CN108362357B - Liquid sulfur level measuring device of pure oxygen method sulfur incinerator - Google Patents
Liquid sulfur level measuring device of pure oxygen method sulfur incinerator Download PDFInfo
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- CN108362357B CN108362357B CN201810365515.XA CN201810365515A CN108362357B CN 108362357 B CN108362357 B CN 108362357B CN 201810365515 A CN201810365515 A CN 201810365515A CN 108362357 B CN108362357 B CN 108362357B
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- 229910052717 sulfur Inorganic materials 0.000 title claims abstract description 162
- 239000011593 sulfur Substances 0.000 title claims abstract description 162
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 title claims abstract description 156
- 239000007788 liquid Substances 0.000 title claims abstract description 128
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 title claims abstract description 14
- 238000000034 method Methods 0.000 title claims abstract description 13
- 239000007789 gas Substances 0.000 claims abstract description 138
- 239000012071 phase Substances 0.000 claims abstract description 97
- 239000007791 liquid phase Substances 0.000 claims abstract description 90
- 238000000605 extraction Methods 0.000 claims abstract description 46
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 27
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 27
- 239000001301 oxygen Substances 0.000 claims abstract description 27
- 238000012545 processing Methods 0.000 claims abstract description 17
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 53
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 44
- 239000011449 brick Substances 0.000 claims description 35
- 229910052757 nitrogen Inorganic materials 0.000 claims description 22
- 238000007664 blowing Methods 0.000 claims description 16
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 12
- 239000010962 carbon steel Substances 0.000 claims description 12
- 238000005259 measurement Methods 0.000 claims description 8
- 238000005070 sampling Methods 0.000 claims description 8
- 238000004891 communication Methods 0.000 claims description 7
- 229910052593 corundum Inorganic materials 0.000 claims description 6
- 239000010431 corundum Substances 0.000 claims description 6
- 238000009826 distribution Methods 0.000 claims description 6
- 239000010425 asbestos Substances 0.000 claims description 3
- 229910052895 riebeckite Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims 1
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 abstract description 38
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000002485 combustion reaction Methods 0.000 abstract 1
- 239000011344 liquid material Substances 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 description 6
- 239000002912 waste gas Substances 0.000 description 6
- 238000001816 cooling Methods 0.000 description 5
- 230000001276 controlling effect Effects 0.000 description 4
- 238000001514 detection method Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 239000004927 clay Substances 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000012824 chemical production Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000012946 outsourcing Methods 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 125000000864 peroxy group Chemical group O(O*)* 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
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- 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
- G01F23/22—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 measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
- G01F23/28—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 measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
- G01F23/284—Electromagnetic waves
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Fluid Mechanics (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Abstract
The utility model discloses a liquid sulfur level measuring device of a pure oxygen method sulfur incinerator, which comprises a sulfur incinerator, wherein a sulfur inlet pipe and an oxygen inlet pipe which are communicated with the sulfur incinerator are arranged on the outer wall of the sulfur incinerator; comprises a measuring tank provided with SO communicated with the measuring tank 2 A blowback pipe; the inner periphery of the measuring tank is provided with a first steam jacket; a gas phase eduction tube outer tube and a liquid phase eduction tube outer tube are arranged between the sulfur incinerator and the measuring tank, and two ends of the gas phase eduction tube outer tube and two ends of the liquid phase eduction tube outer tube are respectively communicated with the sulfur incinerator and the measuring tank; the inner periphery of the outer tube of the gas phase extraction tube and the inner periphery of the outer tube of the liquid phase extraction tube are respectively provided with a second steam jacket and a third steam jacket; the device comprises a liquid crystal display module, a data acquisition module, a data processing module, an AND circuit module, an alarm device and a PLC. The utility model solves the problem that the liquid level of the high-temperature liquid material with the combustion temperature of more than 1000 ℃ can not be measured, improves the accuracy of measuring the liquid level of the sulfur burning furnace, and ensures the safety, high efficiency and stability of the sulfur dioxide production process.
Description
Technical Field
The utility model belongs to the technical field of chemical production equipment, and particularly relates to a measuring device for indirectly measuring the liquid level of materials in a high-temperature furnace.
Background
The sulfur incinerator in the pure oxygen process sulfur dioxide producing apparatus is one kind of horizontal cylinder apparatus with heat insulating brick and fireproof brick lining. The production principle is that liquid sulfur (135 ℃) is pumped into a sulfur incinerator by a pump, meanwhile, oxygen is introduced, gaseous sulfur evaporated on the surface of the liquid sulfur and the oxygen are burnt to generate oxidation reaction, sulfur dioxide gas is generated, and a large amount of heat is emitted, and the chemical equation is as follows:
s (Sulfur) +O 2 (oxygen) →SO 2 (Sulfur dioxide)
Because of the great amount of heat released in the reaction, the temperature of the gas phase part in the sulfur burning furnace is up to about 1000 deg.c and the temperature of the liquid phase part boiling layer is up to 444 deg.c. Because the liquid sulfur has poor heat conducting property, the temperature of the liquid sulfur is gradually decreased from top to bottom, and the bottom temperature is about 150 ℃. Due to the characteristics of high material viscosity, high gas phase temperature in the furnace and the like, a proper liquid level measuring method and a proper measuring instrument are not found in the liquid level of the sulfur incinerator in the device for producing sulfur dioxide by the pure oxygen method at present.
It is common practice in the chemical industry to determine the residual amount of liquid sulfur in the furnace by observing the color of the fire through a sight glass. When the liquid level is at normal level, the fire color is purple, and when the liquid level is lower, the fire is pale, and liquid sulfur is quantitatively supplemented. According to the operation regulations, the liquid level of the liquid sulfur in the sulfur-burning furnace needs to be controlled to be 1/4 to 1/3 of the effective height in the furnace, and the highest liquid level is not more than the height of the oxygen inlet pipe. If the work responsibility of operators is not strong, and the professional quality is not too hard, the liquid sulfur level is very likely to exceed the oxygen inlet pipe, the liquid sulfur can enter the oxygen inlet pipe to burn, the oxygen inlet pipe can be burnt out, severe accidents such as tank diffusion, no liquid sulfur in the furnace and the like can be caused, the system is stopped if the system is light, and serious consequences such as explosion of an oil-containing compressor are caused by the peroxy.
In the industry, in order to prevent the sulfur inlet liquid level from exceeding the height of the oxygen inlet pipe, an overflow pipe is arranged at the outer wall 10cm below the oxygen inlet pipe, but a higher liquid seal is arranged outside the furnace, and the risk of sulfur dioxide gas leakage exists. Therefore, it is important that the liquid level of the sulfur burner can be measured and monitored in real time.
Among the prior art, chinese patent publication No. CN 205593613U discloses a heating furnace water seal tank liquid level measuring device, and heating furnace water seal tank liquid level measuring device includes: one end of the communication mechanism is communicated with the lower end of the water seal tank; the water tank is communicated with the other end of the communication mechanism; the buoy is arranged in the water tank; one end of the conduction mechanism is connected with the buoy and is fixed on the water tank; the measuring mechanism is connected with the other end of the conduction mechanism and is connected with the walking beam of the heating furnace and the primary control system of the heating furnace.
The above patent has the following technical defects:
1. the liquid level measuring device is only suitable for measuring the liquid level of the water solution at about 100 ℃, the temperature requirement of the measured liquid is low, and the liquid level measuring device is not suitable for measuring the liquid level of the solution with high temperature, toxicity and strong corrosiveness;
2. the liquid level measuring device has low automation level, does not have alarming and displaying functions, and has larger error in liquid level measurement.
Disclosure of Invention
Aiming at the problems in the prior art, the utility model provides the liquid sulfur level measuring device of the pure oxygen sulfur incinerator, which is used for indirectly measuring the liquid sulfur level in the high-temperature sulfur incinerator, improving the accuracy of liquid sulfur level measurement in the high-temperature sulfur incinerator, reducing the labor intensity of the physical power, having high automation degree and providing an effective measuring method with better feasibility for high-temperature liquid level measurement in the industry.
In order to solve the technical problems, the utility model adopts a technical scheme that:
the liquid sulfur liquid level measuring device of the pure oxygen method sulfur incinerator is connected with the sulfur incinerator, a sulfur inlet pipe and an oxygen inlet pipe which are communicated with the sulfur incinerator are arranged on the outer wall of the sulfur incinerator, a sulfur inlet ball valve for controlling sulfur inlet flow is arranged on the sulfur inlet pipe, and an oxygen inlet ball valve for controlling oxygen inlet flow is arranged on the oxygen inlet pipe;
the liquid level measuring device comprises a measuring tank, wherein the measuring tank is provided with SO communicated with the measuring tank 2 Blowback pipe, the SO 2 SO is arranged on the back blowing pipe 2 Ball valve and SO 2 A pneumatic shut-off valve;
the periphery of the measuring tank is provided with a first steam jacket, the first steam jacket is respectively communicated with a first steam inlet pipe and a first condensate water outlet pipe, a first steam stop valve is arranged on the first steam inlet pipe, a first condensate water stop valve is arranged on the first condensate water outlet pipe, and steam enters the first steam jacket through the first steam inlet pipe and flows out through the first condensate water outlet pipe after being condensed;
a gas phase eduction tube outer tube and a liquid phase eduction tube outer tube are arranged between the sulfur burning furnace and the measuring tank, one end of the gas phase eduction tube outer tube is communicated with the sulfur burning furnace, the other end of the gas phase eduction tube outer tube is communicated with the measuring tank, one end of the liquid phase eduction tube outer tube is communicated with the sulfur burning furnace, and the other end of the liquid phase eduction tube outer tube is communicated with the measuring tank;
the periphery of the outer tube of the gas phase extraction tube is provided with a second steam jacket which is respectively communicated with a second steam inlet tube and a second condensate water outlet tube, the second steam inlet tube is provided with a second steam stop valve, the second condensate water outlet tube is provided with a second condensate water stop valve, the outer tube of the gas phase extraction tube is provided with a gas phase stop valve, and the gas phase stop valve is positioned between the second steam inlet tube and the second condensate water outlet tube;
the outer periphery of the liquid phase extraction pipe outer pipe is provided with a third steam jacket which is respectively communicated with a third steam inlet pipe and a third condensate water outlet pipe, the third steam inlet pipe is provided with a third steam stop valve, the third condensate water outlet pipe is provided with a third condensate water stop valve, the liquid phase extraction pipe outer pipe is provided with a liquid phase stop valve, and the liquid phase stop valve is positioned between the third steam inlet pipe and the third condensate water outlet pipe;
the liquid level measuring device further comprises a first remote thermometer, a second remote thermometer, a radar liquid level meter, a remote pressure meter, a liquid crystal display module, a data acquisition module, a data processing module, an AND circuit module, an alarm device and a PLC (programmable logic controller), wherein the first remote thermometer, the second remote thermometer, the radar liquid level meter and the remote pressure meter are all electrically connected with the input end of the data acquisition module, the output end of the data acquisition module is electrically connected with the input end of the AND circuit module, the output end of the AND circuit module is electrically connected with the input end of the data processing module, and the output end of the data processing module is electrically connected with the PLC;
the output end of the PLC is also respectively connected with the alarm device, the liquid crystal display module and the SO 2 The pneumatic cut-off valve, the gas phase cut-off valve and the liquid phase cut-off valve are electrically connected;
the first remote thermometer is inserted into the liquid sulfur in the measuring tank and is used for measuring the temperature of the liquid sulfur, the second remote thermometer is used for measuring the temperature of a gas phase part of the liquid sulfur, the radar level gauge is used for measuring the liquid level height of the liquid sulfur in the measuring tank, and the remote thermometer is used for measuring the internal pressure of the measuring tank;
the second remote thermometer, the radar liquid level gauge and the remote pressure gauge are all arranged on a flange cover at the upper end of the measuring tank.
The utility model aims to solve the technical problems, and adopts the following further technical scheme:
further, the gas phase extraction pipe outer pipe and the liquid phase extraction pipe outer pipe are both arranged at the communication part with the sulfur burning furnace and extend towards the inside of the sulfur burning furnace to form a gas phase extraction pipe inner pipe and a liquid phase extraction pipe inner pipe respectively, a high temperature resistant corundum pipe is sleeved in the gas phase extraction pipe inner pipe, and an asbestos rope is filled between the gas phase extraction pipe inner pipe and the high temperature resistant corundum pipe.
Further, refractory clay layers are filled between the refractory brick insulating brick layer and the inner pipe of the gas phase eduction tube and the inner pipe of the liquid phase eduction tube.
Further, the horizontal line of the lowest point of the bottom of the sulfur incinerator is taken as the reference height, the gas phase extraction pipe inner pipe is positioned above the liquid phase extraction pipe inner pipe, the horizontal height of the gas phase extraction pipe inner pipe is larger than the liquid level of the liquid sulfur in the sulfur incinerator, and the horizontal height of the liquid phase extraction pipe inner pipe is smaller than the liquid level of the liquid sulfur in the sulfur incinerator.
Further, a layer of refractory brick insulating brick layer is arranged on the inner periphery of the sulfur burning furnace, the distance between the inner pipe of the gas phase eduction tube and the highest point of the inner wall of the refractory brick insulating brick layer is 10cm, and the distance between the inner pipe of the liquid phase eduction tube and the lowest point of the inner wall of the refractory brick insulating brick layer is 10cm.
Further, the liquid level measuring device comprises SO 2 Cooler, SO 2 Compressor and SO 2 A main exhaust pipe, the SO 2 Air inlet pipe of cooler and SO of sulfur incinerator 2 The outlet pipe orifice is communicated with the SO 2 An air outlet pipe of the cooler and the SO 2 An air inlet pipe orifice of the compressor is communicated, and the SO 2 An air outlet pipe of the compressor and the SO 2 The air inlet pipe orifice of the back blowing pipe is communicated, and the SO 2 The air outlet pipe of the compressor is also connected with the SO 2 The main exhaust pipe is connected;
the SO 2 SO in the blowback pipe 2 The gas is derived from the sulfur-burning furnaceThe produced water passes through the SO 2 A cooler cooling and passing the SO 2 SO compressed by compressor 2 And (3) gas.
Further, the gas phase extraction tube inner tube outer tube, the liquid phase extraction tube outer tube and the liquid phase extraction tube inner tube are all made of stainless steel tubes with specification DN 50.
Further, the oxygen inlet pipe, the first steam inlet pipe, the first condensed water outlet pipe and the SO 2 The blowback pipes are all made of carbon steel pipes with DN25 specification.
Further, the liquid level measuring device comprises a 0.4MPa steam distribution tank, and steam delivery ports of the 0.4MPa steam distribution tank are connected with a steam inlet pipe orifice of the first steam inlet pipe, a steam inlet pipe orifice of the second steam inlet pipe and a steam inlet pipe orifice of the third steam inlet pipe.
Further, the liquid level measuring device further comprises a nitrogen tank, a nitrogen pipe, an exhaust pipe, a gas sampling pipe, an exhaust pipe and a waste gas treatment device, one end of the nitrogen pipe is communicated with the measuring tank at the top of the measuring tank, the other end of the nitrogen pipe is connected with a gas outlet pipe orifice of the nitrogen tank, one end of the exhaust pipe is communicated with the measuring tank at the top of the measuring tank, a carbon steel tee joint is arranged at the other end of the exhaust pipe, one port of the carbon steel tee joint is connected with the waste gas treatment device through the exhaust pipe, and the other port of the carbon steel tee joint is connected with the gas sampling pipe.
The beneficial effects of the utility model are as follows:
1. the utility model relates to a sulfur incinerator, which is characterized in that a gas phase eduction tube outer tube and a liquid phase eduction tube outer tube are arranged between the sulfur incinerator and a measuring tank, one end of the gas phase eduction tube outer tube is communicated with the sulfur incinerator, the other end of the gas phase eduction tube outer tube is communicated with the measuring tank, one end of the liquid phase eduction tube outer tube is communicated with the measuring tank, the other end of the liquid phase eduction tube outer tube is communicated with the sulfur incinerator, so that the gas phase part in the sulfur incinerator is communicated with the gas phase part in the measuring tank, the liquid phase part in the sulfur incinerator is communicated with the liquid phase part in the measuring tank, a U-shaped tube is formed, and the indirect measurement of the material liquid level in the sulfur incinerator is realized by means of the principle of the U-shaped tubeAnd the measuring tank is connected with SO 2 Blowback pipe, low temperature SO 2 High temperature SO with gas-to-gas phase eduction tube entering measuring tank 2 The gas is subjected to back blowing, cooling and isolation treatment, so that the temperature of the measuring tank is ensured to be suitable for detection of the liquid level sensor, and the pressure in the measuring tank is kept or nearly identical with the pressure in the sulfur burning furnace, thereby indirectly measuring the liquid level of the liquid sulfur in the high-temperature sulfur burning furnace;
2. the peripheries of the outer tube of the gas phase eduction tube and the outer tube of the liquid phase eduction tube are respectively provided with a steam jacket, the steam jackets are respectively communicated with the steam inlet tube and the condensed water outlet tube, the steam inlet tube is provided with a steam stop valve, the condensed water outlet tube is provided with a condensed water stop valve, the outer tube of the gas phase eduction tube and the outer tube of the liquid phase eduction tube are respectively provided with a stop valve, when the outer tube of the gas phase eduction tube and the outer tube of the liquid phase eduction tube are blocked, steam can be introduced into the steam jackets through the steam inlet tube for heating, so that solid sulfur is melted, the outer tube of the gas phase eduction tube and the outer tube of the liquid phase eduction tube are ensured to be conducted, inaccurate liquid level measurement caused by the blockage of the pipeline by the solid sulfur is avoided, and the stability and reliability of liquid level measurement of the liquid sulfur are further improved;
3. the device for detecting the data comprises a first remote thermometer, a second remote thermometer, a radar liquid level meter and a remote pressure meter, wherein the first remote thermometer, the second remote thermometer, the radar liquid level meter and the remote pressure meter are all electrically connected with the input end of a data acquisition module, the output end of the data acquisition module is electrically connected with the input end of an AND circuit module, the output end of the AND circuit module is electrically connected with the input end of a data processing module, and the output end of the data processing module is electrically connected with a PLC (programmable logic controller) which is electrically connected with an alarm device and a liquid crystal display module respectively, so that the functions of real-time processing, display, super-threshold alarm and the like of detected data are realized, the automation level is high, the manual labor is reduced, the operation safety is guaranteed, and the efficiency is high;
4. the distance between the inner pipe of the liquid phase eduction pipe and the lowest point of the inner wall of the refractory brick insulating brick layer is 10cm, a larger deposition space allowance is reserved, impurities in liquid sulfur are prevented from being deposited on the bottom of the furnace, the pipe orifice of the liquid phase eduction pipe is blocked, the blocking of the liquid phase eduction pipe is avoided, and the fluxion of the liquid sulfur in the liquid phase eduction pipe is improved;
5. the PLC of the utility model collects and sends the temperature, liquid level, pressure and other data of the measuring tank to the DCS distributed control system based on Ethernet communication through the first remote thermometer, the second remote thermometer, the radar liquid level meter and the remote pressure meter, and an operator faces SO through the host interface of the DCS distributed control system 2 The pneumatic cut-off valve, the gas phase cut-off valve and the liquid phase cut-off valve are remotely controlled and configured in parameters, so that the degree of automation is high, the labor intensity is saved, and the risk coefficient of site construction is reduced;
6. the utility model is also provided with a nitrogen tank, a nitrogen pipe, an exhaust pipe, a gas sampling pipe, an exhaust pipe and an exhaust gas treatment device, when the related detection equipment of the measuring tank fails and needs to be overhauled, the gas phase cut-off valve, the liquid phase cut-off valve and the SO are closed 2 The back-blowing shut-off valve is opened, nitrogen in the nitrogen tank is conveyed into the measuring tank through the nitrogen pipe, sulfur dioxide gas in the measuring tank is replaced, and sulfur dioxide toxic gas is discharged from the measuring tank to the waste gas treatment device through the exhaust pipe;
7. SO of the utility model 2 SO in the blowback pipe 2 The gas is SO produced by a sulfur incinerator and compressed and cooled by a compressor 2 The gas has a temperature of about 80 ℃ and can be used for high-temperature SO from a sulfur-burning furnace 2 The gas is back-blown, cooled and isolated, and SO is used for 2 The gas originates from a self-production system, inThe temperature of the measuring tank is ensured to be suitable for detection of the liquid level sensor, the labor intensity of workers is also reduced, outsourcing transportation of dangerous chemicals is avoided, the stability of a production system is ensured, and the raw material cost is saved.
The foregoing description is only an overview of the present utility model, and is intended to provide a better understanding of the present utility model, as it is embodied in the following description, with reference to the preferred embodiments of the present utility model and the accompanying drawings.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a control schematic of the present utility model;
the parts in the drawings are marked as follows:
1 of a sulfur incinerator, 2 of a sulfur inlet pipe, 3 of an oxygen inlet pipe, 4 of a sulfur inlet ball valve, 5 of an oxygen inlet ball valve, 6 of a measuring tank and SO 2 Blowback pipe 7, SO 2 Ball valve 8, SO 2 Pneumatic shut-off valve 9, first steam jacket 10, first steam inlet pipe 11, first condensate outlet pipe 12, first steam shut-off valve 13, first condensate shut-off valve 14, gas phase outlet pipe outer pipe 15, liquid phase outlet pipe outer pipe 16, second steam jacket 17, second steam inlet pipe 18, second condensate outlet pipe 19, second steam shut-off valve 20, second condensate shut-off valve 21, gas phase shut-off valve 22, third steam jacket 23, third steam inlet pipe 24, third condensate outlet pipe 25, third steam shut-off valve 26, third condensate shut-off valve 27, liquid phase shut-off valve 28, first remote thermometer 29, second remote thermometer 30, radar level gauge 31, remote manometer 32, liquid crystal display module 33, data acquisition module 34, data processing module 35, "AND" circuit module 36, alarm device 37, PLC controller 38, refractory brick layer 39, gas phase outlet pipe inner pipe 40, liquid phase outlet pipe inner pipe 41, high temperature resistant tube 42, SO 2 Cooler 43, SO 2 Compressor 44, SO 2 Main exhaust pipe 45, SO 2 Intake pipe 46 of the cooler, said SO 2 Outlet duct 47 of the cooler, said SO 2 An air outlet pipe 48, a nitrogen pipe 49, an air outlet pipe 50, a gas sampling pipe 51, an exhaust pipe 52, an inner pipe of the gas phase eduction pipe and the refractory brick of the compressorWen Zhuanceng, a distance D2 between the liquid phase extraction pipe inner pipe and the lowest point of the inner wall of the refractory brick layer, a horizontal height H1 of the gas phase extraction pipe inner pipe, a liquid level H2 of liquid sulfur in the sulfur incinerator and a horizontal height H3 of the liquid phase extraction pipe inner pipe.
Detailed Description
The following specific embodiments of the utility model are described in order to provide those skilled in the art with an understanding of the present disclosure. The utility model may be embodied in other different forms, i.e., modified and changed without departing from the scope of the utility model.
Examples: the liquid sulfur level measuring device of the pure oxygen method sulfur burner is connected with a sulfur burner 1 as shown in fig. 1 and 2, wherein the outer wall of the sulfur burner is provided with a sulfur inlet pipe 2 and an oxygen inlet pipe 3 which are communicated with the sulfur burner, the sulfur inlet pipe is provided with a sulfur inlet ball valve 4 for controlling sulfur inlet flow, and the oxygen inlet pipe is provided with an oxygen inlet ball valve 5 for controlling oxygen inlet flow;
the liquid level measuring device comprises a measuring tank 6 provided with SO communicated with the measuring tank 2 Blowback pipe 7, said SO 2 SO is arranged on the back blowing pipe 2 Ball valve 8 and SO 2 A pneumatic shut-off valve 9;
the periphery of the measuring tank is provided with a first steam jacket 10 which is respectively communicated with a first steam inlet pipe 11 and a first condensate water outlet pipe 12, a first steam stop valve 13 is arranged on the first steam inlet pipe, a first condensate water stop valve 14 is arranged on the first condensate water outlet pipe, and steam enters the first steam jacket through the first steam inlet pipe and flows out through the first condensate water outlet pipe after being condensed;
a gas phase eduction tube outer tube 15 and a liquid phase eduction tube outer tube 16 are arranged between the sulfur burner and the measuring tank, one end of the gas phase eduction tube outer tube is communicated with the sulfur burner, the other end of the gas phase eduction tube outer tube is communicated with the measuring tank, one end of the liquid phase eduction tube outer tube is communicated with the sulfur burner, and the other end of the liquid phase eduction tube outer tube is communicated with the measuring tank;
the periphery of the outer pipe of the gas phase extraction pipe is provided with a second steam jacket 17 which is respectively communicated with a second steam inlet pipe 18 and a second condensate water outlet pipe 19, the second steam inlet pipe is provided with a second steam stop valve 20, the second condensate water outlet pipe is provided with a second condensate water stop valve 21, the outer pipe of the gas phase extraction pipe is provided with a gas phase stop valve 22, and the gas phase stop valve is positioned between the second steam inlet pipe and the second condensate water outlet pipe;
a third steam jacket 23 is arranged on the periphery of the outer tube of the liquid phase extraction tube, and is respectively communicated with a third steam inlet tube 24 and a third condensate water outlet tube 25, a third steam stop valve 26 is arranged on the third steam inlet tube, a third condensate water stop valve 27 is arranged on the third condensate water outlet tube, a liquid phase stop valve 28 is arranged on the outer tube of the liquid phase extraction tube, and the liquid phase stop valve is positioned between the third steam inlet tube and the third condensate water outlet tube;
the liquid level measuring device further comprises a first remote thermometer 29, a second remote thermometer 30, a radar liquid level meter 31, a remote pressure meter 32, a liquid crystal display module 33, a data acquisition module 34, a data processing module 35, an AND circuit module 36, an alarm device 37 and a PLC 38, wherein the first remote thermometer, the second remote thermometer, the radar liquid level meter and the remote pressure meter are all electrically connected with the input end of the data acquisition module, the output end of the data acquisition module is electrically connected with the input end of the AND circuit module, the output end of the AND circuit module is electrically connected with the input end of the data processing module, and the output end of the data processing module is electrically connected with the PLC;
the output end of the PLC is also respectively connected with the alarm device, the liquid crystal display module and the SO 2 The pneumatic cut-off valve, the gas phase cut-off valve and the liquid phase cut-off valve are electrically connected;
the first remote thermometer is inserted into the liquid sulfur in the measuring tank and is used for measuring the temperature of the liquid sulfur, the second remote thermometer is used for measuring the temperature of a gas phase part of the liquid sulfur, the radar level gauge is used for measuring the liquid level height of the liquid sulfur in the measuring tank, and the remote thermometer is used for measuring the internal pressure of the measuring tank;
the second remote thermometer, the radar liquid level gauge and the remote pressure gauge are all arranged on a flange cover at the upper end of the measuring tank.
The method is characterized in that a horizontal line of the lowest point of the bottom of the sulfur incinerator is used as a reference height, the gas phase extraction pipe inner pipe is located above the liquid phase extraction pipe inner pipe, the horizontal height H1 of the gas phase extraction pipe inner pipe is larger than the liquid level H2 of liquid sulfur in the sulfur incinerator, and the horizontal height H3 of the liquid phase extraction pipe inner pipe is smaller than the liquid level H2 of the liquid sulfur in the sulfur incinerator.
The inner periphery of the sulfur incinerator is provided with a layer of refractory brick insulating brick layer 39, the distance D1 between the inner pipe of the gas phase eduction pipe and the highest point of the inner wall of the refractory brick insulating brick layer is 10cm, and the distance D2 between the inner pipe of the liquid phase eduction pipe and the lowest point of the inner wall of the refractory brick insulating brick layer is 10cm.
The gas phase extraction pipe outer pipe and the liquid phase extraction pipe outer pipe are both arranged at the communication part with the sulfur incinerator and extend towards the inside of the sulfur incinerator to form a gas phase extraction pipe inner pipe 40 and a liquid phase extraction pipe inner pipe 41 respectively, a high temperature resistant corundum pipe 42 is sleeved in the gas phase extraction pipe inner pipe, and an asbestos rope is filled between the gas phase extraction pipe inner pipe and the high temperature resistant corundum pipe.
And a refractory clay layer is filled between the refractory brick insulating brick layer and the inner pipe of the gas phase eduction pipe and the inner pipe of the liquid phase eduction pipe.
The liquid level measuring device comprises SO 2 Cooler 43, SO 2 Compressor 44 and SO 2 A main exhaust pipe 45, the SO 2 Air inlet pipe 46 of cooler and SO of sulfur incinerator 2 The outlet pipe orifice is communicated with the SO 2 The outlet pipe 47 of the cooler is connected with the SO 2 An air inlet pipe orifice of the compressor is communicated, and the SO 2 An outlet pipe 48 of the compressor and the SO 2 Back blowingThe inlet pipe mouth of the pipe is communicated, and the SO 2 The air outlet pipe of the compressor is also connected with the SO 2 The main exhaust pipe is connected;
the SO 2 SO in the blowback pipe 2 The gas is generated by the sulfur burning furnace and passes through the SO 2 A cooler cooling and passing the SO 2 SO compressed by compressor 2 And (3) gas.
The gas phase eduction tube inner tube, the gas phase eduction tube outer tube, the liquid phase eduction tube outer tube and the liquid phase eduction tube inner tube are all made of stainless steel tubes with specification DN 50.
The oxygen inlet pipe, the first steam inlet pipe, the first condensed water outlet pipe and the SO 2 The blowback pipes are all made of carbon steel pipes with DN25 specification.
The liquid level measuring device comprises a 0.4MPa steam distribution tank, and steam inlets of the 0.4MPa steam distribution tank are connected with a steam inlet pipe orifice of the first steam inlet pipe, a steam inlet pipe orifice of the second steam inlet pipe and a steam inlet pipe orifice of the third steam inlet pipe.
The liquid level measuring device further comprises a nitrogen tank, a nitrogen pipe 49, an exhaust pipe 50, a gas sampling pipe 51, an exhaust pipe 52 and a waste gas treatment device, one end of the nitrogen pipe is communicated with the measuring tank at the top of the measuring tank, the other end of the nitrogen pipe is connected with an outlet pipe orifice of the nitrogen tank, one end of the exhaust pipe is communicated with the measuring tank at the top of the measuring tank, a carbon steel tee joint is arranged at the other end of the exhaust pipe, one port of the carbon steel tee joint is connected with the waste gas treatment device through the waste gas pipe, and the other port of the carbon steel tee joint is connected with the gas sampling pipe.
The working process and working principle of the utility model are as follows:
the utility model discloses a sulfur incinerator, which is characterized in that a gas phase eduction tube outer tube and a liquid phase eduction tube outer tube are arranged between the sulfur incinerator and a measuring tank, one end of the gas phase eduction tube outer tube is communicated with the sulfur incinerator, the other end of the gas phase eduction tube outer tube is communicated with the measuring tank, one end of the liquid phase eduction tube outer tube is communicated with the sulfur incinerator, and the other end of the liquid phase eduction tube outer tube is communicated with the measuring tank, so that a gas phase part in the sulfur incinerator is communicated with a gas phase in the measuring tankPart of the liquid phase part in the sulfur incinerator is communicated with the liquid phase part in the measuring tank, SO that a U-shaped pipe is formed, the liquid level of the material in the sulfur incinerator is indirectly measured by virtue of the principle of the U-shaped pipe, and the measuring tank is connected with SO 2 Blowback pipe for introducing high-temperature SO into measuring tank 2 The gas is subjected to back blowing, cooling and isolation treatment, so that the temperature of the measuring tank is ensured to be suitable for detection by a sensor, and the pressure intensity in the measuring tank and the pressure intensity in the sulfur incinerator are kept or are nearly consistent, thereby indirectly measuring the liquid level of liquid sulfur in the high-temperature sulfur incinerator;
the peripheries of the outer tube of the gas phase eduction tube and the outer tube of the liquid phase eduction tube are respectively provided with a steam jacket, the steam jackets are respectively communicated with a steam inlet tube and a condensed water outlet tube, the steam inlet tube is provided with a steam stop valve, the condensed water outlet tube is provided with a condensed water stop valve, the outer tube of the gas phase eduction tube and the outer tube of the liquid phase eduction tube are respectively provided with a stop valve, when the gas phase eduction tube and the liquid phase eduction tube are blocked, steam can be introduced into the steam jackets through the steam inlet tube for heating, so that solid sulfur is melted, the conduction of the gas phase eduction tube and the liquid phase eduction tube is ensured, and inaccurate liquid level measurement caused by the blockage of the pipeline by the solid sulfur is avoided;
the device for detecting comprises a first remote thermometer, a second remote thermometer, a radar liquid level meter and a remote pressure meter, wherein the first remote thermometer, the second remote thermometer, the radar liquid level meter and the remote pressure meter are all electrically connected with the input end of a data acquisition module, the output end of the data acquisition module is electrically connected with the input end of an AND circuit module, the output end of the AND circuit module is electrically connected with the input end of a data processing module, the data processing module is electrically connected with a PLC (programmable logic controller), and the output end of the PLC is respectively electrically connected with an alarm device and a liquid crystal display module, so that the functions of real-time processing, display, super-threshold alarm and the like of detected data are realized;
the PLC of the utility model collects and sends data such as temperature, liquid level, pressure and the like of the measuring tank through the first remote thermometer, the second remote thermometer, the radar liquid level meter and the remote pressure meter to the DCS distributed control system based on Ethernet communication, and an operator remotely controls and configures parameters of the gas phase cut-off valve and the liquid phase cut-off valve through a host interface of the DCS distributed control system;
the distance between the inner pipe of the liquid phase eduction pipe and the lowest point of the inner wall of the refractory brick insulating brick layer is 10cm, so that a larger deposition space allowance is reserved, and the impurities deposited on the bottom of the furnace in the liquid sulfur are prevented from blocking the pipe orifice of the inner pipe of the liquid phase eduction pipe;
during normal production, the heat preservation steam of the liquid phase eduction tube, the measuring tank and the shut-off valve must be normally opened, the outer tube of the gas phase eduction tube is not required to be insulated under normal conditions, if the pressure difference exists in the furnace and the tank, the steam is required to be opened to heat and melt sulfur, the shut-off valve of the gas phase eduction tube and the liquid phase eduction tube and the shut-off valve of the sulfur dioxide blowback gas pipeline are in an open state during normal production, SO 2 SO after the compressor is treated by the refining equipment 2 Compressing the gas, and reducing the output quantity of the compressor and high-pressure SO 2 The gas is sent into a sulfur dioxide back-blowing gas pipeline and is conveyed into a measuring tank through the sulfur dioxide back-blowing gas pipeline, so that gas-phase sulfur dioxide in the measuring tank is cooled and kept in a low-temperature state;
in case of emergency, the shut-off valve can be closed promptly, such as liquid sulfur leakage, sulfur dioxide gas leakage, etc. If the liquid level of the liquid sulfur is too high or too low or the pressure in the furnace is too high, an alarm device is triggered to remind operators of SO through a host interface of the DCS distributed control system 2 The back-blowing gas cut-off valve, the gas phase cut-off valve and the liquid phase cut-off valve are remotely controlled and configured with parameters;
the steam quantity and the sulfur dioxide blowback gas quantity which are introduced into each steam jacket can be manually adjusted by a valve according to the liquid phase temperature and the gas phase temperature of sulfur;
before the system is stopped, the gas phase cut-off valve is required to be closed firstly, then the sulfur dioxide back-blowing gas cut-off valve is required to be closed, the sulfur dioxide back-blowing gas cut-off valve is required to be opened firstly during the starting, then the gas phase cut-off valve is opened, the gas phase temperature is observed, the sulfur dioxide back-blowing gas manual valve is reasonably regulated, the air inflow is controlled, and the liquid phase cut-off valve can be in a normally open state;
when the accessories of the measuring tank, such as a radar liquid level meter, a remote pressure gauge and a remote thermometer, need to be overhauled, the gas phase cut-off valve, the liquid phase cut-off valve and the sulfur dioxide cut-off valve are all closed, and meanwhile, nitrogen is introduced to replace sulfur dioxide gas in the measuring tank, so that the overhauling can be achieved;
SO of the utility model 2 SO in the blowback pipe 2 The gas is SO produced by a sulfur incinerator and compressed and cooled by a compressor 2 The gas has a temperature of about 80 ℃ and can be used for high-temperature SO from a sulfur-burning furnace 2 And (5) carrying out back blowing, cooling and isolating treatment on the gas.
The foregoing description is only illustrative of the present utility model and is not to be construed as limiting the scope of the utility model, and all equivalent structures made by the description of the utility model and the accompanying drawings, or direct or indirect application in other related technical fields, are equally included in the scope of the utility model.
Claims (6)
1. The utility model provides a pure oxygen method sulfur burner liquid sulfur liquid level measurement device, its with burn sulfur stove (1) and be connected, its characterized in that: the said
The outer wall of the sulfur incinerator is provided with a sulfur inlet pipe (2) and an oxygen inlet pipe (3) which are communicated with the sulfur incinerator, the sulfur inlet pipe is provided with a sulfur inlet ball valve (4) for controlling the flow of sulfur inlet, and the oxygen inlet pipe is provided with an oxygen inlet ball valve (5) for controlling the flow of oxygen inlet;
the liquid level measuring device comprises a measuring tank (6), wherein the measuring tank is provided with an SO2 blowback pipe (7) communicated with the measuring tank, and the SO2 blowback pipe is provided with an SO2 ball valve (8) and an SO2 pneumatic cut-off valve (9);
the periphery of the measuring tank is provided with a first steam jacket (10), the first steam jacket is respectively communicated with a first steam inlet pipe (11) and a first condensate water outlet pipe (12), a first steam stop valve (13) is arranged on the first steam inlet pipe, a first condensate water stop valve (14) is arranged on the first condensate water outlet pipe, and steam enters the first steam jacket through the first steam inlet pipe and flows out through the first condensate water outlet pipe after being condensed;
a gas phase eduction tube outer tube (15) and a liquid phase eduction tube outer tube (16) are arranged between the sulfur burner and the measuring tank, one end of the gas phase eduction tube outer tube is communicated with the sulfur burner, the other end of the gas phase eduction tube outer tube is communicated with the measuring tank, one end of the liquid phase eduction tube outer tube is communicated with the sulfur burner, and the other end of the liquid phase eduction tube outer tube is communicated with the measuring tank;
the periphery of the outer tube of the gas phase eduction tube is provided with a second steam jacket (17), the second steam jacket is respectively communicated with a second steam inlet tube (18) and a second condensate water outlet tube (19), the second steam inlet tube is provided with a second steam stop valve (20), the second condensate water outlet tube is provided with a second condensate water stop valve (21), the outer tube of the gas phase eduction tube is provided with a gas phase stop valve (22), and the gas phase stop valve is positioned between the second steam inlet tube and the second condensate water outlet tube;
a third steam jacket (23) is arranged on the periphery of the outer tube of the liquid phase eduction tube, the third steam jacket is respectively communicated with a third steam inlet tube (24) and a third condensate water outlet tube (25), a third steam stop valve (26) is arranged on the third steam inlet tube, a third condensate water stop valve (27) is arranged on the third condensate water outlet tube, a liquid phase stop valve (28) is arranged on the outer tube of the liquid phase eduction tube, and the liquid phase stop valve is positioned between the third steam inlet tube and the third condensate water outlet tube;
the liquid level measuring device further comprises a first remote thermometer (29), a second remote thermometer (30), a radar liquid level meter (31), a remote pressure meter (32), a liquid crystal display module (33), a data acquisition module (34), a data processing module (35), an AND circuit module (36), an alarm device (37) and a PLC (38), wherein the first remote thermometer, the second remote thermometer, the radar liquid level meter and the remote pressure meter are all electrically connected with the input end of the data acquisition module, the output end of the data acquisition module is electrically connected with the input end of the AND circuit module, the output end of the AND circuit module is electrically connected with the input end of the data processing module, and the output end of the data processing module is electrically connected with the PLC;
the output end of the PLC is also respectively connected with the alarm device, the liquid crystal display module, the SO2 pneumatic cut-off valve and the gas phase
The cut-off valve is electrically connected with the liquid phase cut-off valve;
the first remote thermometer is inserted into the liquid sulfur in the measuring tank and is used for measuring the temperature of the liquid sulfur, the second remote thermometer is used for measuring the temperature of a gas phase part of the liquid sulfur, the radar level gauge is used for measuring the liquid level height of the liquid sulfur in the measuring tank, and the remote thermometer is used for measuring the internal pressure of the measuring tank;
the second remote thermometer, the radar liquid level gauge and the remote pressure gauge are all arranged on a flange cover at the upper end of the measuring tank;
the gas phase extraction pipe outer pipe and the liquid phase extraction pipe outer pipe are arranged at the communication part with the sulfur incinerator and extend towards the inside of the sulfur incinerator to form a gas phase extraction pipe inner pipe (40) and a liquid phase extraction pipe inner pipe (41) respectively, a high temperature resistant corundum pipe (42) is sleeved in the gas phase extraction pipe inner pipe in a penetrating manner, and asbestos ropes are filled between the gas phase extraction pipe inner pipe and the high temperature resistant corundum pipe;
a layer of refractory brick insulating brick layer (39) is arranged on the inner periphery of the sulfur-burning furnace, refractory mud layers are filled between the refractory brick insulating brick layer and the gas phase eduction tube inner tube and between the refractory brick insulating brick layer and the liquid phase eduction tube inner tube, the distance D1 between the gas phase eduction tube inner tube and the highest point of the inner wall of the refractory brick insulating brick layer is 10cm, and the distance D2 between the liquid phase eduction tube inner tube and the lowest point of the inner wall of the refractory brick insulating brick layer is 10cm;
the method is characterized in that a horizontal line of the lowest point of the bottom of the sulfur incinerator is used as a reference height, the gas phase extraction pipe inner pipe is located above the liquid phase extraction pipe inner pipe, the horizontal height H1 of the gas phase extraction pipe inner pipe is larger than the liquid level H2 of liquid sulfur in the sulfur incinerator, and the horizontal height H3 of the liquid phase extraction pipe inner pipe is smaller than the liquid level H2 of the liquid sulfur in the sulfur incinerator.
2. The liquid sulfur level measuring device of the pure oxygen sulfur burner according to claim 1, which is characterized in that: the liquid level measuring device comprises an SO2 cooler (43), an SO2 compressor (44) and an SO2 main exhaust pipe (45), wherein an air inlet pipe (46) of the SO2 cooler is communicated with an SO2 air outlet pipe orifice of the sulfur burning furnace, an air outlet pipe (47) of the SO2 cooler is communicated with an air inlet pipe orifice of the SO2 compressor, an air outlet pipe (48) of the SO2 compressor is communicated with an air inlet pipe orifice of the SO2 back blowing pipe, and an air outlet pipe of the SO2 compressor is also connected with the SO2 main exhaust pipe;
and the SO2 gas in the SO2 back blowing pipe is SO2 gas which is produced by the sulfur burning furnace, is cooled by the SO2 cooler and is compressed by the SO2 compressor.
3. The liquid sulfur level measuring device of the pure oxygen sulfur burner according to claim 1, which is characterized in that: the gas phase eduction tube inner tube, the gas phase eduction tube inner tube outer tube, the liquid phase eduction tube outer tube and the liquid phase eduction tube inner tube are all made of stainless steel tubes with specification DN 50.
4. The liquid sulfur level measuring device of the pure oxygen sulfur burner according to claim 1, which is characterized in that: the oxygen inlet pipe, the first steam inlet pipe, the first condensate water outlet pipe and the SO2 back blowing pipe are all made of carbon steel pipes with DN25 specification.
5. The liquid sulfur level measuring device of the pure oxygen sulfur burner according to claim 1, which is characterized in that: the liquid level measuring device comprises a 0.4MPa steam distribution tank, and steam inlets of the 0.4MPa steam distribution tank are connected with a steam inlet pipe orifice of the first steam inlet pipe, a steam inlet pipe orifice of the second steam inlet pipe and a steam inlet pipe orifice of the third steam inlet pipe.
6. The liquid sulfur level measuring device of the pure oxygen sulfur burner according to claim 1, which is characterized in that: the liquid level measuring device further comprises a nitrogen tank, a nitrogen pipe (49), an exhaust pipe (50), a gas sampling pipe (51), an exhaust pipe (52) and an exhaust gas treatment device, one end of the nitrogen pipe is in the top of the measuring tank and is communicated with the measuring tank, the other end of the nitrogen pipe is connected with the outlet pipe orifice of the nitrogen tank, one end of the exhaust pipe is in the top of the measuring tank and is communicated with the measuring tank, the other end of the exhaust pipe is provided with a carbon steel tee joint, one port of the carbon steel tee joint is connected with the exhaust gas treatment device through the exhaust pipe, and the other port of the carbon steel tee joint is connected with the gas sampling pipe.
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| CN108975282B (en) * | 2018-09-11 | 2023-11-03 | 昌邑市蒲东化工厂 | Sulfur incinerator system for bromine production |
| DE102018221682A1 (en) * | 2018-12-13 | 2020-06-18 | Vega Grieshaber Kg | Measuring arrangement for determining a level |
| CN112781683B (en) * | 2019-11-01 | 2023-01-31 | 西安定华电子股份有限公司 | Liquid level measuring device and liquid level measuring method |
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