Efficient biomass drying system

Abstract

The invention discloses an efficient biomass drying system which comprises a main body assembly and a drying assembly, the main body assembly comprises a tank body, a feeding pipe and a discharging pipe, the feeding pipe is fixed to the top of the tank body, the discharging pipe is located in the tank body, and the drying assembly is arranged on one side of the tank body and comprises a conveying part, a device frame, a driving part, a rotating part, a drying part and a recycling part. The material conveying piece is arranged on the outer side of the feeding pipe, and the device frame is fixed in the tank body. The device has the beneficial effects that through the arrangement of the drying assembly, hot air of the device makes contact with materials through gaps between the bridge deck slabs for heat exchange and drying to take away moisture, waste is avoided through heat value efficiently utilized, and therefore the heat value utilization rate and the productivity of the device are improved; and parameters such as the rotating speed of the rotary hearth and the angle of a material pouring plate of the material pouring device are reasonably designed, so that the retention time of the materials in the rotary hearth can be accurately controlled, and the materials are fully dried to the level required by downstream equipment.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of energy saving technology, in particular to a high-efficiency biomass drying system. BACKGROUND

[0002] With the development of renewable energy, biomass energy is gradually becoming one of the important alternative energy sources of traditional fossil energy due to its renewable, low-carbon and environmentally friendly characteristics; biomass resources are diverse, including straw, rice husk, sawdust, bark, etc.; in the biomass green methanol conversion process, drying of biomass is a very critical process step, therefore, efficient and stable drying treatment of biomass materials to control the moisture content within the range required by the subsequent process is of great significance for improving the utilization efficiency of biomass energy, reducing production cost and reducing environmental pollution. The existing biomass drying equipment is mainly chain plate type dryer, which has low drying efficiency, very small processing capacity, and the residence time of the material in the equipment is difficult to accurately control, resulting in unsatisfactory drying effect, low heat energy utilization rate, etc., which cannot meet the requirements of green methanol production process. SUMMARY

[0003] This section aims to summarize some aspects of the embodiments of the present application and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract and title of the specification to avoid obscuring the purpose of this section, abstract and title, and such simplifications or omissions cannot be used to limit the scope of the present application.

[0004] In view of the above and / or existing problems in the biomass drying system, the present application is proposed.

[0005] Therefore, the problem to be solved by the present application is that the existing device has low drying efficiency, very small processing capacity, and the residence time of the material in the equipment is difficult to accurately control, resulting in unsatisfactory drying effect, low heat energy utilization rate, etc., which cannot meet the requirements of green methanol production process.

[0006] To solve the above technical problems, the present application provides the following technical scheme: a high-efficiency biomass drying system, comprising a main component, including a tank body, a feeding pipe and a discharging pipe, the feeding pipe is fixed on the top of the tank body, and the discharging pipe is located inside the tank body; a drying assembly is arranged on one side of the tank body, comprising a feeding member, a device frame, a driving member, a rotating member, a drying member and a recovery member, the feeding member is arranged outside the feeding pipe, the device frame is fixed inside the tank body, the driving member is arranged on one side of the device frame, the rotating member is located on one side of the driving member, the drying member is arranged on one side of the tank body, and the recovery member is located on one side of the tank body.

[0007] As a preferred scheme of the biomass drying system, the feeding device comprises a feeding box, and the feeding box is fixed to the end of the feeding pipe.

[0008] As a preferred scheme of the biomass drying system, the feeding device further comprises a first motor and a screw rod, the first motor is fixed to one side of the feeding box, and the end of the screw rod is connected with the output end of the first motor.

[0009] As a preferred scheme of the biomass drying system, the driving device comprises a second motor and a first gear, the second motor is fixed to the bottom of the device frame, and the first gear is connected with the output end of the second motor.

[0010] As a preferred scheme of the biomass drying system, the rotating device comprises a sinking pipe and a second gear, the sinking pipe is fixed to one side of the device frame, the second gear is rotatably connected to the outer side of the sinking pipe, and the second gear is engaged with the first gear.

[0011] As a preferred scheme of the biomass drying system, the rotating device further comprises a furnace bed and a connecting plate, the furnace bed is rotatably connected to the outer side of the sinking pipe, and the connecting plate is fixed to the second gear and the furnace bed respectively.

[0012] As a preferred scheme of the biomass drying system, the rotating device further comprises a material pouring ring and a material guiding plate, the material pouring ring is fixed in the tank body, and the material guiding plate is fixed to the top of the furnace bed.

[0013] As a preferred scheme of the biomass drying system, the drying device comprises a hot blast furnace and an air guiding pipe, the hot blast furnace is located at one side of the tank body, and the air guiding pipe is fixed to the outer side of the hot blast furnace.

[0014] As a preferred scheme of the biomass drying system, the drying device further comprises a temperature sensor and an electric regulating valve, the temperature sensor is fixed to the outer side of the air guiding pipe, and the electric regulating valve is fixed to one side of the temperature sensor.

[0015] As a preferred scheme of the biomass drying system, the recycling device comprises an exhaust pipe, a separator and a recycling tank, the exhaust pipe is fixed to the top of the tank body, the separator is fixed to the outer side of the exhaust pipe, and the recycling tank is fixed to the bottom of the separator.

[0016] The present application has the beneficial effects that: through the setting of the drying assembly, the hot gas of the device is in contact with the materials through the gap between the bridge panels to exchange heat and dry the materials to take away the moisture, the heat value is efficiently utilized to avoid waste, thereby improving the heat value utilization rate and production capacity of the device, and through reasonable design of the rotation speed of the rotary furnace bed and the angle of the material pouring plate of the material pouring device and other parameters, the residence time of the materials in the rotary furnace bed can be accurately controlled, so that the materials are fully dried to the required level of the downstream equipment. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the embodiment description will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor. Among them: Figure 1 It is a structural diagram of the biomass drying system; Figure 2 It is a structural diagram of the biomass drying system Figure 1 It is an enlarged structural diagram of position A in the middle; Figure 3 It is a cross-sectional structural diagram of the gas guide pipe of the biomass drying system; Figure 4 It is a structural diagram of the biomass drying system Figure 3 It is an enlarged structural diagram of position B in the middle; Figure 5 It is a structural diagram of the biomass drying system Figure 3 It is an enlarged structural diagram of position C in the middle; Figure 6 It is a structural diagram of the biomass drying system Figure 3 It is an enlarged structural diagram of position D in the middle; Figure 7 It is a structural diagram of the device frame and the gas guide pipe of the biomass drying system.

[0018] In the drawings, the meanings of the reference signs are as follows: 100, main body assembly; 200, drying assembly; 101, tank body; 102, feeding pipe; 103, discharging pipe; 201, material conveying part; 202, device frame; 203, driving part; 204, rotating part; 205, drying part; 206, recovery part; 201a, material conveying box; 201b, first motor; 201c, screw rod; 203a, second motor; 203b, first gear; 204a, sinking pipe; 204b, second gear; 204c, furnace bed; 204d, connecting plate; 204e, material pouring ring; 204f, material guide plate; 205a, hot blast stove; 205b, gas guide pipe; 205c, temperature sensor; 205d, electric regulating valve; 206a, exhaust pipe; 206b, separator; 206c, recovery tank. DETAILED DESCRIPTION

[0019] In order to make the above objectives, features and advantages of the present application more obvious and comprehensible, the specific embodiments of the present application will be described in detail below with reference to the accompanying drawings.

[0020] In the following description, a lot of specific details are set forth in order to provide a thorough understanding of the present application, but the present application can also be implemented in other ways different from those described herein, and those skilled in the art can make similar generalizations without departing from the spirit of the present application, therefore the present application is not limited to the specific embodiments disclosed below.

[0021] Secondly, the "one embodiment" or "embodiment" referred to herein means that the specific features, structures or characteristics can be included in at least one implementation of the present application. "In one embodiment" appearing in different places in the specification does not mean the same embodiment, nor is it an embodiment that is separate or alternative to other embodiments.

[0022] Embodiment 1 Referring to Figure 1 , Figure 2 , Figure 5 , Figure 6 , the first embodiment of the present application provides a high-efficiency biomass drying system, which comprises a main body assembly 100 and a drying assembly 200, which cooperate with each other to improve the heat value utilization rate and production capacity of the device.

[0023] Specifically, the main body assembly 100 comprises a tank body 101, a feeding pipe 102 and a discharging pipe 103, the feeding pipe 102 is fixed on the top of the tank body 101, and the discharging pipe 103 is located inside the tank body 101.

[0024] The tank body 101 is cylindrical, and the material is transported into the tank body 101 for processing through the feeding pipe 102, which is a prior art and will not be described in detail.

[0025] Specifically, the drying assembly 200 is arranged on one side of the tank body 101 and comprises a feeding member 201, a device frame 202, a driving member 203, a rotating member 204, a drying member 205 and a recycling member 206. The feeding member 201 is arranged outside the feeding pipe 102, the device frame 202 is fixed inside the tank body 101, the driving member 203 is arranged on one side of the device frame 202, the rotating member 204 is located on one side of the driving member 203, the drying member 205 is arranged on one side of the tank body 101, and the recycling member 206 is located on one side of the tank body 101.

[0026] The device can quickly convey materials into the tank body 101 through the arrangement of the material conveying part 201, avoids the adhesion of damp materials on the surface of the feeding pipe 102, and thus avoids the blockage of the feeding pipe 102, improves the work efficiency, and drives the materials to rotate through the device frame 202, the driving part 203 and the rotating part 204, so as to accurately control the residence time of the materials in the rotary furnace bed, so that the materials can be fully dried to the level required by the downstream equipment, and the heat value utilization rate and the production capacity of the device are improved through the arrangement of the drying part 205, and the heat value utilization efficiency of the device is improved through the arrangement of the recycling part 206, and resource waste is avoided.

[0027] Embodiment 2 Reference Figures 1 to 6 For the second embodiment of the application, this embodiment is based on the previous embodiment.

[0028] Specifically, the material conveying part 201 comprises a material conveying box 201a, and the material conveying box 201a is fixed to the end of the feeding pipe 102.

[0029] The material conveying box 201a is in the shape of a round box, and the materials enter the feeding pipe 102 through the material conveying box 201a, and then enter the tank body 101 for processing. The opening of the material conveying box 201a is larger than the feeding pipe 102, so as to facilitate the pouring of materials and avoid the spilling of materials.

[0030] Specifically, the material conveying part 201 further comprises a first motor 201b and a screw rod 201c, the first motor 201b is fixed to one side of the material conveying box 201a, and the end of the screw rod 201c is connected with the output end of the first motor 201b.

[0031] The screw rod 201c rotates in the feeding pipe 102, and the first motor 201b drives the screw rod 201c to rotate, so that the screw rod 201c drives the material conveying box 201a and the materials in the feeding pipe 102 to quickly fall, improving the work efficiency and avoiding the adhesion of damp materials on the surface of the feeding pipe 102, and thus avoiding the blockage of the feeding pipe 102.

[0032] Specifically, the driving part 203 comprises a second motor 203a and a first gear 203b, the second motor 203a is fixed to the bottom of the device frame 202, and the first gear 203b is connected with the output end of the second motor 203a.

[0033] The output end of the second motor 203a penetrates through the bottom of the device frame 202 and is fixed with the first gear 203b at the top of the device frame 202.

[0034] Specifically, the rotating member 204 comprises a sinking pipe 204a and a second gear 204b, the sinking pipe 204a is fixed to one side of the device frame 202, the second gear 204b is rotatably connected to the outside of the sinking pipe 204a, and the second gear 204b is engaged with the first gear 203b.

[0035] The sinking pipe 204a penetrates the top of the device frame 202 and is fixed with the discharge pipe 103, the dried material is output from the discharge pipe 103 through the sinking pipe 204a, the second gear 204b is larger than the first gear 203b, the first motor 203a drives the first gear 203b to rotate, and the first gear 203b drives the second gear 204b to rotate.

[0036] Specifically, the rotating member 204 further comprises a hearth 204c and a connecting plate 204d, the hearth 204c is rotatably connected to the outside of the sinking pipe 204a, and the connecting plate 204d is fixed to the second gear 204b and the hearth 204c at both ends.

[0037] The hearth 204c is provided with a discharging groove corresponding to the sinking pipe 204a, the surface of the hearth 204c is provided with multiple gaps, the number of the connecting plates 204d is four, and the hearth 204c can rotate with the second gear 204b through the arrangement of the connecting plates 204d, and the stability of the hearth 204c during rotation is improved.

[0038] Embodiment 3 Referring to Figure 1 , Figure 2 and Figure 6 , this is the third embodiment of the present application, which is based on the first two embodiments.

[0039] Specifically, the rotating member 204 further comprises a material pouring ring 204e and a material guide plate 204f, the material pouring ring 204e is fixed in the tank body 101, and the material guide plate 204f is fixed to the top of the hearth 204c.

[0040] Through the arrangement of the material pouring ring 204e, the material pouring ring 204e can avoid the situation that the material is scattered, and through the arrangement of the material pouring ring 204e, the material can be moved to the center of the hearth 204c, the number of the material guide plates 204f is four, and through the arrangement of the material guide plates 204f, the material can move to the center automatically, thereby facilitating the discharging.

[0041] Specifically, the drying member 205 comprises a hot blast stove 205a and an air guide pipe 205b, the hot blast stove 205a is located on one side of the tank body 101, and the air guide pipe 205b is fixed to the outside of the hot blast stove 205a.

[0042] The hot blast furnace 205a is in a cylindrical shape, the air guide pipe 205b is made of a high-temperature-resistant steel pipe, is connected with the exhaust port of the boiler and the air inlet of the material drying equipment, the inner wall of the pipe is provided with a heat preservation layer, the outer wall is wrapped with a heat insulation board, one end of the air guide pipe 205b is connected with the hot blast furnace 205a, the other end of the air guide pipe 205b penetrates through the tank body 101 and is bifurcated into two sections of air guide pipes in the tank body 101, the hot air in the hot blast furnace 205a is transported into the tank body 101 through the air guide pipe 205b, and the hot air is blown to the hearth 204c through the air guide pipe 205b, the hot air rises through the gaps of the hearth 204c, fully contacts with the rotating material in a drying mode, and the drying efficiency and the uniformity of the material drying are improved.

[0043] Specifically, the drying part 205 further comprises a temperature sensor 205c and an electric regulating valve 205d, the temperature sensor 205c is fixed to the outside of the air guide pipe 205b, and the electric regulating valve 205d is fixed to one side of the temperature sensor 205c.

[0044] Through the setting of the temperature sensor 205c and the electric regulating valve 205d, the device can control the hot air flow and monitor the hot air temperature, thereby improving the efficiency of material drying, and avoiding the waste of resources.

[0045] Specifically, the recovery part 206 comprises an exhaust pipe 206a, a separator 206b and a recovery tank 206c, the exhaust pipe 206a is fixed to the top of the tank body 101, the separator 206b is fixed to the outside of the exhaust pipe 206a, and the recovery tank 206c is fixed to the bottom of the separator 206b.

[0046] The exhaust pipe 206a is set to collect the dried gas, the separator 206b is set to separate and collect the solid particles and dust for centralized treatment, and the recovery tank 206c is set to centrally treat the solid particles and dust.

[0047] In use, the material enters the feeding pipe 102 through the feeding box 201a, and then enters the rotary drying bed through the feeding pipe 102. The second motor 203a is started, the first gear 203b is driven to rotate by the second motor 203a, the second gear 204b is driven to rotate by the first gear 203b, and the furnace bed 204c is driven to rotate at a set speed by the second gear 204b through the connecting plate 204d. With the rotation of the rotary furnace bed 204c, the material gradually moves to the center under the influence of the material pouring ring 204e. The material at the outlet of the feeding pipe 102 moves to the center under the action of the guide plate 204f. At the same time, the hot air in the hot air furnace 205a is transported into the tank body 101 through the air guide pipe 205b, and the hot air is blown to the furnace bed 204c through the air guide pipe 205b. The hot air rises through the gap of the furnace bed 204c and fully contacts with the material to dry the material. Finally, the material moves to the center under the action of the guide plate 204f, reaches the center position of the rotary furnace bed, and then is guided into the sinking pipe 204a in the center. The material enters the discharging pipe 103 through the sinking pipe 204a, and then completes the drying process and is discharged from the discharging pipe 103.

[0048] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, not to limit the present application. Although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or replaced by equivalents without departing from the spirit and scope of the present application, which should be covered by the scope of the claims of the present application.

Claims

1. A high-efficiency biomass drying system, characterized in that: include, The main component (100) includes a tank (101), a feed pipe (102) and a discharge pipe (103), wherein the feed pipe (102) is fixed to the top of the tank (101) and the discharge pipe (103) is located inside the tank (101); The drying assembly (200) is disposed on one side of the tank (101) and includes a conveying component (201), a device frame (202), a driving component (203), a rotating component (204), a drying component (205), and a recycling component (206). The conveying component (201) is disposed outside the feed pipe (102), the device frame (202) is fixed inside the tank (101), the driving component (203) is disposed on one side of the device frame (202), the rotating component (204) is located on one side of the driving component (203), the drying component (205) is disposed on one side of the tank (101), and the recycling component (206) is located on one side of the tank (101).

2. The high-efficiency biomass drying system as described in claim 1, characterized in that: The material conveying component (201) includes a material conveying box (201a), which is fixed to the end of the feed pipe (102).

3. The biomass drying system as described in claim 2, characterized in that: The material conveying component (201) also includes a first motor (201b) and a screw rod (201c). The first motor (201b) is fixed to one side of the material conveying box (201a), and the end of the screw rod (201c) is connected to the output end of the first motor (201b).

4. The high-efficiency biomass drying system as described in claim 3, characterized in that: The drive unit (203) includes a second motor (203a) and a first gear (203b). The second motor (203a) is fixed to the bottom of the device frame (202), and the first gear (203b) is connected to the output end of the second motor (203a).

5. The high-efficiency biomass drying system as described in claim 4, characterized in that: The rotating component (204) includes a sinking tube (204a) and a second gear (204b). The sinking tube (204a) is fixed to one side of the device frame (202), and the second gear (204b) is rotatably connected to the outside of the sinking tube (204a), and the second gear (204b) meshes with the first gear (203b).

6. The high-efficiency biomass drying system as described in claim 5, characterized in that: The rotating component (204) also includes a furnace bed (204c) and a connecting plate (204d). The furnace bed (204c) is rotatably connected to the outside of the sinking tube (204a). The two ends of the connecting plate (204d) are respectively fixed to the second gear (204b) and the furnace bed (204c).

7. The high-efficiency biomass drying system as described in claim 6, characterized in that: The rotating component (204) also includes a material pouring ring (204e) and a material guide plate (204f). The material pouring ring (204e) is fixed inside the tank (101), and the material guide plate (204f) is fixed to the top of the furnace bed (204c).

8. The high-efficiency biomass drying system as described in claim 6 or 7, characterized in that: The drying component (205) includes a hot air furnace (205a) and an air guide pipe (205b). The hot air furnace (205a) is located on one side of the tank (101), and the air guide pipe (205b) is fixed to the outside of the hot air furnace (205a).

9. The biomass drying system as described in claim 8, characterized in that: The drying component (205) also includes a temperature sensor (205c) and an electric regulating valve (205d). The temperature sensor (205c) is fixed to the outside of the air guide pipe (205b), and the electric regulating valve (205d) is fixed to one side of the temperature sensor (205c).

10. The high-efficiency biomass drying system as described in claim 9, characterized in that: The recycling component (206) includes an exhaust pipe (206a), a separator (206b), and a recycling tank (206c). The exhaust pipe (206a) is fixed to the top of the tank body (101), the separator (206b) is fixed to the outside of the exhaust pipe (206a), and the recycling tank (206c) is fixed to the bottom of the separator (206b).

Images