CN209636121U - A kind of limekiln air inlet heat-exchange device - Google Patents
A kind of limekiln air inlet heat-exchange device Download PDFInfo
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- CN209636121U CN209636121U CN201920152045.9U CN201920152045U CN209636121U CN 209636121 U CN209636121 U CN 209636121U CN 201920152045 U CN201920152045 U CN 201920152045U CN 209636121 U CN209636121 U CN 209636121U
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Abstract
The utility model discloses a kind of limekiln air inlet heat-exchange devices, it includes heat exchanger and cyclone separator, the heat exchanger includes heat exchanger body, it is provided with mutually different cold air duct and hot-flow flue in heat exchanger body, the cold wind import pipe of connection cold air duct is provided on heat exchange ontology with cold wind outlet and is connected to the hot wind inlet pipe and hot-blast outlet pipe of hot-flow flue；Cyclone separator is set up vertically, which has a blast pipe, and hot-blast outlet pipe upwardly extends along the vertical direction, one is connected between hot-blast outlet pipe and the blast pipe of cyclone separator and contacts air hose.It can be completed at the same time the thermal energy recycling to flue gas produced by limekiln using the utility model and subtract dirt and handle, energy consumption can not only be reduced, the mud handling capacity in subsequent desulfurization process process can also be reduced, reuse wherein is carried out in the additive that the separated particulate matter out of cyclone separator is also used as concrete, reduces the wasting of resources.
Description
Technical field
The utility model relates to for limekiln air draft heat recovery and subtract the heat-exchanger rig of dirt.
Background technique
In lime manufacturing process, need to calcine lime stone using limekiln, generated cigarette in calcination process
Gas in addition to containing a large amount of flue dust, also contains a large amount of thermal energy, in part producing from the flue discharge at the top of limekiln, flue gas
Enterprise, these flue gases are still directly entered desulfurization process process, and a large amount of thermal energy therein are wasted, and due to not carrying out depositing dust first
Processing, increases the mud handling capacity of desulfurization process process.
Utility model content
For the recycling for improving thermal energy in flue gas, and during reducing desulfurization process, the excessive problem of Dust Capacity, this is practical new
Type proposes a kind of limekiln air inlet heat-exchange device,
A kind of limekiln air inlet heat-exchange device comprising heat exchanger and cyclone separator, the heat exchanger include heat exchanger sheet
Body is provided with mutually different cold air duct and hot-flow flue in heat exchanger body, is provided with connection cold air duct on heat exchange ontology
Cold wind import pipe with cold wind outlet and be connected to the hot wind inlet pipe and hot-blast outlet pipe of hot-flow flue；Cyclone separator is perpendicular
It directly sets up, which has a blast pipe, and hot-blast outlet pipe upwardly extends along the vertical direction, in hot-blast outlet pipe and rotation
A connection air hose is connected between the blast pipe of wind separator.
When the utility model at work, it is entered in cold air duct through cold wind import pipe first as the cold air of fresh air, with
Flue gas in hot-flow flue exchanges heat, and improves the temperature of fresh air, and the fresh air for completing heat exchange enters kiln from the bottom in limekiln
It is interior.The flue gas being discharged from the top in limekiln enters in hot-flow flue through hot wind inlet pipe, subsequent with the heat exchange of fresh air in completion
It is continuous upward along connection air hose, it is then entered in cyclone separator through blast pipe, the part in cyclone separator in flue gas
Grain object can be deposited to bottom, after cyclone separator is discharged in the flue gas of separate section particulate matter, enter the progress of desulfurization process process
Desulfurization process.
It can be completed at the same time the thermal energy recycling to flue gas produced by limekiln using the utility model and subtract dirt and handle, not only
Energy consumption can be reduced, the mud handling capacity in subsequent desulfurization process process can also be reduced, wherein in cyclone separator
The additive that separated particulate matter out is also used as concrete carries out reuse, reduces the wasting of resources.
To reduce windage, above-mentioned connection air hose is a straight tube, which is obliquely installed.Preferably, the connection air hose
Gradient relative to vertical direction is 20-45 °.Flue gas can be effectively reduced in flow process in the elbow for avoiding wide-angle
In resistance, to reduce the energy consumption of flue gas blower.
Specifically, which includes upper boxboard opposing upper and lower and lower boxboard, is pacified between upper boxboard and lower boxboard
Equipped with heat exchanger tube, which, which extends upward through, is connected to hot-blast outlet pipe after boxboard, and heat exchanger tube after lower boxboard downward through being connected to
Hot wind inlet pipe.Heat exchanger tube is arranged substantially vertically in the setting, it is possible to reduce dust is in heat exchanger tube in flue gas
Deposition, guarantees the service life of heat exchanger tube.
Specifically, including air duct and the separation cone for being connected to air duct lower end, dust outlet is formed in the bottom end of separation cone；Wind
Cylinder is cylindrical, the exhaust pipe of open at both ends is equipped on air duct, which extends along the vertical direction, under exhaust pipe
End is extend into air duct, and the upper end of exhaust pipe upwardly extends and stretches out the top of air duct；Tangential connection wind of the blast pipe along air duct
The inner cavity of cylinder.
To guarantee that flue gas successfully forms whirlpool after entering in air duct, between the bottom and the top for separating cone of air duct
With distance.After above-mentioned distance is set, flue gas can be effectively avoided after entering air duct, the partial fume spread downwards is vertical
It enters in separation cone, and influences the separating effect of particulate matter in flue gas, the setting of above-mentioned distance, it is possible to reduce flue gas is immediately
The amount in separation cone is entered, whole flue gases is made to form whirlpool as far as possible.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of an embodiment of the present invention.
Specific embodiment
Refering to fig. 1,
A kind of limekiln air inlet heat-exchange device comprising heat exchanger 10 and cyclone separator 30, the heat exchanger 10 include changing
Hot device ontology, which includes upper boxboard 11 opposing upper and lower and lower boxboard 17, between upper boxboard 11 and lower boxboard 17
Heat exchanger tube 12 is installed, which extends upward through and is connected to hot-blast outlet pipe 16 after boxboard 11, heat exchanger tube 12 downward through
Hot wind inlet pipe 15 is connected to after lower boxboard 17.
Channel in heat exchanger tube forms hot-flow flue, and the space between heat exchanger tube forms cold air duct, i.e., in heat exchanger body
It is provided with mutually different cold air duct and hot-flow flue.Cold wind import pipe 13 and cold wind outlet 14 are separately positioned on heat exchanger body
Two sides, and be connected to cold air duct.
Cyclone separator 30 is set up vertically comprising air duct 31 and the separation cone 32 for being connected to 31 lower end of air duct are separating
The bottom end of cone forms dust outlet 34；Air duct 31 is cylindrical, and the exhaust pipe 33 of open at both ends, the row are equipped on air duct
Tracheae 33 extends along the vertical direction, and the lower end of exhaust pipe is extend into air duct 31, and the upper end of exhaust pipe upwardly extends and stretches out wind
The top 311 of cylinder；Blast pipe 35 is along the inner cavity of the tangential connection air duct of air duct 31.
Hot-blast outlet pipe 16 upwardly extends along the vertical direction, hot-blast outlet pipe 16 and cyclone separator blast pipe 35 it
Between be connected with a connection air hose 21.The connection air hose 21 is a straight tube, and is obliquely installed.Specifically in the present embodiment, the connection
Angle α between air hose and vertical direction is 30 °, i.e., connection air hose is 30 ° relative to the gradient of vertical direction.It can manage
In other embodiments, which can also be 20 °, 25 ° or 40 ° to solution.
For guarantee flue gas eddy flow is successfully formed in air duct, between the bottom and the top for separating cone of air duct have away from
From H, in the present embodiment, distance H accounts for the 20% of the total height of air duct, and in other embodiments, distance H accounts for the total height of air duct
Accounting can specifically be selected between 15-25%, with reduce to the greatest extent flue gas enter directly into separation cone in amount, protect
Demonstrate,prove the separative efficiency of dust in flue gas.
Claims (6)
1. a kind of limekiln air inlet heat-exchange device, which is characterized in that including heat exchanger and cyclone separator, which includes changing
Hot device ontology, is provided with mutually different cold air duct and hot-flow flue in heat exchanger body, is provided with connection on heat exchange ontology
The cold wind import pipe of cold air duct is with cold wind outlet and is connected to the hot wind inlet pipe and hot-blast outlet pipe of hot-flow flue；
Cyclone separator is set up vertically, which has a blast pipe, and hot-blast outlet pipe upwardly extends along the vertical direction,
It is connected with one between hot-blast outlet pipe and the blast pipe of cyclone separator and contacts air hose.
2. limekiln air inlet heat-exchange device according to claim 1, which is characterized in that above-mentioned connection air hose is a straight tube,
The connection air hose is obliquely installed.
3. limekiln air inlet heat-exchange device according to claim 2, which is characterized in that the connection air hose is relative to vertical side
To gradient be 20-45 °.
4. limekiln air inlet heat-exchange device according to claim 1, which is characterized in that the heat exchange ontology includes opposite up and down
Upper boxboard and lower boxboard, heat exchanger tube is installed between upper boxboard and lower boxboard, which connects after extending upward through boxboard
Logical hot-blast outlet pipe, heat exchanger tube is downward through connection hot wind inlet pipe after lower boxboard.
5. limekiln air inlet heat-exchange device according to claim 1, which is characterized in that including air duct and be connected under air duct
The separation at end is bored, and forms dust outlet in the bottom end of separation cone；Air duct is cylindrical, and open at both ends is equipped on air duct
Exhaust pipe, the exhaust pipe extend along the vertical direction, and the lower end of exhaust pipe is extend into air duct, and the upper end of exhaust pipe upwardly extends simultaneously
Stretch out the top of air duct；Blast pipe is along the inner cavity of the tangential connection air duct of air duct.
6. limekiln air inlet heat-exchange device according to claim 5, which is characterized in that the bottom of air duct and the top for separating cone
There is distance between portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920152045.9U CN209636121U (en) | 2019-01-28 | 2019-01-28 | A kind of limekiln air inlet heat-exchange device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920152045.9U CN209636121U (en) | 2019-01-28 | 2019-01-28 | A kind of limekiln air inlet heat-exchange device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209636121U true CN209636121U (en) | 2019-11-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920152045.9U Active CN209636121U (en) | 2019-01-28 | 2019-01-28 | A kind of limekiln air inlet heat-exchange device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112456822A (en) * | 2020-11-05 | 2021-03-09 | 杨恒武 | Production process of finished lime |
-
2019
- 2019-01-28 CN CN201920152045.9U patent/CN209636121U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112456822A (en) * | 2020-11-05 | 2021-03-09 | 杨恒武 | Production process of finished lime |
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