CN103803515A - Decarbonizing calcining device of yellow phosphorus ores - Google Patents
Decarbonizing calcining device of yellow phosphorus ores Download PDFInfo
- Publication number
- CN103803515A CN103803515A CN201410062933.3A CN201410062933A CN103803515A CN 103803515 A CN103803515 A CN 103803515A CN 201410062933 A CN201410062933 A CN 201410062933A CN 103803515 A CN103803515 A CN 103803515A
- Authority
- CN
- China
- Prior art keywords
- inner core
- yellow phosphorus
- air
- calcining
- kiln
- 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
Images
Landscapes
- Furnace Details (AREA)
Abstract
The invention relates to a decarbonizing calcining device of yellow phosphorus ores. The device comprises a calcining kiln and a cooler. The calcining kiln mainly consists of a kiln body, a loading system, a material distributor, a discharge port, a burning device, a heat exchanger, an ejector and a fan system. The cooler is provided with a cooler inlet and a cooler outlet, and the discharge port of the calcining kiln is connected to the cooler inlet through conveying equipment. The calcining kiln is in a sleeve structure, the kiln body consists of an inner cylinder and an outer cylinder, and the inner cylinder is divided into an upper inner cylinder and a lower inner cylinder. The burning device comprises burning chambers in upper and lower layers, each of which is provided with 3-8 burning chambers, the burning chambers in the same layer are uniformly distributed, the burning chambers in the upper and lower layers are arranged in a staggered manner, and each burning chamber is connected with the inner cylinder through a fire bridge. According to the device provided by the invention, the decarbonizing calcining problem of yellow phosphorus ores is effectively solved by combining the calcining kiln and the cooler, thereby reducing the energy consumption and improving the output. Pressure, airflow and temperature in the sleeve calcining kiln are uniformly distributed in the circular section and among the whole material layer, so that the calcining uniformity of yellow phosphorus ores is ensured.
Description
Technical field
The invention belongs to chemical production equipment technical field, relate to yellow phosphorus ore pre-processing device, be specifically related to a kind of Rock Phosphate (72Min BPL) decarburization roasting assembly.
Background technology
The phosphorus ore in the world 2/3 contains a large amount of carbonate, along with rich ore, the easily minimizing of ore dressing, develops the phosphorus ore that contains a large amount of carbonate and just day by day seems important.Due to the existence of carbonate, in yellow phosphorus ore, there is 10% mistake rate, for phosphorus production is brought expense electricity, expense coal or affects the unfavorable factors such as ratio of mixture.Therefore, the Rock Phosphate (72Min BPL) of using in phosphorus production need to pass through processing treatment, can put into production after deviating from carbonic acid.Objectionable in Rock Phosphate (72Min BPL) affects phosphorus production cost and production efficiency as organism, siliceous thing, rhombspar, calcite, iron aluminium matter crystal water and arsenic etc.Impurity is more, and loss on ignition is larger, and the output of yellow phosphorus is just lower, and the power consumption in technological process is also larger.Research shows that calcination processing is one of effective ways of carbonate phosphorus ore decarburization.Calcining needs calciner, up to the present not yet forms the special production unit of Rock Phosphate (72Min BPL) decarburization calcining.
Summary of the invention
The object of this invention is to provide a kind of Rock Phosphate (72Min BPL) decarburization roasting assembly, the carbonate in effective elimination yellow phosphorus ore etc. are objectionable, to reduce the energy consumption of phosphorus production, improve production capacity.
Yellow phosphorus ore decarburization roasting assembly of the present invention, comprises calcining kiln and water cooler.Calcining kiln is mainly made up of kiln body, feeding system, distributor, waste gas outlet pipe, mixed gas outlet pipe, discharge port, combustion equipment, interchanger, injector and blower fan system.Water cooler is provided with water cooler opening for feed and cooler outlet, and the discharge port of calcination kiln is connected to water cooler opening for feed by handling equipment.Calcining kiln is telescoping structure, and kiln body is made up of inner core and urceolus, and inner core is divided into inner core and lower inner core.Combustion equipment is upper and lower two-layer combustion chamber, and every layer is provided with 3～8 combustion chambers, and same layer combustion chamber is evenly arranged, and upper and lower layer combustion chamber staggered arrangement, is connected by firebridge between each combustion chamber and inner core.Combustion chamber is provided with burner, and blower fan system comprises induced-draft fan, draught fan, inner core cooling blower.The top of upper inner core is connected with waste gas outlet pipe, and the top of lower inner core is connected with mixed gas outlet pipe, and mixed gas outlet pipe is connected to injector entrance, and injector outlet is connected to the combustion air entrance of lower combustion chamber's burner.
The middle part of water cooler is provided with two-layer air intake beam, every layer of 2～3 air intake beam; The top of water cooler is provided with pneumatic outlet or suction bar.Air intake beam is tubular body arranged inside structure or box-shaped body structure, and box-shaped body structure air intake beam is provided with 1～3 and discharges air port, air outlet to lower opening or downwards, to left and right opening.Tubular body arranged inside structure air intake beam is provided with two discharge air ports, and the angle of air outlet and vertical line is 0～90 °.Air outlet is circle, ellipse or rectangle.Suction bar is tubular body arranged inside structure, and the bottom of suction bar is provided with air suction inlet, and air suction inlet is circle, ellipse or rectangle.Lower inner core is the cylindrical steel plate box structure that double-layer plate surrounds, and steel plate box bottom is connected with inner core cooling air inlet pipe, and steel plate box top is connected with inner core cooling air outlet pipe.Firebridge is the arch form structure that laying fireproof bricks forms.
Yellow phosphorus ore decarburization roasting assembly of the present invention combines by calcining kiln and water cooler, efficiently solves the decarburization calcining problem of yellow phosphorus ore, is conducive to reduce energy consumption, improves the production capacity of phosphorus production.Telescopic calcining kiln is simple in structure, and Operation and maintenance are convenient, and Working environment is better, good quality of product after calcining.Calcining kiln internal pressure, air-flow and temperature in ring section and whole bed of material equiblibrium mass distribution, have guaranteed the homogeneity of yellow phosphorus ore calcination.Water cooler adds suction bar by add air intake beam and top at middle part, and yellow phosphorus ore after forced draft cooling calcination processing, has improved speed of cooling and cooling performance.
accompanying drawing explanation
Fig. 1 is the structural representation of yellow phosphorus ore decarburization roasting assembly calcining kiln of the present invention;
Fig. 2 is the structural representation of yellow phosphorus ore decarburization roasting assembly water cooler of the present invention:
Fig. 3 is the cross sectional representation of box-shaped body structure air intake beam;
Fig. 4 is the structural representation of tubular body arranged inside structure air intake beam;
Fig. 5 is the structural representation of suction bar.
Wherein:
1-feeding system, 2-distributor, 3-waste gas outlet pipe, 4-upper inner core, 5-urceolus, 6-lower inner core, 7-inner core cooling air outlet pipe, 8-firebridge, 9-lower combustion chamber, 10-bottom cone, 11-inner core cooling air inlet pipe, 12-annular space, 13-mixed gas outlet pipe, 14-burner, 15-upper combustion chamber, 16-discharge port, 17-water cooler opening for feed, 18-water cooler, 19-air intake beam, 20-cooler outlet, 21-suction bar, 22-air channel, 23-air outlet, 24-calcining kiln, 25-air suction inlet.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in detail.
Yellow phosphorus ore decarburization roasting assembly of the present invention, comprise calcining kiln 24 and water cooler 18, as shown in Figure 1, calcining kiln is mainly made up of kiln body, feeding system 1, distributor 2, waste gas outlet pipe 3, mixed gas outlet pipe 13, discharge port 16, combustion equipment, interchanger, injector and blower fan system.As shown in Figure 2, water cooler is provided with water cooler opening for feed 17, two-layer air intake beam 19, suction bar 21 and cooler outlet 20.Air intake beam is located at the middle part of water cooler, and upper strata is provided with 3 air intake beams, and lower floor is provided with 2 air intake beams, the alternate setting of two-layer air intake beam.The discharge port of calcination kiln is connected to water cooler opening for feed by handling equipment.Calcining kiln is telescoping structure, and kiln body is made up of inner core and urceolus 5, and inner core is divided into inner core 4 and lower inner core 6.Inner core and urceolus arranged concentric, form an annular space 12.The preheating in annular space of yellow phosphorus ore, calcining and cooling.Urceolus is surrounded and is served as a contrast with refractory brick by general steel plate.Combustion equipment is upper and lower two-layer combustion chamber, and every layer is provided with 6 combustion chambers, and same layer combustion chamber is evenly arranged, and upper and lower layer combustion chamber staggered arrangement, is connected by firebridge 8 between each combustion chamber and inner core.Firebridge is the arch form structure that laying fireproof bricks forms.Combustion chamber is provided with burner 14, and blower fan system comprises induced-draft fan, draught fan, inner core cooling blower.The top of upper inner core is connected with waste gas outlet pipe, and the top of lower inner core is connected with mixed gas outlet pipe 13, and mixed gas outlet pipe is connected to injector entrance, and injector outlet is connected to the combustion air entrance of lower combustion chamber's 9 burners.The cylindrical steel plate box structure that lower inner core 6 surrounds for double-layer plate, steel plate box bottom is connected with inner core cooling air inlet pipe 11, and steel plate box top is connected with inner core cooling air outlet pipe 7.The bottom of kiln body is provided with bottom cone 10, and the top of lower inner core is provided with cone.Air intake beam 19 is tubular body arranged inside structure or box-shaped body structure, and as shown in Figure 3, box-shaped body structure air intake beam is provided with air outlet 23, opening downwards, left and to the right.Air outlet is circular.As selection, as shown in Figure 4, tubular body arranged inside structure air intake beam is provided with two discharge air ports, and the angle of air outlet and vertical line is 90 °.As shown in Figure 5, suction bar 21 is tubular body arranged inside structure, and the bottom of suction bar is provided with air suction inlet 25, and air suction inlet is oval.
The main purpose of calcining is exactly organism and the decomposing carbonate of removing in yellow phosphorus ore, and carbonate thermolysis, separates out C O
2gas also generates CaO and the solid product of MgO.The process of utilizing yellow phosphorus ore decarburization roasting assembly of the present invention to process yellow phosphorus ore is, preheating is carried out in the preheating zone (go up the annular space 12 between inner core and urceolus cylindrical shell) that yellow tinkling of pieces of jade ore enters calcining kiln through feeding system 1 and distributor 2, through calcining zone calcine, cooling zone arrives water cooler 18 through discharge port 16, handling equipment and water cooler opening for feed 17 after cooling.Calcining zone is divided into top calcining zone, middle part calcining zone and bottom calcining zone.From upper combustion chamber to inner core end opening be top calcining zone, the region between upper and lower combustion chamber is middle part calcining zone, upper, middle part calcining zone is adverse current calcination operation.Lower combustion chamber's plane is bottom calcining zone to the region between lower inner core recycle gas plane of inlet, bottom calcining zone is cocurrent cooling operation, the yellow phosphorus ore that the flue gas that calcining zone burning produces newly enters through preheating zone preheating, then discharges to blowdown system through waste gas outlet pipe 3.The yellow phosphorus ore that enters water cooler is cooled to normal temperature under the forced ventilation effect of air intake beam 19, goes out device to feed bin through cooler outlet 20.Hot blast after cooling yellow phosphorus ore is extracted out through suction bar 21, and the combustion air entrance to calcining kiln burner 14 after dedusting is made combustion air, makes full use of waste heat.
Claims (6)
1. a yellow phosphorus ore decarburization roasting assembly, comprise calcining kiln (24) and water cooler (18), described calcining kiln is mainly by kiln body, feeding system (1), distributor (2), waste gas outlet pipe (3), mixed gas outlet pipe (13), discharge port (16), combustion equipment, interchanger, injector and blower fan system form, described water cooler is provided with water cooler opening for feed (17) and cooler outlet (20), the discharge port of calcination kiln is connected to water cooler opening for feed by handling equipment, it is characterized in that: described calcining kiln is telescoping structure, described kiln body is made up of inner core and urceolus (5), inner core is divided into inner core (4) and lower inner core (6), described combustion equipment is upper and lower two-layer combustion chamber, and every layer is provided with 3～8 combustion chambers, and same layer combustion chamber is evenly arranged, and upper and lower layer combustion chamber staggered arrangement, is connected by firebridge (8) between each combustion chamber and inner core, described combustion chamber is provided with burner (14), and described blower fan system comprises induced-draft fan, draught fan, inner core cooling blower, the top of described upper inner core is connected with waste gas outlet pipe, and the top of lower inner core is connected with mixed gas outlet pipe (13), and mixed gas outlet pipe is connected to injector entrance, and injector outlet is connected to the combustion air entrance of lower combustion chamber (9) burner.
2. yellow phosphorus ore decarburization roasting assembly according to claim 1, is characterized in that: the middle part of described water cooler (18) is provided with two-layer air intake beam (19), every layer of 2～3 air intake beam; The top of water cooler is provided with pneumatic outlet or suction bar (21).
3. yellow phosphorus ore decarburization roasting assembly according to claim 2, it is characterized in that: described air intake beam (19) is tubular body arranged inside structure or box-shaped body structure, described box-shaped body structure air intake beam is provided with 1～3 and discharges air port (23), air outlet opening to lower opening or downwards, left and to the right; Described tubular body arranged inside structure air intake beam is provided with two discharge air ports, and the angle of air outlet and vertical line is 0～90 °; Described air outlet is circle, ellipse or rectangle.
4. yellow phosphorus ore decarburization roasting assembly according to claim 2, is characterized in that: described suction bar (21) is tubular body arranged inside structure, and the bottom of suction bar is provided with air suction inlet (25), and air suction inlet is circle, ellipse or rectangle.
5. yellow phosphorus ore decarburization roasting assembly according to claim 1, it is characterized in that: the cylindrical steel plate box structure that described lower inner core (6) surrounds for double-layer plate, steel plate box bottom is connected with inner core cooling air inlet pipe (11), and steel plate box top is connected with inner core cooling air outlet pipe (7).
6. yellow phosphorus ore decarburization roasting assembly according to claim 1, is characterized in that: the arch form structure that described firebridge (8) forms for laying fireproof bricks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410062933.3A CN103803515A (en) | 2014-02-22 | 2014-02-22 | Decarbonizing calcining device of yellow phosphorus ores |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410062933.3A CN103803515A (en) | 2014-02-22 | 2014-02-22 | Decarbonizing calcining device of yellow phosphorus ores |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103803515A true CN103803515A (en) | 2014-05-21 |
Family
ID=50700967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410062933.3A Pending CN103803515A (en) | 2014-02-22 | 2014-02-22 | Decarbonizing calcining device of yellow phosphorus ores |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103803515A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110872130A (en) * | 2018-08-31 | 2020-03-10 | 贵州芭田生态工程有限公司 | Calcined phosphorite beneficial to leaching and method for leaching calcium and magnesium ions |
| CN113776324A (en) * | 2021-09-28 | 2021-12-10 | 马有苏夫 | Decarbonization of yellow phosphorus ore calcines system |
| CN114459243A (en) * | 2021-12-29 | 2022-05-10 | 安徽辉隆中成科技有限公司 | A kind of phosphate rock decarburization calcination device and method |
| CN114887738A (en) * | 2022-04-13 | 2022-08-12 | 王硕 | Decarbonization of yellow phosphorus ore calcines system |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202208690U (en) * | 2011-09-13 | 2012-05-02 | 石家庄市新华工业炉有限公司 | Air circulation system for calcining compartment of sleeve kiln |
| CN203754424U (en) * | 2014-02-22 | 2014-08-06 | 石家庄新华能源环保科技股份有限公司 | Yellow phosphorus ore decarburization calcining device |
-
2014
- 2014-02-22 CN CN201410062933.3A patent/CN103803515A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202208690U (en) * | 2011-09-13 | 2012-05-02 | 石家庄市新华工业炉有限公司 | Air circulation system for calcining compartment of sleeve kiln |
| CN203754424U (en) * | 2014-02-22 | 2014-08-06 | 石家庄新华能源环保科技股份有限公司 | Yellow phosphorus ore decarburization calcining device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110872130A (en) * | 2018-08-31 | 2020-03-10 | 贵州芭田生态工程有限公司 | Calcined phosphorite beneficial to leaching and method for leaching calcium and magnesium ions |
| CN113776324A (en) * | 2021-09-28 | 2021-12-10 | 马有苏夫 | Decarbonization of yellow phosphorus ore calcines system |
| CN114459243A (en) * | 2021-12-29 | 2022-05-10 | 安徽辉隆中成科技有限公司 | A kind of phosphate rock decarburization calcination device and method |
| CN114887738A (en) * | 2022-04-13 | 2022-08-12 | 王硕 | Decarbonization of yellow phosphorus ore calcines system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104792154B (en) | A partition type rotary kiln device | |
| US11905181B2 (en) | Method for preparing calcium oxide using a multistage suspension preheater kiln | |
| CN104211309B (en) | A kind of suspension cylinder formula also flows the two thorax kiln of accumulation of heat | |
| CN102303956B (en) | Sleeve-type lime kiln | |
| CN102230726B (en) | Sleeve type continuous calcining vertical kiln | |
| CN103980925A (en) | Pyrolysis furnace and treatment process for treating waste tire | |
| CN107324671A (en) | A kind of pair of bore type lime shaft kiln | |
| CN103601376A (en) | Sleeve type double chamber shaft kiln | |
| CN103803515A (en) | Decarbonizing calcining device of yellow phosphorus ores | |
| CN103335514A (en) | Rotary kiln device provided with energy recovery equipment | |
| CN102288022B (en) | Sleeve-type gas-burning shaft kiln | |
| CN105236772B (en) | A kind of shaft furnace partition rotary kiln combined unit | |
| CN202836180U (en) | Ring-shaped sleeve kiln | |
| CN102992661A (en) | Beam type heat storage lime kiln | |
| CN102627418A (en) | Compound lime kiln | |
| CN104446017B (en) | A kind of dividing wall type calciner plant | |
| CN104496207B (en) | Heat storage type lime rotary kiln | |
| CN203478938U (en) | Rotary kiln apparatus with energy recovery equipment | |
| CN102951859B (en) | Heat accumulating type lime kiln | |
| CN101456684A (en) | Lime burner using solid fuels | |
| CN203754424U (en) | Yellow phosphorus ore decarburization calcining device | |
| CN203474652U (en) | Heat accumulating type lime rotary kiln | |
| CN204125383U (en) | The two thorax kiln of a kind of low power consumption | |
| CN204125385U (en) | A kind of suspension cylinder formula also flows the two thorax kiln of accumulation of heat | |
| CN105157415B (en) | Ring-shaped shaft kiln |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140521 |