CN200982805Y

CN200982805Y - Heat recovering apparatus

Info

Publication number: CN200982805Y
Application number: CNU2006200677130U
Authority: CN
Inventors: 吴一夫
Original assignee: 吴一夫
Current assignee: Shini Electric Heating Machinery Co., Ltd.
Priority date: 2006-11-15
Filing date: 2006-11-15
Publication date: 2007-11-28
Anticipated expiration: 2016-11-15

Abstract

Disclosed is a heat-reclaiming device arranged on a drier, comprising an exhaust duct, a filter, a warm-air pipe and a fan. The heat-reclaiming device and the drier form an enclosed circulating system. A dehumidification port is opened on the exhaust duct to balance the internal and external pressure in the warm-air circulating system so as to keep enough air in the fan to ingress into the drier. The heat-reclaiming device not only fully utilizes heat energy and effectively saves energy but also solves the problem of environmental pollution brought by direct discharging of warm-air with plenty of dust. Meanwhile, an appropriate technological condition can be selected via controller according to the property of various materials, realizing intellectual operation and improving production efficiency and the products quality. A plenty of dust can be deposited when warm-air passes through the filter, and after multiple circulations, realizing the effect of fully purifying materials.

Description

Heat reclaim unit

Technical field

The utility model relates to heat reclaim unit, refers to a kind of heat reclaim unit that is applicable to plastic dryer especially.

Background technology

Existing plastic pellet in order to make the moisture in the plastics remove as much as possible, is avoided aqueous vapor residual in the plastic products of moulding to form bubble, and is influenced the quality of plastic product after preparation is finished, and all needs the program through one dry oven dry.And mostly traditional drying machine is externally to be provided with the windmill of heating, utilizing it that hot blast is constantly advertised enters in the drying machine, plastic pellet in the drying machine is carried out drying, dehumidifying and oven dry, mostly traditional drying machine is to utilize the air of room temperature to heat, and the efficiency of heating surface is low, and energy loss is big, simultaneously, because the plastics that are heated produce various poisonous gases are full of whole workshop even have been disposed to the external world, not only environment has been caused pollution, also greatly endangered the healthy of people.

In order to address the above problem, provide that a kind of energy consumption is low, the efficiency of heating surface is high and free of contamination heat reclaim unit is very necessary with the shortcoming that overcomes prior art.

Summary of the invention

Based on the deficiencies in the prior art, main purpose of the present utility model is to provide that a kind of energy consumption is low, the efficiency of heating surface is high and free of contamination heat reclaim unit.

In order to achieve the above object, the utility model provides a kind of heat reclaim unit, is installed on the drying machine, comprises exhaust duct, warm-air pipe and the blower fan that both are connected, and exhaust duct, blower fan, warm-air pipe and drying machine are formed the circulatory system of sealing.

In the preferred embodiment of the present utility model, further be provided with filter between described blower fan and the exhaust duct, fully filter the dust in the hot blast, reach the purpose that purifies material.

Also offer weep hole on the described exhaust duct,, keep having enough air quantity to enter in the drier in the blower fan with inner and outer air pressure in the balance hot air circulating system.

Further be provided with controller between described blower fan and the drying machine, wherein be built-in with central processor CPU, be equipped with LED display outward, can be provided with humidity and temperature measuring equipment in the drying machine, blower fan is provided with speed setting unit, and the CPU in the controller electrically connects with the humidity/temperature measuring equipment of drying machine and the speed setting unit of blower fan respectively.

Described filter comprises filter cylinder and is built in wherein filter screen and fixture, by fixture filter screen is fixed in the filter cylinder; Described fixture comprises screw rod, the nut of phase riveted and the friction top that is arranged on filter screen one side with it, and screw rod runs through nut and friction top, promotes friction top with the side compression of filter screen to filter cylinder by nut spinning in and out on screw rod.

Compared with prior art, the utility model heat reclaim unit is applicable in the various drying systems, the circulatory system with drying machine composition closed reflux, not only made full use of heat energy, saved the energy effectively, and, solved the hot gas that has a large amount of dust and directly discharged the environmental pollution problems of bringing to the external world.Simultaneously, can also select suitable process conditions by controller, reach the purpose of intellectualized operation, improve the quality of production efficiency and product according to the characteristic of various materials.Hot blast can deposit a large amount of dust by filter, through repeatedly circulation, also can reach the purpose of abundant purification material.This heat reclaim unit also have volume little, take up an area of few, advantage attractive in appearance.

For making the utility model easier to understand, further set forth the specific embodiment of a kind of heat reclaim unit of the utility model below in conjunction with accompanying drawing.

Description of drawings

Fig. 1 is the structural representation of the utility model heat reclaim unit;

Fig. 2 is the side view of the utility model heat reclaim unit;

Fig. 3 is the circuit module block diagram of the utility model heat reclaim unit;

Fig. 4 is the filtration device structure figure of the utility model heat reclaim unit.

The specific embodiment

The utility model provides a kind of heat reclaim unit, it is installed on the drying machine, and drying machine can be applicable to product in the dry various commercial process, as plastic pellet etc., by the hot blast that produces in the recycling drying machine course of work, the drying of in-depth industrial product is handled.

With reference to illustrated in figures 1 and 2, a kind of heat reclaim unit of the utility model comprises the exhaust duct 1, filter 2, warm-air pipe 3 and the blower fan 4 that are linked in sequence, and heat reclaim unit and drying machine 100 are formed the circulatory system of sealing.Drying machine 100 is used to fill out puts material to be dried, the sidewall of its base has an air inlet 101, has gas outlet 102 on the top cover, and warm-air pipe 3 one ends are inserted in the drying machine 100 by air inlet 101, the outlet of the other end and blower fan 4 is joined, and is used for importing filtered hot blast to drying machine.Exhaust duct 1 one ends are inserted in the drying machine 100 by air outlet 102, and the other end is connected with filter 2, is used to discharge the hot blast of drying machine.Filter 2 is tubular, be removably mounted on the described blower fan 4, exhaust duct 1, filter 2, warm-air pipe 3, blower fan 4 are formed the hot air circulating system of sealing with drying machine 100, by the rotation of blower fan 4, constantly agitate hot blast to be to reflux constantly in the dry machine 100.

In an embodiment of the present utility model, also offer weep hole 11 on the described exhaust duct 1, drying is handled the hot blast of rear section band moisture by weep hole 11 discharges in the drying machine 100, with inner and outer air pressure in the balance hot air circulating system, keep having enough air quantity to enter in the drier 100 in the blower fan 4, simultaneously, most hot blast exports in the filter 2 by exhaust duct 1 and filters, remove a large amount of foreign material in the hot blast in the dry run, also can purify material to be dried.

With reference to shown in Figure 3, in an embodiment of the present utility model, further be provided with controller 5 between described blower fan and the drying machine, be built-in with central processor CPU 501 in the controller 5, be equipped with LED display 502 outward, show each processing parameter, have in placing in the drying machine 100 moisture measurement module 503 humidity measuring instrument and in have the temperature measuring equipment of temperature-measuring module 504, have the speed setting unit of rotational speed control module 505 in being equiped with on the blower fan 4, the CPU501 in the controller 5 respectively with LED display 502, moisture measurement module 503, temperature-measuring module 504 and rotational speed control module 505 electrically connect.The speed feedback of the measurement result of the humidity of humidity and temperature measuring equipment and temperature and blower fan is to LED display in the drying machine, and thus, people can regulate suitable rotating speed or temperature according to parameters such as the temperature of dry run, humidity, to satisfy dry requirement.Certainly, also can pre-set target humidity, select suitable rotating speed, system is according to material component and mission requirements prompting processing time, characteristic and processing requirements according to material are regulated suitable working environment, realized intelligent automatic control, both guaranteed the quality of desciccate, also improved the efficient of dry processing widely the drying processing.

With reference to shown in Figure 4, in an embodiment of the present utility model, described filter 2 comprises filter cylinder 20 and is built in wherein filter screen 21 and fixture 22, by fixture 22 filter screen 21 is fixed in the filter cylinder 20.Wherein, fixture 22 comprises screw rod 220, the nut 222 of phase riveted and the friction top 224 that is arranged on filter screen 21 1 sides with it, screw rod 220 runs through nut 222 and friction top 224, filter screen 21 bends to cylindric, be used to collect dust, the area of its side surface is greater than the sectional area of exhaust duct 1, and feasible whole hot blasts via exhaust duct 1 input filter can filter through filter screen 21, fully hot blast are carried out purified treatment.Promote friction top 224 with the side compression of filter screen 21 to filter cylinder 20 by nut 222 spinning in and out on screw rod 220, thereby filter screen 21 securely is installed on the filter cylinder 20, the opposite side of filter cylinder 20 is by 23 sealings of filter cylinder lid.After having used a period of time, also can easily filter screen 21 be unloaded by filter cylinder 20 and wash.Set up filter 2 between exhaust duct 1 and blower fan, can filter a large amount of dust of carrying secretly in the hot blast, fully the hot blast of decontamination cycle through the multiple cycles drying, also reaches the purpose of purge drying product.

The course of work of a kind of heat reclaim unit of the utility model is as follows:

At first, drop into material to be dried in drier, each inventory should not surpass 2/3 of drier volume, and guaranteeing can be full of in the drier has sufficient air in order to dry processing that material is refluxed;

Secondly, the technological parameter by the controller target setting or select suitable condition of work, controllable technological parameter includes: humidity, temperature, drying time and rotating speed etc.;

Then, start dry the processing, air slowly is heated, and with hot air circulating system in reflux, in dry run, dry hot blast is exported to filter by the air outlet of drier, and the fraction hot blast is discharged by weep hole, most of hot blast filters by the exhaust duct input filter, is recycled to drier via warm-air pipe and carries out cycling and reutilization under blower fan is agitated;

At last, reach the target component index of setting after, finish drying process, take out desciccate.

Above disclosed only is the preferred embodiment of a kind of heat reclaim unit of the utility model, certainly can not limit the interest field of the utility model with this, therefore the equivalent variations of being done according to the utility model claim still belongs to the scope that the utility model is contained.

Claims

1. a heat reclaim unit is installed on the drying machine, it is characterized in that: comprise exhaust duct, warm-air pipe and the blower fan that both are connected, exhaust duct, blower fan, warm-air pipe and drying machine are formed the circulatory system of sealing.

2. heat reclaim unit as claimed in claim 1 is characterized in that: further be provided with filter between described blower fan and the exhaust duct.

3. heat reclaim unit as claimed in claim 2 is characterized in that: also offer weep hole on the described exhaust duct.

4. heat reclaim unit as claimed in claim 2 is characterized in that: further be provided with controller between described blower fan and the drying machine.

5. heat reclaim unit as claimed in claim 4, it is characterized in that: be built-in with central processor CPU in the described controller, be equipped with LED display outward, be provided with humidity and temperature measuring equipment in the drying machine, blower fan is provided with speed setting unit, the CPU in the controller respectively with drying machine in humidity/temperature measuring equipment and the speed setting unit in the blower fan electrically connect.

6. heat reclaim unit as claimed in claim 5 is characterized in that: have the moisture measurement module in the described humidity measuring instrument; Have temperature-measuring module in the temperature measuring equipment; Rotational speed control module is housed in the speed setting unit, and the CPU in the controller electrically connects with LED display, moisture measurement module, temperature-measuring module and rotational speed control module respectively.

7. heat reclaim unit as claimed in claim 2 is characterized in that: described filter comprises filter cylinder and is built in wherein filter screen and fixture, by fixture filter screen is fixed in the filter cylinder.

8. heat reclaim unit as claimed in claim 7, it is characterized in that: described fixture comprises screw rod, the nut of phase riveted and the friction top that is arranged on filter screen one side with it, screw rod runs through nut and friction top, promotes friction top with the side compression of filter screen to filter cylinder by nut spinning in and out on screw rod.