CN114748957A - A environmental control system for job site air quality - Google Patents
A environmental control system for job site air quality Download PDFInfo
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- CN114748957A CN114748957A CN202210402136.XA CN202210402136A CN114748957A CN 114748957 A CN114748957 A CN 114748957A CN 202210402136 A CN202210402136 A CN 202210402136A CN 114748957 A CN114748957 A CN 114748957A
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- dust
- dust concentration
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- main base
- air quality
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- 230000007613 environmental effect Effects 0.000 title claims abstract description 21
- 239000000428 dust Substances 0.000 claims abstract description 176
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 61
- 238000001514 detection method Methods 0.000 claims abstract description 36
- 239000007921 spray Substances 0.000 claims abstract description 35
- 238000005507 spraying Methods 0.000 claims abstract description 27
- 238000004891 communication Methods 0.000 claims abstract description 16
- 238000010276 construction Methods 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims description 4
- 239000003595 mist Substances 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 5
- 238000007664 blowing Methods 0.000 abstract description 3
- 238000012544 monitoring process Methods 0.000 abstract description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
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-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/06—Spray cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/16—Apparatus having rotary means, other than rotatable nozzles, for atomising the cleaning liquid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
- B05B15/60—Arrangements for mounting, supporting or holding spraying apparatus
- B05B15/68—Arrangements for adjusting the position of spray heads
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/06—Investigating concentration of particle suspensions
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D27/00—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00
- G05D27/02—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00 characterised by the use of electric means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/06—Polluted air
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Dispersion Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Separation Of Particles Using Liquids (AREA)
Abstract
The invention relates to an environmental control system for air quality of a construction site, comprising: the system comprises a server and a plurality of dust detection and dust removal devices arranged at different positions of a construction site; dust detection and dust collecting equipment includes: the device comprises a main base, a water tank, a spraying mechanism, a control box, an electric water pump and a dust concentration sensor for detecting the dust concentration; the spraying mechanism includes: the fog gun barrel, a plurality of atomizing nozzles arranged at the outlet end of the fog gun barrel and surrounding the fog gun barrel and a fan for blowing water mist; the fan is arranged in the fog gun barrel; the electric water pump pumps water in the water tank to the spray head; the control box is internally provided with: the device comprises a power supply module, a control module and a wireless communication module; the control module controls the fan and the electric water pump. The dust removal monitoring system has the advantages that dust removal is realized through the dust detection and dust removal equipment, the dust removal effect can be monitored, the server is communicated with the server, and the management and control of the plurality of dust detection and dust removal equipment on the whole construction site can be realized through the server.
Description
Technical Field
The invention relates to an environment control system for air quality of a construction site.
Background
A large amount of dust is easily generated in the construction process of the building. In order to reduce dust pollution, a continuous water spraying operation is generally performed by a spraying system, or a continuous spraying operation is performed by a fog gun machine, and dust is reduced by water mist, so that dust in the air is reduced.
The existing continuous water spraying operation has large water consumption; and at the same time, the monitoring of the dust removal effect is lacked.
Disclosure of Invention
The present invention is directed to an environmental control system for air quality at a construction site to solve the problems set forth in the background art.
In order to achieve the purpose, the invention provides the following technical scheme:
an environmental control system for job site air quality, comprising: the system comprises a server and a plurality of dust detection and dust removal devices arranged at different positions of a construction site;
dust detection and dust collecting equipment includes: the device comprises a main base, a water tank, a spraying mechanism, a control box, an electric water pump and a dust concentration sensor for detecting the dust concentration;
the spraying mechanism includes: the fog gun barrel, a plurality of atomizing nozzles arranged at the outlet end of the fog gun barrel and surrounding the fog gun barrel and a fan for blowing water mist; the fan is arranged in the fog gun barrel; the electric water pump pumps water in the water tank to the spray head; the water tank is arranged in the main base; the spraying mechanism, the electric water pump and the dust concentration sensor are mounted to the main base;
the control box is internally provided with: the device comprises a power supply module, a control module and a wireless communication module; the power supply module supplies power to the dust detection and dust removal equipment in an external commercial power mode; the control module controls the fan and the electric water pump; the wireless communication module is in wireless communication with the server to upload dust concentration information detected by the dust concentration sensor and receive a control signal from the server so that the control module can control the dust concentration sensor based on the control information of the server;
an environmental control system for job site air quality for dust removal operations comprising the steps of:
every preset time interval, the control module starts the dust concentration sensor to detect and acquire the detected dust concentration information and controls the dust concentration sensor to be closed after the dust concentration information is acquired;
the wireless communication module uploads the dust concentration information to a server;
the server sends control information to dust detection and dust removal equipment of a dust concentration information source based on the received dust concentration information, wherein the control information at least comprises: the rotation speed of the electric water pump, the rotation speed of the fan, the working time of the electric water pump and the working time of the fan are controlled;
the control module controls the electric water pump and the fan based on the received control information.
As a further scheme of the invention: the server sends control information to the dust detection and dust removal equipment from which the dust concentration information comes based on the received dust concentration information, and the method comprises the following steps:
the method comprises the steps that a plurality of dust concentration value intervals are preset in a server, wherein each dust concentration value interval corresponds to different control information;
and the server compares the received dust concentration information with the dust concentration value interval and sends control information corresponding to the dust concentration value interval in which the dust concentration information falls to the dust detection and dust removal equipment.
As a further scheme of the invention: dust detection and dust collecting equipment still includes: a spray direction adjusting mechanism for adjusting the spray direction of the spray mechanism;
the spray direction adjustment mechanism includes: the device comprises a rotating disc, an azimuth adjusting motor, a driving gear and a driven gear; the rotating disc is rotatably mounted to the main base; the direction adjusting motor and the spraying mechanism are arranged on the rotating disc; the driving gear is fixed to the main base; the driven gear is meshed with the driving gear; the direction adjusting motor drives the driving gear to rotate so as to enable the rotating disk to rotate relative to the main base.
As a further scheme of the invention: the rotary disk is disposed vertically with respect to a rotation axis of the main base.
As a further scheme of the invention: dust detection and dust collecting equipment still includes: a spray elevation angle adjusting mechanism for adjusting a spray elevation angle of the spraying mechanism;
the spray elevation angle adjusting mechanism comprises: the mounting frame and the electric push rod; the mounting bracket is fixed to the rotating disc; the fog gun barrel is rotatably mounted to the rotating disc; the rotating axis of the fog gun barrel rotating relative to the rotating disc is perpendicular to the rotating axis of the rotating disc rotating relative to the main base; two ends of the electric push rod are respectively and rotatably connected to the rotating disc and the fog gun barrel.
As a further scheme of the invention: the fog gun barrel is horizontally arranged relative to the rotating axis of the rotating disc.
As a further scheme of the invention: the bottom of main base is equipped with the walking wheel that is used for removing dust detection and dust collecting equipment.
As a further scheme of the invention: the control box is mounted to the outer side wall of the main base.
As a further scheme of the invention: the control box and the dust concentration sensor are mounted to the same side of the main base.
As a further scheme of the invention: the control box and the dust concentration sensor are arranged on one side of the main base, which is far away from the direction of spraying water mist by the spraying mechanism.
Compared with the prior art, the invention has the beneficial effects that: realize removing dust and can monitor the dust removal effect through dust detection and dust collecting equipment, communicate with the server and can realize a plurality of dust detection and the management and control of dust collecting equipment of whole job site by the server.
Subsequent dust removal operation can be carried out based on the dust removal effect, does not need the water spray of continuation, helps the water conservation.
A plurality of dust detection and dust removal devices are arranged at different positions of a construction site, and the dust removal state of the whole building construction site is controlled through communication between the dust detection and dust removal devices and a server. And the server is used for operation and judgment, so that the cost of the controller of the dust detection and dust removal equipment is reduced.
Other features and advantages of the present invention will be disclosed in more detail in the following detailed description of the invention and the accompanying drawings.
Drawings
FIG. 1 is a schematic view of an environmental control system for job site air quality in accordance with the present invention;
FIG. 2 is a schematic view of a dust detection and dust removal apparatus of the environmental control system for job site air quality of FIG. 1;
FIG. 3 is a right side view of the dust detection and removal apparatus of FIG. 2;
fig. 4 is a schematic diagram of the wireless communication module of the dust detecting and removing device in fig. 2 communicating with a server.
List of reference numerals: the environmental control system 100 for the air quality of a construction site, the server 10, the dust detection and dust removal equipment 20, a main base 21, a traveling wheel 211, a spraying mechanism 22, a fog gun barrel 221, a control box 23, a power supply module 231, a control module 232, a wireless communication module 233, an electric water pump 24, a dust concentration sensor 25, a spraying direction adjusting mechanism 26, a rotating disc 261, a direction adjusting motor 262, a driving gear 263, a driven gear 264, a spraying elevation angle adjusting mechanism 27, a mounting frame 28 and an electric push rod 29.
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.
As shown in fig. 1 to 4, in an embodiment of the present invention, an environmental control system 100 for air quality at a construction site includes: a server 10 and a plurality of dust detection and dust removal devices 20. A plurality of dust detection and removal devices 20 are provided at different locations on the job site to facilitate dust detection and removal in different areas of the job site.
The dust detecting and removing apparatus 20 includes: a main base 21, a water tank, a spraying mechanism 22, a control box 23, an electric water pump 24, and a dust concentration sensor 25. The dust concentration sensor 25 detects the dust concentration.
The spraying mechanism 22 includes: a fog gun barrel 221, a fan, and a plurality of spray heads. A plurality of spray headers are disposed at the outlet end of the fog gun barrel 221 and surround the fog gun barrel 221. The fan is used for blowing the water mist. Wherein the fan is an electric fan. The blower is disposed in the fog gun barrel 221. The fog gun barrel 221 constitutes an air duct structure for guiding the moving direction of the air flow blown out by the fan.
An electric water pump 24 pumps water from the water tank to the spray head. The water tank is disposed in the main base 21. The spray mechanism 22, the electric water pump 24, and the dust concentration sensor 25 are mounted to the main base 21.
The control box 23 is provided with: a power module 231, a control module 232, and a wireless communication module 233. The power module 231 supplies power to the dust detecting and removing device 20 by external mains supply. As an alternative embodiment, an electricity storage unit, for example, a lithium battery, may also be provided as the power supply. The control module 232 controls the fan and the electric water pump 24.
The wireless communication module 233 wirelessly communicates with the server 10. The wireless communication module 233 uploads the dust concentration information detected by the dust concentration sensor 25 and receives a control signal from the server 10, so that the control module 232 performs control based on the control information of the server 10.
As a preferred embodiment, an environmental control system 100 for job site air quality performs dust removal operations comprising the steps of:
step 1, every preset time interval, the control module 232 starts the dust concentration sensor 25 to detect and acquire detected dust concentration information and controls the dust concentration sensor 25 to be closed after the dust concentration information is acquired;
step 2, the wireless communication module 233 uploads the dust concentration information to the server 10;
step 3, the server 10 issues control information to the dust detection and removal equipment 20 of the dust concentration information source based on the received dust concentration information, wherein the control information at least includes: the rotating speed of the electric water pump 24, the rotating speed of the fan, the working time of the electric water pump 24 and the working time of the fan;
and 4, the control module 232 controls the electric water pump 24 and the fan based on the received control information.
The dust concentration sensor 25 is not required to continuously detect the dust concentration. The control module 232 controls the dust concentration sensor 25 to perform intermittent detection, so that power consumption is reduced.
As a specific implementation manner, the server 10 issues control information to the dust detection and removal device 20 from which the dust concentration information originates based on the received dust concentration information, and includes the following steps:
the server 10 is preset with a plurality of dust concentration value intervals, wherein each dust concentration value interval corresponds to different control information.
The server 10 compares the received dust concentration information with the dust concentration value interval, and issues control information corresponding to the dust concentration value interval in which the dust concentration information falls to the dust detection and removal device 20. Can realize dynamic control based on dust concentration
When the dust concentration is higher, promote the spray volume to promote the efficiency of removing dust. When the dust concentration is low, the spraying amount is reduced. And after the dust removal operation with the specified duration is completed. The dust concentration can be detected again, and the step of dust removal operation can be repeatedly executed. A new dust removal pattern is adjusted based on the latest dust concentration.
The server 10 can control a plurality of dust detecting and dust removing devices 20 at the same time, so that a manager can know dust conditions in different areas of a construction site conveniently, and can perform different controls on different areas.
As a preferred embodiment, the dust detecting and removing apparatus 20 further includes: a spray direction adjusting mechanism 26 for adjusting the spray direction of the spray mechanism 22.
The spray orientation adjusting mechanism 26 includes: a rotary disk 261, an azimuth adjusting motor 262, a driving gear 263 and a driven gear 264. The rotary disk 261 is rotatably mounted to the main base 21. The orientation adjusting motor 262 and the spray mechanism 22 are mounted to the rotary disk 261. The driving gear 263 is fixed to the main base 21. The driven gear 264 meshes with the driving gear 263. The orientation adjusting motor 262 drives the driving gear 263 to rotate so that the rotary disk 261 rotates with respect to the main base 21. The rotary disk 261 is vertically disposed with respect to the rotational axis of the main base 21.
As a preferred embodiment, the dust detecting and removing apparatus 20 further includes: a spray elevation angle adjusting mechanism 27 for adjusting the spray elevation angle of the spraying mechanism 22.
The spray elevation adjustment mechanism 27 includes: mounting bracket 28 and power pushrod 29. The mounting bracket 28 is fixed to the rotary disk 261. The fog gun barrel 221 is rotatably mounted to the rotary disk 261. The rotation axis of the fog gun barrel 221 relative to the rotary disk 261 rotates is perpendicular to the rotation axis of the rotary disk 261 relative to the main base 21. Both ends of the electric putter 29 are rotatably connected to the rotary plate 261 and the fog gun barrel 221, respectively. The fog gun barrel 221 is disposed horizontally with respect to the rotational axis of the rotary disk 261.
As a specific embodiment, the bottom of the main base 21 is provided with traveling wheels 211 for moving the dust detecting and removing device 20. The main base 21 can be dragged or pushed to move on the ground through the travelling wheels 211, so that the dust detection and removal equipment 20 is convenient to carry.
As a specific embodiment, the control box 23 is mounted to the outer side wall of the main base 21. The control box 23 and the dust concentration sensor 25 are mounted to the same side of the main base 21. The control box 23 and the dust concentration sensor 25 are provided on the side of the main base 21 away from the direction in which the water mist is sprayed by the spraying mechanism 22. The positioning of control box 23 and dust concentration sensor 25 helps to reduce the effect of mist spray on the electronic equipment in control box 23 and dust concentration sensor 25.
As a preferred embodiment, a water level sensor may be provided to detect the amount of water remaining in the water tank. An electromagnetic valve can be arranged on the external water supply pipeline to control the on-off of the pipeline. The residual water volume control solenoid valve in the water tank that can detect based on level sensor supplies water in order to make external supply pipe to the water tank to can realize the automatic water supply to the water tank, the dust detection of being convenient for and dust collecting equipment 20's the operation of removing dust continuously.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. An environmental control system for job site air quality, comprising: the system comprises a server and a plurality of dust detection and dust removal devices arranged at different positions of a construction site;
the dust detecting and removing apparatus includes: the device comprises a main base, a water tank, a spraying mechanism, a control box, an electric water pump and a dust concentration sensor for detecting the dust concentration;
the spraying mechanism includes: the fog gun comprises a fog gun barrel, a plurality of fog spray heads and a fan, wherein the fog spray heads are arranged at the outlet end of the fog gun barrel and surround the fog gun barrel; the fan is arranged in the fog gun barrel; the electric water pump pumps water in the water tank to the spray head; the water tank is arranged in the main base; the spraying mechanism, the electric water pump and the dust concentration sensor are mounted to the main base;
the control box is internally provided with: the device comprises a power supply module, a control module and a wireless communication module; the power supply module supplies power to the dust detection and dust removal equipment in an external commercial power mode; the control module controls the fan and the electric water pump; the wireless communication module is in wireless communication with the server to upload dust concentration information detected by the dust concentration sensor and receive a control signal from the server so as to enable the control module to control based on the control information of the server;
the environment control system for the air quality of the construction site for dedusting operation comprises the following steps:
every preset time interval, the control module starts the dust concentration sensor to detect and acquire detected dust concentration information and controls the dust concentration sensor to be closed after the dust concentration information is acquired;
the wireless communication module uploads dust concentration information to the server;
the server sends control information to the dust detection and dust removal equipment of the dust concentration information source based on the received dust concentration information, wherein the control information at least comprises: the rotation speed of the electric water pump, the rotation speed of the fan, the working time of the electric water pump and the working time of the fan are controlled;
and the control module controls the electric water pump and the fan based on the received control information.
2. An environmental control system for job site air quality according to claim 1,
the server sends control information to the dust detection and dust removal equipment from which the dust concentration information comes based on the received dust concentration information, and the method comprises the following steps:
the server is preset with a plurality of dust concentration value intervals, wherein each dust concentration value interval corresponds to different control information;
and the server compares the received dust concentration information with the dust concentration value interval and issues control information corresponding to the dust concentration value interval in which the dust concentration information falls to the dust detection and dust removal equipment.
3. An environmental control system for job site air quality according to claim 1,
the dust detecting and removing apparatus further comprises: a spray direction adjusting mechanism for adjusting the spray direction of the spray mechanism;
the spray orientation adjustment mechanism includes: the device comprises a rotating disc, an azimuth adjusting motor, a driving gear and a driven gear; the rotating disk is rotatably mounted to the main base; the azimuth adjusting motor and the spraying mechanism are mounted to the rotating disc; the driving gear is fixed to the main base; the driven gear is meshed with the driving gear; the direction adjusting motor drives the driving gear to rotate so as to enable the rotating disc to rotate relative to the main base.
4. An environmental control system for job site air quality according to claim 3,
the rotating disk is vertically arranged relative to a rotating axis of the main base.
5. An environmental control system for job site air quality according to claim 3,
the dust detecting and removing apparatus further comprises: a spray elevation adjustment mechanism for adjusting a spray elevation of the spray mechanism;
the spray elevation adjustment mechanism comprises: the mounting frame and the electric push rod; the mounting bracket is fixed to the rotating disc; the fog gun barrel is rotatably mounted to the rotating disc; the rotation axis of the fog gun barrel rotating relative to the rotating disc is perpendicular to the rotation axis of the rotating disc rotating relative to the main base; two ends of the electric push rod are respectively and rotatably connected to the rotating disc and the fog gun barrel.
6. An environmental control system for job site air quality according to claim 5,
the fog gun barrel is horizontally arranged relative to the rotating axis of the rotating disc.
7. An environmental control system for job site air quality according to claim 1,
and a traveling wheel used for moving the dust detection and dust removal equipment is arranged at the bottom of the main base.
8. An environmental control system for job site air quality according to claim 1,
the control box is mounted to an outer sidewall of the main base.
9. An environmental control system for job site air quality according to claim 8,
the control box and the dust concentration sensor are mounted to the same side of the main base.
10. An environmental control system for job site air quality according to claim 9,
the control box and the dust concentration sensor are arranged on one side, away from the spraying direction of the spraying mechanism, of the main base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210402136.XA CN114748957A (en) | 2022-04-15 | 2022-04-15 | A environmental control system for job site air quality |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210402136.XA CN114748957A (en) | 2022-04-15 | 2022-04-15 | A environmental control system for job site air quality |
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| Publication Number | Publication Date |
|---|---|
| CN114748957A true CN114748957A (en) | 2022-07-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210402136.XA Pending CN114748957A (en) | 2022-04-15 | 2022-04-15 | A environmental control system for job site air quality |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211159064U (en) * | 2019-10-15 | 2020-08-04 | 蓝城乐居建设管理集团有限公司 | Tower crane sprays dust removal structure |
| KR102153072B1 (en) * | 2020-03-19 | 2020-09-07 | 김용근 | Fine Dust and Temperature Control System in Building |
| CN213077872U (en) * | 2020-06-17 | 2021-04-30 | 广东重工建设监理有限公司 | Building site spray dust collector |
| CN113351397A (en) * | 2021-06-04 | 2021-09-07 | 中国神华能源股份有限公司哈尔乌素露天煤矿研究院 | Fog gun device capable of automatically adjusting spraying amount along with dust concentration change |
-
2022
- 2022-04-15 CN CN202210402136.XA patent/CN114748957A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211159064U (en) * | 2019-10-15 | 2020-08-04 | 蓝城乐居建设管理集团有限公司 | Tower crane sprays dust removal structure |
| KR102153072B1 (en) * | 2020-03-19 | 2020-09-07 | 김용근 | Fine Dust and Temperature Control System in Building |
| CN213077872U (en) * | 2020-06-17 | 2021-04-30 | 广东重工建设监理有限公司 | Building site spray dust collector |
| CN113351397A (en) * | 2021-06-04 | 2021-09-07 | 中国神华能源股份有限公司哈尔乌素露天煤矿研究院 | Fog gun device capable of automatically adjusting spraying amount along with dust concentration change |
Non-Patent Citations (1)
| Title |
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| 王海涛等: "《煤矿安全技术》", 吉林大学出版社, pages: 89 - 90 * |
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