CN216080888U - Particle heat transfer drying machine for drying byproduct gypsum - Google Patents
Particle heat transfer drying machine for drying byproduct gypsum Download PDFInfo
- Publication number
- CN216080888U CN216080888U CN202122385509.0U CN202122385509U CN216080888U CN 216080888 U CN216080888 U CN 216080888U CN 202122385509 U CN202122385509 U CN 202122385509U CN 216080888 U CN216080888 U CN 216080888U
- Authority
- CN
- China
- Prior art keywords
- rotary drum
- heat transfer
- stirring
- mixing shaft
- materials
- 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.)
- Active
Links
Images
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
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Drying Of Solid Materials (AREA)
Abstract
The utility model relates to a particle heat transfer dryer for drying byproduct gypsum, which comprises a rotary drum and a stirring and mixing shaft, wherein the rotary drum and the stirring and mixing shaft are rotatably arranged, the rotation directions of the rotary drum and the stirring and mixing shaft are consistent, the stirring and mixing shaft axially extends into the rotary drum, a material pushing and stirring blade for pushing materials from a feeding end of the rotary drum to a discharging end of the rotary drum is arranged on the stirring and mixing shaft, a steam waste heat exchange device for heating the materials is arranged in the discharging end of the particle heat transfer dryer, and a feeding port of the particle heat transfer dryer is respectively communicated with a cold material feeding system and a calcining system. The rotary drum is arranged to provide a mixing space for cold materials and hot materials, the cold material particles and the hot material particles are fully mixed and exchange heat by utilizing the differential rotation of the rotary drum and the stirring mixing shaft and the stirring mixing action of the pushing stirring blades, and the temperature consistency of the mixed materials is ensured while the cold materials are heated.
Description
Technical Field
The utility model relates to the technical field of gypsum production equipment, in particular to a particle heat transfer dryer for drying by-product gypsum.
Background
Because the industrial by-product gypsum contains adsorbed water, in the process of producing building gypsum, drying equipment such as a hammer dryer, a single-pass or three-way dryer, a paddle dryer, a tube bundle dryer, a concentric circular tube array rotary dryer and the like is generally selected. Wherein, the hammer dryer and the single-pass or three-way dryer mostly adopt hot air as a heat source, materials and the hot air exchange heat directly, the investment of gas-solid separation equipment is high, the maintenance cost of the dust removal filter bag is high, and the power consumption is large; the paddle dryer, the tube bundle dryer and the concentric circular tube array rotary dryer mostly adopt steam or heat conducting oil as a heat source, materials and the heat source exchange heat indirectly, heat exchange parts are easy to corrode, steam leakage or oil leakage is caused, maintenance amount is large, and operation rate of equipment is low.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides the particle heat transfer drying machine for drying the byproduct gypsum, which preheats and dries the material calcined in the fluidized bed furnace and greatly improves the calcining efficiency.
The utility model is realized by the following technical scheme, and provides a particle heat transfer drying machine for drying byproduct gypsum, which comprises a rotary drum and a stirring and mixing shaft which are rotatably arranged, wherein the rotary drum and the stirring and mixing shaft are in consistent steering, the stirring and mixing shaft axially extends into the rotary drum, a material pushing and stirring blade for pushing materials from a feeding end of the rotary drum to a discharging end of the rotary drum is arranged on the stirring and mixing shaft, a steam waste heat exchange device for heating the materials is arranged in the discharging end of the particle heat transfer drying machine, and the feeding port of the particle heat transfer drying machine is respectively communicated with a cold material feeding system and a calcining system.
When the scheme is used, cold materials conveyed by a cold material feeding system and hot materials conveyed by a calcining system enter the rotary drum from a feed inlet of the particle heat transfer drying machine, the hot materials and the cold materials are fully mixed through the differential rotation of the stirring mixing shaft and the rotary drum, the heating of the hot materials on the cold materials is realized, the removal of gypsum adsorption water is completed, meanwhile, the materials are pushed forward by using the pushing stirring blades, when the materials pass through the discharge end of the particle heat transfer drying machine, the materials are further heated and dried through the steam waste heat exchange device, the material temperature is further increased, the conversion of semi-hydrated gypsum to dihydrate gypsum is also avoided, the temperature of condensate water discharged by the steam waste heat exchange device is reduced, and energy conservation is realized.
As optimization, still including fixed feeding case and the play workbin that sets up, feeding case, play workbin are located the both ends of revolving drum respectively, and offer respectively on feeding case and play workbin with the gyration hole of revolving drum adaptation, the import of cold and hot material has been seted up at the top of feeding case, the mixture export has been seted up to the bottom of play workbin, heat transfer device sets up in a play workbin. According to the optimized scheme, the feeding box and the discharging box are arranged, so that the arrangement of a feeding port and a discharging port of the particle heat transfer drying machine is facilitated, the feeding and the discharging under the condition of rotation of the rotary drum are realized, a cold and hot material inlet is a feeding port of the particle heat transfer drying machine, and a mixture outlet is a discharging port of the particle heat transfer drying machine; meanwhile, the steam waste heat exchange device is arranged in the discharge box, the material is dried, the corrosion to the heat exchange device is very small, the protection and maintenance are convenient, and the heating effect of the heat exchange device and the temperature of the material are improved through radiation, conduction and convection heat exchange between the material and the heat exchange device.
And as optimization, the top of the discharge box is provided with a dust and moisture collecting air port communicated with a dust removal system. According to the optimized scheme, the dust collection and moisture discharge air port communicated with the dust removal system is arranged, so that dust and moisture enter the dust removal system to be subjected to gas-solid separation, moisture discharge air at the temperature of about 90 ℃ can not only prevent the dust remover from dewing, but also reduce the temperature of the filter bag, and prolong the service life of the filter bag.
As optimization, a high level indicator and a low level indicator below the high level indicator are arranged on the side wall of the discharging box. The high material level indicator and the low material level indicator of the optimized scheme are respectively used for detecting the high material level and the low material level of the material in the material box, so that the excessive material or the material shortage is avoided, and the smooth production is ensured.
As optimization, the feeding box and the discharging box are fixedly arranged on the same chassis, and a first driving device for driving the rotary drum to rotate and a second driving device for driving the stirring and mixing shaft to rotate are arranged on the chassis; the first driving device comprises four supporting rollers which are distributed in a rectangular shape and are rotatably arranged on the chassis, and a first driving motor which drives the supporting rollers to rotate, and the four supporting rollers form support for the rotary drum; the second driving device comprises a second driving motor fixed on the chassis, the second driving motor is in transmission connection with one end of the stirring mixing shaft, and the other end of the stirring mixing shaft penetrates out of the discharging box along the axial direction and is connected with a support fixed on the chassis through a bearing with a seat. According to the optimized scheme, the chassis is arranged, so that the integrity of the dryer is improved, the whole movement and transportation are facilitated, the first driving device is driven by the friction of the rollers, and the rotary drum is supported and driven at the same time, so that the structure is simple; the rotary drum and the stirring mixing shaft are respectively connected with different driving motors, so that the rotary drum and the stirring mixing shaft can rotate at different speeds.
Preferably, the steam waste heat exchange device comprises a condensate pipe fixedly arranged in the discharge box. The steam waste heat exchange device is arranged as the condensate pipe in the optimized scheme, so that the steam waste heat exchange device is convenient to manufacture and is also convenient to communicate with a condensate water discharge pipe of a calcining system so as to further utilize the heat of the condensate water.
The utility model has the beneficial effects that: the rotary drum through setting up provides the mixing space for cold material and hot material to utilize the differential rotation of rotary drum and stirring mixing shaft, and push away material stirring vane's stirring mixing action, realized cold material granule and hot material granule's direct heat transfer, intensive mixing, when heating cold material, improved material mobility, guaranteed the uniformity of material temperature after mixing, stopped traditional heat exchanger corruption gas leakage or oil leak.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1;
shown in the figure:
1. the device comprises a rotary cylinder, 2, a stirring mixing shaft, 3, a cold and hot material inlet, 4, a feeding box, 5, a second driving motor, 6, a chassis, 7, a first driving motor, 8, a supporting roller, 9, a mixture outlet, 10, a condensate pipe, 11, a dust and moisture collecting and discharging air port, 12, a discharging box, 13, an inlet of the condensate pipe, 14, a high material level meter, 15, an outlet of the condensate pipe, 16, a low material level meter, 17 and a material pushing and stirring blade.
Detailed Description
In order to clearly illustrate the technical features of the present solution, the present solution is explained below by way of specific embodiments.
As shown in figure 1, the particle heat transfer drying machine for drying the byproduct gypsum comprises a rotary drum 1 and a stirring mixing shaft 2 which are arranged in a rotating mode, the rotary drum and the stirring mixing shaft are consistent in turning direction and adjustable in speed respectively, the stirring mixing shaft extends into the rotary drum along the axial direction, a material pushing stirring blade 17 which pushes materials to the discharge end of the rotary drum from the feed end of the rotary drum is arranged on the stirring mixing shaft, and a steam waste heat exchange device which heats the materials is arranged inside the discharge end of the particle heat transfer drying machine.
The granule heat transfer drying-machine of this embodiment still includes fixed feeding case 4 and the play workbin 12 that sets up, and feeding case, play workbin are located the both ends of revolving drum respectively, and set up respectively on feeding case and play workbin with the gyration hole of revolving drum adaptation, the top of feeding case is equipped with cold and hot material import 3, the bottom of play workbin is equipped with mixture export 9, steam waste heat transfer device sets up at a play workbin.
The feeding box and the discharging box are fixedly arranged on the same chassis 6, and a first driving device for driving the rotary drum to rotate and a second driving device for driving the stirring and mixing shaft to rotate are arranged on the chassis; the first driving device comprises four supporting rollers 8 which are distributed in a rectangular shape and are rotatably arranged on the chassis, and a first driving motor 7 which drives the supporting rollers to rotate, and the four supporting rollers support the rotary drum; the second driving device comprises a second driving motor 5 fixed on the chassis, the second driving motor is in transmission connection with one end of the stirring mixing shaft 2, and the other end of the stirring mixing shaft 2 penetrates out of the discharge box along the axial direction and is connected with a support fixed on the chassis through a bearing with a seat.
The top of the discharge box is provided with a dust collecting and moisture exhausting air port 11 communicated with a dust removing system, the power for moisture exhausting comes from a draught fan of the dust removing system, moisture and dust enter the dust removing system, the environment pollution is avoided, and the moisture exhausting air can not only meet the requirement that a dust remover does not dewfall, but also reduce the temperature of a filter bag and prolong the service life of the filter bag.
Install high charge level indicator 14 and the low charge level indicator 16 that is located high charge level indicator below on the lateral wall of play workbin for detect out the high, low material level of material in the workbin, avoid appearing the material too much or lack the material, guarantee that production goes on smoothly.
The steam waste heat exchange device comprises a condensate pipe 10 fixedly arranged in the discharge box, an inlet 13 of the condensate pipe is connected with a steam discharge end of the calcining system, and an outlet 15 of the condensate pipe is connected with a water collecting tank of the steam supply system.
During the use, the cold material that is carried by cold charge-in system and the hot material that is carried by calcining the system all gets into in the revolving drum from cold hot material import 3, through stirring the differential rotation of mixing shaft and revolving drum, to making hot material and cold material intensive mixing, realized the heating of hot material to cold material, utilize simultaneously to push away material stirring vane and promote the material forward, when the material passes through the discharge end of granule heat transfer drying-machine, further heat the stoving through steam waste heat transfer device to the material, further improve the material temperature, accomplish the desorption to the gypsum adsorption water, also avoided the conversion of hemihydrate gypsum to dihydrate gypsum, reduced the temperature of steam waste heat transfer device external row of condensate water, realize energy-conservation.
Of course, the above description is not limited to the above examples, and the undescribed technical features of the present invention can be implemented by or using the prior art, and will not be described herein again; the above embodiments and drawings are only for illustrating the technical solutions of the present invention and not for limiting the present invention, and the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that changes, modifications, additions or substitutions within the spirit and scope of the present invention may be made by those skilled in the art without departing from the spirit of the present invention, and shall also fall within the scope of the claims of the present invention.
Claims (6)
1. The utility model provides a granule heat transfer drying-machine for byproduct gypsum is dried which characterized in that: including rotary drum (1) and stirring mixing shaft (2) that rotate the setting, rotary drum and stirring mixing shaft turn to unanimously, in the stirring mixing shaft extended to the rotary drum along the axial, and install on the stirring mixing shaft and push away material stirring vane (17) of material to the rotary drum discharge end by the feed end of rotary drum, the inside steam waste heat transfer device who heats the material that is equipped with of discharge end of granule heat transfer drying-machine.
2. The heat transfer particle dryer of claim 1, wherein: the feeding box and the discharging box are respectively located at two ends of the rotary drum and are respectively provided with rotary holes matched with the rotary drum, the top of the feeding box is provided with a cold and hot material inlet (3), the bottom of the discharging box is provided with a mixture outlet (9), and the steam waste heat exchange device is arranged in the discharging box.
3. The heat transfer particle dryer of claim 2, wherein: the top of the discharge box is provided with a dust-collecting and moisture-exhausting air port (11) communicated with a dust-removing system.
4. The heat transfer particle dryer of claim 2, wherein: the side wall of the discharging box is provided with a high level indicator (14) and a low level indicator (16) positioned below the high level indicator.
5. The heat transfer particle dryer of claim 2, wherein: the feeding box and the discharging box are fixedly arranged on the same chassis (6), and a first driving device for driving the rotary drum to rotate and a second driving device for driving the stirring mixing shaft to rotate are arranged on the chassis; the first driving device comprises four supporting rollers (8) which are distributed in a rectangular shape and are rotatably arranged on the chassis, and a first driving motor (7) for driving the supporting rollers to rotate, wherein the four supporting rollers support the rotary drum; the second driving device comprises a second driving motor (5) fixed on the chassis, the second driving motor is in transmission connection with one end of the stirring mixing shaft (2), and the other end of the stirring mixing shaft (2) penetrates out of the discharging box along the axial direction and is connected with a support fixed on the chassis through a bearing with a seat.
6. The heat transfer particle dryer of claim 1, wherein: the steam waste heat exchange device comprises a condensate pipe (10) fixedly arranged in the discharge box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122385509.0U CN216080888U (en) | 2021-09-30 | 2021-09-30 | Particle heat transfer drying machine for drying byproduct gypsum |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122385509.0U CN216080888U (en) | 2021-09-30 | 2021-09-30 | Particle heat transfer drying machine for drying byproduct gypsum |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216080888U true CN216080888U (en) | 2022-03-18 |
Family
ID=80636937
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122385509.0U Active CN216080888U (en) | 2021-09-30 | 2021-09-30 | Particle heat transfer drying machine for drying byproduct gypsum |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216080888U (en) |
-
2021
- 2021-09-30 CN CN202122385509.0U patent/CN216080888U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101549945B (en) | Set treatment device of sludge drying | |
| CN103964671B (en) | A kind of mud drying device and utilize the method for this device dewatered sludge | |
| CN106382790A (en) | Brown coal drying method and device utilizing waste heat of smoke and steam of power plant | |
| CN101377379A (en) | Coal ash drying device | |
| CN110671907A (en) | MVR vacuum tube bundle drying system with waste steam conversion device | |
| CN207662112U (en) | A kind of intelligence reinforces the drier frame of drying efficiency | |
| CN207713619U (en) | A kind of three-stage sludge drier | |
| CN216080888U (en) | Particle heat transfer drying machine for drying byproduct gypsum | |
| CN113880470A (en) | Novel process and equipment for producing building gypsum | |
| CN203550445U (en) | Drum-type drying device | |
| CN104266473A (en) | Overturning type drum dryer | |
| CN216687872U (en) | Gaseous direct contact mud stagnates empty drying device | |
| CN216668175U (en) | Rotary drying device | |
| CN213348913U (en) | Active carbon recovery device | |
| CN216080881U (en) | Forced drainage high-efficiency heating dryer | |
| CN214244169U (en) | Sludge preheating and drying device | |
| CN206207925U (en) | A kind of industrial sludge equipment for drying | |
| CN212133052U (en) | Even type heating and drying system of high-efficient fertilizer | |
| CN210128576U (en) | Rotary cylinder dryer | |
| CN208901835U (en) | Three-pass rotary drum drying equipment | |
| CN206019266U (en) | A kind of dryer of multistep treatment | |
| CN2238407Y (en) | Double heating revolving drum drier | |
| CN208653251U (en) | A kind of shell and tube drying oven dry for foam coal | |
| CN207439108U (en) | A kind of drying device suitable for different water capacity bulk biomass | |
| CN206970556U (en) | The system for handling biomass |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |