CN107782115B - Closed high-temperature and low-temperature filter cake dehumidifying dryer - Google Patents
Closed high-temperature and low-temperature filter cake dehumidifying dryer Download PDFInfo
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- CN107782115B CN107782115B CN201710996574.2A CN201710996574A CN107782115B CN 107782115 B CN107782115 B CN 107782115B CN 201710996574 A CN201710996574 A CN 201710996574A CN 107782115 B CN107782115 B CN 107782115B
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- filter cake
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- wire mesh
- drying
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B15/00—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form
- F26B15/10—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions
- F26B15/12—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions the lines being all horizontal or slightly inclined
- F26B15/18—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions the lines being all horizontal or slightly inclined the objects or batches of materials being carried by endless belts
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- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B23/00—Heating arrangements
-
- 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
Abstract
A closed high-temperature and low-temperature filter cake dehumidifying dryer is provided, a drying chamber body is arranged to be closed, two layers of wire mesh belts are arranged in the closed drying chamber body, the two layers of wire mesh belts are arranged on a chain and connected with a chain wheel to convey filter cakes, a water ring heat pump and a cold water compressor device are arranged, a feeding device is arranged and provided with a crushing mechanism, an arch breaking mechanism and a strip extruding mechanism, the feeding device is arranged above one end of a first layer of wire mesh belt, a circulating hot air fan is arranged in the drying chamber body, the temperature of a high-temperature drying area is set to be 50-80 ℃ for dehumidifying filter cakes, a circulating air cooler is arranged, the temperature of a low-temperature drying area is set to be 7-20 ℃ for dehumidifying filter cakes, the water ring heat pump and the cold water compressor device are arranged in an auxiliary chamber outside the drying chamber body, a PLC electric, the dryer is a totally-enclosed drying process, the environment is clean, the operation is safe, the energy is saved, and the cost and the efficiency are high.
Description
Technical Field
The invention belongs to the field of filter cake drying equipment of a filter press in the solid-liquid separation industry, and further relates to a closed high-temperature and low-temperature filter cake dehumidifying dryer.
Background
The filter press is the main filtering equipment in the solid-liquid separation industry, the materials for economic development and filtration have various varieties, filter cakes generated after the materials are filtered have wide application range, the filter cakes still contain a large amount of residual moisture, and particularly the moisture content of the filter cakes is reduced to the minimum requirement, so the filter press removes the moisture from the filtered filter cakes through the matched special drying equipment, the drying quality required by the filter cakes is achieved, and finally the filter press can be transferred to the next procedure for transportation, processing or storage and utilization.
At present, the equipment that the filter cake dehumidification used generally is heating high temperature drying-machine drying equipment, perhaps use solar heat source drying equipment, various high temperature bake out various categories such as case in addition, but these drying equipment in use discovery have the weak point, consumption heat energy greatly increases manufacturing cost when the dehumidification, the equipment that still seals not strict high temperature dry filter cake can produce a large amount of dusts and have the potential safety hazard, dry filter cake dehumidifies under high temperature and can discharge a large amount of harmful gas and pollute production operational environment, some equipment drying time is long, the little production efficiency of output is low, directly influence the processing or the depositing and the utilization of a process under filterable mud or the filter cake, make production efficiency receive the influence.
Disclosure of Invention
The invention aims to solve the defects in the background technology and provide a closed high-temperature and low-temperature filter cake dehumidifying dryer.
In order to realize the aim, the invention provides a closed type high-temperature and low-temperature filter cake dehumidifying dryer, which adopts the technical scheme that; the drying box is arranged in a closed manner, filter cakes are conveyed to two layers of silk screen belts to be arranged in the closed drying box, the two layers of silk screen belts are arranged on a chain and connected with a chain wheel to convey the filter cakes, a water ring heat pump and a cold water compressor device are arranged, a filter cake feeding device is arranged, the feeding device comprises a crushing mechanism, an arch breaking mechanism and a strip extruding mechanism, the filter cake feeding device is arranged above one end of a first layer of silk screen belt and used for conveying the first layer of silk screen belt after the filter cakes are extruded, the water ring heat pump and the cold water compressor device are arranged in an auxiliary box on the outer side of the drying box, a PLC (programmable logic controller) electrical control cabinet is arranged on the outer side of the drying box, and all the.
The two layers of screen belts are arranged in a closed drying chamber body, the first layer of screen belt and the second layer of screen belt are arranged from top to bottom in a layered mode, the lower portion of the tail end of the first layer of screen belt is the starting end of the second layer of screen belt, a filter cake of the first layer of screen belt falls into the starting end of the second layer of screen belt at the lower portion of the tail end of the first layer of screen belt, the first layer of screen belt is provided with a cleaning device, the cleaning device is provided with a cleaning roller, the cleaning roller is provided with a speed reducing motor and is connected with the first layer of screen belt, the cleaning roller rotates to clean the filter cake on the first layer of screen belt onto the second layer of screen belt, the tail end of the first layer of screen belt and the starting end of the second layer of screen belt are provided with single-roller crushing devices for crushing upper-layer material strips on the second layer of screen belt for drying, an upper air-equalizing plate and a lower air-equalizing plate are arranged in the drying chamber body and are used for, and the upper air-equalizing plate and the lower air-equalizing plate are arranged at the upper end and the lower end of the second layer of wire mesh belt.
The closed drying compartment body is provided with an openable door leaf for component installation and maintenance, a high-temperature drying area dehumidification area and a low-temperature drying area dehumidification area are arranged in the closed drying compartment body, a partition plate is arranged between the high-temperature drying area dehumidification area and the low-temperature drying area dehumidification area, the high-temperature drying area dehumidification area is provided with three circulating hot air machines, the three circulating hot air machines are arranged at the upper end of an upper air-equalizing plate and connected with a cross flow heat exchanger which is provided with a primary heater and a secondary heater, the cross flow heat exchanger is connected with the primary heater and the secondary heater and provided with a heat exchanger, one end of the heat exchanger is connected with the primary heater and the secondary heater, the other end of the heat exchanger is connected with a water ring heat pump through a pipeline, the low-temperature drying area is provided with two circulating air coolers for dehumidification, and the two circulating air coolers are arranged at the lower end of, the circulation air cooler dehumidifies and is connected with the evaporator, the evaporator is connected with the condenser, and the condenser is connected with the cold water compressor through a pipeline.
The upper part of one end of the closed drying compartment body is provided with a feed hole, the feed hole is provided with a filter cake feeding device, a filter cake is fed into the feed device through a conveying device, the feed device is provided with a crushing mechanism, the crushing mechanism is provided with a transmission speed reduction motor, the crushing mechanism is provided with a main shaft, a spiral shearing knife is arranged on the main shaft of the crushing mechanism, the feed device is provided with an arch breaking mechanism, the arch breaking mechanism is provided with a driving speed reduction motor, the arch breaking mechanism is provided with a roll shaft, a cross round steel rod is welded on the roll shaft, the arch breaking mechanism is provided with a pair roller gear, the filter cake feeding device is provided with a filter cake extruding mechanism, the extruding mechanism is provided with an extruding speed reduction motor, the extruding mechanism is provided with a pair roller shaft, the pair roller shaft is provided with a plurality of grooves, the extruding mechanism is provided with a transmission pair roller gear, and the filter cake falls into a first layer of silk screen belt through, then the filter cake falls into a second layer of wire mesh belt to enter a low-temperature drying area, the filter cake after dehumidification and drying is conveyed to a discharge port, and a conveying mechanism is arranged at the discharge port to convey the filter cake away.
The two layers of silk screen belts are arranged on the chain connecting chain wheel to convey filter cakes, and the chains on the two sides of the silk screen belts are provided with the baffle plates.
A spiral shearing knife is installed on the main shaft of the crushing mechanism, and a cutting steel plate and the spiral shearing knife are installed at the filter cake feeding inlet to form shearing alignment.
The drying compartment body is internally provided with a high-temperature drying area, and the temperature of the high-temperature drying area is kept between 50 ℃ and 80 ℃ for dehumidification.
The drying compartment body is internally provided with a low-temperature drying area, and the temperature of the low-temperature drying area is kept between 7 ℃ and 20 ℃ for dehumidification.
The drying compartment body is internally provided with an upper air equalizing plate and a lower air equalizing plate, the upper air equalizing plate and the lower air equalizing plate are made of stainless steel, and a plurality of vent holes are formed in the upper air equalizing plate and the lower air equalizing plate.
The combined high-temperature and low-temperature filter cake dehumidifying dryer has the following advantages;
1. the dryer is a totally enclosed drying process, and adopts a high-temperature drying area and a low-temperature drying area for drying twice, water vapor evaporated in the high-temperature drying area is changed into water falling when meeting cold air in the low-temperature drying area, the water is collected by a water receiving groove arranged at the bottom of a drying compartment body and is discharged by a pipeline, no tail gas is discharged, no gas treatment system is needed, the whole drying process is carried out in the totally enclosed drying compartment body, the production site environment is neat, the operation is safe, no explosion hidden trouble exists, the filter cake drying speed is high, and the filter cake drying effect is good.
2. The filter press has the advantages that various filter cakes filtered by the filter press are dehumidified and dried, wherein the water content of the sludge cakes including sludge dehydration is reduced to be less than 10% when the sludge cakes are sludge cakes with the water content of 60-80%, energy is saved, and the production cost is low and the efficiency is high.
3. The whole operation of the electrical control of the machine is controlled by a PLC program, and the full-automatic frequency conversion control of the feeding device and the conveying mesh belt transmission speed reduction motor comprises an electrical control circulating hot air blower and a circulating cold air blower, so that the machine does not need manual operation and is safe in production.
Drawings
The invention is further illustrated by the following figures and examples.
FIG. 1 is a schematic structural view of a closed-type high-temperature and low-temperature filter cake dehumidifying dryer according to the present invention.
Fig. 2 is an inside schematic view of the enclosed high and low temperature filter cake dehumidification dryer of fig. 1.
Fig. 3 is a schematic view of a water-ring heat pump and a cold water compressor in the auxiliary compartment of fig. 1.
In the figure, 1 is a drying box body, 2 is a feeding device, 3 is a first layer of wire mesh belt, 4 is a second layer of wire mesh belt, 5 is a cleaning roller, 6 is a discharging hole, 7 is an upper air equalizing plate, 8 is a lower air equalizing plate, 9 is a cutting steel plate, 10 is a pair of roller gears, 11 is a circulating hot air blower, 12 is a cross flow heat exchanger, 13 is a primary heater, 14 is a secondary heater, 15 is a heat exchanger, 16 is a high-temperature drying area, 17 is a low-temperature drying area, 18 is a circulating cold air blower, 19 is a cold water evaporator, 20 is a condenser, 21 is a crushing mechanism, 22 is an arch breaking mechanism, 23 is a strip extruding mechanism, 24 is a transmission speed reducing motor, 25 is a driving speed reducing motor, 26 is a strip extruding speed reducing motor, 27 is a first speed reducing motor, 28 is a second speed reducing motor, 29 is an auxiliary box body, 30 is a water ring heat pump, 31 is a hot water port, 32 is a cold water compressor, 33 is a cold.
Detailed Description
Referring to fig. 1, 2 and 3, the present invention provides a closed-type high-temperature and low-temperature filter cake dehumidifying dryer, which is accomplished by the following embodiments; the drying compartment body 1 is arranged to be closed, the closed drying compartment body is provided with an openable door leaf, the openable door leaf is closed, the door leaf is closed and provided with a door lock for component installation and maintenance, the drying compartment body 1 is made of a square section bar, the structure is manufactured by firstly welding a frame, then welding an outer steel plate, arranging two layers of wire mesh belts to be arranged on a chain and connecting a chain wheel for transmission and conveying filter cakes, arranging baffle plates on two sides of the wire mesh belts for keeping the filter cakes from scattering, arranging a water ring heat pump 30 and a cold water compressor 32 device on the chain for rotation, arranging the two layers of wire mesh belts in the drying compartment body 1, arranging a filter cake feeding device 2 above one end of a first layer of wire mesh belt 3 for conveying the first layer of wire mesh belt 3 after the filter cakes are extruded, and arranging the water ring heat pump 30 and the cold water compressor 32 device in an auxiliary compartment body 29 outside the drying compartment, the outer side of the drying compartment body 1 is provided with a PLC (programmable logic controller) electrical control cabinet, the electrical control of the machine is controlled by a PLC program, the water-ring heat pump 30 and the cold water compressor 32 are connected with the inside of the drying compartment body 1 through pipelines, and all the parts are modularly integrated and assembled in the closed drying compartment body.
The two layers of screen belts are arranged in the closed drying box body 1, the first layer of screen belt 3 and the second layer of screen belt 4 are arranged in layers from top to bottom, the lower part of the tail end of the first layer of screen belt 3 is the starting end of the second layer of screen belt 4, the filter cake of the first layer of screen belt 3 falls into the starting end of the lower second layer of screen belt 4 at the tail end of the first layer of screen belt, the first layer of screen belt 3 is provided with a first speed reducing motor 27 and is arranged outside the drying box body 1, the second layer of screen belt 4 is provided with a second speed reducing motor 28 and is arranged outside the drying box body 1, the first layer of screen belt 3 is provided with a cleaning device, the cleaning device is provided with a cleaning roller 5, a hairbrush is arranged on the cleaning roller 5, the cleaning roller 5 is provided with a speed reducing motor, the cleaning roller 5 rotates to clean the filter cake on the first layer of screen belt 3 onto the second layer of screen belt 4, the tail end of the first layer of screen belt 3 and the starting end of the second, the single-roller crushing device is characterized in that a plurality of zigzag centers are arranged on the cleaning roller 5, filter cake strips are crushed and fall down by rotating the zigzag centers and are used for drying upper-layer material strips on the second-layer wire mesh belt 4 after being crushed, an upper air-equalizing plate 7 and a lower air-equalizing plate 8 are arranged in the drying box body 1 and are used for uniformly distributing hot air entering from the water-ring heat pump 30, an upper air-equalizing plate 7 and a lower air-equalizing plate 8 are arranged in the drying box body, the used material is stainless steel, a plurality of ventilation holes are formed in the upper air-equalizing plate 7 and the lower air-equalizing plate 8, and the upper air-equalizing plate 7 and the lower air-equalizing plate 8 are arranged at the upper end and the lower end of the second-layer wire mesh belt 4.
The drying compartment body 1 is closed, a high-temperature drying area 16 dehumidification and a low-temperature drying area 17 dehumidification are arranged in the closed drying compartment body 1, a partition is arranged between the high-temperature drying area 16 dehumidification and the low-temperature drying area 17 dehumidification, the high-temperature drying area 16 dehumidification is provided with three circulating air heaters 11 for blowing air, the circulating air heaters 11 are connected with a cross flow heat exchanger 12, the cross flow heat exchanger 12 is arranged for a liquid heat exchanger in which two fluids flow in mutually perpendicular directions and mainly plays a role of dissipating heat, a primary heater 13 and a secondary heater 14 are arranged, the cross flow heat exchanger 12 is connected with the primary heater 13 and the secondary heater 14, a heat exchanger 15 is arranged for transferring heat from hot fluid to cold fluid to meet the temperature requirement, one end of the heat exchanger 15 is connected with the primary heater 13 and the secondary heater 14, the other end of the heat exchanger 15 is connected with a hot water port 31 arranged on a water ring heat pump 30 through a pipeline, the heat exchanger 15 is connected with the water loop heat pump 30 through a pipeline, the temperature of the dehumidification setting of the high-temperature drying area is kept between 50 ℃ and 80 ℃, the low-temperature drying area 17 is provided with two circulation air coolers 18 for dehumidification, the circulation air coolers 18 are dehumidified and connected with a cold water evaporator 19, the cold water evaporator is mainly used for heat exchange with air through the evaporator at low temperature, the gasification and heat absorption achieve the refrigeration effect, the low-temperature drying area consists of a heating chamber and an evaporation chamber, the cold water evaporator 19 is connected with a cold water port 33 arranged on a cold water compressor 32, the cold water evaporator 19 is further connected with a condenser 20, the condenser 20 is a refrigeration machine part and can convert gas or steam into liquid and take away the heat of the steam, the working process is a heat release process, the cold water evaporator 19 is connected through a pipeline, and the low-temperature drying area is arranged in the closed drying compartment body, the temperature of the dehumidification setting of the low-temperature drying area is kept between 7 ℃ and 20 ℃.
The drying box body 1 is closed, a feeding hole is formed in the upper portion of one end of the closed drying box body 1, the feeding device 2 is installed at the upper end of the feeding hole, a filter cake is fed into the feeding device 2 through a conveying device, the filter cake feeding device 2 is provided with a crushing mechanism 21, the crushing mechanism 21 is provided with a transmission speed reduction motor 24, the crushing mechanism 21 is provided with a main shaft, a spiral type shearing knife is installed on the main shaft, a cutting steel plate 9 is installed at a filter cake feeding inlet to form shearing butt joint, the filter cake is sheared into sheets through the spiral type shearing knife 9 of the inlet cutting steel plate and falls into the feeding device, the filter cake feeding device 2 is provided with an arch breaking mechanism 22, the arch breaking mechanism 22 is provided with a driving speed reduction motor 25, the arch breaking mechanism 22 is provided with a counter roll shaft, the arch breaking mechanism 22 is provided with a counter roll gear, and a cross round steel rod is, is used for breaking and breaking the filter cake and sending the filter cake into the strip extruding mechanism, the filter cake feeding device is provided with a filter cake strip extruding mechanism 23, the strip-extruding mechanism 23 is provided with a strip-extruding speed-reducing motor 26, the strip-extruding mechanism 23 is provided with a roll shaft, a plurality of grooves are arranged on the paired roller shaft, the filter cake is extruded into thin strips by the strip extruding mechanism 23 through the grooves, the strip extruding mechanism 23 is provided with a transmission pair roller gear, filter cakes fall into the first layer of silk screen belt 3 through the strip extruding mechanism 23 and are conveyed to the high-temperature drying area 16, then falls into a second layer of wire mesh belt 4 to enter a low-temperature drying area 17, filter cakes which are dehumidified and dried are conveyed to a discharge hole 6, a delivery mechanism is arranged at the discharge port 6 for carrying away, a drain hole is arranged at the bottom of the drying compartment body 1, moisture evaporated in the compartment body by a high-temperature drying area and a low-temperature drying area, the bottom of the carriage body is provided with a liquid collecting disc, a liquid collecting groove is arranged to collect water to the drain hole, and a connecting pipeline is arranged to drain water.
Be equipped with the electrical control cabinet at the 1 lateral surface of closed dry railway carriage or compartment body, the whole operations of local electrical control are by PLC controller program control, including feed arrangement's whole gear motor, the full-automatic frequency conversion control transportation of the first gear motor of conveying mesh belt and second gear motor, including electrical control circulation air heater and circulation air-cooler to and the circulation operation of water ring heat pump and cold water compressor, need not manual operation, and the site environment is clean and tidy, and production safety.
Flow of working principle
1. A filter cake inlet, a crushing mechanism, an arch breaking mechanism, a strip extruding mechanism, a first layer of wire mesh belt, a second layer of wire mesh belt and a discharge port.
2. The water-ring heat pump-heat exchanger-primary heater-secondary heater-cross-flow heat exchanger-circulating hot-air machine-first layer wire mesh belt-upper air-equalizing plate-high-temperature drying zone is used for dehumidification.
3. A cold water compressor, a cold water evaporator, a condenser, a circulating air cooler, a second layer of wire mesh belt, a lower air equalizing plate and a low-temperature drying area.
Claims (6)
1. Closed high temperature and low temperature filter cake dehumidification desiccator, its characterized in that: the drying box body is arranged in a closed manner, filter cake conveying is carried out by arranging two layers of silk screen belts in the closed drying box body, the two layers of silk screen belts are arranged on a chain connecting chain wheel for conveying filter cakes, a water ring heat pump and a cold water compressor device are arranged, a filter cake feeding device is arranged, the feeding device comprises a crushing mechanism, an arch breaking mechanism and a strip extruding mechanism, the filter cake feeding device is arranged above one end of the first layer of silk screen belt and used for conveying the first layer of silk screen belt after the filter cakes are extruded, the water ring heat pump and the cold water compressor device are arranged in an auxiliary box outside the drying box body, a PLC (programmable logic controller) electrical control cabinet is arranged outside the drying box body, each component is modularly and integrally arranged in the drying box body in a closed manner, the two layers of silk screen belts are arranged in the closed drying box body, and the first layer of silk screen, the lower part of the tail end of the first layer of wire mesh belt is the starting end of the second layer of wire mesh belt, the filter cake of the first layer of wire mesh belt falls into the starting end of the second layer of wire mesh belt at the tail end of the first layer of wire mesh belt, the first layer of wire mesh belt is provided with a cleaning device, the cleaning device is provided with a cleaning roller, the cleaning roller is provided with a speed reduction motor and is connected with the first layer of wire mesh belt, the cleaning roller rotates to clean the filter cake on the first layer of wire mesh belt onto the second layer of wire mesh belt, the tail end of the first layer of wire mesh belt and the starting end of the second layer of wire mesh belt are provided with single-roller crushing devices which are used for drying the upper layer of material strips on the second layer of wire mesh belt after being crushed, the drying box body is internally provided with an upper air equalizing plate and a lower air equalizing plate which are used for uniformly distributing hot air coming in a water ring heat pump, the upper air equalizing plate and the lower air equalizing plate are arranged at the upper end and, the device is used for component installation and maintenance, a high-temperature drying area and a low-temperature drying area are arranged in a closed drying compartment body, a partition plate is arranged between the high-temperature drying area and the low-temperature drying area, the high-temperature drying area is provided with three circulating hot air blowers which are arranged at the upper end of an upper air-equalizing plate, the circulating hot air blowers are connected with a cross-flow heat exchanger which is provided with a primary heater and a secondary heater, the cross-flow heat exchanger is connected with the primary heater and the secondary heater and is provided with a heat exchanger, one end of the heat exchanger is connected with the primary heater and the secondary heater, the other end of the heat exchanger is connected with a water-ring heat pump through a pipeline, the low-temperature drying area is provided with two circulating air coolers which are arranged at the lower end of the lower air-equalizing plate, the circulating air coolers are connected with, the condenser is connected with a cold water compressor through a pipeline, a feed hole is arranged at the upper part of one end of the closed drying compartment body, a filter cake feed device is installed at the feed hole, a filter cake is fed into the feed device through a conveying device, the feed device is provided with a crushing mechanism, the crushing mechanism is provided with a transmission speed reduction motor, the crushing mechanism is provided with a main shaft, a spiral shearing knife is installed on the main shaft of the crushing mechanism, the feed device is provided with an arch breaking mechanism, the arch breaking mechanism is provided with a driving speed reduction motor, the arch breaking mechanism is provided with a roll shaft, a cross round steel rod is welded on the roll shaft, the arch breaking mechanism is provided with a pair roller gear, the filter cake feed device is provided with a filter cake extruding mechanism, the extruding mechanism is provided with an extruding speed reduction motor, the extruding mechanism is provided with a pair roller shaft, the pair roller shaft is provided with a plurality of grooves, and the extruding mechanism, the filter cake falls into a first layer of screen belt through a plurality of grooves of the strip extruding mechanism and is conveyed to a high-temperature drying area, then falls into a second layer of screen belt and enters a low-temperature drying area, the filter cake after dehumidification and drying is conveyed to a discharge port, and a conveying mechanism is arranged at the discharge port and is conveyed away.
2. The enclosed high and low temperature filter cake dehumidification dryer of claim 1, further comprising: and the baffle plates are arranged on the chains at the two sides of the silk screen belt.
3. The enclosed high and low temperature filter cake dehumidification dryer of claim 1, further comprising: and a material cutting steel plate and a spiral shearing knife are arranged at the filter cake feeding inlet to form shearing alignment.
4. The enclosed high and low temperature filter cake dehumidification dryer of claim 1, further comprising: the temperature set in the high-temperature drying zone is kept between 50 ℃ and 80 ℃.
5. The enclosed high and low temperature filter cake dehumidification dryer of claim 1, further comprising: the temperature set in the low-temperature drying zone is kept between 7 ℃ and 20 ℃.
6. The enclosed high and low temperature filter cake dehumidification dryer of claim 1, further comprising: the upper air-equalizing plate and the lower air-equalizing plate are made of stainless steel, and a plurality of vent holes are formed in the upper air-equalizing plate and the lower air-equalizing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710996574.2A CN107782115B (en) | 2017-10-24 | 2017-10-24 | Closed high-temperature and low-temperature filter cake dehumidifying dryer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710996574.2A CN107782115B (en) | 2017-10-24 | 2017-10-24 | Closed high-temperature and low-temperature filter cake dehumidifying dryer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107782115A CN107782115A (en) | 2018-03-09 |
| CN107782115B true CN107782115B (en) | 2019-12-31 |
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| CN201710996574.2A Active CN107782115B (en) | 2017-10-24 | 2017-10-24 | Closed high-temperature and low-temperature filter cake dehumidifying dryer |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108895825A (en) * | 2018-07-06 | 2018-11-27 | 景津环保股份有限公司 | A kind of drying machine charging kicker device |
| CN114046652A (en) * | 2021-11-25 | 2022-02-15 | 景津环保股份有限公司 | Integrated circulating cold water heat exchange system of dehumidification mechanism and dehumidification mechanism of drying machine |
| CN116358244B (en) * | 2023-02-14 | 2023-10-31 | 常州市范群干燥设备有限公司 | Belt drying equipment |
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| CA2981700A1 (en) * | 2015-04-07 | 2016-10-13 | Singnergy Corporation Pte Ltd | Apparatus and method for improved evaporation drying |
| CN205035241U (en) * | 2015-08-20 | 2016-02-17 | 石曾矿 | Mud low temperature waste heat mummification machine |
| CN105217919A (en) * | 2015-09-30 | 2016-01-06 | 东莞东元环境科技有限公司 | A kind of dehumidifying heat pump anhydration system device |
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