CN106196950A - A dryer with sub-sieving function - Google Patents

Abstract

The present invention relates to the technical field of drying equipment, and in particular discloses a drying machine with a screening function, comprising a box body, a driving member installed on the box body, and a shaft body rotatably connected to the box body. The box body is also equipped with a screening mesh and a hot air pipe, the screening mesh is located in the box body, the hot air pipe is provided with an air outlet located in the box body, the shaft body is provided with a dispersing blade matched with the screening mesh, the dispersing blade is tilted around the shaft body, and the box body is also provided with a first discharge port and a second discharge port; when in use, bagasse is transported to the powder screen in the box body, and the hot air sprayed from the air outlet of the hot air pipe dries the moisture in the bagasse, the driving member drives the rotating shaft and then rotates the dispersing blade, the rotating dispersing blade breaks the bagasse, and the fine bagasse is discharged from the first discharge port to the boiler for combustion, and the bagasse with larger particles is discharged from the second discharge port into the crushing system, and is input into the boiler for combustion after being processed by the crushing system; compared with the bagasse directly input into the boiler for combustion, the combustion efficiency of the bagasse is improved.

Description

A dryer with sub-sieving function

technical field

The invention relates to the technical field of drying equipment, and in particular discloses a drying machine with a sieving function.

Background technique

Most of the bagasse in the prior art is directly input into the boiler for combustion treatment. Since the bagasse contains moisture, the calorific value generated by the direct combustion of the bagasse is low, and will be accompanied by a large amount of flue gas, resulting in extremely low combustion efficiency of the bagasse. The low combustion efficiency of bagasse directly leads to high exhaust gas temperature of the boiler, serious waste of heat, and correspondingly low thermal efficiency of the boiler. The low thermal efficiency of the boiler will also lead to an increase in fuel demand, which will lead to dust emissions and nitrogen oxide emissions. The increase in the amount greatly increases the subsequent exhaust gas treatment cost.

Contents of the invention

In order to overcome the shortcomings and deficiencies in the prior art, the object of the present invention is to provide a dryer with a sieving function, which can greatly improve the combustion efficiency of bagasse.

In order to achieve the above object, a dryer with a sieving function according to the present invention includes a box body, a driving part installed in the box body, a shaft body rotatably connected to the box body, the output end of the driving part and the shaft The box body is provided with a feed port and an exhaust port. The box body is also equipped with a sub-screen and a hot air pipe. The sub-screen is located in the box, and the hot air pipe is provided with an air outlet in the box. The shaft body is equipped with breaking blades that cooperate with the sub-screen, and the breaking blades are arranged obliquely around the shaft body. The box body is also equipped with a first discharge port and a second discharge port. On the same side of the screen, the first discharge port and the feed port are respectively located on both sides of the sub-screen, and the second discharge port communicates with the sub-screen.

Preferably, there are multiple breaking blades, the multiple breaking blades are spaced apart from each other, and the inclination directions of the multiple breaking blades around the shaft are the same.

Preferably, the shaft body is also equipped with guide blades, the guide blades and the dispersing blades are arranged at intervals from each other, the guide blades are arranged obliquely around the shaft body, and the inclination direction of the guide blades around the shaft body is the same as that of the dispersing blades around the shaft. The inclination directions of the bodies are opposite to each other, and the connection between the second discharge port and the sub-screen is located between the guide vane and the breaking vane.

Preferably, the box is also equipped with a spray assembly, the spray assembly includes a nozzle installed in the box, a temperature sensor, a nozzle installed in the nozzle, the temperature sensor and the nozzle are located in the box, The spray head is located on the same side of the sub-screen as the feed port.

Preferably, the box body is also equipped with an exhaust pipe communicating with the exhaust port, and the end of the exhaust pipe away from the box body is covered with a filter cloth bag.

Preferably, the box body is also equipped with an explosion-proof assembly, the explosion-proof assembly includes a dust sensor installed in the box body and an explosion-proof door detachably connected to the box body.

Preferably, the dryer with sieving function further includes a frame body, the box body is installed on the frame body, the shaft body passes through the box body, and the two ends of the shaft body are respectively hinged to the frame body.

Preferably, the sub-screen is provided with two arc-shaped troughs, and each arc-shaped trough corresponds to a shaft body.

Preferably, there are two hot air pipes, and the two hot air pipes are respectively located on both sides of the sub-screen.

Preferably, the dryer with sub-sieving function also includes a controller, the driving part is a motor, the output shaft of the driving part is equipped with a first pulley, the shaft body is equipped with a second pulley, and the first belt The pulley is connected to the second pulley through a belt body, and the driving part is electrically connected to the controller.

Beneficial effects of the present invention: when in use, the bagasse to be burned is transported to the powder screen in the box, the hot air blown from the air outlet by the hot air pipe dries the water contained in the bagasse, and the driving part drives the rotating shaft to disperse the water The blade rotates, and the rotating dispersing blade breaks the bagasse. The fine bagasse leaks from the sub-screen and is discharged through the first discharge port, and then input into the boiler for combustion. The larger particle bagasse is discharged from the sub-screen, and then passed through The second outlet is input into the crushing system, and then input into the boiler for combustion after being processed by the crushing system; compared with directly inputting bagasse into the boiler for combustion, the combustion efficiency of bagasse is greatly improved.

Description of drawings

Fig. 1 is the front view of the present invention;

Fig. 2 is a right side view of the present invention.

Reference signs include:

11—casing 12—feed inlet 13—exhaust port

14—First outlet 15—Second outlet 16—Exhaust pipe

17—Filtration bag 21—Driver 22—Shaft body

23—Sieve screen 24—Hot air pipe 25—Breaking up blades

26—Guide vane 27—Arc shaped trough 3—Spray assembly

31—Nozzle 32—Nozzle 4—Explosion-proof components

41—explosion-proof door 5—frame body.

detailed description

In order to facilitate the understanding of those skilled in the art, the present invention will be further described below in conjunction with the embodiments and accompanying drawings, and the contents mentioned in the implementation modes are not intended to limit the present invention.

Please refer to Fig. 1 and Fig. 2, a kind of drying machine with sieve function of the present invention, comprises box body 11, the drive member 21 that is installed on box body 11, the shaft that is rotatably connected on box body 11 body 22, the output end of the driver 21 is connected to the shaft body 22 and used to drive the shaft body 22 to rotate, the casing 11 is provided with a feed port 12 and an exhaust port 13, and the bagasse is input into the casing 11 through the feed port 12, Described casing 11 is also equipped with sub-screen 23 and hot-blast pipe 24, and sub-screen 23 is positioned at casing 11, and hot-blast pipe 24 is provided with the air outlet that is positioned at casing 11, certainly, the quantity of air outlet Can be multiple, during use, the hot air pipe 24 is communicated with the external hot air assembly, and the hot air generated by the hot air assembly is blown into the box body 11 through the air outlet of the hot air pipe 24; the shaft body 22 is provided with a sub-screen 23, the dispersing blade 25 matched with the dispersing blade 25 is arranged obliquely around the shaft body 22. The port 15, the feed port 12 and the shaft body 22 are located on the same side of the sub-screen 23, the first discharge port 14 and the feed port 12 are respectively located on both sides of the sub-screen 23, the second discharge port 15 is connected to the sub-screen The net 23 is connected. In the present embodiment, the feed inlet 12 is located at the upper end of the box body 11 to ensure that the bagasse can easily enter the box body 11 under the action of gravity; the first discharge port 14 and the second discharge port 15 are all located at the box body Below 11, ensure that the bagasse after sub-sieve 23 and hot air pipe 24 are processed is easily discharged from casing 11 under the action of gravity.

In actual use, the bagasse to be burned is transported to the powder screen in the box body 11, the hot air blown out from the air outlet by the hot air pipe 24 dries the moisture contained in the bagasse, and the driving part 21 drives the rotating shaft to disperse the blades together. 25 rotates, and the rotating blade 25 smashes the bagasse, and the fine bagasse leaks from the sub-screen 23 and is discharged through the first discharge port 14, and is then input into the boiler for combustion, and the bagasse with larger particles is passed through the sub-screen 23 Discharged, then input into the crushing system through the second discharge port 15, and then input into the boiler for combustion after being processed by the crushing system, preferably, the aperture size of the sub-screen 23 is less than 3mm; compared with bagasse directly input into the boiler Combustion reduces the water content in bagasse, increases the contact area between bagasse particles and air, and greatly improves the combustion efficiency of bagasse.

Please refer to Fig. 1, in the present embodiment, the quantity of described breaking blade 25 is a plurality of, and a plurality of breaking blades 25 are arranged at intervals from each other, and the inclination direction of a plurality of breaking blades 25 around the shaft body 22 is the same, preferably, The angle of inclination between the blades 25 and the rotating shaft is less than 10°, and the blades 25 and the shaft body 22 are inclined to ensure that the bagasse with larger particles can flow out from the sub-sieve 23 smoothly along the inclination of the blades 25. According to actual needs, the shape of the dispersing blade 25 can be made into an arc shape or a plane shape.

Please refer to Fig. 1 and Fig. 2, described shaft body 22 is also equipped with guide vane 26, and the shape of guide vane 26 and breaks up blade 25 is roughly the same, and guide material vane 26 and breaks up blade 25 are arranged at intervals each other, guide The material blade 26 is inclined to be arranged around the shaft body 22, and the inclination direction of the material guide blade 26 around the shaft body 22 and the inclination direction of the scattering blade 25 around the shaft body 22 are opposite to each other, so as to prevent the larger bagasse of particles from accumulating on the end of the sub-screen 23 Part and can not be discharged normally, the connection between the second discharge port 15 and the sub-screen 23 is located between the guide vane 26 and the breaking vane 25 .

Described casing 11 is also equipped with spraying assembly 3, and spraying assembly 3 is used for preventing spontaneous combustion of bagasse, and spraying assembly 3 comprises nozzle pipe 31 and temperature sensor that are installed on casing 11, is installed in spraying nozzle. The nozzle 32 on the pipe 31, in the present embodiment, the nozzle 31 is located outside the casing 11, the temperature sensor and the nozzle 32 are all located in the casing 11, and the nozzle 32 and the feed port 12 are located on the same side of the sub-screen 23 . When the temperature sensor detects that the temperature in the box 11 reaches a predetermined value, for example, when the temperature in the box 11 reaches the ignition point of bagasse, the spray assembly 3 starts, and the fire extinguishing fluid (water can be used) passes through the nozzle of the nozzle 31 32 is sprayed on the bagasse in the casing 11 to prevent the bagasse from spontaneously combusting in the casing 11. Preferably, the spray head 32 is a rotating spray head 32 to ensure that the fire extinguishing liquid can be sprayed on the bagasse in the box 11 in all directions.

Described box body 11 is also equipped with explosion-proof assembly 4, and explosion-proof assembly 4 is used for preventing box body 11 from exploding, and explosion-proof assembly 4 comprises the dust sensor installed in box body 11 and is detachably connected on box body 11. The explosion-proof door 41, when the dust sensor detects that the concentration of dust particles in the box 11 has accumulated to a predetermined value, the explosion-proof door 41 will automatically rupture to prevent the explosion of the box 11. After the explosion-proof door 41 is broken, it only needs to be replaced with a new explosion-proof The door 41 is ready for reuse.

Described box body 11 is also equipped with the exhaust pipe 16 that is communicated with exhaust port 13, and the end of exhaust pipe 16 away from box body 11 is covered with filter cloth bag 17, and the waste gas after drying bagasse passes through exhaust port 13. The exhaust pipe 16 is discharged, and the waste gas discharged through the exhaust pipe 16 is filtered through the filter cloth bag 17 to filter dust and other sundries, so as to prevent the dust from following the exhaust gas out of the casing 11 and pollute the air. Preferably, the exhaust port 13 is located at the top of the box body 11 , since the exhaust gas contains heat, the exhaust gas will rise in the box body 11 to ensure that the exhaust gas can be easily discharged through the exhaust port 13 . Of course, those skilled in the art can also install an exhaust fan on the exhaust pipe 16 to quickly extract the exhaust gas from the box body 11 .

The dryer with sub-sieving function also includes a frame body 5, the frame body 5 is made of metal materials, such as stainless steel or aluminum alloy, etc., the box body 11 is installed on the frame body 5, and the shaft body 22 runs through the box body 11. The two ends of the shaft body 22 are respectively hinged on the frame body 5 , for example, the two ends of the shaft body 22 can be installed in bearings, and the bearings are installed on the frame body 5 . In actual use, the user can use a forklift to lift the frame body 5 and move the entire dryer conveniently.

The sub-screen 23 is provided with two arc-shaped troughs 27, and each arc-shaped trough 27 corresponds to a shaft body 22 respectively. When the bagasse enters the box body 11 through the feed port 12, the bagasse falls into the In the arc-shaped chute 27, use the arc-shaped chute 27 to draw in the bagasse to ensure that the breaking blades 25 of the shaft body 22 can quickly break up the bagasse gathered in the arc-shaped chute 27.

The quantity of described hot-blast pipe 24 can be two, and two hot-blast pipes 24 are respectively positioned at the upper and lower sides of sub-screen 23, utilize two hot-air pipes 24 to arc respectively from the upper and lower sides of sub-screen 23. The hopper 27 blows hot air so that the bagasse in the arc-shaped hopper 27 is dried quickly. In this embodiment, a hot air pipe 24 is provided above each arc-shaped trough 27 , and a hot air pipe 24 is provided below the sub-screen 23 .

The dryer with sieving function also includes a controller, the driving part 21 is a motor, the output shaft of the driving part 21 is provided with a first pulley, one end of the shaft body 22 is provided with a second pulley, and the first One pulley and the second pulley are connected by a belt body, and the driving member 21 is electrically connected to the controller. As required, the driving member 21 can be connected to the controller through a cable. Of course, the driving member 21 can also be connected to the controller. The dryers are connected through wireless transmission (such as Bluetooth or WiFi, etc.), and the controller is used to control the operating parameters of the drive part 21 to ensure that the dryer can run automatically.

The drying machine with the sub-sieving function of the present invention overcomes many defects in the prior art, such as high water content of bagasse and low calorific value, high exhaust gas temperature when boiler burns bagasse, large heat loss of boiler exhaust smoke, and high pollution discharge.

The drying machine with sub-sieving function of the present invention can reduce the water content of bagasse by about 3%, improve the combustion effect of the boiler, increase the combustion efficiency of bagasse, reduce the amount of flue gas discharged from the boiler, reduce the generation of harmful gases, and prolong the life of the boiler tail gas treatment equipment. service life. The bagasse is screened by the sub-sieve 23, so that the size of the bagasse particles put into the boiler is consistent, which further assists in improving the utilization rate of the bagasse.

The above content is only a preferred embodiment of the present invention. For those of ordinary skill in the art, according to the idea of the present invention, there will be changes in the specific implementation and application scope. limits.

Claims (10)

1., with a dehydrator for sub-sieve function, the actuator that including casing, is installed in casing, it is rotationally connected with casing Axis body, the outfan of actuator is connected with axis body, and casing is provided with charging aperture and air vent, it is characterised in that: described casing also fills Being provided with sub-sieve net and warm-air pipe, sub-sieve net is positioned at casing, and warm-air pipe is provided with the gas outlet being positioned at casing, and axis body is provided with and divides What screen cloth coordinated breaks up blade, breaks up blade and is obliquely installed around axis body, and casing is additionally provided with the first discharging opening and the second discharging opening, enters Material mouth and axis body are positioned at the same side of sub-sieve net, and the first discharging opening and charging aperture lay respectively at the both sides of sub-sieve net, the second discharging Mouth connects with sub-sieve net.

Dehydrator with sub-sieve function the most according to claim 1, it is characterised in that the quantity breaing up blade described in: is Multiple, multiple blades of breaing up are intervally installed, and multiple to break up blade identical around the incline direction of axis body.

Dehydrator with sub-sieve function the most according to claim 1, it is characterised in that: described axis body is also equiped with guide Blade, guide blade is intervally installed with breaing up blade, and guide blade is obliquely installed around axis body, guide blade inclining around axis body Tilted direction is with to break up blade opposite each other around the incline direction of axis body, and the second discharging opening is positioned at guide leaf with the connectivity part of sub-sieve net Sheet and breaing up between blade.

Dehydrator with sub-sieve function the most according to claim 1, it is characterised in that: described casing is also equiped with spray Assembly, spray assemblies includes the jet pipe being installed in casing and temperature inductor, is installed in the shower nozzle of jet pipe, temperature inductor and spray Head is respectively positioned in casing, and shower nozzle and charging aperture are positioned at the same side of sub-sieve net.

Dehydrator with sub-sieve function the most according to claim 1, it is characterised in that: described casing is also equiped with and arranges The exhaustor of QI KOU connection, exhaustor is arranged with filter cloth bag away from one end of casing.

Dehydrator with sub-sieve function the most according to claim 1, it is characterised in that: described casing is also equiped with explosion-proof Assembly, proof assembl includes the dust induction apparatus being installed in casing and the explosion proof door being removably attachable to casing.

Dehydrator with sub-sieve function the most according to claim 1, it is characterised in that: the described baking with sub-sieve function Dry machine also includes support body, and casing is installed in support body, and axis body runs through casing, and the two ends of axis body are hingedly connected to support body.

Dehydrator with sub-sieve function the most according to claim 1, it is characterised in that: described sub-sieve net is provided with two arcs Describe hopper, the most corresponding axis body of each arc capaciting material groove.

Dehydrator with sub-sieve function the most according to claim 1, it is characterised in that: the quantity of described warm-air pipe is two Individual, two warm-air pipes lay respectively at the both sides of sub-sieve net.

Dehydrator with sub-sieve function the most according to claim 1, it is characterised in that: described with sub-sieve function Dehydrator also includes controller, and actuator is motor, and the output shaft of actuator is equiped with the first belt wheel, and axis body is equiped with the second band Wheel, is connected by belt body between the first belt wheel and the second belt wheel, and actuator is electrically connected with the controller.