CN113304568A - Multi-pipe Venturi type rotational flow double-tower spraying device - Google Patents

Multi-pipe Venturi type rotational flow double-tower spraying device Download PDF

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Publication number
CN113304568A
CN113304568A CN202110660738.0A CN202110660738A CN113304568A CN 113304568 A CN113304568 A CN 113304568A CN 202110660738 A CN202110660738 A CN 202110660738A CN 113304568 A CN113304568 A CN 113304568A
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China
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tower body
spraying
venturi
tower
layer
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CN202110660738.0A
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Chinese (zh)
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张金熔
张翔程
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Wenzhou Weicheng Environmental Protection Technology Co ltd
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Wenzhou Weicheng Environmental Protection Technology Co ltd
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Priority to CN202110660738.0A priority Critical patent/CN113304568A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D47/00Separating dispersed particles from gases, air or vapours by liquid as separating agent
    • B01D47/10Venturi scrubbers

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Treating Waste Gases (AREA)
  • Gas Separation By Absorption (AREA)

Abstract

The invention discloses a multi-tube Venturi type rotational flow double-tower spraying device, which relates to the technical field of flue gas dust removal and comprises a first tower body, a second tower body, a base, a Venturi tube group and a spraying device, wherein the first tower body and the second tower body are arranged at one end of the base, the second tower body is positioned at one side of the first tower body, the second tower body is communicated with the bottom of the first tower body, and the Venturi tube group is arranged in the first tower body. The during operation, through the entry input flue gas at first tower body top, when the flue gas was organized through venturi, the venturi that can realize adopting lower choke air velocity through the setting is organized and is obtained higher operation effect, has reduced the resistance by a wide margin when reducing choke air velocity, has overcome single tube venturi resistance and has penetrated the not good difficult problem of diffusion effect greatly, impels that venturi group, vortex, whirl and defogging dust collector as an organic whole's total resistance < 1200 Pa.

Description

Multi-pipe Venturi type rotational flow double-tower spraying device
Technical Field
The invention relates to the technical field of flue gas dust removal, in particular to a multi-pipe Venturi type rotational flow double-tower spraying device.
Background
The general wet dedusting complete equipment, such as a spray tower, a packed tower, a turbulent ball tower, a sieve plate tower and a rotational flow plate tower, has the gas-liquid mixing process mainly based on inertial collision, and can achieve better gas-liquid mixing effect only by using a Venturi tube dedusting device mainly for injection and diffusion. Injection diffusion is the ability to diffuse liquid into gas using the negative pressure created by high velocity gas flow. Injection capacity is proportional to the square of the velocity of airflow passing through the throat and inversely proportional to the required diameter of the throat (F ^ U/D). Because the larger the injection range is, the larger the movement resistance which must be overcome by the injected liquid is, when the processing air quantity is increased, the diameter of the Venturi tube also needs to be enlarged, and in order to achieve the same movement effect, the air flow speed in the throat tube also needs to be increased, so that the resistance is increased, and the processing efficiency of the smoke is reduced.
Disclosure of Invention
The invention aims to provide a multi-tube Venturi type rotational flow double-tower spraying device to solve the technical problem that the treatment efficiency of flue gas in the prior art is insufficient.
The invention provides a multi-tube Venturi type rotational flow double-tower spraying device which comprises a first tower body, a second tower body, a circulating water pool, a Venturi tube group and a spraying device, the first tower body and the second tower body are both arranged at the upper end of the circulating water pool, the second tower body is positioned at one side of the first tower body, the second tower body is communicated with the bottom of the first tower body, the Venturi tube group is arranged in the first tower body, the venturi tube group comprises a plurality of venturi tubes, the spraying device comprises a first spraying layer, a second spraying layer and a third spraying layer, the first spraying layer is arranged in the first tower body and positioned at the upper side of the Venturi tube group, the second spraying layer is arranged in the first tower body and positioned at the lower side of the Venturi tube group, the third sprays the layer setting at the junction of first tower body and second tower body, all be equipped with the manhole on first tower body and the second tower body.
Furthermore, the first spraying layer comprises three spraying branch pipes, each spraying branch pipe is provided with a plurality of spray heads, the water outlet ends of the two spray heads on the middle spraying branch pipe are arranged upwards, and the water outlet ends of the spray heads on the other spraying branch pipes are arranged downwards aiming at the inlets of the venturi tube groups; the second spraying layer comprises a spraying branch pipe, three spray heads are arranged on the spraying branch pipe, the water outlet ends of two spray heads are arranged upwards, and the water outlet end of the last spray head is arranged downwards; the third spraying layer comprises a spraying branch pipe, and a spray head with a water outlet end facing the first tower body is arranged on the spraying branch pipe.
Furthermore, a swirler is further arranged at the bottom of the inner side of the first tower body, and the output end of the swirler faces the second tower body.
Furthermore, a centrifugal column is arranged at the bottom of the inner side of the second tower body, and a rotational flow plate is arranged at the top of the centrifugal column.
Furthermore, a defogging layer is arranged on the upper side inside the second tower body.
Further, spray set still includes submerged pump, spray house steward and fourth and sprays the layer, the fourth sprays the layer setting and just is located the downside of whirl board in the second tower, the fourth sprays the layer and includes two spray branch pipes, and all is equipped with two shower nozzles that go out the decurrent water outlet end on every spray branch pipe, submerged pump sets up on circulating water pool, spray house steward's one end and the play water outlet end of submerged pump are connected, just spray house steward and first spray layer, second and spray layer, third and spray the spray branch pipe intercommunication on layer and fourth and spray the layer.
Further, each venturi tube is circular in cross-section.
Further, the cross section of each Venturi tube is in a regular hexagon shape.
Compared with the prior art, the invention has the beneficial effects that:
(1) according to the invention, flue gas is input through the inlet at the top of the first tower body, when the flue gas passes through the venturi tube group, the higher operation effect is obtained by adopting the lower air flow speed of the throat tube through the arranged venturi tube group, the resistance is greatly reduced while the air flow speed of the throat tube is reduced, the problem of poor ejection and diffusion effects caused by large resistance of a single-tube venturi tube is overcome, and the total resistance of the dust removal device integrating the venturi tube group, vortex, rotational flow and demisting is promoted to be less than 1200 Pa.
(2) The invention ensures that gas and liquid are efficiently mixed by the four purification rings which are buckled with each other step by step, particularly the injection diffusion of the Venturi tube group, enhances the treatment of the flue gas and ensures that the dust removal efficiency can reach more than 98 percent.
(3) According to the invention, through the two venturi tubes with different shapes, the circular venturi tube is convenient to process, and the processing cost can be reduced; the laminating of each venturi can be better inseparable in regular hexagon's venturi group, and regular hexagon's venturi can realize the maximize to gas absorption processing in same area for gaseous treatment effect is better, adaptable different job scenario.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
FIG. 3 is an enlarged view taken at A in FIG. 2;
FIG. 4 is a schematic perspective view of a venturi assembly according to a first embodiment of the present invention;
figure 5 is a perspective view of a venturi assembly according to a second embodiment of the present invention.
Reference numerals:
1. a first tower body; 11. a manhole; 12. a swirler; 2. a second tower body; 21. a centrifugal column; 22. a swirl plate; 23. a demisting layer; 3. a circulating water tank; 4. a venturi tube bank; 41. a venturi tube; 5. a spraying device; 51. a submerged pump; 52. a main spray pipe; 53. a first spray layer; 54. a second spray layer; 55. a third spray layer; 56. a fourth spray layer; 57. spraying branch pipes; 58. and (4) a spray head.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention.
The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.
All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 to 4, a first embodiment of the present invention provides a multi-tube venturi-type swirling flow dual-tower spraying device, including a first tower body 1, a second tower body 2, a circulating water tank 3, a venturi tube group 4 and a spraying device 5, where the first tower body 1 and the second tower body 2 are both disposed at one end of a base 3, the second tower body 2 is located at one side of the first tower body 1, the second tower body 2 is communicated with the bottom of the first tower body 1, the venturi tube group 4 is disposed in the first tower body 1, the venturi tube group 4 includes a plurality of venturi tubes 41, the spraying device 5 includes a first spraying layer 53, a second spraying layer 54 and a third spraying layer 55, the first spraying layer 53 is disposed inside the first tower body 1 and located at the upper side of the venturi tube group 4, the second spraying layer 54 is disposed in the first tower body 1 and located at the lower side of the venturi tube group 4, the third sprays the junction that layer 55 set up at first tower body 1 and second tower body 2, all be equipped with manhole 11 on first tower body 1 and the second tower body 2, in operation, import flue gas through the entry at first tower body 1 top, when the flue gas is organized 4 through venturi, organize 4 single venturi pipe through the venturi that sets up to replace among the prior art, then venturi 41 diameter in venturi group 4 all is less than single venturi pipe among the prior art, realize adopting lower venturi pipe air velocity to obtain higher operation effect, the resistance has been reduced by a wide margin when reducing venturi pipe air velocity, the big difficult problem of drawing the diffusion effect of penetrating of single tube venturi resistance has been overcome, impel venturi group 4, the vortex, the total resistance of whirl and the dust collector as an organic whole of defogging < 1200 Pa.
Preferably, the first spraying layer 53 includes three spraying branch pipes 57, and each spraying branch pipe 57 is provided with a plurality of spray heads 58, wherein the water outlet ends of two spray heads 58 on the middle spraying branch pipe 57 are arranged upward, and the water outlet ends of the spray heads 58 on the other spraying branch pipes 57 are arranged downward for the inlet of the venturi tube group 4; the second spraying layer 54 comprises a spraying branch pipe 57, and three spray heads 58 are arranged on the spraying branch pipe 57, wherein the water outlet ends of two spray heads 58 are arranged upwards, and the water outlet end of the last spray head 58 is arranged downwards; the third spraying layer 55 comprises a spraying branch pipe 57, the spraying branch pipe 57 is provided with a spray head 58 with a water outlet end facing the first tower body 1, and the spray head 58 can be matched with the venturi tube group 4 through the arrangement of the plurality of spray heads 58, so that the contact between the sprayed liquid and the flue gas is enhanced, and the treatment effect on the flue gas is further enhanced.
Preferably, the bottom of the inner side of the first tower body 1 is further provided with a swirler 12, the output end of the swirler 12 faces the second tower body 2, and the swirler 12 is arranged to enable the gas from the venturi to smoothly enter the lower part of the second tower through a vortex.
Preferably, the bottom of the inner side of the second tower body 2 is provided with a centrifugal column 21, the top of the centrifugal column 21 is provided with a rotational flow plate 22, and the centrifugal column 21 is arranged to enable airflow to spirally rise along the inner wall of the cylinder.
Preferably, the upper side in the second tower body 2 is provided with a demisting layer 23, and the demisting layer 23 can prevent moisture contained in the gas from affecting the operation of the fan when the gas is discharged.
Preferably, the spraying device 5 further includes a submerged pump 51, a spraying header pipe 52 and a fourth spraying layer 56, the fourth spraying layer 56 is disposed in the second tower body 2 and located on the lower side of the cyclone plate 22, the fourth spraying layer 56 includes two spraying branch pipes 57, each spraying branch pipe 57 is provided with two spray heads 58 with downward water outlets, the submerged pump 51 is disposed on the base 3, one end of the spraying header pipe 52 is connected with the water outlet of the submerged pump 51, the spraying header pipe 52 is communicated with the spraying branch pipes 57 of the first spraying layer 53, the second spraying layer 54, the third spraying layer 55 and the fourth spraying layer 56, and the gas is sprayed through the fourth spraying layer, so that the gas treatment effect is better.
Preferably, each venturi tube 41 has a circular cross section, and the circular venturi tube 41 is convenient to machine, so that the machining cost can be reduced.
Referring to fig. 5, a second embodiment of the present invention provides a multi-venturi-type swirling flow dual-tower spraying device, wherein the cross section of each venturi tube 41 is a regular hexagon, the venturi tubes 41 in the venturi tube set 4 in this state can be attached more closely, the regular hexagon venturi tubes in the same area can maximize the gas absorption treatment, and the contact between the venturi tubes 41 and the gas can be increased, so that the gas treatment effect is better.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims (8)

1. The utility model provides a multitube venturi tube formula whirl double tower spray set, characterized in that, includes first tower body (1), second tower body (2), circulation pond (3), venturi group (4), spray set (5), first tower body (1) and second tower body (2) all set up in the top of circulation pond (3), and second tower body (2) are located one side of first tower body (1), and second tower body (2) and first tower body (1) bottom intercommunication, venturi group (4) set up in first tower body (1), venturi group (4) include a plurality of venturi (41), spray set (5) include first spraying layer (53), second spraying layer (54) and third spraying layer (55), first spraying layer (53) set up inside first tower body (1) and are located the upside of group (4), the second sprays layer (54) and sets up in first tower body (1) and is located the downside of venturi group (4), the third sprays layer (55) and sets up the junction at first tower body (1) and second tower body (2), all be equipped with manhole (11) on first tower body (1) and the second tower body (2).
2. The multi-pipe Venturi type rotational flow double-tower spraying device as claimed in claim 1, wherein the first spraying layer (53) comprises three spraying branch pipes (57), and each spraying branch pipe (57) is provided with a plurality of spraying heads (58), wherein the water outlet ends of the spraying heads (58) on the middle spraying branch pipe (57) are arranged upwards, and the water outlet ends of the spraying heads (58) on the other spraying branch pipes (57) are arranged downwards aiming at the inlets of the Venturi pipe groups (4); the second spraying layer (54) comprises a spraying branch pipe (57), and three spray heads (58) are arranged on the spraying branch pipe (57), wherein the water outlet ends of two spray heads (58) are arranged upwards, and the water outlet end of the last spray head (58) is arranged downwards; the third spraying layer (55) comprises a spraying branch pipe (57), and a spray head (58) with a water outlet end facing the first tower body (1) is arranged on the spraying branch pipe (57).
3. A multi-tube venturi-type cyclone double-tower spray device according to claim 1, wherein the inner bottom of the first tower body (1) is further provided with a swirler (12), and the output end of the swirler (12) faces the second tower body (2).
4. A multi-tube venturi-type cyclone double-tower spray device according to claim 1, wherein the bottom of the inner side of the second tower body (2) is provided with a centrifugal column (21), and the top of the centrifugal column (21) is provided with a cyclone plate (22).
5. A multi-tube venturi-type cyclone double-tower spray device according to claim 1, wherein the inner upper side of the second tower body (2) is provided with a demisting layer (23).
6. A multi-tube Venturi-type swirling double-tower spray device according to claim 4, the spraying device (5) also comprises a submerged pump (51), a spraying main pipe (52) and a fourth spraying layer (56), the fourth spraying layer (56) is arranged in the second tower body (2) and is positioned at the lower side of the rotational flow plate (22), the fourth spraying layer (56) comprises two spraying branch pipes (57), and each spray branch pipe (57) is provided with two spray heads (58) with downward water outlet ends, the submerged pump (51) is arranged on the base (3), one end of the spraying main pipe (52) is connected with the water outlet end of the submerged pump (51), and the spraying main pipe (52) is communicated with the spraying branch pipes (57) of the first spraying layer (53), the second spraying layer (54), the third spraying layer (55) and the fourth spraying layer (56).
7. A multi-venturi-type cyclonic double tower spray device as claimed in claim 1, wherein each of said venturi tubes (41) is circular in cross-section.
8. A multi-venturi-type cyclonic double tower spray device as claimed in claim 1, wherein each of said venturi tubes (41) is regular hexagonal in cross section.
CN202110660738.0A 2021-06-15 2021-06-15 Multi-pipe Venturi type rotational flow double-tower spraying device Pending CN113304568A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110660738.0A CN113304568A (en) 2021-06-15 2021-06-15 Multi-pipe Venturi type rotational flow double-tower spraying device

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Application Number Priority Date Filing Date Title
CN202110660738.0A CN113304568A (en) 2021-06-15 2021-06-15 Multi-pipe Venturi type rotational flow double-tower spraying device

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CN113304568A true CN113304568A (en) 2021-08-27

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1100282A (en) * 1964-04-30 1968-01-24 Airfilco Ltd Improvements relating to gas cleaning
CN2822748Y (en) * 2005-09-10 2006-10-04 方建华 Apparatus for purifying waste-gas
CN201195084Y (en) * 2008-05-25 2009-02-18 方建华 Apparatus for purifying waste air
CN105727700A (en) * 2016-05-17 2016-07-06 同正环保集团有限公司 Integrated ultra-clean desulfurization and dust collection device
CN205730730U (en) * 2016-05-07 2016-11-30 同正环保集团有限公司 A kind of multitube Venturi

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1100282A (en) * 1964-04-30 1968-01-24 Airfilco Ltd Improvements relating to gas cleaning
CN2822748Y (en) * 2005-09-10 2006-10-04 方建华 Apparatus for purifying waste-gas
CN201195084Y (en) * 2008-05-25 2009-02-18 方建华 Apparatus for purifying waste air
CN205730730U (en) * 2016-05-07 2016-11-30 同正环保集团有限公司 A kind of multitube Venturi
CN105727700A (en) * 2016-05-17 2016-07-06 同正环保集团有限公司 Integrated ultra-clean desulfurization and dust collection device

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
陈文敏等: "《洁净煤技术基础》", 31 March 1997, 煤炭工业出版社 *

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