CN208983854U - A kind of compound kiln of splitlevel energy conservation - Google Patents
A kind of compound kiln of splitlevel energy conservation Download PDFInfo
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- CN208983854U CN208983854U CN201821372532.8U CN201821372532U CN208983854U CN 208983854 U CN208983854 U CN 208983854U CN 201821372532 U CN201821372532 U CN 201821372532U CN 208983854 U CN208983854 U CN 208983854U
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- flue
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Abstract
The utility model belongs to Industrial Stoves field, disclose a kind of compound kiln of splitlevel energy conservation, including the low case of kiln, kiln high case, cold wind unit and combustion-supporting hot-blast pipe line, the low lower box part of the kiln is provided with the first kiln inner flue, the high lower box part of kiln is provided with the second kiln inner flue, differential thermal pathways are provided between the first kiln inner flue and the second kiln inner flue, first kiln inner flue and the second kiln inner flue are respectively connected with kiln external flue, heat exchanger is provided in each kiln external flue, respectively first heat exchanger and second heat exchanger, it is connected between first heat exchanger and second heat exchanger by cold wind unit；The combustion-supporting hot-blast pipe line is made of annular coil pipe, and the low case of the kiln and kiln high case surrounding are respectively connected with annular coil pipe, and the annular coil pipe on annular coil pipe and kiln high case on the low case of kiln is mutual connection.The utility model increases the setting of kiln height case on the basis of conventional heat exchanger, has the function of that hot wind is shared, energy-efficient.
Description
Technical field
The utility model relates to technical field of industrial furnaces, the in particular to a kind of compound kiln of splitlevel energy conservation.
Background technique
China's high temperature kiln fractional energy savings is low and service life is short, and efficiency of energy utilization is not high, and the kiln construction period is fast, resource
Consumption is big.Industry Branch energy-output ratio accounts for the 70% of national total energy consumption, wherein consumed in all types of industries kiln
The energy account for about 1/3.But the Industrial Stoves in China, compared with the industrial furnace of developed country, kiln is averaged the thermal efficiency than state
Outer 20% or so, national Industrial Stoves are as can average energy conservation 10%, then the energy saved is equivalent to 100,000,000 tons of standard coals, it is seen that work
The energy-saving potential of industry kiln is very huge.
Industrial Stoves are divided into continous way, semi continuous and periodic kilns the kiln by operating method.The kiln that this programme is related to is
Periodic kilns the kiln, existing periodic kilns the kiln be all it is independently operated, operation period by loading of kiln, heating, heat preservation, cooling, go out
Kiln, the composition such as unload kiln, successively work intermittently, again and again, at present using it is more be down-draft kiln and shuttle kiln, have and build
The low advantages such as fast of going into operation of expense are made, although scheduling of production is flexible, the disadvantage is that (tunnel oven, pushes away roller kilns compared with continous way kiln
Plate kiln etc.) low output, especially energy consumption high thermal efficiency be low, since heat accumulation of kiln is big, each period will heat kiln body,
Heat release, therefore an energy-efficient Industrial Stoves are designed with biggish meaning.
Summary of the invention
The purpose of this utility model is that: in view of the deficiencies of the prior art, the compound kiln of a kind of splitlevel energy conservation provided is remaining
Recuperation of heat utilization rate is high, saves the burning energy consumption of natural gas, reduces energy loss, have the function of energy-efficient.
In order to solve the above technical problems, the technical solution adopted in the utility model is:
A kind of compound kiln of splitlevel energy conservation, including the low case of kiln, kiln high case, cold wind unit and combustion-supporting hot-blast pipe line, institute
It states the low lower box part of kiln and is provided with the first kiln inner flue, the high lower box part of kiln is provided with the second kiln inner flue, and described first
Differential thermal pathways, the first kiln inner flue and the second kiln inner flue are provided between kiln inner flue and the second kiln inner flue
It is respectively connected with kiln external flue, heat exchanger is provided in each kiln external flue, respectively first heat exchanger and the second heat is handed over
Parallel operation is connected between the first heat exchanger and second heat exchanger by cold wind unit；The combustion-supporting hot air pipe Routing Loop
Shape coil pipe composition, the low case of the kiln and kiln high case surrounding are respectively connected with the annular coil pipe, the ring on the low case of the kiln
Annular coil pipe on shape coil pipe and the kiln high case is mutual connection.
Due to the adoption of the above technical scheme, kiln cabinet is formed by two height box body combinations, and staggered floor designs on position, with
And height lower box part flue connection, and the communication passage is arranged to the differential thermal pathways with tilt angle, first kiln
The waste heat generated after low case combustion heating is independently collected to kiln high case by differential thermal pathways, to the kiln body of kiln high case
It is preheated with product, is then burnt again to kiln high case, combustion air passes through the heat exchanger on kiln external flue for cold wind
It is converted into hot wind, is mixed and burned into kiln and natural gas, realizes that hot wind is shared between two cabinets.
It further include UTILIZATION OF VESIDUAL HEAT IN general pipeline, first heat exchanger side and the second heat as the optimal technical scheme of the utility model
Exchanger side is all connected on UTILIZATION OF VESIDUAL HEAT IN general pipeline, and the second heat exchanger other side is connected with chimney by air-introduced machine,
The first heat exchanger side is connected with waste heat fan.Waste heat after combustion of natural gas utilizes in kiln body is largely introduced to dry
Green body is dried in dry workshop, and heat recovery is high.
As the optimal technical scheme of the utility model, if being provided with dry combustion method in the low case of the kiln and the kiln high case
Mouth, it is each annular coil pipe on be equipped with several laterals, each burner is correspondingly connected with the lateral.It is described
It is uniformly arranged multiple row burner in the low case of kiln and the kiln high case, the lateral being correspondingly connected on annular coil pipe, each column are burnt
Mouth and natural gas are mixed into kiln burning in proportion, improve efficiency of combustion.
As the optimal technical scheme of the utility model, the tilt angle of the differential thermal pathways is 8-15 °.Optimum tilt
Angle is 10 °, and the utility model is not limited to the range of tilt angles, and specific tilt angle can be depending on kiln practical layout.
As the optimal technical scheme of the utility model, the difference in height of the low case of kiln and the kiln high case is 1-1.5m.
In conclusion by adopting the above-described technical solution, the beneficial effects of the utility model are:
1, the utility model kiln cabinet is formed by two height box body combinations, staggered floor design and height lower box part on position
Flue connection, and the communication passage is arranged to the differential thermal pathways with tilt angle, and heat can be achieved between two cabinets
Wind is shared；The waste heat generated after the low case combustion heating of kiln first is independently collected to kiln high case by differential thermal pathways,
The kiln body and product of kiln high case are preheated, then burnt again to kiln high case, first, high case is before burning by low
The waste heat of case preheats in advance, burning when save fuel, haved the function that it is energy-efficient, second, kiln high case helps
Cold wind is converted into hot wind by the second heat exchanger on kiln external flue by combustion cold wind, is returned mixed with natural gas in kiln high case
Combination burning again achieves energy-efficient effect.The utility model is compared to conventional batch kiln, on the basis of using heat exchange
Increase height case arrangement, inclined differential thermal pathways etc. realize hot wind hot gas shared model, while reaching energy-efficient.
2, the waste heat after combustion of natural gas utilizes in kiln body is largely introduced to drying plant and green body is dried, waste heat
It recycles high.
Detailed description of the invention
Fig. 1 is a kind of schematic view of the front view of the compound kiln of splitlevel energy conservation of the utility model；
Fig. 2 is the line A-A cross-sectional view along Fig. 1；
In figure, the low case of 1- kiln, 2- annular coil pipe, 3- kiln high case, 4- the first kiln inner flue, 5- the second kiln inner flue,
6- kiln external flue, 7- cold wind unit, 8- first heat exchanger, 9- second heat exchanger, 10- waste heat fan, 11- air-introduced machine, 12-
Chimney, the differential thermal pathways of 13- UTILIZATION OF VESIDUAL HEAT IN general pipeline, 14-, 15- burner, 16- lateral.
Specific embodiment
Specific embodiment of the present utility model is described further with reference to the accompanying drawing.It should be noted that
The explanation of these embodiments is used to help to understand the utility model, but does not constitute the restriction to the utility model.This
Outside, technical characteristic involved in the various embodiments of the present invention described below is as long as they do not conflict with each other
It can be combined with each other.
As shown in Figure 1 and Figure 2, the compound kiln of a kind of splitlevel energy conservation, including the low case 1 of kiln, kiln high case 3, cold wind unit 7
With combustion-supporting hot-blast pipe line, low 1 lower part of case of the kiln is provided with the first kiln inner flue 4, and 3 lower part of kiln high case is provided with
Two kiln inner flues 5, are provided with differential thermal pathways 14 between the first kiln inner flue 4 and the second kiln inner flue 5, and described
One kiln inner flue 4 and the second kiln inner flue 5 are respectively connected with kiln external flue 6, are provided with heat exchanger in each kiln external flue 6,
Respectively first heat exchanger 8 and second heat exchanger 9, by cold between the first heat exchanger 8 and second heat exchanger 9
Blower fan group 7 connects；The combustion-supporting hot-blast pipe line is made of annular coil pipe 2, and the low case 1 of the kiln and 3 surrounding of kiln high case connect
It is connected to the annular coil pipe 2, the annular coil pipe 2 on annular coil pipe 2 and the kiln high case 3 on the low case 1 of the kiln is phase
Mutual connection.
In the present embodiment, kiln cabinet is formed by two height box body combinations, staggered floor design and height case on position
Underflue connection, and the communication passage is arranged to the differential thermal pathways 14 with tilt angle, the low case 1 of kiln first fires
The waste heat that generates independently collects to kiln high case 3 by differential thermal pathways 14 after burning heating, to the kiln body of kiln high case 3 with
Product is preheated, and is then burnt again to kiln high case 3, and combustion air passes through the heat exchanger on kiln external flue 6 for cold wind
It is converted into hot wind, is mixed and burned into kiln and natural gas, realizes that hot wind is shared between two cabinets.
Preferred embodiment in the present embodiment, as shown in Figure 1, further including UTILIZATION OF VESIDUAL HEAT IN general pipeline 13, first heat exchanger 8
Side and 9 side of second heat exchanger are all connected on UTILIZATION OF VESIDUAL HEAT IN general pipeline 13, and 9 other side of second heat exchanger is by drawing
Blower 11 is connected with chimney 12, and 9 side of first heat exchanger is connected with waste heat fan 10.Combustion of natural gas utilizes in kiln body
Waste heat afterwards is largely introduced to drying plant and green body is dried, and heat recovery is high.
Preferred embodiment in the present embodiment, as shown in Fig. 2, being all provided in the low case 1 of the kiln and the kiln high case 3
Several burners 15 are equipped with, are equipped with several laterals 16 on each annular coil pipe 2, each burner 15 is correspondingly connected with one
The lateral 16.It is uniformly arranged multiple row burner 15 in the low case 1 of kiln and the kiln high case 3, is correspondingly connected with annular
Lateral 16 on coil pipe 2, each column burner 15 are mixed into kiln burning with natural gas in proportion, improve efficiency of combustion.
Preferred embodiment in the present embodiment, the tilt angle of the differential thermal pathways 14 are 8-15 °.Most preferably incline
Rake angle is 10 °, and the utility model is not limited to the range of tilt angles, specific tilt angle can according to kiln practical layout and
It is fixed.
The difference in height of preferred embodiment in the present embodiment, the low case 1 of kiln and the kiln high case 3 is 1-
1.5m.It is specific implement to use during preferably 1m or 1.5m or range in a certain height difference, can be according to on-site actual situations
Depending on layout.
For the present embodiment, inventor did following test, and natural gas used in the low case of individually operated kiln is every kiln
8320 cubes, natural gas used in individually operated kiln high case is 9860 cubes of every kiln, by kiln high case case two low with kiln
It is 14420 cubes of every kiln, in contrast, the compound kiln section of the present embodiment staggered floor that person, which combines and forms natural gas used in the compound kiln of staggered floor,
Energy effect is up to 20.68%, compared to conventional batch kiln, has and improves yield, energy utilization rate height, heat recovery
Rate height and other effects.
The embodiments of the present invention is explained in detail in conjunction with attached drawing above, but the utility model is not limited to be retouched
The embodiment stated.For a person skilled in the art, right in the case where not departing from the utility model principle and spirit
These embodiments carry out a variety of change, modification, replacement and modification, still fall in the protection scope of the utility model.
Claims (5)
1. a kind of compound kiln of splitlevel energy conservation, it is characterised in that: including the low case of kiln, kiln high case, cold wind unit and combustion-supporting heat
Air pipe line, the low lower box part of the kiln are provided with the first kiln inner flue, and the high lower box part of kiln is provided with the second kiln inner flue,
Differential thermal pathways, the first kiln inner flue and second are provided between the first kiln inner flue and the second kiln inner flue
Kiln inner flue is respectively connected with kiln external flue, is provided with heat exchanger in each kiln external flue, respectively first heat exchanger and
Second heat exchanger is connected between the first heat exchanger and second heat exchanger by cold wind unit；The combustion-supporting hot wind
Pipeline is made of annular coil pipe, and the low case of the kiln and kiln high case surrounding are respectively connected with the annular coil pipe, and the kiln is low
The annular coil pipe on annular coil pipe and the kiln high case on case is mutual connection.
2. a kind of compound kiln of splitlevel energy conservation according to claim 1, it is characterised in that: it further include UTILIZATION OF VESIDUAL HEAT IN general pipeline,
First heat exchanger side and second heat exchanger side are all connected on UTILIZATION OF VESIDUAL HEAT IN general pipeline, and the second heat exchanger is another
Side is connected with chimney by air-introduced machine, and the first heat exchanger side is connected with waste heat fan.
3. a kind of compound kiln of splitlevel energy conservation according to claim 1, it is characterised in that: the low case of kiln and the kiln
It is provided with several burners in furnace high case, several laterals are equipped on each annular coil pipe, each burner is corresponding to be connected
Connect the lateral.
4. a kind of compound kiln of splitlevel energy conservation according to claim 1, it is characterised in that: the differential thermal pathways
Tilt angle is 8-15 °.
5. a kind of compound kiln of splitlevel energy conservation according to claim 1, it is characterised in that: the low case of kiln and the kiln
The difference in height of furnace high case is 1-1.5m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821372532.8U CN208983854U (en) | 2018-08-23 | 2018-08-23 | A kind of compound kiln of splitlevel energy conservation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821372532.8U CN208983854U (en) | 2018-08-23 | 2018-08-23 | A kind of compound kiln of splitlevel energy conservation |
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| Publication Number | Publication Date |
|---|---|
| CN208983854U true CN208983854U (en) | 2019-06-14 |
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ID=66782222
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821372532.8U Expired - Fee Related CN208983854U (en) | 2018-08-23 | 2018-08-23 | A kind of compound kiln of splitlevel energy conservation |
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| CN (1) | CN208983854U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111322861A (en) * | 2020-04-09 | 2020-06-23 | 白承国 | Embedded tunnel kiln process arrangement |
-
2018
- 2018-08-23 CN CN201821372532.8U patent/CN208983854U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111322861A (en) * | 2020-04-09 | 2020-06-23 | 白承国 | Embedded tunnel kiln process arrangement |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190614 Termination date: 20210823 |
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| CF01 | Termination of patent right due to non-payment of annual fee |