CN104986459A - Solid material waste heat utilization stock bin - Google Patents
Solid material waste heat utilization stock bin Download PDFInfo
- Publication number
- CN104986459A CN104986459A CN201510400416.7A CN201510400416A CN104986459A CN 104986459 A CN104986459 A CN 104986459A CN 201510400416 A CN201510400416 A CN 201510400416A CN 104986459 A CN104986459 A CN 104986459A
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- China
- Prior art keywords
- feed bin
- stock bin
- pipeline
- flange
- metallic conduit
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D88/00—Large containers
- B65D88/74—Large containers having means for heating, cooling, aerating or other conditioning of contents
- B65D88/741—Large containers having means for heating, cooling, aerating or other conditioning of contents aerating by ambient air through openings in the wall
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
Abstract
The invention provides a solid material waste heat utilization stock bin. Solid materials freely fall in the stock bin. The solid material waste heat utilization stock bin is characterized in that at least one opening is formed in the side face close to the bottom of the stock bin; at least one hole opening is formed in the side face of the top of the stock bin or close to the top of the stock bin; at least one metal pipeline used for conveying gas is arranged from the openings to the hole openings in the stock bin, the space between the inner wall of the stock bin and the outer walls of the metal pipelines is a channel for a solid heat-carrying material, each metal pipeline directly penetrates out of the corresponding hole opening, the diameter of each hole opening is larger than the outer diameter of the corresponding pipeline, heat insulation materials are arranged in gaps of the hole openings, at least the outer side and the bottom face of a stock bin body of the stock bin are provided with heat insulation layers, and preferably, the top face is also provided with a heat insulation layer and the stock bin is provided with a top cover capable of being opened. By the adoption of the solid material waste heat utilization stock bin, the traditional technical prejudice is overcome, low-grade and small-scale waste heat can be effectively utilized as well, the energy utilization rate of an enterprise can be increased, and energy conservation and environmental friendliness are promoted.
Description
Technical field
The present invention relates to solid material UTILIZATION OF VESIDUAL HEAT IN feed bin, by the UTILIZATION OF VESIDUAL HEAT IN of Industrial Stoves solid material, enterprise efficiency of energy utilization, belongs to field of energy-saving technology.
The present invention is applicable to light grade, small-scale UTILIZATION OF VESIDUAL HEAT IN.
Prior art
In chemical industry, metallurgy, glass, non-ferrous metal metallurgy and cement clinker calcination kiln, residual-heat utilization technology comparative maturity, its principle basic simlarity, waste heat that material is with is carried out thermal energy exchange by wind, water or other medium, form steam with the heat energy after exchange again, pushing turbine group generates electricity and/or heats to specific user.Its common feature is waste heat supply temperature higher (namely waste heat grade is higher), and waste heat energy is large, and temperature and heat are all more stable, and exhaust heat utilization effect is good.
But because its bootstrap system equipment is complicated, technological process is long, and is not suitable with light grade, small-scale UTILIZATION OF VESIDUAL HEAT IN.
Utilize air heat pump system, by the heat absorption of wind carrier, the low grade heat energy in solid material is carried out lifting to utilize, can recycle low grade residual heat, utilizing status is good, but system is more complicated, invests larger.
Application number be 201510037715.9 application for a patent for invention disclose a kind of stirring type asphalt storage bin capable of heating mixed material, it utilizes in the middle of inside and outside storehouse and installs calandria, the air of heating enters Nei Cang, with material Direct Contact Heating material, the waste gas after heating by exhausr port on interior Cang Ding directly discharged to outside storehouse.
Application number be 201110290271.1 application for a patent for invention disclose a kind of feeding warehouse for airtight type kiln, it utilizes the spiral in the middle of feed bin and kiln that the flue gas in kiln and feed bin are carried out airtight isolation, flue gas cannot enter feed bin, ensure that the processing atmosphere in kiln is stablized simultaneously; In feed bin, middle part arranges temperature booster and gas atmosphere inlet, by atmosphere gas to heating material.
Application number be 201310188434.4 application for a patent for invention disclose a kind of granulation feed bin and lead to hot-air drying technology method, what it utilized drying drum to discharge enters feed bin containing heat energy gas, directly granulation and heat drying are carried out to material, need entering, discharging bin gas temperature strictly controls, its radical function utilizes aerodynamic force to realize granulation function, incidentally utilizes its heat energy to carry out drying.
Application number be 201310336293.6 application for a patent for invention disclose thermal insulation barn on a kind of comprehensive maintaining vehicle for bituminous pavement, it has heat-insulation layer outside warehouse, helical duct layer is provided with in the middle of warehouse and heat-insulation layer, infrared heater and blowing engine is provided with bottom warehouse, the wind heating that blowing engine comes by temperature booster, hot blast enters helical duct layer and transfers heat to feed bin warehouse, then the pitch in heating cabinet, realizes the heat insulation function to pitch.
Application number be 201510069451.5 application for a patent for invention disclose a kind of heating blanking bin, it establishes the heater mat of at least two layers at feed bin storehouse inner bottom part, heater mat is made up of several heating rod, the heating rod of adjacent heater mat is in correspondence with each other in cross-like arrangement anyhow, and material reaches thermally equivalent by being separated into uniform several bursts of logistics during heater mat region; Warehouse discharging opening has additional heat tunnel, continues to heat material.
Though above-mentioned patent application is heated with feed bin certain contacting, all have nothing to do with UTILIZATION OF VESIDUAL HEAT IN.
A kind of prejudice is there is: only have high-grade, on a large scale waste heat just to manage to utilize in prior art.Under the impact of this prejudice, for a long time, never people considers how to make light grade, small-scale waste heat also utilized.
Summary of the invention
The object of this invention is to provide a kind of solid material UTILIZATION OF VESIDUAL HEAT IN feed bin, which overcome traditional technology prejudice, make light grade, small-scale waste heat is also effectively utilized, thus can the energy utilization rate of enterprise, be conducive to energy-conservation and environmental protection.
For this reason, the invention provides a kind of feed bin utilizing free fall solid material waste heat, it is characterized in that, heat-insulation layer is set in the outside of feed bin warehouse, bottom surface; At least one opening is offered in the side near bin bottom; At least one aperture is provided with at feed bin top or near the side at feed bin top; Be provided with in feed bin from described opening at least one of described aperture for carrying the metallic conduit of gas, space between feed bin inwall and the outer wall of metallic conduit is the passage of thermofor material, every root metallic conduit respectively directly passes from an aperture, the diameter in each aperture is greater than the external diameter of pipeline, is plugged with warm material in orifice gap.
Preferably, gas is combustion oxygen, air, natural fuels or coal gas; Feed bin has (can start) top cover; At least one opening described is arranged on not to be affected the normal discharging of feed bin and not to produce on the position of built on stilts putty; And/or, do not affecting under charging and/or field erected prerequisite, many metallic conduits evenly, with feed bin in the horizontal direction concentric, and feed bin be biased in the horizontal direction or uneven layout.
Preferably, at at least one opening part described, inside and outside aperture position, a pipeline coupling flange is respectively set, inside flange directly welds with Cang Neijinshuguandao, outward flange directly welds with kiln fan pipeline or gas pipeline, and inside and outside flange diameter is equal and be closely connected with warehouse by bolt (through heat-insulation layer); Metallic conduit is uniformly distributed in Flange Plane.
Preferably, described metallic conduit is spiral metal pipeline; Many metallic conduits are vertically evenly arranged in storehouse, the gap uniformity of the horizontal direction between helical pipe; Between many metallic conduits and feed bin inwall, there is support.
Preferably, the diameter in each aperture is greater than the external diameter 8-15mm of pipeline.
Preferably, each helical pipe is connected with pipe end flange through after feed bin.
Preferably, storehouse inside spin metallic conduit bore and radical are the function of warehouse size, inventory; Air or the combustion gas flow velocity in pipeline is lower than economic velocity.
Preferably, every root metallic conduit is corresponding with the hole of on flange; The side opening hole count at feed bin top or close feed bin top is equal with the quantity of Cang Neijinshuguandao, every root metallic conduit is above warehouse or near the side at feed bin top and a flange welding, each flange converges to a flange be connected with a pipeline by bolt.
Preferably, the diameter of each metallic conduit in storehouse can be identical or different; Screw pitch can be constant or change; The cross-sectional plane of metallic conduit can be rectangle, square, circular, oval or polygon.
Preferably, metallic conduit is provided with the first compression indicator in the upstream entering feed bin, is provided with the second compression indicator in the downstream leaving feed bin.
According to the present invention, the thermofor material of Industrial Stoves is when by feed bin, its heat energy to be passed to the gas (combustion oxygen, air, natural fuels or coal gas) in pipeline by the waste heat of solid material by (spiral fashion evenly arranged) metallic conduit in feed bin, gas is heated (preheating), thus realizes the utilization to kiln thermofor material waste heat.Metallic conduit does the different spiral fashion of diameter and is uniformly distributed in storehouse, does not affect material vertical drop and forms built on stilts putty phenomenon.Metal spiral pipeline, in vertical long, laterally narrow square shape, to improve utilization rate of waste heat, alleviates the resistance to material vertical drop, prevents the generation of built on stilts phenomenon.
According to the present invention, Industrial Stoves light grade (being less than 350 DEG C), the small-scale solid material waste heat energy can be made full use of, simple transformation can be done to existing feed bin, or gas passage spiral metal pipeline is set during newly-built feed bin.Its structure is simple, and small investment, is convenient to field fabrication.Material and the tight uniform contact of spiral metal pipeline, be convenient to the direct transmission of heat, same plane material waste heat made full use of, improves the efficiency of energy utilization of Industrial Stoves.The free fall in feed bin of Industrial Stoves thermofor material, as long as the sealing property of periodic inspection helical pipe and reach requirement, solid material just can not contact with the gas in pipeline, can not produce airborne dust and form potential safety hazard.
According to the present invention, do not affect the normal discharging of feed bin in bin bottom side and do not produce on the position of built on stilts putty and open (one or several) mouth, one piece of pipeline coupling flange is respectively set inside and outside aperture position, the spiral metal pipeline that inside flange and storehouse Nei Duogen are evenly arranged directly welds, outward flange directly welds with kiln fan pipeline or gas pipeline, and inside and outside flange diameter is equal and with bolts by warehouse.Feed bin top has several aperture, and every root helical pipe respectively directly passes from an aperture, and the diameter in each aperture is greater than the external diameter 8-15mm of pipeline, is convenient to Pipe installing and rising-heat contracting-cold and stretches.Orifice gap warm material shutoff, prevents material dust excessive.The spiral metal pipeline of ventilation is vertically evenly arranged in storehouse, makes the gap (horizontal direction) between helical pipe even.Helical pipe is gathered together by flange through after feed bin, and the gas after preheating flows to combustion gas mouth from total pipeline.Storehouse inside spin metallic conduit bore and radical are arranged depending on the how many difference of warehouse size, material, and air or the combustion gas flow velocity design in pipeline, lower than economic velocity, improves the utilization ratio of solid material waste heat.
According to the present invention, offer aperture bottom warehouse, inside and outside aperture, respectively arrange 1 piece of flange, inside and outside flange diameter is equal, and interior outward flange is closely connected by bolt, warehouse.
According to the present invention, bottom warehouse, inside flange welds with 1 or several conveying gas spiral metallic conduit, and spiral metal pipeline is uniformly distributed in Flange Plane.Inside flange is according to the metallic conduit radical self-control of design, and every root pipeline is corresponding with the hole of on flange.
According to the present invention, feed bin top drilling number is equal with storehouse inside spin metallic conduit radical, and bore size is greater than spiral metal pipeline outside dimension 8-15mm.Do not affecting even under charging and/or field erected prerequisite or adapting to the uneven layout of field condition.
According to the present invention, spiral metal pipeline is outside and flange welding on warehouse top, and progressively converges to a flange, is bolted with the flange of a pipeline.
Accompanying drawing explanation
The structural representation of the solid material UTILIZATION OF VESIDUAL HEAT IN feed bin that Figure 1A is made up of one group of two helical pipe.
Figure 1B be in Figure 1A along A-A to cutaway view.
The structural representation of the solid material UTILIZATION OF VESIDUAL HEAT IN feed bin that Fig. 2 A is made up of two groups of four helical pipes.
Fig. 2 B be in Fig. 2 A along A-A to cutaway view.
Detailed description of the invention
As shown in Figure 1-2, according to one embodiment of present invention, provide a kind of solid material UTILIZATION OF VESIDUAL HEAT IN feed bin, solid material free fall in feed bin 2, offer at least one opening 3 in the side bottom feed bin 2; The top of feed bin is provided with at least one aperture; Be provided with at least one metallic conduit 1 from described opening to described aperture in feed bin, every root helical pipe respectively directly passes from an aperture, and the diameter in each aperture is greater than the external diameter of pipeline, and orifice gap warm material shutoff, prevents material dust excessive.
Particularly, at least one opening described is arranged on does not affect the normal discharging of feed bin and does not produce on the position of built on stilts putty.
Particularly, at at least one opening part described, respectively arrange one piece of pipeline coupling flange inside and outside aperture position, inside flange directly welds with Cang Neijinshuguandao, outward flange directly welds with kiln fan pipeline or gas pipeline, and inside and outside flange diameter is equal and be closely connected with warehouse by bolt.
Particularly, described metallic conduit 1 is spiral metal pipeline; Many metallic conduits 1 are vertically evenly arranged in storehouse, the gap uniformity of the horizontal direction between helical pipe; Do not affecting under charging and/or field erected prerequisite, evenly, with feed bin in the horizontal direction concentric, and feed bin be biased in the horizontal direction or uneven layout.Between many metallic conduits 1 and feed bin 2 inwall, there is support 4.
Particularly, the diameter in each aperture is greater than the external diameter 8-15mm of pipeline, so that the installation of pipeline and rising-heat contracting-cold.
Particularly, helical pipe is gathered together by flange 7 through after feed bin, and the gas after preheating flows to combustion gas mouth from total pipeline.
Particularly, storehouse inside spin metallic conduit bore and radical are the function of warehouse size, inventory.
Particularly, air or the combustion gas flow velocity in pipeline lower than economic velocity, to improve the utilization ratio of solid material waste heat.
Particularly, conveying gas (combustion oxygen, air, natural fuels or coal gas) in metallic conduit, space between feed bin inwall and the outer wall of metallic conduit is the passage of thermofor material, the waste heat of solid material passes to the gas in pipeline, gas is heated (preheating), thus realizes the utilization to kiln thermofor material waste heat; Metallic conduit is uniformly distributed in Flange Plane.
Particularly, every root metallic conduit is corresponding with the hole of on flange; Feed bin top drilling number is equal with the quantity of Cang Neijinshuguandao,
Particularly, every root metallic conduit 1 welds with a flange 5 above warehouse, and each flange 5 converges to a flange 7 be connected with a pipeline 6 by bolt.
Particularly, the diameter of each metallic conduit in storehouse can be identical or different; Screw pitch can be constant or change, not occur being caused premised on putty by making somebody a mere figurehead because of during material vertical drop.
Particularly, the cross-sectional plane of metallic conduit can rounded, oblong, square, ellipse, polygon.Metallic conduit is provided with the first compression indicator in the upstream entering feed bin, be provided with the second compression indicator in the downstream leaving feed bin, if two manometric pressure indicating values are different, then check the sealing property of pipeline, guarantee that solid material does not contact with the gas in pipeline, do not produce airborne dust and form potential safety hazard.
At least outside the warehouse of feed bin, arrange heat-insulation layer with bottom surface, preferably arrange at end face and also arrange heat-insulation layer, preferred feed bin has the top cover that can start.
Claims (10)
1. can utilize a feed bin for solid material waste heat, solid material is free fall in feed bin, it is characterized in that, offers at least one opening in the side near bin bottom; At least one aperture is provided with at feed bin top or near the side at feed bin top; Be provided with in feed bin from described opening at least one of described aperture for carrying the metallic conduit of gas (combustion oxygen, air, natural fuels or coal gas), space between feed bin inwall and the outer wall of metallic conduit is the passage of thermofor material, every root metallic conduit respectively directly passes from an aperture, the diameter in each aperture is greater than the external diameter of pipeline, warm material is provided with in orifice gap, at least outside the warehouse of feed bin, heat-insulation layer is set with bottom surface, preferably arrange at end face and also arrange heat-insulation layer, preferred feed bin has the top cover that can start.
2. feed bin as claimed in claim 1, is characterized in that, the top of feed bin and/or bottom can open or close in (preferably by translation or sway); At least have four operating modes, namely bottom closes that top is opened, closedown top, bottom is also closed, bottom opens that top is also opened, bottom is opened top and closed; The top and bottom of feed bin is by control setup work compound; As a whole of the top and bottom of feed bin or formed by several incorporating aspects; At least one opening described is arranged on not to be affected the normal discharging of feed bin and not to produce on the position of built on stilts putty; And/or, do not affecting under charging and/or field erected prerequisite, many metallic conduits evenly, with feed bin in the horizontal direction concentric, and feed bin be biased in the horizontal direction or uneven layout.
3. feed bin as claimed in claim 1, it is characterized in that, at at least one opening part described, inside and outside aperture position, a pipeline coupling flange is respectively set, inside flange directly welds with Cang Neijinshuguandao, outward flange directly welds with kiln fan pipeline or gas pipeline, and inside and outside flange diameter is equal and be closely connected with warehouse by bolt (through heat-insulation layer); Metallic conduit is uniformly distributed in Flange Plane.
4. feed bin as claimed in claim 1, it is characterized in that, described metallic conduit is spiral metal pipeline; Many metallic conduits are vertically evenly arranged (trend of each metallic conduit all the time upwards, is not turned back) in storehouse, the gap uniformity of the horizontal direction between helical pipe.
5. feed bin as claimed in claim 1, it is characterized in that, the diameter in each aperture is greater than the external diameter 8-15mm of pipeline.
6. feed bin as claimed in claim 1, is characterized in that, each helical pipe is connected with pipe end flange through after feed bin.
7. feed bin as claimed in claim 1, it is characterized in that, storehouse inside spin metallic conduit bore and radical are the function of warehouse size, inventory; Air or the combustion gas flow velocity in pipeline is lower than economic velocity.
8. feed bin as claimed in claim 1, it is characterized in that, every root metallic conduit is corresponding with the hole of on flange; The side opening hole count at feed bin top or close feed bin top is equal with the quantity of Cang Neijinshuguandao, every root metallic conduit is above warehouse or near the side at feed bin top and a flange welding, each flange converges to a flange be connected with a pipeline by bolt.
9. feed bin as claimed in claim 1, it is characterized in that, the diameter of each metallic conduit in storehouse can be identical or different; Screw pitch can be constant or change; The cross-sectional plane of metallic conduit can be rectangle, square, circular, oval or polygon.
10. feed bin as claimed in claim 1, it is characterized in that, metallic conduit is provided with the first compression indicator in the upstream entering feed bin, is provided with the second compression indicator in the downstream leaving feed bin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510400416.7A CN104986459A (en) | 2015-07-09 | 2015-07-09 | Solid material waste heat utilization stock bin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510400416.7A CN104986459A (en) | 2015-07-09 | 2015-07-09 | Solid material waste heat utilization stock bin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104986459A true CN104986459A (en) | 2015-10-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510400416.7A Pending CN104986459A (en) | 2015-07-09 | 2015-07-09 | Solid material waste heat utilization stock bin |
Country Status (1)
| Country | Link |
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| CN (1) | CN104986459A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4375959A (en) * | 1980-10-16 | 1983-03-08 | The Mccarter Corporation | Waste heat recovery in asphalt mixing plant |
| CN102278894A (en) * | 2011-08-30 | 2011-12-14 | 圣火科技(河南)有限责任公司 | High-temperature material waste heat recoverer in tower-type structure |
| CN103409578A (en) * | 2013-08-10 | 2013-11-27 | 山西鑫立能源科技有限公司 | Preheating bin used for production of direct reduction iron through reduction gas |
-
2015
- 2015-07-09 CN CN201510400416.7A patent/CN104986459A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4375959A (en) * | 1980-10-16 | 1983-03-08 | The Mccarter Corporation | Waste heat recovery in asphalt mixing plant |
| CN102278894A (en) * | 2011-08-30 | 2011-12-14 | 圣火科技(河南)有限责任公司 | High-temperature material waste heat recoverer in tower-type structure |
| CN103409578A (en) * | 2013-08-10 | 2013-11-27 | 山西鑫立能源科技有限公司 | Preheating bin used for production of direct reduction iron through reduction gas |
Non-Patent Citations (2)
| Title |
|---|
| 凌志浩: "物料余热回收", 《应用能源技术》 * |
| 赵玉良 等: "新型高温小颗粒物料余热回收和冷却装置开发", 《2014年全国冶金能源环保生产技术会文集》 * |
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Application publication date: 20151021 |
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