CN106731399A - A kind of multistage combined high efficient heat exchanging dust arrester and its application method - Google Patents
A kind of multistage combined high efficient heat exchanging dust arrester and its application method Download PDFInfo
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- CN106731399A CN106731399A CN201611263495.2A CN201611263495A CN106731399A CN 106731399 A CN106731399 A CN 106731399A CN 201611263495 A CN201611263495 A CN 201611263495A CN 106731399 A CN106731399 A CN 106731399A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/40—Combinations of devices covered by groups B01D45/00 and B01D47/00
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F25/00—Component parts of trickle coolers
- F28F25/02—Component parts of trickle coolers for distributing, circulating, and accumulating liquid
- F28F25/08—Splashing boards or grids, e.g. for converting liquid sprays into liquid films; Elements or beds for increasing the area of the contact surface
- F28F25/087—Vertical or inclined sheets; Supports or spacers
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
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- General Engineering & Computer Science (AREA)
- Separation Of Particles Using Liquids (AREA)
Abstract
The present invention relates to a kind of multistage combined high efficient heat exchanging dust arrester, include successively from down to up in gas wash tower：The gas distributor of tower bottom, initial wash section tower tray, previous cleaning section cleaning solution distributor pipe, secondary purge zone grid packing, secondary purge zone anti-clogging liquid distribution trough, secondary flushing section feeding distributor pipe, fresh wash liquid charging distributor pipe and spiral board demister.Gas wash tower circulation fluid point two parts enter tower, and a part squeezes into herringbone baffle plate top by pump, and another part squeezes into grid packing top by pump.Dusty gas is processed by this multistage combined high efficient heat exchanging dust arrester, the consumption of fresh wash liquid can be effectively reduced, energy consumption and material consumption is saved；Dusty gas is processed by this multistage combined high efficient heat exchanging dust arrester, cleaning solution is recycled for tower reactor liquid phase, and the basic sealing and circulating of liquid can effectively improve washing heat transfer effect.This multistage combined high efficient heat exchanging dust arrester pressure drop is very low, and full tower pressure drop is less than 3kPa, and anti-clogging is strong.
Description
Technical field
The present invention relates to a kind of cleaning dust tower, more particularly, to one kind for fields such as petrochemical industry, Coal Chemical Industry, steels
For washing, dedusting, heat exchange device.
Background technology
In the fields such as petrochemical industry, Coal Chemical Industry, steel, in gas purification process, to washing, dedusting, the requirement for cooling down
Very high, such as desulfurizing tower, flue gas washing tower, chilling tower, the thing system for the treatment of are generally messy, containing substantial amounts of dust or tar,
It is required that the tower internals of tower has stronger anti-clogging.In Coal Chemical Industry, coal gas cooling and dedusting uses hollow-spraying-tower, cooling effect
It is poor, postorder purification work is increased difficulty.
Undesirable it is an object of the invention to solve dedusting in existing gas cleaning plant, washing, cooling effect, solvent disappears
Consumption is big, the problems such as easily block, propose a kind of multistage combined high efficient heat exchanging dust arrester.
The content of the invention
The present invention proposes a kind of device for cleaning dust heat exchange, is a set of multistage combined high efficient heat exchanging dedusting dress
Put, the device can effectively reduce the entrainment of dust in gas phase, one is to save circulation dosage of scour, two be pressure drop it is low, while
Solve the problems, such as that tower internals is easily stifled, three is to reach good dust-collecting and heat exchanging effect.
Technical scheme is as follows：
Include successively from down to up in a kind of multistage combined high efficient heat exchanging dust arrester, gas wash tower：The gas of tower bottom
Distributor, initial wash section tower tray, previous cleaning section cleaning solution distributor pipe, secondary purge zone grid packing, secondary purge zone anti-clogging
Liquid distribution trough, secondary flushing section feeding distributor pipe, fresh wash liquid charging distributor pipe and spiral board demister.
Above-mentioned gas distributor is tangential circulation feed distributor, blade of louver window formula gas distributor or common gas
Distributor pipe.
Above-mentioned gas distributor center line is gas feed mouthful diameter with the herringbone baffle plate distance from top of the bottom on top
1.4~2 times.
Above-mentioned initial wash section tower tray is the herringbone baffle pan with perforate, and herringbone baffle plate deflection plate width is the 1/ of tower diameter
8~1/15；Every layer of spacing of herringbone tower tray is 600-900mm；The number of plies of herringbone baffle plate is 6~10 layers.
Herringbone baffle plate top at the top of above-mentioned initial wash section feeding distributor pipe distance between center line is charging distributor pipe caliber
1.2-2 times, charging distributor pipe for supervisor on branch pipe is set, branch bottom of the tube opens the form of distribution hole, each branch pipe lower section it is right
Answer a folded liquid plate for herringbone baffle plate, length direction of the branch pipe length direction parallel to folded liquid plate.
Above-mentioned grid packing is mass transfer heat exchange grid packing, and grid packing is using filler pressing and supports spacing into every trade,
Top herringbone baffle plate top is away from grid packing bottom spacing in 1m~2m.
Above-mentioned anti-clogging liquid distribution trough distance from bottom filler upper surface 100mm~200mm；Distributor side wall opens taper point
Cloth hole, sets the spout hole of inverted triangle between conical distribution hole.
Above-mentioned anti-clogging liquid distribution trough top sets secondary flushing section feeding distributor pipe, and the distributor pipe bottom opening is right
The major trough of liquid distribution trough is answered, distributor pipe is 200-400mm apart from the upper surface of liquid distribution trough.
Gas wash tower circulation fluid point two parts enter tower, and a part squeezes into herringbone baffle plate top by pump, and another part passes through pump
Grid packing top is squeezed into, herringbone baffle plate top cleaning solution accounts for the 2/3-4/5 of global cycle amount, and grid packing top cleaning solution is accounted for always
The 1/3-1/5 of internal circulating load.
Integrated artistic process description is as follows：
Gas feed distribution first：Tower reactor gas-phase feed S1 is carried out using venetian blind type gas distributor to entering tower gas
Even distribution, the gas distributor not only acts as the effect that initial distribution is carried out to gas, and by fraction solids particle or powder
Dirt is effectively removed；Initial wash section：Gas rises by continuing after initial distribution, comes initial wash section, and this section is set
6-10 layers is sent into herringbone baffle plate with the herringbone baffle plate for being oriented to tongue apertures, a part of initial wash oil or washings S8 by pump P1
Top, the effective collision between gas phase and baffle plate can be fully ensured that using herringbone baffle plate, so as to the particle for being conducive to being carried secretly in gas phase
Thing aggregation sedimentation.Simultaneously by between herringbone baffle plate door curtain made of cloth area and window region liquid spray and wash, most dust or
Particle is washed to be washed away；Secondary purge zone：By after initial wash section, coming secondary washing section, this section sets lattice to gas
Grid filler and anti-clogging liquid distribution trough, another part secondary washing oil or washings S9 send into anti-clogging liquid by pump P2
Distributor top, washes away by the gas after initial wash by the collision of this section of grid packing and the washing of upper liquid,
Remaining a small amount of dust or solid particle are washed down.Fresh liquid washing section：By grid packing secondary washing and
After heat exchange, gas phase continues to rise, and by fresh liquid S10 spray washings, sets nozzle to liquid phase atomization using shower herein, it is ensured that
Being fully contacted for gas-liquid two-phase, a small amount of dust of the urgency that may be carried secretly in gas phase is washed down；Whirlwind catches liquid segregation section：By
Gas phase after fresh liquid washing can carry a small amount of drop secretly, and tiny dust may be wrapped in drop, by the top of tower
Portion's setting is got off with the liquid droplet capture that the spiral-flow plate-type demister that whirlwind catches liquid effect will be carried secretly in gas phase, it is ensured that exhaust gas body
S2 meets technological requirement.
Tower bottoms S3 is substantial amounts of washing oil or washings, and a small amount of washing oil or washing is only discharged through current divider SP1
Water S4, containing a large amount of dust or solid particle for washing in the liquid phase S4 of discharge, remaining most tower reactor washing oil
Or washings S5 is recycled.
Tower reactor recycle oil or recirculated water are divided into two gangs of S6, S7 through current divider SP2, enter tower through pump P1, P2 supercharging respectively
It is interior respectively as initial wash oil or washings S8 and secondary washing oil or washings S9, washing heat exchange, bottom are carried out to gas phase
Recycle stream stock S8 enters tower, upper-circulation flow above the herringbone baffle pan group with perforate by previous cleaning section cleaning solution distributor pipe
Stock S9 enters tower above grid packing by secondary flushing section feeding distributor pipe.So as to realize the circulation of washing oil or washings
Utilize.
Tower top requires supplementation with one fresh washing oil or washings S10, feeds distributor pipe by fresh wash liquid and enters
In tower, for cleaning the very small amount dust that may be carried secretly in gas phase to purify tower gas S2.
Top of tower sets spiral board demister, and the liquid droplet capture that will be carried secretly in ascending vapor gets off, and prevents from being wrapped up in drop
Dust or solid particle take out of.
The gas distributor for being arranged on tower bottom can feed and be distributed according to tower diameter and the tolerance size tangential circulation of selection
Device, venetian blind type gas distributor, common gas distribution tube.
Gas distributor center line is the 1.4 of gas feed mouthful diameter with the herringbone baffle plate distance from top of the bottom on top
~2 times, it is ensured that gas is uniformly distributed.
The herringbone baffle pan with perforate that initial wash section tower tray is used, can be adopted as the patent band of this seminar
The herringbone baffle plate and in-tower arranging mode ZL200910068619.5 of perforate.The present invention makes certain improvements to herringbone baffle plate,
Deflection plate width is the 1/8~1/15 of tower diameter, the collision opportunity of liquid barrier and uprising gas is not only increased, while also making the door curtain made of cloth
Area increases, and which increases vapour-liquid contact area, gas phase is more fully washed.It is baffle plate with the connected mode of tower wall
Two bearings and tower wall at two ends support that lap welding is connected on inner wall of tower.Convince by patient analysis to ligulate hole to improve gas-liquid on folded liquid plate simultaneously
Contact area, accelerating liquid flowing, reduces the residence time, and slagging prevention is blocked, and reduces air resistance drop.Every layer of herringbone tower tray
Spacing be 600-900mm.The number of plies of herringbone baffle plate is 6~10 layers.
Herringbone baffle plate top at the top of initial wash section feeding distributor pipe distance between center line above herringbone tower tray is charging
1.2-2 times of distributor pipe caliber, it is easy to which liquid is uniformly distributed, charging distributor pipe to set branch pipe on supervisor, open point by branch bottom of the tube
The form of cloth hole, each branch pipe lower section one folded liquid plate of herringbone baffle plate of correspondence, branch pipe length direction is parallel to folded liquid plate
Length direction, it is ensured that liquid is evenly distributed on herringbone baffle plate.
The top of initial wash section feeding distributor pipe sets grid packing, and grid packing is carried out using filler pressing and support
Row is spacing,
Away from grid packing bottom spacing in 1m~2m, there is manhole centre, is easily installed and overhauls at top herringbone baffle plate top.
Grid packing is the mass transfer heat exchange grid packing dedicated for cleaning dust device, and its pressure drop is low, and flux is big, resists
Stifled, dedusting, washing, heat transfer effect are good.The filler is corrugated sheet each folding using metal corrugated plate piece as main mass transfer elements
Side is at an angle with tower section, overall tower interior air-flow and liquid stream reverse flow, as shown in figure 5, the grid packing include it is many
The individual corrugated sheet be arrangeding in parallel, each folding peak of corrugated sheet is provided with that multiple sizes are consistent, the perforation of direction identical, on corrugated sheet
Perforation on each folding peak by connecting plate through after perforating, some corrugated sheets is connected and is fixed in same level
Constitute a waveform filling block.
Grid packing top setting anti-clogging liquid distribution trough, liquid distribution trough distance from bottom filler upper surface 100mm~
200mm, it is to avoid dust and solid particle are deposited between liquid distribution trough and filler, this is different from conventional distributor, to carry
The anti-clogging of distributor high, distributor side wall opens conical distribution hole, and the spout hole of inverted triangle is set between conical distribution hole, prevents
Only distributor is blocked by solid particle and influences distributed effect.
Anti-clogging liquid distribution trough top sets secondary flushing section feeding distributor pipe, the distributor pipe bottom opening, correspondence liquid
The major trough of body distributor, distributor pipe is 200-400mm apart from the upper surface of liquid distribution trough, can slow down liquid distribution trough liquid level
Fluctuation.
Secondary flushing section feeding distributor pipe top sets fresh liquid charging distributor pipe, and the distributor pipe sets shower nozzle and liquid is entered
Row is uniformly distributed.
The top of tower sets spiral board demister and the drop carried secretly in ascending vapor is trapped.
The multistage combined high efficient heat exchanging dust arrester, can effectively reduce the dust and solid particle in gas phase, and
And gaseous phase outlet temperature can be reduced.
Relative to traditional cleaning dust device, this method has the advantage that：
1) dusty gas is processed by this multistage combined high efficient heat exchanging dust arrester, can effectively reduces fresh wash liquid
Consumption, save energy consumption and material consumption；
2) dusty gas is processed by this multistage combined high efficient heat exchanging dust arrester, cleaning solution is tower reactor liquid phase circulation profit
With the basic sealing and circulating of liquid is environment-friendly.
3) dusty gas is processed by this multistage combined high efficient heat exchanging dust arrester, tower reactor circulation fluid point two parts enter
Tower, can effectively improve washing heat transfer effect.
4) this multistage combined high efficient heat exchanging dust arrester pressure drop is very low, and less than 3kPa, anti-clogging is strong, changes for full tower pressure drop
Hot cleaning dust effect is good.
Brief description of the drawings
Fig. 1：Structural representation of the invention；
Fig. 2-a：Gas distributor structural representation-front view；
Fig. 2-b：Gas distributor structural representation-top view；
Fig. 3-a：Herringbone baffle arrangement schematic diagram-front view with perforate；
Fig. 3-b：Herringbone baffle arrangement schematic diagram-top view with perforate；
Fig. 4：Previous cleaning section cleaning solution distributor pipe structural representation；
Fig. 5：Grid packing structural representation；
Fig. 6-a：Anti-clogging liquid distribution trough structural representation；
Fig. 6-b：Anti-clogging liquid distribution trough side-wall hole structural representation-front view；
Fig. 7-a：Secondary flushing section feeding distributor pipe structural representation-front view；
Fig. 7-b：Secondary flushing section feeding distributor pipe structural representation-top view；
Fig. 8-a：Fresh wash liquid charging distributor pipe structural representation-front view；
Fig. 8-b：Fresh wash liquid charging distributor pipe structural representation-top view；
Fig. 9-a：Spiral board demister structural representation-front view.
Fig. 9-b：Spiral board demister structural representation-top view.
Specific embodiment
The present invention is described in further details with reference to the accompanying drawings and detailed description：
Embodiment：See accompanying drawing 1, the present invention is a kind of multistage combined high efficient heat exchanging dust arrester.
The multistage combined high efficient heat exchanging dust arrester of the present invention, the tower internals for setting from down to up includes successively：(1) set
In the shutter gas distributor 1 (such as Fig. 2-a, 2-b) of tower bottom, the herringbone of the bottom on gas distributor center line and top
Baffle plate distance from top is 1.4~2 times of gas feed mouthful diameter；(2) initial wash section sets 6~10 layers of herringbone gear with perforate
Plate 2 (such as Fig. 3-a, 3-b), the deflection plate width of herringbone baffle plate is the 1/8~1/15 of tower diameter, and the spacing of every layer of herringbone tower tray is
600-900mm；(3) herringbone baffle plate top sets previous cleaning section cleaning solution distributor pipe 3 (such as Fig. 4), initial wash section feeding distributor pipe
Herringbone baffle plate top at the top of distance between center line is 1.2-2 times of charging distributor pipe caliber, feeds and set on the supervisor of distributor pipe
Branch pipe, branch bottom of the tube opens the form of distribution hole, each branch pipe lower section one folded liquid plate of herringbone baffle plate of correspondence；(4) secondary punching
Wash section and grid packing 4 (such as Fig. 5) is set, grid packing is the mass transfer heat exchange grid packing dedicated for cleaning dust device, should
Filler is the features such as specific surface area is big, collision frequency is more using metal corrugated plate piece as main mass transfer elements, improves gas and removes
Dirt, the effect of washing；(5) secondary purge zone grid packing top sets anti-clogging liquid distribution trough 5 (such as Fig. 6-a), to improve
The anti-clogging of distributor, distributor side wall opens conical distribution hole k1 (such as Fig. 6-b), and inverted triangle is set between conical distribution hole
Spout hole k2 (such as Fig. 6-b), prevents distributor from being blocked by solid particle and influenceing distributed effect；(6) top of liquid distribution trough 5
Secondary flushing section feeding distributor pipe 6 (such as Fig. 7-a, 7-b) and fresh wash liquid charging distributor pipe 7 are set gradually from bottom to up (such as
Fig. 8-a, 8-b), the bottom opening of distributor pipe 6, the major trough of correspondence liquid distribution trough, distributor pipe is apart from the upper surface of liquid distribution trough
It is 200-400mm, and distributor pipe 7 sets shower nozzle and liquid is uniformly distributed；(7) tower top sets spiral board demister 8 (as schemed
9-a, 9-b), there is spiral-flow plate-type demister whirlwind to catch liquid effect, and the liquid droplet capture that will be carried secretly in gas phase gets off, it is ensured that exhaust gas
Body meets technological requirement.Tower body inwall is welded with the support member of corresponding tower internals, and each tower internals is adopted with the fixed form of support member
With welding or bolt connection.
Dusty gas S1 enters tower from biserial leaf gas distributor 1, obtains uniform in tower section product quickly, big of part
After grain dust collides blade, tower reactor is thrown to, while gas phase is evenly distributed, it is that follow-up dedusting is ready.Uniform point
The dusty gas of cloth continues to ascend at initial wash herringbone baffle plate 2 of the section with perforate, and initial wash oil S8 is sent by pump P1
Enter the top of herringbone baffle plate 2, effective collision occurs between gas and herringbone baffle plate 2, and by the distribution of previous cleaning section cleaning solution distributor pipe 3
The spray washing of cleaning solution, makes the dust in gas during contacting and colliding with cleaning solution, is effectively settled and caught
Collection.Continue to rise after the dirt of larger particles is effectively settled and trapped in gas, enter into secondary purge zone grid packing 4
Place, the grid packing structure type is optimized, it is ensured that between gas and grid packing while effective collision, pressure drop is small, and
The efficiency of dust collection of this grid packing is higher, can remove the smaller dust of particle diameter.Grid packing 4 is that gas-liquid two-phase effectively contact is carried
For place, being fully contacted for gas-liquid is most important to dust removing effects, and in secondary purge zone, the less dirt of particle is obtained in gas
Further sedimentation and trapping.Secondary purge zone anti-clogging liquid distribution trough 5 is optimized in structure, and anti-clogging is more
Good, distribution dot density is bigger, and being uniformly distributed for cleaning solution has been effectively ensured, and its quality for setting will directly influence dedusting effect
Really.Secondary washing oil S9 sends into anti-clogging liquid distribution trough top by pump P2.Tower top requires supplementation with one fresh washing oil
Or washings S10, distributor pipe is fed by fresh wash liquid and is entered in tower, for cleaning the very small amount powder that may be carried secretly in gas phase
Dirt is purifying tower gas S2.Gas continues to rise by secondary washing and after rinsing, with the fresh wash liquid S10 chargings of supplement
The fresh wash liquid of the spray of distributor pipe 7 is further contacted, fresh wash liquid S10 not dust-ladens at this, in can effectively reducing gas
Dustiness, with the further effective removing of solid particle for ensureing not removed completely in previous cleaning section and secondary purge zone.This is new
Being uniformly distributed for fresh cleaning solution S10 is most important, and the nozzle set on fresh wash liquid S10 charging distributor pipes 7 is by fresh wash
Liquid S10 is separated into droplet, and fresh wash liquid S10 is effectively uniformly distributed, it is ensured that ascending vapor fully connects with spray liquid phase
Touch, be washed thoroughly.Gas phase is by after previous cleaning section, secondary purge zone, fresh liquid washing section dedusting, dustiness reaches design will
Ask, in order to avoid entrained drip before tower is gone out, in tower top there is provided spiral board demister 8, the spiral board is removed the gas phase of the purification
Foam device gets rid of de- as gas-liquid separation equipment, the droplet that will effectively can be carried secretly in gas phase, and then to prevent the powder of parcel in drop
Dirt or solid particle are taken out of from tower top purification gas S2 outlets 9.
Tower bottoms S3 is substantial amounts of washing oil, a small amount of washing oil S4 is only discharged through current divider SP1, in the liquid phase S4 of discharge
Containing a large amount of dust or solid particle for washing, remaining most tower reactor washing oil S5 is recycled.Tower reactor is followed
Ring oil is divided into two gangs of S6, S7 through current divider SP2, enter in tower respectively as initial wash oil S8 through pump P1, P2 supercharging respectively and
Secondary washing oil S9, washing heat exchange is carried out to gas phase, and bottom cycle stream stock S8 leads to above the herringbone baffle pan group with perforate
Cross previous cleaning section cleaning solution distributor pipe and enter tower, upper-circulation flow stock S9 is distributed above grid packing by secondary flushing section feeding
Guan Jinta.So as to realize recycling for washing oil.
The present embodiment products application in certain factory's chilling tower apparatus, using this multistage combined high efficient heat exchanging dust arrester,
Cleaning dust heat transfer effect is good, and the dust removal efficiency of feed gas meets and exceeds technic index requirement up to 96%.
Multistage combined high efficient heat exchanging dust arrester proposed by the present invention is described by preferred embodiment, phase
Closing technical staff can substantially be modified not departing from present invention, spirit and scope to structure as herein described and equipment
Or suitably change with combining and to realize the technology of the present invention.In particular, all similar replacements and change are to this
It is it will be apparent that they are considered as being included in spirit of the invention, scope and content for art personnel.
Claims (9)
1. a kind of multistage combined high efficient heat exchanging dust arrester, it is characterized in that including successively from down to up in gas wash tower：Tower bottom
Gas distributor, initial wash section tower tray, previous cleaning section cleaning solution distributor pipe, secondary purge zone grid packing, secondary purge zone
Anti-clogging liquid distribution trough, secondary flushing section feeding distributor pipe, fresh wash liquid charging distributor pipe 7 and spiral board demister.
2. device as claimed in claim 1, it is characterized in that gas distributor is tangential circulation feed distributor, biserial vane type
Gas distributor or common gas distribution tube.
3. device as claimed in claim 1, it is characterized in that the herringbone baffle plate of gas distributor center line and the bottom on top
Distance from top is 1.4~2 times of gas feed mouthful diameter.
4. device as claimed in claim 1, it is characterized in that initial wash section tower tray is the herringbone baffle pan with perforate, herringbone
Baffle plate deflection plate width is the 1/8~1/15 of tower diameter；Every layer of spacing of herringbone tower tray is 600-900mm；The number of plies of herringbone baffle plate
It is 6~10 layers.
5. device as claimed in claim 1, it is characterized in that the herringbone at the top of initial wash section feeding distributor pipe distance between center line
Baffle plate top is 1.2-2 times of charging distributor pipe caliber, feeds distributor pipe to set branch pipe on supervisor, and branch bottom of the tube opens distribution hole
Form, each branch pipe lower section correspondence one folded liquid plate of herringbone baffle plate, length of the branch pipe length direction parallel to folded liquid plate
Direction.
6. device as claimed in claim 1, it is characterized in that grid packing is mass transfer exchange heat grid packing, grid packing is using filling out
Expect trim ring and support spacing into every trade, top herringbone baffle plate top is away from grid packing bottom spacing in 1m~2m.
7. device as claimed in claim 1, it is characterized in that anti-clogging liquid distribution trough distance from bottom filler upper surface 100mm~
200mm；Distributor side wall opens conical distribution hole, and the spout hole of inverted triangle is set between conical distribution hole.
8. device as claimed in claim 1, it is characterized in that anti-clogging liquid distribution trough top sets secondary flushing section feeding point
Stringing, the distributor pipe bottom opening, the major trough of correspondence liquid distribution trough, distributor pipe is 200- apart from the upper surface of liquid distribution trough
400mm。
9. the application method of device as claimed in claim 1, it is characterized in that gas wash tower circulation fluid point two parts enter tower, a part
Herringbone baffle plate top is squeezed into by pump, another part squeezes into grid packing top by pump, and herringbone baffle plate top cleaning solution is accounted for always
The 2/3-4/5 of internal circulating load, grid packing top cleaning solution accounts for the 1/3-1/5 of global cycle amount.
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| CN201611263495.2A CN106731399A (en) | 2016-12-30 | 2016-12-30 | A kind of multistage combined high efficient heat exchanging dust arrester and its application method |
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| CN201611263495.2A CN106731399A (en) | 2016-12-30 | 2016-12-30 | A kind of multistage combined high efficient heat exchanging dust arrester and its application method |
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Cited By (4)
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| CN108709434A (en) * | 2018-08-31 | 2018-10-26 | 江阴中南重工有限公司 | Nitrogen cooling tower |
| CN110776963A (en) * | 2019-11-07 | 2020-02-11 | 同济大学 | Waste pyrolysis gas purification device and method |
| CN112295533A (en) * | 2020-10-28 | 2021-02-02 | 北洋国家精馏技术工程发展有限公司 | Herringbone baffle with fin type detachable supporting beam |
| CN113877486A (en) * | 2020-07-03 | 2022-01-04 | 中国石化工程建设有限公司 | Reaction oil gas quenching system and method |
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Application publication date: 20170531 |