CN109395508A - A kind of high-temperature gas heat recovery, cleaning dust device and method - Google Patents
A kind of high-temperature gas heat recovery, cleaning dust device and method Download PDFInfo
- Publication number
- CN109395508A CN109395508A CN201811546048.7A CN201811546048A CN109395508A CN 109395508 A CN109395508 A CN 109395508A CN 201811546048 A CN201811546048 A CN 201811546048A CN 109395508 A CN109395508 A CN 109395508A
- Authority
- CN
- China
- Prior art keywords
- water
- gas
- pipeline
- drum
- section
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/06—Spray cleaning
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B33/00—Steam-generation plants, e.g. comprising steam boilers of different types in mutual association
- F22B33/18—Combinations of steam boilers with other apparatus
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Treating Waste Gases (AREA)
Abstract
The present invention provides a kind of high-temperature gas heat recoveries, cleaning dust device and method, gas generator, level-one mixer, gas-liquid separator, secondary mixer and two sections of aeration towers including passing sequentially through gas-guide tube flanged joint, the gas generator includes useless pot section and Quench section, useless pot section tentatively cools down to high-temperature gas, by-product saturated vapor；The Quench section is to carry out cleaning dust and reducing temperature twice to the dusty gas after the cooling of useless pot section.The present invention recycles the part sensible heat of pyroreaction gas, by-product saturated vapor, to improve efficiency of energy utilization using radiation waste pot in the way of water-cooling wall radiation heat transfer；Cooled down step by step dust removal process by level-one mixer, gas-liquid separator, secondary mixer and two sections of aeration towers to high-temperature gas, finally gives off solid content not higher than 5mg/Nm3Gas.
Description
Technical field
The present invention relates to chemical equipment technical field, specifically a kind of high-temperature gas heat recovery, cleaning dust are set
Standby and method.
Background technique
In Chemical Manufacture, high-temperature dusty gas needs to be cooled down before entering subsequent processing, dedusting, recycles the same of heat
When remove most of solid particle and will increase system energy consumption if heat does not recycle approach effectively；And dusty gas
Middle micron and submicron order solid cannot take effective method to realize gas solid separation, reach discharge or using standard, major part
Ultra-fine ash will be brought into rear process by gas, cause catalyst, tower tray, filler blocking etc., influence long-period stable operation, or cause
Environmental pollution.
Existing process or method use merely dry or wet ash disposal or combined type, although most of fine ash is stripped of,
But heat cannot but recycle well, and structure is complicated for existing pot destroying process, operation stability is poor.
Summary of the invention
Present invention aim to address above-mentioned the deficiencies in the prior art, a kind of high-temperature gas heat recovery is provided, washing removes
Dirt device and method.
The technical solution adopted by the present invention to solve the technical problems is:
A kind of high-temperature gas heat recovery, cleaning dust equipment, including gas generator, level-one mixer, gas-liquid separation
Device, secondary mixer and two sections of aeration towers, the gas generator, level-one mixer, gas-liquid separator, secondary mixer and two
Gas-guide tube flanged joint is passed sequentially through between section aeration tower, it is characterised in that:
The gas generator includes conversion zone, useless pot section and Quench section, and the useless pot section is by removing useless pan pipe line and going out
Useless pan pipe line is connect with drum, and boiler water is by going useless pan pipe line to enter useless pot section, and the pot section by-product water vapour that gives up is by going out useless pot
Pipeline enters drum；The Quench section carries out cleaning dust and secondary drop to the high-temperature gas after once cooling down to useless pot section
Temperature, Quench section top are connect with level-one mixer by gas-guide tube, the air guide that the Quench section is connected with level-one mixer
Pipe is equipped with inflator pressure regulating valve；
The level-one mixer and secondary mixer are humidified, increase weight, agglomerating height to be cooled down again to high-temperature gas
Solid particle in wet body；
The gas-liquid separator, to divide the solid particle after drop contained in high-temperature gas and humidification, weight gain, cohesion
From；
Two sections of aeration towers do last dust removal process to high-temperature gas to wash high-temperature gas.
Preferably, the useless pot section includes shell and radiation waste pot, and the radiation waste pot is located in shell, and with shell it
Between be equipped with interlayer；The radiation waste pot includes water-cooling wall, upper cone section water-cooling wall that the water-cooling wall is sequentially communicated from top to down,
Middle part direct tube section water-cooling wall and lower cone section water-cooling wall, under the upper end and lower cone section water-cooling wall of the upper cone section water-cooling wall
End is respectively equipped with upper entrance section and lower part outlet section, is respectively equipped with coil pipe on the outside of the upper entrance section and lower part outlet section
And lower coil pipe；The middle part direct tube section water-cooling wall inner wall is equipped with radiation shield；It is described to go useless pan pipe line including removing water-cooling wall pipeline, going
Radiation shield pipeline removes coil pipe pipeline and removes lower coil pipe pipeline, described to go out to give up pan pipe line including going out water screen tube line, going out radiation shield
Pipeline goes out upper coil pipe pipeline and out lower coil pipe pipeline, the arrival end of the water-cooling wall and radiation shield respectively with the first lower part water supply
Header tank and the connection of the second lower part water supply header tank, the first lower part water supply header tank and the second lower part water supply header tank difference
By removing water-cooling wall pipeline and radiation shield pipeline being gone to connect with drum；The arrival end of the upper coil pipe and lower coil pipe respectively with come from
Boiler water pipe network go coil pipe pipeline with go lower coil pipe pipeline to connect, the outlet end of the water-cooling wall and radiation shield is respectively with
One top return water header tank and the connection of the second top return water header tank, the first top return water header tank and the second top return water
Header tank is respectively by going out water screen tube line and radiation shield pipeline is connect with drum out, the outlet end of the upper coil pipe and lower coil pipe
Respectively by going out upper coil pipe pipeline and lower coil pipe pipeline is connect with drum out；The first top return water header tank and the second top
Return water header tank is located at the upper end of the middle part direct tube section water-cooling wall, the first lower part water supply header tank and the second lower part water supply
Header tank is located at the lower end of the middle part direct tube section water-cooling wall.
Preferably, the drum goes drum pipeline to connect with from boiler water pipe network, described that drum pipeline is gone to be equipped with
Liquid level of steam drum regulating valve and boiler feedwater flow meter, the drum are equipped at least three liquid level of steam drum meter；The drum passes through connection
Pipeline is connected with the drum discharge pipe line and steam pipe line being connected to, and the drum discharge pipe line is equipped with drum discharge pipe line pressure
Regulating valve, the steam pipe line are equipped with steam pipe line pressure-regulating valve and steam-flow meter, the liquid level of steam drum meter, steam stream
Meter, boiler feedwater flow meter are electrically connected with liquid level of steam drum regulating valve respectively, and form control loop, carry out three impulses tune
Section controls liquid level of steam drum and steam production.
Further, the connecting pipeline be equipped with pressure gauge, the pressure gauge respectively with drum discharge pipe line pressure tune
It saves valve and steam pipe line pressure-regulating valve is electrically connected.
Preferably, the gas feed of the gas-liquid separator is located at middle and upper part, and the gas feed is tangential entrance, described
Tedge is equipped with inside gas-liquid separator, the tedge is connected to the gas vent being located among gas-liquid separator top, institute
State the 2/3-1/2 for rising that length of tube is gas-liquid separator height；The gas-liquid separator bottom end is equipped with liquid discharge outlet, the liquid
Body discharge outlet connects processing pipeline containing solid water.
Preferably, two sections of aeration towers are divided into two sections, and centre is separated by partition, and lower section is water storage tank, the storage
Sink, which is equipped with, divides bubbler, and to prevent level fluctuation, the water storage tank top is equipped with riser, and water storage tank bottom end is equipped with to go out containing solid water
Mouthful, it is described containing solid water outlet connection processing pipeline containing solid water；Upper section is tower tray section, is equipped with 4-8 layers of tower tray, distinguishes on every layer of tower tray
Equipped with 2 or 3 road spray structures, the top of the tower tray section connects gas discharge pipe line.
Further, the level-one mixer and secondary mixer are separately connected the first technique water pipeline and the second process water
Flow control valve is respectively equipped on pipeline, the first technique water pipeline and the second technique water pipeline；The top of the tower tray connects
Third technique water pipeline is connect, the lower part of the tower tray connects the 4th technique water pipeline, and the tower tray pars infrasegmentalis passes through reuse water pipe
Line is connect with Quench section, and the reuse water pipeline is equipped with pumping mechanism；The water storage tank connects the 5th technique water pipeline.
A kind of high-temperature gas heat recovery method, including following below scheme:
A, lower than the 120 DEG C boiler waters from boiler water tube net are entered into drum by removing drum pipeline, boiler water is from vapour
Packet stream go out and respectively through past water screen tube line and go radiation shield pipeline enter the first lower part water supply header tank and the second lower part to
Water header tank after boiler water is full of in water-cooling wall and radiation shield, keeps boiler in drum subsequently into water-cooling wall and radiation shield
Water is the liquid level of 30-60%；
B, by lower than the 120 DEG C boiler waters from boiler water tube net by removing upper coil pipe pipeline and lower coil pipe pipeline being gone to distinguish
Into upper coil pipe and lower coil pipe；
C, it removes water-cooling wall pipeline and removes in radiation shield pipeline to be passed through middle pressure steam, heat feed water circuit, water-cooling wall and radiation
The first top return water header tank and the second top return water header tank are respectively enterd after boiler water heating in screen, using water cooling out
Wall pipeline and radiation shield pipeline enters in drum out forms boiler water cycle circuit between drum and water-cooling wall, radiation shield, utilize
Drum discharge pipe line pressure-regulating valve controls drum pressure in 0.3MPa or less；
D, when boiler water temperature rises to 125-135 DEG C in drum, gas generator conversion zone starts to preheat, to conversion zone
Temperature rise to it is consistent with boiler water temperature after, stop input middle pressure steam, using conversion zone preheating quantity to boiler water after of continuing rising
Temperature；Temperature-rise period can slowly promote drum pressure, when pressure rises to 0.5MPa, slowly open drum and remove low pressure steam pipe
Net valve；
E, nitrogen, CO2 or the reaction gas of the interlayer of water-cooling wall and shell input high pressure are as protection gas；Gas generator
Conversion zone feeds intake, and the high-temperature gas that conversion zone generates enters Quench section by radiation waste pot, radiation waste pot by water-cooling wall and
Radiation shield heat exchange, hot-gas temperature reduce, and boiler water is heated after absorbing high-temperature gas heat in radiation waste pot, and temperature is continuous
It increases, the steam water interface that boiler water is formed after being heated is by going out water screen tube line, going out radiation shield pipeline, out upper coil pipe pipeline
Lower coil pipe pipeline enters drum out；
F, pressure in gas generator is adjusted to by operating pressure 1.5-9.0MPa by inflator pressure regulating valve,
Drum pressure is adjusted by drum discharge pipe line pressure-regulating valve simultaneously, the steam that drum generates is through steam pipe line pressure-regulating valve
It send to different brackets steam pipe network.
A kind of high-temperature gas cleaning dust method, including following below scheme:
A, high-temperature gas passes through the dual work of spray washing water and water-bath in Quench section by entering Quench section after useless pot section
With carrying out cleaning dust and reducing temperature twice, the high-temperature gas after cleaning dust and reducing temperature twice to high-temperature gas and pass through gas-guide tube
On inflator pressure regulating valve be sent into level-one mixer；
B, the low temperature process water with the high-temperature gas temperature difference less than 100 DEG C is forced through flow control valve entrance through pump and is embedded in
Water distributor in level-one mixer is in 30-60 ° of angle with gas flow, and water distributor sprays water mist and meets with high-temperature gas, to height
Wet body cools down, and contained solid particle is humidified weight gain in high-temperature gas, passes through containing the high-temperature gas of drop and solid particle
Gas-guide tube enters the gas feed on gas-liquid separator top；
C, the high-temperature gas containing wet weight gain solid particle and drop rotates decline in gas-liquid separator, passes through centrifugal force
It acts on, most of entrained solid particle and drop are thrown toward gas-liquid separator barrel and are adhered on barrel with gas in gas
Backspin flowing enters gas-liquid separator lower part fluid reservoir along wall, and gas is rotated down after flowing certain distance along gas-liquid separator
Interior tedge enters secondary mixer through gas-guide tube to gas vent；
D, in secondary mixer, the low temperature process water with the dusty gas temperature difference less than 80 DEG C is forced through flow through pump
Regulating valve enters the water distributor that is embedded in secondary mixer, is in 30-60 ° of angle with gas flow, water distributor spray water mist with
Dusty gas meets, and is cooled down again to high-temperature gas, what is do not separated in gas-liquid separator contained in high-temperature gas consolidates
The wetted weight gain again of body particle, the high-temperature gas containing solid particle and drop enter the storage of two sections of aeration tower lower sections through gas-guide tube
Sink；
E, high-temperature gas enters the tower tray section of two sections of aeration towers in the water-bath of water storage tank by riser after primary wash,
The washing water and gas phase counter current contacting sprayed by the spray structure on tower tray, traps the solid particle in high-temperature gas, finally
Gas of the solid content within 5mg/Nm3 is discharged by the gas discharge pipe line on two sections of aeration tower tops.
Further, the water intake velocity of the water distributor of the level-one mixer and secondary mixer is all larger than 8m/s, enters
The air velocity of level-one mixer and secondary mixer is all larger than 50m/s.
The present invention recycles the sensible heat of high-temperature gas by radiation waste pot in the way of water-cooling wall radiation heat transfer, byproduct steam,
To improve efficiency of energy utilization；By level-one mixer, gas-liquid separator, secondary mixer and two sections of aeration towers to high-temperature gas
Cooled down dust removal process step by step, finally gives off dust content in 5mg/Nm3Within gas.
Detailed description of the invention
A part of attached drawing of the invention is constituted to be used to provide further understanding of the present invention.In the accompanying drawings:
Fig. 1 is the structural schematic diagram of a kind of high-temperature gas heat recovery of the present invention, cleaning dust equipment.
Fig. 2 is the internal structure enlarged drawing of the useless pot section of the present invention.
In figure: 1, conversion zone；2, useless pot section；201, upper cone section water-cooling wall；202, middle part direct tube section water-cooling wall；203, under
Bore section water-cooling wall in portion；204, radiation shield；205, upper entrance section；206, lower part outlet section；207, upper coil pipe；208, lower coil pipe；
209, the first lower part water supply header tank；210, the second lower part water supply header tank；211, the first top return water header tank；212, second
Top return water header tank；3, Quench section；4, water-cooling wall pipeline is removed；5, radiation shield pipeline is removed；6, coil pipe pipeline is removed；7, lower wall is removed
Pipe pipeline；8, go out water screen tube line；9, go out radiation shield pipeline；10, go out upper coil pipe pipeline；11, go out lower coil pipe pipeline；12, gas
Generator pressure-regulating valve；13, drum；14, drum pipeline is removed；15, boiler feedwater flow meter；16, liquid level of steam drum regulating valve；
17, drum discharge pipe line；18, drum discharge pipe line pressure-regulating valve；19, steam pipe line；20, steam pipe line pressure-regulating valve；
21, liquid level of steam drum meter；22, steam-flow meter；23, level-one mixer；24, gas-liquid separator；25, tedge；26, second level mixes
Device；27, water storage tank；28, riser；29, tower tray section；30, gas discharge pipe line；31, the first technique water pipeline；32, the second work
Skill water pipeline；33, processing pipeline containing solid water；34, third technique water pipeline；35, the 4th technique water pipeline；36, reuse water pipeline；
37, the 5th technique water pipeline.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Meaning high-temperature gas of the invention refers to the reaction gas generated after 1 combustion reaction of gas generator conversion zone.
As illustrated in fig. 1 and 2, a kind of high-temperature gas heat recovery, cleaning dust equipment, including gas generator, level-one are mixed
Clutch 23, gas-liquid separator 24, secondary mixer 26 and two sections of aeration towers, the gas generator, level-one mixer 23, gas-liquid
Gas-guide tube flanged joint is passed sequentially through between separator 24, secondary mixer 26 and two sections of aeration towers,
The gas generator includes conversion zone 1, useless pot section 2 and Quench section 3, and the useless pot section 2 is by removing useless pan pipe line
It is connect with useless pan pipe line is gone out with drum 13, for boiler water by going useless pan pipe line to enter useless pot section 2, the 2 by-product water vapour of pot section that gives up is logical
It crosses out useless pan pipe line and enters drum 13；The Quench section 3 to useless pot section 2 cooling after high-temperature gas carry out cleaning dust and
Cool down again, can cool down 400 DEG C or more, 3 top of Quench section is connect with level-one mixer 23 by gas-guide tube, the Quench section
3 and level-one mixer 23 connect gas-guide tube be equipped with inflator pressure regulating valve 12；
The level-one mixer 23 and secondary mixer 26, to be cooled down to high-temperature gas, be humidified, increased weight, agglomerated
Solid particle in gas；
The gas-liquid separator 24, to the solid particle and drop after humidification weight gain in separating high-temp gas；
Two sections of aeration towers do last dust removal process to high-temperature gas to wash high-temperature gas.
It is described to go useless pan pipe line including removing water-cooling wall pipeline 4, removing radiation shield pipeline 5, remove coil pipe pipeline 6 and remove lower coil pipe
Pipeline 7, the pan pipe line that gives up out include water screen tube line 8, going out radiation shield pipeline 9, out above coil pipe pipeline 10 and out lower coil pipe
Pipeline 11；The useless pot section 2 includes shell and radiation waste pot, and the radiation waste pot is located in shell, and is equipped between shell
Interlayer；The radiation waste pot includes water-cooling wall, upper cone section water-cooling wall 201 that the water-cooling wall is sequentially communicated from top to down, in
Portion's direct tube section water-cooling wall 202 and lower cone section water-cooling wall 203, the upper end of the upper cone section water-cooling wall 201 and lower cone Duan Shui
The lower end of cold wall 203 is respectively equipped with upper entrance section 205 and lower part outlet section 206, the upper entrance section 205 and lower part outlet
206 outside of section is respectively equipped with coil pipe 207 and lower coil pipe 208；202 inner wall of middle part direct tube section water-cooling wall is equipped with radiation shield
204, the arrival end of the water-cooling wall and radiation shield 204 respectively with the first lower part water supply header tank 209 and the second lower part water supplying
Water tank 210 connects, and the first lower part water supply header tank 209 and the second lower part water supply header tank 210 are respectively by removing water-cooling wall
Pipeline 4 and radiation shield pipeline 5 is gone to connect with drum 13；The arrival end of the upper coil pipe 207 and lower coil pipe 208 is respectively and from pot
Furnace water pipe net removes coil pipe pipeline 6 and lower coil pipe pipeline 7 is gone to connect, the outlet end difference of the water-cooling wall and radiation shield 204
It is connect with the first top return water header tank 211 and the second top return water header tank 212, the first top return water header tank 211
With the second top return water header tank 212 respectively by going out water screen tube line 8 and radiation shield pipeline 9 is connect with drum out, it is described on
The outlet end of coil pipe 207 and lower coil pipe 208 is respectively by going out upper coil pipe pipeline 10 and lower coil pipe pipeline 11 is connect with drum 13 out；
The first top return water header tank 211 and the second top return water header tank 212 are located at the middle part direct tube section water-cooling wall 202
Upper end, the first lower part water supply header tank 209 and the second lower part water supply header tank 210 are located at the middle part direct tube section water-cooling wall
202 lower end.
The drum 13 goes drum pipeline 14 to connect with from boiler water pipe network, described that drum pipeline 14 is gone to be equipped with vapour
Packet Liquid level adjusting valve 16 and boiler feedwater flow meter 15, the drum 13 are equipped at least three liquid level of steam drum meter 21；The drum 13
It is connected by connecting pipeline with the drum discharge pipe line 17 and steam pipe line 19 being connected to, the drum discharge pipe line 17 is equipped with vapour
Packet discharge pipe line pressure-regulating valve 18, the steam pipe line 19 are equipped with steam pipe line pressure-regulating valve 20 and steam-flow meter
22, the liquid level of steam drum meter 21, steam-flow meter 22, boiler feedwater flow meter 15 electrically connect with liquid level of steam drum regulating valve 16 respectively
It connects, and forms control loop, carry out three impules regulation, control 13 liquid level of drum and steam production.The connecting pipeline is equipped with
Pressure gauge, the pressure gauge electrically connect with drum discharge pipe line pressure-regulating valve 18 and steam pipe line pressure-regulating valve 20 respectively
It connects.
The gas feed of the gas-liquid separator 24 is located at middle and upper part, the gas feed be it is tangential enter or vertically into
It is changed to tangentially by guiding device afterwards, equipped with tedge 25, the tedge 25 and positioned at gas inside the gas-liquid separator 24
Gas vent connection among 24 top of liquid/gas separator, 25 length of tedge are the 2/3-1/2 of 24 height of gas-liquid separator；
24 bottom end of gas-liquid separator is equipped with liquid discharge outlet, and the liquid discharge outlet connects processing pipeline containing solid water 33.
Two sections of aeration towers are divided into two sections, and centre is separated by partition, and lower section is water storage tank 27, the water storage tank 27
Equipped with bubbler is divided, to prevent level fluctuation, 27 top of water storage tank is equipped with riser 28, and 27 bottom end of water storage tank, which is equipped with, contains solid water
Outlet, it is described containing solid water outlet connection processing pipeline containing solid water 33；Upper section is tower tray section 29, is equipped with 4-8 layers of tower tray, every layer of tower tray
On be respectively equipped with 2 or 3 road spray structures, the top of the tower tray section 29 connects gas discharge pipe line 30.
Processing pipeline containing solid water 33 is by gas-liquid separator 24 and two sections of aeration tower washing process because separating and paved set formation
It is sent into processing section containing solid water containing solid water to be further processed, so that concentration is containing solid water, recycling heat, final to be separated by solid-liquid separation, low temperature
Primary water can be recycled.
The level-one mixer 23 and secondary mixer 26 are separately connected the first technique water pipeline 31 and the second technique water pipe
Line 32 is respectively equipped with flow control valve on the first technique water pipeline 31 and the second technique water pipeline 32；The tower tray it is upper
Portion connects third technique water pipeline 34, and the lower part of the tower tray connects the 4th technique water pipeline 35, and the tower tray pars infrasegmentalis passes through
Reuse water pipeline 36 is connect with Quench section 3, and the reuse water pipeline 36 is equipped with pumping mechanism；The connection of water storage tank 27 the 5th
Technique water pipeline 37.
Interlayer is connected with protection gas between water-cooling wall and shell, and the nitrogen or CO of high pressure are passed through before driving2Or other gases, including
Reaction gas or other non-flammable explosion hazard gases, reaction gas refer to the gas that 1 combustion reaction of gas generator conversion zone generates.Control
Scheme processed is that useless pot section top measure in useless pot section furnace with interlayer pressure difference, and the measurement and protection air pressure force regulating valve are formed and controlled
Circuit processed makes in interlayer pressure is micro- to be always higher than useless pot internal pressure, high-temperature gas is prevented to be leaked into interlayer.
A kind of high-temperature gas heat recovery method, including following below scheme:
A, by lower than the 120 DEG C boiler waters from boiler water tube net by going drum pipeline 14 to enter drum 13, boiler water
From drum 13 flow out and respectively through past water screen tube line 4 and go radiation shield pipeline 5 enter 209 He of the first lower part water supply header tank
Second lower part water supply header tank 210 is filled subsequently into water-cooling wall and radiation shield 204 to boiler water in water-cooling wall and radiation shield 204
Man Hou keeps the liquid level that boiler water is 30-60% in drum 13；
B, 120 DEG C of boiler waters will be lower than by removing upper coil pipe pipeline 6 and lower coil pipe pipeline 7 being gone to divide from boiler water tube net
It Jin Ru not upper coil pipe 207 and lower coil pipe 208；
C, it removes water-cooling wall pipeline 4 and removes in radiation shield pipeline 5 to be passed through middle pressure steam, heat feed water circuit, water-cooling wall and spoke
The first top return water header tank 211 and the second top return water header tank 212 are respectively enterd after the boiler water heating penetrated in screen 204,
Using water screen tube line 8 out and out radiation shield pipeline 9 enter drum 13 in, shape between drum 13 and water-cooling wall, radiation shield 204
At boiler water cycle circuit, drum pressure is controlled in 0.3MPa or less using drum discharge pipe line pressure-regulating valve 18；Go water cooling
Wall pipeline 4 and radiation shield pipeline 5 is gone to be passed through middle pressure steam, is water supply heating hand-held for kinetic energy.
D, when boiler water temperature rises to 125-135 DEG C in drum 13, gas generator conversion zone 1 starts to preheat, to anti-
Answer 1 temperature of section rise to it is consistent with boiler water temperature after, stop input middle pressure steam, using 1 preheating quantity of conversion zone to boiler water
Continue to heat up；Temperature-rise period can slowly promote 13 pressure of drum, when pressure rises to 0.5MPa, slowly open drum 13 and go
Low-pressure steam pipe network valve；
E, nitrogen, the CO of the interlayer of water-cooling wall and shell input high pressure2Or other reaction gas are as protection gas；Gas hair
Raw device conversion zone 1 feeds intake, and the high-temperature gas that conversion zone 1 generates enters Quench section 3 by radiation waste pot, passes through water in radiation waste pot
Cold wall and radiation shield 204 exchange heat, and hot-gas temperature reduces (primary cooling), and boiler water absorbs High Temperature Gas body heat in radiation waste pot
It is heated after amount, temperature constantly increases, and the steam water interface that boiler water is formed after being heated is by going out water screen tube line 8, going out spoke
It penetrates screen pipeline 9, out upper coil pipe pipeline 10 and lower coil pipe pipeline 11 enters drum 13 out；
F, pressure in gas generator is adjusted to by operating pressure 1.5- by inflator pressure regulating valve 12
9.0MPa, while 13 pressure of drum is adjusted by drum discharge pipe line pressure-regulating valve 18, the steam that drum 13 generates is according to need
It to be sent through steam pipe line pressure-regulating valve 20 to different brackets steam pipe network.
A kind of high-temperature gas cleaning dust method, including following below scheme:
A, high-temperature gas passes through pair of spray washing water and water-bath in Quench section 3 by entering Quench section 3 after useless pot section 2
Recast is used, and carries out cleaning dust and reducing temperature twice to high-temperature gas, the high-temperature gas after cleaning dust and reducing temperature twice is by leading
Inflator pressure regulating valve 12 on tracheae is sent into level-one mixer 23；
B, the low temperature process water with the high-temperature gas temperature difference less than 100 DEG C is forced through flow control valve entrance through pump and is embedded in
Water distributor in level-one mixer 23 is in 30-60 ° of angle with gas flow, and water distributor sprays water mist and meets with high-temperature gas, right
High-temperature gas cools down, make part water vapour package ash particle condensation, while be atomized after drop and drop between, drop with
Sharp impacts between the soot particle carried secretly in gas, make soot particle be humidified, and are grown up, and increase and contain with gaseous mass gap, generation
The high-temperature gas of droplets mixing object enters the gas feed on 24 top of gas-liquid separator through gas-guide tube after wet weight gain；On water distributor
It is provided with the aperture of a certain number of 3~6mm diameters, opening direction is opposite with gas feed, with center line at 30 °~60 ° angles,
Conical flow guiding pipe and center sleeve are set in level-one mixer 19, as gas passage.
C, the gas feed of gas-liquid separator 24 is tangentially to enter or be changed to tangentially, make by guiding device vertically into rear
After high-temperature gas enters gas-liquid separator 24, the high-temperature gas containing droplets mixing object after wet weight gain revolves in gas-liquid separator 24
Turn decline, is acted on by centrifugal force, largely carry fine ash drop in gas secretly and be thrown toward 24 barrel of gas-liquid separator and be adhered to
It is flowed on barrel with gas backspin, enters 24 lower part fluid reservoir of gas-liquid separator along wall, gas is rotated down flowing certain distance
The tedge 25 in gas-liquid separator 24 enters secondary mixer 26 through gas-guide tube to gas vent afterwards；
D, identical as 23 structure of level-one mixer in secondary mixer 26, it, will be with dusty gas in secondary mixer 26
Low temperature process water of the temperature difference less than 80 DEG C, which is pumped, is forced through flow control valve into the water distribution being embedded in secondary mixer 26
Device, water velocity optionally can suitably increase, and be in 30-60 ° of angle with gas flow, and water distributor sprays water mist and dusty gas phase
It meets, is cooled down again to high-temperature gas, and generate the high-temperature gas containing droplets mixing object after wet weight gain again, high-temperature gas warp
Gas-guide tube enters the water storage tank 27 of two sections of aeration tower lower sections；
E, high-temperature gas primary wash in the water-bath of water storage tank 27, remainder micron order and part submicron order fine ash
It is removed, the tower tray section 29 of two sections of aeration towers is then entered by riser 28, washed by what the spray structure on tower tray sprayed
Water and gas phase counter current contacting are washed, is further washed, ash disposal, most of submicron-grade superfine ash in gas is removed, it is final logical
Fine ash content is discharged in 5mg/Nm in the gas discharge pipe line 30 for crossing two sections of aeration tower tops3Within gas.
The level-one mixer 23, secondary mixer 26 the water intake velocity of water distributor be all larger than 8m/s, it is mixed into level-one
Clutch 23, the air velocity of secondary mixer 26 are all larger than 50m/s.
Upper layer tower tray shower water is cleaner process water, is entered by third technique water pipeline 34, lower tray spray
Washing water is technique recycle-water, is entered by the 4th technique water pipeline 35；It is from the 5th technique water pipeline that water is used in water storage tank 27
The 37 technique recycle-waters entered.High-temperature gas washs below the water-bath liquid level that gas-guide tube enters lower section aeration tower water storage tank 27,
Enter upper section tower tray section 29 through riser 28 again, the shower water sprayed with the spray structure on tower tray directly contacts, then by tower tray
Section 29 top gas discharge pipes 30 discharge, high-temperature gas has reached recycling heat, dedusting purpose at this time, and fine ash content generally may be used
Control is in 5mg/Nm3Within.Two sections of aeration tower upper sections and lower section are respectively equipped with liquidometer, and to detect liquid level, tower tray section 29 is washed
Wash water relatively clean, can be directly used as system high temperature recycle-water be pumped up mechanism send to gas generator Quench section 3 recycling.
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art,
It is still possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is carried out etc.
With replacement, all within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in this
Within the protection scope of invention.
Claims (10)
1. a kind of high-temperature gas heat recovery, cleaning dust equipment, including gas generator, level-one mixer (23), gas-liquid point
From device (24), secondary mixer (26) and two sections of aeration towers, the gas generator, level-one mixer (23), gas-liquid separator
(24), gas-guide tube flanged joint is passed sequentially through between secondary mixer (26) and two sections of aeration towers, it is characterised in that:
The gas generator includes conversion zone (1), useless pot section (2) and Quench section (3), and the useless pot section (2) is by removing useless pot
Pipeline and the pan pipe line that gives up out are connect with drum (13), and boiler water is by going useless pan pipe line to enter useless pot section (2), useless pot section (2) pair
It produces water vapour and enters drum (13) by going out useless pan pipe line；The Quench section (3) is to the height after useless pot section (2) once cooling
Wet body carries out cleaning dust and reducing temperature twice, Quench section (3) top are connect with level-one mixer (23) by gas-guide tube,
The gas-guide tube of the Quench section (3) and level-one mixer (23) connection is equipped with inflator pressure regulating valve (12)；
The level-one mixer (23) and secondary mixer (26) are humidified, increase weight, coagulate to be cooled down again to high-temperature gas
Solid particle in poly- high-temperature gas；
The gas-liquid separator (24), to divide the solid particle after drop contained in high-temperature gas and humidification, weight gain, cohesion
From；
Two sections of aeration towers do last dust removal process to high-temperature gas to wash high-temperature gas.
2. a kind of high-temperature gas heat recovery according to claim 1, cleaning dust equipment, it is characterised in that: described useless
Pot section (2) includes shell and radiation waste pot, and the radiation waste pot is located in shell, and interlayer is equipped between shell；The spoke
Penetrating useless pot includes water-cooling wall, upper cone section water-cooling wall (201) that the water-cooling wall is sequentially communicated from top to down, middle part direct tube section water
Cold wall (202) and lower cone section water-cooling wall (203), the upper end of the upper cone section water-cooling wall (201) and lower cone section water-cooling wall
(203) lower end is respectively equipped with upper entrance section (205) and lower part outlet section (206), the upper entrance section (205) and lower part
Coil pipe (207) and lower coil pipe (208) are respectively equipped on the outside of outlet section (206)；Middle part direct tube section water-cooling wall (202) inner wall
Equipped with radiation shield (204)；It is described to go useless pan pipe line including removing water-cooling wall pipeline (4), removing radiation shield pipeline (5), remove coil pipe pipe
Line (6) and go lower coil pipe pipeline (7), it is described go out useless pan pipe line include on water screen tube line (8), going out radiation shield pipeline (9), go out
The arrival end of coil pipe pipeline (10) and out lower coil pipe pipeline (11), the water-cooling wall and radiation shield (204) respectively with the first lower part
Water supply header tank (209) and the connection of the second lower part water supply header tank (210), the first lower part water supply header tank (209) and the
Two lower part water supply header tanks (210) are respectively by removing water-cooling wall pipeline (4) and radiation shield pipeline (5) being gone to connect with drum (13)；
The arrival end of the upper coil pipe (207) and lower coil pipe (208) goes upper coil pipe pipeline (6) and goes with from boiler water pipe network respectively
Lower coil pipe pipeline (7) connection, the outlet end of the water-cooling wall and radiation shield (204) respectively with the first top return water header tank
(211) it is connected with the second top return water header tank (212), the first top return water header tank (211) and the second top return water
Header tank (212) is respectively by going out water screen tube line (8) and radiation shield pipeline (9) is connect with drum out, the upper coil pipe (207)
Outlet end with lower coil pipe (208) is respectively by going out upper coil pipe pipeline (10) and out lower coil pipe pipeline (11) and drum (13) even
It connects；The first top return water header tank (211) and the second top return water header tank (212) are located at the middle part direct tube section water cooling
The upper end of wall (202), the first lower part water supply header tank (209) and the second lower part water supply header tank (210) are located in described
The lower end of portion's direct tube section water-cooling wall (202).
3. a kind of high-temperature gas heat recovery according to claim 1, cleaning dust equipment, it is characterised in that: the vapour
It wraps (13) and goes drum pipeline (14) to connect with from boiler water pipe network, it is described that drum pipeline (14) is gone to be equipped with liquid level of steam drum tune
Valve (16) and boiler feedwater flow meter (15) are saved, the drum (13) is equipped at least three liquid level of steam drum meter (21)；The drum
(13) it is connected by connecting pipeline with the drum discharge pipe line (17) and steam pipe line (19) being connected to, the drum discharge pipe line
(17) it is equipped with drum discharge pipe line pressure-regulating valve (18), the steam pipe line (19) is equipped with steam pipe line pressure-regulating valve
(20) distinguish with steam-flow meter (22), the liquid level of steam drum meter (21), steam-flow meter (22), boiler feedwater flow meter (15)
Be electrically connected with liquid level of steam drum regulating valve (16), and form control loop, carry out three impules regulation, control drum (13) liquid level and
Steam production.
4. a kind of high-temperature gas heat recovery according to claim 3, cleaning dust equipment, it is characterised in that: the company
Adapter tube line be equipped with pressure gauge, the pressure gauge respectively with drum discharge pipe line pressure-regulating valve (18) and steam pipe line pressure tune
Valve (20) are saved to be electrically connected.
5. a kind of high-temperature gas heat recovery according to claim 1, cleaning dust equipment, it is characterised in that: the gas
The gas feed of liquid/gas separator (24) is located at middle and upper part, and the gas feed is tangential entrance, and the gas-liquid separator (24) is interior
Portion is equipped with tedge (25), and the tedge (25) is connected to the gas vent being located among gas-liquid separator (24) top, institute
State the 2/3-1/2 that tedge (25) length is gas-liquid separator (24) height；Gas-liquid separator (24) bottom end is equipped with liquid
Discharge outlet, the liquid discharge outlet connect processing pipeline containing solid water (33).
6. a kind of high-temperature gas heat recovery according to claim 1, cleaning dust equipment, it is characterised in that: described two
Section aeration tower is divided into two sections, and centre is separated by partition, and lower section is water storage tank (27), and the water storage tank (27) is equipped with a point bubble
Device, to prevent level fluctuation, water storage tank (27) top is equipped with riser (28), and water storage tank (27) bottom end is equipped with to go out containing solid water
Mouthful, the outlet connection containing solid water processing pipeline containing solid water (33)；Upper section is tower tray section (29), is equipped with 4-8 layers of tower tray, every layer of tower
2 or 3 road spray structures are respectively equipped on disk, the top of the tower tray section (29) connects gas discharge pipe line (30).
7. a kind of high-temperature gas heat recovery according to claim 6, cleaning dust equipment, it is characterised in that: described one
Grade mixer (23) and secondary mixer (26) are separately connected the first technique water pipeline (31) and the second technique water pipeline (32), institute
It states and is respectively equipped with flow control valve on the first technique water pipeline (31) and the second technique water pipeline (32)；The top of the tower tray connects
Third technique water pipeline (34) is connect, the lower part of the tower tray connects the 4th technique water pipeline (35), and the tower tray pars infrasegmentalis passes through
Reuse water pipeline (36) is connect with Quench section (3), and the reuse water pipeline (36) is equipped with pumping mechanism；The water storage tank (27)
Connect the 5th technique water pipeline (37).
8. a kind of high-temperature gas heat recovery method, including following below scheme:
A, by lower than the 120 DEG C boiler waters from boiler water tube net by going to drum pipeline (14) to enter drum (13), boiler water
It is flowed out from drum (13) and through past water screen tube line (4) and radiation shield pipeline (5) is gone to catchment into the first lower part water supply respectively
Case (209) and the second lower part water supply header tank (210), subsequently into water-cooling wall and radiation shield (204), to water-cooling wall and radiation shield
(204) after interior boiler water is full of, keeping drum (13) interior boiler water is the liquid level of 30-60%；
B, by lower than the 120 DEG C boiler waters from boiler water tube net by going upper coil pipe pipeline (6) and going lower coil pipe pipeline (7) point
It Jin Ru not upper coil pipe (207) and lower coil pipe (208)；
C, it removes water-cooling wall pipeline (4) and goes in radiation shield pipeline (5) to be passed through middle pressure steam, heat feed water circuit, water-cooling wall and spoke
The first top return water header tank (211) and the second top return water header tank are respectively enterd after the boiler water heating penetrated in screen (204)
(212), using water screen tube line (8) out and out, radiation shield pipeline (9) enters in drum (13), drum (13) and water-cooling wall,
Boiler water cycle circuit is formed between radiation shield (204), controls drum pressure using drum discharge pipe line pressure-regulating valve (18)
In 0.3MPa or less；
D, when drum (13) interior boiler water temperature rises to 125-135 DEG C, gas generator conversion zone (1) starts to preheat, to anti-
Answer section (1) temperature rise to it is consistent with boiler water temperature after, stop input middle pressure steam, using conversion zone (1) preheating quantity to pot
Furnace water continues to heat up；Temperature-rise period can slowly promote drum (13) pressure, when pressure rises to 0.5MPa, slowly open vapour
Packet (13) removes low-pressure steam pipe network valve；
E, nitrogen, the CO of the interlayer of water-cooling wall and shell input high pressure2Or reaction gas is as protection gas；Gas generator reaction
Section (1) feeds intake, and the high-temperature gas that conversion zone (1) generates enters Quench section (3) by radiation waste pot, passes through water cooling in radiation waste pot
Wall and radiation shield (204) heat exchange, hot-gas temperature reduce, and boiler water is added after absorbing high-temperature gas heat in radiation waste pot
Heat, temperature constantly increase, and the steam water interface that boiler water is formed after being heated is by going out water screen tube line (8), going out radiation shield pipe
Line (9), go out upper coil pipe pipeline (10) and out lower coil pipe pipeline (11) into drum (13)；
F, pressure in gas generator is adjusted to by operating pressure 1.5-9.0MPa by inflator pressure regulating valve (12),
Drum (13) pressure is adjusted by drum discharge pipe line pressure-regulating valve (18) simultaneously, the steam that drum (13) generates is through steam pipe
Line pressure regulator valve (20) is sent to different brackets steam pipe network.
9. a kind of high-temperature gas cleaning dust method, including following below scheme:
A, high-temperature gas enters Quench section (3) afterwards by useless pot section (2), passes through spray washing water and water-bath in Quench section (3)
Double action carries out cleaning dust to high-temperature gas and reducing temperature twice, the high-temperature gas after cleaning dust and reducing temperature twice passes through
Inflator pressure regulating valve (12) on gas-guide tube is sent into level-one mixer (23)；
B, flow control valve entrance is forced through through pump with low temperature process water of the high-temperature gas temperature difference less than 100 DEG C be embedded in level-one
Water distributor in mixer (23) is in 30-60 ° of angle with gas flow, and water distributor sprays water mist and meets with high-temperature gas, to height
Wet body cools down, and contained solid particle is humidified weight gain in high-temperature gas, passes through containing the high-temperature gas of drop and solid particle
Gas-guide tube enters the gas feed on gas-liquid separator (24) top；
C, high-temperature gas rotation decline in gas-liquid separator (24) containing wet weight gain solid particle and drop, passes through centrifugal force
Effect, in gas most of entrained solid particle and drop be thrown toward gas-liquid separator (24) barrel and be adhered on barrel with
The flowing of gas backspin enters gas-liquid separator (24) lower part fluid reservoir along wall, and gas is rotated down after flowing certain distance along gas
Tedge (25) in liquid/gas separator (24) enters secondary mixer (26) through gas-guide tube to gas vent；
D, in secondary mixer (26), the low temperature process water with the dusty gas temperature difference less than 80 DEG C is forced through flow through pump
Regulating valve enters the water distributor being embedded in secondary mixer (26), is in 30-60 ° of angle with gas flow, and water distributor sprays water
Mist meets with dusty gas, is cooled down again to high-temperature gas, is not separated in gas-liquid separator contained in high-temperature gas
Solid particle wetted weight gain again, the high-temperature gas containing solid particle and drop through gas-guide tube enter two sections of aeration tower lower sections
Water storage tank (27)；
E, high-temperature gas enters the tower of two sections of aeration towers in the water-bath of water storage tank (27) by riser (28) after primary wash
Disk section (29), the washing water sprayed by the spray structure on tower tray and gas phase counter current contacting, trap the solid in high-temperature gas
Particle, eventually by gas discharge pipe line (30) the discharge solid content on two sections of aeration tower tops in 5mg/Nm3Within
Gas.
10. a kind of high-temperature gas cleaning dust method according to claim 9, it is characterised in that: the level-one mixer
(23) and the water intake velocity of the water distributor of secondary mixer (26) is all larger than 8m/s, mixes into level-one mixer (23) and second level
The air velocity of device (26) is all larger than 50m/s.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811546048.7A CN109395508A (en) | 2018-12-18 | 2018-12-18 | A kind of high-temperature gas heat recovery, cleaning dust device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811546048.7A CN109395508A (en) | 2018-12-18 | 2018-12-18 | A kind of high-temperature gas heat recovery, cleaning dust device and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109395508A true CN109395508A (en) | 2019-03-01 |
Family
ID=65459521
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811546048.7A Withdrawn CN109395508A (en) | 2018-12-18 | 2018-12-18 | A kind of high-temperature gas heat recovery, cleaning dust device and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109395508A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112933830A (en) * | 2021-01-30 | 2021-06-11 | 成都易态科技有限公司 | Heat exchange dust removal structure, heat exchange dust removal device and high-temperature dust-containing gas treatment method |
| CN113375133A (en) * | 2021-06-23 | 2021-09-10 | 四川金象赛瑞化工股份有限公司 | High-grade steam production device utilizing melamine production system and method for producing high-grade steam by utilizing high-grade steam production device |
-
2018
- 2018-12-18 CN CN201811546048.7A patent/CN109395508A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112933830A (en) * | 2021-01-30 | 2021-06-11 | 成都易态科技有限公司 | Heat exchange dust removal structure, heat exchange dust removal device and high-temperature dust-containing gas treatment method |
| CN113375133A (en) * | 2021-06-23 | 2021-09-10 | 四川金象赛瑞化工股份有限公司 | High-grade steam production device utilizing melamine production system and method for producing high-grade steam by utilizing high-grade steam production device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105854486B (en) | A kind of afterheat recovery type sizing machine waste gas processing unit | |
| AU670138B2 (en) | Process for cooling and cleaning gas, particularly blast furnace or producer gas, containing ultrafine particles, and apparatus for performing the same | |
| CN104826472B (en) | Smoke carbon dioxide capture recovery system | |
| CN108722124B (en) | Integrated system and method for multi-stage de-whitening purification and waste heat recovery of flue gas | |
| CN108795500A (en) | A kind of gasification system and technique of high efficient heat recovery | |
| CN103436298B (en) | Swirl injection type coal water slurry gasification device | |
| CN108913208A (en) | A kind of cold grey formula high efficient heat recovery gasification system of wet process and technique | |
| CN205948388U (en) | Flash distillation of tower tray formula heat transfer integration equipment | |
| CN102287841B (en) | Method for smoke discharge, condensation and dust removal of supercharged oxygen-enriched coal-fired boiler | |
| CN106621415B (en) | Tower disc type flash distillation-heat-exchange integrated equipment | |
| CN109395508A (en) | A kind of high-temperature gas heat recovery, cleaning dust device and method | |
| CN102580437A (en) | Converter primary flue gas dual-tower purification method and converter primary flue gas purification tower | |
| CN102212627B (en) | Device for crushing steel slag and recovering heat | |
| CN106753569A (en) | Low pressure dry powder coal gasifying process | |
| CN105865223A (en) | Direct contact type flue gas waste heat recovery device | |
| CN108786398A (en) | Flue gas desulfurization regenerates integrated tower and Regeneratable wet fuel gas desulfurizing method | |
| CN208667612U (en) | A kind of gasification system of high efficient heat recovery | |
| CN106244189A (en) | Containing ash high-temperature oil gas washing separation device and washing separating method | |
| CN104925821A (en) | Production system for producing fumed silica by utilizing silicon tetrachloride | |
| CN209362102U (en) | A kind of high-temperature gas heat recovery, cleaning dust equipment | |
| CN103527162B (en) | Steam generator for heavy crude petroleum exploitation | |
| CN103866067A (en) | Blast furnace coal gas gravitational dust collector with cooling effect | |
| CN105062574A (en) | Efficient combined dusty syngas washing dust removal device and method thereof | |
| CN204079875U (en) | A kind of new Type Coke Oven raw gas waste-heat recovery device | |
| CN110384981A (en) | A kind of moisture trap of enhancing water recycling |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190301 |
|
| WW01 | Invention patent application withdrawn after publication |