CN201529610U - Natural gas direct combustion type drying furnace - Google Patents
Natural gas direct combustion type drying furnace Download PDFInfo
- Publication number
- CN201529610U CN201529610U CN2009200344719U CN200920034471U CN201529610U CN 201529610 U CN201529610 U CN 201529610U CN 2009200344719 U CN2009200344719 U CN 2009200344719U CN 200920034471 U CN200920034471 U CN 200920034471U CN 201529610 U CN201529610 U CN 201529610U
- Authority
- CN
- China
- Prior art keywords
- air
- pipeline
- heater
- burner hearth
- natural 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Drying Of Solid Materials (AREA)
Abstract
The utility model discloses a natural gas direct combustion type drying furnace, which includes an air exhausting pipeline, an oven shell, a heating system, an air blow pipeline and a return pipeline, the oven shell is equipped on the support frame, and a firing space is formed inside the oven shell, and a heating system is equipped at the bottom of the oven shell, and an air exhausting pipeline is equipped above the oven shell, and an air blow pipeline and a return pipeline are installed inside the oven shell; after organic solvent-containing exhaust gas is heated through the heating system and is sent into the firing space through an air blow pipeline, and the temperature of hot-air in the firing space drops after the hot-air goes through the return pipeline for heating firing space workpieces by internal circulation in the firing space, and the organic solvent-containing exhaust gas discharges from the furnace through an air exhausting pipeline. The utility model uses a natural gas direct combustion heating technology, and the burner regulation ratio can rach 1:20, and the temperature controller with high precision can automatically regulate size of combustion fire, thereby the combustion is sufficient and complete, and the temperature can be controlled accurately, and the purpose of high-efficient energy conservation is obtained. The direct combustion heating technique whose thermal efficiency ratio is 30-40% higher than that of the indirect heat exchange is used.
Description
Technical field:
The utility model belongs to surface treatment and uses the drying plant field, and particularly a kind of employing natural gas utilizes cross-ventilation as the energy, and the forced circulation mode is carried out the natural gas direct combustion formula heating and drying furnace of heating, drying.
Background technology:
Drying chamber is that workpiece paint, putty are carried out dry equipment.The fuel of drying oven heating has solid fuel, liquid fuel and gaseous fuel usually.Along with the continuous progress of science and technology, energy savings is subjected to the attention of more and more enterprises.Along with the expansion that the development of urban construction, gas distributing system are laid, natural gas becomes the new forms of energy that vast enterprise wishes to substitute original energy as thermal source is low because of its cost, energy consumption is little, igniting is easy, flameholding and be convenient to advantage such as ratio adjusting.And mostly the drying oven that acts as a fuel with natural gas at present is indirect heat exchange, not high for the utilization rate of heat energy.
The utility model content:
The purpose of this utility model is to overcome the shortcoming of above-mentioned prior art, a kind of natural gas direct combustion formula drying oven is provided, comprise air draft pipeline 1, body of heater 2, heating system, air-supply pipeline and return air pipeline, described body of heater 2 is arranged on the bracing frame, the body of heater 2 inner burner hearths that form, body of heater 2 bottoms are provided with heating system, are provided with air draft pipeline 1 above the body of heater 2, and air-supply pipeline and return air pipeline are installed on the body of heater 2; The waste gas that contains organic solvent is sent into burner hearth by the air-supply pipeline after the heating system heating, the hot-air in the burner hearth is through return air pipeline circular heating furnace thorax and cooling in burner hearth, and cooled air is discharged body of heater 2 through air draft pipeline 1.
Described burner hearth middle part is provided with air curtain, and air curtain will be divided into relatively independent burner hearth one district 2-1 and burner hearth two district 2-2; Described heating system is included in first heater 5-1 of burner hearth one district 2-1 bottom setting and the second heater 5-2 that is provided with in burner hearth two district 2-2 bottom; Described air-supply pipeline comprises the first air-supply pipeline 3-1 and the second air-supply pipeline 3-2; The first air-supply pipeline 3-1 connects the first heater 5-1 and burner hearth one district 2-1 and the hot-air that the first heater 5-1 produces is sent into burner hearth one district 2-1, and the second pipeline 3-2 that blows connects the second heater 5-2 and burner hearth two district 2-2 and the hot-air of second heater 5-2 generation is sent into burner hearth two district 2-2; Described return air pipeline comprises the first return air pipeline 4-1 and the second return air pipeline 4-2, circulate in the hot-air burner hearth one district 2-1 of the first return air pipeline 4-1 with the first air-supply pipeline 3-1, circulate in the hot-air burner hearth two district 2-2 of the second return air pipeline 4-2 with the second air-supply pipeline 3-2; Top at burner hearth one district 2-1 all is provided with first exhaust outlet, top at burner hearth two district 2-2 all is provided with second exhaust outlet, first exhaust outlet is connected by air draft pipeline 1 with second exhaust outlet, air draft pipeline 1 is provided with chimney, and the waste gas that contains organic solvent of air draft pipeline 1 inside is discharged by chimney.
The openend of described body of heater 2 is provided with fire door, and body of heater 2 inside are provided with the track that is used to hang workpiece.
Described body of heater 2 inside are provided with a plurality of temperature probes that are used to survey body of heater 2 internal temperatures.
Described air draft pipeline 1 is provided with forces the air draft blower fan, forces the air draft blower fan to be installed in the top of body of heater 2, is used for the waste gas that contains organic solvent of air draft pipeline 1 is discharged.
The described first heater 5-1 and the second heater 5-2 are burners.Described drying oven is equipped with one or more sets combustion chambers and corresponding air blow and return circulation line according to the burner hearth size;
Advantage of the present utility model is:
Adopt the heating of natural gas direct combustion, turndown ratio, burner regulation ratio can reach 1: 20, and high-precision temperature controller is regulated the size of combustion flame automatically, make sufficient combustion fully, temperature control accurately, reach energy-efficient purpose.Use this direct combustion heating technique, the thermal efficiency ratio indirect heat exchange exceeds 30～40%.
Description of drawings:
Fig. 1 is a front view of the present utility model;
Fig. 2 is a vertical view of the present utility model;
Fig. 3 is a side view of the present utility model.
Wherein: 1 is the air draft pipeline; 2-1 is burner hearth one district; 2-2 is burner hearth two districts; 3-1 is the first air-supply pipeline; 3-2 is the second air-supply pipeline; 4-1 is the first return air pipeline; 4-2 is the second return air pipeline; 5-1 is first heater; 5-2 is second heater.
The specific embodiment:
Below in conjunction with accompanying drawing the utility model is done and to be described in further detail:
This utility model natural gas direct combustion formula drying oven adopts directly the burn mode of heating, hot air circulation of natural gas.Natural gas is in combustion chambers burn, and the wind that loops back in the hot-air after the burning and the drying chamber mixes, and sends into drying chamber by circulating fan again, heated parts.So circulate repeatedly, temperature required up to workpiece is heated to.
Referring to Fig. 1,2,3, a kind of natural gas direct combustion formula drying oven, comprise air draft pipeline 1, body of heater 2, heating system, air-supply pipeline and return air pipeline, described body of heater 2 is arranged on the bracing frame, the body of heater 2 inner burner hearths that form, body of heater 2 bottoms are provided with heating system, are provided with air draft pipeline 1 above the body of heater 2, and air-supply pipeline and return air pipeline are installed on the body of heater 2; The waste gas that contains organic solvent is sent into burner hearth by the air-supply pipeline after the heating system heating, the hot-air in the burner hearth is through return air pipeline circular heating furnace thorax and cooling in burner hearth, and cooled air is discharged body of heater 2 through air draft pipeline 1.
Described burner hearth middle part is provided with air curtain, and air curtain will be divided into relatively independent burner hearth one district 2-1 and burner hearth two district 2-2; Described heating system is included in first heater 5-1 of burner hearth one district 2-1 bottom setting and the second heater 5-2 that is provided with in burner hearth two district 2-2 bottom; Described air-supply pipeline comprises the first air-supply pipeline 3-1 and the second air-supply pipeline 3-2; The first air-supply pipeline 3-1 connects the first heater 5-1 and burner hearth one district 2-1 and the hot-air that the first heater 5-1 produces is sent into burner hearth one district 2-1, and the second pipeline 3-2 that blows connects the second heater 5-2 and burner hearth two district 2-2 and the hot-air of second heater 5-2 generation is sent into burner hearth two district 2-2; Described return air pipeline comprises the first return air pipeline 4-1 and the second return air pipeline 4-2, circulate in the hot-air burner hearth one district 2-1 of the first return air pipeline 4-1 with the first air-supply pipeline 3-1, circulate in the hot-air burner hearth two district 2-2 of the second return air pipeline 4-2 with the second air-supply pipeline 3-2; Top at burner hearth one district 2-1 all is provided with first exhaust outlet, top at burner hearth two district 2-2 all is provided with second exhaust outlet, first exhaust outlet is connected by air draft pipeline 1 with second exhaust outlet, air draft pipeline 1 is provided with chimney, and the waste gas that contains organic solvent of air draft pipeline 1 inside is discharged by chimney.
The openend of described body of heater 2 is provided with fire door, and body of heater 2 inside are provided with the track that is used to hang workpiece.
Described body of heater 2 inside are provided with a plurality of temperature probes that are used to survey body of heater 2 internal temperatures.
Described air draft pipeline 1 is provided with forces the air draft blower fan, forces the air draft blower fan to be installed in the top of body of heater 2, is used for the waste gas that contains organic solvent of air draft pipeline 1 is discharged.
The described first heater 5-1 and the second heater 5-2 are burners.Described drying oven is equipped with one or more sets combustion chambers and corresponding air blow and return circulation line according to the burner hearth size; The present invention adopts two condom combustion chambers and corresponding air blow and return circulation line.
Above content is to further describing that the present invention did in conjunction with concrete preferred implementation; can not assert that the specific embodiment of the present invention only limits to this; for the general technical staff of the technical field of the invention; without departing from the inventive concept of the premise; can also make some simple deduction or replace, all should be considered as belonging to the present invention and determine scope of patent protection by claims of being submitted to.
Claims (5)
1. natural gas direct combustion formula drying oven, comprise air draft pipeline (1), body of heater (2), heating system, air-supply pipeline and return air pipeline, it is characterized in that: described body of heater (2) is arranged on the bracing frame, the inner burner hearth that forms of body of heater (2), body of heater (2) bottom is provided with heating system, be provided with air draft pipeline (1) above the body of heater (2), air-supply pipeline and return air pipeline are installed on the body of heater (2); The waste gas that contains organic solvent is sent into burner hearth by the air-supply pipeline after the heating system heating, the hot-air in the burner hearth is through the temperature decline behind the circular heating furnace thorax workpiece in burner hearth of return air pipeline, and the waste gas that contains organic solvent is discharged body of heater (2) through air draft pipeline (1).
2. a kind of according to claim 1 natural gas direct combustion formula drying oven, it is characterized in that: described heating system is included in burner hearth bottom heater is set; Described air-supply pipeline comprises the first air-supply pipeline (3-1) and the second air-supply pipeline (3-2); The first air-supply pipeline (3-1) connects first heater (5-1) and burner hearth one district (2-1) and the hot-air that first heater (5-1) produces is sent into burner hearth one district (2-1), second blow pipeline (3-2) connection second heater (5-2) and burner hearth two districts (2-2) and the hot-air of second heater (5-2) generation sent into burner hearth two districts (2-2); Described return air pipeline comprises the first return air pipeline (4-1) and the second return air pipeline (4-2), the first return air pipeline (4-1) is with circulation in hot-air burner hearth one district (2-1) of the first air-supply pipeline (3-1), and the second return air pipeline (4-2) is with circulation in hot-air burner hearth two districts (2-2) of the second air-supply pipeline (3-2); Top in burner hearth one district (2-1) all is provided with first exhaust outlet, top in burner hearth two districts (2-2) all is provided with second exhaust outlet, first exhaust outlet is connected by air draft pipeline (1) with second exhaust outlet, air draft pipeline (1) is provided with chimney, and the inner waste gas that contains organic solvent of air draft pipeline (1) is discharged by chimney.
3. a kind of according to claim 1 natural gas direct combustion formula drying oven, it is characterized in that: the openend of described body of heater (2) is provided with fire door, and body of heater (2) inside is provided with the track that is used to hang workpiece.
4. a kind of according to claim 1 natural gas direct combustion formula drying oven is characterized in that: described body of heater (2) inside is provided with a plurality of temperature probes that are used to survey body of heater (2) internal temperature.
5. a kind of according to claim 1 natural gas direct combustion formula drying oven, it is characterized in that: described air draft pipeline (1) is provided with forces the air draft blower fan, force the air draft blower fan to be installed in the top of body of heater (2), be used for the waste gas that contains organic solvent of air draft pipeline (1) is discharged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200344719U CN201529610U (en) | 2009-09-08 | 2009-09-08 | Natural gas direct combustion type drying furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200344719U CN201529610U (en) | 2009-09-08 | 2009-09-08 | Natural gas direct combustion type drying furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201529610U true CN201529610U (en) | 2010-07-21 |
Family
ID=42525021
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200344719U Expired - Fee Related CN201529610U (en) | 2009-09-08 | 2009-09-08 | Natural gas direct combustion type drying furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201529610U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102451806A (en) * | 2010-10-20 | 2012-05-16 | 山东常林机械集团股份有限公司 | Coating equipment |
| CN104422268A (en) * | 2013-09-10 | 2015-03-18 | 北新集团建材股份有限公司 | Drying kiln temperature control device and method |
| CN105880091A (en) * | 2014-12-04 | 2016-08-24 | 重庆市沙坪坝区华亿暖通设备厂 | Plastic spraying system |
| CN109883047A (en) * | 2019-02-28 | 2019-06-14 | 昆山市瑞浦鑫涂装机械有限公司 | A kind of natural gas infra-red radiation combines heating device with hot air circulation |
| CN114963711A (en) * | 2022-05-27 | 2022-08-30 | 扬州市江都区三和涂装设备有限公司 | Natural gas heating equipment for coating drying furnace |
-
2009
- 2009-09-08 CN CN2009200344719U patent/CN201529610U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102451806A (en) * | 2010-10-20 | 2012-05-16 | 山东常林机械集团股份有限公司 | Coating equipment |
| CN104422268A (en) * | 2013-09-10 | 2015-03-18 | 北新集团建材股份有限公司 | Drying kiln temperature control device and method |
| CN104422268B (en) * | 2013-09-10 | 2017-03-15 | 北新集团建材股份有限公司 | A kind of dry kiln temperature control equipment and method |
| CN105880091A (en) * | 2014-12-04 | 2016-08-24 | 重庆市沙坪坝区华亿暖通设备厂 | Plastic spraying system |
| CN109883047A (en) * | 2019-02-28 | 2019-06-14 | 昆山市瑞浦鑫涂装机械有限公司 | A kind of natural gas infra-red radiation combines heating device with hot air circulation |
| CN114963711A (en) * | 2022-05-27 | 2022-08-30 | 扬州市江都区三和涂装设备有限公司 | Natural gas heating equipment for coating drying furnace |
| CN114963711B (en) * | 2022-05-27 | 2024-02-06 | 陕西东海明珠防腐工程有限责任公司 | Natural gas heating equipment for coating drying furnace |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201529610U (en) | Natural gas direct combustion type drying furnace | |
| CN103940221A (en) | Novel energy-saving kiln | |
| CN206207466U (en) | Biomass boiler burner | |
| CN105403061A (en) | Energy saving kiln with cooling waste heat cyclically used for improving combustion supporting air temperature | |
| CN106440334A (en) | Segmental-control secondary heat exchange condensation type gas heating water heater | |
| CN203163478U (en) | Novel energy-saving kiln | |
| CN102721276B (en) | Energy-saving transformation system for ceramic kiln | |
| CN203560908U (en) | Air-cooling refractory brick furnace wall device of garbage incinerator | |
| CN103134182B (en) | Waste gas recovering all-steel air-cooled type energy-saving hot blast furnace | |
| CN202253765U (en) | Efficient clean-type coal circulatory combustion direct gasification oven | |
| CN205228190U (en) | Cyclic utilization cooling waste heat improves energy -conserving kiln of combustion -supporting wind -warm syndrome degree | |
| CN201237353Y (en) | Heating stove for shed | |
| CN102235813A (en) | Positive pressure type direct combustion hot-air furnace for baking finish house | |
| CN202485204U (en) | Double-air-blower double-control energy-saving air heater | |
| CN206113338U (en) | Novel hot water hot wind boiler | |
| CN201463260U (en) | External hot-blast stove of heat exchange pipe | |
| CN101354184A (en) | Fast heat and energy-saving type hot air boiler | |
| CN206131067U (en) | Fireplace | |
| CN204611821U (en) | Energy-saving hearth structure | |
| CN203100156U (en) | All-steel air cooling type energy-saving hot-blast stove for waste gas recycle | |
| CN204757367U (en) | Hot -air furnace | |
| CN103615802A (en) | Self-powered warm air furnace | |
| CN203550201U (en) | Self-powered warm air furnace | |
| CN201527095U (en) | High-efficient environment-friendly energy-saving hot air heating boiler | |
| CN203116268U (en) | Energy-saving vertical hot blast stove |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: China United Northwest Engineering Design Research Institute Assignor: Shaanxi Xinyu Surface Engineering Co., Ltd. Contract record no.: 2012610000073 Denomination of utility model: Natural gas direct combustion type drying furnace Granted publication date: 20100721 License type: Exclusive License Record date: 20120528 |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100721 Termination date: 20120908 |