Stair section type heating device of impurity removal reaction kettle

Abstract

The utility model discloses a stair section type heating device of an impurity removal reaction kettle, which relates to the technical field of material heating and comprises a kettle body, a feeding pipe arranged at the top of the kettle body and connected with an external feeding device, a discharging pipe arranged at the bottom of the kettle body, and a first heating assembly arranged between the feeding pipe and the external feeding device. The first heating assembly is arranged on the kettle body and can heat materials for the first time, and the second heating assembly is arranged on the kettle body and can heat the materials for the second time; according to the stair section type heating device for the impurity removal reaction kettle, through a stair section type heating mode, rapid and uniform heating of materials can be achieved, the steam heat utilization efficiency is improved, faults, caused by rapid temperature difference changes, of equipment are reduced, and therefore the production efficiency and the production stability are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to material heating technical field, concretely is a kind of impurity removal reaction kettle ladder section type heating temperature rising device. BACKGROUND

[0002] In order to make the material of reaction kettle better reaction, generally need to heat material to suitable reaction temperature.

[0003] The heating mode of traditional material is generally to add material directly into reaction kettle, heats by the heating steam filled in reaction kettle coil pipe, so that material is heated to suitable reaction temperature.

[0004] However, in the heating process, the steam stays in the reaction kettle coil pipe for a short time, a large amount of steam energy is wasted, leading to low steam utilization efficiency and high energy consumption, and the heating efficiency is low, resulting in long heating and temperature rising time, affecting production efficiency, and because the temperature difference between the original temperature of the material and the temperature to be heated is large, especially when restarting after shutdown, in order to speed up the temperature rising speed, a large amount of steam is usually used for rapid heating, which often causes cracks and water leakage in the reaction kettle coil pipe weld, kettle wall and other places, causing equipment failure and reducing production stability. SUMMARY

[0005] The utility model aims at providing a kind of impurity removal reaction kettle ladder section type heating temperature rising device, the impurity removal reaction kettle ladder section type heating temperature rising device of this kind is by ladder section type heating mode, can realize the rapid uniform heating of material, improve steam heat utilization efficiency, and reduce the failure caused by sharp temperature difference change of equipment, to improve production efficiency, production stability.

[0006] The above optimization structure of the utility model is realized by the following technical scheme: a kind of impurity removal reaction kettle ladder section type heating temperature rising device, including kettle body;

[0007] Feed pipe, the feed pipe is located at the top of the kettle body, and is connected with external feeding device;

[0008] Discharge pipe, the discharge pipe is arranged at the bottom of the kettle body;

[0009] First heating assembly, the first heating assembly is arranged between the feed pipe and the external feeding device, and the first heating assembly can realize the first heating of material;

[0010] Second heating assembly, the second heating assembly is arranged on the kettle body, and the second heating assembly can realize the second heating of material.

[0011] In some embodiments, it further includes temperature monitor, the temperature monitor is arranged in the kettle body, and the temperature of material in the kettle body can be monitored in real time.

[0012] In some embodiments, the first heating assembly comprises a heat exchange shell;

[0013] A first sealing plate is arranged on one side of the heat exchange shell;

[0014] A second sealing plate is arranged on the other side of the heat exchange shell;

[0015] A partition plate is arranged on the side of the heat exchange shell away from the first sealing plate and is arranged vertically on the first sealing plate;

[0016] A plurality of tube bundles are arranged on both sides of the first sealing plate and the second sealing plate, and a heating medium is arranged in the tube bundles;

[0017] A first heating medium inlet is arranged on the top of the partition plate;

[0018] A first heating medium outlet is arranged on the bottom of the partition plate;

[0019] A material inlet is arranged on the heat exchange shell and between the first sealing plate and the second sealing plate;

[0020] A material outlet is arranged on the heat exchange shell and between the first sealing plate and the second sealing plate, and is connected with the feeding pipe.

[0021] In some embodiments, the first heating assembly further comprises baffles, a plurality of baffles are arranged in the heat exchange shell at equal intervals and between the first sealing plate and the second sealing plate, and the tube bundles are arranged through the baffles.

[0022] In some embodiments, the baffles are circular plates with notches, and the notches account for one fifth to one third of the area of the circular plates.

[0023] In some embodiments, the second heating assembly comprises a heating coil pipe, the heating coil pipe is arranged around the kettle body, and a heating medium flows through the heating coil pipe;

[0024] A second heating medium inlet is arranged on the top of the heating coil pipe;

[0025] A second heating medium outlet is arranged on the bottom of the heating coil pipe.

[0026] In some embodiments, a stirring assembly is further arranged on the kettle body.

[0027] In some embodiments, a manhole is further included on the kettle body.

[0028] In summary, the utility model has the following beneficial effects:

[0029] The gradient heating device of the impurity removal reaction kettle realizes the first heating of the material through the first heating assembly, realizes the second heating of the material through the second heating assembly, thereby realizing the gradient heating of the material, realizing the rapid and uniform heating of the material, shortening the heating time, improving the steam heat utilization efficiency, and improving the production efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0030] Fig. 1 The utility model is a structural schematic diagram;

[0031] Fig. 2 The utility model is a connecting structure schematic diagram of the kettle body and the second heating assembly;

[0032] Fig. 3 The utility model is a structural schematic diagram of the first heating assembly.

[0033] In the figure: 1, kettle body; 2, feed pipe; 3, discharge pipe; 4, first heating assembly; 41, heat exchange housing; 42, first sealing plate; 43, second sealing plate; 44, partition plate; 45, tube bundle; 46, first heating medium inlet; 47, first heating medium outlet; 48, material inlet; 49, material outlet; 5, second heating assembly; 51, heating coil; 52, second heating medium inlet; 53, second heating medium outlet; 6, temperature monitor; 7, stirring assembly; 8, manhole. DETAILED DESCRIPTION

[0034] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0035] REFERENCE Figs. 1-3The utility model provides a kind of impurity removal reaction kettle ladder section heating temperature rising device, including kettle body 1, feed pipe 2, discharge pipe 3, first heating component 4, second heating component 5, kettle body 1 can accommodate material and carry out reaction, feed pipe 2 is located kettle body 1 top, and it is connected with external feeding device, material is transported to kettle body 1 by external feeding device, discharge pipe 3 is located kettle body 1 bottom, for the discharge of material after reaction, first heating component 4 is located between feed pipe 2 and external feeding device, first heating component 4 can realize the first heating of material, second heating component 5 is located kettle body 1, and second heating component 5 can realize the second heating of material, by first heating component 4, second heating component 5, material reaches the temperature required by reaction by ladder section, to improve steam heat utilization efficiency, reduce the failure of equipment due to sharp temperature difference change, to improve production efficiency, production stability further.

[0036] In some embodiments, further comprising temperature monitor 6, temperature monitor 6 is located in kettle body 1, can monitor the temperature of material in kettle body 1 in real time, ensure that material carries out reaction under suitable temperature, temperature monitor 6 can be thermocouple, can be infrared thermometer.

[0037] In some embodiments, the first heating assembly 4 comprises a heat exchange shell 41, a first sealing plate 42, a second sealing plate 43, a partition plate 44, a plurality of tube bundles 45, a first heating medium inlet 46, a first heating medium outlet 47, a material inlet 48, and a material outlet 49. The first sealing plate 42 is arranged on one side of the heat exchange shell 41. The second sealing plate 43 is arranged on the other side of the heat exchange shell 41. The partition plate 44 is arranged on the side of the heat exchange shell 41 away from the first sealing plate 42 and is arranged vertically on the first sealing plate 42. The plurality of tube bundles 45 are arranged to penetrate the first sealing plate 42 and the second sealing plate 43 respectively, and the tube bundles 45 are arranged to contain a heating medium. The first heating medium inlet 46 is arranged on the top of the partition plate 44. The first heating medium outlet 47 is arranged on the bottom of the partition plate 44. The material inlet 48 is arranged on the heat exchange shell 41 and between the first sealing plate 42 and the second sealing plate 43. The material inlet 48 can be arranged on the side close to the first sealing plate 42 to increase the temperature difference between the material and the heating medium, thereby increasing the heating speed of the material. The material outlet 49 is arranged on the heat exchange shell 41 and between the first sealing plate 42 and the second sealing plate 43, and is connected with the feeding pipe 2. The heating medium can be heating steam. The heating steam enters the space above the first sealing plate 42, the heat exchange shell 41, and the partition plate 44 through the first heating medium inlet 46, flows into the space between the second sealing plate 43 and the heat exchange shell 41 through the plurality of tube bundles 45 arranged above the partition plate 44, and then flows into the space below the first sealing plate 42, the heat exchange shell 41, and the partition plate 44 through the plurality of tube bundles 45 arranged below the partition plate 44, thereby realizing the flow of the heating medium in the first heating assembly 4. The material enters from the material inlet 48, exchanges heat with the heating medium flowing in the tube bundles 45, thereby realizing the first heating of the material, and then flows out from the material outlet 49 and enters the kettle body 1 through the feeding pipe 2. Since the heating efficiency of the first heating assembly 4 is higher, the heating and warming time of the material is shortened, and the heating efficiency is improved.

[0038] In some embodiments, the first heating assembly 4 further comprises baffles. A plurality of baffles are arranged in the heat exchange shell 41 and between the first sealing plate 42 and the second sealing plate 43, and the baffles are penetrated by the tube bundles 45. The baffles are circular plates with notches, and the notches account for one-fifth to one-third of the area of the circular plates. The plurality of baffles can strengthen the turbulence of the material in the heat exchange shell 41, thereby increasing the flow time of the material in the heat exchange shell 41 and improving the heat exchange effect.

[0039] In some embodiments, the second heating assembly 5 comprises a heating coil 51, a second heating medium inlet 52 and a second heating medium outlet 53, the heating coil 51 is arranged on the kettle body 1, the heating coil 51 flows with a heating medium, the heating medium can be heating steam, the second heating medium inlet 52 is arranged at the top of the heating coil 51, and the second heating medium outlet 53 is arranged at the bottom of the heating coil 51, the material in the kettle body 1 is subjected to the second heating by the heating medium flowing in the heating coil 51, since the temperature difference between the material and the heating medium during the second heating is small, a small amount of heating medium can make the material reach the required reaction temperature, and the thermal expansion and contraction effect caused by the sharp change of the temperature can be avoided by the small temperature difference, thereby avoiding the problems of cracking and water leakage of the welding seam of the heating coil 51 and the kettle wall of the kettle body 1, and further reducing the equipment failure rate and improving the stability of production.

[0040] In some embodiments, the stirring assembly 7 is further arranged on the kettle body 1, the stirring assembly 7 can realize the stirring of the material in the kettle body 1, thereby improving the reaction efficiency and uniformity of the material, the stirring assembly 7 can comprise a stirring motor, a stirring rod and the like structure, which is prior art and will not be described here.

[0041] In some embodiments, the manhole 8 is further arranged on the kettle body 1, which is convenient for the maintenance and repair of the inside of the kettle body 1.

[0042] The specific working principle is as follows:

[0043] The material enters the heat exchange shell 41 of the first heating assembly 4 through the material inlet 48, and exchanges heat with the heating medium flowing in the tube bundle 45 through the tube bundle 45, thereby realizing the first heating of the material and improving the initial temperature of the material.

[0044] In the kettle body 1, the material contacts the heating coil 51 of the second heating assembly 5, and exchanges heat with the heating medium of the heating coil 51 through the heat transfer between the heating coil 51 and the kettle body 1, thereby realizing the second heating of the material and making the material reach the required reaction temperature, and in this process, the temperature monitor 6 can monitor the temperature of the material in the kettle in real time, so as to ensure that the material reacts at a suitable temperature.

[0045] The above embodiments are only used to illustrate the technical solutions of the present application, but not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced by equivalents; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A stepped heating device for a purification reaction vessel, characterized in that: It comprises a kettle body (1); A feeding pipe (2) is arranged on the top of the kettle body (1) and connected with an external feeding device; A discharging pipe (3) is arranged on the bottom of the kettle body (1); A first heating assembly (4) is arranged between the feeding pipe (2) and the external feeding device, which can realize the first heating of the material; A second heating assembly (5) is arranged on the kettle body (1), which can realize the second heating of the material.

2. The device according to claim 1, characterized in that: It also comprises a temperature monitor (6) arranged in the kettle body (1), which can monitor the temperature of the material in the kettle body (1) in real time.

3. The device according to claim 1, characterized in that: The first heating assembly (4) comprises a heat exchange shell (41); A first sealing plate (42) is arranged on one side of the heat exchange shell (41); A second sealing plate (43) is arranged on the other side of the heat exchange shell (41); A partition plate (44) is arranged on the side of the heat exchange shell (41) away from the first sealing plate (42) and vertically arranged on the first sealing plate (42); A plurality of tube bundles (45) are arranged on both sides of the first sealing plate (42) and the second sealing plate (43), and a heating medium is arranged in the tube bundle (45); A first heating medium inlet (46) is arranged on the top of the partition plate (44); A first heating medium outlet (47) is arranged on the bottom of the partition plate (44); A material inlet (48) is arranged on the heat exchange shell (41) and between the first sealing plate (42) and the second sealing plate (43); A material outlet (49) is arranged on the heat exchange shell (41) and between the first sealing plate (42) and the second sealing plate (43), and connected with the feeding pipe (2).

4. The device according to claim 3, characterized in that: The first heating assembly (4) further comprises baffles, a plurality of baffles are arranged in the heat exchange shell (41) and between the first sealing plate (42) and the second sealing plate (43), and the tube bundle (45) is arranged through the baffles.

5. The device according to claim 4, characterized in that: The baffle is a circular plate with a notch, and the notch accounts for one fifth to one third of the area of the circular plate.

6. The device according to claim 1, characterized in that: The second heating assembly (5) comprises a heating coil (51) arranged around the kettle body (1), and a heating medium flows through the heating coil (51); A second heating medium inlet (52) is arranged on the top of the heating coil (51); A second heating medium outlet (53) is arranged on the bottom of the heating coil (51).

7. The device according to claim 1, characterized in that it is a device for heating and temperature increase of a section of a reactor for impurity removal. It also comprises a stirring assembly (7) arranged on the kettle body (1).

8. The device according to claim 1, characterized in that: A manhole (8) is further included and arranged on the kettle body (1).

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