CN215540836U

CN215540836U - Double-jacket temperature control reaction kettle

Info

Publication number: CN215540836U
Application number: CN202121294211.2U
Authority: CN
Inventors: 邰在进; 鲁朔麟; 经亮亮
Original assignee: Nanjing Fuyuan Chemical Pipeline Equipment Co ltd
Current assignee: Nanjing Fuyuan Chemical Pipeline Equipment Co ltd
Priority date: 2021-06-09
Filing date: 2021-06-09
Publication date: 2022-01-18
Anticipated expiration: 2031-06-09

Abstract

The utility model relates to the technical field of chemical equipment, in particular to a double-jacket temperature-control reaction kettle which comprises a kettle body, wherein an inner jacket is sleeved on the outer wall of the kettle body, an outer jacket is sleeved on the outer wall of the inner jacket, a constant-temperature solution is filled in the inner jacket, a heat-insulating gas is filled in the outer jacket, the inner jacket is communicated with a balance tank, a liquid level meter is arranged in the kettle body, the liquid level meter senses the liquid level in the kettle and transmits data to a controller, and the controller controls the balance tank according to the liquid level in the kettle to balance the liquid level of the constant-temperature solution in the inner jacket, so that the liquid level of the constant-temperature solution in the inner jacket is consistent with the liquid level in the kettle.

Description

Double-jacket temperature control reaction kettle

Technical Field

The utility model relates to the technical field of chemical equipment, in particular to a double-jacket temperature control reaction kettle.

Background

The existing jacket reaction kettle has the phenomenon of heating or refrigerating an empty kettle, namely when materials in the reaction kettle are reduced, constant-temperature (high-temperature or low-temperature) hot solution or oil liquid is injected into the jacket and is not changed along with the constant-temperature (high-temperature or low-temperature) hot solution or oil liquid (the heating area is unchanged), so that the corrosion-resistant layer in the heating area is heated unevenly, and the service life of the corrosion-resistant layer is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a double-jacket temperature-controlled reaction kettle, which solves the problem that an anticorrosive coating of a jacket reaction kettle is not uniformly heated in the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a two clamp covers accuse temperature reation kettle, includes the cauldron body, the cover has the inner jacket on the external wall of cauldron body, the outer wall cover of inner jacket has outer jacket, it has constant temperature solution to annotate in the inner jacket, it has the heat preservation gas to annotate in the outer jacket, the inner jacket communicates with the compensating tank, the internal liquid level appearance that is equipped with of cauldron, liquid level appearance response cauldron internal liquid level and with data transfer to controller, the controller comes the liquid level of the constant temperature solution in the balanced tank of inner jacket according to liquid level control balancing tank in the cauldron, makes the constant temperature solution liquid level in the inner jacket keep unanimous with the cauldron internal liquid level.

Preferably, the constant temperature solution is a freezing fluid, hot water or hot oil.

Preferably, the insulating gas is steam or nitrogen.

Preferably, the bottom of the kettle body is provided with a discharge hole, the discharge hole is provided with a discharge valve, and the discharge valve is a 304 stainless steel lining PFA discharge valve.

Compared with the prior art, the utility model has the beneficial effects that: the application provides a two clamp covers anticorrosive reation kettle of accuse temperature is double-deck jacket design, fills into heat preservation gas in the outer jacket, guarantees the constancy of temperature of constant temperature solution in the inner jacket, and the liquid level of the constant temperature solution in the inner jacket can keep with the cauldron in the liquid level synchronous, avoids empty cauldron heating, makes the internal anticorrosive coating of cauldron be heated evenly, has prolonged the life of anticorrosive coating greatly.

Drawings

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

In the figure: 1 kettle body, 2 balance tanks, 3 liquid level meters, 4 controllers, 5 inner jackets, 6 outer jackets and 7 discharge valves.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, the present invention provides a technical solution: a double-jacket temperature-control reaction kettle comprises a kettle body 1, wherein an inner jacket 5 is sleeved on the outer wall of the kettle body 1, an outer jacket 6 is sleeved on the outer wall of the inner jacket 5, a constant-temperature solution is injected in the inner jacket 5, the constant-temperature solution can be configured into hot oil or hot water when high-temperature reaction is carried out in the kettle, the temperature can reach 180 ℃ at the highest, the constant-temperature solution can be configured into refrigerating fluid when low-temperature reaction is carried out in the kettle, the lowest temperature can reach-40 ℃, heat-preservation gas is injected in the outer jacket 6, heat preservation or cold preservation is carried out on the inner jacket 5, so that the temperature in the inner jacket 5 is kept constant, the inner jacket 5 is communicated with a balance tank 2, a liquid level meter 3 is arranged in the kettle body 1, the liquid level meter 3 senses the liquid level in the kettle and transmits data to a controller 4, the controller 4 controls the balance tank 2 according to the liquid level of the constant-temperature solution in the inner jacket 5, so that the liquid level of the constant-temperature solution in the inner jacket 5 is kept consistent with the liquid level in the kettle, thus, heating or refrigeration of the empty reaction kettle is avoided, when the materials in the reaction kettle are reduced, the liquid level of the constant-temperature solution in the inner jacket 5 is changed, the anticorrosive coating in the kettle body 1 is heated uniformly, and the service life of the anticorrosive coating is greatly prolonged.

The application provides a two press from both sides cover anticorrosive reation kettle of accuse temperature's theory of operation: inject into constant temperature solution's (high temperature or low temperature) to the interior intermediate layer, material to in the reation kettle carries out constant temperature heating or refrigeration, inject into insulating gas (steam or nitrogen gas) at outer intermediate layer and keep warm and make constancy of temperature in the reation kettle, the material reacts in reation kettle, the liquid level of material in the 3 response cauldron of liquid level appearance shows on controller 4, the liquid level of constant temperature solution in the 5 inner jacket is controlled to 2 pressure boost of controller 4 control balance tank or pressure release, make the liquid level in the 5 inner jacket and the cauldron interior material liquid level keep unanimous, prevent that the empty cauldron of reation kettle from heating or refrigerating, the reaction finishes, the material can be followed the discharge gate at the bottom of the cauldron and emitted, it is very convenient to operate.

Specifically, in the embodiment, the stirring motor in the reaction kettle adopts a speed-reducing and force-increasing motor, the force-increasing and force-reducing motor can work continuously at a constant rotating speed, and the service life is longer; the controller 4 adopts a digital display double-window controller, accurately displays the temperature and the rotating speed, is provided with a simple button, and is convenient to operate and easy to understand; a stirring shaft in the kettle is made of 304 stainless steel, PFA is sprayed on the stirring shaft, and a 3mm tetrafluoro plate is coated outside the stirring shaft, so that the stirring shaft is corrosion-resistant and high-temperature-resistant; meanwhile, the reaction kettle is also provided with a thermometer sleeve which can accurately measure the temperature of the kettle body 1 and display the temperature on the controller 4, the precision can reach +/-1 ℃, and the measurement is not repeated here.

Further, 1 bottom of the cauldron body of reation kettle that this application provided is equipped with the discharge gate, is equipped with baiting valve 7 on the discharge gate, and baiting valve 7 is 304 stainless steel lining PFA baiting valve, and this baiting valve 7 blowing is convenient, and no dead angle does not reveal. The application provides a liquid level appearance 3 is radar liquid level appearance, its height that can liquid level in the real-time detection cauldron.

The application provides a two clamp covers anticorrosive reation kettle of accuse temperature is double-deck clamp cover design, place reaction medium in the cauldron, the interior intermediate layer can be led to different cold and hot sources (refrigerating fluid, hot water or hot oil) and do the circulation fever of bringing down or cooling reaction, the outer intermediate layer is poured into insulating gas (steam or nitrogen gas) and is kept warm and make constancy of temperature in the reation kettle, under setting for the constant temperature condition, can stir the reaction under ordinary pressure or negative pressure condition according to the operation requirement in inclosed reation kettle, simultaneously the interior liquid level of 5 interior clamp covers can keep and the cauldron in the liquid level synchronization state, avoid empty cauldron heating, be the ideal pilot test of modern fine chemistry industry bio-pharmaceuticals and new material synthesis, production facility.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a two jacket accuse temperature reation kettle, includes the cauldron body (1), its characterized in that: the kettle is characterized in that an inner jacket (5) is sleeved on the outer wall of the kettle body (1), an outer jacket (6) is sleeved on the outer wall of the inner jacket (5), a constant-temperature solution is injected into the inner jacket (5), heat preservation gas is injected into the outer jacket (6), the inner jacket (5) is communicated with the balance tank (2), a liquid level meter (3) is arranged in the kettle body (1), the liquid level meter (3) senses the liquid level in the kettle and transmits data to the controller (4), and the controller (4) controls the balance tank (2) to balance the liquid level of the constant-temperature solution in the inner jacket (5) according to the liquid level in the kettle, so that the liquid level of the constant-temperature solution in the inner jacket (5) is consistent with the liquid level in the kettle.

2. The double-jacket temperature-controlled reaction kettle according to claim 1, characterized in that: the constant temperature solution is refrigerating fluid, hot water or hot oil.

3. The double-jacket temperature-controlled reaction kettle according to claim 1, characterized in that: the heat preservation gas is steam or nitrogen.

4. The double-jacket temperature-controlled reaction kettle according to claim 1, characterized in that: the reactor is characterized in that a discharge port is formed in the bottom of the reactor body (1), a discharge valve (7) is arranged on the discharge port, and the discharge valve (7) is a PFA (Perfluoro fluoro-silicone) discharge valve with a 304 stainless steel lining.