CN207159165U - Washing mechanism for raw gas - Google Patents
Washing mechanism for raw gas Download PDFInfo
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- CN207159165U CN207159165U CN201721019550.3U CN201721019550U CN207159165U CN 207159165 U CN207159165 U CN 207159165U CN 201721019550 U CN201721019550 U CN 201721019550U CN 207159165 U CN207159165 U CN 207159165U
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- 238000005406 washing Methods 0.000 title claims abstract description 184
- 230000007246 mechanism Effects 0.000 title claims abstract description 85
- 238000004062 sedimentation Methods 0.000 claims abstract description 91
- 239000007921 spray Substances 0.000 claims abstract description 32
- 238000004140 cleaning Methods 0.000 claims abstract description 17
- 239000007788 liquid Substances 0.000 claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 83
- 230000003116 impacting effect Effects 0.000 claims description 21
- 238000002386 leaching Methods 0.000 claims description 2
- 230000035939 shock Effects 0.000 claims description 2
- 239000003034 coal gas Substances 0.000 abstract description 8
- 239000007789 gas Substances 0.000 description 108
- 239000007787 solid Substances 0.000 description 24
- 239000002245 particle Substances 0.000 description 18
- 239000000428 dust Substances 0.000 description 13
- 239000003245 coal Substances 0.000 description 9
- 239000012535 impurity Substances 0.000 description 9
- 230000000694 effects Effects 0.000 description 6
- 239000008187 granular material Substances 0.000 description 6
- 230000009471 action Effects 0.000 description 4
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- LCGLNKUTAGEVQW-UHFFFAOYSA-N Dimethyl ether Chemical compound COC LCGLNKUTAGEVQW-UHFFFAOYSA-N 0.000 description 2
- 241000628997 Flos Species 0.000 description 2
- 239000010866 blackwater Substances 0.000 description 2
- 238000002309 gasification Methods 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000004449 solid propellant Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
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- Treating Waste Gases (AREA)
Abstract
The utility model provides a kind of washing mechanism for raw gas.Washing mechanism includes：Sedimentation pipe；Spray structure, it is arranged in the upper end of sedimentation pipe or the side wall of sedimentation pipe, spray structure can eject liquid into sedimentation pipe；One-level washer, sedimentation pipe are arranged in one-level washer；Two-stage scrubber, one-level washer is arranged in two-stage scrubber, and the lower end of two-stage scrubber has discharge pipe line, the top of two-stage scrubber is provided with two-stage scrubber exhaust outlet, when washing mechanism is in running order, cleaning solution filled with certain altitude in two-stage scrubber, and the lower end of one-level washer and sedimentation pipe is submerged under the liquid level of cleaning solution；Multiple air inlet pipe, it is disposed on sedimentation pipe and is connected positioned at the lower section of spray structure, multiple air inlet pipe with sedimentation pipe.The utility model solves the problems, such as that raw gas washing mechanism is not thorough to rough coal gas washing, insufficient in the prior art.
Description
Technical field
Raw gas washing technology field is the utility model is related to, in particular to a kind of rinsing maching for raw gas
Structure.
Background technology
At present, the production of unstripped gas is generally carried out in Chemical Manufacture using coal as fuel.Specifically, coal is high by high temperature
Production such as methanol, synthesis ammonia, ethylene glycol, the unstripped gas of dimethyl ether chemical products are produced in pressure incomplete oxidation reaction.Due to me
The complexity of the coal elemental composition of state's part region coal is particularity, and high ash content, the coal of high ash melting point occupy larger proportion.
So, there are still the problem of dust content is high, band ash is serious after the raw gas that is produced after gasification reaction is scrubbed.In addition,
Because the dust content of raw gas is high, then it can cause the problems such as scaling of water system is serious, pipe wear aggravates of gasifying, shorten gasification
The service life of water system.
Utility model content
Main purpose of the present utility model is to provide a kind of washing mechanism for raw gas, to solve in the prior art
The problem of raw gas washing mechanism is not thorough to rough coal gas washing, insufficient.
To achieve these goals, the utility model provides a kind of washing mechanism for raw gas, including：Sedimentation
Pipe；Spray structure, it is arranged in the upper end of sedimentation pipe or the side wall of sedimentation pipe, spray structure can eject into sedimentation pipe
Liquid；One-level washer, sedimentation pipe are arranged in one-level washer；Two-stage scrubber, one-level washer are arranged on two level washing
In device, and the lower end of two-stage scrubber has discharge pipe line, and the top of two-stage scrubber is provided with two-stage scrubber exhaust outlet, when
When washing mechanism is in running order, the cleaning solution filled with certain altitude in two-stage scrubber, and one-level washer and sedimentation pipe
Lower end submerge under the liquid level of cleaning solution；Multiple air inlet pipe, it is disposed on sedimentation pipe and is located at the lower section of spray structure,
Multiple air inlet pipe connect with sedimentation pipe.
Further, there is angle, angle includes between each air inlet pipe and the tube wall of sedimentation pipe：Included angle A, the axle of air inlet pipe
It is in included angle A between line direction and the axis direction of sedimentation pipe, is extended obliquely downward along the flow direction air inlet pipe of raw gas, angle
A is more than or equal to 60 degree and less than or equal to 85 degree.
Further, there is angle, angle includes between each air inlet pipe and the tube wall of sedimentation pipe：Included angle A, the axle of air inlet pipe
It is in included angle A between line direction and the axis direction of sedimentation pipe, included angle A is 90 degree.
Further, angle also includes：Included angle B, the axis direction of air inlet pipe projection L in the horizontal plane and reference planes
It is in included angle B between S, included angle B is more than or equal to 10 degree and less than or equal to 45 degree, wherein, reference planes S is air inlet pipe on sedimentation pipe
At position and sedimentation pipe the tangent plane of circumferential side wall.
Further, axial direction of multiple air inlet pipe along sedimentation pipe and/or it is provided at circumferentially spaced.
Further, the first via for wearing multiple air inlet pipe is provided with one-level washer, one-level washer includes position
One-level washer exhaust outlet in top and the first washing water outlet positioned at bottom, the first washing water outlet submerge washing
Under the liquid level of water.
Further, the upper end of one-level washer has necking segment, and one-level washer exhaust outlet is arranged in necking segment, and
One-level washer exhaust outlet is one or more, and when one-level washer exhaust outlet is one, one-level washer exhaust outlet is located at
The top of necking segment, when one-level washer exhaust outlet is multiple, multiple one-level washer exhaust outlets are along between the circumference of necking segment
Every setting.
Further, washing mechanism also includes impacting tube, and impacting tube is set in the outside of necking segment and outer with necking segment
Formed with crossing ebb interval between surface, and projection of the one-level washer exhaust outlet along the axis direction perpendicular to necking segment is positioned at hitting
Hit on cylinder.
Further, washing mechanism also includes：Column plate group, is arranged in two-stage scrubber, and is located at the upper end of necking segment,
Column plate group includes multiple column plates；Washing water inlet, it is arranged on two-stage scrubber, and washing water inlet is located at the upper of column plate group
Side, the water entered from washing water inlet can wash to the raw gas via column plate group, is provided with and wears on two-stage scrubber
If the second via of multiple air inlet pipe, two-stage scrubber exhaust outlet is located at the top of column plate group, and the lower end of two-stage scrubber also has
There is the second washing water outlet, the second washing water outlet is connected with discharge pipe line.
Further, washing mechanism also includes：Gas hood is risen, is arranged in two-stage scrubber and positioned at the upper surface of impacting tube
Between column plate group, from raw gas and the impacting tube of the discharge of one-level washer exhaust outlet hit after after liter gas hood baffling with column plate
Group contact.
Further, washing mechanism also includes：Water pump, is arranged on the outside of two-stage scrubber, the water inlet interface of water pump with
The certain altitude opening position connection on the top of two-stage scrubber, the water outlet mouthpiece of water pump is connected with spray structure to be tied to spray
Structure provides washings.
Further, the lower end of sedimentation pipe is laciniation.
Further, washing mechanism also includes：Demister, it is arranged in two-stage scrubber and positioned at the upper of washing water inlet
Side, the lower section of two-stage scrubber exhaust outlet.
Using the technical solution of the utility model, raw gas is entered in sedimentation pipe from multiple air inlet pipe, and in sedimentation pipe
Inside rotate, hit, then the solid particle polluter in raw gas is sent out in the presence of centrifugal force and mutual impact force
Raw sedimentation.Meanwhile spray structure is rinsed to the raw gas for entering sedimentation pipe, is easy to the moistening of solid particle polluter to settle.
Afterwards, solid particle polluter enters in cleaning solution after part settles, and the raw gas after first time washs enters to one-level washing
In device, and carrying out second in one-level washer and wash, the raw gas after second is washed is entered in two-stage scrubber,
And third time washing is carried out in two-stage scrubber, and it is washed clean gas and is discharged from two-stage scrubber exhaust outlet, raw gas
Interior solid particle polluter enters to cleaning solution from the discharge pipe line of two-stage scrubber lower end, and then completes the washing behaviour of raw gas
Make.
So, rotary collision is first passed through into the raw gas of washing mechanism so that fraction solids granule foreign is being sprayed, hit
Hit and the multiple action such as centrifugal force under settle, enter again by one-level washer and the cleaning function of two-stage scrubber afterwards
And make it that washing of the washing mechanism to raw gas is more thorough, more abundant.In addition, after washing mechanism washing in the application
Raw gas impurities it is less, equipment attrition degree can be reduced, also can solve the problem that raw gas, system band water band ash is tight backward
The problem of weight.
Brief description of the drawings
The Figure of description for forming the part of the application is used for providing further understanding to of the present utility model, this practicality
New schematic description and description is used to explain the utility model, does not form to improper restriction of the present utility model.
In the accompanying drawings：
Fig. 1 shows the structural representation of the embodiment one according to washing mechanism of the present utility model；And
Fig. 2 shows the position view of the air inlet pipe in Fig. 1.
Wherein, above-mentioned accompanying drawing marks including the following drawings：
10th, sedimentation pipe；20th, spray structure；30th, one-level washer；31st, one-level washer exhaust outlet；32nd, the first washings
Floss hole；33rd, necking segment；40th, two-stage scrubber；41st, two-stage scrubber exhaust outlet；42nd, the second washing water outlet；50th, enter
Tracheae；60th, impacting tube；61st, ebb interval is crossed；70th, column plate group；80th, washing water inlet；90th, water pump；100th, demister.
Embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase
Mutually combination.Describe the utility model in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
It is pointed out that unless otherwise specified, all technologies used in this application and scientific terminology has and the application
The identical meanings that person of an ordinary skill in the technical field is generally understood that.
In the utility model, in the case where not making opposite explanation, the noun of locality such as " upper and lower " used is typically to be directed to
For direction shown in the drawings, or on vertical, vertical or gravity direction；Similarly, for ease of understanding
And description, " left and right " is typically for shown in the drawings left and right；" inside and outside " refers to the profile relative to each part in itself
It is inside and outside, but the above-mentioned noun of locality is not limited to the utility model.
In order to solve the problems, such as that raw gas washing mechanism is not thorough to rough coal gas washing, insufficient in the prior art, this Shen
It please provide a kind of washing mechanism for raw gas.
As depicted in figs. 1 and 2, the washing mechanism for raw gas in embodiment one includes sedimentation pipe 10, spray structure
20th, one-level washer 30, two-stage scrubber 40 and multiple air inlet pipe 50.Wherein, spray structure 20 is arranged on the upper of sedimentation pipe 10
In the side wall of end or sedimentation pipe 10, spray structure 20 can eject liquid into sedimentation pipe 10.Sedimentation pipe 10 is arranged on one
In level washer 30.One-level washer 30 is arranged in two-stage scrubber 40, and the lower end of two-stage scrubber 40 has drainpipe
Road, the top of two-stage scrubber 40 are provided with two-stage scrubber exhaust outlet 41, and when washing mechanism is in running order, two level is washed
The cleaning solution filled with certain altitude in device 40 is washed, and the liquid level of cleaning solution is submerged in the lower end of one-level washer 30 and sedimentation pipe 10
Under.Multiple air inlet pipe 50 are disposed on sedimentation pipe 10 and positioned at the lower section of spray structure 20, multiple air inlet pipe 50 and sedimentations
Pipe 10 connects.
Raw gas is entered in sedimentation pipe 10 from multiple air inlet pipe 50, and is rotated, hit in sedimentation pipe 10, then slightly
Solid particle polluter in coal gas settles in the presence of centrifugal force and mutual impact force.Meanwhile spray structure
20 pairs of raw gas for entering sedimentation pipe 10 are rinsed, and are easy to the moistening of solid particle polluter to settle.Afterwards, it is solid after part settles
Body granule foreign enters in cleaning solution, and the raw gas after first time washs is entered in one-level washer 30, and is washed in one-level
Wash and second of washing is carried out in device 30, the raw gas after second is washed is entered in two-stage scrubber 40, and is washed in two level
Wash and third time washing is carried out in device 40, be washed clean gas and discharged from two-stage scrubber exhaust outlet 41, consolidating in raw gas
Body granule foreign enters to cleaning solution from the discharge pipe line of the lower end of two-stage scrubber 40, and then completes the washing operation of raw gas.
So, rotary collision is first passed through into the raw gas of washing mechanism so that fraction solids granule foreign is being sprayed, hit
Hit and the multiple action such as centrifugal force under settle, make again by the washing of one-level washer 30 and two-stage scrubber 40 afterwards
With, and then make it that washing of the washing mechanism to raw gas is more thorough, more abundant.In addition, by rinsing maching in embodiment one
Raw gas impurities after structure washing are less, can reduce equipment attrition degree, also can solve the problem that raw gas system band backward
The problem of water band ash is serious.
High ash content, the coal of high ash melting point, oil it should be noted that the washing mechanism in embodiment one is particularly suitable for use in
Burnt and other solid fuels are the rough coal gas washing of gasified raw material.
In the washing mechanism of embodiment one, shower water source can be the two level washings that chilled water pump comes, can also
For cleaner high pressure buck or conversion condensate liquid
As shown in figure 1, in the washing mechanism of embodiment one, there is folder between each air inlet pipe 50 and the tube wall of sedimentation pipe 10
Angle, angle include included angle A.Wherein, it is in included angle A between the axis direction of the axis direction of air inlet pipe 50 and sedimentation pipe 10, along thick
The flow direction air inlet pipe 50 of coal gas extends obliquely downward, and included angle A is more than or equal to 60 degree and less than or equal to 85 degree.So, included angle A
Above-mentioned parameter set and can ensure to rotate collision from the raw gas that air inlet pipe 50 is entered in sedimentation pipe 10, and then so that
Centrifugal sedimentation occurs in sedimentation pipe 10 for raw gas and hit to settle so that the solid impurity particle in raw gas is in sedimentation pipe 10
It is interior to settle, realize the first time washing of raw gas.
Specifically, the raw gas entered from multiple air inlet pipe 50 is rotated in sedimentation pipe 10, collided, spray structure 20
Raw gas is rinsed, cooled so that the solid impurity particle in raw gas is settled down in the washings in sedimentation pipe 10.Its
In, a part of raw gas is entered in washings, is entered to afterwards in one-level washer 30；Another part raw gas passes through spray
Structure 20 is directly entered into one-level washer 30.
It should be noted that the parameter setting not limited to this of included angle A.Alternatively, included angle A can also be 90 degree.Specifically,
The axis direction of air inlet pipe 50 then to exist from the raw gas that multiple air inlet pipe 50 enter perpendicular to the axis direction of sedimentation pipe 10
Linear impactor occurs in sedimentation pipe 10, the raw gas of collision rift is turned back to the top of sedimentation pipe 10, by the spray of spray structure 20
Entered to after leaching, washing, cooling in washings.Above-mentioned setting cause raw gas mutually hit after stop in sedimentation pipe 10 when
Between it is longer, so as to realize that dust removing effects are more preferably to the washing of the long-time of raw gas.
As shown in Fig. 2 in the washing mechanism of embodiment one, angle also includes included angle B.Wherein, the axis of air inlet pipe 50
It is in included angle B between the projection L and reference planes S of direction in the horizontal plane, included angle B is more than or equal to 10 degree and less than or equal to 45 degree,
Wherein, reference planes S is the plane tangent with the circumferential side wall of sedimentation pipe 10 at position on sedimentation pipe 10 of air inlet pipe 50.
Above-mentioned setting can ensure that raw gas rotates collision in sedimentation pipe 10, and then improve the efficiency of dust collection of washing mechanism, subtract
The content of solid particle polluter in few gas discharged from two-stage scrubber exhaust outlet 41.
It should be noted that the parameter setting not limited to this of included angle B.Alternatively, included angle B can also be 90 degree.It is above-mentioned to set
Put can ensure into sedimentation pipe 10 raw gas occur linear impactor so that raw gas mutually hit after in sedimentation pipe 10
Residence time is longer, and so as to realize the long-time washing to raw gas, dust removing effects are more preferably.
Multiple being provided at circumferentially spaced along sedimentation pipe 10 of air inlet pipe 50.As shown in Fig. 2 in the washing mechanism of embodiment one
In, four air inlet pipe 50 are equably set along the circumferentially-spaced of sedimentation pipe 10.Said structure causes the dust removing effects of washing mechanism
More preferably, it is and simple in construction, it is easily worked.
It should be noted that the position of air inlet pipe 50 sets not limited to this.Alternatively, multiple air inlet pipe 50 are along sedimentation pipe 10
Axial and circumferential be arranged at intervals.Multilayer air inlet pipe 50 is disposed with along the axis direction of sedimentation pipe 10, and then causes raw gas
Collision in sedimentation pipe 10 is more violent, has more solid particle polluters to settle, and then causes washing mechanism to thick
The washing of coal gas is more thorough, more abundant.
As shown in figure 1, in the washing mechanism of embodiment one, it is provided with one-level washer 30 and wears multiple air inlet pipe 50
The first via, one-level washer 30 include positioned at top one-level washer exhaust outlet 31 and the first washings positioned at bottom
Floss hole 32, the first washing water outlet 32 are submerged under the liquid level of washings.Alternatively, the lower end of one-level washer 30 is taper
Structure, the first washing water outlet 32 are arranged on cone bottom.
Specifically, the raw gas after first time washs enters to washings, and via the inwall of one-level washer 30
The air-flow rising passway formed with the outer wall of sedimentation pipe 10 is discharged from one-level washer exhaust outlet 31, meanwhile, solid particle polluter
Discharged from the first washing water outlet 32, and then complete the primary wash of raw gas.
Alternatively, the first washing water outlet 32 is arranged in the lower cone bottom of one-level washer 30.
As shown in figure 1, in the washing mechanism of embodiment one, the upper end of one-level washer 30 has necking segment 33, one-level
Washer exhaust outlet 31 is arranged in necking segment 33, and one-level washer exhaust outlet 31 is multiple, multiple one-level washer exhausts
31 being provided at circumferentially spaced along necking segment 33 of mouth.Above-mentioned setting can ensure that the raw gas after first time washs is washed in two level
Wash in device 40 that residence time is more long, be advantageous to the sedimentation of dust and other impurity in raw gas so that the dedusting of washing mechanism
It is better.
It should be noted that the number of one-level washer exhaust outlet 31 and position set not limited to this.Alternatively, one-level is washed
Device exhaust outlet 31 is washed as one, one-level washer exhaust outlet 31 is located at the top of necking segment 33.Above-mentioned setting causes by first
Raw gas after secondary washing is easier to enter to two-stage scrubber 40, so that the flowing of gas is more suitable in washing mechanism
Freely.
In the washing mechanism of embodiment one, the setting one of necking segment 33 is advantageous for solid particle polluter and washed in two level
Sedimentation in device 40, two are advantageous for increase of the raw gas through flow velocity during one-level washer exhaust outlet 31, and then improve shock and remove
Dirt effect.
As shown in figure 1, in the washing mechanism of embodiment one, washing mechanism also includes impacting tube 60, and impacting tube 60 is arranged
The outside of necking segment 33 and between the outer surface of necking segment 33 formed with crossing ebb interval 61, and one-level washer exhaust outlet 31
Projection along the axis direction perpendicular to necking segment 33 is located on impacting tube 60.So, cross ebb interval 61 and play uniform water conservancy diversion work
With so that gas is easier to discharge from one-level washer exhaust outlet 31.The a little higher than reducing pipe height of height of wherein crash panel, with
Ensure that air-flow completely hits, be advantageous to the sedimentation of dust.
Alternatively, one-level washer exhaust outlet 31 is evenly arranged the circumference of necking segment 33, and one-level washer exhaust outlet 31
Axis direction it is vertical with the axis of impacting tube 60, to ensure the abundant collision dedusting of raw gas.
Specifically, the raw gas after first time washs enters to one-level washer 30, is arranged afterwards from one-level washer
Gas port 31 is discharged, and is collided with impacting tube 60, then the fraction solids granule foreign in raw gas is carried out in ebb interval 61 excessively
Secondary settlement, so that washing of the washing mechanism to raw gas is more thorough, more abundant.
As shown in figure 1, in the washing mechanism of embodiment one, washing mechanism also includes column plate group 70 and washing water inlet
80.Wherein, column plate group 70 is arranged in two-stage scrubber 40, and includes multiple towers positioned at the upper end of necking segment 33, column plate group 70
Plate.Washing water inlet 80 is arranged on two-stage scrubber 40, and washing water inlet 80 is located at the top of column plate group 70, from washings
Entrance 80 enter water the raw gas via column plate group 70 can be washed, be provided with two-stage scrubber 40 wear it is multiple
Second via of air inlet pipe 50, two-stage scrubber exhaust outlet 41 are located at the top of column plate group 70, and the lower end of two-stage scrubber 40 is also
With the second washing water outlet 42, the second washing water outlet 42 is connected with discharge pipe line.So, column plate group 70 and from washing
The washings that water inlet 80 enters carry out second to the gas in two-stage scrubber 40 and washed, and then improve washing mechanism
Efficiency of dust collection.
Usually, column plate group 70 includes 2 to 4 column plates, and the top of column plate group 70 is first block of column plate, washing water inlet
80 are arranged on the top of first block of column plate, and then can ensure to carry out water-bath via the gas of column plate group 70 so that rinsing maching
The dust removing effects of structure are more preferably.
It should be noted that in order to improve the efficiency of dust collection of washing mechanism, the washings into washing water inlet 80 can be with
For cleaner conversion condensate liquid, to make full use of raw gas to bring to the steam of rear system.
Alternatively, column plate is solid valve or float-valve type column plate.Gu the cost of valve or float-valve type column plate is relatively low, washing can be reduced
The processing cost of mechanism.
Alternatively, the lower end of two-stage scrubber 40 is pyramidal structure, and the second washing water outlet 42 is arranged on cone bottom.
As shown in figure 1, in the washing mechanism of embodiment one, washing mechanism also includes water pump 90.Wherein, water pump 90 is set
In the outside of two-stage scrubber 40, the water inlet interface of water pump 90 and the certain altitude opening position on the top of two-stage scrubber 40 connect
Connect, the water outlet mouthpiece of water pump 90 is connected with spray structure 20 to provide washings to spray structure 20.So, water pump 90 is rough coal
Washings of the gas by two level washing carry out pressurized operation, and then are delivered to as one-level washings in spray structure 20, so as to
Recycling for washings is realized, reduces energy loss.
Alternatively, the water inlet interface of water pump 90 with first washing the in the vertical direction of water outlet 32 distance D for 1m extremely
1.5m.Above-mentioned setting can ensure to flow into the washings for more cleaning in water pump 90, so as to improve the washing of washing mechanism
Cleannes.
It should be noted that the water inlet interface of water pump 90 is connected with the upper section of two-stage scrubber 40, so ensure into
It is relatively low to enter the one-level washings impurity content of water pump 90, on the one hand will not block the water inlet interface of water pump 90, on the other hand ensure from
The cleanliness factor for the washings that spray structure 20 ejects, the detersive efficiency of washing mechanism is improved, reduce and be vented from two-stage scrubber
Mouth 41 discharges the impurity content of gases.
Be provided with independent liquids double-rows mouth in the washing mechanism of embodiment one, in washing mechanism, dustiness it is higher one
Level washings via one-level washer 30 cone bottom and drain into through one-level washer exhaust outlet 31 the cone bottom of washing mechanism, dust-laden
The upper section for measuring relatively low two level washings delivers to spray structure 20 as raw gas humidification after the pressurization of water pump 90.Meanwhile two
The base section of level washings washs together with after water outlet 42 converges with one-level washings through second and drains into usage on black water device.
To ensure the smooth discharge of washings, the bottom of the first washing water outlet 32 at the cone bottom undergauge of washing mechanism preferably with putting down
Together.
As shown in figure 1, in the washing mechanism of embodiment one, the lower end of sedimentation pipe 10 is laciniation.Zigzag knot
The bubble that structure occurs when can be the rough coal effervescent bath after washing for the first time is cut, first, ensureing the washed water liquid level of sedimentation pipe 10
Stabilization, second, preventing entraining air bubbles dust impurity from being discharged from one-level washer exhaust outlet 31, caused the blocking of ebb interval 61.
As shown in figure 1, in the washing mechanism of embodiment one, washing mechanism also includes demister 100.Wherein, demister
100 are arranged in two-stage scrubber 40 and positioned at top, the lower section of two-stage scrubber exhaust outlet 41 of washing water inlet 80.This
Sample, demister 100 can crush to bubble caused by the gas via column plate group 70, and then increase two-stage scrubber exhaust
The capacity of mouth 41, improve the operating efficiency of washing mechanism.
In the washing mechanism of embodiment one, spray structure 20 is shower group, and shower group is arranged on sedimentation pipe 10
Upper end and the top for being located at multiple air inlet pipe 50.The madial wall of shower group is evenly arranged with hole for water spraying, and the ejection of hole for water spraying
Water (flow) direction is consistent with the airflow direction that raw gas is formed in sedimentation pipe 10, is easy to the moistening of solid particle in raw gas to sink
Drop.
Specifically, washing mechanism uses the symmetrical eddy flow in middle part to hit air inlet, built-in one-level washer 30, impacting tube 60 and double
Leakage fluid dram, it can realize and be hit under the multiple actions such as sedimentation, centrifugal sedimentation, spray Accelerated subsidence in the confined space so that be thick
Coal gas dust removal efficiency high, water consumption is few, efficiently solve the big water consumption that occurs in existing coal gasifying process, system water quality inferiority,
Equipment attrition is serious and raw gas system band water band ash serious problems backward.
Embodiment two
Washing mechanism and the difference of embodiment one in embodiment two are：Whether setting rises gas hood.
In the washing mechanism of embodiment two, washing mechanism also includes rising gas hood.Wherein, rise gas hood and be arranged on two level washing
In device and between the upper surface of impacting tube and column plate group, hit from the raw gas of one-level washer exhaust outlet discharge with impacting tube
Contacted after hitting after liter gas hood baffling with column plate group.
Specifically, it is open at the top of impacting tube, and its upper end is connected with a liter gas hood, raw gas is arranged through one-level washer
After gas port contracting hits impacting tube, most of gas goes column plate group 70 to carry out second of washing, fraction gas after liter gas hood baffling
Stream and largely hit surrounding inwall of the solid particle polluter to settle down along impacting tube and slide into washings, finally through the
Two washing water outlets 42 drain into usage on black water device.Meanwhile the gas being washed thoroughly is via two-stage scrubber exhaust outlet
41 discharges.
As can be seen from the above description, the utility model the above embodiments realize following technique effect：
Raw gas is entered in sedimentation pipe from multiple air inlet pipe, and is rotated, hit in sedimentation pipe, then in raw gas
Solid particle polluter settled in the presence of centrifugal force and mutual impact force.Meanwhile spray structure is to entering
The raw gas of sedimentation pipe is rinsed, and is easy to the moistening of solid particle polluter to settle.Afterwards, solid particle polluter after part settles
Into in cleaning solution, the raw gas after first time washs is entered in one-level washer, and carries out in one-level washer the
Secondary washing, the raw gas after second is washed is entered in two-stage scrubber, and third time is carried out in two-stage scrubber
Washing, it is washed clean gas and is discharged from two-stage scrubber exhaust outlet, the solid particle polluter in raw gas washs from two level
The discharge pipe line of device lower end enters to cleaning solution, and then completes the washing operation of raw gas.
So, rotary collision is first passed through into the raw gas of washing mechanism so that fraction solids granule foreign is being sprayed, hit
Hit and the multiple action such as centrifugal force under settle, enter again by one-level washer and the cleaning function of two-stage scrubber afterwards
And make it that washing of the washing mechanism to raw gas is more thorough, more abundant.In addition, after washing mechanism washing in the application
Raw gas impurities it is less, equipment attrition degree can be reduced, also can solve the problem that raw gas, system band water band ash is tight backward
The problem of weight.
Obviously, above-mentioned described embodiment is only the embodiment of the utility model part, rather than whole realities
Apply example.Based on the embodiment in the utility model, those of ordinary skill in the art institute under the premise of creative work is not made
The every other embodiment obtained, it should all belong to the scope of the utility model protection.
It should be noted that term used herein above is merely to describe embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative
It is also intended to include plural form, additionally, it should be understood that, when in this manual using term "comprising" and/or " bag
Include " when, it indicates existing characteristics, step, work, device, component and/or combinations thereof.
It should be noted that term " first " in the description and claims of this application and above-mentioned accompanying drawing, "
Two " etc. be for distinguishing similar object, without for describing specific order or precedence.It should be appreciated that so use
Data can exchange in the appropriate case, so that presently filed embodiment described herein can be with except illustrating herein
Or the order beyond those of description is implemented.
Preferred embodiment of the present utility model is the foregoing is only, is not limited to the utility model, for this
For the technical staff in field, the utility model can have various modifications and variations.It is all in the spirit and principles of the utility model
Within, any modification, equivalent substitution and improvements made etc., it should be included within the scope of protection of the utility model.
Claims (13)
- A kind of 1. washing mechanism for raw gas, it is characterised in that including：Sedimentation pipe (10)；Spray structure (20), it is arranged in the upper end of the sedimentation pipe (10) or the side wall of the sedimentation pipe (10), the spray Leaching structure (20) can eject liquid into the sedimentation pipe (10)；One-level washer (30), the sedimentation pipe (10) are arranged in the one-level washer (30)；Two-stage scrubber (40), the one-level washer (30) is arranged in the two-stage scrubber (40), and the two level is washed Washing the lower end of device (40) has discharge pipe line, and the top of the two-stage scrubber (40) is provided with two-stage scrubber exhaust outlet (41), when the washing mechanism is in running order, the cleaning solution filled with certain altitude in the two-stage scrubber (40), and The lower end of the one-level washer (30) and the sedimentation pipe (10) is submerged under the liquid level of the cleaning solution；Multiple air inlet pipe (50), it is disposed on the sedimentation pipe (10) and positioned at the lower section of the spray structure (20), it is more The individual air inlet pipe (50) connects with the sedimentation pipe (10).
- 2. washing mechanism according to claim 1, it is characterised in that each air inlet pipe (50) and the sedimentation pipe (10) Tube wall between there is angle, the angle includes：Included angle A, it is in the included angle A between the axis direction of the air inlet pipe (50) and the axis direction of the sedimentation pipe (10), Extended obliquely downward along air inlet pipe described in the flow direction of raw gas (50), the included angle A is more than or equal to 60 degree and is less than or equal to 85 degree.
- 3. washing mechanism according to claim 1, it is characterised in that each air inlet pipe (50) and the sedimentation pipe (10) Tube wall between there is angle, the angle includes：Included angle A, it is in the included angle A between the axis direction of the air inlet pipe (50) and the axis direction of the sedimentation pipe (10), The included angle A is 90 degree.
- 4. the washing mechanism according to Claims 2 or 3, it is characterised in that the angle also includes：Included angle B, it is in the angle between the projection L and reference planes S of the axis direction of the air inlet pipe (50) in the horizontal plane B, the included angle B are more than or equal to 10 degree and less than or equal to 45 degree, wherein, the reference planes S is the air inlet pipe (50) in institute State plane tangent with the circumferential side wall of the sedimentation pipe (10) at position on sedimentation pipe (10).
- 5. washing mechanism according to any one of claim 1 to 3, it is characterised in that multiple air inlet pipe (50) edges The axial direction of the sedimentation pipe (10) and/or it is provided at circumferentially spaced.
- 6. washing mechanism according to any one of claim 1 to 3, it is characterised in that on the one-level washer (30) The first via for wearing multiple air inlet pipe (50) is provided with, the one-level that the one-level washer (30) includes positioned at top is washed Device exhaust outlet (31) and the first washing water outlet (32) positioned at bottom are washed, the first washing water outlet (32) submerges institute Under the liquid level for stating washings.
- 7. washing mechanism according to claim 6, it is characterised in that the upper end of the one-level washer (30) has necking down Section (33), the one-level washer exhaust outlet (31) is arranged in the necking segment (33), and the one-level washer exhaust outlet (31) it is one or more, when the one-level washer exhaust outlet (31) is one, the one-level washer exhaust outlet (31) Positioned at the top of the necking segment (33), when the one-level washer exhaust outlet (31) is multiple, multiple one-levels washings Device exhaust outlet (31) being provided at circumferentially spaced along the necking segment (33).
- 8. washing mechanism according to claim 7, it is characterised in that the washing mechanism also includes impacting tube (60), institute State impacting tube (60) and be set in the outside of the necking segment (33) and between the outer surface of the necking segment (33) formed with mistake Ebb interval (61), and projection position of the one-level washer exhaust outlet (31) along the axis direction perpendicular to the necking segment (33) In on the impacting tube (60).
- 9. washing mechanism according to claim 8, it is characterised in that the washing mechanism also includes：Column plate group (70), it is arranged in the two-stage scrubber (40), and positioned at the upper end of the necking segment (33), the column plate Group (70) includes multiple column plates；Washing water inlet (80), it is arranged on the two-stage scrubber (40), and the washing water inlet (80) are located at the tower The top of plate group (70), the water entered from the washing water inlet (80) can enter to the raw gas via the column plate group (70) Row washs, and is provided with the second via for wearing multiple air inlet pipe (50) on the two-stage scrubber (40), the two level is washed The top for washing device (40) is additionally provided with two-stage scrubber exhaust outlet (41), and the two-stage scrubber exhaust outlet (41) is located at the tower The top of plate group (70), the lower end of the two-stage scrubber (40) also have the second washing water outlet (42), and described second washes Water outlet (42) is washed to be connected with the discharge pipe line.
- 10. washing mechanism according to claim 9, it is characterised in that the washing mechanism also includes：Gas hood is risen, is arranged in the two-stage scrubber (40) and positioned at the upper surface of the impacting tube (60) and the column plate group (70) between, through described liter of gas hood after the raw gas of the one-level washer exhaust outlet (31) discharge and impacting tube (60) shock Contacted after baffling with the column plate group (70).
- 11. washing mechanism according to claim 9, it is characterised in that the washing mechanism also includes：Water pump (90), it is arranged on the outside of the two-stage scrubber (40), water inlet interface and the two level of the water pump (90) The certain altitude opening position connection on the top of washer (40), water outlet mouthpiece and the spray structure (20) of the water pump (90) Connect to provide washings to the spray structure (20).
- 12. washing mechanism according to claim 1, it is characterised in that the lower end of the sedimentation pipe (10) is zigzag knot Structure.
- 13. washing mechanism according to claim 9, it is characterised in that the washing mechanism also includes：Demister (100), it is arranged in the two-stage scrubber (40) and positioned at the top of the washing water inlet (80), described The lower section of two-stage scrubber exhaust outlet (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721019550.3U CN207159165U (en) | 2017-08-15 | 2017-08-15 | Washing mechanism for raw gas |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721019550.3U CN207159165U (en) | 2017-08-15 | 2017-08-15 | Washing mechanism for raw gas |
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| CN207159165U true CN207159165U (en) | 2018-03-30 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108404586A (en) * | 2018-05-14 | 2018-08-17 | 北京三聚绿能科技有限公司 | A kind of purification method and purification system of pyrolysis gas of biomass |
| CN108546571A (en) * | 2018-05-14 | 2018-09-18 | 北京三聚绿能科技有限公司 | The method and device of solid particle and tar in a kind of separating biomass pyrolysis gas |
| CN109593564A (en) * | 2018-10-08 | 2019-04-09 | 泰安阳光天润化工工程有限公司 | A kind of coke-oven plant's elution benzene workshop section pipe free furnace de-benzene process |
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2017
- 2017-08-15 CN CN201721019550.3U patent/CN207159165U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108404586A (en) * | 2018-05-14 | 2018-08-17 | 北京三聚绿能科技有限公司 | A kind of purification method and purification system of pyrolysis gas of biomass |
| CN108546571A (en) * | 2018-05-14 | 2018-09-18 | 北京三聚绿能科技有限公司 | The method and device of solid particle and tar in a kind of separating biomass pyrolysis gas |
| CN109593564A (en) * | 2018-10-08 | 2019-04-09 | 泰安阳光天润化工工程有限公司 | A kind of coke-oven plant's elution benzene workshop section pipe free furnace de-benzene process |
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