CN210906181U

CN210906181U - Unsaturated polyester resin is reation kettle for equipment

Info

Publication number: CN210906181U
Application number: CN201921875829.0U
Authority: CN
Inventors: 许和清
Original assignee: Wuxi Guanghesheng Chemical Equipment Co ltd
Current assignee: Wuxi Guanghesheng Chemical Equipment Co ltd
Priority date: 2019-11-04
Filing date: 2019-11-04
Publication date: 2020-07-03
Anticipated expiration: 2029-11-04

Abstract

The utility model discloses an unsaturated polyester resin is reation kettle for equipment, concretely relates to reation kettle field, including the cauldron body, the internally mounted of cauldron body lateral wall has the coil, and the inner wall surface mounting of the cauldron body has the becket, and the surface mounting of the cauldron body has a plurality of sampling tubes, and the discharging pipe is installed to the bottom of the cauldron body, and power device is installed to the top surface of the cauldron body, and power device's output is connected with (mixing) shaft, stirring paddle leaf, and the top of the cauldron body is connected with the fractionating column, and the output of fractionating column is connected with heat exchange tube, pipe, condenser, receiver. The utility model discloses a set up eddy current coil and large tracts of land stirring paddle leaf, utilize eddy current coil to carry out electromagnetic heating's form to stirring paddle leaf, the fast energy conversion rate of heating is high, and the stirring paddle leaf that is heated can give the material with heat uniform transfer at the stirring in-process with material contact, has thoroughly avoided the phenomenon that burnt paste appears in the cauldron body lateral wall that traditional heating coil leads to, heats evenly high-efficient.

Description

Unsaturated polyester resin is reation kettle for equipment

Technical Field

The utility model relates to a reation kettle technical field, more specifically say, the utility model specifically is an unsaturated polyester resin reation kettle for equipment.

Background

The reaction kettle is a key device for synthesizing unsaturated polyester resin in the production of unsaturated polyester resin, the common reaction kettle adopts a pipe clamping for heating, when the volume of the kettle is increased, the ratio of the increase of the surface area of the kettle is smaller than the ratio of the increase of the volume, so that the effective heating or cooling area is reduced for unit volume, the production period is prolonged and is difficult to control, in the prior art, the reaction kettle for unsaturated polyester resin can generate useful gas only in the vacuum pumping stage to be recycled, and the recycling efficiency is low.

In order to solve the problem, patent application publication No. CN201770640U discloses a reation kettle for unsaturated polyester resin equipment, refer to specification attached figure 5, pass through in this application the utility model discloses be equipped with the coil pipe in the cauldron, make production cycle obtain control like this, production efficiency is improved, the (mixing) shaft 4 that is equipped with in the cauldron is on the central line of pot, enable the material misce bene, whole reactant temperature is even, local overheated has been prevented, the manhole that is equipped with can be used to the workman and advance the interior inspection pot wall corrosion condition and the intact condition of internal plant of pot, be equipped with a plurality of sampling tubes 6 on the cauldron, can regularly sample the inspection like this, with confirm reaction degree, production efficiency is improved, economic benefits has been brought.

However, the technical scheme still has more defects in actual application;

firstly, because the reaction kettle adopts the heating coil to heat materials in the reaction kettle, the heating coil can only heat the side wall of the kettle body, and the material principle of the side wall is poor in fluidity of the stirring blade, so that the heat convection cannot be quickly realized, the phenomena of wall adhesion and scorching are easily caused on the side wall, and the product quality is reduced;

secondly, because this reation kettle adopts directly to keep warm to the inside inert gas that adds of heat preservation chamber of the cauldron body, inert gas generally keeps through low temperature liquefaction, causes the internal temperature of cauldron to reduce rapidly because its temperature is lower when inert gas gets into, leads to the cauldron body low in heating efficiency.

Therefore, it is highly desirable to provide a reaction kettle for unsaturated polyester resin equipment, which can be heated uniformly to prevent scorching.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects in the prior art, the embodiment of the utility model provides a reaction kettle for unsaturated polyester resin equipment, through setting up vortex coil and large-area stirring paddle, utilize the vortex coil to carry out the form of electromagnetic heating to stirring paddle, the heating rate is fast, the energy conversion rate is high, and the stirring paddle that is heated can evenly transmit the heat to the material with the material contact in the stirring process, thoroughly avoid the phenomenon that the kettle body lateral wall appears scorching because of traditional heating coil, the heating is even and efficient; additionally, the utility model discloses a wear to be equipped with the heat exchange tube on the pipe of condenser upside, inert gas gets into the heat preservation chamber in the cauldron outside after being heated by the material in the pipe when the heat exchange tube, and then forms one deck air protection film in the reation kettle outside, thereby very big improvement reation kettle's thermal insulation performance, thermal lapse has been reduced, reation kettle's thermal insulation performance has been improved, thermal recycle has been realized in the waste gas, thermal waste has been avoided, with the problem of proposing in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a reaction kettle for unsaturated polyester resin equipment comprises a kettle body, wherein the kettle body is of a double-layer structure, a coil is fixedly arranged inside the side wall of the kettle body, a metal ring is fixedly arranged on the surface of the inner wall of the kettle body, a plurality of sampling pipes are fixedly arranged on the surface of the kettle body, a discharging pipe is fixedly arranged at the bottom end of the kettle body, a power device is fixedly arranged on the top surface of the kettle body, a stirring shaft is fixedly connected with the output end of the power device, stirring blades are fixedly arranged on the surface of the stirring shaft, a fractionating column is fixedly connected to the top end of the kettle body, a heat exchange pipe is fixedly connected with the output end of the fractionating column, a heat exchange device is fixedly sleeved outside the heat exchange pipe, an inert gas filling port is fixedly connected to one side of the heat exchange device, the other side of the heat exchange device is communicated with the inner wall cavity, the other end fixedly connected with condenser of pipe, the other end fixedly connected with receiver of condenser.

In a preferred embodiment, the top surface of the kettle body is provided with a transparent observation hole, the kettle body is a stainless steel component, a closed cavity is formed between the double-layer side walls of the kettle body, and the bottom of the kettle body is provided with a heat-insulating interlayer.

In a preferred embodiment, the coil is an eddy current coil, the metal ring is fixedly clamped in the inner wall of the kettle body, the coil is wound on the outer side of the metal ring, and a gap is formed between the coil and the metal ring.

In a preferred embodiment, the stirring shaft and the stirring blade are metal members, the surface of the stirring blade is of a smooth surface structure, and the surface of the stirring shaft and the surface of the stirring blade are hardened.

In a preferred embodiment, the power device is composed of a motor and a speed reducer, an output end of the power device penetrates into the kettle body and is fixedly connected with the top end of the stirring shaft, and an output end of the power device is electrically connected with a rotating speed adjusting controller.

In a preferred embodiment, two ends of the heat exchange tube are respectively and fixedly connected with the output end of the fractionating column and the end of the guide tube, the surface of the heat exchange tube is provided with heat conducting fins, and the heat exchange tube is positioned inside the heat exchange device.

In a preferred embodiment, the communicating pipe of the condenser and the receiver is fixed with the sampling pipe, and the bottom end of the receiver is fixedly provided with the liquid outlet pipe.

The utility model discloses a technological effect and advantage:

1. the utility model discloses a set up eddy current coil and large tracts of land stirring paddle leaf, utilize eddy current coil to carry out the form of electromagnetic heating to stirring paddle leaf, the rate of energy conversion is high fast to heat, and the stirring paddle leaf that is heated can evenly transmit the heat to the material with the material contact in the stirring process, has thoroughly avoided the phenomenon that burnt paste appears in the cauldron body lateral wall that traditional heating coil leads to, and the heating is even high-efficient;

2. the utility model discloses a wear to be equipped with a heat exchanger section of thick bamboo on the pipe of condenser upside, inert gas gets into the heat preservation chamber in the cauldron outside after being heated by the material in the pipe when a heat exchanger section of thick bamboo, and then forms one deck air protection film in the reation kettle outside to very big improvement reation kettle's thermal insulation performance, reduced thermal lapse, improved reation kettle's thermal insulation performance, realized thermal recycle in the waste gas, avoided thermal waste.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is the internal structure schematic diagram of the kettle of the utility model.

Fig. 3 is a schematic structural view of the heating device of the present invention.

Fig. 4 is a schematic view of the heat exchange tube structure of the present invention.

Fig. 5 is a schematic diagram of a comparison file structure of the present invention.

The reference signs are: 1. a kettle body; 2. a coil; 3. a metal ring; 4. a stirring shaft; 5. a stirring paddle; 6. a sampling tube; 7. a discharge pipe; 8. a power plant; 9. a fractionating column; 10. a heat exchange device; 11. an inert gas filling port; 12. a conduit; 13. a condenser; 14. a receiver; 15. a heat exchange tube.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in attached figures 1-4, the reaction kettle for unsaturated polyester resin equipment comprises a kettle body 1, wherein the kettle body 1 is of a double-layer structure, a coil 2 is fixedly arranged inside the side wall of the kettle body 1, a metal ring 3 is fixedly arranged on the surface of the inner wall of the kettle body 1, a plurality of sampling pipes 6 are fixedly arranged on the surface of the kettle body 1, a discharging pipe 7 is fixedly arranged at the bottom end of the kettle body 1, a power device 8 is fixedly arranged on the top surface of the kettle body 1, a stirring shaft 4 is fixedly connected to the output end of the power device 8, stirring blades 5 are fixedly arranged on the surface of the stirring shaft 4, a fractionating column 9 is fixedly connected to the top end of the kettle body 1, a heat exchange pipe 15 is fixedly connected to the output end of the fractionating column 9, a heat exchange device 10 is fixedly connected to the outer side of the heat exchange pipe 15, an inert gas filling port 11 is fixedly connected, the other end of the heat exchange tube 15 is fixedly connected with a guide tube 12, the other end of the guide tube 12 is fixedly connected with a condenser 13, and the other end of the condenser 13 is fixedly connected with a receiver 14.

The implementation mode is specifically as follows: by arranging the eddy current coil 2 and the large-area stirring blade 5 and utilizing the eddy current coil 2 to carry out electromagnetic heating on the stirring blade 5, the heating speed is high, the energy conversion rate is high, the heated stirring blade 5 is in contact with materials in the stirring process, the heat can be uniformly transferred to the materials, the phenomenon that the side wall of a kettle body is burnt due to the traditional heating coil is thoroughly avoided, and the heating is uniform and efficient; additionally, the utility model discloses a wear to be equipped with heat exchange tube 15 on the pipe 12 of condenser 13 upside, inert gas gets into the heat preservation chamber in the cauldron outside after being heated by the material in the pipe when heat exchange tube 15, and then forms one deck air protection film outside reation kettle to very big improvement reation kettle's thermal insulation performance, reduced thermal lapse, improved reation kettle's thermal insulation performance, realized thermal recycle in the waste gas, avoided thermal waste.

Wherein, the top surface of the kettle body 1 is provided with a transparent observation hole, the kettle body 1 is a stainless steel component, a closed cavity is formed between the double-layer side walls of the kettle body 1, the bottom of the kettle body 1 is provided with a heat preservation interlayer, and the double-layer structure is favorable for heat insulation.

Wherein, coil 2 is the eddy current coil, and 3 fixed joint of becket are in the inner wall of the cauldron body 1, and coil 2 twines in the outside of becket 3, is equipped with the clearance between coil 2, the becket 3, and eddy current heating efficiency is faster, and energy conversion is high.

Wherein, (mixing) shaft 4, stirring paddle 5 are the metal material component, and stirring paddle 5's surface is plain structure, and hardening treatment is done to (mixing) shaft 4, stirring paddle 5's surface, improves (mixing) shaft 4, stirring paddle 5's structural strength and prevents that the material from gluing.

Wherein, power device 8 comprises motor and speed reducer, and power device 8's output penetrate in the cauldron body 1 with the top fixed connection of (mixing) shaft 4, power device 8's output electric connection has speed regulation controller for the rotational speed of (mixing) shaft 4, stirring paddle leaf 5 is controllable, prevents that power device 8 from starting at a high speed suddenly and causing reation kettle to topple.

Wherein, the both ends of heat exchange tube 15 respectively with fractionating column 9's output, the tip fixed connection of pipe 12, the surface of heat exchange tube 15 is equipped with heat conduction fin, heat exchange tube 15 is located heat transfer device 10's inside, inert gas gets into the heat preservation chamber outside the cauldron after being heated by the material in the pipe when heat exchange tube 15 to very big improvement reation kettle's thermal insulation performance.

Wherein, condenser 13, receiver 14's communicating pipe fixed sampling tube, receiver 14's bottom fixed mounting has the drain pipe, conveniently carries out the sample detection and observes.

The utility model discloses the theory of operation:

firstly, materials are put into a kettle body 1, the end part of an inert gas filling port 11 is connected with an inert gas supplier, a power supply is started, a power device 8 provides power for stirring the materials by rotating a stirring shaft 4 and a stirring paddle blade 5, a coil 2 in an interlayer in the kettle body 1 is used for carrying out vortex heating on a metal ring 3, the stirring shaft 4 and the stirring paddle blade 5, simultaneously, the stirring shaft 4 and the stirring paddle blade 5 rotate to uniformly transfer heat to the materials and uniformly mix the materials, so that the temperature of the whole reactant is uniform, the local overheating is prevented, various reactants are well contacted with each other, moisture is quickly discharged, the reaction is accelerated, the working efficiency is improved, the inert gas enters a heat preservation cavity outside the kettle after being heated by the materials in a guide pipe when passing through a heat exchange device 10 and a heat exchange pipe 15, and then a layer of air protective film is formed outside the reaction kettle, thereby greatly improving the heat, the heat consumption is reduced, the heat insulation performance of the reaction kettle is improved, and the heat in the waste gas is recycled. .

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an unsaturated polyester resin reation kettle for equipment, includes the cauldron body (1), the cauldron body (1) is bilayer structure, its characterized in that: the device comprises a kettle body (1), a coil (2) is fixedly arranged inside the side wall of the kettle body (1), a metal ring (3) is fixedly arranged on the inner wall surface of the kettle body (1), a plurality of sampling tubes (6) are fixedly arranged on the surface of the kettle body (1), a discharging tube (7) is fixedly arranged at the bottom end of the kettle body (1), a power device (8) is fixedly arranged on the top surface of the kettle body (1), a stirring shaft (4) is fixedly connected to the output end of the power device (8), stirring blades (5) are fixedly arranged on the surface of the stirring shaft (4), a fractionating column (9) is fixedly connected to the top end of the kettle body (1), a heat exchange tube (15) is fixedly connected to the output end of the fractionating column (9), a heat exchange device (10) is fixedly connected to the outer side of the heat exchange tube (15), and an inert gas filling port (, the other side of heat transfer device (10) is linked together through the inner wall cavity of pipe and the cauldron body (1), the other end fixedly connected with pipe (12) of heat exchange tube (15), the other end fixedly connected with condenser (13) of pipe (12), the other end fixedly connected with receiver (14) of condenser (13).

2. The reaction kettle for unsaturated polyester resin equipment according to claim 1, wherein: the top surface of the kettle body (1) is provided with a transparent observation hole, the kettle body (1) is a stainless steel component, a closed cavity is formed between the double-layer side walls of the kettle body (1), and the bottom of the kettle body (1) is provided with a heat-insulating interlayer.

3. The reaction kettle for unsaturated polyester resin equipment according to claim 1, wherein: coil (2) are eddy current coil, becket (3) fixed joint is in the inner wall of the cauldron body (1), coil (2) twine in the outside of becket (3), be equipped with the clearance between coil (2), becket (3).

4. The reaction kettle for unsaturated polyester resin equipment according to claim 1, wherein: the stirring shaft (4) and the stirring blade (5) are metal components, the surface of the stirring blade (5) is of a smooth surface structure, and the surfaces of the stirring shaft (4) and the stirring blade (5) are hardened.

5. The reaction kettle for unsaturated polyester resin equipment according to claim 1, wherein: the power device (8) is composed of a motor and a speed reducer, the output end of the power device (8) penetrates into the kettle body (1) and is fixedly connected with the top end of the stirring shaft (4), and the output end of the power device (8) is electrically connected with a rotating speed adjusting controller.

6. The reaction kettle for unsaturated polyester resin equipment according to claim 1, wherein: the two ends of the heat exchange tube (15) are respectively fixedly connected with the output end of the fractionating column (9) and the end part of the guide tube (12), heat conducting fins are arranged on the surface of the heat exchange tube (15), and the heat exchange tube (15) is located inside the heat exchange device (10).

7. The reaction kettle for unsaturated polyester resin equipment according to claim 1, wherein: the sampling tube is fixed to the communicating tube of condenser (13), receiver (14), the bottom fixed mounting of receiver (14) has the drain pipe.