CN201926273U - Controllable hot air circulating system for trolley-type drying furnace - Google Patents
Controllable hot air circulating system for trolley-type drying furnace Download PDFInfo
- Publication number
- CN201926273U CN201926273U CN2010206354469U CN201020635446U CN201926273U CN 201926273 U CN201926273 U CN 201926273U CN 2010206354469 U CN2010206354469 U CN 2010206354469U CN 201020635446 U CN201020635446 U CN 201020635446U CN 201926273 U CN201926273 U CN 201926273U
- Authority
- CN
- China
- Prior art keywords
- pipeline
- waste heat
- heat supply
- heat recovery
- drying oven
- 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
Classifications
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Drying Of Solid Materials (AREA)
Abstract
The utility model relates to a controllable hot air circulating system for a trolley-type drying furnace, which comprises the following three parts: a heat supply system, a waste heat recovery system and a moisture removal system, wherein the heat supply system comprises a hot-air system (combustion chamber), a mixed air chamber, a heat supply fan, a heat supply pipe, a circulating fan and hand-operated and electrically-operated valves; the waste heat recovery system has a two-stage structure comprising waste heat recovery fans, waste heat recovery pipes and hand-operated valves; and the moisture removal system comprises a moisture removal fan, a moisture removal hand-operated valve and a moisture removal pipe. The heat supply system, the waste heat recovery system and the moisture removal system are provided with various regulating valves, so as to greatly enhance the capability of controlling the temperature of the heating region inside the drying furnace and ensure more reasonable distribution of temperature inside the drying furnace. Meanwhile, the waste heat utilization rate and the moisture removal capacity of the drying furnace are increased, the energy consumption of the system is reduced, and the drying effect is improved.
Description
Affiliated technical field
The utility model relates to a kind of hot air circulating system, the controllable type hot air circulating system that particularly a kind of car-type drying oven is used.
Background technology
Drying oven is the Thermal Equipment of technologies such as a kind of oven dry that is widely used in machinery, electronic product and powder body material, curing, binder removal.The car-type drying oven belongs to the continuous drying operation form, has tunnel type furnace body, and the stove car that is loaded with the article that are dried is promoted by hydraulic pusher, steadily advances, gradually evenly by each uniform temperature zone.At present, the combustion type drying oven generally is passed to each warm area with the hot blast of hot-air system by heat supply pipeline by the heat supply blower fan, strengthens heat convection by the hot air circulation constituent element of each warm area again, evenly furnace temperature.This heat-supplying mode has the following disadvantages: 1. influenced by combustion gas air pressure, environment, workpiece temperature etc., the temperature randomness of each uniform temperature zone is bigger, and control ability is relatively poor; 2. humidity discharging is untimely, influences drying effect; 3. using waste heat from tail gas reclaims inadequately, increases equipment energy consumption.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, and a kind of controlled continuous tunnel furnace hot air circulating system is provided, and has strengthened the controllability of respectively distinguishing furnace temperature, has improved the recycling efficient of humidity discharging ability and waste heat.
The technical solution of the utility model is:
A kind of controllable type car-type drying oven hot air circulating system, it comprises heating system, residual neat recovering system and humidity discharging system three parts, heating system comprises the combustion chamber, the heat supply blower fan, wind mixed chamber, many heat supply pipelines, circulating fan, wind deflector, it is characterized in that: the hot wind supply machine is arranged in wind mixed chamber, one end of the heat supply pipeline in the heating system is connected with the heat supply blower fan, the other end of anterior heat supply pipeline is connected with back grade of waste heat recovery pipeline in the residual neat recovering system, the other end of rear portion heat supply pipeline is connected in the drying oven, circulating fan is connected on the exhausting moisture pipeline of top, is provided with motor-driven valve and hand-operated valve in the heating system.
Described residual neat recovering system comprises waste heat recovery blower fan, multistage waste heat recovery pipeline, one end of the waste heat recovery pipeline in the residual neat recovering system is connected with the waste heat recovery machine, the other end of prime waste heat recovery pipeline is connected with the combustion chamber, the other end of back level waste heat recovery pipeline is connected with moisture-eliminating blower, is provided with hand-operated valve in the residual neat recovering system.
Described humidity discharging system comprises moisture-eliminating blower, many exhausting moisture pipelines, one end of the exhausting moisture pipeline in the humidity discharging system is connected with the humidity discharging machine, the top exhausting moisture pipeline is connected on the drying oven, the other end of auxiliary exhausting moisture pipeline is connected with the anterior heat supply pipeline in the heating system, is provided with the humidity discharging hand-operated valve in the humidity discharging system.
The beneficial effects of the utility model:
The utlity model has many heat donor passages, furnace is reasonable, and controllability is strong, and the heating load in the heat supply pipeline is adjustable, and each warm area heating load is independent, adjustable in the drying oven, is provided with hot air circulation in the stove, and air-flow is even, and temperature, humidity are even.
The utility model adopts the two-stage waste heat recovery, heat energy utilization rate height, and controllability is strong.Prime to hot-air system, adopts hand-operated valve to regulate the waste heat recovery amount waste heat recovery, and the back level is directly delivered to recovery waste heat the lower prime drying oven of temperature and used.
The utlity model has many exhausting moisture pipelines, an exhausting moisture pipeline links to each other with each warm area unit, the employing hand-operated valve is regulated humidity discharging amount separately, an exhausting moisture pipeline links to each other with anterior heat supply pipeline, and set up a hand-operated valve, can when regulating the heating load of feed zone, regulate its humidity discharging ability, humidity discharging system has that controllability is strong, humidity discharging rapidly, characteristic of accurate.
The utility model has adopted electronically controlled proportional valve to guarantee the optimal air-fuel ratio of drying oven, energy savings, adopted the high velocity temperature adjusting burner heat supply in the stove, combustion combustion continuously makes furnace temperature stable, and native system also is provided with overtemperature alarm, leak detection automatically, functions such as flame monitoring, improved safety, reliability when system uses, system control mode adopts PLC control, and each motor-driven valve group realizes the automatic program control of whole operating process.
Description of drawings
Fig. 1 is a front view of the present utility model;
Fig. 2 is a hot-air system structure chart of the present utility model;
Fig. 3 is a body of heater profile of the present utility model.
The specific embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
As Fig. 1, Fig. 2, shown in Fig. 3, the utility model comprises heating system, residual neat recovering system and humidity discharging system three parts, heating system comprises combustion chamber 10, wind mixed chamber 20, heat supply blower fan 12, before heating system is provided with, back two cover heat donor passages, be anterior heat supply pipeline 13 and rear portion heat supply pipeline 9, hot-air system is by preceding, latter two heat supply pipeline outlet heat supply respectively, combustion chamber 10 is positioned at drying oven 22 middle parts, residual neat recovering system adopts the two-stage waste heat recovery, residual neat recovering system comprises prime waste heat recovery blower fan 4, back level waste heat recovery blower fan 2, prime waste heat recovery pipeline 5, back level waste heat recovery pipeline 3, humidity discharging system comprises moisture-eliminating blower 17, top exhausting moisture pipeline 8, auxiliary exhausting moisture pipeline 16, heat supply blower fan 12 is arranged in wind mixed chamber 20, one end of the anterior heat supply pipeline 13 in the heating system is connected with heat supply blower fan 12, the other end of anterior heat supply pipeline 13 is connected with back grade of waste heat recovery pipeline 3 in the residual neat recovering system, one end of rear portion heat supply pipeline 9 is connected with heat supply blower fan 12, the other end of rear portion heat supply pipeline 9 is connected in the drying oven 22, one end of the prime waste heat recovery pipeline 5 in the residual neat recovering system is connected with prime waste heat recovery machine 4, the other end of prime waste heat recovery pipeline 5 is connected with combustion chamber 10, one end of back level waste heat recovery pipeline 3 is connected with back level waste heat recovery machine 2, the other end of back level waste heat recovery pipeline 3 is connected with moisture-eliminating blower 17, one end of the auxiliary exhausting moisture pipeline 16 in the humidity discharging system is connected with humidity discharging machine 17, the other end of auxiliary exhausting moisture pipeline 16 is connected with the anterior heat supply pipeline 13 in the heating system, top exhausting moisture pipeline 8 is connected on the drying oven 22, circulating fan 6 is connected on the top exhausting moisture pipeline 8, be provided with air feed electric control valve 7 on the rear portion heat supply pipeline 9 in heating system, an adjusting hand-operated valve 15 is established at the middle part of anterior heat supply pipeline 13, regulate hand-operated valve 15 and be used to control the temperature of the feed zone 23 of drying oven 22, the end of the prime waste heat recovery pipeline 5 in residual neat recovering system is provided with a hand-operated valve 11, hand-operated valve 11 is used to control the flow direction of waste heat, be equipped with humidity discharging hand-operated valve 14 links to each other with top exhausting moisture pipeline 8 in drying oven 22 each warm area unit, humidity discharging hand-operated valve 14 can be independent, control the humidity discharging ability of warm area unit flexibly, and then influence the temperature of this warm area, humidity, regulate hand-operated valve 15 when regulating front-end temperature, also can make the humidity discharging of moist workpiece of feed zone 23 rapider, in time, wind deflector 21 is positioned at drying oven 22.
Natural gas burns in combustion chamber 10, hot blast enters anterior heat supply pipeline 13 and 9 liang of covers of rear portion heat supply pipeline heat donor passage by former and later two outlets, hand-operated valve 19 is used to regulate the air quantity that enters wind mixed chamber 20, hot blast blows to continuous anterior heat supply pipeline 13 and rear portion heat supply pipeline 9 by heat supply blower fan 12, hot blast in anterior heat supply pipeline 13 and the rear portion heat supply pipeline 9 is respectively applied for the heat supply of drying oven 22 front and rears, when feed zone 23 temperature are on the low side, regulate hand-operated valve 15 and open, increase the heat supply of combustion chamber feed zone 23 to anterior heat supply pipeline 13; Open to auxiliary exhausting moisture pipeline 15 otherwise then will save hand-operated valve 15, reduce feed zone 23 heating loads, reduce temperature.The heat that advances that enters this unit is regulated by air feed electric control valve 7 in drying oven 22 each warm area unit, and by the forced hot air circulation in circulating fan 6 and the wind deflector 21 structures realization drying oven 22.Prime waste heat fan 4 returns to the prime waste heat in the combustion furnace 10, and the amount of sending back to of regulating waste heats by hand-operated valve 11, the waste heat of not sending combustion furnace 10 back to just directly leads in the back level waste heat pipeline 3, back level waste heat fan 2 will back level waste heat by drying oven 22 belows back level waste heat pipeline 3 deliver in the UTILIZATION OF VESIDUAL HEAT IN pipeline 18 of feed zone 23, the previous stage drying oven lower for temperature utilizes, when combustion chamber 22 heat supply abundances or furnace temperature are higher, just reduce and send combustion chamber 22 back to, allow more even institute has surplus heat and leads in the back level waste heat recovery pipeline 3.Each warm area unit all is provided with humidity discharging control valve 14 in the drying oven 22, and humidity discharging control valve 14 links to each other with exhausting moisture pipeline 8, but independent regulation humidity discharging ability separately is last, and dry workpiece can be come out of the stove after cooling off by cooling blower 1.
The utility model has strengthened the controllability of furnace temperature greatly by increase various manual, electric control valves in heat supply, waste heat recovery and humidity discharging system, makes its Temperature Distribution more reasonable, simultaneously, also can improve the UTILIZATION OF VESIDUAL HEAT IN efficient and the humidity discharging ability of drying oven.The utility model has adopted electronically controlled proportional valve to guarantee the optimal air-fuel ratio of drying oven, energy savings, adopted the high velocity temperature adjusting burner heat supply in the stove, combustion combustion continuously makes furnace temperature stable, and native system also is provided with overtemperature alarm, leak detection automatically, functions such as flame monitoring, improved safety, reliability when system uses, system control mode adopts PLC control, and each motor-driven valve group realizes the automatic program control of whole operating process.
Claims (3)
1. controllable type car-type drying oven hot air circulating system, it comprises heating system, residual neat recovering system and humidity discharging system three parts, heating system comprises the combustion chamber, the heat supply blower fan, wind mixed chamber, many heat supply pipelines, circulating fan, wind deflector, it is characterized in that: the hot wind supply machine is arranged in wind mixed chamber, one end of the heat supply pipeline in the heating system is connected with the heat supply blower fan, the other end of anterior heat supply pipeline is connected with back grade of waste heat recovery pipeline in the residual neat recovering system, the other end of rear portion heat supply pipeline is connected in the drying oven, circulating fan is connected on the exhausting moisture pipeline of top, is provided with motor-driven valve and hand-operated valve in the heating system.
2. controllable type car-type drying oven hot air circulating system according to claim 1, it is characterized in that: described residual neat recovering system comprises waste heat recovery blower fan, multistage waste heat recovery pipeline, one end of the waste heat recovery pipeline in the residual neat recovering system is connected with the waste heat recovery machine, the other end of prime waste heat recovery pipeline is connected with the combustion chamber, the other end of back level waste heat recovery pipeline is connected with moisture-eliminating blower, is provided with hand-operated valve in the residual neat recovering system.
3. controllable type car-type drying oven hot air circulating system according to claim 1, it is characterized in that: described humidity discharging system comprises moisture-eliminating blower, many exhausting moisture pipelines, one end of the exhausting moisture pipeline in the humidity discharging system is connected with the humidity discharging machine, the top exhausting moisture pipeline is connected on the drying oven, the other end of auxiliary exhausting moisture pipeline is connected with the anterior heat supply pipeline in the heating system, is provided with the humidity discharging hand-operated valve in the humidity discharging system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206354469U CN201926273U (en) | 2010-12-01 | 2010-12-01 | Controllable hot air circulating system for trolley-type drying furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206354469U CN201926273U (en) | 2010-12-01 | 2010-12-01 | Controllable hot air circulating system for trolley-type drying furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201926273U true CN201926273U (en) | 2011-08-10 |
Family
ID=44430119
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206354469U Expired - Fee Related CN201926273U (en) | 2010-12-01 | 2010-12-01 | Controllable hot air circulating system for trolley-type drying furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201926273U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102878792A (en) * | 2012-09-06 | 2013-01-16 | 贵州省建筑材料科学研究设计院 | Method and device for automatically controlling hot working state of block-shaped wet blank chamber type drying chamber |
| CN103344104A (en) * | 2013-07-19 | 2013-10-09 | 万能亿自动化科技（苏州）有限公司 | Drying room with adjustable hot air path |
| CN103727769A (en) * | 2013-12-19 | 2014-04-16 | 云南中烟昆船瑞升科技有限公司 | Hot air system of reconstituted tobacco reciprocating tunnel dryer |
-
2010
- 2010-12-01 CN CN2010206354469U patent/CN201926273U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102878792A (en) * | 2012-09-06 | 2013-01-16 | 贵州省建筑材料科学研究设计院 | Method and device for automatically controlling hot working state of block-shaped wet blank chamber type drying chamber |
| CN103344104A (en) * | 2013-07-19 | 2013-10-09 | 万能亿自动化科技（苏州）有限公司 | Drying room with adjustable hot air path |
| CN103727769A (en) * | 2013-12-19 | 2014-04-16 | 云南中烟昆船瑞升科技有限公司 | Hot air system of reconstituted tobacco reciprocating tunnel dryer |
| CN103727769B (en) * | 2013-12-19 | 2015-07-01 | 云南中烟再造烟叶有限责任公司 | Hot air system of reconstituted tobacco reciprocating tunnel dryer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201731732U (en) | Energy-saving fiber drying kiln | |
| CN201740352U (en) | Tunnel-type drying device | |
| CN106369959A (en) | Air energy heat pump agricultural product drying device | |
| CN202993780U (en) | High temperature air source heat pump drying system | |
| CN201926273U (en) | Controllable hot air circulating system for trolley-type drying furnace | |
| CN202547300U (en) | Segmented temperature control horizontal wood veneer drier | |
| CN202135654U (en) | Tea leaf drier | |
| CN201467899U (en) | Intelligent type drying system for cured meat with solar energy and air source heat pump | |
| CN107036403A (en) | A kind of air can circulate baking room | |
| CN201467907U (en) | Tea baking machine | |
| CN201229106Y (en) | Industrial briquette drying machine | |
| CN202216496U (en) | Novel industrial solar dryer | |
| CN203024553U (en) | Air inlet device for tunnel kiln type drying room | |
| CN209445716U (en) | A kind of direct-injection type hot air seasoning equipment | |
| CN201706671U (en) | Automatic control high efficiency energy-saving coal hot air furnace | |
| CN103111950B (en) | High-quality curing process method for abrasive paper volume | |
| CN205747871U (en) | A kind of heat pump drying equipment | |
| CN206324188U (en) | A kind of sesame high efficiency drying equipment | |
| CN106288691B (en) | Mixed heating type drying chamber | |
| CN104947396A (en) | Drying device | |
| CN201463471U (en) | Circulating thermal convection energy-saving drying room | |
| CN210210992U (en) | Plastic granules stoving gas equipment | |
| CN105625008B (en) | Clothes-drying device and its control method and there is its washing machine, washing-drying integral machine | |
| CN202172819U (en) | Solar curing barn | |
| CN202955994U (en) | Heating device utilizing flue gas residual heat |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110810 Termination date: 20131201 |