CN203017830U - Continuous type sand filter - Google Patents
Continuous type sand filter Download PDFInfo
- Publication number
- CN203017830U CN203017830U CN 201220706730 CN201220706730U CN203017830U CN 203017830 U CN203017830 U CN 203017830U CN 201220706730 CN201220706730 CN 201220706730 CN 201220706730 U CN201220706730 U CN 201220706730U CN 203017830 U CN203017830 U CN 203017830U
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- Prior art keywords
- sand
- pipe
- filter
- lauter tub
- ring
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- 239000004576 sand Substances 0.000 title claims abstract description 128
- 239000010865 sewage Substances 0.000 claims abstract description 58
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 37
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 185
- 239000000377 silicon dioxide Substances 0.000 claims description 35
- 238000005406 washing Methods 0.000 claims description 30
- 239000007788 liquid Substances 0.000 claims description 15
- 238000009287 sand filtration Methods 0.000 claims description 14
- 230000001105 regulatory effect Effects 0.000 claims description 12
- 239000013049 sediment Substances 0.000 claims description 11
- 238000001914 filtration Methods 0.000 abstract description 45
- 238000011010 flushing procedure Methods 0.000 abstract description 4
- 101150114468 TUB1 gene Proteins 0.000 description 10
- 239000003344 environmental pollutant Substances 0.000 description 10
- 231100000719 pollutant Toxicity 0.000 description 10
- 238000004140 cleaning Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 238000006073 displacement reaction Methods 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- 238000011001 backwashing Methods 0.000 description 3
- 206010016256 fatigue Diseases 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
The utility model discloses a continuous type sand filter. The continuous type sand filter comprises a filtering mechanism, wherein the filtering mechanism comprises a filtering drum, a sand filtering layer located in the filtering drum, and a sewage water inlet pipe arranged outside the filtering drum, wherein a water distributer is arranged in the sand filtering layer and is connected with the sewage water inlet pipe through a connecting pipe; the upper end of the filtering drum is provided with a water outlet pipe; the filtering drum is internally provided with a sand filtering back-flushing mechanism; the sand filtering back-flushing mechanism comprises a gas stripping pipe and a sand washer connected with the upper end of the gas stripping pipe; the sand washer is connected with a sewage discharge pipe; the lower end of the gas stripping pipe is communicated with the sand filtering layer; and the lower end of the filtering drum is also provided with a gas inlet pipe extending into the gas stripping pipe. According to the continuous type sand filter, the sand filtering back-flushing mechanism and the filtering mechanism can work simultaneously, so that the continuous running of the sand filter is guaranteed and the filtering efficiency of sewage is increased.
Description
Technical field
The utility model relates to a kind of water treatment filter plant, relates in particular to a kind of continuous sand filtration device.
Background technology
Sand filter can be with the suspended substance removal in water, to reach the purpose of cleaning sewage, because of the extensive use in sewage disposal of its good filtration effect as a kind of water filtration device.the normal sands filter generally comprises filtration system and washed-out sand system, wherein filtration system comprises lauter tub, the sewage inducting tubes that is connected with lauter tub, be arranged in the sand filter blanket (being piled by sand grains) of lauter tub, be arranged at water-locator and outlet pipe in sand filter blanket, during filtration, sewage enters water-locator from sewage inducting tubes, enter sand filter blanket through water-locator, and through sand filter blanket the time, pollution impurity in sewage will be stayed in sand filter blanket, sewage changes clear water into is discharged outside lauter tub by outlet pipe, sand grains in sand filter blanket is polluted because holding back lower pollution impurity, in order not affect filter effect, after need to utilizing the washed-out sand system that the sand grains that pollutes is cleaned, it is returned to sand filter blanket, washed-out sand water effluxes.In common sand filter, the filter sand backwash process is to carry out under the condition that stops filtering, and can have influence on like this continuity of sand filter operation and reduce sewage treating efficiency, and the meeting of backwash simultaneously increases flushing device, improves energy consumption.
Chinese patent Granted publication number: CN201643816, November 24 2010 Granted publication day, a kind of sand filter is disclosed, comprise filtration system, the water knockout drum that described filtration system comprises lauter tub, sewage inducting tubes, is arranged in the sand filter blanket of lauter tub and is placed in sand filter blanket, water knockout drum comprises main water inlet tube and a plurality of distributive pipe, and main water inlet tube is connected with described sewage inducting tubes and described distributive pipe respectively, and the combined shaped of distributive pipe is the umbrella stand type.Its weak point is that the filter sand backwash process in this kind sand filter can not synchronously carry out with filter process, stops the rear filter sand cleaning of just carrying out and need to filter, and has so just affected sand filter and has filtered the continuity of sewage and reduce sewage water filtration efficient.
The utility model content
In sand filter of the prior art, the filter sand backwash process need to carry out under the condition that stops filtering the utility model in order to overcome, thereby affect the successional deficiency with reducing sewage water filtration efficient of equipment operation, provide a kind of filter sand backwash and sewage water filtration to carry out simultaneously, thereby guaranteed the continuous sand filtration device of operation continuity and raising sewage water filtration efficient.
To achieve these goals, the utility model adopts following technical scheme:
a kind of continuous sand filtration device, comprise filter mechanism, described filter mechanism comprises lauter tub, be positioned at the sand filter blanket of lauter tub, be located at the sewage inlet pipe in the lauter tub outside, be provided with water-locator in described sand filter blanket, described water-locator is connected by tube connector with described sewage inlet pipe, the upper end of described lauter tub also is provided with outlet pipe, also be provided with filter sand backwash mechanism in described lauter tub, described filter sand backwash mechanism comprises stripping tube and the sand-washing device that is connected with the stripping tube upper end, be connected with blow-off pipe on described sand-washing device, the lower end of described stripping tube and filter sand layer connect, the lower end of described lauter tub also is provided with the air inlet pipe that stretches in stripping tube.sewage enters in water-locator from sewage inlet pipe, sewage in water-locator flows in sand filter blanket uniformly, solid particle in sewage and suspension are filtered out by sand filter blanket like this, clear water after filtration flows out lauter tub from the outlet pipe of top, carrying out filter sand when filtering rinses: during air inlet pipe passes into stripping tube with compressed air, in lauter tub bottom formation negative pressure, the filter sand that the used band in lauter tub bottom pollutes is sucked to enter in sand-washing device in stripping tube by air-flow and cleans, thereby make pollutant and filter sand break away from, the filter sand of cleaning is got back in lauter tub from sand-washing device, the pollutant that breaks away from filter sand is along with current are discharged from blow-off pipe, therefore, filter sand backwash and sewage water filtration two processes and are carried out simultaneously, thereby guarantee the continuous operation of sand filter, improved greatly sewage water filtration efficient.
As preferably, described water-locator comprises the some water pipes that radially distribute, and is provided with uniformly apopore on described water pipe, and the center of described water-locator is connected with the lower end of tube connector.The radial distribution of water-locator, after sewage entered water-locator from sewage inlet pipe like this, sewage can flow to uniformly sand filter blanket and contact with sand grains evenly, good filtration effect.
As preferably, described stripping tube runs through the tube connector two ends and is concentric distribution with tube connector, and the upper end of stripping tube penetrates in sand-washing device.Stripping tube and tube connector are double-decker, have saved the space in lauter tub.
As preferably, the upper end of described sand-washing device is provided with interior scum silica frost back-up ring, the outside of described interior scum silica frost back-up ring is provided with outer scum silica frost back-up ring, the outside of described outer scum silica frost back-up ring is provided with scum silica frost bucket groove, distribute with one heart between described interior scum silica frost back-up ring, outer scum silica frost back-up ring, this three of scum silica frost bucket groove, the inner of blow-off pipe is communicated with the side of scum silica frost bucket groove, and stretch out outside lauter tub the outer end of blow-off pipe.Interior scum silica frost back-up ring can prevent that the filter sand that the rising bubble explosion causes in stripping tube from splashing, and filter sand is fallen after rise along sand-washing device smoothly, and outer scum silica frost back-up ring can prevent further that backwashing water from bringing filter sand into blow-off pipe.
As preferably, cooperation place with stripping tube in described sand-washing device is provided with labyrinth structure, described labyrinth structure comprise several parallel be distributed in ring in tapers on the sand-washing device inwall and several be arranged on the stripping tube lateral wall and with taper in the taper outer shroud that is interspersed of ring, be provided with the gap between ring and described taper outer shroud in described taper.Sand grains in sand-washing device and pollutant can fall back to from labyrinth structure in filter cylinder after breaking away from, and labyrinth structure can increase the cleaning distance of backwashing water and sand grains, and the pollutant that adheres on sand grains is further come off, and backwash effect is better.
As preferably, the lower end side of described stripping tube is connected with the sediment outflow pipe, and stretch out outside lauter tub the outer end of described sediment outflow pipe, and the outer end of sediment outflow pipe is provided with valve.After equipment uses, can the unnecessary filter sand in stripping tube be ejected by the sediment outflow pipe, prevent that filter sand from stopping up stripping tube.
As preferably, the lower end of described lauter tub is tapered, and the outside that described stripping tube is positioned at the water-locator lower end part is fixed with sand arranging device, is provided with for the back-up block that supports sand arranging device between described sand arranging device and the lauter tub lower end conical surface.Sand arranging device is separated into sand filter blanket two-layer; the upper strata is for filtering the filter sand of the pollutant in sewage; the filter sand of lower floor for polluting; the sand grains of lower floor sucks in sand-washing device under the effect of air-flow and cleans; then the sand grains after cleaning falls back to the upper strata and uses; get back to the upper strata after so just being equivalent to always the filter sand of sand filter blanket bottom is cleaned, and the filter sand of lower end, upper strata enters lower floor, realizes recycling.
As preferably, described sand arranging device integral body is taper seat, and its drift angle is between 100 °-140 °.Sand arranging device adopts pyramidal structure, makes the whereabouts that filter sand can stable and uniform, is unlikely to form long-pending sand.
As preferably, the upper end of described outlet pipe is connected with liquid level regulation apparatus, described liquid level regulation apparatus comprises the regulating sleeve that the upper end is communicated with lauter tub and the screw rod that is used for regulating the regulating sleeve height, and the lower end of described regulating sleeve and the port of outlet pipe are slidably connected.To realize adjusting the liquid level of outlet of the mouth of a river and blow-off pipe poor thereby liquid level regulation apparatus can adjust the height at the mouth of a river, when turbidity of sewage is higher, increases liquid level difference by adjusting screw(rod) and increase the sewage pipe displacement, improves the impurity discharge rate; Otherwise, when turbidity of sewage hangs down, reduce by adjusting screw(rod) the displacement that liquid level difference reduces sewage pipe, can satisfy the blowdown requirement.
Therefore, the utlity model has filter sand backwash and sewage water filtration and carry out simultaneously, thereby guarantee operation continuity and the beneficial effect that improves sewage water filtration efficient.
Description of drawings
Fig. 1 is a kind of structural representation of the present utility model.
Fig. 2 is the structural representation of water outlet of the present utility model.
Fig. 3 is A-A of the present utility model place cutaway view.
In figure: lauter tub 1 sand filter blanket 2 sewage inlet pipe 3 water-locator 4 tube connector 5 outlet pipe 6 stripping tube 7 sand-washing device 8 blow-off pipe 9 outer scum silica frost back-up ring 12 scum silica frost bucket groove 13 sediment outflow pipe 14 sand arranging device 15 back-up block 16 liquid level regulation apparatus 17 of the interior scum silica frost back-up ring 11 of air inlet pipe 10.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is further described:
a kind of continuous sand filtration device as shown in figures 1 and 3, comprise filter mechanism, filter mechanism comprises lauter tub 1, be positioned at the sand filter blanket 2 of lauter tub, be located at the sewage inlet pipe 3 in the lauter tub outside, be provided with water-locator 4 in sand filter blanket 2, water-locator 4 is connected by tube connector 5 with sewage inlet pipe 3, water-locator 4 comprises the water pipe that the six roots of sensation radially distributes, be provided with uniformly apopore on water pipe, the center of water-locator 4 is connected with the lower end of tube connector 5, the radial distribution of water-locator, after sewage enters water-locator from sewage inlet pipe like this, sewage can flow to uniformly sand filter blanket and contact with sand grains evenly, good filtration effect, as shown in Figure 2, the upper end of lauter tub 1 is provided with outlet pipe 6, also be provided with filter sand backwash mechanism in lauter tub 1, filter sand backwash mechanism comprises stripping tube 7 and the sand-washing device 8 that is connected with the stripping tube upper end, stripping tube 7 runs through the two ends of tube connector 5 and is concentric distribution with tube connector, the upper end of stripping tube 7 penetrates in sand-washing device 8, cooperation place with stripping tube 7 in sand-washing device 8 is provided with labyrinth structure, labyrinth structure comprise several parallel be distributed in ring in tapers on the sand-washing device inwall and several be arranged on the stripping tube lateral wall and with taper in the taper outer shroud that is interspersed of ring, be provided with the gap between ring and described taper outer shroud in taper, sand grains in sand-washing device and pollutant can fall back to from labyrinth structure in filter cylinder after breaking away from, labyrinth structure can increase the cleaning distance of backwashing water and sand grains, the pollutant that adheres on sand grains is further come off, backwash effect is better, the lower end of stripping tube 7 and filter sand layer 2 connect, the lower end of lauter tub 1 is provided with the air inlet pipe 10 that stretches in stripping tube 7, sewage enters in water-locator from sewage inlet pipe, sewage in water-locator flows in sand filter blanket uniformly, solid particle in sewage and suspension are filtered out by sand filter blanket like this, clear water after filtration flows out lauter tub from the outlet pipe of top, carrying out the filter sand backwash process when filtering: during air inlet pipe passes into stripping tube with compressed air, in lauter tub bottom formation negative pressure, the filter sand that the used band in lauter tub bottom pollutes is brought into to enter in sand-washing device in stripping tube by air-flow and is cleaned, thereby make pollutant and filter sand break away from, the filter sand of cleaning is got back in lauter tub from the taper ring labyrinth of sand-washing device, the pollutant that breaks away from filter sand is along with current are discharged from blow-off pipe, therefore, filter sand backwash and sewage water filtration two processes and are carried out simultaneously, thereby guarantee the continuous operation of sand filter, improved greatly sewage water filtration efficient, the upper end of sand-washing device 8 is provided with interior scum silica frost back-up ring 11, the upper end of interior scum silica frost back-up ring 11 is fixedly connected with the top of lauter tub, be provided with the gap between lower end and sand-washing device, the outside of interior scum silica frost back-up ring 11 is provided with outer scum silica frost back-up ring 12, lower end and the sand-washing device of outer scum silica frost back-up ring 12 are fixed, the height of upper end is concordant with the port of outlet pipe, the outside of outer scum silica frost back-up ring 12 is provided with scum silica frost bucket groove 13, the two ends up and down of scum silica frost bucket groove 13 respectively with the lauter tub top, sand-washing device is tightly connected, interior scum silica frost back-up ring 11, outer scum silica frost back-up ring 12, distribute with one heart between scum silica frost bucket groove 13 these threes, the inner of blow-off pipe 9 is communicated with the side of scum silica frost bucket groove 13, stretch out outside lauter tub 1 outer end of blow-off pipe 9, the upper end of outlet pipe 6 is connected with liquid level regulation apparatus 17, liquid level regulation apparatus 17 comprises the interior regulating sleeve that is communicated with of upper end and lauter tub 1 and the screw rod that is used for regulating the regulating sleeve height, the lower end of institute's regulating sleeve and the sealing of the port of outlet pipe 6 and energy relative sliding, to realize adjusting the liquid level of outlet of the mouth of a river and blow-off pipe poor thereby liquid level regulation apparatus can adjust the height at the mouth of a river, when turbidity of sewage is higher, increase liquid level difference by adjusting screw(rod) and increase the sewage pipe displacement, improve the impurity discharge rate, otherwise, when turbidity of sewage hangs down, reduce by adjusting screw(rod) the displacement that liquid level difference reduces sewage pipe, can satisfy the blowdown requirement, the lower end side of stripping tube 7 is connected with sediment outflow pipe 14, stretch out outside lauter tub 1 outer end of sediment outflow pipe 14, the outer end of sediment outflow pipe 14 is provided with valve, the lower end of lauter tub 1 is tapered, the outside that stripping tube 7 is positioned at water-locator 4 lower end parts is fixed with sand arranging device 15, be provided with between sand arranging device 15 and the lauter tub 1 lower end conical surface for the back-up block 16 that supports sand arranging device, sand arranging device 15 integral body are taper seat, its drift angle is 120 degree, sand arranging device is separated into sand filter blanket two-layer, the upper strata is for filtering the filter sand of the pollutant in sewage, the filter sand of lower floor for polluting, the filter sand of lower floor sucks in sand-washing device under the effect of air-flow and cleans, then the filter sand after cleaning falls back to the upper strata and uses, so just be equivalent to always getting back to the upper strata after the filter sand cleaning of sand filter blanket bottom, and the filter sand of lower end, upper strata enters lower floor, realization recycles, sand arranging device adopts taper, make the whereabouts that filter sand can stable and uniform, be unlikely to form long-pending sand.Therefore, the utlity model has filter sand backwash and sewage water filtration and carry out simultaneously, thereby guarantee operation continuity and the beneficial effect that improves sewage water filtration efficient.
Claims (9)
1. continuous sand filtration device, comprise filter mechanism, described filter mechanism comprises lauter tub (1), be positioned at the sand filter blanket (2) of lauter tub, be located at the sewage inlet pipe (3) in the lauter tub outside, be provided with water-locator (4) in described sand filter blanket (2), described water-locator (4) is connected by tube connector (5) with described sewage inlet pipe (3), the upper end of described lauter tub (1) is provided with outlet pipe (6), it is characterized in that, also be provided with filter sand backwash mechanism in described lauter tub (1), described filter sand backwash mechanism comprises stripping tube (7) and the sand-washing device (8) that is connected with the stripping tube upper end, be connected with blow-off pipe (9) on described sand-washing device (8), the lower end of described stripping tube (7) and filter sand layer (2) connect, the lower end of described lauter tub (1) is provided with the air inlet pipe (10) that stretches in stripping tube (7).
2. a kind of continuous sand filtration device according to claim 1, it is characterized in that, described water-locator (4) comprises the some water pipes that radially distribute, and is provided with uniformly apopore on described water pipe, and the center of described water-locator (4) is connected with the lower end of tube connector (5).
3. a kind of continuous sand filtration device according to claim 1, is characterized in that, described stripping tube (7) runs through tube connector (5) two ends and is concentric distribution with tube connector, and the upper end of stripping tube (7) penetrates in sand-washing device (8).
4. according to claim 1 and 2 or 3 described a kind of continuous sand filtration devices, it is characterized in that, the upper end of sand-washing device (8) is provided with interior scum silica frost back-up ring (11), the outside of described interior scum silica frost back-up ring (11) is provided with outer scum silica frost back-up ring (12), the outside of described outer scum silica frost back-up ring (12) is provided with scum silica frost bucket groove (13), distribute with one heart between described interior scum silica frost back-up ring (11), outer scum silica frost back-up ring (12), this three of scum silica frost bucket groove (13), the inner of blow-off pipe (9) is communicated with the side of scum silica frost bucket groove (13), and stretch out outside lauter tub (1) outer end of blow-off pipe (9).
5. a kind of continuous sand filtration device according to claim 4, it is characterized in that, cooperation place with stripping tube (7) in described sand-washing device (8) is provided with labyrinth structure, described labyrinth structure comprise several parallel be distributed in ring in tapers on sand-washing device (7) inwall and several be arranged on the stripping tube lateral wall and with taper in the taper outer shroud that is interspersed of ring, be provided with the gap between ring and described taper outer shroud in described taper.
6. according to claim 1 and 2 or 3 described a kind of continuous sand filtration devices, it is characterized in that, the lower end side of stripping tube (7) is connected with sediment outflow pipe (14), and stretch out outside lauter tub (1) outer end of described sediment outflow pipe (14), and the outer end of sediment outflow pipe (14) is provided with valve.
7. according to claim 1 and 2 or 3 described a kind of continuous sand filtration devices, it is characterized in that, the lower end of described lauter tub (1) is tapered, the outside that described stripping tube (7) is positioned at water-locator (4) lower end part is fixed with sand arranging device (15), is provided with for the back-up block (16) that supports sand arranging device between described sand arranging device (15) and lauter tub (1) the lower end conical surface.
8. a kind of continuous sand filtration device according to claim 7, is characterized in that, described sand arranging device (15) integral body is taper seat, and its drift angle is between 100 °-140 °.
9. a kind of continuous sand filtration device according to claim 1, it is characterized in that, the upper end of described outlet pipe (6) is connected with liquid level regulation apparatus (17), described liquid level regulation apparatus (17) comprises the interior regulating sleeve that is communicated with of upper end and lauter tub (1) and the screw rod that is used for regulating the regulating sleeve height, and the port of the lower end of described regulating sleeve and outlet pipe (6) is slidably connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220706730 CN203017830U (en) | 2012-12-20 | 2012-12-20 | Continuous type sand filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220706730 CN203017830U (en) | 2012-12-20 | 2012-12-20 | Continuous type sand filter |
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| Publication Number | Publication Date |
|---|---|
| CN203017830U true CN203017830U (en) | 2013-06-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220706730 Expired - Fee Related CN203017830U (en) | 2012-12-20 | 2012-12-20 | Continuous type sand filter |
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| Country | Link |
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| CN (1) | CN203017830U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104128268A (en) * | 2014-08-01 | 2014-11-05 | 尤云祥 | Vertical all-around cyclone dirt remover |
| CN104801078A (en) * | 2014-01-26 | 2015-07-29 | 青岛南车华轩水务有限公司 | Cross-flow moving bed filter device |
| CN104984572A (en) * | 2015-07-13 | 2015-10-21 | 江苏德立环保工程有限公司 | A high-efficiency active fluidized bed purifier |
| CN106422448A (en) * | 2016-11-01 | 2017-02-22 | 浙江升蓝环保科技有限公司 | Downward-flow type continuous sand filter and operating method thereof |
| CN106698539A (en) * | 2016-11-22 | 2017-05-24 | 中山市环保产业有限公司 | Fluidized bed sewage filter and sewage filtering method thereof |
| CN107308695A (en) * | 2017-07-14 | 2017-11-03 | 南京绿帝环保能源科技有限公司 | A kind of sand filter decolourized for oil product |
| CN108558022A (en) * | 2018-01-29 | 2018-09-21 | 山东佳星环保科技有限公司 | Fluidized bed sewage processor |
| CN109621504A (en) * | 2019-01-25 | 2019-04-16 | 倍杰特集团股份有限公司 | Efficient label lifting device |
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2012
- 2012-12-20 CN CN 201220706730 patent/CN203017830U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104801078A (en) * | 2014-01-26 | 2015-07-29 | 青岛南车华轩水务有限公司 | Cross-flow moving bed filter device |
| CN104128268A (en) * | 2014-08-01 | 2014-11-05 | 尤云祥 | Vertical all-around cyclone dirt remover |
| CN104128268B (en) * | 2014-08-01 | 2017-05-10 | 尤云祥 | Vertical all-around cyclone dirt remover |
| CN104984572A (en) * | 2015-07-13 | 2015-10-21 | 江苏德立环保工程有限公司 | A high-efficiency active fluidized bed purifier |
| CN106422448A (en) * | 2016-11-01 | 2017-02-22 | 浙江升蓝环保科技有限公司 | Downward-flow type continuous sand filter and operating method thereof |
| CN106698539A (en) * | 2016-11-22 | 2017-05-24 | 中山市环保产业有限公司 | Fluidized bed sewage filter and sewage filtering method thereof |
| CN107308695A (en) * | 2017-07-14 | 2017-11-03 | 南京绿帝环保能源科技有限公司 | A kind of sand filter decolourized for oil product |
| CN108558022A (en) * | 2018-01-29 | 2018-09-21 | 山东佳星环保科技有限公司 | Fluidized bed sewage processor |
| CN108558022B (en) * | 2018-01-29 | 2024-02-13 | 山东佳星环保科技有限公司 | Fluidized bed sewage treatment device |
| CN109621504A (en) * | 2019-01-25 | 2019-04-16 | 倍杰特集团股份有限公司 | Efficient label lifting device |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CB03 | Change of inventor or designer information |
Inventor after: Chen Hua Inventor after: Yang Lin Inventor after: He Huosheng Inventor after: Zhou Zhaofeng Inventor after: Cai Junchao Inventor after: Yu Xiuming Inventor after: Wang Wentao Inventor after: Zou Shengyi Inventor before: Yang Jiacun Inventor before: Chen Hua Inventor before: Yang Lin Inventor before: He Huosheng |
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| COR | Change of bibliographic data | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 311227 Zhejiang Nanyang Economic Development Zone, Hangzhou, Xiaoshan Patentee after: ZHEJIANG SUNLAND ENVIRONMENTAL TECHNOLOGY CO., LTD. Address before: 311227 Zhejiang Nanyang Economic Development Zone, Hangzhou, Xiaoshan Patentee before: Hangzhou Shenglan Environmental Protection Equipment Technology Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130626 Termination date: 20171220 |