JPS6316596U - - Google Patents

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図〜第３図は本考案の実施例を示すもので
、第１図は本考案の脱水ローラの正面図、第２図
は第１図についての右側面図、第３図は前記脱水
ローラを適用したベルトプレス型脱水機の概略側
面図、第４図〜第８図はそれぞれ相違なる別の実
施例の正面図であり、第９図、第１０図はそれぞ
れ相異なる従来例の正面図である。 １，１ａ，１ｂ……ろ布、２，３……脱水ロー
ラ、４……排水溝、４ａ……平行排水溝、４ｂ…
…傾斜排水溝、４ｃ……垂直排水溝、５……突部
表面、６……ローラ軸、７……段部、Ａ……泥状
物、Ｂ……脱水ケーキ、Ｃａ……ローラ軸の中心
線、Ｃｗ……ローラ幅方向の中心線、Ｄ……溝深
さ、ｌ……長さ。 Figures 1 to 3 show examples of the present invention. Figure 1 is a front view of the dewatering roller of the present invention, Figure 2 is a right side view of Figure 1, and Figure 3 is the dewatering roller of the present invention. A schematic side view of a belt press type dehydrator to which rollers are applied, FIGS. 4 to 8 are front views of different embodiments, and FIGS. 9 and 10 are front views of different conventional examples. It is a diagram. 1, 1a, 1b... Filter cloth, 2, 3... Dewatering roller, 4... Drain groove, 4a... Parallel drain groove, 4b...
... Inclined drain, 4c... Vertical drain, 5... Projection surface, 6... Roller shaft, 7... Step, A... Sludge, B... Dehydrated cake, Ca... Roller shaft Center line, Cw... Center line in the roller width direction, D... Groove depth, l... Length.

Claims (1)

【実用新案登録請求の範囲】 (1) 無端状のろ布ベルトを対面重合状態で複数
個の脱水ローラに走行可能に掛装し、これらろ布
ベルト間で泥状物を挾圧して脱水する泥状物脱水
装置において、前記脱水ローラの少なくとも一つ
に、該ローラ円周面の２０〜８０％の面積をしめ
るように、ローラ軸方向に平行な平行排水溝、ロ
ーラ軸方向に垂直な垂直排水溝のいずれか少なく
とも一方と、ローラ軸方向に対して傾きをもたせ
た傾斜排水溝とを、ローラ幅方向の中心線に関し
て対称的に、かつ互いに交叉した形体に穿設せし
めると共に、これらの排水溝がローラ端面に達す
る連通溝となるように構成したことを特徴とする
泥状物脱水装置の脱水ローラ。 (2) 前記脱水ローラが、金属等の硬質材料によ
るローラ周面に不透水性の弾性部材を被覆したも
のである実用新案登録請求の範囲第１項記載の脱
水ローラ。[Scope of Claim for Utility Model Registration] (1) An endless filter cloth belt is movably hung over a plurality of dewatering rollers in a face-to-face polymerized state, and sludge is squeezed and dehydrated between these filter cloth belts. In the sludge dewatering device, at least one of the dewatering rollers has a parallel drainage groove parallel to the roller axis direction and a vertical drainage groove perpendicular to the roller axis direction so as to cover an area of 20 to 80% of the roller circumferential surface. At least one of the drainage grooves and an inclined drainage groove inclined with respect to the roller axis direction are formed symmetrically with respect to the center line in the roller width direction and cross each other, and these drainage grooves are 1. A dewatering roller for a sludge dewatering device, characterized in that the groove is configured to be a communicating groove that reaches the end face of the roller. (2) The dewatering roller according to claim 1, wherein the dehydrating roller is made of a hard material such as metal and has a circumferential surface coated with a water-impermeable elastic member.