CN113502397A - Continuous vulcanization production equipment - Google Patents
Continuous vulcanization production equipment Download PDFInfo
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- CN113502397A CN113502397A CN202110677956.5A CN202110677956A CN113502397A CN 113502397 A CN113502397 A CN 113502397A CN 202110677956 A CN202110677956 A CN 202110677956A CN 113502397 A CN113502397 A CN 113502397A
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
- C22B7/001—Dry processes
- C22B7/002—Dry processes by treating with halogens, sulfur or compounds thereof; by carburising, by treating with hydrogen (hydriding)
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B15/00—Obtaining copper
- C22B15/0002—Preliminary treatment
- C22B15/001—Preliminary treatment with modification of the copper constituent
- C22B15/0013—Preliminary treatment with modification of the copper constituent by roasting
- C22B15/0017—Sulfating or sulfiding roasting
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B15/00—Obtaining copper
- C22B15/0026—Pyrometallurgy
- C22B15/0054—Slag, slime, speiss, or dross treating
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B25/00—Obtaining tin
- C22B25/02—Obtaining tin by dry processes
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B25/00—Obtaining tin
- C22B25/06—Obtaining tin from scrap, especially tin scrap
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B30/00—Obtaining antimony, arsenic or bismuth
- C22B30/02—Obtaining antimony
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
- C22B7/04—Working-up slag
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B9/00—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals
- C22B9/02—Refining by liquating, filtering, centrifuging, distilling, or supersonic wave action including acoustic waves
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- 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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Abstract
The invention discloses continuous vulcanization production equipment which comprises a charging bin, a preheating feeder and a vulcanization reaction device which are sequentially connected, wherein the charging bin is provided with a vacuumizing port, a feeding port of the preheating feeder is connected with the charging bin, a discharging port of the preheating feeder is communicated with the vulcanization reaction device through a conveying pipe, and the preheating feeder realizes preheating of materials from the charging bin and continuous feeding of the materials to the vulcanization reaction device; the charging bin, the preheating feeder and the vulcanization reaction device are all of a closed structure, and vacuumizing is performed through a vacuumizing port, so that the charging bin, the preheating feeder and the vulcanization reaction device which are connected are in an anaerobic state on the whole; the production equipment is simple to operate, safe and controllable in process through two-stage heating treatment, realizes the continuity and automation of the vulcanizing process, ensures the utilization rate of the vulcanizing agent, improves the vulcanizing rate of metal, and has the characteristics of high efficiency and small environmental pollution.
Description
Technical Field
The invention relates to the technical field of nonferrous metallurgy equipment, in particular to continuous vulcanization production equipment.
Background
In recent years, with the rapid development of economy in China, the total amount of heavy metal waste residues is gradually enlarged, and a plurality of social, economic and environmental problems are caused, wherein the environmental pollution and resource waste caused by non-ferrous metal waste residues severely restrict the sustainable development of the non-ferrous metallurgy industry, so that the recovery of non-ferrous metals has great significance for fully utilizing resources, relieving the exhaustion of mineral resources and protecting the environment. At present, a vulcanization method is mainly used for converting heavy metals in waste residues into sulfides and then recovering the sulfides, but the problems of poor vulcanization rate and low metal recovery rate exist when the metal is recovered by vulcanization in the conventional vulcanization equipment.
The application number 201710802748.7 discloses a method for continuously vulcanizing sulfur slag, which comprises the steps of adding a vulcanizing agent according to the proportion of 1.0-1.2 times of the mole fraction of the vulcanizing agent required by the change of non-vulcanized tin, copper and other metal elements in the sulfur slag into a vulcanized state, then uniformly mixing the sulfur slag and the vulcanizing agent, putting the mixture into a closed container, sealing the container, carrying out pretreatment under the conditions of no oxygen and stirring at a heating control temperature of 200-320 ℃, keeping the conditions of no oxygen and stirring after the pretreatment is finished, heating to 320-400 ℃ to enable the material and the vulcanizing agent to reach a spontaneous reaction condition, and increasing the temperature of a system to 600-900 ℃ through heat released by a vulcanization reaction to enable the material to reach deep vulcanization. Compared with the traditional process, the process not only achieves the effect of separating tin and copper, but also can use the produced stannous sulfide as a novel material, the direct recovery rate of tin and copper is more than 98%, the recovery rate is more than 99%, and the existing equipment can not meet the requirements of the new process.
Disclosure of Invention
In order to solve the defects in the prior art, the inventor provides continuous vulcanization production equipment, which realizes the continuity and automation of the metal vulcanization process, has simple equipment operation and safe and controllable process, and has the characteristics of high efficiency, high recovery rate, small environmental pollution and the like.
Specifically, the present invention is realized by:
a continuous vulcanization production device comprises a charging bin, a preheating feeder and a vulcanization reaction device which are sequentially connected, wherein the charging bin is provided with a vacuumizing port, a feeding port of the preheating feeder is connected with the charging bin, a discharging port of the preheating feeder is communicated with the vulcanization reaction device through a conveying pipe, and the preheating feeder is used for preheating materials from the charging bin and continuously feeding the materials to the vulcanization reaction device; the charging bin, the preheating feeder and the vulcanization reaction device are all of a closed structure, and after materials are charged into the charging bin, the charging bin is vacuumized through the vacuumizing port, so that the charging bin, the preheating feeder and the vulcanization reaction device which are connected are in an anaerobic state as a whole;
the vulcanization reaction device comprises a heating disc and a reaction disc, the heating disc is positioned at the bottom of the reaction disc, and the heating disc is used for heating the reaction disc to enable the internal temperature of the reaction disc to reach the reaction temperature; and a discharge hole is formed in the bottom of the reaction disc.
Further, a material outlet is arranged below the charging bin, the preheating feeder is provided with a feeding inlet and a feeding outlet, the feeding inlet is connected with the material outlet of the charging bin through a closed feeder, and the pipe diameter of the closed feeder is smaller than that of the preheating feeder; and the feeding outlet is communicated with the vulcanization reaction device through a conveying pipe.
Furthermore, a stirring mechanism is arranged in the reaction disc and comprises a rotating mechanism and a plurality of scraping plates which are radially and obliquely arranged on the rotating mechanism, and the reaction disc is divided into a plurality of areas by the scraping plates.
Further, this production facility still includes the material receiving bin, the discharge gate of reaction disc is connected with the discharging pipe, the material receiving bin with the discharging pipe is connected.
Furthermore, an air cylinder used for assisting discharging is arranged above the discharging pipe, a material pressing head is arranged at the output end of the air cylinder and located in the discharging pipe, and the air cylinder is used for avoiding the material from blocking the discharging pipe by driving the material pressing head during working.
Further, this production facility still includes the waste gas absorption tower, still be provided with the gas vent on the discharging pipe, the gas vent is connected with the waste gas absorption tower.
Further, the preheat feeder includes: the device comprises a closed shell and a heating spiral feeder positioned in the closed shell.
Further, the production equipment also comprises a bracket, and the heating disc and the reaction disc are both arranged on the bracket.
Further, the heating plate is in a U-shaped drawer shape and can be connected to the bracket in a sliding mode, and the opening end of the heating plate faces to the discharge hole of the reaction plate; still be provided with the pulley on the support, the heating plate bottom still is equipped with the bellying with pulley matched with, the bellying cooperatees with the pulley and realizes slidable fixed connection, the dismouting of the heating plate of being convenient for.
Compared with the prior art, the invention has the beneficial effects that:
(1) the continuous vulcanization production equipment provided by the invention can be used for vulcanizing metal elements into sulfides, has good metal recovery rate, and can effectively reduce SO due to the fact that the vulcanization process is in an oxygen-free or vacuum environment2And the generation and diffusion of harmful gases reduce the pollution to the environment.
(2) Through the two sections of heating treatments of the feeder and the vulcanization reaction device, the utilization rate of the vulcanizing agent is ensured, the phenomenon that the materials are reacted in advance to form blocks due to overhigh temperature in the conveying process and cause blockage is avoided, and the vulcanization rate of metal is also improved.
(3) The preheating feeder is arranged, when the mixed material is conveyed, preliminary heating is carried out on the mixed material, the vulcanizing agent is melted and fully contacted with metal, and subsequent reaction is facilitated.
(4) The bottom of the reaction plate is provided with a heating plate, and the reaction plate is internally provided with a stirring structure, so that the reaction is stirred while a proper temperature is provided for the reaction, and the reaction rate can be accelerated.
Drawings
FIG. 1 is a sectional view of a continuous vulcanization production apparatus in example 1;
FIG. 2 is a schematic view of the constitution of a vulcanization reaction apparatus in example 1;
FIG. 3 is a schematic view of a structure of a rotating disk in embodiment 1;
FIG. 4 is a sectional view of a vulcanization reaction apparatus in example 1;
FIG. 5 is a front view of the vulcanization reaction apparatus in example 1.
Reference numerals:
1-a scaffold; 11-a pulley; 2-preheating a feeder; 21-a closed housing; 22-heating the screw feeder; 3-a vulcanization reaction device; 31-a reaction tray; 311-a rotating electrical machine; 3111-rotating disk; 312-a tray cover; 3121-a cylinder; 3122-a ram; 313-a tray body; 3131-a discharge pipe; 3132-a vent; 314-a chassis; 315-a squeegee; 32-heating plates; 4-a material receiving bin; 5-conveying pipe; 6-a charging bin; 61-vacuum pumping port; 7-closed feeder.
Detailed Description
The present invention will be described in further detail with reference to the following detailed description and accompanying drawings.
Example 1
As shown in fig. 1 to 2, the present invention provides a continuous vulcanization production apparatus comprising: the device comprises a support 1, a charging bin 6, a preheating feeder 2, a vulcanization reaction device 3 and a receiving bin 4 which are sequentially connected along the vulcanization production process, wherein a feeding hole of the preheating feeder 2 is connected with the charging bin 6 through a closed feeder 7, the closed feeder 7 is a spiral feeder, and the pipe diameter of the closed feeder 7 is smaller than that of the preheating feeder 2, so that the closed feeder 7 and the preheating feeder 2 can be filled with materials under the condition of the same conveying speed, a vacant space is reserved inside the preheating feeder 2, the closed feeder 7 is used for sealing, sulfur vapor backflow is avoided, and the sulfur vapor is reacted with the materials; while clogging of the preheating feeder 2 can be avoided. Preheat the discharge gate of feeder 2 and pass through conveyer pipe 5 and vulcanization reaction unit 3 intercommunication, vulcanization reaction unit 3's export is connected with receiving feed bin 4, be provided with evacuation mouth 61 on the feed bin 6, outside evacuation equipment can take out the inside air of this continuous vulcanization production facility through evacuation mouth 61, make feed bin 6, preheat feeder 2, vulcanization reaction unit 3 and receive feed bin 4 and form closed structure, and inside is in vacuum state all the time (or lets in a certain amount of inert gas after the evacuation and make it be in anaerobic state), provide vacuum or anaerobic environment for follow-up vulcanization reaction, guarantee the normal clear of reaction, avoid producing a large amount of SO2And harmful gases can be prevented from diffusing, the production environment is influenced, and the harm to the body of workers is avoided. Specifically, the preheat feeder 2 includes: a closed shell 21 and a heating screw feeder 22 positioned in the closed shell 21, wherein the material from the charging bin 6 is preheated by the heating screw feeder 22 and is continuously fed to the vulcanization reaction device 3. The vulcanization reaction device 3 includes: heating plate 32 and reaction dish 31, heating plate 32 are used for heating reaction dish 31, make the inside temperature of reaction dish 32 reach reaction temperature, are provided with rabbling mechanism in the reaction dish 31, and the discharge gate of reaction dish 31 links to each other with receiving material storehouse 4And finally, collecting the vulcanized product after reaction in a material receiving bin 4. Heating plate 32 and reaction dish 31 all are located support 1, and heating plate 32 is located reaction dish 31 bottom, are convenient for heat the material that falls into reaction dish 31. Be provided with pulley 11 on support 1, heating plate 32 is the U-shaped drawer form, and slidable connection is on support 1, its open end towards reaction disc 31's discharge gate, heating plate 32 bottom be equipped with pulley 11 matched with bellying (not shown), bellying (not shown) cooperate with pulley 11 and realize slidable fixed connection, make heating plate 32 slidable set up on support 1, the dismouting of heating plate 32 of being convenient for, also be convenient for maintain inside electric stove silk.
Specifically, the metal sulfidation process is as follows: firstly, mixing metal and vulcanizing agent according to a certain molar ratio, conveying the mixture into a charging bin 6 after mixing, after a certain amount of mixture exists in the charging bin 6 (at the moment, the mixture seals a feeding hole of a preheating feeder 2), pumping air in the continuous vulcanization production equipment out from a vacuum-pumping port 61 on the charging bin 6 by using vacuum-pumping equipment to ensure that the interior of the continuous vulcanization production equipment is in a vacuum or anaerobic state, then the preheating feeder 2 is started to heat, stir and convey the metal in a closed environment through the heating screw feeder 22, the heating temperature is 200-400 ℃, the vulcanizing agent is melted, under the condition of stirring, the molten vulcanizing agent is wrapped by metal, because the melting point of the vulcanizing agent sulfur is 119 ℃, the boiling point of the vulcanizing agent sulfur is 444.6 ℃, at this temperature, the metal does not undergo a sulfidation reaction, and the heating screw feeder 22 is prevented from being stuck due to agglomeration caused by the formation of a sulfidation product. The metal is conveyed into the reaction disc 31 through the conveying pipe 5, then the heating disc 32 heats the reaction disc 31, so that the temperature in the reaction disc 31 stably rises, meanwhile, under the conditions of no oxygen and stirring, the metal and the vulcanizing agent reach a spontaneous reaction condition, the metal wrapped by the vulcanizing agent in a molten state starts to melt and reacts with the vulcanizing agent, a large amount of heat is generated in the vulcanization reaction, the temperature of the system is quickly increased to 600-900 ℃, and the metal is deeply vulcanized. After the reaction is finished, the material falls into the material receiving bin 4, and after the material is cooled, a vulcanized product can be obtained. Note that the melting points of the sulfides are all high (e.g., SnS 880 ℃ C., Sb)2S3550 c) and if the metal reacts in the preheating feeder 2, there is a possibility that the sulfide generated by the reaction is agglomerated due to insufficient temperature, resulting in clogging of the preheating feeder 2. The sulfidation reaction of the present invention is carried out in the reaction tray 31, and even if the sulfide is agglomerated, it falls from the tapping pipe 3131 into the receiving bin 4. This application makes the vulcanization process all be in under anaerobic or vacuum environment on the one hand through airtight feeder 7, preheat feeder 2 and reaction disc 31's combination, has reduced SO2The generation and diffusion of harmful gases and the like reduce the pollution to the environment; on the other hand, the utilization rate of the vulcanizing agent is also improved, and the blockage of the preheating feeder 2 caused by the reaction in the conveying process is avoided.
Specifically, as shown in fig. 3 to 5, the reaction tray 31 is constituted by a stirring mechanism, a tray cover 312, a tray body 313, and a bottom tray 314, and the tray cover 312 and the bottom tray 314 serve to seal the tray body 313. Wherein, rabbling mechanism includes: the reaction disk 31 comprises a rotating mechanism and a plurality of scrapers 315 which are arranged on the rotating mechanism in a radial inclined mode, wherein the scrapers 315 divide the reaction disk 31 into a plurality of fan-shaped areas. After the material gets into reaction dish 31, slewing mechanism work drives scraper blade 315 and rotates, and then forces the material to take place to roll, has both reached the purpose of stirring the material, and the control reaction time of being convenient for again, through adjustment slewing mechanism's rotational speed, can adjust the reaction of material long, and finally, the material after the reaction is pushed to the discharge gate department of reaction dish 31 by scraper blade 315, falls into and collects in receiving storehouse 4. It should be understood that the rotating mechanism is a common rotating mechanism, and is driven by a motor, and the detailed structure thereof is not described herein. In the present embodiment, the rotation mechanism includes: rotate motor 311 and rolling disc 3111, the output of rotating motor 311 is connected with rolling disc 3111, rotates motor 3111 and rotates, drives rolling disc 3111 and rotates, and then drives scraper blade 315 and rotate to realize the purpose of stirring the material, simultaneously, rotate the rotational speed of motor 3111 through the control, can control the reaction time of material. It is understood that the reaction time and temperature of the materials are adjusted according to the specific metal species and the content of each metal in the metal mixture, and the sulfidation time of each metal is well known to those skilled in the art and will not be described herein.
Further, a discharge pipe 3131 is disposed on a discharge port of the reaction tray 31, the discharge pipe 3131 is connected to the receiving bin 4, a discharge port 3132 is disposed on the discharge pipe 3131, and the discharge port 3132 is connected to a waste gas absorption tower (not shown). Because the materials are all in a closed environment in the whole process, SO generated by the reaction2When the amount of harmful gas is small, the part of harmful gas is finally absorbed by the waste gas, the production safety is greatly improved, and the diffusion of the harmful gas is avoided. An air cylinder 3121 for assisting discharging is arranged above the discharging pipe 3131, and a pressure head 3122 is arranged at the output end of the air cylinder 3121 and is used for assisting the caking material to discharge.
Example 2
380KG tin powder (Sn99.93%, Cu0.014%, As)<0.005％，Fes<0.005％,Pb<0.01 percent) and a vulcanizing agent (sulfur) are mixed according to the molar ratio of Sn to S of 76:24, the temperature of the preheating feeder 2 is 200 ℃, the transmission frequency is 30HZ, the temperature of the reaction disc 31 is 380 ℃, the rotating speed of the rotating mechanism is 1000r/min, the yield is controlled at 300kg/h, after the reaction, the vulcanized product in the material receiving bin 4 is subjected to XRD analysis, the content of SnS is 90 percent, and the Sn is2S3Content 6% SnS22 percent of the sulfur content, 2 percent of the S content and more than 99 percent of the vulcanization rate.
Example 3
Mixing 350KG antimony powder (Sn99.12%, Cu0.016% and As)<0.03％，Fes<0.01％,Pb<0.02%) and a vulcanizing agent (sulfur) according to the mass ratio of Sb to S of 68:32, the temperature of the preheating feeder 2 is 220 ℃, the transmission frequency is 25HZ, the temperature of the reaction disc 31 is 400 ℃, the rotating speed of the rotating mechanism is 900r/min, the yield is controlled at 280kg/h, after the reaction, the vulcanized product in the material receiving bin 4 is subjected to XRD analysis, and the Sb is obtained2S3The content is about 99.5 percent, and the vulcanization rate is more than 99.5 percent.
Example 4
Mixing 2000KG sulfur slag (Sn44.83%, Cu43.52%, S10.19%, As0.23%, Fe0.41% and Ni0.32%) with a vulcanizing agent (sulfur) according to the molar ratio of Sn to S being 1:1.2, then feeding the mixed material into a charging bin 6, opening a preheating feeder 2 and a vulcanization reaction device 3 after the charging bin 6 has a certain amount of raw materials, then opening the preheating feeder 2 at the temperature of 250 ℃, the transmission frequency of 35HZ, the temperature of a reaction disc 31 at 400 ℃, the rotating speed of a rotating mechanism 311 at 1200r/min, and controlling the yield at 400 KG/h. After the reaction, the vulcanized product in the material receiving bin 4 is placed in a vacuum furnace, distilled at 1200 ℃, and kept warm for 4 hours, so that the obtained volatile stannous sulfide is subjected to chemical analysis, wherein the content of Cu in the volatile stannous sulfide is less than 0.02%, the content of Sn in the residual cuprous sulfide is less than 2%, the direct copper yield reaches 99%, and the direct tin yield reaches 95%.
In conclusion, the continuous vulcanization production equipment provided by the invention can effectively reduce SO2And the generation and diffusion of harmful gases reduce the pollution to the environment, and have good metal vulcanization rate and recovery rate.
The present invention has been described in terms of specific examples, which are provided to aid understanding of the invention and are not intended to be limiting. For a person skilled in the art to which the invention pertains, several simple deductions, modifications or substitutions may be made according to the idea of the invention.
Claims (9)
1. The continuous vulcanization production equipment is characterized by comprising a charging bin, a preheating feeder and a vulcanization reaction device which are sequentially connected, wherein the charging bin is provided with a vacuumizing port, a feeding port of the preheating feeder is connected with the charging bin, a discharging port of the preheating feeder is communicated with the vulcanization reaction device through a conveying pipe, and the preheating feeder is used for preheating materials from the charging bin and continuously feeding the materials to the vulcanization reaction device; the charging bin, the preheating feeder and the vulcanization reaction device are all of a closed structure, and after materials are charged into the charging bin, the charging bin is vacuumized through the vacuumizing port, so that the charging bin, the preheating feeder and the vulcanization reaction device which are connected are in an anaerobic state as a whole;
the vulcanization reaction device comprises a heating disc and a reaction disc, the heating disc is positioned at the bottom of the reaction disc, and the heating disc is used for heating the reaction disc to enable the internal temperature of the reaction disc to reach the reaction temperature; and a discharge hole is formed in the bottom of the reaction disc.
2. The continuous vulcanization production equipment of claim 1, wherein a material outlet is provided below the hopper, the preheater feeder is provided with a feed inlet and a feed outlet, the feed inlet is connected to the material outlet of the hopper through a closed feeder, and the diameter of the closed feeder is smaller than that of the preheater feeder; and the feeding outlet is communicated with the vulcanization reaction device through a conveying pipe.
3. The continuous vulcanization production facility of claim 1, wherein a stirring mechanism is provided in the reaction disk, and the stirring mechanism includes a rotating mechanism and a plurality of scrapers provided on the rotating mechanism in a radially inclined arrangement, and the scrapers divide the reaction disk into a plurality of areas.
4. The continuous vulcanization production facility of any one of claims 1 to 3, further comprising a material receiving bin, wherein a material discharge pipe is connected to a material discharge port of the reaction disk, and the material receiving bin is connected to the material discharge pipe.
5. The continuous vulcanization production facility of claim 4 wherein a pneumatic cylinder is provided above the tapping pipe for assisting in tapping, the pneumatic cylinder having an outlet end provided with a pressure tap within the tapping pipe, the pneumatic cylinder being operative to prevent material from clogging the tapping pipe by engaging the pressure tap.
6. The continuous vulcanization production facility of claim 4 further comprising a waste gas absorption tower, wherein the discharge pipe is further provided with a vent port, and the vent port is connected to the waste gas absorption tower.
7. A continuous vulcanization production facility according to any one of claims 1 to 3, wherein said preheat feeder includes: the device comprises a closed shell and a heating spiral feeder positioned in the closed shell.
8. The continuous vulcanization production facility of any one of claims 1 to 3, further comprising a support on which the heating pan and the reaction pan are mounted.
9. The continuous vulcanization production facility of claim 8, wherein said heating pan is in the form of a U-shaped drawer slidably attached to said frame with its open end facing the outlet of said reaction pan; still be provided with the pulley on the support, the heating plate bottom still is equipped with the bellying with pulley matched with, the bellying cooperatees with the pulley and realizes slidable fixed connection, the dismouting of the heating plate of being convenient for.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117568620A (en) * | 2023-12-01 | 2024-02-20 | 昆明理工大学 | Crude tin double-pot sulfur adding and impurity removing reactor |
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| CN117568620A (en) * | 2023-12-01 | 2024-02-20 | 昆明理工大学 | Crude tin double-pot sulfur adding and impurity removing reactor |
| CN117568620B (en) * | 2023-12-01 | 2024-04-30 | 昆明理工大学 | Crude tin double-pot sulfur adding and impurity removing reactor |
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