CN209540845U - A kind of heat exchanger of modularization steam unit - Google Patents
A kind of heat exchanger of modularization steam unit Download PDFInfo
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- CN209540845U CN209540845U CN201822002161.0U CN201822002161U CN209540845U CN 209540845 U CN209540845 U CN 209540845U CN 201822002161 U CN201822002161 U CN 201822002161U CN 209540845 U CN209540845 U CN 209540845U
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Abstract
The utility model relates to a kind of heat exchangers of modularization steam unit.It includes the heat-exchange tube group of at least two-layer laminate setting, every layer of heat-exchange tube group is made of more heat exchange straight pipe parallel settings, two layers neighbouring of heat-exchange tube group is sequentially communicated, the outer surface of the heat exchange straight tube is provided along its length at least two sections of heat exchange wing segments, and the heat exchange straight tube between two sections of adjacent heat exchange wing segments is light pipe segment.Each section of heat exchange wing segment of the heat-exchange tube group of the utility model is used as multiple indoor heat exchangers of burning, and light pipe segment is located at outside combustion chamber, the middle transition section being intended only as between each combustion chamber.Therefore, the utility model shortens the spacing between two neighboring combustion chamber, so that the volume-diminished of steam unit, compact-sized.And most of length of the heat exchange straight tube of the utility model is located in combustion chamber for exchanging heat, therefore the thermal losses of heat exchange straight tube is few, to improve the heat exchange efficiency of the utility model.
Description
Technical field
The utility model relates to the technical field of gas steam engine, in particular to a kind of heat exchange of modularization steam unit
Device.
Background technique
Currently, existing combustion and steam occurrence of equipment is if China Patent No. CN201510403595.X was in August 4 in 2018
A kind of combustion and steam occurrence of equipment disclosed in day, it is made of more independent steam unit tandem compounds, every steam engine
Group has respective heat-exchange system (including respective heat exchanger and combustion chamber), and the heat exchanger of more steam units passes through U-tube string
Connection constitutes a heat exchange access, realizes multicomputer work heat exchange, generates and export high-temperature steam, existing combustion and steam occurrence of equipment
Heat exchanger have the following disadvantages: (one) existing heat exchanger be all using finned heat exchanger, and heat exchange straight tube and
The material of heat exchange fin is all copper, although the good heat conductivity of copper, copper resistance to pressure is poor, heat-resisting quantity is poor, is easy by high temperature
Carbonization is burnt out, then by high-temperature flue gas and aqueous corrosion, is not available, so as to shorten the service life of heat exchanger.(2) moreover,
The heat exchanger of existing adjacent two steam units is all using the connection of U-shaped bend pipe, and the heat exchanger on same steam unit
Upper and lower heat exchange straight tube between also have and connected using U-tube, therefore very big pressure drag can be generated inside it, heat exchange is caused to be imitated
Rate is low, and welding position thereon is also more, be easy to cause leakage, and U-tube is exposed outside combustion chamber, and length is long,
Very big thermal losses can be generated, and then heat exchange efficiency is caused to reduce.(3) in addition, the heat exchanger of every steam unit is all only
Vertical installation connects the heat exchanger of two adjacent steam units with U-shaped bend pipe again after installation, therefore the installation of its heat exchanger is not square
Just, the steam unit of (four) existing combustion and steam occurrence of equipment is all independent unit, there is respective machine unit shell, Duo Gezheng
Steam turbine group is mounted in machine shell, is all to be connected between the heat exchanger of left and right adjacent two steam units using U-shaped bend pipe,
Left and right two adjacent steam unit bays are larger, therefore will lead to that whole combustion and steam occurrence of equipment volume is larger, accounts for
Ground area is larger, structure is not compact, high production cost.
Therefore, the heat exchanger needs of existing combustion and steam occurrence of equipment are further improved.
Utility model content
The purpose of this utility model is to provide a kind of heat exchange efficiency height, long service life, steam unit volume can be reduced
Modularization steam unit heat exchanger.
Purpose of the utility model is realized as follows:
A kind of heat exchanger of modularization steam unit, the heat-exchange tube group including the setting of at least two-layer laminate, every layer of heat are handed over
Changing pipe group is made of more heat exchange straight pipe parallel settings, and two layers neighbouring of heat-exchange tube group is sequentially communicated, and constitutes one
Exchange heat access, and the heat exchange access correspond in the heat-exchange tube group of top layer and is equipped with import, right in undermost heat-exchange tube group
The heat exchange access is answered to be equipped with outlet, the outer surface of the heat exchange straight tube is provided along its length at least two sections of heat exchange fins
Section, heat exchange wing segment are equipped with heat exchange fin, adjacent two sections of heat exchange wing segment intervals setting, two sections of adjacent heat exchange wings
Heat exchange straight tube between segment is light pipe segment.Each section of heat exchange wing segment of every layer of heat-exchange tube group of the utility model is used as more
A indoor heat exchanger of burning, light pipe segment are located at outside combustion chamber, and light pipe segment length is shorter, and light pipe segment is not used as exchanging heat, and only makees
Middle transition section between each combustion chamber.Therefore, the utility model shortens the spacing between two neighboring combustion chamber, from
And make the volume-diminished, compact-sized of steam unit.And most of length of the heat exchange straight tube of the utility model is located at
For exchanging heat in combustion chamber, therefore the thermal losses of heat exchange straight tube is few, to improve the heat exchange efficiency of the utility model.And
And the heat exchange straight tube of undermost heat-exchange tube group is light pipe, to avoid the heat exchange wing on undermost heat exchange straight tube
Piece is burned, is carbonized, and extends the service life of the utility model.
The utility model can also improve further below.
The heat exchange straight tube of undermost heat-exchange tube group is light pipe, on the heat exchange straight tube of the heat-exchange tube group of other layers
Equipped with heat exchange fin, so that the heat exchange fin on undermost heat exchange straight tube is avoided to be burned, be carbonized, and the heat of other layers is handed over
The heat exchange straight tube for changing pipe group is equipped with the heat exchange wing segment, and heat exchange wing segment absorbs the heat of flame.
More heat exchange straight tube head and the tail of every layer of heat-exchange tube group are sequentially communicated, and two layers certainly neighbouring of heat is handed over
Changing pipe group can also be connected in the following ways, and the heat exchange straight tube head and the tail of two layers neighbouring of heat-exchange tube group are successively
Connection.
The pressure drag of the heat exchange straight tube is small, to improve the heat exchange efficiency of the utility model, and the weldering on straight tube
Point is few, it is not easy to leak, to extend the service life of the utility model.
The heat exchange straight tube is stainless steel tube, stainless steel tube energy high temperature resistant, high pressure resistant, it is not easy to leak.
The heat exchange fin is to be made of stainless steel.
The heat exchange fin is spiral fin.
The length of the heat exchange wing segment is greater than the length of light pipe segment.The length of the heat exchange wing segment is the length of light pipe segment
3-10 times of degree.The utility model it is reasonable in design, guarantee heat exchange area it is sufficiently large, while and reduce thermal loss.
The left and right sides of the heat-exchange tube group is equipped with support plate, and heat exchange straight tube is corresponded in the support plate and is equipped with support
The end in hole, the heat exchange straight tube passes through supported hole, and the bend pipe is located at the outside of support plate.
The left and right both ends of the heat exchange wing segment are equipped with supporting clapboard, correspond to heat-exchange tube group on the supporting clapboard and set
There are multiple rows of support through holes, every row's support through holes are horizontally disposed, and the light pipe segment passes through support through holes.
The end of the adjacent two piece heat exchange straight tube of the same layer heat-exchange tube group is connected by the first bend pipe.
Two layers neighbouring of heat-exchange tube group head and the tail pass through the connection of the second bend pipe.
First bend pipe and the second bend pipe are U-tube.
The exit is equipped with ring flange.
The beneficial effects of the utility model are as follows:
(1) each section of heat exchange wing segment of the heat-exchange tube group of the utility model is used as multiple indoor heat exchangers of burning, light
Pipeline section is located at outside combustion chamber, and light pipe segment length is shorter, and light pipe segment is not used as exchanging heat, and is intended only as the centre between each combustion chamber
Changeover portion.Therefore, the utility model shortens the spacing between two neighboring combustion chamber, so that the volume of steam unit contracts
It is small, compact-sized.And most of length of the heat exchange straight tube of the utility model is located in combustion chamber for exchanging heat, therefore heat
The thermal losses for exchanging straight tube is few, to improve the heat exchange efficiency of the utility model.
(2) also, each section of heat exchange wing segment of the heat-exchange tube group of the utility model is used as each of combustion and steam unit
Burn indoor heat exchanger, therefore the utility model heat exchanger can be realized integral installation and disposably install multiple burnings
The heat exchanger of room is installed very convenient, quick.
(3) in addition, the pressure loss of the heat exchange straight tube of the utility model is small, water flow pressure drag is small, to improve water
Heat exchange efficiency, and the solder joint on straight tube is few, it is not easy to leak, to extend the service life of the utility model.
(4) moreover, the utility model replaces previous heat exchange copper tube using stainless steel tube as heat exchanger tube, this is practical
It is novel that stainless steel tube high temperature resistant, high voltage bearing advantage is utilized, to solve existing heat exchange copper tube fin non-refractory, no
High pressure resistant, easy leakage, copper tube and fin are easy to be burnt the problem of being carbonized, and the utility model improves heat exchange efficiency, also avoids
Heat exchanger tube is burnt out by high temperature, extends the service life of the utility model.
(5) more have plenty of, the heat exchange straight tube of undermost heat-exchange tube group is light pipe, to avoid undermost heat
Heat exchange fin on exchange straight tube is burned, is carbonized, and extends the service life of the utility model.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model embodiment one.
Fig. 2 is the structural representation of the heat-exchange tube group (part-structure that is double-deck and omitting supporting clapboard) of the utility model
Figure.
Fig. 3 is the structural schematic diagram of another angle of Fig. 2.
Fig. 4 is the decomposition texture schematic diagram of the supporting clapboard of the utility model.
Fig. 5 is the side view of the heat exchanger in the utility model embodiment two.
Specific embodiment
The utility model is further described with reference to the accompanying drawings and embodiments.
Embodiment one, as shown in Figure 1 and Figure 5, a kind of heat exchanger of modularization steam unit, including at least two-layer laminate is set
The heat-exchange tube group 50 set, every layer of heat-exchange tube group 50 are to be arranged side by side by more heat exchange straight tubes 51 and be sequentially communicated from beginning to end
It constitutes, the length of every heat exchange straight tube 51 is identical, and two layers neighbouring of heat-exchange tube group 50 is sequentially communicated, and constitutes a heat exchange
Access corresponds to the heat exchange access in the heat-exchange tube group 50 of top layer equipped with import 52, in undermost heat-exchange tube group 50
The corresponding heat exchange access is equipped with outlet 53, and the outer surface of the heat exchange straight tube 51 is provided along its length at least two sections and changes
Hot fin section 54, heat exchange wing segment 54 are equipped with heat exchange fin, and two sections of adjacent heat exchange wing segments 54 are spaced setting, described adjacent
Two sections of heat exchange wing segments 54 between heat exchange straight tube 51 be light pipe segment 55.Every layer of heat-exchange tube group 50 of the utility model
Each section of heat exchange wing segment 54 is used as multiple indoor heat exchangers of burning, and light pipe segment 55 is located at outside combustion chamber, and light pipe segment 55 is not used as
Heat exchange, the middle transition section being intended only as between each combustion chamber.
The utility model can also improve further below.
The heat exchange straight tube 51 of undermost heat-exchange tube group 50 is light pipe 511, the heat of the heat-exchange tube group 50 of other layers
It exchanges straight tube 51 and is equipped with heat exchange fin 510.
The pressure drag of the heat exchange straight tube 51 is small, and the solder joint on straight tube is few, it is not easy to leak.
The heat exchange straight tube 51 is stainless steel tube, stainless steel tube energy high temperature resistant, high pressure resistant, it is not easy to leak.
The heat exchange fin is to be made of stainless steel.
The heat exchange fin is spiral fin.
The length of the heat exchange wing segment 54 is greater than the length of light pipe segment 55.Reasonable in design, the guarantor of the utility model
It is sufficiently large to demonstrate,prove heat exchange area, while and reducing thermal loss.
The length of the heat exchange wing segment 54 is 3-10 times of the length of light pipe segment 55.
The left and right sides of the heat-exchange tube group 50 is equipped with support plate 56, corresponds to heat exchange straight tube 51 in the support plate 56
Equipped with supported hole, the end of the heat exchange straight tube 51 passes through supported hole, and the bend pipe is located at the outside of support plate 56.
The left and right both ends of the heat exchange wing segment are equipped with supporting clapboard 512, correspond to heat-exchange tube group on the supporting clapboard
Equipped with multiple rows of support through holes 513, every row's support through holes 513 are horizontally disposed, and the light pipe segment passes through support through holes 513.
The supporting clapboard is from top to bottom to be sequentially connected to constitute by muti-piece supporting vertical plate 514, the supporting vertical plate 514
Top edge is equipped with multiple upper support notches 515, the width of the lower edge of the supporting vertical plate 514 along shell along the width direction of shell
It spends direction and is equipped with multiple lower support notches 516, the upper support notch 515 of two pieces of neighbouring supporting vertical plates 514 and lower support
516 aligned in position of notch and mutual direction, upper support notch 515 close up into multiple first supports with lower support notch 516
Through-hole 513.
The end of the adjacent two piece heat exchange straight tube 51 of the same layer heat-exchange tube group 50 is connected by the first bend pipe 57
It connects.
Two layers neighbouring of 50 head and the tail of heat-exchange tube group are connected by the second bend pipe 58.
First bend pipe 57 and the second bend pipe 58 are U-tube.
Ring flange 59 is equipped at the outlet 53.
Embodiment two, as shown in figure 5, embodiment two is similar to the embodiment of embodiment one, unique difference is:
Every layer of heat-exchange tube group 50 is to be arranged side by side to constitute by more heat exchange straight tubes 51, two layers neighbouring of heat-exchange tube group
Heat exchange straight tube head and the tail be sequentially communicated.
Claims (9)
1. a kind of heat exchanger of modularization steam unit, including at least two layers of heat-exchange tube group, every layer of heat-exchange tube group be by
More heat exchange straight pipe parallel settings are constituted, and two layers neighbouring of heat-exchange tube group is sequentially communicated, and constitute a heat exchange access, most
The heat exchange access is corresponded in the heat-exchange tube group on upper layer and is equipped with import, and it is logical that the heat exchange is corresponded in undermost heat-exchange tube group
Road is equipped with outlet, and the outer surface of the heat exchange straight tube is provided along its length at least two sections of heat exchange wing segments, heat exchange fin
Section is equipped with heat exchange fin, and two sections of adjacent heat exchange wing segment intervals are arranged, between two sections of adjacent heat exchange wing segments
Heat exchange straight tube is light pipe segment, and the heat exchange straight tube of the undermost heat-exchange tube group is light pipe, the heat-exchange tube of other layers
The heat exchange straight tube of group is equipped with the heat exchange fin.
2. the heat exchanger of modularization steam unit according to claim 1, characterized in that the heat exchange straight tube is stainless steel
Pipe.
3. the heat exchanger of modularization steam unit according to claim 2, characterized in that the heat exchange fin is spiral wing
Piece.
4. the heat exchanger of modularization steam unit according to claim 3, characterized in that every layer of heat-exchange tube group it is more
Root heat exchange straight tube head and the tail are sequentially communicated.
5. the heat exchanger of modularization steam unit according to claim 3, characterized in that two layers neighbouring of the heat is handed over
The heat exchange straight tube head and the tail for changing pipe group are sequentially communicated.
6. the heat exchanger of modularization steam unit according to claim 3, characterized in that the length of the heat exchange wing segment is big
In the length of light pipe segment.
7. the heat exchanger of modularization steam unit according to claim 6, characterized in that the length of the heat exchange wing segment is
3-10 times of the length of light pipe segment.
8. the heat exchanger of modularization steam unit according to claim 3, characterized in that the left and right two of the heat-exchange tube group
Side is equipped with support plate, heat exchange straight tube is corresponded in the support plate equipped with supported hole, the end of the heat exchange straight tube passes through branch
Support hole.
9. the heat exchanger of modularization steam unit according to claim 1, characterized in that the heat exchange wing segment it is left and right
Both ends are equipped with supporting clapboard, and heat-exchange tube group is corresponded on the supporting clapboard equipped with multiple rows of support through holes, every row's support through holes edge
Horizontally arranged, the light pipe segment passes through support through holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822002161.0U CN209540845U (en) | 2018-11-30 | 2018-11-30 | A kind of heat exchanger of modularization steam unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822002161.0U CN209540845U (en) | 2018-11-30 | 2018-11-30 | A kind of heat exchanger of modularization steam unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209540845U true CN209540845U (en) | 2019-10-25 |
Family
ID=68263190
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822002161.0U Active CN209540845U (en) | 2018-11-30 | 2018-11-30 | A kind of heat exchanger of modularization steam unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209540845U (en) |
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2018
- 2018-11-30 CN CN201822002161.0U patent/CN209540845U/en active Active
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