CN210751758U - Coal dust removal device - Google Patents
Coal dust removal device Download PDFInfo
- Publication number
- CN210751758U CN210751758U CN201921663934.8U CN201921663934U CN210751758U CN 210751758 U CN210751758 U CN 210751758U CN 201921663934 U CN201921663934 U CN 201921663934U CN 210751758 U CN210751758 U CN 210751758U
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- China
- Prior art keywords
- dust remover
- dust
- pipeline
- coal
- spraying system
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- 239000002817 coal dust Substances 0.000 title claims description 10
- 239000000428 dust Substances 0.000 claims abstract description 81
- 238000005507 spraying Methods 0.000 claims abstract description 22
- 238000002485 combustion reaction Methods 0.000 claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000003245 coal Substances 0.000 claims abstract description 9
- 239000000463 material Substances 0.000 claims abstract description 7
- 239000004071 soot Substances 0.000 claims description 5
- 238000010410 dusting Methods 0.000 claims 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 abstract description 7
- 238000000746 purification Methods 0.000 abstract description 5
- 239000005864 Sulphur Substances 0.000 abstract description 3
- 239000002341 toxic gas Substances 0.000 abstract description 3
- 238000001914 filtration Methods 0.000 abstract 1
- 239000008187 granular material Substances 0.000 abstract 1
- 231100000331 toxic Toxicity 0.000 abstract 1
- 230000002588 toxic effect Effects 0.000 abstract 1
- 238000006477 desulfuration reaction Methods 0.000 description 19
- 230000023556 desulfurization Effects 0.000 description 19
- 239000007789 gas Substances 0.000 description 11
- 238000000034 method Methods 0.000 description 10
- 239000007788 liquid Substances 0.000 description 9
- 239000007921 spray Substances 0.000 description 9
- 239000002245 particle Substances 0.000 description 8
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 6
- 239000003546 flue gas Substances 0.000 description 6
- 239000000779 smoke Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 4
- 239000013618 particulate matter Substances 0.000 description 4
- 229910052717 sulfur Inorganic materials 0.000 description 4
- 239000011593 sulfur Substances 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 238000006386 neutralization reaction Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 231100000252 nontoxic Toxicity 0.000 description 2
- 230000003000 nontoxic effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000004480 active ingredient Substances 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 239000003440 toxic substance Substances 0.000 description 1
Images
Landscapes
- Chimneys And Flues (AREA)
- Treating Waste Gases (AREA)
Abstract
The utility model discloses a coal-fired dust removal device, which comprises a combustion furnace, a dust remover, a water pool, a fan and a spraying system, wherein the upper end of the combustion furnace is connected with the dust remover by adopting a combustion channel, the dust is discharged along with an outlet flue through a pipeline by filtering in the dust remover, the spraying system is arranged between the combustion furnace and the dust remover, one end of the spraying system is connected with a motor by a pipeline, and the other end of the spraying system is provided with a spraying head which is arranged in the combustion channel; the lower end of the dust remover is provided with a funnel, a valve is arranged below the funnel, a connecting pipe is arranged above the dust remover, one end of the connecting pipe is connected with a water pool, and the other end of the connecting pipe flows into a pipeline through a rotary distributor in the dust remover and is discharged along an outlet flue through the pipeline; connecting pipe and dust remover are passed through on the left of the pond, and the pond right side links to each other through electric wire and motor, and the fan is located between pipeline and the export flue, and the effectual coal burning back exhaust sulphur material of having solved of this device, toxic granule and toxic gas have improved purification efficiency, have protected ecological environment simultaneously.
Description
Technical Field
The utility model relates to a dust removal technical field especially relates to a coal-fired dust collector.
Background
Today, the requirements of atmospheric environment are more and more strict, the awareness of environmental protection is well established in the mind of people, the flue gas purification treatment of coal-fired boilers and industrial furnaces is very important, and the national supply of energy still takes coal as the main part and other energy as the auxiliary part. From the economical and practical perspective, coal burning is the most economical industrial energy source at present, and other energy sources cannot be compared with coal. However, the smoke pollution and SOX and NOX pollution caused by coal burning are inevitable, the existing desulfurization dust remover is only provided with a spray header in an exhaust pipeline, the dust removing and desulfurization effect is poor, or too many spray desulfurization devices are arranged in the dust remover, the cost is too high, and the maintenance is inconvenient. How to look for an efficient, with low costs, the problem that the trinity dust remover of collection desulfurization, denitration, dust removal is that need solve at present. However, since a large amount of smoke and dust, sulfur dioxide, nitrogen oxide and other harmful gases are generated during combustion of coal in boilers and kilns, which causes serious pollution to the environment, a desulfurization and dust removal device is required to be used in cooperation with the boiler. The currently used desulfurization dust remover is generally a wet dust remover and mainly comprises water film desulfurization dust removal and impact water bath desulfurization dust removal. At present, the dust removal method of the flue gas of the coal-fired boiler mainly comprises an electric dust removal method, a dry dust removal method, a wet dust removal method and the like. Compared with the electric dust removal method and the dry dust removal method, the wet dust removal method can realize synchronous dust removal and desulfurization, so the wet dust removal method is mostly adopted in the flue gas treatment of the coal-fired boiler. The existing wet-type desulfurization dust remover mainly comprises a spray type and a water bath type, the spray type desulfurization dust remover has good flue gas purification effect, but compared with the water bath type desulfurization dust remover, the spray type desulfurization dust remover has the advantages that the contact time of absorption liquid and flue gas is short, the utilization rate of the absorption liquid is lower, and the yield of waste liquid containing sulfur and smoke dust in the treatment process is high; absorption liquid fully contacts with the flue gas in traditional water bath formula desulfurization dust remover, nevertheless need regularly change, and the active ingredient of the absorption liquid in the water bath reduces gradually in a change cycle, causes desulfurization dust removal effect unstability. In addition, when the desulfurization is carried out, the reaction of sulfur dioxide is inhibited due to too high temperature, so that the temperature of smoke dust needs to be reduced before desulfurization to improve the desulfurization effect; the higher the temperature is, the liquid in the dust remover is easy to gasify, which is not beneficial to the capture of dust.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem existing in the background technology, the novel coal dust removal device that provides of this use, this device adopt fountain system and other devices, and the effectual coal combustion back exhaust toxic gas that has reduced has improved efficiency, environmental protection simultaneously.
The utility model discloses a realize like this, a coal-fired dust collector, including burning furnace, dust remover, pond, fan and spraying system, burning furnace upper end adopts the burning passageway to link to each other with the dust remover, and the gas that fires burning furnace production is filtered through the dust remover inside and is discharged along with the export flue by the pipeline again, be equipped with spraying system between burning furnace and the dust remover, spraying system one end is connected with the motor through the pipeline, and the spraying system other end is equipped with the shower head and installs inside the burning passageway; the dust remover is characterized in that a baffle plate is arranged on a connecting pipe above the dust remover, one end of the connecting pipe is connected with a water pool, and the other end of the connecting pipe flows into a pipeline through a rotary distributor in the dust remover and is discharged along an outlet flue through the pipeline.
Furthermore, a funnel is arranged at the lower end of the dust remover, and a valve is arranged below the funnel.
Furthermore, a fan is arranged between the pipeline and the outlet flue.
Furthermore, the front end of the pipeline at the upper end of the rotary wearing separator is provided with a smoke suction clapboard.
Further, the dust remover inner shell is made of a PP material.
Furthermore, the left side of the water pool is connected with the dust remover through a connecting pipe, and the right side of the water pool is connected with the motor through an electric wire.
The utility model provides a pair of coal-fired dust collector advantage lies in: firstly, the utility model adopts a spraying system, a plurality of spray holes are utilized to spray alkaline liquid and sulfur in combustion gas in two layers for neutralization to reduce the content of toxic gas, and meanwhile, a soot suction baffle is arranged in the dust remover to isolate the discharge of particulate matters; secondly, the inner shell of the dust remover is made of PP material, so that the cost is low, and the corrosion caused by chemical reaction in the inner part is effectively prevented; finally, toxic substances are further diluted by the aid of the water tank and the fan, and internal circulation can be achieved to accelerate gas purification. The utility model provides a coal burning back waste material sulphur material and gaseous discharge to the harm of environment for exhaust gas is nontoxic harmless, has reached the effect of desulfurization, sulphur removal, has improved the function efficiency of device simultaneously.
Drawings
FIG. 1 is a schematic structural view of a coal dust removing device of the utility model;
FIG. 2 is a schematic view of a baffle plate of a coal dust removing device of the utility model;
FIG. 3 is a schematic view of a soot suction baffle of a coal dust removal device of the utility model;
FIG. 4 is a schematic view of a rotary distributor of a coal dust collector.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to fig. 1, fig. 2, fig. 3 and fig. 4. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 and 3, the present invention is implemented as such, and a coal dust removing device includes a combustion furnace 100, a dust remover 200, a water tank 300, a fan 400 and a spraying system 500, wherein the upper end of the combustion furnace 100 is connected to the dust remover 200 through a combustion channel 101, gas generated by the combustion furnace 100 is filtered by the dust remover 200 and then discharged from an outlet flue 602 through a pipeline 601, the spraying system 500 is disposed between the combustion furnace 100 and the dust remover 200, the spraying system 500 is divided into an upper layer and a lower layer, the upper layer and the lower layer are favorable for fully performing neutralization reaction between alkaline liquid and sulfur substances to improve efficiency, one end of the spraying system 500 is connected to a motor 501 through a pipeline, and the other end of the spraying system 500 is provided with a spray header 502 installed inside the combustion channel 101; referring to fig. 2, a baffle plate 204 is arranged on a connecting pipe 203 above the dust remover 200, and the baffle plate 204 enables gas particles to be sucked in orderly, accelerates particle collision to be beneficial to mutual coagulation of particles and reduces particles; one end of the connection pipe 203 is connected to the sump 300, and the other end of the connection pipe 203 flows into the duct 601 through the cyclone 206 inside the dust collector 200 and is discharged through the duct 601 to the outlet flue 602.
The lower end of the dust remover 200 is provided with a funnel 208, and a valve 202 is arranged below the funnel 208. The funnel 208 can collect the particulate matter, and the setting of valve 202 is favorable to the processing of particulate matter, opens valve 202 and can take out the particulate matter.
The front end of the pipeline 601 at the upper end of the rotary separator 206 is provided with a soot suction baffle 207. The arrangement of the soot suction baffle 207 prevents the discharge of particulate matter, which cannot be discharged with the gas to avoid the pollution of the environment.
The inner shell 205 of the dust collector 200 is made of a PP material, and the PP material is low in manufacturing cost, high in corrosion resistance and strength and capable of effectively avoiding corrosion generated by internal chemical reaction.
The left side of the water tank 300 is connected with the dust collector 200 through the connecting pipe 203, and the right side of the water tank 300 is connected with the motor 501 through the electric wire 301.
The coal dust removal device is characterized in that waste materials generated by coal gas in a combustion chamber 100 pass through a combustion channel 101, are sprayed with alkaline liquid for neutralization through a spray header 502 arranged on a spraying system 500, so that sulfur substances discharged by combustion are removed, then the waste materials enter a dust remover 200, the interior of the dust remover 200 is filtered, large particles fall into a funnel 208 along with a connecting pipe 203, gas and small particles pass through a baffle plate 204, are purified again along with a rotary separator 206 and a smoke particle suction baffle plate 207 and finally pass through a pipeline 601, are circularly purified under the action of a fan 400 in the process of the pipeline 601 and are finally discharged from an outlet flue 602. The discharged gas is nontoxic and harmless, the emission of particulate matters in the gas meets the national standard, and the device effectively ensures the safety of gas particle discharge and protects the ecological environment in the high-speed purification process.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. A coal-fired dust removal device comprises a combustion furnace (100), a dust remover (200), a water tank (300), a fan (400) and a spraying system (500), wherein the upper end of the combustion furnace (100) is connected with the dust remover (200) through a combustion channel (101), gas generated by the combustion furnace (100) is filtered through the interior of the dust remover (200) and then is discharged along with an outlet flue (602) through a pipeline (601), the coal-fired dust removal device is characterized in that the spraying system (500) is arranged between the combustion furnace (100) and the dust remover (200), the spraying system (500) is divided into an upper layer and a lower layer, one end of the spraying system (500) is connected with a motor (501) through a pipeline, and the other end of the spraying system (500) is provided with a spraying head (502) which is arranged; the dust remover is characterized in that a baffle plate (204) is arranged on a connecting pipe (203) above the dust remover (200), one end of the connecting pipe (203) is connected with the water pool (300), and the other end of the connecting pipe (203) flows into a pipeline (601) through a rotary distributor (206) in the dust remover (200) and is discharged along with an outlet flue (602) through the pipeline (601).
2. The coal dust removal device of claim 1, wherein the dust remover (200) is provided with a funnel (208) at the lower end, and a valve (202) is arranged below the funnel (208).
3. A coal-fired dust removal device as claimed in claim 1, wherein a fan (400) is provided between the duct (601) and the outlet flue (602).
4. The coal-fired dust removal device according to claim 1, wherein the front end of the pipe (601) at the upper end of the rotary distributor (206) is provided with a soot suction baffle plate (207).
5. A coal burning dusting unit according to claim 1, characterized in that the inner casing (205) of the duster (200) is of a PP material.
6. The coal-fired dust removal device according to claim 1, wherein the left side of the water tank (300) is connected with the dust remover (200) through the connecting pipe (203), and the right side of the water tank (300) is connected with the motor (501) through the electric wire (301).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921663934.8U CN210751758U (en) | 2019-10-08 | 2019-10-08 | Coal dust removal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921663934.8U CN210751758U (en) | 2019-10-08 | 2019-10-08 | Coal dust removal device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210751758U true CN210751758U (en) | 2020-06-16 |
Family
ID=71050621
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921663934.8U Active CN210751758U (en) | 2019-10-08 | 2019-10-08 | Coal dust removal device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210751758U (en) |
-
2019
- 2019-10-08 CN CN201921663934.8U patent/CN210751758U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |