A solar ammonium perchlorate drying chamber and automatic temperature control method thereof

Abstract

The present invention belongs to the technical field of drying equipment, and relates to a solar ammonium perchlorate drying chamber and an automatic temperature control method thereof. The present invention includes a drying chamber body and a solar water heater, wherein the drying chamber body includes two horizontally arranged drying cylinders, the two drying cylinders are fixedly connected and connected through a connecting port; a shaft tube is coaxially installed in each drying cylinder, the shaft tube is connected to the solar water heater, a scraper is fixedly sleeved on the shaft tube, the scraper is in sliding contact with the inner wall of the drying cylinder, and a second water cavity connected to the solar water heater is provided in the scraper. Under the action of the guide unit, the ammonium perchlorate impacts the second guide plate and the first guide plate, which has a dispersing effect on the bonded ammonium perchlorate, and at the same time has a flipping effect on the ammonium perchlorate, so that the ammonium perchlorate is heated evenly, which is beneficial to improving the drying efficiency. Under the action of the spring pin, the rotating guide plate rotates, and the ammonium perchlorate between the rotating guide plate and the first guide plate is squeezed and crushed.

Description

Technical Field

[0001] The invention belongs to the technical field of drying equipment and relates to a solar ammonium perchlorate drying chamber and an automatic temperature control method thereof. Background Art

[0002] As a strong oxidant, ammonium perchlorate is widely used in aerospace and people's daily life. In order to improve the purity and chemical stability of ammonium perchlorate and improve the safety of storage and use, ammonium perchlorate needs to be dried. At present, the main method for drying ammonium perchlorate is to dry it in a high-temperature vibration dryer or by drying methods such as sunlight. The drying method of the high-temperature vibration dryer consumes a lot of electricity, while the method of sunlight exposure takes a lot of time and the drying efficiency is not high.

[0003] In order to solve the above problems, the present invention provides a solar ammonium perchlorate drying chamber and an automatic temperature control method thereof. Summary of the invention

[0004] In order to solve the problems existing in the background technology, the present invention provides a solar ammonium perchlorate drying chamber and an automatic temperature control method thereof.

[0005] In order to achieve the above-mentioned purpose, the technical scheme adopted by the present invention is as follows: a solar ammonium perchlorate drying chamber, comprising a drying chamber body and a solar water heater, wherein the drying chamber body comprises two horizontally arranged drying cylinders, the two drying cylinders are fixedly connected and connected through a connecting port; an axle tube is rotatably installed in each drying cylinder, and the axle tube is coaxially arranged with the corresponding drying cylinder; a scraper is fixedly sleeved on the axle tube, the scraper is in sliding contact with the inner wall of the drying cylinder, and a second water cavity connected with the solar water heater is provided in the scraper; a sealing door is provided on the lower side of the drying cylinder; the sealing door is opened, ammonium perchlorate is placed at the bottom of the drying cylinder, the scraper rotates, the first end of the scraper rotates in a direction away from the connecting port and scrapes up the ammonium perchlorate at the bottom of the drying cylinder, so that the ammonium perchlorate rolls along the inner wall of the drying cylinder, and then the ammonium perchlorate falls onto the scraper and moves to the second end of the scraper, and then the ammonium perchlorate on the scraper slides from the second end of the scraper and enters another drying cylinder through the connecting port;

[0006] A guide unit is installed on the scraper, and the guide unit is arranged on one side of the scraper's rotation direction. The guide unit includes a first guide plate, a support rod and a second guide plate; the first guide plate is fixed on the scraper, the support rod is fixedly connected to the first guide plate, and the second guide plate is installed on the support rod; the side of the first guide plate close to the shaft tube is inclined in the direction away from the scraper, and the side of the second guide plate close to the shaft tube is inclined in the direction close to the scraper.

[0007] The second water cavity is communicated with the shaft tube, and the shaft tube is communicated with the solar water heater. Water in the solar water heater enters from the inflow end of the shaft tube, then enters into the second water cavity and flows out from the outflow end of the shaft tube.

[0008] One of the second guide plates is a rotating guide plate, which is elastically rotatably connected to the corresponding scraper, and a spring pin cooperating with the rotating guide plate is arranged on the inner wall of the drying cylinder.

[0009] Furthermore, a partition is fixedly installed in the second water chamber, and there is a gap between the partition and both ends of the second water chamber. One end of the partition in the shaft tube is fixedly connected to the first baffle, and the other end is fixedly connected to the second baffle. The partition, the first baffle and the second baffle divide the interior of the shaft tube into an inflow chamber and an outflow chamber. The inflow chamber is connected to the inflow end of the shaft tube, and the outflow chamber is connected to the outflow end of the shaft tube.

[0010] Furthermore, guide units are installed on both sides of the scraper.

[0011] Furthermore, a first water cavity is provided on the side wall of the drying chamber body, and the first water cavity is communicated with the water outlet of the solar water heater.

[0012] Furthermore, the upper part of the first water chamber is connected to a first water outlet pipe, the first water outlet pipe is connected to a return pipe, the return pipe is connected to an insulated water tank, the insulated water tank is connected to the water inlet end of the water pump, the water outlet end of the water pump is connected to the water inlet end of the solar water heater; the outflow end of the shaft tube is connected to the return pipe.

[0013] Further, the water outlet of the solar water heater is connected to the first water cavity through a first connecting pipe, and a first flow control valve is installed on the first connecting pipe; the water outlet of the water pump is connected to the first water cavity through a second connecting pipe, and a second flow control valve is installed on the second connecting pipe; the inflow end of the shaft pipe is connected to the water outlet of the solar water heater through a third connecting pipe, and a third flow control valve is installed on the third connecting pipe; the water outlet of the water pump and the inflow end of the shaft pipe are connected through a fourth connecting pipe, and a fourth flow control valve is installed on the fourth connecting pipe;

[0014] A first temperature sensor is arranged in the first water chamber, and a second temperature sensor is arranged in the scraper;

[0015] The first temperature sensor, the second temperature sensor, the first flow control valve, the second flow control valve, the third flow control valve and the fourth flow control valve are all electrically connected to the controller.

[0016] The present invention discloses an automatic temperature control method for a solar ammonium perchlorate drying chamber, characterized in that it comprises the following steps:

[0017] S1, opening the water outlet end of the solar water heater and the water outlet end of the water pump, and the solar water heater and the water pump transport water to the first water chamber and the shaft tube;

[0018] S2, the water entering the first water chamber heats the drying cylinder; the water entering the shaft tube enters the scraper to heat the scraper;

[0019] S3, the first temperature sensor measures the temperature of the drying cylinder, and the second temperature sensor measures the temperature of the scraper;

[0020] S4, the first temperature sensor transmits the measured value to the controller, the controller compares the measured value with the preset range, and adjusts the flow of the first flow control valve and the second flow control valve, thereby adjusting the temperature in the drying cylinder;

[0021] S5. The second temperature sensor transmits the measured value to the controller, and the controller compares the measured value with the preset range and adjusts the flow of the third flow control valve and the fourth flow control valve, thereby adjusting the temperature of the scraper.

[0022] Compared with the prior art, the present invention has the following beneficial effects: the scraper pushes the ammonium perchlorate to move along the inner wall of the drying cylinder to dry the ammonium perchlorate; when the first end of the scraper gradually tilts upward, the ammonium perchlorate falls onto the scraper and falls into another drying cylinder along the scraper; the scraper further dries the ammonium perchlorate.

[0023] When the drying cylinder moves on the scraper, under the action of the guide unit, the ammonium perchlorate impacts the second guide plate and the first guide plate, which has a crushing effect on the adhered ammonium perchlorate and also has a flipping effect on the ammonium perchlorate, so that the ammonium perchlorate is heated evenly, which is beneficial to improving the drying efficiency.

[0024] Under the action of the spring pin, the rotating guide plate rotates to squeeze and crush the ammonium perchlorate between the rotating guide plate and the first guide plate, which is beneficial to improving the drying efficiency.

[0025] At the same time, when the rotating guide plate contacts or separates from the spring pin, the scraper will vibrate, preventing the ammonium perchlorate from sticking to the scraper and allowing the ammonium perchlorate to slide smoothly down along the scraper. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0027] Figure 2 This is a schematic diagram of the external structure of the drying cylinder in the first direction of the present invention;

[0028] Figure 3 is a schematic diagram of the external structure of the drying cylinder in the second direction of the present invention;

[0029] Figure 4 It is a schematic diagram of the internal structure of the drying cylinder in the present invention;

[0030] Figure 5 The present invention Figure 4 A magnified view of part A;

[0031] Figure 6 It is a structural schematic diagram of the guide unit in the present invention;

[0032] Figure 7 It is a schematic diagram of the internal structure of the axle tube in the present invention;

[0033] Figure 8 It is a partial cross-sectional view of the scraper in the present invention.

[0034] In the figure: 1, base; 2, drying cylinder; 3, first water cavity; 4, water inlet pipe; 5, first water outlet pipe; 6, shaft tube; 601, inflow cavity; 602, outflow cavity; 7, scraper; 8, second water outlet pipe; 9, return pipe; 10, motor; 11, first gear; 12, second gear; 13, first baffle; 14, second baffle; 15, partition; 16, first guide plate; 17, support rod; 18, rotating guide plate; 19, fixed guide plate; 20, spring pin; 21, sealing door; 22, solar water heater; 23, water pump; 24, thermal insulation water tank; 25, second water cavity. DETAILED DESCRIPTION

[0035] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0036] like Figure 1-Figure 8 As shown, the technical solution adopted by the present invention is as follows: A solar ammonium perchlorate drying chamber includes a base 1, a drying chamber body, a solar water heater 22 and a scraper 7. The drying chamber body is fixedly mounted on the base 1. The drying chamber body includes two horizontally arranged drying cylinders 2, the axes of the two drying cylinders 2 are parallel to each other, and the two drying cylinders 2 are fixedly connected in parallel on the left and right. A connecting port is provided at the connection of the two drying cylinders 2, and the two drying cylinders 2 are connected through the connecting port. A material port is provided on one of the drying cylinders 2, and the material port is located at the bottom of the drying cylinder 2. A sealing door 21 for blocking the material port is installed on the drying cylinder 2. The ammonium perchlorate to be dried is added into the drying cylinder 2 through the material port, or the dried ammonium perchlorate is taken out.

[0037] A first water cavity 3 is provided on the side wall of the drying cylinder 2. A water inlet pipe 4 connected to the first water cavity 3 is provided at the lower part of the drying cylinder 2. The water inlet pipe 4 is connected to the water outlet of the solar water heater 22 through a first connecting pipe. A first flow control valve is installed on the first connecting pipe.

[0038] The water inlet pipe 4 is also connected to the water outlet of the water pump 23 through a second connecting pipe, and a second flow control valve is installed in the second connecting pipe. A first temperature sensor is installed in the first water chamber 3. The first flow control valve, the second flow control valve and the first temperature sensor are all electrically connected to the controller.

[0039] A first water outlet pipe 5 connected to the first water chamber 3 is installed between the upper parts of the two drying cylinders 2. The first water outlet pipe 5 is connected to a return pipe 9, and the first water outlet pipe 5 is connected to the return pipe 9. The return pipe 9 is connected to the insulated water tank 24. The insulated water tank 24 is connected to the water inlet end of the water pump 23. The water outlet end of the water pump 23 is connected to the water inlet end of the solar water heater 22.

[0040] A shaft tube 6 is rotatably mounted in each drying cylinder 2, and the shaft tube 6 is coaxially arranged with the corresponding drying cylinder 2. Specifically, a motor 10 is fixedly mounted on each drying cylinder 2, and a first gear 11 is coaxially fixedly connected to the motor 10. A second gear 12 is coaxially fixedly connected to each shaft tube 6, and the second gear 12 is meshed with the corresponding first gear 11. The motor 10, the first gear 11, and the second gear 12 are all arranged outside the drying cylinder 2.

[0041] One end of the shaft tube 6 is the inflow end, and the other end of the shaft tube 6 is the outflow end. The outflow end of the shaft tube 6 is connected to the return pipe 9 through the second outlet pipe 8. The inflow end of the shaft tube 6 is connected to the solar water heater 22 through the third connecting pipe, and the third flow control valve is installed on the third connecting pipe. The outlet end of the water pump 23 is connected to the inflow end of the shaft tube 6 through the fourth connecting pipe, and the fourth flow control valve is installed on the fourth connecting pipe.

[0042] Each drying cylinder 2 is provided with a scraper 7 rotatably mounted therein. The scraper 7 is fixedly connected to the shaft tube 6, and the shaft tube 6 passes through the scraper 7. The first end and the second end of the scraper 7 are in sliding contact with the inner wall of the drying cylinder 2. The scraper 7 is provided with a second water cavity 25, which passes through the side wall of the shaft tube 6, and the shaft tube 6 is connected to the second water cavity 25. A partition 15 is fixedly mounted therein, and there is a gap between the partition 15 and both ends of the second water cavity 25. Figure 7As shown, the right end of the shaft tube 6 is the inflow end, and the left end of the shaft tube 6 is the outflow end. A second baffle 14 is fixedly connected between the left side of the partition 15 in the shaft tube 6 and the lower inner wall of the shaft tube 6, and a first baffle 13 is fixedly connected between the right side of the partition 15 in the shaft tube 6 and the upper inner wall of the shaft tube 6. The first baffle 13 and the second baffle 14 are both semicircular and adapted to the shaft tube 6. The partition 15, the first baffle 13 and the second baffle 14 divide the interior of the shaft tube 6 into an inflow chamber 601 and an outflow chamber 602. The inflow chamber 601 is connected to the inflow end of the shaft tube 6, and the outflow chamber 602 is connected to the outflow end of the shaft tube 6.

[0043] like Figure 7 , Figure 8 As shown, water flows in from the inlet end of the shaft tube 6. Due to the obstruction of the first baffle 13, the water flows forward along the inlet chamber 601 and enters the second water chamber 25 on one side of the partition 15, and then flows to the two ends of the second water chamber 25. After that, the water flows from the end of the second water chamber 25 into the second water chamber 25 on the other side of the partition 15, and flows into the outflow chamber 602 along the partition 15, and flows out from the outflow end of the shaft tube 6.

[0044] A second temperature sensor is disposed in the second water chamber 25 , and the third flow control valve, the fourth flow control valve and the second temperature sensor are all electrically connected to the controller.

[0045] Both sides of the scraper 7 are provided with multiple guide units, the multiple guide units on the same side are located on the same side of the shaft tube 6, and the guide units on the two sides are located on different sides of the shaft tube 6. The guide unit is located on one side of the scraper 7 in the rotation direction.

[0046] Each guide unit includes a first guide plate 16, a support rod 17, and a second guide plate. The first guide plate 16 is fixedly connected to the scraper 7, and the side of the first guide plate 16 close to the shaft tube 6 is inclined in the direction away from the scraper 7, the support rod 17 is fixedly connected to the first guide plate 16, and the second guide plate is connected to the scraper 7, and the side of the second guide plate close to the axis of the shaft tube 6 is inclined in the direction close to the scraper 7.

[0047] In the guide unit near one end of the scraper 7, the second guide plate is a rotating guide plate 18, which is rotatably connected to the support rod 17 via a rotating rod, and a torsion spring is sleeved on the rotating rod, which is fixedly connected between the support rod 17 and the rotating guide plate 18.

[0048] A plurality of spring pins 20 are mounted on the inner wall of the drying cylinder 2, and the spring pins 20 cooperate with the side of the rotating guide plate 18 away from the shaft tube 6. When the rotating guide plate 18 contacts the spring pins 20, under the action of the spring pins 20, the rotating guide plate 18 rotates around the rotating rod, so that the ammonium perchlorate between the side of the rotating guide plate 18 away from the shaft tube 6 and the first guide plate 16 is squeezed, and the bonded ammonium perchlorate is crushed, which is conducive to drying the ammonium perchlorate. At the same time, the gap between the side of the rotating guide plate 18 close to the shaft tube 6 and the scraper 7 is increased, so that the ammonium perchlorate on the first guide plate 16 can be moved smoothly. After the rotating guide plate 18 passes over the spring pins 20, under the action of the torsion spring, the rotating guide plate 18 is quickly reset, and the ammonium perchlorate between the side of the rotating guide plate 18 close to the shaft tube 6 and the first guide plate 16 is squeezed.

[0049] The second guide plates in other guide units are all fixed guide plates 19 , which are fixedly connected to corresponding support rods 17 , and the side of the fixed guide plate 19 close to the shaft tube 6 is inclined toward the direction close to the scraper 7 .

[0050] Working principle:

[0051] The water pump 23 transports the water in the heat preservation water tank 24 to the solar water heater 22, and the solar water heater 22 heats the water therein using solar energy.

[0052] The water outlet of the solar water heater 22 and the water outlet of the water pump 23 are opened, and the solar water heater 22 and the water pump 23 transport water to the water inlet pipe 4 and the shaft pipe 6. The water in the water inlet pipe 4 enters the first water chamber 3, heats the drying cylinder 2, and makes the inner wall of the drying cylinder 2 at a certain temperature to dry the ammonium perchlorate. The water in the first water chamber 3 enters the return pipe 9 through the first water outlet pipe 5, and enters the heat preservation water tank 24 from the return pipe 9.

[0053] Water enters the inflow chamber 601 from the inflow end of the shaft tube 6, then flows from the inflow chamber 601 into the second water chamber 25 on one side of the partition 15, and flows to both ends of the second water chamber 25, then flows from the end of the second water chamber 25 into the second water chamber 25 on the other side of the partition 15, and flows to the outflow chamber 602, and then flows from the outflow end of the shaft tube 6 through the second water outlet pipe 8 and the return pipe 9 into the heat preservation water tank 24. The water flows through the second water chamber 25 and heats the scraper 7 to keep the scraper 7 at a certain temperature.

[0054] The first temperature sensor measures the temperature in the first water chamber 3. The first temperature sensor transmits the measured value to the controller, and the controller compares the measured value with the preset range. If the measured value is greater than the upper limit of the preset range, the flow rate of the first flow control valve is reduced, and the flow rate of the second flow control valve is increased, so that the measured value is within the preset range. If the measured value is less than the lower limit of the preset unit, the flow rate of the first flow control valve is increased, and the flow rate of the second flow control valve is reduced, so that the measured value is within the preset range.

[0055] Similarly, the second temperature sensor measures the temperature of the scraper 7, and the controller compares the measured value with the preset range. If the measured value is greater than the upper limit of the preset range, the flow rate of the third flow control valve is reduced, and the flow rate of the fourth flow control valve is increased, so that the measured value is within the preset range. If the measured value is less than the lower limit of the preset unit, the flow rate of the third flow control valve is increased, and the flow rate of the fourth flow control valve is reduced, so that the measured value is within the preset range.

[0056] like Figure 2 As shown, the sealing door 21 is arranged on the right drying cylinder 2. When in use, the sealing door 21 is opened, the ammonium perchlorate to be dried is placed in the drying cylinder 2, and then the sealing door 21 is closed.

[0057] Starter motor 10, such as Figure 4 As shown, the scraper 7 on the left side is rotated clockwise, and the scraper 7 on the right side is rotated counterclockwise.

[0058] In the drying cylinder 2 on the right, the scraper 7 rotates, and the first end of the scraper 7 contacts the bottom of the drying cylinder 2. As the scraper 7 rotates, the first end of the scraper 7 pushes the ammonium perchlorate at the bottom of the drying cylinder 2 to move, so that the ammonium perchlorate in the drying cylinder 2 on the right rolls upward along the inner wall of the drying cylinder 2, and the ammonium perchlorate absorbs the heat on the inner wall of the drying cylinder 2, and then the water in the ammonium perchlorate evaporates, achieving the purpose of drying. When the scraper 7 is in a horizontal state, as the scraper 7 continues to rotate, the ammonium perchlorate in the drying cylinder 2 gradually slides onto the scraper 7 and moves toward the second end along the scraper 7, and the ammonium perchlorate absorbs the heat on the scraper 7, and then the water therein evaporates, achieving the purpose of drying.

[0059] Specifically, as the scraper 7 rotates, the first end of the scraper 7 gradually tilts upward. Figure 6As shown, ammonium perchlorate slides from the first end of the scraper 7 to the first guide plate 16 corresponding to the rotating guide plate 18, and then under the guidance of the first guide plate 16, the ammonium perchlorate slides out from the first guide plate 16 and moves in the direction of the rotating guide plate 18, and impacts the rotating guide plate 18. The rotating guide plate 18 has a crushing effect on the bonded ammonium perchlorate, which is beneficial to increase the contact area between the ammonium perchlorate and the scraper 7, and is beneficial to improve the drying efficiency. At the same time, it has a flipping effect on the ammonium perchlorate, which is beneficial to make the ammonium perchlorate fully contact with the scraper 7, and is beneficial to improve the drying efficiency.

[0060] Then the ammonium perchlorate falls from the rotating guide plate 18 onto the scraper 7, and then moves to the first guide plate 16 of the next guide unit, and then falls from the first guide plate 16 to the corresponding fixed guide plate 19, and then slides from the fixed guide plate 19 to the first guide plate 16 of the next guide unit.

[0061] When the ammonium perchlorate falls onto the fixed guide plate 19, the fixed guide plate 19 has a crushing effect on the ammonium perchlorate and also has a turning effect on the ammonium perchlorate, which is beneficial to improving the drying efficiency.

[0062] As the scraper 7 rotates, when the rotating guide plate 18 contacts the spring pin 20, the rotating guide plate 18 rotates under the action of the spring pin 20, so that the gap between the side of the rotating guide plate 18 close to the shaft tube 6 and the scraper 7 becomes larger. The ammonium perchlorate between the side of the rotating guide plate 18 away from the shaft tube 6 and the first guide plate 16 is squeezed and crushed, and the gap between the side of the rotating guide plate 18 close to the shaft tube 6 and the scraper 7 is enlarged, so that the ammonium perchlorate between the rotating guide plate 18 and the first guide plate 16 can flow out smoothly. After the rotating guide plate 18 passes over the spring pin 20, the rotating guide plate 18 is quickly reset under the action of the torsion spring, and the ammonium perchlorate between the side of the rotating guide plate 18 close to the shaft tube 6 and the first guide plate 16 is squeezed.

[0063] When the rotating guide plate 18 hits the spring pin 20 and when the rotating guide plate 18 is quickly reset, the scraper 7 will be vibrated, preventing the ammonium perchlorate from sticking to the scraper 7, so that the ammonium perchlorate slides down along the scraper 7 smoothly.

[0064] Under the action of the guide unit, the ammonium perchlorate is constantly turned over, which is beneficial to improving the drying efficiency.

[0065] After the ammonium perchlorate passes through the multiple guide units in sequence, the ammonium perchlorate slides from the second end of the scraper 7 into the left drying cylinder 2. Similarly, the scraper 7 in the left drying cylinder 2 scrapes up the ammonium perchlorate again and drives the ammonium perchlorate to move, thereby further drying the ammonium perchlorate.

[0066] Afterwards, the ammonium perchlorate slides from the scraper 7 on the left side into the drying cylinder 2 on the right side, and the drying is completed. The sealed door 21 is opened to take out the dried ammonium perchlorate.

[0067] After the ammonium perchlorate in the right drying cylinder 2 is pushed away from the bottom of the drying cylinder 2 by the first end of the scraper 7, ammonium perchlorate can be put into the bottom of the right drying cylinder 2 again. In this way, the second end of the scraper 7 will scrape up the ammonium perchlorate put in for the second time, which is beneficial to further improve the drying efficiency.

[0068] Furthermore, as the scraper 7 rotates, each side of the scraper 7 will be in an idle state for a certain period of time, that is, it will not contact with the ammonium perchlorate, which is beneficial to the drying and heating of the side of the scraper 7 and helps to ensure the drying quality.

[0069] The present invention provides an automatic temperature control method for a solar ammonium perchlorate drying chamber, comprising the following steps:

[0070] S1. Open the water outlet of the solar water heater 22 and the output end of the water pump 23. The solar water heater 22 and the water pump 23 transport water to the first water chamber 3 and the shaft tube 6.

[0071] S2. The water entering the first water chamber 3 heats the drying cylinder 2; the water entering the shaft tube 6 enters the scraper 7 to heat the scraper 7.

[0072] S3 . The first temperature sensor measures the temperature of the drying cylinder 2 , and the second temperature sensor measures the temperature of the scraper 7 .

[0073] S4, the first temperature sensor transmits the measured value to the controller, the controller compares the measured value with the preset range, and adjusts the flow of the first flow control valve and the second flow control valve, thereby adjusting the temperature in the drying cylinder 2.

[0074] S5. The second temperature sensor transmits the measured value to the controller, and the controller compares the measured value with the preset range, and adjusts the flow of the third flow control valve and the fourth flow control valve, thereby adjusting the temperature of the scraper 7. Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to replace some of the technical features therein by equivalents, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A solar ammonium perchlorate drying chamber, comprising a drying chamber body and a solar water heater (22), characterized in that: The drying chamber body comprises two drying cylinders (2) arranged horizontally, the two drying cylinders (2) being fixedly connected and connected via a connecting port; a shaft tube (6) is rotatably mounted in each drying cylinder (2), and the shaft tube (6) is coaxially arranged with the corresponding drying cylinder (2); a scraper (7) is fixedly sleeved on the shaft tube (6), the scraper (7) is in sliding contact with the inner wall of the drying cylinder (2), and a second water chamber (25) connected to the solar water heater (22) is provided in the scraper (7); a sealing door is arranged at the lower side of the drying cylinder (2); (21); open the sealing door (21), put ammonium perchlorate into the bottom of the drying cylinder (2), rotate the scraper (7), rotate the first end of the scraper (7) in a direction away from the connecting port and scrape up the ammonium perchlorate at the bottom of the drying cylinder (2), so that the ammonium perchlorate rolls along the inner wall of the drying cylinder (2), then the ammonium perchlorate falls onto the scraper (7) and moves toward the second end of the scraper (7), then the ammonium perchlorate on the scraper (7) slides from the second end of the scraper (7) and enters another drying cylinder (2) through the connecting port; A guide unit is installed on the scraper (7), and the guide unit is arranged on one side of the scraper (7) in the direction of rotation, and the guide unit comprises a first guide plate (16), a support rod (17), and a second guide plate; the first guide plate (16) is fixed on the scraper (7), the support rod (17) is fixedly connected to the first guide plate (16), and the second guide plate is installed on the support rod (17); a side of the first guide plate (16) close to the shaft tube (6) is inclined in a direction away from the scraper (7), and a side of the second guide plate close to the shaft tube (6) is inclined in a direction close to the scraper (7); The second water chamber (25) is in communication with the shaft tube (6), the shaft tube (6) is in communication with the solar water heater (22), water in the solar water heater (22) enters from the inflow end of the shaft tube (6), then enters the second water chamber (25) and flows out from the outflow end of the shaft tube (6); One of the second guide plates is a rotating guide plate (18), the rotating guide plate (18) being elastically rotatably connected to a corresponding scraper (7), and a spring pin (20) cooperating with the rotating guide plate (18) is provided on the inner wall of the drying cylinder (2).

2. A solar ammonium perchlorate drying chamber according to claim 1, characterized in that: A partition (15) is fixedly installed in the second water chamber, and a gap is provided between the partition (15) and both ends of the second water chamber (25); one end of the partition (15) located in the shaft tube (6) is fixedly connected to the first baffle (13), and the other end is fixedly connected to the second baffle (14); the partition (15), the first baffle (13), and the second baffle (14) divide the interior of the shaft tube (6) into an inflow chamber (601) and an outflow chamber (602); the inflow chamber (601) is in communication with the inflow end of the shaft tube (6), and the outflow chamber (602) is in communication with the outflow end of the shaft tube (6).

3. A solar ammonium perchlorate drying chamber according to claim 1, characterized in that: Guide units are installed on both sides of the scraper (7).

4. A solar ammonium perchlorate drying chamber according to claim 1, characterized in that: A first water cavity (3) is provided on the side wall of the drying chamber body, and the first water cavity (3) is connected to the water outlet of the solar water heater (22).

5. A solar ammonium perchlorate drying chamber according to claim 4, characterized in that: The upper portion of the first water chamber (3) is connected to a first water outlet pipe (5), the first water outlet pipe (5) is connected to a return pipe (9), the return pipe (9) is connected to an insulated water tank (24), the insulated water tank (24) is connected to a water inlet end of a water pump (23), the water outlet end of the water pump (23) is connected to a water inlet end of a solar water heater (22); the outflow end of the shaft tube (6) is connected to the return pipe (9).

6. A solar ammonium perchlorate drying chamber according to claim 5, characterized in that: The water outlet of the solar water heater (22) is connected to the first water chamber (3) via a first connecting pipe, and a first flow control valve is installed on the first connecting pipe; the water outlet of the water pump (23) is connected to the first water chamber (3) via a second connecting pipe, and a second flow control valve is installed on the second connecting pipe; the inflow end of the shaft pipe (6) is connected to the water outlet of the solar water heater (22) via a third connecting pipe, and a third flow control valve is installed on the third connecting pipe; the water outlet of the water pump (23) is connected to the inflow end of the shaft pipe (6) via a fourth connecting pipe, and a fourth flow control valve is installed on the fourth connecting pipe; A first temperature sensor is arranged in the first water chamber (3), and a second temperature sensor is arranged in the scraper (7); The first temperature sensor, the second temperature sensor, the first flow control valve, the second flow control valve, the third flow control valve and the fourth flow control valve are all electrically connected to the controller.

7. An automatic temperature control method for a solar ammonium perchlorate drying chamber as claimed in claim 6, characterized in that: The following steps are involved: S1, opening the water outlet end of the solar water heater (22) and the water outlet end of the water pump (23), so that the solar water heater (22) and the water pump (23) transport water into the first water chamber (3) and the shaft tube (6); S2, the water entering the first water chamber (3) heats the drying cylinder (2); the water entering the shaft tube (6) enters the scraper (7) to heat the scraper (7); S3, the first temperature sensor measures the temperature of the drying cylinder (2), and the second temperature sensor measures the temperature of the scraper (7); S4, the first temperature sensor transmits the measured value to the controller, the controller compares the measured value with a preset range, and adjusts the flow rates of the first flow control valve and the second flow control valve, thereby adjusting the temperature in the drying cylinder (2); S5. The second temperature sensor transmits the measured value to the controller, which compares the measured value with a preset range and adjusts the flow rates of the third flow control valve and the fourth flow control valve, thereby adjusting the temperature of the scraper (7).

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