CN85104555A - Novel liquid-gas jet mixing apparatus - Google Patents
Novel liquid-gas jet mixing apparatus Download PDFInfo
- Publication number
- CN85104555A CN85104555A CN 85104555 CN85104555A CN85104555A CN 85104555 A CN85104555 A CN 85104555A CN 85104555 CN85104555 CN 85104555 CN 85104555 A CN85104555 A CN 85104555A CN 85104555 A CN85104555 A CN 85104555A
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- Prior art keywords
- liquid
- gas jet
- jet pump
- gas
- pump
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- 238000002156 mixing Methods 0.000 title claims abstract description 38
- 239000007788 liquid Substances 0.000 claims abstract description 65
- 238000009434 installation Methods 0.000 claims description 5
- 239000007789 gas Substances 0.000 abstract description 44
- 239000012530 fluid Substances 0.000 abstract description 5
- 238000003756 stirring Methods 0.000 abstract description 4
- 238000005273 aeration Methods 0.000 abstract description 3
- 238000010521 absorption reaction Methods 0.000 abstract description 2
- 238000003889 chemical engineering Methods 0.000 abstract description 2
- 239000010865 sewage Substances 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 9
- 239000000203 mixture Substances 0.000 description 4
- 230000005514 two-phase flow Effects 0.000 description 3
- 238000005276 aerator Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000010358 mechanical oscillation Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
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- Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
Abstract
A kind of by fore pump and liquid gas---the new liquid-gas jet mixing apparatus that the liquid jet pump is formed.This device utilizes fore pump that liquids and gases have been mixed into hydraulic fluid gas two-phase fluid, by liquid gas---and the liquid jet pump sucks the liquid of mixing pit.Work liquid-gas jet and sucked liquid carry out momentum and mass exchange in trunnion, discharge by anemostat then, and cause strong turbulent fluctuation and eddy flow in mixing pit, thereby liquid gas two alternate contacts area are increased, and mass-transfer efficiency improves.In addition, this device also has the comprehensive function of mixing and carrying concurrently.Can be used for mixing, the stirring of Chemical Engineering, carry and the mass transfer absorption aeration of sewage biochemical treatment engineering, occasions such as deironing aeration in the water engineering and fishery cultivating.
Description
The present invention is a kind of liquid-gas jet mixing apparatus and design and installation method thereof.
The equipment that general commonly used liquids and gases mix has two classes: a class is a mechanical mixing equipment, for mechanical impeller surface aeration device etc.It sucks air in the liquid and mixes by being submerged in the impeller rotation in the liquid.This equipment needs speed change gear, thereby complex structure, and the operation noise is big, the easy to wear and corrosion of mechanical components such as impeller and axle.The dynamic power machine of this device is placed on the mixing pit top, in order to bear mechanical oscillation and deadweight thereof, must take the corresponding structure measure to mixing pit, thereby increase the cost of structures.Another kind of is single-stage and two-stage liquid-gas jet pump, it sucks gas by high-velocity liquid jet and mixes, but owing to the mass transport process major part of liquid and gas will be finished in mixing pit, and gas is overflowed from the mixing pit surface easily, thereby mass-transfer efficiency is not high.And it can not adapt to liquid level variation occasion greatly in geometry mixing pit different with the degree of depth and the pond.The present invention is exactly develop at the problem of said apparatus existence a kind of simple in structure, mass-transfer efficiency height, novel liquid-gas jet mixing apparatus applied widely.
Main points of the present invention are: this device is by liquid solution-air jet pump, and fore pump is formed.See accompanying drawing one.Liquid solution-air jet pump is the main pump of device, and it is made up of nozzle, trunnion, anemostat and suction chamber, sees accompanying drawing two.Fore pump is made up of centrifugal pump and single-stage liquid-gas jet pump or centrifugal pump and air compressor, sees accompanying drawing one.They provide the liquid gas fluid-mixing of pressure to liquid solution-air jet pump.
The operation principle of this device is: centrifugal pump sucks liquid pressurization back from mixing pit or liquid storage tank and sucks gas by liquid-gas jet pump and mix, and is formed with hydraulic fluid, gas two phase flow or forms liquid, gas two phase flow by centrifugal pump and gas compressor.Be sent to liquid solution-air jet pump by pipeline, the nozzle ejection of the liquid gas mixed liquor of pressure from this pump arranged, suck the liquid in the mixing pit, liquid-gas jet and sucked liquid carry out momentum and quality transmission in mixing tube, discharge by anemostat then,, thereby in mixing pit, formed strong turbulent fluctuation and cyclonic action in mixing pit because liquid solution-air jet pump sucks and discharge liquid, alternate contact area between liquid and the gas is increased, and mass-transfer efficiency improves.
Another main points of the present invention are to have proposed the method for designing of the liquid solution-air jet pump in the novel liquid-gas jet device and the selection of fore pump (centrifugal pump and liquid-gas jet pump), supporting method for designing, and whole Unit Installation using method.
(1) the physical dimension method for designing of liquid solution-air jet pump:
The nozzle diameter:
Throat pipe diameter d
1 3=d
1 1
The anemostat outlet diameter:
Length of throat:
=(8～10) d
1 3
In the above-mentioned formula: q
S=Q
g/ Q
L
q
1＝Q
S/Q
L
Q
g-volumetric flow of gas;
Q
L-hydraulic fluid flow;
Q
S-suction fluid flow;
P
1 0The pressure of fluid-mixing before the-liquid solution-air jet pump nozzle;
P
a-atmospheric pressure;
P
c-liquid solution-air jet pump anemostat outlet pressure;
m＝f
3/f
1;
f
1-nozzle discharge area;
f
3-trunnion inlet-duct area;
μ
1-nozzle orifice coeficient;
φ
3-anemostat efflux coefficient;
V
c-anemostat exit velocity.
(2) liquid-gas jet pump construction design method:
Nozzle diameter::
Throat pipe diameter:
Length of throat: l
K=[(0.688m
1-0.26)/(Δ P
0) (2.42m
1+ 7.77)
+1.5( (0.688m
1-0.26)/(ΔP
0) )]d,
In the above-mentioned formula: P
0-working liquid pressure;
μ-nozzle efflux coefficient;
m
4＝f
3/f
1;
f
3-trunnion area;
f
1-nozzle discharge area;
ε-nozzle constriction coefficient;
(3) this device is divided into two classes according to purposes: a class is a mixed stirring device, and it has eight kinds of mounting means, sees accompanying drawing three.In the accompanying drawing three, mounting means shown in (1) is that a vertically arranged liquid-gas jet pump is connected with the liquid solution-air jet pump that a level is installed.(2) mounting means shown in is that a vertically arranged liquid-gas jet pump is connected with the liquid solution-air jet pump that four levels in parallel are installed.(3) mounting means shown in is that a vertically arranged liquid-gas jet pump is connected with a vertically arranged liquid solution-air jet pump.(4) mounting means shown in is that a vertically arranged liquid-gas jet pump is connected with five the vertically arranged liquid solution-air of parallel connection jet pumps.(5) mounting means shown in is that a vertically arranged liquid-gas jet pump is in parallel with the liquid solution-air jet pump of two height varying levels installation.(6) mounting means shown in is a vertically arranged liquid-gas jet pump and the parallel connection of two groups four liquid solution-air jet pumps in parallel.(7) mounting means shown in is to connect with a vertically arranged liquid solution-air jet pump below a liquid jet pump is submerged in liquid level.(8) mounting means shown in is that a vertically arranged liquid-gas jet pump that is submerged under the liquid is connected with five the vertically arranged liquid solution-air of parallel connection jet pumps.Another kind of is mix conveying appliance, and its mounting means is that the liquid-gas jet pump that has a horizontal plane installation of conveying function concurrently is connected with a liquid solution-air jet pump shown in figure four.
The novel liquid-gas jet mixing apparatus that designs in a manner described, makes, installs and use has following advantage: (1) its movement-less part is submerged in the blending agent, thereby reliable operation, safeguards the aspect, and noise is little.(2) it adopts twice injection to mix, and the contact area between the liquid gas two-phase is increased, thereby improved mass-transfer efficiency.(3) it can be used for the blended absorbent process between the two or more liquids and gases and has the function of carrying and stirring concurrently.
This device can be used for mixing, stirring and the gas-liquid absorption equipment in the Chemical Engineering, the aerator in the biochemical processing procedure of sewage, deironing aerator in the water engineering and the oxygen increasing equipment in the fishery cultivating.
In the accompanying drawing one: 1 is centrifugal pump, and 2 is gate valve, and 3 is liquid-gas jet pump, and 4 is liquid solution-air jet pump, and 5 is mixing pit, and 6 are gas feed.
In the accompanying drawing two: 1 is nozzle, and 2 is suction chamber, and 3 is trunnion, and 4 is anemostat, and 5 is the liquid-gas two-phase flow import, and 6 is the gas-liquid mixed flow export, and 7 is liquid-inlet.
In the accompanying drawing three, symbol
Represent centrifugal pump,
Represent liquid-gas jet pump,
Represent liquid solution-air jet pump,
Represent gate valve,
Be mixing pit.
In the accompanying drawing four: 1 is centrifugal pump, and 2 is gate valve, and 3 is liquid-gas jet pump, and 4 is liquid solution-air jet pump, and 5 is liquid-inlet, and 6 are gas feed, and 7 is mixture export, and 8 is liquid-inlet.
Claims (11)
1, a kind of new liquid-gas jet mixing apparatus is characterized in that this device is made up of fore pump and liquid solution-air jet pump that centrifugal pump and liquid-gas jet pump or centrifugal pump and gas compressor constitute.
2, as the described new liquid-gas jet mixing apparatus of claim 1., it is characterized in that: the dimensional structure of described liquid solution-air jet pump designs as follows:
The nozzle diameter:
Throat pipe diameter d
1 3=d
1 1
The anemostat outlet diameter:
Length of throat l
k=(8～10) d
1 3
The dimensional structure of described liquid-gas jet pump designs as follows:
The nozzle diameter:
3,, it is characterized in that this device adopts the mounting means of being connected with the liquid solution-air jet pump of a level installation by a vertically arranged liquid-gas jet pump as claim 1., 2. described new liquid-gas jet mixing apparatus.
4,, it is characterized in that this device takes the mounting means of being connected by the liquid solution-air jet pump that a vertically arranged liquid-gas jet pump and four levels in parallel are installed as claim 1., 2. described new liquid-gas jet mixing apparatus.
5,, it is characterized in that this device takes the mounting means of being connected with a vertically arranged liquid solution-air jet pump by a vertically arranged liquid-gas jet pump as claim 1., 2. described new liquid-gas jet mixing apparatus.
6,, it is characterized in that this device is to take the mounting means of being connected with five the vertically arranged liquid solution-air of parallel connection jet pumps by a vertically arranged liquid-gas jet pump as claim 1., 2. described new liquid-gas jet mixing apparatus.
7,, it is characterized in that this device is to take by a vertically arranged liquid-gas jet pump and two liquid solution-air jet pump mounting means in parallel that the height varying levels are installed as claim 1., 2. described new liquid-gas jet mixing apparatus.
8, as claim 1., 2. described new liquid-gas jet mixing apparatus, it is characterized in that this device is to take by a vertically arranged liquid-gas jet pump and the parallel connection of two groups four liquid solution-air jet pumps in parallel.
9,, it is characterized in that this device is to take a liquid-gas jet pump to be submerged in the following mounting means of connecting with a vertically arranged liquid solution-air jet pump of liquid level as claim 1., 2. described new liquid-gas jet mixing apparatus.
10,, it is characterized in that this device is to take a vertical liquid-gas jet pump that is submerged under the liquid of installing to connect with five the vertically arranged liquid solution-air of parallel connection jet pumps as claim 1., 2. described new liquid-gas jet mixing apparatus.
11,, it is characterized in that this device is to take the mounting means of being connected with a liquid solution-air jet pump by the liquid-gas jet pump that a horizontal plane is installed as claim 1., 2. described new liquid-gas jet mixing apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN85104555A CN85104555B (en) | 1985-06-12 | 1985-06-12 | Liquid-gas jet mixing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN85104555A CN85104555B (en) | 1985-06-12 | 1985-06-12 | Liquid-gas jet mixing apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN85104555A true CN85104555A (en) | 1987-01-14 |
| CN85104555B CN85104555B (en) | 1987-01-14 |
Family
ID=4793919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN85104555A Expired CN85104555B (en) | 1985-06-12 | 1985-06-12 | Liquid-gas jet mixing apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN85104555B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105712510A (en) * | 2016-04-15 | 2016-06-29 | 柳州市文峰养殖场 | Use method of jet aeration device |
| CN110332967A (en) * | 2019-07-09 | 2019-10-15 | 北京工业大学 | A kind of method and apparatus based on kinetic energy method measurement high-pressure gas jet mass flow |
| CN113058409A (en) * | 2021-03-18 | 2021-07-02 | 大唐环境产业集团股份有限公司 | Spray head suitable for carbide slag flue gas desulfurization |
| CN115387761A (en) * | 2022-10-31 | 2022-11-25 | 廊坊市华海石油技术开发有限公司 | Oil-gas well liquid discharge pipe column device with high lift and deep pumping liquid discharge method |
| RU2819491C1 (en) * | 2023-03-30 | 2024-05-21 | Общество с ограниченной ответственностью "ЕВРОЛОС" | Domestic waste water biological treatment plant recirculation unit |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110272117A (en) * | 2019-07-18 | 2019-09-24 | 上海明诺环境科技有限公司 | A kind of sewage treatment blast aerator |
-
1985
- 1985-06-12 CN CN85104555A patent/CN85104555B/en not_active Expired
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105712510A (en) * | 2016-04-15 | 2016-06-29 | 柳州市文峰养殖场 | Use method of jet aeration device |
| CN110332967A (en) * | 2019-07-09 | 2019-10-15 | 北京工业大学 | A kind of method and apparatus based on kinetic energy method measurement high-pressure gas jet mass flow |
| CN113058409A (en) * | 2021-03-18 | 2021-07-02 | 大唐环境产业集团股份有限公司 | Spray head suitable for carbide slag flue gas desulfurization |
| CN115387761A (en) * | 2022-10-31 | 2022-11-25 | 廊坊市华海石油技术开发有限公司 | Oil-gas well liquid discharge pipe column device with high lift and deep pumping liquid discharge method |
| RU2819491C1 (en) * | 2023-03-30 | 2024-05-21 | Общество с ограниченной ответственностью "ЕВРОЛОС" | Domestic waste water biological treatment plant recirculation unit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN85104555B (en) | 1987-01-14 |
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