A chlorinated chemical raw material storage tank

Abstract

This invention relates to the field of storage tank technology, specifically disclosing a chlorinated chemical raw material storage tank, comprising: a storage tank and a heating device. The heating device has multiple heating ends evenly distributed along the circumference of the storage tank. A heating plate, inclined downwards from left to right, is hinged to the inner bottom of the storage tank. The upper end of the heating plate abuts against a sliding rod extending to the outside of the storage tank. A guide assembly is fixedly installed on the top of the storage tank to allow the heating assembly to rotate along the outer circumference of the storage tank. A push rod is provided between two heating ends located on both sides of the sliding rod. An inner gear ring and an outer gear ring, concentrically arranged with the storage tank, are respectively provided on the two push rods. Gears mesh between the inner and outer gear rings. An abutment assembly is also installed on the left inner wall of the storage tank. This invention enables the chemical raw material to adhere to one side of the raw material tank during melting, thereby accelerating melting. At the same time, the abutment assembly prevents the chemical raw material from tipping over during melting, thus avoiding interference with the melting process.

Description

Technical Field

[0001] This invention relates to the field of storage tank technology, and specifically to a storage tank for chlorinated chemical raw materials. Background Technology

[0002] In chlorination reactions, 1,2,4-trichlorobenzene is the main solvent and reaction medium. It can withstand the high temperatures required for strong chlorination reactions, preventing solvent volatilization from causing runaway reactions. The electron-withdrawing effect of the chlorinated substituents on the benzene ring makes it stable under strong oxidizing / chlorinating conditions and does not react with active chlorine. 1,2,4-trichlorobenzene has a melting point of 17°C and is prone to solidification in winter. Therefore, the problem of how to preserve trichlorobenzene when the outside temperature is low during long-term storage needs to be solved.

[0003] Chinese patent document CN113335783B discloses an automatic heating device for water circulation in a chemical storage tank, comprising a heating tank, wherein the heating tank and the heating pipe of the chemical storage tank form a heating circuit, and the heating tank is used to provide constant temperature hot water to the heating pipe of the chemical storage tank; the heating tank is provided with two partition plates inside, which divide the heating tank into a recovery zone, a centralized heating zone and an insulation zone from top to bottom; a booster pump is provided outside the heating tank and on one side of the insulation zone, and the booster pump is used to provide water circulation power for the heating circuit. The circulating water, through the temporary storage and collection in the recovery zone, the centralized heating in the centralized heating zone, and the insulation in the insulation zone, works together to maintain a constant temperature of the circulating water output from the heating tank. This ensures a sufficient supply of circulating heating water to the chemical storage tank, guaranteeing adequate water circulation, heating, and insulation, thereby ensuring the effectiveness of chemical storage. By calculating the temperature difference between the recovery zone and the insulation zone, and controlling the opening size of the steam control valve based on the absolute value of this temperature difference, the steam flow rate into the steam inlet pipe is controlled. This, in turn, controls the steam pressure inside the steam inlet pipe. As the steam pressure inside the steam inlet pipe gradually increases, multiple branch heating pipes gradually open according to their increasing distance from the main heating pipe group. This gradual activation of multiple branch heating pipes increases the contact area with the water, thereby improving the heat exchange effect.

[0004] In the above technical solution, the chemical raw materials are heated by an automatic heating system, which can also be used to heat and store trichlorobenzene. The storage tank can be kept warm to prevent trichlorobenzene from solidifying in winter. However, if the trichlorobenzene is stored for a long time, the energy consumption for keeping the storage tank warm for a long time is also high. When the trichlorobenzene is taken out in winter, it is necessary to thaw the trichlorobenzene solution quickly. The above technical solution can only thaw the trichlorobenzene close to the inner wall of the storage tank quickly. When there is a gap between the frozen trichlorobenzene and the storage tank, it is difficult to thaw the trichlorobenzene quickly. Summary of the Invention

[0005] This invention provides a storage tank for chlorinated chemical raw materials, aiming to solve the problem in related technologies where trichlorobenzene is difficult to thaw quickly after freezing.

[0006] A storage tank for chlorinated chemical raw materials includes: a storage tank and a heating device. The heating device has multiple heating ends, which are evenly distributed around the circumference of the storage tank. A heating plate, which is inclined downward from left to right, is hinged to the inner bottom of the storage tank. The upper end of the heating plate abuts against a sliding rod extending to the outside of the storage tank. The sliding rod is sealed to the storage tank. A guide assembly is fixedly installed on the top of the storage tank to allow the heating assembly to rotate around the outer circumference of the storage tank. An elastic element is provided between two adjacent heating ends. A push rod is provided between two heating ends located on both sides of the sliding rod. An inner gear ring and an outer gear ring are respectively provided on the two push rods and are concentrically arranged with the storage tank. A gear is rotatably installed on the top of the storage tank, which meshes with both the inner and outer gear rings. A connecting assembly is installed between the sliding rod and the gear. When the sliding rod moves upward, the gear rotates through the connecting assembly, thereby causing the inner and outer gear rings to rotate in opposite directions, thus pushing the heating ends toward the right side of the storage tank.

[0007] An abutment component is also installed on the inner wall of the left side of the storage tank. When the sliding rod is pushed upward, it pushes the abutment component to deflect to the right, thereby pushing the solid chemical raw material to the right and abutting it against the right side wall of the storage tank.

[0008] Its effect is as follows: by setting multiple heating ends and distributing them evenly around the storage tank, the heating of the storage tank is more uniform. After a portion of the trichlorobenzene in the storage tank melts, it slides towards the right side of the tank. At this point, the solidified trichlorobenzene contacts the inner wall of the right side of the tank, moving away from the inner wall of the left side. Because the trichlorobenzene slides on the heating plate, which is tilted downwards from left to right, the heating plate pushes the sliding rod upwards. When the sliding rod moves upwards, it causes the internal and external gear rings to rotate in different directions. The heating element moves by pushing rods on the inner and outer gear rings, causing the heating end to converge toward the right side of the storage tank, thus enhancing the heating of the right side of the tank and making the trichlorobenzene in the tank melt faster. By installing a contact component inside the storage tank, when the trichlorobenzene slides toward the right side of the tank, the contact component abuts the solidified trichlorobenzene, preventing the contact area between the trichlorobenzene and the right side of the tank from decreasing after the trichlorobenzene is poured out, which would affect the melting efficiency. At the same time, the contact component abuts against the solidified trichlorobenzene, which allows the sliding rod to gradually rise, thus causing the heating end to gradually converge toward the right side of the storage tank.

[0009] Preferably, the heating device includes an inlet pipe, to which multiple branch hoses are connected, and to which multiple rigid water pipes are connected. The heating end is a rigid water pipe made of a heat-conducting material. A heat-conducting plate is installed between the rigid water pipe and the storage tank. A return water pipe is connected to the bottom of the rigid water pipe. Hot water is introduced into the branch hoses through the inlet pipe and then flows into the rigid water pipe. The storage tank is heated through the rigid water pipe. When the hot water flows from the top to the bottom of the rigid water pipe, the heating effect of the hot water on the storage tank decreases, and it flows out from the return water pipe. The water in the return water pipe is then heated to achieve water circulation.

[0010] Preferably, the heating device is an electric heating wire, the heating end is a heat-conducting tube, and each heat-conducting tube is provided with a heating wire, which heats the heat-conducting tube.

[0011] Preferably, the bottom of the storage tank is fixedly provided with an installation shaft, and the bottom of the heating plate is fixedly provided with a protrusion. A pin is provided between the protrusion and the installation shaft, and a torsion spring is installed between the protrusion and the installation shaft to minimize the tilt angle of the heating plate from left to right when it is not under force. By setting the torsion spring, the heating plate is tilted to the right in the initial state, that is, when the trichlorobenzene has not yet solidified. After the trichlorobenzene melts, it forms a columnar structure with a tilted bottom. When the trichlorobenzene is further melted, the solidified trichlorobenzene slides to the right on the heating plate until it fits against the storage tank. When the trichlorobenzene slides to the right, it can further twist the torsion spring. After the trichlorobenzene is completely melted, the heating plate is reset under the action of the torsion spring.

[0012] Preferably, the elastic element is a spring, with its two ends connected to two adjacent heating ends respectively. When the push rod pushes the heating end to rotate, all the springs are compressed synchronously. By setting a spring between two adjacent heating ends, the spring is compressed when the heating end is pushed to move by the push rod, and the distance between the heating ends is always the same, resulting in more uniform heating of trichlorobenzene in the storage tank. All the heating ends converge to the right side of the storage tank at the same time.

[0013] Preferably, the guiding assembly includes two guide rails located on the top of the storage tank. The guide rails are annular tracks concentrically arranged with the storage tank. Two push rods are slidably disposed on the two guide rails respectively. Each heating end has a guide rod located on the top of the storage tank. A spring is located between two adjacent guide rods. Two guide blocks are fixedly disposed at the bottom of each guide rod and slidably disposed within the two guide rails respectively. By setting the guide rails and guide rods, when the push rod pushes the guide rod to slide within the guide rail, the guide rod drives the heating end to rotate about the axis of the storage tank, thus guiding the movement of the heating end.

[0014] Preferably, the connecting assembly includes a sleeve rotatably mounted on the top of the storage tank, a gear fixedly mounted on the sleeve, a spiral groove formed inside the sleeve, and a sliding protrusion slidably mounted inside the spiral groove at the end of a sliding rod. When the sliding rod moves upward, the sliding protrusion slides within the spiral groove, thereby causing the sleeve to rotate. The rotation of the sleeve drives the gear to rotate, which in turn causes the inner and outer gear rings to rotate in opposite directions.

[0015] Preferably, the left side of the heating plate has a telescopic rod with a groove at its end, and the end of the sliding rod has a stop block located in the groove. A compression spring is installed between the telescopic rod and the heating plate. Through the carefully designed combination of the telescopic rod, the groove, and the compression spring, when the heating plate deflects at a larger angle due to temperature changes, the compression spring will extend accordingly. This extension will cause the telescopic rod to extend outward from the inside of the heating plate, ensuring that the end of the groove can always fit tightly against the left inner wall of the storage tank and slide along the inner wall. As the groove moves, it will push the stop block to move up and down, thereby driving the sliding rod to move up and down accordingly. During the up and down movement of the sliding rod, it will drive the gear to rotate in both directions, thereby achieving the heating ends to converge toward the right side of the storage tank or to be evenly distributed on the outer periphery of the storage tank, so as to achieve a uniform heating effect.

[0016] Preferably, the abutment assembly includes a first rotating rod and a second rotating rod, which are hinged together. The first rotating rod is hinged to the inner wall on the left side of the storage tank, and a slider is hinged to the end of the second rotating rod. The slider is slidably disposed on the inner wall on the left side of the storage tank in a vertical direction. A push block is provided on the slider to abut against the slider. By setting up the abutment assembly, when the slider moves upward, the push block pushes the lower end of the second rotating rod upward, thereby causing both the first and second rotating rods to deflect. The left side of the unmelted trichlorobenzene is abutted through the hinge of the first and second rotating rods.

[0017] Preferably, the driving device includes a mounting ring concentrically arranged with the storage tank, an electric push rod hinged to the mounting ring, an electric telescopic rod provided on the mounting ring, and a push groove at the end of the electric telescopic rod. The heating end is located in the push groove and is inserted into the guide rod. By rotating the mounting ring, the push groove pushes the heating end, causing it to disengage from the guide rod and rotate, thereby achieving the purpose of uniformly heating the storage tank. After the storage tank has been heated for a period of time, the trichlorobenzene in the storage tank slides to the right a certain distance. Driven by the electric push rod, the mounting ring can be rotated, and the connection between the heating end and the guide rod can be re-established. Then, the electric telescopic rod drives the push groove to retract from the heating end. When the push rod pushes the guide rod to move, it can prevent the push groove from pushing the heating end to move, thereby preventing interference with the movement of the push rod.

[0018] By adopting the above technical solution, the beneficial effects of the present invention are as follows:

[0019] 1. During the heating process of solidified trichlorobenzene in the storage tank, the drive device is started. The drive device will drive the heating end to move around the storage tank, which can ensure that the heating end heats the trichlorobenzene in the storage tank evenly.

[0020] 2. After trichlorobenzene is heated for a period of time, due to the heating plate at the bottom of the storage tank that slopes downwards from left to right, the solidified trichlorobenzene will gradually slide towards the right side of the storage tank and adhere to the right side of the tank body. Since the trichlorobenzene is farther from the left side of the storage tank, only the right side needs to be heated. As the trichlorobenzene moves to the right, the downward slope of the heating plate gradually increases, and the left side of the heating plate moves upwards, causing the sliding rod to move upwards. The upward movement of the sliding rod will drive the gear to rotate, causing the internal and external gear rings to rotate in different directions. Through the push rods set on the internal and external gear rings, the heating end can be pushed towards the right side of the storage tank, heating the right side of the storage tank and thus accelerating the melting process of trichlorobenzene.

[0021] 3. A stop component is specially installed on the left wall of the storage tank. When the sliding rod moves upward, the stop component will stop against the left side of the trichlorobenzene, which can effectively prevent the trichlorobenzene from tilting to the left side when melting, thus affecting the melting efficiency of the trichlorobenzene. The sliding rod stops against the stop component. As the trichlorobenzene continues to melt, the heating end will continuously gather towards the right side of the storage tank, further improving the heating efficiency. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the structure of the external protective cover of the storage tank of the present invention.

[0023] Figure 2 This is a schematic diagram of the storage tank and heating device of the present invention.

[0024] Figure 3 This is a top view of the storage tank of the present invention.

[0025] Figure 4 This is a schematic diagram of the structure of the guide component of the present invention.

[0026] Figure 5 This is a schematic diagram of the heating plate and the contact assembly of the present invention.

[0027] Figure 6 This is a schematic diagram of the connection component of the present invention.

[0028] Figure 7 This is a schematic diagram of the drive device of the present invention.

[0029] Figure label:

[0030] 1. Storage tank; 2. Heating device; 21. Heating end; 22. Water inlet pipe; 23. Branch hose; 3. Drive device; 31. Mounting ring; 32. Electric push rod; 33. Electric telescopic rod; 34. Push groove; 4. Heating plate; 41. Mounting shaft; 42. Protrusion; 43. Pin; 44. Torsion spring; 45. Telescopic rod; 46. Slot; 47. Compression spring; 5. Sliding rod; 51. Stop block; 52. Push block; 6. Elastic element; 7. Guide assembly; 71. Guide rail; 72. Guide rod; 73. Guide block; 8. Push rod; 81. Internal gear ring; 82. External gear ring; 83. Gear; 9. Connecting assembly; 91. Sleeve; 92. Spiral groove; 93. Sliding protrusion; 10. Abutment assembly; 101. First rotating rod; 102. Second rotating rod; 103. Slider. Detailed Implementation

[0031] Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, and should not be construed as limiting the present invention.

[0032] like Figures 1-7 As shown, a chlorinated chemical raw material storage tank includes a storage tank 1, a heating device 2, and a heating plate 4. The heating device 2 includes multiple heating ends 21 evenly distributed around the outer periphery of the storage tank 1. The heating plate 4 is hinged to the bottom of the storage tank 1 and is arranged inclined downwards from left to right. A protective cover is provided on the outside of the storage tank 1 to protect it. A ladder is provided on the protective cover to facilitate maintenance personnel to enter the storage tank 1. When the temperature of the storage tank 1 is lower than 8.4 degrees Celsius, the trichlorobenzene inside the storage tank 1 will solidify. If the trichlorobenzene in the storage tank 1 is not used for a long time, and if... The storage tank 1 is insulated, which consumes a lot of energy. When removing the trichlorobenzene from the storage tank 1, the trichlorobenzene needs to be melted first, and then the melted trichlorobenzene is removed. The storage tank 1 is heated by multiple heating ends 21 of the heating device 2, so that the temperature of the storage tank 1 rises and melts the trichlorobenzene in the storage tank 1. The trichlorobenzene in the tank that is in contact with the heating plate 4 is heated by setting a heating plate 4, so that the trichlorobenzene melts into a cylindrical shape with a sloping bottom. Since the heating plate 4 is hinged to the bottom of the storage tank 1, the trichlorobenzene will move towards the right side of the storage tank 1.

[0033] In a specific embodiment of the present invention, the heating device 2 includes a water inlet pipe 22, to which multiple branch hoses 23 are connected, and to which multiple rigid water pipes are connected. The heating end 21 is a rigid water pipe, which is made of a heat-conducting material. A heat-conducting plate is installed between the rigid water pipe and the storage tank 1, and a return water pipe is connected to the bottom of the rigid water pipe. When heating the storage tank 1, warm water is supplied to the branch hoses 23 and the rigid water pipes through the water inlet pipe 22. The water temperature is transferred to the storage tank 1 through the heat-conducting plate, thereby melting the trichlorobenzene in the storage tank 1. The temperature of the warm water is between 25 and 35 degrees Celsius to avoid the trichlorobenzene from evaporating due to excessively high water temperature.

[0034] In other embodiments of the present invention, the heating device 2 is an electric heating wire, and the heating end 21 is a heat-conducting tube. Each heat-conducting tube is provided with a heating wire, which heats the heat-conducting tube. A heat-conducting plate is also installed between the heat-conducting tube and the storage tube to increase the contact area between the storage tank 1 and the heating end 21 to accelerate the melting speed of trichlorobenzene in the storage tank 1. It should be noted that, regardless of whether the storage tank 1 is heated by warm water or by a heating wire, the storage tank 1 is made of stainless steel for heat conduction.

[0035] The bottom of the storage tank 1 is fixedly provided with a mounting shaft 41, and the bottom of the heating plate 4 is fixedly provided with a protrusion 42. A pin 43 is provided between the protrusion 42 and the mounting shaft 41, and a torsion spring 44 is installed between the protrusion 42 and the mounting shaft 41 to minimize the tilt angle of the heating plate 4 from left to right when it is not under force. When the trichlorobenzene in the storage tank 1 melts, under the action of gravity, the trichlorobenzene will slide to the right, making the tilt angle of the heating plate 4 greater. At this time, the distance between the left side of the solidified trichlorobenzene block and the inner wall of the right side of the storage tank 1 is relatively far, while the right side is attached to the storage tank 1. Therefore, the right side of the storage tank 1 needs to be heated, and the left side of the storage tank 1 does not need to be heated.

[0036] To solve the above problems, a guide assembly 7 is fixedly installed on the top of the storage tank 1 to allow the heating assembly to rotate along the outer periphery of the storage tank 1. An elastic element 6 is provided between each of the two adjacent heating ends 21. A push rod 8 is provided between the two heating ends 21 on both sides of the sliding rod 5. An internal gear ring 81 and an external gear ring 82 are respectively provided on the two push rods 8, which are concentric with the storage tank 1. A gear 83 is rotatably provided on the top of the storage tank 1, which meshes with both the internal gear ring 81 and the external gear ring 82. A connecting assembly 9 is installed between the sliding rod 5 and the gear 83. When the sliding rod 5 moves upward, the gear 83 is rotated through the connecting assembly 9, which in turn causes the internal gear ring 81 and the external gear ring 82 to rotate in opposite directions.

[0037] The rotation of gear 83 drives the internal gear ring 81 and the external gear ring 82 to rotate in different directions. The internal gear ring 81 rotates counterclockwise and drives the push rod 8 mounted on it to rotate counterclockwise. The external gear ring 82 rotates clockwise and drives the push rod 8 mounted on it to rotate clockwise. Since there is an elastic element 6 between each pair of heating ends 21, the push rod 8 pushes all the heating ends 21 toward the right side of the storage tank 1 to heat the right side of the storage tank 1. At this time, the solidified trichlorobenzene adheres to the right side of the storage tank 1. Therefore, heating the right side of the storage tank 1 can accelerate the melting speed of trichlorobenzene. The guide component 7 guides the movement of the heating ends 21, so that the heating ends 21 rotate about the center of the storage tank 1.

[0038] The elastic element 6 is a spring, and the two ends of the spring are respectively connected to two adjacent heating ends 21. When the push rod 8 pushes the heating end 21 to rotate, all the springs are compressed synchronously. That is, when the push rod 8 pushes the heating end 21 to rotate, the distance between two adjacent heating ends 21 is always the same. No spring is set between the two push rods 8 on both sides of the sliding rod 5 to avoid restricting the push rod 8 from pushing the heating end 21 to rotate.

[0039] The guide assembly 7 includes two guide rails 71 formed on the top of the storage tank 1. The guide rails 71 are annular tracks concentrically arranged with the storage tank 1. Two push rods 8 are slidably arranged on the two guide rails 71 respectively. Each heating end 21 has a guide rod 72 located on the top of the storage tank 1. A spring is located between two adjacent guide rods 72. Two guide blocks 73 are fixedly arranged at the bottom of each guide rod 72 and are slidably arranged in the two guide rails 71 respectively. When the push rod 8 pushes the heating end 21 to rotate, the two guide blocks 73 on the guide rod 72 are slidably arranged in the two guide rails 71 respectively, so that each heating end 21 rotates about the axis of the storage tank 1.

[0040] When the trichlorobenzene in storage tank 1 melts, the solidified trichlorobenzene block will move towards the right side of storage tank 1. As the trichlorobenzene melts, the weight difference of trichlorobenzene on the left and right sides of heating plate 4 will increase, and the tilt angle of heating plate 4 from left to right will increase. Heating plate 4 will cause sliding rod 5 to move upward. A connecting assembly 9 is installed between sliding rod 5 and gear 83. When sliding rod 5 moves upward, it causes gear 83 to rotate through connecting assembly 9. Connecting assembly 9 includes a sleeve 91 rotatably set on the top of storage tank 1. Gear 83 is fixedly set on sleeve 91. A spiral groove 92 is opened in sleeve 91. A sliding protrusion 93 is fixedly set at the end of sliding rod 5 and slidably set in spiral groove 92. When sliding rod 5 moves upward, sliding protrusion 93 slides in spiral groove 92, thereby causing sleeve 91 to rotate. The rotation of sleeve 91 drives gear 83 to rotate. The rotation of gear 83 drives internal gear ring 81 and external gear ring 82 to rotate in opposite directions.

[0041] The heating plate 4 has a telescopic rod 45 on its left side, and the end of the telescopic rod 45 has a groove 46. The end of the sliding rod 5 has a stop 51 located in the groove 46. A compression spring 47 is installed between the telescopic rod 45 and the heating plate 4. When the tilt angle of the heating plate 4 from left to right increases, the telescopic rod 45 extends out of the heating plate 4, and the groove 46 always abuts against the inner wall of the storage tank 1. The groove 46 pushes the stop 51 to move upward, thereby causing the sliding rod 5 to move upward. When the remaining trichlorobenzene on the heating plate 4 is relatively small, the torsion spring 44 causes the heating plate to... When the heating plate 4 is reset, the tilt angle of the heating plate 4 from left to right will decrease. The slot 46 drives the stop block 51 to move downward, which in turn causes the sliding rod 5 to move downward. The downward movement of the sliding rod 5 causes the inner gear ring 81 and the outer gear ring 82 to rotate and bring the two push rods 8 closer together. At this time, the gap between the heating ends 21 increases. At this time, more trichlorobenzene melts. The contact area between trichlorobenzene and the storage tank 1 is relatively small and will not affect the melting speed of the unmelted trichlorobenzene. At this time, the trichlorobenzene can be heated by the heating plate 4 and the heating end 21 on the right side.

[0042] After a portion of the trichlorobenzene melts, the solidified trichlorobenzene moves towards the right side of storage tank 1. As the trichlorobenzene melts, its volume decreases. To prevent it from tilting to the left during melting, which would reduce the melting rate, a contact assembly 10 is installed on the inner left wall of storage tank 1. The contact assembly 10 includes a first rotating rod 101 and a second rotating rod 102, which are hinged together. The first rotating rod 101 is hinged to the inner left wall of storage tank 1, and a slider 103 is hinged to the end of the second rotating rod 102. The slider 103 slides vertically on the inner left wall of storage tank 1, and a push block 52 is provided on the sliding rod 5 to abut against the slider 103. In the initial position, the angle between the first rotating rod 101 and the second rotating rod 102 is close to 180 degrees to prevent the first rotating rod 101 from tilting to the left. There is a dead point between the first rotating rod 101 and the second rotating rod 102. When the sliding rod 5 moves upward, the push block 52 on the sliding rod 5 pushes the slider 103 upward, which causes both the first rotating rod 101 and the second rotating rod 102 to deflect. The included angle between the first rotating rod 101 and the second rotating rod 102 becomes smaller, and the hinge of the first rotating rod 101 and the second rotating rod 102 moves to the right. As the trichlorobenzene continues to melt, the slider 103 and the push block 52 rise continuously, and the sliding rod 5 rises continuously, causing the heating end 21 to gradually gather towards the right side of the storage tank 1. At the same time, in order to ensure the height of the solidified trichlorobenzene, after the trichlorobenzene has been melted for a period of time, that is, when the trichlorobenzene solid has been melted into two parts, the heating plate 4 stops heating to ensure the height of the trichlorobenzene, so that the contact component 10 always abuts against the solidified trichlorobenzene to prevent the trichlorobenzene from tipping over.

[0043] When heating the storage tank 1 through the heating end 21, due to the large distance between each pair of heating ends 21, the areas farther away from the heating end 21 are difficult to heat at the beginning of heating the storage tank 1, resulting in uneven heating around the perimeter of the storage tank 1. To solve this problem, a drive device 3 is installed on the storage tank 1 to drive all the heating ends 21 to rotate simultaneously around the axis of the storage tank 1. The drive device 3 includes a mounting ring 31 concentrically arranged with the storage tank 1, an electric push rod 32 hinged to the mounting ring 31, and an electric telescopic rod 33 provided on the mounting ring 31. The end of the electric telescopic rod 33 is provided with a push groove 34, and the heating end 21 is located in the push groove 34. The heating end 21 is inserted into the guide rod 72. When melting trichlorobenzene in the initial state, the electric push rod 32 pushes the mounting ring 31 to rotate. The rotation of the mounting ring 31 drives the push groove 34 to push the heating end 21 away from the guide rod 72 and rotate, thereby uniformly heating the storage tank 1. After the storage tank 1 has been heated for a period of time, when the trichlorobenzene in the storage tank 1 has slid a distance to the right, the electric push rod 32 drives the mounting ring 31 to rotate and connect the heating end 21 with the guide rod 72. Then, the electric telescopic rod 33 drives the push groove 34 to exit from the heating end 21. When the push rod 8 pushes the guide rod 72 to move, it avoids the push groove 34 interfering with the movement of the heating end 21.

[0044] Working principle:

[0045] When heating the solidified trichlorobenzene in storage tank 1, the driving device 3 first moves the heating end 21 around the perimeter of storage tank 1, making the heating end 21 heat the trichlorobenzene in storage tank 1 more evenly. After the trichlorobenzene has been heated for a period of time, because the bottom of storage tank 1 is equipped with a heating plate 4 that is inclined downwards from left to right, the solidified trichlorobenzene slides towards the right side of storage tank 1 and adheres to the right side of the tank body. At this time, the trichlorobenzene is far from the left side of storage tank 1, so only the right side of storage tank 1 needs to be heated. The trichlorobenzene moves to the right, causing the angle of the heating plate 4 to gradually increase from left to right. The left side of the heating plate 4 moves upwards, which in turn causes the sliding rod 5 to move upwards. The upward movement of the sliding rod 5 causes the gear 83 to rotate, thus... The internal gear ring 81 and the external gear ring 82 are rotated in different directions. The pushing rod 8 on the internal gear ring 81 and the external gear ring 82 pushes the heating end 21 toward the right side of the storage tank 1, thereby heating the right side of the storage tank 1 and accelerating the melting of trichlorobenzene. By setting the abutment component 10 on the left wall of the storage tank 1, when the sliding rod 5 moves upward, the abutment component 10 abuts against the left side of the trichlorobenzene, which can prevent the trichlorobenzene from tilting to the left side during melting and thus affecting the melting efficiency of the trichlorobenzene. At the same time, the sliding rod 5 abuts against the abutment component 10. As the trichlorobenzene continues to melt, the heating end 21 continuously gathers toward the right side of the storage tank 1. By concentrating the heat supply to the right side of the storage tank 1 through the heating end 21, the melting efficiency of the trichlorobenzene in the tank is further improved.

[0046] Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those skilled in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of the present invention.

Claims

1. A storage tank for chlorinated chemical raw materials, comprising a storage tank and a heating device, characterized in that: The heating device has multiple heating ends, which are evenly distributed around the circumference of the storage tank. A heating plate is hinged to the inner bottom of the storage tank and inclined downward from left to right. The left end of the heating plate abuts against a sliding rod extending to the outside of the storage tank. The sliding rod is sealed to the storage tank. A guide assembly is fixedly installed on the top of the storage tank to allow the heating ends to rotate around the outer circumference of the storage tank. An elastic element is provided between two adjacent heating ends. A push rod is provided between two heating ends on both sides of the sliding rod. An inner gear ring and an outer gear ring are respectively provided on the two push rods and are concentric with the storage tank. A gear that meshes with both the inner and outer gear rings is rotatably installed on the top of the storage tank. A connecting assembly is installed between the sliding rod and the gear. The connecting assembly includes a sleeve rotatably mounted on the top of the storage tank, a gear fixedly mounted on the sleeve, a spiral groove opened inside the sleeve, and a sliding protrusion slidably mounted inside the spiral groove fixedly mounted at the end of the sliding rod. An abutment assembly is also installed on the inner wall of the left side of the storage tank. When the sliding rod is pushed upward, it pushes the abutment assembly to deflect to the right, thereby pushing the solid chemical raw material to the right and abutting against the right side wall of the storage tank. A drive device is installed on the storage tank to drive all heating ends to rotate around the axis of the storage tank.

2. The chlorinated chemical raw material storage tank according to claim 1, characterized in that, The heating device includes a water inlet pipe, which is connected to multiple branch hoses, and the branch hoses are connected to multiple rigid water pipes. The heating end is a rigid water pipe, which is made of a heat-conducting material. A heat-conducting plate is installed between the rigid water pipe and the storage tank, and a return water pipe is connected to the bottom of the rigid water pipe.

3. The chlorinated chemical raw material storage tank according to claim 1, characterized in that, The heating device is an electric heating wire, and the heating end is a heat-conducting tube. Each heat-conducting tube is equipped with a heating wire, which heats the heat-conducting tube.

4. The chlorinated chemical raw material storage tank according to claim 1, characterized in that, The bottom of the storage tank is fixedly provided with an installation shaft, the bottom of the heating plate is fixedly provided with a protrusion, a pin is provided between the protrusion and the installation shaft, and a torsion spring is installed between the protrusion and the installation shaft to minimize the tilt angle of the heating plate from left to right when no force is applied.

5. The chlorinated chemical raw material storage tank according to claim 1, characterized in that, The elastic element is a spring, with its two ends connected to two adjacent heating ends. When the push rod pushes the heating end to rotate, all the springs are compressed synchronously.

6. The chlorinated chemical raw material storage tank according to claim 5, characterized in that, The guiding assembly includes two guide rails located on the top of the storage tank. The guide rails are circular rails concentrically set with the storage tank. Two push rods are slidably set on the two guide rails respectively. Each heating end has a guide rod located on the top of the storage tank. A spring is located between two adjacent guide rods. Two guide blocks are fixedly set at the bottom of each guide rod and are slidably set in the two guide rails respectively.

7. The chlorinated chemical raw material storage tank according to claim 1, characterized in that, The heating plate has a telescopic rod on the left side, and the end of the telescopic rod has a slot. The end of the sliding rod has a stop block located in the slot. A compression spring is installed between the telescopic rod and the heating plate.

8. The chlorinated chemical raw material storage tank according to claim 1, characterized in that, The abutment assembly includes a first rotating rod and a second rotating rod, which are hinged together. The first rotating rod is hinged to the inner wall on the left side of the storage tank, and a slider is hinged to the end of the second rotating rod. The slider is slidably disposed on the inner wall on the left side of the storage tank in a vertical direction, and a push block is provided on the sliding rod to abut against the slider.

9. The chlorinated chemical raw material storage tank according to any one of claims 1-8, characterized in that, The drive device includes a mounting ring concentrically arranged with the storage tank, an electric push rod hinged to the mounting ring, an electric telescopic rod provided on the mounting ring, a push groove provided at the end of the electric telescopic rod, the heating end being located in the push groove, and the heating end being inserted into the guide rod.

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