CN219364160U

CN219364160U - Graded screening reed cutter for pulping

Info

Publication number: CN219364160U
Application number: CN202320836662.7U
Authority: CN
Inventors: 罗剑平; 王玲玲; 俞立群
Original assignee: Sichuan Litian Paper Co ltd
Current assignee: Sichuan Litian Paper Co ltd
Priority date: 2023-04-15
Filing date: 2023-04-15
Publication date: 2023-07-18
Anticipated expiration: 2033-04-15

Abstract

The utility model provides a grading screening reed cutting machine for pulping, which comprises a box body, a feeding port, a discharging port, a waste discharge port, a cutting component and a screening component, wherein the feeding port, the discharging port and the waste discharge port are connected with the box body; the feeding port is connected with the feeding pipe, the primary screening component is arranged below the feeding pipe, the primary screening component is connected with the rough cutting component, the rough cutting component is connected with the fine cutting component, the fine cutting component is connected with the fine screening component, the fine screening component is arranged below the fine screening component, the storage bin for collecting qualified raw materials is arranged below the fine screening component, and the tail end of the fine screening component is a circulating component connected to the input end of the rough cutting component. The equipment provided by the utility model can filter the impurity clod stones and the like through the primary screening component, then the rough cutting component and the fine cutting component perform secondary cutting and crushing, the crushing fineness is ensured, finally the crushed raw materials are screened by the fine screening component, the crushed raw materials are sent to the next step of flow in accordance, and secondary crushing and screening are performed in a non-conforming manner, so that the quality of the raw materials is ensured.

Description

Graded screening reed cutter for pulping

Technical Field

The utility model relates to the technical field of pulping processing equipment, in particular to a grading screening reed cutter for pulping.

Background

Pulping is a process of separating fibers from plant fiber raw materials to obtain paper pulp, and reed and straw (stalks of wheat, rice, corn, potato, rape, cotton, sugarcane and other crops are commonly called as raw materials at present. The reed and the straw have multipurpose renewable biological resources and are characterized in that the crude fiber content is high (30% -40%), and lignin and the like are contained; therefore, reed and straw are increasingly used in various industries, the reed and straw need to be treated after harvesting to carry out the next pulping step, foreign matters such as soil blocks, sand and the like are extremely easy to dope in the bundling process of the reed and straw and are used for damaging subsequent treatment equipment, so that the reed and the straw need to be screened, but the conventional screening equipment has low general screening efficiency, loosening of the reed and the straw cannot be realized, impurities mixed in the reed and straw are not easy to separate, and the screening effect is not ideal.

In addition, the reed cutting machine of the paper mill is basically used for cutting the reed once, but the standard size of all reeds and straws cannot be ensured, and some raw materials which do not meet the size requirement are also sent to the next process together, so that the production quality of pulping is affected.

Disclosure of Invention

The utility model provides a grading screening reed cutter for pulping, which can finely cut and screen, and secondarily pulverize and screen unqualified raw materials.

The technical scheme of the utility model is realized as follows: the grading screening reed cutting machine for pulping comprises a box body, a feeding port, a discharging port, a waste discharge port, a cutting component, a screening component and a controller, wherein the feeding port, the discharging port and the waste discharge port are connected with the box body; the feeding port is located one side of box top, and the inlet pipe is connected to its lower extreme, and the inlet pipe below is the primary screening subassembly, and the primary screening subassembly end-to-end connection rough cutting subassembly, rough cutting subassembly end-to-end connection fine cutting subassembly, fine cutting subassembly end-to-end connection fine screening subassembly, fine screening subassembly below are the storage storehouse of collecting qualified raw materials, and the end of fine screening subassembly is for being connected to the circulation subassembly of rough cutting subassembly input.

Preferably, the primary screen assembly comprises a screen arranged obliquely, a dryer arranged above the screen and a guide plate connected to the waste outlet below the screen, one end of the screen is connected to the side wall of the box body through a vibrator, the other end of the screen is connected through a damping part, one end of the screen, close to the feeding pipe, is higher, one end, close to the rough cutting assembly, is lower, and a pipeline communicated with the rough cutting assembly is arranged at the lower end.

Preferably, the rough cutting assembly comprises a rough cutting channel arranged vertically and a cutter arranged in the rough cutting channel, the cutter is a plurality of electric gear type blades, and the cutters are arranged in left and right rows in the rough cutting channel in a staggered mode.

Preferably, the fine cutting assembly comprises a fine cutting channel which is horizontally arranged and cutting roller groups which are arranged in the fine cutting channel, wherein the cutting roller groups are multiple groups and are horizontally arranged in sequence, and each cutting roller group comprises an upper cutting roller and a lower cutting roller which are matched with each other; a row of through holes are arranged on the lower side wall of the fine cutting channel between every two cutting roller groups.

Preferably, the fine screening assembly comprises a spiral pipe which is horizontally arranged, the two ends of the spiral pipe are respectively connected with the fine cutting channel and the circulating assembly through flanges, one end of the spiral pipe is further provided with a motor for driving the spiral pipe to rotate, screening holes are uniformly formed in the spiral pipe, a funnel-shaped discharge hole is formed in the lower portion of the spiral pipe, and the lower portion of the discharge hole is connected with the storage bin.

Preferably, the circulation assembly includes a circulation pipe connecting the spiral pipe and the upper portion of the tank, and a first blower provided below the circulation pipe and a second blower provided in the middle of the circulation pipe.

Preferably, the spiral pipe and the fine cutting channel are horizontally arranged, the fine cutting channel is located above the spiral pipe, the spiral pipe is located above the funnel-shaped discharging hole, and the storage bin is connected below the discharging hole.

Preferably, a deposition bent pipe for collecting impurities is arranged at the joint between the rough cutting channel and the fine cutting channel, the deposition bent pipe is positioned right below the rough cutting channel and is lower than the fine cutting channel, and a third air feeder for assisting in feeding is arranged at the end part of the fine cutting channel.

Preferably, the feeding pipe is a pipeline which is obliquely arranged, a magnet for absorbing iron impurities is arranged on the pipe wall of the lower side of the feeding pipe, and a waste valve for discharging impurities is arranged on the feeding pipe at the lower side of the magnet and is communicated with the waste pipe.

Compared with the prior art, the utility model has the advantages that: this equipment can filter impurity clod stone etc. through just sieving the subassembly, then rough cut subassembly and smart cutting the subassembly and carry out the secondary cutting and smash, guarantee kibbling fineness, the fine screen subassembly filters the raw materials after smashing at last, accords with and sends to next step flow, does not accord with and carries out secondary crushing and screening, guarantees raw materials quality.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

In the figure: 1. a case; 2. a feeding port; 3. a feed pipe; 4. a screen; 5. a dryer; 6. a guide plate; 7. a vibrator; 8. roughly cutting a channel; 9. a cutter; 10. finely cutting the channel; 11. a cutting roller set; 12. a through hole; 13. a spiral tube; 14. a sieve pore; 15. a flange; 16. a discharge port; 17. a storage bin; 18. a circulation pipe; 19. a first blower; 20. a second blower; 21. a waste outlet; 22. a waste material pipe; 23. a magnet; 24. a waste valve; 25. depositing an elbow; 26. a controller; 27. and a third blower.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples: referring to fig. 1, a classifying screening reed cutter for pulping comprises a box 1, a feeding port 2, a discharging port 16 and a waste discharging port 21 which are connected with the box, a cutting part and a screening part which are arranged in the box 1, and a controller 26 for controlling the operation of the cutting part and the screening part, wherein the controller 26 can control the operation of a dryer 5, a first blower 19, a second blower 20, a third blower 27, a cutter 9, a cutting roller set 11 and a spiral pipe 13, and the operation of each part is started and stopped at any time according to the site situation.

The utility model provides a feeding mouth 2 is located one side of box 1 top, inlet pipe 3 is connected to its lower extreme, inlet pipe 3 below is screen cloth 4 that the slope of primary screening subassembly set up, dryer 5 that screen cloth 4 top set up, dryer 5 can heat the stoving to the raw materials that enters into screen cloth 4, and there is a decurrent effort, vibrator 7 on the cooperation screen cloth 4 can screen the raw materials, screen cloth 4 aperture is great, can filter debris such as grit, and the raw materials is the stem stalk that has certain length, then be difficult to leak down, debris such as grit fall screen cloth 4 below deflector 6, deflector 6 also is the slope setting, its lower one end is connected to the waste pipe 22 of vertical setting, waste pipe 22 bottom is waste outlet 21. The screen cloth 4 is higher near the one end of inlet pipe 3, and is lower near the one end of rough cut subassembly, and lower one end is opened there is the pipeline with rough cut subassembly intercommunication, relies on gravity and vibration, and the raw materials can be in the course of screening remove rough cut passageway 8 gradually. A horizontal pushing device can be arranged at the higher end, and when the blocking condition occurs, the horizontal pushing device can push the raw material falling from the feeding pipe 3 to the rough cutting assembly.

The rough cutting assembly comprises a rough cutting channel 8 which is vertically arranged and a cutter 9 which is arranged inside the rough cutting channel, the cutter 9 is a plurality of electric gear type blades, the cutter 9 is arranged in a left-right staggered mode inside the rough cutting channel 8, raw materials sequentially pass through the cutters 9 which are arranged in a staggered mode from top to bottom, and the raw materials are repeatedly cut, so that rough cutting efficiency is guaranteed. The rough cutting channel 8 is vertically arranged, the fine cutting channel 10 is horizontally arranged below, a deposition bent pipe 25 for collecting impurities is arranged at the joint of the rough cutting channel 8 and the fine cutting channel, the deposition bent pipe 25 is positioned right below the rough cutting channel 8 and is lower than the fine cutting channel 10 in height, and the third air feeder 27 is consistent with the fine cutting channel 10 in height and is positioned on the other side of the deposition bent pipe 25. When the material falls from the rough cutting channel 8, the third blower 27 blows air horizontally to the fine cutting channel 10, so that the material with lighter weight can be blown into the fine cutting channel 10, the cutting roller set 11 can perform fine cutting, and stone soil with a certain weight and the like can fall into the deposition elbow 25, and the worker can clean the material later. The sedimentation elbow 25 may also be connected to the waste pipe 22 by a pipe and discharged to the waste outlet 21.

The fine cutting assembly comprises a fine cutting channel 10 which is horizontally arranged and cutting roller groups 11 which are arranged in the fine cutting channel, wherein the cutting roller groups 11 are multiple groups and are horizontally arranged in sequence, and each cutting roller group 11 comprises an upper cutting roller and a lower cutting roller which are matched with each other; a row of through holes 12 are arranged on the lower side wall of the fine cutting channel 10 between every two cutting roller groups 11. The plurality of cutting roller sets 11 repeatedly cut and grind the material, and after the fineness of the material reaches the standard, partial material just can be discharged from through-hole 12 and fall to the discharge gate 16 of below, and the fineness is inconsistent just enters into next cutting roller set 11 and continues to cut, finally gets into the fine screen subassembly.

The fine screening assembly comprises a spiral pipe 13 which is horizontally arranged, two ends of the spiral pipe 13 are respectively connected with a fine cutting channel 10 and a circulating assembly through flanges 15, one end of the spiral pipe 13 is further provided with a motor which drives the spiral pipe 13 to rotate, the spiral pipe 13 is enabled to rotate continuously through the motor and the flanges 15, screening holes 14 for screening are evenly formed in the spiral pipe 13, materials which enter the spiral pipe 13 are fine-screened, materials which accord with fineness fall from the screening holes 14 and enter a funnel-shaped discharge hole 16, a storage bin 17 is connected below the discharge hole 16, and the storage bin 17 stores the materials. The spiral pipe 13 and the fine cutting channel 10 are horizontally arranged, the fine cutting channel 10 is positioned above the spiral pipe 13, the spiral pipe 13 is positioned above the funnel-shaped discharge hole 16, raw materials leaked from the through hole 12 of the fine cutting channel 10 and the sieve holes 14 of the spiral pipe 13 can be received, and the storage bin 17 is connected below the discharge hole 16.

For the raw materials which are not up to the standard in cutting, the raw materials cannot fall from the sieve holes 14 of the spiral pipe 13 and enter a circulation assembly for secondary cutting, wherein the circulation assembly comprises a circulation pipe 18 for connecting the spiral pipe 13 and the upper part of the box body 1, and a first air feeder 19 arranged below the circulation pipe 18 and a second air feeder 20 arranged in the middle of the circulation pipe 18. The first blower 19 blows air from the lowest part of the circulating pipe 18, the second blower 20 blows air obliquely upwards in the middle part of the circulating pipe 18, and the two blowers relay force, so that the material is sent to the uppermost part of the machine box, returns to the tail end position of the screen 4 and enters the rough cutting channel 8.

The feeding pipe 3 is a pipeline which is obliquely arranged, a magnet 23 for absorbing iron impurities is arranged on the pipe wall of the lower side of the feeding pipe 3, a waste valve 24 for discharging impurities is arranged on the feeding pipe 3 at the lower side of the magnet 23, and the waste valve 24 is communicated with the waste pipe 22. When the initial raw material contains iron impurities, the magnet 23 can absorb the iron impurities, and when a certain amount is reached, an operator can open the waste valve 24 to send the iron impurities and other impurities into the waste pipe 22 through the waste valve 24 and finally into the waste outlet 21.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims

1. The utility model provides a hierarchical screening reed cutting machine for pulping, includes box and pay-off mouth, discharge gate and the waste discharge outlet who connects on it to and cutting part and the screening part that set up in the box, its characterized in that: the device also comprises a controller for controlling the cutting component and the screening component to work, wherein the cutting component comprises a rough cutting component and a fine cutting component, and the screening component comprises a primary screening component and a fine screening component;

the feeding port is located one side of box top, and the inlet pipe is connected to its lower extreme, and the inlet pipe below is the primary screening subassembly, and the primary screening subassembly end-to-end connection rough cutting subassembly, rough cutting subassembly end-to-end connection fine cutting subassembly, fine cutting subassembly end-to-end connection fine screening subassembly, fine screening subassembly below are the storage storehouse of collecting qualified raw materials, and the end of fine screening subassembly is for being connected to the circulation subassembly of rough cutting subassembly input.

2. The sizing reed cutter of claim 1, wherein: the primary screening assembly comprises a screen arranged obliquely, a dryer arranged above the screen and a guide plate connected to the waste outlet below the screen, one end of the screen is connected to the side wall of the box body through a vibrator, the other end of the screen is connected through a damping part, one end of the screen, close to the feeding pipe, is higher, one end, close to the rough cutting assembly, is lower, and a pipeline communicated with the rough cutting assembly is arranged at the lower end.

3. The sizing reed cutter of claim 2, wherein: the rough cutting assembly comprises a rough cutting channel which is vertically arranged and cutters which are arranged in the rough cutting channel, the cutters are a plurality of electric gear type blades, and the cutters are arranged in left and right rows of the rough cutting channel in a staggered mode.

4. A pulping classifying screen reed cutting machine according to claim 3, wherein: the fine cutting assembly comprises a fine cutting channel which is horizontally arranged and cutting roller groups which are arranged in the fine cutting channel, wherein the cutting roller groups are multiple groups and are horizontally arranged in sequence, and each cutting roller group comprises an upper cutting roller and a lower cutting roller which are matched with each other; a row of through holes are arranged on the lower side wall of the fine cutting channel between every two cutting roller groups.

5. The sizing reed cutter of claim 4, wherein: the fine screening assembly comprises a spiral pipe which is horizontally arranged, the two ends of the spiral pipe are respectively connected with a fine cutting channel and a circulating assembly through flanges, one end of the spiral pipe is further provided with a motor which drives the spiral pipe to rotate, screening holes are evenly formed in the spiral pipe, a funnel-shaped discharge hole is formed in the lower portion of the spiral pipe, and a storage bin is connected below the discharge hole.

6. The sizing reed cutter of claim 5, wherein: the circulating assembly comprises a circulating pipe connected with the upper part of the spiral pipe and the box body, and a first air feeder arranged below the circulating pipe and a second air feeder arranged in the middle of the circulating pipe.

7. The sizing reed cutter of claim 6, wherein: the spiral pipe and the fine cutting channel are horizontally arranged, the fine cutting channel is located above the spiral pipe, the spiral pipe is located above the funnel-shaped discharge hole, and the storage bin is connected below the discharge hole.

8. The sizing reed cutter of claim 7, wherein: the junction between rough cut passageway and the smart passageway is equipped with the deposit return bend of collecting impurity, and the deposit return bend is located the rough cut passageway and highly is less than smart passageway, smart tip of cutting the passageway is equipped with the third forced draught blower of supplementary pay-off.

9. The sizing reed cutter of claim 8, wherein: the inlet pipe is the pipeline that the slope set up, is equipped with the magnet of absorption iron debris on the inlet pipe downside pipe wall, opens on the inlet pipe of magnet downside has a waste material valve of discharging impurity, waste material valve and waste pipe intercommunication.