CN110270741A - Weld all steel indirect cool tower ring-type frame body synchronous air supply system and its construction method - Google Patents
Weld all steel indirect cool tower ring-type frame body synchronous air supply system and its construction method Download PDFInfo
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- CN110270741A CN110270741A CN201910642309.3A CN201910642309A CN110270741A CN 110270741 A CN110270741 A CN 110270741A CN 201910642309 A CN201910642309 A CN 201910642309A CN 110270741 A CN110270741 A CN 110270741A
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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
- B23K9/00—Arc welding or cutting
- B23K9/16—Arc welding or cutting making use of shielding gas
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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
- B23K9/00—Arc welding or cutting
- B23K9/32—Accessories
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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
- B23K9/00—Arc welding or cutting
- B23K9/32—Accessories
- B23K9/325—Devices for supplying or evacuating shielding gas
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Arc Welding In General (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention discloses a kind of welding all steel indirect cool tower ring-type frame body synchronous air supply system and its construction method, solve the problems, such as the pressure and supply of the weld seam protection gas of each weld seam welding how are effectively precisely controlled when all steel indirect cool tower ring-type frame body synchronous welding.The Basolateral of welding full steel structure air cooling tower lower cone body support frame is provided with the main gas supply annulus line (1) of closed CO2, the pipeline is connected to by CO2 gas access tube (3) with liquid CO 2 gas source tank (2), it has been equally spaced tributary interface of supplying gas (5) on the main gas supply annulus line of closed CO2 and has vertically supplied gas bypass duct (6), weld seam protection gas gas chamber (10) is connected on the another port of weld seam protection gas gas chamber access tube (9), weld seam protection gas gas chamber is articulated on the top link of top setting of welding full steel structure air cooling tower lower cone body support frame by gas chamber hook (13).Substantially increase the welding quality of cyclic annular frame body.
Description
Technical field
The present invention relates to a kind of cyclic annular triangle gridding shelf components of thermal power plant full steel structure indirect air cooling tower
Overhead welding construction device, in particular to it is a kind of weld seam to be used when implementing overhead welding to cyclic annular triangle gridding shelf component
The synchronous air supply system and air supply method CO2 gas progress weld seam protection and carry out the cleaning of back of weld root with compressed air.
Background technique
Large-scale full steel structure indirect air cooling tower is by lower cone body support frame, top tower body, reinforcing ring, peripheral protective aluminium sheet
Equal Member Weldings form, and generally require and weld to hundreds of triangle griddings and tens broadenings, and welding weight reaches thousands of tons of,
Nearly 200 meters of tower body height；About more than 100 meters of Upper cylindrical tower body height, about 96 meters of cylinder tower body diameter, by more than 12 layer 400 three
Hexagonal lattice composition；Lower part cone is about 65 meters high, and base diameter is more than 150 meters, by several layers, a triangular mesh more than 200, and
One layer of tens broadening are welded to form；Stiffening ring has several layers.Triangular mesh and broadening mainly use Q345B and Q235B steel,
Welding procedure is carried out using medicine core carbon dioxide gas arc welding (FCAW), welded using CO2 gas in the welding process
Seam protection, while the cleaning of back of weld root is carried out using compressed air.Since indirect cool tower ring-type frame body is by weldering component
Body is triangular shape, and multiple triangular shapes are soldered component and are spliced into annular shape, and in welding, generation local deformation is comprehended in commissure,
Only weld seam local deformation could be overcome to be produced well by the way of synchronous welding each splicing component on same annulus
The raw influence to each splicing weldment concentricity, and the pressure and confession of CO2 weld seam protection gas used when the welding of each weld seam
The quality that will have a direct impact on welding cyclization should be measured, how synchronous welding is implemented to each weld seam for being welded into ring, and weld synchronous
The pressure and supply of the CO2 weld seam protection gas of each weld seam welding are effectively precisely controlled in connecing, greatly improve welding quality at
For the live technical issues that need to address；Existing site welding method is that multiple CO2 gas cylinders are successively lifted into high-altitude middle ring
On shape weld holder, there are lifting heavy workload, the gas capacity of especially each welding CO2 gas cylinder is small, if welding process is changed
Gas not in time, can influence the quality of weld seam because of protective gas insufficient pressure；In addition, the mode of seperated lifting gas cylinder is also deposited
It is long in the welding procedure early-stage preparations time, influence the progress of entire welding sequence.
Summary of the invention
The present invention provides a kind of welding all steel indirect cool tower ring-type frame body synchronous air supply systems and its construction method, solve
How the pressure of the CO2 weld seam protection gas of each weld seam welding is effectively precisely controlled when all steel indirect cool tower ring-type frame body synchronous welding
The technical issues of power and supply.
The present invention is to solve the above technical problem by the following technical programs:
A kind of synchronous air supply system of welding all steel indirect cool tower ring-type frame body, including welding full steel structure air cooling tower lower part cone branch
Frame is provided with top link on the top of welding full steel structure air cooling tower lower cone body support frame, in welding full steel structure air cooling tower
The main gas supply annulus line of closed CO2 is provided on the inside of the bottom end of lower cone body support frame, the closed main gas supply annulus line of CO2 is logical
It crosses CO2 gas access tube to be connected together with liquid CO 2 gas source tank, CO2 gas gas source is provided on CO2 gas access tube
Control valve has been equally spaced CO2 on the main gas supply annulus line of closed CO2 and has supplied gas tributary interface, supplies gas branch in CO2
It is connected with CO2 on interface vertically to supply gas bypass duct, is provided with CO2 in vertically the supply gas lower end of bypass duct CO2 and vertically supplies gas branch
Control valve is connected with CO2 and vertically supplies gas top four-way in vertically the supply gas upper port of bypass duct of CO2, vertically supplies gas branch in CO2
It is provided with valve on pipe, CO2 weld seam protection gas gas chamber is respectively connected on the other three interface that CO2 vertically supplies gas top four-way
Access tube is connected with CO2 weld seam protection gas gas chamber, CO2 weldering on the another port of CO2 weld seam protection gas gas chamber access tube
Seam protective gas gas chamber is articulated in the top of the top setting of welding full steel structure air cooling tower lower cone body support frame by gas chamber
It holds on link, CO2 weld seam protection gas delivery port is provided on CO2 weld seam protection gas gas chamber, in CO2 weld seam protection gas
CO2 weld seam protection gas flow meter is provided on delivery outlet.
It is provided with the main gas supply annulus line of closed compressed air on the outside of the main gas supply annulus line of closed CO2, seals
The main gas supply annulus line of the compressed air closed is connected together by compressed air gas access tube with air compressor, is being compressed
Compressed air gas gas source control valve is provided on air gas access tube, in the main gas supply annulus line of closed compressed air
On be equally spaced compressed air and supplied gas tributary interface, supplying gas in compressed air, to be connected with compressed air on tributary interface perpendicular
To bypass duct of supplying gas, it is provided with compressed air in vertically the supply gas lower end of bypass duct of compressed air and vertically supplies gas branch road control valve,
It is connected with threeway in the upper port that compressed air vertically supplies gas bypass duct, vertically supplies gas in compressed air and is provided in bypass duct
Valve vertically supplies gas bypass duct in compressed air and CO2 vertically supplies gas and is provided with rubber binding strap between bypass duct.
The closed main gas supply annulus line of CO2 and the main gas supply annulus line of closed compressed air are by arc seamless steel
What tube coupling and rubber fittings splicing connection formed (can also pass through flexible rubber fittings splicing group by seamless steel tube coupling
At), rubber fittings are bolted between two adjacent arc seamless steel tube couplings, is provided with and supplies gas on arc seamless steel tube coupling
Tributary interface.
A kind of construction method of the synchronous air supply system of welding all steel indirect cool tower ring-type frame body, comprising the following steps:
The first step, processing arc seamless steel tube coupling, process tributary interface of supplying gas on arc seamless steel tube coupling, seamless in arc
Screw thread is set on two nozzle of steel pipe joint, screw thread is set at the both ends of rubber fittings；
Top link is arranged on the top of welding full steel structure air cooling tower lower cone body support frame in second step, in welding full steel structure
The splicing connection composition closing that the Basolateral of air cooling tower lower cone body support frame passes through arc seamless steel tube coupling and rubber fittings
The main gas supply annulus line of CO2；
The main gas supply annulus line of closed CO2 is connected to liquid CO 2 gas source tank one by third step by CO2 gas access tube
It rises；
4th step is vertically supplied gas bypass duct in the CO2 connection CO2 on tributary interface that supplies gas, and is vertically supplied gas the upper end of bypass duct in CO2
Mouthful connection CO2 vertically supplies gas top four-way, and CO2 weld seam guarantor is all connected on the other three interface that CO2 vertically supplies gas top four-way
Gas gas chamber access tube is protected, CO2 weld seam protection gas gas is connected on the another port of CO2 weld seam protection gas gas chamber access tube
CO2 weld seam protection gas gas chamber is articulated in the top of welding full steel structure air cooling tower lower cone body support frame by room by gas chamber
On the top link for holding setting, CO2 weld seam protection gas flow meter is set on CO2 weld seam protection gas delivery port；
5th step, closed CO2 it is main gas supply annulus line outside, pass through the spelling of arc seamless steel tube coupling and rubber fittings
The closed main gas supply annulus line of compressed air of composition is connect in succession；
6th step is vertically supplied gas bypass duct in compressed air connection compressed air on tributary interface of supplying gas, vertical in compressed air
Threeway is connected in the upper port for bypass duct of supplying gas, bypass duct is vertically supplied gas in compressed air and CO2 vertically supplies gas between bypass duct
Connect rubber binding strap.
The present invention is to weld the synchronization overhead welding of all steel indirect cool tower ring-type frame body, provides simple and easy embodiment party
Case on ground in the form of double gas supply, the CO2 of pressure such as provides in the synchronous welding of each weld seam in high-altitude is implemented for each weld seam
Protective gas substantially increases the welding quality of cyclic annular frame body；Surface deployment gas main passes through the flexible of bypass duct of vertically supplying gas
It lays, eliminates the upper air installing process of CO2 gas cylinder, substantially increase construction efficiency；According to the size of air cooling tower, in ground spirit
It is living lay supply gas tributary interface and at the top of bypass duct of supplying gas four-way use, greatly expand the quantity of available gas supply point, pole
The earth improves the combination flexibility that aerial welding protection gas point is laid, and reduces construction cost.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is the connection structure for splicing schematic diagram of arc seamless steel tube coupling 23 and rubber fittings 24 of the invention；
Fig. 3 is the structural schematic diagram of arc seamless steel tube coupling 23 of the invention；
Fig. 4 is the structural schematic diagram of CO2 weld seam protection gas gas chamber 10 of the invention；
Fig. 5 is that the connection structure that CO2 of the invention vertically supplies gas bypass duct 6 and CO2 vertically supplies gas between top four-way 8 is illustrated
Figure；
Fig. 6 is the attachment structure schematic diagram that compressed air of the invention is vertically supplied gas between bypass duct 19 and threeway 21.
Specific embodiment
The present invention is described in detail with reference to the accompanying drawing:
A kind of synchronous air supply system of welding all steel indirect cool tower ring-type frame body, including welding full steel structure air cooling tower lower part cone branch
Frame is provided with top link on the top of welding full steel structure air cooling tower lower cone body support frame, for mounting CO2 weld seam protection gas
Body gas chamber 10, to be provided with closed CO2 main for gas ring shape on the inside of the bottom end of welding full steel structure air cooling tower lower cone body support frame
Pipeline 1, the closed main gas supply annulus line 1 of CO2 are connected together by CO2 gas access tube 3 with liquid CO 2 gas source tank 2,
CO2 gas gas source control valve 4 is provided on CO2 gas access tube 3, on the main gas supply annulus line 1 of closed CO2 at equal intervals
Ground is provided with CO2 and supplies gas tributary interface 5, supplies gas in CO2 and is connected with CO2 on tributary interface 5 and vertically supplies gas bypass duct 6, each CO2 is perpendicular
The air pressure of CO2 into bypass duct 6 of supplying gas be it is identical, be provided with CO2 in vertically the supply gas lower end of bypass duct 6 CO2 and vertically send
Gas branch road control valve 7 is connected with CO2 and vertically supplies gas top four-way 8 in vertically the supply gas upper port of bypass duct 6 of CO2, perpendicular in CO2
CO2 weld seam protection gas gas chamber access tube 9 is respectively connected on the other three interface for supplying gas top four-way 8, in CO2 weld seam protection
CO2 weld seam protection gas gas chamber 10, CO2 weld seam protection gas gas chamber 10 are connected on the another port of gas gas chamber access tube 9
It is articulated on the top link of top setting of welding full steel structure air cooling tower lower cone body support frame by gas chamber hook 13, each
CO2, which vertically supplies gas, can at most connect four CO2 weld seam protection gas gas chambers 10 in bypass duct 6, in CO2 weld seam protection gas gas chamber
It is provided with CO2 weld seam protection gas delivery port 11 on 10, CO2 weld seam guarantor is provided on CO2 weld seam protection gas delivery port 11
Gas flow meter 12 is protected, CO2 weld seam protection gas delivery port 11 there are four settings on each CO2 weld seam protection gas gas chamber 10,
Namely every CO2 bypass duct 6 of vertically supplying gas at most can provide protective gas simultaneously for 16 welded seams, protect in CO2 weld seam
The CO2 weld seam protection gas flow meter 12 being arranged on shield gas delivery port 11 can indicate the pressure of protective gas in time, guarantee
The quality of weld seam in welding.
The outside of the main gas supply annulus line 1 of closed CO2 is provided with the main gas supply annulus line 14 of closed compressed air,
The closed main gas supply annulus line 14 of compressed air is connected to air compressor 15 one by compressed air gas access tube 16
It rises, compressed air gas gas source control valve 17 is provided on compressed air gas access tube 16, in closed compressed air
It has been equally spaced compressed air on main gas supply annulus line 14 to supply gas tributary interface 18, has supplied gas tributary interface in compressed air
It is connected with compressed air on 18 vertically to supply gas bypass duct 19, vertically the supply gas lower end of bypass duct 19 of compressed air is provided with compression
Air is vertically supplied gas branch road control valve 20, and threeway 21 is connected in the upper port that compressed air vertically supplies gas bypass duct 19,
Rubber binding strap 22, closed CO2 are provided between bypass duct 6 that compressed air vertically supplies gas bypass duct 19 and CO2 vertically supplies gas
Main gas supply annulus line 1 and the main gas supply annulus line 14 of closed compressed air constitute bicyclic air supply system on ground, generally
By rubber binding strap 22 by a compressed air vertically supply gas bypass duct 19 and a CO2 vertically supply gas the binding of bypass duct 6 at
One group.
The closed main gas supply annulus line 1 of CO2 and the main gas supply annulus line 14 of closed compressed air be by arc without
It stitches steel pipe joint 23 and the splicing of rubber fittings 24 connects composition, be bolted with rubber between two adjacent arc seamless steel tube couplings
Pipe fitting 24 is provided with tributary interface of supplying gas on arc seamless steel tube coupling 23.
A kind of construction method of the synchronous air supply system of welding all steel indirect cool tower ring-type frame body, comprising the following steps:
The first step, processing arc seamless steel tube coupling 23, process tributary interface of supplying gas on arc seamless steel tube coupling 23, in arc
Screw thread is set on 23 liang of nozzles of seamless steel tube coupling, screw thread is set at the both ends of rubber fittings 24；
Top link is arranged on the top of welding full steel structure air cooling tower lower cone body support frame in second step, in welding full steel structure
The Basolateral of air cooling tower lower cone body support frame connect composition with the splicing of rubber fittings 24 by arc seamless steel tube coupling 23
The closed main gas supply annulus line 1 of CO2；
The main gas supply annulus line 1 of closed CO2 is connected to by third step by CO2 gas access tube 3 with liquid CO 2 gas source tank 2
Together；
4th step is vertically supplied gas bypass duct 6 in the CO2 connection CO2 on tributary interface 5 that supplies gas, and is vertically supplied gas bypass duct 6 in CO2
Upper port connection CO2 vertically supplies gas top four-way 8, is all connected with CO2 on the other three interface that CO2 vertically supplies gas top four-way 8
Weld seam protection gas gas chamber access tube 9 connects CO2 weld seam on the another port of CO2 weld seam protection gas gas chamber access tube 9 and protects
Gas gas chamber 10 is protected, CO2 weld seam protection gas gas chamber 10 is articulated under welding full steel structure air cooling tower by gas chamber hook 13
On the top link of the top setting of portion's cone bracket, CO2 weld seam protection gas is set on CO2 weld seam protection gas delivery port 11
Body flowmeter 12；
5th step, closed CO2 it is main gas supply annulus line 1 outside, pass through arc seamless steel tube coupling 23 and rubber fittings
24 splicing connection forms the closed main gas supply annulus line 14 of compressed air；
6th step is vertically supplied gas bypass duct 19 in compressed air connection compressed air on tributary interface 18 of supplying gas, in compressed air
Threeway 21 is connected in the upper port for bypass duct 19 of vertically supplying gas, and is vertically supplied gas in the compressed air bypass duct 19 and CO2 that vertically supplies gas
Rubber binding strap 22 is connected between bypass duct 6；
According to the demand of the diameter of air cooling tower and overhead welding, combination CO2 can arbitrarily be selected vertically to supply gas bypass duct 6 and pressure
Contracting air is vertically supplied gas bypass duct 19, can temporarily be closed to the tributary interface of supplying gas not used.
Claims (4)
1. a kind of synchronous air supply system of welding all steel indirect cool tower ring-type frame body, including welding full steel structure air cooling tower lower part cone
Bracket is provided with top link on the top of welding full steel structure air cooling tower lower cone body support frame, which is characterized in that complete in welding
The main gas supply annulus line (1) of closed CO2, closed CO2 are provided on the inside of the bottom end of steel construction air cooling tower lower cone body support frame
Main gas supply annulus line (1) is connected together by CO2 gas access tube (3) with liquid CO 2 gas source tank (2), is connect in CO2 gas
Enter and be provided with CO2 gas gas source control valve (4) on pipe (3), on the main gas supply annulus line (1) of closed CO2 equally spaced
It is provided with CO2 to supply gas tributary interface (5), supplies gas in CO2 and be connected with CO2 on tributary interface (5) and vertically supply gas bypass duct (6),
Vertically the supply gas lower end of bypass duct (6) CO2 is provided with CO2 and vertically supplies gas branch road control valve (7), vertically supplies gas bypass duct in CO2
(6) upper port is connected with CO2 and vertically supplies gas top four-way (8), vertically supplies gas the other three interface of top four-way (8) in CO2
On be respectively connected with CO2 weld seam protection gas gas chamber access tube (9), in the other end of CO2 weld seam protection gas gas chamber access tube (9)
CO2 weld seam protection gas gas chamber (10) is connected on mouthful, CO2 weld seam protection gas gas chamber (10) is mounted by gas chamber hook (13)
On the top link of the top setting of welding full steel structure air cooling tower lower cone body support frame, in CO2 weld seam protection gas gas chamber
(10) it is provided with CO2 weld seam protection gas delivery port (11) on, is provided with CO2 on CO2 weld seam protection gas delivery port (11)
Weld seam protection gas flow meter (12).
2. a kind of synchronous air supply system of welding all steel indirect cool tower ring-type frame body according to claim 1, which is characterized in that
It is provided with the main gas supply annulus line (14) of closed compressed air on the outside of the main gas supply annulus line (1) of closed CO2, closes
The main gas supply annulus line (14) of compressed air be connected to air compressor (15) by compressed air gas access tube (16)
Together, compressed air gas gas source control valve (17) is provided on compressed air gas access tube (16), in closed pressure
Compressed air has been equally spaced on the main gas supply annulus line (14) of contracting air to supply gas tributary interface (18), has been sent in compressed air
It is connected with compressed air on gas tributary interface (18) vertically to supply gas bypass duct (19), vertically supplies gas bypass duct (19) in compressed air
Lower end be provided with compressed air and vertically supply gas branch road control valve (20), vertically supply gas the upper end of bypass duct (19) in compressed air
Threeway (21) are connected on mouthful, bypass duct (19) is vertically supplied gas in compressed air and CO2 vertically supplies gas and is arranged between bypass duct (6)
There are rubber binding strap (22).
3. a kind of synchronous air supply system of welding all steel indirect cool tower ring-type frame body according to claim 2, which is characterized in that
The closed main gas supply annulus line (1) of CO2 and the main gas supply annulus line (14) of closed compressed air are by arc seamless steel
What tube coupling (23) and rubber fittings (24) splicing connection formed, rubber is bolted between two adjacent arc seamless steel tube couplings
Pipe fitting (24) is provided with tributary interface of supplying gas on arc seamless steel tube coupling (23).
4. a kind of welding all steel indirect cool tower ring-type frame body construction method of synchronous air supply system, comprising the following steps:
The first step, processing arc seamless steel tube coupling (23), process tributary interface of supplying gas on arc seamless steel tube coupling (23),
Screw thread is set on (23) two nozzle of arc seamless steel tube coupling, screw thread is set at the both ends of rubber fittings (24)；
Top link is arranged on the top of welding full steel structure air cooling tower lower cone body support frame in second step, in welding full steel structure
The Basolateral of air cooling tower lower cone body support frame is connect by arc seamless steel tube coupling (23) with the splicing of rubber fittings (24)
Form the main gas supply annulus line (1) of closed CO2；
Third step passes through CO2 gas access tube (3) for the main gas supply annulus line (1) of closed CO2 and liquid CO 2 gas source tank (2)
It is connected together；
4th step is vertically supplied gas bypass duct (6) in the CO2 connection CO2 on tributary interface (5) that supplies gas, and is vertically supplied gas bypass duct in CO2
(6) upper port connection CO2 vertically supplies gas top four-way (8), on the other three interface that CO2 vertically supplies gas top four-way (8)
It is all connected with CO2 weld seam protection gas gas chamber access tube (9), on the another port of CO2 weld seam protection gas gas chamber access tube (9)
It connects CO2 weld seam protection gas gas chamber (10), CO2 weld seam protection gas gas chamber (10) is articulated in weldering by gas chamber hook (13)
It connects on the top link of top setting of full steel structure air cooling tower lower cone body support frame, in CO2 weld seam protection gas delivery port
(11) CO2 weld seam protection gas flow meter (12) are set on；
5th step, closed CO2 it is main gas supply annulus line (1) outside, pass through arc seamless steel tube coupling (23) and rubber tube
The splicing connection of connector (24) forms the closed main gas supply annulus line (14) of compressed air；
6th step is vertically supplied gas bypass duct (19) in compressed air connection compressed air on tributary interface (18) of supplying gas, and is being compressed
Air vertically supply gas bypass duct (19) upper port on connect threeway (21), compressed air vertically supply gas bypass duct (19) with
CO2 vertically supplies gas and connects rubber binding strap (22) between bypass duct (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910642309.3A CN110270741B (en) | 2019-07-16 | 2019-07-16 | Synchronous air supply system for welding all-steel inter-cooling tower annular frame body and construction method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910642309.3A CN110270741B (en) | 2019-07-16 | 2019-07-16 | Synchronous air supply system for welding all-steel inter-cooling tower annular frame body and construction method thereof |
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| CN110270741A true CN110270741A (en) | 2019-09-24 |
| CN110270741B CN110270741B (en) | 2023-07-21 |
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|---|---|
| CN110270741B (en) | 2023-07-21 |
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