CN109499231A - A kind of Venturi scrubber of changeable structure - Google Patents
A kind of Venturi scrubber of changeable structure Download PDFInfo
- Publication number
- CN109499231A CN109499231A CN201910029588.6A CN201910029588A CN109499231A CN 109499231 A CN109499231 A CN 109499231A CN 201910029588 A CN201910029588 A CN 201910029588A CN 109499231 A CN109499231 A CN 109499231A
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- China
- Prior art keywords
- bolt
- bolt hole
- jet pipe
- hole
- horizontal
- Prior art date
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- 239000007921 spray Substances 0.000 claims abstract description 49
- 230000007704 transition Effects 0.000 claims abstract description 29
- 210000000867 larynx Anatomy 0.000 claims description 4
- 238000005235 decoking Methods 0.000 abstract description 14
- 230000000694 effects Effects 0.000 abstract description 12
- 230000008859 change Effects 0.000 abstract description 6
- 238000004064 recycling Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 8
- 238000009434 installation Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 239000002737 fuel gas Substances 0.000 description 4
- 239000007789 gas Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000011269 tar Substances 0.000 description 3
- 239000002028 Biomass Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 239000011285 coke tar Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005201 scrubbing Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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
- B01D47/10—Venturi scrubbers
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10K—PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
- C10K1/00—Purifying combustible gases containing carbon monoxide
- C10K1/002—Removal of contaminants
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10K—PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
- C10K1/00—Purifying combustible gases containing carbon monoxide
- C10K1/08—Purifying combustible gases containing carbon monoxide by washing with liquids; Reviving the used wash liquors
Abstract
The invention discloses a kind of Venturi scrubbers of changeable structure, including Venturi tube main body, tapered root module, throat's module, flaring root module, middle bolt group, stay bolt group, lag bolt group, horizontal jet pipe group, middle bolt, stay bolt, lag bolt, horizontal jet pipe, suitable jet pipe, inlet flange, outlet(discharge) flange, bolt hole group, bolt hole, tapered cavity, suitable jet pipe through-hole, converging transition bolt hole, throat's chamber, horizontal jet pipe through-hole, throat's bolt hole, flaring chamber and divergent segment bolt hole.Change tapered root module, throat's module, flaring root module, horizontal jet pipe and the matched combined mode along jet pipe, be put into Venturi tube main body, forms the Venturi scrubber of different cross section type and spray regime after recycling each bolt fixed.The present invention can meet different decoking effect requirements, save making time and cost, extend the service life of Venturi scrubber.
Description
Technical field
The present invention relates to Venturi scrubber technical fields, more particularly to a kind of Venturi scrubbing of changeable structure
Device.
Background technique
Gasification of biomass can generate tar while generating biological fuel gas.With the reduction of biological fuel gas temperature,
Gaseous tar will become tar droplet, and the coke tar particles after condensation are difficult to remove, and combustion gas enters after the equipment in downstream, will lead
The abrasion and corrosion for causing gas pipeline and gas equipment, reduce its use value.Therefore biomass gas purifying is devoked aobvious
Must be particularly significant, carrying out fuel gas decoking using Venturi scrubber is a kind of conventional means.
Venturi scrubber can be divided into round and rectangle by cross-sectional shape, can be divided by spraying cleaning solution mode along spray formula and
Horizontal spray formula.In practical work process, the requirement of different decoking effects and spray regime is usually contained, to meet different operating conditions
Under requirement, must just process multiple Venturi scrubber workpiece, increase input cost and the time of decoking, therefore one kind can change
The Venturi scrubber of structure changes becomes one of the research hotspot of this field.
Summary of the invention
The invention mainly solves the technical problem of providing a kind of Venturi scrubbers of changeable structure, can make literary mound
In washer be suitable for wash requirement, mode of washing change various working.
In order to solve the above technical problems, one technical scheme adopted by the invention is that:
A kind of Venturi scrubber of changeable structure, including Venturi tube main body 1, tapered root module 2, throat's module 3,
Flaring root module 4, middle bolt group 5, stay bolt group 6, horizontal jet pipe group 7, lag bolt group 8 and suitable jet pipe 9；In Venturi tube main body 1
Equipped with inlet flange 11, outlet(discharge) flange 12 and bolt hole group 13, bolt hole group 13 includes bolt hole a131, bolt hole b132, spiral shell
Keyhole c133, bolt hole d134, bolt hole e135, bolt hole f136, bolt hole g137, bolt hole h138 and bolt hole i139；
Tapered root module 2 includes tapered cavity 21, along jet pipe through-hole 22, converging transition bolt hole a231 and converging transition bolt hole b232；Throat
Module 3 includes throat's chamber 31, horizontal jet pipe through-hole a321, horizontal jet pipe through-hole b322, throat bolt hole a331 and throat's bolt hole
b332；Flaring root module 4 includes flaring chamber 41, divergent segment bolt hole a421 and divergent segment bolt hole b422；Middle bolt group 5 includes
Middle bolt a51, middle bolt b52, middle bolt c53, middle bolt d54 and middle bolt e55；Stay bolt group 6 includes stay bolt a61, length
Bolt b62, stay bolt c63 and stay bolt d64；Horizontal jet pipe group 7 includes horizontal jet pipe a71 and horizontal jet pipe b72；Lag bolt group 8 includes
Lag bolt a81, lag bolt b82, lag bolt c83, lag bolt d84 and lag bolt e85；Horizontal jet pipe a71 and horizontal jet pipe b72 is screwed in
The bolt hole of throat in Venturi tube main body 1, the bolt in each bolt group screw in remaining each bolt in Venturi tube main body 1
Hole forms the horizontal spray formula Venturi scrubber of circular cross-section；The bolt hole of converging transition in Venturi tube main body 1 will be screwed in along jet pipe 9,
Bolt in each bolt group screws in remaining each bolt hole in Venturi tube main body 1, forms circular cross-section and washes along spray formula venturi
Wash device；Tapered root module 2, throat's module 3 and flaring root module 4 are put into Venturi tube main body 1, after each bolt hole coincides
Horizontal jet pipe a71 and horizontal jet pipe b72 is screwed in the bolt hole of throat in Venturi tube main body 1 again, the bolt in each bolt group screws in
Remaining each bolt hole in Venturi tube main body 1 forms the horizontal spray formula Venturi scrubber in rectangular section；By tapered root module 2, larynx
Portion's module 3 and flaring root module 4 are put into Venturi tube main body 1, and each bolt hole will screw in venturi along jet pipe 9 again after coinciding
The bolt hole of converging transition in pipe main body 1, the bolt in each bolt group screw in remaining each bolt hole in Venturi tube main body 1, shape
The rectangular horizontal spray formula Venturi scrubber in section.
The Venturi tube main body 1 is to include the cylindrical body that section is round Venturi tube cavity, and entrance is arranged at both ends
Flange 11 and outlet(discharge) flange 12；Centre setting bolt hole group 13, including the bolt hole a131 that converging transition cavity vertical direction opens up,
The bolt hole b132 and bolt hole c133 that horizontal direction opens up, the bolt hole d134 and bolt hole that throat's cavity vertical direction opens up
F136, the bolt hole e135 and bolt hole g137 that horizontal direction opens up, the bolt hole h138 that divergent segment cavity horizontal direction opens up
And i139, each bolt hole axial line are respectively positioned on each section of bus midpoint.
The tapered root module 2 is the round estrade for including tapered cavity 21, and rotary table body side surface bus midpoint is opened along the vertical direction
There is suitable jet pipe through-hole 22, rotary table body side surface bus midpoint is provided with converging transition bolt hole a231 and converging transition bolt hole in the horizontal direction
b232。
Throat's module 3 is the cylindrical body for including throat's chamber 31, and cylindrical sides bus midpoint is provided with along the vertical direction
Horizontal jet pipe through-hole a321 and horizontal jet pipe through-hole b322, cylindrical sides bus midpoint is provided with throat bolt hole a331 in the horizontal direction
With throat bolt hole b332.
The flaring root module 4 is the round estrade for including flaring chamber 41, and rotary table body side surface bus midpoint is opened in the horizontal direction
There are divergent segment bolt hole a421 and divergent segment bolt hole b422.
The horizontal jet pipe a71, horizontal jet pipe b72 and suitable jet pipe 9 can be inserted into Venturi scrubber with being replaced mutually, in conjunction with not
Same operating condition completes Venturi scrubber in the horizontal spray formula in rectangular section, rectangular section along spray formula, the horizontal spray formula of circular cross-section and round section
Face makes washer have optimum efficiency under each operating condition along the switching under four kinds of modes of spray formula.
The beneficial effects of the present invention are:
A kind of Venturi scrubber of changeable structure of the present invention, by adjusting tapered root module, throat's module, divergent segment
Module, horizontal jet pipe and suitable matched combined mode of the jet pipe in Venturi tube main body, change the cross-sectional shape of Venturi scrubber
And spray regime, make washer that can meet different decoking effect requirements, saves making time and cost；Venturi scrubber is different
Assembly method adapt to different decoking degree, maximize the service life for extending Venturi scrubber.
Detailed description of the invention
Fig. 1 is a kind of 3-D view of the Venturi tube main body of the Venturi scrubber of changeable structure of the present invention；
Fig. 2 is a kind of 3-D view of the tapered root module of the Venturi scrubber of changeable structure of the present invention；
Fig. 3 is a kind of 3-D view of throat's module of the Venturi scrubber of changeable structure of the present invention；
Fig. 4 is a kind of 3-D view of the flaring root module of the Venturi scrubber of changeable structure of the present invention；
Fig. 5 is a kind of 3-D view of the horizontal jet pipe of the Venturi scrubber of changeable structure of the present invention；
Fig. 6 is a kind of 3-D view of the suitable jet pipe of the Venturi scrubber of changeable structure of the present invention；
Fig. 7 is a kind of first installation diagram of the Venturi scrubber of changeable structure of the present invention；
Fig. 8 is a kind of second installation diagram of the Venturi scrubber of changeable structure of the present invention；
Fig. 9 is a kind of third installation diagram of the Venturi scrubber of changeable structure of the present invention；
Figure 10 is a kind of 4th installation diagram of the Venturi scrubber of changeable structure of the present invention；
Figure 11 is a kind of 5th installation diagram of the Venturi scrubber of changeable structure of the present invention；
Figure 12 is a kind of 6th installation diagram of the Venturi scrubber of changeable structure of the present invention；
Figure 13 is a kind of 7th installation diagram of the Venturi scrubber of changeable structure of the present invention；
Figure 14 is the 3-D view that a kind of Venturi scrubber of changeable structure of the present invention is horizontal spray formula rectangular section；
Figure 15 is the left view and erect that a kind of Venturi scrubber of changeable structure of the present invention is horizontal spray formula rectangular section
Straight cross section view；
Figure 16 is the horizontal profile view that a kind of Venturi scrubber of changeable structure of the present invention is horizontal spray formula rectangular section
Figure；
Figure 17 is the installation diagram that a kind of Venturi scrubber of changeable structure of the present invention is horizontal spray formula circular cross-section；
Figure 18 is the left view and erect that a kind of Venturi scrubber of changeable structure of the present invention is horizontal spray formula circular cross-section
Straight cross section view；
Figure 19 is the horizontal profile view that a kind of Venturi scrubber of changeable structure of the present invention is horizontal spray formula circular cross-section
Figure；
Figure 20 is that a kind of Venturi scrubber of changeable structure of the present invention is the left view along spray formula circular cross-section and erects
Straight cross section view；
Figure 21 is that the horizontal profile that a kind of Venturi scrubber of changeable structure of the present invention is suitable spray formula circular cross-section regards
Figure；
Figure 22 is that a kind of Venturi scrubber of changeable structure of the present invention is the left view along spray formula rectangular section and erects
Straight cross section view；
Figure 23 is that the horizontal profile that a kind of Venturi scrubber of changeable structure of the present invention is suitable spray formula rectangular section regards
Figure.
Specific embodiment
Invention is further described in detail with reference to the accompanying drawings and detailed description so that advantages of the present invention and
Feature can be easier to be readily appreciated by one skilled in the art, to make apparent specific boundary to protection scope of the present invention
It is fixed.
The present invention is a kind of Venturi scrubber of changeable structure, including Venturi tube main body 1, tapered root module 2, larynx
Portion's module 3, flaring root module 4, middle bolt group 5, stay bolt group 6, horizontal jet pipe group 7, lag bolt group 8 and suitable jet pipe 9.Venturi tube
Main body 1 is equipped with inlet flange 11, outlet(discharge) flange 12 and bolt hole group 13, and bolt hole group 13 includes bolt hole a131, bolt hole
B132, bolt hole c133, bolt hole d134, bolt hole e135, bolt hole f136, bolt hole g137, bolt hole h138 and bolt
Hole i139.Tapered root module 2 includes tapered cavity 21, along jet pipe through-hole 22, converging transition bolt hole a231 and converging transition bolt hole
b232；Throat's module 3 includes throat's chamber 31, horizontal jet pipe through-hole a321, horizontal jet pipe through-hole b322, throat bolt hole a331 and throat
Bolt hole b332；Flaring root module 4 includes flaring chamber 41, divergent segment bolt hole a421 and divergent segment bolt hole b422.Middle bolt
Group 5 includes middle bolt a51, middle bolt b52, middle bolt c53, middle bolt d54 and middle bolt e55；Stay bolt group 6 includes stay bolt
A61, stay bolt b62, stay bolt c63 and stay bolt d64；Horizontal jet pipe group 7 includes horizontal jet pipe a71 and horizontal jet pipe b72；Lag bolt group
8 include lag bolt a81, lag bolt b82, lag bolt c83, lag bolt d84 and lag bolt e85.
As the preferred embodiment of the present invention, as shown in Figure 1, Venturi tube main body 1 is round literary mound to include section
In pipe cavity cylindrical body, inlet flange 11 and outlet(discharge) flange 12 be arranged in its both ends, and circumferentially-spaced 90 ° of two circular flange disks are each
Threaded hole there are four opening, for fixing Venturi scrubber.Bolt hole group 13 is set in the middle part of Venturi tube main body 1, and converging transition is empty
Chamber opens up bolt hole a131 along the vertical direction, opens up bolt hole b132 and bolt hole c133 in the horizontal direction, throat's cavity is along perpendicular
Histogram opens up bolt hole e135 and bolt hole g137, divergent segment to bolt hole d134 and bolt hole f136 is opened up in the horizontal direction
Cavity opens up bolt hole h138 and i139 in the horizontal direction, and the screw thread of each bolt hole is internal screw thread, and axial line is respectively positioned on each section
Bus midpoint.
Such as Fig. 2, tapered root module 2 is to split among a round estrade obtained by bucking ladder cavity, the outer shape of this round estrade
Identical with 1 converging transition round estrade cavity of Venturi tube main body, round estrade can seamless filled 1 converging transition of Venturi tube main body circle
Stage body cavity；The inside bucking ladder cavity of this round estrade is tapered cavity 21, and rotary table body side surface bus midpoint is provided with along the vertical direction
Along jet pipe through-hole 22, rotary table body side surface bus midpoint is provided with converging transition bolt hole a231 and converging transition bolt hole in the horizontal direction
B232, two bolt hole screw threads are internal screw thread.
Such as Fig. 3, throat's module 3 is to split among a cylindrical body obtained by cuboid cavity, the outer shape of this cylindrical body with
1 throat's cylindrical cavity of Venturi tube main body is identical, and cylindrical body can seamless filled 1 throat's cylindrical body sky of Venturi tube main body
Chamber；The inside cuboid cavity of this cylindrical body is throat's chamber 31, and cylindrical sides bus midpoint is provided with horizontal jet pipe along the vertical direction
Through-hole a321 and horizontal jet pipe through-hole b322, cylindrical sides bus midpoint is provided with throat bolt hole a331 and throat in the horizontal direction
Bolt hole b332, two bolt hole screw threads are internal screw thread.
Such as Fig. 4, flaring root module 4 is to split among a round estrade obtained by bucking ladder cavity, the outer shape of this round estrade
Identical with 1 divergent segment round estrade cavity of Venturi tube main body, round estrade can seamless filled 1 divergent segment of Venturi tube main body circle
Stage body cavity；The inside bucking ladder cavity of this round estrade is flaring chamber 41, and rotary table body side surface bus midpoint is provided in the horizontal direction
Divergent segment bolt hole a421 and divergent segment bolt hole b422, two bolt hole screw threads are internal screw thread.Above each bolt hole, bolt
Hole, horizontal jet pipe through-hole, the aperture of suitable jet pipe through-hole are all the same.
Horizontal jet pipe a71 in horizontal jet pipe group 7 is identical with horizontal jet pipe b72 structure, and horizontal jet pipe a71 is as shown in figure 5, in one
Portion has externally threaded round tube, and its external screw thread is matched with the internal screw thread of bolt hole.
Along jet pipe 9 as shown in fig. 6, being formed for one with externally threaded straight round tube and a circular right angle corner bend pipe, and outside it
Screw thread is matched with the internal screw thread of bolt hole.
A kind of assembling process of the Venturi scrubber of changeable structure of the present invention is as follows, such as Fig. 7, the wire frame arrow along figure
Mark direction penetrates throat's module 3 in Venturi tube main body 1；Such as Fig. 8,3 outer wall of throat's module and 1 throat of Venturi tube main body
The fitting of cylindrical cavity inner wall, 3 front and back disc of throat's module is respectively with 1 converging transition cavity exit disc of Venturi tube main body and gradually
Expand section cavity entrance disc to be overlapped, horizontal jet pipe hole a321, throat bolt hole a331, horizontal jet pipe hole b322, larynx in throat's module 3
Portion bolt hole b332 respectively with the bolt hole d134 of Venturi tube main body 1, bolt hole e135, bolt hole f136, bolt hole g137
It coincides；Such as Fig. 9, wire frame arrow logo direction penetrates tapered root module 2 in Venturi tube main body 1 along figure；Such as Figure 10, gradually
2 outer wall of contracting root module is bonded with 1 converging transition round estrade cavity inner wall of Venturi tube main body, tapered 2 front and back disc of root module difference
It is overlapped with 1 converging transition cavity entrance disc of Venturi tube main body and converging transition cavity exit disc, the suitable spray on tapered root module 2
Pore 22, converging transition bolt hole a231, converging transition bolt hole b232 respectively with bolt hole a131, the bolt of Venturi tube main body 1
Hole b132, bolt hole c133 coincide, and flaring root module 4 is penetrated Venturi tube main body 1 by wire frame arrow logo direction along figure
In；Such as Figure 11,4 outer wall of flaring root module is bonded with 1 divergent segment round estrade cavity inner wall of Venturi tube main body, flaring root module 4
Front and back disc is overlapped with 1 divergent segment cavity entrance disc of Venturi tube main body and divergent segment cavity exit disc respectively, divergent segment
Divergent segment bolt hole a421, divergent segment bolt hole b422 in module 4 respectively with bolt hole h138, the spiral shell of Venturi tube main body 1
Keyhole i139 coincides；Such as Figure 12, middle bolt a51, middle bolt b52, middle bolt c53, middle bolt d54 and middle bolt e55 are divided
Bolt hole a131, bolt hole b132, the bolt hole c133, bolt hole of Venturi tube main body 1 are not screwed in along each wire frame arrow direction
H138 and bolt hole i139, thus realize the tight fit of tapered root module 2 and flaring root module and Venturi tube main body 1, it will
Stay bolt b62, stay bolt d64 screw in bolt hole e135, the bolt hole of Venturi tube main body 1 along each wire frame arrow direction respectively
G137, to realize the tight fit of throat's module 3 Yu Venturi tube main body 1；Such as Figure 13, by horizontal jet pipe a71 and horizontal jet pipe b72
The bolt hole d134 and bolt hole f135 for screwing in Venturi tube main body 1 along each wire frame arrow direction respectively, reach the cooperation of Figure 14
Effect；Such as Figure 15 and 16, tapered root module 2, throat's module 3 and flaring root module 4 fit, and the rectangular enclosure of three is bonded into
Complete rectangular Venturi inner cavity, horizontal jet pipe a71 and horizontal jet pipe b72 penetrate rectangular Venturi throat, form entire rectangle
The horizontal spray formula Venturi scrubber in section；Such as Figure 17, if tapered root module 2, throat's module 3 are not inserted into Venturi tube main body 1
With flaring root module 4, each lag bolt, middle bolt and horizontal jet pipe directly are screwed in venturi by the direction of wire frame arrow logo in figure
In each bolt hole in pipe main body 1, the horizontal spray formula Venturi scrubber of entire circular cross-section, section view such as Figure 18 and 19 are formed
It is shown；If by Figure 17 horizontal jet pipe a71 and horizontal jet pipe b72 change middle bolt a51 and middle bolt c53 into, lag bolt a81 changes into suitable
Jet pipe 9, then screwed on each lag bolt, middle bolt and suitable jet pipe 9 to Venturi tube main body 1 by the direction of wire frame arrow logo in figure
Each bolt hole in, form entire circular cross-section along spray formula Venturi scrubber, section view is as shown in figs 20 and 21；If will
Middle bolt a51 in Figure 12 changes suitable jet pipe 9 into, and the horizontal jet pipe a71 and horizontal jet pipe b72 in Figure 13 change stay bolt a61 and long spiral shell into
Bolt c63 screws in each stay bolt, middle bolt and along jet pipe 9 to Venturi tube master according still further to the direction of wire frame arrow logo in Figure 14
In each bolt hole on body 1, entire rectangular section is ultimately formed along spray formula Venturi scrubber, section view such as Figure 22 and 23
It is shown.
The decoking principle of Venturi scrubber is collision, interception, the capture of coke tar particles and cleaning solution drop, therefore can make
The turbulence intensity of biological fuel gas becomes larger with tubulence energy, reinforces decoking effect.The turbulence of rectangular section Venturi scrubber tail portion
Can be bigger than circular cross-section Venturi scrubber with turbulence intensity, the tubulence energy and turbulence intensity of horizontal spray formula Venturi scrubber tail portion
Bigger than suitable spray formula Venturi scrubber, comparison decoking effect, rectangular section is better than circular cross-section, and horizontal spray formula is better than along spray formula.Square
Each section of wall shear stress is bigger than the Venturi scrubber of circular cross-section in tee section Venturi scrubber, and horizontal spray formula venturi is washed
It is big along spray formula Venturi scrubber to wash each section in device of wall shear stress ratio, for a long time using can make in the biggish situation of shearing stress
The lost of life of Venturi scrubber compares service life, and circular cross-section is better than rectangular section, is better than horizontal spray formula along spray formula.
Therefore, when devoking effect requirements highest, the Venturi scrubber that structure can be changed uses the horizontal spray formula in rectangular section
Assembly；When decoking effect requirements are higher, the Venturi scrubber that structure can be changed is assembled using rectangular section along spray formula；When removing
When burnt effect requirements are lower, the Venturi scrubber of structure can be changed using the horizontal spray formula assembly of circular cross-section；When decoking effect is wanted
When asking minimum, the Venturi scrubber that structure can be changed is assembled using circular cross-section along spray formula.It can met using above scheme
Under conditions of each operating condition decoking effect, extend the service life of Venturi scrubber.
In conclusion the present invention is by adjusting tapered root module, throat's module, flaring root module, horizontal jet pipe and suitable jet pipe
Matched combined mode in Venturi tube main body changes the cross-sectional shape and spray regime of Venturi scrubber, makes washer
Different decoking effect requirements can be met, save making time and cost；The different assembly method of Venturi scrubber adapts to different
Decoking degree, maximize extend Venturi scrubber service life.
Claims (7)
1. a kind of Venturi scrubber of changeable structure, it is characterised in that: including Venturi tube main body (1), tapered root module
(2), throat's module (3), flaring root module (4), middle bolt group (5), stay bolt group (6), horizontal jet pipe group (7), lag bolt group (8)
With suitable jet pipe (9)；Venturi tube main body (1) is equipped with inlet flange (11), outlet(discharge) flange (12) and bolt hole group (13), bolt
Hole group (13) include bolt hole a (131), bolt hole b (132), bolt hole c (133), bolt hole d (134), bolt hole e (135),
Bolt hole f (136), bolt hole g (137), bolt hole h (138) and bolt hole i (139)；Tapered root module (2) includes tapered cavity
(21), along jet pipe through-hole (22), converging transition bolt hole a (231) and converging transition bolt hole b (232)；Throat's module (3) includes larynx
Portion's chamber (31), horizontal jet pipe through-hole a (321), horizontal jet pipe through-hole b (322), throat bolt hole a (331) and throat bolt hole b
(332)；Flaring root module (4) includes flaring chamber (41), divergent segment bolt hole a (421) and divergent segment bolt hole b (422)；Middle spiral shell
Bolt group (5) includes middle bolt a (51), middle bolt b (52), middle bolt c (53), middle bolt d (54) and middle bolt e (55)；Long spiral shell
Bolt group (6) includes stay bolt a (61), stay bolt b (62), stay bolt c (63) and stay bolt d (64)；Horizontal jet pipe group (7) includes cross
Jet pipe a (71) and horizontal jet pipe b (72)；Lag bolt group (8) includes lag bolt a (81), lag bolt b (82), lag bolt c (83), short
Bolt d (84) and lag bolt e (85)；Horizontal jet pipe a (71) and horizontal jet pipe b (72) are screwed in into throat on Venturi tube main body (1)
Bolt hole, the bolt in each bolt group screw in remaining each bolt hole on Venturi tube main body (1), form the horizontal spray formula of circular cross-section
Venturi scrubber.
2. a kind of Venturi scrubber of changeable structure, it is characterised in that: the spiral shell of converging transition on the Venturi tube main body (1)
Keyhole screws in suitable jet pipe (9), and the bolt in each bolt group screws in remaining each bolt hole on Venturi tube main body (1), can be formed
Circular cross-section is along spray formula Venturi scrubber；Tapered root module (2), throat's module (3) and flaring root module (4) are put into literary mound
In in pipe main body (1), horizontal jet pipe a (71) and horizontal jet pipe b (72) are screwed in Venturi tube main body (1) again after coinciding by each bolt hole
The bolt hole of upper throat, the bolt in each bolt group screw in remaining each bolt hole on Venturi tube main body (1), can form rectangle
The horizontal spray formula Venturi scrubber in section；Tapered root module (2), throat's module (3) and flaring root module (4) are put into Venturi tube
In main body (1), each bolt hole will screw in the bolt hole of converging transition on Venturi tube main body (1) along jet pipe (9) again after coinciding, respectively
Bolt in bolt group screws in remaining each bolt hole on Venturi tube main body (1), can form rectangular section along spray formula venturi
Washer.
3. a kind of Venturi scrubber of changeable structure according to claim 1, it is characterised in that: the Venturi tube
Main body (1) is to include the cylindrical body that section is round Venturi tube cavity, and inlet flange (11) and outlet(discharge) flange are arranged in both ends
(12)；Centre setting bolt hole group (13), including the bolt hole a (131) that converging transition cavity vertical direction opens up, horizontal direction is opened
If bolt hole b (132) and bolt hole c (133), the bolt hole d (134) and bolt hole f that throat's cavity vertical direction opens up
(136), bolt hole e (135) and bolt hole g (137) that horizontal direction opens up, the bolt hole that divergent segment cavity horizontal direction opens up
H (138) and i (139), each bolt hole axial line are respectively positioned on each section of bus midpoint.
4. a kind of Venturi scrubber of changeable structure according to claim 1, it is characterised in that: the converging transition mould
Block (2) is the round estrade for including tapered cavity (21), and rotary table body side surface bus midpoint is provided with along jet pipe through-hole (22) along the vertical direction,
Rotary table body side surface bus midpoint is provided with converging transition bolt hole a (231) and converging transition bolt hole b (232) in the horizontal direction.
5. a kind of Venturi scrubber of changeable structure according to claim 1, it is characterised in that: throat's module
It (3) is the cylindrical body for including throat's chamber (31), cylindrical sides bus midpoint is provided with horizontal jet pipe through-hole a (321) along the vertical direction
With horizontal jet pipe through-hole b (322), cylindrical sides bus midpoint is provided with throat bolt hole a (331) and throat's bolt in the horizontal direction
Hole b (332).
6. a kind of Venturi scrubber of changeable structure according to claim 1, it is characterised in that: the divergent segment mould
Block (4) is the round estrade for including flaring chamber (41), and rotary table body side surface bus midpoint is provided with divergent segment bolt hole a in the horizontal direction
(421) and divergent segment bolt hole b (422).
7. a kind of Venturi scrubber of changeable structure according to claim 1, it is characterised in that: the horizontal jet pipe a
(71), horizontal jet pipe b (72) and suitable jet pipe (9) can be inserted into Venturi scrubber with being replaced mutually, and in conjunction with different operating conditions, complete text
In mound washer in the horizontal spray formula in rectangular section, rectangular section along spray formula, the horizontal spray formula of circular cross-section and circular cross-section along four kinds of spray formula
Switching under mode makes washer have optimum efficiency under each operating condition.
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| CN114042389A (en) * | 2020-07-26 | 2022-02-15 | 西安交通大学 | Venturi mixing device with throat part with variable guide angle |
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| CN109499231B (en) | 2023-12-01 |
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