CN217109591U - Energy-conserving circulation system of RTO stove thermal energy comprehensive utilization is scribbled to color - Google Patents
Energy-conserving circulation system of RTO stove thermal energy comprehensive utilization is scribbled to color Download PDFInfo
- Publication number
- CN217109591U CN217109591U CN202220695349.1U CN202220695349U CN217109591U CN 217109591 U CN217109591 U CN 217109591U CN 202220695349 U CN202220695349 U CN 202220695349U CN 217109591 U CN217109591 U CN 217109591U
- Authority
- CN
- China
- Prior art keywords
- furnace
- unit
- heat
- energy
- waste gas
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model discloses a color-coated RTO furnace heat energy comprehensive utilization energy-saving circulating system, which comprises a waste gas generating and collecting unit, a regenerative furnace combustion oxidation unit, a mixing distribution unit and a heat supplementing furnace rear heating unit which are sequentially communicated, wherein the heat supplementing furnace rear heating unit is communicated with the waste gas generating and collecting unit; the mixing and distributing unit is also communicated with a waste gas heat exchange unit which is communicated with a waste gas generating and collecting unit. The system combines a waste gas treatment system and an energy consumption system together, and realizes the purposes of energy conservation, consumption reduction and emission reduction by unified utilization.
Description
Technical Field
The utility model relates to a sheet metal continuous production field, concretely relates to energy-conserving circulation system of RTO stove heat energy comprehensive utilization is scribbled to coloured silk.
Background
At present, environmental protection and energy conservation become the main melody of product production and processing enterprises, especially strip steel color coating production enterprises, on one hand, organic waste gas generated in the coating process pollutes air and harms human health, and the organic waste gas needs to be purified, treated and discharged up to the standard; on the other hand, energy and natural gas consumption in the drying system and heat energy loss of the gas furnace and the curing furnace need to be reduced, and energy conservation and consumption reduction are needed. In the conventional production, the organic waste gas purification and drying system are separately implemented, so that the treatment mode can cause great energy waste and seriously reduce the production benefit.
Disclosure of Invention
To the technical problem, the utility model discloses a color-coated RTO stove heat energy comprehensive utilization energy-saving circulating system, this system combine exhaust-gas treatment system and energy consumption system together, and unified utilization reaches energy-conservation, consumption reduction, emission reduction's purpose.
A color-coated RTO furnace heat energy comprehensive utilization energy-saving circulating system comprises a waste gas generating and collecting unit, a regenerative furnace combustion oxidation unit, a mixing and distributing unit and a heat supplementing furnace rear heat supply unit which are sequentially communicated, wherein the heat supplementing furnace rear heat supply unit is communicated with the waste gas generating and collecting unit; the mixing and distributing unit is also communicated with a waste gas heat exchange unit which is communicated with a waste gas generating and collecting unit.
Preferably, the waste gas heat exchange unit is communicated with a chimney, and the chimney is provided with an online monitoring unit.
Preferably, a combustion fan is configured in the heat supply unit behind the heat supplementing furnace.
Preferably, a grade filtering unit and a molecular sieve adsorption concentration unit are arranged between the waste gas generating and collecting unit and the regenerative furnace combustion oxidation unit.
Preferably, the molecular sieve adsorption concentration unit is provided with a desorption fan.
Preferably, the waste gas generating and collecting unit comprises a bottom coating curing furnace, a surface coating curing furnace and a chemical coating curing furnace which are sequentially arranged along the production process, each curing furnace is provided with a waste gas electric valve, and the three curing furnaces are communicated with the heat supply unit behind the heat supplementing furnace through waste gas fans.
Preferably, all three curing furnaces are provided with circulating fans.
Preferably, the after-heat-supply unit of the heat-supplementing furnace includes a heat-storage combustion furnace, and the heat-storage combustion furnace is provided with a plurality of heat storages.
Preferably, the waste gas heat exchange unit comprises a fresh air heat exchanger and a water heat exchanger which are sequentially communicated, the fresh air heat exchanger is communicated with the mixing and distributing unit, and the water heat exchanger is communicated with the chimney.
Preferably, the fresh air heat exchanger is also communicated with a drying unit, and the water heat exchanger is also communicated with a cleaning working section.
The utility model has the advantages that:
VOC waste gas generated by the curing furnace is collected by an electric valve and is conveyed to an RTO heat storage combustion furnace under the action of a waste gas fan, part of the waste gas after being combusted by the heat storage combustion furnace is conveyed into a hot air heat exchanger and a water heat exchanger through a mixing chamber, heat contained in the waste is evacuated, and then the waste gas is purified and discharged through a chimney by a smoke exhaust fan. Because of the treatment of the RTO heat-storage combustion furnace, the content of benzene, toluene and xylene contained in the waste gas can be greatly reduced, and the aim of reducing the treatment cost of the waste gas is achieved.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of the structure of the present invention;
in the figure, 1, a waste gas collecting unit, 1.1, a bottom coating curing furnace, 1.2, a top coating curing furnace, 1.3, a chemical coating curing furnace, 2, a grade filtering unit, 3, a molecular sieve adsorption concentration unit, 4, a waste gas fan, 5, a regenerative furnace combustion oxidation unit, 5.1, a regenerative combustion furnace, 5.2, a heat accumulator, 6, a mixing distribution unit, 7, a heat supply unit behind a heat supplementing furnace, 8, a coating chamber, 9, a waste gas heat exchange unit, 9.1, a fresh air heat exchanger, 9.2, a water heat exchanger, 10, a hot water circulating pump, 11, a smoke exhaust fan, 12, a chimney, 13 an online monitoring unit, 15, a cleaning section, 16, a drying unit, 17, a circulating fan, 18, a combustion-supporting fan, 19 and a desorption fan.
Detailed Description
The utility model discloses an energy-conserving circulation system of RTO stove heat energy comprehensive utilization is scribbled to coloured silk as shown in figure 1, this system is including the washing workshop section 15 that communicates in proper order, drying unit 16, scribble room 8, prime coat curing oven 1.1, face coat curing oven 1.2, the curing oven 1.3 is scribbled to the ization, every exhaust emission port of three curing oven all disposes waste gas motorised valve 1.4, three exhaust emission port communicates exhaust air fan 4 jointly, carry VOC waste gas to heat accumulation combustion furnace 5.1 through this exhaust air fan 4, this heat accumulation fires burning furnace and disposes a plurality of heat accumulators 5.2. After the combustion of the heat storage combustion furnace, a part of VOC gas is removed, the produced water, carbon dioxide and the rest part of VOC gas are conveyed to a mixing distribution unit 6, the mixing distribution unit fully mixes the gas, and then a part of mixed gas is conveyed to a heat exchange unit consisting of a fresh air heat exchanger 9.1 and a water heat exchanger 9.2 for heat exchange, and is discharged through an extension 12 after being input by the power of a smoke exhaust fan, and an online monitoring unit 13 is arranged at a chimney to monitor the content of VOC in waste gas. The other part of the mixed gas is conveyed to the heat supply unit 7 behind the heat supplementing furnace, and is conveyed to only the curing furnaces again for combustion under the power action of the combustion fan 18, and in order to improve the utilization rate of waste gas and accelerate the combustion of plastics, each curing furnace is provided with a circulating fan 17.
In the heat exchange unit, the fresh air heat exchanger 9.2 is communicated with the drying unit 16 to heat the drying unit for auxiliary drying. The water heat exchanger is pressurized by a hot water circulating pump 10 and then communicated with a cleaning section 15 to assist in heating the environmental temperature of the cleaning section.
The coating chamber 8 is also communicated with a grade filtering unit 2 consisting of a three-stage filter and a molecular sieve adsorption concentration unit 3 consisting of a rotary wheel molecular sieve through a waste gas electric valve, and the filtered and concentrated waste gas is discharged through a chimney 12 under the power action of a smoke exhaust fan 11.
The galvanized color plate can generate waste gas when passing through a coating chamber 8, a primer curing furnace 1.1, a finish curing furnace 1.2 and a chemical coating curing furnace 1.3, the waste gas generated in the primer curing furnace, the finish curing furnace and the chemical coating curing furnace is VOC and mainly comprises benzene, toluene and xylene, the waste gas can be collected by a pipeline and enters an RTO heat storage combustion furnace 5.1 for combustion and heat release, and then the heat is pushed by a fan to enter the primer curing furnace, the finish curing furnace and the chemical coating curing furnace for recycling, so that the purposes of energy conservation and consumption reduction are achieved.
After the RTO heat accumulation combustion furnace is passed, part of the waste gas is conveyed into a hot air heat exchanger 9.2 and a water heat exchanger 9.1 through a mixing chamber in a mixing and distributing unit 6, the heat contained in the waste is exhausted, and then the waste gas is purified and discharged through a chimney 12 through a smoke exhaust fan 11. Because of the treatment of the RTO heat-storage combustion furnace, the content of benzene, toluene and xylene contained in the waste gas can be greatly reduced, and the aim of reducing the treatment cost of the waste gas is achieved.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The energy-saving circulating system for comprehensively utilizing heat energy of the color-coated RTO furnace is characterized by comprising a waste gas generating and collecting unit (1), a regenerative furnace combustion oxidation unit (5), a mixing distribution unit (6) and a heat supplementing furnace rear heat supply unit (7) which are sequentially communicated, wherein the heat supplementing furnace rear heat supply unit (7) is communicated with the waste gas generating and collecting unit (1); the mixing and distributing unit (6) is also communicated with a waste gas heat exchange unit (9), and the waste gas heat exchange unit is communicated with a waste gas generating and collecting unit.
2. The comprehensive heat energy utilization and energy-saving circulation system for the color-coated RTO furnace as claimed in claim 1, wherein the waste gas heat exchange unit (9) is communicated with a chimney (12), and the chimney is provided with an online monitoring unit (13).
3. The comprehensive heat energy utilization and energy-saving circulation system of the color-coated RTO furnace as claimed in claim 2, wherein the heat supply unit (7) behind the heat supplementing furnace is provided with a combustion fan (18).
4. The heat energy comprehensive utilization energy-saving circulation system of the color-coated RTO furnace as claimed in claim 2, characterized in that a grade filtering unit (2) and a molecular sieve adsorption concentration unit (3) are arranged between the waste gas generating and collecting unit (1) and the regenerative furnace combustion oxidation unit (5).
5. The heat energy comprehensive utilization energy-saving circulation system of the color-coated RTO furnace as claimed in claim 4, wherein the molecular sieve adsorption concentration unit (3) is equipped with a desorption fan (19).
6. The comprehensive heat energy utilization energy-saving circulation system of the color-coating RTO furnace as claimed in claim 2, wherein the waste gas generation and collection unit (1) comprises a bottom-coating curing furnace (1.1), a top-coating curing furnace (1.2) and a color-coating curing furnace (1.3) which are sequentially arranged along the production process, each curing furnace is provided with a waste gas electric valve (1.4), and the three curing furnaces are communicated with a heat supply unit (7) behind the heat compensation furnace through waste gas fans (4).
7. The comprehensive heat energy utilization energy-saving circulation system of the color-coated RTO furnace as claimed in claim 6, wherein the three curing furnaces are all provided with circulating fans (17).
8. The heat energy comprehensive utilization energy-saving circulating system of the color-coated RTO furnace as claimed in claim 2, characterized in that the after-heat-up furnace heat supply unit (7) comprises a regenerative combustion furnace (5.1) which is provided with a plurality of heat accumulators (5.2).
9. The heat energy comprehensive utilization energy-saving circulation system of the color-coated RTO furnace as claimed in claim 2, wherein the waste gas heat exchange unit (9) comprises a fresh air heat exchanger (9.1) and a water heat exchanger (9.2) which are sequentially communicated, the fresh air heat exchanger is communicated with the mixing and distributing unit (6), and the water heat exchanger is communicated with the chimney (12).
10. The comprehensive heat energy utilization and energy saving circulation system of the color-coated RTO furnace as claimed in claim 9, wherein the fresh air heat exchanger is further communicated with a drying unit (16), and the water heat exchanger is further communicated with a cleaning section (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220695349.1U CN217109591U (en) | 2022-03-29 | 2022-03-29 | Energy-conserving circulation system of RTO stove thermal energy comprehensive utilization is scribbled to color |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220695349.1U CN217109591U (en) | 2022-03-29 | 2022-03-29 | Energy-conserving circulation system of RTO stove thermal energy comprehensive utilization is scribbled to color |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217109591U true CN217109591U (en) | 2022-08-02 |
Family
ID=82605730
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220695349.1U Active CN217109591U (en) | 2022-03-29 | 2022-03-29 | Energy-conserving circulation system of RTO stove thermal energy comprehensive utilization is scribbled to color |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217109591U (en) |
-
2022
- 2022-03-29 CN CN202220695349.1U patent/CN217109591U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204952595U (en) | Wet coating exhaust recycling treatment system | |
| CN204421021U (en) | A kind of being used for contains N 2the Ω shape thermal oxidation device of O waste gas | |
| CN208066071U (en) | A kind of Adsorption Concentration elevated temperature desorption catalytic combustion system of spray painting VOCs exhaust gas | |
| CN110094745B (en) | Energy-saving and emission-reducing method for treating gravure organic waste gas through double channels | |
| CN201122464Y (en) | Energy-saving environment-friendly enamelling machine oven | |
| CN101352639B (en) | Organic waste gas treatment system | |
| CN201563588U (en) | Solar-energy auxiliary heating heat pump curing barn | |
| CN207576075U (en) | The emission-control equipment for being desorbed using nitrogen circulation and being combined with burner | |
| CN217109591U (en) | Energy-conserving circulation system of RTO stove thermal energy comprehensive utilization is scribbled to color | |
| CN201917227U (en) | Recycling device for tail gas energy of activation furnace and carbonization furnace | |
| CN211475969U (en) | Energy-saving emission-reducing system for gravure organic waste gas | |
| CN208253609U (en) | A kind of printing machine VOCs concentration paddy electricity balance RTO processing system | |
| CN207452485U (en) | A kind of environmentally friendly forming machine of weaving | |
| CN206131029U (en) | Automobile coating radiation area heating furnace waste heat recovery device | |
| CN201858905U (en) | Thermal energy recycling device | |
| CN209310007U (en) | All-fresh air burns heating system | |
| CN113324257A (en) | Heat collection type RTO treatment system suitable for high-concentration VOCs waste gas | |
| CN204470025U (en) | Color-coating line waste gas recovery utilizes system | |
| CN207584785U (en) | Paint spray booth's VOCs treatment and waste heat utilization equipment | |
| CN211475968U (en) | Simple to operate's dual-channel energy saving and emission reduction system | |
| CN105371265A (en) | Waste gas circulating system and color steel plate production technique adopting same | |
| CN110181940A (en) | A kind of printing energy saving baking heat pump group | |
| CN205939219U (en) | Aluminum plate is scribbled to coloured silk or aluminium is rolled up with energy -concerving and environment -protective burning furnace of firing | |
| CN213395332U (en) | Energy-saving emission-reducing system for fully treating gravure organic waste gas | |
| CN218095970U (en) | VOCs exhaust-gas treatment system is produced in paint spraying line |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |