CN201222013Y - Apparatus for automatically sampling storage liquid - Google Patents
Apparatus for automatically sampling storage liquid Download PDFInfo
- Publication number
- CN201222013Y CN201222013Y CNU2008201260148U CN200820126014U CN201222013Y CN 201222013 Y CN201222013 Y CN 201222013Y CN U2008201260148 U CNU2008201260148 U CN U2008201260148U CN 200820126014 U CN200820126014 U CN 200820126014U CN 201222013 Y CN201222013 Y CN 201222013Y
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- Prior art keywords
- expansion bracket
- valve
- sampling
- keg float
- basin
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Abstract
The utility model provides a storage tank liquid automatic sampling device, which comprises an expansion bracket and an operation tank, wherein the expansion bracket is arranged in the storage tank, the operation tank is arranged outside the storage tank, a floater is arranged above the expansion bracket, the bottom portion of the expansion bracket is equipped with a base, a pipeline and a sampling nozzle are arranged on the expansion bracket, a recycle pump, a recycle pipeline and a sampling valve are arranged in the operation tank, the sampling nozzle is connected with the recycle pipeline in the operation tank through the pipeline, the floater is a pot-type keg float, two vertical steel ropes which are fixed between the top and the bottom of the pot are respectively arranged at the position approaching two lateral portions of the expansion bracket, the two steel ropes are parallel, two ends of the keg float are sleeved on the steel ropes through pull rings on the two ends and enable the keg float to move up and down relatively with the steel ropes, a supporting rod which is perpendicular to the steel rope is arranged between the keg float and the base, the supporting rod is connected with the expansion bracket and enables the expansion bracket to move up and down relatively with the steel ropes, thereby effectively limiting the expansion bracket to twist and rotate. The utility model has the advantages of sampling accurately, is completely suitable for collecting samples of storage liquid petroleum products and middle products in all types of oil tanks in petrol and chemical enterprises.
Description
Technical field
The utility model relates to a kind of fluid sampling device, particularly a kind of basin liquid automatic sampling device that is applied to the sample collecting of the liquid petroleum product stored in oil and all kinds of oil tanks of chemical enterprise and intermediate product.
Background technology
At present, what petrochemical enterprise in China was generally carried out is ISO3170 (GB/T4756-1998) " the manual sampling method of petroleum liquid product " sampling standard, and the enterprise of the whole nation more than 95% takes the manual mode sampling according to incompletely statistics.Its sampling work not only is subjected to many Effect of Environmental, and working strength is big, more be unfavorable for sampling accurately, exist very big potential safety hazard equally.There is the people to design a kind of automatic sampling device based on this, as patent publication No. is that CN2537677Y, name are called the utility model patent of " basin fluid sampling device ", a kind of device with automatic sampled functions is provided, comprise expansion bracket and the outside control box be located in the basin, the top of expansion bracket is provided with that ball float, expansion bracket are provided with the sampling mouth, the expansion bracket bottom is provided with base, the sampling mouth connects sampling pipe and stretches into control box, is provided with ebullator, circulation line and sample valve in the control box.Though the sampler of this structure has solved the problem of sampling of diverse location, because expansion bracket lacks necessary stationary installation, there are swing and distortion in actual the use, caused the inaccurate of sampling; Need special spool in addition in the control box, so inner structure is complicated, is unfavorable for marketing.
Summary of the invention
The purpose of this utility model is the defective at above-mentioned prior art, a kind of basin fluid sampling device is provided, the stationary installation that has the distortion of restriction expansion bracket and rotate, has the advantage accurately of taking a sample, the inner structure that adopts gas, hydraulic control valve of control box has advantage simple in structure, as to make things convenient for marketing in addition.
The technical scheme taked of the utility model is to achieve these goals: a kind of basin liquid automatic sampling device, comprise expansion bracket and the outside control box be located in the basin, the top of expansion bracket is provided with float, the expansion bracket bottom is provided with base, expansion bracket is provided with pipeline and sampling mouth, be provided with ebullator in the control box, circulation line and sample valve, the sampling mouth links to each other with circulation line in the control box by pipeline, described float is the keg float of pot type, respectively be provided with one near described expansion bracket both sides and be fixed on tank deck and the vertical steel cable at jar end, two steel cables are parallel shape, described keg float two ends are socketed on the steel cable by the draw ring on it and the relative steel cable of keg float are moved up and down, be provided with the support bar of vertical steel cable between described keg float and the base, support bar links to each other with described expansion bracket and its relative steel cable is moved up and down.Therefore effectively distortion of restriction expansion bracket and rotation makes sampling accurately.
For under the prerequisite that satisfies according to ISO3170 (GB/T4756-1998) " the manual sampling method of petroleum liquid product " standard sampling, further reach the purpose of the inner structure of the case that simplifies the operation, the sampling mouth that described expansion bracket is provided with comprises four at least, from top to bottom is respectively four sampling mouths that are positioned at basin liquid top 150mm place, its degree of depth 1/2 place, liquid taking port place and liquid bottom surface; Ebullator in the described control box is an air driven pump, described circulation line comprises and sampling corresponding four sample lines of mouth and a return line that sample valve comprises two hand valves, five ball valves, nine retaining valves, four threeway Pneumatic valves and a two position three way directional control valve; Wherein, ball valve input end in the sample lines attended operation case of sampling mouth by separately, connect threeway Pneumatic valve input end, connect retaining valve and the four-way input end to air driven pump through the output terminal of threeway Pneumatic valve again through the ball valve output terminal, input end, two position three way directional control valve first that pneumatic delivery side of pump connects two position three way directional control valve connects return line, retaining valve and ball valve and stretches into described basin inside, two position three way directional control valve second and connect liquid outlet; Hand valve output terminal and threeway Pneumatic valve and air driven pump also connect, and are provided with retaining valve and linker between hand valve and the air driven pump.Therefore has advantage simple in structure, as to make things convenient for marketing.
The beneficial effects of the utility model are: compared to existing technology, a kind of basin fluid sampling device of the utility model, the stationary installation that adopts steel cable and support bar to form has effectively limited expansion bracket distortion and rotation, has the advantage accurately of taking a sample; The inner circulation line that adopts gas, hydraulic control valve to form of control box has advantage simple in structure, as to make things convenient for marketing in addition.
Description of drawings
Fig. 1 is an one-piece construction synoptic diagram of the present utility model;
Fig. 2 is the utility model structure principle chart.
Among the figure: 1 hand valve, 1.11,1.12,1.21, the 1.22 hand valve position of the switch, 2 threeway Pneumatic valves, 3 ball valves, 4 two position three way directional control valves, 5 air driven pumps, 6 liquid outlets, 7 four-ways, 8 retaining valves, 9 linkers, 10 control boxs, 11 sample lines, 12 return lines, 20 keg floats, 21.1,21.2,21.3,21.4 the sampling mouths, 22 expansion brackets, 23 support bars, 24 steel cables, 25 bases, 30 basins.
Embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments, but not as to qualification of the present utility model.
A kind of basin 30 liquid automatic sampling devices shown in Fig. 1-2 comprise expansion bracket 22 and the outside control box 10 be located in the basin 30.The top of expansion bracket 22 is provided with that float, expansion bracket 22 bottoms are provided with base 25, expansion bracket 22 is provided with pipeline and sampling mouth.Described float can be the object that ball float, keg float etc. can be floating, and in the present embodiment is that what to adopt is the keg float 20 of pot type.Press ISO3170 (GB/T4756-1998) " the manual sampling method of petroleum liquid product " standard, the sampling mouth that described expansion bracket 22 is provided with comprises four at least, from top to bottom is respectively the sampling mouth 21.1 that is positioned at basin 30 liquid top 150mm places, the sampling mouth 21.2 at its degree of depth 1/2 place, the sampling mouth 21.3 at liquid taking port place and the sampling mouth 21.4 of liquid bottom surface.Expansion bracket 22 is the engineer's scale linkage assembly, and the sampling mouth is no matter how the reserves of liquid change in the basin 30, just no matter how liquid level changes the constant rate between them.Make sampling accurately in order to limit expansion bracket 22 distortions and to rotate, be provided with stationary installation in the described basin 30.Described stationary installation is: respectively be provided with a vertical steel cable 24 near described expansion bracket 22 both sides, between basin 30 tops that two steel cables 24 are fixed on and the bottom and be parallel shape, described keg float 20 two ends are socketed on the steel cable 24 by the draw ring on it and keg float 20 relative steel cables 24 are moved up and down, be provided with the support bar 23 of vertical steel cable 24 between described keg float 20 and the base 25, support bar 23 passes described expansion bracket 22 and links to each other with steel cable 24 by draw ring, and its relative steel cable 24 is moved up and down.According to the degree of depth of basin 30, a plurality of support bars 23 can be set.
Referring to Fig. 2, be provided with ebullator, circulation line and sample valve in the control box 10, the sampling mouth links to each other by the circulation line in pipeline and the control box 10.Ebullator in the described control box 10 is an air driven pump 5.Described circulation line comprises and sampling corresponding four sample lines 11 of mouth 21.1-21.4 and a return line 12.Sample valve comprises two hand valves 1, five ball valves 3, nine retaining valves 8, four threeway Pneumatic valves 2 and two position three way directional control valves 4.
Referring to Fig. 2, wherein, two hand valves 1 are respectively equipped with 1.11,1.12,1.21,1.22 four position of the switch, and described 1.11,1.12,1.21,1.22 four position of the switch are corresponding one by one with sampling mouth 21.1,21.2,21.3,21.4 respectively.Sampling mouth 21.1,21.2,21.3,21.4 is ball valve 3 input ends in the 11 attended operation casees 10 of the sample lines by separately respectively, connect threeway Pneumatic valve 2 input ends, connect retaining valve 8 and four-way 7 input end to air driven pump 5 through the output terminal of threeway Pneumatic valve 2 again through ball valve 3 output terminals.The output terminal of air driven pump 5 connects the input end of two position three way directional control valve 4, first second connection liquid outlet 6 that connects return line 12, retaining valve 8 and ball valve 3 and stretch into described basin 30 inside, two position three way directional control valve 4 output terminals of two position three way directional control valve 4 output terminals.The output terminal 1 of hand valve and threeway Pneumatic valve 2 and air driven pump 5 also connect, and are provided with retaining valve 8 and linker 9 between hand valve 1 and the air driven pump 5.Because therefore the control box 10 inner circulation lines that adopt standard components such as gas, hydraulic control valve to form have advantage simple in structure, as to make things convenient for marketing.
The control box 10 of described sampler is stainless steel case or the ordinary steel case that has laminated heat-preserving, can also be provided with the hot system of self-adjoint in the case, especially is fit to the north and uses.
Principle of work of the present utility model: under the normality, ball valve 3 is in normally open, and other valves, pump are in closed condition.With sampling mouth 21.1 is the example explanation: 1.11 switch bit of moving hand valve 1, connect source of the gas, source of the gas and then connection threeway Pneumatic valve 2 and air driven pump 5, extract liquid with the sample lines 11 that sampling mouth 21.1 links to each other this moment under the effect of air driven pump 5, other sample lines are in closed condition, the liquid at sampling mouth 21.1 places is along ball valve 3, threeway Pneumatic valve 2, retaining valve 8, four-way 7 is to the input end of air driven pump 5, again by the output terminal of air driven pump 5 through two position three way directional control valve 4, return line 12 is to basin 30 interior certain hours, rotate two position three way directional control valve 4, close return line 12 and open liquid outlet 6 sample liquid and flow out, the sampling of two position three way directional control valve 4 repositions stops, and liquid returns in the basin 30.
The utility model be according to ISO3170 (GB/T4756-1998) standard design the regulation the sample position on, thereby the accuracy and the repeatability of sampling have been guaranteed, the sample that takes out can truly reflect the quality condition of jar interior medium, and sample representativeness is strong, has the advantage accurately of taking a sample; The sampling of described sampler only needs a few minutes, need not to ascend a height, and need not successively to extract behind the sample mixed, can save time, and alleviates sampling person's labour intensity, has fast and convenient advantage; After described sampler was installed, the operator both need not climb hanging ladder, need not help operating personnel's safety and health near containing the higher tank deck sampling of harmful gas, particularly H 2 S-containing gas again, had safe and reliable advantage; Described sampler all seals, and is free from environmental pollution, do not have the trouble of artificial sampling cleaning apparatus, avoids oil pollution and waste, has the advantage of environmental protection consumption reduction; Also have structure small and exquisite, simple advantage is installed.
Above-described embodiment, the utility model embodiment a kind of more preferably just, the common variation that those skilled in the art carries out in the technical solutions of the utility model scope and replacing all should be included in the protection domain of the present utility model.
Claims (2)
1. basin liquid automatic sampling device, comprise expansion bracket and the outside control box be located in the basin, the top of expansion bracket is provided with float, the expansion bracket bottom is provided with base, expansion bracket is provided with pipeline and sampling mouth, be provided with ebullator in the control box, circulation line and sample valve, the sampling mouth links to each other with circulation line in the control box by pipeline, it is characterized in that: described float is the keg float of pot type, respectively be provided with one near described expansion bracket both sides and be fixed on tank deck and the vertical steel cable at jar end, two steel cables are parallel shape, described keg float two ends are socketed on the steel cable by the draw ring on it and the relative steel cable of keg float are moved up and down, be provided with the support bar of vertical steel cable between described keg float and the base, support bar links to each other with described expansion bracket and its relative steel cable is moved up and down.
2. basin liquid automatic sampling device according to claim 1, it is characterized in that: the sampling mouth that described expansion bracket is provided with comprises four at least, from top to bottom is respectively four sampling mouths that are positioned at basin liquid top 150mm place, its degree of depth 1/2 place, liquid taking port place and liquid bottom surface;
Ebullator in the described control box is an air driven pump, described circulation line comprises and sampling corresponding four sample lines of mouth and a return line that sample valve comprises two hand valves, five ball valves, nine retaining valves, four threeway Pneumatic valves and a two position three way directional control valve;
Wherein, ball valve input end in the sample lines attended operation case of sampling mouth by separately, connect threeway Pneumatic valve input end, connect retaining valve and the four-way input end to air driven pump through the output terminal of threeway Pneumatic valve again through the ball valve output terminal, input end, two position three way directional control valve first that pneumatic delivery side of pump connects two position three way directional control valve connects return line, retaining valve and ball valve and stretches into described basin inside, two position three way directional control valve second and connect liquid outlet;
Hand valve output terminal and threeway Pneumatic valve and air driven pump also connect, and are provided with retaining valve and linker between hand valve and the air driven pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201260148U CN201222013Y (en) | 2008-06-19 | 2008-06-19 | Apparatus for automatically sampling storage liquid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201260148U CN201222013Y (en) | 2008-06-19 | 2008-06-19 | Apparatus for automatically sampling storage liquid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201222013Y true CN201222013Y (en) | 2009-04-15 |
Family
ID=40575519
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201260148U Expired - Lifetime CN201222013Y (en) | 2008-06-19 | 2008-06-19 | Apparatus for automatically sampling storage liquid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201222013Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102519756A (en) * | 2012-01-09 | 2012-06-27 | 安徽理工大学 | Telescopic water sampler |
| CN105806664A (en) * | 2014-12-29 | 2016-07-27 | 河北珠峰仪器仪表设备有限公司 | Oil storage tank sampling device capable of achieving equal proportion locating function |
| CN110274789A (en) * | 2019-06-25 | 2019-09-24 | 海南汉地阳光石油化工有限公司 | A kind of oil storage tank oil sampling device |
| CN112665910A (en) * | 2019-10-16 | 2021-04-16 | 抚顺市博瑞特科技有限公司 | Petrochemical industry liquid storage tank gasbag formula floating block sampling device |
| CN118408787A (en) * | 2024-06-27 | 2024-07-30 | 绍兴市上虞区水务环境检测有限公司 | Water sample collection and real-time monitoring device |
-
2008
- 2008-06-19 CN CNU2008201260148U patent/CN201222013Y/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102519756A (en) * | 2012-01-09 | 2012-06-27 | 安徽理工大学 | Telescopic water sampler |
| CN102519756B (en) * | 2012-01-09 | 2013-08-14 | 安徽理工大学 | Telescopic water sampler |
| CN105806664A (en) * | 2014-12-29 | 2016-07-27 | 河北珠峰仪器仪表设备有限公司 | Oil storage tank sampling device capable of achieving equal proportion locating function |
| CN105806664B (en) * | 2014-12-29 | 2018-10-30 | 河北珠峰仪器仪表设备有限公司 | A kind of oil storage tank sampling apparatus that can realize equal proportion positioning |
| CN110274789A (en) * | 2019-06-25 | 2019-09-24 | 海南汉地阳光石油化工有限公司 | A kind of oil storage tank oil sampling device |
| CN110274789B (en) * | 2019-06-25 | 2021-10-22 | 海南汉地阳光石油化工有限公司 | Oil storage tank oil sampling device |
| CN112665910A (en) * | 2019-10-16 | 2021-04-16 | 抚顺市博瑞特科技有限公司 | Petrochemical industry liquid storage tank gasbag formula floating block sampling device |
| CN112665910B (en) * | 2019-10-16 | 2024-04-19 | 抚顺市博瑞特科技有限公司 | Petrochemical industry liquid storage tank gasbag formula kicking block sampling device |
| CN118408787A (en) * | 2024-06-27 | 2024-07-30 | 绍兴市上虞区水务环境检测有限公司 | Water sample collection and real-time monitoring device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090415 |