CN201074612Y - Vortex flow type efflux pump - Google Patents
Vortex flow type efflux pump Download PDFInfo
- Publication number
- CN201074612Y CN201074612Y CNU2007201246856U CN200720124685U CN201074612Y CN 201074612 Y CN201074612 Y CN 201074612Y CN U2007201246856 U CNU2007201246856 U CN U2007201246856U CN 200720124685 U CN200720124685 U CN 200720124685U CN 201074612 Y CN201074612 Y CN 201074612Y
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- tail pipe
- trunnion
- blade
- pipe
- inlet
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Abstract
The utility model discloses a swirling type jet pump, which comprises an air intake tube, a throat pipe inlet, a throat pipe, a nozzle, a diffusion tube and a tail pipe, wherein the air intake tube is located on the side wall of the throat pipe inlet, the nozzle is located in the throat pipe inlet, the throat pipe inlet is communicated with the throat pipe, and the diffusion tube which is under the throat pipe is communicated with the tail pipe. The utility model is characterized in that a swirler is installed in the tail pipe, the swirler is composed of a central column and at least three pieces of vanes which are fixed on the side wall of the central column, wherein the vanes are distributed evenly between the central column and the inner wall of the tail pipe according to the circumference. The utility model can intensify gas-liquid disturbing intensity on a jet pump outlet and mixing level between mediums, sufficient mixing and even distribution of liquid can be promoted, medium utilizing efficiency can be increased, and operating energy consumption can be lowered.
Description
Technical field
The utility model belongs to the jet pump technology field, specifically, is a kind of cyclone type Jet injector.
Background technique
Two kinds of forms of forced oxidation and autoxidation are arranged in the limestone wet-process flue gas desulfurization technique, in the autoxidation technology because problems such as fouling and obstruction often take place, influence the normal operation of whole system, thus at present in the world wet desulfurizing process mainly based on forced oxidation.
The forced oxidation system mostly relies on blower fan or air compressor as the forced oxidation air power source, blasts air in lime stone slurry.The forced oxidation systematic comparison is stable, and adaptability is extensive, but has equipment complexity, big, the shortcomings such as occupation of land is many, coefficient of oxygen utilization is low, operating cost is high, capital investment is big, noise is high, maintenance management difficulty of structure volume.For overcoming above-mentioned shortcoming, adopted lime stone slurry jet oxidation technology in the foreign department branch engineering, this technology utilizes lime stone slurry as working fluid exactly, entrainment air by Jet injector and enter the slurries pond with slurries, in the slurries pond under the well-off situation of oxygen, the oxidation fan of can stopping transport so reduced operating cost, can save energy about 20%.
But, the conventional Jet injector of using comprises nozzle at present, the trunnion inlet, trunnion, diffusing tube, tail pipe and air intake pipe cyclone type Jet injector, wherein said air intake pipe is positioned at the sidewall of trunnion inlet and communicates with it, described nozzle is positioned at the upper end of trunnion inlet and stretches into the trunnion inlet, the lower end of trunnion inlet is communicated with the upper end of described trunnion, the lower end of described trunnion is a diffusing tube, this diffusing tube communicates with described tail pipe, and described nozzle, the trunnion inlet, trunnion, the central lines of diffusing tube and tail pipe, conventional Jet injector spraying gas, during liquid mixture, be difficult to accomplish the abundant mixing between gas-liquid, mass-transfer efficiency is not high, the medium utilization ratio reduces, and has increased operation energy consumption.
The shortcoming of existing Jet injector is: do not possess agitating function, it is low to reach near the medium mixability of outlet in the Jet injector, the operation energy consumption height.
The model utility content
Technical problem to be solved in the utility model provides a kind of cyclone type Jet injector, possesses agitating function, can strengthen the mixability between Jet injector outlet gas-liquid strength of turbulence and medium.
The technical solution of the utility model is as follows: a kind of cyclone type Jet injector, comprise air intake pipe, the trunnion inlet, trunnion, nozzle, diffusing tube and tail pipe, wherein said air intake pipe is positioned at the sidewall of trunnion inlet and communicates with it, described nozzle is positioned at the upper end of trunnion inlet and stretches into the trunnion inlet, the lower end of trunnion inlet is communicated with the upper end of described trunnion, the lower end of described trunnion is a diffusing tube, this diffusing tube communicates with described tail pipe, and described nozzle, the trunnion inlet, trunnion, the central lines of diffusing tube and tail pipe, its key is: in the described tail pipe swirler is installed, this swirler is made up of newel and 3 blades that are fixed on its sidewall at least, wherein blade is evenly distributed between newel and the described inner wall of liner by circumference, and blade is fixedlyed connected with tail pipe.
Slurries through pressurization spray at a high speed from nozzle, trunnion ingress interruption-forming moment negative pressure, and the air that is entrainmenting in the air intake pipe enters trunnion together, and gas-liquid mixture sprays through swirler, provides oxidation air with this.
Described newel cross section accounts for the 8-12% of tail pipe cross sectional area.
Described newel is a steel pipe, and described blade is made by steel plate, and two sides of this steel plate are welded on respectively on newel and the described tail pipe.
Described blade is the steel plate of a middle part bending, and this bending part top is a prismatic blade, and this bending part below is oblique blade.
Described swirler height is h, and prismatic blade is parallel with the center line of tail pipe, and the bending radius r of blade bending part is
Described oblique blade and tail pipe outlet horizontal sextant angle α are 25 °～35 °.
Gas and liquid mixture stream produces rotary jet during through described swirler, produces the recirculating zone near the swirler outlet, increased the slurries level of disruption, strengthened mixing of air and slurries, and then the promotion air is evenly distributed and oxygen absorption in the slurries pond.Simultaneously, swirling flow liquid can play stirring action to a certain degree.
Beneficial effect: the utility model possesses agitating function, can strengthen the mixability between Jet injector outlet gas-liquid strength of turbulence and medium, can promote the abundant mixing of liquid, evenly distribution, improves the medium utilization ratio, has reduced operation energy consumption.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the viewgraph of cross-section of swirler;
Fig. 3 is the structural representation of blade;
Fig. 4 stretches into the structural representation of limestone slurry liquid pool for the utility model;
The three-dimensional structure diagram of Fig. 5 swirler.
Embodiment
The utility model is described in further detail below in conjunction with drawings and Examples:
With lime stone slurry liquid jet oxidation technology in the limestone wet-process flue gas desulfurization technique is example:
As Fig. 1, shown in 2, a kind of cyclone type Jet injector, by air intake pipe 1, trunnion inlet 2, trunnion 3, nozzle 4, diffusing tube 5, tail pipe 6, swirler 7, blade 8 and newel 9 are formed, wherein said air intake pipe 1 is positioned at the sidewall of trunnion inlet 2 and communicates with it, described nozzle 4 is positioned at the upper end of trunnion inlet 2 and stretches into trunnion inlet 2, the lower end of trunnion inlet 2 is communicated with the upper end of described trunnion 3, the lower end of described trunnion 3 is a diffusing tube 5, this diffusing tube 5 communicates with described tail pipe 6, and described nozzle 4, trunnion inlet 2, trunnion 3, the central lines of diffusing tube 5 and tail pipe 6, in the described tail pipe 6 swirler 7 is installed, this swirler 7 is made up of newel 9 and 6～10 blades 8 that are fixed on its sidewall, wherein blade 8 is evenly distributed between newel 9 and described tail pipe 6 inwalls by circumference, and blade 8 is fixedlyed connected with tail pipe 6.
Through the slurries of pressurization from nozzle 4 ejection at a high speed, the trunnion 2 place's interruption-forming moment negative pressure that enter the mouth, the air that is entrainmenting in the air intake pipe 1 enters trunnion 3 together, gas-liquid mixture provides oxidation air through swirler 7 ejections with this.
Described newel 9 cross sections account for the 8-12% of tail pipe cross sectional area.
Described newel 9 is a steel pipe, and described blade 8 is made by steel plate, and two sides of this steel plate are welded on respectively on newel 9 and the described tail pipe 6.
Shown in Fig. 3,5, described blade 8 is the steel plate of a middle part bending, and this bending part top is prismatic blade 8a, and this bending part below is oblique blade 8b.
Described swirler height is h, and described prismatic blade 8a is parallel with the center line of tail pipe 6, and the bending radius r of described blade 8 bending parts is
Described oblique blade 8b and tail pipe 6 outlet horizontal sextant angle α are 30 °.
Described swirler height h is 200-300mm, and blade 8 thickness are 2mm, and upright plate 8a length is 15-20mm.
Its working principle is as follows:
As shown in Figure 4, through the lime stone slurry of pressurization from nozzle 4 ejection at a high speed, the trunnion 2 place's interruption-forming negative pressure that enter the mouth, the air that is entrainmenting in the air intake pipe 1 enters trunnion 3 together, gas-liquid mixture enters the limestone slurry liquid pool through swirler 7, provides oxidation air with this.Gas and liquid mixture stream produces rotary jet through described swirler, and spray into the slurries pond, and near the swirler outlet, produce the recirculating zone, increased the slurries level of disruption, strengthened mixing of air and lime stone slurry, and then promoted that air is evenly distributed and oxygen absorption in the slurries pond.Simultaneously, swirling flow liquid can play stirring action to a certain degree, has improved gypsum quality.
Claims (5)
1. cyclone type Jet injector, comprise air intake pipe (1), trunnion inlet (2), trunnion (3), nozzle (4), diffusing tube (5) and tail pipe (6), wherein said air intake pipe (1) is positioned at the sidewall of trunnion inlet (2) and communicates with it, described nozzle (4) is positioned at the upper end of trunnion inlet (2) and stretches into trunnion inlet (2), the lower end of trunnion inlet (2) is communicated with the upper end of described trunnion (3), the lower end of described trunnion (3) is diffusing tube (5), this diffusing tube (5) communicates with described tail pipe (6), and described nozzle (4), trunnion inlet (2), trunnion (3), the central lines of diffusing tube (5) and tail pipe (6), it is characterized in that: swirler (7) is installed in the described tail pipe (6), this swirler (7) is made up of newel (9) and 3 blades (8) of being fixed on its sidewall at least, wherein blade (8) is evenly distributed between newel (9) and described tail pipe (6) inwall by circumference, and blade (8) is fixedlyed connected with tail pipe (6).
2. according to the described cyclone type Jet injector of claim 1, it is characterized in that: described newel (9) cross section accounts for the 8-12% of tail pipe cross sectional area.
3. according to claim 1 or 2 described cyclone type Jet injectors, it is characterized in that: described newel (9) is a steel pipe, and described blade (8) is made by steel plate, and two sides of this steel plate are welded on respectively on newel (9) and the described tail pipe (6).
4. according to the described cyclone type Jet injector of claim 3, it is characterized in that: described blade (8) is the steel plate of a middle part bending, and this bending part top is prismatic blade (8a), and this bending part below is oblique blade (8b).
5. according to the described cyclone type Jet injector of claim 4, it is characterized in that: described swirler height is h, and described prismatic blade (8a) is parallel with the center line of tail pipe (6), and the bending radius r of described blade (8) bending part is
Described oblique blade (8b) is 25 °～35 ° with tail pipe (6) outlet horizontal sextant angle α.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201246856U CN201074612Y (en) | 2007-07-10 | 2007-07-10 | Vortex flow type efflux pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201246856U CN201074612Y (en) | 2007-07-10 | 2007-07-10 | Vortex flow type efflux pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201074612Y true CN201074612Y (en) | 2008-06-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201246856U Expired - Lifetime CN201074612Y (en) | 2007-07-10 | 2007-07-10 | Vortex flow type efflux pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201074612Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102297165A (en) * | 2010-06-23 | 2011-12-28 | 中国农业大学 | Guide vane type rotary spraying jet pump |
| CN102350256A (en) * | 2011-07-01 | 2012-02-15 | 南阳启伟微生态基因科技开发有限公司 | Micro-nano bubble generating device, and fermentation apparatus and fermentation method using same |
| CN104761067A (en) * | 2015-03-18 | 2015-07-08 | 上海爱地环保技术有限公司 | Jet aerator emitting swirling jet flow |
| CN106855179A (en) * | 2015-12-08 | 2017-06-16 | 北京水创新能科技有限责任公司 | A kind of device and energy collecting device for increasing liquid flow stability |
| CN107715719A (en) * | 2017-09-11 | 2018-02-23 | 天津科技大学 | A kind of nozzle of achievable jet pumping system tail pipe secondary jet charging |
| CN110671370A (en) * | 2019-08-17 | 2020-01-10 | 河北欧姆隆机械有限公司 | Atmospheric injector and processing technology thereof |
| CN113102132A (en) * | 2021-04-15 | 2021-07-13 | 攀钢集团攀枝花钢铁研究院有限公司 | Strong corrosive liquid ejector |
-
2007
- 2007-07-10 CN CNU2007201246856U patent/CN201074612Y/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102297165A (en) * | 2010-06-23 | 2011-12-28 | 中国农业大学 | Guide vane type rotary spraying jet pump |
| CN102350256A (en) * | 2011-07-01 | 2012-02-15 | 南阳启伟微生态基因科技开发有限公司 | Micro-nano bubble generating device, and fermentation apparatus and fermentation method using same |
| CN102350256B (en) * | 2011-07-01 | 2013-11-13 | 南阳启伟微生态基因科技开发有限公司 | Micro-nano bubble generating device, and fermentation apparatus and fermentation method using same |
| CN104761067A (en) * | 2015-03-18 | 2015-07-08 | 上海爱地环保技术有限公司 | Jet aerator emitting swirling jet flow |
| CN104761067B (en) * | 2015-03-18 | 2016-08-24 | 上海爱地环保技术有限公司 | Launch the jet aerator of turn type jet |
| CN106855179A (en) * | 2015-12-08 | 2017-06-16 | 北京水创新能科技有限责任公司 | A kind of device and energy collecting device for increasing liquid flow stability |
| CN107715719A (en) * | 2017-09-11 | 2018-02-23 | 天津科技大学 | A kind of nozzle of achievable jet pumping system tail pipe secondary jet charging |
| CN110671370A (en) * | 2019-08-17 | 2020-01-10 | 河北欧姆隆机械有限公司 | Atmospheric injector and processing technology thereof |
| CN113102132A (en) * | 2021-04-15 | 2021-07-13 | 攀钢集团攀枝花钢铁研究院有限公司 | Strong corrosive liquid ejector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20080618 |