CN215654853U - Device for preparing acylation liquid - Google Patents
Device for preparing acylation liquid Download PDFInfo
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- CN215654853U CN215654853U CN202122225348.9U CN202122225348U CN215654853U CN 215654853 U CN215654853 U CN 215654853U CN 202122225348 U CN202122225348 U CN 202122225348U CN 215654853 U CN215654853 U CN 215654853U
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Abstract
The utility model discloses a device for preparing an acylation liquid, which comprises a kettle body, a feeding pump, a feeding port cover and a stirrer, wherein the kettle body defines a cavity, the kettle body is provided with a first feeding port, a second feeding port, a stirring port and a liquid outlet which are communicated with the cavity, and the feeding pump is hermetically connected with the second feeding port so as to add an acylation agent into the second feeding port; the charging opening cover is detachably sealed and arranged on the first charging opening in a sealing way; one part of the stirrer is inserted in the stirring port in a sealing manner, the stirrer comprises a stirring shaft and stirring blades, the stirring blades are arranged on the stirring shaft, and the stirring blades and at least one part of the stirring shaft are arranged in the cavity. The device for preparing the acylation liquid has the advantages of good stability and uniformity of the prepared acylation liquid and the like.
Description
Technical Field
The utility model relates to the technical field of chemical equipment, in particular to a device for preparing acylation liquid.
Background
2, 6-naphthalene dicarboxylic acid is an important intermediate for manufacturing polyester fibers and F-grade insulating materials with high strength and excellent dyeing property. The molecular structure of 2, 6-naphthalene dicarboxylic acid is highly symmetrical, and the poly-ethylene-2, 6-naphthalene dicarboxylate (PEN) obtained by reacting with ethylene glycol has the characteristics of a linear chain polymer, and is a high-performance material with good rigidity, high strength and excellent hot workability.
2-methyl-6-acylnaphthalene is an important raw material for preparing 2, 6-naphthalenedicarboxylic acid, and 2-methylnaphthalene is widely available, inexpensive and readily available, and for example, coal tar and ethylene tar each contain a large amount of 2-methylnaphthalene, and therefore, it is very significant to prepare 2-methyl-6-acylnaphthalene by acylation reaction using 2-methylnaphthalene as a raw material.
In the acylation reaction, the preparation of the acylation liquid is very critical, and specifically, anhydrous aluminum trichloride is dissolved in nitrobenzene, and propionyl chloride is added to prepare the acylation liquid. The quality of the acylation liquid directly affects the quality of the acylation reaction, and further affects the yield of chemical products, so that the prepared acylation liquid is required to have high stability and high uniformity.
SUMMERY OF THE UTILITY MODEL
The present invention is based on the discovery and recognition by the inventors of the following facts and problems:
the preparation process of the acylation liquid mainly has the following problems:
(1) the anhydrous aluminum trichloride is slow in dissolution, so that the preparation time of the acylation liquid is long, and the acylation liquid cannot be quickly prepared for use;
(2) the acylating agent is exposed to the external environment in the addition process, so that the acylating agent is easy to hydrolyze into an acidic material to generate white acid mist, thereby polluting the environment;
(3) during the preparation process and the prepared acylation liquid is easy to contact with the external environment to be hydrolyzed, for example, anhydrous aluminum trichloride is easy to contact with the external environment to be hydrolyzed into hydrochloric acid and insoluble aluminum hydroxide, so that the prepared acylation liquid has poor uniformity.
The embodiment of the utility model provides a device for preparing an acylation liquid, so as to prepare the acylation liquid with high stability and high uniformity.
The device for preparing the acylation liquid of the embodiment of the utility model comprises:
the kettle body is provided with a first charging opening, a second charging opening, a stirring opening and a liquid outlet which are communicated with the cavity, and each of the first charging opening, the second charging opening and the stirring opening is arranged above the liquid outlet;
the charging port cover is detachably sealed and arranged on the first charging port in a sealing way;
the feeding pump is hermetically connected with the second feeding port so as to add an acylating agent into the second feeding port; and
the stirrer is arranged in the stirring port in a sealed inserting mode, comprises a stirring shaft and stirring blades, the stirring blades are arranged on the stirring shaft, and the stirring blades and at least one part of the stirring shaft are arranged in the cavity.
The device for preparing the acylation liquid provided by the embodiment of the utility model has the advantages of good stability and uniformity of the prepared acylation liquid and the like.
In some embodiments, the material of the stirring shaft and the stirring blades is metal, the stirrer further comprises a shaft anti-corrosion layer and a blade anti-corrosion layer, the shaft anti-corrosion layer is coated on at least one part of the stirring shaft, and the blade anti-corrosion layer is coated on the stirring blades.
In some embodiments, the device for preparing the acylation liquid further comprises a thermometer, the kettle body is provided with a temperature sensor communicated with the cavity, a part of the thermometer is inserted in the temperature measuring port in a sealing manner, and the detection end of the temperature sensor is arranged in the cavity.
In some embodiments, the device for preparing the acylation liquid further comprises a pH meter, the kettle body is provided with a pH meter port communicated with the chamber, a part of the pH meter is inserted in the pH meter port in a sealing manner, and the detection end of the pH meter is arranged in the chamber.
In some embodiments, the kettle body comprises:
the liquid outlet is arranged on the shell, and the upper end of the shell is open; and
the upper cover is sealed and assembled on the shell, the cavity is limited by the shell and the upper cover, and each of the first feeding opening, the second feeding opening and the stirring opening is arranged on the upper cover.
In some embodiments, the kettle body further comprises a jacket, the jacket is sleeved on the shell, and the jacket is provided with a first heat exchange medium inlet and a first heat exchange medium outlet.
In some embodiments, the device for preparing the acylation liquid further comprises a heating device, the heating device is provided with a second heat exchange medium inlet and a second heat exchange medium outlet, the first heat exchange medium outlet is connected with the second heat exchange medium inlet, and the first heat exchange medium inlet is connected with the second heat exchange medium outlet.
In some embodiments, the first addition port has an inner diameter of 40mm to 60 mm.
In some embodiments, the apparatus for preparing an acylation liquid further comprises a control valve, wherein the control valve is arranged on the liquid outlet so as to control the on-off of the liquid outlet.
In some embodiments, the material of the kettle body is borosilicate glass.
Drawings
FIG. 1 is a perspective view of an apparatus for preparing an acylate solution according to an embodiment of the present invention.
FIG. 2 is a schematic view of the internal structure of the autoclave body in FIG. 1.
Fig. 3 is a schematic diagram of the structure of the pH meter in fig. 2.
Reference numerals:
an apparatus 100 for preparing an acylation liquid;
a kettle body 1; a first feed port 101; a second feed port 102; a stirring port 103; a liquid outlet 104; a control valve 1041; a temperature measuring port 105; a pH meter port 106; a housing 107; an upper cover 108; a jacket 109; a first heat exchange medium inlet 1091; a first heat exchange medium outlet 1092; a chamber 110;
a charging port cover 2;
a stirrer 3; a stirring shaft 301; a stirring blade 302;
a pH meter 4;
a temperature sensor 5;
a feed pump 6; a hose 600;
a glass cover 10; a mating surface 1001.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.
As shown in FIGS. 1 and 2, an apparatus 100 for preparing an acylate according to an embodiment of the present invention includes a tank 1, a feed port cover 2, a feed pump 6, and a stirrer 3.
The kettle body 1 defines a chamber 110, and the kettle body 1 is provided with a first feed inlet 101, a second feed inlet 102, a stirring port 103 and a liquid outlet 104 which are communicated with the chamber 110. Each of the first addition port 101, the second addition port 102, and the stirring port 103 is disposed above the liquid outlet 104.
Thus, the solvent and Lewis catalyst for preparing the acylation solution can be introduced into the chamber 110 through the first feed port 101, and the acylation agent can be introduced into the chamber 110 through the second feed port 102. The prepared acylation liquid can flow out through the liquid outlet 104. Wherein the solvent can be nitrobenzene, and the Lewis catalyst can be AlCl3、BF3、ZnCl2Or FeCl3The acylating agent may be at least one acylating agent selected from an acetylating agent, a propionylating agent or a butyrylating agent.
The filler cap 2 is detachably sealed and attached to the first filler port 101. When the materials (the solvent and the Lewis catalyst for preparing the acylation liquid) need to be added into the kettle body 1, the material inlet cover 2 is taken down from the first material inlet 101, and after the materials are added, the material inlet cover 2 is sealed and tightly arranged on the first material inlet 101 in time, so that the contact time of the solvent and the Lewis catalyst with the external environment is reduced, and the time of exposing the cavity 110 to the external environment through the first material inlet 101 is reduced.
The addition pump 6 is hermetically connected to the second addition port 102 to add an acylating agent into the second addition port 102. Therefore, during and after the charging of the chamber 110 by the charging pump 6, the acylating agent can be effectively prevented from contacting the external environment, and the chamber 110 is prevented from being exposed to the external environment through the second charging opening 102.
A part of the stirrer 3 is hermetically inserted into the stirring port 103, the stirrer 3 includes a stirring shaft 301 and a stirring blade 302, the stirring blade 302 is disposed on the stirring shaft 301, and at least a part of the stirring blade 302 and the stirring shaft 301 is disposed in the chamber 110. Therefore, on one hand, the stirrer 3 can be used for fully stirring and mixing the materials in the cavity 110, so that the Lewis catalyst is fully dissolved, and the preparation efficiency of the acylation liquid is improved; on the other hand, a part of the stirrer 3 is hermetically inserted into the stirring port 103, so that the stirring port 103 is always sealed in the working process of the stirrer 3, and the chamber 110 is prevented from being exposed to the external environment through the stirring port 103.
In the process of preparing the acylation liquid by using the device 100 for preparing the acylation liquid provided by the embodiment of the utility model, the Lewis catalyst can be fully and quickly dissolved in the solvent due to the stirring effect of the stirrer 3; because the materials (the solvent, the Lewis catalyst and the acylating agent) and the chamber 110 are less in contact with the external environment, the contact between the solvent, the Lewis catalyst and the acylating agent and the external environment can be effectively reduced or even avoided, the contact between the solvent, the Lewis catalyst and the acylating agent and moisture and the like can be effectively reduced or even avoided in the process of preparing the acylated liquid, and the stability and the uniformity of the prepared acylated liquid are better.
Therefore, the apparatus 100 for preparing an acylation liquid according to an embodiment of the present invention has advantages of good stability and uniformity of the prepared acylation liquid.
As shown in fig. 1 and 2, in some embodiments, the autoclave body 1 includes a housing 107 and an upper cover 108, the liquid outlet 104 is disposed on the housing 107, and an upper end of the housing 107 is open; the cover 108 is sealingly attached to the housing 107, the housing 107 and the cover 108 defining a chamber 110. Each of the first feed opening 101, the second feed opening 102, and the agitating opening 103 is provided on the upper cover 108.
Therefore, when the kettle body 1 is processed, the shell 107 and the upper cover 108 can be separately processed, so that the kettle body 1 can be conveniently processed.
In some embodiments, as shown in fig. 2, the kettle body 1 further comprises a jacket 109, the jacket 109 is sleeved on the shell 107, and the jacket 109 has a first heat exchange medium inlet 1091 and a first heat exchange medium outlet 1092.
Thus, the heat exchange medium flows into the jacket 109 through the first heat exchange medium inlet 1091, exchanges heat with the material in the chamber 110 through the shell 107, and then flows out of the jacket 109 through the first heat exchange medium outlet 1092. Therefore, the materials in the cavity 110 are heated, the temperature in the cavity 110 is kept at the preset temperature suitable for the Lewis catalyst solvent, the Lewis catalyst is rapidly dissolved in the solvent, the preparation time of the acylation liquid is greatly shortened, and the preparation efficiency of the acylation liquid is improved.
The heat exchange medium can adopt liquid such as water, oil and the like.
Optionally, the material of the kettle body is borosilicate glass. Therefore, the condition in the kettle body is convenient to observe.
In some embodiments, the apparatus 100 for preparing an acylation liquid further comprises a heating device, the heating device is provided with a second heat exchange medium inlet and a second heat exchange medium outlet, the first heat exchange medium outlet 1092 is connected with the second heat exchange medium inlet, and the first heat exchange medium inlet 1091 is connected with the second heat exchange medium outlet.
Therefore, the heat exchange medium heated by the heating device flows to the first heat exchange medium inlet 1091 through the second heat exchange medium outlet, the heat exchange medium flows to the jacket 109 through the first heat exchange medium inlet 1091, and the heat exchange medium in the jacket 109 is used for heating the material in the chamber 110; then, the heat exchange medium in the jacket 109 flows out of the jacket 109 through the first heat exchange medium outlet 1092, and flows back to the heating device through the second heat exchange medium inlet to be heated by the heating device, so that the heat exchange medium can circularly flow between the heating device and the kettle body 1, the temperature of the heat exchange medium is effectively ensured to be always kept at the preset temperature, and the temperature in the chamber 110 is conveniently kept at the preset temperature suitable for the Lewis catalyst solvent.
In some embodiments, the device 100 for preparing the acylation liquid further comprises a temperature sensor 5, the kettle body 1 is provided with a temperature measuring port 105 communicated with the cavity 110, a part of the temperature sensor 5 is hermetically inserted into the temperature measuring port 105 of the temperature sensor 5, and the detection end of the temperature sensor 5 is arranged in the cavity 110.
From this, utilize temperature sensor 5 can carry out real-time detection to the material temperature in the cavity 110, make the acylation liquid prepare the material in the in-process cavity 110 and be in all the time and predetermine the temperature, be favorable to improving the preparation efficiency of acylation liquid.
Optionally, the apparatus 100 for preparing the acylation liquid further comprises a controller, and each of the temperature sensor 5 and the heating device is connected to the controller.
Thereby, the temperature of the material in the chamber 110 detected by the temperature sensor 5 is transferred to the controller so that the heating means is controlled by the controller. For example, when the temperature detected by the temperature sensor 5 is higher than the preset temperature, the controller controls the heating device to stop heating, so as to prevent the material in the chamber 110 from being higher than the preset temperature; when the temperature detected by the temperature sensor 5 is lower than the preset temperature, the controller controls the heating device to start heating so as to prevent the material in the chamber 110 from being lower than the preset temperature.
Optionally, the controller is model DSC 350.
In some embodiments, the first addition port 101 has an inner diameter of 40mm to 60 mm.
For example, the inner diameter of the first feed opening 101 is 50mm, and the diameter of the first feed opening 101 is large. Therefore, the first feeding port 101 is beneficial to the solvent and the Lewis catalyst to be rapidly added into the cavity 110 of the kettle body 1, the contact time of the solvent and the Lewis catalyst with the external environment is further reduced, and the deterioration of the solvent and the Lewis catalyst due to the overlong contact time with the external environment is effectively avoided. For example, Lewis catalysts (anhydrous aluminum chloride) undergo hydrolysis. Is beneficial to improving the stability and the uniformity of the prepared acylation liquid.
Optionally, the material of the charging port cover 2 is polytetrafluoroethylene.
The polytetrafluoroethylene has the characteristics of acid resistance, alkali resistance and organic solvent resistance, has good sealing effect, and can ensure the sealing property of the first feeding port 101 without influencing the quality of prepared acylation liquid.
Optionally, the exit port 104 is disposed at the bottom of the chamber 110.
Thus, the prepared acylation liquid can flow out of the kettle body 1 by the self weight.
Optionally, the agitator 3 is connected to a controller for controlling the rotational speed of the agitator using the controller.
In some embodiments, the charge pump 6 is a peristaltic pump.
Optionally, the second feed inlet 102 is a ground opening, the second feed inlet 102 is connected with the pagoda joint in a sealing manner, and the discharge pipe of the peristaltic pump is connected with the pagoda joint in a sealing manner.
Alternatively, as shown in FIG. 1, a peristaltic pump is connected to second fill port 102 via a hose 600.
Therefore, the flow rate of the acylating agent added into the chamber 110 of the kettle body 1 can be controlled by adjusting the flow rate of the peristaltic pump, so that the amount of the acylating agent added into the chamber 110 can be conveniently controlled, and the stability and the uniformity of the prepared acylating solution can be further improved.
The hose may be a polytetrafluoroethylene tube.
In some embodiments, the material of the stirring shaft 301 and the stirring blade 302 is metal, and the stirrer 3 includes a shaft anti-corrosion layer and a blade anti-corrosion layer, wherein the shaft anti-corrosion layer is coated on a part of the stirring shaft 301, and the blade anti-corrosion layer is coated on the stirring blade 302.
Optionally, the stirring shaft 301 and the stirring blade 302 are made of stainless steel, and the shaft anti-corrosion layer and the blade anti-corrosion layer are made of polytetrafluoroethylene.
The stirring shaft 301 and the stirring blades 302 are made of metal materials, so that the stirring shaft 301 and the stirring blades 302 can be effectively guaranteed to have enough structural strength. The stirring shaft 301 is coated with the shaft anti-corrosion layer, and the stirring blade 302 is coated with the blade anti-corrosion layer, so that the metal material parts of the stirring shaft 301 and the stirring blade 302 can be prevented from contacting with a solvent, a Lewis catalyst and an acylating agent, the corrosion of the stirring shaft 301 and the stirring blade 302 can be avoided, and the corrosion product can be prevented from entering the acylating solution to influence the quality of the prepared acylating solution.
As shown in FIG. 1, the apparatus 100 for preparing an acylation liquid further comprises a pH meter 4, the kettle body 1 is provided with a pH meter port 106 communicated with the chamber 110, a part of the pH meter 4 is hermetically inserted into the pH meter port 106, and the detection end of the pH meter 4 is arranged in the chamber 110.
Therefore, the pH meter 4 can be used for detecting the pH value of the material in the cavity 110 in real time, so that the preparation efficiency of the acylation liquid is improved, and the quality of the prepared acylation liquid is improved.
Optionally, the pH meter port 106 is a mill port. Thus, sealing of the pH meter port 106 is facilitated.
For example, as shown in fig. 3, a glass cover 10 is provided outside the pH meter 4, and the glass cover 10 has a tapered mating surface 1001, and the mating surface 1001 is in sealing engagement with the pH meter port 106.
Optionally, the pH meter 4 is SIN-PH 6.3-5022-AL/Y. As shown in fig. 2, in some embodiments, the apparatus 100 for dispensing an acylation liquid further includes a control valve 1041, and the control valve 1041 is disposed on the liquid outlet 104 so as to control the on/off of the liquid outlet 104.
Therefore, when the control valve 1041 is opened, the prepared acylation liquid flows out of the kettle body 1 through the liquid outlet 104, when the control valve 1041 is closed, the kettle body 1 is sealed, and the prepared acylation liquid is stored in the kettle body 1.
The process of preparing an acylate using the apparatus 100 for preparing an acylate according to an embodiment of the present invention will be described in detail below with reference to fig. 1 and 2:
firstly, the charging hole cover 2 is taken down from the first charging hole 101, nitrobenzene is added into the cavity 110 of the kettle body 1 through the first charging hole 101, then, the anhydrous aluminum chloride is added into the cavity 110 of the kettle body 1 through the first charging hole 101, and the charging hole cover 2 is sealed and arranged on the first charging hole 101 in time.
Then, the stirrer 3 and the heating device are turned on, so that the anhydrous aluminum chloride in the chamber 110 is rapidly dissolved in the nitrobenzene under the stirring action of the stirrer 3 and the heating action of the heating device.
Then, after the anhydrous aluminum chloride is completely dissolved in the nitrobenzene, the peristaltic pump is started to add the acylating agent into the chamber 110 at a preset flow rate, and the acylating solution is obtained under the stirring action of the stirrer 3.
Finally, when the use of the acylation liquid is required, the control valve 1041 is opened, and the prepared acylation liquid flows out from the liquid outlet 104. When the use of the acylation liquid is not required, the control valve 1041 is closed, and the rest of the acylation liquid is stored in the kettle body 1.
The device 100 for preparing the acylation liquid has good overall tightness, and the bottle cap does not need to be frequently opened in the process of preparing the acylation liquid, so that the contact between materials and the external environment is effectively avoided, the hydrolysis of anhydrous aluminum chloride caused by the contact with air is further avoided, and the stability and the uniformity of the acylation liquid are improved. Through heating device to the internal material of cauldron heat to and utilize the stirring effect of agitator, anhydrous aluminium chloride can dissolve fast, and the configuration is rapid, can accomplish existing usefulness and join in marriage. By adopting the peristaltic pump to dropwise add the acylating agent, the acylating agent is prevented from contacting the external environment and reacting with water in the external environment to generate acid gas, and the environment-friendly effect is achieved. In addition, the dropping speed of the acylating agent can be adjusted by the flow rate of a peristaltic pump, so that the dropping time and speed are more accurate.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the utility model.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the present disclosure, the terms "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" and the like mean that a specific feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present disclosure. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (10)
1. An apparatus for preparing an acylation liquid, comprising:
the kettle body is provided with a first charging opening, a second charging opening, a stirring opening and a liquid outlet which are communicated with the cavity, and each of the first charging opening, the second charging opening and the stirring opening is arranged above the liquid outlet;
the charging port cover is detachably sealed and arranged on the first charging port in a sealing way;
the feeding pump is hermetically connected with the second feeding port so as to add an acylating agent into the second feeding port; and
the stirrer is arranged in the stirring port in a sealed inserting mode, comprises a stirring shaft and stirring blades, the stirring blades are arranged on the stirring shaft, and the stirring blades and at least one part of the stirring shaft are arranged in the cavity.
2. The apparatus of claim 1, wherein the stirring shaft and the stirring blade are made of metal, and the stirrer further comprises a shaft anti-corrosion layer coated on at least a portion of the stirring shaft and a blade anti-corrosion layer coated on the stirring blade.
3. The apparatus of claim 1, further comprising a temperature sensor, wherein the kettle body has a temperature measuring port communicated with the chamber, a part of the temperature sensor is hermetically inserted in the temperature measuring port, and a detection end of the temperature sensor is arranged in the chamber.
4. The apparatus for preparing an acylation liquid according to claim 1, further comprising a pH meter, wherein the kettle body 1 has a pH meter port communicating with the chamber, a part of the pH meter is hermetically inserted into the pH meter port, and a detection end of the pH meter is arranged in the chamber.
5. The apparatus for preparing an acylation liquid according to any one of claims 1 to 4, wherein the tank body comprises:
the liquid outlet is arranged on the shell, and the upper end of the shell is open; and
the upper cover is sealed and assembled on the shell, the cavity is limited by the shell and the upper cover, and each of the first feeding opening, the second feeding opening and the stirring opening is arranged on the upper cover.
6. The apparatus for preparing acylation liquid according to claim 5, wherein the kettle further comprises a jacket, the jacket is sleeved on the shell, and the jacket is provided with a first inlet of heat exchange medium and a first outlet of heat exchange medium.
7. The apparatus for preparing an acylation liquid according to claim 6, further comprising a heating device having a second heat exchange medium inlet and a second heat exchange medium outlet, wherein the first heat exchange medium outlet is connected to the second heat exchange medium inlet, and the first heat exchange medium inlet is connected to the second heat exchange medium outlet.
8. The apparatus for preparing an acylate solution according to any one of claims 1 to 4, wherein an inner diameter of the first addition port is from 40mm to 60 mm.
9. The apparatus for preparing an acylate solution according to any one of claims 1 to 4, further comprising a control valve provided at the liquid outlet so as to control opening and closing of the liquid outlet.
10. The apparatus for preparing an acylation liquid according to any one of claims 1 to 4, wherein the material of the tank body is borosilicate glass.
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| CN202122225348.9U CN215654853U (en) | 2021-09-14 | 2021-09-14 | Device for preparing acylation liquid |
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| CN202122225348.9U CN215654853U (en) | 2021-09-14 | 2021-09-14 | Device for preparing acylation liquid |
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