CN108479666A - A kind of dichloro-nicotinic acid reaction kettle that reaction efficiency can be improved - Google Patents
A kind of dichloro-nicotinic acid reaction kettle that reaction efficiency can be improved Download PDFInfo
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- CN108479666A CN108479666A CN201810374306.1A CN201810374306A CN108479666A CN 108479666 A CN108479666 A CN 108479666A CN 201810374306 A CN201810374306 A CN 201810374306A CN 108479666 A CN108479666 A CN 108479666A
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- dichloro
- shell
- nicotinic acid
- ground cover
- reaction kettle
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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
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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
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
- C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
- C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D213/60—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D213/78—Carbon atoms having three bonds to hetero atoms, with at the most one bond to halogen, e.g. ester or nitrile radicals
- C07D213/79—Acids; Esters
- C07D213/80—Acids; Esters in position 3
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
- C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
- C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D213/60—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D213/78—Carbon atoms having three bonds to hetero atoms, with at the most one bond to halogen, e.g. ester or nitrile radicals
- C07D213/79—Acids; Esters
- C07D213/803—Processes of preparation
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
The invention discloses a kind of dichloro-nicotinic acid reaction kettles that reaction efficiency can be improved, including shell and driving machine, the upper end of the shell is connected with head cover, and the outside of shell is enclosed with set folder, the both sides upper end of the shell is provided with bearing, the both sides upper end of the set folder is provided with fixinig plate, the driving machine is located at the upper end middle of head cover, and it is provided with feed inlet on the left of the upper end of head cover, the lower end middle of the shell is reserved with discharge port, the surrounding of the agitating device lower face is inlaid with ball, and the lower end middle of agitating device is connected with convex block, the upper surface of described fixinig plate is reserved with mounting hole, the upper surface of described guide plate is reserved with fourth hole.The dichloro-nicotinic acid reaction kettle of reaction efficiency can be improved in this, by the way that the dichloro-nicotinic acid particle for falling into the reaction kettle to be ground so that the particle of dichloro-nicotinic acid becomes smaller, so that subsequent mixing rate improves, and discharge port can effectively be avoided to be blocked.
Description
Technical field
The present invention relates to reaction kettle technical field, specially a kind of dichloro-nicotinic acid reaction kettle that reaction efficiency can be improved.
Background technology
Reaction kettle is a kind of rustless steel container having material or chemical reaction, and technological requirement has heating, evaporation, cooling
With the mixture response function of low high speed；Dichloro-nicotinic acid is a kind of medicine intermediate, for manufacturing mefenamic acid and Niflumic Acid etc.,
It needs to use reaction kettle when drug makes.Current dichloro-nicotinic acid there is also some problems with reaction kettle, such as work as
Preceding reaction kettle cannot in advance be ground dichloro-nicotinic acid particle when being mixed to dichloro-nicotinic acid, cause some larger
Dichloro-nicotinic acid particle be difficult to melt so that whole mixing efficiency is deteriorated, and the discharge port of reaction kettle is mostly easy by solid
Impurity blocks, therefore we provide a kind of dichloro-nicotinic acid reaction kettle that reaction efficiency can be improved, to solve the above problems.
Invention content
The purpose of the present invention is to provide a kind of dichloro-nicotinic acid reaction kettles that reaction efficiency can be improved, to solve the above-mentioned back of the body
The dichloro-nicotinic acid proposed in scape technology cannot in advance be ground dichloro-nicotinic acid particle with reaction kettle, cause some larger two
Chlorine apellagrin particle is difficult to melt so that whole mixing efficiency is deteriorated, and the discharge port of reaction kettle is mostly easy by solid impurity
The problem of blocking.
To achieve the above object, the present invention provides the following technical solutions：A kind of dichloro-nicotinic acid use that reaction efficiency can be improved
The upper end of reaction kettle, including shell and driving machine, the shell is connected with head cover, and the outside of shell is enclosed with set folder, described
The both sides upper end of shell is provided with bearing, and the both sides upper end of the set folder is provided with fixinig plate, and the driving machine is located at head cover
Upper end middle, and it is provided with feed inlet on the left of the upper end of head cover, the lower end of the driving machine is connected with shaft, the shell
Inner upper end is provided with ground cover, and the right end of ground cover is provided with heating device, and the lower end of the shaft is connected with stirring dress
It sets, and the lower end of agitating device is provided with axle bed, the lower end middle of the shell is reserved with discharge port, under the ground cover
End is provided with guide plate, and observation panel is provided on front side of the upper end of the shell, and the centre of the fixinig plate is reserved with first through hole,
The lower end middle of the set folder is reserved with the second through-hole, and connecting rod, and the port of connecting rod are connected on the left of the shaft
Place is connected with floating rule, and the lower end of the connecting rod is provided with mixing roll, and the connecting rod, floating rule and mixing roll are respectively positioned on ground cover
Inside, and the lower end middle of ground cover is reserved with third through-hole, and the surrounding of the agitating device lower face is inlaid with rolling
Pearl, and the lower end middle of agitating device is connected with convex block, the upper surface of described fixinig plate is reserved with mounting hole, the guide plate
It is reserved with fourth hole above.
Preferably, the set is folded with two pieces, and 2 set folders constitute detaching structure, and covers the madial wall and shell of folder
Lateral wall fit.
Preferably, the shape of the ground cover is truncated cone-shaped, and ground cover and shell constitute detaching structure, and ground cover
The top diameter it is consistent with the inside greatest diametrical dimension of shell.
Preferably, the right side of the discharge port is equipped with air inlet, and air inlet is connected with the inside of discharge port.
Preferably, the guide plate and shaft are integrally formed formula structure, and the shape of guide plate is truncated cone-shaped, and are oriented to
The diameter dimension of plate gradually increases from top to bottom.
Preferably, the connecting rod and floating rule are integrally formed formula structure, and floating rule and the madial wall of ground cover fit, and
And the thickness of floating rule is less than the distance between ground cover and mixing roll size.
Preferably, the mixing roll and shaft are integrally formed formula structure, and the lateral wall shape of mixing roll and ground cover
Madial wall shape is consistent, and is not bonded between mixing roll and ground cover.
Preferably, the convex block runs through into axle bed, and is fixedly connected between the bottom and shell of axle bed.
Preferably, the fourth hole runs through guide plate, and fourth hole is uniformly arranged on guide plate.
Compared with prior art, the beneficial effects of the invention are as follows：The dichloro-nicotinic acid reaction kettle of reaction efficiency can be improved in this,
By the way that the dichloro-nicotinic acid particle for falling into the reaction kettle is ground so that the particle of dichloro-nicotinic acid becomes smaller, so that subsequently
Mixing rate improve, and can effectively avoid discharge port be blocked,
(1) it is equipped with set folder, fixinig plate and mounting hole, set folder can protect shell, and can play heat-insulated work
With, and cover detachable between folder, can effectively prevent shell stuck in set presss from both sides, facilitate and take out shell, fixinig plate and
The setting of mounting hole, it is convenient that set folder is fixed；
(2) bearing and first through hole are equipped with, can prop up bearing using supporting rod, so to shell and head cover integrally into
Row support, and supporting rod needs guiding through first through hole, and then effectively shell and head cover are fixed in set folder；
(3) it is equipped with driving machine, shaft and agitating device, drives shaft and agitating device to revolve using extraneous control unit
Turn, and then dichloro-nicotinic acid and other materials can be mixed；
(4) it is equipped with ground cover, mixing roll, ground cover coordinates mixing roll, can effectively be ground to dichloro-nicotinic acid particle
Mill so that dichloro-nicotinic acid particle becomes smaller so that the subsequent mixed effect of dichloro-nicotinic acid is more preferable；
(5) it is equipped with connecting rod and floating rule, the connecting rod above shaft can drive floating rule to rotate, and floating rule by ground cover and can be ground
The particle of adhesion scrapes off above grinding roller, and avoiding particle from being trapped in above the two for a long time can cause stuck, lead to grinding efficiency
It is deteriorated, plays the role of anticlogging；
(6) being equipped with discharge port and air inlet can be led gas by air inlet using air pump when discharge port is stuck
Enter into shell, can effectively prevent discharge port to be blocked, and when dichloro-nicotinic acid mixes, it can by the gas of air inlet
Accelerate material rolling, and then increases reaction rate；
(7) axle bed, convex block and ball are equipped with, convex block sticks into axle bed so that axle bed can countershaft limited, avoid
Shaft is susceptible to the case where moving left and right, and the setting of ball can reduce the frictional force between agitating device and axle bed, can
Effectively shaft is avoided to be stuck.
Description of the drawings
Fig. 1 is that the present invention faces cross-sectional view；
Fig. 2 is positive structure diagram of the present invention；
Fig. 3 is that the present invention faces internal structure schematic diagram；
Fig. 4 is that present invention set presss from both sides overlooking structure diagram；
Fig. 5 is ground cover of the present invention and mixing roll overlooking structure diagram；
Fig. 6 is structural schematic diagram at A in Fig. 1 of the present invention；
Fig. 7 is agitating device fragmentary bottom structural schematic diagram of the present invention.
In figure：1, shell；2, head cover；3, set folder；4, bearing；5, fixinig plate；6, driving machine；7, feed inlet；8, shaft；9、
Ground cover；10, heating device；11, agitating device；12, axle bed；13, discharge port；14, air inlet；15, guide plate；16, it observes
Mouthful；17, first through hole；18, the second through-hole；19, connecting rod；20, floating rule；21, mixing roll；22, third through-hole；23, ball；
24, convex block；25, mounting hole；26, fourth hole.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
- 7 are please referred to Fig.1, the present invention provides a kind of technical solution：A kind of dichloro-nicotinic acid reaction that reaction efficiency can be improved
Kettle, including shell 1, head cover 2, set folder 3, bearing 4, fixinig plate 5, driving machine 6, feed inlet 7, shaft 8, ground cover 9, heating device
10, agitating device 11, axle bed 12, discharge port 13, air inlet 14, guide plate 15, observation panel 16, first through hole 17, the second through-hole
18, connecting rod 19, floating rule 20, mixing roll 21, third through-hole 22, ball 23, convex block 24, mounting hole 25 and fourth hole 26, shell
The upper end of body 1 is connected with head cover 2, and the outside of shell 1 is enclosed with set folder 3, and set folder 3 is equipped with two pieces, and 2 set folders 3 are constituted and torn open
The lateral wall of the madial wall and shell 1 that unload structure, and cover folder 3 fits, and the setting of set folder 3 can protect shell 1
Shield, and heat-insulated effect can be played, avoid 1 temperature of shell is excessively high from being easy to make one injured, and conveniently torn open to set folder 3
It unloads, avoids 1 long-time of shell from being located at set folder 3 and be easy to be stuck, cause to be not easy to take off, the both sides upper end of shell 1 is provided with
The both sides upper end of bearing 4, set folder 3 is provided with fixinig plate 5, and driving machine 6 is located at the upper end middle of head cover 2, and the upper end of head cover 2
Left side is provided with feed inlet 7, and the lower end of driving machine 6 is connected with shaft 8, and the inner upper end of shell 1 is provided with ground cover 9, and grinds
The right end of mill lid 9 is provided with heating device 10, and the shape of ground cover 9 is truncated cone-shaped, and ground cover 9 and shell 1 constitute dismounting knot
Structure, and the top diameter of ground cover 9 is consistent with the inside greatest diametrical dimension of shell 1, and ground cover 9 can coordinate mixing roll
21 pairs of dichloro-nicotinic acid particles fallen are ground so that the particle of dichloro-nicotinic acid becomes smaller, so that subsequent mixed process
In, the mixing efficiency of dichloro-nicotinic acid increases, and avoids particle is excessive from causing dichloro-nicotinic acid that cannot effectively dissolve, the lower end of shaft 8
It is connected with agitating device 11, and the lower end of agitating device 11 is provided with axle bed 12, the lower end middle of shell 1 is reserved with discharge port
13, the right side of discharge port 13 is equipped with air inlet 14, and air inlet 14 is connected with the inside of discharge port 13, when discharge port 13 is blocked
When plug, the stuck discharge port 13 of solid particle can be effectively prevented by air inlet 14 to 1 exhaust gas inside of shell, and
The gas entered inside shell 1 can speed up raw material rolling, and then accelerate mixing, and the lower end of ground cover 9 is provided with guide plate
15, guide plate 15 and shaft 8 are integrally formed formula structure, and the shape of guide plate 15 is truncated cone-shaped, and the diameter of guide plate 15
Size gradually increases from top to bottom, when after grinding dichloro-nicotinic acid and water fall on together on guide plate 15 when, guide plate 15 can
By the surrounding of the uniform guide housings of dichloro-nicotinic acid 1 so that dichloro-nicotinic acid quickly and can be mixed uniformly, the upper end of shell 1
Front side is provided with observation panel 16, and the centre of fixinig plate 5 is reserved with first through hole 17, and the lower end middle of set folder 3 is reserved with second
The left side of through-hole 18, shaft 8 is connected with connecting rod 19, and floating rule 20 is connected at the port of connecting rod 19, under connecting rod 19
End is provided with mixing roll 21, and connecting rod 19, floating rule 20 and mixing roll 21 are respectively positioned on the inside of ground cover 9, and the lower end of ground cover 9
Middle is reserved with third through-hole 22, and connecting rod 19 and floating rule 20 are integrally formed formula structure, and the inside of floating rule 20 and ground cover 9
Wall fits, and the thickness of floating rule 20 is less than the distance between ground cover 9 and mixing roll 21 size, and dichloro-nicotinic acid is in quilt
When grinding, some particles can stick on the madial wall and mixing roll 21 of ground cover 9, at this time 20 phase interworking of connecting rod 19 and floating rule
It closes, effectively the dichloro-nicotinic acid particle above the two can be scraped off, play anti-jamming effect, increase grinding effect
Rate, mixing roll 21 and shaft 8 are integrally formed formula structure, and the madial wall shape of the lateral wall shape of mixing roll 21 and ground cover 9
Unanimously, and between mixing roll 21 and ground cover 9 it is not bonded, drives mixing roll 21 to rotate by shaft 8, shape cooperation grinding
Roller 21 can effectively be ground dichloro-nicotinic acid particle, and then increase subsequent mixing efficiency, 11 lower face of agitating device
Surrounding be inlaid with ball 23, and the lower end middle of agitating device 11 is connected with convex block 24, and convex block 24 runs through into axle bed 12,
And be fixedly connected between the bottom and shell 1 of axle bed 12, convex block 24 sticks into axle bed 12 so that axle bed 12 can countershaft 8 into
Row limit, avoids shaft 8 from being susceptible to the case where moving left and right, plays the role of guiding, the upper surface of fixinig plate 5 is reserved with peace
Hole 25 is filled, the upper surface of guide plate 15 is reserved with fourth hole 26, and fourth hole 26 runs through guide plate 15, and fourth hole 26 is uniform
Setting on guide plate 15, the setting of fourth hole 26 so that when dichloro-nicotinic acid is fallen on guide plate 15, the 4th can be passed through
Through-hole 26 falls on lower section, and then dichloro-nicotinic acid is enable uniformly to fall on lower section.
Operation principle：When the dichloro-nicotinic acid reaction kettle of reaction efficiency can be improved using this, set folder 3 can be installed to
After together, fixinig plate 5 is fixed using bolt and fourth hole 26, and then set folder 3 is made to form an entirety, then by shell
The entirety of body 1 and head cover 2 be put into set folder 3 in, then by supporting rod pass through fixinig plate 5 in first through hole 17 in, and with bearing 4
It is connected, and then plays the role of being supported shell 1 and head cover 2, and set folder 3 is easy to disassemble, avoids shell 1 stagnant for a long time
It stays in set folder 3 and is susceptible to stuck situation, cause to be inconvenient to be removed to come, when needing to mix dichloro-nicotinic acid,
Dichloro-nicotinic acid and other materials can be launched to the inside for arriving head cover 2 by feed inlet 7, beaten at this time by extraneous control unit
Driving machine 6 is opened, makes shaft 8 that mixing roll 21 be driven to rotate, when dichloro-nicotinic acid particle falls on 9 inside of ground cover, ground cover 9 coordinates
Mixing roll 21 can effectively be ground dichloro-nicotinic acid particle so that dichloro-nicotinic acid particle becomes smaller so that after dichloro-nicotinic acid
Continuous mixed effect is more preferable, and the connecting rod 19 above shaft 8 can drive floating rule 20 to rotate at this time, and floating rule 20 can be by ground cover 9
The particle of adhesion scrapes off above with mixing roll 21, and avoiding particle from being trapped in above the two for a long time can cause stuck, cause to grind
Deterioration of efficiency is ground, plays the role of anticlogging, the dichloro-nicotinic acid particle after final grinding can be fallen on by the second through-hole 18 leads
To on plate 15, guide plate 15 coordinates the fourth hole 26 above it at this time, enables to the dichloro-nicotinic acid fallen uniform
Fall on lower section so that dichloro-nicotinic acid can be mixed uniformly and quickly, and final agitating device 11 can mix dichloro-nicotinic acid
Object is stirred mixing, the setting of axle bed 12 and convex block 24, can countershaft 8 positioned, avoid shaft 8 from being susceptible to shaking
The case where, and the setting of ball 23, the frictional force between agitating device 11 and axle bed 12 can be reduced, shaft can be effectively avoided
8 are stuck, and in mixing, can open heating device 10 by extraneous switch so that and dichloro-nicotinic acid can quickly dissolve, when
When needing blowing, observation panel 16 during which can be utilized to watch the inside of the reaction kettle, final material can be flowed out by discharge port 13,
When discharge port 13 is stuck, gas can be imported by air inlet 14 in shell 1 using air pump, can effectively be prevented
Discharge port 13 is blocked, and when dichloro-nicotinic acid mixes, and can speed up material rolling by the gas of air inlet 14, and then increase
Reaction rate, the process are the workflow of the present invention.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (9)
1. a kind of dichloro-nicotinic acid reaction kettle that reaction efficiency can be improved, including shell (1) and driving machine (6), it is characterised in that：
The upper end of the shell (1) is connected with head cover (2), and the outside of shell (1) is enclosed with set folder (3), the both sides of the shell (1)
Upper end is provided with bearing (4), and the both sides upper end of the set folder (3) is provided with fixinig plate (5), and the driving machine (6) is located at head cover
(2) upper end middle, and it is provided with feed inlet (7) on the left of the upper end of head cover (2), the lower end of the driving machine (6) is connected with
The inner upper end of shaft (8), the shell (1) is provided with ground cover (9), and the right end of ground cover (9) is provided with heating device
(10), the lower end of the shaft (8) is connected with agitating device (11), and the lower end of agitating device (11) is provided with axle bed (12),
The lower end middle of the shell (1) is reserved with discharge port (13), and the lower end of the ground cover (9) is provided with guide plate (15),
It is provided with observation panel (16) on front side of the upper end of the shell (1), the centre of the fixinig plate (5) is reserved with first through hole (17),
The lower end middle of the set folder (3) is reserved with the second through-hole (18), and connecting rod (19) is connected on the left of the shaft (8),
And floating rule (20) is connected at the port of connecting rod (19), the lower end of the connecting rod (19) is provided with mixing roll (21), described
Connecting rod (19), floating rule (20) and mixing roll (21) are respectively positioned on the inside of ground cover (9), and the lower end middle of ground cover (9)
It is reserved with third through-hole (22), the surrounding of agitating device (11) lower face is inlaid with ball (23), and agitating device
(11) lower end middle is connected with convex block (24), and the upper surface of described fixinig plate (5) is reserved with mounting hole (25), the guide plate
The upper surface of (15) it is reserved with fourth hole (26).
2. a kind of dichloro-nicotinic acid reaction kettle that reaction efficiency can be improved according to claim 1, it is characterised in that：It is described
Set folder (3) is equipped with two pieces, and 2 set folders (3) constitute detaching structure, and covers the lateral wall of the madial wall and shell (1) of folder (3)
It fits.
3. a kind of dichloro-nicotinic acid reaction kettle that reaction efficiency can be improved according to claim 1, it is characterised in that：It is described
The shape of ground cover (9) is truncated cone-shaped, and ground cover (9) and shell (1) constitute detaching structure, and ground cover (9) is most upper
Hold diameter consistent with the inside greatest diametrical dimension of shell (1).
4. a kind of dichloro-nicotinic acid reaction kettle that reaction efficiency can be improved according to claim 1, it is characterised in that：It is described
The right side of discharge port (13) is equipped with air inlet (14), and air inlet (14) is connected with the inside of discharge port (13).
5. a kind of dichloro-nicotinic acid reaction kettle that reaction efficiency can be improved according to claim 1, it is characterised in that：It is described
Guide plate (15) and shaft (8) are integrally formed formula structure, and the shape of guide plate (15) is truncated cone-shaped, and guide plate (15)
Diameter dimension gradually increases from top to bottom.
6. a kind of dichloro-nicotinic acid reaction kettle that reaction efficiency can be improved according to claim 1, it is characterised in that：It is described
Connecting rod (19) and floating rule (20) are integrally formed formula structure, and floating rule (20) and the madial wall of ground cover (9) fit, and scrape
The thickness of bar (20) is less than the distance between ground cover (9) and mixing roll (21) size.
7. a kind of dichloro-nicotinic acid reaction kettle that reaction efficiency can be improved according to claim 1, it is characterised in that：It is described
Mixing roll (21) and shaft (8) are integrally formed formula structure, and the madial wall of the lateral wall shape of mixing roll (21) and ground cover (9)
Shape is consistent, and is not bonded between mixing roll (21) and ground cover (9).
8. a kind of dichloro-nicotinic acid reaction kettle that reaction efficiency can be improved according to claim 1, it is characterised in that：It is described
Convex block (24) runs through into axle bed (12), and is fixedly connected between the bottom of axle bed (12) and shell (1).
9. a kind of dichloro-nicotinic acid reaction kettle that reaction efficiency can be improved according to claim 1, it is characterised in that：It is described
Fourth hole (26) runs through guide plate (15), and fourth hole (26) is uniformly arranged on guide plate (15).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810374306.1A CN108479666A (en) | 2018-04-24 | 2018-04-24 | A kind of dichloro-nicotinic acid reaction kettle that reaction efficiency can be improved |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810374306.1A CN108479666A (en) | 2018-04-24 | 2018-04-24 | A kind of dichloro-nicotinic acid reaction kettle that reaction efficiency can be improved |
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| CN108479666A true CN108479666A (en) | 2018-09-04 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111298736A (en) * | 2020-03-05 | 2020-06-19 | 杭州富阳永星化工有限公司 | Heat exchange equipment and glyoxal preparation process based on same |
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| CN111298736A (en) * | 2020-03-05 | 2020-06-19 | 杭州富阳永星化工有限公司 | Heat exchange equipment and glyoxal preparation process based on same |
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