CN104879810A - Sloped pipe type preheater for kitchen - Google Patents

Sloped pipe type preheater for kitchen Download PDF

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Publication number
CN104879810A
CN104879810A CN201510279087.5A CN201510279087A CN104879810A CN 104879810 A CN104879810 A CN 104879810A CN 201510279087 A CN201510279087 A CN 201510279087A CN 104879810 A CN104879810 A CN 104879810A
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CN
China
Prior art keywords
kitchen
oil
type preheater
inclined tube
fume
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.)
Pending
Application number
CN201510279087.5A
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Chinese (zh)
Inventor
王海超
罗炜
邹永春
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CHINA COAL SIAN DESIGINEERING Co Ltd
Original Assignee
CHINA COAL SIAN DESIGINEERING Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by CHINA COAL SIAN DESIGINEERING Co Ltd filed Critical CHINA COAL SIAN DESIGINEERING Co Ltd
Priority to CN201510279087.5A priority Critical patent/CN104879810A/en
Publication of CN104879810A publication Critical patent/CN104879810A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24CDOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C15/00Details
    • F24C15/20Removing cooking fumes
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F5/00Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
    • F24F5/0096Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater combined with domestic apparatus

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
  • Ventilation (AREA)

Abstract

The invention discloses a sloped pipe type preheater for a kitchen. The sloped pipe type preheater comprises a shell with openings in two ends. A first flow stabilizing box and a second flow stabilizing box are respectively disposed at two ends of the shell. An oil fume inlet communicated with the first flow stabilizing box is arranged on the outer side of the first flow stabilizing box. An air outlet is formed in the bottom of the first flow stabilizing box. An oil fume outlet communicated with the second flow stabilizing box is arranged on the outer side of a second flow stabilizing box. An air inlet is formed in the top of the second flow stabilizing box. An oil collecting groove for collecting oil drops and water drops is arranged at the bottom of the second flow stabilizing box. A blowdown pipe is arranged on the oil collecting groove. The inner sides of the two flow stabilizing boxes are communicated through a plurality of inclining and parallel heat exchanging pipes. The sloped pipe type preheater has the advantages that waste heat in oil fume discharged from the kitchen can be effectively recycled, the waste heat is used to preheat the replenished air of the kitchen, heat waste is avoided while the coil pipe of a fresh air unit is effectively protected from being cracked by freezing due to the excessively-low temperature outdoor replenished air, and good economic and social benefits are brought to the popularization of a kitchen air preheating system.

Description

A kind of inclined tube-type preheater for kitchen use
Technical field:
The invention belongs to heat recovery and air preheat field, be specifically related to a kind of inclined tube-type preheater for kitchen use, for reclaiming discharging heat in cooking fume in large public building kitchen, and preheating is carried out to kitchen benefit wind, the outdoor new air temperature of solution is too low and cause the problem that Fresh air handling units coil pipe breaks and ventilation thermic load is excessive.
Background technology:
In recent years, public building energy development of new techniques is rapid, while pursuing good indoor environment, how to save building energy consumption better and is also paid attention to gradually by people.The kitchen internal contamination species in large-scale dining room is more, and concentration is higher, must timely and effectively by contaminant exclusion.Ventilation needed for public kitchen is often very large, and managing model rate of ventilation is generally 40-60 time/h, and western-style food kitchen is 30 ~ 40 times/h." civil buildings heating ventilator and In Air Conditioning Design specification " GB50736-2012 specifies, public kitchen is mended air quantity and should be matched with exhaust air rate, and is preferably the 80%-90% of exhaust air rate, and severe cold and cold district should take heating measures to mechanical makeup air.Dining room class building ventilation thermic load often accounts for building total heat duties significant proportion.Therefore, dining room class building ventilation energy consumption is reduced energy-conservation significant to what build.
Air preheat technology is widely used in building ventilation, field of air conditioning at present.By the exchange heat utilizing the air draft of building or other system and new wind to carry out, summer reclaims air-conditioning cold flow, reclaims air-conditioning heat winter.Public building kitchen ventilation includes a large amount of oil smoke and steam, has a strong impact on the heat exchange property of air preheater, and air draft easily cross pollution occurs with air-supply.Therefore, in the class architectural design of dining room, often do not consider the heat that recovery kitchen ventilation is taken away.
Summary of the invention:
The object of the invention is to solve because containing a large amount of oil smoke in kitchen, in kitchen ventilation, heat can not get good recycling, the problems such as the new air temperature in kitchen in winter is too low, provide a kind of inclined tube-type air preheater for kitchen use, effectively can utilize the outer new wind of the heat preheating chamber in kitchen ventilation on the one hand, alleviation equipment causes degradation of heat exchange performance because of fouling on the other hand, air draft and the problems such as cross pollution of blowing.
In order to achieve the above object, the present invention takes following technical scheme to be achieved:
A kind of inclined tube-type preheater for kitchen use, this inclined tube-type preheater for kitchen use comprises the housing of both ends open, the two ends of housing are respectively arranged with the first current stabilization case and the second current stabilization case, first current stabilization case arranged outside has the oil-feed mouth be connected, be provided with air outlet bottom it, the second current stabilization case arranged outside has the oil fume outlet be connected, and its top is provided with air inlet, be provided with the oil trap collecting oil droplet, water droplet bottom it, oil trap is provided with blow-off pipe; The inner side of two current stabilization casees by some inclinations and the heat exchanger tube be arranged in parallel be connected.
The present invention further improves and is, oil trap is also provided with cleanout.
The present invention further improves and is, the outer surface of each heat exchanger tube all welds some fins.
The present invention further improves and is, heat exchanger tube and fin all adopt thin-wall copper pipe to make.
The present invention further improves and is, the inner side of the first current stabilization case and the second current stabilization case is provided with the tube sheet evenly offering some through holes, and the inner side of two current stabilization casees is all connected by respective tube sheet and some heat exchanger tubes.
The present invention further improves and is, the inclination angle of heat exchanger tube is 5-20 °.
The present invention further improves and is, case material is heat preserving fiberglass, and the insulation material wherein in heat preserving fiberglass is polystyrene.
The present invention further improves and is, during use, this inclined tube-type preheater for kitchen use is arranged on outside kitchen, and the lampblack-sucking cover be arranged in kitchen is connected with oil-feed mouth by fume purifier of fume, and oil fume outlet is connected with mist extractor blower fan; Air outlet is connected with Fresh air handling units, and the outlet of Fresh air handling units is arranged in kitchen.
The present invention further improves and is, is all connected by airduct between lampblack-sucking cover with fume purifier of fume, between fume purifier of fume with oil-feed mouth, between oil fume outlet with mist extractor blower fan and between air outlet with Fresh air handling units.
The present invention further improves and is, the airduct at air outlet place is provided with the second push-pull valve, and the airduct at this place is by being divided into two strands after the second push-pull valve, one is communicated with Fresh air handling units, the openend of another strand is arranged on outside kitchen, and the airduct of another strand is provided with the first push-pull valve.
Relative to prior art, the present invention has following technique effect:
Take away amount of heat when 1, solving kitchen ventilation and can not get effectively reclaiming and winter, to mend air temperature too low and cause the problems such as Fresh air handling units coil frost broken in kitchen.
Severe cold and cold district, outdoor temperature is lower, and the kitchen of dining room class building is a lot of heat because of exhaust air rate excessive loss.Adopt inclined tube-type preheater for kitchen use of the present invention, when using in the winter time, the kitchen utilizing cooking fume that kitchen discharge temperature is higher too low to temperature is mended wind and is carried out preheating, not only solve the problem such as air preheat difficulty, coil frost broken of Fresh air handling units, decrease a large amount of ventilation thermic loads, well avoid the waste of energy.
2, structure is simple, and heat exchange efficiency is good, less scaling, clean and maintenance convenience
Described inclined tube-type preheater structure for kitchen use is simple, is easy to make and install.Every root heat exchanger tube has all welded some fins outward, both increases heat exchange area, turn increases the disturbance of pipe outer air, well improves heat exchange efficiency.It is more even that the current stabilization case that heat exchanger tube two ends are arranged can make to enter gas in each heat exchanger tube, is conducive to improving heat exchange efficiency.
3, heat exchanger tube is less scaling, clean and maintenance is convenient
In kitchen ventilation process, cooking fume, steam can condense into oil droplet, water droplet in heat transfer process in heat exchanger tube.Being in tilted layout of heat exchanger tube can prevent oil droplet, water droplet from stopping in heat exchanger tube and causing heat exchanger tube fouling, affects the heat exchange efficiency of heat exchanger tube.Be provided with oil trap at the current stabilization lower box part at oil fume outlet place, the dirt in housing can be got rid of by the cleanout that cell body is arranged and blow-off pipe in time.Cooking fume in heat exchanger tube, new wind outside heat exchanger tube, heat exchanger tube external cause fin can be solved more and cause cleaning the problem of difficulty.
4, season operating mode translation function
When considering non-heating season, outside air temperature is proper, and therefore the benefit wind in kitchen does not need preheating, directly can send into kitchen.The airduct place of inclined tube-type preheater air outlet for kitchen use is provided with two push-pull valves, and by controlling the closed of push-pull valve, when realizing non-heating season, the benefit wind in kitchen directly sends into the function in room.
Accompanying drawing illustrates:
Fig. 1 is that inclined tube-type preheater for kitchen use send in kitchen, scheme of installation in exhaust system.
Fig. 2 and Fig. 3 is all sectional drawings of inclined tube-type preheater for kitchen use.
Fig. 4 is the outline drawing of inclined tube-type preheater for kitchen use.
Label in figure represents respectively: 1. oil-feed mouth, 2. air outlet, 3. housing, 4. tube sheet, 5. blow-off pipe, 6. oil fume outlet, 7. air inlet, 8. heat exchanger tube, 9. fin, 10a. first current stabilization case, 10b. second current stabilization case, 11. cleanouts, 12. lampblack-sucking covers, 13. airducts, 14. fume purifier of fume, 15. first push-pull valves, 16. second push-pull valves, 17. Fresh air handling units, 18. inclined tube-type preheaters for kitchen use, 19. mist extractor blower fans, 20. kitchens.
Detailed description of the invention:
Below in conjunction with accompanying drawing, the present invention is described in further detail.
As shown in Figure 1, a kind of inclined tube-type preheater for kitchen use of the present invention, this inclined tube-type preheater 18 for kitchen use is arranged between air cleaning unit 14 and mist extractor blower fan 19.Cooking fume in kitchen 20 is delivered to fume purifier of fume 14 through exhaust duct 13 after being trapped by lampblack-sucking cover 12; Inclined tube-type preheater 18 for kitchen use is delivered to through airduct 13 after cooking fume is filtered in fume purifier of fume 14; Cooking fume is drained in air by mist extractor blower fan 19 after heat exchange in inclined tube-type preheater 18 for kitchen use.During heating season, first push-pull valve 15 cuts out, second push-pull valve 16 is opened, heated in the housing 3 that outdoor new wind enters inclined tube-type preheater 18 for kitchen use, new wind after preheating is sent to Fresh air handling units 17 through airduct 13, in Fresh air handling units 17, new wind is further heated and is sent to kitchen 20 to indoor design temperature.During non-heating season, because outside air temperature is proper, the benefit wind in kitchen does not need preheating, can directly send in kitchen.Open the first push-pull valve 15, close the second push-pull valve 16, outdoor new wind directly delivers to Fresh air handling units 17 through airduct 13, after Fresh air handling units 17 processes, deliver to kitchen 20.
As shown in Figures 2 to 4, the present invention's inclined tube-type preheater 18 for kitchen use comprises the housing 3 with oil-feed mouth 1, oil extraction mouth 6, air inlet 7, air outlet 2.Housing 3 profile is cube, and housing 3 size is determined according to mist extractor air quantity, benefit air quantity.Oil-feed mouth 1, oil fume outlet 6 place establish the first current stabilization case 10a and the second current stabilization case 10b that are separated out by tube sheet 4, are provided with oil trap bottom the second current stabilization case 10b at oil fume outlet 6 place.Oil trap outer wall is provided with cleanout 11 and blow-off pipe 5.Housing 3 inside is provided with heat exchanger tube 8, and angled rectangular of heat exchanger tube 8 is arranged in parallel, and heat exchanger tube 8 diameter, quantity, angle of inclination are determined according to housing 3 appearance and size size.Heat exchanger tube 8 two ends are connected with the tube sheet 4 on import and export place first current stabilization case 10a and the second current stabilization case 10b respectively.The intrinsic some fins 9 of every root heat exchanger tube 8 outer surface in housing 3.
Cooking fume enters the first current stabilization case 10a from oil-feed mouth 1, and outdoor new wind directly enters in housing 3 from air inlet 7, to enter in cooking fume in heat exchanger tube 8 and housing 3 newly wind and carries out exchange heat.In housing 3, new wind is admitted to kitchen 20 from air outlet 2 outflow after being heated.The fin 9 of heat exchanger tube outer wall increases the heat exchange area of gas, changes flowing gas state in housing 3, is equivalent to add disturbance device, makes heat exchange efficiency higher.Cooking fume is in heat exchanger tube 8 in heat transfer process, and the oil smoke in gas, steam condense into liquid oil droplet, water droplet after the cooling period, and these drops flow into the second current stabilization case 10b of band oil trap along the heat exchanger tube 8 be in tilted layout.Oil droplet be stored in oil trap a certain amount of after discharge housing 3 from blow-off pipe 5.
Inclined tube-type preheater 18 for kitchen use is when cleaning, and cleaning agent enters heat exchanger tube 8 from oil-feed mouth 1, and cleaning agent, after the heat exchanger tube 8 be in tilted layout flows into the second current stabilization case 10b of band oil trap, is discharged outside housing 3 from the blow-off pipe 5 oil trap.Oil trap outer wall place is provided with cleanout 11, closes at ordinary times, opens when clearing up the solids foul bottom oil trap.

Claims (10)

1. an inclined tube-type preheater for kitchen use, it is characterized in that, this inclined tube-type preheater (18) for kitchen use comprises the housing (3) of both ends open, the two ends of housing (3) are respectively arranged with the first current stabilization case (10a) and the second current stabilization case (10b), first current stabilization case (10a) arranged outside has the oil-feed mouth (1) be connected, air outlet (2) is provided with bottom it, second current stabilization case (10b) arranged outside has the oil fume outlet (6) be connected, its top is provided with air inlet (7), collection oil droplet is provided with bottom it, the oil trap of water droplet, oil trap is provided with blow-off pipe (5), the inner side of two current stabilization casees by some inclinations and the heat exchanger tube be arranged in parallel (8) be connected.
2. one according to claim 1 inclined tube-type preheater for kitchen use, is characterized in that, oil trap is also provided with cleanout (11).
3. one according to claim 1 inclined tube-type preheater for kitchen use, is characterized in that, the outer surface of each heat exchanger tube (8) all welds some fins (9).
4. one according to claim 3 inclined tube-type preheater for kitchen use, is characterized in that, heat exchanger tube (8) and fin (9) all adopt thin-wall copper pipe to make.
5. one according to claim 1 inclined tube-type preheater for kitchen use, it is characterized in that, the inner side of the first current stabilization case (10a) and the second current stabilization case (10b) is provided with the tube sheet (4) evenly offering some through holes, and the inner side of two current stabilization casees is all connected by respective tube sheet (4) and some heat exchanger tubes (8).
6. one according to claim 1 inclined tube-type preheater for kitchen use, is characterized in that, the inclination angle of heat exchanger tube (8) is 5-20 °.
7. one according to claim 1 inclined tube-type preheater for kitchen use, is characterized in that, housing (3) material is heat preserving fiberglass, and the insulation material wherein in heat preserving fiberglass is polystyrene.
8. one according to any one of claim 1 to 7 inclined tube-type preheater for kitchen use, it is characterized in that, during use, this inclined tube-type preheater (18) for kitchen use is arranged on kitchen (20) outward, the lampblack-sucking cover (12) be arranged in kitchen (20) is connected with oil-feed mouth (1) by fume purifier of fume (14), and oil fume outlet (6) is connected with mist extractor blower fan (19); Air outlet (2) is connected with Fresh air handling units (17), and the outlet of Fresh air handling units (17) is arranged in kitchen (20).
9. according to Claim 8 described in one inclined tube-type preheater for kitchen use, it is characterized in that, be all connected by airduct (13) between lampblack-sucking cover (12) with fume purifier of fume (14), between fume purifier of fume (14) with oil-feed mouth (1), between oil fume outlet (6) with mist extractor blower fan (19) and between air outlet (2) with Fresh air handling units (17).
10. according to the inclined tube-type preheater for kitchen use of the one described in claim 9, it is characterized in that, the airduct (13) at air outlet (2) place is provided with the second push-pull valve (16), and the airduct at this place (13) is by being divided into two strands after the second push-pull valve (16), one is communicated with Fresh air handling units (17), the openend of another strand is arranged on kitchen (20) outward, and the airduct of another strand (13) is provided with the first push-pull valve (15).
CN201510279087.5A 2015-05-27 2015-05-27 Sloped pipe type preheater for kitchen Pending CN104879810A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510279087.5A CN104879810A (en) 2015-05-27 2015-05-27 Sloped pipe type preheater for kitchen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510279087.5A CN104879810A (en) 2015-05-27 2015-05-27 Sloped pipe type preheater for kitchen

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CN104879810A true CN104879810A (en) 2015-09-02

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106439977A (en) * 2016-11-22 2017-02-22 沈阳建筑大学 Energy-saving kitchen air exchange device
CN109945258A (en) * 2019-03-12 2019-06-28 中山市金旺电器科技有限公司 A kind of new air heat-exchange device for fume-exhausting

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57456A (en) * 1980-06-03 1982-01-05 Sanyo Electric Co Ltd Solar heat accumulating apparatus for room cooling and heating
CN2287997Y (en) * 1997-01-29 1998-08-19 徐根良 Large blowing rate low-pressure drop purifier for kitchen fume
CN201662348U (en) * 2010-04-30 2010-12-01 李玉静 Waste gas heat exchanger for boarding machine
CN101915433A (en) * 2010-08-26 2010-12-15 苏宇贵 Kitchen flue gas heat-recovering device and kitchen flue gas heat-recovering fresh air system
CN202630731U (en) * 2012-05-25 2012-12-26 美意(浙江)空调设备有限公司 Novel air side heat exchanger
CN103591832A (en) * 2013-11-22 2014-02-19 茂名重力石化机械制造有限公司 Inclined-fin-tube heat exchanger
CN104344491A (en) * 2013-08-09 2015-02-11 苟仲武 Heat recovery warming air intake and exhaust system
CN204693544U (en) * 2015-05-27 2015-10-07 中煤西安设计工程有限责任公司 A kind of inclined tube-type preheater for kitchen use

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57456A (en) * 1980-06-03 1982-01-05 Sanyo Electric Co Ltd Solar heat accumulating apparatus for room cooling and heating
CN2287997Y (en) * 1997-01-29 1998-08-19 徐根良 Large blowing rate low-pressure drop purifier for kitchen fume
CN201662348U (en) * 2010-04-30 2010-12-01 李玉静 Waste gas heat exchanger for boarding machine
CN101915433A (en) * 2010-08-26 2010-12-15 苏宇贵 Kitchen flue gas heat-recovering device and kitchen flue gas heat-recovering fresh air system
CN202630731U (en) * 2012-05-25 2012-12-26 美意(浙江)空调设备有限公司 Novel air side heat exchanger
CN104344491A (en) * 2013-08-09 2015-02-11 苟仲武 Heat recovery warming air intake and exhaust system
CN103591832A (en) * 2013-11-22 2014-02-19 茂名重力石化机械制造有限公司 Inclined-fin-tube heat exchanger
CN204693544U (en) * 2015-05-27 2015-10-07 中煤西安设计工程有限责任公司 A kind of inclined tube-type preheater for kitchen use

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106439977A (en) * 2016-11-22 2017-02-22 沈阳建筑大学 Energy-saving kitchen air exchange device
CN109945258A (en) * 2019-03-12 2019-06-28 中山市金旺电器科技有限公司 A kind of new air heat-exchange device for fume-exhausting

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Application publication date: 20150902

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