CN112158808A - Device for continuously separating sulfur, desulfurization waste liquid and coal powder - Google Patents
Device for continuously separating sulfur, desulfurization waste liquid and coal powder Download PDFInfo
- Publication number
- CN112158808A CN112158808A CN202011233001.2A CN202011233001A CN112158808A CN 112158808 A CN112158808 A CN 112158808A CN 202011233001 A CN202011233001 A CN 202011233001A CN 112158808 A CN112158808 A CN 112158808A
- Authority
- CN
- China
- Prior art keywords
- cylinder body
- end enclosure
- sulfur
- port
- heat exchange
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 title claims abstract description 124
- 229910052717 sulfur Inorganic materials 0.000 title claims abstract description 114
- 239000011593 sulfur Substances 0.000 title claims abstract description 114
- 239000007788 liquid Substances 0.000 title claims abstract description 98
- 239000003245 coal Substances 0.000 title claims abstract description 31
- 238000006477 desulfuration reaction Methods 0.000 title claims abstract description 31
- 230000023556 desulfurization Effects 0.000 title claims abstract description 31
- 239000002699 waste material Substances 0.000 title claims abstract description 18
- 239000000843 powder Substances 0.000 title claims abstract description 9
- 239000006260 foam Substances 0.000 claims abstract description 34
- 238000000926 separation method Methods 0.000 claims abstract description 14
- 239000002817 coal dust Substances 0.000 claims abstract description 10
- 238000007789 sealing Methods 0.000 claims description 9
- 230000008676 import Effects 0.000 claims description 8
- 239000011229 interlayer Substances 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 239000002253 acid Substances 0.000 abstract description 15
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 239000007921 spray Substances 0.000 abstract description 9
- 238000004939 coking Methods 0.000 abstract description 7
- 238000005352 clarification Methods 0.000 abstract description 6
- 238000002360 preparation method Methods 0.000 abstract description 5
- 239000000463 material Substances 0.000 abstract description 2
- 150000003839 salts Chemical class 0.000 abstract description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 abstract 2
- 229910021529 ammonia Inorganic materials 0.000 abstract 1
- 230000000903 blocking effect Effects 0.000 abstract 1
- 239000005864 Sulphur Substances 0.000 description 10
- 230000001105 regulatory effect Effects 0.000 description 10
- 230000008018 melting Effects 0.000 description 9
- 238000002844 melting Methods 0.000 description 8
- 230000005484 gravity Effects 0.000 description 7
- 239000002245 particle Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 238000011084 recovery Methods 0.000 description 6
- 239000000571 coke Substances 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 238000009529 body temperature measurement Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 239000010410 layer Substances 0.000 description 3
- 239000002893 slag Substances 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 239000012065 filter cake Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000002912 waste gas Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000010309 melting process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B17/00—Sulfur; Compounds thereof
- C01B17/02—Preparation of sulfur; Purification
- C01B17/027—Recovery of sulfur from material containing elemental sulfur, e.g. luxmasses or sulfur containing ores; Purification of the recovered sulfur
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B17/00—Sulfur; Compounds thereof
- C01B17/02—Preparation of sulfur; Purification
- C01B17/0221—Melting
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Abstract
The invention relates to a device for continuously shunting sulfur, desulfurization waste liquid and coal powder, which comprises a separation device and a clarification device, wherein the separation device comprises a cylinder body, the top end of the cylinder body is connected with an upper end enclosure, the bottom end of the cylinder body is provided with a lower end enclosure, the upper end enclosure is provided with a desulfurization liquid outlet, a sulfur foam inlet pipe, a thermometer port and a pressure transmitter port, the foam inlet pipe penetrates through the upper end enclosure and extends to the bottom of the cylinder body, the cylinder body is provided with a first heat exchange device, the lower end enclosure is provided with a second heat exchange device, the cylinder body is internally provided with a third heat exchange device, and the third heat exchange; a temperature sensor port is arranged at the bottom of the cylinder body close to the lower end enclosure; and a crude liquid outlet is arranged on the lower end enclosure and is communicated with the clarifying device. The device does not need to discharge sulfur and store the sulfur in the tank and then input the sulfur into the clarifying device by pressurizing with a pump, thereby solving the problem that the coking enterprises for coking 'ammonia-based desulfurization systems' have high content of coal dust for preparing acid and blocking the spray gun in a mode of respectively feeding two different materials of liquid sulfur and mixed liquid auxiliary salt, and ensuring the stability of subsequent acid preparation production.
Description
Technical Field
The invention belongs to the technical field of acid preparation from desulfurization waste liquid in the coking industry, and particularly relates to a device for continuously separating sulfur and coal powder.
Background
At present, in the domestic coking industry, two devices for recovering sulfur in the process of preparing acid from sulfur foam generated by wet desulphurization are available. One is to use an old intermittent kettle as main equipment, and the kettle needs a filter, a sulfur slag tank and other equipment to be matched with the kettle for sulfur recovery. Filtering sulfur foam to obtain a filter cake through a filter, manually opening a kettle cover, heating and melting sulfur after the filter cake is put in, discharging sulfur slag in each kettle to generate three wastes, and basically eliminating the three wastes;
the second is the device which is commonly used in the prior art and is disclosed by application number '201420178703.9', publication number 'CN 203764227U' and name 'low-pressure full-automatic continuous sulfur melting kettle', and the device can continuously feed sulfur foam into the kettle to continuously separate sulfur from solution, melt sulfur, and perform discontinuous operation under the condition of less sulfur foam, no slag discharge, no waste liquid and no solution loss. It has the following technical problems:
1. the sulfur must be discharged and stored in the tank and pressurized to the liquid sulfur spray gun by a pump, which causes energy waste and environmental pollution;
2. the discharged liquid sulfur contains more coal dust, and is particularly not suitable for the production of acid from the desulfurized waste liquid of the top-loading coke oven, because the coal dust in the desulfurized waste liquid of the top-loading coke oven is very much, the dissolved liquid sulfur contains more coal dust, and the liquid sulfur spray gun entering the incinerator is frequently blocked, if the coal dust is not separated and enters the incinerator for incineration, the ash content of sulfuric acid exceeds the standard, the quality of the finished acid is reduced, and the continuity of the production of acid from the desulfurized waste liquid and the quality of the finished acid are influenced.
Disclosure of Invention
In view of the above problems in the prior art, the present invention provides a device for continuously separating sulfur and pulverized coal to solve at least one of the above technical problems.
In order to achieve the above object, the present invention provides a technical solution as follows:
a device for continuously separating sulfur, desulfurization waste liquid and coal powder comprises a separation device and a clarification device, wherein the separation device comprises a cylinder body, the top end of the cylinder body is connected with an upper end enclosure, the bottom end of the cylinder body is provided with a lower end enclosure, the upper end enclosure is provided with a desulfurization liquid outlet, a sulfur foam inlet pipe, a thermometer port and a pressure transmitter port, the foam inlet pipe penetrates through the upper end enclosure and extends to the bottom of the cylinder body, the cylinder body is provided with a first heat exchange device, the lower end enclosure is provided with a second heat exchange device, the cylinder body is internally provided with a third heat exchange device, and the third heat exchange device extends to the inside of the lower end enclosure; a temperature sensor port is formed in the position, close to the lower end enclosure, of the bottom of the cylinder body; and a crude liquid outlet is arranged on the lower end enclosure and is communicated with the clarifying device.
Preferably, the clarifying device comprises an outer shell and an inner shell, an interlayer is formed between the outer shell and the inner shell, a steam port, a pressure gauge port, a pulverized coal outlet and a temperature measuring port are arranged on the top surface of the outer shell, the steam port is communicated with the interlayer, and the pressure gauge port, the pulverized coal outlet and the temperature measuring port are communicated with the inside of the inner shell through the outer shell and the inner shell; the bottom surface of the outer shell is provided with a vent, and the vent penetrates through the outer shell and the inner shell to be communicated with the inside of the inner shell; the side of shell body is provided with refined liquid sulfur export, refined liquid sulfur discharge port and crude liquid sulfur import, refined liquid sulfur export, refined liquid sulfur discharge port and crude liquid sulfur import all pass the shell body and interior casing with the inside intercommunication of interior casing, crude liquid sulfur access connection has the intercommunication device, crude liquid export with the intercommunication device intercommunication, the intercommunication device with crude liquid sulfur import intercommunication.
Preferably, the outer shell comprises an outer cylinder, an outer cylinder upper end enclosure and an outer cylinder lower end enclosure, and the outer cylinder upper end enclosure is positioned above the outer cylinder and is in sealing connection with the outer cylinder; the lower end enclosure of the outer cylinder body is positioned below the outer cylinder body and is in sealing connection with the outer cylinder body; the inner shell comprises an inner cylinder, an inner cylinder upper end enclosure and an inner cylinder lower end enclosure, and the inner cylinder upper end enclosure is positioned above the inner cylinder and is connected with the inner cylinder in a sealing manner; the lower end enclosure of the inner cylinder body is positioned below the inner cylinder body and is connected with the inner cylinder body in a sealing way; the steam port, the pressure gauge port, the pulverized coal outlet and the temperature measuring port are positioned on the upper end socket of the outer cylinder body, and the emptying port is positioned on the lower end socket of the outer cylinder body; the outer barrel with be provided with the connecting plate between the interior barrel, the one end of connecting plate with the inner wall of outer barrel is connected, the other end with the outer wall connection of interior barrel.
Preferably, the upper end socket and the lower end socket of the outer cylinder body are respectively welded with the outer cylinder body; the upper end socket of the inner cylinder and the lower end socket of the inner cylinder are respectively welded with the inner cylinder.
Preferably, the lower end enclosure is in a conical shape with the tip end facing downwards, the first heat exchange device is a first steam half-pipe coil, the second heat exchange device is a second steam half-pipe coil, the third heat exchange device is a steam coil, and a linear space is reserved between the lower end of the steam coil and the conical lower end enclosure and is fixed on the cylinder and the conical lower end enclosure through an angle steel frame; the foam inlet pipe extends to the interior of the steam coil and is located at the upper portion of the steam coil.
Preferably, the foam inlet pipe is provided with a U-shaped bend in the cylinder.
Preferably, the upper end enclosure and the lower end enclosure are respectively welded with the cylinder body.
Preferably, a space is arranged between the top end of the first heat exchange device and the upper end enclosure.
When the device for continuously separating sulfur, desulfurization waste liquid and coal powder is used, sulfur foam from a desulfurization working section passes through the cylinder body through the sulfur foam inlet pipe after the flow is regulated by the flow regulating valve, enters the solution layer at the lower half part of the inside through the sulfur foam inlet pipe, the solution is heated by the desulfurization liquid returned from the middle upper part of the cylinder body and flows downwards, the sulfur foam quickly reaches 60-90 ℃, tiny sulfur particles attached to the foam are gathered, increased and subsided along with the breakage of the foam, the solution at the middle upper part of the steam coil pipe is heated to about 110-135 ℃ by steam, sulfur is melted, solution separation is carried out in a space formed by the steam coil pipe and the lower end socket of the cone, liquid sulfur and sulfur particles with large specific gravity continue to deposit to the lower part of the separator body, the heat of the molten sulfur is increased by the second steam half-pipe coil pipe, the sulfur is melted and deposited at the lower part of the cone of the separator, and the pressure transmitter is connected, the sulfur can be input into the clarifying device through pressure difference, the desulfurized liquid with light specific gravity flows upwards along the annular space between the cylinder body of the separator and the steam coil after being separated from the sulfur in the lower cavity of the separator, the desulfurized liquid is heated and insulated by the first steam half-pipe coil, sulfur particles in the desulfurized liquid are continuously melted and separated, the desulfurized liquid is discharged from the desulfurized liquid outlet, a self-operated regulating valve can be installed on a pipeline of the desulfurized liquid outlet to ensure that the pressure in the separator is kept within a certain range, a pneumatic regulating valve is installed on each steam pipe entering the separator, the steam flow is automatically regulated according to the temperature measured by a thermometer and a temperature sensor of the separator, and the temperature of the solution is controlled within a certain range.
The device presses sulphur into the clarification device through the form of pressure differential, need not discharge sulphur and deposit the input clarification device of reuse pump pressurization in the groove, in addition, the sulphur foam relies on pressure differential to be in orderly flow state all the time in the device, accomplishes separation, gathering, concentration, melting, separation, recovery process automatically, and the high quality of recovery sulphur, buggy content is few, has compensatied the defect of cauldron formula sulphur melting, need not cooperate the filter to use, and is more energy-conserving, and the handling capacity increases at double. The phenomenon that the spray gun is blocked due to high coal dust content in the process of preparing acid by using the desulfurization solution of a coking enterprise with the top-mounted coke oven for front desulfurization is completely solved, and the stability of subsequent acid preparation production is ensured.
Drawings
FIG. 1 is a schematic diagram of the apparatus of the present invention;
reference numbers in the figures: 1. a barrel; 2. an upper end enclosure; 3. a desulfurization liquid outlet; 4. a sulfur foam inlet pipe; 5. a thermometer port; 6. a pressure transmitter port; 7. a first steam half-pipe coil; 8. a steam coil; 9. an angle steel frame; 10. a temperature sensor port; 11. a lower end enclosure; 12. a second steam half-pipe coil; 13. a crude liquid stream outlet; 14. a communication device; 15. a crude liquid sulfur inlet; 16. the lower end enclosure of the inner cylinder body; 17. emptying the air; 18. a lower end enclosure of the outer cylinder body; 19. a connecting plate; 20. a refined liquid sulfur outlet; 21. an inner cylinder; 22. an outer cylinder; 23. an upper end enclosure of the inner cylinder body; 24. an upper end enclosure of the outer cylinder body; 25. a steam port; 26. a pressure gauge port; 27. a pulverized coal outlet; 28. a temperature measurement port; 29. a refined liquid sulfur discharge port.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a device for continuously separating sulfur, desulfurization waste liquid and coal dust, which comprises a separating device and a clarifying device, and is characterized in that the separating device comprises a cylinder body 1, the top end of the cylinder body is connected with an upper end enclosure 2, the bottom end of the cylinder body is provided with a lower end enclosure 11, the upper end enclosure and the lower end enclosure are respectively welded with the cylinder body, the lower end enclosure is in a conical shape with a downward pointed end for facilitating the collection of liquid sulfur, the upper end enclosure is provided with a desulfurization liquid outlet 3, a sulfur foam inlet pipe 4, a thermometer port 5 and a pressure transmitter port 6, the foam inlet pipe penetrates through the upper end enclosure and extends to the bottom of the cylinder body, the cylinder body is provided with a first heat exchange device, and a certain interval is generally arranged between the top end of the first heat exchange device and the upper end enclosure so that the upper part of the cylinder body has a certain area which is not in direct, the waste of energy in the heat exchange process is reduced, a second heat exchange device is arranged on the lower end enclosure, a third heat exchange device is arranged in the cylinder, and the third heat exchange device extends into the lower end enclosure; a temperature sensor port 10 is arranged at the bottom of the cylinder body close to the lower end enclosure; and a crude liquid outlet 13 is arranged on the lower sealing head and is communicated with the clarifying device. In the embodiment, the first heat exchange device is preferably a first steam half-pipe coil 7, and the second heat exchange device is preferably a second steam half-pipe coil 12, so that steam can directly contact with the cylinder and the lower end enclosure when passing through the half-pipe coils, the heat exchange efficiency is high, and compared with the existing jacketed heat exchange, the heat exchange device has the advantages of low material consumption, low manufacturing requirement and low energy consumption; the third heat exchange device is preferably a steam coil 8, the steam coil 8 is preferably a full-immersion type coil, the coil has high steam utilization rate and good heat exchange effect, a linear space of 300-600 mm is reserved between the lower end of the steam coil and the conical lower end enclosure and is used for flowing and separating feed liquid, and the steam coil is fixed on the cylinder and the conical lower end enclosure through an angle steel frame 9; the foam inlet pipe extends to the inside of the steam coil pipe and is positioned at the upper part of the steam coil pipe so as to control the flow direction of the feed liquid, the feed liquid flows downwards in the coil pipe orderly and fully absorbs heat, sulfur particles in the area are changed into liquid sulfur, the liquid sulfur is gathered to a cone, and the solution with light specific gravity at the lower part of the steam coil pipe flows upwards through a space with a linear distance of 300-600 mm reserved between a steam end and the conical lower end enclosure. In order to increase the retention time of the solution in the middle upper part of the cylinder body and facilitate the feed liquid to absorb more heat to enable the sulfur foam solution to quickly reach 60-90 ℃, the foam inlet pipe is provided with a U-shaped bend in the cylinder body, wherein the U-shaped bend can be one or a plurality of.
When the device for continuously separating sulfur, desulfurized waste liquid and coal powder is used, sulfur foam from a desulfurization working section passes through the cylinder body 1 after the flow is regulated by the flow regulating valve, enters the solution layer at the lower half part of the inside through the sulfur foam inlet pipe 4, the solution is heated by the returned desulfurization liquid at the middle upper part in the cylinder body and flows downwards, the sulfur foam quickly reaches 60-90 ℃, tiny sulfur particles attached to the foam are gathered, increased and subsided along with the breakage and the breakage of the foam, the solution at the middle upper part of the steam coil 8 is heated to about 110-135 ℃ by steam, the sulfur is melted, the solution separation is carried out in a space formed by the steam coil 8 and the lower end socket of the cone, the liquid sulfur and the sulfur particles with large specific gravity continue to deposit to the lower part of the separator body, the heat of the molten sulfur is increased by the lower end socket steam half-pipe coil 12, the sulfur is melted and deposited at the lower part of the cone of the separator, and the pressure transmitter is, the sulfur can be input into the clarifying device through pressure difference, the desulfurization liquid with light specific gravity flows upwards along the annular space between the cylinder 1 of the separator and the steam coil 8 after being separated from the sulfur in the lower cavity of the separator, the desulfurization liquid is heated and insulated by the steam half-pipe 7 of the cylinder, a small part of sulfur particles contained in the desulfurization liquid are continuously melted and separated, the desulfurization liquid is discharged from the desulfurization liquid outlet 6, a self-operated regulating valve can be arranged on the pipeline of the desulfurization liquid outlet 6 to ensure that the pressure in the separator is kept within a certain range, a pneumatic regulating valve is arranged on each steam pipeline entering the separator, the steam flow is automatically regulated according to the temperature measured by the thermometer port 5 of the separator and the temperature sensor 10, and the temperature of the solution is controlled within a certain range.
The device presses sulphur into the clarification device through the form of pressure differential, need not discharge sulphur and deposit the input clarification device of reuse pump pressurization in the groove, in addition, the sulphur foam relies on pressure differential to be in orderly flow state all the time in the device, accomplishes separation, gathering, concentration, melting, separation, recovery process automatically, and the high quality of recovery sulphur, buggy content is few, has compensatied the defect of cauldron formula sulphur melting, need not cooperate the filter to use, and is more energy-conserving, and the handling capacity increases at double. The phenomenon that the spray gun is blocked due to high coal dust content in the process of preparing acid by using the desulfurization solution of a coking enterprise with the top-mounted coke oven for front desulfurization is completely solved, and the stability of subsequent acid preparation production is ensured.
In this embodiment, the clarifier may use an existing clarifier, as a preferred scheme, the clarifier includes an outer shell and an inner shell, an interlayer is formed between the outer shell and the inner shell, a steam port 25, a pressure gauge port 26, a pulverized coal outlet 27 and a temperature measurement port 28 are arranged on the top surface of the outer shell, the steam port is communicated with the interlayer, two general steam ports may be arranged to form a backflow, and the pressure gauge port, the pulverized coal outlet and the temperature measurement port all pass through the outer shell and the inner shell to be communicated with the inside of the inner shell; the bottom surface of the outer shell is provided with an evacuation port 17 for emptying the clarifying device during maintenance, and the evacuation port penetrates through the outer shell and the inner shell to be communicated with the inside of the inner shell; the side of shell body is provided with refined liquid sulfur export 20, refined liquid sulfur discharge port 29 and crude liquid sulfur import 15, refined liquid sulfur export, refined liquid sulfur discharge port and crude liquid sulfur import all pass the shell body and interior casing with the inside intercommunication of interior casing, crude liquid sulfur access connection has intercommunication device 14, and intercommunication device can use communicating pipe, seals one end the top and offers and crude liquid stream exit linkage, and crude liquid sulfur import is connected to the other end, and is general, mountable electrical control valve so that adjust the flow that crude liquid stream got into the clarifier on the intercommunication device. In this embodiment, for convenience of manufacturing, the outer shell includes an outer cylinder 22, an outer cylinder upper end enclosure 24, and an outer cylinder lower end enclosure 18, and the outer cylinder upper end enclosure is located above the outer cylinder and welded to the outer cylinder; the lower end enclosure of the outer cylinder body is positioned below the outer cylinder body and is welded with the outer cylinder body; the inner shell comprises an inner cylinder body 21, an inner cylinder body upper end enclosure 23 and an inner cylinder body lower end enclosure 16, wherein the inner cylinder body upper end enclosure is positioned above the inner cylinder body and welded with the inner cylinder body; the lower end enclosure of the inner cylinder body is positioned below the inner cylinder body and is welded with the inner cylinder body; the steam port 25, the pressure gauge port 26, the pulverized coal outlet 27 and the temperature measuring port 28 are positioned on the upper end enclosure of the outer cylinder, the pressure gauge port 26 and the temperature measuring port 28 are respectively used for connecting a pressure gauge and a thermometer or a temperature sensor to control the production of the interior of the inner shell of the clarifying device under the specified pressure and temperature, so that the safety is ensured, and the evacuation port is positioned on the lower end enclosure of the outer cylinder; outer barrel with be provided with connecting plate 19 between the interior barrel, the one end of connecting plate with the interior wall connection of outer barrel, the other end with the outer wall connection of interior barrel can carry out location connection each other to outer barrel and interior barrel through the welding of connecting plate 19, is favorable to the intermediate layer between outer barrel and the interior barrel to be sealed.
The crude liquid sulfur input into the inner cavity of the inner shell of the clarifying device through the communicating device 14 in the structure is clarified continuously under the action of steam heat of the steam port 25, the temperature of molten sulfur in the inner shell of the clarifying device is kept to be 120-140 ℃, the pressure of 3 kilograms in the inner shell of the clarifying device is kept, and the crude liquid sulfur is clarified continuously, and pulverized coal with light specific gravity is collected at the upper part of the inner cavity of the inner shell, wherein the clarifying device is different from a kettle type sulfur melting kettle in that a pulverized coal outlet 27 is arranged at the top of the clarifying device, an electric valve on a pulverized coal outlet 27 pipeline is automatically opened according to data measured by a pressure gauge port 26 and a temperature measuring port 28, so that pulverized coal discharging operation is carried out, and waste gas generated during operation is sucked into an incinerator through a gas collecting hood by. The lower part of the inner cavity of the inner shell is gathered with the refined liquid sulfur with a specific weight and is interlocked with a pneumatic valve through a flowmeter, the quantity of the refined liquid sulfur entering an incinerator is controlled according to the yield requirement of the finished product sulfuric acid, the opening of the pneumatic valve is set in DCS to adjust the flow, the liquid sulfur enters a spray gun through a jacket pipeline through the internal pressure of the liquid sulfur, and is sprayed into the incinerator through the spray gun to be incinerated to obtain SO2 gas, SO that the liquid sulfur is not required to be put into a groove and is pressurized and sent to the spray gun through a pump, when the yield of acid is excessive, an electric valve on the pipeline can be opened through opening a refined liquid sulfur discharge port 29, the refined liquid sulfur is discharged continuously or discontinuously, waste gas generated during the discharge operation is sucked into the incinerator through.
In practical application, the crude liquid sulfur entering the clarifier may contain a small amount of pulverized coal, and therefore, in the above structure, the height of the refined liquid sulfur outlet 20 is preferably about 500 mm-1500 mm lower than that of the crude liquid sulfur inlet 15, so that the pulverized coal flows upwards due to light specific gravity, the high-quality liquid sulfur removed from the pulverized coal flows downwards to further separate the pulverized coal, and the crude liquid sulfur inlet is generally located at the middle lower part of the clarifier to ensure that the pulverized coal has space for storage, thereby reducing the discharge times.
In summary, the device for continuously separating the sulfur, the desulfurization waste liquid and the coal powder has the following advantages compared with the kettle type device: the device has the advantages of large treatment capacity, simple structure, high efficiency, low energy consumption and small occupied area when the treatment capacity is the same. The sulfur foam in the device is always in an orderly flowing state by means of pressure difference, the separation, aggregation, concentration, melting, separation and recovery processes are automatically completed, the quality of recovered sulfur is high, and the content of pulverized coal is very low. The method makes up the defect of kettle type sulfur melting, does not need to be matched with a filter for use, saves more energy and increases the treatment capacity by times. The phenomenon that the spray gun is blocked due to high coal dust content in the process of preparing acid by using the desulfurization solution of a coking enterprise with the top-mounted coke oven for front desulfurization is completely solved, and the stability of subsequent acid preparation production is ensured. The device simple structure adopts half pipe coil of steam, the built-in coil pipe heat transfer efficiency of steam is high, consumes steam fewly, and investment, operation cost are low, easy operation need not special personnel operation, only need to patrol and examine every shift can.
The above-mentioned embodiments only express the embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the concept of the present invention, the present invention may also make several modifications and improvements, including the separation of solid sulfur-dissolved coal fines and the dissolution of solid secondary salts separately feeding acid-making manner, which fall within the protection scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (8)
1. A device for continuously separating sulfur, desulfurization waste liquid and coal powder is characterized by comprising a separating device and a clarifying device,
the separation device comprises a cylinder body (1), the top end of the cylinder body is connected with an upper end enclosure (2), the bottom end of the cylinder body is provided with a lower end enclosure (11), the upper end enclosure is provided with a desulfurization liquid outlet (3), a sulfur foam inlet pipe (4), a thermometer port (5) and a pressure transmitter port (6), the foam inlet pipe penetrates through the upper end enclosure and extends to the bottom of the cylinder body, the cylinder body is provided with a first heat exchange device, the lower end enclosure is provided with a second heat exchange device, the cylinder body is internally provided with a third heat exchange device, and the third heat exchange device extends to the inside of the lower end enclosure; a temperature sensor port (10) is arranged at the bottom of the cylinder body close to the lower end enclosure;
and a crude liquid outlet (13) is arranged on the lower end socket and is communicated with the clarifying device.
2. The apparatus for continuously separating sulfur and coal dust according to claim 1, wherein:
the clarifying device comprises an outer shell and an inner shell, an interlayer is formed between the outer shell and the inner shell, a steam port (25), a pressure gauge port (26), a pulverized coal outlet (27) and a temperature measuring port (28) are arranged on the top surface of the outer shell, the steam port is communicated with the interlayer, and the pressure gauge port, the pulverized coal outlet and the temperature measuring port are communicated with the interior of the inner shell through the outer shell and the inner shell;
the bottom surface of the outer shell is provided with a vent (17), and the vent penetrates through the outer shell and the inner shell and is communicated with the inside of the inner shell;
the side of shell body is provided with refined liquid sulfur export (20), refined liquid sulfur discharge port (29) and crude liquid sulfur import (15), refined liquid sulfur export, refined liquid sulfur discharge port and crude liquid sulfur import all pass the shell body and interior casing with the inside intercommunication of interior casing, crude liquid sulfur access connection has intercommunication device (14), crude liquid outlet with the intercommunication device intercommunication, the intercommunication device with crude liquid sulfur access intercommunication.
3. The apparatus of claim 2, wherein:
the outer shell comprises an outer cylinder body (22), an outer cylinder body upper end enclosure (24) and an outer cylinder body lower end enclosure (18), and the outer cylinder body upper end enclosure is positioned above the outer cylinder body and is connected with the outer cylinder body in a sealing manner;
the lower end enclosure of the outer cylinder body is positioned below the outer cylinder body and is in sealing connection with the outer cylinder body;
the inner shell comprises an inner cylinder body (21), an inner cylinder body upper end enclosure (23) and an inner cylinder body lower end enclosure (16), and the inner cylinder body upper end enclosure is positioned above the inner cylinder body and is connected with the inner cylinder body in a sealing manner;
the lower end enclosure of the inner cylinder body is positioned below the inner cylinder body and is connected with the inner cylinder body in a sealing way;
the steam port (25), the pressure gauge port (26), the pulverized coal outlet (27) and the temperature measuring port (28) are positioned on the upper end socket of the outer cylinder body, and the emptying port is positioned on the lower end socket of the outer cylinder body;
a connecting plate (19) is arranged between the outer barrel and the inner barrel, one end of the connecting plate is connected with the inner wall of the outer barrel, and the other end of the connecting plate is connected with the outer wall of the inner barrel.
4. The apparatus of claim 3, wherein:
the upper end socket and the lower end socket of the outer cylinder body are respectively welded with the outer cylinder body;
the upper end socket of the inner cylinder and the lower end socket of the inner cylinder are respectively welded with the inner cylinder.
5. The apparatus according to any one of claims 1-4, wherein: the lower end enclosure is in a conical shape with the pointed end facing downwards, the first heat exchange device is a first steam half-pipe coil (7), the second heat exchange device is a second steam half-pipe coil (12), the third heat exchange device is a steam coil (8), a linear space is reserved between the lower end of the steam coil and the conical lower end enclosure, and the lower end of the steam coil and the conical lower end enclosure are fixed on the barrel and the conical lower end enclosure through an angle steel frame (9);
the foam inlet pipe extends to the interior of the steam coil and is located at the upper portion of the steam coil.
6. The apparatus according to any one of claims 1-4, wherein: the foam inlet pipe is provided with a U-shaped bend in the cylinder.
7. The apparatus according to any one of claims 1-4, wherein: the upper end enclosure and the lower end enclosure are respectively welded with the cylinder body.
8. The apparatus according to any one of claims 1-4, wherein: and a space is reserved between the top end of the first heat exchange device and the upper end enclosure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011233001.2A CN112158808A (en) | 2020-11-06 | 2020-11-06 | Device for continuously separating sulfur, desulfurization waste liquid and coal powder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011233001.2A CN112158808A (en) | 2020-11-06 | 2020-11-06 | Device for continuously separating sulfur, desulfurization waste liquid and coal powder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112158808A true CN112158808A (en) | 2021-01-01 |
Family
ID=73865665
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011233001.2A Pending CN112158808A (en) | 2020-11-06 | 2020-11-06 | Device for continuously separating sulfur, desulfurization waste liquid and coal powder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112158808A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114620692A (en) * | 2022-03-24 | 2022-06-14 | 唐山中大科技有限公司 | Process for preparing sulfuric acid by carrying out salt extraction and co-firing on coking desulfurization foam sulfur melting and desulfurization waste liquid melting method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102267688A (en) * | 2010-06-03 | 2011-12-07 | 鞍钢集团工程技术有限公司 | Method and device for producing molten sulfur from sulfur foam |
| CN109437117A (en) * | 2018-11-26 | 2019-03-08 | 鞍钢集团工程技术有限公司 | A kind of process and device of low temperature continuous sulfur melting |
| CN209715062U (en) * | 2019-03-07 | 2019-12-03 | 湖北天利化建工程有限公司 | A kind of energy-saving desulfuration sulfur melting kettle |
| CN111285335A (en) * | 2020-02-22 | 2020-06-16 | 江苏康茂环保工程有限公司 | System for preparing sulfuric acid by using sulfur foam and desulfurization waste liquid semidry method and acid preparation method |
| CN213679830U (en) * | 2020-11-06 | 2021-07-13 | 江苏康茂环保工程有限公司 | Device for continuously separating sulfur, desulfurization waste liquid and coal powder |
-
2020
- 2020-11-06 CN CN202011233001.2A patent/CN112158808A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102267688A (en) * | 2010-06-03 | 2011-12-07 | 鞍钢集团工程技术有限公司 | Method and device for producing molten sulfur from sulfur foam |
| CN109437117A (en) * | 2018-11-26 | 2019-03-08 | 鞍钢集团工程技术有限公司 | A kind of process and device of low temperature continuous sulfur melting |
| CN209715062U (en) * | 2019-03-07 | 2019-12-03 | 湖北天利化建工程有限公司 | A kind of energy-saving desulfuration sulfur melting kettle |
| CN111285335A (en) * | 2020-02-22 | 2020-06-16 | 江苏康茂环保工程有限公司 | System for preparing sulfuric acid by using sulfur foam and desulfurization waste liquid semidry method and acid preparation method |
| CN213679830U (en) * | 2020-11-06 | 2021-07-13 | 江苏康茂环保工程有限公司 | Device for continuously separating sulfur, desulfurization waste liquid and coal powder |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114620692A (en) * | 2022-03-24 | 2022-06-14 | 唐山中大科技有限公司 | Process for preparing sulfuric acid by carrying out salt extraction and co-firing on coking desulfurization foam sulfur melting and desulfurization waste liquid melting method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206494958U (en) | Iron removal system for zinc hydrometallurgy | |
| CN103979604B (en) | The inner circulation fluidized device and method preparing titanium tetrachloride of a kind of vibration type | |
| CN213679830U (en) | Device for continuously separating sulfur, desulfurization waste liquid and coal powder | |
| CN112158808A (en) | Device for continuously separating sulfur, desulfurization waste liquid and coal powder | |
| CN201074185Y (en) | Novel sulfur melting kettle | |
| CN104911373B (en) | Closing heating refining lead system | |
| CN110482494B (en) | Energy-saving continuous sulfur melting process without waste liquid discharge | |
| CN204848710U (en) | Modified starch production system | |
| CN107445379A (en) | A kind of device and method of acid waste water evaporation emission reduction | |
| CN104368278B (en) | A kind of filtering type sulfur melting kettle | |
| CN103964398B (en) | From leaching the system reclaiming sulphur slag containing sulphur | |
| CN207056068U (en) | A kind of methanol filtration system | |
| CN106927429A (en) | A kind of method of sulfur recovery system and its production sulphur | |
| CN105217576B (en) | Filtration washing control method in hydrogen fluoride preparation technology | |
| CN212334594U (en) | Energy-saving continuous sulfur melting device | |
| CN208893702U (en) | A kind of disassembly and wash free paint filter device | |
| CN209922908U (en) | Polycrystalline silicon cold hydrogenation fluidized bed reaction device | |
| CN204261648U (en) | A kind of filtering type sulfur melting kettle | |
| CN208287649U (en) | A kind of amine liquid removes the control system of coke powder purification device | |
| CN206240142U (en) | A kind of efficient deslagging filter | |
| CN202052392U (en) | Filtering, washing and drying device | |
| CN206063961U (en) | A kind of gasification furnace usage on black water recovery system | |
| CN108744561A (en) | Steam removal of impurities production line in ketene dimer production | |
| CN220223598U (en) | Recovery device for dust-containing hydrogen in cold hydrogenation | |
| CN211246498U (en) | Novel titanium tetrachloride edulcoration device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |