CN206191609U - Coking exhaust -gas treatment's device - Google Patents
Coking exhaust -gas treatment's device Download PDFInfo
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- CN206191609U CN206191609U CN201621118301.5U CN201621118301U CN206191609U CN 206191609 U CN206191609 U CN 206191609U CN 201621118301 U CN201621118301 U CN 201621118301U CN 206191609 U CN206191609 U CN 206191609U
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- coke
- heating furnace
- gas
- cooling water
- desulfurizer
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Abstract
The utility model relates to a petrochemical industry field discloses a coking exhaust -gas treatment's device, wherein, the device is including heating furnace (1), coke drum (2), cold burnt water pitcher (3) and desulphurization unit (4), heating furnace (1) with entry intercommunication at the bottom of the tower of coke drum (2), the cold jiao shui export of the top of the tower of coke drum (2) with cold burnt water pitcher (3) intercommunication, the tank deck gas exports of cold burnt water pitcher (3) with desulphurization unit (4) intercommunication, desulphurization unit (4) with the fuel port intercommunication of heating furnace (1). Device furthest utilizes the existing equipment, realizes volatile organic compound (VOC) the zero release in the coking waste gas.
Description
Technical field
The utility model is related to petrochemical field, in particular it relates to a kind of device of coking exhaust-gas treatment.
Background technology
In the prior art, it is to the coke cooling water tank deck waste gas processing method in coking plant：Using " alkali wash desulfurization+low
The technology of warm diesel oil absorption VOC+ charcoal absorption residual odors gas ", carries out the comprehensive regulation, specially to foul gas：Tank
Top gas body first passes through cooling, into desulfurizer, the sulfide in removing gas is inversely contacted with desulfurizing agent, then connect with cold diesel oil
The hydrocarbon gas in removing gas are touched, absorbent charcoal adsorption tank absorption is eventually passed.
Demarcate Gas result after above-mentioned deodorizing system before processing is：H in waste gas before deodorization2S concentration be respectively 400ppm,
1700ppm, 1200ppm, H in waste gas after taking off2S concentration is respectively 0,3.04mg/m3, 0, H in waste gas before and after deodorization2S concentration exists
In the range of design objective, desulfurization is qualified；Before deodorization in waste gas NMHC in 20000~30000mg/m3, waste gas after deodorization
Middle NMHC is in 15000~25000mg/m3, it is impossible to meet discharge index (de- rear waste gas ≯ 100mg/m3), non-methane is total
It is unqualified after hydrocarbon deodorization.
Utility model content
The purpose of this utility model is to reduce the discharge of VOC in coke cooling water in coking plant, carrying
For a kind of device of coking exhaust-gas treatment.
To achieve these goals, the utility model provides a kind of device of coking exhaust-gas treatment, wherein, described device bag
Heating furnace, coke drum, coke cooling water tank and desulfurizer are included, the heating furnace is connected with the bottom of towe entrance of the coke drum, described
The tower top coke cooling water outlet of coke drum is connected with the coke cooling water tank, tank deck gaseous phase outlet and the desulfurization of the coke cooling water tank
Device is connected, and the desulfurizer is connected with the fuel port of the heating furnace.
Preferably, the coke cooling water tank is connected with the coke cooling water entrance of the coke drum.
Preferably, it is additionally provided with gas compressor on the pipeline between the desulfurizer and heating furnace.
Preferably, the gas compressor is helical-lobe compressor.
Preferably, frequency converter and pressure gauge are provided with the gas compressor.
Preferably, it is additionally provided with air blower on the pipeline between the gas compressor and heating furnace.
Preferably, described device contains 2 coke drums, and two coke drums to be arranged in parallel.
Preferably, the desulfurizer is caustic wash desulfuration device.
Device described in the utility model utilizes existing equipment to greatest extent, realizes the volatile organic compound in coking waste gas
Thing (VOC) zero-emission.
Other features and advantages of the utility model will be described in detail in subsequent specific embodiment part.
Brief description of the drawings
Accompanying drawing is further understood to of the present utility model for providing, and constitutes a part for specification, and following
Specific embodiment be used to explain the utility model together, but do not constitute to limitation of the present utility model.In the accompanying drawings：
Fig. 1 is a kind of device of the treatment coking waste gas of preferred embodiment of the present utility model.
Description of reference numerals
1 heating furnace；2 coke drums；
3 coke cooling water tanks；4 desulfurizers；
5 gas compressors；51 frequency converters；
52 pressure gauges；6 air blowers.
Specific embodiment
Specific embodiment of the present utility model is described in detail below.It should be appreciated that described herein
Specific embodiment is merely to illustrate and explains the utility model, is not limited to the utility model.
The utility model provides a kind of device of coking exhaust-gas treatment, wherein, as shown in figure 1, described device includes adding
Hot stove 1, coke drum 2, coke cooling water tank 3 and desulfurizer 4, the heating furnace 1 are connected with the bottom of towe entrance of the coke drum 2, institute
The tower top coke cooling water outlet for stating coke drum 2 is connected with the coke cooling water tank 3, the tank deck gaseous phase outlet of the coke cooling water tank 3 and institute
State desulfurizer 4 to connect, the desulfurizer 4 is connected with the fuel port of the heating furnace 1.
In said apparatus, the coking raw material carries out pyrogenetic reaction after heating furnace 1 is heated into coke drum 2, from
The coke cooling water of the tower top coke cooling water outlet discharge of coke drum 2 enters coke cooling water tank 3, is arranged from the tank deck gaseous phase outlet of coke cooling water tank 3
The coking waste gas for going out carries out desulfurization process into desulfurizer 4, and the coking waste gas by desulfurization process enters the fuel of heating furnace 1
Mouthful, as the fuel combustion of heating furnace 1, the organic gas in removal coking waste gas.Temperature after the coking raw material heating can
Think 490-500 DEG C.
In the utility model, the coking raw material can be decompression residuum.
In the utility model, for abundant Available water resources, water resources consumption, under preferable case, cold Jiao are reduced
Water pot 3 is connected with the coke cooling water entrance of the coke drum 2.Under the preferable case, the coke cooling water in coke cooling water tank 3 enters coke
Tower 2 is recycled, and has saved water resource.
According to a kind of preferred embodiment of the present utility model, on the pipeline between the desulfurizer 4 and heating furnace 1
It is also provided with gas compressor 5.The gas compressor 5 makes gas produce pressure, so as to flow into heating furnace 1.
In the utility model, frequency converter 51 and pressure gauge 52 are also provided with the gas compressor 5.The frequency conversion
Device 51 is used for the pressure for controlling gas compressor 5 to produce gas, and gas pressure is monitored by the pressure gauge 52.
To gas pressure, there is no particular limitation in the utility model, can be the conventional selection in this area, as long as can make
Gas flows into heating furnace 1, and such as gas pressure can be 0.05-0.1MPa." pressure " refers to gauge pressure.
In the utility model, to the selection of the gas compressor 5, there is no particular limitation, as long as pressure can be produced to gas
Power, can be the conventional selection of this area, such as described gas compressor 5 is helical-lobe compressor.
According to a kind of preferred embodiment of the present utility model, on the pipeline between the gas compressor 5 and heating furnace 1
It is additionally provided with air blower 6.The air blower 6 is used to for coking waste gas to send into heating furnace 1.
In the utility model, to the number of coke drum in described device 2, there is no particular limitation, can be the normal of this area
Rule selection, such as described device contains 2 coke drums 2, and two coke drums 2 to be arranged in parallel.
In the utility model, to the selection of the desulfurizer, there is no particular limitation, as long as can be effective to coking waste gas
Desulfurization, can be the conventional selection of this area.Under preferable case, the desulfurizer 4 is caustic wash desulfuration device.
According to a kind of preferred embodiment of the present utility model, as shown in figure 1, the heated stove 1 of coking raw material heat it is laggard
Entering coke drum 2 carries out pyrogenetic reaction, and the coke cooling water in coke drum 2 exits into coke cooling water tank 3 from tower top, from coke cooling water tank 3
The coking waste gas of tank deck gaseous phase outlet discharge carries out desulfurization process into desulfurizer 4, is passed through by the coking waste gas of desulfurization process
The fuel port for being passed through heating furnace 1 after gas compressor 5 is pressurized by air blower 6 is crossed, as the fuel combustion of heating furnace 1, removal
Organic gas in coking waste gas；Coke cooling water in coke cooling water tank 3 is recycled into coke drum 2.
The utility model will be below described in detail by embodiment.In following examples, the content of VOC in gas
The ppbRAE3000 types detector produced by RAE companies is determined.Coking raw material is the decompression from Yanshan Petrochemical distilling apparatus
Residual oil.
Embodiment 1
The present embodiment is implemented in device as shown in Figure 1.
After the heated stove 1 of heavy oil is heated to 495 DEG C, pyrogenetic reaction, the coke cooling water in coke drum 2 are carried out into coke drum 2
Coke cooling water tank 3 is exited into from tower top, the gas a discharged from the tank deck gaseous phase outlet of coke cooling water tank 3 is carried out into desulfurizer 4
Desulfurization process, after the gas of desulfurization process is pressurized to 0.1MPa through gas compressor 5, heating furnace 1 are passed through by air blower 6
Fuel port, used as the fuel combustion of heating furnace 1, the organic gas in removal gas puts the gas b removed after organic gas
It is empty；Coke cooling water in coke cooling water tank 3 is recycled into coke drum 2.
It is 25000mg/m to determine the VOC content in gas a3, the VOC content in gas b is 0.
Comparative example 1
After the heated stove 1 of heavy oil is heated to 495 DEG C, pyrogenetic reaction, the coke cooling water in coke drum 2 are carried out into coke drum 2
Coke cooling water tank 3 is exited into from tower top, the gas a discharged from the tank deck gaseous phase outlet of coke cooling water tank 3 is carried out into desulfurizer 4
Desulfurization process, absorb VOC and obtain gas c by the gas of desulfurization process through low temperature diesel oil.
It is 25000mg/m to determine the VOC content in gas a3, the VOC content in gas c is 20000mg/m3。
By the result of embodiment 1 and comparative example 1 can be seen that device described in the utility model maximally utilise it is existing
Equipment, reduces project investment, reduces the VOC emission in coke cooling water tank deck gas, or even realize VOC emission zero-emission.
Preferred embodiment of the present utility model described in detail above, but, the utility model is not limited to above-mentioned reality
The detail in mode is applied, in range of the technology design of the present utility model, the technical solution of the utility model can be entered
The various simple variants of row, these simple variants belong to protection domain of the present utility model.
It is further to note that each particular technique feature described in above-mentioned specific embodiment, in not lance
In the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the utility model is to each
Possible combination is planted no longer separately to illustrate.
Additionally, can also be combined between a variety of implementation methods of the present utility model, as long as it is not disobeyed
Thought of the present utility model is carried on the back, it should equally be considered as content disclosed in the utility model.
Claims (8)
1. a kind of device of coking exhaust-gas treatment, it is characterised in that described device includes heating furnace (1), coke drum (2), cold Jiao
Water pot (3) and desulfurizer (4), the heating furnace (1) connect with the bottom of towe entrance of the coke drum (2), the coke drum (2)
The outlet of tower top coke cooling water connected with the coke cooling water tank (3), the tank deck gaseous phase outlet of the coke cooling water tank (3) and the desulfurization
Device (4) is connected, and the desulfurizer (4) connects with the fuel port of the heating furnace (1).
2. device according to claim 1, it is characterised in that cold Jiao of the coke cooling water tank (3) and the coke drum (2)
Water inlet is connected.
3. device according to claim 1 and 2, it is characterised in that between the desulfurizer (4) and heating furnace (1)
Pipeline on be additionally provided with gas compressor (5).
4. device according to claim 3, it is characterised in that the gas compressor (5) is helical-lobe compressor.
5. device according to claim 3, it is characterised in that be provided with frequency converter (51) on the gas compressor (5)
With pressure gauge (52).
6. device according to claim 3, it is characterised in that between the gas compressor (5) and heating furnace (1)
Air blower (6) is additionally provided with pipeline.
7. device according to claim 1 and 2, it is characterised in that described device contains 2 coke drums (2), and two Jiao
Charcoal tower (2) is to be arranged in parallel.
8. device according to claim 1 and 2, it is characterised in that the desulfurizer (4) is caustic wash desulfuration device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621118301.5U CN206191609U (en) | 2016-10-12 | 2016-10-12 | Coking exhaust -gas treatment's device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621118301.5U CN206191609U (en) | 2016-10-12 | 2016-10-12 | Coking exhaust -gas treatment's device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206191609U true CN206191609U (en) | 2017-05-24 |
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ID=58730968
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621118301.5U Active CN206191609U (en) | 2016-10-12 | 2016-10-12 | Coking exhaust -gas treatment's device |
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| CN (1) | CN206191609U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108006669A (en) * | 2018-01-15 | 2018-05-08 | 鞍山华泰环能工程技术有限公司 | A kind of VOC gas processing system and method |
-
2016
- 2016-10-12 CN CN201621118301.5U patent/CN206191609U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108006669A (en) * | 2018-01-15 | 2018-05-08 | 鞍山华泰环能工程技术有限公司 | A kind of VOC gas processing system and method |
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