CN203024402U - Combined air heat exchanger for hot air sintering experiments - Google Patents
Combined air heat exchanger for hot air sintering experiments Download PDFInfo
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- CN203024402U CN203024402U CN 201220721237 CN201220721237U CN203024402U CN 203024402 U CN203024402 U CN 203024402U CN 201220721237 CN201220721237 CN 201220721237 CN 201220721237 U CN201220721237 U CN 201220721237U CN 203024402 U CN203024402 U CN 203024402U
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- air
- heat exchange
- heat exchanger
- hot blast
- pipe
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Abstract
The utility model relates to a combined air heat exchanger for hot air sintering experiments. The combined air heat exchanger comprises an air blower, an air inlet nipple, an air inlet baffle, a combined heat exchange unit, an air outlet baffle, an air outlet nipple, an air outlet pipeline, an air volume butterfly valve, an elbow, a thermocouple and a sintering cup, wherein air is blown to the combined heat exchange unit for convection and heat exchange by the air blower through the air inlet nipple, thus becoming the hot air needed by the hot air sintering experiments; the hot air enters in the air outlet pipeline through the air outlet nipple; and a resistance wire is evenly wound on a ceramic firing pipe. The air volume butterfly valve can be used for regulating the flow rate of inlet air, and the air enters in the sintering cup through the elbow; and the thermocouple can be used for measuring the temperature of outlet air, and the combined heat exchange unit is controlled to be capable of realizing the regulation and steadying of the temperature of the hot air. The device can provide regulable hot air with stable flow rate and constant temperature under laboratory conditions, the materials are easily available, the use is safe, the cost is low, the installation is convenient, the experimental cost can be effectively lowered, and the experimental efficiency can be improved.
Description
Technical field
The utility model sintering experiment device technique field, particularly a kind of sintering hot blast experiment combination type air heat exchanger.
Background technology
Sintering is the important procedure of iron and steel metallurgical industry.Along with making constant progress of sintering technology, the hot gas sintering technology has appearred.Hot gas sintering is for improving the index level successfuls such as sintering deposit quality in kind, usage factor, consumption.For groping in the situation that the difference material than structure, hot blast need carry out sintering hot blast experiment to the impact of sintering machine production efficiency and sinter quality.
Under laboratory condition, safety obtains comparatively difficulty of stability of flow, temperature constant and adjustable hot blast.Not only volume is large for traditional coal gas recuperative furnace, cost is high, and also higher for the requirement of security of system performance, also exists temperature to be difficult to the problems such as adjusting.Cause the reference value of the result of sintering experiment greatly to reduce.Therefore, need a cover that regime flow can be provided, the experiment equipment of steady temperature and adjustable hot blast.
The utility model content
Technical problem to be solved in the utility model is to provide a kind of stability of flow, temperature constant and adjustable sintering hot blast experiment combination type air heat exchanger.
For solving the problems of the technologies described above, the utility model provides a kind of sintering hot blast experiment to use the combination type air heat exchanger, comprising: air blast, and the air intake pipe nipple, at least one makes up heat exchange unit, air-out pipe nipple, wind pipe; It is characterized in that, described combination heat exchange unit comprises: at least one heat exchange element; Described heat exchange element comprises: resistance wire and porcelain burn pipe;
Described air blast is kept watch by described air intake pipe nipple and is blown into described combination heat exchange unit and carries out heat convection, has become the hot blast that the experiment of sintering hot blast needs; Hot blast passes described air-out pipe nipple and enters described wind pipe; Described resistance wire evenly is coiled in described porcelain and burns on pipe.
Further, described combined type heat exchange unit also comprises: the fixing end plate of annular is provided with for the fixing projection of porcelain burning pipe; Described porcelain burning pipe two ends are socketed in respectively on projection, and described a pair of fixedly end plate is clamped to a few porcelain and burns pipe.
Further, described combined type heat exchange unit also comprises: welded tube and the support that is placed in welded tube inside; Described fixedly end plate is welded in described welded tube by described bracket-suspending, keeps a determining deviation with tube wall.
Further, in described welded tube, the combination heat exchange unit can a plurality of serial connections form multi-stage heat exchanger more together.
Further, also comprise: air intake baffle plate and air outlet guard board; Described air intake baffle plate and air outlet guard board are offered respectively at least one circular hole, are placed in described combined type heat exchange unit two ends; Described tube-welding is between the circular hole that described air intake baffle plate and air outlet guard board are offered.
Further, also comprise: the air quantity butterfly valve; Described air quantity butterfly valve is placed in described wind pipe.
Further, also comprise: elbow and sintered cup; Described elbow is the pipe of one section bending, is welded on the end of wind pipe; Described sintered cup is placed under elbow.
Further, the diameter of described wind pipe and described elbow is consistent with the diameter of described sintered cup.
Further, also comprise: thermocouple; Described thermocouple is placed in described elbow.
The experiment of sintering hot blast that the utility model provides can provide stability of flow, temperature constant, controlled hot blast with the combination type air heat exchanger under laboratory condition, and be convenient to draw materials, use safe, with low cost, installation is convenient.Can use a covering device in carrying out sintering hot blast experimentation, carry out the hot blast experiment under the various temperature condition; With effective reduction ground experimental cost, improve conventional efficient.
Description of drawings
The sintering hot blast experiment combination type air heat exchanger structure schematic diagram that Fig. 1 provides for the utility model embodiment;
Combination heat exchange unit 4 structural representations that Fig. 2 provides for the utility model embodiment;
Heat exchange element 5 distribution schematic diagrams in the combination heat exchange unit 4 that Fig. 3 implements to provide for the utility model;
Air intake baffle plate 3 and corresponding air outlet guard board 6 structural representations that Fig. 4 provides for the utility model enforcement;
Wherein, 1-air blast, 2-air intake pipe nipple, 3-air intake baffle plate, 4-makes up heat exchange unit, 5-heat exchange element, 6-air outlet guard board, 7-air-out pipe nipple, 8-wind pipe, 9-air quantity butterfly valve, the 10-elbow, 11-thermocouple, 12-sintered cup, the 13-set bolt, the 14-porcelain burns pipe, 15-resistance wire, the 16-welded tube, 17-is end plate fixedly, the 18-support.
The specific embodiment
Referring to Fig. 1, Fig. 2, the combination type air heat exchanger is used in a kind of sintering hot blast experiment that the utility model embodiment provides, and comprising: air blast 1, air intake pipe nipple 2, air intake baffle plate 3, combination heat exchange unit 4, air outlet guard board 6, air-out pipe nipple 7, wind pipe 8, air quantity butterfly valve 9, elbow 10, thermocouple 11 and sintered cup 12; Wherein, described combined type heat exchange unit 4 comprises: at least one heat exchange element 5, and fixedly end plate 17, welded tube 16 and support 18; Described heat exchange element comprises: resistance wire 15, porcelain burns pipe 14 and set bolt 13.
Wherein, successively by air intake pipe nipple 2, air intake baffle plate 3 is sent into combined type heat exchange unit 4 to air blast 1 with wind, forms hot blast; Described hot blast passes through air outlet guard board 6 successively, air-out pipe nipple 7, and wind pipe 8, elbow 10 enters sintered cup 12; Above-mentioned air quantity butterfly valve 9 is placed in wind pipe 8; Above-mentioned thermocouple 11 is placed in elbow 10.
Preferably, the diameter of described wind pipe 8 and elbow 10 and the diameter of sintered cup 12 are consistent, and keep stable blast, and then keep the stable of hot air flow, thereby avoid this equipment that the blast in experimentation is impacted.Can increase in addition the combination heat exchange unit 4 of some according to the difference of the hot blast temperature of requirement of experiment, be serially connected, form multi-stage heat exchanger, thereby satisfy different experiments to the requirement of hot blast temperature.
Referring to Fig. 2, combination heat exchange unit 4 structural representations that the utility model embodiment provides; In combinations thereof heat exchange unit 4, described resistance wire 15 evenly is coiled in porcelain and burns on pipe 14, and two ends are by the fixing formation heat exchange element 5 of set bolt 13; Fixedly end plate 17 combinations are fixing by the annular with cylindrical protrusion for a plurality of heat exchange elements 5, consist of the heat exchange structure of combination heat exchange unit 4; Preferably, above-mentioned heat exchange structure is fixed in welded tube 16 by support 18 is unsettled, keeps a determining deviation, the combination heat exchange unit 4 of complete with tube wall.
Referring to Fig. 3, heat exchange element 5 distribution schematic diagrams in the combination heat exchange unit 4 that the utility model is implemented to provide; Wherein, described heat exchange element 5 is evenly distributed in fixedly on end plate 17, and the two ends that porcelain burns pipe 14 are socketed on columned projection, fix by columned projection; Fixedly end plate 17 is fixed in welded tube 16 by support 18 is unsettled, and keeps certain distance with tube wall.Above-mentioned Welding Structure can guarantee that heat exchange element 5 fully contacts with air, thereby improves heat exchange efficiency.
Preferably, fixedly on end plate 17, the quantity of cylindrical protrusion can be a plurality of, and the quantity of corresponding heat exchange element 5 is also increased, thereby has promoted the heat exchange efficiency in unit space, and then promotes the heat exchange efficiency of whole device.
Referring to Fig. 4, the air intake baffle plate 3 that the utility model enforcement provides and corresponding air outlet guard board 6 structural representations; Described air intake baffle plate 3 and air outlet guard board 6 are offered respectively a hole at least, as with combination heat exchange unit 4 in the welding hole of welded tube 16, guarantee that with this wind energy of passing through enough all enters heat exchange unit, thereby keep constant flow and blast, guarantee the high-performance of experiment equipment.
Preferably, in order to improve heat exchange efficiency, can offer a plurality of circular holes on above-mentioned air intake baffle plate 3 and air outlet guard board 6, thereby increase the quantity of heat exchange unit 4, improving heat exchanging efficiency to a certain extent.
The heat exchanger that the utility model provides, preferred, can adopt frequency conversion air blast 1 to satisfy experiment to the requirement of blast and wind flow; Air quantity butterfly valve 9 can be strengthened the adjusting of wind flow simultaneously; In addition, thermocouple 11 temperature by measuring in real time wind with this as feedback information instruct the combination heat exchange unit for outage, thereby further keep the constant temperature of wind, improve conventional efficient.
It should be noted last that, the above specific embodiment is only unrestricted in order to the technical solution of the utility model to be described, although with reference to example, the utility model is had been described in detail, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement the technical solution of the utility model, and not breaking away from the spirit and scope of technical solutions of the utility model, it all should be encompassed in the middle of claim scope of the present utility model.
Claims (9)
1. the combination type air heat exchanger is used in a sintering hot blast experiment, comprising: air blast (1), and air intake pipe nipple (2), at least one makes up heat exchange unit (4), air-out pipe nipple (7), wind pipe (8); It is characterized in that, described combination heat exchange unit (4) comprising: at least one heat exchange element (5); Described heat exchange element (5) comprising: resistance wire (15) and porcelain burn pipe (14);
Described air blast (1) is kept watch by described air intake pipe nipple (2) and is blown into described combination heat exchange unit (4) and carries out heat convection, has become the hot blast that the experiment of sintering hot blast needs; Hot blast passes described air-out pipe nipple (7) and enters described wind pipe (8); Described resistance wire (15) evenly is coiled in described porcelain and burns on pipe (14).
2. sintering hot blast as claimed in claim 1 is tested and is used the combination type air heat exchanger, it is characterized in that, described combination heat exchange unit (4) also comprises: the fixing end plate (17) of annular, described annular fixedly end plate (17) are provided with the projection of managing (14) for fixing porcelain burning; Described porcelain burning pipe (14) two ends are socketed in respectively on projection, and described fixedly end plate (17) clamps at least one porcelain and burns pipe (14).
3. the combination type air heat exchanger is used in sintering hot blast experiment as claimed in claim 2, it is characterized in that, described combination heat exchange unit (4) also comprises: welded tube (16) and the support (18) that is welded on welded tube inside; Described annular fixedly end plate (17) is fixed on described support (18), and is unsettled in described welded tube (16), keeps a determining deviation with tube wall.
4. the combination type air heat exchanger use in sintering hot blast as claimed in claim 3 experiment, it is characterized in that, in described welded tube (16), makes up heat exchange unit (4) the formation multi-stage heat exchanger that can a plurality ofly be serially connected.
5. the combination type air heat exchanger is used in sintering hot blast experiment as claimed in claim 3, it is characterized in that, also comprises: air intake baffle plate (3) and air outlet guard board (6); Described air intake baffle plate (3) is offered at least one circular hole, and described air outlet guard board (6) is consistent with above-mentioned air intake baffle plate (3) structure; Described welded tube (16) is welded between the circular hole that described air intake baffle plate (3) and air outlet guard board (6) offer.
6. the combination type air heat exchanger is used in sintering hot blast experiment as claimed in claim 1, it is characterized in that, also comprises: air quantity butterfly valve (9); Described air quantity butterfly valve (9) is placed in described wind pipe (8).
7. the combination type air heat exchanger is used in sintering hot blast experiment as described in claim 1-6 any one, it is characterized in that, also comprises: elbow (10) and sintered cup (12); Described elbow (10) is the pipe of one section bending, is welded on the end of wind pipe (8); Described sintered cup (12) is placed under elbow (10).
8. the combination type air heat exchanger is used in sintering hot blast experiment as claimed in claim 7, it is characterized in that, the diameter of described wind pipe (8) and described elbow (10) is consistent with the diameter of described sintered cup (12).
9. the combination type air heat exchanger is used in sintering hot blast experiment as claimed in claim 7, it is characterized in that, also comprises: thermocouple (11); Described thermocouple (11) is placed in described elbow (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220721237 CN203024402U (en) | 2012-12-24 | 2012-12-24 | Combined air heat exchanger for hot air sintering experiments |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220721237 CN203024402U (en) | 2012-12-24 | 2012-12-24 | Combined air heat exchanger for hot air sintering experiments |
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| Publication Number | Publication Date |
|---|---|
| CN203024402U true CN203024402U (en) | 2013-06-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220721237 Expired - Fee Related CN203024402U (en) | 2012-12-24 | 2012-12-24 | Combined air heat exchanger for hot air sintering experiments |
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| CN (1) | CN203024402U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103196745A (en) * | 2013-04-28 | 2013-07-10 | 天津出入境检验检疫局化矿金属材料检测中心 | Convenient extensometer clamping device and using method thereof |
| CN106940084A (en) * | 2017-04-24 | 2017-07-11 | 天津镭恒自动化科技有限公司 | A kind of thermostat for air-heater gas outlet |
-
2012
- 2012-12-24 CN CN 201220721237 patent/CN203024402U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103196745A (en) * | 2013-04-28 | 2013-07-10 | 天津出入境检验检疫局化矿金属材料检测中心 | Convenient extensometer clamping device and using method thereof |
| CN103196745B (en) * | 2013-04-28 | 2015-07-15 | 天津出入境检验检疫局化矿金属材料检测中心 | Convenient extensometer clamping device and using method thereof |
| CN106940084A (en) * | 2017-04-24 | 2017-07-11 | 天津镭恒自动化科技有限公司 | A kind of thermostat for air-heater gas outlet |
| CN106940084B (en) * | 2017-04-24 | 2022-06-17 | 天津镭恒自动化科技有限公司 | Constant temperature device for air outlet of air heater |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100041 Shijingshan Road, Beijing, No. 68, No. Patentee after: SHOUGANG GROUP Co.,Ltd. Address before: 100041 Shijingshan Road, Beijing, No. 68, No. Patentee before: SHOUGANG Corp. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130626 Termination date: 20211224 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |