CN202255559U - Liquid level detection device of high-corrosiveness liquid storage tank - Google Patents
Liquid level detection device of high-corrosiveness liquid storage tank Download PDFInfo
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- CN202255559U CN202255559U CN2011203505762U CN201120350576U CN202255559U CN 202255559 U CN202255559 U CN 202255559U CN 2011203505762 U CN2011203505762 U CN 2011203505762U CN 201120350576 U CN201120350576 U CN 201120350576U CN 202255559 U CN202255559 U CN 202255559U
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- float
- liquid level
- reflecting plate
- detection device
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- 239000007788 liquid Substances 0.000 title claims abstract description 78
- 238000001514 detection method Methods 0.000 title claims abstract description 35
- 239000000463 material Substances 0.000 claims description 41
- 230000007797 corrosion Effects 0.000 claims description 23
- 238000005260 corrosion Methods 0.000 claims description 23
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 15
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 6
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 6
- 239000012530 fluid Substances 0.000 claims 4
- 238000005259 measurement Methods 0.000 abstract description 9
- 238000006073 displacement reaction Methods 0.000 abstract description 2
- 230000007547 defect Effects 0.000 abstract 1
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 10
- 239000001117 sulphuric acid Substances 0.000 description 10
- 235000011149 sulphuric acid Nutrition 0.000 description 10
- 238000010586 diagram Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- SMKBSSHVLHIPLU-UHFFFAOYSA-N 3-acridin-10-ium-10-ylpropane-1-sulfonate Chemical compound C1=CC=C2[N+](CCCS(=O)(=O)[O-])=C(C=CC=C3)C3=CC2=C1 SMKBSSHVLHIPLU-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- GRWVQDDAKZFPFI-UHFFFAOYSA-H chromium(III) sulfate Chemical compound [Cr+3].[Cr+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O GRWVQDDAKZFPFI-UHFFFAOYSA-H 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- LGQLOGILCSXPEA-UHFFFAOYSA-L nickel sulfate Chemical compound [Ni+2].[O-]S([O-])(=O)=O LGQLOGILCSXPEA-UHFFFAOYSA-L 0.000 description 1
- 229910000363 nickel(II) sulfate Inorganic materials 0.000 description 1
- -1 strong aqua Chemical compound 0.000 description 1
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- Level Indicators Using A Float (AREA)
Abstract
The utility model discloses a liquid level detection device of a high-corrosiveness liquid storage tank, which enables changes of liquid level in a storage tank to be reflected by means of displacement distance of an ultrasonic level meter detection reflector outside the tank through a floater placed in the storage tank and an anti-corrosive linkage part connected with the floater, and calculates the liquid level of solution in the storage tank based on the measured distance. The liquid level detection device of the high-corrosiveness liquid storage tank comprises the floater, a connecting rope, a pulley, a fixed pulley support, the reflector and an ultrasonic level meter. Within the measurement range of the ultrasonic level meter, the liquid level measurement range of the ultrasonic level meter for an actual high-corrosiveness solution storage tank is led to be doubled by increasing the number of connected movable pulleys. The liquid level detection device of the high-corrosiveness liquid storage tank is suitable for highly-corrosive, misty and ultrahigh tank body liquid level detection, is simple in structure and convenient to operate, and can overcome the defect that an existing level meter cannot achieve large-range liquid level measurement due to very limited measurement range.
Description
Technical field
The utility model relates to a kind of severe corrosive solution hold-up vessel liquid level detection device, is used to detect the liquid level that stores pot liquid, belongs to the automatic detection range of hold-up vessel liquid level.
Background technology
In industrial processes, the liquid level of many strongly corrosion liquid hold-up vessels needs online detection.For example liquid such as the concentrated sulphuric acid, concentrated hydrochloric acid, SPA, red fuming nitric acid (RFNA), strong aqua, nickel sulfate solution, chromium sulfate solution all have very strong corrosivity, are easy to corrode level meter, and therefore automatic detection is a difficult problem always to the liquid level of strongly corrosion liquid hold-up vessel.Owing to have severe corrosive, the general non-contact detection method that adopts in industrial process.The liquid level that adopts radar levelmeter to detect the strongly corrosion liquid hold-up vessel is one of method of using always; Because strongly corrosion liquid forms thick fog easily in the production run in hold-up vessel; Even in radar levelmeter detecting head surface dewfall; Perhaps stick on the radar levelmeter, radar levelmeter is caused corrosion.Radar levelmeter costs an arm and a leg in addition, and for the occasion with a plurality of hold-up vessels, it is higher to use the input expense.Ultrasonic material level meter belongs to the non-contact detection instrument, has characteristics such as price is lower, accuracy of detection height, but can not be applicable to the Level Detection of the strongly corrosion liquid hold-up vessel with thick fog and easy dewfall.Because there is the deficiency of measurement range less (less than 10 meters) in ultrasonic material level meter, can't directly be used for the detection of higher hold-up vessel liquid level.
Summary of the invention
The utility model provides a kind of ability automatic on-line to detect the pick-up unit of strongly corrosion liquid hold-up vessel liquid level in order to overcome the deficiency that exists in the above-mentioned prior art.
This pick-up unit comprises float, pulley, fixed pulley support, connection cord, reflecting plate, ultrasonic material level meter; Its middle pulley is installed on the fixed pulley support; Form fixed pulley, the fixed pulley support is installed on the hold-up vessel, and float is connected on the reflecting plate through connection cord and pulley; Float floats on the storage tank level; The weight of float should be greater than 1.5 times of the general assembly (TW) of connected movable member, ultrasonic material level meter be installed in reflecting plate under, its setting height(from bottom) is the position of float reflecting plate when arriving the extreme higher position.
Float has the wire rope handling via hole in the utility model, and connection cord ties up on the via hole.
Float adopts and to have the strong PTFE material of corrosion resistance and process in the utility model, owing to consider the dirigibility of device action, the weight of float should be greater than 1.5 times of the general assembly (TW) of connected movable member.
The utility model middle pulley is more than one fixed pulley group, or more than one fixed pulley and more than one running block.
Connection cord is corrosion-resistant rope in the utility model.
The utility model middle pulley is made up of bearing and bearing ditch type overcoat, and bearing ditch type overcoat is formed by the PTFE material.
Reflecting plate is circular in the utility model.
In the utility model when in the range of concentrated sulphuric acid hold-up vessel height at ultrasonic material level meter; Device does not adopt travelling block between connecting; Float is connected to reflecting plate through connection cord, two fixed pulleys; The stroke of reflecting plate equals the stroke of float, the measured value of the height-ultrasonic material level meter of the liquid level=hold-up vessel of strongly corrosion liquid hold-up vessel.
In the utility model when concentrated sulphuric acid hold-up vessel height is in the range of 1 to 2 times of ultrasonic material level meter; Float (1) is connected on the fixed pulley support in the hold-up vessel outside through connection cord, two fixed pulleys and a travelling block; Reflecting plate is connected the below of travelling block, and the stroke of reflecting plate is 1/2nd of a float distance of run.
In the utility model when concentrated sulphuric acid hold-up vessel height is in the range of 2 to 4 times of ultrasonic material level meters; Float is connected on the fixed pulley support in the hold-up vessel outside through connection cord, three fixed pulleys and two travelling block; The axle of two travelling block is installed on the running block pedestal; Reflecting plate is connected in the centre of running block pedestal, and the stroke of reflecting plate is 1/4th of a float distance of run.
In the utility model when concentrated sulphuric acid hold-up vessel height is in the range of 4 to 6 times of ultrasonic material level meters; Float is connected on the fixed pulley support in the hold-up vessel outside through connection cord, four fixed pulleys and three travelling block; The axle of three travelling block is installed on the running block pedestal; Reflecting plate is connected in the centre of running block pedestal, and the stroke of reflecting plate is the sixth of float distance of run.
When device has travelling block, the number of the measured value * travelling block of the height-ultrasonic material level meter of the liquid level=hold-up vessel of strongly corrosion liquid hold-up vessel * 2.
This device is through float and corresponding linkage part; The liquid level that hold-up vessel is inner reflects liquid level change in the hold-up vessel through the displacement of the outer ultrasonic material level meter detection of reflected plate of jar; And go out to store the liquid level of pot liquid according to the distance calculation that measures; Realized that interior liquid surveys outward, thereby avoided the corrosion of strongly corrosion liquid measurement instrument, and the adverse effects to detecting such as acid mist, dewfall.
This device only passes through to increase the travelling block quantity of device in the measurement range of limited ultrasonic material level meter, can be so that the multiplication of the liquid level scope of actual measurement concentrated sulphuric acid hold-up vessel.
The utility model is the detection that is applicable to liquid level in the strongly corrosion liquid hold-up vessel with respect to the beneficial effect of prior art; And be applicable to the Level Detection of the hold-up vessel of super large height; This apparatus structure is simple; Easy to operate, can realize the real time automatic detection of liquid level in the strongly corrosion liquid hold-up vessel.Externally measured owing to pot liquid is guided to, less demanding to the anti-corrosive properties of ultrasonic level meter.In addition; Ultrasonic material level meter or its range of radar levelmeter commonly used are all more limited; The level meter of employing super large range then price is very expensive, for the excessive situation of hold-up vessel height, adopts the utility model can realize surveying (liquid level) greatly with little (range); Reduced investment but also applied widely not only also is applicable to the Level Detection of other kind containers or the unsettled liquid of density.
Description of drawings
Fig. 1 is a float side view in the utility model.
Fig. 2 is the vertical view of float in the utility model.
Fig. 3 is the front view of the utility model middle pulley.
Fig. 4 is the A-A cut-open view of Fig. 3 middle pulley.
Fig. 5 is height in the utility model hold-up vessel liquid level detection device synoptic diagram in the range of ultrasonic material level meter the time.
Fig. 6 is hold-up vessel liquid level detection device synoptic diagram when height is in the range of 1 to 2 times of ultrasonic material level meter in the utility model.
Fig. 7 is the height of a utility model hold-up vessel liquid level detection device synoptic diagram in the range of 2 to 4 times of ultrasonic material level meters the time.
Fig. 8 is the height of a utility model hold-up vessel liquid level detection device synoptic diagram in the range of 4 to 6 times of ultrasonic material level meters the time.
1 is float among the figure, the 2nd, hang handle, and the 3rd, via hole, the 4th, pulley; The 5th, bearing, the 6th, bearing ditch type overcoat, the 7th, connection cord, the 8th, the via hole on the hold-up vessel; The 9th, reflecting plate, the 10th, ultrasonic material level meter, the 11st, inboard fixed pulley support, the 12nd, outside fixed pulley support; The 13rd, running block pedestal, the 14th, deep-etching liquid, the 15th, travelling block.
Below in conjunction with accompanying drawing the utility model is further described, but the protection domain of the utility model is not constituted any restriction.
Embodiment
Pick-up unit comprises float (1), pulley (4), fixed pulley support (11 in the utility model; 12), connection cord (7), reflecting plate (9), ultrasonic material level meter (10), its middle pulley (4) is fixed in fixed pulley support (11; 12) on; Form fixed pulley, the fixed pulley support is installed on the hold-up vessel, and float is connected on the reflecting plate (9) through connection cord (7) and pulley (4); Float floats on the storage tank level; The weight of float should be greater than 1.5 times of the general assembly (TW) of connected movable member, ultrasonic material level meter (10) be installed in reflecting plate (9) under, its setting height(from bottom) is the position of float reflecting plate when arriving the extreme higher position.(seeing Fig. 1-8)
Float (1) is formed by the PTFE material, can float on above the liquid in order to guarantee it, seals after the hollow out in the middle of needing; Float has and hangs (2) and a via hole (3), and pulley (4) is formed by bearing (5) with by the bearing ditch type overcoat (6) that the PTFE material forms, and connection cord is corrosion-resistant rope; Connection cord (7) is connected in the via hole (3) of float (1) and goes up, also passes through fixed pulley (4); Be connected to reflecting plate (9) at last, reflecting plate (9) is circular, and diameter is about 0.5 meter.(seeing Fig. 1-8)
For the ease of explanation, the measurement range of the ultrasonic material level meter that adopts in the present embodiment is 0～7 meter, describes on this basis below.
When concentrated sulphuric acid hold-up vessel height is 6 meters, need not to adopt travelling block in the connection, connection cord (7) ties up to float (1) and hangs on the via hole of (2) (3), and connection cord is through being fixed on fixed pulley support (11 then; 12) two fixed pulleys (4) on; The connection cord other end connects reflecting plate (9); One of them fixed pulley support (11) is arranged at the top of hold-up tank top via (8), and the stroke of reflecting plate (9) equals the stroke of float (1), the measured value of the height-ultrasonic material level meter of the liquid level=hold-up vessel of strongly corrosion liquid hold-up vessel; When the measured value of ultrasonic material level meter was 2.5 meters, liquid level was 3.5 meters in the hold-up vessel.(see figure 5)
When concentrated sulphuric acid hold-up vessel height is 11 meters, need to adopt a travelling block, connection cord (7) to tie up to float (1) in the connection and hang on the via hole of (2) (3), connection cord is through being fixed on fixed pulley support (11 then; 12) behind two fixed pulleys (4) on; Walk around a travelling block; The connection cord tail end is connected on the fixed pulley support (12) in the hold-up vessel outside, and one of them fixed pulley (11) support is arranged at via hole (8) top at hold-up vessel top, and reflecting plate (9) is connected the below of travelling block; The stroke of reflecting plate (9) is 1/2nd of float (a 1) stroke; The measured value of the height-ultrasonic material level meter of the liquid level=hold-up vessel of strongly corrosion liquid hold-up vessel * 2, when 3.2 meters of the measured values of ultrasonic material level meter, liquid level is 4.6 meters in the hold-up vessel.(see figure 6)
When concentrated sulphuric acid hold-up vessel height is 25 meters, need to adopt two travelling block, connection cord (7) to tie up to float (1) in the connection and hang on the via hole of (2) (3), connection cord is through being fixed on fixed pulley support (11 then; 12) behind two fixed pulleys (4) on; Again through on the fixed pulley support (12) that is connected the hold-up vessel outside behind travelling block, fixed pulley and the travelling block; The axle of two travelling block is installed on the running block pedestal (13); Reflecting plate (9) is connected in the centre of running block pedestal (13), and the stroke of reflecting plate (9) is 1/4th of float (a 1) stroke, the measured value of the height-ultrasonic material level meter of the liquid level=hold-up vessel of strongly corrosion liquid hold-up vessel * 4; When the measured value of ultrasonic material level meter was 5.1 meters, liquid level was 4.6 meters in the hold-up vessel.(see figure 7)
When concentrated sulphuric acid hold-up vessel height is 42 meters, need to adopt three travelling block, connection cord (7) to tie up to float (1) in the connection and hang on the via hole of (2) (3), connection cord is through being fixed on fixed pulley support (11 then; 12) behind two fixed pulleys (4) on; Again through on the fixed pulley support (12) that is connected the hold-up vessel outside behind a travelling block, fixed pulley, travelling block, fixed pulley, the travelling block; The axle of three travelling block is installed on the running block pedestal (13); Reflecting plate (9) is connected in the centre of running block pedestal (13), and the stroke of reflecting plate (9) is the sixth of float (1) stroke, the measured value of the height-ultrasonic material level meter of the liquid level=hold-up vessel of strongly corrosion liquid hold-up vessel * 6; When the measured value of ultrasonic material level meter was 3 meters, liquid level was 24 meters in the hold-up vessel.(see figure 8)
Claims (10)
1. strongly corrosion liquid hold-up vessel liquid level detection device; It is characterized in that pick-up unit comprises float, pulley, fixed pulley support, connection cord, reflecting plate, ultrasonic material level meter; The fixed pulley support is installed on the hold-up vessel; Float is connected on the reflecting plate through connection cord and pulley, and float floats on and stores on the tank level, and the weight of float is greater than 1.5 times of the general assembly (TW) of connected movable member; Ultrasonic material level meter be installed in reflecting plate under, its setting height(from bottom) is the position of float reflecting plate when arriving the extreme higher position.
2. liquid level detection device according to claim 1 is characterized in that float processed by the PTFE material, and middle hollow out has the wire rope handling via hole on it.
3. liquid level detection device according to claim 1 is characterized in that pulley is more than one fixed pulley group, or more than one fixed pulley and more than one running block.
4. liquid level detection device according to claim 1 is characterized in that connection cord is corrosion-resistant rope.
5. liquid level detection device according to claim 1 is characterized in that pulley is made up of bearing and bearing ditch type overcoat.
6. liquid level detection device according to claim 4 is characterized in that bearing ditch type overcoat is formed by the PTFE material.
7. liquid level detection device according to claim 1; It is characterized in that device does not adopt travelling block between connecting when fluid storage jar height during less than the range of ultrasonic material level meter, float is through connection cord, two fixed pulleys; Be connected to reflecting plate, the stroke of reflecting plate equals the stroke of float.
8. liquid level detection device according to claim 1; It is characterized in that when fluid storage jar height is in the range of 1 to 2 times of ultrasonic material level meter; Float is connected on the fixed pulley support in the hold-up vessel outside through connection cord, two fixed pulleys and a travelling block; Reflecting plate is connected the below of travelling block, and the stroke of reflecting plate is 1/2nd of a float distance of run.
9. liquid level detection device according to claim 1; It is characterized in that when fluid storage jar height is in the range of 2 to 4 times of ultrasonic material level meters; Float is connected on the fixed pulley support in the hold-up vessel outside through connection cord, three fixed pulleys and two travelling block; The axle of two travelling block is installed on the running block pedestal, and reflecting plate is connected in the centre of running block pedestal, and the stroke of reflecting plate is 1/4th of a float distance of run.
10. liquid level detection device according to claim 1; It is characterized in that when the fluid storage jar high in the range of 4 to 6 times of ultrasonic material level meters the time; Float is connected on the fixed pulley support in the hold-up vessel outside through connection cord, four fixed pulleys and three travelling block; The axle of three travelling block is installed on the running block pedestal, and reflecting plate is connected in the centre of running block pedestal, and the stroke of reflecting plate is the sixth of float distance of run.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203505762U CN202255559U (en) | 2011-09-19 | 2011-09-19 | Liquid level detection device of high-corrosiveness liquid storage tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203505762U CN202255559U (en) | 2011-09-19 | 2011-09-19 | Liquid level detection device of high-corrosiveness liquid storage tank |
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| Publication Number | Publication Date |
|---|---|
| CN202255559U true CN202255559U (en) | 2012-05-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011203505762U Expired - Fee Related CN202255559U (en) | 2011-09-19 | 2011-09-19 | Liquid level detection device of high-corrosiveness liquid storage tank |
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| CN (1) | CN202255559U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102322921A (en) * | 2011-09-19 | 2012-01-18 | 昆明理工大学 | A kind of strongly corrosion liquid hold-up vessel liquid level detection device |
| CN110307882A (en) * | 2019-07-26 | 2019-10-08 | 安徽省卓创信息科技服务有限公司 | A kind of rock engineering prospecting floatation type floodometer and its measurement method |
| CN116754043A (en) * | 2023-08-18 | 2023-09-15 | 沈阳仪表科学研究院有限公司 | Laboratory is with input type liquid level transmitter installation device |
-
2011
- 2011-09-19 CN CN2011203505762U patent/CN202255559U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102322921A (en) * | 2011-09-19 | 2012-01-18 | 昆明理工大学 | A kind of strongly corrosion liquid hold-up vessel liquid level detection device |
| CN110307882A (en) * | 2019-07-26 | 2019-10-08 | 安徽省卓创信息科技服务有限公司 | A kind of rock engineering prospecting floatation type floodometer and its measurement method |
| CN110307882B (en) * | 2019-07-26 | 2020-10-16 | 安徽省卓创信息科技服务有限公司 | Floating type water level measuring instrument for rock engineering investigation and measuring method thereof |
| CN116754043A (en) * | 2023-08-18 | 2023-09-15 | 沈阳仪表科学研究院有限公司 | Laboratory is with input type liquid level transmitter installation device |
| CN116754043B (en) * | 2023-08-18 | 2023-10-31 | 沈阳仪表科学研究院有限公司 | Laboratory is with input type liquid level transmitter installation device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120530 Termination date: 20140919 |
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| EXPY | Termination of patent right or utility model |