Quartz sand purifying and calcining device with temperature control function
By designing a quartz sand purification and calcination device with temperature control, and utilizing a combination of magnetic roller scraping of impurities and screen centrifugal blocks, the problems of magnetic impurity accumulation and uneven calcination were solved, achieving efficient purification and uniform heating of quartz sand, and improving the quality and safety of quartz sand.
Patent Information
- Application Number
- CN202520328443.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-27
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-02-27
AI Technical Summary
In existing quartz sand purification and calcination equipment, when processing magnetic impurities, impurities tend to accumulate on the magnetic rollers, requiring the machine to be stopped and scraped off, which increases the complexity of operation and safety risks. Furthermore, uneven calcination affects the quality of the quartz sand.
The design includes a quartz sand purification and calcination device with temperature control, comprising a magnetic sieve assembly and a heating assembly. Magnetic rollers are used to adsorb and scrape away magnetic impurities. Combined with the design of the sieve and centrifugal blocks, uniform heating of the quartz sand is achieved, and the temperature is precisely controlled by a PID controller.
It effectively removes magnetic impurities, ensures uniformity and temperature stability during the calcination process, improves the purity and calcination quality of quartz sand, and reduces operational complexity and safety risks.
Smart Images
Figure CN223856133U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to calcining device technical field, concretely is quartz sand purification calcining device with temperature control function. BACKGROUND
[0002] Quartz sand as important industrial raw material, in glass, ceramic, silicon material etc. field has extensive application, however, the raw quartz sand often contains various impurities, such as magnetic impurities, nonmetallic impurities etc., these impurities can influence the quality and performance of quartz sand, calcining is an important step in the processing of quartz sand, through high-temperature treatment can remove the bubble, moisture etc. in quartz sand, further improve its quality and performance, at the same time, calcining can also change the physical and chemical properties of quartz sand, such as improving its melting point, hardness etc., to meet the use demand of different fields.
[0003] The surface of the untreated quartz sand before calcining often has magnetic impurities, when the existing quartz sand purification calcining device processes the magnetic impurities before calcining, the impurities will accumulate on the magnetic roller after long time adsorption operation, the magnetic roller can produce high temperature or magnetic field during operation, and manual removal of the impurities needs to stop operation and take corresponding safety measures, which increases the complexity and risk of operation. SUMMARY
[0004] The utility model discloses a quartz sand purification calcining device with temperature control function to solve the problems in the above background.
[0005] To solve the above technical problem, the utility model provides a quartz sand purification calcining device with temperature control function, which comprises a box body, a magnetic screen assembly and a heating assembly are arranged in the box body, the magnetic screen assembly comprises a discharge port arranged at the top of the box body, a first movable drawer is slidably connected to one side of the box body, a collecting box is arranged on one side of the box body, a first spring and a scraper are arranged above the collecting box, the two ends of the first spring are fixedly connected with the scraper and the first movable drawer, a magnetic roller is arranged below the discharge port, the magnetic roller is rotatably connected to the inner side wall of the box body, a first motor is mounted on the outer side wall of the box body, the drive shaft of the first motor is in transmission connection with the magnetic roller, the magnetic roller abuts against the scraper, an inclined plate is arranged on the inner side wall of the box body, and the inclined plate is located below the magnetic roller.
[0006] Further, protrusions are mounted on the two sides of the first movable drawer and the collecting box, and the box body is provided with a sliding groove one matched with the protrusions.
[0007] Further, the heating assembly comprises a second movable drawer arranged below the first movable drawer, a sieve screen is arranged in the second movable drawer, second springs are fixedly connected to the two sides of the sieve screen, the other ends of the second springs are fixedly connected with the inner wall of the second movable drawer, a centrifugal block is arranged below the sieve screen, a second motor is mounted on the outer wall of the box body, the second motor is connected with a rotating shaft, the rotating shaft is rotationally connected with the box body, and the rotating shaft is fixedly connected with the centrifugal block.
[0008] Further, a groove is formed in the side of the second movable drawer close to the second motor, the diameter of the groove is slightly larger than the maximum diameter of the centrifugal block, and the two sides of the second movable drawer are provided with convex strips.
[0009] Further, a bottom net is arranged at the bottom of the second movable drawer, and a heat supply bin is mounted below the bottom net.
[0010] Further, the first movable drawer and the second movable drawer are respectively provided with a first pull handle and a second pull handle on the outer side of the box body.
[0011] Further, a PID controller is mounted on the upper surface of the box body, and the PID controller is electrically connected with the first motor, the second motor and the heating block.
[0012] Compared with the prior art, the utility model has the advantages that:
[0013] 1、The utility model discloses a magnetic roller is designed, can effectively adsorb and remove the magnetic impurity in quartz sand, improves the purity of quartz sand, and the scraper keeps close contact with the magnetic roller under the action of the first spring, ensures that the impurity is scraped in time, avoids the accumulation of the impurity on the magnetic roller.
[0014] 2、The utility model discloses the combination use of sieve screen and centrifugal block makes quartz sand can produce jumping and rolling in the calcination process, thereby more evenly contacts the heating source, improves the uniformity and quality of calcination, and the electrical connection of PID controller, temperature sensor, heating block, motor and other components realizes the accurate control to temperature, sets up multiple ladder temperature and threshold value, and adjusts the heating rate and the cooling rate, ensures the stability and controllability of temperature in the calcination process. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is a kind of quartz sand purification calcining device main body with temperature control function structure schematic view;
[0016] Figure 2 It is a kind of quartz sand purification calcining device magnetic screen component structure schematic view;
[0017] Figure 3It is an internal section view of a quartz sand purification calcining device with temperature control function;
[0018] Figure 4 It is a screen mesh structure schematic view in a quartz sand purification calcining device with temperature control function;
[0019] Figure 5 It is a screen mesh bottom structure schematic view in a quartz sand purification calcining device with temperature control function;
[0020] Figure 6 It is a heat supply bin structure schematic view in a quartz sand purification calcining device with temperature control function.
[0021] In the figure:
[0022] 1, box; 2, discharge port; 3, first moving drawer; 4, second moving drawer; 5, first pull handle; 6, second pull handle; 7, first motor; 8, magnetic roller; 9, first spring; 10, scraper; 11, bottom screen; 12, collection box; 13, inclined plate; 14, heat supply bin; 15, heating block; 16, second motor; 17, rotating shaft; 18, centrifugal block; 19, screen; 20, convex strip; 21, second spring; 22, protruding block. DETAILED DESCRIPTION
[0023] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0024] Please refer to Figures 1-6 The present application provides a technical solution:
[0025] Please refer to Figure 1 and Figure 2As shown, a quartz sand purification calcining device with temperature control function, including box body 1, box body 1 is equipped with magnetic screen assembly and heating assembly, magnetic screen assembly includes the discharge port 2 arranged at the top of box body 1, the first mobile drawer 3 is slidably connected to one side of box body 1, the collecting box 12 is arranged at one side of the first mobile drawer 3 in the box body 1, the first spring 9 and the scraper 10 are arranged above the collecting box 12, the both ends of the first spring 9 are fixedly connected with the scraper 10 and the first mobile drawer 3, the magnetic roller 8 is arranged below the discharge port 2, the magnetic roller 8 is rotatably connected to the inner side wall of the box body 1, the first motor 7 is mounted on the outer side wall of the box body 1, the driving shaft of the first motor 7 is in transmission connection with the magnetic roller 8, the magnetic roller 8 abuts against the scraper 10, the inclined plate 13 is arranged on the inner side wall of the box body 1, and the inclined plate 13 is located below the magnetic roller 8. In the specific implementation process, the quartz sand enters the box body 1 through the discharge port 2, falls on the rotating magnetic roller 8, the magnetic roller 8 adsorbs the magnetic impurities in the quartz sand through magnetic force, the scraper 10 keeps contact with the magnetic roller 8 under the elastic force of the first spring 9, and the impurities on the magnetic roller 8 are continuously scraped off, the screened quartz sand slides along the inclined plate 13 and falls into the collecting box 12, and finally is taken out through the first mobile drawer 3, and the quartz sand not adsorbed by the magnetic roller 8 will fall into the heating assembly through the inclined plate 13.
[0026] It should be noted that the magnetic roller 8 is made of electromagnet material, the electromagnet is powered off after one rotation of the magnetic roller 8, so that the magnetic roller 8 loses magnetism, and the impurities on the magnetic roller 8 close to the scraper 10 fall into the collecting box 12.
[0027] Referring to Figure 2 As shown, the first mobile drawer 3 and the collecting box 12 are provided with protrusions 22, and the box body 1 is provided with a sliding groove 1 matched with the protrusions 22. In the specific implementation process, when the quartz sand in the collecting box 12 reaches a certain amount, the user can stop the first motor 7, and easily pull out the first mobile drawer 3 together with the collecting box 12 from the box body 1 through the cooperation of the sliding groove 1 and the protrusions 22, so as to collect or further process the quartz sand.
[0028] Referring to Figure 3 , Figure 4 and Figure 5As shown, the heating assembly comprises a second movable drawer 4 arranged below the first movable drawer 3, the second movable drawer 4 is provided with a screen 19, the screen 19 is fixedly connected with second springs 21 on both sides, the other end of the second spring 21 is fixedly connected with the inner wall of the second movable drawer 4, the screen 19 is provided with a centrifugal block 18 below, the outer wall of the box body 1 is provided with a second motor 16, the second motor 16 is connected with a rotating shaft 17, the rotating shaft 17 is rotatably connected with the box body 1, and the rotating shaft 17 is fixedly connected with the centrifugal block 18. In the specific implementation process, the quartz sand screened by the magnetic roller 8 will fall on the screen 19, at this time, the second motor 16 is started, the rotating shaft 17 and the centrifugal block 18 are driven to rotate, the rotation of the centrifugal block 18 will produce high-frequency vibration, which is transmitted to the quartz sand through the screen 19, so that the quartz sand jumps and rolls on the screen 19, and in the calcination process, the jumping and rolling quartz sand particles can more uniformly contact the heating source, thereby ensuring the uniform heating of the quartz sand, which helps to improve the quality of calcination and avoids the difference in quality of the quartz sand caused by uneven heating.
[0029] Referring to Figure 4 and Figure 5 As shown, the side of the second movable drawer 4 close to the second motor 16 is provided with a groove, the diameter of the groove is slightly larger than the maximum diameter of the centrifugal block 18, the two sides of the second movable drawer 4 are provided with protrusions 20, and the box body 1 is provided with a sliding groove two matched with the protrusions 20. In the specific implementation process, the second movable drawer 4 can stably slide along the sliding groove two in the box body 1 through the protrusions 20, which is convenient for users to pull out or push in the second movable drawer 4 for collecting or cleaning the quartz sand, and when the second movable drawer 4 is pulled out or pushed in, the centrifugal block 18 will not interfere with the second movable drawer 4 due to the existence of the groove.
[0030] Referring to Figure 6 As shown, the bottom of the second movable drawer 4 is provided with a bottom net 11, the bottom net 11 is provided with a heating bin 14 below, and the heating bin 14 is provided with a heating block 15. In the specific implementation process, the heating block 15 is made of an electric heating tube, which generates heat through electrification, and the heat is transmitted to the quartz sand on the screen 19 through the bottom net 11, realizing the calcination process.
[0031] Referring to Figure 1 As shown, the first movable drawer 3 and the second movable drawer 4 are respectively provided with a first pull handle 5 and a second pull handle 6 outside the box body 1. In the specific implementation process, when the first movable drawer 3 needs to be taken out, the user can hold the first pull handle 5 and pull it outwards, and when the second movable drawer 4 needs to be taken out, the user can hold the second pull handle 6 and pull it outwards to stably pull out the second movable drawer 4 from the box body 1.
[0032] Referring to Figure 1As shown, a PID controller is installed on the upper surface of the housing 1. The PID controller is electrically connected to the first motor 7, the second motor 16, and the heating block 15. In the specific implementation, a temperature sensor is installed above the heating chamber 14. The PID controller receives the real-time temperature value transmitted by the temperature sensor, compares it with the target temperature, adjusts the speed of the first motor 7 and the second motor 16 in real time, and can control the power-on state of the first motor 7, cut off the power to the magnetic roller 8, and control the power of the heating block 15, thereby achieving precise temperature control.
[0033] It should be noted that: the upper limit of the temperature range to be controlled is set to 1200℃~1500℃, and the lower limit is set to 700℃~900℃. Multiple temperature steps are set in 100℃ intervals. During the heating stage, when the temperature is lower than the first set temperature threshold, the heating block 15 starts and heats at a preset heating rate, such as 10℃-50℃ per minute, until the temperature reaches the second threshold. During the heat preservation stage, when the temperature reaches the second threshold, the heating block 15 stops working, and the system enters the heat preservation state until the temperature is lower than the third threshold, which is slightly lower than the second threshold to ensure temperature stability. During the cooling stage, when the temperature is higher than the third threshold, the PID controller adjusts the power of the heating block 15 to control the temperature cooling rate to 10℃-50℃ per minute, thereby achieving a slow temperature reduction.
[0034] Working principle:
[0035] Step 1: Quartz sand enters the box 1 through the feed port 2 and falls onto the rotating magnetic roller 8. The magnetic roller 8 uses magnetic force to attract magnetic impurities in the quartz sand. Under the elastic force of the first spring 9, the scraper 10 keeps in contact with the magnetic roller 8 and continuously scrapes off the impurities on the magnetic roller 8. The screened quartz sand slides down the inclined plate 13 into the collection box 12.
[0036] Step two: the screened quartz sand falls on the screen 19 in the second mobile drawer 4, start the second motor 16, drive the rotating shaft 17 and centrifugal block 18 rotation, produce high frequency vibration, make the quartz sand on the screen 19 produce jumping and rolling, heating block 15 power generation heat, through the bottom net 11 to the quartz sand on the screen 19, realize its calcination process, PID controller through receiving the real-time temperature value transmitted by temperature sensor, and compare it with the target temperature, real-time adjustment of the first motor 7 and the second motor 16 speed, and the power of heating block 15, so as to realize the accurate control of temperature, set the temperature range to be controlled, and set multiple ladder temperature according to certain interval, in the heating stage, when the temperature is lower than the first temperature threshold, heating block 15 starts, and heats according to the preset heating rate, until the temperature reaches the second threshold, in the holding stage, when the temperature reaches the second threshold, heating block 15 stops working, the system enters the holding state until the temperature is lower than the third threshold, in the cooling stage, when the temperature is higher than the third threshold, PID controller controls the temperature cooling rate by adjusting the power of heating block 15, realizes the slow decrease of temperature.
Claims
1. A quartz sand purification and calcination device with temperature control function, characterized in that, Including the box (1), the box (1) is equipped with magnetic screen assembly and heating assembly, the magnetic screen assembly includes the discharge port (2) arranged at the top of the box (1), the first mobile drawer (3) is slidably connected to one side of the box (1), the first mobile drawer (3) is provided with a collection box (12) on one side in the box (1), the first spring (9) and the scraper (10) are arranged above the collection box (12), the two ends of the first spring (9) are fixedly connected with the scraper (10) and the first mobile drawer (3), the magnetic roller (8) is arranged below the discharge port (2), the magnetic roller (8) is rotatably connected to the inner side wall of the box (1), the first motor (7) is installed on the outer side wall of the box (1), the driving shaft of the first motor (7) is in transmission connection with the magnetic roller (8), the magnetic roller (8) abuts against the scraper (10), the inclined plate (13) is arranged on the inner side wall of the box (1), and the inclined plate (13) is located below the magnetic roller (8).
2. The quartz sand purification and calcination device with temperature control function according to claim 1, characterized in that: The first mobile drawer (3) and the collection box (12) are provided with protrusions (22) on both sides, and the box (1) is provided with a sliding groove one matched with the protrusions (22).
3. The quartz sand purification and calcination device with temperature control function according to claim 2, characterized in that: The heating assembly includes the second mobile drawer (4) arranged below the first mobile drawer (3), the second mobile drawer (4) is provided with a screen (19), the screen (19) is fixedly connected with the second spring (21) on both sides, the other end of the second spring (21) is fixedly connected with the inner wall of the second mobile drawer (4), the centrifugal block (18) is arranged below the screen (19), the second motor (16) is installed on the outer wall of the box (1), the second motor (16) is connected with a rotating shaft (17), the rotating shaft (17) is rotatably connected with the box (1), and the rotating shaft (17) is fixedly connected with the centrifugal block (18).
4. The quartz sand purification and calcination device with temperature control function according to claim 3, characterized in that: The second mobile drawer (4) is provided with a recess on one side close to the second motor (16), the diameter of the recess is slightly larger than the maximum diameter of the centrifugal block (18), the second mobile drawer (4) is provided with a protrusion (20) on both sides, and the box (1) is provided with a sliding groove two matched with the protrusion (20).
5. The quartz sand purification and calcination device with temperature control function according to claim 4, characterized in that: The second mobile drawer (4) is provided with a bottom net (11) at the bottom, and a heat supply bin (14) is installed below the bottom net (11), the heat supply bin (14) is provided with a heating block (15).
6. The quartz sand purification and calcination device with temperature control function according to claim 5, characterized in that: The first mobile drawer (3) and the second mobile drawer (4) are provided with a first pull handle (5) and a second pull handle (6) respectively on one side of the box (1).
7. The quartz sand purification and calcination device with temperature control function according to claim 6, characterized in that: The PID controller is installed on the upper surface of the box (1), and the PID controller is electrically connected with the first motor (7), the second motor (16) and the heating block (15).