CN206666132U - A kind of equipment that phosphorus ore drying is carried out using phosphorus furnace exhaust gas - Google Patents
A kind of equipment that phosphorus ore drying is carried out using phosphorus furnace exhaust gas Download PDFInfo
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- CN206666132U CN206666132U CN201720357660.4U CN201720357660U CN206666132U CN 206666132 U CN206666132 U CN 206666132U CN 201720357660 U CN201720357660 U CN 201720357660U CN 206666132 U CN206666132 U CN 206666132U
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- Prior art keywords
- tail gas
- air
- hot
- exhaust gas
- furnace exhaust
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- 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.)
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- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 title claims abstract description 39
- 229910052698 phosphorus Inorganic materials 0.000 title claims abstract description 37
- 239000011574 phosphorus Substances 0.000 title claims abstract description 37
- 238000001035 drying Methods 0.000 title claims abstract description 22
- 239000007789 gas Substances 0.000 claims abstract description 89
- 230000007246 mechanism Effects 0.000 claims abstract description 40
- 239000002367 phosphate rock Substances 0.000 claims abstract description 37
- 239000000843 powder Substances 0.000 claims abstract description 36
- 239000000446 fuel Substances 0.000 claims abstract description 10
- 239000000126 substance Substances 0.000 claims abstract description 6
- 238000007599 discharging Methods 0.000 claims abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 47
- 238000000926 separation method Methods 0.000 claims description 17
- 229910052760 oxygen Inorganic materials 0.000 claims description 9
- 239000001301 oxygen Substances 0.000 claims description 9
- 230000000694 effects Effects 0.000 claims description 7
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 6
- 238000005406 washing Methods 0.000 claims description 6
- 238000002485 combustion reaction Methods 0.000 claims description 5
- 239000007921 spray Substances 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims description 3
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 3
- 239000003344 environmental pollutant Substances 0.000 abstract description 3
- 231100000719 pollutant Toxicity 0.000 abstract description 3
- 239000002912 waste gas Substances 0.000 abstract description 3
- 235000010269 sulphur dioxide Nutrition 0.000 abstract description 2
- 239000004291 sulphur dioxide Substances 0.000 abstract description 2
- 239000003250 coal slurry Substances 0.000 description 6
- 239000000295 fuel oil Substances 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000002686 phosphate fertilizer Substances 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 239000003337 fertilizer Substances 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 241001269238 Data Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical compound [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
Landscapes
- Drying Of Solid Materials (AREA)
Abstract
The utility model provides a kind of equipment that phosphorus ore drying is carried out using phosphorus furnace exhaust gas, belongs to sulphur dioxide of phosphor chemical industry discarded object reutilization technology field, including rock phosphate in powder storage bin to be dried（1）, conveying pipeline（2）, hot-blast stove（3）, roller dryer（4）, discharging opening（5）, dedusting mechanism（6）, in addition to phosphorus furnace exhaust gas pretreatment unit, phosphorus furnace exhaust gas pretreatment unit and hot-blast stove（3）And roller dryer（4）It is connected, is hot-blast stove（3）There is provided fuel, hot blast after burning is from being arranged on roller dryer（4）The hot wind inlet input of end, the equipment dries required hot-blast stove heat to be provided using the burning of phosphorus furnace exhaust gas, so as to ensure the high efficiency of rock phosphate in powder drying course, most importantly on the basis of the discharge of newly-increased waste gas is prevented, the utilization rate of phosphorus furnace exhaust gas is improved, reduces the pollutant load in emission.
Description
Technical field
It the utility model is related to sulphur dioxide of phosphor chemical industry discarded object reutilization technology field, and in particular to one kind utilizes yellow phosphoric tail gas
Carry out society's equipment of rock phosphate in powder drying.
Background technology
The main raw material of phosphorous chemical industry enterprise is exactly rock phosphate in powder, and because the quantity of rock phosphate in powder is more, floor space is big, therefore
It is generally all that rock phosphate in powder is more moist, and its moisture is not met using by the way of open stacking, often leading to enter before stove processing
Enter stove requirement, this just needs its being dried entering stokehold.
The drying machine of the drying generally use drum-type of rock phosphate in powder, roller drying machine are a kind of direct contacts continuously run
Drying machine.It is made up of the cylindrical housings slowly rotated, and housing tilts, and has smaller angle with level, in favor of wet phosphorus
The conveying of ore, rock phosphate in powder enter revolving drum by high-end, and dried product is discharged by low side.
Because the species of phosphorus ore, the place of production, water content are different, it is also different to thus be accordingly used in dry gas temperature.But generally enter
Enter drying oven gas temperature be 550-750 DEG C, flue gas exit temperature not cause moisture content to be condensed out in stove as standard,
General to be not less than 100 DEG C, the too high heat that flue gas can be caused to be taken away of temperature is not utilized sufficiently and wastes fuel.
Existing rock phosphate in powder roller dryer, its thermal source are substantially all from hot-blast stove, generally use solid-state coal combustion
Heat supply, but burn with heating efficiency than relatively low.Therefore, in industry, it is always for the optimum choice of hot-blast stove fuel
The heat subject of research.Such as：《Coal-water-slurry combustion system is applied to air swept mill drying phosphate rock》,《Phosphate fertilizer and compound fertilizer》, Li Guobao；
Water-coal-slurry is a kind of novel clean fuel phosphate fertilizer plants of Hunan Yongli Chemical Co., Ltd. with coal for replacing oil from March, 2001
Start, successively complete the design of 4 hot-blast stove water-coal-slurry replacement for heavy, and to CWS system imperfection in application process
Part is improved, and the satisfactory of effect illustrates the technical process of CWS system and the type selecting of relevant device, and to whole
System using, safeguard, maintenance etc. produced problem and solve method be illustrated due to its practice with theoretic success, mesh
It is preceding constantly to expand water-coal-slurry application scale and scope in China；
And《Water-coal-slurry replaces heavy oil to be dried applied to phosphorus ore》,《Phosphate fertilizer and compound fertilizer》, 2001, Zhang Xiangyang, Tan Jiangbo is old
Nanmu, it is high in current heavy oil price, cause under the situation that oil burning plant production cost rises, inquire into and fuel is made instead of heavy oil with water-coal-slurry
Feasibility and production in make the associated technical parameters test datas of hot-blast stove fuel with water-coal-slurry and show:Inside hot-blast stove
After structure of modification and slurry pipeline reconfigure, drying effect substantially meets requirement.
The New-type fuel used in above-mentioned data is used for phosphorus ore drying heat supply, has the low advantage of efficiency high, cost, but still
It is right the deficiencies of easily producing unnecessary fume emission, causing environmental pollution to be present.
The content of the invention
To overcome the disadvantages mentioned above of prior art, the utility model offer is a kind of to carry out phosphorus ore drying using phosphorus furnace exhaust gas
Equipment, corollary equipment is used to dry required hot-blast stove heat to be provided using the burning of phosphorus furnace exhaust gas, so as to ensure that rock phosphate in powder dries
The high efficiency of dry process, most importantly on the basis of the discharge of newly-increased waste gas is prevented, improve the utilization rate of phosphorus furnace exhaust gas, drop
Pollutant load in low emission tail gas.
To achieve the above object, the utility model uses following technical scheme：One kind furnace exhaust gas progress phosphorus ore using phosphorus
Dry equipment, it is characterised in that including rock phosphate in powder storage bin 1 to be dried, conveying pipeline 2, hot-blast stove 3, roller dryer 4,
Discharging opening 5, dedusting mechanism 6.
Also include phosphorus furnace exhaust gas pretreatment unit, phosphorus furnace exhaust gas pretreatment unit and hot-blast stove 3 and the phase of roller dryer 4
Even, fuel is provided for hot-blast stove 3, the hot blast after burning inputs from the hot wind inlet for being arranged on the end of roller dryer 4.
The phosphorus furnace exhaust gas pretreatment unit includes tail gas recycle mechanism, tail gas clean-up mechanism, the combustion-supporting mechanism of tail gas.
The tail gas recycle mechanism includes air entraining pipe 7, tail gas water seal 8, bleed blower fan 9, pressure monitor 10, controller
11。
The tail gas water seal 8 is connected with air entraining pipe 7, and bleed blower fan 9 is arranged on inside the posterior segment of air entraining pipe 7, pressure prison
Device 10 to be surveyed to be arranged on inside the leading portion of air entraining pipe 7, the pressure monitor 10 and bleed blower fan 9 are connected with controller 11,
Wherein pressure monitor 10 is connected with the input of controller 11, and bleed blower fan 9 is connected with the output end of controller 11；By tail
The yellow phosphoric tail gas of air water envelope 8 conveys in the presence of bleed blower fan 9 along air entraining pipe 7, and measurement flows through tail to pressure monitor 10 in real time
The yellow phosphoric tail gas air pressure of air water envelope 8, and signal is transmitted to controller 11, controller 11 is compared the signal and preset standard pressure
It is more than standard value compared with, detected value, controller 11 instructs bleed blower fan 9 to increase air quantity, on the contrary then reduce air quantity, realizes dynamic control
Furnace pressure.
The tail gas clean-up mechanism includes steam-water separation mechanism and water washing mechanism.
The steam-water separation mechanism includes tail gas air inlet pipe 12, steam-water separation cylinder 13, tail gas escape pipe 14 and drainpipe
15, wherein, one end of tail gas air inlet pipe 12 is connected with the air entraining pipe 7 of tail gas recycle mechanism, and the other end is connected to steam-water separation cylinder
In 13, by the effect of steam-water separation cylinder 13, liquid substance is discharged by drainpipe 15, and gaseous material passes through tail gas escape pipe 14
Into vavuum pump 19.
The water washing mechanism includes water scrubber 16, and tower body is provided with air inlet and gas outlet, spray is provided with the top of tower body
First 17, tower body inside sets spoiler 18.
The combustion-supporting mechanism of tail gas includes ventilating fan 20, filter 21, oxygen-enriching device 22, air pump 23, gas-water separation dress
24, dehumidifying device 25, stable-pressure device 26, heater 27 are put, each part is sequentially connected, leads in exhaust combustion mechanism, enter afterwards
Gas blower fan 20 is pumped into air in oxygen-enriching device 22 by filter 21, and oxygen-enriched air is made in the presence of pressure differential；Utilize
Oxygen-enriched air is delivered to gas and water separator 24, dehumidifying device 25 by air pump 23, into stable-pressure device 26, finally by heater 27
Preheating, it is sent into and is burnt by rich-oxygen nozzle.
During rock phosphate in powder is dried：Wet rock phosphate in powder is transported to rock phosphate in powder storage bin 1 by conveying device, then passes through conveying
Pipe 2 enters roller dryer 4, and rock phosphate in powder adds from eminence, and hot-air enters by lower, with rock phosphate in powder into counter current contacting, with
The rotation rock phosphate in powder for roller dryer 4 is run to one end bottom of compared with by Action of Gravity Field.Wet rock phosphate in powder is in cylinder to reach
During dynamic, the heating of hot-air is directly or indirectly obtained, has enable wet rock phosphate in powder drying, then in discharge end through belt feeder
Or conveying worm is sent out, flight is housed on the inwall of roller dryer 4, its effect is that rock phosphate in powder is taken up to come and spread
Under, make contact surface increase of the rock phosphate in powder with air-flow, to improve rate of drying and promote rock phosphate in powder to advance.
The beneficial effects of the utility model are：
Compared with prior art, there is safe and reliable, efficiency using yellow phosphoric tail gas burner described in the utility model
High, low cost and other advantages, the recovery utilization rate of yellow phosphoric tail gas is high, and heat supply is dried for phosphorus ore, has low excellent of efficiency high, cost
Gesture, while the burning of phosphorus furnace exhaust gas is complete, can realize on the basis of the discharge of newly-increased waste gas is prevented, improve phosphorus furnace exhaust gas
Utilization rate, reduce the pollutant load in emission.
Brief description of the drawings
Fig. 1 is the structural representation for the equipment that a kind of furnace exhaust gas using phosphorus described in the utility model carries out phosphorus ore drying.
In figure, rock phosphate in powder storage bin 1 to be dried, conveying pipeline 2, hot-blast stove 3, roller dryer 4, discharging opening 5, dust removal machine
Structure 6, air entraining pipe 7, tail gas water seal 8, bleed blower fan 9, pressure monitor 10, controller 11, tail gas air inlet pipe 12, steam-water separation cylinder
13rd, tail gas escape pipe 14, drainpipe 15, water scrubber 16, spray head 17, spoiler 18, vavuum pump 19, ventilating fan 20, filtering
Device 21, oxygen-enriching device 22, air pump 23, gas and water separator 24, dehumidifying device 25, stable-pressure device 26, heater 27.
Embodiment
The utility model is further illustrated with reference to the accompanying drawings and examples.
Embodiment 1
As shown in figure 1, the phosphorus ore drying equipment described in the present embodiment, including rock phosphate in powder storage bin 1 to be dried, conveying pipeline 2,
Hot-blast stove 3, roller dryer 4, discharging opening 5, dedusting mechanism 6；Also include phosphorus furnace exhaust gas pretreatment unit, phosphorus furnace exhaust gas is located in advance
Reason device is connected with hot-blast stove 3 and roller dryer 4, is the offer fuel of hot-blast stove 3, and hot blast after burning is from being arranged on roller
The hot wind inlet input of the end of formula dryer 4.
The phosphorus furnace exhaust gas pretreatment unit includes tail gas recycle mechanism, tail gas clean-up mechanism, the combustion-supporting mechanism of tail gas.
The tail gas recycle mechanism includes air entraining pipe 7, tail gas water seal 8, bleed blower fan 9, pressure monitor 10, controller
11。
The tail gas water seal 8 is connected with air entraining pipe 7, and bleed blower fan 9 is arranged on inside the posterior segment of air entraining pipe 7, pressure prison
Device 10 to be surveyed to be arranged on inside the leading portion of air entraining pipe 7, the pressure monitor 10 and bleed blower fan 9 are connected with controller 11,
Wherein pressure monitor 10 is connected with the input of controller 11, and bleed blower fan 9 is connected with the output end of controller 11；By tail
The yellow phosphoric tail gas of air water envelope 8 conveys in the presence of bleed blower fan 9 along air entraining pipe 7, and measurement flows through tail to pressure monitor 10 in real time
The yellow phosphoric tail gas air pressure of air water envelope 8, and signal is transmitted to controller 11, controller 11 is compared the signal and preset standard pressure
It is more than standard value compared with, detected value, controller 11 instructs bleed blower fan 9 to increase air quantity, on the contrary then reduce air quantity, realizes dynamic control
Furnace pressure.
The tail gas clean-up mechanism includes steam-water separation mechanism and water washing mechanism.
The steam-water separation mechanism includes tail gas air inlet pipe 12, steam-water separation cylinder 13, tail gas escape pipe 14 and drainpipe
15, wherein, one end of tail gas air inlet pipe 12 is connected with the air entraining pipe 7 of tail gas recycle mechanism, and the other end is connected to steam-water separation cylinder
In 13, by the effect of steam-water separation cylinder 13, liquid substance is discharged by drainpipe 15, and gaseous material passes through tail gas escape pipe 14
Into vavuum pump 19.
The water washing mechanism includes water scrubber 16, and tower body is provided with air inlet and gas outlet, spray is provided with the top of tower body
First 17, tower body inside sets spoiler 18.
The combustion-supporting mechanism of tail gas includes ventilating fan 20, filter 21, oxygen-enriching device 22, air pump 23, gas-water separation dress
24, dehumidifying device 25, stable-pressure device 26, heater 27 are put, each part is sequentially connected, leads in exhaust combustion mechanism, enter afterwards
Gas blower fan 20 is pumped into air in oxygen-enriching device 22 by filter 21, and oxygen-enriched air is made in the presence of pressure differential；Utilize
Oxygen-enriched air is delivered to gas and water separator 24, dehumidifying device 25 by air pump 23, into stable-pressure device 26, finally by heater 27
Preheating, it is sent into and is burnt by rich-oxygen nozzle.
During rock phosphate in powder is dried：Wet rock phosphate in powder is transported to rock phosphate in powder storage bin 1 by conveying device, then passes through conveying
Pipe 2 enters roller dryer 4, and rock phosphate in powder adds from eminence, and hot-air enters by lower, with rock phosphate in powder into counter current contacting, with
The rotation rock phosphate in powder for roller dryer 4 is run to one end bottom of compared with by Action of Gravity Field.Wet rock phosphate in powder is in cylinder to reach
During dynamic, the heating of hot-air is directly or indirectly obtained, has enable wet rock phosphate in powder drying, then in discharge end through belt feeder
Or conveying worm is sent out, flight is housed on the inwall of roller dryer 4, its effect is that rock phosphate in powder is taken up to come and spread
Under, make contact surface increase of the rock phosphate in powder with air-flow, to improve rate of drying and promote rock phosphate in powder to advance.
Claims (1)
1. a kind of equipment that phosphorus ore drying is carried out using phosphorus furnace exhaust gas, it is characterised in that including rock phosphate in powder storage bin to be dried
（1）, conveying pipeline（2）, hot-blast stove（3）, roller dryer（4）, discharging opening（5）, dedusting mechanism（6）；
Also include phosphorus furnace exhaust gas pretreatment unit, phosphorus furnace exhaust gas pretreatment unit and hot-blast stove（3）And roller dryer（4）Phase
Even, it is hot-blast stove（3）There is provided fuel, hot blast after burning is from being arranged on roller dryer（4）The hot wind inlet input of end；
The phosphorus furnace exhaust gas pretreatment unit includes tail gas recycle mechanism, tail gas clean-up mechanism, the combustion-supporting mechanism of tail gas；
The tail gas recycle mechanism includes air entraining pipe（7）, tail gas water seal（8）, bleed blower fan（9）, pressure monitor（10）, control
Device（11）；
The tail gas water seal（8）With air entraining pipe（7）It is connected, bleed blower fan（9）It is arranged on air entraining pipe（7）Posterior segment inside, pressure
Power monitor（10）It is arranged on air entraining pipe（7）Leading portion inside, the pressure monitor（10）And bleed blower fan（9）With control
Device processed（11）Connection, wherein pressure monitor（10）With controller（11）Input be connected, bleed blower fan（9）With controller
（11）Output end be connected；By tail gas water seal（8）Yellow phosphoric tail gas in bleed blower fan（9）In the presence of along air entraining pipe（7）It is defeated
Send, pressure monitor（10）Measurement flows through tail gas water seal in real time（8）Yellow phosphoric tail gas air pressure, and signal is transmitted to controller
（11）, controller（11）By the signal compared with preset standard pressure, detected value is more than standard value, controller（11）Instruction
Bleed blower fan（9）Increase air quantity, it is on the contrary then reduce air quantity, realize dynamic control furnace pressure；
The tail gas clean-up mechanism includes steam-water separation mechanism and water washing mechanism；
The steam-water separation mechanism includes tail gas air inlet pipe（12）, steam-water separation cylinder（13）, tail gas escape pipe（14）And draining
Pipe（15）, wherein, tail gas air inlet pipe（12）One end and tail gas recycle mechanism air entraining pipe（7）It is connected, the other end is connected to vapour
Water cylinder（13）It is interior, by steam-water separation cylinder（13）Effect, liquid substance passes through drainpipe（15）Discharge, gaseous material lead to
Cross tail gas escape pipe（14）Into vavuum pump（19）；
The water washing mechanism includes water scrubber（16）, tower body is provided with air inlet and gas outlet, spray head is provided with the top of tower body
（17）, tower body inside sets spoiler（18）；
The combustion-supporting mechanism of tail gas includes ventilating fan（20）, filter（21）, oxygen-enriching device（22）, air pump（23）, air water point
From device（24）, dehumidifying device（25）, stable-pressure device（26）, heater（27）, each part is sequentially connected, and leads to tail gas combustion afterwards
Burn in mechanism, ventilating fan（20）Air is passed through filter（21）It is pumped into oxygen-enriching device（22）It is interior, in the presence of pressure differential
Oxygen-enriched air is made；Utilize air pump（23）Oxygen-enriched air is delivered to gas and water separator（24）, dehumidifying device（25）, into steady
Pressure device（26）, finally by heater（27）Preheating, it is sent into and is burnt by rich-oxygen nozzle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720357660.4U CN206666132U (en) | 2017-04-07 | 2017-04-07 | A kind of equipment that phosphorus ore drying is carried out using phosphorus furnace exhaust gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720357660.4U CN206666132U (en) | 2017-04-07 | 2017-04-07 | A kind of equipment that phosphorus ore drying is carried out using phosphorus furnace exhaust gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206666132U true CN206666132U (en) | 2017-11-24 |
Family
ID=60367938
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720357660.4U Expired - Fee Related CN206666132U (en) | 2017-04-07 | 2017-04-07 | A kind of equipment that phosphorus ore drying is carried out using phosphorus furnace exhaust gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206666132U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117383525A (en) * | 2023-09-18 | 2024-01-12 | 雷波凯瑞磷化工有限责任公司 | Yellow phosphorus raw material preheating equipment |
| CN119771614A (en) * | 2024-12-24 | 2025-04-08 | 昆明理工大学 | Yellow phosphorus furnace gas treatment method and equipment for yellow phosphorus electric furnace method production |
-
2017
- 2017-04-07 CN CN201720357660.4U patent/CN206666132U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117383525A (en) * | 2023-09-18 | 2024-01-12 | 雷波凯瑞磷化工有限责任公司 | Yellow phosphorus raw material preheating equipment |
| CN119771614A (en) * | 2024-12-24 | 2025-04-08 | 昆明理工大学 | Yellow phosphorus furnace gas treatment method and equipment for yellow phosphorus electric furnace method production |
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|---|---|---|---|
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20171124 Termination date: 20180407 |