CN103920347B - Welding machine cooling system Multilayer filtering type automatic dust removing collection device and method - Google Patents

Welding machine cooling system Multilayer filtering type automatic dust removing collection device and method Download PDF

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CN103920347B
CN103920347B CN201310016087.7A CN201310016087A CN103920347B CN 103920347 B CN103920347 B CN 103920347B CN 201310016087 A CN201310016087 A CN 201310016087A CN 103920347 B CN103920347 B CN 103920347B
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dust removing
automatic dust
cooling system
collection
parts
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CN103920347A (en
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陈杰
钱高展
梁力平
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Baoshan Iron and Steel Co Ltd
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Baoshan Iron and Steel Co Ltd
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Abstract

The present invention is a kind of welding machine cooling system Multilayer filtering type automatic dust removing collection device and dedusting collection method, and dedusting collection device includes: frame-type multiple filtration parts, and its upper end is hinged and is connected to cooling system casing outside framework and its lower end is arranged to self opening;Automatic ash removing winding-up parts, are arranged on the lower end of layer filter element;Dust collection parts and automatic dust removing collection controller.Dedusting collection method includes: set filter element automatic dust removing collect control data according to ambient temperature, dust situation;Cooling system compressor pressure signal is flowed to automatic dust removing collection controller;When the pressure baffle of filter element reach setup pressure value open or timing arrive time, controller control automatic dust removing actuator filter element is performed automatic dust removing;Otherwise system alarm;And automatic dust removing signal is flowed to automatic dust removing collection controller, to control collecting dust-removing.The present invention can prevent the blocking of drainage screen and automatically be filtered net dedusting collection.

Description

Welding machine cooling system Multilayer filtering type automatic dust removing collection device and method
Technical field
The present invention relates to the apparatus and method of the automatic dust removing of the medium-and-large-sized wind circulating cooling system drainage screen of industrial undertaking's high oxidation powdered iron flour dust environment and collection, the automatic dust removing being particularly well-suited in the high oxidation powdered iron flour dust environment of cold-rolling pickling region the large-scale wind circulating cooling system drainage screen of welding machine and the apparatus and method of collection.
Background technology
Cold rolling sour rolling mill laser welder cooling system adopts large-scale air cooling compressor assembly, heat exchange is realized by circulating air cooling fin, drainage screen is installed to ensure that cooling system keeps good cleannes in pickling severe oxidation powdered iron flour dust environment in the outside of fin, to ensure the properly functioning of cooling system.The drainage screen of the large-scale wind circulating cooling system in this type of region all adopts monolayer fie screen chip architecture both at home and abroad at present, it is existing laser welder cooling system and drainage screen thereof shown in Fig. 1, as shown in the figure, cooling system 51 is positioned on platform 15 and is provided with cooling system outside framework 1, the circulating fan 2 at top and drainage screen 5 ', circulating fan is air draft upwards, in figure shown in direction 3.After this structure causes that the brown iron oxide varied in size enters fine filtering mesh sheet, Severe blockage sieve meshes, and size brown iron oxide forms layer upon layer of structure, cause reverse gas cleaning poor effect, so the general mode all adopting the cycle to change is safeguarded, when safeguarding, environment dust is very big, and attendant must wear anti-dust respirator, and the drainage screen changed cannot utilize and directly enter waste material bucket and do garbage disposal.Owing to wind circulating load is big, environment dust is severe, cooling system drainage screen very easily blocks, cause that compressor is susceptible to alarm for high voltage, and it is very poor that this drainage screen carries out ash-removal effect, can only often change drainage screen, improve working strength, and especially at this regional temperature of high temperature season more than 40 degrees Celsius, bad environments is heatstroke very easily, affects very big on the occupational health of attendant;And a large amount of drainage screens abandoned also result in secondary pollution only as garbage disposal, affect environmental quality.
Summary of the invention
It is an object of the invention to provide a kind of welding machine cooling system automatic dust removing collection device and dedusting collection method, the drainage screen automatic ash removing to cooling system can be realized, can effectively prevent the blocking of drainage screen under, dust rugged environment big at air circulation, and can automatically be filtered net dedusting and collect.
A kind of welding machine cooling system Multilayer filtering type automatic dust removing collection device is provided according to an aspect of the present invention, including: frame-type multiple filtration parts, being arranged on cooling system platform, the upper end of filter element is hinged through the hinge to cooling system casing outside framework and its lower end is arranged to self opening;Automatic ash removing winding-up parts, are arranged on the described lower end of frame-type multiple filtration parts;Dust collection parts and automatic dust removing collection controller.
Described frame-type multiple filtration parts, including: mutual spaced apart coarse filtration mesh sheet, middle filtering net plate and fine filtering mesh sheet, described three layer filtration mesh sheet combines comprehensive filtering net part.
It is preferred that the spacing distance between filtering net plate is 40mm-50mm described in two-layer.
The middle filtering net plate top of described screen system is provided with pressure baffle, and when dropping to setting value with central filtering net plate vent flow, described pressure baffle automatically opens up and signal is delivered to described automatic dust removing collection controller.
It is preferred that the setting value that described vent flow declines is 30%.
Described automatic ash removing winding-up parts are arranged on the lower section of filter element, and include: a transverse tube, and transverse tube is uniformly installed many jet pipes, and jet pipe is internal to be connected with transverse tube;Transverse tube rotation control unit, including the swinging mounting being arranged on transverse tube two ends, the transverse tube pivoted arm that is vertically mounted on one end of transverse tube;Transverse tube rotates and controls cylinder and blowing gas control valve, blowing gas is controlled valve and is connect with transverse tube rotation control cylinders by a connection trachea, blowing gas is controlled valve and is connected with transverse tube by another root connection trachea, the top of transverse tube pivoted arm rotates the working arm top controlling cylinder and is connected by rotating shaft is active with transverse tube, the base driving cylinder is fixed on the platform of cooling system body side, transverse tube is also equipped with one by top, pivoted arm side and enters compressed-air actuated pipe joint, connect compression air inlet by trachea and control electromagnetic valve, transverse tube rotates and controls cylinder by solenoid-driven control.
It is preferred that the spout of described jet pipe is duck-beak type flat.
It is preferred that described many jet pipes are 6-10 root, the best is 8.
Described automatic dust collecting part, including: the casing of dust collection parts, casing is installed on platform by perforate, box house is provided with an active clapboard, dividing plate is linked by the open and close of internal partition connecting rod with filter element, with when filter element is opened it also open, deashing time dust can enter automatic dust collection device, when the complete filter element of deashing is regained and closed, simultaneously close off;Telescopic cover, is arranged to unilateral inclined-plane collapsible, and lower end hinge is fixed on casing, and a rotating shaft is respectively installed in both sides, upper end, and rotating shaft controls cylinder actuating strut top with telescopic cover and is connected;And dust collection bag, it is arranged on the lower section of casing.
Described dust collection bag is configured to bagging, including at least two-layer;It is preferably two-layer to four layers bagging.
A kind of welding machine cooling system automatic dust removing collection method is provided according to a further aspect of the invention, adopt above-mentioned automatic dust removing collection device, by procedure auto-control to adapt to the requirement of automatic dust removing under different conditions, described dedusting collection device includes frame-type multiple filtration parts, being arranged on cooling system platform, the upper end of filter element is fixedly connected on cooling system casing outside framework by hinge and its lower end is arranged to self opening;Automatic dust removing actuator, including: it is arranged on the automatic ash removing winding-up parts on the described lower end of frame-type multiple filtration parts and dust collection parts and automatic dust removing collection controller;Described automatic dust removing collection method comprises the following steps:
Setting described frame-type multiple filtration parts drainage screen automatic dust removing collect control data, setup control parameter: jetting pressure is 3-7bar according to ambient temperature, dust situation, the time controls 1.5-3.5min and jet angle and cycle-index;
Cooling system compressor pressure signal is flowed to automatic dust removing collection controller;
When pressure baffle reach setup pressure value open or timing arrive time, then described automatic dust removing collection controller control described automatic dust removing actuator to described filter element perform automatic dust removing;Otherwise system alarm;And
Automatic dust removing signal is flowed to automatic dust removing collection controller, to control collecting dust-removing.
The step of described controller control drainage screen automatic dust removing actuator execution automatic dust removing includes filter element and opens, and the internal partition of dust collecting is backed down while opening by it;The telescopic cover of dust collecting is opened simultaneously, is covered drainage screen outer face.
Described automatic dust removing actuator performs the step of automatic dust removing and also includes: make described automatic ash removing winding-up component electromagnetic valve control conducting, the while that jet pipe ejection being compressed-air actuated, transverse tube rotates and controls, and makes the gas of ejection blow away the brown iron oxide dust of each layer filter net sheet outer surface from top to bottom more from top to bottom back and forth uniformly.
The step of described control collecting dust-removing includes terminating at deashing, drainage screen is made to close, driving the internal partition of dust collecting to be also switched off by connecting rod while its closedown, the telescopic cover of dust collecting simultaneously closes off retraction, and brown iron oxide dust accumulates in bottom collecting bag.
In one embodiment, start-up parameter is arranged to, and described middle filter pressure baffle starts force value and arranges: 0.5-1.2kg;Set the startup time time phase to startup: T >=35 DEG C, start 10 minutes interval times (min), 35 DEG C > T >=25 DEG C, start 30min interval time, 25 DEG C > T >=15 DEG C, start 2 hours interval times (hour), 15 DEG C > T, start 48 hours interval times;Set cooling system compressor start pressure, compressor high pressure >=23bar.
Described dedusting collection controller controls parameter and is arranged to: injection tube 36, at 0 ° of-82 ° of scale oscillation, wobble cycle number of times 1-5 time, jetting pressure 3-7bar, is jetted the time, 1.5-3.5min;
The invention has the beneficial effects as follows:
Compared with prior art, provide a kind of Multilayer filtering type automatic dust removing collection device and automatic dust removing collection method, its three-layer type filter screen hollow design, it is according to brown iron oxide dust granules feature, coarse filtration mesh sheet is by under the bulky grain brown iron oxide filter of 80%, middle filtering net plate filters 15% medium grain in remaining 20% brown iron oxide, last 5% iron oxide fine particle powder is after fine filtering mesh sheet filters, through filter screen be less than 0.5% superfine iron oxide powder, owing to superfine iron oxide powder dust is not easy to gather and settle, under the effect of system head evaporating fan, it is discharged cooling system, ensure that the cleannes of system;This three-layer type filter structure effective time of its guarantee vent flow under identical filter effect is 5 times of monolayer filter screen, what between filter screen, hollow design was easy to that the efficient deashing to every metafiltration net, coarse filtration mesh sheet and middle filtering net plate can use without replacing fine filtering mesh sheet always uses that to change the life-span be 8 times of same density monolayer filter screen;
The middle filtering net plate top of screen system arranges pressure baffle, it sets unlatching pressure according to vent flow, this device requires to adopt magnetic absorption principle to design and produce pressure baffle according to self vent flow, baffle plate magnetic adsorptive power then baffle plate is overcome to be backed down by pressure when filter net jam ventilation pressure rises, path between baffle plate and baffle plate frame is disconnected, namely the signal circuit of original Guan Bi is disconnected, and controls dust removal component and automatic dust collecting part for start-up connector.
Dust collection adopts shutter and telescopic cover, it can the feature of serious airborne dust according to reverse gas cleaning, the totally-enclosed operation of telescopic cover of deashing and dust collection is set, shutter and sieve pack realize the linkage of open and close by connecting rod, can collect brown iron oxide dust to greatest extent prevents flour dust overflow from affecting environment simultaneously, automatic dust removing collection technique achieves dedusting collecting effect to greatest extent, overcomes the deficiencies in the prior art.
Cooling system drainage screen adopts frame-type multiple filtration parts, upper end hinge is fixed and mode that lower end can automatically turn on, the deashing blowing part automatically controlled it is equipped with in lower end, pressure according to cooling system its interior baffle plate pressure and compressor realizes automatic ash removing function (or timing automatic deashing function), overcome air circulation big, the severe drainage screen of environment dust very easily blocks and causes that compressor is susceptible to alarm for high voltage and affects welding machine normal weld problem, and working strength that artificial deashing exists is big, the problem of the easy heatstroke of high temperature season, ensure that cooling system runs stable and reliable;Additionally drainage screen dedusting collecting function, brown iron oxide dedusting got off effectively is collected, and owing to the overwhelming majority of this region dust is all brown iron oxide dust, the brown iron oxide dust of collection can recycle, it is to avoid secondary pollution.
Accompanying drawing explanation
Fig. 1 is existing laser welder cooling system and drainage screen schematic diagram thereof;
Fig. 2 is the welding machine cooling system Multilayer filtering type automatic dust removing collection device schematic diagram of one embodiment of the invention;
Fig. 3 is the multiple filtration block diagram of the welding machine cooling system Multilayer filtering type automatic dust removing collection device of one embodiment of the invention;
Fig. 4 is the sieve pack automatically turning on closedown and the automatic ash removing winding-up block diagram of one embodiment of the invention;
Fig. 5 is automatic dust collection device and the dust collection bag schematic diagram of one embodiment of the invention;
Fig. 6 is cooling system and the automatic dust removing collection device side schematic view of one embodiment of the invention;And
Fig. 7 is the flow chart of the welding machine cooling system automatic dust removing collection method of one embodiment of the invention.
Detailed description of the invention
For the above-mentioned purpose of the present invention, feature and advantage can be become apparent, below in conjunction with accompanying drawing, the specific embodiment of the present invention is elaborated.Firstly the need of illustrating, the present invention is not limited to following detailed description of the invention, and those skilled in the art should from the spirit that following embodiment embodies to understand the present invention, and each technical term can do broadest understanding based on the spirit of the present invention.In figure, same or analogous component uses the same reference numerals to represent.
Fig. 2 is the welding machine cooling system Multilayer filtering type automatic dust removing collection device schematic diagram of one embodiment of the invention, and Fig. 6 is cooling system and the automatic dust removing collection device side schematic view of one embodiment of the invention;As shown in the figure, the welding machine cooling system Multilayer filtering type automatic dust removing collection device 200 of one embodiment of the invention, including: it is positioned at the frame-type multiple filtration parts 5 on cooling system platform 15, its upper end is connected on cooling system 100 casing outside framework 1 by hinge (not shown), and its lower end is arranged to self opening;Automatic ash removing winding-up parts 35, are automatic ash removing winding-up parts, are arranged on the lower end for frame-type multiple filtration parts 5, the bottom of outside framework 1;Dust collection parts 20 and automatic dust removing collection controller 50.
Will be detailed below the structure of the said frame formula multiple filtration parts 5 of welding machine cooling system Multilayer filtering type automatic dust removing collection device of this embodiment, automatic ash removing winding-up parts 35, automatic dust collecting part 20 and automatic dust removing collection controller 50 and interconnected relationship thereof.
As shown in Figure 3, its top of frame-type multiple filtration parts 5 is connected with cooling system 100 casing outside framework 1 by hinge, the two ends, bottom of outside framework 1 are respectively provided with connecting rod and rotating ball spindle unit 14, ball axle connects the actuating strut top of the open and close cylinder 13 driving cylinder and filter element 5 by connecting rod, the base of cylinder 13 is fixed on cooling system casing and outside framework 1 side, cylinder 13 is driven by electromagnetic valve (not shown) and controls, to automatically control open and close filter element 5.Frame-type multiple filtration parts 5, including: filter element outside framework 6;Mutual spaced apart coarse filtration mesh sheet 7, middle filtering net plate 8 and fine filtering mesh sheet 9, described three layer filtration mesh sheet combines comprehensive filtering net part, is arranged in outside framework 6.It is preferred that the spacing distance between filtering net plate is 40mm-50mm described in two-layer.The top of the middle filtering net plate 8 of screen system is provided with middle filter pressure baffle 10, and when dropping to setting value with central filtering net plate 8 vent flow, pressure baffle 10 automatically opens up and signal is delivered to automatic dust removing collection controller 50 (being explained below).It is preferred that the setting value that described vent flow declines is 30%.
Described automatic ash removing winding-up parts 35, as shown in figs. 4 and 6, are arranged on the lower section of filter element 5, and include: a transverse tube 36, and transverse tube 36 is uniformly installed many jet pipes 37, and jet pipe 37 is internal to be connected with transverse tube 36;Transverse tube rotation control unit, including the swinging mounting 38 being arranged on transverse tube 36 two ends, the transverse tube pivoted arm 39 that is vertically mounted on one end of transverse tube 36;Transverse tube rotates control cylinder and namely drives cylinder 40 and blowing gas to control valve 45, and blowing gas controls valve 45 and is connected with driving cylinder 40 by connecting trachea 42, and blowing gas controls valve 45 and is connected with transverse tube 36 by connecting trachea 46.The top of transverse tube pivoted arm 39 rotates the working arm top controlling cylinder 40 and is connected by rotating shaft (not shown) is active with transverse tube, drives the base of cylinder 40 to be fixed on the platform 15 of cooling system 100 body side.Transverse tube 36 is also equipped with one by top, pivoted arm 39 side and enters compressed-air actuated pipe joint (not shown), connects compression air inlet by trachea and controls electromagnetic valve, and cylinder 40 is by solenoid-driven control.In the present embodiment, the spout of jet pipe 37 is duck-beak type flat, and this structure is conducive to the transverse direction of Gas injection to concentrate, and certainly may be used without other suitable shape structure.It is preferred that the quantity of many jet pipes is 6-10 root, it is 8 in the present embodiment.
Automatic dust collecting part 20, as illustrated in Figures 5 and 6, including: the casing 21 of dust collection parts, casing 21 is installed on platform 15 by perforate 18, casing 21 is internally installed a movable internal partition 27, and internal partition 27 is linked by the open and close of internal partition connecting rod 28 with filter element 5, with when filter element 5 is opened it also open, deashing time dust can enter automatic dust collecting part 20, when the complete filter element 5 of deashing is regained and closed, simultaneously close off;Telescopic cover 22, it is arranged to unilateral inclined-plane collapsible, lower end hinge (not shown) is fixed on casing 21, and a rotating shaft (not shown) is respectively installed in both sides, upper end, and rotating shaft controls cylinder 23 and namely drives cylinder actuating strut top to be connected with telescopic cover 22;And dust collection bag 30, it is arranged on the lower section of casing 21.Dust collection bag 30 is configured to bagging, including two-layer or multilamellar;It is preferably two to four layers of bagging.
The welding machine cooling system automatic dust removing collection method of one embodiment of the invention is described below in conjunction with Fig. 7, the method adopts above-mentioned automatic dust removing collection device 200 by procedure auto-control to adapt to the requirement of automatic dust removing under different conditions, automatic dust removing collection device 200 includes frame-type multiple filtration parts 5, and its upper end is hinged through the hinge to cooling system 100 casing outside framework 1 and lower end is arranged to self opening;Automatic ash removing winding-up parts 35, are arranged on the lower end of frame-type multiple filtration parts 5;Dust collection parts 20 and automatic dust removing collection controller 50;Wherein, frame-type multiple filtration parts 5 include coarse filtration mesh sheet 7, middle filtering net plate 8 and fine filtering mesh sheet 9 three layer filtration mesh sheet, middle filter screen 8 top is provided with pressure baffle 10, pressure baffle 10 signal connects automatic dust removing collection controller 50, the two ends, bottom of outside framework 1 are respectively provided with connecting rod and rotating ball spindle unit 14, ball axle connects the actuating strut top of the open and close cylinder 13 driving cylinder and filter element 5 by connecting rod, cylinder is by solenoid-driven control, automatic ash removing winding-up parts 35 are arranged on the lower section of filter element 5, automatic ash removing winding-up parts 35 include a transverse tube and transverse tube rotation control unit;Described automatic dust removing collection method comprises the following steps:
Drainage screen automatic dust removing according to ambient temperature, dust situation setting filter element 5 is collected and is controlled data, and controlled quentity controlled variable is set as: jetting pressure is 3-7bar, and the time controls 1.5-3.5min and jet angle and cycle-index;
Cooling system compressor (not shown) pressure signal is flowed to the automatic collection controller of drainage screen;
Pressure baffle reach setup pressure value open or timing arrive time, then described controller control drainage screen automatic dust removing actuator perform automatic dust removing;Otherwise system alarm;
And automatic dust removing signal is flowed to automatic dust removing collection controller 50, to control collecting dust-removing.
Described controller 50 controls the step of filter element automatic dust removing actuator execution automatic dust removing and includes opening filter element, the internal partition 27 of dust collection parts 20 is backed down while opening by it, and the telescopic cover 22 of dust collection parts 20 is opened simultaneously, and the drainage screen outer face of filter element 5 is covered.
Described automatic dust removing actuator performs the step of automatic dust removing and also includes: make the electromagnetic valve of described automatic ash removing winding-up parts 35 control conducting, jet pipe 37 sprays compressed-air actuated while, control transverse tube 36 to rotate, make the gas of ejection blow away the brown iron oxide dust of each layer filter net sheet 7,8,9 outer surface from top to bottom more from top to bottom back and forth uniformly.
The step of described control collecting dust-removing includes terminating at deashing, filter element 5 is made to close, the internal partition 27 of dust collecting 20 is driven to be also switched off by connecting rod while its closedown, the telescopic cover 22 of dust collecting simultaneously closes off retraction, so that brown iron oxide dust accumulates in the bottom of dust collection bag 30.
In the present embodiment, as it is shown in fig. 7, automatic dust removing collection method comprises the following steps:
P1: set the start-up parameter of automatic dust removing collection device: described middle filter pressure baffle 10 starts force value and is set to: 0.5-1.2kg;Set the startup time time phase to startup: T >=35 DEG C, start 10 minutes interval times (min), 35 DEG C > T >=25 DEG C, start 30min interval time, 25 DEG C > T >=15 DEG C, start 2 hours interval times (hour), 15 DEG C > T, start 48 hours interval times;Set cooling system compressor start pressure, compressor high pressure >=23bar.
P2: above-mentioned start-up parameter is transported to automatic dust removing collection controller 50, puts in place to be opened by filter element 5, and internal partition 27 linkage of dust collecting 20 is backed down and put in place;
P3: make the telescopic cover 22 of dust collecting 20 open and put in place;
P4: controlled by automatic dust removing collection controller 50: injection tube 36 is at 0 ° of-82 ° of scale oscillation, wobble cycle number of times 1-5 time, jetting pressure 3-7bar, it is preferred to 5.5bar, and jet time 1.5-3.5min, it is preferred to 2min;
P5: make filter element 5 close and put in place, and the closedown that links of the internal partition 27 of dust collecting 20 puts in place;
P6: make the telescopic cover 22 of dust collecting 20 shrink and put in place;
P7: make middle filter pressure baffle 10 playback;
P8: signal is delivered to automatic dust removing collection controller 50, to control dedusting collection;
Proceed above steps.
In sum, middle filtering net plate 8 top of the screen system of laser welder cooling system automatic dust removing collection device arrange pressure baffle 10 reach setup pressure value open or timing arrive time, controller 50 controls cooling system filter element 5 and opens, and the internal partition 27 of dust collecting 20 is backed down while opening by it;The telescopic cover 22 of dust collecting 20 is opened simultaneously, is covered the drainage screen outer face of filter element 5;Automatic ash removing winding-up parts 35 are controlled conducting by electromagnetic valve, the while that jet pipe 37 spraying compressed-air actuated, control transverse tube 36 and rotate, make the gas of ejection blow away the brown iron oxide dust of each layer filter net sheet 7,8,9 outer surface from top to bottom more from top to bottom back and forth uniformly;Deashing terminates, and filter element 5 is closed, and drives the internal partition 27 of dust collecting 20 to be also switched off by connecting rod 28 while its closedown, and the telescopic cover 22 of dust collecting 20 simultaneously closes off retraction, and brown iron oxide dust accumulates in the bottom of dust collection bag 30.
Box house is provided with an active clapboard, this dividing plate is for preventing flour dust overflow when telescopic cover is regained, this dividing plate is linked by the open and close of a connecting rod with drainage screen, when drainage screen is opened it also open, deashing time dust can enter collection device, when the complete drainage screen of deashing is regained and is closed, it also simultaneously closes off, it is prevented that dust is excessive from collection device, it is to avoid secondary pollution;
Casing 21 be installed below a dust collection bag 30, this dust collection bag adopts the form of bagging, can reduce excessive toward bag mouth of dust in bag.
This device and Technical investment effectively improve the working environment of cold-rolling pickling region welding machine cooling system drainage screen upkeep operation, reduce the labor intensity of attendant simultaneously after using.
After adopting welding machine cooling system automatic dust removing collection device and the dedusting collection method of the present invention, first the maintenance of cooling system is reduced, reduce environmental pollution, improve the working environment of attendant, next improves the reliability of system ventilation flow, ensure that the cleannes of system, decrease system failure time, stabilize the running status of unit equipment.
Should be understood that the present invention can be made various changes or modifications by those skilled in the art after the above-mentioned teachings having read the present invention, these equivalent form of values fall within the application appended claims limited range equally.

Claims (14)

1. a welding machine cooling system Multilayer filtering type automatic dust removing collection device, including: frame-type multiple filtration parts, being arranged on cooling system platform, the upper end of filter element is hinged through the hinge to cooling system casing outside framework and its lower end is arranged to self opening;Automatic ash removing winding-up parts, are arranged on the described lower end of frame-type multiple filtration parts;Dust collection parts and automatic dust removing collection controller;
Described frame-type multiple filtration parts, including: mutual spaced apart coarse filtration mesh sheet, middle filtering net plate and fine filtering mesh sheet, described three layer filtration mesh sheet combines comprehensive filtering net part;The middle filtering net plate top of described comprehensive filtering net part is provided with pressure baffle, and when dropping to setting value with central filtering net plate vent flow, described pressure baffle automatically opens up and signal is delivered to described automatic dust removing collection controller.
2. welding machine cooling system Multilayer filtering type automatic dust removing collection device according to claim 1, it is characterised in that the setting value that described vent flow declines is 30%.
3. welding machine cooling system Multilayer filtering type automatic dust removing collection device according to claim 1, it is characterized in that, described automatic ash removing winding-up parts are arranged on the lower section of filter element, and include: a transverse tube, uniformly installing many jet pipes on transverse tube, jet pipe is internal to be connected with transverse tube;Transverse tube rotation control unit, including the swinging mounting being arranged on transverse tube two ends, the transverse tube pivoted arm that is vertically mounted on one end of transverse tube;Transverse tube rotates and controls cylinder and blowing gas control valve, blowing gas is controlled valve and is connect with transverse tube rotation control cylinders by a connection trachea, blowing gas is controlled valve and is connected with transverse tube by another root connection trachea, the top of transverse tube pivoted arm rotates the working arm top controlling cylinder and is connected by rotating shaft is active with transverse tube, the base driving cylinder is fixed on the platform of cooling system body side, transverse tube is also equipped with one by top, pivoted arm side and enters compressed-air actuated pipe joint, connect compression air inlet by trachea and control electromagnetic valve, transverse tube rotates and controls cylinder by solenoid-driven control.
4. welding machine cooling system Multilayer filtering type automatic dust removing collection device according to claim 3, it is characterised in that the spout of described jet pipe is duck-beak type flat.
5. welding machine cooling system Multilayer filtering type automatic dust removing collection device according to claim 3, it is characterised in that described many jet pipes are 6-10 root.
6. welding machine cooling system Multilayer filtering type automatic dust removing collection device according to claim 5, it is characterised in that described many jet pipes are 8.
7. welding machine cooling system Multilayer filtering type automatic dust removing collection device according to claim 1, it is characterized in that, described dust collection parts, including: the casing of dust collection parts, casing is installed on platform by perforate, box house is provided with an active clapboard, dividing plate is linked by the open and close of internal partition connecting rod with filter element, with when filter element is opened it also open, deashing time dust can enter dust collection parts, when the complete filter element of deashing is regained and closed, simultaneously close off;Telescopic cover, is arranged to unilateral inclined-plane collapsible, and lower end hinge is fixed on casing, and a rotating shaft is respectively installed in both sides, upper end, and rotating shaft controls cylinder actuating strut top with telescopic cover and is connected;And dust collection bag, it is arranged on the lower section of casing.
8. welding machine cooling system Multilayer filtering type automatic dust removing collection device according to claim 7, it is characterised in that described dust collection bag is configured to bagging, including at least two-layer.
9. welding machine cooling system Multilayer filtering type automatic dust removing collection device according to claim 8, it is characterised in that described bagging contains two-layer to four layers.
10. a welding machine cooling system automatic dust removing collection method, adopt the automatic dust removing collection device described in any one of claim 1 to 9, by procedure auto-control to adapt to the requirement of automatic dust removing under different conditions, described dedusting collection device includes frame-type multiple filtration parts, being arranged on cooling system platform, the upper end of filter element is fixedly connected on cooling system casing outside framework by hinge and its lower end is arranged to self opening;Automatic dust removing actuator, including: it is arranged on the automatic ash removing winding-up parts on the described lower end of frame-type multiple filtration parts;Dust collection parts and automatic dust removing collection controller;Described automatic dust removing collection method comprises the following steps:
Set described frame-type multiple filtration parts drainage screen automatic dust removing collect control data according to ambient temperature, dust situation;
Cooling system compressor pressure signal is flowed to automatic dust removing collection controller;
When the pressure baffle of filter element reaches when setup pressure value is opened or when arriving when timing, then described automatic dust removing collection controller controls described automatic dust removing actuator to described filter element execution automatic dust removing;Otherwise system alarm;And
Automatic dust removing signal is flowed to automatic dust removing collection controller, to control collecting dust-removing.
11. welding machine cooling system automatic dust removing collection method according to claim 10, it is characterized in that, described automatic dust removing collection controller controls the step of automatic dust removing actuator execution automatic dust removing and includes making filter element open, and the dividing plate of dust collection parts is backed down while opening by it;The telescopic cover of dust collection parts is opened simultaneously, is covered drainage screen outer face.
12. welding machine cooling system automatic dust removing collection method according to claim 11, it is characterized in that, described automatic dust removing actuator performs the step of automatic dust removing and also includes: make the electromagnetic valve of described automatic ash removing winding-up parts control conducting, the while that jet pipe ejection being compressed-air actuated, control transverse tube to rotate, so that the gas of ejection blows away the brown iron oxide dust of each layer filter net sheet outer surface from top to bottom more from top to bottom back and forth uniformly.
13. welding machine cooling system automatic dust removing collection method according to claim 10, it is characterized in that, the step of described control collecting dust-removing includes when deashing terminates, drainage screen is made to close, the dividing plate of dust collection parts is driven to be also switched off by connecting rod while its closedown, the telescopic cover of dust collection parts simultaneously closes off retraction, makes brown iron oxide dust accumulate in bottom collecting bag.
14. welding machine cooling system automatic dust removing collection method according to claim 10, it is characterized in that, described automatic dust removing is collected and is controlled data setting and be: jetting pressure is 3-7bar, and the time controls 1.5-3.5min, and winding-up angle 0 °-82 ° and cycle-index 1-5 time.
CN201310016087.7A 2013-01-16 2013-01-16 Welding machine cooling system Multilayer filtering type automatic dust removing collection device and method Active CN103920347B (en)

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CN106695075A (en) * 2016-12-19 2017-05-24 合肥迅达电器有限公司 Safety type argon arc welder
CN109173486B (en) * 2018-11-06 2021-05-28 浙江天壹重石建设科技有限公司 Dust filtering plate for concrete mixing plant
CN113058345A (en) * 2021-04-20 2021-07-02 安徽中电环保材料股份有限公司 Coke pushing dry quenching dust remover and anti-static fine fiber dust removal filter bag thereof

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