CN100533031C

CN100533031C - Heating furnace

Info

Publication number: CN100533031C
Application number: CNB2007101578165A
Authority: CN
Inventors: 于德海; 毕克滨; 高德峰
Original assignee: Dalian Guangyang Science and Technology Engineering Co Ltd
Current assignee: Dalian Guangyang Science and Technology Engineering Co Ltd
Priority date: 2007-10-29
Filing date: 2007-10-29
Publication date: 2009-08-26
Anticipated expiration: 2027-10-29
Also published as: CN101144690A

Abstract

The invention discloses a heating furnace, which comprises a heating chamber and a wind supply heating circulating system; wherein, the invention is characterized in that the heating chamber is a closed down door structure, a heated element input port is only arranged on the bottom plate of the heating chamber, a feeding and discharging lift device is installed at the lower part of the heated element input port, a sealing backing plate is arranged at the top end of the lift device, and the sealing support plate is driven by the lift device to be moved up and down; the screen is performed to a space between the heating chamber and the lift device by a baffle plate, composing a sealing chamber; one face of the sealing chamber is composed of a front baffle plate movably connected at the upper part, the other face of the sealing chamber is composed of a closing plate; when in use, the heated element is put on the life device in the sealing chamber through lifting the front baffle plate, or the heated element is taken out from the sealing chamber; the heated element is delivered into or dropped out the heating chamber by the heated element input port through the lifting of the lift device. The heating furnace has the advantages that the energy resource is saved, the use is convenient and the structure is simple, and the invention is suitable for being widely promoted in various normal pressure heat treatment industries.

Description

Heating furnace

Technical field

The present invention relates to a kind of heating furnace, relate in particular to a kind of can be when heated object be changed, guarantee the less heating furnace of temperature loss in the stove.

Background technology

Heating furnace is widely used at industry-by-industry as traditional processing unit (plant).Traditional handicraft is illustrated in figure 3 as cabinet type stove, have sliding door 303 in the side of heating clamber 1, draw back sliding door 303 during use heated object put into heating clamber 1, heating rapidly then, make the temperature of heating clamber 1 reach the temperature that heated object needs as early as possible, to satisfy the requirement of some special heated objects, need in short time as far as possible, make as curing oven and to reach in the heating clamber between 180 ℃ to 230 ℃, after workpiece machines, open sliding door 303 heated object 6 is taken out, add the next group heated object and process; As shown in Figure 3, the volume of supposing heated object 6 is V, after heated object 6 is removed, staying volume in stove is the vacancy space of V, air feed system can not be with on this part space make-up at short notice, pressure in the stove during this period of time is lower than external pressure like this, because side sliding door 303 is being opened, extraneous air can from all directions of side door rapidly with stove in hot gas formation convection current, because the rate of heat exchange of this convection current is very high, so loss just is not only the heat that workpiece shifts out volume V space, often the temperature in the stove can drop to about 50 ℃ after heated object is removed, the energy of needs when required energy is equivalent to new stove and uses for the first time when carrying out next operation, so operation causes a large amount of energy to be wasted.In the current society of energy scarcity, press for a kind of new heating furnace and come out, solve the problem that exists.

Summary of the invention

The present invention is directed to the deficiencies in the prior art, develop a kind of a large amount of energy savings, increase substantially the heating furnace of production efficiency.The technology used in the present invention means are as follows:

A kind of heating furnace comprises heating clamber and air feed heating circulation system; It is characterized in that described heating clamber is an enclosed construction, only on the base plate of heating clamber, be provided with the heated object input port, the input and output material hoisting apparatus also is equipped with in bottom in described heated object input port, on the top of hoisting apparatus the sealing supporting plate is arranged, and the sealing supporting plate is driven by hoisting apparatus and moves up and down; Space between described heating clamber and the hoisting apparatus is blocked by baffle plate, constitutes closed chamber; The one side of described closed chamber is made of the front apron that top movable connects, and other face is made of sealing plate; During use, by lifting front apron, heated object is placed on the hoisting apparatus in the closed chamber, or heated object is taken out from the hoisting apparatus in the closed chamber; By the lifting of hoisting apparatus, heating clamber is sent into or withdrawed to heated object through the heated object input port; Described air feed heating circulation system comprises air-blast device and heater; On the inwall of heating clamber, be provided with ventilation duct, and on the tube wall of ventilation duct, have return air inlet and a blowing mouth, the air feed heating circulation system is blown into the gas of heating in the ventilation duct, enters in the heating clamber by blowing mouth, is returned in the air feed heating circulation system by return air inlet and forms gas circulation; Described heated object input port is not for waiting big twoport structure, and it is suitable for reading less than the sealing supporting plate, and end opening is greater than the sealing supporting plate; The sealing supporting plate can seal with the heated object input port under the promotion of hoisting apparatus during use.

Owing to adopted technique scheme, heating furnace provided by the invention has increased substantially rate of energy, and because it is simple in structure, is suitable for extensively promoting in various normal pressure heat treatment industries.

Description of drawings

Fig. 1 is a structural representation of the present invention;

Fig. 2 is a side schematic view of the present invention;

Fig. 3 is a traditional heating furnace structure schematic diagram;

Fig. 4 is that the A-A of Fig. 1 is to view;

Fig. 1 is a specification digest accompanying drawing of the present invention.

Among the figure: 1, heating clamber, 101, the heated object input port, 102, ventilation duct, 103, base plate, 104, return air inlet, 105, blowing mouth, 106, suitable for reading, 107, end opening, 2, the air feed heating circulation system, 201, air-blast device, 202, heater, 3, closed chamber, 301, front apron, 302, sealing baffle, 303, sliding door, 4, geosyncline, 5, hoisting apparatus, 501, the sealing supporting plate, 6, heated object.

The specific embodiment

As Fig. 1, Fig. 2 and shown in Figure 4, the technical scheme of heating furnace provided by the invention is, heating clamber 1 is an enclosed construction, only on the base plate 103 of heating clamber, be provided with heated object input port 101, input and output material hoisting apparatus 5 also is equipped with in bottom in the heated object input port, sealing supporting plate 501 is arranged on the top of hoisting apparatus, and the sealing supporting plate is driven by hoisting apparatus and moves up and down; Space between heating clamber and the hoisting apparatus is blocked by baffle plate, constitutes closed chamber 3; The one side of described closed chamber is made of the front apron 301 that top movable connects, and other face is made of sealing plate 302; Heated object input port 101 is for waiting big twoport structure, and it is suitable for reading 106 less than sealing supporting plate 501, and end opening 107 is greater than the sealing supporting plate; By lifting front apron, heated object 6 is placed on the hoisting apparatus in the closed chamber, or heated object is taken out from the hoisting apparatus in the closed chamber; By the lifting of hoisting apparatus, heating clamber is sent into or withdrawed to heated object through the heated object input port; Wherein air feed heating circulation system 2 comprises air-blast device 201 and heater 202; On the inwall of heating clamber 1, be provided with ventilation duct 102, and on the tube wall of ventilation duct, have return air inlet 104 and a blowing mouth 105, the air feed heating circulation system is blown into the gas of heating in the ventilation duct, enter in the heating clamber by blowing mouth, return in the air feed heating circulation system by return air inlet again and form gas circulation.

With square heating furnace example, further specify the present invention and be how to realize energy-conservation: as shown in Figure 1,, open a geosyncline 4 at subsurface for convenient and practical, hoisting apparatus 5 is installed in the geosyncline 4, and hoisting apparatus 5 keeps the sealing supporting plate parallel to the ground before holding up heated object 6; Wherein the distance between hoisting apparatus 5 and the heating clamber 1 is adjusted as required, after having determined height, with baffle plate the space of 1 of hoisting apparatus 5 and heating clamber is blocked, constitute closed chamber 3, the one side of closed chamber is made of the front apron 301 that top movable connects, and its excess-three face constitutes (as Fig. 1, Fig. 2) by sealing plate 302.At first carry out the heating furnace preheating during operation, lifting front apron simultaneously is placed on heated object 6 on the sealing supporting plate 501 of hoisting apparatus 5, put down front apron then and guarantee that extraneous air does not enter in the closed chamber, start hoisting apparatus 5, heated object 6 put in the heating clamber 1 heat, because heated object input port 101 can effectively contact with sealing supporting plate 501 for not waiting big twoport structure (as Fig. 4), make heating clamber be in a state of sealing fully; When the after-contraction hoisting apparatus is finished in heating, make heated object leave heating clamber and return ground, because hot-air is lighter than cold air, so the hot-air in the heating clamber can not opening and a large amount of outflows along with heated object input port 101, the below of heating clamber is a closed chamber in addition, outside air can directly not enter heating clamber, at this moment gas flow is that the interior gas of closed chamber replenishes the space that heated object shifts out, heated object itself also has certain heat, can heat the air in the closed chamber, hot-air in the heating clamber and the air between the air in the closed chamber flow mild especially like this; Outside air will enter closed chamber when lifting front apron taking-up heated object, because heated object is generally metal, according to heat exchange law, extraneous air carries out exchange heat with more and heated object, carry out the air after the exchange heat, entering closed chamber more just can not be bigger with original air temperature difference, flow and form strong air, because effective isolation of closed chamber, it is minimum that temperature loss in the heating clamber can be reduced to, and approximately lost the heat in that part of space of heated object, generally take out heated object after, when the temperature in the heating clamber can also maintain sealing about 80% of furnace temperature, compare with traditional technology and to have improved rate of energy greatly.

The above; only be the preferable specific embodiment of the present invention; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to replacement or change according to technical scheme of the present invention and inventive concept thereof, all should be encompassed within protection scope of the present invention.

Claims

1, a kind of heating furnace comprises heating clamber (1) and air feed heating circulation system (2); It is characterized in that described heating clamber (1) is closed downward swing door structure, only on the base plate (103) of heating clamber, be provided with heated object input port (101), in the bottom of described heated object input port input and output material hoisting apparatus (5) is housed also, sealing supporting plate (501) is arranged on the top of hoisting apparatus, and the sealing supporting plate is driven by hoisting apparatus and moves up and down; Space between described heating clamber and the hoisting apparatus is blocked by baffle plate, constitutes closed chamber (3); The one side of described closed chamber is made of the front apron (301) that top movable connects, and other face is made of sealing plate (302); During use, by lifting front apron, heated object (6) is placed on the interior hoisting apparatus of closed chamber, or heated object is taken out from the hoisting apparatus in the closed chamber; By the lifting of hoisting apparatus, heating clamber is sent into or withdrawed to heated object through the heated object input port.

2, heating furnace according to claim 1 is characterized in that described heated object input port (101) for not waiting big twoport structure, and its (106) suitable for reading less than sealing supporting plate (501), end opening (107) is greater than the sealing supporting plate; The sealing supporting plate can seal with the heated object input port under the promotion of hoisting apparatus during use.