CN220159646U - Magnesium-added limestone desulfurizing device - Google Patents
Magnesium-added limestone desulfurizing device Download PDFInfo
- Publication number
- CN220159646U CN220159646U CN202321066878.6U CN202321066878U CN220159646U CN 220159646 U CN220159646 U CN 220159646U CN 202321066878 U CN202321066878 U CN 202321066878U CN 220159646 U CN220159646 U CN 220159646U
- Authority
- CN
- China
- Prior art keywords
- gas
- liquid separation
- spray pipe
- separation surface
- spray
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 235000019738 Limestone Nutrition 0.000 title claims abstract description 25
- 239000006028 limestone Substances 0.000 title claims abstract description 25
- 230000003009 desulfurizing effect Effects 0.000 title description 14
- 239000007788 liquid Substances 0.000 claims abstract description 112
- 238000000926 separation method Methods 0.000 claims abstract description 84
- 239000007921 spray Substances 0.000 claims abstract description 84
- 238000006477 desulfuration reaction Methods 0.000 claims abstract description 44
- 230000023556 desulfurization Effects 0.000 claims abstract description 44
- 239000003814 drug Substances 0.000 claims abstract description 23
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims abstract description 17
- 229910052749 magnesium Inorganic materials 0.000 claims abstract description 17
- 239000011777 magnesium Substances 0.000 claims abstract description 17
- 238000005507 spraying Methods 0.000 claims abstract description 14
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 4
- 239000000395 magnesium oxide Substances 0.000 claims description 3
- 239000002912 waste gas Substances 0.000 abstract description 33
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 abstract description 9
- 239000000920 calcium hydroxide Substances 0.000 abstract description 9
- 229910001861 calcium hydroxide Inorganic materials 0.000 abstract description 9
- 235000011116 calcium hydroxide Nutrition 0.000 abstract description 9
- 239000002245 particle Substances 0.000 abstract description 6
- 235000008733 Citrus aurantifolia Nutrition 0.000 abstract description 4
- 235000011941 Tilia x europaea Nutrition 0.000 abstract description 4
- 239000004571 lime Substances 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 6
- 239000007789 gas Substances 0.000 description 6
- 239000008187 granular material Substances 0.000 description 3
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Abstract
The utility model provides a magnesium limestone desulfurization device which comprises a tower body, a spray pipe and a gas-liquid separation structure, wherein an air inlet channel, an air outlet channel and a containing cavity are arranged on the tower body, the containing cavity is used for communicating the air inlet channel with the air outlet channel, the spray pipe is connected in the containing cavity, a spray opening used for spraying desulfurization liquid medicine into the containing cavity is formed in the spray pipe, the gas-liquid separation structure is fixedly connected in the containing cavity, a gas-liquid separation surface at least partially facing the spray pipe is formed on the gas-liquid separation structure, waste gas flows to the gas-liquid separation surface after being mixed with the desulfurization liquid medicine, and is subjected to speed reduction by the gas-liquid separation surface, and meanwhile, the gas-liquid separation surface is also used for separating the desulfurization liquid medicine doped with slaked lime particles in the waste gas from the waste gas so as to prevent the phenomenon of lime rain.
Description
Technical Field
The utility model belongs to the technical field of waste gas treatment devices, and particularly relates to a magnesium limestone desulfurization device.
Background
The exhaust gas is required to be subjected to desulfurization treatment before being discharged to prevent sulfide in the exhaust gas from polluting the atmosphere. When the existing desulfurization device is used for desulfurizing waste gas, a gas-liquid separation device is adopted to carry out gas-liquid separation on the desulfurized gas-liquid mixture.
At present, when desulfurization treatment is performed on exhaust gas, the method adopted by a part of desulfurization device for desulfurizing the exhaust gas is as follows: the desulfurization liquid mixed with limestone is used for spraying and adsorbing the waste gas in the spray tower so as to remove sulfide in the waste gas, and the waste gas is directly discharged out of the spray tower after desulfurization, and meanwhile, a magnesium-based desulfurizing agent, such as magnesium oxide, is added into the desulfurization liquid mixed with limestone so as to further improve the desulfurization efficiency of the waste gas. By adopting the technical scheme, the problems are as follows: because the waste gas is conveyed to the desulfurizing tower by the fan, the flow velocity of the waste gas in the desulfurizing tower is faster, so that the waste gas spray tower cannot be fully mixed with the desulfurizing liquid, and the desulfurizing liquid sprayed by the spray pipe sometimes contains slaked lime particles, so that the desulfurized waste gas is doped with the spray liquid containing slaked lime particles when flowing out of the spray tower, and the phenomenon of lime rain is caused.
Disclosure of Invention
The embodiment of the utility model aims to provide a magnesium limestone desulfurization device, which aims to solve the technical problem that slaked lime particles are doped in a spray tower due to too high exhaust gas flow rate in the prior art.
In order to achieve the above purpose, the technical scheme adopted by the utility model is to provide a magnesium limestone desulfurization device, which comprises:
the tower body is provided with an air inlet channel and an air outlet channel, and is provided with a containing cavity which is used for communicating the air inlet channel with the air outlet channel;
the spray pipe is connected in the accommodating cavity, and a spray opening for spraying desulfurization liquid medicine into the accommodating cavity is formed in the spray pipe;
the gas-liquid separation structure is fixedly connected in the accommodating cavity, and a gas-liquid separation surface at least partially facing the spray pipe is formed on the gas-liquid separation structure.
Preferably, the gas-liquid separation surface is formed by rotating a preset line segment or a preset curve around a preset axis for one circle.
Preferably, the number of the gas-liquid separation surfaces is two, the two gas-liquid separation surfaces are a first gas-liquid separation surface and a second gas-liquid separation surface, and the first gas-liquid separation surface and the second gas-liquid separation surface are arranged in a back-to-back manner;
the first gas-liquid separation surface faces the spray pipe, and the second gas-liquid separation surface faces away from the spray pipe.
Preferably, the spray pipe is of an annular structure;
the preset axis and the central axis of the spray pipe are coaxially arranged.
Preferably, the outer wall of the spray pipe is arranged at intervals on the inner wall of the tower body;
the spray openings comprise a plurality of inner spray openings and a plurality of outer spray openings, the inner spray openings are formed in the inner side of the spray pipe and are uniformly distributed along the extending direction of the spray pipe, and the outer spray openings are formed in the outer side wall of the spray pipe and are uniformly distributed along the extending direction of the spray pipe.
Preferably, the magnesium limestone desulfurization device further comprises:
the guide plate is arranged at an angle with the tower body and is connected in the accommodating cavity, the outer wall of the guide plate is connected with the side wall of the tower body, and the inner wall of the guide plate is spaced from the second gas-liquid separation surface.
The magnesium-added limestone desulfurization device provided by the utility model has the beneficial effects that: compared with the prior art, the magnesium-added limestone desulfurization device provided by the utility model comprises a tower body, a spray pipe and a gas-liquid separation structure, wherein the tower body is provided with an air inlet channel, an air exhaust channel and a containing cavity, the containing cavity is used for communicating the air inlet channel with the air exhaust channel, the spray pipe is connected in the containing cavity, a spray opening used for spraying desulfurization liquid medicine into the containing cavity is formed in the spray pipe, the gas-liquid separation structure is fixedly connected in the containing cavity, at least part of gas-liquid separation surface facing the spray pipe is formed on the gas-liquid separation structure, waste gas flows to the gas-liquid separation surface after being mixed with the desulfurization liquid medicine, and is slowed down by the gas-liquid separation surface, and meanwhile, the gas-liquid separation surface is also used for separating the desulfurization liquid medicine doped with slaked lime particles in the waste gas from the waste gas so as to prevent the phenomenon of lime rain.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a structure of a device for desulfurizing limestone with magnesium provided by an embodiment of the utility model;
FIG. 2 is a schematic diagram II of a device for desulfurizing limestone with magnesium provided by the embodiment of the utility model;
FIG. 3 is a schematic diagram of the internal structure of a device for desulfurizing magnesium limestone, which is provided by the embodiment of the utility model;
FIG. 4 is a schematic diagram of a gas-liquid separation structure according to an embodiment of the present utility model;
FIG. 5 is a schematic diagram of the internal structure of a device for desulfurizing magnesium limestone according to another embodiment of the present utility model;
fig. 6 is a schematic structural diagram of a gas-liquid separation structure according to another embodiment of the present utility model.
Wherein, each reference sign in the figure:
a tower body; 11. a receiving chamber; 20. a shower pipe; 21. an inner spray port; 22. an outer spray port; 30. a gas-liquid separation structure; 31. a first gas-liquid separation surface; 32. a second gas-liquid separation surface; 33. presetting an axis; 40. an air intake passage; 50. an exhaust passage; 60. and a deflector.
Description of the embodiments
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are merely for convenience in describing and simplifying the description based on the orientation or positional relationship shown in the drawings, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
Referring to fig. 1 to 6, a description will be given of a device for desulfurizing limestone with magnesium according to an embodiment of the present utility model.
A magnesium-added limestone desulfurization device comprises a tower body 10, a spray pipe 20 and a gas-liquid separation structure 30. Wherein, the bottom of tower body 10 is equipped with inlet channel 40, and the top of tower body 10 is equipped with exhaust channel 50, and is formed with on the tower body 10 and holds chamber 11, holds the lower extreme and the inlet channel 40 intercommunication of chamber 11, and inlet channel 40 and the bottom interval setting that holds chamber 11, holds the upper end and the exhaust channel 50 intercommunication of chamber 11. The waste air inlet channel 40 is used for connecting an induced draft fan, and the induced draft fan is used for conveying waste gas into the accommodating cavity 11 during operation.
The spray pipe 20 is connected in holding the intracavity 11, and spray pipe 20 and hold the bottom interval setting in chamber 11 and be located the top of inlet channel 40, be formed with the shower mouth that is used for spraying desulfurization liquid medicine to holding in the chamber 11 on the spray pipe 20, desulfurization liquid medicine is after getting into spray pipe 20, is sprayed to holding in the chamber 11 by the shower mouth and mixes with waste gas to carry out desulfurization treatment to waste gas.
The desulfurization chemical solution was a limestone suspension mixed with magnesium oxide.
The gas-liquid separation structure 30 is fixedly connected in the accommodating cavity 11 and is located above the spray pipe 20, and a gas-liquid separation surface at least partially facing the spray pipe 20 is formed on the gas-liquid separation structure 30.
After the waste gas is conveyed into the accommodating cavity 11 through the induced draft fan, the waste gas is mixed with the desulfurization liquid medicine sprayed out by the spray pipe 20, so that the desulfurization liquid medicine carries out desulfurization treatment on the waste gas, and the desulfurization liquid medicine with larger volume drops to the bottom of the accommodating cavity 11 under the action of gravity. Because the waste gas has certain velocity of flow in holding chamber 11, therefore under the velocity of flow effect of waste gas, partial small and light desulfurization liquid medicine drop and slaked lime granule can upwards flow under the waste gas drive, through setting up gas-liquid separation structure 30 in shower 20's top, waste gas drives desulfurization liquid medicine drop and slaked lime granule upward movement to the gas-liquid separation face of gas-liquid separation structure 30 to make small and light desulfurization liquid medicine drop and slaked lime granule gather into the water droplet that is bulky and the mass is big on the gas-liquid separation face, and under the action of gravity, the water droplet is by the bottom of gas-liquid separation face whereabouts holding chamber 11.
Compared with the prior art, the magnesium limestone desulfurization device provided by the utility model comprises a tower body 10, a spray pipe 20 and a gas-liquid separation structure 30, wherein the tower body 10 is provided with an air inlet channel 40, an air outlet channel 50 and a containing cavity 11, the containing cavity 11 is used for communicating the air inlet channel 40 with the air outlet channel 50, the spray pipe 20 is connected in the containing cavity 11, a spray opening used for spraying desulfurization liquid medicine into the containing cavity 11 is formed on the spray pipe 20, the gas-liquid separation structure 30 is fixedly connected in the containing cavity 11, at least part of the gas-liquid separation surface facing the spray pipe 20 is formed on the gas-liquid separation structure 30, waste gas flows to the gas-liquid separation surface after being mixed with the desulfurization liquid medicine, and is slowed down by the gas-liquid separation surface, and meanwhile, the gas-liquid separation surface is also used for separating the desulfurization liquid medicine doped with slaked lime particles in the waste gas from the waste gas so as to prevent the phenomenon of lime rain.
In the present utility model, the gas-liquid separation surface is formed by rotating a preset line segment or a preset curve around a preset axis 33 for one circle, wherein the preset axis 33 is a central axis of the gas-liquid separation structure 30, and the preset axis 33 extends along a vertical direction.
Specifically, in the embodiment of the present utility model, referring to fig. 3 to 4, the gas-liquid separation surface is formed by rotating a predetermined line segment around the predetermined axis 33 by one revolution, wherein the predetermined line segment is disposed at an angle, such as 60 °, with respect to the predetermined axis 33.
In another embodiment of the application, referring to fig. 5 to 6, the gas-liquid separation surface is formed by a predetermined curve segment rotating around a predetermined axis 33, wherein a concave surface of the gas-liquid separation surface formed by the predetermined curve is located at the outer side.
In one embodiment of the present utility model, the number of the gas-liquid separation surfaces is two, and the two gas-liquid separation surfaces are a first gas-liquid separation surface 31 and a second gas-liquid separation surface 32, respectively, and the first gas-liquid separation surface 31 and the second gas-liquid separation surface 32 are arranged opposite to each other; the first gas-liquid separation surface 31 is located below the second separation surface and faces the shower pipe 20, and the second gas-liquid separation surface 32 is located above the first gas-liquid separation surface 31 and faces away from the shower pipe 20. And the magnesium limestone desulfurization device also comprises a guide plate 60, wherein the guide plate 60 is positioned in the accommodating cavity 11, and the guide plate 60 is arranged at an angle, such as 60 degrees, with the tower body 10. The baffle 60 has an annular structure, the outer wall of the baffle 60 is connected with the side wall of the tower body 10, and the inner wall of the baffle 60 is located above the second gas-liquid separation surface 32 and is spaced from the second gas-liquid separation surface 32.
The spray pipe 20 is of an annular structure, a preset axis 33 is coaxially arranged with the central axis of the spray pipe 20, the inner walls of the outer wall tower body 10 of the spray pipe 20 are arranged at intervals, the spray ports comprise a plurality of inner spray ports 21 and a plurality of outer spray ports 22, the inner spray ports are formed in the inner side of the spray pipe 20 and are uniformly distributed along the extending direction of the spray pipe 20, and the outer spray ports 22 are formed in the outer side wall of the spray pipe 20 and are uniformly distributed along the extending direction of the spray pipe 20.
After the waste gas is conveyed into the accommodating cavity 11 through the induced draft fan, the spraying port 21 on the inner side of the spraying pipe 20 sprays out the desulfurization liquid medicine and is mixed with the waste gas positioned on the inner side of the spraying pipe 20, the spraying port 22 on the outer side of the spraying pipe 20 sprays out the desulfurization liquid medicine and is mixed with the waste gas positioned on the outer side of the spraying pipe 20, and after the waste gas positioned on the inner side of the spraying pipe 20 is mixed with the desulfurization liquid medicine, the gas-liquid separation is carried out by the first gas-liquid separation surface 31; after the exhaust gas outside the spray pipe 20 is mixed with the spray liquid medicine, the gas-liquid separation is performed by the second gas-liquid separation surface 32 under the guiding action of the guide plate 60.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (6)
1. A de-sulfurizing device with magnesium limestone, comprising:
the tower body is provided with an air inlet channel and an air outlet channel, and is provided with a containing cavity which is used for communicating the air inlet channel with the air outlet channel;
the spray pipe is connected in the accommodating cavity, and a spray opening for spraying desulfurization liquid medicine into the accommodating cavity is formed in the spray pipe;
the gas-liquid separation structure is fixedly connected in the accommodating cavity, and a gas-liquid separation surface at least partially facing the spray pipe is formed on the gas-liquid separation structure.
2. The apparatus of claim 1, wherein the gas-liquid separation surface is formed by a predetermined line segment or a predetermined curve rotating around a predetermined axis.
3. A de-sulfurizing apparatus with magnesium limestone as claimed in claim 2,
the number of the gas-liquid separation surfaces is two, the two gas-liquid separation surfaces are a first gas-liquid separation surface and a second gas-liquid separation surface, and the first gas-liquid separation surface and the second gas-liquid separation surface are arranged in a back-to-back manner;
the first gas-liquid separation surface faces the spray pipe, and the second gas-liquid separation surface faces away from the spray pipe.
4. A de-sulfurizing device with magnesium limestone as claimed in claim 3,
the spray pipe is of an annular structure;
the preset axis and the central axis of the spray pipe are coaxially arranged.
5. A de-sulfurizing device with magnesium limestone as claimed in claim 4,
the outer wall of the spray pipe is arranged at intervals on the inner wall of the tower body;
the spray openings comprise a plurality of inner spray openings and a plurality of outer spray openings, the inner spray openings are formed in the inner side of the spray pipe and are uniformly distributed along the extending direction of the spray pipe, and the outer spray openings are formed in the outer side wall of the spray pipe and are uniformly distributed along the extending direction of the spray pipe.
6. The magnesia limestone desulfurization apparatus of claim 4, further comprising:
the guide plate is arranged at an angle with the tower body and is connected in the accommodating cavity, the outer wall of the guide plate is connected with the side wall of the tower body, and the inner wall of the guide plate is spaced from the second gas-liquid separation surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321066878.6U CN220159646U (en) | 2023-05-06 | 2023-05-06 | Magnesium-added limestone desulfurizing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321066878.6U CN220159646U (en) | 2023-05-06 | 2023-05-06 | Magnesium-added limestone desulfurizing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220159646U true CN220159646U (en) | 2023-12-12 |
Family
ID=89068258
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321066878.6U Active CN220159646U (en) | 2023-05-06 | 2023-05-06 | Magnesium-added limestone desulfurizing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220159646U (en) |
-
2023
- 2023-05-06 CN CN202321066878.6U patent/CN220159646U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109833763B (en) | Flue gas desulfurization and denitrification device for thermal power plant | |
| CN108671739A (en) | A kind of spray scattering tower apparatus | |
| CN220159646U (en) | Magnesium-added limestone desulfurizing device | |
| CN211987978U (en) | Purifier for kiln waste gas | |
| CN209348285U (en) | Dry-wet integratedization flue gas purifying equipment | |
| CN208427011U (en) | A kind of calcium chloride solution production equipment | |
| CN209378796U (en) | Flue gas ash removal denitration UTILIZATION OF VESIDUAL HEAT IN integrated apparatus | |
| CN207722608U (en) | A kind of type smoke pollutant removal device with Venturi tube | |
| CN206701054U (en) | A kind of two step mass transfer wet desulphurization devices | |
| CN215506306U (en) | Flue gas treatment device | |
| CN211358302U (en) | Spray system of desulfurizing tower | |
| CN111715005B (en) | Device for purifying air with dust | |
| CN115445409A (en) | Acid-base waste gas treatment device with chemical dosage adjustable function | |
| CN212731657U (en) | Desulfurization and denitrification integrated absorption device | |
| CN217092869U (en) | Horizontal acidic waste gas treatment system | |
| CN217015948U (en) | Desulfurization tube bank defogging equipment | |
| CN213253802U (en) | Waste gas treatment engineering deacidification tower | |
| CN217795389U (en) | Flue gas desulfurization treatment device for active lime shaft furnace | |
| CN216537760U (en) | High efficiency desulfurization dust collector | |
| CN219043174U (en) | Dust removal pipeline structure | |
| KR200373262Y1 (en) | Semi dry scrubber in an axial flow type | |
| CN110449009A (en) | A kind of spray column of exhaust-gas treatment | |
| CN216260018U (en) | Gypsum desulphurization device adopting wet desulphurization | |
| CN216799333U (en) | Desulfurization system with dual desulfurization effect | |
| CN212818917U (en) | Be used for coke oven flue gas desulphurization unit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |