CN207550471U - A kind of vented exhaust system of watercraft engine room - Google Patents
A kind of vented exhaust system of watercraft engine room Download PDFInfo
- Publication number
- CN207550471U CN207550471U CN201721537423.2U CN201721537423U CN207550471U CN 207550471 U CN207550471 U CN 207550471U CN 201721537423 U CN201721537423 U CN 201721537423U CN 207550471 U CN207550471 U CN 207550471U
- Authority
- CN
- China
- Prior art keywords
- air
- cabin
- air hose
- engine room
- extractor fan
- 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.)
- Active
Links
Abstract
The vented exhaust system of a kind of watercraft engine room, including ventilating mechanisms and exhaust gear；Ventilating mechanisms include main air hose, air-supply arrangement and extractor fan；Main air hose is horizontally installed to the top side in cabin；Main air hose is provided with air-inlet grille and secondary air hose；Air-inlet grille is opened in the bottom of main air hose, and secondary air hose connects the side wall of main air hose, and end is towards the distributing position of conveyance conduit；Air-supply arrangement and extractor fan are installed on deck, and air-supply arrangement is connected in main air hose；Extractor fan is passed through in cabin；Exhaust gear includes conveyance conduit and smoke exhaust pipe；The opposite side at the conveyance conduit horizontally arranged top being installed in cabin respectively, and one end of every conveyance conduit connects an oil-burning machine, and the other end is connected to smoke exhaust pipe；Smoke exhaust pipe is extending vertically into outside；The utility model proposes vented exhaust system, cabin interior temperatures and exhaust are carried out to separate processing, and structure is compacter, and flexibility is more preferable, and cooling rate is faster.
Description
Technical field
The utility model is related to technical field of ships more particularly to a kind of vented exhaust systems of watercraft engine room.
Background technology
During the cabin of ship carries out operation, the temperature for often making engine room inside is higher, and needs to combustion
Generated oil smoke and exhaust gas are effectively discharged out in oil machine combustion process, otherwise can seriously affect the air ring of engine room inside
The health of staff is jeopardized in border；And the existing aeration structure in cabin be during ventilation simultaneously by oil smoke and
It is discarded to discharge together, and as prolonged accumulation is easy to cause the pollution of ventilation shaft, and periodic cleaning is needed, it greatly increases
Labour cost；And for the structure distribution by pipeline, there is also unreasonable places, and occupied space is larger, but can not make
The temperature at each position of engine room inside control effectively, and causes energy consumption higher, the unstable deficiency of cooling-down effect.
Utility model content
The purpose of this utility model is that a kind of vented exhaust system of watercraft engine room is proposed, by cabin interior temperatures and row
Gas carries out effective separately processing, and structure is compacter, and flexibility is more preferable, and cooling rate is faster.
For this purpose, the utility model uses following technical scheme：
A kind of vented exhaust system of watercraft engine room, it is characterised in that：Including ventilating mechanisms and exhaust gear；The ventilation
Mechanism includes main air hose, air-supply arrangement and extractor fan；The main air hose is horizontally installed to the top side in cabin；The master
Air hose is provided with several air-inlet grilles and several secondary air hoses；The air-inlet grille is uniformly opened in the bottom of the main air hose
Portion, the pair air hose are respectively turned in the side wall of the main air hose, and its end is towards the distributing position of the conveyance conduit；
The air-supply arrangement and the extractor fan are respectively arranged on deck, and the air-supply arrangement is connected by the air inlet of its bottom
In the main air hose；The bottom of the extractor fan is connected by the air outlet of cabin side wall in cabin；
The exhaust gear includes several conveyance conduits and several smoke exhaust pipes；The conveyance conduit difference is horizontally arranged
The opposite side at the top in cabin is installed on, and one end of every conveyance conduit is connected to an oil-burning machine, other end connection
In the smoke exhaust pipe；The smoke exhaust pipe passes vertically through deck and extends to outside respectively.
It further illustrates, the air-supply arrangement includes air supply duct, air inlet box body, muffler and mounting seat；It is described to send
Wind pipeline is vertically arranged on deck, and is connected by the air inlet of its bottom in the main air hose；The air inlet box body is installed on
The top of the air supply duct, and its external side is provided with the outdoor shutter of air-supply, and top is provided with eye plate；It is described to disappear
Sound device is installed on the lower section of the air inlet box body, and the inside of the air supply duct is fixedly installed in by the mounting seat.
It further illustrates, the extractor fan includes wind pipe, exhausting babinet, muffler and mounting seat；It is described go out
Wind pipeline is vertically arranged on deck, and is connected by its bottom in the air outlet of cabin side wall；The exhausting babinet is installed on institute
The top of wind pipe is stated, and its external side is provided with the outdoor shutter of air draft, top is provided with eye plate；The noise reduction
Device is installed on the lower section of the exhausting babinet, and the inside of the wind pipe is fixedly installed in by the mounting seat.
It further illustrates, is respectively provided at the top of the muffler in muffler and the extractor fan in the air-supply arrangement
There is manual fire damper；The wind pipe side wall in wind pipe and the extractor fan in the air-supply arrangement offers lid
Plate.
It further illustrates, the bottom of the mounting seat in the air-supply arrangement and the mounting seat in the extractor fan is equal
It is provided with steel wire grid.
It further illustrating, the long side direction extending level of the main air hose along cabin is installed on the top side in cabin,
And the main air hose is gradually reduced from the conduit volume connected in one end of the air-supply arrangement to another end；The conveying
The long side direction extension arrangement of pipeline along cabin is installed on the opposite side at top in cabin, and the smoke exhaust pipe is close to institute
State extractor fan.
It further illustrates, the pair air hose extends, and its end outlet to the distributing position direction of the conveyance conduit
Direction is towards the distributing position of the conveyance conduit, and outlet ends set air-inlet grille.
It further illustrates, the main air hose and being horizontally mounted for the conveyance conduit are highly consistent.
It further illustrates, several sections of circuit mounting grooves are further included in the cabin, and the circuit mounting groove includes trunk electricity
Road mounting groove and branch circuit mounting groove；The backbone circuits mounting groove is longitudinally uniformly distributed in the top in cabin respectively, and
Perpendicular to the main air hose；One end of the branch circuit mounting groove is connected to the backbone circuits mounting groove, other end difference
It is connected to an oil-burning machine.
It further illustrates, the air-supply arrangement and extractor fan distribution are provided with two or more.
The beneficial effects of the utility model：1st, by the temperature in cabin and exhaust gas respectively by ventilating mechanisms and exhaust gear Lai
It carries out separating processing, avoids the air in cabin that from cannot rapidly being discharged in time by exhaust gas fume pollution, influence the strong of worker
Health, and the temperature of engine room inside can be effectively controlled, the air passage rates of engine room inside are improved, avoid ventilation shaft by the cloud of dust
It blocks and needs frequent clean, increase labour cost.
2nd, by the way that the conveyance conduit in the main air hose and exhaust gear in ventilating mechanisms is arranged side by side, and pair is utilized
Air hose extends outwardly, and for export direction towards at conveyance conduit, so as to fulfill more effective cooling-down effect, flexibility is more preferable, reaches
To more uniformly air circulation, avoid local temperature excessively high and influence the service life of mechanism, overall structure is more neat
Compact, cooling rate faster, more stablize by the control of cabin temperature.
Description of the drawings
Fig. 1 is the vertical view of the vented exhaust system of the watercraft engine room of the utility model one embodiment；
Fig. 2 is the main view sectional view of the vented exhaust system of the watercraft engine room of the utility model one embodiment；
Fig. 3 is the vertical view sectional view of the vented exhaust system of the watercraft engine room of the utility model one embodiment；
Fig. 4 is the side cutaway view of the vented exhaust system of the watercraft engine room of the utility model one embodiment；
Wherein：Deck 10, main air hose 11, air-inlet grille 111, secondary air hose 112, air-supply arrangement 12, air inlet 120, air-supply
Pipeline 121, air inlet box body 122, muffler 123, mounting seat 124, outdoor shutter 125 of blowing, eye plate 126, extractor fan
13, air outlet 130, wind pipe 131, exhausting babinet 132, muffler 133, mounting seat 134, the outdoor shutter 135 of air draft,
Eye plate 136, manual fire damper 14, cover board 15, steel wire grid 16, conveyance conduit 21, smoke exhaust pipe 22, circuit mounting groove 3.
Specific embodiment
Further illustrate the technical solution of the utility model below with reference to the accompanying drawings and specific embodiments.
The vented exhaust system of a kind of watercraft engine room, including ventilating mechanisms and exhaust gear；The ventilating mechanisms include master
Air hose 11, air-supply arrangement 12 and extractor fan 13；The main air hose 11 is horizontally installed to the top side in cabin；The main wind
Pipe 11 is provided with several air-inlet grilles 111 and several secondary air hoses 112；The air-inlet grille 111 is uniformly opened in the master
The bottom of air hose 11, the pair air hose 112 are respectively turned in the side wall of the main air hose 11, and its end is towards the conveying
The distributing position of pipeline；
The air-supply arrangement 12 and the extractor fan 13 are respectively arranged on deck, and the air-supply arrangement 12 passes through its bottom
The air inlet 120 in portion is connected in the main air hose 11；The bottom of the extractor fan 13 is connect by the air outlet 130 of cabin side wall
It passes through in cabin；
The exhaust gear includes several conveyance conduits 21 and several smoke exhaust pipes 22；The conveyance conduit 21 distinguishes water
Flat raft row are installed on the opposite side at the top in cabin, and one end of every conveyance conduit 21 connects an oil-burning machine, another
End is connected to the smoke exhaust pipe 22；The smoke exhaust pipe 22 passes vertically through deck and extends to outside respectively.
The utility model proposes a kind of watercraft engine room vented exhaust system, operation principle is：By will be external
Cold air is entered to by the air-supply arrangement 12 in the main air hose 11, then by 111 He of air outlet grate on the main air hose 11
Secondary air hose 112 is equably discharged into the inner space of cabin, and inside it under the action of air pressure, makes the hot-air in cabin
Nacelle exterior is expelled to by extractor fan 13 by the air outlet 130, so as to play the role of cooling to engine room inside space.
Simultaneously, by the oil-burning machine of engine room inside during burning operation is carried out generated exhaust gas and oil smoke, by described
Conveyance conduit 21 is collected and conveys in exhaust gear, the outside of cabin is finally expelled to by the smoke exhaust pipe 22, so as to reach
To the effect of the air environment of effective maintenance engine room inside.Compared to the aeration structure of spot ship cabin, has the following advantages：
1st, the temperature in cabin and air are carried out separating processing by ventilating mechanisms and exhaust gear respectively, avoids machine
Air in cabin cannot be discharged rapidly in time by exhaust gas fume pollution, influence the health of worker, and being capable of effective control machine
Temperature inside cabin improves the air passage rates of engine room inside, and ventilation shaft is avoided to be blocked by the cloud of dust and need frequent clean,
Increase labour cost.
2nd, since exhaust gear is during oil flue waste gas is conveyed, temperature is higher, therefore by by the ventilation blower
The conveyance conduit 21 in main air hose 11 and the exhaust gear in structure is arranged side by side, and using the secondary air hose 112 to
Outer extension, for export direction towards at conveyance conduit 21, so as to fulfill more effective cooling-down effect, flexibility is more preferable, reaches more
Equably air circulation avoids local temperature excessively high and influences the service life of mechanism, overall structure more neat compact,
Cooling rate faster, more stablize by the control of cabin temperature.
It further illustrates, the air-supply arrangement 12 includes air supply duct 121, air inlet box body 122, muffler 123 and installation
Pedestal 124；The air supply duct 121 is vertically arranged on deck, and is connected by the air inlet 120 of its bottom in the main air hose
11；The air inlet box body 122 is installed on the top of the air supply duct 121, and to be provided with air-supply outdoor for its external side
Shutter 125, top are provided with eye plate 126；The muffler 123 is installed on the lower section of the air inlet box body 122, and passes through institute
State the inside that mounting seat 124 is fixedly installed in the air supply duct 121.It wherein utilizes and mainly utilizes the outdoor blinds of air-supply
Window 125 effectively avoids the problem that external sundries enters in air supply duct 121 and causes to block, and by setting the eye
Plate 126 is played in order to the inspection and maintenance to the air inlet box body 122 in air supply duct 121 by the muffler 123
The effectively effect of noise reduction noise abatement.
It further illustrates, the extractor fan 13 includes wind pipe 131, exhausting babinet 132, muffler 133 and installation
Pedestal 134；The wind pipe 131 is vertically arranged on deck, and is connected by its bottom in the air outlet 130 of cabin side wall；
The exhausting babinet 132 is installed on the top of the wind pipe 131, and its external side is provided with the outdoor blinds of air draft
Window 135, top are provided with eye plate 136；The muffler 133 is installed on the lower section of the exhausting babinet 132, and passes through the peace
Dress pedestal 134 is fixedly installed in the inside of the wind pipe 131.Come also with the outdoor shutter 125 of air draft to outside
Sundries plays the role of barrier, by the orderliness 136 to facilitate the inspection and maintenance to the exhausting babinet 132, and passes through
The muffler 133 further functions as the effect of noise reduction noise abatement.
It further illustrates, the muffler 133 in muffler 123 and the extractor fan 13 in the air-supply arrangement 12
Top is both provided with manual fire damper 14；Going out in the wind pipe 121 and the extractor fan 13 in the air-supply arrangement 12
131 side wall of wind pipeline offers cover board 15.Since watercraft engine room is to belong to the space more closed, in order to further improve cabin
Internal safety, by setting the manual fire damper 14, if effectively avoiding that Mars occurs in outside or flue gas passes through to reach
Pipeline enters in cabin, and leads to the problem of the security risk of fire；It is simultaneously in order to more square by setting the cover board 15
Convenient for staff regularly inspection and maintenance can be carried out to the structure in pipeline.
It further illustrates, the mounting seat in mounting seat 133 and the extractor fan 13 in the air-supply arrangement 12
133 bottom is both provided with steel wire grid 16.By setting the steel wire grid in the mounting seat, in order to further right
The sundries of engine room inside is blown out to outside and the animals such as mouse is avoided to crawl into and influences air-supply arrangement 12 and extractor fan 13
Normal operation, be conducive to the maintenance to the environment inside and outside cabin.
It further illustrates, the long side direction extending level of main air hose 11 along the cabin is installed on the top one in cabin
Side, and the main air hose 11 is gradually reduced from the conduit volume connected in one end to another end of the air-supply arrangement 12；
The long side direction extension arrangement of the conveyance conduit 21 along cabin is installed on the opposite side at the top in cabin, and the smoke evacuation
Pipe 22 is close to the extractor fan 13.
In order to ensure the air passage rates of engine room inside, then larger air inlet flow is needed, therefore main air hose 11 is connecing
The space for passing through one end of the air-supply arrangement 12 is sufficiently large, can be only achieved the requirement of larger air mass flow and flow velocity, and with
Extension of the main air duct to the engine room inside, conduit volume is gradually reduced, so as to form certain flow velocity inside pipeline
Difference makes cold air more successfully extend to penetralia, it is ensured that the effective temperature-reducing at each position of cabin, and more save space and use
Material.It is to influence air-supply in order to avoid the heat of the smoke exhaust pipe 22 that the smoke exhaust pipe 22, which is arranged close in the extractor fan 13,
Air themperature in device 12, it is ensured that the air of lower temperature smoothly can reach effectively cooling effect into cabin.
It further illustrates, the pair air hose 112 extends, and its end to the distributing position direction of the conveyance conduit 21
Export direction is towards the distributing position of the conveyance conduit 21, and outlet ends set air-inlet grille.Utilize the secondary master
112 direction of pipe and each position for extending to institute's conveyance conduit 211, so as to which the position higher to temperature in cabin carries out effectively
Cooling, the oil flue waste gas so as to avoid temperature higher increase the air themperature of engine room inside during discharge, effectively control
The stability of cabin temperature.
It further illustrates, the main air hose 11 and being horizontally mounted for the conveyance conduit 21 are highly consistent.The master is set
Air hose 11 and the 21 relevant level height of conveyance conduit enable when the cold air discharged by the secondary air hose 112 is direct
Cool down to it, faster, structure is compacter for cooling rate.
It further illustrates, several sections of circuit mounting grooves 3 are further included in the cabin, and the circuit mounting groove 3 includes trunk
Circuit mounting groove and branch circuit mounting groove；The backbone circuits mounting groove is longitudinally uniformly distributed in the top in cabin respectively,
And perpendicular to the main air hose 11；One end of the branch circuit mounting groove is connected to the backbone circuits mounting groove, the other end
It is connected to an oil-burning machine.The backbone circuits of circuit mounting groove 3 are subjected to genesis analysis, further circuit is filled with reaching
The effective temperature-reducing put avoids temperature excessively high and influences normal operation circuit and service life.
It further illustrates, the air-supply arrangement 12 and the distribution of the extractor fan 13 are provided with two or more.
The technical principle of the utility model is described above in association with specific embodiment.These descriptions are intended merely to explain this reality
With novel principle, and it cannot be construed to the limitation to scope of protection of the utility model in any way.Based on explanation herein,
Those skilled in the art would not require any inventive effort the other specific embodiments that can associate the utility model,
These modes are fallen within the scope of protection of the utility model.
Claims (10)
1. a kind of vented exhaust system of watercraft engine room, it is characterised in that：Including ventilating mechanisms and exhaust gear；The ventilation blower
Structure includes main air hose, air-supply arrangement and extractor fan；The main air hose is horizontally installed to the top side in cabin；The main wind
Pipe is provided with several air-inlet grilles and several secondary air hoses；The air-inlet grille is uniformly opened in the bottom of the main air hose,
The pair air hose is respectively turned in the side wall of the main air hose, and its end is towards the distributing position of conveyance conduit；It is described to send
Wind apparatus and the extractor fan are respectively arranged on deck, and the air-supply arrangement is connected by the air inlet of its bottom in described
Main air hose；The bottom of the extractor fan is connected by the air outlet of cabin side wall in cabin；
The exhaust gear includes several conveyance conduits and several smoke exhaust pipes；The conveyance conduit distinguishes horizontally arranged installation
Opposite side in the top in cabin, and one end of every conveyance conduit is connected to an oil-burning machine, and the other end is connected to institute
State smoke exhaust pipe；The smoke exhaust pipe passes vertically through deck and extends to outside respectively.
2. a kind of vented exhaust system of watercraft engine room according to claim 1, it is characterised in that：The air-supply arrangement packet
Include air supply duct, air inlet box body, muffler and mounting seat；The air supply duct is vertically arranged on deck, and by its bottom
Air inlet connect in the main air hose；The air inlet box body is installed on the top of the air supply duct, and its external side
Face is provided with the outdoor shutter of air-supply, and top is provided with eye plate；The muffler is installed on the lower section of the air inlet box body, and leads to
Cross the inside that the mounting seat is fixedly installed in the air supply duct.
3. a kind of vented exhaust system of watercraft engine room according to claim 2, it is characterised in that：The extractor fan packet
Include wind pipeline, exhausting babinet, muffler and mounting seat；The wind pipe is vertically arranged on deck, and by its bottom
It connects in the air outlet of cabin side wall；The exhausting babinet is installed on the top of the wind pipe, and its external side
The outdoor shutter of air draft is provided with, top is provided with eye plate；The muffler is installed on the lower section of the exhausting babinet, and passes through
The mounting seat is fixedly installed in the inside of the wind pipe.
4. a kind of vented exhaust system of watercraft engine room according to claim 3, it is characterised in that：In the air-supply arrangement
Muffler and the extractor fan in muffler at the top of be both provided with manual fire damper；Outlet air in the air-supply arrangement
Wind pipe side wall in pipeline and the extractor fan offers cover board.
5. a kind of vented exhaust system of watercraft engine room according to claim 3, it is characterised in that：In the air-supply arrangement
Mounting seat and the bottom of the mounting seat in the extractor fan be both provided with steel wire grid.
6. a kind of vented exhaust system of watercraft engine room according to claim 1, it is characterised in that：The main air hose is along machine
The long side direction extending level in cabin is installed on the top side in cabin, and the main air hose from connecting in the air-supply arrangement
The conduit volume of from one end to another end be gradually reduced；The conveyance conduit is installed on along the long side direction extension arrangement of cabin
The opposite side at the top in cabin, and the smoke exhaust pipe is close to the extractor fan.
7. a kind of vented exhaust system of watercraft engine room according to claim 6, it is characterised in that：The pair air hose is to institute
State conveyance conduit distributing position direction extension, end outlet direction towards the distributing position of the conveyance conduit, and
Outlet ends set air-inlet grille.
8. a kind of vented exhaust system of watercraft engine room according to claim 7, it is characterised in that：The main air hose and institute
It is highly consistent to state being horizontally mounted for conveyance conduit.
9. a kind of vented exhaust system of watercraft engine room according to claim 1, it is characterised in that：It is also wrapped in the cabin
Several sections of circuit mounting grooves are included, the circuit mounting groove includes backbone circuits mounting groove and branch circuit mounting groove；The trunk
Circuit mounting groove is longitudinally uniformly distributed in the top in cabin respectively, and perpendicular to the main air hose；The branch dry circuit installation
One end of slot is connected to the backbone circuits mounting groove, and the other end is connected to an oil-burning machine.
10. a kind of vented exhaust system of watercraft engine room according to claim 1, it is characterised in that：The air-supply arrangement
Extractor fan distribution is provided with two or more.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721537423.2U CN207550471U (en) | 2017-11-17 | 2017-11-17 | A kind of vented exhaust system of watercraft engine room |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721537423.2U CN207550471U (en) | 2017-11-17 | 2017-11-17 | A kind of vented exhaust system of watercraft engine room |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207550471U true CN207550471U (en) | 2018-06-29 |
Family
ID=62679170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721537423.2U Active CN207550471U (en) | 2017-11-17 | 2017-11-17 | A kind of vented exhaust system of watercraft engine room |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207550471U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108016597A (en) * | 2017-11-17 | 2018-05-11 | 佛山市榕岸海洋工程装备有限公司 | A kind of vented exhaust system of watercraft engine room |
| CN115180111A (en) * | 2022-08-24 | 2022-10-14 | 广船国际有限公司 | Ship ventilation method and ship ventilation system |
-
2017
- 2017-11-17 CN CN201721537423.2U patent/CN207550471U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108016597A (en) * | 2017-11-17 | 2018-05-11 | 佛山市榕岸海洋工程装备有限公司 | A kind of vented exhaust system of watercraft engine room |
| CN108016597B (en) * | 2017-11-17 | 2023-12-19 | 广州碧海新能源有限公司 | Ventilation and exhaust system of ship engine room |
| CN115180111A (en) * | 2022-08-24 | 2022-10-14 | 广船国际有限公司 | Ship ventilation method and ship ventilation system |
| CN115180111B (en) * | 2022-08-24 | 2023-06-20 | 广船国际有限公司 | Ship ventilation method and ship ventilation system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106123078B (en) | Combined blowing-sucking type range hood | |
| CN204478380U (en) | The new blower fan of a kind of intelligent console mode | |
| CN201764566U (en) | Environment-friendly integrated stove with circulating oil filtering | |
| CN205939348U (en) | Combination blowing and suction type smoke ventilator | |
| CN108016597A (en) | A kind of vented exhaust system of watercraft engine room | |
| CN207550471U (en) | A kind of vented exhaust system of watercraft engine room | |
| CN206145892U (en) | Indoor air purification equipment | |
| CN203891419U (en) | Pressure balanced type kitchen double-shaft centralized air-blowing and smoke-exhausting system device | |
| CN101929723A (en) | Dual-purpose tail end for air conditioning and smoke exhaust | |
| CN107192081A (en) | A kind of fresh air-changing device and fully-automatic intelligent air regenerating device | |
| CN108061321B (en) | Kitchen refrigerating range hood | |
| CN207162662U (en) | Freeze range hood in a kind of kitchen | |
| CN207584951U (en) | All-fresh air ceiling type air conditioner system | |
| CN103776108B (en) | Large-sized workshop welding smaze Intelligent purifying system | |
| CN205372766U (en) | Purify PM2. 5 heat recovery fresh air ventilator | |
| CN107449068A (en) | Automatic calling top set changes in temperature one air-conditioning | |
| JP4145502B2 (en) | Local exhaust method and ventilation method, and local exhaust device and ventilation system | |
| CN204313349U (en) | A kind of comprehensive oil smoke removal device of offshore platform integration kitchen | |
| CN203240678U (en) | Air conditioner ventilation system used in acoustical laboratory | |
| CN2714183Y (en) | Constant temperature gas curtain type energy-saving ventilation cabinet | |
| CN101526238B (en) | Exhaust hood with air supply device and forming supply air circulation | |
| CN208475516U (en) | Factory ventilating system | |
| JP4659101B2 (en) | Air conditioner with ventilation function | |
| CN207365314U (en) | A kind of fresh air-changing device and fully-automatic intelligent air regenerating device | |
| CN105650703A (en) | Intelligent electric range |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |