CN215676503U - A raw materials preheater for zinc oxide production - Google Patents
A raw materials preheater for zinc oxide production Download PDFInfo
- Publication number
- CN215676503U CN215676503U CN202122175652.7U CN202122175652U CN215676503U CN 215676503 U CN215676503 U CN 215676503U CN 202122175652 U CN202122175652 U CN 202122175652U CN 215676503 U CN215676503 U CN 215676503U
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- Prior art keywords
- heat conduction
- zinc oxide
- raw material
- feed back
- heat
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- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 title claims abstract description 98
- 239000002994 raw material Substances 0.000 title claims abstract description 49
- 239000011787 zinc oxide Substances 0.000 title claims abstract description 49
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 24
- 239000002918 waste heat Substances 0.000 claims abstract description 19
- 238000007599 discharging Methods 0.000 claims abstract description 5
- 230000005540 biological transmission Effects 0.000 claims description 5
- 238000005057 refrigeration Methods 0.000 claims 1
- 239000007789 gas Substances 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 7
- 230000001360 synchronised effect Effects 0.000 abstract description 4
- 238000012856 packing Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 description 12
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 239000002674 ointment Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
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- Inorganic Compounds Of Heavy Metals (AREA)
Abstract
The utility model relates to the technical field of zinc oxide production, and discloses a raw material preheating furnace for zinc oxide production, in order to improve the preheating efficiency of a zinc oxide raw material, a preheating assembly is wound around the outer side of a return square column, a feeding pipeline penetrates through the middle position of the inner side of the return square column, the inner wall of the feeding pipeline penetrates through the return square column and is symmetrically provided with return pipelines, and a spiral auger penetrates through the inner side of the feeding pipeline. According to the utility model, through synchronous waste heat conduction of the two groups of heat conduction pipes in the preheating assembly, the high-efficiency utilization of steam tail gas can be improved, the high-efficiency heat conduction performance of the two groups of heat conduction pipes can be ensured, the preheating efficiency of the zinc oxide raw material can be improved, and in the waste heat process, the zinc oxide raw material can be fully and comprehensively contacted and preheated with the preheating assembly under the feeding and discharging of the feeding back pipeline and the feeding back platform through the spiral conveying of the spiral packing auger.
Description
Technical Field
The utility model relates to the technical field of zinc oxide production, in particular to a raw material preheating furnace for zinc oxide production.
Background
Zinc oxide is a commonly used chemical additive, and is widely used in the manufacture of products such as plastics, silicate products, synthetic rubber, lubricating oil, paint, coating, ointment, adhesive, food, batteries, flame retardant, etc., during the production process, pure metallic zinc is melted in a graphite crucible, and is evaporated at a temperature higher than 907 ℃ (usually about 1000 ℃) to form zinc vapor, the vapor is oxidized by oxygen in the air to generate zinc oxide, the oxidation process can emit shining light and simultaneously reduce the temperature, then zinc oxide particles are collected in a dust collection chamber through a cooling conveying pipe, and the generated vapor tail gas is often collected and recycled for the preheating process of zinc oxide raw materials.
However, the raw material preheating furnace for zinc oxide production in the current market has some defects, the traditional preheating furnace has a single structure and low preheating efficiency, and the raw material preheating furnace cannot effectively preheat zinc oxide raw materials in an all-round manner in the preheating process. Accordingly, those skilled in the art have provided a raw material preheating furnace for zinc oxide production to solve the problems set forth in the above background art.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a raw material preheating furnace for zinc oxide production, which solves the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a raw materials preheater for zinc oxide production, includes the exhaust-heat furnace body, the top of exhaust-heat furnace body is located both sides position department symmetry and has seted up the dog-house, and the below of exhaust-heat furnace body is located awl end position department and has seted up the discharge opening, the inboard of exhaust-heat furnace body is located bottom position department and is provided with the supporting foot rest, the top of supporting foot rest is fixed with the feed back square column, the outside of feed back square column is surrounded and is had preheating assembly, and the inboard of feed back square column is located middle part position department and runs through and has seted up charge-in pipeline, charge-in pipeline's inner wall runs through the feed back square column symmetry and has seted up the feed back pipeline, and the inboard through connection of feed-in pipeline has the spiral auger, the output of spiral auger runs through the terminal surface of exhaust-heat furnace body and transmission motor's output fixed connection.
As a still further scheme of the utility model: preheating component includes two sets of fixed grillage, the inboard of fixed grillage is located first position department and cup joints and is fixed with first heat pipe, and the inboard of fixed grillage is located lower half position department and cup joints and is fixed with the second heat pipe, fixed grillage respectively with first heat pipe and second heat pipe fixed connection through fixed axle sleeve, the top of first heat pipe is connected with first heat import valve, and the trailing end connection of first heat pipe has first cold volume outlet valve, the top of second heat pipe is connected with second heat import valve, and the trailing end connection of second heat pipe has second cold volume outlet valve.
As a still further scheme of the utility model: the first heat conduction pipe and the second heat conduction pipe are both of square spiral structures, and the number of the spirals of the first heat conduction pipe and the number of the spirals of the second heat conduction pipe are not less than six.
As a still further scheme of the utility model: the top end of the feed back square column is provided with a feed back platform which is of a conical structure.
As a still further scheme of the utility model: the quantity of the material returning pipelines is four groups, each group is not less than five, and the material returning pipelines are arranged in a cross-shaped symmetrical mode relative to the horizontal center of the material returning square column.
As a still further scheme of the utility model: the outer diameter of the spiral auger is matched with the inner diameter of the feeding pipeline.
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, through synchronous waste heat conduction of the two groups of heat conduction pipes in the preheating assembly, the high-efficiency utilization of steam tail gas can be improved, the high-efficiency heat conduction performance of the two groups of heat conduction pipes can be ensured, the preheating efficiency of the zinc oxide raw material can be improved, in the waste heat process, the zinc oxide raw material can be fully and comprehensively contacted and preheated with the preheating assembly through spiral conveying of the spiral auger to the zinc oxide raw material under the feeding back and discharging of the feeding back pipeline and the feeding back platform, and further the comprehensiveness of the zinc oxide raw material preheating is improved.
Drawings
FIG. 1 is a schematic view of a raw material preheating furnace for zinc oxide production;
FIG. 2 is a schematic view showing the inside of a raw material preheating furnace for zinc oxide production;
FIG. 3 is a schematic diagram of a preheating assembly in a raw material preheating furnace for zinc oxide production.
In the figure: 1. a waste heat furnace body; 2. a feeding port; 3. a drive motor; 4. a discharge opening; 5. a material returning platform; 6. a preheating assembly; 61. fixing the plate frame; 62. fixing the shaft sleeve; 63. a first heat conductive pipe; 64. a first heat inlet valve; 65. a first cold output valve; 66. a second cold output valve; 67. a second heat conductive pipe; 68. a second heat inlet valve; 7. returning the square column; 8. a return conduit; 9. a feed conduit; 10. a spiral auger; 11. and a supporting foot rest.
Detailed Description
Referring to fig. 1 to 3, in the embodiment of the present invention, a raw material preheating furnace for zinc oxide production includes a waste heat furnace body 1, material feeding ports 2 are symmetrically disposed at two sides of the upper portion of the waste heat furnace body 1, a material discharging port 4 is disposed at a conical bottom of the lower portion of the waste heat furnace body 1, a supporting foot rest 11 is disposed at a bottom end of the inner side of the waste heat furnace body 1, a material returning square column 7 is fixed at a top end of the supporting foot rest 11, a preheating assembly 6 is surrounded at an outer side of the material returning square column 7, the preheating assembly 6 includes two sets of fixing plate frames 61, a first heat conducting pipe 63 is fixedly sleeved at an upper half portion of the inner side of the fixing plate frame 61, a second heat conducting pipe 67 is fixedly sleeved at a lower half portion of the inner side of the fixing plate frame 61, the fixing plate frame 61 is fixedly connected with the first heat conducting pipe 63 and the second heat conducting pipe 67 through a fixing shaft sleeve 62, a first heat inlet valve 64 is connected at a top end of the first heat conducting pipe 63, and the tail end of the first heat conduction pipe 63 is connected with a first cold output valve 65, the top end of the second heat conduction pipe 67 is connected with a second heat input valve 68, the tail end of the second heat conduction pipe 67 is connected with a second cold output valve 66, the first heat conduction pipe 63 and the second heat conduction pipe 67 are both in square spiral structure, the number of the spiral of the first heat conduction pipe 63 and the number of the spiral of the second heat conduction pipe 67 are not less than six, when the zinc oxide raw material is preheated, the steam tail gas generated in the production is respectively transmitted into the first heat conduction pipe 63 and the second heat conduction pipe 67 through the first heat input valve 64 and the second heat input valve 68, the heat conduction treatment is carried out on the first heat conduction pipe 63 and the second heat conduction pipe 67, the tail gas after heat conduction is respectively circularly discharged through the first cold output valve 65 and the second cold output valve 66, the synchronous worker pours the zinc oxide raw material into the waste heat furnace body 1 through the feed port 2, in the falling process, the zinc oxide raw material slides onto the first heat conduction pipe 63 and the second heat conduction pipe 67 through the material returning platform 5, and performs sufficient heat exchange treatment with the first heat conduction pipe 63 and the second heat conduction pipe 67.
A feed pipeline 9 is arranged at the middle position of the inner side of the feed back square column 7 in a penetrating manner, feed back pipelines 8 are symmetrically arranged on the inner wall of each feed pipeline 9 through the feed back square column 7, a feed back platform 5 is arranged at the top end of the feed back square column 7, each feed back platform 5 is of a conical structure, the number of the feed back pipelines 8 is four, each group is at least five, the feed back pipelines 8 are symmetrically arranged in a cross-shaped manner relative to the horizontal center of the feed back square column 7, when zinc oxide raw materials are pumped in the feed pipeline 9, a part of the raw materials are discharged through the feed back pipelines 8 symmetrically arranged in a cross-shaped manner, fall back onto the preheating assembly 6 and are subjected to cyclic heat exchange treatment with the preheating assembly 6, the other part of the raw materials are discharged through the feed back platform 5 of the conical structure and fall back onto the preheating assembly 6 to be subjected to cyclic heat exchange treatment with the preheating assembly 6, after the zinc oxide raw materials are preheated, a switch of the discharge opening 4 is opened, discharging the preheated zinc oxide raw material.
The inner side of the feeding pipeline 9 is connected with a spiral auger 10 in a penetrating manner, the output end of the spiral auger 10 penetrates through the end face of the waste heat furnace body 1 and is fixedly connected with the output end of the transmission motor 3, the outer diameter of the spiral auger 10 is matched with the inner diameter of the feeding pipeline 9, and when zinc oxide raw materials are circularly accumulated at the bottom of the waste heat furnace body 1, the transmission motor 3 works to drive the spiral auger 10 to rotate and spirally pump the zinc oxide raw materials into the feeding pipeline 9.
The working principle of the utility model is as follows: when the zinc oxide raw material is preheated, the steam tail gas generated in production is respectively conveyed into the first heat conduction pipe 63 and the second heat conduction pipe 67 through the first heat inlet valve 64 and the second heat inlet valve 68, the heat conduction treatment is carried out on the first heat conduction pipe 63 and the second heat conduction pipe 67, the tail gas after heat conduction is circularly discharged through the first cold output valve 65 and the second cold output valve 66 respectively, synchronous workers pour the zinc oxide raw material into the waste heat furnace body 1 through the feeding port 2, the zinc oxide raw material slides onto the first heat conduction pipe 63 and the second heat conduction pipe 67 through the material return platform 5 in the falling process, the zinc oxide raw material is fully subjected to heat exchange treatment with the first heat conduction pipe 63 and the second heat conduction pipe 67, when the zinc oxide raw material is circularly accumulated at the bottom of the waste heat furnace body 1, the transmission motor 3 works to drive the spiral auger 10 to rotate, and spirally pump the zinc oxide raw material into the feeding pipeline 9, when the zinc oxide raw materials are pumped in the feeding pipeline 9, a part of the raw materials are discharged through the material return pipeline 8 which is in cross-shaped symmetrical arrangement, fall back to the preheating assembly 6 and are subjected to circulating heat exchange treatment with the preheating assembly 6, the other part of the raw materials are discharged through the material return platform 5 with a conical structure and fall back to the preheating assembly 6 and are subjected to circulating heat exchange treatment with the preheating assembly 6, after the zinc oxide raw materials are preheated, the switch of the discharge opening 4 is opened, and the preheated zinc oxide raw materials are discharged.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to or changed within the scope of the present invention.
Claims (6)
1. A raw material preheating furnace for zinc oxide production comprises a waste heat furnace body (1) and is characterized in that feeding ports (2) are symmetrically formed in positions on two sides of the upper portion of the waste heat furnace body (1), a discharging port (4) is formed in a position, located at a conical bottom, of the lower portion of the waste heat furnace body (1), a supporting foot rest (11) is arranged at a position, located at a bottom end, of the inner side of the waste heat furnace body (1), a feed back square column (7) is fixed to the top end of the supporting foot rest (11), a preheating assembly (6) is wound on the outer side of the feed back square column (7), a feed pipeline (9) penetrates through a position, located at the middle of the inner side of the feed back square column (7), a feed back pipeline (8) is symmetrically formed in the inner wall of the feed pipeline (9) through the feed back square column (7), and a spiral auger (10) penetrates through the inner side of the feed pipeline (9), the output end of the spiral auger (10) penetrates through the end face of the waste heat furnace body (1) and is fixedly connected with the output end of the transmission motor (3).
2. A raw material preheating furnace for zinc oxide production according to claim 1, the preheating assembly (6) comprises two groups of fixing plate frames (61), the inner sides of the fixing plate frames (61) are positioned at the upper half parts and fixedly sleeved with first heat conduction pipes (63), and the inner side of the fixed plate frame (61) is sleeved and fixed with a second heat conduction pipe (67) at the lower half part, the fixing plate frame (61) is respectively fixedly connected with the first heat conduction pipe (63) and the second heat conduction pipe (67) through a fixing shaft sleeve (62), the top end of the first heat conducting pipe (63) is connected with a first heat inlet valve (64), and the tail end of the first heat conduction pipe (63) is connected with a first cold outlet valve (65), the top end of the second heat conduction pipe (67) is connected with a second heat inlet valve (68), and the tail end of the second heat conduction pipe (67) is connected with a second refrigeration output valve (66).
3. A raw material preheating furnace for zinc oxide production according to claim 2, wherein the first heat conduction pipe (63) and the second heat conduction pipe (67) are both in a square spiral structure, and the number of the spirals of the first heat conduction pipe (63) and the second heat conduction pipe (67) is not less than six.
4. The raw material preheating furnace for zinc oxide production according to claim 1, characterized in that the top end of the feed back square column (7) is provided with a feed back platform (5), and the feed back platform (5) is of a conical structure.
5. A raw material preheating furnace for zinc oxide production according to claim 1, characterized in that the number of the feed back pipes (8) is four, each group is not less than five, and the feed back pipes (8) are arranged in a criss-cross symmetrical arrangement with respect to the horizontal center of the feed back square column (7).
6. The raw material preheating furnace for zinc oxide production according to claim 1, wherein the outer diameter of the spiral auger (10) is adapted to the inner diameter of the feeding pipeline (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122175652.7U CN215676503U (en) | 2021-09-09 | 2021-09-09 | A raw materials preheater for zinc oxide production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122175652.7U CN215676503U (en) | 2021-09-09 | 2021-09-09 | A raw materials preheater for zinc oxide production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215676503U true CN215676503U (en) | 2022-01-28 |
Family
ID=79962034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122175652.7U Expired - Fee Related CN215676503U (en) | 2021-09-09 | 2021-09-09 | A raw materials preheater for zinc oxide production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215676503U (en) |
-
2021
- 2021-09-09 CN CN202122175652.7U patent/CN215676503U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220128 |