CN104667677A - Venturi washing and filtering device - Google Patents
Venturi washing and filtering device Download PDFInfo
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- CN104667677A CN104667677A CN201510072363.0A CN201510072363A CN104667677A CN 104667677 A CN104667677 A CN 104667677A CN 201510072363 A CN201510072363 A CN 201510072363A CN 104667677 A CN104667677 A CN 104667677A
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- venturi
- pressure vessel
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- filtration device
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Abstract
The invention belongs to a mechanical washing and filtering device and in particular relates to a venturi washing and filtering device. The device comprises a pressure vessel containing washing solution, wherein an inlet adapter tube and an outlet adapter tube are arranged on the top of the pressure vessel; the inlet adapter tube is connected with an inlet pipeline in the pressure vessel; the inlet pipeline extends from the top of the pressure vessel to the lower part of the pressure vessel and is fixed by virtue of a supporting piece; a group of venturi tubes immersed in the washing solution is arranged on the inlet pipeline; and totally 2-12 venturi tubes are arranged. Compared with other types of washing filters, the venturi washing and filtering device disclosed by the invention has high filtering efficiency.
Description
Technical field
The invention belongs to mechanical Water filtration device for filtering, be specifically related to a kind of Water filtration device for filtering of in-built one group of venturi nozzle.
Background technology
Produce high velocity air by means of venturi nozzle and mix with the washing liquid phase that throat sucks the effect reaching dedusting, Venturi tube to have obtained in the application of industrial aspect as wet scrubber and has developed faster, venturi washing filter is introduced in again in nuclear power plant containment shell filtering emission system, for removing the radioactive substances such as aerosol in containment exhaust and iodine when reactor disaster.Venturi washing filter is by in-built one group of Venturi tube, the flow behavior produced by jet pipe removes aerosol in containment in emission gases and iodine, simultaneously, by the washing effect of the water lotion in venturi washing filter, aerosol in containment in emission gases and iodine can be trapped in washing filter, and the gas after being cleaned continues to flow into next stage filter plant.At present, venturi water scrubber filter is applied to some extent in nuclear power station and other industrial circle, but its structure also exists more difference, and the critical component venturi nozzle mainly in water scrubber filter exists different situations on set-up mode.
Summary of the invention
The object of this invention is to provide the horizontal cylinder shape pressure vessel type Water filtration device for filtering that a kind of filter efficiency is high.
Technical scheme of the present invention is as follows: a kind of venturi Water filtration device for filtering, comprise the pressure vessel of splendid attire water lotion, pressure vessel top is provided with inlet connection and discharge connection, inlet duct in described inlet connection Bonding pressure container, inlet duct extends to pressure vessel bottom from pressure vessel top, and is fixed by support member, wherein, inlet duct is provided with one group of Venturi tube be immersed in water lotion, and described one group of Venturi tube has 2-12.
Further, venturi Water filtration device for filtering as above, wherein, be provided with blast pipe at described pressure vessel top, bottom is provided with drainpipe.
Further, venturi Water filtration device for filtering as above, wherein, described pressure vessel is also provided with manhole and instrument nozzle.
Further, venturi Water filtration device for filtering as above, wherein, described Venturi tube comprises contraction section, trunnion section, expansion segment, described contraction section, trunnion section, expansion segment are conical shell, described contraction section and the stacked setting of trunnion section, form circular passage between contraction section outer wall and trunnion section inwall, trunnion section is provided with some apertures; The lower end of described expansion segment is connected with the upper end of trunnion section.
Further, venturi Water filtration device for filtering as above, wherein, arranges at the top of described Venturi tube expansion segment and supports fin and outlet damper, supports between fin and outlet damper and forms perforate.
Further, venturi Water filtration device for filtering as above, wherein, the upper-end inner diameter of described Venturi tube contraction section is 10 ~ 50mm, and bottom diameter is 50 ~ 100mm, and length is 50 ~ 100mm; The radial width of the circular passage formed between contraction section outer wall and trunnion section inwall is 3mm.
Further, venturi Water filtration device for filtering as above, wherein, the bottom diameter of described Venturi tube expansion segment is 10 ~ 50mm, and upper-end inner diameter is 50 ~ 100mm, and expansion angle is 3 ~ 15 °, and length is 200 ~ 500mm.
Beneficial effect of the present invention is as follows: the present invention adopts the novel arrangement mode of the some rows of multiple Venturi tube word orders, has the filter efficiency higher compared with other types washing filter.The structure of venturi throat ejecting port is designed to circumferential weld pattern, not only significantly reduces perforation resistance and increase perforation circulation area, the fluid flow of injection is greatly enhanced; Simultaneously because ejecting port and air current flow direction exist a following current angle, make driven fluid more easily arrive throat's runner center, the detersive efficiency improving Venturi tube is played an important role.The present invention is provided with at Venturi exit correct position and supports fin and baffle plate, compressing and peptizaiton are produced to " mushroom " shape air mass formed at Venturi exit time not baffled, air velocity near Venturi exit is increased, Flow vibration also obtains corresponding alleviation, makes the detersive efficiency of Venturi tube obtain larger raising.
Accompanying drawing explanation
Fig. 1 is the structural representation of venturi Water filtration device for filtering;
Fig. 2 is the structural representation of Venturi tube.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is described in detail.
As shown in Figure 1, venturi Water filtration device for filtering provided by the present invention comprises the pressure vessel 1 of splendid attire water lotion, pressure vessel 1 top is provided with inlet connection 2 and discharge connection 3, inlet duct 4 in described inlet connection 2 Bonding pressure container 1, inlet duct 4 extends to pressure vessel bottom from pressure vessel top, and fixed by support member 10, inlet duct 4 is provided with one group of Venturi tube 5 be immersed in water lotion, described one group of Venturi tube has eight, the two row spread configurations in in-line.Be provided with blast pipe 6 at pressure vessel 1 top, bottom is provided with drainpipe 7; In addition, pressure vessel 1 is also provided with manhole 8 and instrument nozzle 9 (comprising level instrumentation nozzle and gauge manifold).
Dusty gas enters inlet duct 4 by inlet connection 2, one group of Venturi tube 5 is entered by inlet duct, and move upward, when dusty gas flows in Venturi tube 5, the water lotion in pressure vessel 1 is inhaled into Venturi tube 5 simultaneously, grit soaking through water lotion, be wrapped in drop, through collision, the cohesion of the expansion segment of Venturi tube, reach steam-water separation effect, realize efficient dedusting object.
As shown in Figure 2, Venturi tube comprises contraction section 11, trunnion section 12, expansion segment 13, and described contraction section 11, trunnion section 12, expansion segment 13 are conical shell.Wherein, described contraction section 11 and the stacked setting of trunnion section 12, form circular passage between the outer wall of contraction section 11 and the inwall of trunnion section 12, trunnion section 12 is provided with some apertures; The lower end of described expansion segment 13 is connected with the upper end of trunnion section 12, and the top of expansion segment 13 arranges and supports fin 14 and outlet damper 15, supports between fin 14 and outlet damper 15 and forms perforate.Trunnion section 12 is connected with the second flange 16 of contraction section by the first flange 17, and the bottom of contraction section 11 is connected with inlet duct by the second flange 16.
The upper-end inner diameter of described Venturi tube contraction section is 10 ~ 50mm, and bottom diameter is 50 ~ 100mm, and length is 50 ~ 100mm; The radial width of the circular passage formed between contraction section outer wall and trunnion section inwall is 3mm.The bottom diameter of expansion segment is 10 ~ 50mm, and upper-end inner diameter is 50 ~ 100mm, and expansion angle is 3 ° ~ 15 °, and length is 200 ~ 500mm.
As a specific embodiment, the upper-end inner diameter d of contraction section 11
1for 29.1mm, bottom diameter d
2for 72.1mm, length h
1for 97.1mm, converging angles θ
2it is 25 °; The radial width of the circular passage formed between contraction section 11 outer wall and trunnion section 12 inwall is 3mm, trunnion section 12 is arranged the aperture of 4 diameter 4mm.The bottom diameter d of expansion segment 13
3for 29.1mm, upper-end inner diameter d
4for 68.9mm, expansion angle θ
1be 7 °, length h
2for 325.4mm.
Venturi tube is arranged in the water lotion of Water filtration device for filtering pressure vessel, dusty gas is introduced by pipeline, Venturi tube dust arrester is entered at a high speed by contraction section 11, and move upward, when reaching trunnion section 12, water lotion is sucked trunnion section by the circular passage formed between contraction section 11 outer wall and trunnion section 12 inwall, fully mix with the dusty gas by Venturi tube, grit is soaked by water lotion, and be wrapped in drop, air-flow passes through expansion segment 13 together with drop subsequently, air velocity starts to reduce, pressure gos up, dust-laden drop collides mutually because of deceleration, cohesion, form the dust-laden water droplet that particle diameter is larger.These dust-laden drops carry out carbonated drink separation, thus reach efficient dedusting object after flowing out Venturi tube by the square opening supporting fin and the formation of outlet arc-shaped baffle.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if belong within the scope of the claims in the present invention and equivalent technology thereof to these amendments of the present invention and modification, then the present invention is also intended to comprise these change and modification.
Claims (7)
1. a venturi Water filtration device for filtering, comprise the pressure vessel (1) of splendid attire water lotion, pressure vessel (1) top is provided with inlet connection (2) and discharge connection (3), inlet duct (4) in described inlet connection (2) Bonding pressure container (1), inlet duct (4) extends to pressure vessel bottom from pressure vessel top, and fixed by support member (10), it is characterized in that: on inlet duct (4), be provided with one group of Venturi tube (5) be immersed in water lotion, described one group of Venturi tube has 2-12.
2. venturi Water filtration device for filtering as claimed in claim 1, is characterized in that: be provided with blast pipe (6) at described pressure vessel (1) top, bottom is provided with drainpipe (7).
3. venturi Water filtration device for filtering as claimed in claim 1, is characterized in that: on described pressure vessel (1), be also provided with manhole (8) and instrument nozzle (9).
4. as the venturi Water filtration device for filtering in claim 1-3 as described in any one, it is characterized in that: described Venturi tube comprises contraction section (11), trunnion section (12), expansion segment (13), described contraction section (11), trunnion section (12), expansion segment (13) are conical shell, described contraction section (11) and trunnion section (12) stacked setting, form circular passage between contraction section (11) outer wall and trunnion section (12) inwall, trunnion section (12) is provided with some apertures; The lower end of described expansion segment (13) is connected with the upper end of trunnion section (12).
5. venturi Water filtration device for filtering as claimed in claim 4, it is characterized in that: arrange at the top of described Venturi tube expansion segment (13) and support fin (14) and outlet damper (15), support between fin and outlet damper and form perforate.
6. venturi Water filtration device for filtering as claimed in claim 5, is characterized in that: the upper-end inner diameter of described Venturi tube contraction section (11) is 10 ~ 50mm, and bottom diameter is 50 ~ 100mm, and length is 50 ~ 100mm; The radial width of the circular passage formed between contraction section (11) outer wall and trunnion section (12) inwall is 3mm.
7. venturi Water filtration device for filtering as claimed in claim 6, is characterized in that: the bottom diameter of described Venturi tube expansion segment (13) is 10 ~ 50mm, and upper-end inner diameter is 50 ~ 100mm, and expansion angle is 3 ~ 15 °, and length is 200 ~ 500mm.
Priority Applications (1)
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CN201510072363.0A CN104667677A (en) | 2015-02-11 | 2015-02-11 | Venturi washing and filtering device |
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CN201510072363.0A CN104667677A (en) | 2015-02-11 | 2015-02-11 | Venturi washing and filtering device |
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106577173A (en) * | 2015-10-14 | 2017-04-26 | 王金 | Water irrigation device |
CN108211751A (en) * | 2017-05-02 | 2018-06-29 | 中国石油化工股份有限公司 | The split type venturi washing sterilizer of spiral feed liquor |
CN108211837A (en) * | 2017-05-02 | 2018-06-29 | 中国石油化工股份有限公司 | Two sections of self-priming venturi washing sterilizers |
CN108211526A (en) * | 2017-05-02 | 2018-06-29 | 中国石油化工股份有限公司 | Harmful influence leaks emergency disposal system |
CN108525443A (en) * | 2017-03-01 | 2018-09-14 | 中国石油化工股份有限公司 | A kind of venturi washing sterilizer |
CN110448978A (en) * | 2018-05-07 | 2019-11-15 | 中国石油化工股份有限公司 | Self-priming more shaped Venturi dedusting washing sterilizers and its application |
CN110449014A (en) * | 2018-05-07 | 2019-11-15 | 中国石油化工股份有限公司 | The washing sterilizer of self-priming double-venturi structure and its application |
Citations (3)
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US4873050A (en) * | 1987-03-23 | 1989-10-10 | Siemens Aktiengesellschaft | Method and apparatus for pressure relief of a nuclear power plant |
CN1544127A (en) * | 2003-11-10 | 2004-11-10 | 天津理工学院 | Doublestage desulfurizing and dedusting apparatus |
CN103566683A (en) * | 2013-11-14 | 2014-02-12 | 哈尔滨工程大学 | Split self-suction type Venturi tube washer |
-
2015
- 2015-02-11 CN CN201510072363.0A patent/CN104667677A/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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US4873050A (en) * | 1987-03-23 | 1989-10-10 | Siemens Aktiengesellschaft | Method and apparatus for pressure relief of a nuclear power plant |
CN1544127A (en) * | 2003-11-10 | 2004-11-10 | 天津理工学院 | Doublestage desulfurizing and dedusting apparatus |
CN103566683A (en) * | 2013-11-14 | 2014-02-12 | 哈尔滨工程大学 | Split self-suction type Venturi tube washer |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106577173A (en) * | 2015-10-14 | 2017-04-26 | 王金 | Water irrigation device |
CN108525443A (en) * | 2017-03-01 | 2018-09-14 | 中国石油化工股份有限公司 | A kind of venturi washing sterilizer |
CN108211751A (en) * | 2017-05-02 | 2018-06-29 | 中国石油化工股份有限公司 | The split type venturi washing sterilizer of spiral feed liquor |
CN108211837A (en) * | 2017-05-02 | 2018-06-29 | 中国石油化工股份有限公司 | Two sections of self-priming venturi washing sterilizers |
CN108211526A (en) * | 2017-05-02 | 2018-06-29 | 中国石油化工股份有限公司 | Harmful influence leaks emergency disposal system |
CN108211751B (en) * | 2017-05-02 | 2019-04-09 | 中国石油化工股份有限公司 | The split type venturi washing sterilizer of spiral feed liquor |
CN108211526B (en) * | 2017-05-02 | 2020-03-06 | 中国石油化工股份有限公司 | Emergency disposal system for hazardous chemical substance leakage |
CN110448978A (en) * | 2018-05-07 | 2019-11-15 | 中国石油化工股份有限公司 | Self-priming more shaped Venturi dedusting washing sterilizers and its application |
CN110449014A (en) * | 2018-05-07 | 2019-11-15 | 中国石油化工股份有限公司 | The washing sterilizer of self-priming double-venturi structure and its application |
CN110449014B (en) * | 2018-05-07 | 2021-07-13 | 中国石油化工股份有限公司 | Self-suction type double-venturi structure decontamination device and application thereof |
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Application publication date: 20150603 |