CN212999151U - Coking tail gas dust removal desulfurizing tower - Google Patents
Coking tail gas dust removal desulfurizing tower Download PDFInfo
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- CN212999151U CN212999151U CN202021604541.2U CN202021604541U CN212999151U CN 212999151 U CN212999151 U CN 212999151U CN 202021604541 U CN202021604541 U CN 202021604541U CN 212999151 U CN212999151 U CN 212999151U
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- dust removal
- desulfurization
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Abstract
The utility model discloses aCoking tail gas dust removal desulfurizing tower, including the tower body, supreme tail gas inlet, dust collector, desulphurization unit and the tail gas export of having set gradually down in the tower body, dust collector is provided with a plurality of dust removal nozzles including the dust removal shower on the dust removal shower, and desulphurization unit includes the desulfurization shower, is provided with a plurality of desulfurization nozzles on the desulfurization shower. The utility model discloses a coking tail gas dust removal desulfurizing tower can collect the back and concentrated the processing to the tail gas of coking device's coke tower top, coke tower bottom, sedimentation tank, coke drum wait position. The waste gas enters the tower body from the tail gas inlet, and impurities such as dust and SO in the tail gas are gradually removed through a dust removal device, a desulfurization device and the like2And H2S and other harmful gases, and the equipment is simple and the dust removal and desulfurization effects are obvious.
Description
Technical Field
The utility model relates to a petrochemical industry delayed coking technical field, concretely relates to coking tail gas dust removal desulfurizing tower.
Background
In recent years, with the implementation of energy saving and consumption reduction policies in countries, places and various industries, people pay particular attention to the development of energy saving and consumption reduction technologies and equipment, and the requirements on the environment are more and more strict. The particles discharged from the delayed coking device in the petrochemical industry have serious harm to human bodies and the environment, have small particle size and large specific surface area, are usually solid-liquid mixtures, can enrich various toxic organic matters and heavy metal elements, can further generate chemical reaction, and further evolve into toxic and harmful substances or carcinogenic substances.
Delayed coking is a heavy oil deep thermal cracking processing technology and is a main technology for heavy oil processing at present. The waste gas discharged out of order in the delayed coking process is always an important pollution source of a coking device, the waste gas contains oil gas, sulfide, coke powder and the like, the components are complex, the temperature is high, the recovery difficulty is high, and the direct-discharge atmosphere has great influence on the surrounding atmospheric environment and harms the body health of operators. The dust removal and desulfurization integrated equipment is widely applied at present, but the existing dust removal and desulfurization equipment is complex in general equipment, complex in process and poor in dust removal effect, and the centralized recovery of used dust removal liquid and desulfurizer solution in the operation process of the equipment is also a problem.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the technical problem, provide a coking tail gas dust removal desulfurizing tower, retrieve the waste gas that produces in the coking device and carry out centralized processing to impurity and peculiar smell problem in the gaseous of elimination coking device low pressure loss improves dust removal desulfurization efficiency.
The utility model provides a solve above-mentioned technical problem, the technical scheme who provides is: the utility model provides a coking tail gas dust removal desulfurizing tower, includes the tower body, from supreme tail gas inlet, dust collector, desulphurization unit and the tail gas export of having set gradually down in the tower body, and dust collector is provided with a plurality of dust removal nozzles including the dust removal shower on the dust removal shower, and desulphurization unit includes the desulfurization shower, is provided with a plurality of desulfurization nozzles on the desulfurization shower.
As the further optimization of the coking tail gas dedusting and desulfurizing tower: and a skirt is arranged below the tower body.
As the further optimization of the coking tail gas dedusting and desulfurizing tower: and a washing water tank is arranged at the bottom of the tower body and is communicated with the dust removal spray pipe.
As the further optimization of the coking tail gas dedusting and desulfurizing tower: the dust removal spray nozzles are atomizing nozzles, and a plurality of dust removal spray nozzles are uniformly distributed along the length direction of the dust removal spray pipe.
As the further optimization of the coking tail gas dedusting and desulfurizing tower: and a water removal unit is arranged between the desulfurization device and the dust removal device.
As the further optimization of the coking tail gas dedusting and desulfurizing tower: the level has set firmly the baffle in the tower body, wears to be equipped with the breather pipe on the baffle, and the air vent has been seted up to breather pipe top lateral wall, and the breather pipe top is provided with the baffle, and the baffle is the distribution of falling V, and baffle, breather pipe and tower body enclose and close out a desulfurizer pond, and the desulfurizer pond sets up between desulphurization unit and dewatering unit.
As the further optimization of the coking tail gas dedusting and desulfurizing tower: and a demisting device is arranged between the desulfurization device and the tail gas outlet.
Has the advantages that: the utility model discloses a coking tail gas dust removal desulfurizing tower, including the tower body, follow supreme tail gas import, dust collector, desulphurization unit and the tail gas export of setting gradually down in the tower body, can collect the back and concentrated processing to the tail gas of coking device's coke top of the tower, coke tower bottom, positions such as sedimentation tank, coke chest. Tail gas enters the tower body from a tail gas inlet and passes through a dust removal device and a desulfurization deviceStanding for gradually removing impurities such as dust and SO in the tail gas2And H2S and other harmful gases, and the dust removal and desulfurization effects of the tail gas in the whole process are obvious.
Drawings
FIG. 1 is a schematic structural view of a coking tail gas dedusting and desulfurizing tower of the present invention;
fig. 2 is a schematic view of the structure of the breather pipe.
The labels in the figure are: 1. the device comprises a tower body, 2, a tail gas inlet, 3, a dust removal device, 301, a dust removal spray pipe, 302, a dust removal nozzle, 4, a desulfurization device, 401, a desulfurization spray pipe, 402, a desulfurization nozzle, 5, a tail gas outlet, 6, a skirt, 7, a washing water tank, 8, a dewatering unit, 9, a partition board, 10, a vent pipe, 101, baffles 101 and 11 and a demisting device.
Detailed Description
Examples
As shown in the figure, the coking tail gas dedusting and desulfurizing tower comprises a tower body 1, wherein a tail gas inlet 2, a dedusting device 3, a desulfurizing device 4 and a tail gas outlet 5 are sequentially arranged in the tower body 1 from bottom to top; tail gas tangentially enters the tower body from the tail gas inlet 2, and the flow speed of the tail gas is reduced, so that the tail gas rotates and flows in the tower body and is uniformly distributed in the tower body; a dust removal device 3 is arranged above the tail gas inlet 2, the dust removal device 3 comprises a dust removal spray pipe 301, a plurality of dust removal nozzles 302 are arranged on the dust removal spray pipe 301, and the dust removal device 3 is used for removing impurities such as dust in the tail gas; the tail gas after dust and other impurities are removed continuously rises to enter the desulfurization device 4, the desulfurization device 4 comprises a desulfurization spraying pipe 401, a plurality of desulfurization nozzles 402 are arranged on the desulfurization spraying pipe 401, and the desulfurization device 4 can remove SO in the tail gas2And H2S and other harmful gases; after impurities such as dust and harmful gases in the tail gas are removed, the tail gas is discharged from a tail gas outlet 5.
A skirt support 6 is arranged below the tower body 1, and the skirt support 6 supports the tower body 1.
The bottom of the tower body 1 is provided with a washing water tank 7, the bottom of the washing water tank 7 is connected with a pipeline, and the pipeline is communicated with the washing water tank 7 and a dust removal spray pipe 301; the washing water flows into the dust removal spraying pipe 301 from the pipeline, the washing water tank 7 provides enough washing water for the dust removal device 3, and the washing water mixed with the tail gas returns to the washing water tank 7 again, so that the recovery treatment is convenient.
The dust removal nozzles 302 are atomizing nozzles and are uniformly distributed along the length direction of the dust removal spraying pipe 301, so that the spraying coverage rate can reach 200%; washing water flows to the dust removal spray pipe 301 through a pipeline at the bottom of the washing water tank 7, the dust removal spray pipe 301 uniformly distributes the washing water to each dust removal spray nozzle 302, the dust removal spray nozzles 302 atomize the washing water into small granular liquid drops from liquid, and when tail gas rises, the dust removal spray nozzles 302 spray the washing water, so that the washing water can be fully mixed with the tail gas, and fine granular impurities such as dust in the tail gas are washed.
The desulfurization device 4 and the dust removal device 3 are provided with a dewatering unit 8, the dewatering unit 8 adopts a dewatering device, the dewatering device is fixedly connected with the tower body 1, the dewatering device consists of a group of W-shaped dewatering sheets, the dewatering sheets are fixed by a group of clamping strips, and a channel is formed between every two dewatering sheets; the atomized small granular liquid drops carried by the tail gas after passing through the dust collector 4 rise, pass through a channel formed by the water removing sheet, the water removing sheet blocks the atomized liquid drops, and the atomized liquid drops are left on the water removing sheet.
A partition plate 9 is fixedly arranged in the tower body 1 in a horizontal mode, a vent pipe 10 penetrates through the partition plate 9, a vent hole is formed in the side wall above the vent pipe 10, a baffle plate 101 is arranged at the top end of the vent pipe 10, the baffle plate 101 is distributed in an inverted V shape, and a desulfurizer pool is enclosed by the partition plate 9, the vent pipe 10 and the tower body 1. The desulfurizer pool is located between the desulfurization device 4 and the dewatering unit 8, and is communicated with the desulfurization spray pipe 401. The desulfurizer is stored on the partition plate 9, so that the required dosage of the desulfurization nozzle 402 is ensured; opening the desulfurization nozzles 402 to dissolve the desulfurization agent in water, flowing the desulfurization agent solution to the desulfurization spray pipe 401 through the pipeline, uniformly distributing the desulfurization agent solution to each desulfurization nozzle 402 by the desulfurization spray pipe 401, spraying the desulfurization agent solution in the desulfurization nozzles 402, allowing the tail gas to enter the vent pipe 10 from the bottom of the vent pipe 10, flowing out of the vent hole and continuously rising, and fully mixing with the sprayed desulfurization agent solution to remove SO in the tail gas2And H2S and other harmful gases; when the desulfurizer solution is sprayed downwards, the baffle 101 at the top end of the vent pipe 10 prevents the desulfurizer solution from flowing into the vent pipe 10, and ensures that the used desulfurizer solution completely falls onto the partition plate 9.
A demisting device 11 is arranged between the desulphurization device 4 and the tail gas outlet 5. Defogging device 11 adopts the efficient defroster, and the droplet passes through blockking and colliding of defroster, forms the liquid drop of large granule, and the desulfurization efficiency of guarantee tail gas is got rid of most water and reaction after the tail gas.
The above description 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 preferred embodiments, it is not limited to the present invention, and any skilled person in the art can make some modifications or equivalent changes without departing from the technical scope of the present invention.
Claims (7)
1. The utility model provides a coking tail gas dust removal desulfurizing tower which characterized in that: including tower body (1), from supreme tail gas import (2), dust collector (3), desulphurization unit (4) and tail gas outlet (5) of having set gradually down in tower body (1), dust collector (3) are provided with a plurality of dust removal nozzle (302) including dust removal shower (301) on dust removal shower (301), and desulphurization unit (4) are provided with a plurality of desulfurization nozzle (402) including desulfurization shower (401) on desulfurization shower (401).
2. The coking tail gas dedusting and desulfurizing tower of claim 1, which is characterized in that: a skirt (6) is arranged below the tower body (1).
3. The coking tail gas dedusting and desulfurizing tower of claim 1, which is characterized in that: the tower body (1) bottom is provided with washing water tank (7), and washing water tank (7) and dust removal shower (301) intercommunication.
4. The coking tail gas dedusting and desulfurizing tower of claim 1, which is characterized in that: the dust removal nozzles (302) are atomizing nozzles, and the dust removal nozzles (302) are uniformly distributed along the length direction of the dust removal spraying pipe (301).
5. The coking tail gas dedusting and desulfurizing tower of claim 1, which is characterized in that: and a dewatering unit (8) is arranged between the desulfurization device (4) and the dust removal device (3).
6. The coking tail gas dedusting and desulfurizing tower of claim 5, which is characterized in that: the horizontal baffle (9) that has set firmly in tower body (1), wear to be equipped with breather pipe (10) on baffle (9), the air vent has been seted up to breather pipe (10) top lateral wall, and breather pipe (10) top is provided with baffle (101), and baffle (101) are the distribution of falling V, and baffle (9), breather pipe (10) and tower body (1) enclose and close a desulfurizer pond, and the desulfurizer pond sets up between desulphurization unit (4) and dewatering unit (8).
7. The coking tail gas dedusting and desulfurizing tower of claim 1, which is characterized in that: and a demisting device (11) is arranged between the desulfurizing device (4) and the tail gas outlet (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021604541.2U CN212999151U (en) | 2020-08-05 | 2020-08-05 | Coking tail gas dust removal desulfurizing tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021604541.2U CN212999151U (en) | 2020-08-05 | 2020-08-05 | Coking tail gas dust removal desulfurizing tower |
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| CN212999151U true CN212999151U (en) | 2021-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021604541.2U Active CN212999151U (en) | 2020-08-05 | 2020-08-05 | Coking tail gas dust removal desulfurizing tower |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114014402A (en) * | 2021-11-30 | 2022-02-08 | 华能营口热电有限责任公司 | Vertical-layout desulfurization slurry flash evaporation heat extraction system and working method thereof |
-
2020
- 2020-08-05 CN CN202021604541.2U patent/CN212999151U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114014402A (en) * | 2021-11-30 | 2022-02-08 | 华能营口热电有限责任公司 | Vertical-layout desulfurization slurry flash evaporation heat extraction system and working method thereof |
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