CN204612441U - For the waste-heat recovery device of continuous powder coating production line curing oven - Google Patents
For the waste-heat recovery device of continuous powder coating production line curing oven Download PDFInfo
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- CN204612441U CN204612441U CN201520203209.8U CN201520203209U CN204612441U CN 204612441 U CN204612441 U CN 204612441U CN 201520203209 U CN201520203209 U CN 201520203209U CN 204612441 U CN204612441 U CN 204612441U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
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Abstract
The utility model is the waste heat recovery apparatus for continuous powder coating production line curing oven, comprise hot air heat exchange apparatus and carbonated drink parallel heat exchanging apparatus, the exhanst gas outlet of described hot air heat exchange apparatus is connected by tube connector with the smoke inlet of carbonated drink parallel heat exchanging apparatus, described hot air heat exchange apparatus comprises hot air heat exchanger housing, in housing, exhaust gases passes is installed, one end of this exhaust gases passes is smoke inlet, the other end is exhanst gas outlet, described housing has air intake and air outlet slit, described air intake is connected with a sidewall of hot air heat exchanger exhaust gases passes, another sidewall relative with the sidewall connecting air intake is provided with air trapping chamber, this air trapping chamber is communicated with air outlet slit, jet pipe is provided with in exhaust gases passes.This equipment can reduce exhaust gas temperature, reduces energy waste, makes the temperature of flue gas drop to about 150 DEG C by 400 DEG C, and can reach the object that each vapor-water heat exchanger can regulate separately, improves the controllability of heat exchange amount.
Description
Technical field
The utility model relates to a kind of electrostatic powder spraying field, by gas gas and air water heat exchange, reduces the waste heat recovery that flue-gas temperature realizes powder curing stove.Be to provide a kind of waste-heat recovery device for continuous powder coating production line curing oven specifically.
Background technology
Powder coating can say the short slab well solving liquid and be coated with, its non-environmental-pollution, and can produce and have higher quality, has more the Coil Coating Products of the market competitiveness.But from traditional liquid, to be coated with tinuous production different, the fundamental characteristics of powder determines it can not be continued to adopt this pattern of hot air circulation in the curing process, so at coiled material powder continuously coating production line, the consolidation zone after coating, adopt the brand-new curing oven of gas-fired infrared radiator radiation heating.Gas infrared radiation is dried coating and can be produced flue gas and emit, and flue-gas temperature often will arrive 400 DEG C, as directly discharge can cause great energy waste.
The residual neat recovering system that the curing oven of existing production line is equipped with is by flue gas by traditional pipe heat exchanger and air heat-exchange, with provide oven dry or other positions of production line can hot-air.This traditional heat exchanger heat exchange efficiency is low, not high to the utilization rate of heat energy.And this heat-exchange system can only provide hot blast a kind of heat energy medium, provides heat energy medium kind abundant not.Meanwhile, along with the change of output, the poor controllability of this residual neat recovering system exchange heat, can not effectively reduce exhaust gas temperature, make it be stabilized in about 150 DEG C.
Utility model content
The purpose of this utility model is the defect overcoming prior art, provides a kind of waste-heat recovery device for continuous powder coating production line curing oven.
Waste heat recovery apparatus for continuous powder coating production line curing oven described in the utility model, the carbonated drink parallel heat exchanging apparatus comprising hot air heat exchange apparatus and be connected with hot air heat exchange apparatus, the exhanst gas outlet of described hot air heat exchange apparatus and the smoke inlet of carbonated drink parallel heat exchanging apparatus, be connected by tube connector, described hot air heat exchange apparatus comprises, play the hot air heat exchanger housing of insulation effect, hot air heat exchanger exhaust gases passes is installed in hot air heat exchanger housing, one end of this hot air heat exchanger exhaust gases passes is hot air heat exchanger smoke inlet, the other end is hot air heat exchanger exhanst gas outlet, described housing has air intake and air outlet slit, described air intake is connected with a sidewall of hot air heat exchanger exhaust gases passes, another sidewall relative with the sidewall connecting air intake, be provided with air trapping chamber, this air trapping chamber is communicated with air outlet slit, be provided with perpendicular to hot air heat exchanger exhaust gases passes axis in hot air heat exchanger exhaust gases passes, be communicated with passage tube wall, the jet pipe that communicate corresponding to air intake and air outlet slit respectively.
Described jet pipe, comprise the interior pipe that one end is closed and the outer tube be sleeved on outside interior pipe, the untight one end of interior pipe is connected with outer duct occlusion ground, untight one end between inner and outer pipe, forms jet pipe air outlet slit between two pipes, the wall of interior pipe is uniformly distributed spurt hole, be positioned at the jet pipe below air intake, its air intake, towards air intake, is positioned at the jet pipe below air outlet slit, and its air intake is towards air trapping chamber.
The external diameter of described jet pipe is 50mm ~ 300mm, and the aperture of described spurt hole is 3 ~ 6mm, leaves the distance of 10mm ~ 100mm during installation between tube and tube.
Described carbonated drink parallel heat exchanging apparatus, comprise carbonated drink heat exchangers in parallel housing, fume collection chamber is installed therein, the outlet in fume collection chamber is connected with carbonated drink heat exchangers in parallel exhanst gas outlet, at least one water-to-water heat exchanger is connected with on fume collection chamber, in the junction of fume collection chamber and water-to-water heat exchanger, water-to-water heat exchanger valve is installed, water-to-water heat exchanger water out on each water-to-water heat exchanger and water-to-water heat exchanger water inlet, stretch out outside carbonated drink heat exchangers in parallel housing, be connected with the water inlet return pipe outside housing.
When described water-to-water heat exchanger is multiple, the water out of interconnective water-to-water heat exchanger and water inlet, stretch out outside carbonated drink heat exchangers in parallel housing, be connected with the water pipe that comes of outside with return pipe.
Compared with prior art, the utility model has the following advantages and good effect:
1. gas-gas heat exchange and air water heat exchange are combined, energy echelon utilizes, and improves energy utilization efficiency;
2. adopt injection heat transfer to replace traditional pipe heat exchanger, improve energy transformation ratio, heat transfer effect is better, and the temperature of the flue gas of discharging after this device processes, drops to about 150 DEG C by 400 DEG C;
3. adopt vapor-water heat exchanger in parallel, heat exchanger at different levels can regulate separately, adds the adjustability of whole system.
Accompanying drawing explanation
The following drawings is only intended to schematically illustrate the utility model and explain, does not limit scope of the present utility model.
Fig. 1 is the waste-heat recovery device schematic diagram of continuous powder coating production line curing oven described in the utility model;
Fig. 2 is the hot air heat exchange apparatus schematic diagram of the waste-heat recovery device shown in Fig. 1;
Fig. 3 is the jet pipe schematic diagram of the apparatus of hot air heat exchange shown in Fig. 2;
Fig. 4 is the partial enlarged drawing of Fig. 3;
Fig. 5 is the carbonated drink parallel heat exchanging apparatus schematic diagram of waste-heat recovery device shown in Fig. 1.
Description of reference numerals:
1-hot air heat exchange apparatus; 2-carbonated drink parallel heat exchanging apparatus; 3-tube connector; 4-hot air heat exchanger smoke inlet; 5-jet pipe; 6-air trapping chamber; 7-hot air heat exchanger exhaust gases passes; 8-hot air heat exchanger exhanst gas outlet; 9-air intake; 10-air outlet slit; 11-hot air heat exchanger housing; 12-jet pipe air intake; 13-outer tube; Pipe in 14-; 15-jet pipe air outlet slit; 16-spurt hole; The casing smoke inlet of 17-carbonated drink parallel heat exchanging apparatus; 18-water-to-water heat exchanger water out; 19-water-to-water heat exchanger smoke inlet; 20-water-to-water heat exchanger valve; 21-water-to-water heat exchanger water inlet; 22-fume collection chamber; 23-water-to-water heat exchanger; 24-carbonated drink heat exchangers in parallel housing; 25-carbonated drink heat exchangers in parallel exhaust gases passes; 26-carbonated drink heat exchangers in parallel exhanst gas outlet.
In order to there be understanding clearly to technical characteristic of the present utility model, object and effect, now contrast accompanying drawing and detailed description of the invention of the present utility model is described.
Detailed description of the invention
See Fig. 1, the waste-heat recovery device of continuous powder coating production line curing oven described in the utility model, comprise hot air heat exchange apparatus 1 and carbonated drink parallel heat exchanging apparatus 2, the exhanst gas outlet of hot air heat exchange apparatus 1 is connected by tube connector 3 with the smoke inlet of carbonated drink parallel heat exchanging apparatus 2.The flue gas of being discharged by curing oven, smoke inlet 4 through hot air heat exchange apparatus 1 enters hot air heat exchange apparatus 1, and the heat in recovered flue gas adds hot-air, then enters by carbonated drink parallel heat exchanging apparatus 2, reclaim heat heating water, finally by exhanst gas outlet 26 directly to airborne release.
See Fig. 2, described hot air heat exchange apparatus 1 comprises, play the hot air heat exchanger housing 11 of insulation effect, hot air heat exchanger exhaust gases passes 7 is installed in hot air heat exchanger housing 11, one end of this hot air heat exchanger exhaust gases passes 7 is hot air heat exchanger smoke inlet 4, the other end is hot air heat exchanger exhanst gas outlet 8, described housing has air intake 9 and air outlet slit 10, described air intake 9 is connected with a sidewall of hot air heat exchanger exhaust gases passes 7, and Fig. 2 represents the top being positioned at hot air heat exchanger exhaust gases passes 7.Another sidewall corresponding with the sidewall connecting air intake 9, Fig. 2 represents the bottom being positioned at hot air heat exchanger exhaust gases passes 7, is provided with air trapping chamber 6, and this air trapping chamber 6 is communicated with air outlet slit 10.Be provided with in hot air heat exchanger exhaust gases passes 7 multiple perpendicular to hot air heat exchanger exhaust gases passes 7 axis, corresponding with air intake 9 and the air outlet slit 10 respectively many jet pipes 5 communicated that are communicated with passage tube wall.From the air that air intake 9 enters, enter air trapping chamber 6 through the jet pipe 5 corresponding with air intake 9, then discharged by air outlet slit 10 through the jet pipe 5 corresponding with air outlet slit 10.The flue gas of being discharged by curing oven enters from hot air heat exchanger smoke inlet 4, is discharged by hot air heat exchanger exhanst gas outlet 8, enters carbonated drink parallel heat exchanging apparatus 2, can heat the air in jet pipe 5 by tube connector 3.
See Fig. 3 and Fig. 4, described jet pipe 5, comprises the interior pipe 14 closed one end and the outer tube 13 be sleeved on outside interior pipe, and interior untight one end of pipe 14 is connected with outer duct occlusion ground, and untight one end between inner and outer pipe, forms jet pipe air outlet slit 15 between two pipes.Air enters jet pipe 5 from air intake 9 by jet pipe air intake 12, then the spurt hole 16 of the upper distribution of pipe in jet pipe is ejected on outer tube wall, after discharged by jet pipe air outlet slit 15.During installation, be positioned at the jet pipe below air intake 9, its air intake 12, towards air intake 9, is positioned at the jet pipe below air outlet slit 10, and its air intake 12 is towards air trapping chamber 6.
Flue gas is entered by described hot air heat exchanger smoke inlet 4, when flue gas flows through outside jet pipe 5 and after the air of its inside carries out heat exchange, through hot air heat exchanger exhaust gases passes 7, is entered the tube connector 3 be attached thereto by hot air heat exchanger exhanst gas outlet 8.Air enters air trapping chamber 6 from top to bottom entered the some jet pipes 5 be attached thereto by air intake 9 after, is more from bottom to top discharged by air outlet slit 10 after one group of jet pipe.In jet pipe 5 internal flow process, the outer flue gas flowed carries out heat exchange to air with jet pipe 5.The hot-air of being discharged by air outlet slit 10 may be used for the baking step in spraying process or the hot-air needed for other production lines.
The external diameter of jet pipe 5 can be set to 50mm ~ 300mm, leaves the distance of 10mm ~ 100mm during installation between tube and tube.The quantity of jet pipe 5 arranges many, then jet pipe air flow speed is slow, and jet pipe 5 quantity arranges few, then air flow speed of spraying is fast.So quantity number expect that heat exchange speed determines by reality.The wall of interior pipe 14 is uniformly distributed some spurt holes 16, the diameter 3 ~ 6mm in hole, the quantity in hole is determined according to changing amount of heat.
See Fig. 5, described carbonated drink parallel heat exchanging apparatus 2, comprise carbonated drink heat exchangers in parallel housing 24, fume collection chamber 22 is installed therein, the outlet in fume collection chamber 22 is connected with carbonated drink heat exchangers in parallel exhanst gas outlet 26, on fume collection chamber 22, connect one or more water-to-water heat exchangers 23(water-to-water heat exchanger is prior art), the size of water-to-water heat exchanger is determined by heat exchange amount, is shown as 3 little 2 large water-to-water heat exchanger water in figure.In the junction of fume collection chamber 22 and each water-to-water heat exchanger 23, water-to-water heat exchanger valve 20 is installed, is used for controlling the size by exhaust gas volumn.
Water-to-water heat exchanger water out 18 on each water-to-water heat exchanger 23 and water-to-water heat exchanger water inlet 21, stretch out outside carbonated drink heat exchangers in parallel housing 24, be connected with the water pipe that comes outside housing with return pipe.The water inlet pipe of each water-to-water heat exchanger is in parallel being connected, but the return water temperature of each water-to-water heat exchanger is variant, so backwater can also can separate in parallel connection, determines according to embody rule situation.
Flue gas is by the casing smoke inlet 17 of carbonated drink parallel heat exchanging apparatus, enter carbonated drink heat exchangers in parallel exhaust gases passes 25, and by each single water-to-water heat exchanger smoke inlet 19 by single water-to-water heat exchanger 23, finally converge in fume collection chamber, discharge through carbonated drink heat exchangers in parallel exhanst gas outlet 26 again.Wherein water is flowed into by each water-to-water heat exchanger water inlet 21, flows out carbonated drink heat exchangers in parallel housing 24 from water-to-water heat exchanger water out 18.The heat transfer process of flue gas and water occurs in each water-to-water heat exchanger 23 place, and wherein each heat exchanger is also furnished with single water-to-water heat exchanger valve 20, for controlling the flow of flue gas through water-to-water heat exchanger 23.Finally, the flue-gas temperature after described carbonated drink parallel heat exchanging apparatus 2 process can be down to about 150 DEG C.
Claims (7)
1. for the waste heat recovery apparatus of continuous powder coating production line curing oven, comprise hot air heat exchange apparatus (1), it is characterized in that: be also provided with the carbonated drink parallel heat exchanging apparatus (2) be connected with hot air heat exchange apparatus (1), the exhanst gas outlet of described hot air heat exchange apparatus (1) and the smoke inlet of carbonated drink parallel heat exchanging apparatus (2), be connected by tube connector (3), described hot air heat exchange apparatus (1) comprises, play the hot air heat exchanger housing (11) of insulation effect, hot air heat exchanger exhaust gases passes (7) is installed in hot air heat exchanger housing (11), one end of this hot air heat exchanger exhaust gases passes (7) is hot air heat exchanger smoke inlet (4), the other end is hot air heat exchanger exhanst gas outlet (8), described housing has air intake (9) and air outlet slit (10), described air intake (9) is connected with a sidewall of hot air heat exchanger exhaust gases passes (7), another sidewall relative with the sidewall connecting air intake (9), be provided with air trapping chamber (6), this air trapping chamber (6) is communicated with air outlet slit (10), be provided with perpendicular to hot air heat exchanger exhaust gases passes (7) axis in hot air heat exchanger exhaust gases passes (7), be communicated with passage tube wall, the jet pipe (5) that communicate corresponding to air intake (9) and air outlet slit (10) respectively.
2. the waste heat recovery apparatus for continuous powder coating production line curing oven according to claim 1, it is characterized in that: described jet pipe (5), comprise the interior pipe closed one end and the outer tube (13) be sleeved on outside interior pipe, interior pipe (14) untight one end and outer tube (13) are connected closedly, in, untight one end between outer tube, jet pipe air outlet slit (15) is formed between two pipes, the wall of interior pipe (14) is uniformly distributed spurt hole (16), be positioned at the jet pipe of air intake (9) below, its air intake (12) is towards air intake (9), be positioned at the jet pipe of air outlet slit (10) below, its air intake (12) is towards air trapping chamber (6).
3. the waste heat recovery apparatus for continuous powder coating production line curing oven according to claim 1 and 2, it is characterized in that: the external diameter of described jet pipe (5) is 50mm ~ 300mm, the aperture of described spurt hole (16) is 3 ~ 6mm, leaves the distance of 10mm ~ 100mm during installation between tube and tube.
4. the waste heat recovery apparatus for continuous powder coating production line curing oven according to claim 1 and 2, it is characterized in that: described carbonated drink parallel heat exchanging apparatus (2), comprise carbonated drink heat exchangers in parallel housing (24), fume collection chamber (22) is installed therein, the outlet in fume collection chamber (22) is connected with carbonated drink heat exchangers in parallel exhanst gas outlet (26), at least one water-to-water heat exchanger (23) is connected with on fume collection chamber (22), in the junction of fume collection chamber (22) and water-to-water heat exchanger (23), water-to-water heat exchanger valve (20) is installed, water-to-water heat exchanger water out (18) on each water-to-water heat exchanger (23) and water-to-water heat exchanger water inlet (21), stretch out carbonated drink heat exchangers in parallel housing (24) outward, be connected with the water inlet return pipe outside housing.
5. the waste heat recovery apparatus for continuous powder coating production line curing oven according to claim 3, it is characterized in that: described carbonated drink parallel heat exchanging apparatus (2), comprise carbonated drink heat exchangers in parallel housing (24), fume collection chamber (22) is installed therein, the outlet in fume collection chamber (22) is connected with carbonated drink heat exchangers in parallel exhanst gas outlet (26), at least one water-to-water heat exchanger (23) is connected with on fume collection chamber (22), in the junction of fume collection chamber (22) and water-to-water heat exchanger (23), water-to-water heat exchanger valve (20) is installed, water-to-water heat exchanger water out (18) on each water-to-water heat exchanger (23) and water-to-water heat exchanger water inlet (21), stretch out carbonated drink heat exchangers in parallel housing (24) outward, be connected with the water inlet return pipe outside housing.
6. the waste heat recovery apparatus for continuous powder coating production line curing oven according to claim 4, it is characterized in that: described water-to-water heat exchanger (23) is for time multiple, the water out (18) of interconnective water-to-water heat exchanger and water inlet (21), stretch out carbonated drink heat exchangers in parallel housing (24) outward, be connected with return pipe with the water pipe that comes of outside.
7. the waste heat recovery apparatus for continuous powder coating production line curing oven according to claim 5, it is characterized in that: described water-to-water heat exchanger (23) is for time multiple, the water out (18) of interconnective water-to-water heat exchanger and water inlet (21), stretch out carbonated drink heat exchangers in parallel housing (24) outward, be connected with return pipe with the water pipe that comes of outside.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520203209.8U CN204612441U (en) | 2015-04-07 | 2015-04-07 | For the waste-heat recovery device of continuous powder coating production line curing oven |
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| CN201520203209.8U CN204612441U (en) | 2015-04-07 | 2015-04-07 | For the waste-heat recovery device of continuous powder coating production line curing oven |
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| CN204612441U true CN204612441U (en) | 2015-09-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104792146A (en) * | 2015-04-07 | 2015-07-22 | 北京京诚之星科技开发有限公司 | Waste heat recovery device used for continuous powder coating production line curing oven |
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- 2015-04-07 CN CN201520203209.8U patent/CN204612441U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104792146A (en) * | 2015-04-07 | 2015-07-22 | 北京京诚之星科技开发有限公司 | Waste heat recovery device used for continuous powder coating production line curing oven |
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