JPS5839862Y2 - Hopper dryer attached to synthetic resin molding machine - Google Patents
Hopper dryer attached to synthetic resin molding machineInfo
- Publication number
- JPS5839862Y2 JPS5839862Y2 JP10316878U JP10316878U JPS5839862Y2 JP S5839862 Y2 JPS5839862 Y2 JP S5839862Y2 JP 10316878 U JP10316878 U JP 10316878U JP 10316878 U JP10316878 U JP 10316878U JP S5839862 Y2 JPS5839862 Y2 JP S5839862Y2
- Authority
- JP
- Japan
- Prior art keywords
- switching valve
- dehumidifying
- heater
- hoppers
- drying
- 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.)
- Expired
Links
Landscapes
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Description
【考案の詳細な説明】
この考案は、主として合成樹脂の射出成形機に供給する
材料をホッパー内で乾燥するようにした合成樹脂成形機
に付設するホッパードライヤーに関する。[Detailed Description of the Invention] This invention mainly relates to a hopper dryer attached to a synthetic resin injection molding machine that dries the material supplied to the synthetic resin injection molding machine within the hopper.
従来のこの種のホッパードライヤーは、1基の成形機の
材料供給口に1基のホッパードライヤーの排出口を接続
し、ホッパーの下部に接続したブロア付きヒータから加
熱空気を送風して、ホッパー内を下降する材料を乾燥す
るようにしていた。Conventionally, this type of hopper dryer connects the discharge port of one hopper dryer to the material supply port of one molding machine, and blows heated air from a heater with a blower connected to the bottom of the hopper to cool the inside of the hopper. The material was allowed to dry as it descended.
したがって、ホッパー内での乾燥処理時間に見合う比較
的に大量の材料を常時ホッパー内に滞溜させておく必要
があり、材料消費量の増減や材料の変更を行なう際のロ
スが大きい欠点があった。Therefore, it is necessary to keep a relatively large amount of material in the hopper at all times to match the drying time in the hopper, which has the drawback of large losses when increasing or decreasing material consumption or changing materials. Ta.
本考案は、1基の成形機に対し材料供給用のホッパーを
2基並設し、この2基のホッパー内に切換弁を介して加
熱空気を送る1基の乾燥ヒータを接続する一方、上記2
基のホッパーが排出する排出空気を1基の乾燥ブロアに
導入し、同ブロアがらの排気を第1の切換弁を介して、
交互に導入して除湿する2基の除湿塔を並設して、この
2基の除湿塔から交互に排出される乾燥空気を第2の切
換弁を介して前記乾燥ヒータに導入して前記材料供給用
ホッパーに供給するとともに、前記第1の切換弁に再生
ブロアに連らなる再生ヒータを接続し、前記第2の切換
弁に排湿管を接続して、一方の前記除湿塔の除湿運転中
には、他方の除湿塔内で上記再生ヒータからの加熱空気
によって除湿される再生運転が行なえるように構成する
ことにより、前記従来の欠点を除去して、経済的に運転
できるホッパードライヤーを提供したものである。In the present invention, two hoppers for supplying materials are installed in parallel for one molding machine, and one drying heater is connected to these two hoppers to send heated air through a switching valve. 2
The exhaust air discharged from the first hopper is introduced into one drying blower, and the exhaust air from the blower is passed through the first switching valve.
Two dehumidifying towers are installed in parallel to alternately introduce and dehumidify, and the dry air alternately discharged from the two dehumidifying towers is introduced into the drying heater through a second switching valve to dehumidify the material. In addition to supplying the supply to the supply hopper, a regeneration heater connected to a regeneration blower is connected to the first switching valve, and a dehumidification pipe is connected to the second switching valve, thereby dehumidifying one of the dehumidification towers. Some of the hopper dryers are configured to perform regeneration operation in which the air is dehumidified by the heated air from the regeneration heater in the other dehumidification tower, thereby eliminating the drawbacks of the conventional hopper dryer and enabling economical operation. This is what was provided.
以下に本考案の実施例を図面について説明する。Embodiments of the present invention will be described below with reference to the drawings.
Xは合成樹脂の射出成形機、X′はその材料供給口、A
、Bは、下部に具えた共通の排出口1を上記成形機の材
料供給口X′に接続し、それぞれの上部に具えたサイク
ロン形捕集器A’、B’から材料の供給を受けるよう並
設した2基のホッパー、2はこの2基のホッパー八、B
の下部をそれぞれ開閉する排出ダンパー、3はダンパー
2から排出された材料を前記排出口1へ向けて移送する
スクリューコンベアである。X is a synthetic resin injection molding machine, X' is its material supply port, A
, B connect the common discharge port 1 provided at the bottom to the material supply port X' of the molding machine, and receive material supply from the cyclone type collectors A' and B' provided at the top of each machine. Two hoppers installed in parallel, 2 is the 8 of these two hoppers, B
3 is a screw conveyor that transfers the material discharged from the damper 2 toward the discharge port 1.
Hlは2基のホッパーA、Bの間に立設された乾燥ヒー
タ、v8.■bは同ヒータH1の下部に連らなる二又管
4にそれぞれ取り付けられた切換弁である。Hl is a drying heater installed between two hoppers A and B, v8. (2) b are switching valves respectively attached to the forked pipes 4 connected to the lower part of the heater H1.
上記乾燥用ヒータH1内で加熱された空気は、この切換
弁V−,Vbを介してそれぞれ前記ホッパーA、Bの下
部へ送られ、同ホッパー内を上昇しつつ、その内部に堆
積している材料を加熱乾燥する。The air heated in the drying heater H1 is sent to the lower part of the hoppers A and B through the switching valves V- and Vb, and is deposited inside the hoppers while rising therein. Heat and dry the material.
5a、5bはホッパーA、Bの上部にそれぞれ接続した
排気管、6はこの二つの排気管58、5bが排出する排
気中の粉粒体を分離するライン・フィルター、7はこの
フィルター6の上部に連らなる管8を通って排出される
空気を加圧して前記乾燥ヒータH1へ向けて循環させる
乾燥ブロアである。5a and 5b are exhaust pipes connected to the upper parts of hoppers A and B, respectively; 6 is a line filter that separates the powder and granules in the exhaust gas discharged by these two exhaust pipes 58 and 5b; 7 is the upper part of this filter 6. This is a drying blower that pressurizes air discharged through a pipe 8 connected to and circulates it toward the drying heater H1.
■1はこのブロア7の出口に接続した第1の四方切換型
切換弁、C8,Cbはこの切換弁■lにそれぞれ接続さ
れて、前記ホッパーA、Bの背後に互いに並設した2基
の除湿塔、■2はこの2基の除湿塔C,,C2の上部に
それぞれ連らねた管9.,92に接続され、前記第1の
切換弁■1と同角度の同時動作を行なう四方切換型の第
2の切換弁である。■1 is the first four-way switching valve connected to the outlet of the blower 7, C8 and Cb are respectively connected to this switching valve ■l, and two valves are installed in parallel behind the hoppers A and B. The dehumidification tower, ■2, is a pipe 9 connected to the upper part of these two dehumidification towers C, C2. , 92, and is a four-way switching type second switching valve that operates simultaneously at the same angle as the first switching valve (1).
前記乾燥ブロア7で加圧された乾燥用空気は、第1と第
2の切換弁■1.■2の切換動作により一方の除湿塔C
2若しくはC2内を通って除湿されたのち管10を通っ
て乾燥ヒータH1へ送られる。The drying air pressurized by the drying blower 7 is passed through the first and second switching valves (1). ■Due to the switching operation in step 2, one of the dehumidifying towers C
2 or C2 to be dehumidified and then sent to the drying heater H1 through the pipe 10.
H2は、再生ブロア11を接続して前記第1の切換弁V
1に連らなる再生ヒータである。H2 connects the regeneration blower 11 to the first switching valve V
This is a regenerative heater connected to 1.
上記再生ブロア11から吸入された外気は、再生ヒータ
H2で加熱され、第1の切換弁V1を介して、乾燥用空
気の除湿運転に使用されていない方の除湿塔C2若しく
はC1内に送られ、除湿塔内に充填されている除湿剤中
の湿気を吸収したのち、第2の切換弁v2に接続した排
湿管20を通って外界へ放出され、同塔内の除湿剤を吸
湿加能に再生する。The outside air sucked in from the regeneration blower 11 is heated by the regeneration heater H2, and sent via the first switching valve V1 into the dehumidification tower C2 or C1 which is not used for dehumidifying drying air. After absorbing the moisture in the dehumidifier filled in the dehumidifying tower, it is released to the outside through the dehumidifying pipe 20 connected to the second switching valve v2, and absorbs and humidifies the dehumidifying agent in the tower. to play.
なお図中、12は捕集器A’、B’とホッパーA、Bと
の間をそれぞれ開閉する供給ダンパー、14はホッパー
A、B内の材料レベルを検出して上記供給ダンパー12
を自動開閉させるレベル計、13は吹出し防止レベル計
、15はホッパーA、B内の温度を検出する測温器、1
6は乾燥ヒータH1の乾燥温度を検出する測温器、17
は再生ヒータH2の乾燥温度を検出する測温器、18は
ホッパーA、Bの底部に嵌着した堆積塵取出し用回転皿
である。In the figure, 12 is a supply damper that opens and closes between the collectors A', B' and hoppers A, B, respectively, and 14 is a supply damper 12 that detects the material level in hoppers A, B.
13 is a blowout prevention level meter; 15 is a temperature meter that detects the temperature in hoppers A and B; 1
6 is a temperature measuring device for detecting the drying temperature of the drying heater H1, 17
18 is a temperature measuring device for detecting the drying temperature of the regeneration heater H2, and 18 is a rotary plate fitted to the bottom of the hoppers A and B for removing accumulated dust.
また、2基のホッパーA、Bの下部の排出ダンパー2お
よびスクリューコンベア3は同時に開放され同時に回転
するか、またはいづれか一方のみを選択的に作動させる
ことができる。Further, the discharge damper 2 and the screw conveyor 3 at the lower part of the two hoppers A and B can be opened and rotated at the same time, or only one of them can be selectively operated.
以上の構成よりなるこのホッパードライヤーは、2基の
材料供給用ホッパーを使用するので、比較的に材料貯溜
量が小さくなり、乾燥効率を高めるとともに、残溜量を
小さくできる。Since this hopper dryer having the above configuration uses two material supply hoppers, the amount of material stored is relatively small, and the drying efficiency can be increased and the amount of residual material can be reduced.
この2基のホッパー内に切換弁を介して加熱空気を送る
1基の乾燥ヒータを接続することによって、装置をコス
トダウンするとともに、経済的な運転ができる。By connecting one drying heater that sends heated air through a switching valve into these two hoppers, the cost of the apparatus can be reduced and economical operation can be achieved.
この乾燥ヒータに供給する空気を、第1と第2の切換弁
をその前後に具えて交互に使用される2基の除湿塔によ
って除湿するようにしたので、同塔内の吸湿剤の再生が
他方を使用する除湿運転中にでき、連続運転ができる。Since the air supplied to this drying heater is dehumidified by two dehumidifying towers that are equipped with first and second switching valves before and after and are used alternately, the moisture absorbent in the tower can be regenerated. This occurs during dehumidification operation using the other, and continuous operation is possible.
この2基の除湿塔に上記第1と第2の切換弁を付設し、
第1の切換弁に再生ブロアを具えた再生ヒータを接続し
、第2の切換弁に排湿管を接続することにより、除湿再
生装置のコストダウンができ、除湿運転と再生運転とが
互いに妨げられることなく同時に連続的にできる。The first and second switching valves are attached to these two dehumidification towers,
By connecting a regeneration heater equipped with a regeneration blower to the first switching valve and connecting a dehumidification pipe to the second switching valve, the cost of the dehumidification and regeneration equipment can be reduced, and dehumidification and regeneration operations interfere with each other. can be done simultaneously and continuously without being affected.
さらに、ホッパー、乾燥ブロア、除湿塔および乾燥ヒー
タを循環する乾燥用空気が閉鎖された回路内で循環する
ので、熱損失の少ない、経済的な運転ができる等の効果
がある。Furthermore, since the drying air that circulates through the hopper, drying blower, dehumidification tower, and drying heater is circulated within a closed circuit, there are advantages such as less heat loss and economical operation.
図面は本考案の一実施例を示すもので、第1図はその構
成を略示するフローチャート、第2図は実施例の一部切
欠正面図、第3図は平面図、第4図は一部切欠右側面図
である。
X・・・・・・成形機、X′・・・・・・材料供給口、
A、B・・・・・・ホッパー、1・・・・・・排出口、
2・・・・・・排出ダンパー、3・・・・・・スクリュ
ーコンベア、A’、B’・・・・・・捕集器、12・・
・・・・供給タンバー、13・・・・・・吹出シ防止レ
ベル計、14・・・・・・レベル計、15・・・・・・
測温器、Hl・・・・・・乾燥ヒータ、16・・・・・
・測温器、4・・・・・・二又管、V8. V b・・
・・・・切換弁、58,5b・・・・・・排気管、6・
・・・・・ライン・フィルター、7・・・・・・乾燥ブ
ロア、8・・・・・・管、Vl・・・・・・第1の切換
弁、V2・・・・・・第2の切換弁、C1,C2・・・
・・・除湿塔、90,92・・・・・・管、H2・・・
・・・再生ヒータ、10・・・・・・管、11・・・・
・・再生ブロア、17・・・・・・測温器、18・・・
・・・堆積塵取出し用回転皿。The drawings show an embodiment of the present invention; FIG. 1 is a flowchart schematically showing its configuration, FIG. 2 is a partially cutaway front view of the embodiment, FIG. 3 is a plan view, and FIG. It is a partial notch right side view. X... Molding machine, X'... Material supply port,
A, B...hopper, 1...discharge port,
2...Discharge damper, 3...Screw conveyor, A', B'...Collector, 12...
...Supply tambour, 13...Blowout prevention level meter, 14...Level meter, 15...
Temperature meter, Hl...Drying heater, 16...
・Temperature meter, 4...Two-pronged tube, V8. V b...
...Switching valve, 58, 5b...Exhaust pipe, 6.
... Line filter, 7 ... Drying blower, 8 ... Pipe, Vl ... First switching valve, V2 ... Second switching valves, C1, C2...
...dehumidification tower, 90,92...pipe, H2...
...Regeneration heater, 10...Tube, 11...
...Regeneration blower, 17...Temperature meter, 18...
... Rotating plate for removing accumulated dust.
Claims (1)
て接続され、かつ、それぞれに排出ダンパー2を具えた
2基の材料供給用のホッパーA、Bを並設したこと、 この2基のホッパーA、B内に切換弁V8.V、を介し
て加熱空気を送る1基の乾燥ヒータH1を接続したこと
、 上記2基のホッパーA、Bが排出する排出空気を1基の
乾燥ブロア7に導入し、同ブロア7からの排気を第1の
切換弁■1を介して、交互に導入する2基の除湿塔C1
,C2を並設したこと、この2基の除湿塔C1,C2か
ら交互に排出される乾燥空気を第2の切換弁■2を介し
て前記乾燥ヒータH1に導入するようにしたこと、 上記2基の除湿塔C1,C2に交互に空気を供給する前
記第1の切換弁■1に、再生ブロア11に連らなる再生
ヒータH2を接続する一方、除湿塔CI。 C2から乾燥ヒータH1へ乾燥空気を供給する前記第2
の切換弁■2に排湿管20を接続して、一方の除湿塔C
1の除湿運転中には、他方の除湿塔C2内が前記再生ヒ
ータH2からの加熱空気によって再生除湿される再生運
転を行なうよう構成したこと、 以上の構成よりなる合成樹脂成形機に付設するホッパー
ドライヤー[Claims for Utility Model Registration] ■ Two material supply hoppers A connected to the material supply port X' of the base molding machine X as a common discharge port 1, and each equipped with a discharge damper 2; B are installed in parallel, and a switching valve V8.B is installed in these two hoppers A and B. One drying heater H1 is connected to send heated air through V, and the exhaust air discharged from the two hoppers A and B is introduced into one drying blower 7, and the exhaust air from the same blower 7 is Two dehumidifying towers C1 alternately introduce water through the first switching valve ■1.
, C2 are installed in parallel, and the dry air alternately discharged from the two dehumidifying towers C1 and C2 is introduced into the drying heater H1 via the second switching valve ■2. A regeneration heater H2 connected to the regeneration blower 11 is connected to the first switching valve 1 which alternately supplies air to the dehumidification towers C1 and C2. The second supplying dry air from C2 to the drying heater H1.
Connect the dehumidifying pipe 20 to the switching valve ■2 of the dehumidifying tower C.
During the dehumidifying operation of step 1, the inside of the other dehumidifying tower C2 is regenerated and dehumidified by the heated air from the regenerating heater H2, and a hopper attached to the synthetic resin molding machine having the above configuration is configured. Hairdryer
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10316878U JPS5839862Y2 (en) | 1978-07-26 | 1978-07-26 | Hopper dryer attached to synthetic resin molding machine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10316878U JPS5839862Y2 (en) | 1978-07-26 | 1978-07-26 | Hopper dryer attached to synthetic resin molding machine |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5521140U JPS5521140U (en) | 1980-02-09 |
JPS5839862Y2 true JPS5839862Y2 (en) | 1983-09-08 |
Family
ID=29043429
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10316878U Expired JPS5839862Y2 (en) | 1978-07-26 | 1978-07-26 | Hopper dryer attached to synthetic resin molding machine |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5839862Y2 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS622659Y2 (en) * | 1981-03-10 | 1987-01-22 |
-
1978
- 1978-07-26 JP JP10316878U patent/JPS5839862Y2/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS5521140U (en) | 1980-02-09 |
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