Low-energy-consumption high-quality straw paper production equipment and process thereof

Abstract

The application relates to the corrugated paper production field, in particular to low-energy-consumption high-quality corrugated paper production equipment and a process thereof. Technical problem: In the process of corrugated paper production, the thick white water needs to be recycled for multiple times to realize thickening or dilution of the white water due to the physical performance characteristics of internal materials, thereby causing the working cost of the whole corrugated paper production equipment to increase. Technical scheme: The low-energy-consumption high-quality corrugated paper production equipment comprises a pulping assembly and a headbox assembly. The application adds guanidine hydrochloride and a fat enzyme or a gum control agent to pulp before thick white water is formed, so that the internal gum of the pulp is controlled, the thick white water can be quickly diluted or thickened, and the problem that the thick white water needs to be recycled for multiple times to realize thickening or dilution of the white water due to the physical performance characteristics of internal materials in the process of corrugated paper production is solved.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of corrugated paper production, and particularly relates to a low-energy-consumption high-quality corrugated paper production equipment and a process thereof. BACKGROUND

[0002] Corrugated paper, also known as corrugated paperboard, is a multi-layer adhesive body, which is composed of at least one wave-shaped core paper interlayer and one paperboard, has high mechanical strength, and can resist collision and falling during transportation. The actual performance of corrugated paperboard depends on three factors: the characteristics of core paper and paperboard and the structure of the paper box itself. However, in the existing corrugated paper production process, the thick white water needs to be recycled multiple times to achieve thickening or dilution of the thick white water, which results in the need to arrange multiple water pumps in the recycling process, thereby greatly increasing the water replacement frequency of the entire corrugated paper production equipment every day, and further causing the production cost of the entire corrugated paper production equipment to rise. SUMMARY

[0003] In order to overcome the problem that in the process of corrugated paper production, the thick white water needs to be recycled multiple times to achieve thickening or dilution of the thick white water due to the physical properties of the internal materials, thereby causing the operating cost of the entire corrugated paper production equipment to rise.

[0004] The technical scheme of the present application is as follows: a low-energy-consumption high-quality corrugated paper production equipment, comprising a pulping assembly, a support assembly, a thickening and screening assembly, a refining assembly, a dosing assembly, a pressure screen assembly and a headbox assembly; the pulping assembly is provided with the support assembly on one side; the lower end of the pulping assembly is fixedly connected with the thickening and screening assembly; the lower end of the thickening and screening assembly is fixedly connected with the refining assembly; the lower end of the refining assembly is provided with the dosing assembly; the dosing assembly is fixedly connected with the pressure screen assembly on one side; and the pressure screen assembly is fixedly connected with the headbox assembly on one side.

[0005] Preferably, the pulping operation is performed by the pulping assembly, the pulp is thickened and screened by the thickening and screening assembly, and then refined by the refining assembly; the multiple additives are fed into the pulp by the dosing assembly; and finally, the screening and netting processes are performed by the pressure screen assembly and the headbox assembly, respectively.

[0006] As preferred, the pulping assembly comprises a box shell, a rotating column, a transmission wheel, pulping strips, a sealing sheet, a fixed sheet, an electric push rod, a guide rod and a liquid outlet pipe; the inner side of the box shell is provided with the rotating column; the upper end of the rotating column is provided with the transmission wheel; the lower end surface of the rotating column is connected with the sealing sheet through a fixed rod; the outer side of the sealing sheet is provided with a plurality of pulping strips; the outer side of the box shell is fixedly connected with a plurality of fixed sheets; a plurality of electric push rods are installed on the lower end and the upper end of the fixed sheet; one guide rod is arranged between adjacent two electric push rods; the lower end surface of the box shell is fixedly connected with the liquid outlet pipe.

[0007] As preferred, the bracket assembly comprises a back baffle, a first motor, a rotating wheel, a motor rotating shaft, a conveyor belt and a fixed bracket; one side of the box shell is fixedly connected with the back baffle; the back baffle is installed with the first motor on one side; the first motor is connected with the motor rotating shaft through a shaft coupling on the upper end; the outer side of the motor rotating shaft is fixedly connected with the rotating wheel; the outer side of the rotating wheel is provided with the conveyor belt; the back baffle is installed with the fixed bracket on the front end and the rear end.

[0008] As preferred, the concentration and screening assembly comprises a liquid guide pipe, an exhaust pipe, a concentration box, a heating pipe, a fixed ring and a filter plate; the lower end of the liquid outlet pipe is provided with the liquid guide pipe; the liquid guide pipe is fixedly connected with the exhaust pipe on one side; the lower end of the liquid guide pipe is provided with the concentration box; the inner side of the concentration box is provided with the heating pipe; the inner side of the concentration box is provided with the fixed ring; the fixed ring is fixedly connected with the filter plate.

[0009] As preferred, the pulping assembly comprises a liquid inlet pipe, a first pulping cover, a positioning groove, a mounting nut, a fixed grinding wheel, a liquid outlet frame, a second pulping cover, a positioning rod, a spiral feeding rod, a rotating grinding wheel and a second motor; the lower end of the fixed ring is provided with the liquid inlet pipe; the liquid inlet pipe is provided with the first pulping cover on one side; the first pulping cover is provided with the positioning groove.

[0010] As preferred, the side end surface of the first pulping cover is provided with the mounting nut; the inner side of the first pulping cover is provided with the fixed grinding wheel; the lower end of the first pulping cover is provided with the liquid outlet frame; the inner side of the positioning groove is provided with the positioning rod; the positioning rod is provided with the second pulping cover on one side; the inner side of the second pulping cover is provided with the rotating grinding wheel; the rotating grinding wheel is fixedly connected with the spiral feeding rod; the rotating grinding wheel is connected with the second motor through a rotating shaft on one side.

[0011] As preferred, the medicine adding assembly comprises a mixing tank, an electric ring rail, an electric sliding block, a material collecting box, a fixed frame, a rotating frame, a connecting shaft, a discharging chute, a stirring shaft, stirring blades, a third motor, a discharging pipe, a mounting frame and a discharging pipe; the lower end of the liquid outlet frame is provided with the mixing tank; the outer side of the mixing tank is provided with the electric ring rail; the inner side of the electric ring rail is electrically connected with the electric sliding block; the upper end of the electric sliding block is provided with the material collecting box; the upper end of the material collecting box is provided with the fixed frame; the inner side of the fixed frame is provided with the rotating frame; the rotating frame is fixedly connected with the connecting shaft; the lower end of the connecting shaft is connected with the stepping motor through a shaft coupling, and the stepping motor is connected with the material collecting box through bolts; the lower end of the material collecting box is provided with the discharging chute; the inner side of the mixing tank is provided with the stirring shaft; the outer side of the stirring shaft is fixedly connected with the plurality of stirring blades; the lower end of the stirring shaft is provided with the third motor; one side of the third motor is provided with the discharging pipe; the other side of the third motor is provided with the mounting frame.

[0012] As preferred, the pressure screen assembly comprises a pressure screen body, a connecting support and a communication pipe; one side of the discharging pipe is provided with the pressure screen body; the lower end of the pressure screen body is provided with the connecting support; one side of the connecting support is provided with the communication pipe.

[0013] As preferred, the headbox assembly comprises a headbox body and a supporting leg; one side of the communication pipe is provided with the headbox body; the lower end of the headbox body is provided with the supporting leg.

[0014] A production process of a corrugated paper production equipment with low energy consumption and high quality comprises the following steps:

[0015] S1, first, insert the positioning rod into the inside of the positioning groove, and make the first grinding cover and the second grinding cover fit, and finally lock the positioning rod through the installation nut, send the waste carton paper and office mixed waste paper into the inside of the box shell in a ratio of 7:3, and drive the rotating column to rotate through the first motor, so that the pulper strip can perform pulping treatment on the waste carton paper and office mixed waste paper, after a period of time, the pulp is discharged from the liquid outlet pipe through the separation sealing piece and the liquid outlet pipe;

[0016] S2, heat and concentrate the pulp through the heating pipe in the concentration box, and filter the pulp through the filter plate, after a period of time, send the pulp into the inside of the first grinding cover through the liquid inlet pipe, and drive the rotating grinding wheel to rotate through the second motor, so that the rotating grinding wheel and the fixed grinding wheel can cooperate with each other to grind the pulp, and then discharge the pulp through the liquid outlet frame, and control the beating degree of the pulp produced by the grinding assembly to be 45°SR;

[0017] S3, the slurry entering the mixing tank will contact with the whitening agent, paper strength enhancer, retention aid and guanidine hydrochloride added by the dosing assembly and lipase or adhesive control agent in the interior of the mixing tank, and is mixed and diluted under the action of the third motor, stirring shaft and stirring blade, enters the interior of the pressure screen main body after a period of time, is pumped into the interior of the headbox main body after screening by the pressure screen main body, and is formed, pressed, dried and sized through the action of the pressing part, drying part and sizing part, and finally is pre-coated, mid-coated and top-coated by curtain coating to realize the production of the fluting paper.

[0018] The beneficial effects of the present application are:

[0019] 1. By adding guanidine hydrochloride and lipase or adhesive control agent to the slurry before the formation of thick white water, the internal adhesive of the slurry is controlled, so that the thick white water can be quickly diluted or thickened, to solve the problem that in the process of fluting paper production, the thick white water needs to be recycled multiple times to achieve thickening or dilution, resulting in an increase in the operating cost of the entire fluting paper production equipment, thereby greatly improving the working efficiency of the entire fluting paper production equipment.

[0020] 2. By sending guanidine hydrochloride and lipase or adhesive control agent into the interior of the fixed frame, and driving the connecting shaft in the interior of the material collecting box to rotate by the motor, the rotating frame is driven to rotate by the rotating connecting shaft, so that guanidine hydrochloride and lipase or adhesive control agent can enter the interior of the material collecting box through the discharge slot, and be uniformly sent into the interior of the mixing tank through the discharge pipe and the electrically connected electric ring rail and electric sliding block, so that guanidine hydrochloride and lipase or adhesive control agent can be fully mixed with the slurry, thereby realizing the rapid thickening and dilution of the thick white water, and greatly improving the use convenience of the entire fluting paper production equipment.

[0021] 3. The fixed sheet is driven to move upward by the electric push rod, so that the sealing sheet is separated from the liquid outlet pipe, so that the slurry formed by the waste box board paper and office mixed waste paper in the interior of the box shell can be quickly discharged from the box shell, so that the liquid outlet pipe will not produce the phenomenon of paper accumulation in the process of pulping, thereby improving the use safety of the entire fluting paper production equipment to a certain extent, and greatly improving the use comfort of the entire fluting paper production equipment.

[0022] 4, The third motor drives the stirring shaft to rotate, so that the rotating stirring shaft drives the plurality of stirring blades to rotate synchronously, so that the pulp and the catalytic material in the mixing tank can be fully mixed, thereby improving the working efficiency of the whole straw paper production equipment, and further greatly reducing the use cost of the whole straw paper production equipment. BRIEF DESCRIPTION OF DRAWINGS

[0023] Fig. 1 A first three-dimensional configuration schematic view of the straw paper production equipment is shown.

[0024] Fig. 2 A second three-dimensional configuration schematic view of the straw paper production equipment is shown.

[0025] Fig. 3 A three-dimensional configuration schematic view of a pulping assembly of the straw paper production equipment is shown.

[0026] Fig. 4 A three-dimensional configuration schematic view of a thickening and screening assembly of the straw paper production equipment is shown.

[0027] Fig. 5 A first three-dimensional configuration schematic view of a refining assembly of the straw paper production equipment is shown.

[0028] Fig. 6 A second three-dimensional configuration schematic view of the refining assembly of the straw paper production equipment is shown.

[0029] Fig. 7 A three-dimensional configuration schematic view of a dosing assembly of the straw paper production equipment is shown.

[0030] Explanation of reference signs: 1-pulping assembly, 2-support assembly, 3-concentration screening assembly, 4-milling assembly, 5-dosing assembly, 6-pressure screen assembly, 7-flow box assembly, 101-box shell, 102-rotating column, 103-driving wheel, 104-pulping strip, 105-sealing piece, 106-fixing piece, 107-electric push rod, 108-guide rod, 109-outlet pipe, 201-back baffle, 202-first motor, 203-rotating wheel, 204-motor shaft, 205-conveying belt, 206-fixing support, 301-liquid guide pipe, 302-exhaust pipe, 303-concentration box, 304-heating pipe, 305-fixing ring, 306-filter plate, 401-liquid inlet pipe, 402-first milling cover, 403-positioning groove, 404-mounting nut, 405-fixing milling wheel, 406-outlet frame, 407-second milling cover, 408-positioning rod, 409-spiral feeding rod, 410-rotating milling wheel, 411-second motor, 501-mixing tank, 502-electric ring rail, 503-electric sliding block, 504-material collecting box, 505-fixing frame, 506-rotating frame, 507-connection shaft, 508-discharging groove, 509-stirring shaft, 510-stirring blade, 511-third motor, 512-discharging pipe, 513-mounting frame, 514-discharging pipe, 601-pressure screen main body, 602-connection support, 603-communication pipe, 701-flow box main body, 702-supporting leg. DETAILED DESCRIPTION

[0031] The application will be further described below in conjunction with the drawings and examples.

[0032] Please refer to Figs. 1-2 The application provides an embodiment: a low-energy-consumption high-quality straw paper production equipment, comprising a pulping assembly 1, a support assembly 2, a concentration screening assembly 3, a milling assembly 4, a dosing assembly 5, a pressure screen assembly 6 and a flow box assembly 7; the pulping assembly 1 is provided with the support assembly 2 on one side; the lower end of the pulping assembly 1 is fixedly connected with the concentration screening assembly 3; the lower end of the concentration screening assembly 3 is fixedly connected with the milling assembly 4; the lower end of the milling assembly 4 is provided with the dosing assembly 5; the dosing assembly 5 is fixedly connected with the pressure screen assembly 6 on one side; the pressure screen assembly 6 is fixedly connected with the flow box assembly 7 on one side, and the pressure screen assembly 6 comprises a pressure screen main body 601, a connection support 602 and a communication pipe 603; the pressure screen main body 601 is provided on one side of the discharging pipe 512; the lower end of the pressure screen main body 601 is provided with the connection support 602; the connection support 602 is provided with the communication pipe 603 on one side; the flow box assembly 7 comprises a flow box main body 701 and a supporting leg 702; the communication pipe 603 is provided with the flow box main body 701 on one side; the lower end of the flow box main body 701 is provided with the supporting leg 702.

[0033] Please refer to Figs. 3-4In the embodiment, the pulping assembly 1 comprises a box shell 101, a rotating column 102, a transmission wheel 103, pulping strips 104, sealing sheets 105, fixed sheets 106, electric push rods 107, guide rods 108 and a liquid outlet pipe 109; the inner side of the box shell 101 is provided with the rotating column 102; the upper end of the rotating column 102 is provided with the transmission wheel 103; the lower end surface of the rotating column 102 is connected with the sealing sheets 105 through fixed rods; the outer side of the sealing sheets 105 is provided with the plurality of pulping strips 104; the outer side of the box shell 101 is fixedly connected with the plurality of fixed sheets 106; the lower end of the fixed sheets 106 is installed with the plurality of electric push rods 107; one guide rod 108 is arranged between two adjacent electric push rods 107; the lower end surface of the box shell 101 is fixedly connected with the liquid outlet pipe 109; the support assembly 2 comprises a back baffle 201, a first motor 202, a rotating wheel 203, a motor rotating shaft 204, a conveying belt 205 and fixed supports 206; one side of the box shell 101 is fixedly connected with the back baffle 201; one side of the back baffle 201 is installed with the first motor 202; the upper end of the first motor 202 is connected with the motor rotating shaft 204 through a shaft coupling; the outer side of the motor rotating shaft 204 is fixedly connected with the rotating wheel 203; the outer side of the rotating wheel 203 is provided with the conveying belt 205; the front and rear ends of the back baffle 201 are installed with the fixed supports 206; the thickening and screening assembly 3 comprises a liquid guide pipe 301, an exhaust pipe 302, a thickening box 303, a heating pipe 304, a fixed ring 305 and a filter plate 306; the lower end of the liquid outlet pipe 109 is provided with the liquid guide pipe 301; one side of the liquid guide pipe 301 is fixedly connected with the exhaust pipe 302; the lower end of the liquid guide pipe 301 is provided with the thickening box 303; the inner side of the thickening box 303 is provided with the heating pipe 304; the inner side of the thickening box 303 is provided with the fixed ring 305; the fixed ring 305 is fixedly connected with the filter plate 306.

[0034] Please refer to Figs. 5-7In the embodiment, the pulping assembly 4 comprises a liquid inlet pipe 401, a first pulping cover 402, a positioning groove 403, a mounting nut 404, a fixed grinding wheel 405, a liquid outlet frame 406, a second pulping cover 407, a positioning rod 408, a spiral feeding rod 409, a rotating grinding wheel 410 and a second motor 411; the lower end of the fixed ring 305 is provided with the liquid inlet pipe 401; one side of the liquid inlet pipe 401 is provided with the first pulping cover 402; the first pulping cover 402 is provided with the positioning groove 403, and the side end face of the first pulping cover 402 is provided with the mounting nut 404; the inner side of the first pulping cover 402 is provided with the fixed grinding wheel 405; the lower end of the first pulping cover 402 is provided with the liquid outlet frame 406; the inner side of the positioning groove 403 is provided with the positioning rod 408; one side of the positioning rod 408 is provided with the second pulping cover 407; the inner side of the second pulping cover 407 is provided with the rotating grinding wheel 410; the rotating grinding wheel 410 is fixedly connected with the spiral feeding rod 409; one side of the rotating grinding wheel 410 is connected with the second motor 411 through a rotating shaft; the dosing assembly 5 comprises a mixing tank 501, an electric ring rail 502, an electric sliding block 503, a material collecting box 504, a fixed frame 505, a rotating frame 506, a connecting rotating shaft 507, a discharging groove 508, a stirring shaft 509, a plurality of stirring blades 510, a third motor 511, a discharging pipe 512, a mounting frame 513 and a discharging pipe 514; the lower end of the liquid outlet frame 406 is provided with the mixing tank 501; the outer side of the mixing tank 501 is provided with the electric ring rail 502; the inner side of the electric ring rail 502 is electrically connected with the electric sliding block 503; the upper end of the electric sliding block 503 is provided with the material collecting box 504; the upper end of the material collecting box 504 is provided with the fixed frame 505; the inner side of the fixed frame 505 is provided with the rotating frame 506; the rotating frame 506 is fixedly connected with the connecting rotating shaft 507; the lower end of the connecting rotating shaft 507 is connected with the stepping motor through a shaft coupling, and the stepping motor is connected with the material collecting box 504 through bolts; the material collecting box 504 is provided with the discharging groove 508; the inner side of the mixing tank 501 is provided with the stirring shaft 509; the outer side of the stirring shaft 509 is fixedly connected with the plurality of stirring blades 510; the lower end of the stirring shaft 509 is provided with the third motor 511; one side of the third motor 511 is provided with the discharging pipe 512; the discharging pipe 512 is provided with an electric control valve; the other side of the third motor 511 is provided with the mounting frame 513.

[0035] According to another aspect of the present application, a production process of a low-energy-consumption high-quality straw paper production equipment is provided, comprising the following steps:

[0036] S1, first insert the positioning rod 408 into the inside of the positioning groove 403, and make the first grinding cover 402 and the second grinding cover 407 fit, and finally lock the positioning rod 408 through the mounting nut 404, send the waste box board paper and office mixed waste paper into the inside of the box shell 101 in a ratio of 7:3, and drive the rotating column 102 to rotate through the first motor 202, so that the pulping strip 104 can pulping the waste box board paper and office mixed waste paper, after a period of time, the pulp is discharged from the liquid outlet pipe 109 through the separation sealing piece 105 and the liquid outlet pipe 109;

[0037] S2, the pulp is heated and concentrated by the heating pipe 304 in the inside of the concentration tank 303, and filtered by the filter plate 306, after a period of time, the pulp is sent into the inside of the first grinding cover 402 through the liquid inlet pipe 401, and the rotating grinding wheel 410 is driven to rotate by the second motor 411, so that the rotating grinding wheel 410 and the fixed grinding wheel 405 can cooperate with each other to grind the pulp, and then the pulp is discharged through the liquid outlet frame 406, and the beating degree of the pulp produced by the grinding assembly 4 is controlled to be 45°SR;

[0038] S3, the pulp entering the mixing tank 501 will contact with the whitening agent, paper strength enhancer, retention aid, guanidine hydrochloride and lipase or adhesive control agent added by the dosing assembly 5 in the inside of the mixing tank 501, and is mixed and diluted under the action of the third motor 511, the stirring shaft 509 and the stirring blade 510, after a period of time, enters the inside of the pressure screen main body 601, is pumped into the inside of the headbox main body 701 after being screened by the pressure screen main body 601, and is webbed at a web density of 0.4% for surface layer, 0.5% for lining and bottom layer, and 0.8% for core layer, and is subjected to forming, pressing, drying and sizing treatment under the action of the pressing part, the drying part and the sizing part, and finally is subjected to pre-coating, intermediate coating and top coating operation by curtain coating, so as to realize the production of the corrugated paper.

[0039] In work, first insert the positioning rod 408 into the inside of the positioning groove 403, and make the first grinding cover 402 and the second grinding cover 407 fit, and finally lock the positioning rod 408 through the mounting nut 404, send the waste box board paper and office mixed waste paper into the inside of the box shell 101 in a ratio of 7:3, and drive the motor rotating shaft 204 to rotate through the first motor 202, so that the conveyor belt 205 drives the transmission wheel 103 to rotate, and the rotating transmission wheel 103 drives the rotating column 102 to rotate, so that the pulping strip 104 can pulping the waste box board paper and office mixed waste paper, after a period of time, the box shell 101 is driven downward by the electric push rod 107, and the sealing piece 105 is separated from the liquid outlet pipe 109, and the pulp is discharged from the liquid outlet pipe 109 under the action of gravity;

[0040] The pulp entering the inside of the concentration box 303 will be heated and concentrated under the action of the heating pipe 304, and the high-temperature steam will be discharged through the exhaust pipe 302, and the filter plate 306 will filter the pulp under the action of gravity. After a period of time, the pulp will be sent into the inside of the first grinding cover 402 through gravity and the liquid inlet pipe 401, and the rotating grinding wheel 410 will be driven to rotate by the second motor 411, so that the pulp can enter between the rotating grinding wheel 410 and the fixed grinding wheel 405 under the action of the rotating spiral feed rod 409, and the pulp will be ground under the action of the rotating grinding wheel 410 and the fixed grinding wheel 405. After a period of time, the pulp will be discharged through the liquid outlet frame 406, and the beating degree of the pulp produced by the grinding assembly 4 is controlled to be 45°SR.

[0041] The whitening agent, paper strength enhancer, retention aid, guanidine hydrochloride, and lipase or adhesive control agent are then sent into the inside of the fixed frame 505 in batches, and the rotating frame 506 is driven to rotate by the stepping motor in the material collecting box 504, so that the whitening agent, paper strength enhancer, retention aid, guanidine hydrochloride, and lipase or adhesive control agent can enter the inside of the material collecting box 504 in batches through the discharge chute 508, and then the whitening agent, paper strength enhancer, retention aid, guanidine hydrochloride, and lipase or adhesive control agent can be sent into the inside of the mixing tank 501 in batches through the discharge pipe 514. The pulp entering the mixing tank 501 will contact with the whitening agent, paper strength enhancer, retention aid, guanidine hydrochloride, and lipase or adhesive control agent added by the dosing assembly 5 in the inside of the mixing tank 501, and will be mixed and diluted under the action of the third motor 511, the stirring shaft 509, and the stirring blade 510. After a period of time, the pulp will enter the inside of the pressure screen main body 601 through the discharge pipe 512, and will be pumped into the inside of the headbox main body 701 after being screened by the pressure screen main body 601, and will be distributed on the wire at a wire concentration of 0.4% for the top layer, 0.5% for the lining and bottom layer, and 0.8% for the core layer, so as to realize the use of the corrugated paper production equipment.

[0042] Through the above steps, the guanidine hydrochloride and lipase or adhesive control agent are added to the pulp before the formation of thick white water to control the adhesive in the pulp, so that the thick white water can be quickly diluted or concentrated, to solve the problem that in the process of corrugated paper production, the thick white water needs to be recycled multiple times to achieve concentration or dilution due to the physical properties of the internal materials, resulting in an increase in the working cost of the entire corrugated paper production equipment, and thus the working efficiency of the entire corrugated paper production equipment can be greatly improved. The pulp is pulped by the pulping assembly 1, concentrated and screened by the concentration and screening assembly 3, ground by the grinding assembly 4, and screened and distributed on the wire by the pressure screen assembly 6 and the headbox assembly 7, respectively.

[0043] The embodiments of the present application are described in detail above with reference to the accompanying drawings, but the present application is not limited to the above-described embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present application.

Claims

1. A low-energy, high-quality corrugated paper production equipment, comprising a pulping assembly (1); characterized in that: It also includes a support assembly (2), a thickening and screening assembly (3), a grinding assembly (4), a dosing assembly (5), a pressure screen assembly (6), and a headbox assembly (7); the support assembly (2) is provided on one side of the grinding assembly (1); the thickening and screening assembly (3) is fixedly connected to the lower end of the grinding assembly (1); the grinding assembly (4) is fixedly connected to the lower end of the thickening and screening assembly (3); the dosing assembly (5) is provided at the lower end of the grinding assembly (4); the pressure screen assembly (6) is fixedly connected to one side of the dosing assembly (5); the headbox assembly (7) is fixedly connected to one side of the pressure screen assembly (6); the grinding assembly (1) includes a box shell (101), a rotating column (102), and a transmission. The enclosure consists of a drive wheel (103), slurry strips (104), a sealing plate (105), a fixing plate (106), an electric push rod (107), a guide rod (108), and an outlet pipe (109); a rotating column (102) is provided on the inner side of the outer shell (101); a drive wheel (103) is provided on the upper end of the rotating column (102); a sealing plate (105) is connected to the lower end of the rotating column (102) via a fixing rod; multiple slurry strips (104) are provided on the outer side of the sealing plate (105); multiple fixing plates (106) are fixed to the outer side of the outer shell (101); multiple electric push rods (107) are installed on the lower end of the fixing plates (106); two adjacent electric push rods (107) are connected to the outer shell (101). A guide rod (108) is provided between the push rods (107); a liquid outlet pipe (109) is fixedly connected to the lower end face of the housing shell (101); the support assembly (2) includes a back baffle (201), a first motor (202), a rotating wheel (203), a motor shaft (204), a conveyor belt (205), and a fixed bracket (206); a back baffle (201) is fixedly connected to one side of the housing shell (101); a first motor (202) is installed on one side of the back baffle (201); a motor shaft (204) is connected to the upper end of the first motor (202) via a coupling; a rotating wheel (203) is fixedly connected to the outer side of the motor shaft (204); a rotating wheel (204) is fixedly connected to the outer side of the motor shaft (204); a rotating wheel (209) is fixedly connected to the outer side of the motor shaft (204); a rotating wheel (209) is fixedly connected to the outer side of the motor shaft (205); a rotating wheel (209) is fixedly connected to the outer side of the motor shaft (205); a rotating wheel (209) is fixedly connected to the outer side of the push rod (107). 3) A conveyor belt (205) is provided on the outside; fixed brackets (206) are installed at both the front and rear ends of the back baffle (201). The concentration screening component (3) includes a liquid guide pipe (301), an exhaust pipe (302), a concentration tank (303), a heating pipe (304), a fixing ring (305), and a filter plate (306); a liquid guide pipe (301) is provided at the lower end of the liquid outlet pipe (109); an exhaust pipe (302) is fixedly connected to one side of the liquid guide pipe (301); a concentration tank (303) is provided at the lower end of the liquid guide pipe (301); a heating pipe (304) is provided on the inner side of the concentration tank (303); a fixing ring (305) is provided on the inner side of the concentration tank (303).A filter plate (306) is fixedly attached to a fixed ring (305). The dosing assembly (5) includes a mixing tank (501), an electric ring rail (502), an electric slider (503), a collection box (504), a fixed frame (505), a rotating frame (506), a connecting shaft (507), a discharge chute (508), a stirring shaft (509), stirring blades (510), a third motor (511), a discharge pipe (512), a mounting frame (513), and a discharge pipe (514). An electric ring rail (502) is provided on the outside of the mixing tank (501). An electric slider (503) is electrically connected to the inside of the electric ring rail (502). A collection box (504) is installed on the upper end of the electric slider (503). The upper part of the collection box (504) is... A fixed frame (505) is provided at one end; a rotating frame (506) is provided inside the fixed frame (505); a connecting shaft (507) is fixedly connected to the rotating frame (506); a stepper motor is connected to the lower end of the connecting shaft (507) through a coupling, and the stepper motor is bolted to the collection box (504), and a discharge chute (508) is provided on the collection box (504); a stirring shaft (509) is provided inside the mixing tank (501); multiple stirring blades (510) are fixedly connected to the outer side of the stirring shaft (509); a third motor (511) is provided at the lower end of the stirring shaft (509); a discharge pipe (512) is provided on one side of the third motor (511); and a mounting bracket (513) is provided on the other side of the third motor (511).

2. The low-energy-consumption, high-quality corrugated paper production equipment according to claim 1, characterized in that: The grinding assembly (4) includes an inlet pipe (401), a first grinding cover (402), a positioning groove (403), a mounting nut (404), a fixed grinding wheel (405), an outlet frame (406), a second grinding cover (407), a positioning rod (408), a spiral feed rod (409), a rotating grinding wheel (410), and a second motor (411); the lower end of the fixing ring (305) is provided with an inlet pipe (401); the first grinding cover (402) is provided on one side of the inlet pipe (401); the first grinding cover (402) is provided with a positioning groove (403), and the first grinding cover (407) is provided with a positioning groove (408). 2) A mounting nut (404) is provided on the side end face; a fixed grinding wheel (405) is provided on the inner side of the first grinding cover (402); a liquid outlet frame (406) is provided at the lower end of the first grinding cover (402); a positioning rod (408) is provided on the inner side of the positioning groove (403); a second grinding cover (407) is provided on one side of the positioning rod (408); a rotating grinding wheel (410) is provided on the inner side of the second grinding cover (407); a spiral feed rod (409) is fixedly connected to the rotating grinding wheel (410); a second motor (411) is connected to one side of the rotating grinding wheel (410) through a rotating shaft.

3. The low-energy-consumption, high-quality corrugated paper production equipment according to claim 2, characterized in that... A mixing tank (501) is provided at the lower end of the liquid outlet frame (406).

4. The low-energy-consumption, high-quality corrugated paper production equipment according to claim 2, characterized in that: The pressure screen assembly (6) includes a pressure screen body (601), a connecting bracket (602), and a connecting pipe (603); the pressure screen body (601) is provided on one side of the discharge pipe (512); the connecting bracket (602) is provided at the lower end of the pressure screen body (601); and the connecting pipe (603) is provided on one side of the connecting bracket (602).

5. The low-energy-consumption, high-quality corrugated paper production equipment according to claim 4, characterized in that: The headbox assembly (7) includes a headbox body (701) and a support leg (702); the headbox body (701) is provided on one side of the connecting pipe (603); the support leg (702) is provided at the lower end of the headbox body (701).

6. A production process for a low-energy-consumption, high-quality corrugated paper production equipment, using the low-energy-consumption, high-quality corrugated paper production equipment described in claim 5, characterized in that, Includes the following steps: S1. First, insert the positioning rod (408) into the positioning groove (403) and make the first pulping cover (402) and the second pulping cover (407) fit together. Finally, lock the positioning rod (408) by installing the nut (404). By feeding waste cardboard and mixed office waste paper into the box shell (101) in a ratio of 7:3, and driving the rotating column (102) to rotate by the first motor (202), the pulping strip (104) can pulp the waste cardboard and mixed office waste paper. After a period of time, the pulp is discharged from the liquid outlet pipe (109) by separating the sealing plate (105) and the liquid outlet pipe (109). S2. The slurry is heated and concentrated by the heating tube (304) inside the concentration tank (303), and filtered by the filter plate (306). After a period of time, the slurry is sent into the interior of the first grinding cover (402) through the liquid inlet pipe (401), and the rotating grinding wheel (410) is driven to rotate by the second motor (411), so that the rotating grinding wheel (410) and the fixed grinding wheel (405) can cooperate with each other to grind the slurry. The slurry is then discharged through the liquid outlet frame (406), and the slurry produced by the grinding assembly (4) is controlled to have a percussion degree of 45°SR. S3. The pulp entering the mixing tank (501) will come into contact with the whitening agent, paper strength enhancer, retention aid, guanidine hydrochloride and lipase added by the dosing component (5) inside the mixing tank (501). Under the action of the third motor (511), stirring shaft (509) and stirring blade (510), it will be mixed and diluted. After a period of time, it will enter the pressure screen body (601). After being screened by the pressure screen body (601), it will be pumped into the headbox body (701) and fed onto the headbox with a headbox concentration of 0.4% for the top layer, 0.5% for the liner and bottom layer and 0.8% for the core layer. Under the action of the pressing section, drying section and sizing section, it will be formed, pressed, dried and sizing. Finally, it will be pre-coated, intermediate coated and top coated by curtain coating to realize the production of the corrugated paper.

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