CN2761992Y - Oil fume recovery and purifying equipment - Google Patents
Oil fume recovery and purifying equipment Download PDFInfo
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- CN2761992Y CN2761992Y CN200420120180.9U CN200420120180U CN2761992Y CN 2761992 Y CN2761992 Y CN 2761992Y CN 200420120180 U CN200420120180 U CN 200420120180U CN 2761992 Y CN2761992 Y CN 2761992Y
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- 239000003517 fume Substances 0.000 title claims abstract description 27
- 238000011084 recovery Methods 0.000 title claims abstract description 23
- 239000007788 liquid Substances 0.000 claims abstract description 81
- 238000000746 purification Methods 0.000 claims abstract description 35
- 239000002699 waste material Substances 0.000 claims abstract description 18
- 238000001179 sorption measurement Methods 0.000 claims abstract description 12
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- 239000003995 emulsifying agent Substances 0.000 claims description 4
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- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 3
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
一种油烟回收净化设备，经风管和风机与灶台上方的集烟罩连接，该设备具有一个油烟回收净化箱，箱内下部盛有净化液体，箱壁靠近净化液体的表面附近开有溢流口，该溢流口与箱体外侧的储油槽连通，储油槽的下部开有出油口，油烟回收净化箱的箱体内置有冲击管，冲击管外端经箱体上的接口与风管相连接，冲击管的内端与喷头连接，该喷头朝向净化液体，箱体顶部设有过滤吸附层，过滤吸附层下面设置有挡液板。具有净化效果显著，制造和运转成本低，工作可靠，安装维护简单，安全节能，无二次污染，适用面广，能有效回收废油资源等优点。解决了现有油烟净化设备效率较低、存在二次污染、不利于废油回收的技术问题。
A kind of oil fume recovery and purification equipment, which is connected to the fume collecting hood above the stove through the air pipe and the fan. The equipment has a oil fume recovery and purification box. The overflow port is connected with the oil storage tank on the outside of the box body. There is an oil outlet at the lower part of the oil storage tank. The pipes are connected, the inner end of the impact pipe is connected with the nozzle, the nozzle is facing the purified liquid, the top of the box is provided with a filter adsorption layer, and a liquid baffle is arranged under the filter adsorption layer. It has the advantages of remarkable purification effect, low manufacturing and operating costs, reliable operation, simple installation and maintenance, safety and energy saving, no secondary pollution, wide application, and effective recovery of waste oil resources. It solves the technical problems of low efficiency of existing oil fume purification equipment, secondary pollution, and unfavorable recovery of waste oil.
Description
(1) technical field
The utility model relates to a kind of oil smoke reclaiming clean equipment.
(2) background technology
Human most of activities are carried out indoor, and the pollution of indoor environment can cause multiple disease, and oil smoke and excitant gas with foreign flavor that the cooking produces are one of main indoor environmental pollution sources.When cook temperature is higher than 130 ℃, from edible oil and fat, begin to produce oil smoke, can people's the breathing and the circulatory system be caused damage.When particularly temperature reaches 230-280 ℃, may produce some carcinogen in the oil smoke.Analyze according to relevant department, the ratio that the housewife suffers from lung cancer remains high, and main cause promptly is to be in for a long time in the environment of cooking fume pollution.On the other hand, the irritative gas that produces during the cooking, the people's peculiar smell of choking when frying capsicum as doing also can produce infringement to people's respiratory system.As everyone knows, the oil smoke of catering trade discharging and harmful substance can cause more serious environmental pollution.Many countries comprise China, have formulated relevant law to control its discharging.Oil smoke, the purification of gas with foreign flavor and other harmful substance is one of problem of the environmental protection field task of top priority.
Existing oil smoke of catering industry purification techniques and equipment are broadly divided into three classes.All there are many problems.(1), the absorptive-type subject matter of water smoke is that the fume purifying rate is not high, used cleanser can cause secondary pollution.Water consumption is big, the water-oil separating difficulty.The equipment complexity, maintenance workload is big, adsorbent and cleaning agent renewal cost height.Windage is big, as causing big noise for increase cooking fume-collecting effect improves power of fan.Price is also higher.(2), the subject matter of electrostatic purification techniques is serious potential safety hazard, the smoke particle of carbonization very easily catches fire under high voltage electric field.Deposit grease on the collector plate easily, make the very fast reduction of purification efficiency, it is big, difficult in maintenance to remove work difficulty.Can not purify gas with foreign flavor.Price is higher.(3), the subject matter of filtration-absorbent-type treatment technology is lower oil smoke rejection and gas with foreign flavor absorptivity, is difficult to reach environmental requirement.Windage is big, filters and often replacing of sorbing material, and expense is higher.Be to be in the technology of eliminating the edge.
On the other hand, as a kind of potential resource, the recovery of oil smoke is not considered in existing purification techniques fully.Though water smoke absorption-type can obtain part waste oil because the emulsification of cleanser, make it to be difficult to moisture from, the pollution of scavenging solution has also influenced the utilization again of recovered oil.The electrostatic purification techniques can't reclaim fluid substantially.Mechanical filter type technology also is difficult to accomplish effective recovery.According to investigation, the dining room of single Beijing area, the oil smoke amount of discharging in a year is just near 5000 tons.The medium dining room of a four eyed kitchen range, average every day, the oil smoke discharge amount reached more than 150 jin in every month with oily 50 jin.So a large amount of oil smoke discharges had both polluted air, had also wasted resource.Oil smoke reclaims the fluid that obtains a lot of purposes, as the raw material as chemical industry and bio-fuel-oil.Because the existence of the problems referred to above, purification techniques and equipment that some are new constantly are suggested.Chinese patent 02244495 proposes a kind of cleaning equipment, utilizes the rotation flying disc of band hole for water spraying that the oil droplet in the oil smoke is absorbed, and enters in the casing with water, and water is by reuse, and waste oil is recovered.This method needs to add cleanser in water, but this can produce the common fault of water smoke method of purification secondary pollution again.Chinese patent 00244750 proposes a kind of similar equipment, also is water flushing oil smoke, at last with centrifugal wind wheel with in oil and the water throwing inlet body, the discharge clean gas.This technology and preceding a kind of same limitation that has.
(3) utility model content
The purpose of this utility model provides a kind of oil smoke reclaiming clean equipment, solve existing cooking fume control equipment efficient lower, have secondary pollution, be unfavorable for the technical problem that waste oil reclaims.
The technical solution of the utility model: this oil smoke reclaiming clean equipment, be connected with the exhaust fume collecting hood of blower fan through airduct with kitchen range top top, it is characterized in that: this equipment has an oil smoke reclaiming clean case, the bottom fills decontaminating liquid in the case, tank wall has overfall near the near surface of decontaminating liquid, this overfall is communicated with the oil storage tank in the casing outside, the bottom of oil storage tank has oil-out, the casing of oil smoke reclaiming clean case is built-in with impact tube, the interface of impact tube outer end on casing is connected with airduct, and the inner of impact tube is connected with shower nozzle, and this shower nozzle is towards decontaminating liquid, casing top is provided with the filtration adsorption layer, filters to be provided with liquid barrier below the adsorption layer.
Above-mentioned shower nozzle liquid outlet is on the liquid level of decontaminating liquid or under the liquid level.
Above-mentioned shower nozzle liquid outlet distributes in the form of a ring or evenly looses the shape distribution.
Connecing the direction of shower nozzle liquid outlet of impact tube and the angle of decontaminating liquid horizontal plane on above-mentioned is not less than 20 °, is not more than 160 °.
Above-mentioned decontaminating liquid is pure water, the water that contains emulsifying agent or waste oil.
Above-mentioned liquid barrier is formed by one group of bending lath oblique arrangement that is fixed on the liquid barrier frame, leaves slit between the adjacent bending lath.
The filtering adsorbing material of above-mentioned filtration adsorption layer is porous particle or powder.
Above-mentioned porous particle or powder filter sorbing material are activated carbon, silicone jelly, activated alumina or molecular sieve.
Decontaminating liquid horizontal plane in the above-mentioned oil smoke reclaiming clean case is not less than 500 millimeters to the height between the liquid barrier.
The tank wall bottom of above-mentioned oil smoke reclaiming clean case is communicated with communicating pipe with the tank wall outside.
Beneficial effect: the utility model proposes a kind of oil-collecting cigarette and reclaim, oil smoke and peculiar smell purify the equipment in one.Its principal character is blower fan connects kitchen range top top by airduct a exhaust fume collecting hood, the negative pressure that blower fan produces is collected the back with oil smoke and peculiar smell makes the air-flow that contains oil smoke and peculiar smell enter impact tube in the oil smoke reclaiming clean case by another airduct, enter by the shower nozzle that is connected with impact tube and to be used for the liquid that purifies in the case or directly above liquid level, to impact liquid, the ascending air that comes out from shower nozzle passes through the liquid barrier that is placed in top in the case, be trapped down behind the liquid mist of being with again by filtration of material and absorption, be discharged in the atmosphere at last.
Smoke purifier in this device is shaped on four.At first, because inertia, bigger oil smoke particulate will directly pour in the interior decontaminating liquid of reclaiming clean case in the air-flow, no longer overflow from liquid with air-flow.Secondly, be subjected to the air-flow percussion, the liquid level sky will produce the shape foams that seethe with excitement in a large number, soot particles less in the air-flow and gas with foreign flavor are adhered to by foam and absorb and will stay in the liquid.The 3rd, a large amount of drops that flow down from liquid barrier will wash once more to residue mist of oil and the gas with foreign flavor the ascending air.The 4th, suitable filtering material is made last filtration treatment to the air-flow that is about to discharging, to guarantee best clean-up effect.Above-mentioned oil smoke reclaiming clean equipment has following major advantage:
(1), improved the purifying rate of oil smoke and peculiar smell.Owing to can adopt multiple scavenging solution, make the purification of oil smoke have more means to adjust.According to the experience that industrial fumes purify, adopt the purifying rate of similar techniques to reach more than 90%.If directly adopt oil to make scavenging solution, then purifying rate can reach 95%.On the other hand, the part gas with foreign flavor in the air-flow also can be cleaned liquid and catch, and this is other purification techniques, as electrostatic method, can not accomplish.
(2), the reclaiming clean integrated device provides great selection free for the dining room of dissimilar and scale cheaply, this device has saved the first filter commonly used of existing cleaning equipment, smart filter, washing, ionization, steps such as absorption, used unit is greatly simplified, and cost is not as good as 1/5th of conventional cleaning equipment.To the restaurant of any scale, all be fit to the especially big dining room that ten above kitchen ranges are arranged from the little oodle shop that has only a kitchen range.The dining room that exhausting system is housed is installed additional new clarifier, and cost will be lower.To non-Chinese style restaurant, also can select suitable clarifier combination.
(3), improved the indoor and outdoors environment greatly.Because the windage of equipment is less, generally at 400 to 1000 handkerchiefs, exhaust fume collecting hood directly is connected to the reclaiming clean case by smooth airduct, and on-way resistance is little, and oil smoke can be collected smoothly, and the greasy dirt that adheres on former kitchen wall and the utensil is greatly reduced.Windage is little, and power of fan can reduce.Air-flow enters under the liquid high frequency noise is also obviously reduced.
(4), cleaning system simple in structure has guaranteed very high reliability, security and Environmental compatibility.Cleaning system is simple in structure, and the air exhauster motor is unique running gear, so reliability is high.Realize monitoring automatically easily.Do not adopt complicated and dangerous equipment such as high-pressure electrostatic, do not have any potential potential safety hazard, do not have any secondary pollution.
(5), energy savings.Save the space.The reclaiming clean device need not consume energy, and need not add scavenging solution substantially.Running expense is very low.Can be installed in outdoorly, save usually very limited kitchen space.
(6), install easily, safeguard simple relatively.Compare with the Electrostatic Treatment clarifier with existing water smoke absorption, the installation of new equipment does not need water receiving source and high voltage source, need not build high chimney and oil-collecting, the edible vegetable oil device.Do not need to change continually filtering material, sorbing material and oil removal parts.Do not need the inside and outside parts of cleaning device continually.Do not need to artificially collect continually and handle waste oil.
(7), can effectively reclaim waste oil, economize on resources.Compare with other simple technology that purifies, more suitable for the country of scarcity of resources.
In a word, it is remarkable that this device has clean-up effect, and manufacturing and operating cost are low, reliable operation, and installation and maintenance are simple, energy-saving safe, non-secondary pollution, applied widely, can effectively reclaim advantages such as waste oil resource.
(4) description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the structural representation of shower nozzle embodiment;
Fig. 3 is the structural representation of liquid barrier embodiment.
(5) specific embodiment
Embodiment is referring to Fig. 1, and 1 is the airduct that is communicated with kitchen range top top exhaust fume collecting hood and reclaiming clean case among the figure.The 2nd, oil smoke reclaiming clean case.The 3rd, be fixed on the ring flange on the cabinet exterior interface, in order to be connected with airduct 1.The 4th, be fixed on the ring flange on the cabinet wall interface, in order to be connected with impact tube 5 in the case.The 6th, the shower nozzle that is connected with impact tube.The 7th, decontaminating liquid.8 are mounted in the outer transparent communicating pipe that is communicated with decontaminating liquid in the case of case, in order to liquid level in the indication case.The 9th, filling opening when in the case during scavenging solution insufficient height, can add scavenging solution by this mouthful.The 10th, overflow launder when liquid level is higher than overflow launder in the case, can makes the fluid of unnecessary recovery overflow automatically by this groove and flow in the oil storage tank 11.The 12nd, fuel outlet valve by this valve, can reclaim the waste oil of collecting.The 13rd, antinose-dive leg.The 14th, liquid barrier.The 15th, filter adsorption layer.
Whole workflow is as follows: blower fan connects the exhaust fume collecting hood of kitchen range top top by airduct, the negative pressure suction that the high velocity air that contains oil smoke and peculiar smell that the kitchen range top is sent here is produced by blower fan, by airduct 1, enter the impact tube 5 in the oil smoke reclaiming clean case, enter in the scavenging solution 7 or directly impact liquid above liquid level through shower nozzle 6, the air-flow that contains oil smoke and peculiar smell evokes a large amount of liquid mists and foam in reclaiming clean casing 2.Oil smoke particulate in the air-flow is cleaned liquid and fully absorbs in case.Be trapped after being with the scavenging solution mist by retaining liquid companion in the ascending air, flow back in the scavenging solution again.Be trapped down the liquid fog body of being with, by filtering adsorption layer 15, further purified again, be discharged in the atmosphere at last.
Referring to Fig. 2,61 is the connectors that are connected with impact tube among the figure, the 62nd, and the outer round platform shell of shower nozzle, the 63rd, the interior round platform shell of shower nozzle.The focused airflow of coming from impact tube is clipped in annular flow between the inside and outside two round platform shells by interior round platform shell branch.Such design makes focused airflow enter scavenging solution in the mode of comparatively disperseing, and helps the raising of purification efficiency.
Referring to Fig. 3,141-liquid barrier frame, the 142-secured in parallel bending lath on frame among the figure.When the air communication that rises from the below is crossed slit between these bending laths, because inertia, the liquid fog particles in the air-flow will strike on the plate, and then assemble and grow up, and fall back in the scavenging solution down at last.The negligible gas molecule of inertia then can pass through smoothly.
In order to guarantee purification efficiency, must control airflow direction and the speed that enters in the decontaminating liquid.Consider that from clean-up effect air-flow should enter liquid with the angle that is basically perpendicular to liquid level, the angular range of airflow direction and liquid level should be 20 ° to 160 °.Air velocity is too low, and clean-up effect is poor.But speed is too high, and windage is too big, and clean-up effect descends on the contrary, and discharges air-flow and can attach too many liquid mist, is difficult for holding back.Best air-flow admission velocity scope is 3 meter per second to 50 meter per seconds.
In order to guarantee purification efficiency, also must export in subsurface distance by the control shower nozzle.Distance is too short, and clean-up effect is poor.Distance is oversize, and promptly air-flow enters under the liquid too deeply, and purifying rate can obviously not improve, and windage but greatly increases.Best distance range should be 10 millimeters to 200 millimeters.For guaranteeing a constant optimum distance, along with the increase of holding back fluid in the case, perhaps allow unnecessary fluid discharge at any time outside the case, shower nozzle perhaps constantly raises.This just needs the special mechanism of design to reach the purpose of automatic control.High especially for air velocity, as situation, shower nozzle can be placed on the liquid level more than or equal to 40 meter per seconds, from liquid level distance with 0 to 100 millimeter for well.
In order effectively to reclaim the waste oil resource, avoid secondary pollution, improve purification efficiency, decontaminating liquid can be selected pure water, contains the water of emulsifying agent or directly adopt the waste oil that reclaims from oil smoke.Because the nonwetting property of oil and water adopts pure water to make scavenging solution, clean-up effect is relatively poor.But waste oil of holding back in the case and water have obvious layering, carry out waste oil easily and reclaim.Employing contains the water of emulsifying agent as scavenging solution, and then purification efficiency is higher, but the waste oil recovery difficult is big.Best choice is directly to adopt waste oil as scavenging solution.Mist of oil particle in fluid and the oil smoke has good associativity on the one hand, and the larger oil droplet that pours in the fluid mixes with oil immediately, and less mist of oil particle is then adhered to by the oily foam of boiling easily.Thereby clean-up effect will be better than emulsified water liquid.On the other hand, the difficulty that does not have waste oil recovery and secondary pollution again.
In order to guarantee clean-up effect preferably, must guard box in scavenging solution foam and ascending air abundant blending space and interaction time are arranged.This just need consider in design that liquid level is to the enough height between the liquid barrier in enough volumes of reclaiming clean case and the case.The former is relevant with compressor flow, and culinary art kitchen range eye is many more, and required flow is big more, and the volume of reclaiming clean case also should be big more.No matter capacity how, the scavenging solution horizontal plane is not less than 500 millimeters to the height between the liquid barrier in the reclaiming clean case.
For guaranteeing clean-up effect preferably, the air-flow of going out from shower nozzle in the form of a ring or other dispersed enter scavenging solution or directly impact and purify liquid level.Disperse to enter than concentrate enter good.This just requires the design of shower nozzle that the focused airflow of impact tube was scatter before entering scavenging solution as far as possible.
For making the air-flow of discharging not contain the scavenging solution mist substantially from the reclaiming clean case, top at oil smoke reclaiming clean case is provided with liquid barrier, this liquid barrier is made of many bending plates that are arranged in parallel, behind the slit of ascending air in the reclaiming clean case by these bending plates formations, the liquid fog particles of being with will be trapped.The designing requirement of liquid barrier can effectively catching liquid mist, can not cause excessive windage again.A kind of design is to adopt many bent plates that are arranged in parallel to hold back, and utilizes the inertia of liquid fog particles, because of the bump bent plate is built up the whereabouts, thereby separates with the minimum gas molecule of inertia.
Purify cost for guaranteeing clean-up effect, reducing, used filtering adsorbing material is activated carbon, silicone jelly, activated alumina or molecular sieve.
For guaranteeing the constant shower nozzle outlet and the optimum distance of liquid level, along with the increase of holding back fluid in the case, perhaps allow unnecessary fluid discharge at any time outside the case, shower nozzle perhaps constantly raises.At oil smoke reclaiming clean lower box part overflow launder and oil storage tank are set, make the height of overflow launder consistent with the scavenging solution level altitude in the required reclaiming clean case, along with the increase of holding back fluid in the case, allow unnecessary fluid overflow at any time and flow in the oil storage tank by overflow launder, wait to be recycled.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200420120180.9U CN2761992Y (en) | 2004-12-27 | 2004-12-27 | Oil fume recovery and purifying equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200420120180.9U CN2761992Y (en) | 2004-12-27 | 2004-12-27 | Oil fume recovery and purifying equipment |
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| CN2761992Y true CN2761992Y (en) | 2006-03-01 |
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| CN200420120180.9U Expired - Fee Related CN2761992Y (en) | 2004-12-27 | 2004-12-27 | Oil fume recovery and purifying equipment |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101927101B (en) * | 2009-06-24 | 2012-08-29 | 刘廷 | Environment-friendly waste oil recoverer |
| CN103191616A (en) * | 2013-04-19 | 2013-07-10 | 重庆工商大学 | Air cleaner for novel environment-friendly baking finish house |
| CN104069707A (en) * | 2014-06-19 | 2014-10-01 | 江苏二环环保科技有限公司 | Lead fume purifier in lead-acid storage battery industry and purification method of lead fume purifier |
| CN104525373A (en) * | 2014-12-05 | 2015-04-22 | 北京银河之舟环保科技有限公司 | Decontamination chamber and no-clean oil smoke purification system including the same |
| CN104913356A (en) * | 2015-06-29 | 2015-09-16 | 安徽省安庆市皖清环保科技有限公司 | Kitchen oil fume purification treatment technology |
| CN105953283A (en) * | 2016-07-19 | 2016-09-21 | 青岛科技大学 | Composite-type catering industry oil smoke purification device |
| CN106731429A (en) * | 2017-03-28 | 2017-05-31 | 安徽中煦环保新材料科技有限公司 | A kind of industrial waste-gas purifier |
| CN108644845A (en) * | 2018-07-18 | 2018-10-12 | 洛阳展腾科技有限公司 | A kind of oil fume purifier |
| CN108654284A (en) * | 2018-06-21 | 2018-10-16 | 洛阳展腾科技有限公司 | A kind of cooking fume control equipment |
| CN109364721A (en) * | 2018-10-08 | 2019-02-22 | 浙江欧琳生活健康科技有限公司 | A gas purification device and a range hood |
| CN110026042A (en) * | 2019-04-12 | 2019-07-19 | 安徽维民机械科技有限公司 | Integral type oil fume purifier |
| CN112354307A (en) * | 2020-11-09 | 2021-02-12 | 吕硕文 | Saturated self-deoiling type oil-containing waste gas discharge pipe |
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2004
- 2004-12-27 CN CN200420120180.9U patent/CN2761992Y/en not_active Expired - Fee Related
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