Background technology
In the heat utilization of solar energy, key is that the radiant energy with the sun is converted to heat energy.Because solar energy relatively disperses, must manage it is put together, for this reason, people have designed heat collector, and it can be effectively be converted to heat energy with the radiant energy of the sun.
Because purposes difference, the system type of heat collector and coupling thereof is divided into many kinds, title is also different, as be used for cooking solar cooker, be used to produce hot water solar water heater, be used for dry goods solar dryer, be used for the solar energy smelting furnace of smelting metal, and solar energy housing, solar heat power station, solar energy desalinator or the like.
No matter in the heat collector of above-mentioned the sort of type, thermal-collecting tube all is its important component part.Thermal-collecting tube in a tubular form, and the one end is the connecting portion of tubulose.Because thermal-collecting tube is mounted in the heat collector housing, therefore, has bending segment at the connecting portion place of thermal-collecting tube, the shape by this bending segment cooperation heat collector housing makes thermal-collecting tube can easily be installed in the heat collector housing.
Existing heat pipe body by the manually-operated opposite heat tube in process carries out bending, and its operation is to be to rely on operator's experience to carry out fully.Simultaneously, with having air in it after the body closed at both ends, influence the heat conductivity of thermal-collecting tube.
In addition, in order to conduct heat fast, it is made up of some arms and a person in charge by a kind of heat pipe, and the person in charge goes up arm and the person in charge is not communicated with arm to vertical evenly being connected in along charge shaft.The heat at arm place is passed to the appropriate department, and then through being responsible for the heat transmission.As can be seen, the heat pipe of this structure owing to have is responsible for and some arms, and it is very inconvenient that manually-operated is carried out bending to it, and the also disunity of position of the bending part of its every arm after the bending.
Summary of the invention
The objective of the invention is the problems referred to above, a kind of processing method of processing solar energy heat collection pipe easy, easy to implement is provided at existing technology existence.
Purpose of the present invention can realize by following technical proposal: a kind of processing method of solar energy heat collection pipe, and this method may further comprise the steps:
A, heat pipe bending: select the raw material heat pipe for use, the raw material heat pipe is made up of some arms and a person in charge, every tube end all has the bigger connecting portion of caliber, arm along charge shaft to vertical uniform setting, pipe jointing part is connected with the person in charge and connecting portion partly stretches out the person in charge, the fixing employing then of raw material heat pipe pushed and will be close to the pipeline section bending of connecting portion on the arm, will prop up the end opposite sealing of pipe jointing part at last;
B, perfusion liquid medicine: will prop up pipe jointing part and place keeper, and by keeper connecting portion be located, the syringe needle that will pour into liquid medicine then inserts filling liquid medicine in the pipe jointing part;
C, exhaust, end socket: arm is heated, the air in the arm is discharged, then connecting portion is sealed;
D, detection: add hot leg pipe, the arm and the person in charge's thermal conductivity is detected.
At first select the raw material heat pipe for use, the raw material heat pipe is made up of some arms and a person in charge, every tube end all has the bigger connecting portion of caliber, arm along charge shaft to vertical uniform setting, pipe jointing part is connected with the person in charge and connecting portion partly stretches out the person in charge, arm is body independently with being responsible for, and that is to say that the arm and the person in charge are not communicated with.
Adopt extruding to be close to the pipeline section bending at connecting portion place on the arm, will prop up the end opposite sealing of pipe jointing part then.Make that like this a pipe jointing part place is an opening, the other end sealing of arm.
Then adopt keeper to a pipe jointing part location, make a pipe jointing part be fixed, the syringe needle that pours into liquid medicine is inserted in the pipe jointing part, liquid medicine is injected in the arm by syringe needle.Liquid medicine after injecting and finishing takes out syringe needle, and arm is heated, and the air in the arm is discharged by the opening part of connecting portion, and the opening part with connecting portion seals then.Obtain the finished product of solar energy heat collection pipe, at last to solar energy heat collection pipe heating, the thermal conductivity by the heat sensor opposite heat tube detects, if thermal conductivity reaches standard, solar energy heat collection pipe is qualified products.
In the processing method of above-mentioned solar energy heat collection pipe, the extruding at arm place adopts two crushing blocks to carry out cold extrusion in the described steps A, and two crushing block contact back betweens form the bending through hole, and the extruding force between two crushing blocks is 100Pa-170Pa.
Adopt the cold extrusion stock utilization than higher, working (machining) efficiency has the arc-shaped transition section for the arm bending place and also can finish its moulding also than higher.Simultaneously, make that in this pressure limit the arm bending is convenient and can not damage arm.
In the processing method of above-mentioned solar energy heat collection pipe, in the described steps A arm other end is carried out the draw, by welding the body other end is sealed then.
Adopt draw equipment to the extruding of the arm other end, make the caliber of the arm other end dwindle, by welding the arm other end is sealed then, promptly the end of the draw seals.
In the processing method of above-mentioned solar energy heat collection pipe, simultaneously 4-8 root arm is carried out bending in the described steps A.
Whole heat pipe is placed diel place, and all arms on the opposite heat tube carry out bending simultaneously.
In the processing method of above-mentioned solar energy heat collection pipe, in the described steps A simultaneously the other end to 4-8 root arm seal.
Whole heat pipe is placed draw equipment place, and the other end of all arms on the opposite heat tube carries out the draw and sealing simultaneously.
In the processing method of above-mentioned solar energy heat collection pipe, have the pilot hole that runs through and pilot hole on the described keeper and a pipe jointing part shape is complementary.
Owing to a pilot hole and a pipe jointing part size and dimension all are complementary, therefore just the arm location can be lived behind the pilot hole of a pipe jointing part embedding keeper, make the syringe needle of perfusion liquid medicine to insert in the arm.
In the processing method of above-mentioned solar energy heat collection pipe, adopt the extruding force of 100Pa-170Pa to carry out crush seal to the arm other end in the described steps A.
Draw equipment adopts this scope internal pressure to make the arm other end fast also can not damage arm the draw time.
In the processing method of above-mentioned solar energy heat collection pipe, adopt holder that arm is fixed in the described steps A, then it is carried out the draw.
After holder will prop up tube grip, arm was just fixed, and made the extruding of next process to carry out smoothly after fixing.
In the processing method of above-mentioned solar energy heat collection pipe, among the described step C bending is carried out in a pipe jointing part port, by welding the connecting portion end is sealed then.
The port of connecting portion is carried out forming preliminary sealing after the bending, make connecting portion seal fully by welding then.Such effect is after the connecting portion bending directly to its bending part welding, good sealing effect and be easy to sealing.
In the processing method of above-mentioned solar energy heat collection pipe, the pressure that among the described step C bending is carried out in pipe jointing part port is 100Pa-170Pa.In this pressure limit, make the connecting portion port can be smoothly by bending and can not rupture.
In the processing method of above-mentioned solar energy heat collection pipe, by electrical heating arm is heated among the described step C, heating-up temperature is 60-90 degree centigrade.
After arm is heated, just can easily detect its heat conductivity.
Compared with prior art, the processing method of this solar energy heat collection pipe is owing to carry out bending and end socket by all arms on the crushing block while heat pipe, and therefore, its working (machining) efficiency is than higher.
Simultaneously, after the heating air in the arm is fully discharged, rapidly with the body sealing, the heat pipe for thermal conductivity that makes this processing method make is strong then.In addition, positioning the feasible syringe needle that pours into liquid medicine by keeper during perfusion liquid medicine can insert in the arm accurately, and its processing method is simple, has the higher utility of ratio.
The specific embodiment
Embodiment one
The processing method of this solar energy heat collection pipe may further comprise the steps:
A, forming heat pipe: at first select the raw material heat pipe for use, the raw material heat pipe is made up of some arms 1 and a person in charge 2, every arm 1 end all has the bigger connecting portion 1a of caliber, arm 1 is along being responsible for 2 axial vertical uniform settings, arm 1 connecting portion 1a is connected with the person in charge 2 and connecting portion 1a partly stretches out the person in charge 2, arm 1 be responsible for 2 and be body independently, that is to say that the arm 1 and the person in charge 2 are not communicated with, and see illustrated in figures 1 and 2.
The connecting portion 1a place of arm 1 adopts two crushing blocks to carry out cold extrusion, and two crushing block contact back betweens form the bending through hole, and the extruding force between two crushing blocks is 100Pa.On arm 1, process bending section 1b by pushing the back, then arm 1 other end is carried out the draw by draw equipment, make the caliber of arm 1 an other end dwindle, by welding arm 1 other end is sealed then near pipeline section with connecting portion 1a place.Five arms 1 in this step on the whole heat pipe seal when carrying out the bending and arm 1 other end simultaneously.
Simultaneously in the above-mentioned steps, it carries out the draw to arm 1 again after adopting holder that arm 1 is fixed
B, perfusion liquid medicine: 1 connecting portion 1a places keeper with arm, having the pilot hole that runs through and pilot hole and arm 1 connecting portion a on the keeper is complementary, pilot hole by keeper is located arm 1 connecting portion 1a, and the syringe needle that will pour into liquid medicine then inserts filling liquid medicine in the arm 1 connecting portion 1a.
C, exhaust, end socket: to arm 1 heating, arm 1 is heated to 70 degrees centigrade by Electric heating, the air in the arm 1 is discharged by connecting portion 1a opening part.The pressure that immediately 120Pa is adopted in arm 1 connecting portion 1a port makes arm 1 connecting portion 1a port form preliminary sealing its bending then, by welding arm 1 connecting portion 1a is sealed at last.
D, detection: the heating heat pipe, the thermal conductivity of opposite heat tube detects.By electrical heating arm 1 is heated, heating-up temperature is 90 degrees centigrade, by temperature sensor its heat conductivity is detected then.Heat conductivity is qualified promptly to obtain qualified heat pipe finished product.
Embodiment two
The scheme of present embodiment is basic identical with embodiment one, and different place is that the extruding force between two crushing blocks is 120Pa in the steps A.Arm is heated to 80 degrees centigrade by Electric heating among the step C, and the air in the arm is discharged by the connecting portion opening part.The pressure that will prop up pipe jointing part port employing 110Pa then immediately is with its bending.The heating-up temperature of arm is 80 degrees centigrade among the step D.