CN219486363U

CN219486363U - EPS foaming preheating device

Info

Publication number: CN219486363U
Application number: CN202320666022.6U
Authority: CN
Inventors: 孙兵
Original assignee: Hangzhou Bainuo Electronics Co ltd
Current assignee: Hangzhou Bainuo Electronics Co ltd
Priority date: 2023-03-28
Filing date: 2023-03-28
Publication date: 2023-08-08
Anticipated expiration: 2033-03-28

Abstract

The utility model relates to the technical field of EPS foaming, in particular to an EPS foaming preheating device, which comprises an EPS heating box, an EPS preheating box and an EPS cooling box, wherein a first air pipe is arranged on the EPS cooling box at the connecting end of a second conveying pipe, the first air pipe is connected to the bottom of the EPS heating box, a second air pipe is arranged at the top of the EPS heating box, the second air pipe is connected to one end of the EPS cooling box at the connecting end of a discharging pipe, a circulating fan is arranged on the second air pipe, and the circulating fan conveys air flow of the EPS heating box to the EPS cooling box through the second air pipe. According to the utility model, the EPS foam after heating and foaming is conveyed to the EPS cooling box, the EPS cooling box stays for a certain time, EPS particles needing to be preheated are conveyed to the inside of the EPS preheating box, and then the heat in the EPS cooling box is conveyed to the inside of the EPS preheating box through the circulating fan, so that the EPS particles in the EPS preheating box are preheated, the energy consumption of additional heating is not needed in the process, the waste heat can be recycled, and the energy utilization rate is improved.

Description

EPS foaming preheating device

Technical Field

The utility model relates to the technical field of EPS foaming, in particular to an EPS foaming preheating device.

Background

In the prior art, in order to promote the foaming efficiency of EPS granule, preheat the EPS granule before carrying the EPS granule to the heating cabinet. Preheating is generally performed by a separate preheating device, but this increases power consumption.

Such as Chinese utility model patent: CN202222649159.9, it discloses EPS foaming preprocessing device, including the mounting box, the mounting box inside wall rotates respectively and is connected with first rotation seat and second rotation seat, fixedly connected with compounding frame between first rotation seat and the second rotation seat, the through-hole has been seted up at compounding frame top, it has the baffle to articulate in the through-hole, be equipped with rabbling mechanism in the compounding frame, compounding frame below is equipped with steam heating mechanism. According to the utility model, through the cooperation of the screw rod, the moving plate and the moving box, the moving box reciprocates in the mounting box, so that steam is fully contacted with materials, the materials are preheated, meanwhile, through the cooperation of the belt, the connecting rod and the first rotating seat, the mixing net frame is regulated to rotate, so that the materials in the mixing net frame rotate, and under the cooperation of the first motor, the rotating shaft, the rotating rod and the stirring blades, the materials are fully stirred and mixed, and the foaming processing quality and the processing efficiency are improved.

The independent steam heating mechanism is adopted, so that larger energy consumption is required.

Disclosure of Invention

The utility model aims to solve the technical defects and provides the EPS foaming preheating device which can preheat EPS particles before heating by utilizing heat emitted in the cooling process of the EPS foam after foaming, thereby reducing energy consumption in the foaming process of the EPS foam.

The utility model discloses an EPS foaming preheating device, which comprises an EPS heating box, an EPS preheating box and an EPS cooling box, wherein a feeding pipe is arranged at the upper end of the EPS preheating box, a first feeding pipe is arranged at the bottom of the ESP preheating box, the first feeding pipe is connected with a feeding port of the EPS heating box, a discharging port of the EPS heating box is connected to one end of the EPS cooling box through a second feeding pipe, a discharging pipe is arranged at the other end of the EPS cooling box, a first air pipe is arranged on the EPS cooling box at the connecting end of the second feeding pipe, the first air pipe is connected to the bottom of the EPS preheating box, a second air pipe is arranged at the top of the EPS preheating box, a circulating fan is arranged at one end of the EPS cooling box at the connecting end of the discharging pipe, the circulating fan is used for conveying air flow of the EPS preheating box to the EPS cooling box through the second air pipe, control valves are arranged on the feeding pipe and the discharging pipe, and control valves are arranged at the two ends of the first feeding pipe, the second feeding pipe, the first air pipe and the second air pipe are respectively.

The second air pipe is communicated with the air box, and the air box is provided with an air pressure balance valve.

Two layers of metal mesh plates are arranged at the upper end and the lower end inside the EPS cooling box, a gap exists between the metal mesh plates at the upper layer and the top wall of the EPS cooling box, a gap exists between the metal mesh plates at the lower layer and the bottom wall of the EPS cooling box, the connection part of the second feeding pipe and the discharging pipe is positioned on the EPS cooling box between the two layers of metal mesh plates, the second air pipe is connected on the bottom wall of the EPS cooling box, and the first air pipe is connected on the top wall of the EPS cooling box.

The upper end and the lower end of the EPS preheating box are respectively provided with a metal mesh plate, the metal mesh plates are isolated in the EPS preheating box to form two cavities, the first air pipe is connected in the cavity isolated by the metal mesh plates at the lower end of the EPS preheating box, and the second air pipe is connected in the cavity isolated by the metal mesh plates at the upper end of the EPS preheating box.

According to the EPS foaming preheating device, the EPS foam after heating and foaming is conveyed to the EPS cooling box, the EPS cooling box stays for a certain time, EPS particles needing to be preheated are conveyed to the inside of the EPS preheating box, and then heat in the EPS cooling box is conveyed to the inside of the EPS preheating box through the circulating fan, so that the EPS particles in the EPS preheating box are preheated, extra heating energy is not required in the process, waste heat can be recycled, and the energy utilization rate is improved.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

Detailed Description

In order to further describe the technical means and effects adopted by the present utility model for achieving the intended purpose, the following detailed description will refer to the specific implementation, structure, characteristics and effects according to the present utility model with reference to the accompanying drawings and preferred embodiments.

Example 1:

as shown in fig. 1, the utility model discloses an EPS foaming preheating device, which comprises an EPS heating box 1, an EPS preheating box 2 and an EPS cooling box 3, wherein a feeding pipe 4 is arranged at the upper end of the EPS preheating box 2, a first feeding pipe 5 is arranged at the bottom of the ESP preheating box, the first feeding pipe 5 is connected with a feeding port of the EPS heating box 1, a discharging port of the EPS heating box 1 is connected to one end of the EPS cooling box 3 through a second feeding pipe 6, a discharging pipe 7 is arranged at the other end of the EPS cooling box 3, a first air pipe 9 is arranged on the EPS cooling box 3 at the connecting end of the second feeding pipe 6, the first air pipe 9 is connected to the bottom of the EPS preheating box 2, a second air pipe 8 is arranged at the top of the EPS preheating box 2, a circulating fan 10 is arranged at one end of the EPS cooling box 3 at the connecting end of the discharging pipe 7, the circulating fan 10 conveys air flow of the EPS preheating box 2 to the EPS cooling box 3 through the second air pipe 8, a first feeding pipe 8, a control valve 13 is arranged at the two ends of the second air pipe 8, and a first feeding pipe 13 and a second control valve 13 are arranged at the two ends of the first feeding pipe 8 and the second feeding pipe 13.

During normal operation, a certain amount of EPS particles are heated and foamed in the EPS heating box 1, meanwhile, the EPS foam just foamed in the EPS cooling box 3 is cooled, and a certain amount of EPS particles are preheated in the EPS preheating box 2. The EPS particles in the three boxes are intermittently conveyed in sequence, and all the procedures are completed one by one. During operation, the control valves 13 on the first feed pipe 5, the second feed pipe 6, the feed pipe 4 and the discharge pipe 7 are all closed. And the control valves 13 at the two ends of the first air pipe 9 and the second air pipe 8 are all opened. At this time, the EPS heating tank 1, the EPS preheating tank 2, and the EPS cooling tank 3 are three independent tanks, and no stream of EPS particles inside the EPS heating tank is generated. The air flow is conveyed from the EPS cooling tank 3 to the EPS preheat tank 2 through the circulation fan 10, and is conveyed from the EPS preheat tank 2 to the EPS cooling tank 3. In the circulation process, heat on the EPS foam after foaming is completed can enter EPS particles in the EPS preheating box 2 along with air flow, so that the EPS particles are preheated. The heat transfer process completes the rapid cooling of the expanded EPS foam and also completes the preheating of EPS particles. Waste heat on the EPS foam after foaming is recovered in the preheating process, so that energy waste is reduced, and the preheating energy consumption is reduced.

A buffer bellows 11 is arranged on the second air pipe 8, the second air pipe 8 is communicated with the buffer bellows 11, and an air pressure balance valve 12 is arranged on the buffer bellows 11. The design of the buffer bellows 11 can buffer the air pressure fluctuation in the air flow conveying process in the first air pipe 9 and the second air pipe 8, so that the air flow circulation is more stable. And when the internal air pressure is too low, the air pressure can be supplied through the air pressure balance valve 12, and when the internal air pressure is too high, the air pressure can be discharged through the air pressure balance valve 12. And the air pressure balance valve 12 can control the air pressure in the air box 11 to be kept within a certain range according to the setting.

Two layers of metal mesh plates 14 are arranged at the upper end and the lower end inside the EPS cooling box 3, a gap exists between the metal mesh plates 14 of the upper layer and the top wall of the EPS cooling box 3, a gap exists between the metal mesh plates 14 of the lower layer and the bottom wall of the EPS cooling box 3, the connection part of the second feeding pipe 6 and the discharging pipe 7 is positioned on the EPS cooling box 3 between the two layers of metal mesh plates 14, the second air pipe 8 is connected on the bottom wall of the EPS cooling box 3, and the first air pipe 9 is connected on the top wall of the EPS cooling box 3.

The upper end and the lower end of the EPS preheating box 2 are respectively provided with a metal screen 14, the metal screen 14 is isolated in the EPS preheating box 2 to form two cavities, the first air pipe 9 is connected in the cavity isolated by the metal screen 14 at the lower end of the EPS preheating box 2, and the second air pipe 8 is connected in the cavity isolated by the metal screen 14 at the upper end of the EPS preheating box 2.

The above-mentioned metal mesh board 14's setting can all separate EPS cooling bin 3, EPS preheating bin 2 into three cavity, first tuber pipe 9 is connected at one of them cavity, second tuber pipe 8 is connected at another cavity, and the cavity that deposits EPS granule or foaming back EPS foam is located the middle part, then when air current gets into second tuber pipe 8 or by second tuber pipe 8 entering first tuber pipe 9 from first tuber pipe 9, all need through the cavity that EPS foam or EPS granule are located, can cool down or heat up it, thereby realize heat transfer, accomplish waste heat utilization, preheat the EPS granule, reduce the energy consumption, promote efficiency.

In the description of the present application, it should be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," etc. indicate or are based on the orientation or positional relationship shown in the drawings, merely for convenience of description and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; may be a mechanical connection; can be directly connected or indirectly connected through an intermediate medium, and can be in interaction relationship with two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.

In this application, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, and may also include the first and second features not being in direct contact but being in contact with each other by way of additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

The present utility model is not limited to the preferred embodiments, but is capable of modification and variation in detail, and other modifications and variations can be made by those skilled in the art without departing from the scope of the present utility model.

Claims

1. EPS foaming preheating device, including EPS heating cabinet, characterized by: still include EPS preheating bin, EPS cooler bin, be provided with the inlet pipe in the upper end of EPS preheating bin, be provided with first conveying pipe in the bottom of ESP preheating bin, first conveying pipe is connected with the feed inlet of EPS heater bin, is connected to the one end of EPS cooler bin through the second conveying pipe at the discharge gate of EPS heater bin, sets up the discharging pipe at the other end of EPS cooler bin, is provided with first tuber pipe on the EPS cooler bin of second conveying pipe link, first tuber pipe is connected to the bottom of EPS preheating bin, is provided with the second tuber pipe at the top of EPS preheating bin, the second tuber pipe is connected to the one end of EPS cooler bin of discharging pipe link, is provided with circulating fan on the second tuber pipe, circulating fan carries the air current of EPS preheating bin to the EPS cooler bin through the second tuber pipe, all is provided with the control valve on inlet pipe, discharging pipe, second conveying pipe, first tuber pipe and the both ends of second tuber pipe all are provided with the control valve.

2. An EPS foaming preheating apparatus as claimed in claim 1, characterized in that: the second air pipe is communicated with the air box, and the air box is provided with an air pressure balance valve.

3. An EPS foaming preheating apparatus according to claim 1 or 2, characterized in that: two layers of metal mesh plates are arranged at the upper end and the lower end inside the EPS cooling box, a gap exists between the metal mesh plates at the upper layer and the top wall of the EPS cooling box, a gap exists between the metal mesh plates at the lower layer and the bottom wall of the EPS cooling box, the connection part of the second feeding pipe and the discharging pipe is positioned on the EPS cooling box between the two layers of metal mesh plates, the second air pipe is connected on the bottom wall of the EPS cooling box, and the first air pipe is connected on the top wall of the EPS cooling box.

4. An EPS foaming preheating apparatus according to claim 1 or 2, characterized in that: the upper end and the lower end of the EPS preheating box are respectively provided with a metal mesh plate, the metal mesh plates are isolated in the EPS preheating box to form two cavities, the first air pipe is connected in the cavity isolated by the metal mesh plates at the lower end of the EPS preheating box, and the second air pipe is connected in the cavity isolated by the metal mesh plates at the upper end of the EPS preheating box.