CN114588866B - Lemon yellow production is with diazotization reaction unit - Google Patents
Lemon yellow production is with diazotization reaction unit Download PDFInfo
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- CN114588866B CN114588866B CN202210497189.4A CN202210497189A CN114588866B CN 114588866 B CN114588866 B CN 114588866B CN 202210497189 A CN202210497189 A CN 202210497189A CN 114588866 B CN114588866 B CN 114588866B
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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
- B01J19/0053—Details of the reactor
- B01J19/0066—Stirrers
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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
- B01J19/0053—Details of the reactor
- B01J19/0073—Sealings
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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
- B01J19/1862—Stationary reactors having moving elements inside placed in series
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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
- B01J4/00—Feed or outlet devices; Feed or outlet control devices
- B01J4/001—Feed or outlet devices as such, e.g. feeding tubes
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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
- B01J4/00—Feed or outlet devices; Feed or outlet control devices
- B01J4/001—Feed or outlet devices as such, e.g. feeding tubes
- B01J4/007—Feed or outlet devices as such, e.g. feeding tubes provided with moving parts
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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
- B01J2204/00—Aspects relating to feed or outlet devices; Regulating devices for feed or outlet devices
- B01J2204/002—Aspects relating to feed or outlet devices; Regulating devices for feed or outlet devices the feeding side being of particular interest
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- 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
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
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Abstract
The invention relates to the technical field of lemon yellow production, in particular to a diazotization reaction device for lemon yellow production, which comprises a diazotization reaction kettle and is characterized by also comprising: the diazotization reaction bin is arranged inside the diazotization reaction kettle, and a filler opening is arranged at the top of the diazotization reaction bin. The diazotization reaction of sulfanilic acid can be completed through the diazotization reaction kettle to produce the diazonium salt required by the subsequent condensation coupling reaction, the lifting material distributing plate capable of moving up and down is arranged in the diazotization reaction kettle and is retracted into the sealed storage bin during the reaction, the diazotization reaction bin is pulled to move up and is embedded into the sealed embedding groove through the central connecting column after the reaction is completed, and the diazotization reaction bin is uniformly divided into two parts, so that two parts of diazonium salt can be prepared at one time, and then the diazotization reaction is uniformly separated through the lifting material distributing plate.
Description
Technical Field
The invention relates to the technical field of lemon yellow production, and particularly relates to a diazotization reaction device for lemon yellow production.
Background
Lemon yellow is also called tartrazine, is mostly used for coloring foods, beverages and the like and is also used for dyeing wool and silk and producing lake, the lemon yellow is an azo-type acid dye, the traditional production process is production by a tartaric acid process, but the reaction conversion rate is low, and the product purity is not high, so that the lemon yellow is usually produced and produced by diazotization reaction of sulfanilic acid and condensation coupling reaction of the sulfanilic acid and DMAS at present;
the patent with the application number of CN201710043477.1 discloses a synthesis method of a food additive lemon yellow, which provides a synthesis method of the food additive lemon yellow, and mainly comprises the following steps: compared with tartaric acid process production, the diazotization process, the coupling process, the filter pressing process and the spray drying process have the advantages that the product purity is high and the impurities are few in the synthesis process;
however, in the processing process, a diazotization reaction tank is needed to be used for diazotization reaction, a coupling pot is used for condensation coupling reaction, diazo salt generated by the diazotization reaction is easy to decompose under the action of light at a slightly high temperature, a solution containing the diazo salt can be combusted or exploded after being leaked, scattered and dried, and sodium nitrite added in the diazotization reaction is a secondary inorganic oxidant, when the reaction is carried out, if the temperature is too high or the feeding amount is too fast, the concentration of nitrous acid is increased, the decomposition of the material is accelerated, and the danger of explosion and ignition is caused, and two parts of diazo salt need to be prepared in processing for being respectively used in the subsequent condensation reaction and coupling reaction, but the diazotization reaction needs to be repeatedly carried out twice in preparation, the risk is higher, the material adding amount and the material concentration in the diazotization reaction are difficult to keep completely consistent in the two times, and the uniformity is poor, which in turn leads to lower overall safety and quality in the production process.
Disclosure of Invention
In view of this, the invention aims to provide a diazotization reaction device for lemon yellow production, so as to solve the problems that at present, two parts of diazonium salt need to be prepared for subsequent condensation reaction and coupling reaction respectively, but diazotization reaction needs to be repeated twice when two times of preparation are carried out, so that the risk is higher, the material adding amount and the material concentration produced in the diazotization reactions are difficult to keep completely consistent, the uniformity is poor, and the overall safety and quality in the production process are low.
Based on the above purpose, the invention provides a diazotization reaction device for lemon yellow production, which comprises a diazotization reaction kettle and is characterized by further comprising:
the diazotization reaction bin is arranged inside the diazotization reaction kettle, a filler opening is arranged at the top of the diazotization reaction bin, the left side wall and the right side wall of the diazotization reaction bin are symmetrically provided with sealing embedding grooves in parallel, the left side wall and the right side wall of the bottom surface of the diazotization reaction bin are symmetrically provided with conveying openings, an electromagnetic gate valve is arranged below the conveying openings, and the electromagnetic gate valve is communicated with the interior of the diazotization reaction bin through the conveying openings;
the rotary connecting frame is arranged on the outer side of the diazotization reaction kettle, a rotary connecting ring is arranged in the middle of the rotary connecting frame, and the diazotization reaction kettle is rotationally connected with the rotary connecting frame through the rotary connecting ring;
the sealed storage bin is arranged at the center of the bottom of the diazotization reaction bin, a lifting material distribution plate is embedded in the sealed storage bin and is connected with the diazotization reaction bin in a sliding manner through the sealed embedding groove, the lifting material distribution plate is uniformly divided into a left independent space and a right independent space when upwards sliding and lifting along the sealed embedding groove, and a threaded traction joint is arranged at the top of the lifting material distribution plate;
the device comprises a diazotization reaction kettle, a reaction chamber and a reaction chamber, wherein the diazotization reaction kettle is stacked and arranged below the diazotization reaction kettle, a condensation coupling reaction bin is arranged inside the condensation coupling reaction kettle, the top of the condensation coupling reaction bin is provided with a top opening, the outer side of the bottom of the diazotization reaction kettle is provided with a sealing connection ring in a surrounding manner, the outer side of the top opening is provided with a sealing connection groove in a surrounding manner, the diazotization reaction kettle is mutually rotatably and hermetically connected with the condensation coupling reaction kettle through the sealing connection ring and the sealing connection groove, and the condensation coupling reaction bin is mutually communicated with the diazotization reaction bin through an electromagnetic gate valve and a conveying opening;
the submerged distribution disc is arranged inside the diazotization reaction bin, a central connecting column is arranged at the center of the submerged distribution disc, a threaded traction sleeve is arranged at the bottom of the central connecting column, and the threaded traction sleeve and the threaded traction joint are matched in size;
the top sealing cover is arranged above the diazotization reaction kettle, a central connecting sleeve is arranged at the center of the top sealing cover, and the central connecting column is longitudinally connected with the top sealing cover in a sliding mode through the central connecting sleeve.
In some optional embodiments, the centre of submerged distribution dish evenly encircles and is provided with a plurality of umbelliform shunt tubess, the outer end connection of umbelliform shunt tubess is provided with the cavity conveyer pipe, the upper and lower both ends of cavity conveyer pipe all are provided with rotatory cloth head, the centre department of rotatory cloth head is provided with the cloth hole, the outside of rotatory cloth head is the circumference form and evenly encircles and is provided with a plurality of spiral stirring paddle leaf, rotatory cloth head with the cavity conveyer pipe rotates to be connected, the cloth hole passes through the cavity conveyer pipe with the umbelliform shunt tubess communicate each other, the inside center department of center spliced pole is provided with central conveyer pipe, the top of center conveyer pipe is provided with reinforced hose, the bottom of center conveyer pipe with the inner interconnect of umbelliform shunt tubess.
In some optional embodiments, a plurality of annular heat exchange fins are uniformly arranged in the middle of the submerged distribution plate from the center to the outside at intervals, a plurality of U-shaped cooling tubes are arranged around the middle of each annular heat exchange fin, and the outer side walls of the U-shaped cooling tubes are connected with the outer side walls of the umbrella-shaped flow dividing tubes through the annular heat exchange fins.
In some optional embodiments, a cooling conveying interlayer is nested on the outer side of the central conveying pipe, a cooling conveying hose is arranged at the top end of the cooling conveying interlayer, the bottom end of the cooling conveying interlayer is connected with the front end of the U-shaped cooling pipe in an interconnecting mode, a hollow spacing interlayer is nested on the outer side of the cooling conveying interlayer, a cooling backflow interlayer is nested on the outer side of the hollow spacing interlayer, a cooling backflow hose is arranged at the top end of the cooling backflow interlayer, and the bottom end of the cooling backflow interlayer is connected with the rear end of the U-shaped cooling pipe in an interconnecting mode;
the device carries out diazotization reaction through a diazotization reaction kettle, a submerged material distribution disk is arranged in a diazotization reaction bin in the diazotization reaction kettle, liquid sodium nitrite can be added under the liquid level through the submerged material distribution disk so as to improve the reaction conversion efficiency, the submerged material distribution disk mainly carries out shunt transportation on materials through an umbrella-shaped shunt pipe, the materials can be transported to the submerged material distribution disk through a feeding hose and a central transport pipe and then are evenly transported to a plurality of hollow transport pipes through the umbrella-shaped shunt pipe, and then are transported to a rotary material distribution head and are output through material distribution holes, so that the uniform distribution and addition of the materials are completed, meanwhile, the submerged material distribution disk can continuously move up and down circularly through the traction of a central connection column when transporting the materials, so that the submerged material distribution disk can conveniently transport the materials at different heights in the diazotization reaction bin, and in the moving process, the rotary material distribution head and a spiral stirring blade can naturally rotate under the impact of the liquid, the material can be stirred and mixed just by the output of the material distribution hole, so that the uniformity of material conveying is improved, the problem that the decomposition of the material is accelerated due to excessive feeding of sodium nitrite or too high concentration is avoided, a large amount of gas explosion is generated, and the safety during reaction processing is higher.
In some optional embodiments, a vertical distribution barrel is arranged below the vertical central line of the condensation coupling reaction kettle and the electromagnetic gate valve of the diazotization reaction kettle, a plurality of flat distribution plates are uniformly arranged at the bottom of the vertical distribution barrel in a surrounding manner, a hollow conveying cavity is arranged inside each flat distribution plate, the hollow conveying cavity is communicated with the conveying opening through the vertical distribution barrel and the electromagnetic gate valve, a plurality of conveying holes are uniformly formed in the outer side surface of each flat distribution plate, and the hollow conveying cavity is communicated with the outer side of each flat distribution plate through the conveying holes.
In some optional embodiments, the vertical center line of the condensation coupling reaction kettle and the vertical center line of the diazotization reaction kettle are located on the same straight line, a support base is arranged below the condensation coupling reaction kettle, vertical support rods are symmetrically arranged on the left side and the right side of the support base in parallel, a vertical rack is arranged in the middle of each vertical support rod, the condensation coupling reaction kettle and the vertical support rods are fixedly connected, and the vertical center lines of the vertical support rods and the vertical center lines of the condensation coupling reaction kettle are parallel to each other.
In some optional embodiments, a plurality of stirring blades are uniformly arranged around the inner side wall of the diazotization reaction bin, a rotary gear ring is arranged in the middle of the rotary connecting ring, a rotary gear is meshed with the outer side of the rotary gear ring, and a rotary motor is arranged at the shaft end of the rotary gear.
In some optional embodiments, the left side and the right side of the rotary connecting frame are symmetrically provided with adjusting sliding sleeves, the rotary connecting frame is in sliding connection with the vertical supporting rod through the adjusting sliding sleeves, an adjusting gear is arranged in the middle of the adjusting sliding sleeves, the shaft end of the adjusting gear is provided with an adjusting motor, and the adjusting gear and the vertical rack are meshed with each other to form a transmission structure.
In some optional embodiments, a spiral cooling pipe is arranged inside the condensation coupling reaction bin, a hollow heat-insulating layer is arranged in the middle of the outer side wall of the condensation coupling reaction kettle, an inclined charging opening is arranged outside the condensation coupling reaction kettle, and a bottom discharge opening is arranged at the bottom of the condensation coupling reaction bin.
In some optional embodiments, the centre of center spliced pole is provided with central rack, the centre of center adapter sleeve is provided with sun gear, central rack with intermeshing constitutes rotating-structure between the sun gear, sun gear's axle head is provided with central motor, the left and right sides symmetry of the sealed lid of top is provided with the lifting sliding sleeve, the sealed lid of top passes through the lifting sliding sleeve with vertical support bar sliding connection, the centre of lifting sliding sleeve is provided with the lifting gear, the axle head of lifting gear is provided with lifting motor, the lifting gear with intermeshing constitutes transmission structure between the vertical rack.
From the above, the diazotization reaction device for producing lemon yellow provided by the invention can complete the diazotization reaction of sulfanilic acid through the diazotization reaction kettle to produce the diazotized salt required by the subsequent condensation coupling reaction, the diazotization reaction kettle is internally provided with the lifting material distribution plate capable of moving up and down, the diazotization reaction kettle can be retracted into the sealed storage bin during the reaction, the diazotization reaction kettle can move up and be embedded into the sealed embedding slot through the traction of the central connecting column after the reaction is completed, the diazotization reaction bin is uniformly divided into two parts, so that two parts of diazotized salt can be prepared at one time, the two parts of diazotized salt can be uniformly divided through the lifting material distribution plate, compared with the traditional processing equipment, the diazotization reaction is not required to be repeatedly carried out for two times, the consistency of the amount of the added materials and the concentration of the produced materials is convenient to be kept, and the condensation coupling reaction kettle is also stacked below the diazotization reaction kettle, and two compartment bottoms after the flitch is cut apart in the lift all are provided with the transport opening, will wherein react the output material and carry to the condensation coupling reation kettle of below naturally through carrying the opening in to carry out subsequent condensation coupling reaction, thereby can carry out the processing reaction in succession, need not to transport the material, the security and the efficiency of whole processing production are higher.
Drawings
In order to more clearly illustrate the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the description in the prior art will be briefly described below, it is obvious that the drawings in the following description are only the present invention, and other drawings can be obtained by those skilled in the art without inventive efforts.
FIG. 1 is a schematic diagram of the internal structure of an embodiment of the present invention;
FIG. 2 is a schematic front view of an embodiment of the present invention;
FIG. 3 is a schematic diagram of a backside structure according to an embodiment of the present invention;
FIG. 4 is a schematic longitudinal cross-sectional structure of an embodiment of the present invention;
FIG. 5 is a schematic internal view of a diazotization reaction vessel according to an embodiment of the present invention;
FIG. 6 is a schematic bottom view of a diazotization reaction vessel according to an embodiment of the present invention;
FIG. 7 is a schematic view of the interior of a condensation coupling reaction vessel according to an embodiment of the present invention;
FIG. 8 is a schematic structural diagram of an under-liquid material distribution tray according to an embodiment of the present invention;
FIG. 9 is a schematic view of a core connection post according to an embodiment of the present invention;
fig. 10 is a schematic view showing the structure of a top sealing cap according to an embodiment of the present invention.
Labeled as:
1. a support base; 101. a vertical support bar; 102. a vertical rack; 2. diazotizing the reaction kettle; 201. a diazotization reaction bin; 202. a filler opening; 203. a sealing connection ring; 204. sealing the embedded groove; 205. a stirring blade; 206. rotating the connecting ring; 207. rotating the gear ring; 3. a delivery opening; 301. an electromagnetic gate valve; 302. a vertical distribution barrel; 303. a flat cloth plate; 304. a hollow delivery lumen; 305. conveying and opening holes; 4. sealing the storage bin; 401. lifting the material distributing plate; 402. a threaded draw joint; 5. a rotating connecting frame; 501. a rotating gear; 502. a rotating electric machine; 503. adjusting the sliding sleeve; 504. an adjusting gear; 505. adjusting the motor; 6. a condensation coupling reaction kettle; 601. a condensation coupling reaction bin; 602. the top is open; 603. sealing the connecting groove; 604. a spiral cooling tube; 605. a hollow insulating layer; 606. inclining a feed inlet; 607. a bottom discharge hole; 7. an underwater cloth disc; 701. an umbrella-shaped shunt tube; 702. a hollow delivery pipe; 703. rotating the material distribution head; 704. a material distribution hole; 705. a helical stirring blade; 706. annular heat exchange fins; 707. a U-shaped cooling tube; 8. a central connecting post; 801. a central rack; 802. a threaded traction sleeve; 803. a central delivery pipe; 804. a feeding hose; 805. cooling the conveying interlayer; 806. cooling the delivery hose; 807. a hollow spacer interlayer; 808. cooling and refluxing the interlayer; 809. cooling the return hose; 9. a top sealing cover; 901. lifting the sliding sleeve; 902. a lifting gear; 903. a lifting motor; 904. a central connecting sleeve; 905. a sun gear; 906. a central motor.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to specific embodiments.
It is to be noted that technical terms or scientific terms used herein should have the ordinary meaning as understood by those having ordinary skill in the art to which the present invention belongs, unless otherwise defined. The use of "first," "second," and the like, herein does not denote any order, quantity, or importance, but rather the terms "first," "second," and the like are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used only to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
As shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, fig. 7, fig. 8, fig. 9, and fig. 10, a diazotization reaction apparatus for lemon yellow production includes a diazotization reaction kettle 2, and further includes:
the diazotization reaction bin 201 is arranged inside the diazotization reaction kettle 2, a filler opening 202 is arranged at the top of the diazotization reaction bin 201, sealing embedding grooves 204 are symmetrically and parallelly arranged on the left side wall and the right side wall of the diazotization reaction bin 201, conveying openings 3 are symmetrically arranged on the left side wall and the right side wall of the bottom surface of the diazotization reaction bin 201, an electromagnetic gate valve 301 is arranged below the conveying openings 3, and the electromagnetic gate valve 301 is communicated with the interior of the diazotization reaction bin 201 through the conveying openings 3;
the rotary connecting frame 5 is arranged on the outer side of the diazotization reaction kettle 2, a rotary connecting ring 206 is arranged in the middle of the rotary connecting frame 5, and the diazotization reaction kettle 2 is rotationally connected with the rotary connecting frame 5 through the rotary connecting ring 206;
the sealed storage bin 4 is arranged at the center of the bottom of the diazotization reaction bin 201, a lifting material distribution plate 401 is embedded in the sealed storage bin 4, the lifting material distribution plate 401 is connected with the diazotization reaction bin 201 through a sealed embedding groove 204 in a sliding mode, the lifting material distribution plate 401 is uniformly divided into a left independent space and a right independent space when upwards sliding and lifting along the sealed embedding groove 204, and a threaded traction joint 402 is arranged at the top of the lifting material distribution plate 401;
the device comprises a condensation coupling reaction kettle 6, a diazotization reaction kettle 2 and a reaction container, wherein the condensation coupling reaction kettle 6 is stacked and arranged below the diazotization reaction kettle 2, a condensation coupling reaction bin 601 is arranged inside the condensation coupling reaction kettle 6, the top of the condensation coupling reaction bin 601 is provided with a top opening 602, the outer side of the bottom of the diazotization reaction kettle 2 is provided with a sealing connection ring 203 in a surrounding manner, the outer side of the top opening 602 is provided with a sealing connection groove 603 in a surrounding manner, the diazotization reaction kettle 2 is mutually rotatably and hermetically connected with the condensation coupling reaction kettle 6 through the sealing connection ring 203 and the sealing connection groove 603, and the condensation coupling reaction bin 601 is mutually communicated with a diazotization reaction bin 201 through an electromagnetic gate valve 301 and a conveying opening 3;
the submerged distribution disc 7 is arranged inside the diazotization reaction bin 201, a central connecting column 8 is arranged at the center of the submerged distribution disc 7, a threaded traction sleeve 802 is arranged at the bottom of the central connecting column 8, and the threaded traction sleeve 802 and the threaded traction joint 402 are matched in size; the top sealing cover 9 is arranged above the diazotization reaction kettle 2, a central connecting sleeve 904 is arranged at the center of the top sealing cover 9, and the central connecting column 8 is longitudinally connected with the top sealing cover 9 in a sliding mode through the central connecting sleeve 904.
As shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, fig. 7, fig. 8, fig. 9, and fig. 10, a diazotization reaction apparatus for producing tartrazine, which is an embodiment of the present invention, includes a diazotization reaction kettle 2, and further includes: the diazotization reaction bin 201 is arranged inside the diazotization reaction kettle 2, a packing opening 202 is formed in the top of the diazotization reaction bin 201, sealing embedding grooves 204 are symmetrically and parallelly formed in the left side wall and the right side wall of the diazotization reaction bin 201, conveying openings 3 are symmetrically formed in the left side wall and the right side wall of the bottom surface of the diazotization reaction bin 201, electromagnetic gate valves 301 are arranged below the conveying openings 3, and the electromagnetic gate valves 301 are communicated with the interior of the diazotization reaction bin 201 through the conveying openings 3; the rotary connecting frame 5 is arranged on the outer side of the diazotization reaction kettle 2, the rotary connecting ring 206 is arranged in the middle of the rotary connecting frame 5, and the diazotization reaction kettle 2 is rotationally connected with the rotary connecting frame 5 through the rotary connecting ring 206; the sealed storage bin 4 is arranged at the center of the bottom of the diazotization reaction bin 201, a lifting material distribution plate 401 is embedded in the sealed storage bin 4, the lifting material distribution plate 401 is connected with the diazotization reaction bin 201 through a sealed embedding groove 204 in a sliding mode, the lifting material distribution plate 401 is uniformly divided into a left independent space and a right independent space when upwards sliding and lifting along the sealed embedding groove 204, and a threaded traction joint 402 is arranged at the top of the lifting material distribution plate 401; the device comprises a condensation coupling reaction kettle 6, a diazotization reaction kettle 2 and a reaction container, wherein the condensation coupling reaction kettle 6 is stacked below the diazotization reaction kettle 2, a condensation coupling reaction bin 601 is arranged inside the condensation coupling reaction kettle 6, the top of the condensation coupling reaction bin 601 is provided with a top opening 602, the outer side of the bottom of the diazotization reaction kettle 2 is provided with a sealing connecting ring 203 in a surrounding manner, the outer side of the top opening 602 is provided with a sealing connecting groove 603 in a surrounding manner, the diazotization reaction kettle 2 is mutually rotatably and hermetically connected with the condensation coupling reaction kettle 6 through the sealing connecting ring 203 and the sealing connecting groove 603, and the condensation coupling reaction bin 601 is mutually communicated with the diazotization reaction bin 201 through an electromagnetic gate valve 301 and a conveying opening 3; the submerged distribution disc 7 is arranged inside the diazotization reaction bin 201, a central connecting column 8 is arranged at the center of the submerged distribution disc 7, a threaded traction sleeve 802 is arranged at the bottom of the central connecting column 8, and the threaded traction sleeve 802 and the threaded traction joint 402 are matched in size; the top sealing cover 9 is arranged above the diazotization reaction kettle 2, a central connecting sleeve 904 is arranged at the center of the top sealing cover 9, and the central connecting column 8 is longitudinally connected with the top sealing cover 9 in a sliding manner through the central connecting sleeve 904; the device mainly comprises a diazotization reaction kettle 2 and a condensation coupling reaction kettle 6, wherein the diazotization reaction kettle 2 and the condensation coupling reaction kettle 6 are arranged in an up-and-down stacking manner so as to continuously carry out the condensation coupling reaction after the diazotization reaction to produce the lemon yellow, water, sodium sulfanilate, hydrochloric acid, sodium nitrite and the like can be added into a diazotization reaction bin 201 in the diazotization reaction kettle 2 through a filler opening 202 to carry out the diazotization reaction, the filler opening 202 can be kept closed through a top sealing cover 9 with mutually matched sizes during the reaction, liquid sodium nitrite can be added under the liquid level through a liquid-level distributing disk 7 fixedly arranged on a central connecting column 8 during the addition of the sodium nitrite so as to improve the reaction conversion efficiency, when the diazotization reaction kettle 2 carries out the processing reaction, the diazotization reaction kettle 2 simultaneously rotates on the condensation coupling reaction kettle 6 along the self axis, the condensation coupling reaction kettle 6 and the central connecting column 8 are kept relatively static, so the content in the diazotization reaction bin 201 can be stirred by the rotation of the diazotization reaction kettle 2, the uniformity of reactants is improved, after the diazotization reaction is finished, the central connecting column 8 can move upwards along the central connecting sleeve 904, so as to pull and move the submerged material distribution tray 7 upwards from the diazotization reaction bin 201, meanwhile, the central connecting column 8 can also pull and drive the lifting material distribution plate 401 to move upwards synchronously by the thread traction sleeve 802 and the thread traction joint 402, and the lifting material distribution plate 401 is contracted in the sealed storage bin 4 during the reaction processing, so the blockage to the submerged material distribution tray 7 and the reaction processing is avoided, the diazotization reaction bin 201 is a complete compartment, the content can be fully reacted, and the lower half part of the sealed storage bin 4 is positioned in the condensation coupling reaction bin 601, the diazotization reaction kettle 2 can drive the sealed storage bin 4 to synchronously rotate so as to stir materials in the condensation coupling reaction bin 601, the reaction uniformity is improved, after the diazotization reaction is finished, the diazotization reaction bin can upwards move and be embedded into the sealed embedding groove 204 through the traction of the central connecting column 8, the diazotization reaction bin 201 is uniformly divided into two parts, so that two parts of diazonium salts can be prepared at one time for the subsequent condensation coupling reaction, compared with the traditional processing equipment, the diazotization reaction is uniformly divided through the lifting material dividing plate 401 without repeatedly carrying out the diazotization reaction for two times, the consistency of the reaction added material quantity and the concentration of the output material is convenient to keep, the processing risk is also reduced, after the processing is finished, the conveying openings 3 are arranged at the bottoms of the two compartments after the lifting material dividing plate 401 is divided, the materials in the two compartments can be sequentially and naturally conveyed to the condensation coupling reaction kettle 6 below by controlling the switches of the electromagnetic gate valves 301 at the conveying openings 3, subsequent condensation and coupling reaction are carried out in sequence, so that the processing reaction can be continuously carried out, secondary transfer of products of the diazotization reaction is not needed, the whole production flow is completed on an integrated device at one time, and the safety and the efficiency of the whole processing production are higher.
As shown in fig. 1, 4, 8 and 9, optionally, a plurality of umbrella-shaped shunt tubes 701 are uniformly arranged around the middle of the submerged distribution tray 7, a hollow delivery pipe 702 is connected to the outer end of the umbrella-shaped shunt tubes 701, the upper and lower ends of the hollow delivery pipe 702 are both provided with a rotary distribution head 703, a distribution hole 704 is arranged in the middle of the rotary distribution head 703, a plurality of spiral stirring blades 705 are uniformly arranged around the outer side of the rotary distribution head 703 in a circumferential manner, the rotary distribution head 703 is rotatably connected with the hollow delivery pipe 702, the distribution hole 704 is communicated with the umbrella-shaped shunt tubes 701 through the hollow delivery pipe 702, a central delivery pipe 803 is arranged in the center of the central connection column 8, a feeding hose 804 is arranged at the top end of the central delivery pipe 803, the bottom end of the central delivery pipe 803 is connected with the inner ends of the umbrella-shaped shunt tubes 701, the device performs diazotization reaction through the diazotization reaction kettle 2, the diazotization reaction bin 201 in the diazotization reaction kettle 2 is internally provided with an underwater distributing tray 7, liquid sodium nitrite can be added under the liquid level through the underwater distributing tray 7 so as to improve the reaction conversion efficiency, the underwater distributing tray 7 mainly carries out shunt conveying on materials through an umbrella-shaped shunt pipe 701, the materials can be conveyed to the underwater distributing tray 7 through a feeding hose 804 and a central conveying pipe 803, then are uniformly conveyed to a plurality of hollow conveying pipes 702 through the umbrella-shaped shunt pipe 701 and are conveyed to a rotary distributing head 703 and output from a distributing hole 704 so as to complete uniform distribution and addition of the materials, meanwhile, the underwater distributing tray 7 can continuously move up and down circularly under the traction of a central connecting column 8 when conveying the materials, so that the underwater distributing tray 7 can convey the materials at different heights in the diazotization reaction bin 201, and in the moving process, the rotary distributing head 703 and a spiral stirring paddle 705 can naturally rotate under the impact of liquid, the materials can be stirred and mixed just after being output from the material distribution holes 704, so that the uniformity of material conveying is improved, the phenomenon that the decomposition of the materials is accelerated due to excessive feeding of sodium nitrite or too high concentration at the too high speed is avoided, a large amount of gas explodes and fires is avoided, and the safety during reaction processing is higher.
As shown in fig. 1, 4, 8 and 9, optionally, a plurality of annular heat exchange fins 706 are uniformly arranged in the middle of the submerged material distribution tray 7 from the center to the outside at intervals, a plurality of U-shaped cooling tubes 707 are arranged around the middle of the annular heat exchange fins 706, the outer side walls of the U-shaped cooling tubes 707 are connected to the outer side walls of the umbrella-shaped flow dividing tubes 701 through the annular heat exchange fins 706, a cooling conveying sandwich 805 is nested outside the central conveying pipe 803, a cooling conveying hose 806 is arranged at the top end of the cooling conveying sandwich 805, the bottom end of the cooling conveying sandwich 805 is connected to the front end of the U-shaped cooling tubes 707, a hollow spacer is nested outside the cooling conveying sandwich 805, a cooling reflux sandwich 808 is nested outside the hollow spacer 807, a cooling reflux hose 809 is arranged at the top end of the cooling reflux sandwich 808 is nested outside the hollow spacer 807, the bottom end of the cooling reflux sandwich 808 is connected to the rear end of the U-shaped cooling tubes 707, the device carries out diazotization reaction through a diazotization reaction kettle 2, and adds liquid sodium nitrite below the liquid level through an underwater distribution disk 7 so as to improve the reaction conversion efficiency, the underwater distribution disk 7 is also provided with a cooling structure consisting of an annular heat exchange fin 706 and a U-shaped cooling pipe 707, external cooling medium can be conveyed to the U-shaped cooling pipe 707 through a cooling conveying hose 806 and a cooling conveying interlayer 805, the U-shaped cooling pipe 707 can cool the material reacted in the diazotization reaction bin 201 through the annular heat exchange fin 706 so as to maintain proper reaction temperature, and the cooling conveying interlayer 805 is embedded and arranged at the outer side of a central conveying pipe 803, so when the sodium nitrite is conveyed to the underwater distribution disk 7 through the central conveying pipe 803, the temperature can be reduced through the cooling medium conveyed along the cooling conveying interlayer 805 so as to reduce the temperature of the added sodium nitrite, when the reaction is carried out, the danger caused by overhigh temperature can be avoided, the reaction processing is safer, meanwhile, the cooling medium can flow back through the cooling backflow interlayer 808 after being cooled and heated, and the hollow interval interlayer 807 is arranged between the cooling backflow interlayer 808 and the cooling conveying interlayer 805, so that the cooling effect is prevented from being influenced by the fact that the cooling medium is heated in advance due to the fact that the cooling backflow interlayer 808 is in direct contact with the cooling conveying interlayer 805.
As shown in fig. 1, fig. 4, fig. 5, fig. 6 and fig. 7, optionally, a vertical distribution barrel 302 is disposed below the vertical center line of the diazotization reaction kettle 6 and the electromagnetic gate valve 301 of the diazotization reaction kettle 2, a plurality of flat distribution plates 303 are uniformly arranged at the bottom of the vertical distribution barrel 302 in a surrounding manner, a hollow conveying cavity 304 is disposed inside the flat distribution plates 303, the hollow conveying cavity 304 is communicated with the conveying opening 3 through the vertical distribution barrel 302 and the electromagnetic gate valve 301, a plurality of conveying openings 305 are uniformly disposed on the outer side surfaces of the flat distribution plates 303, the hollow conveying cavity 304 is communicated with the outer side of the flat distribution plates 303 through the conveying openings 305, the device performs diazotization reaction through the diazotization reaction kettle 2, and the diazotization reaction kettle 2 and the condensation coupling reaction kettle 6 are stacked up and down, so that the material completing the reaction inside the diazotization reaction kettle 2 can be naturally conveyed to the condensation coupling reaction kettle 6 below directly through gravity, the diazotization reaction bin 201 is provided with a conveying opening 3 at the bottom for conveying materials downwards, an electromagnetic gate valve 301 is arranged below the conveying opening 3, the electromagnetic gate valve 301 can open the conveying opening 3 by generating magnetic force to adsorb the sealing inserting plate through the electrification of an electromagnet, the sealing inserting plate is pushed by a reset spring to reset and keep closed after the electrification magnetic force is lost, so the conveying opening 3 can be opened by opening the electromagnetic gate valve 301, the materials are conveyed into the vertical distributing cylinders 302 through the conveying opening 3 and further conveyed into the hollow conveying cavities 304 inside the flat distributing plates 303, and then conveyed into the condensation coupling reaction bin 601 through the conveying holes 305 arranged on the hollow conveying cavities 304 for reaction production, so that the materials can be uniformly conveyed through the flat distributing plates 303 arranged in a circumferential shape to improve the reaction efficiency, and the diazotization reaction kettle 2 can drive the two vertical distributing cylinders 302 symmetrically arranged at the bottom to synchronously rotate, the materials in the condensation coupling reaction bin 601 are stirred by the vertical material distributing barrel 302 and the flat material distributing plate 303 below the vertical material distributing barrel, so that the material mixing uniformity is improved, and the reaction efficiency and the production quality are further improved.
As shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5 and fig. 6, optionally, the vertical center line of the condensation coupling reaction kettle 6 and the vertical center line of the diazotization reaction kettle 2 are located on the same straight line, the support base 1 is disposed below the condensation coupling reaction kettle 6, the vertical support rods 101 are symmetrically disposed in parallel on the left and right sides of the support base 1, the vertical rack 102 is disposed in the middle of the vertical support rod 101, the condensation coupling reaction kettle 6 and the vertical support rod 101 are fixedly connected, the vertical center line of the vertical support rod 101 and the vertical center line of the condensation coupling reaction kettle 6 are parallel to each other, the inner side wall of the diazotization reaction chamber 201 is uniformly provided with a plurality of stirring blades 205 in a surrounding manner, the middle of the rotary connection ring 206 is provided with a rotary gear ring 207, the outer side of the rotary gear ring 207 is engaged with a rotary gear 501, the shaft end of the rotary gear 501 is provided with a rotary motor 502, the left side and the right side of the rotary connecting frame 5 are symmetrically provided with adjusting sliding sleeves 503, the rotary connecting frame 5 is connected with the vertical support rod 101 in a sliding manner through the adjusting sliding sleeves 503, the middle of the adjusting sliding sleeve 503 is provided with an adjusting gear 504, the shaft end of the adjusting gear 504 is provided with an adjusting motor 505, the adjusting gear 504 and the vertical rack 102 are meshed with each other to form a transmission structure, the diazotization reaction kettle 2 arranged in the device is rotatably connected with the rotary connecting frame 5 through a rotary connecting ring 206, the rotary motor 502 can drive the diazotization reaction kettle 2 to rotate above the condensation coupling reaction kettle 6 through a rotary gear 501 and a rotary gear ring 207, the diazotization reaction kettle 2 can drive a stirring blade 205 arranged in the diazotization reaction kettle to synchronously rotate when rotating so as to stir internal materials, the reaction uniformity is improved, and the adjusting motor 505 can drive the rotary connecting frame 5 to slide up and down along the vertical support rod 101 through the adjusting gear 504 and the vertical rack 102, and then can drive diazotization reation kettle 2 and reciprocate in step to open condensation coupling reation kettle 6 of its below through removing diazotization reation kettle 2, be convenient for adjust and operate its inside, it is more convenient nimble during the use.
As shown in fig. 1 and 7, optionally, a spiral cooling pipe 604 is disposed inside the condensation coupling reaction bin 601, a hollow insulating layer 605 is disposed in the middle of the outer side wall of the condensation coupling reaction kettle 6, an inclined charging port 606 is disposed outside the condensation coupling reaction kettle 6, a bottom discharge port 607 is disposed at the bottom of the condensation coupling reaction bin 601, the apparatus can produce lemon yellow through condensation coupling reaction of the condensation coupling reaction kettle 6, and a cooling medium can be introduced into the spiral cooling pipe 604 disposed inside the condensation coupling reaction bin 601, and meanwhile, the reaction temperature can be conveniently adjusted and maintained through the hollow insulating layer 605, so that the reaction efficiency is improved.
As shown in fig. 1, 4, 8, 9 and 10, optionally, a central rack 801 is disposed in the middle of the central connecting column 8, a central gear 905 is disposed in the middle of the central connecting sleeve 904, the central rack 801 and the central gear 905 are engaged with each other to form a rotating structure, a central motor 906 is disposed at a shaft end of the central gear 905, lifting sliding sleeves 901 are symmetrically disposed at the left and right sides of the top sealing cover 9, the top sealing cover 9 is slidably connected with the vertical supporting rod 101 through the lifting sliding sleeves 901, a lifting gear 902 is disposed in the middle of the lifting sliding sleeves 901, a lifting motor 903 is disposed at a shaft end of the lifting gear 902, the lifting gear 902 and the vertical rack 102 are engaged with each other to form a transmission structure, the submerged distribution tray 7 moves synchronously by being pulled by the central connecting column 8, and the central motor 906 can drive the central connecting column 8 to move up and down in the central connecting sleeve 904 through the central gear 905 and the central rack 801 to pull the submerged distribution tray 7 to move synchronously for adjustment, be convenient for raise submerged cloth dish 7 after accomplishing the reaction, also be convenient for divide flitch 401 to pull to rise to heavily nitrogenize reaction chamber 201 to the sealed lid 9 in top wholly can reciprocate, so that wholly rise to adjust and operate diazotization reation kettle 2 inside its below, it is convenient nimble more during the use.
When in use, corresponding pipelines of the device are firstly connected, then production raw materials are put into a diazotization reaction bin 201 in a diazotization reaction kettle 2 through a filling opening 202 according to required quantity for reaction production, simultaneously, the materials are conveyed to an underwater distribution disc 7 through a feeding hose 804 and a central conveying pipe 803, then, the materials are uniformly conveyed to a plurality of hollow conveying pipes 702 through umbrella-shaped shunt pipes 701 and then conveyed to a rotary distribution head 703 to be output through a distribution hole 704, meanwhile, when the underwater distribution disc 7 conveys the materials, a central motor 906 drives a central connecting column 8 to move up and down in a central connecting sleeve 904 through a central gear 905 and a central rack 801, so that the underwater distribution disc 7 continuously moves up and down circularly through the traction of the central connecting column 8, the underwater distribution disc 7 conveys the materials at different heights in the diazotization reaction bin 201, and in the moving process, the rotary distribution head 703 and a spiral stirring paddle 705 are naturally rotated under the impact of the liquid, the materials are stirred and mixed just after being output from the material distribution hole 704, meanwhile, the rotary motor 502 drives the diazotization reaction kettle 2 to rotate above the condensation coupling reaction kettle 6 through the rotary gear 501 and the rotary gear ring 207, the diazotization reaction kettle 2 drives the stirring blade 205 arranged in the diazotization reaction kettle 2 to synchronously rotate when rotating so as to stir the internal materials, so that the uniformity of the materials is improved, after the diazotization reaction is finished, the height of the central connecting column 8 is adjusted and the diazotization reaction kettle 2 rotates so as to drive the lifting material distribution plate 401 to rotate, the lifting material distribution plate 401 is mutually connected with the central connecting column 8 through the thread traction joint 402 and the thread traction sleeve 802, then the central connecting column 8 draws the lifting material distribution plate 401 to move upwards and be embedded into the sealing embedding groove 204, the diazotization reaction bin 201 is evenly divided into two parts, so that the materials are evenly divided into one part and two parts, and then the raw materials can be added into the condensation coupling reaction bin 6 through the inclined material inlet 606 601, and opening one of the electromagnetic gate valves 301 arranged at the bottom of the diazotization reaction kettle 2, so that half of the diazonium salt solution is conveyed into the vertical distributing barrel 302 through the conveying opening 3, and further conveyed into the hollow conveying cavity 304 inside the flat distributing plates 303, and then conveyed to the condensation coupling reaction bin 601 through the plurality of conveying openings 305 arranged on the hollow conveying cavity 304 for reaction production, and after the condensation reaction is completed, opening the other electromagnetic gate valve 301, so that the other half of the diazonium salt solution is conveyed to the condensation coupling reaction bin 601 below through the conveying opening 3 for reaction production, so as to complete the coupling reaction, and then complete the processing production of tartrazine.
The diazotization reaction device for lemon yellow production provided by the invention can complete diazotization reaction of sulfanilic acid through the diazotization reaction kettle 2 to produce diazotized salt required by subsequent condensation coupling reaction, the diazotization reaction kettle 2 is internally provided with the lifting material distribution plate 401 capable of moving up and down, the diazotized material distribution plate can be retracted into the sealed storage bin 4 during the reaction, the diazotized material distribution plate can move up and be embedded into the sealed embedding slot 204 through the traction of the central connecting column 8 after the reaction is finished, the diazotization reaction bin 201 is uniformly divided into two parts, so that two parts of diazotized salt can be prepared at one time, and then the lifting material distribution plate 401 is uniformly divided, compared with the traditional processing equipment, the diazotization reaction does not need to be repeatedly carried out for two times, the consistency of the amount of the added materials and the concentration of the produced materials is convenient to keep, meanwhile, the condensation coupling reaction kettle 6 is also stacked below the diazotization reaction kettle 2, and two compartment bottoms after lift branch flitch 401 is cut apart all are provided with transport opening 3, will wherein the condensation coupling reation kettle 6 of reaction output material nature transport to the below through transport opening 3 in to carry out subsequent condensation coupling reaction, thereby can carry out the processing reaction in succession, need not to transport the material, whole processing production's security and efficiency are higher.
Those of ordinary skill in the art will understand that: the discussion of any embodiment above is meant to be exemplary only, and is not intended to intimate that the scope of the disclosure, including the claims, is limited to those examples; within the idea of the invention, also technical features in the above embodiments or in different embodiments may be combined, steps may be implemented in any order, and there are many other variations of the different aspects of the invention as described above, which are not provided in detail for the sake of brevity.
The present invention is intended to embrace all such alternatives, modifications and variances which fall within the broad scope of the appended claims. Therefore, any omissions, modifications, substitutions, improvements and the like that may be made without departing from the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (10)
1. The diazotization reaction device for lemon yellow production comprises a diazotization reaction kettle (2), and is characterized by further comprising:
the diazotization reaction bin (201) is arranged in the diazotization reaction kettle (2), a packing opening (202) is formed in the top of the diazotization reaction bin (201), sealing embedding grooves (204) are symmetrically and parallelly formed in the left side wall and the right side wall of the diazotization reaction bin (201), conveying openings (3) are symmetrically formed in the left side and the right side of the bottom surface of the diazotization reaction bin (201), an electromagnetic gate valve (301) is arranged below the conveying openings (3), and the electromagnetic gate valve (301) is communicated with the interior of the diazotization reaction bin (201) through the conveying openings (3);
the rotary connecting frame (5) is arranged on the outer side of the diazotization reaction kettle (2), a rotary connecting ring (206) is arranged in the middle of the rotary connecting frame (5), and the diazotization reaction kettle (2) is rotationally connected with the rotary connecting frame (5) through the rotary connecting ring (206);
the device comprises a sealed storage bin (4) which is arranged at the center of the bottom of the diazotization reaction bin (201), wherein a lifting material distribution plate (401) is embedded in the sealed storage bin (4), the lifting material distribution plate (401) is connected with the diazotization reaction bin (201) in a sliding mode through a sealed embedding groove (204), the lifting material distribution plate (401) is uniformly divided into a left independent space and a right independent space when lifted upwards along the sealed embedding groove (204) in a sliding mode, and a threaded traction joint (402) is arranged at the top of the lifting material distribution plate (401);
the device comprises a condensation coupling reaction kettle (6) which is stacked below the diazotization reaction kettle (2), wherein a condensation coupling reaction bin (601) is arranged inside the condensation coupling reaction kettle (6), the top of the condensation coupling reaction bin (601) is provided with a top opening (602), the outer side of the bottom of the diazotization reaction kettle (2) is provided with a sealing connecting ring (203) in a surrounding manner, the outer side of the top opening (602) is provided with a sealing connecting groove (603) in a surrounding manner, the diazotization reaction kettle (2) is mutually and rotatably and hermetically connected with the condensation coupling reaction kettle (6) through the sealing connecting ring (203) and the sealing connecting groove (603), and the condensation coupling reaction bin (601) is mutually communicated with the diazotization reaction bin (201) through the electromagnetic gate valve (301) and the conveying opening (3);
the device comprises an underwater distributing disc (7) arranged inside a diazotization reaction bin (201), wherein a central connecting column (8) is arranged at the center of the underwater distributing disc (7), a thread traction sleeve (802) is arranged at the bottom of the central connecting column (8), and the thread traction sleeve (802) and the thread traction joint (402) are matched in size;
the top sealing cover (9) is arranged above the diazotization reaction kettle (2), a central connecting sleeve (904) is arranged at the center of the top sealing cover (9), and the central connecting column (8) is connected with the top sealing cover (9) in a longitudinal sliding mode through the central connecting sleeve (904).
2. The diazotization reaction device for producing tartrazine according to claim 1, wherein a plurality of umbrella-shaped shunt tubes (701) are uniformly arranged around the middle of the submerged distribution plate (7), the outer ends of the umbrella-shaped shunt tubes (701) are connected with hollow delivery tubes (702), the upper and lower ends of the hollow delivery tubes (702) are provided with rotary distribution heads (703), the middle of the rotary distribution head (703) is provided with distribution holes (704), the outer side of the rotary distribution head (703) is circumferentially and uniformly provided with a plurality of helical stirring blades (705), the rotary distribution heads (703) are rotatably connected with the hollow delivery tubes (702), the distribution holes (704) are mutually communicated with the umbrella-shaped shunt tubes (701) through the hollow delivery tubes (702), the center of the inner part of the center connection column (8) is provided with a center delivery tube (803), the top end of the central conveying pipe (803) is provided with a feeding hose (804), and the bottom end of the central conveying pipe (803) is connected with the inner end of the umbrella-shaped shunt pipe (701).
3. The diazotization reaction device for lemon yellow production according to claim 2, wherein a plurality of annular heat exchange fins (706) are uniformly arranged in the middle of the submerged distribution plate (7) from the center to the outside at intervals, a plurality of U-shaped cooling tubes (707) are arranged in the middle of the annular heat exchange fins (706) in a surrounding manner, and the outer side walls of the U-shaped cooling tubes (707) are connected with the outer side walls of the umbrella-shaped flow dividing tubes (701) through the annular heat exchange fins (706).
4. The diazotization reaction device for lemon yellow production according to claim 3, characterized in that a cooling conveying interlayer (805) is nested outside the central conveying pipe (803), a cooling conveying hose (806) is arranged on the top end of the cooling conveying interlayer (805), the bottom end of the cooling conveying interlayer (805) is connected with the front end of the U-shaped cooling pipe (707), a hollow interval interlayer (807) is nested outside the cooling conveying interlayer (805), a cooling reflux interlayer (808) is nested outside the hollow interval interlayer (807), a cooling reflux hose (809) is arranged on the top end of the cooling reflux interlayer (808), and the bottom end of the cooling reflux interlayer (808) is connected with the rear end of the U-shaped cooling pipe (707).
5. The diazotization reaction device for lemon yellow production according to claim 1, characterized in that a vertical distribution barrel (302) is arranged below the electromagnetic gate valve (301), the bottom of the vertical distribution barrel (302) is uniformly provided with a plurality of flat distribution plates (303) in a surrounding manner, the flat distribution plates (303) are provided with a hollow conveying cavity (304) inside, the hollow conveying cavity (304) is communicated with the conveying openings (3) through the vertical distribution barrel (302) and the electromagnetic gate valve (301), the outer side surfaces of the flat distribution plates (303) are uniformly provided with a plurality of conveying holes (305), and the hollow conveying cavity (304) is communicated with the outer sides of the flat distribution plates (303) through the conveying holes (305).
6. The diazotization reaction device for lemon yellow production according to claim 1, wherein the vertical center line of the condensation coupling reaction kettle (6) and the vertical center line of the diazotization reaction kettle (2) are located on the same straight line, a support base (1) is arranged below the condensation coupling reaction kettle (6), vertical support rods (101) are symmetrically arranged on the left side and the right side of the support base (1) in parallel, a vertical rack (102) is arranged in the middle of the vertical support rods (101), the condensation coupling reaction kettle (6) and the vertical support rods (101) are fixedly connected, and the vertical center line of the vertical support rods (101) and the vertical center line of the condensation coupling reaction kettle (6) are parallel to each other in front.
7. The diazotization reaction device for lemon yellow production according to claim 1, wherein a plurality of stirring blades (205) are uniformly arranged around the inner side wall of the diazotization reaction bin (201), a rotary gear ring (207) is arranged in the middle of the rotary connecting ring (206), a rotary gear (501) is meshed with the outer side of the rotary gear ring (207), and a rotary motor (502) is arranged at the shaft end of the rotary gear (501).
8. The diazotization reaction device for lemon yellow production according to claim 6, wherein the left side and the right side of the rotary connecting frame (5) are symmetrically provided with adjusting sliding sleeves (503), the rotary connecting frame (5) is in sliding connection with the vertical support rod (101) through the adjusting sliding sleeves (503), the middle of the adjusting sliding sleeves (503) is provided with an adjusting gear (504), the shaft end of the adjusting gear (504) is provided with an adjusting motor (505), and the adjusting gear (504) and the vertical rack (102) are engaged with each other to form a transmission structure.
9. The diazotization reaction device for lemon yellow production according to claim 1, wherein a spiral cooling pipe (604) is arranged inside the condensation coupling reaction bin (601), a hollow heat insulation layer (605) is arranged in the middle of the outer side wall of the condensation coupling reaction kettle (6), an inclined feeding port (606) is arranged outside the condensation coupling reaction kettle (6), and a bottom discharging port (607) is arranged at the bottom of the condensation coupling reaction bin (601).
10. The diazotization reaction device for production of lemon yellow according to claim 6, characterized in that, a central rack (801) is arranged in the middle of the central connecting column (8), a central gear (905) is arranged in the middle of the central connecting sleeve (904), the central rack (801) and the central gear (905) are meshed with each other to form a rotating structure, a central motor (906) is arranged at the shaft end of the central gear (905), lifting sliding sleeves (901) are symmetrically arranged at the left side and the right side of the top sealing cover (9), the top sealing cover (9) is connected with the vertical supporting rod (101) in a sliding way through the lifting sliding sleeve (901), a lifting gear (902) is arranged in the middle of the lifting sliding sleeve (901), a lifting motor (903) is arranged at the shaft end of the lifting gear (902), the lifting gear (902) and the vertical rack (102) are meshed with each other to form a transmission structure.
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| CN202210497189.4A CN114588866B (en) | 2022-05-09 | 2022-05-09 | Lemon yellow production is with diazotization reaction unit |
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| CN202210497189.4A CN114588866B (en) | 2022-05-09 | 2022-05-09 | Lemon yellow production is with diazotization reaction unit |
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| CN114939391B (en) * | 2022-07-07 | 2023-07-07 | 新琪安科技股份有限公司 | Device and method for recycling dimethylamine from sucralose production wastewater |
| CN116351374B (en) * | 2023-06-01 | 2023-08-22 | 山东艾蒙特新材料有限公司 | Open-loop and closed-loop continuous reaction preparation device and method for bisphenol F epoxy resin |
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| CN214916116U (en) * | 2021-07-20 | 2021-11-30 | 杭州映山花颜料化工有限公司 | Diazo reaction device for pigment production |
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| CN1952015A (en) * | 2005-10-19 | 2007-04-25 | 上海染料研究所有限公司 | Process for preparing lemon chrome |
| CN209584052U (en) * | 2018-12-28 | 2019-11-05 | 杭州申航新材料有限公司 | The diazotising device of dispersed ruby 167 |
| CN112592602A (en) * | 2020-11-04 | 2021-04-02 | 北京化工大学 | Continuous production system of nano disperse dye |
| CN214916116U (en) * | 2021-07-20 | 2021-11-30 | 杭州映山花颜料化工有限公司 | Diazo reaction device for pigment production |
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