CN105509218A - Air purification and ventilation device for cab of metallurgic casting crane - Google Patents
Air purification and ventilation device for cab of metallurgic casting crane Download PDFInfo
- Publication number
- CN105509218A CN105509218A CN201510957052.2A CN201510957052A CN105509218A CN 105509218 A CN105509218 A CN 105509218A CN 201510957052 A CN201510957052 A CN 201510957052A CN 105509218 A CN105509218 A CN 105509218A
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- China
- Prior art keywords
- air
- purification
- chemical oxidation
- iron sand
- oxidation purifier
- Prior art date
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- Granted
Links
- 238000009423 ventilation Methods 0.000 title claims abstract description 41
- 238000005266 casting Methods 0.000 title claims abstract description 23
- 238000004887 air purification Methods 0.000 title abstract 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 116
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 90
- 230000003647 oxidation Effects 0.000 claims abstract description 88
- 239000000126 substance Substances 0.000 claims abstract description 79
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims abstract description 66
- 229910052742 iron Inorganic materials 0.000 claims abstract description 58
- 238000000746 purification Methods 0.000 claims abstract description 55
- 229920001971 elastomer Polymers 0.000 claims abstract description 49
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 38
- 238000003860 storage Methods 0.000 claims abstract description 21
- 239000004576 sand Substances 0.000 claims description 56
- 238000009298 carbon filtering Methods 0.000 claims description 30
- 229920006306 polyurethane fiber Polymers 0.000 claims description 21
- 238000001179 sorption measurement Methods 0.000 claims description 21
- 239000002245 particle Substances 0.000 claims description 20
- 238000012856 packing Methods 0.000 claims description 16
- 239000008187 granular material Substances 0.000 claims description 14
- 238000004891 communication Methods 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims description 5
- 229910001882 dioxygen Inorganic materials 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 229910052799 carbon Inorganic materials 0.000 claims description 4
- 238000004378 air conditioning Methods 0.000 claims description 3
- 238000009826 distribution Methods 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 239000003570 air Substances 0.000 abstract description 164
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 8
- 239000001301 oxygen Substances 0.000 abstract description 8
- 229910052760 oxygen Inorganic materials 0.000 abstract description 8
- 239000000428 dust Substances 0.000 abstract description 6
- 239000012080 ambient air Substances 0.000 abstract description 4
- 238000001914 filtration Methods 0.000 abstract 2
- 238000009287 sand filtration Methods 0.000 abstract 2
- 239000007789 gas Substances 0.000 description 8
- 239000010865 sewage Substances 0.000 description 7
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 6
- 230000000505 pernicious effect Effects 0.000 description 5
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 3
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 239000003344 environmental pollutant Substances 0.000 description 3
- 230000010354 integration Effects 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- POINRRIHMHRHMU-UHFFFAOYSA-N O=[N].OO Chemical compound O=[N].OO POINRRIHMHRHMU-UHFFFAOYSA-N 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 230000036542 oxidative stress Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/007—Ventilation with forced flow
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/52—Details of compartments for driving engines or motors or of operator's stands or cabins
- B66C13/54—Operator's stands or cabins
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/28—Arrangement or mounting of filters
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
- Filtering Materials (AREA)
Abstract
The invention provides an air purification and ventilation device for a cab of a metallurgic casting crane. The air purification and ventilation device comprises an air blower, an iron sand filtration device, a chemical oxidation purification device, an activated carbon filtration device and a rubber air storage device. According to the air purification and ventilation device, ambient air outside the cab of the metallurgic casting crane is fed into the air purification and ventilation device by the air blower, the air passes through the iron sand filtration device from a ventilation pipeline to be subjected to dust removal, hydrogen peroxide oxidation is conducted on the air by the chemical oxidation purification device, the air is purified by the activated carbon filtration device, and then the air is fed into the rubber air storage device. The purified air stored in the rubber air storage tank is controllably fed into the cab. The outside air is purified by the air purification and ventilation device, and the oxygen content is slightly increased. Normal work of electrical equipment in the cab and the physical health of an operator are not affected any more.
Description
Technical field
The present invention relates to a kind of purification of air ventilation unit, particularly a kind of metallurgical casting crane cabin ventilation unit.
Background technology
The industrial furnace of metallurgy industry and the flue gas grit particle diameter of apparatus for pouring little, dust content is large, mainly containing harmful gases such as carbon monoxide, carbon dioxide, nitrogen oxide and sulfur dioxide.Metallurgical casting crane is positioned at above industrial furnace or cast place, although have ventilating dust-arrester in workshop, the air ambient of drivers' cab outside is still very poor.
The drivers' cab of existing common metallurgical casting crane can be common metallurgical casting crane cabin schematic diagram see Fig. 1, Fig. 1.As shown in Figure 1, drivers' cab roughly comprises inclined ladder D1, drivers' cab main body D2, platform D3, railing D4.The air-conditioner outdoor unit of drivers' cab is generally arranged on outside, drivers' cab roof, and under the effect of air-conditioning, indoor fan inspiration room air, carries out temperature adjustment, then the air regulating temperature is blown back indoor.
Because drivers' cab can not be completely airtight, outdoor flue gas enters indoor unavoidably.Have the corrosive gas such as dust and other sulfur dioxide at the air of indoor apparatus of air conditioner inspiration and blowout, affect the normal work of electrical equipment and the healthy of operating personnel.
Summary of the invention
For solving the problem, the invention provides a kind of metallurgical casting crane cabin purification of air ventilation unit, it comprises:
One air blast, an iron sand filter, a chemical oxidation purifier, an active carbon filtering device and a rubber air accumulator;
The surrounding air of metallurgical casting hoister outdoor is sent into described iron sand filter by air blast and is carried out dedusting by this device, after dedusting, carry out hydrogen peroxide oxidation through described chemical oxidation purifier, then complete after purification through described active carbon filtering device and pass into described rubber air accumulator; Controlled the passing in drivers' cab of air after the purification stored in described rubber air accumulator.
In one embodiment of the invention, be provided with air inlet bottom described iron sand filter, connect intake stack, top is provided with air outlet, connects described chemical oxidation purifier by pipeline; Described iron sand filter is provided with a set of electromagnet apparatus, and bottom is provided with a supporting parts, this supporting parts position higher than the air inlet of described iron sand filter, for support iron sand particle; Described iron sand distribution of particles forms an iron sand layer on described supporting parts; Described purification of air ventilation unit also comprises the electrical control gear of the described air blast of a connection and described electromagnet apparatus.
In one embodiment of the invention, the supporting parts be arranged at described in bottom iron sand filter can be grid, filter screen or the dividing plate having equally distributed hole; And the screen-aperture of the grid of grid, filter screen is less than the average grain diameter of iron sand particle, the aperture of described separator perforation increases from dividing plate upper surface gradually to dividing plate lower surface, the aperture of apertured top surface is less than iron sand grain diameter.
In one embodiment of the invention, on the top that described electromagnet apparatus is arranged at described iron sand filter or sidewall, the top of described supporting parts is positioned at.
In one embodiment of the invention, described chemical oxidation purifier bottom arranges air inlet, is connected the air outlet of described iron sand filter by pipeline; Top sets out air port, connects described active carbon filtering device by pipeline; Described chemical oxidation purifier outside is provided with a dioxygen water storage tank, hydrogen peroxide storage tank is by chemical oxidation purifier described in pipeline communication, the pipe outlet leading to described chemical oxidation purifier is positioned at the top of described chemical oxidation purifier, and pipeline is provided with pinched valve near described hydrogen peroxide storage tank one end; The tube bank of high moisture adsorption and releasing polyurethane fiber capillary is provided with in described pipeline, this pipeline is filled in described high moisture adsorption and releasing polyurethane fiber capillary tube bank, extend to described chemical oxidation purifier by described hydrogen peroxide storage tank, and in described chemical oxidation purifier, form the netted structured packing layer of a layer stereo.
In one embodiment of the invention, the air inlet of described chemical oxidation purifier is communicated with a spiral case, spiral case is sheathed on described chemical oxidation purifier outer wall, is provided with the network structure packing layer that the tube bank of high moisture adsorption and releasing polyurethane fiber capillary is formed inside volute outer wall; Spiral case cavity inner wall at end arranges opening, is communicated with described chemical oxidation purifier inner space; Described chemical oxidation purifier top is provided with the central tube that extends to device inside, this central tube bottom extends in the middle part of described chemical oxidation purifier on the lower close to the position of the netted structured packing layer of layer stereo of described high moisture adsorption and releasing polyurethane fiber capillary tube bank formation, top extends to described chemical oxidation purifier top outer, by active carbon filtering device described in pipeline communication.
In one embodiment of the invention, bottom described active carbon filtering device, be provided with air inlet, connect described chemical oxidation purifier air outlet by pipeline; Top is provided with air outlet, connects described rubber air accumulator by pipeline; Be provided with a supporting parts bottom described active carbon filtering device, this supporting parts position higher than the air inlet of described active carbon filtering device, for support activated carbon granule; Described activated carbon granule is distributed on described supporting parts and forms an active carbon layer; Described dividing plate has equally distributed hole, dividing plate has equally distributed hole, the aperture of hole increases from dividing plate upper surface gradually to dividing plate lower surface, and the aperture of apertured top surface is less than the average grain diameter of activated carbon granule.
In one embodiment of the invention, the dividing plate be arranged at described in bottom active carbon filtering device is grid filter screen or the dividing plate having equally distributed hole; And the sieve aperture of the grid of grid, filter screen is less than the average grain diameter of activated carbon granule, the aperture of described separator perforation increases from dividing plate upper surface gradually to dividing plate lower surface, and the aperture of apertured top surface is less than the particle diameter of activated carbon granule.
In one embodiment of the invention, described rubber air accumulator comprises a hard shell, and housing bottom side is provided with air inlet, and opposite side is provided with air outlet, connects wind pipe; One rubber bellows, upper and lower closed at both ends, top is provided with a balance weight body; Described housing is sheathed on rubber bellows outside; Described wind pipe is provided with pressure-regulating valve.
In one embodiment of the invention, purification of air ventilation unit of the present invention is arranged at an outdoor and is provided with one for regulating the metallurgical casting crane cabin of the aircondition of indoor air temperature outdoor, wherein, led to the air intake of described aircondition by the air after the purification of described purification of air ventilation unit, after air-conditioning temperature adjustment, pass into described metallurgical casting crane cabin again to make the air after purification.
The design that purification of air ventilation unit of the present invention is filtered by the dedusting of iron sand filter, chemical oxidation purifier hydrogen peroxide oxidation, active carbon filtering device, the outdoor air of metallurgical casting crane cabin is purified, remove pollutant, pass in drivers' cab after increasing oxygen content, effectively can improve the air quality in drivers' cab; Be communicated with the present invention of aircondition, will the object of purification of air, temperature control integration be reached, and simplify the pipe design of drivers' cab external device (ED), saved construction cost.
Accompanying drawing explanation
Fig. 1 is common metallurgical casting crane cabin schematic diagram
Fig. 2 is the schematic diagram of the purification of air ventilation unit of one embodiment of the invention
Fig. 3 is the vertical view cutaway drawing of the spiral case of the purification of air ventilation unit of one embodiment of the invention
Wherein, description of reference numerals is as follows:
D1 inclined ladder
D2 drivers' cab main body
D3 platform
D4 railing
1 air blast
2 iron sand filters
21 air inlets
22 air outlets
23 supporting parts
24 electromagnet apparatus
3 chemical oxidation purifiers
31 air inlets
32 air outlets
33 central tubes
34 hydrogen peroxide storage tanks
35 spiral cases
4 active carbon filtering devices
41 air inlets
42 air outlets
43 supporting parts
5 rubber air accumulators
51 air inlets
52 air outlets
53 rubber bellows
54 housings
P electrical control gear
V pressure-regulating valve
V' blowoff valve
Detailed description of the invention
Below by way of a specific embodiment of the present invention, technical scheme provided by the present invention is described in detail, for those skilled in the art, clearer and more definite understanding is carried out to the present invention.It should be noted that, the technical scheme that following examples provide and Figure of description only for the present invention will be described, and are not used to be limited the present invention.
Specifically refer to Fig. 2, Fig. 2 is the schematic diagram of the purification of air ventilation unit of the embodiment of the present invention.As shown in the figure, metallurgical casting crane cabin purification of air ventilation unit of the present invention comprises: air blast 1, iron sand filter 2, chemical oxidation purifier 3, active carbon filtering device 4 and a rubber air accumulator 5.By being with the pipeline of spigot-and-socket joint to be interconnected between each device, each device is equipped with air inlet (21,31,41,51) and air outlet (22,32,42,52).Air inlet adopts bullet joint to be connected with air outlet with the connected mode of pipeline in the present embodiment, and pipe joint is interior centrum form, and the joint of device uptake is Outer Taper form, and both bevel angles are identical, and joint inside is provided with rubber o-ring.
The purification of air ventilation unit of the embodiment of the present invention, by air blast 1, the surrounding air of metallurgical casting hoister outdoor is sent into iron sand filter 2 by intake stack and carry out dedusting, air after dedusting carries out hydrogen peroxide oxidation through chemical oxidation purifier 3, complete after purification through active carbon filtering device 4 more afterwards and pass into rubber air accumulator 5, controlled the passing in drivers' cab of air after the purification stored in rubber air accumulator 5.
Concrete, be provided with air inlet 21 bottom iron sand filter 2, connect intake stack, top is provided with air outlet 22, connects chemical oxidation purifier 3 by pipeline.Iron sand filter 2 top is provided with electromagnet apparatus 24, and bottom is provided with a supporting parts 23, and supporting parts 23 position is a little more than air inlet 21, and supporting parts 23 is for support iron sand particle.Iron sand distribution of particles forms an iron sand layer on dividing plate.In the present embodiment, supporting parts 23 is a dividing plate having equally distributed hole, and the aperture of hole increases from dividing plate upper surface gradually to dividing plate lower surface, and the aperture of apertured top surface is less than the particle diameter of iron sand particle.
Adopt the design of the dividing plate with equally distributed hole in the present embodiment, but the present invention is not as limit.In some other embodiment of the present invention, for the supporting parts 23 of support iron sand particle, can be grid or filter screen, wherein the grid of grid and the screen-aperture of filter screen be less than the average grain diameter of iron sand particle.
The ambient air outside that air blast 1 is blown into from the air inlet 21 bottom iron sand filter 2 upwards spreads naturally, dust entrained in air, being tackled by supporting parts 23 and iron sand particle by overwhelming majority when supporting parts 23 and iron sand, is flowed to chemical oxidation purifier 3 by the air of dedusting by the air outlet at iron sand filter 2 top.
Iron sand filter 2 top is provided with a set of electromagnet apparatus 24.In the purification of air ventilation unit of the present embodiment, also comprise the electrical control gear P of a connection air blast 1 and electromagnet apparatus 24.Be responsible for when electrical control gear P is flat powering to air blast 1, when air blast 1 does not work, electrical control gear P can be energized to electromagnet apparatus 24, produces magnetic field, suspends to a certain extent leave supporting parts 23 to make iron sand.Electrical control gear P, by causing changes of magnetic field to the size of current change of calutron 24, causes iron sand " shake " above supporting parts 23, makes dust depart from iron sand and falls on supporting parts 23 or drop down onto the below of supporting parts 23.Like this, the large portion of dust of Long-Time Service amasss below supporting parts 23, only needs, below cleaning supporting parts 23 and supporting parts 23, to save operation time clean.
In some other embodiment of the present invention, electromagnet apparatus 24 can be arranged at the sidewall of iron sand filter 21, be not limited to the top being arranged on iron sand filter 24, only need the top ensureing to be positioned at iron sand layer, energising magnetic field can make iron sand suspend to a certain extent and leave supporting parts 23.
Above-mentioned " electromagnet apparatus 24 is positioned at the top of iron sand layer " refers to, the lowest part of electromagnet apparatus 24 is higher than iron sand layer.
Chemical oxidation purifier 3 air inlet 31 of the present invention is arranged at device bottom, is connected the air outlet 22 of iron sand filter 2 by pipeline; Chemical oxidation purifier 3 top sets out air port 32, connects active carbon filtering device 4 by pipeline.
Chemical oxidation purifier 3 outside of the present invention is provided with a dioxygen water storage tank 34, and hydrogen peroxide storage tank 34 is by pipeline communication chemical oxidation purifier 3.The pipe outlet leading to chemical oxidation purifier 3 is positioned at the top of chemical oxidation purifier 3.Top refers to herein, is less than chemical oxidation purifier top to 1/3 of distance from bottom apart from chemical oxidation purifier 3 distance from top.This pipeline is provided with pinched valve near hydrogen peroxide storage tank 34 one end, the tube bank of high moisture adsorption and releasing polyurethane fiber capillary is provided with in pipeline, this pipeline is filled in these high moisture adsorption and releasing polyurethane fiber capillary tube banks, extend to described chemical oxidation purifier 3 by hydrogen peroxide storage tank 34, and on chemical oxidation purifier 3 inwall, form a layer stereo netted structured packing layer (not shown).In addition, bottom chemical oxidation purifier 3, be provided with sewage draining exit, by pipeline communication blow-off line, the pipeline of connection blow-off line be provided with blowoff valve V'.
Air through iron sand filter 2 dedusting flows into chemical oxidation purifier 3 by pipeline, upwards diverging flow in chemical oxidation purifier 3, restrains the netted structured packing layer of the layer stereo formed with aforementioned high moisture adsorption and releasing polyurethane fiber capillary and fully contacts.Because these high moisture adsorption and releasing polyurethane fiber capillaries are restrained because of the capillarity of capillary generation with a large amount of from the hydrogen peroxide in hydrogen peroxide storage tank 34, oxidized removing after the contact such as the sulfur dioxide in the air of inflow device, nitrogen oxide hydrogen peroxide.Meanwhile, the hydrogen peroxide in hydrogen peroxide slowly decomposition can make the oxygen content in air have a small amount of lifting.In addition, very dry due to the air themperature passed into higher (about 40 DEG C ~ 60 DEG C), moisture wherein can be made after contacting high moisture adsorption and releasing polyurethane fiber capillary to accelerate evaporation to a certain extent.Hydrogen peroxide just constantly can be supplemented to from hydrogen peroxide storage tank 34 due to capillarity on the netted structured packing layer of layer stereo that the high moisture adsorption and releasing polyurethane fiber capillary tube bank in chemical oxidation purifier 3 formed, and makes the dioxygen water yield in chemical oxidation purifier 3 (on the netted structured packing layer of layer stereo that high moisture adsorption and releasing polyurethane fiber capillary tube bank is formed with the dioxygen water yield) maintain certain level.In addition, in the present embodiment, the pipeline being communicated with hydrogen peroxide storage tank 34 and chemical oxidation purifier 3 is being provided with pinched valve near hydrogen peroxide storage tank 34 one end, the flow of controlled producing hydrogen peroxide is between 0 ~ maximum, it is made to enter chemical oxidation purifier 3 with suitable speed by high moisture adsorption and releasing polyurethane fiber capillary tube bank, unlikely flow is crossed a large amount of liquid of ambassador and is poured chemical oxidation purifier 3, or flow is too small to make in the layer stereo netted structured packing layer on chemical oxidation purifier 3 inwall that content is very few affects oxidation reaction.
In the present embodiment, the air inlet 31 of chemical oxidation purifier 3 is communicated with a spiral case 35.It is the vertical view cutaway drawing (not showing the annexation of spiral case 35 and air inlet 31 in figure) of the spiral case 35 of the purification of air ventilation unit of embodiment see Fig. 3, Fig. 3.As shown in the figure, spiral case 35 is sheathed on the outer wall of chemical oxidation purifier 3, the inside outer wall of spiral case 35 is provided with the network structure packing layer of high moisture adsorption and releasing polyurethane fiber capillary tube bank formation, the cavity inner wall at end of spiral case 35 arranges opening (not shown), is communicated with the inner space of chemical oxidation purifier 3.So, pass into the air of chemical oxidation purifier 3, due to the water conservancy diversion of spiral case 35, rise in the shape of a spiral after entering chemical oxidation purifier 3, the netted structured packing layer of the layer stereo formed can be restrained with the high moisture adsorption and releasing polyurethane fiber capillary on chemical oxidation purifier 3 inwall fully to contact, the hydrogen peroxide of abundant contact on it, makes pernicious gas molecule be oxidized more fully.The inside outer wall of spiral case 35 is provided with the network structure packing layer that the tube bank of high moisture adsorption and releasing polyurethane fiber capillary is formed equally simultaneously, also can increase the contact passing into air and hydrogen peroxide and pernicious gas molecule is oxidized more fully.
In the present embodiment, chemical oxidation purifier 3 top is also provided with the central tube 33 that extends to device inside, this central tube 33 bottom extends in the middle part of described chemical oxidation purifier 3 on the lower close to the position of the netted structured packing layer of layer stereo of described high moisture adsorption and releasing polyurethane fiber capillary tube bank formation, top extends to chemical oxidation purifier 3 top outer, central tube 33 outlet is the air outlet 32 of chemical oxidation purifier 3, and air outlet 32 is by pipeline communication active carbon filtering device 4.Due to this design, the air major part of chemical oxidation purifier 3 inside can not directly flow out, but natural diffuseness flows to device top, after being obstructed, flow back to device middle and lower part, then flow out chemical oxidation purifier 3 by central tube 33 and flow to active carbon filtering device 4.Like this, pass into and be extended the time of contact that air and described high moisture adsorption and releasing polyurethane fiber capillary restrain the netted structured packing layer of the layer stereo formed, air fully can contact hydrogen peroxide, and pernicious gas molecule is oxidized more fully.
Bottom chemical oxidation purifier 3, sewage draining exit is set, so that discharge when device quits work and carries out blowdown work the hydrogen peroxide having lost oxidative stress.In addition, be communicated with the blowoff valve V' that the pipeline of blow-off line is arranged and only open when carrying out blowdown work, other times are in closed condition.
Active carbon filtering device 4 structure of the present invention is close with iron sand filter 2: bottom is provided with air inlet 41, is connected the air outlet 32 of chemical oxidation purifier 3 by pipeline; Top is provided with air outlet 42, connects rubber air accumulator 5 by pipeline; Be provided with a supporting parts 43 bottom active carbon filtering device 4, supporting parts 43 position a little more than air inlet 41, for support activated carbon granule.Activated carbon granule is distributed on supporting parts 43, forms an active carbon layer.Supporting parts 43 has equally distributed hole, and the aperture of hole increases from dividing plate upper surface gradually to dividing plate lower surface, and the aperture of apertured top surface is less than the particle diameter of activated carbon granule.
In the present embodiment, supporting parts 43 adopts the design of the dividing plate with equally distributed hole, but the present invention is not as limit.In some other embodiment of the present invention, for the supporting parts 43 of support activated carbon granule, can be grid or filter screen, wherein the grid of grid and the screen-aperture of filter screen be less than the particle diameter of activated carbon granule.
The ambient air outside cleaned through chemical oxidation purifier 3 is inner by air inlet 41 inflow device bottom active carbon filtering device 4 by pipeline, naturally upwards spreads.The pernicious gas of air only remaining minute quantity after dedusting, oxidation, after by the dividing plate bottom active carbon filtering device 4, remaining pernicious gas molecule is tightly held by activated carbon, the minute quantity elemental oxygen simultaneously produced in back hydrogen peroxide oxidation process and ozone also because of with active carbon generation oxidation reaction and being removed.So far, the ambient air outside that air blast 1 blasts device is purified completely, flows into rubber air accumulator 5 by the air outlet 42 at active carbon filtering device 4 top through piping.
Rubber air accumulator of the present invention comprises a rubber bellows 53, this rubber bellows about 53 closed at both ends, and top is provided with a balance weight body (not shown); One hard shell 54, is sheathed on described rubber bellows 53 outside, in order to keep rubber bellows 53 upright and limit it and expand.Side, housing 54 bottom is provided with air inlet 51, is connected the air outlet 42 of active carbon filtering device 4 by pipeline; Housing 54 bottom opposite side is provided with air outlet 52, connects wind pipe, and wind pipe connects metallurgical casting crane cabin; Be provided with the air inlet corresponding with the air inlet 51 of housing 54 and air outlet 52 and air outlet bottom rubber bellows 53 simultaneously; Wind pipe is provided with pressure-regulating valve V.In addition, be provided with sewage draining exit bottom housing 54, to should sewage outfalls setting opening bottom rubber bellows 53, sewage draining exit, by pipeline communication blow-off line, the pipeline being communicated with blow-off line be provided with blowoff valve V'.
When the air pressure in rubber bellows 53 is lower than a predetermined pressure P1, air blast 1 starts, and purification of air ventilation unit comes into operation.Start to flow into gradually the air after by the purification of purification of air ventilation unit in rubber air accumulator 5, the air pressure in rubber bellows 53 rises gradually.
When the air pressure in rubber bellows 53 is higher than a predetermined pressure P2 (P2>P1), air blast 1 cuts out, and purification of air ventilation unit quits work.The pressure-regulating valve V that pipeline now due to the connection of rubber air accumulator 5 air outlet is arranged still is in closed condition, and the air pressure thus in rubber bellows 53 will maintain P2.
When the air pressure in drivers' cab is lower than a predetermined pressure P3 (P3<P1), the pressure-regulating valve V that the pipeline that rubber air accumulator 5 air outlet connects is arranged opens, because rubber bellows 53 internal gas pressure is now P2, P2>P1>P3, cleaned air in rubber bellows 53 will flow to drivers' cab naturally, with the slight positive pressure state in holding chamber.Meanwhile, rubber bellows 53 compresses naturally due to the effect of top counterweight, will naturally accelerate this process.
When air pressure P1, P2 in above-mentioned wherein rubber bellows 53 are respectively the pressure-regulating valve V opening and closing arranged on the pipeline of rubber air accumulator 5 air outlet connection, air pressure when balance weight body horizontal level in rubber bellows 53 no longer changes, that is, air pressure when rubber bellows 53 no longer naturally compresses or expands.
The air now flowing into drivers' cab is purified by purification of air ventilation unit of the present invention, and improves oxygen content on a small quantity.To no longer affect the normal work of driver's indoor electric equipment and the healthy of operating personnel.
In addition, bottom housing 54, sewage draining exit is provided with, to should sewage outfalls setting opening bottom rubber bellows 53, to discharge dirt in rubber air accumulator 5 (mainly in rubber bellows 53) when purification of air ventilation unit quits work.And be communicated with blowoff valve V' that the pipeline of blow-off line is arranged and only open when carrying out blowdown work, other times are in closed condition.
In some other embodiment of the present invention, the wind pipe of purification of air ventilation unit leads to the aircondition of drivers' cab, will send into drivers' cab again to make the air after purification of air ventilated purification apparatus purification of the present invention after aircondition temperature adjustment.So, purification of air, temperature adjusting integrated can be formed.Meanwhile, due to the design of integration, the pipe design of whole device is simplified, and construction cost is saved.
In addition, for the setting position of purification of air ventilating system of the present invention in metallurgical casting hoister outdoor, the present invention is also not specifically limited, and those skilled in the art can determine according to the concrete condition of the structure of different metallurgical casting crane cabin.
In sum, the design that purification of air ventilation unit of the present invention is filtered by the dedusting of iron sand filter, chemical oxidation purifier hydrogen peroxide oxidation, active carbon filtering device, the outdoor air of metallurgical casting crane cabin is purified, remove pollutant, pass in drivers' cab after increasing oxygen content, effectively can improve the air quality in drivers' cab; Be communicated with the present invention of aircondition, will the object of purification, temperature control integration be reached, and simplify the pipe design of drivers' cab external device (ED), saved construction cost.
In addition, because the air themperature passed in chemical oxidation purifier 3 of the present invention is about (40 DEG C ~ 60 DEG C), heating step is there is not in whole purification process, the concentration of hydrogen peroxide own is lower simultaneously, and be consumed because of pollutant in oxidation air, therefore can not there is hydrogen peroxide and acutely decompose in a large number and the situation generating a large amount of oxygen.So the content finally passing into driver's indoor oxygen is about 21.50% ~ 23.50%, be no more than 23.50%.Meanwhile, based on similar reason, the drop ozone produced in purification process also can not produce considerable influence to the ozone content passed in the air of drivers' cab, and the ozone concentration finally passed in drivers' cab is about 0.01 ~ 0.04ppm, can not more than 0.15ppm.
These are only a preferred embodiment of the present invention and work flow thereof, it only understands technical scheme of the present invention and operation principles thereof for ease of those skilled in the art, is not limited the present invention.Those skilled in the art can suitably revise technical scheme provided by the present invention according to the actual requirements, and institute makes an amendment and equivalent transformation does not all depart from the present invention's scope required for protection.The present invention's interest field required for protection, is as the criterion with appending claims.
Claims (10)
1. a metallurgical casting crane cabin purification of air ventilation unit, it comprises:
Air blast, iron sand filter, chemical oxidation purifier, active carbon filtering device and rubber air accumulator;
By air blast, surrounding air is sent into described iron sand filter and carry out dedusting;
After dedusting, carry out hydrogen peroxide oxidation through described chemical oxidation purifier, then complete after purification through described active carbon filtering device and pass into described rubber air accumulator;
Controlled the passing in drivers' cab of air after the purification stored in described rubber air accumulator.
2. purification of air ventilation unit as claimed in claim 1, is provided with air inlet bottom wherein said iron sand filter, and connect intake stack, top is provided with air outlet, connects described chemical oxidation purifier by pipeline; Described iron sand filter is provided with a set of electromagnet apparatus, and bottom is provided with a supporting parts, this supporting parts position higher than the air inlet of described iron sand filter, for support iron sand particle; Described iron sand distribution of particles forms an iron sand layer on described supporting parts;
Described purification of air ventilation unit also comprises the electrical control gear of the described air blast of a connection and described electromagnet apparatus.
3. purification of air ventilation unit as claimed in claim 2, the wherein said supporting plate be arranged at bottom iron sand filter is grid, filter screen or the dividing plate having equally distributed hole; And the screen-aperture of the grid of described grid, described filter screen is less than the particle diameter of described iron sand particle, the aperture of described separator perforation increases from dividing plate upper surface gradually to dividing plate lower surface, the aperture of apertured top surface is less than iron sand grain diameter.
4. purification of air ventilation unit as claimed in claim 2, on the top that wherein said electromagnet apparatus is arranged at described iron sand filter or sidewall, is positioned at the top of described supporting parts.
5. purification of air ventilation unit as claimed in claim 1, wherein said chemical oxidation purifier bottom arranges air inlet, is connected the air outlet of described iron sand filter by pipeline; Top sets out air port, connects described active carbon filtering device by pipeline;
Described chemical oxidation purifier outside is provided with a dioxygen water storage tank, hydrogen peroxide storage tank is by chemical oxidation purifier described in pipeline communication, the pipe outlet leading to described chemical oxidation purifier is positioned at the top of described chemical oxidation purifier, and pipeline is provided with pinched valve near described hydrogen peroxide storage tank one end;
Be provided with high moisture adsorption and releasing polyurethane fiber capillary in the pipeline that described hydrogen peroxide storage tank is connected with described chemical oxidation purifier to restrain, this pipeline is filled in described high moisture adsorption and releasing polyurethane fiber capillary tube bank, extend to described chemical oxidation purifier by described hydrogen peroxide storage tank, and on described chemical oxidation purifier inwall, form the netted structured packing layer of a layer stereo.
6. purification of air ventilation unit as claimed in claim 5, the air inlet of wherein said chemical oxidation purifier is communicated with a spiral case, spiral case is sheathed on chemical oxidation purifier outer wall, is provided with the network structure packing layer that the tube bank of high moisture adsorption and releasing polyurethane fiber capillary is formed inside volute outer wall; Spiral case cavity inner wall at end arranges opening, is communicated with described chemical oxidation purifier inner space;
Described chemical oxidation purifier top is provided with the central tube that extends to device inside, this central tube bottom extends in the middle part of described chemical oxidation purifier on the lower close to the position of the netted structured packing layer of layer stereo of described high moisture adsorption and releasing polyurethane fiber capillary tube bank formation, top extends to described chemical oxidation purifier top outer, by active carbon filtering device described in pipeline communication.
7. purification of air ventilation unit as claimed in claim 1, is provided with air inlet bottom wherein said active carbon filtering device, connects described chemical oxidation purifier air outlet by pipeline; Top is provided with air outlet, connects described rubber air accumulator by pipeline; Be provided with a supporting parts bottom described active carbon filtering device, this supporting parts position higher than the air inlet of described active carbon filtering device, for support activated carbon granule; Described activated carbon granule is distributed on described supporting parts and forms an active carbon layer.
8. purification of air ventilation unit as claimed in claim 7, the wherein said supporting parts be arranged at bottom active carbon filtering device is grid, filter screen or the dividing plate having equally distributed hole; And the sieve aperture of the grid of described grid, described filter screen is less than the particle diameter of described activated carbon granule, the aperture of described separator perforation increases from dividing plate upper surface gradually to dividing plate lower surface, and the aperture of apertured top surface is less than the particle diameter of activated carbon granule.
9. purification of air ventilation unit as claimed in claim 1, wherein said rubber air accumulator comprises
One hard shell, housing bottom side is provided with air inlet, and opposite side is provided with air outlet, connects wind pipe;
One rubber bellows, upper and lower closed at both ends, top is provided with a balance weight body;
Described housing is sheathed on rubber bellows outside;
Described wind pipe is provided with pressure-regulating valve.
10. a purification of air ventilation unit as claimed in claim 1, be arranged at an outdoor and be provided with one for regulating the metallurgical casting crane cabin of the aircondition of indoor air temperature outdoor, wherein, led to the air intake of described aircondition by the air after the purification of described purification of air ventilation unit, after air-conditioning temperature adjustment, pass into described metallurgical casting crane cabin again to make the air after purification.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510957052.2A CN105509218B (en) | 2015-12-19 | 2015-12-19 | A kind of metallurgical casting crane cabin air purification ventilation device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510957052.2A CN105509218B (en) | 2015-12-19 | 2015-12-19 | A kind of metallurgical casting crane cabin air purification ventilation device |
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| CN105509218A true CN105509218A (en) | 2016-04-20 |
| CN105509218B CN105509218B (en) | 2018-09-28 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107899418A (en) * | 2017-12-05 | 2018-04-13 | 李理 | A kind of ventilation unit for metallurgical casting crane cabin |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2104695U (en) * | 1991-05-07 | 1992-05-20 | 黎英豪 | Magnetic absorption duster |
| KR100778492B1 (en) * | 2007-06-15 | 2007-11-22 | (주)여진 | Air filtering system for crane |
| CN201787324U (en) * | 2010-07-27 | 2011-04-06 | 孙令辉 | Rubber membrane sealing gas container |
| CN104501338A (en) * | 2014-12-31 | 2015-04-08 | 安徽省元琛环保科技有限公司 | Air cleaner |
-
2015
- 2015-12-19 CN CN201510957052.2A patent/CN105509218B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2104695U (en) * | 1991-05-07 | 1992-05-20 | 黎英豪 | Magnetic absorption duster |
| KR100778492B1 (en) * | 2007-06-15 | 2007-11-22 | (주)여진 | Air filtering system for crane |
| CN201787324U (en) * | 2010-07-27 | 2011-04-06 | 孙令辉 | Rubber membrane sealing gas container |
| CN104501338A (en) * | 2014-12-31 | 2015-04-08 | 安徽省元琛环保科技有限公司 | Air cleaner |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107899418A (en) * | 2017-12-05 | 2018-04-13 | 李理 | A kind of ventilation unit for metallurgical casting crane cabin |
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| CN105509218B (en) | 2018-09-28 |
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