CN106040467B - A kind of two-fluid spray nozzle based on high pressure water - Google Patents
A kind of two-fluid spray nozzle based on high pressure water Download PDFInfo
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- CN106040467B CN106040467B CN201610570315.9A CN201610570315A CN106040467B CN 106040467 B CN106040467 B CN 106040467B CN 201610570315 A CN201610570315 A CN 201610570315A CN 106040467 B CN106040467 B CN 106040467B
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- pipeline
- slurry
- pressure water
- cooling water
- high pressure
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
- B05B7/02—Spray pistols; Apparatus for discharge
- B05B7/06—Spray pistols; Apparatus for discharge with at least one outlet orifice surrounding another approximately in the same plane
- B05B7/061—Spray pistols; Apparatus for discharge with at least one outlet orifice surrounding another approximately in the same plane with several liquid outlets discharging one or several liquids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
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- Nozzles (AREA)
Abstract
Two-fluid spray nozzle provided by the invention based on high pressure water, including high-pressure water pipeline and slurry pipeline, slurry pipeline coaxial package is in the outside of high-pressure water pipeline, it is the flowing space of high pressure water in high-pressure water pipeline, it is the flowing space of slurry between slurry pipeline and high-pressure water pipeline, slurry pipeline is connected with slurry import, the end of slurry pipeline offers slurry nozzle, the front end of high-pressure water pipeline is located at the outside of slurry pipeline and is connected with high-pressure water, the end of high-pressure water pipeline offers hydraulic spray, and hydraulic spray is located at the inside of slurry nozzle.In the use of the present invention, the slurry in high pressure water flow and slurry nozzle in hydraulic spray collides, slurry atomization is dripped at tiny slurry, is sprayed through slurry nozzle.The problems such as design structure of the present invention is simple, flow adjustment range is big, anti-blocking performance is excellent, is particularly suitable for high pressure and ultra-high voltage environment, is able to solve excessively high feeding device local temperature in the water technology of conventional supercritical fluid, feed inlet blocking.
Description
Technical field
The invention belongs to supercritical water gasification technical field, in particular to a kind of two-fluid spray nozzle based on high pressure water.
Background technique
Supercritical water gasification technology is a kind of clean energy technology being concerned in recent years.It is super to face compared to normal-temperature water
Boundary's water has the superior properties such as polarity is low, high to the solubility of organic matter, viscosity is small, transport capability is strong, so that organic solid is former
Material can the fast reaction in supercritical water environment, generate the clean energy resourcies such as hydrogen.Abundant experimental results also confirm overcritical
Good gasification result may be implemented in water technology.
But supercritical water gasification technology related invention or research are focused only in gasification reactor apparatus at present, for organic
Feeding manner and the feeding device research of solid material are less, and special supercritical water nozzle is even more very few, nearly all
The feeding device of supercritical water gasification technology be simple pipeline structure, in addition the transport velocity of material is lower under high pressure,
It is difficult to realize organic solid raw material and the efficient of supercritical water is sufficiently mixed, there are local temperatures, and excessively high, feed inlet blocking etc. is asked
Topic, is unfavorable for the continuous operation steady in a long-term of supercritical water gasification furnace.
Summary of the invention
The purpose of the present invention is to provide a kind of two-fluid spray nozzle based on high pressure water, the nozzle arrangements are simple, flow tune
Adjusting range is big, anti-blocking performance is excellent, be able to solve feeding device local temperature in the water technology of conventional supercritical fluid it is excessively high, charging
The problems such as mouth blocking.
In order to achieve the above objectives, the technical solution adopted by the present invention are as follows:
A kind of two-fluid spray nozzle based on high pressure water, including high-pressure water pipeline and slurry pipeline, slurry pipeline coaxial package
In the outside of high-pressure water pipeline, the inner space of high-pressure water pipeline is the flowing space of high pressure water, slurry pipeline and high-pressure water pipe
The space surrounded between road is the flowing space of slurry, and slurry pipeline is connected with slurry import, and the end of slurry pipeline opens up
There is slurry nozzle, the forward end seal of slurry pipeline is fixed on high-pressure water pipeline, and the front end of high-pressure water pipeline is located at slurry pipeline
Outside and be connected with high-pressure water, the end of high-pressure water pipeline offers hydraulic spray, and hydraulic spray is located at slurry
The inside of nozzle.
The high-pressure water pipeline is capillary pipe structure.
The hydraulic spray is set as throat structure.
It is provided between the front end and high-pressure water of the high-pressure water pipeline for realizing the water of high pressure water interrupted injection
Flow control device.
The slurry import is positioned close to the position of slurry pipeline front end.
It further include being arranged in outside slurry pipeline to carry out slurry pipeline cooling cooling water pipe for being passed through cooling water
Road.
The isolated tube for preventing cooling water from short circuit occurs is equipped in the cooling water pipeline.
The isolated tube coaxial package is in the outside of slurry pipeline, and cooling water pipeline coaxial package is in the outer of isolated tube
The forward end seal in portion, isolated tube is fixed on slurry pipeline, the end of isolated tube be opening free end, the end of isolated tube with
There are the gap that can allow for cooling water to circulate between the end of cooling water pipeline, the end seal of cooling water pipeline is fixed on slurry
On pipe material, the forward end seal of cooling water pipeline is fixed on isolated tube, and isolated tube is connected with cooling water inlet, cooling water
Pipeline is connected with cooling water outlet.
The cooling water inlet is positioned close to the position of isolated tube front end, and cooling water outlet is positioned close to cooling water
The position of pipeline front end.
Compared with the existing technology, the beneficial effects of the present invention are:
Two-fluid spray nozzle provided by the invention based on high pressure water, including high-pressure water pipeline and slurry pipeline, slurry pipeline
For coaxial package in the outside of high-pressure water pipeline, the inner space of high-pressure water pipeline is the flowing space of high pressure water, slurry pipeline with
The space surrounded between high-pressure water pipeline is the flowing space of slurry, and the end of slurry pipeline offers slurry nozzle, high pressure water
The end of pipeline offers hydraulic spray, and hydraulic spray is located at the inside of slurry nozzle.The present invention in use,
High pressure water flow in high-pressure water pipeline touches in slurry nozzle after hydraulic spray ejection with the slurry in slurry pipeline
It hits, slurry is crushed under the shock and shear action of high pressure water flow, is atomized into tiny slurry drop, then quickly sprays through slurry nozzle
Out, it enters in supercritical water environment.Tiny slurry drop can be brought rapidly up reaction in supercritical water environment, avoid because of slurry
Flow velocity and heating rate cause slowly slurry occur side reaction situations such as and plug nozzle.High pressure water flow in high-pressure water pipeline simultaneously
Hydraulic spray can be cooled down, prevent high pressure water jets mouth structure by high temperature.The present invention simple, flow with structure
The advantages that adjustable range is big, liquid medium applicability is good, anti-blocking performance is excellent, corrosion-and high-temp-resistant, high operating pressure, it is especially suitable
High pressure and ultra-high voltage environment, such as supercritical water gasification furnace are closed, feeding device in the water technology of conventional supercritical fluid is able to solve
The problems such as local temperature is excessively high, feed inlet blocks.Compared to the feeding device of existing supercritical water gasification furnace, the present invention is provided
The two-fluid spray nozzle based on high pressure water, shock and shear action because of high pressure water flow to slurry, can make slurry drip and supercritical water
Phenomena such as environment is more fully mixed, and is heated up and is reacted rapider, avoids spray nozzle clogging and feed inlet localized hyperthermia；It compares
Since atomizing medium is high pressure water, compressibility very little, therefore the present invention in traditional high-pressure gasified furnace atomizer, the present invention
Two-fluid spray nozzle do not need complicated compressibility, compression wasted work is very low, while being also easy to be used cooperatively with other techniques, subtracts
The waste of the few energy and resource.
Further, in the two-fluid spray nozzle provided by the invention based on high pressure water, high-pressure water pipeline uses capillary knot
Structure and hydraulic spray use throat structure, advantageously ensure that high pressure water flow muzzle velocity.The front end of high-pressure water pipeline can
Flow control apparatus for water is connected, to realize the interrupted injection of high pressure water.
Further, in the two-fluid spray nozzle provided by the invention based on high pressure water, be additionally provided with cooling water pipeline and every
From pipe.Wherein cooling water inlet is connected with isolated tube, and cooling water outlet is connected with cooling water pipeline, and cooling water is from isolated tube
Front end enter after isolated tube the end for flowing to isolated tube, subsequently into the end of cooling water pipeline, then from cooling water pipeline
Front end outflow.Therefore cooling water can directly cool down slurry pipeline and slurry nozzle, be conducive to protect nozzle arrangements, extend spray
The service life of mouth.The isolated tube of setting can prevent cooling water from short circuit occurs, and guarantee the cold of hydraulic spray and slurry nozzle
But effect improves the service life of two nozzles.Between cooling water inlet and isolated tube and cooling water outlet and cooling water pipe
It is to be threadedly coupled between road, it is convenient for installation and maintenance.
Detailed description of the invention
The present invention is explained in detail in order to become apparent from, and attached drawing of the invention will be briefly described below.
Fig. 1 is the structural schematic diagram of the two-fluid spray nozzle provided by the invention based on high pressure water.
Appended drawing reference: 1- high-pressure water pipeline, 2- slurry pipeline, 3- isolated tube, 4- cooling water pipeline, 5- cooling water outlet,
6- slurry nozzle, 7- hydraulic spray, 8- cooling water inlet, 9- slurry import.
Specific embodiment
Below in conjunction with attached drawing, further details of the technical solution of the present invention.
Referring to Fig. 1, the two-fluid spray nozzle provided by the invention based on high pressure water, including high-pressure water pipeline 1, slurry pipeline 2,
Isolated tube 3 and cooling water pipeline 4, wherein high-pressure water pipeline 1 is capillary pipe structure, and 2 coaxial package of slurry pipeline is in high-pressure water pipe
The outside in road 1, the inner space of high-pressure water pipeline 1 is the flowing space of high pressure water, between slurry pipeline 2 and high-pressure water pipeline 1
The space surrounded is the flowing space of slurry.Slurry import 9 is positioned close on the position of 2 front end of slurry pipeline and and slurry pipe
Road 2 is connected.The end of slurry pipeline 2 offers slurry nozzle 6, and the forward end seal of slurry pipeline 2 is welded on high-pressure water pipeline 1
Leading portion on, the front end of high-pressure water pipeline 1 is located at the outside of slurry pipeline 2 and is connected with high-pressure water, and high-pressure water pipeline 1
It is provided between front end and high-pressure water for realizing the flow control apparatus for water of high pressure water interrupted injection, the end of high-pressure water pipeline 1
End offers the hydraulic spray 7 of throat structure, and hydraulic spray 7 is located at the inside of slurry nozzle 6,7 He of hydraulic spray
Slurry nozzle 6 is made of high temperature high voltage resistant alloy material.3 coaxial package of isolated tube is in the outside of slurry pipeline 2, cooling water pipe
4 coaxial package of road is welded on the leading portion of slurry pipeline 2 in the outside of isolated tube 3, the forward end seal of isolated tube 3, isolated tube 3
End is the free end of opening, and there are can allow for cooling water to circulate between the end of isolated tube 3 and the end of cooling water pipeline 4
Gap, the end seal of cooling water pipeline 4 is welded on the end of slurry pipeline 2, and the forward end seal of cooling water pipeline 4 is welded on
On the leading portion of isolated tube 3, cooling water inlet 8 is positioned close to be connected on the position of 3 front end of isolated tube and with isolated tube 3, cold
But water out 5 is positioned close to be connected on the position of 4 front end of cooling water pipeline and with cooling water pipeline 4, and cooling water inlet 8
It is to be threadedly coupled between isolated tube 3 and between cooling water outlet 5 and cooling water pipeline 4.
The working principle of two-fluid spray nozzle provided by the invention based on high pressure water is as follows: since high-pressure water pipeline 1 uses
Capillary pipe structure, the high pressure water flow in high-pressure water pipeline 1 collide in slurry nozzle 6 with the slurry in slurry pipeline 2, starch
Material is crushed under the shock and shear action of high pressure water flow, is atomized into tiny slurry drop, is quickly sprayed, is entered through slurry nozzle 6
Into supercritical water environment.Tiny slurry drop can be brought rapidly up reaction in supercritical water environment, avoid because of flow rate of slurry and liter
The warm slow plug nozzle of speed.
Compared to the feeding device of existing supercritical water gasification furnace, the two-fluid spray provided by the invention based on high pressure water
Mouth, shock and shear action because of high pressure water flow to slurry, can make slurry drop be more fully mixed with supercritical water environment, heating with
Phenomena such as reacting rapider, avoiding spray nozzle clogging and feed inlet localized hyperthermia；It is atomized compared to traditional high-pressure gasified furnace
Nozzle, since atomizing medium is high pressure water, compressibility very little, therefore two-fluid spray nozzle of the invention does not need complexity in the present invention
Compressibility, compression wasted work it is very low, while also be easy be used cooperatively with other techniques, reduction the energy and resource waste.
In the description of the present invention unless specifically defined or limited otherwise, term " high pressure water flow " is either continuous
Formula high pressure water flow is also possible to intermittent high pressure water flow, by being arranged between 1 front end of high-pressure water pipeline and high-pressure water
Flow control apparatus for water, can be realized and control the interrupted injection of high pressure water, and can be realized high pressure water and continuously spray and spray with interval
The switching penetrated；Term " connected ", " connection " shall be understood in a broad sense, and can be and are detachably connected or are integrally connected, are also possible to
Electrical connection or mechanical connection etc.；Term " sealing " also shall be understood in a broad sense, and can be seal with screwed joint, welded seal and pressure
Sealing etc..For a person skilled in the art, the tool of above-mentioned term in the present invention can be understood according to concrete condition
Body meaning.
What embodiments above was intended merely to be more clearly understood illustrates the purpose of the present invention, technical characterstic and beneficial to effect
Fruit, it should be understood that above embodiments do not limit application range of the invention.It is all the spirit and principles in the present invention range it
Interior, any same substitutions and modifications done should be all included within scope of the presently claimed invention.
Claims (6)
1. a kind of two-fluid spray nozzle based on high pressure water, it is characterised in that: including high-pressure water pipeline (1) and slurry pipeline (2), institute
The high-pressure water pipeline (1) stated is capillary pipe structure, outside of slurry pipeline (2) coaxial package in high-pressure water pipeline (1), high pressure water
The inner space of pipeline (1) is the flowing space of high pressure water, the space surrounded between slurry pipeline (2) and high-pressure water pipeline (1)
For the flowing space of slurry, slurry pipeline (2) is connected with slurry import (9), and the end of slurry pipeline (2) offers pulp spraying
Mouth (6), the forward end seal of slurry pipeline (2) are fixed on high-pressure water pipeline (1), and the front end of high-pressure water pipeline (1) is located at slurry
The outside of pipeline (2) is simultaneously connected with high-pressure water, and the end of high-pressure water pipeline (1) offers hydraulic spray (7), and high pressure water
Nozzle (7) is located at the inside of slurry nozzle (6), is provided in the outside of slurry pipeline (2) for being passed through cooling water to slurry pipe
Road (2) carries out cooling cooling water pipeline (4), is equipped in the cooling water pipeline (4) for preventing cooling water from short circuit occurs
Isolated tube (3).
2. the two-fluid spray nozzle according to claim 1 based on high pressure water, it is characterised in that: the hydraulic spray
(7) it is set as throat structure.
3. the two-fluid spray nozzle according to claim 1 based on high pressure water, it is characterised in that: the high-pressure water pipeline
(1) it is provided between front end and high-pressure water for realizing the flow control apparatus for water of high pressure water interrupted injection.
4. the two-fluid spray nozzle according to claim 1 based on high pressure water, it is characterised in that: the slurry import (9)
It is positioned close to the position of slurry pipeline (2) front end.
5. the two-fluid spray nozzle according to claim 1 based on high pressure water, it is characterised in that: the isolated tube (3) is same
Axle sleeve is mounted in the outside of slurry pipeline (2), cooling water pipeline (4) coaxial package in the outside of isolated tube (3), isolated tube (3)
Forward end seal is fixed on slurry pipeline (2), the end of isolated tube (3) be opening free end, the end of isolated tube (3) with it is cold
But there are the gap that can allow for cooling water to circulate between the end of waterpipe (4), the end seal of cooling water pipeline (4) is fixed
On slurry pipeline (2), the forward end seal of cooling water pipeline (4) is fixed on isolated tube (3), and isolated tube (3) and cooling water
Import (8) is connected, and cooling water pipeline (4) is connected with cooling water outlet (5).
6. the two-fluid spray nozzle according to claim 5 based on high pressure water, it is characterised in that: the cooling water inlet
(8) it is positioned close to the position of isolated tube (3) front end, cooling water outlet (5) is positioned close to the position of cooling water pipeline (4) front end
It sets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610570315.9A CN106040467B (en) | 2016-07-19 | 2016-07-19 | A kind of two-fluid spray nozzle based on high pressure water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610570315.9A CN106040467B (en) | 2016-07-19 | 2016-07-19 | A kind of two-fluid spray nozzle based on high pressure water |
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| Publication Number | Publication Date |
|---|---|
| CN106040467A CN106040467A (en) | 2016-10-26 |
| CN106040467B true CN106040467B (en) | 2019-01-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610570315.9A Active CN106040467B (en) | 2016-07-19 | 2016-07-19 | A kind of two-fluid spray nozzle based on high pressure water |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107453507B (en) * | 2017-06-28 | 2019-12-31 | 中国科学院电工研究所 | Oil nozzle structure for oil-cooled motor and cooling method |
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| US4646968A (en) * | 1985-04-17 | 1987-03-03 | The Dow Chemical Company | Prilling apparatus |
| CN87102818A (en) * | 1986-03-13 | 1987-11-11 | 陶氏化学公司 | Nozzle |
| EP0844020A2 (en) * | 1996-11-22 | 1998-05-27 | Nakamichi Yamasaki | Method for spraying material particles in continous hydrothermal reaction and apparatus therefor |
| CN2764486Y (en) * | 2005-03-11 | 2006-03-15 | 中国人民解放军第二军医大学 | Assemblable atomization sprayer for preparing particle from supercritical fluid |
| CN201082886Y (en) * | 2007-09-07 | 2008-07-09 | 武汉亿胜科技有限公司 | Atomization spraying gun |
| CN201172653Y (en) * | 2007-11-23 | 2008-12-31 | 山东科技大学 | Direct freezing type coal water slurry gasification nozzle with expanding segment |
| CN204644302U (en) * | 2015-04-28 | 2015-09-16 | 中国华电集团科学技术研究总院有限公司 | A kind of two channels water-coal-slurry atomizing nozzle |
-
2016
- 2016-07-19 CN CN201610570315.9A patent/CN106040467B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4646968A (en) * | 1985-04-17 | 1987-03-03 | The Dow Chemical Company | Prilling apparatus |
| CN87102818A (en) * | 1986-03-13 | 1987-11-11 | 陶氏化学公司 | Nozzle |
| EP0844020A2 (en) * | 1996-11-22 | 1998-05-27 | Nakamichi Yamasaki | Method for spraying material particles in continous hydrothermal reaction and apparatus therefor |
| CN2764486Y (en) * | 2005-03-11 | 2006-03-15 | 中国人民解放军第二军医大学 | Assemblable atomization sprayer for preparing particle from supercritical fluid |
| CN201082886Y (en) * | 2007-09-07 | 2008-07-09 | 武汉亿胜科技有限公司 | Atomization spraying gun |
| CN201172653Y (en) * | 2007-11-23 | 2008-12-31 | 山东科技大学 | Direct freezing type coal water slurry gasification nozzle with expanding segment |
| CN204644302U (en) * | 2015-04-28 | 2015-09-16 | 中国华电集团科学技术研究总院有限公司 | A kind of two channels water-coal-slurry atomizing nozzle |
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| Publication number | Publication date |
|---|---|
| CN106040467A (en) | 2016-10-26 |
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Effective date of registration: 20180410 Address after: 710018 Xi'an, Xi'an economic and Technological Development Zone, No. 1, No. 1, Fengcheng, No. 1, room 3, room 311, room 311 Applicant after: Shaanxi Jiaotong University Super Nuclear Energy Technology Co. Ltd Address before: Beilin District Xianning West Road 710049, Shaanxi city of Xi'an province No. 28 Applicant before: Xi'an Jiaotong University |
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