CN209759553U - Multi-point-position automatic water-spraying tin refining crystallization device - Google Patents
Multi-point-position automatic water-spraying tin refining crystallization device Download PDFInfo
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- CN209759553U CN209759553U CN201920362518.8U CN201920362518U CN209759553U CN 209759553 U CN209759553 U CN 209759553U CN 201920362518 U CN201920362518 U CN 201920362518U CN 209759553 U CN209759553 U CN 209759553U
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Abstract
The utility model provides an automatic concise crystallization device of water-spraying tin of multiple spot position belongs to the concise technical field of the metallurgical crude tin of tin, an automatic concise crystallization device of water-spraying tin of multiple spot position include cell body, spiral feeding mechanism, heating device, water jet equipment and crude tin pot. The utility model discloses set for five sections different warm areas with the cell body of tin refining crystallizer, set for PLC controlling means, set for the rotational speed of feed spiral, the water spray time and the water spray volume of each shower nozzle, can carry out the part according to actual conditions to the cell body position that each section warm area corresponds and spray to can solve the influence that the part produced because of the temperature fluctuation, realize the steady operation of thick tin continuous crystallization, realize that the material is balanced in the continuous crystallizer, stable, crystallization effect is good, ensures product quality and output. The dust collecting device is arranged, so that water vapor and raised dust generated in the process can be pumped away and treated, the labor intensity of workers is reduced, and the field operation environment is improved.
Description
Technical Field
The utility model belongs to the technical field of the metallurgical coarse tin of tin is concise, specifically speaking relates to a refined crystallization device of automatic water spray tin in multiple spot position.
Background
As important technology and equipment in three major processes of a tin refining process, a continuous crystallizer is put into application in 1975, although the continuous crystallizer is put into industrial application for more than 40 years, the equipment level of the continuous crystallizer basically stays at the initial level of the invention, although the continuous crystallizer is modified by some, the continuous crystallizer still stays at the initial level of manual experience operation, the production process still operates according to manual experience, the feeding amount, the water spraying amount and the discharge of soldering tin in the actual production are regulated according to the experience of operators, no determined rule exists, and the fluctuation of the yield and the quality of products can be influenced by the difference of the experience and the working mood of each operator. The requirements of stable quality, high yield and low consumption are difficult to achieve by manual control. Therefore, how to realize the upgrading and improvement of the automatic water spraying control of the crude tin refining crystallizer by optimizing the existing equipment, improve the production efficiency of the crystallizer, ensure the stable product quality of the crystallizer and reduce the unorganized emission is a problem which needs to be solved urgently at present.
Disclosure of Invention
In order to solve the problem that provides among the background art, the utility model provides an automatic concise crystallization device of water spray tin of multiple spot position, set for five sections different warm areas to the continuous crystallizer cell body, set for PLC controlling means, through the settlement to crystallizer feed spiral rotational speed, the feed of realization crystallizer inslot material is balanced, set for crystallizer water spray time, the difference of each shower nozzle water supply, the realization corresponds the cell body position to each section warm area and carries out the part and spray, guarantee the stability of each warm area section temperature, finally realize the production that the crystallization can be balanced and stable, ensure product quality and output.
The utility model provides a technical scheme that its technical problem adopted as follows:
The utility model provides an automatic concise crystallization device of water spray tin in multiple spot position, includes cell body, spiral feeding mechanism, heating device, water jet equipment and crude tin pot, the inside spiral feeding mechanism that is provided with of cell body, the cell body bottom is provided with heating device, the higher one end of cell body is provided with the refined tin discharge gate, lower one end is provided with the soldering tin discharge port, refined tin discharge gate below is provided with the refined tin hopper, soldering tin discharge port department sets up the soldering tin pot, the cell body top is provided with water jet equipment, cell body one side is provided with the crude tin pot for the crystallizer feed, water jet equipment top install dust arrester installation.
Furthermore, the spiral feeding mechanism consists of a feeding spiral and a power device, the power device is in transmission connection with the feeding spiral, the feeding spiral is installed inside the groove body, and the power device is installed at one end of the groove body.
further, water jet equipment include water spray support pipeline and shower nozzle, the shower nozzle passes through water spray support pipeline and installs directly over the cell body, the shower nozzle links with the water supply line, the shower nozzle export is just inside the cell body.
Furthermore, the number of the spray heads is 3-12, and each spray head is provided with an electromagnetic valve.
Furthermore, water jet equipment still including be used for controlling the shower nozzle water spray PLC controlling means, be used for monitoring the temperature-sensing ware of cell body internal temperature, the temperature-sensing ware is arranged in the cell body bottom, corresponds the setting with each shower nozzle, the temperature-sensing ware is connected with PLC controlling means input, the solenoid valve and the PLC controlling means output of each shower nozzle are connected.
Furthermore, the PLC control device can set different gear modes to respectively control the start and stop of water spraying of each spray head, and an operator can select different modes according to actual production to realize automatic multi-point water spraying operation of the crystallizer.
Further, the temperature monitoring in the tank body is set as five temperature zones: a first temperature zone is 180-185 ℃; the temperature of the two-section temperature zone is 190-200 ℃; the temperature of the three temperature zones is 205-210 ℃; 215-225 ℃ in a four-section temperature zone; the five-section temperature zone is 230-240 ℃.
The utility model has the advantages that:
The utility model discloses set for five sections different warm areas with the cell body of the refined crystallizer of tin, set for PLC controlling means, set for the rotational speed of feed spiral, the water spray time and the water spray volume of each shower nozzle, can carry out the part according to actual conditions to the cell body position that each section warm area corresponds and spray, still can solve the not enough of local temperature fluctuation, realize the continuous crystallizer steady operation of crude tin, realize the equilibrium of material in the continuous crystallizer, stable, crystallization effect is good, ensures product quality and output. The dust collecting device is arranged, so that water vapor and raised dust generated in the process can be pumped away and treated, the labor intensity of workers is reduced, and the field operation environment is improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
Fig. 2 is a top view of the present invention;
Fig. 3 is a control block diagram of the present invention.
In the figure, 1-groove body, 2-heating device, 3-refined tin discharge port, 4-solder discharge port, 5-refined tin hopper, 6-solder pot, 7-crude tin pot, 8-water spray bracket pipeline, 9-nozzle, 10-PLC control device, 11-temperature sensor, 12-dust collecting device, 13-feeding screw, 14-power device and 15-operation platform.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the following will explain in detail a preferred embodiment of the present invention with reference to the accompanying drawings to facilitate understanding of the skilled person.
As shown in figures 1-3, the multi-point automatic water spray tin refining and crystallizing device comprises a tank body 1, a spiral feeding mechanism, a heating device 2, a crude tin pot 7 and a water spray device. The inside feed spiral 13 that is provided with of cell body 1, 1 lower part of cell body is provided with heating device 2, cell body 1 passes through the supporter setting on the horizontally operation mesa, and the relative operation mesa of cell body 1 is the slope setting, higher one end is provided with refined tin discharge gate 3, lower one end is provided with soldering tin discharge port 4, thick tin pot 7 is installed to 1 one side of cell body, thick tin pot 7 passes through feed inlet and crystallizer intercommunication, liquid thick tin in the thick tin pot adds in the concise crystallization device, form the crystal by the quick cooling of shower nozzle spun cooling water, set for according to the temperature of each section in the cell body, thick tin constantly melts and cools off the crystallization in the cell body, realize the crystal separation of the separation of impurity in the tin, 1 opposite side of cell body is operation platform 15, supply staff's field operation to use. The high-purity refined tin continuously moves upwards under the pushing action of the screw feeder, slowly moves towards the refined tin discharge port 3, and is collected by a refined tin hopper 5 arranged below the refined tin discharge port 3. The soldering tin with high impurity content is continuously melted out and reflows in the groove body to take away impurities in the crude tin, and enters the soldering tin pot 6 through the soldering tin discharge port 4 to be recycled.
In the crude tin refining process, set for the requirement of five sections of different warm areas with the refined crystallizer cell body of tin, cell body 1 top is provided with water jet equipment, water jet equipment includes water spray support pipeline 8 and shower nozzle 9, shower nozzle 9 links with the water supply line, shower nozzle 9 passes through water spray support pipeline 8 and installs directly over cell body 1, shower nozzle 9 delivery port is just inside cell body 1, in refining process, shower nozzle 9 is according to the requirement of setting for five sections of different warm areas, the difference of control each shower nozzle 9 water spray time and water spray volume, guarantee the edulcoration effect of crude tin crystallization process. The number of the water spray nozzles 9 is 3-12, each nozzle 9 is provided with an electromagnetic valve, preferably, the number of the nozzles 9 is 10, and the number is 1-10#Carry out a label one by one, water jet equipment is still including PLC controlling means 10 that is used for controlling shower nozzle 9 to spray water, a temperature-sensing ware 11 for monitoring temperature in the cell body 1, temperature-sensing ware 11 arranges in 1 bottom of cell body, correspond the setting with each shower nozzle 9, temperature-sensing ware 11 is connected with PLC controlling means 10 input, the solenoid valve and the 10 output of PLC controlling means of each shower nozzle 9 are connected, through the work of PLC controlling means control solenoid valve, adjust the flow of solenoid valve and open and stop, the realization is to the shower nozzle water spray volume, the regulation of water spray time.
The spiral feeding mechanism consists of a feeding spiral 13 and a power device 14, the power device 14 is a motor, the motor is connected with a spiral shaft of the feeding spiral 13, the power device 14 is connected with a PLC (programmable logic controller) 10 and used for controlling the rotating speed of the motor and adjusting the rotating speed ratio of the feeding spiral 13, the feeding spiral 13 is installed inside the tank body 1, and the power device 14 is installed at one end of the tank body 1.
In the refining process of the crude tin, the separation of refined tin with low impurity value content and soldering tin with high impurity content is realized. In the production process, the rotating speed ratio of the feeding screw 13 is set according to the material requirements, the rotating speed is controlled to be 0.5-1.2 rpm, and the feeding screw 13 is arranged, so that the separation of impurities in the refining process can be realized, and the product quality and the yield in the coarse refining process are ensured.
Water jet equipment top install dust arrester installation 12, can collect the steam and the raise dust that the moisture content thermal evaporation produced that spouts high temperature material in the water spray process in crystal refining process and send into dust arrester installation 12 in, be connected with the draught fan on dust arrester installation's the flue that gathers dust, the negative pressure that forms through the draught fan siphons away steam and raise dust from the flue that gathers dust in the lump, the raise dust that has alleviateed in the job shop greatly is diffused, the field operation environment has been improved.
There are mainly two modes of setting the PLC control device 10 according to actual production:
1. According to the temperature monitored by the temperature sensor 11 arranged on the continuous crystallizer tank body, when the temperature of the tank body is monitored to be lower than or exceed a set value by the point position of the temperature sensor 11 of the continuous crystallizer tank body, the temperature sensor 11 feeds monitoring information back to the PLC control device 10, and the PLC control device 10 sends a control instruction according to the information. When the temperature is higher than the set temperature, the water spraying device is linked, and the corresponding spray head 9 is started to spray water to automatically spray water to the local part of the tank body, so that the cooling of the designated area is realized. When the monitored temperature is lower than the set temperature, the water spraying time is automatically prolonged, the water spraying amount is reduced, and the water spraying operation is continued after the temperature of the tank body rises and meets the requirement of continuing water spraying. Ensuring a first temperature zone to be 180-185 ℃; the temperature of the two-section temperature zone is 190-200 ℃; the temperature of the three temperature zones is 205-210 ℃; 215-225 ℃ in a four-section temperature zone; and controlling the temperature of the five-section temperature zone to be 230-240 ℃.
2. According to the composition of the materials, the temperature requirement and the manual operation experience, the PLC control device 10 can set the modes of different gears, respectively control the start and stop of the water spraying of each spray head 9, and realize the automatic multi-point water spraying operation of the crystallizer by the selection and switching of different modes by operators according to the actual production.
Example 1
The continuous crystallizer starts to operate, the heating device 2 is started firstly, and the temperature in the crystallizer tank body 1 is respectively set as five temperature zones: a first temperature zone is 180-185 ℃; the temperature of the two-section temperature zone is 190-200 ℃; the temperature of the three temperature zones is 205-210 ℃; 215-225 ℃ in a four-section temperature zone; the five-section temperature zone is 230-240 ℃. The optimal temperature of each area is 183 ℃ of a section of temperature area; a two-stage temperature zone is 195 ℃; a three-section temperature zone 207 ℃; a temperature zone 219 ℃; the warm zone is 232 ℃. The temperature is a main factor influencing the quality of refined tin and soldering tin of a crystallizer. The temperature in the crystallizer tank body 1 is respectively set as five temperature zones, when crude tin enters the crystallizer, the crude tin is cooled by water spraying, the temperature of the crude tin liquid is rapidly reduced from 230 ℃ to below 190 ℃, crystals with low lead and liquid with high lead are produced, five temperature zones are arranged in the temperature zones, according to the requirements of each stage of crude tin refining, impurities are effectively separated in the crystallization process of each stage of tin refining, the impurities are discharged from a tin soldering discharge port step by step, and refined tin crystals are pushed to a high temperature zone by a spiral feeder to be melted and separated to obtain refined tin. The corresponding groove body position of each temperature zone can be locally sprayed according to the actual condition, the defect of local temperature fluctuation can be overcome, the stable operation of the continuous crystallizer for crude tin is realized, and the control of each temperature zone is the premise of ensuring the quality and the yield of refined tin.
In order to ensure that the temperature of each stage temperature zone can be in a control range, the PLC control device 10 is used for 1-10 pairs#The water injection amount of the nozzle is set as follows: 1#A spray head: 0.15-0.32m3/h； 2#A spray head: 0.23-0.42m3/h； 3#A spray head: 0.18-0.42m3/h；4#A spray head: 0.12-0.32m3/h；5#A spray head: 0.08-0.25m3/h；6#A spray head: 0.05-0.18m3/h；7#A spray head: 0.05-0.12m3/h；8#A spray head: 0.05-0.1m3/h；9#A spray head: 0.05-0.1m3/h；10#A spray head: 0.04-0.08m3/h。
starting a crystallizer, setting the rotation speed ratio of a feeding screw of the crystallizer according to material requirements, controlling the rotation speed to be between 0.5 and 1.2 revolutions per minute, simultaneously uniformly adding crude tin in a crude tin pot 7 into the continuous crystallizer through a feeding hole, controlling the crude tin to be between 1 and 1.5 tons per hour, setting a PLC control device 10, and feeding monitoring information back to the PLC control device 10 by a temperature sensor 11 arranged on a continuous crystallizer groove body 1 according to the temperature monitored by the temperature sensor 11 arranged on the groove body 1 when the temperature of the groove body 1 is monitored to be lower than or higher than a set value by the point position of the temperature sensor 11 of the groove body 1 of the crystallizer, wherein the PLC control device 10 sends out a control instruction according to the information. When the temperature is higher than the set temperature, the water spraying device is linked, and the corresponding spray head 9 is started to spray water to automatically spray water to the local part of the tank body 1, so that the cooling of the designated area is realized. When the temperature is lower than the set temperature, the water spraying time is automatically prolonged, and the water spraying operation is carried out after the temperature rises to meet the cooling requirement. Liquid crude tin in the crude tin pot is added into a refining crystallization device, is rapidly cooled by cooling water sprayed by a spray head to form crystals, and is continuously melted and cooled and crystallized in the tank body 1 according to the temperature setting of each section in the tank body 1, so that the crystallization separation of the separation of impurities in tin is realized. The high-purity refined tin continuously moves upwards under the pushing action of the feeding screw, slowly moves towards the refined tin discharging port 3, and is collected by the refined tin hopper 5 arranged below the refined tin discharging port 3. The soldering tin with high impurity content is continuously melted out and reflows in the groove body 1 to take away impurities in the crude tin, and enters the soldering tin pot 6 through the soldering tin discharge port 4 to be recycled. In the water spraying process, water vapor and dust generated by the evaporation of heated water sprayed on the high-temperature material in the water spraying process can be collected and sent into the dust collection device 12, and the water vapor and the dust are sucked away from the dust collection flue through the negative pressure formed by the draught fan, so that the dust diffusion in an operation workshop is greatly reduced, and the field operation environment is improved.
Example 2
The continuous crystallizer starts to operate, the heating device 2 is started firstly, and the temperature in the crystallizer tank body 1 is respectively set as five temperature zones: a first temperature zone is 180-185 ℃; the temperature of the two-section temperature zone is 190-200 ℃; the temperature of the three temperature zones is 205-210 ℃; 215-225 ℃ in a four-section temperature zone; the five-section temperature zone is 230-240 ℃. The optimal temperature of each area is 183 ℃ of a section of temperature area; a two-stage temperature zone is 195 ℃; a three-section temperature zone 207 ℃; a temperature zone 219 ℃; the warm zone is 232 ℃. The temperature is a main factor influencing the quality of refined tin and soldering tin of a crystallizer. The temperature in the crystallizer tank body 1 is respectively set as five temperature zones, when crude tin enters the crystallizer, the crude tin is cooled by water spraying, the temperature of the crude tin liquid is rapidly reduced from 230 ℃ to below 190 ℃, crystals with low lead content and liquid with high lead content are produced, five temperature zones are arranged in the temperature zones, according to the requirements of each stage of crude tin refining, impurities are effectively separated in the crystallization process of each stage of tin refining, the impurities are discharged from a tin soldering discharge port step by step, and refined tin crystals are pushed to a high temperature zone by a spiral feeding mechanism to be melted and separated to obtain refined tin. The corresponding groove body position of each temperature zone can be locally sprayed according to the actual condition, the defect of local temperature fluctuation can be overcome, the stable operation of the continuous crystallizer for crude tin is realized, and the control of each temperature zone is the premise of ensuring the quality and the yield of refined tin.
In order to ensure that the temperature of each stage temperature zone can be in a control range, the PLC control device 10 is used for 1-10 pairs#The amount of water sprayed from the head 9 is set to: 1#And (3) a spray head 9: 0.15-0.32m3/h； 2#And (3) a spray head 9: 0.23-0.42m3/h； 3#And (3) a spray head 9: 0.18-0.42m3/h；4#And (3) a spray head 9: 0.12-0.32m3/h；5#And (3) a spray head 9: 0.08-0.25m3/h；6#And (3) a spray head 9: 0.05-0.18m3/h；7#And (3) a spray head 9: 0.05-0.12m3/h；8#And (3) a spray head 9: 0.05-0.1m3/h；9#And (3) a spray head 9: 0.05-0.1m3/h；10#And (3) a spray head 9: 0.04-0.08m3/h。
Starting a crystallizer, setting the rotation speed ratio of a feeding screw of the crystallizer according to material requirements, controlling the rotation speed to be between 0.5 and 1.2 revolutions per minute, simultaneously uniformly adding crude tin in a crude tin pot 7 into the continuous crystallizer through a feeding hole, controlling the crude tin to be between 1 and 1.5 tons per hour, setting a PLC control device 10, and feeding monitoring information back to the PLC control device 10 by a temperature sensor 11 arranged on a continuous crystallizer groove body 1 according to the temperature monitored by the temperature sensor 11 arranged on the groove body 1 when the temperature of the groove body 1 is monitored to be lower than or higher than a set value by the point position of the temperature sensor 11 of the groove body 1 of the crystallizer, wherein the PLC control device 10 sends out a control instruction according to the information. When the temperature is higher than the set temperature, the water spraying device is linked, and the corresponding spray head 9 is started to spray water to automatically spray water to the local part of the tank body 1, so that the cooling of the designated area is realized. When the monitored temperature is lower than the set temperature, the water spraying time is automatically prolonged, the water spraying amount is reduced, and the water spraying operation is continued after the temperature of the tank body 1 is raised and meets the requirement of continuing water spraying. Liquid crude tin in the crude tin pot is added into a refining crystallization device and is rapidly cooled by cooling water sprayed by a spray head 9 to form crystals, and the crude tin is continuously melted and cooled and crystallized in the tank body 1 according to the temperature setting of each section in the tank body 1, so that the crystallization separation of the separation of impurities in the tin is realized. The high-purity refined tin continuously moves upwards under the pushing action of the feeding screw, slowly moves towards the refined tin discharging port 3, and is collected by the refined tin hopper 5 arranged below the refined tin discharging port 3. The soldering tin with high impurity content is continuously melted out and reflows in the groove body 1 to take away impurities in the crude tin, and enters the soldering tin pot 6 through the soldering tin discharge port 4 to be recycled.
Meanwhile, when the temperature sensor 11 detects that the temperature of each temperature zone is too high (or too low) than the set temperature range value, the gear mode of the PLC control device 10 is set according to the components of the materials, the temperature requirement and the manual operation experience, the water spraying amount of the corresponding spray head 9 is increased (or reduced) in a manual mode, and the temperature stability of the temperature zones is ensured. The dust collecting device 12 at the upper part in the water spraying process can pump away the raised dust and water vapor generated in the process and process the raised dust and water vapor. The whole process does not need an operator to operate on the groove surface. Greatly reducing the labor intensity of operators and the field operation environment.
Finally, it is noted that the above-mentioned preferred embodiments illustrate rather than limit the invention, and that, although the invention has been described in detail with reference to the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the scope of the invention as defined by the appended claims.
Claims (7)
1. The multi-point-position automatic water spraying tin refining and crystallizing device is characterized by comprising a groove body, a spiral feeding mechanism, a heating device, a water spraying device and a crude tin pot, wherein the spiral feeding mechanism is arranged inside the groove body, the heating device is arranged at the bottom of the groove body, a refined tin discharge port is formed in the higher end of the groove body, a soldering tin discharge port is formed in the lower end of the groove body, a refined tin hopper is arranged below the refined tin discharge port, the soldering tin pot is arranged at the soldering tin discharge port, the water spraying device is arranged above the groove body, the crude tin pot for feeding a crystallizing machine is arranged on one side of the groove body, and a dust collecting device is arranged above the water spraying device.
2. The multi-point automatic water spray tin refining and crystallizing device as claimed in claim 1, wherein: the spiral feeding mechanism consists of a feeding spiral and a power device, the power device is in transmission connection with the feeding spiral, the feeding spiral is arranged inside the groove body, and the power device is arranged at one end of the groove body.
3. The multi-point automatic water spray tin refining and crystallizing device as claimed in claim 1 or 2, wherein: the water spraying device comprises a water spraying support pipeline and a spray head, the spray head is installed right above the tank body through the water spraying support pipeline, the spray head is connected with the water supply pipeline, and the outlet of the spray head is right opposite to the inside of the tank body.
4. The multi-point automatic water spray tin refining and crystallizing device as claimed in claim 3, wherein: the number of the spray heads is 3-12, and each spray head is provided with an electromagnetic valve.
5. The multi-point automatic water spray tin refining and crystallizing device as claimed in claim 4, wherein: the water spraying device further comprises a PLC control device used for controlling the spray nozzles to spray water, and a temperature sensor used for monitoring the temperature in the tank body, wherein the temperature sensor is arranged at the bottom of the tank body and corresponds to each spray nozzle, the temperature sensor is connected with the input end of the PLC control device, and the electromagnetic valve of each spray nozzle is connected with the output end of the PLC control device.
6. The multi-point automatic water spray tin refining and crystallizing device as claimed in claim 5, wherein: the PLC control device can set different gear modes, respectively control the start and stop of water spraying of each spray head, and an operator can select different modes according to actual production, so as to realize automatic multipoint water spraying operation of the crystallizer.
7. The multi-point automatic water spray tin refining and crystallizing device as claimed in claim 5, wherein: the temperature monitoring in the tank body is set as five temperature zones: a first temperature zone is 180-185 ℃; the temperature of the two-section temperature zone is 190-200 ℃; the temperature of the three temperature zones is 205-210 ℃; 215-225 ℃ in a four-section temperature zone; the five-section temperature zone is 230-240 ℃.
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