CN204247608U - The feed preparing device of corn stalk raw material - Google Patents

Abstract

A material preparation device for corn stalk raw materials, including a cutting machine, a storage bin, a corn stalk washing machine and a dehydrator connected in sequence, is characterized in that a cyclone separator is arranged between the storage bin and the corn stalk washing machine, and the cyclone The separator includes an exhaust port and a discharge port, the exhaust port is connected to the bag filter through the induced draft fan, and the discharge port is connected to the corn stalk washing machine. The technological process of the whole material preparation of the utility model is continuous, realizes dust removal, water washing and dehydration of corn stalk raw materials, and achieves the purpose of water saving and emission reduction.

Description

Raw material preparation device for corn stalks

technical field

The utility model relates to a material preparation device for corn stalk raw materials.

Background technique

Straw raw materials are difficult to collect due to short plants, and difficult to transport due to their low density. It is easier to add impurities during the collection and transportation process, which brings many difficulties to material preparation. A lot of impurities and a lot of moisture will bring more problems to the raw material cutting, crushing and subsequent dust removal in the material preparation process.

At present, there is a common problem in straw preparation, which is low degree of automation and high labor consumption, especially in the corn straw preparation equipment, which cannot effectively and continuously process the corn straw raw material and remove the dust contained in the corn straw The efficiency of sundries such as sand and gravel is relatively low, which will affect the subsequent process and equipment, and increase the wear and failure rate between equipment.

Contents of the invention

The purpose of the utility model is to provide a material preparation device for corn stalks.

Based on the above purpose, the utility model adopts the following technical scheme: the material preparation device for corn stalk raw materials, including a cutting machine, a storage bin, a corn stalk washing machine and a dehydrator connected in sequence, the storage bin and the corn stalk washing machine A cyclone separator is arranged between them, and the cyclone separator includes an exhaust port and a discharge port, the exhaust port is connected with the bag filter through the induced draft fan, and the discharge port is connected with the corn straw washing machine.

The corn stalk washing machine includes a feeding port and a washing tank, the feeding port is provided with a feeding bin, and the upper part of the feeding bin is provided with a water inlet pipe; the washing tank is provided with at least two mutually parallel stirring shafts through bearings, and the stirring shaft There are blades on the top, the width of the blades is the same as the length of the stirring shaft, the upper part of the washing tank is connected with a water inlet pipe, and the bottom is provided with a slag outlet and a discharge port, and the axis of the discharge port is perpendicular to the bottom surface of the washing tank.

There are two stirring shafts, and six blades are evenly distributed on the circumference of the stirring shafts.

The upper end of the blade is trapezoidal, and through holes are evenly distributed on the blade.

A slag collecting hopper corresponding to the stirring shaft is provided at the bottom of the washing tank. The slag collecting hopper is in the shape of a square pyramid and communicates with the slag outlet; a slag collector is provided at the lower end of the slag outlet, and a glass panel is installed on the slag collector.

A water inlet pipe is provided on the side of the slag collecting hopper.

The through hole is φ5-φ15mm.

The material cutter is connected with the storage bin through a belt conveyor, and the storage bin is connected with the cyclone separator through a pneumatic conveyor.

The material preparation device for the corn stalk raw material also includes a sedimentation tank and a storage tank connected by pipelines, the sedimentation tank is provided with an inlet, and communicates with the drain of the dehydrator, and the storage tank is provided with an outlet, which is connected with The corn stalk washing machine is connected by a pump through a pipeline.

The dehydrator includes a screw dehydrator and a screw squeezer which are connected in sequence. The screw dehydrator and the screw squeezer are equipped with a feed port, a discharge port and a discharge port. The feed port of the screw dehydrator is connected to the corn stalk. The discharge port of the washing machine is connected, the discharge port is connected with the feed port on the screw squeezer, and the discharge ports of the screw dehydrator and the screw squeezer all flow into the sedimentation tank 12 through pipelines.

The biggest advantage of the utility model is that the whole process of material preparation is continuous, which realizes dust removal, water washing and dehydration of corn stalk raw materials, and achieves the purpose of water saving and emission reduction. Specifically, its beneficial effect is:

(1) Use the induced draft fan to introduce the dusty air in the cyclone separator into the bag filter for treatment, remove the dust in the air, reduce the pollution to the environment, make the working environment cleaner, and effectively reduce the water in the subsequent washing process dosage.

(2) Belt conveyor and pneumatic conveyor are used to realize continuous feeding between equipments, with high degree of automation.

(3) Set up a sedimentation tank to collect washing wastewater for sedimentation treatment and then circulate it to achieve the purpose of water saving.

(4) Use a pneumatic conveyor to send the corn stalk raw material in the silo to the cyclone separator for separation and dust removal.

(5) The dehydrator adopts a screw dehydrator and a screw squeezer connected in sequence to perform secondary dehydration, which improves the dryness of the corn stalk raw material.

(6) The corn stalk washing machine adopted in this utility model can realize continuous multi-stage washing of corn stalk raw materials, which increases the washing time of corn stalks, and the blades on the stirring shaft in the corn stalk washing machine adopt trapezoidal steel blades, which can wash the corn stalks Straw raw materials are completely pressed into the water and stirred evenly. The through holes of φ5-φ15mm are evenly arranged on the blades to reduce the stirring power and the washing effect is good. The outlet of the washing tank is located at the bottom of the washing tank, the axis of the outlet is perpendicular to the bottom of the washing tank, and the raw materials at the outlet are not easy to accumulate.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the structural representation of the corn stalk washing machine in the utility model;

Fig. 3 is the structural representation of blade in the utility model;

Fig. 4 is a process flow diagram of the utility model.

Detailed ways

The material preparation device for corn stalk raw materials, as shown in Figure 1 and Figure 2, includes a cutting machine 1, a storage bin 3, a corn stalk washing machine 8, a dehydrator, a sedimentation tank 12 and a water storage tank 13 connected in sequence, and the material cutting The machine 1 and the storage bin 3 are connected by a belt conveyor 2, a cyclone separator 5 is provided between the storage bin 3 and the corn straw washing machine 8, and the storage bin 3 and the cyclone separator 5 are conveyed by pneumatic The cyclone separator 5 includes an exhaust port and a discharge port, the exhaust port is connected to the bag filter 7 through the induced draft fan 6, and the discharge port is connected to the corn stalk washing machine 8.

The corn stalk washing machine 8 includes a feeding port 801 and a washing tank 802. The feeding port 801 is provided with a feeding bin 9, and the upper part of the feeding bin 9 is provided with a water inlet pipe for soaking the material; the washing tank 802 is provided with a bearing There are two stirring shafts 803 parallel to each other. Six blades 804 are evenly distributed on the circumference of the stirring shaft 803. The upper ends of the blades 804 are trapezoidal. The width of 804 is the same as the length of the stirring shaft 803. The upper part of the washing tank 802 is connected with a water inlet pipe for further soaking the material. The bottom is provided with a slag outlet 805 and a material outlet 806. The axis of the outlet 806 is perpendicular to the bottom surface of the washing tank 802. The material at the outlet 806 is not easy to accumulate. The bottom of the washing tank 802 is provided with a slag collection bucket 807 corresponding to the stirring shaft 803. The water pipe is used to replenish the water volume in the washing tank, maintain the liquid level in the washing tank to be equal to the discharge port, and prevent the material from sinking into the sewage discharge device; There are upper and lower slag discharge valves 809 and 810 at the top and bottom respectively, and a glass panel 811 is installed on the slag collector 808 to observe the slag collection; when it is necessary to discharge slag, close the upper slag discharge valve 809 and open the lower The slagging valve 810 is used for slagging; after the slagging is completed, close the lower slagging valve 810 and open the upper slagging valve 809 to prevent water and materials from being discharged; Water inlet valves are all provided on the water pipes and are communicated with the water inlet main pipe 15 .

The dehydrator is a screw dehydrator 10 and a screw squeezer 11 connected in sequence. Both the screw dehydrator 10 and the screw squeezer 11 are provided with a feed port, a discharge port and a discharge port. The feed of the screw dehydrator 10 The discharge port is connected with the discharge port 87 of the corn straw washing machine 8, and the discharge port is connected with the feed port on the screw squeezer 11. After the material is squeezed and dehydrated by the screw squeezer, it is discharged horizontally by the screw squeezer. Discharging for standby, the outlets of the screw dehydrator 10 and the screw squeezer 11 all flow into the sedimentation tank 12 through pipelines.

The sedimentation tank 12 is provided with a water outlet, which is connected to the water storage tank 13 through a pipeline, and the water storage tank 13 is connected to the corn stalk washing machine 8 through the pump 14 and the water inlet main pipe 15 .

Valves are provided between the sedimentation tank 12 and the water storage tank 13 and between the water storage tank and the corn stalk washing machine 8 .

The process flow is as follows: as shown in Figure 1 and Figure 4, the corn stalk raw material is first cut into a size with a diameter of 10-20 mm and a length of 10-40 mm by a grass cutter 1, and the cut corn stalk raw material is conveyed by a belt The machine 2 sends it to the storage bin 3, and then the pneumatic conveyor 4 sends the corn stalk raw material to the cyclone separator 5 for dust removal. The separated dust enters the bag filter 7 through the induced draft fan 6 for processing and collection, and the separated corn stalk The raw material enters the corn stalk washing machine 8 for washing. The washed corn stalk raw material is pre-dehydrated through the screw dehydrator 10, and then enters the screw squeezer 11 for screw extrusion dehydration. The discharge port of the water machine is horizontally discharged by spiral discharge for standby, and the water removed by the screw dehydrator 10 and the screw squeezer 11 is subjected to sedimentation treatment, and then enters the corn stalk washing machine 8 for recycling.

Use the pneumatic conveyor to send the corn stalk raw material in the silo to the cyclone separator for separation and dust removal, and use the induced draft fan to introduce the dusty air in the cyclone separator into the bag filter for treatment, and remove the dust in the air to reduce the pollution. Environmental pollution makes the working environment cleaner and effectively reduces the amount of water used in the subsequent washing process. The corn stalk raw material in the cyclone separator enters the corn stalk washing machine for washing. The corn stalk washing machine can adopt multi-stage washing. A slag collector is installed under each level of washing machine to collect heavy debris such as sand and gravel, and regularly discharge the debris in the slag collector. The multi-stage corn stalk washing machine can effectively increase the washing time of corn stalks. The heavy impurities contained in the corn stalks are removed, and the cleaned corn stalks are sent to the screw dehydrator for pre-dehydration. This step can remove most of the water, and then the corn stalks dehydrated by the screw dehydrator are sent to the extruder. Further extrusion dehydration in the dehydrator is used to improve the dryness of corn stalks.

Adopting the utility model can effectively wash and remove impurities of raw materials, reduce the impact on the subsequent process, reduce the wear and tear on the equipment, prolong the service life of the equipment, and have no pollution to the environment. The used corn stalk washing machine can be set to continuous multi-stage washing, thereby increasing the washing time and washing effect of corn stalks, and the blades on the stirring shaft in the corn stalk washing machine adopt trapezoidal steel plate blades, and φ5-φ15mm are evenly arranged on the blades. The through hole reduces the stirring power, and can completely press the corn stalk raw material into the water for dispersing and stirring, and the washing effect is good.

Claims (10)

1. A material preparation device for corn stalk raw materials, comprising a cutting machine, a storage bin, a corn stalk washing machine and a dehydrator connected in sequence, characterized in that a cyclone separator is arranged between the storage bin and the corn stalk washing machine , The cyclone separator includes an exhaust port and a discharge port, the exhaust port is connected to the bag filter through the induced draft fan, and the discharge port is connected to the corn straw washing machine. 2. The material preparation device for corn stalk raw materials according to claim 1, characterized in that, the corn stalk washing machine comprises a feed port and a washing tank, a feed bin is provided on the feed port, and a water inlet pipe is provided on the upper part of the feed bin The washing tank is provided with at least two parallel stirring shafts through bearings, the stirring shafts are provided with blades, the width of the blades is the same as the length of the stirring shafts, the upper part of the washing tank is connected with a water inlet pipe, and the bottom is provided with a slag outlet and an outlet. The axis of the feed port and the discharge port is perpendicular to the bottom surface of the washing tank. 3 . The material preparation device for corn stalks according to claim 2 , wherein there are two stirring shafts, and six blades are evenly distributed on the circumference of the stirring shafts. 4 . 4 . The material preparation device for corn stalks according to claim 3 , wherein the upper ends of the blades are trapezoidal, and through holes are evenly distributed on the blades. 5. The material preparation device for corn stalk raw materials according to claim 4, characterized in that, the bottom of the washing tank is provided with a slag collecting hopper corresponding to the stirring shaft, the slag collecting hopper is in the shape of a square pyramid and communicates with the slag outlet; A slag collector is provided at the lower end of the slag outlet, and a glass panel is installed on the slag collector. 6. The material preparation device for corn stalks according to claim 5, characterized in that, a water inlet pipe is provided on the side of the slag collecting hopper. 7. The material preparation device for corn stalk raw materials according to claim 6, characterized in that, the through hole is φ5-φ15mm. 8. The material preparation device for corn stalk raw materials according to any one of claims 1-7, characterized in that, the cutting machine and the storage bin are connected by a belt conveyor, and the storage bin and the cyclone separator are connected by a belt conveyor. Connected by pneumatic conveyor. 9. The material preparation device for corn stalk raw materials according to any one of claim 8, characterized in that it also includes a sedimentation tank and a water storage tank connected by pipelines, the sedimentation tank is provided with an inlet, and is connected with the drain of the dehydrator The storage tank is provided with an outlet, and is connected with the corn stalk washing machine through a pump and through a pipeline. 10. The material preparation device for corn stalks according to any one of claims 9, characterized in that, the dehydrator comprises a screw dehydrator and a screw squeezer connected in sequence.