CN118347792B - Sampling device for ethyl silicate detection - Google Patents
Sampling device for ethyl silicate detection Download PDFInfo
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- CN118347792B CN118347792B CN202410781117.1A CN202410781117A CN118347792B CN 118347792 B CN118347792 B CN 118347792B CN 202410781117 A CN202410781117 A CN 202410781117A CN 118347792 B CN118347792 B CN 118347792B
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- ethyl silicate
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- 238000005070 sampling Methods 0.000 title claims abstract description 188
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 title claims abstract description 91
- 238000001514 detection method Methods 0.000 title claims abstract description 34
- 239000007788 liquid Substances 0.000 claims abstract description 28
- 230000007246 mechanism Effects 0.000 claims abstract description 28
- 230000000694 effects Effects 0.000 claims abstract description 9
- 238000009434 installation Methods 0.000 claims description 23
- 238000007789 sealing Methods 0.000 claims description 23
- 238000005192 partition Methods 0.000 claims description 19
- 238000003860 storage Methods 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 10
- 230000008569 process Effects 0.000 claims description 9
- 238000000926 separation method Methods 0.000 claims description 6
- 239000013013 elastic material Substances 0.000 claims description 3
- 239000012780 transparent material Substances 0.000 claims description 3
- 238000013459 approach Methods 0.000 description 6
- 238000007599 discharging Methods 0.000 description 6
- 238000010992 reflux Methods 0.000 description 5
- 230000003042 antagnostic effect Effects 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 230000008485 antagonism Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- LLPOLZWFYMWNKH-CMKMFDCUSA-N hydrocodone Chemical compound C([C@H]1[C@H](N(CC[C@@]112)C)C3)CC(=O)[C@@H]1OC1=C2C3=CC=C1OC LLPOLZWFYMWNKH-CMKMFDCUSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
- G01N2001/1418—Depression, aspiration
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention relates to the field of ethyl silicate detection sampling, in particular to a sampling device for ethyl silicate detection, which comprises a sampling tube, a sampling bottle and a balancing mechanism; when sampling and detecting, the L-shaped sampling tube is arranged, so that the moving path of a sample during sampling is shortened, meanwhile, one end of the sampling tube inserted into the collecting box is downwards rotated to be immersed below the ethyl silicate liquid level, the first electric control switch is turned on, so that ethyl silicate in the collecting box flows into the bottle body under the siphon effect, after sampling is finished, the sampling tube is rotated to enable one end of the sampling tube immersed in the ethyl silicate liquid level to leave the ethyl silicate liquid level, residual ethyl silicate in the sampling tube enters the bottle body under inertia, the phenomenon that the ethyl silicate stays in the sampling tube to influence the next sampling is avoided, and the accuracy of the sampling and detecting result is improved.
Description
Technical Field
The invention relates to the field of ethyl silicate detection sampling, in particular to a sampling device for ethyl silicate detection.
Background
In the preparation process of the ethyl silicate, on-line products need to be detected and monitored so as to know whether the products accord with the process design. In the continuous production and preparation process of ethyl silicate, continuous sampling detection is needed to realize on-line detection and monitoring of product quality. In sampling ethyl silicate, a pump is generally used for pumping and sampling the sampling pipeline into a sampling bottle, and the pump may pollute the ethyl silicate during pumping and influence the test result.
In order to avoid pump pollution, in the prior art, for example, chinese patent with the publication number of CN209311147U and the name of high-purity ethyl silicate negative pressure sampling device, the technical proposal is disclosed that a reflux pipeline is communicated with the top of a rectifying tower; the sampling pipeline is communicated with the lowest point of the reflux pipeline and extends downwards so as to offset the negative pressure through the height difference, thereby realizing self-flowing sampling. According to the description, in order to realize self-flow by counteracting the negative pressure through the height difference, the length of the reflux pipeline in the height direction is set to be between 1/4 and 1/2 of the height of the rectifying tower, and the lower part of the reflux pipeline is connected with a sampling pipeline, so that the pipeline through which a sample flows is relatively long during each sampling, and after the sampling, more residues may exist in the sampling pipeline, thereby influencing the accuracy of the result of the next sampling detection.
Disclosure of Invention
The invention provides a sampling device for detecting ethyl silicate, which aims to solve the problems.
The invention relates to a sampling device for ethyl silicate detection, which adopts the following technical scheme: a sampling device for ethyl silicate detection comprises a sampling tube, a sampling bottle and a balancing mechanism;
the sampling tube is L-shaped with an upward inflection point; one end of the sampling tube is inserted into a collecting box of ethyl silicate at the top of the rectifying tower, and the other end of the sampling tube is arranged at the outer side of the collecting box; the inflection point of the sampling tube is rotationally connected with the side wall of the collecting box through an elastic sealing piece; the elastic sealing piece is made of flexible and elastic materials; when the sampling is not performed, one end of the sampling tube, which is positioned in the collecting box, is positioned above the liquid level of the ethyl silicate; the sampling tube is arranged outside the collecting box a connecting pipe is coaxially arranged at the end part of the connecting pipe; one end of the connecting pipe far away from the sampling pipe a first electric control switch is arranged;
The sampling bottle comprises a bottle cap, a bottle body and an exhaust mechanism; the bottle cap is clamped with the connecting pipe; the bottle body is cylindrical; the bottle body is connected with the bottle cap in a sealing way; the exhaust mechanism is used for exhausting the air of the bottle body before sampling;
The balance mechanism is arranged in the sampling tube and is used for enabling the air pressure in the sampling tube and the air pressure in the bottle body to be balanced in the process that one end of the sampling tube inserted into the sampling tube rotates downwards to be immersed below the liquid level of the ethyl silicate and the first electric control switch is turned on to enable the ethyl silicate in the sampling tube to flow into the bottle body under the siphon effect.
Further, the exhaust mechanism comprises a one-way valve, an exhaust column and a mounting pipe;
the one-way valve is arranged on the bottle cap; the one-way valve prevents external air from entering the bottle body;
The exhaust column is coaxially arranged at one end of the bottle body far away from the bottle cap; the end face of the exhaust column, which is close to the bottle body, is provided with a ring groove and a mounting hole; the bottle body is inserted into the ring groove; the bottle body is in sliding fit with the ring groove; the mounting hole and the exhaust column are coaxially arranged;
the mounting pipe is coaxially arranged in the bottle body; one end of the mounting pipe is rotationally connected with the bottle cap, the other end of the sealing sleeve slides with the mounting hole in a sealing way; the mounting pipe, the exhaust column, the bottle body and the bottle cap enclose a sealed sampling cavity; a torsion spring is arranged between the mounting pipe and the mounting hole; one end of the torsion spring is fixedly connected to the bottle cap, and the other end of the torsion spring is fixed to the bottom wall of the mounting hole. Before sampling, the sampling bottle is clamped on the connecting pipe through the bottle cap, the air exhaust column is twisted by hand, so that the torsion spring is twisted to store force and shorten to drive the air exhaust column to approach the bottle cap, and air in the bottle body is exhausted through the one-way valve. Then, the exhaust column is loosened by hand, the torsion spring releases the power, and the exhaust column is kept away from the bottle lid in order to form the sampling chamber, simultaneously, opens first automatically controlled switch for the antagonism atmospheric pressure of the ethyl silicate liquid level top in the sampling tube of impressing reduces in the twinkling of an eye, makes the ethyl silicate carry out siphon sample because inertia passes the inflection point inflow sampling chamber of sampling tube in, avoids the influence of external moist air, has improved the efficiency of sampling detection.
Further, the sampling device for detecting the ethyl silicate further comprises an auxiliary mechanism; the auxiliary mechanism is used for sampling ethyl silicate with different depths in the collecting box.
Further, the auxiliary mechanism comprises an outer mounting groove, an inner mounting groove and a separation assembly;
The mounting outer groove is an annular groove arranged on the end face of one end of the sampling pipe far away from the collecting box; the mounting outer groove and the sampling tube are coaxially arranged; spiral bulges are arranged on the groove walls of the outer grooves; the side wall of the connecting pipe is provided with a spiral groove; the spiral groove is in sliding fit with the spiral protrusion; a reset spring is arranged in the mounting outer groove; one end of the reset spring is abutted with the connecting pipe, and the other end of the reset spring is fixedly connected with the groove wall of the outer groove;
The mounting inner groove is an annular groove arranged on the end face of one end of the sampling tube inserted into the collecting box; the mounting inner groove and the sampling tube are coaxially arranged; the mounting inner groove is communicated with the mounting outer groove; the inner groove is coaxially provided with an extension tube; the extension tube is slidably arranged in the mounting inner groove; the extension tube and the mounting inner groove are sealed and slide; the extension tube, the mounting inner groove, the mounting outer groove and the connecting tube enclose a sealed auxiliary cavity; air is sealed in the auxiliary cavity; in the process of twisting the air exhaust column by hand, so that the torsion spring twists the storage force and shortens the storage force to drive the air exhaust column to approach the bottle cap, and the bottle cap drives the connecting pipe to rotate. Because the connecting pipe and the spiral groove and the spiral bulge of the installation outer groove are in sliding fit, the connecting pipe is retracted into the installation outer groove to compress the reset spring when rotating, and meanwhile, the connecting pipe pushes and presses air in the auxiliary cavity to drive the extension pipe to slide out from the installation inner groove to the bottom of the collection box, so that the lower end of the extension pipe extends into a position deeper than the liquid level of the ethyl silicate in the collection box. Then, when the exhaust column is loosened by hand and the torsion spring releases force, the exhaust column is far away from the bottle cap to carry out siphonic sampling, the return spring releases force to drive the connecting pipe to unscrew from the mounting outer groove, the connecting pipe pulls air in the auxiliary cavity, and the extension pipe is driven to retract into the mounting inner groove, so that siphonic sampling of ethyl silicate with different depths in the collecting box is realized;
The separation component is arranged in the bottle body and is used for separating and sampling ethyl silicate samples with different depths in the collecting box.
Further, a plurality of sliding grooves are arranged on the end face of the exhaust column, which is close to the bottle cap; the sliding grooves are circumferentially distributed along the exhaust column; the sliding groove is arranged between the annular groove and the mounting hole; the sliding chute is arranged along the radial direction of the exhaust column; the sliding groove is communicated with the annular groove; the sliding groove is communicated with the mounting hole;
The partition assembly includes a plurality of partitions; the plurality of baffles are circumferentially distributed along the mounting pipe; the partition board is arranged between the bottle body and the mounting pipe; the partition board is radially arranged along the mounting pipe; one end of the baffle plate is fixedly connected with the mounting pipe, the other end is in sliding fit with the bottle body; the baffle plate and the bottle body are sealed in a sliding way; the sampling cavity is divided into a plurality of storage cavities by a plurality of partition boards. The device is used for loosening the exhaust column by hand, releasing force of the torsion spring, and enabling the exhaust column to be far away from the bottle cap to carry out siphoning sampling, and enabling ethyl silicate with different depths in the collecting box to flow into different storage cavities respectively along with the fact that the lower end of the extension tube is continuously close to the ethyl silicate liquid level in the collecting box.
Further, the mounting outer groove has a cross-sectional width greater than a cross-sectional width of the mounting inner groove. When the connecting pipe is screwed into the installation outer groove, the length of the extension pipe sliding out of the sampling pipe is driven to be larger than the unit length when the connecting pipe is retracted into the installation outer groove, so that the extension pipe is inserted into a deeper position below the liquid level of the ethyl silicate in the collecting tank, and the layered sampling effect is improved.
Further, the balancing mechanism comprises a balancing pipe; the balance pipe is arranged in the sampling pipe, one end of the balance pipe extends to the connecting pipe, and the other end of the balance pipe penetrates out of the sampling pipe and extends to the position above the liquid level of the ethyl silicate in the collecting box; the pipe orifice of the balance pipe in the collecting box is provided with a second electric control switch. When the first electric control switch is turned on to enable ethyl silicate in the collecting box to flow into the bottle body under the siphon effect, the second electric control switch is turned on to enable the air pressure in the collecting box and the bottle body to be balanced.
Further, the elastic sealing element is a sealing ring; the sealing ring is made of rubber.
Further, an observation window is arranged on the bottle body; the observation window is made of transparent materials.
Further, the bottle body is provided with scales; the scale is arranged at one side of the observation window.
The beneficial effects of the invention are as follows: when sampling and detecting, the L-shaped sampling tube is arranged, so that the moving path of a sample during sampling is shortened, meanwhile, one end of the sampling tube inserted into the collecting box is downwards rotated to be immersed below the ethyl silicate liquid level, the first electric control switch is turned on, so that ethyl silicate in the collecting box flows into the bottle body under the siphon effect, after sampling is finished, the sampling tube is rotated to enable one end of the sampling tube immersed in the ethyl silicate liquid level to leave the ethyl silicate liquid level, residual ethyl silicate in the sampling tube enters the bottle body under inertia, the phenomenon that the ethyl silicate stays in the sampling tube to influence the next sampling is avoided, and the accuracy of the sampling and detecting result is improved.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a schematic view of an embodiment of a sampling device for ethyl silicate detection at a collection box of a rectifying tower according to the present invention;
FIG. 2 is a top view of an embodiment of a sampling device for ethyl silicate detection of the present invention at the collection box of a rectifying column;
FIG. 3 is a cross-sectional view at A-A in FIG. 2;
FIG. 4 is an enlarged view at B in FIG. 3;
FIG. 5 is a schematic view of a sample bottle of an embodiment of a sampling device for ethyl silicate detection according to the present invention;
FIG. 6 is a cross-sectional view taken at C-C of FIG. 5;
FIG. 7 is a top view of a sample bottle of an embodiment of a sampling device for ethyl silicate detection according to the present invention;
FIG. 8 is a cross-sectional view taken at D-D of FIG. 7;
FIG. 9 is a schematic view of an exhaust column of an embodiment of a sampling device for ethyl silicate detection according to the present invention;
FIG. 10 is a schematic view of a bottle cap, bottle body, partition and torsion spring of an embodiment of a sampling device for ethyl silicate detection according to the present invention;
FIG. 11 is a schematic view of a sampling tube, an extension tube, a balance tube and a connecting tube according to an embodiment of the sampling device for ethyl silicate detection of the present invention.
In the figure: 100. a rectifying tower; 110. a collection box; 200. a sampling tube; 210. a connecting pipe; 211. a first electrically controlled switch; 300. sampling bottle; 310. a bottle cap; 311. installing a pipe; 312. a one-way valve; 320. a bottle body; 321. an observation window; 330. an exhaust column; 331. a ring groove; 332. a mounting hole; 333. a chute; 340. a torsion spring; 400. a balance tube; 410. a second electrically controlled switch; 510. installing an outer groove; 511. a return spring; 520. installing an inner groove; 530. an extension tube; 540. an auxiliary chamber; 550. a partition board.
Detailed Description
Reference will now be made in detail to the present embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the like or similar elements throughout or elements having the same or similar functions. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The features of the invention "first", "second" and the like in the description and in the claims may be used for the explicit or implicit inclusion of one or more such features. In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present invention, it should be understood that the terms "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
An embodiment of a sampling device for ethyl silicate detection according to the present invention is shown in fig. 1 to 11: a sampling device for ethyl silicate detection comprises a sampling tube 200, a sampling bottle 300, a balancing mechanism and an auxiliary mechanism; the raw materials are rectified in the rectifying tower 100, the ethyl silicate steam reaches the top of the rectifying tower 100, enters a reflux device through a condenser, then flows back partially, and enters the collecting box 110 partially.
The sampling tube 200 is L-shaped with an upward inflection point; one end of the sampling tube 200 is inserted into the collecting box 110 of ethyl silicate at the top of the rectifying tower 100, and the other end is arranged outside the collecting box 110; the inflection point of the sampling tube 200 is rotationally connected with the side wall of the collecting box 110 through an elastic sealing element; the elastic sealing piece is made of flexible and elastic materials; when not sampling, the end of the sampling tube 200 in the collecting box 110 is positioned above the liquid level of the ethyl silicate; the end of the sampling tube 200 outside the collecting box 110 is coaxially provided with a connection tube 210; a first electric control switch 211 is arranged at one end of the connecting pipe 210 away from the sampling pipe 200; the first electronically controlled switch 211 is used to keep one end of the sampling tube 200 closed prior to sampling.
Sample bottle 300 includes a cap 310, a body 320, and an air evacuation mechanism; bottle cap 310 and connecting tube 210 are clamped by a spline; the clamping joint of the bottle cap 310 and the connecting pipe 210 is arranged deviating from the circle center of the bottle cap 310; the bottle 320 is cylindrical; the bottle body 320 and the bottle cap 310 are connected in a sealing manner; the exhaust mechanism is used for exhausting the air of the bottle 320 before sampling;
the exhaust mechanism includes a check valve 312, an exhaust column 330, and a mounting tube 311;
the check valve 312 is provided on the cap 310; the check valve 312 prevents outside air from entering the bottle 320;
The air vent column 330 is coaxially disposed at an end of the bottle body 320 remote from the bottle cap 310; the end face of the air exhaust column 330, which is close to the bottle body 320, is provided with a ring groove 331 and a mounting hole 332; the bottle 320 is inserted into the ring groove 331; the bottle 320 is in sliding fit with the ring groove 331; the mounting hole 332 and the exhaust column 330 are coaxially disposed; the end surface of the air exhaust column 330, which is close to the bottle cap 310, is provided with a plurality of sliding grooves 333; the plurality of sliding grooves 333 are circumferentially distributed along the exhaust column 330; the sliding groove 333 is provided between the annular groove 331 and the mounting hole 332; the chute 333 is disposed radially along the exhaust column 330; the sliding groove 333 is communicated with the annular groove 331; the chute 333 communicates with the mounting hole 332;
The mounting tube 311 is coaxially disposed within the bottle 320; one end of the mounting tube 311 is rotatably connected to the bottle cap 310, the other end of the sealing slide is sealed with the mounting hole 332; the mounting tube 311, the exhaust column 330, the bottle body 320 and the bottle cap 310 enclose a sealed sampling cavity; a torsion spring 340 is arranged between the mounting tube 311 and the mounting hole 332; one end of the torsion spring 340 is fixedly connected to the bottle cap 310, and the other end is fixed to the bottom wall of the mounting hole 332. Before sampling, the sampling bottle 300 is clamped on the connecting pipe 210 through the bottle cap 310, and the air-discharging column 330 is twisted by hand, so that the torsion spring 340 twists the storage force and shortens to drive the air-discharging column 330 to approach the bottle cap 310, and air in the bottle body 320 is discharged through the one-way valve 312. Then, the air exhaust column 330 is loosened by hand, the torsion spring 340 releases force, the air exhaust column 330 is far away from the bottle cap 310 to form a sampling cavity, and meanwhile, the first electric control switch 211 is opened, so that the antagonistic air pressure above the liquid level of the ethyl silicate pressed into the sampling tube 200 is instantaneously reduced, the ethyl silicate flows into the sampling cavity to carry out siphon sampling because of inertia passing through the inflection point of the sampling tube 200, the influence of outside moist air is avoided, and the sampling detection efficiency is improved.
The balancing mechanism is provided in the sampling tube 200, and is used for balancing the air pressure in the sampling tube 110 and the bottle 320 in the process that the end of the sampling tube 200 inserted into the sampling tube 110 rotates downwards to be immersed under the liquid level of the ethyl silicate and the first electric control switch 211 is opened to enable the ethyl silicate in the sampling tube 110 to flow into the bottle 320 under the siphon effect. The balancing mechanism includes a balancing pipe 400; the balance tube 400 is arranged in the sampling tube 200, one end of the balance tube extends to the connecting tube 210, and the other end of the balance tube extends to the position above the ethyl silicate liquid level of the collecting box 110 after penetrating out of the sampling tube 200; a second electronically controlled switch 410 is provided at the orifice of the balancing pipe 400 within the collection box 110. For blocking the balance tube 400 when the end of the sampling tube 200 inserted into the collecting box 110 is rotated downward to be immersed below the liquid level of the ethyl silicate, and when the first electric control switch 211 is turned on to enable the ethyl silicate in the collecting box 110 to flow into the bottle 320 under the siphon effect, the second electric control switch 410 is turned on to enable the air pressures in the collecting box 110 and the bottle 320 to be balanced.
The auxiliary mechanism is used to sample ethyl silicate at different depths in the collection tank 110. The auxiliary mechanism includes a mounting outer groove 510, a mounting inner groove 520, and a partition assembly;
The mounting outer groove 510 is an annular groove provided on an end surface of the sampling tube 200 at an end far from the collecting box 110; the mounting outer groove 510 and the sampling tube 200 are coaxially arranged; spiral bulges are arranged on the groove wall of the outer groove 510; the side wall of the connecting pipe 210 is provided with a spiral groove; the spiral groove is in sliding fit with the spiral protrusion; a return spring 511 is arranged in the mounting outer groove 510; one end of the return spring 511 is abutted against the connection pipe 210, and the other end is fixedly connected with the groove wall of the installation outer groove 510;
The mounting inner groove 520 is an annular groove provided on an end surface of the sampling tube 200 inserted into the collecting box 110; the mounting inner groove 520 and the sampling tube 200 are coaxially disposed; the installation inner groove 520 communicates with the installation outer groove 510; the installation inner groove 520 is coaxially provided with an extension pipe 530; extension tube 530 is slidably mounted within mounting inner slot 520; the extension tube 530 and the installation inner groove 520 are hermetically slid; the extension tube 530, the mounting inner groove 520, the mounting outer groove 510, and the connection tube 210 enclose a sealed auxiliary chamber 540; the auxiliary chamber 540 is sealed with air; in the process of twisting the air discharging column 330 by hand, so that the torsion spring 340 twists the storage force and shortens to drive the air discharging column 330 to approach the bottle cap 310, the bottle cap 310 drives the connection pipe 210 to rotate. Because the spiral grooves and the spiral protrusions of the connection pipe 210 and the installation outer groove 510 are slidably engaged, the connection pipe 210 is retracted into the installation outer groove 510 to compress the return spring 511 while rotating, and at the same time, the connection pipe 210 pushes the air in the auxiliary chamber 540 to drive the extension pipe 530 to slide out from the installation inner groove 520 toward the bottom of the collection tank 110, so that the lower end of the extension pipe 530 extends into a position deeper from the ethyl silicate liquid level in the collection tank 110. Then, when the air exhaust column 330 is released by hand and the torsion spring 340 releases force, the return spring 511 releases force to drive the connecting pipe 210 to unscrew from the mounting outer groove 510, the connecting pipe 210 pulls the air in the auxiliary cavity 540, and the extension pipe 530 is driven to retract into the mounting inner groove 520, so that the ethyl silicate with different depths in the collecting box 110 can be siphoned and sampled;
A separation assembly is provided within the bottle 320 for separately sampling the ethyl silicate samples at different depths within the collection tank 110. The partition assembly includes a plurality of partitions 550; the plurality of spacers 550 are circumferentially distributed along the mounting tube 311; the partition 550 is provided between the bottle 320 and the mounting tube 311; the partition 550 is radially disposed along the mounting tube 311; one end of the partition plate 550 is fixedly connected with the mounting tube 311, and the other end is in sliding fit with the bottle body 320; a sliding seal between the partition 550 and the bottle 320; the plurality of baffles 550 divide the sampling chamber into a plurality of storage chambers. The separation component is used for releasing force at the air column 330 of loosening by hand, the torsional spring 340, and the air column 330 keeps away from bottle lid 310 and carries out the in-process of hydrocone type sample, along with the continuous ethyl silicate liquid level that is close to in the collecting box 110 of extension pipe 530 lower extreme, when torsional spring 340 drove air column 330 and rotate, air column 330 passes through spout 333 and drives baffle 550 and rotate around the mounting tube 311 axis, realizes flowing into the different storage chamber respectively with the ethyl silicate of the interior different degree of depth of collecting box 110 that obtains through extension pipe 530 and sampling tube 200 for the result of sampling detection is more accurate.
In this embodiment, the cross-sectional width of the mounting outer groove 510 is greater than the cross-sectional width of the mounting inner groove 520. For driving the extension tube 530 to slide out of the sampling tube 200 by a length greater than a unit length when the connection tube 210 is retracted into the installation outer groove 510 when the connection tube 210 is screwed into the installation outer groove 510, so that the extension tube 530 is inserted into the collection tank 110 at a position deeper than the ethyl silicate liquid level, thereby improving the effect of stratified sampling.
In this embodiment, the elastic sealing member is a sealing ring; the sealing ring is made of rubber. In other embodiments, the elastic seal is a rubber column with an axis disposed horizontally; a rectangular mounting groove is formed in the side wall of the collecting box 110; the mounting groove is a through hole; the upper and lower groove walls of the mounting groove are arc-shaped grooves; the rubber column is rotatably arranged in the groove; the rubber column and the groove are sealed in a sliding manner; both ends of the rubber column are sealed with the mounting groove in a sliding way. The sampling tube 200 is inserted on the side wall of the rubber column, both ends of the sampling tube 200 extend out of the rubber column, one end extends into the collecting box 110, and the other end is left outside the collecting box 110.
In this embodiment, the bottle 320 is provided with an observation window 321; the observation window 321 is made of transparent material. The bottle body 320 is provided with scales; the scale is arranged at one side of the observation window 321, so that the sampling amount can be observed conveniently.
In combination with the above embodiment, the use principle and working process of the present invention are as follows: during sampling detection, the first electric control switch 211 and the second electric control switch 410 are kept closed; the sampling tube 200 is rotated such that the end of the sampling tube 200 inserted into the collection box 110 is rotated downward to be immersed under the liquid level of the ethyl silicate, and then the sampling bottle 300 is clamped to the connection tube 210 by the cap 310. The air discharging column 330 is twisted by hand, so that the torsion spring 340 twists the storage force and shortens to drive the air discharging column 330 to approach the bottle cap 310, and the air in the bottle 320 is discharged through the one-way valve 312, so as to avoid the influence of external moist air. In this process, since the connection pipe 210 is slidably engaged with the spiral groove and the spiral protrusion of the installation outer groove 510, the connection pipe 210 is retracted into the installation outer groove 510 to compress the return spring 511 while rotating, and at the same time, the connection pipe 210 pushes the air in the auxiliary chamber 540 to drive the extension pipe 530 to slide out from the installation inner groove 520 toward the bottom of the collection tank 110, so that the lower end of the extension pipe 530 is extended to a position deeper from the ethyl silicate liquid level in the collection tank 110.
Then, the air vent column 330 is released by hand, the torsion spring 340 releases force, the air vent column 330 is far away from the bottle cap 310 to form a sampling cavity, and simultaneously, the first electric control switch 211 and the second electric control switch 410 are opened, so that the antagonistic air pressure above the liquid level of the ethyl silicate pressed into the sampling tube 200 is instantaneously reduced, and the ethyl silicate flows into the sampling cavity to carry out siphon sampling because of inertia over the inflection point of the sampling tube 200. In this process, the restoring spring 511 releases the force to drive the connection pipe 210 to be screwed out of the installation outer groove 510, the connection pipe 210 pulls the air in the auxiliary cavity 540, and the extension pipe 530 is driven to retract into the installation inner groove 520, so that the lowest end of the extension pipe 530 gradually approaches the liquid level of the ethyl silicate. Meanwhile, when the torsion spring 340 drives the air exhaust column 330 to rotate, the air exhaust column 330 drives the baffle 550 to rotate around the axis of the mounting pipe 311 through the chute 333, so that ethyl silicate with different depths in the collecting box 110 obtained through the extension pipe 530 and the sampling pipe 200 can flow into different storage cavities respectively, and the sampling and detecting results are more accurate.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (10)
1. A sampling device for ethyl silicate detection is characterized in that: comprises a sampling tube, a sampling bottle and a balancing mechanism;
the sampling tube is L-shaped with an upward inflection point; one end of the sampling tube is inserted into a collecting box of ethyl silicate at the top of the rectifying tower, and the other end of the sampling tube is arranged at the outer side of the collecting box; the inflection point of the sampling tube is rotationally connected with the side wall of the collecting box through an elastic sealing piece; the elastic sealing piece is made of flexible and elastic materials; when the sampling is not performed, one end of the sampling tube, which is positioned in the collecting box, is positioned above the liquid level of the ethyl silicate; the sampling tube is arranged outside the collecting box a connecting pipe is coaxially arranged at the end part of the connecting pipe; one end of the connecting pipe far away from the sampling pipe a first electric control switch is arranged;
The sampling bottle comprises a bottle cap, a bottle body and an exhaust mechanism; the bottle cap is clamped with the connecting pipe; the bottle body is cylindrical; the bottle body is connected with the bottle cap in a sealing way; the exhaust mechanism is used for exhausting the air of the bottle body before sampling;
The balance mechanism is arranged in the sampling tube and is used for enabling the air pressure in the sampling tube and the air pressure in the bottle body to be balanced in the process that one end of the sampling tube inserted into the sampling tube rotates downwards to be immersed below the liquid level of the ethyl silicate and the first electric control switch is turned on to enable the ethyl silicate in the sampling tube to flow into the bottle body under the siphon effect.
2. The sampling device for ethyl silicate detection according to claim 1, wherein: the exhaust mechanism comprises a one-way valve, an exhaust column and an installation pipe;
the one-way valve is arranged on the bottle cap; the one-way valve prevents external air from entering the bottle body;
The exhaust column is coaxially arranged at one end of the bottle body far away from the bottle cap; the end face of the exhaust column, which is close to the bottle body, is provided with a ring groove and a mounting hole; the bottle body is inserted into the ring groove; the bottle body is in sliding fit with the ring groove; the mounting hole and the exhaust column are coaxially arranged;
The mounting pipe is coaxially arranged in the bottle body; one end of the mounting pipe is rotationally connected with the bottle cap, the other end of the sealing sleeve slides with the mounting hole in a sealing way; the mounting pipe, the exhaust column, the bottle body and the bottle cap enclose a sealed sampling cavity; a torsion spring is arranged between the mounting pipe and the mounting hole; one end of the torsion spring is fixedly connected to the bottle cap, and the other end of the torsion spring is fixed to the bottom wall of the mounting hole.
3. The sampling device for ethyl silicate detection according to claim 2, wherein: the device also comprises an auxiliary mechanism; the auxiliary mechanism is used for sampling ethyl silicate with different depths in the collecting box.
4. A sampling device for ethyl silicate detection according to claim 3, wherein: the auxiliary mechanism comprises an outer installation groove, an inner installation groove and a separation assembly;
The mounting outer groove is an annular groove arranged on the end face of one end of the sampling pipe far away from the collecting box; the mounting outer groove and the sampling tube are coaxially arranged; spiral bulges are arranged on the groove walls of the outer grooves; the side wall of the connecting pipe is provided with a spiral groove; the spiral groove is in sliding fit with the spiral protrusion; a reset spring is arranged in the mounting outer groove; one end of the reset spring is abutted with the connecting pipe, and the other end of the reset spring is fixedly connected with the groove wall of the outer groove;
The mounting inner groove is an annular groove arranged on the end face of one end of the sampling tube inserted into the collecting box; the mounting inner groove and the sampling tube are coaxially arranged; the mounting inner groove is communicated with the mounting outer groove; the inner groove is coaxially provided with an extension tube; the extension tube is slidably arranged in the mounting inner groove; the extension tube and the mounting inner groove are sealed and slide; the extension tube, the mounting inner groove, the mounting outer groove and the connecting tube enclose a sealed auxiliary cavity; air is sealed in the auxiliary cavity;
The separation component is arranged in the bottle body and is used for separating and sampling ethyl silicate samples with different depths in the collecting box.
5. The sampling device for ethyl silicate detection according to claim 4, wherein: the exhaust column is close to the bottle cap a plurality of sliding grooves are arranged on the end face; the sliding grooves are circumferentially distributed along the exhaust column; the sliding groove is arranged between the annular groove and the mounting hole; the sliding chute is arranged along the radial direction of the exhaust column; the sliding groove is communicated with the annular groove; the sliding groove is communicated with the mounting hole;
the partition assembly includes a plurality of partitions; the plurality of baffles are circumferentially distributed along the mounting pipe; the partition board is arranged between the bottle body and the mounting pipe; the partition board is radially arranged along the mounting pipe; one end of the baffle plate is fixedly connected with the mounting pipe, the other end is in sliding fit with the bottle body; the baffle plate and the bottle body are sealed in a sliding way; the sampling cavity is divided into a plurality of storage cavities by a plurality of partition boards.
6. The sampling device for ethyl silicate detection according to claim 5, wherein: the cross-sectional width of the mounting outer groove is greater than the cross-sectional width of the mounting inner groove.
7. The sampling device for ethyl silicate detection according to claim 6, wherein: the balance mechanism comprises a balance tube; the balance pipe is arranged in the sampling pipe, one end of the balance pipe extends to the connecting pipe, and the other end of the balance pipe penetrates out of the sampling pipe and extends to the position above the liquid level of the ethyl silicate in the collecting box; the pipe orifice of the balance pipe in the collecting box is provided with a second electric control switch.
8. The sampling device for ethyl silicate detection according to claim 1, wherein: the elastic sealing piece is a sealing ring; the sealing ring is made of rubber.
9. The sampling device for ethyl silicate detection according to claim 1, wherein: the bottle body is provided with an observation window; the observation window is made of transparent materials.
10. The sampling device for ethyl silicate detection according to claim 9, wherein: the bottle body is provided with scales; the scale is arranged at one side of the observation window.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202410781117.1A CN118347792B (en) | 2024-06-18 | 2024-06-18 | Sampling device for ethyl silicate detection |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202410781117.1A CN118347792B (en) | 2024-06-18 | 2024-06-18 | Sampling device for ethyl silicate detection |
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| CN118347792B true CN118347792B (en) | 2024-08-09 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202614557U (en) * | 2012-05-08 | 2012-12-19 | 浙江磊纳微粉材料有限公司 | Sampling device for pyrophyllite micro-powders |
| CN210037284U (en) * | 2019-04-12 | 2020-02-07 | 上海润凯油液监测有限公司 | Lubricating oil packing barrel particulate matter sampling device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4659168B2 (en) * | 1999-12-21 | 2011-03-30 | 芝浦メカトロニクス株式会社 | Spin processing device |
| JP3837350B2 (en) * | 2002-03-28 | 2006-10-25 | 株式会社明電舎 | Sampling device |
| CA3008843A1 (en) * | 2018-06-19 | 2019-12-19 | Ronald Kim Althouse | Particulate sampler and method of using same |
| CN211784505U (en) * | 2020-04-02 | 2020-10-27 | 杭州金丰环保科技有限公司 | Sampling device |
| CN219890118U (en) * | 2023-05-19 | 2023-10-24 | 青岛奥特精良啤酒设备有限公司 | Single cone dryer with sampling mechanism |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202614557U (en) * | 2012-05-08 | 2012-12-19 | 浙江磊纳微粉材料有限公司 | Sampling device for pyrophyllite micro-powders |
| CN210037284U (en) * | 2019-04-12 | 2020-02-07 | 上海润凯油液监测有限公司 | Lubricating oil packing barrel particulate matter sampling device |
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