CN206338882U - A kind of unitary air handling unit without initial effect filtering section - Google Patents

A kind of unitary air handling unit without initial effect filtering section Download PDF

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Publication number
CN206338882U
CN206338882U CN201621336298.4U CN201621336298U CN206338882U CN 206338882 U CN206338882 U CN 206338882U CN 201621336298 U CN201621336298 U CN 201621336298U CN 206338882 U CN206338882 U CN 206338882U
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China
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spray
air
full
output
water
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Expired - Fee Related
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CN201621336298.4U
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Chinese (zh)
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刘晓鹏
郭竞芳
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刘晓鹏
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Abstract

The utility model discloses a kind of unitary air handling unit without initial effect filtering section, including spray section, spray section includes spray chamber and spray pond, the side of spray section is provided with two Full-automatic self-cleaning filters, sewage draining exit is equipped with Full-automatic self-cleaning filter, Full-automatic self-cleaning filter is connected by water-supply-pipe with spray chamber internal sparger pipe, Full-automatic self-cleaning filter is all connected with spraying pump discharge, the entrance of spray pump is connected by water-supply-pipe with the spray water return outlet on spray pond, spray section is respectively provided on two sides with mixed wind section and surface cooling section, the opposite side of mixed wind section is provided with air return section, the opposite side of surface cooling section is provided with bringing-up section, the opposite side of bringing-up section is additionally provided with steam humidification section, air supply section and final stage fillter section, set by of the present utility model, eliminate the initial effect filtering section that Conventional combination air-conditioner set has to set, so as to save the acquisition expenses of primarily efficient filter bag, reduce operation expense and energy consumption, improve equipment operating efficiency.

Description

A kind of unitary air handling unit without initial effect filtering section
Technical field
The utility model is related to a kind of unitary air handling unit, and in particular to a kind of assembled air-conditioner without initial effect filtering section Unit.
Background technology
Unitary air handling unit is a kind of airhandling equipment assembled by various air-treatment functions section, and unit is normal The functional section seen has:Return fan section, new air draft mixing section, initial effect filtering section, spray section, surface cooling section, bringing-up section, humidifier section, send The cell cubes such as fan section, medium efficiency filtration section, sub- high efficiency filter section, wind outlet section.Each functional section makes in device fabrication according to unit It can be increased and decreased with requiring different, but in order to ensure cleaning and the requirement for cleanliness factor of blowing in air-conditioner set, need to be to entering unit Interior outdoor fresh air and return air is filtered, therefore unitary air handling unit has to set initial effect filtering section, and middle effect and Asia are high Effect fillter section can increase and decrease according to the requirement of air-supply cleanliness factor.
Current initial effect filtering section typically more uses bag filter, is inhaled into after the fresh air of unit and return air mixing through filtering Enter spray section after device filtering and carry out hot and humid area processing with shower water.Current bag filter (filter bag) is being purchased, used With there is problems with management:Filter bag cuts by nonwoven fabric of synthetic fibre, sew and then plus aluminum alloy frame be made, cost compared with It is high.1 piece of about 100 yuan or so of filter bag market price, with 1 200,000 m3Exemplified by the air-conditioner set of/h air outputs, packing machine is filtered About 42 pieces of amount, changes about more than 30,000 yuan of the expense used every year;Filter bag has resistance in itself, and especially dust stratification is more in filter bag When, resistance is bigger, can accordingly increase pressure fan power consumption;Primary filter bag filtration precision is general at 20 μm, and fine dust still can not Filtered, when spray section has spray nozzle clogging or atomization badness, fail washed dust will pollute rear portion surface cooler and Heater, forms dirt on its surface, and cleaning is difficult;Some users are reduction operating cost, and input human and material resources are to changing The filter bag got off rinse repeatedly and used, but easy breakage is difficult to ensure that later stage filter effect after flushing;Some are large-scale Air-conditioner set height is up to more than 4 meters, and when needing to change after filter bag is dirty, operating personnel must stand and could be changed on 3 meters of double ladders Upper level filter bag, belongs to work high above the ground, there is potential safety hazard;Multi-person synergy operation is needed during replacing, dirty filter bag pole is changed Airborne dust is also easy to produce, workman's labour health situation is poor;Air-conditioner set filter bag installation amount is larger, and storage must be purchased in advance, takes empty Between it is big.
Utility model content
The utility model provides a kind of unitary air handling unit without initial effect filtering section, solves setting initial effect filtering section and deposits Filter bag acquisition cost it is high, using changing the problems such as inconvenience, increase energy consumption, storage take up an area big.
In order to solve the above-mentioned technical problem, the utility model provides following technical scheme:
A kind of unitary air handling unit without initial effect filtering section of the utility model, including spray section, the spray section include Spray chamber and spray pond, the side of the spray section is provided with two Full-automatic self-cleaning filters, the Full-automatic self-cleaning Sewage draining exit is equipped with filter, the Full-automatic self-cleaning filter passes through water-supply-pipe and the spray chamber internal sparger pipe phase Connection, the Full-automatic self-cleaning filter is all connected with the outlet of spray pump, and the entrance of the spray pump passes through water-supply-pipe and institute The spray water return outlet stated on spray pond is connected, and several double showers are provided with the spray pond, and each double Shower is connected with a spray pump, and the spray section is respectively provided on two sides with mixed wind section and surface cooling section, described mixed Be provided with steel wire between wind section and the spray section, the opposite side of the mixed wind section is provided with air return section, the surface cooling section it is another Side is provided with bringing-up section, and the opposite side of the bringing-up section is additionally provided with steam humidification section, air supply section and final stage fillter section, and the table is cold The output end of section is connected with the input of the bringing-up section, the input of the output end of the bringing-up section and steam humidification section End is connected, and the output end of the steam humidification section is connected with the input of the air supply section, the output end of the air supply section It is connected with final stage fillter section.
As a kind of optimal technical scheme of the present utility model, several nozzles, the spray are provided with the spray chamber Room is arranged on the top in the spray pond.
As a kind of optimal technical scheme of the present utility model, the input of the air return section is provided with return air inlet, described time The output end of wind section is connected with the input of the mixed wind section, the input of the output end and the spray section of the mixed wind section It is connected.
As a kind of optimal technical scheme of the present utility model, the input of the spray section is provided with preceding water fender, described The output end of spray section is provided with rear water plate.
As a kind of optimal technical scheme of the present utility model, final stage fillter section includes medium efficiency filtration section and sub- high efficiency filter Section, the input of the medium efficiency filtration section is connected with the output end of the air supply section, the output end of the medium efficiency filtration section and The input of the sub- high efficiency filter section is connected, and the output end of the sub- high efficiency filter section is provided with air outlet.
As a kind of optimal technical scheme of the present utility model, the air return section is provided with return fan, and the air supply section is provided with Pressure fan, the Full-automatic self-cleaning filter is provided with bypass and adds valve.
The beneficial effect that the utility model is reached is:This patent air-conditioning still keeps the original structure mould of common air-conditioning unit Formula, only installs Full-automatic self-cleaning filter additional in original spray pump discharge, and selects high-precision filtration net, and filter is in self-cleaning Normal water outlet and filtering are not influenceed while blowdown, be can be achieved to the uninterrupted circulating filtration of shower water, subsequently into spray chamber pair Dust laden air is washed, and the dust granule after washing is fallen into pond, is then constantly circulated by Full-automatic self-cleaning filter Filtering discharge, realizes the processing to dust laden air, so as to substitute and cancel initial effect filtering section.Due to the spray of common air-conditioning unit Drench pump basic throughout the year all in operation, therefore install Full-automatic self-cleaning filter additional additionally the energy consumption of increase air-conditioner set is (complete Automatic cleaning filter only has the control section power consumption energy consumption extremely low), if newly-built air-conditioner set is selected in the design of spray pump It is unaffected in type;Primarily efficient filter bag acquisition expenses is eliminated compared to common air-conditioning without initial effect filtering section air-conditioning, is not also stored With the trouble of replacing, the operation expense of air-conditioning is significantly reduced, and without the resistance of filter bag, fan operation energy consumption Reduction;Common air-conditioning install spray pump intake before backwater Rose Box due to filtering accuracy not enough, add operational management and be not good at, often Can cause spray nozzle clogging, influence unit operation, must all dismount every year, washer jet, workload is very big, and install additional it is full-automatic from Clean filter to be arranged in spray pump export pipeline, spray water outlet 100% can be filtered, and filtering accuracy is high, nozzle is never Block, maintenance-free can be achieved;Because nozzle is not blocked, spray atomizing is good, and air is fully contacted with water, efficiency of damp and hot exchanging Maximum is reached, optimal cooling humidifying effect can be achieved, can be most in the spring and autumn transition season using natural cooling source (outdoor fresh air) Limits utilize the cold of fresh air, and postponement enables and does sth. in advance to close down artificial cold source (refrigeration machine), reduces the refrigerator operation time, section Energy effect is notable;The surface cooler and heater surfaces of common air-conditioning unit are because there is dirt to clear up every year, and cleaning is difficult, and Air after being washed now through spray section, almost free from dust, can make the surface cooler after spray section and heater surfaces and middle effect Keep cleaning for a long time with inferior high efficiency filter, reduce operation and maintenance cost;Due to the Full-automatic self-cleaning filter mistake of selection Filter high precision, fine dust constantly discharged by circulating filtration, water quality of pond can long-lasting cleanliness, alleviate the work in cleaning pond Measure;Backwater Rose Box can be cancelled before common air-conditioning unit spray pump intake, by the Full-automatic self-cleaning filter after spray pump Instead of filtering, the trouble for making backwater Rose Box and flush box filtering net is eliminated.
Brief description of the drawings
Accompanying drawing is used for providing further understanding to of the present utility model, and constitutes a part for specification, with this practicality New embodiment is used to explain the utility model together, does not constitute to limitation of the present utility model.
In the accompanying drawings:
Fig. 1 is a kind of overall structure figure of the unitary air handling unit without initial effect filtering section of the utility model;
Fig. 2 is the structure chart of spray section of the present utility model;
In figure:1st, air return section;2nd, wind section is mixed;3rd, steel wire;4th, preceding water fender;5th, spray section;6th, rear water plate;7th, table is cold Section;8th, bringing-up section;9th, steam humidification section;10th, air supply section;11st, medium efficiency filtration section;12nd, sub- high efficiency filter section;13rd, air outlet; 14th, return air inlet;15th, Full-automatic self-cleaning filter;16th, spray pump;17th, spray chamber;18th, pond is sprayed;19th, nozzle;20th, spray Drench water return outlet;21st, sewage draining exit.
Embodiment
Preferred embodiment of the present utility model is illustrated below in conjunction with accompanying drawing, it will be appreciated that described herein excellent Select embodiment to be merely to illustrate and explain the utility model, be not used to limit the utility model.
Embodiment:As shown in Figure 1-2, a kind of unitary air handling unit without initial effect filtering section of the utility model, including spray Section 5 is drenched, spray section 5 includes spray chamber 17 and spray pond 18, and the side of spray section 5 is provided with two Full-automatic self-cleaning filters 15, sewage draining exit 21 is equipped with Full-automatic self-cleaning filter 15, Full-automatic self-cleaning filter 15 passes through water-supply-pipe and spray Drench the internal sparger pipe of room 17 to be connected, Full-automatic self-cleaning filter 15 is all connected with the outlet of spray pump 16, the entrance of spray pump 16 It is connected by water-supply-pipe with the spray water return outlet 20 on spray pond 18, spray is provided with several double sprays in pond 18 Pipe, and each double shower is connected with a spray pump 16, spray section 5 be respectively provided on two sides with mixed wind section 2 and table is cold Section 7, mix wind section 2 and spray section 5 between be provided with steel wire 3, mix wind section 2 opposite side be provided with air return section 1, surface cooling section 7 it is another Side is provided with bringing-up section 8, and the opposite side of bringing-up section 8 is additionally provided with steam humidification section 9, air supply section 10 and final stage fillter section, and surface cooling section 7 Output end be connected with the input of bringing-up section 8, the output end of bringing-up section 8 is connected with the input of steam humidification section 9, steams The output end of vapour humidifier section 9 is connected with the input of air supply section 10, and the output end of air supply section 10 is connected with final stage fillter section.
It is provided with several nozzles 19 in spray chamber 17, spray chamber 17 is arranged on the top in spray pond 18, nozzle 19 is set Put, be easy to spray water into spray chamber 17.The setting in pond 18 is sprayed, is easy to the water for spraying nozzle 17 to fall into spray pond 18 In.
The input of air return section 1 is provided with return air inlet 14, and the output end of air return section 1 is connected with the input of mixed wind section 2, mixed The output end of wind section 2 is connected with the input of spray section 5, and the setting of return air inlet 14 is easy to make wind from return air inlet 14 enter back In wind section 1.Wind in air return section 1 enters in mixed wind section 2, is entered back into after then being mixed with fresh air in spray section 5.
The input of spray section 5 is provided with preceding water fender 4, and the output end of spray section 5 is provided with rear water plate 6, the preceding He of water fender 4 The setting of rear water plate 6, is easy to block in the water that nozzle 19 sprays, and prevents that the water sprayed from falling into mixed wind section 2 and surface cooling section 7.
Final stage fillter section includes medium efficiency filtration section 11 and sub- high efficiency filter section 12, the input of medium efficiency filtration section 11 and air-supply The output end of section 10 is connected, and the output end of medium efficiency filtration section 11 is connected with the input of sub- high efficiency filter section 12, sub- efficient The output end of fillter section 12 is provided with air outlet 13, and wind is first carried out first time filtering by medium efficiency filtration section 11, then passes through sub- efficient mistake Filter section 12 further filters wind, and clean wind then will be filtered again and is transferred out by air outlet 13.
Air return section 1 is provided with return fan, and air supply section 10 is provided with pressure fan, and Full-automatic self-cleaning filter 15 is provided with bypass and adds Equipped with valve.Return fan is easy to that the wind for producing (or life) scene is sucked in air return section 1 to and delivered to mixed wind section 2 and spray section 5, Pressure fan is easy to that in the wind suction draft section 10 of mixed wind section 2 and spray section 5 and medium efficiency filtration section 11 and sub- high efficiency filter will be sent into Section 12 is filtered.The setting of bypath valve, is easy in two Full-automatic self-cleaning filters 15 while when breaking down, open temporarily Operation, after filter failture evacuation, is turned off.
When specifically used, it should first start Full-automatic self-cleaning filter 15 before unitary air handling unit start, restart Spray pump 16, unitary air handling unit generally can all set two feeding spraying pumps 16, and one is run, and another standby, and unit exists To be always ensured that a spray pump 16 in operation after start operation, it is ensured that air is uninterruptedly washed;Common air-conditioning unit one As the single shower of separate unit spray pump correspondence, in order to strengthen spray washing effect, be changed to the double shower of separate unit spray pump correspondence To spray, tight abundant waterwall together is formed;Common air-conditioning unit uses aperture for 4~4.5mm more to avoid nozzle 19 from blocking Thick spraying nozzle 19, due to having installed Full-automatic self-cleaning filter 15 additional, and from high-precision filtration net (suggestion select 5 μm with Lower screen pack), water outlet will not plug nozzle 19, therefore, nozzle bore is changed to 2~2.5mm thin spraying nozzle 19, is now atomized Drop diameter afterwards is only 0.05~0.2mm, can catch trickle grit in air with air contact, reach and preferably wash Wash effect;Using encryption arrangement between nozzle 19, arrangement density is 14~24/m2Row, and using the cloth of " upper tightly lower sparse " Mode is put, spray water droplet is uniformly covered with the whole section of spray chamber 17, it is ensured that dust laden air is washed thoroughly;Then observation spray The outlet pressure of pump 16 is drenched, after spray atomizing is normal, restarts pressure fan and return fan.The wind that air outlet 13 is sent out is sent through airduct To production (or life) scene, mixed live air enters in air return section 1 through return air inlet 14, if mixed wind section 2 allows return air The wind entered in mouth 14 pass through, then the mixing wind for mixing fresh air and return air enters spray by steel wire 3 and preceding shelves water plate 4 again In section 5;If mixed wind section 2 does not allow the wind entered in return air inlet 14 to pass through, return air is discharged in the air of outside, and fresh air passes through Mixing section 2 enters in spray section 5 by steel wire 3 and preceding shelves water plate 4 again;Wherein steel wire 3 is using the mesh of large aperture, purpose It is to intercept the big debris mixed in the fresh air for sucking air conditioner, the wind of carrying little particle impurity is entered spray section 5, spray section Nozzle 19 in 5 is sprayed water and the dust impurity in wind is washed out and fallen into the spray pond 18 of lower section, the water in spray pond 18 Extracted out, filtered into Full-automatic self-cleaning filter 15 from spray water return outlet 20 by spray pump 16 again, the water after filtering leads to again Cross water-supply-pipe to return in spray chamber 17, sprayed by nozzle 19, such circulating filtration comes out the contaminant filter in water, and pass through Sewage draining exit 21 is emitted, and is cleaned water, it is to avoid impurities in water plug nozzle 19 and the spray water quality deterioration of pond 18, is passed through Wind after spray section 5 is washed passes sequentially through rear water plate 6, surface cooling section 7, bringing-up section 8 and steam humidification section 9 again, into air supply section In 10, wind is sent into further mistake in medium efficiency filtration section 11 and sub- high efficiency filter section 12 by the pressure fan in air supply section 10 successively again Filter, production (or life) scene is delivered to finally by air outlet 13 through airduct.
Unitary air handling unit of this patent without initial effect filtering section, still keeps the original tactic pattern of common air-conditioning unit, Only install Full-automatic self-cleaning filter 15 additional in the outlet of original spray pump 16, and select high-precision filtration net, filter is from clearly Normal water outlet and filtering are not influenceed while washing blowdown, be can be achieved to the uninterrupted circulating filtration of shower water, subsequently into spray chamber 17 pairs of dust laden airs are washed, and the dust granule after washing is fallen into spray pond 18, then constantly by Full-automatic self-cleaning The circulating filtration of filter 15 is discharged, and the processing to dust laden air is realized, so as to substitute and cancel initial effect filtering section.Due to general Logical air-conditioner set spray pump 16 is basic throughout the year all in operation, therefore it is empty to install the not extra increase of Full-automatic self-cleaning filter 15 additional The energy consumption (Full-automatic self-cleaning filter only have control section power consumption energy consumption extremely low) of unit is adjusted, if newly-built air-conditioner set exists It is unaffected on the design selection of spray pump 16;Primarily efficient filter bag is eliminated without initial effect filtering section air-conditioning compared to common air-conditioning to purchase Expense, the trouble also do not changed and stored significantly reduces the operation expense of air-conditioning, and without the resistance of filter bag Power, the reduction of fan operation energy consumption;Before the entrance of common air-conditioning unit spray pump 16 backwater Rose Box due to filtering accuracy not enough, add Operational management is not good at, and can often cause nozzle 19 to block, and influences unit operation, must all dismount every year, washer jet 19, workload is very Greatly, the Full-automatic self-cleaning filter 15 installed additional is arranged in the export pipeline of spray pump 16, can be to the spray mistake of water outlet 100% Filter, and filtering accuracy is high, nozzle 19 is never blocked, and maintenance-free can be achieved;Because nozzle 19 is not blocked, spray atomizing is good, Air is fully contacted with water, and efficiency of damp and hot exchanging reaches maximum, and optimal cooling humidifying effect can be achieved, natural cooling source is being used The spring and autumn transition season of (outdoor fresh air), the cold of fresh air can be utilized to greatest extent, and postponement enables and does sth. in advance to close down artificial cold source (refrigeration machine), reduces the refrigerator operation time, and energy-saving effect is notable;The surface cooler and heater surfaces of common air-conditioning unit are because having Dirt will be cleared up every year, and cleaning is difficult, and the air after being washed now through spray section 5, almost free from dust, can make spray Surface cooler and heater surfaces and middle effect and inferior high efficiency filter after section 5 keep cleaning for a long time, reduce operation and maintenance cost; Because the Full-automatic self-cleaning filter filtering accuracy of selection is high, trickle grit is constantly circulated by Full-automatic self-cleaning filter 15 Filtering discharge, water quality of pond can long-lasting cleanliness, alleviate cleaning pond workload;Common air-conditioning unit spray pump 16 enters Backwater Rose Box can be cancelled before mouthful, replaced filtering by the Full-automatic self-cleaning filter 15 after spray pump 16, eliminate and make back The trouble of water filtration case and flush box filtering net.
Finally it should be noted that:Preferred embodiment of the present utility model is the foregoing is only, this is not limited to Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art For, it can still modify to the technical scheme described in foregoing embodiments, or to which part technical characteristic Carry out equivalent.It is all it is of the present utility model spirit and principle within, any modifications, equivalent substitutions and improvements made etc., It should be included within protection domain of the present utility model.

Claims (6)

1. a kind of unitary air handling unit without initial effect filtering section, including spray section (5), it is characterised in that the spray section (5) Including spray chamber (17) and spray pond (18), the side of the spray section (5) is provided with two Full-automatic self-cleaning filters (15) sewage draining exit (21), the Full-automatic self-cleaning filter (15), are equipped with the Full-automatic self-cleaning filter (15) It is connected by water-supply-pipe with the spray chamber (17) internal sparger pipe, the Full-automatic self-cleaning filter (15) is all connected with spray The outlet of pump (16) is drenched, the entrance of the spray pump (16) passes through the spray water return outlet on water-supply-pipe and the spray pond (18) (20) be connected, be provided with several double showers in the spray pond (18), and each double shower with an institute State spray pump (16) to be connected, the spray section (5) is respectively provided on two sides with mixed wind section (2) and surface cooling section (7), the mixed wind section (2) steel wire (3) is provided between the spray section (5), the opposite side of the mixed wind section (2) is provided with air return section (1), the table The opposite side of cold section (7) is provided with bringing-up section (8), and the opposite side of the bringing-up section (8) is additionally provided with steam humidification section (9), air supply section (10) it is and final stage fillter section, and the output end of the surface cooling section (7) is connected with the input of the bringing-up section (8), described plus The input of the output end of hot arc (8) and the steam humidification section (9) is connected, the output end of the steam humidification section (9) with The input of the air supply section (10) is connected, and the output end of the air supply section (10) is connected with final stage fillter section.
2. a kind of unitary air handling unit without initial effect filtering section according to claim 1, it is characterised in that the spray Several nozzles (19) are provided with room (17), the spray chamber (17) is arranged on the top of the spray pond (18).
3. a kind of unitary air handling unit without initial effect filtering section according to claim 1, it is characterised in that the return air The input of section (1) is provided with return air inlet (14), and the output end of the air return section (1) is connected with the input of the mixed wind section (2) Connect, the output end of the mixed wind section (2) is connected with the input of the spray section (5).
4. a kind of unitary air handling unit without initial effect filtering section according to claim 1, it is characterised in that the spray The input of section (5) is provided with preceding water fender (4), and the output end of the spray section (5) is provided with rear water plate (6).
5. a kind of unitary air handling unit without initial effect filtering section according to claim 1, it is characterised in that final stage is filtered Section includes medium efficiency filtration section (11) and sub- high efficiency filter section (12), input and the air supply section of the medium efficiency filtration section (11) (10) output end is connected, the output end of the medium efficiency filtration section (11) and the input phase of the sub- high efficiency filter section (12) Connection, the output end of the sub- high efficiency filter section (12) is provided with air outlet (13).
6. a kind of unitary air handling unit without initial effect filtering section according to claim 1, it is characterised in that the return air Section (1) is provided with return fan, and the air supply section (10) is provided with pressure fan, and the Full-automatic self-cleaning filter (15) is provided with bypass simultaneously Add valve.
CN201621336298.4U 2016-12-07 2016-12-07 A kind of unitary air handling unit without initial effect filtering section Expired - Fee Related CN206338882U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621336298.4U CN206338882U (en) 2016-12-07 2016-12-07 A kind of unitary air handling unit without initial effect filtering section

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621336298.4U CN206338882U (en) 2016-12-07 2016-12-07 A kind of unitary air handling unit without initial effect filtering section

Publications (1)

Publication Number Publication Date
CN206338882U true CN206338882U (en) 2017-07-18

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106403091A (en) * 2016-12-07 2017-02-15 刘晓鹏 Combined type air conditioner unit free of primarily efficient filtering segment
CN111520829A (en) * 2020-04-13 2020-08-11 安徽嘉乐斯乐净化工程有限公司 High-efficiency air purification method based on combined air treatment unit

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106403091A (en) * 2016-12-07 2017-02-15 刘晓鹏 Combined type air conditioner unit free of primarily efficient filtering segment
CN111520829A (en) * 2020-04-13 2020-08-11 安徽嘉乐斯乐净化工程有限公司 High-efficiency air purification method based on combined air treatment unit

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Granted publication date: 20170718

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