CN113457329A - Dry fog dust suppression device for preventing water fog dissipation - Google Patents
Dry fog dust suppression device for preventing water fog dissipation Download PDFInfo
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- CN113457329A CN113457329A CN202110918333.2A CN202110918333A CN113457329A CN 113457329 A CN113457329 A CN 113457329A CN 202110918333 A CN202110918333 A CN 202110918333A CN 113457329 A CN113457329 A CN 113457329A
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- fog
- dry
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- mist
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
- B05B12/16—Arrangements for controlling delivery; Arrangements for controlling the spray area for controlling the spray area
- B05B12/18—Arrangements for controlling delivery; Arrangements for controlling the spray area for controlling the spray area using fluids, e.g. gas streams
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- 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
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- Chemical Kinetics & Catalysis (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention discloses a dry fog dust suppression device for preventing water fog from dissipating, which comprises a dry fog generating device, wherein the dry fog generating device comprises a high-pressure gas generating device and a water supply device, the high-pressure gas generating device and the water supply device are connected with a spraying device, the high-pressure gas generating device, the water supply device and the spraying device are connected with a control host, an anti-fog-escaping device is arranged on the upper side of the spraying device, and the anti-fog-escaping device is connected with the control host. The invention has the advantages of high dust removal efficiency, low water consumption, small occupied area of equipment, convenient operation, prevention of water mist dissipation, no influence on the sight of operating personnel and guarantee of normal operation and production safety.
Description
Technical Field
The invention relates to a dry fog dust suppression technology, in particular to a dry fog dust suppression device for preventing water fog from dissipating.
Background
The dry fog dust suppression is a commonly used dust removal technology at present, water and high-pressure gas are atomized through a dry fog box assembly or a universal joint assembly and sprayed through a dry fog nozzle to form micron-sized superfine water fog to capture dust, wherein the diameter of water fog particles can reach 1-10 mu m, and for dust generated in industrial production, particularly dust with the diameter of less than 5 mu m, the water fog and the dust particles can be bonded together after colliding and contacting to form agglomerates of the dust and the water fog, the agglomerates are increased along with the increase of the agglomerated agglomerates, and the agglomerates are settled under the action of self gravity to form the dust filtering effect of the water fog, so that the purpose of dust suppression is achieved, and the dust treatment problem in a partially closed or semi-closed state, such as dust removal in loading and unloading areas of a feed hopper, a feeder and the like, is effectively solved. However, when the dry mist is used for dust removal, because the micron-sized ultrafine water mist has small particle size and light weight, part of the water mist escapes from a dust removal operation area and floats in the air, and if the dust removal operation is performed in a closed or semi-closed room such as a workshop, the escaping and floating water mist is more and more gathered and gradually distributed in the room, so that the sight of operators is interfered, the normal operation production is hindered, the operation is inconvenient, and the safe production is influenced.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the dry fog dust suppression device can prevent water fog loss, does not influence the sight of operators, and ensures normal operation and production.
In order to solve the technical problems, the technical scheme of the invention is as follows: the utility model provides a prevent dry fog dust suppression device of water smoke loss, includes dry fog generating device, dry fog generating device includes high-pressure gas generating device and water supply installation, high-pressure gas generating device and water supply installation are connected with atomizer, high-pressure gas generating device, water supply installation and atomizer are connected with the main control system, atomizer's upside is provided with prevents the ease fog device, prevent that the ease fog device connects the main control system.
According to the preferable technical scheme, the anti-fog-escaping device comprises a heat exchanger and an anti-fog-escaping body, the anti-fog-escaping body is cylindrical, a blowing opening and an air suction opening are oppositely formed in the wall of the cylinder, the heat exchanger is provided with a cold air opening and a hot air opening, the air suction opening is connected with the cold air opening of the heat exchanger through an air outlet pipe, the blowing opening is connected with the hot air opening of the heat exchanger through an air inlet pipe, the air inlet pipe is connected with a fan, and the control host is connected with and controls the heat exchanger.
As a preferred technical scheme, a dust filter is arranged on the air outlet pipe.
According to a preferable technical scheme, the anti-escape fog device comprises an anti-escape fog body, wherein a blowing port is arranged on the anti-escape fog body, and the blowing port is connected with a fan through an air inlet pipe.
According to a preferable technical scheme, the spraying device comprises a water-gas distributor, the high-pressure gas generating device and the water supply device are connected with the water-gas distributor, the water-gas distributor is connected with a universal joint assembly, the water-gas distributor and the universal joint assembly are connected with the control host, and the anti-fog-escaping device is arranged on the upper side of the universal joint assembly.
According to a preferable technical scheme, the spraying device comprises a dry fog controller, the high-pressure gas generating device and the water supply device are connected with the dry fog controller, the dry fog controller is connected with a dry fog box assembly, the dry fog controller and the dry fog box assembly are connected with the control host, and the anti-overflow fog device is arranged on the upper side of the dry fog box assembly.
As a preferred technical scheme, the dry fog generating device further comprises a dust concentration detection sensor, and the dust concentration detection sensor is connected with the control host.
Preferably, the high-pressure gas generating device comprises a screw air compressor, the screw air compressor is connected with an air storage tank, the air storage tank is connected with the spraying device, and the screw air compressor is connected with the control host.
Owing to adopted above-mentioned technical scheme's a prevent dry fog dust suppression device of water smoke loss, including dry fog generating device, dry fog generating device includes high-pressure gas generating device and water supply installation, high-pressure gas generating device and water supply installation are connected with atomizer, high-pressure gas generating device, water supply installation and atomizer are connected with the main control system, atomizer's upside is provided with prevents the fog escape device, prevent that the fog escape device connects the main control system. When the dry fog dust suppression device works, the fog escape prevention device arranged on the upper side of the spraying device of the dry fog generation device prevents water fog sprayed by the spraying device from escaping, so that the phenomenon that the escaped and scattered water fog gathers to influence the sight of operators is avoided, and the normal operation and production safety of operation and production are ensured.
Drawings
The drawings are only for purposes of illustrating and explaining the present invention and are not to be construed as limiting the scope of the present invention. Wherein:
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic view of a spraying device and an anti-escape device according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of the dry mist generating device of the present invention;
fig. 4 is a schematic structural diagram of another embodiment of the present invention.
In the figure: 1-anti-fog body; 2-a heat exchanger; 3-an air blowing port; 4-an air suction opening; 5-an air inlet pipe; 6-air outlet pipe; 7-a fan; 8-hot air port; 9-a cold air port; 10-a box body; 11-a feeder; 12-a dust filter; 13-dry fog spray head; 14-crusher feed port; 15-bucket.
Detailed Description
The invention is further illustrated below with reference to the figures and examples. In the following detailed description, certain exemplary embodiments of the present invention are described by way of illustration only. Needless to say, a person skilled in the art realizes that the described embodiments can be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and not intended to limit the scope of the claims.
As shown in fig. 1 and 2, a dry fog dust suppression device for preventing water fog from escaping comprises a dry fog generating device, wherein the dry fog generating device comprises a high-pressure gas generating device and a water supply device, the high-pressure gas generating device and the water supply device are connected with a spraying device, the high-pressure gas generating device, the water supply device and the spraying device are connected with a control host, an anti-escaping fog device is arranged on the upper side of the spraying device, and the anti-escaping fog device is connected with the control host. The anti-escaping fog device can adopt a structure comprising a heat exchanger 2 and an anti-escaping fog body 1, wherein the anti-escaping fog body 1 is in a cylindrical shape, a blowing opening 3 and an air suction opening 4 are oppositely arranged on the wall of the cylinder, the heat exchanger 2 is provided with a cold air opening 9 and a hot air opening 8, the air suction opening 4 is connected with the cold air opening 9 of the heat exchanger 2 through an air outlet pipe 6, the blowing opening 3 is connected with the hot air opening 8 of the heat exchanger 2 through an air inlet pipe 5, the air inlet pipe 5 is connected with a fan 7, and the control host is connected with and controls the heat exchanger 2. The heat exchanger 2 may adopt a structure in which an electric heater is matched with the fan 7, or a structure in which the liquid heat exchanger 2 is matched with the fan 7, which are all common knowledge and are not described in detail herein. The fan 7 works to suck water mist dissipated into the tubular anti-escape mist body 1 through the air suction opening 4, the water mist enters the heat exchanger 2 through the air outlet pipe 6 and the cold air opening 9 to be heated and eliminated, then the air flow is blown into the tubular anti-escape mist body 1 through the hot air opening 8, the fan 7, the air inlet pipe 5 and the air blowing opening 3 at a high speed to form high-speed air flow, the water mist dissipated into the tubular anti-escape mist body 1 is blown to the air suction opening 4, the water mist dissipated into the anti-escape mist body 1 is sucked conveniently through the air suction opening 4, and meanwhile, due to the fact that the particle size of the water mist is extremely small, the hot air flow blown into the tubular anti-escape mist body 1 can be heated to eliminate part of the dissipated water mist. And a dust filter 12 is arranged on the air outlet pipe 6 and used for filtering dust and partial moisture in the air flow. Through the heat exchange of the heat exchanger 2, the energy can be saved, and the moisture of the conveyed or crushed materials can be reduced. The anti-fog escape device can also comprise an anti-fog escape body 1, wherein a blowing port 3 is arranged on the anti-fog escape body 1, the blowing port 3 is connected with a fan 7 through an air inlet pipe 5, the air outlet direction of the blowing port 3 can be inclined downwards, so that a high-pressure airflow layer is formed on the upper side of the spraying device by utilizing high-speed airflow blown out from the blowing port 3, overflowed water fog can be eliminated or blown back to the spraying area of the spraying device by the airflow when meeting the high-pressure airflow layer, an electric heater can be arranged on the air inlet pipe 5, the airflow conveyed by the air inlet pipe 5 can be heated by the electric heater arranged on the air inlet pipe 5, and the high-speed airflow blown out from the blowing port 3 is the high-pressure hot airflow, so that the elimination efficiency of overflowed water fog can be improved.
As shown in fig. 3, the spraying device comprises a water-gas distributor, the high-pressure gas generating device and the water supply device are connected with the water-gas distributor, the water-gas distributor is connected with a universal joint assembly, the water-gas distributor and the universal joint assembly are connected with the control host, and the anti-fog-escaping device is arranged on the upper side of the universal joint assembly and is specifically arranged on the upper side of the dry fog nozzle 13 of the universal joint assembly. The spraying device can also adopt a dry fog controller, the high-pressure gas generating device and the water supply device are connected with the dry fog controller, the dry fog controller is connected with a dry fog box assembly, the dry fog controller and the dry fog box assembly are connected with the control host, and the anti-overflow fog device is arranged on the upper side of the dry fog box assembly and is also specifically arranged on the upper side of a dry fog spray head 13 of the dry fog box assembly. In use, the dry mist spray head 13 of the universal joint assembly or dry mist tank assembly may be mounted within the tank body 10. The water supply device can supply water by adopting a water supply pump controlled by the control host. The high-pressure gas generating device comprises a screw air compressor, the screw air compressor is connected with an air storage tank, the air storage tank is connected with a water-gas distributor or a dry fog controller of the spraying device, and the screw air compressor is connected with the control host. The dry fog generating device further comprises a dust concentration detection sensor, the dust concentration detection sensor is connected with the control host, the dust concentration in the dust area is detected through the dust concentration detection sensor, the screw type air compressor, the water-gas distributor, the universal joint assembly or the dry fog controller, the dry fog box assembly and the like are controlled through the control host, and intelligent control of dust suppression of dry fog is achieved.
The dust removal device can be installed at a feeding port 14 of a crusher, as shown in fig. 1 and fig. 2, which are schematic diagrams of an embodiment of the dust removal device for feeding the crusher feeding port 14 by a feeding machine 11, a dry fog nozzle 13 of a universal joint assembly or a dry fog box assembly is installed through a box body 10, the box body 10 and a cylindrical anti-escape fog body 1 surround the outer side of a discharging port of the feeding machine 11, dust generated in the feeding process is removed through water fog sprayed by the dry fog nozzle 13 of the universal joint assembly or the dry fog box assembly on the box body 10, and the escaped water fog is taken away and removed by high-speed air flow between an air blowing port 3 and an air suction port 4 on the anti-escape fog body 1, so that interference of the escaped water fog in the dry fog dust suppression on the sight of operators is prevented.
As shown in fig. 4, the present invention can also be installed at the bucket 15 of the forklift, the dry fog nozzle 13 of the universal joint assembly or the dry fog tank assembly is arranged at the upper side of the back wall of the bucket 15, and can be directly installed on the back wall of the bucket 15, or can be installed on the dipper arm through a bracket, the dry fog nozzle 13 points to the inside of the bucket 15, the anti-escaping fog body 1 is installed at the upper side of the dry fog nozzle 13, the air blowing port 3 is arranged on the anti-escaping fog body 1, the air inlet pipe 5, the fan 7, the screw air compressor, the water supply device, the water-air distributor and universal joint assembly or the dry fog controller and dry fog tank assembly, etc. can be integrated and then arranged on the forklift, and each pipeline is arranged on the dipper arm. And an electric heater can be arranged on the air inlet pipe 5. Dust generated at the working bucket of the forklift is removed through water mist sprayed by the dry mist spray head 13, and the dissipated water mist is eliminated by high-speed air flow blown out from the air blowing port 3 on the anti-dissipation mist body 1 or blown back to the spraying area of the dry mist spray head 13, so that interference of the dissipated water mist in dry mist dust suppression operation on the sight of operators is prevented.
The screw air compressor provides a standard air source, and can realize the conversion between manual and automatic operation states of the air compressor by controlling the full-automatic operation of the host and the parameter query of the operation state. The connection of water, gas and electricity with the universal joint assembly or the dry fog box assembly is realized by controlling the water-gas distributor or the dry fog controller, and the respective spraying of each universal joint assembly or the dry fog box assembly is realized by the control host according to the situation of an operation site; the universal joint assembly or the dry fog box assembly converts received air and water into water fog with the particle diameter of 1-10 mu m, and the water fog is sprayed to a dust suppression point, when the water fog and dust particles are contacted and collided with each other, the dust particles are mutually bonded, condensed and enlarged, and are settled under the action of self gravity, so that the effect of suppressing dust is achieved. The control host can adopt a PLC control system, integrates components such as a programmable controller, a protection circuit, a relay and the like, and connects the spraying device with the field operation equipment to realize remote automatic control. The control host can provide automatic and manual operation modes. In the automatic operation mode, the remote trigger signal can be automatically received to control the spraying device to start or stop spraying. In the manual mode, an operator can control an operating button to start or stop the spraying device; the spray cycle and the line purge time, etc. can also be modified by the control system.
The invention can be used in dust raising occasions independently, and can be widely applied to industries with strict dust requirements, such as various coal yards, cement, thermal power generation, mining industry, ports, steel, chemical industry, textile industry and the like, such as a car dumper room, a screening tower, a switching tower, a crusher workshop, a loading building, a ship loading and unloading machine, a textile workshop and the like. The invention realizes the prevention and control of dust in a semi-closed environment, has high dust removal efficiency, controls the dust at the source of the dust, namely a dust-rising point, aims at the absorbable dust with the particle size of less than 10 mu m, has the treatment efficiency of more than 96 percent, small water consumption, no secondary pollution, small occupied area of equipment, convenient operation, full-automatic control, high automation degree and long service life, greatly reduces the operation and maintenance cost of dust removal equipment, reduces the dust explosion probability, reduces the investment of fire-fighting equipment, and ensures that the temperature of a workshop is basically unchanged when the dust removal equipment is used in winter; particularly, the water mist is prevented from escaping, the phenomenon that the escaped and floated water mist is gathered to influence the sight of operating personnel is avoided, and the normal operation and production safety of operation and production are ensured.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The utility model provides a prevent dry fog dust suppression device of water smoke loss, includes dry fog generating device, its characterized in that: the dry fog generating device comprises a high-pressure gas generating device and a water supply device, the high-pressure gas generating device and the water supply device are connected with a spraying device, the high-pressure gas generating device, the water supply device and the spraying device are connected with a control host, an anti-fog-escaping device is arranged on the upper side of the spraying device, and the anti-fog-escaping device is connected with the control host.
2. A dry mist dust suppression device for preventing water mist from escaping as recited in claim 1, wherein: the anti-escaping fog device comprises a heat exchanger and an anti-escaping fog body, the anti-escaping fog body is cylindrical, a blowing opening and an air suction opening are oppositely arranged on the wall of the cylinder, the heat exchanger is provided with a cold air opening and a hot air opening, the air suction opening is connected with the cold air opening of the heat exchanger through an air outlet pipe, the blowing opening is connected with the hot air opening of the heat exchanger through an air inlet pipe, the air inlet pipe is connected with a fan, and the control host is connected with and controls the heat exchanger and the fan.
3. A dry mist dust suppression device for preventing water mist from escaping as recited in claim 2, wherein: and a dust filter is arranged on the air outlet pipe.
4. A dry mist dust suppression device for preventing water mist from escaping as recited in claim 1, wherein: the anti-escape fog device comprises an anti-escape fog body, wherein a blowing port is arranged on the anti-escape fog body, and the blowing port is connected with a fan through an air inlet pipe.
5. A dry mist dust suppression device for preventing water mist from escaping as recited in claim 1, wherein: the spraying device comprises a water-gas distributor, the high-pressure gas generating device and the water supply device are connected with the water-gas distributor, the water-gas distributor is connected with a universal joint assembly, the water-gas distributor and the universal joint assembly are connected with the control host, and the anti-fog-escaping device is arranged on the upper side of the universal joint assembly.
6. A dry mist dust suppression device for preventing water mist from escaping as recited in claim 1, wherein: the spraying device comprises a dry fog controller, the high-pressure gas generating device and the water supply device are connected with the dry fog controller, the dry fog controller is connected with a dry fog box assembly, the dry fog controller and the dry fog box assembly are connected with the control host, and the anti-overflow fog device is arranged on the upper side of the dry fog box assembly.
7. A dry mist dust suppression device for preventing water mist from escaping as recited in claim 1, wherein: the dry fog generating device further comprises a dust concentration detection sensor, and the dust concentration detection sensor is connected with the control host.
8. A dry mist dust suppression device for preventing water mist from escaping as claimed in any one of claims 1 to 7, wherein: the high-pressure gas generating device comprises a screw air compressor, the screw air compressor is connected with an air storage tank, the air storage tank is connected with the spraying device, and the screw air compressor is connected with the control host.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110918333.2A CN113457329A (en) | 2021-08-11 | 2021-08-11 | Dry fog dust suppression device for preventing water fog dissipation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110918333.2A CN113457329A (en) | 2021-08-11 | 2021-08-11 | Dry fog dust suppression device for preventing water fog dissipation |
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| Publication Number | Publication Date |
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| CN113457329A true CN113457329A (en) | 2021-10-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110918333.2A Pending CN113457329A (en) | 2021-08-11 | 2021-08-11 | Dry fog dust suppression device for preventing water fog dissipation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114850032A (en) * | 2022-05-07 | 2022-08-05 | 金易通（天津）智能装备有限公司 | Fog dry separation method and system |
-
2021
- 2021-08-11 CN CN202110918333.2A patent/CN113457329A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114850032A (en) * | 2022-05-07 | 2022-08-05 | 金易通（天津）智能装备有限公司 | Fog dry separation method and system |
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