CN108101003A - Wet method drusen formation system and method - Google Patents
Wet method drusen formation system and method Download PDFInfo
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- CN108101003A CN108101003A CN201611063922.2A CN201611063922A CN108101003A CN 108101003 A CN108101003 A CN 108101003A CN 201611063922 A CN201611063922 A CN 201611063922A CN 108101003 A CN108101003 A CN 108101003A
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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
- C01B17/0237—Converting into particles, e.g. by granulation, milling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
- B01J2/02—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic by dividing the liquid material into drops, e.g. by spraying, and solidifying the drops
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The invention discloses a kind of wet method drusen formation system and method, the system comprises：Molding machine, molten sulfur form particle in molding machine, and molding machine includes shaping tank and shaping tank air-introduced machine, and shaping tank top is provided with the overflow port equipped with filter, and overflow water is through overflow port overflow to circulating water treatment device；Screening plant is dehydrated, dehydration screening plant includes at least two-stage dewatering screen；Drying unit, for being dried to obtain finished product drusen to conforming particle；It precipitates and melts device again, precipitated for the mixture to fine particle and water and melt again；Circulating water treatment device, circulating water treatment device include：Centrifugal separator and hot water storgae, carry out separation of solid and liquid after water overflow to the hot water storgae of settling tank into centrifugal separator, and the water purification that separation of solid and liquid obtains returns to molding machine.The problem of blocking, heat transfer effect present invention efficiently solves sulphur fine powder are poor, the recycled process water sulphur is exceeded, ensure that the normal operation of system.
Description
Technical field
The present invention relates to grain forming field, more particularly, to a kind of wet method drusen formation system and method.
Background technology
Existing drusen shaping domestic at present mostly belongs to dry method sulfur prilling, sulphur using sulphur steel belt molding method
The treating capacity of steel belt molding method single set equipment is not more than 5 tons/h.Single set sulfur band moulding machine treating capacity is relatively low, equipment failure rate
Higher, major spare part steel band short life and expensive, big, the broken generation dust of product quality random device state fluctuation, production
Product are not suitable for storage of bulk materials and handling.Complicated, operation sequence operation is cumbersome, and plant maintenance amount is higher, and powder dust is greatly, no
It is environmentally friendly, dangerous.
In recent years it is introduced from abroad wet method drusen moulding process, there are many defects in operational process：1) spinning liquid point
It is bad from device separating effect, cause residual sulfur fine powder in process water；2) cooling tower filler is blocked by fine powder sulphur, and heat exchange is caused to imitate
Fruit is poor, and technique coolant-temperature gage drop is not got off；3) technique coolant-temperature gage is high, and molding effect is poor, moisture content is high, particle is broken；4) it is dehydrated
Screen perforation easily blocks, costs and poor dehydration results, and product sulphur moisture content is exceeded；5) fusion pot processing capacity is small again, can not meet life
Production requirement；6) a large amount of Cosans are deposited in sink, the suction inlet of pump is not disposed on minimum point.
Therefore, it is necessary to research and develop a kind of wet method drusen formation system that can more efficiently, environmentally friendly and method.
The information for being disclosed in background of invention part is merely intended to deepen the reason of the general background technology to the present invention
Solution, and be not construed as recognizing or imply known to those skilled in the art existing of the information structure in any form
Technology.
The content of the invention
The present invention proposes a kind of wet method drusen formation system and method, and it is thin that the system efficiently solves sulphur
The blocking of powder, the problem of heat transfer effect is poor, the recycled process water sulphur is exceeded, it ensure that the normal operation of system.
According to an aspect of the invention, it is proposed that a kind of wet method drusen formation system, the system comprises：Shaping dress
It puts, molten sulfur forms particle in the molding machine, and the molding machine includes shaping tank and shaping tank air-introduced machine, the shaping
Tank top is provided with the overflow port equipped with filter, and overflow water is through the overflow port overflow to circulating water treatment device；Dewatering screen
Separating device, the dehydration screening plant include at least two-stage dewatering screen, for being conforming particle and fine powder by the particle screening
The mixture of particle and water；Drying unit, for being dried to obtain finished product drusen to the conforming particle；Precipitation and
Melt device again, precipitated for the mixture to the fine particle and water and melt again, the precipitation and melt device again and include
Settling tank, the first auger conveyor melt tank and melt tank air-introduced machine again again；Circulating water treatment device, the circulating water treatment device
Including：Centrifugal separator and hot water storgae carry out separation of solid and liquid after water overflow to the hot water storgae of settling tank into centrifugal separator, Gu
The water purification that liquid separation obtains returns to the molding machine.
According to another aspect of the invention, it is proposed that a kind of wet method drusen forming method, the described method includes following
Step：(1) molten sulfur forms particle in the molding machine, and overflow water enters circulating water treatment device after filtering；(2) to institute
It states particle and carries out dehydration screening, obtain conforming particle and the mixture of fine particle and water；(3) to the fine particle and water
Mixture is precipitated and melted again, then melts the molten sulfur of acquisition as raw material；(4) overflow water that precipitation obtains carries out separation of solid and liquid,
The water purification of acquisition returns to the molding machine；(5) conforming particle is dried by drying unit, obtains finished product sulphur
Particle.
The advantage of the invention is that：
(1) present invention is used as the first separation of process water by settling tank, reduces the waste of water resource, in the same of environmental protection
When reduce process costs.
(2) present invention carries out secondary separation by centrifugal separator to process water, more efficiently, in high quality to process water
It is separated, it is ensured that process water reaches the standard recycled.
(3) overflow water is filtered, is efficiently solved by the filter screen being arranged at shaping tank overflow port by the present invention
Blocking caused by sulphur fine powder, in normal conditions, overflow water can be flowed directly into clean water tank.
The device of the invention have the advantages that other characteristics and, these characteristics and advantage from the attached drawing being incorporated herein and with
It will be apparent in specific embodiment afterwards or will be in the attached drawing and subsequent specific embodiment being incorporated herein
Middle to be stated in detail, these the drawings and specific embodiments are provided commonly for explaining the certain principles of the present invention.
Description of the drawings
Exemplary embodiment of the invention is described in more detail in conjunction with the accompanying drawings, it is of the invention above-mentioned and its
Its purpose, feature and advantage will be apparent, wherein, in exemplary embodiment of the invention, identical reference number
Typically represent same parts.
Fig. 1 shows wet method drusen formation system schematic diagram according to embodiment of the present invention.
Reference sign：
1st, it is molded tank；2nd, level-one dewatering screen；3rd, two level dewatering screen；4th, air blower；5th, steam heater；6th, tank air inducing is melted again
Machine；7th, tank is melted again；8th, the first auger conveyor；9th, settling tank；10th, hot water storgae；11st, hot water transfer pump；12nd, centrifugal separator；
13rd, the second auger conveyor；14th, cold rinse bank；15th, cold feed pumps；16th, cooler；17th, clean water tank；18th, water purification transfer pump；
19th, hot water storgae hand valve；20th, cold rinse bank hand valve；21st, filter；22nd, it is molded tank air-introduced machine.
Specific embodiment
The present invention is more fully described below with reference to accompanying drawings.Although the side of being preferably implemented of the present invention is shown in attached drawing
Formula, however, it is to be appreciated that may be realized in various forms the present invention without should be limited by embodiments set forth herein.Phase
Instead, these embodiments are provided so that the present invention is more thorough and complete, and can be by the scope of the present invention intactly
It is communicated to those skilled in the art.
The present invention provides a kind of wet method drusen formation system, as shown in Figure 1, the system comprises：
Molding machine, molten sulfur form particle in the molding machine, and the molding machine includes shaping tank 1 and shaping tank
Air-introduced machine 22, shaping tank 1 top are provided with the overflow port equipped with filter 21, and overflow water is through the overflow port overflow to following
Ring water treatment facilities；
Screening plant is dehydrated, the dehydration screening plant includes at least two-stage dewatering screen, for being by the particle screening
The mixture of conforming particle and fine particle and water；
Drying unit, for being dried to obtain finished product drusen to the conforming particle；
It precipitates and melts device again, precipitated for the mixture to the fine particle and water and melt again, the precipitation
And melt again device include settling tank 9, the first auger conveyor 8, melt tank 7 again and melt tank air-introduced machine 6 again；
Circulating water treatment device, the circulating water treatment device include：Centrifugal separator 12 and hot water storgae 10, settling tank 9
Water overflow to hot water storgae 10 after into centrifugal separator 12 carry out separation of solid and liquid, separation of solid and liquid obtain water purification return it is described into
Type device.
The present invention is based on precipitation and melt again device and circulating water treatment device more efficiently, environmental protection and steadily ensure wet
The operation of method drusen formation system.
Preferably, the overflow port of tank 1 is molded respectively by with valvular pipeline and the hot water storgae 10 and the water purification
Slot 14 connects, and the valve can be hand valve.Specifically, it is provided on the pipeline that the overflow port is connected with the hot water storgae 10
Hot water storgae hand valve 19 is provided with cold rinse bank hand valve 20 on the pipeline that the overflow port is connected with the clean water tank 14.
Preferably, the drying unit includes：Air blower 4 and steam heater 5, the heat that the steam heater 5 generates
Gas is transported to the dehydration screening plant bottom through air blower 4, and the conforming particle is dried.
In accordance with the present invention it is preferred that the dehydration screening plant includes：Level-one dewatering screen 2 and two level dewatering screen 3.Molten sulfur
Drusen is formed in shaping tank 1, drusen passes through vibration, dehydration and the screening of level-one dewatering screen 2 and two level dewatering screen 3
After operation, the drusen of size qualification, which is fallen on, carries out packing outward transport on conveyer belt.
Preferably, the circulating water treatment device further includes：Clean water tank 14, cooler 16 and cold rinse bank 17, the solid-liquid
The water purification that separation obtains is then fresh with supplementing into the cold rinse bank 17 after the cooling of cooler 16 into the clean water tank 14
The molding machine is returned after water mixing.
Preferably, the circulating water treatment device further includes：Hot water transfer pump 11, water purification transfer pump 15 and cold feed pump
18.It is respectively used to the water supply of hot water storgae 10, clean water tank 14 and cold rinse bank 17.
Preferably, the wet method drusen formation system includes：Second auger conveyor 13, for by centrifugal separator
12 solid particles isolated are sent to melting tank 7 again.
The present invention provides the wet method drusen forming method carried out using above-mentioned wet method drusen formation system, described
Method comprises the following steps：
(1) molten sulfur forms particle in the molding machine, and overflow water enters circulating water treatment device after filtering；
(2) dehydration screening is carried out to the particle, obtains conforming particle and the mixture of fine particle and water；
(3) mixture of the fine particle and water is precipitated and is melted again, then melt the molten sulfur of acquisition as raw material；
(4) overflow water that precipitation obtains carries out separation of solid and liquid, and the water purification of acquisition returns to the molding machine；
(5) conforming particle is dried by drying unit, obtains finished product drusen.
According to the present invention, under nominal situation, the overflow water of the shaping tank 1 flows directly into clean water tank 14, shuts down and carries out water
During cycling, the overflow water flows into hot water storgae 10, and separation of solid and liquid is carried out subsequently into centrifugal separator 12.
According to the present invention, the precipitation and melt preferably include again：It is described heavy that the mixture of the fine particle and water passes through
Shallow lake tank 9 is transported to after precipitating through first auger conveyor 8 described to be melted tank 7 and is melted acquisition molten sulfur again again.
According to the present invention, it is molded tank 1 and melts the exhaust gas generated in tank 7 again respectively by being molded tank air-introduced machine 22 and melting tank again
Air-introduced machine 6 carries out high point emptying.
A kind of specific embodiment according to the present invention, molten sulfur form drusen in shaping tank 1, and drusen passes through one
After grade dewatering screen 2 and the vibration of two level dewatering screen 3, dehydration and screening operation, the drusen of size qualification is fallen on conveyer belt
Carry out packing outward transport.The exhaust gas generated in shaping tank 1 carries out high point emptying by being molded tank air-introduced machine 22.Through steam heater 5
The bottom that air after preheating is passed directly into two level dewatering screen 3 through air blower 4 is dried by finished product sulphur.Level-one dewatering screen 2
The a large amount of water and little particle sulphur isolated with two level dewatering screen 3 form fine particle and the mixture of water falls directly into settling tank
9 are precipitated.The small drusen of precipitation send to melting again after tank 7 is melted through the first auger conveyor 8 and sends back in settling tank 9
Fluid cell is reused as raw material, then is melted the exhaust gas generated in tank 7 and carried out high point emptying by melting tank air-introduced machine 6 again.
In nominal situation, overflow water is flowed after the filter 21 for being installed on overflow port by cold rinse bank hand valve 20
Enter clean water tank 14, after a shutdown, water cycle when, overflow water by hot water storgae hand valve 19 flow into hot water storgae, enter back into centrifugation
Machine 12 carries out separation of solid and liquid, removes the floating material on the water surface.The water overflow of settling tank 9 is to hot water storgae 10, the water in hot water storgae 10
Temperature is higher and contains the sulphur of a small amount of fine particle.Medium in hot water storgae 10 is sent through hot water transfer pump 11 to centrifugal separator
12 carry out separation of solid and liquid.The solid fines drusen that centrifugal separator 12 is isolated is sent through the second auger conveyor 13 to melting again
Tank 7 is sent fluid cell back to after being melted and is reused as raw material.The water purification that centrifugal separator 12 is isolated flows directly into water purification
Slot 14.The higher water purification of temperature in clean water tank 14 is cooled down through water purification transfer pump 15 and pump to cooler 16.Cooler 16
Water after cooling flows directly into cold rinse bank 17.The cooling water of cold rinse bank 17 pumps after being mixed with supplement fresh water through cold feed pump 18
It is reused to shaping tank 1.
The present invention is further described by following embodiment.
Embodiment 1
Wet method drusen shaping, the wet method sulphur are carried out using wet method drusen formation system as shown in Figure 1
Grain forming system includes：Shaping tank 1, level-one dewatering screen 2, air blower 4, steam heater 5, melt tank and draw two level dewatering screen 3 again
Wind turbine 6 melts tank 7, the first auger conveyor 8, settling tank 9, hot water storgae 10, hot water transfer pump 11, centrifugal separator 12, second again
Auger conveyor 13, cold rinse bank 14, cold feed pump 15, cooler 16, clean water tank 17, water purification transfer pump 18, hot water storgae hand valve
19th, cold rinse bank hand valve 20, filter 21, shaping tank air-introduced machine 22.
Specifically, the system comprises：
Molding machine, molten sulfur form particle in the molding machine, and the molding machine includes shaping tank 1 and shaping tank
Air-introduced machine 22,1 top of the shaping tank are provided with the overflow port equipped with filter 21；The overflow port of shaping tank 1 passes through band respectively
There is the pipeline of hot water storgae hand valve 19 and cold rinse bank hand valve 20 to be connected with the hot water storgae 10 and the clean water tank 14；
Screening plant is dehydrated, the dehydration screening plant includes level-one dewatering screen 2 and two level dewatering screen 3, for by described in
Particle screening is conforming particle and the mixture of fine particle and water；
Drying unit, the drying unit include：Air blower 4 and steam heater 5, what the steam heater 5 generated
Hot gas is transported to the dehydration screening plant bottom through air blower 4, and the conforming particle is dried；
Precipitation and melt device again, the precipitation and melt device again and include settling tank 9, the first auger conveyor 8, melt tank 7 again
And melt tank air-introduced machine 6 again；
Circulating water treatment device, the circulating water treatment device include：Centrifugal separator 12, hot water storgae 10, clean water tank 14,
Cooler 16, cold rinse bank 17, hot water transfer pump 11, water purification transfer pump 15 and cold feed pump 18, the water overflow of settling tank 9 to heat
Separation of solid and liquid is carried out into centrifugal separator 12 after sink 10, the water purification that separation of solid and liquid obtains enters the clean water tank 14, then
The molding machine is returned after being mixed after the cooling of cooler 16 into the cold rinse bank 17 with supplement fresh water；
Second auger conveyor 13, the solid particle for centrifugal separator 12 to be isolated are sent to melting tank 7 again.
The molding method of wet method drusen includes：Molten sulfur forms drusen in shaping tank 1.Drusen passes through
After crossing the vibration, dehydration and screening operation of level-one dewatering screen 2 and two level dewatering screen 3, the drusen of size qualification falls on transmission
It takes and carries out packing outward transport.Air after the preheating of steam heater 5 is passed directly into the bottom of two level dewatering screen 3 through air blower 4
Finished product drusen is dried.The a large amount of water and little particle sulphur that level-one dewatering screen 2 and two level dewatering screen 3 are isolated are direct
Settling tank 9 is fallen into be precipitated.The small drusen of precipitation send to melting tank 7 again through the first auger conveyor 8 and carries out in settling tank 9
Fluid cell is sent after thawing back to reuse as raw material.It is molded tank 1 and melts the exhaust gas generated in tank 7 again and drawn respectively by being molded tank
Wind turbine 22 and melt again tank air-introduced machine 6 carry out high point emptying.
Under the water nominal situation of overflow clean water tank 14 is flowed into through clean water tank hand valve 20.After shutdown, water cycle when, overflow water warp
Hot water storgae hand valve 19 flows into hot water storgae 10, and the floating material on the water surface is separated using centrifugal separator 12.The water of settling tank 9
Overflow is to hot water storgae 10, and the coolant-temperature gage in hot water storgae 10 is higher and sulphur containing a small amount of fine particle.Jie in hot water storgae 10
Matter is sent to centrifugal separator 12 through hot water transfer pump 11 and carries out separation of solid and liquid.The solid fines sulphur that centrifugal separator 12 is isolated
Particle send to melting again through the second auger conveyor 13 and sends fluid cell back to after tank 7 is melted and reused as raw material.Centrifugation point
12 water purifications isolated of disembarking flow directly into clean water tank 14.The higher water purification of temperature in clean water tank 14 is pumped through water purification transfer pump 15
It is cooled down to cooler 16.16 water after cooling of cooler flows directly into cold rinse bank 17.The cooling water and supplement of cold rinse bank 17
It is reused after fresh water mixing through 18 pump of cold feed pump to shaping tank 1.
It is in conclusion more efficient, environmentally friendly and stable the present invention is based on precipitating and melting device and circulating water treatment device again
Ground ensures the operation of wet method drusen formation system.
It will be understood by those skilled in the art that above to the purpose of the descriptions of embodiments of the present invention only for illustratively
Illustrate the advantageous effect of embodiments of the present invention, be not intended to embodiments of the present invention being limited to given any show
Example.
Claims (10)
1. a kind of wet method drusen formation system, which is characterized in that the system comprises：
Molding machine, molten sulfur form particle in the molding machine, and the molding machine includes shaping tank (1) and shaping tank draws
Wind turbine (22), described shaping tank (1) top are provided with the overflow port equipped with filter (21), and overflow water is through the overflow port overflow
To circulating water treatment device；
Screening plant is dehydrated, the dehydration screening plant includes at least two-stage dewatering screen, for being qualification by the particle screening
The mixture of particle and fine particle and water；
Drying unit, for being dried to obtain finished product drusen to the conforming particle；
Precipitation and melt device again, precipitated for the mixture to the fine particle and water and melt again, it is described precipitation and again
Melting device includes settling tank (9), the first auger conveyor (8), melts tank (7) again and melt tank air-introduced machine (6) again；
Circulating water treatment device, the circulating water treatment device include：Centrifugal separator (12) and hot water storgae (10), settling tank
(9) water overflow carries out separation of solid and liquid into centrifugal separator (12) afterwards to hot water storgae (10), and the water purification that separation of solid and liquid obtains is returned
Return the molding machine.
2. wet method drusen formation system according to claim 1, wherein, the overflow port of shaping tank (1) passes through respectively
It is connected with valvular pipeline with the hot water storgae (10) and the clean water tank (14).
3. wet method drusen formation system according to claim 1, wherein, the drying unit includes：Air blower (4)
And steam heater (5), the hot gas that the steam heater (5) generates are transported to the dehydration screening plant through air blower (4)
The conforming particle is dried in bottom.
4. wet method drusen formation system according to claim 1, wherein, the circulating water treatment device further includes：
Clean water tank (14), cooler (16) and cold rinse bank (17), the water purification that the separation of solid and liquid obtains enter the clean water tank (14), so
The molding machine is returned after being mixed after being cooled down by cooler (16) into the cold rinse bank (17) with supplement fresh water.
5. wet method drusen formation system according to claim 1, wherein, the circulating water treatment device further includes：
Hot water transfer pump (11), water purification transfer pump (15) and cold feed pump (18).
6. wet method drusen formation system according to claim 1, wherein, the system also includes the second helical feeds
Device (13), the solid particle for centrifugal separator (12) to be isolated are sent to melting tank (7) again.
7. the wet method sulphur that the wet method drusen formation system in a kind of 1-6 using claim described in any one carries out
Grain forming method, which is characterized in that the described method comprises the following steps：
(1) molten sulfur forms particle in the molding machine, and overflow water enters circulating water treatment device after filtering；
(2) dehydration screening is carried out to the particle, obtains conforming particle and the mixture of fine particle and water；
(3) mixture of the fine particle and water is precipitated and is melted again, then melt the molten sulfur of acquisition as raw material；
(4) overflow water that precipitation obtains carries out separation of solid and liquid, and the water purification of acquisition returns to the molding machine；
(5) conforming particle is dried by drying unit, obtains finished product drusen.
8. wet method drusen forming method according to claim 7, wherein, under nominal situation, the shaping tank (1)
Overflow water flows directly into clean water tank (14), shuts down when carrying out cycling of water, and the overflow water flows into hot water storgae (10), subsequently into from
Centrifugal separator (12) carries out separation of solid and liquid.
9. wet method drusen forming method according to claim 7, wherein, the precipitation and melt again including：It is described thin
The mixture of powder particles and water precipitated by the settling tank (9) after through first auger conveyor (8) be transported to it is described again
Melt tank (7) and melted acquisition molten sulfur again.
10. wet method drusen forming method according to claim 7, wherein, it is molded tank (1) and melts production in tank (7) again
Raw exhaust gas carries out high point emptying by being molded tank air-introduced machine (22) and melting tank air-introduced machine (6) again respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611063922.2A CN108101003A (en) | 2016-11-25 | 2016-11-25 | Wet method drusen formation system and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611063922.2A CN108101003A (en) | 2016-11-25 | 2016-11-25 | Wet method drusen formation system and method |
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| CN201611063922.2A Pending CN108101003A (en) | 2016-11-25 | 2016-11-25 | Wet method drusen formation system and method |
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| CN109126626A (en) * | 2018-10-26 | 2019-01-04 | 上海瑞宝造粒机有限公司 | A kind of structurally reasonable type sulphur underwater pelletizing systems |
| CN110745785A (en) * | 2019-11-21 | 2020-02-04 | 余智敏 | Wet-process sulfur forming granulation production system and production process |
| CN114506821A (en) * | 2022-01-28 | 2022-05-17 | 洛阳涧光特种装备股份有限公司 | Sulfur wet forming device and forming process |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109126626A (en) * | 2018-10-26 | 2019-01-04 | 上海瑞宝造粒机有限公司 | A kind of structurally reasonable type sulphur underwater pelletizing systems |
| CN110745785A (en) * | 2019-11-21 | 2020-02-04 | 余智敏 | Wet-process sulfur forming granulation production system and production process |
| CN110745785B (en) * | 2019-11-21 | 2023-03-14 | 余智敏 | Wet-process sulfur forming granulation production system and production process |
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| CN114506821B (en) * | 2022-01-28 | 2023-11-03 | 洛阳涧光特种装备股份有限公司 | Sulfur wet forming device and forming process |
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Effective date of registration: 20190729 Address after: 100728 Beijing, Chaoyangmen, North Street, No. 22, No. Applicant after: Sinopec Corp. Applicant after: Sinopec Engineering Incorporation Applicant after: SINOPEC Engineering (Group) Co., Ltd. Address before: Anhui Beili Anyuan 21 No. 100101 Beijing Chaoyang District City Applicant before: Sinopec Engineering Incorporation Applicant before: SINOPEC Engineering (Group) Co., Ltd. |
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