CN2913512Y

CN2913512Y - Automatic-drainage smoke-inverting-proof back-flushed-resistance ventilating duct

Info

Publication number: CN2913512Y
Application number: CN 200620118640
Authority: CN
Inventors: 张建民
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-06-13
Filing date: 2006-06-13
Publication date: 2007-06-20
Anticipated expiration: 2016-06-13

Abstract

A self-discharging type fume dispersion and backflow resistant exhaust duct is provided. The exhaust duct (1) comprises a main exhaust duct (2) and a plurality of sections of auxiliary exhaust duct (3), wherein the main exhaust duct (2) vertically passes from the bottommost floor of apartment building to the top floor and divided into three parts including a first layer (4), an intermediate layer (5), and a top layer (6), the exhaust duct (1) in each floor is provided with one or more sections of auxiliary exhaust duct(s) (3), an air exit (7) in the auxiliary exhaust duct (3) is provided with a self-discharger (8) communicated with the flue exhaust outlet of each family, and a suction device (9) is disposed at the upper end of the top layer (6). The utility model can retain stable negative pressure in exhaust duct, completely eliminates fume dispersion and backflow phenomena, and especially can meet the air exhaust quantity requirement of the people living in the first and second floor.

Description

The Row-Type Anti-String Anti-Intrusion Exhaust Smoke Pipeline

Technical field

The utility model relates to building ventilation smoke evacuation field member, is that a kind of dwelling house is concentrated the vertical gas pass in the exhaust system specifically.

Background technology

China townsfolk lives in many floors and the middle and high floor house building more at present, for solving kitchen fume and the unclean air emission problem in washroom, nation-building portion regulation rose and must install vertical centralized smoke evacuation (gas) road in newly-built dwelling house kitchen, the construction wall defended in 1999, i.e. the gas unification that each family range hood, exhaust fan are discharged is sent to the high-altitude through pipe special.Yet find that by the existing various exhast duct products that circulate in market being investigated the back its user satisfaction is all not satisfactory.Subject matter has: it is bigger etc. that smoke blowing taint of odour phenomenon is serious, solve residual grease difficulty, check valve control was lost efficacy, single dependence mechanical energy forced-ventilated invisible waste can be big, the cross section takies the inhabitation usage space, causes house kitchen, washroom to become a kind of usage space of morbid state.

The utility model patent applicant has proposed " The Row-Type Anti-String Anti-Intrusion Exhaust Smoke Pipeline " utility application and obtain the authorization (patent No. 200420118474.8) on October 19th, 2004.This patented technology can form no mechanical energy effect in passage natural exhaust has carried out effective solution to the problems referred to above.But because the range hood installed of resident family, the limitation of exhaust fan self mechanical realization, no mechanical energy effect natural exhaust has little effect, and resident family has to rely on the mechanical forced-ventilated or the ventilation of windowing, and causes this interior blank of the industry effectively not solved all the time.

Summary of the invention

The purpose of this utility model is to provide a kind of can making to remain house kitchen, washroom air draft, the extract duct of stablizing the negative hydrostatic pressure state, realizing no mechanical energy effect natural exhaust optimum efficiency in the pipeline.

The utility model is achieved in that exhast duct 1 comprises the auxiliary exhast duct 3 of main exhast duct 2 and more piece, and main exhast duct 2 is cylindrical body of a cavity, vertically extends through loft from the ground floor layer of residential building and is divided into and is the first floor 4, interlude 5,6 three parts of top layer.Be equipped with the auxiliary exhast duct 3 of 1 joint or more piece in the exhast duct 1 of every floor, air outlet 7 places are provided with elf-exhaustor 8 in auxiliary exhast duct 3, and elf-exhaustor 8 communicates with the flue gas mouth of each household.Be that the roof layer goes out the roofing place draught unit 9 is set in top layer 6 upper ends.

In arbitrary floor of the first floor 4, interlude 5 and the top layer 6 of described exhast duct 1, can the auxiliary exhast duct 3 of two joints of 10～2800mm at interval be set in the end face and the bottom surface of this floor; The auxiliary exhast duct 3 of one joint also can be set at the top of this floor, and this auxiliary exhast duct and this floor basal spacing are 10～3000mm; It is 10～2000mm that auxiliary exhast duct 3 spacings of auxiliary exhast duct 3, two joints of one joint also can respectively be set in top, middle part and the bottom of this floor; Also can be at the auxiliary exhast duct 3 of this storey setting more piece, the spacing of the auxiliary exhast duct 3 of per two joints is 10～2000mm.

The auxiliary exhast duct 3 of more piece set in the first floor 4, interlude 5 and the top layer 6 of described exhast duct 1 is that integral body runs through.

The blast pipe 15 of elf-exhaustor 8 described in the utility model inserts in the elf-exhaustor exhaust duct 10, elf-exhaustor exhaust duct 10 upper ends are air outlet 11, the lower end is connected with oil guide pipe 12, oil storage box 13 1 ends are connected on the elf-exhaustor main panel 14, the dragging track 16 of oil storage box 13 is being fixed on below the oil storage box 13 on the elf-exhaustor main panel 14, and elf-exhaustor main panel 14 is overlapped on the outer wall of exhast duct 1.

The main body 17 of draught unit 9 described in the utility model is a hollow body, installs exhaust duct 18 in its circumferential lateral surface centre upper shed, and exhaust duct 18 connects exhaust bucket 19, and top cover 20 is set above the main body 17.

In the patent that the applicant formerly obtains, consider the difficult control of the 3rd floor exhaust jet stream pressure, have smoke blowing, taint of odour etc. to pour in down a chimney the generation of phenomenon to prevent the 1st, 2 floors so added barrier plate.The barrier plate of the 3rd floor master exhast duct interpolation in actual use causes the air-flow of the 1st, 2 floor range hoods, exhaust fan discharging to rely on auxiliary exhast duct discharging fully, auxiliary exhast duct internal pressure can not in time be diffused into main exhast duct and discharge, cause the whole load pressure of the 1st, 2 floor exhast ducts excessive, range hood, exhaust fan exhaust air rate can't be met, form overload operation, it is bigger to consume energy.Therefore, in the utility model exhast duct the 3rd floor master exhast duct barrier plate is cancelled, to satisfy the demand of the 1st, 2 floor resident family range hoods, exhaust fan exhaust air rate.

The utility model is simple in structure, reasonable in design, with low cost.According to the air pressure change difference of oil smoke gas at each floor gap, also different in the topology layout of the auxiliary exhast duct of the exhast duct first floor, interlude and top layer, thus realize remaining negative pressure in the exhast duct.Elf-exhaustor is installed in the auxiliary exhast duct, and even without the effect of smoke exhaust ventilator and exhaust fan, elf-exhaustor also can rely on the air pressure that flows from bottom to up in the auxiliary exhast duct, drives oil smoke and discharges from air outlet, promptly forms so-called ' row certainly '.Simultaneously, the grease in the oil smoke gas can flow into oil storage box by oil guide pipe.Oil storage box can be cleaned by outside directly taking-up of smoke vent.The draught unit device exceeds premises at roof, can avoid the air-flow in the exhast duct external world and the interior air-flow formation convection current generation to outer discharging of road body to pour in down a chimney.When draught unit and ventilation fan were used, the air draft effect can greatly improve.

Description of drawings

Fig. 1 is a structural representation of the present utility model;

Fig. 2 is the structural representation of elf-exhaustor described in the utility model;

Fig. 3 is the structural representation of draught unit described in the utility model;

Fig. 4 is the structural representation that draught unit described in the utility model cooperates ventilation fan to use.

Among the figure, 1 exhast duct, 2 main exhast ducts, 3 auxiliary exhast ducts, the 4 exhast duct first floors, 5 exhast duct interludes, 6 exhast duct top layers, 7 air outlets, 8 elf-exhaustors, 9 draught units, 10 elf-exhaustor exhaust ducts, 11 air outlets, 12 oil guide pipes, 13 oil storage boxes, 14 elf-exhaustor main panels, 15 blast pipes, 16 dragging tracks, 17 draught unit main bodys, 18 draught unit exhaust ducts, 19 draught unit exhaust buckets, 20 draught unit top covers, 21 ventilation fans.

The specific embodiment

Below in conjunction with accompanying drawing the utility model is further described;

Is example with reference to Fig. 1 with the building of one 15 floor, exhast duct 1 comprises main exhast duct 2 and the auxiliary exhast duct 3 of more piece, main exhast duct 2 is cylindrical body of a cavity, vertically extends through top layer from the residential building bottom and is divided into and is the first floor 4 (1-3 floor), interlude 5 (4-14 floor), three parts of top layer 6 (15 floor).Be equipped with auxiliary exhast duct 3 in the exhast duct 1 of every floor, air outlet 7 places are provided with elf-exhaustor 8 in auxiliary exhast duct 3, and elf-exhaustor 8 communicates with the flue gas mouth of each household.Be that the roof layer goes out the roofing place draught unit 9 is set in top layer 6 upper ends.

In the 1st floor (2800mm floor height) of the first floor 4 of described exhast duct 1, the auxiliary exhast duct 3 of a joint of 1890mm at interval in the end face setting of this layer and bottom surface; In interlude 5 the 4th floor (2800mm floor height), it is 160mm that auxiliary exhast duct 3 spacings of auxiliary exhast duct 3, two joints of a joint respectively are set in top, middle part and the bottom of this layer; In interlude 5 the 7th floor (2800mm floor height), in the top of this layer and bottom auxiliary exhast duct 3 spacings of auxiliary exhast duct 3, two joints of one joint being set respectively is 1250mm; In top layer 6 the 15th floor, at end face setting of this layer and the auxiliary exhast duct 3 of a joint of interval, bottom surface 1890mm.

The cross section of auxiliary exhast duct 3 of the present invention can be square, arc or its combination, and bore can unanimity also can be gradual change.Bore at the auxiliary exhast duct 3 of each floor is 10-500mm, and in the practical application, above-mentioned bore and distance can be consistent or change according to each floor pressure condition.

The main body 17 of draught unit 9 described in the utility model is a hollow body, installs exhaust duct 18 in its circumferential lateral surface centre upper shed, and exhaust duct 18 connects exhaust bucket 19, and top cover 20 is set above the main body 17.Exhaust duct 18 and exhaust bucket 19 are ducted body, and the end of exhaust bucket 19 is flapped toward main body 17 and is 0～180 degree angle with exhaust duct 18.When main body 17 and ventilation fan were used, the centre of top cover 20 was hollow or hollow protrusions is arranged.

The main body 17 of draught unit 9 described in the utility model, exhaust duct 18 and exhaust bucket 19 can be square, cuboid, prism or the shape that wherein is arbitrarily made with; Top cover 20 can be square, cuboid, cylinder, pyramid, cone or the different shape that wherein is arbitrarily made with.

Claims

1. The Row-Type Anti-String Anti-Intrusion Exhaust Smoke Pipeline, have and vertically extend through top layer from the residential building bottom and be divided into and be the auxiliary exhast duct (3) of the first floor (4), interlude (5), (6) three parts of top layer, the main exhast duct (2) that is the cavity tubular and more piece, it is characterized in that, in the exhast duct (1) of every floor, be equipped with the auxiliary exhast duct (3) of 1 joint or more piece, air outlet (7) at auxiliary exhast duct (3) locates to be provided with the elf-exhaustor (8) that communicates with the flue gas mouth of each household, is that the roof layer goes out the roofing place draught unit (9) is set in top layer (6) upper end.

2. The Row-Type Anti-String Anti-Intrusion Exhaust Smoke Pipeline according to claim 1, it is characterized in that, in arbitrary floor of the first floor (4) of described exhast duct (1), interlude (5), top layer (6), can the auxiliary exhast duct (3) of two joints of 10～2800mm at interval be set in the end face and the bottom surface of this layer; It is the auxiliary exhast duct (3) of 10～3000mm with this layer basal spacing that one joint also can be set at the top of this layer; The auxiliary exhast duct (3) of one joint also can respectively be set in top, middle part and the bottom of this layer, and auxiliary exhast duct (3) spacing of two joints is 10～2000mm; Also can the auxiliary exhast duct (3) of more piece be set at this layer, the spacing of the auxiliary exhast duct (3) of per two joints is 10～2000mm.。

3. according to claim 1,2 described The Row-Type Anti-String Anti-Intrusion Exhaust Smoke Pipelines, it is characterized in that the auxiliary exhast duct (3) of more piece set in the first floor (4) of described exhast duct (1), interlude (5), top layer (6) is that integral body runs through.

4. The Row-Type Anti-String Anti-Intrusion Exhaust Smoke Pipeline according to claim 3, it is characterized in that, the cross section of described auxiliary exhast duct (3) can be square, arc or its combination, bore can unanimity also can be gradual change, the bore of auxiliary exhast duct (3) is 10-500mm, and the distance between neighbouring two auxiliary exhast ducts (3) is not less than 0.1cm.

5. The Row-Type Anti-String Anti-Intrusion Exhaust Smoke Pipeline according to claim 1, it is characterized in that, the blast pipe (15) of described elf-exhaustor (8) inserts in the elf-exhaustor exhaust duct (10), elf-exhaustor exhaust duct (10) upper end is air outlet (11), the lower end is connected with oil guide pipe (12), oil storage box (13) one ends are overlapped on the elf-exhaustor main panel (14), the dragging track (16) of oil storage box (13) is fixed on the elf-exhaustor main panel (14) in oil storage box (13) below, and elf-exhaustor main panel (14) is overlapped on the outer wall of exhast duct (1).

6. The Row-Type Anti-String Anti-Intrusion Exhaust Smoke Pipeline according to claim 1, it is characterized in that, the main body (17) of described draught unit (9) is a hollow body, install exhaust duct (18) in its circumferential lateral surface centre upper shed, exhaust duct (18) connects exhaust bucket (19), and top cover (20) is set above the main body (17).

7. The Row-Type Anti-String Anti-Intrusion Exhaust Smoke Pipeline according to claim 6, it is characterized in that the main body (17) of described draught unit (9), exhaust duct (18) and exhaust bucket (19) can be square, cuboid, prism or the shape that wherein is arbitrarily made with; Top cover (20) can be square, cuboid, cylinder, pyramid, cone or the different shape that wherein is arbitrarily made with.