阅读说明：本技术 一种环保型甲苯蒸馏釜 (Environment-friendly toluene distillation still ) 是由 刘哲宇 瞿金龙 于 2021-06-02 设计创作，主要内容包括：本发明涉及化工提纯工具技术领域,尤其涉及一种环保型甲苯蒸馏釜,包括罐体、搅拌装置、蒸汽环流装置、冷凝收集箱和过滤塔,罐体设为分体式结构,搅拌装置安装在罐体内部,搅拌装置与罐体相对转动连接,蒸汽环流装置位于隔热层与保温层之间,蒸汽环流装置的出口与冷凝收集箱连接,冷凝收集箱与过滤塔连接。本发明通过设置搅拌装置,对罐体内的溶液进行搅拌,使溶液受热均匀,同时对内壁上附着的杂质进行清理,防止杂质影响后续加热效果；通过设置可移出式的搅拌装置,便于对搅拌装置的清理；通过在外壁与内壁之间设置隔热层和蒸汽环流装置,用于接收受热蒸发的甲苯溶液,蒸汽在铜管内运行,实现对内壁的保温、隔热,减少能量的散失。(The invention relates to the technical field of chemical purification tools, in particular to an environment-friendly toluene distillation kettle which comprises a tank body, a stirring device, a steam circulation device, a condensation collection box and a filter tower, wherein the tank body is of a split structure, the stirring device is installed in the tank body, the stirring device is in relative rotation connection with the tank body, the steam circulation device is located between a heat insulation layer and a heat insulation layer, an outlet of the steam circulation device is connected with the condensation collection box, and the condensation collection box is connected with the filter tower. According to the invention, the stirring device is arranged to stir the solution in the tank body, so that the solution is heated uniformly, and meanwhile, impurities attached to the inner wall are cleaned, so that the influence of the impurities on the subsequent heating effect is prevented; the movable stirring device is arranged, so that the stirring device is convenient to clean; the heat insulation layer and the steam circulation device are arranged between the outer wall and the inner wall and used for receiving the heated and evaporated toluene solution, and the steam runs in the copper pipe, so that the heat insulation and heat insulation of the inner wall are realized, and the energy loss is reduced.)

1. The utility model provides an environment-friendly toluene distillation kettle, includes jar body (1), agitating unit (2), steam circulation device (3), condensation collecting box (4) and filter tower (5), its characterized in that: the tank body (1) comprises an outer wall (11), an inner wall (12), a heat insulation layer (13), a heat insulation layer (14), a feeding hole (15), a sewage draining outlet (16) and supporting legs (17), wherein the heat insulation layer (13) and the heat insulation layer (14) are arranged between the outer wall (11) and the inner wall (12), the heat insulation layer (13) is arranged on the inner side of the outer wall (11), the heat insulation layer (14) is arranged between the heat insulation layer (13) and the inner wall (12), the feeding hole (15) is arranged at the top of the tank body (1), the sewage draining outlet (16) is arranged at the bottom of the tank body (1), and the supporting legs (17) are arranged at the bottom of the tank body (1);

the left side of the tank body (1) is designed into a split structure, the tank body (1) comprises a first tank body (18) and a second tank body (19), the section of the second tank body (19) is T-shaped, balls (191) are arranged at the bottom of the second tank body (19), a boss (181) is arranged at the bottom of the first tank body (18), a first ball groove (182) is arranged on the boss (181), a movable support frame (7) is correspondingly arranged on the distillation kettle, a corresponding second ball groove (71) is arranged on the support frame (7), the support frame (7) and the boss (181) are equal in height, and the first tank body (18) and the second tank body (19) are fixed with each other through a clamp (8);

the stirring device (2) is installed on the second tank body (19), the right side of the stirring device (2) is connected with the first tank body (18) in a relative rotation mode through a bearing, the stirring device (2) is located inside the tank body (1), the steam circulation device (3) is located between the heat insulation layer (13) and the heat insulation layer (14), an outlet of the steam circulation device (3) is connected with the condensation collection box (4), and the condensation collection box (4) is connected with the filter tower (5).

2. The environment-friendly toluene distillation still according to claim 1, wherein: the steam circulation device (3) is composed of a copper pipe (31) wound on the outer side of the heat insulation layer (14), the inlet of the copper pipe (31) is communicated with the tank body (1), and the outlet of the copper pipe (31) is communicated with the condensation collection box (4).

3. The environment-friendly toluene distillation still according to claim 1, wherein: the heat insulation layer (13) and the heat insulation layer (14) both adopt ceramic fiber boards.

4. The environment-friendly toluene distillation still according to claim 1, wherein: the stirring device (2) comprises a motor (21), a first gear (22), a second gear (23), a third gear (24), a rotating mechanism (6), a supporting shaft (25), a supporting cover (26), a scraping plate (27), a mounting bracket (28) and a baffle plate (29), wherein the motor (21) is mounted on the second tank body (19), an output shaft of the motor (21) penetrates through the second tank body (19), the first gear (22) is connected onto an output shaft of the motor (21), the second gear (23) is meshed with the first gear (22), the second gear (23) is rotatably connected with the second tank body (19) through a bearing, the rotating mechanisms (6) are correspondingly arranged in the tank body (1) in parallel in pairs, and the two groups of rotating mechanisms (6) are rotatably connected with the side wall of the tank body (1) through the supporting shaft (25), scrape flitch (27) and fix on rotary mechanism (6), be equipped with on the lateral wall relevant position of the first jar body (18) and support lid (26), install on back shaft (25) third gear (24), be close to jar body (1) front side third gear (24) with first gear (22) meshing is close to jar body (1) rear side third gear (24) with second gear (23) meshing, installing support (28) are installed the top of the jar body (1), be connected with on installing support (28) baffle (29).

5. The environment-friendly toluene distillation still according to claim 4, wherein: the rotating mechanism (6) comprises a supporting ring (61), a rotating ring (62), a first connecting rod (63), a second connecting rod (64), a third connecting rod (65) and a spacer sleeve (66), wherein the supporting ring (61) is rotatably connected with the supporting shaft (25) through a bearing, the rotating ring (62) is arranged on the outer side of the supporting ring (61), the rotating ring (62) is rotatably connected with the supporting ring (61), the supporting shaft (25) is fixedly connected with the three first connecting rods (63), the three first connecting rods (63) are uniformly distributed around the supporting shaft (25), the second connecting rods (64) are fixedly connected with the rotating ring (62), the three second connecting rods (64) are uniformly distributed on the rotating ring (62), and the first connecting rods (63) are connected with the second connecting rods (64) through the third connecting rod (65), a spacer bush (66) is arranged between the first connecting rod (63) and the third connecting rod (65), and the third connecting rod (65) is fixedly connected with the scraping plate (27).

6. The environment-friendly toluene distillation still according to claim 5, wherein: the supporting shaft (25) is eccentrically connected with the supporting ring (61).

7. The environment-friendly toluene distillation still according to claim 5, wherein: the front and the rear groups of the rotating mechanisms (6) in the tank body (1) are arranged in a staggered mode, and the two groups of the rotating mechanisms (6) rotate synchronously.

8. The environment-friendly toluene distillation still according to claim 4, wherein: the baffle (29) is made of silicon rubber materials, and the bottom of the baffle (29) is of a comb-tooth structure.

9. The environment-friendly toluene distillation still according to claim 4, wherein: one side of the scraping plate (27) close to the inner wall (12) is glued with a protective layer (271), and the protective layer (271) is made of silicon rubber.

10. The environment-friendly toluene distillation still according to claim 4, wherein: the scraping plate (27) is provided with a plurality of water drainage holes (272), and the water drainage holes (272) are arranged in a staggered mode.

Technical Field

The invention relates to the technical field of chemical purification tools, in particular to an environment-friendly toluene distillation kettle.

Background

Toluene is used in large quantities as a solvent and as a high octane gasoline additive, and is also an important raw material for organic chemicals, but at the same time, the current yield is relatively excessive compared to benzene and xylene obtained from coal and petroleum, and therefore a considerable amount of toluene is used for dealkylation to produce benzene or disproportionation to produce xylene. A series of intermediates derived from toluene are widely used in the production of fine chemicals such as dyes, medicines, pesticides, explosives, auxiliaries, perfumes and the like, and also in the synthetic material industry.

Because toluene has a wide range of applications and a high requirement for toluene purity, toluene is often purified in a distillation still. The prior art discloses the patent numbers as follows: the invention discloses an environment-friendly toluene distillation kettle of CN201910637197.2, belongs to the technical field of chemical purification tools, and particularly relates to an environment-friendly toluene distillation kettle which comprises a tank body, a support, a feeding hole, a collecting box and a condensing column, wherein the surface of the tank body is wrapped with a heating layer; the surface of the heating layer is wrapped with an insulating layer; the top end of the tank body is communicated with the condensation column through a pipeline, and the pipeline is designed as a double-layer pipe; the pipeline is communicated with the heating layer through an air passage; a first sliding groove is uniformly arranged in the condensation column; an air inlet pipe is arranged in the first sliding groove; an air inlet is formed in the bottom of the side wall of the right side of the condensation column; the bottom in the tank body is fixedly connected with uniformly arranged spiral columns; the surface of the spiral column is provided with uniformly arranged open pores which are obliquely arranged; a hydrophobic air guide film is arranged at the opening; the bottom of the spiral column is communicated with the heating layer through an air port; the invention has simple structure and can realize uniform mixing and heating; simultaneously cleaning the inner wall of the tank body; convenient to use, the practicality is strong.

In the prior art, during the production process of a distillation kettle, a large amount of heat needs to be absorbed for distillation operation, and meanwhile, the loss of heat can cause resource waste and is not beneficial to environmental protection; and, can leave a large amount of residues on stills's inner wall after the distillation, need constantly clear up stills inner wall, if the effect that the clearance can influence next time distillation in time, so wasted a large amount of manpowers, material resources and time.

Therefore, an environment-friendly toluene distillation kettle is provided.

Disclosure of Invention

The invention aims to solve the problems of large heat dissipation amount of a distillation kettle, serious resource waste, inconvenient cleaning of the inner wall of the distillation kettle and the like in the prior art, and provides an environment-friendly toluene distillation kettle.

In order to achieve the purpose, the invention adopts the following technical scheme: an environment-friendly toluene distillation kettle comprises a tank body, a stirring device, a steam circulation device, a condensation collection box and a filter tower, wherein the tank body comprises an outer wall, an inner wall, a heat insulation layer, a feed inlet, a drain outlet and support legs, the heat insulation layer and the heat insulation layer are arranged between the outer wall and the inner wall, the heat insulation layer is arranged on the inner side of the outer wall, the heat insulation layer is arranged between the heat insulation layer and the inner wall, the feed inlet is arranged at the top of the tank body, the drain outlet is arranged at the bottom of the tank body, and the support legs are arranged at the bottom of the tank body;

the left side of the tank body is designed into a split structure, the tank body comprises a first tank body and a second tank body, the section of the second tank body is T-shaped, the bottom of the second tank body is provided with balls, the bottom of the first tank body is provided with a boss, the boss is provided with a first ball groove, correspondingly, the distillation kettle is provided with a movable support frame, the support frame is provided with a corresponding second ball groove, the support frame is equal in height to the boss, and the first tank body and the second tank body are fixed with each other through a clamp;

the stirring device is installed on the second tank body, the right side of the stirring device is connected with the first tank body in a relative rotation mode through a bearing, the stirring device is located inside the tank body, the steam circulation device is located between the heat insulation layer and the heat insulation layer, an outlet of the steam circulation device is connected with the condensation collection box, and the condensation collection box is connected with the filter tower.

Through the technical scheme, impure toluene solution enters the tank body through the feed inlet, then the toluene solution is subjected to heat transfer through the heating inner wall, in the heat transfer process, the stirring device operates to stir the toluene solution, so that the toluene solution is heated more uniformly, meanwhile, the stirring device can also clean the inner wall, the toluene solution is heated and evaporated by controlling the heating temperature, the toluene steam enters the steam circulation device and then runs around the tank body, the tank body is provided with the outer wall and the inner wall, a heat insulation layer and a heat preservation layer are arranged between the outer wall and the inner wall to separate the heat of the inner wall and reduce the loss of the heat, the steam enters the condensation collection box through the steam circulation device, the condensed toluene solution and the water layer discharge or absorb the water solution of the bottom layer, so that relatively pure toluene solution can be obtained for industrial use, and harmful gas possibly existing in the toluene heating and volatilizing process, absorb through the filter tower and purify, finally arrange to the atmosphere, the drain is used for discharging the internal impurity of jar, and the landing leg is used for the fixed mounting jar body, and the jar body is established to split type structure, is for the ease of shifting out agitating unit to clear up agitating unit, prevent after distillation process, the impurity that adheres to on agitating unit influences the distillation effect next time, reduces the clean degree of difficulty simultaneously.

Preferably, the steam circulation device is composed of a copper pipe wound on the outer side of the heat preservation layer, an inlet of the copper pipe is communicated with the tank body, an outlet of the copper pipe is communicated with the condensation collection tank, the copper pipe is arranged on the outer side of the inner wall of the tank body in a multi-turn mode and used for receiving the heated and gasified toluene solution, the gasified toluene runs around the inner wall of the tank body along the copper pipe under the action of steam power, the copper pipe has a good heat transfer effect, the heat preservation layer and the heat preservation layer are arranged on two sides of the copper pipe respectively, the heat insulation effect on the inner portion of the tank body is further achieved, and heat loss is reduced.

Preferably, the heat insulation layer and the heat preservation layer are both made of ceramic fiber boards, the ceramic fiber boards are aluminum silicate fiber boards, the ceramic fiber boards are made of refractory materials, good mechanical strength can be still kept after heating, the texture is hard, the toughness and the strength are excellent, shearing and bending are facilitated, corners of various positions can be effectively attached, and heat dissipation points are reduced.

Preferably, the stirring device comprises a motor, a first gear, a second gear, a third gear, a rotating mechanism, a supporting shaft, a sealing cover, a scraping plate, a mounting bracket and a baffle plate, the motor is installed on the second tank body, an output shaft of the motor penetrates through the second tank body, the first gear is connected to the output shaft of the motor, the second gear is meshed with the first gear, the second gear is rotatably connected with the second tank body through a bearing, the rotating mechanisms are arranged in parallel in pairs, the two groups of rotating mechanisms are rotatably connected with the side wall of the tank body through the supporting shaft, the scraping plate is fixed on the rotating mechanism, the supporting cover is arranged on the corresponding position of the side wall of the tank body, the third gear is installed on the supporting shaft, and the third gear close to the front side of the tank body is meshed with the first gear, the third gear close to the rear side of the tank body is meshed with the second gear, the mounting bracket is mounted at the top of the tank body, and the baffle is connected to the mounting bracket.

Through the technical scheme, in the heating process of the toluene solution in the tank body, the stirring device operates to ensure that the toluene solution in the tank body is heated more uniformly to achieve a better purification effect, the motor is arranged on the outer wall of the tank body and is effectively sealed to prevent the solution from overflowing, the motor drives the first gear to rotate, the second gear is meshed with the first gear, the two third gears are respectively meshed with the first gear and the second gear to ensure that the rotating mechanism rotates, the rotating mechanism drives the scraper plate to operate, so that the stirring of the toluene solution in the tank body is realized, meanwhile, the scraper plate scrapes the inner wall of the tank body to prevent impurities in the toluene solution from attaching to the side wall or the bottom in the heating process, the subsequent heating effect is reduced, the scraper plate is stirred by arranging the baffle plate to prevent the impurities in the toluene solution from attaching to the scraper plate in the scraping process, affecting the use of subsequent systems.

Preferably, the rotating mechanism comprises a support ring, a rotating ring, first connecting rods, second connecting rods, third connecting rods and spacer bushes, the support ring is rotatably connected with the support shaft through bearings, the rotating ring is arranged on the outer side of the support ring and is rotatably connected with the support ring, the three first connecting rods are fixedly connected to the support shaft, the three first connecting rods are uniformly distributed around the support shaft, the second connecting rods are fixedly connected to the rotating ring, the three second connecting rods are uniformly distributed on the rotating ring, the first connecting rods are connected with the second connecting rods through the third connecting rods, the spacer bushes are arranged between the first connecting rods and the third connecting rods, and the scraper plate is fixedly connected with the third connecting rods.

Through the technical scheme, the rotating mechanism rotates under the driving of the supporting shaft, the supporting shaft drives the first connecting rod to rotate, the first connecting rod drives the third connecting rod to rotate, the third connecting rod drives the second connecting rod to rotate, and the second connecting rod drives the rotating ring to rotate; the second connecting rod is arranged to restrict the rotation direction of the third connecting rod and prevent the third connecting rod from rotating randomly under the drive of the first connecting rod, so that the motion track of the scraping plate is ensured; the spacer is arranged to prevent the first connecting rod and the second connecting rod from interfering during operation.

Preferably, the supporting shaft is eccentrically connected with the supporting ring, the supporting shaft is guaranteed not to be blocked in the rotating process through eccentric connection, meanwhile, the second connecting rod is arranged, the scraping plate is guaranteed to be always kept at a horizontal position, and therefore when the inner wall of the scraping plate is cleaned, more contact time can be achieved, and the inner wall can be cleaned more effectively.

Preferably, the front and rear rotating mechanisms in the tank body are installed in a staggered manner, the two rotating mechanisms rotate synchronously, one rotating mechanism drives the scraping plate to clean the rear side wall and the bottom, the other rotating mechanism drives the scraping plate to clean the front side wall and the bottom, the front and rear rotating mechanisms are installed in a staggered manner, blind areas of the scraping plate during bottom cleaning are reduced, and due to the fact that the rotating mechanisms are installed in a staggered manner, synchronous rotation of the two rotating mechanisms needs to be guaranteed in order to prevent interference between the mechanisms.

Preferably, the baffle adopts the silicon rubber material, baffle bottom adopts broach type structure, the baffle is used for the automatic impurity that can adhere to on the scraping plate of clearance, and silicon rubber has certain flexibility, can not take place to damage in the contact process, and simultaneously, baffle bottom sets to broach type structure, can effectively clear up the attachment.

Preferably, the protective layer is cemented on one side, close to the inner wall, of the scraping plate, the protective layer is made of silicon rubber, the damage to the inner wall caused by the scraping plate can be effectively prevented in the scraping process by arranging the protective layer, the silicon rubber is good in temperature resistance and stability, and good working performance can be still guaranteed after the silicon rubber is used for a long time.

Preferably, scrape and be equipped with a plurality of hydrophobic holes on the flitch, hydrophobic hole mutual staggered arrangement through setting up staggered arrangement's hydrophobic hole, prevents to scrape that the flitch is received too big, and the required power of system operation is too big, the energy can be saved to toluene solution can be disturbed by further stirring at the in-process that passes hydrophobic hole for the internal toluene solution heating of jar gets more evenly, secondly, when scraping the flitch and scraping the impurity to the inner wall, hydrophobic hole can increase and scrape the border, more effective clean function of realization.

Compared with the prior art, the invention has the beneficial effects that:

1. the stirring device is arranged in the tank body, and the rotating mechanism rotates under the driving of the motor, so that the scraping plate is driven to stir the toluene solution in the tank body, and the toluene solution is heated more uniformly; meanwhile, the scraping plate cleans impurities attached to the inner wall in the operation process, so that automatic cleaning is realized, and the impurities are prevented from being attached to the inner wall to influence the subsequent heating effect.

2. The heat insulation layer and the steam circulation device are arranged between the outer wall and the inner wall, the steam circulation device receives the heated and evaporated toluene solution, and steam runs in the copper pipe, so that heat insulation and heat insulation of the inner wall are realized, and energy loss is reduced.

3. Through setting up the jar body into split type structure to supporting there is the support frame, realize the function that agitating unit takes out from the jar internal fast, be convenient for to agitating unit's clearance, prevent once distilling the back, the impurity influence that adheres to on agitating unit passes under next distillation.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of a can body 1 according to the present invention;

FIG. 3 is a cross-sectional view taken along A-A of FIG. 2 in accordance with the present invention;

FIG. 4 is a cross-sectional view taken along line C-C of FIG. 2 in accordance with the present invention;

fig. 5 is a partial enlarged view of the present invention at B in fig. 3.

In the figure: the device comprises a tank body 1, an outer wall 11, an inner wall 12, a heat insulation layer 13, a heat insulation layer 14, a feed inlet 15, a sewage draining outlet 16, a supporting leg 17, a first tank body 18, a boss 181, a first ball groove 182, a second tank body 19, balls 191, a stirring device 2, a motor 21, a first gear 22, a second gear 23, a third gear 24, a supporting shaft 25, a supporting cover 26, a scraping plate 27, a protective layer 271, a water drainage hole 272, a mounting bracket 28, a baffle plate 29, a steam circulation device 3, a copper pipe 31, a condensation collection box 4, a filter tower 5, a rotating mechanism 6, a supporting ring 61, a rotating ring 62, a first connecting rod 63, a second connecting rod 64, a third connecting rod 65, a spacer 66, a supporting frame 7, a second ball groove 71 and a clamp 8.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: an environment-friendly toluene distillation kettle comprises a tank body 1, a stirring device 2, a steam circulation device 3, a condensation collection box 4 and a filter tower 5, wherein the tank body 1 comprises an outer wall 11, an inner wall 12, a heat insulation layer 13, a heat insulation layer 14, a feed inlet 15, a drain outlet 16 and support legs 17, the heat insulation layer 13 and the heat insulation layer 14 are arranged between the outer wall 11 and the inner wall 12, the heat insulation layer 13 is arranged on the inner side of the outer wall 11, the heat insulation layer 14 is positioned between the heat insulation layer 13 and the inner wall 12, the feed inlet 15 is positioned at the top of the tank body 1, the drain outlet 16 is positioned at the bottom of the tank body 1, and the support legs 17 are positioned at the bottom of the tank body 1;

the left side of the tank body 1 is designed into a split structure, the tank body 1 comprises a first tank body 18 and a second tank body 19, the section of the second tank body 19 is T-shaped, the bottom of the second tank body 19 is provided with a ball 191, the bottom of the first tank body 18 is provided with a boss 181, the boss 181 is provided with a first ball groove 182, correspondingly, the distillation kettle is provided with a movable support frame 7, the support frame 7 is provided with a corresponding second ball groove 71, the support frame 7 is equal to the boss 181 in height, and the first tank body 18 and the second tank body 19 are fixed with each other through a clamp 8;

the stirring device 2 is installed on the second tank 19, the right side of the stirring device 2 is connected with the first tank 18 through a bearing in a relative rotation mode, the stirring device 2 is located inside the tank 1, the steam circulation device 3 is located between the heat insulation layer 13 and the heat insulation layer 14, an outlet of the steam circulation device 3 is connected with the condensation collection box 4, and the condensation collection box 4 is connected with the filter tower 5.

Through the technical scheme, impure toluene solution enters the tank body 1 through the feed inlet 15, the toluene solution is subjected to heat transfer through the heating inner wall 12, in the heat transfer process, the stirring device 2 operates to stir the toluene solution, so that the toluene solution is heated more uniformly, the toluene solution is heated and evaporated by controlling the heating temperature, toluene steam enters the steam circulation device 3 and then runs around the tank body 1, the tank body 1 is provided with the outer wall 11 and the inner wall 12, a heat insulation layer 13 and a heat insulation layer 14 are arranged between the outer wall 11 and the inner wall 12 to block the heat of the inner wall 12 and reduce the heat loss, the steam enters the condensation collection tank 4 through the steam circulation device 3, the condensed toluene solution and water layer are discharged or absorbed by the water solution at the bottom layer, so that relatively pure toluene solution can be obtained for industrial use, and harmful gas possibly existing in the toluene heating and volatilizing process can be heated, absorb the purification through filtering tower 5, finally arrange to the atmosphere, drain 16 is used for discharging the impurity of jar internal 1, and landing leg 17 is used for the fixed mounting jar body 1, and jar body 1 is established to split type structure, is for the ease of shifting out agitating unit 2 to clearing up agitating unit 2, preventing after the distillation process, attached to the impurity on agitating unit 2 influences the distillation effect next time.

Preferably, the steam circulation device 3 is composed of a copper pipe 31 wound on the outer side of the heat insulation layer 14, an inlet of the copper pipe 31 is communicated with the tank body 1, an outlet of the copper pipe 31 is communicated with the condensation collection box 4, the copper pipe 31 wound on the outer side of the inner wall 12 of the tank body 1 in a multi-turn mode is used for receiving a toluene solution to be heated and gasified, the gasified toluene runs around the inner wall 12 along the copper pipe under steam power, the copper pipe 31 has a good heat transfer effect, a heat insulation layer 13 and the heat insulation layer 14 are arranged on two sides of the copper pipe 31 respectively, the heat insulation effect on the inner portion of the tank body 1 is further achieved, and heat loss is reduced.

Preferably, the heat insulation layer 13 and the heat insulation layer 14 both adopt ceramic fiber boards, the ceramic fiber boards are aluminum silicate fiber boards, the ceramic fiber boards are refractory materials, good mechanical strength can still be kept after heating, the texture is hard, the toughness and the strength are excellent, shearing and bending are facilitated, corners of various positions can be effectively attached, and heat dissipation points are reduced.

Preferably, the stirring device 2 comprises a motor 21, a first gear 22, a second gear 23, a third gear 24, a rotating mechanism 6, a supporting shaft 25, a supporting cover 26, a scraping plate 27, a mounting bracket 28 and a baffle 29, the motor 21 is mounted on the second tank 19, an output shaft of the motor 21 penetrates through the second tank 19, the first gear 22 is connected to an output shaft of the motor 21, the second gear 23 is meshed with the first gear 22, the second gear 23 is rotatably connected with the second tank 19 through a bearing, the rotating mechanisms 6 are correspondingly arranged in parallel in pairs inside the tank 1, two groups of the rotating mechanisms 6 are rotatably connected with the side wall of the tank 1 through the supporting shaft 25, the scraping plate 27 is fixed on the rotating mechanisms 6, and the supporting cover 26 is arranged at a corresponding position on the side wall of the tank 1, the supporting shaft 25 is provided with the third gear 24, the third gear 24 close to the front side of the tank body 1 is meshed with the first gear 22, the third gear 24 close to the rear side of the tank body 1 is meshed with the second gear 23, the mounting bracket 28 is mounted at the top of the tank body 1, and the mounting bracket 28 is connected with the baffle 29.

Through the technical scheme, in the heating process of the toluene solution in the tank body 1, the stirring device 2 operates to ensure that the toluene solution in the tank body 1 is heated more uniformly so as to achieve a better purification effect, the motor 21 is installed on the outer wall 11 of the tank body 1 and is effectively sealed to prevent the solution from overflowing, the motor 21 drives the first gear 22 to rotate, the second gear 23 is meshed with the first gear 22, the two third gears 24 are respectively meshed with the first gear 22 and the second gear 23, so that the rotating mechanism 6 rotates, and the rotating mechanism 6 drives the scraper plate 27 to operate, thereby stirring the toluene solution in the tank body 1; meanwhile, the scraping plate 27 scrapes the inner wall 12 of the tank body 1, so that impurities in the toluene solution are prevented from being attached to the side wall or the bottom in the heating process, the subsequent heating effect is reduced, the scraping plate 27 is stirred by the baffle 29, and the impurities in the toluene solution are prevented from being attached to the scraping plate 27 to influence the use of a subsequent system in the scraping process.

Preferably, the rotating mechanism 6 comprises a supporting ring 61, a rotating ring 62, a first connecting rod 63, a second connecting rod 64, a third connecting rod 65 and a spacer 66, the support ring 61 is rotatably connected with the support shaft 25 through a bearing, the rotating ring 62 is arranged outside the support ring 61, the rotating ring 62 is rotatably connected with the supporting ring 61, three first connecting rods 63 are fixedly connected with the supporting shaft 25, the three first connecting rods 63 are uniformly distributed around the supporting shaft 25, the second connecting rods 64 are fixedly connected to the rotating ring 62, three second connecting rods 64 are uniformly distributed on the rotating ring 62, the first connecting rod 63 and the second connecting rod 64 are connected through the third connecting rod 65, a spacer 66 is arranged between the first connecting rod 63 and the third connecting rod 65, and the third connecting rod 65 is fixedly connected with the scraper 27.

Through the technical scheme, the rotating mechanism 6 rotates under the driving of the supporting shaft 25, the supporting shaft 25 drives the first connecting rod 63 to rotate, the first connecting rod 63 drives the third connecting rod 65 to rotate, the third connecting rod 65 drives the second connecting rod 64 to rotate, and the second connecting rod 64 drives the rotating ring 62 to rotate around the supporting ring 61; the second connecting rod 64 is arranged to restrict the rotation direction of the third connecting rod 65, and prevent the third connecting rod 65 from rotating randomly under the driving of the first connecting rod 63, so as to ensure the motion track of the scraper 27; the spacer 66 is provided to prevent the first link 63 and the second link 64 from interfering during operation.

Preferably, the supporting shaft 25 is eccentrically connected with the supporting ring 61, so that the supporting shaft 25 is prevented from being stuck in the rotating process through the eccentric connection, and meanwhile, the second connecting rod 64 is arranged to ensure that the scraping plate 27 is always kept at a horizontal position, so that the scraping plate 27 has more contact time when cleaning the inner wall 12, and the inner wall 12 can be cleaned more effectively.

Preferably, the front and rear two sets of rotating mechanisms 6 in the tank body 1 are installed in a staggered manner, the two sets of rotating mechanisms 6 rotate synchronously, one set of rotating mechanisms 6 drives the scraping plate 27 to clean the rear side wall and the bottom, the other set of rotating mechanisms 6 drives the scraping plate 27 to clean the front side wall and the bottom, and the front and rear two sets of rotating mechanisms 6 are installed in a staggered manner, so that a blind area of the scraping plate 27 in cleaning the bottom is reduced, and the two sets of rotating mechanisms 6 are installed in a staggered manner, so that the synchronous rotation of the two sets of rotating mechanisms 6 is required to be ensured in order to prevent interference between the mechanisms.

Preferably, the baffle 29 is made of silicon rubber, the bottom of the baffle 29 is of a comb-tooth-shaped structure, the baffle 29 is used for automatically cleaning impurities which can be attached to the scraper 27, the silicon rubber has certain flexibility, the baffle cannot be damaged in the contact process, and meanwhile, the bottom of the baffle 29 is of the comb-tooth-shaped structure, so that the attachments can be effectively cleaned.

Preferably, a protective layer 271 is glued to one side of the scraping plate 27 close to the inner wall 12, the protective layer 271 is made of silicon rubber, and by arranging the protective layer 271, damage to the inner wall 12 caused by the scraping plate 27 in the scraping process can be effectively prevented, the silicon rubber has good temperature resistance and good stability, and good working performance can be still ensured after long-time use.

Preferably, be equipped with a plurality of hydrophobic holes 272 on scraping flitch 27, hydrophobic holes 272 staggered arrangement each other through setting up the hydrophobic holes 272 of staggered arrangement, prevents to scrape flitch 27 and receives too big, and the required power of system operation is too big, the energy can be saved to toluene solution can be disturbed by further stirring at the in-process that passes hydrophobic holes 272 for toluene solution in the jar body 1 heats more evenly, secondly, when scraping flitch 27 and scraping inner wall 12 and getting impurity, hydrophobic holes 272 can increase and scrape and get the boundary, more effective clean function of realization.

The working principle is as follows: firstly, the stirring device 2 is fixedly arranged on the second tank body 19, the assembled second tank body 19 and the stirring device 2 are placed on the support frame 7, the support frame 7 is pushed to be in place, after the support frame 7 is positioned, the second tank body 19 and the stirring device 2 are pushed into the first tank body 18 by rolling balls 191 in the second ball groove 71 and the first ball groove 182, the second tank body 19 and the first tank body 18 are quickly fixed through a clamp 8 and sealed through a sealing ring, and meanwhile, a support cover 26 in the stirring device 2 is relatively fixed with the first tank body 18, so that the rotation of the support shaft 25 is supported; in the working process, impure toluene solution is added into the tank body 1 through the feed inlet 15, the toluene solution is subjected to heat transfer through the heating inner wall 12, and the stirring device 2 operates in the heat transfer process; the motor 21 is started to drive the first gear 22 to move, the second gear 23 is meshed with the first gear 22, the two third gears 24 are respectively meshed with the first gear 22 and the second gear 23, and the third gears 24 drive the supporting shaft 25 to rotate so as to realize the operation of the rotating mechanism 6; the supporting shaft 25 drives the first connecting rod 63 to rotate, the first connecting rod 63 drives the third connecting rod 65 to move, the third connecting rod 65 drives the second connecting rod 64 to move, the second connecting rod 64 restrains the movement track of the third connecting rod 65, so that the scraping plate 27 fixed on the third connecting rod 65 always keeps the same direction, in the moving process, the scraping plate 27 is in contact with the inner wall 12 of the tank body 1, impurities attached to the inner wall 12 can be scraped, meanwhile, the scraping plate 27 also plays a role in stirring, the scraping plate 27 is provided with a plurality of drainage holes 272 which are arranged in a staggered mode, the liquid resistance is reduced, meanwhile, the turbulence effect is increased, so that the toluene solution is heated more uniformly, the scraping plate 27 is in contact with the flexible baffle 29 in the rotating process of the supporting shaft 25, and the baffle 29 realizes a cleaning effect on the scraping plate 27;

the heating temperature is controlled, so that the toluene solution is heated and evaporated, the toluene steam enters the steam circulation device 3 and then runs around the tank body 1, the tank body 1 is provided with an outer wall 11 and an inner wall 12, a heat insulation layer 13 and a heat insulation layer 14 are arranged between the outer wall 11 and the inner wall 12 to block the heat of the inner wall 12 and reduce the heat loss, the steam enters the condensation collection box 4 through the steam circulation device 3, the condensed toluene solution and water are layered and discharged or absorb the aqueous solution at the bottom layer, so that relatively pure toluene solution can be obtained for industrial use, and harmful gas possibly existing in the toluene heating and volatilizing process is absorbed and purified through the filter tower 5 and finally discharged to the atmosphere;

after the primary distillation is finished, the clamp 8 is opened, the second tank 19 and the stirring device 2 are pulled out of the tank 1 and moved to the support frame 7, the support frame 7 is pulled, the second tank 19 and the stirring device 2 are moved to corresponding positions, and then cleaning is carried out.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.