CN208218406U - A kind of reaction unit preparing hydrogen fluoride suitable for calcirm-fluoride - Google Patents
A kind of reaction unit preparing hydrogen fluoride suitable for calcirm-fluoride Download PDFInfo
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- CN208218406U CN208218406U CN201820367112.4U CN201820367112U CN208218406U CN 208218406 U CN208218406 U CN 208218406U CN 201820367112 U CN201820367112 U CN 201820367112U CN 208218406 U CN208218406 U CN 208218406U
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Abstract
The utility model relates to a kind of reaction unit for preparing hydrogen fluoride suitable for calcirm-fluoride, reactor and heat energy apparatus；The reactor is hermetically sealed vertical type hollow structure；First material import and gas vent are provided at the top of the reactor, bottom is provided with material outlet；Blender and loading device are additionally provided in the reactor；The heat energy apparatus is used to provide thermal energy to the loading device；The heat energy apparatus includes thermal medium input pipe and thermal medium efferent duct；The bottom surface of the loading device is provided with the heat transfer layer of enclosed construction；The thermal medium input pipe and thermal medium efferent duct are connected to the heat transfer layer respectively.The utility model device heat transfer area is bigger and heat-transfer effect is more preferable；Save energy consumption；In same production capacity, power consumption is saved.It is suitble to fine calcium fluoride powder to produce hydrogen fluoride；Fugitive dust will not be generated in into reactor, hydrogen fluoride gas is that reactor is sent out after wet-milling, will not take away dust.
Description
Technical field
The utility model relates to the preparation facilities technical fields of hydrogen fluoride, are suitable for calcirm-fluoride more particularly, to one kind and prepare
The reaction unit of hydrogen fluoride.
Background technique
Hydrogen fluoride (Hydrogen Fluoride), chemical molecular formula HF, molecular weight 20.01, soluble easily in water, ethyl alcohol.Nothing
It is colourless transparent liquid under water hydrogen fluoride (abbreviation AHF) low temperature or pressure, 19.4 DEG C of boiling point, -83.37 DEG C of fusing point, density
1.008g/cm3(water=1).Highly volatile is at white smoke under room temperature and room temperature.Its chemical property is extremely active, can with alkali,
The reaction such as metal, oxide and silicate.Hydrogen fluoride is the basis of modern fluorination work, is to produce element fluorine, various fluorine refrigeration
The most basic raw material of agent, fluorine-containing new material, inorganic fluorine salt dissolving, various organic fluorides etc..
The method for producing hydrogen fluoride in industrial production has sulfuric acid process: by the Fluorspar Powder and sulfuric acid according to the ratio 1 after drying:
(1.2~1.3) it mixes, is sent into rotary reacting furnace and is reacted, gas phase temperature control is at 280 DEG C ± 50 DEG C in furnace.Reaction
Gas afterwards enters topping still, removes sulfuric acid, moisture and Fluorspar Powder in gas, prepares thick hydrogen fluoride gas.Thick hydrogen fluoride
Degassed tower is condensed into liquid to gas again, subsequently into rectifying column rectifying.Hydrogen fluoride after purification is absorbed with water to get hydrofluoric acid
Product.
Traditional calcirm-fluoride has compared with strict requirements the fineness of calcium fluoride powder during preparing hydrogen fluoride, due to reacting
Fugitive dust in furnace, meticulous calcium fluoride powder can leave together reactor with hydrogen fluoride gas, into aftertreatment systems, after causing
The blocking of the equipment such as continuous process pipe, scrubbing tower and condenser.This problem limits always ultra-fine calcirm-fluoride as raw material system
Standby hydrofluoric acid.However as the development of circular economy, calcium fluoride powder, the non-ferro metals debris extracted from calcium fluoride sludge is extracted
Calcium fluoride powder etc. be ultra-fine calcirm-fluoride, how to allow ultra-fine calcirm-fluoride to enter Acid of Hydrofluoric Acid Production system is current Acid of Hydrofluoric Acid Production
Technology urgent problem to be solved.
Therefore, it is necessary to research and develop a kind of new reaction unit for being suitable for calcirm-fluoride and preparing hydrogen fluoride.
Utility model content
The utility model provides a kind of new reaction unit for being suitable for calcirm-fluoride and preparing hydrogen fluoride.
The utility model additionally provides a kind of reaction unit that hydrogen fluoride is prepared suitable for fine calcium fluoride powder, existing to solve
Fine calcium fluoride powder in technology be easy to cause the problem of blocking of rotary reacting furnace and subsequent technique pipe-line equipment.
The technical problem solved by the utility model is implemented by the following technical solutions:
A kind of reaction unit preparing hydrogen fluoride suitable for calcirm-fluoride, comprising: reactor and heat energy apparatus；
The reactor is hermetically sealed vertical type hollow structure；Be provided at the top of the reactor first material into
Mouth and gas vent, bottom are provided with material outlet；Blender and loading device are additionally provided in the reactor；
The heat energy apparatus is used to provide thermal energy to the loading device；The heat energy apparatus include thermal medium input pipe and
Thermal medium efferent duct；The bottom surface of the loading device is provided with the heat transfer layer of enclosed construction；The thermal medium input pipe and heat are situated between
Matter efferent duct is connected to the heat transfer layer respectively.
It as a preferred technical solution, further include feeder, the feeder is arranged in the top of the reactor, and with
The first material import is connected；The feeder includes feeder ontology, is equipped with the in one end of the feeder ontology
Two material inlets and third material inlet, the other end are connected with the first material import, set in the feeder ontology
There is mixing device.
The mixing device is spiral blender or oar blade type blender as a preferred technical solution,.In mixing mistake
The chemical reaction of part occurs for Cheng Zhong.
As a preferred technical solution, the blender include rotation axis, the material scraping plate that is arranged in the rotation axis, institute
Stating material scraping plate is multiple groups, is located above the loading device, and contacted in the form of self weight with the loading device, the bearing material dress
It sets and is fixed on outer support frame, feed opening is equipped on loading device, the material on the loading device of upper layer is pushed away by the material scraping plate
It is dynamic to descend lower layer's loading device or discharge from the reaction unit；The rotation axis be it is vertically-mounted, the material scraping plate along
The vertical direction of the rotation axis is installed.
The material scraping plate is distributed at equal intervals along the vertical direction of the rotation axis as a preferred technical solution,.
The diameter of the loading device and the internal diameter of the reactor match as a preferred technical solution,；It is described anti-
The quantity for the loading device for answering device to be equipped with is 2~50.
It is equipped with collet in the outside of the reactor as a preferred technical solution, the collet is equipped with thermal medium the
The second delivery outlet of two input ports and thermal medium.
As a preferred technical solution, the thermal medium of the heat energy apparatus include hot-air, conduction oil, steam, in fused salt
Any one medium.
The diameter of the loading device and the internal diameter of the reactor match as a preferred technical solution,.
As a preferred technical solution, the thermal medium input pipe of the heat energy apparatus and thermal medium efferent duct respectively with device
Heating system in addition is connected, to guarantee the required thermal energy of reaction.
The gas vent is connected by pipeline with negative pressure device as a preferred technical solution, in technical process,
Always it is in tiny structure in the reactor, preferably recycles hydrogen fluoride gas under negative pressure state to realize.
The reactor is assembled by the way of splicing as a preferred technical solution,；The loading device is using splicing
Mode assemble.
The reactor diameter is 1 meter~10 meters as a preferred technical solution,；Highly 5 meters~60 meters.
It is additionally provided with insulating layer on the outside of the collet as a preferred technical solution, to reduce the loss of thermal energy.
The utility model has the beneficial effect that
1) technical solution of the utility model, the enclosed construction heat transfer layer being provided with by the bottom surface of loading device,
Heat transfer area is bigger and heat-transfer effect is more preferable；Heat insulation effect is more preferable；Save energy consumption；In same production capacity, rotating device power
It is significantly less than the rotary reaction furnace of the prior art, saves power consumption.
2) another technical solution of the utility model is suitble to fine calcium fluoride powder to produce hydrogen fluoride；It is particularly suitable for from fluorination
The utilization for the calcium fluoride powder that calcium fluoride powder, the non-ferro metals debris extracted in calcium sludge extracts, blendes together " wet in advance in feeder
After powder ", into reactor in will not generate fugitive dust, hydrogen fluoride gas is that reactor is sent out after wet-milling, will not take away dust.
3) more advantageous to the subsequent purification processing of hydrogen fluoride gas since hydrogen fluoride gas does not carry dust, scrubbing tower is not
It can block, suspended matter and sediment are reduced in washing acid, can extend the acid pump service life.
4) the thermal medium selectivity in the utility model is wider, and the thermal medium of this technology can be high-temperature hot-air, can also be with
It is high-temperature steam, conduction oil, fused salt etc..
5) reaction unit is to stand, and facilitates splicing；Loading device is also to stand, and can also be spliced；It therefore can be
The diameter of reaction unit accomplishes that very greatly the production capacity of list covering device can be very big.In the case where same production capacity, the prior art can
Can need 2 sets or more, as long as and this technology set of device, investment can be greatlyd save.Due to that can splice,
Manufacture, transport and the installation of equipment are all more simple and convenient, and the diameter of reaction unit is selected in 1 meter~10 meters；
Height selects in 5 meters~60 meters.
Detailed description of the invention
It, below will be to implementation in order to illustrate more clearly of the utility model embodiment or technical solution in the prior art
Scheme or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, the accompanying drawings in the following description
Only some embodiments of the utility model are not making the creative labor for those of ordinary skill in the art
Under the premise of property, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the utility model: a kind of the first structural representation for the reaction unit preparing hydrogen fluoride suitable for calcirm-fluoride
Figure；
Fig. 2 is the utility model: a kind of second of structural representation of the reaction unit that hydrogen fluoride is prepared suitable for calcirm-fluoride
Figure.
Specific embodiment
In order to be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, under
Face combines and is specifically illustrating, and the utility model is further described.
Embodiment 1
Shown in referring to Fig.1, a kind of reaction unit preparing hydrogen fluoride suitable for calcirm-fluoride, including reactor 1 and thermal energy
Device.Wherein reactor 1 is hermetically sealed vertical type hollow structure, and the reactor in the present embodiment is vertical cylindrical structure.
The top of reactor 1 is provided with first material import 11 and gas vent 12, bottom is provided with material outlet 13, i.e. sulfuric acid
Calcium outlet.Blender 15 and loading device 153 are additionally provided in reactor 1.Heat energy apparatus is used to provide heat to loading device 153
Energy.The heat energy apparatus includes thermal medium input pipe 143 and thermal medium efferent duct 144；The bottom surface of loading device 153 is provided with closing
The heat transfer layer 155 of structure, thermal medium input pipe 143 and thermal medium efferent duct 144 are connected to heat transfer layer 155 respectively, so that material
It is reacted at a suitable temperature.This kind of mode, so that heat transfer area is bigger, heat-transfer effect is more preferable, saves energy consumption.And heat
The range of choice of medium is more extensive, for example can be used including any one medium in hot-air, conduction oil, steam, fused salt.
And can only be in the prior art high-temperature hot-air technology, limit application range.Thermal medium input pipe 143 and thermal medium efferent duct
144 are connected with the heating system other than device respectively, to guarantee the required thermal energy of reaction.
It is difficult to prepare the defect of hydrogen fluoride using ultra-fine calcirm-fluoride as raw material to solve existing equipment, in the present embodiment
It further include feeder 2.The feeder 2 includes feeder ontology 21, is equipped with second material import in one end of feeder ontology 21
22 (i.e. calcium fluoride powder imports) and third material inlet 23 (i.e. sulfuric acid import), the other end is connected with first material import 11,
Mixing device 24 is equipped in feeder ontology 21.Wherein mixing device 24 can select spiral blender or oar blade type mixed
Glassware, mixing device 24 is spiral blender in the present embodiment, using spiral blender, so that mixing is uniform.The charging
The top of reactor 1 is arranged in device 2, and is connected with the first material import 11 of reactor 1.Raw material passes through feeder 2,
In mixing process, the chemical reaction of part occurs.
Blender 15 in this implementation column includes rotation axis 151 and material scraping plate 152.Material scraping plate 152 is fixed on rotation axis 151
On, it is located at 153 top of loading device, and contact in the form of self weight with loading device 153.The loading device 153 is fixed on outer branch
In support (not shown), feed opening 154 is equipped on loading device 153, the material on upper layer loading device 153 is by scraper
The promotion of plate 152 can descend lower layer's loading device 153, and eventually by the material outlet 13 of reactor 1, calcium sulfate is drawn off reaction
Device 1.The rotation axis 151 be it is vertically-mounted, material scraping plate 152 along rotation axis 151 vertical direction install.Above-mentioned material scraping plate root
According to needing to be set as multiple groups, and it is distributed at equal intervals along the vertical direction of rotation axis 151.
The internal diameter of the diameter and reactor 1 of loading device 153 in the present embodiment matches, and can be slightly smaller than reactor 1
Internal diameter；The quantity for the loading device that the reactor is equipped with is 2-50.
In order to enable being in micro-vacuum state in reactor 1 always, gas vent 12 is by pipeline and negative pressure device (in figure
It is not shown) it is connected, in technical process, tiny structure is in reactor 1 always, is preferably returned under negative pressure state with realizing
Receive hydrogen fluoride gas.
Above-mentioned reaction unit is to stand, therefore facilitate splicing；Loading device is also to stand, and can also be spliced；Therefore
The diameter of reaction unit can be accomplished very greatly, the production capacity of list covering device can be very big.It is existing in the case where same production capacity
Technology may need 2 sets or more, as long as and this technology set of device, investment can be greatlyd save.Due to that can spell
It connects, therefore manufacture, transport and the installation of equipment are all more simple and convenient, so that reaction unit can be 1 meter~10 in diameter
Selection in rice；Height selects in 5 meters~60 meters.And the rotary furnace of the prior art, when diameter reaches 3.8 meters, gross weight is up to several
Hundred tons；Manufacture, transport, installation require dedicated equipment and vehicle；Moreover, being limited by transportation clearance, can not mention again
High rotary furnace diameter, the structure of rotary furnace also determine that device can not can be carried out splicing, that is to say, that this form of rotary furnace
Reaction unit can not improve the production capacity of list covering device again.
Reaction unit in the present embodiment is suitble to fine calcium fluoride powder to produce hydrogen fluoride；It is particularly suitable for from calcium fluoride sludge
The utilization for the calcium fluoride powder that calcium fluoride powder, the non-ferro metals debris of extraction extract, after blending together " wet-milling " in advance in feeder, enters
Fugitive dust will not be generated in reactor, hydrogen fluoride gas is that reactor is sent out after wet-milling, will not take away dust；It is filled by bearing material
The enclosed construction heat transfer layer that the bottom surface set is provided with, heat transfer area is bigger and heat-transfer effect is more preferable；Heat insulation effect is more preferable；It saves
Energy consumption；In same production capacity, power is significantly less than the rotary reaction furnace of the prior art, saves power consumption；Thermal medium selection
Property is wider, and the thermal medium of this technology can be high-temperature hot-air, be also possible to high-temperature steam, conduction oil, fused salt etc.；Due to hydrogen fluoride
Gas does not carry dust, more advantageous to the subsequent purification processing of hydrogen fluoride gas, and scrubbing tower will not block, suspended matter in washing acid
It is reduced with sediment, the acid pump service life can be extended；Using split type package assembly, manufacture, transport, the installation of equipment are all simpler
It is single, more convenient；The production capacity of single set equipment can achieve several times of prior-art devices.
Embodiment 2
As shown in Fig. 2, another scheme of the utility model is, the utility model is equipped with collet in the outside of reactor 1
14, collet 14 is equipped with the second input port of thermal medium 141 and the second delivery outlet of thermal medium 142 of heating medium inflow and outflow.?
The outside of collet 14 is additionally provided with insulating layer (not shown), to reduce the loss of thermal energy.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above.Current row
The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments
Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also
It will have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.The utility model
Claimed range is defined by the appending claims and its equivalent thereof.
Claims (9)
1. a kind of reaction unit for preparing hydrogen fluoride suitable for calcirm-fluoride characterized by comprising reactor and thermal energy dress
It sets；
The reactor is hermetically sealed vertical type hollow structure；Be provided at the top of the reactor first material import and
Gas vent, bottom are provided with material outlet；Blender and loading device are additionally provided in the reactor；
The heat energy apparatus is used to provide thermal energy to the loading device；The heat energy apparatus includes that thermal medium input pipe and heat are situated between
Matter efferent duct；The bottom surface of the loading device is provided with the heat transfer layer of enclosed construction；The thermal medium input pipe and thermal medium are defeated
Outlet pipe is connected to the heat transfer layer respectively.
2. a kind of reaction unit for preparing hydrogen fluoride suitable for calcirm-fluoride according to claim 1, which is characterized in that also wrap
Feeder is included, the top of the reactor is arranged in the feeder, and is connected with the first material import；The charging
Device includes feeder ontology, is equipped with second material import and third material inlet, the other end in one end of the feeder ontology
It is connected with the first material import, mixing device is equipped in the feeder ontology.
3. a kind of reaction unit for preparing hydrogen fluoride suitable for calcirm-fluoride according to claim 2, which is characterized in that described
Mixing device is spiral blender or oar blade type blender.
4. a kind of reaction unit for preparing hydrogen fluoride suitable for calcirm-fluoride according to claim 1 or 2, which is characterized in that
The material scraping plate that the blender includes rotation axis, is arranged in the rotation axis, the material scraping plate are multiple groups, are located at the bearing material
It above device, and is contacted in the form of self weight with the loading device, the loading device is fixed on outer support frame, is filled in bearing material
It sets and is equipped with feed opening, the material on the loading device of upper layer by material scraping plate promotion can be descended lower layer's loading device or from described
Reaction unit discharging；The rotation axis be it is vertically-mounted, the material scraping plate along the rotation axis vertical direction install.
5. a kind of reaction unit for preparing hydrogen fluoride suitable for calcirm-fluoride according to claim 4, which is characterized in that described
Material scraping plate is distributed at equal intervals along the vertical direction of the rotation axis.
6. a kind of reaction unit for preparing hydrogen fluoride suitable for calcirm-fluoride according to claim 1, which is characterized in that described
The diameter of loading device and the internal diameter of the reactor match；The quantity for the loading device that the reactor is equipped with is 2~50
It is a.
7. a kind of reaction unit for preparing hydrogen fluoride suitable for calcirm-fluoride according to claim 1 or 2, which is characterized in that
It is equipped with collet in the outside of the reactor, the collet is equipped with the second delivery outlet of the second input port of thermal medium and thermal medium.
8. a kind of reaction unit for preparing hydrogen fluoride suitable for calcirm-fluoride according to claim 1 or 2, which is characterized in that
The gas vent is connected by pipeline with negative pressure device.
9. a kind of reaction unit for preparing hydrogen fluoride suitable for calcirm-fluoride according to claim 1 or 2, which is characterized in that
The reactor is assembled by the way of splicing；The loading device is assembled by the way of splicing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820367112.4U CN208218406U (en) | 2018-03-19 | 2018-03-19 | A kind of reaction unit preparing hydrogen fluoride suitable for calcirm-fluoride |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820367112.4U CN208218406U (en) | 2018-03-19 | 2018-03-19 | A kind of reaction unit preparing hydrogen fluoride suitable for calcirm-fluoride |
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| CN208218406U true CN208218406U (en) | 2018-12-11 |
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| CN201820367112.4U Active CN208218406U (en) | 2018-03-19 | 2018-03-19 | A kind of reaction unit preparing hydrogen fluoride suitable for calcirm-fluoride |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108217599A (en) * | 2018-03-19 | 2018-06-29 | 衢州市鼎盛化工科技有限公司 | A kind of reaction unit that hydrogen fluoride is prepared suitable for calcirm-fluoride |
-
2018
- 2018-03-19 CN CN201820367112.4U patent/CN208218406U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108217599A (en) * | 2018-03-19 | 2018-06-29 | 衢州市鼎盛化工科技有限公司 | A kind of reaction unit that hydrogen fluoride is prepared suitable for calcirm-fluoride |
| CN108217599B (en) * | 2018-03-19 | 2024-06-18 | 衢州市鼎盛化工科技有限公司 | Reaction device suitable for preparing hydrogen fluoride from calcium fluoride |
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