CN219441656U

CN219441656U - Reaction kettle

Info

Publication number: CN219441656U
Application number: CN202222555794.0U
Authority: CN
Inventors: 唐宏林; 莫卓雄
Original assignee: Guangdong Qinlin Machinery Equipment Industry Co ltd
Current assignee: Guangdong Qinlin Machinery Equipment Industry Co ltd
Priority date: 2022-09-26
Filing date: 2022-09-26
Publication date: 2023-08-01
Anticipated expiration: 2032-09-26

Abstract

The utility model discloses a reaction kettle, which comprises a kettle body, wherein a gas pipe and a gas outlet are arranged on the kettle body, one end of the gas pipe is positioned in the kettle body, the other end of the gas pipe is communicated with a gas supply device positioned outside the kettle body, and the gas supply device is used for conveying nitrogen or inert gas which is positive pressure relative to the ambient pressure into the kettle body so as to extrude the air in the kettle body to the gas outlet for discharge. When the reaction kettle is used, nitrogen or inert gas which is positive pressure relative to the ambient pressure is continuously conveyed into the kettle body, so that the reaction environment in the kettle body achieves the effect of isolating air, and the mixed material is effectively prevented from undergoing oxidation reaction with oxygen in the reaction kettle; meanwhile, the reaction environment in the reaction kettle body is isolated from air by using a gas replacement mode, and compared with the traditional vacuum extraction mode, the utility model is more beneficial to adding subsequent reactants into the reaction kettle, thereby meeting the reaction requirements of certain mixed materials in the reaction kettle.

Description

Reaction kettle

Technical Field

The utility model relates to the field of reaction kettles, in particular to a reaction kettle.

Background

The reaction kettle is a comprehensive reaction container, can carry out structural design and parameter configuration of the container according to different process condition requirements, and has the design conditions, inspection, manufacture and acceptance according to related technical standards so as to realize the reaction functions of heating, evaporation, cooling and low-high-speed mixed preparation of the process requirements, and is widely applied to the production fields of petroleum, chemical industry, rubber, pesticides, dyes, medicines, foods and the like. Among them, many reactions are often required to be carried out in an oxygen-free reaction vessel due to the nature of the reactants being easily oxidized or due to the conditions under which the reactions themselves occur. At present, the existing method is to put the reactants into a reaction kettle first, and vacuum is pumped from the interior of the reaction kettle before the reactants react, so that the method can avoid the oxidation reaction of the reactants and oxygen in the reaction kettle, but the subsequent reaction is influenced due to the difficulty of adding the reactants into the reaction kettle due to the smaller pressure in the reaction kettle after the vacuum pumping.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model aims to provide a reaction kettle which can effectively prevent mixed materials from oxidizing with oxygen in the reaction kettle and is beneficial to adding subsequent reactants into the reaction kettle, so that the reaction requirement of certain mixed materials in the reaction kettle is met.

The utility model adopts the following technical scheme:

the utility model provides a reation kettle, includes the cauldron body, be provided with gas-supply pipe and gas vent on the cauldron body, the one end of gas-supply pipe is located the cauldron is internal, the other end intercommunication of gas-supply pipe has to be located the external air feeder of cauldron, air feeder be used for to the internal transport for the nitrogen gas and/or the inert gas that the ambient pressure is the malleation, in order to with the internal air extrusion of cauldron to the gas vent discharges.

Further, an oxygen detector is arranged on the kettle body and is used for detecting the oxygen content of the gas in the kettle body.

Further, the kettle body is also provided with a pressure detection device, and the pressure detection device is used for detecting the pressure in the kettle body.

Further, the gas pipe is obliquely arranged from top to bottom, and a fixing piece for fixing the gas pipe is arranged in the kettle body.

Further, the reaction kettle also comprises a driving device and a stirring shaft, wherein one end of the stirring shaft is positioned in the kettle body and is connected with a stirring paddle, and the driving device is arranged outside the kettle body and is in driving connection with the other end of the stirring shaft and is used for driving the stirring shaft to drive the stirring paddle to stir materials in the kettle body.

Further, an interlayer sleeve is sleeved on the outer wall of the lower end part of the kettle body, an interlayer space is formed between the inner wall of the interlayer sleeve and the outer wall of the kettle body, and cooling liquid is arranged in the interlayer space and used for cooling the kettle body.

Further, the interlayer sleeve is provided with a cooling water inlet and a cooling water outlet, the cooling water inlet is arranged at one end of the interlayer sleeve, the cooling water outlet is arranged at the other end of the interlayer sleeve, the cooling water inlet is used for guiding the cooling liquid into the interlayer space, and the cooling water outlet is used for guiding the cooling liquid out of the interlayer space.

Further, a spiral guide plate is arranged in the interlayer space and used for enabling the cooling liquid to flow from the cooling water inlet to the cooling water outlet along a spiral flow channel of the cooling water inlet.

Further, the kettle body is also provided with a heating rod for heating the solid-liquid mixture in the kettle body.

Further, the air supply device comprises an air supply bottle, a one-way valve and a pressure regulating valve, wherein the air supply bottle is communicated with the air delivery pipe through a connecting pipe and is used for supplying nitrogen or inert gas, the one-way valve is arranged at the mouth of the air supply bottle, and the pressure regulating valve is arranged on the connecting pipe and is used for regulating the pressure of the gas entering the kettle body.

Compared with the prior art, the utility model has the beneficial effects that:

when the reaction kettle is used, firstly, the mixed materials are placed in the kettle body, then, the air supply device is opened, the pressure of nitrogen or inert gas which is input into the kettle body through the air transmission pipe is regulated, so that the pressure of the nitrogen or inert gas is positive relative to the ambient pressure, and of course, the nitrogen or inert gas is continuously introduced into the kettle body, so that air in the kettle body is extruded to the air outlet for discharging, the reaction environment in the kettle body achieves the effect of isolating the air, and further, the mixed materials and oxygen can be effectively prevented from undergoing oxidation reaction in the reaction kettle; meanwhile, the reaction environment in the reaction kettle body is isolated from air by using a gas replacement mode, and compared with the traditional vacuum extraction mode, the utility model is more beneficial to adding subsequent reactants into the reaction kettle, thereby meeting the reaction requirements of certain mixed materials in the reaction kettle.

Drawings

Fig. 1 is a schematic structural view of a batching plant according to the present utility model.

In the figure: 10. a kettle body; 101. an exhaust port; 102. a feed inlet; 20. a gas pipe; 30. an interlayer sleeve; 301. an interlayer space; 302. a cooling water inlet; 303. a cooling water outlet; 31. a spiral deflector; 40. a heating rod; 50. a driving motor; 60. a stirring shaft; 70. stirring paddles.

Detailed Description

The present utility model will be described with priority in the following description with reference to the drawings and the specific embodiments, and it should be noted that, on the premise of no conflict, new embodiments may be formed by any combination of the embodiments or technical features described below.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "horizontal," "vertical," "top," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; either directly, indirectly, through intermediaries, or in communication with each other. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Embodiments are described below:

referring to fig. 1, the present utility model shows a reaction kettle, which comprises a kettle body 10, wherein a gas pipe 20 and an exhaust port 101 are provided on the kettle body 10, one end of the gas pipe 20 is located in the kettle body 10, the other end of the gas pipe 20 is communicated with a gas supply device located outside the kettle body 10, and the gas supply device is used for conveying nitrogen or inert gas which is positive pressure relative to the ambient pressure into the kettle body 10 so as to extrude air in the kettle body 10 to the exhaust port 101 for discharge. When the reaction kettle is used, firstly, mixed materials are placed in the kettle body 10 from the feed inlet 102, then, the air supply device is opened, and the pressure of nitrogen and/or inert gas which is input into the kettle body 10 through the air supply pipe 20 is regulated, so that the pressure of the nitrogen or the inert gas is positive relative to the ambient pressure, and of course, the nitrogen or the inert gas is continuously introduced into the kettle body 10 all the time, so that air in the kettle body 10 is extruded to the exhaust port 101 to be discharged, the reaction environment in the kettle body 10 achieves the effect of isolating the air, and further, the mixed materials can be effectively prevented from oxidizing with oxygen in the reaction kettle; meanwhile, the reaction environment in the kettle body 10 is isolated from air by using a gas replacement mode, and compared with the traditional vacuum extraction mode, the utility model is more beneficial to adding reactants into the reaction kettle in the follow-up process, and meets the reaction requirements of certain mixed materials in the reaction kettle.

In this embodiment, the gas supply device includes a gas supply bottle, a check valve and a pressure regulating valve, the gas supply bottle is communicated with the gas pipe 20 through a connecting pipe, the gas supply bottle is used for supplying nitrogen and/or inert gas, the check valve is arranged at the mouth of the gas supply bottle, and the pressure regulating valve is arranged on the connecting pipe and is used for regulating the pressure of gas entering the kettle body 10. It can be seen that when nitrogen and/or inert gas is required to be supplied into the kettle body 10, the nitrogen and/or inert gas supplied into the kettle body 10 can be regulated by regulating the valve of the pressure regulating valve.

The chemical properties of the nitrogen and the inert gas are inactive, so that the nitrogen and the inert gas do not react with the mixed materials in the kettle body 10, and the reaction effect of the mixed materials in the kettle body 10 is not affected.

In this embodiment, an oxygen detector is provided on the kettle body 10, and the oxygen detector is used for detecting the oxygen content of the gas in the kettle body 10. That is, the oxygen content in the kettle body 10 can be known in real time by the oxygen detector, so that the flow rate of the nitrogen and/or inert gas to be delivered to the kettle body 10 can be conveniently regulated.

In this embodiment, the kettle body 10 is further provided with a pressure detecting device, and the pressure detecting device is used for detecting the pressure in the kettle body 10. Specifically, the pressure detecting means includes a pressure sensor by which the pressure in the tank body 10 is detected, so that an operator can know the pressure in the tank body 10 in real time.

In this embodiment, the kettle body 10 is further provided with a heating rod 40 for heating the solid-liquid mixture in the kettle body 10, and the solid-liquid mixture in the kettle body 10 is heated by the heating rod 40 to make the reaction more complete.

On the basis of the structure, the reaction kettle further comprises a driving device and a stirring shaft 60, one end of the stirring shaft 60 is positioned in the kettle body 10 and is connected with a stirring paddle 70, the driving device comprises a driving motor 50, and the driving motor 50 is fixed outside the kettle body 10 through a motor fixing frame and is in driving connection with the other end of the stirring shaft 60 and is used for driving the stirring shaft 60 to drive the stirring paddle 70 to stir materials in the kettle body 10. That is, it can be understood that in the process of reacting the solid-liquid mixture in the kettle body 10, the stirring shaft 60 is driven to rotate by the driving motor 50, so as to drive the stirring paddles 70 to stir the mixture in the kettle body 10, thereby making the reaction area of the mixture more sufficient. Of course, the kettle body 10 is further provided with a sampling port communicated with the inner cavity of the kettle body, the reactant in the kettle body 10 is sampled and detected through the sampling port, and when the detection meets the requirement, the reactant can be discharged through a discharge port (not shown) of the kettle body 10.

In this embodiment, an interlayer sleeve 30 is sleeved on the outer wall of the lower end portion of the kettle body 10, an interlayer space 301 is formed between the inner wall of the interlayer sleeve 30 and the outer wall of the kettle body 10, and a cooling liquid is arranged in the interlayer space 301 and used for cooling the kettle body 10. Of course, a temperature sensor may be provided in the tank 10, and the temperature inside the tank 10 may be detected by the temperature sensor. When the temperature in the kettle body 10 is higher, the kettle body 10 can be cooled by conveying the cooling liquid into the interlayer sleeve 30, so that the reaction temperature of the mixed material in the kettle body 10 is controlled.

In this embodiment, the interlayer sleeve 30 is provided with a cooling water inlet 302 and a cooling water outlet 303, the cooling water inlet 302 is disposed at one end of the interlayer sleeve 30, and the cooling water outlet 303 is disposed at the other end of the interlayer sleeve 30. Wherein the cooling water inlet 302 is used for guiding cooling liquid into the interlayer space 301, and the cooling water outlet 303 is used for guiding cooling liquid out of the interlayer space 301, so that the cooling liquid circulates. It will be appreciated that the coolant is in a flowing state in the interlayer space 301, so that the coolant achieves an optimal cooling effect on the kettle body 10.

In this embodiment, a spiral guide plate 31 is disposed in the interlayer space 301, and through the spiral guide plate 31, the cooling liquid can be discharged from the cooling water inlet 302 along the self spiral flow channel to the cooling water outlet 303, so as to achieve the effect of slowly cooling the kettle body 10, thereby cooling and controlling the temperature of the mixture in the kettle body 10.

In this embodiment, the air pipe 20 is obliquely arranged from top to bottom, and the fixing member for fixing the air pipe 20 is arranged in the kettle body 10, so that the fixing member is convenient to fix the air pipe 20 by obliquely arranging the air pipe 20 from top to bottom.

The above embodiments are only preferred embodiments of the present utility model, and the scope of the present utility model is not limited thereto, but any insubstantial changes and substitutions made by those skilled in the art on the basis of the present utility model are intended to be within the scope of the present utility model as claimed.

Claims

1. The utility model provides a reation kettle, includes the cauldron body (10), its characterized in that, be provided with gas-supply pipe (20) and gas vent (101) on the cauldron body (10), the one end of gas-supply pipe (20) is located in the cauldron body (10), the other end intercommunication of gas-supply pipe (20) has to be located the external air feeder of the cauldron body (10), air feeder is used for to carry for the nitrogen gas and/or the inert gas of ambient pressure for the malleation in the cauldron body (10), in order to with the air extrusion in the cauldron body (10) to gas vent (101) discharge.

2. A reaction kettle as claimed in claim 1, wherein an oxygen detector is arranged on said kettle body (10), said oxygen detector being adapted to detect the oxygen content of the gas in said kettle body (10).

3. A reaction kettle as claimed in claim 1, wherein said kettle body (10) is further provided with pressure detecting means for detecting the pressure in said kettle body (10).

4. A reaction kettle as claimed in claim 1, wherein said gas pipe (20) is inclined from top to bottom, and a fixing member for fixing said gas pipe (20) is provided in said kettle body (10).

5. The reaction kettle as claimed in claim 1, further comprising a driving device and a stirring shaft (60), wherein one end of the stirring shaft (60) is located in the kettle body (10) and is connected with a stirring paddle (70), and the driving device is arranged outside the kettle body (10) and is in driving connection with the other end of the stirring shaft (60), and is used for driving the stirring shaft (60) to drive the stirring paddle (70) to stir materials in the kettle body (10).

6. The reaction kettle as claimed in claim 1, wherein an interlayer sleeve (30) is sleeved on the outer wall of the lower end part of the kettle body (10), an interlayer space (301) is formed between the inner wall of the interlayer sleeve (30) and the outer wall of the kettle body (10), and a cooling liquid is arranged in the interlayer space (301) and used for cooling the kettle body (10).

7. The reaction kettle as claimed in claim 6, wherein a cooling water inlet (302) and a cooling water outlet (303) are arranged on the interlayer sleeve (30), the cooling water inlet (302) is arranged at one end of the interlayer sleeve (30), the cooling water outlet (303) is arranged at the other end of the interlayer sleeve (30), the cooling water inlet (302) is used for guiding the cooling liquid into the interlayer space (301), and the cooling water outlet (303) is used for guiding the cooling liquid out of the interlayer space (301).

8. A reactor according to claim 7, wherein a spiral deflector is provided in the interlayer space (301) for enabling the coolant to be discharged from the coolant inlet (302) along its own spiral flow path to the coolant outlet (303).

9. A reaction kettle as claimed in claim 1, wherein a heating rod (40) is further arranged on the kettle body (10), and the heating rod (40) is used for heating the solid-liquid mixture in the kettle body (10).

10. A reaction kettle as claimed in claim 1, wherein said gas supply means comprises a gas supply bottle, a check valve and a pressure regulating valve, said gas supply bottle being in communication with said gas supply pipe (20) via a connecting pipe, said gas supply bottle being adapted to supply nitrogen and/or inert gas, said check valve being provided at a mouth of said gas supply bottle, said pressure regulating valve being provided on said connecting pipe for regulating the pressure of gas entering said kettle body (10).