CN117090073A - Paper pulp impurity separating device for crop straw papermaking - Google Patents
Paper pulp impurity separating device for crop straw papermaking Download PDFInfo
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- CN117090073A CN117090073A CN202311337538.7A CN202311337538A CN117090073A CN 117090073 A CN117090073 A CN 117090073A CN 202311337538 A CN202311337538 A CN 202311337538A CN 117090073 A CN117090073 A CN 117090073A
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- Prior art keywords
- filter screen
- pulp
- pipe
- thick liquid
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- 239000012535 impurity Substances 0.000 title claims abstract description 51
- 239000010902 straw Substances 0.000 title claims abstract description 24
- 229920001131 Pulp (paper) Polymers 0.000 title claims description 5
- 239000002002 slurry Substances 0.000 claims abstract description 62
- 230000000903 blocking effect Effects 0.000 claims abstract description 51
- 239000007788 liquid Substances 0.000 claims description 31
- 238000007667 floating Methods 0.000 claims description 29
- 238000001914 filtration Methods 0.000 claims description 28
- 238000004458 analytical method Methods 0.000 claims description 9
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 8
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 8
- 241001330002 Bambuseae Species 0.000 claims description 8
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 8
- 239000011425 bamboo Substances 0.000 claims description 8
- 239000000049 pigment Substances 0.000 claims description 7
- 238000000926 separation method Methods 0.000 claims description 5
- 239000003302 ferromagnetic material Substances 0.000 claims description 3
- 239000012780 transparent material Substances 0.000 claims description 3
- 238000001514 detection method Methods 0.000 abstract description 40
- 239000002245 particle Substances 0.000 abstract description 29
- 238000004519 manufacturing process Methods 0.000 abstract description 16
- 238000009825 accumulation Methods 0.000 abstract description 15
- 239000000835 fiber Substances 0.000 abstract description 12
- 238000010586 diagram Methods 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000011094 fiberboard Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000005291 magnetic effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000004537 pulping Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
- D21D5/00—Purification of the pulp suspension by mechanical means; Apparatus therefor
- D21D5/02—Straining or screening the pulp
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
- D21D5/00—Purification of the pulp suspension by mechanical means; Apparatus therefor
- D21D5/02—Straining or screening the pulp
- D21D5/04—Flat screens
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
- D21D5/00—Purification of the pulp suspension by mechanical means; Apparatus therefor
- D21D5/02—Straining or screening the pulp
- D21D5/16—Cylinders and plates for screens
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/64—Paper recycling
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Paper (AREA)
Abstract
The application relates to a pulp impurity separating device for crop straw papermaking, which comprises a guide filter receiving mechanism, a dredging detection mechanism and a heavy blocking dredging component, wherein under the combined action of the guide filter receiving mechanism, the dredging detection mechanism and the like, when a filter screen is blocked due to fiber accumulation, the blocking detection mechanism detects the blocking phenomenon and automatically dredges the filter screen, the problem of fiber accumulation blocking is solved, so that the production efficiency can be effectively improved, when the filter screen is severely blocked due to large-particle impurity accumulation, a ringing reminding module can send a reminding to related staff, the staff is prompted to clean the large-particle impurities in time, the production efficiency can be further improved, equipment damage can be prevented, and a side filter screen pipe can replace the filter screen to filter and separate the large-particle impurities in slurry before the staff is cleaned, so that the influence of the large-particle impurity accumulation on the production efficiency can be remarkably reduced.
Description
Technical Field
The application relates to a separation device, in particular to a pulp impurity separation device for crop straw papermaking, which is applied to the field of straw papermaking.
Background
The prior crop straw treatment method mainly comprises incineration, so that the environment is seriously polluted, and along with the development of technology and the knowledge of people on environmental protection, the crop straw is already applied to the industrial fields of papermaking, fiber board manufacturing and the like.
In the process of papermaking by using crop straws, slurry can contain large-particle impurities easily due to insufficient pulping and the like, and the large-particle impurities need to be filtered and separated from the slurry to ensure the quality of the pulp.
When filtering and separating the large granule impurity in the thick liquid, because the thick liquid has certain viscosity, the fibre in the thick liquid can receive the resistance when passing the filter screen, takes place to pile up, the jam phenomenon easily, influences production efficiency, and when taking place serious jam, if can not in time discover and carry out corresponding processing, not only can further reduce production efficiency, still damage equipment easily, increase the maintenance cost of equipment. Therefore, we propose a paper pulp impurity separating device for crop straw papermaking.
Disclosure of Invention
Aiming at the prior art, the technical problems to be solved by the application are as follows: the fiber in the slurry is easy to accumulate and block when passing through the filter screen, and the production efficiency is affected.
In order to solve the problems, the application provides a pulp impurity separating device for crop straw papermaking, which comprises a guide filter connection mechanism and a blocking detection mechanism, wherein the guide filter connection mechanism comprises a pulp guide cylinder, a pulp filter pipe and a pulp receiving tank, the top end of the pulp filter pipe is communicated with the bottom end of the pulp guide cylinder, the pulp receiving tank is positioned right below the pulp filter pipe, a pulp inlet pipe is embedded in the middle part of the pulp guide cylinder in a penetrating manner, a filter screen matched with the pulp filter pipe is movably arranged in the pulp filter pipe, a cross rod is fixedly arranged on the inner wall of the pulp filter pipe, the cross rod is positioned above the filter screen, an elastic pull rope is fixedly connected between the cross rod and the filter screen, the blocking detection mechanism comprises a blocking detection light floating plate, a blocking detection switch, a cylinder and a blocking detection controller, the blocking detection light floating plate is sleeved on the outer wall of the pulp inlet pipe, the blocking detection light floating plate is in sliding and sealing connection with the bottom end of the pulp guide cylinder, the blocking detection light floating plate is fixedly arranged on the side inner wall of the pulp guide cylinder, the blocking detection switch is positioned above the blocking detection light plate, the blocking detection light floating plate is fixedly arranged on the inner wall of the pulp guide cylinder, the blocking detection light floating plate is fixedly connected with a blocking detection control module, the blocking detection light floating plate is fixedly connected with the blocking detection control module, and the blocking detection control module is fixedly connected with the blocking detection module is arranged in the block, and is fixedly connected with the blocking detection control module.
In the pulp impurity separating device for crop straw papermaking, when the fiber is piled up to cause the blocking phenomenon at the filter screen, the blocking detecting and dredging mechanism can detect the blocking phenomenon and automatically dredge the filter screen, so that the production efficiency can be effectively improved.
As a further improvement of the application, the outer diameter of the slurry guide cylinder is matched with the inner diameter of the slurry filtering tube, the slurry guide cylinder is fixedly connected with the slurry receiving tank through the bracket, and the slurry filtering tube is in threaded connection with the slurry guide cylinder, so that the large-particle impurities separated by filtration are convenient to clean.
As a further improvement of the application, the separating device also comprises a heavy blocking and dredging component, the heavy blocking and dredging component comprises a supporting plate fixedly arranged on the outer wall of the pulp filtering pipe, the supporting plate is L-shaped, and a color identifier is fixedly arranged on the supporting plate and is positioned at the left lower part of the pulp filtering pipe.
As a further improvement supplement to the application, the heavy blocking dredging component also comprises a side filter screen pipe fixedly arranged on the top end of the filter screen, the side filter screen pipe is of a porous net structure, and the outer diameter of the side filter screen pipe is matched with the inner diameter of the filter pulp pipe.
In addition to the improvement of the application, the outer wall of the side filter screen tube is coated with pigment which can be identified by a color identifier, the color of the pigment is different from that of the slurry, a ringing reminding module is further arranged in the dredging controller, the color identifier is electrically connected with the blockage analysis module, the blockage analysis module is electrically connected with the ringing reminding module, and when serious blockage occurs at the filter screen caused by accumulation of large-particle impurities, the ringing reminding module can send a prompt to related staff.
As a further improvement supplement of the application, the side filter screen pipes and the filter screen are made of ferromagnetic materials, the heavy blocking dredging component also comprises a supporting box fixedly arranged in the slurry receiving tank, an electromagnet is fixedly arranged on the inner wall of the top end of the supporting box, the dredging control module is connected with the electromagnet in a ferroelectric way, the distance between the bottom end of the filter screen and the top end of the side filter screen pipe is smaller than the distance between the top end of the side filter screen pipe and the bottom end of the filter screen pipe, and the influence of large-particle impurity accumulation on the production efficiency can be remarkably reduced.
In addition to the improvement of the application, the outer cover of the color identifier is provided with a transparent cover which is made of transparent materials, and one end of the transparent cover, which is close to the slurry filtering pipe, is arranged in a spherical shape, so that the color identifier is prevented from being damaged by slurry, and the influence of the slurry on color identification is reduced.
In summary, through the joint arrangement of the guide and filter mechanism, the detection and dredging mechanism and the heavy blocking and dredging component, when the filter screen is blocked due to accumulation of fibers, the detection and dredging mechanism detects the blocking phenomenon and automatically dredges the filter screen, so that the problem of fiber accumulation and blocking is solved, the production efficiency can be effectively improved, and when the filter screen is seriously blocked due to accumulation of large-particle impurities, the ringing reminding module reminds relevant staff, so that the staff can timely clean the large-particle impurities filtered and separated from the filter screen, the production efficiency can be further improved, equipment damage can be prevented, the practicability is greatly improved, and in addition, even if the ringing reminding module reminds the staff that the large-particle impurities cannot be timely cleaned due to various reasons, the separating device can also filter the large-particle impurities in slurry with good effect and high efficiency, thereby remarkably reducing the influence of the accumulation of the large-particle impurities on the production efficiency, and further improving the production efficiency.
Drawings
Fig. 1 is a schematic perspective view showing a pulp impurity separating apparatus for crop straw papermaking according to a first embodiment of the present application;
FIG. 2 is a schematic cross-sectional view of a slurry guide in a first embodiment of the present application;
FIG. 3 is a schematic cross-sectional view of a filter tube according to a first embodiment of the present application;
FIG. 4 is a block diagram of a system configuration of a sample controller according to a first embodiment of the present application;
FIG. 5 is a schematic diagram showing the front view of the pulp impurity separator for crop straw papermaking according to the second embodiment of the present application;
FIG. 6 is a schematic cross-sectional view of a transparent cover according to a second embodiment of the present application;
FIG. 7 is a schematic cross-sectional view of a second embodiment of the application at a support box;
FIG. 8 is a schematic cross-sectional view of a filter tube according to a second embodiment of the present application;
fig. 9 is a block diagram of a system structure of a check dredge controller according to a second embodiment of the present application.
The reference numerals in the figures illustrate:
101. a slurry guiding cylinder; 102. a slurry filtering tube; 103. a slurry receiving pool; 104. a slurry inlet pipe; 105. a filter screen; 106. a cross bar; 107. an elastic pull rope; 201. detecting a blocking light floating plate; 202. a blocking detection switch; 203. a cylinder; 204. an elastic hanging rope; 003. a thinning detection controller; 401. a support plate; 402. a color identifier; 403. a side screen tube; 404. a support box; 405. an electromagnet; 406. a transparent cover.
Detailed Description
Two embodiments of the present application will be described in detail with reference to the accompanying drawings.
First embodiment:
1-3 show a paper pulp impurity separating device for crop straw papermaking, including leading to strain and connect the mechanism and examine to dredge stifled mechanism, lead to strain and connect the mechanism and including leading thick liquid section of thick bamboo 101, filter pulp pipe 102, connect thick liquid pond 103, the top of filter pulp pipe 102 and the bottom of leading thick liquid section of thick bamboo 101 are linked together, connect thick liquid pond 103 to be located the filter pulp pipe 102 under, the middle part of leading thick liquid section of thick bamboo 101 runs through and has inlayed into thick liquid pipe 104, movable mounting has the filter screen 105 with it in the filter pulp pipe 102, fixed mounting has horizontal pole 106 on the inner wall of filter pulp pipe 102, horizontal pole 106 is located the top of filter screen 105, and fixed connection has elastic pull rope 107 between horizontal pole 106 and the filter screen 105, examine to dredge stifled mechanism and including examining stifled light floating plate 201, examine stifled switch 202, cylinder 203, examine to dredge controller 003, examine to seal and connect to the top of leading to seal the top of plug light floating plate 201 cover and be established on the outer wall of thick liquid pipe 104, and examine to seal the plug floating plate 201 and be located the thick liquid pipe 104 slip seal connection, examine to seal the plug 201 and the inner wall of leading thick liquid section of thick bamboo 101, examine plug module 101, examine to seal and install on the plug module top of plug module 101 and fixed connection, the plug module top, it is connected to seal the plug module and leading to seal 101.
The slurry inlet pipe 104 is connected with a pipeline for conveying slurry, the slurry falls into the slurry filtering pipe 102 through the slurry inlet pipe 104, the filter screen 105 can filter the slurry so as to separate large particle impurities from the slurry, the filtered slurry falls into the slurry receiving tank 103, if the fiber in the slurry is accumulated and blocked at the filter screen 105, the flow speed of the slurry can be reduced, the flow speed of the slurry flowing out of the slurry filtering pipe 102 is lower than the flow speed of the slurry flowing into the slurry filtering pipe 102 through the slurry inlet pipe 104, so that the slurry in the slurry filtering pipe 102 is more and more, the liquid level of the slurry is higher along with the increase of the slurry, when the liquid level of the slurry rises to the position of the plugging detection light floating plate 201, the plugging detection light floating plate 201 moves upwards under the action of the floating force until the plugging detection light floating plate 201 is extruded to trigger the plugging detection switch 202, after the plugging detection switch 202 is triggered, the plugging analysis module sends instructions to the plugging control module, the dredging control module is enabled to actuate the cylinder 203, so that the cylinder 203 pushes the blocking detection light floating plate 201 downwards, and the cylinder 203 pushes the blocking detection light floating plate 201 to move downwards for a certain distance, then the blocking detection light floating plate 201 can be automatically reset under the action of the elastic hanging rope 204, the downward movement of the blocking detection light floating plate 201 can squeeze the slurry below the blocking detection light floating plate, so that the fiber piled at the filter screen 105 can pass through the filter screen 105 due to extrusion, and when the filter screen 105 is extruded with a large force, the elastic pull rope 107 can be stretched, so that the filter screen 105 moves downwards for a certain distance, thereby preventing large particle impurities from passing through the filter screen 105 due to extrusion with a large force, affecting the impurity separation effect, and preventing the meshes on the filter screen 105 from being supported and deformed greatly, when the filter screen 105 is blocked due to fiber accumulation, the blocking detection mechanism can detect the blocking phenomenon and automatically dredge the filter screen 105, so that the problem of fiber accumulation blocking is solved, and the production efficiency can be effectively improved.
Referring to fig. 3, the outer diameter of the slurry guiding tube 101 is matched with the inner diameter of the slurry guiding tube 102, the slurry guiding tube 101 is fixedly connected with the slurry receiving tank 103 through a bracket, the slurry guiding tube 102 is in threaded connection with the slurry guiding tube 101, when the large-particle impurities filtered and separated by the filter screen 105 need to be cleaned, the slurry guiding tube 101 can be separated from the slurry guiding tube 102 by rotating the slurry guiding tube 102, and then the large-particle impurities can be poured out, so that the large-particle impurities filtered and separated are convenient to clean.
Second embodiment:
fig. 5-9 show a pulp impurity separating device for crop straw papermaking, which is different from the first embodiment in that the pulp impurity separating device for crop straw papermaking in this embodiment further comprises a heavy blocking and dredging component, the heavy blocking and dredging component comprises a supporting plate 401 fixedly installed on the outer wall of the pulp filtering tube 102, the supporting plate 401 is L-shaped, a color identifier 402 is fixedly installed on the supporting plate 401, the color identifier 402 is positioned at the left lower part of the pulp filtering tube 102, the heavy blocking and dredging component further comprises a side filtering screen tube 403 fixedly installed on the top end of the filtering screen 105, the side filtering screen tube 403 is of a porous net structure, the outer diameter of the side filtering screen tube 403 is matched with the inner diameter of the pulp filtering tube 102, the outer wall of the side filtering screen tube 403 is coated with pigment which can be identified by the color identifier 402, the color of the pigment is different from that of the pulp, a bell reminding module is also installed in the bell reminding controller 003, the color identifier 402 is electrically connected with the blockage analysis module, the blockage analysis module is electrically connected with the bell reminding module, along with the filtration and separation of large-particle impurities, the large-particle impurities at the filter screen 105 are more and more, the serious blockage phenomenon can occur at the filter screen 105, the blockage phenomenon can also cause the blockage detection light floating plate 201 to trigger the blockage detection switch 202, so that the air cylinder 203 pushes the blockage detection light floating plate 201 downwards, but unlike the blockage phenomenon caused by fiber accumulation, the large-particle impurities can not pass through the filter screen 105 even if being extruded, at the moment, the air cylinder 203 pushes the blockage detection light floating plate 201 downwards, the blockage problem at the moment can not be solved, and the elastic pull rope 107 can be greatly stretched due to the overlarge extrusion of the filter screen 105, the filter screen 105 and the side filter screen tube 403 can greatly move downwards, the partial side filter screen pipe 403 is moved to the outside of the filter pulp pipe 102, so that the color identifier 402 can identify pigment on the outer wall of the side filter screen pipe 403, when the color identifier 402 finishes identification, the information is fed back to the blockage analysis module, so that the blockage analysis module starts the ringing reminding module, and reminding can be sent to related staff, therefore, when serious blockage phenomenon occurs at the filter screen 105 caused by accumulation of large-particle impurities, the ringing reminding module can send reminding to the related staff, and the staff is prompted to clean the large-particle impurities filtered and separated at the filter screen 105 in time, so that the production efficiency can be further improved, equipment damage can be prevented, and the practicability is greatly improved.
Referring to fig. 7-9, the side filter tube 403 and the filter screen 105 are made of ferromagnetic materials, the heavy blocking dredging assembly further comprises a supporting box 404 fixedly installed in the slurry receiving tank 103, an electromagnet 405 is fixedly installed on the inner wall of the top end of the supporting box 404, the dredging control module is electrically connected with the electromagnet 405, the distance between the bottom end of the filter screen 105 and the top end of the side filter tube 403 is smaller than the distance between the top end of the side filter tube 403 and the bottom end of the slurry tube 102, when the filter screen 105 is severely blocked due to accumulation of large particle impurities, the blocking analysis module starts the ringing reminding module and sends an instruction to the dredging control module, so that the dredging control module starts the electromagnet 405, under the action of magnetic attraction, the filter screen 105 can move downwards to abut against the top end of the supporting box 404, and part of the side filter tube 403 is kept outside the slurry tube 102, so that the slurry can flow out through meshes on the side filter tube 403, but the large particle impurities in the slurry can be filtered and separated out, therefore, even if the ringing reminding module sends a warning to a worker, the ringing reminding module can not timely remind the worker to clean large particle impurities, the large particle impurities in the slurry can be further greatly filtered, the efficiency of the application can be greatly improved, and the efficiency of the accumulated particle impurities can be greatly improved, and the production efficiency can be greatly improved.
Referring to fig. 6, the outer cover of the color identifier 402 is provided with a transparent cover 406, the transparent cover 406 is made of transparent material, and one end of the transparent cover 406, which is close to the slurry filtering tube 102, is spherical, so that slurry is prevented from damaging the color identifier 402, and the influence of the slurry on color identification is reduced.
The present application is not limited to the above-described embodiments, which are adopted in connection with the actual demands, and various changes made by the person skilled in the art without departing from the spirit of the present application are still within the scope of the present application.
Claims (8)
1. The utility model provides a paper pulp impurity separation device for crop straw papermaking, includes leads to strain and connects mechanism and examine to dredge stifled mechanism, its characterized in that, lead to strain and connect mechanism and include to lead thick liquid section of thick bamboo (101), strain thick bamboo pipe (102), connect thick liquid pond (103), the top of straining thick liquid pipe (102) is linked together with the bottom of leading thick liquid section of thick bamboo (101), connect thick liquid pond (103) to be located under straining thick liquid pipe (102), the middle part of leading thick liquid section of thick bamboo (101) runs through and inlays and has into thick liquid pipe (104), movable mounting has filter screen (105) with it assorted in straining thick liquid pipe (102), fixedly mounted has horizontal pole (106) on the inner wall of straining thick liquid pipe (102), horizontal pole (106) are located the top of filter screen (105), and fixedly connected with elasticity stay cord (107) between horizontal pole (106) and filter screen (105);
the utility model provides a examine to dredge stifled mechanism including examining stifled light floating plate (201), examining stifled switch (202), cylinder (203), examine to dredge controller (003), examine stifled light floating plate (201) cover and establish on the outer wall of advance thick liquid pipe (104), and examine stifled light floating plate (201) and advance thick liquid pipe (104) sliding seal connection, examine the inner wall sliding seal connection of stifled light floating plate (201) and thick liquid guide tube (101), examine stifled switch (202) fixed mounting on the side inner wall of thick liquid guide tube (101), and examine stifled switch (202) are located the top of examining stifled light floating plate (201), cylinder (203) fixed mounting is on the top inner wall of thick liquid guide tube (101), examine to dredge controller (003) fixed mounting on the outer wall of thick liquid guide tube (101), examine between the top inner wall of stifled light floating plate (201) and thick liquid guide tube (101) fixedly connected with a pair of elastic rope (204), examine to dredge in controller (003) and be provided with in the stifled control module, dredge control module and examine to dredge, dredge module and be connected with electric block analysis module.
2. The pulp impurity separating device for crop straw papermaking according to claim 1, wherein the outer diameter of the pulp guiding cylinder (101) is matched with the inner diameter of the pulp filtering tube (102), the pulp guiding cylinder (101) is fixedly connected with the pulp receiving tank (103) through a bracket, and the pulp filtering tube (102) is in threaded connection with the pulp guiding cylinder (101).
3. The pulp impurity separating device for crop straw papermaking, according to claim 1, further comprising a heavy blocking component, wherein the heavy blocking component comprises a supporting plate (401) fixedly installed on the outer wall of the pulp filtering pipe (102), the supporting plate (401) is in an L shape, a color identifier (402) is fixedly installed on the supporting plate (401), and the color identifier (402) is located at the lower left side of the pulp filtering pipe (102).
4. A pulp impurity separating device for crop straw papermaking according to claim 3, wherein the heavy blocking dredging assembly further comprises a side filter screen pipe (403) fixedly arranged on the top end of the filter screen (105), the side filter screen pipe (403) is of a porous net structure, and the outer diameter of the side filter screen pipe (403) is matched with the inner diameter of the filter pulp pipe (102).
5. The pulp impurity separating device for crop straw papermaking according to claim 4, wherein the outer wall of the side filter screen pipe (403) is coated with pigment which can be identified by a color identifier (402), the color of the pigment is different from that of slurry, a ringing reminding module is further arranged in the dredging controller (003), the color identifier (402) is electrically connected with the blockage analyzing module, and the blockage analyzing module is electrically connected with the ringing reminding module.
6. The pulp impurity separating device for crop straw papermaking according to claim 5, wherein the side filter screen pipes (403) and the filter screen (105) are made of ferromagnetic materials, the heavy blocking dredging component further comprises a supporting box (404) fixedly installed in the pulp receiving tank (103), an electromagnet (405) is fixedly installed on the inner wall of the top end of the supporting box (404), and the dredging control module is electrically connected with the electromagnet (405).
7. The pulp impurity separating device for crop straw papermaking according to claim 6, wherein the distance between the bottom end of the filter screen (105) and the top end of the side filter screen pipe (403) is smaller than the distance between the top end of the side filter screen pipe (403) and the bottom end of the pulp filtering pipe (102).
8. A pulp impurity separating device for crop straw papermaking according to claim 3, wherein a transparent cover (406) is covered on the outer side of the color identifier (402), the transparent cover (406) is made of transparent material, and one end of the transparent cover (406) close to the pulp filtering tube (102) is spherical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311337538.7A CN117090073A (en) | 2023-10-17 | 2023-10-17 | Paper pulp impurity separating device for crop straw papermaking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311337538.7A CN117090073A (en) | 2023-10-17 | 2023-10-17 | Paper pulp impurity separating device for crop straw papermaking |
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| Publication Number | Publication Date |
|---|---|
| CN117090073A true CN117090073A (en) | 2023-11-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311337538.7A Pending CN117090073A (en) | 2023-10-17 | 2023-10-17 | Paper pulp impurity separating device for crop straw papermaking |
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| CN (1) | CN117090073A (en) |
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| CN115624820A (en) * | 2022-11-01 | 2023-01-20 | 江苏华艺服饰有限公司 | Waste gas filtering device for production of chemical fiber blended yarn |
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