CN217220869U - Coke device flue gas emission oxygen content monitoring control system - Google Patents
Coke device flue gas emission oxygen content monitoring control system Download PDFInfo
- Publication number
- CN217220869U CN217220869U CN202123161399.6U CN202123161399U CN217220869U CN 217220869 U CN217220869 U CN 217220869U CN 202123161399 U CN202123161399 U CN 202123161399U CN 217220869 U CN217220869 U CN 217220869U
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- CN
- China
- Prior art keywords
- connecting pipe
- flue gas
- oxygen content
- flap valve
- calcining furnace
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- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 42
- 239000003546 flue gas Substances 0.000 title claims abstract description 42
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 36
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 36
- 239000001301 oxygen Substances 0.000 title claims abstract description 36
- 238000012544 monitoring process Methods 0.000 title claims abstract description 25
- 239000000571 coke Substances 0.000 title claims abstract description 20
- 238000001354 calcination Methods 0.000 claims abstract description 29
- 230000003009 desulfurizing effect Effects 0.000 claims abstract description 21
- 239000000428 dust Substances 0.000 claims description 10
- 239000002918 waste heat Substances 0.000 claims description 9
- 239000000523 sample Substances 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 4
- 239000002006 petroleum coke Substances 0.000 abstract description 6
- 238000002485 combustion reaction Methods 0.000 abstract description 4
- 239000003517 fume Substances 0.000 abstract description 3
- 210000001503 joint Anatomy 0.000 abstract description 2
- 238000005242 forging Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 3
- 239000000779 smoke Substances 0.000 description 3
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 229910052787 antimony Inorganic materials 0.000 description 1
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000011133 lead Substances 0.000 description 1
- 239000002932 luster Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000004449 solid propellant Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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- Chimneys And Flues (AREA)
Abstract
The utility model discloses a coke plant fume emission oxygen content monitoring control system, including the burning furnace that forges who sets gradually, exhaust-heat boiler, draught fan and desulfurizing tower, forge the furnace, exhaust-heat boiler, loop through first connecting pipe intercommunication cooperation between draught fan and the desulfurizing tower, exhaust-heat boiler, the outside of first connecting pipe between the draught fan is provided with the entry flap valve, the draught fan, the outside of first connecting pipe between the desulfurizing tower is connected with the second connecting pipe, the front of forging the furnace is provided with the burning furnace fire-seeing mouth that forges of butt joint inner chamber, it passes through branch pipe intercommunication second connecting pipe to forge burning furnace fire-seeing mouth, the outside of second connecting pipe is provided with adjusts the flap valve, the outside of branch pipe is provided with the distribution flap valve. The utility model discloses the technical scheme who adopts is with the higher flue gas reuse of high temperature and oxygen content, gets into the volatile mixed combustion in petroleum coke calcining furnace and the stove, and oxygen content reduces in the burning back flue gas to ensure that coke processingequipment fume emission is up to standard.
Description
Technical Field
The utility model relates to a coke processingequipment flue gas oxygen concentration control technical field, concretely relates to coke device flue gas emission oxygen content monitoring control system.
Background
As is known, coke is a kind of solid fuel, obtained by dry distillation of coal at a high temperature of about 1000 ℃, and comprises mainly fixed carbon and secondly ash, which contains few volatile components and sulfur, is silver gray, has metallic luster, is hard and porous. The coke is mainly used for blast furnace ironmaking and blast furnace smelting of nonferrous metals such as copper, lead, zinc, titanium, antimony, mercury and the like, and can play the roles of a reducing agent, a heating agent and a material column framework.
However, the flue gas treatment measures of the existing coke processing device can only control indexes such as smoke dust, sulfur dioxide and the like, and can not effectively control oxygen content indexes, so that the final discharged flue gas can not reach the standard due to overhigh oxygen content. In view of the above problems, the utility model relates to a coke device flue gas emission oxygen content monitoring control system.
SUMMERY OF THE UTILITY MODEL
In order to overcome prior art's above-mentioned defect, the embodiment of the utility model provides a coke device flue gas emission oxygen content monitoring control system, with the higher flue gas reuse of high temperature and oxygen content, get into the volatile mixed combustion in petroleum coke calcining furnace and the stove, oxygen content reduces in the burning back flue gas to propose current emission flue gas because of the too high problem that can't reach standard of oxygen content among the above-mentioned background art of solution.
In order to achieve the aim, the coke device flue gas exhaust oxygen content monitoring and controlling system comprises a calcining furnace, a waste heat boiler, an induced draft fan and a desulfurizing tower which are arranged in sequence, the calcining furnace, the waste heat boiler, the induced draft fan and the desulfurizing tower are communicated and matched in sequence through a first connecting pipe, a feed hopper is arranged at the upper end of the calcining furnace, an inlet flap valve is arranged at the outer side of a first connecting pipe between the waste heat boiler and the induced draft fan, the outer side of the first connecting pipe between the induced draft fan and the desulfurizing tower is connected with a second connecting pipe, the front side of the calcining furnace is provided with a calcining furnace flame viewing port which is butted with the inner cavity, the flame viewing port of the calcining furnace is communicated with a second connecting pipe through a branch pipe, the outer side of the second connecting pipe is provided with an adjusting flap valve, and an air distribution flap valve is arranged on the outer side of the branch pipe, and a wet electric dust collector is arranged at the position of an air outlet at the upper end of the desulfurizing tower.
Preferably, the front surface of the calcining furnace is provided with an access door which is butted with the inner cavity, the access door is connected with the calcining furnace through a hinge and a lock catch, and the front surface of the access door is provided with a control panel.
Preferably, the control panel is composed of a display screen and a switch group, and the switch group comprises an inlet flap valve, an adjusting flap valve and a switch of an air distribution flap valve.
Preferably, the connection ends of the first connection pipe, the second connection pipe and the branch pipe are all provided with a sealing ring structure.
Preferably, the outer side of the desulfurizing tower is further provided with a chimney, the wet electric dust collector is arranged at the bottom of the chimney, a smoke monitoring port is formed in the upper end of the chimney, and an oxygen probe is arranged in the smoke monitoring port.
The utility model discloses a technological effect and advantage:
the utility model discloses the technical scheme who adopts is through fixed oxygen content in the flue gas monitoring mouth in the chimney real-time monitoring exhaust, reuse high temperature and the higher flue gas of oxygen content under the too high condition of oxygen content, get into the volatile mixed combustion in petroleum coke calcining furnace and the stove, oxygen content reduces and discharges again in the flue gas after the burning, the unable effective control's of oxygen content problem that can exist among the prior art, ensure that coke processingequipment fume emission is up to standard, the risk and the economic loss of enterprise because of environmental protection problem brings have been avoided. The utility model discloses holistic structure sets up simple reasonable, and practical function is good, is worth current market and uses widely.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is an enlarged schematic view of a structure in fig. 1 according to the present invention.
Fig. 3 is an enlarged schematic view of the structure at B in fig. 1 according to the present invention.
The reference signs are:
1-a calcining furnace, 101-an access door, 102-a control panel, 2-a waste heat boiler, 3-an induced draft fan, 4-a desulfurizing tower, 5-a first connecting pipe, 6-a feed hopper, 7-an inlet flap valve, 8-a second connecting pipe, 9-a calcining furnace fire watching port, 10-a branch pipe, 11-an adjusting flap valve, 12-an air distribution flap valve, 13-a wet electric dust collector, 1301-a chimney and 1302-a flue gas monitoring port.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the coke device flue gas emission oxygen content monitoring and control system comprises a calciner 1, a waste heat boiler 2, an induced draft fan 3 and a desulfurizing tower 4 which are sequentially arranged, the calciner 1, the waste heat boiler 2, the induced draft fan 3 and the desulfurizing tower 4 are sequentially communicated and matched through a first connecting pipe 5, a feed hopper 6 is arranged at the upper end of the calciner 1, an inlet flap valve 7 is arranged at the outer side of the first connecting pipe 5 between the waste heat boiler 2 and the induced draft fan 3, a second connecting pipe 8 is connected at the outer side of the first connecting pipe 5 between the induced draft fan 3 and the desulfurizing tower 4, a calciner fire sight 9 butted with an inner cavity of the calciner is arranged at the front side of the calciner 1, and the flame viewing port 9 of the calcining furnace is communicated with a second connecting pipe 8 through a branch pipe 10, the outer side of the second connecting pipe 8 is provided with an adjusting flap valve 11, the outer side of the branch pipe 10 is provided with an air distribution flap valve 12, and the air outlet position at the upper end of the desulfurizing tower 4 is provided with a wet electric dust collector 13.
Specifically, the front side of the calcining furnace 1 is provided with an access door 101 of a butt joint inner cavity, the access door 101 is connected with the calcining furnace 1 through a hinge and a lock catch, the subsequent overhaul and maintenance are conveniently carried out on the interior of the calcining furnace 1, the access door 101 is provided with a control panel 102 in the front side, the control panel 102 is composed of a display screen and a switch group, the switch group comprises an inlet flap valve 7, an adjusting flap valve 11 and an air distribution flap valve 12, and the electric elements can be rapidly controlled and operated through the switch.
Specifically, the connecting ends of the first connecting pipe 5, the second connecting pipe 8 and the branch pipe 10 are provided with sealing ring structures, so that the connecting and sealing effects of the pipelines are improved.
Specifically, a chimney 1301 is further arranged on the outer side of the desulfurizing tower 4, the wet electric dust collector 13 is arranged at the bottom of the chimney 1301, a flue gas monitoring port 1302 is arranged at the upper end of the chimney 1301, and an aerobic probe is arranged in the flue gas monitoring port 1302; an oxygen probe in the flue gas monitoring port 1302 detects the oxygen content of the flue gas in the flue, and the air distribution flap valve 12 is adjusted by matching with a switch group.
The embodiment of the utility model is that: the utility model discloses when using, it is coke processingequipment's main part to forge burning furnace 1, and the high temperature flue gas of its production gets into 2 output steam of exhaust-heat boiler under the effect of draught fan 3, and flue gas wherein gets into desulfurizing tower 4, wet electric dust collector 13 and carry out desulfurization dust removal treatment after through draught fan 3 and get into chimney 1301 and arrange outward, and chimney 1301 is equipped with the oxygen content in the flue gas can be monitored to flue gas monitoring mouth 1302. In addition, the induced draft fan 3 can control the air volume by adjusting the frequency conversion so as to provide the negative pressure of the petroleum coke calcining furnace 1, one part of the flue gas discharged by the induced draft fan 3 enters the desulfurizing tower 4 through the first connecting pipe 5, the other part of the flue gas circulates through the second connecting pipe 8, and when the device is used, the adjusting flap valve 11 at the outer side of the second connecting pipe 8 and the air distribution flap valve 12 at the outer side of the branch pipe 10 can be opened, so that the gas is distributed to a flame path in the calcining furnace fire observation port 9 at the first layer of the petroleum coke calcining furnace 1. When the oxygen probe in the flue gas monitoring port 1302 detects that the oxygen content of the flue gas in the flue is larger, the large air distribution flap valve 12 can be opened, the flue gas with higher oxygen content is reused to enter the petroleum coke calcining furnace 1 to be mixed and combusted with volatile matters in the furnace, and the oxygen content in the flue gas is reduced after combustion; on the contrary, when the oxygen content in the flue gas detected by the oxygen probe in the flue gas monitoring port 1302 is reduced to the allowable range, the air distribution flap valve 12 may be reduced.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed; secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other; and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. Coke plant flue gas emission oxygen content monitor control system, including calcining furnace (1), exhaust-heat boiler (2), draught fan (3) and desulfurizing tower (4) that set gradually, its characterized in that: the device is characterized in that the calcining furnace (1), the waste heat boiler (2), the induced draft fan (3) and the desulfurizing tower (4) are communicated and matched through a first connecting pipe (5) in sequence, a feed hopper (6) is arranged at the upper end of the calcining furnace (1), an inlet flap valve (7) is arranged on the outer side of the first connecting pipe (5) between the waste heat boiler (2) and the induced draft fan (3), a second connecting pipe (8) is connected with the outer side of the first connecting pipe (5) between the induced draft fan (3) and the desulfurizing tower (4), a calcining furnace fire watching port (9) which is butted with an inner cavity is arranged on the front surface of the calcining furnace (1), the calcining furnace fire watching port (9) is communicated with the second connecting pipe (8) through a branch pipe (10), an adjusting flap valve (11) is arranged on the outer side of the second connecting pipe (8), and an air distribution flap valve (12) is arranged on the outer side of the branch pipe (10), and a wet electric dust collector (13) is arranged at the air outlet position at the upper end of the desulfurizing tower (4).
2. The coke plant flue gas exhaust oxygen content monitoring and control system of claim 1, wherein: the front side of the calcining furnace (1) is provided with an access door (101) which is butted with the inner cavity, the access door (101) is connected with the calcining furnace (1) through a hinge and a lock catch, and the front side of the access door (101) is provided with a control panel (102).
3. The coke plant flue gas exhaust oxygen content monitoring and control system of claim 2, wherein: the control panel (102) is composed of a display screen and a switch group, and the switch group comprises an inlet flap valve (7), an adjusting flap valve (11) and a switch of an air distribution flap valve (12).
4. The coke plant flue gas exhaust oxygen content monitoring and control system of claim 1, wherein: and the connecting ends of the first connecting pipe (5), the second connecting pipe (8) and the branch pipe (10) are all provided with sealing ring structures.
5. The coke plant flue gas exhaust oxygen content monitoring and control system of claim 1, wherein: the outer side of the desulfurizing tower (4) is also provided with a chimney (1301), the wet electric dust collector (13) is arranged at the bottom of the chimney (1301), the upper end of the chimney (1301) is provided with a flue gas monitoring port (1302), and an aerobic probe is arranged in the flue gas monitoring port (1302).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123161399.6U CN217220869U (en) | 2021-12-15 | 2021-12-15 | Coke device flue gas emission oxygen content monitoring control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123161399.6U CN217220869U (en) | 2021-12-15 | 2021-12-15 | Coke device flue gas emission oxygen content monitoring control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217220869U true CN217220869U (en) | 2022-08-19 |
Family
ID=82825215
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123161399.6U Active CN217220869U (en) | 2021-12-15 | 2021-12-15 | Coke device flue gas emission oxygen content monitoring control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217220869U (en) |
-
2021
- 2021-12-15 CN CN202123161399.6U patent/CN217220869U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Monitoring and control system for oxygen content in flue gas emissions from coke plants Effective date of registration: 20230426 Granted publication date: 20220819 Pledgee: Zibo Linzi District Qisheng Investment Management Co.,Ltd. Pledgor: SHANDONG QINGYISHAN PETROCHEMICAL TECHNOLOGY CO.,LTD.|SHANDONG FANGYU LUBRICANT CO.,LTD.|SHANDONG QINGYUAN GROUP Co.,Ltd.|SHANDONG QINGYUAN PETROCHEMICAL Co.,Ltd. Registration number: Y2023980038975 |
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| PP01 | Preservation of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20231110 Granted publication date: 20220819 |
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| PD01 | Discharge of preservation of patent | ||
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Date of cancellation: 20240319 Granted publication date: 20220819 |
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Effective date of registration: 20240319 Granted publication date: 20220819 |