CN104671279B - A kind of kiln for producing zinc oxide - Google Patents
A kind of kiln for producing zinc oxide Download PDFInfo
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- CN104671279B CN104671279B CN201510102553.2A CN201510102553A CN104671279B CN 104671279 B CN104671279 B CN 104671279B CN 201510102553 A CN201510102553 A CN 201510102553A CN 104671279 B CN104671279 B CN 104671279B
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- smoke exhaust
- exhaust pipe
- combustor
- kiln
- air inlet
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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
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
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- Organic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
- Inorganic Chemistry (AREA)
Abstract
The invention discloses the kiln for producing zinc oxide of heat in a kind of recoverable flue gas, including: the oxidizing chamber surrounded by furnace wall, burner hearth, flue and combustor, combustor is provided with burner, flue is provided with zinc melting pot, burner hearth is provided with evaporation boiler, mozzle it is provided with between zinc melting pot and evaporation boiler, the top of evaporation boiler is provided with the volatilization passage communicated with oxidizing chamber, flue outlet place is connected to smoke exhaust pipe, smoke exhaust pipe is provided with heat exchanger, upper at heat exchanger on smoke exhaust pipe, it is respectively arranged below with air inlet and air outlet, air inlet on the tube wall of smoke exhaust pipe is connected with the air outlet of the blower fan being arranged on below smoke exhaust pipe, air outlet on smoke exhaust pipe is connected with the air inlet of the blast pipe being arranged on above smoke exhaust pipe, the pipeline of blast pipe is provided with electromagnetic valve, the air outlet of blast pipe communicates with combustor.This kiln can utilize the waste heat in flue gas fully, reduces energy resource consumption, saves production cost.
Description
Technical field
The present invention relates to a kind of kiln, refer more particularly to a kind of kiln for producing the metal-oxides such as zinc oxide.
Background technology
At present, it is traditionally used for producing the kiln of zinc oxide, its structure generally includes: the oxidizing chamber surrounded by furnace wall, burner hearth, flue and combustor, wherein, oxidizing chamber is positioned at crown, the wall of oxidizing chamber offers at least two air inlet, burner hearth is positioned at the lower section of oxidizing chamber, combustor is positioned at the lower section of burner hearth, and communicate with burner hearth, flue communicates with burner hearth, combustor is provided with burner, flue is provided with at least two zinc melting pot, described burner hearth is circumferentially evenly arranged and zinc melting pot evaporation boiler one to one, it is provided with volatilization passage between every zinc melting pot and corresponding evaporation boiler, the top of evaporation boiler is provided with the mozzle communicated with evaporation boiler, mozzle stretches in oxidizing chamber through furnace wall.In this kiln, zinc melting pot and evaporation boiler one to configuration are unreasonable, and zinc melting pot is underutilized, but also adds energy resource consumption；Further, since the flue gas in flue directly discharges, the heat in flue gas is caused to slattern in vain.
Summary of the invention
The technical problem to be solved is: provide a kind of zinc melting pot and the kiln for producing zinc oxide of evaporation boiler configuration heat rationally and in recoverable flue gas.
nullFor solving above-mentioned technical problem，The technical solution used in the present invention is: a kind of kiln for producing zinc oxide，Including: the oxidizing chamber surrounded by furnace wall、Burner hearth、Flue and combustor，Wherein，Oxidizing chamber is positioned at described crown，The wall of oxidizing chamber offers at least two air inlet，Described burner hearth is positioned at the lower section of oxidizing chamber，Described flue communicates with burner hearth，Described combustor is positioned at the lower section of burner hearth、And communicate with burner hearth，Combustor is provided with burner，Described flue is provided with at least two zinc melting pot，Described burner hearth is circumferentially evenly arranged quantity double in the evaporation boiler of zinc melting pot，Zinc melting pot is between corresponding a pair evaporation boiler，It is respectively arranged with mozzle between every zinc melting pot and a pair contiguous evaporation boiler，The top of evaporation boiler is provided with the volatilization passage communicated with oxidizing chamber，The port of volatilization passage is lower than the lower edge of the air inlet of oxidizing chamber，Described flue outlet place is connected to smoke exhaust pipe，Smoke exhaust pipe is provided with heat exchanger，Upper at heat exchanger on the tube wall of smoke exhaust pipe、Lower section offers air inlet and air outlet respectively，The air inlet of smoke exhaust pipe is connected with the air outlet of the blower fan being arranged on below smoke exhaust pipe，Air outlet on smoke exhaust pipe is connected with the air inlet of the blast pipe being arranged on above smoke exhaust pipe，The pipeline of blast pipe is provided with electromagnetic valve，The air outlet of blast pipe communicates with combustor.
As a kind of preferred version, in described a kind of kiln for producing zinc oxide, described burner is lower than the 1/5 of combustor height, and the air outlet of blast pipe is positioned at 2/5～3/5 place of combustor height.
As a kind of preferred version, in described a kind of kiln for producing zinc oxide, the air inlet of described oxidizing chamber is circumferentially evenly arranged.
As a kind of preferred version, in described a kind of kiln for producing zinc oxide, described electromagnetic valve is butterfly valve.
As a kind of preferred version, in described a kind of kiln for producing zinc oxide, described furnace wall is built into by refractory brick.
The invention has the beneficial effects as follows: the present invention by evaporation boiler and zinc melting pot according to two-to-one configuration so that zinc melting pot is fully utilized, and namely zinc melting pot is substantially operated at full capacity, thus reducing energy resource consumption；Additionally, reclaimed the heat of flue gas in flue by heat exchanger, reduce further energy resource consumption, reduce production cost.It addition, by the height of burner lower than the 1/5 of combustor height, the air outlet of blast pipe is arranged on 2/5～3/5 place of combustor height so that the temperature environment in combustor is more reasonable, improves the utilization rate of the energy.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Accompanying drawing in Fig. 1 is labeled as: 1, furnace wall, and 2, flue, 3, combustor, 4, burner, 5, zinc melting pot, 6, evaporation boiler, 61, volatilization passage, 7, mozzle, 9, blower fan, 10, smoke exhaust pipe, 11, heat exchanger, 12, blast pipe, 121, air outlet, 13, electromagnetic valve, 14, burner hearth, 15, oxidizing chamber, 151, air inlet.
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiments of of the present invention a kind of kiln for produce zinc oxide is described in detail:
nullAs shown in Figure 1，A kind of kiln for producing zinc oxide of the present invention，Including: the oxidizing chamber 15 that the furnace wall 1 being built into by refractory brick surrounds、Burner hearth 14、Flue 2 and combustor 3，Wherein，Oxidizing chamber 15 is positioned at described crown，The wall of oxidizing chamber 15 circumferentially uniformly offers at least two air inlet 151，Described burner hearth 14 is positioned at the lower section of oxidizing chamber 15，Combustor 3 is positioned at the lower section of burner hearth 14、And communicate with burner hearth 14，Flue 2 communicates with burner hearth 14，Described combustor 3 is provided with burner 4，Described flue 2 is provided with a pair zinc melting pot 5，Described burner hearth 14 has circumferentially been evenly arranged two pairs of evaporation boilers 6，Zinc melting pot 5 is between corresponding a pair evaporation boiler 6，It is respectively arranged with mozzle 7 between every zinc melting pot 5 and contiguous a pair evaporation boiler 6，The top of evaporation boiler 6 is provided with the volatilization passage 61 communicated with oxidizing chamber 15，The port of volatilization passage 61 is lower than the lower edge of the air inlet 151 of described oxidizing chamber 15，The exit of described flue 2 is connected to smoke exhaust pipe 10，Smoke exhaust pipe 10 is provided with heat exchanger 11，Upper at heat exchanger 11 on the tube wall of smoke exhaust pipe 10、Lower section offers air inlet and air outlet respectively，Air inlet on smoke exhaust pipe 10 is connected with the air outlet of the blower fan 9 being arranged on below smoke exhaust pipe 10，Air outlet on smoke exhaust pipe 10 is connected with the air inlet of the blast pipe 12 being arranged on above smoke exhaust pipe 10，The pipeline 12 of blast pipe is provided with electromagnetic valve 13，The air outlet 121 of blast pipe 12 communicates with combustor 3.In the present embodiment, described burner 4 is lower than the 1/5 of combustor 3 height, and the air outlet 121 of described blast pipe 12 is positioned at 2/5～3/5 place of combustor 3 height；Described electromagnetic valve 13 is butterfly valve.
Time actually used, zinc ingot metal or cadmia are placed in zinc melting pot 5, the zinc liquid that zinc ingot metal or cadmia are formed after melted by heat in zinc-melting furnace 5 enters evaporation boiler 6 through mozzle 7, zinc liquid in evaporation boiler 6 after high-temperature flue gas heats further, evaporated in oxidizing chamber 15 by volatilization passage 61, react with the air entered in oxidizing chamber 15 from air inlet 151, generate zinc oxide, the zinc oxide generated, after supercooling, collects pack of weighing.
In sum, it is only presently preferred embodiments of the present invention, not being used for limiting scope of the invention process, all equalizations made according to the shape described in the claims in the present invention scope, structure, feature and spirit change and modify, and all should include in scope of the presently claimed invention.
Claims (5)
- null1. the kiln being used for producing zinc oxide，Including: the oxidizing chamber surrounded by furnace wall、Burner hearth、Flue and combustor，Wherein，Oxidizing chamber is positioned at crown，The wall of oxidizing chamber offers at least two air inlet，Burner hearth is positioned at the lower section of oxidizing chamber，Combustor is positioned at the lower section of burner hearth、And communicate with burner hearth，Flue communicates with burner hearth，Combustor is provided with burner，It is characterized in that，Described flue is provided with at least two zinc melting pot，Described burner hearth is circumferentially evenly arranged quantity double in the evaporation boiler of zinc melting pot，Zinc melting pot is between corresponding a pair evaporation boiler，It is respectively arranged with mozzle between every zinc melting pot and a pair contiguous evaporation boiler，The top of evaporation boiler is provided with the volatilization passage communicated with oxidizing chamber，The port of volatilization passage is lower than the lower edge of the air inlet of described oxidizing chamber，Described flue outlet place is connected to smoke exhaust pipe，Smoke exhaust pipe is provided with heat exchanger，Upper at heat exchanger on the tube wall of smoke exhaust pipe、Lower section offers air inlet and air outlet respectively，The air inlet of smoke exhaust pipe is connected with the air outlet of the blower fan being arranged on below smoke exhaust pipe，Air outlet on smoke exhaust pipe is connected with the air inlet of the blast pipe being arranged on above smoke exhaust pipe，The pipeline of blast pipe is provided with electromagnetic valve，The air outlet of blast pipe communicates with combustor.
- 2. the kiln for producing zinc oxide as claimed in claim 1, it is characterised in that described burner is lower than the 1/5 of combustor height, and the air outlet of blast pipe is positioned at 2/5～3/5 place of combustor height.
- 3. the kiln for producing zinc oxide as claimed in claim 1, it is characterised in that the air inlet of described oxidizing chamber is circumferentially evenly arranged.
- 4. the kiln for producing zinc oxide as claimed in claim 1, it is characterised in that described electromagnetic valve is butterfly valve.
- 5. the kiln for producing zinc oxide as described in one of Claims 1-4, it is characterised in that described furnace wall is built into by refractory brick.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510102553.2A CN104671279B (en) | 2015-03-09 | 2015-03-09 | A kind of kiln for producing zinc oxide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510102553.2A CN104671279B (en) | 2015-03-09 | 2015-03-09 | A kind of kiln for producing zinc oxide |
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| Publication Number | Publication Date |
|---|---|
| CN104671279A CN104671279A (en) | 2015-06-03 |
| CN104671279B true CN104671279B (en) | 2016-07-06 |
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| CN201510102553.2A Active CN104671279B (en) | 2015-03-09 | 2015-03-09 | A kind of kiln for producing zinc oxide |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105692681A (en) * | 2016-03-17 | 2016-06-22 | 安徽颖达锌业发展有限公司 | Energy-saving zinc oxide kiln |
| CN109399694A (en) * | 2018-12-05 | 2019-03-01 | 马龙鹏泉环保有限公司 | A method of revolution Rotary Kiln extracts zinc oxide |
| CN110595209B (en) * | 2019-10-25 | 2024-07-09 | 赫章领轩环保科技有限公司 | Fire grate furnace for producing high-grade direct method zinc oxide production line |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3649186A (en) * | 1967-08-01 | 1972-03-14 | Montedison Spa | Continuous process for obtaining high-grade zinc oxide from zinc-containing minerals |
| CN2668647Y (en) * | 2003-10-21 | 2005-01-05 | 长沙威灵科技发展有限公司 | Apparatus for producing zinc oxide through indirect method by muffle reflection furnace |
| CN102040242A (en) * | 2010-12-17 | 2011-05-04 | 上海新奥能源科技有限公司 | Zinc oxide kiln |
| CN102092775A (en) * | 2010-12-17 | 2011-06-15 | 上海新奥能源科技有限公司 | Energy-saving zinc oxide kin |
| CN204454656U (en) * | 2015-03-09 | 2015-07-08 | 张家港市双龙氧化锌厂 | A kind of kiln for the production of zinc oxide |
-
2015
- 2015-03-09 CN CN201510102553.2A patent/CN104671279B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3649186A (en) * | 1967-08-01 | 1972-03-14 | Montedison Spa | Continuous process for obtaining high-grade zinc oxide from zinc-containing minerals |
| CN2668647Y (en) * | 2003-10-21 | 2005-01-05 | 长沙威灵科技发展有限公司 | Apparatus for producing zinc oxide through indirect method by muffle reflection furnace |
| CN102040242A (en) * | 2010-12-17 | 2011-05-04 | 上海新奥能源科技有限公司 | Zinc oxide kiln |
| CN102092775A (en) * | 2010-12-17 | 2011-06-15 | 上海新奥能源科技有限公司 | Energy-saving zinc oxide kin |
| CN204454656U (en) * | 2015-03-09 | 2015-07-08 | 张家港市双龙氧化锌厂 | A kind of kiln for the production of zinc oxide |
Non-Patent Citations (1)
| Title |
|---|
| "氧化锌法式圆炉燃烧系统及结构优化";吴竺等;《科技导报》;20120128;第30卷(第3期);第35-40页 * |
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| CN104671279A (en) | 2015-06-03 |
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Effective date of registration: 20200403 Address after: 215600 West Village, Fenghuang Town, Zhangjiagang, Jiangsu, Suzhou Patentee after: Zhangjiagang Kaiming zinc Co., Ltd Address before: 215612 Shuanglong Village, Shuanglong Town, Fenghuang Town, Zhangjiagang, Suzhou, Jiangsu,, Zhangjiagang Patentee before: ZHANGJIAGANG SHUANGLONG ZINC OXIDE FACTORY |
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