CN103484168B - Split combined type high-temperature gas washing cooling device - Google Patents
Split combined type high-temperature gas washing cooling device Download PDFInfo
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- CN103484168B CN103484168B CN201310467291.0A CN201310467291A CN103484168B CN 103484168 B CN103484168 B CN 103484168B CN 201310467291 A CN201310467291 A CN 201310467291A CN 103484168 B CN103484168 B CN 103484168B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/16—Combined cycle power plant [CCPP], or combined cycle gas turbine [CCGT]
- Y02E20/18—Integrated gasification combined cycle [IGCC], e.g. combined with carbon capture and storage [CCS]
Abstract
The invention provides a split combined type high-temperature gas washing cooling device, which comprises a first shell and a second shell. The first shell is provided with a discharge port and a first black water outlet. The lower part of the second shell is provided with a gas introduction pipe, which is connected to the discharge port. The upper part of the gas introduction pipe is equipped with a gas distributor, which is disposed in a liquid pool inside the second shell. The second shell is also internally provided with a combined bubble splitter. The upper part of the second shell is provided with a washing water inlet, one end of which is communicated with the first black water outlet and the other end of which is in connection with a liquid water distribution trough. The upper lateral side of the second shell is provided with a gas outlet. By coupling the spray flow of vertical falling film, pressure atomization and bubbling processes, the heat and mass transfer effects can be enhanced more effectively, the crude synthetic gas washing and cooling efficiency can be enhanced, the slag block emergence possibility of equipment can be reduced, and the equipment investment cost can be lowered.
Description
Technical field
The present invention be more particularly directed to a kind of separate assembling high-temperature gas wash cooling device.
Background technology
Vapourizing furnace is used for the thick synthetic gas of processing, and described thick synthetic gas is produced by hydrocarbon polymers such as coal, Sweet natural gas, shale gas, refinery coke, biomass, mud, with H
2, CO, CO
2for host component, its general pressure is 0.2 ~ 12MPa, and temperature is 1000 ~ 1800 DEG C.Containing lime-ash in coal gas, its dry gas composition CO and H
2be 75 ~ 94%, CO
2be 2 ~ 23%, N
2, Ar, H
2s, COS, NH
3, HCl, CH
4, HCN, HCOOH etc. are 3 ~ 5%.
In order to by synthetic gas for the production of industrial circles such as the chemical industry such as synthetic ammonia, methyl alcohol, oil product, alkene, combined cycle generation (IGCC), metallurgical industry (direct reduction iron making), first to its washing, the lime-ash wherein carried secretly and flying dust must be removed.
Be most widely used in the process of field of gasification high-temperature gas at present, technology is the most ripe is chilling process, the thick synthetic gas of high temperature is washed in this flow process systemic circulation Heisui River, cooling can be reached preferably, wash the effect of ash and slagging-off, ensure the normal operation of follow-up workshop section, the general and vaporizer of scrubbing-cooling chamber (or claim shock chamber) forms vapourizing furnace main body jointly.
In operational process, often there is the problem such as synthetic gas liquid entrainment, bed liquid level instability, solid phase lime-ash washing effect difference leaving vapourizing furnace outlet in the shock chamber that some Coal Gasification Technology introduced adopt.The patent No. be 01112880.1 and 01112702.3 Chinese patent disclose a kind of novel scrubbing-cooling chamber, a kind of compound bed-type that this structure adopts trickle bed to combine with bubbling bed, utilize the flowing of the spray of fluid to move with bubbling and reach gas-liquid-solid three-phase heat mass transportation process, according to fluid flow feature, scrubbing-cooling chamber bed can be divided into gas and liquid flowing district, bubbling area, liquid-solid separating region and gas-liquid separation zone etc., and the primary member of scrubbing-cooling chamber has wash cooling water distribution ring, scrubbing-cooling tube and division plate etc.
This scrubbing-cooling chamber has been successfully applied on domestic and international 30 Yu Jia enterprise more than 90 platform vapourizing furnaces at present.But along with coal for gasification has the trend towards the coal using high ash content, high ash melting point or slag viscosity-temperature characteristics poor, such coal mobility is at high temperature poor and be acted upon by temperature changes large, use existing downtake or wash cooling tubular construction, in actual mechanical process, there is the probability increase of stifled slag in cinder notch or pipe, cause the bias current of high-temperature gas and affect the long-term operation of device.
In addition, for the wash cooling being completed high-temperature gas by a housing, because the gas leaving housing will reach gas-liquid phase equilibrium state, and be not with solid lime-ash in gas phase, therefore the duration of contact that high-temperature gas and wash cooling water have one relatively to grow will be ensured, could realize the wash cooling effect required by technique, this just certainly will cause the length of airway longer.
Summary of the invention
The present invention is higher in order to the probability overcoming stifled slag in cinder notch in prior art or pipe, causes high-temperature gas bias current then to affect the long-term operation of device, and the defect such as facility investment expense is high, provides a kind of separate assembling high-temperature gas wash cooling device.
The present invention solves above-mentioned technical problem by following technical proposals:
A kind of separate assembling high-temperature gas wash cooling device, its feature is, it comprises one first housing and one second housing, the top of this first housing is provided with a gas purging mouth after washing cooling, the bottom of this first housing is provided with one for discharging the first Heisui River outlet in Heisui River, the bottom of this second housing is provided with one for the gas introduction tube of the gas of receiving this first housing to derive, this gas introduction tube is connected with this discharge outlet, the top of this gas introduction tube is provided with a gas distributor, and this gas distributor is deeply arranged on the liquid pool of this second enclosure interior, a built-up type bubble dispenser is also provided with in this second housing, this second housing upper is provided with a washing water inlet, this one end, washing water inlet and this first Heisui River outlet, the other end of this washing water inlet is connected with a liquid water distributing slot, this the second housing upper side is provided with a pneumatic outlet, for discharging the crude synthesis gas through overcooling and washing.
Preferably, the top of this first housing is provided with one for receiving the opening of the high-temperature gas treating wash cooling, an airway is provided with at the middle part of this first housing, the entrance of this airway and this gap butt, and be provided with a wash cooling water distribution ring in the position of docking, the below of this first housing is provided with a static broken slag device, the surrounding of this first housing be provided with some for this first enclosure interior water spray to reduce the pressure atomizer of waiting to wash cooling gas temperature, this pressure atomizer comprises a body, this body is provided with the interface be communicated with the water source of wash cooling water, the inducer of an annular is provided with in this body, the front end of the inducer of this annular is provided with a shower nozzle, this shower nozzle points to the outlet of this airway.
Preferably, this built-up type bubble dispenser is horizontally disposed with, the lower end of this built-up type bubble dispenser and the position indentation or grid-like of bubble contact.
Preferably, the diameter of this second housing is D, and the height in this second housing above liquid pool is the value of H, H/D is 0.5 ~ 3.
Preferably, in this gas introduction tube, the flow velocity of gas is 5m/s ~ 30m/s.
Preferably, in this second housing, the void tower flow velocity of gas is 0.1 ~ 5m/s, and the residence time of gas in this second housing is 10 ~ 60s.
Preferably, in this second housing, the void tower flow velocity of gas is 0.1 ~ 2m/s, and the residence time of gas in this second housing is 20 ~ 40s.
Preferably, the bottom of this second housing is provided with one second Heisui River outlet, for discharging Heisui River.
Preferably, the length of this airway is 0.2m ~ 2m, and the flow velocity of the gas in this airway is 2m/s ~ 10m/s; The flow rate of liquid in the exit of this wash cooling water distribution ring is 0.5m/s ~ 5m/s.
Wherein, this first housing is by 11/4Cr-1/2Mo (SA387Gr11Cl2) built-up welding AISI316L (being equivalent to domestic CoCr17Ni13Mo2) or compound 316L, and this washing water distribution rings, airway adopt Incoloy825; Second housing adopts carbon steel (16MnR) compound 316L material, and this built-up type bubble dispenser adopts stainless steel.
The inducer of this annular is provided with some diversion trenchs, described diversion trench all extends from the inner ring of the inducer of this annular to outer ring, described diversion trench is all tangent with this inner ring and form tilt distribution in the same way, this interface is communicated with this shower nozzle by this diversion trench, and wash cooling water is injected in this first housing through this interface, described diversion trench and nozzle rear-spraying.
This pressure atomizer is relative to the distribution in a center of symmetry of the axis of this first housing.
The axis of this pressure atomizer flushes with the outlet of this airway.
The inwall that against this first housing is provided with an overflow water chuck, this overflow water chuck is positioned at the top of this pressure atomizer, this overflow water chuck comprises the water-in and a water outlet that are connected with the water source of wash cooling water, this water-in is positioned at the bottom of this overflow water chuck, and this water outlet is positioned at the top of this overflow water chuck.
The top of this first housing is also provided with one for cleaning the washing unit of the back up pad at the top of this first housing, and this washing unit comprises one and is arranged on cleaning medium entrance on this first housing, and the cleaning medium outlet of some this back up pads of sensing.
This washing unit is an annular spray pipe, and this annular spray pipe is positioned at the top of this overflow water chuck.
The length of this airway is 0.2m ~ 2m, and the flow velocity of the gas in this airway is 2m/s ~ 6m/s; The flow rate of liquid in the exit of this wash cooling water distribution ring is 1.5m/s ~ 3.5m/s.
The below of this static broken slag device is provided with a liquid pool, and this liquid pool comprises one and exports for the deslagging of deslagging.
This wash cooling water distribution ring is the ring-shaped round pipe on the downside of in the of with annular slot, and the inwall of the axis of this ring-shaped round pipe close on this ring-shaped round pipe is also provided with some spray apertures.
The angular range of all medullary rays of described spray apertures and the axis of this airway is 10 ° ~ 80 °.
The angular range of all medullary rays of described spray apertures and the axis of this airway is 20 ° ~ 60 °.
Positive progressive effect of the present invention is: in separate assembling high-temperature gas wash cooling device of the present invention, containing the wash cooling water distribution ring for the formation of vertically moving membrane spray and central jet spray, for the formation of the pressure atomizer of spray impingement and the gas distributor for the formation of even bubbling.By the coupling of described spray flowing, pressure atomization and sparging process, more effectively improve Mass and heat transfer effect, reduce the possibility of the stifled slag of equipment appearance, improve the anti-stifled ability of scrubbing-cooling chamber, strengthen the detersive efficiency of thick synthetic gas, solve because of feed coal ash content is high and under high temperature coal ash viscosity large etc. cause stifled slag problem in airway, the long-term operation of assurance device, extend the work-ing life of vapourizing furnace internals, reduce facility investment, avoid the generation of security incident.
Accompanying drawing explanation
Fig. 1 is the structural representation of the separate assembling high-temperature gas wash cooling device in a preferred embodiment of the present invention.
Fig. 2 is the sectional view of the pressure atomizer in Fig. 1.
Fig. 3 is the side-view of the pressure atomizer in Fig. 1.
Fig. 4 is the vertical view of the annular spray pipe in Fig. 1.
Fig. 5 is the A portion enlarged view in Fig. 4.
Fig. 6 is the structural representation of a kind of bubble dispenser in a preferred embodiment of the present invention.
Fig. 7 is the structural representation of the another kind of bubble dispenser in a preferred embodiment of the present invention.
Description of reference numerals:
The static broken slag device 2 of first housing 1
Pressure atomizer 3 body 31
Inducer 32 diversion trench 321
Shower nozzle 33 airway 4
Overflow water chuck 5 water outlet 501
Water-in 502 wash cooling water distribution ring 6
Annular slot 601 spray apertures 602
Distribution rings import 7 cleaning medium entrance 8
Annular spray pipe 9 cleaning medium outlet 901
Opening 10 pneumatic outlet 11
Baffle 12 liquid pool 13
Washing water export 14 washing water pipelines 15
Gas transport pipeline 16 second housing 17
Washing water inlet 18 water distribution groove 19
Gas-liquid separation space 20 built-up type bubble dispenser 21
Liquid pool 22 gas introduction tube 23
Gas distributor 24 Heisui River outlet 25
Export 26 baffles 27
Embodiment
Mode below by embodiment further illustrates the present invention, but does not therefore limit the present invention among described scope of embodiments.
As shown in Figure 1, high-temperature gas wash cooling device in the present embodiment comprises one first housing 1 and one second housing 17, the top of this first housing 1 is provided with one for receiving the opening 10 waiting to wash cooling gas, an airway extended vertically downward 4 is provided with in this first housing 1, entrance above this airway 4 docks with opening 10, and being provided with a wash cooling water distribution ring 6 in the position of docking, the bottom of this first housing 1 is provided with static broken slag device 2.One pneumatic outlet 11 is also set above the first housing 1, a baffle 12 is also provided with in pneumatic outlet 11 side, thus the gas of pneumatic outlet side leaves the first housing in baffling mode, flowed by this baffling, export the operative liquid water carried secretly in thick synthetic gas because of the change realization of flow passage and being separated of gas phase, reduce the droplet entrainment amount in the thick synthetic gas of outlet.The bottom of this second housing 17 is provided with one for receiving the opening from the first housing 1 comparatively high temps crude synthesis gas out, this opening upwards is connected to a gas introduction tube 23, ingress pipe end has a gas distributor 24, can be taperedly rise gas cap or other form gas distributors, there is the outlet 26 of the gas after an extraction washing side, top of the second housing 17, after gas is entered by this outlet, an operation carries out washing and the purification of the degree of depth, ditto, is also provided with a baffle 27 before outlet 26.Second housing 17 top opposite side has a receiving to draw washing water inlet 18 from the first housing 1, this entrance is connected with a water distribution groove 19, the bottom of the second housing is provided with a Heisui River outlet 25, wash cooling system is left from this outlet in the slag inclusion Heisui River contained from the lime-ash in gas phase, enters the Treatment for Reuse that slag water treatment system carries out water.For there is the phenomenons such as turbulent, bubble coalescence when preventing and reduce gas by being present in the liquid pool 22 in the second housing, be provided with some layers of built-up type bubble dispenser 21, the existence of bubble dispenser simultaneously also stabilizes the flowing of liquid phase main body in bed.
The surrounding of the first housing 1 be provided with some for the first housing 1 internal spray water smoke to reduce the pressure atomizer 3 of waiting to wash cooling gas temperature.Comprise four pressure atomizer 3 in the present embodiment, and the injection direction of all pressure atomizer 3 all points to the axis of this airway 4, and flush with the outlet of airway 4.
Under regard to above-mentioned pressure atomizer and be described further, for convenience of explanation and understand, hereinafter the direction along atomized water spray is decided to be " front end " of pressure atomizer.
As shown in Figures 2 and 3, this pressure atomizer 3 comprises one respectively and is arranged on body 31 on the first housing 1 sidewall, body 31 is provided with the interface be communicated with the water source of wash cooling water, and the inwall of this interface is provided with internal thread so that spin with the pipeline (not shown) at wash cooling water water source.In body 31, be provided with the inducer 32 of an annular, the front end of inducer 32 is provided with a shower nozzle 33, and when setting pressure spraying gun 3, the shower nozzle 33 of pressure atomizer 3 points to the outlet of this airway 4, and flushes with described outlet.
In addition, inducer 32 is provided with some diversion trenchs 321, described diversion trench 321 all extends from the inner ring of this inducer 32 to outer ring, and described diversion trench 321 is all tangent with this inner ring, and this interface is communicated with shower nozzle 33 by this diversion trench 321; Wash cooling water is spurted in this first housing 1 after this interface, described diversion trench 321 and shower nozzle 33.Under High Pressure, by the guiding of tangential diversion trench 321, wash cooling water enters shower nozzle 33 with becoming swirling, and becomes swirling to eject under the effect of inertia.Wash cooling water, after pressure atomizer 3 is atomized, sprays and enters the first housing 1, directly contacts with from the airway 4 thick synthetic gas being still in higher temperatures out, further heat mass transportation process occurs.In addition, the comparatively high temps thick synthetic gas of atomizing droplet to airway 4 exit formed by this pressure atomizer is further cooled and washs.
Again as shown in Figure 1, the wash cooling water distribution ring 6 in the present embodiment has the ring-shaped round pipe of an annular slot 601 for downside, and the first housing 1 is provided with the distribution rings import 7 that several are connected with the water source of wash cooling water.The inwall of axis pointing to this ring-shaped round pipe is also provided with some spray apertures 602.The angular range of the medullary ray of described spray apertures 602 and the axis of this airway 4 can be 10 ° ~ 80 °, can be preferably 20 ° ~ 60 °, in the present embodiment, and the angle angle of selection is 30 °.Wash cooling water sprays from this annular slot 601 and spray apertures 602, form the vertically moving membrane along the flowing of this airway 4 inwall and central jet flowing respectively, spraying cooling is carried out to the periphery of gas column of thick synthetic gas body and center that enter airway 4 simultaneously, gas temperature is made to be able to rapid drawdown, wash cooling water is vaporized generation moisturization effect simultaneously, and what is more important alleviates the thermal load of scrubbing-cooling tube top liquid film.
One is also provided with for the protection of the overflow water chuck 5 of the first housing 1 inwall on the top of the first housing 1 inwall; this overflow water chuck 5 has water-in 502 and a water outlet 501; this water-in 502 is positioned at the bottom of this overflow water chuck, and this water outlet 501 is positioned at the top of this overflow water chuck.
The position had a common boundary at vapourizing furnace and the first housing is provided with a back up pad, and because high-temperature gas has the characteristic upwards flowed, therefore thick synthetic gas can, with this back up pads of contact such as a large amount of dusts, cause back up pad dust stratification serious.Therefore, one is also provided with for cleaning the washing unit of this back up pad on the top of the first housing 1, in the present embodiment, this washing unit is an annular spray pipe 9, this annular spray pipe 9 comprises the cleaning medium entrance 8 be arranged on the first housing 1, and upwards points to the cleaning medium outlet 901 of back up pad.
Again as shown in Figure 1, the position indentation of built-up type bubble dispenser 21 lower end and up bubble contact or grid type in the present embodiment, its array configuration can be changeable, entirety is placed with HORIZONTAL PLAID form, for convenience of maintenance, can also be composite module form, as shown in Figures 6 and 7.
In the present embodiment, the Main Function due to the first housing realizes quenching, and washing mainly completes at the second housing, therefore airway length can be shortened greatly, as long as its high temperature section enthalpy falls in gas phase.By 5 ~ 8m that the length of airway 4 generally adopts from existing full scale plant, be reduced to 0.5 present ~ 2m, in conjunction with the pressure atomization of liquid phase, can ensure greatly reduce slag solidification while slag inclusion synthetic gas obtains quick refrigeration and in airway, occur stifled slag, cause gas bias current, washing water film skewness, the probability of scaling loss thus reduction airway may be heated, reduce the outfit of equipment height of the first housing, and the second housing arranged in the present embodiment, its metal shell can adopt carbon steel (16MnR) compound 316L material, and the whole housing of industrial scrubbing-cooling chamber is all by 11/4Cr-1/2Mo (SA387Gr11Cl2) built-up welding AISI316L (being equivalent to domestic CoCr17Ni13Mo2) or compound 316L, the scrubbing-cooling tube (or claiming downtake) of 5 ~ 8m adopts Incoloy825, and needs in this example to reduce to 0.2 ~ 2m by the airway length of Incoloy825 material.So this split type high-temperature gas wash cooling device, while promoting crude synthesis gas washing, cooling efficiency further, greatly reduces the manufacturing cost of the device of high-temperature wash primary wash and cooling.
In the present embodiment, the internal diameter of the first housing 1 is 3400mm, virtual height 3000mm; Airway 4 internal diameter 1068mm is highly 1000mm.Described wash cooling water distribution ring 6 is 8mm along annular slot 601 width of inwall, and the diameter of spray apertures 602 is 8mm, quantity 100, and outlet average water speed is 1.5m/s ~ 5m/s, preferably 2.4m/s.
The maximum inner diameter of the shower nozzle 33 of pressure atomizer 3 is 20mm, and minimum diameter is 3.8mm.Shower nozzle 33 go out saliva speed for 9.8m/s, four pressure atomizer are with 90 ° of symmetry arrangement, and its axial height exports concordant with airway 4.
Spout hole 901 diameter being positioned at the annular spray pipe 9 below back up pad (not shown) is 5mm, and quantity is 80, and the flow of cleaning medium entrance 8 is 20m
3/ h, the water speed of cleaning medium outlet is 3.5m/s.
The internal diameter of the second housing is 3000mm, virtual height 5000mm; Gas introduction tube internal diameter 464mm.The void tower superficial gas velocity of gas in the second housing is 1.5m/s ~ 5m/s, and the gas speed in ingress pipe is 5-30m/s, preferably 10-20m/s.
To process 1500 tons of Gas Flow bed gasification furnaces day, the thick synthetic gas pressure entering scrubbing-cooling chamber is 6.5MPa, and temperature is 1300 DEG C, and dry gas flow is 115000Nm
3/ h, containing H in dry gas
2about 33%, CO about 49%, CO
2about 16%, also have CH
4, N
2, Ar, H
2s, COS, NH
3, HCl, HCN, HCOOH etc., account for 2%.Be benchmark with dry gas, entering in the thick synthetic gas of the first housing 1 containing the grey quantity of slag is 75g/Nm
3(dry gas), also namely lime-ash is carried in thick synthetic gas with 8.7 tons/hour and enters the first housing 1.
The thick synthetic gas of above-mentioned high temperature enters airway 4 with the speed of 4.4m/s, and the temperature of wash cooling water is 250 DEG C, and the wash cooling discharge adding wash cooling water distribution ring is 310m
3/ h, namely amount of water is 2.2kg water/Nm
3gas, wash cooling water enters wash cooling water distribution ring 6 through wash cooling water pump by four distribution rings imports 7, wash cooling water goes out water ring from annular slot 601 and spray apertures 602 with 2.4m/s speed, vertically moving membrane and central jet is formed at airway 4 inwall, the coal gas in airway 4 is made sharply to lower the temperature, be humidified, after molten state lime-ash entrained in coal gas runs into wash cooling water, quenching solidifies, infiltrates, the lime-ash that part granularity is less is then carried (flying dust) by gas phase, and all the other enter aqueous phase and mix with water.
Its temperature of coal gas about 900 DEG C after spraying cooling and humidification, carry clinker water directly to contact with the droplet ejected from pressure atomizer 3 by the lower end of airway 4 is out rear, realize further cooling and humidification, after so preliminary cooling and washing process, raw gas temperature is about 500 DEG C, leave from the first housing upper and enter the second housing through gas transport pipeline 16, after gas distributor 24 is uniform, gas enters water-bath liquid phase bed with the form of bubbling, with the washing water from the first housing again bubbling contact, ensure that dusty gas is able to washing fully and cooling further, afterwards, after flowing through the gas-liquid separation space 20 of the second housing upper, the built-up type being left this example by outlet 26 washs refrigerating unit.94% now contained in the thick synthetic gas of high temperature lime-ash achieves and being separated of coal gas, and coal gas is substantially by steam-laden, and washing water total evaporation is 162t/h, and the moisture content of coal gas is 1.71kg water vapour/Nm
3dry gas, also namely dry gas and steam rates are 1:1.71.
The small grain size lime-ash of wash cooling water and most of particle diameter >3mm is entering in the space be made up of airway 4 and the first housing 1, the solid phase that particle diameter is greater than the grating space of static broken slag device 2 is blocked, broken, fall into the liquid pool 13 be arranged in below the first housing 1 afterwards, wherein lime-ash sedimentation regularly discharge vapourizing furnace through lock hopper under gravity.The evaporation of part wash cooling water enters gas phase, a part enters lock hopper together with lime-ash, major part washing water are through the washing water outlet 14 of the first lower housing portion, the washing water inlet 18 of the second housing upper is entered by washing water pipeline 15, after water distribution groove 19 distributes, be sprayed in the second housing the liquid pool 22 entering and be present in the second housing, the water after last 92t/h wash cooling gas delivers to downstream slag water treatment system process, with cyclically utilizing and discharge from the second lower housing portion Heisui River outlet 25.
Although the foregoing describe the specific embodiment of the present invention, it will be understood by those of skill in the art that these only illustrate, protection scope of the present invention is defined by the appended claims.Those skilled in the art, under the prerequisite not deviating from principle of the present invention and essence, can make various changes or modifications to these embodiments, but these change and amendment all falls into protection scope of the present invention.
Claims (9)
1. a separate assembling high-temperature gas wash cooling device, it is characterized in that, it comprises one first housing and one second housing, the top of this first housing is provided with a gas purging mouth after washing cooling, the bottom of this first housing is provided with one for discharging the first Heisui River outlet in Heisui River, the bottom of this second housing is provided with one for the gas introduction tube of the gas of receiving this first housing to derive, this gas introduction tube is connected with this discharge outlet, the top of this gas introduction tube is provided with a gas distributor, and this gas distributor is deeply arranged on the liquid pool of this second enclosure interior, a built-up type bubble dispenser is also provided with in this second housing, this second housing upper is provided with a washing water inlet, this one end, washing water inlet and this first Heisui River outlet, the other end of this washing water inlet is connected with a liquid water distributing slot, this the second housing upper side is provided with a pneumatic outlet, for discharging the crude synthesis gas through overcooling and washing, described first housing also comprises a wash cooling water distribution ring and a pressure atomizer.
2. separate assembling high-temperature gas wash cooling device as claimed in claim 1, it is characterized in that, the top of this first housing is provided with one for receiving the opening of the high-temperature gas treating wash cooling, an airway is provided with at the middle part of this first housing, the entrance of this airway and this gap butt, and be provided with this wash cooling water distribution ring in the position of docking, the below of this first housing is provided with a static broken slag device, the surrounding of this first housing be provided with some for this first enclosure interior water spray to reduce this pressure atomizer of waiting to wash cooling gas temperature, this pressure atomizer comprises a body, this body is provided with the interface be communicated with the water source of wash cooling water, the inducer of an annular is provided with in this body, the front end of the inducer of this annular is provided with a shower nozzle, this shower nozzle points to the outlet of this airway.
3. separate assembling high-temperature gas wash cooling device as claimed in claim 1, it is characterized in that, this built-up type bubble dispenser is horizontally disposed with, the lower end of this built-up type bubble dispenser and the position indentation or grid-like of bubble contact.
4. separate assembling high-temperature gas wash cooling device as claimed in claim 1, it is characterized in that, the diameter of this second housing is D, and the height in this second housing above liquid pool is the value of H, H/D is 0.5 ~ 3.
5. separate assembling high-temperature gas wash cooling device as claimed in claim 1, it is characterized in that, in this gas introduction tube, the flow velocity of gas is 5m/s ~ 30m/s.
6. separate assembling high-temperature gas wash cooling device as claimed in claim 1, it is characterized in that, in this second housing, the void tower flow velocity of gas is 0.1 ~ 5m/s, and the residence time of gas in this second housing is 10 ~ 60s.
7. separate assembling high-temperature gas wash cooling device as claimed in claim 1, it is characterized in that, in this second housing, the void tower flow velocity of gas is 0.1 ~ 2m/s, and the residence time of gas in this second housing is 20 ~ 40s.
8. separate assembling high-temperature gas wash cooling device as claimed in claim 1, is characterized in that, the bottom of this second housing is provided with one second Heisui River outlet, for discharging Heisui River.
9. separate assembling high-temperature gas wash cooling device as claimed in claim 2, it is characterized in that, the length of this airway is 0.2m ~ 2m, and the flow velocity of the gas in this airway is 2m/s ~ 10m/s; The flow rate of liquid in the exit of this wash cooling water distribution ring is 0.5m/s ~ 5m/s.
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| CN201310467291.0A CN103484168B (en) | 2013-10-09 | 2013-10-09 | Split combined type high-temperature gas washing cooling device |
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| CN201310467291.0A CN103484168B (en) | 2013-10-09 | 2013-10-09 | Split combined type high-temperature gas washing cooling device |
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| CN103484168B true CN103484168B (en) | 2015-01-07 |
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| US9657242B2 (en) * | 2015-01-05 | 2017-05-23 | General Electric Company | Quench chamber with integrated scrubber system |
| CN108913221B (en) * | 2018-06-27 | 2020-10-09 | 陕西延长石油（集团）有限责任公司 | Oil-containing and dust-containing gas quenching device and method |
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| CN101735857B (en) * | 2008-11-06 | 2013-07-03 | 新疆天业（集团）有限公司 | High-temperature carbon conversion reaction gas quenching device |
| CN102140372B (en) * | 2011-02-23 | 2015-10-21 | 惠生工程（中国）有限公司 | A kind of high-temperature crude synthesis gas chilling device |
| CN203545958U (en) * | 2013-10-09 | 2014-04-16 | 华东理工大学 | Split combination type high-temperature gas washing and cooling device |
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