CN216688807U - Straw pulping and papermaking complete equipment - Google Patents

Abstract

The utility model relates to the technical field of straw papermaking, in particular to complete straw pulping and papermaking equipment. The equipment consists of a cleaning and dehydrating mechanism, a crushing and grinding residue filtering mechanism and a stirring mechanism in sequence. After the straws are stirred, cleaned and dehydrated by the cleaning and dehydrating mechanism, when the pusher reaches the inductor, the valve is opened, the straws enter the crushing and grinding mechanism, and slurry is ground, filtered and flows into the stirring and thickening mechanism along a pipeline. Because with the function integration, save space, high-efficient cooperation to grinder realizes the coarse grinding fine grinding, grinds more fully, and the filter residue can be retrieved once more and participate in the grinding, saves the resource.

Description

Straw pulping and papermaking complete equipment

Technical Field

The utility model relates to the field of straw papermaking equipment, in particular to complete straw pulping and papermaking equipment.

Background

In recent years, the environmental deterioration promotes the gradual enhancement of the protection consciousness of people on forest resources, the price of wood is greatly increased, the paper making raw materials are in the trend of increasing shortage, and the development of the paper making industry in China is influenced. The application of the crop straw can alleviate the situation, and the objective requirement of sustainable development of the paper industry in China is met.

Original straw papermaking complete sets is including soaking mechanism, broken mechanism, grinding mechanism and filter residue mechanism, and equipment is bulky, links up the feeding cooperation everywhere not well to grinding mechanism grinds not enough, still leave over a large amount of residues, the wasting of resources.

SUMMERY OF THE UTILITY MODEL

A straw pulping and papermaking complete equipment comprises: the device comprises a frame, a cleaning and dehydrating mechanism, a crushing and grinding residue filtering mechanism and a stirring mechanism. The cleaning and dewatering mechanism, the crushing and grinding mechanism and the stirring and thickening mechanism are arranged from top to bottom in sequence;

the cleaning and dewatering mechanism comprises a feeding hole, a propeller, a valve, a first feeding hole, a cutter, a first propeller, a water tank and a discharging hole;

the screw propeller is arranged below the feeding hole, straws are rotationally stirred in water, and the cleaned straws are guided into the screw propeller through the feeding hole I by the valve; the first propeller extrudes straws through rotary conveying, and water flowing out of the extruded straws flows into the water tank through a small hole in the bottom of the machine; the cutter is arranged beside the first propeller and rotates along with the first propeller, and the crushed straws are guided into the crushing and grinding mechanism through the discharge hole;

the crushing, grinding and residue filtering mechanism comprises: a crushing and grinding mechanism and a residue filtering mechanism;

the crushing and grinding mechanism comprises: the grinding device comprises a spiral cutter, an inner grinding disc, grinding balls, an outer grinding disc, a transmission shaft and a motor;

the spiral cutter is arranged below the discharge port, the inner grinding disc is arranged below the spiral cutter, the outer grinding disc wraps the inner grinding disc in a wrapping mode, grinding balls are arranged at the opposite positions of the inner grinding disc and the outer grinding disc, and the motor transmission shaft fixes the inner grinding disc;

residue filter mechanism include: the filter screen comprises a first layer of filter screen, a second layer of filter screen and a pipeline;

the filter holes of the first layer of filter screen are larger than those of the second layer of filter screen and are arranged below the discharge hole, the second layer of filter screen (323) is arranged below the first layer of filter screen, and the pipeline is connected with the stirring thickening mechanism;

the stirring thickening mechanism includes: the shell, the second propeller and the cross frame;

the shell is arranged on the cross frame, the second propeller is arranged in the shell, and the second propeller is used for stirring slurry to perform concentration adjustment in the next step.

The utility model has the following beneficial effects:

the mechanism realizes the combination of two functions, namely cleaning and dewatering as a whole and crushing and grinding as a whole, so that the whole machine has smaller volume and saves space compared with the original equipment;

the machine equipment is well joined and matched at all positions, and no material is leaked or exposed;

the vertical part of the grinding disc is roughly ground, the inclined part of the grinding disc is finely ground, the grinding mechanism simultaneously and integrally carries out rough grinding and fine grinding, the rough grinding and the fine grinding can be realized without two grinding discs, and the grinding discs in the grinding mechanism have large weight, so that the grinding effect is better;

the filter residue mechanism can realize the reutilization of filter residues, and the resources are fully utilized.

Drawings

FIG. 1 is an overall structural view of the present invention.

FIG. 2 is a view showing the structure of the washing and dehydrating mechanism of the present invention.

FIG. 3 is a structural view of the crushing and grinding mechanism of the present invention.

FIG. 4 is a structural diagram of a stirring and thickening mechanism according to the present invention.

Detailed Description

Preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings, so that those embodiments can be easily implemented by those having ordinary skill in the art to which the present invention pertains. The utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. In addition, in order to more clearly describe the present invention, components not connected to the present invention will be omitted from the drawings.

As shown in fig. 1, a straw pulping and papermaking plant comprises: the device comprises a frame 1, a cleaning and dehydrating mechanism 2, a crushing and grinding residue filtering mechanism 3 and a stirring and concentration adjusting mechanism 4. The cleaning and dehydrating mechanism 2, the crushing and grinding residue filtering mechanism 3 and the stirring and concentration adjusting mechanism 4 are arranged from top to bottom in sequence;

as shown in fig. 2, the washing and dewatering mechanism 2 comprises a feed inlet 21, a propeller 22, a valve 23, a feed inlet one 24, a cutter 25, a propeller one 26, a water tank 27 and a discharge outlet 28;

the propeller 22 is arranged below the feeding hole 21 and rotates and stirs the straws in the water, so that the dust adhered to the straws is cleaned by the water.

The valve 23 guides the cleaned straws into a first propeller 26 through a first feeding hole 24, the first propeller 26 extrudes the straws through rotary conveying, and water flowing out of the extruded straws flows into a water tank 27 through a small hole at the bottom of the machine;

the cutter 25 is arranged beside the first propeller 26. The first propeller 26 rotates, straws are cut in the rotating process and are coarsely crushed, and the crushed straws are guided into a crushing and grinding mechanism 31 through a discharge port 28;

as shown in fig. 3, the crushing, grinding and residue filtering mechanism 3 comprises: a crushing and grinding mechanism 31 and a residue filtering mechanism 32;

the crushing and grinding mechanism 31 comprises: the spiral cutter 311, the inner grinding disc 312, the grinding ball 313, the outer grinding disc 314, the transmission shaft 315, the motor 316 and the first discharge hole 317;

the spiral cutter 311 is arranged below the discharge hole 28, the inner grinding disc 312 is arranged below the spiral cutter 311, the upper end and the lower end of the inner grinding disc are both outwards convex rotational symmetric bodies, the outer grinding disc 314 wraps the inner grinding disc 312 in a wrapping mode, and the grinding balls 313 are arranged at the opposite positions of the inner grinding disc and the outer grinding disc. The raised structure at the upper end of the inner grinding disc 312 is to allow the crushed straw to slide into the grinding mechanism. The grinding balls 313 are arranged on the opposite surfaces of the two grinding discs, and the gaps between the grinding balls 313 at the inlet are larger, so that the crushed straws can easily enter. The vertical grinding part is rough grinding, the inclined grinding part is fine grinding, and a discharge port I317 is arranged below the outer grinding disc 314. The motor 316 drives the shaft to fix the inner grinding disc 312 to rotate;

as shown in fig. 3, the residue filtering mechanism 32 includes: a scraper 321, a first layer of filter screen 322, a second layer of filter screen 323, a collection box 324 and a pipeline 325;

the first layer of filter screen 322 filter eye hole be greater than second layer of filter screen 323, set up and filter out the straw filter residue that can carry out secondary operation in discharge gate 317 below, set up scraper blade 321 on the first layer of filter screen 322, the straw filter residue on first layer of filter screen 322 can be scraped off to scraper blade 321. The collecting box 324 is disposed at one side of the first layer of the filter screen, and the collecting box 324 collects the residue scraped by the scraping plate 321. The second layer of filter screen 323 is arranged below the first layer of filter screen 322, and can filter out the desired slurry, and the pipeline 325 is connected with the stirring thickening mechanism 4;

as shown in fig. 4, the stirring and concentration adjusting mechanism 4 includes: a shell 41, a second propeller 42 and a cross frame 43;

the shell 41 is arranged on the cross frame 43, the second propeller 42 is arranged in the shell 41, and the second propeller 42 stirs the slurry to carry out concentration adjustment in the next step.

The working principle of the utility model is as follows:

the straws enter from the upper feeding port 21 and are stirred and cleaned by the propeller 22, when the straws are stirred and soaked for a certain time, the valve 23 is opened, and the clean and softened straws enter the lower-layer dehydration mechanism. The water enters from the feed inlet 24, is extruded out by the rotation of the first screw propeller 26, flows into the lower water tank 27 through the hole at the bottom, and the cutter 25 also rotates along with the first screw propeller 26 to perform rough cutting. The coarsely crushed and dehydrated straws enter the crushing, grinding and residue filtering mechanism 3 through a discharge port 28. Then the straw is crushed by the spiral cutter 311 and slides into the gap along the slide way at the upper end of the inner millstone 312, and the motor 316 drives the inner millstone to rotate through the transmission shaft 315 for grinding. The ground slurry and the ground residue enter the residue filtering mechanism 32 through the discharge hole 317. After a period of filtration, the scraper 321 is moved downward to allow the residue to enter the collection tank 324, and after the collection tank is full, the residue is pumped out, poured into the feed inlet, and circulated again. The slurry filtered by the second layer of screen 323 enters the stirring mechanism 4 through the pipe 325. The second propeller 42 rotates to stir and adjust the concentration in the next step.

Claims (5)

1. A straw pulping and papermaking complete equipment comprises: the device comprises a rack (1), a cleaning and dehydrating mechanism (2), a crushing and grinding residue filtering mechanism (3) and a stirring and concentration adjusting mechanism (4), wherein the cleaning and dehydrating mechanism (2), the crushing and grinding residue filtering mechanism (3) and the stirring and concentration adjusting mechanism (4) are arranged from top to bottom in sequence;

the method is characterized in that: the cleaning and dewatering mechanism (2) comprises a feed inlet (21), a propeller (22), a valve (23), a feed inlet I (24), a cutter (25), a propeller I (26), a water tank (27) and a discharge outlet (28);

the screw propeller (22) is arranged below the feeding hole (21), straws are rotationally stirred in water, and the cleaned straws are guided into the screw propeller I (26) through the feeding hole I (24) by the valve (23); the first propeller (26) extrudes straws through rotary conveying, and water flowing out of the extruded straws flows into the water tank (27) through a small hole at the bottom of the machine; the cutter (25) is arranged beside the first propeller (26) and rotates along with the first propeller (26);

the crushing, grinding and residue filtering mechanism (3) comprises: the straw crushing and grinding mechanism (31) and the residue filtering mechanism (32), and crushed straws are led into the crushing and grinding mechanism (31) through the discharge hole (28);

the crushing and grinding mechanism (31) comprises: the grinding machine comprises a spiral cutter (311), an inner grinding disc (312), grinding balls (313), an outer grinding disc (314), a transmission shaft (315) and a motor (316);

the spiral cutter (311) is arranged below the discharge hole (28), the inner grinding disc (312) is arranged below the spiral cutter (311), the outer grinding disc (314) wraps the inner grinding disc (312) in a wrapping manner, the grinding balls (313) are arranged at the opposite positions of the inner grinding disc and the outer grinding disc, and the inner grinding disc is fixed by a transmission shaft of the motor (316);

the residue filtering mechanism (32) comprises: a first layer of filter screen (322), a second layer of filter screen (323) and a pipeline (325);

the filter hole of the first layer of filter screen (322) is larger than that of the second layer of filter screen (323) and is arranged below the first discharge hole (317), the second layer of filter screen (323) is arranged below the first layer of filter screen (322), and the pipeline (325) is connected with the stirring thickening mechanism (4);

the stirring thickening mechanism (4) comprises: a shell (41), a second propeller (42) and a cross frame (43);

the shell (41) is arranged on the cross frame (43), the second propeller (42) is arranged in the shell (41), and the second propeller (42) stirs the slurry to perform concentration adjustment in the next step.

2. The straw pulping and papermaking complete equipment according to claim 1, characterized in that: the inner grinding disc (312) is a rotationally symmetrical body with the upper end and the lower end both protruding outwards.

3. The straw pulping and papermaking complete equipment according to claim 2, characterized in that: the grinding balls (313) arranged on the opposite surfaces of the inner grinding disc (312) and the outer grinding disc (314) have larger clearance at the inlet between the grinding balls (313).

4. The straw pulping and papermaking complete equipment according to claim 1, characterized in that: and a scraper (321) is arranged on the first layer of filter screen (322).

5. The straw pulping and papermaking complete equipment according to claim 4, characterized in that: and a collecting box (324) is arranged on one side of the first layer of filter screen (322).

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