CN207797173U - A kind of interior circularly purifying oil smoke integrated system - Google Patents
A kind of interior circularly purifying oil smoke integrated system Download PDFInfo
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- CN207797173U CN207797173U CN201820082886.2U CN201820082886U CN207797173U CN 207797173 U CN207797173 U CN 207797173U CN 201820082886 U CN201820082886 U CN 201820082886U CN 207797173 U CN207797173 U CN 207797173U
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- 239000000779 smoke Substances 0.000 title claims abstract description 66
- 239000003517 fume Substances 0.000 claims abstract description 64
- 239000000126 substance Substances 0.000 claims description 24
- 230000000694 effects Effects 0.000 claims description 16
- 238000001914 filtration Methods 0.000 claims description 13
- 230000002745 absorbent Effects 0.000 claims description 11
- 239000002250 absorbent Substances 0.000 claims description 11
- 230000008901 benefit Effects 0.000 claims description 8
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 3
- 238000004659 sterilization and disinfection Methods 0.000 claims description 2
- 238000010025 steaming Methods 0.000 claims 1
- 238000010411 cooking Methods 0.000 abstract description 17
- 238000000746 purification Methods 0.000 abstract description 14
- 238000005516 engineering process Methods 0.000 abstract description 7
- 238000005265 energy consumption Methods 0.000 abstract description 6
- 238000011282 treatment Methods 0.000 abstract description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 2
- 229910052760 oxygen Inorganic materials 0.000 abstract description 2
- 239000001301 oxygen Substances 0.000 abstract description 2
- 238000005381 potential energy Methods 0.000 abstract description 2
- 239000013618 particulate matter Substances 0.000 description 10
- 239000005416 organic matter Substances 0.000 description 9
- 239000007789 gas Substances 0.000 description 8
- 239000000306 component Substances 0.000 description 6
- 239000004519 grease Substances 0.000 description 6
- 230000002378 acidificating effect Effects 0.000 description 5
- 230000005684 electric field Effects 0.000 description 4
- 235000013305 food Nutrition 0.000 description 4
- 239000004071 soot Substances 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000001965 increasing effect Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- -1 vapor Substances 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 239000003513 alkali Substances 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000013043 chemical agent Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 239000006233 lamp black Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000002161 passivation Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 235000012054 meals Nutrition 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000000505 pernicious effect Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Baking, Grill, Roasting (AREA)
Abstract
The utility model belongs to cooking fume purification treatment technology field, discloses a kind of interior circularly purifying oil smoke integrated system, is made of hearth, kitchen range, jet stream focus generator, air-introduced machine, fume purifier of fume, booster fan, circulating line；Air-introduced machine, fume purifier of fume, booster fan, air-flow focus generator, air-introduced machine are sequentially communicated by pipeline.Loss to air is only the required oxygen demand of kitchen range burning institute, almost nil to room air energy loss.Due to inner air circulation, kinetic equation loss is the resistance overcome in airflow circulating, and the kinetic energy and potential energy that power plant generates are fully used.Comprehensive energy consumption is tested less than kitchen ventilator (containing commercial kitchen ventilator) and integrated kitchen range 1/50th.More importantly thoroughly solve the problems, such as that cooking fume pollutes indoor and outdoor air, the universal use of the utility model will be to improving atmospheric environment, and reducing PM2.5 has Great significance.
Description
Technical field
The utility model belongs to cooking fume purification treatment technology field more particularly to a kind of interior circularly purifying oil smoke is integrated
System.
Background technology
Currently, the prior art commonly used in the trade is such：Cooking fume is mainly by three component parts, i.e. fuel combustion
Tail gas, food materials overflow, the grease of generation crack vapour and vapor at high temperature.Tail gas, the food of fuel combustion generation
Material overflow, grease crack vapour and are polluted to indoor and outdoor surroundings at high temperature, and existing oil soot exhauster includes oil smoke
Machine (containing commercial kitchen ventilator), integrated kitchen range, fume purifier of fume includes the devices such as high-pressure electrostatic, plasma, filtering, chemical absorbing.
Whether which kind of kitchen ventilator and integrated kitchen range, also whether which kind of purifier, by discharge environment and purification techniques
It influences, all cannot effectively solve cooking fume pollution indoor and outdoor surroundings and huge energy is caused to waste.
Kitchen ventilator illustrated below (containing commercial kitchen ventilator), integrated kitchen range at work caused by energy waste situation.
Assuming that the discharge capacity of kitchen ventilator and integrated kitchen range 15 DEG C of indoor/outdoor temperature-difference at work, kitchen ventilator and integrated kitchen range is 1200 vertical
Square m/h, the cold air or heating energy of the waste in 1 hour of kitchen ventilator or integrated kitchen range work are：Q=cm Δ t, might as well be to kitchen ventilator
A rough calculation is done with 1 hour environment energy consumption of integrated kitchen range work：Q=cm Δs t, c=1000J/ (kg DEG C), m=1.29kg/
M3*1200m3=1548kg, t=15 DEG C of Δ, environment energy consumption caused by one hour of kitchen ventilator or integrated kitchen range are Q=2.322x10^7Joule, 3600000 joules of heat is roughly equal to 1 kwh, is converted into ammeter reading as 6.45 degree of electricity.
Direct consumption of electr ic energy when general kitchen ventilator and integrated kitchen range use is no more than 0.5 degree of electricity/hour, by simply calculating, oil
The environment energy consumption of one hour of smoke machine and integrated kitchen range is more than 10 times of own energy consumption.
Technology for cooking fume control existing is analyzed again, by taking high-pressure electrostatic ionization technique as an example.
This technology is the mounting anode and cathode plate on the path that oil smoke is advanced, and oil smoke passes through among pole plate, and pole plate is powered,
Strength electric field is formed between pole plate, the partial organic substances in oil smoke are ionized carbonization when passing through electric field, to realize purification
The purpose of oil smoke.
Actual conditions are, since oil smoke is fast and flow is big by the flow velocity between pole plate, electric field cannot ionize oil smoke completely
In organic matter；In addition, after being carbonized due to organic matter, soot particulate matter is attached to polar board surface, makes pole plate passivation, with carbon
The increase of grain object, clean-up effect and efficiency can all decline, and cannot really play purifying oil fume, the purpose of environmental protection.
In conclusion problem of the existing technology is：Due to oil smoke by flow velocity between pole plate soon and flow is big, it is electric
Field cannot ionize the organic matter in oil smoke completely；In addition, after being carbonized due to organic matter, soot particulate matter is attached to polar board surface,
Make pole plate passivation, with the increase of soot particulate matter, clean-up effect and efficiency can all decline, and cannot really play purifying oil fume, protect
The purpose in retaining ring border.
Utility model content
In view of the problems of the existing technology, the utility model provides a kind of interior circularly purifying oil smoke integrated system.
The utility model is realized in this way a kind of interior circularly purifying oil smoke integrated system, is gathered by hearth, kitchen range, jet stream
Burnt generator, air-introduced machine, fume purifier of fume, booster fan and air duct collectively constitute.
Hearth is made of babinet and table top, built-in can be steamed in babinet, oven or disinfection cupboard and for placing purification dress
Set the container and power plant of chemical absorbent.
Kitchen range are placed in hearth table top, are located in jet stream focus generator, kitchen range central point and jet stream focus generator weight
It closes, with fan inlet center vertical alignment.
Jet stream focus generator is the critical component of the utility model, it is common by air distributor, body and air guide hole
Composition.The air-flow that it sends booster fan by air duct forms one layer of uniform round platform wind through over commutation, water conservancy diversion through air outlet
Curtain, air curtain round platform bottom maximum gauge are internal diameter on the outside of air outlet, are overlapped with fan inlet at the top of air curtain round platform, diameter
It is exactly equal to fan inlet diameter, air curtain under the action of itself normal pressure and dynamic pressure and air inducing machine negative pressure, cook by package
Oil smoke of preparing food enters air-introduced machine together, excludes surrounding air and flows into air-introduced machine, avoids increasing system's work-load and system work pair
The influence of room air.The function of air curtain, which also resides in, to be inhibited cooking fume diffusion, prevents oil smoke from escaping before cleaning, and oil smoke is avoided
It is mixed with the air outside air curtain, to which the oil smoke concentration of purification is maintained at maximum rating, is conducive to the work for improving purifier
Make efficiency.
Air-introduced machine introduces system after workmanship as the major impetus device in system, by air curtain and oil smoke, make oil smoke with
The acquisition of air curtain mixed airflow overcomes energy necessary to the resistance of fume purifier of fume.The diameter of fan inlet must and wind
It is outer through equal at the top of curtain round platform.
Fume purifier of fume is one of core component of the utility model, its purification efficiency and purification result directly affects
The application of the utility model and using effect.It is constituted according to the substance of cooking fume, is purified using economic benefits and social benefits, often effect purification useization
It learns to absorb and be combined with physical filtering, often three layer arrangements of effect point, levels are physical filtering net, are chemical suction between levels
Receive conversion zone.One effect purified treatment is for the grease and Acidic organic matter in oil smoke, using safety alkalinity chemical absorbent and object
Reason filter screen is combined processing.Alkali electroless absorbent passes through atomization and the Acidic organic matter and grease hybrid reaction in oil smoke,
Particulate matter and the purification of this effect in physical filtering net filtration oil smoke form saponified, increase chemical time and chemical reaction
Thorough density, while alkali electroless absorbent and two being avoided to imitate the generation neutralization reaction of acidic chemical absorbent, reduce chemical absorbing
The using effect of agent.Two effect purified treatments are absorbed for the oxide and alkaline organic in oil smoke using safe acidic chemical
Agent and physical filtering net combination processing.Acidic chemical absorbent through be atomized in oil smoke oxide and alkaline organic mix instead
It answers, the wadding compound that the particulate matter and the purification of this effect that physical filtering net is further crossed in filtering fume are formed increases chemical time
With chemically react thorough density, while acidity chemical absorbent being avoided to enter air curtain air-flow.
Oil smoke is cleaned by the harmful substance in the not clean oil smoke of fume purifier of fume, while the vapor in oil smoke is coagulated
Knot is detached from oil smoke, while deep fat cigarette and air curtain mixed airflow, under the cooling of chemical absorbent, volume is reduced rapidly, in addition
Pernicious gas, vapor, grease, particulate matter in oil smoke are absorbed, and system annular airflow flow substantially constant will be kept.
For booster fan with draft mechanism at system circulation airflow power device, on the one hand booster fan is fume purifier of fume
Air-negative-pressure is provided, the air-flow positive pressure formed with air-introduced machine overcomes resistance of the fume purifier of fume to air-flow jointly, while to penetrate
The air curtain for flowing focus generator provides dynamic pressure and static pressure.
Diversion air duct is the pipeline for connecting booster fan and jet stream focus generator.
In conclusion the advantages of the utility model and good effect are：Loss to air is only kitchen range burning must
Oxygen demand is needed, it is almost nil to room air energy loss.Due to inner air circulation, kinetic equation loss only overcomes in airflow circulating
Resistance, power plant generate kinetic energy and potential energy be fully used.Comprehensive energy consumption is tested less than kitchen ventilator (containing commercial oil smoke
Machine) and integrated kitchen range 1/50th.More importantly thoroughly solve the problems, such as that cooking fume pollutes indoor and outdoor air, this practicality
Novel universal use, will be to improving atmospheric environment, and reducing PM2.5 has Great significance.
Description of the drawings
Fig. 1 is the interior circularly purifying oil smoke integrated system example structure outline drawing that the utility model embodiment provides；
Fig. 2 is that the jet stream for the interior circularly purifying oil smoke integrated system embodiment that the utility model embodiment provides focuses generation
Device schematic diagram；
In figure：1, hearth；2, jet stream focus generator；3, jet stream focus generator air guide hole；4, jet stream focus generator
Air distributor；5, interior circulating current flow direction；6, air-introduced machine；7, fume purifier of fume chemical absorbing, physical filtering area；8, oil smoke
Purifier；9, booster fan；10, diversion air duct air inlet；11, diversion air duct；12, jet stream focus generator air curtain top；
13, jet stream focus generator air curtain bottom end；O, air curtain focus；O1, air curtain top center and fan inlet center；O2, wind
Curtain bottom center and jet stream focus generator air guide hole center；A, the point of intersection of tangents of air curtain bottom end and air curtain flow direction；B, air curtain top
The point of intersection of tangents at end and air curtain flow direction；A, the angle of jet stream focus generator air guide hole and air curtain and air curtain horizontal cross-section.
Specific implementation mode
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, with reference to embodiments, to this
Utility model is further elaborated.It should be appreciated that specific embodiment described herein is only used to explain this practicality
It is novel, it is not used to limit the utility model.
Circularly purifying oil smoke integrated system thoroughly overturns traditional kitchen ventilator (containing commercial kitchen ventilator) suction in the utility model
Principle, with the method for circularly purifying.In system, air-flow flow is passed through air-introduced machine --- fume purifier of fume --- and is pressurized successively
Wind turbine --- jet stream focus generator --- air-introduced machine realizes the flowing of air-flow closed loop cycle and flue gas recirculation purification.
When open system is cooked, air-flow passes through air-introduced machine --- fume purifier of fume --- booster fan --- jet stream successively
Focus generator --- air-introduced machine realizes that the flowing of air-flow closed loop cycle, the oil smoke that pot and stove generates are generated by air-flow focus generator
Annular air curtain package be sent into air-introduced machine, after oil smoke is cleaned, the harmful components such as particulate matter, oxide, organic matter in oil smoke
Major part is cleaned device and purifies for the first time, even if purified oil smoke is not purified completely, due to air-flow closed circulation,
Harmful components in the oil smoke continuous circularly purifying in system, will not occur harmful components and be diffused into indoor and outdoor.
Physical filtering and chemical absorbing principle can be used in the purifier of this system, and particulate matter is repeatedly filtered, oxide
It is then absorbed repeatedly by chemical absorbent with organic matter, final oil smoke, which reaches, to be fully cleaned up.
When culinary art is carried out continuously, how to realize that air flow rate balancesDue to air-flow closed circulation, in haveing suffered flow,
Cooking fume constantly generates, and system circulation flow seems be continuously increased, experiments have shown that, after purifier is handled, oil smoke
In organic matter, oxide, particulate matter and vapor filtered and chemical agent absorb, since hot oil smoke encounters chemical drugs
Agent cools down rapidly, and the increased flow of cooking fume is cleaned the capacity that device is filtered, absorbs, cooled down and is balanced, so in system
When work, circulating current flow is in a basic balance in system.
At this it should also be noted that air-flow focus generator air outlet diameter in the utility model, jet-impingement angle with
Fan inlet diameter and its mutual centre are vertical and distance is arranged according to Fig. 2.
Circularly purifying oil smoke integrated system is to handle kitchen lampblack completely in the utility model, avoids kitchen lampblack pollution empty
Gas especially has found most heavy solution to the processing of Chinese meal cooking fume, realize low-carbon, environmental protection, health life producer
Formula.
As shown in Figure 1, being that circularly purifying oil smoke integrated system implements illustration in the utility model.Including 1. hearths；2. penetrating
Flow focus generator；3. jet stream focus generator air guide hole；4. jet stream focus generator air distributor；Circulating current stream in 5.
To；6. air-introduced machine；7. fume purifier of fume chemical absorbing, physical filtering area；8. fume purifier of fume；9. booster fan；10. leading
Flow air inlet of air duct；11. diversion air duct.
As shown in Fig. 2, being the jet stream focus generator schematic diagram of circularly purifying oil smoke integrated system in the utility model.Packet
Containing 12. jet stream focus generator air curtain tops；13. jet stream focus generator air curtain bottom end.
Before culinary art starts, interior circularly purifying oil smoke integrated system is first opened.
Air-introduced machine 6, fume purifier of fume 8, booster fan 9 work at the same time in the utility model, and air-introduced machine 6 sucks Interior Space
Gas, air-flow 5 enter booster fan 9 after flowing through fume purifier of fume 8, after flowing through diversion air duct 11 after the supercharging of booster fan 9, gas
Stream is admitted to the jet stream focus generator air distributor 4 of jet stream focus generator 2, and air-flow 5 is whole by jet stream focus generator 2
Stream formed be evenly distributed, the principle of static-pressure uniform and the uniform air-flow of flow velocity 5 as shown in Figure 2 is from jet stream focus generator air guide hole
3 spray annular air curtain, and air curtain air-flow flows into air-introduced machine 6 under the negative pressure collective effect that itself normal pressure and air-introduced machine 6 are formed,
Air-flow circulates in the utility model in circularly purifying oil smoke integrated system.
Kitchen range are opened, culinary art starts.
The tail gas of kitchen range burning, food materials overflow, grease gasification cracking object and vapor collectively constitute in cooking utensil
Cooking fume, oil smoke is under heat power, temperature difference, density contrast, pressure difference, the collective effect of concentration difference, upward and cooker outer
Movement, since the air curtain that oil smoke is formed by jet stream focus generator 2 wraps up, oil smoke itself heat power, temperature difference, density contrast,
It is complete after being mixed with air curtain air-flow under the negative pressure collective effect that the power effect and air-introduced machine 6 that pressure difference, concentration difference are formed generate
Complete to import fume purifier of fume 8, oil smoke passes through at the purification for flowing through fume purifier of fume economic benefits and social benefits chemical absorbing and physical filtering area 7
It manages, the heat of oil smoke institute band is also by oil fume purifier while harmful components, particulate matter in oil smoke, vapor are cleaned substantially
In chemical absorbent absorb, be converted into promote chemical reaction energy, from fume purifier of fume 8 flow out exhaust flow be less than
Enter the air flow rate of air-introduced machine 6 when culinary art, purified tail gas is sent under the action of booster fan 9 through diversion air duct 11
The air distributor 4 of jet stream focus generator 2, air-flow is under the action of distributor 4, in 3 shape of jet stream focus generator air guide hole
Air curtain is circularized, package cooking fume is sent into fume purifier of fume 8 through air-introduced machine 6 and is purified.
Circularly purifying oil smoke integrated system works in the utility model, and the oil smoke for cooking generation just constantly purifies and cycle is net
Change.
After stopping culinary art work, this system is allowed to work on several minutes, until the harmful substance in circulating current is thorough
This system is closed after purification.
It is the jet stream focus generator schematic diagram of the interior circularly purifying oil smoke integrated system embodiment shown in Fig. 2.
The diameter of the air guide hole 3 of jet stream focus generator 2, the diameter of 6 air inlet of air-introduced machine, jet stream focus generator 2
Air guide hole 3 and air curtain and the angle a of air curtain horizontal cross-section and air curtain top center and fan inlet center O1 and air curtain
The distance between bottom center and jet stream focus generator air guide hole center O2 are determined according to trigonometric function relationship.Ensureing not shadow
Under the premise of ringing cooking operation, in order to ensure the validity of air curtain, the 6 air inlet center O1 of selection and air-introduced machine of the angle a number of degrees
Distance to jet stream focus generator center O2 is 6 air inlet of diameter and air-introduced machine by jet stream focus generator air guide hole 3
What diameter determined.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
All any modification, equivalent and improvement etc., should be included in the utility model made by within the spirit and principle of utility model
Protection domain within.
Claims (6)
1. a kind of interior circularly purifying oil smoke integrated system, which is characterized in that the interior circularly purifying oil smoke integrated system by hearth,
Kitchen range, jet stream focus generator, air-introduced machine, fume purifier of fume, booster fan, circulating line are constituted；
Air-introduced machine, fume purifier of fume, booster fan, air-flow focus generator, air-introduced machine are sequentially communicated by pipeline.
2. circularly purifying oil smoke integrated system in as described in claim 1, which is characterized in that the jet stream focus generator by
Air distributor, body and air guide hole composition；
Air curtain round platform bottom maximum gauge is internal diameter on the outside of air outlet, is completely superposed with fan inlet at the top of air curtain round platform,
Its diameter is equal to fan inlet diameter.
3. circularly purifying oil smoke integrated system in as described in claim 1, which is characterized in that the fume purifier of fume uses
Economic benefits and social benefits, often three layer arrangements of effect point, levels are physical filtering net, are chemical absorbing conversion zone between levels.
4. circularly purifying oil smoke integrated system in as described in claim 1, which is characterized in that the booster fan and air-introduced machine
Constitute system circulation airflow power device, air-introduced machine be it is single only or more are used in parallel or in series, booster fan is zero or more
Only it is used in parallel or in series.
5. circularly purifying oil smoke integrated system in as described in claim 1, which is characterized in that the wind-guiding of jet stream focus generator
The angle of mouthful diameter, the diameter of fan inlet, jet stream focus generator air guide hole angle and air curtain and air curtain horizontal cross-section,
And air curtain top center and fan inlet center and air curtain bottom center and jet stream focus generator air guide hole center it
Between distance determine according to trigonometric function relationship determine；
Selection and fan inlet center to jet stream focus generator center of the air curtain with the angle number of degrees of air curtain horizontal cross-section
Distance be to be determined by the diameter of jet stream focus generator air guide hole and the diameter of fan inlet.
6. circularly purifying oil smoke integrated system in as described in claim 1, which is characterized in that hearth is by babinet and table top structure
At steaming, oven or disinfection cupboard and the container for placing purifier chemical absorbent and power plant built in babinet.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
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| CN201720430904 | 2017-04-21 | ||
| CN2017204309047 | 2017-04-21 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107975854A (en) * | 2017-04-21 | 2018-05-01 | 杨肇 | Internal circulation oil smoke purification integrated system |
| CN109915876A (en) * | 2019-04-13 | 2019-06-21 | 冯健满 | Brattice formula range hood |
-
2018
- 2018-01-18 CN CN201820082886.2U patent/CN207797173U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107975854A (en) * | 2017-04-21 | 2018-05-01 | 杨肇 | Internal circulation oil smoke purification integrated system |
| CN109915876A (en) * | 2019-04-13 | 2019-06-21 | 冯健满 | Brattice formula range hood |
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Effective date of registration: 20210811 Address after: 528415 6th floor, building 7, No. 58, Zhuyuan Chuangye Road, Xiaolan Town, Zhongshan City, Guangdong Province Patentee after: Zhongshan keluosi Technology Co.,Ltd. Address before: No.135-14 Fuyuan street, Jianye District, Nanjing City, Jiangsu Province, 210019 Patentee before: Nanjing David Yang Environmental Protection Co.,Ltd. |
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