A kind of hollow cooler
Technical field
The invention belongs to cooler technical fields, are related to a kind of hollow cooler.
Background technique
Generator can generate a large amount of heat at work, need to cool down to generator using cooler, cooling treatment,
Make the function normal work that generates electricity, existing cooler includes hollow cooler, and hollow cooler uses air as heat exchange Jie
Matter carries out heat exchange by aluminum pipe.
Existing hollow cooler, for example, Chinese patent literature data disclose a kind of air-air cooler [application number:
201220307555.7;Authorization Notice No.: CN202616933U] comprising it is mutually spliced to form the end plate of frame with outer cover, is arranged
The partition II for mutually splicing in frame with outer cover, separating frame forms air inlet with end plate, forms air outlet with partition II
Partition I;Arc elbow I is installed in the joint of air-air cooler both ends end plate and outer cover;In the institute that partition II connects with outer cover
There is right angle turn to be provided with arc elbow II;One end of outer cover is provided with arc elbow III, the arc in partition I
Elbow III is towards inside cooler.
The air-air cooler of this kind of structure, pipe is inserted by the circular hole of end plate one end, and is passed through on partition I and partition II
Circular hole is installed in the circular hole of the end plate other end, and pipe is fastened onto the circular hole at end plate both ends.The air-air cooling of this kind of structure
Device, pipe are that have gap between partition I and partition II, the lateral wall and partition I of pipe and the circular hole inner sidewall of partition II,
Pipe is not connected with partition I and partition II, and generator vibration velocity under certain operating conditions is fast, and time of vibration is long, the interlude of pipe
State in bounce, can be because friction, collision, keep tube capacity easy to damage between pipe and partition I and partition II, work a period of time
After can crack, tracheal rupture is caused after crack propagation, prevents cooler from normally exchanging heat, generator cannot be safe and stable
Operation.
Summary of the invention
The purpose of the present invention is being directed to the above-mentioned problems in the prior art, a kind of hollow cooler is proposed, is solved
The technical issues of be how to improve the stability and heat transfer effect of heat-exchange tube of cooler.
Object of the invention can be realized by the following technical scheme: a kind of hollow cooler, including shell, the shell
One end be cold wind inlet end, the other end is cold wind outlet side, is fixed with band at the cold wind inlet end and cold wind outlet side
The bottom of the tube sheet of mounting hole, the shell has hot wind inlet and hot-blast outlet, which is characterized in that further includes several bafflings
Plate and Duo Zhi heat exchanger tube, the baffle plate and heat exchanger tube are respectively positioned in shell, and the heat exchanger tube goes out along cold wind inlet end to cold wind
Gas extreme direction sequentially passes through several baffle plates, and the heat exchanger tube bends to keep heat exchanger tube mutually solid with baffle plate at baffle plate
Even, the both ends of the heat exchanger tube are threaded through in mounting hole and the both ends of heat exchanger tube are fixedly connected with tube sheet.
Heat exchanger tube is inserted into from the tube sheet mounting hole from cold wind inlet end, baffle plate is sequentially passed through, until heat exchanger tube is worn
It is located in the tube sheet of cold wind outlet side, after the completion of heat exchanger tube is worn, direction phase is applied to two adjacent baffle plates by press
Anti- power is restrained heat exchanger tube integrally and is bent, so that heat exchanger tube be made to generate pretightning force to be fixedly connected with, then with baffle plate
The both ends of heat exchanger tube are fixedly connected with tube sheet, i.e., the both ends of heat exchanger tube and centre are fixed, and the overall structure of heat exchanger tube is stablized
Property it is good, intensity is high, and heat exchanger tube will not shake, and stability is good, long service life;And since heat exchanger tube is bent, cold wind is being changed
The resistance flowed in heat pipe becomes larger, and turbulent heat transfer coefficient becomes larger, cooler overall heat exchange coefficient enhancing, to improve cooler
Heat transfer effect.
In a kind of above-mentioned hollow cooler, there are multiple through-holes on the baffle plate, the heat exchanger tube passes through corresponding
Through-hole, when the non-bending of heat exchanger tube, there is gap between the inner sidewall of the through-hole and the lateral wall of heat exchanger tube.This kind of structure,
Block heat exchanger tube will not when passing through baffle plate, it is easy to assembly;After heat exchanger tube bending, certain deformation can be generated in through hole
Amount, and the deformation quantity that exists in gap provides space, damage heat exchanger tube will not in bending.
Side of the pipeline section that exchanges heat with cold wind inlet end to cold wind outlet side in a kind of above-mentioned hollow cooler, after bending
Angle between is between 2-6 °.After the installation of this hollow cooler, it is exactly to the direction of cold wind outlet side along cold wind inlet end
Horizontal direction forms more heat exchange pipeline sections after heat exchanger tube bending, the angle between every heat exchange pipeline section and horizontal direction is in 2-
Between 6 °, and the size of angle is identical, and the angle of angle is smaller, will not be due to becoming when being fixedly connected with heat exchanger tube bending with baffle plate
Shape is excessive and damages.
In a kind of above-mentioned hollow cooler, the quantity of the baffle plate is three pieces, and the baffle plate is set at equal intervals
In the shell, the hot wind inlet be located at two outside baffle plate between, the hot-blast outlet be located at two outside baffle plate with
Between corresponding tube sheet.The quantity of hot wind inlet is one, and the quantity of hot-blast outlet is two, and the heat that generator generates is from one
A hot wind inlet is entered in shell cool down and is recycled into again from two hot-blast outlets into generator, this kind of structure makes
Cooler can play better cooling effect.
In a kind of above-mentioned hollow cooler, the bottom of the baffle plate in two outsides is fixed with abutment plate.The length of abutment plate
Degree and the equivalent width of shell, abutment plate play the role of supporting baffle plate and heat exchanger tube, improve the steady of baffle plate and heat exchanger tube
Qualitative, abutment plate enables this hollow cooler to be preferably installed on generator.
It is logical with air-flow between the top of the baffle plate and the top of shell in a kind of above-mentioned hollow cooler
Road.This hollow cooler is located at the top of generator, and the setting of airflow channel enables the hot gas by heat exchange to flow back to again
Into generator.
In a kind of above-mentioned hollow cooler, the exchanger tubes and tubesheets pass through expanding joint process swelling.Pass through heat exchanging
Pipe, which carries out expansion, is fixedly connected with exchanger tubes and tubesheets, and connected firmness is high, connected place will not hinder the flowing of cold wind and
It not will lead to hot wind leakage, improve the heat transfer effect of this hollow cooler.
In a kind of above-mentioned hollow cooler, the heat exchanger tube is aluminum pipe.Aluminum pipe has good conductive force, passes through
Aluminum pipe carries out the heat exchange of cold wind and hot wind, and heat exchange efficiency is high.
In a kind of above-mentioned hollow cooler, the outer end of the cold wind inlet end is equipped with blower, the blower and shell
Between be equipped with tapered first guiding fan housing, the internal diameter of left end of the first guiding fan housing close to blower is greater than the first guiding
For fan housing close to the internal diameter of the right end of shell, the cold wind outlet side is equipped with the second tapered guiding fan housing, second guiding
Fan housing is less than the internal diameter of the other end close to the internal diameter of one end of shell.Blower provides power, the first guiding fan housing as power source
Setting so that cold wind is entered in heat exchanger tube faster, second guiding fan housing setting enable through heat exchange after cold wind
It is collected, the external world is then discharged to by external connecting pipeline, the setting of blower, the first guiding fan housing and the second guiding fan housing mentions
The flow of cold wind in high heat exchanger tube, to improve heat transfer effect.
Compared with prior art, hollow cooler provided by the invention has the advantage that
1, this hollow cooler by two neighboring baffle plate apply contrary power make the bending of more heat exchanger tubes from
And it is fixedly connected with the centre of heat exchanger tube with baffle plate, both ends and the tube sheet of heat exchanger tube are fixedly connected with, the fixed firmness of heat exchanger tube
Height, heat exchanger tube will not shake after being connected, will not vibrate, and cooler integral rigidity is good, and stability is good, and heat exchanger tube will not damage, hair
The stability of motor work is good.
2, the heat exchanger tube of this hollow cooler is bent, and the resistance that cold wind flows in heat exchanger tube becomes larger, and cooler is whole
Coefficient of heat transfer enhancing, to improve the heat transfer effect of cooler.
Detailed description of the invention
Fig. 1 is the overall structure diagram of this hollow cooler.
In figure, 1, shell;2, cold wind inlet end;3, cold wind outlet side;4, tube sheet;5, hot wind inlet;6, hot-blast outlet;7,
Baffle plate;8, heat exchanger tube;9, abutment plate;10, airflow channel;11, blower;12, the first guiding fan housing;13, the second guiding fan housing.
Specific embodiment
Following is a specific embodiment of the present invention in conjunction with the accompanying drawings, technical scheme of the present invention will be further described,
However, the present invention is not limited to these examples.
As shown in Figure 1, this hollow cooler includes shell 1, tube sheet 4, baffle plate 7, heat exchanger tube 8, abutment plate 9 and blower
11.Heat exchanger tube 8 is aluminum pipe.
In a rectangular parallelepiped shape, one end of shell 1 is cold wind inlet end 2 to shell 1, and the other end is cold wind outlet side 3, cold wind air inlet
The tube sheet 4 with mounting hole is fixed at end 2 and cold wind outlet side 3.
The quantity of baffle plate 7 is three pieces, and baffle plate 7 is set along cold wind inlet end 2 to the direction of cold wind outlet side 3 at equal intervals
In shell 1, there are multiple through-holes on baffle plate 7, more heat exchanger tubes 8 initially pass through the mounting hole of 2 tube sheet 4 of cold wind inlet end, so
The through-hole of three pieces of baffle plates 7 is sequentially passed through afterwards, then is threaded through in the mounting hole of tube sheet 4 of cold wind outlet side 3, through-hole and mounting hole
Diameter be slightly larger than the outside of heat exchanger tube 8, i.e., all have gap between heat exchanger tube 8 and through-hole and mounting hole, in the present embodiment,
The size in the gap is 0.4mm, and in actual production, the size in the gap can be 0.3mm or 0.5mm.Then pass through pressure
Machine is pressed downward the baffle plate 7 for being located at middle, moves down the baffle plate 7, to make 8 stress of heat exchanger tube bend, then
This entire hollow cooler is turned around, is pressed downward the baffle plate 7 for being located at two sides using press, to make the heat exchanger tube at this
The bending of 8 stress, then hollow cooler is overturn, abutment plate 9, the top of baffle plate 7 are fixed in the bottom of the baffle plate 7 in two outsides
There is airflow channel 10 between the top of shell 1, in the present embodiment, 8 sections of heat exchanger tube after bending and cold wind inlet end 2 are to cold
Angle between the direction of wind outlet side 3 is 3 °, and in actual production, which can be 4 ° or 5 °.Then pass through expanded joint
Technique is by heat exchanger tube 8 and 4 swelling of tube sheet.
The bottom of shell 1 has hot wind inlet 5 and hot-blast outlet 6, and the quantity of hot wind inlet 5 is one, and hot wind inlet 5
Between the baffle plate 7 in two outsides, the quantity of hot-blast outlet 6 is two, and hot-blast outlet 6 is located at the baffle plate 7 in two outsides
Between corresponding tube sheet 4.
Blower 11 is located at the outer end of cold wind inlet end 2, and the first tapered guiding fan housing is equipped between blower 11 and shell 1
12, internal diameter of the first guiding fan housing 12 close to the left end of blower 11 is greater than the first guiding fan housing 12 in the right end of shell 1
Diameter, cold wind outlet side 3 are equipped with the second tapered guiding fan housing 13, internal diameter of the second guiding fan housing 13 close to one end of shell 1
Less than the internal diameter of the other end.
This hollow cooler is mounted on the top of generator, and the gas outlet of generator is connected with hot wind inlet 5, generator
Air inlet is connected with hot-blast outlet 6.When work, blower 11 starts, and extraneous cold wind is sent in heat exchanger tube 8, exchanges heat pipe 8
Cooled down, the hot gas that generator work generates entered in shell 1 from hot wind inlet 5 and with 8 contact heat-exchanging of heat exchanger tube, exchange
Heat pipe 8 heats up, and hot and cold air carries out heat exchange by heat exchanger tube 8, follows after so that the hot-air come out from generator is cooled down
Ring enters in generator, cools down to generator, and generator is enable to work normally.
Specific embodiment described herein is only an example for the spirit of the invention.The neck of technology belonging to the present invention
The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Although shell 1, cold wind inlet end 2, cold wind outlet side 3, tube sheet 4, hot wind inlet 5, heat is used more herein
Wind outlet 6, baffle plate 7, heat exchanger tube 8, abutment plate 9, airflow channel 10, blower 11, first are oriented to fan housing 12, second and are oriented to fan housing
13 equal terms, but it does not exclude the possibility of using other terms.The use of these items is only for more easily describing and
Explain essence of the invention;Being construed as any additional limitation is disagreed with spirit of that invention.