CN204356228U - A kind of jetting type forced convection circulation device for annealing furnace - Google Patents
A kind of jetting type forced convection circulation device for annealing furnace Download PDFInfo
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- CN204356228U CN204356228U CN201420863179.9U CN201420863179U CN204356228U CN 204356228 U CN204356228 U CN 204356228U CN 201420863179 U CN201420863179 U CN 201420863179U CN 204356228 U CN204356228 U CN 204356228U
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Abstract
The utility model belongs to the tempering apparatus technical field of Lid of glass pot, relate to a kind of jetting type forced convection circulation device for annealing furnace particularly, comprise air compressor machine, described air compressor machine is connected with strainer by pipeline, strainer is connected with gas-holder by pipeline, gas-holder is connected with cooling driers by pipeline, described cooling driers is by pipeline and the heat-resisting pipeline communication being positioned at furnace interior, heat-resisting pipeline is connected with one end of spiral preheating tube, the other end of spiral preheating tube is communicated with the compressed air inlet on fluid valve, compressed air inlet is communicated with eddy flow chamber, eddy flow chamber is stitched with injection and is communicated with, spray the outlet of seam and fluid valve, the outlet of fluid valve is communicated with convection current jet pipe, convection current jet pipe is provided with the gas orifice towards glass.The utility model has can reduce pressurized air consumption, improve the overall homogeneity of furnace temperature and stability, can ensure that glass heats quality also can improve the advantage of tempering quality.
Description
Technical field
The utility model belongs to the tempering apparatus technical field of Lid of glass pot, relates to a kind of jetting type forced convection circulation device for annealing furnace particularly.
Background technology
The annealing furnace that forced convection must be adopted to heat when producing tempering LOW-E glass, convection type conventional at present mainly contains the forced convection of high-temperature blower internal recycle and pressurized air forced convection two kinds of forms.High-temperature blower convection current adopts internal recycle convection current, has convection intensity high, the advantage that glass heats efficiency is high; but after body of heater heats up, high-temperature blower need not shut down running, failure rate is higher and the complicated cost of convective structure is high; maintenance difficult, therefore have impact on applying of blower fan convection furnace.
Another traditional compressed air convection mainly by after pressurized air preheating, by certain piping system and nozzle, directly sprays to glass, forms P-Coercive air flowing at glass surface, improves heat transfer efficiency.Traditional compressed air convection has that structure is simple, and cost is low, the advantage of failure rate is low, but due to pressurized air be air at room temperature, first rely on furnace temperature to carry out preheating after entering body of heater, the reduction of in-furnace temperature can be caused, affect heat transfer efficiency; And the pressurized air of the outer room temperature of stove enters after in stove, must need the furnace high-temperature gas of discharging equivalent, overall gas pressure could be kept to balance, therefore will inevitably produce certain power loss.
Summary of the invention
The purpose of this utility model is to solve the problems of the technologies described above, and provides a kind of and reduces pressurized air consumption, improves the overall homogeneity of furnace temperature and stability, can ensure glass heats quality and can improve the jetting type forced convection circulation device for annealing furnace of tempering quality.
The technical solution of the utility model is: a kind of jetting type forced convection circulation device for annealing furnace, comprise air compressor machine, described air compressor machine is connected with strainer by pipeline, strainer is connected with gas-holder by pipeline, gas-holder is connected with cooling driers by pipeline, described cooling driers is by pipeline and the heat-resisting pipeline communication being positioned at furnace interior, heat-resisting pipeline is connected with one end of spiral preheating tube, the other end of spiral preheating tube is communicated with the compressed air inlet on fluid valve, compressed air inlet is communicated with eddy flow chamber, eddy flow chamber is stitched with injection and is communicated with, spray the outlet of seam and fluid valve, the outlet of fluid valve is communicated with convection current jet pipe, convection current jet pipe is provided with the gas orifice towards glass.
Preferably, described fluid valve comprises the upper valve body and lower valve body that are connected by coupling screw, and compressed air inlet is positioned on lower valve body, and eddy flow chamber is the cavity formed by the inwall of the outer wall of upper valve body and lower valve body.
Preferably, described convection current jet pipe is provided with single-row or biserial gas orifice.
Closer, described heat-resisting pipeline is provided with variable valve.
Closer, the pipeline that described cooling driers is connected with heat-resisting pipeline is provided with electric switching valve.
Preferably, described body of heater comprises upper furnace body and lower furnace body, is equipped with electrical heating wire in upper furnace body and lower furnace body, lower furnace body is also provided with the transfer roller for carrying glass.
The beneficial effects of the utility model are: first, by designing separately a fluid valve and spiral preheating tube, utilize spiral preheating tube to heat the pressurized air entering body of heater, the in-furnace temperature that the pressurized air owing to introducing room temperature can be avoided to cause reduces and then affects the problem of heat transfer efficiency;
Secondly, fluid valve is utilized to adopt jet current principle that warm air in stove is sucked convection duct, form the hot mixed gas of strong convection, usually 1L pressurized air is often passed into, warm air in 3L stove can be sucked, thus form 4L high pressure convection heat mixed gas, make under same convection intensity, the air supply of needs can be reduced, thermo-efficiency is significantly improved.Simultaneously by the fluid valve of evenly arrangement in stove, can realize the overall circulative convection of warm air in stove, temperature homogeneity is higher, and glass heats increased quality is remarkable;
Finally, by the electrical heating wire of evenly arrangement in stove, cryogenic gas after heat exchange can be heated rapidly and again become high-temperature gas, convection current jet pipe is sucked by fluid valve, form the overall internal recycle of warm air in stove, can significantly reduce pressurized air consumption, improve the overall homogeneity of furnace temperature and stability, be conducive to ensureing glass heats quality, improve tempering quality.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of the utility model body of heater.
Fig. 3 is the structural representation of the utility model fluid valve.
Fig. 4 is the schematic diagram of A-A section in Fig. 3.
Fig. 5 is the enlarged diagram in B portion in Fig. 3.
Fig. 6 is the jet pipe schematic diagram of two gas orifice.
Fig. 7 is the jet pipe schematic diagram of single spraying pore.
In figure, 1, air compressor machine, 2, strainer, 3, gas-holder, 4, cooling driers, 5, lower furnace body, 6, transfer roller, 7, glass, 8, upper furnace body, 9, electric switching valve, 10, variable valve, 11, electrical heating wire, 12, spiral preheating tube, 13, fluid valve, 14, convection current jet pipe, 15, heat-resisting pipeline, 16, upper valve body, 17, lower valve body, 18, coupling screw, 19, eddy flow chamber, 20, compressed air inlet, 21, spray seam, 22, gas orifice.
Embodiment
Below in conjunction with accompanying drawing, the technical solution of the utility model is described in detail.
As depicted in figs. 1 and 2, a kind of jetting type forced convection circulation device for annealing furnace of the present utility model, comprises air compressor machine 1, and first the high-pressure air after air compressor machine 1 compresses enters impurity filtering in strainer 2, and then enter in gas-holder 3, to maintain pressure equilibrium.During use, first enter cooling driers 4 from gas-holder 3 pressurized air out and carry out drying, then enter by electric switching valve 9 and variable valve 10 the heat-resisting pipeline 15 and spiral preheating tube 12 that are arranged in body of heater again, pressurized air carries out preheating in spiral preheating tube 12, and the in-furnace temperature that the pressurized air owing to introducing room temperature can be avoided to cause reduces and then affects the problem of heat transfer efficiency.
Annealing furnace body of heater is made up of upper and lower two portions, namely upper furnace body 8 and lower furnace body 5 is comprised, upper furnace body 8 liftable, be convenient to maintenance, lower furnace body 5 have the evenly distributed transfer roller 6 being used for carrying glass 7, make glass 7 enter along with roller bed rotation or leave heating furnace body.Be equipped with electrical heating wire 11 in upper furnace body 8 and lower furnace body 5, radiation heating can be carried out to glass and furnace air simultaneously.
After glass 7 enters body of heater, open electric switching valve 9, make the pressurized air in gas-holder 3 enter the spiral preheating tube 12 in body of heater through cooling driers 4, variable valve 10 and heat-resisting pipeline 15 successively, the pressurized air after abundant preheating enters in fluid valve 13.
As shown in Figures 3 to 5, fluid valve 13 comprises the upper valve body 16 and lower valve body 17 that are connected by coupling screw 18, first pressurized air after spiral preheating tube 12 preheating enter the compressed air inlet 20 be positioned on lower valve body, then enter in the eddy flow chamber 19 be communicated with compressed air inlet 20 formed with the inwall of lower valve body 17 by the outer wall of upper valve body 16, high pressure cyclone is formed in eddy flow chamber 19, because eddy flow chamber 19 is communicated with injection seam 21, therefore pressurized air enters into convection current jet pipe 14 followed by spraying the outlet outflow of seam 21 from fluid valve 13.When pressurized air flows out from injection seam 21 because high speed rotating jet-stream wind can form idling nip the inner chamber of fluid valve 13, thus Absorbable rod top warm air enters fluid valve, forms hot high pressure mixing air.
The hot high pressure mixing air formed in fluid valve 13 is sprayed by the gas orifice 22 of convection current jet pipe 14, sprays to glass 7 to be heated surface, makes mixture heat air-flow and glass surface form forced convection conduction heating.Particularly, the single-row gas orifice 22 that convection current jet pipe 14 can be arranged as shown in Figure 7 also can arrange biserial gas orifice 22 as shown in Figure 6.
Although the foregoing describe embodiment of the present utility model, it will be understood by those of skill in the art that these only illustrate, protection domain of the present utility model is defined by the appended claims.Those skilled in the art, under the prerequisite not deviating from principle of the present utility model and essence, can make various changes or modifications to these embodiments, but these change and amendment all falls into protection domain of the present utility model.
Claims (6)
1. the jetting type forced convection circulation device for annealing furnace, comprise air compressor machine (1), described air compressor machine (1) is connected with strainer (2) by pipeline, strainer (2) is connected with gas-holder (3) by pipeline, gas-holder (3) is connected with cooling driers (4) by pipeline, it is characterized in that: described cooling driers (4) is communicated with the heat-resisting pipeline (15) being positioned at furnace interior by pipeline, heat-resisting pipeline (15) is connected with one end of spiral preheating tube (12), the other end of spiral preheating tube (12) is communicated with the compressed air inlet (20) on fluid valve (13), compressed air inlet (20) is communicated with eddy flow chamber (19), eddy flow chamber (19) is stitched (21) with injection and is communicated with, spray the outlet of seam (21) and fluid valve (13), the outlet of fluid valve (13) is communicated with convection current jet pipe (14), convection current jet pipe (14) is provided with towards the gas orifice of glass (7) (22).
2. a kind of jetting type forced convection circulation device for annealing furnace as claimed in claim 1, it is characterized in that: described fluid valve (13) comprises the upper valve body (16) and lower valve body (17) that are connected by coupling screw (18), compressed air inlet (20) is positioned on lower valve body (17), and eddy flow chamber (19) are the cavitys formed by the inwall of the outer wall of upper valve body (16) and lower valve body (17).
3. a kind of jetting type forced convection circulation device for annealing furnace as claimed in claim 1 or 2, is characterized in that: described convection current jet pipe (14) is provided with single-row or biserial gas orifice (22).
4. a kind of jetting type forced convection circulation device for annealing furnace as claimed in claim 3, is characterized in that: described heat-resisting pipeline (15) is provided with variable valve (10).
5. a kind of jetting type forced convection circulation device for annealing furnace as claimed in claim 4, is characterized in that: the pipeline that described cooling driers (4) is connected with heat-resisting pipeline (15) is provided with electric switching valve (9).
6. a kind of jetting type forced convection circulation device for annealing furnace as claimed in claim 3, it is characterized in that: described body of heater comprises upper furnace body (8) and lower furnace body (5), be equipped with electrical heating wire (11) in upper furnace body (8) and lower furnace body (5), lower furnace body (5) be also provided with the transfer roller (6) for conveying glass (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420863179.9U CN204356228U (en) | 2014-12-31 | 2014-12-31 | A kind of jetting type forced convection circulation device for annealing furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420863179.9U CN204356228U (en) | 2014-12-31 | 2014-12-31 | A kind of jetting type forced convection circulation device for annealing furnace |
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| Publication Number | Publication Date |
|---|---|
| CN204356228U true CN204356228U (en) | 2015-05-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420863179.9U Expired - Fee Related CN204356228U (en) | 2014-12-31 | 2014-12-31 | A kind of jetting type forced convection circulation device for annealing furnace |
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| CN (1) | CN204356228U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113845295A (en) * | 2021-09-14 | 2021-12-28 | 福耀集团(福建)机械制造有限公司 | Convection heating element for glass heating furnace |
-
2014
- 2014-12-31 CN CN201420863179.9U patent/CN204356228U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113845295A (en) * | 2021-09-14 | 2021-12-28 | 福耀集团(福建)机械制造有限公司 | Convection heating element for glass heating furnace |
| CN113845295B (en) * | 2021-09-14 | 2023-10-13 | 福耀集团(福建)机械制造有限公司 | Convection heating element for glass heating furnace |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150527 Termination date: 20201231 |
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| CF01 | Termination of patent right due to non-payment of annual fee |