CN115821622A - Inclined net forming high-basis weight special paper machine - Google Patents

Abstract

The invention discloses an inclined net forming high-ration special paper machine, which relates to the field of paper making equipment and comprises an inclined net forming part and an oven drying part, wherein the output end of the oven drying part is connected with a paper cutter; the slurry distributor comprises a transition pipe, an isobaric main pipe, a pore plate and a return pipe; the inclined net comprises a forming net, a breast roll, a forming box, an inclined upper lip plate, a finishing roll, a vacuum suction box, a couch roll, a net driving roll, a net guide roll, a frame, a tensioner, a corrector, a water spray pipe and an inclined net inclination angle adjusting device; the frame includes front column, front column cantilever beam, back column cantilever beam, sloping, and the finished product is of high quality, the sloping net shaping, the dewatering ability is strong, the concentration of surfing the net is low, suitable low speed shaping high gram weight product, the speed of a motor vehicle is adjustable wantonly along with gram weight, one shot forming, the product is not stratified, the homogeneity is good, the ration is stable, the bulk is good, the thickness is unanimous.

Description

Inclined net forming high-ration special paper machine

Technical Field

The invention relates to the field of papermaking equipment, in particular to an inclined wire forming high-basis-weight special paper machine.

Background

The paper machine refers to various paper machines, namely, machines for producing and processing household paper and office paper. The paper machine refers to a general name of a complete set of equipment for forming paper web by paper pulp in a partial linkage manner, and the general name of the complete set of equipment for forming paper web by paper pulp in a partial linkage manner comprises a main machine such as a head box, a net part, a pressing part, a drying part, a calender, a winder, a transmission part and the like, and an auxiliary system such as steam, water, vacuum, lubrication, a paper cutter, heat recovery and the like. It is customary to divide the paper machine into fourdrinier, cylinder, gap and cylinder mixtures, depending on the type of sheet former used.

The medical filtering paper board is produced by using mixed pulp of plant fiber, synthetic fiber, filler and additive after mild pulping treatment, and the gram weight of the product is 250-2500 g/m ² The product has the advantages of no layering, good uniformity, stable quantification, good bulk, consistent thickness and good smoothness.

Because the medical filtering paper board has large quantitative, the vehicle speed is less than 10m/min, and the quality requirement is high, the medical filtering paper board is not suitable for being produced by a cylinder paper machine and a fourdrinier paper machine. The production of the cylinder paper machine and the fourdrinier paper machine needs higher net feeding concentration, and the forming evenness and other quality requirements are difficult to ensure due to extremely low speed.

Disclosure of Invention

The invention aims to: in order to solve the technical problem, the invention provides a high-basis-weight special paper machine for inclined wire forming.

The invention specifically adopts the following technical scheme for realizing the purpose:

a high-basis-weight special paper machine for inclined-wire forming comprises an inclined-wire forming part, an oven drying part, a base part, a transmission part and an electric control part, wherein the output end of the oven drying part is connected with a paper cutter; the slurry distributor comprises a transition pipe, an isobaric main pipe, a pore plate and a return pipe; the inclined net comprises a forming net, a breast roll, a forming box, an inclined upper lip plate, a finishing roll, a vacuum suction box, a couch roll, a net driving roll, a net guide roll, a frame, a tensioner, a corrector, a water spray pipe and an inclined net inclination angle adjusting device; the frame comprises a front upright post, a front upright post cantilever beam, a rear upright post cantilever beam and an inclined beam which are positioned at a low position; the inclined beam is used for connecting the front upright post and the rear upright post, all components are distributed on the inclined beam, the front upright post and the rear upright post, the slurry distributor is arranged on the front upright post and the front upright post cantilever beam at the front end of the frame, the transition pipe, the constant pressure main pipe and the return pipe of the slurry distributor are sequentially connected in a welding manner, the box body is fixed with the forming box and the front upright post through bolts, the constant pressure main pipe is connected with the box body, the leveling device is fixed with the side wall plate of the box body, and the forming box is connected with the inclined beam, the vacuum suction box and the inclined beam, the tensioner and the rear upright post, and the corrector and the base part through bolts; the breast roll and the front upright post, the finishing roll and the oblique beam, the couch roll and the rear upright post, the net driving roll and the rear upright post, and the net guiding roll and the rack are all connected through bearings and bolts, the forming net passes through the breast roll, the net guiding roll, the net driving roll, the couch roll and the finishing roll, the corrector and the tensioner are used for adjusting the forming net to be in a running state, and the water spray pipes are distributed in a motion track of the forming net separated from the paper tape.

Furthermore, the forming box body is of a three-chamber structure, the first chamber and the second chamber are used for forming the filtering paper boards, the third chamber is used for filtering water of the paper boards, each chamber is provided with a drain pipe, each drain pipe is provided with a flow limiting device, and the operation side of each chamber is provided with a vacuum interface respectively.

Furthermore, the inclined net inclination angle adjusting device comprises a lifting screw rod, a horizontal sliding block, a sliding block guide rail, a sliding block moving screw rod, a front upright hinge and a rear upright hinge; the lower end of the front upright is connected with a lifting screw rod through a front upright hinge, the bottom end of the lifting screw rod is connected with a horizontal sliding block, the horizontal sliding block slides on a sliding block guide rail, the sliding block moving screw rod is right opposite to the horizontal sliding block, the front upright consists of an upper part and a lower part, the upper part is an upright main body, the lower part is an inclined net inclination angle adjusting device, and the upper part is fixedly connected with a front upright cantilever beam, an inclined beam, a breast roll and a pulp flow box through bolts.

Furthermore, the rear upright post is also divided into an upper part and a lower part, the upper part is connected with the inclined beam and the couch roll through bolts, the lower part is connected with the rear upright post cantilever beam, the net driving roller, the tensioner and the base part through bolts, and the upper part and the lower part are connected through a rear upright post hinge.

Further, the drying part of the drying oven comprises an oven body, a frame, a conveying mesh belt, a component of the conveying mesh belt and an auxiliary device, the oven body comprises a box body, an air nozzle, an air inlet and an air return opening, the conveying mesh belt is arranged in the box body, the oven body is divided into an upper part and a lower part, the upper part of the oven body is connected with the lower part of the oven body through a hinge and is opened and closed through an air cylinder, the lower part of the oven body is connected with the frame through bolts, the air inlet and the air return opening are alternately arranged on the upper side wall and the lower side wall of the box body, and the conveying mesh belt is in butt joint with the output end of the inclined wire forming part.

Furthermore, the conveying net belt adopts a special guide belt for a drying room, and the mesh number is 8-20.

Further, the foundation portion comprises a foundation plate, foundation bolts and nuts.

Further, the leveling device is one of 1-3 refining rollers or turbulence rollers.

Furthermore, the inclined upper lip plate is made of a wear-resistant rubber plate, the front and back positions and the upper and lower positions of the inclined upper lip plate are adjustable, and the finishing roller is made of stainless steel and is adjustable in the upper and lower positions.

The invention has the following beneficial effects:

1. the invention has novel structure, the inclined net forming part is arranged to conveniently adjust the online ration and the dehydration rate of paper pulp, namely, the paper pulp is uniformly distributed in the pulp flowing box body through the pulp distributor, the box body and the leveling device on the pulp flowing box, the paper pulp moves along with the forming net, a paper tape is preliminarily formed after water is filtered through the forming box and then is subjected to primary finishing through the inclined upper lip plate and secondary finishing through the finishing roller, the paper tape enters the vacuum water suction box along with the forming net, moisture on the paper tape is further absorbed through vacuum, the paper tape is conveniently preliminarily hardened and shaped, then the paper tape passes through the couch roller and enters the drying part of the oven for subsequent drying, at the moment, the forming net is guided by the guide net roller to continue to drive and is washed by water sprayed by the water spray pipe, the inclined net angle adjusting device is used for adjusting the inclined angle of the forming net, and then the pulp flowing box is matched to control the pulp layer to slide downwards on the forming net, so that the production requirement of low vehicle speed is met, the front and back and upper and lower positions of the inclined upper lip plate and the pressing depth of the finishing roller are adjusted in a matched manner, the finished product quality is good, the inclined net is formed, the dewatering capacity is strong, the net surfing concentration is low, the inclined net is suitable for forming high-gram-weight products at low vehicle speed, the vehicle speed can be adjusted randomly along with gram weight, the products are formed in one step, and the products are not layered, good in uniformity, stable in quantification, good in bulk and consistent in thickness;

2. hot air drying, simultaneous air intake and convection drying of the upper and lower surfaces of the filtering paper board, uniform heating, high evaporation rate, good product bulk and good smoothness, hot air drying of the paper board, and convection design and air cushion drying of the hot air drying. The air cushion drying adopts air wing type air nozzles to distribute air, the air nozzles are arranged up and down correspondingly, hot air from an air feeder enters the oven through a distribution pipe, is uniformly blown to the surface of paper sheets from one side of the air nozzles at the speed of 30-50 m/s, and gives a friction effect to the medical filtering paper sheet by virtue of a wall attachment effect, so that the maximum heat and mass transfer is achieved, the drying has high evaporation rate and excellent operation stability, and the smoothness of the medical filtering paper sheet is favorable.

Drawings

FIG. 1 is a schematic view of the overall side view of the present invention;

FIG. 2 is a schematic side view of the inclined wire forming section of the present invention;

FIG. 3 is a schematic top view of the inclined wire forming section of the present invention;

FIG. 4 is a perspective view of the inclined wire forming part of the present invention;

FIG. 5 is a schematic structural diagram of a side view of a drying section of an oven according to the present invention;

fig. 6 is a schematic structural view of the oven drying section of the present invention from above.

Reference numerals: 1. an inclined net forming part; 2. a drying part of the oven; 3. a head box; 4. inclined nets; 5. a pulp distributor; 6. a box body; 7. a leveling device; 8. a transition duct; 9. an isobaric main pipe; 10. an orifice plate; 11. a return pipe; 12. forming a net; 13. a breast roll; 14. forming a box; 15. an inclined upper lip plate; 16. a finishing roll; 17. a vacuum suction box; 18. couch rolls; 19. a wire driving roller; 20. a wire guide roller; 21. a base portion; 22. a tensioner; 23. a corrector; 24. a water spray pipe; 25. a front pillar; 26. a front upright cantilever beam; 27. a rear pillar; 28. a rear upright cantilever beam; 29. an oblique beam; 30. a lifting screw rod; 31. a horizontal slider; 32. a slider guide rail; 33. the slide block moves the screw rod; 34. a front pillar hinge; 35. a rear pillar hinge; 36. an oven; 37. a conveying mesh belt; 38. a body; 39. a tuyere; 40. an air inlet; 41. an air return inlet; 42. an attachment device.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

As shown in fig. 1, fig. 2, fig. 3 and fig. 4, the present embodiment provides an inclined wire forming high-basis-weight special paper machine, which includes an inclined wire forming portion 1, an oven drying portion 2, a base portion 21, a transmission portion, and an electric control portion, wherein an output end of the oven drying portion 2 is connected to a paper cutter, the inclined wire forming portion 1 includes a headbox 3 and an inclined wire 4, and the headbox 3 includes a pulp distributor 5, a box body 6, and a leveling device 7; the slurry distributor 5 comprises a transition pipe 8, an isobaric main pipe 9, a pore plate 10 and a return pipe 11; the inclined wire 4 comprises a forming wire 12, a breast roll 13, a forming box 14, an inclined upper lip plate 15, a finishing roll 16, a vacuum suction box 17, a couch roll 18, a wire driving roll 19, a wire guiding roll 20, a frame, a tensioner 22, a corrector 23, a water spray pipe 24 and an inclined wire inclination angle adjusting device; the frame comprises a front upright post 25 positioned at a low position, a front upright post cantilever beam 26, a rear upright post 27 positioned at a high position, a rear upright post cantilever beam 28 and an oblique beam 29; the inclined beam 29 is used for connecting the front upright 25 and the rear upright 27, all components are distributed on the inclined beam 29, the front upright 25 and the rear upright 27, the slurry distributor 5 is arranged on the front upright 25 and the front upright cantilever beam 26 at the front end of the frame, the transition pipe 8, the constant pressure main pipe 9 and the return pipe 11 of the slurry distributor 5 are sequentially welded and connected, the box body 6 is fixed with the forming box 14 and the front upright 25 through bolts, the constant pressure main pipe 9 is connected with the box body 6, the leveling device 7 is fixed with a side wall plate of the box body 6, the forming box 14 is connected with the inclined beam 29, the vacuum suction box 17 and the inclined beam 29, the tensioner 22 is connected with the rear upright 27, and the corrector 23 and the base part 21 through bolts; the breast roll 13 and the front upright post 25, the finishing roll 16 and the oblique beam 29, the couch roll 18 and the rear upright post 27, the net driving roll 19 and the rear upright post 27, the net guiding roll 20 and the frame are all connected through bearings and bolts, the forming net 12 passes through the breast roll 13, the net guiding roll 20, the net driving roll 19, the couch roll 18 and the finishing roll 16, the corrector 23 and the tensioner 22 are used for adjusting the running state of the forming net 12, and the water spraying pipes 24 are distributed in the motion track of the forming net 12 and the paper tape after separation.

Referring to fig. 2, 3 and 4, the forming box 14 is divided into three chambers, a first chamber and a second chamber for forming the medical filter paper sheet, and a third chamber for draining the medical filter paper sheet. Each chamber is provided with a water drainage pipe, and each water drainage pipe is provided with a flow limiting device (a valve and a baffle) so as to control the water filtering speed of the forming process and the water filtering process; meanwhile, in order to more effectively control the water filtering speed in the forming process and the water filtering process, a vacuum interface is respectively arranged on the operation side of each chamber so as to be connected with a vacuum pipeline when needed.

Referring to fig. 2, 3 and 4, the inclined net inclination angle adjusting device includes a lifting screw rod 30, a horizontal slider 31, a slider guide rail 32, a slider moving screw rod 33, a front pillar hinge 34, and a rear pillar hinge 35; the lower end of a front upright post 25 is connected with a lifting screw rod 30 through a front upright post hinge 34, the bottom end of the lifting screw rod 30 is connected with a horizontal sliding block 31, the horizontal sliding block 31 slides on a sliding block guide rail 32, a sliding block moving screw rod 33 is arranged right opposite to the horizontal sliding block 31, the front upright post 25 is composed of an upper part and a lower part, the upper part is an upright post main body, the lower part is an inclined net inclination angle adjusting device, and the upper part is fixedly connected with a front upright post cantilever beam 34, an inclined beam 29, a breast roll 13 and a pulp flow box 3 through bolts. The rear upright post 27 is also divided into an upper part and a lower part, the upper part is connected with the oblique beam 29 and the couch roll 18 through bolts, the lower part is connected with the rear upright post cantilever beam 28, the net driving roll 19, the tensioner 22 and the base part 21 through bolts, and the upper part and the lower part are connected through a rear upright post hinge 35. Therefore, when the inclination angle of the inclined net 4 needs to be adjusted, the height of the front upright post 25 can be adjusted by adjusting the lifting screw 30, meanwhile, the horizontal displacement generated by the front upright post 25 can be used for moving the screw 33 through the adjusting slide block, so that the horizontal slide block 31 moves along the slide block guide rail 32, namely the front upright post 25 moves in the horizontal direction, at the moment, the front upright post 25 is matched with the front upright post hinge 34, the rear upright post 27 is matched with the rear upright post hinge 35, the inclined beam 29, namely the inclined net 4, can conveniently rotate along the rear upright post 27 as a rotation center, and then the inclination angle of the shaping net 12 is adjusted, so that the operation is simple, and the adjustment is accurate.

Referring to fig. 2, 3 and 4, the inclined upper lip 15 is made of an abrasion-resistant rubber plate and is adjustable in front and rear and up and down positions, and the finishing roll 16 is made of stainless steel and is adjustable in up and down positions.

Referring to fig. 1, 5 and 6, the oven drying part 2 includes an oven 36, a frame, a conveying mesh belt 37 and its components, and an accessory device 42, the oven 36 includes a body 38, an air nozzle 39, an air inlet 40, and an air return port 41, the conveying mesh belt 37 is disposed in the body 38, the oven 36 is divided into an upper part and a lower part, the upper part of the oven 36 is connected with the lower part of the oven 36 through a hinge and opened and closed through an air cylinder, the lower part of the oven 36 is connected with the frame through bolts, the air inlet 40 and the air return port 41 are alternately disposed on the upper and lower side walls of the body 38, and the conveying mesh belt 37 is butted with the output end of the inclined wire forming part 1.

Referring to fig. 1, 5 and 6, the attachment 42 is composed of a blower, an exhaust fan, an air filter, an air-air heat exchanger, a condensate water heat exchanger, a steam heat exchanger, an air inlet pipe, a return air pipe and an exhaust pipe.

Referring to fig. 1, 5 and 6, the transmission part consists of a main machine transmission and an auxiliary machine transmission, and the main machine transmission consists of an inclined net 4 transmission, a finishing roller 16 transmission and an oven 36 conveying net belt 37 transmission. It is composed of gear speed reducer, elastic cancellation coupler and protecting cover, and the auxiliary machine transmission is composed of leveling device transmission, paper cutter transmission, air feeder transmission and exhaust fan transmission. The transmission of the leveling device consists of a gear reducer, an elastic cancellation coupler and a protective cover. The transmission of the paper cutter consists of a feeding stepping motor and a cutter stepping motor. The blower transmission and the exhaust fan transmission are composed of belt pulleys, belts and protective covers.

The following are the specific requirements for the remaining components.

The contact part of the slurry distributor 5 and the slurry is made of stainless steel, and the inner surface is polished.

The box body 6 is made of stainless steel, and the inner surface is polished.

The leveling device 7 consists of 1-3 leveling rollers or turbulence rollers, and the leveling rollers or the turbulence rollers are made of stainless steel.

The forming net 12 is made of polyester net with 20-40 meshes.

The breast roll 13 is made of stainless steel, and the roll surface is provided with a roll cleaning scraper.

The forming box 14 and the fixing support are made of stainless steel, and the panel is made of a high-density polyethylene plate or a ceramic panel.

The inclined upper lip plate 15 is made of a wear-resistant rubber plate, and the front, back, upper and lower positions of the inclined upper lip plate are adjustable.

The finishing roller 16 is made of stainless steel and is adjustable in up-and-down position. The material of the surface net of the finishing roller 16 is stainless steel, and the mesh number is 30-50.

The vacuum suction box 17 and the fixed support are made of stainless steel, and the panel is made of a high-density polyethylene plate or a ceramic panel.

The couch roll 18, the net driving roll 19 and the guide roll are made of stainless steel.

The tensioner 22 and the corrector 23 are made of stainless steel.

Tensioner 22 is adjusted manually or electrically or pneumatically and corrector 23 is adjusted manually or pneumatically.

The spray pipe 24 is made of stainless steel, and the nozzle is a stainless steel fan-shaped nozzle.

The inclined net inclination angle adjusting device is made of stainless steel.

The frame is welded by section steel, and the material is stainless steel or carbon steel.

The conveying net belt 37 adopts a special guide belt for a drying room, and the mesh number is 8-20.

The conveying net belt assembly consists of a paper supporting roller, a tensioner, a corrector, a net guide roller and a net driving roller, and is made of stainless steel. The tensioner is adjusted manually or electrically or pneumatically, and the corrector is adjusted manually or pneumatically.

The auxiliary device 42 is composed of a blower, an exhaust fan, an air filter, an air-air heat exchanger, a condensed water heat exchanger, a steam heat exchanger, an air inlet pipe, a return air pipe and an exhaust pipe.

The paper cutter is matched with a mature and advanced small-sized full-automatic microcomputer cutting machine.

The foundation part 21 is composed of a foundation plate, foundation bolts and nuts, and is made of stainless steel or carbon steel.

The electric control part is composed of a main engine transmission electric control part and an auxiliary engine transmission electric control part.

The main machine transmission electric control is composed of a frequency converter, a PLC and an operation screen. The electric control paper cutter driven by the auxiliary machine is controlled by a stepping motor, and the other electric control paper cutters are controlled by frequency conversion.

The production working process comprises the following steps: in the production process, slurry with the concentration of 0.01-0.2% from a sizing system enters the inclined wire forming part 1 through a pipeline to be formed and dehydrated, and the dryness of the medical filter paper board reaches 16-25%. The medical filtering paper board is dried by hot air, and the hot air drying adopts convection design and air cushion drying. The air cushion drying adopts an air wing type air nozzle 39 to distribute air, the air is vertically and correspondingly arranged, hot air from a blower enters the oven 36 through a distribution pipe, the hot air is uniformly blown to the surface of paper sheets from one side of the air nozzle 39 at the speed of 30-50 m/s, and the friction effect is given to the medical filtering paper board by virtue of the wall attachment effect, so that the maximum heat and mass transfer is achieved, the drying has high evaporation rate and excellent operation stability, and the smoothness of the medical filtering paper board is facilitated.

After the medical filter paper board is dried by hot air, the dryness reaches 90-95 percent, and then the medical filter paper board is cut into required specifications by a paper cutter.

The quantification of the medical filtering paper board is realized by adjusting the opening of the quantifying valve or the rotating speed of the sizing pump.

The uniformity of the medical filtering paper board is realized by adjusting the concentration of the pulp in the head box 3 or the rotating speed of the leveling device 7.

The flatness of the upper surface of the medical filter paper sheet is achieved by adjusting the position of the inclined upper lip 15 or the position of the finishing roll 16.

The level height of the headbox 3 is achieved by adjusting the dewatering amount of the forming box 14.

The water filtration rate of the forming box 14 is achieved by adjusting the flow restriction (valve, baffle) on the drain line or the valve opening on the vacuum line.

The dryness of the medical filter paper board is realized by adjusting the vehicle speed, the hot air temperature or the hot air quantity.

The product size of the medical filter paper board is realized by adjusting a cutter stepping motor of a paper cutter.

The implementation principle is as follows: the invention has novel structure, the inclined net forming part 1 is arranged to facilitate the adjustment of the online ration and the dehydration rate of paper pulp, namely, the paper pulp is uniformly distributed in the box body 6 of the pulp flowing box through the pulp distributor 5, the box body 6 and the leveling device 7 on the pulp flowing box 3, the paper pulp moves along with the forming net 12, a paper tape is preliminarily formed after water is filtered through the forming box 14, and then is subjected to primary finishing through the inclined upper lip plate 15 and secondary finishing through the finishing roller 16, the paper tape enters the vacuum water suction box 17 along with the forming net 12, moisture on the paper tape is further sucked through vacuum, the paper tape is conveniently preliminarily hardened and shaped, then the paper tape passes through the couch roller 18 and enters the drying part 2 of the drying oven for subsequent drying, at the moment, the forming net 12 is guided by the guide roller 20 to continue transmission and is washed by water sprayed by the water spray pipe 24, convenient follow-up sizing again, tensioning ware 22, corrector 23 adjustment forming net 12 running state, ensure forming net 12 operation stable, adjust the inclination of forming net 12 through oblique net inclination angle adjusting device simultaneously, thereby cooperation head box 3 control thick liquid layer gliding on forming net 12, also adapt to the production demand of low speed of a motor vehicle, cooperation adjustment tilting upper lip 15 front and back, upper and lower position, and the depth of impressing of finishing roll 16, the finished product is of high quality, oblique net 4 shaping, the dewatering capacity is strong, the concentration of going on the net is low, suitable low speed of a motor vehicle shaping high gram weight product, the speed of a motor vehicle is adjustable wantonly along with gram weight, one shot forming, the product does not divide the layer, the uniformity is good, the ration is stable, the bulk density is good, the thickness is unanimous.

Claims (9)

1. The inclined wire forming high-basis-weight special paper machine is characterized by comprising an inclined wire forming part (1), an oven drying part (2), a base part (21), a transmission part and an electric control part, wherein the output end of the oven drying part (2) is connected with a paper cutter, the inclined wire forming part (1) comprises a pulp flowing box (3) and an inclined wire (4), and the pulp flowing box (3) comprises a pulp distributor (5), a box body (6) and a leveling device (7); the slurry distributor (5) comprises a transition pipe (8), an isobaric main pipe (9), a pore plate (10) and a return pipe (11); the inclined net (4) comprises a forming net (12), a breast roll (13), a forming box (14), an inclined upper lip plate (15), a finishing roll (16), a vacuum suction box (17), a couch roll (18), a net driving roll (19), a net guide roll (20), a frame, a tensioner (22), a corrector (23), a water spray pipe (24) and an inclined net inclination angle adjusting device; the frame comprises a front upright post (25) positioned at a low position, a front upright post cantilever beam (26), a rear upright post (27) positioned at a high position, a rear upright post cantilever beam (28) and an oblique beam (29); the inclined beam (29) is used for connecting a front upright post (25) and a rear upright post (27), all components are distributed on the inclined beam (29), the front upright post (25) and the rear upright post (27), the slurry distributor (5) is arranged on the front upright post (25) and a front upright post cantilever beam (26) at the front end of the frame, a transition pipe (8), the constant-pressure header pipe (9) and the return pipe (11) of the slurry distributor (5) are sequentially connected in a welding manner, the box body (6) is fixed with the forming box (14) and the front upright post (25) through bolts, the constant-pressure header pipe (9) is connected with the box body (6), the leveling device (7) is fixed with a side wall plate of the box body (6), the forming box (14) is connected with the inclined beam (29), the vacuum suction box (17) is connected with the inclined beam (29), the tensioner (22) is connected with the rear upright post (27), and the corrector (23) is connected with the base part (21) through bolts; the breast roll (13) and the front upright post (25), the finishing roll (16) and the oblique beam (29), the couch roll (18) and the rear upright post (27), the net driving roll (19) and the rear upright post (27), the net guiding roll (20) and the rack are connected through bearings and bolts, the forming net (12) passes through the breast roll (13), the net guiding roll (20), the net driving roll (19), the couch roll (18) and the finishing roll (16), the corrector (23) and the tensioner (22) are used for adjusting the running state of the forming net (12), and the water spray pipes (24) are distributed in the motion track of the forming net (12) and the paper tape after separation.

2. The special paper machine for forming high basis weight by inclined wire according to claim 1, characterized in that the forming box (14) body is divided into a three-chamber structure, the first chamber and the second chamber are used for forming the filtering paper board, the third chamber is used for filtering water of the paper board, each chamber is provided with a drain pipe, each drain pipe is provided with a flow limiting device, and the operating side of each chamber is also provided with a vacuum interface respectively.

3. The special paper machine for inclined wire forming high basis weight according to claim 2, characterized in that the inclined wire inclination angle adjusting device comprises a lifting screw rod (30), a horizontal slide block (31), a slide block guide rail (32), a slide block moving screw rod (33), a front upright hinge (34) and a rear upright hinge (35); wherein front column (25) lower extreme passes through front column hinge (34) with lift lead screw (30) and is connected, and lift lead screw (30) bottom is connected with horizontal slider (31), and horizontal slider (31) slide on slider guide rail (32), and slider removal lead screw (33) are just right horizontal slider (31) set up, and front column (25) comprise upper and lower two parts, and the upper portion is the stand main part, and the lower part is oblique net angle of inclination adjusting device, and the upper portion is fixed with front column cantilever beam (26), sloping (29), breast roll (13), head box (3) bolted connection.

4. The inclined wire forming high-basis-weight special paper machine as claimed in claim 3, wherein the rear upright post (27) is also divided into an upper part and a lower part, the upper part is connected with the inclined beam (29) and the couch roll (18) through bolts, the lower part is connected with the rear upright post cantilever beam (28), the wire driving roller (19), the tensioner (22) and the base part (21) through bolts, and the upper part and the lower part are connected through a rear upright post hinge (35).

5. The inclined wire forming high-basis-weight special paper machine as claimed in claim 1, wherein the oven drying part (2) comprises an oven (36), a conveying mesh belt (37) and components thereof, and an attachment (42), the oven (36) comprises a body (38), an air nozzle (39), an air inlet (40), and an air return opening (41), the conveying mesh belt (37) is arranged in the body (38), the oven (36) is divided into an upper part and a lower part, the upper part of the oven (36) is connected with the lower part of the oven (36) through a hinge and opened and closed through an air cylinder, the lower part of the oven (36) is connected with a rack through bolts, the air inlet (40) and the air return opening (41) are alternately arranged on the upper side wall and the lower side wall of the body (38), and the conveying mesh belt (37) is butted with the output end of the inclined wire forming part (1).

6. The inclined wire forming high-basis weight special paper machine as claimed in claim 5, wherein the conveying mesh belt (37) adopts a special guide belt for a drying room, and the mesh number is 8-20.

7. The inclined wire forming high-basis-weight special paper machine as claimed in claim 1, wherein the base part (21) comprises a foundation plate, anchor bolts and nuts.

8. The inclined wire forming high basis weight specialty paper machine according to claim 1, characterized in that said levelling means (7) is one of 1-3 levelling rolls or turbulence rolls.

9. The inclined wire forming high-basis-weight special paper machine as claimed in claim 1, wherein the inclined upper lip plate (15) is made of wear-resistant rubber plate and is adjustable in front and rear and up and down positions, and the finishing roller (16) is made of stainless steel and is adjustable in up and down positions.

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