CN220707870U - Suction type cooling bellows - Google Patents
Suction type cooling bellows Download PDFInfo
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- CN220707870U CN220707870U CN202322419329.9U CN202322419329U CN220707870U CN 220707870 U CN220707870 U CN 220707870U CN 202322419329 U CN202322419329 U CN 202322419329U CN 220707870 U CN220707870 U CN 220707870U
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- cooling
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- 238000001816 cooling Methods 0.000 title claims abstract description 165
- 239000000463 material Substances 0.000 claims abstract description 103
- 230000000712 assembly Effects 0.000 claims abstract description 35
- 238000000429 assembly Methods 0.000 claims abstract description 35
- 238000002347 injection Methods 0.000 claims abstract description 30
- 239000007924 injection Substances 0.000 claims abstract description 30
- 239000003507 refrigerant Substances 0.000 claims abstract description 25
- 239000012774 insulation material Substances 0.000 claims description 9
- 239000011810 insulating material Substances 0.000 claims 1
- 238000000605 extraction Methods 0.000 abstract description 6
- 239000007789 gas Substances 0.000 description 39
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 18
- 239000000112 cooling gas Substances 0.000 description 14
- 238000012423 maintenance Methods 0.000 description 14
- 230000000694 effects Effects 0.000 description 12
- 239000010410 layer Substances 0.000 description 10
- 238000013461 design Methods 0.000 description 9
- 229910052757 nitrogen Inorganic materials 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 238000011049 filling Methods 0.000 description 6
- 238000009434 installation Methods 0.000 description 6
- 238000009413 insulation Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 230000007547 defect Effects 0.000 description 4
- 238000002955 isolation Methods 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 206010003497 Asphyxia Diseases 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 2
- 239000004964 aerogel Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 239000002826 coolant Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000007747 plating Methods 0.000 description 2
- 239000002861 polymer material Substances 0.000 description 2
- 239000011241 protective layer Substances 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 230000003064 anti-oxidating effect Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005246 galvanizing Methods 0.000 description 1
- 238000007602 hot air drying Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- -1 zinc-aluminum-magnesium Chemical compound 0.000 description 1
Abstract
The utility model discloses an extraction cooling bellows, comprising: the right suction bellows body and the left suction bellows body are respectively arranged at two sides of the belt material; the right air injection assemblies and the right air suction assemblies are arranged on the side wall of the right suction bellows body, which corresponds to the belt material, from top to bottom, and are alternately arranged up and down; the left air injection assemblies and the left air suction assemblies are arranged on the side wall of the left suction bellows body, which corresponds to the belt material, from top to bottom, and are alternately arranged up and down; the right refrigerant supply pipeline and the right hot gas discharge pipeline are arranged in the right suction bellows body and are respectively communicated with the right air injection assembly and the right air suction assembly; the left refrigerant supply pipeline and the left hot gas discharge pipeline are arranged in the left suction bellows body and are respectively communicated with the left air injection assembly and the left air suction assembly.
Description
Technical Field
The utility model relates to the technical field of cooling equipment for surface materials, in particular to a suction type cooling air box.
Background
The cooling of the belt surface material generally uses a cooling bellows, the nozzle uses a slit type or a jet pipe type, the sprayed cooling gas acts on the surface of the belt surface material for cooling, the cooled hot gas flow escapes along with the pressure of the subsequent cooling gas flow, but the cooled high-temperature gas flow can flow back to an inlet of the cooling gas, and the temperature of the cooling gas flow is increased along with the mixing of the cooling air and the hot gas flow, so that the cooling effect is reduced.
Disclosure of Invention
In view of the above technical problems, the present utility model provides an extraction-type cooling windbox.
In order to achieve the above purpose, the technical scheme of the utility model is as follows:
an extraction cooling windbox comprising:
the right suction bellows body and the left suction bellows body are respectively arranged at two sides of the belt material;
the right air injection assemblies and the right air suction assemblies are arranged on the side wall of the right suction bellows body, which corresponds to the belt material, from top to bottom, and are alternately arranged up and down;
the left air injection assemblies and the left air suction assemblies are arranged on the side wall of the left suction bellows body, which corresponds to the belt material, from top to bottom, and are alternately arranged up and down;
the right refrigerant supply pipeline and the right hot gas discharge pipeline are arranged in the right suction bellows body and are respectively communicated with the right air injection assembly and the right air suction assembly;
the left refrigerant supply pipeline and the left hot gas discharge pipeline are arranged in the left suction bellows body and are respectively communicated with the left air injection assembly and the left air suction assembly.
When the right air injection assemblies and the right air suction assemblies are arranged alternately up and down, the uppermost side and the lowermost side are both arranged as right air suction assemblies; when the left air injection assemblies and the left air suction assemblies are arranged alternately up and down, the uppermost side and the lowermost side are both arranged as the left air suction assemblies.
The number of the right air suction components is larger than that of the right air injection components, and the number of the left air suction components is larger than that of the left air injection components.
The right jet assembly includes:
the lower nozzle is a cylindrical cavity which is transversely arranged, both ends of the lower nozzle are closed by a nozzle end cover and a nozzle fixing bolt, the inner side of the lower nozzle is an inlet end, and the inlet end is connected with an air nozzle of the right suction bellows body and is communicated with a right refrigerant supply pipeline;
the upper nozzle is arranged at the outlet end of the lower nozzle, and the outlet end of the upper nozzle is a nozzle gas outlet;
the two nozzle mounting plates are respectively arranged at the upper side and the lower side of the cylindrical cavity;
the nozzle mounting end cover is vertically arranged on one side of the nozzle end cover and fixedly connected with the same ends of the two nozzle mounting plates;
the nozzle positioning fixing end is arranged on a nozzle end cover of the cylindrical cavity corresponding to the nozzle mounting end cover and is connected with the nozzle mounting end cover through a nozzle fixing pin;
wherein, the structure of the right air jet assembly is consistent with that of the left air jet assembly.
The width of the outlet end of the lower nozzle is h4, the width of the outlet end of the upper nozzle is h3, h3 is more than h4, the range of the included angle b which is used as the included angle b is adjusted to be 1-50 degrees under the condition that the height of the limited h4 is not changed, the larger the angle of the included angle b is, the narrower the width of the cooling air acted on the belt surface material is, and conversely, the smaller the angle of the included angle b is, the wider the width of the cooling air acted on the belt surface material is.
The left suction assembly includes:
the lower suction nozzle is a cylindrical cavity which is transversely arranged, both ends of the lower suction nozzle are closed through a suction nozzle end cover and a suction nozzle fixing bolt, the inner side of the lower suction nozzle is an outlet end, and the outlet end is connected with an air inlet of the left suction bellows body and is communicated with a left hot air discharge pipeline;
the upper suction nozzle is arranged on the inlet end of the lower suction nozzle, and the inlet end of the upper suction nozzle is a suction nozzle gas inlet;
the two suction nozzle mounting plates are respectively arranged at the upper side and the lower side of the cylindrical cavity;
the suction nozzle mounting end cover is vertically arranged at one side of the suction nozzle end cover and fixedly connected with the same ends of the two suction nozzle mounting plates;
the suction nozzle positioning fixed end is arranged on a suction nozzle end cover of the cylindrical cavity, which corresponds to the suction nozzle installation end cover, and is connected with the suction nozzle installation end cover through a suction nozzle fixing pin;
wherein, the structure of the left air suction component is consistent with the structure of the right air suction component.
The width of the inlet end of the lower suction nozzle is h1, the width of the inlet end of the upper suction nozzle is h2, h2 is more than h1, the range of the included angle a which is used as the included angle a is adjusted to be 1-55 degrees under the condition that the height of the limiting h2 is not changed, the larger the angle of the included angle a is, the wider the width of the negative pressure area formed on the belt surface material is, and conversely, the smaller the angle of the included angle a is, the narrower the width of the negative pressure area formed on the belt surface material is.
The left hot gas discharge line includes:
the left hot air pipeline is transversely arranged at the top of the left suction bellows body;
the top air outlet is connected with the left hot air pipeline in a matched manner;
the hot air collecting pipelines are transversely arranged and distributed in the left suction bellows body from top to bottom, the inlet end of each hot air collecting pipeline is correspondingly connected with a left air suction assembly, and the outlet end of each hot air collecting pipeline is connected with a left hot air pipeline vertical pipe;
wherein, left hot gas discharge pipeline is unanimous with right hot gas discharge pipeline structure.
The left refrigerant supply line includes:
the left cold air pipeline is transversely arranged at the top of the left suction bellows body;
a left cold air pipeline vertical pipe, wherein the top air inlet is connected with the left cold air pipeline in a matching way;
the air supply pipelines are transversely arranged and distributed in the left suction bellows body from top to bottom, the outlet end of each air supply pipeline is correspondingly connected with a left air injection assembly, and the inlet end of each air supply pipeline is connected with the left cold air pipeline vertical pipe.
The pipeline materials of the right refrigerant supply pipeline and the right hot gas discharge pipeline in the right suction bellows body are heat insulation materials; the pipeline materials of the left refrigerant supply pipeline and the left hot gas discharge pipeline in the left suction bellows body are heat insulation materials, so that the influence of hot gas on the refrigerant can be effectively prevented.
The beneficial effects of the utility model are as follows:
1. the utility model increases the air suction function, structurally uses the long nozzle and the short air suction nozzle, takes away a large amount of cooled hot air flow according to the air flow rule, reduces the secondary influence of the hot air on the cold air, improves the cooling efficiency of the suction type cooling bellows, reduces the power and the volume of the cooling bellows, is possible to install cooling equipment with larger cooling capacity in a narrow space, and has more selection and creation process conditions under the condition of equipment transformation or limited installation space.
2. The same suction type cooling bellows are respectively arranged on two sides of the surface material, the cooling nozzle of the suction type cooling bellows is longer than the suction nozzle, and the nozzle and the suction nozzle can be slit type or tubular type.
3. The number of nozzles and nozzles of the suction type cooling bellows is mainly determined by the specific height and specific clearance of the bellows and the cooling effect of the cooling belt surface material, and is generally larger than the number of nozzles, the number of nozzles covers the hot air flow after heat exchange of the air cooling the nozzles, and all the hot air flow is sucked out through the negative pressure range of the nozzles.
4. The hot air pipeline and the cooling gas sucked by the suction nozzle of the suction type cooling bellows adopt heat insulation measures, the shorter the length of the cooling air pipeline adjacent to the hot air pipeline is, the better, and if necessary, a heat insulation plate or a heat insulation material is additionally arranged to fill the residual space between the two pipelines.
5. The hot air pipeline is formed by adopting a multi-layer transverse design, a base layer, a middle filling layer and a protective layer of the outermost layer, wherein the middle filling layer uses a high polymer material aerogel felt as an ideal filling material, and the gel felt has a good heat insulation effect.
6. The nozzles and the suction nozzles of the suction type cooling bellows are alternately arranged at intervals, and generated hot air flow is timely sucked in the shortest time. The negative pressure area of the suction nozzle is positioned at the two sides of hot air generated after the air flow of the nozzle is cooled, so that the hot air at the two sides of the belt material is sucked away to the greatest extent, and the influence of the hot air on cold air is reduced.
7. The arrangement of the nozzles and the suction nozzles of the suction type cooling bellows can arrange the suction nozzles at the outermost side, compared with the arrangement of the suction nozzles at the outermost side, the suction nozzles can absorb hot air better, the influence on the surrounding environment is small, and the nozzles can be arranged at the outermost side without special requirements on the working environment.
8. The effective distance and length of the alternately arranged suction type cooling bellows accord with the design of the flow direction and flow quantity of aerodynamic gas, and the middle part cooling capacity and the cooling efficiency of the belt surface material are improved.
9. The nozzle pressure of the suction type cooling bellows is larger than the nozzle pressure, in order to ensure that the temperature of the surface of the belt material is reduced, enough cooling capacity and cooling speed are required, the basic cooling capacity and residual operation capacity of the belt material are ensured, abnormal adjustment under abnormal conditions is facilitated, the parameters of the nozzle pressure smaller than the nozzle pressure are that the high-temperature belt material is cooled through the cooling nozzle, hot air after heat exchange is sucked away, the temperature of cooling air is prevented from being influenced, the cooling speed of the belt material is prevented from being influenced, the nozzle cannot be influenced, cooling gas which is not acted on the belt material is sprayed out by the cooling nozzle, and if the cooling of the belt material is not participated in, the innovation point of increasing the function of the nozzle is directly reduced and lost, so that the reasonable distribution of the pressure and flow of the nozzle is important.
10. The hot air sucked by the suction nozzle of the suction type cooling air box can be used as a preheating source, can be used as a direct air supply source of hot air drying equipment, reduces the consumption of steam heat exchange, improves the energy utilization rate and saves energy media.
11. The suction type cooling bellows has more obvious use effect in cooling after plating of a hot galvanizing unit, particularly the required air amount for cooling after plating in summer is larger, the environment temperature of a working site is higher, particularly the production thickness specification temperature is higher, the temperature of an operation environment can be obviously improved after hot air is sucked away by adopting the suction type cooling bellows, a fan speed reducer and a motor working at high temperature work at normal temperature, the service life of equipment and maintenance and repair period are prolonged, the maintenance cost is reduced, the maintenance man-hour is reduced, and meanwhile, the operation environment of professional detection and inspection of equipment point inspection and operation post personnel in the area is improved, so that the intrinsic safety is essentially improved.
12. The suction of the suction type cooling bellows adopts a forced suction mode of a fan, and negative pressure is formed at a suction inlet.
13. The suction type cooling bellows can adopt nitrogen medium, less nitrogen is leaked by utilizing suction type reasonable design, the sucked hot nitrogen can be recycled by using a heat exchange mode, the use amount of the nitrogen and the harm to surrounding personnel such as asphyxia are reduced, the personal safety of the personnel is ensured, and the use cost is reduced.
14. The suction type cooling bellows nozzle is of a narrow slit end part shrinkage type structure, the air is sprayed out through the nozzle after the internal pressure of the air collecting cavity is balanced, an inclined section is arranged in the narrow slit end part shrinkage type structure, the flow and the pressure of sprayed air flow are kept to be more uniform and directional in the inclined section, and the sprayed air is prevented from becoming uneven or turbulent after being sprayed out of the nozzle.
15. The suction type cooling bellows suction nozzle is provided with a suction nozzle with an outer expanding shape and an inner gradually converging shape, the outer expanding shape is convenient for collecting more scattered hot air, and the inner gradually converging shape of the suction nozzle is used for sucking more hot air with enough suction force to be led into the air collection chamber for discharging.
16. The cooling pipeline and the hot air pipeline of the suction type cooling air box are arranged in the air box with the airtight structure, so that the air supply system is prevented from reaching the position of the terminal and being distributed to the cooling nozzle and the suction nozzle, and the working capacity and the working efficiency of the suction type cooling air box are reduced due to the fact that the temperature is disturbed.
17. The cooling air source pipeline and the hot air suction pipeline of the suction type cooling bellows are respectively arranged at two sides of the closed bellows, so that the temperature of the air supply pipeline and the temperature of the air suction pipeline are prevented from being mutually interfered.
18. The design of the nozzle shape of the suction cooling bellows and the change of the nozzle structure can be replaced on the nozzle bracket so as to adapt to different production varieties.
Drawings
FIG. 1 is an on-line front view of an extraction cooling bellows;
FIG. 2 is an on-line left side view of an extraction cooling windbox;
FIG. 3 is an on-line top view of an extraction cooling windbox;
FIG. 4 is a side view of an extraction cooling bellows on a spool;
FIG. 5 is a front view of a left suction bellows;
FIG. 6 is a left side view of a left suction bellows;
FIG. 7 is a top view of the left suction bellows;
FIG. 8 is a left suction bellows axial side view;
FIG. 9 is a vertical cross-sectional view of A-A left suction bellows;
FIG. 10 is a horizontal cross-sectional view of a left suction bellows of B-B;
FIG. 11 is a C-C left suction bellows assist cross-sectional view;
FIG. 12 is a left suction bellows line isometric view;
FIG. 13 is a front view of a nozzle;
FIG. 14 is a top view of a nozzle;
FIG. 15 is a left side view of the nozzle;
FIG. 16 is an isometric view of a nozzle;
FIG. 17 is a front view of the suction nozzle;
FIG. 18 is a top view of a suction nozzle;
FIG. 19 is a left side view of the suction nozzle;
FIG. 20 is an isometric view of a suction nozzle;
FIG. 21 is a schematic view of the flow of gas during operation of the nozzle;
FIG. 22 is a schematic view of the suction nozzle and nozzle cavity height and angle and distance between the belt material;
wherein:
1-right suction bellows;
101-right # 1 nozzle;
102-Right No. 1 suction nozzle;
103-right 2# nozzle;
104-right # 2 nozzle;
105-right 3# nozzle;
106-right 3# suction nozzle;
107-right # 4 nozzle;
108-a right hot air pipeline;
109-right cold air pipeline;
1010-right suction bellows housing;
1011-nozzle end cap;
1012-a nozzle fixing bolt;
1013-upper nozzles;
1014-a nozzle gas outlet;
1015-lower nozzles;
1016-nozzle fixing pin;
1017-a nozzle mounting plate;
1018-nozzle mount end cap;
1019-nozzle positioning fixed end;
2-left suction bellows;
201-left # 1 nozzle;
202-left 1# suction nozzle;
2021-left # 1 nozzle tip;
2022-left # 1 suction nozzle draws in the flow direction of the hot air;
20101-left # 1 nozzle tip;
20102-left # 2 nozzle sprays cooling air flow direction;
203-left # 2 nozzle;
2031-left # 2 nozzle end;
2032-left # 1 nozzle sprays cooling air flow direction;
204-left # 2 suction nozzle;
205-left 3# nozzle;
206-left 3# suction nozzle;
207-left # 4 nozzle;
208-left hot air pipeline;
2081-left hot air pipe standpipe;
2082-left 3# suction nozzle hot air collecting pipeline;
2083-left No. 2 suction nozzle hot air collecting pipeline;
2084-left No. 1 suction nozzle hot air collecting pipeline;
209-left cold air pipeline;
2091-left cold air line standpipe;
2092-left # 4 nozzle air supply line;
2093-left 3# nozzle air supply line;
2094-left # 2 nozzle air supply line;
2095-left # 1 nozzle air supply line;
2010-left suction bellows housing;
2011-a nozzle end cap;
2012-a suction nozzle fixing bolt;
2013-upper suction nozzle;
2014-a mouthpiece gas inlet;
2015-lower suction nozzle;
2016-suction nozzle fixing pin;
2017-a suction nozzle mounting plate;
2018-suction nozzle mount end cap;
2019-a suction nozzle positioning fixed end;
3-a facing material;
s-nozzle and belt material spacing;
s1, spacing between a suction nozzle and a belt material;
a-the angle of the cavity in the suction nozzle;
b-angle of the cavity in the nozzle;
h1, the width of an outlet in a suction nozzle cavity;
h2, the width of an inlet in the suction nozzle cavity;
h 3-width of inlet in the nozzle chamber;
h 4-width of outlet in the nozzle chamber.
Detailed Description
The objects, technical solutions and advantages of the present utility model will become more apparent by the following detailed description of the present utility model with reference to the accompanying drawings. It should be understood that the description is only illustrative and is not intended to limit the scope of the utility model. In addition, in the following description, descriptions of well-known structures and techniques are omitted so as not to unnecessarily obscure the present utility model.
As shown in fig. 1, 3 and 4, the suction type cooling windbox includes: the right suction bellows body 1 and the left suction bellows body 2 are respectively arranged at two sides of the belt material 3; the right air injection assemblies and the right air suction assemblies are arranged on the side wall of the right suction bellows body 1, which corresponds to the belt material 3, from top to bottom, and are alternately arranged up and down; the left air injection assemblies and the left air suction assemblies are arranged on the side wall of the left suction bellows body 2, which corresponds to the belt material 3, from top to bottom, and are alternately arranged up and down; the right refrigerant supply pipeline and the right hot gas discharge pipeline are arranged in the right suction bellows body 1 and are respectively communicated with the right air injection assembly and the right air suction assembly; the left refrigerant supply pipeline and the left hot gas discharge pipeline are arranged in the left suction bellows body 2 and are respectively communicated with the left air injection assembly and the left air suction assembly; the pipeline materials of the right refrigerant supply pipeline and the right hot gas discharge pipeline in the right suction bellows body 1 are heat insulation materials; the left refrigerant supply pipeline and the left hot gas discharge pipeline in the left suction bellows body 2 are made of heat insulation materials, so that the influence of hot gas on the refrigerant can be effectively prevented.
As shown in fig. 2, 5, 6, 8 and 12, when the right air injection assemblies and the right air suction assemblies are alternately arranged up and down, the uppermost side and the lowermost side are both right air suction assemblies; when a plurality of left jet components and a plurality of left air suction components are arranged up and down alternately, the uppermost side and the lowermost side are both provided with left air suction components, the number of right air suction components is greater than that of right air suction components, and the number of left air suction components is greater than that of left air suction components.
As shown in fig. 13 to 16, the right jet assembly includes: the lower nozzle 1015 is a cylindrical cavity which is transversely arranged, both ends of the lower nozzle 1015 are closed by a nozzle end cover 1011 and a nozzle fixing bolt 1012, the inner side of the lower nozzle 1015 is an inlet end, and the inlet end is connected with an air nozzle of the right suction bellows body 1 and is communicated with a right refrigerant supply pipeline; an upper nozzle 1013 provided on an outlet end of the lower nozzle 1015, the outlet end of the upper nozzle 1013 being a nozzle gas outlet 1014; two nozzle mounting plates 1017 respectively arranged on the upper and lower sides of the cylindrical cavity; a nozzle mounting end cap 1018 vertically provided on one side of the nozzle end cap 1011 and fixedly connected to the same ends of the two nozzle mounting plates 1017; a nozzle positioning fixing end 1019 disposed on the nozzle end cap 1011 of the cylindrical cavity corresponding to the nozzle mounting end cap 1018 and interconnected with the nozzle mounting end cap 1018 by a nozzle fixing pin 1016; wherein, the structure of the right air jet assembly is consistent with that of the left air jet assembly.
As shown in fig. 22, the width of the outlet end of the lower nozzle 1015 is h4, the width of the outlet end of the upper nozzle 1013 is h3, h3 > h4, and the range of the included angle b by adjusting h3 to be 1 ° -50 ° is not changed when the height of h4 is limited, and conversely, the larger the angle of the included angle b, the narrower the width of the cooling wind acting on the belt material 3, and the smaller the angle of the included angle b, the wider the width of the cooling wind acting on the belt material 3.
As shown in fig. 17 to 20, the left suction assembly includes: the lower suction nozzle 2015 is a cylindrical cavity which is transversely arranged, both ends of the lower suction nozzle 2015 are closed by a suction nozzle end cover 2011 and a suction nozzle fixing bolt 2012, the inner side of the lower suction nozzle is an outlet end, and the outlet end is connected with an air inlet of the left suction bellows body 2 and is communicated with a left hot air discharge pipeline; an upper suction nozzle 2013 disposed on an inlet end of the lower suction nozzle 2015, the inlet end of the upper suction nozzle 2013 being a suction nozzle gas inlet 2014; two suction nozzle mounting plates 2017 respectively arranged on the upper side and the lower side of the cylindrical cavity; a suction nozzle mounting end cover 2018 vertically arranged at one side of the suction nozzle end cover 2011 and fixedly connected with the same ends of the two suction nozzle mounting plates 2017; a suction nozzle positioning fixing end 2019 disposed on a suction nozzle end cap 2011 of the cylindrical cavity corresponding to the suction nozzle mounting end cap 2018 and connected to the suction nozzle mounting end cap 2018 by a suction nozzle fixing pin 2016; wherein, the structure of the left air suction assembly is consistent with that of the right air suction assembly, and the length of the upper nozzle 1013 is longer than that of the upper suction nozzle 2013; the lower nozzle 1015 can rotate with the nozzle positioning fixing end 1019 such that the upper nozzle 1013 can rotate up and down; the lower suction nozzle 2015 can rotate with the suction nozzle positioning fixed end 2019 so that the upper suction nozzle 2013 can rotate up and down.
As shown in fig. 22, the width of the inlet end of the lower suction nozzle 2015 is h1, the width of the inlet end of the upper suction nozzle 2013 is h2, h2 > h1, the range of the included angle a is adjusted to be 1 ° -55 ° when the height of the limiting h2 is unchanged, the larger the angle of the included angle a is, the wider the width of the negative pressure area formed on the belt material 3 is, and conversely, the smaller the angle of the included angle a is, the narrower the width of the negative pressure area formed on the belt material 3 is.
As shown in fig. 1 to 12, the left hot gas discharge line includes: a left hot air pipeline 208 transversely arranged at the top of the left suction bellows body 2; a left hot air pipeline standpipe 2081, the top air outlet being connected in cooperation with the left hot air pipeline 208; the hot air collecting pipelines are transversely arranged and distributed in the left suction bellows body 2 from top to bottom, the inlet end of each hot air collecting pipeline is correspondingly connected with a left air suction component, and the outlet end of each hot air collecting pipeline is connected with a left hot air pipeline vertical pipe 2081; wherein, left hot gas discharge pipeline is unanimous with right hot gas discharge pipeline structure.
As shown in fig. 1 to 12, the left refrigerant supply line includes: the left cold air pipeline 209 is transversely arranged at the top of the left suction bellows body 2; a left cold air pipeline standpipe 2091, and a top air inlet is connected with the left cold air pipeline 209 in a matched manner; the air supply pipelines are horizontally arranged and distributed in the left suction bellows body 2 from top to bottom, the outlet end of each air supply pipeline is correspondingly connected with a left air injection assembly, and the inlet end of each air supply pipeline is connected with the left cold air pipeline vertical pipe 2091.
Specifically, as shown in three on-line views and an isometric view of a suction type cooling bellows in combination with fig. 1, 2, 3 and 4, the arrangement mode of the utility model is that symmetrical right suction bellows 1 and left suction bellows 2 are arranged at two sides of a belt surface material 3 to be cooled on a high-speed production line to cool the belt surface material 3, and a safety distance exists between the right suction bellows 1 and the left suction bellows 2 and the belt surface material 3 respectively, and the safety distance is 30-300mm. A plurality of right air injection components, right air suction components, left air injection components and left air suction components which are wider than the band surface material 3 are arranged on the right suction bellows 1 and the left suction bellows 2, the surface of the high-temperature band surface material 3 is cooled after heat exchange of the right suction bellows 1 and the left suction bellows 2, and the required temperature control is finally obtained, wherein a right hot air discharge pipeline, a right refrigerant supply pipeline, a right hot air pipeline 108 and a right cold air pipeline 109 are arranged in a sealed right suction bellows shell 1010 of the right suction bellows 1, the right air injection components are a right 1# nozzle 101, a right 2# nozzle 103, a right 3# nozzle 105 and a right 4# nozzle 107, the right air suction components are a right 1# suction nozzle 102, a right 2# suction nozzle 104 and a right 3# suction nozzle 106, the right hot air pipeline 108 is connected with the right 1# suction nozzle 102, the right 2# suction nozzle 104 and the right 3# suction nozzle 106, and the right cold air pipeline 109 is connected with the right 1# nozzle 101, the right 2# nozzle 103, the right 3# nozzle 105 and the right 4# nozzle 107, and referring to fig. 3, it can be seen that the right hot air pipeline 108 and the right cold air pipeline 109 are independently supplied with cooling gas by the injection of the right cold air pipeline 109, after the gas contacts the surface of the belt material, the high temperature emitted by the surface of the belt material is taken away, the cooling gas exchanges heat into hot air, the scattered hot air flows in the direction of the minimum air resistance of the cooling nozzle through turning on the surface of the belt material, and the tail ends of the right 1# suction nozzle 102, the right 2# suction nozzle 104 and the right 3# suction nozzle 106 form a negative pressure region through the suction function given by the right hot air pipeline 108. Similar to the right suction bellows 1, a left hot air discharge pipeline and a left refrigerant supply pipeline, in particular, a left hot air pipeline 208 and a left cold air pipeline 209 are arranged in a sealed left suction bellows housing 2010 of the left suction bellows 2, a left air injection component, in particular, a left 1# nozzle 201, a left 2# nozzle 203, a left 3# nozzle 205 and a left 4# nozzle 207, a left air suction component, in particular, a left 1# nozzle 202, a left 2# nozzle 204 and a left 3# nozzle 206, wherein the left hot air pipeline 208 is connected with the left 1# nozzle 202, the left 2# nozzle 204 and the left 3# nozzle 206, and the left cold air pipeline 209 is connected with the left 1# nozzle 201, the left 2# nozzle 203, the left 3# nozzle 205 and the left 4# nozzle 207, and referring to fig. 3, it can be seen that the left hot air pipeline 208 and the left cold air pipeline 1209 are separately and independently supplied and blown by the left cold air pipeline 209, after the air contacts the surface of the belt material, the high temperature emitted by the surface of the belt material is taken away, the cold air is heat exchanged into hot air, the dissipated hot air, and the air flows in the direction of the cooling nozzle with minimal air resistance generated through the surface of the belt material, and flows through the left # nozzle 208, and the left end 3# 3, and the left end region 2 is formed by the suction region # 2.
The right hot air pipeline 108 and the right cold air pipeline 109 of the right suction bellows 1 and the total pipes of the left hot air pipeline 208 and the left cold air pipeline 209 of the other group of left suction bellows 2 are all designed at the top end of the integral bellows in the drawing, and the utility model is not limited to the design of the total pipeline below or at the side of the integral wind direction.
The right suction bellows 1 and the left suction bellows 2 of the utility model have the air suction function, long nozzles and short air suction nozzles are used on the traditional structure, referring to the example of fig. 5, the right 1# suction nozzle 102, the right 2# suction nozzle 104 and the right 3# suction nozzle 106 suck hot air which is sprayed by the left 1# suction nozzle 202, the left 2# suction nozzle 204 and the left 3# suction nozzle 206 and acts on the belt surface material for heat exchange, a large amount of cooled hot air flow is sucked away under negative pressure according to the air flow rule, the secondary influence of hot air after heat exchange on cooling air sprayed by the nozzles is reduced, the overall cooling efficiency of the suction type cooling bellows is improved, the power and the volume of the cooling bellows are reduced, more equipment selection and creation process condition control ranges are possible under the condition that the equipment transformation or the installation space is limited.
The suction type cooling bellows are arranged on two sides of the belt surface material, the right suction bellows 1 and the left suction bellows 2 of the suction type cooling bellows with the same structure are respectively arranged, the nozzles and the suction nozzles can be in a slit shape or a tubular shape, the number of the nozzles is at least more than 2, the number of the suction nozzles is at least not less than two, the nozzles are alternately arranged on the whole surface of the bellows body, and the cooling gas sprayed by the nozzles and the suction inlet of the suction nozzles are perpendicular to the cooling surface of the belt surface material.
The number of nozzles and suction nozzles of the right suction bellows 1 and the left suction bellows 2 of the utility model mainly depends on the overall height of the bellows, specific gaps and the cooling effect of the cooling belt surface material, and is generally larger than the number of nozzles, the number of the suction nozzles covers the hot air flow after heat exchange of the air cooling the nozzles, and all the hot air flow is sucked out through the negative pressure range of the suction nozzles.
The main arrangement of the right suction bellows 1 and the left suction bellows 2 according to the utility model is applicable with reference to the upper and lower faces of the facing material in the direction of travel of the facing material being horizontal, vertical and inclined.
Referring to fig. 5, 6 and 7, which are three views of a left suction bellows, fig. 8 is an isometric view of a left suction bellows, and fig. 8 is an isometric view of a left suction bellows, a left 1# nozzle 201, a left 1# nozzle 202, a left 2# nozzle 203, a left 2# nozzle 204, a left 3# nozzle 205, a left 3# nozzle 206 and a left 4# nozzle 207 which are arranged on a left suction bellows 2 of a suction type cooling bellows, wherein the nozzles and the nozzles are alternately arranged on the bellows, and referring to fig. 5, the distance between the center lines of the nozzles and the nozzles is 5-200mm, so that the specific actual working distance is adjusted on the premise that the nozzles have the suction cooling air. In order to better embody the connection structure of the internal pipeline, the nozzles and the suction nozzles of the suction type cooling bellows, the left 1# nozzle 201 is located at the lowest part of the whole bellows, and the left 4# nozzle 207 is located at the uppermost part of the bellows, as shown in the vertical cross-sectional view of the left suction bellows, the horizontal cross-sectional view of the left suction bellows in fig. 10B-B, and the auxiliary cross-sectional view of the left suction bellows in fig. 11C-C, with reference to fig. 9 A-A. Referring to fig. 9 and 12, the hot air flow pipeline sucked by the suction nozzle of the suction type cooling bellows and the cooling air take heat insulation measures, the shorter the length of the cooling air flow pipeline adjacent to the hot air pipeline is, the better, and if necessary, a heat insulation board or heat insulation material is additionally arranged to fill the residual space between the two pipelines.
The hot air pipeline is formed by adopting a multi-layer transverse design, a base layer, a middle filling layer and a protective layer of the outermost layer, wherein the middle filling layer uses a high polymer material aerogel felt as an ideal filling material, and the gel felt has a good heat insulation effect. The left hot air pipeline standpipe 2081 is connected with the left hot air pipeline 208, the left hot air pipeline standpipe 2081 is connected with each of the left No. 1 suction nozzle 202, the left No. 2 suction nozzle 204 and the left No. 3 suction nozzle 206, the suction force of the left hot air pipeline 208 sucks hot air sucked by the suction nozzles through the left hot air pipeline standpipe 2081, and negative pressure is formed around the suction nozzles to suck hot air subjected to heat exchange.
Left cold air pipe standpipe 2091 is connected with left cold air pipe 209, left cold air pipe standpipe 2091 is connected with each of left 1# nozzle 201, left 2# nozzle 203, left 3# nozzle 205 and left 4# nozzle 207, and cooling air provided in left cold air pipe 209 is sent into left cold air pipe standpipe 2091 through left cold air pipe 209, and then is sent into each nozzle to be sprayed out to act on the surface of the belt surface material.
Left cold air pipeline standpipe 2091 and left hot air pipeline standpipe 2081 are arranged inside left suction bellows 2 of suction type cooling bellows, left cold air pipeline standpipe 2091 and left hot air pipeline standpipe 2081 are arranged on two sides of left suction bellows 2, left cold air pipeline standpipe 2091 and left hot air pipeline standpipe 2081 are kept at the maximum distance between inner pipelines of left suction bellows 2, heat exchange of cold air pipelines and hot air pipelines can be kept, cooling air is prevented from being influenced by hot air to reduce cooling capacity, heat insulation materials are filled in gaps between connecting pipelines of a nozzle and a suction nozzle and a cavity to prevent heat exchange, two independent air supply pipelines are provided with sufficient safe distance and protection of the heat insulation materials, and the smaller hot air generated after cooling of belt materials is met can effectively reduce output of suction nozzle air quantity, and energy consumption is reduced.
A cavity is formed between the left cold air duct standpipe 2091 connected to the left cold air duct 209 shown in the left suction bellows horizontal cross-section of fig. 10B-B and the nozzle outside the bellows, and the cavity is shaped to interconnect the duct of the nozzle and is a flat hollow structure for the purpose of creating a pressure maintaining effect inside the wall to keep the flow and pressure of the nozzle pressure stable and the cooling air acting on the surface of the belt material at the most effective cooling. In contrast, the left hot air pipe standpipe 2081 adopts a flat hollow structure as the cavity of the suction nozzle and the cavity of the nozzle. In order to facilitate installation and reduce the volume, the distance between the nozzle and the suction nozzle is shortened, and the cooling capacity and the cooling efficiency of the suction type cooling bellows are improved.
As shown in the auxiliary cross-sectional view of the left suction box of fig. 11C-C, the pipe connection structure inside the left suction box 2 of the suction type cooling box, the pipe of the left cold air pipe standpipe 2091 is identical to the pipe structure and pattern of the left hot air pipe standpipe 2081, only the length of the two risers is determined to be deviated with respect to the number of nozzles and the number of suction nozzles, and the overall installation structure is to reduce the cross isolation of the pipes and exchange of cold and heat energy inside the box as much as possible.
The nozzle is an important component in the suction cooled windbox, and is also the primary cooling actuator for strip material cooling, illustrated as nozzle # 1 on the right 101: as shown in three views of fig. 13, 14 and 15 and an isometric view of fig. 16, the right # 1 nozzle 101 is a cooling nozzle cavity formed by connecting an upper nozzle 1013, a lower nozzle 1015 and a nozzle end cover 1011 to each other, the cooling nozzle cavity is formed by fixing the nozzle end cover 1011 to the cooling nozzle by a nozzle fixing bolt 1012, the cooling nozzle cavity is connected to a nozzle mounting plate 1017, the nozzle mounting plate 1017 is connected to a nozzle mounting end cover 1018, the nozzle fixing pin 1016 is connected to the nozzle mounting end cover 1018, the other end of the nozzle is fixed by a nozzle positioning fixing end 1019, the cavity formed by the upper nozzle 1013 and the lower nozzle 1015 forms an open non-closed cavity, the nozzle gas outlet 1014 is the only way for cooling gas to be ejected, and the nozzle mounting plate 1017 is connected to a cooling air supply cavity above the bellows. The nozzle gas outlet 1014 is an elongated slit through which the cooling gas is ejected after being equalized in the non-closed chamber, so that the gas exiting the nozzle can be uniformly directed at the surface of the web material for cooling the web material surface. The cooling nozzle of the right No. 1 nozzle 101 is formed by combining a plurality of independent elements, is more convenient in the process of needing maintenance and replacement, reduces maintenance cost and maintenance cost, improves the openable utilization rate of equipment, and the cooling right No. 1 nozzle 101 is arranged in the front direction of wind direction, and can be carried out on the side surface of the wind box in the process of needing maintenance and maintenance replacement. The length of the nozzle gas outlet of the cooling nozzle is mainly determined by the width of the band surface material, and is generally 1.2-1.7 times the width of the band surface material, and the length of the cooling nozzle needs to cover the maximum width of the band surface material to ensure effective cooling amount. The nozzle gas outlet width of the cooling nozzle is mainly determined according to the maximum speed of the production line and the maximum thickness of the belt material, and is generally 1.1-2.5 times of the thickness of the belt material, so that the cooling nozzle has a surplus cooling gas flow.
The suction nozzle is another part of the suction type cooling bellows that improves cooling capacity and efficiency, and is also an essential component of the suction type cooling bellows, and the left 1# suction nozzle 202 is described as an example: as shown in three views of fig. 17, 18, 19 and an isometric view of the suction nozzle in fig. 20, the left # 1 suction nozzle 202 is a cavity of a suction nozzle of a cooling bellows formed by mutually connecting an upper suction nozzle 2013, a lower suction nozzle 2015 and a suction nozzle end cover 2011, the cavity of the suction nozzle of the cooling bellows is fixed on a hot air suction nozzle by a suction nozzle fixing bolt 2012, the cavity of the hot air suction nozzle is connected on a suction nozzle mounting plate 2017, the suction nozzle mounting plate 2017 is connected with a suction nozzle mounting end cover 2018, the suction nozzle fixing pin 2016 is connected with the suction nozzle mounting end cover 2018, the other end of the suction nozzle is fixed by a suction nozzle positioning fixing end 2019, the cavity formed by the upper suction nozzle 2013 and the lower suction nozzle 2015 forms an open non-closed cavity, and is used as the only way of suction of a cooled hot air flow through a suction nozzle gas outlet 2014, and the suction nozzle mounting plate 2017 is connected on the hot air suction cavity above the bellows. The suction nozzle air inlet 2014 is in a shape with a narrow inner part and a wide outer part, and the air suction inlet with an opened hot air flow enters the non-closed cavity and then reaches the inside of the suction vertical pipe to be pumped away, so that cooling air flowing out of the nozzle is sucked away through the hot air flow after heat exchange of the high-temperature belt material, the cooling air flow sprayed out of the nozzle is influenced again by the hot air flow, the hot air flows at two sides are taken away in a negative pressure area formed by the nozzle, and the temperature of the surface of the belt material is reduced. The suction nozzle of the left No. 1 suction nozzle 202 is formed by combining a plurality of independent components, so that the maintenance and the replacement are more convenient in the process of needing maintenance, the maintenance cost is reduced, the equipment availability is improved, the cooled left No. 1 suction nozzle 202 is installed in the front direction of the wind direction, and the process of needing maintenance and maintenance replacement can be performed on the side face of the wind box. The negative pressure area of the cooling suction nozzle and the length of the inlet of the suction nozzle are mainly determined according to the width of the surface material, the length of the gas inlet of the suction nozzle is generally 1.2-1.7 times of the width of the nozzle, and the length of the suction nozzle needs to cover the maximum width of the surface material so as to ensure effective cooling capacity. The width of the air inlet of the suction nozzle is mainly determined according to the maximum speed of the production line and the maximum thickness of the belt material, and is generally 1.3-3.5 times of the thickness of the belt material, so that the hot air suction nozzle is ensured to have a sufficient negative pressure area.
The cavity structure of the suction nozzle and the nozzle is shown in the schematic flow diagram of the gas flow when the suction nozzle and the nozzle work in fig. 21, the flow diagram of the gas after the gas meets the surface of the surface material is shown on one surface of the surface material, the gas flow direction of the minimum component unit of the two nozzles and the suction nozzle is exemplified on the left side of the surface material 3, the two nozzles are respectively the left 1# nozzle 201 and the left 2# nozzle 203, the left cold air pipe standpipe 2091 of the suction cooling bellows is connected with the left cold air pipe 209, the left cold air pipe standpipe 2091 is connected with the left 1# nozzle 201 and the left 2# nozzle 203, the left cold air pipe standpipe 2091 sends cooling gas into the left 1# nozzle 201 and the left 2# nozzle to be sprayed on the surface material 3, the generated cooling air flows out of the left 1# nozzle 2032 and the left 2# nozzle to spray cooling air in the direction 20102, the end of the left 2# nozzle is controlled by the end 20101 of the left 1# nozzle, the cooling air is exchanged by the surface temperature of the high temperature surface material, the cooling air is exchanged into hot air flow, the left cold air pipe standpipe 2091 is connected with the left 1# nozzle 201 and the left 2# nozzle 203, the left cold air pipe standpipe is sucked into the left heat pipe 208, and the left heat exchange pipe 208 is sucked into the left heat pipe 208, and the left heat exchange pipe is formed around the left heat pipe 2081. The negative pressure that the suction nozzle had can not suck away spun cooling gas, has adopted open formula suction nozzle structure in the design, and the negative pressure region that increases the suction nozzle can also guarantee that the cooling is not influenced, in time sucks away hot-blast, prevents that the hot-blast cooling air current on both sides from influencing after the heat transfer from reducing the overall efficiency of cooling bellows.
The suction nozzle and the nozzle have rotating functions, the side diagonal defects and zinc flow defects on the surface of the strip steel can be effectively eliminated by changing the cooling airflow direction through the rotating nozzle, the suction nozzle can adjust the suction angle according to the rotation of the airflow of the nozzle under the condition that the cooling effect is not affected, and the effect of eliminating the side diagonal defects of the zinc-aluminum-magnesium thick coating product and the zinc flow defects of the aluminum-zinc-plated thick coating product is obvious when the inclined angle formed by the optimized airflow blowing direction and the strip steel running direction is 60-30 degrees through the test.
The above-mentioned changes in the shape of the inner cavities of the suction nozzle and the nozzle will cause changes in the size of the air flow and changes in the flow rate, and are particularly important for the structure and the size in the cavity, and referring to fig. 22, which is a schematic view showing the distance between the height and angle of the suction nozzle and nozzle cavity and the belt material, the relationship between the cross-sectional views of the cavities of the left # 2 nozzle 203 and the left # 1 nozzle 202 and the belt material is explained, the end 2031 of the left # 2 nozzle 203 in the cavity inner structure is a symmetrical structure composed of upper and lower cavities, the cavity inner is composed of a circular hollow cavity and an inclined nozzle composed of the end 2031 of the left # nozzle, the cavity of the inclined nozzle is angled from the horizontal center line, assuming that the included angle is b, the spraying angle of the air flow and the cooling width sprayed on the surface of the belt material 3 are both changed, the inlet and outlet directions of the nozzle are defined according to the flowing direction of the air flow, the inlet height h3 in the nozzle cavity in the inlet direction and the outlet height h4 in the nozzle cavity in the outlet direction are both changed, the angle b in the nozzle cavity of the nozzle is changed, the range of the included angle b, which is defined by the h3, is adjusted to be 1-50 degrees under the condition that the height of the limiting h4 is not changed, the larger the angle of the included angle b, the narrower the width of the cooling wind acting on the belt material 3 is, and conversely, the smaller the angle of the included angle b, the wider the width of the cooling wind acting on the belt material 3 is. From the figure, h3 > h4 is shown, the cavity is of a gradually shrinking structure after cooling air enters the cavity, the gap S between the nozzle and the surface material of the belt is ensured to maintain a safe distance from the collision risk of the nozzle when the maximum production thickness of the surface material 3 and the poor plate shape of the surface material of the belt are ensured, and the cooling air output by the nozzle can generate enough cooling capacity on the surface of the surface material 3 of the belt.
In the internal structure of the cavity of the left 1# suction nozzle 202, the left 1# suction nozzle end 2021 is of a symmetrical structure formed by combining an upper cavity and a lower cavity, the cavity is internally provided with a circular hollow cavity and an inclined suction nozzle formed by the left 1# suction nozzle end 2021, the cavity of the inclined suction nozzle is angled to the horizontal center line, and assuming that an included angle a is formed, the suction angle of air flow and the negative pressure formed by the suction nozzle are changed on the negative pressure on the surface of the surface material 3, the inlet and outlet directions of the suction nozzle are defined according to the flowing direction of air flow, the inlet height h2 of the suction nozzle in the inlet direction and the outlet height h1 of the suction nozzle in the outlet direction are both changed, the internal cavity angle a of the suction nozzle is changed, under the condition that the height of the limiting h2 is not changed, the range of the included angle a is adjusted to be 1-55 degrees, the larger the included angle a is acted on the width of the negative pressure area formed on the surface material 3, and the smaller the included angle a is acted on the width of the negative pressure area formed on the surface material 3 is narrower. From the figure, h2 & gth 1 is shown, after the hot air dissipated from the belt material 3 enters the cavity, the cavity is of a gradually contracted structure, the tail end of the suction nozzle is away from the belt material 3 by an adjusting distance, the distance S1 between the suction nozzle and the belt material is greater than the distance S between the nozzle and the belt material, the minimum gap that a large amount of hot air generated after the cooling of the belt material 3 is sucked away by the left No. 1 suction nozzle 202 is ensured, and the suction nozzle needs to suck away the hot air after heat exchange of two adjacent nozzles according to the airflow flowing direction of FIG. 21, so that the cooling effect is improved.
The reference drawing in the present utility model is an alternate pattern arrangement designed as nozzle + nozzle, but is not limited to a nozzle + nozzle arrangement.
The left hot air pipeline 208 and the right hot air pipeline 108 in the right suction air box 1 and the left suction air box 2 of the suction type cooling air box refer to fig. 1, are connected and sucked in a forced air suction mode of a fan, negative pressure is formed in a suction nozzle cavity through a connected hot air pipeline vertical pipe, hot air in a negative pressure area outside the suction nozzle is sucked out, the negative pressure area and suction force are regulated under the condition that cooling air flow is not influenced, and the field condition is met.
The medium of the suction type cooling bellows uses the air after drying or the nitrogen medium with better cooling effect, less nitrogen is leaked by utilizing the suction type reasonable design, the sucked hot nitrogen can be recycled by using a heat exchange mode, the nitrogen consumption and the harm to surrounding personnel such as asphyxia are reduced, the personal safety of the personnel is ensured, and the use cost is reduced. The nitrogen is used as a cooling medium to reduce the oxidation reaction between oxygen in the air and the belt material 3, so that the cooling use mode of the anti-oxidation product is further provided.
The suction type cooling bellows nozzle is of a narrow slit end part shrinkage type structure, the air is sprayed out through the nozzle after the internal pressure of the air collecting cavity is balanced, an inclined section is arranged in the narrow slit end part shrinkage type structure, the flow and the pressure of sprayed air flow are kept to be more uniform and directional in the inclined section, and the sprayed air is prevented from becoming uneven or turbulent after being sprayed out of the nozzle.
The suction type cooling bellows suction nozzle is provided with a suction nozzle with an outer expanding part and an inner gradually converging part, the outer expanding part is convenient for collecting more scattered hot air, the inner gradually converging part of the suction nozzle is used for sucking more hot air with enough suction force to be led into the air collection chamber for being discharged, and the better cooling effect can be obtained under the condition of limited volume by improving the air circulation speed.
The cooling pipeline and the hot air pipeline of the suction type cooling air box are both arranged in the air box with the airtight structure and have isolation gaps, water cooling can be adopted as cooling medium in the isolation gaps according to the figure 9, the temperature of the air supply system reaching the terminal and distributed to the cooling nozzles and the suction nozzles is prevented from being disturbed, and the working capacity and the using working efficiency of the suction type cooling air box are improved.
The design of the nozzle shape of the suction type cooling bellows and the change of the nozzle structure can be changed at the side face of the nozzle bracket, any nozzle can be maintained and repaired in a short time, the maintenance and repair after the whole bellows is not required to be disassembled, and the nozzle and the suction nozzle structure which are quickly connected can be more suitable for the adjustment of different production varieties to the bellows.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (10)
1. Suction cooling bellows, characterized in that it comprises:
the right suction bellows body (1) and the left suction bellows body (2) are respectively arranged at two sides of the belt material (3);
the right air injection assemblies and the right air suction assemblies are arranged on the side wall of the right suction bellows body (1) corresponding to the belt material (3) from top to bottom, and are alternately arranged up and down;
the left air injection assemblies and the left air suction assemblies are arranged on the side wall of the left suction bellows body (2) at one side corresponding to the belt material (3) from top to bottom, and are alternately arranged up and down;
the right refrigerant supply pipeline and the right hot gas discharge pipeline are arranged in the right suction bellows body (1) and are respectively communicated with the right air injection assembly and the right air suction assembly;
The left refrigerant supply pipeline and the left hot gas discharge pipeline are arranged in the left suction bellows body (2) and are respectively communicated with the left air injection assembly and the left air suction assembly.
2. The suction type cooling windbox according to claim 1, wherein when the plurality of right air jetting assemblies and the plurality of right air suction assemblies are alternately arranged up and down, both the uppermost side and the lowermost side are arranged as right air suction assemblies; when the left air injection assemblies and the left air suction assemblies are arranged alternately up and down, the uppermost side and the lowermost side are both arranged as the left air suction assemblies.
3. The suction cooling bellows of claim 1 or 2 wherein the number of right suction assemblies is greater than the number of right air jet assemblies and the number of left suction assemblies is greater than the number of left air jet assemblies.
4. The suction cooling windbox according to claim 1 or 2, wherein said right jet assembly comprises:
the lower nozzle (1015) is a cylindrical cavity which is transversely arranged, both ends of the lower nozzle are closed by a nozzle end cover (1011) and a nozzle fixing bolt (1012), the inner side of the lower nozzle is an inlet end, and the inlet end is connected with an air nozzle of the right suction bellows body (1) and is communicated with a right refrigerant supply pipeline;
An upper nozzle (1013) provided on an outlet end of the lower nozzle (1015), the outlet end of the upper nozzle (1013) being a nozzle gas outlet (1014);
two nozzle mounting plates (1017) respectively arranged on the upper side and the lower side of the cylindrical cavity;
a nozzle mounting end cover (1018) vertically arranged on one side of the nozzle end cover (1011) and fixedly connected with the same ends of the two nozzle mounting plates (1017);
a nozzle positioning fixed end (1019) which is arranged on a nozzle end cover (1011) of the cylindrical cavity corresponding to the nozzle mounting end cover (1018) and is connected with the nozzle mounting end cover (1018) through a nozzle fixing pin (1016);
wherein, the structure of the right air jet assembly is consistent with that of the left air jet assembly.
5. The suction type cooling windbox according to claim 4, wherein the width of the outlet end of the lower nozzle (1015) is h4, the width of the outlet end of the upper nozzle (1013) is h3, h3 > h4, and the angle b is adjusted to be 1 ° -50 ° when h3 is defined as the height of h4, and the larger the angle of the angle b, the narrower the width of the cooling air acting on the strip material (3), and conversely the smaller the angle of the angle b, the wider the width of the cooling air acting on the strip material (3).
6. The suction cooling bellows of claim 1 or 2 wherein the left suction assembly comprises:
the lower suction nozzle (2015) is a cylindrical cavity which is transversely arranged, both ends of the lower suction nozzle are closed through a suction nozzle end cover (2011) and a suction nozzle fixing bolt (2012), the inner side of the lower suction nozzle is an outlet end, and the outlet end is connected with an air inlet of the left suction bellows body (2) and is communicated with a left hot air discharge pipeline;
an upper suction nozzle (2013) arranged on the inlet end of the lower suction nozzle (2015), wherein the inlet end of the upper suction nozzle (2013) is a suction nozzle gas inlet (2014);
two suction nozzle mounting plates (2017) respectively arranged on the upper side and the lower side of the cylindrical cavity;
the suction nozzle mounting end cover (2018) is vertically arranged on one side of the suction nozzle end cover (2011) and fixedly connected with the same ends of the two suction nozzle mounting plates (2017);
a suction nozzle positioning fixed end (2019) which is arranged on a suction nozzle end cover (2011) corresponding to the suction nozzle mounting end cover (2018) of the cylindrical cavity and is connected with the suction nozzle mounting end cover (2018) through a suction nozzle fixing pin (2016);
wherein, the structure of the left air suction component is consistent with the structure of the right air suction component.
7. The suction type cooling bellows according to claim 6, wherein the width of the inlet end of the lower suction nozzle (2015) is h1, the width of the inlet end of the upper suction nozzle (2013) is h2, h2 > h1, the range of the included angle a of the h1 is adjusted to be 1 ° -55 ° under the condition that the height of the h2 is not changed, the larger the angle of the included angle a is, the wider the negative pressure area width formed on the belt material (3) is, and conversely, the smaller the angle of the included angle a is, the narrower the negative pressure area width formed on the belt material (3) is.
8. The suction cooling windbox according to claim 1, wherein the left hot gas discharge line comprises:
a left hot air pipeline (208) is transversely arranged at the top of the left suction bellows body (2);
a left hot air pipeline standpipe (2081), the top air outlet is connected with the left hot air pipeline (208) in a matching way;
the hot air collecting pipelines are transversely arranged and distributed in the left suction bellows body (2) from top to bottom, the inlet end of each hot air collecting pipeline is correspondingly connected with a left air suction assembly, and the outlet end of each hot air collecting pipeline is connected with a left hot air pipeline vertical pipe (2081);
wherein, left hot gas discharge pipeline is unanimous with right hot gas discharge pipeline structure.
9. The suction cooling bellows of claim 1 wherein the left refrigerant supply line includes:
the left cold air pipeline (209) is transversely arranged at the top of the left suction bellows body (2);
a left cold air pipeline vertical pipe (2091), wherein the top air inlet is connected with the left cold air pipeline (209) in a matching way;
the air supply pipelines are transversely arranged and distributed in the left suction bellows body (2) from top to bottom, the outlet end of each air supply pipeline is correspondingly connected with a left air injection assembly, and the inlet end of each air supply pipeline is connected with the left cold air pipeline vertical pipe (2091).
10. The suction type cooling bellows according to claim 1, wherein the right refrigerant supply line and the right hot gas discharge line in the right suction bellows body (1) are both made of heat insulating material; the left refrigerant supply pipeline and the left hot gas discharge pipeline in the left suction bellows body (2) are made of heat insulation materials, so that the influence of hot gas on the refrigerant can be effectively prevented.
Priority Applications (1)
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| CN202322419329.9U CN220707870U (en) | 2023-09-06 | 2023-09-06 | Suction type cooling bellows |
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| CN202322419329.9U CN220707870U (en) | 2023-09-06 | 2023-09-06 | Suction type cooling bellows |
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