CN204987897U - Low -grade tail gas waste heat utilization feed bin of small -scale - Google Patents
Low -grade tail gas waste heat utilization feed bin of small -scale Download PDFInfo
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- CN204987897U CN204987897U CN201520492988.8U CN201520492988U CN204987897U CN 204987897 U CN204987897 U CN 204987897U CN 201520492988 U CN201520492988 U CN 201520492988U CN 204987897 U CN204987897 U CN 204987897U
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- feed bin
- tail gas
- waste heat
- pipeline
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Abstract
The utility model provides a low -grade tail gas waste heat utilization feed bin of small -scale which characterized in that sets up the heat preservation in external side in the storehouse of feed bin and bottom surface at least, at least one opening is seted up to side being close to the feed bin bottom, be equipped with at least one drill way at feed bin top or the side that is close to the feed bin top, be equipped with the follow in the feed bin the opening extremely an at least metal pipeline who is used for tail gas to pass through in drill way, the space between feed bin inner wall and metal pipeline's the outer wall is the material space, and every metal pipeline respectively directly wears out from a drill way, and the diameter in every drill way is greater than the external diameter of pipeline, is equipped with insulation material in the clearance of drill way. The utility model overcomes traditional technology bias for waste heat low -grade, on a small scale also obtains effectual utilization, thereby can promote the energy utilization of enterprise rates, is favorable to energy saving and environmental protection.
Description
Technical field
The utility model relates to low-grade using waste heat from tail gas on a small scale and utilizes feed bin, and utilized by Industrial Stoves small-scale, low-grade using waste heat from tail gas, enterprise efficiency of energy utilization, belongs to energy-saving field technology.
Prior art
In chemical industry, metallurgy, glass, non-ferrous metal metallurgy and 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 low-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 discloses 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 exhaust outlet on interior Cang Ding directly discharged to outside storehouse.
Application number be 201110290271.1 application discloses 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 heater and gas atmosphere inlet, by protective gas to heating material.
Application number be 201310188434.4 a kind of granulation feed bin that application discloses 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 major function utilizes aerodynamic force to realize granulation function, incidentally utilizes its heat energy to carry out drying.
Application number is the thermal insulation barn that application discloses on a kind of comprehensive maintaining vehicle for bituminous pavement of 201310336293.6, 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 air blast is provided with bottom warehouse, the wind heating that air blast comes by heater, 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 discloses a kind of heating blanking bin, it establishes the zone of heating of at least two layers at feed bin storehouse inner bottom part, zone of heating is made up of several heating rod, the heating rod of adjacent zone of heating 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 zone of heating 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 low-grade, small-scale waste heat also be utilized.
Utility model content
The purpose of this utility model is to provide a kind of low-grade using waste heat from tail gas on a small scale and utilizes feed bin, which overcome traditional technology prejudice, low-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 utility model provides a kind of low-grade using waste heat from tail gas on a small scale and utilizes feed bin, it is characterized in that, at least outside the warehouse of feed bin, arranges heat-insulation layer with 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 from described opening to the metallic conduit that at least one of described aperture passes through for tail gas in feed bin, space between feed bin inwall and the outer wall of metallic conduit is material space, every root metallic conduit respectively directly passes from an aperture, the diameter in each aperture is greater than the external diameter of pipeline, is provided with insulation material in orifice gap.
Preferably, in end face setting, also heat-insulation layer is set; Feed bin has the top cover that can start; The top of feed bin and bottom are all can by translation or the parts swaying and open or close; As a whole of the top and bottom of feed bin or formed by several incorporating aspects; And/or in feed bin, many metallic conduits are evenly arranged, uneven layout, with feed bin arranged concentric or be biased with feed bin in the horizontal direction in the horizontal direction.
Preferably, at described opening part, inside and outside warehouse, a pipeline coupling flange is respectively set, interior conduit adpting flange directly welds with Cang Neijinshuguandao, Outer Tube adpting flange directly welds with kiln exhaust pipe, and the equal diameters of inside and outside pipeline coupling flange also closely clamps warehouse and heat-insulation layer by bolt; And/or metallic conduit is uniformly distributed on the surface of pipeline coupling flange.
Preferably, described metallic conduit is straight pipeline, crooked pipeline or helical pipe; And/or each metallic conduit is vertically evenly arranged in storehouse.
Preferably, the diameter in each aperture is greater than the external diameter 8-15mm of pipeline.
Preferably, each metallic conduit is connected with pipe end flange through after feed bin.
Preferably, every root metallic conduit is corresponding with the hole of on pipeline coupling flange.
Preferably, 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 welds with a pipe end flange above warehouse or outside the side at feed bin top, and the pipeline in pipe end flange downstream finally converges to a total pipe flange, and total pipe flange is connected with total pipeline by bolt.
Preferably, the diameter of each metallic conduit in feed bin is identical or different; Spacing is identical or different; And/or, the circular in cross-section of metallic conduit, ellipse, rectangle, square or polygon.
Preferably, metallic conduit is provided with the first Pressure gauge in the upstream entering feed bin, is provided with the second Pressure gauge in the downstream leaving feed bin.
According to the utility model, overcome traditional technology prejudice, low-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.
Accompanying drawing explanation
The using waste heat from tail gas that Figure 1A is made up of one group of three pipeline utilizes the structural representation of feed bin.
Figure 1B be in Figure 1A along A-A to sectional view.
The using waste heat from tail gas that Fig. 2 A is made up of three groups of nine pipelines utilizes the structural representation of feed bin.
Fig. 2 B be in Fig. 2 A along A-A to sectional view.
Detailed description of the invention
As shown in Figure 1-2, according to an embodiment of the present utility model, provide a kind of feed bin utilizing using waste heat from tail gas, solid material free-falling in feed bin 2, offer at least one opening 4 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 3 from described opening to described aperture in feed bin, every root pipeline 3 respectively directly passes from an aperture, and the diameter in each aperture is greater than the external diameter of pipeline, and orifice gap insulation material shutoff, prevents material dust excessive.
Particularly, at least one opening 4 described is arranged on and does not affect the normal discharging of feed bin and do not produce on the position of built on stilts putty.The end, the side of feed bin outside arrange heat-insulation layer, are incubated warehouse.
According to the utility model, offer aperture bottom warehouse, inside and outside aperture, respectively arrange 1 piece of flange, inside and outside flange diameter is equal, and bolt, through inner flange, warehouse, heat-insulation layer, outward flange, makes kiln exhaust pipe 1 warehouse and compact siro spinning technology.
Particularly, at at least one opening 4 place described, respectively arrange one piece of pipeline coupling flange inside and outside aperture position, inner flange directly welds with inner metal tube road, storehouse 3, outward flange directly welds with kiln exhaust pipe 1, and inside and outside flange diameter is equal and be closely connected with warehouse by bolt.
Particularly, described metallic conduit 3 is straight pipeline or crooked pipeline; Many metallic conduits 3 are vertically evenly arranged in storehouse, the gap uniformity of the horizontal direction between pipeline 3; 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 3 and feed bin 2 inwall, there is support.
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, each pipeline 3 is gathered together by flange 7 through after feed bin 2.The heat-carrying tail gas of Industrial Stoves is when the metallic conduit 3 by evenly arranging in feed bin 2, and the heat of tail gas passes to material by pipeline 3, heats (preheating) material, thus realizes the utilization to kiln using waste heat from tail gas.Metallic conduit 3 is vertically evenly distributed in storehouse, makes thermal field in feed bin even, and does not affect material vertical drop and form built on stilts putty phenomenon.Industrial Stoves tail gas is outwards discharged by pipeline 3, does not contact with material, and moisture wherein, pernicious gas composition cannot enter in material, can not have an impact to the composition of material.
The bore of Cang Neijinshuguandao and radical are the function of warehouse size, inventory, tail gas flux.The flow velocity of tail gas in pipeline lower than economic velocity, to improve the utilization ratio of solid material waste heat.Space between feed bin inwall and the outer wall of metallic conduit is the passage of material; Metallic conduit is uniformly distributed in Flange Plane.
Particularly, every root metallic conduit is corresponding with the hole of on flange 5; Feed bin top drilling number is equal with the quantity of Cang Neijinshuguandao, and every root metallic conduit 3 welds with a flange 5 above warehouse, and each flange 5 converges to pipeline 6, and each pipeline 6 converges to flange 7.
The diameter of each metallic conduit 3 in storehouse can be identical or different, not occur being caused premised on putty by making somebody a mere figurehead because of during material vertical drop.The cross section of metallic conduit can rounded, rectangle, square, ellipse, polygon.Metallic conduit is provided with the first Pressure gauge in the upstream entering feed bin 2, be provided with the second Pressure gauge in the downstream leaving feed bin 2, if two manometric pressure indicating values are different, then check the sealing property of pipeline, guarantee that material does not contact with the gas in pipeline, do not produce airborne dust and form potential safety hazard.
According to the present invention, the top of feed bin and bottom at least have four operating modes, and 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 device work compound.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 be even, uneven, arrange with feed bin concentric or be biased in the horizontal direction with feed bin in the horizontal direction.Many described metallic conduits are vertically evenly arranged in storehouse, and namely the trend of each metallic conduit all the time upwards, is not turned back.The bore of Cang Neijinshuguandao and radical are the function of warehouse size, inventory, exhaust flow; The flow velocity of tail gas in pipeline is lower than economic velocity.The spacing of each metallic conduit in storehouse can be constant or change.The heat-carrying tail gas of Industrial Stoves is when the metallic conduit by evenly arranging in feed bin, and the heat of tail gas passes to material by pipeline, heats (preheating) material, thus realizes the utilization to kiln using waste heat from tail gas.Metallic conduit is vertically evenly distributed in storehouse, makes thermal field in feed bin even, and does not affect material vertical drop and form built on stilts putty phenomenon.
According to the utility model, Industrial Stoves low-grade (being less than 350 DEG C), on a small scale the waste heat energy can be made full use of, simple transformation can be done to existing feed bin, or exhaust gas channel metallic conduit 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 metallic conduit, be convenient to the direct transmission of heat, makes the temperature difference between conplane material less, improve the efficiency of energy utilization of Industrial Stoves.Industrial Stoves tail gas is outwards discharged by pipeline, does not contact with material, and moisture wherein, pernicious gas composition cannot enter in material, can not have an impact to the composition of material.
According to the utility model, heat-insulation layer is set in the outside of feed bin warehouse, bottom surface.On the position not affecting the normal discharging of feed bin and do not produce built on stilts putty of the side of bottom, (one or several) mouth is opened at feed bin, one piece of pipeline coupling flange is respectively set inside and outside aperture position, the metallic conduit that inner flange is evenly arranged with storehouse Nei Duogen directly welds, outward flange directly welds with kiln exhaust pipe, inside and outside flange diameter equally, and by warehouse and heat-insulation layer with bolts.Feed bin top has several aperture, and every root pipeline respectively directly passes from an aperture, and the diameter in each aperture is greater than the external diameter 8-15mm of pipeline, so that stretching when Pipe installing and rising-heat contracting-cold.Orifice gap insulation material shutoff, to prevent material dust excessive.The metallic conduit of logical tail gas is straight pipeline, is vertically evenly arranged in storehouse, makes gap between pipeline (horizontal direction) even.Pipeline is gathered together by flange through after feed bin, and tail gas outwards discharges from total pipeline.Storehouse inner metal tube road diameter and radical look warehouse size, and material is how many, the difference of tail gas flux and arranging, the flow velocity design of tail gas in pipeline lower than economic velocity, to improve the utilization ratio of using waste heat from tail gas.
According to the utility model, the end, the side of feed bin outside arrange heat-insulation layer, are incubated warehouse.
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 connected closely by bolt, warehouse, heat-insulation layer.Bottom warehouse, inner flange welds with 1 or several tail gas metallic conduit, and metallic conduit is uniformly distributed in Flange Plane.Inner 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 utility model, feed bin top drilling number is equal with inner metal tube road, storehouse radical, and aperture is greater than metallic conduit external diameter 8-15mm.Do not affect charging and or in-site installation prerequisite under evenly or adapt to the uneven layout of field condition.Metallic conduit at outside, warehouse top (top) and flange welding, and progressively converges to a flange, is bolted with the flange of a pipeline.
Claims (10)
1. the low-grade using waste heat from tail gas of small-scale utilizes a feed bin, it is characterized in that, at least outside the warehouse of feed bin, arranges heat-insulation layer with 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 from described opening to the metallic conduit that at least one of described aperture passes through for tail gas in feed bin, space between feed bin inwall and the outer wall of metallic conduit is material space, every root metallic conduit respectively directly passes from an aperture, the diameter in each aperture is greater than the external diameter of pipeline, is provided with insulation material in orifice gap.
2. low-grade using waste heat from tail gas on a small scale as claimed in claim 1 utilizes feed bin, it is characterized in that, arranges also arrange heat-insulation layer at end face; Feed bin has the top cover that can start; The top of feed bin and bottom are all can by translation or the parts swaying and open or close; As a whole of the top and bottom of feed bin or formed by several incorporating aspects; And/or in feed bin, many metallic conduits are evenly arranged, uneven layout, with feed bin arranged concentric or be biased with feed bin in the horizontal direction in the horizontal direction.
3. low-grade using waste heat from tail gas on a small scale as claimed in claim 1 utilizes feed bin, it is characterized in that, at described opening part, inside and outside warehouse, a pipeline coupling flange is respectively set, interior conduit adpting flange directly welds with Cang Neijinshuguandao, Outer Tube adpting flange directly welds with kiln exhaust pipe, and the equal diameters of inside and outside pipeline coupling flange also closely clamps warehouse and heat-insulation layer by bolt; And/or metallic conduit is uniformly distributed on the surface of pipeline coupling flange.
4. low-grade using waste heat from tail gas on a small scale as claimed in claim 1 utilizes feed bin, and it is characterized in that, described metallic conduit is straight pipeline, crooked pipeline or helical pipe; And/or each metallic conduit is vertically evenly arranged in storehouse.
5. low-grade using waste heat from tail gas on a small scale as claimed in claim 1 utilizes feed bin, and it is characterized in that, the diameter in each aperture is greater than the external diameter 8-15mm of pipeline.
6. low-grade using waste heat from tail gas on a small scale as claimed in claim 1 utilizes feed bin, and it is characterized in that, each metallic conduit is connected with pipe end flange through after feed bin.
7. low-grade using waste heat from tail gas on a small scale as claimed in claim 1 utilizes feed bin, and it is characterized in that, every root metallic conduit is corresponding with the hole of on pipeline coupling flange.
8. low-grade using waste heat from tail gas on a small scale as claimed in claim 1 utilizes feed bin, it is characterized in that, 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 welds with a pipe end flange above warehouse or outside the side at feed bin top, and the pipeline in pipe end flange downstream finally converges to a total pipe flange, and total pipe flange is connected with total pipeline by bolt.
9. low-grade using waste heat from tail gas on a small scale as claimed in claim 1 utilizes feed bin, and it is characterized in that, the diameter of each metallic conduit in feed bin is identical or different; Spacing is identical or different; And/or, the circular in cross-section of metallic conduit, ellipse, rectangle, square or polygon.
10. low-grade using waste heat from tail gas on a small scale as claimed in claim 1 utilizes feed bin, and it is characterized in that, metallic conduit is provided with the first Pressure gauge in the upstream entering feed bin, is provided with the second Pressure gauge in the downstream leaving feed bin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520492988.8U CN204987897U (en) | 2015-07-09 | 2015-07-09 | Low -grade tail gas waste heat utilization feed bin of small -scale |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520492988.8U CN204987897U (en) | 2015-07-09 | 2015-07-09 | Low -grade tail gas waste heat utilization feed bin of small -scale |
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| CN204987897U true CN204987897U (en) | 2016-01-20 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108557294A (en) * | 2018-06-08 | 2018-09-21 | 陈连云 | A kind of carbon production feed bin using waste heat tail gas heating |
| CN110734235A (en) * | 2019-12-10 | 2020-01-31 | 郑州三迪建筑科技有限公司 | waste heat self-calcining bin body |
| CN110818299A (en) * | 2019-12-10 | 2020-02-21 | 郑州三迪建筑科技有限公司 | Waste heat self-calcining bin body |
-
2015
- 2015-07-09 CN CN201520492988.8U patent/CN204987897U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108557294A (en) * | 2018-06-08 | 2018-09-21 | 陈连云 | A kind of carbon production feed bin using waste heat tail gas heating |
| CN110734235A (en) * | 2019-12-10 | 2020-01-31 | 郑州三迪建筑科技有限公司 | waste heat self-calcining bin body |
| CN110818299A (en) * | 2019-12-10 | 2020-02-21 | 郑州三迪建筑科技有限公司 | Waste heat self-calcining bin body |
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