CN107754501A - A kind of wet type coal gas dedusting tank - Google Patents
A kind of wet type coal gas dedusting tank Download PDFInfo
- Publication number
- CN107754501A CN107754501A CN201610687472.8A CN201610687472A CN107754501A CN 107754501 A CN107754501 A CN 107754501A CN 201610687472 A CN201610687472 A CN 201610687472A CN 107754501 A CN107754501 A CN 107754501A
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- China
- Prior art keywords
- airflow
- demister
- coal gas
- sprayer
- wet type
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/06—Spray cleaning
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Separation Of Particles Using Liquids (AREA)
Abstract
The invention discloses a kind of wet type coal gas dedusting tank, including：Tank body, air inlet pipe, blast pipe and the pollution discharge pond of cylinder, the top surface of the tank body is provided with air inlet pipe, and bottom is provided with pollution discharge pond, and tank wall top is provided with blast pipe, dividing plate that is being longitudinally arranged and separating air inlet pipe and blast pipe is provided with tank body, tank body is divided into left chamber and right chamber room by dividing plate；The top of right chamber room is provided with A airflow-distribution boards, and the bottoms of A airflow-distribution boards is provided with the first sprayer, and the bottom of dividing plate is provided with some airflow holes, and airflow hole is by left chamber and right chamber；The top of left chamber is provided with demister, and demister is located at the bottom of blast pipe, and the bottom of demister is provided with the second sprayer.The technical purpose of the present invention is to provide one kind by two-stage dust arrester so that efficiency of dust collection is higher, dedusting more safely, the wet type coal gas dedusting tank that can adapt to high-temperature gas, be capable of after dedusting terminates demisting.
Description
Technical field
The present invention relates to deduster field, particularly a kind of wet type coal gas dedusting tank.
Background technology
Cleaner can be divided into by dedusting method：Dry collector, half dry type deduster and wet scrubber, and wet type is removed
Dirt device can carry out high-effective dust-removing to the coal gas with impurity, and also safer.Wet scrubber be make dusty gas with
Liquid close contact, effect and other effects are sufficiently mixed using the inertial collision of water droplet and particle or using water and dust
Arrested particles make particle increase or stay in reaching water and the device of dust separation effect in fixed container.
For existing wet dust separater when being filtered to coal gas of high temperature, filter efficiency is relatively low, and resistance is larger, does not have
Have and carry out dedusting specifically for coal gas of high temperature so that efficiency of dust collection substantially reduces.Traditional dust arrester is removed herein in connection with electricity
Dirt, not only the dust removing effects of coal gas are reduced, but also imponderable danger can be brought to dedusting.
The content of the invention
For insufficient existing for above-mentioned dust arrester, technical purpose of the invention is that provide one kind is filled by two-stage dedusting
Put so that efficiency of dust collection is higher, dedusting more safely, the wet type that can adapt to high-temperature gas, be capable of after dedusting terminates demisting
Coal gas dust removal tank.
The present invention is achieved through the following technical solutions：
A kind of wet type coal gas dedusting tank, including：Tank body, air inlet pipe, blast pipe and the pollution discharge pond of cylinder, the top surface of the tank body
Provided with air inlet pipe, bottom is provided with pollution discharge pond, and tank wall top is provided with blast pipe, is provided with tank body being longitudinally arranged and by air inlet
Tank body is divided into left chamber and right chamber room by the dividing plate that pipe and blast pipe separate, dividing plate；The top of right chamber room is provided with A air flow methods
Plate, the bottoms of A airflow-distribution boards are provided with the first sprayer, and the bottom of dividing plate is provided with some airflow holes, airflow hole by left chamber and
Right chamber；The top of left chamber is provided with demister, and demister is located at the bottom of blast pipe, and the bottom of demister is provided with second
Sprayer.
In above-mentioned technical proposal, by provided with airflow-distribution board can will from air inlet pipe enter tank body carry impurity coal
Gas is evenly spread in tank body, and the water smoke sprayed by the first sprayer contacts with coal gas, so that by contaminant filter, and pass through weight
Power acts on impurity and is downwardly towards pollution discharge pond along water smoke, and the coal gas for passing through removal of impurities for the first time enters by the airflow hole of the lower partition
Enter to left chamber, and the liquid sprayed by the second sprayer further carries out dedusting to impurity, the coal gas after dedusting is by removing
Day with fog is removed to water smoke, and combustible gas is dried so as to obtain clean.
Further, the spray direction of first sprayer is vertically upward, the spray direction of the second sprayer is vertical
It is straight downward.
In above-mentioned technical proposal, by the way that the spray direction of the first sprayer is set to vertically upward, so as to the water smoke sprayed
There can be time enough to stop to be contacted with impurity in the air so that impurity removes cleaner, and can be to high temperature
Gas fully cooled；The spray direction of second sprayer is vertically downward, so that with upward airflow counter-collision, generation is more
More water smoke, is further filtered to impurity, miscellaneous to a diameter of 0.1~20 micron so as to reach more preferable dust removing effects
Matter can be removed effectively, and the impurity below 0.1 micron also can also be removed effectively.
Further, B airflow-distribution boards, B air-flows are provided between the airflow hole and the second sprayer on dividing plate
Distribution grid is tilted to dividing plate direction and installed.
In above-mentioned technical proposal, by provided with B airflow-distribution boards enable to the gas into left chamber uniformly to scatter,
So that the water smoke sprayed fully contacts with impurity, so that efficiency of dust collection is higher, B airflow-distribution boards are inclined to dividing plate direction
Tiltedly, because gas is from the lower partition entrance, so that the air-flow into left chamber can be along inclined B airflow-distribution boards
Scatter upwards, horizontally disposed B airflow-distribution boards are avoided to shunting the problem of uneven, so as to improve efficiency of dust collection.
Further, the horizontal cross sectional geometry of the demister is semicircle, and demister includes some semicircular blades,
The vertical section of the blade is shaped as serpentine, and the spacing between blade is 25~35mm.
In above-mentioned technical proposal, by the way that the horizontal cross sectional geometry of demister is set into semicircle, so as to coordinate installation
It is set to semicircle in left chamber, and by the blade of demister, the vertical section of blade is shaped as serpentine, so that right
The removal efficiency of water smoke is higher；Blade pitgh is excessive, and demisting efficiency reduces, and coal gas band water is serious, and blade pitgh is too small, increases energy
Consumption, reduces resistance, and the easy structure of blade, blockings, when the spacing between blade is 25~35mm, not only so that demisting efficiency
Greatly increase, but also be not easy fouling, and be also more prone to clean dirty thing.
Further, the top of the left chamber is provided with high-pressure water jet moving up and down, if high-pressure water jet includes
The dry shower nozzle being evenly arranged, the irrigation pressure of high-pressure water jet is 0.25~0.4Mpa.
In above-mentioned technical proposal, by being provided with high-pressure water jet moving up and down at the top of left chamber so that needing
When wanting scale removal, high-pressure water jet is moved down, water under high pressure is sprayed and demister is cleaned, when that need not clean, spray water with high pressure
Device is moved to top, so as to avoid stop of the fountain head to air-flow, improves the flow efficiency of air-flow, also more facilitates cleaning to remove
Day with fog, the hydraulic pressure of high-pressure water jet is set to 0.25~0.4Mpa, enabling comparatively fast understand dirt, and will not be because excessive
Pressure is destroyed to demister.
Further, the top of the demister is provided with air flow measuring apparatus, and the air flow measuring apparatus includes intelligence
Can type and mechanical type air-flow velocity measuring instrument.
In above-mentioned technical proposal, the air flow measuring apparatus being provided with can measure the air velocity by demister, by gas
Flow speed control within the specific limits, it is possible to increase the demisting efficiency of demister, and when demister blocks, air velocity is bright
It is aobvious to decline, so as to play a part of judging the dirt in demister.
Further, the angle of inclination of the B airflow-distribution boards is 10~20 °, between B airflow-distribution boards and airflow hole
Mounting distance is 5~10cm.
In above-mentioned technical proposal, the angle of inclination of B airflow-distribution boards is set to 10~20 °, enables to B airflow-distribution boards
More preferably air-flow can be disperseed, increase deimpurity efficiency, the mounting distance between B airflow-distribution boards and airflow hole be 5~
10cm, B airflow-distribution boards is enabled to closer to bottom, so that the water smoke that air-flow sprays with sprayer more fully connects
Touch, increase the efficiency of demisting.
The beneficial effects of the invention are as follows:
1st, by provided with airflow-distribution board can will enter tank body from air inlet pipe and evenly spread to tank body with the coal gas of impurity
Interior, the water smoke sprayed by the first sprayer contacts with coal gas, so that by contaminant filter, and by Action of Gravity Field impurity along water
Mist is downwardly towards pollution discharge pond, and the coal gas for passing through removal of impurities for the first time enters left chamber by the airflow hole of the lower partition, and leads to
The liquid for crossing the ejection of the second sprayer further carries out dedusting to impurity, and the coal gas after dedusting removes by demister to water smoke,
Combustible gas is dried so as to obtain clean.
2nd, by the way that the spray direction of the first sprayer is set to vertically upward, when enough so as to which the water smoke sprayed can have
Between stop and contacted in the air with impurity so that impurity except it is cleaner, and the gas of high temperature can be carried out abundant
Cooling；The spray direction of second sprayer is vertically downward, so that with upward airflow counter-collision, to produce more water smokes, enter one
Step is filtered to impurity, and so as to reach more preferable dust removing effects, a diameter of 0.1~20 micron of impurity can effectively be gone
Remove, and the impurity below 0.1 micron also can also can be removed effectively, it is big compared to traditional deduster, efficiency of dust collection
It is big to improve.
3rd, by provided with B airflow-distribution boards enable to the gas into left chamber uniformly to scatter so that the water of ejection
Mist fully contacts with impurity, so that efficiency of dust collection is higher, B airflow-distribution boards is tilted to dividing plate direction, due to gas
Enter from the lower partition, so that the air-flow into left chamber can scatter upwards along inclined B airflow-distribution boards, keep away
Exempt from horizontally disposed B airflow-distribution boards to shunting the problem of uneven, so as to improve efficiency of dust collection.
Brief description of the drawings
Fig. 1 is the general structure schematic diagram of the present invention.
Marked in figure：1 it is tank body, 2 be air inlet pipe, 3 be blast pipe, 4 be the first sprayer, 5 be A airflow-distribution boards, 6 is
Second sprayer, 7 be dividing plate, 7.1 be airflow hole, 8 be pollution discharge pond, 9 be demister, 10 be B airflow-distribution boards, 11 be high pressure spray
Hydrophone.
Embodiment
The present invention is described in detail below in conjunction with the accompanying drawings.
Wet type coal gas dedusting tank as shown in Figure 1, including：Tank body 1, air inlet pipe 2, blast pipe 3, the first sprayer 4, A gas
Flow point fabric swatch 5, the second sprayer 6, dividing plate 7, airflow hole 7.1, pollution discharge pond 8, demister 9, B airflow-distribution boards 10 and spray water with high pressure
Device 11, the top surface of tank body 1 are provided with air inlet pipe 2, and bottom is provided with pollution discharge pond 8, and the side wall upper part of tank body 1 is provided with blast pipe 3, in tank body 1
Provided with dividing plate 7 that is being longitudinally arranged and separating air inlet pipe 2 and blast pipe 3, dividing plate 7 divides tank body 1 for left chamber and right chamber room；
The top of right chamber room is provided with A airflow-distribution boards 5, and the bottom of A airflow-distribution boards 5 is provided with the first sprayer 4, and sprayer 4 is provided with more
The fog-spray nozzle of level, the bottom of dividing plate 7 are provided with some airflow holes 7.1；The top of left chamber is provided with demister 9, and demister 9 is located at
The bottom of blast pipe 3, the bottom of demister 9 are provided with the second sprayer 6.The water smoke that first sprayer 4 sprays is compared with the second sprayer 6
The water smoke of ejection is big, so that the first sprayer mainly cleans to the impurity of larger particles, and the second sprayer 6 is main
Less impurity is cleaned, substep cleans so that dust removal rate is higher.
The spray direction of first sprayer 4 is vertically upward, the spray direction of the second sprayer 6 is vertically downward.
Be provided with B airflow-distribution boards 10 between the sprayer 6 of airflow hole 7.1 and second on the dividing plate 7, B airflow-distribution boards 10 to
The direction of dividing plate 7 tilts installation；The horizontal cross sectional geometry of the demister 9 is semicircle, and demister 9 includes some semicircular leaves
Piece, the vertical section of the blade are shaped as serpentine, and the spacing between blade is 25~35mm, the spacing between usual blade
For 27mm；The top of left chamber is provided with high-pressure water jet 11 moving up and down, and high-pressure water jet 11 includes some be evenly arranged
Shower nozzle, the irrigation pressure of high-pressure water jet 11 is 0.25~0.4Mpa, the irrigation pressure 0.3Mpa of usual high-pressure water jet 11,
The top of the demister 9 is provided with air flow measuring apparatus, and the air flow measuring apparatus is intelligent air-flow velocity measuring instrument,
The angle of inclination of the B airflow-distribution boards 10 is 15 °, and the mounting distance between B airflow-distribution boards 10 and airflow hole 7.1 is 6cm.
Coal gas with impurity is entered in tank body 1 from air inlet pipe 2, after the uniform divided flows of A airflow-distribution boards 5, then
The water smoke sprayed by the first sprayer 4 carries out first dedusting, and the gas by first dedusting enters left chamber from airflow hole 7.1
Room, enter the air-flow of left chamber by B airflow-distribution boards 10 be uniformly distributed air-flow after, flow up, then by the second spray
After the water smoke that day with fog 6 sprays carries out second of dedusting, after the removing water smoke of demister 9, discharged from blast pipe 3, so as to right
Gas carries out dedusting.
Claims (7)
- A kind of 1. wet type coal gas dedusting tank, it is characterised in that including：The tank body of cylinder（1）, air inlet pipe（2）, blast pipe（3） And pollution discharge pond（8）, the tank body（1）Top surface be provided with air inlet pipe（2）, bottom is provided with pollution discharge pond（8）, tank body（1）Side wall upper part Provided with blast pipe（3）, tank body（1）It is interior be provided with it is being longitudinally arranged and by air inlet pipe（2）And blast pipe（3）The dividing plate separated（7）, every Plate（7）By tank body（1）It is divided into left chamber and right chamber room；The top of right chamber room is provided with A airflow-distribution boards（5）, A airflow-distribution boards （5）Bottom be provided with the first sprayer（4）, dividing plate（7）Bottom be provided with some airflow holes（7.1）；The top of left chamber is provided with Demister（9）, demister（9）Located at blast pipe（3）Bottom, demister（9）Bottom be provided with the second sprayer（6）.
- 2. wet type coal gas dedusting tank according to claim 1, it is characterised in that first sprayer（4）Spraying square To for vertically upward, the second sprayer（6）Spray direction for vertically downward.
- 3. wet type coal gas dedusting tank according to claim 1, it is characterised in that described to be located at dividing plate（7）On airflow hole （7.1）With the second sprayer（6）Between be provided with B airflow-distribution boards（10）, B airflow-distribution boards（10）To dividing plate（7）Direction tilts Installation.
- 4. wet type coal gas dedusting tank according to claim 1, it is characterised in that the demister（9）Horizontal cross-section shape Shape is semicircle, demister（9）Including some semicircular blades, the vertical section of the blade is shaped as serpentine, blade it Between spacing be 25~35mm.
- 5. wet type coal gas dedusting tank according to claim 1, it is characterised in that the top of the left chamber is provided with can be upper and lower Mobile high-pressure water jet（11）, high-pressure water jet（11）Including some shower nozzles being evenly arranged, high-pressure water jet（11）Spray Water pressure is 0.25~0.4Mpa.
- 6. wet type coal gas dedusting tank according to claim 1, it is characterised in that the demister（9）Top be provided with gas Rate of flow of fluid measuring instrument, the air flow measuring apparatus include intelligent and mechanical type air-flow velocity measuring instrument.
- 7. wet type coal gas dedusting tank according to claim 3, it is characterised in that the B airflow-distribution boards（10）Inclination Angle is 10~20 °, B airflow-distribution boards（10）With airflow hole（7.1）Between mounting distance be 5~10cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610687472.8A CN107754501A (en) | 2016-08-19 | 2016-08-19 | A kind of wet type coal gas dedusting tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610687472.8A CN107754501A (en) | 2016-08-19 | 2016-08-19 | A kind of wet type coal gas dedusting tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107754501A true CN107754501A (en) | 2018-03-06 |
Family
ID=61262957
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610687472.8A Pending CN107754501A (en) | 2016-08-19 | 2016-08-19 | A kind of wet type coal gas dedusting tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107754501A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108744803A (en) * | 2018-06-27 | 2018-11-06 | 逯亚静 | A kind of double mode deduster |
| CN111744302A (en) * | 2020-07-10 | 2020-10-09 | 沈齐晖 | Method and device for heat exchange and dust removal of dust-containing gas |
-
2016
- 2016-08-19 CN CN201610687472.8A patent/CN107754501A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108744803A (en) * | 2018-06-27 | 2018-11-06 | 逯亚静 | A kind of double mode deduster |
| CN108744803B (en) * | 2018-06-27 | 2021-02-12 | 南通利元亨机械有限公司 | Dual-mode dust remover |
| CN111744302A (en) * | 2020-07-10 | 2020-10-09 | 沈齐晖 | Method and device for heat exchange and dust removal of dust-containing gas |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180306 |