JPH0226031U - - Google Patents

Description

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

図は何れもこの考案の実施例を示す。第１図は
第１実施例の要部縦断面図、第２図は第１図の平
面図、第３図は第１図の適用例を示した側面図、
第４図は空吹し用ガス供給ノズルが複数の場合の
平面図、第５図は環状スリツトの変形例を示す縦
断面図、第６図は第２実施例の要部縦断面図、第
７図は第６図の適用例を示した側面図、第８図は
第３実施例の要部縦断面図である。 Ｔ……気力輸送装置、１……材料供給源、２…
…供給機、３……輸送管、４……捕集器、５，５
ａ……気力源、１４……噴出孔、２０……材料充
填室、２１……材料出口、２２……材料輸送用ガ
スノズル、３０……輸送短管、３１……内筒、３
２……外周側壁、３３……絞り部、３４……邪魔
板部、４１……外筒、４２……内周側壁、４３…
…環状スリツト、４５……空吹し用ガス供給ノズ
ル、５０……輸送路、５８……２次空気導入孔、
６０……切替弁、６１……空吹し用ガス管、６２
……ガス排気管。 Each figure shows an embodiment of this invention. FIG. 1 is a vertical sectional view of the main part of the first embodiment, FIG. 2 is a plan view of FIG. 1, and FIG. 3 is a side view showing an example of application of FIG.
FIG. 4 is a plan view of a case where there are a plurality of air blowing gas supply nozzles, FIG. 5 is a vertical sectional view showing a modification of the annular slit, and FIG. 6 is a vertical sectional view of the main part of the second embodiment. FIG. 7 is a side view showing an example of application of FIG. 6, and FIG. 8 is a vertical sectional view of a main part of the third embodiment. T...Pneumatic transportation device, 1...Material supply source, 2...
...Feeder, 3...Transport pipe, 4...Collector, 5,5
a...Air power source, 14...Blowout hole, 20...Material filling chamber, 21...Material outlet, 22...Gas nozzle for material transportation, 30...Transportation short pipe, 31...Inner cylinder, 3
2... Outer circumferential side wall, 33... Throttle part, 34... Baffle plate part, 41... Outer cylinder, 42... Inner circumferential side wall, 43...
...Annular slit, 45...Air blowing gas supply nozzle, 50...Transportation path, 58...Secondary air introduction hole,
60...Switching valve, 61...Dry blowing gas pipe, 62
...Gas exhaust pipe.

Claims (1)

【実用新案登録請求の範囲】 (1) 供給機２内に充填された材料Ｍを材料輸送
用ガスノズル２２からのガスにより輸送管３を経
て目的地へ輸送するようにしてなる気力輸送装置
における残材除去装置において、 前記供給機２の材料出口２１と輸送管３との間
には輸送短管３０を接続するとともに、 この輸送短管３０は、外周側壁３２の少なくと
も先端を少し絞つて絞り部３３を形成し、かつ基
端部を供給機２の材料出口２１に連結した内筒３
０と、 内周側壁４２と内筒３１の外周側壁３２との間
に形成した環状スリツト４３と、環状スリツト４
３へ空吹し用ガスを供給する空吹し用ガス供給ノ
ズル４５とを設けた外筒４１とで形成し、 材料輸送完了時に前記空吹し用ガス供給ノズル
４５よりガスを材料の流れ方向のみへ供給して輸
送路５０中の残材を除去するように構成してある
ことを特徴とする気力輸送装置における残材除去
装置。 (2) 前記輸送管３は輸送すべき材料の径の数倍
の内径をもつ小口径のチユーブ状に形成してある
請求項第(1)項記載の気力輸送装置における残材
除去装置。[Scope of Claim for Utility Model Registration] (1) Remains in a pneumatic transport device that transports the material M filled in the feeder 2 to the destination via the transport pipe 3 using gas from the material transport gas nozzle 22. In the material removal device, a short transport pipe 30 is connected between the material outlet 21 of the feeder 2 and the transport pipe 3, and the short transport pipe 30 is formed by slightly constricting at least the tip of the outer peripheral side wall 32 to form a constricted part. 33 and whose base end is connected to the material outlet 21 of the feeder 2
0, an annular slit 43 formed between the inner peripheral side wall 42 and the outer peripheral side wall 32 of the inner cylinder 31, and the annular slit 4.
3, and an outer cylinder 41 provided with a blank blowing gas supply nozzle 45 for supplying blank blowing gas to the blank blowing gas supply nozzle 45, and when the material transportation is completed, gas is supplied from the blank blowing gas supply nozzle 45 in the flow direction of the material. A residual material removal device in a pneumatic transportation device, characterized in that the device is configured to remove residual materials in a transport path 50 by supplying the residual materials only to the transport path 50. (2) A residual material removal device in a pneumatic transport device according to claim (1), wherein the transport pipe 3 is formed in the shape of a small-diameter tube having an inner diameter several times the diameter of the material to be transported.