CN102824864B - Vaporization mixing unit - Google Patents
Vaporization mixing unit Download PDFInfo
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- CN102824864B CN102824864B CN201110160920.6A CN201110160920A CN102824864B CN 102824864 B CN102824864 B CN 102824864B CN 201110160920 A CN201110160920 A CN 201110160920A CN 102824864 B CN102824864 B CN 102824864B
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Abstract
A vaporization mixing unit comprises a cylindrical vaporizer and a liquid inlet pipe, a gas carrying pipe and an exit pipe which are arranged on the vaporizer. An orifice of the gas carrying pipe is close to and opposite to an orifice of the liquid inlet pipe, and the orifice of the gas carrying pipe is close to the inner wall of the vaporizer. As the orifice of the gas carrying pipe of the above vaporization mixing unit is close to and opposite to the orifice of the liquid inlet pipe, and the orifice of the gas carrying pipe is close to the inner wall of the vaporizer, a gas sprayed out from the gas carrying pipe can contact with a vaporized substance sprayed into the liquid inlet pipe at the first time, and the gas sprayed out from the gas carrying pipe flows along an arc-shaped tube wall of the vaporizer such that the gas and the vaporized substance sprayed into the liquid inlet pipe together form a rotary eddy current and uniform mixing of the gas and the vaporized substance is accelerated.
Description
[technical field]
The present invention relates to float glass field, especially relate to the vaporization mixing device that the online CVD of a kind of float glass process produces the float line of coated glass.
[background technology]
On-line coating film of float glass, floatation glass production line realizes.Different according to the raw-material state of plated film used, on-line coating technology can be divided into gaseous state coating technique, liquid coating technique and solid-state coating technique.Gaseous state coating technique can carry out low-emission coated and production that is solar control coated glass product.Low-emission coated online, also known as online low-E plated film, refer on float line, i.e. the ribbon surfaces deposit multilayer doping of the heat of movement or the rete technology of unadulterated metal oxide or metallic compound.The wherein solar control coated glass of gaseous state, mainly refers to gaseous silane the coated glass of the metallic diaphragm being primary raw material.
Traditional filming equipment provides a controlled atmosphere cell at tin bath outlet place, the little indoor of controlled atmosphere are provided with vaporization mixing device, by silane, containing oxygen source, the admixture of gas of ethene composition take inert gas as carrier, high speed deposition forms screen layer at float glass belt surface, then will containing Xi Yuan, antimony source, fluorine source, phosphorus source and catalyst, oxidant and stabilizing agent and the proplastid admixture of gas be mixed, with nitrogen as carrier, to carry out pyrolysis at a high speed, the glass tape being coated with screen layer is formed the certain thickness rete with low radiance.
But, traditional coating process process precursor as: the gasification mixing apparatus in Xi Yuan, antimony source, fluorine source, phosphorus source etc. often adopts the mode of bubbling or press atomization, aforesaid way presoma in the transmitting procedure with carrier gas due to the impact of the stability that is under pressure, easily cause mixed effect poor, the uniformity of various gas is not high.
[summary of the invention]
Based on this, be necessary to provide a kind of mixed effect good vaporization mixing device.
A kind of vaporization mixing device, comprises columniform vaporizer and is located at feed tube, carrier gas pipe and the escape pipe on this vaporizer, and the mouth of pipe of this carrier gas pipe is close and relative with the mouth of pipe of this feed tube, and the mouth of pipe of this carrier gas pipe is near the inwall of this vaporizer.
In a preferred embodiment, this vaporizer comprises the contact site contacted with the gas sprayed from this year tracheal strips, and the axis being parallel of this carrier gas pipe is positioned at the tangent line of this contact site in the cross section of this vaporizer circle.
In a preferred embodiment, the axis of this carrier gas pipe and the axis antarafacial of this vaporizer vertical.
In a preferred embodiment, if the distance between the axis of the axis of this carrier gas pipe and this columniform vaporizer is D, the internal diameter of this vaporizer is R, then: 0.86R≤D < R.
In a preferred embodiment, the axis of this feed tube passes the center of circle of the cross section circle of this vaporizer, and the axis of this carrier gas pipe and the axis angulation of this feed tube are 55 ° ~ 65 °.
In a preferred embodiment, if the mouth of pipe of this feed tube is L to the distance in the center of circle of the cross section circle of this vaporizer, the internal diameter of this vaporizer is R, then: 0.91R≤L≤R.
In a preferred embodiment, the axis being parallel of the axis of this escape pipe and this carrier gas pipe, the axis of this escape pipe is vertical with the axes intersect of this vaporizer.
In a preferred embodiment, if the projector distance of axis on the axis of this vaporizer of the axis of this escape pipe and this carrier gas pipe is S, then:
and S≤2R; Wherein, Q is the flow of carrier gas pipe, and r is the internal diameter of carrier gas pipe, and R is the internal diameter of vaporizer.
In a preferred embodiment, this vaporizer comprises inner chamber and is sheathed on the overcoat of this inner chamber, forms the container cavity holding steam between this inner chamber and this overcoat, and this is outer puts the steam inlet duct and steam waste pipe that are provided with and communicate with this container cavity.
In a preferred embodiment, the observation ward being located at this vaporizer one end is also comprised.
The mouth of pipe of the carrier gas pipe of above-mentioned vaporization mixing device is close and relative with the mouth of pipe of this feed tube, and the mouth of pipe of carrier gas pipe is near the inwall of this vaporizer, therefore the gas of carrier gas pipe ejection can contact with the vaporizer that feed tube sprays into the very first time, and the tube wall from year gas of tracheal strips ejection along the circular arc of vaporizer is flowed, thus together with the vaporizer sprayed into feed tube, form the eddy current of rotation, accelerate the Homogeneous phase mixing between gas and vaporizer.
[accompanying drawing explanation]
By the more specifically explanation of the preferred embodiments of the present invention shown in accompanying drawing, above-mentioned and other object of the present invention, Characteristics and advantages will be more clear.Reference numeral identical in whole accompanying drawing indicates identical part.Deliberately do not draw accompanying drawing by actual size equal proportion convergent-divergent, focus on purport of the present invention is shown.
Fig. 1 is the top view of the vaporization mixing device of an embodiment;
Fig. 2 is the sectional view along A-A line in Fig. 1;
Fig. 3 is the sectional view along B-B line in Fig. 1.
[detailed description of the invention]
For enabling above-mentioned purpose of the present invention, feature and advantage become apparent more, are described in detail the specific embodiment of the present invention below in conjunction with accompanying drawing.Set forth a lot of detail in the following description so that fully understand the present invention.But the present invention can be much different from alternate manner described here to implement, those skilled in the art can when without prejudice to doing similar improvement when intension of the present invention, therefore the present invention is by the restriction of following public concrete enforcement.
Secondly, the present invention utilizes schematic diagram to be described in detail, when describing the embodiment of the present invention in detail; for ease of explanation; represent that the profile of device architecture can be disobeyed general ratio and be made partial enlargement, and described schematic diagram is example, it should not limit the scope of protection of the invention at this.In addition, the three-dimensional space of length, width and the degree of depth should be comprised in actual fabrication.
Please refer to Fig. 1 and Fig. 2, the vaporization mixing device 100 of an embodiment comprises vaporizer 10, pedestal 20 and observation ward 30.Vaporizer 10 is roughly cylindrical, and pedestal 20 is located at the bottom of vaporizer 10, for supporting vaporizer 10.Observation ward 30 is located at one end of vaporizer 10, for observing the situation such as liquid level in vaporizer 10.
Vaporizer 10 horizontal positioned, comprises the overcoat 12 being roughly columniform inner chamber 11 and being sheathed on inner chamber 11.Container cavity 111 is formed between inner chamber 11 and overcoat 12.The top of overcoat 12 is provided with steam inlet duct 121; The bottom of overcoat 12 is provided with steam waste pipe 122.Steam inlet duct 121 and steam waste pipe 122 all communicate with container cavity 111.Steam can enter container cavity 111 from steam inlet duct 121, then discharges from steam waste pipe 122, and heating bore 11 or inner chamber 11 is kept higher temperature in the process.In order to monitor the temperature of gas in vaporizer 10, the top of vaporizer 10 is also provided with the thermocouple interface 123 stretching into inner chamber 11.
See also Fig. 3, vaporizer 10 is also provided with feed tube 40, carrier gas pipe 50 and escape pipe 60.
Feed tube 40 is located at the position of the close below of vaporizer 10.The axis of feed tube 40 passes the axes O of vaporizer 10, and forms the angle of 55 ° ~ 65 ° with vertical direction, is preferably 60 °.The position that feed tube 40 stretches into inner chamber 11 is shorter, flows out to quickly bottom inner chamber 11 to enable vaporizer.Preferably, if the mouth of pipe of feed tube is L to the distance in the center of circle of the cross section circle of vaporizer 10, the internal diameter of vaporizer is R, then: 0.91R≤L≤R.
The position of vaporizer 10 near a lateral edges be located at by carrier gas pipe 50, and vertically extend, and namely the axis 52 of carrier gas pipe 50 is vertical with the axes O of vaporizer 10.Carrier gas pipe 50 comprises the mouth of pipe 51 of wedge shape.The mouth of pipe 51 is near the inwall of inner chamber 11, and its edge tilts towards the direction away from the inwall of inner chamber 11.The mouth of pipe 51 of the carrier gas pipe 50 of the mouth of pipe 51 is close and relative with the mouth of pipe of feed tube 40, and the gas that therefore carrier gas pipe 50 sprays can contact with the vaporizer that feed tube 40 sprays into the very first time.Inner chamber 11 comprises the contact site 112 contacted with the gas sprayed in carrier gas pipe 50.The axis 52 of carrier gas pipe 50 is parallel to the round tangent line being positioned at contact site 112 in cross section of inner chamber 11.Preferably, if the distance between the axis 52 of carrier gas pipe and the axes O of vaporizer 10 is D, the internal diameter of inner chamber 11 is R, then: 0.86R≤D < R.Such design can make the gas of ejection in carrier gas pipe 50 flow along the tube wall of the circular arc of inner chamber 11, thus forms the eddy current of rotation as shown in Figure 3 together with the vaporizer sprayed into feed tube 40, the Homogeneous phase mixing between acceleration gas and vaporizer.
Escape pipe 60 is located at directly over vaporizer 10, and vertically extends, namely parallel with carrier gas pipe 50.The axes normal of escape pipe 60 passes the axes O of vaporizer 10.Distance between escape pipe 60 and carrier gas pipe 50 outbalance in the design, if too short, then gas does not also mix just outflow from escape pipe 60 completely; If oversize, add equipment size first, second cause gas and vapor permeation overlong time that unnecessary reaction occurs.Therefore, according to centrifugal mechanics and fluid mechanics principle, carrier gas is utilized to carry out effective well-mixed object in vaporizer after liquid chemical vaporization for reaching, consider that vaporizer and pipeline dependency structure size and fluid parameter calculate, after hydrodynamic simulation simulated experiment checking, obtain following parameters relationship: the projector distance of axis 52 in the axes O of vaporizer 10 of the axis 61 and carrier gas pipe 50 that set out tracheae 60 is S, then:
Wherein, Q is the flow of carrier gas pipe 50, and r is the internal diameter of carrier gas pipe 50, and g is acceleration of gravity, and R is the internal diameter of vaporizer 10.
Observation ward 30 comprises the first tube connector 31, clip 32, second tube connector 33, first seal 34, windowpane 35 and enclosing cover 36.
First tube connector 31 is located at one end of vaporizer 10, and the second tube connector 33 is connected by clip 32 with the first tube connector 31.First seal 34 is made up of the material of corrosion-and high-temp-resistant, and it is located at the position that the second tube connector 33 contacts with the first tube connector 31.The end of the second tube connector 33 is located at by windowpane 35, and windowpane 35 and the second tube connector 33 are fixed by screw by enclosing cover 36.Preferably, the second seal 37 is also provided with between windowpane 35 and enclosing cover 36.Second seal 37 is identical with the material of the first seal 34.
Be appreciated that observation ward 30 also can omit.Vaporizer 10 can adopt other modes to heat, such as resistance wire etc.
The above embodiment only have expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (8)
1. a vaporization mixing device, the feed tube comprising columniform vaporizer and be located on this vaporizer, carrier gas pipe and escape pipe, it is characterized in that: this feed tube is located at the position of the close below of this vaporizer, the position of this vaporizer near a lateral edges be located at by this carrier gas pipe, this vaporizer is positioned at the top of the position of the close below of this vaporizer near the position of a lateral edges, the mouth of pipe of this carrier gas pipe is close and relative with the mouth of pipe of this feed tube, and the mouth of pipe of this carrier gas pipe is near the inwall of this vaporizer, and the edge of the mouth of pipe of this carrier gas pipe tilts towards the direction away from the inwall of this vaporizer,
This vaporizer comprises the contact site contacted with the gas sprayed from this year tracheal strips, and the axis being parallel of this carrier gas pipe is positioned at the tangent line of this contact site in the cross section of this vaporizer circle;
The axis of this feed tube passes the center of circle of the cross section circle of this vaporizer, and the axis of this carrier gas pipe and the axis angulation of this feed tube are 55 ° ~ 65 °.
2. vaporization mixing device according to claim 1, is characterized in that: the axis of this carrier gas pipe is vertical with the axis antarafacial of this vaporizer.
3. vaporization mixing device according to claim 2, is characterized in that: the distance between the axis setting the axis of this carrier gas pipe and this columniform vaporizer is as D, and the internal diameter of this vaporizer is R, then:
0.86R≤D<R。
4. vaporization mixing device according to claim 1, is characterized in that: set the mouth of pipe of this feed tube to the distance in the center of circle of the cross section circle of this vaporizer as L, the internal diameter of this vaporizer is R, then:
0.91R≤L≤R。
5. vaporization mixing device according to claim 2, is characterized in that: the axis being parallel of the axis of this escape pipe and this carrier gas pipe, and the axis of this escape pipe is vertical with the axes intersect of this vaporizer.
6. vaporization mixing device according to claim 5, is characterized in that: set the projector distance of the axis of the axis of this escape pipe and this carrier gas pipe on the axis of this vaporizer as S, then:
Wherein, Q is the flow of carrier gas pipe, and r is the internal diameter of carrier gas pipe, and R is the internal diameter of vaporizer.
7. vaporization mixing device according to claim 1, it is characterized in that: this vaporizer comprises inner chamber and is sheathed on the overcoat of this inner chamber, form the container cavity holding steam between this inner chamber and this overcoat, this is outer puts the steam inlet duct and steam waste pipe that are provided with and communicate with this container cavity.
8. vaporization mixing device according to claim 1, is characterized in that: also comprise the observation ward being located at this vaporizer one end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110160920.6A CN102824864B (en) | 2011-06-15 | 2011-06-15 | Vaporization mixing unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110160920.6A CN102824864B (en) | 2011-06-15 | 2011-06-15 | Vaporization mixing unit |
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| CN102824864A CN102824864A (en) | 2012-12-19 |
| CN102824864B true CN102824864B (en) | 2015-03-11 |
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| CN201110160920.6A Active CN102824864B (en) | 2011-06-15 | 2011-06-15 | Vaporization mixing unit |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108975724B (en) * | 2018-08-23 | 2024-08-23 | 福莱特玻璃集团股份有限公司 | Horizontal evaporation device for online coated glass production |
| CN112387240B (en) * | 2019-08-12 | 2022-07-12 | 中国石油化工股份有限公司 | Vaporization mixer and pilot plant |
| CN114345184A (en) * | 2022-01-17 | 2022-04-15 | 河南派莫机械设备有限公司 | Airflow stirring device for fibers and using method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3970037A (en) * | 1972-12-15 | 1976-07-20 | Ppg Industries, Inc. | Coating composition vaporizer |
| CN1051899A (en) * | 1989-10-17 | 1991-06-05 | 利比-欧文斯-福特公司 | The preparation method who is used for chemical vapor deposited vaporized reactants |
| CN2293377Y (en) * | 1997-05-30 | 1998-10-07 | 萧金芝 | Gas & liquid mixer |
| CN201441894U (en) * | 2009-07-14 | 2010-04-28 | 中国日用五金技术开发中心 | Continuous and accurate low-pressure gas mixing device |
| CN202122915U (en) * | 2011-06-15 | 2012-01-25 | 中国南玻集团股份有限公司 | Vaporization mixing device |
-
2011
- 2011-06-15 CN CN201110160920.6A patent/CN102824864B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3970037A (en) * | 1972-12-15 | 1976-07-20 | Ppg Industries, Inc. | Coating composition vaporizer |
| CN1051899A (en) * | 1989-10-17 | 1991-06-05 | 利比-欧文斯-福特公司 | The preparation method who is used for chemical vapor deposited vaporized reactants |
| CN2293377Y (en) * | 1997-05-30 | 1998-10-07 | 萧金芝 | Gas & liquid mixer |
| CN201441894U (en) * | 2009-07-14 | 2010-04-28 | 中国日用五金技术开发中心 | Continuous and accurate low-pressure gas mixing device |
| CN202122915U (en) * | 2011-06-15 | 2012-01-25 | 中国南玻集团股份有限公司 | Vaporization mixing device |
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| CN102824864A (en) | 2012-12-19 |
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