CN114749226B

CN114749226B - High-temperature circulation oil bath pot

Info

Publication number: CN114749226B
Application number: CN202210485698.5A
Authority: CN
Inventors: 薄旭峰; 李喜瑞; 苏志明; 耿进朝
Original assignee: Zhengzhou Keda Machinery Equipment Co ltd
Current assignee: Zhengzhou Keda Machinery Equipment Co ltd
Priority date: 2022-05-06
Filing date: 2022-05-06
Publication date: 2023-07-21
Anticipated expiration: 2042-05-06
Also published as: CN114749226A

Abstract

The invention relates to a high-temperature circulating oil bath, which skillfully utilizes the liquid pressure of a circulating pump to form negative pressure water flow at a liquid discharge position in the bath, pushes stirring blades on the bottom surface of the bath to rotate, pushes high-temperature liquid near a heating wire at the central position of the bottom surface in the bath upwards in the stirring process, simultaneously adopts a spiral liquid guide pipe at a liquid inlet pipe position of the bath to rotate under the action of the liquid pushing force, thereby forming downward water flow rotational flow on the inner side wall of the bath, forming liquid interaction of an upper layer and a lower layer with the stirring blades, achieving the purpose of full heating, not only improving the heating efficiency, but also further reducing the temperature difference of the liquid at each part in the bath, achieving the purpose of constant-temperature heating, ensuring that the constant-temperature heating effect is more ideal, simultaneously realizing convenient disassembly of a transition bent pipe structure, ensuring that the stirring blades reliably rotate, having strong practicability and being suitable for popularization.

Description

High-temperature circulation oil bath pot

Technical Field

The invention belongs to the technical field of chemical reaction containers, and particularly relates to a high-temperature circulating oil bath pan.

Background

The circulating oil bath pan is widely applied to drying, concentration, distillation, chemical reagent invasion, medicines invasion and biological products, and is a necessary tool for biological, genetic, viral, aquatic products, environmental protection, medicine, sanitation, biochemical laboratories and analytical laboratory education and scientific research. The circulating oil bath pan in the prior art generally comprises a pan body and a base, wherein the pan body is fixed on the base, and the electric heating device is fixed in the pan body. The heating of the oil body in the pot body is realized through the heating of the electric heating device, the circulating oil bath pot can meet the heating requirement of more than 100 ℃ because the boiling point of oil is higher than that of water, and the reaction bottle can be heated in an omnibearing way, so that the reaction is uniform and is favored by scientific research users, and the circulating oil bath pot is widely applied to the current laboratory.

The existing high-temperature circulating oil bath pot adopts the structure that the lower end of the pot body is provided with an outlet and a circulating pipeline, liquid in the bath pot is pumped out of the bath pot through a high-temperature pump, a liquid inlet is formed in the side wall of the upper end of the bath pot, and the circulating heating effect is realized with an external reactor, but in the using process, the temperature of the liquid flowing into the bath pot from the liquid inlet on the bath pot is lower than the temperature of the liquid at the bottom of the bath pot due to the heating effect of the external reactor, a clear temperature difference is formed, the temperature difference of each part in the bath pot is large, and the temperature of the bottom of the bath pot is higher than the temperature of the upper layer in the circulating heating process, the liquid between the upper layer and the lower layer cannot be effectively replaced, the heating is insufficient, the heat exchange effect between different parts of the liquid is not ideal, the constant-temperature heating effect is poor, the temperature of the liquid entering the reactor is unstable, and the temperature of the liquid in the bath pot has certain fluctuation, so that the high-temperature circulating oil is used for solving the problem.

Disclosure of Invention

Aiming at the defects of the prior art, the invention aims to provide a high-temperature circulating oil bath pot, which is used for solving the problems of unsatisfactory constant-temperature heating effect, poor heat exchange effect between different parts in the bath pot and large temperature difference in the background art.

The technical aim of the invention is realized by the following technical scheme:

the high-temperature circulating oil bath pan comprises a box body, wherein a bath pan for containing oil is embedded at the top of the box body, a high-temperature pump arranged below the bath pan, a circulating oil way and a heating device are arranged in the box body, the high-temperature pump is communicated with a liquid discharge pipe arranged at the bottom of the bath pan through the circulating oil way, and a liquid outlet is connected to the outlet end of the circulating oil way;

the side wall of the box body is communicated with a liquid inlet pipe extending into the bath pan, one end of the liquid inlet pipe is communicated with a spiral liquid guide pipe arranged in the bath pan, the liquid guide pipe is close to the side wall of the bath pan and is spirally arranged downwards, a guide ring which is rotationally connected to the inner side wall of the bath pan is arranged below the outlet position of the liquid guide pipe, and a plurality of groups of inclined guide plates are uniformly distributed on the guide ring along the circumferential direction;

the central position of the inner bottom surface of the bath pan is rotationally connected with a rotating ring, a plurality of groups of inclined stirring blades are uniformly distributed on the rotating ring along the circumferential direction, the inner bottom surface of the bath pan is detachably provided with a transition elbow communicated with a liquid discharge pipe, the transition elbow is arranged at the peripheral position of the stirring blades, and the inlet end of the transition elbow is connected with an inlet size adjusting device for adjusting the inlet size of the inlet end of the transition elbow;

the high-temperature pump, the heating device and the temperature sensor are electrically connected with a controller arranged on the outer side wall of the box body.

The utility model provides a bath inner bottom surface set up with the coaxial ring channel that sets up of fluid-discharge tube, transition return bend insert and establish in the ring channel, along axial sliding fit annular slab in the ring channel, be connected with first spring between annular slab and the ring channel inner bottom surface, the ring channel lateral wall on open along the axial and have rectangular channel, open on the ring channel lateral wall have the arc wall that is linked together with rectangular channel bottom, the up end in the arc wall open have the rectangle holding tank that is linked together with the ring channel, transition return bend lateral wall on be connected with can pass through rectangular channel, arc wall and with holding tank matched with fixture block to constitute detachable construction.

The inlet size adjusting device comprises an annular ring structure arranged at the inlet end of the transition elbow, the hollow inside of the ring is provided with a U-shaped cross section, an annular driving plate is coaxially connected in a rotating mode in the ring, a regular polygon sliding groove structure is formed in a side surface of the driving plate, which is far away from the transition elbow, a combined plate is slidably matched in a sliding groove on each side, a plurality of groups of strip holes which are obliquely arranged are uniformly distributed on the side surface of the ring far away from the transition elbow along the circumferential direction, the number of the strip holes is matched with the number of the combined plates, guide pins which are slidably matched in the corresponding strip holes are connected on the combined plates, and the plurality of groups of combined plates are used for adjusting the inlet position of the transition elbow and are driven to rotate by an adjusting device arranged on the transition elbow.

Preferably, the adjusting device comprises a plurality of groups of circular arc holes formed in the circular ring and close to the transition elbow, and further comprises a plurality of groups of cylinders connected to one side surface of the driving plate and axially penetrating through the circular arc holes along the circular ring, cylindrical rods are axially slidably matched in the cylinders, second springs are connected between the cylindrical rods and the inner bottom surfaces of the corresponding cylinders, one ends of the plurality of groups of cylindrical rods are connected with a driving ring, and the driving ring is in threaded fit with the outer side wall of the transition elbow.

Preferably, the side wall of the bath pan is provided with an inclined drainage plate, and the drainage plate is arranged at the position of the inlet of the transition elbow.

Preferably, the upper end of the stirring blade is connected with an inclined plate which is obliquely arranged, and the inclined direction of the inclined plate is upward along the inclination of the direction of the water flow at the inlet of the transition elbow.

Preferably, the guide plate is arranged obliquely downwards along the liquid outlet direction at the position of the outlet of the liquid guide pipe.

Preferably, the lower end of the box body is provided with universal casters.

Preferably, an interlayer is arranged between the bath pot and the box body, and heat preservation cotton is filled in the interlayer.

Preferably, the high-temperature pump is a stainless steel high-temperature magnetic pump.

The invention has the beneficial effects that: according to the invention, the liquid pressure of the circulating pump is skillfully utilized, negative pressure water flow is formed at the liquid discharge position in the bath pan, the stirring blade on the bottom surface of the bath pan is pushed to rotate, high-temperature liquid near the heating wire at the central position of the bottom surface in the bath pan is pushed upwards in the stirring process, meanwhile, the spiral liquid guide pipe is arranged at the liquid inlet pipe position of the bath pan, the guide plate on the side wall of the bath pan is pushed to rotate under the action of the liquid pushing force, so that downward water flow rotational flow is formed on the inner side wall of the bath pan, liquid interaction of the upper layer and the lower layer is formed with the stirring blade, the purpose of full heating is achieved, the transition bent pipe adopts a detachable structure, the liquid in the bath pan is convenient to clean, the size of the inlet is regulated by the transition bent pipe through the inlet size regulating device, so that the rotation of the stirring blade is more reliable, the heating efficiency is improved, the temperature difference of the liquid in each part in the bath pan is further reduced, the purpose of heating can be achieved rapidly, the temperature difference of the liquid in the bath pan is smaller, the temperature difference in each part in the bath pan is more ideal, the constant temperature effect is kept, the constant temperature is more ideal, the constant temperature effect is convenient, the transition bent, the stirring effect is convenient to make, and practical and suitable for popularization and practical and easy.

Drawings

FIG. 1 is a block diagram of a high temperature circulating oil bath of the present invention.

Fig. 2 is a perspective view of the perspective structure of the bath of the present invention.

Fig. 3 is a perspective view of a bath pan of the present invention.

Fig. 4 is a top view of the bath of the present invention.

Fig. 5 is a cross-sectional view of A-A of fig. 4.

Fig. 6 is a perspective view showing a structure of a portion of the bath pan of the present invention, which is removed.

Fig. 7 is a cross-sectional view of a transition elbow and its connection portion of the present invention.

FIG. 8 is a perspective view of the transition elbow of the present invention mated with a bath.

Fig. 9 is a perspective view of a transition elbow and its attached inlet size adjustment device in accordance with the present invention.

FIG. 10 is a cross-sectional view of an inlet size adjustment device according to the present invention.

FIG. 11 is a perspective view showing a part of the structure of the inlet size adjusting means of the present invention.

Fig. 12 is a perspective view of a drive plate and a combined plate connected thereto according to the present invention.

Fig. 13 is a perspective view of a part of the structure of the present invention.

Fig. 14 is a perspective view of a rotary ring according to the present invention.

In the figure, 1, a box body; 2. a bath pot; 3. a high temperature pump; 4. a circulation oil path; 5. a liquid discharge pipe; 6. a liquid outlet; 7. an electric stove wire; 8. a temperature sensor; 9. a liquid inlet pipe; 10. a catheter; 11. a guide ring; 12. a guide plate; 13. a rotating ring; 14. stirring the leaves; 15. a transition elbow; 16. a controller; 17. an annular groove; 18. an annular plate; 19. a first spring; 20. a rectangular channel; 21. an arc-shaped groove; 22. a receiving groove; 23. a clamping block; 24. a circular ring; 25. a driving plate; 26. a chute; 27. a combination board; 28. a slit hole; 29. a guide pin; 30. a circular arc hole; 31. a cylinder; 32. a cylindrical rod; 33. a second spring; 34. a drive ring; 35. a drainage plate; 36. a diagonal plate; 37. universal castor.

Description of the embodiments

The following describes embodiments of the present invention in further detail with reference to FIGS. 1-14.

The high-temperature circulating oil bath is used as a circulating constant-temperature heating device in chemical reaction, the circulating oil bath can be used as a special constant-temperature circulating heating device for heating a jacketed glass reactor, and the circulating oil way of the high-temperature circulating oil bath is respectively connected with a liquid inlet and a liquid outlet 6 on a jacket of the jacketed glass reactor to realize circulation, so that a constant-temperature heating medium is provided for the reactor, the constant-temperature heating effect is particularly good, the high-temperature circulating oil bath can also be used as a common oil bath 2, and a glass reactor for rotary evaporation is placed in the high-temperature circulating oil bath, so that the heating effect is good;

the high-temperature circulating oil bath pan is characterized in that a box body 1 is adopted, a bath pan 2 for containing oil is embedded at the top of the box body 1, the bath pan 2 is made of a cylindrical structure which is generally in a cylindrical shape, the embedding mode of the bath pan 2 is generally placed at the upper end of the box body 1, and for better heat preservation effect, heat preservation cotton is arranged on the side wall of a groove body used for embedding the bath pan 2 in the box body 1, so that the heat preservation effect of the bath pan 2 is better, meanwhile, universal casters which are convenient to move are arranged below the box body 1, the high-temperature circulating oil bath pan 2 is convenient to move, and a brake system is arranged on the universal casters, so that parking is convenient;

the high-temperature pump 3 arranged below the bath 2 is arranged in the box body 1, the circulating oil way 4 and the heating device are arranged, the high-temperature pump 3 is manufactured by adopting a stainless steel high-temperature magnetic pump, the performance is stable, the quality is reliable, no leakage exists, the high-temperature pump 3 is communicated with the liquid discharge pipe 5 arranged at the bottom of the bath 2 through the circulating oil way 4, the outlet end of the circulating oil way 4 is connected with the liquid outlet 6, the circulating oil way 4 is arranged at two sides of the high-temperature pump 3, one end of the circulating oil way 4 is connected with the liquid outlet 6, the liquid outlet 6 is connected with the liquid inlet of the jacket glass reactor, the other end of the high-temperature pump 3 is connected with the liquid discharge pipe 5 at the bottom of the bath 2 to form a circulating oil way 4 system, the high-temperature pump 3 is responsible for pumping liquid in the bath 2 out of the circulating oil way 4 and then flows out from the liquid outlet 6 to form circulation, the electric stove wire 7 and the temperature sensor 8 are arranged at the bottom of the bath 2, the electric stove wire 7 is connected with the heating device to complete heating work, the electric stove wire 7 is wound on the bottom of the bath 2, an interval is reserved between the electric stove wire and the bottom in the heating device, the electric stove wire is a common electric heating mode in the prior art, the heating mode is used for realizing constant temperature monitoring and the purpose of the temperature monitoring of the bath 2;

the side wall of the box body 1 is communicated with a liquid inlet pipe 9 which extends into the bath 2, the liquid inlet pipe 9 passes through the side wall of the box body 1 and extends out of the box body 1, a circulation loop is formed between the liquid inlet pipe 9 and the outside, one end of the liquid inlet pipe 9 is communicated with a spiral liquid guide pipe 10 which is arranged in the bath 2, the liquid guide pipe 10 is close to the side wall of the bath 2 and spirally arranged downwards, the liquid guide pipe 10 and the bath 2 are attached as much as possible, enough space flows out of the center position in the bath 2 to heat the reactor, the spiral liquid guide pipe 10 aims to ensure that liquid entering the bath 2 from the liquid inlet pipe 9 can be preheated in the spiral liquid guide pipe 10 firstly, because the liquid guide pipe 10 is arranged in the liquid in the bath 2, the liquid in the liquid guide pipe 10 can be preheated in advance in the flowing process of the liquid guide pipe 10, so that the liquid flowing out of the outlet position of the liquid guide pipe 10 is not excessively different from the temperature difference of the liquid in the bath 2, meanwhile, as the heating wires in the bath 2 are arranged on the bottom surface of the bath 2, the temperature of the bottom layer in the bath 2 is higher than the temperature of the upper layer, if the liquid in the liquid inlet pipe 9 is directly reserved from the liquid inlet to the upper layer of the bath 2, the temperature difference of the upper layer and the lower layer is further increased, the guiding ring 11 rotationally connected on the inner side wall of the bath 2 is arranged below the outlet position of the liquid guide pipe 10, a plurality of groups of inclined guiding plates 12 are uniformly arranged on the guiding ring 11 along the circumferential direction, the guiding plates 12 are obliquely downwards arranged along the liquid outlet direction at the outlet position of the liquid guide pipe 10, that is, the liquid in the liquid guide pipe 10 is preheated in the process of flowing down along with the liquid guide pipe 10, and meanwhile, the liquid has moving kinetic energy when entering the inlet end of the bath 2 from the liquid inlet in the circulating process, then through the transformation of the gravitational potential energy of the spiral catheter 10, the kinetic energy flowing out of the outlet of the catheter 10 is further increased, here, the guide plate 12 at the outlet position rotates along with the water flowing out direction along with the guide ring 11, so as to stir the liquid at the middle position in the bath 2, namely the outlet of the catheter 10, meanwhile, because the arrangement direction of the guide plate 12 is inclined downwards, the water flow at the outlet position of the catheter 10 is downwards stirred towards the direction close to the inner side wall of the bath 2, so that the liquid with lower temperature can reach the bottom of the bath 2 rapidly, meanwhile, the stirring of the guide plate 12 accelerates the mutual melting capacity between the liquids with different temperature differences, the heating efficiency can be accelerated, the temperature difference of each area in the bath 2 is further reduced, and the purpose of constant temperature is realized, and here, care needs to be taken that the position of the guide plate 12 is lower than the outlet position of the catheter 10, so as to prevent the interference of the two when the arrangement is carried out;

the central position of the inner bottom surface of the bath 2 is rotationally connected with the rotary ring 13, a plurality of groups of inclined stirring blades 14 are uniformly distributed on the rotary ring 13 along the circumferential direction, the stirring range of the stirring blades 14 is positioned in the central area of the bottom of the bath 2, the inner bottom surface of the bath 2 is detachably provided with a transition elbow 15 communicated with a liquid discharge pipe 5, the transition elbow 15 is bent at ninety degrees, the purpose of the detachable connection mode of the transition elbow 15 is that after the use is finished, the liquid at the bottom of the bath 2 is conveniently cleaned, the liquid in the bath 2 is prevented from being thoroughly cleaned due to the existence of the transition elbow 15, the transition elbow 15 is arranged at the peripheral position of the stirring blades 14, the stirring blades 14 play a role of drainage, the inlet end of the transition elbow 15 is connected with an inlet size adjusting device for adjusting the inlet size of the inlet end of the transition elbow 15, the liquid in the bath 2 can be pumped out by the high-temperature pump 3 through the circulating oil way 4 due to the liquid discharge pipe 5 communicated with the transition elbow 15, so that strong suction force is formed, the liquid is sucked by the pump body, and forms large suction force from the inlet position of the transition elbow 15, so that liquid water flow towards the inlet position of the transition elbow 15 at the bottom of the bath 2 is formed at the position of the transition elbow 15, meanwhile, the transition elbow 15 is arranged at the peripheral position of the stirring blade 14, so that the stirring blade 14 is pushed by the water flow formed by the suction force to stir the bottom position of the bath 2, and in order to better push the stirring blade 14 to rotate, an inclined drainage plate 35 is arranged on the side wall of the bath 2, and the drainage plate 35 is arranged at the position of the inlet of the transition elbow 15, so that under the suction force, the water flow can form better pushing effect on the water flow at the stirring blade 14 through the drainage plate 35, the upper end of the stirring blade 14 is connected with the inclined plate 36 which is obliquely arranged, the inclined direction of the inclined plate 36 is upward along the inclination of the water flow inlet direction of the transition bent pipe 15, along with the stirring of the stirring blade 14, the inclined plate 36 on the inclined plate can stir the heated water at the bottom of the bath 2 upward from the central position of the bath 2, the effect of liquid mixing is improved in the stirring process, the temperature difference is reduced, meanwhile, the inclined plate 36 on the stirring blade 14 can smoothly stir the liquid upward due to the higher heating temperature under the action of the heating wire, the inclined plate 12 circulates with the guide plate 12, the liquid stirred by the upper temperature is pushed downward along the inner side wall of the bath 2 in the stirring process, the stirring blade 14 pushes the liquid at the center position of the bottom with higher temperature downwards from the center of the bath 2 in the stirring process to form an effective circulation loop, so that the heating efficiency is improved, the temperature difference of the liquid at each part in the bath 2 is further reduced, the purpose of constant-temperature heating is achieved, meanwhile, the purpose of arranging the inlet size adjusting device at the inlet position of the transition elbow 15 is that when the water resistance in the bath 2 is larger, the inlet end of the transition elbow 15 can be adjusted to be smaller through the inlet size adjusting device when the stirring blade 14 cannot be conducted with drainage stirring, the flow rate in unit time is unchanged under the condition that the power of the high-temperature pump 3 is unchanged, the speed of entering from the inlet position of the transition elbow 15 is increased once the inlet size is changed, so that the liquid with the same flow rate in unit time can be ensured, the further increase of the speed further ensures that the stirring blade 14 can stir smoothly, thereby improving the operation reliability of the device;

the high temperature pump 3, the heating device and the temperature sensor 8 are all electrically connected with the controller 16 arranged on the outer side wall of the box body 1, the controller 16 is used for collecting data information, meanwhile, each device is controlled to work according to time sequence, the controller 16 can display real-time temperature, meanwhile, the controller 16 can be input with the temperature wanted by a user, so that the liquid in the high temperature pump 3 is heated through the heating device, when the high temperature circulating oil bath 2 is used, the liquid inlet pipe 9 and the liquid outlet 6 are respectively connected with the interlayer of the reactor, then the liquid in the oil bath 2 is heated through the controller 16, needless to say, the reactor is heated, the temperature of the liquid circulated into the bath 2 is lower than the temperature of the liquid pumped from the high temperature pump 3 because heat transfer and consumption are generated, therefore, when flowing into the bath 2 from the liquid inlet pipe 9 through the spiral liquid guide pipe 10, firstly, the liquid in the liquid guide pipe 10 is preheated, the liquid has certain kinetic energy when flowing out of the liquid guide pipe 10, the guide plate 12 below the liquid guide pipe is pushed to rotate, the liquid in the bath 2 is stirred and simultaneously pushed downwards along the inner side wall of the bath 2, meanwhile, at the position of the liquid outlet, the liquid suction direction of the high-temperature pump 3 is changed from vertical to horizontal due to ninety degrees of the guide bent pipe, due to the strong suction force of the high-temperature pump 3, and simultaneously, the water flow at the position of the inlet of the transition bent pipe 15 is guided and drained under the regulation of the inlet size regulating device, the water flow at the position of the inlet is formed into an adsorption effect, so that the water flow is formed, and the stirring blade 14 at the bottom of the bath 2 is pushed to stir, the liquid with higher temperature at the bottom is pushed upwards while stirring the bottom, so that circulation is formed with the guide plate 12, an effective circulation loop is formed, the heating efficiency is improved, the temperature difference of the liquid at each part in the bath 2 is further reduced, the purpose of constant-temperature heating is achieved, the liquid in the bath 2 can quickly reach the established heating temperature, the temperature difference at each part in the bath 2 is smaller, and the effect of constant-temperature heating is more ideal.

On the basis of the first embodiment, the second embodiment discloses a detachable connecting structure of the transition elbow 15, which is convenient to use and very reliable in the use process, and meanwhile, the detachable structure can further clean the liquid in the bath 2 without accumulation at the bottom;

an annular groove 17 which is coaxially arranged with the liquid discharge pipe 5 is arranged on the inner bottom surface of the bath 2, a transition bent pipe 15 is inserted into the annular groove 17, a rubber sleeve can be arranged in the annular groove 17 when the transition bent pipe 15 is inserted into the annular groove, the sealing effect can be ensured while the rotation of the transition bent pipe 15 is not influenced, an annular plate 18 is axially matched in the annular groove 17 in a sliding way, a first spring 19 is connected between the annular plate 18 and the inner bottom surface of the annular groove 17, the first spring 19 plays a role of reversely pushing the transition bent pipe 15 when being pressed, a rectangular channel 20 is axially arranged on the side wall of the annular groove 17, the lower end surface of the rectangular channel 20 is higher than the inner bottom surface of the annular groove 17, but under the condition that the first spring 19 is in a natural state, the height of the annular plate 18 is higher than the lower end surface of the rectangular channel 20, an arc-shaped groove 21 which is communicated with the bottom of the rectangular channel 20 is arranged on the side wall of the annular groove 17, the upper end surface in the arc-shaped groove 21 is provided with a rectangular containing groove 22 communicated with the annular groove 17, the rectangular channel 20, the arc-shaped groove 21 and the containing groove 22 form an L-shaped structure, the outer side wall of the transition elbow 15 is connected with a clamping block 23 which can pass through the rectangular channel 20 and the arc-shaped groove 21 and is matched with the containing groove 22, so that a detachable structure is formed, when the detachable installation is carried out, the lower end of the transition elbow 15 is inserted into the annular groove 17, the clamping block 23 corresponds to the rectangular channel 20, the clamping block 23 moves downwards along the rectangular channel 20 along the transition elbow 15, after the transition elbow 15 contacts with the annular plate 18, the first spring 19 is compressed downwards, the clamping block 23 is known to reach the lower end surface of the rectangular channel 20, then the transition elbow 15 is rotated, the clamping block 23 on the transition elbow 15 moves along with the arc-shaped groove 21, after the transition elbow 15 is moved to the position of the containing groove 22, the transition elbow 15 is pulled upwards, the fixture block 23 is blocked into the holding groove 22, under the reverse action of the first spring 19, the fixture block 23 can be reliably blocked in the holding groove 22, the transition elbow 15 can not rotate, the transition elbow 15 is reliably used, when the transition elbow is disassembled, the transition elbow 15 is only required to be pressed downwards, the first spring 19 is then compressed to further shrink, and then the fixture block 23 is withdrawn along the directions of the arc-shaped groove 21 and the rectangular channel 20, so that the detachable connection mode can be realized.

In the third embodiment, based on the first embodiment, we disclose an inlet size adjusting device in this embodiment, which is used to adjust the size of the inlet end of the transition elbow 15;

the inlet size adjusting device comprises an annular ring 24 structure arranged at the inlet end of the transition elbow 15, the inside of the ring 24 is hollow and the cross section of the ring 24 is U-shaped, the ring 24 is wrapped, the outside is closed, an annular through hole is formed in the axial position of the center and matched with the inlet size of the transition elbow 15, an annular driving plate 25 is coaxially and rotatably connected in the ring 24, the center of the driving plate 25 is also provided with a through hole matched with the inlet size of the transition elbow 15, a regular polygon chute 26 structure is formed in the side surface of the driving plate 25 far away from the transition elbow 15, which is illustrated by taking regular hexagons as an example, however, the sliding grooves 26 on each side are not limited to regular hexagons, a combined plate 27 is matched in a sliding way, so that the plate 27 can only move along the sliding grooves 26 on each ridge of the regular polygon chute 26 and is not separated, in the arrangement mode, a dovetail groove is adopted for arrangement, a plurality of groups of strip holes 28 which are obliquely arranged are uniformly distributed on one side surface of the ring 24 far away from the transition elbow pipe 15 along the circumferential direction, the groups of strip holes 28 are matched with the groups of the composition plates 27, the same groups of strip holes 28 are arranged into six groups, the composition plates 27 are connected with guide pins 29 which are in sliding fit in the corresponding strip holes 28, the groups of composition plates 27 are used for adjusting the position of the inlet of the transition elbow pipe 15, the composition plates 27 are pushed to move along the direction of the chute 26 in the rotating process of the driving plate 25, but the limitation of the strip holes 28 ensures that the composition plates 27 rotate in the moving process towards the radial center, the groups of composition plates 27 are in a matching relationship and can be used for adjusting the size of the inlet so as to adjust the size of the liquid inlet of the transition elbow pipe 15, thereby adjusting the water flow rate of the inlet;

the driving plate 25 is driven to rotate by the adjusting device arranged on the transition elbow 15, and since the driving plate 25 rotates in the using process, when the adjusting device is introduced, the adjusting device can work reliably, so that the adjusting device is disclosed in the embodiment at the same time;

the adjusting device comprises a plurality of groups of circular arc holes 30 which are formed in the circular ring 24 and are close to the transition elbow 15, the plurality of groups of circular arc holes 30 are uniformly distributed on the circular ring 24 along the circumferential direction, the circular arc degree of the circular arc holes 30 and the circular ring 24 are coaxially arranged, the adjusting device further comprises a plurality of groups of cylinders 31 which are connected to one side surface of the driving plate 25 and axially penetrate through the circular arc holes 30 along the circular ring 24, cylindrical rods 32 are axially and slidably matched in the cylinders 31, the cylinders 31 and the cylindrical rods 32 form a telescopic cylinder structure, second springs 33 are connected between the cylindrical rods 32 and the inner bottom surfaces of the corresponding cylinders 31, one ends of the plurality of groups of cylindrical rods 32 are connected with a driving ring 34, the driving ring 34 is in threaded fit on the outer side wall of the transition elbow 15, the driving ring 34 can adjust the size of the combined plate 27 in the process of driving plate 25, the driving ring 34 can stretch or compress in the direction of the circular ring 24 due to the threaded connection of the driving ring 34, the second springs 33 stretch or compress in the direction of the circular ring 24, the driving ring 34 cannot easily rotate due to the threaded fit under the restoring force of the second springs 33, the driving ring 34 can not conveniently rotate under the action of the restoring force of the second springs 33, and the driving ring 34 can not be conveniently rotated to be prevented from changing the driving water flow reliably.

When the invention is used, firstly, the transition elbow 15 is arranged on the bottom surface of the bath 2, the lower end of the transition elbow 15 is inserted into the annular groove 17, the clamping block 23 corresponds to the rectangular channel 20, the clamping block 23 moves downwards along the rectangular channel 20 along with the transition elbow 15, the first spring 19 is compressed downwards after the transition elbow 15 contacts with the annular plate 18, the clamping block 23 reaches the lower end surface of the rectangular channel 20, then the transition elbow 15 is rotated, the clamping block 23 moves along with the arc groove 21, after the clamping block 23 moves to the position of the containing groove 22, the transition elbow 15 is pulled upwards, the clamping block 23 is clamped into the containing groove 22, the clamping block 23 can be reliably clamped in the containing groove 22 under the reverse action of the first spring 19, and the transition elbow 15 can not rotate and can be reliably used;

after the installation, when the high-temperature circulating oil bath 2 is operated, the liquid inlet pipe 9 and the liquid outlet 6 are respectively connected with the interlayer of the reactor, then the liquid in the oil bath 2 is heated through the controller 16, and needless to say, the temperature of the liquid which is circulated into the bath 2 is lower than that of the liquid pumped from the high-temperature pump 3, because the heat transfer and consumption are generated, when the liquid flows into the bath 2 from the liquid inlet pipe 9 through the spiral liquid guide pipe 10, the liquid in the liquid guide pipe 10 is firstly preheated, the liquid has a certain kinetic energy when the liquid flows out of the liquid guide pipe 10, the guide plate 12 below the liquid guide pipe is pushed to rotate, the liquid in the bath 2 is stirred and pushed downwards along the inner side wall of the bath 2, and meanwhile, at the position of the liquid outlet, because of ninety degrees of the guide elbow, the liquid pumping direction of the high-temperature pump 3 is converted from vertical to horizontal, because of the strong suction force of the high-temperature pump 3, water at the inlet position of the transition elbow 15 flows into and is guided, if the liquid resistance is not ideal, the inlet size of the transition elbow 15 can be adjusted in advance, so that the transition elbow 15 can reliably guide and push the stirring blade 14 to rotate, the water at the inlet position forms an adsorption effect, thereby forming water flow, pushing the stirring blade 14 at the bottom of the bath 2 to stir, stirring the bottom, simultaneously pushing the liquid with higher temperature at the bottom upwards, forming circulation with the guide plate 12, forming an effective circulation loop, not only improving the heating efficiency, but also further reducing the temperature difference of the liquid at each part in the bath 2, the purpose of constant temperature heating is achieved, the liquid in the bath 2 can quickly reach the established heating temperature, the temperature difference of the positions in the bath 2 is small, the constant temperature heating effect is more ideal, meanwhile, the transition bent pipe 15 is convenient to detach in structure, the drainage effect is ideal, the stirring blade 14 can reliably rotate, and the constant temperature heating device is high in practicability and suitable for popularization.

The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.

Claims

1. The high-temperature circulating oil bath pan comprises a box body (1), wherein a bath pan (2) for containing oil is embedded at the top of the box body (1), a high-temperature pump (3) arranged below the bath pan (2) is arranged in the box body (1), a circulating oil way (4) and a heating device are arranged in the box body (1), the high-temperature pump (3) is communicated with a liquid discharge pipe (5) arranged at the bottom of the bath pan (2) through the circulating oil way (4), and a liquid outlet (6) is connected to the outlet end of the circulating oil way (4), and the high-temperature circulating oil bath pan is characterized in that an electric stove wire (7) and a temperature sensor (8) are arranged on the inner bottom surface of the bath pan (2), and the electric stove wire (7) is connected with the heating device to complete heating work;

the utility model discloses a bath pan, which is characterized in that a liquid inlet pipe (9) extending into the bath pan (2) is communicated with the side wall of the box body (1), one end of the liquid inlet pipe (9) is communicated with a spiral liquid guide pipe (10) arranged in the bath pan (2), the liquid guide pipe (10) is close to the side wall of the bath pan (2) and spirally arranged downwards, a guide ring (11) rotationally connected to the inner side wall of the bath pan (2) is arranged below the outlet position of the liquid guide pipe (10), and a plurality of groups of inclined guide plates (12) are uniformly arranged on the guide ring (11) along the circumferential direction;

the inner bottom surface of the bath pot (2) is rotatably connected with a rotary ring (13), a plurality of groups of inclined stirring blades (14) are uniformly distributed on the rotary ring (13) along the circumferential direction, a transition elbow (15) communicated with a liquid discharge pipe (5) is detachably arranged on the inner bottom surface of the bath pot (2), the transition elbow (15) is arranged at the peripheral position of the stirring blades (14), and the inlet end of the transition elbow (15) is connected with an inlet size adjusting device for adjusting the inlet size of the inlet end of the transition elbow (15);

the high-temperature pump (3), the heating device and the temperature sensor (8) are electrically connected with a controller (16) arranged on the outer side wall of the box body (1);

the utility model provides a bath pan, including bath pan (2) and transition return bend, transition return bend (15) set up in the bottom surface in set up with fluid-discharge tube (5) coaxial ring channel (17), along axial sliding fit annular slab (18) in ring channel (17), be connected with first spring (19) between annular slab (18) and the bottom surface in ring channel (17), ring channel (17) lateral wall on open along the axial have rectangular channel (20), open on ring channel (17) lateral wall have arc groove (21) with rectangular channel (20) bottom is linked together, the up end in arc groove (21) open rectangular holding tank (22) with ring channel (17) are linked together, transition return bend (15) lateral wall on be connected with can pass through rectangular channel (20), arc groove (21) and with holding tank (22) matched with fixture block (23) to constitute detachable structure;

the inlet size adjusting device comprises an annular ring (24) structure arranged at the inlet end of a transition elbow pipe (15), the hollow inside of the ring (24) and the cross section of the ring (24) are in U-shaped arrangement, an annular driving plate (25) is coaxially connected in a rotating mode, a regular polygon sliding groove (26) structure is arranged on one side surface of the driving plate (25) away from the transition elbow pipe (15), a combination plate (27) is in sliding fit with the sliding groove (26) on each side, a plurality of groups of strip holes (28) which are obliquely arranged are uniformly distributed on one side surface of the transition elbow pipe (15) along the circumferential direction, the groups of strip holes (28) are matched with the number of the combination plates (27), guide pins (29) which are in sliding fit with the corresponding strip holes (28) are connected on the driving plate (27), and the groups of combination plates (27) are used for adjusting the inlet position of the transition elbow pipe (15) and are driven to rotate by an adjusting device arranged on the transition elbow pipe (15).

2. The high-temperature circulating oil bath according to claim 1, wherein the adjusting device comprises a plurality of groups of circular arc holes (30) formed on the circular ring (24) close to the transition elbow pipe (15), and further comprises a plurality of groups of cylinders (31) connected to one side surface of the driving plate (25) and axially penetrating through the circular arc holes (30) along the circular ring (24), cylindrical rods (32) are axially and slidably matched in the cylinders (31), second springs (33) are connected between the cylindrical rods (32) and the inner bottom surfaces of the corresponding cylinders (31), one ends of the plurality of groups of cylindrical rods (32) are connected with a driving ring (34), and the driving ring (34) is in threaded fit on the outer side wall of the transition elbow pipe (15).

3. The high-temperature circulating oil bath according to claim 1, characterized in that an inclined flow guiding plate (35) is arranged on the side wall of the bath (2), and the flow guiding plate (35) is arranged at the position of the inlet of the transition elbow pipe (15).

4. The high-temperature circulating oil bath according to claim 1, wherein the upper end of the stirring blade (14) is connected with an inclined plate (36) which is obliquely arranged, and the inclined direction of the inclined plate (36) is upward arranged along the inclination of the direction of the water flow at the inlet of the transition elbow pipe (15).

5. The high-temperature circulating oil bath according to claim 1 or 4, characterized in that the guide plate (12) is arranged obliquely downward along the outlet direction at the outlet position of the liquid guiding tube (10).

6. The high-temperature circulating oil bath pan according to claim 1, wherein the lower end of the box body (1) is provided with universal casters.

7. The high-temperature circulating oil bath according to claim 1, wherein an interlayer is arranged between the bath (2) and the box body (1), and heat-insulating cotton is filled in the interlayer.

8. The high-temperature circulating oil bath according to claim 1, characterized in that the high-temperature pump (3) is a stainless steel high-temperature magnetic pump.