CN113731331A - Wet process biological desulfurization reaction unit - Google Patents
Wet process biological desulfurization reaction unit Download PDFInfo
- Publication number
- CN113731331A CN113731331A CN202111049240.7A CN202111049240A CN113731331A CN 113731331 A CN113731331 A CN 113731331A CN 202111049240 A CN202111049240 A CN 202111049240A CN 113731331 A CN113731331 A CN 113731331A
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- Prior art keywords
- biological
- biological reaction
- coal
- jar
- casing
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- 238000006243 chemical reaction Methods 0.000 title claims abstract description 52
- 238000006477 desulfuration reaction Methods 0.000 title claims abstract description 27
- 230000023556 desulfurization Effects 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 title abstract description 9
- 239000000463 material Substances 0.000 claims abstract description 8
- 239000002068 microbial inoculum Substances 0.000 claims abstract description 7
- 238000005273 aeration Methods 0.000 claims abstract description 6
- 238000002156 mixing Methods 0.000 claims abstract description 4
- 238000003756 stirring Methods 0.000 claims description 18
- 239000000843 powder Substances 0.000 claims description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 8
- 229910052799 carbon Inorganic materials 0.000 claims description 6
- 238000005070 sampling Methods 0.000 claims description 6
- 239000002893 slag Substances 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims 2
- 239000003245 coal Substances 0.000 abstract description 34
- 238000002485 combustion reaction Methods 0.000 abstract description 12
- 230000007613 environmental effect Effects 0.000 abstract description 3
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 7
- 229910052717 sulfur Inorganic materials 0.000 description 7
- 239000011593 sulfur Substances 0.000 description 7
- 239000003124 biologic agent Substances 0.000 description 4
- 238000010298 pulverizing process Methods 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 230000000813 microbial effect Effects 0.000 description 2
- 241000251131 Sphyrna Species 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000010517 secondary reaction Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000001694 spray drying Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/18—Stationary reactors having moving elements inside
- B01J19/1868—Stationary reactors having moving elements inside resulting in a loop-type movement
- B01J19/1881—Stationary reactors having moving elements inside resulting in a loop-type movement externally, i.e. the mixture leaving the vessel and subsequently re-entering it
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0053—Details of the reactor
- B01J19/0066—Stirrers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/02—Disintegrating by mills having rotary beater elements ; Hammer mills with horizontal rotor shaft
- B02C13/06—Disintegrating by mills having rotary beater elements ; Hammer mills with horizontal rotor shaft with beaters rigidly connected to the rotor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/26—Details
- B02C13/282—Shape or inner surface of mill-housings
- B02C13/284—Built-in screens
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L9/00—Treating solid fuels to improve their combustion
- C10L9/02—Treating solid fuels to improve their combustion by chemical means
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L2290/00—Fuel preparation or upgrading, processes or apparatus therefore, comprising specific process steps or apparatus units
- C10L2290/44—Deacidification step, e.g. in coal enhancing
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- General Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention relates to a wet biological desulfurization reaction device, which comprises a crusher, a microbial inoculum tank and a biological reaction tank, wherein the crusher comprises a shell, one side of the shell is provided with a feed inlet, a rotating roller is arranged in the shell, a plurality of hammer handles are arranged in the circumferential direction of the rotating roller, one end of each hammer handle is rotatably provided with a hammer head, an arc-shaped sieve plate is arranged below the rotating roller, a plurality of material holes are formed in the sieve plate, and the bottom of the shell is provided with a discharge outlet; the biological reaction jar in be equipped with the (mixing) shaft, the bottom is equipped with leaks hopper-shaped discharge gate, biological reaction jar top be equipped with the charge door, the charge door pass through pipe connection microbial inoculum jar, biological reaction jar inner wall be equipped with a plurality of aeration pipes and steam pipe. Compared with the prior art, the invention has the advantages that: the desulfurization before combustion of the coal does not influence the normal operation of the processing process of the coal, does not limit the subsequent application of the coal, and meets the requirement of environmental protection.
Description
Technical Field
The invention relates to the field of coal desulfurization, in particular to a wet biological desulfurization reaction device.
Background
The sulfur content of main coal mining areas in China shows a continuous increasing trend, sulfur in coal is not only unfavorable for conversion processing of coal, but also produces a large amount of SO2 gas and causes serious pollution to the environment because the main utilization mode of coal is direct combustion.
Currently, the desulfurization of coal is mainly divided into pre-combustion desulfurization, solid sulfur in combustion and post-combustion desulfurization. The desulfurization in coal combustion is mainly characterized in that a certain sulfur fixing agent is added into coal, sulfur-containing substances such as SO2 and the like are fixed in coal slag in the coal combustion process, but the temperature of a hearth must be limited in the sulfur fixing in the coal combustion, SO that the coal is influenced, the utilization efficiency of carbon is greatly reduced, and the desulfurization efficiency of the method is lower; the desulfurization technology after coal combustion, such as spray drying flue gas desulfurization, wet flue gas desulfurization and the like, has higher desulfurization efficiency than that in coal combustion, but has quite complex process, high investment and operation cost and larger occupied area, so the method is limited and not beneficial to wide application. The desulfurization before the coal combustion does not affect the normal operation of the processing process of the coal, and the subsequent application of the coal is not limited, but the efficiency in the aspect of removing the sulfur in the coal is low, and the requirement of environmental protection is difficult to meet.
Disclosure of Invention
The invention aims to solve the technical problems and provides a wet biological desulfurization reaction device.
In order to solve the technical problems, the technical scheme provided by the invention is as follows: a wet biological desulfurization reaction device comprises a pulverizer, a microbial agent tank and a biological reaction tank, wherein the pulverizer comprises a casing, a feed inlet is formed in one side of the casing, a rotary roller is arranged inside the casing, a plurality of hammer handles are arranged in the circumferential direction of the rotary roller, a hammer head is arranged at one end of each hammer handle in a rotating mode, a plurality of protrusions are arranged in the circumferential direction of the hammer head, an arc-shaped sieve plate is arranged below the rotary roller, a plurality of material holes are formed in the sieve plate, a material discharge port is formed in the bottom of the casing, and the material discharge port is connected with a powder inlet of the biological reaction tank through a pipeline;
the biological reaction jar in be equipped with the (mixing) shaft, the bottom is equipped with leaks hopper-shaped discharge gate, biological reaction jar top be equipped with the charge door, the charge door pass through pipe connection microbial inoculum jar, biological reaction jar top be equipped with the circulating pipe, the bottom is equipped with the outlet pipe, the one end of outlet pipe connect the circulating pipe, biological reaction jar inner wall be equipped with a plurality of aeration pipes and steam pipe.
Furthermore, the feed inlet slope set up, and inside perpendicular baffle that is equipped with, the upper end of baffle rotate through the pivot and set up the top at the feed inlet.
Furthermore, the two sides of the casing are provided with mounting blocks matched with the sieve plate, one side of the casing is provided with a pneumatic rod device, and the pneumatic rod device is connected with the sieve plate and drives the sieve plate to move between the two mounting blocks.
Furthermore, the stirring shaft on be equipped with multiunit stirring fan blade, stirring fan blade rib structure, design the stirring like this, and be difficult for remaining the product on the stirring fan blade.
Furthermore, the bottom of the biological reaction tank is provided with a carbon residue pipe, the carbon residue pipe and the water outlet pipe are both provided with sampling ports, and after the coal powder reacts with the biological agent for a period of time, the coal powder can be sampled to observe the reaction condition.
Furthermore, a feeding pump is arranged on the pipeline.
Compared with the prior art, the invention has the advantages that:
1. the pulverizer is used for pulverizing coal, and the hammer handle is provided with the protrusions, so that the pulverizing effect is better, and the coal is not easy to be blocked in the pulverizer;
2. set up the circulating pipe in biological reaction jar, after reacting a period, use the sample connection to take a sample the inspection, when the discovery reaction is incomplete, can use the circulating pipe cooperation (mixing) shaft to react once more, the result of use is better.
The invention carries out pre-combustion desulfurization on coal, not only can not influence the normal operation of the processing process of the coal, but also can not limit the subsequent application of the coal, and also can meet the requirement of environmental protection.
Drawings
FIG. 1 is a schematic structural diagram of a wet biological desulfurization reaction apparatus according to the present invention.
As shown in the figure: 1. a pulverizer; 2. a microbial inoculum tank; 3. a biological reaction tank; 4. a housing; 5. a feed inlet; 501. a baffle plate; 6. Rotating the roller; 7. a hammer handle; 8. a hammer head; 9. a protrusion; 10. a sieve plate; 101. mounting blocks; 11. material holes; 12. a discharge outlet; 13. A pipeline; 14. a powder inlet; 15. a stirring shaft; 151. a stirring fan blade; 16. a discharge port; 17. a feed inlet; 18. a circulation pipe; 19. a water outlet pipe; 20. an aeration pipe; 21. a steam pipe; 22. a gas pressure lever device; 23. a carbon slag pipe; 24. a sampling port.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the term "connected" is to be interpreted broadly, e.g. as a fixed connection, a detachable connection, or an integral connection; the specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The working principle of the invention is as follows: a wet biological desulfurization reaction device comprises a pulverizer 1, a microbial inoculum tank 2 and a biological reaction tank 3, wherein the pulverizer 1 comprises a shell 4, one side of the shell 4 is provided with a feed inlet 5, a rotary roller 6 is arranged in the shell, the feed inlet 5 is obliquely arranged, a baffle 501 is vertically arranged in the shell, and the upper end of the baffle 501 is rotatably arranged above the feed inlet 5 through a rotary shaft, so that when coal enters the shell, the baffle can prevent the coal from splashing outwards during pulverization, and the scattering of dust during pulverization can be reduced to a certain extent;
the rotary roller 6 is provided with a plurality of hammer handles 7 in the circumferential direction, one end of each hammer handle 7 is rotatably provided with a hammer 8, a plurality of protrusions 9 are arranged in the circumferential direction of each hammer 8, an arc-shaped screen plate 10 is arranged below the rotary roller 6, a plurality of material holes 11 are formed in each screen plate 10, mounting blocks 101 matched with the screen plates 10 are arranged on two sides of the shell 4, a pneumatic rod device 22 is arranged on one side of the shell 4, the pneumatic rod device 22 is connected with the screen plates 10 and drives the screen plates 10 to move back and forth between the two mounting blocks 101, and when the pneumatic rod device opens the east, the screen plates are driven to rock between the two mounting blocks 101, so that the distance between the cover hammer heads and the drying plate can be increased, the crushing is accelerated, and crushed coal can be discharged into a discharge port from the material holes;
the bottom of the machine shell 4 is provided with a discharge outlet 12, and the discharge outlet 12 is connected with a powder inlet 14 of the biological reaction tank 3 through a pipeline 13;
the biological reaction tank 3 is internally provided with a stirring shaft 15, the bottom of the biological reaction tank is provided with a funnel-shaped discharge port 16, the stirring shaft 15 is provided with a plurality of groups of stirring fan blades 151, the stirring fan blades 151 are of umbrella rib structures, so that biological agents and coal powder are fully mixed by using the stirring shaft, and the stirring fan blades are arranged into the umbrella rib structures, so that the dropping of the coal powder and the biological agents is not influenced and the coal powder and the biological agents are not accumulated on the stirring fan blades while the stirring effect is ensured;
a feed inlet 17 is arranged above the biological reaction tank 3, the feed inlet 17 is connected with the microbial agent tank 2 through a pipeline 13, a circulating pipe 18 is arranged above the biological reaction tank 3, a water outlet pipe 19 is arranged at the bottom of the biological reaction tank, one end of the water outlet pipe 19 is connected with the circulating pipe 18, a plurality of aeration pipes 20 and steam pipes 21 are arranged on the inner wall of the biological reaction tank 3, oxygen is supplemented by using the aeration pipes during reaction, and steam is sent into the biological reaction tank by using the steam pipes to control the reaction temperature;
the bottom of the biological reaction tank 3 is provided with a carbon slag pipe 23, the carbon slag pipe 23 and the water outlet pipe 19 are both provided with a sampling port 24, the sampling port is used for sampling and detecting, when the requirement is met, the reactant in the biological reaction tank is discharged for the next procedure, and when the reaction is insufficient, the circulating pipe is used for spraying again for secondary reaction.
And a feeding pump is arranged on the pipeline 13.
The present invention and its embodiments have been described above, and the description is not intended to be limiting, and the drawings are only one embodiment of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (6)
1. A wet biological desulfurization reaction device is characterized in that: the biological reaction tank comprises a pulverizer (1), a microbial inoculum tank (2) and a biological reaction tank (3), wherein the pulverizer (1) comprises a casing (4), a feed inlet (5) is formed in one side of the casing (4), a rotary roller (6) is arranged inside the casing, a plurality of hammer handles (7) are arranged in the circumferential direction of the rotary roller (6), a hammer head (8) is arranged at one end of each hammer handle (7) in a rotating mode, a plurality of protrusions (9) are arranged in the circumferential direction of the hammer head (8), an arc-shaped sieve plate (10) is arranged below the rotary roller (6), a plurality of material holes (11) are formed in the sieve plate (10), a discharge hole (12) is formed in the bottom of the casing (4), and the discharge hole (12) is connected with a powder inlet (14) of the biological reaction tank (3) through a pipeline (13);
biological reaction jar (3) in be equipped with (mixing) shaft (15), the bottom is equipped with hopper-shaped discharge gate (16), biological reaction jar (3) top be equipped with charge door (17), charge door (17) pass through pipeline (13) and connect microbial inoculum jar (2), the top of biological reaction jar (3) be equipped with circulating pipe (18), the bottom is equipped with outlet pipe (19), the one end of outlet pipe (19) connect circulating pipe (18), biological reaction jar (3) inner wall be equipped with a plurality of aeration pipes (20) and steam pipe (21).
2. The wet biological desulfurization reaction device according to claim 1, wherein: feed inlet (5) slope setting, and inside perpendicular baffle (501) of being equipped with, the upper end of baffle (501) rotate through the pivot and set up the top at feed inlet (5).
3. The wet biological desulfurization reaction device according to claim 1, wherein: casing (4) both sides be equipped with sieve (10) matched with installation piece (101), one side of casing (4) be equipped with pneumatic rod device (22), pneumatic rod device (22) connect sieve (10), and drive sieve (10) round trip movement between two installation pieces (101).
4. The wet biological desulfurization reaction device according to claim 1, wherein: the stirring shaft (15) on be equipped with multiunit stirring fan blade (151), stirring fan blade (151) be the rib structure.
5. The wet biological desulfurization reaction device according to claim 1, wherein: the bottom of the biological reaction tank (3) is provided with a carbon slag pipe (23), and the carbon slag pipe (23) and the water outlet pipe (19) are both provided with a sampling port (24).
6. The wet biological desulfurization reaction device according to claim 1, wherein: and a feeding pump is arranged on the pipeline (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111049240.7A CN113731331A (en) | 2021-09-08 | 2021-09-08 | Wet process biological desulfurization reaction unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111049240.7A CN113731331A (en) | 2021-09-08 | 2021-09-08 | Wet process biological desulfurization reaction unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113731331A true CN113731331A (en) | 2021-12-03 |
Family
ID=78736969
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111049240.7A Pending CN113731331A (en) | 2021-09-08 | 2021-09-08 | Wet process biological desulfurization reaction unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113731331A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4146367A (en) * | 1978-02-16 | 1979-03-27 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Coal desulfurization |
| JPH02208403A (en) * | 1989-02-06 | 1990-08-20 | Yoshino Sekko Kk | Desulfurization of fluidized bed boiler |
| CN204933568U (en) * | 2015-09-06 | 2016-01-06 | 于波涛 | Novel ring hammer mill |
| CN107557106A (en) * | 2017-09-29 | 2018-01-09 | 济南大学 | A kind of coal bio-desulfurization device and its application method |
| CN209113834U (en) * | 2018-11-19 | 2019-07-16 | 山东正瀚环保设备有限公司 | A kind of chemical desulfurization device of coal |
| CN210357181U (en) * | 2019-07-25 | 2020-04-21 | 济源海湾实业有限公司 | Reation kettle convenient to arrange material |
-
2021
- 2021-09-08 CN CN202111049240.7A patent/CN113731331A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4146367A (en) * | 1978-02-16 | 1979-03-27 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Coal desulfurization |
| JPH02208403A (en) * | 1989-02-06 | 1990-08-20 | Yoshino Sekko Kk | Desulfurization of fluidized bed boiler |
| CN204933568U (en) * | 2015-09-06 | 2016-01-06 | 于波涛 | Novel ring hammer mill |
| CN107557106A (en) * | 2017-09-29 | 2018-01-09 | 济南大学 | A kind of coal bio-desulfurization device and its application method |
| CN209113834U (en) * | 2018-11-19 | 2019-07-16 | 山东正瀚环保设备有限公司 | A kind of chemical desulfurization device of coal |
| CN210357181U (en) * | 2019-07-25 | 2020-04-21 | 济源海湾实业有限公司 | Reation kettle convenient to arrange material |
Non-Patent Citations (1)
| Title |
|---|
| 叶恒棣编著: "《钢铁烧结烟气全流程减排技术》", 31 May 2019, 冶金工业出版社 * |
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Application publication date: 20211203 |