CN110343508B - Dry fog dust suppressant and dust suppression method and system - Google Patents
Dry fog dust suppressant and dust suppression method and system Download PDFInfo
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- CN110343508B CN110343508B CN201910530622.8A CN201910530622A CN110343508B CN 110343508 B CN110343508 B CN 110343508B CN 201910530622 A CN201910530622 A CN 201910530622A CN 110343508 B CN110343508 B CN 110343508B
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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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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K3/00—Materials not provided for elsewhere
- C09K3/22—Materials not provided for elsewhere for dust-laying or dust-absorbing
Abstract
The invention provides a dry fog dust suppressant and a dust suppression method and system, wherein the dust suppressant comprises the following components in parts by weight: anionic surfactant: 1-3 parts of corrosion inhibitor: 0.5-2 parts of water: 1000 parts of (A); the anionic surfactant comprises at least one of the following: sodium dodecyl benzene sulfonate, sodium dodecyl sulfate, cetyltrimethylammonium chloride; the corrosion inhibitor is molybdate.
Description
Technical Field
The invention belongs to the field of waste gas treatment, and particularly relates to a dry fog dust suppressant and a dust suppression method and system thereof.
Background
The dry fog dust suppression is to capture dust through mist-like water mist, combine the water mist with dust particles in the air to form agglomerates of the dust and the water mist, and settle the agglomerates under the action of gravity, so as to realize the dust suppression at the source. However, when the dry fog dust suppression technology is applied to coal/coke dust treatment, the problem of unsatisfactory treatment effect exists, which is mainly shown in the following steps: poor hydrophilicity with coal/coke dust; the water spraying amount and the material amount can not be measured, so that the material has larger or smaller wettability.
Disclosure of Invention
In view of the above, the present invention has been made to provide a dry mist dust suppressant, and a dust suppressing method and system thereof, which overcome or at least partially solve the above problems.
The embodiment of the invention provides a dry fog dust suppressant which comprises the following components in parts by weight:
anionic surfactant: 1-3 parts of
Corrosion inhibitor: 0.5 to 2 portions of
Water: 1000 parts of (A);
the anionic surfactant comprises at least one of the following: sodium dodecyl benzene sulfonate, sodium dodecyl sulfate, cetyltrimethylammonium chloride; the corrosion inhibitor is molybdate.
Based on the same inventive concept, the embodiment of the invention also provides a dry fog dust suppression method, which comprises the following steps:
preparing a dust suppressant according to the dust suppressant components;
collecting environmental data, and obtaining the adding amount of the dust suppressant according to the environmental data; the environmental data comprises material weight, material water content and air water content;
and performing dry fog dust suppression operation according to the adding amount of the dust suppressant.
Further, the calculation formula of the dust suppressant adding amount is as follows:
the addition amount of the dust suppressant = material weight x (1-material water content-air water content) x dust suppressant addition rate
In the formula, the unit of the water content of the material, the water content of the air and the addition rate of the dust suppressant is all, and the addition rate of the dust suppressant is 0.1-0.6%.
Based on the same inventive concept, the embodiment of the present invention further provides a dust suppression system, including:
the dispensing device is used for preparing the dust suppressant according to the dust suppressant components;
the collecting device is used for collecting environmental data, and the environmental data comprises material weight, material water content and air water content;
the computing device is used for computing and obtaining the adding amount of the dust suppressant according to the environment data;
and the operating device is used for performing dry fog dust suppression operation according to the adding amount of the dust suppressant.
Furthermore, the dispensing device comprises a dosing box, a water tank, a first shutoff valve and a first flow valve, wherein the dosing box is positioned above the water tank and is connected with the water tank through a first pipeline, and the first shutoff valve and the first flow valve are arranged on the first pipeline.
Further, operating means pass through the second pipeline with dispensing device is connected, operating means includes air compression jar, sprinkler, presses down dirt case, dust cover, second shut-off valve and second flow valve, the air compression jar with sprinkler is connected through the third pipeline, sprinkler set up in press down dirt incasement wall, dust cover one end is fixed press down dirt bottom of the case portion, and the other end is scalable setting, the second shut-off valve with the second flow valve set up in on the second pipeline.
Furthermore, the spraying device is composed of a plurality of layers of nozzles, wherein the interlayer spacing of the plurality of layers of nozzles is 40-80cm, and the number of layers is more than or equal to 5.
Furthermore, in the multilayer nozzle, a single-layer nozzle is composed of a plurality of nozzles, and the distance between adjacent nozzles in the single-layer nozzle is 20-40 cm.
Further, the aperture of the nozzle is 1-5 um.
Furthermore, a discharge opening is formed in the dust suppression box and located between two adjacent layers of nozzles at the bottom of the dust suppression box.
One or more technical solutions in the embodiments of the present invention have at least the following technical effects or advantages:
according to the dry fog dust suppressant provided by the embodiment of the invention, the anionic surfactant and the corrosion inhibitor are added, so that the surface tension of water is reduced, and the wetting capacity of water on materials is improved, thereby improving the hydrophilic performance of coal tar dust;
according to the dry fog dust suppression method provided by the embodiment of the invention, the adding amount of the dust suppression agent is determined, and the dust suppression agent with reasonable quality is added, so that the wetting capacity of coal tar dust is improved, the sedimentation of dust is strengthened, and the dust removal effect in air is improved;
the dust removal system provided by the embodiment of the invention can accurately control the adding amount of the inhibitor according to the weight of the on-site material, the water content of the material and the water content of air, is scientific and time-saving, and avoids unnecessary troubles caused by human factors.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
FIG. 1 is a schematic view of a dust suppression system in an embodiment of the invention;
in the figure, 1, a dosing box, 11, a first shut-off valve, 12, a first flow valve, 2, a second shut-off valve, 3, a second flow valve, 4, a water tank, 41, a stirrer, 5, an air compression tank, 6, a spraying device, 61, a dust suppression box, 7, a discharge belt, 8, a dust suppression cover, 9, a train box, 10 and a discharge opening.
Detailed Description
The present invention will be specifically explained below in conjunction with specific embodiments and examples, and the advantages and various effects of the present invention will be more clearly presented thereby. It will be understood by those skilled in the art that these specific embodiments and examples are for the purpose of illustrating the invention and are not to be construed as limiting the invention.
Throughout the specification, unless otherwise specifically noted, terms used herein should be understood as having meanings as commonly used in the art. Accordingly, unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. If there is a conflict, the present specification will control.
Unless otherwise specifically stated, various raw materials, reagents, instruments, equipment and the like used in the present invention are commercially available or can be prepared by existing methods.
In order to solve the technical problems, the general idea of the embodiment of the application is as follows:
the application provides a dry fog dust suppressant, which comprises the following components in parts by weight:
anionic surfactant: 1-3 parts of
Corrosion inhibitor: 0.5 to 2 portions of
Water: 1000 parts of (a);
the anionic surfactant comprises at least one of the following: sodium dodecyl benzene sulfonate, sodium dodecyl sulfate, hexadecyl trimethyl ammonium chloride; the corrosion inhibitor is molybdate.
Based on the same inventive concept, the application also provides a dry fog dust suppression method, which comprises the following steps:
preparing a dust suppressant according to the dust suppressant components;
collecting environmental data, and obtaining the adding amount of the dust suppressant according to the environmental data; the environmental data comprises material weight, material water content and air water content;
and performing dry fog dust suppression operation according to the adding amount of the dust suppressant.
In the present application, the formula for calculating the amount of the dust suppressant is as follows:
the addition amount of the dust suppressant = material weight x (1-material water content-air water content) x dust suppressant addition rate
In the formula, the unit of the water content of the material, the water content of the air and the addition rate of the dust suppressant is all, and the addition rate of the dust suppressant is 0.1-0.6%.
Based on the same inventive concept, the embodiment of the present invention further provides a dust suppression system, including:
the dispensing device is used for preparing the dust suppressant according to the dust suppressant components;
the collecting device is used for collecting environmental data, and the environmental data comprises material weight, material water content and air water content;
the computing device is used for computing and obtaining the adding amount of the dust suppressant according to the environment data;
and the operating device is used for performing dry fog dust suppression operation according to the adding amount of the dust suppressant.
In this application, dispensing device includes dosing tank, water tank, first shutoff valve and first flow valve, the dosing tank is located the water tank top is connected through first pipeline, first shutoff valve with first flow valve set up in on the first pipeline.
In this application, operating means pass through the second pipeline with dispensing device is connected, operating means includes air compression jar, sprinkler, presses down dirt case, dust cover, second shut-off valve and second flow valve, the air compression jar with sprinkler is connected through the third pipeline, sprinkler set up in press down dirt incasement wall, dust cover one end is fixed press down dirt bottom of the case portion, and the other end is scalable setting, the second shut-off valve with the second flow valve set up in on the second pipeline.
In the application, the spraying device is composed of multiple layers of nozzles, wherein the interlayer spacing of the multiple layers of nozzles is 40-80cm, and the number of layers is more than or equal to 5.
In the multi-layer nozzle, a single-layer nozzle is composed of a plurality of nozzles, and the distance between adjacent nozzles in the single-layer nozzle is 20-40 cm.
In this application, the nozzle aperture is 1-5 um.
In this application, be provided with the discharge opening on the dirt case of pressing down, the discharge opening is located press down between the adjacent two-layer nozzle of dirt bottom of the case portion.
In the dust suppression system that this application provided, through sprinkler, strengthen the liquid-gas mass transfer of dust suppressant and dust, improve the entrapment ability of dust. Dust generated by the height difference between the blanking point and the receiving hopper during blanking is collected through the dust cover, so that dust suppression is reduced, and the dust suppression effect is enhanced.
The present application will be described in detail with reference to specific examples.
Starting the stirrer 11, filling a certain amount of water into the water tank 4, controlling the dosage by closing the valve 2 and the flowmeter 3 according to the method of the technical scheme 1, adding the medicament into the water tank 4 from the medicament tank 1, stirring for 30min, and preparing the prepared dust suppressant for later use.
Example 1
When the belt material flow is 20t/h, the material water content is 5 percent, the air water content is 2 percent, the dry material flow is calculated to be 18.6 t/h, the adding amount of the dust suppressant is calculated to be 0.2 percent, and the flow of the dust suppressant is controlled to be 0.0372 t/h.
When the receiving train box reaches the lower part of the discharge opening, the second shut-off valve 2 and the second flow valve 3 are opened to control the feeding of the dust suppressant, and the air compression tank 5 and the spraying device 6 are opened to spray to form a fog wall. Descending the dust suppression cover 8 to close the dust suppression cover and the train material receiving box 9, opening the discharge opening 10 and the transfer belt 7 to discharge material flow to the train material receiving box 9 along the discharge opening, and when the train box is full of materialAnd stopping the belt from running, and keeping the dust suppressant to be continuously sprayed for 2min and then closing. The concentration of the particulate matters in the operation site is measured, and the result is 8 mg/m3And no dust escapes on site.
Example 2
When the material flow is 30t/h, the water content of the material is 2 percent, the water content of air is 1 percent, the dry material flow is calculated to be 29.1 t/h, the adding amount of the dust suppressant is calculated to be 0.3 percent, and the flow of the dust suppressant is controlled to be 0.0873 t/h.
When the receiving train box reaches the lower part of the discharge opening, the second shut-off valve 2 and the second flow valve 3 are opened to control the feeding of the dust suppressant, and the air compression tank 5 and the spraying device 6 are opened to spray to form a fog wall. Descending the dust suppression cover 8 to close the dust suppression cover and the train material receiving box 9, opening the discharge opening 10, opening the transfer belt 7 to enable the material flow to discharge to the train material receiving box 9 along the discharge opening, stopping the belt from running when the train box is full of materials, and keeping the dust suppression agent to be closed after continuously spraying for 2 min. The concentration of the particulate matters in the operation site is measured, and the result is 6 mg/m3And no dust escapes on site.
Example 3
When the material flow is 40t/h, the water content of the material is 1 percent, the water content of the air is 3 percent, the dry material flow is calculated to be 38.4t/h, the adding amount of the dust suppressant is calculated to be 0.2 percent, and the flow of the dust suppressant is controlled to be 0.0768 t/h.
When the receiving train box reaches the lower part of the discharge opening, the second shut-off valve 2 and the second flow valve 3 are opened to control the feeding of the dust suppressant, and the air compression tank 5 and the spraying device 6 are opened to spray to form a fog wall. Descending the dust suppression cover 8 to close the dust suppression cover and the train material receiving box 9, opening the discharge opening 10, opening the transfer belt 7 to discharge the material flow to the train material receiving box 9 along the discharge opening, stopping the belt from running when the train box is full of materials, and keeping the dust suppression agent to be continuously sprayed for 5min and then closing the dust suppression agent. The concentration of the particulate matters in the operation site is measured, and the result is 4mg/m3And no dust escapes on site.
Example 4
When the material flow is 25t/h, the water content of the material is 1.4 percent, the water content of the air is 1 percent, the dry material flow is calculated to be 24.4t/h, the adding amount of the dust suppressant is calculated to be 0.3 percent, and the flow of the dust suppressant is controlled to be 0.0732 t/h.
When the receiving train box reaches the lower part of the discharge opening, the second shut-off valve 2 and the second flow valve 3 are opened to control the feeding of the dust suppressant, and the air compression tank 5 and the spraying device 6 are opened to spray to form a fog wall. Descending the dust suppression cover 8 to close the dust suppression cover and the train material receiving box 9, opening the discharge opening 10, opening the transfer belt 7 to discharge the material flow to the train material receiving box 9 along the discharge opening, stopping the belt from running when the train box is full of materials, and keeping the dust suppression agent to be closed after continuously spraying for 4 min. The concentration of the particulate matters in the operation site is measured, and the result is 5 mg/m3And no dust escapes on site.
Compared with the prior art, the method has the following characteristics:
1. the dust suppressant provided by the application solves the problem of poor hydrophilicity of coal tar dust, greatly improves the dry fog dust suppression effect, and has no toxicity, no corrosion and no adverse effect on human bodies and equipment;
2. the dust suppression dosage is accurately controlled, the moisture content data of the material is stable, and the influence on the material performance is small;
3. the nozzle is reasonably arranged, and the dust escape control effect is good;
4. the dust cover is arranged at the discharge opening, and dissipated dust generated during discharging can be completely controlled in the train box, so that the field environment is greatly improved;
5. in this application, dust cover one end is fixed restrain dirt bottom of the case portion, the other end is scalable setting, can solve current hopper down from the material face apart from the problem of the height up-down regulation of material heap or can not be followed.
Finally, it should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the invention.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (4)
1. A method of dry mist dust suppression using a dust suppression system, the dust suppression system comprising:
the device comprises a dispensing device, a collecting device, a calculating device and an operating device;
the method comprises the following steps:
preparing a dust suppressant by using a dispensing device, wherein the dust suppressant comprises the following components: anionic surfactant: 1-3 parts; corrosion inhibitor: 0.5-2 parts; water: 1000 parts of (A); the anionic surfactant comprises at least one of the following: sodium dodecylbenzene sulfonate, sodium dodecylsulfate; the corrosion inhibitor is molybdate;
acquiring environmental data by using an acquisition device, and acquiring the adding amount of the dust suppressant by using a computing device according to the environmental data; the environmental data comprises material weight, material water content and air water content; the formula for calculating the adding amount of the dust suppressant is as follows:
the adding amount of the dust suppressant = material weight x (1-material water content-air water content) x adding rate of the dust suppressant;
in the formula, the unit of the water content of the material, the water content of the air and the addition rate of the dust suppressant is all, and the addition rate of the dust suppressant is 0.1-0.6%;
the operation device is used for carrying out dry fog dust suppression operation according to the adding amount of the dust suppressant, the operation device is connected with the dispensing device through a second pipeline, the operation device comprises an air compression tank, a spraying device, a dust suppression box, a dust cover, a second shut-off valve and a second flow valve, the air compression tank is connected with the spraying device through a third pipeline, the spraying device is arranged on the inner wall of the dust suppression box, one end of the dust cover is fixed at the bottom of the dust suppression box, the other end of the dust cover is in telescopic arrangement, the second shut-off valve and the second flow valve are arranged on the second pipeline, the spraying device is composed of multiple layers of nozzles, the distance between the multiple layers of nozzles is 40-80cm, the number of layers is not less than 5, the single layer of nozzles are composed of multiple nozzles, and the distance between adjacent nozzles in the single layer of nozzles is 20-40 cm.
2. The dry mist dust suppression method according to claim 1, wherein the dispensing device comprises a dosing tank, a water tank, a first shut-off valve, and a first flow valve, the dosing tank being located above the water tank and connected by a first conduit, the first shut-off valve and the first flow valve being disposed on the first conduit.
3. The method of dry mist dust suppression as claimed in claim 1, wherein said nozzle aperture is 1-5 μm.
4. The dry mist dust suppression method of claim 1, wherein said dust suppression bin is provided with a discharge opening located between adjacent tiers of nozzles at a bottom of said dust suppression bin.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910530622.8A CN110343508B (en) | 2019-06-18 | 2019-06-18 | Dry fog dust suppressant and dust suppression method and system |
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| CN201910530622.8A CN110343508B (en) | 2019-06-18 | 2019-06-18 | Dry fog dust suppressant and dust suppression method and system |
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| CN110343508B true CN110343508B (en) | 2022-06-03 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101003721A (en) * | 2006-12-21 | 2007-07-25 | 天津化工研究设计院 | Humidification type dustlaying agent, preparation method, and application |
| CN101735771A (en) * | 2009-12-01 | 2010-06-16 | 北京精诚博桑科技有限公司 | Dust fall agent for water mist dust fall |
| CN103230916A (en) * | 2013-03-22 | 2013-08-07 | 官军 | Wetting foam dust-suppression method |
| CN103450855A (en) * | 2013-09-27 | 2013-12-18 | 太原市荣元科技有限公司 | Environment-friendly dust fall agent for coal mine |
| CN104017543A (en) * | 2014-05-23 | 2014-09-03 | 上海轶臣自动化科技有限公司 | Power plant coal conveying system environment-friendly type composite dust depositing agent |
| CN107519715A (en) * | 2017-10-18 | 2017-12-29 | 湘潭大学 | A kind of thermal power plant treating flour dust system and method |
-
2019
- 2019-06-18 CN CN201910530622.8A patent/CN110343508B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101003721A (en) * | 2006-12-21 | 2007-07-25 | 天津化工研究设计院 | Humidification type dustlaying agent, preparation method, and application |
| CN101735771A (en) * | 2009-12-01 | 2010-06-16 | 北京精诚博桑科技有限公司 | Dust fall agent for water mist dust fall |
| CN103230916A (en) * | 2013-03-22 | 2013-08-07 | 官军 | Wetting foam dust-suppression method |
| CN103450855A (en) * | 2013-09-27 | 2013-12-18 | 太原市荣元科技有限公司 | Environment-friendly dust fall agent for coal mine |
| CN104017543A (en) * | 2014-05-23 | 2014-09-03 | 上海轶臣自动化科技有限公司 | Power plant coal conveying system environment-friendly type composite dust depositing agent |
| CN107519715A (en) * | 2017-10-18 | 2017-12-29 | 湘潭大学 | A kind of thermal power plant treating flour dust system and method |
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