CN107504620A - Blast method of adjustment in a kind of chamber space - Google Patents
Blast method of adjustment in a kind of chamber space Download PDFInfo
- Publication number
- CN107504620A CN107504620A CN201710538135.7A CN201710538135A CN107504620A CN 107504620 A CN107504620 A CN 107504620A CN 201710538135 A CN201710538135 A CN 201710538135A CN 107504620 A CN107504620 A CN 107504620A
- Authority
- CN
- China
- Prior art keywords
- air
- chamber space
- air channel
- exhaust
- secondary air
- 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/0001—Control or safety arrangements for ventilation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
- F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
- F24F13/12—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of sliding members
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/28—Arrangement or mounting of filters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
- F24F7/06—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
- F24F7/08—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit with separate ducts for supplied and exhausted air with provisions for reversal of the input and output systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/0001—Control or safety arrangements for ventilation
- F24F2011/0002—Control or safety arrangements for ventilation for admittance of outside air
Abstract
Blast method of adjustment in a kind of chamber space, the air inlet system and the exhaust system by the outside air draft in chamber space of the air feed containing oriented chamber space, described exhaust system contains the exhaust duct and exhaust blower connected with chamber space, the another secondary air channel for having a bypass connects with exhaust duct, the port of the secondary air channel is provided with air quantity adjustment structure and communicated with air, the intake of secondary air channel is adjusted by air quantity adjustment structure, the blast in chamber space is adjusted with this.
Description
Technical field
The application is related to the aeration technology in chamber space, especially suitable for the method for adjustment to blast in chamber space.
Background technology
In industrial production, ventilation is not only applicable to factory building foundation configuration, in some special closed workplaces, ventilation
System also carries recycle heat transmission, the control of chamber blast, humidifies drying, flow perturbation intervention, controls air pollutants
Propagate with endangering and ensureing the various functions such as air quality.According to exhaust way, aeration technology is divided into gravity-flow ventilation and machinery leads to
Two kinds of wind, place is required to ventilation index again in some relative closures, be required for using positive mechanical air draft and add control, come
Ensure the realization of many technical data of equipment.
In Design of ventilation construction, usually rely on data and calculate to meet the control of intake and exhaust air rate.But because of air
Transmission viscosity itself and there is a friction with tube wall, the fetch of transmission unavoidably causes energy loss, build-up of pressure loss, and
Each branch's loop configuration, each section pressure loss change differ, are difficult to realize purpose of design, cause state out-of-control condition.Design
When, to avoid air quantity pressure from lacking, the design phase, typically can all consider artificially to expand Wind Coverage Calculation value.
The spray drying room of aircraft is as specialized external coating processing equipment, and workspace requires very high, particularly as spray
Product is painted, indoor temperature, humidity, blast, air purity have corresponding index support to operate, and all requirements
Ventilating system support is all needed to realize.The temperature homogeneity in chamber space, moisture distribution, external and internal pressure are balanced, air clear
Cleanliness, very high requirement is proposed for ventilating system, and in use, because coating cloud influences, filtering, air channel, machine
Tool kinetic energy is all affected, and the situation of technical parameter off-design requirement often occurs, that is to say, that in reality produces
Control to the intake and exhaust air rate of special chamber space ventilation system as spray painting factory building is to restrict a disaster of production
Topic.
In the prior art, the solution for adjusting intake and exhaust air rate parameter has more ventilating fan, air-valve control, frequency-converter tube
The means such as reason, but these methods have certain limitation.Blower fan is changed：It is big to Influence of production, macrocyclic dismounting, debugging peace
The work influence normal use of equipment, the batches of replacing fund such as dress also have certain cost pressure；Air-valve controls, as wind
The mechanical component of power adjustment, adjustment disabler is caused because of mechanical component jam caused by use for a long time unavoidably in air channel.Adopt
It is that separate unit value is up to tens thousand of members, also more as large space, quantity required with the shortcomings that frequency conversion management control technique, it is contemplated that
Cost pressure, typically all fail to use.Limitation how is broken through, effectively realizes control, ensures the realization of each parameter of equipment just
Seem particularly difficult.
The content of the invention
It is an object of the present invention to the problem of existing for prior art, in the case of not wholesale increase expense, excavates
Plant machinery adjusts effect, eliminates follow-up blast change, improves equipment use state, there is provided a kind of chamber wind pressure data adjustment
Effective ways.
Blast method of adjustment in a kind of chamber space, the air inlet system of the air feed containing oriented chamber space and from chamber space to
The exhaust system of outer air draft, it is characterised in that described exhaust system contains the exhaust duct and exhaust blower connected with chamber space,
The another secondary air channel for having a bypass connects with exhaust duct, and the port of the secondary air channel is provided with air quantity adjustment structure and communicated with air,
The intake of secondary air channel is adjusted by air quantity adjustment structure, the blast in chamber space is adjusted with this.
The beneficial effects of the present invention are：1), can be in the row of blower fan first on the basis of device data ability is not destroyed
Wind section installs adjustable air compensation device additional, and benefit wind is carried out to exhaust duct to be had an impact to the flowing of wind, realizes system wind pressure and wind
The adjustment effect of amount.2) wind path is in transmit process, artificial increased benefit air quantity, can effectively reduce the suction in air channel endpiece air port
With the transmission capacity of wind, so as to influence the pressure change of chamber, and the configuration of adjustable mechanism can also be adjusted in real time to airflow pressure
Section, size and the workspace blast of wind-supplying mouth opening and closing are inversely proportional change.3) mended according to the real time data of operation interval, adjustment opening and closing
Wind apparatus air-vent size, so that it may realize adjustment effect.4) it is simple and reasonable, money caused by the secondary input of equipment avoided
Golden breach pressure, effectively eliminate the nonadjustable defect of blower fan data.
Accompanying drawing is described in further detail to the application with reference to embodiments：
Brief description of the drawings
Fig. 1 is chamber workspace air supplying and exhausting system schematic diagram.
Fig. 2 is the exhaust system schematic diagram of chamber workspace.
Fig. 3 is that the benefit wind of exhaust duct introduces schematic diagram.
Fig. 4 is secondary air channel and air quantity adjustment structure schematic diagram.
Label declaration in figure：1 chamber space, 2 pressure fan, 3 exhaust blowers, 4 exhaust ducts, 5 secondary air channels, 6 flanges, 7 connection frames,
8 filtering screens, 9 active plugboards, 10 alignment pins
Embodiment
Referring to accompanying drawing, chamber space 1 can be a paint spray booth in embodiment, or one needs to keep certain air
The operating room for the index that circulates, in order to keep the air flow index in chamber space 1, by the pressure fan 2 of air inlet system by sending
Airduct conveys fresh air into chamber space 1, then the exhaust duct 4 by being connected with chamber space 1 and exhaust blower 3 are by chamber space
Discharging air outward in 1, keeps air quality and air pressure in chamber space 1 with this, in the exhaust system of the application,
Bypass wind-supplying mouth is opened up in exhaust duct side, secondary air channel 5 is connected to the upper of exhaust duct 4, secondary air channel 5, exhaust duct 4 by flange 6
Connected with the entirety of exhaust blower 3, the section for bypassing secondary air channel is arranged to as the 60-80% of air draft tube section.The port of the secondary air channel 5
Communicate provided with air quantity adjustment structure and with air, the intake of secondary air channel 5 is adjusted by air quantity adjustment structure, chamber is adjusted with this
The blast in space 1.The air quantity adjustment structure is that a filtering screen 8 is provided with the mouth of pipe of secondary air channel 5, and the filtering screen 8 is logical
Cross connection frame 7 and be connected to the mouth of pipe of secondary air channel 5, make into secondary air channel air first by the filtering screen 8 filter it is clean
Only, also one active plugboard 9 of grafting, active plugboard 9 can partly or entirely be kept off between the mouth of pipe of plate 8 and secondary air channel 5 is deleted in filtering
The firmly mouth of pipe of secondary air channel 5, the size of secondary air channel intake being adjusted with this, active plugboard 5 realizes the variable regulation in air duct air port,
After blast debugging position determines, realize the position of active plugboard 5 with alignment pin 6 and mend the locking of air quantity.
The blast method of adjustment of the present invention, can first on the basis of the device data ability of former ventilating system is not destroyed
Install adjustable bypass secondary air channel additional in the air inducing section of exhaust blower 3, that is, on exhaust duct 4, the supporting of secondary air channel can be to the stream of wind
It is dynamic to have an impact, realize and adjust whole ventilating system pressure and regulation air quantity effect, for the temperature, humidity, sky of large-scale chamber
The requirement such as gas cleanliness factor, outer emission effect, there is certain adjustment function.Artificial increased benefit air quantity, can effectively reduce air draft
The suction in pipe endpiece air port and the transmission capacity of wind, so as to influence the pressure change in chamber, the size of wind-supplying mouth opening and closing and work
Area's blast is inversely proportional change.In use, according to the real time data of operation interval, secondary air channel mouth is adjusted by external active plugboard
Intake, so that it may realize adjustment effect.
The application patent can artificially interfere the suction air volume and blast of exhaust duct tail end working region, and it is for airflow pressure
Adjustment proposes a kind of modification method of normality, and the frequency converter compared to routine puts into and used, caused wholesale cost consumption,
Cost can be effectively reduced, improves efficiency, this method has very big reference function to the construction of wind system class from now on.
Claims (3)
1. blast method of adjustment in a kind of chamber space, the air inlet system of the air feed containing oriented chamber space and outside by chamber space
The exhaust system of air draft, it is characterised in that described exhaust system contains the exhaust duct and exhaust blower connected with chamber space, separately
The secondary air channel for having a bypass connects with exhaust duct, and the port of the secondary air channel is provided with air quantity adjustment structure and communicated with air, leads to
The intake of air quantity adjustment structure regulation secondary air channel is crossed, the blast in chamber space is adjusted with this.
2. confined space ventilating system air flow adjusting method as claimed in claim 1, it is characterised in that bypass secondary air channel
Section is the 60-80% of air draft tube section.
3. confined space ventilating system air flow adjusting method as claimed in claim 1, it is characterised in that described air quantity is adjusted
Nodule structure is to delete one active plugboard of grafting between plate and the mouth of pipe in filtering provided with a grating plate at the mouth of pipe of secondary air channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710538135.7A CN107504620A (en) | 2017-07-04 | 2017-07-04 | Blast method of adjustment in a kind of chamber space |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710538135.7A CN107504620A (en) | 2017-07-04 | 2017-07-04 | Blast method of adjustment in a kind of chamber space |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107504620A true CN107504620A (en) | 2017-12-22 |
Family
ID=60679336
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710538135.7A Pending CN107504620A (en) | 2017-07-04 | 2017-07-04 | Blast method of adjustment in a kind of chamber space |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107504620A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110042340A (en) * | 2019-05-15 | 2019-07-23 | 江苏金色工业炉股份有限公司 | A kind of nitriding furnace air guide structure |
| CN110793146A (en) * | 2019-12-18 | 2020-02-14 | 海底捞控股私人有限公司 | Ground exhaust system and control method thereof |
| CN110793145A (en) * | 2019-12-18 | 2020-02-14 | 海底捞控股私人有限公司 | Ground exhaust system and control method thereof |
| CN110953656A (en) * | 2019-12-17 | 2020-04-03 | 重庆美的通用制冷设备有限公司 | Air-cooled air conditioning unit |
| CN114505358A (en) * | 2022-01-23 | 2022-05-17 | 武汉宝熠德工程技术有限公司 | Brush roll and air knife combined dust removal device |
| CN116020581A (en) * | 2022-12-28 | 2023-04-28 | 中国人民解放军军事科学院军事医学研究院 | Automatic adjusting component of three-level biological safety cabinet and three-level biological safety cabinet |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE9000261L (en) * | 1990-01-25 | 1991-07-26 | Flaekt Ab | SETTING AND DEVICE TO AFFECT THE MOVEMENT OF PARTICLES IN A TUNNEL SIZE SPACE |
| CN201133481Y (en) * | 2007-11-19 | 2008-10-15 | 广东科达机电股份有限公司 | Damper valve for adjusting air quantity |
| CN101733228A (en) * | 2008-12-19 | 2010-06-16 | 孙新艾 | Energy-saving and noise reduction type paint spraying and baking booth |
| CN102019124A (en) * | 2009-09-21 | 2011-04-20 | 江苏同和涂装机械有限公司 | Automatic paint mist suction device |
| CN103542498A (en) * | 2013-10-18 | 2014-01-29 | 戴若夫 | Air filter |
| CN203686190U (en) * | 2013-12-24 | 2014-07-02 | 巨石集团有限公司 | Air leakage prevention plugboard valve |
| CN204063284U (en) * | 2014-05-15 | 2014-12-31 | 牛京伟 | Split air purifier |
| CN205217228U (en) * | 2015-07-06 | 2016-05-11 | 深圳市柳溪科技发展有限公司 | Inner loop spouts room |
| CN106466490A (en) * | 2015-08-22 | 2017-03-01 | 天津有序环境科技发展有限公司 | Air sterilization balanced draft boiler |
-
2017
- 2017-07-04 CN CN201710538135.7A patent/CN107504620A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE9000261L (en) * | 1990-01-25 | 1991-07-26 | Flaekt Ab | SETTING AND DEVICE TO AFFECT THE MOVEMENT OF PARTICLES IN A TUNNEL SIZE SPACE |
| CN201133481Y (en) * | 2007-11-19 | 2008-10-15 | 广东科达机电股份有限公司 | Damper valve for adjusting air quantity |
| CN101733228A (en) * | 2008-12-19 | 2010-06-16 | 孙新艾 | Energy-saving and noise reduction type paint spraying and baking booth |
| CN102019124A (en) * | 2009-09-21 | 2011-04-20 | 江苏同和涂装机械有限公司 | Automatic paint mist suction device |
| CN103542498A (en) * | 2013-10-18 | 2014-01-29 | 戴若夫 | Air filter |
| CN203686190U (en) * | 2013-12-24 | 2014-07-02 | 巨石集团有限公司 | Air leakage prevention plugboard valve |
| CN204063284U (en) * | 2014-05-15 | 2014-12-31 | 牛京伟 | Split air purifier |
| CN205217228U (en) * | 2015-07-06 | 2016-05-11 | 深圳市柳溪科技发展有限公司 | Inner loop spouts room |
| CN106466490A (en) * | 2015-08-22 | 2017-03-01 | 天津有序环境科技发展有限公司 | Air sterilization balanced draft boiler |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110042340A (en) * | 2019-05-15 | 2019-07-23 | 江苏金色工业炉股份有限公司 | A kind of nitriding furnace air guide structure |
| CN110953656A (en) * | 2019-12-17 | 2020-04-03 | 重庆美的通用制冷设备有限公司 | Air-cooled air conditioning unit |
| CN110793146A (en) * | 2019-12-18 | 2020-02-14 | 海底捞控股私人有限公司 | Ground exhaust system and control method thereof |
| CN110793145A (en) * | 2019-12-18 | 2020-02-14 | 海底捞控股私人有限公司 | Ground exhaust system and control method thereof |
| CN114505358A (en) * | 2022-01-23 | 2022-05-17 | 武汉宝熠德工程技术有限公司 | Brush roll and air knife combined dust removal device |
| CN116020581A (en) * | 2022-12-28 | 2023-04-28 | 中国人民解放军军事科学院军事医学研究院 | Automatic adjusting component of three-level biological safety cabinet and three-level biological safety cabinet |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107504620A (en) | Blast method of adjustment in a kind of chamber space | |
| CN204710833U (en) | Vent cabinet | |
| US9423128B2 (en) | Control system for exhaust gas fan system | |
| CN202012998U (en) | Air-supplementing type ventilation cabinet device | |
| CN110836431A (en) | Indoor ventilation system and control method thereof | |
| CN106352463A (en) | Weak turbulence uniform air mixing and delivery device | |
| CN111397035B (en) | Air conditioning system for textile mill and working method thereof | |
| CN108361220A (en) | A kind of open type air eddy side intake and blowing device | |
| CN109799062B (en) | Blowing type wind-blowing wind tunnel with drainage section | |
| CN105526666B (en) | A kind of extractor fan and its method of Multipoint Uniform flow | |
| CN206299598U (en) | A kind of PID pressure heads automatically adjust closed-loop control system | |
| CN204786747U (en) | Circulating fan organizes structure | |
| CN210801515U (en) | Variable air volume air treatment system for laboratory | |
| CN205109982U (en) | Circulated air accuse temperature system for automatic spraying production line | |
| CN104953095B (en) | Efficient high-temperature curing drying room | |
| CN103982973A (en) | Ventilating duct system distributed according to air volume and design method | |
| CN208547461U (en) | A kind of wind speed based on two-sided cavity, pressure, temperature calibration system | |
| CN209496298U (en) | A kind of High aititude, low temperature environment electric control gear intelligent environment regulator control system | |
| CN202403381U (en) | Air distributing system of air conditioning system | |
| CN206981084U (en) | A kind of finish-baking room for automobile air-supply arrangement | |
| CN219817423U (en) | Fume chamber | |
| CN220198850U (en) | Wind-reducing and thickening exhaust device | |
| JPH0692835B2 (en) | Room pressure control system | |
| CN216889044U (en) | Wind conveying device for controlling clean workshop | |
| CN204083808U (en) | A kind of flue gas flow amplifying device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20171222 |
|
| WD01 | Invention patent application deemed withdrawn after publication |