CN209512569U - A kind of gas-solid heat exchange device increasing high-temperature particle bed of material voidage - Google Patents
A kind of gas-solid heat exchange device increasing high-temperature particle bed of material voidage Download PDFInfo
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- CN209512569U CN209512569U CN201822136744.2U CN201822136744U CN209512569U CN 209512569 U CN209512569 U CN 209512569U CN 201822136744 U CN201822136744 U CN 201822136744U CN 209512569 U CN209512569 U CN 209512569U
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Abstract
The utility model relates to a kind of gas-solid heat exchange devices for increasing high-temperature particle bed of material voidage, including feed control device, shaft furnace heat-exchanger rig, discharge device, separator, feed control device is arranged at the top of shaft furnace heat-exchanger rig and the two sealing is connected, shaft furnace heat-exchanger rig lower part is connected with discharge device sealing, the material outlet of discharge device is arranged in separator, air inlet is equipped in the bottom of the shaft furnace heat-exchanger rig, gas outlet is equipped on the top of shaft furnace heat-exchanger rig, one separation outlet of separator connects an entrance of feed control device by filler transport device.Compared with prior art, the utility model has the beneficial effects that air feed system operation energy consumption excessively high drawback when to the progress waste heat recycling of low porosity high temperature granular material is solved using shaft furnace process, improve system mixed economy value.The pernicious gas pollution environment of the indirect charging process discharge of Classical Shaft Furnace is solved the problems, such as simultaneously.
Description
Technical field
The utility model relates to solid material waste heat recycling field more particularly to a kind of increase high-temperature particle bed of material voidages
Gas-solid heat exchange device.
Background technique
Waste heat recycling shaft furnace process, which is that one kind is common, is carried out continuously back high temperature (500~1100 DEG C) granule materials sensible heat
The process unit received and utilized.Its mainly by feeding device, shaft furnace, discharge device, circulating fan, deduster, boiler, secondary remove
The equipment such as dirt device and section of tubing connection composition.The technique has many advantages, such as that waste heat recovery rate height, operation environmental protection are widely used,
Such as dry coke quenching technique, sintering shaft furnace technique.High-temperature solid particle is reverse with circulating cooling gas in furnace by entering at the top of shaft furnace
Convective Heat Transfer is completed in flowing, and the high-temperature gas for having fully absorbed bed of material sensible heat, which enters follow up device through shaft furnace exhaust outlet, to carry out
UTILIZATION OF VESIDUAL HEAT IN, such as generation steam or power generation, solid particle after cooling are discharged by shaft furnace bottom.
When waste heat recycling shaft furnace process operation energy consumption height depends primarily on circulating cooling gas across the solid particle bed of material
Drag size.When circulating cooling gas passes through the solid particle bed of material, narrow free air space is generated gas biggish in the bed of material
Flow resistance.Through experiment and theoretical analysis shows that, for the unit cross-sectional area bed of material by identical gas flow, identical particle is average
The porosity of partial size, the bed of material is smaller, and gas flow resistance is bigger.Therefore, the lesser high temperature of porosity is recycled using shaft furnace principle
When granule materials (such as sinter, blast furnace slag) heat, higher gas circulating resistance can be generated, system operation energy consumption mistake is caused
Height, economy decline or can not recycle.Previous shaft furnace operation is intermittent charging, red-hot after blast furnace top charging mouth is opened
Granule materials pour at the top of the shaft furnace, and charging door is re-closing off after charging, in entire charging process largely containing dust and
The gas of harmful substance is discharged into atmosphere, causes environmental pollution.
Utility model content
The utility model provides a kind of gas-solid heat exchange device for increasing high-temperature particle bed of material voidage, solves to apply shaft furnace
Air feed system operation energy consumption excessively high drawback when technique is to the progress waste heat recycling of low porosity high temperature granular material, it is comprehensive to improve system
Close economic value.The pernicious gas pollution environment of the indirect charging process discharge of Classical Shaft Furnace is solved the problems, such as simultaneously.
In order to achieve the above object, the utility model is implemented with the following technical solutions:
A kind of gas-solid heat exchange device increasing high-temperature particle bed of material voidage, including feed control device, shaft furnace heat exchange dress
It sets, discharge device, separator, feed control device is arranged at the top of shaft furnace heat-exchanger rig and the two sealing is connected, and shaft furnace changes
Thermal lower part is connected with discharge device sealing, and the material outlet of discharge device is arranged in separator, exchanges heat in the shaft furnace
The bottom of device is equipped with air inlet, is equipped with gas outlet on the top of shaft furnace heat-exchanger rig, the separation outlet of separator is logical
Cross an entrance of filler transport device connection feed control device.
The feed control device includes thermal material format feeding controller, filler format feeding controller, thermal material
The lower part discharge port of diversion trench, filler diversion trench, mixed format dispenser, thermal material format feeding controller is led by thermal material
Chute is connect with mixed format dispenser, the lower part discharge port of filler format feeding controller by filler diversion trench with mix lattice
The connection of formula dispenser.
The discharge device includes vibra feeder, format dispenser, and vibra feeder feed inlet and shaft furnace heat exchange fill
The discharge port in bottom set portion is tightly connected, and format dispenser is arranged in the lower section of vibra feeder, the outlet of format dispenser with point
Entrance from device is connected.
The separator includes material separator, belt transmission mechanism, and material separator is equipped with a mixed material
Entrance, a filler outlet and a granule materials outlet, mixed material entrance connect discharge device, the filler of material separator
Outlet and granule materials outlet are respectively arranged with belt transmission mechanism.
The filler transport device includes filling tank, filler lifting device, filler lifting device be equipped with translating device and
Lifting device, the filling tank are placed on translating device, and translating device is promoted to the upper of feed control device by lifting device
Portion.
Compared with prior art, the utility model has the beneficial effects that
The utility model is under the premise of meeting the requirement of high temperature granular material cooling technique, by adding in granule materials
Bed of material pineization filler improves particle Bed Void, reduces cooling gas circulating resistance between the unit bed of material, improves between gas-solid
Heat exchange efficiency solves and carries out fan energy consumption when waste heat recycles low porosity high temperature granular material using waste heat recycling shaft furnace process
Excessively high drawback.Although bed of material pineization filler by shaft furnace bottoms material outlet be transported to top during there are certain heat
Amount is scattered and disappeared, but the mixed economy income of final system operation will increase, and system and device is simple, is easily assembled to, and land occupation is few；
Continuous closed feeding process simultaneously will effectively prevent air environmental pollution caused by shaft furnace charging process dust loss.The party
Method is reasonable, and efficiently, equipment is succinctly easy to operate, comparatively facilitates to recycle in metallurgical process residual heat resources and promote with using technical field
Using.
Detailed description of the invention
Fig. 1 is the process system structural schematic diagram of the utility model；
Fig. 2 is filled with the airflow distribution state schematic diagram of the particle bed of material of pineization filler.
In figure: 1. feed control devices, 1.1. filler format feeding controller, 1.2. filler diversion trench, 1.3 material lattice
Formula feeding controller, 1.4 thermal material diversion trenches, 1.5 mixed format dispensers, 2. shaft furnace heat-exchanger rigs, 2.1 shaft furnaces, 2.2 outlets
Mouth, 2.3 air inlets, 3. discharge devices, 3.1 vibra feeders, 3.2 format dispensers, 4. separators, 4.1 material separators,
4.2 granule materials belt transmission agencies, 4.3 filler belt transmission agencies, 5. filler transport devices, 5.1 filling tanks, 5.2 fillers
Lifting device, 6. granule materials, gap, 8. pineization fillers, 9. air-flows around 7. pineization fillers.
Specific embodiment
Specific embodiment of the present utility model is described further with reference to the accompanying drawing:
As shown in Figure 1, a kind of gas-solid heat exchange device for increasing high-temperature particle bed of material voidage, including feed control device 1,
Shaft furnace heat-exchanger rig 2, discharge device 3, separator 4, the setting of feed control device 1 is in 2 top of shaft furnace heat-exchanger rig and the two
Sealing is connected, and 2 lower part of shaft furnace heat-exchanger rig is connected with the sealing of discharge device 3, and the material of discharge device 3 is arranged in separator 4
Outlet, is equipped with air inlet 2.3 in the bottom of the shaft furnace heat-exchanger rig 2, is equipped with gas outlet on the top of shaft furnace heat-exchanger rig 2
2.2, a separation outlet of separator 4 connects an entrance of feed control device 1 by filler transport device 5.Song Hua
Filler 8 and low-temperature solid particle are respectively collected after separation, filler conveying equipment 5 by the pineization filler 8 being collected into again
It is transported to feed control device 1 and completes a filler operation circulation.
The feed control device 1 include thermal material format feeding controller 1.3, filler format feeding controller 1.1,
Thermal material diversion trench 1.4, filler diversion trench 1.2, mixed format dispenser 1.5, the lower part of thermal material format feeding controller 1.3
Discharge port is connect by thermal material diversion trench 1.4 with mixed format dispenser 1.5, the lower part of filler format feeding controller 1.1
Discharge port is connect by filler diversion trench 1.2 with mixed format dispenser 1.5.
1.3 top feed mouth of thermal material format feeding controller is connect with thermal material trench bottom.
The discharge device 3 include vibra feeder 3.1, format dispenser 3.2,3.1 feed inlet of vibra feeder with
The discharge port of 2 bottom of shaft furnace heat-exchanger rig is tightly connected, and the lower section of vibra feeder 3.1, format is arranged in format dispenser 3.2
The outlet of dispenser 3.2 is connected with the entrance of separator 4.Mixed material enters after the flow of vibra feeder 3.1 is adjusted
Format dispenser 3.2, when format 3.2 discharge of dispenser, can play effective sealing function to furnace gas.
The separator 4 includes material separator 4.1, belt transmission mechanism, and material separator 4.1 is equipped with one and mixes
Material inlet, a filler outlet and a granule materials outlet are closed, mixed material entrance connects discharge device 3, in material point
It selects the filler of machine 4.1 to export and is respectively arranged with belt transmission mechanism with granule materials outlet.
Material separator 4.1 can use conventional linear vibrating separating sieve according to 8 features of shape of pineization filler, in vibration screening
During by mixed material pineization filler 8 and granule materials 6 carry out screening separation；Can also be had according to pineization filler 8
Some magnetization characteristics selects magnetic separation sorting machine, in mixed material pineization filler 8 and the progress magnetic separation separation of granule materials 6, divide
Material from after is discharged by respective outlet, and granule materials 6 send to feed bin through granule materials belt transmission agency 4.2 and store,
Pineization filler 8 is transported at the top of equipment after filler belt transmission agency 4.3 is sent to filling tank 5.1 and is recycled.
The filler transport device 5 includes filling tank 5.1, filler lifting device 5.2, and filler lifting device 5.2 is equipped with
Translating device and lifting device, the filling tank 5.1 are placed on translating device, and translating device is promoted to charging by lifting device
The top of control device.
Translating device can use translating trolleys, and filling tank 5.1 is placed on translating trolleys, and translating trolleys are first by filling tank
5.1 send to the outlet of filler belt transmission agency 4.3 lower section, then the filling tank 5.1 equipped with pineization filler 8 is transported to lifting device,
Lifting device can be promoted using crane, after being promoted to design height, then be moved on 1.1 entrance of filler format feeding controller
Portion after connecting 5.1 bottom discharging mouth of filling tank with the contraposition of 1.1 entrance of filler format feeding controller, opens filling tank 5.1
Bottom discharge valve completes the recycling of pineization filler 8.
Shaft furnace heat-exchanger rig 2 be closed gas-solid heat exchange device, hot mixing material by entering at the top of shaft furnace heat-exchanger rig 2,
Because the collective effect of discharge device 3 and gravity slowly moves down, and with the low-temperature circulating that is entered by 2 lower part of shaft furnace heat-exchanger rig
Cooling gas reverse flow heat exchange, gradually mixed material after cooling through discharge device 3 flow out shaft furnace heat-exchanger rig 2, into point
From device 4, the high temperature circulation gas for obtaining solid bed of material sensible heat is discharged into heat recovery units from 2 top of shaft furnace heat-exchanger rig.
It is a kind of increase high-temperature particle bed of material voidage gas-solid heat exchange device heat-exchange method, red-hot granule materials 6 from
One entrance of feed control device 1 is sent into, and pineization filler 8 is sent into from another entrance of feed control device 1, red-hot
Grain material 6 and pineization filler 8 enter in shaft furnace heat-exchanger rig 2 after uniformly mixing, and are passed through with 2 bottom of shaft furnace heat-exchanger rig
Circulating cooling gas carries out reverse flow heat exchange, and mixed material after cooling is entered by 2 bottom discharging device 3 of shaft furnace heat-exchanger rig and divided
From device 4, separator 4 by mixed material pineization filler 8 and granule materials 6 separate after respectively collected, be collected into
Pineization filler 8 feed control device 1 be re-delivered to by filler transport device 5 be recycled, absorb high-temperature particle sensible heat
High temperature circulation gas by 2 top of shaft furnace heat-exchanger rig gas outlet be discharged.
The low-temperature circulating cooling gas come from the conveying of heat recovery units blower is entered by 2 lower part air inlet of shaft furnace heat-exchanger rig
It exchanges heat with high temperature granular material reverse flow, carries the recyclegas of the mixing a large amount of sensible heats of the bed of material from shaft furnace heat-exchanger rig 2
Enter heat recovery units after portion's discharge and carries out waste heat reclaimer operation.
Embodiment 1:
Low temperature (50~200 DEG C) pineization filler 8 is packed into it by the filler format feeding controller 1.1 of feed control device 1
In, high temperature (500~1100 DEG C) low porosity granule materials 6 are filled by the material format feeding controller 1.3 of feed control device 1
Enter wherein, the ratio that two kinds of materials are 0.2~5 according to the mass ratio of pineization filler 8 and granule materials 6 is fed in mixed format
2 top of shaft furnace heat-exchanger rig is discharged into device 1.5 after evenly mixing, mixed material is because the collective effect of discharge operation and gravity is by upper
To lower slow movement, and reverse convection is carried out with the circulating cooling gas entered by 2 lower part air inlet 2.3 of shaft furnace heat-exchanger rig and is changed
Heat.As shown in Fig. 2, the voidage of the mixed material interlayer in shaft furnace 2.1 is significantly increased, and gas-solid connects because of the filling of pineization filler 8
It touches surface area to increase, therefore gas-solid heat exchange process is more efficient, and operation energy consumption is lower.Mixed material after rapid cooling is through perpendicular
The discharge of 2 bottom discharging device 3 of furnace heat-exchanger rig.The gas-solid ratio of technological operation can require to be designed according to material attribute and technique
Or adjust, usually in 500~1400Nm3/t.The low-temperature mixed material of discharge by separator 4 carry out pineization filler 8 and
Grain material 6 separates, and the granule materials 6 after separation are transported to next unit and are handled, and pineization filler 8 is by filler feeding device 5
It is transported to the recycling of feed control device 1.
The utility model adds bed of material pineization filler 8 in low porosity high temperature granular material to improve particulate material layer heap product
Structure uniformly increases bed of material voidage, increases bed of material specific surface area, under the premise of guaranteeing that technique requires, high temperature granular material
Cooling is quicker, and gas flow resistance caused by the bed of material is small, stable.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (5)
1. a kind of gas-solid heat exchange device for increasing high-temperature particle bed of material voidage, which is characterized in that including feed control device, erect
Furnace heat-exchanger rig, discharge device, separator, feed control device is arranged at the top of shaft furnace heat-exchanger rig and the two seals phase
Even, shaft furnace heat-exchanger rig lower part is connected with discharge device sealing, and the material outlet of discharge device is arranged in separator, described
The bottom of shaft furnace heat-exchanger rig be equipped with air inlet, the top of shaft furnace heat-exchanger rig be equipped with gas outlet, one point of separator
Separate out the entrance that mouth connects feed control device by filler transport device.
2. a kind of gas-solid heat exchange device for increasing high-temperature particle bed of material voidage according to claim 1, which is characterized in that
The feed control device includes thermal material format feeding controller, filler format feeding controller, thermal material diversion trench, fills out
Expect that diversion trench, mixed format dispenser, the lower part discharge port of thermal material format feeding controller by thermal material diversion trench and mix
Qualified formula dispenser connection, the lower part discharge port of filler format feeding controller pass through filler diversion trench and mixed format dispenser
Connection.
3. a kind of gas-solid heat exchange device for increasing high-temperature particle bed of material voidage according to claim 1, which is characterized in that
The discharge device includes vibra feeder, format dispenser, vibra feeder feed inlet and shaft furnace heat-exchanger rig bottom
Discharge port is tightly connected, and format dispenser is arranged in the lower section of vibra feeder, the outlet of format dispenser and separator
Entrance is connected.
4. a kind of gas-solid heat exchange device for increasing high-temperature particle bed of material voidage according to claim 1, which is characterized in that
The separator includes material separator, belt transmission mechanism, and material separator is equipped with a mixed material entrance, one
Filler outlet and the outlet of granule materials, mixed material entrance connect discharge device, the filler outlet of material separator and
Grain material outlet is respectively arranged with belt transmission mechanism.
5. a kind of gas-solid heat exchange device for increasing high-temperature particle bed of material voidage according to claim 1, which is characterized in that
The filler transport device includes filling tank, filler lifting device, and filler lifting device is equipped with translating device and lifting device,
The filling tank is placed on translating device, and translating device is promoted to the top of feed control device by lifting device.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201822136744.2U CN209512569U (en) | 2018-12-19 | 2018-12-19 | A kind of gas-solid heat exchange device increasing high-temperature particle bed of material voidage |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201822136744.2U CN209512569U (en) | 2018-12-19 | 2018-12-19 | A kind of gas-solid heat exchange device increasing high-temperature particle bed of material voidage |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109556428A (en) * | 2018-12-19 | 2019-04-02 | 中冶焦耐(大连)工程技术有限公司 | A kind of gas-solid heat exchange device and heat-exchange method increasing high-temperature particle bed of material voidage |
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- 2018-12-19 CN CN201822136744.2U patent/CN209512569U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109556428A (en) * | 2018-12-19 | 2019-04-02 | 中冶焦耐(大连)工程技术有限公司 | A kind of gas-solid heat exchange device and heat-exchange method increasing high-temperature particle bed of material voidage |
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