CN115814557A - Negative pressure air purification system for isolated space in construction site - Google Patents
Negative pressure air purification system for isolated space in construction site Download PDFInfo
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- CN115814557A CN115814557A CN202211164182.7A CN202211164182A CN115814557A CN 115814557 A CN115814557 A CN 115814557A CN 202211164182 A CN202211164182 A CN 202211164182A CN 115814557 A CN115814557 A CN 115814557A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
- Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust
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Abstract
The invention provides a negative pressure air purification system for an isolation space in a construction site, which comprises a remote/local control and display unit, an air inlet unit, a primary filter recovery unit, a water elution filter and flushing unit, a water circulation unit, a water-vapor separation unit, an activated carbon unit, a noise reduction unit and a PM2.5 monitoring unit, wherein the PM2.5 monitoring unit is mutually connected with the remote/local control unit through a circuit, and a vibrator in the primary filter recovery unit, a centrifugal fan in the air inlet unit, an electromagnetic valve in the water elution filter and flushing unit and a pressure pump in the water circulation unit are mutually connected with the remote/local control unit through circuits. The water filtration type PM2.5 air purification system comprises a remote/local control and display unit, an air inlet unit, a primary filtration recovery unit, a water elution filtration and flushing unit, a water circulation unit, a water-vapor separation unit, an active carbon unit, a noise reduction unit and a PM2.5 monitoring unit, and solves the problem of pollution emission in a construction site.
Description
Technical Field
The invention relates to the technical field of air purification, in particular to a negative-pressure air purification system for an isolation space in a construction site.
Background
In the earth excavation supporting stage, the main structure stage and the secondary structure building stage of the engineering, a large amount of pollutants such as cement mortar dust particles, harmful gas, wood dust particles and the like generated in the operation process of equipment such as an anchor spraying machine, an air compressor, an electric welding machine, a woodworking cutting saw and the like are used on a construction site in a large amount, so that the environmental protection is seriously polluted, the physical health of construction operators is seriously threatened, and the serious pollution to the environmental protection is also caused by a large amount of cement and mortar dust particles generated in the main operation process in which lung dust patients are generally increased in recent years.
The traditional construction site only carries out centralized closed management to the treatment of above problem with the operation region, forms the measure that the isolation space controlled the pollutant not excessive, still has a large amount of pollution sources in the work progress and scatters through other passageways such as door and window gap, vent, and spills to the atmosphere, and some operation region internal environment is extremely abominable.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a negative-pressure air purification system for an isolation space in a construction site, which solves the problem that the pollution source overflows to pollute the atmosphere in the existing construction site.
(II) technical scheme
In order to realize the purpose, the invention is realized by the following technical scheme: the utility model provides a space negative pressure air purification system is kept apart to job site, includes long-range/local control and display element, air inlet unit, prefiltration recovery unit, washing filtration and washing unit, water circulating unit, steam separation unit, active carbon unit, noise reduction unit, PM2.5 monitoring unit, PM2.5 detecting element and long-range/local control unit are connected through the circuit each other, electromagnetic valve among electromagnetic shaker, the centrifugal fan among the prefiltration recovery unit, the air inlet unit among, washing filtration and washing unit and the force (forcing) pump among the water circulating unit all with long-range/local control unit interconnect, prefiltration recovery unit and air inlet unit interconnect, prefiltration recovery unit and water circulating unit interconnect, air inlet unit and washing filtration and washing unit interconnect, washing filtration and washing unit and water circulating unit interconnect, water elution filtration and washing unit and steam separation unit interconnect, steam separation unit and water circulating unit interconnect, steam separation unit interconnect, water vapor separation unit and active carbon unit interconnect, active carbon unit and noise reduction unit interconnect, remote filtration and washing unit, water inlet filtration and washing unit and noise reduction unit, filtration and washing unit and water separation unit, PM2.5 monitoring unit, water inlet filtration recovery unit and washing unit, water purification unit all through the construction site control and water purification unit.
Preferably, the PM2.5 monitoring unit includes a dust detector, and the remote/local control and display unit includes a liquid crystal control panel, a frequency converter, a PLC, a circuit breaker, a relay, a UPS standby power supply, a remote data transmission/reception device, a signal transmission antenna, and a start/stop device.
Preferably, the primary filtration recovery unit comprises a detachable textile fiber filter cotton, a vibrator, a steel wire framework frame, a discharge port and a dry material collection bin, and the air inlet unit comprises a centrifugal fan and a grid air port.
Preferably, the water circulation unit comprises a pressure pump, a pump pipe, a check valve, an electromagnetic valve, a water collecting port, a water draining and blowdown valve and a hose, and the water eluting, filtering and washing unit comprises an atomizing nozzle, a spray pipe, a collecting pool and a settling bin.
Preferably, the water-vapor separation unit comprises an aluminum alloy filler module, a flushing pipe and a high-pressure spray head.
Preferably, the activated carbon unit comprises an activated carbon module.
Preferably, the noise reduction unit comprises a construction site isolation space negative pressure air purification system box body, an air outlet static pressure box, an air inlet, an air outlet and sound absorption cotton.
Preferably, the work flow of the purification system comprises the following steps:
s1, monitoring in real time
Real-time monitoring of actual measurement concentration of PM2.5 at the air inlet and the air outlet through a dust detector, and real-time uploading of collected data to an intelligent construction site platform interface to form dynamic data, so that personnel can conveniently monitor the area at any time;
s2. Remote/process control
The monitoring personnel respectively control and start the system at any time according to the uploaded data, control the power of a centrifugal fan in the air inlet unit and a start-stop device according to corresponding data feedback, start a vibrator, simultaneously start an electromagnetic valve and a pressure pump and start/stop the electromagnetic valve and the pressure pump according to signals fed back by a PLC (programmable logic controller) arranged in the control unit;
s3, primary filtering and air supply
The polluted air is sucked into the primary filtering recovery unit through a centrifugal fan, the dust is adsorbed through filter cotton, then the dust is shaken off through a shaker and falls into a dry material collecting bin, and the primarily filtered polluted air is conveyed into a water eluting filtering and washing unit through the centrifugal fan;
s4, water elution filtration and water circulation
Circulating water is conveyed into a spray pipe in the water eluting, filtering and washing unit through a pressure pump in the water circulating unit, then polluted air is humidified by atomized water sprayed by an atomizing nozzle, then a muddy water mixture flows to a collecting pool through a water collecting port in the water circulating unit, water is pumped through the pressure pump, then the water flows back to a settling bin, and then air containing water vapor is conveyed into a water vapor separation unit through wind power generated by a centrifugal fan in an air inlet unit;
s5, water-vapor separation
The water and the steam are separated by an aluminum alloy filler module in a water and steam separation unit, air for eliminating the water and the steam is conveyed to an active carbon unit by wind power generated by a centrifugal fan in an air inlet unit, pollutants adhered to the filler are washed away by a high-pressure spray head and a flushing pipe in water and steam separation and filtration, and the pollutants are flowed into a precipitation bin through a water collecting port;
s6, filtering peculiar smell and harmful gas
Harmful gas or peculiar smell gas in the air is filtered through the activated carbon modules in the activated carbon units, such as: harmful gas generated by electric welding operation and peculiar smell released by a garbage station;
s7, noise reduction and discharge
The suction cotton in the noise reduction unit is attached to the inside of the construction site isolation space negative pressure air purification system box body, so that noise generated by the centrifugal fan is isolated in the box body, and then filtered air passes through the air outlet in the noise reduction unit and is discharged to the atmosphere.
(III) advantageous effects
The invention provides a negative-pressure air purification system for an isolation space in a construction site. The method has the following beneficial effects:
the water filtration type PM2.5 air purification system is arranged in an area with concentrated pollution, such as a mortar tank shed, a welding shed, a wooden shed, a closed garbage station, a water and electricity processing shed, an underground garage and the like. The system collects pollution sources through ventilation pipelines arranged in a pollution area uniformly by isolating pollutants such as dust particles, poisonous and harmful gas, sawdust particles (dust) and peculiar smell in the construction operation process through a construction site through a negative pressure air purification system in a space, and performs multistage treatment to reach safe emission standards, the collected pollutants are classified and then can be recycled, sewage generated in the treatment process and waste water are recycled after being precipitated through an equipment precipitation tank, the problem of pollution emission in the construction site is solved, the water resource waste and project construction cost are effectively reduced, meanwhile, the system is in seamless connection with a smart site system, the problems of pollution emission data, internal pollution concentration parameters and the like in the above areas can be monitored in real time, a remote and local control system is arranged, system parameters can be timely adjusted according to the pollution data reflected by the smart site system, and the characteristics of electricity utilization and energy conservation are realized.
Drawings
FIG. 1 is a process flow diagram of the present invention;
FIG. 2 is a schematic diagram of the present invention.
Wherein, 1, an air inlet; 2. an atomizing spray head; 3. a flush tube; 4. an aluminum alloy filler module; 5. an activated carbon module; 6. a signal transmission antenna; 7. an air outlet; 8. an air outlet static pressure box; 9. a pressure pump; 10. a device liquid crystal control panel; 11. a settling bin; 12. a water collecting port; 13. a drain blowdown valve; 14. a shower pipe; 15. a collection pool; 16. a centrifugal fan; 17. a vibrator; 18. a discharge opening; 19. and (5) a dust detector.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
as shown in FIG. 2, the embodiment of the invention provides a negative pressure air purification system for an isolation space in a construction site, which comprises a remote/local control and display unit, an air inlet unit, a primary filtration recovery unit, a water elution filtration and flushing unit, a water circulation unit, a water-vapor separation unit, an activated carbon unit, a noise reduction unit and a PM2.5 monitoring unit, wherein the PM2.5 monitoring unit is connected with the remote/local control unit through a circuit, a vibrator 17 in the primary filtration recovery unit, a centrifugal fan 16 in the air inlet unit, an electromagnetic valve in the water elution filtration and flushing unit and a pressure pump 9 in the water circulation unit are connected with the remote/local control unit through circuits, the primary filtration recovery unit is connected with the air inlet unit, the primary filtration recovery unit is connected with the water circulation unit, and the water elution filtration and flushing unit are connected with each other, the water-washing filtering and washing unit is connected with the water circulation unit, the water-washing filtering and washing unit is connected with the water-steam separation unit, the water-steam separation unit is connected with the water circulation unit, the water-steam separation unit is connected with the activated carbon unit, the activated carbon unit is connected with the noise reduction unit, the remote/local control and display unit, the air inlet unit, the primary filter recovery unit, the water-washing filtering and washing unit, the water circulation unit, the water-steam separation unit, the activated carbon unit and the PM2.5 monitoring unit are connected with the noise reduction unit through the construction site isolation space negative pressure air purification system box, the PM2.5 monitoring unit comprises a dust detector 19, the remote/local control and display unit comprises a liquid crystal control panel 10, a frequency converter, a PLC, a circuit breaker, a relay, a UPS standby power supply and a remote data transmission/receiving device, signal transmission antenna 6, open and stop the device, the primary filter recovery unit is including dismantling textile fiber filter pulp, electromagnetic shaker 17, steel wire skeleton frame, discharge opening 18 and drier collection storehouse, the air inlet unit is including centrifugal fan 16 and grid wind gap, the hydrologic cycle unit is including force (forcing) pump 9, the pump line, the check valve, the solenoid valve, catchment mouth 12, sluicing blowoff valve 13 and hose, washing water elution filters and washes the unit including atomizer 2, shower pipe 14, collect pond 15 and deposit storehouse 11, the steam separation unit is including aluminum alloy filler module 4, flushing pipe 3 and high pressure nozzle, the active carbon unit is including active carbon module 5, the unit of making an uproar falls is including construction site isolation space negative pressure air purification system box, air outlet plenum box 8, air intake 1, air outlet 7 and cotton sound absorption.
Example two:
as shown in fig. 1, an embodiment of the present invention provides a negative pressure air purification system for an isolation space in a construction site, and a work flow of the purification system includes the following steps:
s1, monitoring in real time
The actually measured concentrations of PM2.5 at the air inlet 1 and the air outlet 7 are monitored in real time through the dust detector 19, and the collected data are uploaded to an intelligent construction site platform interface in real time to form dynamic data, so that personnel can conveniently monitor the area at any time;
s2. Remote/process control
The monitoring personnel can carry out sub-control to start the system at any time according to the uploaded data, control the power of the centrifugal fan 16 in the air inlet unit and the starting and stopping device according to corresponding data feedback, start the vibrator 17, simultaneously start the electromagnetic valve and the pressure pump 9 and start/stop the system according to signals fed back by a PLC arranged in the control unit;
s3, primary filtering and air supply
The polluted air is sucked into the primary filtering recovery unit through the centrifugal fan 16, the dust is adsorbed through the filter cotton, then the dust is shaken off through the shaker 17 and falls into the dry material collecting bin, and the primarily filtered polluted air is conveyed into the water eluting filtering and washing unit through the centrifugal fan 16;
s4, water elution and filtration and water circulation
Circulating water is conveyed into a spray pipe 14 in a water eluting, filtering and washing unit through a pressure pump in a water circulating unit, then polluted air is humidified by atomized water sprayed by an atomizing nozzle 2, then a muddy water mixture flows to a collecting pool 15 through a water collecting port 12 in the water circulating unit, water is pumped through a pressure pump 9 and then flows back to a settling bin 11, dirt in filtering of water backflow is settled in the settling bin 11, so that water flowing to the pressure pump 9 becomes clear water and circulates, then air containing water vapor is conveyed into a water vapor separating unit through wind power generated by a centrifugal fan 16 in an air inlet unit, and when the dirt in the settling bin 11 is too much, the dirt can be discharged by opening a water draining and pollution discharging valve 13;
s5, water-vapor separation
The water vapor is separated by the aluminum alloy filler module 4 in the water vapor separation unit, air for removing the water vapor is conveyed to the active carbon unit by wind power generated by the centrifugal fan 16 in the air inlet unit, pollutants adhered to the filler are washed away by the high-pressure spray head and the flushing pipe 3 in the water vapor separation and filtration, and the pollutants are flowed into the precipitation bin 11 through the water collecting port 12;
s6, filtering peculiar smell and harmful gas
The harmful gas or the peculiar smell gas in the air is filtered through the activated carbon module 5 in the activated carbon unit, for example: harmful gas generated by electric welding operation and peculiar smell released by a garbage station;
s7, noise reduction and discharge
Through pasting the cotton in the unit of making an uproar of will falling to the job site isolation space negative pressure air purification system box in, thereby the noise that produces centrifugal fan 16 is isolated at the incasement, then pass air outlet 7 in the unit of making an uproar of falling by filterable air and be discharged in the atmosphere, carry out real-time supervision and give data feedback to wisdom building site platform to exhaust air through the dust detector that sets up on the air outlet tripe simultaneously, be convenient for and the polluted air before filtering contrast, thereby know filterable efficiency and state.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a space negative pressure air purification system is kept apart to job site, includes long-range/local control and display element, air inlet unit, just strains recovery unit, washing elution filtration and wash unit, water circulating unit, vapor separation unit, active carbon unit, fall the unit of making an uproar, PM2.5 monitor cell, its characterized in that: the PM2.5 detection unit is connected with the remote/local control unit through lines, a vibrator (17) in the primary filter recovery unit, a centrifugal fan (16) in the air inlet unit, an electromagnetic valve in the water eluting, filtering and washing unit and a pressure pump (9) in the water circulating unit are connected with the remote/local control unit through lines, the primary filter recovery unit is connected with the air inlet unit, the primary filter recovery unit is connected with the water circulating unit, the air inlet unit is connected with the water eluting, filtering and washing unit, the water eluting, filtering and washing unit is connected with the water circulating unit, the water eluting, filtering and washing unit is connected with the water-vapor separation unit, the water-vapor separation unit is connected with the water circulating unit, the water-vapor separation unit is connected with the activated carbon unit, the activated carbon unit is connected with the noise reduction unit, and the remote/local control and display unit, the water inlet unit, the primary filter recovery unit, the eluting, filtering and washing unit, the water circulating unit, the water-vapor separation unit, the activated carbon unit and the PM2.5 negative pressure monitoring unit are connected with the local air purification and noise reduction unit through a construction site.
2. The negative-pressure air purification system for the isolation space of the construction site as claimed in claim 1, wherein: PM2.5 monitoring unit is including dust detector (19), long-range/local control and display element are including liquid crystal control panel (10), converter, PLC, circuit breaker, relay, UPS stand-by power supply and teletransmission data transmission/receiving arrangement, signal transmission antenna (6), start-stop device.
3. The negative-pressure air purification system for the isolation space of the construction site as claimed in claim 1, wherein: the primary filtering and recycling unit comprises a detachable textile fiber filter cotton, a vibrator (17), a steel wire framework frame, a discharge opening (18) and a dry material collecting bin, and the air inlet unit comprises a centrifugal fan (16) and a grid air opening.
4. The negative-pressure air purification system for the isolation space of the construction site as claimed in claim 1, wherein: the water circulation unit comprises a pressure pump (9), a pump pipe, a check valve, an electromagnetic valve, a water collection port (12), a water discharge blow-off valve (13) and a hose, and the water elution filtering and washing unit comprises an atomizing nozzle (2), a spray pipe (14), a collection pool (15) and a precipitation bin (11).
5. The negative-pressure air purification system for the isolation space of the construction site as claimed in claim 1, wherein: the water-vapor separation unit comprises an aluminum alloy filler module (4), a flushing pipe (3) and a high-pressure spray head.
6. The negative-pressure air purification system for the isolation space of the construction site as claimed in claim 1, wherein: the activated carbon unit comprises an activated carbon module (5).
7. The negative-pressure air purification system for the isolation space of the construction site as claimed in claim 1, wherein: the noise reduction unit comprises a construction site isolation space negative pressure air purification system box body, an air outlet static pressure box (8), an air inlet (1), an air outlet (7) and sound absorption cotton.
8. The negative-pressure air purification system for the isolation space of the construction site as claimed in claim 1, wherein: the work flow of the purification system comprises the following steps:
s1, monitoring in real time
Real-time monitoring of the actual concentration of PM2.5 at the air inlet (1) and the air outlet (7) through a dust detector (19), real-time uploading of collected data to an intelligent construction site platform interface to form dynamic data, and convenience is brought to personnel to monitor the area at any time;
s2. Remote/process control
The system is controlled and started by a monitoring person at any time according to the uploaded data, the power of a centrifugal fan (16) in the air inlet unit and a starting and stopping device are controlled according to corresponding data feedback, a vibrator (17) is started, and the electromagnetic valve and the pressure pump (9) are started at the same time and are started/stopped by signals fed back by a PLC (programmable logic controller) arranged in the control unit;
s3, primary filtering and air supply
The polluted air is sucked into the primary filtering recovery unit through a centrifugal fan (16), dust is adsorbed through filter cotton, then the dust is shaken off through a shaker (17) and falls into a dry material collecting bin, and the primarily filtered polluted air is conveyed into a water eluting filtering and washing unit through the centrifugal fan (16);
s4, water elution filtration and water circulation
Circulating water is conveyed into a spray pipe (14) in a water eluting, filtering and washing unit through a pressure pump in a water circulating unit, then polluted air is humidified by atomized water sprayed by an atomizing nozzle (2), then a muddy water mixture flows to a collecting pool (15) through a water collecting port (12) in the water circulating unit, water is pumped through a pressure pump (9), then the water flows back to a settling bin (11), and then air containing water vapor is conveyed into a water vapor separation unit through wind power generated by a centrifugal fan (16) in an air inlet unit.
S5, water-vapor separation
The water vapor is separated by the aluminum alloy filler module (4) in the water vapor separation unit, air which is used for eliminating the water vapor is conveyed to the active carbon unit by wind power generated by the centrifugal fan (16) in the air inlet unit, pollutants adhered to the filler are washed away by the high-pressure spray head and the flushing pipe (3) in the water vapor separation and filtration, and the pollutants are enabled to flow into the precipitation bin (11) through the water collecting port (12).
S6, filtering peculiar smell and harmful gas
Filtering harmful gas or peculiar smell gas in the air through an activated carbon module (5) in the activated carbon unit, for example: harmful gas generated by electric welding operation, peculiar smell released by a garbage station and the like.
S7, noise reduction and emission
The suction cotton in the noise reduction unit is attached to the box body of the construction site isolation space negative pressure air purification system, so that the noise generated by the centrifugal fan (16) is isolated in the box body, and then the filtered air passes through the air outlet (7) in the noise reduction unit and is discharged to the atmosphere.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211164182.7A CN115814557A (en) | 2022-09-23 | 2022-09-23 | Negative pressure air purification system for isolated space in construction site |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211164182.7A CN115814557A (en) | 2022-09-23 | 2022-09-23 | Negative pressure air purification system for isolated space in construction site |
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| CN115814557A true CN115814557A (en) | 2023-03-21 |
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| CN202211164182.7A Pending CN115814557A (en) | 2022-09-23 | 2022-09-23 | Negative pressure air purification system for isolated space in construction site |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116835535A (en) * | 2023-06-21 | 2023-10-03 | 江苏荣信环保科技有限公司 | System and method for recycling waste sulfuric acid |
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2022
- 2022-09-23 CN CN202211164182.7A patent/CN115814557A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116835535A (en) * | 2023-06-21 | 2023-10-03 | 江苏荣信环保科技有限公司 | System and method for recycling waste sulfuric acid |
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