can sample in time;
through the orderly matching among the material pumping valve, the first valve, the balance valve, the reflux valve and the material taking valve, the sampling personnel can conveniently control the flow of the liquid;
and thirdly, the anti-funnel and the backflow pipe are utilized to realize the collection and backflow of the sample, so that the waste of the sample is avoided.
Drawings
FIG. 1 is a schematic axial view of the overall structure of the sampler of the negative pressure reactor according to the present embodiment;
fig. 2 is a sectional view of the present embodiment mainly embodying the extension pipe structure.
Reference numerals: 1. a material pumping pipe; 2. a reservoir; 3. an evacuation assembly; 31. a vacuum tube; 32. a vacuum pump; 33. a first valve; 4. taking out the assembly; 41. taking a material pipe; 42. a material taking valve; 5. an extension pipe; 51. a discharge port; 6. a hose; 7. a balance valve; 8. a material pumping valve; 9. preventing a funnel; 10. a return pipe; 11. and a reflux valve.
Detailed Description
The present invention will be described in further detail with reference to the following examples and drawings, but the embodiments of the present invention are not limited thereto.
As shown in fig. 1 and fig. 2, a negative pressure reaction kettle sampler comprises a reaction kettle, wherein a pumping pipe 1 vertically penetrates through the upper side of the reaction kettle, the pumping pipe 1 is a hard pipe, one end of the pumping pipe 1 extends into the position below the liquid level of liquid in the reaction kettle, the other end of the pumping pipe 1 is positioned outside the reaction kettle and is higher than the liquid level of the liquid in the reaction kettle, a liquid storage container 2 is communicated with one section of the pumping pipe 1 positioned outside the reaction kettle, and the liquid storage container 2 is a transparent container; one side of the liquid storage container 2, which is far away from the material pumping pipe 1, is provided with a vacuum pumping assembly 3 for reducing the pressure inside the reaction kettle, and the liquid storage container 2 is also provided with a taking-out assembly 4 for taking out the liquid in the liquid storage container 2.
In the actual sampling operation, the pressure inside stock solution container 2 is reduced through subassembly 3 of managing to find time to the sampling personnel for liquid among the reation kettle flows into stock solution container 2 along taking out material pipe 1 under the effect of negative pressure in, because stock solution container 2 is transparent container, the sampling personnel can observe the liquid in stock solution container 2 in advance, then utilize and take out the liquid of subassembly 4 in with stock solution container 2 and take a sample and observe and the analysis.
The vacuum pumping assembly 3 comprises a vacuum pipe 31 and a vacuum pump 32, the vacuum pipe 31 is a rubber pipe, one end of the vacuum pipe 31 is communicated with the side wall of the liquid storage container 2 far away from the pumping pipe 1, and meanwhile, a first valve 33 is installed on the vacuum pipe 31; the other end of the vacuum tube 31 is in communication with a vacuum pump 32. In practice, the pressure inside the liquid storage container 2 can be reduced by opening the first valve 33 and starting the vacuum pump 32 by the sampling person, and the pressure inside the liquid storage container 2 can be maintained by closing the first valve 33 and then closing the vacuum pump 32 by the sampling person. The extension pipe 5 of the pumping pipe 1 is coaxially arranged on one side wall of the liquid storage container 2 close to the pumping pipe 1 in a penetrating manner, the side wall of the extension pipe 5 close to the bottom of the liquid storage container 2 is provided with a discharge hole 51, and one end of the extension pipe 5 close to the top of the liquid storage container 2 is also provided with a discharge hole 51. The side wall of the liquid storage container 2 far away from the material pumping pipe 1 is also communicated with a hose 6, and a balance valve 7 is arranged at the communication position of the hose 6 and the liquid storage container 2.
When the sampling personnel need to take a sample, the vacuum pump 32 and the first valve 33 are closed, and then the balance valve 7 is opened, at this time, the liquid in the liquid storage container 2 flows reversely from the discharge hole 51 of the extension pipe 5 near the bottom of the liquid storage container 2 under the action of gravity.
And a material pumping valve 8 is arranged on the material pumping pipe 1 to prevent liquid from directly flowing back to the reaction kettle along the material pumping pipe 1. The taking-out assembly 4 comprises a taking pipe 41 and a taking valve 42, the taking pipe 41 is a hard pipe, one end of the taking pipe 41 is communicated between the taking valve 8 of the taking pipe 1 and the liquid storage container 2, the taking valve 42 is arranged in the middle of the taking pipe 41, the axis of the taking pipe 41 is perpendicular to the axis of the taking pipe 1, and the opening of the taking pipe 41 faces downwards; an anti-funnel 9 is arranged right below the opening of the material taking pipe 41, the opening of the anti-funnel 9 is upward, a return pipe 10 is communicated with the lower part of the anti-funnel 9 far away from the material taking pipe 41, the return pipe 10 is a hard pipe, the other end of the return pipe 10 is communicated with the position, between the material taking valve 8 and the reaction kettle, of the material taking pipe 1, and a return valve 11 is arranged in the middle of the return pipe 10.
The present embodiment is further described below with reference to specific actions:
in the actual sampling operation, a sampling person firstly closes the return valve 11, the material taking valve 42 and the balance valve 7 in sequence, then opens the material taking valve 8 and the first valve 33, then starts the vacuum pump 32, by reducing the pressure inside the liquid storage container 2, the pumping pipe 1 inside the liquid storage container 2 is the extension pipe 5, the extension pipe 5 is a rigid pipe, liquid in the reaction kettle flows out from the discharge port 51 of the extension pipe 5 close to the bottom of the liquid storage container 2 under the action of negative pressure along the pumping pipe 1 to the extension pipe 5 of the pumping pipe 1, then the rest of liquid flows out from the discharge port 51 of the extension pipe 5 close to the top of the liquid storage container 2, and along with the increase of the negative pressure, the liquid in the liquid storage container 2 covers the discharge port 51 of the extension pipe 5 close to the bottom of the liquid storage container 2 and only flows out from the discharge port 51 of the extension pipe 5 close to the top of the liquid storage container 2, and in the, the sampling personnel can observe the liquid in real time through the liquid storage container 2.
When a certain amount of liquid is stored, the sampling personnel closes the vacuum pump 32 and the first valve 33, then opens the balance valve 7 and the material taking valve 42, so that the pressure inside the material taking pipe 41 is consistent with the atmospheric pressure, further, the liquid in the liquid storage container 2 can flow through the extension pipe 5 and the material taking pipe 1 in sequence under the action of gravity, at the moment, the sampling personnel closes the material taking valve 8 again, so that the liquid in the material taking pipe 1 flows into the material taking pipe 41, the sampling personnel can sample the flowing liquid by using the container, and after the sampling is completed, the material taking valve 42 is closed, so that the liquid does not flow out any more.
When the sampling personnel spill in the sampling process, the spilled liquid falls into the anti-leakage funnel 9, and the sampling personnel open the backflow valve 11 immediately to enable the sample in the anti-leakage funnel 9 to flow into the reaction kettle along the backflow pipe 10.
And after sampling is finished, opening the material pumping valve 8 to enable the liquid in the liquid storage container 2 to completely flow back to the reaction kettle along the material pumping pipe 1.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (8)
1. The utility model provides a negative pressure reation kettle sampler, includes drawing material pipe (1), drawing material pipe (1) penetrates in reation kettle, just the one end of drawing material pipe (1) is visited below the liquid level of liquid in reation kettle, the other end of drawing material pipe (1) is located reation kettle's the outside and is higher than the liquid level of liquid in reation kettle, its characterized in that, the upper end intercommunication of drawing material pipe (1) has stock solution container (2), be provided with on stock solution container (2) and be used for reducing stock solution container (2) inside pressure subassembly (3) of managing to find time, still be provided with on stock solution container (2) and be used for taking out subassembly (4) that takes out the liquid in stock solution container (2).
2. A negative pressure reactor sampler according to claim 1, wherein the material pumping pipe (1) is provided with a material pumping valve (8), the material taking assembly (4) comprises a material taking pipe (41) and a material taking valve (42), one end of the material taking pipe (41) is communicated between the material pumping valve (8) of the material pumping pipe (1) and the liquid storage container (2), and the material taking valve (42) is arranged in the middle of the material taking pipe (41).
3. The negative pressure reaction kettle sampler according to claim 1, wherein the evacuation assembly (3) comprises a vacuum tube (31) and a vacuum pump (32), one end of the vacuum tube (31) is communicated with the upper side of the liquid storage container (2), and the other end of the vacuum tube (31) is communicated with an air suction port of the vacuum pump (32).
4. A subatmospheric pressure reactor sampler as claimed in claim 3 wherein the vacuum tube (31) is provided with a first valve (33).
5. The subatmospheric pressure reactor sampler of claim 1 wherein the reservoir (2) is a transparent container.
6. A negative pressure reactor sampler according to claim 2, wherein the upper side of the liquid storage container (2) is further communicated with a hose (6) for balancing the pressure inside the material taking pipe (41), and a balancing valve (7) is arranged at the communication position of the hose (6) and the liquid storage container (2).
7. The negative pressure reaction kettle sampler according to claim 2, wherein a funnel (9) is arranged below the material taking pipe (41).
8. A negative pressure reactor sampler according to claim 7, wherein one end of the anti-funnel (9) far away from the material taking pipe (41) is communicated with a return pipe (10), the other end of the return pipe (10) is communicated with a position between the material taking valve (8) and the reactor on the material taking pipe (1), and the return pipe (10) is provided with a return valve (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921398840.2U CN210741928U (en) | 2019-08-26 | 2019-08-26 | Negative pressure reation kettle sampler |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921398840.2U CN210741928U (en) | 2019-08-26 | 2019-08-26 | Negative pressure reation kettle sampler |
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| Publication Number | Publication Date |
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| CN210741928U true CN210741928U (en) | 2020-06-12 |
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| CN201921398840.2U Active CN210741928U (en) | 2019-08-26 | 2019-08-26 | Negative pressure reation kettle sampler |
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| CN (1) | CN210741928U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113804499A (en) * | 2021-08-26 | 2021-12-17 | 贵州大学 | Pinus massoniana rhizosphere secretion collecting device and collecting method thereof |
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2019
- 2019-08-26 CN CN201921398840.2U patent/CN210741928U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113804499A (en) * | 2021-08-26 | 2021-12-17 | 贵州大学 | Pinus massoniana rhizosphere secretion collecting device and collecting method thereof |
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