CN107804828B - Molten sulfur recyclable device - Google Patents
Molten sulfur recyclable device Download PDFInfo
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- CN107804828B CN107804828B CN201710949866.0A CN201710949866A CN107804828B CN 107804828 B CN107804828 B CN 107804828B CN 201710949866 A CN201710949866 A CN 201710949866A CN 107804828 B CN107804828 B CN 107804828B
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- degassing
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- 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
- C01B17/04—Preparation of sulfur; Purification from gaseous sulfur compounds including gaseous sulfides
- C01B17/0404—Preparation of sulfur; Purification from gaseous sulfur compounds including gaseous sulfides by processes comprising a dry catalytic conversion of hydrogen sulfide-containing gases, e.g. the Claus process
- C01B17/0447—Separation of the obtained sulfur
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- 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
- C01B17/04—Preparation of sulfur; Purification from gaseous sulfur compounds including gaseous sulfides
- C01B17/0404—Preparation of sulfur; Purification from gaseous sulfur compounds including gaseous sulfides by processes comprising a dry catalytic conversion of hydrogen sulfide-containing gases, e.g. the Claus process
- C01B17/0408—Pretreatment of the hydrogen sulfide containing gases
-
- 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
- C01B17/04—Preparation of sulfur; Purification from gaseous sulfur compounds including gaseous sulfides
- C01B17/0404—Preparation of sulfur; Purification from gaseous sulfur compounds including gaseous sulfides by processes comprising a dry catalytic conversion of hydrogen sulfide-containing gases, e.g. the Claus process
- C01B17/0426—Preparation of sulfur; Purification from gaseous sulfur compounds including gaseous sulfides by processes comprising a dry catalytic conversion of hydrogen sulfide-containing gases, e.g. the Claus process characterised by the catalytic conversion
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Extraction Or Liquid Replacement (AREA)
Abstract
The invention discloses a kind of molten sulfur recyclable devices, comprising: preliminary reclaimer specifically includes: level-one tank, and interior horizontal positioned two surfaces parallel to each other uniformly open up the filter plate of multiple through-holes；It is horizontal in the level-one tank rotatably to set up the first rotation axis, the cylinder that surface uniformly opens up multiple through-holes is laterally arranged in first rotation axis；Igniter is set in the level-one tank；Level-one cooling device；Second level tank, interior level rotatably set up the second rotation axis, and second rotation axis fixes two filter plates being set parallel to each other, places catalyst between filter plate；Second level cooling device, inlet end are connected to the gas outlet of second level tank.The configuration of the present invention is simple, liquid sulphur recovery efficiency are high；Incomplete reaction is carried out to raw material acid gas and oxygen first with level-one tank, and is provided with filter plate, due to the blocking and shunting function of filter plate, so that speed slows down, so that two gas fusions mix well, carries out incomplete reaction, reaction speed is fast, and reaction efficiency is higher.
Description
Technical field
The present invention relates to molten sulfur recycling field more particularly to a kind of molten sulfur recyclable devices.
Background technique
The petrochemical industries such as oil-refining chemical, coal chemical industry, natural gas processing can generate a large amount of acid gas, contain in acid gas a large amount of
Sulphur, recovery value is very high, if direct emission, not only brings larger impact to surrounding enviroment, but also cause a large amount of of resource
Waste, causes huge economic loss.
Summary of the invention
It is an object of the invention to solve at least the above problems, and provide the advantages of at least will be described later.
It is a still further object of the present invention to provide a kind of molten sulfur recyclable devices, comprising:
Preliminary reclaimer, specifically includes:
Level-one tank, for horizontal positioned cylindrical-shaped structure, one end top, lower part is corresponding opens up two air inlets
Mouthful；It is horizontally arranged two surfaces parallel to each other in the level-one tank and uniformly opens up the filter plates of multiple through-holes, two filter plates are by institute
It states and is divided into upper space, middle space and down space inside level-one tank, upper space is connected to superposed air inlet；Down space with
Air inlet positioned at lower part is connected to；Level-one tank end opens up a gas outlet, is located in middle space；Water in the level-one tank
It is flat rotatably to set up the first rotation axis, the cylinder that surface uniformly opens up multiple through-holes, institute are laterally arranged in first rotation axis
The side wall for stating cylinder connects paddle made of multiple flexible materials outward；Igniter is set in the level-one tank；Described
One rotation axis realizes rotation under the drive of external motor；
Level-one cooling device, inlet end are connected to the gas outlet of level-one tank；
Second level tank, for horizontal positioned cylindrical-shaped structure, in level rotatably set up the second rotation axis, described second turn
Moving axis fixes two filter plates being set parallel to each other, and places catalyst between filter plate；Second level tank one end top, lower part
It is corresponding to open up two air inlets, and a gas outlet is arranged in end；One of air inlet goes out with level-one cooling device
The connection of gas end；Second rotation axis realizes rotation under the drive of external motor；
Second level cooling device, inlet end are connected to the gas outlet of second level tank.
Preferably, the molten sulfur recyclable device, the level-one tank, second level tank inner wall be coated with high-temperature resistant coating
Layer.
Preferably, the molten sulfur recyclable device, the igniter are igniter.
Preferably, multiple arc-shaped protrusions are arranged in the molten sulfur recyclable device, the stirring leaf surface.
Preferably, the molten sulfur recyclable device further includes processing equipment again, specifically includes degassing pond and recycling
Pond is separated between degassing pond and the recovery pond by first partition, the first partition fixed setting；
Be provided in the degassing pond second partition with by the degassing pond be divided into the first degassing pond and second degassing pond,
The two sides of the second partition have the sliding block of convex shape, and the degassing pond has and the slider shape phase along its length
Matched sliding slot, one end of the sliding slot extend to first partition, and the other end of the sliding slot extends to the degassing pond length
On the middle line in direction；The middle part of the second partition has recess, and the two sides of the recess are provided with the first filter, and two first
Third partition is inserted between filter, the third partition is bonded with the two sides of the recess；The aperture of first filter is 3
~3.5cm；Third partition upper end has first through hole, and the first through hole is close to the top of processing equipment again；Institute
State that first partition central structure is identical as the second partition central structure, and the first filter and second partition in first partition
In the first filter be interspersed；
Molten sulfur pipe, one end protrude into the bottom end of the recovery pond, and the other end protrudes into the upper end in first degassing pond, described
First pump housing is provided on molten sulfur pipe, the other end branch of the molten sulfur pipe is in four branch pipes, and each branch pipe connects an injection
Device, two injectors be located at the first degassing pond far from the two corners of second partition at, remaining two injectors be located at second every
For plate at the two corners that recovery pond is formed when farthest with the first degassing pond, the ejiction opening of injector is set as the folder with perpendicular
Angle is 15 °~20 °, and the ejiction opening of the injector is located at the 2/3 of the first degassing pond height；
Four groups of recoiling devices are distributed in the lower section of injector, and the recoiling device includes: pedestal, are fixed on described
The bottom in one degassing pond, is provided with a shaft on the pedestal, the axis of the shaft is parallel to the horizontal plane；Kick plate, thereon
Surface is rectangle, and the kick plate is arranged on the shaft and can rotate around shaft, and the shaft divides the kick plate
It is divided into first part and second part, the first part is opposite with the ejiction opening of the injector, and is plate structure, described
Second part is reticular structure, and the mesh size of the second part is 0.5-1cm, the first part and the second part
Be equal in weight；
Wherein, the recovery pond is connect with the outlet side of the second level cooling device.
Preferably, the molten sulfur recyclable device, first degassing are provided with first heater in pond, and described time
Secondary heating mechanism is provided in receives pond.
Preferably, the molten sulfur recyclable device, the recovery pond top are provided with evacuation, the pipe of the evacuation
Road penetrates into the recovery pond；The pipeline of conveying air is provided in first degassing pond.
The present invention is include at least the following beneficial effects:
(1) present invention carries out incomplete reaction to raw material acid gas and oxygen first with level-one tank, and is provided with filter plate, by
In the blocking and shunting function of filter plate, so that speed slows down, so that O2With include H2Two gas fusions of acid gas of S mix well,
Incomplete reaction is carried out, SO is obtained2And H2O, reaction speed is fast, and reaction efficiency is higher；It is cold by level-one by the gas of high fever reaction
But enter second level tank after device is cooling, under the rotation of the second rotation axis, filter plate rotation is driven, so that catalyst therein
With gas large area is comprehensive contacts, sufficiently react, continue SO2And H2S reacts to obtain S and H2O, that is, obtain liquid sulfur；
Structure is simple, and liquid sulphur recovery efficiency is high；
(2) since second partition constantly moves, the volume in the first degassing pond constantly increases, by the liquid to deaerate repeatedly
Sulphur can be close to the second degassing pond, and the molten sulfur being newly pumped into can be close to the first degassing pond here, to improve the degassing effect of molten sulfur
Rate.
(3) since the first filter in first partition and the first filter in second partition are interspersed, rapids is accelerated
Process degree further makes molten sulfur realize degassing.
(4) first part of kick plate can protect the abrasion of the first degassing bottom of pond portion, since first part is quickly downward
Movement, second part then fast upward motion, for second part having a size of the mesh-structured of 0.5-1cm, it is heavy quickly to stir
Product realizes the molten sulfur of bottom and deaerates again in the molten sulfur of bottom, realizes that an injector injection reaches dual degasifying effect.
Further advantage, target and feature of the invention will be partially reflected by the following instructions, and part will also be by this
The research and practice of invention and be understood by the person skilled in the art.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of preliminary reclaimer of the invention；
Fig. 2 is the structural schematic diagram of processing equipment again of the invention；
Fig. 3 is the connection schematic diagram of second partition of the present invention；
1- level-one tank, 2- filter plate, 3- igniter, 4- level-one cooling device, 5- second level tank, 6- second level cooling device, 8-
Branch pipe, 9- injector, 10- second partition, 11- first partition, the degassing of 12- first pond, the degassing of 13- second pond, 14- recovery pond,
First pump housing of 15-, 16- molten sulfur pipe, 61- evacuation, 62- pipeline, 71- first part, 72- second part, 91- ejiction opening,
101- first through hole, the first rotation axis of 110-, 111- sliding block, the first filter of 113-, 114- third partition, 120- cylinder, 130-
Paddle, the second rotation axis of 510-, 520- filter plate.
Specific embodiment
Present invention will be described in further detail below with reference to the accompanying drawings, to enable those skilled in the art referring to specification text
Word can be implemented accordingly.
It should be appreciated that such as " having ", "comprising" and " comprising " term used herein do not allot one or more
The presence or addition of a other elements or combinations thereof.
In the description of the present invention, term " transverse direction ", " longitudinal direction ", "upper", "lower", "front", "rear", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "top", "bottom", "inner", "outside" is orientation based on the figure or position
Relationship is set, is merely for convenience of description of the present invention and simplification of the description, is not that device or the element of indication or suggestion meaning are necessary
It with specific orientation, is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.
As shown in Figure 1, the present invention provides a kind of liquid sulfur degassing device comprising:
Level-one tank 1, for horizontal positioned cylindrical-shaped structure, one end top, lower part is corresponding opens up two air inlets
Mouthful；The filter plate 2 that two surfaces parallel to each other uniformly open up multiple through-holes is horizontally arranged in the level-one tank 1, two filter plates 2 will
Upper space, middle space and down space are divided into inside the level-one tank 1, upper space is connected to superposed air inlet；Lower sky
Between be located at lower part air inlet be connected to；1 end of level-one tank opens up a gas outlet, is located in middle space；The level-one
It is horizontal in tank 1 rotatably to set up the first rotation axis 110, be laterally arranged in first rotation axis 110 surface uniformly open up it is multiple
The cylinder 120 of through-hole, the side wall of the cylinder 120 connect paddle 130 made of multiple flexible materials outward；The level-one tank
Setting igniting fills 3 in 1；First rotation axis 110 realizes rotation under the drive of external motor；
Level-one cooling device 4, inlet end are connected to the gas outlet of level-one tank 1；
Second level tank 5, for horizontal positioned cylindrical-shaped structure, in level rotatably set up the second rotation axis 510, described the
Two rotation axis 510 fix two filter plates being set parallel to each other 520, place catalyst between filter plate 520；The second level tank
5 one end top, lower part are corresponding to open up two air inlets, and a gas outlet is arranged in end；One of air inlet and one
The outlet side connection of grade cooling device 4；Second rotation axis 510 realizes rotation under the drive of external motor；
Second level cooling device 6, inlet end are connected to the gas outlet of second level tank 5.
As Figure 2-3, a kind of liquid sulfur degassing device is made of processing equipment again, the processing equipment packet again
Degassing pond and recovery pond 14 are included, is separated between the degassing pond and recovery pond 14 by first partition 11, the first partition 11
Fixed setting；
Second partition 10 is provided in the degassing pond to take off so that the degassing pond is divided into the first degassing pond 12 and second
Gas pond 13, the two sides of the second partition 10 have the sliding block 111 of convex shape, and the degassing pond has and institute along its length
The sliding slot that 111 shape of sliding block matches is stated, one end of the sliding slot extends to first partition 11, and the other end of the sliding slot extends
To the middle line in the degassing pond length direction；The middle part of the second partition 10 has recess, and the two sides of the recess are arranged
There is the first filter 113, third partition 114, the third partition 114 and the recess are inserted between two the first filters 113
Two sides fitting；The aperture of first filter 113 is 3~3.5cm；114 upper end of third partition has first through hole
101, and the first through hole 101 is close to the top of processing equipment again；11 central structure of first partition and described second
10 central structure of partition is identical.
Molten sulfur pipe 16, one end protrude into the bottom end of the recovery pond 14, and the other end protrudes into the upper of first degassing pond 12
It holds, first pump housing 15 is provided on the molten sulfur pipe 16, the other end branch of the molten sulfur pipe 16 is in four branch pipes 8, Mei Gezhi
Pipe 8 connects an injector 9, and two injectors 9 are located at the first two corners of the degassing pond 12 far from second partition 10, remaining
Two injectors 9 are located at second partition 10 at the two corners that recovery pond 14 is formed when farthest with the first degassing pond 12, injector 9
Ejiction opening 91 be set as being 15 °~20 ° with the angle of perpendicular, prevent impact of the high flow rate to side wall, the injector 9
Ejiction opening 91 be located at first degassing 12 height of pond 2/3 at；
Four groups of recoiling devices are distributed in the lower section of injector 9, and the recoiling device includes: pedestal, are fixed on described
The bottom in one degassing pond 12, is provided with a shaft on the pedestal, the axis of the shaft is parallel to the horizontal plane；Kick plate,
Upper surface is rectangle, and the kick plate is arranged on the shaft and can rotate around shaft, and the shaft is by the kick plate
It is divided into first part 71 and second part 72, the first part 71 is opposite with the ejiction opening 91 of the injector 9, and is plate
Shape structure, the second part 72 are reticular structure, and the mesh size of the second part 72 is 0.5-1cm, described first
Points 71 are equal in weight with the second part 72.
First degassing is provided with first heater in pond 12, and the second heating dress is provided in the recovery pond 14
It sets.Evacuation 61 is provided with above the recovery pond 14, the pipeline of the evacuation 61 penetrates into the recovery pond 14；Described first
The pipeline 62 of conveying air is provided in degassing pond 12.
The workflow of the processing equipment again are as follows: in preliminary recyclable device, acid gas and O first2Respectively by two
A air inlet enters level-one tank 1, and the through-hole respectively through filter plate 2 enters in middle space, since the blocking and shunting of filter plate 2 are made
With so that speed slows down, so that O2With include H2Two gas fusions of acid gas of S mix well, carry out incomplete reaction, obtain
SO2And H2O, reaction efficiency are higher；By the gas of high fever reaction by level-one cooling device 4 it is cooling after enter second level tank 5, the
Under the rotation of two rotation axis 510, filter plate 520 is driven to rotate so that catalyst therein with gas large area is comprehensive connects
Touching is sufficiently reacted, is continued SO2And H2S reacts to obtain S and H2O, that is, obtain liquid sulfur；By molten sulfur in preliminary recyclable device
Recovery pond 14 is come together in, the molten sulfur in recovery pond 14 is pumped into molten sulfur pipe 16 by first pump housing 15, then is sprayed by injector 9
The first part 71 of directive kick plate, the first part 71 of kick plate can protect the abrasion of 12 bottom of the first degassing pond, due to
71 sharp downward movement of first part, the then fast upward motion of second part 72, mesh of the second part 72 having a size of 0.5-1cm
Structure can quickly stir the molten sulfur for being deposited on bottom, realize the molten sulfur of bottom and deaerate again, realize an injector 9
Injection reaches dual degasifying effect, wherein and the temperature in the pond that deaerates is 132 DEG C~138 DEG C by first heater control, by
Second partition 10 is pushed to move to the direction in the second degassing pond 13 in the pressure for the molten sulfur for deaerating and being constantly pumped into, wherein one
Part H2The air of S and purging enters the second degassing pond 13 by first through hole 101, then enters recovery pond by the second through-hole
14, the H for being discharged molten sulfur after spray treatment by evacuation 612The air of S and purging is pumped to tail gas burning furnace, and first is logical
The setting of hole 101 and the second through-hole and evacuation 61 can reduce H in processing equipment again2The content of S prevents explosion from endangering
Danger.The molten sulfur that can suck in the first degassing pond 12 of 9 suction inlet of injector is sprayed simultaneously, when second partition 10 and first every
When plate 11 is bonded, since second partition 10 is identical with 11 central structure of first partition, the first filter 113 and third partition are all had
114, third partition 114 can be smoked simultaneously, and molten sulfur will quickly pour recovery pond 14 from the first filter 113, due to first partition
The first filter 113 in 11 and the first filter 113 in second partition 10 are interspersed, and accelerate turbulent extent, further
Molten sulfur is set to realize degassing, molten sulfur residence time in degassing pond is 6 ± 1 hours, discharges molten sulfur by evacuation 61
H2The air paper extraction tail gas burning furnace of S and purging, the H in final recovery pond 142S content < 10ppmw.
Although the embodiments of the present invention have been disclosed as above, but its is not only in the description and the implementation listed
With it can be fully applied to various fields suitable for the present invention, for those skilled in the art, can be easily
Realize other modification, therefore without departing from the general concept defined in the claims and the equivalent scope, the present invention is simultaneously unlimited
In specific details and legend shown and described herein.
Claims (6)
1. a kind of molten sulfur recyclable device characterized by comprising
Preliminary reclaimer, specifically includes:
Level-one tank, for horizontal positioned cylindrical-shaped structure, one end top, lower part is corresponding opens up two air inlets；Institute
It states and is horizontally arranged two surfaces parallel to each other in level-one tank and uniformly opens up the filter plates of multiple through-holes, two filter plates are by the level-one
Upper space, middle space and down space are divided into inside tank, upper space is connected to superposed air inlet；Down space and under being located at
The air inlet in portion is connected to；Level-one tank end opens up a gas outlet, is located in middle space；Level can turn in the level-one tank
Moving frame sets the first rotation axis, and the cylinder that surface uniformly opens up multiple through-holes, the cylinder are laterally arranged in first rotation axis
Side wall connect paddle made of multiple flexible materials outward；Igniter is set in the level-one tank；First rotation
Axis realizes rotation under the drive of external motor；
Level-one cooling device, inlet end are connected to the gas outlet of level-one tank；
Second level tank, for horizontal positioned cylindrical-shaped structure, interior level rotatably sets up the second rotation axis, second rotation axis
Two filter plates being set parallel to each other are fixed, place catalyst between filter plate；Second level tank one end top, lower part difference
It is corresponding to open up two air inlets, and a gas outlet is arranged in end；The outlet side of one of air inlet and level-one cooling device
Connection；Second rotation axis realizes rotation under the drive of external motor；
Second level cooling device, inlet end are connected to the gas outlet of second level tank；
Further include processing equipment again, specifically include degassing pond and recovery pond, passes through the between degassing pond and the recovery pond
One partition separates, the first partition fixed setting；
Be provided in the degassing pond second partition with by the degassing pond be divided into the first degassing pond and second degassing pond, it is described
The two sides of second partition have the sliding block of convex shape, and the degassing pond has along its length to match with the slider shape
Sliding slot, one end of the sliding slot extends to first partition, and the other end of the sliding slot extends to the degassing pond length direction
Middle line on；The middle part of the second partition has recess, and the two sides of the recess are provided with the first filter, two the first filters
Between be inserted with third partition, the third partition is bonded with the two sides of the recess；The aperture of first filter be 3~
3.5cm；Third partition upper end has first through hole, and the first through hole is close to the top of processing equipment again；It is described
First partition central structure is identical as the second partition central structure, and in the first filter and second partition in first partition
The first filter be interspersed；
Molten sulfur pipe, one end protrude into the bottom end of the recovery pond, and the other end protrudes into the upper end in first degassing pond, the molten sulfur
First pump housing is provided on pipe, the other end branch of the molten sulfur pipe is in four branch pipes, one injector of each branch pipe connection, and two
A injector be located at the first degassing pond far from the two corners of second partition at, remaining two injectors are located at second partition distance
When recovery pond is farthest with first degassing pond formed two corners at, the ejiction opening of injector be set as be with the angle of perpendicular
15 °~20 °, the ejiction opening of the injector is located at the 2/3 of the first degassing pond height；
Four groups of recoiling devices are distributed in the lower section of injector, and the recoiling device includes: pedestal, and it is de- to be fixed on described first
The bottom in gas pond is provided with a shaft on the pedestal, and the axis of the shaft is parallel to the horizontal plane；Kick plate, upper surface
For rectangle, the kick plate is arranged on the shaft and can rotate around shaft, and the kick plate is divided by the shaft
First part and second part, the first part is opposite with the ejiction opening of the injector, and be plate structure, described second
Part is reticular structure, and the mesh size of the second part is 0.5-1cm, the weight of the first part and the second part
It measures equal；
Wherein, the recovery pond is connect with the outlet side of the second level cooling device.
2. molten sulfur recyclable device as described in claim 1, which is characterized in that the level-one tank, second level tank inner wall be coated with
High-temperature resistant coating layer.
3. molten sulfur recyclable device as described in claim 1, which is characterized in that the igniter is igniter.
4. molten sulfur recyclable device as described in claim 1, which is characterized in that it is convex that multiple arc-shapeds are arranged in the stirring leaf surface
It rises.
5. liquid sulfur degassing device as described in claim 1, which is characterized in that first degassing is provided with the first heating in pond
Device is provided with secondary heating mechanism in the recovery pond.
6. liquid sulfur degassing device as described in claim 1, which is characterized in that be provided with evacuation above the recovery pond, institute
The pipeline for stating evacuation penetrates into the recovery pond；The pipeline of conveying air is provided in first degassing pond.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710949866.0A CN107804828B (en) | 2017-09-30 | 2017-09-30 | Molten sulfur recyclable device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710949866.0A CN107804828B (en) | 2017-09-30 | 2017-09-30 | Molten sulfur recyclable device |
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| Publication Number | Publication Date |
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| CN107804828A CN107804828A (en) | 2018-03-16 |
| CN107804828B true CN107804828B (en) | 2019-08-27 |
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2017
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| CN1196031A (en) * | 1995-09-15 | 1998-10-14 | 斯托克工程师和承包人公司 | Method and apparatus for degassing sulfur |
| CN201149251Y (en) * | 2007-12-21 | 2008-11-12 | 马志方 | Vortex type energy saving burner |
| CN201335380Y (en) * | 2008-12-16 | 2009-10-28 | 山东三维石化工程股份有限公司 | Sulfur production combustion furnace gas mixer |
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| Publication number | Publication date |
|---|---|
| CN107804828A (en) | 2018-03-16 |
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