CN112393292A - Multi-stage isolation oil fume purification device - Google Patents
Multi-stage isolation oil fume purification device Download PDFInfo
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- CN112393292A CN112393292A CN202011187928.7A CN202011187928A CN112393292A CN 112393292 A CN112393292 A CN 112393292A CN 202011187928 A CN202011187928 A CN 202011187928A CN 112393292 A CN112393292 A CN 112393292A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
- F24C15/20—Removing cooking fumes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/10—Combinations of devices covered by groups B01D45/00, B01D46/00 and B01D47/00
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/007—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by irradiation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/76—Gas phase processes, e.g. by using aerosols
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
- F24C15/20—Removing cooking fumes
- F24C15/2035—Arrangement or mounting of filters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
- F24C15/20—Removing cooking fumes
- F24C15/2057—Removing cooking fumes using a cleaning liquid
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/10—Oxidants
- B01D2251/104—Ozone
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/80—Employing electric, magnetic, electromagnetic or wave energy, or particle radiation
- B01D2259/804—UV light
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Abstract
The invention discloses a multi-stage isolation lampblack purification device which comprises a lampblack collection cabinet body, a negative pressure fan, a first-stage separation device, a second-stage separation device, a third-stage separation device, a fourth-stage separation device and a smoke exhaust pipe, wherein the negative pressure fan is fixed on the lampblack collection cabinet body, the first-stage separation device and the second-stage separation device are fixed at an air inlet of the lampblack collection cabinet body, and an air outlet of the negative pressure fan is communicated with the third-stage separation device, the fourth-stage separation device and the smoke exhaust pipe in sequence. The invention has the advantages that; the device realizes the level four filtering separation of oil smoke through setting up of one-level separator, second grade separator, tertiary separator, level four separator, improves cigarette purifying effect, and the oil smoke reaches emission standard to can also prevent that the oil smoke condensation from attaching to lampblack absorber equipment surface, make things convenient for the later stage clean, improve the device's life.
Description
Technical Field
The invention relates to the technical field of oil fume purification, in particular to a multi-stage isolation oil fume purification device.
Background
The cooking fume exhaust gas is a volatile substance generated by a series of complex chemical reactions of thermal oxidation, thermal cracking and the like of edible oil and food at high temperature, has complex components, mainly comprises aldehydes, ketones, hydrocarbons, fatty acids, aromatic compounds and heterocyclic compounds, and has three forms of gaseous, liquid small particles and solid small particles. Oil smoke emission of catering is always a key difficulty in treatment of kitchen environment and air pollution sources, especially in places such as hotels, institutions, schools, factories and the like, oil smoke is mainly extracted out of a room through a large negative pressure fan and then purified, an air pipe needs to be installed, the occupied space of the air pipe is large, oil dirt in the air pipe is not easy to clean, the oil dirt is easy to seep out from joints or gaps of the air pipe, secondary pollution is caused, and the oil smoke emission is not beneficial to long-term use.
At present, the oil fume purification treatment mode is single, for example, chinese patent publication No. CN106196214A discloses a cooking oil fume condensation purifier, which adopts a condensation process to purify the oil fume, but the oil fume is condensed and attached to the surface of the range hood equipment, which is difficult to clean, and can corrode the equipment for a long time, thus affecting the service life of the equipment, and the mode of purifying the oil fume only through a physical process is not thorough, the black smoke particles and chemical gel in the oil fume still cause pollution to the environment, and the oil fume purification effect is poor.
Disclosure of Invention
The invention aims to solve the technical problem of how to provide an oil fume purification device which is convenient to clean, prolongs the service life and has good oil fume purification effect.
In order to solve the technical problems, the invention provides the following technical scheme:
a multi-stage isolation lampblack purification device comprises a lampblack collection cabinet body, a negative pressure fan, a first-stage separation device, a second-stage separation device, a third-stage separation device, a fourth-stage separation device and a smoke exhaust pipe, wherein the negative pressure fan is fixed on the lampblack collection cabinet body, the first-stage separation device and the second-stage separation device are fixed at an air inlet of the lampblack collection cabinet body, and an air outlet of the negative pressure fan is communicated with the third-stage separation device, the fourth-stage separation device and the smoke exhaust pipe in sequence; the oil fume is extracted by the driving of the negative pressure fan, and is filtered and separated by the first-stage separation device and the second-stage separation device respectively, and then is filtered and separated by the silencing pipe, the third-stage separation device and the fourth-stage separation device which are respectively entered by the negative pressure fan, and finally is discharged from the exhaust pipe, so that the fourth-stage filtering and separating of the oil fume is realized, the fume purification effect is improved, and the oil fume reaches the emission standard.
The first-stage separation device is a dense pore plate which is fixed at the air inlet of the fume collection cabinet body and intercepts larger particle impurities and oil fume, so that the purpose of first-stage filtration is achieved.
The secondary separation device comprises a water tank with an opening at the upper part, a water pump, a nozzle and a guide plate, the water tank is fixed at the bottom of the fume collection cabinet body, the water pump is also fixed on the fume collection cabinet body, the input end of the water pump is communicated with the water tank, the output end of the water pump is connected with the nozzle, the nozzle is fixed above the dense pore plate, the guide plate is obliquely fixed below the dense pore plate, and the bottommost end of the guide plate is arranged above the opening of the water tank; the washing liquid in the water tank is sprayed to the dense hole plate through the nozzle to form a washing liquid foam layer by the driving water pump, secondary separation filtration is carried out on oil smoke passing through the dense hole plate, and the washing liquid and the filtered impurities drop on the guide plate, so that the washing liquid and the filtered impurities fall into the water tank to be collected, oil smoke condensation is prevented from being attached to the surface of the range hood, later-stage cleaning is facilitated, and the service life of the device is prolonged.
The third-stage separation device is differential oil fume separation equipment, an air inlet of the differential oil fume separation equipment is communicated with an air outlet of the negative pressure fan, and an air outlet of the differential oil fume separation equipment is communicated with the fourth-stage separation device; the physical shielding is formed by high-speed rotation of differential type oil fume separation equipment, oil fume particles are intercepted, gas can freely pass through the physical shielding, three-stage separation and purification of oil and gas are realized, and the comprehensive purification rate can reach 95%.
The four-stage separation device is a UV photolysis purification device, an air inlet of the UV photolysis purification device is communicated with an air outlet of the three-stage separation device, and an air outlet of the UV photolysis purification device is communicated with the smoke exhaust pipe; gas through the tertiary filterable UV photodissociation purifier of third separator, UV photodissociation purifier carries out the oxidation photolysis reaction to the oil smoke molecule, decomposes out non-pollution nontoxic harmless products such as water and carbon dioxide, can get rid of 98% pungent smell in the oil smoke simultaneously and play air-purifying effect, reaches the effect of getting rid of the peculiar smell to can not produce secondary pollution, improve cigarette purifying effect, the oil smoke reaches emission standard.
Preferably, the bottom of the water tank is provided with a water inlet and a water outlet.
Preferably, a silencing pipe is further arranged between the second-stage separation device and the third-stage separation device, and the effects of shock absorption and silencing are achieved.
Preferably, the silencing cotton is wrapped outside the silencing pipe.
Preferably, the horizontal cross section of the guide plate is larger than that of the dense-pore plate.
Preferably, a plurality of illuminating lamps are fixed at the top of the fume collecting cabinet body.
Preferably, tertiary separator includes differential separator case, differential separator and first blowdown valve, differential separator case's air inlet and gas outlet respectively with negative-pressure air fan and fourth separator are connected, differential separator incasement portion sets up differential separator, differential separator bottom of the case portion is provided with first blowdown valve.
Preferably, the differential separator is a 6-hole differential separator.
Preferably, the four-stage separation device comprises a smell removal box, a UV lamp tube and a second blowoff valve, wherein the air inlets and the air outlets on two sides of the smell removal box are respectively connected with the differential type separator box and the smoke exhaust pipe, the UV lamp tube is arranged in the smell removal box, and the second blowoff valve is arranged at the bottom of the smell removal box.
Preferably, the differential separator box and odour removal box have the same external shape as the fume collection cabinet.
Compared with the prior art, the invention has the beneficial effects that:
1. the oil smoke is extracted by the driving of the negative pressure fan, and after being filtered and separated by the primary separating device and the secondary separating device, the oil smoke enters the silencing pipe, the tertiary separating device and the quaternary separating device through the negative pressure fan to be filtered and separated, and is finally discharged from the exhaust pipe, so that the quaternary filtering and separating of the oil smoke is realized, the smoke purifying effect is improved, and the oil smoke reaches the emission standard; and form the washing liquid foam layer through the washing liquid of drive water pump in with the water tank by the nozzle to the blowout of dense orifice plate, carry out the second grade separation to the oil smoke through dense orifice plate and filter, and washing liquid and impurity after filtering drop on the guide plate for washing liquid and impurity after filtering fall into the water tank and collect, prevent that the oil smoke condensation from attaching to lampblack absorber equipment surface, make things convenient for the later stage clean, improved the device's life.
2. Through the setting of amortization pipe, play the effect of shock attenuation amortization.
3. Physical shielding is formed by high-speed rotation of the 6-hole differential type separator, oil smoke particles are intercepted, gas can freely pass through the physical shielding, and three-stage separation and purification of oil and gas are achieved.
4. Oxygen molecules in the high-energy UV light beam decomposition gas through UV lamp tube irradiation generate active oxygen, the active oxygen combines with oxygen and then generates ozone, the ozone has extremely strong oxidability, the oxidation photolysis reaction is carried out on oil smoke molecules with the combined action of UV ultraviolet, pollution-free, non-toxic and harmless products such as water and carbon dioxide are decomposed, simultaneously 98% of pungent smell in the oil smoke can be removed to play the air purifying effect, the effect of removing peculiar smell is achieved, and no secondary pollution is generated, the smoke purification effect is improved, and the oil smoke reaches the emission standard.
Drawings
Fig. 1 is a schematic structural diagram of a multi-stage isolation lampblack purification device in an embodiment of the invention;
FIG. 2 is a cross-sectional view of an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a three-stage separation apparatus according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a fourth-stage separation device according to an embodiment of the present invention.
Detailed Description
In order to facilitate the understanding of the technical solutions of the present invention for those skilled in the art, the technical solutions of the present invention will be further described with reference to the drawings attached to the specification.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
Referring to fig. 1 to 4, this embodiment discloses a multistage isolation oil smoke purifier, including collection fume chamber body 1, negative-pressure air fan 2, one-level separator 3, second grade separator 4, hush pipe 5, tertiary separator 6, level four separator 7, discharge fume pipe 8 and light (not mark in the figure), in this embodiment, collection fume chamber body 1 bottom has inboard outside to upwards cut the oblique setting, collection fume chamber body 1 top is fixed negative-pressure air fan 2, the fixed one-level separator 2 of air inlet and the second grade separator 3 of collection fume chamber body 1, negative-pressure air fan 2's gas outlet in proper order with hush pipe 5, tertiary separator 6, level four separator 7 and discharge fume pipe 8 intercommunication, collection fume chamber body 1 top still sets up a plurality of lights. The oil smoke is extracted by the driving of the negative pressure fan 2, and after being filtered and separated by the primary separating device 2 and the secondary separating device 3, the oil smoke enters the silencing pipe 5, the tertiary separating device 6 and the four-stage separating device 7 through the negative pressure fan 2 to be filtered and separated, and finally is discharged from the exhaust pipe 8, so that the four-stage filtering and separating of the oil smoke is realized, the smoke purifying effect is improved, and the oil smoke reaches the emission standard.
The primary separation device 3 is a dense pore plate which is fixed at the air inlet of the fume collection cabinet body 1, so that the fume passes through the dense pore plate, and larger particle impurities and the fume can be intercepted through the arrangement of the sealing plate, thereby achieving the purpose of primary filtration.
The secondary separation device 4 comprises a water tank 41 with an opening at the upper part, a water pump 42, a nozzle 43 and a guide plate 44, the water tank 41 is fixed at the bottom of the fume collection cabinet body 1, the bottom of the water tank 41 is provided with a water inlet and a water outlet, the water pump 42 is also fixed on the fume collection cabinet body 1, the input end of the water pump 42 is communicated with the water tank 41, the output end of the water pump 42 is connected with the nozzle 43, the nozzle 43 is fixed above the dense-pore plate, the guide plate 44 is obliquely fixed below the dense-pore plate, and the bottommost end of the guide plate 44 is arranged above the opening of the water; form the washing liquid foam layer through the washing liquid of drive water pump 42 in with water tank 41 by nozzle 43 to the blowout of close orifice plate, carry out the second grade separation to the oil smoke through close orifice plate and filter, and washing liquid and impurity after filtering drop on guide plate 44, because guide plate 44 in 41 open-ended tops of water tank, make washing liquid and impurity after filtering fall into water tank 41 and collect, prevent that the oil smoke condensation from attaching to lampblack absorber equipment surface, make things convenient for the later stage clean, the device's life has been improved.
Further, the horizontal section of the guide plate 44 is larger than that of the dense-pore plate, so that the washing liquid on the dense-pore plate and the filtered impurities are prevented from not falling into the guide plate 44.
The silencing pipe 5 is made of stainless steel materials, has good bearing strength and small internal smooth resistance, is more beneficial to air exhaust, and is also wrapped with silencing cotton outside the silencing pipe 5 to play a role in damping and silencing.
The three-stage separation device 6 is differential oil fume separation equipment, the three-stage separation device comprises a differential separator box 61, a differential separator 62 and a first drain valve 63, an air inlet and an air outlet of the differential separator box 61 are respectively connected with an air outlet of the negative pressure fan 2 and an air inlet of the fourth separation device 7, the differential separator is arranged in the differential separator box 62, in the embodiment, the differential separator 62 is a 6-hole differential separator, and the bottom of the differential separator box is provided with the first drain valve 63; physical shielding is formed by high-speed rotation of the 6-hole differential type separator, oil smoke particles are intercepted, gas can freely pass through the separator, three-stage separation and purification of oil and gas are realized, and the comprehensive purification rate can reach 95%; after the third stage filtration, oil, water, etc. are precipitated to the bottom of the differential separation tank and discharged through the first blow-down valve 63.
Four-stage separation device 7 is UV photodissociation purifier, four-stage separation device is including removing flavor box 71, UV fluorescent tube 72 and second blowoff valve 73, remove the air inlet and the air outlet of flavor box 71 both sides and be connected with the air outlet of differential formula separator case 62 and the air inlet of the pipe 8 of discharging fume respectively, remove the inside UV fluorescent tube 72 that sets up of flavor box 71, it is provided with second blowoff valve 73 to remove flavor box 71 bottom. Gas through the tertiary filterable level four separator 7 of 6 of third separator, the oxygen molecule in the high energy UV ultraviolet beam decomposition gas that UV fluorescent tube 72 shines produces active oxygen, active oxygen combines and then produces ozone with oxygen, ozone has extremely strong oxidizability, it carries out the oxidation photolysis reaction to the oil smoke molecule with UV ultraviolet combined action, decompose out non-pollution nontoxic harmless products such as water and carbon dioxide, 98% pungent smell plays air-purifying effect in the oil smoke can be got rid of simultaneously, reach the effect of getting rid of the peculiar smell, and can not produce secondary pollution, improve the cigarette purification effect, the oil smoke reaches emission standard.
Further, the odor removing box 71 is connected with the smoke exhaust pipe 8 through a connecting flange.
Further, the external shapes of the differential separator box 61 and the odor removal box 71 are the same as the external shape of the fume collecting cabinet body 1, so that the whole structure of the device is attractive.
Still further, still set up control panel (mark in the figure) on the collection fume chamber body 1, control panel all connects the power end of negative-pressure air fan 2, water pump 42, differential separator 62 and UV fluorescent tube 72, be equipped with power, purification, low-speed, intermediate speed, high-speed, illumination, washing multinomial function button on the control panel, can select, make up above-mentioned function button according to different demands by oneself.
The working principle of the embodiment is as follows: the negative pressure fan 2 is driven to extract oil smoke, the oil smoke passes through the dense pore plate, and larger particle impurities and the oil smoke can be intercepted through the dense pore plate, so that the primary filtering purpose is achieved; simultaneously drive water pump 42 and form the washing liquid foam layer with the washing liquid of water tank 41 in by the blowout of nozzle 44 to close orifice plate, carry out the second grade separation to the oil smoke through close orifice plate and filter, and washing liquid and impurity after filtering drop on guide plate 44, because guide plate 44 in the top of water tank 41 opening, make washing liquid and impurity after filtering fall into water tank 41 and collect, prevent that the oil smoke condensation from attaching to lampblack absorber equipment surface, make things convenient for the later stage clean, the device's life has been improved.
After the oil fume is separated and filtered in the second stage, the oil fume enters a silencing pipe 5 through a negative pressure fan 2 to be damped and silenced, then enters a differential separator box 61, is rotated at a high speed through a differential separator with 6 holes to form physical shielding, oil fume particles are intercepted, gas can freely pass through the oil fume particles, three-stage separation and purification of the oil and the gas are realized, and the comprehensive purification rate can reach 95%; after the third stage filtration, oil, water, etc. are precipitated to the bottom of the differential separation tank and discharged through the first blow-down valve 63.
Finally, the gas filtered by the third separator 6 enters the smell removing box 71, the high-energy UV light beams irradiated by the UV lamp tube 72 decompose oxygen molecules in the gas to generate active oxygen, the active oxygen is combined with oxygen to generate ozone, the ozone has extremely strong oxidizability, the ozone and UV light act together to perform oxidation photolysis reaction on oil smoke molecules, water, carbon dioxide and other pollution-free, nontoxic and harmless products are decomposed, 98% of pungent odor in the oil smoke can be removed to play a role in purifying air, the effect of removing peculiar smell is achieved, secondary pollution cannot be generated, the smoke purification effect is improved, and the oil smoke reaches the emission standard.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.
The above-mentioned embodiments only represent embodiments of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the concept of the present invention, and these embodiments are all within the protection scope of the present invention.
Claims (10)
1. The utility model provides a multistage oil smoke purifier that keeps apart which characterized in that: the negative-pressure fan is fixed on the fume collection cabinet body, the first-stage separation device and the second-stage separation device are fixed at an air inlet of the fume collection cabinet body, and an air outlet of the negative-pressure fan is communicated with the third-stage separation device, the fourth-stage separation device and the fume exhaust pipe in sequence;
the primary separation device is a dense pore plate which is fixed at the air inlet of the fume collection cabinet body;
the secondary separation device comprises a water tank with an opening at the upper part, a water pump, a nozzle and a guide plate, the water tank is fixed at the bottom of the fume collection cabinet body, the water pump is also fixed on the fume collection cabinet body, the input end of the water pump is communicated with the water tank, the output end of the water pump is connected with the nozzle, the nozzle is fixed above the dense pore plate, the guide plate is obliquely fixed below the dense pore plate, and the bottommost end of the guide plate is arranged above the opening of the water tank;
the third-stage separation device is differential oil fume separation equipment, an air inlet of the differential oil fume separation equipment is communicated with an air outlet of the negative pressure fan, and an air outlet of the differential oil fume separation equipment is communicated with the fourth-stage separation device;
level four separator is UV photodissociation purifier, UV photodissociation purifier's air inlet and tertiary separator's gas outlet intercommunication, UV photodissociation purifier's gas outlet with the pipe intercommunication of discharging fume.
2. The multi-stage isolated lampblack purification device according to claim 1, characterized in that: the bottom of the water tank is provided with a water inlet and a water outlet.
3. The multi-stage isolated lampblack purification device according to claim 1, characterized in that: and a silencing pipe is also arranged between the second-stage separation device and the third-stage separation device.
4. The multi-stage isolated lampblack purification device according to claim 3, characterized in that: the silencing cotton is wrapped outside the silencing pipe.
5. The multi-stage isolated lampblack purification device according to claim 1, characterized in that: the horizontal section of the guide plate is larger than that of the dense pore plate.
6. The multi-stage isolated lampblack purification device according to claim 1, characterized in that: a plurality of illuminating lamps are fixed at the top of the fume collecting cabinet body.
7. The multi-stage isolated lampblack purification device according to claim 1, characterized in that: tertiary separator includes differential separator case, differential separator and first blowdown valve, the air inlet and the gas outlet of differential separator case respectively with negative-pressure air fan and fourth separator are connected, differential separator incasement portion sets up differential separator, differential separator bottom of the case portion is provided with first blowdown valve.
8. The multi-stage isolated lampblack purification device according to claim 7, characterized in that: the differential separator is a 6-hole differential separator.
9. The multi-stage isolated lampblack purification device according to claim 7, characterized in that: the four-stage separation device comprises a smell removal box, a UV lamp tube and a second blowoff valve, wherein the air inlet and the air outlet on two sides of the smell removal box are respectively connected with the differential type separator box and the smoke exhaust tube, the UV lamp tube is arranged in the smell removal box, and the second blowoff valve is arranged at the bottom of the smell removal box.
10. The multi-stage isolated lampblack purification device according to claim 9, characterized in that: the external shapes of the differential separator box and the odor removal box are the same as the external shape of the fume collection cabinet body.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011187928.7A CN112393292A (en) | 2020-10-30 | 2020-10-30 | Multi-stage isolation oil fume purification device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011187928.7A CN112393292A (en) | 2020-10-30 | 2020-10-30 | Multi-stage isolation oil fume purification device |
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| CN112393292A true CN112393292A (en) | 2021-02-23 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113048534A (en) * | 2021-04-25 | 2021-06-29 | 河北快维环保科技有限公司 | Household range hood with purification function |
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2020
- 2020-10-30 CN CN202011187928.7A patent/CN112393292A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113048534A (en) * | 2021-04-25 | 2021-06-29 | 河北快维环保科技有限公司 | Household range hood with purification function |
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