Drying boiler for papermaking

Abstract

The utility model discloses a drying boiler for papermaking, and belongs to the technical field of papermaking devices. The drying boiler for papermaking further comprises a one-way valve arranged at the lower end of the water outlet pipe. An air outlet hole and a water inlet hole are sequentially formed in the inner side wall of the boiler shell from top to bottom; a metal plate is clamped at the lower end of the inner side of the boiler shell; the boiler shell is fixedly connected with a heating block on the lower side of the metal plate; a boiler pipe is clamped on the inner side of the placing box; an upper pipe opening of the boiler pipe is clamped with the air outlet hole; the end opening close to the lower side of the boiler pipe is clamped with the water inlet hole; by arranging the one-way valve, the heating block and the boiler pipe, after water on paper pulp drops, a large amount of water vapor is generated through a heating block heating mode, after the boiler pipe is heated, the paper pulp is dried through the boiler pipe, the drying efficiency is improved, and more energy is saved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to papermaking device technical field, more specifically, relate to a drying boiler for papermaking. BACKGROUND

[0002] With the development of papermaking industry technology, the packaging paper enterprise must increase the kind of packaging product, promote product quality, in the quantitative aspect of product, according to the requirement of market, produce low quantitative, high strength's cowhide box board.

[0003] The vacuum suction tank is the main dewatering equipment in the papermaking machine, and the vacuum suction tank used on the papermaking machine in the prior art is connected with a vacuum pump to form negative pressure, and the wet paper sheet attached to the papermaking net is sucked and dewatered. The dewatering process of the wet paper sheet on the vacuum suction tank can be divided into three stages. Initially, the moisture content of the wet paper sheet is high, and the water is filtered and discharged under the pressure difference caused by the vacuum, which is commonly referred to as the free dewatering stage. Then, the wet paper sheet is compressed under the pressure difference, and compression dewatering occurs. Finally, air begins to penetrate the paper sheet, and a part of the water between the fibers is carried into the suction tank with the airflow, forming so-called air power dewatering.

[0004] The utility model discloses a drying device for papermaking, including boiler, wherein, the boiler passes through pipeline communication laval pipe, the outside of laval pipe is provided with communication cavity, and the communication cavity communicates the throat of laval pipe, the communication cavity communicates dehumidification pipe, and the dehumidification pipe communicates dry storehouse, paper holds frame is provided in dry storehouse, and dry storehouse is provided sealed storehouse door, and the wall of dry storehouse is provided controllable opening and closing airway, and dry storehouse is also provided first air pressure table. The drying device for papermaking provided in the application utilizes the principle of drainage to form a vacuum in the dry storehouse, so that the air pressure in the dry storehouse is lower than the saturated vapor pressure of water. The water in the paper in the dry storehouse evaporates continuously, and the paper is dried. The application can efficiently dry a large quantity of paper and ensure that the paper is not damaged.

[0005] Although the above-mentioned drying device for papermaking can dry a large quantity of paper, the drying efficiency is poor, and the energy consumption is large. UTILITY MODEL CONTENTS

[0006] The utility model discloses a drying boiler for papermaking, which improves the drying efficiency and is more energy-saving.

[0007] The utility model relates a dry boiler for papermaking, including the placing box, the placing box lower end joint boiler shell, the placing box inboard fixedly connected three object plate, the placing box rotary connection turn -over door, the placing box inboard lower end joint water collecting block, the water collecting block lower end fixed connection outlet pipe, still including the one -way valve of setting in the outlet pipe lower end, the boiler shell inboard wall from top to bottom in proper order set out gas hole, water inlet, the boiler shell inboard lower end joint metal sheet, the boiler shell is located metal sheet downside fixed connection heating block, the placing box inboard joint boiler pipe, the boiler pipe upper spout with out gas hole and is connected, the boiler pipe lower side port with water inlet and is connected.

[0008] Preferably: the boiler shell inboard is located between out gas hole and water inlet joint filter screen, and the outlet pipe upper side sets up sponge block.

[0009] Preferably: the placing box inboard is close to object plate place and sets up three stopper respectively.

[0010] Preferably: the object plate is inclined setting, and the angle between each object plate and placing box upper end surface is two degrees.

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

[0012] (1) by setting one -way valve, heating block, boiler pipe, utilize paper pulp on the water drop, through heating block heating mode, produce a large amount of water vapor, after heating boiler pipe, utilize boiler pipe dry paper pulp and dry it, improve the drying efficiency, more energy -efficient;

[0013] (2) by setting one -way valve, make water flow only one -way flow from one -way valve, prevent moisture backflow, improve the drying efficiency, more energy -efficient;

[0014] (3) by the object plate of inclined setting, with the stopper of surrounding the wood board of carrying paper pulp, make paper pulp water flow can flow out, improve the drying efficiency, more energy -efficient. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the whole structure schematic diagram of the utility model;

[0016] Figure 2 It is the internal structure schematic diagram of the utility model;

[0017] Figure 3 It is the main structure schematic diagram of the utility model;

[0018] Figure 4 It is the boiler pipe structure schematic diagram of the utility model.

[0019] Explanation of reference numerals in the drawing: 10, placing box; 11, boiler pipe; 12, boiler shell; 13, carrier plate; 14, stop block; 15, water collecting block; 16, sponge block; 17, water outlet pipe; 18, filter screen; 19, one-way valve; 20, metal plate; 21, heating block; 22, air outlet hole; 23, water inlet hole; 24, turnover door. DETAILED DESCRIPTION

[0020] Specific embodiment one: please refer to Figures 1-4 A drying boiler for papermaking, comprising a placing box 10; the lower end of the placing box 10 is clamped with a boiler shell 12; the inner side of the placing box 10 is fixedly connected with three carrier plates 13; the placing box 10 is rotationally connected with a turnover door 24; the inner side of the placing box 10 is clamped with a water collecting block 15 at the lower end; the lower end of the water collecting block 15 is fixedly connected with a water outlet pipe 17; further comprising a one-way valve 19 arranged at the lower end of the water outlet pipe 17; the inner side wall of the boiler shell 12 is sequentially provided with an air outlet hole 22 and a water inlet hole 23 from top to bottom; the inner side of the lower end of the boiler shell 12 is clamped with a metal plate 20; the lower side of the boiler shell 12 is fixedly connected with a heating block 21; the inner side of the placing box 10 is clamped with a boiler pipe 11; the upper pipe opening of the boiler pipe 11 is clamped with the air outlet hole 22; the lower side of the boiler pipe 11 is clamped with the water inlet hole 23; by arranging the one-way valve 19, the heating block 21 and the boiler pipe 11, a large amount of water vapor is generated by the way of heating the water droplets on the paper pulp through the heating block 21 after the water droplets fall, the paper pulp is dried by the boiler pipe 11 after the heating of the boiler pipe 11, and the drying efficiency is improved, and it is more energy-saving.

[0021] Please refer to Figures 2-3 The inner side of the boiler shell 12 is clamped with a filter screen 18 between the air outlet hole 22 and the water inlet hole 23; the upper side of the water outlet pipe 17 is provided with a sponge block 16; by arranging the one-way valve 19, the water flow can only flow out from the one-way valve 19 in one direction, preventing water from flowing back, improving the drying efficiency, and being more energy-saving.

[0022] Please refer to Figures 2-3 The inner side of the placing box 10 is provided with three stop blocks 14 respectively near the carrier plates 13.

[0023] Please refer to Figure 3 The carrier plates 13 are arranged in an inclined manner, and the included angle between each carrier plate 13 and the upper end surface of the placing box 10 is two degrees; by arranging the carrier plates 13 in an inclined manner, the wooden plates carrying the paper pulp are surrounded by the stop blocks 14, so that the water flow of the paper pulp can flow out, the drying efficiency is improved, and it is more energy-saving.

[0024] In operation, open the flip door 24, place the pulp carrying board on the loading plate 13, the pulp carrying board presses against the stopper 14, the water on the pulp flows into the water collecting block 15 through the loading plate 13 and the stopper 14, then the water flowing down from the pulp is filtered through the sponge block 16, preventing the pulp debris from entering the inside of the one-way valve 19; after the water flow pushes open the one-way valve 19 and flows into the inside of the boiler shell 12, the water flow is filtered through the filter screen 18, then the heating block 21 is started, the heating block 21 heats the water flow on the metal plate 20, making it into steam; the hot water vapor enters the inside of the boiler pipe 11 through the air outlet hole 22, the part of the boiler pipe 11 inside the placing box 10 is heated, the part of the boiler pipe 11 inside the placing box 10 is heated, the heat is diffused to the inside of the placing box 10, the hot water vapor dries the pulp on the loading plate 13, after the water flow flows down and passes through the one-way valve 19 again, it enters the inside of the boiler shell 12, the heat of the heating block 21 is diffused to the inside of the boiler pipe 11 through the water vapor, the pulp has more water, after the water slides off the loading plate 13 and flows onto the metal plate 20, more water vapor is generated, accelerating the drying of the pulp inside the placing box 10.

[0025] As used in the specification and claims, certain terminology is used to designate certain components. One of skill in the art will understand that different names can be used by hardware manufacturers to refer to the same component. The specification and claims do not differentiate between names used to refer to a component, but rather the functional nature of the component as understood by one of skill in the art. As used throughout the specification and claims, "comprising" is intended to mean "including but not limited to." "Consisting essentially of" shall mean including an element that does not materially affect the basic and novel characteristic(s) of the compositions or methods described herein. "Substantially" and its variations are intended to refer to the absence of an absolute, and are understood to allow for a degree of variance, while maintaining the basic and novel characteristics expected by the one of ordinary skill in the art.

[0026] It is to be understood that the terms "including", "comprising", "consisting of" or variations thereof do not preclude the addition of non-recited materials and / or process steps, or the use of alternatives thereof. Unless specifically set forth herein, numerical parameters are not limiting.

[0027] The foregoing description discloses and describes several preferred embodiments of the present application, but it is understood that the application is not limited to the foregoing description, and should not be considered as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be modified and changed within the scope of the application described herein, by the above teachings or related art or knowledge. Any modification and change made by those skilled in the art without departing from the spirit and scope of the application shall be within the protection scope of the claims of the present application.

Claims

1. A papermaking drying boiler, comprising a placing box (10); the lower end of the placing box (10) is clamped with a boiler shell (12); the inner side of the placing box (10) is fixedly connected with three object boards (13); the placing box (10) is rotationally connected with a turnover door (24); the inner side of the placing box (10) is clamped with a water collecting block (15) at the lower end; the lower end of the water collecting block (15) is fixedly connected with a water outlet pipe (17); characterized in that, It also includes the one-way valve (19) arranged in the lower end of the water outlet pipe (17); the inner side wall of the boiler shell (12) is sequentially provided with the air outlet hole (22) and the water inlet hole (23) from top to bottom; the inner side lower end of the boiler shell (12) is clamped with the metal plate (20); the lower side of the boiler shell (12) is fixedly connected with the heating block (21); the inner side of the placing box (10) is clamped with the boiler pipe (11); the upper end of the boiler pipe (11) is clamped with the air outlet hole (22); the lower end of the boiler pipe (11) is clamped with the water inlet hole (23).

2. A drying boiler for papermaking according to claim 1, characterized in that: The inner side of the boiler shell (12) is clamped with the filter screen (18) between the air outlet hole (22) and the water inlet hole (23); the upper side of the water outlet pipe (17) is provided with the sponge block (16).

3. A drying boiler for papermaking according to claim 1, characterized in that: The inner side of the placing box (10) is provided with three stop blocks (14) near the carrier plate (13).

4. A drying boiler for papermaking according to any one of claims 1 to 3, characterized in that: The carrier plate (13) is arranged in an inclined manner, and the included angle between each carrier plate (13) and the upper end surface of the placing box (10) is two degrees.

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