CN203487109U - Washing device with washing tower for synthesis gas containing solid particles - Google Patents
Washing device with washing tower for synthesis gas containing solid particles Download PDFInfo
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- CN203487109U CN203487109U CN201320604374.5U CN201320604374U CN203487109U CN 203487109 U CN203487109 U CN 203487109U CN 201320604374 U CN201320604374 U CN 201320604374U CN 203487109 U CN203487109 U CN 203487109U
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Abstract
The utility model discloses a washing device with a washing tower for synthesis gas containing solid particles. The washing device comprises a venturi washing device, a pressure bearing pot body, a washing inner member and a swirler; a straight pipe is arranged at the inlet at the upper end inlet of the pressure bearing pot body; the upper end of the straight pipe is connected and fixed with the venturi washing device; the lower end of the straight pipe is connected with the swirler; the swirler is downwards inserted into washing water in the pressure bearing pot body; a gas outlet pipe, a gas distributor, the washing inner member, a washing water circular pipe and a separating inner member of the swirler are sequentially arranged in the annular space formed between the straight pipe and the inner wall of the pressure bearing pot body from bottom to top; a liquid discharging port is formed in the bottom of the pressure bearing pot body; a washing water inlet and a synthesis outlet are arranged at the upper end of the side wall of the pressure bearing pot body. According to the washing device with the washing tower for the synthesis gas containing the solid particles adopting the technical scheme, the venturi washing device, a separator and the washing tower are integrated together, the processing capacity is large, the equipment is compact in structure as connected lines between two pieces of original equipment are omitted, the equipment manufacturing cost and operation cost are low, the production and operation processes are simplified, the synthesis gas is washed twice and the dedusting efficiency is high.
Description
Technical field
The utility model relates to containing solid particulate synthesis gas washing device, particularly with washing tower containing solid particulate synthesis gas washing device.
Background technology
Now with in coal, oxygen or air and water vapour reaction producing synthesis gas process, synthetic gas can be carried a certain amount of pulverized coal particle secretly, also has the ammonia, prussiate, stupid etc. of minute quantity, after reclaiming its sensible heat simultaneously, need to wash to synthetic gas the needs of producing to meet downstream process.
The gas washing purification process that Coal Chemical Industry industry adopts is at present that crude synthesis gas is introduced to Venturi scrubber, the solid particulates such as lime-ash of carrying secretly in crude synthesis gas are carried out moistening and reunited, then send into washing tower washing, or adopt two-stage Venturi, or washing tower is sent in the combination of Venturi and separator again, the crude synthesis gas having washed is sent into lower procedure, and Heisui River enters black water treatment system and processes and recycle.
Synthesis gas washing refining plant and technique, long flow path, complex structure, facility investment is large, takes up room large.
Summary of the invention
The utility model, for solving the problems of the technologies described above, proposes a kind of efficient synthesis gas washing dust separation device.
For reaching above object, be achieved through the following technical solutions:
With washing tower containing solid particulate synthesis gas washing device, comprising: Venturi scrubber, pressure-bearing tank body, washing internals and swirler;
Venturi scrubber is fixed on pressure-bearing tank body top, and upper surface has synthetic gas entrance; Venturi scrubber is from top to bottom followed successively by, and entrance cylindrical section, circular cone contraction section and throat's cylindrical section form; Throat's cylindrical section place is provided with the spray mouth of a river;
Ingress, pressure-bearing tank body upper end is provided with the straight tube of a section, and straight tube is fixed along central axial direction and pressure-bearing tank body; Straight tube upper end and throat's cylindrical section are connected and fixed, and lower end is connected with swirler; Swirler is inserted into downwards in the washing water in pressure-bearing tank inner chamber; In the annular space of straight tube and the formation of pressure-bearing inner tank wall, be provided with successively from bottom to top escape pipe, gas distributor, washing internals, washing water endless tube and the separated internals of swirler;
Pressure-bearing tank base is provided with leakage fluid dram, and sidewall upper is provided with washing water inlet and the syngas outlet being communicated with washing water endless tube.
According to claim 1 with washing tower containing solid particulate synthesis gas washing device, swirler comprises: cylinder, pipe core, guide vane, escape pipe and vortex broken device; Cylinder upper end is connected and fixed by ring flange and straight tube, and cylinder center's axial location is provided with pipe core, and pipe core upper end is guide cone structure; Guide cone cone point upwards;
In the annular chamber of cylinder inner wall and the formation of pipe core outer wall, be provided with spiral helicine guide vane;
The processing of pipe core middle part is for being communicated with the dead slot of pipe core interior or exterior space, and the connection of pipe core lower end is fixed with escape pipe;
Cylinder interior lower end is provided with vortex broken device, and vortex broken device below is cylinder outlet;
The utility model that adopts technique scheme, the synthetic gas that contains solid particulate enters Venturi scrubber by synthetic gas entrance, along entrance cylindrical section, flows downward, and enters circular cone contraction section, and now flow velocity increases gradually, at throat's cylindrical section place flow velocity, reaches maximum;
Washing water spray into throat's cylindrical section by spray water entrance, the formed high velocity air of synthetic gas that is contained solid particulate clashes into and atomization, fluid is high velocity turbulent flow state, steam fully mixes, solid particulate in gas fully contacts with drop and is soaked, and wet synthetic gas continues to flow out Venturi scrubber downwards;
Flow out the wet synthetic gas of Venturi scrubber, enter after pressure-bearing tank body, along straight tube, continue to flow downward, through swirler, carry out gas-liquid-solid separation, isolated liquid-solid mixture is after discharge straight tube bottom, be mixed into washing water in, with washing water together, from the leakage fluid dram device for transferring of pressure-bearing tank base;
The escape pipe of isolated gas spin current device drains in the annular space between straight tube and pressure-bearing tank body, on washing water liquid level;
Gas distributor redistributes isolated gas (guiding that realizes gas by the turning vane of processing different directions spreads), is evenly covered with whole annular space;
Gas through redistribution upwards continues to flow into washing internals, on washing internals, be provided with washing water endless tube, washing water are from washing water inlet access arrangement, distribution through washing water endless tube, evenly be sprayed in washing internals, synthetic gas is in washing internals, with mobile from top to bottom washing water counter current contact, carry out secondary washing purification, finally by crossing the separated internals that are arranged on pressure-bearing tank inner chamber top, remove steam and the solid particulate in synthetic gas, carried secretly, the syngas outlet device for transferring by separated internals top, enters lower procedure;
Said structure swirler 7 structural principles are that the cylinder of a hollow is positioned at cylinder axis place, top is provided with guide cone, and guide cone is by pipe core top closure, cone point upwards, can effectively reduce so that eliminate the existence that flows to air whirl, improve the fluidised form of inlet air flow, guarantee the treatment effect of centrifugation, bottom connects escape pipe, middle one section of outer wall is covered with one by one little long strip shape dead slot, dead slot is communicated with pipe core interior or exterior space, from the lower end of deflection cone, start to arrange guide vane, guide vane is arranged at the annular space space between pipe core and cylinder, adopts multiple-blade design, can form multiple entry runner, the stability that can strengthen flow field, is beneficial to cyclonic separation, in addition, guide vane adopts and becomes lift angle spiral, two ends are large, middle little, mid-way is just furnished with long strip shape dead slot place corresponding to pipe core, air-flow flows to after turning vane like this, along with reducing gradually of lead angle, institute's centrifugalization is more and more stronger, wherein, heavier solid-liquid two-phase is near cylinder inner wall side flow, lighter gas phase flows near pipe core place, arrive the position that has long strip shape dead slot on pipe core, this effect reaches the strongest, now, because the resistance of pipe core internal flow is less than the resistance of flows outside, therefore the gaseous fluid near pipe core flows to the inside of pipe core by dead slot, by escape pipe, discharged, decentering pipe liquid-solid two-phase fluid far away continues to flow downward along guide vane, and along with the increase gradually of guide vane lead angle, institute's centrifugalization weakens gradually, the last basic rectilinear flow that recovers,
Pipe core end is connected with the escape pipe of gaseous fluid, and escape pipe two ends are bending upwards, and two ends export over against gas distributor lower surface;
In cylinder lower end, be provided with vortex broken device, if it is still very violent to leave the fluid vortex of guide vane, vortex broken device can destroy eddy current, and the fluid flow state that flows out cylinder is stablized.
Bottom of cylinder extend under washing water liquid level, and end outlet place sidewall is processed as laciniation, is conducive to the even diffusion of liquid-solid two-phase fluid, avoids washing water liquid level to produce violent disturbance.
With respect to conventional art, the utlity model has following advantage:
1. the swirler arranging in Venturi scrubber exit, for swiftly flowing gas-liquid-solid miscible fluids, played the effect of centrifugation, wherein heavier liquid-solid phase be centrifuged power effect along swirler cylinder inner wall along guide vane direction screw current downflow, finally flow out swirler, mix with washing water; Lighter gas phase is discharged swirler from escape pipe, upwards flows in the other direction, enters washing internals and carries out secondary washing dedusting.
2. Venturi scrubber, separator and washing tower are integrated, compare with adopting respectively Venturi scrubber, separator and washing tower, save connected pipeline between two equipment, reduced device fabrication and running cost, simplified production operation program.
3. through twice washing, efficiency of dust collection is high, and processing power is large.
4. compact equipment, floor space is little.
Above-mentioned explanation is only the general introduction of technical solutions of the utility model, in order to better understand technique means of the present utility model, and can be implemented according to the content of specification sheets, and for above and other object of the present utility model, feature and advantage can be become apparent, below especially exemplified by preferred embodiment, and coordinate accompanying drawing, be described in detail as follows.
Accompanying drawing explanation
The utility model is totally 2 width accompanying drawings, wherein:
Fig. 1 is one-piece construction schematic diagram of the present utility model.
Fig. 2 is hydrocyclone structure schematic diagram of the present utility model.
In figure: 1, synthetic gas entrance, 2, Venturi scrubber, 2.1, entrance cylindrical section, 2.2, circular cone contraction section, 2.3, throat's cylindrical section, 3, the spray mouth of a river, 4, pressure-bearing tank body, 5, washing water inlet, 6, washing internals, 7, swirler, 8, gas distributor, 9, leakage fluid dram, 10, syngas outlet, 11, separated internals, 12, cylinder, 13, guide vane, 14, pipe core, 15, dead slot, 16, vortex broken device, 17, escape pipe, 18, guide cone, 19, washing water endless tube.
Embodiment
As depicted in figs. 1 and 2 with washing tower containing solid particulate synthesis gas washing device, comprising: Venturi scrubber 2, pressure-bearing tank body 4, washing internals 6 and swirler 7;
Venturi scrubber 2 is fixed on pressure-bearing tank body 2 tops, and upper surface has synthetic gas entrance 1; Venturi scrubber 1 is from top to bottom followed successively by, and entrance cylindrical section 2.1, circular cone contraction section 2.2He throat cylindrical section 2.3 form; Throat's cylindrical section 2.3 places are provided with the spray mouth of a river 3;
Pressure-bearing tank body 2 ingress, upper end are provided with the straight tube of a section, and straight tube is fixing along central axial direction and pressure-bearing tank body 2; Straight tube upper end and throat's cylindrical section 2.3 are connected and fixed, and lower end is connected with swirler 7; Swirler 7 is inserted into downwards in the washing water in pressure-bearing tank body 2 inner chambers; In the annular space of straight tube and the 4 inwalls formation of pressure-bearing tank body, be provided with successively from bottom to top escape pipe 17, gas distributor 8, washing internals 6, the washing water endless tube 19 and separated internals 11 of swirler 7;
Pressure-bearing tank body 2 bottoms are provided with leakage fluid dram 9, and sidewall upper is provided with washing water inlet 5 and the syngas outlet 10 being communicated with washing water endless tube 18;
In the annular chamber of cylinder 12 inwalls and pipe core 14 outer walls formation, be provided with spiral helicine guide vane 13;
Adopt the utility model of technique scheme, the synthetic gas that contains solid particulate enters Venturi scrubber 2 by synthetic gas entrance 1, along entrance cylindrical section 2.1, flows downward, and enters circular cone contraction section 2.2, now flow velocity increases gradually, at throat's cylindrical section 2.3 place's flow velocitys, reaches maximum;
Washing water spray into throat's cylindrical section 2.3 by spray water entrance 3, the formed high velocity air of synthetic gas that is contained solid particulate clashes into and atomization, fluid is high velocity turbulent flow state, steam fully mixes, solid particulate in gas fully contacts with drop and is soaked, and wet synthetic gas continues to flow out Venturi scrubber 2 downwards;
Flow out the wet synthetic gas of Venturi scrubber 2, enter after pressure-bearing tank body, along straight tube, continue to flow downward, through swirler 7, carry out gas-liquid-solid separation, isolated liquid-solid mixture is after discharge straight tube bottom, be mixed into washing water in, with washing water together, leakage fluid dram 9 device for transferring from pressure-bearing tank body 4 bottoms;
The escape pipe 17 of isolated gas spin current device 7 drains in the annular space between straight tube and pressure-bearing tank body, on washing water liquid level;
Gas through redistribution upwards continues to flow into washing internals 6, on washing internals 6, be provided with washing water endless tube 19, washing water are 5 access arrangements from washing water inlet, distribution through washing water endless tube 19, evenly be sprayed in washing internals 6, synthetic gas is in washing internals 6, with mobile from top to bottom washing water counter current contact, carry out secondary washing purification, finally by crossing the separated internals 11 that are arranged on pressure-bearing tank body 4 inner chamber tops, remove steam and the solid particulate in synthetic gas, carried secretly, syngas outlet 10 device for transferring by separated internals 11 tops, enter lower procedure,
Said structure swirler 7 structural principles are that the cylinder 12 of a hollow is positioned at cylinder axis place, top is provided with guide cone 18, and guide cone 18 is by pipe core 14 top closure, cone point upwards, can effectively reduce so that eliminate the existence that flows to air whirl, improve the fluidised form of inlet air flow, guarantee the treatment effect of centrifugation, bottom connects escape pipe 17, middle one section of outer wall is covered with one by one little long strip shape dead slot 15, dead slot 15 is communicated with pipe core 14 interior or exterior spaces, from the lower end of deflection cone 18, start to arrange guide vane 13, guide vane 13 is arranged at the annular space space between pipe core 14 and cylinder 12, adopts multiple-blade design, can form multiple entry runner, the stability that can strengthen flow field, is beneficial to cyclonic separation, in addition, guide vane 13 adopts and becomes lift angle spiral, two ends are large, middle little, mid-way is just furnished with long strip shape dead slot 15 places corresponding to pipe core, air-flow flows to after turning vane 13 like this, along with reducing gradually of lead angle, institute's centrifugalization is more and more stronger, wherein, heavier solid-liquid two-phase is near cylinder inner wall side flow, lighter gas phase flows near pipe core 14 places, arrive the position that has long strip shape dead slot 15 on pipe core 14, this effect reaches the strongest, now, because the resistance of pipe core 14 internal flows is less than the resistance of flows outside, therefore the gaseous fluid near pipe core 14 flows to the inside of pipe core 14 by dead slot 15, by escape pipe, discharged, decentering pipe liquid-solid two-phase fluid far away continues to flow downward along guide vane 13, and along with the increase gradually of guide vane 14 lead angles, institute's centrifugalization weakens gradually, the last basic rectilinear flow that recovers,
In cylinder 12 lower ends, be provided with vortex broken device 16, if it is still very violent to leave the fluid vortex of guide vane 13, vortex broken device can destroy eddy current, and the fluid flow state that flows out cylinder 12 is stablized.
With respect to conventional art, the utlity model has following advantage:
1. the swirler arranging in Venturi scrubber exit, for swiftly flowing gas-liquid-solid miscible fluids, played the effect of centrifugation, wherein heavier liquid-solid phase be centrifuged power effect along swirler cylinder inner wall along guide vane direction screw current downflow, finally flow out swirler, mix with washing water; Lighter gas phase is discharged swirler from escape pipe, upwards flows in the other direction, enters washing internals and carries out secondary washing dedusting.
2. Venturi scrubber, separator and washing tower are integrated, compare with adopting respectively Venturi scrubber, separator and washing tower, save connected pipeline between two equipment, reduced device fabrication and running cost, simplified production operation program.
3. through twice washing, efficiency of dust collection is high, and processing power is large.
4. compact equipment, floor space is little.
The above, it is only preferred embodiment of the present utility model, not the utility model is done to any pro forma restriction, although the utility model discloses as above with preferred embodiment, yet not in order to limit the utility model, any those skilled in the art are not departing within the scope of technical solutions of the utility model, when utilizing, appeal the equivalent embodiment that the technology contents disclosing is made a little change or is modified to equivalent variations, in every case be the content that does not depart from technical solutions of the utility model, foundation technical spirit of the present utility model is to any simple modification made for any of the above embodiments, equivalent variations and modification, all still belong in the scope of technical solutions of the utility model.
Claims (4)
- With washing tower containing solid particulate synthesis gas washing device, it is characterized in that: comprise Venturi scrubber (2), pressure-bearing tank body (4), washing internals (6) and swirler (7);Described Venturi scrubber (2) is fixed on pressure-bearing tank body (2) top, and upper surface has synthetic gas entrance (1); Described Venturi scrubber (1) is from top to bottom followed successively by, and entrance cylindrical section (2.1), circular cone contraction section (2.2) and throat's cylindrical section (2.3) form; Described throat cylindrical section (2.3) locates to be provided with the spray mouth of a river (3);Described pressure-bearing tank body (2) ingress, upper end is provided with the straight tube of a section, and described straight tube is fixing along central axial direction and pressure-bearing tank body (2); Described straight tube upper end and throat's cylindrical section (2.3) are connected and fixed, and lower end is connected with swirler (7); Described swirler (7) is inserted into downwards in the washing water in pressure-bearing tank body (2) inner chamber; In the annular space of straight tube and the formation of pressure-bearing tank body (4) inwall, be provided with successively from bottom to top escape pipe (17), gas distributor (8), washing internals (6), the washing water endless tube (19) and separated internals (11) of swirler (7);Described pressure-bearing tank body (2) bottom is provided with leakage fluid dram (9), and sidewall upper is provided with washing water inlet (5) and the syngas outlet (10) being communicated with washing water endless tube (18).
- According to claim 1 with washing tower containing solid particulate synthesis gas washing device, it is characterized in that:Described swirler (7) comprising: cylinder (12), pipe core (14), guide vane (13), escape pipe (17) and vortex broken device (16); Described cylinder (12) upper end is connected and fixed by ring flange and straight tube, and cylinder (12) central axis position is provided with pipe core (14), and pipe core (14) upper end is guide cone (18) structure; Described guide cone (18) cone point upwards;In the annular chamber of cylinder (12) inwall and the formation of pipe core (14) outer wall, be provided with spiral helicine guide vane (13);The processing of described pipe core (14) middle part is used for being communicated with the dead slot (15) of pipe core (14) interior or exterior space, and the connection of pipe core (14) lower end is fixed with escape pipe (17);Described cylinder (12) interior lower end is provided with vortex broken device (16), and vortex broken device (16) below is cylinder (12) outlet.
- According to claim 1 with washing tower containing solid particulate synthesis gas washing device, it is characterized in that: described escape pipe (17) two ends are bending upwards, and two ends export over against gas distributor (8) lower surface.
- According to claim 1 with washing tower containing solid particulate synthesis gas washing device, it is characterized in that: described cylinder (12) lower end outlet sidewall is processed as spination.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320604374.5U CN203487109U (en) | 2013-09-27 | 2013-09-27 | Washing device with washing tower for synthesis gas containing solid particles |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320604374.5U CN203487109U (en) | 2013-09-27 | 2013-09-27 | Washing device with washing tower for synthesis gas containing solid particles |
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| CN203487109U true CN203487109U (en) | 2014-03-19 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104073295A (en) * | 2014-06-24 | 2014-10-01 | 中国神华能源股份有限公司 | Washing tower and coal gasification process system with same |
| CN104312637A (en) * | 2014-11-10 | 2015-01-28 | 北京华福工程有限公司 | Efficient separating equipment special for chilling, deoiling and dedusting of pyrolysis gas |
| CN104531231A (en) * | 2014-12-25 | 2015-04-22 | 清华大学 | High-efficiency composite carbon black washing tower for high-ash-content coal gasification |
| CN105176600A (en) * | 2015-10-15 | 2015-12-23 | 上海锅炉厂有限公司 | Washing tower structure |
| CN105176599A (en) * | 2015-09-29 | 2015-12-23 | 中国东方电气集团有限公司 | Impact flow washing device for purifying raw gas and purifying process |
| CN105349187A (en) * | 2015-11-20 | 2016-02-24 | 山东润银生物化工股份有限公司 | Pressurized pulverized coal gasified synthetic gas dedusting apparatus and dedusting method thereof |
-
2013
- 2013-09-27 CN CN201320604374.5U patent/CN203487109U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104073295A (en) * | 2014-06-24 | 2014-10-01 | 中国神华能源股份有限公司 | Washing tower and coal gasification process system with same |
| CN104073295B (en) * | 2014-06-24 | 2016-10-05 | 中国神华能源股份有限公司 | Scrubbing tower and there is the coal gasifying process system of this scrubbing tower |
| CN104312637A (en) * | 2014-11-10 | 2015-01-28 | 北京华福工程有限公司 | Efficient separating equipment special for chilling, deoiling and dedusting of pyrolysis gas |
| CN104531231A (en) * | 2014-12-25 | 2015-04-22 | 清华大学 | High-efficiency composite carbon black washing tower for high-ash-content coal gasification |
| CN105176599A (en) * | 2015-09-29 | 2015-12-23 | 中国东方电气集团有限公司 | Impact flow washing device for purifying raw gas and purifying process |
| CN105176600A (en) * | 2015-10-15 | 2015-12-23 | 上海锅炉厂有限公司 | Washing tower structure |
| CN105349187A (en) * | 2015-11-20 | 2016-02-24 | 山东润银生物化工股份有限公司 | Pressurized pulverized coal gasified synthetic gas dedusting apparatus and dedusting method thereof |
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