CN105042657B - Range hood waste heat utilization system - Google Patents
Range hood waste heat utilization system Download PDFInfo
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- CN105042657B CN105042657B CN201510380780.1A CN201510380780A CN105042657B CN 105042657 B CN105042657 B CN 105042657B CN 201510380780 A CN201510380780 A CN 201510380780A CN 105042657 B CN105042657 B CN 105042657B
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Abstract
A range hood waste heat utilization system comprises a waste heat recovery module, a heat exchange module, and a fluid module. The waste heat recovery module absorbs the waste heat of flue gas of a range hood, then the heat is conveyed to the fluid module through the heat exchange module, and the fluid module comprises a fluid channel. Fluid flows along the fluid channel, and changes heat with the heat exchange module, and thus the heat is conveyed to the fluid in the fluid channel. The provided ranged hood waste heat utilization system can store the waste heat of a range hood, and then utilizes the thermal energy, so the energy can be saved, and the goals of energy saving and environment protection are achieved.
Description
Technical field
The invention belongs to field of waste heat utilization, more particularly, to a kind of smoke exhaust ventilator bootstrap system.
Background technology
With the high speed development of modern social economy, the mankind are increasing to the demand of the energy.But coal, oil, sky
So the traditional energy storage level such as gas constantly reduce, increasingly in short supply, cause rising steadily of price, conventional fossil fuel causes simultaneously
Problem of environmental pollution also further serious, the raising of these development that all significantly limit society and human life quality.The energy
Problem has become as one of distinct issues of contemporary world.Thus seek the new energy, particularly free of contamination cleaning energy
Source has become the focus of present people's research.And smoke exhaust ventilator flue gas can produce substantial amounts of waste heat, and these heats all damage in vain
Lose, and even with also because heat is intermittently it is impossible to continue, therefore the invention provides more than new smoke exhaust ventilator
Heat utilization system, discontinuous smoke exhaust ventilator waste heat is continuously got up, thus reaching Btu utilization.
China's atmosphere pollution is increasingly severe, and the bad air phenomenon such as sandstorm, haze is increasingly severe, 3/4 city
Resident absorbs the air less than cleaning.The time of modern 80～90% is spent indoors simultaneously, and the seal of modern building increases
Plus, various decorating and renovating materials, furniture and household chemicals etc. get in a large number, make indoor pollutant benzene homologues, volatility
Organic matter (voc), the source of pm2.5 and species increase.These pernicious gases retain, accumulate, and cause IAQ to deteriorate,
More increase one layer on the basis of outdoor air pollution, serious impact has been caused to person health.Lead to leukaemia, lung
Cancer, nervous system, respiratory system and immune system, the generation of the disease such as fetal congenital defect.
Ventilation is the key improving IAQ, dilutes indoor air pollutants with outdoor fresh air, makes dense
Degree reduces.But if outdoor air severe contamination (as high in sandstorm or pellet or other pollutant levels) will be kept away
Exempt from the ventilation that directly opens a window.The Per capita area of house is generally larger at present, and design generally specifies that the rate of ventilation of 0.3 time/hour is made
For winter fresh-air ventilation standard, indoor fresh air be continuously replenished the increase that undoubtedly can bring air conditioning energy consumption, according to relevant department
Measuring and calculating, current house total energy consumption has accounted for the 37% of national energy consumption, and in building energy consumption, accounts for in air-conditioning, the energy consumption of heating
The 35% ~ 50% of building energy consumption, with Summer and winter extreme climate frequently occurring and the duration increases, air-conditioner power consumption energy will
Constantly rise.
The novel efficient energy-saving smoke exhaust ventilator bootstrap system of invention, multi-layer filtrating equipment is put in import air channel,
Formaldehyde can effectively be filtered, voc, pm2.5 dusty gas reaches more than 99.9%, total-heat exchanger, energy-storage module etc. carry out discarded heat
The recycling of amount, after phase-change material temperature adjustment, the energy that heating, air-conditioning and hot water etc. undertake significantly reduces, phase transformation
Material is as a kind of hot functional material that can absorb or discharge latent heat, when environment temperature is higher than phase transition temperature, phase-change material
Undergo phase transition absorption heat, when environment temperature is down to below phase transition temperature, phase-change material undergoes phase transition release heat, thus reaching
Regulating and controlling temperature and the effect of storage energy, and be easy to recover in time after phase-change material phase transformation.Result of study shows, relatively common
For VMC, the smoke exhaust ventilator residual heat system of this patent introduction has a clear superiority in terms of energy-saving effect and comfort level, right
The sustainable development of the energy is significant.
Content of the invention
The invention provides a kind of novel cooking fume exhauster bootstrap system, this system can reach smoke exhaust ventilator flue gas
Sustainable utilization, and high-quality pure air can be provided.
For achieving the above object, the technical scheme is that
A kind of smoke exhaust ventilator residual neat recovering system, including waste heat recovery module, heat exchange module, fluid modules, described waste heat
Recycling module absorbs smoke exhaust ventilator fume afterheat, then passes to fluid modules by heat exchange module, fluid modules include fluid
Passage, fluid carries out heat exchange, transfers heat to the stream in fluid passage along fluid path, fluid and heat exchange module
Body.
Preferably, described fluid passage is air intake passage.
Preferably, also including filter, described filter is arranged in fluid channel inlet or fluid passage, described
Filter includes precipitator；Described lampblack absorber bootstrap system also includes detection module, and detection module is used for detecting
The particle concentration of air intake, fine particle data exceeds setting threshold value, and it sends a signal to control module, now opening filter
In electrostatic precipitator, receive and judge that fine particle data in fresh air is less than setting threshold value when meeting detection module, its
The number of delivering letters gives control module, closes the electrostatic precipitator in filter.
Preferably, also including filter, described filter is arranged in fluid channel inlet or fluid passage, described
Filter includes precipitator；Control module is according to particulate count according to carrying out the big of electric current in adjust automatically electrostatic precipitator
Little, when particulate count is according to becoming big, then automatically increases electric current, when particulate count is according to diminishing, then automatically turn the big of electric current down
Little.
Preferably, arranging a control function in control module;Described control function i=f (x), wherein i are that electric current is big
Little, x is particle concentration data, wherein f (x) ' > 0, f''(x) > 0, wherein f (x) ', f''(x) be f(x) first order derivative
And second derivative.
Preferably, also including filter, described filter is arranged in fluid channel inlet or fluid passage,
It is disposed with roughing efficiency air filter, precipitator, active carbon filter and high efficiency particulate air filter in described filter, just imitated
The distance between filter and precipitator are d1, and the distance between precipitator and active carbon filter are d2, activated carbon
The distance between filter and high efficiency particulate air filter are d3, d3:d2:d1=1:(1.15-1.3): (1.20-1.4).
Preferably, also including energy storage module, described heat exchange module transfers heat to energy storage module, and energy storage module is by warm
Amount passes to fluid；Energy storage module includes phase-change heat accumulation medium, described phase-change heat accumulation medium mass component include the following: by
Heat storage medium paraffin 50-70 part of 18-23 carbon atom, high density polyethylene (HDPE) hdpe filler 10-20 part, melamine phosphoric acid
Salt fire retardant 10-30 part, expanded graphite heat-conducting medium 5-15 part.
Preferably, fluid passage setting bypass channel, bypass channel arranges by-passing valve, on the main channel of fluid passage
Setting main valve, by the opening and closing of main valve and by-passing valve, switches flow direction so that fluid passes through or bypasses heat exchange module.
Preferably, inclusion controller, described fluid passage is air intake passage, and controller is according to the Interior Space temperature of measurement
Degree is come the flow direction that to automatically switch.
Preferably, replace main valve and bypath valve with triple valve.
With respect to prior art, the invention has the advantages that or advantage:
1. provide a kind of new smoke exhaust ventilator bootstrap system, the heat utilization enabling to smoke exhaust ventilator flue gas is continuous
Get up.
2. residual heat system according to the present invention, passes through fourfold filter in filtering module due to fresh air and purifies and filter
The distance between optimization, can get high-quality cleaning fresh air, right >=2.5 μm of fine particle purification efficiency will >=
99.9%, improve the filter efficiency of VMC, and greatly extend the service life of high efficiency particulate air filter.This VMC
In green building and green energy conservation industry, there is significant practicality and generalization.
3. realize automatically adjusting size of current according to particle concentration by control module, thus reaching energy saving.
The smoke exhaust ventilator waste heat recycling system of the present invention, arranges filtering oil smoke in the exhaust outlet porch of smoke exhaust ventilator
Device, the waste gas of smoke exhaust ventilator enters heat exchange case by airduct after filtering and is discharged to outdoor.Outdoor fresh air is under the driving of blower fan
After primary efficient filter screen is purified, carry out with the air draft of smoke exhaust ventilator entering after heat exchange in heat exchange case by airduct
Domestic kitchens.Heat exchange case is provided with two air channels in left and right, and centre is separated by dividing plate, and the air draft of smoke exhaust ventilator and outdoor fresh air are passed through
The heat pipe being inserted on dividing plate carries out countercurrent flow, and the heat exchange of waste gas and fresh air ensure that fresh air no additionally could in winter
Heated in the case of consumption, carried out the recycling of energy.By-passing valve is set at heat exchange case, summer, outdoor fresh air exists
Under the driving of blower fan after primary efficient filter screen is purified, kitchen is got in without heat exchange case by airduct, sky is provided
Gas feeds.
Brief description
Fig. 1 is smoke exhaust ventilator bootstrap system structural representation of the present invention；
Fig. 2 is the smoke exhaust ventilator bootstrap system schematic flow sheet of the present invention；
Fig. 3 is another embodiment schematic flow sheet of smoke exhaust ventilator bootstrap system of the present invention；
Fig. 4 is bypass line structural representation of the present invention；
Fig. 5 is filtering module structural representation of the present invention；
Fig. 6 is filtering module control structure schematic diagram of the present invention；
Fig. 7 is the embodiment that the present invention arranges heat storage.
In figure 1, cooking fume filter, 2, air intake passage, 3, dividing plate, 4, heat pipe, 5, heat exchange case, 6, triple valve, 7, air draft
Fan, 8, filter, 9, control module, 10, detection module, 11, roughing efficiency air filter, 12, precipitator, 13, activated carbon filters
Device, 14, high efficiency particulate air filter；15th, heat storage, 16, exhaust gases passes, 17, by-passing valve, 18, main valve, 19, heat storage, 20, water pipe.
Specific embodiment
Below in conjunction with the accompanying drawings, the invention will be further described.
A kind of smoke exhaust ventilator bootstrap system, including waste heat recovery module, heat exchange module, fluid modules, described waste heat
Recycling module absorbs the waste heat of smoke exhaust ventilator flue gas, then passes to fluid modules by heat exchange module, and fluid modules include flowing
Body passage, fluid carries out heat exchange, transfers heat to the stream in fluid passage along fluid path, fluid and heat exchange module
Body.
As shown in figure 1, preferably, described smoke exhaust ventilator bootstrap system includes heat pipe 4, described waste heat recovery module
Including the evaporation ends of heat pipe 4, described heat exchange module is the condensation end of heat pipe 4.The evaporator section through superheater tube 4 for the described flue gas, is carried out
Heating, the fluid in heat pipe 4 is evaporated, and then transfers heat to fluid in condensation segment, flow back into after then being condensed
Evaporator section.
Preferably, heat pipe 4 quantity is at 1～10.
Preferably, as shown in figure 1, described fluid passage is air intake passage 2.Further preferably, described air intake passage 2 is
Airduct.
Described evaporation ends and condensation end are separated by dividing plate 3.Wherein condensation end is arranged in air intake passage 2, and evaporation ends set
Put in lampblack absorber exhaust gases passes 16.
Preferably, heat pipe 4 is arranged in heat exchange casing 5.
Preferably, described smoke exhaust ventilator bootstrap system also includes filter 8, described cross filter 8 be arranged on into
In wind passage or be arranged on the entry position of air intake passage, for filtering inlet air, preferably, in described filter 8 successively
It is provided with roughing efficiency air filter 11, precipitator 12, active carbon filter 13 and high efficiency particulate air filter 14.
It was found that, between roughing efficiency air filter 11, precipitator 12, active carbon filter 13 and high efficiency particulate air filter 14
Distance can not be too small, too small if, cause air intake resistance excessive, noise is excessive, simultaneously nor excessive, excessive if can make
Become VMC volume excessive, therefore, find the optimal position relationship between each filter by many experiments:
The distance between roughing efficiency air filter 11 and precipitator 12 are d1, precipitator 12 and active carbon filter 13
The distance between be d2, the distance between active carbon filter 13 and high efficiency particulate air filter 14 are d3, meet such as between d1, d2, d3
Lower relation: d1 > d2 > d3；
Further preferably, d1-d2 < d2-d3；
Further preferably, d3:d2:d1=1:(1.15-1.3): (1.20-1.4)；
It is preferable to provide by above-mentioned, filter blast is relatively small, noise is lower and filter effect is more preferable, volume
Moderate.
Preferably, roughing efficiency air filter 11, precipitator 12, active carbon filter 13 and every two kinds of high efficiency particulate air filter 14
The distance between be 1cm-10cm；Preferably the distance between every two kinds is 2cm-5cm.
D1, d2, d3 refer to the distance in the adjacent face of two parts, such as d1 refers to roughing efficiency air filter 11 and electrostatic precipitation
The distance in adjacent face between device 12.
Preferably, described primary efficient filter screen is non-woven fabrics, nylon wire, fluffy Chopped Strand Mat, plastic wire or woven wire
One or more of.Preferably, primary efficient filter screen is the composite construction at least including two-layer, the composite construction of adjacent two layers
The direction of the skeleton structure fiber alignment of middle screen pack is orthogonal, by this kind of setting so that filter effect up in
Effect filters.
Preferably, precipitator 12 is Double-region electrostatic dust collect plant, first region endoparticle acquisition electric charge, second
In individual region, collecting plate is disposed in second area, and the particle obtaining electric charge is trapped by collecting plate, and adopts positive corona discharge
To reduce ozone yield.
Preferably, collecting plate arranges multiple dust pieces, between collecting plate, constitute air flow channel, the spacing of collecting plate adopts
3.5-7mm, preferably 3.5-5mm.
Preferably, described active carbon filter includes ozone can be carried out with the catalyst mno of catalytic decomposition2/cuo、
cuo/ni、mno2/pt、fe3o4/cuo、ag/fe2o3、ni/sio2One or more of.
Preferably mno2With cuo with activated carbon for carrier compound use by a certain percentage, wherein mno2Consumption accounts for 50%-80%,
The consumption of cuo accounts for 20%-60%, preferred mno2Consumption accounts for 60%-70%, and the consumption of cuo accounts for 30%-40%.In transiting metal oxidation
In thing, mno2Catalysis activity more excellent, the cuo of addition serves synergy and compared with noble metal catalyst, and cost is more
Low.
Preferably, catalyst is attached on active carbon filter screen pack through-hole structure together with activated carbon, through hole is tied
Structure is one of aluminium honeycomb, plastic honeycomb or paper honeycomb.The material of activated carbon is wood activated charcoal, active fruit shell carbon, ature of coal
One or more of activated carbon, petroleum-type activated carbon, regenerated carbon mineral raw material activated carbon, it is preferred to employ activation legal system
The shell class activated carbon obtaining.
Preferably, described high efficiency particulate air material be pp filter paper, glass fiber paper, in pet filter paper one or more.
Preferably, described smoke exhaust ventilator bootstrap system also includes control module 9, described control module 9 with quiet
Electrostatic (electric dust) precipitator 12 is attached, to be controlled to precipitator 12.For example include opening and closing, size of electricity etc..
Preferably, described lampblack absorber bootstrap system also includes detection module 10, detection module 10 is used for detecting newly
The particle concentration of wind, fine particle data exceeds setting threshold value, and it sends a signal to control module 9, now opening filter 8
In electrostatic precipitator 12, increase fresh air filtering times.When running into the preferable weather of air quality, detection module 10 receives
And judge that the fine particle data in fresh air is less than setting threshold value, it sends a signal to control module 9, closes in filter 8
Electrostatic precipitator 12, reduce electricity consumption.
Preferably, control module 9 comes the size of electric current in adjust automatically electrostatic precipitator 12, example according to particulate count evidence
As when particulate count is according to becoming big, then automatically increased electric current, when particulate count is according to diminishing, then automatically turning the big of electric current down
Little.
Can a control function be set in control module 9, control module is according to control function adjust automatically electric current
Size.Described control function i=f (x), wherein i are size of current, and x is particle concentration data, wherein f (x) ' > 0, f''(x)
> 0, wherein f (x) ', f''(x) be f(x) first order derivative and second derivative.Above-mentioned formula shows, with particle concentration
Increase, electric current is increasing, and the amplitude increasing is also increasing.The relation of above-mentioned formula is to be obtained by many experiments
, because increasing with concentration, the electric current of needs is increasing, but electric current is not proportional with the increase of particle concentration
Example increases, and the amplitude being to increase is increasing, only in this way, just can better meet the needs of room air.
Preferably, detection module 10 is arranged on the air intake passage with filter 8 downstream, the such as downstream of the heat pipe 4 of Fig. 1
Position, so can directly test the particle concentration of the in the air entering room.
Described control module 9 is capable of automatically adjusting electric current according to particle concentration.Control mode is as follows: assumes
When electric current i, fresh air duct particle concentration x, represent the filter effect meeting certain condition.Above-mentioned electric current i, particulate matter
Concentration x reference data.Described reference data is stored in control module 9.
When particle concentration becomes x, electric current i change is as follows:
I=i*(x/x)a, wherein a is parameter, 1.08 < a < 1.14；Preferably, a=1.11；
0.8< x/x <1.2.
By above-mentioned formula, it is possible to achieve according to the function of particle concentration Intelligent purifying air, saved electric energy.
Preferably, multigroup reference data can be inputted in control module 9.When two groups or multigroup reference data occur
In the case of it is provided that user select reference data interface it is preferred that system can automatically select (1-x/x)2Value
Minimum one.
Preferably, also including energy storage module, described heat exchange module transfers heat to energy storage module, and energy storage module is by warm
Amount passes to fluid.Preferably, energy storage module is evaporation ends setting heat storage medium in heat exchange casing 5.Preferably, it is described
Heat storage medium is phase-change heat accumulation medium.
Because sometimes not needing waste heat, now the flue gas of smoke exhaust ventilator passes through heat pipe evaporation ends, but is because not having
Fluid carries out heat exchange, causes heat to waste.By arranging heat storage medium, waste heat is stored in heat storage medium, can do
To utilize as needed, reach the needs of energy saving.
Preferably, arranging phase-change heat accumulation medium in described energy storage module, the mass component of described heat storage medium include as
Under: by heat storage medium paraffin 50-70 part of 18-23 carbon atom, high density polyethylene (HDPE) hdpe filler 10-20 part, melamine
Amine phosphate fire retardant 10-30 part, expanded graphite heat-conducting medium 5-15 part.
The paraffin of 18-23 carbon atom, latent heat of phase change is about 160-270kj/kg；Liquid paraffin is bound in high density and gathers
Ethene solidifies in the space net structure of formation in advance, forms qualitative phase change paraffin, solves what paraffin was easily revealed in engineering
Problem；Graphite has good adsorptivity and bound to paraffin, has good compatibility with paraffin, and has excellent heat conduction
Performance, solves the problems, such as that paraffin thermal conductivity factor is low, makes the latent heat of phase change of the qualitative phase change composite material of paraffin may be up to paraffin refined wax
The 80% of latent heat.
Preferably, heat storage medium is set to polylith, along on the flow direction of air intake, in different masses the number of paraffin by
Cumulative plus, the amplitude of wherein increase is gradually lowered.Increase and increase the setting of ratio by the fraction of paraffin, storage can be met
Heat storage capacity in energy heat exchanger gradually rises, and the amplitude raising is gradually lowered.
Preferably, described air intake passage 3 outer wall cladding insulation material, insulation material is polyurathamc, foaming is poly-
Propylene, ceramic fiber blanket or aerogel blanket.
The outer wall cladding insulation material of heat exchange casing 5.
Preferably, insulation material, it is a kind of heat-insulation layer in 5～20mm for thickness, this heat-insulation layer is using 3 weight %
Pentane foaming agent, 60-80 weight % polypropylene, 5-15 weight % decabrominated dipheny ether flame retardant, 2-10 weight % polyvinyl chloride abscess
Stabiliser compositions and make.The apparent thermal conductivity of above-mentioned insulation material is between 0.005～0.030w/m k.
Preferably, along the flow direction of fluid, the heat storage capacity of described heat storage medium gradually rises.
Preferably, along the direction of flow of fluid, the amplitude that the heat storage capacity of heat storage medium raises is gradually lowered.
Preferably, along the flow direction of air-supply, the phase transition temperature of phase change heat storage material gradually rises.It is further used as
Preferably, phase change heat storage material is set to polylith, and along air-supply flow direction, the phase transition temperature of every block of phase-change material gradually rises.
Preferably, heat storage medium is set to polylith, along on the flow direction of air, in different masses the number of paraffin by
Cumulative plus.
Preferably, along on the flow direction of air, the amplitude that the number of wherein paraffin increases is gradually lowered.
Preferably, as shown in figure 5, fluid passage setting bypass channel, bypass channel arranges by-passing valve 17, in fluid
On passage main channel, main valve 18 is set, by the opening and closing of main valve and by-passing valve, switch flow direction so that fluid pass through or
Bypass hold over system.
Preferably, inclusion control module, described fluid passage is air intake passage, and control module is according to the Interior Space of measurement
Temperature degree is come the flow direction that to automatically switch.
Preferably, control module can be with the amplitude of control bound door and the opening and closing of bypath valve, so that a part of
Fluid flows through bypass passageways, and in a part, fluid flows through main channel entrance accumulation of heat module heating.
For example indoor temperature is too high, higher than setting peak, then directly closes main valve, opens bypath valve, if room
Interior temperature spend low, less than set minimum, then close bypath valve, open main valve, if indoor temperature set minimum
And peak between, then bypath valve and main valve all open certain aperture.
Preferably, by-passing valve and main valve can be replaced using triple valve 6
Described airduct by-passing valve is placed on outdoor fresh air airduct, between air primary efficient filter screen and heat exchange case, is used for
Whether carry out the control conversion of heat exchange；In the winter time, close by-passing valve, outdoor fresh air is arranged with smoke exhaust ventilator through heat exchange case
After wind carries out abundant heat exchange, get in kitchen；In summer, open by-passing valve, outdoor fresh air without heat exchange case heat exchange, directly
Connect and offer air supply in kitchen is provided.
Fig. 7 illustrates an embodiment of setting heat storage 19.As shown in fig. 7, heat storage 19 is arranged on flow of flue gas
In the downstream of waste heat recovery module, the such as exhaust gases passes in the downstream of heat pipe 4, or exhaust gases passes pass through accumulation of heat module, will
The waste heat of flue gas passes to accumulation of heat module.By arranging accumulation of heat module, can be by the unnecessary heat transfer of flue gas to heat storage
19 save.By being arranged such, so that UTILIZATION OF VESIDUAL HEAT IN reaches maximization.Because in smoke exhaust ventilator UTILIZATION OF VESIDUAL HEAT IN,
Sometimes do not need to be aerated or sometimes waste heat excessively, causes to cannot be carried out utilizing, therefore passes through to arrange accumulation of heat mould
Block, so that waste heat is in the case of meeting ventilation heat exchange, unnecessary heat is stored, is reached the maximum of Btu utilization
Change.
Preferably, arranging water pipe 20 in heat storage 19.The heat of smoke exhaust ventilator waste gas is used after phase transformation casing heat accumulation
In water for kitchen use or other use water heating.
Preferably, heat storage setting phase change heat storage material, the composition of phase change heat storage material and its setting and above accumulation of heat
Module is identical, is just no longer described in detail.
Although the present invention is disclosed as above with preferred embodiment, the present invention is not limited to this.Any art technology
Personnel, without departing from the spirit and scope of the present invention, all can make various changes or modifications, and therefore protection scope of the present invention should
When being defined by claim limited range.
Claims (6)
1. a kind of smoke exhaust ventilator bootstrap system, including waste heat recovery module, heat exchange module, fluid modules, described waste heat returns
Receive module and absorb smoke exhaust ventilator fume afterheat, then fluid modules are passed to by heat exchange module, fluid modules include fluid and lead to
Road, fluid carries out heat exchange, transfers heat to the fluid in fluid passage along fluid path, fluid and heat exchange module；
Described fluid passage is air intake passage it is characterised in that also including filter, and described filter is arranged on fluid passage and enters
In mouth or fluid passage, described filter includes precipitator；Described lampblack absorber bootstrap system also includes detecting mould
Block, detection module is used for detecting the particle concentration of air intake, and particle concentration data exceeds setting threshold value, and it sends a signal to control
Molding block, the now precipitator in opening filter, receive and judge that the particulate matter in fresh air is dense when meeting detection module
Degrees of data is less than setting threshold value, and it sends a signal to control module, closes the precipitator in filter；
Control module according to particle concentration data come the size of electric current in adjust automatically precipitator, when particle concentration number
Big according to becoming, then automatically increase electric current, when particle concentration data diminishes, then automatically turn electric current down；
One control function is set in control module;Described control function i=f (x), wherein i are size of current, and x is that particulate matter is dense
Degrees of data, wherein f (x) ' > 0, f''(x) > 0, wherein f (x) ', f''(x) be f(x) first order derivative and second derivative.
2. smoke exhaust ventilator bootstrap system as claimed in claim 1 is it is characterised in that be disposed with described filter
Roughing efficiency air filter, precipitator, active carbon filter and high efficiency particulate air filter, between roughing efficiency air filter and precipitator away from
From for d1, the distance between precipitator and active carbon filter are d2, between active carbon filter and high efficiency particulate air filter
Distance is d3, d3:d2:d1=1:(1.15-1.3): (1.20-1.4).
3. the smoke exhaust ventilator bootstrap system as described in one of claim 1-2 is it is characterised in that also include energy storage module,
Described heat exchange module transfers heat to energy storage module, and energy storage module transfers heat to fluid；Energy storage module includes phase transformation
Heat storage medium, described phase-change heat accumulation medium mass component includes the following: by the heat storage medium paraffin 50-70 of 18-23 carbon atom
Part, high density polyethylene (HDPE) hdpe filler 10-20 part, melamine phosphate fire retardant 10-30 part, expanded graphite heat-conducting medium
5-15 part.
4. smoke exhaust ventilator bootstrap system according to claim 1 it is characterised in that: fluid passage setting bypass is logical
Road, bypass channel arranges by-passing valve, arranges main valve, by opening of main valve and by-passing valve on the main channel of fluid passage
Close, switching flow direction is so that fluid passes through or bypasses heat exchange module.
5. smoke exhaust ventilator bootstrap system according to claim 4 is it is characterised in that include controller, described fluid
Passage is air intake passage, and controller is according to the indoor air temperature measuring come the flow direction that automatically switches.
6. the smoke exhaust ventilator bootstrap system as described in one of claim 4 or 5 is it is characterised in that replaced with triple valve leading
Valve and bypath valve.
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| CN201510380780.1A CN105042657B (en) | 2015-07-02 | 2015-07-02 | Range hood waste heat utilization system |
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| CN201510380780.1A CN105042657B (en) | 2015-07-02 | 2015-07-02 | Range hood waste heat utilization system |
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| CN108405181A (en) * | 2018-03-02 | 2018-08-17 | 朱浩淼 | A kind of fume purifying waste-heat recovery device |
| CN110307573B (en) * | 2019-07-09 | 2020-11-10 | 山东国晟环境科技有限公司 | Circulating ultrafiltration oil smoke purifier for restaurant |
| CN110594816B (en) * | 2019-09-09 | 2021-02-26 | 宁波方太厨具有限公司 | Control method of range hood |
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| JPS60223957A (en) * | 1984-04-20 | 1985-11-08 | Nippon Denso Co Ltd | Indoor heating device utilizing waste heat of cooking device |
| CN101368744A (en) * | 2007-08-17 | 2009-02-18 | 朱友良 | Heat pipe oil smoke gas-gas purifier |
| CN102408877B (en) * | 2011-07-12 | 2014-03-12 | 北京化工大学 | Phase-transition composite material, preparation method and application thereof |
| CN103968438B (en) * | 2014-05-27 | 2016-05-11 | 哈尔滨工业大学 | The energy-conservation lampblack absorber of a kind of exhaust ventilation heat exchange |
| CN204115147U (en) * | 2014-08-06 | 2015-01-21 | 上海永健仪器设备有限公司 | The new wind-heat of electrostatic exchanges integral type clarifier |
| CN204962899U (en) * | 2015-07-02 | 2016-01-13 | 青岛科瑞新型环保材料有限公司 | Residual heat utilization system of range hood |
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2015
- 2015-07-02 CN CN201510380780.1A patent/CN105042657B/en active Active
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Denomination of invention: A waste heat utilization system for range hood Effective date of registration: 20201012 Granted publication date: 20170125 Pledgee: Qingdao Huiquan Private Capital Management Co., Ltd Pledgor: QINGDAO KERUI NEW ENVIRONMENTAL MATERIALS GROUP Co.,Ltd. Registration number: Y2020370010043 |
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