Distillation kettle for producing anti-dripping fluorine-containing flame retardant

Abstract

The invention discloses a distillation kettle for producing an anti-dripping fluorine-containing flame retardant, and relates to the technical field of heating and cooling combination of distillation kettles. The distillation kettle for producing the anti-dripping fluorine-containing flame retardant comprises a distillation kettle body arranged on a bottom plate, the distillation kettle body comprises a kettle body, a feeding valve and a steam valve are arranged at the top of the kettle body, and a discharging valve is arranged at the bottom of the kettle body. According to the distillation kettle for producing the anti-dripping fluorine-containing flame retardant, hot oil and cold oil can be subjected to heat preservation, temporary storage and reutilization; during heating, the moving path of hot oil can be increased, meanwhile, an electric heating plate can be driven to rotate, and during cooling, waste heat can be recycled; according to the reaction kettle, the material liquid in the kettle body can be circulated and flows downwards along the inner wall of the kettle body, so that not only can the heating and cooling efficiency and effect be improved, but also the inner wall above the liquid level of the kettle body can be used for heating or cooling when the material liquid in the kettle body is gradually reduced, energy waste is avoided, and the reaction kettle is more energy-saving and environment-friendly.

Description

Technical Field

[0001] The invention relates to the technical field of combined heating and cooling of a distillation kettle, in particular to a distillation kettle for producing an anti-dripping fluorine-containing flame retardant. Background Art

[0002] RX-PTFE V100 anti-drip fluorinated flame retardant is mainly used to improve the flame retardant properties of plastic materials and prevent melting and dripping. Its production process mainly includes: substitution, chlorination (oxidative addition), addition, washing, fluorination and distillation. During production, the fluorinated liquid needs to be passed into a distillation kettle for distillation and purification to remove the impurity TCPP. During distillation, the distillation kettle needs to be heated. After the distillation is completed, the distillation kettle needs to be cooled.

[0003] However, when the existing distillation kettles for producing anti-drip fluorinated flame retardants are used, when heating, most of them are heated by electric heaters, and the electric heaters are installed on the periphery of the distillation kettle, and the heat is transferred to the kettle by the heating plate; when cooling down, most of them are cooled by cooling water. However, in actual use, it is not convenient to circulate the liquid at the bottom of the kettle, which affects the efficiency and effect of heating and cooling, and further affects the efficiency and effect of distillation. At the same time, as the liquid in the kettle gradually decreases, the inner wall of the kettle above the liquid level is still in a state of heating or cooling, which easily causes energy waste. Moreover, after cooling is completed, when heating is required again, the electric heater will need to be heated again, which not only affects the heating efficiency, but also causes heat waste, which is not energy-saving and environmentally friendly. Summary of the invention

[0004] The object of the present invention is to provide a distillation kettle for producing an anti-dripping fluorinated flame retardant to solve the problems raised in the above background technology.

[0005] To achieve the above object, the present invention provides the following technical solution: a distillation kettle for producing an anti-drip fluorinated flame retardant, comprising a distillation kettle body arranged on a bottom plate, and the distillation kettle body comprises a kettle body, a feed valve and a steam valve are arranged on the top of the kettle body, and a discharge valve is arranged on the bottom of the kettle body, a stirring blade is rotatably connected to the kettle body through a rotating rod, and the rotation of the rotating rod is driven by a driving mechanism, a side wall of the kettle body is provided with a combined mechanism for heating and cooling the kettle body, and a circulation mechanism for circulating the liquid inside the kettle body is provided; The combined mechanism includes a heat exchange tube embedded in the side wall of the kettle body and arranged in a spiral shape, and a first fixed box is fixedly connected to the top of the bottom plate, a circulating pump is fixedly connected to the side wall of the first fixed box, and an oil supply pipe is fixedly connected to the outlet of the circulating pump, the other end of the oil supply pipe is fixed to the upper end of the heat exchange tube, and the lower end of the heat exchange tube is fixedly connected to the oil return pipe, the other end of the oil return pipe is fixedly connected to the heat exchanger, and a first connecting pipe is fixedly connected between the heat exchanger and the first fixed box, the heat exchanger includes a cold water inlet and a cold water outlet, and the first fixed box is connected to the cold water outlet by rotating the driving component. A first rotating shaft is connected, a plurality of electric heating plates arranged in an array are fixedly connected to the side wall of the first rotating shaft, and an insulation box group is fixedly connected to the bottom of the bottom plate, the insulation box group includes a cold oil insulation box and a hot oil insulation box, the cold oil insulation box and the hot oil insulation box are both connected with a pushing plate through a pushing mechanism, and a first solenoid valve is fixedly connected to the side wall of the cold oil insulation box, a second connecting pipe is fixedly connected between the first solenoid valve and the first fixed box, and a second solenoid valve is fixedly connected to the side wall of the hot oil insulation box, and a third connecting pipe is fixedly connected between the second solenoid valve and the first fixed box; The circulation mechanism includes a chamber opened in the rotating rod, and a plurality of liquid outlet pipes arranged in an array are fixedly inserted into the side wall of the rotating rod. The liquid outlet pipes are connected to the chamber, and a first one-way valve is arranged in the liquid outlet pipes. A liquid supply mechanism for supplying liquid into the chamber is arranged in the kettle body.

[0006] Preferably, the liquid supply mechanism includes a fixed tube fixedly connected to the inner wall of the kettle body, and a moving column is slidably connected to the fixed tube through a moving mechanism, the side wall of the fixed tube is fixedly connected to a liquid inlet pipe, and a second one-way valve is arranged in the liquid inlet pipe, the bottom of the rotating rod is rotatably connected to an L-shaped tube, and the upper end of the L-shaped tube passes through the chamber, the lower end of the L-shaped tube is fixedly inserted in the end of the moving column and connected to the fixed tube, and a third one-way valve is arranged in the L-shaped tube.

[0007] Preferably, the moving mechanism includes a first connecting block fixedly connected to the side wall of the moving column, and the first connecting block is connected to the side wall of the fixed tube through a first telescopic mechanism, the side wall of the first connecting block is fixedly connected to a triangular block, and the side wall of the rotating rod is fixedly connected to a pushing rod.

[0008] Preferably, the upper end of the liquid inlet pipe is fixedly connected to an annular cover with a top opening, and a rotating ring is rotatably connected inside the annular cover, an absorption tube is fixedly inserted at the top of the rotating ring, and an L-shaped frame is fixedly connected between the rotating ring and the rotating rod.

[0009] Preferably, the first telescopic mechanism includes two symmetrically arranged sleeve rods fixedly connected to the side wall of the first connecting block, and the side wall of each sleeve rod is sleeved with a sleeve, the other end of the sleeve is fixedly connected to the second connecting block, and the second connecting block is fixed to the side wall of the fixed tube, a first spring is inserted in each of the sleeves, and the two ends of the first spring are respectively fixed to the sleeve rod and the end of the sleeve.

[0010] Preferably, the drive assembly includes a second fixed box fixedly inserted in the side wall of the oil supply pipe, and a plurality of baffles arranged in an array are rotatably connected to the second fixed box through a second rotating shaft, one end of the second rotating shaft passes through the side wall of the second fixed box and is fixedly connected to a driving pulley, the side wall fixed sleeve of the first rotating shaft is provided with a driven pulley, and the side wall sleeves of the driven pulley and the driving pulley are provided with belts.

[0011] Preferably, a plurality of groups of partition assemblies arranged in an array are fixedly inserted in the first fixed box, and each group of partition assemblies includes a first partition and a second partition, a first through hole is opened on the side wall of the first partition, and a second through hole is opened on the side wall of the second partition.

[0012] Preferably, the pushing mechanism includes two symmetrically arranged moving blocks, and a second telescopic mechanism is arranged between each moving block and each pushing plate, wherein the side wall of one of the moving blocks is fixedly connected to the first inclined plate, and the side wall of the other moving block is fixedly connected to the second inclined plate, the side wall of the thermal insulation box group is fixedly connected to two symmetrically arranged fixed plates, and the opposite side walls of the two fixed plates are fixedly connected to a guide rod, the side wall of the guide rod is sleeved with a pushing block, and the opposite side walls of the two fixed plates are rotatably connected to a threaded rod, the pushing block is threadedly connected to the side wall of the threaded rod, the side wall of one of the fixed plates is fixedly connected to a first motor, and the output end of the first motor is fixed to one end of the threaded rod.

[0013] Preferably, the second telescopic mechanism includes two symmetrically arranged connecting rods fixedly connected to the side walls of each moving block, the other end of each connecting rod passes through the insulation box group and is fixed to the side wall of the push plate, and the side wall of each connecting rod is sleeved with a second spring.

[0014] Preferably, the driving mechanism includes a gear ring fixedly mounted on the side wall of the rotating rod, and a U-shaped plate is fixedly connected to the top of the kettle body, a second motor is fixedly connected to the top of the U-shaped plate, a gear is fixedly connected to the output end of the second motor, and the gear is meshed with the gear ring.

[0015] Compared with the prior art, the present invention has the following beneficial effects: The distillation kettle for producing anti-drip fluorine-containing flame retardants is provided with a combined mechanism, etc., to convey the fluorinated liquid into the kettle body through a feed valve for distillation and purification. During distillation, the second motor is started, and the rotation of the second motor drives the rotation of the gear, thereby driving the rotation of the gear ring, and then driving the rotation of the rotating rod and the stirring blade. When heating is required, the second solenoid valve is opened, and at the same time, the first motor is started, and the rotation of the first motor drives the rotation of the threaded rod, thereby driving the push block to move in the direction close to the second inclined plate and slide on its side wall, and drives the push plate in the hot oil insulation box to move through the connecting rod. At the same time, the second spring is compressed, and at this time, the hot oil temporarily stored in the hot oil insulation box can be passed through the second The connecting pipe is squeezed into the first fixed box. After the extrusion is completed, the second solenoid valve is closed. Then, the circulation pump is started to allow the hot oil in the first fixed box to enter the heat exchange pipe through the oil supply pipe and circulate to the first fixed box through the oil return pipe. During heating, the electric heating plate is turned on for heating. At this time, the material liquid in the kettle body can be heated and distilled through the circulation of the hot oil. After the hot oil enters the first fixed box, it can reciprocate through the second through hole and the first through hole, thereby increasing the moving path of the hot oil and improving the heating efficiency and effect. After the distillation is completed, the first motor is started to reverse, thereby driving the push block to move and reset. After the push block is separated from the second inclined plate, the push plate in the hot oil insulation box can When the kettle needs to be cooled, the first solenoid valve is opened, the first motor is started, and the push block is driven to move and abut against the first inclined plate, so that the push plate in the cold oil insulation box can be pushed to move. At this time, the cold oil temporarily stored in the cold oil insulation box can be squeezed into the first fixed box through the second connecting pipe, and the circulating pump is started. At this time, the cold oil in the first fixed box can enter the heat exchange tube through the oil supply pipe, and circulate to the first fixed box through the oil return pipe, so as to realize the cooling of the kettle. At the same time, the cold water of the heat exchanger is turned on Import, at this time, the cold oil after absorbing heat can be heat exchanged, which not only ensures the cooling effect of the kettle body, but also can reuse the waste heat, which is more energy-saving and environmentally friendly, and, after the cooling is completed, start the first motor to reverse, thereby driving the push block to move and reset, after the push block is separated from the first inclined plate, the push plate in the cold oil insulation box can move and reset under the action of the second spring, and at the same time, open the first solenoid valve, at this time, the heat exchange pipe and the cold oil in the first fixed box can be pumped back into the cold oil insulation box for insulation storage, and so on, the hot oil and the cold oil can be insulated and temporarily stored and reused to avoid repeated heating and cooling, which not only can improve the efficiency of heating and cooling, but also is more energy-saving and environmentally friendly.

[0016] The distillation kettle for producing anti-drip fluorine-containing flame retardants is provided with a circulation mechanism, etc., so that when heating or cooling is performed, when the rotating rod rotates, it can drive the liquid outlet pipe to move synchronously, and at the same time, drive the push rod to rotate synchronously. When the push rod abuts against the side wall of the triangular block, it can push the moving column to slide into the fixed tube. At the same time, the sleeve rod is driven to slide into the sleeve tube through the first connecting block, and the first spring is compressed. When the first connecting block passes over the triangular block, the moving column can move and reset in the direction away from the fixed tube under the action of the first spring. This reciprocating process can make the moving column reciprocate in the fixed tube. When the moving column moves in the direction away from the fixed tube, negative pressure is generated in the fixed tube. At the same time, the second one-way valve is opened and the third one-way valve is closed. At this time, the liquid in the kettle body can enter the annular When the movable column slides into the fixed tube, the material liquid in the fixed tube can be squeezed. At the same time, the second one-way valve is closed and the third one-way valve is opened. At this time, the material liquid in the fixed tube can be squeezed into the chamber through the L-shaped tube and flow out to the inner wall of the kettle body through the liquid outlet pipe. In this way, the material liquid at the bottom of the kettle body can be absorbed. Moreover, when the rotating rod rotates, the rotating ring can be driven to rotate in the annular cover through the L-shaped frame, and the absorption tube can be driven to rotate synchronously, which can change the absorption position and make the circulation effect better. The material liquid flows downward through the inner wall of the kettle body, which can not only improve the efficiency and effect of heating and cooling, but also when the material liquid in the kettle body gradually decreases, the heat of the inner wall above the liquid surface of the kettle body can be utilized to avoid heat waste, which is more energy-saving and environmentally friendly.

[0017] This distillation kettle for producing anti-drip fluorinated flame retardants is provided with a driving component, etc., so that when heating is performed, when the hot oil enters the heat exchange tube through the oil supply pipe, it can enter the second fixed box and impact the surface of the baffle, thereby driving the second rotating shaft to rotate. When the second rotating shaft rotates, it can drive the driving pulley to rotate, and drive the driven pulley and the first rotating shaft to rotate through the belt, thereby driving the electric heating plate to rotate, changing the position of the electric heating plate, and the electric heating plate can be used to stir the hot oil in the first fixed box, so that the heating efficiency is higher and the effect is better. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0019] Figure 2 It is a partial cross-sectional structural schematic diagram of the cold oil insulation box in the present invention.

[0020] Figure 3 It is a schematic diagram of the partial structure of the first fixed box in the present invention.

[0021] Figure 4It is a schematic diagram of the position of the driving component in the present invention.

[0022] Figure 5 It is a partial cross-sectional structural schematic diagram of the kettle body in the present invention.

[0023] Figure 6 It is a schematic diagram of the partial cross-sectional structure of the kettle body and the heat exchange tube in the present invention.

[0024] Figure 7 It is a schematic diagram of the partial cross-sectional structure of the fixed tube in the present invention.

[0025] Figure 8 for Figure 1 Schematic diagram of the enlarged structure at point A in the middle.

[0026] Fig. 9 for Figure 2 Schematic diagram of the enlarged structure at point B in the middle.

[0027] Fig.10 for Figure 3 Schematic diagram of the enlarged structure at point C in the middle.

[0028] Fig.11 for Figure 4 Schematic diagram of the enlarged structure at D in the middle.

[0029] Fig.12 for Figure 7 Schematic diagram of the enlarged structure at E in the middle.

[0030] Fig.13 for Fig.10 Schematic diagram of the enlarged structure at F in the middle.

[0031] Fig.14 for Fig.12 Schematic diagram of the enlarged structure at G in the middle.

[0032] In the figure: 1, bottom plate; 2, liquid supply mechanism; 201, fixed pipe; 202, moving column; 203, liquid inlet pipe; 204, L-shaped pipe; 3, moving mechanism; 301, first connecting block; 302, triangular block; 305, push rod; 4, first telescopic mechanism; 401, second connecting block; 402, sleeve; 403, first spring; 404, sleeve rod; 501, annular cover; 502, rotating ring; 503, absorption pipe; 504, L-shaped frame; 6, driving assembly; 601, second fixed box; 602, second rotating shaft; 603, baffle; 604, driving pulley; 605, driven pulley; 606, belt; 7, pushing mechanism; 701, pushing block; 702, first inclined plate; 703, moving block; 704, second inclined plate; 705, fixed plate; 706, guide rod; 707, threaded rod; 708, first motor; 8, second telescopic mechanism; 801, connecting rod; 802, second spring; 9, driving mechanism; 901, gear ring; 902, U-shaped plate; 903 , second motor; 904, gear; 10, partition assembly; 1001, first partition; 1002, first through hole; 1003, second partition; 1004, second through hole; 11, distillation kettle body; 1101, kettle body; 1102, feed valve; 1103, steam valve; 1104, discharge valve; 1105, rotating rod; 1106, stirring blade; 12, joint mechanism; 1201, heat exchange tube; 1202, cold oil insulation box; 1203, hot oil insulation box; 1204, push Moving plate; 1205, first solenoid valve; 1206, second connecting pipe; 1207, second solenoid valve; 1208, third connecting pipe; 1209, first fixed box; 1210, first connecting pipe; 1211, heat exchanger; 1212, oil return pipe; 1213, cold water inlet; 1214, cold water outlet; 1215, oil supply pipe; 1217, first rotating shaft; 1218, electric heating plate; 1219, circulating pump; 13, circulating mechanism; 1301, chamber; 1302, liquid outlet pipe. DETAILED DESCRIPTION

[0033] 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.

[0034] See also Figure 1-Figure 14The present invention provides a technical solution: a distillation kettle for producing an anti-drip fluorinated flame retardant, comprising a distillation kettle body 11 arranged on a bottom plate 1, and the distillation kettle body 11 comprises a kettle body 1101, a feed valve 1102 and a steam valve 1103 are arranged on the top of the kettle body 1101, and a discharge valve 1104 is arranged on the bottom of the kettle body 1101, a stirring blade 1106 is connected to the kettle body 1101 through a rotating rod 1105, and the rotation of the rotating rod 1105 is driven by a driving mechanism 9, a side wall of the kettle body 1101 is provided with a combined mechanism 12 for heating and cooling it, and a circulation mechanism 13 for circulating the liquid inside it is arranged in the kettle body 1101; The combined mechanism 12 includes a heat exchange tube 1201 embedded in the side wall of the kettle body 1101 and spirally arranged, and a first fixed box 1209 is fixedly connected to the top of the bottom plate 1, a circulating pump 1219 is fixedly connected to the side wall of the first fixed box 1209, and an oil supply pipe 1215 is fixedly connected to the outlet of the circulating pump 1219, the other end of the oil supply pipe 1215 is fixed to the upper end of the heat exchange tube 1201, and a return oil pipe 1212 is fixedly connected to the lower end of the heat exchange tube 1201, and the other end of the return oil pipe 1212 is fixedly connected to a heat exchanger 1211, the heat exchanger 1211 is a well-known technology in the technical field, and its structure and principle are not repeated here, and a first connecting pipe 1210 is fixedly connected between the heat exchanger 1211 and the first fixed box 1209, the heat exchanger 1211 includes a cold water inlet 1213 and a cold water outlet 1214, and the first fixed A first rotating shaft 1217 is rotatably connected in the fixed box 1209 through the driving component 6, and a plurality of electric heating plates 1218 arranged in an array are fixedly connected to the side wall of the first rotating shaft 1217, and an insulation box group is fixedly connected to the bottom of the bottom plate 1, and the insulation box group includes a cold oil insulation box 1202 and a hot oil insulation box 1203, which use heat-conducting oil. The cold oil insulation box 1202 and the hot oil insulation box 1203 are both connected with a pushing plate 1204 through a pushing mechanism 7, and a first solenoid valve 1205 is fixedly connected to the side wall of the cold oil insulation box 1202, a second connecting pipe 1206 is fixedly connected between the first solenoid valve 1205 and the first fixed box 1209, and a second solenoid valve 1207 is fixedly connected to the side wall of the hot oil insulation box 1203, and a third connecting pipe 1208 is fixedly connected between the second solenoid valve 1207 and the first fixed box 1209; The circulation mechanism 13 includes a chamber 1301 opened in the rotating rod 1105, and a plurality of liquid outlet pipes 1302 arranged in an array are fixedly inserted into the side wall of the rotating rod 1105. The liquid outlet pipe 1302 is connected to the chamber 1301, and a first one-way valve is arranged in the liquid outlet pipe 1302. The conduction direction of the first one-way valve is from the chamber 1301 to the outside. A liquid supply mechanism 2 for supplying liquid into the chamber 1301 is arranged in the kettle body 1101, which can temporarily store and reuse hot oil and cold oil to avoid repeated heating and cooling, which can not only improve the efficiency of heating and cooling, but also save energy. Environmentally friendly; when heating, it can increase the moving path of the hot oil, and at the same time, it can drive the electric heating plate 1218 to rotate, so that the heating efficiency of the heat transfer oil is higher and the effect is better. When cooling, the waste heat can be reused, which is more energy-saving and environmentally friendly; the liquid in the kettle body 1101 can be circulated and flow downward along the inner wall of the kettle body 1101, which can not only improve the efficiency and effect of heating and cooling, but also when the liquid in the kettle body 1101 gradually decreases, the inner wall above the liquid surface of the kettle body 1101 can be used for heating or cooling, thereby avoiding energy waste and being more energy-saving and environmentally friendly.

[0035] The liquid supply mechanism 2 includes a fixed tube 201 fixedly connected to the inner wall of the kettle body 1101, and a moving column 202 is slidably connected in the fixed tube 201 through a moving mechanism 3, a liquid inlet tube 203 is fixedly connected to the side wall of the fixed tube 201, and a second one-way valve is arranged in the liquid inlet tube 203, and the conduction direction of the second one-way valve is from the liquid inlet tube 203 to the fixed tube 201, the bottom of the rotating rod 1105 is rotatably connected to an L-shaped tube 204, and the upper end of the L-shaped tube 204 passes through the chamber 1301, the lower end of the L-shaped tube 204 is fixedly inserted at the end of the moving column 202 and communicated with the fixed tube 201, and a third one-way valve is arranged in the L-shaped tube 204, and the conduction direction of the third one-way valve is from the fixed tube 201 to the chamber 1301, when the rotating rod 1105 rotates, it can drive the liquid outlet tube 13 02 moves synchronously, and at the same time, the moving column 202 is made to reciprocate in the fixed tube 201 through the moving mechanism 3. When the moving column 202 moves in the direction away from the fixed tube 201, a negative pressure is generated in the fixed tube 201. At the same time, the second one-way valve is opened and the third one-way valve is closed. At this time, the material liquid in the kettle body 1101 can enter the annular cover 501 through the absorption tube 503, and enter the fixed tube 201 through the liquid inlet pipe 203. When the moving column 202 slides into the fixed tube 201, the material liquid in the fixed tube 201 can be squeezed. At the same time, the second one-way valve is closed and the third one-way valve is opened. At this time, the material liquid in the fixed tube 201 can be squeezed into the chamber 1301 through the L-shaped tube 204, and flow out to the inner wall of the kettle body 1101 through the liquid outlet pipe 1302.

[0036] The moving mechanism 3 includes a first connecting block 301 fixedly connected to the side wall of the moving column 202, and the first connecting block 301 is connected to the side wall of the fixed tube 201 through the first telescopic mechanism 4. The side wall of the first connecting block 301 is fixedly connected with a triangular block 302, and the side wall of the rotating rod 1105 is fixedly connected with a pushing rod 305. When the rotating rod 1105 rotates, the pushing rod 305 is driven to rotate synchronously. When the pushing rod 305 abuts against the side wall of the triangular block 302, it can push the moving column 202 to slide into the fixed tube 201.

[0037] The upper end of the liquid inlet pipe 203 is fixedly connected to an annular cover 501 with a top opening, and a rotating ring 502 is rotatably connected inside the annular cover 501. An absorption tube 503 is fixedly inserted on the top of the rotating ring 502, and an L-shaped frame 504 is fixedly connected between the rotating ring 502 and the rotating rod 1105. When the rotating rod 1105 rotates, the rotating ring 502 can be driven to rotate in the annular cover 501 through the L-shaped frame 504, and the absorption tube 503 can be driven to rotate synchronously, which can change the absorption position and make the circulation effect better.

[0038] The first telescopic mechanism 4 includes two symmetrically arranged sleeve rods 404 fixedly connected to the side wall of the first connecting block 301, and the side wall of each sleeve rod 404 is sleeved with a sleeve 402, the other end of the sleeve 402 is fixedly connected to the second connecting block 401, and the second connecting block 401 is fixed to the side wall of the fixed tube 201, and each sleeve 402 is inserted with a first spring 403, and the two ends of the first spring 403 are respectively fixed to the sleeve rod 404 and the end of the sleeve 402, which guides and resets the movement of the moving column 202.

[0039] The driving assembly 6 includes a second fixed box 601 fixedly inserted in the side wall of the oil supply pipe 1215, and a plurality of baffles 603 arranged in an array are rotatably connected in the second fixed box 601 through a second rotating shaft 602. One end of the second rotating shaft 602 passes through the side wall of the second fixed box 601 and is fixedly connected to a driving pulley 604. A driven pulley 605 is fixedly sleeved on the side wall of the first rotating shaft 1217, and a belt 606 is sleeved on the side wall of the driven pulley 605 and the driving pulley 604. When heating is performed, when hot oil enters the heat exchange tube 1201 through the oil supply pipe 1215, When the second rotating shaft 602 rotates, it can drive the driving pulley 604 to rotate, and drive the driven pulley 605 and the first rotating shaft 1217 to rotate through the belt 606, thereby driving the electric heating plate 1218 to rotate, changing the position of the electric heating plate 1218, and the electric heating plate 1218 can be used to stir the hot oil in the first fixed box 1209, so that the heating efficiency is higher and the effect is better.

[0040] A plurality of groups of partition assemblies 10 arranged in an array are fixedly inserted in the first fixed box 1209, and each group of partition assemblies 10 includes a first partition 1001 and a second partition 1003. A first through hole 1002 is opened on the side wall of the first partition 1001, and a second through hole 1004 is opened on the side wall of the second partition 1003. When heating is performed, after the hot oil enters the first fixed box 1209, it can reciprocate through the second through hole 1004 and the first through hole 1002, thereby increasing the moving path of the hot oil and improving the efficiency and effect of heating.

[0041] The pushing mechanism 7 includes two symmetrically arranged moving blocks 703, and a second telescopic mechanism 8 is arranged between each moving block 703 and each pushing plate 1204, wherein the side wall of one moving block 703 is fixedly connected with the first inclined plate 702, and the side wall of the other moving block 703 is fixedly connected with the second inclined plate 704, the side wall of the insulated box group is fixedly connected with two symmetrically arranged fixed plates 705, and the side walls opposite to the two fixed plates 705 are fixedly connected with guide rods 706, the side walls of the guide rods 706 are sleeved with pushing blocks 701, and the side walls opposite to the two fixed plates 705 are rotatably connected with threaded rods 707, and the side walls of the pushing blocks 701 and the threaded rods 707 are rotatably connected. The wall is threadedly connected, and the side wall of one of the fixed plates 705 is fixedly connected with the first motor 708, and the output end of the first motor 708 is fixed to one end of the threaded rod 707. The first motor 708 is started, and the rotation of the first motor 708 drives the rotation of the threaded rod 707, thereby driving the push block 701 to move. When the push block 701 moves toward the direction close to the second inclined plate 704 and slides on its side wall, it can drive the push plate 1204 in the hot oil insulation box 1203 to move through the second telescopic mechanism 8. When the push block 701 is against the first inclined plate 702, it can push the push plate 1204 in the cold oil insulation box 1202 to move.

[0042] The second telescopic mechanism 8 includes two symmetrically arranged connecting rods 801 fixedly connected to the side walls of each moving block 703, and the other end of each connecting rod 801 passes through the insulation box group and is fixed to the side wall of the push plate 1204, and the side wall of each connecting rod 801 is sleeved with a second spring 802, which guides and resets the movement of the push plate 1204.

[0043] The driving mechanism 9 includes a gear ring 901 fixedly mounted on the side wall of the rotating rod 1105, and a U-shaped plate 902 is fixedly connected to the top of the kettle body 1101, and a second motor 903 is fixedly connected to the top of the U-shaped plate 902, and a gear 904 is fixedly connected to the output end of the second motor 903, and the gear 904 is meshed with the gear ring 901. When the second motor 903 is started, the rotation of the second motor 903 drives the rotation of the gear 904, thereby driving the rotation of the gear ring 901, and then driving the rotation of the rotating rod 1105 and the stirring blade 1106.

[0044] Working principle: When in use, the fluorinated liquid is transported to the kettle body 1101 through the feed valve 1102 for distillation and purification. When distillation is in progress, the second motor 903 is started, and the rotation of the second motor 903 drives the rotation of the gear 904, thereby driving the rotation of the gear ring 901, and then driving the rotation of the rotating rod 1105 and the stirring blade 1106. When heating is required, the second solenoid valve 1207 is opened, and at the same time, the first motor 708 is started, and the rotation of the first motor 708 drives the rotation of the threaded rod 707. The second spring 802 is compressed, and the hot oil temporarily stored in the hot oil insulation box 1203 can be squeezed into the first fixed box 1209 through the second connecting pipe 1206. After the extrusion is completed, the second solenoid valve 1207 is closed, and then the circulation pump 1219 is started, so that the hot oil in the first fixed box 1209 is squeezed into the hot oil insulation box 1203. The hot oil enters the heat exchange tube 1201 through the oil supply pipe 1215, and circulates to the first fixed box 1209 through the oil return pipe 1212. When heating, the electric heating plate 1218 is turned on for heating. At this time, the material liquid in the kettle body 1101 can be heated and distilled through the circulation of the hot oil. After the hot oil enters the first fixed box 1209, it can reciprocate through the second through hole 1004 and the first through hole 1002, thereby increasing the moving path of the hot oil, which can improve the efficiency and effect of heating, and the impurities TC PP can be evaporated through the steam valve 1103 and condensed and collected. After the distillation is completed, the first motor 708 is started to reverse, thereby driving the push block 701 to move and reset. After the push block 701 is separated from the second inclined plate 704, the push plate 1204 in the hot oil insulation box 1203 can move and reset under the action of the second spring 802. At the same time, the second solenoid valve 1207 is opened. At this time, the hot oil in the heat exchange tube 1201 and the first fixed box 1209 can be pumped back into the hot oil insulation box 1203 for insulation storage; When the kettle body 1101 needs to be cooled, the first solenoid valve 1205 is opened, the first motor 708 is started, the push block 701 is driven to move and abut against the first inclined plate 702, so that the push plate 1204 in the cold oil insulation box 1202 can be pushed to move. At this time, the cold oil temporarily stored in the cold oil insulation box 1202 can be squeezed into the first fixed box 1209 through the second connecting pipe 1206, and the circulating pump 1219 is started. At this time, the cold oil in the first fixed box 1209 can be pumped out through the oil supply pipe 1 215 enters the heat exchange tube 1201, and circulates to the first fixed box 1209 through the return oil pipe 1212, realizing the cooling and temperature reduction operation of the kettle body 1101. At the same time, the cold water inlet 1213 of the heat exchanger 1211 is opened. At this time, the cold oil after absorbing heat can be heat exchanged, which not only ensures the cooling and temperature reduction effect of the kettle body 1101, but also can reuse the waste heat, which is more energy-saving and environmentally friendly. After cooling, the high-purity RX-tetrafluoroethylene V100 anti-drip flame retardant product is discharged and collected through the discharge valve 1104; And, after the cooling is completed, the first motor 708 is started to reverse, thereby driving the push block 701 to move and reset. After the push block 701 is separated from the first inclined plate 702, the push plate 1204 in the cold oil insulation box 1202 can move and reset under the action of the second spring 802, and at the same time, the first solenoid valve 1205 is opened. At this time, the heat exchange tube 1201 and the cold oil in the first fixed box 1209 can be pumped back into the cold oil insulation box 1202 for insulation storage. In this way, the hot oil and the cold oil can be temporarily stored and reused to avoid repeated heating and cooling, which can not only improve the efficiency of heating and cooling, but also be more energy-saving and environmentally friendly. At the same time, when heating is performed, when the hot oil enters the heat exchange tube 1201 through the oil supply pipe 1215, it can enter the second fixed box 601 and impact the surface of the baffle 603, thereby driving the second rotating shaft 602 to rotate. When the second rotating shaft 602 rotates, it can drive the active pulley 604 to rotate, and drive the driven pulley 605 and the first rotating shaft 1217 to rotate through the belt 606, thereby driving the electric heating plate 1218 to rotate, changing the position of the electric heating plate 1218, and the electric heating plate 1218 can be used to stir the hot oil in the first fixed box 1209, so that the heating efficiency is higher and the effect is better; When heating or cooling is performed, when the rotating rod 1105 rotates, the liquid outlet pipe 1302 can be driven to move synchronously, and at the same time, the push rod 305 can be driven to rotate synchronously. When the push rod 305 abuts against the side wall of the triangular block 302, the movable column 202 can be pushed to slide into the fixed tube 201. At the same time, the sleeve rod 404 is driven to slide into the sleeve tube 402 through the first connecting block 301, and the first spring 403 is compressed. When the first connecting block 301 passes over the triangular block 302, the movable column 202 can be moved and reset in the direction away from the fixed tube 201 under the action of the first spring 403. In this way, the movable column 202 can reciprocate in the fixed tube 201. When the movable column 202 moves in the direction away from the fixed pipe 201, negative pressure is generated in the fixed pipe 201. At the same time, the second one-way valve is opened and the third one-way valve is closed. At this time, the liquid in the kettle body 1101 can enter the annular cover 501 through the absorption pipe 503 and enter the fixed pipe 201 through the liquid inlet pipe 203. When the movable column 202 slides into the fixed pipe 201, the liquid in the fixed pipe 201 can be squeezed. At the same time, the second one-way valve is closed and the third one-way valve is opened. At this time, the liquid in the fixed pipe 201 can be squeezed into the chamber 1301 through the L-shaped pipe 204 and flow out through the liquid outlet pipe 1302. The liquid flows out to the inner wall of the kettle 1101, and the liquid at the bottom of the kettle 1101 can be absorbed by the reciprocating motion. Moreover, when the rotating rod 1105 rotates, the rotating ring 502 can be driven to rotate in the annular cover 501 through the L-shaped frame 504, and the absorption tube 503 can be driven to rotate synchronously, so as to change the absorption position, so as to achieve a better circulation effect, and flow downward through the inner wall of the kettle 1101, which can not only improve the efficiency and effect of heating and cooling, but also when the liquid in the kettle 1101 gradually decreases, the heat of the inner wall above the liquid surface of the kettle 1101 can be utilized to avoid heat waste, which is more energy-saving and environmentally friendly. Moreover, after the distillation is completed, when the high-purity RX-tetrafluoro V100 anti-drip flame retardant product is gradually discharged through the discharge valve 1104, when the liquid level drops to the bottom of the absorption tube 503, at this time, the vacuum operation can be performed through the absorption tube 503, and after entering the chamber 1301, it is sprayed out through the liquid outlet pipe 1302, which can not only clean the residual product in the liquid outlet pipe 1302, but also blow and clean the interior of the kettle body 1101 to reduce product adhesion.

Claims

1. A distillation kettle for producing an anti-drip fluorinated flame retardant, comprising a distillation kettle body (11) arranged on a bottom plate (1), wherein the distillation kettle body (11) comprises a kettle body (1101), a feed valve (1102) and a steam valve (1103) are arranged on the top of the kettle body (1101), and a discharge valve (1104) is arranged on the bottom of the kettle body (1101), and a stirring blade (1106) is rotatably connected to the kettle body (1101) via a rotating rod (1105), characterized in that: The rotation of the rotating rod (1105) is driven by a driving mechanism (9); a combined mechanism (12) for heating and cooling the kettle (1101) is provided on the side wall of the kettle (1101); and a circulation mechanism (13) for circulating liquid inside the kettle (1101) is provided inside the kettle (1101); The combined mechanism (12) comprises a heat exchange tube (1201) embedded in a spiral arrangement inside the side wall of the kettle body (1101), and a first fixed box (1209) is fixedly connected to the top of the bottom plate (1), a circulating pump (1219) is fixedly connected to the side wall of the first fixed box (1209), and an oil supply pipe (1215) is fixedly connected to the outlet of the circulating pump (1219), and the other end of the oil supply pipe (1215) is connected to the upper end of the heat exchange tube (1201). The end of the heat exchange tube (1201) is fixed, and the lower end of the heat exchange tube (1201) is fixedly connected to an oil return pipe (1212), the other end of the oil return pipe (1212) is fixedly connected to a heat exchanger (1211), and a first connecting pipe (1210) is fixedly connected between the heat exchanger (1211) and the first fixed box (1209), the heat exchanger (1211) comprises a cold water inlet (1213) and a cold water outlet (1214), and the first fixed box (1209) is driven by a The component (6) is rotatably connected to a first rotating shaft (1217), a plurality of electric heating plates (1218) arranged in an array are fixedly connected to the side wall of the first rotating shaft (1217), and a heat preservation box group is fixedly connected to the bottom of the bottom plate (1), the heat preservation box group includes a cold oil heat preservation box (1202) and a hot oil heat preservation box (1203), and the cold oil heat preservation box (1202) and the hot oil heat preservation box (1203) are both connected to a push plate (1218) via a push mechanism (7). 04), and a first solenoid valve (1205) is fixedly connected to the side wall of the cold oil insulation box (1202), a second connecting pipe (1206) is fixedly connected between the first solenoid valve (1205) and the first fixed box (1209), and a second solenoid valve (1207) is fixedly connected to the side wall of the hot oil insulation box (1203), and a third connecting pipe (1208) is fixedly connected between the second solenoid valve (1207) and the first fixed box (1209); The circulation mechanism (13) comprises a chamber (1301) opened in a rotating rod (1105), and a plurality of liquid outlet pipes (1302) arranged in an array are fixedly inserted into the side wall of the rotating rod (1105), the liquid outlet pipes (1302) are connected to the chamber (1301), and a first one-way valve is arranged in the liquid outlet pipe (1302), and a liquid supply mechanism (2) for supplying liquid into the chamber (1301) is arranged in the kettle body (1101).

2. A distillation kettle for producing an anti-drip fluorinated flame retardant according to claim 1, characterized in that: The liquid supply mechanism (2) comprises a fixed tube (201) fixedly connected to the inner side wall of the kettle body (1101), and a movable column (202) is slidably connected to the fixed tube (201) via a movable mechanism (3); a liquid inlet tube (203) is fixedly connected to the side wall of the fixed tube (201), and a second one-way valve is arranged in the liquid inlet tube (203); an L-shaped tube (204) is rotatably connected to the bottom of the rotating rod (1105), and the upper end of the L-shaped tube (204) passes through the chamber (1301); the lower end of the L-shaped tube (204) is fixedly inserted into the end of the movable column (202) and communicates with the fixed tube (201), and a third one-way valve is arranged in the L-shaped tube (204).

3. A distillation kettle for producing an anti-drip fluorinated flame retardant according to claim 2, characterized in that: The moving mechanism (3) comprises a first connecting block (301) fixedly connected to the side wall of the moving column (202), and the first connecting block (301) is connected to the side wall of the fixed tube (201) via a first telescopic mechanism (4), the side wall of the first connecting block (301) is fixedly connected to a triangular block (302), and the side wall of the rotating rod (1105) is fixedly connected to a pushing rod (305).

4. A distillation kettle for producing an anti-drip fluorinated flame retardant according to claim 2, characterized in that: The upper end of the liquid inlet pipe (203) is fixedly connected to an annular cover (501) with a top opening, and a rotating ring (502) is rotatably connected inside the annular cover (501). An absorption pipe (503) is fixedly inserted at the top of the rotating ring (502), and an L-shaped frame (504) is fixedly connected between the rotating ring (502) and the rotating rod (1105).

5. A distillation kettle for producing an anti-drip fluorinated flame retardant according to claim 3, characterized in that: The first telescopic mechanism (4) comprises two symmetrically arranged sleeve rods (404) fixedly connected to the side wall of the first connecting block (301), and the side wall of each sleeve rod (404) is sleeved with a sleeve (402), the other end of the sleeve (402) is fixedly connected to the second connecting block (401), and the second connecting block (401) is fixed to the side wall of the fixed tube (201), and each sleeve (402) is inserted with a first spring (403), and the two ends of the first spring (403) are respectively fixed to the sleeve rod (404) and the end of the sleeve (402).

6. A distillation kettle for producing an anti-drip fluorinated flame retardant according to claim 1, characterized in that: The driving assembly (6) comprises a second fixed box (601) fixedly inserted into the side wall of the oil supply pipe (1215), and a plurality of baffles (603) arranged in an array are rotatably connected in the second fixed box (601) via a second rotating shaft (602), one end of the second rotating shaft (602) passes through the side wall of the second fixed box (601) and is fixedly connected to a driving pulley (604), a side wall fixed sleeve of the first rotating shaft (1217) is provided with a driven pulley (605), and the side wall sleeves of the driven pulley (605) and the driving pulley (604) are provided with belts (606).

7. A distillation kettle for producing an anti-drip fluorinated flame retardant according to claim 1, characterized in that: A plurality of groups of partition assemblies (10) arranged in an array are fixedly inserted in the first fixed box (1209), and each group of partition assemblies (10) comprises a first partition (1001) and a second partition (1003), a first through hole (1002) is provided on the side wall of the first partition (1001), and a second through hole (1004) is provided on the side wall of the second partition (1003).

8. The distillation kettle for producing an anti-drip fluorinated flame retardant according to claim 1, characterized in that: The pushing mechanism (7) comprises two symmetrically arranged moving blocks (703), and a second telescopic mechanism (8) is arranged between each moving block (703) and each pushing plate (1204), wherein a side wall of one of the moving blocks (703) is fixedly connected to a first inclined plate (702), and a side wall of the other moving block (703) is fixedly connected to a second inclined plate (704), and a side wall of the thermal insulation box group is fixedly connected to two symmetrically arranged fixed plates (705), and opposite side walls of the two fixed plates (705) are fixedly connected to a guide rod (706), a side wall of the guide rod (706) is sleeved with a pushing block (701), and opposite side walls of the two fixed plates (705) are rotatably connected to a threaded rod (707), the pushing block (701) is threadedly connected to a side wall of the threaded rod (707), a side wall of one of the fixed plates (705) is fixedly connected to a first motor (708), and an output end of the first motor (708) is fixed to one end of the threaded rod (707).

9. A distillation kettle for producing an anti-drip fluorinated flame retardant according to claim 8, characterized in that: The second telescopic mechanism (8) comprises two symmetrically arranged connecting rods (801) fixedly connected to the side walls of each moving block (703), the other end of each connecting rod (801) passes through the insulation box group and is fixed to the side wall of the push plate (1204), and the side wall of each connecting rod (801) is sleeved with a second spring (802).

10. A distillation kettle for producing an anti-drip fluorinated flame retardant according to claim 1, characterized in that: The driving mechanism (9) comprises a gear ring (901) fixedly sleeved on the side wall of the rotating rod (1105), and a U-shaped plate (902) is fixedly connected to the top of the kettle body (1101), a second motor (903) is fixedly connected to the top of the U-shaped plate (902), and a gear (904) is fixedly connected to the output end of the second motor (903), and the gear (904) is meshed with the gear ring (901).

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