CN207710125U - A kind of welder for core grade valve core for gate valve sealing surface reparation - Google Patents
A kind of welder for core grade valve core for gate valve sealing surface reparation Download PDFInfo
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- CN207710125U CN207710125U CN201721815062.3U CN201721815062U CN207710125U CN 207710125 U CN207710125 U CN 207710125U CN 201721815062 U CN201721815062 U CN 201721815062U CN 207710125 U CN207710125 U CN 207710125U
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- exhaust gas
- core
- gate valve
- understructure
- sealing surface
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Abstract
The utility model belongs to nuclear power station service technique field, more particularly to a kind of welder for core grade valve core for gate valve sealing surface reparation, purpose is the limitation for prior art and equipment, invent a kind of its welding equipment repaired online applied to the core grade gate valve plate with radiocontamination inside nuclear power plant's radioactivity factory building, to repair sealing surface, there are the core grade flashboards that crackle, larger pit or corrosion etc. can not be repaired only according to turning, grinding, filling state kernel level gate valve plate repairs the blank in field online, while improving construction environment.It is characterized in that：It includes understructure, shell mechanism, welding machine and exhaust gas adsorption structure；Since the build-up welding apparatus can be transported into inside nuclear power plant's workshop, contaminated valve plate does not have to take out workshop and can repair online, and equipment of the effective solution with radiocontamination can not take outside workshop the problem for carrying out off-line maintenance out of.
Description
Technical field
The utility model belongs to nuclear power station service technique field, and in particular to one kind is repaiied for core grade valve core for gate valve sealing surface
Multiple welder.
Background technology
The reparation generally use of the non-core grade gate valve plate sealing surface of conventional thermal power plant or chemical plant is added offline at present
The mode of work.It is shallower for sealing surface of valve plate surface crater, cut, it can be in such a way that direct use grinding or turning add grinding
It is handled.For pit or the deeper situation of cut, generally use is clean by sealing surface entirety turning, exposes valve plate matrix,
Pile-up welding hard alloy later, and turning grinding seal surface makes angle between its valve plate angle and sealing surface of seat match.It is welded
Method generally use manual build up welding or oxyacetylene torch automatic welding.
In terms of current present situation, traditional welding equipment and technique have its limitation.It is stained with radioactivity in nuclear power plant
Dirty core grade equipment forbids taking out of outside radioactivity factory building, therefore utilizes traditional automatic welding according to related management regulation
It is infeasible to connect equipment and carry out offline repair.
There is high requirement for the control of flue dust in nuclear power plant's radioactivity factory building, and equipment is numerous in workshop, space
It is narrow, it is desirable that the volume of welding equipment cannot be too big.Traditional automatic welding equipment integrated level is not high, and space is big, weldering
Flue dust splashes when connecing operation, it is difficult to meet the requirement for weld job inside nuclear power plant's workshop.
In addition, core grade gate valve plate size is larger, manual build up welding heavy workload, labor intensity is high, and core grade gate valve plate
More demanding for the built-up welding of sealing surface, for different welders due to individual difference, surfacing quality is irregular, poor repeatability, therefore
For large scale core grade flashboard for sluice valve, the mode of manual build up welding and undesirable is taken.
In order to overcome the limitation of process above and equipment, invention one kind is needed to be repaired online applied to core grade gate valve plate
Welder.
Utility model content
The purpose of this utility model is that for prior art and the limitation of equipment, invention one kind is put applied to nuclear power plant
Its welding equipment that the core grade gate valve plate with radiocontamination is repaired online inside penetrating property workshop, to repair sealing surface presence
The core grade flashboard that crackle, larger pit or corrosion etc. can not be repaired only according to turning, grinding, filling state kernel level gate valve plate are online
The blank in reparation field, while improving construction environment.
The utility model is realized in this way：
A kind of welder for core grade valve core for gate valve sealing surface reparation, including understructure, shell mechanism, welding machine and
Exhaust gas adsorption structure；Understructure is integral type frame structure, for integrating welding machine and exhaust gas adsorption structure, while being shell knot
Structure, welding machine and exhaust gas adsorption structure provide support platform；Welding machine is fixed on understructure, close for realizing core grade valve core for gate valve
Weld job in cover repair process；Exhaust gas adsorption device is fixed on understructure, for adsorbing welding process generation
Particulate matter in exhaust gas；Shell mechanism is fixed on understructure, is coated on the periphery of welding machine and exhaust gas adsorption structure, and being used for will
The whole flue dust generated during weld job are coated on inside, and flue dust is prevented to be dissipated to hall space.
Understructure as described above includes girder steel, steel loop, channel steel and base body；Base body generally rectangular slab
Shape, upper surface are used to support shell mechanism, welding machine and exhaust gas adsorption structure；Girder steel shares two, respectively along base body upper end
The diagonal line in face is arranged, the intensity for increasing base body；There are four steel loop is total, it is separately positioned on four angles of base body
On, for connecting suspender；Channel steel shares two, is arranged respectively along base body length direction, is fixed on the lower end of base body
On face；The spacing of two crane arms of spacing and fork truck between two channel steels matches, and size and the fork truck of channel steel prevent from pitching
The crane arm size of vehicle matches, and understructure integrally occurs sliding, rolls when for transporting, and prevents security risk.
Shell mechanism as described above includes shell, eyeshield observation window and can push-pull door；The generally hollow side of shell
Body, lower ending opening are mounted on understructure；Square hole is offered in the middle part of front end face, it can push-pull door for installing；Before
The right part of end face is provided with square hole, and the parameter for installing welding machine regulates and controls panel；Shell is for butt welding machine and exhaust gas absorption knot
Structure plays coating function；Can push-pull door be mounted on housing central section square hole in, facilitate personnel disengaging to adjust the position of weldment；
Eyeshield observation window, which is mounted on, to be made of dark glass on push-pull door, with facilitate to entire welding process carry out observation and
Control.
Shell as described above is made of pressing sheet material welding.
Exhaust gas adsorption structure as described above includes the first pipeline, the first drexel bottle, the second pipeline, the second drexel bottle, the
Three pipelines, active carbon filter screen and molecular sieve；First pipeline is inverted " u "-shaped pipe, and inlet is provided with exhaust fan, for sucking welding
Exhaust gas afterwards, exit are inserted into the first drexel bottle；Water is housed, for adsorbing bulky grain ash in exhaust gas inside the first drexel bottle
Dirt is immersed in the water at the first tube outlet；Second pipeline is inverted " u "-shaped pipe, and inlet is located at the ullage of the first drexel bottle,
Inlet is provided with exhaust fan, and for being drawn through the exhaust gas after the first drexel bottle is adsorbed, exit is inserted into the second drexel bottle
In；It is immersed in the water at the second tube outlet equipped with water for adsorbing the bulky grain dust in exhaust gas inside second drexel bottle；The
Three pipelines are inverted "L" shape pipe, and inlet is located at the top of the second drexel bottle, and inlet is provided with exhaust fan, for being drawn through
Exhaust gas after second drexel bottle absorption；Middle part is provided with active carbon filter screen and molecular sieve, for adsorbing the ash of the little particle in exhaust gas
Dirt；Exit is provided with exhaust fan, for gas in third pipeline to be discharged.
The utility model has the beneficial effects that：
Since the build-up welding apparatus can be transported into inside nuclear power plant's workshop, contaminated valve plate can be online without taking out workshop
It repairs, equipment of the effective solution with radiocontamination can not take outside workshop the problem for carrying out off-line maintenance out of；
Space is saved on integrated frame since the build-up welding apparatus is highly integrated, fork truck is convenient to and row is hung
Start shipment, it is easier in layout hall space narrow in nuclear power plant.
Due to devise can plug-type door type structure and de-dusting cycle system, which successfully meets factory of nuclear power plant
For the high standard and high request of flue dust control inside room, built-up welding space interior flue dust closed cycle is realized, welding is improved
Operating environment.
Description of the drawings
Fig. 1 is a kind of understructure of welder for core grade valve core for gate valve sealing surface reparation of the utility model
Vertical view；
Fig. 2 is a kind of understructure of welder for core grade valve core for gate valve sealing surface reparation of the utility model
Front view；
Fig. 3 is a kind of shell mechanism of welder for core grade valve core for gate valve sealing surface reparation of the utility model
Front view；
Fig. 4 is a kind of exhaust gas absorption system of welder for core grade valve core for gate valve sealing surface reparation of the utility model
The structural schematic diagram of system.
Wherein：1. girder steel, 2. steel loops, 3. channel steels, 4. base bodies, 5. shells, 6. eyeshield observation windows, 7. can be plug-type
Door, 8. first pipelines, 9. first drexel bottles, 10. second pipelines, 11. second drexel bottles, 12. third pipelines, 13. active carbon filtrations
Net, 14. molecular sieves.
Specific implementation mode
The utility model is described further with reference to the accompanying drawings and examples.
A kind of welder for core grade valve core for gate valve sealing surface reparation, including understructure, shell mechanism, welding machine and
Exhaust gas adsorption structure.Understructure is integral type frame structure, for integrating welding machine and exhaust gas adsorption structure, while being shell knot
Structure, welding machine and exhaust gas adsorption structure provide support platform.Welding machine is fixed on understructure, close for realizing core grade valve core for gate valve
Weld job in cover repair process.Exhaust gas adsorption device is fixed on understructure, for adsorbing welding process generation
Particulate matter in exhaust gas.Shell mechanism is fixed on understructure, is coated on the periphery of welding machine and exhaust gas adsorption structure, and being used for will
The whole flue dust generated during weld job are coated on inside, and flue dust is prevented to be dissipated to hall space.
Welding machine uses existing design, including cooling water system, host, built-up welding powder conveying system, parameter regulation and control panel, weldering
Part frock clamp, the source of welding current, complete set of equipments can be purchased from the market.
As depicted in figs. 1 and 2, the understructure includes girder steel 1, steel loop 2, channel steel 3 and base body 4.Pedestal master
The generally rectangle tabular of body 4, upper surface are used to support shell mechanism, welding machine and exhaust gas adsorption structure.Girder steel 1 shares two,
It is arranged respectively along the diagonal line of 4 upper surface of base body, the intensity for increasing base body 4.There are four steel loop 2 is total, respectively
It is arranged on four angles of base body 4, for connecting suspender.Channel steel 3 shares two, respectively along 4 length direction of base body
Setting, is fixed on the lower face of base body 4.The spacing phase of spacing and two crane arms of fork truck between two channel steels 3
Matching, size and the fork truck of channel steel 3 prevent the crane arm size of fork truck from matching, and understructure is integrally slided when for transporting
Dynamic, inclination, prevents security risk.
As shown in figure 3, the shell mechanism includes shell 5, eyeshield observation window 6 and can push-pull door 7.Shell 5 is whole
For hollow square body, lower ending opening is mounted on understructure；Square hole is offered in the middle part of front end face, it can for installing
Push-pull door 7；The right part of front end face is provided with square hole, and the parameter for installing welding machine regulates and controls panel.Shell 5 is used for butt welding machine
Coating function is played with exhaust gas adsorption structure.Can push-pull door 7 be mounted in the square hole at the middle part of shell 5, facilitate personnel's disengaging with
Adjust the position of weldment.Eyeshield observation window 6, which is mounted on, to be made of dark glass, to facilitate to entirely applying on push-pull door 7
Weldering process is observed and is controlled.
In the present embodiment, shell 5 is made of pressing sheet material welding.
As shown in figure 4, the exhaust gas adsorption structure includes the first pipeline 8, the first drexel bottle 9, the second pipeline 10, second
Drexel bottle 11, third pipeline 12, active carbon filter screen 13 and molecular sieve 14.First pipeline 8 is inverted " u "-shaped pipe, and inlet is provided with
Exhaust fan, for sucking the exhaust gas after welding, exit is inserted into the first drexel bottle 9.First drexel bottle, 9 inside is equipped with water,
For adsorbing bulky grain dust in exhaust gas, 8 exit of the first pipeline is immersed in the water.Second pipeline 10 is inverted " u "-shaped pipe, inlet
Positioned at the ullage of the first drexel bottle 9, inlet is provided with exhaust fan, after being drawn through the first drexel bottle 9 absorption
Exhaust gas, exit are inserted into the second drexel bottle 11.Second drexel bottle, 11 inside is equipped with water, for adsorbing the bulky grain in exhaust gas
Dust, 10 exit of the second pipeline are immersed in the water.Third pipeline 12 is inverted "L" shape pipe, and inlet is located at the second drexel bottle 11
Top, inlet are provided with exhaust fan, for being drawn through the exhaust gas after the second drexel bottle 11 is adsorbed；Middle part is provided with activated carbon
Strainer 13 and molecular sieve 14, for adsorbing the little particle dust in exhaust gas；Exit is provided with exhaust fan, is used for third pipeline
Gas is discharged in 12.
The implementation of the utility model is explained in detail above in conjunction with embodiment, but the utility model and unlimited
In above-described embodiment, within the knowledge of a person skilled in the art, the utility model can also not departed from
Various changes can be made under the premise of objective.Existing skill may be used in the content not being described in detail in the utility model specification
Art.
Claims (5)
1. a kind of welder for core grade valve core for gate valve sealing surface reparation, it is characterised in that：It includes understructure, shell
Structure, welding machine and exhaust gas adsorption structure；Understructure is integral type frame structure, for integrating welding machine and exhaust gas adsorption structure,
Simultaneously support platform is provided for shell mechanism, welding machine and exhaust gas adsorption structure；Welding machine is fixed on understructure, for realizing core
Weld job in grade valve core for gate valve sealing surface repair process；Exhaust gas adsorption device is fixed on understructure, for adsorbing weldering
Particulate matter in the exhaust gas that termination process generates；Shell mechanism is fixed on understructure, is coated on welding machine and exhaust gas adsorption structure
Periphery prevent flue dust to be dissipated to hall space for the whole flue dust generated during weld job to be coated on inside.
2. the welder according to claim 1 for core grade valve core for gate valve sealing surface reparation, it is characterised in that：It is described
Understructure include girder steel (1), steel loop (2), channel steel (3) and base body (4)；Base body (4) generally rectangular slab
Shape, upper surface are used to support shell mechanism, welding machine and exhaust gas adsorption structure；Girder steel (1) shares two, respectively along base body
(4) the diagonal line setting of upper surface, the intensity for increasing base body (4)；There are four steel loop (2) is total, it is separately positioned on bottom
On four angles of seat main body (4), for connecting suspender；Channel steel (3) shares two, and along base body (4), length direction is set respectively
It sets, is fixed on the lower face of base body (4)；The spacing of two crane arms of spacing and fork truck between two channel steels (3)
Match, size and the fork truck of channel steel (3) prevent the crane arm size of fork truck from matching, and understructure is integrally sent out when for transporting
Raw sliding rolls, and prevents security risk.
3. the welder according to claim 1 for core grade valve core for gate valve sealing surface reparation, it is characterised in that：It is described
Shell mechanism include shell (5), eyeshield observation window (6) and can push-pull door (7)；The generally hollow square body of shell (5),
Lower ending opening is mounted on understructure；Square hole is offered in the middle part of front end face, it can push-pull door (7) for installing；Front end
The right part in face is provided with square hole, and the parameter for installing welding machine regulates and controls panel；Shell (5) is for butt welding machine and exhaust gas absorption knot
Structure plays coating function；Can push-pull door (7) be mounted on shell (5) in the middle part of square hole in, facilitate personnel disengaging to adjust weldment
Position；Eyeshield observation window (6), which is mounted on, to be made of dark glass, to facilitate to entire welding on push-pull door (7)
Cheng Jinhang is observed and control.
4. the welder according to claim 3 for core grade valve core for gate valve sealing surface reparation, it is characterised in that：It is described
Shell (5) using pressing sheet material welding be made.
5. the welder according to claim 1 for core grade valve core for gate valve sealing surface reparation, it is characterised in that：It is described
Exhaust gas adsorption structure include the first pipeline (8), the first drexel bottle (9), the second pipeline (10), the second drexel bottle (11), third
Pipeline (12), active carbon filter screen (13) and molecular sieve (14)；First pipeline (8) is inverted " u "-shaped pipe, and inlet is provided with pumping
Fan, for sucking the exhaust gas after welding, exit is inserted into the first drexel bottle (9)；Water is housed inside the first drexel bottle (9),
For adsorbing bulky grain dust in exhaust gas, the first pipeline (8) exit is immersed in the water；Second pipeline (10) is inverted " u "-shaped pipe, is entered
It is located at the ullage of the first drexel bottle (9) at mouthful, inlet is provided with exhaust fan, for being drawn through the first drexel bottle (9)
Exhaust gas after absorption, exit are inserted into the second drexel bottle (11)；Water is housed inside the second drexel bottle (11), it is useless for adsorbing
Bulky grain dust in gas, the second pipeline (10) exit are immersed in the water；Third pipeline (12) is inverted "L" shape pipe, inlet position
Top in the second drexel bottle (11), inlet are provided with exhaust fan, after being drawn through the second drexel bottle (11) absorption
Exhaust gas；Middle part is provided with active carbon filter screen (13) and molecular sieve (14), for adsorbing the little particle dust in exhaust gas；Exit is set
It is equipped with exhaust fan, for gas in third pipeline (12) to be discharged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721815062.3U CN207710125U (en) | 2017-12-22 | 2017-12-22 | A kind of welder for core grade valve core for gate valve sealing surface reparation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721815062.3U CN207710125U (en) | 2017-12-22 | 2017-12-22 | A kind of welder for core grade valve core for gate valve sealing surface reparation |
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| Publication Number | Publication Date |
|---|---|
| CN207710125U true CN207710125U (en) | 2018-08-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721815062.3U Active CN207710125U (en) | 2017-12-22 | 2017-12-22 | A kind of welder for core grade valve core for gate valve sealing surface reparation |
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| CN (1) | CN207710125U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109955008A (en) * | 2017-12-22 | 2019-07-02 | 中核核电运行管理有限公司 | A kind of welder for nuclear leve valve core for gate valve sealing surface reparation |
| CN110860801A (en) * | 2019-10-11 | 2020-03-06 | 山东优迈数控技术研发有限公司 | Laser cutting machine with chamfering function |
-
2017
- 2017-12-22 CN CN201721815062.3U patent/CN207710125U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109955008A (en) * | 2017-12-22 | 2019-07-02 | 中核核电运行管理有限公司 | A kind of welder for nuclear leve valve core for gate valve sealing surface reparation |
| CN110860801A (en) * | 2019-10-11 | 2020-03-06 | 山东优迈数控技术研发有限公司 | Laser cutting machine with chamfering function |
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