CN204359149U - A kind of cleaning system for VN alloy high temperature furnace - Google Patents
A kind of cleaning system for VN alloy high temperature furnace Download PDFInfo
- Publication number
- CN204359149U CN204359149U CN201420834970.7U CN201420834970U CN204359149U CN 204359149 U CN204359149 U CN 204359149U CN 201420834970 U CN201420834970 U CN 201420834970U CN 204359149 U CN204359149 U CN 204359149U
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- CN
- China
- Prior art keywords
- high temperature
- temperature furnace
- depassing unit
- pond
- sack cleaner
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Abstract
The utility model discloses a kind of cleaning system for VN alloy high temperature furnace, it is characterized in that, the secondary depassing unit comprising the smoke collection pipe be communicated with high temperature furnace, the cooling bay be connected with described smoke collection pipe, the sack cleaner be connected with described cooling bay, the pond be connected with described sack cleaner, the one-level depassing unit be connected with described pond and connect with described one-level depassing unit.The beneficial effect that the utility model has: can effectively the gases such as the size particles produced in high-temperature burning process and carbon monoxide be removed step by step, what make finally to obtain is nontoxic gas, directly can discharge, not pollute the environment and to endanger operating personnel healthy.And through further degasification, the final gas obtained is mainly nitrogen, again can passes into high temperature furnace and participate in calcining, serve the effect recycling nitrogen, reduce production cost.
Description
Technical field
The utility model relates to relevant VN alloy heating and calcining equipment, is specifically related to a kind of cleaning system for VN alloy high temperature furnace.
Background technology
VN alloy is as a kind of Novel steel iron additive, and alternative vanadium iron is used for the production of micro alloyed steel, and it makes an addition to the comprehensive mechanical performances such as intensity, toughness, ductility and the thermal fatigue resistance that can improve steel in steel, and makes steel have good solderability; Reaching under same intensity, interpolation VN alloy comparatively adds vanadium and can save vanadium 30% ~ 40%, reduces cost; VN alloy is generally used by domestic and international steel mill, and its production technology and production equipment obtain swift and violent development.
The heating kiln equipment that existing market produces VN alloy employing roughly has following several: vacuum electric furnace batch production; Climb steel and adopt electrical heating tunnel kiln, medium-frequency electrical heating shaft furnace, tube furnace, micro-wave oven.
A large amount of flue gas can produced in roasting process, main containing condensate, carbon monoxide, carbon dioxide, the unnecessary nitrogen etc. after micro-vanadium and binding agent volatilization in flue gas, be the primary pollution source in VN alloy production process.Existing purified treatment is carried out to VN alloy flue gas, mainly adopt a kind of purification pot device, the flue gas conduit produced by roasting tube furnace imports in a purification pot, passes through self-purification, soot dust granule larger or heavier in flue gas is deposited in purification pot, and other flue gas is then discharged in air.The deficiency that this device in use exists is: 1, clean-up effect is poor, the requirement to environmental protection can not be met, this is mainly, although soot dust granule larger or heavier in flue gas is deposited in purification pot, but also have much small soot dust granule to be discharged in air with flue gas in flue gas, still can cause severe contamination to environment, not meet the requirement of social progress; 2, flue gas can be overflowed, and directly impact is produced and workman healthy because reinforced time need open the fire door of roasting tube furnace, the flue gas in stove then can be overflowed with the fire door opened, and directly impacts production environment.
Utility model content
The purpose of this utility model is to make up the deficiencies in the prior art, provides a kind of cleaning system for VN alloy high temperature furnace removing harmful substance in flue gas.
In order to reach the purpose of this utility model, technical scheme is as follows:
A kind of cleaning system for VN alloy high temperature furnace, it is characterized in that, the secondary depassing unit comprising the smoke collection pipe be communicated with high temperature furnace, the cooling bay be connected with described smoke collection pipe, the sack cleaner be connected with described cooling bay, the pond be connected with described sack cleaner, the one-level depassing unit be connected with described pond and connect with described one-level depassing unit.
Further, described secondary depassing unit is connected with described high temperature furnace.
The flue gas of degree mix and after preliminary cooling, is cooled to normal temperature in inflow cooling bay in smoke collection pipe, and the material of some larger particles can sedimentation in cooling bay; And remainder is continuously introduced in sack cleaner, through filtration and the collecting action of sack cleaner, most particulate is all removed, such as vanadium, sodium etc., and gas fraction continues across sack cleaner arrival pond, some water-soluble sour gas can be removed in pond, such as sulfur dioxide etc., running water can be housed in pond, or some are with weakly alkaline liquid; Behind pond, gas enters into one-level depassing unit, and one-level depassing unit is mainly used in removing the carbon monoxide in gas, because carbon monoxide is poisonous, removing carbon monoxide by reacting with oxygen or cupric oxide, iron oxide etc., making it be converted into carbon dioxide; And in secondary depassing unit, mainly in order to go out carbon dioxide, such as, utilize the mode of carbon dioxide and limewash reaction to remove.
After secondary depassing unit, remaining gas mainly inert nitrogen gas, therefore, is connected secondary depassing unit with high temperature furnace, makes nitrogen continue to enter high temperature furnace and participates in calcining.
The beneficial effect that the utility model has:
Can effectively be removed step by step by the gases such as the size particles produced in high-temperature burning process and carbon monoxide, what make finally to obtain is nontoxic gas, can directly discharge, and does not pollute the environment and to endanger operating personnel healthy.
And through further degasification, the final gas obtained is mainly nitrogen, again can passes into high temperature furnace and participate in calcining, serve the effect recycling nitrogen, reduce production cost.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model for the cleaning system of VN alloy high temperature furnace.
Detailed description of the invention
Below in conjunction with embodiment, the utility model is further described, but protection domain of the present utility model is not only confined to embodiment.
As shown in Figure 1, for a cleaning system for VN alloy high temperature furnace, comprise the smoke collection pipe 5 be communicated with high temperature furnace, the cooling bay 6 be connected with described smoke collection pipe 5, the sack cleaner 7 be connected with described cooling bay 6, the pond 2 be connected with described sack cleaner 7, the one-level depassing unit 3 be connected with described pond 2 and the secondary depassing unit 4 be connected with described one-level depassing unit 3.
The flue gas produced in high temperature furnace is by high temperature furnace puts mouth, unification flow in smoke collection pipe 5, the flue gas of each temperature mixes and after preliminary cooling, flows in cooling bay 6 and be cooled to normal temperature in smoke collection pipe 5, and the material of some larger particles can sedimentation in cooling bay 6; And remainder is continuously introduced in sack cleaner 7, through filtration and the collecting action of sack cleaner 7, most particulate is all removed, such as vanadium, sodium etc., and gas fraction continues across sack cleaner 7 arrives pond 2, some water-soluble sour gas can be removed in pond 2, such as sulfur dioxide etc., running water can be housed in pond 2, or some are with weakly alkaline liquid; Behind pond 2, gas enters into one-level depassing unit 3, and one-level depassing unit 3 is mainly used in removing the carbon monoxide in gas, because carbon monoxide is poisonous, removing carbon monoxide by reacting with oxygen or cupric oxide, iron oxide etc., making it be converted into carbon dioxide; And in secondary depassing unit 4, mainly in order to go out carbon dioxide, such as, utilize the mode of carbon dioxide and limewash reaction to remove.
After secondary depassing unit 4, remaining gas mainly inert nitrogen gas, therefore, is connected secondary depassing unit 4 with high temperature furnace, makes nitrogen continue to enter high temperature furnace and participates in calcining.
Last it is noted that above embodiment only in order to illustrate the utility model and and technical scheme described by unrestricted the utility model, therefore, although this description has been described in detail the utility model with reference to each above-mentioned embodiment, but, those of ordinary skill in the art is to be understood that, still can modify to the utility model or equivalent replacement, and all do not depart from technical scheme and the improvement thereof of spirit and scope of the present utility model, it all should be encompassed in right of the present utility model.
Claims (2)
1. the cleaning system for VN alloy high temperature furnace, it is characterized in that, the secondary depassing unit (4) comprising the smoke collection pipe (5) be communicated with high temperature furnace, the cooling bay (6) be connected with described smoke collection pipe (5), the sack cleaner (7) be connected with described cooling bay (6), the pond (2) be connected with described sack cleaner (7), the one-level depassing unit (3) be connected with described pond (2) and be connected with described one-level depassing unit (3).
2. the cleaning system for VN alloy high temperature furnace according to claim 1, is characterized in that, described secondary depassing unit (4) is connected with described high temperature furnace.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420834970.7U CN204359149U (en) | 2014-12-25 | 2014-12-25 | A kind of cleaning system for VN alloy high temperature furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420834970.7U CN204359149U (en) | 2014-12-25 | 2014-12-25 | A kind of cleaning system for VN alloy high temperature furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204359149U true CN204359149U (en) | 2015-05-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420834970.7U Expired - Fee Related CN204359149U (en) | 2014-12-25 | 2014-12-25 | A kind of cleaning system for VN alloy high temperature furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204359149U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107039560A (en) * | 2017-04-20 | 2017-08-11 | 通威太阳能（合肥）有限公司 | A kind of low solar panel sintering process of pollution rate |
-
2014
- 2014-12-25 CN CN201420834970.7U patent/CN204359149U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107039560A (en) * | 2017-04-20 | 2017-08-11 | 通威太阳能（合肥）有限公司 | A kind of low solar panel sintering process of pollution rate |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160926 Address after: 437500 Drum Tower West Road, Chongyang Economic Development Zone, Xianning, Hubei Patentee after: Chongyang County Yong Qing Vanadium Alloy Co., Ltd. Address before: City Industrial Park 437500 Xianning city Hubei County of Chongyang Province Patentee before: Green hill, Chongyang County vanadium iron Trade Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150527 Termination date: 20151225 |
|
| EXPY | Termination of patent right or utility model |