CN211706421U - Multi-stage injection ultralow-emission desulfurization device - Google Patents
Multi-stage injection ultralow-emission desulfurization device Download PDFInfo
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- CN211706421U CN211706421U CN202020067895.1U CN202020067895U CN211706421U CN 211706421 U CN211706421 U CN 211706421U CN 202020067895 U CN202020067895 U CN 202020067895U CN 211706421 U CN211706421 U CN 211706421U
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Abstract
The utility model discloses a: a multi-stage injection ultra-low emission desulfurization device comprises a desulfurization tower, a tower shell is arranged outside the desulfurization tower, a slurry preparation tank is arranged at the bottom of the desulfurization tower, a pipeline is arranged on the slurry preparation tank, a slurry pump is connected with the pipeline, the slurry pump is connected with a plurality of spray systems through the pipeline, the spray systems are arranged inside the desulfurization tower and comprise two spray heads, a built-in cyclone plate is arranged at the corresponding position below each spray head, a baffling demister is arranged above each spray system and is more than or equal to 2 layers, a water washing nozzle is arranged on each baffling demister and passes through the water washing nozzle, the water pump is connected with the pipeline, an air inlet pipe is arranged on one side of the desulfurization tower, the air inlet pipe is connected with one end of a draught fan, the other end of the draught fan is connected with a boiler, a chimney is arranged at the top of the desulfurization, high safety and reliability and the like.
Description
Technical Field
The utility model discloses be applied to the environmental protection field, specifically be a multistage injection ultralow emission desulphurization unit.
Background
At present, the desulfurization and denitration of flue gas of coal-fired boilers become very concerned problems for people, and the current economic conditions and technical conditions of the coal-fired boilers are also very difficult tasks for environmental protection in China, so that the investment of a large amount of manpower and material resources is not allowed like that in developed countries, and the start of sulfur dioxide treatment is relatively late. Along with the maturity of experience and technology, each set of equipment gradually realizes the localization, wherein very important flue gas absorption and treatment equipment, absorption medium conveying and discharging equipment, primary waste treatment equipment, equipment with high corrosion degree, serious abrasion and high temperature resistance requirement are all localized, which provides a premise for flue gas dust removal and desulfurization work.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a multistage injection ultralow emission desulphurization unit to solve the problem of proposing among 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 multistage spray ultralow desulphurization unit that discharges, includes the desulfurizing tower, the desulfurizing tower outside is equipped with the tower shell, the desulfurizing tower bottom is equipped with thick liquid preparation jar, be equipped with the pipeline on the thick liquid preparation jar, the pipe connection has the thick liquid pump, the thick liquid pump passes through pipe connection a plurality of sprinkler system, the inside a plurality of sprinkler system that is equipped with of desulfurizing tower, sprinkler system includes two showers, the corresponding position in shower below is equipped with built-in whirl board, the sprinkler system top is equipped with baffling defroster and 2 layers more than, be equipped with water washing nozzle on the baffling defroster, water washing nozzle passes through the pipe connection water pump, desulfurizing tower one side is equipped with the intake pipe, the one end of intake-tube connection draught fan, the boiler is connected to the other end of draught fan, the desulfurizing tower top is equipped with the chimney.
Preferably, an agitator is arranged inside the slurry preparation tank.
Preferably, a crawling ladder is arranged on one side of the desulfurization tower, a working platform is arranged on the crawling ladder, an access door is arranged on the desulfurization tower, and the access door corresponds to the position of the working platform.
Preferably, a filter screen is arranged at the bottom of the slurry preparation tank.
Preferably, a heating device is arranged below the internal rotational flow plate.
Compared with the prior art, the beneficial effects of the utility model are that: the desulfurization process has the advantages of no influence on the operation of a boiler, high desulfurization efficiency, small amount of circulating slurry, small scale of a preparation system, low operating cost, high safety and reliability and the like.
Drawings
FIG. 1 is a diagram of a multi-stage injection ultra-low emission desulfurizer;
fig. 2 is an enlarged view at a.
Wherein; 1 desulfurizing tower, 2 tower shells, 3 thick liquid preparation jars, 4 pipelines, 5 thick liquid pumps, 6 spraying systems, 61 shower heads, 62 built-in whirl boards, 7 baffling defroster, 8 water washing nozzle, 9 water pumps, 10 chimneys, 11 intake pipes, 12 draught fans, 13 boilers, 14 agitators, 15 cat ladders, 16 work platforms, 17 access doors, 18 filter screens, 19 heating device.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
Referring to fig. 1, the present invention provides a technical solution: the utility model provides a multistage injection ultralow emission desulphurization unit, includes desulfurizing tower 1, desulfurizing tower 1 outside is equipped with tower shell 2, desulfurizing tower 1 bottom is equipped with thick liquid preparation jar 3, be equipped with pipeline 4 on the thick liquid preparation jar 3, pipeline 4 is connected with thick liquid pump 5, thick liquid pump 5 passes through pipeline 4 connects a plurality of sprinkler system 6, desulfurizing tower 1 inside is equipped with a plurality of sprinkler system 6, sprinkler system 6 includes two shower heads 61, the corresponding position in shower head 61 below is equipped with built-in whirl board 62, sprinkler system 6 top is equipped with baffling defroster 7 and 2 layers more than or equal to, be equipped with water washing nozzle 8 on the baffling defroster 7, water washing nozzle 8 passes through pipeline 4 connects water pump 9, desulfurizing tower 1 one side is equipped with intake pipe 11, intake pipe 11 connects the one end of draught fan 12, boiler 13 is connected to the other end of draught fan 12, and a chimney 10 is arranged at the top of the desulfurizing tower 1.
Specifically, the slurry preparation tank 3 is provided with an agitator 14 inside.
The speed of the desulfurization process is accelerated.
Particularly, 1 one side of desulfurizing tower is equipped with cat ladder 15, be equipped with work platform 16 on the cat ladder 15, be equipped with access door 17 on the desulfurizing tower 1, access door 17 corresponds the position at work platform 16.
The accessory in the desulfurizing tower is convenient for personnel to overhaul or replace.
Specifically, the bottom of the slurry preparation tank 3 is provided with a filter screen 18.
And the impurities after desulfurization are prevented from entering the slurry pump.
Specifically, a heating device 19 is provided below the inner swirling plate 62.
After the waste gas is heated, the molecular flow in the waste gas can be increased, and the reaction between the alkali liquor and the waste gas can be accelerated.
The exhaust gas heated by the heating device increases the molecular flow in the exhaust gas, and thus
Working principle; at first, flue gas in the boiler enters the desulfurizing tower from the bottom of the tower through the induced draft fan, fully contacts with sprayed alkali liquor in a countercurrent mode, is provided with a built-in cyclone plate in the desulfurizing tower, prolongs gas-liquid reaction time, is used for removing solid particles in the flue gas through the baffle plate demister at last, and then is washed by water to clean the demister and prevent blockage.
In the description of the present specification, the terms "connect", "mount", "fix", and the like are to be understood in a broad sense, for example, "connect" may be a fixed connection, a detachable connection, or an integral connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the description of the present specification, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A multi-stage injection ultra-low emission desulfurization device comprises a desulfurization tower (1), and is characterized in that; desulfurizing tower (1) outside is equipped with tower shell (2), desulfurizing tower (1) bottom is equipped with slurry preparation jar (3), be equipped with pipeline (4) on slurry preparation jar (3), pipeline (4) are connected with thick liquid pump (5), thick liquid pump (5) are passed through pipeline (4) are connected a plurality of sprinkler system (6), desulfurizing tower (1) inside is equipped with a plurality of sprinkler system (6), sprinkler system (6) include two shower heads (61), the corresponding position in shower head (61) below is equipped with built-in whirl board (62), be equipped with baffling defroster (7) and more than or equal to 2 layers above sprinkler system (6), be equipped with on baffling defroster (7) and wash nozzle (8), wash nozzle (8) and pass through pipeline (4) connect water pump (9), desulfurizing tower (1) one side is equipped with intake pipe (11), the one end of draught fan (12) is connected in intake pipe (11), boiler (13) is connected to the other end of draught fan (12), desulfurizing tower (1) top is equipped with chimney (10).
2. The multi-stage injection ultra-low emission desulfurization unit according to claim 1, characterized in that; and a stirrer (14) is arranged in the slurry preparation tank (3).
3. The multi-stage injection ultra-low emission desulfurization unit according to claim 1, characterized in that; desulfurizing tower (1) one side is equipped with cat ladder (15), be equipped with work platform (16) on cat ladder (15), be equipped with access door (17) on desulfurizing tower (1), access door (17) correspond the position at work platform (16).
4. The multi-stage injection ultra-low emission desulfurization unit according to claim 1, characterized in that; and a filter screen (18) is arranged at the bottom of the slurry preparation tank (3).
5. The multi-stage injection ultra-low emission desulfurization unit according to claim 1, characterized in that; a heating device (19) is arranged below the internal rotational flow plate (62).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020067895.1U CN211706421U (en) | 2020-01-14 | 2020-01-14 | Multi-stage injection ultralow-emission desulfurization device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020067895.1U CN211706421U (en) | 2020-01-14 | 2020-01-14 | Multi-stage injection ultralow-emission desulfurization device |
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| Publication Number | Publication Date |
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| CN211706421U true CN211706421U (en) | 2020-10-20 |
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| CN202020067895.1U Active CN211706421U (en) | 2020-01-14 | 2020-01-14 | Multi-stage injection ultralow-emission desulfurization device |
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- 2020-01-14 CN CN202020067895.1U patent/CN211706421U/en active Active
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