CN204073595U - A kind of effective filter for steel rolling Treatment of Sludge - Google Patents
A kind of effective filter for steel rolling Treatment of Sludge Download PDFInfo
- Publication number
- CN204073595U CN204073595U CN201420432376.5U CN201420432376U CN204073595U CN 204073595 U CN204073595 U CN 204073595U CN 201420432376 U CN201420432376 U CN 201420432376U CN 204073595 U CN204073595 U CN 204073595U
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- filter
- roller
- cleaning case
- live
- sludge
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Abstract
The utility model discloses a kind of effective filter for steel rolling Treatment of Sludge, by multiple live-roller being pivotally arranged in ringwise between two baffle plates, and periphery filter bag being around in multiple live-roller forms the filter mechanism that has annular filter mechanism, and by filter mechanism being arranged in sealing pressing storehouse, make to form certain pressure differential between sealing pressing storehouse and filter mechanism, thus the mud making to be injected on the filter bag of filter mechanism realizes Separation of Solid and Liquid rapidly and efficiently.By arranging the cleaning case comprising gas blow pipe below filter mechanism, and will certain angle be set between gas blow pipe and cleaning case, multiple spiral groove is set at cleaning case inwall simultaneously, make the gases at high pressure of inside, sealed high pressure storehouse inner with certain angle incision cleaning case by gas blow pipe, make the cleaning fluid in it be eddy current shape High Rotation Speed, thus increase the cleaning performance to filter bag.
Description
Technical field
The utility model relates to rolling effluent process field, particularly relates to a kind of effective filter for steel rolling Treatment of Sludge.
Background technology
The direct-cooled systemic circulation water of steel rolling is owing to directly contacting with equipment, the content of the suspension in water and oil is higher, simultaneously in steel rolling process, the a large amount of iron scales swept away by giant also enter the direct-cooled recirculating cooling water system of steel rolling with water, therefore the direct-cooled recirculating cooling water system of steel rolling is typically provided with iron scale recovery and sludge treating system, generally comprises milling train whirling well, chemical oil remover, mud pit and press filteration system etc.
At present, in steel rolling direct-cooled systemic circulation water conventional process flow, chemical oil remover bed mud enters mud pit, delivers to sludge press filtration system after stirring, become mud cake to transport outward by plate and frame filter press press filtration to store up as industrial solid castoff, after the filter of plate and frame filter press, water is back to chemical oil remover.The plate and frame filter press processing chemical oil remover bed mud in this technique exists that equipment investment is large, volume is large, mechanism is complicated and can only cause the defect such as inefficiency and poor filtration effect by batch operation due to reasons in structure.Although existing band filter can realize working continuously, but ubiquity filters Netease's blocking, the defects such as in trapped substance, liquid content is higher, and solid-liquid separation effect is undesirable, in addition, because the filtration work mask of band filter has certain length, easily cause the breakage of filter bag when feeding quantity is larger on filter bag, limit the feeding quantity in filtration on the one hand, affect operating efficiency, accelerate the consume of filter bag on the other hand, affect the service life of band filter.In addition, when filtering viscosity and the larger material of oiliness, often there is filter bag and cleaning halfway problem, affect the regeneration of filter bag and reuse, and then affecting filter effect in band filter.
Utility model content
The purpose of this utility model is the deficiency for sludge press filtration system in general rolling effluent process, a kind of effective filter for steel rolling Treatment of Sludge is provided, by multiple live-roller being pivotally arranged in ringwise between two parallel baffle plates, and periphery filter bag being around in described multiple live-roller forms the filter mechanism that has annular filter mechanism, and by filter mechanism being arranged in sealing pressing storehouse, make to form certain pressure differential between sealing pressing storehouse and filter mechanism, thus the mud making to be injected on the filter bag of filter mechanism realizes Separation of Solid and Liquid rapidly and efficiently.
Another object of the present utility model is, by arranging the cleaning case comprising and be communicated with the inner gas blow pipe in cleaning case inside and sealing pressing storehouse below filter mechanism, and will certain angle be set between gas blow pipe and cleaning case, multiple spiral groove is set at cleaning case inwall simultaneously, make inside, sealed high pressure storehouse gases at high pressure inner with certain angle incision cleaning case by gas blow pipe, make the cleaning fluid in it be eddy current shape High Rotation Speed, thus greatly increase the cleaning performance to filter bag.
The technical solution of the utility model is:
For an effective filter for steel rolling Treatment of Sludge, comprising:
Sealing pressing storehouse, it is an airtight hollow vessel, and described sealing pressing bulkhead is provided with air inlet pipe and charge pipe, and wherein said air inlet pipe is connected with an air compressor;
Filter mechanism, it is inner that it is arranged at described sealing pressing storehouse, described filter mechanism comprises live-roller, filter bag and baffle plate, wherein said baffle plate comprises the first baffle plate and second baffle, described first baffle plate and second baffle be parallel to each other and and the mode of sealing pressing storehouse bottom vertical arrange, described live-roller is cylinder, the quantity of described live-roller is multiple, ringwise and be arranged between described first baffle plate and second baffle in the mode vertical with described baffle plate, the two ends of described live-roller are pivotally flexibly connected with baffle plate described multiple live-roller; Described filter bag is around in described multiple live-roller periphery and is driven to carry out moving by live-roller and forms annular filter mechanism, and the both sides of the edge of described filter bag are supported mutually with the inwall of described first baffle plate and second baffle respectively;
Cleaning device, it comprises cleaning case, sealed roller and gas blow pipe, wherein said cleaning case is a cross section is oval hollow cylinder, the two ends of this hollow cylinder are respectively arranged with the fluting that size and filter bag match, and described sealed roller is arranged at the both sides of fluting respectively in the mode parallel with described fluting; Described gas blow pipe is arranged at the top of described cleaning case, and the two ends of described gas blow pipe are communicated with described sealing pressing storehouse is inner and cleaning case is inner respectively.
Preferably, in the described effective filter for steel rolling Treatment of Sludge, the quantity of described gas blow pipe is two or more, and described gas blow pipe and described cleaning case top are provided with 30-60 degree angle.
Preferably, in the described effective filter for steel rolling Treatment of Sludge, described gas blow pipe is arranged the opening direction of described cleaning case inside is contrary with the transmission direction of filter bag, and described gas blow pipe stretches into the inner 5-15cm of described cleaning case.
Preferably, in the described effective filter for steel rolling Treatment of Sludge, described cleaning case inwall is provided with the groove of multiple helical arrangement, and the hand of spiral of described groove is consistent with the opening direction of described gas blow pipe.
Preferably, in the described effective filter for steel rolling Treatment of Sludge, the two ends of described sealed roller are pivotally flexibly connected with the two ends of described cleaning case with the cooperation of steady pin by rotating shaft; Described distance between relative two sealed rollers on fluting both sides is only can allow that filter bag passes through to be as the criterion.
Preferably, in the described effective filter for steel rolling Treatment of Sludge, described filter mechanism outside is also provided with scraper plate, and described scraper plate is arranged at one end of described filter mechanism and supports mutually with described filter bag.
Preferably, in the described effective filter for steel rolling Treatment of Sludge, material pipeline is also provided with out in described sealing pressing storehouse, described go out the first end of material pipeline corresponding with the position of scraper plate, described in go out material pipeline the second end and to be extraneously communicated with through described sealing pressing bulkhead.
Preferably, in the described effective filter for steel rolling Treatment of Sludge, also be provided with the Filtrate collection device of one end open in described filter mechanism, the opening of described Filtrate collection device support mutually with the filter bag being in upper opening portion and formed one be made up of described Filtrate collection device and filter bag be positioned at the in-house separate space of annular filter;
Described Filtrate collection device is also provided with out filtrate line, described in go out filtrate line first end through described baffle plate and and described Filtrate collection device inside is communicated with, described in go out filtrate line the second end pass described sealing pressing bulkhead also and ft connection.
Preferably, in the described effective filter for steel rolling Treatment of Sludge, the sidewall of described Filtrate collection device opening and position corresponding to live-roller are provided with the hole that tolerable live-roller passes, described hole inwall is provided with the ball for reducing live-roller and hole frictional force, and the opening part of described hole is provided with the rubber ring ensureing Filtrate collection device sealing.
The utility model has following beneficial effect: the effective filter for steel rolling Treatment of Sludge described in the utility model, by multiple live-roller being pivotally arranged in ringwise between two parallel baffle plates, and periphery filter bag being around in described multiple live-roller forms the filter mechanism that has annular filter mechanism, and by filter mechanism being arranged in sealing pressing storehouse, make to form certain pressure differential between sealing pressing storehouse and filter mechanism, thus the mud making to be injected on the filter bag of filter mechanism realizes Separation of Solid and Liquid rapidly and efficiently.
In addition, by arranging the cleaning case comprising and be communicated with the inner gas blow pipe in cleaning case inside and sealing pressing storehouse below filter mechanism, and will certain angle be set between gas blow pipe and cleaning case, multiple spiral groove is set at cleaning case inwall simultaneously, make inside, sealed high pressure storehouse gases at high pressure inner with certain angle incision cleaning case by gas blow pipe, the cleaning fluid in it is made to be eddy current shape High Rotation Speed, enough impulsive forces are produced to the mesh of filter bag, thus the cleaning performance greatly increased filter bag, solid residue accompanying by filter bag and greasy dirt are thoroughly removed, ensure the filter effect of filter bag in reusing.
Simultaneously, by arranging ball and rubber ring respectively at the tapping of the Filtrate collection device for collecting filtrate, reduce the frictional force between live-roller and Filtrate collection device well, and fully can ensure the sealing of Filtrate collection device, make filtration everything goes well with your work to carry out.The utility model has that equipment investment is little, structure is simple, can realize mud continuous, efficiently process, and advantages such as filter bag favorable regeneration effect.
Accompanying drawing explanation
Fig. 1 is the structural representation of the effective filter for steel rolling Treatment of Sludge described in the utility model.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is elaborated, can implement according to this after consulting this description to make those of ordinary skill in the art.
As shown in Figure 1, a kind of effective filter for steel rolling Treatment of Sludge described in the utility model, comprising:
Sealing pressing storehouse 1, it is an airtight hollow vessel, described sealing pressing Cang1Bi is provided with air inlet pipe 2 and charge pipe 3, wherein said air inlet pipe 2 is connected with an air compressor, in sealing pressing storehouse 1, be filled with gases at high pressure form high-pressure sealed system, described charge pipe 3 is arranged at the top in sealing pressing storehouse 1, for the input of pending mud.
Filter mechanism, it is inner that it is arranged at described sealing pressing storehouse 1, described filter mechanism comprises live-roller 4, filter bag 5 and baffle plate 6, wherein said baffle plate 6 comprises the first baffle plate and second baffle, described first baffle plate and second baffle be parallel to each other and and the mode of sealing pressing storehouse 1 bottom vertical arrange, described live-roller 4 is cylinder, the quantity of described live-roller 4 is multiple, described multiple live-roller 4 ringwise and be arranged between described first baffle plate and second baffle in the mode vertical with described baffle plate 6, the two ends of described live-roller 4 are pivotally flexibly connected with baffle plate 6, described filter bag 5 is around in described multiple live-roller 4 periphery and is driven to carry out moving by live-roller 4 and forms annular filter mechanism, and the both sides of the edge of described filter bag 5 are supported mutually with the inwall of described first baffle plate and second baffle respectively, the position that the both sides of filter bag 5 contact with baffle plate 6 is also provided with sealing strip, certain sealing and connection function is played between filter bag 5 and baffle plate 6, ensure that filter bag 5 its edge in transmission process contacts with baffle plate 6, all the time to form the separate space that is separated in sealing pressing storehouse 1 hyperbaric environment.When pending mud to render to filter bag 5 top of described filter mechanism by charge pipe 3, owing to there is certain pressure differential with airtight pressurization storehouse 1 in filter mechanism, pending mud adsorbed close is on filter bag 5, liquid under differential pressure action in mud flows rapidly in filter mechanism by the mesh of filter bag 5, and it is outside to be disposed to sealing pressing storehouse 1, mud cake retains and drives continuation transmission and discharging by filter bag 5 on filter bag 5 simultaneously, completes the Separation of Solid and Liquid of pending mud.
Cleaning device, it comprises cleaning case 11, sealed roller 13 and gas blow pipe 12, wherein said cleaning case 11 is a cross section is oval hollow cylinder, Filtrate collection device is built with cleaning fluid, the two ends of this hollow cylinder are respectively arranged with the fluting that size and filter bag 5 match, and filter bag 5 is inner through cleaning case 11 through the fluting at two ends in transmission process; Described sealed roller 13 is arranged at the both sides of fluting respectively in the mode parallel with described fluting, ensure cleaning case 11 sealing property for blocking filter bag 5; Described gas blow pipe 12 is arranged at the top of described cleaning case 11, and the two ends of described gas blow pipe 12 are communicated with 1 and cleaning case 11 inside in described sealing pressing storehouse respectively.In addition, described cleaning case 11 is also provided with the blast pipe with sealing pressing storehouse 1 ft connection, by blast pipe quantitatively lentamente to outside, sealed high pressure storehouse 1 release gas, cleaning case 11 inside and inside, sealed high pressure storehouse 1 is made to remain certain pressure differential, thus make the gas in sealing pressing storehouse 1 enter by gas blow pipe 12 eddy current that in cleaning case 11, formation is certain with certain speed, filter bag 5 is rinsed.
In the described effective filter for steel rolling Treatment of Sludge, the quantity of described gas blow pipe 12 is two or more, described gas blow pipe 12 is provided with 30-60 degree angle with described cleaning case 11 top, make air-flow inner from cleaning case 11 top incision cleaning case 11 with certain angle, and drive the cleaning fluid of cleaning case 11 inside to produce certain eddy current, make cleaning fluid produce more abundant foam simultaneously, increase the cleaning performance to filter bag 5.
In the described effective filter for steel rolling Treatment of Sludge, described gas blow pipe 12 is arranged the opening direction of described cleaning case 11 inside is contrary with the transmission direction of filter bag 5, make the flow direction of eddy current contrary with the transmission direction of filter bag 5, increase cleaning fluid to the impulsive force of filter bag 5, thus increase the developing result to filter bag 5; Described gas blow pipe 12 stretches into the inner 5-15cm of described cleaning case 11, can regulate, enable the opening of gas blow pipe 12 as far as possible close to the liquid level of cleaning fluid according to the number of cleaning case 11 cleaning liquid inside to the distance that gas blow pipe 12 stretches into.
In the described effective filter for steel rolling Treatment of Sludge, described cleaning case 11 inwall is provided with the groove of multiple helical arrangement, the hand of spiral of described groove is consistent with the opening direction of described gas blow pipe 12, gas is cut after in cleaning case 11 by gas blow pipe 12, drive cleaning fluid High Rotation Speed in cleaning case 11, produce eddy current, due to the effect of the groove of helical arrangement, the intensity of eddy current can be increased and reduce eddy current to the impulsive force of cleaning case 11 inwall.
In the described effective filter for steel rolling Treatment of Sludge, the two ends of described sealed roller 13 are pivotally flexibly connected with the two ends of described cleaning case 11 with the cooperation of steady pin by rotating shaft; Distance between relative two sealed rollers 13 on fluting both sides is only can allow that filter bag 5 is by being as the criterion.When filter bag 5 passes through in cleaning case 11, will by the gap between two relative sealed rollers 13, and drive sealed roller 13 to produce certain rotation, reduce the frictional force between sealed roller 13 and filter bag 5.
In the described effective filter for steel rolling Treatment of Sludge, described filter mechanism outside is also provided with scraper plate 9, and described scraper plate 9 is arranged at one end of described filter mechanism and supports mutually with described filter bag 5.Described scraper plate 9 is for having 120-150 degree bending angle L shaped plate, first limit of described scraper plate 9 is supported mutually with filter bag 5, and arrange in 30-60 degree overturning angle with filter bag 5, the Second Edge of described scraper plate 9 is perpendicular to filter bag 5 edge, when mud cake is sent to scraper plate 9 position by described filter bag 5, first mud cake is scraped by the first limit of scraper plate 5 and the first limit of the scraper plate 5 of edge inclination moves down, when mud cake is when the accumulation of scraper plate 9 place is more, can not drop down onto the opposite side of filter bag 5 due to the stop of the Second Edge of scraper plate 9, the orientation realizing mud cake scrapes.
In the described effective filter for steel rolling Treatment of Sludge, material pipeline 10 is also provided with out in described sealing pressing storehouse 1, described go out the first end of material pipeline 10 corresponding with the position of scraper plate 9, and be arranged at the position corresponding to the first edge, limit of scraper plate 9.Described go out the second end of material pipeline 10 through described sealing pressing Cang1Bi and and extraneous to be communicated with, the mud cake scraped by scraper plate 9 falls into out in material pipeline 10, and passes through material pipeline 10 and discharge sealing pressing storehouse 1.
In the described effective filter for steel rolling Treatment of Sludge, also be provided with the Filtrate collection device 8 of one end open in described filter mechanism, the opening of described Filtrate collection device 8 support mutually with the filter bag 5 being in upper opening portion and formed one be made up of described Filtrate collection device 8 and filter bag 5 be positioned at the in-house separate space of annular filter; Described Filtrate collection device 8 is also provided with out filtrate line 7, described go out the first end of filtrate line 7 through described baffle plate 6 and and described Filtrate collection device 8 inside is communicated with, described in go out filtrate line 7 the second end pass described sealing pressing Cang1Bi also and ft connection.Filtrate by entering in described Filtrate collection device 8 after filter bag 5 mesh, and goes out filtrate line 7 thus discharges sealing pressing storehouse 1 to be collected described in the effect of pressure reduction is pressed into.
In the described effective filter for steel rolling Treatment of Sludge, the sidewall of described Filtrate collection device 8 opening and the position of live-roller 4 correspondence are provided with the hole that tolerable live-roller 4 passes, described hole inwall is provided with the ball for reducing live-roller 4 and hole frictional force, the opening part of described hole is provided with the rubber ring ensureing Filtrate collection device 8 sealing, make Filtrate collection device 8 both can not affect the rotation of live-roller 4, also fully can contact with the filter bag 5 of live-roller 4 periphery, ensure the sealing of Filtrate collection device 8.
In addition, in the described effective filter for steel rolling Treatment of Sludge, described live-roller 4 with the movable connection method of baffle plate 6 is: the two ends of described live-roller 4 are respectively arranged with rotating shaft, the position that described baffle plate 6 sidewall is corresponding with live-roller 4 two ends rotating shaft is provided with the perforate matched with described rotating shaft, and described perforate inwall is provided with multiple ball for reducing rotating shaft and perforate frictional force.Described rotating shaft to be inserted in perforate and is rotated in perforate.In addition, have at least the live-roller 4 of 1/3 be connected with a motor and provide power to rotate by this motor in described multiple live-roller 4, and other live-roller 4 is driven voller, and single live-roller 4 fault can be avoided to cause the stopping of whole filter mechanism.Length and described first baffle plate of described live-roller 4 are corresponding with the distance between second baffle.The length of described live-roller 4 determines the thickness of filter mechanism, and can set the length of live-roller 4 according to actual needs, the length setting of live-roller 4 is longer, then the thickness of filter mechanism and volume larger, corresponding filter bag 5 is also wider.Distance between described adjacent two live-rollers 4 is 30-50cm; The diameter of described live-roller 4 is 5-8cm.By by multiple live-rollers 4 continuous arrangement at certain intervals, filter bag 5 can be driven to carry out transmission on the one hand, on the other hand effective supporting role is played to filter bag 5 and filter mechanism, avoid filter mechanism and filter bag 5 to be out of shape because the high pressure in sealing pressing storehouse 1 produces.
Although embodiment of the present utility model is open as above, but it is not restricted to listed in description and embodiment utilization, it can be applied to various applicable field of the present utility model completely, for those skilled in the art, can easily realize other amendment, therefore do not deviating under the universal that claim and equivalency range limit, the utility model is not limited to specific details and illustrates here and the legend described.
Claims (9)
1. for an effective filter for steel rolling Treatment of Sludge, it is characterized in that, comprising:
Sealing pressing storehouse, it is an airtight hollow vessel, and described sealing pressing bulkhead is provided with air inlet pipe and charge pipe, and wherein said air inlet pipe is connected with an air compressor;
Filter mechanism, it is inner that it is arranged at described sealing pressing storehouse, described filter mechanism comprises live-roller, filter bag and baffle plate, wherein said baffle plate comprises the first baffle plate and second baffle, described first baffle plate and second baffle be parallel to each other and and the mode of sealing pressing storehouse bottom vertical arrange, described live-roller is cylinder, the quantity of described live-roller is multiple, ringwise and be arranged between described first baffle plate and second baffle in the mode vertical with described baffle plate, the two ends of described live-roller are pivotally flexibly connected with baffle plate described multiple live-roller; Described filter bag is around in described multiple live-roller periphery and is driven to carry out moving by live-roller and forms annular filter mechanism, and the both sides of the edge of described filter bag are supported mutually with the inwall of described first baffle plate and second baffle respectively;
Cleaning device, it comprises cleaning case, sealed roller and gas blow pipe, wherein said cleaning case is a cross section is oval hollow cylinder, the two ends of this hollow cylinder are respectively arranged with the fluting that size and filter bag match, and described sealed roller is arranged at the both sides of fluting respectively in the mode parallel with described fluting; Described gas blow pipe is arranged at the top of described cleaning case, and the two ends of described gas blow pipe are communicated with described sealing pressing storehouse is inner and cleaning case is inner respectively.
2., as claimed in claim 1 for the effective filter of steel rolling Treatment of Sludge, it is characterized in that, the quantity of described gas blow pipe is two or more, and described gas blow pipe and described cleaning case top are provided with 30-60 degree angle.
3. as claimed in claim 2 for the effective filter of steel rolling Treatment of Sludge, it is characterized in that, described gas blow pipe is arranged the opening direction of described cleaning case inside is contrary with the transmission direction of filter bag, and described gas blow pipe stretches into the inner 5-15cm of described cleaning case.
4., as claimed in claim 3 for the effective filter of steel rolling Treatment of Sludge, it is characterized in that, described cleaning case inwall is provided with the groove of multiple helical arrangement, and the hand of spiral of described groove is consistent with the opening direction of described gas blow pipe.
5., as claimed in claim 4 for the effective filter of steel rolling Treatment of Sludge, it is characterized in that, the two ends of described sealed roller are pivotally flexibly connected with the two ends of described cleaning case with the cooperation of steady pin by rotating shaft; Described distance between relative two sealed rollers on fluting both sides is only can allow that filter bag passes through to be as the criterion.
6. as claimed in claim 1 for the effective filter of steel rolling Treatment of Sludge, it is characterized in that, described filter mechanism outside is also provided with scraper plate, and described scraper plate is arranged at one end of described filter mechanism and supports mutually with described filter bag.
7. as claimed in claim 6 for the effective filter of steel rolling Treatment of Sludge, it is characterized in that, material pipeline is also provided with out in described sealing pressing storehouse, described go out the first end of material pipeline corresponding with the position of scraper plate, described in go out material pipeline the second end and to be extraneously communicated with through described sealing pressing bulkhead.
8. as claimed in claim 1 for the effective filter of steel rolling Treatment of Sludge, it is characterized in that, also be provided with the Filtrate collection device of one end open in described filter mechanism, the opening of described Filtrate collection device support mutually with the filter bag being in upper opening portion and formed one be made up of described Filtrate collection device and filter bag be positioned at the in-house separate space of annular filter;
Described Filtrate collection device is also provided with out filtrate line, described in go out filtrate line first end through described baffle plate and and described Filtrate collection device inside is communicated with, described in go out filtrate line the second end pass described sealing pressing bulkhead also and ft connection.
9. as claimed in claim 8 for the effective filter of steel rolling Treatment of Sludge, it is characterized in that, the sidewall of described Filtrate collection device opening and position corresponding to live-roller are provided with the hole that tolerable live-roller passes, described hole inwall is provided with the ball for reducing live-roller and hole frictional force, and the opening part of described hole is provided with the rubber ring ensureing Filtrate collection device sealing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420432376.5U CN204073595U (en) | 2014-07-31 | 2014-07-31 | A kind of effective filter for steel rolling Treatment of Sludge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420432376.5U CN204073595U (en) | 2014-07-31 | 2014-07-31 | A kind of effective filter for steel rolling Treatment of Sludge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204073595U true CN204073595U (en) | 2015-01-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420432376.5U Withdrawn - After Issue CN204073595U (en) | 2014-07-31 | 2014-07-31 | A kind of effective filter for steel rolling Treatment of Sludge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204073595U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104128031A (en) * | 2014-07-31 | 2014-11-05 | 梁均全 | Efficient filtering device for steel rolling sludge treatment |
| CN105413291A (en) * | 2015-12-20 | 2016-03-23 | 重庆德蒙特科技发展有限公司 | Flow-divided cutting fluid filter unit |
-
2014
- 2014-07-31 CN CN201420432376.5U patent/CN204073595U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104128031A (en) * | 2014-07-31 | 2014-11-05 | 梁均全 | Efficient filtering device for steel rolling sludge treatment |
| CN105413291A (en) * | 2015-12-20 | 2016-03-23 | 重庆德蒙特科技发展有限公司 | Flow-divided cutting fluid filter unit |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150107 Effective date of abandoning: 20160511 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |