CN209854037U - Film material steam cross-linking device - Google Patents

Abstract

The utility model discloses a membrane material steam cross-linking device, which comprises a box body, the box body is provided with a steam generating chamber, a cross-linking reaction chamber and an electric control chamber, a membrane supporting bracket is arranged in the cross-linking reaction chamber, a first inner container and a temperature sensor arranged at the bottom of the first inner container are arranged in the steam generating chamber, a heater used for heating the first inner container is arranged at the bottom of the first inner container, the steam generating chamber and the cross-linking reaction chamber are mutually isolated through a first clapboard, an air supply hole is arranged on the first clapboard, and an air guide fan is arranged at the air supply hole; the electric control chamber is arranged at the bottom of the steam generation chamber and is isolated from the steam generation chamber, a controller is arranged in the electric control chamber, and the heater and the temperature sensor are connected with the controller. The utility model discloses a set up confined box to separate steam generation room and crosslinking reaction chamber in the box, carry the interior circulation flow of crosslinking agent reaction chamber with crosslinking agent steam through the air guide fan, guaranteed that the crosslinking agent is even unanimous to each position membrane material crosslinking degree.

Description

Film material steam cross-linking device

Technical Field

The utility model belongs to the technical field of cross-linking device, concretely relates to membrane material steam cross-linking device.

Background

For membrane materials such as feather keratin membrane, starch membrane, cotton seed protein membrane, feather keratin/PVA nanofiber membrane, cotton seed protein/PVA nanofiber membrane and the like, some cross-linking agents are needed to modify the molecular structures of the membrane materials, the cross-linking agents are used as cross-linking bridges, groups on molecules of the cross-linking agents can react and bond with molecular groups of the membrane materials to form a cross-linking network, and therefore the problems of poor water resistance (high water sensitivity), poor mechanical properties and the like are solved.

The existing film material steam crosslinking device is generally that a hollow support is arranged above a liquid crosslinking agent, a film material sample to be measured is flatly laid on the support, the liquid crosslinking agent is evaporated through electric heating, and the obtained steam and the film material are subjected to crosslinking reaction. For example:

patent document 201110182056.X discloses a preparation method of a steam phase crosslinking chitosan/polyethylene oxide composite membrane, which comprises the following crosslinking steps: fixing the chitosan/polyethylene oxide blend membrane on a frame, placing the frame in a container containing glutaraldehyde, sealing the opening of the container with aluminum foil, heating the container in a water bath at 25 ℃, and steaming for a period of time for crosslinking. In this application, a frame is used to fix the membrane material, and then the cross-linking agent is evaporated by heating in a water bath to cause the cross-linking reaction of the membrane material.

However, such devices have the following problems:

firstly, cross-linking agent steam generated below the membrane material volatilizes to the periphery, which easily causes uneven cross-linking atmosphere and different cross-linking degrees to the membrane material at different parts; secondly, the generated crosslinking agent steam can be condensed and liquefied at the bottom of the membrane material, and the membrane material paved on the bracket is easy to be adhered on the bracket, thereby damaging the membrane material; thirdly, the water bath heating is adopted in the cross-linking device, the temperature is not well controlled, if the temperature is too low, the liquid cross-linking agent can not be effectively evaporated in a limited time, if the temperature is too high, the simultaneous evaporation of water vapor can be avoided, and the water vapor is mixed in the cross-linking agent vapor to influence the cross-linking effect.

Patent document No. 201610666950.7 discloses a silane crosslinked polyethylene is cross-linking device for insulated cable, including insulation can and intercommunication the steam generator of insulation can, be provided with the heat preservation rock wool layer between the outer wall of insulation can and the inner wall, be provided with the opening on the lateral wall of insulation can, be provided with the material door in the opening. The cross-linking device is used for heating and cross-linking a formed cable, the cable cross-linking is a heat cross-linking process essentially, and is different from a liquid cross-linking agent steam cross-linking process adopted in the device essentially, and the steam cross-linking process cannot be accurately controlled.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a membrane material steam cross-linking device, aim at solving the problem that the cross-linking agent steam atmosphere that current steam cross-linking device produced is inhomogeneous, to the membrane material cross-linking degree difference at different positions.

In order to achieve the above object, the utility model provides a membrane material steam cross-linking device, including the box, the box has steam generation room, cross-linking reaction chamber and automatically controlled room, be equipped with in the cross-linking reaction chamber and prop membrane support, be equipped with first inner bag in the steam generation room and locate the temperature-sensing ware of first inner bag bottom, first inner bag bottom is equipped with the heater that is used for heating first inner bag, steam generation room locates one side of the horizontal direction of cross-linking reaction chamber, steam generation room and cross-linking reaction chamber are kept apart each other through first baffle, open the gas feed hole on the first baffle, gas feed hole department is equipped with the air guide fan; the electric control chamber is arranged at the bottom of the steam generation chamber and is isolated from the steam generation chamber, a controller is arranged in the electric control chamber, and the heater and the temperature sensor are connected with the controller.

Preferably, a humidity sensor is arranged in the crosslinking reaction chamber and connected with the controller.

Preferably, a top cover is arranged on the top of the box body in the crosslinking reaction chamber, and the top cover is roof-shaped and has a triangular cross section.

Preferably, the top cover is openable, and the bottom edge of the top cover is provided with a sealing strip.

Preferably, a cross-linking agent filling opening is formed in the top of the steam generating chamber of the box body, a sealing cover is arranged at the cross-linking agent filling opening, and a sealing ring is arranged on the edge of the bottom of the sealing cover.

Preferably, the bottom of the crosslinking reaction chamber is provided with a protective net.

Preferably, the first clapboard is provided with an air return inlet.

Preferably, the heater is a metal heat conducting rod with an end part extending into the first inner container or a heat conducting plate attached to the outer bottom surface of the first inner container.

Compared with the prior art, the utility model discloses technical scheme's beneficial effect:

one, membrane material steam cross-linking device adopts confined box, separate in with the box and be provided with steam generation room and crosslinking reaction chamber, it volatilizes the production cross-linking agent steam to liquid cross-linking agent heating to be equipped with the heater in the steam generation room, it is used for tiling the supporting membrane material to be equipped with the opening support in the crosslinking reaction chamber, set up the air guide fan on the first baffle between steam generation room and the crosslinking reaction chamber, carry cross-linking agent steam through the air guide fan and carry the cross-linking reaction indoor to the modified cross-linking of membrane material, because the setting of air guide fan, make cross-linking agent steam circulate constantly in the crosslinking reaction chamber, cross-linking agent content is even in the cross-linking agent crosslinking environment has been guaranteed, the realization is all realized better cross-linking modification to the different positions of membrane material, the big problem of each position.

Two, the utility model discloses be equipped with the temperature that the temperature-sensing ware is used for detecting the indoor liquid cross-linking agent of steam generation, set up the signal that the controller is used for receiving the temperature-sensing ware, control the operating condition of heater according to the temperature of liquid cross-linking agent, guarantee that the liquid cross-linking agent heats at certain temperature within range and volatilize, produce stable cross-linking agent steam to further guarantee the stability of cross-linking agent concentration in the membrane material cross-linking steam atmosphere, guarantee the cross-linking degree, still make whole cross-linking process controllable.

Thirdly, the top setting of crosslinking reaction chamber can be opened the top cap, and the top cap sets up the sloping house type for on the liquid drop that crosslinking agent steam probably condensed the liquefaction and produce at the in-process that rises can not drip the membrane material, prevented that the membrane material from being damaged.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a structural diagram of a steam cross-linking apparatus for film materials according to an embodiment of the present invention;

fig. 2 is a control flow chart of a film material steam crosslinking apparatus according to an embodiment of the present invention;

FIG. 3 is a control flow chart of a steam cross-linking apparatus for film materials according to another embodiment of the present invention;

FIG. 4 is a control schematic diagram of the steam crosslinking device for the membrane material proposed in FIG. 1.

The reference numbers of the utility model explain:

reference numerals	Name (R)	Reference numerals	Name (R)
				1	Steam generating chamber	8	Air supply hole
2	Cross-linking reaction chamber	9	Air-guiding fan
				3	Electric control room	10	Return air inlet
4	Heating device	11	Humidity sensor
				5	Temperature sensor	12	Top cover
6	Film supporting bracket	13	Protective net
				7	First partition board

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In addition, the technical solutions between the embodiments of the present invention can be combined with each other, but it is necessary to be able to be realized by a person having ordinary skill in the art as a basis, and when the technical solutions are contradictory or cannot be realized, the combination of such technical solutions should be considered to be absent, and is not within the protection scope of the present invention.

The utility model provides a membrane material steam cross-linking device.

Referring to fig. 1 to 4, a steam cross-linking device for membrane materials comprises a box body, wherein the box body is provided with a steam generating chamber 1, a cross-linking reaction chamber 2 and an electric control chamber 3, a membrane supporting bracket 6 is arranged in the cross-linking reaction chamber 2, a first inner container and a temperature sensor 5 arranged at the bottom of the first inner container are arranged in the steam generating chamber 1, a heater 4 used for heating the first inner container is arranged at the bottom of the first inner container, the steam generating chamber 1 is arranged at one side of the cross-linking reaction chamber 2 in the horizontal direction, the steam generating chamber 1 and the cross-linking reaction chamber 2 are mutually isolated through a first partition plate 7, an air supply hole 8 is formed in the first partition plate 7, and an air guide fan 9 is arranged at the air supply hole 8; the electric control chamber 3 is arranged at the bottom of the steam generating chamber 1 and is isolated from the steam generating chamber 1, a controller is arranged in the electric control chamber 3, and the heater 4 and the temperature sensor 5 are connected with the controller.

The utility model discloses when carrying out the cross-linking modification to the membrane material among the prior art, the inhomogeneous problem that easily leads to the different and not reaching of modified cross-linking degree in each position of membrane material of cross-linking agent steam atmosphere, designed a membrane material steam cross-linking device, the box is provided with the steam generation room 1 that is used for producing cross-linking agent steam and the cross-linking reaction chamber 2 that is used for placing the membrane material, still is equipped with automatically controlled room 3 and holds each electronic parts that uses in the control cross-linking process. Firstly, the utility model, through the closed box body, accommodates the first inner container (not shown) for containing the liquid cross-linking agent and the film supporting bracket 6 for laying and placing the film material, so that the cross-linking agent steam generated by heating and volatilizing the liquid cross-linking agent by the heater 4 is not diffused all around, but is concentrated in the box body to form an integral steam atmosphere; secondly, the utility model discloses a first baffle 7 separates setting with steam generation room 1 and crosslinking reaction chamber 2, cross-linking agent steam is formed in steam generation room 1 earlier, in the cross-linking reaction chamber 2 is carried to rethread air guide fan 9, make and to form relatively even cross-linking agent steam stream, make cross-linking agent steam circulate in crosslinking reaction chamber 2, it is even more to guarantee the interior atmosphere of crosslinking reaction chamber, thereby improve the problem that the membrane material degree of crosslinking is different not in place, make each position of waiting to crosslink membrane material react uniformly, improve experimental accuracy; it is three, the utility model discloses cross-linking agent steam is from one side transport entering of cross-linking reaction chamber 2's horizontal direction, and not traditional direct bottom circulation that makes progress from the membrane material, the high temperature cross-linking agent steam of just volatilizing the production if direct rising at once from the bottom contacts with the membrane material, condensation phenomenon appears easily, on the liquefaction adheres to the support again on the membrane material surface, destroys the membrane material, consequently the utility model discloses leading-in through air guide fan 9 with cross-linking agent steam from one side of membrane material, the continuous convection current of air current in steam generation room 1 and the cross-linking reaction chamber 2, hot cross-linking agent steam constantly supplyes in the cross-linking reaction chamber 2 for cross-linking agent steam evenly fills in the cross-linking reaction chamber 2, has reduced condensation phenomenon's emergence effectively, has also guaranteed that cross-linking agent steam atmosphere is more even better.

And, the utility model discloses still set up temperature-sensing ware 5 and detect the temperature of liquid cross-linking agent, be connected with temperature-sensing ware 5 and heater 4 through the controller, the operating condition of temperature automatic control heater 4 that detects according to temperature-sensing ware 5, thereby guarantee that liquid cross-linking agent is in a stable heating temperature, for example, the temperature of control liquid cross-linking agent is boiling temperature, it is very fast to make steam production, it is more to produce the steam volume, thereby guaranteed that sufficient steam gets into 2 inner loop circulations in crosslinking reaction chamber, it is controllable to the interior crosslinking process of box to have realized through temperature-sensing ware 5 and controller. In addition, through controller control liquid cross-linking agent in certain temperature range, can also guarantee that the temperature is no longer than alert temperature like boiling temperature, can prevent that liquid cross-linking agent from bumping, lead to the atmospheric pressure in the twinkling of an eye to rise by a wide margin to guarantee the security in the box.

Further, the heater 4 is a metal heat conducting rod with an end part extending into the first inner container or a heat conducting plate attached to the outer bottom surface of the first inner container.

Specifically, in this embodiment, the controller may be a constant temperature controller for maintaining the temperature of the main body at a certain point or a certain temperature range, the heater 4 may be a metal heat conducting rod, the temperature sensor 5 may be a sensor such as an armored wire protection integrated temperature sensor (S08Pt100-200-X-3113/C01K600), the metal heat conducting rod and a temperature sensing probe of the temperature sensor 5 extend into a groove-shaped inner container for containing the liquid cross-linking agent, the temperature sensor 5 is immersed in the liquid cross-linking agent, and when the temperature of the liquid cross-linking agent is not in the set temperature range, the heater is controlled to stop heating or restart heating accordingly. It should be understood that, in some other embodiments, the heater 4 may also use a heat conducting plate such as a ceramic heating plate to heat the bottom of the first liner, as long as the heating of the liquid cross-linking agent can be achieved, and the heating is not limited herein.

Further, a humidity sensor 11 is arranged in the crosslinking reaction chamber 2, and the humidity sensor 11 is connected with the controller.

Specifically, in the present embodiment, a humidity sensor 11 is disposed in the crosslinking reaction chamber 2 to detect humidity, and the amount of steam of the crosslinking agent steam can be represented to a certain extent through the detection of humidity, if the humidity in the crosslinking reaction chamber 2 is greater than or equal to a preset humidity, it is proved that the amount of steam in the crosslinking reaction chamber 2 is sufficient, that is, the heater 4 is controlled to stop heating, and when the humidity in the crosslinking reaction chamber 2 is lower than the preset humidity, the heater 4 is controlled to continue heating, so that the controllability of the amount of steam of the concentration of the crosslinking agent steam is further increased.

Further, a top cover 12 is arranged on the top of the cross-linking reaction chamber 2 of the box body, and the top cover 12 is roof-shaped and has a triangular cross section.

Specifically in this embodiment, the box main part is the cuboid form, the whole 304 stainless steel materials that adopt of box make, first inner bag also adopts the stainless steel to make, steam generation room 1 and crosslinking reaction chamber 2 are the cuboid form, 2 open-tops in crosslinking reaction chamber, just with the bottom edge size adaptation of top cap 12, top cap 12 lid is established at crosslinking reaction chamber 2 tops, top cap 12 tops are equipped with the handle that is used for opening, design top cap 12 for the pitched roof type, can play the effect of antidrip, when cross-linking agent steam rises to top cap 12 position, if the liquid drop that the condensation liquefaction produced can not directly fall on the membrane material of below, but can flow down along the interior surface of pitched roof type internal slope, thereby prevent to damage the membrane material sample.

Further, the top cover 12 is openable, and a bottom edge of the top cover 12 is provided with a sealing strip.

The sealing strip can play the inclosed effect of heat preservation, effectively prevents that cross-linking agent steam in the crosslinking reaction chamber 2 from revealing and influencing experimenter's health to effectively maintain the steam volume of cross-linking agent steam.

Furthermore, a cross-linking agent filling opening is formed in the top of the steam generating chamber of the box body, a sealing cover is arranged at the cross-linking agent filling opening, and a sealing ring is arranged on the edge of the bottom of the sealing cover.

Further, the bottom of the crosslinking reaction chamber 2 is provided with a protective net 13.

Protection network 13 is bottom in order to prevent that the membrane material defective products from directly dropping in cross-linking reaction chamber 2, and the bottom adopts the stainless steel inner bag to make usually in cross-linking reaction chamber 2, if directly dropping in the bottom, can attach on the inner bag, and be not convenient for clean, and through setting up detachable protection network 13, made things convenient for the experimenter to clean in the box.

Further, an air return opening 10 is arranged on the first partition plate 7.

The air return opening 10 is used for ensuring the pressure balance of the steam generating chamber 1 at one side and the crosslinking reaction chamber 2 at the other side in the whole box body. In other embodiments, in order to further ensure the safety of the pressure in the box body, a pressure sensor can be arranged in the steam generating chamber 1, the pressure in the steam generating chamber 1 is monitored through a controller, when the pressure is increased to an alarm pressure, the heater 4 is controlled to stop heating continuously, and the heating is restarted after the pressure is reduced to a certain degree.

Preferably, the number of the air guide fans 9 is three to five, and the air guide fans 9 are preferably arranged at the same level with the membrane supporting brackets 6, so that the cross-linking agent steam can better and faster volatilize to the position of the membrane material to perform cross-linking reaction with the membrane material when entering the cross-linking reaction chamber.

The utility model discloses a control method of membrane material steam cross-linking device, including following step:

s1, setting controller parameters, wherein the controller parameters comprise: a target temperature T1 of the liquid cross-linking agent and a maximum temperature T2 of the liquid cross-linking agent in the vapor generation chamber;

s2, starting a heater and an air guide fan, gradually volatilizing the liquid cross-linking agent along with the temperature rise of the liquid cross-linking agent in the steam generation chamber to generate cross-linking agent steam, and sending the generated cross-linking agent steam into the cross-linking reaction chamber by the air guide fan;

s3, detecting the current temperature T3 of the liquid cross-linking agent in the steam generating chamber in real time through a temperature sensor, controlling the heater to stop heating when the current temperature T3 of the liquid cross-linking agent is higher than the maximum temperature T2 of the liquid cross-linking agent, and controlling the heater to restart heating when the current temperature T3 of the liquid cross-linking agent is lower than the target temperature T1 of the liquid cross-linking agent.

The target temperature T1 of the liquid crosslinking agent is the lowest temperature at which the liquid crosslinking agent volatilizes, and may be set to, for example, the boiling point temperature of the liquid crosslinking agent, and the maximum temperature T2 of the liquid crosslinking agent is the maximum temperature at which the liquid crosslinking agent is heated, thereby ensuring that the temperature of the liquid crosslinking agent is within a certain range. Membrane material steam cross-linking device still is provided with control panel, and control panel is equipped with parameter adjustment button, adjusts the controller parameter through control panel, makes the utility model discloses can set up control parameter according to the physical characteristic of different cross-linking agents, build better steam cross-linking environment from this, realize automatic temperature control, improve the accuracy of experiment.

Further, the controller parameters further include: the steam target humidity W1 in the crosslinking reaction chamber, and the control method of the film material steam crosslinking device can also comprise the following steps:

s4, in the step S3, the current humidity W2 of the steam in the crosslinking reaction chamber is detected by a humidity sensor disposed in the crosslinking reaction chamber, when the heater is in a heating state, if the current humidity W2 of the steam is detected to be greater than or equal to the target humidity W1 of the steam, the heater is controlled to stop heating, and if the current humidity W2 of the steam is detected to be lower than the target humidity W1 of the steam, the heater is controlled to resume heating.

When the controller performs corresponding control according to the temperature parameter in the liquid cross-linking agent and the humidity parameter in the cross-linking reaction chamber, the temperature parameter has the highest priority, namely the temperature plays a leading role. But the humidity of the cross-linking agent steam in the cross-linking reaction chamber is detected by the humidity sensor, so that the control of the content of the cross-linking agent around the film material in the cross-linking process can be further improved, and the experimental effect is further improved.

The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.

Claims (8)

1. A steam crosslinking device for membrane materials is characterized by comprising a box body, wherein the box body is provided with a steam generating chamber, a crosslinking reaction chamber and an electric control chamber,

the steam generating chamber is arranged at one side of the cross-linking reaction chamber in the horizontal direction, the steam generating chamber and the cross-linking reaction chamber are mutually isolated by a first partition plate, the first partition plate is provided with a gas supply hole, and the gas supply hole is provided with a gas guide fan;

the electric control chamber is arranged at the bottom of the steam generation chamber and is isolated from the steam generation chamber, a controller is arranged in the electric control chamber, and the heater and the temperature sensor are connected with the controller.

2. The vapor crosslinking apparatus for membrane material of claim 1, wherein a humidity sensor is disposed in the crosslinking reaction chamber, and the humidity sensor is connected to the controller.

3. The vapor-crosslinking apparatus for a membrane material as claimed in claim 1, wherein a top cover is provided on the top of the tank body in the crosslinking reaction chamber, the top cover being roof-shaped and having a triangular cross section.

4. The vapor crosslinking apparatus for film material of claim 3, wherein the top cover is openable, and a bottom edge of the top cover is provided with a sealing strip.

5. The steam cross-linking device for membrane materials as claimed in claim 1, wherein the box body is provided with a cross-linking agent filling opening at the top of the steam generating chamber, the cross-linking agent filling opening is provided with a sealing cover, and the bottom edge of the sealing cover is provided with a sealing ring.

6. The steam crosslinking apparatus for membrane materials as claimed in claim 1, wherein the bottom of the crosslinking reaction chamber is provided with a protective net.

7. The vapor-crosslinking apparatus for a membrane material of claim 1, wherein the first partition is provided with a return air vent.

8. The vapor-crosslinking device for membrane materials of claim 1, wherein the heater is a metal heat-conducting rod with an end portion extending into the first inner container or a heat-conducting plate attached to the outer bottom surface of the first inner container.