Self-propelled field waste crop straw picking combined briquetting machine

Abstract

The utility model discloses a self-propelled field waste crop straw picking combined briquetting machine which comprises a vehicle body, a picking and smashing mechanism, a straw conveying and preparing system, a self-heating system, a briquetting system and a transmission system. A feeding port of the auger spiral conveyor is in butt joint with a discharging port of the picking and smashing mechanism, the moisture content detector is arranged at the feeding port of the auger spiral conveyor, and the atomization nozzle is arranged at the upper end of the auger spiral conveyor and communicated with the water supply mechanism through a water conveying pipeline. The self-heating system is located below the straw conveying and blending system and provided with a combustion chamber, and heat is generated through the combustion chamber and used for heating the auger spiral conveyor. The self-heating system and the straw conveying and modulating system can directionally regulate and control the characteristics of straw materials so as to optimize straw compression forming process parameters, the best compression forming effect is achieved, and operation energy consumption is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a self -propelled field abandoned crop straw picking combined briquetting machine belongs to agricultural machinery field. BACKGROUND

[0002] China's straw resource is rich, and the straw amount of annual agricultural production is about 800 million tons. However, the loose structure and low density of straw lead to great difficulty and high cost in the links of collection, storage and transportation, and its large-scale utilization is seriously restricted. The straw compressed into shaped solid can significantly improve its transportation and storage capacity, which is an important way for large-scale utilization of straw. The density of straw shaped solid can reach 1000kg / m 3 , which is much higher than the bulk density of loose straw before densification 80-100kg / m 3 . At present, straw shaped solid products such as particles and briquettes are widely used in bio-refining industry through thermal and biochemical conversion.

[0003] Compared with loose straw, straw shaped solid is more stable in shape size, density, humidity and composition, which is beneficial to long-term storage. At the same time, straw shaped solid is suitable for automatic processing system, so as to improve the production efficiency of enterprises. At present, straw compression molding equipment (such as briquetting machine, granulator, etc.) is mainly fixed operation type, which needs to be equipped with various auxiliary equipment to complete the steps of straw crushing, conditioning, conveying, compression molding, cooling, packaging, etc. There are problems such as complicated process, high investment cost, etc. At the same time, limited by the collection radius of straw centralized processing point, the long-distance transportation of straw scattered in the field to the centralized processing point also significantly increases the cost of straw processing. Therefore, the development of self-propelled straw briquetting mechanical equipment in the field can significantly improve the straw processing and transportation efficiency, shorten the production cycle, and promote the comprehensive utilization of straw.

[0004] At present, mobile straw briquetting / granulator has been developed and applied in a small range, but the equipment has high requirements for the moisture content and crushing size of straw, and has problems such as poor machine working stability and high energy consumption in the use process. Therefore, it is urgent to develop a self-propelled straw compression molding equipment with higher adaptability and stability, so as to solve the problem of straw collection, storage and transportation, and promote the further transformation and value-added utilization of straw. CONTENT OF THE UTILITY MODEL

[0005] The utility model aims at providing a self-propelled field abandoned crop straw picking combined briquetting machine, which has high reliability, low cost, high adaptability to working environment, reduces the intermediate links of straw processing, and reduces the cost of straw processing.

[0006] In order to achieve the above object, the technical scheme adopted by the utility model is: a self-propelled field abandoned crop straw picking and rolling combined machine, comprising a vehicle body, a picking and crushing mechanism, a straw conveying and conditioning system, a self-heating system, a rolling system and a transmission system;

[0007] The straw conveying and conditioning system comprises an auger screw conveyor, a moisture content detector and an atomizing nozzle, the inlet of the auger screw conveyor is connected to the outlet of the picking and crushing mechanism, the moisture content detector is arranged at the inlet of the auger screw conveyor, and the atomizing nozzle is arranged at the upper end of the auger screw conveyor and is connected to the water supply mechanism through a water conveying pipeline.

[0008] The self-heating system is located below the straw conveying and conditioning system, and is provided with a combustion chamber for generating heat to heat the auger screw conveyor.

[0009] As a further preferred embodiment of the present application, the auger screw conveyor is provided with auger screw conveyor blades, the upper end surface of the auger screw conveyor is of a mesh structure, and the lower end surface is provided with a material dropping hole.

[0010] As a further preferred embodiment of the present application, the upper end surface of the auger screw conveyor is provided with a strip-shaped groove, and the atomizing nozzle is installed in the strip-shaped groove, and the atomizing nozzles are uniformly distributed and face the interior of the auger screw conveyor.

[0011] As a further preferred embodiment of the present application, the auger screw conveyor is provided with a detachable shielding cover around the auger screw conveyor, and a temperature sensor is arranged at the outlet of the auger screw conveyor.

[0012] As a further preferred embodiment of the present application, the water supply mechanism comprises a water tank, a water pump and a controller, water in the water tank is pumped out by the water pump and is delivered to the atomizing nozzle through the water conveying pipeline, and the controller is used for controlling the start and stop of the water pump according to the moisture content of the straw.

[0013] As a further preferred embodiment of the present application, the self-heating system comprises a chain wheel conveyor, a chain wheel scraper conveyor belt, a combustion chamber, a combustion chamber door, an ash filter screen, an air blowing port, an exhaust port and an ash cleaning mechanism, the chain wheel scraper conveyor belt is located inside the chain wheel conveyor, the air blowing port is located at the lower end of the rear side of the combustion chamber, the exhaust port is located at the upper end of the rear side of the combustion chamber, and the ash cleaning mechanism is located at the bottom of the combustion chamber.

[0014] As a further preferred embodiment of the present application, the ash cleaning mechanism comprises a driving motor, a crank connecting rod mechanism, a push ash rod and an ash blocking cover, one end of the crank connecting rod mechanism is connected to the driving motor, the other end is connected to the push ash rod, and the ash blocking cover is fixed to the upper end of the push ash rod.

[0015] As a further preferred embodiment of the present application, the vehicle body comprises a cab, a chassis and a walking mechanism, the cab is located at the front end of the briquetting machine, and the walking mechanism adopts wheels or caterpillar tracks.

[0016] As a further preferred embodiment of the present application, the pickup and crushing mechanism is located at the front end of the briquetting machine, and comprises a pickup device, a screw conveyor, a feeding mechanism, a crushing chamber, a crushing rotating shaft, rotating blades, fixed blades and a screen mesh; the pickup device is used for continuously picking up straws, the screw conveyor sends the straws to the feeding mechanism and then to the crushing chamber for crushing, and the crushed materials enter the straw conveying and conditioning system through the screen mesh.

[0017] As a further preferred embodiment of the present application, the transmission system comprises a first diesel engine, a second diesel engine, a belt pulley, an intermediate transmission shaft, a universal joint, a first gear reducer, a second gear reducer, a chain wheel conveyor main shaft, a crusher main shaft, a feeding mechanism transmission shaft, a pickup power shaft, a pickup device main shaft and a screw conveyor main shaft; the diesel engine is connected with the compression roller in the briquetting system through the first gear reducer, and is used for ensuring normal operation of the briquetting machine; the second diesel engine is connected with the intermediate transmission shaft through belt transmission, the intermediate transmission shaft is connected with the second gear reducer through belt transmission, the output shaft of the second gear reducer is connected with the auger screw conveyor through the universal joint, and the chain wheel conveyor main shaft is connected with the second gear reducer through belt transmission; the input shaft of the second gear reducer is connected with the crusher main shaft and the feeding mechanism transmission shaft through belt transmission, the intermediate transmission shaft is connected with the pickup power shaft through belt transmission, and the pickup power shaft is connected with the pickup device main shaft and the screw conveyor main shaft through belt transmission.

[0018] Compared with the prior art, the self-propelled field abandoned crop straw pickup and briquetting machine has the following beneficial effects:

[0019] (1) The self-propelled field abandoned crop straw pickup and briquetting machine has the advantages that the pickup, crushing, conditioning and briquetting of straws in the field are realized, the multiple steps of processing straws are integrated on one mechanical equipment, the straw processing efficiency is improved, and the processing cost is reduced.

[0020] (2) Compared with the prior art, the self-propelled field abandoned crop straw pickup and briquetting machine can directionally control the characteristics of straw materials to realize optimization of the straw compression molding process parameters, so that the best compression molding effect is achieved, and the operation energy consumption is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 is a side view of the self-propelled field abandoned crop straw pickup and briquetting machine according to an embodiment of the present application;

[0022] Figure 2 is a three-dimensional structure schematic view of the pickup and crushing mechanism of an embodiment of the present application;

[0023] Figure 3 is a three-dimensional structure schematic view of the straw conveying and conditioning system of an embodiment of the present application;

[0024] Figure 4 is a three-dimensional structure schematic view of the self-heating system of an embodiment of the present application;

[0025] Figure 5 is a connection view of the straw conveying and combustion chamber of an embodiment of the present application;

[0026] Figure 6 is a three-dimensional structure schematic view of the briquetting system of an embodiment of the present application;

[0027] Figure 7 is a three-dimensional structure schematic view of the transmission system of an embodiment of the present application;

[0028] Figure 8 is a three-dimensional structure schematic view of the self-propelled field waste crop straw pickup and briquetting machine of an embodiment of the present application.

[0029] The figure is marked: 1 - vehicle body, 2 - pick-up pulverizing mechanism, 3 - straw conveying conditioning system, 4 - self-heating system, 5 - briquetting system, 6 - transmission system, 101 - cab, 102 - chassis, 103 - traveling mechanism, 201 - pickup, 202 - auger conveyor, 203 - feeding mechanism, 204 - pulverizing chamber, 205 - pulverizing rotating shaft, 206 - rotating blade, 207 - fixed blade, 208 - screen, 301 - auger conveyor, 302 - moisture content detector, 303 - atomizing nozzle, 304 - shielding cover, 305 - water conveying pipeline, 306 - water tank, 307 - water pump, 308 - controller, 309 - temperature sensor, 310 - auger conveyor blade, 401 - chain wheel conveyor, 402 - combustion chamber, 403 - combustion chamber door, 404 - ash filter screen, 405 - air inlet, 406 - smoke outlet, 407 - ash cleaning mechanism, 408 - drive motor, 409 - crank connecting rod mechanism, 410 - ash pushing rod, 411 - ash blocking cover, 412 - chain wheel scraper conveyor belt, 501 - ring mold structure, 502 - compression roller, 503 - ring conveyor belt, 504 - collection box, 601 - first diesel engine, 602 - second diesel engine, 603 - pulley, 604 - intermediate transmission shaft, 605 - universal joint, 606 - first gear reducer, 607 - first gear reducer, 608 - chain wheel conveyor main shaft, 609 - pulverizer main shaft, 610 - feeding mechanism transmission shaft, 611 - pickup power shaft, 612 - pickup main shaft, 613 - auger conveyor main shaft. DETAILED DESCRIPTION

[0030] The utility model will be explained in detail below in combination with the drawings and specific embodiments.

[0031] As Figure 1 shown, a self-propelled field abandoned crop straw pickup combined briquetting machine, the briquetting machine includes vehicle body 1, pick-up pulverizing mechanism 2, straw conveying conditioning system 3, self-heating system 4, briquetting system 5, transmission system 6;The vehicle body includes cab 101, chassis 102, traveling mechanism 103, cab 101 is located at the front end of combined briquetting machine, and traveling mechanism 103 is wheel or track.

[0032] As Figure 2 shown, pick-up pulverizing mechanism 2 is located at the most front end of combined briquetting machine, and includes: pickup 201, auger conveyor 202, feeding mechanism 203, pulverizing chamber 204, pulverizing rotating shaft 205, rotating blade 206, fixed blade 207, screen 208;When combined briquetting machine works, pickup 201 continuously rotates and picks up straw, under the action of auger conveyor 202, the straw is sent into feeding mechanism 203 and is conveyed to pulverizing chamber 204 to be pulverized, and the pulverized material passes through screen 208 and enters straw conveying conditioning system 3.

[0033] AsFigure 3 As shown, the straw conveying and conditioning system 3 is located behind the crushing chamber 204 and above the straw self-heating system 4, and includes an auger screw conveyor 301, a moisture content detector 302, atomizing nozzles 303, a shielding cover 304, a water conveying pipeline 305, a water tank 306, a water pump 307, a controller 308, a temperature sensor 309, and auger screw conveyor blades 310. The upper end surface of the auger screw conveyor 301 is meshed, the moisture content detector 302 is arranged at the inlet of the auger screw conveyor 301, the atomizing nozzles 303 are uniformly arranged at the middle position of the upper end of the auger screw conveyor 301 and are connected to the water tank 306 through the water conveying pipeline 305, and the temperature sensor 309 is located at the outlet of the auger screw conveyor 301 and can detect the temperature of the material before entering the briquetting system 5. During operation, the crushed straw enters the auger screw conveyor 301. When the moisture content of the straw is higher than 25%, the shielding cover 304 can be manually opened to promote water evaporation. When the moisture content of the straw is lower than 15%, the controller 308 starts the water pump 307, and the water in the water tank 306 is sprayed from the atomizing nozzles 303 through the water conveying pipeline 305 to increase the moisture content of the straw. The straw conveying and conditioning system 3 sprays 50 kg of water for every ton of straw treated.

[0034] As Figure 4 and 5As shown, the self-heating system is located behind the crushing chamber 204, below the straw conveying and conditioning system 3, including: a chain wheel conveyor 401, a chain wheel scraper conveyor belt 412, a combustion chamber 402, a combustion chamber door 403, an ash filter screen 404, an air inlet 405, an exhaust port 406, an ash removal mechanism 407, the chain wheel scraper conveyor belt 412 is located inside the chain wheel conveyor 401, the air inlet 405 is located at the lower end of the rear side of the combustion chamber 402, and the exhaust port 406 is located at the upper end of the rear side of the combustion chamber 402; the ash removal mechanism 407 is located at the bottom of the combustion chamber 402, including: a drive motor 408, a crank and connecting rod mechanism 409, a push ash rod 410, and a dust cover 411, one end of the crank and connecting rod mechanism 409 is connected with the drive motor 408, the other end is connected with the push ash rod 410, and the dust cover 411 is fixed on the upper end of the push ash rod 410; during operation, the ash generated by the combustion of straw falls to the bottom through the two layers of ash filter screen 404, the crank and connecting rod mechanism 409 moves to drive the push ash rod 410 to push the ash out of the combustion chamber 402 through the rectangular hole below the combustion chamber door 403 and falls on the ground beside the machine, avoiding the accumulation of straw ash blocking the mesh; before the combined briquetting machine works, open the combustion chamber door 403, take the straw in the field and put it into the combustion chamber 402 to ignite the auger conveyor 301 in the straw conveying and conditioning system 3 to preheat to ensure that the picked and fed straw can be heated before the combined briquetting machine works stably; when the combined briquetting machine works, part of the straw falls into the chain wheel conveyor 401 through the hole at the lower end of the auger conveyor 301 and is conveyed into the combustion chamber 402 through the chain wheel scraper conveyor belt 412 for combustion, continuously generating heat to heat the auger conveyor 301 to promote the softening of the straw and utilize compression molding.

[0035] As shown in Figure 6 The briquetting system 5 is located behind the conveying and conditioning system 3 and the self-heating system 4, including: a ring mold structure 501, a compression roller 502, a ring conveyor belt 503, and a collection box 504, the straw enters the ring mold compression mechanism 501 for compression molding through the conveying and conditioning system 3, and the molded solid is stored in the collection box 503 through the ring conveyor belt 502.

[0036] As shown in Figure 7As shown, the transmission system 6 comprises: a first diesel engine 601, a second diesel engine 602, a pulley 603, an intermediate transmission shaft 604, a universal joint 605, a gear reducer 606, a gear reducer 607, a chain wheel conveyor main shaft 608, a pulverizer main shaft 609, a feeding mechanism transmission shaft 610, a pickup power shaft 611, a pickup main shaft 612, a spiral conveyor main shaft 613;The diesel engine 601 is connected with the press roll 502 in the briquetting system through the gear reducer 606, to ensure the normal work of the briquetting machine;The diesel engine 602 is connected with the intermediate transmission shaft 604 through belt transmission, the intermediate transmission shaft 604 is connected with the gear reducer 607 through belt transmission, the output shaft of the gear reducer 607 is connected with the auger spiral conveyor 301 through the universal joint 605, and the chain wheel conveyor main shaft 608 is connected with the gear reducer 607 through belt transmission;The input shaft of the gear reducer 607 is connected with the pulverizer main shaft 609 through belt transmission, the input shaft of the gear reducer 607 is connected with the feeding mechanism transmission shaft 610 through belt transmission, the intermediate transmission shaft 604 is connected with the pickup power shaft 611 through belt transmission, and the pickup power shaft 611 is connected with the pickup main shaft 612 and the spiral conveyor main shaft 613 through belt transmission.

[0037] In summary, the self-propelled field abandoned crop straw pickup combined briquetting machine can realize the pickup, pulverization, conditioning and briquetting of field straw, integrates multiple steps of straw processing on one mechanical equipment, greatly improves the straw processing efficiency, and reduces the processing cost. Meanwhile, the self-heating system and the straw conveying and conditioning system in the utility model can directionally control the straw material properties to realize the optimization of straw compression molding process parameters, achieve the best compression molding effect, and reduce the operation energy consumption.

[0038] The basic principle, main features and advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the above examples do not limit the protection scope of the utility model in any form, and any technical solutions obtained by equivalent replacement or the like fall within the protection scope of the utility model. The parts not involved in the utility model are the same as or can be realized by the prior art.

Claims

1. A self-propelled field abandoned crop straw pickup and briquetting machine, comprising a vehicle body, a pickup and pulverizing mechanism, a briquetting system, a transmission system, characterized in that, Also include straw conveying and conditioning system and self-heating system, The straw conveying and conditioning system comprises an auger screw conveyor, a moisture content detector and an atomizing nozzle, the inlet of the auger screw conveyor is connected to the outlet of the picking and crushing mechanism, the moisture content detector is arranged at the inlet of the auger screw conveyor, and the atomizing nozzle is arranged at the upper end of the auger screw conveyor and is connected to the water supply mechanism through a water conveying pipeline. The self-heating system is located below the straw conveying and conditioning system, and is provided with a combustion chamber for burning straw to generate heat for heating the auger screw conveyor.

2. The self-propelled field waste crop residue pickup and baling machine of claim 1, wherein, The auger screw conveyor is provided with auger screw conveyor blades, and the upper end surface of the auger screw conveyor is of a mesh structure and is provided with a material dropping hole at the lower end surface.

3. The self-propelled field waste crop residue pickup and briquetting machine according to claim 1 or 2, characterized in that, The upper end surface of the auger screw conveyor is provided with a strip-shaped groove, and the atomizing nozzle is installed in the strip-shaped groove and uniformly distributed towards the interior of the auger screw conveyor.

4. The self-propelled field waste crop residue pickup and baling combine of claim 1 wherein, The upper end of the auger screw conveyor is provided with detachable shielding covers, and the outlet of the auger screw conveyor is provided with a temperature sensor.

5. The self-propelled field waste crop residue pickup and baling machine of claim 1, wherein, The water supply mechanism comprises a water tank, a water pump and a controller, water in the water tank is pumped out by the water pump and delivered to the atomizing nozzle through the water conveying pipeline, and the controller is used to control the start and stop of the water pump according to the moisture content of the straw.

6. The self-propelled field waste crop residue pickup and baling combine of claim 1 wherein, The self-heating system comprises a chain wheel conveyor, a chain wheel scraper conveyor belt, a combustion chamber, a combustion chamber door, an ash filter screen, an air inlet, an exhaust outlet and an ash cleaning mechanism, the chain wheel scraper conveyor belt is located inside the chain wheel conveyor, the air inlet is located at the lower end of the rear side of the combustion chamber, the exhaust outlet is located at the upper end of the rear side of the combustion chamber, and the ash cleaning mechanism is located at the bottom of the combustion chamber.

7. The self-propelled field waste crop residue pickup and baling machine of claim 6 wherein, The ash cleaning mechanism comprises a driving motor, a crank and connecting rod mechanism, a push ash rod and an ash blocking cover, one end of the crank and connecting rod mechanism is connected to the driving motor, the other end is connected to the push ash rod, and the ash blocking cover is fixed to the upper end of the push ash rod.

8. The self-propelled field waste crop residue pickup and baling machine of claim 1, wherein, The vehicle body comprises a cab, a chassis and a traveling mechanism, the cab is located at the front end of the combined briquetting machine, and the traveling mechanism adopts wheels or tracks.

9. The self-propelled field waste crop residue pickup and baling machine of claim 1, wherein, The picking and crushing mechanism is located at the most front end of the combined briquetting machine, and comprises a picker, a screw conveyor, a feeding mechanism, a crushing chamber, a crushing rotary shaft, rotary blades, fixed blades and a screen mesh, the picker is used to continuously pick up straw, the screw conveyor sends the straw into the feeding mechanism and then to the crushing chamber for crushing, and the crushed material enters the straw conveying and conditioning system through the screen mesh.

10. The self-propelled field waste crop residue pickup and baling combine of claim 1 wherein, The transmission system comprises a first diesel engine, a second diesel engine, a pulley, an intermediate transmission shaft, a universal joint, a first gear reducer, a second gear reducer, a chain wheel conveyor main shaft, a pulverizer main shaft, a feeding mechanism transmission shaft, a pickup power shaft, a pickup main shaft, and a spiral conveyor main shaft; the diesel engine is connected with a press roll in the briquetting system through the first gear reducer to ensure normal operation of the briquetting machine; the second diesel engine is connected with the intermediate transmission shaft through belt transmission, the intermediate transmission shaft is connected with the second gear reducer through belt transmission, the output shaft of the second gear reducer is connected with the auger spiral conveyor through the universal joint, and the chain wheel conveyor main shaft is connected with the second gear reducer through belt transmission; the input shaft of the second gear reducer is connected with the pulverizer main shaft and the feeding mechanism transmission shaft through belt transmission respectively, the intermediate transmission shaft is connected with the pickup power shaft through belt transmission, and the pickup power shaft is connected with the pickup main shaft and the spiral conveyor main shaft through belt transmission.

Images