CN210125283U - Flue gas desulfurization device - Google Patents
Flue gas desulfurization device Download PDFInfo
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- CN210125283U CN210125283U CN201920761591.2U CN201920761591U CN210125283U CN 210125283 U CN210125283 U CN 210125283U CN 201920761591 U CN201920761591 U CN 201920761591U CN 210125283 U CN210125283 U CN 210125283U
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- absorption liquid
- flue gas
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Abstract
The utility model discloses a flue gas desulfurization device. The device includes the flue gas desulfurization tower body, and the desulfurizing tower body is equipped with exhanst gas outlet, flue gas import, is equipped with first filter plate, sprays the layer, removes dust board from bottom to top in the desulfurizing tower body in proper order, and desulfurizing tower body lower extreme is equipped with the absorption liquid chamber, is equipped with the second filter plate in the absorption liquid chamber, and desulfurizing tower body lower extreme is equipped with the absorption liquid export, and the absorption liquid goes outThe port is connected with a first pipeline, the other end of the first pipeline is connected with a spraying element arranged in the spraying layer, the first pipeline is provided with a water pump, and one end of the water pump, which is far away from the outlet of the absorption liquid, is provided with a one-way valve. The utility model discloses set up the absorption liquid chamber to link to each other absorption liquid chamber through the pipeline with spray intraformational spray component, the pipeline still is equipped with the water pump, and the setting of water pump can make the absorption liquid can recycle, and spray component's setting enables the absorption liquid can the biggest purification and absorbs the SO in the flue gas2The absorption efficiency is higher.
Description
Technical Field
The utility model relates to a flue gas treatment technical field, in particular to flue gas desulfurization device.
Background
In recent years, along with the increasing prominence of environmental problems, the air quality problem is also gradually attracting attention. One of the main sources of air pollution is the emission of smoke pollutants of an industrial boiler, and the unqualified emission of smoke can aggravate air pollution, so that the smoke can be emitted only after being subjected to desulfurization, denitration and dust removal treatment. In the prior art, the wet desulphurization technology can be used for desulphurization treatment of flue gas, but in the wet flue gas desulphurization technology, SO of a flue gas desulphurization tower2Absorption efficiency is poor, in order to achieve the desired SO2Absorption effect, SO2The absorption liquid is circulated and refluxed for multiple times and is pumped into the desulfurization tower at higher pressure, thereby generating higher energy consumption. In the prior art, patent application No. 201510021012.7 discloses a flue gas desulfurization tower, which can achieve very good atomization effect under low pressure by arranging multiple spray layers, thereby improving SO2The absorption efficiency obtains the effect of reducing the operation energy consumption of the flue gas desulfurization tower. However, in the desulfurizing tower, solid particles generated after the flue gas desulfurization can fall into the absorption liquid pool, and once the solid particles are more, the circulation of the circulating pump on the absorption liquid can be influenced, so that the flue gas desulfurization efficiency is lower.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a flue gas desulfurization device with higher desulfurization efficiency aiming at the defects existing in the prior art.
In order to realize the purpose of the utility model, the utility model relates to a flue gas desulfurization device has adopted following technical scheme:
a flue gas desulfurization device comprises a flue gas desulfurization tower body, wherein the upper end of the desulfurization tower body is provided with a flue gas outlet, the lower end of the desulfurizing tower body is provided with a flue gas inlet, a first filter plate, a spraying layer and a dust removing plate are sequentially arranged in the desulfurizing tower body from bottom to top, the lower end of the desulfurizing tower body is provided with an absorption liquid cavity which is positioned below the flue gas inlet, a second filter plate is arranged in the absorption liquid cavity, an absorption liquid outlet is arranged at the lower end of the desulfurization tower body, the absorption liquid cavity is communicated with the absorption liquid outlet, the absorption liquid outlet is connected with a first pipeline, the other end of the first pipeline is connected with a spray element arranged in a spray layer, the first pipeline is provided with a water pump, one end of the water pump, which is far away from the outlet of the absorption liquid, is provided with a one-way valve, the middle part of the first pipeline is also connected with a second pipeline, the other end of the second pipeline is connected with an absorption liquid pool, and the second pipeline is provided with a valve.
Specifically, a first ash discharge port is formed in the contact position of the first filter plate and the desulfurization tower body, and a second ash discharge port is formed in the contact position of the second filter plate and the desulfurization tower body.
Specifically, still be equipped with the absorption board between spraying layer and the dust removal board, the absorption board is equipped with the through-hole that supplies the flue gas to pass through, the absorption board is lime stone slab.
Specifically, the absorption liquid is a calcium hydroxide aqueous solution.
Compared with the prior art, the beneficial effects of the utility model reside in that:
1. the utility model discloses set up the absorption liquid chamber to link to each other absorption liquid chamber through the pipeline with spray intraformational spray component, the pipeline still is equipped with the water pump, and the setting of water pump can make absorption liquid can recycle, and spray component's setting can make flue gas and absorption liquid carry out the contact on the largest scale, and the SO in the flue gas is absorbed in the purification of absorption liquid ability on the largest scale2The absorption efficiency is higher.
2. The solid that the absorption liquid and flue gas reaction produced uses first filter plate, second filter plate to collect, sets up the ash discharge mouth simultaneously, is convenient for discharge the solid in the desulfurizing tower.
3. The utility model discloses spraying the layer top and being equipped with the absorption board, absorbing the board and being the lime slabstone, can carry out the secondary absorption to the flue gas after absorption liquid carries out primary absorption, guarantee within emission standard of exhaust flue gas.
Drawings
Fig. 1 is a schematic structural view of the present invention;
the device comprises a desulfurizing tower body 10, a flue gas inlet 11, a flue gas outlet 12, a first filter plate 21, a spray layer 22, a spray element 221, a dust removal plate 23, an absorption plate 24, a second filter plate 25, a liquid absorption cavity 30, a first pipeline 40, a water pump 41, a check valve 42, a second pipeline 50, a valve 51, a first ash discharge port 61 and a second ash discharge port 62.
Detailed Description
The invention will be further elucidated with reference to the embodiments described hereinafter.
As shown in figure 1 of the drawings, in which,
a flue gas desulfurization device comprises a flue gas desulfurization tower body 10, wherein a flue gas outlet 12 is arranged at the upper end of the desulfurization tower body 10, a flue gas inlet 11 is arranged at the lower end of the desulfurization tower body 10, a first filter plate 21, a spraying layer 22 and a dust removing plate 23 are sequentially arranged in the desulfurization tower body 10 from bottom to top, an absorption liquid cavity 30 is arranged at the lower end of the desulfurization tower body 10, the absorption liquid cavity 30 is positioned below the flue gas inlet 11, a second filter plate 25 is arranged in the absorption liquid cavity 30, an absorption liquid outlet is arranged at the lower end of the desulfurization tower body 10, the absorption liquid cavity 30 is communicated with the absorption liquid outlet, the absorption liquid outlet is connected with a first pipeline 40, the other end of the first pipeline 40 is connected with a spraying element 221 arranged in the spraying layer 22, a water pump 41 is arranged on the first pipeline 40, a one-way valve 42 is arranged at one end of the water pump 41 far away from the absorption liquid outlet, the other end of the second pipe 50 is connected with an absorption liquid pool (not shown in the figure), and the second pipe 50 is provided with a valve 51. A pipeline and a water pump 41 are arranged to recycle the absorption liquid; meanwhile, the second pipeline 50 can supplement absorption liquid, so that the cruising ability of the desulfurizing tower to the flue gas treatment is enhanced; the arrangement of the spraying element 221 can ensure that the flue gas can be contacted with the absorption liquid in the largest range, and the absorption liquid can purify and absorb SO in the flue gas in the largest range2The absorption efficiency is higher.
Specifically, a first ash discharge port 61 is arranged at a contact position of the first filter plate 21 and the desulfurization tower body 10, and a second ash discharge port 62 is arranged at a contact position of the second filter plate 25 and the desulfurization tower body 10. The ash discharge port is arranged to discharge the solid generated by the reaction of the flue gas and the absorption liquid out of the desulfurizing tower.
Specifically, an absorption plate 24 is further arranged between the spraying layer 22 and the dust removal plate 23, the absorption plate 24 is provided with through holes for smoke to pass through, and the absorption plate 24 is a lime stone plate. The absorption plate can carry out secondary absorption on the smoke after the absorption liquid carries out primary absorption, thereby ensuring that the discharged smoke is within the emission standard
Specifically, the absorption liquid is a calcium hydroxide aqueous solution.
The utility model discloses a concrete working process and principle: the flue gas enters the desulfurizing tower body 10 from the flue gas inlet 11, firstly contacts with the surface layer of the absorption liquid to form partial solid, the partial solid falls on the second filter plate 25, the water pump 41 is started, the absorption liquid is sprayed by the spraying element 221, the absorption liquid contacts with the flue gas to carry out absorption reaction, and the formed solid falls on the first filter plate 21. After reacting for a period of time, the absorption liquid reduces, opens valve 51 for new absorption liquid gets into the desulfurizing tower, handles the flue gas, and lime slabstone carries out secondary treatment to the flue gas, and dust removal plate 23 removes dust to the flue gas and handles, makes the flue gas that discharges out accord with the standard.
The above is only a preferred embodiment of the present invention, and the present invention is not limited to the above embodiments, and although the present invention has been disclosed with the above preferred embodiments, but the present invention is not limited to the above embodiments, and any skilled person familiar with the art can make some changes or modifications to equivalent embodiments without departing from the technical scope of the present invention, but all the technical matters of the present invention are within the scope of the technical solution of the present invention.
It should be noted that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the range that the technical content disclosed in the present invention can cover without affecting the efficacy and the achievable purpose of the present invention.
Claims (3)
1. The utility model provides a flue gas desulfurization device, includes flue gas desulfurization tower body, its characterized in that: the desulfurizing tower comprises a desulfurizing tower body, and is characterized in that a flue gas outlet is formed in the upper end of the desulfurizing tower body, a flue gas inlet is formed in the lower end of the desulfurizing tower body, a first filter plate, a spraying layer and a dust removing plate are sequentially arranged in the desulfurizing tower body from bottom to top, an absorption liquid cavity is formed in the lower end of the desulfurizing tower body and located below the flue gas inlet, a second filter plate is arranged in the absorption liquid cavity, an absorption liquid outlet is formed in the lower end of the desulfurizing tower body, the absorption liquid cavity is communicated with the absorption liquid outlet, the absorption liquid outlet is connected with a first pipeline, the other end of the first pipeline is connected with a spraying element arranged in the spraying layer, the first pipeline is provided with a water pump, one end, away from the absorption liquid outlet, of the water pump is provided with a one-way valve, the middle of.
2. The flue gas desulfurization apparatus according to claim 1, characterized in that: the contact position of the first filter plate and the desulfurization tower body is provided with a first ash discharge port, and the contact position of the second filter plate and the desulfurization tower body is provided with a second ash discharge port.
3. The flue gas desulfurization apparatus according to claim 1, characterized in that: an absorption plate is further arranged between the spraying layer and the dust removal plate, the absorption plate is provided with a through hole for smoke to pass through, and the absorption plate is a lime stone plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920761591.2U CN210125283U (en) | 2019-05-24 | 2019-05-24 | Flue gas desulfurization device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920761591.2U CN210125283U (en) | 2019-05-24 | 2019-05-24 | Flue gas desulfurization device |
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| CN210125283U true CN210125283U (en) | 2020-03-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920761591.2U Active CN210125283U (en) | 2019-05-24 | 2019-05-24 | Flue gas desulfurization device |
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| CN (1) | CN210125283U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111389210A (en) * | 2020-03-31 | 2020-07-10 | 路蓉 | Quenching collection processing system based on smelting flue gas |
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2019
- 2019-05-24 CN CN201920761591.2U patent/CN210125283U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111389210A (en) * | 2020-03-31 | 2020-07-10 | 路蓉 | Quenching collection processing system based on smelting flue gas |
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