CN217093448U

CN217093448U - Heat regulation and control equipment used in intermittent reaction

Info

Publication number: CN217093448U
Application number: CN202220782858.8U
Authority: CN
Inventors: 安伟; 王同奎; 魏倩倩
Original assignee: Shandong Binzhou Gin&ing New Material Technology Co ltd
Current assignee: Shandong Binzhou Gin&ing New Material Technology Co ltd
Priority date: 2022-04-02
Filing date: 2022-04-02
Publication date: 2022-08-02
Anticipated expiration: 2032-04-02

Abstract

A heat regulation and control device used in batch reaction comprises a first reaction kettle, a second reaction kettle, a heat conduction oil furnace and a cold oil tank. The utility model has the advantages of: a heat regulation and control equipment that uses in intermittent type formula reaction, can rapid cooling to the blowing temperature, the control reaction progress of being convenient for avoids adopting natural cooling's mode, makes the material at high temperature stage time overlength, causes unexpected side reaction, has reduced thermal loss, has reduced the energy consumption. When the second reaction kettle reacts, after the first reaction kettle discharges materials, the materials can be put in advance and enter into another circulation. Through reasonable arrangement, the utility model discloses can reduce the energy consumption by a wide margin, the heat among the make full use of intermittent type reaction cooling process for intermittent type formula reaction is close the effect of continuous reaction, adopts the conduction oil to carry out thermal conduction, has avoided the use risk that the condensate cooling leads to.

Description

Heat regulation and control equipment used in intermittent reaction

Technical Field

The utility model belongs to the technical field of chemical production equipment technique and specifically relates to a heat regulation and control equipment that uses in intermittent type formula reaction.

Background

The chemical production process can be divided into continuous production and intermittent production, compared with the continuous production mode, the equipment investment of the intermittent production is less, but the defects of low production capacity and high energy consumption are inevitable defects, and in addition, the intermittent equipment is the preferred equipment for the process of small-batch, multi-variety and complex processing process of fine chemical products.

In the chemical production process, the operations such as heating, intensification of involving material are inevitable, after the reaction is accomplished, for guaranteeing product quality, chemical process such as rapid cooling has never been lacked, common chemical production process can adopt equipment such as heating to heat up when producing, and the cooling of condensation water is rethread after the reaction is accomplished, and above-mentioned operation process can cause a large amount of heat losses, can not effectively utilize, and in addition, water will boil at 100 degrees under the ordinary pressure, and it also has certain risk to use.

Disclosure of Invention

An object of the utility model is to provide a heat regulation and control equipment that uses in intermittent type formula reaction, through the flow of control conduction oil between first reation kettle, second reation kettle, heat conduction oil stove and cold oil tank, the heat in the make full use of intermittent type reaction cooling process has avoided the use risk that the condensate cooling leads to simultaneously, has solved the problem among the prior art.

The utility model provides a technical scheme that its technical problem adopted is: the utility model relates to a heat regulation and control device used in intermittent reaction, which comprises a first reaction kettle, a second reaction kettle, a heat conduction oil furnace and a cold oil tank, wherein a first heat conduction cavity is arranged in a tank body of the first reaction kettle, a second heat conduction cavity is arranged in a tank body of the second reaction kettle, a first oil inlet pipe and a first oil outlet pipe are communicated in the first heat conduction cavity, a second oil inlet pipe and a second oil outlet pipe are communicated in the second heat conduction cavity, a third oil outlet pipe and a third oil inlet pipe are communicated in the heat conduction oil furnace, a fourth oil outlet pipe and a fourth oil inlet pipe are communicated in the cold oil tank, wherein the first oil inlet pipe, the second oil outlet pipe and the third oil outlet pipe are communicated through a cross joint, a first connecting pipe is communicated between an outlet of the cross joint and the first oil outlet pipe, the first oil inlet pipe and the fourth oil inlet pipe are communicated with the third oil inlet pipe, the second oil inlet pipe and the fourth oil outlet pipe are communicated with each other, a second connecting pipe is communicated between the fourth oil outlet pipe and the third oil outlet pipe, wherein the third oil outlet pipe is provided with a first booster pump, the fourth oil outlet pipe is provided with a second booster pump, the third oil outlet pipe between the first booster pump and the second connecting pipe is provided with a first valve, the first oil inlet pipe is provided with a second valve, the second oil inlet pipe is provided with a third valve, the second oil outlet pipe is provided with a fourth valve, the second connecting pipe is provided with a fifth valve, the fourth oil inlet pipe is provided with a sixth valve, the first connecting pipe is provided with a seventh valve, the first oil outlet pipe between the first connecting pipe and the fourth oil inlet pipe is provided with an eighth valve, the first booster pump, the second booster pump, the first valve, the second valve, the third valve, the fourth valve, the fifth valve, the sixth valve, the seventh valve and the eighth valve are all connected into the controller through control lines. Install first stirring rake in the first reation kettle, install the second stirring rake in the second reation kettle. The first valve, the second valve, the third valve, the fourth valve, the fifth valve, the sixth valve, the seventh valve and the eighth valve are all electric diaphragm valves. The first temperature sensor is installed in the first reaction kettle, the second temperature sensor is installed in the heat conduction oil furnace, the third temperature sensor is installed in the second reaction kettle, the fourth temperature sensor is installed in the cold oil tank, and the first temperature sensor, the second temperature sensor, the third temperature sensor and the fourth temperature sensor are all connected with the controller through control lines. The volume of the heat conduction oil in the cold oil tank is 1-3 times of the volume of the heat conduction oil in the heat conduction oil furnace. The volume of the heat conduction oil in the cold oil tank is 2 times of that of the heat conduction oil in the heat conduction oil furnace.

The utility model has the advantages of: a heat regulation and control equipment that uses in intermittent type formula reaction, including first reation kettle, second reation kettle, heat conduction oil stove and cold oil tank and between them pipeline and valve of looks UNICOM, first reation kettle reaction is accomplished the back, lets in cold oil rapid cooling for the heat shifts to in the oil, can rapid cooling to the blowing temperature, the control reaction progress of being convenient for avoids adopting the mode of natural cooling, makes the material at high temperature stage time overlength, causes unexpected side reaction. After the temperature of the cold oil rises, the cold oil is used for heating reaction materials in the second reaction kettle, so that the loss of heat is reduced, and the energy consumption is reduced. And when the temperature of the materials in the second reaction kettle is close to that of the cold oil, the connection is broken, a heat conduction oil furnace channel is opened, and hot oil in the heat conduction oil furnace is adopted for heating. When the second reaction kettle reacts, the first reaction kettle can be put in advance after the materials are put in, and the circulation is carried out again. Through reasonable arrangement, the utility model discloses can reduce the energy consumption by a wide margin, the heat among the make full use of intermittent type reaction cooling process for intermittent type formula reaction is close the effect of continuous reaction, adopts the conduction oil to carry out thermal conduction, has avoided the use risk that the condensate cooling leads to.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Detailed Description

A heat regulation and control equipment that uses in intermittent type formula reaction, as shown in fig. 1, including first reation kettle 1, second reation kettle 3, heat conduction oil furnace 5 and cold oil tank 6, seted up first heat conduction chamber 19 in first reation kettle 1's the jar body, seted up second heat conduction chamber 20 in second reation kettle 3's the jar body, be used for letting in the conduction oil in first heat conduction chamber 19 and the second heat conduction chamber 20, realize the intensification or the cooling of material among the chemical production process.

Wherein the first heat conducting cavity 19 is communicated with a first oil inlet pipe 34 and a first oil outlet pipe 33, the second heat conducting cavity 20 is communicated with a second oil inlet pipe 31 and a second oil outlet pipe 32, the heat conducting oil furnace 5 is communicated with a third oil outlet pipe 25 and a third oil inlet pipe 26, and the cooling oil tank 6 is communicated with a fourth oil outlet pipe 27 and a fourth oil inlet pipe 28. The first oil inlet pipe 34, the second oil outlet pipe 32 and the third oil outlet pipe 25 are communicated through a cross joint 9, a first connecting pipe 29 is communicated between one outlet of the cross joint 9 and the first oil outlet pipe 33, the first oil outlet pipe 33 and the fourth oil inlet pipe 28 are communicated with the third oil inlet pipe 26, the second oil inlet pipe 31 is communicated with the fourth oil outlet pipe 27, and a second connecting pipe 30 is communicated between the fourth oil outlet pipe 27 and the third oil outlet pipe 25.

Wherein the third oil outlet pipe 25 is provided with a first booster pump 7, the fourth oil outlet pipe 27 is provided with a second booster pump 8, and the first booster pump 7 and the second booster pump 8 can be used as power sources for flowing of the heat transfer oil. A first valve 11 is arranged on the third oil outlet pipe 25 between the first booster pump 7 and the second connecting pipe 30, a second valve 12 is arranged on the first oil inlet pipe 34, a third valve 13 is arranged on the second oil inlet pipe 31, a fourth valve 14 is arranged on the second oil outlet pipe 32, a fifth valve 15 is arranged on the second connecting pipe 30, a sixth valve 16 is arranged on the fourth oil inlet pipe 28, a seventh valve 17 is arranged on the first connecting pipe 29, and an eighth valve 18 is arranged on the first oil outlet pipe 33 between the first connecting pipe 29 and the fourth oil inlet pipe 28, and the valves can control the on-off of the respective pipelines.

The first booster pump 7, the second booster pump 8, the first valve 11, the second valve 12, the third valve 13, the fourth valve 14, the fifth valve 15, the sixth valve 16, the seventh valve 17 and the eighth valve 18 are all connected to the controller 10 through control lines, the controller 10 can be a programmed control device, and when chemical production is carried out, automatic completion can be achieved by setting the starting and stopping of the booster pump and the on-off of the valves.

When the device is used for heat exchange in the chemical production process, the starting and closing conditions of each booster pump and each valve are as follows:

when the first reaction kettle 1 works, other valves and the second booster pump 8 are closed through the controller 10, the first booster pump 7 is controlled to be started, and the first valve 11, the second valve 12 and the eighth valve 18 are opened, so that hot oil in the heat-conducting oil furnace 5 sequentially passes through the third oil outlet pipe 25, the four-way joint 9 and the first oil inlet pipe 34 and enters the first heat-conducting cavity 19, and heat is provided for the reaction of materials in the first reaction kettle 1.

After the reaction in the first reaction kettle 1 is completed, the other valves and the first booster pump 7 are closed through the controller 10, the second booster pump 8 is controlled to be started, and the fifth valve 15, the second valve 12, the eighth valve 18 and the sixth valve 16 are opened, so that the cold oil in the cold oil tank 6 sequentially enters the first heat conduction cavity 19 through the fourth oil outlet pipe 27, the second connecting pipe 30, the four-way joint 9 and the first oil inlet pipe 34, the temperature of the material in the first reaction kettle 1 is rapidly reduced, the discharging temperature is reached, and the side reaction caused by the long-time retention of the material at high temperature is avoided.

When the material in the first reaction kettle 1 reaches the discharging temperature, discharging. Through the controller 10, the other valves and the first booster pump 7 are closed, the second booster pump 8 is controlled to start, the third valve 13, the fourth valve 14, the seventh valve 17, the eighth valve 18 and the sixth valve 16 are opened, so that the heated oil sequentially passes through the fourth oil outlet pipe 27 and the second oil inlet pipe 31 and enters the second heat conduction cavity 20, and then sequentially passes through the second oil outlet pipe 32, the four-way joint 9, the first connecting pipe 29, the first oil outlet pipe 33 and the fourth oil inlet pipe 28 and enters the cooling oil tank 6 to form circulation, the cooling material in the reaction kettle 3 is heated, and when the difference between the oil temperature and the material temperature reaches the set temperature, the step is stopped, and the next step is started.

Through the controller 10, the other valves and the second booster pump 8 are closed, the first booster pump 7 is controlled to start, the first valve 11, the fifth valve 15, the third valve 13, the fourth valve 14, the seventh valve 17 and the eighth valve 18 are opened, so that hot oil in the heat-conducting oil furnace sequentially passes through the third oil outlet pipe 25, the second connecting pipe 30 and the second oil inlet pipe 31 to enter the second heat-conducting cavity 20, and sequentially passes through the second oil outlet pipe 32, the four-way joint 9, the first connecting pipe 29, the first oil outlet pipe 33 and the third oil inlet pipe 26 to enter the heat-conducting oil furnace 5 to form circulation, so as to continuously provide heat for the reaction in the second reaction kettle 3.

Similarly, after the reaction in the second reaction vessel 3 is completed, the heat in the reaction process can be scheduled by similar control. Through the reasonable arrangement of the on-off of the pipelines, the energy consumption can be greatly reduced in the temperature rising and reducing process of chemical production, so that the intermittent reaction is close to the effect of continuous reaction.

Further, for reaction and heat exchange efficiency of material in the improvement reation kettle, install first stirring rake 2 in the first reation kettle 1, install second stirring rake 4 in the second reation kettle 3, the stirring rake can be arranged in the material of stirring reation kettle to this area of contact and time that improve between the material improves reaction and heat exchange efficiency.

Further, the first valve 11, the second valve 12, the third valve 13, the fourth valve 14, the fifth valve 15, the sixth valve 16, the seventh valve 17 and the eighth valve 18 are all electrically-operated diaphragm valves. The flow capacity of the electric diaphragm valve is larger than that of a common regulating valve, no leakage exists, the electric diaphragm valve can be used as a cut-off valve within an allowable pressure difference range, and the electric diaphragm valve is suitable for regulating occasions of high-viscosity fluid, suspended particles, fiber media, toxic media and corrosive media and has the characteristics of sensitive action, simple connection, large flow, small volume, high regulating precision and the like.

Further, in order to facilitate real-time observation of the temperature of the materials in the first reaction kettle 1 and the second reaction kettle 3 and the temperature of the heat transfer oil in the heat transfer oil furnace 5 and the oil cooling tank 6, a first temperature sensor 21 is installed in the first reaction kettle 1, a second temperature sensor 22 is installed in the heat transfer oil furnace 5, a third temperature sensor 23 is installed in the second reaction kettle 3, and a fourth temperature sensor 24 is installed in the oil cooling tank 6, wherein the first temperature sensor 21, the second temperature sensor 22, the third temperature sensor 23 and the fourth temperature sensor 24 are all connected with the controller 10 through control lines.

Further, in order to ensure the heat conduction efficiency of the heat conduction oil between the first reaction kettle 1 and the second reaction kettle 3, the volume of the heat conduction oil in the cold oil tank 6 is 1-3 times, preferably 2 times of the volume of the heat conduction oil in the heat conduction oil furnace 5.

Technical scheme of the utility model not be restricted to the utility model the within range of embodiment. The technical contents not described in detail in the present invention are all known techniques.

Claims

1. A heat regulating apparatus for use in a batch reaction, characterized in that: comprises a first reaction kettle (1), a second reaction kettle (3), a heat-conducting oil furnace (5) and a cold oil tank (6), wherein a first heat-conducting cavity (19) is arranged in a tank body of the first reaction kettle (1), a second heat-conducting cavity (20) is arranged in a tank body of the second reaction kettle (3), a first oil inlet pipe (34) and a first oil outlet pipe (33) are communicated in the first heat-conducting cavity (19), a second oil inlet pipe (31) and a second oil outlet pipe (32) are communicated in the second heat-conducting cavity (20), a third oil outlet pipe (25) and a third oil inlet pipe (26) are communicated in the heat-conducting oil furnace (5), a fourth oil outlet pipe (27) and a fourth oil inlet pipe (28) are communicated in the cold oil tank (6), the first oil inlet pipe (34), the second oil outlet pipe (32) and the third oil outlet pipe (25) are communicated with each other through a four-way (9), and a first communication pipe (29) is communicated between an outlet of the four-way (9) and the first oil outlet pipe (33), the first oil outlet pipe (33) and the fourth oil inlet pipe (28) are communicated with a third oil inlet pipe (26), the second oil inlet pipe (31) is communicated with the fourth oil outlet pipe (27), a second connecting pipe (30) is communicated between the fourth oil outlet pipe (27) and the third oil outlet pipe (25), wherein a first booster pump (7) is installed on the third oil outlet pipe (25), a second booster pump (8) is installed on the fourth oil outlet pipe (27), a first valve (11) is installed on the third oil outlet pipe (25) between the first booster pump (7) and the second connecting pipe (30), a second valve (12) is installed on the first oil inlet pipe (34), a third valve (13) is installed on the second oil inlet pipe (31), a fourth valve (14) is installed on the second oil inlet pipe (32), a fifth valve (15) is installed on the second connecting pipe (30), and a sixth valve (16) is installed on the fourth oil inlet pipe (28), install seventh valve (17) on first connecting pipe (29), install eighth valve (18) on first play oil pipe (33) between first connecting pipe (29) and fourth oil inlet pipe (28), above-mentioned first booster pump (7), second booster pump (8), first valve (11), second valve (12), third valve (13), fourth valve (14), fifth valve (15), sixth valve (16), seventh valve (17) and eighth valve (18) are all through control line access controller (10).

2. A heat regulating apparatus for use in a batch reaction according to claim 1, wherein: install first stirring rake (2) in first reation kettle (1), install second stirring rake (4) in second reation kettle (3).

3. A heat regulating apparatus for use in a batch reaction according to claim 1, characterized in that: the first valve (11), the second valve (12), the third valve (13), the fourth valve (14), the fifth valve (15), the sixth valve (16), the seventh valve (17) and the eighth valve (18) are all electric diaphragm valves.

4. A heat regulating apparatus for use in a batch reaction according to claim 1, characterized in that: install first temperature sensor (21) in first reation kettle (1), install second temperature sensor (22) in heat conduction oil furnace (5), install third temperature sensor (23) in second reation kettle (3), install fourth temperature sensor (24) in cold oil jar (6), first temperature sensor (21), second temperature sensor (22), third temperature sensor (23) and fourth temperature sensor (24) all are connected with controller (10) through control scheme.

5. A heat regulating apparatus for use in a batch reaction according to claim 1, characterized in that: the volume of the heat conduction oil in the cold oil tank (6) is 1-3 times of the volume of the heat conduction oil in the heat conduction oil furnace (5).

6. A heat regulating apparatus for use in a batch reaction according to claim 5, characterized in that: the volume of the heat conduction oil in the cold oil tank (6) is 2 times of that in the heat conduction oil furnace (5).