CN207741543U - Salt heat treatment kiln is soaked by tunnel type magnesia fire-protecting wall - Google Patents
Salt heat treatment kiln is soaked by tunnel type magnesia fire-protecting wall Download PDFInfo
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- CN207741543U CN207741543U CN201721784586.0U CN201721784586U CN207741543U CN 207741543 U CN207741543 U CN 207741543U CN 201721784586 U CN201721784586 U CN 201721784586U CN 207741543 U CN207741543 U CN 207741543U
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Abstract
Salt heat treatment kiln is soaked by the utility model tunnel type magnesia fire-protecting wall, including heat treatment kiln body, outlet preparation room, entrance preparation room, difference inlet porting preparation room and outlet preparation room at the entrance and exit of the heat treatment kiln body, the entrance and exit for being heat-treated kiln body is separated with ambient atmosphere, it is both provided with wicket between heat treatment kiln body and entrance preparation room, outlet preparation room, the outlet of the entrance and exit preparation room of entrance preparation room is also equipped with wicket;The heat treatment kiln body is divided into several regions, and each region is both provided with the independent regulating valve of heat supply air quantity.Compared with prior art, the utility model has the beneficial effects that:Salt heat treatment kiln and technique are soaked by the utility model tunnel type magnesia fire-protecting wall, and by the way that import and export preparation room, air quantity zonal control is arranged, heated air circulation device etc. ensures the thermal regulation needed for heat treatment kiln treatment process.
Description
Technical field
The utility model is related to magnesia fire-protecting wall's leaching salt Field of Heat-treatment more particularly to tunnel type magnesia fire-protecting wall leaching salt heat
Handle kiln.
Background technology
Chemical reaction easily occurs with water and generates magnesium hydroxide, chemical reaction for main component magnesia in magnesia fire-protecting wall
Equation is:
MgO+H2O==Mg (OH)2↓
Magnesia fire-protecting wall's surface bulge, bloom, short texture and active star-like crack after aquation, with dampening
The aggravation for changing reaction eventually makes the thorough dusting damage of magnesia fire-protecting wall.In order to prevent the aquation of magnesia fire-protecting wall, industrially will
Magnesia fire-protecting wall carries out leaching salt treatment, and the magnesia fire-protecting wall after leaching salt need to be pushed into heat treatment kiln and is heat-treated, and will impregnate salt
In moisture content vapor away.
Magnesia fire-protecting wall's leaching salt heat treatment kiln needs to solve the problems, such as following several respects:
1) magnesia fire-protecting wall's meeting acceleration of hydration at 80~110 DEG C, therefore magnesia fire-protecting wall is often in heat treatment kiln entrance
Hydration reaction occurs for the relatively low-temperature space of wicket position;
2) product continuous heating 8 hours under the conditions of 200 DEG C, this requires must control the temperature fluctuation of heat treatment kiln
In smaller range, and when opening wicket into kiln, kiln discharge of product every time, the entrance of outside air can be to the temperature of heat treatment kiln
Large effect is caused with pressure, to influence the quality of product;
3) product water content of each position in heat treatment kiln is had nothing in common with each other, and the hot blast rate that heat treatment kiln needs is different,
Therefore zonal control is carried out to hot blast rate in kiln, ensures the reasonable of kiln temperature distribution.
Utility model content
The purpose of this utility model is to provide a kind of tunnel type magnesia fire-protecting wall leaching salt heat treatment kiln, by setting into and out of
Mouth preparation room, air quantity zonal control, heated air circulation device etc. ensure the thermal regulation needed for heat treatment kiln treatment process.
In order to achieve the above object, the utility model is realized using following technical scheme:
Salt heat treatment kiln, including heat treatment kiln body, outlet preparation room, entrance preparation room soak in tunnel type magnesia fire-protecting wall,
Difference inlet porting preparation room and outlet preparation room, will be heat-treated the entrance of kiln body at the entrance and exit of the heat treatment kiln body
It is separated with ambient atmosphere with outlet, is heat-treated between kiln body and entrance preparation room, outlet preparation room and is both provided with wicket, entrance
The outlet of the entrance and exit preparation room of preparation room is also equipped with wicket;The heat treatment kiln body is divided into several regions, each
Region is both provided with the independent regulating valve of heat supply air quantity.
The kiln interior wall both sides of the heat treatment kiln body are designed with interlayer, and side interlayer is hot wind blow zones, other side interlayer
For exhaust zone, hot wind blow zones and exhaust zone are separated according to region by partition board, the hot wind blow zones in each region are logical
Heat supply air quantity independent regulating valve connection hot blast main pipe road is crossed, the exhaust zone in each region connects exhaust gas by waste gas outlet regulating valve
Main pipeline, exhaust gas main pipeline connect chimney;Hot wind blow zones, exhaust zone and kiln body inner space are interconnected.
It is provided with adjusting aerofoil between the hot wind blow zones and kiln body inner space, in the exhaust zone and kiln body
Adjusting aerofoil is provided between portion space.
It is provided with several hot air circulation blowers at the top of the heat treatment kiln body.
Compared with prior art, the utility model has the beneficial effects that:
1) product in heat treatment kiln needs moisture content different in different zones, it is desirable that rate of drying it is also different, by right
The subregion of different zones temperature and air quantity controls in heat treatment kiln, to accomplish the control to product moisture drying speed, solution
The volatilization of heat treatment kiln of having determined entrance area moisture content is slow, the problem of easily causing product aquation.
2) Temperature Distribution is reasonable in heat treatment kiln, and the thermal regulation to entering kiln, which reaches, more accurately to be controlled, to make heat
The quality of product obtains effective guarantee in processing kiln.
3) heat treatment kiln controls wicket lifting sequence, can ensure in heat treatment kiln not by the way that preparation room is arranged
It can be because the entrance and release of kiln car cause temperature and pressure to have larger fluctuation.
Description of the drawings
Fig. 1 is the system layout of the utility model.
Fig. 2 is the facade layout drawing of the utility model.
Fig. 3 is the side elevation view of the utility model.
In figure:1-entrance preparation room;2-heat treatment kiln bodies;3-outlet preparation rooms;4-entrance preparation room wickets;5—
Heat treatment kiln entrance wicket;6-heat treatment kilns export wicket;7-outlet preparation room wickets;8-pressure fan;9-exhaust blowers;
10-circulating fans;11-chimneys;12- hot winds blow zones;13- adjusts aerofoil;14- adds sandpipe;The exhaust zones 15-;16- hot winds into
Air port;17- exhaust gas air outlets.
Specific implementation mode
Specific embodiment of the present utility model is described further below in conjunction with the accompanying drawings:
See that Fig. 1-Fig. 3, tunnel type magnesia fire-protecting wall soak salt heat treatment kiln, including is heat-treated kiln body 2, outlet preparation room 3, enters
Mouth preparation room 1, difference inlet porting preparation room 1 and outlet preparation room 3 at the entrance and exit of the heat treatment kiln body 2, by
The entrance and exit of heat treatment kiln body 2 is separated with ambient atmosphere, heat treatment kiln body 2 and entrance preparation room 1, outlet preparation room 3
Between be both provided with wicket, the outlet of the entrance and exit preparation room 3 of entrance preparation room 1 is also equipped with wicket;The heat treatment
Kiln body 2 is divided for several regions, and each region is both provided with the independent regulating valve of heat supply air quantity, and the heat supply air quantity in each region is independent
It adjusts.
It is able to accommodate a kiln car in entrance preparation room 1 and outlet preparation room 3, two preparation rooms will be in heat treatment kiln
Portion's environment separates with atmosphere outside, can effectively reduce the fluctuation of kiln temperature and pressure.When heat treatment kiln entrance wicket 5
Or heat treatment kiln outlet wicket 6 closes entrance preparation room wicket 4 or outlet preparation room wicket 7 when opening, prevent extraneous air into
Enter in heat treatment kiln, kiln temperature is impacted.
The kiln interior wall both sides of the heat treatment kiln body 2 are designed with interlayer, and side interlayer is hot wind blow zones 12, other side folder
Layer is exhaust zone 15, is separated hot wind blow zones 12 and exhaust zone 15 according to region by partition board, the hot wind in each region
Blow zones 12 connect hot blast main pipe road by the independent regulating valve of heat supply air quantity, and the exhaust zone 15 in each region passes through waste gas outlet tune
It saves valve and connects exhaust gas main pipeline, exhaust gas main pipeline connects chimney 11;Hot wind blow zones 12, exhaust zone 15 and kiln body inner space phase
It is intercommunicated.
Be provided between the hot wind blow zones 12 and kiln body inner space adjust aerofoil 13, the exhaust zone 15 with
It is provided between kiln body inner space and adjusts aerofoil 13.
It will be set as a region per 1-3 parking stall, between the hot wind blow zones 12 in each region between exhaust zone 15
It is separated by partition board, a hot air inlet 16 and an exhaust gas air outlet 17 is provided with above each parking stall, in hot wind
It is provided with volume damper on air inlet 16 and exhaust gas air outlet 17, and is ultimately connected to hot blast main pipe road and exhaust gas main pipeline
On.
It is heat-treated in the both sides interlayer of kiln body 2 and is provided with partition board, kiln body air inlet, air draft are respectively divided into several regions, often
A region air inlet, air draft can be adjusted individually, it is ensured that hot wind air quantity between preheating zone, heat treatment band and cooling zone can be with
It individually adjusts, will not interfere with each other.Hot wind enters hot air inlet 17 by dry blast machine 8, and is sent by adjusting aerofoil 13
Enter in heat treatment kiln, undertake the heat supply of certain area, product in kiln is heat-treated.
The top of the heat treatment kiln body 2 is provided with several hot air circulation blowers 10.
The kiln top for being heat-treated kiln body 2 is provided with 3 hot air circulation blowers 10, ensures that kiln temperature is evenly distributed.Heat treatment
Exhaust gas later is expelled from kiln simultaneously via the adjusting aerofoil 13 and exhaust gas air outlet 17 of 15 side of exhaust zone by dry exhaust blower 9
It is sent to chimney 11.Hot wind and exhaust gas are all made of quantitative control system and automatically control.
Heat treatment kiln uses negative-pressure operation, is conducive to improve kiln condition, reduces radiation loss, and it is dry to improve product for environmental protection
Dry speed obtains the magnesia fireproof tile product of high quality.
A kind of heat treatment process of heat treatment kiln, which is characterized in that specific as follows:
1) when kiln car enters heat treatment kiln, kiln car is introduced into entrance preparation room 1, at this time entrance preparation room 1 and heat treatment kiln
Wicket (heat treatment kiln entrance wicket 1) between body 2 is closed, and prevents cool exterior air from entering heat treatment kiln body 2, entrance is prepared
After the entrance wicket (entrance preparation room wicket 4) of room 1 is closed, then kiln car is sent into and is heat-treated kiln body 2;Kiln car releases heat treatment kiln
When, outlet preparation room exports wicket (outlet preparation room wicket 7) and closes, and kiln car is exported preparation room 3 from the heat treatment push-in of kiln body 1
Heat treatment kiln body 1 is closed afterwards and exports the wicket (heat treatment kiln exports wicket 6) between preparation room, prevents cool exterior air from entering
It is heat-treated kiln body 2, then kiln car is released into outlet preparation room 3;
2) the heat supply air quantity in each region is individually controlled, hot wind is individually adjusted by heat supply air quantity enters hot wind
Blow zones 12, and be sent into heat treatment kiln by the adjusting aerofoil 13 of 12 side of hot wind blow zones, the heat supply in the region is undertaken, to kiln
Interior product is heat-treated;
3) hot air circulation blower 10 on kiln top, ensures that kiln temperature is evenly distributed;Exhaust gas after heat treatment, via air draft
The adjusting aerofoil 13 and waste gas outlet regulating valve of 15 side of area, expel from kiln and are sent to chimney 11.
Embodiment 1:
Be heat-treated (orientation shown in Fig. 1, Fig. 2) totally 6 parking stalls from left to right of kiln body 2, each two parking stall be an air-supply,
The both sides in air draft region, kiln body are respectively hot-wind inlet side interlayer (hot wind blow zones 12) and waste gas outlet side interlayer (exhaust zone
15) it is provided with a hot air inlet 16 and an exhaust gas air outlet 17 above each parking stall of, kiln body, the two of heat treatment kiln
It is provided with partition board in the interlayer of side, ensures that the hot wind air quantity in each region of heat treatment kiln can be adjusted individually, will not interfere with each other.Heat
Wind enters hot air inlet 16 by pressure fan 8, and is sent into heat treatment kiln body 2 by the adjusting aerofoil 13 of hot-wind inlet side,
The heat supply for undertaking certain area is heat-treated product in kiln.The kiln top for being heat-treated kiln body 2 is provided with 3 circulating fans 10,
Ensure that kiln temperature is evenly distributed.Exhaust gas after heat treatment, via the adjusting aerofoil 13 and exhaust gas air outlet of 15 side of exhaust zone
17, it is expelled from kiln by exhaust blower 9 and is sent to chimney 11.
Entrance preparation room 1 and outlet preparation room 3 are respectively set before and after being heat-treated kiln body 2, and by preparing entrance
The control of the operation order of compartment kiln door 4, heat treatment kiln entrance wicket 5, heat treatment kiln outlet wicket 6, outlet preparation room wicket 7,
Ensure that the hot gas in heat treatment kiln body 2 will not have temperature and pressure wave in wide range because of the entrance and release of kiln car
It is dynamic.Kiln car enters entrance preparation room 1 via entrance preparation room wicket 4, closes entrance preparation room wicket 4 and outlet preparation room wicket
7, it opens heat treatment kiln entrance wicket 5 and heat treatment kiln exports wicket 6, the kiln car in entrance preparation room 1 is pushed into heat treatment kiln
In body 2, heat treatment kiln entrance wicket 5 is closed, while last kiln car being heat-treated in kiln body 2 is dragged into outlet preparation room
It in 3, closes heat treatment kiln and exports wicket 6, open entrance preparation room wicket 4 and outlet preparation room wicket 7, kiln car is promoted into entrance
Preparation room 1 is simultaneously hauled out the kiln car in preparation room 3 is exported, and so far a working cycles terminate.
Described above is only this patent preferred embodiment, not makees any type of limitation to this patent, it is every according to
According to the technical spirit of this patent to any modification, equivalent variations and modification made by above example, protected in the art of this patent
Within the scope of shield scheme.
Claims (4)
1. salt heat treatment kiln is soaked by tunnel type magnesia fire-protecting wall, which is characterized in that including heat treatment kiln body, outlet preparation room, entrance
Preparation room, difference inlet porting preparation room and outlet preparation room, will be heat-treated at the entrance and exit of the heat treatment kiln body
The entrance and exit of kiln body is separated with ambient atmosphere, is heat-treated between kiln body and entrance preparation room, outlet preparation room and is respectively provided with
There are wicket, the outlet of the entrance and exit preparation room of entrance preparation room to be also equipped with wicket;The heat treatment kiln body is divided into several
A region, each region are both provided with the independent regulating valve of heat supply air quantity.
2. salt heat treatment kiln is soaked by tunnel type magnesia fire-protecting wall according to claim 1, which is characterized in that the heat treatment kiln
The kiln interior wall both sides of body are designed with interlayer, and side interlayer is hot wind blow zones, and other side interlayer is exhaust zone, will be hot by partition board
Wind blow zones and exhaust zone are separated according to region, and the hot wind blow zones in each region are connected by the independent regulating valve of heat supply air quantity
Hot blast main pipe road is connect, the exhaust zone in each region connects exhaust gas main pipeline, the connection of exhaust gas main pipeline by waste gas outlet regulating valve
Chimney;Hot wind blow zones, exhaust zone and kiln body inner space are interconnected.
3. salt heat treatment kiln is soaked by tunnel type magnesia fire-protecting wall according to claim 2, which is characterized in that sent in the hot wind
It is provided with adjusting aerofoil between wind area and kiln body inner space, adjusting is provided between the exhaust zone and kiln body inner space
Aerofoil.
4. salt heat treatment kiln is soaked by tunnel type magnesia fire-protecting wall according to claim 1, which is characterized in that in the heat treatment
Several hot air circulation blowers are provided at the top of kiln body.
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CN201721784586.0U CN207741543U (en) | 2017-12-19 | 2017-12-19 | Salt heat treatment kiln is soaked by tunnel type magnesia fire-protecting wall |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107940990A (en) * | 2017-12-19 | 2018-04-20 | 中冶焦耐(大连)工程技术有限公司 | Salt heat treatment kiln and technique are soaked by tunnel type magnesia fire-protecting wall |
CN116147361A (en) * | 2023-01-03 | 2023-05-23 | 湖南省长宁炭素股份有限公司 | Intelligent roasting system and control method thereof |
EP4212810A4 (en) * | 2021-01-20 | 2024-04-03 | Cinoapex Thermo Tech Suzhou Co Ltd | Multi-channel wheel-rail tunnel kiln |
-
2017
- 2017-12-19 CN CN201721784586.0U patent/CN207741543U/en active Active
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107940990A (en) * | 2017-12-19 | 2018-04-20 | 中冶焦耐(大连)工程技术有限公司 | Salt heat treatment kiln and technique are soaked by tunnel type magnesia fire-protecting wall |
EP4212810A4 (en) * | 2021-01-20 | 2024-04-03 | Cinoapex Thermo Tech Suzhou Co Ltd | Multi-channel wheel-rail tunnel kiln |
CN116147361A (en) * | 2023-01-03 | 2023-05-23 | 湖南省长宁炭素股份有限公司 | Intelligent roasting system and control method thereof |
CN116147361B (en) * | 2023-01-03 | 2023-11-21 | 湖南省长宁炭素股份有限公司 | Intelligent roasting system and control method thereof |
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