Energy-saving pulping short fiber slag separator

Abstract

The utility model relates to an energy-saving pulping short fiber slag separator, which comprises a first slag separator and a second slag separator, the first slag separator and the second slag separator are connected through a first pressure pump, a slag outlet of the second slag separator is provided with a second pressure pump, the second pressure pump is connected with the first slag separator, and the first slag separator is provided with a slag outlet. The first slag separator comprises a filtering barrel, a filtering plate and a flow guide first filtering piece, and the filtering barrel and the flow guide first filtering piece are installed in the filtering barrel. According to the energy-saving pulping short fiber slag separator, when slag is removed, paper pulp is firstly input into the first slag separator to be subjected to primary slag removal, and then the paper pulp subjected to slag removal enters the second slag separator to be subjected to secondary slag removal; impurities discharged by the second slag separator and impurities discharged by the first slag separator are gathered into the first slag separator again to be subjected to slag removal screening at a time, multiple times of slag removal are achieved, it is guaranteed that paper pulp is not wasted, and slag can be completely removed.

Description

Technical Field

[0001] The utility model belongs to the technical field of papermaking, and in particular relates to an energy-saving pulping short fiber remover. Background Art

[0002] Pulp is made from certain plants and is the basic raw material for papermaking. Plants usually used for pulping can be divided into four categories: stem fiber, bast fiber, seed hair fiber and wood fiber, among which wood fiber is the most important. Pulp contains some impurities. If these impurities cannot be removed, they will affect the quality of the paper and cause economic losses to the factory.

[0003] However, in the utility model of a pulp slag remover disclosed in the existing public document CN214362519U, the brush and the cleaning plate are fitted together so that the brush can clean the filter plate during the rotation of the cleaning plate, and the impurities on the surface of the filter plate can be swept into the collecting groove in the middle of the filter plate. Although it can prevent clogging by impurities, the pulp only undergoes one slag removal process, and some paper materials are still present in the cleaned impurities, which is easy to cause waste. Utility Model Content

[0004] In view of the deficiencies in the prior art, the technical problem to be solved by the utility model is to provide an energy-saving pulping short fiber slag remover, which can perform multiple slag removals to ensure complete utilization of pulp.

[0005] In order to solve the above technical problems, the technical solution adopted by the utility model is: an energy-saving pulping short fiber remover, comprising a first remover and a second remover, the first remover and the second remover are connected by a first pressure pump, the slag outlet of the second remover is provided with a second pressure pump, the second pressure pump is connected to the first remover, the first remover comprises a filter barrel, a filter plate and a first-stage diversion filter element, the filter barrel and the first-stage diversion filter element are installed in the filter barrel, the filter plate is located below the first-stage diversion filter element, a pulp storage chamber is provided between the filter plate and the bottom of the filter barrel, and a pulp discharge pipe is connected to the pulp storage chamber.

[0006] A forward and reverse motor is installed on the top of the filter barrel, and a transmission rod is rotatably installed in the first-level filter element of the diversion, and the transmission rod is connected to the forward and reverse motor drive. The bottom of the transmission rod extends and is placed below the first-level filter element of the diversion, and is connected to a cleaning piece. The cleaning end of the cleaning piece is arranged in contact with the top of the filter plate, and a slag guide groove is provided in the middle part of the filter plate, and a slag discharge pipe connected to the slag guide groove is provided on the side wall of the filter barrel.

[0007] The slag guiding groove is arranged to be inclined from high to low toward the slag discharging pipe.

[0008] High-pressure water sprayers are respectively installed on the corresponding sides of the outer wall of the filter barrel, and the output end of the high-pressure water sprayer is arranged toward the brush of the cleaning piece.

[0009] The first-level filter element of the diversion includes a hollow support column, which is fixedly installed in the filter barrel, and the surface of the hollow support column is provided with a spiral diversion filter blade. The transmission rod is rotatably placed in the hollow support column, and the side wall of the hollow support column is provided with a spiral guide groove along the spiral direction of the spiral diversion filter blade. A slider is installed in the spiral guide groove, and the end of the slider located in the hollow support column is provided with a threaded sleeve, the transmission rod is provided with an external thread matching the threaded sleeve, and the end of the slider located outside the hollow support column is provided with a toggle brush, and the brush surface of the toggle brush is arranged in contact with the guide surface of the spiral diversion filter blade.

[0010] A water spraying member is provided on the top of the filter barrel, and an output end of the water spraying member is arranged toward the first filter member for flow guidance.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] The utility model discloses an energy-saving pulping short fiber slag remover. When removing slag, the pulp is first input into a first slag remover for a first heavy slag removal, and then the pulp after the slag removal enters a second slag remover for a second slag removal, and the impurities discharged by the second slag remover and the impurities discharged by the first slag remover are re-collected into the first slag remover for a slag removal and screening, thereby realizing multiple slag removals, ensuring that the pulp is not wasted and the slag can be completely removed. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural schematic diagram of the slag remover of the utility model;

[0014] Figure 2 This is a schematic diagram of the internal structure of the first slag remover of the utility model;

[0015] Figure 3 It is a schematic diagram of the cross-sectional structure of the hollow support column of the utility model.

[0016] Markings in the figure: 1. First slag remover; 2. Second slag remover; 3. First pressure pump; 4. Second pressure pump; 5. Filter barrel; 6. Filter plate; 7. Hollow support column; 8. Spiral guide filter blade; 9. Forward and reverse motor; 10. Transmission rod; 11. Cleaning part; 12. Slag guide groove; 13. Slag discharge pipe; 14. High-pressure water sprayer; 15. Threaded sleeve; 16. Toggle brush; 17. Water spray part. DETAILED DESCRIPTION

[0017] In order to make the above features and advantages of the present invention more obvious and understandable, embodiments are given below with reference to the accompanying drawings for detailed description as follows.

[0018] like Figure 1-Figure 3 As shown, the present embodiment provides an energy-saving pulping short fiber slag remover, comprising a first slag remover 1 and a second slag remover 2, the first slag remover 1 and the second slag remover 2 are connected via a first pressure pump 3, a slag outlet of the second slag remover 2 is provided with a second pressure pump 4, the second pressure pump 4 is connected to the first slag remover 1, the slag outlet of the first slag remover 1 is connected to the second pressure pump 4, the first slag remover 1 comprises a filter barrel 5, a filter plate 6 and a first-stage flow guide filter element, the filter barrel 5 and the first-stage flow guide filter element are installed in the filter barrel 5, the filter plate 6 is located below the first-stage flow guide filter element, a pulp storage chamber is provided between the filter plate 6 and the bottom of the filter barrel 5, and a pulp discharge pipe is connected to the pulp storage chamber. During deslagging, the pulp is first input into the first deslagging device 1 for the first heavy deslagging, and then the deslagging pulp enters the second deslagging device 2 for the second deslagging, and the impurities discharged from the second deslagging device 2 and the impurities discharged from the first deslagging device 1 are re-entered into the first deslagging device 1 for the first deslagging screening, thereby realizing multiple deslagging, ensuring that the pulp is not wasted and can be completely deslagging.

[0019] Furthermore, a forward and reverse motor 9 is installed on the top of the filter barrel 5, and a transmission rod 10 is rotatably installed in the first filter element of the diversion. The transmission rod 10 is connected to the forward and reverse motor 9. The bottom of the transmission rod 10 extends and is placed below the first filter element of the diversion, and is connected to a cleaning piece 11. The cleaning end of the cleaning piece 11 is arranged to fit the top of the filter plate 6. A slag guide groove 12 is recessed downward in the middle of the filter plate 6, and a slag discharge pipe 13 connected to the slag guide groove 12 is provided on the side wall of the filter barrel 5. Specifically, the slag guide groove 12 is inclined from high to low toward the slag discharge pipe 13. The transmission rod 10 is driven by the forward and reverse motor 9 to drive the cleaning piece 11 to rotate in the forward direction, thereby cleaning the impurities on the filter plate 6, so that the impurities fall into the slag guide groove 12 and are discharged from the slag discharge pipe 13.

[0020] Furthermore, high-pressure water sprayers 14 are respectively installed on the corresponding sides of the outer wall of the filter barrel 5, and the output end of the high-pressure water sprayer 14 is arranged toward the brush of the cleaning member 11. The brush of the cleaning member 11 is sprayed and washed by the high-pressure water sprayer 14 to prevent excessive impurities from sticking to the brush of the cleaning member 11, thereby losing the effect.

[0021] Furthermore, the first filter element of the diversion includes a hollow support column 7, which is fixedly installed in the filter barrel 5. The surface of the hollow support column 7 is provided with a spiral guide filter blade 8. The transmission rod 10 is rotatably placed in the hollow support column 7. The side wall of the hollow support column 7 is provided with a spiral guide groove along the spiral direction of the spiral guide filter blade 8. A slider is installed in the spiral guide groove. The end of the slider located in the hollow support column 7 is provided with a threaded sleeve 15. The transmission rod 10 is provided with an external thread matching the threaded sleeve 15. The end of the slider located outside the hollow support column 7 is provided with a toggle brush 16, and the brush surface of the toggle brush 16 is arranged to fit the guide surface of the spiral guide filter blade 8. Through the forward drive of the forward and reverse motor 9, the slider moves along the spiral guide groove through the threaded sleeve 15 and the transmission rod 10, thereby cleaning the impurities on the spiral guide filter blades 8 from top to bottom with the toggle brush 16. When the forward and reverse motor 9 is driven in the reverse direction, the slider cleans the impurities on the spiral guide filter blades 8 from bottom to top with the toggle brush 16 to prevent the spiral guide filter blades 8 from being blocked.

[0022] Furthermore, a water spraying member 17 is provided on the top of the filter barrel 5, and the output end of the water spraying member 17 is arranged toward the first-stage flow guiding filter element. The auxiliary pulp moves along the first-stage flow guiding filter element for filtration.

[0023] Furthermore, the second slag remover 2 is configured to have the same structure as the first slag remover 1 .

[0024] The above shows and describes the basic principles and main features of the invention and the advantages of the invention. Those skilled in the art should understand that the invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the invention. Without departing from the spirit and scope of the invention, the invention may have various changes and improvements, which shall fall within the scope of the invention to be protected. The scope of protection of the invention shall be defined by the attached claims and their equivalents.

Claims

1. An energy-saving pulping short fiber cleaner, characterized in that: It includes a first slag remover and a second slag remover, the first slag remover and the second slag remover are connected by a first pressure pump, the slag outlet of the second slag remover is provided with a second pressure pump, the second pressure pump is connected to the first slag remover, the first slag remover includes a filter barrel, a filter plate and a first-stage diversion filter element, the filter barrel and the first-stage diversion filter element are installed in the filter barrel, the filter plate is located below the first-stage diversion filter element, a slurry storage chamber is provided between the filter plate and the bottom of the filter barrel, and a slurry discharge pipe is connected to the slurry storage chamber.

2. The energy-saving pulping short fiber cleaner according to claim 1, characterized in that: A forward and reverse motor is installed on the top of the filter barrel, and a transmission rod is rotatably installed in the first-level filter element of the diversion, and the transmission rod is connected to the forward and reverse motor drive. The bottom of the transmission rod extends and is placed below the first-level filter element of the diversion, and is connected to a cleaning piece. The cleaning end of the cleaning piece is arranged in contact with the top of the filter plate, and a slag guide groove is provided in the middle part of the filter plate, and a slag discharge pipe connected to the slag guide groove is provided on the side wall of the filter barrel.

3. The energy-saving pulping short fiber cleaner according to claim 2 is characterized in that: The slag guiding groove is arranged to be inclined from high to low toward the slag discharging pipe.

4. The energy-saving pulping short fiber cleaner according to claim 2, characterized in that: High-pressure water sprayers are respectively installed on the corresponding sides of the outer wall of the filter barrel, and the output end of the high-pressure water sprayer is arranged toward the brush of the cleaning piece.

5. The energy-saving pulping short fiber cleaner according to claim 2, characterized in that: The first-level filter element of the diversion includes a hollow support column, which is fixedly installed in the filter barrel, and the surface of the hollow support column is provided with a spiral diversion filter blade. The transmission rod is rotatably placed in the hollow support column, and the side wall of the hollow support column is provided with a spiral guide groove along the spiral direction of the spiral diversion filter blade. A slider is installed in the spiral guide groove, and the end of the slider located in the hollow support column is provided with a threaded sleeve, the transmission rod is provided with an external thread matching the threaded sleeve, and the end of the slider located outside the hollow support column is provided with a toggle brush, and the brush surface of the toggle brush is arranged in contact with the guide surface of the spiral diversion filter blade.

6. The energy-saving pulping short fiber cleaner according to claim 1, characterized in that: A water spraying member is provided on the top of the filter barrel, and an output end of the water spraying member is arranged toward the first filter member for flow guidance.

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