CN109798783A - Heat exchanger and its preparation process based on suspension type thermal expansion - Google Patents
Heat exchanger and its preparation process based on suspension type thermal expansion Download PDFInfo
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- CN109798783A CN109798783A CN201811526618.6A CN201811526618A CN109798783A CN 109798783 A CN109798783 A CN 109798783A CN 201811526618 A CN201811526618 A CN 201811526618A CN 109798783 A CN109798783 A CN 109798783A
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- shell
- short radius
- bend pipe
- inner casing
- heat exchanger
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Abstract
The invention discloses a kind of heat exchangers and its preparation process based on suspension type thermal expansion, heat exchanger based on suspension type thermal expansion includes shell, inner casing, shell is connect with inner casing, shell is located at the outside of inner casing, first shell is located at the outside of inner casing, first abutment joint is located at the side of first shell, track is located at the side of first shell, connecting hole is located at the side top half of first shell, track connection strap is located at the lateral surface of second shell, pipeline is located at the inside of second shell, and the first short radius bend pipe is connect with the second short radius bend pipe.The present invention has rational design, structure is simple, it is easy to use, contraction being thermally expanded for the metal structure of heat exchanger and combustion chamber in combustion, there are sufficient spaces, greatly reduce influence of the thermal expansion contraction to boiler overall structure and heat transfer efficiency, make that combustion chamber is integrally immersed in pot water and exchanger base is contacted with boiler bottom without any, makes the undamped free wxpansion in Water cooling medium of heat exchanger and combustion chamber.
Description
Technical field
The present invention relates to a kind of heat exchanger and its preparation processes, more particularly to a kind of heat exchange based on suspension type thermal expansion
Device and its preparation process.
Background technique
According to the requirement of national standard and professional standard, boiler element metallic material and its welding material are under conditions of use
Should have enough intensity, plasticity, toughness and good anti-fatigue performance.Traditional steam boiler combustion chamber is using rigidity
The thermal expansion contraction of welding manner, combustion chamber is absorbed by corrugated internal furnace.Corrugated internal furnace waveform configuration is as elastic element, about
There is the history in more than 100 years, it is mainly used for hydraulic, baroceptor and thermal expansion buffer unit, and the component is directly by height
Warm flame radiation and high-temperature flue gas wash away, and most of boiler factories are all made of the method.Since spinning machine is all homemade
Tooling device does not standardize, and manual mode is still taken in various operations, so product quality is irregular.
Between conventional boiler heat exchanger and combustion chamber and boiler bottom using fastener or supporting element connect with welding it is equal just
Formula is fixed, and is limited the free wxpansion extendable room of heat exchanger and combustion chamber under temperature variations to a certain extent, is caused
Localized metallic fatigue or deformation, influence the service life and maintenance cost of boiler.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of heat exchangers based on suspension type thermal expansion, and design is reasonable,
Structure is simple, easy to use, and can thermally expanding contraction for the metal structure of heat exchanger and combustion chamber in combustion, there are foots
Enough spaces greatly reduce influence of the thermal expansion contraction to boiler overall structure and heat transfer efficiency, combustion chamber are made integrally to be immersed in pot
In water and exchanger base is contacted with boiler bottom without any, keeps heat exchanger and the combustion chamber undamped in Water cooling medium freely swollen
It is swollen.
The present invention is to solve above-mentioned technical problem by following technical proposals: a kind of changing based on suspension type thermal expansion
Hot device comprising including shell, inner casing, shell is connect with inner casing, and shell is located at the outside of inner casing, in which:
Shell includes first shell, the first abutment joint, track, connecting hole, and first shell is located at the outside of inner casing, the first abutment joint
Positioned at the side of first shell, track is located at the side of first shell, and track is connect with inner casing, and connecting hole is located at first shell
Side top half；
Inner casing includes that second shell, track connection strap, the second abutment joint, pipeline, the first short radius bend pipe, the second short radius are curved
Pipe, exhanst gas outlet, pipeline connection port, second shell are located at second shell by track connection strap and cage connection, track connection strap
The lateral surface of body, the second abutment joint are located at the side of two shells, and pipeline is located at the inside of second shell, the lower end of pipeline and first
Short radius bend pipe, the connection of the second short radius bend pipe, the first short radius bend pipe are connect with the second short radius bend pipe, and exhanst gas outlet is located at
One end of first short radius bend pipe, the second short radius bend pipe, and exhanst gas outlet is connect with second shell, pipeline connection port is located at pipe
The upper end in road.
Preferably, the pipeline, the first short radius bend pipe, the second short radius bend pipe material be stainless steel plate, thickness
For 9.525mm.
Preferably, the shape of the track and track connection strap is coincide.
Preferably, the first short radius bend pipe, the bending angle of the second short radius bend pipe are different, the first short radius bend pipe
Bending angle be 45 °, the bending angle of the second short radius bend pipe is 90 °.
The present invention also provides a kind of preparation processes of heat exchanger based on suspension type thermal expansion comprising following production step
It is rapid:
Step 1 makes second shell, using veneer reeling machine by stainless steel plate rolling into barrel-shape, and welds the second abutment joint, as changing
The second shell of hot device inner casing；
Step 2, makes track connection strap, and track connection strap is made of steel bar, is on the second housing wound steel bar using lathe
And it welds on the second housing；
Step 3 makes exhanst gas outlet, a circular hole is cut into the lower end of second shell using cutting machine, as flue gas
Outlet, completes the production of shell；
Step 4 makes first shell, and another piece of stainless steel plate is selected to be cut into corresponding rail according to the position of track connection strap
Road using veneer reeling machine by stainless steel plate rolling into barrel-shape, and welds the first abutment joint；
Step 5 makes connecting hole, is cut into a circular hole in the top half of first shell using cutting machine, as even
Connect hole；
Step 6 makes combustion chamber, uses steel pipe as pipeline, by the first short radius of the steel pipe of corresponding model and equivalent diameter
As combustion chamber, steel pipe upper end is welded on inner casing as pipeline connection port, then by combustion chamber for bend pipe, the second short radius elbow pipe welding
The smoke outlet of lower part completes the production of inner casing；
Step 7, winding together, complete the inner casing to complete, shell based on outstanding by track connection strap, track winding
The production of the heat exchanger of hanging thermal expansion.
Preferably, Step 1: Step 2: Step 4: the welding manner in step 6 is all made of CO2Protect the welding side of weldering
Formula.
The positive effect of the present invention is that: rationally, structure is simple for design, easy to use, can be heat exchanger and combustion
It burns the metal structure thermal expansion of room in combustion to shrink there are sufficient space, greatly reduction thermal expansion is shunk to boiler entirety
The influence of structure and heat transfer efficiency, makes that combustion chamber is integrally immersed in pot water and exchanger base and boiler bottom connect without any
Touching, makes the undamped free wxpansion in Water cooling medium of heat exchanger and combustion chamber.
Detailed description of the invention
Fig. 1 is the heat exchanger structure schematic diagram of the invention based on suspension type thermal expansion.
Fig. 2 is the shell mechanism schematic diagram of the heat exchanger of the invention based on suspension type thermal expansion.
Fig. 3 is the inner casing configuration schematic diagram of the heat exchanger of the invention based on suspension type thermal expansion.
Fig. 4 is preparation technology flow chart of the invention.
Fig. 5 is overall structure sectional view of the present invention.
Fig. 6 is process equipment schematic diagram of the present invention.
Specific embodiment
Present pre-ferred embodiments are provided with reference to the accompanying drawing, in order to explain the technical scheme of the invention in detail.
As shown in Figures 1 to 6, the heat exchanger of the invention based on suspension type thermal expansion includes shell 1, inner casing 2, shell 1
It is connect with inner casing 2, shell 2 is located at the outside of inner casing 2, in which:
Shell 1 includes first shell 11, the first abutment joint 12, track 13, connecting hole 14, and first shell 11 is located at the outer of inner casing 2
Side, the first abutment joint 12 are located at the side of first shell 11, and track 13 is located at the side of first shell 11, track 13 and inner casing 2
Connection, connecting hole 14 are located at the side top half of first shell 11；
Inner casing 2 includes second shell 21, track connection strap 22, the second abutment joint 23, pipeline 24, the first short radius bend pipe 25, the
Two short radius bend pipes 26, exhanst gas outlet 27, pipeline connection port 28, second shell 21 are connect by track connection strap 22 with shell 1,
Track connection strap 22 is located at the lateral surface of second shell 21, and the second abutment joint 23 is located at the side of two shells 21, and pipeline 24 is located at
The inside of second shell 21, the lower end of pipeline 24 are connect with the first short radius bend pipe 25, the second short radius bend pipe 26, and first is short by half
Diameter bend pipe 25 is connect with the second short radius bend pipe 26, and exhanst gas outlet 27 is located at the first short radius bend pipe 25, the second short radius bend pipe
26 one end, and exhanst gas outlet 27 is connect with second shell 21, pipeline connection port 28 is located at the upper end of pipeline 24.
Pipeline 24, the first short radius bend pipe 25, the second short radius bend pipe 26 material be stainless steel plate, with a thickness of
9.525mm can be improved the structural and stability of the heat exchanger based on suspension type thermal expansion.
The shape of track 13 and track connection strap 22 is coincide so that it is convenient to company between first shell 11, second shell 21
It connects, improves structural stability, facilitate free wxpansion.
First short radius bend pipe 25, the bending angle of the second short radius bend pipe 26 are different, the first short radius bend pipe 25 it is curved
Bent angle is 45 °, and the bending angle of the second short radius bend pipe 26 is 90 °, and bending is facilitated to connect.
Preparation process the present invention is based on the heat exchanger of suspension type thermal expansion includes following production stage:
Step 1, using fixing seat 122, fixing axle 121, shaft 123, driver 124, sliding block 125, sliding rail 126, pedestal 127,
Fixing axle 121 uses stainless steel plate, and one end is mounted in fixing seat 122, between the other end and driver 124 of stainless steel plate
It is rotatablely connected by shaft 123, driver 124 is located on sliding block 125, and sliding block 125 is slidably connected with sliding rail 126, and sliding rail 126 is solid
It is scheduled on pedestal 127.Stainless steel plate rolling into barrel-shape is formed the heat exchange thermally expanded based on suspension type by the rotation of driver drive shaft
The basic structure of device makes second shell, using veneer reeling machine by stainless steel plate rolling into barrel-shape, and welds the second abutment joint, as changing
The second shell of hot device inner casing；
Step 2, makes track connection strap, and track connection strap is made of steel bar, is on the second housing wound steel bar using lathe
And it welds on the second housing；The speed and the connection being arranged at the beginning that wherein the spacing between connection strap can be wound by lathe
The tilt angle of item is adjusted.
Step 3 makes exhanst gas outlet, is cut into a circular hole in the lower end of second shell using cutting machine, as
Exhanst gas outlet completes the production of shell；
Step 4 makes first shell, and another piece of stainless steel plate is selected to be cut into corresponding rail according to the position of track connection strap
Road using veneer reeling machine by stainless steel plate rolling into barrel-shape, and welds the first abutment joint；
Step 5 makes connecting hole, is cut into a circular hole in the top half of first shell using cutting machine, as even
Connect hole；
Step 6 makes combustion chamber, uses steel pipe as pipeline, by the first short radius of the steel pipe of corresponding model and equivalent diameter
As combustion chamber, steel pipe upper end is welded on inner casing as pipeline connection port, then by combustion chamber for bend pipe, the second short radius elbow pipe welding
The smoke outlet of lower part completes the production of inner casing；
Step 7, winding together, complete the inner casing to complete, shell based on outstanding by track connection strap, track winding
The production of the heat exchanger of hanging thermal expansion.
Step 1: Step 2: Step 4: the welding manner in step 6 is all made of CO2The weldering of (carbon dioxide) protection weldering
Mode is connect, weld square groove does not have to molten slag removal, and it is high to improve welding efficiency.
Working principle of the present invention is as follows: the design of heat exchanger based on suspension type thermal expansion is reasonable, and structure is simple, user
Just, pipeline, the first short radius bend pipe, the second short radius bend pipe form combustion chamber, and first shell is constituted with second shell and is based on
The shell of the heat exchanger of suspension type thermal expansion, shell is made of stainless steel plate, stainless steel plate with a thickness of 9.525mm, surface
Bright and clean, plasticity, toughness, mechanical strength are good, the corrosion of acid and alkali resistance gas, have high-temperature oxidation resistance, suitable for heat exchange
The production of device can will restrain oneself the high temperature generated in combustion chamber, extend the service life of heat exchanger；First abutment joint, the second connection
Seam makes first shell, second shell form barrel-like structure respectively, improves the structural stability of heat exchanger；Connecting hole on shell
The connection of heat exchanger and water inlet line can be facilitated, the exhanst gas outlet on inner casing can facilitate the company of heat exchanger and flue
It connects.Pipeline connection port on pipeline can facilitate to be connect with boiler top plate, realizes the suspention of heat exchanger, track and track connection strap
Shell is connect with inner casing, constitutes free wxpansion structure, can be heat exchanger and the metal knot of combustion chamber in combustion
Structure thermal expansion is shunk there are sufficient space, and greatly reduction thermal expansion is shunk the influence to boiler overall structure and heat transfer efficiency, made
Combustion chamber is integrally immersed in pot water and exchanger base is contacted with boiler bottom without any, makes heat exchanger and combustion chamber in water cooling
Undamped free wxpansion in medium.It will connect at the top of heat exchanger with filtering top plate when heat exchanger based on suspension type thermal expansion uses
It connects, exhanst gas outlet is connect with boiler jacket, and the stress as heat exchanger supports, and connecting hole is connect with water inlet line, toward heat exchanger
It is inside passed through water flow, the temperature in boiler is effectively reduced, improves heat exchange efficiency.
In conclusion structure is simple the present invention is based on the design of heat exchanger of suspension type thermal expansion is reasonable, and it is easy to use, it can
Think that the metal structure thermal expansion of heat exchanger and combustion chamber in combustion is shunk there are sufficient space, it is very big to reduce thermal expansion
Influence to boiler overall structure and heat transfer efficiency is shunk, is immersed in combustion chamber integrally in pot water and exchanger base and boiler
Bottom makes the undamped free wxpansion in Water cooling medium of heat exchanger and combustion chamber without any contact.
Particular embodiments described above, the technical issues of to solution of the invention, technical scheme and beneficial effects carry out
It is further described, it should be understood that the above is only a specific embodiment of the present invention, is not limited to
The present invention, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should be included in this
Within the protection scope of invention.
Claims (6)
1. a kind of heat exchanger based on suspension type thermal expansion, which is characterized in that it includes shell, inner casing, and shell is connect with inner casing,
Shell is located at the outside of inner casing, in which:
Shell includes first shell, the first abutment joint, track, connecting hole, and first shell is located at the outside of inner casing, the first abutment joint
Positioned at the side of first shell, track is located at the side of first shell, and track is connect with inner casing, and connecting hole is located at first shell
Side top half；
Inner casing includes that second shell, track connection strap, the second abutment joint, pipeline, the first short radius bend pipe, the second short radius are curved
Pipe, exhanst gas outlet, pipeline connection port, second shell are located at second shell by track connection strap and cage connection, track connection strap
The lateral surface of body, the second abutment joint are located at the side of two shells, and pipeline is located at the inside of second shell, the lower end of pipeline and first
Short radius bend pipe, the connection of the second short radius bend pipe, the first short radius bend pipe are connect with the second short radius bend pipe, and exhanst gas outlet is located at
One end of first short radius bend pipe, the second short radius bend pipe, and exhanst gas outlet is connect with second shell, pipeline connection port is located at pipe
The upper end in road.
2. the heat exchanger as described in claim 1 based on suspension type thermal expansion, which is characterized in that the pipeline, first short by half
Diameter bend pipe, the second short radius bend pipe material be stainless steel plate.
3. the heat exchanger as described in claim 1 based on suspension type thermal expansion, which is characterized in that the track is connect with track
The shape of item is coincide.
4. the heat exchanger as described in claim 1 based on suspension type thermal expansion, which is characterized in that first short radius is curved
Pipe, the bending angle of the second short radius bend pipe are different, and the bending angle of the first short radius bend pipe is 45 °, the second short radius bend pipe
Bending angle be 90 °.
5. a kind of preparation process of the heat exchanger based on suspension type thermal expansion, which is characterized in that it includes following production stage:
Step 1 makes second shell, using veneer reeling machine by stainless steel plate rolling into barrel-shape, and welds the second abutment joint, as changing
The second shell of hot device inner casing；
Step 2, makes track connection strap, and track connection strap is made of steel bar, is on the second housing wound steel bar using lathe
And it welds on the second housing；
Step 3 makes exhanst gas outlet, a circular hole is cut into the lower end of second shell using cutting machine, as flue gas
Outlet, completes the production of shell；
Step 4 makes first shell, and another piece of stainless steel plate is selected to be cut into corresponding rail according to the position of track connection strap
Road using veneer reeling machine by stainless steel plate rolling into barrel-shape, and welds the first abutment joint；
Step 5 makes connecting hole, is cut into a circular hole in the top half of first shell using cutting machine, as even
Connect hole；
Step 6 makes combustion chamber, uses steel pipe as pipeline, by the first short radius of the steel pipe of corresponding model and equivalent diameter
As combustion chamber, steel pipe upper end is welded on inner casing as pipeline connection port, then by combustion chamber for bend pipe, the second short radius elbow pipe welding
The smoke outlet of lower part completes the production of inner casing；
Step 7, winding together, complete the inner casing to complete, shell based on outstanding by track connection strap, track winding
The production of the heat exchanger of hanging thermal expansion.
6. the preparation process of the heat exchanger as claimed in claim 5 based on suspension type thermal expansion, which is characterized in that the step
One, Step 2: Step 4: the welding manner in step 6 is all made of CO2Protect the welding manner of weldering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811526618.6A CN109798783A (en) | 2018-12-13 | 2018-12-13 | Heat exchanger and its preparation process based on suspension type thermal expansion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811526618.6A CN109798783A (en) | 2018-12-13 | 2018-12-13 | Heat exchanger and its preparation process based on suspension type thermal expansion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109798783A true CN109798783A (en) | 2019-05-24 |
Family
ID=66556722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811526618.6A Pending CN109798783A (en) | 2018-12-13 | 2018-12-13 | Heat exchanger and its preparation process based on suspension type thermal expansion |
Country Status (1)
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105698366A (en) * | 2014-12-11 | 2016-06-22 | 杭州富尔顿热能设备有限公司 | Fully-wetted, refractory-free tubeless fluid heating system with negligible thermal expansion stress |
| CN105698570A (en) * | 2014-12-11 | 2016-06-22 | 杭州富尔顿热能设备有限公司 | Heat exchanger and manufacture method thereof |
-
2018
- 2018-12-13 CN CN201811526618.6A patent/CN109798783A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105698366A (en) * | 2014-12-11 | 2016-06-22 | 杭州富尔顿热能设备有限公司 | Fully-wetted, refractory-free tubeless fluid heating system with negligible thermal expansion stress |
| CN105698570A (en) * | 2014-12-11 | 2016-06-22 | 杭州富尔顿热能设备有限公司 | Heat exchanger and manufacture method thereof |
| CN205607208U (en) * | 2014-12-11 | 2016-09-28 | 杭州富尔顿热能设备有限公司 | Heat exchanger |
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| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190524 |
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| RJ01 | Rejection of invention patent application after publication |