CN111215799A - Energy-saving steel structure welding equipment - Google Patents
Energy-saving steel structure welding equipment Download PDFInfo
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- CN111215799A CN111215799A CN202010056260.6A CN202010056260A CN111215799A CN 111215799 A CN111215799 A CN 111215799A CN 202010056260 A CN202010056260 A CN 202010056260A CN 111215799 A CN111215799 A CN 111215799A
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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
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- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
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- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
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- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/005—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by heat treatment
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/62—Carbon oxides
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/66—Ozone
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/75—Multi-step processes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/76—Gas phase processes, e.g. by using aerosols
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- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/50—Carbon oxides
- B01D2257/502—Carbon monoxide
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/50—Carbon oxides
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- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
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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
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/02—Iron or ferrous alloys
- B23K2103/04—Steel or steel alloys
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
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Abstract
The invention discloses energy-saving steel structure welding equipment, which belongs to the technical field of steel structure welding and comprises a slide rail, wherein the top of the slide rail is connected with a portal frame in a sliding manner, the top of the portal frame is connected with two positioning blocks in a sliding manner, and the tops of the positioning blocks are provided with cleaning devices for treating smoke dust and gas extracted by an exhaust pipe; the cleaning device comprises a positioning box fixedly arranged at the top of a positioning block, an exhaust fan is fixedly arranged at one end, far away from an exhaust pipe, of the positioning box, a heating component, an absorption component and a detection device are sequentially arranged in the positioning box, an exhaust pipe is fixedly arranged at one end, far away from the exhaust pipe, of the positioning box, a first electromagnetic valve is fixedly arranged on the exhaust pipe, a circulating pipe is fixedly arranged at the position, far away from the exhaust pipe, of the positioning box, one end, far away from the exhaust pipe, of the circulating pipe extends to one side, far away from the absorption component, of the positioning box, and a second electromagnetic valve is fixedly arranged on the circulating pipe.
Description
Technical Field
The invention relates to the technical field of steel structure welding, in particular to energy-saving steel structure welding equipment.
Background
The steel structure is a building structure form popular in the world at present, has the advantages of good earthquake resistance, large span, short construction period, simple foundation treatment, attractive appearance, economy, practicability and the like, and is widely applied to various public buildings such as airports, gymnasiums and the like.
In the actual use process of the electric welding machine, the electric welding machine is in an idle state most of time. Because in the in-service use process, the electric welding machine is always in a clearance state due to various requirements, in the operation process, a gecko needing to finish one job needs to be matched with a plurality of auxiliary jobs, and because the position of the electric welding machine power supply control switch is quite far away from the electric welding machine, the alternating current power supply of the electric welding machine cannot be cut off during the middle operation of welding, the idle time or the standby time of the electric welding machine can obviously exceed the operation time under quite a plurality of conditions. In addition, in most enterprises, the electric welding machine exists as an auxiliary maintenance device, so that the electric welding machine is basically in a standby state most of the time. From the above situation, the basic working condition of the electric welding machine is standby, and is also the main source of power consumption, so that the power factor of the welding machine is small, the energy waste is easily caused, the size and the weight of a transformer and a reactor of the inverter welding machine are greatly reduced, the corresponding power loss is reduced, and the energy-saving effect is achieved.
In the steel structure welding process, can produce a large amount of smoke and dust, can produce gas such as carbon monoxide and ozone simultaneously, carbon monoxide is toxic gas, and under the normal conditions, the gas that the welding produced directly discharges in the air, directly discharges not only for the air cause the pollution in the air, bring certain damage moreover for the organism. Therefore, cleaning the gas generated by welding is an urgent problem to be solved.
Disclosure of Invention
The invention aims to provide energy-saving steel structure welding equipment, wherein a cleaning device is connected to a welding head and used for treating smoke dust and harmful gas generated by welding and reducing harmful gas discharged into the atmosphere, and the welding head adopts an inversion welding head and can achieve the effect.
The technical purpose of the invention is realized by the following technical scheme:
an energy-saving steel structure welding device comprises a slide rail, wherein the top of the slide rail is connected with a portal frame in a sliding manner, the top of the portal frame is connected with two positioning blocks in a sliding manner, welding heads are fixedly arranged at the bottoms of the positioning blocks, the welding heads adopt welding heads of an inverter welding machine, an exhaust pipe is vertically arranged on the positioning blocks, an exhaust hood is fixedly arranged at the bottom of the exhaust pipe, and a cleaning device for treating smoke and gas extracted by the exhaust pipe is arranged at the top of the positioning blocks; cleaning device is including setting firmly the location box at the locating piece top, the exhaust column extends to in the location box, the one end of keeping away from the exhaust column in the location box has set firmly the air exhauster, heating element has set gradually in the location box, absorption subassembly and detection device, heating element is used for making ozonolysis to oxygen, make carbon monoxide convert the carbon dioxide under the condition of heating, the absorption subassembly is used for absorbing acid gas such as carbon dioxide, the one end that the exhaust column was kept away from to the location box has set firmly the exhaust pipe, solenoid valve one has set firmly on the exhaust pipe, the position that the location box is located the exhaust pipe has set firmly the circulating pipe, the one end that the exhaust column was kept away from to the circulating pipe extends to the one side that the location box is located heating element and.
By adopting the scheme, the exhaust fan works to enable smoke and gas generated by welding to enter the positioning box, the heating assembly can enable ozone to be heated and decomposed into oxygen, simultaneously, carbon monoxide and oxygen are enabled to react into carbon dioxide under the heating condition, the absorption assembly is used for absorbing acid gases such as carbon dioxide, the detection device is used for detecting the content of carbon monoxide in the air, when the detection assembly detects that the value of carbon monoxide in the positioning box is higher, the first control electromagnetic valve is closed, the second control limiting electromagnetic valve is disconnected, the air flow enters the positioning box through the circulating pipe to be heated again and absorbed again, the carbon monoxide is discharged outwards until the content value of carbon monoxide in the air flow in the positioning box reaches the standard, thereby reducing the discharge of toxic gas carbon monoxide into the air, the welding head adopts an inversion welding head, and the volume and the weight of a transformer and an electric reactor of the inversion welding, the corresponding power loss is greatly reduced, the effective power output can reach 82% -93%, and the effective power output of the traditional welding and cutting equipment is only 40% -60%, so that the power resource is seriously wasted, and the energy-saving effect is achieved.
An energy-saving steel structure welding device comprises a slide rail, wherein the top of the slide rail is connected with a portal frame in a sliding manner, the top of the portal frame is connected with two positioning blocks in a sliding manner, welding heads are fixedly arranged at the bottoms of the positioning blocks, an exhaust pipe is vertically arranged on each positioning block, an exhaust hood is fixedly arranged at the bottom of the exhaust pipe, and a cleaning device for treating smoke and gas extracted by the exhaust pipe is arranged at the top of each positioning block; cleaning device is including setting firmly the location box at the locating piece top, the exhaust column extends to in the location box, the one end of keeping away from the exhaust column in the location box has set firmly the air exhauster, heating element has set gradually in the location box, absorption subassembly and detection device, heating element is used for making ozonolysis to oxygen, make carbon monoxide convert the carbon dioxide under the condition of heating, the absorption subassembly is used for absorbing acid gas such as carbon dioxide, the one end that the exhaust column was kept away from to the location box has set firmly the exhaust pipe, solenoid valve one has set firmly on the exhaust pipe, the position that the location box is located the exhaust pipe has set firmly the circulating pipe, the one end that the exhaust column was kept away from to the circulating pipe extends to the one side that the location box is located heating element and.
Through adopting above-mentioned scheme, the air exhauster work, make the smoke and dust and the gas that the welding produced enter into the location box, heating element can make ozone thermal decomposition for oxygen, make carbon monoxide and oxygen react to carbon dioxide under the condition of heating simultaneously, absorption assembly is used for absorbing acid gas such as carbon dioxide, detection device is arranged in detecting the carbon monoxide content in the air, when detection assembly detects the interior carbon monoxide value of location box higher, control solenoid valve one closes, control restriction solenoid valve two disconnection, make the air current enter into the location box through the circulating pipe and heat once more and absorb once more, the carbon monoxide content value up to standard in the air current in the location box is outwards discharged, thereby reduce in the toxic gas carbon monoxide discharges into the air.
The invention is further configured to: the detection device includes: the detection circuit is used for detecting the carbon monoxide content value in the airflow heated by the heating component and absorbed by the absorption component and outputting the detected carbon monoxide content value; the comparison circuit is coupled with the detection circuit to receive the carbon monoxide content value output by the detection circuit, compares the detected carbon monoxide content value with a carbon monoxide content preset value, and outputs a high level signal when the oxygen content value is greater than the oxygen content preset value; the switch circuit is coupled with the comparison circuit and receives the high-level signal output by the comparison circuit to output an execution signal; and the execution circuit is coupled with the switching circuit and receives the execution signal output by the switching circuit to control the first switching valve to be closed and control the first switching valve to be opened.
By adopting the above scheme, detection circuitry detects the carbon monoxide content value in the air current after heating and absorbing the subassembly absorption in the location box in real time, and transmit the carbon monoxide content value that detects to comparison circuit, comparison circuit carbon monoxide content value and carbon monoxide content preset value carry out the comparison, when the carbon monoxide content value that detects is greater than carbon monoxide content preset value, it is higher to absorb carbon monoxide content value in the thick air current promptly, control switch valve one closes, control switch valve one opens simultaneously, make gas enter into the location box through the circulating pipe and reheat, acid gas in the gas is washing the hand, discharge again in the air until the compound standard of content of carbon monoxide.
The invention is further configured to: the heating assembly comprises a heating wire fixedly arranged in the positioning box, the heating wire is connected with a power supply, the temperature of the heating wire is not lower than sixty degrees, and a net box is fixedly arranged outside the heating wire in the positioning box.
Through adopting above-mentioned scheme, the net box can make the air current enter into the net box in, the air current that enters into in the net box can fully contact with the heating wire to ozone fully decomposes in making the air current, simultaneously, makes carbon monoxide and oxygen fully react to carbon dioxide under the condition of heating, reduces the carbon monoxide in the air current.
The invention is further configured to: two first baffles and two second baffles are fixedly arranged between the exhaust fan and the net box in the positioning box, the first baffles and the second baffles separate a cavity in the containing box, the absorption assembly comprises a containing box detachably connected in the cavity, the containing box is used for bearing a sodium hydroxide aqueous solution with the concentration of 30-50%, the first baffles are fixedly provided with an inlet pipe, the containing box is internally provided with a material guide pipe communicated with the inlet pipe, and the second baffles are fixedly provided with a discharge pipe.
By adopting the scheme, the airflow enters the containing box through the feeding pipe and the material guiding pipe, and the acid gases such as carbon dioxide in the airflow fully react with the sodium hydroxide solution, so that the acid gases in the airflow can be reduced.
The invention is further configured to: the lateral wall of location box rotates and is connected with a pin, holds the box and pegs graft in the cavity, rotates the pin and can will hold the box and be fixed in the location box to vertical state.
By adopting the above scheme, because sodium hydroxide and acid gas react a period of time after, to acid gas's absorptive capacity decline, need regularly change sodium hydroxide solution, the pin is fixed to holding the box, can be convenient for hold the dismantlement and the installation of box to be convenient for change the sodium hydroxide in holding the box.
The invention is further configured to: one side that holds the box and be close to the inlet pipe has set firmly the dead lever, and the passage rotates to be connected on the dead lever, threaded connection between the top of passage and the inlet pipe, and the bottom of passage extends to the bottom that holds the box, and a plurality of air guide holes have been seted up to the position that the passage is close to the bottom.
Through adopting above-mentioned scheme, threaded connection between passage and the inlet pipe, can be convenient for the dismantlement and the installation of passage and inlet pipe, do not influence the dismantlement and the installation that hold the box simultaneously, the gas guide hole has been seted up to the bottom of passage, the gas guide hole can make the even entering into of air current in the sodium hydroxide solution, not only increase the area of contact of air current and sodium hydroxide solution, make acid gas and sodium hydroxide solution fully react, can also prevent that the air current from entering into the sodium hydroxide solution from the tip of passage completely, make the sodium hydroxide solution seething in holding the box.
The invention is further configured to: a filter assembly is arranged between the exhaust pipe and the circulating pipe of the positioning box; the filter component comprises a filter screen fixedly arranged in a positioning box, and the bottom of the positioning box, which is positioned on the filter screen, is detachably connected with a material receiving box.
Through adopting above-mentioned scheme, owing to contain the particulate matter in inhaling the smoke and dust in the location box, the filter screen can keep off dust granule etc. down, and the dust granule that keeps off drops to in connecing the material box, can separate the particulate matter in the air current, reduces the particulate matter that the welding produced and enters into the air.
The invention is further configured to: the positioning box is located the position of material receiving box and has seted up the discharge gate, and the top that the positioning box is located the discharge gate rotates and is connected with the locating lever, rotates the locating lever to the vertical state of locating lever and can be fixed material receiving box and positioning box.
Through adopting above-mentioned scheme, rotating locating lever to the vertical state of locating lever, the locating lever can be fixed with material receiving box and locating box, can be convenient for material receiving box's dismantlement and fixed, is convenient for regularly clear up the particulate matter of butt joint material box.
In conclusion, the invention has the following beneficial effects:
1. by extending the exhaust pipe into the positioning box, an exhaust fan is fixedly arranged at one end, far away from the exhaust pipe, in the positioning box, a heating component, an absorption component and a detection device are sequentially arranged in the positioning box, the heating component is used for decomposing ozone into oxygen, carbon monoxide is converted into carbon dioxide under the heating condition, the absorption component is used for absorbing acid gases such as carbon dioxide, an exhaust pipe is fixedly arranged at one end, far away from the exhaust pipe, of the positioning box, a first electromagnetic valve is fixedly arranged on the exhaust pipe, a circulating pipe is fixedly arranged at the position, far away from the exhaust pipe, of the circulating pipe, the end, far away from the exhaust pipe, of the circulating pipe extends to one side, far away from the absorption component, of the positioning box, a second electromagnetic valve is fixedly arranged on the circulating pipe, the exhaust fan works, smoke and gas generated by welding enter the positioning box, the heating component can enable ozone to be, the absorption assembly is used for absorbing acid gases such as carbon dioxide, the detection device is used for detecting the content of carbon monoxide in the air, when the detection assembly detects that the carbon monoxide value in the positioning box is high, the first control electromagnetic valve is closed, the second control electromagnetic valve is disconnected, the air flow enters the positioning box through the circulating pipe to be reheated and absorbed again, and the air flow is discharged outwards after the carbon monoxide content value in the air flow in the positioning box reaches the standard, so that the toxic gas carbon monoxide is reduced from being discharged into the air;
2. the electric heating wire in the positioning box is connected with a power supply, the temperature of the electric heating wire is not lower than sixty ℃, a net box is fixedly arranged outside the electric heating wire in the positioning box, the net box can enable airflow to enter the net box, the airflow entering the net box can be fully contacted with the electric heating wire, so that ozone in the airflow is fully decomposed, and meanwhile, carbon monoxide and oxygen are fully reacted into carbon dioxide under the heating condition, so that the carbon monoxide in the airflow is reduced;
3. through the one side that is close to the inlet pipe holding the box has set firmly the dead lever, the passage rotates to be connected on the dead lever, threaded connection between the top of passage and the inlet pipe, the bottom of passage extends to the bottom that holds the box, a plurality of air guide holes have been seted up to the position that the passage is close to the bottom, threaded connection between passage and the inlet pipe, can be convenient for the dismantlement and the installation of passage and inlet pipe, do not influence the dismantlement and the installation that hold the box simultaneously, the air guide hole has been seted up to the bottom of passage, the air guide hole can make the even entering into sodium hydroxide solution of air current, not only increase the area of contact of air current and sodium hydroxide solution, make acid gas and sodium hydroxide solution fully react, can also prevent that the air current from entering into sodium hydroxide solution from the tip of passage completely, make sodium hydroxide solution turn over.
Drawings
FIG. 1 is an isometric view of an embodiment;
FIG. 2 is a sectional view of the embodiment;
FIG. 3 is a circuit diagram of a detection device;
FIG. 4 is a cross-sectional view of the cleaning apparatus;
FIG. 5 is an enlarged view of portion A of FIG. 4;
fig. 6 is an exploded view of the cleaning device.
In the figure, 1, a slide rail; 11. a gantry; 12. positioning blocks; 13. a welding head; 14. an exhaust pipe; 15. an air draft cover; 2. a cleaning device; 21. a positioning box; 211. a discharge port; 22. an exhaust fan; 23. a filter assembly; 231. filtering with a screen; 232. a material receiving box; 233. positioning a rod; 24. a heating assembly; 241. an electric heating wire; 242. a net box; 25. an absorbent assembly; 251. a first clapboard; 252. a second clapboard; 253. a cavity; 254. accommodating the box; 2541. fixing the rod; 255. a feed pipe; 256. a material guide pipe; 2561. an air vent; 257. a discharge pipe; 258. a stop lever; 26. an exhaust duct; 261. a first electromagnetic valve; 27. a circulation pipe; 271. a second electromagnetic valve; 28. a magazine; 3. a detection device; 31. a detection circuit; 311. a carbon monoxide sensor; 32. a comparison circuit; 33. a switching circuit; 34. an execution circuit.
Detailed Description
An energy-saving steel structure welding device is shown in figures 1 and 2 and comprises a sliding rail 1, wherein the top of the sliding rail 1 is connected with a portal frame 11 in a sliding mode, the top of the portal frame 11 is connected with two positioning blocks 12 in a sliding mode, a welding head 13 is fixedly arranged at the bottom of each positioning block 12, an exhaust pipe 14 is vertically arranged on each positioning block 12, an exhaust hood 15 is fixedly arranged at the bottom of each exhaust pipe 14, and a cleaning device 2 for treating smoke and gas extracted by each exhaust pipe 14 is arranged at the top of each positioning block 12; the welding head 13 welds the workpiece, the smoke generated by welding enters the cleaning device 2 through the air draft cover 15 and the air draft pipe 14, and the cleaning device 2 treats the particulate matters and gas in the smoke and reduces the harmful gas discharged into the air.
Referring to fig. 2 and 4, the cleaning device 2 includes a positioning box 21 fixed on the top of the positioning block 12, the exhaust pipe 14 extends into the positioning box 21, an exhaust fan 22 is fixed on one end of the positioning box 21 far away from the exhaust pipe 14, a heating assembly 24 is sequentially arranged in the positioning box 21, the absorption component 25 and the detection device 3, the heating component 24 is used for decomposing ozone into oxygen, so that carbon monoxide is converted into carbon dioxide under the heating condition, the absorption component 25 is used for absorbing acid gases such as carbon dioxide, the exhaust pipe 26 is fixedly arranged at one end of the positioning box 21 far away from the exhaust pipe 14, the first electromagnetic valve 261 is fixedly arranged on the exhaust pipe 26, the circulating pipe 27 is fixedly arranged at the position of the positioning box 21 on the exhaust pipe 26, one end of the circulating pipe 27 far away from the exhaust pipe 14 extends to one side of the positioning box 21 on the heating component 24 far away from the absorption component 25, and the second electromagnetic valve 271 is fixedly arranged on the circulating pipe 27; heating element 24 can make ozone be heated and decomposed into oxygen, make carbon monoxide and oxygen react to carbon dioxide under the condition of heating simultaneously, absorption element 25 is used for absorbing acid gas such as carbon dioxide, detection device 3 is arranged in detecting the carbon monoxide content in the air, when detection element detects the interior carbon monoxide value of location box 21 higher, control solenoid valve 261 is closed, control restriction solenoid valve two 271 disconnection, make the air current enter into location box 21 through circulating pipe 27 and heat again and absorb once more, outwards discharge after reaching standard until the carbon monoxide content value in the air current in location box 21, thereby reduce toxic gas carbon monoxide and discharge to the air in.
Referring to fig. 2 and 3, the detecting device 3 includes a detecting circuit 31, a comparing circuit 32, a switching circuit 33, and an executing circuit 34 of the detecting device 3. The detection circuit 31 comprises a carbon monoxide sensor 311 coupled to a power supply VCC, the carbon monoxide sensor 311 is arranged in the positioning box 21 and close to the connection part of the exhaust duct 26 and the circulating duct 27, the model of the carbon monoxide sensor 311 is GW-3000B-COII, and the carbon monoxide sensor 311 can detect the carbon monoxide content value in the air flow in the positioning box 21 in real time and output the detected carbon monoxide content value; the comparison circuit 32 comprises a comparator T1 with a negative input end coupled with the carbon monoxide sensor 311, the model of the comparator T1 is LM239, a preset carbon monoxide content value Vref is coupled with a positive input end of the comparator T1, the preset carbon monoxide content value is the maximum value of the carbon monoxide content allowed to be discharged into the air in the positioning box 21, a resistor R1 and a resistor R2 are coupled with a power supply VCC, and the preset value Vref is coupled between the resistor R1 and a connection point of the resistor R2; the switch circuit 33 includes a resistor R3 coupled to the output terminal of the comparator T1 and a transistor Q1, the transistor Q1 is NPN type, the base of the transistor Q1 is coupled to the resistor R5 at a position away from the comparator T1, the collector of the transistor Q1 is coupled to the power VCC, and the emitter is grounded; the execution circuit 34 comprises a first solenoid 261 coupled to the collector of the transistor Q1 and a solenoid coil of the relay KM1, a normally open contact of the relay KM1 is coupled to the solenoid coil of the relay KM1, and a second solenoid 271 is coupled between the normally open contact of the relay KM1 and a power source.
The carbon monoxide sensor 311 detects a carbon monoxide content value in the air flow in the positioning box 21, and transmits the detected carbon monoxide content value to the comparator T1, the comparator T1 compares the carbon monoxide content value with a carbon monoxide content preset value Vref, when the oxygen content value is larger than the oxygen content preset value Vref, a high level signal is output, the first solenoid valve 261 is controlled to be closed, the air flow cannot be discharged outwards through a static discharge pipe, meanwhile, the electromagnetic coil of the relay KM1 is controlled to be powered on, namely, the normally open contact KM1-1 of the relay KM1 is closed, and the second solenoid valve 272 is controlled to be opened twice, so that the air flow enters the positioning box 21 through the circulating pipe 27 to be heated and absorbed again.
Referring to fig. 4, the heating assembly 24 includes a heating wire 241 fixedly disposed in the positioning box 21, the heating wire 241 is connected to a power supply, the temperature of the heating wire 241 is not lower than sixty degrees, and a net box 242 is fixedly disposed outside the heating wire 241 in the positioning box 21; the mesh box 242 enables the air flow to enter the mesh box 242, and the air flow entering the mesh box 242 can be in full contact with the heating wire 241, so that ozone in the air flow is fully decomposed, and simultaneously, carbon monoxide and oxygen are fully reacted into carbon dioxide under the heating condition, and the carbon monoxide in the air flow is reduced.
Referring to fig. 4 and 5, two partition plates one 251 and two partition plates two 252 are fixedly arranged in the positioning box 21 between the exhaust fan 22 and the net box 242, the partition plates one 251 and two partition plates two 252 divide the accommodating box 254 into a cavity 253, the absorption assembly 25 comprises an accommodating box 254 detachably connected in the cavity 253, the accommodating box 254 is used for bearing a sodium hydroxide aqueous solution with the concentration of 30-50%, a feed pipe 255 is fixedly arranged on the partition plate one 251, a material guide pipe 256 communicated with the feed pipe 255 is arranged in the accommodating box 254, and a material discharge pipe 257 is fixedly arranged on the partition plates two 252; the gas flow enters the containing box 254 through the feeding pipe 255 and the material guiding pipe 256, and the acid gas such as carbon dioxide in the gas flow fully reacts with the sodium hydroxide solution, so that the acid gas in the gas flow can be reduced. A stop lever 258 is rotatably connected to the side wall of the positioning box 21, the accommodating box 254 is inserted into the cavity 253, and the accommodating box 254 can be fixed in the positioning box 21 by rotating the stop lever 258 to the vertical state; because sodium hydroxide and acid gas react for a period of time, the absorption capacity to acid gas descends, need regularly change the sodium hydroxide solution, the pin 258 is fixed to holding the box 254, can be convenient for hold the dismantlement and the installation of box 254 to be convenient for change holding the sodium hydroxide in the box 254. A fixing rod 2541 is fixedly arranged on one side, close to the feeding pipe 255, of the accommodating box 254, the material guide pipe 256 is rotatably connected to the fixing rod 2541, the top of the material guide pipe 256 is in threaded connection with the feeding pipe 255, the bottom of the material guide pipe 256 extends to the bottom of the accommodating box 254, and a plurality of air guide holes 2561 are formed in the position, close to the bottom, of the material guide pipe 256; threaded connection between passage 256 and the inlet pipe 255, can be convenient for the dismantlement and the installation of passage 256 and inlet pipe 255, do not influence simultaneously and hold the dismantlement and the installation of box 254, gas guide hole 2561 has been seted up to passage 256's bottom, gas guide hole 2561 can make the even entering into of air current in the sodium hydroxide solution, not only increase the area of contact of air current and sodium hydroxide solution, make acid gas and sodium hydroxide solution fully react, can also prevent that the air current from entering into the sodium hydroxide solution completely from passage 256's tip, make the sodium hydroxide solution tumble in holding box 254. The material box 28 is fixedly arranged at one end of the discharge pipe 257 away from the second partition plate 252, the exhaust pipe and the circulating pipe 27 are fixedly connected to the material box 28, and the carbon monoxide sensor 311 is fixedly arranged in the material box 28.
Referring to fig. 4 and 6, the localisation box 21 is provided with a filter assembly 23 between the extraction duct 14 and the circulation duct 27. The filtering component 23 comprises a filter screen 231 fixedly arranged in the positioning box 21, and the positioning box 21 is detachably connected with a material receiving box 232 at the bottom of the filter screen 231; because the smoke dust sucked into the positioning box 21 contains the particles, the filter screen 231 can block dust particles and the like, and the blocked dust particles fall into the material receiving box 232, so that the particles in the air flow can be separated, and the particles generated by welding are reduced to enter the air. The position that location box 21 is located material receiving box 232 has seted up discharge gate 211, and the top that location box 21 is located discharge gate 211 rotates and is connected with locating lever 233, rotates locating lever 233 to the vertical state of locating lever 233, and locating lever 233 can be fixed material receiving box 232 and location box 21, can be convenient for material receiving box 232's dismantlement and fixed, is convenient for regularly clear up the particulate matter that docks material receiving box 232.
The use principle is as follows: the exhaust fan 22 works to suck smoke dust and the like generated by welding of the welding head 13 into the exhaust pipe 14, the smoke dust enters the positioning box 21 through the exhaust pipe 14, the filter screen 231 blocks particulate matters in airflow, the airflow enters the net box 242, the heating wires 241 in the net box 242 dissipate heat, ozone is decomposed into oxygen, carbon monoxide and oxygen react to generate carbon dioxide, the airflow is introduced into the containing box 254, the sodium hydroxide solution in the containing box 254 can fully absorb the carbon dioxide and other acidic gases in the airflow, and the emission of the carbon dioxide and the acidic gases into the air is reduced; finally, the carbon monoxide sensor 311 detects carbon monoxide contained in the gas entering the material box 28, when the carbon monoxide value is higher than a preset value, the first electromagnetic valve 261 is controlled to be opened, the second electromagnetic valve 271 is controlled to be closed, the gas flow enters the positioning box 21 to be heated and absorbed again, and the gas flow is discharged into the air after the carbon monoxide content meets the standard.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (9)
1. The utility model provides an energy-conserving steel construction welding equipment, includes slide rail (1), the top of slide rail (1) is slided and is connected portal frame (11), the top of portal frame (11) is slided and is connected with two locating pieces (12), the bottom of locating piece (12) has set firmly bonding tool (13), bonding tool (13) adopt bonding tool (13) of contravariant welding machine, vertical exhaust column (14) that are provided with on locating piece (12), the bottom of exhaust column (14) has set firmly draught hood (15), its characterized in that:
the top of the positioning block (12) is provided with a cleaning device (2) for treating smoke dust and gas extracted by the exhaust pipe (14);
cleaning device (2) is including setting firmly location box (21) at locating piece (12) top, exhaust column (14) extends to in location box (21), the one end of keeping away from exhaust column (14) in location box (21) has set firmly air exhauster (22), heating element (24) has set gradually in location box (21), absorption subassembly (25) and detection device (3), heating element (24) are used for making ozone decompose into oxygen, make carbon monoxide convert into carbon dioxide under the condition of heating, absorption subassembly (25) are used for absorbing acid gas such as carbon dioxide, the one end of keeping away from exhaust column (14) in location box (21) has set firmly exhaust pipe (26), solenoid valve (261) has set firmly on exhaust pipe (26), the position that location box (21) are located exhaust pipe (26) has set firmly circulating pipe (27), the one end that circulating pipe (27) kept away from exhaust column (14) extends to the location box (21) is located heating element (24) and keeps away from one of absorption subassembly (25) And a second electromagnetic valve (271) is fixedly arranged on the circulating pipe (27).
2. The utility model provides an energy-conserving steel construction welding equipment, includes slide rail (1), and the top of slide rail (1) is slided and is connected portal frame (11), and the top of portal frame (11) is slided and is connected with two locating pieces (12), and the bottom of locating piece (12) has set firmly bonding tool (13), and vertical exhaust column (14) of being provided with on locating piece (12), the bottom of exhaust column (14) has set firmly draught hood (15), its characterized in that:
the top of the positioning block (12) is provided with a cleaning device (2) for treating smoke dust and gas extracted by the exhaust pipe (14);
cleaning device (2) is including setting firmly location box (21) at locating piece (12) top, exhaust column (14) extends to in location box (21), the one end of keeping away from exhaust column (14) in location box (21) has set firmly air exhauster (22), heating element (24) has set gradually in location box (21), absorption subassembly (25) and detection device (3), heating element (24) are used for making ozone decompose into oxygen, make carbon monoxide convert into carbon dioxide under the condition of heating, absorption subassembly (25) are used for absorbing acid gas such as carbon dioxide, the one end of keeping away from exhaust column (14) in location box (21) has set firmly exhaust pipe (26), solenoid valve (261) has set firmly on exhaust pipe (26), the position that location box (21) are located exhaust pipe (26) has set firmly circulating pipe (27), the one end that circulating pipe (27) kept away from exhaust column (14) extends to the location box (21) is located heating element (24) and keeps away from one of absorption subassembly (25) And a second electromagnetic valve (271) is fixedly arranged on the circulating pipe (27).
3. The energy-saving steel structure welding equipment of claim 2, characterized in that:
the detection device (3) comprises:
the detection circuit (31), the detection circuit (31) is used for detecting the carbon monoxide content value in the gas flow heated by the added component and absorbed by the absorption component (25) and outputting the detected carbon monoxide content value;
the comparison circuit (32), the comparison circuit (32) is coupled to the detection circuit (31) to receive the carbon monoxide content value outputted by the detection circuit (31), and compares the detected carbon monoxide content value with a carbon monoxide content preset value, when the oxygen content value is greater than the oxygen content preset value, a high level signal is outputted;
the switch circuit (33), the switch circuit (33) is coupled with the comparison circuit (32) and receives the high level signal output by the comparison circuit (32) to output the execution signal;
and the execution circuit (34), the execution circuit (34) is coupled with the switch circuit (33) and receives the execution signal output by the switch circuit (33) to control the first switch valve to close and control the first switch valve to open.
4. The energy-saving steel structure welding equipment of claim 2, characterized in that: the heating assembly (24) comprises a heating wire (241) fixedly arranged in the positioning box (21), the heating wire (241) is connected with a power supply, the temperature of the heating wire (241) is not lower than sixty degrees, and a net box (242) is fixedly arranged outside the heating wire (241) in the positioning box (21).
5. The energy-saving steel structure welding equipment of claim 4, characterized in that: two first baffles (251) and two second baffles (252) are fixedly arranged between an exhaust fan (22) and a net box (242) in the positioning box (21), the first baffles (251) and the second baffles (252) separate a cavity (253) in the accommodating box (254), the absorption assembly (25) comprises an accommodating box (254) detachably connected in the cavity (253), the accommodating box (254) is used for bearing a sodium hydroxide aqueous solution with the concentration of 30-50%, a feeding pipe (255) is fixedly arranged on the first baffles (251), a material guiding pipe (256) communicated with the feeding pipe (255) is arranged in the accommodating box (254), and a discharging pipe (257) is fixedly arranged on the second baffles (252).
6. The energy-saving steel structure welding equipment of claim 5, characterized in that: the side wall of the positioning box (21) is rotatably connected with a stop lever (258), the accommodating box (254) is inserted into the cavity (253), and the accommodating box (254) can be fixed in the positioning box (21) by rotating the stop lever (258) to a vertical state.
7. The energy-saving steel structure welding equipment of claim 5, characterized in that: one side of the accommodating box (254) close to the feeding pipe (255) is fixedly provided with a fixing rod (2541), the material guiding pipe (256) is rotatably connected onto the fixing rod (2541), the top of the material guiding pipe (256) is in threaded connection with the feeding pipe (255), the bottom of the material guiding pipe (256) extends to the bottom of the accommodating box (254), and a plurality of air guide holes (2561) are formed in the position, close to the bottom, of the material guiding pipe (256).
8. The energy-saving steel structure welding equipment of claim 2, characterized in that:
a filter assembly (23) is arranged between the exhaust pipe (14) and the circulating pipe (27) of the positioning box (21);
the filtering component (23) comprises a filter screen (231) fixedly arranged in the positioning box (21), and the bottom of the positioning box (21) positioned at the filter screen (231) is detachably connected with a material receiving box (28) (232).
9. The energy-saving steel structure welding equipment of claim 8, characterized in that: the position that location box (21) is located material receiving box (28) (232) has seted up discharge gate (211), and the top that location box (21) is located discharge gate (211) rotates and is connected with locating lever (233), rotates locating lever (233) to locating lever (233) vertical state can be fixed material receiving box (28) (232) and location box (21).
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| CN202010056260.6A CN111215799A (en) | 2020-01-18 | 2020-01-18 | Energy-saving steel structure welding equipment |
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| CN202010056260.6A CN111215799A (en) | 2020-01-18 | 2020-01-18 | Energy-saving steel structure welding equipment |
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| CN112936894A (en) * | 2021-01-29 | 2021-06-11 | 泉州鲤城明辉纸业工贸有限公司 | Waistline fitting pull-up pants device |
| CN112936882A (en) * | 2021-01-29 | 2021-06-11 | 福建省明辉机械制造有限公司 | Pull-up diaper hot welding mechanism |
| CN113523477A (en) * | 2021-09-16 | 2021-10-22 | 江苏长实基业电气科技有限公司 | Environment-friendly crest welder |
| CN114871641A (en) * | 2022-04-25 | 2022-08-09 | 河南瑞航农牧业机械设备有限公司 | Environment-friendly full-automatic net welding machine for chicken coop preparation |
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| CN112936882B (en) * | 2021-01-29 | 2023-03-24 | 福建省明辉机械制造有限公司 | Pull-up diaper hot welding mechanism |
| CN113523477A (en) * | 2021-09-16 | 2021-10-22 | 江苏长实基业电气科技有限公司 | Environment-friendly crest welder |
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| CN114871641A (en) * | 2022-04-25 | 2022-08-09 | 河南瑞航农牧业机械设备有限公司 | Environment-friendly full-automatic net welding machine for chicken coop preparation |
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Application publication date: 20200602 |