CN206688691U - Prepare the reactor and system of sulfamic acid - Google Patents
Prepare the reactor and system of sulfamic acid Download PDFInfo
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- CN206688691U CN206688691U CN201720519612.0U CN201720519612U CN206688691U CN 206688691 U CN206688691 U CN 206688691U CN 201720519612 U CN201720519612 U CN 201720519612U CN 206688691 U CN206688691 U CN 206688691U
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- reactor
- hot water
- pipeline
- water inlet
- heat exchanging
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- LNOPIUAQISRISI-UHFFFAOYSA-N n'-hydroxy-2-propan-2-ylsulfonylethanimidamide Chemical compound CC(C)S(=O)(=O)CC(N)=NO LNOPIUAQISRISI-UHFFFAOYSA-N 0.000 title claims abstract description 47
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 59
- 239000000498 cooling water Substances 0.000 claims abstract description 31
- 230000008676 import Effects 0.000 claims description 29
- 238000000967 suction filtration Methods 0.000 claims description 21
- 238000001816 cooling Methods 0.000 claims description 20
- 239000012452 mother liquor Substances 0.000 claims description 16
- 239000002253 acid Substances 0.000 claims description 15
- 238000007599 discharging Methods 0.000 claims description 14
- 238000002156 mixing Methods 0.000 claims description 14
- 239000002826 coolant Substances 0.000 claims description 13
- 238000003756 stirring Methods 0.000 claims description 13
- 239000007787 solid Substances 0.000 claims description 11
- 239000007788 liquid Substances 0.000 claims description 10
- 239000013535 sea water Substances 0.000 claims description 9
- 238000002425 crystallisation Methods 0.000 claims description 7
- 239000007921 spray Substances 0.000 claims description 7
- 230000008025 crystallization Effects 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 abstract description 28
- 238000004519 manufacturing process Methods 0.000 abstract description 17
- 238000006243 chemical reaction Methods 0.000 description 20
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 13
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 10
- 239000004202 carbamide Substances 0.000 description 10
- 238000000034 method Methods 0.000 description 8
- 239000000047 product Substances 0.000 description 8
- 238000010438 heat treatment Methods 0.000 description 7
- 239000007791 liquid phase Substances 0.000 description 5
- 239000012043 crude product Substances 0.000 description 4
- 239000000523 sample Substances 0.000 description 4
- 229910001220 stainless steel Inorganic materials 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 238000010792 warming Methods 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- 238000004886 process control Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000007670 refining Methods 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910021536 Zeolite Inorganic materials 0.000 description 1
- 238000005575 aldol reaction Methods 0.000 description 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000032050 esterification Effects 0.000 description 1
- 238000005886 esterification reaction Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- -1 kettle body 100 Chemical compound 0.000 description 1
- 231100001231 less toxic Toxicity 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000009965 odorless effect Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 description 1
- 230000001869 rapid Effects 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000001117 sulphuric acid Substances 0.000 description 1
- 235000011149 sulphuric acid Nutrition 0.000 description 1
- 238000010189 synthetic method Methods 0.000 description 1
- 210000002700 urine Anatomy 0.000 description 1
- 239000012808 vapor phase Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
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- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
It the utility model is related to the production technical field of sulfamic acid, and in particular to a kind of reactor and system for preparing sulfamic acid.The reactor provided by the utility model for preparing sulfamic acid, provided with heat exchanging part, by cooling water and hot water material in reactor is cooled down respectively and heat temperature raising, pre-reactor is not needed, reduce equipment cost, the thermal loss of material course of conveying between two reactors is reduced simultaneously, reduces the production time.The system provided by the utility model for preparing sulfamic acid, equipment is simple, and production efficiency is high, resource circulation utilization, saves cost, is advantageous to carry out industrialized production.
Description
Technical field
Sulfamic acid technical field is the utility model is related to, more particularly to a kind of reactor for preparing sulfamic acid and is
System.
Background technology
Sulfamic acid (NH2S03H it is) that a kind of solid unitary inorganic is sour, white crystal.Sulfamic acid is non-hygroscopic, it is non-volatile,
It is odorless, stability is good, several years of storage keep the several years it is constant.Sulfamic acid degree of ionization is big, acid strong, can be with sulfuric acid, hydrochloric acid, nitre
Acid is mentioned in the same breath, and has the title of " solid sulphuric acid ", but but very little is simultaneously less toxic for corrosivity.
Sulfamic acid has good catalytic activity, and corrosivity is small, and side reaction is few, can be contracted with catalytic esterification, aldol
Reaction is closed, the production of para-ester is can be applied to, is a kind of new environmental protection catalyst.
The synthetic method of sulfamic acid mainly has vapor phase method, liquid phase method and FCC Off-Gas over Zeolite Catalyst at present.Due to liquid phase method technique stream
Journey is simple, easy to operate, and the three wastes are few, and product yield is high, and quality is good, is to produce the more commonly used side of sulfamic acid both at home and abroad at present
Method.It is made by industrial urea and oleum in Liquid-phase reactor, the sulfamic acid crude product of generation is through separating, refining, dry
Obtain finished product.
During liquid phase method produces sulfamic acid, using oleum and urea as raw material, after reacting in a kettle, warp
Obtain sulfamic acid crude product after cooling, separation, the sulfamic acid crude product of generation again through refined, dry high-purity sulfamic acid into
Product.But, it is necessary to pre-reactor of being connected before reactor before reactor is entered, for hybrid reaction material, by the smoke of part
Sulfuric acid is added in reactor, stirring, is slowly added to urea and remaining sulfuric acid, dissolved urea, this process control temp is 20-
40 DEG C, this is due to contain moisture in urea, releases heat with oleum reaction during addition, temperature can be taken away more than 40 DEG C
Part SO3；After charging is well mixed, reactor is entered back into, generally using steam heating gradually 70-90 DEG C of heating, starts to react.
Using pre-reactor and reactor, equipment cost is not only increased, and material conveyed from preheating reactor into reactor
Heat is have lost in journey, extends the extension of production time.
In view of this, the utility model is proposed.
Utility model content
The purpose of this utility model is to provide a kind of reactor for preparing sulfamic acid, and the reactor is provided with heat exchanging part,
Material in reactor is cooled down by cooling water and hot water and heat temperature raising, it is not necessary to pre-reactor, reduce and set
Standby cost, while the thermal loss of material course of conveying between two reactors is reduced, reduce the production time.
Another object of the present utility model is to provide a kind of system of standby sulfamic acid, and the system equipment is simple, production
Efficiency high, resource circulation utilization, cost is saved, be advantageous to carry out industrialized production.
To achieve the above object, the technical solution adopted in the utility model is：
A kind of reactor for preparing sulfamic acid includes kettle body, mixing part, heat exchanging part and temperature sensor；
Wherein：The kettle body includes kettle cover and housing, and the kettle cover and the housing is are detachably connected, the kettle cover
Top is provided with liquid inlet opening, feeding-in solid body mouth and exhaust outlet, and the housing bottom is provided with discharging opening；
The mixing part, including motor and stirring parts, it is external that the motor is arranged at the kettle sheet, and the stirring parts are set
In in kettle body；
The heat exchanging part is external jacket or outer coil pipe；
The import of the heat exchanging part connects cooling water inlet pipeline and hot water inlet pipeline, the outlet of the heat exchanging part respectively
Coolant outlet pipeline and hot water export pipeline are connected respectively.
Further, the import of the heat exchanging part connects cooling water inlet pipeline respectively by import triple valve and hot water enters
Mouth pipeline, the outlet of the heat exchanging part connects coolant outlet pipeline and hot water export pipeline respectively by exporting triple valve.
Further, the import of the heat exchanging part connects cooling water with hot water inlet valve by cooling sea water inlet valve respectively and entered
Mouth pipeline and hot water inlet pipeline, the outlet of the heat exchanging part connect cooling by cooling sea water outlet valve with hot water outlet valve respectively
Water outlet line and hot water export pipeline.
Further, the kettle cover is that flange connects with the housing.
Further, the kettle inner body wall is arranged with deflection plate.
Further, spray part is provided with below the liquid inlet opening.
Further, the mixing part is arm stirrer, turbine agitator or shaft mixer.
Further, the temperature sensor is resistance temperature detector or thermocouple type temperature sensor.
The utility model provide it is a kind of prepares the system of sulfamic acid, including be sequentially connected as claim 1-8 is any
Reactor, tourie, the first suction filtration tank, dissolving pan, crystallization kettle, the second suction filtration tank and drying machine described in.
Further, the system for preparing sulfamic acid also includes diluted acid storage tank, the charging aperture of the diluted acid storage tank with
First suction filtration tank is connected, and the discharging opening of the diluted acid storage tank is connected with the dissolving pan；
Also include mother liquor tank, the charging aperture of the mother liquor tank is connected with second suction filtration tank, the discharging of the mother liquor tank
Mouth is connected with the tourie.
Compared with prior art, the beneficial effects of the utility model are：
1. the reactor provided by the utility model for preparing sulfamic acid, can be entered by heat exchanging part to material in reactor
Row cools and heat temperature raising, it is not necessary to pre-reactor, reduces equipment cost, while reduces material in two reactors
Between course of conveying thermal loss, reduce the production time.
2. the reactor provided by the utility model for preparing sulfamic acid, cooling water and hot water is respectively adopted in reactor
Material cools down and heat temperature raising, and cooling water and hot water can be recycled, and pollution-free.
3. the system provided by the utility model for preparing sulfamic acid, equipment is simple, rationally distributed, and production efficiency is high, has
Beneficial to progress industrialized production.
4. the system provided by the utility model for preparing sulfamic acid, the dilute sulfuric acid obtained through the first suction filtration tank can be stored in
It is standby in diluted acid storage tank, it is used for after being prepared with water in dissolving pan, the mother liquor obtained through the second suction filtration tank can be used in tourie, section
About resource, save cost.
Brief description of the drawings
, below will be right in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
The required accompanying drawing used is briefly described in embodiment or description of the prior art, it should be apparent that, describe below
In accompanying drawing be some embodiments of the present utility model, for those of ordinary skill in the art, do not paying creativeness
On the premise of work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the first embodiment of the reactor provided by the utility model for preparing sulfamic acid
Figure；
Fig. 2 is the structural representation of second of embodiment of the reactor provided by the utility model for preparing sulfamic acid
Figure；
Fig. 3 is the structural representation of the third embodiment of the reactor provided by the utility model for preparing sulfamic acid
Figure；
Fig. 4 is the flow chart of the system provided by the utility model for preparing sulfamic acid.
Seal：100- kettle bodies；101- kettle covers；102- housings；103- liquid inlet openings；104- feeding-in solid body mouths；105-
Discharging opening；106- exhaust outlets；107- deflection plates；108- sprays part；200- mixing parts；201- motors；202- stirring parts；300-
Heat exchanging part；301- imports；302- cooling water inlet pipelines；303- hot water inlet pipelines；304- is exported；305- cooling water outlet pipes
Road；306- hot water export pipelines；307- import triple valves；308- exports triple valve；309- cooling sea water inlet valves；310- hot water
Inlet valve；311- cooling sea water outlet valves；312- hot water outlet valves；400- temperature sensors.
Embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with accompanying drawing, it is clear that described
Embodiment is the utility model part of the embodiment, rather than whole embodiments.Based on the embodiment in the utility model, sheet
The every other embodiment that field those of ordinary skill is obtained under the premise of creative work is not made, belongs to this practicality
Novel protected scope.
, it is necessary to explanation, the orientation of the instruction such as term " on ", " under ", " interior ", " outer " in description of the present utility model
Or position relationship is based on orientation shown in the drawings or position relationship, is for only for ease of description the utility model and simplification is retouched
State, rather than instruction or imply signified device or element there must be specific orientation, with specific azimuth configuration and operation,
Therefore it is not intended that to limitation of the present utility model.In addition, term " first ", " second " are only used for describing purpose, and can not
It is interpreted as indicating or implying relative importance.
, it is necessary to illustrate in description of the present utility model, unless otherwise clearly defined and limited, term " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
Concrete meaning in utility model.
During liquid phase method produces sulfamic acid, using oleum and urea as raw material, after reacting in a kettle, warp
Cooling, separation, obtain sulfamic acid finished product after refining.But, it is necessary to pre-reactor of being connected before reactor before reactor is entered,
For hybrid reaction material, the oleum of part is added in reactor, stirring, is slowly added to urea and remaining sulfuric acid, it is molten
Urea is solved, this process control temp is 20-40 DEG C, and this is due to contain moisture in urea, is reacted with oleum during addition
Heat is released, temperature can take away part SO more than 40 DEG C3；After charging is well mixed, reactor is entered back into, generally utilizes steam
Heating gradually 70-90 DEG C of heating, starts to react.Using pre-reactor and reactor, equipment cost, and thing are not only increased
Material have lost heat into reactor from preheating reactor in course of conveying, extend the extension of production time.
The utility model provides a kind of reactor for preparing sulfamic acid, including kettle body 100, mixing part 200, heat exchanging part
300 and temperature sensor 400, heat exchanging part 300 reactor can be cooled down and heated.So reduce pre-reactor, only need
Will be in a reactor to reaction mass, realization cools and heat temperature raising, reduces equipment cost, while reduce thing
Expect the thermal loss of the course of conveying between two reactors, reduce the production time.
Fig. 1 is a kind of structural representation of embodiment of the reactor provided by the utility model for preparing sulfamic acid,
The reactor provided by the utility model for preparing sulfamic acid is introduced with reference to Fig. 1.
As shown in figure 1, kettle body 100 includes kettle cover 101 and housing 102, kettle cover 101 and housing 102 are to be detachably connected.
In a specific embodiment, kettle cover 101 and housing 102 are that flange connect, are connected using flange, installation with
Convenient disassembly, compressive strength are high, good seal performance.
The top of kettle cover 101 is provided with liquid inlet opening 103 and feeding-in solid body mouth 104, is respectively used to add oleum and urine
Element.
As preferred embodiment, the lower section of liquid inlet opening 103 is provided with spray part 108.Wherein, spray on part 108
It is even to be provided with multiple spray apertures, oleum can be made to enter dispersedly in kettle body 100, and with the thing in kettle body 100
Matter quickly reacted by fully contact mixing.
It should be noted that spray part 108 may be designed as annular, kettle sheet is entered from feeding-in solid body mouth 104 with blocking-proof solid
Body 100.
The top of kettle cover 101 is additionally provided with exhaust outlet 106, the discharge for the gaseous impurity in course of reaction.
The bottom of housing 102 is provided with discharging opening 105, for output-response product.
Mixing part 200 enables reaction mass to be sufficiently mixed uniformly, while beneficial to heat transfer.Mixing part 200 includes motor 201
With stirring parts 202, motor 201 is arranged at outside kettle body 100, and stirring parts 202 are arranged in kettle body 100.Stirring parts 202 are in electricity
Under the driving of machine 201, drive reaction mass rotate, be well mixed reaction mass, meanwhile, be advantageous to reaction mass mass transfer and
Heat transfer.
As a kind of specific embodiment, mixing part 200 can be arm stirrer, turbine agitator or shaft type
Agitator.
In order to increase the efficiency of stirring, a reactor can set two or more mixing parts 200.
In order that in reactor reactant mixing more uniformly, be arranged with projection on the inwall of kettle body 100
Deflection plate 107, deflection plate 107 along the axial direction of housing 102 set.Stirring parts 202 are rotated by motor 201, are entered
And the rotation of reaction mass is driven, swirl shape is formed, the middle and upper part of whirlpool is collided with deflection plate 107 again, is formed and is produced new rapids
Stream, mixed material, carries out being sufficiently mixed reaction again, and using the gravity of material itself, under the quick rotation of stirring parts 202
Reaction mass is set to be sufficiently mixed reaction.
Deflection plate 107 is symmetricly set on the inwall of kettle body 100, and deflection plate 107 can be two or more.
The import 301 of heat exchanging part 300 connects cooling water inlet pipeline 302 and hot water inlet pipeline 303, heat exchanging part respectively
300 outlet 304 connects coolant outlet pipeline 305 and hot water export pipeline 306 respectively.
Material in reactor is cooled down using cooling water and hot water and heat temperature raising, cooling water and hot water
Recycled, and totally, it is pollution-free.
As a kind of embodiment, heat exchanging part 300 is external jacket, and external jacket is centered around the appearance of housing 102
Face, wherein, the import 301 of external jacket connects cooling water inlet pipeline 302 respectively by import triple valve 307 and hot water enters
Mouth pipeline 303, by exporting, triple valve 308 connects coolant outlet pipeline 305 respectively and hot water goes out for the outlet 304 of external jacket
Mouth pipeline 306.
, it is necessary to carry out cooling operation when adding material pre-reaction, rotating inlet triple valve 307, make the import of external jacket
301 are connected with cooling water inlet pipeline 302；Rotation outlet triple valve 308, make outlet 304 and the coolant outlet of external jacket
Pipeline 305 is connected；Import 301 of the cooling water from cooling water inlet pipeline 302 Jing Guo external jacket is passed through external jacket, then from outer
The outlet 304 of portion's chuck is discharged by coolant outlet pipeline 305, for the material in cooling reactor body 100, controls kettle sheet
The temperature of body 100 is 20-40 DEG C.
Material adds be mixed evenly after, into during the stage of reaction, it is necessary to carry out warming temperature, rotating inlet triple valve
307, the import 301 of external jacket is connected with hot water inlet pipeline 303, rotation outlet triple valve 308, make going out for external jacket
Mouth 304 is connected with hot water export pipeline 306, and import 301 of the hot water from hot water inlet pipeline 303 Jing Guo external jacket enters outer
Portion's chuck, then discharged from the outlet 304 of external jacket by hot water export pipeline 306, for the thing in heating kettle body 100
Material, the temperature for controlling kettle body 100 are 70-90 DEG C.
Temperature sensor 400, for monitoring the temperature in kettle body 100.Kettle body 100 includes probe and feeler lever, probe
Positioned at the middle and lower part of kettle body 100, it is connected with one end of feeler lever, the other end of feeler lever is stretched to outside kettle body 100, and probe measures
Temperature inside kettle body 100, and spread out of by feeler lever.The probe and feeler lever of temperature sensor 400 are corrosion resistant stainless steel,
Prevent from being corroded by the material in reactor.
As a kind of specific embodiment, temperature sensor 400 is resistance temperature detector or thermocouple type temperature
Sensor.
The kettle body 100 of reactor uses stainless steel structure.As a kind of specific embodiment, the kettle body of reactor
100 use 316L stainless steels.316L stainless steels have preferable corrosion resistance.
Fig. 2 is the structural representation of second of embodiment of the reactor provided by the utility model for preparing sulfamic acid
Figure, as shown in Fig. 2 be with the difference of the first embodiment, the heat exchanging part 300 of present embodiment is outer coil pipe, outer coil pipe
It is arranged at the outer surface of housing 102.
As a kind of specific embodiment, outer coil pipe spiral surrounding is in the outer surface of housing 102.The import of outer coil pipe
301 connect cooling water inlet pipeline 302 and hot water inlet pipeline 303, the outlet of outer coil pipe respectively by import triple valve 307
304 connect coolant outlet pipeline 305 and hot water export pipeline 306 respectively by exporting triple valve 308.
, it is necessary to carry out cooling operation when adding material pre-reaction, rotating inlet triple valve 307, make the import 301 of outer coil pipe
It is connected with cooling water inlet pipeline 302, rotation exports triple valve 308, makes outlet 304 and the coolant outlet pipeline of outer coil pipe
305 are connected, and cooling water is passed through outer coil pipe, then going out from outer coil pipe from cooling water inlet pipeline 302 by the import 301 of outer coil pipe
Mouth 304 is discharged by coolant outlet pipeline 305, for the material in cooling reactor body 100, the temperature of control kettle body 100
For 20-40 DEG C.
Material adds be mixed evenly after, into during the stage of reaction, it is necessary to carry out warming temperature, rotating inlet triple valve
307, the import 301 of outer coil pipe is connected with hot water inlet pipeline 303, rotation outlet triple valve 308, make the outlet of outer coil pipe
304 are connected with hot water export pipeline 306, and hot water enters outer coil pipe from hot water inlet pipeline 303 by the import 301 of outer coil pipe,
Discharged again from the outlet 304 of outer coil pipe by hot water export pipeline 306, for the material in heating kettle body 100, control kettle
The temperature of body 100 is 70-90 DEG C.
Fig. 3 is the structural representation of the third embodiment of the reactor provided by the utility model for preparing sulfamic acid
Figure, as shown in figure 3, being with the difference of the first embodiment, present embodiment substitutes triple valve using branch road valve.
The import 301 of external jacket connects cooling water by cooling sea water inlet valve 309 and hot water inlet valve 310 respectively and entered
Mouth pipeline 302 and hot water inlet pipeline 303, the outlet 304 of external jacket are gone out by cooling sea water outlet valve 311 and hot water respectively
Mouth valve 312 connects coolant outlet pipeline 305 and hot water export pipeline 306.
, it is necessary to carry out cooling operation when adding material pre-reaction, hot water inlet valve 310 is closed, opens cooling sea water inlet valve
309, the import 301 of external jacket is connected with cooling water inlet pipeline 302；Hot water outlet valve 312 is closed, opens cooling water
Outlet valve 311, the outlet 304 of external jacket is set to be connected with coolant outlet pipeline 305；Cooling water is from cooling water inlet pipeline
302 import 301 Jing Guo external jacket is passed through external jacket, then passes through cooling water outlet pipe from the outlet 304 of external jacket
Road 305 is discharged, and for the material of cooling reactor body 100, the temperature for controlling kettle body 100 is 20-40 DEG C.
Material adds be mixed evenly after, into, it is necessary to carry out warming temperature, closing cooling water inlet during the stage of reaction
Valve 309, hot water inlet valve 310 is opened, the import 301 of external jacket is connected with hot water inlet pipeline 303；Close cooling water
Outlet valve 311, hot water outlet valve 312 is opened, the outlet 304 of external jacket is connected with hot water export pipeline 306；Hot water from
Import 301 of the hot water inlet pipeline 303 Jing Guo external jacket enters external jacket, then from the outlet 304 of external jacket through overheat
Water outlet line 306 is discharged, and for the material of heating kettle body 100, the import 301 to external jacket is passed through hot water, controls kettle
The temperature of body 100 is 70-90 DEG C.
Fig. 4 is the schematic flow sheet of the system provided by the utility model for preparing sulfamic acid.As shown in figure 4, this practicality
The system for preparing sulfamic acid of new offer include be sequentially connected above-mentioned reactor, tourie, the first suction filtration tank, dissolving
Pot, crystallization kettle, the second suction filtration tank and drying machine.
In the utility model, the discharging opening of reactor is connected by pipeline with the charging aperture of tourie, and tourie goes out
Material mouth is connected by pipeline with the charging aperture of the first suction filtration tank, the charging aperture phase that the discharging opening of dissolving pan passes through pipeline and crystallization kettle
Even, the discharging opening of crystallization kettle connects the charging aperture of the second suction filtration tank, and the discharging opening of the second suction filtration tank is connected with drying machine.
The system provided by the utility model for preparing sulfamic acid also includes diluted acid storage tank, the charging aperture of the diluted acid storage tank
It is connected with first suction filtration tank, the discharging opening of the diluted acid storage tank is connected with the dissolving pan；
Also include mother liquor tank, the charging aperture of the mother liquor tank is connected with second suction filtration tank, the discharging of the mother liquor tank
Mouth is connected with the tourie.
It is introduced with reference to technological processes of the Fig. 4 to the system provided by the utility model for preparing sulfamic acid.
Oleum and urea are added in reactor according to a certain percentage, controlling reaction temperature, obtained product enters
Tourie, be placed with a certain amount of mother liquor (i.e. sulfamic acid crude product solution) in tourie, and product is after the first suction filtration tank suction filtration
To liquid be put into diluted acid storage tank, diluted acid can be used in dissolving pan, and the solid obtained after suction filtration is further diverted into dissolving pan,
The dilute sulfuric acid that a certain amount of mass fraction is 20%-25% is placed with dissolving pan, crystal is easily separated out, then in crystallization kettle
Crystallisation by cooling is carried out, the product with mother liquor after recrystallization is delivered into the second suction filtration tank carries out separation of solid and liquid, obtained solid
The packaging and storage after drying machine is dried, liquid (i.e. mother liquor) deliver to mother liquor tank, and mother liquor is used in tourie again.
The system provided by the utility model for preparing sulfamic acid, equipment is simple, rationally distributed, and production efficiency is high, favorably
In progress industrialized production.Meanwhile caused diluted acid and mother liquor can continue with production process, economize on resources, cost is saved.
Finally it should be noted that：Various embodiments above is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the utility model is described in detail with reference to foregoing embodiments, one of ordinary skill in the art should
Understand：It can still modify to the technical scheme described in foregoing embodiments, either to which part or whole
Technical characteristic carries out equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from this practicality newly
The scope of each embodiment technical scheme of type.
Claims (10)
1. a kind of reactor for preparing sulfamic acid, it is characterised in that including kettle body (100), mixing part (200), heat exchanging part
And temperature sensor (400) (300)；
Wherein：The kettle body (100) includes kettle cover (101) and housing (102), the kettle cover (101) and the housing (102)
To be detachably connected, liquid inlet opening (103), feeding-in solid body mouth (104) and exhaust outlet are provided with the top of the kettle cover (101)
(106), housing (102) bottom is provided with discharging opening (105)；
The mixing part (200), including motor (201) and stirring parts (202), the motor (201) are arranged at the kettle body
(100) outside, the stirring parts (202) are arranged in kettle body (100)；
The heat exchanging part (300) is external jacket or outer coil pipe；
The import (301) of the heat exchanging part (300) connects cooling water inlet pipeline (302) and hot water inlet pipeline (303) respectively,
The outlet (304) of the heat exchanging part (300) connects coolant outlet pipeline (305) and hot water export pipeline (306) respectively.
2. reactor according to claim 1, it is characterised in that the import (301) of the heat exchanging part (300) passes through import
Triple valve (307) connects cooling water inlet pipeline (302) respectively and hot water inlet pipeline (303), heat exchanging part (300) go out
Mouth (304) connects coolant outlet pipeline (305) and hot water export pipeline (306) respectively by exporting triple valve (308).
3. reactor according to claim 1, it is characterised in that the import (301) of the heat exchanging part (300) passes through respectively
Cooling sea water inlet valve (309) and hot water inlet valve (310) connection cooling water inlet pipeline (302) and hot water inlet pipeline (303),
The outlet (304) of the heat exchanging part (300) passes through cooling sea water outlet valve (311) and hot water outlet valve (312) connection cooling respectively
Water outlet line (305) and hot water export pipeline (306).
4. reactor according to claim 1, it is characterised in that the kettle cover (101) and the housing (102) are flange
Connection.
5. reactor according to claim 1, it is characterised in that kettle body (100) inwall is arranged with deflection plate
(107)。
6. reactor according to claim 1, it is characterised in that spray part is provided with below the liquid inlet opening (103)
(108)。
7. reactor according to claim 1, it is characterised in that the mixing part (200) is arm stirrer, turbine
Formula agitator or shaft mixer.
8. reactor according to claim 1, it is characterised in that the temperature sensor (400) passes for Resistance Temperature
Sensor or thermocouple type temperature sensor.
9. a kind of system for preparing sulfamic acid, it is characterised in that including being sequentially connected as described in claim any one of 1-8
Reactor, tourie, the first suction filtration tank, dissolving pan, crystallization kettle, the second suction filtration tank and drying machine.
10. system according to claim 9, it is characterised in that also including diluted acid storage tank, the charging aperture of the diluted acid storage tank
It is connected with first suction filtration tank, the discharging opening of the diluted acid storage tank is connected with the dissolving pan；
Also include mother liquor tank, the charging aperture of the mother liquor tank is connected with second suction filtration tank, the discharging opening of the mother liquor tank with
The tourie is connected.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720519612.0U CN206688691U (en) | 2017-05-10 | 2017-05-10 | Prepare the reactor and system of sulfamic acid |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720519612.0U CN206688691U (en) | 2017-05-10 | 2017-05-10 | Prepare the reactor and system of sulfamic acid |
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| Publication Number | Publication Date |
|---|---|
| CN206688691U true CN206688691U (en) | 2017-12-01 |
Family
ID=60449021
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112755930A (en) * | 2020-12-30 | 2021-05-07 | 莱州市中大贵合化工有限公司 | Production equipment and production process of sulfamic acid |
| CN113385125A (en) * | 2021-03-11 | 2021-09-14 | 上海应用技术大学 | Preparation device and process of graphene oxide composite superfine silver powder |
| CN113401883A (en) * | 2021-07-12 | 2021-09-17 | 田雨 | Continuous reaction process and continuous reaction equipment for sulfamic acid |
-
2017
- 2017-05-10 CN CN201720519612.0U patent/CN206688691U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112755930A (en) * | 2020-12-30 | 2021-05-07 | 莱州市中大贵合化工有限公司 | Production equipment and production process of sulfamic acid |
| CN113385125A (en) * | 2021-03-11 | 2021-09-14 | 上海应用技术大学 | Preparation device and process of graphene oxide composite superfine silver powder |
| CN113401883A (en) * | 2021-07-12 | 2021-09-17 | 田雨 | Continuous reaction process and continuous reaction equipment for sulfamic acid |
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