Pretreatment method for soil detection
The invention discloses a pretreatment method for soil detection in the field of soil detection, which comprises the following steps: soil pretreatment: pre-drying soil, pouring the soil along a feed opening of a pretreatment device, primarily crushing the soil by a crushing roller, grinding, prehea...
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| creator | LIU LIPING MENG JINLIU ZHONG DONGLIAN DING MING |
| description | The invention discloses a pretreatment method for soil detection in the field of soil detection, which comprises the following steps: soil pretreatment: pre-drying soil, pouring the soil along a feed opening of a pretreatment device, primarily crushing the soil by a crushing roller, grinding, preheating and heating the soil by a friction ball on a sieve plate, sieving the soil by passing through sieve pores, and transversely purging the soil by a fan at a constant air speed, a first container and a second container in the pretreatment device are used for collecting heavy metal-containing soil and common soil respectively; microwave digestion: the heavy metal-containing soil falls down along the long pipe end of the U-shaped pipe and is deposited at the bottom of the U-shaped pipe, an acid solution and a defoaming agent are sequentially added, the microwave emitter is started for microwave digestion, and a digestion solution is obtained; preparing constant-volume liquid: starting a suction pump to suck the dig |
| format | Patent |
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microwave digestion: the heavy metal-containing soil falls down along the long pipe end of the U-shaped pipe and is deposited at the bottom of the U-shaped pipe, an acid solution and a defoaming agent are sequentially added, the microwave emitter is started for microwave digestion, and a digestion solution is obtained; preparing constant-volume liquid: starting a suction pump to suck the dig</description><language>chi ; eng</language><subject>INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES ; MEASURING ; OTHER SEPARATING BY DRY METHODS APPLICABLE TO BULK MATERIAL,e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL ; PERFORMING OPERATIONS ; PHYSICS ; SEPARATING SOLIDS FROM SOLIDS ; SEPERATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, ORSIFTING OR BY USING GAS CURRENTS ; SORTING ; TESTING ; TRANSPORTING</subject><creationdate>2024</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=20240709&DB=EPODOC&CC=CN&NR=118310827A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25562,76317</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20240709&DB=EPODOC&CC=CN&NR=118310827A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>LIU LIPING</creatorcontrib><creatorcontrib>MENG JINLIU</creatorcontrib><creatorcontrib>ZHONG DONGLIAN</creatorcontrib><creatorcontrib>DING MING</creatorcontrib><title>Pretreatment method for soil detection</title><description>The invention discloses a pretreatment method for soil detection in the field of soil detection, which comprises the following steps: soil pretreatment: pre-drying soil, pouring the soil along a feed opening of a pretreatment device, primarily crushing the soil by a crushing roller, grinding, preheating and heating the soil by a friction ball on a sieve plate, sieving the soil by passing through sieve pores, and transversely purging the soil by a fan at a constant air speed, a first container and a second container in the pretreatment device are used for collecting heavy metal-containing soil and common soil respectively; 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microwave digestion: the heavy metal-containing soil falls down along the long pipe end of the U-shaped pipe and is deposited at the bottom of the U-shaped pipe, an acid solution and a defoaming agent are sequentially added, the microwave emitter is started for microwave digestion, and a digestion solution is obtained; preparing constant-volume liquid: starting a suction pump to suck the dig</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING OTHER SEPARATING BY DRY METHODS APPLICABLE TO BULK MATERIAL,e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL PERFORMING OPERATIONS PHYSICS SEPARATING SOLIDS FROM SOLIDS SEPERATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, ORSIFTING OR BY USING GAS CURRENTS SORTING TESTING TRANSPORTING |
| title | Pretreatment method for soil detection |
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