CN217033150U - Sampling device for aviation kerosene storage tank - Google Patents
Sampling device for aviation kerosene storage tank Download PDFInfo
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- CN217033150U CN217033150U CN202220333751.5U CN202220333751U CN217033150U CN 217033150 U CN217033150 U CN 217033150U CN 202220333751 U CN202220333751 U CN 202220333751U CN 217033150 U CN217033150 U CN 217033150U
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Abstract
The utility model discloses a sampling device for an aviation kerosene storage tank, which comprises a tank body and a pulley block arranged on the tank body, the tank body is fixedly provided with a servo explosion-proof motor, the servo explosion-proof motor is connected with a speed reducer, the output end of the speed reducer is connected with the winding wheel, a hole is formed at the corresponding position of the top end of the tank body, the steel wire rope extends into the tank along the pulley block until the top end of the sampler below the tank at the bottom of the storage tank, a floating frame is arranged in the tank body and fixedly connected with a prefabricated steel wire rope cableway, the floating frame is positioned at the bottom end of the tank body, a sampling operation box is arranged at the outer side of the tank body, the sampling operation case with be equipped with sample tube between the internal jar downsampler of jar, the floating frame is greater than the expansion bracket of buoyancy for gravity, and the expansion bracket can reciprocate along prefabricated wire rope cableway, and the expansion bracket is in the bottom of the jar body.
Description
Technical Field
The utility model relates to the technical field of sampling systems, in particular to a sampling device for an aviation kerosene storage tank.
Background
According to the standard of selection, inspection and acceptance of a sampler for an SH/T3414-2017 petrochemical steel vertical storage tank. Liquid level samples at three points above and below the liquid level are measured, and the sampling points are 1/6,1/2 and 5/6 respectively. Today's sampling methods utilize the float of the tank downsampler to determine the position of the liquid level, and then the sampling tube is scaled to the position of the tank downsampler. Such a tank down-sampler cannot take a sample at any point, and can reflect the state of the sample only by the approximate position. The control box outside the jar all adopts manual stop valve to take a sample, and the unable ration of sample can only take a sample roughly according to the scale of bottle, need take a sample if needs manual operation go on at every turn, can't carry out remote timing, quantitative sample. In view of the above factors, the applicant designs a sampling device for an aviation kerosene storage tank, which can realize sampling at any point of a tank down-sampler by innovatively using an explosion-proof motor as a power source, and can realize sampling at any point in a timing and quantitative manner by PLC control of a sampling box.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a sampling device for an aviation kerosene storage tank, which solves the problems in the background technology.
The purpose of the utility model is realized by the following technical scheme: the utility model provides a sampling device for aviation kerosene storage tank, includes a jar body, still including being located the assembly pulley that sets up on the jar body, the fixed servo explosion proof machine that is equipped with on the jar body, servo explosion proof machine is connected with the speed reducer, and the output and the hoist wheel of speed reducer are connected, jar body top relevant position trompil, wire rope stretch into jar interior until storage tank bottom jar downsampler top along the assembly pulley, the internal floating frame that sets up of jar, floating frame and prefabricated wire rope cableway fixed connection, just floating frame is located the bottom of the jar body is located the external side of jar is equipped with the sample operation case, the sample operation case with be equipped with the sample pipeline between the internal jar downsampler of jar.
Further, the floating frame is an expansion frame with gravity larger than buoyancy, the expansion frame can move up and down along the prefabricated steel wire rope cableway, and the expansion frame is arranged at the bottom end of the tank body.
Furthermore, be located the internal sampling tube who is equipped with of jar follows jar body bottom jar downsampler arranges, and the mouth of pipe of advancing is on jar downsampler top, goes out the appearance mouth of pipe and stretches out outside the jar from jar wall trompil, gets into the sample operation case.
Further, the stop valve that sets up between jar body and the sample control box can stop the liquid that gets into the sample control box, when the sample control box need break off with the stop valve of sample control box is closed in the time of the connection of the jar body.
Furthermore, the sampling operation box is controlled by a PLC controller, and the oil temperature passing through the sampling pipeline is displayed in real time.
Further, be equipped with weighing sensor in the sample operation incasement, weighing sensor with PLC controller electric connection.
Further, a circulating valve and a sampling valve are fixedly arranged on the sampling operation box and a sampling pipeline in the tank body, and a backflow pipeline is connected between the sampling operation box and the tank body.
Further, in the sample operation incasement with be equipped with the liquid pump on the sample pipeline of the jar body, and be located sample pipeline is last to be close to weighing sensor and the fixed arbitrary some sample valve and/or the mixed appearance solenoid valve that is equipped with in top of with.
Furthermore, an overflow sensor and a metering pump are arranged on a sampling pipeline in the sampling operation box and the tank body, the overflow sensor, the metering pump and the weighing sensor are mutually interlocked, the overflow sensor and the metering pump or a retransmission sensor reach preset values, and the PLC acquires a signal to close the valve.
Compared with the prior art, the utility model has the beneficial effects that: through this device, the sample of any point can be realized to the sample in the storage tank, but the sample state of the interior each position of liquid of true reflection jar interior can be realized to the sample through the sample of any point in the jar, rather than through traditional upper, in, down, three points come the state of reflection jar interior liquid, can realize remote control through the sampling box outside the jar, the direction of sampling pipeline is washed, can realize the control of timing ration, the sample that makes the sample is more representative, can realize unmanned on duty through the use explosion proof machine of innovation as the power supply, can realize the sample of sampler any point under the jar.
Drawings
FIG. 1 is an overall block diagram of the present invention;
FIG. 2 is an overall flow framework diagram of the present invention;
FIG. 3 is a schematic of a sampling flow of the present invention;
FIG. 4 is a schematic plane view of the servo motor, reducer and winch of the present invention;
FIG. 5 is a schematic plan view of a sampling tube through the wall connection of the present invention;
FIG. 6 is a schematic cross-sectional view of a sampling tube through a can wall connection of the present invention;
FIG. 7 is a schematic plan view of the industrial control system of the sampling control box of the present invention;
FIG. 8 is a schematic view of a portion of the industrial control plane of the sampling control box of the present invention;
fig. 9 is a partially enlarged schematic view of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person skilled in the art without making creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.
As shown in fig. 1-9, a sampling device for an aviation kerosene storage tank comprises a tank body 1, and is characterized in that: still including being located assembly pulley 2 and the wire winding wheel 3 that set up on the jar body 1, the fixed servo explosion proof machine 4 that is equipped with on the jar body 1, servo explosion proof machine 4 is connected with the speed reducer, and the output of speed reducer is connected with hoist wheel 2, the trompil of 1 top relevant position of the jar body, wire rope stretch into in the jar along assembly pulley 2 until storage tank bottom jar downsampler top, set up the floating frame 5 in the jar body 1, floating frame 5 and prefabricated wire rope cableway fixed connection, just floating frame 5 is located the bottom of the jar body 1 is located the 1 outside of the jar body is equipped with sample operation case 6, sample operation case 6 with be equipped with the sample pipeline between the downsampler under the jar in the jar body 1.
In order to facilitate the sampling operation in a use state, a position control mechanism consisting of a rope winder and a servo motor is arranged on the tank body, the servo explosion-proof motor controls a steel wire rope to serve as a power source of the under-tank sampler, and the under-tank sampler can be driven to move up and down.
In order to facilitate the liquid in the tank body to be extracted, weighed and sampled by the liquid pump in the using state, the further preferable embodiment of the utility model is that a sampling pipeline arranged in the tank body 1 is arranged along the tank downsampler at the bottom of the tank body 1, a sample inlet pipe orifice is arranged at the top end of the tank downsampler, and a sample outlet pipe orifice extends out of the tank from an opening of the tank wall and enters the sampling operation box 6.
In order to facilitate the control of the liquid backflow in the tank body in the use state, a further preferred embodiment of the present invention is that a stop valve is arranged between the tank body 1 and the sampling operation box 6, the stop valve can stop the liquid entering the sampling operation box 6, and the stop valve of the sampling operation box 6 is closed when the sampling operation box 6 needs to be disconnected from the tank body 1.
In order to facilitate real-time detection under the use state through the control of the PLC controller, the sampling operation box 6 is controlled by the PLC controller to display the oil temperature passing through the sampling pipeline in real time.
In order to weigh the liquid in the tank body in different modes (mixed sample and any point sample) in a using state, a further preferred embodiment of the utility model is that a weighing sensor is arranged in the sampling operation box 6 and is electrically connected with the PLC. In order to facilitate that the liquid pumped by the liquid pump can flow back into the tank body in the using state, a circulating valve and a sampling valve are fixedly arranged on the sampling operation box 6 and the sampling pipeline in the tank body 1, and a return pipeline is connected between the sampling operation box 6 and the tank body 1.
In order to facilitate in the user state, be equipped with the liquid pump in the sample operation case 6 with the sample pipeline of jar body 1, and be located sample pipeline on close to weighing sensor and the top fixed arbitrary a little sampling valve and/or the mixed appearance solenoid valve that is equipped with.
In order to effectively control the effect of pumping liquid and realizing quantitative sampling, a further preferable embodiment of the utility model is that an overflow sensor and a metering pump are arranged on a sampling pipeline between the sampling operation box 6 and the tank body 1, the overflow sensor, the metering pump and a weighing sensor are mutually interlocked, the overflow sensor, the metering pump or a retransmission sensor reaches a preset value, and a PLC acquires a signal to close a valve.
A sampling method for an aviation kerosene storage tank is characterized in that a sampling operation box is controlled by a PLC (programmable logic controller), the oil temperature of a sampling pipeline, the sampling weight of any point, the real-time weight of mixed sampling of an upper point, a middle point and a lower point, the real-time height of a liquid level and the position of a current sampling point are displayed in real time, the circulating time length and the backwashing time length of a sample are set, and remote sampling control can be carried out through a remote module;
when sampling is needed, the sampling position, the sampling quality, the cycle time and whether mixed sampling or any point sampling are set by operating the liquid level height displayed by the control panel through the sampling operation box 6;
after the setting is finished, the sampling operation box 6 controls the under-tank sampler to move through the servo explosion-proof motor 3 arranged on the installation tank, when the under-tank sampler moves to a set position, the liquid pump starts to work, the sample in the pipeline starts to circulate, and forward circulation or reverse flushing can be observed through a sight glass;
when the set time is reached, the electromagnetic valve is opened, sampling is started, and after the sampling is finished, the electromagnetic valve is restored to the initial position through the set tank down-sampler;
the outside stop valve of sampling box that sets up can cut off the liquid that gets into the control box, can close the outside stop valve of control box when the control box need break off with jar be connected of the body, can break off the control box.
As shown in the table I below, the automatic sampling and pump, valve position logic table, the sampling port of the tank body reaches the set depth, and the sampling operation box 6 positioned outside the tank body enters the circulation, sampling and backwashing recovery flow
Watch 1
As shown in figure 2, the utility model realizes two circulation flows through the PLC, one is MB major circulation, the other is MF minor circulation, the utility model can simultaneously realize the upper part, the middle part and the lower part of the sample, the mixed sample (upper part, middle part and lower part) and the bottom sample of the tank body in the tank body through the PLC, the utility model realizes the full-automatic sampling operation through the PLC, the servo control motor works, the sampling port of the tank body reaches the set depth, and the sampling operation box 6 positioned outside the tank body enters the circulation, sampling and backwashing recovery flows.
As shown in fig. 1, a sampling tube integrated with the telescopic frame is fixedly arranged on the floating frame (telescopic frame).
As shown in fig. 2, two inlet filters connected in parallel are arranged at the connection position of the sample inlet and the sampling operation box, and the two inlet filters are connected through a three-way ball valve and a manual switching filter.
As shown in fig. 4, the steel wire rope is arranged on the winding machine in a single-layer winding manner, the winding drum of the winding machine is provided with a fixing groove, and the winding machine is fixedly provided with a wire arranging device.
As shown in figure 5, the utility model is operated by a mode that an original bottom sampling tube penetrates through the tank wall, the left end of the original bottom sampling tube is connected with the telescopic frame sampling tube at the extending position, the bottom of the right end is connected with an original bottom sampling pipeline, and as shown in figure 5, the right end of the original bottom sampling tube is connected with the outlet of a circulating pump in a sampling operation box.
The working principle is as follows: a hole is formed in the corresponding position of the top of the storage tank, and the steel wire rope extends into the tank until the top end of the sampler below the tank at the bottom of the storage tank; a set of expansion bracket with the gravity larger than the buoyancy is arranged in the tank, can move up and down along the prefabricated steel wire rope cableway, and is arranged at the bottom end of the tank body when the sampling is not carried out; a position control mechanism consisting of a rope winder and a servo motor is arranged on the tank, and the servo explosion-proof motor controls a steel wire rope to serve as a power source of the tank down-sampler, so that the up-and-down motion of the tank down-sampler can be driven; the sampling pipeline is arranged along the tank downsampler, the sampling pipe port is arranged at the top end of the tank downsampler, and the sample outlet pipe port extends out of the tank from the opening of the tank wall and enters the sampling operation box.
The utility model can realize the sampling of any point of the under-tank sampler by innovatively using the explosion-proof motor as a power source; the sampling can be carried out at any point in a fixed time and a fixed quantity by the PLC control of the sampling box; the forward and backward flushing of the pipeline can be realized through PLC control; the sampling amount can be controlled by a weight sensor controlled by a PLC.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present specification describes embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and it is to be understood that all embodiments may be combined as appropriate by one of ordinary skill in the art to form other embodiments as will be apparent to those of skill in the art from the description herein.
Claims (9)
1. The utility model provides a sampling device for aviation kerosene storage tank, includes jar body (1), its characterized in that: still including being located assembly pulley (2) and wire arranging wheel (3) that set up on the jar body (1), fixed servo explosion proof machine (4) that are equipped with on the jar body (1), servo explosion proof machine (4) are connected with the speed reducer, and the output and the hoist wheel of speed reducer are connected, jar body (1) top relevant position trompil, wire rope stretch into jar along assembly pulley (2) and go into jar interior until storage tank bottom jar sample thief top, set up in the jar body (1) and float frame (5), float frame (5) and prefabricated wire rope cableway fixed connection, just float frame (5) and be located the bottom of the jar body (1) is located the jar body (1) outside is equipped with sample operation case (6), sample operation case (6) with be equipped with the sample pipeline between the jar in the jar body sample thief (1).
2. A sampling device for an aviation kerosene storage tank according to claim 1, wherein: the floating frame (5) is an expansion frame with gravity larger than buoyancy, the expansion frame can move up and down along a prefabricated steel wire rope cableway, and the expansion frame is arranged at the bottom end of the tank body (1).
3. A sampling device for an aviation kerosene tank as claimed in claim 1, wherein: and the sampling pipeline positioned in the tank body (1) is arranged along the tank bottom downsampler of the tank body (1), the sampling pipe opening is positioned at the top end of the tank downsampler, and the sampling pipe opening extends out of the tank from the opening of the tank wall to enter the sampling operation box (6).
4. A sampling device for an aviation kerosene storage tank according to claim 1, wherein: the stop valve that sets up between jar body (1) and sample control box (6) can stop the liquid that gets into sample control box (6), when sample control box (6) need break off with the stop valve of sample control box (6) is closed during the connection of the jar body (1).
5. A sampling device for an aviation kerosene storage tank according to claim 1, wherein: the sampling operation box (6) is controlled by a PLC controller, and displays the oil temperature passing through a sampling pipeline in real time.
6. A sampling device for aviation kerosene storage tanks, according to claim 5, wherein: and a weighing sensor is arranged in the sampling operation box (6), and the weighing sensor is electrically connected with the PLC.
7. A sampling device for an aviation kerosene storage tank according to claim 6, wherein: the sampling operation box (6) and a sampling pipeline in the tank body (1) are fixedly provided with a circulating valve and a sampling valve, and are positioned between the sampling operation box (6) and the tank body (1) and connected with a return pipeline.
8. A sampling device for an aviation kerosene storage tank according to claim 7, wherein: the sampling operation box (6) is internally provided with a liquid pump on a sampling pipeline of the tank body (1), and is positioned above a near weighing sensor on the sampling pipeline, and any point sampling valve and/or a mixed sample electromagnetic valve are/is fixedly arranged.
9. A sampling device for an aviation kerosene storage tank according to claim 8, wherein: and an overflow sensor and a metering pump are arranged in the sampling operation box (6) and on a sampling pipeline of the tank body (1), the overflow sensor, the metering pump and the weighing sensor are mutually interlocked, the overflow sensor and the metering pump or a retransmission sensor reach preset values, and a PLC (programmable logic controller) acquires signals to close the valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220333751.5U CN217033150U (en) | 2022-02-18 | 2022-02-18 | Sampling device for aviation kerosene storage tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220333751.5U CN217033150U (en) | 2022-02-18 | 2022-02-18 | Sampling device for aviation kerosene storage tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217033150U true CN217033150U (en) | 2022-07-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220333751.5U Active CN217033150U (en) | 2022-02-18 | 2022-02-18 | Sampling device for aviation kerosene storage tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217033150U (en) |
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2022
- 2022-02-18 CN CN202220333751.5U patent/CN217033150U/en active Active
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