CN218936823U - Efficient dewatering equipment for papermaking blanket - Google Patents

Abstract

The utility model relates to the field of papermaking equipment, in particular to high-efficiency dewatering equipment for a papermaking blanket, which comprises a dewatering box, wherein an inlet and an outlet are respectively formed in the left side and the right side of the dewatering box, a first supporting roller is arranged on the inner side of the outlet, a lower extrusion roller is arranged on the right side of the first supporting roller, a telescopic mechanism is arranged above the lower extrusion roller, an upper extrusion roller is rotatably arranged at the lower end of the telescopic mechanism, a second supporting roller is arranged on the right side of the lower extrusion roller, a third supporting roller lower than the second supporting roller is arranged on the right side of the second supporting roller, a fourth supporting roller lower than the third supporting roller is arranged between the second supporting roller and the third supporting roller, a first hot air disc is arranged between the second supporting roller and the third supporting roller, and a second hot air disc is arranged between the third supporting roller and the fourth supporting roller.

Description

Efficient dewatering equipment for papermaking blanket

Technical Field

The utility model belongs to the field of papermaking equipment, and particularly relates to efficient dewatering equipment for a papermaking felt.

Background

The paper making technology is one of the four ancient utility models in China, is a clean crystal of the wisdom of ancient people in China, the paper making technology is developed to a plurality of categories, in the paper making industry, the paper making blanket has the functions of absorbing and transmitting wet paper sheets and absorbing moisture in the wet paper according to different positions, the paper making blanket can not absorb water again after the absorption moisture of the paper making blanket reaches the limit, at the moment, the paper making blanket needs to be dehydrated in a common dehydration device in an extrusion mode, the blanket needs to be dried after extrusion is finished, the blanket after extrusion dehydration needs to be sent to a drying chamber again, the drying is complicated, the paper making blanket is generally blown by hot air, the hot air often blows one surface of the paper making blanket, and the drying is uneven, so that the development of a uniform dehydration setting of the paper making blanket is particularly necessary.

Disclosure of Invention

The utility model aims to provide high-efficiency dewatering equipment for a papermaking felt, which has the advantage of uniform dewatering.

The technical scheme adopted is as follows:

the utility model provides a high-efficient dewatering equipment of papermaking woollen blanket, including the dewatering box, entry and export have been seted up respectively to the dewatering box left and right sides, the export inboard is provided with first backing roll, first backing roll right side is provided with down the squeeze roller, it is provided with telescopic machanism to press the roller top down, telescopic machanism lower extreme rotation is provided with the squeeze roller down, it is provided with the second backing roll to press the roller right side down, the second backing roll right side is provided with the third backing roll that is less than the second backing roll, be provided with the fourth backing roll that is less than the third backing roll between second backing roll and the third backing roll, be provided with first hot-air dish between second backing roll and the third backing roll, be provided with the second hot-air dish between third backing roll and the fourth backing roll, the dewatering box is provided with draught fan and wet pipe.

Preferably, a water collecting tank with an opening at the upper end is arranged below the lower squeeze roller, and a water draining pipe extending out of the dewatering tank is arranged in the water collecting tank.

Preferably, a sponge cushion is laid on the inner wall of the water collecting tank.

Preferably, a plurality of electric heating pipes are arranged in the dewatering box.

Preferably, a temperature sensor is arranged in the dewatering box.

Preferably, the induced draft fan is arranged on the upper end face of the dewatering box, and the dehumidifying pipe is arranged on the lower end face of the dewatering box.

Preferably, the telescopic mechanism comprises a mounting plate, a plurality of spring telescopic rods are vertically arranged at the upper end of the mounting plate, a winch is arranged at the upper end of the dewatering box, and a steel cable connected with the mounting plate is arranged at the winch.

Preferably, the upper ends of the lower squeeze rollers are lower than the upper ends of the first support roller and the second support roller.

Compared with the prior art, the beneficial effects are that:

the telescopic mechanism controls the upper squeeze roller to move up and down, so that the distance between the upper squeeze roller and the lower squeeze roller is changed, the paper-making blanket is squeezed and dehydrated when the paper-making blanket passes through the space between the upper squeeze roller and the lower squeeze roller, the paper-making blanket is positioned at a place when the paper-making blanket is squeezed and dehydrated, water flows to two sides of the paper-making blanket when the paper-making blanket is prevented from squeezing, the upper end face of the paper-making blanket is dried by blowing hot air by the first hot air disc under the guiding action of the third support roller and the fourth support roller, and the lower end face of the paper-making blanket is dried by blowing hot air by the second hot air disc, so that the uniform drying of the blanket is realized.

Drawings

Figure 1 is a schematic view of the internal structure of a papermaking felt high efficiency dewatering apparatus of the present utility model,

figure 2 is a schematic diagram of the structure at a in figure 1,

figure 3 is a schematic diagram of the structure of a papermaking felt high efficiency dewatering apparatus of the present utility model in a right side view,

in the figure: 1. the device comprises a dewatering box, 2, an inlet, 3, an outlet, 4, a temperature sensor, 5, an electric heating tube, 6, a first supporting roller, 7, a lower squeeze roller, 81, a spring telescopic rod, 82, a winch, 83, a steel cable, 9, an upper squeeze roller, 10, a drain pipe, 11, a second supporting roller, 12, a third supporting roller, 13, a fourth supporting roller, 14, a first hot air disk, 15, a second hot air disk, 16, a hot air generating mechanism, 17, an induced draft fan, 18, a moisture removing pipe, 19 and a water collecting tank.

Detailed Description

The utility model is further described below in connection with specific embodiments, as shown in fig. 1 to 3:

example 1: the high-efficiency dewatering equipment for the papermaking blanket comprises a dewatering box 1, wherein an inlet 2 and an outlet 3 are respectively formed in the left side and the right side of the dewatering box 1, the inlet 2 and the outlet 3 are used for entering and outputting the papermaking blanket, a first supporting roller 6 is arranged on the inner side of the outlet 3, the first supporting roller 6 is horizontally arranged along the front-back direction, a lower squeeze roller 7 is arranged on the right side of the first supporting roller 6, a telescopic mechanism is arranged above the lower squeeze roller 7, an upper squeeze roller 9 is rotatably arranged at the lower end of the telescopic mechanism,

the telescopic mechanism controls the upper squeeze roll 9 to move up and down, thereby changing the distance between the upper squeeze roll 9 and the lower squeeze roll 7, so as to squeeze and dewater the papermaking felt when the papermaking felt passes between the upper squeeze roll 9 and the lower squeeze roll 7,

the right side of the lower squeeze roller 7 is provided with a second support roller 11, the right side of the second support roller 11 is provided with a third support roller 12 lower than the second support roller 11, a fourth support roller 13 lower than the third support roller 12 is arranged between the second support roller 11 and the third support roller 12, a first hot air disk 14 is arranged between the second support roller 11 and the third support roller 12, a second hot air disk 15 is arranged between the third support roller 12 and the fourth support roller 13, a hot air generating mechanism 16 is arranged outside the dewatering box 1, the hot air generating mechanism 16 is provided with a hot air pipe 15 connected with the first hot air disk 14 and the second hot air disk 15,

the first hot air tray 14 and the second hot air tray 15 respectively blow hot air to two sides of the papermaking felt for drying, the dewatering box 1 is provided with an induced draft fan 17 and a moisture discharging pipe 18, the induced draft fan 17 introduces the air into the dewatering box 1 and discharges the air from the moisture discharging pipe 18, and the moist air in the dewatering box 1 is discharged.

Example 2: an efficient dewatering device for a papermaking blanket comprises a dewatering box 1, wherein an inlet 2 and an outlet 3 are respectively arranged at the left side and the right side of the dewatering box 1, the inlet 2 and the outlet 3 are used for entering and outputting the papermaking blanket, a plurality of electric heating pipes 5 are arranged in the dewatering box 1, a temperature sensor 4 is arranged in the dewatering box 1, the electric heating pipes 5 heat the inside of the dewatering box 1, so that the temperature in the dewatering box 1 is increased, the dewatering of the papermaking blanket is facilitated, the temperature sensor 4 is convenient for monitoring the temperature in the dewatering box 1,

the inner side of the outlet 3 is provided with a first supporting roller 6, the first supporting roller 6 is horizontally arranged along the front-back direction, the right side of the first supporting roller 6 is provided with a lower squeeze roller 7, a telescopic mechanism is arranged above the lower squeeze roller 7, the lower end of the telescopic mechanism is rotationally provided with an upper squeeze roller 9, the telescopic mechanism comprises a mounting plate, the upper end of the mounting plate is vertically provided with a plurality of spring telescopic rods 81, the upper end of the dewatering box 1 is provided with a winch 82, the winch 82 is provided with a steel cable 83 connected with the mounting plate,

the telescopic mechanism controls the upper squeeze roller 9 to move up and down so as to change the distance between the upper squeeze roller 9 and the lower squeeze roller 7, thereby squeezing and dehydrating the papermaking felt when the papermaking felt passes between the upper squeeze roller 9 and the lower squeeze roller 7, a water collecting tank 19 with an open upper end is arranged below the lower squeeze roller 7, the water collecting tank 19 is provided with a drain pipe 10 extending out of the dewatering tank 1, the water collecting tank 19 avoids splashing caused by water dropping from the papermaking felt at the bottom end in the dewatering tank 1, the splashed water drops are prevented from wetting the papermaking felt again, a foam-rubber cushion is paved on the inner wall of the water collecting tank 19, the foam-rubber cushion avoids splashing of the water dropping into the water collecting tank 19,

the right side of the lower squeeze roller 7 is provided with a second supporting roller 11, the upper end of the lower squeeze roller 7 is lower than the upper ends of the first supporting roller 6 and the second supporting roller 11, when the paper making blanket is squeezed and dehydrated, the paper making blanket is positioned at a place, water is prevented from flowing to two sides of the paper making blanket during squeezing,

a third supporting roller 12 lower than the second supporting roller 11 is arranged on the right side of the second supporting roller 11, a fourth supporting roller 13 lower than the third supporting roller 12 is arranged between the second supporting roller 11 and the third supporting roller 12, a first hot air disk 14 is arranged between the second supporting roller 11 and the third supporting roller 12, a second hot air disk 15 is arranged between the third supporting roller 12 and the fourth supporting roller 13, a hot air generating mechanism 16 is arranged outside the dewatering box 1, a hot air pipe 15 connected with the first hot air disk 14 and the second hot air disk 15 is arranged on the hot air generating mechanism 16, and the hot air generating mechanism 16 is of the prior art and is not repeated here;

the first hot air disc 14 and the second hot air disc 15 respectively blow hot air to two sides of the papermaking blanket for drying, the dewatering box 1 is provided with an induced draft fan 17 and a moisture discharging pipe 18, the induced draft fan 17 introduces air into the dewatering box 1 and discharges the air from the moisture discharging pipe 18, moist air in the dewatering box 1 is discharged, the induced draft fan 17 is arranged on the upper end face of the dewatering box 1, the moisture discharging pipe 18 is arranged on the lower end face of the dewatering box 1, the moist air is led downwards and discharged, the rise of the moist air is reduced, water drops are condensed at the upper end in the dewatering box 1, and the water drops are reduced to drop on the papermaking blanket for wetting the papermaking blanket.

The specific working process is as follows: the electrothermal tube 5 and the hot air generating mechanism 16 are started, the electrothermal tube 5 heats the inside of the dewatering box 1 to raise the temperature inside the dewatering box 1, the hot air generating mechanism 16 reduces hot air to be supplied to the first hot air disk 14 and the second hot air disk 15, the paper making blanket is fed in from the inlet 2, the paper making blanket passes through the upper end of the first supporting roller 6 and then enters between the upper extruding roller 9 and the lower extruding roller 7, passes through the upper end of the second supporting roller 11 and the upper end of the third supporting roller 12 and then passes through the lower end of the fourth supporting roller 13, and then is conveyed out of the dewatering box 1 from the outlet 3,

in the process, the telescopic mechanism controls the upper squeeze roller 9 to move up and down, so that the distance between the upper squeeze roller 9 and the lower squeeze roller 7 is changed, the paper-making blanket is squeezed and dehydrated when the paper-making blanket passes through the space between the upper squeeze roller 9 and the lower squeeze roller 7, the first hot air disc 14 blows hot air to the upper end face of the paper-making blanket for drying, and the second hot air disc 15 blows hot air to the lower end face of the paper-making blanket for drying, so that uniform drying of the blanket is realized.

The above embodiments are only preferred embodiments of the present utility model, and the scope of the present utility model is not limited thereto, but any insubstantial changes and substitutions made by those skilled in the art on the basis of the present utility model are intended to be within the scope of the present utility model as claimed.

Claims (8)

1. A papermaking felt high-efficient dewatering equipment which characterized in that: including the dehydration box, entry and export have been seted up respectively to dehydration box left and right sides, the export inboard is provided with first backing roll, first backing roll right side is provided with down the squeeze roll, lower squeeze roll top is provided with telescopic machanism, telescopic machanism lower extreme rotation is provided with the squeeze roll, lower squeeze roll right side is provided with the second backing roll, second backing roll right side is provided with the third backing roll that is less than the second backing roll, be provided with the fourth backing roll that is less than the third backing roll between second backing roll and the third backing roll, be provided with first hot-blast dish between second backing roll and the third backing roll, be provided with the second hot-blast dish between third backing roll and the fourth backing roll, the dehydration box is provided with draught fan and wet pipe.

2. A papermaking felt highly efficient dewatering apparatus as set forth in claim 1, wherein: the lower squeeze roll below be provided with upper end open-ended water catch bowl, the water catch bowl is provided with the drain pipe that extends to outside the dehydration tank.

3. A papermaking felt highly effective dewatering apparatus as set forth in claim 2, wherein: the inner wall of the water collecting tank is paved with a foam cushion.

4. A papermaking felt highly efficient dewatering apparatus as set forth in claim 1, wherein: a plurality of electric heating pipes are arranged in the dewatering box.

5. A papermaking felt highly efficient dewatering apparatus as set forth in claim 1, wherein: a temperature sensor is arranged in the dewatering box.

6. A papermaking felt highly efficient dewatering apparatus as set forth in claim 1, wherein: the induced draft fan set up in the up end of dehydration box, the wet pipe of arranging is installed in the lower terminal surface of dehydration box.

7. A papermaking felt highly efficient dewatering apparatus as set forth in claim 1, wherein: the telescopic mechanism comprises a mounting plate, a plurality of spring telescopic rods are vertically arranged at the upper end of the mounting plate, a winch is arranged at the upper end of the dewatering box, and a steel cable connected with the mounting plate is arranged at the winch.

8. A papermaking felt highly efficient dewatering apparatus as set forth in claim 1, wherein: the upper ends of the lower squeeze rollers are lower than the upper ends of the first support roller and the second support roller.

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