CN110081952A - A kind of coal tar distillation VACUUM TOWER BOTTOM liquid level emasuring device - Google Patents
A kind of coal tar distillation VACUUM TOWER BOTTOM liquid level emasuring device Download PDFInfo
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- CN110081952A CN110081952A CN201910436912.6A CN201910436912A CN110081952A CN 110081952 A CN110081952 A CN 110081952A CN 201910436912 A CN201910436912 A CN 201910436912A CN 110081952 A CN110081952 A CN 110081952A
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- 239000007788 liquid Substances 0.000 title claims abstract description 55
- 238000004821 distillation Methods 0.000 title claims abstract description 20
- 239000011280 coal tar Substances 0.000 title claims abstract description 18
- 238000000034 method Methods 0.000 claims abstract description 8
- 238000007667 floating Methods 0.000 claims description 33
- 239000011229 interlayer Substances 0.000 claims description 7
- 239000010865 sewage Substances 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 claims description 3
- 230000007306 turnover Effects 0.000 claims description 2
- 238000012856 packing Methods 0.000 claims 1
- 238000005259 measurement Methods 0.000 abstract description 13
- 238000009833 condensation Methods 0.000 abstract description 7
- 230000005494 condensation Effects 0.000 abstract description 7
- 239000012530 fluid Substances 0.000 abstract description 7
- 230000000903 blocking effect Effects 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 4
- 238000010438 heat treatment Methods 0.000 abstract description 3
- 238000009413 insulation Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 5
- 239000007787 solid Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000005292 vacuum distillation Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/30—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats
- G01F23/64—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats of the free float type without mechanical transmission elements
- G01F23/72—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats of the free float type without mechanical transmission elements using magnetically actuated indicating means
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Level Indicators Using A Float (AREA)
Abstract
The invention discloses a kind of coal tar distillation VACUUM TOWER BOTTOM liquid level emasuring devices, including collet measuring cylinder, second flange, vacuum tower and cylinder, the top of the vacuum tower side is equipped with control panel, and the inside of control panel is equipped with single-chip microcontroller, the bottom end of the vacuum tower other side is fixed with the second connecting tube, and second connecting tube side between be fixed with collet measuring cylinder, the top of the collet measuring cylinder is fixed with top dress inner float ball liquidometer by third flange, and the bottom end pushed up inside dress inner float ball liquidometer is fixed with first connecting rod.The present invention is avoided that tested meson condensation, blocking by being equipped with collet measuring cylinder and steam jacket heat tracing, and it can ensure that meson circulates, collet measuring cylinder and with vacuum tower connectivity part use steam jacket heat tracing, steam jacket heat tracing can carry out heating and thermal insulation to fluid to be measured, tested meson condensation, blocking are avoided, so that measurement process is more smooth.
Description
Technical field
The present invention relates to measuring device technical field, specially a kind of coal tar distillation VACUUM TOWER BOTTOM liquid level emasuring device.
Background technique
Vacuum tower is the important equipment in distillation technique, the VACUUM TOWER BOTTOM liquid level operation index important as one, if
It controls bad, will lead to the serious consequence of complete plant shutdown, liquidometer is detection instrument important in chemical process automation industry, mainly
For the Detection & Controling of boundary position, liquid level in production process, in the operating process of vacuum distillation, VACUUM TOWER BOTTOM liquid level is as one
The important operation index of item, the fluctuation of tower bottom liquid level will directly influence the quality of the effect and product of distillation, tower bottom liquid level
Control is vital, so need to measure liquid level using measuring device, but existing coal tar distillation depressurizes
There are many problems or defects for tower bottom liquid level emasuring device:
First, traditional coal tar distillation VACUUM TOWER BOTTOM liquid level emasuring device cannot accurately reflect tower bottom liquid level data,
Conventional method is difficult to measure tower bottom liquid level data, and measurement data is not accurate enough；
Second, traditional coal tar distillation VACUUM TOWER BOTTOM liquid level emasuring device can not achieve multiple measurement guarantee, Bu Nengbao
Hinder the normal use of vacuum tower liquid level, the VACUUM TOWER BOTTOM liquid level operation index important as one will lead to if control is bad
The serious consequence of complete plant shutdown, traditional design liquidometer only has a double flange form liquidometer, since temperature is high in vacuum tower,
Pressure is low, and double flange liquid level meters, which often go wrong, promptly and accurately to reflect liquid level；
Third, traditional coal tar distillation VACUUM TOWER BOTTOM liquid level emasuring device are not avoided that tested meson condensation, blocking, no
It can ensure that meson circulates, so that measurement cannot proceed normally.
Summary of the invention
The purpose of the present invention is to provide a kind of coal tar distillation VACUUM TOWER BOTTOM liquid level emasuring devices, to solve above-mentioned background
What is proposed in technology cannot accurately reflect tower bottom liquid level data, can not achieve multiple measurement guarantee and not be avoided that tested meson
Condensation, blocking, cannot ensure the problem of meson circulates.
To achieve the above object, the invention provides the following technical scheme: a kind of coal tar distillation VACUUM TOWER BOTTOM level gauging
The top of device, including collet measuring cylinder, second flange, vacuum tower and cylinder, the vacuum tower side is equipped with control panel,
And the inside of control panel is equipped with single-chip microcontroller, the bottom end of the vacuum tower other side is fixed with the second connecting tube, and second connects
Collet measuring cylinder is fixed between the side of adapter tube, the top of the collet measuring cylinder is fixed with floating in the dress of top by third flange
Ball liquidometer, and push up the bottom end inside dress inner float ball liquidometer and be fixed with first connecting rod, the bottom end of the first connecting rod is solid
Surely there is the first floating ball, the inside of the collet measuring cylinder is evenly arranged with steam jacket heat tracing, the side of the collet measuring cylinder
It is provided with double flanges differential pressure transmitter, and the two sides of double flanges differential pressure transmitter one end are mounted on connecting line, the connecting line
Side be mounted on second flange, the bottom end of the vacuum tower side is provided with cylinder, and the side of cylinder is fixed with fixation
Cylinder, the inside of the fixed cylinder is uniformly equipped with magnetic turning plate, and the middle position of magnetic turning plate is respectively and fixedly provided with fixing axle, the cylinder
The bottom end of body is equipped with sewage pipe, and the inside of the cylinder is fixed with bottom dress inner float ball liquidometer, and bottom fills inner float ball liquidometer
Internal bottom end is equipped with the second connecting rod, and the bottom end of second connecting rod is equipped with the second floating ball, and the second floating ball is interior
Portion is equipped with magnetic float, and the bottom end of the cylinder side is equipped with the first connecting tube, and the side of the first connecting tube is equipped with
One flange, the inside of the second flange is mounted on diaphragm seat, and the top of diaphragm seat and bottom end are mounted on gasket, institute
The output end for stating control panel is electrically connected by the input terminal of conducting wire and single-chip microcontroller, the double flanges differential pressure transmitter, top dress
The input terminal of inner float ball liquidometer and bottom dress inner float ball liquidometer is electrically connected by the output end of conducting wire and single-chip microcontroller.
Preferably, the collet measuring cylinder is internally provided with interlayer, and steam jacket heat tracing equally arranges in interlayer
Column.
Preferably, the inside of first floating ball and the second floating ball is provided with through slot, and the diameter of through slot is respectively greater than
The diameter of first connecting rod and the second connecting rod, the first floating ball and the second floating ball respectively with first connecting rod and the second connecting rod structure
At slide construction.
Preferably, the bottom end of the vacuum tower two sides is connected with the side of the first connecting tube and the second connecting tube respectively,
And second connecting tube be connected with the top of collet measuring cylinder side with bottom end, the connecting line and the collet measuring cylinder other side
Top is connected with bottom end.
Preferably, the gasket is in " ring " shape structure, and the quantity of gasket is 2, and gasket is about diaphragm seat
Center line symmetrical setting.
Preferably, the magnetic turning plate constitutes overturning structure by fixing axle, and the half of magnetic turning plate is provided with white coating,
The other half of magnetic turning plate is provided with encrimson.
Compared with prior art, the beneficial effects of the present invention are: the coal tar distillation VACUUM TOWER BOTTOM liquid level emasuring device knot
Structure is reasonable, has the advantage that
1, by being equipped with top dress inner float ball liquidometer, double flanges differential pressure transmitter and collet measuring cylinder enable the present apparatus
Tower bottom liquid level data is accurately reflected, the present apparatus is measured using double flanges differential pressure transmitter, top dress inner float ball liquidometer and collet
Cylinder come complete indirectly measure vacuum tower liquid level function, double flanges differential pressure transmitter is the change of the difference of measuring transducer pressure at two ends
Device is sent, there are two pressure interfaces for it, and according to law of connected vessels, liquid is flowed into collet measuring cylinder, fill inner float ball liquid level by top
Meter can measure liquid level, and double flanges differential pressure transmitter, top dress inner float ball liquidometer and the mutual cooperation of collet measuring cylinder make
It is more accurate to obtain measurement data；
2, it is able to achieve by being equipped with bottom dress inner float ball liquidometer, the second connecting rod, the second floating ball, magnetic float and magnetic turning plate
The function of multiple measurement guarantee, vacuum tower itself use bottom dress inner float ball liquidometer measurement, multiple measurement guarantee are realized, when double methods
After blue differential pressure transmitter and top dress inner float ball liquidometer go wrong, fluid to be measured enters in cylinder, makes under buoyancy
Second floating ball Slideslip outside the second connecting rod, magnetic float and magnetic turning plate inside the second connecting rod cooperate, so that magnetic turns over
Plate overturning can learn the liquid of fluid to be measured since magnetic turning plate is made of two kinds of colors according to the magnetic turning plate of display same color
Position；
3, tested meson condensation, blocking are avoided that by being equipped with collet measuring cylinder and steam jacket heat tracing, and can protected
Hinder meson circulation, collet measuring cylinder and use steam jacket heat tracing with vacuum tower connectivity part, steam jacket heat tracing can be to tested
Liquid carries out heating and thermal insulation, tested meson condensation, blocking is avoided, so that measurement process is more smooth.
Detailed description of the invention
Fig. 1 is that the present invention faces the schematic diagram of the section structure；
Fig. 2 is that second flange of the present invention faces the schematic diagram of the section structure；
Fig. 3 is collet measuring cylinder top view cross section structural schematic diagram of the present invention；
Fig. 4 is that cylinder of the present invention faces the schematic diagram of the section structure；
Fig. 5 is system block diagram of the invention.
In figure: 1, the first connecting tube；2, first flange；3, the second connecting tube；4, collet measuring cylinder；5, the first floating ball；6,
Second flange；7, double flanges differential pressure transmitter；8, connecting line；9, first connecting rod；10, third flange；11, top dress inner float ball liquid
Position meter；12, vacuum tower；13, single-chip microcontroller；14, control panel；15, bottom fills inner float ball liquidometer；16, the second connecting rod；17, cylinder
Body；18, fixed cylinder；19, the second floating ball；20, sewage pipe；21, diaphragm seat；22, gasket；23, steam jacket heat tracing；24, solid
Dead axle；25, magnetic turning plate；26, magnetic float.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-5 is please referred to, a kind of embodiment provided by the invention: a kind of coal tar distillation VACUUM TOWER BOTTOM level gauging dress
It sets, including collet measuring cylinder 4, second flange 6, vacuum tower 12 and cylinder 17, the top of 12 side of vacuum tower is equipped with control plane
Plate 14, and the inside of control panel 14 is equipped with single-chip microcontroller 13, the bottom end of 12 other side of vacuum tower is fixed with the second connecting tube 3,
And second connecting tube 3 side between be fixed with collet measuring cylinder 4, it is fixed that the top of collet measuring cylinder 4 passes through third flange 10
There is top dress inner float ball liquidometer 11, the model of top dress inner float ball liquidometer 11 can be MAT, and push up inside dress inner float ball liquidometer 11
Bottom end be fixed with first connecting rod 9, the bottom end of first connecting rod 9 is fixed with the first floating ball 5, and the inside of collet measuring cylinder 4 is equal
Even to be provided with steam jacket heat tracing 23, collet measuring cylinder 4 is internally provided with interlayer, steam jacket heat tracing 23 in interlayer in etc.
Spacing arrangement, steam jacket heat tracing 23 can carry out heating and thermal insulation to fluid to be measured, and condensation can occur to avoid fluid to be measured will
Drain blockage is unfavorable for the measurement to liquid；
The side of collet measuring cylinder 4 is provided with double flanges differential pressure transmitter 7, and the model of double flanges differential pressure transmitter 7 can be
LT-180-181 3051, and the two sides of 7 one end of double flanges differential pressure transmitter are mounted on connecting line 8, the side of connecting line 8 is equal
Second flange 6 is installed, the bottom end of 12 side of vacuum tower is provided with cylinder 17, and the side of cylinder 17 is fixed with fixed cylinder 18,
The inside of fixed cylinder 18 is uniformly equipped with magnetic turning plate 25, and the middle position of magnetic turning plate 25 is respectively and fixedly provided with fixing axle 24, and magnetic turns over
Plate 25 constitutes overturning structure by fixing axle 24, and the half of magnetic turning plate 25 is provided with white coating, magnetic turning plate 25 the other half
It is provided with encrimson, magnetic float 26 has magneticaction to magnetic turning plate 25, so that magnetic turning plate 25 is overturn by fixing axle 24, it can
More intuitively to show the height of liquid level；
The bottom end of cylinder 17 is equipped with sewage pipe 20, and the inside of cylinder 17 is fixed with bottom dress inner float ball liquidometer 15, bottom dress
The model of inner float ball liquidometer 15 can be AICS/UHZ-185S, and the bottom end inside the dress inner float ball liquidometer 15 of bottom is equipped with the
Two connecting rods 16, the bottom end of the second connecting rod 16 are equipped with the second floating ball 19, and the inside of the first floating ball 5 and the second floating ball 19 is all provided with
It is equipped with through slot, and the diameter of through slot is respectively greater than the diameter of first connecting rod 9 and the second connecting rod 16, the first floating ball 5 and second
Floating ball 19 constitutes slide construction with first connecting rod 9 and the second connecting rod 16 respectively, so that the second floating ball 19 and the first floating ball 5 exist
In the outer Slideslip of the second connecting rod 16 and first connecting rod 9 under buoyancy, convenient for being measured to liquid；
And second the inside of floating ball 19 magnetic float 26 is installed, the bottom end of 17 side of cylinder is equipped with the first connecting tube 1, and
The side of first connecting tube 1 is equipped with first flange 2, and the bottom end of 12 two sides of vacuum tower connects with the first connecting tube 1 and second respectively
The side of adapter tube 3 is connected, and the second connecting tube 3 is connected with the top of 4 side of collet measuring cylinder with bottom end, connecting line 8 with
The top of 4 other side of collet measuring cylinder is connected with bottom end, allows fluid to be measured to pass through the first connecting tube 1 and flows into cylinder
In body 17, it can be flowed into collet measuring cylinder 4 by the second connecting tube 3, it can also be by connecting line 8 in collet measuring cylinder 4
Liquid measure；
The inside of second flange 6 is mounted on diaphragm seat 21, and the top of diaphragm seat 21 and bottom end are mounted on gasket
22, gasket 22 is in " ring " shape structure, and the quantity of gasket 22 is 2, center line pair of the gasket 22 about diaphragm seat 21
Claim setting, gasket 22 can be effectively avoided liquid and leak out from second flange 6, be unfavorable for the measurement process of liquid level, diaphragm
Seat 21 is adapted to various working environments, high reliablity and plyability is good；
The output end of control panel 14 is electrically connected by the input terminal of conducting wire and single-chip microcontroller 13, double flanges differential pressure transmitter
7, the input terminal of top dress inner float ball liquidometer 11 and bottom dress inner float ball liquidometer 15 passes through the output end of conducting wire and single-chip microcontroller 13 electricity
Property connection.
Working principle: in use, external power supply, since the first connecting tube 1 is connect by first flange 2 with vacuum tower 12, liquid
Body can be entered in cylinder 17 by the first connecting tube 1, and when being gone up and down by the liquid level in cylinder 17, the magnetic in the second floating ball 19 is floating
Son 26 is transmitted in magnetic turning plate 25 by magnetic coupling, so that magnetic turning plate 25 overturns 180 degree, 25 one side of magnetic turning plate by fixing axle 24
For red, and opposite face is white, and when liquid level rises, magnetic turning plate 25 is overturn, and switchs to red by white, the magnetic when liquid level decline
Turnover panel 25 switchs to white by red, and red white intersection is the actual height of liquid level in cylinder 17 between magnetic turning plate 25, and according to even
Logical device principle, the liquid level of cylinder 17 directly reflects the liquid level inside vacuum tower 12, to realize level gauging
Purpose, similarly, fluid to be measured are entered in collet measuring cylinder 4 by the second connecting tube 3, the steam folder in 4 interlayer of collet measuring cylinder
Set heat tracing 23 can condense to avoid liquid, while position of first floating ball 5 in measured medium is influenced by buoyancy, liquid
The variation of position leads to the variation of 5 position of the first floating ball, and the magnetic float 26 in the first floating ball 5 makes the element such as definite value contacted into circuit
The quantity of resistance changes, and then the electrical quantities of appliance circuit system is made to change, by detect electrical quantities variation come
The case where reflecting 12 liquid level of vacuum tower, and double flanges differential pressure transmitter 7 is then the pressure by measuring two 8 junctions of connecting line
Difference realize that the purpose of measurement, the instrument of three kinds of different structure principles monitor tower bottom liquid level simultaneously, complement each other, ensured and subtracted
Press tower 12 normal use, promptly and accurately reflect liquid level, for instrument work maintenance also bring convenience, thus be vacuum tower 12
The stable operation of Distallation systm provides solid guarantee.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
Claims (6)
1. a kind of coal tar distillation VACUUM TOWER BOTTOM liquid level emasuring device, including collet measuring cylinder (4), second flange (6), vacuum tower
(12) and cylinder (17), it is characterised in that: the top of vacuum tower (12) side is equipped with control panel (14), and control plane
The inside of plate (14) is equipped with single-chip microcontroller (13), and the bottom end of vacuum tower (12) other side is fixed with the second connecting tube (3), and
It is fixed between the side of second connecting tube (3) collet measuring cylinder (4), the top of the collet measuring cylinder (4) passes through third method
Blue (10) are fixed with top dress inner float ball liquidometer (11), and push up the internal bottom end of dress inner float ball liquidometer (11) and be fixed with the first company
The bottom end of extension bar (9), the first connecting rod (9) is fixed with the first floating ball (5), and the inside of the collet measuring cylinder (4) is uniform
It is provided with steam jacket heat tracing (23), the side of the collet measuring cylinder (4) is provided with double flanges differential pressure transmitter (7), and double
The two sides of flange differential pressure transmitter (7) one end are mounted on connecting line (8), and the side of the connecting line (8) is mounted on second
The bottom end of flange (6), vacuum tower (12) side is provided with cylinder (17), and the side of cylinder (17) is fixed with fixed cylinder
(18), the inside of the fixed cylinder (18) is uniformly equipped with magnetic turning plate (25), and the middle position of magnetic turning plate (25) is fixed
Have fixing axle (24), the bottom end of the cylinder (17) is equipped with sewage pipe (20), and the inside of the cylinder (17) is fixed with bottom dress
Inner float ball liquidometer (15), and the internal bottom end of bottom dress inner float ball liquidometer (15) is equipped with the second connecting rod (16), described the
The bottom end of two connecting rods (16) is equipped with the second floating ball (19), and the inside of the second floating ball (19) is equipped with magnetic float (26), institute
The bottom end for stating cylinder (17) side is equipped with the first connecting tube (1), and the side of the first connecting tube (1) is equipped with first flange
(2), the inside of the second flange (6) is mounted on diaphragm seat (21), and the top of diaphragm seat (21) and bottom end are mounted on
The output end of gasket (22), the control panel (14) is electrically connected by conducting wire and the input terminal of single-chip microcontroller (13), described
The input terminal of double flanges differential pressure transmitter (7), top dress inner float ball liquidometer (11) and bottom dress inner float ball liquidometer (15) is by leading
Line and the output end of single-chip microcontroller (13) are electrically connected.
2. a kind of coal tar distillation VACUUM TOWER BOTTOM liquid level emasuring device according to claim 1, it is characterised in that: the folder
Set measuring cylinder (4) is internally provided with interlayer, and steam jacket heat tracing (23) equally arranges in interlayer.
3. a kind of coal tar distillation VACUUM TOWER BOTTOM liquid level emasuring device according to claim 1, it is characterised in that: described
The inside of one floating ball (5) and the second floating ball (19) is provided with through slot, and the diameter of through slot be respectively greater than first connecting rod (9) and
The diameter of second connecting rod (16), the first floating ball (5) and the second floating ball (19) respectively with first connecting rod (9) and the second connecting rod
(16) slide construction is constituted.
4. a kind of coal tar distillation VACUUM TOWER BOTTOM liquid level emasuring device according to claim 1, it is characterised in that: described to subtract
The bottom end of pressure tower (12) two sides is connected with the side of the first connecting tube (1) and the second connecting tube (3) respectively, and the second connecting tube
(3) it is connected with the top of collet measuring cylinder (4) side with bottom end, the connecting line (8) and collet measuring cylinder (4) other side
Top is connected with bottom end.
5. a kind of coal tar distillation VACUUM TOWER BOTTOM liquid level emasuring device according to claim 1, it is characterised in that: described close
Packing (22) is in " ring " shape structure, and the quantity of gasket (22) is 2, center line of the gasket (22) about diaphragm seat (21)
It is symmetrical arranged.
6. a kind of coal tar distillation VACUUM TOWER BOTTOM liquid level emasuring device according to claim 1, it is characterised in that: the magnetic
Turnover panel (25) constitutes overturning structure by fixing axle (24), and the half of magnetic turning plate (25) is provided with white coating, magnetic turning plate
(25) the other half is provided with encrimson.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910436912.6A CN110081952A (en) | 2019-05-24 | 2019-05-24 | A kind of coal tar distillation VACUUM TOWER BOTTOM liquid level emasuring device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910436912.6A CN110081952A (en) | 2019-05-24 | 2019-05-24 | A kind of coal tar distillation VACUUM TOWER BOTTOM liquid level emasuring device |
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| CN201910436912.6A Pending CN110081952A (en) | 2019-05-24 | 2019-05-24 | A kind of coal tar distillation VACUUM TOWER BOTTOM liquid level emasuring device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112844265A (en) * | 2020-12-31 | 2021-05-28 | 宁波巨化化工科技有限公司 | Liquid level detection device for chloroethane synthesis protection reactor |
| CN113945257A (en) * | 2021-11-11 | 2022-01-18 | 中冶焦耐(大连)工程技术有限公司 | Liquid level meter for industrial naphthalene distillation tower |
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Application publication date: 20190802 |