CN216074522U

CN216074522U - Water-saving net part structure for high-strength corrugated medium paper machine

Info

Publication number: CN216074522U
Application number: CN202122016015.5U
Authority: CN
Inventors: 郭新安; 贾永博; 孙培培
Original assignee: Henan Longyuan Paper Co ltd
Current assignee: Henan Longyuan Paper Co ltd
Priority date: 2021-08-25
Filing date: 2021-08-25
Publication date: 2022-03-18
Anticipated expiration: 2031-08-25

Abstract

The utility model discloses a water-saving net part structure for a high-strength corrugated medium paper machine, which comprises a paper forming net part, wherein the paper forming net part comprises a hydraulic pulp flowing box, a surface net mechanism, a bottom net mechanism, a low-pressure moisture absorption mechanism, a high-pressure moisture absorption mechanism, a first water-saving net cleaning mechanism, a second water-saving net cleaning mechanism and a frame, the net part structure of the paper machine firstly dehydrates single-layer paper by utilizing gravity at the surface net mechanism and the bottom net mechanism, then dehydrates the composite double-layer paper at low pressure and high pressure by negative pressure on the bottom net mechanism, dehydrates step by step to reduce the pressure of centralized dehydration and improve the effect of paper forming, in addition, the first water-saving net cleaning mechanism and the second water-saving net cleaning mechanism are utilized to collect the dehydrated water and filter the gravity dehydration part, and the water flows by means of gravity to clean the residue of the net part, the forming effect of the net part is improved, the paper quality is ensured, and meanwhile, water and energy are saved.

Description

Water-saving net part structure for high-strength corrugated medium paper machine

Technical Field

The utility model relates to the technical field of paper machines, in particular to a water-saving net part structure for a high-strength corrugated raw paper machine.

Background

Paper is indispensable in life and work of people and plays an important role in life of people. With the development of national economy, scientific culture and education, the demand for paper is greatly increased both quantitatively and qualitatively. Paper machines are the main tools for producing paper, and the quality of the paper production process is a big concern for the yield, quality and consumption of raw materials.

A typical papermaking machine includes a main machine such as a headbox, a wire section, a press section, a dryer section, a calender, a winder, and a drive section, and auxiliary systems such as steam, water, vacuum, lubrication, heat recovery, and the like. The wire part is mainly formed by dewatering the pulp suspension meeting the papermaking requirements through a filter screen. After the paper is formed, the wire section needs to be cleaned, so that when the wire section is circulated, the last-formed residue cannot be carried on the net table, the quality of the later paper forming is prevented from being influenced, and a problem exists in the wire section of many paper machines: the water separated from the paper is basically emptied and wasted, and the cleaning of the net part brings a large amount of sewage, which is not favorable for the development concept of water conservation, energy conservation and environmental protection.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a water-saving net part structure for a high-strength corrugated medium paper machine, which aims to solve the problems that water separated from paper is basically drained and wasted, and the cleaning of the net part brings a large amount of sewage, which is not beneficial to the development concept of water saving, energy saving and environmental protection.

In order to solve the technical problems, the utility model adopts the following technical scheme:

a water-saving net part structure for a high-strength corrugated raw paper making machine comprises a paper forming net part, wherein the paper forming net part comprises a hydraulic pulp flowing box, a surface net mechanism, a bottom net mechanism, a low-pressure moisture absorption mechanism, a high-pressure moisture absorption mechanism, a first water-saving net cleaning mechanism, a second water-saving net cleaning mechanism and a rack, the bottom net mechanism is installed on the rack, the surface net mechanism is installed above the bottom net mechanism through the rack, the paper outlet end of the surface net mechanism is close to the upper surface of the bottom net mechanism through a tensioning adjusting roller set to form a paper composite point, the two hydraulic pulp flowing boxes are respectively installed on the feeding ends of the surface net mechanism and the bottom net mechanism, the low-pressure moisture absorption mechanism and the high-pressure moisture absorption mechanism are sequentially installed on the bottom net mechanism according to the paper advancing direction and are located at the paper outlet end of the paper composite point, the two first water-saving net cleaning mechanisms are respectively arranged on the gravity water outlet ends of the surface net mechanism and the bottom net mechanism, and the second water-saving net cleaning mechanism is arranged on the negative pressure water outlet end of the bottom net mechanism.

The further technical scheme is as follows: the mechanism is netted with end net mechanism structure unanimously, including the forming wire, walk net roller set, profiled sheeting, scrape water sheet case, jump oar case and dehydration sheet case, it installs to walk net roller set in the frame, the forming wire tensioning is in walk on the net roller set, the profiled sheeting scrape water sheet case jump the oar case with dehydration sheet case installs according to paper direction of advance in proper order the forming wire with walk between the net roller set.

The further technical scheme is as follows: first water conservation net cleaning mechanism includes box and filter screen, the box passes through the column mouting in the frame, the water inlet of box is installed scrape the wiper plate case jump the oar case with the below of dehydration paddle case, the delivery port orientation of box the lower ring inner face of former net sets up, the filter screen is installed in the box.

The further technical scheme is as follows: the second water-saving net cleaning mechanism is a water tank with an opening facing the inner surface of the lower ring of the forming net in the bottom net mechanism, and the water inlet end of the water tank is communicated with the low-pressure moisture absorption mechanism and the high-pressure moisture absorption mechanism through a steam-water separator respectively.

The further technical scheme is as follows: the low-pressure moisture absorption mechanism is a low-pressure moisture absorption box communicated with a negative pressure air source.

The further technical scheme is as follows: the high-pressure moisture absorption mechanism is a three-chamber vacuum water absorption box communicated with a negative pressure air source.

The further technical scheme is as follows: and a sewage collecting box for the surface net mechanism and the bottom net mechanism is arranged below the rack.

Compared with the prior art, the utility model has the beneficial effects that:

the utility model provides a water-saving net part structure for a high-strength corrugated raw paper making machine, which is characterized in that the net part structure of the paper making machine firstly performs first-step dehydration on single-layer paper by utilizing gravity at a surface net mechanism and a bottom net mechanism, then performs low-pressure dehydration and high-pressure dehydration on the compounded double-layer paper by negative pressure on the bottom net mechanism, and the step-by-step dehydration can reduce the pressure of centralized dehydration and improve the paper forming effect.

Drawings

Fig. 1 shows a water-saving net part structure for a high-strength corrugated medium paper machine according to the present invention.

Reference numerals: 1. a hydraulic headbox; 2. a surface net mechanism; 3. a bottom screen mechanism; 4. a low pressure moisture absorption mechanism; 5. a high-pressure moisture absorption mechanism; 6. a first water-saving net cleaning mechanism; 7. a second water-saving net cleaning mechanism; 8. a frame; 9. forming a net; 10. a net moving roller set; 11. forming a plate; 12. a wiper blade case; 13. a jumping paddle box; 14. a dewatering box; 15. a box body; 16. a filter screen; 17. a sewage collecting tank; 18. tensioning adjusting roller set.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of 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 utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

In addition, the embodiments of the present invention and the features of the embodiments may be combined with each other without conflict.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, or orientations or positional relationships that are conventionally placed when the products of the present invention are used, or orientations or positional relationships that are conventionally understood by those skilled in the art, and are used only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element that is referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The first embodiment is as follows:

in this embodiment, as shown in fig. 1, a water-saving type wire structure for a high-strength corrugated medium paper machine is provided, which has the following structure: the paper forming net part comprises a hydraulic pulp flowing box 1, a surface net mechanism 2, a bottom net mechanism 3, a low-pressure moisture absorption mechanism 4, a high-pressure moisture absorption mechanism 5, a first water-saving net cleaning mechanism 6, a second water-saving net cleaning mechanism 7 and a frame 8, wherein the bottom net mechanism 3 is arranged on the frame 8, the surface net mechanism 2 is arranged above the bottom net mechanism 3 through the frame 8, and the paper outlet end of the surface net mechanism 2 is close to the upper surface of the bottom net mechanism 3 through the tensioning adjusting roller group 18 to form a paper compounding point, two hydraulic type flow boxes 1 are respectively arranged on the feeding ends of the surface net mechanism 2 and the bottom net mechanism 3, a low-pressure moisture absorption mechanism 4 and a high-pressure moisture absorption mechanism 5 are sequentially arranged on the bottom net mechanism 3 according to the paper advancing direction, and is positioned at the paper outlet end of the paper combining point, two first water-saving net cleaning mechanisms 6 are respectively arranged on the gravity water outlet ends of the surface net mechanism 2 and the bottom net mechanism 3, and a second water-saving net cleaning mechanism 7 is arranged on the negative pressure water outlet end of the bottom net mechanism 3.

The working process of the utility model is as follows: the hydraulic pulp flowing box 1 respectively feeds paper pulp into a surface net mechanism 2 and a bottom net mechanism 3 for forming and gravity dewatering work, wherein single-layer paper formed on the surface net mechanism 2 can be compounded with the single-layer paper formed on the bottom net mechanism 3 at a paper compounding point according to the tension degree adjusted by a tension adjusting roller set 18, the two layers of composite paper continuously advance on the bottom net mechanism 3 for low-pressure and high-pressure dewatering work, the pressure of traditional centralized dewatering can be reduced and the paper forming effect can be improved through step dewatering, in addition, two first water-saving net cleaning mechanisms 6 are respectively arranged on the gravity water outlet ends of the surface net mechanism 2 and the bottom net mechanism 3 for collecting water separated through gravity, a second water-saving net cleaning mechanism 7 is arranged on the negative pressure water outlet end of the bottom net mechanism 3 for collecting water separated through high and low negative pressures, the first water-saving net cleaning mechanism 6 and the second water-saving net cleaning mechanism 7 use the collected separated water for cleaning the residues of the net part, the forming effect of the net part is improved, the paper quality is ensured, and meanwhile, water and energy are saved.

Further, the structure of the surface net mechanism 2 is consistent with that of the bottom net mechanism 3, and the surface net mechanism comprises a forming net 9, a net walking roller set 10, a forming plate 11, a wiper plate box 12, a jumping paddle box 13 and a dewatering plate box 14, wherein the net walking roller set 10 is installed on the rack 8, the forming net 9 is tensioned on the net walking roller set 10, and the forming plate 11, the wiper plate box 12, the jumping paddle box 13 and the dewatering plate box 14 are sequentially installed between the forming net 9 and the net walking roller set 10 according to the advancing direction of paper.

According to the drawing, the wiper plate box 12 is provided with a plurality of groups for improving the wiping effect, the wiper plate box 12 is provided with the jumping paddle box 13, the multi-channel wiping process is prevented from influencing the surface flatness of the paper, and the dehydration plate box 14 can be communicated with a negative pressure air source to improve the dehydration effect.

Further, the first water-saving net cleaning mechanism 6 comprises a box body 15 and a filter screen 16, the box body 15 is installed on the rack 8 through an upright column, a water inlet of the box body 15 is installed below the wiper plate box 12, the jump paddle box 13 and the dehydration plate box 14, a water outlet of the box body 15 is arranged towards the inner surface of a lower ring of the forming net 9, and the filter screen 16 is installed in the box body 15. The gravity-free paper pulp forming machine is used for collecting and filtering paper pulp water separated by gravity, and utilizing gravity to automatically flow to clean residues on the forming net 9, so that the net cleanliness is improved, the paper forming quality is improved, the use of external water can be reduced, and water and energy are saved.

Further, the second water-saving net cleaning mechanism 7 is a water tank with an opening facing the inner surface of the lower ring of the forming net 9 in the bottom net mechanism 3, and the water inlet end of the water tank is respectively communicated with the low-pressure moisture absorption mechanism 4 and the high-pressure moisture absorption mechanism 5 through a steam-water separator. The device is used for recycling pulp water separated by negative pressure, and is water-saving and energy-saving.

Further, the low-pressure moisture absorption mechanism 4 is a low-pressure moisture absorption box communicated with a negative pressure air source.

Further, the high-pressure moisture absorption mechanism 5 is a three-chamber vacuum water absorption box communicated with a negative pressure air source.

Further, a sewage collecting box 17 for the surface net mechanism 2 and the bottom net mechanism 3 is arranged below the frame 8.

Although the utility model has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this disclosure. More specifically, various variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure, the drawings and the appended claims. In addition to variations and modifications in the component parts and/or arrangements, other uses will also be apparent to those skilled in the art.

Claims

1. The utility model provides a water-saving net portion structure for high-strength corrugated medium paper machine, includes paper shaping net portion, its characterized in that: the paper forming net part comprises a hydraulic pulp flowing box (1), a surface net mechanism (2), a bottom net mechanism (3), a low-pressure moisture absorption mechanism (4), a high-pressure moisture absorption mechanism (5), a first water-saving net cleaning mechanism (6), a second water-saving net cleaning mechanism (7) and a rack (8), wherein the bottom net mechanism (3) is installed on the rack (8), the surface net mechanism (2) is installed above the bottom net mechanism (3) through the rack (8), the paper outlet end of the surface net mechanism (2) is close to the upper surface of the bottom net mechanism (3) through a tensioning adjusting roller set (18) to form a paper composite point, the two hydraulic pulp flowing boxes (1) are respectively installed on the surface net mechanism (2) and the feeding end of the bottom net mechanism (3), the low-pressure moisture absorption mechanism (4) and the high-pressure moisture absorption mechanism (5) are sequentially installed on the bottom net mechanism (3) according to the paper advancing direction, and the two first water-saving net cleaning mechanisms (6) are respectively arranged on the gravity water outlet ends of the surface net mechanism (2) and the bottom net mechanism (3), and the second water-saving net cleaning mechanism (7) is arranged on the negative pressure water outlet end of the bottom net mechanism (3).

2. A water-saving type wire part structure for a high-strength corrugating medium paper machine according to claim 1, characterized in that: face net mechanism (2) with end net mechanism (3) structure is unanimous, including forming net (9), walk net roller set (10), profiled sheeting (11), scrape water board case (12), jump oar case (13) and dehydration board case (14), it installs to walk net roller set (10) on frame (8), forming net (9) tensioning is in walk on net roller set (10), profiled sheeting (11) scrape water board case (12) jump oar case (13) with dehydration board case (14) are installed according to paper direction of advance in proper order forming net (9) with walk between net roller set (10).

3. A water-saving type wire part structure for a high-strength corrugating medium paper machine according to claim 2, wherein: first water conservation net cleaning mechanism (6) includes box (15) and filter screen (16), box (15) are in through the column mouting on frame (8), the water inlet of box (15) is installed scrape water board case (12) jump oar case (13) with the below of dehydration board case (14), the delivery port orientation of box (15) the lower ring inner face of forming net (9) sets up, filter screen (16) are installed in box (15).

4. A water-saving type wire part structure for a high-strength corrugating medium paper machine according to claim 2, wherein: the second water-saving net cleaning mechanism (7) is a water tank with an opening facing the inner surface of the lower ring of the forming net (9) in the bottom net mechanism (3), and the water inlet end of the water tank is communicated with the low-pressure moisture absorption mechanism (4) and the high-pressure moisture absorption mechanism (5) through a steam-water separator.

5. The water-saving type net part structure for a high-strength corrugating medium paper machine according to claim 4, wherein: the low-pressure moisture absorption mechanism (4) is a low-pressure moisture absorption box communicated with a negative-pressure air source.

6. A water-saving type wire part structure for a high-strength corrugating medium paper machine according to claim 1, characterized in that: the high-pressure moisture absorption mechanism (5) is a three-chamber vacuum water suction box communicated with a negative pressure air source.

7. A water-saving type wire part structure for a high-strength corrugating medium paper machine according to claim 1, characterized in that: and a sewage collecting box (17) for the surface net mechanism (2) and the bottom net mechanism (3) is arranged below the rack (8).