CN106900845B - Heat-resistant pulling force tubular exchanger - Google Patents
Heat-resistant pulling force tubular exchanger Download PDFInfo
- Publication number
- CN106900845B CN106900845B CN201710220733.XA CN201710220733A CN106900845B CN 106900845 B CN106900845 B CN 106900845B CN 201710220733 A CN201710220733 A CN 201710220733A CN 106900845 B CN106900845 B CN 106900845B
- Authority
- CN
- China
- Prior art keywords
- heat
- plate
- heat exchange
- exchange tubes
- partition plate
- Prior art date
- 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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- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 21
- 239000010935 stainless steel Substances 0.000 claims abstract description 21
- 238000007789 sealing Methods 0.000 claims abstract description 5
- 238000005192 partition Methods 0.000 claims description 18
- 230000017525 heat dissipation Effects 0.000 claims description 11
- 238000010438 heat treatment Methods 0.000 claims description 2
- 238000002955 isolation Methods 0.000 abstract description 6
- 238000001035 drying Methods 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 4
- 239000000463 material Substances 0.000 abstract description 2
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 238000001816 cooling Methods 0.000 abstract 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 3
- 239000003546 flue gas Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000003306 harvesting Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 230000035784 germination Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23B—PRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS
- A23B9/00—Preservation of edible seeds, e.g. cereals
- A23B9/08—Drying; Subsequent reconstitution
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/16—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/02—Header boxes; End plates
- F28F9/0236—Header boxes; End plates floating elements
- F28F9/0241—Header boxes; End plates floating elements floating end plates
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/02—Header boxes; End plates
- F28F9/04—Arrangements for sealing elements into header boxes or end plates
- F28F9/16—Arrangements for sealing elements into header boxes or end plates by permanent joints, e.g. by rolling
- F28F9/18—Arrangements for sealing elements into header boxes or end plates by permanent joints, e.g. by rolling by welding
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/22—Arrangements for directing heat-exchange media into successive compartments, e.g. arrangements of guide plates
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
- F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
- F28D2021/0042—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for foodstuffs
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/22—Arrangements for directing heat-exchange media into successive compartments, e.g. arrangements of guide plates
- F28F2009/222—Particular guide plates, baffles or deflectors, e.g. having particular orientation relative to an elongated casing or conduit
- F28F2009/224—Longitudinal partitions
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Chemical & Material Sciences (AREA)
- Food Science & Technology (AREA)
- Polymers & Plastics (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model provides a heat-resistant tension tube exchanger, which relates to the field of grain drying equipment, and comprises a frame, wherein an upper exchange plate and a lower exchange plate are welded on the frame, sealing plates are arranged on two sides of the frame, and a front air guide box and a rear air guide box are respectively arranged in front of and behind the frame; two groups of heat exchange tubes are arranged between the upper exchange plate and the lower exchange plate, a heat-resistant stainless steel sleeve is nested at the top of the first group of heat exchange tubes, the heat-resistant stainless steel sleeve is fully welded with the upper exchange plate, the bottom of the first group of heat exchange tubes is fully welded with the lower exchange plate, and the upper end and the lower end of the second group of heat exchange tubes are fully welded with the upper exchange plate and the lower exchange plate; the lower elbow is arranged below the two groups of heat exchange tubes, three layers of isolation plates are arranged between the two groups of heat exchange tubes, the three layers of isolation plates are respectively a top cooling baffle plate, an upper baffle plate and a lower baffle plate, the top cooling baffle plate is arranged at the lower end of the heat-resistant stainless steel tube sleeve, and the upper and lower isolation plates are respectively positioned at 1/3 and 2/3 of trisections of the heat exchange tubes. The utility model has simple structure, the first group of heat exchange tubes adopts the nesting technology, the material thermal tension can be effectively decomposed, and the service life of the exchanger is prolonged.
Description
Technical Field
The utility model relates to the field of grain drying equipment, in particular to a heat-resistant tension tube exchanger.
Background
The loss of grains in the process of threshing, airing, storing, transporting, processing, consuming and the like after harvesting is up to about 18% in China, which is far more than 5% of the standard specified by the grain and agriculture organization of the united nations. Among these losses, the loss of grains such as mildew and germination is as high as 5% due to weather reasons and the fact that the grains are not dried or do not reach safe moisture every year, if 5 hundred million tons of grains are produced every year, the loss is equivalent to 2500 ten thousand tons of grains, and if 500g of grains are eaten every person every day, 6.8 ten thousand people can eat the grains for 1 year. Therefore, the mechanization of grain drying is more important than the mechanization of field operation, and is an important guarantee condition for high yield and harvest of grains. The hot blast stove is a key device in a grain drying system.
At present, the traditional tubular exchanger adopts an up-down welding technology, two ends of the exchange tube are all in full-welded connection with the heat exchange plate, but in the operation of the hot blast stove, the temperature difference is very high, and especially the temperature range of the first group of exchangers is normal temperature to 700 ℃, the high temperature difference inevitably reaches large expansion and contraction tensile force, so that the heat exchange plate can be deformed quickly under the action of thermal tensile force, and the deformation of the metal plate pulls the refractory material covered on the surface to crack, so that fire disaster is finally caused.
Disclosure of Invention
The utility model aims to provide a heat-resistant pulling force tube exchanger so as to solve the technical problems.
The utility model relates to a heat-resistant tension tube exchanger, which adopts a movable link and nesting technology, wherein the bottom of each high-temperature heat exchange tube in a first group is welded with a lower exchange tube plate, the upper part of each high-temperature heat exchange tube is nested with a high-temperature resistant stainless steel tube, and the nesting gap is 0.5-1mm; the displacement generated by the exchange tube can freely stretch and retract in the nested tube.
The technical problems to be solved by the utility model are realized by adopting the following technical scheme:
a heat resistant tension tube exchanger, characterized by: the device comprises a frame, wherein an upper exchange plate and a lower exchange plate are welded on the frame, sealing plates are arranged on two sides of the frame, and a front air guide box and a rear air guide box are respectively arranged in front of and behind the frame; two groups of heat exchange tubes are arranged between the upper exchange plate and the lower exchange plate, heat-resistant stainless steel sleeves are nested at the tops of the first group of heat exchange tubes, the heat-resistant stainless steel sleeves are fully welded with the upper exchange plate, the bottoms of the first group of heat exchange tubes are fully welded with the lower exchange plate, and the upper ends and the lower ends of the second group of heat exchange tubes are fully welded with the upper exchange plate and the lower exchange plate; the heat exchange tube comprises two groups of heat exchange tubes, wherein a lower elbow is arranged below the two groups of heat exchange tubes, three layers of isolation plates are arranged between the two groups of heat exchange tubes, and are respectively a heat dissipation baffle, an upper baffle and a lower baffle, the heat dissipation baffle is arranged at the lower end of a heat-resistant stainless steel tube sleeve, and the upper baffle and the lower baffle are respectively positioned at 1/3 part and 2/3 part of trisection of the heat exchange tubes.
Preferably, the gap between the first group of heat exchange tubes and the inner wall of the heat-resistant stainless steel tube is 0.5-1mm; the heat exchange tube can move up and down in the heat-resistant stainless steel tube.
Preferably, a layer of heat-dissipating isolation plate is arranged at the lower end of the heat-resistant stainless steel pipe, and extends to the second group of heat exchange pipes.
Preferably, the lower end of the front air guide box is positioned at the position of the lower partition plate; the upper end of the rear air guide box is positioned at the position of the upper partition plate.
Cold air can directly pass through the gap between the upper exchange plate and the heat dissipation isolation plate to quickly dissipate heat of the heat-resistant stainless steel tube with the highest temperature.
An elbow is arranged below the two groups of heat exchange tubes, and flue gas enters from the first elbow and is turned 180 degrees through the elbow and is discharged from the second heat exchange tube.
The heat-resistant pulling force tube exchanger is provided with a wind guide box at the front and back, an upper baffle plate and a lower baffle plate, the heated air enters from the rear lower part, and goes along an S-shaped path in the exchanger and exits from the front upper part of the exchanger.
The beneficial effects of the utility model are as follows:
the utility model provides a heat-tensile force resistant tubular exchanger, which has a simple structure, and a first group of heat exchange tubes adopt a nesting technology, so that the heat tensile force of materials can be effectively decomposed, and the service life of the exchanger is prolonged.
Drawings
FIG. 1 is a schematic front view of the present utility model;
FIG. 2 is a schematic side view of the present utility model;
FIG. 3 is a schematic top view of the present utility model;
FIG. 4 is a schematic diagram of an air duct according to the present utility model;
fig. 5 is a schematic diagram of the flue gas path of the present utility model.
Detailed Description
In order that the manner in which the above recited features, objects and advantages of the present utility model are obtained, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. Based on the examples in the embodiments, those skilled in the art can obtain other examples without making any inventive effort, which fall within the scope of the utility model.
Specific embodiments of the present utility model are described below with reference to the accompanying drawings.
As shown in FIGS. 1-3, the anti-heat tension tube exchanger comprises
The heat exchange device comprises a frame 1, an upper exchange plate 1.1, a lower exchange plate 1.2, a sealing plate 2, heat exchange tubes 3, heat-resistant stainless steel tubes 4, a front air guide box 5.1, a rear air guide box 5.2, a heat dissipation baffle 6, an upper baffle 7.1, a lower baffle 7.2 and a lower elbow 8;
sealing plates 2 are arranged on two sides of the frame 1, an upper exchange plate 1.1 and a lower exchange plate 1.2 are respectively arranged on the upper and lower parts of the frame 1, and heat-resistant stainless steel pipes 4 are welded on the upper exchange plate 1.1;
the two groups of heat exchange tubes 3 are vertically erected in the frame 1, wherein the upper ends of the first group of heat exchange tubes are nested with the heat-resistant stainless steel tubes 4, the lower ends of the first group of heat exchange tubes are welded with the lower exchange plates 1.2, the upper ends and the lower ends of the second group of heat exchange tubes are respectively welded with the upper exchange plates and the lower exchange plates, and the upper partition plates 7.1 and the lower partition plates 7.2 are respectively arranged at trisection nodes of the heat exchange tubes 3;
the heat dissipation baffle 6 is arranged at the lower end of the heat-resistant stainless steel pipe 4, horizontally extends to two sides of the frame 1 and forms a heat dissipation channel with the upper exchange plate; the rear air guide box 5.2 is arranged between the heat dissipation baffle 6 and the lower baffle 7.2; the front air guide box 5.1 is installed between the upper partition plate and the lower exchange plate 1.2, so that the heat exchanger is divided into three layers, and after the front and rear air guide boxes are combined, the air heating air path is in an S shape, as shown in figure 4.
The lower elbow 8 is arranged below the lower exchange plate 1.2 and is used for exchanging the turning channel without flue gas in the pipe, as shown in figure 5.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (3)
1. The heat-resistant pulling force tubular exchanger is characterized in that: the device comprises a frame, wherein an upper exchange plate and a lower exchange plate are welded on the frame, sealing plates are arranged on two sides of the frame, and a front air guide box and a rear air guide box are respectively arranged in front of and behind the frame; two groups of heat exchange tubes are arranged between the upper exchange plate and the lower exchange plate, heat-resistant stainless steel sleeves are nested at the tops of the first group of heat exchange tubes, the heat-resistant stainless steel sleeves are fully welded with the upper exchange plate, the bottoms of the first group of heat exchange tubes are fully welded with the lower exchange plate, and the upper ends and the lower ends of the second group of heat exchange tubes are fully welded with the upper exchange plate and the lower exchange plate; a lower elbow is arranged below the two groups of heat exchange tubes, a three-layer partition plate is arranged between the two groups of heat exchange tubes, the three-layer partition plate is respectively a heat dissipation partition plate, an upper partition plate and a lower partition plate, the heat dissipation partition plate is arranged at the lower end of the heat-resistant stainless steel tube sleeve, and the upper partition plate and the lower partition plate are respectively positioned at 1/3 part and 2/3 part of trisection of the heat exchange tubes;
the rear air guide box is arranged between the heat dissipation partition plate and the lower partition plate; the front air guide box is arranged between the upper partition plate and the lower exchange plate, so that the heat exchanger is divided into three layers, and after the front air guide box and the rear air guide box are combined, the air heating air path is in an S shape;
the gap between the first group of heat exchange tubes and the inner wall of the heat-resistant stainless steel tube is 0.5-1mm; the heat exchange tube can move up and down in the heat-resistant stainless steel tube.
2. The heat tension resistant tubular exchanger of claim 1, wherein: the heat dissipation baffle is arranged at the lower end of the heat-resistant stainless steel pipe and horizontally extends to two sides of the frame.
3. The heat tension resistant tubular exchanger of claim 1, wherein: the lower end of the front air guide box is positioned at the position of the lower partition plate; the upper end of the rear air guide box is positioned at the position of the upper partition plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710220733.XA CN106900845B (en) | 2017-04-06 | 2017-04-06 | Heat-resistant pulling force tubular exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710220733.XA CN106900845B (en) | 2017-04-06 | 2017-04-06 | Heat-resistant pulling force tubular exchanger |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106900845A CN106900845A (en) | 2017-06-30 |
| CN106900845B true CN106900845B (en) | 2023-09-15 |
Family
ID=59193992
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710220733.XA Active CN106900845B (en) | 2017-04-06 | 2017-04-06 | Heat-resistant pulling force tubular exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106900845B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW416344U (en) * | 1996-11-13 | 2000-12-21 | Wan Jeng Tzai | Heat exchanger refrigerant main tube |
| CN2901219Y (en) * | 2006-05-18 | 2007-05-16 | 高明政 | Novel pre-heater for thermal power generating boiler |
| CN101358678A (en) * | 2008-09-22 | 2009-02-04 | 张朝文 | Plastic pipe joint |
| CN201600073U (en) * | 2010-01-11 | 2010-10-06 | 大连熵立得传热技术有限公司 | Structure for resolving problems of expansion deformation of heat exchange tubes when heated |
| CN202024633U (en) * | 2011-03-02 | 2011-11-02 | 郑达伟 | Detachable tube type heat exchanger |
| CN202511682U (en) * | 2011-05-05 | 2012-10-31 | 张晋暐 | Combination structure of heat exchange tube bank |
| CN103673681A (en) * | 2012-09-07 | 2014-03-26 | 风凯换热器制造(常州)有限公司 | Hairpin type double-tube-plate heat exchanger and method for assembling heat exchanging tube and shell body thereof |
| CN105066753A (en) * | 2015-07-15 | 2015-11-18 | 浙江嘉熙光电设备制造有限公司 | Interlayer radial-direction phase change inhibition heat transfer pipe device and manufacturing method thereof |
| CN206791542U (en) * | 2017-04-06 | 2017-12-26 | 安徽金尚机械制造有限公司 | Heat resistanceheat resistant pulling force tubular exchanger |
-
2017
- 2017-04-06 CN CN201710220733.XA patent/CN106900845B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW416344U (en) * | 1996-11-13 | 2000-12-21 | Wan Jeng Tzai | Heat exchanger refrigerant main tube |
| CN2901219Y (en) * | 2006-05-18 | 2007-05-16 | 高明政 | Novel pre-heater for thermal power generating boiler |
| CN101358678A (en) * | 2008-09-22 | 2009-02-04 | 张朝文 | Plastic pipe joint |
| CN201600073U (en) * | 2010-01-11 | 2010-10-06 | 大连熵立得传热技术有限公司 | Structure for resolving problems of expansion deformation of heat exchange tubes when heated |
| CN202024633U (en) * | 2011-03-02 | 2011-11-02 | 郑达伟 | Detachable tube type heat exchanger |
| CN202511682U (en) * | 2011-05-05 | 2012-10-31 | 张晋暐 | Combination structure of heat exchange tube bank |
| CN103673681A (en) * | 2012-09-07 | 2014-03-26 | 风凯换热器制造(常州)有限公司 | Hairpin type double-tube-plate heat exchanger and method for assembling heat exchanging tube and shell body thereof |
| CN105066753A (en) * | 2015-07-15 | 2015-11-18 | 浙江嘉熙光电设备制造有限公司 | Interlayer radial-direction phase change inhibition heat transfer pipe device and manufacturing method thereof |
| CN206791542U (en) * | 2017-04-06 | 2017-12-26 | 安徽金尚机械制造有限公司 | Heat resistanceheat resistant pulling force tubular exchanger |
Non-Patent Citations (1)
| Title |
|---|
| 勾士文.硫磺回收废热锅炉的结构设计.黑龙江石油化工.1996,(第02期),全文. * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106900845A (en) | 2017-06-30 |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 237300 Economic Development Zone, Jinzhai County, Lu'an City, Anhui Province Patentee after: Anhui Jinshang Machinery Manufacturing Co.,Ltd. Country or region after: China Address before: 237300 Economic Development Zone, Jinzhai County, Lu'an City, Anhui Province Patentee before: ANHUI JINSHANG MACHINERY MANUFACTURING Co.,Ltd. Country or region before: China |