CN116236989B - Tin tetrachloride reaction device - Google Patents
Tin tetrachloride reaction device Download PDFInfo
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- CN116236989B CN116236989B CN202211706414.7A CN202211706414A CN116236989B CN 116236989 B CN116236989 B CN 116236989B CN 202211706414 A CN202211706414 A CN 202211706414A CN 116236989 B CN116236989 B CN 116236989B
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- pipe
- composite tank
- fixedly connected
- chlorine
- liquid
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- 229910021627 Tin(IV) chloride Inorganic materials 0.000 title claims abstract description 73
- HPGGPRDJHPYFRM-UHFFFAOYSA-J tin(iv) chloride Chemical compound Cl[Sn](Cl)(Cl)Cl HPGGPRDJHPYFRM-UHFFFAOYSA-J 0.000 title claims abstract description 73
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 55
- 239000007788 liquid Substances 0.000 claims abstract description 107
- 239000002131 composite material Substances 0.000 claims abstract description 104
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims abstract description 69
- 239000000460 chlorine Substances 0.000 claims abstract description 69
- 229910052801 chlorine Inorganic materials 0.000 claims abstract description 69
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims abstract description 59
- 238000002360 preparation method Methods 0.000 claims abstract description 21
- 239000002699 waste material Substances 0.000 claims abstract description 12
- 238000002347 injection Methods 0.000 claims abstract description 10
- 239000007924 injection Substances 0.000 claims abstract description 10
- 238000009413 insulation Methods 0.000 claims description 58
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 34
- 238000009423 ventilation Methods 0.000 claims description 27
- 239000000498 cooling water Substances 0.000 claims description 26
- 238000007789 sealing Methods 0.000 claims description 24
- 239000000463 material Substances 0.000 claims description 21
- 238000007599 discharging Methods 0.000 claims description 19
- 238000001816 cooling Methods 0.000 claims description 10
- 238000001514 detection method Methods 0.000 claims description 8
- 230000002093 peripheral effect Effects 0.000 claims description 8
- 230000000903 blocking effect Effects 0.000 claims description 3
- 210000001503 joint Anatomy 0.000 claims description 3
- 230000005855 radiation Effects 0.000 claims 1
- 150000001875 compounds Chemical class 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000000007 visual effect Effects 0.000 abstract description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 abstract 1
- 235000017491 Bambusa tulda Nutrition 0.000 abstract 1
- 241001330002 Bambuseae Species 0.000 abstract 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 abstract 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 abstract 1
- 235000011941 Tilia x europaea Nutrition 0.000 abstract 1
- 239000011425 bamboo Substances 0.000 abstract 1
- 239000004571 lime Substances 0.000 abstract 1
- 238000009833 condensation Methods 0.000 description 12
- 230000005494 condensation Effects 0.000 description 12
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 6
- 230000017525 heat dissipation Effects 0.000 description 4
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 150000003606 tin compounds Chemical class 0.000 description 3
- 241000446313 Lamella Species 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000012760 heat stabilizer Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000003303 reheating Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- 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
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0053—Details of the reactor
-
- 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
- B01D5/0057—Condensation of vapours; Recovering volatile solvents by condensation in combination with other processes
-
- 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
- B01D5/0078—Condensation of vapours; Recovering volatile solvents by condensation characterised by auxiliary systems or arrangements
- B01D5/009—Collecting, removing and/or treatment of the condensate
-
- 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
- B01J10/00—Chemical processes in general for reacting liquid with gaseous media other than in the presence of solid particles, or apparatus specially adapted therefor
- B01J10/005—Chemical processes in general for reacting liquid with gaseous media other than in the presence of solid particles, or apparatus specially adapted therefor carried out at high temperatures in the presence of a molten material
-
- 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
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0006—Controlling or regulating processes
- B01J19/002—Avoiding undesirable reactions or side-effects, e.g. avoiding explosions, or improving the yield by suppressing side-reactions
-
- 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
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/24—Stationary reactors without moving elements inside
-
- 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
- B01J4/00—Feed or outlet devices; Feed or outlet control devices
- B01J4/001—Feed or outlet devices as such, e.g. feeding tubes
- B01J4/007—Feed or outlet devices as such, e.g. feeding tubes provided with moving parts
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G19/00—Compounds of tin
- C01G19/04—Halides
- C01G19/08—Stannic chloride
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention discloses a tin tetrachloride reaction device, which relates to the technical field of tin tetrachloride preparation and comprises a reaction kettle, wherein the reaction kettle is provided with a composite tank, the inner cavity of the composite tank is divided into a collecting cavity positioned above and a preparation cavity positioned below, and a top cover is connected with a flange at the top of the composite tank. This stannic chloride reaction unit, before deriving liquid stannic chloride through the passage, through the guide cooperation of injection stopper and catheter, pour into right amount of liquid tin into the liquid pipe, realize the thorough consumption to the interior residual chlorine of compound jar, take place chlorine and reveal when preventing to open the passage, guarantee staff's life safety, realize the high-efficient utilization to chlorine resource, through the mode that double piston pole removed in the return bend section of thick bamboo, carry out visual processing with the interior residual chlorine content of compound jar, change traditional lime wash and absorb the resource waste mode of residual chlorine, realize the make full use of to chlorine, reduce manufacturing cost.
Description
Technical Field
The invention relates to the technical field of tin tetrachloride preparation, in particular to a tin tetrachloride reaction device.
Background
Tin tetrachloride is a chemical product, is a main raw material for preparing an organic tin compound, is mainly used for preparing PVC products and is used as a raw material of a heat stabilizer, and along with the gradual increase of the demand of the PVC products and the heat stabilizer, the demand of the organic tin compound and the main raw material tin tetrachloride for preparing the organic tin compound is gradually increased, in the preparation process of the tin tetrachloride, a tin ingot is directly added into a tin adding port in a reaction kettle, continuous production is carried out through continuous tin adding, the tin ingot is melted into liquid tin through heating, or the melted liquid tin is directly added into the tin tetrachloride reaction kettle; chlorine is continuously introduced into the tin tetrachloride reaction kettle, a chlorine inlet of the tin tetrachloride reaction kettle is below the liquid tin liquid level, the chlorine reacts with molten liquid tin to generate gaseous tin tetrachloride, and as the reaction of the chlorine and the tin is exothermic, no reheating is needed in the reaction process, the gaseous-liquid reaction of the chlorine and the liquid tin is realized, a tin ingot is continuously added from a tin adding port according to the reaction condition, the tin is continuously melted by utilizing the heat released in the reaction process of the chlorine and the tin, the reaction temperature is controlled by controlling the chlorine adding speed, and the gaseous tin tetrachloride generated in the tin tetrachloride reaction kettle is introduced into a condenser to recover the tin tetrachloride liquid.
However, in the gaseous-liquid reaction preparation process of stannic chloride, residual chlorine in the inner cavity of the composite tank cannot be also participated in the reaction for recovery, and most of the residual chlorine is dissolved by lime water to cause the waste of chlorine resources and increase the production cost.
Disclosure of Invention
In order to solve the technical problems, the invention provides a tin tetrachloride reaction device, which comprises a reaction kettle, a reaction device and a reaction device, wherein the reaction kettle is provided with a composite tank, the inner cavity of the composite tank is divided into a collecting cavity positioned above and a preparation cavity positioned below, the top flange of the composite tank is connected with a top cover, and a discharge assembly fixedly connected inside the composite tank is used for outputting liquid tin tetrachloride;
The condensation assembly is provided with a heat insulation top fixedly connected in a collecting cavity in the composite tank, a dome cover is fixedly connected in the collecting cavity in the composite tank, a cooling water cavity is reserved between the heat insulation top and the dome cover and used for collecting gaseous tin tetrachloride, and a guide belt fixedly connected to the bottom of the dome cover is used for guiding the condensed liquid tin tetrachloride;
The collecting assembly is provided with a heat insulating plate, the heat insulating plate is embedded and installed in the composite tank through square blocks at the side, the square blocks are fixedly connected with the heat insulating plate, a collecting pocket is fixedly connected with the inner side of the heat insulating plate and used for collecting tin tetrachloride of liquid with guide flow, and the dome cover is matched with the collecting pocket through guide belt matching;
The charging pipe fitting is provided with an external pipe, and the external pipe sequentially penetrates through the top cover, the heat insulation top, the dome cover, the heat insulation plate, the collecting pocket and the preparation cavity which penetrates through the collecting pocket and stretches into the inner side of the composite tank, and the internal part of the external pipe is provided with a material dropping pipe for conveying molten liquid tin.
Preferably, the inner wall of the composite tank is provided with a water cooling cavity and is communicated with the cooling water cavity, one side of the outer surface of the composite tank, which is close to the discharging component, is fixedly connected with a water inlet pipe, one side of the outer surface of the composite tank, which is far away from the discharging component, is fixedly connected with a water outlet pipe, the height of the water inlet pipe is lower than that of the water outlet pipe, and the bottom of the composite tank is fixedly connected with a waste residue pipe for discharging waste residues.
Preferably, one side of the outer surface of the composite tank, which is far away from the discharging component, is fixedly connected with a chlorine pipe, the chlorine pipe is arranged under the water outlet pipe, and is used for introducing chlorine into the composite tank, wherein the part of the chlorine pipe extending into the composite tank is provided with an air outlet groove, the opening of the air outlet groove is arranged towards the bottom of the inner side of the composite tank, and the butt joint end of the chlorine pipe is provided with a one-way valve for controlling the unidirectional transportation of the chlorine into the composite tank.
Preferably, the discharging component comprises a ventilation tube fixedly connected to the outer surface of the composite tank, the ventilation tube is located under the water outlet pipe, a material guiding pipe is sleeved on the inner side of the ventilation tube, one end of the material guiding pipe extending into the composite tank is fixedly connected with an inclined guide pipe, the top of the inclined guide pipe is fixedly connected with the bottom of the collecting pocket, a ventilation opening is formed in one end, far away from the inclined guide pipe, of the ventilation tube, and a peripheral sleeve is fixedly connected with one end, close to the inclined guide pipe, of the ventilation tube.
Preferably, the top of the heat insulation roof is fixedly connected with a sealing cover, the top of the dome cover is fixedly connected with a bulge part in a circular array, and the external pipe is installed with the heat insulation roof in a sealing way through the sealing cover.
Preferably, a heat insulation cavity is formed between the heat insulation plate and the collecting bag, a plurality of gaps are formed between the side of the top of the heat insulation plate and the inner wall of the composite tank, the bottom of the collecting bag is fixedly connected with a sheet plate in a circular array, the heat dissipation area is enlarged, and the heat insulation cavity is communicated with the outside atmosphere through the joint cooperation of a peripheral sleeve connected with one end of the air exchanging cylinder, the air exchanging cylinder and the air exchanging port.
Preferably, the compound jar surface is equipped with the detection component, the detection component is including wholly being the curved tube of transparency, and curved tube has vertical pipe and corner pipe, the corner pipe department of curved tube is connected with the catheter, catheter surface is connected with the injection stopper for inject molten liquid tin to the catheter in, curved tube surface mark has the scale mark.
Preferably, the outer surface of the liquid guide tube is sleeved with a sealing cylinder, the sealing cylinder is fixedly connected to the outer surface of the composite tank, and one end, far away from the liquid guide tube, of the sealing cylinder is fixedly connected with a liquid containing tube for horizontally containing molten liquid tin and absorbing residual chlorine by utilizing the liquid tin.
Preferably, a double piston rod is arranged in the vertical pipe of the bent pipe barrel, a single piston rod is arranged in the corner pipe of the bent pipe barrel and used for blocking liquid tin flowing backwards, the double piston rod is connected with the bent pipe barrel in a bouncing way through a spring, and the single piston rod is arranged in the corner pipe of the bent pipe barrel in a telescoping way through a telescoping elastic rod.
Preferably, the inside top fixedly connected with seal ring of external pipe, fall material pipe surface below fixedly connected with connecting block, fall the material pipe and cup joint with external pipe through connecting block and seal ring cooperation.
The invention provides a tin tetrachloride reaction device. The beneficial effects are as follows:
1. This stannic chloride reaction unit, before deriving liquid stannic chloride through the passage, through the guide cooperation of injection stopper and catheter, pour into right amount liquid tin into the liquid pipe, utilize the tin that is in liquid state, tin under than solid state fully contact reaction with chlorine more easily, realize the thorough consumption to the residual chlorine in the compound jar, prevent to take place chlorine leakage when opening the passage, guarantee operational environment's safety, and through carrying liquid tin and the absorption and the reaction of residual chlorine, realize the high-efficient utilization to chlorine resource.
2. According to the tin tetrachloride reaction device, the residual chlorine content in the composite tank is subjected to visual treatment in a mode that the double piston rods move in the bent pipe barrel, so that the traditional resource waste mode that lime water absorbs residual chlorine is changed, the full utilization of the chlorine is realized, and the production cost is reduced.
3. This stannic chloride reaction unit, through the outlet pipe flange joint with the cooling water on the inlet tube of compound jar, with the wet return flange joint of cooling water on the outlet pipe of compound jar, carry into the heat insulation roof with the cooling water chamber is left between dome cover with the cooling water through the water-cooling chamber in for the cooling water forms a cooling water layer between heat insulation roof and dome cover, condenses the gaseous stannic chloride who gathers on the dome cover surface, then collects in the collecting pocket through the guide belt, with liquid stannic chloride unified guidance, can collect the stannic chloride while preparing condensation.
4. According to the tin tetrachloride reaction device, heat in the preparation cavity is blocked through the heat insulation plate, and liquid tin tetrachloride condensed through cooling of the condensation component is collected through the collection pocket while the collection pocket is prevented from being directly heated; wherein, cavity between heat insulating board and the collection pocket: the heat insulation cavity is communicated with the outside atmosphere through the peripheral sleeve, the air exchanging cylinder and the air exchanging port in a co-cooperation mode, so that the heat insulation plate can conduct flowing heat dissipation with the outside air through the heat insulation cavity; and collect the pocket with the help of the lamella of its bottom, increase heat radiating area, further prevent to collect the local heat accumulation of pocket, be convenient for collect liquid stannic chloride fast.
Drawings
FIG. 1 is a schematic cross-sectional view of a composite tank of the present invention;
FIG. 2 is a schematic diagram showing the external structure of a tin tetrachloride reaction device according to the present invention;
FIG. 3 is a schematic view of a heat insulating roof according to the present invention;
FIG. 4 is a schematic view of the internal structure of the composite tank of the present invention;
FIG. 5 is a schematic view of the structure of the discharge assembly of the present invention;
FIG. 6 is a schematic view of the structure of the external pipe of the present invention;
FIG. 7 is a schematic view of the structure of the heat shield of the present invention;
FIG. 8 is a schematic view of the structure of the sheet of the present invention;
FIG. 9 is a schematic diagram of an assembled structure of the detection assembly of the present invention;
fig. 10 is a schematic view of the internal structure of the crimp barrel of the present invention.
In the figure: 100. a reaction kettle; 101. a composite tank; 102. a top cover; 103. a water cooling cavity; 104. a discharge assembly; 1041. a gas cylinder; 1042. a ventilation port; 1043. a material guiding pipe; 1044. an inclined conduit; 105. a waste residue pipe; 106. a chlorine pipe; 200. a feeding pipe fitting; 201. an external pipe; 202. a blanking pipe; 203. sealing rings; 204. a connecting block; 300. a condensing assembly; 301. a heat insulating roof; 302. a dome cover; 303. a sealing cover; 304. a guide belt; 400. a collection assembly; 401. a heat insulating plate; 402. a collection pocket; 403. a heat insulating chamber; 404. a sheet plate; 500. a detection assembly; 501. a crimp barrel; 502. a catheter; 503. an injection plug; 504. a sealing cylinder; 505. a liquid containing tube; 506. a double piston rod; 507. a single piston rod.
Detailed Description
Example 1
Referring to fig. 1 to 10, the present invention provides a technical solution: the tin tetrachloride reaction device comprises a reaction kettle 100, a composite tank 101, a collecting cavity and a preparation cavity, wherein the inner cavity of the composite tank 101 is divided into the collecting cavity positioned at the upper part and the preparation cavity positioned at the lower part, the collecting cavity is used for providing a reaction space for the reaction of chlorine and liquid tin which is melted in advance, the top of the composite tank 101 is connected with a top cover 102 in a flange manner, and a discharging component 104 is fixedly connected inside the composite tank 101 and is used for outputting liquid tin tetrachloride;
The condensation assembly 300 is provided with a heat insulation top 301 fixedly connected in a collecting cavity in the composite tank 101, a dome cover 302 is fixedly connected in the collecting cavity in the composite tank 101, a cooling water cavity is reserved between the heat insulation top 301 and the dome cover 302 and is used for collecting gaseous tin tetrachloride, and a guide belt 304 is fixedly connected to the bottom of the dome cover 302 and is used for guiding the condensed liquid tin tetrachloride; the top of the heat insulation top 301 is fixedly connected with a sealing cover 303, the top of the dome cover 302 is fixedly connected with a bulge part in a circular array, and the external pipe 201 is in sealing installation with the heat insulation top 301 through the sealing cover 303; the water outlet pipe flange of the cooling water is connected to the water inlet pipe of the composite tank 101, the water return pipe flange of the cooling water is connected to the water outlet pipe of the composite tank 101, the cooling water is conveyed into the cooling water cavity between the heat insulation top 301 and the dome cover 302 through the water cooling cavity 103, so that the cooling water forms a cooling water layer between the heat insulation top 301 and the dome cover 302, gaseous tin tetrachloride collected on the surface of the dome cover 302 is condensed, and then the liquid tin tetrachloride is uniformly guided into the collecting pocket 402 to be collected through the guiding belt 304, so that the tin tetrachloride can be prepared and condensed and collected;
The collecting assembly 400 is provided with a heat insulating plate 401, the heat insulating plate 401 is embedded and installed in the composite tank 101 through square blocks at the side, the square blocks are fixedly connected with the heat insulating plate 401, a collecting pocket 402 is fixedly connected to the inner side of the heat insulating plate 401, tin tetrachloride of liquid guided by a guiding belt 304 is collected, and a dome cover 302 is matched with the collecting pocket 402 through the guiding belt 304; a heat insulation cavity 403 is formed between the heat insulation plate 401 and the collecting bag 402, a plurality of gaps are formed between the side of the top of the heat insulation plate 401 and the inner wall of the composite tank 101, the bottom of the collecting bag 402 is fixedly connected with a sheet 404 in a circular array, the heat dissipation area is enlarged, and the heat insulation cavity 403 is communicated with the outside atmosphere through the cooperation of a peripheral sleeve connected with one end of a ventilation tube 1041, the ventilation tube 1041 and a ventilation opening 1042;
The feeding pipe fitting 200 is provided with an external pipe 201, the external pipe 201 sequentially penetrates through the top cover 102, the heat insulation top 301, the dome cover 302, the heat insulation plate 401, the collecting pocket 402 and the collecting pocket 402 to extend into a preparation cavity on the inner side of the composite tank 101, and the external pipe 201 is internally provided with a material dropping pipe 202 for conveying molten liquid tin.
In use, the heat in the preparation cavity is blocked by the heat insulation plate 401, and the liquid tin tetrachloride condensed by cooling of the condensation assembly 300 is collected by the collection pocket 402 while the collection pocket 402 is prevented from being directly heated; wherein, the cavity between the heat insulating plate 401 and the collecting bag 402: the heat insulation cavity 403 is communicated with the outside atmosphere through the outer peripheral sleeve, the ventilation cylinder 1041 and the ventilation port 1042 in a co-operation mode, so that the heat insulation plate 401 can perform flowing heat dissipation with the outside air through the heat insulation cavity 403; and collect pocket 402 with the help of its bottom lamella 404, increase heat radiating area, further prevent to collect the local heat accumulation of pocket 402, be convenient for collect liquid stannic chloride fast.
Example 2
As shown in fig. 1 to 10, the reactor comprises a reaction kettle 100, a composite tank 101, wherein the inner cavity of the composite tank 101 is divided into a collecting cavity positioned at the upper part and a preparation cavity positioned at the lower part, the top of the composite tank 101 is connected with a top cover 102 in a flange manner, and a discharging component 104 is fixedly connected inside the composite tank 101 and is used for outputting liquid tin tetrachloride; the condensation assembly 300 is provided with a heat insulation top 301 fixedly connected in a collecting cavity in the composite tank 101, a dome cover 302 is fixedly connected in the collecting cavity in the composite tank 101, a cooling water cavity is reserved between the heat insulation top 301 and the dome cover 302 and is used for collecting gaseous tin tetrachloride, and a guide belt 304 is fixedly connected to the bottom of the dome cover 302 and is used for guiding the condensed liquid tin tetrachloride;
the collecting assembly 400 is provided with a heat insulating plate 401, the heat insulating plate 401 is embedded and installed in the composite tank 101 through square blocks at the side, the square blocks are fixedly connected with the heat insulating plate 401, a collecting pocket 402 is fixedly connected to the inner side of the heat insulating plate 401, tin tetrachloride of liquid guided by a guiding belt 304 is collected, and a dome cover 302 is matched with the collecting pocket 402 through the guiding belt 304;
The feeding pipe fitting 200 is provided with an external pipe 201, the external pipe 201 sequentially penetrates through the top cover 102, the heat insulation top 301, the dome cover 302, the heat insulation plate 401 and the collecting pocket 402 and penetrates through the collecting pocket 402 to extend into a preparation cavity at the inner side of the composite tank 101, and a material dropping pipe 202 is arranged in the external pipe 201 and used for conveying molten liquid tin;
the outer surface of the composite tank 101 is provided with a detection assembly 500, the detection assembly 500 comprises an integrally transparent bent tube 501, the bent tube 501 is provided with a vertical tube and a corner tube, a liquid guide tube 502 is connected to the corner tube of the bent tube 501, the outer surface of the liquid guide tube 502 is connected with an injection plug 503 for injecting molten liquid tin into the liquid guide tube 502, and graduation marks are marked on the surface of the bent tube 501; the outer surface of the liquid guide pipe 502 is sleeved with a sealing cylinder 504, the sealing cylinder 504 is fixedly connected to the outer surface of the composite tank 101, and one end of the sealing cylinder 504, which is far away from the liquid guide pipe 502, is fixedly connected with a liquid containing pipe 505 for horizontally containing molten liquid tin and absorbing residual chlorine by utilizing the liquid tin; a double piston rod 506 is arranged in a vertical pipe of the bent pipe barrel 501, a single piston rod 507 is arranged in a corner pipe of the bent pipe barrel 501 and used for blocking liquid tin flowing back, the double piston rod 506 is connected with the bent pipe barrel 501 in a spring, and the single piston rod 507 is arranged in the corner pipe of the bent pipe barrel 501 in a telescopic manner through a telescopic elastic rod.
Before liquid tin tetrachloride is led out through the material guide pipe 1043, a proper amount of liquid tin is injected into the liquid containing pipe 505 through the guiding cooperation of the injection plug 503 and the liquid guide pipe 502, tin in a liquid state is utilized to be more easily in contact with chlorine gas than tin in a solid state for reaction, residual chlorine gas existing in the inner cavity of the composite tank 101 is completely consumed until the double piston rod 506 stops conveying the liquid tin into the liquid containing pipe 505 through the injection plug 503 when the double piston rod 506 is not moving in the bent pipe 501, so that the complete consumption of the residual chlorine gas in the composite tank 101 is realized, the leakage of the chlorine gas is prevented when the material guide pipe 1043 is opened, the safety of the working environment is ensured, the life safety of workers is ensured, and the efficient utilization of chlorine gas resources is realized through the absorption and the reaction of the conveying of the liquid tin and the residual chlorine gas; the residual chlorine content in the composite tank 101 is subjected to visual treatment by moving the double piston rods 506 in the bent pipe barrel 501, so that the traditional resource waste mode of absorbing residual chlorine by lime water is changed, the full utilization of the chlorine is realized, and the production cost is reduced; at this time, the valve on the material pipe 1043 can be opened to output and store the liquid tin tetrachloride collected by cooling.
Example 3
As shown in fig. 1 to 10, the reactor comprises a reaction kettle 100, a composite tank 101, wherein the inner cavity of the composite tank 101 is divided into a collecting cavity positioned at the upper part and a preparation cavity positioned at the lower part, the top of the composite tank 101 is connected with a top cover 102 in a flange manner, and a discharging component 104 is fixedly connected inside the composite tank 101 and is used for outputting liquid tin tetrachloride; the inner wall of the composite tank 101 is provided with a water cooling cavity 103 which is communicated with the cooling water cavity, one side of the outer surface of the composite tank 101, which is close to the discharging component 104, is fixedly connected with a water inlet pipe, one side of the outer surface of the composite tank 101, which is far away from the discharging component 104, is fixedly connected with a water outlet pipe, the height of the water inlet pipe is lower than that of the water outlet pipe, and the bottom of the composite tank 101 is fixedly connected with a waste residue pipe 105 for discharging waste residues.
A chlorine pipe 106 is fixedly connected to one side, far away from the discharging component 104, of the outer surface of the composite tank 101, the chlorine pipe 106 is arranged right below the water outlet pipe, the chlorine pipe 106 is used for introducing chlorine into the composite tank 101, an air outlet groove is formed in the part, extending into the composite tank 101, of the chlorine pipe 106, an opening of the air outlet groove faces to the bottom of the inner side of the composite tank 101, and a one-way valve is arranged at the butt joint end of the chlorine pipe 106 and used for controlling unidirectional transportation of the chlorine into the composite tank 101; through adding molten liquid tin into the preparation cavity in the composite tank 101 through the material dropping pipe 202, after the liquid tin is over the air outlet groove at the tail end of the chlorine pipe 106, chlorine can be introduced through the chlorine pipe 106, full contact and reaction between the chlorine and the liquid tin are realized through introducing the chlorine into the bottom of the liquid tin, continuous reaction is realized through utilizing the heat release of the reaction of the chlorine and the liquid tin, the temperature of the reaction is controlled by controlling the speed of inputting the chlorine, the gaseous tin tetrachloride generated by the reaction is collected to the bottom of the dome cover 302 through a gap between the heat insulation plate 401 and the composite tank 101, and the gaseous tin tetrachloride is converted into the liquid tin tetrachloride under the condensation action of the condensation component 300 and is collected into the collecting bag 402.
The discharging component 104 comprises a ventilation tube 1041 fixedly connected to the outer surface of the composite tank 101, the ventilation tube 1041 is positioned under the water outlet tube, a guide tube 1043 is sleeved on the inner side of the ventilation tube 1041, one end of the guide tube 1043 extending into the composite tank 101 is fixedly connected with an inclined guide tube 1044, the top of the inclined guide tube 1044 is fixedly connected with the bottom of the collecting bag 402, the inner side of the collecting bag 402 is communicated with the guide tube 1043 through the inclined guide tube 1044, valves are arranged on the water inlet tube, the water outlet tube, the guide tube 1043, the material dropping tube 202 and the waste residue tube 105 and used for controlling the opening and closing of corresponding pipelines, a ventilation opening 1042 is formed in one end of the ventilation tube 1041, which is far away from the inclined guide tube 1044, and a peripheral sleeve is fixedly connected with one end of the ventilation tube 1041, which is close to the inclined guide tube 1044;
The condensation assembly 300 is provided with a heat insulation top 301 fixedly connected in a collecting cavity in the composite tank 101, a dome cover 302 is fixedly connected in the collecting cavity in the composite tank 101, a cooling water cavity is reserved between the heat insulation top 301 and the dome cover 302 and is used for collecting gaseous tin tetrachloride, and a guide belt 304 is fixedly connected to the bottom of the dome cover 302 and is used for guiding the condensed liquid tin tetrachloride;
the collecting assembly 400 is provided with a heat insulating plate 401, the heat insulating plate 401 is embedded and installed in the composite tank 101 through square blocks at the side, the square blocks are fixedly connected with the heat insulating plate 401, a collecting pocket 402 is fixedly connected to the inner side of the heat insulating plate 401, tin tetrachloride of liquid guided by a guiding belt 304 is collected, and a dome cover 302 is matched with the collecting pocket 402 through the guiding belt 304;
The feeding pipe fitting 200 is provided with an external pipe 201, the external pipe 201 sequentially penetrates through the top cover 102, the heat insulation top 301, the dome cover 302, the heat insulation plate 401 and the collecting pocket 402 and penetrates through the collecting pocket 402 to extend into a preparation cavity at the inner side of the composite tank 101, and a material dropping pipe 202 is arranged in the external pipe 201 and used for conveying molten liquid tin; the top of the inner side of the external pipe 201 is fixedly connected with a sealing ring 203, a connecting block 204 is fixedly connected below the outer surface of the material dropping pipe 202, and the material dropping pipe 202 is sleeved with the external pipe 201 through the cooperation of the connecting block 204 and the sealing ring 203.
When the tin condensation device is used, the external pipe 201 sequentially penetrates through the top cover 102, the heat insulation top 301, the dome cover 302, the heat insulation plate 401 and the collection pocket 402 and penetrates through the collection pocket 402 to extend into the preparation cavity on the inner side of the composite tank 101, and the external pipe 201 is utilized to isolate the liquid tin conveying and melting ground falling pipe 202 from the heat insulation top 301, the dome cover 302, the heat insulation plate 401 and the collection pocket 402, so that the heat of liquid tin is prevented from directly interfering the condensation process of the condensation assembly 300 on gaseous tin tetrachloride;
the liquid tin tetrachloride collected inside the collection pocket 402 is guided into the guide pipe 1043 through the inclined guide pipe 1044, and in the case that it is determined that the chlorine reaction inside the composite tank 101 is complete, the liquid tin tetrachloride is outputted and stored by opening a valve on the guide pipe 1043.
Working principle: after vacuumizing the interior of the composite tank 101, connecting a water outlet pipe flange of cooling water to a water inlet pipe of the composite tank 101, connecting a water return pipe flange of the cooling water to a water outlet pipe of the composite tank 101, and conveying the cooling water into a cooling water cavity between the heat insulation top 301 and the dome cover 302 through the water cooling cavity 103, so that the cooling water forms a cooling water layer between the heat insulation top 301 and the dome cover 302; then adding melted liquid tin into a preparation cavity in the composite tank 101 through a material dropping pipe 202, introducing chlorine through a chlorine pipe 106 when the liquid tin passes through an air outlet groove at the tail end of a chlorine pipe 106, realizing full contact and reaction between the chlorine and the liquid tin in a mode of introducing the chlorine into the bottom of the liquid tin, realizing continuous reaction by utilizing heat release of the reaction of the chlorine and the liquid tin, controlling the reaction temperature by controlling the speed of inputting the chlorine, and collecting gaseous tin tetrachloride generated by the reaction into the bottom of a dome cover 302 through a gap between a heat insulation plate 401 and the composite tank 101; condensing the gaseous tin tetrachloride collected on the surface of the dome cover 302, uniformly guiding the liquid tin tetrachloride to the collecting pocket 402 for collecting through the guiding belt 304, and guiding the liquid tin tetrachloride collected inside the collecting pocket 402 to the guiding pipe 1043 through the inclined guide pipe 1044;
Before the liquid tin tetrachloride is led out, a proper amount of liquid tin is injected into the liquid containing pipe 505 through the guiding cooperation of the injection plug 503 and the liquid guiding pipe 502, the tin in the liquid state is more easy to fully contact and react with chlorine than the tin in the solid state, residual chlorine existing in the inner cavity of the composite tank 101 is consumed completely, until the double piston rod 506 does not move in the bent pipe barrel 501, the injection plug 503 stops conveying the liquid tin into the liquid containing pipe 505, then a valve on the liquid guiding pipe 1043 can be opened, and the cooled and collected liquid tin tetrachloride is output and stored.
It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art and which are included in the embodiments of the present invention without the inventive step, are intended to be within the scope of the present invention. Structures, devices and methods of operation not specifically described and illustrated herein, unless otherwise indicated and limited, are implemented according to conventional means in the art.
Claims (1)
1. A tin tetrachloride reaction device, comprising:
The reaction kettle (100) is provided with a composite tank (101), the inner cavity of the composite tank (101) is divided into a collecting cavity positioned above and a preparation cavity positioned below, the top flange of the composite tank (101) is connected with a top cover (102), and a discharging component (104) fixedly connected inside the composite tank (101) is used for outputting liquid tin tetrachloride;
The condensing assembly (300) is provided with a heat insulation top (301) fixedly connected in a collecting cavity in the composite tank (101), a dome cover (302) is fixedly connected in the collecting cavity in the composite tank (101), a cooling water cavity is reserved between the heat insulation top (301) and the dome cover (302) and is used for collecting gaseous tin tetrachloride, and a guide belt (304) is fixedly connected to the bottom of the dome cover (302) and is used for guiding the condensed liquid tin tetrachloride;
the collecting assembly (400) is provided with a heat insulating plate (401), the heat insulating plate (401) is embedded and installed in the composite tank (101) through a square block at the side, the square block is fixedly connected with the heat insulating plate (401), a collecting pocket (402) is fixedly connected to the inner side of the heat insulating plate (401), tin tetrachloride of liquid guided by a guiding belt (304) is collected, and a dome cover (302) is matched with the collecting pocket (402) through the guiding belt (304);
A water cooling cavity (103) is formed in the inner wall of the composite tank (101) and is communicated with the cooling water cavity, a water inlet pipe is fixedly connected to one side, close to the discharging component (104), of the outer surface of the composite tank (101), a water outlet pipe is fixedly connected to one side, far away from the discharging component (104), of the outer surface of the composite tank (101), the height of the water inlet pipe is lower than that of the water outlet pipe, and a waste residue pipe (105) is fixedly connected to the bottom of the composite tank (101) and used for discharging waste residues;
One side of the outer surface of the composite tank (101) far away from the discharging component (104) is fixedly connected with a chlorine pipe (106), the chlorine pipe (106) is arranged right below the water outlet pipe, and the chlorine pipe (106) is used for introducing chlorine into the composite tank (101), wherein an air outlet groove is formed in the part, extending into the composite tank (101), of the chlorine pipe (106), an opening of the air outlet groove faces to the bottom of the inner side of the composite tank (101), and a one-way valve is arranged at the butt joint end of the chlorine pipe (106) and used for controlling unidirectional transportation of the chlorine into the composite tank (101);
the discharging assembly (104) comprises a ventilation tube (1041) fixedly connected to the outer surface of the composite tank (101), the ventilation tube (1041) is positioned under the water outlet pipe, a material guide tube (1043) is sleeved on the inner side of the ventilation tube (1041), one end of the material guide tube (1043) extending into the composite tank (101) is fixedly connected with an inclined guide tube (1044), the top of the inclined guide tube (1044) is fixedly connected with the bottom of the collecting bag 402, a ventilation opening (1042) is formed in one end, far away from the inclined guide tube (1044), of the ventilation tube (1041), and a peripheral sleeve is fixedly connected with one end, close to the inclined guide tube (1044), of the ventilation tube (1041);
The top of the heat insulation roof (301) is fixedly connected with a sealing cover (303), and the top of the dome cover (302) is fixedly connected with a bulge part in a circular array;
A heat insulation cavity (403) is formed between the heat insulation plate (401) and the collecting bag (402), a plurality of gaps are formed between the side of the top of the heat insulation plate (401) and the inner wall of the composite tank (101), the bottom of the collecting bag (402) is fixedly connected with a sheet plate (404) in a circular array, the heat radiation area is enlarged, and the heat insulation cavity (403) is communicated with the outside atmosphere through the joint cooperation of a peripheral sleeve connected with one end of a ventilation cylinder (1041), the ventilation cylinder (1041) and a ventilation port (1042);
The detection assembly (500) is arranged on the outer surface of the composite tank (101), the detection assembly (500) comprises an integrally transparent bent pipe barrel (501), the bent pipe barrel (501) is provided with a vertical pipe and a corner pipe, a liquid guide pipe (502) is connected to the corner pipe of the bent pipe barrel (501), an injection plug (503) is connected to the outer surface of the liquid guide pipe (502) and used for injecting molten liquid tin into the liquid guide pipe (502), and graduation marks are marked on the surface of the bent pipe barrel (501);
The outer surface of the liquid guide pipe (502) is sleeved with a sealing cylinder (504), the sealing cylinder (504) is fixedly connected to the outer surface of the composite tank (101), one end, far away from the liquid guide pipe (502), of the sealing cylinder (504) is fixedly connected with a liquid containing pipe (505) for horizontally containing molten liquid tin and absorbing residual chlorine by utilizing the liquid tin;
A double piston rod (506) is arranged in a vertical pipe of the bent pipe barrel (501), a single piston rod (507) is arranged in a corner pipe of the bent pipe barrel (501) and used for blocking liquid tin flowing backwards, the double piston rod (506) is in spring connection with the bent pipe barrel (501) through a spring, and the single piston rod (507) is arranged in the corner pipe of the bent pipe barrel (501) in a telescopic manner through a telescopic elastic rod;
The charging pipe fitting (200) is provided with an external pipe (201), the external pipe (201) sequentially penetrates through the top cover (102), the heat insulation top (301), the dome cover (302), the heat insulation plate (401), the collecting pocket (402) and penetrates through the collecting pocket (402) to extend into a preparation cavity at the inner side of the composite tank (101), and a blanking pipe (202) is arranged in the external pipe (201) and is used for conveying melted liquid tin; the top of the inner side of the external pipe (201) is fixedly connected with a sealing ring (203), a connecting block (204) is fixedly connected below the outer surface of the material dropping pipe (202), and the material dropping pipe (202) is sleeved with the external pipe (201) through the cooperation of the connecting block (204) and the sealing ring (203);
the external pipe (201) is hermetically installed with the heat insulation top (301) through a sealing cover (303).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211706414.7A CN116236989B (en) | 2022-12-29 | 2022-12-29 | Tin tetrachloride reaction device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211706414.7A CN116236989B (en) | 2022-12-29 | 2022-12-29 | Tin tetrachloride reaction device |
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|---|---|---|---|---|
| GB1058348A (en) * | 1964-09-18 | 1967-02-08 | Stal Refrigeration Ab | Apparatus for separating a gaseous mixture by condensation |
| US5261963A (en) * | 1991-12-04 | 1993-11-16 | Howmet Corporation | CVD apparatus comprising exhaust gas condensation means |
| CN102180514A (en) * | 2011-03-05 | 2011-09-14 | 招远市松鹤化工有限公司 | Production process of tin tetrachloride |
| CN110559679A (en) * | 2019-09-09 | 2019-12-13 | 珠海格力电器股份有限公司 | Low-temperature condensation type oil mist catching structure and catcher |
| CN217163267U (en) * | 2022-02-21 | 2022-08-12 | 北川泰和新材料有限公司 | Gas-liquid separator for polyurethane curing agent reaction |
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2022
- 2022-12-29 CN CN202211706414.7A patent/CN116236989B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1058348A (en) * | 1964-09-18 | 1967-02-08 | Stal Refrigeration Ab | Apparatus for separating a gaseous mixture by condensation |
| US5261963A (en) * | 1991-12-04 | 1993-11-16 | Howmet Corporation | CVD apparatus comprising exhaust gas condensation means |
| CN102180514A (en) * | 2011-03-05 | 2011-09-14 | 招远市松鹤化工有限公司 | Production process of tin tetrachloride |
| CN110559679A (en) * | 2019-09-09 | 2019-12-13 | 珠海格力电器股份有限公司 | Low-temperature condensation type oil mist catching structure and catcher |
| CN217163267U (en) * | 2022-02-21 | 2022-08-12 | 北川泰和新材料有限公司 | Gas-liquid separator for polyurethane curing agent reaction |
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| CN116236989A (en) | 2023-06-09 |
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