CN204953273U - Outer circulation system of hot -blast energy -conservation of coating oven - Google Patents
Outer circulation system of hot -blast energy -conservation of coating oven Download PDFInfo
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- CN204953273U CN204953273U CN201520603836.0U CN201520603836U CN204953273U CN 204953273 U CN204953273 U CN 204953273U CN 201520603836 U CN201520603836 U CN 201520603836U CN 204953273 U CN204953273 U CN 204953273U
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- hot blast
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Abstract
The embodiment of the utility model discloses outer circulation system of hot -blast energy -conservation of coating oven, it is in to include that the organic solvent waste gas that produces a plurality of coating stations is carried to the waste gas main duct way of thermal oxide stove after -combustion, is set up heat exchange system on the thermal oxide stove gas outlet, and will heat exchange system passes through the new trend fan with hot -blast transport extremely inlet manifold way on the coating station, the change -over valve is right organic solvent waste gas burns and preheats input and cooling discharge furnace. Adopt the utility model discloses, can recycle burning at the produced waste gas that contains organic solvent of coating technology in -process to heat that will be produced is collected the restock through heat exchange system and is supplied with to dry in the inlet manifold way and use, the utility model discloses only need to use the combustor starting a small amount of diesel oil of starting stage use in the use, the normal heat energy that follow -up operation in -process used the waste gas burning supply can satisfy the system is supplied with, when guaranteeing coating quality, has reduced the consumption to the energy effectively.
Description
Technical field
The utility model relates to a kind of hot blast energy circulatory system, particularly relates to one and is applied to coater oven hot blast cycles, economized reutilization system.
Background technology
In packaging, need in the coated film production process of print field to dry the slurry on base material, existing furnace drying method mainly adopts conduction, heat radiation and these three kinds of modes of convection current, wherein general with convection type application, hot blast is adopted to carry out blowing hot wind to the base material to be dried advanced in an oven, at baking oven tail end, the hot blast extraction in it is again circulated and partly enters air, the stationarity ensureing base material is needed in the process of blowing hot wind, cause its rate of drying slow, consume a large amount of energy, the molten Ji of a large amount of volatility is contained in the offgas toward contact, cause air pollution again.
Also the air inlet using a part of waste gas access heat exchanger is had in prior art, intention saves the energy, but after prolonged circulation, because dust in baking oven and solvent raise, while affecting the coating quality of coated film, there is potential safety hazard on fire from explosion in the solvent waste gas of the high concentration gathered.
Summary of the invention
The utility model embodiment technical problem to be solved is, provides a kind of coater oven hot blast energy-conservation external circulating system.Burn cycle utilization can be carried out to the organic solvent that coater oven produces, waste gas be made full use of again, significantly reduces the consumption to the energy.
In order to solve the problems of the technologies described above, the utility model embodiment provides the energy-conservation external circulating system of a kind of coater oven hot blast, comprise the waste gas header road waste organic solvent gas that some coating stations produce being delivered to thermal oxidation furnace and again burning, the heat-exchange system be arranged on described thermal oxidation furnace gas outlet, and hot blast to be delivered to the inlet manifold road on described coating station by described heat-exchange system by new wind blower fan;
Described waste gas header road is provided with the new wind air door for control piper negative pressure; Described thermal oxidation furnace at least has two ceramic heat storage bodies, and described waste gas header road coordinates switching valve to carry out burning preheating input and cooling discharge burner hearth to described waste organic solvent gas by blower fan.
Further, the normally closed air door of supplementary high-temperature gas is provided with between the burner hearth of described thermal oxidation furnace and described gas outlet.
Further, form-130Pa ~-100Pa negative pressure between described waste gas header road and described thermal oxidation furnace, burning preheating input EGT is 35 DEG C ~ 80 DEG C.
Further, the input and output draught head of described thermal oxidation furnace is 190Pa ~ 1000Pa, and effluent air temp is 80 DEG C ~ 180 DEG C.
Further, it is 145 DEG C ~ 165 DEG C that described heat-exchange system exports gas temperature through described new wind blower fan, and air pressure is 250Pa ~ 350Pa.
Implement the utility model embodiment, there is following beneficial effect: burning recycling can be carried out to the waste gas containing organic solvent produced in coating process by the utility model, and produced heat is undertaken collecting by heat-exchange system to be complemented in inlet manifold road supply again and to dry and use, the utility model in use only need use burner to use a small amount of diesel oil in the startup starting stage, use waste gas burning supply can meet the normal heat energy supply of system in follow-up operation process, while guarantee coating quality, efficiently reduce the consumption to the energy.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present utility model;
Fig. 2 is the structural representation of production line state;
Fig. 3 is the structural representation that heat changes system.
Detailed description of the invention
For making the purpose of this utility model, technical scheme and advantage clearly, below in conjunction with accompanying drawing, the utility model is described in further detail.
With reference to the structural representation of the present utility model shown in Fig. 1 ~ 3.
The energy-conservation external circulating system of a kind of coater oven hot blast of the utility model embodiment, includes thermal oxidation furnace 10, waste gas header road 20, heat-exchange system 30, inlet manifold road 40.
The waste organic solvent gas of generation is delivered to thermal oxidation furnace 10 by waste gas header road 20, main air blower 21 and again burns by some coating stations 50, in the present embodiment, thermal oxidation furnace 10 has two ceramic heat storage bodies 11,12, and coordinates changing in waste organic solvent gas is alternately conveyed into thermal oxidation furnace 10 by valve 13,14 burner hearth from two ceramic heat storage bodies 11,12 of two cooperations, two threeways to burn.
As shown in Figure 1, waste organic solvent gas carries out burning preheating by switching valve 14 by ceramic heat storage body 12, waste organic solvent gas is preheated to 854 DEG C from 40 DEG C, burn in the burner hearth entering thermal oxidation furnace 10, again the gas after burning is carried out energy-absorbing cooling through ceramic heat storage body 11, gas is reduced to be appropriate to the temperature 162 DEG C needed for coating process, inputs heat-exchange system 30 by switching valve 13.
In order to balance the temperature of ceramic heat storage body 11,12 after repeatedly air inlet, by switch transition valve 13,14, gas circuit is exchanged.
Heat-exchange system 30 is connected with the delivery outlet of switching valve 13,14, and is connected with the furnace exit mouth of thermal oxidation furnace 10 by normally closed air door 15.
Waste gas header road 20 is provided with new wind air door 22, for the negative pressure of control piper.
Structural representation as shown in Figure 3.
The heat that heat-exchange system 30 is drawn by new wind blower fan 31 returns with the form of hot blast and is delivered to inlet manifold road 40, and supply coating station 50 utilizes again.
Utility model works flow process is as follows, coordinate diesel pump 17 that system rapidly pre-warming can be shut down to duty when starting native system by combustion fan 16, switching valve 13 is sent to by main air blower 21 at the waste organic solvent gas of the generation of some coating station 50 oven dry, 14, by the rotating speed of control main air blower 21 and the opening degree of new wind air door 22, waste gas header road 20 is made to produce-130Pa ~-100Pa negative pressure, input ceramic heat storage body 11, the EGT of 12 is 35 DEG C ~ 80 DEG C, 854 DEG C are preheated to by ceramic heat storage body 14 pairs of machine solvent waste gas, after entering hearth combustion, gas carries out reduction temperature to 80 DEG C ~ 180 DEG C by ceramic heat storage body 11, discharged by switching valve 13, after thermal oxidation furnace 10 burns, input and output draught head is 190Pa ~ 1000Pa, the gas of discharge is drawn heat energy through heat-exchange system 30, will be recycled to some coating stations 50 recycle by new wind blower fan 31 with hot blast, the temperature that new wind blower fan exports gas to be provided is 145 DEG C ~ 165 DEG C, and air pressure is 250Pa ~ 350Pa.When the hot blast temperature recycled is not up to standard, regulate temperature by controlling normally closed air door 15.
The utility model to be supplied gas thermal evaporation stove combustion by the waste organic solvent gas that produced by coating station, prevent from directly harmful substance being entered air, the heat that burning produces is reclaimed by heat-exchange system, use new wind generation hot blast to be recycled on coating station to use, thermal oxidation furnace consumes a small amount of diesel oil when starting, after making system enter duty, use machine solvent waste gas burning can maintain the oven dry hot blast heat energy of system, the little consumption subtracted the energy that the utility model entirety is effective, it also avoid and produce pollution to air.
Above disclosedly be only a kind of preferred embodiment of the utility model, certainly can not limit the interest field of the utility model with this, therefore according to the equivalent variations that the utility model claim is done, still belong to the scope that the utility model is contained.
Claims (5)
1. the energy-conservation external circulating system of coater oven hot blast, it is characterized in that, comprise the waste gas header road waste organic solvent gas that some coating stations produce being delivered to thermal oxidation furnace and again burning, the heat-exchange system be arranged on described thermal oxidation furnace gas outlet, and hot blast to be delivered to the inlet manifold road on described coating station by described heat-exchange system by new wind blower fan;
Described waste gas header road is provided with the new wind air door for control piper negative pressure; Described thermal oxidation furnace at least has two ceramic heat storage bodies, and described waste gas header road coordinates switching valve to carry out burning preheating input and cooling discharge burner hearth to described waste organic solvent gas by blower fan.
2. the energy-conservation external circulating system of coater oven hot blast according to claim 1, is characterized in that, is provided with the normally closed air door of supplementary high-temperature gas between the burner hearth of described thermal oxidation furnace and described gas outlet.
3. the energy-conservation external circulating system of coater oven hot blast according to claim 2, is characterized in that, forms-130Pa ~-100Pa negative pressure between described waste gas header road and described thermal oxidation furnace, and burning preheating input EGT is 35 DEG C ~ 80 DEG C.
4. the energy-conservation external circulating system of coater oven hot blast according to claim 3, is characterized in that, the input and output draught head of described thermal oxidation furnace is 190Pa ~ 1000Pa, and effluent air temp is 80 DEG C ~ 180 DEG C.
5. the energy-conservation external circulating system of coater oven hot blast according to claim 4, is characterized in that, it is 145 DEG C ~ 165 DEG C that described heat-exchange system exports gas temperature through described new wind blower fan, and air pressure is 250Pa ~ 350Pa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520603836.0U CN204953273U (en) | 2015-08-12 | 2015-08-12 | Outer circulation system of hot -blast energy -conservation of coating oven |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520603836.0U CN204953273U (en) | 2015-08-12 | 2015-08-12 | Outer circulation system of hot -blast energy -conservation of coating oven |
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| CN204953273U true CN204953273U (en) | 2016-01-13 |
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| CN201520603836.0U Active CN204953273U (en) | 2015-08-12 | 2015-08-12 | Outer circulation system of hot -blast energy -conservation of coating oven |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105013680A (en) * | 2015-08-12 | 2015-11-04 | 广东鑫瑞新材料科技有限公司 | Hot air energy-saving circulation system of coating drying oven |
| CN110118358A (en) * | 2019-04-26 | 2019-08-13 | 陕西宝昱科技工业有限公司 | A kind of gluing machine exhaust-gas efficient circulatory system and method |
-
2015
- 2015-08-12 CN CN201520603836.0U patent/CN204953273U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105013680A (en) * | 2015-08-12 | 2015-11-04 | 广东鑫瑞新材料科技有限公司 | Hot air energy-saving circulation system of coating drying oven |
| CN105013680B (en) * | 2015-08-12 | 2017-09-29 | 广东鑫瑞新材料科技有限公司 | A kind of coater oven hot blast energy saving circulating system |
| CN110118358A (en) * | 2019-04-26 | 2019-08-13 | 陕西宝昱科技工业有限公司 | A kind of gluing machine exhaust-gas efficient circulatory system and method |
| CN110118358B (en) * | 2019-04-26 | 2024-01-26 | 陕西宝昱科技工业股份有限公司 | Efficient circulating system and method for waste gas of gluing machine |
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