CN208171385U - Pure oxygen method sulfur furnace liquid-state sulfur liquid level emasuring device - Google Patents
Pure oxygen method sulfur furnace liquid-state sulfur liquid level emasuring device Download PDFInfo
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- CN208171385U CN208171385U CN201820578536.5U CN201820578536U CN208171385U CN 208171385 U CN208171385 U CN 208171385U CN 201820578536 U CN201820578536 U CN 201820578536U CN 208171385 U CN208171385 U CN 208171385U
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Abstract
The utility model discloses a kind of pure oxygen method sulfur furnace liquid-state sulfur liquid level emasuring device, including sulfur furnace, the outer wall of sulfur furnace be equipped be connected to sulfur furnace into sulphur pipe and oxygen feeding tube；Including measuring tank, measurement tank is equipped with the SO being connected to measurement tank2Anti-blowpipe；The inner circumferential for measuring tank is equipped with the first steam jacket；Gas phase fairlead outer tube and liquid phase fairlead outer tube are equipped between sulfur furnace and measurement tank, and the both ends of gas phase fairlead outer tube and the both ends of liquid phase fairlead outer tube are connected to sulfur furnace, measurement tank respectively；The inner circumferential of gas phase fairlead outer tube and the inner circumferential of liquid phase fairlead outer tube are respectively equipped with the second steam jacket and third steam jacket；Including LCD MODULE, data acquisition module, data processing module, "AND" circuit module, warning device and PLC controller.The utility model solves the problems, such as that 1000 DEG C of ignition temperature or more of high-temp liquid material liquid level is unable to measure, and improves the accuracy rate of sulfur furnace level gauging, it is ensured that sulphur dioxide production processing efficient, stabilization.
Description
Technical field
The utility model belongs to technical field of chemical production equipment, more particularly to object in a kind of indirect type measurement high temperature furnace
The measuring device of feed liquid position.
Background technique
Sulfur furnace in pure oxygen method production sulfur dioxide device is a kind of Horizontal cylinder body device, and sulfur furnace liner is kept the temperature
The equipment of brick and firebrick structure.Its production principle is liquid-state sulfur (135 DEG C) pump to be squeezed into sulfur furnace, while being passed through oxygen
Gas, the gaseous state sulphur and oxygen combustion that liquid-state sulfur surface evaporation goes out occur oxidation reaction, generate sulfur dioxide gas, put simultaneously
A large amount of heat, chemical equation are as follows out：
S (sulphur)+O2(oxygen) → SO2(sulfur dioxide)
Since a large amount of heat is released in reaction, gas phase portion temperature is up to 1000 DEG C or so in sulfur furnace, liquid phase part boiling
Layer temperature is also up to 444 DEG C.Because Molten sulphur heating conduction is poor, decline trend, bottom is presented in liquid phase sulphur temperature from top to bottom
Portion's temperature is at 150 DEG C or so.The features such as material viscosity having just because of it is high, gas phase temperature is high in furnace, at present pure oxygen method
Sulfur furnace liquid-state sulfur liquid level is much to seek suitable level measuring method and measuring instrumentss in production sulfur dioxide device.
The way being accustomed in chemical industry is that stove fire color is observed by visor to determine the surplus of liquid-state sulfur in furnace.
When normal level height, stove fire color is purple, and when liquid level is relatively low, pale asphyxia is presented, and needs quantitative supplement liquid-state sulfur at this time.It presses
Operating instruction requires, and the liquid level of the liquid-state sulfur in sulfur furnace need to control 1/4 to 1/3 of the effective height in furnace, and highest must not
More than height where oxygen feeding tube.If operator's working sense of responsibility is not strong, specialized capability is not really up to the mark in addition, it is most likely that causes
Liquid-state sulfur liquid level is more than oxygen feeding tube, and liquid-state sulfur will enter oxygen feeding tube and burn, and can burn out oxygen feeding tube, more serious or even also
Will cause unrestrained tank, in furnace without the severe accident such as molten sulfur, gently then system shutdown, heavy then peroxide cause serious containing hydraulic shrinking machine explosion etc.
Consequence.
In order to prevent it is more than the height of oxygen feeding tube into sulphur liquid level in industry, is arranged at 10 centimetres of outer walls below away from oxygen feeding tube
Overflow pipe, but higher fluid-tight will be arranged in this outside furnace, and there are the risks of sulfur dioxide gas leakage.Therefore, sulfur furnace liquid
Position can real-time measurement and monitoring be just particularly important.
In the prior art, China Patent Publication No. is that CN 205593613U discloses a kind of heating furnace water sealed tank liquid level survey
Device is measured, heating furnace water sealed tank liquid level emasuring device includes：Means of communication one end is connected to water sealed tank lower end；Water tank be connected to machine
The other end of structure is connected to；Buoy is arranged in water tank；Conduction mechanism one end is connect with buoy, and conduction mechanism is fixed on water tank；
Measuring mechanism is connect with the conduction mechanism other end, and measuring mechanism is connect with heating furnace walking beam and heating furnace first class control system.
There are following technological deficiencies for above-mentioned utility model patent：
One, the liquid level emasuring device is only applicable to the level gauging of 100 DEG C or so of aqueous solution, and the temperature of fluid to be measured is wanted
It asks low, is not suitable for the level gauging of high temperature, solution toxic, corrosivity is strong；
Two, the liquid level emasuring device automatization level is low, does not have alarm and display function, and there are larger for level gauging
Error.
Utility model content
In view of the problems of the existing technology, the utility model provides a kind of pure oxygen method sulfur furnace liquid-state sulfur liquid level survey
Device is measured, after the liquid level emasuring device, the liquid level of the liquid-state sulfur in measurement high temperature sulfur furnace indirectly is realized, improves height
The accuracy rate of the level gauging of liquid-state sulfur in warm sulfur furnace, reduces physical labor intensity, and high degree of automation gives chemical industry row
High temperature level gauging provides a kind of preferable measurement method of effective feasibility in the industry.
In order to solve the above technical problems, the technical solution that the utility model uses is：
A kind of pure oxygen method sulfur furnace liquid-state sulfur liquid level emasuring device is provided, is connect with sulfur furnace, the sulfur furnace
Outer wall be equipped be connected to the sulfur furnace into sulphur pipe and oxygen feeding tube, it is described into sulphur pipe equipped with controlling into sulphur flow into sulphur ball
Valve, the oxygen feeding tube, which is equipped with, to be controlled into oxygen flow into oxygen ball valve；
The liquid level emasuring device includes measurement tank, and the measurement tank is equipped with the SO being connected to the measurement tank2Anti-blowpipe,
The SO2Anti-blowpipe is equipped with SO2Ball valve and SO2Pneumatic cut-off valve；
It is described measurement tank periphery be equipped with the first steam jacket, first steam jacket respectively with the first steam steam inlet pipe
It is connected to the first condensed water outlet pipe, the first steam steam inlet pipe is equipped with the first steam stop, and described first is condensed out
Water pipe is equipped with the first condensed water shut-off valve, after steam is entered the first steam jacket and condensed by the first steam steam inlet pipe
It is flowed out through the first condensed water outlet pipe；
Gas phase fairlead outer tube and liquid phase fairlead outer tube, the gas phase are equipped between the sulfur furnace and the measurement tank
One end of fairlead outer tube is connected to the sulfur furnace, and the other end of the gas phase fairlead outer tube and the measurement tank connect
Logical, one end of the liquid phase fairlead outer tube is connected to the sulfur furnace, and the other end of the liquid phase fairlead outer tube and institute
State measurement tank connection；
The periphery of the gas phase fairlead outer tube is equipped with the second steam jacket, and second steam jacket is steamed with second respectively
Vapour steam inlet pipe and the connection of the second condensed water outlet pipe, second steam inlet duct are equipped with the second steam stop, and described the
Two condensed water outlet pipes are equipped with the second condensed water shut-off valve, and the gas phase fairlead outer tube is equipped with gas phase stop valve, and institute
Gas phase stop valve is stated between the second steam steam inlet pipe and the second condensed water outlet pipe；
The periphery of the liquid phase fairlead outer tube is equipped with third steam jacket, and the third steam jacket is steamed with third respectively
Vapour steam inlet pipe is connected to third condensed water outlet pipe, and the third steam steam inlet pipe is equipped with third steam stop, and described the
Three condensed water outlet pipes are equipped with third condensed water shut-off valve, and the liquid phase fairlead outer tube is equipped with liquid phase stop valve, and institute
Liquid phase stop valve is stated between the third steam steam inlet pipe and the third condensed water outlet pipe；
The liquid level emasuring device further includes the first teletransmission thermometer, the second teletransmission thermometer, radar level gauge, teletransmission pressure
Power meter, LCD MODULE, data acquisition module, data processing module, "AND" circuit module, warning device and PLC controller,
The first teletransmission thermometer, the second teletransmission thermometer, radar level gauge, teletransmission pressure gauge all with the data acquisition module
Input terminal electrical connection, the output end of the data acquisition module is electrically connected with the input terminal of the "AND" circuit module, described
The output end of "AND" circuit module is electrically connected with the input terminal of the data processing module, the output end of the data processing module
It is electrically connected with the PLC controller；
The output end of the PLC controller also respectively with the warning device, LCD MODULE, SO2Pneumatic cut-off valve,
Gas phase stop valve and the electrical connection of liquid phase stop valve；
The first teletransmission thermometer is inserted into the liquid-state sulfur of the inside of the measurement tank, and is used to measure the liquid
The temperature of sulphur, the temperature of the gas phase portion of liquid-state sulfur described in the second teletransmission thermometer measure, the radar level gauge
For measuring the liquid level of the liquid-state sulfur in the measurement tank, the teletransmission pressure gauge is used to measure the interior of the measurement tank
Portion's pressure；
The second teletransmission thermometer, radar level gauge, teletransmission pressure gauge are all mounted on the method for the upper end of the measurement tank
Orchid covers.
In order to solve its technical problem, used further technical solution is the utility model：
It further says, the gas phase fairlead outer tube and liquid phase fairlead outer tube are all in the connectivity part with the sulfur furnace
And gas phase fairlead inner tube and liquid phase fairlead inner tube, the gas phase fairlead are respectively formed to the internal stretch of the sulfur furnace
The inside of inner tube wears a high temperature resistant alundum tube, and is filled between the gas phase fairlead inner tube and the high temperature resistant alundum tube
Asbestos cord.
It further says, between the refractory brick insulating brick-layer and the gas phase fairlead inner tube and liquid phase fairlead inner tube
All it is filled with fire resisting mud layer.
It further says, is referring to height, the gas phase with the horizontal line where the minimum point of the furnace bottom of the sulfur furnace
Fairlead inner tube is located at the top of the liquid phase fairlead inner tube, and the level height of the gas phase fairlead inner tube is greater than described
The liquid level of liquid-state sulfur in sulfur furnace, the level height of the liquid phase fairlead inner tube are less than the liquid in the sulfur furnace
The liquid level of state sulphur.
It further says, the inner circumferential of the sulfur furnace is equipped with one layer of refractory brick insulating brick-layer, the gas phase fairlead inner tube
The distance between highest point of inner wall of the refractory brick insulating brick-layer be 10cm, the liquid phase fairlead inner tube with it is described resistance to
The distance between minimum point of inner wall of firebrick insulating brick-layer is 10cm.
It further says, the liquid level emasuring device includes SO2Cooler, SO2Compressor and SO2Main exhaust, it is described
SO2The air inlet pipe of cooler and the SO of sulfur furnace2Outlet mouth of pipe connection, the SO2The escape pipe of cooler and the SO2Compression
The air inlet mouth of pipe of machine is connected to, the SO2The escape pipe of compressor and the SO2The air inlet mouth of pipe of anti-blowpipe is connected to, and the SO2
The escape pipe of compressor also with the SO2Main exhaust connection；
The SO2SO in anti-blowpipe2Gas is to be produced derived from the sulfur furnace by the SO2Cooler is cooling simultaneously
By the SO2The SO of compressor compresses2Gas.
It further says, the gas phase fairlead inner tube, gas phase fairlead inner tube outer tube, liquid phase fairlead outer tube and liquid phase
Fairlead inner tube is all the stainless steel tube that specification is DN50.
It further says, the oxygen feeding tube, the first steam steam inlet pipe, the first condensed water outlet pipe and SO2Anti-blowpipe is all
Specification is the carbon steel pipes of DN25.
It further says, the liquid level emasuring device includes 0.4MPa steam distribution tank, the 0.4MPa steam distribution tank
Send steam ports all with the steam inlet pipe mouth of the first steam steam inlet pipe, the steam inlet pipe mouth of the second steam steam inlet pipe and third steam into
The steam inlet pipe mouth of steam pipe connects.
It further says, the liquid level emasuring device further includes nitrogen gas tank, nitrogen tube, exhaust pipe, gas sample tube, exhaust gas
One end of pipe and emission-control equipment, the nitrogen tube is connected at the top of the measurement tank with the measurement tank, the nitrogen
The other end of tracheae is connect with the outlet mouth of pipe of the nitrogen gas tank, one end of the exhaust pipe at the top of the measurement tank with
The measurement tank connection, the other end of the exhaust pipe are equipped with carbon steel threeway, and the Single port of the carbon steel threeway passes through described useless
Tracheae is connect with the emission-control equipment, and the another port of the carbon steel threeway is connect with gas sample tube.
The utility model has the beneficial effects that：
One, it is equipped with gas phase fairlead outer tube and liquid phase fairlead outer tube between the sulfur furnace of the utility model and measurement tank,
And one end of gas phase fairlead outer tube is connected to sulfur furnace, the other end of gas phase fairlead outer tube is connected to measurement tank, and liquid phase is drawn
One end of outlet pipe outer tube is connected to the measurement tank, and the other end of liquid phase fairlead outer tube is connected to sulfur furnace, so that sulfur furnace
Interior gas phase portion is communicated with the gas phase portion in measurement tank, the liquid phase part in sulfur furnace and the liquid phase part phase in measurement tank
Logical, to form U-tube, by U-tube principle, realization indirectly measures the material liquid level in sulfur furnace, and measures tank
Access SO2Anti-blowpipe, low temperature SO2Gas enters the high temperature SO of measurement tank to gas phase fairlead2Gas carry out blowback, cooling and every
Processing absolutely, it is ensured that measurement tank temperature degree is suitable for liquid level sensor and detects, and measures the pressure holding in tank and sulfur furnace or close to one
It causes, to measure the liquid level of the liquid-state sulfur in high temperature sulfur furnace indirectly, this measuring device is improved in high temperature sulfur furnace
The accuracy rate of the level gauging of liquid-state sulfur avoids liquid level sensor and damages in an environment of high temperature, reduces liquid level
Measurement cost provides a kind of preferable measurement method of effective feasibility to high temperature level gauging in chemical industry；
Two, the periphery of the gas phase fairlead outer tube of the utility model and liquid phase fairlead outer tube all has steam jacket, steams
Vapour collet is connected to steam steam inlet pipe, condensed water outlet pipe respectively, and steam steam inlet pipe is equipped with steam stop, and condensed water goes out
Water pipe is equipped with condensed water shut-off valve, stop valve is all equipped on gas phase fairlead outer tube and liquid phase fairlead outer tube, when gas phase is drawn
There is stopping state in the outer tube of outlet pipe and the outer tube of liquid phase fairlead, steam can be passed through in steam jacket by steam steam inlet pipe
Heating, so that solid sulphur melts, it is ensured that gas phase fairlead outer tube and the conducting of liquid phase fairlead outer tube are avoided because solid sulphur is stifled
It fills in pipeline and causes level gauging inaccurate, further improve the stability and reliability of liquid-state sulfur level gauging；
Three, the utility model has the first teletransmission thermometer, the second teletransmission thermometer, radar level gauge for the equipment of detection
With teletransmission pressure gauge, the first teletransmission thermometer, the second teletransmission thermometer, radar level gauge, teletransmission pressure gauge are all acquired with data
The input terminal of module is electrically connected, and the output end of data acquisition module is electrically connected with the input terminal of "AND" circuit module, "AND" circuit
The output end of module is electrically connected with the input terminal of data processing module, and output end and the PLC controller of data processing module are electrically connected
Connect, since PLC controller is electrically connected with warning device, LCD MODULE respectively, realize detection data handle, show in real time,
The functions such as superthreshold alarm, automatization level is high, reduces manual labor, and operation safety is secure, high-efficient；
Four, the distance between the minimum point of inner wall of the liquid phase fairlead inner tube of the utility model and refractory brick insulating brick-layer
For 10cm, there are biggish deposition space surpluses, and the impurity in liquid-state sulfur is prevented to be deposited on furnace bottom, plugging fluid phase fairlead
Nozzle avoids liquid phase from drawing blockage, improves circulation of the liquid-state sulfur in liquid phase fairlead；
Five, the PLC controller of the utility model by the first teletransmission thermometer, the second teletransmission thermometer, radar level gauge,
Teletransmission pressure gauge is acquired the data such as temperature, liquid level, the pressure of the measurement tank and is sent to based on ethernet communication
DCS Distributed Control System, operator is by the host interface of DCS Distributed Control System to SO2Pneumatic cut-off valve, gas phase cutting
Valve and liquid phase stop valve carry out remote control and parameter configuration, and high degree of automation saves labor intensity, reduces site operation
Danger coefficient；
Six, the utility model is additionally provided with nitrogen gas tank, nitrogen tube, exhaust pipe, gas sample tube, flue gas leading and exhaust-gas treatment dress
It sets, when the associated assay devices failure for measuring tank needs to overhaul, closes gas phase stop valve, liquid phase stop valve and SO2Instead
Air blowing stop valve opens nitrogen gas tank, and the nitrogen in nitrogen gas tank is delivered in measurement tank by nitrogen tube, will measure the dioxy in tank
Change sulphur gas to be replaced, and be expelled to sulfur dioxide toxic gas in emission-control equipment from measurement tank by exhaust pipe,
Simultaneously during sulfur dioxide discharge, by gas sample tube to the sulfur dioxide sampling analysis in measurement tank, until inspection
It measures the sulfur dioxide measured in tank to be expelled to until meeting personnel's maintenance requirement, event can be carried out to measurement tank, instrumentation
Barrier maintenance, so that the life security of effective guarantee maintenance personal, practicability are preferable；
Seven, the SO of the utility model2SO in anti-blowpipe2Gas is the after cooling through compressor compresses of sulfur furnace production
SO2Gas, temperature, can be to the high temperature SO from sulfur furnace at 80 DEG C or so2Gas carries out at blowback, cooling and isolation
Reason, due to SO2Gas source is in itself production system, while ensuring to measure tank temperature degree suitable for liquid level sensor detection, also
The labor intensity for reducing worker, avoid harmful influence outsourcing transport, it is ensured that the stabilization of production system, saved raw material at
This.
The above description is merely an outline of the technical solution of the present invention, in order to better understand the skill of the utility model
Art means, and can be implemented in accordance with the contents of the specification, below on the preferred embodiment of the present invention and the accompanying drawings in detail
It describes in detail bright as after.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the control principle drawing of the utility model；
Each section label is as follows in attached drawing：
Sulfur furnace 1, into sulphur pipe 2, oxygen feeding tube 3, into sulphur ball valve 4, into oxygen ball valve 5, measurement tank 6, SO2Anti-blowpipe 7, SO2Ball valve
8、SO2Pneumatic cut-off valve 9, the first steam jacket 10, the first steam steam inlet pipe 11, the first condensed water outlet pipe 12, the first steam
Shut-off valve 13, the first condensed water shut-off valve 14, gas phase fairlead outer tube 15, liquid phase fairlead outer tube 16, the second steam jacket 17,
Second steam steam inlet pipe 18, the second condensed water outlet pipe 19, the second steam stop 20, the second condensed water shut-off valve 21, gas phase
Stop valve 22, third steam jacket 23, third steam steam inlet pipe 24, third condensed water outlet pipe 25, third steam stop 26,
Third condensed water shut-off valve 27, liquid phase stop valve 28, the first teletransmission thermometer 29, the second teletransmission thermometer 30, radar level gauge
31, teletransmission pressure gauge 32, LCD MODULE 33, data acquisition module 34, data processing module 35, "AND" circuit module 36,
It is warning device 37, PLC controller 38, refractory brick insulating brick-layer 39, gas phase fairlead inner tube 40, liquid phase fairlead inner tube 41, resistance to
High-temperature corundum pipe 42, SO2Cooler 43, SO2Compressor 44, SO2Main exhaust 45, SO2The air inlet pipe 46 of cooler, the SO2
Escape pipe 47, the SO of cooler2Escape pipe 48, nitrogen tube 49, exhaust pipe 50, the gas sample tube 51, exhaust gas of compressor
The distance between the highest point of inner wall of pipe 52, the gas phase fairlead inner tube and the refractory brick insulating brick-layer D1, the liquid
The distance between phase fairlead inner tube and the minimum point of inner wall of the refractory brick insulating brick-layer D2, the gas phase fairlead inner tube
Level height H1, the liquid level H2 of liquid-state sulfur and the level height of the liquid phase fairlead inner tube in the sulfur furnace
H3。
Specific embodiment
Illustrate specific embodiment of the present utility model below by way of particular specific embodiment, those skilled in the art can
The advantages of the utility model is understood by content disclosed in the present specification easily and effect.The utility model can also it is other not
Same mode is practiced, that is, under the scope of revealed without departing substantially from the utility model, can give different modification and change.
Embodiment：A kind of pure oxygen method sulfur furnace liquid-state sulfur liquid level emasuring device, as depicted in figs. 1 and 2, with sulfur furnace
1 connection, the outer wall of the sulfur furnace be equipped be connected to the sulfur furnace into sulphur pipe 2 and oxygen feeding tube 3, it is described to be equipped with into sulphur pipe
It controls into sulphur flow into sulphur ball valve 4, the oxygen feeding tube, which is equipped with, to be controlled into oxygen flow into oxygen ball valve 5；
The liquid level emasuring device includes measurement tank 6, and the measurement tank is equipped with the SO being connected to the measurement tank2Anti-blowpipe
7, the SO2Anti-blowpipe is equipped with SO2Ball valve 8 and SO2Pneumatic cut-off valve 9；
The periphery of the measurement tank is equipped with the first steam jacket 10, and first steam jacket is respectively with the first steam into vapour
Pipe 11 is connected to the first condensed water outlet pipe 12, and the first steam steam inlet pipe is equipped with the first steam stop 13, and described the
One is condensed out water pipe equipped with the first condensed water shut-off valve 14, and steam is pressed from both sides by the first steam steam inlet pipe into the first steam
It is flowed out after set and condensation through the first condensed water outlet pipe；
Gas phase fairlead outer tube 15 and liquid phase fairlead outer tube 16 are equipped between the sulfur furnace and the measurement tank, it is described
One end of gas phase fairlead outer tube is connected to the sulfur furnace, and the other end of the gas phase fairlead outer tube and the measurement tank
Connection, one end of the liquid phase fairlead outer tube is connected to the sulfur furnace, and the other end of the liquid phase fairlead outer tube and
The measurement tank connection；
The periphery of the gas phase fairlead outer tube is equipped with the second steam jacket 17, and second steam jacket is respectively with second
Steam steam inlet pipe 18 is connected to the second condensed water outlet pipe 19, and second steam inlet duct is equipped with the second steam stop
20, the second condensed water outlet pipe is equipped with the second condensed water shut-off valve 21, and the gas phase fairlead outer tube is equipped with gas phase
Stop valve 22, and the gas phase stop valve is between the second steam steam inlet pipe and the second condensed water outlet pipe；
The periphery of the liquid phase fairlead outer tube be equipped with third steam jacket 23, the third steam jacket respectively with third
Steam steam inlet pipe 24 is connected to third condensed water outlet pipe 25, and the third steam steam inlet pipe is equipped with third steam stop
26, the third condensed water outlet pipe is equipped with third condensed water shut-off valve 27, and the liquid phase fairlead outer tube is equipped with liquid phase
Stop valve 28, and the liquid phase stop valve is between the third steam steam inlet pipe and the third condensed water outlet pipe；
The liquid level emasuring device further include the first teletransmission thermometer 29, the second teletransmission thermometer 30, radar level gauge 31,
Teletransmission pressure gauge 32, LCD MODULE 33, data acquisition module 34, data processing module 35, "AND" circuit module 36, alarm
Device 37 and PLC controller 38, the first teletransmission thermometer, the second teletransmission thermometer, radar level gauge, teletransmission pressure gauge are all
It is electrically connected with the input terminal of the data acquisition module, the output end of the data acquisition module and the "AND" circuit module
Input terminal electrical connection, the output end of the "AND" circuit module are electrically connected with the input terminal of the data processing module, the number
It is electrically connected according to the output end of processing module with the PLC controller；
The output end of the PLC controller also respectively with the warning device, LCD MODULE, SO2Pneumatic cut-off valve,
Gas phase stop valve and the electrical connection of liquid phase stop valve；
The first teletransmission thermometer is inserted into the liquid-state sulfur of the inside of the measurement tank, and is used to measure the liquid
The temperature of sulphur, the temperature of the gas phase portion of liquid-state sulfur described in the second teletransmission thermometer measure, the radar level gauge
For measuring the liquid level of the liquid-state sulfur in the measurement tank, the teletransmission pressure gauge is used to measure the interior of the measurement tank
Portion's pressure；
The second teletransmission thermometer, radar level gauge, teletransmission pressure gauge are all mounted on the method for the upper end of the measurement tank
Orchid covers.
It is referring to height, the gas phase fairlead inner tube position with the horizontal line where the minimum point of the furnace bottom of the sulfur furnace
In the top of the liquid phase fairlead inner tube, and the level height H1 of the gas phase fairlead inner tube is greater than in the sulfur furnace
The liquid level H2 of liquid-state sulfur, the level height H3 of the liquid phase fairlead inner tube are less than the liquid-state sulfur in the sulfur furnace
Liquid level H2.
The inner circumferential of the sulfur furnace is equipped with one layer of refractory brick insulating brick-layer 39, the gas phase fairlead inner tube and the fire resisting
The distance between the highest point of inner wall of brick insulating brick-layer D1 is 10cm, and the liquid phase fairlead inner tube and the refractory brick are kept the temperature
The distance between minimum point of inner wall of brick layer D2 is 10cm.
The gas phase fairlead outer tube and liquid phase fairlead outer tube are all burnt with the connectivity part of the sulfur furnace and to described
The internal stretch of sulphur furnace is respectively formed gas phase fairlead inner tube 40 and liquid phase fairlead inner tube 41, the gas phase fairlead inner tube
Inside wears a high temperature resistant alundum tube 42, and asbestos are filled between the gas phase fairlead inner tube and the high temperature resistant alundum tube
Rope.
All filled with resistance between the refractory brick insulating brick-layer and the gas phase fairlead inner tube and liquid phase fairlead inner tube
Chamotte layer.
The liquid level emasuring device includes SO2Cooler 43, SO2Compressor 44 and SO2Main exhaust 45, the SO2It is cooling
The air inlet pipe 46 of device and the SO of sulfur furnace2Outlet mouth of pipe connection, the SO2The escape pipe 47 and the SO of cooler2Compressor
Air inlet mouth of pipe connection, the SO2The escape pipe 48 and the SO of compressor2The air inlet mouth of pipe of anti-blowpipe is connected to, and the SO2Pressure
The escape pipe of contracting machine also with the SO2Main exhaust connection；
The SO2SO in anti-blowpipe2Gas is to be produced derived from the sulfur furnace by the SO2Cooler is cooling simultaneously
By the SO2The SO of compressor compresses2Gas.
The gas phase fairlead inner tube, gas phase fairlead outer tube, liquid phase fairlead outer tube and liquid phase fairlead inner tube are all
Specification is the stainless steel tube of DN50.
The oxygen feeding tube, the first steam steam inlet pipe, the first condensed water outlet pipe and SO2Anti-blowpipe is all that specification is DN25
Carbon steel pipes.
The liquid level emasuring device includes 0.4MPa steam distribution tank, the 0.4MPa steam distribution tank send steam ports all with
The steam inlet pipe of the steam inlet pipe mouth of the first steam steam inlet pipe, the steam inlet pipe mouth of the second steam steam inlet pipe and third steam steam inlet pipe
Mouth connection.
The liquid level emasuring device further includes nitrogen gas tank, nitrogen tube 49, exhaust pipe 50, gas sample tube 51, flue gas leading 52
And emission-control equipment, one end of the nitrogen tube are connected at the top of the measurement tank with the measurement tank, the nitrogen
The other end of pipe is connect with the outlet mouth of pipe of the nitrogen gas tank, and one end of the exhaust pipe is at the top of the measurement tank and institute
Measurement tank connection is stated, the other end of the exhaust pipe is equipped with carbon steel threeway, and the Single port of the carbon steel threeway passes through the exhaust gas
Pipe is connect with the emission-control equipment, and the another port of the carbon steel threeway is connect with gas sample tube.
The course of work and working principle of the utility model are as follows：
Gas phase fairlead outer tube and liquid phase fairlead outer tube, and gas are equipped between the sulfur furnace and measurement tank of the utility model
One end of phase fairlead outer tube is connected to sulfur furnace, and the other end of gas phase fairlead outer tube is connected to measurement tank, liquid phase fairlead
One end of outer tube is connected to the sulfur furnace, and the other end of liquid phase fairlead outer tube is connected to measurement tank, so that in sulfur furnace
Gas phase portion is communicated with the gas phase portion in measurement tank, and the liquid phase part in sulfur furnace is communicated with the liquid phase part in measurement tank,
To form U-tube, by U-tube principle, realization indirectly measures the material liquid level in sulfur furnace, and measures tank access
SO2Anti-blowpipe enters the high temperature SO of measurement tank to gas phase fairlead2Gas carries out blowback, cooling and isolation processing, it is ensured that measurement
Tank temperature degree is detected suitable for sensor, and measures the pressure holding in tank and sulfur furnace or close consistent, to measure high temperature indirectly
The liquid level of liquid-state sulfur in sulfur furnace；
The gas phase fairlead outer tube of the utility model and the periphery of liquid phase fairlead outer tube all have steam jacket, steam folder
Set is connected to steam steam inlet pipe, condensed water outlet pipe respectively, and steam steam inlet pipe is equipped with steam stop, condensed water outlet pipe
It is equipped with condensed water shut-off valve, stop valve is all equipped on gas phase fairlead outer tube and liquid phase fairlead outer tube, when gas phase fairlead
There is stopping state with liquid phase fairlead, steam heating can be passed through in steam jacket by steam steam inlet pipe, so that solid-state sulphur
Sulphur fusing, it is ensured that gas phase fairlead and the conducting of liquid phase fairlead avoid leading to level gauging not because solid sulphur blocks pipeline
Accurately；
The utility model for detection equipment have the first teletransmission thermometer, the second teletransmission thermometer, radar level gauge and
Teletransmission pressure gauge, the first teletransmission thermometer, the second teletransmission thermometer, radar level gauge, teletransmission pressure gauge all with data acquisition module
The input terminal of block is electrically connected, and the output end of data acquisition module is electrically connected with the input terminal of "AND" circuit module, "AND" circuit mould
The output end of block is electrically connected with the input terminal of data processing module, and data processing module is electrically connected with PLC controller, due to PLC
The output end of controller is electrically connected with warning device and LCD MODULE respectively, realizes that detection data is handled in real time, shown, is super
The functions such as Threshold Alerts；
The PLC controller of the utility model passes through the first teletransmission thermometer, the second teletransmission thermometer, radar level gauge, remote
Pressure gauge is passed to be acquired the data such as temperature, liquid level, the pressure of the measurement tank and be sent to the DCS based on ethernet communication
Distributed Control System, operator by the host interface of DCS Distributed Control System to gas phase stop valve and liquid phase stop valve into
Row remote control and parameter configuration；
The distance between the liquid phase fairlead inner tube of the utility model and the minimum point of inner wall of refractory brick insulating brick-layer are
10cm prevents the impurity plugging fluid phase fairlead inner tube that furnace bottom is deposited in liquid-state sulfur there are biggish deposition space surplus
Nozzle；
During normal production, liquid phase fairlead, measurement tank, stop valve heat preservation steam must be normally opened, and gas phase fairlead outer tube is just
It does not need to keep the temperature in normal situation, if there are pressure differences in furnace, in tank, need to just open steam, heat molten sulphur, gas phase, liquid phase fairlead
Stop valve and sulfur dioxide purge gas pipe cutting valve are in the open state during normal production, SO2Compressor will be through refining
Equipment treated SO2Gas is compressed, by a small amount of high pressure SO of compressor outlet2Gas is sent into sulfur dioxide purge gas pipe
In road, and through sulfur dioxide purge gas pipeline to measuring in tank, so that the gas phase sulfur dioxide progress in measurement tank is cold
But it handles, is maintained at low-temperature condition；
Such as emergency, such as molten sulfur leakage, sulfur dioxide gas leakage can emergency cut-off stop valves.Liquid-state sulfur
Liquid level is too high or too low or furnace pressure is excessive, then triggers warning device, reminds operator, and operator is collecting and distributing by DCS
The host interface of control system is to SO2Purge gas stop valve, gas phase stop valve and liquid phase stop valve carry out remote control and ginseng
Number configuration；
The quantity of steam and the sulfur dioxide blowback air scale of construction that each steam jacket is passed through can be according to sulphur liquidus temperatures, gas phase temperature
Degree is by manually adjusting valve；
It needs first to close gas phase stop valve before system shutdown, then turns off sulfur dioxide purge gas stop valve, when driving
Sulfur dioxide purge gas stop valve is first opened, gas phase stop valve is then opened, observes gas phase temperature, it is anti-rationally to adjust sulfur dioxide
Air blowing hand-operated valve, controls air inflow, and liquid phase stop valve can be at normally open；
Tank attachment is measured when for example radar level gauge, teletransmission pressure gauge, telethermometer need to overhaul, by gas phase stop valve,
Liquid phase stop valve, sulfur dioxide stop valve are all closed, while being passed through nitrogen and all being set the sulfur dioxide gas measured in tank
It changes, can overhaul；
The SO of the utility model2SO in anti-blowpipe2Gas is sulfur furnace production through compressor compresses SO after cooling2
Gas, temperature, can be to the high temperature SO from sulfur furnace at 80 DEG C or so2Gas carries out blowback, cooling and isolation processing.
The above description is only the embodiments of the present invention, and not thereby the foregoing is merely the implementations of the utility model
Example, therefore it does not limit the scope of the patent of the utility model, made by using the description of the utility model and the drawings
Equivalent structure, be applied directly or indirectly in other relevant technical fields, similarly include the utility model patent protect
It protects in range.
Claims (9)
1. a kind of pure oxygen method sulfur furnace liquid-state sulfur liquid level emasuring device, connect with sulfur furnace (1), it is characterised in that：It is described
The outer wall of sulfur furnace be equipped be connected to the sulfur furnace into sulphur pipe (2) and oxygen feeding tube (3), it is described into sulphur pipe equipped with control into
Sulphur flow into sulphur ball valve (4), the oxygen feeding tube, which is equipped with, to be controlled into oxygen flow into oxygen ball valve (5)；
The liquid level emasuring device includes measurement tank (6), and the measurement tank is equipped with the SO being connected to the measurement tank2Anti-blowpipe
(7), the SO2Anti-blowpipe is equipped with SO2Ball valve (8) and SO2Pneumatic cut-off valve (9)；
It is described measurement tank periphery be equipped with the first steam jacket (10), first steam jacket respectively with the first steam steam inlet pipe
(11) it is connected to the first condensed water outlet pipe (12), the first steam steam inlet pipe is equipped with the first steam stop (13), institute
It states first and is condensed out water pipe equipped with the first condensed water shut-off valve (14), steam enters first by the first steam steam inlet pipe
It is flowed out after steam jacket and condensation through the first condensed water outlet pipe；
Gas phase fairlead outer tube (15) and liquid phase fairlead outer tube (16) are equipped between the sulfur furnace and the measurement tank, it is described
One end of gas phase fairlead outer tube is connected to the sulfur furnace, and the other end of the gas phase fairlead outer tube and the measurement tank
Connection, one end of the liquid phase fairlead outer tube is connected to the sulfur furnace, and the other end of the liquid phase fairlead outer tube and
The measurement tank connection；
The periphery of the gas phase fairlead outer tube is equipped with the second steam jacket (17), and second steam jacket is steamed with second respectively
Vapour steam inlet pipe (18) is connected to the second condensed water outlet pipe (19), and second steam inlet duct is equipped with the second steam stop
(20), the second condensed water outlet pipe is equipped with the second condensed water shut-off valve (21), and the gas phase fairlead outer tube is equipped with
Gas phase stop valve (22), and the gas phase stop valve be located at the second steam steam inlet pipe and the second condensed water outlet pipe it
Between；
The periphery of the liquid phase fairlead outer tube is equipped with third steam jacket (23), and the third steam jacket is steamed with third respectively
Vapour steam inlet pipe (24) is connected to third condensed water outlet pipe (25), and the third steam steam inlet pipe is equipped with third steam stop
(26), the third condensed water outlet pipe is equipped with third condensed water shut-off valve (27), and the liquid phase fairlead outer tube is equipped with
Liquid phase stop valve (28), and the liquid phase stop valve be located at the third steam steam inlet pipe and the third condensed water outlet pipe it
Between；
The liquid level emasuring device further includes the first teletransmission thermometer (29), the second teletransmission thermometer (30), radar level gauge
(31), teletransmission pressure gauge (32), LCD MODULE (33), data acquisition module (34), data processing module (35), "AND" electricity
Road module (36), warning device (37) and PLC controller (38), the first teletransmission thermometer, the second teletransmission thermometer, radar
Liquidometer, teletransmission pressure gauge are all electrically connected with the input terminal of the data acquisition module, the output end of the data acquisition module
It is electrically connected with the input terminal of the "AND" circuit module, output end and the data processing module of the "AND" circuit module
Input terminal electrical connection, the output end of the data processing module are electrically connected with the PLC controller；
The output end of the PLC controller also respectively with the warning device, LCD MODULE, SO2Pneumatic cut-off valve, gas phase
Stop valve and the electrical connection of liquid phase stop valve；
The first teletransmission thermometer is inserted into the liquid-state sulfur of the inside of the measurement tank, and is used to measure the liquid-state sulfur
Temperature, the temperature of the gas phase portion of liquid-state sulfur described in the second teletransmission thermometer measure, the radar level gauge is used to
The liquid level of the liquid-state sulfur in the measurement tank is measured, the teletransmission pressure gauge is used to measure the inside pressure of the measurement tank
By force；
The second teletransmission thermometer, radar level gauge, teletransmission pressure gauge are all mounted on the blind flange of the upper end of the measurement tank
On.
2. pure oxygen method sulfur furnace liquid-state sulfur liquid level emasuring device according to claim 1, it is characterised in that：The gas phase
Fairlead outer tube and liquid phase fairlead outer tube all divide with the connectivity part of the sulfur furnace and to the internal stretch of the sulfur furnace
Not Xing Cheng gas phase fairlead inner tube (40) and liquid phase fairlead inner tube (41), it is resistance to that the inside of the gas phase fairlead inner tube wears one
High-temperature corundum pipe (42), and asbestos cord is filled between the gas phase fairlead inner tube and the high temperature resistant alundum tube.
3. pure oxygen method sulfur furnace liquid-state sulfur liquid level emasuring device according to claim 1, it is characterised in that：It is burnt with described
Horizontal line where the minimum point of the furnace bottom of sulphur furnace is referring to height, and the gas phase fairlead inner tube is located at the liquid phase fairlead
The top of inner tube, and the level height (H1) of the gas phase fairlead inner tube is greater than the liquid level of the liquid-state sulfur in the sulfur furnace
Highly (H2), the level height (H3) of the liquid phase fairlead inner tube are less than the liquid level of the liquid-state sulfur in the sulfur furnace
(H2)。
4. pure oxygen method sulfur furnace liquid-state sulfur liquid level emasuring device according to claim 1, it is characterised in that：It is described to burn sulphur
The inner circumferential of furnace is equipped with one layer of refractory brick insulating brick-layer (39), and the gas phase fairlead inner tube is interior with the refractory brick insulating brick-layer
The distance between highest point of wall (D1) is 10cm, the liquid phase fairlead inner tube and the inner wall of the refractory brick insulating brick-layer
The distance between minimum point (D2) is 10cm.
5. pure oxygen method sulfur furnace liquid-state sulfur liquid level emasuring device according to claim 1, it is characterised in that：The liquid level
Measuring device includes SO2Cooler (43), SO2Compressor (44) and SO2Main exhaust (45), the SO2The air inlet pipe of cooler
(46) with the SO of sulfur furnace2Outlet mouth of pipe connection, the SO2The escape pipe (47) and the SO of cooler2The air inlet pipe of compressor
Mouth connection, the SO2The escape pipe (48) and the SO of compressor2The air inlet mouth of pipe of anti-blowpipe is connected to, and the SO2Compressor
Escape pipe also with the SO2Main exhaust connection；
The SO2SO in anti-blowpipe2Gas is to be produced derived from the sulfur furnace by the SO2Cooler is cooling and by institute
State SO2The SO of compressor compresses2Gas.
6. pure oxygen method sulfur furnace liquid-state sulfur liquid level emasuring device according to claim 1, it is characterised in that：The gas phase
Fairlead inner tube, gas phase fairlead inner tube outer tube, liquid phase fairlead outer tube and liquid phase fairlead inner tube are all that specification is DN50
Stainless steel tube.
7. pure oxygen method sulfur furnace liquid-state sulfur liquid level emasuring device according to claim 1, it is characterised in that：It is described into oxygen
Pipe, the first steam steam inlet pipe, the first condensed water outlet pipe and SO2Anti-blowpipe is all the carbon steel pipes that specification is DN25.
8. pure oxygen method sulfur furnace liquid-state sulfur liquid level emasuring device according to claim 1, it is characterised in that：The liquid level
Measuring device includes 0.4MPa steam distribution tank, and the 0.4MPa steam distribution tank send steam ports all with first steam into vapour
The steam inlet pipe mouth of pipe, the second steam steam inlet pipe steam inlet pipe mouth connected with the steam inlet pipe mouth of third steam steam inlet pipe.
9. pure oxygen method sulfur furnace liquid-state sulfur liquid level emasuring device according to claim 1, it is characterised in that：The liquid level
Measuring device further includes at nitrogen gas tank, nitrogen tube (49), exhaust pipe (50), gas sample tube (51), flue gas leading (52) and exhaust gas
Manage device, one end of the nitrogen tube is connected at the top of the measurement tank with the measurement tank, the nitrogen tube it is another
End connect with the outlet mouth of pipe of the nitrogen gas tank, and one end of the exhaust pipe is at the top for measuring tank and the measurement tank
Connection, the other end of the exhaust pipe are equipped with carbon steel threeway, the Single port of the carbon steel threeway by the flue gas leading with it is described
Emission-control equipment connection, the another port of the carbon steel threeway is connect with gas sample tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820578536.5U CN208171385U (en) | 2018-04-23 | 2018-04-23 | Pure oxygen method sulfur furnace liquid-state sulfur liquid level emasuring device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820578536.5U CN208171385U (en) | 2018-04-23 | 2018-04-23 | Pure oxygen method sulfur furnace liquid-state sulfur liquid level emasuring device |
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|---|---|
| CN208171385U true CN208171385U (en) | 2018-11-30 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108362357A (en) * | 2018-04-23 | 2018-08-03 | 江苏省盐海化工有限公司 | Pure oxygen method sulfur furnace liquid-state sulfur liquid level emasuring device |
| CN112781683A (en) * | 2019-11-01 | 2021-05-11 | 西安定华电子股份有限公司 | Liquid level measuring device and liquid level measuring method |
-
2018
- 2018-04-23 CN CN201820578536.5U patent/CN208171385U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108362357A (en) * | 2018-04-23 | 2018-08-03 | 江苏省盐海化工有限公司 | Pure oxygen method sulfur furnace liquid-state sulfur liquid level emasuring device |
| CN108362357B (en) * | 2018-04-23 | 2024-02-13 | 江苏省盐海化工有限公司 | Liquid sulfur level measuring device of pure oxygen method sulfur incinerator |
| CN112781683A (en) * | 2019-11-01 | 2021-05-11 | 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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