JPS63107758A - Apparatus for dehydrating and desalting sea sand - Google Patents
Apparatus for dehydrating and desalting sea sandInfo
- Publication number
- JPS63107758A JPS63107758A JP20917686A JP20917686A JPS63107758A JP S63107758 A JPS63107758 A JP S63107758A JP 20917686 A JP20917686 A JP 20917686A JP 20917686 A JP20917686 A JP 20917686A JP S63107758 A JPS63107758 A JP S63107758A
- Authority
- JP
- Japan
- Prior art keywords
- screen
- sea sand
- sand
- sea
- dewatering
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000004576 sand Substances 0.000 title claims abstract description 60
- 238000011033 desalting Methods 0.000 title abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 43
- 238000005406 washing Methods 0.000 claims abstract description 21
- 239000002245 particle Substances 0.000 claims abstract description 14
- 239000013535 sea water Substances 0.000 claims abstract description 14
- 230000018044 dehydration Effects 0.000 claims abstract description 9
- 238000006297 dehydration reaction Methods 0.000 claims abstract description 9
- 239000013505 freshwater Substances 0.000 claims abstract description 4
- 238000010612 desalination reaction Methods 0.000 claims description 25
- 238000004140 cleaning Methods 0.000 claims description 7
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 150000003839 salts Chemical class 0.000 claims description 3
- 239000003657 drainage water Substances 0.000 claims description 2
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 2
- 238000005507 spraying Methods 0.000 claims description 2
- 239000010865 sewage Substances 0.000 claims 1
- 239000007921 spray Substances 0.000 claims 1
- 239000002351 wastewater Substances 0.000 claims 1
- 238000007599 discharging Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000010419 fine particle Substances 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Landscapes
- Separation Of Solids By Using Liquids Or Pneumatic Power (AREA)
Abstract
Description
【発明の詳細な説明】
本発明は、コンクリート用細骨材として用いる海砂の脱
水および脱塩装置に関するものである。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an apparatus for dewatering and desalting sea sand used as fine aggregate for concrete.
コンクリート用細骨材として、近年、河用砂の枯渇に伴
い、海砂が代替品として用いられるようになった。出熱
、海砂は、塩分を多量に含有するために、コンクリート
の塩害による、鉄筋の腐食およびそれに伴なうコンクリ
ートのひび割れや剥離等の劣化を防止するため、必ず脱
ｊＪＪが必要である。In recent years, sea sand has come to be used as a substitute for fine aggregate for concrete due to the depletion of river sand. Since sea sand contains a large amount of salt, it is necessary to remove it in order to prevent corrosion of reinforcing bars and accompanying deterioration such as cracking and peeling of concrete due to salt damage to concrete.
従来技術における海砂の脱塩は、海砂採取船上または陸
−ヒ上場における散水設備で説１１Ｘを行うのが一般的
であった。Desalination of sea sand in the prior art has generally been carried out using water spraying equipment on board a sea sand collecting vessel or on land-based ships.
散水設備を有する脱塩装置においては、多量の水を用い
、長時間洗ｆ′Ｉ＋を行なっても均一な脱塩が出来ず、
処理能力も高くないため、匝転コストが高くついた。In desalination equipment equipped with water sprinkling equipment, even if a large amount of water is used and washing f'I+ is performed for a long time, uniform desalination cannot be achieved.
Because the processing capacity was not high, rolling costs were high.
本発明は、上記の諸問題を改善したものであり、以下に
示す、脱水および脱塩装置を提供する事を目的とする。The present invention improves the above-mentioned problems, and aims to provide a dehydration and desalination apparatus as shown below.
■ 従来の散水設備を有する脱塩装置に比較して、占有
面積を少なく出来るため、数基並列に並べることが出来
るコンパクトな脱水および脱塩装置。■ Compact dewatering and desalination equipment that can be lined up in parallel, as it occupies less space than conventional desalination equipment with sprinkler equipment.
２ 洗浄水を回収し、再利用する構造の為、省エネルギ
ーをはかれる脱水および脱塩装置。2 Dehydration and desalination equipment that saves energy because it has a structure that collects and reuses washing water.
３ 従来装置に比較して、連続的に高能率でかつ均一な
脱塩が行なわれる脱水および説ｆｉｌ装置。3. A dehydration and filtration device that performs continuous, highly efficient and uniform desalination compared to conventional devices.
４ 各スクリーンを通すことにより、きわめて均一に微
粒除去がなされた海砂を得られかつ、水νノリが早く行
なわれる脱水および脱塩装置。4. A dewatering and desalting device that can obtain sea sand from which fine particles have been removed extremely uniformly by passing it through each screen, and which can rapidly dissolve water.
以下に本発明の実施例について説明する。 Examples of the present invention will be described below.
第１図は、全体の構成の説明図である。第１図において
、４は受水槽でスクリーン架台２７の上部に設けられ、
サンドポンプ等により、汲み上げた海砂と海水を一旦収
納するものであるこの受水槽４の排出口から排出された
海砂は、上記スクリーン架台２７の中央部に設けた異物
および荒目砂除去用弧状スクリーン６に流れ落ちる。FIG. 1 is an explanatory diagram of the overall configuration. In FIG. 1, 4 is a water tank provided on the top of the screen frame 27,
The sea sand discharged from the outlet of this water receiving tank 4, which temporarily stores the sea sand and sea water pumped up by a sand pump, etc., is removed by a filter installed in the center of the screen mount 27 for removing foreign matter and coarse sand. It flows down onto the arc-shaped screen 6.
この弧状スクリーン６により、一定粒度以上の異物もし
くは、１１１３砂は異物および荒目砂（」・出コンベア
７に落下し、排出される。Due to this arc-shaped screen 6, foreign matter or 1113 sand of a certain particle size or more falls onto the conveyor 7 and is discharged.
一定粒度以下の海砂は、前記スクリーン架台２７の下部
に設けた前記異物および荒目砂除去用弧状スクリーン６
の下方に位置する海水脱水用彊状スクリーン８により脱
水される。脱水された海砂は、この海水脱水用弧状スク
リーン８の下方前面に位置し、前半部と後半部から構成
され、はぼ水平または上り傾斜に設置された一体型説塩
洗浄用スクリーンｌＯに流れ込む。Sea sand below a certain particle size is removed by the arc-shaped screen 6 provided at the bottom of the screen pedestal 27 for removing foreign matter and coarse sand.
The seawater is dehydrated by a seawater dehydration ridge-shaped screen 8 located below the seawater. The dewatered sea sand flows into the integrated salinity washing screen 1O, which is located at the lower front of this arc-shaped seawater dewatering screen 8, consists of a front half and a back half, and is installed horizontally or upwardly. .
なお、前記海水脱水用弧状スクリーン８のスリット目以
下の粒度のｉｍ砂および、海水は排水バイブ９から排出
される。前記脱塩洗浄用スクリーン１０は、脱塩洗浄用
スクリーン用エキセン・トリック駆動部１１によって、
前後方向に揺！！ＩＪ運動を行なうために、前記脱塩洗
浄用スクリーン１０１に流れ込んだＷＩＮ砂は１頭次移
動することになる。Incidentally, im sand having a particle size equal to or smaller than the slit size of the arc-shaped seawater dehydration screen 8 and seawater are discharged from the drainage vibrator 9. The desalination cleaning screen 10 is driven by an eccentric drive unit 11 for desalination cleaning screen.
Shake back and forth! ! In order to perform the IJ movement, the WIN sand that has flowed into the desalination cleaning screen 101 moves one by one.
その際、前半部においては、一旦回収された洗浄水が洗
浄水リサイクルポンプ１３により汲み上げられ、洗炸水
噴射ノズル１４によって、上方部から均一に海砂に噴射
される。At this time, in the first half, the once collected wash water is pumped up by the wash water recycle pump 13 and uniformly sprayed onto the sea sand from the upper part by the wash water injection nozzle 14.
前記一体型脱塩洗浄用スクリーン１０から垂れ落ちた洗
浄水は下方にある排水用受水ホッパー２６に集められ洗
浄水初出バイブ１５から排出される。The washing water dripping from the integrated desalination washing screen 10 is collected in a drainage water receiving hopper 26 located below and is discharged from the washing water initial discharge vibrator 15.
次に、後半部においては、清水が洗浄水ｍｍポンプ１２
によって吸い上げられ、洗浄水噴射ノズル１４によって
１−刃部から均一に海砂に噴射される。海砂の粒度構成
によって洗浄水のリサイクル回数を増減する。Next, in the latter half, fresh water is supplied to the washing water mm pump 12.
The water is sucked up by the cleaning water jet nozzle 14 and uniformly sprayed onto the sea sand from the first blade part. The number of times washing water is recycled can be increased or decreased depending on the particle size composition of sea sand.
前記一体型脱ｊＩ！洗浄用スクリーンｌＯから、垂れ落
ちた洗浄水は、下方にある回収水用受水ホッパー２６に
集められた後、送水管によって、洗浄水リサイクルポン
プ１３の吸い込み側に送られる。The above-mentioned integrated de-jI! The washing water dripping down from the washing screen IO is collected in the collected water receiving hopper 26 located below, and then sent to the suction side of the washing water recycling pump 13 through a water pipe.
さらに、脱塩を行なった海砂は、順次、脱水スクリュー
コンベア１６に送り込まれ、脱水されて、脱塩海砂集合
コンベア１７等に集められる。Further, the desalinated sea sand is sequentially fed to a dewatering screw conveyor 16, dehydrated, and collected on a desalinated sea sand collection conveyor 17, etc.
木実流側では、受水槽に収納された海砂は、直接排出口
から排出される構造であったが、本発明の脱水および脱
塩装置を１のユニットとして並列に複数並べることによ
り、より多量の脱１！１を行なうことも可能であり、そ
の際には、前記受水槽には調整ゲート５を設けて、適宜
、各ユニットに均一に分配することが出来る。On the wood flow side, the sea sand stored in the water receiving tank was discharged directly from the outlet, but by arranging multiple dewatering and desalting devices of the present invention in parallel as one unit, the sea sand stored in the water receiving tank was discharged directly from the outlet. It is also possible to remove a large amount of 1!1, and in that case, the water receiving tank can be provided with an adjustment gate 5 to uniformly distribute it to each unit as appropriate.
本発明による、海砂の脱水および脱塩装置は、次に示す
諸効果を有する。The sea sand dewatering and desalination apparatus according to the present invention has the following effects.
ｌ 従来の散水設備を有する脱塩装置に比較して、占有
面積が少なくコンパクトに出来るため、数基並列に並べ
ることにより、船など限られたスペースに入れることが
出来る。l Compared to conventional desalination equipment with sprinkler equipment, it occupies less space and can be made more compact, so by lining up several units in parallel, it can be installed in a limited space such as a ship.
２ 連続的に、はぼ均一な状態で海砂が移動するため、
高能率に均一な脱水および脱塩を行な−１ことが出来る
。2. Sea sand moves continuously and almost uniformly, so
Uniform dehydration and desalination can be performed with high efficiency.
３ 各スクリーンを通すことにより、きわめて均一に微
粒除去がなされた海砂が１１４られる。3. By passing through each screen, sea sand 114 from which fine particles have been removed extremely uniformly is obtained.
４ 洗浄水は、循環させ、回収した水を再利用する構造
のため、貯水量が少なくてすみ、省エネルギーがはかれ
る。4. Because the cleaning water is circulated and the collected water is reused, the amount of water stored is small, resulting in energy savings.
図面は本発明の一実施例を示すもので、第１図は１本装
置を説明する全体の構成の説明図である。
４・・・・・・受水槽、 ５・・・・・・調整ゲート
。
６・・・・・・異物および荒目砂除去用弧状スクリーン
７・・・・・・異物および荒目砂排出用コンベア、
８・・・・・・海水脱水用弧状スクリーン。
９・・・・・・排水パイプ。
１０・・・・・・脱塩洗節用スクリーン、１１・・・・
・・説用洗浄スクリーン用エキセン・トラリフ”！Ａ
！！ＪＪ部１２・・・・・・洗ｎ１水吸い上げ用ポンプ
、１３・・・・・・洗ｎ１水リサイクル川ポンプ、１４
・・・・・・洗浄水噴射ノズル、
１５・・・・・・洗浄水排出パイプ、
１６・・・・・・脱水スクリューコンベア。
１７・・・・・・脱塩海砂川コンベア。
２６・・・・・・回収水用受木ホッパー、２７・・・・
・・スクリーン架台、
２８・・・・・・清水タンク
天 本 芳 子
４、代理人
６．補正の対象：明Ｊｍｇの発明の詳細な説明の欄およ
び図面
７、補正の内容
ｌ）本願明細書第３頁第１３行目を「３、発明の詳細な
説明、」と訂正する。The drawings show one embodiment of the present invention, and FIG. 1 is an explanatory diagram of the overall configuration of one apparatus. 4...Water tank, 5...Adjustment gate. 6... Arc-shaped screen for removing foreign matter and coarse sand 7... Conveyor for discharging foreign matter and coarse sand, 8... Arc-shaped screen for seawater dehydration. 9... Drain pipe. 10... Screen for desalination washing, 11...
・・Eccentric tri-lift for cleaning screen”!A
! ! JJ section 12...Wash n1 water suction pump, 13...Wash n1 water recycling river pump, 14
...Cleansing water injection nozzle, 15...Cleansing water discharge pipe, 16...Dewatering screw conveyor. 17...Desalination sea sunagawa conveyor. 26... Tree receiving hopper for recovered water, 27...
... Screen mount, 28 ... Shimizu tank Yoshiko Amamoto 4, agent 6. Target of amendment: Column of Detailed Description of the Invention of Akira Jmg and Drawing 7, Contents of Amendment 1) Line 13 of page 3 of the specification of the present application is corrected to read "3. Detailed Description of the Invention."
Claims (1)
り海砂を分離し、且つ分離された海砂の付着塩分を洗浄
する装置であって、 所望の粒径より大きい砂粒および異物を除 去するための第１のスクリーン６と、 所望の粒径より小さい砂粒および海水を除 去するための第２のスクリーン８と、 清水を散布して、海砂を洗滌するための第 ３のスクリーン１０を備えたことを特徴とする海砂の脱
水および脱塩装置。 ２ 第１のスクリーン６が弧状スクリーンであることを
特徴とする特許請求の範囲第１項に記載の海砂の脱水お
よび脱塩装置。 ３ 第２のスクリーン８が弧状スクリーンであることを
特徴とする特許請求の範囲第１項に記載の海砂の脱水お
よび脱塩装置。 ４ 第１のスクリーン６および第２のスクリーン８が架
台２７に第１のスクリーン６が第２のスクリーン８の上
方になるように配置されていることを特徴とする特許請
求の範囲第２項および第３項記載の海砂の脱水および脱
塩装置。 ５ 第３のスクリーン１０がほぼ水平または上り傾斜に
配置されており、且つ揺動運動を行ない上部に積載され
た海砂を入口部から出口部へ向ってほぼ水平方向または
上り傾斜に搬送するようにしたことを特徴とする特許請
求の範囲第１項に記載の海砂の脱水および脱塩装置。 ６ 第３のスクリーン１０の上方に清水散水用ノズル１
４が、また下方に海砂洗浄後の汚水を回収または捨棄さ
せる排水用受水ホッパー２６および洗浄水排出パイプ１
５を有することを特徴とする特許請求の範囲第５項に記
載の海砂の脱水および脱塩装置。 ７ 洗浄水噴射ノズル１４、排水用受水ホッパー２６お
よび洗浄水排出パイプ１５が第３のスクリーン１０上を
搬送される海砂の搬送方向に分割されており、後段の排
水用受水ホッパーおよび洗浄水排出パイプで回収された
汚水を前段の洗浄水噴射ノズルより噴射する様に構成し
たことを特徴とする特許請求の範囲第６項に記載の海砂
の脱水および脱塩装置。 ８ サンドポンプ等で汲み上げた海砂の混った海水を貯
蔵する受水槽４を第１のスクリーン６の上方に設けたこ
とを特徴とする特許請求の範囲第４項記載の海砂の脱水
および脱塩装置。[Scope of Claims] 1. A device for separating sea sand from seawater mixed with sea sand pumped up by a sand pump or the like, and cleaning adhering salt from the separated sea sand, the device having a particle size larger than a desired size. A first screen 6 for removing sand particles and foreign matter, a second screen 8 for removing sand particles smaller than a desired particle size and seawater, and a second screen 8 for spraying fresh water to wash sea sand. 1. A sea sand dewatering and desalination device, characterized in that it is equipped with three screens 10. 2. The sea sand dewatering and desalination apparatus according to claim 1, wherein the first screen 6 is an arc-shaped screen. 3. The sea sand dewatering and desalination apparatus according to claim 1, wherein the second screen 8 is an arc-shaped screen. 4. Claim 2, characterized in that the first screen 6 and the second screen 8 are arranged on the pedestal 27 so that the first screen 6 is above the second screen 8. The sea sand dewatering and desalination apparatus according to item 3. 5 The third screen 10 is disposed substantially horizontally or upwardly inclined, and performs a rocking motion to transport the sea sand loaded on the upper part in a substantially horizontal direction or upwardly inclined from the inlet to the outlet. The sea sand dehydration and desalination apparatus according to claim 1, characterized in that: 6 Fresh water spray nozzle 1 above the third screen 10
4 is also provided with a drainage water receiving hopper 26 and a washing water discharge pipe 1 for collecting or disposing of wastewater after washing the sea sand.
5. The sea sand dewatering and desalination apparatus according to claim 5, characterized in that it has: 7 The washing water injection nozzle 14, the water receiving hopper 26 for drainage, and the washing water discharge pipe 15 are divided in the transport direction of the sea sand transported on the third screen 10, and the water receiving hopper for drainage and the washing water in the latter stage are divided into 7. The sea sand dewatering and desalination apparatus according to claim 6, characterized in that the sewage collected by the water discharge pipe is injected from the washing water injection nozzle in the preceding stage. 8. Dewatering of sea sand according to claim 4, characterized in that a water receiving tank 4 for storing seawater mixed with sea sand pumped up by a sand pump or the like is provided above the first screen 6. Desalination equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20917686A JPS63107758A (en) | 1986-09-05 | 1986-09-05 | Apparatus for dehydrating and desalting sea sand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20917686A JPS63107758A (en) | 1986-09-05 | 1986-09-05 | Apparatus for dehydrating and desalting sea sand |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63107758A true JPS63107758A (en) | 1988-05-12 |
Family
ID=16568591
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20917686A Pending JPS63107758A (en) | 1986-09-05 | 1986-09-05 | Apparatus for dehydrating and desalting sea sand |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63107758A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112062488A (en) * | 2019-06-10 | 2020-12-11 | 刘贤铨 | Device and method for quickly desalting sea sand |
-
1986
- 1986-09-05 JP JP20917686A patent/JPS63107758A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112062488A (en) * | 2019-06-10 | 2020-12-11 | 刘贤铨 | Device and method for quickly desalting sea sand |
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