CN203534224U - Graphite kiln tail waste heat utilization deice - Google Patents
Graphite kiln tail waste heat utilization deice Download PDFInfo
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- CN203534224U CN203534224U CN201320645097.2U CN201320645097U CN203534224U CN 203534224 U CN203534224 U CN 203534224U CN 201320645097 U CN201320645097 U CN 201320645097U CN 203534224 U CN203534224 U CN 203534224U
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Abstract
The utility model discloses a graphite kiln tail waste heat utilization deice. According to the graphite kiln tail waste heat utilization deice, the tail structure of a graphite kiln in the high energy consumption vanadium-nitrogen alloy production process is improved, heating is carried out on nitrogen by using waste heat in the cooling process of a forced cooling area and a natural cooling area of vanadium-nitrogen alloy products, and the purposes of energy conservation, consumption reduction and reduction of energy consumption of nitrogen heating and cooling time of the products are achieved. The graphite kiln tail waste heat utilization deice is composed of a discharge port, a nitrogen inlet, a nitrogen preheating area, a nitrogen heating area, a material heating device, a feed port and an exhaust port. The nitrogen inlet is formed between the discharge port and the nitrogen preheating area, nitrogen input for vanadium-nitrogen alloy production passes through the nitrogen preheating area and the nitrogen heating area, the nitrogen is heated in a stair type from low temperature to high temperature by utilizing the waste heat of the nitrogen preheating area and the nitrogen heating area, and the heated nitrogen enters the material heating device in a high-temperature vanadium nitride reaction area.
Description
Technical field
The utility model includes non-ferrous metal smelting industry, relate in particular to a kind of VN alloy produce in kiln nitrogen gas supply utilize the device of waste-heat.
Background technology
Domestic current VN alloy smelting technique is generally by graphite kiln, to burn refining to form, average product power consumption per ton 7500 ~ 8000kw/h, and kiln is fired alloy temperature more than 1450 ~ 1500 ℃, cycle production time 24h/t, finished product needs 6h cool time.
In tradition VN alloy production process, exist high electric energy loss, high heat energy loss, VN alloy to fire the problems such as uniformity inaccuracy, wherein the root of energy consumption problem is the technical problem of production equipment.
Utility model content
The utility model provides a kind of graphite kiln afterbody residual heat using device, it is transformed for graphite kiln tail structure in highly energy-consuming VN alloy production technology, utilize the waste heat in forcing cooling zone and natural cooling zone cooling procedure of vanadium-nitrogen alloy product to heat nitrogen, thereby reach energy-conservation, consumption reduction, reduce nitrogen heating energy consumption, the object of the cool time of product.
Tradition VN alloy process units graphite kiln afterbody, by discharging opening, pressure cooling zone, nitrogen inlet, natural cooling zone, heating material device, charging aperture, exhaust outlet, formed, the nitrogen that VN alloy production passes into is from nitrogen inlet enters, through nature cooling zone and heating material district.
The utility model, a kind of graphite kiln afterbody residual heat using device, is comprised of discharging opening, nitrogen inlet, nitrogen preheating zone, the nitrogen thermal treatment zone, heating material device, charging aperture, exhaust outlet; Described nitrogen inlet, be located between discharging opening and nitrogen preheating zone, VN alloy is produced institute's nitrogen that passes into through nitrogen preheating zone and the nitrogen thermal treatment zone, the waste heat that utilizes nitrogen preheating zone and the nitrogen thermal treatment zone is by low temperature to high temperature ladder type heated nitrogen, and the nitrogen after heating enters the heating material device of high-temperature ammonolysis vanadium reaction zone.
The utility model, by the utilization of waste heat, reduces product power consumption to 6000 ~ 6500kw/h per ton, reduces the production cycle to 20h/t, and finished product is constant cool time, makes to produce VN alloy technique more accurate.
Use the utility model, a kind of graphite kiln afterbody residual heat using device, waste heat in VN alloy production process is utilized, produce one ton of VN alloy power consumption and be down to 6000 ~ 6500 degree by 8000 original degree, production cycle also foreshortens to 20h/ ton by 24h/ ton, thereby reached reduction energy consumption, shortened the effect of production cycle.
Accompanying drawing explanation
Fig. 1 is the structural representation of the graphite kiln afterbody of traditional VN alloy production.
Fig. 2 is the structural representation of the utility model graphite kiln afterbody residual heat using device.
In figure, 1, discharging opening; 21, nitrogen inlet one; 31, force cooling zone; 41, natural cooling zone; 5, heating material device; 6, charging aperture; 7, exhaust outlet; 81, nitrogen moves towards one; 9, feedstock direction; 10, discharging direction; 22, nitrogen inlet two; 32, nitrogen preheating zone; 42, the nitrogen thermal treatment zone; 82, nitrogen moves towards two.
Specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Please refer to Fig. 1 tradition VN alloy process units graphite kiln afterbody, by discharging opening, pressure cooling zone, nitrogen inlet one, natural cooling zone, heating material device, charging aperture, exhaust outlet, formed, the nitrogen that VN alloy production passes into is from nitrogen inlet enters, through nature cooling zone and heating material district, enter heating material device, as Fig. 1 nitrogen moves towards one.
Please refer to Fig. 2, this specific embodiment, a kind of graphite kiln afterbody residual heat using device, is comprised of discharging opening, nitrogen inlet two, nitrogen preheating zone, the nitrogen thermal treatment zone, heating material device, charging aperture, exhaust outlet; Described nitrogen inlet, be located between discharging opening and nitrogen preheating zone, VN alloy is produced institute's nitrogen that passes into through nitrogen preheating zone and the nitrogen thermal treatment zone, the waste heat that utilizes nitrogen preheating zone and the nitrogen thermal treatment zone by low temperature to high temperature ladder type heated nitrogen, nitrogen after heating enters the heating material device of high-temperature ammonolysis vanadium reaction zone, as the nitrogen of Fig. 2 moves towards two.
This specific embodiment, by the utilization of waste heat, reduces product power consumption to 6000 ~ 6500kw/h per ton, reduces the production cycle to 20h/t, and finished product is constant cool time, makes to produce VN alloy technique more accurate.
Use this specific embodiment, waste heat in VN alloy production process is utilized, produce one ton of VN alloy power consumption and be down to 6000 ~ 6500 degree by 8000 original degree, the production cycle also foreshortens to 20h/ ton by 24h/ ton, thereby reached reduction energy consumption, shortened the effect of production cycle.
By reference to the accompanying drawings the utility model has been carried out to exemplary description above; obvious realization of the present utility model is not subject to the restrictions described above; as long as the various improvement that adopted technical solutions of the utility model to carry out; or say that without improvement design of the present utility model and technical scheme are applied to other occasions, all in protection domain of the present utility model.
Claims (1)
1. a graphite kiln afterbody residual heat using device, is comprised of discharging opening, nitrogen inlet, nitrogen preheating zone, the nitrogen thermal treatment zone, heating material device, charging aperture, exhaust outlet; It is characterized in that, described nitrogen inlet, is located between described discharging opening and nitrogen preheating zone, and VN alloy is produced institute's nitrogen that passes into through nitrogen preheating zone and the nitrogen thermal treatment zone, and the nitrogen after heating enters the heating material device of high-temperature ammonolysis vanadium reaction zone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320645097.2U CN203534224U (en) | 2013-10-20 | 2013-10-20 | Graphite kiln tail waste heat utilization deice |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320645097.2U CN203534224U (en) | 2013-10-20 | 2013-10-20 | Graphite kiln tail waste heat utilization deice |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203534224U true CN203534224U (en) | 2014-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320645097.2U Expired - Fee Related CN203534224U (en) | 2013-10-20 | 2013-10-20 | Graphite kiln tail waste heat utilization deice |
Country Status (1)
| Country | Link |
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| CN (1) | CN203534224U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104344740A (en) * | 2014-11-07 | 2015-02-11 | 苏州工业园区姑苏科技有限公司 | Heat-transferred residual heat utilization device |
| CN106636866A (en) * | 2015-11-02 | 2017-05-10 | 陕西华银科技有限公司 | Utilization method for heat and material in vanadium-nitrogen alloy preparation |
-
2013
- 2013-10-20 CN CN201320645097.2U patent/CN203534224U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104344740A (en) * | 2014-11-07 | 2015-02-11 | 苏州工业园区姑苏科技有限公司 | Heat-transferred residual heat utilization device |
| CN104344740B (en) * | 2014-11-07 | 2016-08-17 | 苏州工业园区姑苏科技有限公司 | One picks shifting residual heat using device |
| CN106636866A (en) * | 2015-11-02 | 2017-05-10 | 陕西华银科技有限公司 | Utilization method for heat and material in vanadium-nitrogen alloy preparation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140409 Termination date: 20151020 |
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| EXPY | Termination of patent right or utility model |