CN201268934Y - Stream and back flow resistant and mothproof smoke-discharging exhaust passage - Google Patents
Stream and back flow resistant and mothproof smoke-discharging exhaust passage Download PDFInfo
- Publication number
- CN201268934Y CN201268934Y CNU2008202181603U CN200820218160U CN201268934Y CN 201268934 Y CN201268934 Y CN 201268934Y CN U2008202181603 U CNU2008202181603 U CN U2008202181603U CN 200820218160 U CN200820218160 U CN 200820218160U CN 201268934 Y CN201268934 Y CN 201268934Y
- Authority
- CN
- China
- Prior art keywords
- smoke
- exhaust
- smoke evacuation
- main channel
- gas exhaust
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000007599 discharging Methods 0.000 title claims description 5
- 239000000779 smoke Substances 0.000 claims abstract description 93
- 241000238631 Hexapoda Species 0.000 claims description 14
- VEMKTZHHVJILDY-UHFFFAOYSA-N resmethrin Chemical compound CC1(C)C(C=C(C)C)C1C(=O)OCC1=COC(CC=2C=CC=CC=2)=C1 VEMKTZHHVJILDY-UHFFFAOYSA-N 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 5
- 239000003517 fume Substances 0.000 claims description 4
- 230000002265 prevention Effects 0.000 claims description 4
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims description 2
- 239000008393 encapsulating agent Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract description 3
- 241000607479 Yersinia pestis Species 0.000 abstract description 2
- 238000009434 installation Methods 0.000 abstract description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 8
- 239000003546 flue gas Substances 0.000 description 8
- 238000007664 blowing Methods 0.000 description 6
- 238000010276 construction Methods 0.000 description 3
- 241001674044 Blattodea Species 0.000 description 2
- 235000019504 cigarettes Nutrition 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 229910010272 inorganic material Inorganic materials 0.000 description 2
- 239000011147 inorganic material Substances 0.000 description 2
- 206010019233 Headaches Diseases 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 231100000869 headache Toxicity 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 230000033001 locomotion Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
Images
Landscapes
- Building Environments (AREA)
Abstract
The utility model relates to a mothproof smoke and gas exhaust passage which can prevent series flow and back flow. The smoke and gas exhaust passage comprises a vertical smoke and gas exhaust main passage and a smoke and gas exhaust branch pipeline for individual households on a floor. The smoke and gas exhaust passage is characterized in that the inner wall of the communicating part of the inlet of the vertical smoke and gas exhaust main passage and the outlet of the smoke and gas exhaust branch pipeline for individual households on a floor is provided with a bulge forming the throat part of the smoke and gas main passage, so a negative-pressure area is formed on the throat part; and the outlet of the smoke and gas exhaust branch pipeline for individual households on a floor is inserted into the negative-pressure area of the throat part of the smoke and gas exhaust main passage through the bulge of the smoke and gas exhaust main passage. The utility model adopts an advanced hollow throat technology; the airflow which passes through with high speed is accelerated to generate negative-pressure effect caused by the condition that the caliber of the smoke and gas exhaust passage gradually changes at intervals, so that not only the smoke escaping phenomenon can not occur for the individual households on a floor, but also the smoke exhaust is more smooth, and the problems of smoke and gas escaping, back flow and pest spread are solved. The utility model has the advantages of simple structure, reasonable design, time-saving and labor-saving installation and lower cost.
Description
Technical field
The utility model relates to the passage that a kind of building indoor exhaust air is concentrated discharging, particularly relate to and a kind ofly stop crossfire, pour in down a chimney the smoke and flue exhaust pipeline with insect protected, be the improvement of existing indoor exhaust air being concentrated passage structure, belong to environmental protection and architectural design technical field.
Background technology
At present, get rid of building indoor exhaust air and kitchen cigarette, smoke and flue exhaust pipeline vertical and that same cross-sectional is long-pending normally is set under construction.The indoor smoke and flue exhaust pipeline material structure of building is brick or inorganic material precast monolithic structure substantially, its shortcoming is that discharge efficiency is lower, and structure is single, smoke blowing taint of odour string worm phenomenon ubiquity, smoke evacuation extract duct for building includes airway walls and air flue, and air flue is surrounded by airway walls and forms.Its durability is better, cost is relatively low, maintenance management is convenient, but smoke evacuation extract duct for building of the prior art does not still solve following shortcoming:
1, when the roof is calm draft weak,, flow of flue gas when slow flue gas is poured in down a chimney or each vertical floor flue gas is gone here and there mutually, causes room air pollution;
2, insects such as cockroach, damp worm, the ant propagation of visiting one house after another, communicate illness.
Above shortcoming has become the common fault of urban architecture headache.
In order to adapt to energy-conservation and environmental protection requirement, meet the design concept of green building, people have done a lot of improvement to the indoor smoke and flue exhaust pipeline structure of building in recent years, for example,
Publication number is " a kind of extract duct for building " that the application for a patent for invention of CN1415823 provides, it is characterized in that having in the airway walls at least one thin band, thereby makes the intensity of airway walls and rigidity improve greatly, but the wall thickness of corresponding attenuate airway walls.
Publication number is " stack is concentrated in housing construction " that the utility model patent of CN2085393 provides, there is ways that flue is separated into major and minor flue in the stack, on the top of pipe the air inlet port that is communicated with auxillary flue is arranged, air inlet port is connected with check (non-return) valve, range hood.
Publication number is " stack is concentrated in improved housing construction " that the utility model patent of CN2278029 provides, comprise straight tube, it is characterized in that: the bend pipe that opening makes progress is housed in straight tube, bend pipe and straight tube mat flange fuse, there is air inlet port the bend pipe lower end, and the check (non-return) valve of being made up of framework, removable cover, connector is equipped with in the gas outlet, upper end.
Publication number is " the building dwelling house flow-guiding type single hole stack " that the utility model patent of CN2654758 provides, comprise single hole exhaust duct, mozzle, air inlet port, it is characterized in that: mozzle is attached to top in the single hole exhaust duct, air inlet port is communicated with mozzle, length equates with story height, quantity is identical with the building residential building number of plies, at present floor flow-guiding type single hole stack upper end and last floor flow-guiding type single hole stack lower end vertical butt joint are installed, are combined into each floor fume centralized discharge-channel of building dwelling house.
Publication number is " pressure variable exhausting channel " that the utility model patent of CN2499487 provides, and it mainly comprises: trunk line, variable-pressure plate, guide pipe and flow-guiding non-return exhaust valve, and described guide pipe is the dustpan shape, and opening up is located in the trunk line; Described flow-guiding non-return exhaust valve is located at the air inlet port place of trunk line, this flow-guiding non-return exhaust valve comprises housing and valve block, described housing in a tubular form, be fixed in trunk line air inlet port place, the exit end face of this housing takes the form of inclined plane, the lower end of described valve block is located at the top of housing bottom rotationally, and is provided with on the lateral surface of valve block or the inside wall at described guide pipe and makes the stopping means of the maximum opening angle β of valve block less than 90 degree.
Though the indoor smoke and flue exhaust pipeline of various buildings that technique scheme provides all has the anti-function of collaborating, but structure is all complicated, building block is more, can cause poorly sealed, there is a small amount of oil smoke still can gang up, long-time use can make building block hang up greasy dirt, cause valve to open and make the oil-smoke expulsion pipe system can't operate as normal, so practicality is relatively poor.Early stage pressure variable exhausting channel adopts and installs the problem that the air-flow component for variable-pressure has solved smoke blowing, taint of odour to a certain extent in the pipe interior appropriate location additional, but performance is extremely unstable, can produce eddy current, the phenomenon of smoke blowing, taint of odour can take place once in a while, when particularly leg-of-mutton top is excessive, can produce resistance to lower floor's air-flow, system works can't be guaranteed, the pressure variable exhausting channel after the improvement exists still that structural member is more, design is complicated, take a lot of trouble and the higher flaw of cost when the combining built on the sand of trunk line and variable-pressure plate, installation fee.
Summary of the invention
The purpose of this utility model is to overcome the prior art above shortcomings, provides a kind ofly to stop crossfire, pour in down a chimney the smoke and flue exhaust pipeline with insect protected.This novel smoke and flue exhaust pipeline adopts advanced trunnion technology, caliber generation gradual change at interval by smoke and flue exhaust pipeline, make the air-flow that passes through at a high speed quicken to produce the negative pressure effect, make each floor not only can not produce the smoke blowing phenomenon, but also can make smoke evacuation more smooth and easy, thereby solved the smoke and flue exhaust pipeline smoke blowing, collaborated, pour in down a chimney and problem that insect is propagated, have simple in structure, reasonable in design, install to save time and save trouble and lower-cost characteristics.
The technical solution that the utility model provides is: this prevention crossfire, pour in down a chimney smoke and flue exhaust pipeline with insect protected, include vertical exhaust smoke evacuation main channel and the smoke evacuation of floor branch family, the exhaust lateral, wherein floor divides the family smoke evacuation, the outlet of exhaust lateral communicates with the inlet of vertical exhaust smoke evacuation main channel, be characterized in the inlet and the smoke evacuation of floor branch family of described vertical smoke evacuation exhaust main channel, the communicate inwall of part of the outlet of exhaust lateral is provided with the projection that constitutes smoke evacuation exhaust main channel throat and makes it form negative pressuren zone, and described floor divides the family smoke evacuation, the outlet of exhaust lateral is inserted into throat's negative pressure region of smoke evacuation exhaust main channel by the high spot of exhaust smoke evacuation main channel.
For better finishing the purpose of this utility model, described floor divides throat region that family smoke evacuation, exhaust lateral outlet downstream direction tilt or parallel insertion intake and exhaust smoke evacuation main channel.
For better finishing the purpose of this utility model, the projection of described smoke evacuation exhaust main channel is homogeneous material or not homogeneous material mutually with smoke evacuation exhaust main channel, composite member for integral production or split production, if it is during split production, bonding or bolt is connected or the draw-in groove connection between the projection of smoke evacuation exhaust main channel and the inwall of smoke evacuation exhaust main channel for encapsulant.
In above technical scheme, the part that the utility model is not narrated is same as the prior art.
Compared with prior art, the beneficial effects of the utility model are:
1. smoke evacuation exhaust main channel divides the draft of family smoke evacuation exhaust lateral to increase to floor, makes it more smooth and easy.
2. a difficult problem of solved smoke blowing between the floor branch family, collaborating makes the kitchen, defends and even habitat condition all improve.
3. insects such as cockroach, damp worm, the ant Es-region propagations disease of no longer visiting one house after another has improved the general level of the health.
Description of drawings
Fig. 1 provides the structural representation of embodiment for the utility model;
Fig. 2 is the A-A sectional view of Fig. 1.
The specific embodiment
Below in conjunction with embodiment concrete technical scheme of the present utility model is described further:
As Fig. 1～shown in Figure 2, this prevention crossfire, pour in down a chimney smoke and flue exhaust pipeline with insect protected, include the vertical smoke evacuation exhaust main channel 1 of inorganic material making and the floor branch family smoke evacuation of plastic material, exhaust lateral 2, the inlet of exhaust main channel 1 and the floor branch family smoke evacuation of wherein vertically discharging fume, the communicate inwall of part of the outlet of exhaust lateral 2 is provided with the projection 3 that constitutes smoke evacuation exhaust main channel throat, and floor divides the family smoke evacuation, the outlet of exhaust lateral 2 is by throat's negative pressure region 4 of the insertion intake and exhaust smoke evacuation main channel 1 of the projection 3 places downstream directions inclination of smoke evacuation exhaust main channel 1 throat.
Since the outlet of each floor branch family smoke evacuation exhaust lateral 2 by exhaust smoke evacuation main channel 1 throat projection 3 places and penetrate into throat's negative pressure region 4, each floor branch family smoke evacuation exhaust lateral 2 is communicated with exhaust smoke evacuation main channel 1 throat's negative pressuren zone 4, discharge fume at each layer branch family of exhaust smoke evacuation main channel 1 throat's negative pressuren zone 4 like this, the flue gas stream that exhaust branch pipe 2 outlets are discharged, can quicken by smoke evacuation exhaust main channel 1 throat's negative pressuren zone 4, smoke evacuation exhaust main channel 1 interior flue gas is flowed can be at throat's negative pressuren zone 4 to the indoor flue gas that pours in down a chimney, can be to each floor stream string yet, each layer throat negative pressuren zone 4 of insect in exhaust smoke evacuation main channel 1 is subjected to cigarette simultaneously, throat's negative pressuren zone 4 that acceleration is fled from air-flow effect meeting fast arrives the low regime outside each layer throat negative pressuren zones 4, and the negative pressure that is subjected to air-flow to quicken to produce in exhaust smoke evacuation main channel 1 throat region only can be with the indoor gas sucking-off.Insect just loses the chance that seals in each floor smoke discharging lateral 2 like this.
Even when calm, the flow of flue gas that flue-gas temperature produces in smoke evacuation exhaust main channel 1 also can make exhaust smoke evacuation main channel 1 throat's negative pressuren zone, 4 air-flow high-speed motions, thereby reaches cross flow proof, pour in down a chimney the goal of the invention with the insect pest propagation.
Claims (3)
1. one kind stops crossfire, pour in down a chimney smoke and flue exhaust pipeline with insect protected, include vertical exhaust smoke evacuation main channel and the smoke evacuation of floor branch family, the exhaust lateral, wherein floor divides the family smoke evacuation, the outlet of exhaust lateral communicates with the inlet of vertical exhaust smoke evacuation main channel, it is characterized in that the inlet and the smoke evacuation of floor branch family of described vertical smoke evacuation exhaust main channel, the communicate inwall of part of the outlet of exhaust lateral is provided with the projection that constitutes smoke evacuation exhaust main channel throat and makes it form negative pressuren zone, and described floor divides the family smoke evacuation, the outlet of exhaust lateral is inserted into throat's negative pressure region of smoke evacuation exhaust main channel by the high spot of exhaust smoke evacuation main channel.
2. prevention crossfire according to claim 1, pour in down a chimney the smoke and flue exhaust pipeline with insect protected, it is characterized in that throat region that the smoke evacuation of described floor branch family, exhaust lateral outlet downstream direction tilt or parallel insertion intake and exhaust smoke evacuation main channel.
3. prevention crossfire according to claim 1, pour in down a chimney the smoke and flue exhaust pipeline with insect protected, the projection that it is characterized in that described smoke evacuation exhaust main channel and smoke evacuation exhaust main channel are the split production composite member of homogeneous material not, are that encapsulant is bonding between the inwall of the projection of the exhaust main channel of wherein discharging fume and smoke evacuation exhaust main channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202181603U CN201268934Y (en) | 2008-09-24 | 2008-09-24 | Stream and back flow resistant and mothproof smoke-discharging exhaust passage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202181603U CN201268934Y (en) | 2008-09-24 | 2008-09-24 | Stream and back flow resistant and mothproof smoke-discharging exhaust passage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201268934Y true CN201268934Y (en) | 2009-07-08 |
Family
ID=40841531
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202181603U Expired - Fee Related CN201268934Y (en) | 2008-09-24 | 2008-09-24 | Stream and back flow resistant and mothproof smoke-discharging exhaust passage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201268934Y (en) |
-
2008
- 2008-09-24 CN CNU2008202181603U patent/CN201268934Y/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106594955A (en) | Prefabricated steel structure house central ventilation system and construction method thereof | |
| CN101684687A (en) | Smoke and flue exhaust pipeline for preventing streaming, backward flowing and insects | |
| CN201268934Y (en) | Stream and back flow resistant and mothproof smoke-discharging exhaust passage | |
| CN202417562U (en) | Novel tunnel ventilation device | |
| CN106193538B (en) | A kind of fire prevention flow-guiding type flue and difunctional exhaust system | |
| CN201424801Y (en) | Penetrating suction type negative pressure flue | |
| CN205935554U (en) | Fire prevention water conservancy diversion formula flue and difunctional exhaust system | |
| CN213711987U (en) | Fire damper and adopt centralized smoke exhaust system of building of this fire damper | |
| CN201158926Y (en) | Storied house fume emission pipe | |
| CN202117290U (en) | Variable-pressure exhaust passage | |
| CN202559663U (en) | Variable pressure type exhaust passage | |
| CN206091202U (en) | Difunctional exhaust smoke way between house kitchen | |
| CN206338911U (en) | Prefabrication and assembly construction steel house VMC | |
| CN205531209U (en) | Exhaust structure on house | |
| CN205935556U (en) | Fire prevention water conservancy diversion formula flue and exhaust system | |
| CN201924565U (en) | Splayed variable pressure structure for centralized cooking fume exhaust pipe of residential kitchen | |
| CN2583257Y (en) | Smoke and gas exhaust pipeline for residential building | |
| CN215907291U (en) | Pressure-changing type fireproof smoke exhaust air passage system device for residential kitchen and bathroom assembly | |
| CN2610009Y (en) | Strong suction type common exhaust channel of house kitchen | |
| CN2345619Y (en) | Guided prefabricated ventilation channel | |
| CN212866729U (en) | Smoke-proof pressure-variable exhaust passage for residential kitchen and bathroom | |
| CN2791156Y (en) | Multi-layer house common flue of negative-pressure type preventing smoke from cross flowing and air back-flowing | |
| CN219158303U (en) | Comprehensive pipe rack ventilation system | |
| CN207553524U (en) | Reverse-filling shunts exhaust gas flue | |
| CN205742903U (en) | A kind of novel exhaust flue |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: GUOXIANG REAL ESTATE DEVELOPMENT CO., LTD. Free format text: FORMER OWNER: YANG JIANLIANG Effective date: 20110104 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 110003 NO.20, HEPING SOUTH AVENUE, HEPING DISTRICT, SHENYANG CITY, LIAONINGPROVINCE TO: 100035 ROOM 1402, BUILDING 1, GUOYINGYUAN, XICHENG DISTRICT, BEIJING |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20110104 Address after: 100035, room 1, building 1402, Kingdom garden, Xicheng District, Beijing Patentee after: Real estate development Co., Ltd. Address before: 110003 Heping 20 South Avenue, Heping District, Liaoning, Shenyang Patentee before: Yang Jianliang |
|
| DD01 | Delivery of document by public notice |
Addressee: Real estate development Co., Ltd. Document name: Notification to Pay the Fees |
|
| DD01 | Delivery of document by public notice |
Addressee: Real estate development Co., Ltd. Document name: Notification of Termination of Patent Right |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090708 Termination date: 20140924 |
|
| EXPY | Termination of patent right or utility model |