CN201302399Y - Waste gas afterheat recovery device of composite coating machine - Google Patents
Waste gas afterheat recovery device of composite coating machine Download PDFInfo
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- CN201302399Y CN201302399Y CNU2008202025573U CN200820202557U CN201302399Y CN 201302399 Y CN201302399 Y CN 201302399Y CN U2008202025573 U CNU2008202025573 U CN U2008202025573U CN 200820202557 U CN200820202557 U CN 200820202557U CN 201302399 Y CN201302399 Y CN 201302399Y
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- fresh air
- waste gas
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Abstract
The utility model discloses a waste gas afterheat recovery device of a composite coating machine, which is characterized by comprising a waste gas passage, a fresh air passage and a heat exchanger, wherein the waste gas passage and the fresh air passage are mutually independent, the heat exchanger is mounted between the waste gas passage and the fresh air passage, a heat conducting portion of the heat exchanger is located in the waste gas passage, and another heat conducting portion of the heat exchanger is located in the fresh air passage. For the waste gas passage and the fresh air passage are mutually independent, fresh air in the fresh air passage does not contain volatile solvent, and the consistency of volatile solvent contained by gas in a baking oven can not be increased, thereby enabling the consistency of volatile solvent contained by gas in the baking oven to be effectively controlled and guaranteeing the consistency of volatile solvent contained by gas in the baking oven not to be higher than the lowest explosive limit consistency LEL of the volatile solvent gas. Therefore, the waste gas afterheat recovery device does not explode, thereby guaranteeing production safety, simultaneously, through the heat conduction action of the heat exchanger, the waste gas afterheat recovery device can effectively utilize the afterheat of waste gas discharged by the baking oven.
Description
Technical field
The utility model relates to a kind of waste gas afterheat recovery unit, more particularly, relates to a kind of waste gas afterheat recovery unit of coating complex machine.
Background technology
Existing coating complex machine generally comprises parts such as unwinding device, apparatus for coating, set composite, baking oven and wrap-up, and wherein, baking oven is one of important composition parts of coating complex machine.
When baking oven carried out heat drying to base materials such as the various paperboards that are coated with coating material, films, its temperature of waste gas that baking oven is discharged was very high, if high-temp waste gas is directly discharged and do not recycled from baking oven, will waste a large amount of waste heats; If circulation directly is input to high-temp waste gas in the baking oven from the inlet of baking oven in adopting, though can make full use of the waste heat of high-temp waste gas like this, but, when baking oven carries out heat drying to those coating materials that contain organic solvent, the waste gas that baking oven is discharged contains a certain amount of volatile solvent, will make the concentration increase that contains volatile solvent of gas in the baking oven like this, when the concentration that contains volatile solvent when the gas in the baking oven surpasses the minimum concentration of lower explosive limit LEL of volatile solvent gas, just blast easily, cause danger.
In the today of advocating energy-conserving and environment-protective, how safely, effectively utilize the waste heat that the coating complex machine baking oven is discharged high-temp waste gas, become a urgent problem.
Summary of the invention
The technical problems to be solved in the utility model provides a kind of waste gas afterheat recovery unit of coating complex machine, and this device can be safely, effectively utilize the waste heat that the coating complex machine baking oven is discharged high-temp waste gas.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is as follows:
A kind of waste gas afterheat recovery unit of coating complex machine, it is characterized in that: comprise exhaust steam passage, fresh air passage and heat exchanger, above-mentioned exhaust steam passage and fresh air passage are separate, above-mentioned heat exchanger is installed between exhaust steam passage and the fresh air passage, one thermal conduction portions of heat exchanger is positioned at exhaust steam passage, and another thermal conduction portions of heat exchanger is positioned at the fresh air passage.
When the process of the high-temp waste gas in exhaust steam passage heat exchanger, its heat transferred heat exchanger, heat exchanger again with in the heat transferred fresh air passage from the fresh air of its process, like this, by the conductive force of heat exchanger, the heat of waste gas in the exhaust steam passage is changed to the fresh air in the fresh air passage.
Because exhaust steam passage and fresh air passage are separate, so, fresh air in the fresh air passage does not contain volatile solvent, can not increase the concentration that the interior gas of baking oven contains volatile solvent, the concentration that makes gas in the baking oven contain volatile solvent is effectively controlled, and has guaranteed that concentration that gas in the baking oven contains volatile solvent can not surpass the minimum concentration of lower explosive limit LEL of volatile solvent gas, thereby, can not blast, guarantee production safety; Simultaneously, by the conductive force of heat exchanger, also can effectively utilize the waste heat that baking oven is discharged high-temp waste gas.
In order further to put forward the utilization rate of waste gas residual heat, described heat exchanger preferably is installed in the porch near exhaust steam passage.
As preferred structure of the present utility model, between described exhaust steam passage and the fresh air passage coupling part is arranged, above-mentioned heat exchanger is installed on the coupling part of exhaust steam passage and fresh air passage.
As more preferably structure of the present utility model, vertical setting between described exhaust steam passage and the fresh air passage.
Described heat exchanger comprises at least one heat pipe, and the part of heat pipe is positioned at exhaust steam passage, and another part of heat pipe is positioned at the fresh air passage;
Described heat pipe preferably adopts the material of the high thermal conductivity that superconductor technology makes to make.Can improve the capacity of heat transmission of heat pipe like this.
In order further to improve the capacity of heat transmission of heat exchanger, described heat exchanger also comprises at least two conducting strips, and heat pipe part in the above-mentioned exhaust steam passage and the heat pipe part in the fresh air passage all are installed with above-mentioned conducting strip;
Described conducting strip can be the conducting strip that whole piece is provided with a plurality of through holes, and this conducting strip is fixedly mounted on the heat pipe by its through hole;
Described conducting strip also can be the little conducting strip that a slice is provided with a through hole, and every little conducting strip is fixedly mounted on the heat pipe by its through hole.
In order further to put forward the utilization rate of waste gas residual heat, be provided with the gas flow regulating valve door in described exhaust steam passage and/or the fresh air passage.By the above-mentioned gas flow control valve, can regulate the flow of gas in the passage, thereby improve the utilization rate of waste gas residual heat widely.
The utility model beneficial effect against existing technologies is, because exhaust steam passage and fresh air passage are separate, so, fresh air in the fresh air passage does not contain volatile solvent, can not increase the concentration that the interior gas of baking oven contains volatile solvent, the concentration that makes the interior gas of baking oven contain volatile solvent is effectively controlled, guaranteed that concentration that gas in the baking oven contains volatile solvent can not surpass the minimum concentration of lower explosive limit LEL of volatile solvent gas, thereby, can not blast, guarantee production safety; Simultaneously, by the conductive force of heat exchanger, also can effectively utilize the waste heat that baking oven is discharged high-temp waste gas, its utilization rate of waste heat can reach 85%～90%.In addition, the material of the high thermal conductivity that the heat pipe of heat exchanger employing superconductor technology is made is made, thereby improves the capacity of heat transmission of heat exchanger widely.
Below in conjunction with the drawings and specific embodiments the utility model is described further.
Description of drawings
Fig. 1 is the structural representation of the utility model preferred embodiment 1;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 be among Fig. 1 A-A to profile;
Fig. 4 is the structural representation of the utility model preferred embodiment 2;
Fig. 5 be among Fig. 4 B-B to profile.
The specific embodiment
Embodiment 1
As Fig. 1, Fig. 2 and shown in Figure 3, the waste gas afterheat recovery unit of the coating complex machine in this preferred embodiment comprises exhaust steam passage 1, fresh air passage 2 and heat exchanger 3;
Above-mentioned exhaust steam passage 1 and fresh air passage 2 are separate, vertical setting between exhaust steam passage 1 and the fresh air passage 2, exhaust steam passage 1 and fresh air passage 2 are connected at infall, and the coupling part 12 of exhaust steam passage 1 and fresh air passage 2 is near the porch of exhaust steam passage 1; The inlet of exhaust steam passage 1 is connected with the outlet of baking oven, and 2 outlets of fresh air passage are connected with the inlet of baking oven.
Above-mentioned heat exchanger 3 comprises many row's heat pipes 31 and multi-disc conducting strip 32, the material of the high thermal conductivity that above-mentioned heat pipe 31 employing superconductor technologies are made is made, heat pipe 31 is installed on the coupling part 12 of exhaust steam passage 1 and fresh air passage 2, and coupling part 12 is near the porch of exhaust steam passage 1; The part 311 of heat pipe 31 is positioned at exhaust steam passage 1, and another part 312 of heat pipe 31 is positioned at fresh air passage 2; The conducting strip of above-mentioned conducting strip 32 a plurality of through holes 320 for whole piece is provided with, this conducting strip 32 is fixedly mounted on the heat pipe part 311 and the heat pipe part 312 in the fresh air passage 2 in the exhaust steam passage 1 by its through hole 320.
In order further to put forward the utilization rate of waste gas residual heat, be provided with gas flow regulating valve door 10 in the above-mentioned exhaust steam passage 1, be provided with gas flow regulating valve door 20 in the above-mentioned fresh air passage 2.
The direction indication gas flow direction of arrow among Fig. 1 and Fig. 2, when the high-temp waste gas in the exhaust steam passage 1 during through the heat pipe 31 of heat exchanger 3 and conducting strip 32, the heat pipe 31 of its heat transferred heat exchanger 3 and conducting strip 32, the heat pipe 31 of heat exchanger 3 and conducting strip 32 are again with heat transferred fresh air passage 1 interior fresh air from its process, like this, by the conductive force of heat exchanger 3, the heat of waste gas in the exhaust steam passage 1 is changed to the fresh air in the fresh air passage 2.
Simultaneously,, adjust the flow of gases in exhaust steam passage 1, the fresh air passage 2, thereby improved the utilization rate of waste gas residual heat widely by gas flow regulating valve door 10 in the adjusting exhaust steam passage 1 and the gas flow regulating valve door 20 in the fresh air passage 2.
As shown in Figure 4 and Figure 5, the conducting strip 32 among the embodiment 2 is provided with the little conducting strip of a through hole 320 for a slice, and every little conducting strip is fixedly mounted on the heat pipe 31 by its through hole 320.
Claims (9)
1, a kind of waste gas afterheat recovery unit of coating complex machine, it is characterized in that: comprise exhaust steam passage, fresh air passage and heat exchanger, above-mentioned exhaust steam passage and fresh air passage are separate, above-mentioned heat exchanger is installed between exhaust steam passage and the fresh air passage, one thermal conduction portions of heat exchanger is positioned at exhaust steam passage, and another thermal conduction portions of heat exchanger is positioned at the fresh air passage.
2, the waste gas afterheat recovery unit of coating complex machine as claimed in claim 1 is characterized in that: described heat exchanger is installed in the porch near exhaust steam passage.
3, the waste gas afterheat recovery unit of coating complex machine as claimed in claim 1 is characterized in that: between described exhaust steam passage and the fresh air passage coupling part is arranged, above-mentioned heat exchanger is installed on the coupling part of exhaust steam passage and fresh air passage.
4, the waste gas afterheat recovery unit of coating complex machine as claimed in claim 3 is characterized in that: vertical setting between described exhaust steam passage and the fresh air passage.
5, as the waste gas afterheat recovery unit of each described coating complex machine in the claim 1 to 4, it is characterized in that: described heat exchanger comprises at least one heat pipe, the part of heat pipe is positioned at exhaust steam passage, and another part of heat pipe is positioned at the fresh air passage.
6, the waste gas afterheat recovery unit of coating complex machine as claimed in claim 5, it is characterized in that: described heat exchanger also comprises at least two conducting strips, and heat pipe part in the above-mentioned exhaust steam passage and the heat pipe part in the fresh air passage all are installed with above-mentioned conducting strip.
7, the waste gas afterheat recovery unit of coating complex machine as claimed in claim 6 is characterized in that: described conducting strip is the conducting strip that whole piece is provided with a plurality of through holes, and this conducting strip is fixedly mounted on the heat pipe by its through hole.
8, the waste gas afterheat recovery unit of coating complex machine as claimed in claim 6 is characterized in that: described conducting strip is the little conducting strip that a slice is provided with a through hole, and every little conducting strip is fixedly mounted on the heat pipe by its through hole.
9, the waste gas afterheat recovery unit of coating complex machine as claimed in claim 6 is characterized in that: be provided with the gas flow regulating valve door in described exhaust steam passage and/or the fresh air passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202025573U CN201302399Y (en) | 2008-10-24 | 2008-10-24 | Waste gas afterheat recovery device of composite coating machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202025573U CN201302399Y (en) | 2008-10-24 | 2008-10-24 | Waste gas afterheat recovery device of composite coating machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201302399Y true CN201302399Y (en) | 2009-09-02 |
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ID=41086025
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202025573U Expired - Lifetime CN201302399Y (en) | 2008-10-24 | 2008-10-24 | Waste gas afterheat recovery device of composite coating machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201302399Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101804718A (en) * | 2010-02-10 | 2010-08-18 | 孙宗长 | Device and method for reducing gas discharge value and lowering drying energy consumption for dry laminating machine |
| CN105202896A (en) * | 2015-10-20 | 2015-12-30 | 浙江阳阳包装有限公司 | Exhaust gas recovery device for solvent-free compound machine |
| CN108067083A (en) * | 2018-01-24 | 2018-05-25 | 德阳天赐塑胶有限责任公司 | A kind of coating complex machine device for recycling exhaust gas |
-
2008
- 2008-10-24 CN CNU2008202025573U patent/CN201302399Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101804718A (en) * | 2010-02-10 | 2010-08-18 | 孙宗长 | Device and method for reducing gas discharge value and lowering drying energy consumption for dry laminating machine |
| CN101804718B (en) * | 2010-02-10 | 2013-03-27 | 孙宗长 | Device and method for reducing gas discharge value and lowering drying energy consumption for dry laminating machine |
| CN105202896A (en) * | 2015-10-20 | 2015-12-30 | 浙江阳阳包装有限公司 | Exhaust gas recovery device for solvent-free compound machine |
| CN108067083A (en) * | 2018-01-24 | 2018-05-25 | 德阳天赐塑胶有限责任公司 | A kind of coating complex machine device for recycling exhaust gas |
| CN108067083B (en) * | 2018-01-24 | 2023-08-11 | 德阳天赐塑胶有限责任公司 | Coating compounding machine waste gas recycle device |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090902 |