CN220635829U - Strip steel cleaning system - Google Patents
Strip steel cleaning system Download PDFInfo
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- CN220635829U CN220635829U CN202321818815.1U CN202321818815U CN220635829U CN 220635829 U CN220635829 U CN 220635829U CN 202321818815 U CN202321818815 U CN 202321818815U CN 220635829 U CN220635829 U CN 220635829U
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- 238000004140 cleaning Methods 0.000 title claims abstract description 141
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 51
- 239000010959 steel Substances 0.000 title claims abstract description 51
- 239000007788 liquid Substances 0.000 claims abstract description 123
- 239000007921 spray Substances 0.000 claims abstract description 79
- 230000001680 brushing effect Effects 0.000 claims abstract description 74
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 60
- 238000001914 filtration Methods 0.000 claims abstract description 53
- 238000005406 washing Methods 0.000 claims description 34
- 238000005192 partition Methods 0.000 claims description 15
- 230000007246 mechanism Effects 0.000 claims description 8
- 230000001502 supplementing effect Effects 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 17
- 230000003749 cleanliness Effects 0.000 abstract description 7
- 239000012528 membrane Substances 0.000 description 15
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 10
- 238000000034 method Methods 0.000 description 9
- 230000000903 blocking effect Effects 0.000 description 8
- 238000007654 immersion Methods 0.000 description 8
- 238000005238 degreasing Methods 0.000 description 7
- 239000010802 sludge Substances 0.000 description 7
- 239000003513 alkali Substances 0.000 description 6
- 238000011010 flushing procedure Methods 0.000 description 6
- 238000002386 leaching Methods 0.000 description 6
- 238000001471 micro-filtration Methods 0.000 description 6
- 239000003595 mist Substances 0.000 description 6
- 238000001035 drying Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 238000004891 communication Methods 0.000 description 4
- 238000007599 discharging Methods 0.000 description 4
- 238000010926 purge Methods 0.000 description 4
- 238000002791 soaking Methods 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 239000004519 grease Substances 0.000 description 3
- 230000008929 regeneration Effects 0.000 description 3
- 238000011069 regeneration method Methods 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000000137 annealing Methods 0.000 description 2
- 238000005097 cold rolling Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000005554 pickling Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 239000005871 repellent Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000005237 degreasing agent Methods 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000024121 nodulation Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- XAEFZNCEHLXOMS-UHFFFAOYSA-M potassium benzoate Chemical compound [K+].[O-]C(=O)C1=CC=CC=C1 XAEFZNCEHLXOMS-UHFFFAOYSA-M 0.000 description 1
- 239000008237 rinsing water Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 159000000000 sodium salts Chemical class 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
Classifications
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
Abstract
The utility model relates to a strip steel cleaning system which comprises a cleaning liquid circulating tank, a filtering water tank, and a first high-pressure spray section, a first brushing section, a second brushing section and a second high-pressure spray section which are sequentially connected along the running direction of strip steel, wherein cleaning liquid outlets of the first high-pressure spray section, the first brushing section, the second brushing section and the second high-pressure spray section are communicated with a circulating liquid inlet of the cleaning liquid circulating tank, a cleaning liquid inlet of the first brushing section is communicated with a circulating liquid outlet of the cleaning liquid circulating tank, and cleaning liquid inlets of the first high-pressure spray section, the second brushing section and the second high-pressure spray section are communicated with a filtering water outlet of the filtering water tank. The utility model adopts a cleaning mode of high-pressure spray cleaning, brushing and high-pressure spray cleaning, and the cleaning liquid can adopt desalted water under the condition of ensuring the cleaning effect on the strip steel, thereby being environment-friendly. The filter water tank is used for supplying clean cleaning liquid to the corresponding cleaning section, so that the working reliability of the system can be improved, and the surface cleanliness of the strip steel can be improved.
Description
Technical Field
The utility model relates to a strip steel cleaning system.
Background
In the cold rolling process of the strip steel, a layer of oil film and iron powder accompanying the oil film remain on the surface of the strip steel after the rolling is finished due to the lubrication and cooling. Before the annealing treatment process is carried out on the cold-rolled strip steel, the surface of the cold-rolled strip steel must be cleaned, otherwise, the quality defects of nodulation, uneven plating and the like in the furnace are easily caused.
At present, almost all cold rolling treatment lines with annealing procedures are provided with special degreasing sections, the degreasing sections generally consist of procedures such as alkali spray washing, alkali brushing, electrolytic cleaning, water brushing, multi-stage rinsing, drying and the like, chemical degreasing agents are used for alkali spray, alkali brushing and electrolytic cleaning, alkali mist harmful to the environment can be generated in the process, meanwhile, the continuous discharge of alkali-containing waste liquid also brings about larger environment-friendly treatment pressure, a large amount of waste rinsing water generated in the rinsing section cannot be directly recycled due to sodium salt or potassium salt, and the cost of online treatment and recycling is too high, so a large amount of rinsing waste water is directly discharged to a waste water treatment station, and great water resource waste is caused.
Disclosure of Invention
The utility model relates to a strip steel cleaning system which at least can solve part of defects in the prior art.
The utility model relates to a strip steel cleaning system which comprises a cleaning liquid circulating tank, a filtering water tank, and a first high-pressure spray section, a first brushing section, a second brushing section and a second high-pressure spray section which are sequentially connected along the running direction of strip steel, wherein cleaning liquid outlets of the first high-pressure spray section, the first brushing section, the second brushing section and the second high-pressure spray section are communicated with a circulating liquid inlet of the cleaning liquid circulating tank, a cleaning liquid inlet of the first brushing section is communicated with a circulating liquid outlet of the cleaning liquid circulating tank, and cleaning liquid inlets of the first high-pressure spray section, the second brushing section and the second high-pressure spray section are communicated with a filtering water outlet of the filtering water tank.
As one of the implementation modes, the cleaning liquid circulating tank comprises a circulating area and a filtering area which are communicated with each other, the circulating liquid inlet and the circulating liquid outlet are both arranged in the circulating area, and the filtering area is connected with the filtering water inlet of the filtering water tank through a filtering pipeline.
As one of the implementation modes, the circulating area is separated from the filtering area by two partition boards, the first partition board is arranged at the junction of the circulating area and the filtering area and extends upwards from the tank bottom at the junction to a space with the tank top, the second partition board extends downwards from the tank top of the circulating area to the tank bottom close to the circulating area, and the two partition boards are adjacent and arranged at intervals to form a baffling channel.
As one embodiment, a fine filter mechanism is disposed on the filter pipe.
As one embodiment, a magnetic filter is disposed on the circulating liquid inlet pipe of the cleaning liquid circulating tank.
As one embodiment, the first high-pressure spray section and the first brushing section share one circulating liquid inlet pipe, the second brushing section and the second high-pressure spray section share one circulating liquid inlet pipe, and magnetic filters are respectively arranged on the two circulating liquid inlet pipes.
As one embodiment, the filtering water tank is provided with a water supplementing pipeline, and the water supplementing pipeline is connected with a desalted water source.
As one embodiment, the first high pressure spray section and the first brush section are arranged in the same tank; the second brushing section and the second high pressure spray section are arranged in the same tank body.
As one of the implementation modes, the groove body where the first brushing section is positioned is communicated with the groove body where the second brushing section is positioned through a throat channel.
As one embodiment, the filter water tank and the cleaning liquid circulation tank are both provided with heaters.
The utility model has at least the following beneficial effects:
in the utility model, a cleaning mode of high-pressure spray cleaning, brushing and high-pressure spray cleaning is adopted, and the cleaning liquid can adopt desalted water under the condition of ensuring the cleaning effect on the strip steel, thereby being environment-friendly. The filter water tank supplies clean cleaning liquid to the first high-pressure spray washing section, the second brushing section and the second high-pressure spray washing section, so that the working reliability of the first high-pressure spray washing section, the second brushing section and the second high-pressure spray washing section can be ensured, the blocking probability of a high-pressure pump set can be reduced, and the surface cleanliness of strip steel can be further ensured by adopting the clean cleaning liquid for the second brushing section and the second high-pressure spray washing section.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram provided in an embodiment of the present utility model.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1, the embodiment of the utility model provides a strip steel cleaning system, which comprises a cleaning solution circulation tank 11, a filtering water tank 12, and a first high-pressure spray section 2, a first brushing section 3, a second brushing section 4 and a second high-pressure spray section 5 which are sequentially connected along the running direction of the strip steel, wherein cleaning solution outlets of the first high-pressure spray section 2, the first brushing section 3, the second brushing section 4 and the second high-pressure spray section 5 are communicated with a circulating solution inlet of the cleaning solution circulation tank 11, a cleaning solution inlet of the first brushing section 3 is communicated with a circulating solution outlet of the cleaning solution circulation tank 11, and cleaning solution inlets of the first high-pressure spray section 2, the second brushing section 4 and the second high-pressure spray section 5 are communicated with a filtering water outlet of the filtering water tank 12.
The first high-pressure spray washing section 2 is used for carrying out full-face washing on the strip steel by adopting high-pressure cleaning liquid, so that a considerable part of grease and iron powder on the surface of the strip steel can be rapidly removed. Preferably, the pressure of the high-pressure cleaning liquid is controlled to be 30-50 MPa, for example, about 40MPa, so that the flushing effect can be ensured. In the first high-pressure spray section 2, support rolls are provided, preferably one high-pressure spray beam at each support roll.
The second high-pressure spray washing section 5 is used for washing the whole surface of the strip steel again by adopting high-pressure cleaning liquid, and can further remove the adhesion substances such as greasy dirt and iron powder on the surface of the strip steel by combining the brushing action of the two brushing sections and the high-pressure washing action. Preferably, the pressure of the high-pressure cleaning liquid is controlled to be 30-50 MPa, for example, about 40MPa, so that the flushing effect can be ensured. In the second high-pressure spray section 5, support rolls are provided, preferably one high-pressure spray beam at each support roll.
Correspondingly, a high-pressure pump group 17 is arranged on the cleaning liquid supply pipeline of the first high-pressure spray section 2 and the cleaning liquid supply pipeline of the second high-pressure spray section 5; or both are connected to the outlet of the same high-pressure pump group 17.
In the two brushing sections, brushing and spray washing are preferably alternately performed, so that the removal effect and efficiency of oil stains and iron powder on the surface of the strip steel can be ensured, and correspondingly, in each brushing section, a brush roller and a spray beam are alternately arranged along the running direction of the strip steel.
In one embodiment, as shown in fig. 1, the first high pressure spray section 2 and the first brush section 3 are arranged in the same tank; the second brushing section 4 and the second high-pressure spraying section 5 are arranged in the same tank body. This not only improves the compactness of the system arrangement, but also facilitates the control of the circulation of the cleaning liquid.
Preferably, the groove body where the first brushing section 3 is located is communicated with the groove body where the second brushing section 4 is located through a throat channel, and the throat channel is convenient for the strip steel to pass through, so that the environment between the two cleaning tanks can be well isolated. Preferably, a wringing roller is provided at the outlet of the first brush section 3.
The filtering water tank 12 supplies clean cleaning liquid to the first high-pressure spray section 2, the second brushing section 4 and the second high-pressure spray section 5, so that the working reliability of the first high-pressure spray section 2, the second brushing section 4 and the second high-pressure spray section 5 can be ensured, the blocking probability of the high-pressure pump group 17 can be reduced, and the surface cleanliness of strip steel can be further ensured by adopting clean cleaning liquid for the second brushing section 4 and the second high-pressure spray section 5.
In this embodiment, desalted water can be used as the cleaning solution, that is, only the physical degreasing means is used in this embodiment, and the cleaning solution is environment-friendly. Wherein the filtered water tank 12 is provided with a water supplementing pipeline 18, and the water supplementing pipeline 18 is connected with a desalted water source.
Wherein, preferably, the magnetic filter 15 is disposed on the circulating liquid inlet pipe of the cleaning liquid circulating tank 11, so that the cleaning liquid flowing back in the cleaning tank can be filtered, impurities such as iron mud and the like in the cleaning liquid can be removed, the service life and cleaning effect of the cleaning liquid can be effectively prolonged, and the maintenance frequency of the cleaning liquid circulating tank 11, the spray beam and the like can be reduced. In one embodiment, as shown in fig. 1, the first high-pressure spray section 2 and the first brushing section 3 share a circulating liquid inlet pipe, the second brushing section 4 and the second high-pressure spray section 5 share a circulating liquid inlet pipe, and magnetic filters 15 are respectively arranged on the two circulating liquid inlet pipes.
The circulation liquid inlet pipe of the cleaning liquid circulation tank 11 is preferably connected to the tank top, and the circulation liquid outlet is preferably provided at the lower portion of the cleaning liquid circulation tank 11.
In one embodiment, as shown in fig. 1, the cleaning solution circulation tank 11 includes a circulation zone 111 and a filtration zone 112 that are mutually communicated, the circulation solution inlet and the circulation solution outlet are both disposed in the circulation zone 111, and the filtration zone 112 is connected to the filtration water inlet of the filtration water tank 12 through a filtration pipeline.
The cleaning liquid circulation tank 11 is partitioned, so that the cleaning liquid can be conveniently treated, and the cleanliness of the cleaning liquid flowing to the filtering water tank 12 can be improved. Preferably, as shown in fig. 1, the circulation area 111 and the filtration area 112 are separated by two partition boards, the first partition board is arranged at the junction of the circulation area 111 and the filtration area 112, the first partition board extends upwards from the tank bottom at the junction to a certain distance from the tank top, the second partition board extends downwards from the tank top of the circulation area 111 to the tank bottom close to the circulation area 111, the two partition boards are adjacent and are arranged at intervals, a baffling channel can be formed, and the cleaning liquid automatically flows into the filtration area 112 and simultaneously oil sludge can be conveniently deposited in the circulation area 111. Based on the structure, the difference of the inlet and outlet flow of the cleaning liquid circulating tank 11 caused by adding the filtering pipeline can be avoided, and the stability of the circulating flow of the cleaning liquid is ensured.
Further, as shown in fig. 1, a fine filter mechanism 16 is disposed on the filter pipe. In one embodiment, the fine filtering mechanism 16 includes a first filtering device and a second filtering device, where the first filtering device adopts a super-oleophobic micro-filter, and in the super-oleophobic micro-filter, an outer surface of a micro-filtration membrane tube is covered with a super-oleophobic coating, and the super-oleophobic coating has characteristics of oleophobic property and low surface tension, so that the oil sludge adhered to the surface of the super-oleophobic coating is relatively easy to be removed, and the problems of membrane tube blockage failure and the like are not caused.
Further, the super-oleophobic micro-filter is provided with a regeneration mechanism, so that the service life of the super-oleophobic micro-filter can be prolonged, and the working reliability and the filtering effect of the super-oleophobic micro-filter can be improved. In one embodiment, the regeneration mechanism comprises a flush tube in communication with the lumen of the microfiltration membrane tube; and/or, the regeneration mechanism comprises a purging pipe which is communicated with the inner cavity of the shell of the super-oleophobic micro-filter and faces the outer wall of the micro-filtration membrane pipe. The outer surface of the micro-filtration membrane tube is covered with the super-oleophobic coating, and the micro-filtration membrane tube can be quickly regenerated by back flushing in the micro-filtration membrane tube and/or purging outside the membrane tube. Wherein the flushing pipe is connected with a flushing water source; the purge tube is connected to a source of purge gas, such as compressed air.
Further, the filter material outlet of the super oleophobic micro-filter is connected with an oil sludge squeezing device, so that deep dehydration of the oil sludge can be realized, and the dehydrated oil sludge is convenient for direct transportation and treatment.
The second filter device preferably employs a blocking membrane filter, and can further filter impurities such as iron mud. Preferably, the blocking membrane filter adopts an HK blocking membrane, which has extremely strong oil-repellent characteristic, when oil-containing cleaning liquid with certain pressure is required to permeate the HK blocking membrane, water molecules on the feeding side can be substituted and permeated with water molecules in the membrane, and oil-repellent dispersoids cannot be substituted with associated water in the membrane and can be selectively blocked. The oil blocking and removing process can be quantitatively designed, the oil removing precision is high, back flushing is not needed during the operation, the oil content of incoming water is not limited, the impact of large oil mass is resisted, and the water yield can be up to more than 99%. The waste oil blocked by the blocking membrane filter can be discharged to a collection container or a collection tank.
Through the fine filtering mechanism 16, most of oil stains and iron powder in the cleaning solution can be removed (in the embodiment, the removal rate can reach more than 95 percent), and the cleanliness of the cleaning solution in the water filtering tank 12 is ensured, so that the cleaning effect of related equipment and the use safety of the equipment are ensured.
Wherein, the circulating pump is arranged on the circulating liquid outlet pipe of the cleaning liquid circulating tank 11, the filtering water pump is arranged on the filtering pipeline, the circulating pump and/or the filtering water pump preferably adopts a variable frequency pump, and the dynamic balance of the liquid inlet amount and the liquid outlet amount of the cleaning liquid circulating tank 11 can be matched through the rotation speed adjustment of the pump.
Preferably, the filter water tank 12 and the cleaning solution circulating tank 11 are both provided with heaters, so that the cleaning solution can be heated and kept warm, and the heated cleaning solution can obtain better cleaning effect. Wherein, in the cleaning liquid circulation tank 11, a heater may be disposed only in the circulation zone 111.
In one embodiment, as shown in fig. 1, the strip steel cleaning system further comprises a leaching tank 1, wherein the leaching tank 1 is positioned at the upstream of the first high-pressure spray section 2, and the strip steel cleaning effect and efficiency can be further improved through combination of means such as leaching, spray washing, brushing and the like.
In which, as shown in fig. 1, the immersion tank 1 is preferably a vertical tank, the inlet and outlet of the immersion tank 1 are respectively provided with a steering roller, the bottom is provided with a sink roller, the strip steel sequentially winds around the inlet steering roller, the sink roller and the outlet steering roller, and the running track of the strip steel in the immersion tank 1 is basically vertical. In one embodiment, the temperature of the cleaning liquid in the leaching tank 1 is 85 ℃; the cleaning liquid preferably enters from the lower part of the immersion tank 1 and overflows from the upper part.
Preferably, the leaching tank 1 adopts an ultrasonic leaching mode, and the ultrasonic vibration plates are preferably distributed on two sides of the strip steel running track; under the action of ultrasonic waves, the strip steel is heated up rapidly, preferably to a temperature close to that of the cleaning liquid, so that the viscosity and the adhesive force of grease on the surface of the strip steel are greatly reduced, grease removal is facilitated, and good conditions are created for subsequent degreasing.
In one embodiment, as shown in fig. 1, the immersion tank 1 is in open communication with the tank body where the first high-pressure spray section 2 and the first brushing section 3 are located, for example, a special-shaped cleaning tank is adopted, and the special-shaped cleaning tank comprises a vertical tank body and a horizontal tank body, wherein the vertical tank body is configured as the immersion tank 1, and the first high-pressure spray section 2 and the first brushing section 3 are arranged in the horizontal tank body. Based on the structure, the cleaning liquid in the first high-pressure spray section 2 and the first front brushing groove 3 can automatically flow into the soaking groove 1, so that on one hand, the gradient utilization of the cleaning liquid can be realized, the consumption of the cleaning liquid is saved, the soaking groove 1 can always keep overflow liquid level, the soaking effect can be ensured, and the power energy consumption for supplying the cleaning liquid to the soaking groove 1 can also be saved; on the other hand, it is possible to facilitate circulation control of the cleaning liquid, particularly when the cleaning liquid circulation tank 11 is shared by immersion cleaning, spray cleaning and brushing, and also to facilitate collection and cleaning of the cleaned sludge, for example, the sludge in the horizontal tank body can be mostly carried by the cleaning liquid into the immersion cleaning tank 1 for deposition; in particular, when the cleaning liquid in the horizontal tank body falls into the pickling tank 1, a certain turbulence effect can be caused in the pickling tank 1, and accordingly the cleaning effect on the strip steel is improved. In addition, the vertical groove body and the horizontal groove body are in butt joint type open communication, the strip steel is smoother and safer to pass, the structural compactness of the cleaning groove is very high, and the occupied area of the field can be effectively saved.
Preferably, a wringing roller can be arranged at the outlet of the second high-pressure spray section 5, and the surface dryness of the strip steel can be improved by matching with the strip steel drying unit 6 at the outlet side. The above-described strip drying unit 6 includes, but is not limited to, an air knife device.
In one embodiment, as in fig. 1, the strip cleaning system further comprises a dry degreasing section 7, the dry degreasing section 7 being connected to the outlet side of the second high pressure spray section 5. The dry oil removing section 7 is provided with a laser oil removing device and/or a plasma oil removing device, so that an oil film remained on the surface of the strip steel can be removed; in the dry oil removing section 7, the oil film on the surface of the strip steel can be removed or converted into a substance which is easy to remove by adopting a laser burning method with specific frequency or a plasma decomposition method, and trace oil film which is difficult to wash and brush by cleaning liquid can be easily removed.
Further, as shown in fig. 1, the strip steel cleaning system further comprises at least one section of rear brushing groove 8, rinsing groove 9 and final spraying groove 10 which are sequentially connected along the running direction of the strip steel, and the strip steel after dry degreasing can be further cleaned.
In the rear brushing tank 8, brushing and spray washing are preferably alternately performed, so that the removal effect and efficiency of oil stains and iron powder on the surface of the strip steel can be ensured, and correspondingly, in the rear brushing tank 8, brush rolls and spray washing beams are alternately arranged in the running direction of the strip steel.
Preferably, as shown in fig. 1, the cavities of the rinsing tank 9 and the final spray tank 10 are in open communication, for example, the two tanks are integrally formed together.
The surface cleanliness of the outlet strip steel can be ensured through the cleaning of the rinsing tank 9 and the final spraying tank 10, and the surface of the strip steel has the minimum residue after being dried. In one embodiment, a plurality of sets of rinse nozzles are disposed within the rinse tank 9; one or more groups of final spray pipes are arranged in the final spray tank 10.
Further preferably, as shown in fig. 1, the post-washing section is further provided with a rinse cycle tank 13, the washing liquid inlets of the post-washing tank 8 and the rinsing tank 9 are all communicated with a rinse water outlet of the rinse cycle tank 13, and the washing liquid outlets of the post-washing tank 8, the rinsing tank 9 and the final-washing tank 10 are all communicated with a rinse water inlet of the rinse cycle tank 13.
The same type of cleaning liquid as the cleaning liquid in the cleaning liquid circulation tank 11 is preferably used for the cleaning liquid in the rinsing circulation tank 13, and for example, desalted water is used for all.
Preferably, as shown in fig. 1, the cleaning solution inlet of the final spray tank 10 is communicated with the filtered water outlet of the above-mentioned filtered water tank 12, that is, the cleaning solution is supplied to the final spray tank 10 through the filtered water tank 12, so that the surface cleanliness of the strip after the final spray can be ensured, and the strip can be used as the water supplement of the rinsing circulation tank 13.
In one embodiment, as shown in fig. 1, a partition plate is arranged in the rinsing circulation tank 13, and extends upwards from the tank bottom to a certain distance from the tank top, so that the rinsing circulation tank 13 is divided into a brushing liquid area and a rinsing liquid area which are communicated with each other; wherein, preferably, the brushing liquid inlet pipe and the brushing liquid outlet pipe of the rear brushing groove 8 are connected on the brushing liquid area, and the rinsing liquid inlet pipe and the rinsing liquid outlet pipe of the rinsing circulation tank 13 are connected on the rinsing liquid area. The structure can ensure the partition of the brushing liquid and the rinsing liquid to a large extent, thereby ensuring the brushing and rinsing effects; the jet flow rate in the rinsing tank 9 and the final-jet tank 10 is preferably larger than the jet flow rate in the rear rinsing tank 8, and the final-jet tank 10 is supplied with water from an external source, so that, in the rinsing liquid zone, in addition to the self-rinsing liquid circulation, the flow direction overflowing to the brushing liquid zone is formed, and the cascade utilization of the cleaning liquid can be formed.
Further preferably, as shown in fig. 1, the rinse cycle tank 13 is provided with a return pipe connected to the filtering section 112 of the washing liquid circulation tank 11, to effect circulation of the washing liquid of the post-washing stage. The water return pipe is preferably connected to the brushing liquid area, and the trapezoidal flow is realized in the rinsing circulation tank 13, so that the power can be saved.
Preferably, a heater is arranged in the rinsing circulation tank 13, so that the cleaning liquid can be heated and kept warm, and the heated cleaning liquid can obtain better cleaning effect.
Preferably, a wringer roller is arranged at the outlet of the final spray tank 10, and the surface dryness of the strip steel can be improved by matching with the strip steel drying unit 6 at the outlet side. The strip drying unit 6 includes, but is not limited to, an air knife device.
Each tank body is provided with a mist discharging port and is connected with a mist discharging pipeline for discharging high-temperature mist generated in the cleaning process. In one embodiment, as shown in fig. 1, the above strip steel cleaning system is further configured with a droplet condenser 14, and each mist discharging pipe is connected to the droplet condenser 14, so that the water vapor generated by splashing and evaporation can be recovered to the maximum extent under the action of the circulating cooling water. Further preferably, a condensate outlet pipe of the mist condenser 14 is connected to the cleaning liquid circulation tank 11, and condensate is collected in the cleaning liquid circulation tank 11 for recycling.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (10)
1. A strip steel cleaning system, characterized in that: the cleaning device comprises a cleaning liquid circulation tank, a filtering water tank and a first high-pressure spray washing section, a first brushing section, a second brushing section and a second high-pressure spray washing section which are sequentially connected along the running direction of strip steel, wherein cleaning liquid outlets of the first high-pressure spray washing section, the first brushing section, the second brushing section and the second high-pressure spray washing section are communicated with a circulating liquid inlet of the cleaning liquid circulation tank, a cleaning liquid inlet of the first brushing section is communicated with a circulating liquid outlet of the cleaning liquid circulation tank, and cleaning liquid inlets of the first high-pressure spray washing section, the second brushing section and the second high-pressure spray washing section are communicated with a filtering water outlet of the filtering water tank.
2. The strip cleaning system of claim 1, wherein: the washing liquid circulation tank includes circulation district and the filtration district of intercommunication each other, circulation liquid entry with the circulation liquid export is all located circulation district, the filtration district through the filtration pipeline with the filtration water inlet connection of filtration water tank.
3. The strip cleaning system of claim 2, wherein: the circulating area is separated from the filtering area by two partition boards, the first partition board is arranged at the junction of the circulating area and the filtering area and extends upwards from the tank bottom at the junction to a distance from the tank top, the second partition board extends downwards from the tank top of the circulating area to the tank bottom close to the circulating area, and the two partition boards are adjacent and arranged at intervals to form a baffling channel.
4. The strip cleaning system of claim 2, wherein: and a fine filtering mechanism is arranged on the filtering pipeline.
5. The strip cleaning system of claim 1, wherein: a magnetic filter is arranged on a circulating liquid inlet pipe of the cleaning liquid circulating tank.
6. The strip cleaning system of claim 5, wherein: the first high-pressure spray washing section and the first brushing section share a circulating liquid inlet pipe, the second brushing section and the second high-pressure spray washing section share a circulating liquid inlet pipe, and magnetic filters are respectively arranged on the two circulating liquid inlet pipes.
7. The strip cleaning system of claim 1, wherein: the filtering water tank is provided with a water supplementing pipeline which is connected with a desalted water source.
8. The strip cleaning system of claim 1, wherein: the first high-pressure spray washing section and the first brushing section are arranged in the same groove body; the second brushing section and the second high pressure spray section are arranged in the same tank body.
9. The strip cleaning system of claim 8, wherein: the groove body where the first brushing section is positioned is communicated with the groove body where the second brushing section is positioned through a throat channel.
10. The strip cleaning system of claim 1, wherein: and heaters are arranged in the filtering water tank and the cleaning liquid circulating tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321818815.1U CN220635829U (en) | 2023-07-11 | 2023-07-11 | Strip steel cleaning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321818815.1U CN220635829U (en) | 2023-07-11 | 2023-07-11 | Strip steel cleaning system |
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| Publication Number | Publication Date |
|---|---|
| CN220635829U true CN220635829U (en) | 2024-03-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321818815.1U Active CN220635829U (en) | 2023-07-11 | 2023-07-11 | Strip steel cleaning system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220635829U (en) |
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2023
- 2023-07-11 CN CN202321818815.1U patent/CN220635829U/en active Active
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