CN220871267U - Calcination cooling continuous production drying calcination device - Google Patents
Calcination cooling continuous production drying calcination device Download PDFInfo
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- CN220871267U CN220871267U CN202322637103.6U CN202322637103U CN220871267U CN 220871267 U CN220871267 U CN 220871267U CN 202322637103 U CN202322637103 U CN 202322637103U CN 220871267 U CN220871267 U CN 220871267U
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- drying
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- cooling
- cloth bag
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- 238000001035 drying Methods 0.000 title claims abstract description 133
- 238000001354 calcination Methods 0.000 title claims abstract description 86
- 238000001816 cooling Methods 0.000 title claims abstract description 64
- 238000010924 continuous production Methods 0.000 title claims abstract description 15
- 239000004744 fabric Substances 0.000 claims abstract description 34
- 238000007599 discharging Methods 0.000 claims abstract description 21
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 40
- 239000000463 material Substances 0.000 claims description 30
- 239000003345 natural gas Substances 0.000 claims description 22
- 239000000428 dust Substances 0.000 claims description 20
- 238000002485 combustion reaction Methods 0.000 claims description 7
- 238000000354 decomposition reaction Methods 0.000 claims description 7
- 230000005484 gravity Effects 0.000 claims description 6
- 238000001704 evaporation Methods 0.000 abstract description 4
- 230000008020 evaporation Effects 0.000 abstract description 4
- 239000000047 product Substances 0.000 description 10
- 239000002245 particle Substances 0.000 description 7
- 239000007789 gas Substances 0.000 description 6
- 239000000843 powder Substances 0.000 description 6
- 238000005265 energy consumption Methods 0.000 description 4
- 238000011282 treatment Methods 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 238000007664 blowing Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000012065 filter cake Substances 0.000 description 3
- 238000010008 shearing Methods 0.000 description 3
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- UOURRHZRLGCVDA-UHFFFAOYSA-D pentazinc;dicarbonate;hexahydroxide Chemical compound [OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[Zn+2].[Zn+2].[Zn+2].[Zn+2].[Zn+2].[O-]C([O-])=O.[O-]C([O-])=O UOURRHZRLGCVDA-UHFFFAOYSA-D 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
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- Drying Of Solid Materials (AREA)
Abstract
The invention relates to the technical field of mechanical equipment, in particular to a calcination cooling continuous production drying calcination device; the device comprises a drying heat supply module, a drying module, a feeding and decomposing exhaust module, a calcining module and a cooling aggregate module; the drying module comprises a double-screw feeder, a combined flash evaporation dryer, a first cyclone collector, a discharging machine, a drying aggregate spiral, a drying cloth bag and a drying induced draft fan, wherein the drying heat supply module is connected with the double-screw feeder, the double-screw feeder is connected with the combined flash evaporation dryer, the first cyclone collector is respectively connected with the combined flash evaporation dryer and the first cyclone collector, the discharging machine is respectively connected with the first cyclone collector, the drying aggregate spiral and the drying cloth bag, and the drying induced draft fan is respectively connected with the drying cloth bag, the feeding and the decomposing exhaust module.
Description
Technical Field
The invention relates to the technical field of mechanical equipment, in particular to a calcination cooling continuous production drying calcination device.
Background
At present, in basic zinc carbonate drying, a natural gas burner and a natural gas hot-air furnace are adopted for drying and calcining, but a drying device is not used in the drying and calcining, so that when the natural gas burner and the natural gas hot-air furnace are used, the air inlet temperature is high, the air outlet temperature is high, the drying requirement can be met, and the energy consumption of the product is high.
Disclosure of Invention
The invention aims to provide a calcination cooling continuous production drying calcination device, which solves the problem of higher energy consumption when a natural gas burner and a natural gas hot blast stove are used.
In order to achieve the aim, the continuous production drying and calcining device adopting calcination cooling comprises a drying heat supply module, a drying module, a feeding and decomposing exhaust module, a calcining module and a cooling aggregate module, wherein the drying module is connected with the drying heat supply module, the feeding and decomposing exhaust module is connected with the drying module, the calcining module is connected with the feeding and decomposing exhaust module, and the cooling aggregate module is connected with the calcining module;
The drying module comprises a double-screw feeder, a combined flash dryer, a first cyclone collector, a discharging machine, a drying aggregate spiral, a drying cloth bag and a drying induced draft fan, wherein the drying heat supply module is connected with the double-screw feeder, the double-screw feeder is connected with the combined flash dryer, the first cyclone collector is respectively connected with the combined flash dryer and the first cyclone collector, the discharging machine is respectively connected with the first cyclone collector, the drying aggregate spiral and the drying cloth bag, and the drying induced draft fan is respectively connected with the drying cloth bag and the feeding and decomposing exhaust module.
The drying and heating module comprises a natural gas combustion machine, a natural gas hot-air furnace, a drying blower and a flash drying main machine, wherein the natural gas hot-air furnace is respectively connected with the natural gas combustion machine and the drying blower, the flash drying main machine is connected with the drying blower, and the flash drying main machine is connected with the double-screw feeder.
The feeding and decomposing exhaust module comprises a calcining feeding conveying screw, a decomposing exhaust dust removing cloth bag and a decomposing exhaust induced draft fan, wherein the calcining feeding conveying screw is connected with the drying induced draft fan, and the decomposing exhaust dust removing cloth bag is respectively connected with the calcining feeding conveying screw and the decomposing exhaust induced draft fan.
The calcination module comprises a calcination feeder, a gravity discharge valve and a calcination rotary drum, wherein the calcination rotary drum is connected with the decomposition exhaust induced draft fan, the calcination rotary drum is connected with the calcination feeder, and the gravity discharge valve is arranged on the calcination feeder.
The cooling aggregate module comprises a cooling suction pipe, a cooling cyclone aggregate spiral, a second cyclone collector, a material conveying spiral, a cloth bag discharging spiral, a cooling pulse dust collector and a cooling air cooler, wherein two ends of the cooling suction pipe are respectively communicated with the second cyclone collector and the calcining rotary drum, the cooling cyclone aggregate spiral is arranged below the second cyclone collector, the cloth bag discharging spiral is arranged below the cooling pulse dust collector, the material conveying spiral is respectively connected with the cloth bag discharging spiral and the cooling cyclone aggregate spiral, and the cooling air cooler is connected with the cooling pulse dust collector.
According to the calcination cooling continuous production drying calcination device, hot air enters a drying chamber from a tangential inlet at the bottom of the flash evaporation dryer; the filter cake material is quantitatively and uniformly fed into a drying chamber by a double-screw feeder to contact with hot air, and the material is micronized by strong shearing, blowing and rotating actions of a multilayer rotary disperser and hot air to form larger surface area, so that mass and heat transfer are enhanced, and moisture of the material is rapidly evaporated. The larger, more moist clusters of particles are mechanically crushed at the bottom and the smaller particles with lower moisture content are lifted by the rotating air stream and further dried during the lifting. Along with the reduction of hot air temperature, drying speed reduces, and the material in the drying reentry along with hot-blast cyclone dryer this moment, the air current carries the material to follow tangential direction and gets into cyclone dryer, forms the helix motion along the inner wall, and the material evenly distributed and rotatory disturbance in the air current has increased the heat exchange time of hot air flow and material, further reinforces drying process, and dry powder gets into along with the air current first cyclone collector, the finished product by the bottom of first cyclone collector the discharger discharges, and the small amount of fine powder that carries in the tail gas passes through the further filtration separation of drying sack, and the tail gas after the purification is by drying induced draft fan discharges, has increased whirl drying, increases the time of material and hot-blast heat exchange, and heat utilization is more abundant, and the thermal efficiency is higher, obtains the effect that reduces the product energy consumption.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram showing the structure of a calcination cooling continuous production drying calcination apparatus according to the present invention.
Fig. 2 is a schematic diagram of a drying heat supply module and a drying module according to the present invention.
FIG. 3 is a schematic diagram of the structure of the feed and decomposition exhaust module, the calcination module, and the cooled aggregate module of the present invention.
The device comprises a 1-natural gas burner, a 2-natural gas hot blast stove, a 3-drying blower, a 4-flash drying main machine, a 5-double screw feeder, a 6-combined flash dryer, a 7-first cyclone collector, an 8-discharging machine, a 9-drying aggregate screw, a 10-drying cloth bag, a 11-drying induced draft fan, a 12-calcination feeding conveying screw, a 13-decomposition exhaust dust collection cloth bag, a 14-decomposition exhaust induced draft fan, a 15-calcination feeder, a 16-gravity discharge valve, a 17-calcination rotary drum, a 18-cooling suction pipe, a 19-cooling cyclone aggregate screw, a 20-second cyclone collector, a 21-material conveying screw, a 22-cloth bag discharging screw, a 23-cooling pulse dust collector and a 24-cooling air cooler.
Detailed Description
Referring to fig. 1 to 3, fig. 1 is a schematic structural view of a calcination cooling continuous production drying calcination apparatus, fig. 2 is a schematic structural view of a drying heat supply module and a drying module, and fig. 3 is a schematic structural view of a feeding and decomposition exhaust module, a calcination module, and a cooling aggregate module.
The invention provides a calcination cooling continuous production drying calcination device which comprises a drying heat supply module, a drying module, a feeding and decomposing exhaust module, a calcination module and a cooling aggregate module, wherein the drying module is connected with the drying heat supply module, the feeding and decomposing exhaust module is connected with the drying module, the calcination module is connected with the feeding and decomposing exhaust module, and the cooling aggregate module is connected with the calcination module;
The drying module comprises a double-screw feeder 5, a combined flash dryer 6, a first cyclone collector 7, a discharging machine 8, a drying aggregate spiral 9, a drying cloth bag 10 and a drying induced draft fan 11, wherein the drying heat supply module is connected with the double-screw feeder 5, the double-screw feeder 5 is connected with the flash dryer 4, the first cyclone collector 7 is respectively connected with the combined flash dryer 6 and the drying cloth bag 10, the discharging machine 8 is respectively connected with the first cyclone collector 7, the drying aggregate spiral 9 and the drying cloth bag 10, and the drying induced draft fan 11 is respectively connected with the drying cloth bag 10 and the feeding and decomposing exhaust module.
In this embodiment, hot air enters the drying chamber from a tangential inlet at the bottom of the flash dryer 4; the filter cake material is quantitatively and uniformly fed into a drying chamber by a double-screw feeder 5 to be contacted with hot air, and the material is micronized by strong shearing, blowing and rotating actions of a multilayer rotary disperser and hot air to form larger surface area, so that mass and heat transfer are enhanced, and moisture of the material is rapidly evaporated. The larger, more moist clusters of particles are mechanically crushed at the bottom and the smaller particles with lower moisture content are lifted by the rotating air stream and further dried during the lifting. The drying speed is reduced along with the reduction of the temperature of hot air, at the moment, the materials in drying enter the cyclone dryer along with hot air, airflow entrains the materials to enter the cyclone dryer along with the tangential direction, spiral line motion is formed along the inner wall, the materials are uniformly distributed and rotationally disturbed in the airflow, the heat exchange time of hot air flow and the materials is increased, the drying process is further enhanced, dry powder enters the first cyclone collector 7 along with the airflow, the finished product is discharged by the discharging machine 8 at the bottom of the first cyclone collector 7, a small amount of fine powder entrained in tail gas is further filtered and separated by the drying cloth bag 10, the purified tail gas is discharged by the drying induced draft fan 11, the cyclone drying is increased, the heat exchange time of the materials and the hot air is increased, the heat utilization is more sufficient, the heat efficiency is higher, and the effect of reducing the energy consumption of the product is obtained; in the drying of basic zinc carbonate, phosphoric acid and sodium carbonate or sodium hydroxide are subjected to calcination treatment, drying and cooling are carried out in the calcination treatment process, dust removal treatment is carried out at the same time, and larger and more wet particle groups are mechanically crushed and then subjected to dust removal treatment.
Further, the drying heat supply module comprises a natural gas combustion machine 1, a natural gas hot blast stove 2, a drying blower 3 and a flash drying main machine 4, wherein the natural gas hot blast stove 2 is respectively connected with the natural gas combustion machine 1 and the drying blower 3, the flash drying main machine 4 is connected with the drying blower 3, and the flash drying main machine 4 is connected with the double-screw feeder 5.
Further, the feeding and decomposing exhaust module comprises a calcining feeding conveying screw 12, a decomposing exhaust dust removing cloth bag 13 and a decomposing exhaust induced draft fan 14, wherein the calcining feeding conveying screw 12 is connected with the drying induced draft fan 11, and the decomposing exhaust dust removing cloth bag 13 is respectively connected with the calcining feeding conveying screw 12 and the decomposing exhaust induced draft fan 14.
Further, the calcination module comprises a calcination feeder 15, a gravity discharge valve 16 and a calcination rotary drum 17, wherein the calcination rotary drum 17 is connected with the decomposition exhaust induced draft fan 14, the calcination rotary drum 17 is connected with the calcination feeder 15, and the gravity discharge valve 16 is arranged on the calcination feeder 15.
Further, the cooling aggregate module comprises a cooling suction pipe 18, a cooling cyclone aggregate spiral 19, a second cyclone collector 20, a material conveying spiral 21, a cloth bag discharging spiral 22, a cooling pulse dust collector 23 and a cooling air cooler 24, wherein two ends of the cooling suction pipe 18 are respectively communicated with the second cyclone collector 20 and the calcination rotary drum 17, the cooling cyclone aggregate spiral 19 is arranged below the second cyclone collector 20, the cloth bag discharging spiral 22 is arranged below the cooling pulse dust collector 23, the material conveying spiral 21 is respectively connected with the cloth bag discharging spiral 22 and the cooling cyclone aggregate spiral 19, and the cooling air cooler 24 is connected with the cooling pulse dust collector 23.
In this embodiment, the hot air formed by mixing cold air with high temperature flue gas generated after natural gas combustion is sent to a tangential inlet at the bottom of the combined flash dryer 6 by the drying blower 3, and enters a drying chamber; the filter cake material is quantitatively and uniformly fed into a drying chamber by a double-screw feeder 5 to be contacted with hot air, and the material is micronized by strong shearing, blowing and rotating actions of a multilayer rotary disperser and hot air to form larger surface area, so that mass and heat transfer are enhanced, and moisture of the material is rapidly evaporated. The larger, more moist clusters of particles are mechanically crushed at the bottom and the smaller particles with lower moisture content are lifted by the rotating air stream and further dried during the lifting. Along with the reduction of the temperature of hot air, the drying speed is reduced, at the moment, the materials in drying reenter the cyclone dryer along with hot air, airflow entrains the materials to enter the cyclone dryer from the tangential direction, spiral line motion is formed along the inner wall, the materials are uniformly distributed and rotationally disturbed in the airflow, the heat exchange time of hot airflow and the materials is increased, the drying process is further enhanced, dry powder enters the first cyclone collector 7 along with the airflow, the finished product is discharged by the discharging machine 8 at the bottom of the first cyclone collector 7, a small amount of fine powder entrained in tail gas is further filtered and separated by the drying cloth bag 10, and the purified tail gas is discharged by the drying induced draft fan 11. The product collected by the cyclone and the cloth bag is sent into the calcining rotary drum 17 heated by the natural gas outside by the calcining feeding conveying screw 12 to calcine active zinc oxide. And (5) automatically controlling the temperature after the calcination temperature is preset. The calcined product is discharged from a kiln tail discharge port. The product from the discharge opening of the calcination rotary drum 17 enters the cooling air cooler 24 for cooling, and the cooled product is collected by the cooling pulse dust collector 23 and can be directly packaged.
The above disclosure is only a preferred embodiment of the present invention, and it should be understood that the scope of the invention is not limited thereto, and those skilled in the art will appreciate that all or part of the procedures described above can be performed according to the equivalent changes of the claims, and still fall within the scope of the present invention.
Claims (5)
1. A calcination cooling continuous production drying calcination device is characterized in that,
The device comprises a drying heat supply module, a drying module, a feeding and decomposing exhaust module, a calcining module and a cooling aggregate module, wherein the drying module is connected with the drying heat supply module, the feeding and decomposing exhaust module is connected with the drying module, the calcining module is connected with the feeding and decomposing exhaust module, and the cooling aggregate module is connected with the calcining module;
The drying module comprises a double-screw feeder, a combined flash dryer, a first cyclone collector, a discharging machine, a drying aggregate spiral, a drying cloth bag and a drying induced draft fan, wherein the drying heat supply module is connected with the combined flash dryer, the double-screw feeder is connected with the combined flash dryer, the combined flash dryer is respectively connected with the combined flash dryer and the first cyclone collector, the discharging machine is respectively connected with the first cyclone collector, the drying aggregate spiral and the drying cloth bag, and the drying induced draft fan is respectively connected with the drying cloth bag and the feeding and decomposing exhaust module.
2. The calcination cooling continuous production drying calcination apparatus according to claim 1, wherein,
The drying heat supply module comprises a natural gas combustion machine, a natural gas hot blast stove, a drying air blower and a flash drying main machine, wherein the natural gas hot blast stove is respectively connected with the natural gas combustion machine and the drying air blower, the flash drying main machine is connected with the drying air blower, and the flash drying main machine is connected with the double-screw feeder.
3. The calcination cooling continuous production drying calcination apparatus according to claim 1, wherein,
The feeding and decomposing exhaust module comprises a calcining feeding conveying screw, a decomposing exhaust dust removing cloth bag and a decomposing exhaust induced draft fan, wherein the calcining feeding conveying screw is connected with the drying induced draft fan, and the decomposing exhaust dust removing cloth bag is respectively connected with the calcining feeding conveying screw and the decomposing exhaust induced draft fan.
4. A calcination cooling continuous production drying calcination apparatus according to claim 3, wherein,
The calcination module comprises a calcination feeder, a gravity discharge valve and a calcination rotary drum, wherein the calcination rotary drum is connected with the decomposition exhaust induced draft fan, the calcination rotary drum is connected with the calcination feeder, and the gravity discharge valve is arranged on the calcination feeder.
5. The calcination cooling continuous production drying calcination apparatus according to claim 4, wherein,
The cooling aggregate module comprises a cooling suction pipe, a cooling cyclone aggregate spiral, a second cyclone collector, a material conveying spiral, a cloth bag discharging spiral, a cooling pulse dust collector and a cooling air cooler, wherein two ends of the cooling suction pipe are respectively communicated with the second cyclone collector and the calcining rotary drum, the cooling cyclone aggregate spiral is arranged below the second cyclone collector, the cloth bag discharging spiral is arranged below the cooling pulse dust collector, the material conveying spiral is respectively connected with the cloth bag discharging spiral and the cooling cyclone aggregate spiral, and the cooling air cooler is connected with the cooling pulse dust collector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322637103.6U CN220871267U (en) | 2023-09-27 | 2023-09-27 | Calcination cooling continuous production drying calcination device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322637103.6U CN220871267U (en) | 2023-09-27 | 2023-09-27 | Calcination cooling continuous production drying calcination device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220871267U true CN220871267U (en) | 2024-04-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322637103.6U Active CN220871267U (en) | 2023-09-27 | 2023-09-27 | Calcination cooling continuous production drying calcination device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220871267U (en) |
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2023
- 2023-09-27 CN CN202322637103.6U patent/CN220871267U/en active Active
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