CN210171081U - High-efficient thick scrubbing tower that removes dust - Google Patents
High-efficient thick scrubbing tower that removes dust Download PDFInfo
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- CN210171081U CN210171081U CN201920123496.XU CN201920123496U CN210171081U CN 210171081 U CN210171081 U CN 210171081U CN 201920123496 U CN201920123496 U CN 201920123496U CN 210171081 U CN210171081 U CN 210171081U
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- tower
- upper portion
- dust removal
- flue gas
- coarse dust
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Abstract
The utility model relates to a dust removal technical field specifically is a high-efficient thick dust removal scrubbing tower, including upper portion tower and lower part tower, the top of upper portion tower is provided with the air inlet, and the inside upside of upper portion tower is provided with and is used for carrying out the atomizing device that purifies to the flue gas, the side of upper portion tower lower part and the side intercommunication on lower part tower upper portion. The utility model discloses a setting up upper portion tower and lower part tower structure the same, the plane that upper portion tower was located is higher than the plane that lower part tower was located, and the side of upper portion tower lower part and the side intercommunication on lower part tower upper portion set up atomizing device in the inside of upper portion tower and lower part tower simultaneously, through striking each other and polymerization between the aqueous vapor, purify the flue gas many times, improve flue gas purification efficiency, dust collection efficiency can reach 98%.
Description
Technical Field
The utility model relates to a dust removal technical field specifically is a high-efficient thick scrubbing tower that removes dust.
Background
According to the regulation of GB 28664-2012 national standard 'emission standard of atmospheric pollutants for steelmaking industry', the limit value of emission of flue gas particles of the furnace is 50mg/m during startup of the converter once in 1 month and 1 day of 2015, and at present, many dust removing equipment of enterprises still fail to reach the national standard; in 2018, the ministry of environmental protection reissues issues' ultra-low emission transformation working schemes (survey and comments) of iron and steel enterprises, emission standards are bound to be tightened again, emission standards of local provinces are set to 30mg/m for plantation, and the emission standards are tighter when the provinces are planted at the first level of city and county. Therefore, the dust removal efficiency of the coarse dust removal equipment in the primary dust removal system of the converter needs to be improved to match with the post-fine dust removal process, so that the final flue gas emission is lower than 20mg/m in high speed dry distillation. The dust removal efficiency of the conventional wet-process coarse dust removal equipment is 85% -95%, and in order to reach the emission standard, the dust removal efficiency of the coarse dust removal equipment needs to reach more than 98%.
Therefore, in view of the above situation, there is an urgent need to develop an efficient rough dust removal washing tower to overcome the shortcomings in the current practical application.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a high-efficient thick dust removal scrubbing tower to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a high-efficient thick dust removal scrubbing tower, includes upper portion tower and lower part tower, the top of upper portion tower is provided with the air inlet, and the inside upside of upper portion tower is provided with and is used for carrying out the atomizing device that purifies to the flue gas, and the side of upper portion tower lower part and the side intercommunication on lower part tower upper portion.
As a further aspect of the present invention: the upper tower and the lower tower have the same structure, and the plane of the upper tower is higher than the plane of the lower tower.
As a further aspect of the present invention: the bottom of the upper tower is also provided with an upper dehydration section.
As a further aspect of the present invention: and the upper side in the lower tower is also provided with an atomizing device for purifying the flue gas.
As a further aspect of the present invention: the bottom of the lower tower is provided with a lower dehydration section for discharging dust-containing liquid, and the side surface of the bottom of the lower tower is also provided with a right-angle turning air outlet.
As a further aspect of the present invention: the atomization device is an atomization spiral nozzle.
The high-efficiency coarse dust removal washing device comprises the high-efficiency coarse dust removal washing tower.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model divides the washing tower into an upper tower and a lower tower, the upper tower mainly carries out cooling, coarse dust removal and dehydration, the lower tower carries out deep coarse dust removal on the basis of removing most of water and dehydrates again, thereby greatly improving the dust removal effect of the flue gas, and the dust removal efficiency needs to reach more than 98%;
2. the utility model eliminates the original gas spray gun in the washing tower and uses the atomizing spiral spray head to replace, thereby not only stabilizing the water drop atomizing effect, but also simplifying the equipment structure and maintenance operation and saving part of gas consumption;
3. the utility model discloses compare continuous two towers and arrange, one comes the overall arrangement simpler and easy, and two come the lower part tower can realize that the secondary of dust removal water smoke subsides, and dehydration dust removal effect is better.
Drawings
FIG. 1 is a schematic structural diagram of a high-efficiency coarse dust-removal washing tower.
FIG. 2 is a top view of the upper and lower columns of the high efficiency coarse dust scrubber.
In the figure: 1-atomizing device, 2-upper tower, 3-upper dehydration section, 4-lower tower, 5-lower dehydration section and 6-air outlet.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.
In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
Example 1
Referring to fig. 1-2, in an embodiment of the present invention, a high-efficiency coarse dust-removing washing tower includes an upper tower 2 and a lower tower 4; the upper tower 2 and the lower tower 4 have the same structure, the plane of the upper tower 2 is higher than the plane of the lower tower 4, the side surface of the lower part of the upper tower 2 is communicated with the side surface of the upper part of the lower tower 4, and the upper tower 2 is used for cooling, roughly dedusting and dehydrating flue gas; the top of the upper tower 2 is provided with an air inlet so as to facilitate the introduction of flue gas, the upper side inside the upper tower 2 is provided with an atomizing device 1 for purifying the flue gas, after the flue gas is introduced into the upper tower 2 from the air inlet, under the action of water vapor in the atomizing device 1, dust in the flue gas and the water vapor collide with each other and polymerize with each other, dust-containing water drops change from small to large and fall down from the upper part along with the action of air flow and gravity, so that the primary purification is completed;
the bottom of the upper tower 2 is also provided with an upper dehydration section 3 so as to discharge dust-containing liquid;
the upper side in the lower tower 4 is also provided with an atomizing device 1 for purifying the flue gas, after the flue gas enters the lower tower 4, because partial water drops are removed in advance by the upper tower 2, atomized water particles continuously sprayed by the lower tower 4 cannot be rapidly polymerized into large water drops, and fine atomized water particles are beneficial to continuously capturing residual fine dust, so that the capturing rate of the fine dust particles is improved;
specifically, in this embodiment, atomizing device 1 is atomizing spiral nozzle, and atomizing spiral nozzle not only stabilizes water droplet atomization effect, can also simplify equipment structure and maintenance operation, practices thrift partial gas consumption.
The bottom of the lower tower 4 is provided with a lower dehydration section 5 for discharging dust-containing liquid, the side surface of the bottom of the lower tower 4 is also provided with a right-angle turning air outlet 6, and the air outlet 6 has a certain length, so that the sufficient time for liquid drop polymerization and gas-liquid separation is ensured.
Example 2
An efficient rough dust removal washing device comprises the efficient rough dust removal washing tower in the embodiment 1.
The utility model discloses a setting up upper portion tower and lower part tower structure the same, the plane that upper portion tower was located is higher than the plane that lower part tower was located, and the side of upper portion tower lower part and the side intercommunication on lower part tower upper portion set up atomizing device in the inside of upper portion tower and lower part tower simultaneously, through striking each other and polymerization between the aqueous vapor, purify the flue gas many times, improve flue gas purification efficiency, dust collection efficiency can reach 98%.
The above is only the preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, without departing from the concept of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent.
Claims (6)
1. The utility model provides a high-efficient thick dust removal scrubbing tower, includes upper portion tower (2) and lower part tower (4), its characterized in that, the top of upper portion tower (2) is provided with the air inlet, and the inside upside of upper portion tower (2) is provided with atomizing device (1) that is used for purifying the flue gas, and the side of upper portion tower (2) lower part communicates with the side on lower part tower (4) upper portion.
2. The high-efficiency coarse dust-removal washing tower according to claim 1, wherein the upper tower (2) and the lower tower (4) are identical in structure, and the upper tower (2) is located on a higher plane than the lower tower (4).
3. The high efficiency coarse dust removal scrubber tower according to claim 2, wherein the bottom of the upper tower (2) is further provided with an upper dewatering section (3).
4. A high-efficiency coarse dust-removal washing tower according to claim 3, characterized in that the upper side inside the lower tower (4) is also provided with an atomizing device (1) for purifying flue gas.
5. The high-efficiency coarse dust removal washing tower according to claim 4, characterized in that the bottom of the lower tower (4) is provided with a lower dewatering section (5) for discharging dust-containing liquid, and the side surface of the bottom of the lower tower (4) is also provided with a right-angle turning air outlet (6).
6. The high-efficiency coarse dust removal washing tower according to claim 5, wherein the atomization device (1) is an atomization spiral nozzle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920123496.XU CN210171081U (en) | 2019-01-24 | 2019-01-24 | High-efficient thick scrubbing tower that removes dust |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920123496.XU CN210171081U (en) | 2019-01-24 | 2019-01-24 | High-efficient thick scrubbing tower that removes dust |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210171081U true CN210171081U (en) | 2020-03-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920123496.XU Active CN210171081U (en) | 2019-01-24 | 2019-01-24 | High-efficient thick scrubbing tower that removes dust |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210171081U (en) |
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2019
- 2019-01-24 CN CN201920123496.XU patent/CN210171081U/en active Active
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