Heating and cooling device of brominated flame retardant reaction kettle

Abstract

The utility model belongs to the technical field of chemical production, and particularly relates to a heating and cooling device of a brominated flame retardant reaction kettle, which comprises a kettle body, a support fixedly mounted on the outer side of the kettle body, a cooling sleeve fixedly mounted on the kettle body through the support, and a temperature control sleeve fixedly mounted at one end of the cooling sleeve and integrally formed with the cooling sleeve. Connecting rods are fixedly mounted at the end, away from the cooling sleeve, of the temperature control sleeve, a first motor is fixedly mounted between the connecting rods, an output shaft of the first motor is in transmission connection with a limiting plate, the limiting plate is located below the kettle body, heating columns perpendicular to the limiting plate are fixedly mounted at the two ends of the limiting plate, and the heating columns are located between the temperature control sleeve and the kettle body. According to the heating and cooling device of the brominated flame retardant reaction kettle, the brominated flame retardant in the kettle body and the heating medium in the temperature control sleeve are simultaneously heated through the electric heating column, so that the time required for heating the brominated flame retardant in the kettle body is shortened.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of chemical production, especially to a heating and cooling device of brominated flame retardant reaction kettle. BACKGROUND

[0002] The present brominated flame retardant is a kind of chemical substance added in plastic, textile, electronic product and other materials to improve its flame retardancy. They play a role by interfering with the chemical reaction during combustion, thereby reducing flammability, in the production process, brominated flame retardant needs to be sent into reaction kettle for further processing.

[0003] The existing heating and cooling mode is mostly through the jacket outside reaction kettle can be heated or cooled by medium into the jacket, this in actual operation there will be the following problems:

[0004] 1) the jacket heating mode is mainly through the jacket into heating medium (such as steam, hot water or hot oil) to heat the material in the reaction kettle, but due to the low flow rate of medium in the jacket, the heat transfer efficiency in the jacket is low, and the reaction kettle heating time is long;

[0005] 2) the jacket cooling mode is the same as heating mode, and the same is into cooling medium (such as cooling water, frozen brine or refrigerant) in the jacket to cool the material in the reaction kettle, but in cooling, heating medium needs to be discharged before continuing to inject cooling medium, and the time required for different medium conversion operation is long. INVENTION CONTENTS

[0006] In order to overcome the defects of the prior art pointed out above, the present application has been developed after deep research and a lot of creative labor.

[0007] Specifically, the technical problem to be solved by the present application is to provide a heating and cooling device of brominated flame retardant reaction kettle, to solve the technical problem that the jacket heating mode used by the present reaction kettle is mainly through the jacket into heating medium (such as steam, hot water or hot oil) to heat the material in the reaction kettle, but due to the low flow rate of medium in the jacket, the heat transfer efficiency in the jacket is low, and the reaction kettle heating time is long.

[0008] To solve the above technical problems, the present application provides the following technical solutions:

[0009] A heating and cooling device of brominated flame retardant reaction kettle, comprising a kettle body, a support is fixedly installed on the outer side of the kettle body, a cooling jacket is fixedly installed on the kettle body through the support, and a temperature control jacket is integrally formed with the cooling jacket at one end of the cooling jacket;

[0010] The temperature control sleeve is fixedly installed with connecting rods at one end away from the cooling jacket, and a first motor is fixedly installed between the connecting rods, the output shaft of the first motor is in transmission connection with a limiting plate, the limiting plate is located below the kettle body, heating columns vertically distributed with the limiting plate are fixedly installed at both ends of the limiting plate, and the heating columns are located between the temperature control sleeve and the kettle body.

[0011] As an improved technical solution, the limiting plate is also symmetrically distributed with reinforcing ribs at both ends, the ends of the reinforcing ribs close to the heating columns are all inclined upward, and the heating columns are all provided with heating cells for realizing power supply and heating of the heating columns.

[0012] As an improved technical solution, the temperature control sleeve is provided with a first temperature control cavity in communication with the cooling jacket, a first water inlet pipe and a drain pipe in communication with the first temperature control cavity are respectively installed on the outer side of the temperature control sleeve, and the first water inlet pipe is located below the drain pipe.

[0013] As an improved technical solution, the cooling jacket is also provided with a second temperature control cavity in communication with the temperature control sleeve, a water blocking shaft and a positioning shaft are respectively fixedly installed in the second temperature control cavity, the top ends of the water blocking shaft and the positioning shaft extend into the inner wall of the cooling jacket, the bottom end of the positioning shaft extends into the temperature control sleeve, and a water blocking ring adapted to the second temperature control cavity is movably connected in the cooling jacket.

[0014] As an improved technical solution, the inner side of the water blocking ring is provided with a water leakage hole and a positioning hole adapted to the water blocking shaft and the positioning shaft, and the water leakage hole is annularly arranged around the kettle body.

[0015] As an improved technical solution, an electric push rod is fixedly installed at the top of the cooling jacket, the water blocking ring is fixedly connected with the piston end of the electric push rod, a second water inlet pipe in communication with the second temperature control cavity is installed on the outer side of the cooling jacket, and the second water inlet pipe is located above the water blocking ring.

[0016] As an improved technical solution, a stirring shaft is movably connected in the kettle body, a second motor is fixedly installed at one end of the kettle body away from the first motor, and the output shaft of the second motor is in transmission connection with one end of the stirring shaft protruding from the kettle body.

[0017] After the above technical solution is adopted, the beneficial effects of the present application are as follows:

[0018] 1. The utility model discloses a first motor's output shaft drive limiting plate with the shaft center of cauldron body as the center rotation through the connecting rod and temperature control sleeve interconnection makes through the heating column of electric heating to the bromine -containing flame retardant in cauldron body and the heating medium in temperature control sleeve simultaneously heat to shorten the time required to heat the bromine -containing flame retardant in cauldron body.

[0019] 2. The utility model discloses a second temperature control cavity with first temperature control cavity intercommunication, and through the second water inlet pipe adds the heating medium in cooling jacket, makes the heating medium in cooling jacket enter the first temperature control cavity in temperature control sleeve through the second temperature control cavity, to shorten the time required to add the heating medium through the mode of increasing the injection port.

[0020] 3. The utility model discloses a second water inlet pipe injects cooling medium in the cooling jacket second temperature control cavity and separates the heating medium in temperature control sleeve, to realize the cooling medium injection in cooling jacket and the heating medium discharge in temperature control sleeve simultaneously, to complete the conversion of cooling medium after heating all discharges, to shorten the overall operation time. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical scheme of the utility model embodiment, the following will be needed to use the drawings in the embodiment description briefly introduced, obviously, the following description in the drawings is only some embodiments of the utility model, for those skilled in the art, under the premise of not paying the creative labor, can also obtain other drawings according to these drawings. Among them:

[0022] Figure 1 It is the three-dimensional structure schematic diagram of the heating and cooling device of the utility model bromine -containing flame retardant reaction kettle.

[0023] Figure 2 It is the cross section structure schematic diagram of the heating and cooling device of the utility model bromine -containing flame retardant reaction kettle.

[0024] Figure 3 It is the temperature control sleeve and heating column related structure cross section schematic diagram of the heating and cooling device of the utility model bromine -containing flame retardant reaction kettle.

[0025] Figure 4 It is the cooling jacket and temperature control sleeve related structure cross section schematic diagram of the heating and cooling device of the utility model bromine -containing flame retardant reaction kettle.

[0026] Figure 5 It is the cooling jacket cross section structure schematic diagram of the heating and cooling device of the utility model bromine -containing flame retardant reaction kettle.

[0027] Figure 6 It is the water baffle ring structure schematic diagram of the heating and cooling device of the utility model bromine -containing flame retardant reaction kettle.

[0028] Reference signs:

[0029] 1, kettle body; 2, support; 3, cooling jacket; 4, temperature control sleeve; 5, connecting rod; 6, first motor; 7, limiting plate; 8, heating column; 9, reinforcing rib; 10, heating battery; 11, first temperature control cavity; 12, first water inlet pipe; 13, drain pipe; 14, second temperature control cavity; 15, water blocking shaft; 16, positioning shaft; 17, water blocking ring; 18, water leakage hole; 19, positioning hole; 20, electric push rod; 21, second water inlet pipe; 22, stirring shaft; 23, second motor. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0031] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present application are only used to explain the relative positional relationship, movement condition, etc. between components in a certain posture (as shown in the drawings), and if the certain posture changes, the directional indications will also change accordingly.

[0032] Meanwhile, "and / or" or "and / or" appearing throughout the text means that three solutions are included, taking "A and / or B" as an example, including A solution, or B solution, or A and B solutions are satisfied at the same time.

[0033] In addition, the description of "first", "second" and the like in the present application is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include at least one of the features. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the scope of protection required by the present application.

[0034] For example, Figures 1 to 6As shown in the embodiment, the heating and cooling device of the brominated flame retardant reaction kettle comprises a kettle body 1, a support 2 is fixedly installed outside the kettle body 1, a cooling jacket 3 is fixedly installed on the kettle body 1 through the support 2, a temperature control sleeve 4 is fixedly installed at one end of the cooling jacket 3 and is integrally formed with the cooling jacket 3, connecting rods 5 are fixedly installed at the end of the temperature control sleeve 4 away from the cooling jacket 3, a first motor 6 is fixedly installed between the connecting rods 5, an output shaft of the first motor 6 is in transmission connection with a limiting plate 7, the limiting plate 7 is located below the kettle body 1, heating columns 8 are fixedly installed at both ends of the limiting plate 7 and are perpendicular to the limiting plate 7, the heating columns 8 are located between the temperature control sleeve 4 and the kettle body 1, brominated flame retardants can be added to the kettle body 1 for reaction and processing, the support 2 is located outside the kettle body 1, and gaps are formed between the kettle body 1 and the cooling jacket 3 and the temperature control sleeve 4, the cooling jacket 3 and the temperature control sleeve 4 are integrally formed and have good temperature adaptability, the cooling jacket 3 has a cover and no bottom, the temperature control sleeve 4 has no cover and no bottom, the connecting rods 5 fix the first motor 6 at the bottom of the kettle body 1, the first motor 6 can drive the limiting plate 7 to rotate around the shaft center of the kettle body 1, and the heating columns 8 heat the brominated flame retardants in the kettle body 1 and the heating medium in the temperature control sleeve 4 at the same time.

[0035] The ends of the limiting plate 7 are also symmetrically provided with reinforcing ribs 9, one end of the reinforcing rib 9 close to the heating column 8 is inclined upward, the heating column 8 is provided with a heating battery 10 for supplying power to the heating column 8 to heat, the reinforcing rib 9 can cooperate with the limiting plate 7 and the heating column 8 to form a triangular structure and does not contact the kettle body 1, the structure strength of the heating column 8 rotating between the kettle body 1 and the temperature control sleeve 4 is increased, the heating column 8 is powered through the heating battery 10, and buckles required for fixing the heating battery 10 are arranged on the limiting plate 7.

[0036] The temperature control sleeve 4 is provided with a first temperature control cavity 11 in communication with the cooling jacket 3, the outer side of the temperature control sleeve 4 is respectively provided with a first water inlet pipe 12 and a drain pipe 13 in communication with the first temperature control cavity 11, the first water inlet pipe 12 is located below the drain pipe 13, the cooling jacket 3 can convey medium into the temperature control sleeve 4 through the first temperature control cavity 11, the first water inlet pipe 12 and the drain pipe 13 can adopt a downward-in and upward-out mode to continuously inject the heating medium into the first temperature control cavity 11 of the temperature control sleeve 4.

[0037] The cooling jacket 3 is further provided with a second temperature control cavity 14 communicated with the temperature control jacket 4, the second temperature control cavity 14 is fixedly installed with a water blocking shaft 15 and a positioning shaft 16 respectively, the top ends of the water blocking shaft 15 and the positioning shaft 16 extend into the inner wall of the cooling jacket 3, the bottom end of the positioning shaft 16 extends into the temperature control jacket 4, the cooling jacket 3 is further movably connected with a water blocking ring 17 matched with the second temperature control cavity 14, when the second temperature control cavity 14 is communicated with the first temperature control cavity 11, the medium in the cooling jacket 3 can flow into the temperature control jacket 4, the water blocking ring 17 can isolate the first temperature control cavity 11 from the second temperature control cavity 14 in the cooling jacket 3, so as to separate the cooling medium in the cooling jacket 3 from the heating medium in the temperature control jacket 4.

[0038] The inner side of the water blocking ring 17 is provided with a water leakage hole 18 and a positioning hole 19 matched with the water blocking shaft 15 and the positioning shaft 16 respectively, and the water leakage hole 18 is arranged in an annular array around the kettle body 1, the water blocking ring 17 can move in the second temperature control cavity 14 along the direction of the positioning shaft 16 through the positioning hole 19, when the positioning shaft 16 is located in the water leakage hole 18, the cooling medium above the water blocking ring 17 is isolated from the heating medium in the first temperature control cavity 11.

[0039] The top of the cooling jacket 3 is fixedly installed with an electric push rod 20, the water blocking ring 17 is fixedly connected with the piston end of the electric push rod 20, the outer side of the cooling jacket 3 is installed with a second water inlet pipe 21 communicated with the second temperature control cavity 14, and the second water inlet pipe 21 is located above the water blocking ring 17, the electric push rod 20 can drive the water blocking ring 17 to move in the second temperature control cavity 14 through the piston end, and make the water leakage hole 18 separate from the positioning shaft 16, the second water inlet pipe 21 can continuously inject the cooling medium into the second temperature control cavity 14 separated by the water blocking ring 17.

[0040] The kettle body 1 is movably connected with a stirring shaft 22, the kettle body 1 is fixedly installed with a second motor 23 away from the first motor 6, and the output shaft of the second motor 23 is drivingly connected with the end of the stirring shaft 22 protruding from the kettle body 1, the stirring shaft 22 can rotate in the kettle body 1 through the driving of the second motor 23, so as to stir the brominated flame retardant in the kettle body 1 and promote the reaction.

[0041] In use, the reaction process is carried out by adding brominated flame retardant into the kettle body 1, and the heating medium is injected into the temperature control sleeve 4, and the output shaft of the first motor 6 connected to the temperature control sleeve 4 through the connecting rod 5 drives the limiting plate 7 to rotate around the shaft center of the kettle body 1, so that the heating column 8 heated by electricity simultaneously heats the brominated flame retardant in the kettle body 1 and the heating medium in the temperature control sleeve 4, thereby shortening the time required for heating the brominated flame retardant in the kettle body 1, and in the process, the structural strength of the heating column 8 is improved by the reinforcing ribs 9, and the heating battery 10 corresponding to the heating column 8 supplies power to the heating column 8, and at the same time as the heating medium is added to the temperature control sleeve 4, the heating medium is continuously injected into the first temperature control cavity 11 in the temperature control sleeve 4 through the first water inlet pipe 12 and the drain pipe 13 in a down-up manner, and the second temperature control cavity 14 is communicated with the first temperature control cavity 11 by controlling the water retaining ring 17 in the second temperature control cavity 14 through the electric push rod 20, and the heating medium is added to the cooling sleeve 3 through the second water inlet pipe 21, so that the heating medium in the cooling sleeve 3 enters the first temperature control cavity 11 in the temperature control sleeve 4 through the second temperature control cavity 14, thereby shortening the time required for adding the heating medium by increasing the injection port, and the positioning hole 19 in the water retaining ring 17 is limited in the second temperature control cavity 14 by the electric push rod 20 controlling the water retaining ring 17, so that the water leakage hole 18 in the water retaining ring 17 is docked with the water retaining shaft 15, so that the water leakage hole 18 is blocked by the water retaining shaft 15, so that the water retaining ring 17 isolates the first temperature control cavity 11 from the second temperature control cavity 14 in the cooling sleeve 3, so that the cooling medium injected into the second temperature control cavity 14 in the cooling sleeve 3 through the second water inlet pipe 21 is separated from the heating medium in the temperature control sleeve 4, so that the injection of the cooling medium in the cooling sleeve 3 and the discharge of the heating medium in the temperature control sleeve 4 are carried out at the same time, so that after the heating is completed, the cooling medium can be replaced, thereby shortening the overall operation time.

[0042] It should be understood that the use of these embodiments is only for the purpose of illustrating the present application and is not intended to limit the scope of protection of the present application. In addition, it should also be understood that after reading the technical content of the present application, those skilled in the art can make various modifications, modifications and / or variations to the present application, and all these equivalent forms also fall within the protection scope defined by the claims attached to the present application.

Claims

1. A heating and cooling device for a brominated flame retardant reactor, characterized by: Including cauldron body (1), the outer side of cauldron body (1) is fixedly installed with support (2), cauldron body (1) is fixedly installed with cooling jacket (3) through support (2), one end of cooling jacket (3) is fixedly installed with temperature control sleeve (4) integrated with cooling jacket (3); The end of temperature control sleeve (4) away from cooling jacket (3) is fixedly installed with connecting rod (5), and first motor (6) is fixedly installed between connecting rod (5), the output shaft of first motor (6) is transmission connection with limit plate (7), and limit plate (7) is located below cauldron body (1), and both ends of limit plate (7) are fixedly installed with heating column (8) perpendicular to limit plate (7), and heating column (8) is located between temperature control sleeve (4) and cauldron body (1).

2. The heating and cooling apparatus for a brominated flame retardant reactor as claimed in claim 1, wherein: Both ends of limit plate (7) are also symmetrically distributed with reinforcing ribs (9), one end of reinforcing rib (9) close to heating column (8) is inclined upward, and heating battery (10) is arranged in the middle of heating column (8) to realize power supply heating of heating column (8).

3. The heating and cooling apparatus for a brominated flame retardant reactor as claimed in claim 2, wherein: First temperature control cavity (11) is arranged in temperature control sleeve (4) and is communicated with cooling jacket (3), first water inlet pipe (12) and drain pipe (13) are respectively arranged on the outer side of temperature control sleeve (4) and are communicated with first temperature control cavity (11), and first water inlet pipe (12) is located below drain pipe (13).

4. The heating and cooling apparatus for a brominated flame retardant reactor as claimed in claim 3, wherein: Second temperature control cavity (14) is also arranged in cooling jacket (3) and is communicated with temperature control sleeve (4), water blocking shaft (15) and positioning shaft (16) are respectively fixedly installed in second temperature control cavity (14), the top end of water blocking shaft (15) and positioning shaft (16) extends into the inner wall of cooling jacket (3), the bottom end of positioning shaft (16) extends into temperature control sleeve (4), and water blocking ring (17) is movably connected in cooling jacket (3) and is matched with second temperature control cavity (14).

5. The heating and cooling apparatus for a brominated flame retardant reactor as claimed in claim 4, wherein: Water leakage hole (18) and positioning hole (19) are respectively arranged in the inner side of water blocking ring (17) and are matched with water blocking shaft (15) and positioning shaft (16), and water leakage hole (18) is annularly arranged around cauldron body (1).

6. The heating and cooling apparatus for a brominated flame retardant reactor as claimed in claim 5, wherein: Electric push rod (20) is fixedly installed on the top of cooling jacket (3), the piston end of electric push rod (20) is fixedly connected with water blocking ring (17), second water inlet pipe (21) is arranged on the outer side of cooling jacket (3) and is communicated with second temperature control cavity (14), and second water inlet pipe (21) is located above water blocking ring (17).

7. The heating and cooling apparatus for a brominated flame retardant reactor as claimed in claim 1, wherein: Stirring shaft (22) is movably connected in cauldron body (1), second motor (23) is fixedly installed at the end of cauldron body (1) away from first motor (6), and the output shaft of second motor (23) is transmission connection with the end of stirring shaft (22) protruding from cauldron body (1).

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