CN111707071A

CN111707071A - Drying machine

Info

Publication number: CN111707071A
Application number: CN202010689917.2A
Authority: CN
Inventors: 刘志佳; 陈忠良; 江泽慧; 费本华; 冯子兴; 杨建飞; 倪良萌; 高奇; 侯艳梅; 何玉玉
Original assignee: Jiaxing Xinjiao Machinery Co ltd; International Center for Bamboo and Rattan
Current assignee: Jiaxing Xinjiao Machinery Co ltd; International Center for Bamboo and Rattan
Priority date: 2020-07-17
Filing date: 2020-07-17
Publication date: 2020-09-25

Abstract

The invention discloses a dryer, which relates to the technical field of hot air drying, wherein a shovelling plate body in the dryer comprises a central cylinder and a plurality of material lifting shovelling plates, a plurality of through grooves are formed in the circumferential side wall of the central cylinder, the number of the material lifting shovelling plates is multiple, one end of each material lifting shovelling plate is abutted against the circumferential inner wall of a roller, a gap is formed between the other end of each material lifting shovelling plate and the central cylinder, and by the arrangement, the falling time of materials can be increased due to the blocking effect of the central cylinder no matter what way the materials fall, and the material drying efficiency is greatly improved; the dryer is also provided with the anti-backfire device, the anti-backfire device effectively avoids the situation that the fire inlet pipeline is blocked, and the safety performance of the dryer is greatly improved.

Description

Drying machine

Technical Field

The invention relates to the technical field of hot air drying, in particular to a dryer.

Background

Present drying-machine (drum-type drying-machine), all utilize the interior exhaust steam of burning furnace to dry the material in the cylinder, have rational in infrastructure, the preparation is exquisite, advantages such as output height, but still have following defect simultaneously:

1. in the prior art, materials fall off from the inner shovelling plates more quickly, the contact time with hot air is short, and the drying efficiency of the materials is low;

2. the roller is communicated with the stove usually through a fire inlet pipeline, a hole is formed in the fire inlet pipeline, a material inlet hopper is installed on the fire inlet pipeline, materials enter the fire inlet pipeline, the materials are accumulated in the fire inlet pipeline and are sucked into the roller to be dried through wind power, when the moisture of the materials is high, the problems that the materials are accumulated in the fire inlet pipeline below a feeding hole and the wind power cannot be pulled away can occur, the materials are agglomerated after being burnt at high temperature for a long time, a barrier is formed to block the fire inlet pipeline, so that the wind pressure in the roller and the fire inlet pipeline is reduced to instantly generate a negative pressure state, the flow direction of the negative pressure wind power is suddenly changed, the flame rushes out of a stove opening due to the backward backflow, and operators near the stove are easily burnt.

Therefore, how to provide a dryer with high drying efficiency and safety becomes a problem to be solved urgently by those skilled in the art.

Disclosure of Invention

In order to solve the technical problems, the invention provides the dryer with high drying efficiency and safety performance.

In order to achieve the purpose, the invention provides the following scheme:

the present invention provides a dryer, including: a cooking range; the first end of the fire inlet pipeline is communicated with the stove; a drum; the driving device is in transmission connection with the roller so as to drive the roller to rotate; the inner shoveling plate component is arranged inside the roller and comprises a plurality of inner shoveling plate bodies arranged along the axial direction of the roller, each inner shoveling plate body comprises a central barrel and a material lifting shoveling plate, the whole central barrel is of a cylindrical structure, a plurality of through grooves are formed in the circumferential side wall of the central barrel, each through groove extends along the axial direction of the central barrel and penetrates through the barrel wall of the central barrel, the length of each through groove along the axial direction of the central barrel is smaller than or equal to that of the central barrel, the plurality of through grooves are distributed along the circumferential direction of the central barrel, the number of the material lifting shoveling plates is multiple, one end of each material lifting shoveling plate abuts against the circumferential inner wall of the roller, a gap is formed between the other end of each material lifting shoveling plate and the central barrel, so that materials on the material lifting shoveling plates are spread on the outer circumferential side wall of the central barrel, the material lifting shoveling plates correspond to the through grooves one by one, so that part of materials on the material lifting shoveling plates slide down from the peripheral side wall of the central cylinder, the rest of materials enter the central cylinder from the corresponding through grooves, and the central cylinder and the material lifting shoveling plates are connected with the roller to synchronously rotate along with the roller; the anti-backfire device comprises a barrel and a discharging channel, wherein a first end of the barrel is communicated with a second end of the fire inlet pipeline, a second end of the barrel is rotatably connected with a first end of the roller and is communicated with the interior of the roller, the discharging channel is obliquely arranged and penetrates through the wall of the barrel, the first end of the discharging channel is positioned outside the barrel, and the second end of the discharging channel extends into the roller through the second end of the barrel; the induced draft fan is communicated with the second end of the roller; the upper part of the separating cylinder is communicated with the suction fan, the top end of the separating cylinder is connected with an exhaust pipe, and the bottom end of the separating cylinder is provided with a discharge hole.

Preferably, the dryer further comprises a waste heat transmission pipeline, the stove comprises a primary combustion furnace, a secondary combustion furnace and a tertiary combustion furnace which are sequentially communicated, and the first ends of the waste heat transmission pipeline and the fire inlet pipeline are communicated with the tertiary combustion furnace.

Preferably, a smoke outlet pipeline of the carbonization furnace is communicated with the secondary combustion furnace through a tail gas treatment device so as to provide pure combustible gas for the secondary combustion furnace.

Preferably, the tail gas treatment device comprises an air inlet pipeline, a first liquid storage device, a second liquid storage device, a third liquid storage device, and an air storage device, a condensation tower, a water curtain spraying device and a fan which are sequentially communicated, wherein one side of the lower end of the air inlet pipeline is communicated with a smoke outlet pipeline of the carbonization furnace, the top end of the air inlet pipeline is communicated with the air storage device, the fan is communicated with the secondary combustion furnace, the bottom end of the air inlet pipeline is communicated with the first liquid storage device, the air storage device is communicated with the second liquid storage device, and the condensation tower is communicated with the third liquid storage device.

Preferably, the water curtain spraying device comprises a first shell, a horizontal shutter group, a spraying group, a conical funnel and a conical cap, the horizontal shutter group, the spraying group, the conical funnel and the conical cap are sequentially arranged in the first shell from top to bottom along the height direction of the first shell, the conical funnel and the conical cap are coaxially arranged with the first shell, the smaller end of the conical funnel and the smaller end of the conical cap are arranged oppositely, the top end of the first shell is provided with a first air outlet, one side of the lower end of the first shell is provided with a first air inlet, and the height of the first air inlet is lower than that of the conical cap, the horizontal louver group comprises a plurality of horizontal louvers which are overlapped along the height direction of the first shell, and the spraying group comprises a plurality of spraying heads which are arranged along the circumferential direction of the first shell.

Preferably, the condensing tower comprises a second shell, a partition plate, a first condensing pipe and a plurality of second condensing pipes, the second shell comprises an upper cavity, a middle cavity and a lower cavity which are sequentially arranged from top to bottom, the partition plate is vertically arranged in the upper cavity and divides the upper cavity into a first cavity and a second cavity which are mutually independent, the plurality of first condensing pipes and the plurality of second condensing pipes are arranged in the hollow cavity side by side, each first condensing pipe and each second condensing pipe are arranged along the height direction of the middle cavity, two ends of each first condensing pipe are respectively communicated with the first cavity and the lower cavity, two ends of each second condensing pipe are respectively communicated with the second cavity and the lower cavity, a second air inlet communicated with the first cavity is arranged on the second shell, and the second air inlet is communicated with the air storage device, and a second air outlet communicated with the second cavity is formed in the second shell, a liquid outlet is formed in the bottom end of the second shell, and the liquid outlet is communicated with the third liquid storage device.

Preferably, a spiral plate spirally extending along the inner wall of the circumference of the central cylinder is arranged in the central cylinder.

Preferably, each of the lifting shovelling plates comprises a first shovelling plate and a second shovelling plate, the first shovelling plate and the second shovelling plate are fixedly connected and form a folding structure, the first shovelling plate is used for abutting against the inner wall of the roller, a gap is formed between the second shovelling plate and the outer circumferential side wall of the central cylinder, and the length of each through groove is half of the length of the central cylinder.

Preferably, each material lifting shovelling plate is welded to the inner wall of the circumference of the drum, each material lifting shovelling plate is connected with the central cylinder through a first connecting column, one end of the first connecting column is fixedly connected with the material lifting shovelling plate, and the other end of the first connecting column is fixedly connected with the central cylinder.

Preferably, the anti-backfire device further comprises a bracket welded by section steel, and the cylinder is mounted on the bracket; the first end of the blanking channel is provided with an inverted cone-shaped hopper, and the cross section of the blanking channel, which is perpendicular to the axial direction of the blanking channel, is rectangular; the first end of the cylinder body is provided with a cover plate, the cover plate is fixedly connected with the cylinder body, the center of the cover plate is provided with a through hole, and the fire inlet pipeline is welded with the cover plate and is communicated with the through hole; the diameter of the cylinder is the same as that of the roller.

Compared with the prior art, the invention has the following technical effects:

the present invention provides a dryer, comprising: a cooking range; the first end of the fire inlet pipeline is communicated with the stove; a drum; the driving device is in transmission connection with the roller so as to drive the roller to rotate; the inner shoveling plate component is arranged inside the roller and comprises a plurality of inner shoveling plate bodies arranged along the axial direction of the roller, each inner shoveling plate body comprises a central barrel and a material lifting shoveling plate, the central barrel is integrally of a cylindrical structure, a plurality of through grooves are formed in the circumferential side wall of the central barrel, each through groove extends along the axial direction of the central barrel and penetrates through the barrel wall of the central barrel, the length of each through groove along the axial direction of the central barrel is smaller than or equal to that of the central barrel, the plurality of through grooves are distributed along the circumferential direction of the central barrel, the number of the material lifting shoveling plates is multiple, one end of each material lifting shoveling plate is abutted against the circumferential inner wall of the roller, a gap is formed between the other end of each material lifting shoveling plate and the central barrel, materials on the material lifting shoveling plates are spread on the outer circumferential side wall of the central barrel, the material lifting shoveling plates are in one-to-one correspondence with the through grooves, so that part of, the other part of materials enter the central cylinder from the corresponding through grooves, the central cylinder and the material lifting shoveling plates are connected with the roller to synchronously rotate along with the roller, the central cylinder and the material lifting shoveling plates synchronously rotate along with the roller of the dryer in the specific use process, the materials on the material lifting shoveling plates are gradually spread on the central cylinder, the length of the material lifting shoveling plates along the axial direction of the central cylinder is greater than that of the through grooves, so that part of the materials on the material lifting shoveling plates slide off from the outer circumferential side wall of the central cylinder, the other part of the materials enter the central cylinder from the through grooves of the central cylinder, the part of the materials entering the central cylinder slide off from the through grooves of the central cylinder after rotating for a certain angle along with the central cylinder, the slid materials are shoveled by the material lifting shoveling plates again to enter the next cycle, and the dried materials can be brought out by hot air flow in each cycle, and the arrangement is compared with the prior art that the materials fall freely after falling from the shoveling plates, the falling speed is high, the contact time with hot air flow in the falling process is short, when the dryer is used for drying, part of materials on the material lifting shoveling plate slide down through the peripheral side wall of the central cylinder, the other part of materials enter the central cylinder and slide out of the through groove in the rotating process of the central cylinder, and the falling time of the materials is increased under the blocking effect of the central cylinder no matter what the falling mode is, so that the contact time of the materials and the hot air flow is increased, and the effect of improving the drying rate of the materials is finally achieved;

the anti-backfire device comprises a barrel and a discharging channel, wherein a first end of the barrel is communicated with a second end of the fire inlet pipeline, a second end of the barrel is rotatably connected with the roller and is communicated with the inside of the roller, the discharging channel is obliquely arranged and penetrates through the barrel wall of the barrel, the first end of the discharging channel is positioned outside the barrel, and the second end of the discharging channel extends into the roller through the second end of the barrel, so that the fire inlet pipeline and the discharging channel can be separated, the problem of material blockage can not occur in the fire inlet pipeline, flame in the fire inlet pipeline enters the barrel and then passes through the blocking and buffering release of the discharging channel, the flame enters the roller through left and right branches, open fire disappears and is changed into heat energy airflow, the heat energy airflow can not be directly intersected with the open fire of materials, the drying effect of the materials is better, the materials can be directly fed into a shoveling plate in the, the material shifts forward at once, and the problem of piling up can not take place in the unloading process.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic structural view of a dryer provided in an embodiment of the present invention;

FIG. 2 is a schematic diagram of an internal structure of a backfire preventing device provided in the embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a shoveling plate assembly in the dryer according to an embodiment of the invention;

FIG. 4 is a schematic view of the shoveling plate assembly in the dryer of FIG. 3 mounted in a drum of the dryer;

FIG. 5 is a left side view of FIG. 4;

FIG. 6 is a schematic structural diagram of an exhaust gas treatment device provided in an embodiment of the present invention;

fig. 7 is a schematic structural view of a water curtain spraying device provided in the embodiment of the present invention;

fig. 8 is a schematic structural view of a condensation column provided in an embodiment of the present invention.

Description of reference numerals: 1. a central barrel; 2. a through groove; 3. a drum; 4. a first shoveling plate; 5. a second shoveling plate; 6. a spiral plate; 7. a first connecting column; 8. a barrel; 9. a blanking channel; 10. a fire inlet duct; 11. a tertiary combustion furnace; 12. a condensing tower; 1201. a second housing; 1202. a partition plate; 1203. a first condenser pipe; 1204. a second condenser pipe; 1205. a lower cavity; 1206. a second air inlet; 1207. a second air outlet; 1208. a first cavity; 1209. a second cavity; 13. a water curtain spray device; 1301. a first housing; 1302. a conical funnel; 1303. a conical cap; 1304. a first air outlet; 1305. a first air inlet; 1306. a horizontal louver; 1307. a shower head; 1308. an overflow port; 14. a connecting rod; 15. a cover plate; 16. a primary combustion furnace; 17. a secondary combustion furnace; 18. sucking a fan; 19. a support; 20. a hopper; 21. an air intake line; 22. a carbonization furnace; 23. a gas storage device; 24. a fan; 25. a first liquid storage device; 26. a second liquid storage device; 27. a third liquid storage device; 28. a separation cylinder; 29. an exhaust pipe; 30. and a waste heat transmission pipeline.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The invention aims to provide a dryer with high drying efficiency and safety performance.

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.

As shown in fig. 1 to 8, the present embodiment provides a dryer including: a cooking range; the first end of the fire inlet pipeline 10 is communicated with the stove; a drum 3; the suction fan 18 is communicated with the second end of the roller 3; the upper part of the separation cylinder 28 is communicated with the induced draft fan 18, the top end of the separation cylinder 28 is connected with an exhaust pipe 29, the bottom end of the separation cylinder 28 is provided with a discharge hole, gas is discharged from the exhaust pipe 29, and dry materials are discharged from the discharge hole; the driving device is in transmission connection with the roller 3 to drive the roller 3 to rotate, and in the embodiment, the driving device specifically comprises a motor, a speed reducer and a gear ring, the motor is connected with the speed reducer through a belt, the speed reducer is connected with the gear ring, gear teeth are arranged on the surface of the roller 3, the gear teeth on the roller 3 are meshed with the gear teeth in the gear ring, the motor rotates to drive the roller 3 to rotate, and it should be noted that the driving device is not limited to the above structure, and any device capable of driving the roller 3 to rotate can be used; the inner shoveling plate component is arranged inside the roller 3 and comprises a plurality of inner shoveling plate bodies arranged along the axial direction of the roller 3, each inner shoveling plate body comprises a central barrel 1 and a material lifting shoveling plate, the whole central barrel 1 is of a cylindrical structure, a plurality of through grooves 2 are arranged on the circumferential side wall of the central barrel 1, each through groove 2 extends along the axial direction of the central barrel 1 and penetrates through the barrel wall of the central barrel 1, the length of each through groove 2 along the axial direction of the central barrel 1 is smaller than or equal to that of the central barrel 1, the plurality of through grooves 2 are distributed along the circumferential direction of the central barrel 1, the number of the material lifting shoveling plates is multiple, one end of each material lifting shoveling plate is abutted against the circumferential inner wall of the roller 3, a gap is formed between the other end of each material lifting shoveling plate and the central barrel 1 so as to spread materials on the outer circumferential side wall of the central barrel 1, the material lifting shoveling plates are in one-to-one correspondence with the through grooves 2 so that the materials on the outer circumferential side wall of, the rest part of materials enter the central cylinder 1 from the corresponding through groove 2, and the central cylinder 1 and the material lifting shoveling plates are connected with the roller 3 to synchronously rotate along with the roller 3. In the specific use process, as the dryer roller 3 rotates, the central cylinder 1 and the material lifting shoveling plates also rotate synchronously with the dryer roller 3, the material lifting shoveling plates gradually rotate to lift materials, the material lifting shoveling plates continuously rotate until the material lifting shoveling plates incline downwards, the materials on the material lifting shoveling plates are gradually spread on the central cylinder 1, the axial length of the material lifting shoveling plates along the central cylinder 1 is greater than that of the through grooves 2, so that a part of the materials on the material lifting shoveling plates slide down from the outer circumferential side wall of the central cylinder 1, a part of the materials enter the central cylinder 1 from the through grooves 2 of the central cylinder 1, a part of the materials entering the central cylinder 1 slide out from the through grooves 2 of the central cylinder 1 after rotating for a certain angle along with the central cylinder 1, the slipped materials enter the next cycle from the material lifting shoveling plates, and the dried materials are carried out in each cycle. Compared with the free-falling type falling of materials after falling from the shoveling plate in the prior art, the falling speed is high, and the contact time with hot air flow in the falling process is short, when the shoveling plate in the drying machine roller 3 is used for drying, part of materials on the material lifting shoveling plate slide off through the peripheral side wall of the central cylinder 1, the other part of materials enter the central cylinder 1 and slide out of the through groove 2 in the rotating process of the central cylinder 1, and the falling time of the materials is prolonged under the blocking effect of the central cylinder 1 no matter what way the materials fall, so that the contact time of the materials and the hot air flow is prolonged, and the effect of improving the drying speed of the materials is finally achieved. The paths of the two parts of materials when falling are different, namely, one part of the materials can be in contact with hot air passing through the outside of the central cylinder 1, the materials entering the inside of the central cylinder 1 can be in contact with the hot air passing through the inside of the central cylinder 1, the utilization rate of the hot air is improved, and meanwhile the materials can be prevented from being accumulated together and being in contact with the hot air, so that the drying effect of the materials is improved.

Referring to fig. 1-2, the dryer provided in this embodiment further includes an anti-backfire device, the anti-backfire device includes a cylinder 8 and a discharging channel 9, a first end of the cylinder 8 is communicated with a second end of the fire inlet pipe 10, a second end of the cylinder 8 is rotatably connected with the drum 3 and is communicated with the inside of the drum 3, the discharging channel 9 is disposed in an inclined manner and penetrates through a wall of the cylinder 8, a first end of the discharging channel 9 is located outside the cylinder 8, and a second end of the discharging channel 9 extends into the drum 3 through the second end of the cylinder 8. So set up, can separate fire inlet pipe 10 and unloading passageway 9, fire inlet pipe 10 can not take place the problem of material jam again, and flame in fire inlet pipe 10 gets into barrel 8 after through the blockking and the buffer release of unloading passageway 9, controls to get into in the cylinder 3 along separate routes, and open flame disappears and changes into the heat energy air current, can directly intersect with material open flame for the drying-machine is better to the stoving effect of material. And can directly send into the material into the interior shoveling plate of cylinder 3 through unloading passageway 9 on, utilize the effect of cylinder 3 rotation and wind force, the material shifts forward at once, can not take place to pile up the problem among the unloading process.

In some embodiments, as shown in fig. 1, the dryer further includes a waste heat transfer pipe 30, the range includes a primary combustion furnace 16, a secondary combustion furnace 17 and a tertiary combustion furnace 11 which are sequentially communicated, and the first ends of the waste heat transfer pipe 30 and the fire inlet pipe 10 are communicated with the tertiary combustion furnace 11. The purpose of adding the secondary combustion furnace 17 is to make the furnace burn more fully. The purpose of adding the tertiary combustion furnace 11 is to realize the distribution of heat energy, and the surplus or residual heat energy of the furnace can be transmitted to other devices needing heat supply through the waste heat transmission pipeline 30 for use, such as a boiler, a heater and the like. Therefore, the energy utilization rate of the dryer is greatly improved.

In some embodiments, as shown in FIG. 6, the flue gas outlet duct of the carbonization furnace 22 is connected to the secondary combustion furnace 17 through a tail gas treatment device to provide pure combustible gas to the secondary combustion furnace 17. The tail gas processing device separates pure combustible gas from the tail gas discharged from the smoke outlet pipeline of the carbonization furnace 22. Combustible gas generated by carbonization is introduced into a stove of the dryer to be filled with the combustible gas, so that energy waste is effectively avoided.

In some embodiments, as shown in fig. 6, the tail gas treatment device includes an air inlet pipeline 21, a first liquid storage device 25, a second liquid storage device 26, a third liquid storage device 27, and an air storage device 23, a condensation tower 12, a water curtain spray device, and a blower 24, which are sequentially connected, wherein one side of the lower end of the air inlet pipeline 21 is connected to the smoke outlet pipeline of the carbonization furnace 22, the top end of the air inlet pipeline 21 is connected to the air storage device 23, the blower 24 is connected to the secondary combustion furnace 17, the bottom end of the air inlet pipeline 21 is connected to the first liquid storage device 25, the air storage device 23 is connected to the second liquid storage device 26, and the condensation tower 12 is connected to the third liquid storage device 27.

In some embodiments, as shown in fig. 7, the water curtain spraying device includes a first housing 1301, a group of horizontal louvers 1306, a spraying group, a conical funnel 1302, and a conical cap 1303, wherein the group of horizontal louvers 1306, the spraying group, the conical funnel 1302, and the conical cap 1303 are sequentially disposed in the first housing 1301 from top to bottom along a height direction of the first housing 1301, the conical funnel 1302 and the conical cap 1303 are coaxially disposed with the first housing 1301, a smaller end of the conical funnel 1302 is disposed opposite to a smaller end of the conical cap 1303, a top end of the first housing 1301 is provided with a first air outlet 1304, a lower end side of the first housing 1301 is provided with a first air inlet 1305, a height of the first air inlet 1305 is lower than a height of the conical cap 1303, the group of horizontal louvers 1306 includes a plurality of horizontal louvers 1306 overlapped along the height direction of the first housing 1301 (the horizontal louvers 1306 means horizontally disposed louvers, the specific structure of shutter belongs to prior art, and no longer gives details), and the shower group includes a plurality of shower heads 1307 that set up along the circumference of first casing 1301. In fig. 7, specifically, the spray headers 1307 are spiral spray headers 1307, and the number of the spray headers 1307 is 4.

In the use process, the air flow in the water curtain spraying device 13 is from bottom to top, and the spraying is from top to bottom. The spraying water leaks into the conical funnel 1302 to form a circular bucket type water curtain from big to small, the spraying water is arranged in the middle, and when the airflow flows from bottom to top, the spraying water must pass through the water curtain to be washed. Conical cap 1303 is arranged below conical funnel 1302, airflow flows upwards from the space between conical cap 1303 and the side wall of first shell 1301, an S-shaped airflow curve is formed between the airflow and conical funnel 1302, a circular bucket water curtain flows into conical cap 1303 to form a large water curtain, smoke is washed by the water curtains twice and flows upwards, and dust is rapidly settled. The spiral spray header 1307 forms a 360-degree mist spray without dead angles, and the air flow reaches the space, is decompressed and released, and is sprayed and purified again from the space. The horizontal louvers 1306 act to block wind from blowing too fast and increase smoke residence time.

In fig. 7, specifically, the number of the horizontal louvers 1306 is two, and the vane directions of the two horizontal louvers 1306 are different, so that the smoke staying time can be further increased.

In some embodiments, as shown in fig. 7, the first housing 1301 is provided with a waste drain and overflow 1308. In this embodiment, specifically, a weir 1308 is provided on the lower end side of the first case 1301. The concrete position of drain is decided according to the circumstances, as long as can conveniently clear up mud can, and when need not carry out blowdown processing, the drain is closed.

In some embodiments, the water curtain spray device 13 further comprises a water tank, a water outlet of the water tank is communicated with each spray header 1307 through a water pump to supply water to each spray header 1307, a water inlet of the water tank is communicated with the overflow port 1308, and a sewage treatment device is arranged in the water tank. Thus, the spray water is recycled, the water in the water tank is pumped to the spray header 1307 by the water pump for spraying, and the water flows into the water tank from the overflow gap 1308 for recycling. In addition, in the present embodiment, the sewage treatment device specifically selects three filter screens in the water tank, the mesh sizes of the three filter screens decrease progressively, and the water discharged from the overflow port 1308 is filtered by the three filter screens in sequence and then is completely purified. In addition, in actual use, water can be naturally consumed and evaporated, and the water quantity needs to be supplemented to meet the water level requirement in time.

In some embodiments, as shown in fig. 8, the condensing tower 12 includes a second housing 1201, a partition 1202, a first condensing tube 1203, and a plurality of second condensing tubes 1204, the second housing 1201 includes an upper cavity, a hollow cavity, and a lower cavity 1205 that are vertically disposed, the partition 1202 is vertically disposed in the upper cavity and divides the upper cavity into a first cavity 1208 and a second cavity 1209 that are independent of each other, the hollow cavity has a plurality of first condensing tubes 1203 and a plurality of second condensing tubes 1204 disposed side by side, each first condensing tube 1203 and each second condensing tube 1204 are disposed along a height direction of the first cavity 1208, two ends of each first condensing tube 1203 are respectively communicated with the first cavity 1201 and the lower cavity 1205, two ends of each second condensing tube 1204 are respectively communicated with the second cavity 1209 and the lower cavity 1205, a second air inlet 1206 communicated with the first cavity 1208 is formed on the second housing, the second air inlet 1206 is communicated with the air storage 23, a second air outlet 1207 communicated with the second cavity 1209 is formed in the second casing 1201, and a liquid outlet is formed in the bottom end of the second casing 1201 and communicated with the third liquid storage device 27. In fig. 8, specifically, the number of the first condensation pipe 1203 and the number of the second condensation pipe 1204 are 41, and the first condensation pipe 1203 and the second condensation pipe 1204 both adopt water cooling, and how to realize the water cooling belongs to the prior art, for example, cooling water pipes may be respectively sleeved outside the first condensation pipe 1203 and the second condensation pipe 1204, and cooling water is introduced into the cooling water pipes to realize cooling of the first condensation pipe 1203 and the second condensation pipe 1204. In a specific use process, when smoke enters the first condensation pipe 1203 from top to bottom and is cooled to reach a lower space and relieve the smoke, the smoke turns around the second condensation pipe 1204 on the other side to flow upwards for cooling and separation, and a U-shaped cooling effect is formed. The condensed tar acetic acid liquid is adhered to the tube wall and flows downwards to be discharged into a third liquid storage device 27 at the bottom.

In some embodiments, the first liquid storage device 25, the second liquid storage device 26, the third liquid storage device 27, and the gas storage device 23 are all hollow shell structures, and a liquid outlet is formed at the bottom end of the gas storage device 23 and is communicated with the second liquid storage device 26.

In some embodiments, as shown in fig. 8, the condensing tower 12 includes a second housing 1201, a partition 1202, a first condensing tube 1203, and a plurality of second condensing tubes 1204, the second housing 1201 includes an upper cavity, a middle cavity, and a lower cavity 1205 sequentially arranged from top to bottom, the partition 1202 is vertically arranged in the upper cavity and divides the upper cavity into a first cavity 1208 and a second cavity 1209 independent of each other, the hollow cavity is internally provided with the plurality of first condensing tubes 1203 and the plurality of second condensing tubes 1204 side by side, each first condensing tube 1203 and each second condensing tube 1204 are arranged along the height direction of the hollow cavity, two ends of each first condensing tube 1203 are respectively communicated with the first cavity 1208 and the lower cavity 1205, two ends of each second condensing tube 1204 are respectively communicated with the second cavity 1209 and the lower cavity 1205, the second housing is provided with a second air inlet 1206 communicated with the first cavity 1208, the second air inlet 1206 is communicated with the air storage 23, a second air outlet 1207 communicated with the second cavity 1209 is formed in the second casing 1201, and a liquid outlet is formed in the bottom end of the second casing 1201 and communicated with the third liquid storage device 27.

The main emissions of the smoke outlet pipeline of the carbonization furnace 22 are combustible gas, tar, vinegar liquid and smoke dust. In the first stage of the specific use process, combustible gas, tar, vinegar liquid and smoke dust discharged from the smoke outlet pipeline enter the air inlet pipeline 21 from low to high, and liquid tar and vinegar liquid naturally settle and flow into the first liquid storage device 25 in the process; in the second stage, the gas storage device 23 is in a normal temperature device, tar and vinegar liquid enter the gas storage device 23 and then are cooled and separated out, and the separated tar and vinegar liquid flow into the second liquid storage device 26 under the action of gravity; thirdly, after the second-stage treatment is finished, the residual tar and vinegar liquid are condensed and separated out when passing through the condensing tower 12, and the separated tar and vinegar liquid flow into the third liquid storage device 27 under the action of gravity; through the first stage treatment, the second stage treatment and the third stage treatment, tar and vinegar liquid are completely separated out, the fourth stage is mainly used for treating smoke dust, and the smoke dust is removed by the second water curtain spraying device 13, so that the standard emission can be achieved.

In some embodiments, as shown in fig. 3, a spiral plate 6 spirally extending along the inner wall of the circumference of the central cylinder 1 is provided in the central cylinder 1. The length of the spiral plate 6 is equal to or greater than the length of the through groove 2. By arranging the spiral plate 6, part of hot air flows spirally run along the spiral plate 6, and a component along the radial direction of the central cylinder 1 is generated under the action of centrifugal force, namely, the through groove 2 is arranged in the central cylinder 1, part of hot air flows are sprayed out from the inside of the central cylinder 1 through the through groove 2, the hot air sprayed out from the through groove 2 is combined with falling materials, the combination time with the materials is further prolonged, and the drying efficiency of the materials is improved.

In some embodiments, as shown in fig. 3, each lifter plate includes a first lifter plate 4 and a second lifter plate 5, the first lifter plate 4 and the second lifter plate 5 are fixedly connected and form a folded structure, the first lifter plate 4 is used for abutting against the inner wall of the drum 3, and a gap is formed between the second lifter plate 5 and the outer circumferential side wall of the central cylinder 1. Referring to the drawings, in the rotating process, the material is located between the first shoveling plate 4 and the inner wall of the dryer roller 3, the second shoveling plate 5 can block the material on the first shoveling plate 4 from sliding off, and when the dryer roller 3 rotates to which angle, the material on the material lifting shoveling plate can be controlled to spread and sprinkle by setting the included angle between the first shoveling plate 4 and the second shoveling plate 5. For example, when the first board 4 and the second board 5 are coplanar, the first board 4 is at a critical point when it is horizontal, and the spreading is performed at the next time. In the figure, the included angle between the first shoveling plate 4 and the second shoveling plate 5 enables materials to be spread from the highest point of the central cylinder 1, so that the falling time of the materials is prolonged. In some embodiments, the first shoveling plate 4 and the second shoveling plate 5 are of a metal plate integrated structure, or are fixedly connected with each other by welding.

In some embodiments, the length of each through slot 2 is one half of the length of the central cylinder 1. So, the nearly half material of lifting shovelling plate slips from 1 circumference outer wall of center tube, and nearly half material enters into inside 1 of center tube.

In some embodiments, as shown in fig. 5, each of the lifter plates is welded to the inner circumferential wall of the drum 3, each of the lifter plates is connected to the central cylinder 1 through a first connecting column 7, one end of the first connecting column 7 is fixedly connected to the lifter plate, and the other end of the first connecting column 7 is fixedly connected to the central cylinder 1, and optionally, each of the lifter plates is connected to the central cylinder 1 through two first connecting columns 7. So set up, can be earlier with the back of completing the shoveling plate welding in the drying-machine cylinder 3, put into drying-machine cylinder 3 again to be more convenient for process, and convenient to use. Of course, in other embodiments, the material lifting shovelling plates and the central barrel 1 may also be fixedly connected to the circumferential inner wall of the dryer drum 3, specifically, each material lifting shovelling plate is welded to the circumferential inner wall of the drum 3, the central barrel 1 is fixedly connected to the circumferential inner wall of the drum 3 through a second connecting column, one end of the second connecting column is fixedly connected to the circumferential inner wall of the drum 3 through a welding method, and the other end of the second connecting column is fixedly connected to the central barrel 1 through a welding method. The number of the second connecting columns can be multiple.

In some embodiments, as shown in fig. 2, the anti-backfire device further comprises a bracket 19 formed by welding section steels, and the cylinder 8 is mounted on the bracket 19. The cylinder 8 can be supported and fixed by the bracket 19.

In some embodiments, as shown in fig. 2, the first end of the blanking channel 9 is provided with a hopper 20 having an inverted cone shape. The hopper 20 is arranged to facilitate the addition of the materials into the blanking channel 9, so that the materials are prevented from being scattered to the outside.

In some embodiments, the cross section of the blanking channel 9 perpendicular to the axial direction of the blanking channel 9 is rectangular.

In some embodiments, as shown in fig. 2, a cover plate 15 is disposed at a first end of the cylinder 8, the cover plate 15 is fixedly connected with the cylinder 8, a through hole is disposed at the center of the cover plate 15, and the fire inlet pipe 10 is welded to the cover plate 15 and is communicated with the through hole; the diameter of the cylinder 8 is the same as the diameter of the drum 3.

In some embodiments, the barrel 8 and the fire inlet pipe 10 are fixedly connected by welding. Optionally, the first end of the cylinder 8 is provided with a cover plate 15, and the cover plate 15 may be fixedly connected with the cylinder 8 by welding. The center of the cover plate 15 is provided with a through hole, and the fire inlet pipeline 10 is connected with the cover plate 15 in a welding way and is communicated with the through hole.

In some embodiments, as shown in fig. 2, the anti-backfire device further comprises a connecting rod 14, the connecting rod 14 is disposed inside the barrel 8, and one end of the connecting rod 14 is fixedly connected to the barrel 8, and the other end is connected to the discharging channel 9. So set up, connecting rod 14 can play the effect of supporting unloading passageway 9, increases the rigidity of unloading passageway 9. Optionally, the connecting rod 14 is a channel steel, one end of which is welded to the outer side wall of the blanking channel 9, and the other end of which is welded to the cover plate 15 at the first end of the cylinder 8. In other embodiments, the number of the connecting rods 14 is two, and the two connecting rods 14 are respectively arranged on two sides of the blanking channel 9.

The principle and the implementation mode of the present invention are explained by applying specific examples in the present specification, and the above descriptions of the examples are only used to help understanding the method and the core idea of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.

Claims

1. A dryer, characterized by comprising:

a cooking range;

the first end of the fire inlet pipeline is communicated with the stove;

a drum;

the driving device is in transmission connection with the roller so as to drive the roller to rotate;

the inner shoveling plate component is arranged inside the roller and comprises a plurality of inner shoveling plate bodies arranged along the axial direction of the roller, each inner shoveling plate body comprises a central barrel and a material lifting shoveling plate, the whole central barrel is of a cylindrical structure, a plurality of through grooves are formed in the circumferential side wall of the central barrel, each through groove extends along the axial direction of the central barrel and penetrates through the barrel wall of the central barrel, the length of each through groove along the axial direction of the central barrel is smaller than or equal to that of the central barrel, the plurality of through grooves are distributed along the circumferential direction of the central barrel, the number of the material lifting shoveling plates is multiple, one end of each material lifting shoveling plate abuts against the circumferential inner wall of the roller, a gap is formed between the other end of each material lifting shoveling plate and the central barrel, so that materials on the material lifting shoveling plates are spread on the outer circumferential side wall of the central barrel, the material lifting shoveling plates correspond to the through grooves one by one, so that part of materials on the material lifting shoveling plates slide down from the peripheral side wall of the central cylinder, the rest of materials enter the central cylinder from the corresponding through grooves, and the central cylinder and the material lifting shoveling plates are connected with the roller to synchronously rotate along with the roller;

the anti-backfire device comprises a barrel and a discharging channel, wherein a first end of the barrel is communicated with a second end of the fire inlet pipeline, a second end of the barrel is rotatably connected with a first end of the roller and is communicated with the interior of the roller, the discharging channel is obliquely arranged and penetrates through the wall of the barrel, the first end of the discharging channel is positioned outside the barrel, and the second end of the discharging channel extends into the roller through the second end of the barrel;

the induced draft fan is communicated with the second end of the roller;

the upper part of the separating cylinder is communicated with the suction fan, the top end of the separating cylinder is connected with an exhaust pipe, and the bottom end of the separating cylinder is provided with a discharge hole.

2. The dryer of claim 1, further comprising a waste heat transfer duct, wherein the range comprises a primary combustion furnace, a secondary combustion furnace and a tertiary combustion furnace which are sequentially communicated, and the first ends of the waste heat transfer duct and the fire inlet duct are communicated with the tertiary combustion furnace.

3. The dryer of claim 2 wherein the flue outlet duct of the retort is in communication with the after-combustion furnace via a tail gas treatment device to provide a clean combustible gas to the after-combustion furnace.

4. The dryer as claimed in claim 3, wherein the tail gas treatment device comprises an air inlet pipeline, a first liquid storage device, a second liquid storage device, a third liquid storage device, and an air storage device, a condensation tower, a water curtain spray device and a fan which are sequentially connected, wherein one side of the lower end of the air inlet pipeline is connected with the smoke outlet pipeline of the carbonization furnace, the top end of the air inlet pipeline is connected with the air storage device, the fan is connected with the secondary combustion furnace, the bottom end of the air inlet pipeline is connected with the first liquid storage device, the air storage device is connected with the second liquid storage device, and the condensation tower is connected with the third liquid storage device.

5. The dryer of claim 4, wherein the water curtain spraying device comprises a first housing, a horizontal louver group, a spraying group, a conical funnel and a conical cap, the horizontal louver group, the spraying group, the conical funnel and the conical cap are sequentially arranged in the first housing from top to bottom along the height direction of the first housing, the conical funnel and the conical cap are coaxially arranged with the first housing, the smaller end of the conical funnel and the smaller end of the conical cap are oppositely arranged, the top end of the first housing is provided with a first air outlet, one side of the lower end of the first housing is provided with a first air inlet, the height of the first air inlet is lower than that of the conical cap, the horizontal louver group comprises a plurality of horizontal louvers which are arranged in an overlapped manner along the height direction of the first housing, the spraying group comprises a plurality of spraying heads arranged along the circumferential direction of the first shell.

6. The dryer according to claim 4, wherein the condensing tower comprises a second housing, a partition, a first condensing pipe and a plurality of second condensing pipes, the second housing comprises an upper cavity, a middle cavity and a lower cavity which are sequentially arranged from top to bottom, the partition is vertically arranged in the upper cavity and divides the upper cavity into a first cavity and a second cavity which are independent of each other, the hollow cavity is internally provided with the plurality of first condensing pipes and the plurality of second condensing pipes side by side, each first condensing pipe and each second condensing pipe are arranged along the height direction of the middle cavity, two ends of each first condensing pipe are respectively communicated with the first cavity and the lower cavity, two ends of each second condensing pipe are respectively communicated with the second cavity and the lower cavity, the second housing is provided with a second air inlet communicated with the first cavity, the second air inlet is communicated with the air storage device, the second shell is provided with a second air outlet communicated with the second cavity, the bottom end of the second shell is provided with a liquid outlet, and the liquid outlet is communicated with the third liquid storage device.

7. The dryer of claim 1, wherein a spiral plate is provided in the central cylinder to extend spirally along a circumferential inner wall of the central cylinder.

8. The dryer of claim 1, wherein each of the lifter shoveling plates comprises a first shoveling plate and a second shoveling plate, the first shoveling plate and the second shoveling plate are fixedly connected and form a folding structure, the first shoveling plate is used for abutting against the inner wall of the drum, a gap is formed between the second shoveling plate and the outer circumferential side wall of the central drum, and the length of each through groove is one half of the length of the central drum.

9. The dryer according to claim 1, wherein each of the material lifting shovelling plates is welded to the inner wall of the circumference of the drum, each of the material lifting shovelling plates is connected to the central cylinder through a first connecting column, one end of the first connecting column is fixedly connected to the material lifting shovelling plate, and the other end of the first connecting column is fixedly connected to the central cylinder.

10. The dryer of claim 1, wherein the anti-backfire means further comprises a bracket welded by section steel, the drum being mounted on the bracket; the first end of the blanking channel is provided with an inverted cone-shaped hopper, and the cross section of the blanking channel, which is perpendicular to the axial direction of the blanking channel, is rectangular; the first end of the cylinder body is provided with a cover plate, the cover plate is fixedly connected with the cylinder body, the center of the cover plate is provided with a through hole, and the fire inlet pipeline is welded with the cover plate and is communicated with the through hole; the diameter of the cylinder is the same as that of the roller.