CN215095134U - Polystyrene resin bead foaming device - Google Patents

Abstract

The utility model discloses a polystyrene resin bead foaming device, including the heat preservation foaming bucket, arrange the agitating unit in the heat preservation foaming bucket in, install feeder hopper and lower glassware in heat preservation foaming bucket both sides to and be located the steam air inlet unit of heat preservation foaming bottom of the barrel portion, the steam layer is located the bottommost layer of heat preservation foaming bucket, sets up evenly distributed's a plurality of inlet ports of group on the roof on steam layer, agitating unit is in it covers the part inlet port along with agitating unit pivoted sunshade layer ability to be equipped with the one deck on the roof upper surface on steam layer. The device improves the integral temperature uniformity of the heat-preservation foaming barrel, keeps the continuous and uniform air inlet of the whole bottom, ensures the uniform and uniform temperature in the whole heat-preservation foaming barrel and improves the uniformity of the integral foaming quality; the problem of comdenstion water backward flow is solved, all have catchment recovery structure from bottom and top, has ensured the foaming quality, finally improves homogeneity and standard reaching rate to more than 96%, reduces the rate of unqualified foaming, further reduction in production cost.

Description

Polystyrene resin bead foaming device

Technical Field

The utility model relates to an expanded polystyrene foam particle's production facility field specifically is polystyrene resin bead foaming device.

Background

The polystyrene particles are all called EPS expanded polystyrene foam particles, also called expanded polystyrene particles. The material is prepared by using EPS expandable polystyrene resin beads as a basic raw material through expansion steam expansion. The excellent heat preservation performance of the polyphenyl granules is widely applied to the heat preservation fields of polyphenyl granule heat preservation mortar, homogeneous fireproof heat preservation plates, polymer heat preservation plates, polyphenyl granule light partition boards, pouring of solid walls of light steel villas, EPS foam boards, polyphenyl plate graphite plates, real gold plates and the like.

The principle of foaming device is in adding the foaming machine with expandable polystyrene resin bead, through steam heating, makes expandable polystyrene resin bead be heated foaming, and the bead after the foaming still is the ball shape, but the volume increases 20-150 times, and steam is generated heat and is foamed and have two kinds of modes of continuous foaming and intermittent type formula foaming, the utility model discloses it is the improvement of the processing equipment of continuous foaming. The general problem of current continuous type foaming machine, the size unity after the polystyrene granule foaming is not ideal enough, always mingles with the granule of 7 ~ 14% insufficient foaming and excessive foaming, and wherein the quantity that the insufficient foaming accounts for than great, sees the waste that causes the cost for a long time, and how to improve the homogeneity of foaming, improves the foaming machine quality, is the utility model discloses an invention purpose.

SUMMERY OF THE UTILITY MODEL

In order to solve the defects and shortcomings of the prior art, the inventor provides a continuous foaming device with higher uniform foaming rate through research, development and improvement, and can control the foaming efficiency and uniformity to the most suitable degree, thereby ensuring the foaming quality. Specifically, the utility model discloses a realize like this:

polystyrene resin bead foaming device, including heat preservation foaming bucket, arrange the agitating unit in the heat preservation foaming bucket in, install feeder hopper and the glassware down in heat preservation foaming bucket both sides to and be located the steam air inlet unit of heat preservation foaming bucket bottom, steam air inlet unit includes the intake pipe, and in the steam layer of bottom was arranged in to the intake pipe, the steam layer is located heat preservation foaming bucket's bottommost layer, and steam supply is connected to the one end of intake pipe, and compressed air supplies with to the other end connection, set up a plurality of groups's of evenly distributed inlet port on the roof on steam layer, agitating unit is in be equipped with the one deck on the roof upper surface on steam layer along with agitating unit pivoted sunshade layer, the sunshade layer includes the sunshade of at least a slice fan-shaped lobate, and the sunshade can cover part inlet port.

Further, temperature sensor is all installed to bottom lateral wall, middle part lateral wall, the top lateral wall of heat preservation foaming bucket, and temperature sensor is connected to on the external controller of switch board, steam is supplied with and the compressed air is supplied with, all installs flow adjustable electric control device, electric control device is connected to the controller.

Furthermore, a conical water receiving disc which is sunken downwards towards the center is arranged on the top of the heat-preservation foaming barrel along a main shaft of the stirring device, a top cover of the heat-preservation foaming barrel is arranged above the top end of the main shaft, a bearing part for mounting the top end of the main shaft is arranged in the middle of the top cover, the main shaft penetrates through the center of the conical water receiving disc, and the conical water receiving disc is mounted below the top cover in a hanging manner.

Further, the bottom of the feeder is connected to the shielding plate layer through a screw feeder, and the aperture of the air inlet is smaller than the particle size of the polystyrene resin beads.

Further, agitating unit includes from a plurality of groups puddler of supreme distribution down, and every group puddler all is provided with moves the puddler and decides the puddler, and wherein, the puddler that is located the bottommost sets up on the sunshade, and the cross-section is the bellied domatic shape in middle part.

The utility model discloses a theory of operation introduces: the utility model is provided with a steam layer structure which is communicated with an air inlet pipe of steam, the steam enters the steam layer and then enters the heat-insulating foaming barrel through the air inlet hole, a shielding plate layer which rotates together with the stirring device is arranged above the top surface of the steam layer, at least one shielding plate or a plurality of shielding plates rotate on the top layer of the steam layer which is fully covered with the air inlet hole, and the shielding plate or the shielding plates shield and open partial air inlet holes in sequence along with the rotation, on one hand, the steam can rapidly and sequentially enter the heat-insulating foaming barrel from each region of the bottom surface of the heat-insulating foaming barrel, thereby avoiding the problem that only a few regions can realize concentrated air inlet under the common condition of the traditional heat-insulating foaming barrel, improving the air inlet uniformity of the whole heat-insulating foaming barrel, ensuring the relative stable local temperature of the whole heat-insulating foaming barrel, improving the temperature uniformity in the foaming process, on the other hand, the rotation of the shielding plates can drive the foaming particles which are firstly contacted with the steam to rotate rapidly, the instantaneous heating uniformity rate of the bottommost layer of feeding particles is improved. And multistage formula's temperature sensor, the temperature change information of three local position about can real time monitoring foaming in-process whole heat preservation foaming barrel, in case a certain temperature sensor changes unusually, can in time feedback controller report to the police or shut down, also can carry out real time monitoring to the foaming temperature, on the other hand, also can realize the accurate control to the temperature, based on real time temperature, when needing to adjust, can be adjusted or adjust each other by the benefit inflow of controller control compressed air or the benefit inflow of steam, the cooperation realizes quick temperature adjustment. The intermediate layer that sets up at heat preservation foaming bucket top is to the sunken toper water collector in center, can play the recovery of top condensate water and collect the processing, realizes that the comdenstion water is collected, has avoided the top condensate water whereabouts to contact with the polystyrene granule of foaming in-process, reduces its local temperature and influences the problem of foaming success, has further promoted the stability of foaming in-process granule.

The utility model has the advantages that: the integral temperature uniformity of the heat-preservation foaming barrel is improved, the continuous and uniform air inlet of the whole bottom is kept, the phenomenon that the air inlet amount of the middle part generated by a single air inlet pipe on the traditional foaming machine is higher than the air inlet amount of the end heads at two ends is avoided, the temperature in the whole heat-preservation foaming barrel is ensured to be uniform, and the uniformity of the integral foaming quality is improved; the problem of comdenstion water backward flow is solved, all have catchment recovery structure from bottom and top, has ensured the foaming quality, finally improves homogeneity and standard reaching rate to more than 96%, has reduced the rate of unqualified foaming, further reduction in production cost.

Drawings

FIG. 1 is a schematic view showing the structure of an apparatus for foaming polystyrene resin beads;

FIG. 2 is a top view of the vapor layer and shutter structure;

fig. 3 is a perspective view of the structure of the shutter.

Wherein: 11 heat-preservation foaming barrels, 12 stirring devices, 13 feed hoppers, 14 blanking devices, 15 air inlet pipes, 16 steam layers, 17 air inlet holes, 18 shielding plates, 19 main shafts, 110 conical water receiving discs, 111 top covers, 12 bearing parts and 130 stirring rods.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

Example 1: polystyrene resin bead foaming device, including heat preservation foaming bucket 11, arrange agitating unit 12 in heat preservation foaming bucket 11 in, install feeder hopper 13 and lower glassware 14 at heat preservation foaming bucket 11 both sides to and be located the steam air inlet unit of heat preservation foaming bucket 11 bottom, steam air inlet unit includes intake pipe 15, and intake pipe 15 is arranged in the steam layer 16 of bottom in, and steam layer 16 is located heat preservation foaming bucket 11's bottom, and steam supply is connected to the one end of intake pipe 15, and compressed air supplies to the other end connection, set up evenly distributed's a plurality of groups inlet port 17 on the roof of steam layer 16, agitating unit 12 is in be equipped with the one deck along with agitating unit 12 pivoted sunshade 18 layer on the roof upper surface of steam layer 16, sunshade 18 layer includes the sunshade 18 of at least a slice fan-shaped lobate, and sunshade 18 can cover part inlet port 17. The shielding plate 18 is generally distributed in a symmetrical double-blade type or a three-blade type or a four-blade type, the specific distribution and size setting can be set according to the mixing rotating speed to set the proportion relation between the shielding plate 18 and the chassis area, the steam is collected in the steam layer 16, the air inflow quantity of the air inlet holes 17 which are not shielded by the shielding plate 18 is kept equal to the steam supply quantity, the main shaft 19 of the stirring device 12 penetrates through the steam layer 16 and extends to the inside of the heat-preservation foaming barrel 11, the stirring rod is driven to rotate, the polystyrene foaming particles are mixed and scattered, and the polystyrene foaming particles are prevented from being adhered to each other. Steam gradually enters the heat-insulating foaming barrel 11 around the bottom plate, and isothermal hot steam is uniformly supplied to the foaming particles in each area in the heat-insulating foaming barrel 11, so that the overall heated foaming quality is improved.

Preferably, temperature sensor is all installed to bottom lateral wall, middle part lateral wall, the top lateral wall of heat preservation foaming bucket 11, and temperature sensor is connected to the external controller of switch board on, steam is supplied with and the compressed air is supplied with, all installs flow adjustable's electrical control device, electrical control device is connected to the controller. Can the temperature change information of whole heat preservation foaming bucket 11 upper and middle and lower three local position of real time monitoring foaming in-process, in case a certain temperature sensor changes unusually, can in time feedback controller report to the police or shut down, also can carry out real time monitoring to the foaming temperature, on the other hand, also can realize the accurate control to the temperature, based on real-time temperature, when needing to adjust, can be adjusted or adjust each other by controller control compressed air's the benefit flow or the benefit flow of steam, the quick temperature adjustment is realized in the cooperation.

Preferably, a conical water pan 110 which is recessed downwards towards the center is arranged on the top of the heat-preservation foaming barrel 11 along the main shaft 19 of the stirring device 12, a top cover 111 of the heat-preservation foaming barrel 11 is arranged above the top end of the main shaft 19, a bearing part 112 for mounting the top end of the main shaft 19 is arranged in the middle of the top cover 111, the main shaft 19 penetrates through the center of the conical water pan 110, and the conical water pan 110 is suspended and mounted below the top cover 111. The bottom of the downer 14 is connected to the layer of the louver 18 by a screw feeder, and the diameter of the air inlet holes 17 is smaller than the particle size of the polystyrene resin beads. Agitating unit 12 includes from a plurality of groups puddler 130 of supreme distribution down, and every group puddler 130 all is provided with moves the puddler and decides the puddler, and wherein, the puddler 130 that is located the bottommost sets up on sunshade 18, and the cross-section is the bellied domatic shape in middle part. The structure can form upward movement acting force on the particles in the feeding area, vacates feeding space for the bead materials newly entering the foaming barrel, and simultaneously jacks up the polystyrene particles gradually foamed above to realize continuous feeding and continuous foaming.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims (5)

1. Polystyrene resin bead foaming device, including heat preservation foaming bucket (11), arrange agitating unit (12) in heat preservation foaming bucket (11) in, install feeder hopper (13) and lower glassware (14) in heat preservation foaming bucket (11) both sides to and be located the steam air inlet unit of heat preservation foaming bucket (11) bottom, its characterized in that, steam air inlet unit includes intake pipe (15), and intake pipe (15) are arranged in the steam layer (16) of bottom in, and steam layer (16) are located the bottommost of heat preservation foaming bucket (11), and the steam is supplied with to the one end connection of intake pipe (15), and the compressed air is supplied with to the other end connection, set up a plurality of groups of inlet port (17) of evenly distributed on the roof of steam layer (16), agitating unit (12) are equipped with one deck and follow agitating unit (12) pivoted sunshade (18) layer on the roof upper surface of steam layer (16), the shield (18) layer comprises at least one fan-shaped leaf-shaped shield (18), and the shield (18) can cover part of the air inlet holes (17).

2. The polystyrene resin bead foaming device according to claim 1, wherein the bottom side wall, the middle side wall and the top side wall of the heat-insulating foaming barrel (11) are respectively provided with a temperature sensor, the temperature sensors are connected to a controller of an external control cabinet, the steam supply and the compressed air supply are respectively provided with an electric control device with adjustable flow rate, and the electric control device is connected to the controller.

3. The polystyrene resin bead foaming device according to claim 2, wherein a conical water receiving tray (110) which is recessed downwards towards the center is arranged at the top of the heat-insulating foaming barrel (11) along a main shaft (19) of the stirring device (12), a top cover (111) of the heat-insulating foaming barrel (11) is arranged above the top end of the main shaft (19), a bearing part (112) for mounting the top end of the main shaft (19) is arranged in the middle of the top cover (111), the main shaft (19) penetrates through the center of the conical water receiving tray (110), and the conical water receiving tray (110) is mounted below the top cover (111) in a hanging manner.

4. The polystyrene resin bead foaming device according to claim 1, wherein the bottom of the downer (14) is connected to the layer of the shielding plate (18) by a screw feeder, and the hole diameter of the air inlet hole (17) is smaller than the particle diameter of the polystyrene resin beads.

5. The polystyrene resin bead foaming device according to claim 1, wherein the stirring device (12) comprises a plurality of groups of stirring rods (130) distributed from bottom to top, each group of stirring rods (130) is provided with a movable stirring rod and a fixed stirring rod, wherein the stirring rod (130) at the bottommost is arranged on the shielding plate (18) and has a cross section in the shape of a slope with a convex middle part.

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