CN207889120U - A kind of thermal finalization of water-soluble polyvinyl alcohol film and conditioning device - Google Patents

Abstract

The utility model is thermal finalization and the conditioning device of a kind of water-soluble polyvinyl alcohol film, device includes thermal finalization babinet and climatic chamber, cooling air unit is set between thermal finalization babinet and climatic chamber, one group or two groups of drying roller tubes are installed in thermal finalization box house, the box house of climatic chamber is provided with one group or two groups of active roll tubes, active roll tube is also to pass through motor, variable-speed motor and the drive of chain or belt are rotated, heating device is installed at top or side inside climatic chamber, ultrasonic intelligent humidifier is additionally provided on the outside of climatic chamber, the atomization mouth of humidifier is connected to by pipeline in climatic chamber, humidity sensor and temperature sensor are set in climatic chamber.The equipment such as drying and shaping, cold front heavy rain, moisture regain are combined together by the utility model, and it is the problem of actual production uses and insufficient that effective solution polyvinyl alcohol film is transformed.

Description

A kind of thermal finalization of water-soluble polyvinyl alcohol film and conditioning device

Technical field

The utility model belongs to the designing for manufacturing technical field of membrane production equipment, specifically a kind of water-soluble poly second Enol film（PVA）Thermal finalization and conditioning device.

Background technology

The production equipment of existing polyvinyl alcohol film is produced by the way of wet method curtain coating substantially, the equipment base used It is steel band or roller in sheet, because polyvinyl alcohol needs the solution for being dissolved into 20-30% concentration in production, when curtain coating produces Wherein a large amount of water evaporation need to be fallen to be allowed to be formed the film with some strength, due to water content its different intensity not yet Together, film low film of intensity when from demoulding on steel band or roller is easily torn in production, thus production in film moisture content It is relatively high, it influences to use as low as rear film to a certain degree is easily emerald green due to film moisture content when arriving subsequent baking operation, therefore is permitted More manufacturing enterprises are produced using the technique of low temperature drying, and film is caused to be easy to adhesion, the sudden and violent serious film transverse and longitudinal of muscle of winding A series of production and the quality problems such as upward performance is uneven.

Current many polyvinyl alcohol film manufacturing enterprises are produced using the technique of low temperature drying, and film is caused to be easy to A series of production and the quality problems such as performance is uneven in adhesion, the sudden and violent serious film transverse and longitudinal of muscle of winding.There is a little enterprise to make With high temperature drying and shaping technique, but among moisture regain technique is not applied to actual production, cause the low film of film moisture content tough Property is poor, and intensity is low, and non-plastic fracture easily occurs, and seriously constrains the use scope of polyvinyl alcohol film.

Invention content

To solve the above-mentioned problems, the utility model provides one kind simple, manufacturing reasonable for structure and is easy, is easy to use Polyvinyl alcohol（PVA）Membrane production equipment.

In order to achieve the above object, the utility model is achieved through the following technical solutions：

The utility model is a kind of thermal finalization of water-soluble polyvinyl alcohol film and conditioning device, device include heat-setting box Body and climatic chamber, are arranged cooling air unit between thermal finalization babinet and climatic chamber, and cooling air unit is arranged in thermal finalization The exit of babinet, thermal finalization baking oven include thermal finalization babinet, and one group or two groups of drying roller tubes are installed in thermal finalization box house, Roller is heated using heat-conducting oil heating mode, and every group of drying roller tube is connected by variable-frequency motor, variable-speed motor and belt, fixed in heat Several guide rollers and first nip rolls is arranged in the inside of molding box body, and the first nip rolls is arranged between two groups of drying roller tubes, The entrance of film is also set up in thermal finalization babinet both sides, exhaust outlet, climatic chamber are provided at the top of thermal finalization babinet Box house be provided with one group or two groups of active roll tubes, active roll tube is also by motor, variable-speed motor and chain or belt Drive is rotated, and heating device is installed in top inside climatic chamber or side, the outside of climatic chamber also It is provided with ultrasonic intelligent humidifier, the atomization mouth of humidifier is connected to by pipeline in climatic chamber, in climatic chamber Interior setting humidity sensor and temperature sensor.

Further improvement of the utility model is：The second exhibition is additionally provided between thermal finalization babinet and climatic chamber Plain-barreled roll.

The utility model has the beneficial effects that：Drying roller tube is heated using steam or circulating heat conduction oil, can will be in film Moisture thoroughly drying while playing the role of thermal finalization to film, the interior molecules knot that film passes through high-temperature shaping rear film Structure tends to homogenize, and film film performance on transverse and longitudinal is almost the same, and film passes through high-temperature shaping rear film self-temperature also Opposite religion is high, and film is cooled to by cooling device in time when going out thermal finalization baking oven again, it is ensured that film internal structure is not being sent out Raw big variation, the film moisture content after high-temperature shaping is low, the more crisp poor toughness of film, and film is also needed by constant temperature at this time Reach requirement after constant humidity cabinet moisture absorption moisture regain, 1-2 group active roll tubes are arranged in climatic chamber, are provided by 1-2 platform variable-frequency motors Power, babinet are equipped with heating with temperature control associated components to achieve the purpose that constant temperature, air humidity adjusting device are additionally provided in babinet, To achieve the purpose that constant humidity.

The equipment such as drying and shaping, cold front heavy rain, moisture regain are combined together by the utility model, and effective solution is transformed Polyvinyl alcohol film of having determined is the problem of actual production uses and insufficient.

The utility model simple, manufacturing reasonable for structure is easy, is easy to use, can be effective by utility model device The appearance in process of production of solution polyvinyl alcohol film film be easy to adhesion, property on the sudden and violent serious film transverse and longitudinal of muscle of winding It can a series of production and the quality problems such as uneven.

Description of the drawings

Fig. 1 is the structural schematic diagram of the utility model.

Specific implementation mode

In order to deepen the understanding to the utility model, the utility model is done further below in conjunction with drawings and examples Detailed description, the embodiment are only used for explaining the utility model, do not constitute and limit to the scope of protection of the utility model.

As shown in Figure 1, the utility model is thermal finalization and the conditioning device of a kind of water-soluble polyvinyl alcohol film, the dress It sets including thermal finalization babinet 1 and climatic chamber 12, is arranged between the thermal finalization babinet 1 and the climatic chamber 12 cold Wind apparatus 6, the cooling air unit 6 are arranged in the exit of the thermal finalization babinet 1, in the film exit of thermal finalization baking oven, Film immediately enters cooling under cold air outlet after baking oven extraction, and the thermal finalization baking oven includes thermal finalization babinet 1, fixed in the heat One group or two groups of drying roller tubes 2 are installed in 1 inside of molding box body, and every group there are two drying roller tube, roller surfaces to pass through frosted or table Face sprays the processing of other adhesives such as Teflon, and roller is heated using heat-conducting oil heating mode, and temperature control is 25-200 DEG C, roller uses the mode of heating of conduction oil, and conduction oil, will through oil circulating pump after recycle oil heating furnace is heated to fixed temperature Deep fat imports among roller, and deep fat enters after roller conducts heat to roller surface through conduction of heat, warm after deep fat heat release Degree reduces, and low temperature deep fat will continue to participate in above-mentioned hot-oil circulation after being back to recycle oil heating stove heat, and cycle will repeatedly So that roller surface locate always and fixed temperature range within, every group of drying roller tube 2 by variable-frequency motor 8, variable-speed motor 9 and Belt 10 connects, and in variable-frequency motor, it is fixed to drying that variable-frequency motor is conducted power by variable-speed motor the power resources of drying roller tube On type roller, it is connected by other modes such as belt or chains between three, the speed of every group of roller is individually controlled with temperature It makes and adjustable, the speed of the motor of frequency conversion is individually controlled by frequency converter, and that realizes speed freely sets adjusting, in the thermal finalization The inside of babinet 1 is arranged several guide rollers 7 and first nip rolls 4, and the setting of the first nip rolls 4 is dried described in two groups Between roller 2, guide roller is mainly disposed to around the film entrance and drying roller tube of babinet, is mainly used for change film and is existed Trend, transition in baking oven and the angle for controlling film and drying roller tube, the first nip rolls be placed on two groups of drying roller tubes it Between to prevent film from generating a large amount of fine wrinkles in two groups of rollers, also set up the entrance of film in 1 both sides of thermal finalization babinet, Its size exported can be adjustable with the width size of film, and the top of the thermal finalization babinet 1 is provided with exhaust outlet 5, arranges Air port is connected with outdoor air exhausting device, and steam in babinet and exhaust gas are discharged in time, and film passes through thermal finalization babinet high temperature Enter constant temperature and humidity device after sizing, cold front heavy rain, constant temperature and humidity device includes climatic chamber, carries out moisture absorption and is balancing, institute The box house for stating climatic chamber 12 is provided with one group or two groups of active roll tubes 11, the active roll tube be also by motor, Variable-speed motor and the drive of chain or belt are rotated, and active roll tube mounting means is transmitted with power and control mode is determined with heat In molding box body drying roller tube it is consistent, heating device, institute are installed in top inside the climatic chamber 12 or side It is quartz heating-pipe or hot water radiation wire to state heating device；It is additionally provided with ultrasonic intelligent in the outside of the climatic chamber 12 The atomization mouth of humidifier, humidifier is connected to by pipeline in the climatic chamber 12, is set in the climatic chamber 12 Humidity sensor and temperature sensor are set, the control of humidity is mainly achieved using a ultrasonic intelligent humidifier, will The atomization mouth of humidifier is connected to by pipeline in babinet, the humidity sensor of humidifier is fitted into babinet, on humidifier After setting humidity, open humidifier when in babinet humidity reach setting value after be automatically stopped heating, the control of temperature mainly has Quartz heating-pipe is formed with automatic temperature controller, and after corresponding temperature is set on temperature controller, heating tube starts certainly Dynamic heating is automatically stopped the inside heating to babinet, using automatic temperature controlling device and electric appliance pair after reaching the temperature of setting Babinet is into trip temperature, humidity regulation, within the scope of can babinet humidity being maintained at a stabilization always, in the constant temperature and humidity Also several deflector rolls and diastole roller are placed in case 12, position and the deflector roll acted on inside drying and shaping device are made with diastole roller With almost the same, the second nip rolls 3 is additionally provided between the thermal finalization babinet 1 and the climatic chamber 12.

Drying roller tube is heated using steam or circulating heat conduction oil, drying while can thoroughly play the moisture in film pair The effect of the thermal finalization of film, film tend to homogenize by the inner molecular structure of high-temperature shaping rear film, and film is in transverse and longitudinal Upward film performance is almost the same, and film is high by the also opposite religion of high-temperature shaping rear film self-temperature, and film goes out thermal finalization again It is cooled in time by cooling device when baking oven, it is ensured that big variation is not occurring for film internal structure, by high-temperature shaping Film moisture content afterwards is low, the more crisp poor toughness of film, and film also needs to reach after climatic chamber moisture absorption gets damp again and make at this time With requiring, 1-2 group active roll tubes are arranged in climatic chamber, and power is provided by 1-2 platform variable-frequency motors, and babinet, which is equipped with, to be heated and temperature control Associated components are additionally provided with air humidity adjusting device, to achieve the purpose that constant humidity to achieve the purpose that constant temperature in babinet.

Claims (2)

1. thermal finalization and the conditioning device of a kind of water-soluble polyvinyl alcohol film, it is characterised in that：Described device includes thermal finalization Babinet（1）And climatic chamber（12）, in the thermal finalization babinet（1）With the climatic chamber（12）Between setting cold wind fill It sets（6）, the cooling air unit（6）It is arranged in the thermal finalization babinet（1）Exit, thermal finalization baking oven includes thermal finalization babinet （1）, in the thermal finalization babinet（1）Inside installation one group or two groups of drying roller tubes（2）, roller added using heat-conducting oil heating mode Heat, every group of drying roller tube（2）Pass through variable-frequency motor（8）, variable-speed motor（9）And belt（10）Connection, in the thermal finalization babinet （1）Inside several guide rollers are set（7）With first nip rolls（4）, first nip rolls（4）Setting is described in two groups Drying roller tube（2）Between, in the thermal finalization babinet（1）Both sides also set up the entrance of film, in the thermal finalization babinet（1） Top be provided with exhaust outlet（5）, the climatic chamber（12）Box house be provided with one group or two groups of active roll tubes （11）, the active roll tube is also to be rotated by motor, variable-speed motor and chain or belt drive, in the constant temperature and humidity Case（12）Heating device is installed at internal top or side, in the climatic chamber（12）Outside be additionally provided with ultrasonic wave The atomization mouth of intelligent humidifier, humidifier is connected to the climatic chamber by pipeline（12）It is interior, in the climatic chamber （12）Interior setting humidity sensor and temperature sensor.

2. a kind of thermal finalization of water-soluble polyvinyl alcohol film and conditioning device according to claim 1, it is characterised in that： The thermal finalization babinet（1）With the climatic chamber（12）Between be additionally provided with the second nip rolls（3）.