CN208721191U - A kind of thermal insulation clamp blows formula liquid level test structure - Google Patents
A kind of thermal insulation clamp blows formula liquid level test structure Download PDFInfo
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- CN208721191U CN208721191U CN201821244210.5U CN201821244210U CN208721191U CN 208721191 U CN208721191 U CN 208721191U CN 201821244210 U CN201821244210 U CN 201821244210U CN 208721191 U CN208721191 U CN 208721191U
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- steel pipe
- liquid level
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- thermal insulation
- steel
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- 239000007788 liquid Substances 0.000 title claims abstract description 44
- 238000012360 testing method Methods 0.000 title claims abstract description 29
- 238000009413 insulation Methods 0.000 title claims abstract description 23
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 137
- 239000010959 steel Substances 0.000 claims abstract description 137
- 230000008676 import Effects 0.000 claims abstract description 10
- 238000009434 installation Methods 0.000 claims abstract description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 27
- 239000010935 stainless steel Substances 0.000 claims description 27
- 238000000034 method Methods 0.000 claims description 7
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 230000007797 corrosion Effects 0.000 abstract description 2
- 238000005260 corrosion Methods 0.000 abstract description 2
- PAWQVTBBRAZDMG-UHFFFAOYSA-N 2-(3-bromo-2-fluorophenyl)acetic acid Chemical compound OC(=O)CC1=CC=CC(Br)=C1F PAWQVTBBRAZDMG-UHFFFAOYSA-N 0.000 description 9
- 238000005259 measurement Methods 0.000 description 8
- 239000012530 fluid Substances 0.000 description 5
- 239000003337 fertilizer Substances 0.000 description 3
- 150000002828 nitro derivatives Chemical class 0.000 description 3
- 238000004321 preservation Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
Landscapes
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Abstract
The utility model discloses a kind of thermal insulation clamps to blow formula liquid level test structure, including open-top receptacle, head end test unit, differential pressure transmitter, suspended body flowmeter, pressure reducing valve, the first shut-off valve and the second shut-off valve；First steel pipe, the second steel pipe and third steel pipe, the nozzle end socket of the 4th steel pipe are installed on the 4th steel pipe；The import of first steel pipe is arranged in the 4th steel pipe, and the outlet of the first steel pipe is arranged outside the 4th steel pipe；The import of third steel pipe is arranged outside the 4th steel pipe, and the outlet of third steel pipe is arranged in the 4th steel pipe；Second steel pipe passes through the 4th steel pipe；4th steel pipe and open-top receptacle installation are fixed；Third steel pipe is connect with the first shut-off valve；Second steel pipe is connected with the first air pipe line and the second air pipe line respectively；Differential pressure transmitter is set on first air pipe line；The second shut-off valve, pressure reducing valve and suspended body flowmeter are filled on second air pipe line from the inlet to the outlet.The utility model is suitable for atmospheric pressure device high temperature, high concentration, corrosion or the medium level sensing easily crystallized.
Description
Technical field
The utility model relates to a kind of thermal insulation clamps to blow formula liquid level test structure.
Background technique
In nitro compound fertilizer automation control." ammonium nitrate liquid storage tank liquid level " control is a difficult point, because of high concentration ammonium nitrate solution
Temperature is high, easily crystallize, corrosivity is strong, carrying vapour coil pipe in equipment, needs to detect and control liquid level；Ultrasonic wave, the thunder of high-quality
It is unable to measure up to equal liquidometers, short using bellows liquidometer service life, instrument selection is limited, often damages, at high cost.For
Similar the case where being not easy to test liquid level, is badly in need of a kind of test device or structure.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, a kind of thermal insulation clamp is provided and blows formula liquid level test knot
Structure.
The purpose of this utility model is achieved through the following technical solutions: a kind of thermal insulation clamp blows formula liquid level test knot
Structure, including open-top receptacle, head end test unit, differential pressure transmitter, suspended body flowmeter, pressure reducing valve, the first shut-off valve and second section
Only valve；
Head end test unit includes the first steel pipe, the second steel pipe, third steel pipe and the 4th steel pipe, and the is installed on the 4th steel pipe
One steel pipe, the second steel pipe and third steel pipe, the nozzle end socket of the 4th steel pipe；Wherein, the import of the first steel pipe is arranged in the 4th steel
In pipe, the outlet of the first steel pipe is arranged outside the 4th steel pipe；The import of third steel pipe is arranged outside the 4th steel pipe, third steel pipe
Outlet is arranged in the 4th steel pipe；Second steel pipe passes through the 4th steel pipe；4th steel pipe and open-top receptacle installation are fixed；
Third steel pipe is connect with the first shut-off valve；Second steel pipe respectively with the first air pipe line and the second air pipe line phase
Even；Differential pressure transmitter wherein is set on the first air pipe line；Second section is successively installed on second air pipe line from the inlet to the outlet
Only valve, pressure reducing valve and suspended body flowmeter.
It is preferred that the second steel pipe, the first air pipe line and the second air pipe line are connect with three-way connection respectively.
It is preferred that the 4th steel pipe is 57 × 3 stainless steel tube of φ.
It is preferred that the first steel pipe and third steel pipe are 14 × 2 stainless steel tube of Φ.
It is preferred that the second steel pipe is 20 × 2 stainless steel tube of Φ 18 × 2 or Φ.
It is preferred that the 4th steel pipe passes through the flanged joint being arranged on flange and open-top receptacle.
It is preferred that the distance between the end of the second steel pipe and the 4th steel pipe end end socket are at least 0.1 meter.
It is preferred that the first steel pipe is inserted into 0.25 meter of the 4th steel pipe.
It is preferred that 0.1 meter of the end socket bottom of the 4th steel pipe of end distance of third steel pipe.
A method of formula liquid level test structure is blown based on thermal insulation clamp:
Low-pressure steam enters the 4th steel pipeline sealing end bottom by third steel pipe entrance, is discharged from the outlet of the first steel pipe, together
When heat preservation protection (medium is avoided to crystallize) is carried out to the second steel pipe；
Instrument air by pressure reducing valve (ensuring that inlet pressure is constant), (uninterrupted is by suspended body flowmeter for suspended body flowmeter
Upper needle-valve is adjusted), flow through three and pass to the second steel pipe, escaped from infratubal port, be bubbled and atmosphere is simultaneously discharged by liquid；
Because " thermal insulation clamp blows formula " device guarantees the output of constant flow rate gas, the pressure energy that differential pressure (pressure) transmitter measures
Enough variations for following gas blow pipe outlet pressure automatically, measure open-top receptacle liquid level.
The beneficial effects of the utility model are: the utility model is suitable for atmospheric pressure device high temperature, high concentration, corrosion or easy
The medium level sensing of crystallization.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
In figure, the first steel pipe of 1-, the second steel pipe of 2-, 3- third steel pipe, the 4th steel pipe of 4-, 5- open-top receptacle, 6- first cut
Only valve, 7- three-way connection, 8- differential pressure transmitter, 9- suspended body flowmeter, 10- pressure reducing valve, the second shut-off valve of 11-.
Specific embodiment
The technical solution of the utility model, but the protection scope of the utility model are described in further detail with reference to the accompanying drawing
It is not limited to as described below.
As shown in Figure 1, A- low-pressure steam outlet pipeline, B- air Trunk Line, C- low pressure steam inlet pipeline, D- air
Import Trunk Line.A kind of thermal insulation clamp blows formula liquid level test structure, including open-top receptacle 5, head end test unit, differential pressure transmitter 8,
Suspended body flowmeter 9, pressure reducing valve 10, the first shut-off valve 6 and the second shut-off valve 11；
Head end test unit includes the first steel pipe 1, the second steel pipe 2, third steel pipe 3 and the 4th steel pipe 4, on the 4th steel pipe 4
First steel pipe 1, the second steel pipe 2 and third steel pipe 3, the nozzle end socket of the 4th steel pipe 4 are installed；Wherein, the import of the first steel pipe 1 is set
It sets in the 4th steel pipe 4, the outlet of the first steel pipe 1 is arranged outside the 4th steel pipe 4；The import of third steel pipe 3 is arranged in the 4th steel
Outside pipe 4, the outlet of third steel pipe 3 is arranged in the 4th steel pipe 4；Second steel pipe 2 passes through the 4th steel pipe 4；4th steel pipe 4 and opening
The installation of container 5 is fixed；
Third steel pipe 3 is connect with the first shut-off valve 6；Second steel pipe 2 respectively with the first air pipe line and the second air pipe line
It is connected；Differential pressure transmitter 8 is wherein set on the first air pipe line；Second is successively installed from the inlet to the outlet on second air pipe line
Shut-off valve 11, pressure reducing valve 10 and suspended body flowmeter 9.
In a preferred embodiment, the second steel pipe 2, the first air pipe line and the second air pipe line respectively with three-way connection
7 connections.
In a preferred embodiment, the 4th steel pipe 4 is 57 × 3 stainless steel tube of φ.
In a preferred embodiment, the first steel pipe 1 and third steel pipe 3 are 14 × 2 stainless steel tube of Φ.
In a preferred embodiment, the second steel pipe 2 is 20 × 2 stainless steel tube of Φ 18 × 2 or Φ.
In a preferred embodiment, the 4th steel pipe 4 passes through the flanged joint being arranged on flange and open-top receptacle 5.
In a preferred embodiment, the distance between the end of the second steel pipe 2 and 4 end end socket of the 4th steel pipe are at least
0.1 meter.
In a preferred embodiment, the first steel pipe 1 is inserted into 0.25 meter away from top of the 4th steel pipe 4.
In a preferred embodiment, 0.1 meter of the end socket bottom of the 4th steel pipe 4 of end distance of third steel pipe 3.A kind of base
The method of formula liquid level test structure is blown in thermal insulation clamp:
Low-pressure steam enters 4 end socket bottom of the 4th steel pipe by 3C mouthfuls of third steel pipe, is discharged from A mouthfuls；
The second steel pipe 2 is carried out heat preservation protection (medium is avoided to crystallize) simultaneously, instrument air (ensures by pressure reducing valve 10
Inlet pressure is constant), suspended body flowmeter 9 (uninterrupted by suspended body flowmeter 9 needle-valve adjust), flow through three and pass to the second steel pipe
2, it is escaped from infratubal port, is bubbled and atmosphere is discharged by liquid；
Because " thermal insulation clamp blows formula " device guarantees the output of constant flow rate gas, the pressure that common differential pressure (pressure) transmitter measures
5 liquid level of open-top receptacle is measured in the variation that gas blow pipe outlet pressure can be followed automatically.Liquid level suction side leads to atmosphere, and liquid level is just
Pressure side introduces the plemum of fluid level transmitter, the measurement model of fluid level transmitter by the stainless steel tube of Φ 14 × 2 respectively through threeway
Enclosing will calculate according to insertion measurement length of tube and Media density, range (P)=measurement length of tube (h) × Jie of fluid level transmitter
Matter density (ρ) × 9.8 (acceleration of gravity), the suction side of fluid level transmitter is gas, therefore fluid level transmitter range does not need
It migrates；Transducer signal send DCS that control is adjusted.
In a preferred embodiment, with a kind of novel gas blowing liquid level emasuring device to measure the storage of high concentration ammonium nitrate solution
For tank liquor position, it include open-top receptacle 5,14 × 2 stainless steel tube of Φ, 57 × 3 stainless steel tube of Φ, 20 × 2 stainless steel tube of Φ,
Differential pressure (pressure) transmitter, shut-off valve, suspended body flowmeter 9, adjustable pressure-reducing valve 10 and three-way connection 7；
1. making 57 × 3 stainless steel tube of Φ of an equal height by oneself according to the height that ammonium nitrate solution storage tank needs to measure liquid level
Both ends end socket is inserted into lower part from equipment upper flange mouth, opens the hole of a Φ 20 respectively on the end socket of both ends；Make a Φ by oneself
20 × 2 stainless steel tube is inserted into 57 × 3 stainless steel tube both ends Φ, and bottom end Shen enters end socket 5mm；Upper end extends plus three-way connection 7；
One end of three-way connection 7 is connected to the positive pressure side of differential pressure transmitter 8, a termination air supervisor by the stainless steel tube of Φ 14 × 2；
The range of differential pressure transmitter 8 is calculated and is set according to liquid level and Media density, is mounted with float on air supervisor
Flowmeter 9, adjustable pressure-reducing valve 10, shut-off valve；
2. calculating and setting the range of differential pressure transmitter 8 according to the height of measurement liquid level, air is responsible for the sky to come
Gas reduces to 0.1MPa hereinafter, adjusting the big of suspended body flowmeter 9 further according to the range of differential pressure transmitter 8 by adjustable pressure-reducing valve 10
It is small；
3. using low-pressure steam heat tracing, 14 × 2 stainless steel low-pressure steam of Φ is installed on homemade 57 × 3 stainless steel tube of Φ
Inlet/outlet pipe；Shut-off valve is installed in low-pressure steam pressure tappings, Φ is inserted from above using 14 × 2 stainless steel tube of Φ by shut-off valve
57 × 3 stainless steel tube bottoms are inserted from above Φ 57 × 3 away from bottom bulkhead 0.1 using low 14 × 2 stainless steel tube of steaming import Φ
Rice, low-pressure steam outlet is away from 57 × 3 0.25 meter of top insertion of Φ, steam outflow；
4. come into operation liquidometer, air cutoff valve is opened, steady flow is adjusted to by adjustable pressure-reducing valve 10, suspended body flowmeter 9
It is sent to after amount at three-way connection 7, all the way into the positive pressure side of differential pressure transmitter 8, another way passes through the stainless steel tube of Φ 14 × 2, into
Enter 20 × 2 measurement pipe of Φ and enter back into container bottom, air all walks the stainless steel tube of Φ 14 × 2 when not having liquid level, into Φ
20 × 2 measurement pipes enter back into mouth under container bottom gas blow pipe and overflow, and the differential pressure transmitter 8 of the other side does not have pressure, are shown as 0；
With the increase of liquid level, air capacity and liquid level generate differential pressure, and the differential pressure transmitter 8 that this differential pressure enters the other side is shown；Liquid
Position variation and differential pressure be it is directly proportional, tank fill level is accurately measured according to the differential pressure of transmitter.
The utility model is suitable for the medium level sensing that atmospheric pressure device high temperature, high concentration, burn into easily crystallize.Illustrate:
A) experimental result reaches design requirement, meets requirement, can put into operation.
B) Liquid level range is set on DCS by automatic control personnel, guarantee equipment safety operation.
The utility model has the following characteristics that compared with prior art
In nitro compound fertilizer automation control, " ammonium nitrate liquid storage tank liquid level " control is a difficult point, because of high concentration ammonium nitrate solution
Temperature is high, easily crystallize, corrosivity is strong, carrying vapour coil pipe in equipment, needs to detect and control liquid level；Ultrasonic wave, the thunder of high-quality
It is unable to measure up to equal liquidometers, short using bellows liquidometer service life, instrument selection is limited, often damages, at high cost.Thus
The above measurement problem is overcome using " a kind of novel " thermal insulation clamp blows formula " liquidometer control method ", using common differential pressure
The conventional instruments such as (pressure) transmitter, instrument air, suspended body flowmeter 9, input cost is low, measurement is accurate, easy to maintain.
The utility model is especially suitable for nitro compound fertilizer, ammonium nitrate automatic control technology field, more particularly to melting ammonium nitrate production
The thermal insulation clamp that " ammonium nitrate liquid storage tank liquid level " carries out security control in the process blows formula liquid level test structure and method.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, and should refer to
Out, any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention etc. should all include
It is within the protection scope of the utility model.
Claims (10)
1. a kind of thermal insulation clamp blows formula liquid level test structure, it is characterised in that: become including open-top receptacle, head end test unit, differential pressure
Send device, suspended body flowmeter, pressure reducing valve, the first shut-off valve and the second shut-off valve；
Head end test unit includes the first steel pipe, the second steel pipe, third steel pipe and the 4th steel pipe, installs the first steel on the 4th steel pipe
Pipe, the second steel pipe and third steel pipe, the nozzle end socket of the 4th steel pipe；Wherein, the import of the first steel pipe is arranged in the 4th steel pipe,
The outlet of first steel pipe is arranged outside the 4th steel pipe；The import of third steel pipe is arranged outside the 4th steel pipe, the outlet of third steel pipe
It is arranged in the 4th steel pipe；Second steel pipe passes through the 4th steel pipe；4th steel pipe and open-top receptacle installation are fixed；
Third steel pipe is connect with the first shut-off valve；Second steel pipe is connected with the first air pipe line and the second air pipe line respectively；Its
In differential pressure transmitter is set on the first air pipe line；Successively installed from the inlet to the outlet on second air pipe line the second shut-off valve,
Pressure reducing valve and suspended body flowmeter.
2. a kind of thermal insulation clamp according to claim 1 blows formula liquid level test structure, it is characterised in that: the second steel pipe, first
Air pipe line and the second air pipe line are connect with three-way connection respectively.
3. a kind of thermal insulation clamp according to claim 1 blows formula liquid level test structure, it is characterised in that: the 4th steel pipe is φ 57
× 3 stainless steel tubes.
4. a kind of thermal insulation clamp according to claim 1 blows formula liquid level test structure, it is characterised in that: the first steel pipe and third
Steel pipe is 14 × 2 stainless steel tube of Φ.
5. a kind of thermal insulation clamp according to claim 1 blows formula liquid level test structure, it is characterised in that: the second steel pipe is Φ 18
20 × 2 stainless steel tube of × 2 or Φ.
6. a kind of thermal insulation clamp according to claim 1 blows formula liquid level test structure, it is characterised in that: the 4th steel pipe is φ 57
× 3 stainless steel tubes；First steel pipe and third steel pipe are 14 × 2 stainless steel tube of Φ；Second steel pipe be Φ 18 × 2 or Φ 20 ×
2 stainless steel tubes.
7. a kind of thermal insulation clamp according to claim 1 blows formula liquid level test structure, it is characterised in that: the 4th steel pipe passes through method
The flanged joint being arranged on blue and open-top receptacle.
8. a kind of thermal insulation clamp according to claim 1 blows formula liquid level test structure, it is characterised in that: the end of the second steel pipe
The distance between 4th steel pipe end end socket is at least 0.1 meter.
9. a kind of thermal insulation clamp according to claim 1 blows formula liquid level test structure, it is characterised in that: the first steel pipe insertion the
Four 0.25 meter of steel pipes.
10. a kind of thermal insulation clamp according to claim 1 blows formula liquid level test structure, it is characterised in that: the end of third steel pipe
Hold 0.1 meter of the end socket bottom of the 4th steel pipe of distance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821244210.5U CN208721191U (en) | 2018-08-03 | 2018-08-03 | A kind of thermal insulation clamp blows formula liquid level test structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821244210.5U CN208721191U (en) | 2018-08-03 | 2018-08-03 | A kind of thermal insulation clamp blows formula liquid level test structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208721191U true CN208721191U (en) | 2019-04-09 |
Family
ID=65976000
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821244210.5U Active CN208721191U (en) | 2018-08-03 | 2018-08-03 | A kind of thermal insulation clamp blows formula liquid level test structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208721191U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108801395A (en) * | 2018-08-03 | 2018-11-13 | 四川金象赛瑞化工股份有限公司 | A kind of thermal insulation clamp blows formula liquid level test structure and method |
| CN112161672A (en) * | 2020-09-17 | 2021-01-01 | 北京中燕建设工程有限公司 | Precise adjustment method and tool for static pressure type liquid level meter |
-
2018
- 2018-08-03 CN CN201821244210.5U patent/CN208721191U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108801395A (en) * | 2018-08-03 | 2018-11-13 | 四川金象赛瑞化工股份有限公司 | A kind of thermal insulation clamp blows formula liquid level test structure and method |
| CN112161672A (en) * | 2020-09-17 | 2021-01-01 | 北京中燕建设工程有限公司 | Precise adjustment method and tool for static pressure type liquid level meter |
| CN112161672B (en) * | 2020-09-17 | 2023-01-20 | 北京中燕建设工程有限公司 | Precise adjustment method and tool for static pressure type liquid level meter |
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