Reaction kettle cooling device

Abstract

The utility model discloses a reaction kettle cooling device, which belongs to the technical field of reaction kettle cooling and comprises a kettle body, a cooling water jacket arranged outside the kettle body, a first-effect refrigerating machine and a second-effect refrigerating machine, and water inlets of the first-effect refrigerating machine and the second-effect refrigerating machine are respectively connected with a water inlet header pipe and a circulating header pipe. Water outlets of the first-effect refrigerating machine and the second-effect refrigerating machine are communicated with a cooling water inlet of the kettle body, and a cooling water outlet of the kettle body is connected with a circulating header pipe. According to the reaction kettle cooling device disclosed by the utility model, the at least two combined refrigerators are arranged outside the kettle body to provide cooling water with lower temperature for the cooling water jacket so as to achieve the purpose of rapid cooling, and the two refrigerators are combined, so that if one refrigerator breaks down, the other refrigerator can meet the refrigeration requirement; and the cooling water which is discharged from the cooling water outlet and contains the exchange waste heat can be conveyed to a required place through the drainage pipe to be continuously utilized, so that the refrigerating burden of the refrigerant is reduced, and the exchange waste heat can also be utilized.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of reaction kettle cooling, specifically relates to a reaction kettle cooling device. BACKGROUND

[0002] The reaction kettle is a container for physical or chemical reaction, and through the structural design and parameter configuration of the container, the heating, evaporation, cooling and low-speed mixing functions required by the process are realized.

[0003] The reaction kettle will generate a large amount of heat during work due to chemical reaction, and the pressure in the reaction kettle will rise, but in the existing reaction kettle cooling device, generally only one refrigerator is used to refrigerate the cooling water of the reaction kettle, due to the limited refrigeration effect of one refrigerator, the heat dissipation effect is often poor due to the still high water temperature of the cooling water, especially the cooling water temperature cannot be lowered in time, so that the overall amount of cooling water is also forced to increase, and the waste heat cooling water (with certain heat) exchanged with the reaction kettle cannot be recycled, which wastes resources. Moreover, if the refrigerator fails during the reaction process, the entire reaction kettle can only be cooled with normal temperature water, the cooling effect is poor, and even the reaction in the reaction kettle fails, which brings great trouble to production. SUMMARY

[0004] The technical problem to be solved by the utility model is that, in view of the deficiencies of the prior art, a reaction kettle cooling device is provided to solve the problems of poor cooling effect and delayed cooling due to refrigerator failure in the prior art, so that the reaction fails.

[0005] To solve the above technical problems, the utility model provides a reaction kettle cooling device, which comprises a kettle body, a cooling water jacket is arranged outside the kettle body, a cooling water inlet and a cooling water outlet are arranged on the cooling water jacket, and at least one primary refrigerator and one secondary refrigerator are further included, a water inlet of the primary refrigerator is connected with a first water inlet branch pipe, a water inlet of the secondary refrigerator is connected with a second water inlet branch pipe, a water outlet of the primary refrigerator is connected with a first water outlet branch pipe, and a water outlet of the secondary refrigerator is connected with a second water outlet branch pipe, the first water outlet branch pipe and the second water outlet branch pipe are both connected with a water outlet main pipe, and the water outlet main pipe is communicated with the cooling water inlet of the kettle body; the cooling water outlet of the kettle body is connected with a circulation main pipe, the circulation main pipe is further connected with a first circulation branch pipe and a second circulation branch pipe, the first circulation branch pipe is connected with the water inlet of the primary refrigerator, and the second circulation branch pipe is connected with the water inlet of the secondary refrigerator.

[0006] As a further description of the above technical scheme, a temperature sensor is further arranged on the circulation main pipe to detect the temperature of the cooling water in the cooling jacket, and according to the temperature, it is selected whether the cooling water is circulated into the primary refrigerator or the secondary refrigerator or directly transported to a specified place through a drain pipe.

[0007] As a further description of the above technical solution, the cooling water outlet is also connected with a drain pipe, when the temperature of the cooling water out of the cooling water jacket is far higher than the room temperature, the cooling load of the refrigerating machine is increased, at this time, the cooling water can be discharged through the drain pipe and transported to a designated place (for example, a reaction kettle which needs to be heated by heated water), so as to reduce the cooling load of the refrigerating machine and utilize the exchange waste heat of the cooling water, thereby achieving the maximum utilization of resources.

[0008] As a further description of the above technical solution, the water outlet of the single-effect refrigerating machine is also connected with the water inlet of the double-effect refrigerating machine through a series pipe, the cooling water cooled by the single-effect refrigerating machine is cooled again by the double-effect refrigerating machine, so that the water temperature can be lowered to the lowest, and the cooling effect can be effectively improved.

[0009] As a further description of the above technical solution, a circulating pump is arranged on the water outlet main pipe, so as to accelerate the circulation speed of the cooling water in the cooling water jacket and improve the cooling effect of the kettle body.

[0010] As a further description of the above technical solution, the cooling water inlet is located at the lower part of the cooling water jacket, and the cooling water outlet is located at the upper part of the cooling water jacket, so as to prolong the residence time of the cooling water in the cooling water jacket and effectively improve the cooling effect.

[0011] As a further description of the above technical solution, a stirring device is arranged in the kettle body, the stirring device comprises a motor arranged at the upper part of the kettle body, a stirring rod connected with the motor shaft of the motor and extending into the kettle body, and at least one group of stirring blades fixedly connected with the stirring rod, the stirring device in the kettle body not only makes the reaction liquid uniformly mixed and helps the reaction, but also makes the reaction liquid uniformly heated faster, so as to achieve the purpose of rapidly cooling the whole reaction liquid.

[0012] In summary, due to the adoption of the above technical solution, the beneficial effects of the present application are:

[0013] The present application sets the cooling water jacket outside the kettle body and sets two refrigerating machines in combination, so as to provide the cooling water jacket with cooling water at a lower temperature, thereby achieving the purpose of rapid cooling. Moreover, if one of the refrigerating machines fails, the other refrigerating machine can still meet the refrigeration requirement. The cooling water discharged from the cooling water outlet and containing exchange waste heat can be transported to a required place through the drain pipe for further utilization, so that the water resource is not wasted and the exchange waste heat can be utilized again. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 is a structural schematic view of the reaction kettle cooling device of the present application;

[0015] LEGEND:

[0016] 100- kettle body; 110- cooling water jacket; 111- cooling water inlet; 112- cooling water outlet; 121- motor; 122- stirring rod; 123- stirring blade; 200- single-effect refrigerator; 210- first water inlet branch; 211- first water inlet valve; 220- first water outlet branch; 221- first water outlet valve; 230- series pipe; 231- control valve; 300- second-effect refrigerator; 310- Second water inlet branch; 311-second water inlet valve; 320-second water outlet branch; 321-second water outlet valve; 400-water outlet main; 401-circulation pump; 500-circulation main; 502-temperature sensor; 510-first circulation branch; 511-first circulation control valve; 520-second circulation branch; 521-second circulation control valve; 600-drain pipe; 601-drain valve; 700-water inlet main. DETAILED DESCRIPTION

[0017] The present invention will be further described below with reference to the accompanying drawings and specific embodiments.

[0018] A reactor cooling device, such as Figure 1 As shown, it includes a kettle body 100, and a stirring device is provided in the kettle body 100. The stirring device includes a motor 121 arranged at the upper part of the kettle body 100, a stirring rod 122 connected to the motor shaft of the motor 121 and extending into the kettle body 100, and two sets of stirring blades 123 fixedly connected to the stirring rod 122. The stirring device not only mixes the reaction liquid in the kettle body 100 evenly, which helps the reaction proceed, but also makes the reaction liquid heat faster and evenly, thereby achieving the purpose of quickly cooling the entire reaction liquid. A cooling water jacket 110 is provided outside the kettle body 100, and a cooling water inlet 111 is provided at the lower part of the cooling water jacket 110, and a cooling water outlet 112 is provided at the upper part.

[0019] A single-effect refrigerator 200 and a second-effect refrigerator 300 are provided outside the kettle body 100. The water inlet of the single-effect refrigerator 200 is connected to the first water inlet branch pipe 210, and the first water inlet branch pipe 210 is provided with a first water inlet valve 211. The water inlet of the second-effect refrigerator 300 is connected to the second water inlet branch pipe 310, and the second water inlet branch pipe 310 is provided with a second water inlet valve 311. The first water inlet branch pipe 210 and the second water inlet branch pipe 310 are both connected to the water inlet main pipe 700, which is used to supply cooling water to be refrigerated to the refrigerator. The water outlet of the single-effect refrigerator 200 is connected to the first water outlet branch pipe 220, and the first water outlet branch pipe 220 is provided with a first water outlet valve 221. The water outlet of the second-effect refrigerator 300 is connected to the second water outlet branch pipe 320, and the second water outlet pipe 320 is provided with a second water outlet valve 321. The first water outlet branch pipe 220 and the second water outlet branch pipe 320 are both connected to the water outlet main pipe 400, and the water outlet main pipe 400 is provided with a circulating pump 401. The water outlet main pipe 400 is connected to the cooling water inlet 111 of the kettle body 100, and is used to transport the refrigerated cooling water to the cooling water jacket 110.

[0020] The cooling water outlet 112 of the kettle body 100 is connected with the circulating main pipe 500, the circulating main pipe 500 is provided with a temperature sensor 502, and the circulating main pipe 500 is also connected with the first circulating branch pipe 510 and the second circulating branch pipe 520, respectively. The first circulating control valve 511 is arranged on the first circulating branch pipe 510, and the second circulating control valve 521 is arranged on the second circulating branch pipe 520. The first circulating branch pipe 510 is connected with the water inlet of the one-effect refrigerator 200, and the second circulating branch pipe 520 is connected with the water inlet of the two-effect refrigerator 300. The cooling water cooled by the refrigerator is introduced into the cooling water jacket 110 through the cooling water inlet 111, exchanges heat with the outer wall of the kettle body 100 in the reaction, and is discharged from the cooling water outlet 112 as cooling water containing residual heat. After the temperature is detected by the temperature sensor 502, the cooling water is sent into the one-effect refrigerator 200 or the three-effect refrigerator 300 through the first circulating branch pipe 510 or the second circulating branch pipe 520 according to the detected temperature for cooling. The cooling water cooled is sent into the cooling water jacket 110 again for recycling. In this embodiment, the one-effect refrigerator 200 and the two-effect refrigerator 300 are connected in parallel with the cooling water jacket 110. Even if one of the refrigerators fails, the other refrigerator still has a refrigeration effect, which can meet the cooling needs of the kettle.

[0021] As a preferred embodiment of the present embodiment, the cooling water outlet 112 is also connected with the drain pipe 600, the drain pipe 600 is provided with a drain valve 601, and when the temperature of the cooling water containing residual heat discharged from the cooling water jacket 110 is detected by the temperature sensor 502 to be far higher than the room temperature water temperature, the first circulating control valve 511 and the second circulating control valve 521 can be closed, and the drain valve 601 can be opened to discharge the cooling water through the drain pipe 600 and transport it to a designated place (for example, a kettle that needs to be heated by heating water). In this way, the refrigeration burden of the refrigerator is reduced, and the residual heat of the cooling water is utilized, so that the resources are maximized.

[0022] As a preferred embodiment of the present embodiment, the water outlet of the one-effect refrigerator 200 is also connected with the water inlet of the two-effect refrigerator 300 through the series pipe 230, and the control valve 231 is arranged on the series pipe 230. The one-effect refrigerator 200 and the two-effect refrigerator 300 are connected in series through the series pipe 230. The cooling water cooled by the one-effect refrigerator 200 is introduced into the two-effect refrigerator 300 through the series pipe 230 to be cooled again, so that the water temperature can be lowered to the lowest, and the cooling effect can be effectively improved.

[0023] The reaction kettle cooling device of the utility model, through setting up one effect refrigerator 200 and two effect refrigerator 300 of series-parallel connection outside cauldron body 100, and through multiple pipeline connection, setting up various valves on pipeline, make cooling water jacket 110 discharged cooling water can pass through one effect refrigerator 200 or two effect refrigerator 300 single refrigeration, also can pass through one effect refrigerator 200 and two effect refrigerator 300 combined cooling, can reduce the work load of refrigerator, and can deal with refrigerator fault and other emergent conditions, and containing the cooling water of exchange waste heat can be sent to the place needing hot water heating through drain pipe 600, utilize the exchange waste heat, save water, heat resources.

[0024] The above examples are only used to illustrate the technical solutions of the utility model, and not to limit them; those skilled in the art should understand that the technical solutions recorded in the foregoing examples can still be modified, or some technical features can be replaced equivalently; and these modifications or replacements will not make the essence of the corresponding technical solutions deviate from the protection scope of the utility model.

Claims

1. A reaction kettle cooling device, comprising a kettle body (100), a cooling water jacket (110) is arranged outside the kettle body (100), a cooling water inlet (111) and a cooling water outlet (112) are arranged on the cooling water jacket, characterized in that: It also comprises at least one single-effect refrigerating machine (200) and one double-effect refrigerating machine (300), the water inlet of the single-effect refrigerating machine (200) is connected with the first water inlet branch pipe (210), the water inlet of the double-effect refrigerating machine (300) is connected with the second water inlet branch pipe (310), the water outlet of the single-effect refrigerating machine (200) is connected with the first water outlet branch pipe (220), the water outlet of the double-effect refrigerating machine (300) is connected with the second water outlet branch pipe (320), the first water outlet branch pipe (220) and the second water outlet branch pipe (320) are both connected with the water outlet main pipe (400), the water outlet main pipe (400) is communicated with the cooling water inlet (111) of the kettle body (100), the cooling water outlet of the kettle body (100) is connected with the circulation main pipe (500), the circulation main pipe (500) is also connected with the first circulation branch pipe (510) and the second circulation branch pipe (520) respectively, the first circulation branch pipe (510) is connected with the water inlet of the single-effect refrigerating machine (200), and the second circulation branch pipe (520) is connected with the water inlet of the double-effect refrigerating machine (300).

2. The reaction kettle cooling device of claim 1, wherein: The temperature sensor (502) is arranged on the circulation main pipe (500).

3. The reactor cooling device of claim 2, wherein: The cooling water outlet (112) is also connected with the drain pipe (600) for discharging the cooling water containing the exchanged waste heat.

4. The reaction kettle cooling device of claim 2, wherein: The water outlet of the single-effect refrigerating machine (200) is also connected with the water inlet of the double-effect refrigerating machine (300) through the series pipe (230).

5. The reactor cooling device according to claim 3 or 4, characterized in that: The circulation pump (401) is arranged on the water outlet main pipe (400).

6. The reaction kettle cooling device of claim 1, wherein: The cooling water inlet (111) is arranged at the lower part of the cooling water jacket (110), and the cooling water outlet (112) is arranged at the upper part of the cooling water jacket (110).

7. The reaction kettle cooling device of claim 1, wherein: The stirring device is arranged in the kettle body (100).

8. The reaction kettle cooling device of claim 7, wherein: The stirring device comprises the motor (121) arranged at the upper part of the kettle body (100), the stirring rod (122) connected with the motor shaft of the motor and extending into the kettle body (100), and at least one group of stirring blades (123) fixedly connected with the stirring rod (122).

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