CN114367124A - Yellow phosphorus furnace gas treatment equipment and method - Google Patents
Yellow phosphorus furnace gas treatment equipment and method Download PDFInfo
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- CN114367124A CN114367124A CN202111677217.2A CN202111677217A CN114367124A CN 114367124 A CN114367124 A CN 114367124A CN 202111677217 A CN202111677217 A CN 202111677217A CN 114367124 A CN114367124 A CN 114367124A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/002—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by condensation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D5/00—Condensation of vapours; Recovering volatile solvents by condensation
- B01D5/0027—Condensation of vapours; Recovering volatile solvents by condensation by direct contact between vapours or gases and the cooling medium
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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
- C01B25/00—Phosphorus; Compounds thereof
- C01B25/02—Preparation of phosphorus
- C01B25/027—Preparation of phosphorus of yellow phosphorus
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Abstract
The invention relates to the technical field of waste gas treatment, and discloses yellow phosphorus furnace gas treatment equipment and a method, wherein the yellow phosphorus furnace gas treatment equipment comprises a treatment tank with a treatment cavity arranged therein, a partition plate for partitioning the lower end part of the treatment cavity into a liquid storage cavity is arranged in the treatment cavity, a funnel-shaped liquid guide cylinder is arranged above the partition plate, a furnace gas cavity is formed among the liquid guide cylinder, the partition plate and the side wall of the treatment cavity, a furnace gas inlet pipe communicated with the furnace gas cavity is arranged on the treatment tank, a gas guide column extending into the liquid guide cylinder is arranged at the lower end part of the liquid guide cylinder, a communication hole communicated with the liquid storage cavity is arranged on the gas guide column, and a gas passage communicated with the furnace gas cavity and used for guiding furnace gas into the treatment cavity is arranged in the gas guide column; a spraying mechanism and a condensing mechanism are sequentially arranged in the treatment cavity above the liquid guide cylinder from bottom to top, the spraying mechanism comprises a spraying cover above the liquid guide cylinder, and a spraying head for spraying furnace gas is arranged in the spraying cover; the upper end of the treatment tank is provided with a furnace gas discharge pipe. Through the structure, the yellow phosphorus furnace gas is preferably sprayed and condensed.
Description
Technical Field
The invention relates to the technical field of waste gas treatment, in particular to yellow phosphorus furnace gas treatment equipment and a yellow phosphorus furnace gas treatment method.
Background
Yellow phosphorus, also known as white phosphorus, is a white to pale yellow waxy solid. The yellow phosphorus can be used for producing phosphoric acid, is used for producing smoke shells, combustion shells and the like in military affairs by utilizing the characteristic of generating smoke due to flammability, and has wide application.
At present, phosphorus ore, silica and coke are used to reduce phosphorus compound in electric furnace at high temperature to prepare industrial yellow phosphorus at home and abroad. The basic technological process includes mixing phosphate rock, silica and coke (or high quality anthracite) in certain proportion, mixing, feeding into electric furnace to produce furnace gas, washing the furnace gas containing phosphorus vapor, dust and coal gas with water to obtain coarse phosphorus, and refining coarse phosphorus to obtain phosphorus product.
Disclosure of Invention
Aiming at certain defect or defects in the prior art, the invention provides yellow phosphorus furnace gas treatment equipment and a yellow phosphorus furnace gas treatment method.
In order to solve the above technical problems, the present invention is solved by the following technical solutions.
Yellow phosphorus furnace gas treatment equipment comprises a treatment tank with a treatment cavity arranged therein, wherein a partition plate for dividing the lower end part of the treatment cavity into a liquid storage cavity is arranged in the treatment cavity, a funnel-shaped liquid guide cylinder is arranged above the partition plate, a furnace gas cavity is formed among the liquid guide cylinder, the partition plate and the side wall of the treatment cavity, a furnace gas inlet pipe communicated with the furnace gas cavity is arranged on the treatment tank, a gas guide column extending into the liquid guide cylinder is arranged at the lower end part of the liquid guide cylinder, a communication hole communicated with the liquid storage cavity is arranged on the gas guide column, and a gas passage communicated with the furnace gas cavity and used for guiding furnace gas into the treatment cavity is arranged in the gas guide column; a spraying mechanism and a condensing mechanism are sequentially arranged in the treatment cavity above the liquid guide cylinder from bottom to top, the spraying mechanism comprises a spraying cover above the liquid guide cylinder, and a spraying head for spraying furnace gas is arranged in the spraying cover; the upper end of the treatment tank is provided with a furnace gas discharge pipe.
By the structure, furnace gas generated by the yellow phosphorus electric furnace is added into the treatment tank, the furnace gas is sprayed and condensed, and crude phosphorus is prepared from the condensate, so that the yellow phosphorus furnace gas is preferably treated and is convenient to discharge.
Preferably, the condensing mechanism comprises a filter plate, a rotatable rotating shaft is arranged on the lower plate surface of the filter plate, and a plurality of condensing assemblies for condensing the furnace gas are distributed on the rotating shaft along the axial direction of the rotating shaft; an air guide cylinder which is in a conical cylinder shape and into which the lower end of the rotating shaft extends is arranged below the filter plate and above the spray cover, a collecting plate with an L-shaped section is arranged on the lower end surface of the air guide cylinder along the circumferential direction of the air guide cylinder, and a collecting cavity for collecting condensate is formed between the collecting plate and the side wall of the treatment cavity; a liquid discharge pipe extending out of the treatment tank is arranged below the gas cylinder, and a guide pipe for guiding the condensate in the collection cavity into the liquid discharge pipe is arranged on the collection plate.
Through the structure of the invention, the sprayed furnace gas is subjected to condensation treatment by the condensation assembly, and condensed condensate is collected in the collection cavity under the action of centrifugal force and is discharged out of the treatment tank through the liquid discharge pipe.
Preferably, a first fixed block is arranged on the lower plate surface of the filter plate, a first cavity is formed in the first fixed block, the rotating shaft penetrates through the first cavity, a condensing agent liquid inlet pipe communicated with the first cavity is arranged outside the treatment tank, a second fixed block positioned below the gas guide cylinder is arranged on the collecting plate through a supporting rod, a second cavity for the lower end of the rotating shaft to extend into is formed in the second fixed block, a condensing agent liquid outlet pipe communicated with the second cavity is arranged outside the treatment tank, and a flow channel communicated with the second cavity is formed in the rotating shaft; the condensing assembly comprises a plurality of condensing pipes which are U-shaped and are communicated with the flow channel at two ends, the condensing pipes are uniformly distributed along the circumferential direction of the rotating shaft, partition plates are arranged in the flow channel and between openings at two ends of each condensing pipe, and the partition plates are used for guiding the condensate into the condensing pipes and flowing into the flow channel.
Through the structure in the invention, the circulating flow of the condensing agent in the condensing mechanism is preferably realized, and the condensing component is preferably used for condensing the furnace gas.
Preferably, the condenser pipe all inclines to set up in the pivot, and the condenser pipe symmetry between adjacent condensing assembly sets up, is equipped with the fin between the condenser pipe, and the fin that is located the pivot between the lowermost condenser pipe is used for upwards blowing the burner gas.
Through the structure of the invention, the rotating shaft rotates to drive the condensing pipe to rotate to blow the furnace gas relatively, so that the furnace gas flows along the length direction of the condensing pipe in the processing cavity, thereby preferably realizing the contact between the furnace gas and the condensing pipe and leading the furnace gas to obtain better condensation processing.
As the preferred, be equipped with the collection mechanism that is used for collecting the condensate between adjacent condensation subassembly, collect the mechanism and include a plurality of radial settings of pivot and link firmly the epaxial baffle in the pivot, the baffle is located between corresponding condenser pipe, and equal bending is equipped with on the upper and lower both ends face of baffle and supplies the baffle to correspond on the face condensate inflow and the cross-section be the collecting vessel of scroll.
Through the structure of the invention, the mutually flowing furnace gases impact the baffle plate, so that condensed liquid drops in the furnace gases impact the baffle plate to be attached to the baffle plate, and are thrown to the side wall of the treatment cavity under the guiding and collecting action of flowing into the collecting cylinder along with the rotation of the baffle plate, so that the condensed liquid drops are collected in the collecting cavity.
Preferably, the baffle is provided with a mounting groove along the length direction of the baffle, a mounting block is hinged in the mounting groove, the collecting cylinder is arranged on two side surfaces of the mounting block, hinge holes in the middle are oppositely arranged on the opposite side surfaces of the mounting groove, and hinge shafts extending into the corresponding hinge holes are arranged on the mounting block; a sliding cavity positioned below the hinge hole is arranged in the baffle along the length direction of the baffle, a limiting sliding groove communicated with the mounting groove is arranged on the side wall of the sliding cavity along the length direction of the sliding cavity, a sliding block capable of sliding is arranged in the sliding cavity, and a sliding column penetrating through the limiting sliding groove and extending into the mounting groove is arranged on the sliding block; be equipped with the recess that supplies the traveller to stretch into on the installation piece, be equipped with in the recess with traveller matched with inclined plane, the baffle rotates drive slider to keep away from hinge hole one end in the slip chamber and is used for driving traveller extrusion inclined plane drive installation piece level and arranges the mounting groove in, the slip intracavity is equipped with and is used for driving the slider to move to the spring that the hinge hole one end is close to in the slip chamber.
Through the structure of the invention, the baffle plate rotates to automatically enable the mounting block to be horizontally placed in the mounting groove, so that liquid drops on the baffle plate can be preferably conveniently collected, and when the baffle plate does not rotate, the mounting block automatically rotates and inclines to facilitate the discharge of the liquid drops in the collecting cylinder.
Preferably, the filter plate is provided with a motor for driving the rotating shaft to rotate, and the rotation of the rotating shaft is preferably realized.
The invention also provides a yellow phosphorus furnace gas treatment method, which uses any one of the yellow phosphorus furnace gas treatment equipment, and specifically comprises the following steps:
s1, adding the raw materials such as phosphate rock, coke and the like into a yellow phosphorus electric furnace;
s2, preparing a yellow phosphorus crude product in furnace gas yellow phosphorus furnace gas treatment equipment generated by the electric furnace in the S1;
s3, refining the crude yellow phosphorus product obtained in S2 to obtain the yellow phosphorus.
By the treatment method, the yellow phosphorus furnace gas is preferably subjected to spraying and condensation treatment, phosphorus-containing condensate with less impurities is preferably prepared, crude phosphorus is prepared by drying the phosphorus-containing condensate, the crude phosphorus is refined to obtain yellow phosphorus, and the yellow phosphorus furnace gas is preferably treated.
Drawings
FIG. 1 is a schematic view of a yellow phosphorus furnace gas treatment plant in example 1;
FIG. 2 is a schematic sectional view of a yellow phosphorus furnace gas treatment plant in example 1;
FIG. 3 is a schematic half-sectional view of a condensing mechanism in example 1;
FIG. 4 is a partial schematic view of a rotating shaft in embodiment 1;
FIG. 5 is a partial schematic view of a baffle plate in example 1;
FIG. 6 is a schematic partial cross-sectional view of a baffle plate in example 1;
fig. 7 is a partial schematic view of a mounting block in embodiment 1.
Detailed Description
For a further understanding of the invention, reference should be made to the following detailed description taken in conjunction with the accompanying drawings and examples. It is to be understood that the examples are illustrative of the invention and not limiting.
Example 1
As shown in fig. 1-7, the present embodiment provides a yellow phosphorus furnace gas treatment apparatus, which includes a treatment tank 100, a treatment chamber is disposed in the treatment tank 100, a partition plate 210 is disposed in the treatment chamber, and the partition plate 210 is used for partitioning the lower end of the treatment chamber into a liquid storage chamber 201; a funnel-shaped liquid guide barrel 220 is arranged above the partition plate 210, a furnace gas cavity 202 is formed among the liquid guide barrel 220, the partition plate 210 and the side wall of the processing cavity, a furnace gas inlet pipe 101 communicated with the furnace gas cavity 202 is arranged on the processing tank 100, an air guide column 221 extending into the liquid guide barrel 220 is arranged at the lower end part of the liquid guide barrel 220, a communication hole 222 communicated with the liquid storage cavity 201 is arranged on the air guide column 221, and an air passage 223 communicated with the furnace gas cavity 202 and used for guiding furnace gas into the processing cavity is arranged in the air guide column 221; a spraying mechanism and a condensing mechanism are sequentially arranged in the treatment cavity above the liquid guide cylinder 220 from bottom to top, the spraying mechanism comprises a spraying cover 230 above the liquid guide cylinder 220, and a spraying head for spraying furnace gas is arranged in the spraying cover 230; the upper end of the treatment tank 100 is provided with a furnace gas exhaust pipe 102.
In the embodiment, high-temperature furnace gas generated by the yellow phosphorus electric furnace is injected into the furnace gas cavity 202 through the furnace gas inlet pipe 101 and is added into the treatment cavity through the air passage 223, wherein the spray head sprays the lower part of the spray cover 230, so that the furnace gas added into the treatment cavity through the air guide column 221 is sprayed, dust and partial yellow phosphorus in the furnace gas are washed away, the content of impurities in condensate formed by subsequent condensation is reduced, and the temperature of the furnace gas is reduced; in this embodiment, a water tank 110 is disposed outside the treatment tank 100, the water tank 110 is connected to the shower head through a water pipe 111, and a water pump for pumping water in the water tank 110 into the shower head is disposed on the water pipe 111, so as to preferably realize the spraying operation of the shower head; in this embodiment, the arrangement of the liquid guiding cylinder 220 and the communication hole 222 enables the sprayed waste liquid to be injected into the liquid storage cavity 201 for storage through the communication hole 222 under the guiding action of the liquid guiding cylinder 220, and the treatment tank 100 is provided with a drainage pipe 106 for discharging the waste liquid in the liquid storage cavity 201; through the arrangement of the condensation mechanism in the embodiment, the sprayed furnace gas rises in the treatment cavity, so that phosphorus steam, water vapor and the like contained in the furnace gas are condensed to obtain a phosphorus-containing solution; wherein, the furnace gas after spraying and condensing treatment is discharged out of the treatment tank 100 through the arrangement of the furnace gas discharge pipe 102.
In this embodiment, the condensing mechanism includes a filter plate 240, a rotatable rotating shaft 241 is disposed on a lower plate of the filter plate 240, and a plurality of condensing assemblies 242 for condensing the furnace gas are disposed on the rotating shaft 241 along the axial direction of the rotating shaft 241; an air cylinder 250 which is in a conical cylinder shape and into which the lower end of the rotating shaft 241 extends is arranged below the filter plate 240 and above the spray cover 230, a collecting plate 310 with an L-shaped section is arranged on the lower end surface of the air cylinder 250 along the circumferential direction of the air cylinder 250, and a collecting cavity for collecting condensate is formed between the collecting plate 310 and the side wall of the treatment cavity; a drain pipe 103 extending from the treatment tank 100 is provided below the gas cylinder 250, and a guide pipe 311 for guiding the condensate in the collection chamber into the drain pipe 103 is provided on the collection plate 310.
By the structure in the embodiment, the sprayed furnace gas flows into the upper processing cavity from the upper end of the gas guide cylinder 250 through the guiding action of the gas guide cylinder 250, and the furnace gas flowing into the upper processing cavity is condensed by the condensing assembly 242 to form condensate attached to the condensing assembly 242; because the rotating shaft 241 is rotationally arranged, the rotating shaft 241 drives the condensing assembly 242 to rotate, so that condensate on the condensing assembly is transferred to the side wall of the processing cavity, the condensate is collected in the collecting cavity under the action of gravity and is led into the liquid discharge pipe 103 through the guide pipe 311 to be discharged, the condensate is dried to prepare crude phosphorus, and compared with the prior art in which the crude phosphorus is directly washed by water, the furnace gas is sprayed to remove impurities such as dust and the like, so that the impurities contained in the prepared crude phosphorus are reduced, and the subsequent refining cost is reduced; wherein, the filter plate 240 can filter the condensed furnace gas, preferably, the furnace gas discharged from the processing tank 100 can obtain the emission standard; in this embodiment, the filter plate 240 is provided with a motor 242 for driving the rotation shaft 241 to rotate, preferably, the rotation shaft 241 rotates, and the filter plate 240 is provided with a protective cover for protecting the motor 242.
In this embodiment, a first fixing block 320 is disposed on the lower plate of the filter plate 240, a first cavity 321 is disposed in the first fixing block 320, a rotating shaft 241 is disposed through the first cavity 321, a condensing agent inlet pipe 104 communicating with the first cavity 321 is disposed outside the treatment tank 100, a second fixing block 330 disposed below the gas guide cylinder 250 is disposed on the collection plate 310 via a support rod 312, a second cavity 331 for the lower end of the rotating shaft 241 to extend into is disposed in the second fixing block 330, a condensing agent outlet pipe 105 communicating with the second cavity 331 is disposed outside the treatment tank 100, and a flow passage 341 communicating with the second cavity 331 is disposed in the rotating shaft 241; the condensing assembly 242 includes a plurality of U-shaped condensing tubes 350 having two ends connected to the flow channels 341, the condensing tubes 350 are uniformly arranged along the circumferential direction of the rotating shaft 241, partition plates 342 are disposed in the flow channels 341 and between openings at two ends of the condensing tubes 350, and the partition plates 342 are used for guiding the condensing tubes 350 into the condensing tubes 350 and flowing into the flow channels 341.
In this embodiment, the existing condensing agent is added into the first cavity 321 through the condensing agent inlet pipe 104, and the sidewall of the flow channel 341 is provided with a through hole communicated with the first cavity 321, so that the condensing agent enters the flow channel 341 and flows into the second cavity 331, and finally flows out from the condensing agent outlet pipe 105, wherein the condensing agent in the flow channel 341 sequentially flows through the condensing pipe 350 through the arrangement of the partition plate 342, thereby realizing the circulating flow of the condensing agent in the condensing mechanism, and simultaneously realizing the rotation arrangement of the condensing pipe 350 driven by the rotating shaft 241.
In this embodiment, the condensation pipes 350 are all obliquely arranged on the rotating shaft 241, the condensation pipes 350 between the adjacent condensation assemblies 242 are symmetrically arranged, the fins 351 are arranged between the condensation pipes 350, and the fins 351 located between the condensation pipes 350 at the lowest end of the rotating shaft 241 are used for blowing the furnace gas upwards.
Through the structure in the embodiment, the condensation pipes 350 between the same condensation assemblies 242 form fans through the arrangement of the fins 351, the condensation pipes 350 between the adjacent condensation assemblies 242 are symmetrically arranged, so that the fans formed between the two condensation assemblies are oppositely arranged, and the fan formed by the lowest condensation assembly 242 of the rotating shaft 241 is used for blowing furnace gas upwards, so that the two condensation assemblies perform opposite blowing action, so that the furnace gas guided into the upper end processing cavity through the gas guide cylinder 250 can flow along the length direction of the condensation pipes 350, and the furnace gas can be fully condensed by the condensation pipes 350; in this embodiment, a plurality of sets of condensing assemblies 242 are disposed on the rotating shaft 241 at intervals along the axial direction of the rotating shaft 241, and the condensing pipes 350 between the plurality of sets of condensing assemblies 242 disposed adjacently are disposed in a staggered manner.
In this embodiment, be equipped with the collection mechanism 243 that is used for collecting the condensate between adjacent condensing assembly 242, collect mechanism 243 and include a plurality of baffles 410 that radially set up and link firmly on pivot 241 along pivot 241, baffle 410 is located between corresponding condenser pipe 350, all bends on the upper and lower terminal surface of baffle 410 and is equipped with on the corresponding face of confession baffle 410 condensate inflow and the cross-section is the collecting vessel 411 of vortex dish.
Through the structure in the embodiment, a fan is formed between the adjacent condensing assemblies 242 to blow the furnace gas to impact the baffle 410, so that the condensed liquid drops contained in the flowing furnace gas impact the baffle 410 to be attached to the baffle 410, and the baffle 410 rotates along with the rotating shaft 241, so that the condensed liquid drops attached to the baffle 410 rotate and flow along with the baffle 410, wherein the condensed liquid drops flowing on the baffle 410 flow into the collecting cylinder 411 to be collected through the arrangement of the collecting cylinder 411, and are finally thrown to the side wall of the processing cavity through the outlet of the collecting cylinder 411 due to centrifugal force, and the collection of the condensed liquid is realized.
In this embodiment, the baffle 410 is provided with an installation groove 511 along the length direction of the baffle 410, the installation groove 511 is internally hinged with an installation block 710, the collecting cylinder 411 is arranged on two side surfaces of the installation block 710, the opposite side surfaces of the installation groove 511 are relatively provided with hinge holes 512 located in the middle, and the installation block 710 is provided with hinge shafts 711 extending into the corresponding hinge holes 512; a sliding cavity 611 positioned below the hinge hole 512 is arranged in the baffle 410 along the length direction of the baffle 410, a limiting sliding groove 513 communicated with the mounting groove 511 is arranged on the side wall of the sliding cavity 611 along the length direction of the sliding cavity 611, a sliding block 620 capable of sliding is arranged in the sliding cavity 611, and a sliding column 621 penetrating through the limiting sliding groove 513 and extending into the mounting groove 511 is arranged on the sliding block 620; the mounting block 710 is provided with a groove 712 for the sliding column 621 to extend into, the groove 712 is provided with an inclined surface matched with the sliding column 621, the baffle plate 410 rotates to drive the sliding block 620 to move to the end of the sliding cavity 611 far away from the hinge hole 512 for driving the sliding column 621 to extrude the inclined surface to drive the mounting block 710 to be horizontally arranged in the mounting groove 511, and the sliding cavity 611 is provided with a spring 630 for driving the sliding block 620 to move to the end of the sliding cavity 611 near the hinge hole 512.
Through the structure in the embodiment, the hinge shaft 711 extends into the hinge hole 512 to realize that the mounting block 710 is mounted in the mounting groove 511 in a hinged manner, wherein the rotating shaft 241 drives the baffle plate 410 to rotate, so that the sliding block 620 overcomes the acting force of the spring 630 under the action of centrifugal force to move the sliding block 620 to one end of the sliding cavity 611 far away from the hinge hole 512, thereby moving the sliding column 621 along the limiting sliding groove 513, extruding the inclined surface to horizontally mount the mounting block 710 in the mounting groove 511, and thus enabling the condensed liquid drops on the baffle plate 410 to flow into the collecting cylinder 411; when the baffle 410 stops rotating, the spring 630 drives the sliding block 620 to move to one end of the sliding cavity 611 close to the hinge hole 512, so that the extrusion between the sliding column 621 and the inclined surface is released, the mounting block 710 rotates around the hinge shaft 711, and the outlet of the collecting cylinder 411 is arranged obliquely downwards, so that condensed liquid drops in the collecting cylinder 411 can be conveniently discharged; in this embodiment, the end of the mounting block 710 near the sidewall of the chamber is provided with a weight to preferably facilitate the tilting of the mounting block 710.
The embodiment also provides a yellow phosphorus furnace gas treatment method, which uses any one of the yellow phosphorus furnace gas treatment equipment, and specifically comprises the following steps: s1, adding the raw materials such as phosphate rock, coke and the like into a yellow phosphorus electric furnace;
s2, preparing a yellow phosphorus crude product in furnace gas yellow phosphorus furnace gas treatment equipment generated by the electric furnace in the S1;
s3, refining the crude yellow phosphorus product obtained in S2 to obtain the yellow phosphorus.
By the treatment method in the embodiment, the yellow phosphorus furnace gas is preferably subjected to spraying and condensation treatment, a phosphorus-containing condensate with less impurities is preferably prepared, the phosphorus-containing condensate is dried to prepare crude phosphorus, the crude phosphorus is subsequently refined to obtain yellow phosphorus, and the yellow phosphorus furnace gas is preferably treated.
In summary, the above-mentioned embodiments are only preferred embodiments of the present invention, and all equivalent changes and modifications made in the claims of the present invention should be covered by the claims of the present invention.
Claims (8)
1. Yellow phosphorus burner gas treatment facility, its characterized in that: the device comprises a treatment tank (100) internally provided with a treatment cavity, wherein a partition plate (210) used for separating the lower end part of the treatment cavity into a liquid storage cavity (201) is arranged in the treatment cavity, a funnel-shaped liquid guide cylinder (220) is arranged above the partition plate (210), a furnace gas cavity (202) is formed between the liquid guide cylinder (220), the partition plate (210) and the side wall of the treatment cavity, a furnace gas inlet pipe (101) communicated with the furnace gas cavity (202) is arranged on the treatment tank (100), a gas guide column (221) extending into the liquid guide cylinder (220) is arranged at the lower end part of the liquid guide cylinder (220), a communicating hole (222) communicated with the liquid storage cavity (201) is arranged on the gas guide column (221), and a gas channel (223) communicated with the furnace gas cavity (202) and used for guiding furnace gas into the treatment cavity is arranged in the gas guide column (221); a spraying mechanism and a condensing mechanism are sequentially arranged in the treatment cavity above the liquid guide cylinder (220) from bottom to top, the spraying mechanism comprises a spraying cover (230) above the liquid guide cylinder (220), and a spraying head for spraying furnace gas is arranged in the spraying cover (230); the upper end of the treatment tank (100) is provided with a furnace gas discharge pipe (102).
2. The yellow phosphorus furnace gas treatment plant of claim 1, characterized in that: the condensing mechanism comprises a filter plate (240), a rotatable rotating shaft (241) is arranged on the lower plate surface of the filter plate (240), and a plurality of condensing components (242) for condensing the furnace gas are axially arranged on the rotating shaft (241) along the rotating shaft (241); an air cylinder (250) which is in a conical cylinder shape and into which the lower end of the rotating shaft (241) extends is arranged below the filter plate (240) and above the spray cover (230), a collecting plate (310) with an L-shaped section is arranged on the lower end face of the air cylinder (250) along the circumferential direction of the air cylinder (250), and a collecting cavity for collecting condensate is formed between the collecting plate (310) and the side wall of the treatment cavity; a drain pipe (103) extending out of the treatment tank (100) is arranged below the gas cylinder (250), and a guide pipe (311) for guiding the condensate in the collection cavity into the drain pipe (103) is arranged on the collection plate (310).
3. The yellow phosphorus furnace gas treatment plant of claim 2, characterized in that: a first fixing block (320) is arranged on the lower plate surface of the filter plate (240), a first cavity (321) is arranged in the first fixing block (320), a rotating shaft (241) penetrates through the first cavity (321) to be arranged, a condensing agent liquid inlet pipe (104) communicated with the first cavity (321) is arranged outside the treatment tank (100), a second fixing block (330) positioned below the gas guide cylinder (250) is arranged on the collection plate (310) through a support rod (312), a second cavity (331) into which the lower end of the rotating shaft (241) extends is arranged in the second fixing block (330), a condensing agent liquid outlet pipe (105) communicated with the second cavity (331) is arranged outside the treatment tank (100), and a flow channel (341) communicated with the second cavity (331) is arranged in the rotating shaft (241); the condensation assembly (242) comprises a plurality of U-shaped condensation pipes (350) with two ends communicated with the flow channels (341), the condensation pipes (350) are uniformly distributed along the circumferential direction of the rotating shaft (241), partition plates (342) are arranged in the flow channels (341) and between openings at two ends of the condensation pipes (350), and the partition plates (342) are used for guiding the condensate (350) into the condensation pipes (350) and flowing into the flow channels (341).
4. The yellow phosphorus furnace gas treatment plant of claim 3, characterized in that: condenser pipe (350) all incline to set up on pivot (241), and condenser pipe (350) symmetry between adjacent condensing assembly (242) sets up, is equipped with fin (351) between condenser pipe (350), and fin (351) that lie in between pivot (241) bottommost condenser pipe (350) are used for upwards blowing the burner gas.
5. The yellow phosphorus furnace gas treatment plant of claim 4, characterized in that: be equipped with between adjacent condensation subassembly (242) and be used for collecting collection mechanism (243) of condensate, collect mechanism (243) and include a plurality of baffle (410) that radially set up and link firmly on pivot (241) along pivot (241), baffle (410) are located between corresponding condenser pipe (350), and the equal bending is equipped with on the upper and lower both ends face of baffle (410) and supplies on baffle (410) the corresponding face condensate to flow into and the cross-section is scroll-like collection tube (411).
6. The yellow phosphorus furnace gas treatment plant of claim 5, characterized in that: the baffle (410) is provided with a mounting groove (511) along the length direction of the baffle (410), the mounting groove (511) is internally hinged with a mounting block (710), the collecting cylinder (411) is arranged on two side surfaces of the mounting block (710), the opposite side surfaces of the mounting groove (511) are relatively provided with a hinge hole (512) positioned in the middle, and the mounting block (710) is provided with a hinge shaft (711) extending into the corresponding hinge hole (512); a sliding cavity (611) located below the hinge hole (512) is formed in the baffle (410) along the length direction of the baffle (410), a limiting sliding groove (513) communicated with the mounting groove (511) is formed in the side wall of the sliding cavity (611) along the length direction of the sliding cavity (611), a sliding block (620) capable of sliding is arranged in the sliding cavity (611), and a sliding column (621) penetrating through the limiting sliding groove (513) and extending into the mounting groove (511) is arranged on the sliding block (620); be equipped with recess (712) that supplies traveller (621) to stretch into on installation piece (710), be equipped with in recess (712) with traveller (621) matched with inclined plane, baffle (410) rotate drive slider (620) and move to slip chamber (611) and keep away from hinge hole (512) one end and be used for driving traveller (621) extrusion inclined plane drive installation piece (710) horizontal arrangement in mounting groove (511), be equipped with in slip chamber (611) and be used for drive slider (620) to move to slip chamber (611) spring (630) that is close to hinge hole (512) one end.
7. The yellow phosphorus furnace gas treatment plant of claim 2, characterized in that: the filter plate (240) is provided with a motor (242) for driving the rotating shaft (241) to rotate.
8. A yellow phosphorus furnace gas treatment method, which uses the yellow phosphorus furnace gas treatment equipment of any one of claims 1 to 7, and comprises the following steps:
s1, adding the raw materials such as phosphate rock, coke and the like into a yellow phosphorus electric furnace;
s2, preparing a yellow phosphorus crude product in furnace gas yellow phosphorus furnace gas treatment equipment generated by the electric furnace in the S1;
s3, refining the crude yellow phosphorus product obtained in S2 to obtain the yellow phosphorus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202111677217.2A CN114367124B (en) | 2021-12-31 | 2021-12-31 | Yellow phosphorus furnace gas treatment equipment and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111677217.2A CN114367124B (en) | 2021-12-31 | 2021-12-31 | Yellow phosphorus furnace gas treatment equipment and method |
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| CN114367124A true CN114367124A (en) | 2022-04-19 |
| CN114367124B CN114367124B (en) | 2023-02-10 |
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Citations (23)
| Publication number | Priority date | Publication date | Assignee | Title |
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