CN216879299U

CN216879299U - Esterification reaction kettle

Info

Publication number: CN216879299U
Application number: CN202122531266.7U
Authority: CN
Inventors: 柴小高; 周昌; 周凯华; 占亚平
Original assignee: Zhejiang Guoguang Biochemistry Co ltd
Current assignee: Zhejiang Guoguang Biochemistry Co ltd
Priority date: 2021-10-19
Filing date: 2021-10-19
Publication date: 2022-07-05
Anticipated expiration: 2031-10-19

Abstract

The utility model belongs to the technical field of chemical equipment, and particularly relates to an esterification reaction kettle, which comprises: a support frame; the kettle body is arranged on the support frame and is provided with a feeding hole, a discharging hole and an air pressure balancing hole; the stirring device is arranged in the kettle body and is used for stirring materials in the kettle body; the electric heating device is used for heating the materials in the kettle body; the cooling device is used for cooling the materials in the kettle body; wherein, still including the heat preservation casing, encircle and laminate the setting of cauldron body, the heat preservation casing supports the cauldron body, and the support frame supports the heat preservation casing. The electric heater is inconvenient to open and close manually, and the heat insulation shell is arranged for improving the heat insulation effect on the kettle body and avoiding heat loss, so that the opening and closing period of the electric heater is shortened.

Description

Esterification reaction kettle

Technical Field

The utility model belongs to the technical field of chemical equipment, and particularly relates to an esterification reaction kettle.

Background

Esterification is a type of organic chemical reaction, which is a reaction of alcohol and carboxylic acid or oxygen-containing inorganic acid to generate ester and water, and is generally carried out in a reaction kettle. When the reaction kettle is used, particularly for a reaction kettle device for esterification processing, workers need to heat or cool the reaction kettle regularly during working of the reaction kettle, so that the process requirement during esterification processing is met, at present, the traditional mode for controlling the heating or cooling of the reaction kettle is realized through a manual operation mode of the workers, for example, the Chinese patent application with the publication number of CN104437308A, the mode wastes time and labor, the working intensity of the workers is increased, and when the workers forget to heat or cool the reaction kettle due to busy work, the effect of the esterification reaction in the reaction kettle is influenced invisibly.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problems, and provides the reaction kettle capable of intelligently adjusting the temperature, which has a good heat preservation effect and effectively reduces the loss of heat.

In view of this, the present invention provides an esterification reaction kettle, which is characterized by comprising:

a support frame;

the kettle body is arranged on the support frame and is provided with a feeding hole, a discharging hole and an air pressure balancing hole;

the stirring device is arranged in the kettle body and is used for stirring materials in the kettle body;

the electric heating device is used for heating the materials in the kettle body;

the cooling device is used for cooling the materials in the kettle body;

wherein, still including the heat preservation casing, encircle and laminate the setting of cauldron body, the heat preservation casing supports the cauldron body, and the support frame supports the heat preservation casing.

In the technical scheme, the electric heater is required to be heated in the esterification reaction process, after the heating reaches the set temperature, the electric heater is closed, and after the temperature is gradually reduced, the electric heater is required to be opened again, so that the electric heater is required to be manually and continuously opened and closed, and the electric heater is very inconvenient.

In the above technical scheme, further, the electric heater is arranged in the heat-insulating shell and used for heating the kettle body; the temperature measuring element is used for detecting the temperature in the kettle body; and a controller for turning on or off the electric heater by the temperature detected by the temperature measuring element.

In this technical scheme, detect the internal temperature of cauldron through setting up temperature element, after the temperature that detects surpassed the highest preset threshold value, control electric heater through the controller, make it close, after the temperature reduces to the minimum preset threshold value gradually, through the controller, open electric heater again, it is very convenient.

In any of the above technical solutions, further, the temperature measuring element is a thermocouple obliquely arranged in the tank body.

In the technical scheme, the thermocouple is a commonly used temperature measuring element in a temperature measuring instrument, converts a temperature signal into a thermal electromotive force signal, and converts the thermal electromotive force signal into the temperature of a measured medium by an electric instrument, so that an external power supply is not needed during measurement, and the use is very convenient; to reduce the residue (reactant) on the measuring end of the thermocouple, the thermocouple may be inclined to extend its useful life, and the inclination angle of the thermocouple may be set to 45 ° to 75 °.

In any of the above technical solutions, further, the cooling device includes a circulation cooling pipe, which is disposed in the kettle body, and the cooling water is introduced into the circulation cooling pipe through a water pump to cool down, the water pump is connected with the controller, and the water pump is turned on or turned off according to the temperature detected by the temperature measuring element.

In this technical scheme, when needs cooling, the controller is opened the water pump, is carried to the recirculated cooling water pipe by the water pump with the water in the basin, through the heat transfer, outwards derives the internal heat of cauldron to reach the purpose of cooling to the internal reactant of cauldron, for improving the cooling effect, can adopt freezing salt solution to replace to this cooling water.

In any of the above technical solutions, further, the circulation cooling pipe is a spiral pipe body, and the spiral direction of the circulation cooling pipe is a vertical direction.

In this technical scheme, for can improving heat exchange efficiency, make the cooling water act on the internal reactant of cauldron on a large scale, set the cooling tube of circulation to the heliciform to this, and then improve the cooling effect of reactant.

In any of the above technical solutions, further, a heat insulating layer made of asbestos material is disposed on the inner wall of the heat insulating casing, and the heat insulating layer is tightly attached to the outer wall of the kettle body.

In the technical scheme, the asbestos plate is a plate made of materials such as asbestos, glass fiber and argil, has a good heat insulation effect and also has strong pressure resistance and pressure bearing capacity, and the heat insulation layer made of the asbestos material is arranged in the heat insulation shell, so that the heat insulation effect on the kettle body is improved through the heat insulation layer made of the asbestos material.

In any of the above technical solutions, further, the feed inlet and the air pressure balance port are both disposed at the upper side of the kettle body, the discharge outlet is disposed at the bottom of the kettle body, seal valves are disposed at the feed inlet and the discharge outlet, and the air pressure balance port is externally connected with an exhaust pipe and a pressure detection meter connected with the exhaust pipe.

In this technical scheme, the feed inlet of material accessible upper end drops into the cauldron internal, after the reaction, the discharge gate discharge of bottom can be followed to the reactant, it is very convenient, because can produce water in the esterification reaction in-process, the vapor of aquatic products production can make the internal atmospheric pressure increase of cauldron, for guaranteeing the internal balance of cauldron, be provided with the atmospheric pressure balanced mouth to this, detect the internal atmospheric pressure of cauldron through the pressure detection table, after atmospheric pressure surpassed the atmospheric pressure value of settlement, the pressure valve is automatic to be opened on the blast pipe, thereby outwards discharge the internal aqueous vapor of cauldron, reach the balanced purpose of atmospheric pressure.

In any of the above technical solutions, further, the stirring device includes a reduction motor disposed at the top of the kettle body, and an output shaft thereof is disposed vertically downward; the upper end of the stirring shaft is connected with an output shaft of the speed reducing motor, and the lower end of the stirring shaft penetrates through the top of the kettle body and then extends downwards to be close to the bottom of the kettle body; and the stirring blade is arranged on the stirring shaft.

In this technical scheme, under gear motor's effect, drive (mixing) shaft and stirring vane and rotate, evenly stir the internal material of cauldron through stirring vane, can adopt servo gear motor to the stirring speed of convenient control stirring vane.

The utility model has the beneficial effects that:

1. be provided with the heat preservation casing, improve the heat preservation effect to the cauldron body through the heat preservation casing, avoid the heat to run off to reduce the cycle that electric heater opened, closed.

2. To reduce the residue (reactant) on the measuring end of the thermocouple, the thermocouple may be inclined at an angle of 45 ° to 75 ° for the purpose of extending the useful life thereof.

3. In order to improve the heat exchange efficiency, the cooling water acts on the reactant in the kettle body in a large range, and the circulating cooling pipe is arranged into a spiral shape, so that the cooling effect of the reactant is improved.

4. An asbestos material heat insulation layer is arranged in the heat insulation shell, and the heat insulation effect on the kettle body is improved through the asbestos material heat insulation layer.

Drawings

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

the reference numbers in the figures are: 100. a support frame; 200. a kettle body; 210. a feed inlet; 220. a discharge port; 230. An air pressure balancing port; 231. an exhaust pipe; 232. a pressure detection meter; 300. a stirring device; 310. a reduction motor; 320. a stirring shaft; 330. a stirring blade; 400. an electric heating device; 410. an electric heater; 420. a temperature measuring element; 500. a cooling device; 510. a circulating cooling pipe; 600. a heat-insulating shell; 610. and (7) an insulating layer.

Detailed Description

The technical solutions in the embodiments of the present application will be described clearly below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived from the embodiments in the present application by a person skilled in the art, are within the scope of protection of the present application.

In the description of the present application, it is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. For convenience of description, the dimensions of the various features shown in the drawings are not necessarily drawn to scale. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as exemplary only and not as limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

It should be noted that the terms "first," "second," and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It will be appreciated that the data so used may be interchanged under appropriate circumstances such that embodiments of the application may be practiced in sequences other than those illustrated or described herein, and that the terms "first," "second," and the like are generally used herein in a generic sense and do not limit the number of terms, e.g., the first term can be one or more than one. In addition, "and/or" in the specification and claims means at least one of connected objects, a character "/" generally means that a preceding and succeeding related objects are in an "or" relationship.

It should be noted that in the description of the present application, the directions or positional relationships indicated by the terms such as "front, back, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are usually based on the directions or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, and in the case of not making a contrary explanation, these directions do not indicate and imply that the device or element referred to must have a specific direction or be constructed and operated in a specific direction, and therefore, should not be interpreted as limiting the scope of the present application; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

It should be noted that, in the present application, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element. Further, it should be noted that the scope of the methods and apparatus of the embodiments of the present application is not limited to performing the functions in the order illustrated or discussed, but may include performing the functions in a substantially simultaneous manner or in a reverse order based on the functions involved, e.g., the methods described may be performed in an order different than that described, and various steps may be added, omitted, or combined. In addition, features described with reference to certain examples may be combined in other examples.

Example 1:

as shown in fig. 1, the present embodiment provides an esterification reaction kettle, comprising: a support frame 100; the kettle body 200 is arranged on the support frame 100 and is provided with a feed inlet 210, a discharge outlet 220 and an air pressure balancing port 230; the stirring device 300 is arranged in the kettle body 200 and is used for stirring the materials in the kettle body 200; the electric heating device 400 is used for heating the materials in the kettle body 200; the cooling device 500 is used for cooling the materials in the kettle body 200;

wherein, still including heat preservation casing 600, encircle and laminate the setting of cauldron body 200, heat preservation casing 600 supports the cauldron body 200, and support frame 100 supports heat preservation casing 600.

In the technical scheme, the esterification reaction process needs to be heated, the electric heater 410 is turned off after the heating reaches the set temperature, and the electric heater 410 needs to be turned on again after the temperature is gradually reduced, so that the electric heater 410 needs to be turned on and off manually, which is very inconvenient, the heat-insulating shell 600 is arranged, the heat-insulating effect on the kettle body 200 is improved through the heat-insulating shell 600, the heat loss is avoided, and the period of turning on and off the electric heater 410 is shortened.

As shown in fig. 1, in the present embodiment, the feeding port 210 and the air pressure balancing port 230 are both disposed at the upper side of the autoclave body 200, the discharging port 220 is disposed at the bottom of the autoclave body 200, the feeding port 210 and the discharging port 220 are both provided with sealing valves, and the air pressure balancing port 230 is externally connected with an exhaust pipe 231 and a pressure detection meter 232 connected with the exhaust pipe 231.

In this technical scheme, feed inlet 210 of material accessible upper end drops into the cauldron body 200 in, after the reaction, the discharge gate 220 of bottom can be followed to the reactant is discharged, and is very convenient, because can produce water in the esterification reaction in-process, the steam that the water produced can make the atmospheric pressure increase in the cauldron body 200, for the balance in the guarantee cauldron body 200, be provided with atmospheric pressure balanced mouth 230 to this, detect the atmospheric pressure in the cauldron body 200 through pressure detection table 232, after atmospheric pressure surpassed the atmospheric pressure value of settlement, the pressure valve is automatic to be opened on the blast pipe 231, thereby outwards discharge the aqueous vapor in the cauldron body 200, reach the balanced purpose of atmospheric pressure.

As shown in fig. 1, in the present embodiment, the stirring device 300 includes a speed reduction motor 310, which is disposed at the top of the kettle body 200, and an output shaft thereof is disposed vertically downward; the upper end of the stirring shaft 320 is connected with the output shaft of the speed reducing motor 310, and the lower end of the stirring shaft passes through the top of the kettle body 200 and then extends downwards to be close to the bottom of the kettle body 200; and a stirring blade 330 provided on the stirring shaft 320.

In this technical scheme, under gear motor 310's effect, drive (mixing) shaft 320 and stirring vane 330 and rotate, evenly stir the material in the cauldron body 200 through stirring vane 330, can adopt servo gear motor 310 to the stirring speed of convenient control stirring vane 330.

As shown in fig. 1, in the present embodiment, preferably, the electric heater 410 is disposed in the heat-insulating casing 600, and is used for heating the kettle body 200; a temperature measuring element 420 for detecting the temperature in the kettle body 200; and a controller for turning on or off the electric heater 410 by the temperature detected by the temperature measuring element 420.

In the technical scheme, the temperature in the kettle body 200 is detected by arranging the temperature measuring element 420, the electric heater 410 is controlled by the controller to be turned off after the detected temperature exceeds the highest preset threshold value, and the electric heater 410 is turned on by the controller after the temperature is gradually reduced to the lowest preset threshold value, so that the kettle is very convenient.

In the present embodiment, as shown in fig. 1, the temperature measuring element 420 is preferably a thermocouple disposed in an inclined manner in the autoclave body 200.

As shown in fig. 1, in the present embodiment, preferably, the cooling device 500 includes a circulating cooling pipe 510 disposed in the kettle body 200, and the circulating cooling pipe 510 is filled with cooling water through a water pump to cool, the water pump is connected to the controller, and the water pump is turned on or off according to the temperature detected by the temperature measuring element 420.

In this technical scheme, when needs cooling, the controller is opened the water pump, is carried to the recirculated cooling water pipe by the water pump with the water in the basin, through the heat transfer, outwards derives the heat in the cauldron body 200 to reach the purpose of cooling to the reactant in the cauldron body 200, for improving the cooling effect, can adopt freezing salt solution to replace to this cooling water.

As shown in fig. 1, in the present embodiment, the circulation cooling pipe 510 is preferably a spiral pipe body, and the spiral direction of the spiral pipe body is a vertical direction.

In this embodiment, in order to improve the heat exchange efficiency, the cooling water is applied to the reactant in the kettle 200 in a large range, and the cooling effect of the reactant is further improved by arranging the cooling circulation pipe 510 in a spiral shape.

As shown in fig. 1, in the present embodiment, preferably, an insulating layer 610 made of asbestos material is disposed on an inner wall of the insulating casing 600, and the insulating layer 610 is closely attached to an outer wall of the kettle 200.

In the present technical solution, the asbestos plate is a plate made of asbestos, glass fiber, and pottery clay, which not only has good heat insulation effect, but also has strong pressure resistance and pressure bearing capability, and accordingly, the heat insulation layer 610 made of asbestos material is disposed in the heat insulation casing 600, and the heat insulation effect on the kettle body 200 is improved by the heat insulation layer 610 made of asbestos material.

While the embodiments of the present application have been described in connection with the drawings, the embodiments and features of the embodiments of the present application can be combined with each other without conflict and the present application is not limited to the above-mentioned embodiments, which are only illustrative and not restrictive, and many modifications may be made by one skilled in the art without departing from the spirit and scope of the present application as claimed.

Claims

1. An esterification reaction kettle, comprising:

a support frame (100);

the kettle body (200) is arranged on the support frame (100), and is provided with a feeding hole (210), a discharging hole (220) and an air pressure balancing hole (230);

the stirring device (300) is arranged in the kettle body (200) and is used for stirring the materials in the kettle body (200);

the electric heating device (400) is used for heating the materials in the kettle body (200);

the cooling device (500) is used for cooling the materials in the kettle body (200);

wherein, still include heat preservation casing (600), encircle and laminate the cauldron body (200) set up, heat preservation casing (600) are right the cauldron body (200) support, support frame (100) are right heat preservation casing (600) support.

2. An esterification reaction tank according to claim 1, wherein: the electric heating device (400) comprises: the electric heater (410) is arranged in the heat-preservation shell (600) and is used for heating the kettle body (200); the temperature measuring element (420) is used for detecting the temperature in the kettle body (200); and a controller for turning on or off the electric heater (410) by the temperature detected by the temperature measuring element (420).

3. An esterification reaction tank according to claim 2, wherein: the temperature measuring element (420) is a thermocouple which is obliquely arranged in the kettle body (200).

4. An esterification reaction vessel in accordance with claim 2, wherein: the cooling device (500) comprises a circulating cooling pipe (510) which is arranged in the kettle body (200), cooling water is introduced into the circulating cooling pipe (510) through a water pump to cool, the water pump is connected with a controller, and the water pump is turned on or turned off through the temperature detected by the temperature measuring element (420).

5. An esterification reaction tank according to claim 4, wherein: the circulating cooling pipe (510) is a spiral pipe body, and the spiral direction of the circulating cooling pipe is vertical.

6. An esterification reaction tank according to claim 1, wherein: and a heat insulation layer (610) made of asbestos materials is arranged on the inner wall of the heat insulation shell (600), and the heat insulation layer (610) is tightly attached to the outer wall of the kettle body (200).

7. An esterification reaction tank according to claim 1, wherein: feed inlet (210) and atmospheric pressure balanced mouth (230) all set up in the upside of the cauldron body (200), discharge gate (220) set up in the bottom of the cauldron body (200), all be provided with the seal valve on feed inlet (210) and discharge gate (220), atmospheric pressure balanced mouth (230) go up the external blast pipe (231) and with the continuous pressure measurement table (232) of blast pipe (231).

8. An esterification reaction tank according to claim 1, wherein: the stirring device (300) comprises a speed reducing motor (310) which is arranged at the top of the kettle body (200), and an output shaft of the speed reducing motor is arranged vertically downwards; the upper end of the stirring shaft (320) is connected with the output shaft of the speed reducing motor (310), and the lower end of the stirring shaft penetrates through the top of the kettle body (200) and then extends downwards to be close to the bottom of the kettle body (200); and a stirring blade (330) disposed on the stirring shaft (320).