CN206724659U - A kind of device drying oven of double preheating type household electrical appliances two - Google Patents

A kind of device drying oven of double preheating type household electrical appliances two Download PDF

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Publication number
CN206724659U
CN206724659U CN201720415630.4U CN201720415630U CN206724659U CN 206724659 U CN206724659 U CN 206724659U CN 201720415630 U CN201720415630 U CN 201720415630U CN 206724659 U CN206724659 U CN 206724659U
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drying oven
household electrical
electrical appliances
air
drying
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CN201720415630.4U
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库锐
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Huatian Engineering and Technology Corp MCC
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Huatian Engineering and Technology Corp MCC
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    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E20/00—Combustion technologies with mitigation potential
    • Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery

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Abstract

The utility model discloses a kind of double device drying ovens of preheating type household electrical appliances two, it is characterized in including two device pipelines, drying oven, hot air circulating system, purging system and exhaust gas purification system；Described two device pipeline tops installation drying oven, drying oven both ends open；Described drying oven top sets hot air circulating system and two groups of exhaust gas purification systems；Two described device pipeline lower disposeds have purging system；The port of export that the device of household electrical appliances two moves to drying oven by two device pipelines from the arrival end of drying oven completes baking operation.The utility model has the advantages that having reclaimed fume afterheat compared with limits, energy consumption is reduced, improves hot blast efficiency；Greatly reduce volatile oil and dodge quick-fried possibility, ensure that the safe operation of equipment；The content of volatile oil in tail gas is greatly reduced, ensure that the environment protection emission of tail gas.

Description

A kind of device drying oven of double preheating type household electrical appliances two
Technical field
The utility model belongs to household electrical appliances production field, more particularly to a kind of device drying oven of double preheating type household electrical appliances two.
Background technology
The device of household electrical appliances two refers to condenser and evaporator, is stamped to form by high velocity ram machine.To ensure product shape and processing matter Amount, needs to use lubricating oil in punching course, and in subsequent production for ensure the final mass of product and performance need by Lubricating oil removes.Generally two devices are carried out using the hot blast of high temperature and high speed using two device drying ovens in white goods manufacturing enterprise Drying so that the lubricating oil for being attached to two device surfaces quickly volatilizees to meet that subsequent handling processes needs.Existing two devices drying oven Use automatic transmission system, the high-volume of condenser and evaporator part suitable for products such as air conditioner, refrigerators, continuous life more Production.Workpiece enters after drying oven, it is necessary to accelerate the evaporation rate of workpiece surface volatile oil by high-temperature hot-air；Then by a large amount of Circulated air is by high concentration volatile oil gas dilution, to accelerate evaporation rate；Then by being placed in the air exhausting device on top by tail gas Discharge；It is last in line to air.
The existing device drying oven of household electrical appliances two is used as heating source using oil gas, natural gas etc. more, and oil gas, natural gas are with helping Fire and carry out mixed combustion generation high-temperature hot-air for drying use in combustion chamber under air normal temperature.The tail gas dried after workpiece is most Also without using just discharging, and exhaust temperature it is higher easily dodge it is quick-fried.Due to above feature cause drying energy consumption it is big, hot-air seasoning Situations such as efficiency is low, and waste gas utilization is weak, production security is poor, this not only causes great energy waste also to production safety Bring great hidden danger.
Utility model content
For overcome the deficiencies in the prior art, the purpose of this utility model is to provide a kind of double device of preheating type household electrical appliances two drying Stove, it can utilize waste heat from tail gas under conditions of the device surface attachment volatile oil of flash baking two is met compared with limits, reduce energy Consumption；Reduce tail gas and dodge safe operation that is quick-fried, ensureing equipment.
To achieve the above object, a kind of double device drying ovens of preheating type household electrical appliances two of the utility model, are characterized in including two devices Pipeline, drying oven, hot air circulating system, purging system and exhaust gas purification system；Described two device pipeline tops installation is dried Dry stove, drying oven both ends open, drying oven is passed in and out for the device of household electrical appliances two；Described drying oven top sets hot air circulating system and two groups Exhaust gas purification system；Two described device pipeline lower disposeds have purging system；The device of household electrical appliances two passes through two device pipelines from drying The port of export that the arrival end of stove moves to drying oven completes baking operation.
Further, two described device pipelines use types No. two, the size of automatic control, its width and drying Match, transfer rate 0.8-1.0m/s.
Further, it is made up outside the furnace shell of described drying oven of stainless steel, inside of heat insulation flame retardant material；Institute The drying oven both ends stated are provided with opening, and the transmission for the device of family expenses two is used, the type number of family expenses two of its openings of sizes and drying, Size matches.
Further, described hot air circulating system includes combustion air air supply system, fuel feed system and burning system System；Described combustion air air supply system includes combustion air pipeline, air heat exchanger, combustion fan；Described fuel charge System includes fuel conduit, fuel heat exchangers, and described fuel conduit is provided with regulating valve, for adjusting fuel flow rate；It is described Combustion system include combustion chamber, hot air circulation pipeline, air door, air distribution plate, be provided with burner in described combustion chamber.By helping The fuel of combustion air pipe line, the air of combustion fan conveying and fuel conduit conveying mixes in combustion chamber, is ignited through burner Drying stove heat attachment is entered finally by the hole slot on air distribution plate through air door to inflow air distribution plate by hot air circulation pipeline afterwards In the volatile oil of two device surfaces externally and internallies.
Further, described air heat exchanger, fuel heat exchangers are heat exchange of heat pipe.
Further, described air door and air distribution plate are made using stainless steel；The size of described air distribution plate and hole The arrangement of groove and the length and width dimensions of drying oven and the type number of the household electrical appliances of drying two, size match.
Further, described purging system includes compressed air line supervisor, compressed air line branch pipe and is arranged on Compressed air total valve, filter and pressure gauge on compressed air line supervisor, for controlling flow, the flow velocity of compressed air And cleanliness factor；Blow valve port is provided with branch pipe end, for being purged to the device of household electrical appliances two, to ensure that volatile oil is complete in two device U pipes Discharge；Branch road regulating valve is provided with each branch pipe, for adjusting, ensureing the purging effect of each blow valve port.
Further, the type of family expenses two of the length and width dimensions and drying of the arrangement of described blow valve port and quantity and drying oven Number, size matches.
Further, described exhaust gas purification system includes smoke discharging pipe, smoke exhaust fan and exhaust pipe；On smoke discharging pipe Provided with smoke exhaust fan, two groups of smoke discharging pipes are connected with air heat exchanger and fuel heat exchangers respectively, heat smoke and combustion air and Fuel through exhaust pipe is emitted into ambient atmosphere after fully exchanging heat, and utilizes fume afterheat to greatest extent；Described smoke discharging pipe Device for detecting temperature is nearby provided with, ensures drying effect.
Further, described exhaust pipe is provided with degreasing unit, and the volatile oil in tail gas is filtered, both ensured Efflux gas environment protection standard, prevent that the sudden strain of a muscle of volatile oil is quick-fried again, ensure the safe operation of equipment.
Compared with prior art, it is as follows the advantages of a kind of double two device drying ovens of preheating type household electrical appliances of the utility model：
1. the utility model has reclaimed fume afterheat compared with limits, energy consumption is reduced, improves hot blast efficiency；
2. the utility model, which greatly reduces volatile oil, dodges quick-fried possibility, the safe operation of equipment ensure that；
3. the utility model greatly reduces the content of volatile oil in tail gas, the environment protection emission of tail gas ensure that.
Brief description of the drawings
The utility model is described in further detail below in conjunction with the accompanying drawings.
Fig. 1 is a kind of structural representation of double device drying ovens of preheating type household electrical appliances two of the utility model.
Embodiment
With reference to embodiment, the utility model is described in further detail.
As shown in figure 1, a kind of device drying oven of double preheating type household electrical appliances two, be characterized in including two device pipelines 3, drying oven 1, Hot air circulating system, purging system and exhaust gas purification system；Drying oven 1 is installed on the top of two device pipeline 3, and the both ends of drying oven 1 are opened Mouthful, pass in and out drying oven 1 for the device 25 of household electrical appliances two；The top of drying oven 1 sets hot air circulating system and two groups of exhaust gas purification systems；Two devices are defeated The lower disposed of line sending 3 has purging system；The device of household electrical appliances two moves to drying oven by the arrival end of two device pipeline 3 from drying ovens 1 The port of export complete baking operation.
Two device pipelines 3 use automatic control, and its width matches with the type number of household electrical appliances two dried, size, passes It is 0.8-1.0m/s to send speed.
It is made up outside the furnace shell of drying oven 1 of stainless steel, inside of heat insulation flame retardant material；The both ends of drying oven 1 are provided with Opening, the transmission for the device of family expenses two is used, and the type number of family expenses two of its openings of sizes and drying, size match.
Hot air circulating system includes combustion air air supply system, fuel feed system and combustion system；Combustion air supplies System includes combustion air pipeline 12, air heat exchanger 4, combustion fan 6；Fuel feed system includes fuel conduit 13, fuel Heat exchanger 5, fuel conduit 13 is provided with regulating valve 20, for adjusting fuel flow rate；Combustion system includes combustion chamber 2, hot blast follows Endless tube road 15, air door 9, air distribution plate 10, combustion chamber 2 is interior to be provided with burner 17.It is defeated by combustion air pipeline 12, combustion fan 6 The fuel for air and fuel conduit 13 conveying sent mixes in combustion chamber 2, passes through hot air circulating pipe after burner 17 ignites Road 15, to air distribution plate 10 is flowed into, enters the heating of drying oven 1 finally by the hole slot on air distribution plate 10 and is attached in two devices through air door 9 The volatile oil of outer surface.
Air heat exchanger 4, fuel heat exchangers 5 are heat exchange of heat pipe.
Air door 9 and air distribution plate 10 are made using stainless steel；The size of air distribution plate 10 and the arrangement of hole slot and drying oven 1 Length and width dimensions and the model of two device of household electrical appliances 25, the size of drying match.
Purging system includes compressed air line supervisor 16, compressed air line branch pipe 26 and installed in compressed air line Compressed air total valve 21, filter 23 and pressure gauge 22 on supervisor 16, for controlling the flow of compressed air, flow velocity and clean Cleanliness；Blow valve port 18 is provided with the end of branch pipe 26, for being purged to the device 25 of household electrical appliances two, to ensure that volatile oil is complete in two device U pipes Full discharge；Branch road regulating valve 24 is provided with each branch pipe 26, for adjusting, ensureing the purging effect of each blow valve port 18.
The arrangement and quantity of blow valve port 18 and the length and width dimensions of drying oven and the model of two device of family expenses 25, the size phase of drying Match somebody with somebody.
Exhaust gas purification system includes smoke discharging pipe 11, smoke exhaust fan 8 and exhaust pipe 14；Smoke is set on smoke discharging pipe 11 Machine 8, two groups of smoke discharging pipes 11 are connected with air heat exchanger 4 and fuel heat exchangers 5 respectively, and heat smoke fills with combustion air and fuel Divide after heat exchange and be emitted into ambient atmosphere through exhaust pipe 14, utilize fume afterheat to greatest extent；Described smoke discharging pipe 11 is attached It is near to be provided with device for detecting temperature 7, ensure drying effect, temperature difference is no more than 5 DEG C at two.
Exhaust pipe 14 is provided with degreasing unit 19, and the volatile oil in tail gas is filtered, has both ensured efflux gas ring Protect up to standard, prevent that the sudden strain of a muscle of volatile oil is quick-fried again, ensure the safe operation of equipment.
When the device drying oven of household electrical appliances two is run, the device 25 of household electrical appliances two enters in drying oven 1 through two device pipelines 3, is produced in combustion chamber 2 Heat flue gas enters air distribution plate 10 by hot air circulation pipeline 15 through the water conservancy diversion of air door 9, enters drying oven 1 by the hole slot on air distribution plate 10 Interior to be contacted with the device 25 of household electrical appliances two, the volatile oil on the surface of two device of household electrical appliances 25 quickly volatilizees and by tail gas clean-up system in heat smoke convection current System is drained；The device 25 of household electrical appliances two is vapored away completely in drying oven 1 through high temperature after a while, the volatile oil of fin surface. Volatile oil in the long U pipes of the device of household electrical appliances two, the compressed air purging of 1 arrival end blow valve port of drying stove 18 blowout part volatile oil, Volatile oil gasification expands in long U pipes after being heated in burner hearth, discharge part volatile oil, then is compressed through the rear portion blow valve port 18 in burner hearth Air is purged, and volatile oil is fully drained in long U pipes.Finally, the device 25 of household electrical appliances two leaves drying oven 1 and completes baking operation.
When 1 stable operation of drying oven, the registration of two temperatures monitoring device 7 is maintained at 170 DEG C or so, and temperature difference is not at two More than 5 DEG C.Combustion air fully exchanges heat with heat smoke in air heat exchanger 4 and is preheated to 150 DEG C by normal temperature；Fuel changes in fuel Fully exchanged heat with heat smoke in hot device 5 and be preheated to 100 DEG C by normal temperature, it is 120 DEG C that final tail gas, which reaches the temperature of degreasing unit 19, warp Air is emitted into after oil removing filtering.
More than, preferred embodiment only of the present utility model, but the scope of protection of the utility model is not limited thereto, and is appointed What those familiar with the art the change that can readily occur in or replaces in the technical scope that the utility model discloses Change, should all cover within the scope of protection of the utility model.Therefore, the scope of protection of the utility model should be with claim The protection domain defined is defined.

Claims (10)

  1. A kind of 1. device drying oven of double preheating type household electrical appliances two, it is characterised in that：Including two device pipelines (3), drying oven (1), hot blast The circulatory system, purging system and exhaust gas purification system；Described two device pipeline (3) tops installation drying oven (1), drying oven (1) both ends open；Described drying oven (1) top sets hot air circulating system and two groups of exhaust gas purification systems；Two described devices are defeated Line sending (3) lower disposed has purging system；The device of household electrical appliances two moves to by the arrival end of two device pipeline (3) from drying ovens (1) The port of export of drying oven completes baking operation.
  2. A kind of 2. double device drying ovens of preheating type household electrical appliances two according to claim 1, it is characterised in that：Described two devices conveying Line (3) uses automatic control, and its width matches with the type number of household electrical appliances two dried, size, transfer rate 0.8- 1.0m/s。
  3. A kind of 3. double device drying ovens of preheating type household electrical appliances two according to claim 1, it is characterised in that：Described drying oven (1) it is made up outside furnace shell of stainless steel, inside of heat insulation flame retardant material；Described drying oven (1) both ends are provided with opening, Its openings of sizes with dry the type number of family expenses two, size matches.
  4. A kind of 4. double device drying ovens of preheating type household electrical appliances two according to claim 1, it is characterised in that：Described hot air circulation System includes combustion air air supply system, fuel feed system and combustion system；Described combustion air air supply system includes helping Fire air pipe line (12), air heat exchanger (4), combustion fan (6)；Described fuel feed system include fuel conduit (13), Fuel heat exchangers (5), described fuel conduit (13) are provided with regulating valve (20)；Described combustion system include combustion chamber (2), Hot air circulation pipeline (15), air door (9), air distribution plate (10), burner (17) is provided with described combustion chamber (2).
  5. A kind of 5. double device drying ovens of preheating type household electrical appliances two according to claim 4, it is characterised in that：Described air heat-exchange Device (4), fuel heat exchangers (5) are heat exchange of heat pipe.
  6. A kind of 6. double device drying ovens of preheating type household electrical appliances two according to claim 4, it is characterised in that：Described air door (9) And air distribution plate (10) is made using stainless steel；The size of described air distribution plate (10) and the arrangement of hole slot and drying oven (1) Length and width dimensions and the device of household electrical appliances two (25) model, the size of drying match.
  7. A kind of 7. double device drying ovens of preheating type household electrical appliances two according to claim 1, it is characterised in that：Described purging system Including compressed air line supervisor (16), compressed air line branch pipe (26) and on compressed air line supervisor (16) Compressed air total valve (21), filter (23) and pressure gauge (22)；Blow valve port (18) is provided with branch pipe (26) end；Each branch pipe (26) branch road regulating valve (24) is provided with.
  8. A kind of 8. double device drying ovens of preheating type household electrical appliances two according to claim 7, it is characterised in that：Described blow valve port (18) arrangement and quantity and the length and width dimensions of drying oven and the device of family expenses two (25) model, the size of drying matches.
  9. A kind of 9. double device drying ovens of preheating type household electrical appliances two according to claim 1, it is characterised in that：Described tail gas clean-up System includes smoke discharging pipe (11), smoke exhaust fan (8) and exhaust pipe (14)；Set smoke exhaust fan (8) on smoke discharging pipe (11), two Group smoke discharging pipe (11) is connected with air heat exchanger (4) and fuel heat exchangers (5) respectively；Described smoke discharging pipe (11) is nearby set There is device for detecting temperature (7).
  10. A kind of 10. double device drying ovens of preheating type household electrical appliances two according to claim 9, it is characterised in that：Described offgas duct Road (14) is provided with degreasing unit (19).
CN201720415630.4U 2017-04-20 2017-04-20 A kind of device drying oven of double preheating type household electrical appliances two Active CN206724659U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720415630.4U CN206724659U (en) 2017-04-20 2017-04-20 A kind of device drying oven of double preheating type household electrical appliances two

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Application Number Priority Date Filing Date Title
CN201720415630.4U CN206724659U (en) 2017-04-20 2017-04-20 A kind of device drying oven of double preheating type household electrical appliances two

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107062880A (en) * 2017-04-20 2017-08-18 中冶华天工程技术有限公司 A kind of pair of device drying oven of preheating type household electrical appliances two

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107062880A (en) * 2017-04-20 2017-08-18 中冶华天工程技术有限公司 A kind of pair of device drying oven of preheating type household electrical appliances two

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