CN114146659B - Acetic anhydride apparatus for producing with automatic monitoring function - Google Patents

Acetic anhydride apparatus for producing with automatic monitoring function Download PDF

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Publication number
CN114146659B
CN114146659B CN202111340450.1A CN202111340450A CN114146659B CN 114146659 B CN114146659 B CN 114146659B CN 202111340450 A CN202111340450 A CN 202111340450A CN 114146659 B CN114146659 B CN 114146659B
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pipe
production
fixed
tank
communicated
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CN114146659A (en
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周海滨
张旭
杨剑波
方建平
李秀娟
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Laohekou Ruixiang Chemical Co ltd
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Laohekou Ruixiang Chemical Co ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/18—Stationary reactors having moving elements inside
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/0006—Controlling or regulating processes
    • B01J19/0013—Controlling the temperature of the process
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/0053—Details of the reactor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/0053—Details of the reactor
    • B01J19/0066—Stirrers
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/54—Preparation of carboxylic acid anhydrides
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D31/00—Other cooling or freezing apparatus
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D7/02—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being helically coiled
    • F28D7/024—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being helically coiled the conduits of only one medium being helically coiled tubes, the coils having a cylindrical configuration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049—Controlling or regulating processes
    • B01J2219/00051—Controlling the temperature
    • B01J2219/00074—Controlling the temperature by indirect heating or cooling employing heat exchange fluids
    • B01J2219/00087—Controlling the temperature by indirect heating or cooling employing heat exchange fluids with heat exchange elements outside the reactor
    • B01J2219/00092—Tubes
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/10—Process efficiency

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Combustion & Propulsion (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Biological Treatment Of Waste Water (AREA)

Abstract

The invention discloses an acetic anhydride production device with an automatic monitoring function, which comprises a production table, wherein a water tank, a production tank and a spray tank are sequentially fixed at the top of the production table from right to left, a feed pipe is communicated with the surface of the production tank, vertical plates are fixed at the front and the rear of the top of the spray tank, a first pump is fixed at the top of the production table, a water inlet of the first pump is communicated with the front of the water tank through a first guide pipe, and a water outlet of the first pump is communicated with a second guide pipe. This acetic anhydride apparatus for producing with automatic monitoring function, through the setting of evenly spraying mechanism, the rivers of the utilization of being convenient for blowout are as power for shower nozzle spun hydroenergy is broken up by the board of scattering, makes water smoke can diffuse around whole bull acetic anhydride heat absorption pipe, improves the injection range, can cool down to bull acetic anhydride heat absorption pipe surface fast, and then can improve the cooling efficiency to acetic anhydride.

Description

Acetic anhydride apparatus for producing with automatic monitoring function
Technical Field
The invention relates to the technical field of acetic anhydride production, in particular to an acetic anhydride production device with an automatic monitoring function.
Background
Acetic anhydride is acetic anhydride, colorless transparent liquid, has strong acetic acid smell, strong acid taste, hygroscopicity, is dissolved in chloroform and diethyl ether, is slowly dissolved in water to form acetic acid, and reacts with ethanol to form ethyl acetate. The relative density is 1.080g/cm3, the melting point is-73 ℃, the boiling point is 139 ℃, the refractive index is 1.3904, the flash point is 49 ℃, and the burning point is 400 ℃. Low toxicity, and half lethal dose (rats, oral) 1780mg/Kg. Inflammable, corrosive, and tear-promoting without touching the skin or eyes.
According to the combined spray device for producing acetic anhydride, the device comprises a circulating water tank unit, a spray water pipe unit, a supporting unit, a pipeline connecting unit and a spray unit, wherein the circulating water tank unit comprises a water storage tank, a first supporting plate and a circulating water outlet pipe, the circulating water outlet pipe is positioned at the right lower corner of the water storage tank, the first supporting plate is positioned at the middle part of the upper end of the water storage tank, a pressure water tank is arranged on the first supporting plate, the combined spray device for producing acetic anhydride is uniform in spray, cold water can be fully utilized, the cold water is fully contacted with an acetic anhydride pipeline, the cooling effect is good, but when a water spraying mode is adopted, a plurality of spray heads are needed, the spray range is small, water mist is inconvenient to break up, and the cooling efficiency needs to be further improved.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the acetic anhydride production device with the automatic monitoring function, and solves the problems that when a water spraying mode is adopted, a plurality of spray heads are needed, the spraying range is small, water mist is not convenient to break up, and the cooling efficiency is needed to be further improved.
In order to achieve the above purpose, the invention is realized by the following technical scheme: the utility model provides an acetic anhydride apparatus for producing with automatic monitoring function, includes the production platform, the top of production platform is fixed with water tank, production jar and spray box in proper order from the right to left, the surface intercommunication of production jar has the inlet pipe, the place ahead and the rear at spray box top all are fixed with the riser, the top of production platform is fixed with first pump, the water inlet of first pump is through the place ahead intercommunication of first pipe with the water tank, the delivery port intercommunication of first pump has the second pipe, the top of spray box is fixed with the bull acetic anhydride heat absorption pipe, the surface intercommunication of bull acetic anhydride heat absorption pipe has first conveyer pipe, the one end of first conveyer pipe runs through the production platform and communicates with the bottom of production jar, the top of production platform is fixed with the second pump, the one end of second pump is through the surface intercommunication of second conveyer pipe and multi-head acetic anhydride heat absorption pipe, two be provided with even mechanism between the riser, the top of production platform is provided with auxiliary heat dissipation mechanism, be provided with stirring subassembly on the production jar.
The even spraying mechanism is including fixing the violently pipe between two riser inboards, violently pipe's one end and the one end intercommunication of second pipe, two be fixed with the connecting strip between the inboard of riser, violently pipe surface's below intercommunication has the shower nozzle, violently pipe surface's below still communicates has a water outlet nozzle, two rotate between the inboard of riser and have the axle, the fixed surface of axle has the drive plate, the drive plate is located the below of water outlet nozzle, the top of connecting strip has rotated pivot, bull stick in proper order from front to back, the fixed surface of axle has first bevel gear, the fixed surface of bull stick has the second bevel gear that meshes with first bevel gear, the fixed surface of bull stick has first belt pulley, the fixed surface of pivot has the second belt pulley, be connected through belt drive between the surface of first belt pulley and second belt pulley, the fixed surface of pivot has the board that beats, the board that beats is located the below of shower nozzle.
Preferably, the auxiliary heat dissipation mechanism comprises a cooling coil wound on the surface of the production tank, the surface of the second conduit is communicated with a first connecting pipe, and one end of the first connecting pipe is communicated with one end of the cooling coil.
Preferably, the other end of the cooling coil is communicated with a return pipe, one end of the return pipe is communicated with the top of the water tank, and a condensing pipe is fixed in the water tank.
Preferably, the stirring assembly comprises a stirring motor fixed at the top of the production tank, and a stirring shaft is fixed on an output shaft of the stirring motor.
Preferably, the bottom end of the stirring shaft penetrates through the production tank and extends to the inside of the production tank, and the stirring paddle is fixed on the surface of the stirring shaft.
Preferably, a reflux pump is fixed at the top of the production table, and a liquid inlet of the reflux pump is communicated with a first folding pipe.
Preferably, one end of the first folding pipe is communicated with the surface of the spray tank, a liquid outlet of the reflux pump is communicated with the second folding pipe, and one end of the second folding pipe is communicated with the left side of the water tank.
Preferably, a temperature display is fixed on the top of the production tank, and the temperature display is connected with a temperature sensor inside the production tank.
Advantageous effects
The invention provides an acetic anhydride production device with an automatic monitoring function. Compared with the prior art, the method has the following beneficial effects:
(1) This acetic anhydride apparatus for producing with automatic monitoring function, including fixing the violently pipe between two riser inboards through evenly spraying the mechanism, the one end of violently pipe communicates with the one end of second pipe, be fixed with the connecting strip between the inboard of two risers, the below intercommunication on violently pipe surface has the shower nozzle, the below on violently pipe surface still communicates there is the play water spray pipe, rotate between the inboard of two risers and have the axle, the fixed surface of axle has the drive plate, the drive plate is located the below of play water spray pipe, the top of connecting strip rotates in proper order from front to the back has pivot, the bull stick, through evenly spraying the setting of mechanism, be convenient for utilize spun rivers as power, make shower nozzle spun hydroenergy broken up by the board, make water smoke can diffuse around whole bull acetic anhydride heat absorption pipe, improve the spray range, can cool down to bull acetic anhydride heat absorption pipe surface fast, and then can improve the cooling efficiency to acetic anhydride.
(2) This acetic anhydride apparatus for producing with automatic monitoring function, through including winding the cooling coil at the production jar surface at supplementary heat dissipation mechanism, the surface intercommunication of second pipe has first connecting pipe, and the one end of first connecting pipe communicates with cooling coil's one end, and cooling coil's the other end intercommunication has the back flow, and the one end and the top intercommunication of water tank of back flow, the inside of water tank are fixed with the condenser pipe, through supplementary heat dissipation mechanism's setting, be convenient for carry out preliminary cooling to the production jar surface, and then can carry out preliminary cooling to acetic anhydride, further improve cooling efficiency.
(3) This acetic anhydride apparatus for producing with automatic monitoring function is through including fixing the agitator motor at the production jar top at stirring subassembly, and agitator motor's output shaft is fixed with the (mixing) shaft, and the bottom of (mixing) shaft runs through the production jar and extends to the inside of production jar, and the fixed surface of (mixing) shaft has the stirring rake, through stirring subassembly's setting for the raw materials can fully mix the reaction, improves acetic anhydride's production efficiency.
Drawings
FIG. 1 is a perspective view of the structure of the present invention;
FIG. 2 is a schematic view of a partial structure of the present invention;
FIG. 3 is an enlarged view of a portion of the invention at A in FIG. 2;
FIG. 4 is a schematic view showing the internal structure of the water tank of the present invention;
FIG. 5 is a schematic view of a stirring assembly according to the present invention.
In the figure: 1-production bench, 2-water tank, 3-production tank, 4-spray tank, 5-feed pipe, 6-riser, 7-first pump, 8-first conduit, 9-second conduit, 10-multi-headed acetic anhydride absorber pipe, 11-first delivery pipe, 12-second pump, 13-second delivery pipe, 14-uniform spray mechanism, 141-cross pipe, 142-connection bar, 143-water outlet spray pipe, 144-shower head, 145-connection shaft, 146-drive plate, 147-rotation shaft, 148-rotation shaft, 149-first bevel gear, 1410-second bevel gear, 1411-first pulley, 1412-second pulley, 1413-belt, 1414-dispersion plate, 15-auxiliary heat dissipation mechanism, 151-cooling coil pipe, 152-first connection pipe, 153-return pipe, 154-condensation pipe, 16-stirring assembly, 161-stirring motor, 162-stirring shaft, 163-stirring paddle, 17-return pump, 18-first folding pipe, 19-second folding pipe, 20-temperature display.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without creative efforts, are within the protection scope of the invention.
Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides an acetic anhydride apparatus for producing with automatic monitoring function, including production platform 1, the top of production platform 1 is fixed with water tank 2 from right to left in proper order, production jar 3 and spray tank 4, the surface intercommunication of production jar 3 has inlet pipe 5, the place ahead and the rear at spray tank 4 top all are fixed with riser 6, the top of production platform 1 is fixed with first pump 7, be connected with external power source electricity and control through control switch, the water inlet of first pump 7 is through the place ahead intercommunication of first pipe 8 with water tank 2, the delivery port intercommunication of first pump 7 has second pipe 9, the top of spray tank 4 is fixed with multi-headed acetic anhydride heat absorption pipe 10, be in the same place of many pipelines connection, the surface intercommunication of multi-headed acetic anhydride heat absorption pipe 10 has first conveyer pipe 11, the one end of first conveyer pipe 11 runs through production platform 1 and communicates with the bottom of production jar 3, the top of production platform 1 is fixed with second pump 12, with external power source electric connection and control through control switch, the one end of second pump 12 is through second conveyer pipe 13 and the place ahead of the place of the acetic anhydride 2 communicates with two riser 6, the mechanism of production platform 1 is provided with the stirring mechanism 16, be provided with on the surface of two and evenly arranged with the stirring mechanism of the platform 1, the upper portion of the stirring mechanism is provided with 16.
The uniform spraying mechanism 14 comprises a transverse pipe 141 fixed between the inner sides of two vertical plates 6, one end of the transverse pipe 141 is communicated with one end of a second guide pipe 9, a connecting bar 142 is fixed between the inner sides of the two vertical plates 6, a spray head 144 is communicated below the surface of the transverse pipe 141, a water outlet spray pipe 143 is also communicated below the surface of the transverse pipe 141, a connecting shaft 145 is rotated between the inner sides of the two vertical plates 6, a driving plate 146 is fixed on the surface of the connecting shaft 145, the driving plate 146 is positioned below the water outlet spray pipe 143, a rotating shaft 147 and a rotating rod 148 are sequentially rotated from front to back at the top of the connecting bar 142, a first bevel gear 149 is fixed on the surface of the connecting shaft 145, a second bevel gear 1410 meshed with the first bevel gear 149 is fixed on the surface of the rotating rod 148, a first belt pulley 1411 is fixed on the surface of the rotating shaft 147, a second belt pulley 1412 is connected between the surfaces of the first belt pulley 1411 and the second belt pulley 1412 through a belt 1413 in a transmission manner, a scattering plate 1414 is fixed on the surface of the rotating shaft 147, and the scattering plate 1414 is positioned below the spray head 144.
In the embodiment of the invention, the auxiliary heat dissipation mechanism 15 comprises a cooling coil 151 wound on the surface of the production tank 3, and the surface of the second conduit 9 is communicated with a first connecting pipe 152, and one end of the first connecting pipe 152 is communicated with one end of the cooling coil 151.
In the embodiment of the invention, the other end of the cooling coil 151 is communicated with a return pipe 153, one end of the return pipe 153 is communicated with the top of the water tank 2, and a condensing pipe 154 is fixed in the water tank 2, is electrically connected with an external power supply and is controlled by a control switch.
In the embodiment of the present invention, the stirring assembly 16 includes a stirring motor 161 fixed at the top of the production tank 3, electrically connected to an external power source and controlled by a control switch, and a stirring shaft 162 is fixed at an output shaft of the stirring motor 161.
In the embodiment of the present invention, the bottom end of the stirring shaft 162 penetrates the production tank 3 and extends into the production tank 3, and the stirring paddle 163 is fixed on the surface of the stirring shaft 162.
In the embodiment of the invention, a reflux pump 17 is fixed at the top of the production table 1, is electrically connected with an external power supply and is controlled by a control switch, and a liquid inlet of the reflux pump 17 is communicated with a first folding pipe 18.
In the embodiment of the invention, one end of the first folding pipe 18 is communicated with the surface of the spray tank 4, the liquid outlet of the reflux pump 17 is communicated with the second folding pipe 19, and one end of the second folding pipe 19 is communicated with the left side of the water tank 2.
In the embodiment of the invention, the top of the production tank 3 is fixed with the temperature display 20, the temperature display 20 is connected with the temperature sensor inside the production tank 3, and the temperature inside the production tank 3 can be monitored in real time through the arrangement of the temperature display 20.
And all that is not described in detail in this specification is well known to those skilled in the art.
During operation, raw materials are led into the production tank 3 through the feeding pipe 5, through starting the stirring motor 161, and then drive the stirring paddle 163 through the stirring shaft 162 to rotate and stir and mix, through starting the first pump 7, water inside the water tank 2 is pumped into the first connecting pipe 152, then enter the cooling coil 151, the production tank 3 is rapidly cooled, further water flows and flows back into the water tank 2 again through the return pipe 153, the condensation pipe 154 is started to enable water in the water tank 2 to be in a low-temperature state all the time, the generated acetic anhydride can be pumped through starting the second pump 12, the acetic anhydride enters the multi-head acetic anhydride heat absorbing pipe 10 through the first conveying pipe 11, heat in the acetic anhydride is transferred to the multi-head acetic anhydride heat absorbing pipe 10, a part of water flows into the second conveying pipe 9 through the second conveying pipe 141, a part of water flow is sprayed out through the water outlet spray pipe 143, and the other part of the water flow is sprayed out through the spray head 144, when the water spray pipe 143 sprays water onto the driving plate 146, the first bevel gear 149 is driven to rotate, the pulley 148 is driven to rotate under the cooperation of the second bevel gear 1410, the first bevel gear 148 is driven to rotate, the first bevel gear 141148 is driven to rotate, the first bevel gear 1414 is driven to rotate, the water is driven to rotate the first bevel gear 1414 is driven to rotate, and then the water is driven to rotate the water spray the water is sprayed into the water through the second bevel gear 1414, and the water spraying pipe 1414 is further driven to rotate, and the water is sprayed into the water through the water spraying pipe 1414, and the water is sprayed into the water, and finally, and the water is cooled down through the water spraying pipe 1414.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (4)

1. Acetic anhydride apparatus for producing with automatic monitoring function, including production platform (1), its characterized in that: the utility model discloses a production system, including production platform (1), spray tank (4), production tank (3), riser (6), riser, first pump (7), second pump (12) are fixed with at the top of production platform (1), the place ahead intercommunication of water tank (2) is passed through first pipe (8) to the water inlet of first pump (7), the delivery port intercommunication of first pump (7) has second pipe (9), the top of spray tank (4) is fixed with multi-head acetic anhydride heat absorption pipe (10), the surface intercommunication of spray tank (4) has first conveyer pipe (11), the one end of first conveyer pipe (11) runs through production platform (1) and communicates with the bottom of production tank (3), the top of production platform (1) is fixed with second pump (12), the delivery mechanism of second end (12) has second pipe (9) through the place ahead intercommunication of first pipe (8) with water tank (2), the top of two conveyer pipes (6) is provided with the mechanism of cooling down, the mechanism of spraying (14) is provided with on the surface of two layers of the riser (1), the production tank (3) is provided with a stirring assembly (16);
the uniform spraying mechanism (14) comprises a transverse pipe (141) fixed between the inner sides of two vertical plates (6), one end of the transverse pipe (141) is communicated with one end of a second guide pipe (9), a connecting strip (142) is fixed between the inner sides of the two vertical plates (6), a spray head (144) is communicated below the surface of the transverse pipe (141), a water outlet spray pipe (143) is also communicated below the surface of the transverse pipe (141), a connecting shaft (145) is rotated between the inner sides of the two vertical plates (6), a driving plate (146) is fixed on the surface of the connecting shaft (145), the driving plate (146) is positioned below the water outlet spray pipe (143), a rotating shaft (147) and a rotating rod (148) are sequentially rotated from front to back at the top of the connecting strip (142), a first bevel gear (149) is fixed on the surface of the connecting shaft (145), a second bevel gear (1410) meshed with the first bevel gear (149) is fixed on the surface of the rotating rod (148), a connecting shaft (145) is rotated between the inner sides of the two vertical plates (6), a driving plate (146) is fixed on the surface of the rotating shaft (1411), a driving plate (1412) is fixed on the surface of the rotating shaft (1411), the rotating shaft (1413) is fixed on the surface of the rotating shaft (1413), the scattering plate (1414) is positioned below the spray head (144);
the auxiliary heat dissipation mechanism (15) comprises a cooling coil pipe (151) wound on the surface of the production tank (3), a first connecting pipe (152) is communicated with the surface of the second conduit (9), one end of the first connecting pipe (152) is communicated with one end of the cooling coil pipe (151), the other end of the cooling coil pipe (151) is communicated with a return pipe (153), one end of the return pipe (153) is communicated with the top of the water tank (2), and a condensing pipe (154) is fixed in the water tank (2);
stirring subassembly (16) are including fixing agitator motor (161) at production jar (3) top, the output shaft of agitator motor (161) is fixed with (162) stirring axle, the inside that production jar (3) was run through and extend to production jar (3) in the bottom of (162) stirring axle, the fixed surface of (162) stirring rake (163) are fixed with.
2. The acetic anhydride production device with an automatic monitoring function according to claim 1, wherein: the top of the production table (1) is fixed with a reflux pump (17), and a liquid inlet of the reflux pump (17) is communicated with a first folding pipe (18).
3. An acetic anhydride production device with automatic monitoring function according to claim 2, characterized in that: one end of the first folding pipe (18) is communicated with the surface of the spray tank (4), a liquid outlet of the reflux pump (17) is communicated with a second folding pipe (19), and one end of the second folding pipe (19) is communicated with the left side of the water tank (2).
4. The acetic anhydride production device with an automatic monitoring function according to claim 1, wherein: the top of the production tank (3) is fixedly provided with a temperature display (20), and the temperature display (20) is connected with a temperature sensor in the production tank (3).
CN202111340450.1A 2021-11-12 2021-11-12 Acetic anhydride apparatus for producing with automatic monitoring function Active CN114146659B (en)

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CN114146659B true CN114146659B (en) 2023-08-29

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB552387A (en) * 1941-07-02 1943-04-06 Gen Foods Corp Improvements in or relating to refrigerating apparatus
WO2004067165A1 (en) * 2003-01-31 2004-08-12 Man Dwe Gmbh Multi-zone tubular reactor for carrying out exothermic gas-phase reactions
WO2019071667A1 (en) * 2017-10-11 2019-04-18 苏州富通高新材料科技股份有限公司 Self-circulating sheet material shaping machine
CN213335669U (en) * 2020-08-04 2021-06-01 湖北香园食品有限公司 Jam safety pollution-free heat exchange cooling device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB552387A (en) * 1941-07-02 1943-04-06 Gen Foods Corp Improvements in or relating to refrigerating apparatus
WO2004067165A1 (en) * 2003-01-31 2004-08-12 Man Dwe Gmbh Multi-zone tubular reactor for carrying out exothermic gas-phase reactions
WO2019071667A1 (en) * 2017-10-11 2019-04-18 苏州富通高新材料科技股份有限公司 Self-circulating sheet material shaping machine
CN213335669U (en) * 2020-08-04 2021-06-01 湖北香园食品有限公司 Jam safety pollution-free heat exchange cooling device

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