CN206051581U - A kind of vanadium extraction system of recoverable waste heat from tail gas - Google Patents
A kind of vanadium extraction system of recoverable waste heat from tail gas Download PDFInfo
- Publication number
- CN206051581U CN206051581U CN201620888298.9U CN201620888298U CN206051581U CN 206051581 U CN206051581 U CN 206051581U CN 201620888298 U CN201620888298 U CN 201620888298U CN 206051581 U CN206051581 U CN 206051581U
- Authority
- CN
- China
- Prior art keywords
- warm
- air pipe
- major
- treatment device
- crystallization treatment
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
Landscapes
- Processing Of Solid Wastes (AREA)
Abstract
This utility model provides a kind of vanadium extraction system of recoverable waste heat from tail gas, including expansion drying unit, calcining unit and melt element, expansion drying unit includes flash dryer, calcining unit includes calcining furnace, the major-minor crystallization treatment device that melt element is included melting furnace and is connected with melting furnace, wherein the warm-air pipe of major-minor crystallization treatment device is connected with the warm-air pipe of flash dryer by the first connecting pipe, is also connected with the warm-air pipe of the calcining furnace by the second connecting pipe.Warm-air pipe of this utility model by connecting pipe respectively by the warm-air pipe of major-minor crystallization treatment device with the warm-air pipe and calcining furnace of flash dryer is coupled together, the heat energy of high temperature tail gas on last stage has fully been recycled not only, greatly reduce the energy consumption of whole system, and the operation of some additional cooling systems that high-temperature tail gas are carried out with forced cooling is also reduced, so as to also reduce the operating cost of whole system.
Description
Technical field
This utility model is related to a kind of vanadium extraction system for producing piece of Vanadium, and in particular to a kind of recoverable
The vanadium extraction system of waste heat from tail gas.
Background technology
At present, in the production process of piece of Vanadium, mainly include wet between 18-20% to first moisture content
Mafic ammonium metavanadate is dried, calcines, melting, the PROCESS FOR TREATMENT of film-making etc..Each stage is required in high-temperature heating state
Under carry out, the purpose of wherein drying stage is the free moisture that removing is present in these ammonium metavanadate materials, needed for the stage
Temperature is 200-220 DEG C；The purpose of calcination stage is to make dried metavanadic acid ammonia carry out deamination decomposition, and powdery is formed after calcining
Vanadium oxide, the stage are temperature required for 500-550 DEG C；The purpose of melt stage is that the vanadium oxide powder after calcining is carried out high temperature
Melt processed, forms piece of Vanadium finally to carry out film-making process, and the stage is temperature required for 800-850 DEG C.
And in prior art, the high-temperature tail gas that each stage finally produces adopt forced cooling, reach straight after discharge standard
Outer row is met, the heat energy of high-temperature tail gas is not recycled, caused a large amount of heat energy to be wasted, make whole system
Energy consumption is higher.Additionally, high-temperature tail gas are carried out with forced cooling need to be realized by the cooling system for adding, also so that whole system
Operating cost it is larger.
Utility model content
This utility model provides a kind of vanadium extraction system of recoverable waste heat from tail gas, to solve vanadium extraction of the prior art
System is not recycled to the heat energy of high-temperature tail gas, and the problem that caused energy consumption is higher, operating cost is larger.
This utility model provides a kind of vanadium extraction system of recoverable waste heat from tail gas, including expansion drying unit, calcining
Unit and melt element, the expansion drying unit include flash dryer, and the calcining unit includes calcining furnace, the melting
The major-minor crystallization treatment device that unit is included melting furnace and is connected with the melting furnace, wherein the hot blast of the major-minor crystallization treatment device
Gutron is crossed the first connecting pipe and is connected with the warm-air pipe of the flash dryer.
As optimal way of the present utility model, the heat of the close major-minor crystallization treatment device on first connecting pipe
It is provided with air-valve at the position of airduct.
As optimal way of the present utility model, the material of first connecting pipe and the major-minor crystallization treatment device
The material of warm-air pipe is identical with the material of the warm-air pipe of the flash dryer, and the caliber of first connecting pipe is than the master
The caliber of the warm-air pipe of the caliber and the flash dryer of the warm-air pipe of secondary crystallization treatment device is little.
Used as optimal way of the present utility model, the warm-air pipe of the major-minor crystallization treatment device also passes through the second connecting pipe
It is connected with the warm-air pipe of the calcining furnace.
As optimal way of the present utility model, the heat of the close major-minor crystallization treatment device on second connecting pipe
It is provided with air-valve at the position of airduct.
As optimal way of the present utility model, the material of second connecting pipe and the major-minor crystallization treatment device
The material of warm-air pipe is identical with the material of the warm-air pipe of the calcining furnace, and the caliber of second connecting pipe is tied than the major-minor
The caliber of the warm-air pipe of the caliber of the warm-air pipe of brilliant processor and the calcining furnace is little.
A kind of vanadium extraction system of recoverable waste heat from tail gas that this utility model is provided, respectively will be main by connecting pipe
The secondary warm-air pipe of crystallization treatment device is coupled together with the warm-air pipe of the warm-air pipe of flash dryer and calcining furnace, so that upper single order
The heat energy of the high-temperature tail gas of section is participated in the heat exchanging process of the next stage for needing heating, has not only fully been recycled
The heat energy of one stage high temperature tail gas, greatly reduces the energy consumption of whole system, and also reduces some to enter high-temperature tail gas
The operation of the additional cooling system of row forced cooling, so as to also reduce the operating cost of whole system.
Description of the drawings
For the technical scheme being illustrated more clearly that in this utility model embodiment, below will be to needed for embodiment description
Accompanying drawing to be used is briefly described, it should be apparent that, drawings in the following description are only some realities of the present utility model
Example is applied, for those of ordinary skill in the art, on the premise of not paying creative work, can be with according to these accompanying drawings
Obtain other accompanying drawings.
The front view structure of the vanadium extraction system of the recoverable waste heat from tail gas that Fig. 1 is provided for this utility model embodiment is illustrated
Figure；
The plan structure of the vanadium extraction system of the recoverable waste heat from tail gas that Fig. 2 is provided for this utility model embodiment is illustrated
Figure.
Wherein, 1, flash dryer, 2, calcining furnace, 3, melting furnace, 4, major-minor crystallization treatment device, 5, with air-valve, 6, first
Connecting pipe, the 7, second connecting pipe.
Specific embodiment
It is to make the purpose of this utility model, technical scheme and advantage clearer, new to this practicality below in conjunction with accompanying drawing
Type embodiment is described in further detail.
Vanadium extraction system is a kind of big scale production equipment for producing piece of Vanadium, is mainly included to first moisture content
Several PROCESS FOR TREATMENT stages such as drying that the wet basis ammonium metavanadate between 18-20% is carried out, calcining, melting, film-making.Each
Stage is required to carry out under high-temperature heating state, and the high-temperature tail gas for finally producing adopt forced cooling, reach discharge standard
It is directly outer afterwards to arrange.
And in such process treatment process, when processing as same successive stages are carried out to same material, internal system
In negative pressure state, material propertiess are close to, therefore in the case of less with row's inventory outside tail gas, it may be considered that by upper single order
The heat energy of the high-temperature tail gas of section is participated in the heat exchanging process of the next stage for needing heating, to reduce the energy of whole system
Consumption, while can also reduce the operation of some additional cooling systems that high-temperature tail gas are carried out with forced cooling.
Additionally, in the heat exchanging process that the heat energy of high-temperature tail gas on last stage is incorporated into the next stage for needing heating
When middle, in addition it is also necessary to which whole technical process is studied, and the temperature to each stage tail gas, chemical property, be introduced directly into it is right
The impact of material on last stage and the normal even running to whole system etc. are analyzed and actual tests checking, with true
Protect recycling high-temperature tail gas waste heat feasible in practical operation.
This utility model embodiment discloses a kind of vanadium extraction system of recoverable waste heat from tail gas, and see figures.1.and.2 institute
Show, the system includes expansion drying unit, calcining unit and melt element, expansion drying unit mainly includes flash dryer 1,
Calcining unit mainly includes calcining furnace 2, and melt element mainly includes melting furnace 3 and the major-minor crystallization treatment device being connected with melting furnace
4, the wherein warm-air pipe of major-minor crystallization treatment device 4 is connected with the warm-air pipe of flash dryer 1 by the first connecting pipe 6.
As, in whole system, the temperature required temperature highest of melt stage is main after melt element is by calcining
Vanadium oxide powder carries out high temperature melting process, forms piece of Vanadium finally to carry out film-making process.Melt element
The main major-minor crystallization treatment device 4 for including melting furnace 3 and being connected with melting furnace 3, the temperature in the vertical reaction tower of melting furnace 3 are high
Up to 800-850 DEG C.Melting furnace 3 is the closed environment of a tiny structure, and the exhaust temperature that melting process is produced is about 400-500
DEG C, its Jing major-minor crystallization treatment device 4 is reclaimed.In prior art, the tail gas must by the forced cooling such as water-bath to 200 DEG C with
Under, it is directly outer after reaching discharge standard to arrange.
And drying stage is temperature required for 200-220 DEG C, metavanadic acid is present in remove by expansion drying unit mainly
Free moisture in ammonium material.Expansion drying unit not only includes flash dryer 1, also including air stove and high-pressure suction fan.
In prior art, the heat transfer medium of flash dryer 1 comes solely from the hot blast of air stove, and energy consumption is larger.Meanwhile, in high pressure air inducing
In the presence of machine, it is dried inside flash distillation machine 1 and can forms subnormal ambient.
Therefore, by the first connecting pipe 6 by the warm-air pipe of the warm-air pipe and flash dryer 1 of major-minor crystallization treatment device 4
After coupling together, the high-temperature tail gas in major-minor crystallization treatment device 4 enter flash dryer 1 in, as except air stove hot blast it
Outer another secondary heat-transferring medium, so as to realize the recycling of the waste heat from tail gas, and without separately being arranged to the tail again
The cooling system of gas forced cooling.Additionally, the tail gas discharged in major-minor crystallization treatment device 4 is introduced directly in flash dryer 1, no
Impact can be produced on the two stages and whole system.
Further, on the basis of above-described embodiment, near major-minor crystallization treatment device 4 on the first connecting pipe 6
It is provided with the position of warm-air pipe with air-valve 5.Due to major-minor crystallization treatment device 4 and flash dryer 1 be it is separate, therefore this
The systematic parameter and negative pressure condition of two device interiors is each variant.In order that the waste heat in major-minor crystallization treatment device 4 smoothly enters
Enter in the flash dryer 1 that need to be introduced into, needing to arrange on the first connecting pipe 6 carries out exterior guiding with air-valve 5.Arrange at this
After with air-valve 5, the waste heat in major-minor crystallization treatment device 4 not only can be made smoothly to enter in flash dryer 1, but also can be made
Ambient condition inside major-minor crystallization treatment device 4 and flash dryer 1 is relatively stable.
Further, on the basis of above-described embodiment, material and the major-minor crystallization treatment device 4 of the first connecting pipe 6
The material of warm-air pipe is identical with the material of the warm-air pipe of flash dryer 1.Ensure the material of the first connecting pipe 6 and need to be connected
Two equipment warm-air pipe material it is identical, you can meet by major-minor crystallization treatment device 4 waste heat introduce flash dryer 1
When desired physical considerations to be met, and make without using more preferable material.
Meanwhile, the caliber of the first connecting pipe 6 caliber and flash dryer 1 than the warm-air pipe of major-minor crystallization treatment device 4
Warm-air pipe caliber it is little.If the caliber of the first connecting pipe 6 is larger, tail gas therein and connected major-minor knot are flow through
Heat in brilliant processor 4 comparatively fast can be lost in, and be difficult to 4 internal medium of major-minor crystallization treatment device stable.If the first connecting pipe 6
Caliber it is less, flow through tail gas therein and the heat build-up in connected major-minor crystallization treatment device 4 be difficult to flow away, make
The waste heat that must be entered in flash dryer 1 is limited, the recycling effect on driving birds is not good of waste heat from tail gas.Usually, the first connecting pipe 6
Caliber it is less than the caliber of the warm-air pipe of the caliber and flash dryer 1 of the warm-air pipe of major-minor crystallization treatment device 4 one or two
During model, effect is preferable.
In addition, on the basis of above-described embodiment, the warm-air pipe of major-minor crystallization treatment device 4 also passes through the second connecting pipe 7
It is connected with the warm-air pipe of calcining furnace 2.
As calcination stage is temperature required for 500-550 DEG C, mainly dried metavanadic acid ammonia is entered by calcining unit
Row deamination decomposes, and then calcining forms vanadium oxide powder.Calcining unit not only includes calcining furnace 2, also including high-pressure suction fan, forges
Burning stove 2 makes the temperature of its internal gas flow reach 500-550 DEG C by heating, so that dried material is complete under suspended state
Into calcination process.In prior art, the heat transfer medium of calcining furnace 2 come solely from self by plus thermogenetic hot blast, energy consumption compared with
Greatly.Meanwhile, in the presence of high-pressure suction fan, inside calcining furnace 2, can also form subnormal ambient.
Therefore, the warm-air pipe of the warm-air pipe and calcining furnace 2 of major-minor crystallization treatment device 4 is connected by the second connecting pipe 7
After getting up, the high-temperature tail gas in major-minor crystallization treatment device 4 are entered in calcining furnace 2, as in addition to the hot blast that conducting self-heating is produced
Another secondary heat-transferring medium, so as to realize the recycling of the waste heat from tail gas.Additionally, discharge in major-minor crystallization treatment device 4
Tail gas is introduced directly in calcining furnace 2, will not produce impact to the two stages and whole system.
Further, on the basis of above-described embodiment, near major-minor crystallization treatment device 4 on the second connecting pipe 7
It is provided with the position of warm-air pipe with air-valve 5.Similarly, due to major-minor crystallization treatment device 4 and the systematic parameter inside calcining furnace 2 and
Negative pressure condition is each variant, therefore in order that in the waste heat calcining furnace 2 that smoothly entrance need to be introduced in major-minor crystallization treatment device 4,
Need to arrange on the second connecting pipe 7 exterior guiding is carried out with air-valve 5.Arrange with after air-valve 5 at this, major-minor not only can be made
Waste heat in crystallization treatment device 4 is smoothly entered in calcining furnace 2, and can be made inside major-minor crystallization treatment device 4 and calcining furnace 2
Ambient condition is relatively stable.
Further, on the basis of above-described embodiment, material and the major-minor crystallization treatment device 4 of the second connecting pipe 7
The material of warm-air pipe is identical with the material of the warm-air pipe of calcining furnace 2.Similarly, it is ensured that the material of the second connecting pipe 7 and needs
The material of the warm-air pipe of two equipment of connection is identical, you can meets and for the waste heat in major-minor crystallization treatment device 4 to introduce calcining furnace 2
When desired physical considerations to be met, and make without using more preferable material.
Meanwhile, the caliber of the second connecting pipe 7 caliber and the heat of calcining furnace 2 than the warm-air pipe of major-minor crystallization treatment device 4
The caliber of airduct is little.Similarly, if the caliber of the second connecting pipe 7 is larger, tail gas therein and connected master are flow through
Heat in secondary crystallization treatment device 4 comparatively fast can be lost in, and be difficult to 4 internal medium of major-minor crystallization treatment device stable.If the second connection
The caliber of pipeline 7 is less, flows through tail gas therein and the heat build-up in connected major-minor crystallization treatment device 4 is difficult to flow
Walk so that limited into the waste heat in calcining furnace 2, the recycling effect on driving birds is not good of waste heat from tail gas.Usually, the second connecting pipe
7 caliber is than little one or two model of the caliber of the warm-air pipe of the caliber and calcining furnace 2 of the warm-air pipe of major-minor crystallization treatment device 4
When, effect is preferable.
In the specific implementation, it will usually which the structure of above-described embodiment is carried out easy process, i.e., by the first communicating pipe
The warm-air pipe of the warm-air pipe and flash dryer 1 of major-minor crystallization treatment device 4 is coupled together by road 6, then again by the second connection
Pipeline 7 is connected directly between the warm-air pipe of calcining furnace 2 on first connecting pipe 6, finally near main only on the first connecting pipe 6
Arrange at the position of the warm-air pipe of secondary crystallization treatment device 4 with air-valve 5, Fig. 1 shows the connected mode.Shown in Fig. 1
This easy connected mode, not only do not interfere with implementation result, reduce connecting pipeline and the setting with air-valve on the contrary, make
Total is simpler, compact.
It should be noted that as the structure of whole vanadium extraction system is excessively huge, the flash distillation referred in above-described embodiment is done
Also include some other equipment in dry unit, calcining unit and melt element, be that drawing is convenient, do not affecting to above-described embodiment
Understanding in the case of, the other equipment not shown in Fig. 1 in vanadium extraction system.
The vanadium extraction system of the recoverable waste heat from tail gas that this utility model embodiment is provided, by recycling high temperature tail
Gas waste heat, greatly reduces the energy consumption of whole system, also reduces the operation of some additional cooling systems, so as to decrease fortune
Row cost.
Preferred embodiment of the present utility model is the foregoing is only, it is not to limit this utility model, all in this practicality
Within new spirit and principle, any modification, equivalent substitution and improvements made etc. should be included in guarantor of the present utility model
Within the scope of shield.
Claims (5)
1. a kind of vanadium extraction system of recoverable waste heat from tail gas, it is characterised in that including expansion drying unit, calcining unit and
Melt element, the expansion drying unit include flash dryer, and the calcining unit includes calcining furnace, the melt element bag
The major-minor crystallization treatment device for including melting furnace and being connected with the melting furnace, wherein the warm-air pipe of the major-minor crystallization treatment device passes through
First connecting pipe is connected with the warm-air pipe of the flash dryer, and the warm-air pipe of the major-minor crystallization treatment device also passes through second
Connecting pipe is connected with the warm-air pipe of the calcining furnace.
2. system according to claim 1, it is characterised in that on first connecting pipe at the major-minor crystallization
It is provided with air-valve at the position of the warm-air pipe of reason device.
3. system according to claim 1 and 2, it is characterised in that the material of first connecting pipe and the major-minor
The material of the warm-air pipe of crystallization treatment device is identical with the material of the warm-air pipe of the flash dryer, first connecting pipe
Caliber is less than the caliber of the warm-air pipe of the caliber and the flash dryer of the warm-air pipe of the major-minor crystallization treatment device.
4. system according to claim 1, it is characterised in that on second connecting pipe at the major-minor crystallization
It is provided with air-valve at the position of the warm-air pipe of reason device.
5. the system according to claim 1 or 4, it is characterised in that the material of second connecting pipe and the major-minor
The material of the warm-air pipe of crystallization treatment device is identical with the material of the warm-air pipe of the calcining furnace, the caliber of second connecting pipe
It is less than the caliber of the warm-air pipe of the caliber and the calcining furnace of the warm-air pipe of the major-minor crystallization treatment device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620888298.9U CN206051581U (en) | 2016-08-16 | 2016-08-16 | A kind of vanadium extraction system of recoverable waste heat from tail gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620888298.9U CN206051581U (en) | 2016-08-16 | 2016-08-16 | A kind of vanadium extraction system of recoverable waste heat from tail gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206051581U true CN206051581U (en) | 2017-03-29 |
Family
ID=58380599
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620888298.9U Expired - Fee Related CN206051581U (en) | 2016-08-16 | 2016-08-16 | A kind of vanadium extraction system of recoverable waste heat from tail gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206051581U (en) |
-
2016
- 2016-08-16 CN CN201620888298.9U patent/CN206051581U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105571338B (en) | A kind of system for the tail gas for handling rock wool board assembly line furnace cupola | |
| CN205933958U (en) | Calcination device of useless phosphor powder | |
| CN203704617U (en) | Drying system with recyclable heat energy | |
| CN206051581U (en) | A kind of vanadium extraction system of recoverable waste heat from tail gas | |
| CN202770149U (en) | Drying system for recycling waste heat from a kiln | |
| CN104848679A (en) | Waste heat recovery device for drying room and temperature control method thereof | |
| CN104231677A (en) | Carbon black wet-method granulation drying system and carbon black wet-method granulation drying process | |
| CN105486096A (en) | Waste-heat utilization method and device for indirect heating type sintering system | |
| CN208846981U (en) | A kind of lime rotary kiln afterheat generating system | |
| CN103322773B (en) | System and method for drying sodium sulfite materials | |
| CN216132257U (en) | Hot air circulation drying system of tunnel kiln | |
| CN205953863U (en) | Industry by -product gypsum suspension reaction system | |
| CN203657497U (en) | Waste heat recovery device of reclaimed sand calcining furnace | |
| CN204022721U (en) | A kind of dry system of processing of carbon black wet granulation | |
| CN102923719A (en) | Dry tail gas waste heat recovery system for white carbon black production | |
| CN206847409U (en) | A kind of grate-cooler | |
| CN202599067U (en) | Drying tower waste heat recycling device | |
| CN109631605A (en) | A kind of smoke heat energy recovery method of phosphorus ore calcination rotary kiln | |
| CN207751351U (en) | Stove stores the recovery structure of cooling zone waste heat | |
| CN207922797U (en) | A kind of seasoning granulation dryer | |
| CN206724593U (en) | A kind of air circulation recovering mechanism of baking room | |
| CN106705603A (en) | Efficient combined drying system applied to powder and granule products | |
| CN103363790B (en) | A kind of pair of heat source vertical type and use the drying system of this dryer | |
| CN207741577U (en) | A kind of highly-purity magnesite shaft furnace spraying cooling hydraulic giant | |
| CN206410501U (en) | A kind of tunnel cave |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170329 Termination date: 20210816 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |