CN106312384A - Concentric welding device - Google Patents
Concentric welding device Download PDFInfo
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- CN106312384A CN106312384A CN201610738829.0A CN201610738829A CN106312384A CN 106312384 A CN106312384 A CN 106312384A CN 201610738829 A CN201610738829 A CN 201610738829A CN 106312384 A CN106312384 A CN 106312384A
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- vermiculitum
- sleeve
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- welder
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/022—Particular heating or welding methods not otherwise provided for
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D1/00—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/14—Paints containing biocides, e.g. fungicides, insecticides or pesticides
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Plant Pathology (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Paints Or Removers (AREA)
Abstract
The invention discloses a concentric welding device, which comprises a concentric welding rod, a first nut, a first bushing, a second bushing and a second nut, wherein the two ends of the concentric welding rod are provided with a first thread and a second thread correspondingly; a first internal thread which is in threaded connection with the first thread is arranged in the first bushing; a second internal thread which is in threaded connection with the second thread is arranged in the second bushing; the first nut is connected with one end of the first bushing; and the second nut is connected with one end of the second bushing.
Description
Technical field
The present invention relates to welder, particularly relate to a kind of welder with one heart.
Background technology
The concentric welding bars of the concentric welder used in correlation technique is owing to being integrated formed structure, therefore, same
During the deformation of heart welding bars, it is impossible to take off, welder is caused damage.
Summary of the invention
It is desirable to provide a kind of welder with one heart, to solve above-mentioned technical problem.
Embodiments of the invention provide a kind of welder with one heart, including concentric welding bars, the first nut, first set
Pipe, the second sleeve pipe and the second nut；The two ends of described concentric welding bars offer the first screw thread and the second screw thread respectively；Described
The first female thread carrying out threadeding with the first screw thread it is provided with in sleeve；It is provided with and the second spiral shell in described second sleeve pipe
Stricture of vagina carries out the second threaded female thread；Described first nut is connected with one end of first sleeve；Described second nut and
One end of two sleeve pipes connects.
A kind of welder with one heart that the above embodiment of the present invention provides, can carry out dismantling very easily and it is each
Individual building block can reuse, thus solves above-mentioned technical problem.
Accompanying drawing explanation
Accompanying drawing herein is merged in description and constitutes the part of this specification, it is shown that meet the enforcement of the present invention
Example, and for explaining the principle of the present invention together with description.
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the work of the preparation method of the insulating moulding coating according to a kind of concentric welder shown in an exemplary embodiment
Process flow figure.
Detailed description of the invention
Here will illustrate exemplary embodiment in detail, its example represents in the accompanying drawings.Explained below relates to
During accompanying drawing, unless otherwise indicated, the same numbers in different accompanying drawings represents same or analogous key element.Following exemplary embodiment
Described in embodiment do not represent all embodiments consistent with the present invention.On the contrary, they are only with the most appended
The example of the apparatus and method that some aspects that described in detail in claims, the present invention are consistent.
In the description of the present application, it should be noted that unless otherwise prescribed and limit, term " is installed ", " being connected ",
" connect " and should be interpreted broadly, for example, it may be mechanically connected or electrical connection, it is also possible to be the connection of two element internals, can
Being to be joined directly together, it is also possible to be indirectly connected to by intermediary, for the ordinary skill in the art, can basis
Concrete condition understands the concrete meaning of above-mentioned term.
The invention will be further described with the following Examples.
Application scenarios 1
Fig. 1 is according to a kind of welder with one heart shown in an exemplary embodiment, as it is shown in figure 1, include welding with one heart
Bar the 4, first nut 1, first sleeve the 2, second sleeve pipe 6 and the second nut 7；The two ends of described concentric welding bars 4 offer respectively
First screw thread 3 and the second screw thread 5；Spiral shell in carry out threadeding with the first screw thread 3 first it is provided with in described first sleeve 2
Stricture of vagina；The second female thread carrying out threadeding with the second screw thread 5 it is provided with in described second sleeve pipe 6；Described first nut 1 and
One end of sleeve 2 connects；Described second nut 7 is connected with one end of the second sleeve pipe 6.
A kind of welder with one heart that the above embodiment of the present invention provides, can carry out dismantling very easily and it is each
Individual building block can reuse, thus solves above-mentioned technical problem.
Preferably, described first sleeve 2 and described second sleeve pipe 6 are made by stainless steel material.
Preferably, described first sleeve 2 or the second sleeve pipe 6 are made by having resilient stainless steel pipe.
Preferably, the external coating of described concentric welding bars 4 has insulating moulding coating；Fig. 2 is to show according to an exemplary embodiment
The process chart of the preparation method of the insulating moulding coating of a kind of concentric welder gone out.Reference Fig. 2, described insulating moulding coating,
Preparation method is as follows:
A. screening: take the Vermiculitum of 500 parts of weight, removes the impurity such as dust on Vermiculitum surface, obtains Vermiculitum former through selecting crude drugs with winnower
Material；
B. treatment fluid preparation: by 100g Al (NO3)3.9H2O is dissolved in isopyknic Carbon bisulfide, adds 50ml epoxy third
Alkane and 20ml Methanamide；
C. by the Vermiculitum raw material processed through the A input treatment fluid for preparing of step B 2 hours, trematodiasis is tentatively expanded
Stone；Preliminary expanded vermiculite is placed in electric arc furnace in 1000 DEG C, with 20 DEG C/min heating rate, processes 2 hours, obtain secondary swollen
Swollen Vermiculitum；
D. super micron mill is used to pulverize and after ultrafine mill refinement the reexpansion Vermiculitum processed through step C,
Obtain granularity and be about the Vermiculitum powder of 150 mesh；
E. the Vermiculitum powder obtained through the process of step D is placed in Muffle furnace, with the heating rate of 10 DEG C/min, heats up
After 300 DEG C, naturally cool to room temperature, the Vermiculitum powder obtained is crossed 300 mesh mesh screens respectively, removes the vermiculite power more than 300 mesh
End；Then being joined by cooling Vermiculitum powder in nitric acid and the sulfuric acid mixed solution of 2.0M, magnetic agitation is heated to 70～90 DEG C
Continue 2 hours, obtain solidliquid mixture；
F. in the solidliquid mixture obtained through step E, add disodium hydrogen phosphate-citrate buffer solution, use ammonia to adjust
Joint pH value, to 7.0 ± 0.5, obtains mixed solution, and adds silver nitrate and the 1M that concentration is 0.5M successively in above-mentioned solution
NiC2O4 solution, is placed in 5～10Gy by above-mentioned mixed solution137Irradiate 1～2 hour under the gamma-rays that Cs produces, be subsequently adding
50g CNT, reuses 10～30Gy137Irradiate 1～1.5 hour under the gamma-rays that Cs produces；
G. in the solution of F step process, add nanometer Montmorillonitum and TiO2 solution, keep 3 hours, use 20Gy's60Co
Gamma-rays irradiates 3 hours, is placed in ultrasonic middle dispersion 30min, is filtrated to get solid；
H. the solid matter processed through step G is placed in baking oven and is dried overnight, then use ultrafine mill refinement,
Cross 300 mesh mesh screens, i.e. can get vermiculite heat-insulating coating；
When I. using, step H the vermiculite heat-insulating coating prepared is dissolved in suitable quantity of water and epoxy resin merges.
As shown in table 1 to the experimental result of above-mentioned application scenarios:
The performance of table 1 insulating moulding coating
Application scenarios 2
Fig. 1 is according to a kind of welder with one heart shown in an exemplary embodiment, as it is shown in figure 1, include welding with one heart
Bar the 4, first nut 1, first sleeve the 2, second sleeve pipe 6 and the second nut 7；The two ends of described concentric welding bars 4 offer respectively
First screw thread 3 and the second screw thread 5；Spiral shell in carry out threadeding with the first screw thread 3 first it is provided with in described first sleeve 2
Stricture of vagina；The second female thread carrying out threadeding with the second screw thread 5 it is provided with in described second sleeve pipe 6；Described first nut 1 and
One end of sleeve 2 connects；Described second nut 7 is connected with one end of the second sleeve pipe 6.
A kind of welder with one heart that the above embodiment of the present invention provides, can carry out dismantling very easily and it is each
Individual building block can reuse, thus solves above-mentioned technical problem.
Preferably, described first sleeve 2 and described second sleeve pipe 6 are made by stainless steel material.
Preferably, described first sleeve 2 or the second sleeve pipe 6 are made by having resilient stainless steel pipe.
Preferably, the external coating of described concentric welding bars 4 has insulating moulding coating；Fig. 2 is to show according to an exemplary embodiment
The process chart of the preparation method of the insulating moulding coating of a kind of concentric welder gone out.Reference Fig. 2, described insulating moulding coating,
Preparation method is as follows:
A. screening: take the Vermiculitum of 500 parts of weight, removes the impurity such as dust on Vermiculitum surface, obtains Vermiculitum former through selecting crude drugs with winnower
Material；
B. treatment fluid preparation: by 100g Al (NO3)3.9H2O is dissolved in isopyknic Carbon bisulfide, adds 50ml epoxy third
Alkane and 20ml Methanamide；
C. by the Vermiculitum raw material processed through the A input treatment fluid for preparing of step B 2 hours, trematodiasis is tentatively expanded
Stone；Preliminary expanded vermiculite is placed in electric arc furnace in 1000 DEG C, with 20 DEG C/min heating rate, processes 2 hours, obtain secondary swollen
Swollen Vermiculitum；
D. super micron mill is used to pulverize and after ultrafine mill refinement the reexpansion Vermiculitum processed through step C,
Obtain granularity and be about the Vermiculitum powder of 150 mesh；
E. the Vermiculitum powder obtained through the process of step D is placed in Muffle furnace, with the heating rate of 10 DEG C/min, heats up
After 300 DEG C, naturally cool to room temperature, the Vermiculitum powder obtained is crossed 300 mesh mesh screens respectively, removes the Vermiculitum more than 300 mesh
Grain；Then being joined by cooling Vermiculitum powder in nitric acid and the sulfuric acid mixed solution of 2.0M, magnetic agitation is heated to 70～90 DEG C
Continue 2 hours, obtain solidliquid mixture；
F. in the solidliquid mixture obtained through step E, add disodium hydrogen phosphate-citrate buffer solution, use ammonia to adjust
Joint pH value, to 7.0 ± 0.5, obtains mixed solution, and adds silver nitrate and the 1M that concentration is 0.5M successively in above-mentioned solution
NiC2O4 solution, is placed in 5～10KG by above-mentioned mixed solution137Irradiate 1～2 hour under the gamma-rays that Cs produces, be subsequently adding
50g CNT, reuses 10～30KG137Irradiate 1～1.5 hour under the gamma-rays that Cs produces；
G. in the solution of F step process, add nanometer Montmorillonitum and TiO2 solution, keep 3 hours, use 20Gy's60Co
Gamma-rays irradiates 3 hours, is placed in ultrasonic middle dispersion 30min, is filtrated to get solid；
H. the solid matter processed through step G is placed in baking oven and is dried overnight, then use ultrafine mill refinement,
Cross 300 mesh mesh screens, i.e. can get vermiculite heat-insulating coating；
When I. using, step H the vermiculite heat-insulating coating prepared is dissolved in suitable quantity of water and epoxy resin merges.
As shown in table 1 to the experimental result of above-mentioned application scenarios:
The performance of table 1 insulating moulding coating
Application scenarios 3
Fig. 1 is according to a kind of welder with one heart shown in an exemplary embodiment, as it is shown in figure 1, include welding with one heart
Bar the 4, first nut 1, first sleeve the 2, second sleeve pipe 6 and the second nut 7；The two ends of described concentric welding bars 4 offer respectively
First screw thread 3 and the second screw thread 5；Spiral shell in carry out threadeding with the first screw thread 3 first it is provided with in described first sleeve 2
Stricture of vagina；The second female thread carrying out threadeding with the second screw thread 5 it is provided with in described second sleeve pipe 6；Described first nut 1 and
One end of sleeve 2 connects；Described second nut 7 is connected with one end of the second sleeve pipe 6.
A kind of welder with one heart that the above embodiment of the present invention provides, can carry out dismantling very easily and it is each
Individual building block can reuse, thus solves above-mentioned technical problem.
Preferably, described first sleeve 2 and described second sleeve pipe 6 are made by stainless steel material.
Preferably, described first sleeve 2 or the second sleeve pipe 6 are made by having resilient stainless steel pipe.
Preferably, the external coating of described concentric welding bars 4 has insulating moulding coating；Fig. 2 is to show according to an exemplary embodiment
The process chart of the preparation method of the insulating moulding coating of a kind of concentric welder gone out.Reference Fig. 2, described insulating moulding coating,
Preparation method is as follows:
A. screening: take the Vermiculitum of 500 parts of weight, removes the impurity such as dust on Vermiculitum surface, obtains Vermiculitum former through selecting crude drugs with winnower
Material；
B. treatment fluid preparation: by 100g Al (NO3)3.9H2O is dissolved in isopyknic Carbon bisulfide, adds 50ml epoxy third
Alkane and 20ml Methanamide；
C. by the Vermiculitum raw material processed through the A input treatment fluid for preparing of step B 2 hours, trematodiasis is tentatively expanded
Stone；Preliminary expanded vermiculite is placed in electric arc furnace in 1000 DEG C, with 20 DEG C/min heating rate, processes 2 hours, obtain secondary swollen
Swollen Vermiculitum；
D. super micron mill is used to pulverize and after ultrafine mill refinement the reexpansion Vermiculitum processed through step C,
Obtain granularity and be about the Vermiculitum powder of 150 mesh；
E. the Vermiculitum powder obtained through the process of step D is placed in Muffle furnace, with the heating rate of 10 DEG C/min, heats up
After 300 DEG C, naturally cool to room temperature, the Vermiculitum powder obtained is crossed 300 mesh mesh screens respectively, removes the Vermiculitum more than 300 mesh
Grain；Then being joined by cooling Vermiculitum powder in nitric acid and the sulfuric acid mixed solution of 2.0M, magnetic agitation is heated to 70～90 DEG C
Continue 2 hours, obtain solidliquid mixture；
F. in the solidliquid mixture obtained through step E, add disodium hydrogen phosphate-citrate buffer solution, use ammonia to adjust
Joint pH value, to 7.0 ± 0.5, obtains mixed solution, and adds silver nitrate and the 1M that concentration is 0.5M successively in above-mentioned solution
NiC2O4 solution, is placed in 5～10KG by above-mentioned mixed solution137Irradiate 1～2 hour under the gamma-rays that Cs produces, be subsequently adding
50g CNT, reuses 10～30KG137Irradiate 1～1.5 hour under the gamma-rays that Cs produces；
G. in the solution of F step process, add nanometer Montmorillonitum and TiO2 solution, keep 3 hours, use 20Gy's60Co
Gamma-rays irradiates 3 hours, is placed in ultrasonic middle dispersion 30min, is filtrated to get solid；
H. the solid matter processed through step G is placed in baking oven and is dried overnight, then use ultrafine mill refinement,
Cross 300 mesh mesh screens, i.e. can get vermiculite heat-insulating coating；
When I. using, step H the vermiculite heat-insulating coating prepared is dissolved in suitable quantity of water and epoxy resin merges.
As shown in table 1 to the experimental result of above-mentioned application scenarios:
The performance of table 1 insulating moulding coating
Application scenarios 4
Fig. 1 is according to a kind of welder with one heart shown in an exemplary embodiment, as it is shown in figure 1, include welding with one heart
Bar the 4, first nut 1, first sleeve the 2, second sleeve pipe 6 and the second nut 7；The two ends of described concentric welding bars 4 offer respectively
First screw thread 3 and the second screw thread 5；Spiral shell in carry out threadeding with the first screw thread 3 first it is provided with in described first sleeve 2
Stricture of vagina；The second female thread carrying out threadeding with the second screw thread 5 it is provided with in described second sleeve pipe 6；Described first nut 1 and
One end of sleeve 2 connects；Described second nut 7 is connected with one end of the second sleeve pipe 6.
A kind of welder with one heart that the above embodiment of the present invention provides, can carry out dismantling very easily and it is each
Individual building block can reuse, thus solves above-mentioned technical problem.
Preferably, described first sleeve 2 and described second sleeve pipe 6 are made by stainless steel material.
Preferably, described first sleeve 2 or the second sleeve pipe 6 are made by having resilient stainless steel pipe.
Preferably, the external coating of described concentric welding bars 4 has insulating moulding coating；Fig. 2 is to show according to an exemplary embodiment
The process chart of the preparation method of the insulating moulding coating of a kind of concentric welder gone out.Reference Fig. 2, described insulating moulding coating,
Preparation method is as follows:
A. screening: take the Vermiculitum of 500 parts of weight, removes the impurity such as dust on Vermiculitum surface, obtains Vermiculitum former through selecting crude drugs with winnower
Material；
B. treatment fluid preparation: by 100g Al (NO3)3.9H2O is dissolved in isopyknic Carbon bisulfide, adds 50ml epoxy third
Alkane and 20ml Methanamide；
C. by the Vermiculitum raw material processed through the A input treatment fluid for preparing of step B 2 hours, trematodiasis is tentatively expanded
Stone；Preliminary expanded vermiculite is placed in electric arc furnace in 1000 DEG C, with 20 DEG C/min heating rate, processes 2 hours, obtain secondary swollen
Swollen Vermiculitum；
D. super micron mill is used to pulverize and after ultrafine mill refinement the reexpansion Vermiculitum processed through step C,
Obtain granularity and be about the Vermiculitum powder of 150 mesh；
E. the Vermiculitum powder obtained through the process of step D is placed in Muffle furnace, with the heating rate of 10 DEG C/min, heats up
After 300 DEG C, naturally cool to room temperature, the Vermiculitum powder obtained is crossed 300 mesh mesh screens respectively, removes the Vermiculitum more than 300 mesh
Grain；Then being joined by cooling Vermiculitum powder in nitric acid and the sulfuric acid mixed solution of 2.0M, magnetic agitation is heated to 70～90 DEG C
Continue 2 hours, obtain solidliquid mixture；
F. in the solidliquid mixture obtained through step E, add disodium hydrogen phosphate-citrate buffer solution, use ammonia to adjust
Joint pH value, to 7.0 ± 0.5, obtains mixed solution, and adds silver nitrate and the 1M that concentration is 0.5M successively in above-mentioned solution
NiC2O4 solution, is placed in 5～10KG by above-mentioned mixed solution137Irradiate 1～2 hour under the gamma-rays that Cs produces, be subsequently adding
50g CNT, reuses 10～30KG137Irradiate 1～1.5 hour under the gamma-rays that Cs produces；
G. in the solution of F step process, add nanometer Montmorillonitum and TiO2 solution, keep 3 hours, use 20Gy's60Co
Gamma-rays irradiates 3 hours, is placed in ultrasonic middle dispersion 30min, is filtrated to get solid；
H. the solid matter processed through step G is placed in baking oven and is dried overnight, then use ultrafine mill refinement,
Cross 300 mesh mesh screens, i.e. can get vermiculite heat-insulating coating；
When I. using, step H the vermiculite heat-insulating coating prepared is dissolved in suitable quantity of water and epoxy resin merges.
As shown in table 1 to the experimental result of above-mentioned application scenarios:
The performance of table 1 insulating moulding coating
Application scenarios 5
Fig. 1 is according to a kind of welder with one heart shown in an exemplary embodiment, as it is shown in figure 1, include welding with one heart
Bar the 4, first nut 1, first sleeve the 2, second sleeve pipe 6 and the second nut 7；The two ends of described concentric welding bars 4 offer respectively
First screw thread 3 and the second screw thread 5；Spiral shell in carry out threadeding with the first screw thread 3 first it is provided with in described first sleeve 2
Stricture of vagina；The second female thread carrying out threadeding with the second screw thread 5 it is provided with in described second sleeve pipe 6；Described first nut 1 and
One end of sleeve 2 connects；Described second nut 7 is connected with one end of the second sleeve pipe 6.
A kind of welder with one heart that the above embodiment of the present invention provides, can carry out dismantling very easily and it is each
Individual building block can reuse, thus solves above-mentioned technical problem.
Preferably, described first sleeve 2 and described second sleeve pipe 6 are made by stainless steel material.
Preferably, described first sleeve 2 or the second sleeve pipe 6 are made by having resilient stainless steel pipe.
Preferably, the external coating of described concentric welding bars 4 has insulating moulding coating；Fig. 2 is to show according to an exemplary embodiment
The process chart of the preparation method of the insulating moulding coating of a kind of concentric welder gone out.Reference Fig. 2, described insulating moulding coating,
Preparation method is as follows:
A. screening: take the Vermiculitum of 500 parts of weight, removes the impurity such as dust on Vermiculitum surface, obtains Vermiculitum former through selecting crude drugs with winnower
Material；
B. treatment fluid preparation: by 100g Al (NO3)3.9H2O is dissolved in isopyknic Carbon bisulfide, adds 50ml epoxy third
Alkane and 20ml Methanamide；
C. by the Vermiculitum raw material processed through the A input treatment fluid for preparing of step B 2 hours, trematodiasis is tentatively expanded
Stone；Preliminary expanded vermiculite is placed in electric arc furnace in 1000 DEG C, with 20 DEG C/min heating rate, processes 2 hours, obtain secondary swollen
Swollen Vermiculitum；
D. super micron mill is used to pulverize and after ultrafine mill refinement the reexpansion Vermiculitum processed through step C,
Obtain granularity and be about the Vermiculitum powder of 150 mesh；
E. the Vermiculitum powder obtained through the process of step D is placed in Muffle furnace, with the heating rate of 10 DEG C/min, heats up
After 300 DEG C, naturally cool to room temperature, the Vermiculitum powder obtained is crossed 300 mesh mesh screens respectively, removes the Vermiculitum more than 300 mesh
Grain；Then being joined by cooling Vermiculitum powder in nitric acid and the sulfuric acid mixed solution of 2.0M, magnetic agitation is heated to 70～90 DEG C
Continue 2 hours, obtain solidliquid mixture；
F. in the solidliquid mixture obtained through step E, add disodium hydrogen phosphate-citrate buffer solution, use ammonia to adjust
Joint pH value, to 7.0 ± 0.5, obtains mixed solution, and adds silver nitrate and the 1M that concentration is 0.5M successively in above-mentioned solution
NiC2O4 solution, is placed in 5～10KG by above-mentioned mixed solution137Irradiate 1～2 hour under the gamma-rays that Cs produces, be subsequently adding
50g CNT, reuses 10～30KG137Irradiate 1～1.5 hour under the gamma-rays that Cs produces；
G. in the solution of F step process, add nanometer Montmorillonitum and TiO2 solution, keep 3 hours, use 20Gy's60Co
Gamma-rays irradiates 3 hours, is placed in ultrasonic middle dispersion 30min, is filtrated to get solid；
H. the solid matter processed through step G is placed in baking oven and is dried overnight, then use ultrafine mill refinement,
Cross 300 mesh mesh screens, i.e. can get vermiculite heat-insulating coating；
When I. using, step H the vermiculite heat-insulating coating prepared is dissolved in suitable quantity of water and epoxy resin merges.
The performance of table 1 insulating moulding coating
In sum, the insulating moulding coating that the present invention uses has the following characteristics that
(1) Vermiculitum of the present invention and nanometer silver carry out compound tense, owing to adding CNT, nanometer Montmorillonitum and titanium etc.
Material, adds the specific surface area of whole composite so that it is has preferable absorption property and dispersibility, has excellent simultaneously
Heat-proof quality；
(2) Vermiculitum of the present invention is after gamma-ray irradiation, makes the surface group vigor of Vermiculitum strengthen, with CNT and
The binding ability of nanometer silver strengthens, and makes CNT and nanometer silver, montmorillonite etc. be adsorbed onto in a large number in the hole of Vermiculitum, on the one hand
Enhancing the heat-proof quality of Vermiculitum, the opposing party's name also makes the anti-microbial property of Vermiculitum coating improve；
(3) using Vermiculitum in the present invention is natural mineral, and it is cheap, rich reserves, and Vermiculitum has well
Heat-proof quality, is a kind of excellent insulating moulding coating, and the vermiculite heat-insulating coating of preparation has more preferable stability, and does not produce and poisonous have
The material of evil, is the environmental protection coating material of a kind of green natural.
Last it should be noted that, above example is only in order to illustrate technical scheme, rather than the present invention is protected
Protecting the restriction of scope, although having made to explain to the present invention with reference to preferred embodiment, those of ordinary skill in the art should
Work as understanding, technical scheme can be modified or equivalent, without deviating from the reality of technical solution of the present invention
Matter and scope.
Claims (4)
1. a concentric welder, it is characterised in that include concentric welding bars, the first nut, first sleeve, the second sleeve pipe and
Second nut；The two ends of described concentric welding bars offer the first screw thread and the second screw thread respectively；Arrange in described first sleeve
There is the first female thread carrying out threadeding with the first screw thread；It is provided with in described second sleeve pipe and carries out screw thread even with the second screw thread
The second female thread connect；Described first nut is connected with one end of first sleeve；Described second nut and one end of the second sleeve pipe
Connect.
The concentric welder of one the most according to claim 1, it is characterised in that described first sleeve and described second set
Pipe is made by stainless steel material.
The concentric welder of one the most according to claim 2, it is characterised in that described first sleeve or the second sleeve pipe by
Have resilient stainless steel pipe to make.
The concentric welder of one the most according to claim 3, it is characterised in that the external coating of described concentric welding bars
There is insulating moulding coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610738829.0A CN106312384A (en) | 2016-08-26 | 2016-08-26 | Concentric welding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610738829.0A CN106312384A (en) | 2016-08-26 | 2016-08-26 | Concentric welding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106312384A true CN106312384A (en) | 2017-01-11 |
Family
ID=57791468
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610738829.0A Pending CN106312384A (en) | 2016-08-26 | 2016-08-26 | Concentric welding device |
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| Country | Link |
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| CN (1) | CN106312384A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203843427U (en) * | 2014-05-05 | 2014-09-24 | 长治清华机械厂 | Expansion type positioning concentric rod device for welding assembly |
| CN204771344U (en) * | 2015-02-11 | 2015-11-18 | 杭州大精真空技术有限公司 | Welding frock concentric locating machine |
-
2016
- 2016-08-26 CN CN201610738829.0A patent/CN106312384A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203843427U (en) * | 2014-05-05 | 2014-09-24 | 长治清华机械厂 | Expansion type positioning concentric rod device for welding assembly |
| CN204771344U (en) * | 2015-02-11 | 2015-11-18 | 杭州大精真空技术有限公司 | Welding frock concentric locating machine |
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Application publication date: 20170111 |