CN109060443A - A kind of Tank up-sampler - Google Patents
A kind of Tank up-sampler Download PDFInfo
- Publication number
- CN109060443A CN109060443A CN201811237000.8A CN201811237000A CN109060443A CN 109060443 A CN109060443 A CN 109060443A CN 201811237000 A CN201811237000 A CN 201811237000A CN 109060443 A CN109060443 A CN 109060443A
- Authority
- CN
- China
- Prior art keywords
- sampling
- pump
- tank
- storage tank
- piston
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
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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
- G01N2001/1445—Overpressure, pressurisation at sampling point
- G01N2001/1454—Positive displacement, piston
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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 discloses a kind of Tank up-samplers, including servo motor, sampling apparatus and sampled-data control system;Infrared distance sensor is provided at the storage tank sampling mouth;The shaft of servo motor is located above storage tank sampling mouth;The sampling apparatus includes sampling pipe and piston pump;Sampling pipe is surrounded in the shaft of servo motor, and one end is connected with the injection port of piston pump, and the sampling pipe other end is protruded into storage tank by the storage tank sampling mouth;Servo motor, piston pump and infrared distance sensor pass through control signal wire and are connected with sampled-data control system.Sampler under tank of the invention, the degree of automation is higher, automatically controls sampling height, sampling amount and sampling interval time, has grab sampling in tank, and any point sampling may be implemented;And the measurement that collects of sample is to carry out in the closed state, it is free from environmental pollution without spilling water clock when sampling, oil pollution and waste are avoided, realizes the online of sample, safety and accurate detection.
Description
Technical field
The present invention relates to technical field of petrochemical industry, more particularly to a kind of Tank up-sampler.
Background technique
It, must be in time to storage tank institute liquid storage in order to obtain the performance parameter of medium in storage tank in petrochemical production process
Body is sampled chemical examination;Currently, petrochemical enterprise in China executes ISO3170 (GB/T4756-1998), " petroleum liquid product takes by hand
Sample method " sampling standard, using manual mode of operation, staff needs to climb at tank top sample tap, and sample bucket is put into
Tank body predetermined position is sampled, and such sampling mode has the following deficiencies: that (1) is time-consuming and laborious, considerably increases operation people
The labor intensity of member, and also there is certain risk, especially bad weather to bring more greatly to worker's operation for operation of climbing
Difficulty, and the volatilization of field harmful gas can threaten the personal safety of operating personnel;(2) manual sampling need to descend every time dipstick metering to take
Liquid level, operating personnel can not grasp weight and go deep into height below pasta, greatly reduce the levels of precision of sampling metering.
Summary of the invention
The purpose of the present invention is to solve the above the deficiencies in the prior art, propose a kind of Tank up-sampler, including
Servo motor, sampling apparatus and sampled-data control system;Infrared distance sensor is provided at the storage tank sampling mouth;Described watches
The shaft for taking motor is located above storage tank sampling mouth;The sampling apparatus includes sampling pipe and piston pump;The sampling pipe is surround
In in the shaft of servo motor, one end is connected with the injection port of piston pump, and the sampling pipe other end passes through the storage tank sampling
Mouth protrudes into storage tank;
Servo motor, piston pump and the infrared distance sensor passes through control signal wire and sampled-data control system phase
Even.
For more convenient and accurately sampling, the piston pump include the tubular type pump housing, pump piston and driving pump piston do it is past
The driving mechanism moved again;The pump piston is located in the tubular type pump housing, and pump piston and the tubular type pump housing form working chamber, the work
It is intracavitary to be equipped with injection port and nesting port;The driving mechanism includes T-type piston rod and is set to the external turntable of tubing pump;Institute
The free end of the horizon bar for the T-type piston rod stated passes through tubing pump body sidewall and is connected with pump piston, the horizon bar and tubular type
Sliding sleeve is provided between pump housing side wall, the horizon bar of T-type piston rod can slidably reciprocate relative to sliding sleeve, T-type piston rod it is vertical
Pole length side sets up sliding slot, and a slide-bar is provided on the turntable, and the sliding slot is placed on the slide-bar on turntable;Institute
The turntable stated is driven by driving motor.
Preferably, the indicator water gage being connected with sampled-data control system is equipped in the storage tank.
Preferably, the end that the sampling pipe protrudes into storage tank is connected with weight.
Preferably, the sampling pipe is 316L stainless steel metal material.
Beneficial effects of the present invention are as follows:
(1) sampler under tank of the invention, the degree of automation is higher, automatically controls sampling height, sampling amount and sampling
Interval time has grab sampling in tank, and any point sampling may be implemented, and sample is missed in tank inner height position and physical location
Difference is less than 0.1mm, provides accurately sample data to chemical examination.
(2) measurement that collects of sample is to carry out in the closed state, free from environmental pollution without spilling water clock when sampling,
The trouble for eliminating necessary cleaning apparatus under artificial sample mode, avoids oil pollution and waste, realizes online, the peace of sample
Complete and accurate detection.
(3) piston pump structure design is rationally simple, and piston pump and control system cooperation can accurately control sampling volume,
The sample for ensuring to produce is the sample at set depth and position, provides the user with true sample data;And piston pump is transported
Row is steady, has 600mm/Hg vacuum capability, provides convenience for Liquid extracting.
(4) tank cleaning work is reduced, creates economic benefit for enterprise.
Detailed description of the invention
Fig. 1 is a kind of Tank up-sampler structural schematic diagram in the present invention;
Fig. 2 is the piston pump structure schematic diagram in the present invention;
In figure, 1- sampling pipe, 11- weight, 2- servo motor, 21- shaft, 3- piston pump, the 31- tubular type pump housing, 32- driving
Mechanism, 321-T type piston rod, 3211- horizon bar, 3212- sliding slot, 322- turntable, 3220- slide-bar, 33- pump piston, 34- work
Chamber, 341- injection port, 342- nesting port, 35- sliding sleeve, 4- sampled-data control system, 41- control signal wire, 5- infrared distance measurement sensing
Device, 6- indicator water gage.
Specific embodiment
In order to deepen the understanding of the present invention, below in conjunction with embodiment and attached drawing, the invention will be further described, should
The examples are only for explaining the invention, is not intended to limit the scope of the present invention..
Refering to fig. 1-2, the invention proposes a kind of Tank up-samplers, including servo motor 2, sampling apparatus and sampling
Control system 4;Infrared distance sensor 5 is provided at the storage tank sampling mouth;
The shaft 21 of the servo motor 2 is located above storage tank sampling mouth;The sampling apparatus includes sampling pipe 1 and lives
Plug pump 3;The sampling pipe 1 is surrounded in the shaft 21 of servo motor 2, and one end is connected with the injection port 341 of piston pump 3, described
1 other end of sampling pipe is protruded into storage tank by the storage tank sampling mouth;When servo motor 2 rotates, can be carried out to sampling pipe 1 is put
Folding and unfolding.
Servo motor 2, piston pump 3 and the infrared distance sensor 5 passes through control signal wire 41 and controlling of sampling
System 4 is connected.
In the above-mentioned technical solutions, the piston pump 3 is done past including the tubular type pump housing 31, pump piston 33 and driving pump piston 33
The driving mechanism 32 moved again;The pump piston 33 is located in the tubular type pump housing 31, and pump piston 33 and the tubular type pump housing 31 form work
Chamber 34, the working chamber 34 is interior to be equipped with injection port 341 and nesting port 342;The driving mechanism 32 includes T-type piston rod 321
With the turntable 322 being set to outside the tubular type pump housing 31;The free end of the horizon bar 3211 of the T-type piston rod 321 passes through tubular type
31 side wall of the pump housing is connected with pump piston 33, is provided with sliding sleeve 35, T-type between 31 side wall of the horizon bar 3211 and the tubular type pump housing
The horizon bar 3211 of piston rod 321 can slidably reciprocate relative to sliding sleeve 35, set on the vertical bar lengths direction of T-type piston rod 321
Sliding slot 3212 is set, a slide-bar 3220 is provided on the turntable 322, the sliding slot 3212 is placed on the slide-bar on turntable 322
On 3220;The turntable 322 is driven by driving motor.
In the above-mentioned technical solutions, the indicator water gage 6 being connected with sampled-data control system 4 is equipped in the storage tank.
In the above-mentioned technical solutions, the end that the sampling pipe 1 protrudes into storage tank is connected with weight 11.
In the above-mentioned technical solutions, the sampling pipe 1 is 316L stainless steel metal material.
Sampler is received sampling pipe nozzle to thief hatch, before use, open servo motor when needing to sample upwards
When, infrared distance sensor 5 monitors the distance of sampling pipe nozzle decline, when the distance of decline is equal with setting sampling depth,
Data-signal is passed to sampled-data control system 4 by infrared distance sensor 5, and sampled-data control system 4 controls the stopping of servo motor 2 again
Work, sampled-data control system 4 controls piston pump 3 and extracts sample out at this time, completes a sampling process.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (5)
1. a kind of Tank up-sampler, which is characterized in that including servo motor, sampling apparatus and sampled-data control system;It is described
Infrared distance sensor is provided at storage tank sampling mouth;The shaft of the servo motor is located above storage tank sampling mouth;It is described
Sampling apparatus includes sampling pipe and piston pump;The sampling pipe is surrounded in the shaft of servo motor, one end and piston pump into
Sample mouth is connected, and the sampling pipe other end is protruded into storage tank by the storage tank sampling mouth;
Servo motor, piston pump and the infrared distance sensor passes through control signal wire and is connected with sampled-data control system.
2. a kind of Tank up-sampler according to claim 1, which is characterized in that the piston pump includes tubing pump
The driving mechanism that body, pump piston and driving pump piston move reciprocatingly;The pump piston is located in the tubular type pump housing, pump piston and pipe
The formula pump housing forms working chamber, is equipped with injection port and nesting port in the working chamber;The driving mechanism include T-type piston rod and
It is set to the external turntable of tubing pump;The free end of the horizon bar of the T-type piston rod passes through tubing pump body sidewall and pump is lived
Plug is connected, and sliding sleeve is provided between the horizon bar and tubing pump body sidewall, the horizon bar of T-type piston rod can be relative to sliding sleeve
It slidably reciprocates, the vertical bar lengths side of T-type piston rod sets up sliding slot, and a slide-bar is provided on the turntable, described
Sliding slot is placed on the slide-bar on turntable;The turntable is driven by driving motor.
3. a kind of Tank up-sampler according to claim 1, which is characterized in that be equipped in the storage tank and controlled with sampling
The connected indicator water gage of system processed.
4. a kind of Tank up-sampler according to claim 1, which is characterized in that the sampling pipe protrudes into storage tank
End is connected with weight.
5. a kind of Tank up-sampler according to claim 1, which is characterized in that the sampling pipe is 316L stainless steel
Metal material.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811237000.8A CN109060443A (en) | 2018-10-23 | 2018-10-23 | A kind of Tank up-sampler |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811237000.8A CN109060443A (en) | 2018-10-23 | 2018-10-23 | A kind of Tank up-sampler |
Publications (1)
Publication Number | Publication Date |
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CN109060443A true CN109060443A (en) | 2018-12-21 |
Family
ID=64764303
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201811237000.8A Withdrawn CN109060443A (en) | 2018-10-23 | 2018-10-23 | A kind of Tank up-sampler |
Country Status (1)
Country | Link |
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CN (1) | CN109060443A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113295466A (en) * | 2021-05-20 | 2021-08-24 | 天津市安研应急技术中心 | Auxiliary device for detecting large storage tank |
CN114264517A (en) * | 2022-01-29 | 2022-04-01 | 抚顺市博瑞特科技有限公司 | Sampling device and sampling method on any point tank |
-
2018
- 2018-10-23 CN CN201811237000.8A patent/CN109060443A/en not_active Withdrawn
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113295466A (en) * | 2021-05-20 | 2021-08-24 | 天津市安研应急技术中心 | Auxiliary device for detecting large storage tank |
CN114264517A (en) * | 2022-01-29 | 2022-04-01 | 抚顺市博瑞特科技有限公司 | Sampling device and sampling method on any point tank |
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PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
WW01 | Invention patent application withdrawn after publication | ||
WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181221 |