CN115451685A - Material drying system - Google Patents
Material drying system Download PDFInfo
- Publication number
- CN115451685A CN115451685A CN202211059151.5A CN202211059151A CN115451685A CN 115451685 A CN115451685 A CN 115451685A CN 202211059151 A CN202211059151 A CN 202211059151A CN 115451685 A CN115451685 A CN 115451685A
- Authority
- CN
- China
- Prior art keywords
- dryer
- drying system
- belt conveyor
- material drying
- port
- 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.)
- Pending
Links
- 239000000463 material Substances 0.000 title claims abstract description 142
- 238000001035 drying Methods 0.000 title claims abstract description 38
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 38
- 239000000428 dust Substances 0.000 claims description 37
- 229910052602 gypsum Inorganic materials 0.000 claims description 32
- 239000010440 gypsum Substances 0.000 claims description 32
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 18
- 239000012535 impurity Substances 0.000 claims description 18
- 229910052742 iron Inorganic materials 0.000 claims description 9
- 238000011144 upstream manufacturing Methods 0.000 claims description 8
- 238000004064 recycling Methods 0.000 claims description 4
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 claims description 2
- 238000004891 communication Methods 0.000 claims description 2
- 239000000356 contaminant Substances 0.000 claims 3
- 230000006378 damage Effects 0.000 abstract description 6
- 238000006477 desulfuration reaction Methods 0.000 description 13
- 230000023556 desulfurization Effects 0.000 description 13
- 239000002994 raw material Substances 0.000 description 7
- 239000000843 powder Substances 0.000 description 5
- 238000007599 discharging Methods 0.000 description 4
- 238000011084 recovery Methods 0.000 description 4
- 238000001704 evaporation Methods 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 230000001172 regenerating effect Effects 0.000 description 3
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010409 ironing Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000011241 protective layer Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B17/00—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement
- F26B17/02—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by belts carrying the materials; with movement performed by belts or elements attached to endless belts or chains propelling the materials over stationary surfaces
- F26B17/08—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by belts carrying the materials; with movement performed by belts or elements attached to endless belts or chains propelling the materials over stationary surfaces the belts being arranged in a sinuous or zig-zag path
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/06—Controlling, e.g. regulating, parameters of gas supply
- F26B21/10—Temperature; Pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/02—Applications of driving mechanisms, not covered by another subclass
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Drying Of Solid Materials (AREA)
Abstract
A material drying system is disclosed herein. The material drying system comprises a feeding device, a dryer and a first conveying device, wherein the feeding device conveys materials to the dryer, and the materials dried by the dryer are conveyed to the first conveying device; the first conveying device is provided with a first discharge hole and a second discharge hole, part of materials return to the dryer through the first discharge hole, and the other part of materials are discharged through the second discharge hole. The material drying system is efficient and energy-saving, effectively reduces the damage of materials to the dryer and other equipment, and prolongs the service life of the equipment.
Description
Technical Field
The application relates to but is not limited to material drying processing technology, especially a material drying system.
Background
In the current desulfurization gypsum drying process, because of the desulfurization gypsum quality problems (high water content, corrosiveness and the like), damage can be caused to drying equipment, and the service lives of the drying equipment and subsequent equipment are influenced.
Disclosure of Invention
The embodiment of the application provides a material drying system, and is high-efficient energy-conserving, effectively reduces the material to the harm of drying-machine and other equipment, improve equipment's life.
The embodiment of the application provides a material drying system, which comprises a feeding device, a dryer and a first conveying device, wherein the feeding device conveys materials to the dryer, and the materials dried by the dryer are conveyed to the first conveying device;
the first conveying device is provided with a first discharge hole and a second discharge hole, partial materials return to the dryer through the first discharge hole, and the other partial materials are discharged through the second discharge hole.
Further, the dryer is provided with a feed inlet matched with the feeding device and a feed back port communicated with the first discharge port;
and in the conveying direction of the materials in the dryer, the feed back port is positioned at the upstream of the feed inlet.
Further, the material drying system also comprises a dust collecting device, and the dryer is also provided with a dust collecting port;
an inlet of the dust collecting device is communicated with a dust collecting port of the dryer, and a material recycling port of the dust collecting device is communicated to the first conveying device.
Further, in the conveying direction of materials in the dryer, the feed inlet is positioned at the upstream of the dust collecting port.
Further, the material drying system further comprises a material lifting device, the first discharge port is communicated with the feed end of the material lifting device, and the discharge end of the material lifting device is communicated with the feed back port.
Furthermore, a heat exchange medium circulation pipeline is further arranged in the dryer, and the flowing direction of the heat exchange medium in the dryer is opposite to the conveying direction of the materials in the dryer.
Further, the heat exchange medium in the heat exchange medium circulation pipeline is high-temperature condensate water formed after steam is condensed.
Furthermore, the dryer is also provided with an air inlet, and an air inlet pipeline is arranged at the air inlet;
and a discharge pipeline is arranged at the outlet of the heat exchange medium circulation pipeline, and a heat exchanger communicated with the air inlet pipeline is arranged on the discharge pipeline so as to improve the temperature of the gas in the air inlet pipeline.
Further, the feeding device comprises a conveying device and an impurity removing device, the impurity removing device is arranged to remove impurities in materials on the conveying device, and an outlet of the conveying device is communicated with the dryer.
Further, the conveying equipment comprises a belt scale, a first belt conveyor and a second belt conveyor, the tail end of the belt scale is matched with the front end of the first belt conveyor, the tail end of the first belt conveyor is matched with the front end of the second belt conveyor, and the tail end of the second belt conveyor is communicated to the dryer.
Further, impurity removal equipment includes de-ironing separator and roller screen, the de-ironing separator is located the iron impurity in the material sets up to getting rid of in the first band conveyer top, the roller screen is located first band conveyer with between the second band conveyer, set up to getting rid of in the material bold impurity.
Further, the material is desulfurized gypsum.
Compared with some technologies, the method has the following beneficial effects:
the embodiment of the application provides a material drying system is provided with the first discharge gate that is used for the feed back on a conveyor, makes during partial material gets into the drying-machine again, and then makes the material that water content reduces, has been dried mix with the material that water content is higher, new material that advances, and then directly reduces the water content of material to reduce the loss to the drying-machine. And the dried materials enter the dryer again, and a protective layer is formed on the inner wall of the dryer to isolate the newly-fed materials, so that the dryer equipment is better protected, and the service lives of the dryer and other equipment are prolonged.
Other features and advantages of the present application will be set forth in the description that follows.
Drawings
The accompanying drawings are included to provide a further understanding of the claimed subject matter and are incorporated in and constitute a part of this specification, illustrate embodiments of the subject matter and together with the description serve to explain the principles of the subject matter and not to limit the subject matter.
Fig. 1 is a schematic structural diagram of a material drying system according to an embodiment of the present application;
fig. 2 is an enlarged view of a structure of the dryer of fig. 1.
Illustration of the drawings:
1-a feeding device, 2-a dryer, 21-a feeding hole, 22-a return hole, 23-a dust collecting hole, 24-an air inlet, 25-an air inlet pipeline, 26-a discharge pipeline, 27-a heat exchanger, 28-a regenerative fan, 29-a louver valve, 3-a first conveying device, 31-a first discharging hole, 32-a second discharging hole, 33-a first star-shaped discharger, 4-a dust collecting device, 41-a dust collecting fan, 42-a second star-shaped discharger, 5-a material lifting device, 61-a desulfurized gypsum hopper, 62-a belt scale, 63-a first belt conveyor, 64-a second belt conveyor, 65-an air locking discharger, 71-an iron remover and 72-a roller screen.
Detailed Description
To make the objects, technical solutions and advantages of the present application more apparent, embodiments of the present application will be described in detail below with reference to the accompanying drawings. It should be noted that the embodiments and features of the embodiments in the present application may be arbitrarily combined with each other without conflict.
With the increase of environmental protection requirements, the emission requirements on production equipment are also more and more strict. Steam is increasingly widely used as a clean energy source. However, steam processes tend to utilize their latent heat with less utilization of sensible heat. A large amount of high-temperature condensate water is generated after steam condensation, the partial heat is not fully utilized, energy is wasted, meanwhile, the high-temperature condensate water is subjected to flash evaporation in a low-pressure area, a water hammer is easily caused, certain potential safety hazards exist, and transmission is not facilitated.
The material drying system that this application embodiment provided has not only utilized the heat of a large amount of high temperature comdenstion water that produce behind the steam condensation, has solved the extravagant problem of the energy, still becomes the low temperature comdenstion water with the high temperature comdenstion water, has solved the difficult problem of transmitting of high temperature comdenstion water.
The embodiment of the application provides a material drying system, as shown in fig. 1 and fig. 2, the material drying system comprises a feeding device 1, a dryer 2 and a first conveying device 3, wherein the feeding device 1 conveys materials to the dryer 2, and the materials dried by the dryer 2 are conveyed to the first conveying device 3; the first conveyor 3 is provided with a first discharge port 31 and a second discharge port 32, and a part of the material is returned to the dryer 2 through the first discharge port 31, and the other part of the material is discharged through the second discharge port 32. The first conveyor 3 may be a screw conveyor.
In the material drying system, the first conveying device 3 is provided with the first discharge hole 31 for returning materials, in other words, the materials enter the first conveying device 3 after the dryer 2 is dried, and a part of the materials in the first conveying device 3 returns to the dryer 2 again through the first discharge hole 31, so as to improve the drying process in the dryer 2 and reduce the damage of the materials to the dryer 2. Specifically, partial dried materials enter the dryer 2 again, so that the materials with reduced water content and dried are mixed with the materials with higher water content and newly fed materials, and the water content of the materials is directly reduced, so that the loss of the dryer 2 is reduced. In addition, the dried material enters the dryer 2 again, a protective layer is formed on the inner wall of the dryer 2 to isolate the newly-fed material, so that the dryer 2 equipment is better protected, and the service lives of the dryer 2 and other equipment are prolonged.
Another part of the material in the first conveying device 3 is discharged through the second discharge port 32, and continues to enter subsequent conveying or processing equipment, such as: into a subsequent mixer.
In an exemplary embodiment, as shown in fig. 1 and 2, the dryer 2 is provided with a feed opening 21 engaged with the feeding device 1, and a feed back opening 22 communicated with the first discharge opening 31; and the feed back port 22 is located upstream of the feed port 21 in the conveying direction of the material in the dryer 2.
The dryer 2 is provided with a feed inlet 21 for the introduction of new material (material with a higher water content) and a feed back 22 for the introduction of dried material (material with a lower water content in the first conveyor 3). In addition, in the conveying direction of the material in the dryer 2, the feed back port 22 is located at the upstream of the feed port 21, that is, the material entering the dryer 2 through the feed back port 22 passes through the feed port 21, so that the dried material wraps the new material, thereby reducing the damage of the new material to the dryer 2.
In an exemplary embodiment, as shown in fig. 1, the material drying system further includes a dust collecting device 4, and the dryer 2 is further provided with a dust collecting port 23; an inlet of the dust collecting device 4 is communicated with a dust collecting port 23 of the dryer 2, and a material recycling port of the dust collecting device 4 is communicated to the first conveying device 3.
The dust collecting device 4 is used for collecting dust and discharging water vapor in the dryer 2, and intercepting materials for recycling. The dust collecting apparatus 4 may be a bag type dust collector.
The mixture of the materials and the water vapor in the dryer 2 enters the dust collecting device 4 through the dust collecting port 23, and after the mixture is treated by the dust collecting device 4, the recovered materials enter the first conveying device 3 through the material recovery port to be conveyed continuously.
A dust collecting fan 41 is further arranged on an air outlet pipeline of the dust collecting device 4, and the dust collecting fan 41 is used for providing power for dust collecting air.
A second star-shaped discharger 42 is further arranged at the material recovery port of the dust collecting device 4, and the second star-shaped discharger 42 is used for sealing and discharging powder in the bag type dust collector.
In an exemplary embodiment, as shown in fig. 1 and 2, feed port 21 is located upstream of dust collection port 23 in the conveying direction of the material in dryer 2.
The dust collecting port 23 is provided near the feed port 21 and downstream of the feed port 21 to better absorb moisture generated at the feed port 21.
In an exemplary embodiment, as shown in fig. 1 and 2, the material drying system further includes a material lifting device 5, the first discharge port 31 is communicated with a feeding end of the material lifting device 5, and a discharge end of the material lifting device 5 is communicated with the material return port 22.
The material lifting device 5 may be a bucket elevator.
The material lifting device 5 conveys part of the feed back of the first conveyor 3 into the dryer 2 to improve the drying process in the dryer 2.
In an exemplary embodiment, a circulation pipeline of a heat exchange medium is further provided in the dryer 2, and the flow direction of the heat exchange medium in the dryer 2 is opposite to the conveying direction of the materials in the dryer 2.
The flow direction of the heat exchange medium is opposite to the advancing mode of the material so as to carry out countercurrent heat exchange and improve the heat exchange effect.
In an exemplary embodiment, the heat exchange medium in the heat exchange medium circulation pipeline is high-temperature condensed water formed after steam is condensed.
The temperature of the high-temperature condensed water introduced into the dryer 2 may be 120 to 150 ℃.
The dryer 2 uses the high-temperature condensed water as a heat source to dry the desulfurized gypsum raw material (namely, the material), so that the temperature of the material is increased, and partial moisture is evaporated, thereby reducing the subsequent calcination load and saving energy. Meanwhile, the temperature of the condensed water is reduced, the safe and stable conveying of the condensed water is ensured, and the problems of flash evaporation, water hammer and the like of the high-temperature condensed water in the conveying process are solved.
In an exemplary embodiment, as shown in fig. 1 and fig. 2, the dryer 2 is further provided with an air inlet 24, and an air inlet pipeline 25 is arranged at the air inlet 24; a discharge pipeline 26 is arranged at the outlet of the heat exchange medium circulation pipeline, and a heat exchanger 27 communicated with the air inlet pipeline 25 is arranged on the discharge pipeline 26 so as to increase the temperature of the gas in the air inlet pipeline 25.
After the high-temperature condensed water exchanges heat with the materials in the dryer 2, the temperature can still reach about 90 ℃ after being reduced, and the air in the air inlet pipeline 25 is heated by utilizing the waste heat of the condensed water so as to improve the temperature of the preheated air introduced into the dryer 2. Moreover, the heat exchanger 27 herein can further reduce the temperature of the condensed water to facilitate the transportation of the condensed water.
In other words, the heat exchanger 27 may be used to preheat the return air and further reduce the condensate temperature.
In the upstream section of the air supply line 25 in the heat exchanger 27, a regenerative fan 28 and a louver valve 29 are also provided. The heat recovery fan 28 is used for providing heat recovery air; the louver valve 29 is used for controlling the regenerative air volume.
In an exemplary embodiment, as shown in fig. 1, the feeding device 1 comprises a conveying apparatus and a foreign material removing apparatus, the foreign material removing apparatus being configured to remove foreign materials from materials on the conveying apparatus, an outlet of the conveying apparatus being in communication with the dryer 2.
Conveying equipment is arranged in carrying the material to drying-machine 2, and impurity removal equipment is arranged in getting rid of the bulk impurity or the impurity of other forms in the material to protection drying-machine and follow-up equipment improve the material quality.
In an exemplary embodiment, as shown in fig. 1, the conveying apparatus includes a belt scale 62, a first belt conveyor 63, and a second belt conveyor 64, a tip of the belt scale 62 is engaged with a front end of the first belt conveyor 63, a tip of the first belt conveyor 63 is engaged with a front end of the second belt conveyor 64, and a tip of the second belt conveyor 64 is communicated to the dryer 2.
The belt weigher 62 can be used for not only conveying materials, but also weighing and metering the materials, and accurately metering the feeding amount of the desulfurized gypsum so as to accurately control the material amount. The first belt conveyor 63 and the second belt conveyor 64 are provided in this order to convey the material.
The conveying equipment can also comprise a desulfurized gypsum hopper 61, and the desulfurized gypsum hopper 61 is used for storing desulfurized gypsum and providing raw materials (materials) for the system; the desulfurized gypsum is transported by the desulfurized gypsum hopper 61 to the belt scale 62.
The tail end of the second belt conveyor 64 is also provided with an air locking discharger 65, and the air locking discharger 65 is used for feeding and ensuring that the desulfurized gypsum dryer 2 is closed.
The first belt conveyor 63 and the second belt conveyor 64 may be frequency-variable adjustable to precisely control the amount of material charged in synchronization with the belt scale 62.
In an exemplary embodiment, as shown in fig. 1, the impurity removing apparatus includes an iron remover 71 and a roller screen 72, the iron remover 71 being positioned above the first belt conveyor 63 and configured to remove ferrous impurities from the material, and the roller screen 72 being positioned between the first belt conveyor 63 and the second belt conveyor 64 and configured to remove bulk impurities from the material.
The iron remover 71 is mainly used for removing iron impurities in the materials, and the roller screen 72 can remove large impurities in the materials.
In the conveying direction of the material, the iron remover 71 is positioned in front of the roller shaft screen to remove iron impurities in the material first and avoid damage to subsequent equipment.
In an exemplary embodiment, the material is desulfurized gypsum.
The desulfurized gypsum is used as a material for subsequent production of gypsum products such as gypsum boards and the like.
The material drying system provided by the embodiment of the application adopts the technical scheme that the dried powder is partially fed back to the desulfurization gypsum dryer, and in the desulfurization gypsum dryer, the fed back dry gypsum powder is added firstly, and then the wet desulfurization gypsum raw material is added; the dry gypsum powder added firstly avoids the direct contact of the wet desulfurization gypsum-containing raw material and equipment, and the free water content in the recycled dry gypsum powder is very low, so that the equipment is hardly chemically corroded; meanwhile, because the temperature of the feed back is higher, the wet desulfurization gypsum raw material is heated in a desulfurization gypsum dryer and is stirred and mixed with the wet desulfurization gypsum raw material, so that the drying of the desulfurization gypsum raw material is accelerated; meanwhile, the dust collecting port of the desulfurized gypsum dryer is arranged on the high-humidity side of the feeding port, so that generated water vapor can be discharged in time, high-humidity gas is prevented from penetrating through the dryer, and equipment corrosion is reduced. The air after the backheating fan blows in the preheating is not only further reduced the temperature of the condensed water, fully utilized the heat, reduced the humidity of the upper atmosphere of the dryer simultaneously, reduced the corrosion of the dryer and the follow-up dust collecting equipment. The temperature of the high-temperature condensed water is further reduced after passing through the desulfurization gypsum dryer and the heat exchanger, the heat is fully utilized, and meanwhile, due to the fact that the temperature of the condensed water is reduced, flash evaporation is avoided, and potential safety hazards are effectively avoided. In the desulfurization gypsum drying-machine, material and comdenstion water adopt countercurrent flow heat transfer, improve heat transfer intensity. In the heat exchanger, the preheated air and the condensed water adopt countercurrent heat exchange, so that the heat exchange strength is improved.
In the description of the present application, it is to be noted that the directions or positional relationships indicated by "upper", "lower", "one end", "one side", and the like are based on the directions or positional relationships shown in the drawings, and are only for convenience of describing the present application and simplifying the description, and do not indicate or imply that the structures referred to have a specific direction, are configured and operated in a specific direction, and thus, cannot be construed as limiting the present application.
In the description of the embodiments of the present application, unless expressly stated or limited otherwise, the terms "connected," "mounted," and "mounted" are to be construed broadly, such that the terms "connected" and "connected" may be either fixedly, detachably, or integrally connected, for example; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
The embodiments described herein are exemplary rather than limiting and it will be apparent to those of ordinary skill in the art that many more embodiments and implementations are possible within the scope of the embodiments described herein. Although many possible combinations of features are shown in the drawings and discussed in the detailed description, many other combinations of the disclosed features are possible. Any feature or element of any embodiment may be used in combination with, or instead of, any other feature or element in any other embodiment, unless expressly limited otherwise.
The present application includes and contemplates combinations of features and elements known to those of ordinary skill in the art. The embodiments, features and elements disclosed herein may also be combined with any conventional features or elements to form a unique solution as defined by the claims. Any feature or element of any embodiment may also be combined with features or elements from other aspects to form another unique aspect as defined by the claims. Thus, it should be understood that any of the features shown and/or discussed in this application may be implemented individually or in any suitable combination. Accordingly, the embodiments are not limited except as by the appended claims and their equivalents. Furthermore, various modifications and changes may be made within the scope of the appended claims.
Claims (12)
1. A material drying system is characterized by comprising a feeding device, a dryer and a first conveying device, wherein the feeding device conveys materials to the dryer, and the materials dried by the dryer are conveyed to the first conveying device;
the first conveying device is provided with a first discharge hole and a second discharge hole, part of materials return to the dryer through the first discharge hole, and the other part of materials are discharged through the second discharge hole.
2. The material drying system of claim 1, wherein the dryer is provided with a feed inlet cooperating with the feeding device, and a feed back port communicating with the first discharge port;
and in the conveying direction of the materials in the dryer, the feed back port is positioned at the upstream of the feed inlet.
3. The material drying system of claim 2, further comprising a dust collecting device, wherein the dryer is further provided with a dust collecting port;
an inlet of the dust collecting device is communicated with a dust collecting port of the dryer, and a material recycling port of the dust collecting device is communicated to the first conveying device.
4. The material drying system of claim 3, wherein said feed inlet is located upstream of said dust collection port in a direction of transport of material within said dryer.
5. The material drying system of claim 2, further comprising a material lifting device, wherein the first discharge port is communicated with a feed end of the material lifting device, and a discharge end of the material lifting device is communicated with the feed back port.
6. The material drying system of claim 1, wherein a heat exchange medium circulation pipeline is further disposed in the dryer, and a flow direction of the heat exchange medium in the dryer is opposite to a conveying direction of the material in the dryer.
7. The material drying system of claim 6, wherein the heat exchange medium in the heat exchange medium circulation pipeline is high-temperature condensed water formed by condensing steam.
8. The material drying system of claim 6, wherein the dryer is further provided with an air inlet, and an air inlet pipeline is arranged at the air inlet;
and a discharge pipeline is arranged at the outlet of the heat exchange medium circulation pipeline, and a heat exchanger communicated with the air inlet pipeline is arranged on the discharge pipeline so as to improve the temperature of the gas in the air inlet pipeline.
9. The material drying system of any one of claims 1 to 8, wherein the feeding arrangement includes a conveying apparatus and a contaminant removal apparatus, the contaminant removal apparatus being arranged to remove contaminants from material on the conveying apparatus, the outlet of the conveying apparatus being in communication with the dryer.
10. The material drying system of claim 9, wherein the conveyor apparatus comprises a belt scale, a first belt conveyor, and a second belt conveyor, wherein a distal end of the belt scale is engaged with a front end of the first belt conveyor, a distal end of the first belt conveyor is engaged with a front end of the second belt conveyor, and a distal end of the second belt conveyor is connected to the dryer.
11. The material drying system of claim 10, wherein the impurity removal device includes an iron remover positioned above the first belt conveyor and configured to remove ferrous impurities from the material, and a roller screen positioned between the first belt conveyor and the second belt conveyor and configured to remove bulk impurities from the material.
12. The material drying system of any one of claims 1 to 8, wherein the material is desulfurized gypsum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211059151.5A CN115451685A (en) | 2022-08-31 | 2022-08-31 | Material drying system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211059151.5A CN115451685A (en) | 2022-08-31 | 2022-08-31 | Material drying system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115451685A true CN115451685A (en) | 2022-12-09 |
Family
ID=84301727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211059151.5A Pending CN115451685A (en) | 2022-08-31 | 2022-08-31 | Material drying system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115451685A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201795667U (en) * | 2010-04-29 | 2011-04-13 | 陕西科技大学 | Novel energy-saving pomace drying device |
| CN201828120U (en) * | 2010-10-19 | 2011-05-11 | 上海航星机械(集团)有限公司 | Dryer utilizing residual heat of condensed water |
| CN110608601A (en) * | 2018-06-14 | 2019-12-24 | 江苏搏斯威化工设备工程有限公司 | Material returning structure of hollow blade dryer |
| CN210569520U (en) * | 2019-07-12 | 2020-05-19 | 丰益(佳木斯)食品工业有限公司 | Bean dregs drying system |
| CN211967927U (en) * | 2020-01-20 | 2020-11-20 | 中建材创新科技研究院有限公司 | Gypsum feed back device |
| CN113149487A (en) * | 2021-03-25 | 2021-07-23 | 中建材创新科技研究院有限公司 | Gypsum calcining device and calcining system |
| CN113880470A (en) * | 2021-09-30 | 2022-01-04 | 泰安路发节能环保设备有限公司 | Novel process and equipment for producing building gypsum |
| CN215749940U (en) * | 2021-08-01 | 2022-02-08 | 河南堂景砖雕科技有限公司 | Mortar mixing arrangement with feed back function |
-
2022
- 2022-08-31 CN CN202211059151.5A patent/CN115451685A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201795667U (en) * | 2010-04-29 | 2011-04-13 | 陕西科技大学 | Novel energy-saving pomace drying device |
| CN201828120U (en) * | 2010-10-19 | 2011-05-11 | 上海航星机械(集团)有限公司 | Dryer utilizing residual heat of condensed water |
| CN110608601A (en) * | 2018-06-14 | 2019-12-24 | 江苏搏斯威化工设备工程有限公司 | Material returning structure of hollow blade dryer |
| CN210569520U (en) * | 2019-07-12 | 2020-05-19 | 丰益(佳木斯)食品工业有限公司 | Bean dregs drying system |
| CN211967927U (en) * | 2020-01-20 | 2020-11-20 | 中建材创新科技研究院有限公司 | Gypsum feed back device |
| CN113149487A (en) * | 2021-03-25 | 2021-07-23 | 中建材创新科技研究院有限公司 | Gypsum calcining device and calcining system |
| CN215749940U (en) * | 2021-08-01 | 2022-02-08 | 河南堂景砖雕科技有限公司 | Mortar mixing arrangement with feed back function |
| CN113880470A (en) * | 2021-09-30 | 2022-01-04 | 泰安路发节能环保设备有限公司 | Novel process and equipment for producing building gypsum |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101607551B1 (en) | Low temperature sludge drying apparatus using ultrahighe speed air current | |
| JPH04227463A (en) | Method of drying substance by drum type drier discharging no deleterious material | |
| CN105466196A (en) | Double-effect vacuum tube bundle drying system | |
| CN109489345B (en) | Air flow drying system for distillers' grains protein feed production | |
| CN105402999B (en) | Function of mechanical steam recompression formula vacuum restrains drying system | |
| KR20200100196A (en) | Sludge treatment method and cement manufacturing system | |
| JP2017006824A5 (en) | ||
| CN112279536B (en) | Production process of industrial byproduct gypsum | |
| CN115451685A (en) | Material drying system | |
| JP2019081174A (en) | Treatment apparatus and process for organic waste | |
| CN1016538B (en) | Energy saving two-stage drying technology process | |
| CN112830696A (en) | Process for preparing gypsum cementing material from industrial by-product gypsum | |
| CN108178534B (en) | Safe and environment-friendly treatment system and process for carbide slag in cement production and storage | |
| CN105466171A (en) | Vacuum tube bundle drying system with waste heat for pneumatic drying | |
| CN113149486B (en) | Gypsum calcining method | |
| CN210752073U (en) | Cement kiln tail flue gas desulfurization device | |
| CN105541141A (en) | A device and a method for preparing cement from dry and wet calcium carbide slag | |
| CN113149487B (en) | Gypsum calcining device and calcining system | |
| CN205316819U (en) | Machinery vapor recompression formula vacuum tube bank drying system | |
| CN206127157U (en) | Energy -conserving compound fertilizer production line | |
| TWI279511B (en) | Fluidized bed dryer and method for drying wet raw material using fluidized bed dryer | |
| CN207779045U (en) | Use in waste water treatment sludge drying mechanism in a kind of fur manufacturing | |
| CN207330764U (en) | A kind of calcium carbide slag disposal system | |
| CN111410354A (en) | Recycling system of desulfurization and denitrification waste liquid and method for treating desulfurization and denitrification waste liquid | |
| CN217483103U (en) | Multistage waste heat recovery and utilization system of steam drying equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |