JPH036292U

JPH036292U -

Info

Publication number: JPH036292U
Application number: JP6724689U
Authority: JP
Priority date: 1989-06-07
Filing date: 1989-06-07
Publication date: 1991-01-22

Description

[Brief explanation of the drawing]

第１図ないし第５図はこの考案の実施例を示す
。第１図は風量調節装置の断面図、第２図は風量
調整弁の断面図、第３図は風量調整弁の斜視図、
第４図は本考案の一適用例を示す正面図、第５図
は第４図とは別の適用例を示す正面図である。第
６図は従来例の正面図である。１……乾燥装置、２……乾燥ユニツト、３……
送風管、３ａ……分岐送風管、４……乾燥ホツパ
ー、６……排気管、１０……風量調節装置、１５
……ピトー管、１６……圧力スイツチ、２０……
風量調整弁。 1 to 5 show embodiments of this invention. Fig. 1 is a sectional view of the air volume adjustment device, Fig. 2 is a sectional view of the air volume adjustment valve, and Fig. 3 is a perspective view of the air volume adjustment valve.
FIG. 4 is a front view showing one example of application of the present invention, and FIG. 5 is a front view showing another example of application of the invention. FIG. 6 is a front view of a conventional example. 1...Drying device, 2...Drying unit, 3...
Air pipe, 3a... Branch air pipe, 4... Drying hopper, 6... Exhaust pipe, 10... Air volume adjustment device, 15
... Pitot tube, 16 ... Pressure switch, 20 ...
Air volume adjustment valve.

Claims

[Claims for Utility Model Registration] (1) A drying gas air flow rate adjusting device in a drying apparatus that supplies drying gas to a drying hopper 4 through a blow pipe 3 to dry a material M to be dried in the drying hopper 4. At this time, a pitot tube 15 for detecting the dry gas air flow rate using dynamic pressure is connected to an appropriate position of the blower tube 3, and the pitot tube 1
An air volume adjustment valve 20 is provided in the air pipe 3 on the upstream or downstream side of the pipe 5, and a pressure switch 16 that detects the measured dynamic pressure is connected to the pitot pipe 15. A drying gas air flow rate adjusting device in a drying apparatus, characterized in that it is configured to be linked with a valve 20 and to adjust the degree of restriction of three air pipes of the air volume adjusting valve 20 in accordance with the detected value of the pressure switch 16. (2) Two or more drying hoppers 4 are provided, and each branch air pipe 3a of these drying hoppers 4 is provided with a pitot pipe 15, an air volume adjustment valve 20, and a pressure switch 16, respectively.Claim (1) A drying gas air flow rate adjusting device in the drying apparatus described above. (3) An exhaust pipe 6 is connected to the drying hopper 4, and the exhaust pipe 6 is connected to the air blowing source 2a to form an exhaust circulation circuit (1) or (2). Drying gas airflow adjustment device for drying equipment.