Hole helicoid
The utility model relates to a hole helicoids which is a novel filling material for waste water and sewage treating apparatus, belonging to the technical field of environmental protection. The utility model is made of polyethylene, polypropylene, polyvinylchloride, or nylon, being of a ripple pipe s...
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| creator | TONG TIANYOU |
| description | The utility model relates to a hole helicoids which is a novel filling material for waste water and sewage treating apparatus, belonging to the technical field of environmental protection. The utility model is made of polyethylene, polypropylene, polyvinylchloride, or nylon, being of a ripple pipe shape, a pipe wall is composed of a plurality of ripple rings, a plurality of small holes are arranged on each ripple ring, and the small holes on adjacent ripple rings are staggered. The biological film adhered on the surface of the hole helicoid grows fast and stable, the scope of application of water quality and concentration is wide, the COD removal rate in the waste water and the sewage is high, and the management of operational maintenance is convenient. |
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The utility model is made of polyethylene, polypropylene, polyvinylchloride, or nylon, being of a ripple pipe shape, a pipe wall is composed of a plurality of ripple rings, a plurality of small holes are arranged on each ripple ring, and the small holes on adjacent ripple rings are staggered. The biological film adhered on the surface of the hole helicoid grows fast and stable, the scope of application of water quality and concentration is wide, the COD removal rate in the waste water and the sewage is high, and the management of operational maintenance is convenient.</description><edition>5</edition><language>eng</language><subject>CHEMISTRY ; CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATERTREATMENT OR WASTE MANAGEMENT ; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC ; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS ; METALLURGY ; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS ; TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE ; TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE</subject><creationdate>1993</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19930922&DB=EPODOC&CC=CN&NR=2142459Y$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76289</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19930922&DB=EPODOC&CC=CN&NR=2142459Y$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>TONG TIANYOU</creatorcontrib><title>Hole helicoid</title><description>The utility model relates to a hole helicoids which is a novel filling material for waste water and sewage treating apparatus, belonging to the technical field of environmental protection. 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The biological film adhered on the surface of the hole helicoid grows fast and stable, the scope of application of water quality and concentration is wide, the COD removal rate in the waste water and the sewage is high, and the management of operational maintenance is convenient.</description><subject>CHEMISTRY</subject><subject>CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATERTREATMENT OR WASTE MANAGEMENT</subject><subject>GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC</subject><subject>GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS</subject><subject>METALLURGY</subject><subject>TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS</subject><subject>TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE</subject><subject>TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1993</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZOD1yM9JVchIzclMzs9M4WFgTUvMKU7lhdLcDApuriHOHrqpBfnxqcUFicmpeakl8c5-RoYmRiamlpGRxkQoAQDu5R3z</recordid><startdate>19930922</startdate><enddate>19930922</enddate><creator>TONG TIANYOU</creator><scope>EVB</scope></search><sort><creationdate>19930922</creationdate><title>Hole helicoid</title><author>TONG TIANYOU</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN2142459YY3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>1993</creationdate><topic>CHEMISTRY</topic><topic>CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATERTREATMENT OR WASTE MANAGEMENT</topic><topic>GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC</topic><topic>GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS</topic><topic>METALLURGY</topic><topic>TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS</topic><topic>TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE</topic><topic>TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE</topic><toplevel>online_resources</toplevel><creatorcontrib>TONG TIANYOU</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>TONG TIANYOU</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Hole helicoid</title><date>1993-09-22</date><risdate>1993</risdate><abstract>The utility model relates to a hole helicoids which is a novel filling material for waste water and sewage treating apparatus, belonging to the technical field of environmental protection. 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| language | eng |
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| subjects | CHEMISTRY CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATERTREATMENT OR WASTE MANAGEMENT GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS METALLURGY TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE |
| title | Hole helicoid |
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