CN104176921A - Forced convection heating air box and forced convection heating method - Google Patents
Forced convection heating air box and forced convection heating method Download PDFInfo
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- CN104176921A CN104176921A CN201310198191.2A CN201310198191A CN104176921A CN 104176921 A CN104176921 A CN 104176921A CN 201310198191 A CN201310198191 A CN 201310198191A CN 104176921 A CN104176921 A CN 104176921A
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Abstract
The invention relates to a forced convection heating air box and a forced convection heating method. An air outlet side of the air box is square; an impeller in a convection air unit is positioned inside the air box and an electric motor is positioned outside the air box; the bottom of the air box is provided with a plurality of raised-type air grid groups; connection parts among the raised-type air grid groups are provided with return air ports; each return air port is communicated with a negative pressure air flue through negative pressure return air pipes; air inlets at two ends of the negative pressure air flue are positioned outside two sides of the air box; an air outlet of the negative pressure air flue directly faces to an air inlet of the impeller; and a plurality of heating module groups are distributed in the air box. The forced convection heating air box has the advantages that: the air flue is extremely short, no wind drag coefficient is produced, and no energy loss is caused, thus the energy consumption of the draught fan is small; the air speed is high, tempered glass is heated in an arc veneering sweeping manner, the heating effect is good, and the flatness of the surface of the tempered glass is not damaged when the tempered glass is at a tempering critical point; the air speed and the pressure ejected out from a plurality of air outlets in a raised-type air grid surface at the bottom of the air box are equal, and thus the consistency of the quality of the tempered glass is ensured.
Description
Technical field
The present invention relates between impeller in a kind of not only convection flow fan and bellows straight-through without air resistance coefficient, bellows and protruding formula air grid are straight-through without air resistance coefficient, and air outlet in protruding formula air grid has forced convection Heating air box and the forced convection heating means that flow velocity is high, pressure is large, energy loss is little, belong to the special convective heating bellows manufacturing of glass tempering furnace field.
CN201099653Y, title " the forced convection process furnace of glass fibre reinforced plastic equipment ", include body of heater (1), be placed in the centrifugal blower (2) of upper of furnace body and be placed in the glass conveying roller way (3) of lower portion of furnace body, it is characterized in that: be connected with the air outlet of centrifugal blower and be provided with the downward ventilation casing of air outlet (4), in being placed with, the upper horizontal that is connected to respectively rollgang with the air outlet of ventilation casing establishes the vitrified pipe (6) of electrical heating element (5), on the tube wall of each vitrified pipe, be placed with spray wind hole (7) downward, refer to accompanying drawing 5.Its weak point: the one, the high pressure air quantity that employing ventilation casing receives and conveying centrifugal blower produces is to vitrified pipe, and not only air channel is long, air resistance coefficient is large, and power loss is large, and fan energy consumption is high, and wind speed is low, to not good by the heats of toughened glass; The 2nd, due to the wind speed pressure of each spray wind hole ejection in vitrified pipe not etc., it is poor directly to cause by the quality consistency of toughened glass; The 3rd, be that melting is softening due to what manifested when the tempering stagnation point by the glass of tempering, and spray wind hole is during directly to the softening toughened glass spray wind of melting, will be to by the damage of toughened glass surface finish.
Summary of the invention
Purpose of design: avoid the weak point in background technology, design between impeller in a kind of not only convection flow fan and bellows straight-through without air resistance coefficient, bellows and protruding formula air grid are straight-through without air resistance coefficient, and air outlet in protruding formula air grid has forced convection Heating air box and the forced convection heating means that flow velocity is high, pressure is large, energy loss is little.
Design: in order to realize above-mentioned purpose of design.1, bellows outlet air surface is square and bellows bottom and is directly designed to the designs of the protruding formula air grid of many groups, is one of technical characterictic of the present invention.The object of doing is like this: in repeatedly anti-design and test, technician finds the Impeller Design in convection flow fan group in bellows, and bellows are designed to regular cube, the high pressure wind speed that its impeller produces and air quantity be the equal equal and opposite in direction of the branch of each portion in bellows, and this point can be measured by the air outlet in the protruding formula air grid portion of bellows bottoms, otherwise, if bellows are designed to rectangular parallelepiped, test by the air outlet in the protruding formula air grid portion to bellows bottoms is found, pressure is little at rectangular parallelepiped bellows two ends to be contained in high pressure wind speed that the impeller at bellows middle parts produces and air quantity, air output is little, directly cause by the Heating temperature of toughened glass face inhomogeneous, the quality of toughened glass does not reach design requirements, bellows outlet air surface is square by the application for this reason, and by the directly protruding formula air grid of the many groups of design of bellows bottom, not only greatly shorten runner, avoid the generation of air resistance coefficient, reduce the energy consumption of high pressure convection flow fan, and the high temperature that sprays of multiple air outlets on protruding formula air grid, high pressure draft camber line acts on glass by tempering, not only guarantee by the Heating temperature of toughened glass even, and guarantee the quality consistency of toughened glass.2, organizing connection section between protruding formula air grid more and have the design of return air inlet, is two of technical characterictic of the present invention.The object of doing is like this: because connection section between the protruding formula air grid of many groups has multiple return air inlets, this return air inlet is communicated with negative pressure air channel by negative pressure backwind tube, both be conducive to the quick backflow of hot blast, reduce again blower fan idle work energy loss, and negative pressure backwind tube gas delivery both can have been arrived the blast inlet of impeller in negative pressure air channel, gas stream in the stove can be recovered to negative pressure air channel again, guarantee the air quantity required by toughened glass.3, the protruding formula air grid bottom design of structure that is in the shape of the letter V is three of technical characterictic of the present invention.The object of doing is like this: because the multiple air outlets that gather are opened on the V of protruding formula air grid font inclined-plane, and the air outlet on V font inclined-plane goes out in the effect of bellows high pressure draft, what the airflow function that its air outlet sprays formed when by tempering on glass is that camber line veneer skims over, just as giving washed one's face by the glass of tempering (referring to accompanying drawing 1 and accompanying drawing 2), so both heat want toughened glass, and avoided again high temperature, high pressure draft strong impact force to by the injury of toughened glass face.
Technical scheme 1: a kind of forced convection Heating air box, bellows outlet air surface is square, impeller in convection flow fan group is positioned at bellows, motor is positioned at outside bellows, bellows bottom is provided with the protruding formula air grid of many groups, connection section between the protruding formula air grid of many groups has return air inlet, and return air inlet is communicated with negative pressure air channel by negative pressure backwind tube, and two ends, negative pressure air channel blast inlet is positioned at outside bellows both sides, negative pressure duct outlet, directly to impeller air suction inlet, is organized heating module more and is distributed in bellows.
Technical scheme 2: a kind of forced convection heating means of forced convection Heating air box, heating module heating power produces high pressure heat, convection flow fan group startup work drives the vane rotary generation high speed air quantity that is positioned at bellows to be directly positioned at after the heating of bellows heating module, directly act on by the glass surface of tempering and complete after by the instantaneously heating of toughened glass by the multiple air outlets on the protruding formula air grid face in bellows bottom, its most of hot blast arc reflection is to the return air inlet between the protruding formula air grid of many groups, by return air inlet through negative pressure backwind tube and negative pressure air channel, enter impeller air suction inlet from negative pressure duct outlet, small portion hot blast enters negative pressure air channel by two ends, negative pressure air channel blast inlet and negative pressure duct outlet enters impeller air suction inlet, again form high speed air quantity by impeller, this high speed air quantity is directly positioned at after the interior heating module heating of bellows again, directly act on by the glass surface of tempering and complete after by the instantaneously heating of toughened glass by the multiple air outlets on the protruding formula air grid face in bellows bottom, its most of hot blast arc reflection is to the return air inlet between the protruding formula air grid of many groups, by return air inlet through negative pressure backwind tube and negative pressure air channel, enter impeller air suction inlet from negative pressure duct outlet, small portion hot blast enters negative pressure air channel by two ends, negative pressure air channel blast inlet and negative pressure duct outlet enters impeller air suction inlet, so circulation, until worked.
The present invention compared with background technology, the one, air channel is extremely short, do not have air resistance coefficient to produce, and power loss can not occur, therefore fan energy consumption is little; The 2nd, wind speed is high, and arc veneer skims over formula to being heated by toughened glass, and not only heats is good, and by the glass of tempering during in tempering stagnation point, can be to being produced injury by tempering glass from surperficial planeness; The 3rd, because the wind speed pressure of the multiple air outlet opening ejections on the protruding formula air grid face in bellows bottom equates, guarantee by the consistence of the quality of toughened glass.
Brief description of the drawings
Fig. 1 is forced convection Heating air box structural representation.
Fig. 2 is the side-looking structural representation of Fig. 1.
Fig. 3 is forced convection Heating air box body structure schematic diagram.
Fig. 4 is the side-looking structural representation of Fig. 3.
Fig. 5 is the structural representation of background technology.
Embodiment
Embodiment 1: with reference to attached Fig. 1 and 2.A kind of forced convection Heating air box, bellows 3 outlet air surfaces are square, impeller 9 in convection flow fan group 1 is positioned at bellows 3, motor is positioned at outside bellows 3, bellows 3 bottoms are provided with the protruding formula air grid 5 of many groups, the connection section that the protruding formula air grid of many groups is 5 has return air inlet, and return air inlet is communicated with negative pressure air channel 8 by negative pressure backwind tube 7, and negative pressure air channel 8 two ends blast inlets are positioned at outside bellows 3 both sides, negative pressure air channel 8 air outlets, directly to impeller 9 air suction inlets, are organized heating module 4 more and are distributed in bellows 3.The protruding formula air grid 5 bottoms structure that is in the shape of the letter V, air outlet is opened on V font inclined-plane.Bellows 3 four sides, top are introversion inclined-plane cubes 10.Negative pressure air channel 8 two ends blast inlets upwarp, open on the introversion inclined-plane of bellows 3 cubes 10.Bellows 3 upper surfaces are provided with insulating cotton 2.Many group heating modules 4 are positioned at the top of 5 mouthfuls of protruding formula air grids.
Embodiment 2: with reference to accompanying drawing 3 and 4.A kind of forced convection Heating air box casing, bellows 3 outlet air surfaces are square, bellows 3 bottoms are provided with the protruding formula air grid 5 of many groups, the connection section 13 that the protruding formula air grid of many groups is 5 has return air inlet, return air inlet is communicated with negative pressure air channel 8 by negative pressure backwind tube 7, negative pressure air channel 8 two ends blast inlets are positioned at outside bellows 3 both sides, and negative pressure air channel 8 air outlets 11 are positioned at bellows 3 middle parts.The protruding formula air grid 5 bottoms structure that is in the shape of the letter V, air outlet 12 is opened on V font inclined-plane.Bellows 3 four sides, top are introversion inclined-plane cubes 10.Negative pressure air channel 8 two ends blast inlets upwarp, open on the introversion inclined-plane of bellows 3 cubes 10.Bellows 3 upper head plates have axis hole 14.
Embodiment 3: on the basis of embodiment 1 and 2, a kind of forced convection heating means of forced convection Heating air box, heating module 4 heating powers produce high pressure heat, the 1 startup work of convection flow fan group drives the impeller 9 rotation generation high speed air quantity that are positioned at bellows 3 to be directly positioned at after bellows 3 heating modules 4 heating, directly act on upper by 6, the glass of tempering and complete after by the instantaneously heating of toughened glass 6 by the multiple air outlets on 5 of bellows 3 protruding formula air grids in bottom, its most of hot blast arc reflection is to the return air inlet of 5 of the protruding formula air grids of many groups, by return air inlet through negative pressure backwind tube 7 and negative pressure air channel 8, enter impeller 9 air suction inlets from negative pressure air channel 8 air outlets, small portion hot blast enters negative pressure air channel 8 by negative pressure air channel 8 two ends blast inlets and negative pressure duct outlet enters impeller 9 air suction inlets, again form high speed air quantity by impeller 9, this high speed air quantity is directly positioned at after interior heating module 4 heating of bellows 3 again, directly act on upper by 6, the glass of tempering and complete after by the instantaneously heating of toughened glass 6 by the multiple air outlets on 5 of bellows 3 protruding formula air grids in bottom, its most of hot blast arc reflection is to the return air inlet of 5 of the protruding formula air grids of many groups, by return air inlet through negative pressure backwind tube 7 and negative pressure air channel 8, enter impeller 9 air suction inlets from negative pressure air channel 8 air outlets, small portion hot blast enters negative pressure air channel 8 by negative pressure air channel 8 two ends blast inlets and negative pressure duct outlet enters impeller 9 air suction inlets, so circulation, until worked.
It is to be understood that: although above-described embodiment is to the mentality of designing of the present invention detailed text description of contrasting; but these text descriptions; just the simple text of mentality of designing of the present invention is described; instead of restriction to mentality of designing of the present invention; any combination, increase or amendment that does not exceed mentality of designing of the present invention, all falls within the scope of protection of the present invention.
Claims (9)
1. a forced convection Heating air box, it is characterized in that: bellows (3) outlet air surface is square, impeller (9) in convection flow fan group (1) is positioned at bellows (3), motor is positioned at outside bellows (3), bellows (3) bottom is provided with the protruding formula air grid of many groups (5), connection section between the protruding formula air grid of many groups (5) has return air inlet, return air inlet is communicated with negative pressure air channel (8) by negative pressure backwind tube (7), two ends, negative pressure air channel (8) blast inlet is positioned at outside bellows (3) both sides, negative pressure air channel (8) air outlet is directly to impeller (9) air suction inlet, many group heating modules (4) are distributed in bellows (3).
2. forced convection Heating air box according to claim 1, is characterized in that: the structure that is in the shape of the letter V bottom protruding formula air grid (5), air outlet (12) is opened on V font inclined-plane.
3. forced convection Heating air box according to claim 1, is characterized in that: four sides, bellows (3) top is introversion inclined-plane cubes (10).
4. forced convection Heating air box according to claim 1, is characterized in that: two ends, negative pressure air channel (8) blast inlet upwarps, opens on the introversion inclined-plane of bellows (3) cubes (10).
5. forced convection Heating air box according to claim 1, is characterized in that: bellows (3) upper surface is provided with insulating cotton (2).
6. forced convection Heating air box according to claim 1, is characterized in that: the top of organizing heating module (4) more and be positioned at protruding formula air grid (5) mouthful.
7. a forced convection Heating air box casing, it is characterized in that: bellows (3) outlet air surface is square, bellows (3) bottom is provided with the protruding formula air grid of many groups (5), connection section (13) between the protruding formula air grid of many groups (5) has return air inlet, return air inlet is communicated with negative pressure air channel (8) by negative pressure backwind tube (7), two ends, negative pressure air channel (8) blast inlet is positioned at outside bellows (3) both sides, and negative pressure air channel (8) air outlet (11) is positioned at bellows (3) middle part.
8. forced convection Heating air box casing according to claim 7, is characterized in that: bellows (3) upper head plate has axis hole (14).
9. the forced convection heating means of a forced convection Heating air box, it is characterized in that: heating module (4) heating power produces high pressure heat, convection flow fan group (1) startup work drives impeller (9) the rotation generation high speed air quantity that is positioned at bellows (3) to be directly positioned at after bellows (3) heating modules (4) heating, directly act on by the glass of tempering (6) face and complete after by the instantaneously heating of toughened glass (6) by the multiple air outlets on protruding formula air grid (5) face bottom bellows (3), its most of hot blast arc reflection is to the return air inlet between the protruding formula air grid of many groups (5), by return air inlet through negative pressure backwind tube (7) and negative pressure air channel (8), enter impeller (9) air suction inlet from negative pressure air channel (8) air outlet, small portion hot blast enters negative pressure air channel (8) by two ends, negative pressure air channel (8) blast inlet and negative pressure duct outlet enters impeller (9) air suction inlet, again form high speed air quantity by impeller (9), this high speed air quantity is directly positioned at after the interior heating modules of bellows (3) (4) heating again, directly act on by the glass of tempering (6) face and complete after by the instantaneously heating of toughened glass (6) by the multiple air outlets on protruding formula air grid (5) face bottom bellows (3), its most of hot blast arc reflection is to the return air inlet between the protruding formula air grid of many groups (5), by return air inlet through negative pressure backwind tube (7) and negative pressure air channel (8), enter impeller (9) air suction inlet from negative pressure air channel (8) air outlet, small portion hot blast enters negative pressure air channel (8) by two ends, negative pressure air channel (8) blast inlet and negative pressure duct outlet enters impeller (9) air suction inlet, so circulation, until worked.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310198191.2A CN104176921B (en) | 2013-05-24 | 2013-05-24 | Forced convection heating air box and forced convection heating method |
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| CN201310198191.2A CN104176921B (en) | 2013-05-24 | 2013-05-24 | Forced convection heating air box and forced convection heating method |
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| CN104176921A true CN104176921A (en) | 2014-12-03 |
| CN104176921B CN104176921B (en) | 2017-02-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105541091A (en) * | 2016-02-01 | 2016-05-04 | 张亚青 | Modular tempered glass furnace forced heat convection tank body and heat convection method thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4390359A (en) * | 1980-09-12 | 1983-06-28 | Tamglass Oy | Method of and apparatus for preventing the curving of glass sheets in the roller-equipped furnace of a horizontal tempering plant |
| CN1543443A (en) * | 2001-07-11 | 2004-11-03 | Method for conducting heat to a glass sheet | |
| CN201099653Y (en) * | 2007-09-30 | 2008-08-13 | 张印民 | Glass fibre reinforced plastic equipment forced convection heating stove |
| CN201777981U (en) * | 2010-08-04 | 2011-03-30 | 索一玮 | Quenching air tube used on toughened glass equipment |
| CN102515492A (en) * | 2011-12-26 | 2012-06-27 | 洛阳兰迪玻璃机器股份有限公司 | Tempered glass plate cooling method and wind grating adopting the same |
| CN102690048A (en) * | 2011-03-25 | 2012-09-26 | 洛阳北方玻璃技术股份有限公司 | Heating method of heating furnace for glass tempering |
| CN203307213U (en) * | 2013-05-24 | 2013-11-27 | 张亚青 | Forced convection heating air box body |
-
2013
- 2013-05-24 CN CN201310198191.2A patent/CN104176921B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4390359A (en) * | 1980-09-12 | 1983-06-28 | Tamglass Oy | Method of and apparatus for preventing the curving of glass sheets in the roller-equipped furnace of a horizontal tempering plant |
| CN1543443A (en) * | 2001-07-11 | 2004-11-03 | Method for conducting heat to a glass sheet | |
| CN201099653Y (en) * | 2007-09-30 | 2008-08-13 | 张印民 | Glass fibre reinforced plastic equipment forced convection heating stove |
| CN201777981U (en) * | 2010-08-04 | 2011-03-30 | 索一玮 | Quenching air tube used on toughened glass equipment |
| CN102690048A (en) * | 2011-03-25 | 2012-09-26 | 洛阳北方玻璃技术股份有限公司 | Heating method of heating furnace for glass tempering |
| CN102515492A (en) * | 2011-12-26 | 2012-06-27 | 洛阳兰迪玻璃机器股份有限公司 | Tempered glass plate cooling method and wind grating adopting the same |
| CN203307213U (en) * | 2013-05-24 | 2013-11-27 | 张亚青 | Forced convection heating air box body |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105541091A (en) * | 2016-02-01 | 2016-05-04 | 张亚青 | Modular tempered glass furnace forced heat convection tank body and heat convection method thereof |
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Effective date of registration: 20161228 Address after: Hangzhou City, Zhejiang province 311107 Yuhang District Renhe street in Wan Road No. 1 Applicant after: Hangzhou Seikoh Machinery Co., Ltd. Address before: Thirteen Wan Xiang, Shangcheng District in Hangzhou city Zhejiang province 310002 No. 20 Room 102 Applicant before: Zhang Yaqing |
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