CN206469588U - Ammonium chloride is dried and cooling system - Google Patents
Ammonium chloride is dried and cooling system Download PDFInfo
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- CN206469588U CN206469588U CN201621282288.7U CN201621282288U CN206469588U CN 206469588 U CN206469588 U CN 206469588U CN 201621282288 U CN201621282288 U CN 201621282288U CN 206469588 U CN206469588 U CN 206469588U
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Abstract
The utility model is related to a kind of ammonium chloride and dried and cooling system, the ammonium chloride is dried and cooling system includes drying machine, cooler, the first absorption plant is also integrated with, first absorption plant is designed to capture solid and admixture of gas and the byproduct for converting them to solid, liquids and gases in the exhaust stream of the drying machine.
Description
Technical field
The utility model is related to a kind of ammonium chloride and dried and cooling system.
Background technology
Ammonium chloride, for example, be taken as product when integrated soda production carries out soda manufacture, generally by ammonia and chloride bittern
Produce, bittern also contains other ions from process upstream chain, such as sodium ion and carbonic acid hydrogen ion.Ammonia chloride craft is generally wrapped
Containing crystallisation by cooling, mechanical dehydration and the heat-force dry as main technological steps and cooling, it is easy to store with acquisition, packs
With the drying ammonium chloride of shipment.
It is general that mechanical dehydration is carried out using filtering centrifuge, with countercurrent drier and cooler to the chlorine by mechanical dehydration
Change ammonium and carry out heat-force dry and cooling.Generally, they are fluid bed dryer and fluid bed cooler, the fluid bed dryer
The heat exchanger surface for conduct heat and (dry and cool down), immersion fluosolids is utilized with fluid bed cooler.With pure with to draining off
Dry to be compared with cooling, the gas flow that fluidization is provided to waste gas stream is lower, therefore generally more energy efficient.
The ammonia chloride crystal of the ammonium chloride crystallisation by cooling production of integrated soda production is typically suspended in mother liquor bittern, bittern mother liquor
Include ammonium chloride, other ammonium salts, sodium chloride and the ammonia dissolved in water.After mechanical dehydration, these byproduct components generally with 3% to
15% ratio is sticked on ammonia chloride crystal.The impurity that filter cake is possible to reduce adhesion is washed in dehydration, but can not be sufficient
It is enough effectively to ensure substantially reducing for ammonia and CO2 emission in drying process.In addition, would generally be because ammonium chloride be in water
High-dissolvability and bring obvious ammonium chloride product to lose.
Subsequent heat-force dry process can really remove the ammonia in moisture and ammoniacal liquor in crystal.In addition, by drying machine
The thermal decomposition of ammonium salt (such as ammonium carbonate) under high temperature state, release carbon dioxide, water and ammonia.
In this way, by the exhaust stream during heat-force dry, ammonia and carbon dioxide are largely discharged into air
In.Although ammonia can be removed to a certain extent by the washing process of acidic cleaning device.But the efficiency of washing process has
Limit, and need to carry out acid reaction with other materials, acid reaction unavoidably produces the sewage discharge for needing further to handle.
In addition, the carbon dioxide in exhaust stream is diluted, and it is discharged to air.
Utility model content
Therefore, technical problem to be solved in the utility model is that providing a kind of ammonium chloride dries and cooling system, should
Ammonium chloride dries undesirable solid and gaseous compound during drying machine can be vented with cooling system and captures and convert
Into solid, liquids and gases byproduct.These byproducts can be recycled, and (such as in connection in other production processes
In alkali technique) it is recycled.The ammonium chloride is dried and cooling system can substantially reduce the capacity of ammonia and carbon dioxide.
Above-mentioned technical problem is dried by a kind of ammonium chloride as described below and cooling system is solved.The ammonium chloride is done
Dry and cooling system includes：Drying machine, in the drying machine, wet ammonium chloride is heated to technological temperature, produces vapor, and
Ammonia, water and carbon dioxide are discharged in ammonium salt thermal decomposition；Cooler, the cooler, which is designed to cool down, has completed dry chlorination
Ammonium, obtains dry ammonium chloride product；Wherein, the ammonium chloride is dried and cooling system is integrated with the first absorption plant, and described first inhales
Receiving apparatus be designed to capture the solid and admixture of gas in the exhaust stream of the drying machine and convert them to solid,
The byproduct of liquids and gases, wherein, the ammonium chloride is dried and cooling system is included for dry gas system, the drying
Machine and first absorption plant are included in the gas system for drying, wherein, the row of first absorption plant
Gas is supplied to back the drying machine to form the gas circulation being used in dry gas system.
A kind of preferred implementing form with cooling system, the drying machine and institute are dried according to ammonium chloride of the present utility model
At least one stated in cooler is the mixed form between convection type or contact, or convection type and contact.
Dried according to ammonium chloride of the present utility model and cooling system a kind of preferred implementing form, the drying machine and cold
But at least one in machine is the fluid bed for the heat exchanger for being equipped with immersion fluidised prods layer.
A kind of preferred implementing form with cooling system is dried according to ammonium chloride of the present utility model, described first absorbs dress
The condenser for being arranged on the drying machine downstream is put, the condenser is designed to the wet type for being suitable to reclaim ammonia and carbon dioxide
Retracting device.
A kind of preferred implementing form with cooling system is dried according to ammonium chloride of the present utility model, the condenser is set
It is calculated as being suitable to while playing a part of washer.
A kind of preferred implementing form with cooling system is dried according to ammonium chloride of the present utility model, the ammonium chloride is dried
And the cooling system also single washer including being arranged between the drying machine and the condenser.
A kind of preferred implementing form with cooling system is dried according to ammonium chloride of the present utility model, the ammonium chloride is dried
First dust arrester of the drying machine arranged downstream in the condenser upstream is additionally included in cooling system, described first removes
Dirt device is designed to the dry type retracting device for being suitable to reclaim the particulate from the drying machine.
A kind of preferred implementing form with cooling system, the first dedusting dress are dried according to ammonium chloride of the present utility model
It is set to single bag filter or single cyclone separator or in any way some cyclone separators of series and parallel
With the combination of some bag filters.
Dried according to ammonium chloride of the present utility model and cooling system a kind of preferred implementing form, it is described be used for it is dry
Gas system also includes one or more blower fans for compressed recycle gas body.
A kind of preferred implementing form with cooling system is dried according to ammonium chloride of the present utility model, in the condenser
Downstream, is disposed with the heater for heat cycles air-flow before the drying machine.
A kind of preferred implementing form with cooling system is dried according to ammonium chloride of the present utility model, the ammonium chloride is dried
Include stripper plant with cooling system, the stripper plant is designed to remove volume between the particulate from Production of Ammonium Chloride stream
The ammonia of interior ammonia, the ammonia of adsorption and capillary attraction, and be the self-contained unit outside the cooler.
A kind of preferred implementing form with cooling system is dried according to ammonium chloride of the present utility model, the ammonium chloride is dried
Include stripper plant with cooling system, the stripper plant is used to removing between the particulate from Production of Ammonium Chloride stream in volume
The ammonia of ammonia, the ammonia of adsorption and capillary attraction, and be the part of the cooler.
A kind of preferred implementing form with cooling system is dried according to ammonium chloride of the present utility model, the ammonium chloride is dried
Also include the gas system for cooling down with cooling system, the stripper plant is comprised in the gas system for being used to cool down
It is interior.
A kind of preferred implementing form with cooling system is dried according to ammonium chloride of the present utility model, it is described to be used for what is cooled down
Gas system also includes the second dust arrester for being arranged in the cooler downstream.
A kind of preferred implementing form with cooling system is dried according to ammonium chloride of the present utility model, it is described to be used for what is cooled down
One or more blower fans for compressed recycle gas body are there also is provided in gas system.
A kind of preferred implementing form with cooling system is dried according to ammonium chloride of the present utility model, it is described to be used for what is cooled down
Gas system is open system or the circulatory system.
A kind of preferred implementing form with cooling system is dried according to ammonium chloride of the present utility model, the cooler is to connect
Touch, the gas for cooling is directly entered air or by absorbing after the ammonium chloride drying and cooling system is flowed through
Enter air after processing.
According to ammonium chloride of the present utility model dry and cooling system a kind of preferred implementing form, the ammonium chloride dry and
Cooling system also includes the device for providing controlled flushing gas stream, the flushing gas stream by vapor, carbon dioxide, ammonia,
One kind in nitrogen, air or containing several mixtures compositions in vapor, carbon dioxide, ammonia, nitrogen, air, or
Mixed by air with one kind in vapor, carbon dioxide, ammonia, nitrogen, or by vapor, carbon dioxide, ammonia, nitrogen
In several mixtures mixed with air.
A kind of preferred implementing form with cooling system is dried according to ammonium chloride of the present utility model, is passing through the stripping
After device, the flushing gas stream is supplied to described for being absorbed in dry gas system or as excess air second
It is processed in device.
Fig. 1 is shown with solid, the ammonium chloride drying of liquids and gases byproduct recovery and the schematic diagram of cooling system.
The ammonium chloride is dried and cooling system includes：Drying machine, in the drying machine, wet ammonium chloride is heated to technological temperature, produces
Vapor simultaneously produces ammonia and carbon dioxide in decomposition reaction；Cooler, the cooler is designed to cooling and has completed drying
Ammonium chloride, obtain dry ammonium chloride product.The ammonium chloride is dried and cooling system is also included for dry gas system, described
For including drying machine, the first dust arrester, the first absorption plant in dry gas system.Wet ammonium chloride is fed into drying
Machine, here, drying machine 2 is the fluid bed dryer with immersion heat exchanger, but can also be using any other form
Drying machine.Ammonium chloride is heated to technological temperature in drying machine 2, and moisture is evaporated, the ammonia and dioxy produced in decomposition reaction
Change carbon to be diluted, into drying machine exhaust stream.Drying machine exhaust stream then passes through the dry state carried out in the first dust arrester and removed
Dirt and the wet dust removal carried out in the first absorption plant.Here, the first absorption plant is designed to capture the drying machine
Exhaust stream in solid and admixture of gas and the byproduct for converting them to solid, liquids and gases.Then, it is a part of
It is circulated back to again in drying machine, and the gas that another part is not circulated is then discharged as excess air.Chlorination in drying machine
Ammonium is completed after drying, and is transported in cooler and is cooled down, so as to obtain dry ammonium chloride product.
It should be appreciated that in schematic diagram shown in Fig. 1, for including the first dust arrester in dry gas system, but
According to the difference of process conditions, arrange that such dust arrester is not required in that before absorption plant.Accordingly it is also possible to
A kind of gas system for drying only including drying machine and absorption plant is designed in a kind of form of implementation of deformation.
In addition, in schematic diagram shown in Fig. 1, dried ammonium chloride is transported in cooler and cooled down.Cooler
Type and model can arbitrarily select herein.The cooler of the mixed form of common convection type, contact and both
It can be used for implementing the technical solution of the utility model.When being cooled down using convection type cooler, at the cooler
In in the gas system for cooling, and this gas system for being used to cool down can be the gas for the closed loop for wherein having recyclegas
System or exhaust are directly entered air or enter the opening gas system of air after treatment.Using contact
When formula cooler is cooled down, because the work of contact cooler need not introduce gas in itself.Therefore, the cooler is not just
Again be at one be used for cool down gas system in.
As shown in figure 1, the solid in recyclegas is mainly reclaimed in above-mentioned dry state dedusting (function of the first dust arrester)
Particulate, and wet dust removal (function of the first absorption plant) then removes ammonium salt in recyclegas, other salt, dissolved ammonia, dissolving
Carbon dioxide, water.
Brief description of the drawings
Fig. 1 is schematically illustrated with solid, the ammonium chloride drying of liquids and gases byproduct recovery and cooling system
Schematic diagram；
Fig. 2 schematically illustrates a kind of preferred implementing form of the drying of ammonium chloride shown in Fig. 1 and cooling system, and it is with defeated
Enter to the flushing gas in the gas system of drying machine and/or cooler.
Embodiment
Fig. 2 shows that the ammonium chloride with the flushing gas being input in the gas system of drying machine and/or cooler is done
Dry and cooling system.
The ammonium chloride is dried and cooling system includes：Drying machine, is the fluidized bed drying with immersion heat exchanger herein
Machine；In the drying machine, wet ammonium chloride is heated to technological temperature, and moisture is evaporated, the ammonia and dioxy produced in decomposition reaction
Change carbon to be diluted, into drying machine exhaust stream；Cooler, the cooler, which is designed to cool down, has completed dry ammonium chloride,
Obtain dry ammonium chloride.Here, drying machine is the fluid bed dryer with immersion heat exchanger, but can also using it is any its
The drying machine of its form.
Dried and the ammonium chloride original needed for cooling system in addition, there are various ways to prepare ammonium chloride of the present utility model
Material.In the embodiment depicted in figure 2, ammonium chloride of the present utility model is dried and ammonium chloride raw material (the wet chlorination needed for cooling system
Ammonium) prepared by centrifuge, the centrifuge is used to carry out mechanical dehydration to ammonium chloride suspension to obtain wet ammonium chloride filter cake,
Filtering centrifuge 1 can be furnished with or be unworthy of filter cake flushing.Filter cake is by directly feeding drying machine 2 or by sending into drying after conveyer
Machine 2.
As shown in Fig. 2 ammonium chloride is dried and cooling system is also including the separated gas system for being used for drying and for cold
But gas system；Wherein, it is described to be used in dry gas system include drying machine, the first dust arrester, wherein, it is described dry
Centrifugal dehydration product from the centrifuge is dried dry machine, first dust arrester be designed to be suitable to reclaim from
The drying machine brings the dry type retracting device of the particulate of the closed-loop gas system into.The ammonium chloride carried in drying machine exhaust stream
Particulate is substantially excluded in so-called dry state dust removal step.Usually using cyclone separator and/or bag filter as with
In the first dust arrester 3 of dry state dedusting.
Similar to the explanation to Fig. 1, although in the embodiment depicted in figure 2, for including in dry gas system
First dust arrester, but arrange that such dust arrester is not required in that before absorption plant.Those skilled in the art
Other variant embodiments without the first dust arrester can be proposed according to the different of process conditions completely.
The ammonium chloride is dried and cooling system is also integrated with the first absorption plant, and first absorption plant is designed to
Capture solid and admixture of gas in the exhaust stream of the drying machine and convert them to the by-product of solid, liquids and gases
Product, herein it include washer 5 and condenser 6.
Washer 5 performs so-called wet dust removal step.Washer 5 can be condenser 6 integrated component or
Independently of the other part of condenser 6.In the case where washer 5 is other individual components, it is particularly advantageous in realizing so
Secondary process goal：It is only that maximum pre-concentration device of the washer 5 as ammonium chloride is remaining after dry state dust removal step to dissolve
Particulate Emission.
Condenser 6 is run using the cooling liquid again of circulation at least in part, and for removing gas phase in drying machine 2
Evaporate moisture.Liquid cool down again be in order to remove condensation heat, remove vapour heat of solution and remove condenser 6 in
Gas and solid.Complete to cool down again using cooling water and/or chilled water.
Condenser 6 plays a part of the absorber of carbon dioxide and ammonia, the main ammonia removed in gas return path simultaneously.Condensation
Device/absorber can be single stage type or multi-stag.
The partial pressure of carbon dioxide is higher in gas return path, passes through the gas phase and the operation temperature of solid phase of condenser/absorber
Degree is lower, then the ammonia concentration for leaving condenser/absorber into excess air and/or drying machine is lower.
In this form of implementation, a part for the exhaust of condenser/absorber turns into the circulation for being recycled to drying machine 2
Air-flow, and remaining non-circulating current is then controllably emitted into excess air stream, to be further processed.
Optionally, the circulating current of condenser/absorber output is further compressed in the second blower fan 7.Generally, exist
It is again introduced into as fluidizing gas before drying machine 2, above-mentioned circulating current is heated to appearance in an indirect gas heater 8
Perhaps or possible hot air temperature.
The dry ammonium chloride for leaving drying machine 2 removes most ammonia in product by a stripper plant.Stripper plant
Operation uses non-active gas, such as carbon dioxide, nitrogen, air, low concentration of water steam and low concentration ammonia.Times of stripper plant
Business is the ammonia for exchanging volume and surface and capillary attraction between particulate.In the form of implementation, stripper plant is cooling
The part of machine 9, cooler 9 is run in closed-loop gas system.
In other variant embodiment, cooler 9 can also be designed to open in gas system, now, pass through
The gas of cooler cooling is directly discharged in air or (for example absorbed by absorption processing by one the similar 3rd
In the absorption plant of device) after be directly discharged in air.
Here, cooler 9 is the fluid bed cooler equipped with immersion heat exchanger, using cooling water or chilled water or other
Cooling agent is run.The exhaust stream of cooler 9 is cleaned particulate in particulate dust removal step, and the second deduster 10 is cyclone separator
And/or bag filter.One or more 3rd blower fans 11 are used for the fluidizing gas for recompressing cooler 9.
With it is described above similar, the cooler in embodiment illustrated in fig. 2 can also have above-mentioned in other variant embodiments
Multiple choices outside fluid bed cooler, heat exchange mode either convection type, contact, or both any mixed forms
.
The ammonium chloride product of cooling is discharged from cooler 9, for further storing and processing.
Here, controlled flushing air-flow is used to realize desired technique in drying machine and/or cooler gas system
Condition.In this example, selection carbon dioxide be used as controlled flushing air-flow, it is possible to use air, nitrogen, carbon dioxide or this
Any mixture of several gases.It is desirable to reduce carbon dioxide in cooling and/or dry gas system using such mixture
Partial pressure.
As controlled flushing air-flow it is favourable from carbon dioxide, because especially in Sodium Carbonate Plant in main technique stream just
There is available carbon dioxide.Equally, in integrated soda production factory, main technique stream also has available nitrogen.
The compressed gas that flushing gas is reserved as cleaning bag filter introduces dry and cooling air circuit.If
The flushing gas needed than by bag filter introduce it is more, then required gas flow is preferably introduced into cooler gas and returned
Road, to realize ammonia dilution/steam stripped maximum efficiency in cooler 9 itself.
Excess air from cooler 9 is introduced into drying machine gas return path (as shown in Figure 2), or is directly added
Into the carbon dioxide recycle or nitrogen circulation of place factory, or optionally where add the carbon dioxide recycle of factory or
It is processed before nitrogen circulation in absorber independent in addition (not shown in Fig. 2), or situation about allowing in selected process conditions
It is lower to be directly discharged into air.
The excess air of drying machine gas system is to be rich in carbon dioxide or rich in nitrogen, but ammonia content is few.Can be further
Ammonia content is reduced in the second absorber 12, or directly adds the carbon dioxide recycle of place factory.
As alternate embodiments, the excess air of the gas return path of drying machine 2 and cooler 9 is discharged to air.According to
The process conditions and temperature of condenser and the second absorber 12, can be in line if ammonia content is low, otherwise further direct after processing
It is discharged into air.
Dust arrester in system of the present utility model, either for dry gas system still for cooling down
Gas system in use, can have a form of implementation of a variety of replacements, for example, individually bag filter, individually rotation
Wind separator, some cyclone separators of series connection, some cyclone separators in parallel, some rotations of series and parallel in any way
The combination of wind separator and single bag filter.
Blower fan of the present utility model is used to promoting gas motion in the loop and overcomes the pressure drop that is produced in gas system.
It can similarly have a variety of different modification forms of implementation.It is possible, firstly, to for dry gas system and/or for cold
But a Fans are only arranged in gas system, many Fans can also be arranged wherein, these blower fans may be at gas and return
The optional position on road.Secondly, although for improve ammonia absorptivity consideration preferably by wind turbine layout condenser/absorption plant it
Before, but such step can cause higher power consumption.Therefore, distinguish as illustrated in fig. 2 in former and later two positions of condenser
Arrangement blower fan just becomes a kind of efficiency and the preferred of cost is traded off.
It is of the present utility model to be used for dry gas system and be designed to closed-loop gas system for the gas system of cooling
System, realizes the protection to greatest extent to environment.It is noted that first, so-called closed loop gas in the utility model
System system is not 100% closing, still allows for the inflow of flushing gas and the outflow of excess air, only flushing gas
With the amount of excess air compared with the gas content of total gas stream of gas system it is very insignificant.Secondly, in stripping
In the case that device is the separate part outside cooler, stripper plant can use flushing gas, and flushing gas is being carried
Ammonia can be fed into the gas system for being used for drying or the place that is absorbed in a separate step after leaving stripper plant
Reason.Now, removed because most of ammonia is stripped device, thus cooler gas system can be open system, now can
Arrange more than one blower fan.In addition, in the case where being contact using single stripper plant and cooler, without the need for cold
But gas system, without blower fan and/or the dry dust removal apparatus being arranged in as described above in the gas system for cooling.
It will be appreciated by those skilled in the art that said system may have several modifications, to adapt to different site techniques
The order of priority of time target in condition and special process device.
Preferred embodiment of the present utility model is described above, but spirit and scope of the present utility model are not limited to here
Disclosed particular content.Those skilled in the art can according to it is of the present utility model teaching and make more embodiments and
Using these embodiments and application are all in spirit and scope of the present utility model.Spirit and scope of the present utility model are not
Limited, and be defined by the claims by specific embodiment.
Reference numerals list
1 centrifuge
2 drying machines
3 first dust arresters
4 first blower fans
5 washers
6 condensers
7 second blower fans
8 heaters
9 coolers
10 second dust arresters
11 the 3rd blower fans
12 second absorption plants
The wet ammonium chlorides of A
The dry ammonium chlorides of B
C solia particles are reclaimed
D ammonium salts, other salt, dissolved ammonia, dissolved carbon dioxide, water
E ammonium chloride solutions
F cleaning fluids
G ammonium chloride suspension
H flushing gas
Claims (19)
1. a kind of ammonium chloride is dried and cooling system, it includes：
Drying machine, in the drying machine, wet ammonium chloride is heated to technological temperature, produces vapor, and in ammonium salt thermal decomposition
Discharge ammonia, water and carbon dioxide；
Cooler, the cooler, which is designed to cool down, has completed dry ammonium chloride, obtains dry ammonium chloride product；
Characterized in that,
The ammonium chloride is dried and cooling system is integrated with the first absorption plant, and first absorption plant is designed to capture institute
State solid and admixture of gas in the exhaust stream of drying machine and convert them to the byproduct of solid, liquids and gases,
Wherein, the ammonium chloride is dried and cooling system is included for dry gas system, and the drying machine and described first is inhaled
Receiving apparatus be included in it is described be used in dry gas system, wherein, described in the exhaust of first absorption plant is supplied to back
Drying machine is to form the gas circulation being used in dry gas system.
2. ammonium chloride according to claim 1 is dried and cooling system, it is characterised in that the drying machine and the cooling
At least one in machine is the mixed form between convection type or contact, or convection type and contact.
3. ammonium chloride according to claim 2 is dried and cooling system, it is characterised in that in the drying machine and cooler
At least one be equipped with immersion fluidised prods layer heat exchanger fluid bed.
4. ammonium chloride according to claim 2 is dried and cooling system, it is characterised in that first absorption plant is cloth
The condenser in the drying machine downstream is put, the condenser is designed to be suitable to reclaim ammonia and the wet type of carbon dioxide reclaims dress
Put.
5. ammonium chloride according to claim 4 is dried and cooling system, it is characterised in that the condenser is designed to fit
Play a part of washer in simultaneously.
6. ammonium chloride according to claim 4 is dried and cooling system, it is characterised in that the ammonium chloride is dried and cooled down
System also includes the single washer being arranged between the drying machine and the condenser.
7. ammonium chloride according to claim 4 is dried and cooling system, it is characterised in that the ammonium chloride is dried and cooled down
System is additionally included in first dust arrester of the drying machine arranged downstream in the condenser upstream, first dust arrester
It is designed to the dry type retracting device for being suitable to reclaim the particulate from the drying machine.
8. ammonium chloride according to claim 7 is dried and cooling system, it is characterised in that first dust arrester is single
Some cyclone separators of only bag filter or single cyclone separator or in any way series and parallel with it is some
Bag filter combination.
9. ammonium chloride according to claim 2 is dried and cooling system, it is characterised in that described to be used for dry gas system
System also includes one or more blower fans for compressed recycle gas body.
10. ammonium chloride according to claim 4 is dried and cooling system, it is characterised in that in the downstream of the condenser,
The heater for heat cycles air-flow is disposed with before the drying machine.
11. ammonium chloride according to claim 2 is dried and cooling system, it is characterised in that the ammonium chloride is dried and cold
But system includes stripper plant, and the stripper plant is designed to remove between the particulate from Production of Ammonium Chloride stream in volume
The ammonia of ammonia, the ammonia of adsorption and capillary attraction, and be the self-contained unit outside the cooler.
12. ammonium chloride according to claim 2 is dried and cooling system, it is characterised in that the ammonium chloride is dried and cold
But system includes stripper plant, and the stripper plant is for the ammonia between particulate of the removing from Production of Ammonium Chloride stream in volume, table
The ammonia of face absorption and the ammonia of capillary attraction, and be the part of the cooler.
13. the ammonium chloride according to claim 11 or 12 is dried and cooling system, it is characterised in that the ammonium chloride is dried
Also include the gas system for cooling down with cooling system, the stripper plant is comprised in the gas system for being used to cool down
It is interior.
14. ammonium chloride according to claim 13 is dried and cooling system, it is characterised in that the gas for being used to cool down
System also includes the second dust arrester for being arranged in the cooler downstream.
15. ammonium chloride according to claim 13 is dried and cooling system, it is characterised in that the gas for being used to cool down
One or more blower fans for compressed recycle gas body are there also is provided in system.
16. ammonium chloride according to claim 13 is dried and cooling system, it is characterised in that the gas for being used to cool down
System is open system or the circulatory system.
17. ammonium chloride according to claim 11 is dried and cooling system, it is characterised in that the cooler is contact
, the gas for cooling is directly entered air or by absorption processing after the ammonium chloride drying and cooling system is flowed through
Enter air afterwards.
18. ammonium chloride according to claim 11 or 12 is dried and cooling system, it is characterised in that the ammonium chloride dry and
Cooling system also includes the device for providing controlled flushing gas stream, the flushing gas stream by vapor, carbon dioxide, ammonia,
One kind in nitrogen or containing several mixtures compositions in vapor, carbon dioxide, ammonia, nitrogen, or by air and water
One kind in steam, carbon dioxide, ammonia, nitrogen is mixed, or by several in vapor, carbon dioxide, ammonia, nitrogen
Mixture is mixed with air.
19. ammonium chloride according to claim 18 is dried and cooling system, it is characterised in that passing through the stripper plant
Afterwards, the flushing gas stream is supplied to described be used in dry gas system or as excess air in the second absorption plant
In be processed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621282288.7U CN206469588U (en) | 2016-11-28 | 2016-11-28 | Ammonium chloride is dried and cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621282288.7U CN206469588U (en) | 2016-11-28 | 2016-11-28 | Ammonium chloride is dried and cooling system |
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| Publication Number | Publication Date |
|---|---|
| CN206469588U true CN206469588U (en) | 2017-09-05 |
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ID=59710744
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| Application Number | Title | Priority Date | Filing Date |
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| CN201621282288.7U Active CN206469588U (en) | 2016-11-28 | 2016-11-28 | Ammonium chloride is dried and cooling system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106595227A (en) * | 2016-11-28 | 2017-04-26 | 安德里茨（中国）有限公司 | Ammonium chloride drying and cooling system and process |
| WO2022166209A1 (en) * | 2021-02-04 | 2022-08-11 | 中国天辰工程有限公司 | Combined apparatus for producing heavy soda ash by utilizing co2 concentrated gas for ammonium chloride drying and carbonation |
-
2016
- 2016-11-28 CN CN201621282288.7U patent/CN206469588U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106595227A (en) * | 2016-11-28 | 2017-04-26 | 安德里茨（中国）有限公司 | Ammonium chloride drying and cooling system and process |
| WO2022166209A1 (en) * | 2021-02-04 | 2022-08-11 | 中国天辰工程有限公司 | Combined apparatus for producing heavy soda ash by utilizing co2 concentrated gas for ammonium chloride drying and carbonation |
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