JPH085534B2 - Granular resin transfer method - Google Patents
Granular resin transfer methodInfo
- Publication number
- JPH085534B2 JPH085534B2 JP1330261A JP33026189A JPH085534B2 JP H085534 B2 JPH085534 B2 JP H085534B2 JP 1330261 A JP1330261 A JP 1330261A JP 33026189 A JP33026189 A JP 33026189A JP H085534 B2 JPH085534 B2 JP H085534B2
- Authority
- JP
- Japan
- Prior art keywords
- resin
- draining
- resin slurry
- receiving hopper
- screw conveyor
- 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 - Lifetime
Links
- 239000011347 resin Substances 0.000 title claims description 82
- 229920005989 resin Polymers 0.000 title claims description 82
- 238000000034 method Methods 0.000 title claims description 11
- 239000002002 slurry Substances 0.000 claims description 46
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 41
- 238000004140 cleaning Methods 0.000 claims description 5
- 238000005406 washing Methods 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 2
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000003456 ion exchange resin Substances 0.000 description 1
- 229920003303 ion-exchange polymer Polymers 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Landscapes
- Screw Conveyors (AREA)
- Filtration Of Liquid (AREA)
Description
【発明の詳細な説明】 （産業上の利用分野） 本発明は、例えば原子力発電所等から発生するイオン
交換樹脂のような多量の水を含んだ粒状樹脂を焼却処分
するため、水切りを行いながら次工程へ移送するための
粒状樹脂の移送方法に関するものである。DETAILED DESCRIPTION OF THE INVENTION (Industrial field of application) The present invention is intended to incinerate a granular resin containing a large amount of water such as an ion exchange resin generated from a nuclear power plant, for example, while draining water. The present invention relates to a method of transferring granular resin for transferring to the next step.
（従来の技術） 上記のような多量の水を含んだ粒状樹脂（通常、含水
率90％程度）は、スクリューコンベア式の移送装置によ
り水切りしつつ定量供給装置へ移送され、樹脂焼却炉で
焼却処分したり、固化剤を加えて固化処分されている。
このための従来の移送方法は、例えば実開昭62−79510
号公報に示されるように、下部に水切り用のスクリーン
を有する受入ホッパーから斜め上向きに延びるパイプ内
に設けられたスクリューコンベアにより樹脂スラリーの
水切りを行い、水切り後の樹脂スラリーを樹脂出口へ移
送するものであった。(Prior art) The granular resin containing a large amount of water as described above (usually a water content of about 90%) is transferred to a fixed quantity supply device while draining by a screw conveyor type transfer device and incinerated in a resin incinerator. It is disposed of or solidified by adding a solidifying agent.
A conventional transfer method for this purpose is, for example, Shoukai 62-79510.
As shown in Japanese Patent Publication, the resin slurry is drained by a screw conveyor provided in a pipe extending obliquely upward from a receiving hopper having a screen for draining the lower portion, and the resin slurry after draining is transferred to a resin outlet. It was a thing.
ところがこのような従来の方法は、樹脂スラリー中の
樹脂の粉砕物や夾雑物等により水切り用のスクリーンが
次第に目詰まりして水切り後の樹脂スラリーの含水率が
次第に上昇してしまうという問題があった。またこれに
伴って受入ホッパー内の樹脂スラリーの水位が上昇して
自然の水切りがほとんど行われなくなり、水切り後の樹
脂スラリーの含水率が更に上昇してその結果次工程の樹
脂の焼却処理において焼却炉の負担が増加し、燃料の増
加をもたらしたり、炉材にひび割れ等の悪影響ををもた
らすという問題があった。However, such a conventional method has a problem that the water-removing resin slurry gradually increases in water content because the screen for water draining is gradually clogged with crushed substances and impurities of the resin in the resin slurry. It was Along with this, the water level of the resin slurry in the receiving hopper rises and natural draining is hardly performed, and the water content of the resin slurry after draining further rises, resulting in incineration in the resin incineration process in the next step. There was a problem that the burden on the furnace was increased, the amount of fuel was increased, and the furnace material was adversely affected such as cracking.
（発明が解決しようとする課題） 本発明は上記のような従来の問題点を解決して、含水
率が90％程度の樹脂スラリーを含水率が60％以下となる
まで確実に水切りしつつ次工程へ移送することができ、
これにより焼却炉の負担の軽減を図ることができる粒状
樹脂の移送方法を提供するために完成されたものであ
る。(Problems to be Solved by the Invention) The present invention solves the conventional problems as described above, and drains a resin slurry having a water content of about 90% until the water content becomes 60% or less. Can be transferred to the process,
Thus, the present invention has been completed to provide a method for transferring granular resin, which can reduce the burden on the incinerator.
（課題を解決するための手段） 上記の課題は、水を含んだ粒状樹脂からなる樹脂スラ
リーを、下部に水切り用のスクリーンを有する受入ホッ
パー内に供給し、斜め上向きのパイプ内に設けられたス
クリューコンベアにより次工程へ移送するにあたり、ス
クリューコンベアの樹脂出口の高さを受入ホッパー内の
樹脂スラリーの水位以上とするとともに、樹脂出口にお
ける水切り後の樹脂スラリーの移送量を重量計により検
知して制御演算器により演算し、この演算量に応じてス
クリューコンベアのモータを制御することを特徴とする
第１の発明により解決することができる。(Means for Solving the Problem) The above-mentioned problem is that a resin slurry made of granular resin containing water is supplied into a receiving hopper having a screen for draining water at the bottom, and the resin slurry is provided in an obliquely upward pipe. When transferring to the next step by the screw conveyor, the height of the resin outlet of the screw conveyor is made equal to or higher than the water level of the resin slurry in the receiving hopper, and the amount of the resin slurry transferred after draining at the resin outlet is detected by a weighing scale. This can be solved by the first invention, which is characterized in that the calculation is performed by the control calculator and the motor of the screw conveyor is controlled according to the calculated amount.
また上記の課題は、水を含んだ粒状樹脂からなる樹脂
スラリーを、下部に水切り用のスクリーンを有する受入
ホッパー内に供給し、斜め上向きのパイプ内に設けられ
たスクリューコンベアにより次工程へ移送するにあた
り、スクリューコンベアの樹脂出口の高さを受入ホッパ
ー内の樹脂スラリーの水位以上とするとともに、樹脂出
口における水切り後の樹脂スラリーの移送量を重量計に
より検知して制御演算器により演算し、この演算量に応
じて水切り用のスクリー、の洗浄装置を制御することを
特徴とする第２の発明により解決することができる。Further, the above-mentioned problem is to supply a resin slurry made of granular resin containing water into a receiving hopper having a screen for draining water at the bottom, and transfer it to the next step by a screw conveyor provided in an obliquely upward pipe. In doing so, the height of the resin outlet of the screw conveyor is equal to or higher than the water level of the resin slurry in the receiving hopper, and the transfer amount of the resin slurry after draining at the resin outlet is detected by the weight scale and calculated by the control calculator, This can be solved by the second invention, which is characterized in that the cleaning device for the screech for draining water is controlled according to the amount of calculation.
（実施例） 以下にこれらの発明を図示の実施例によって詳細に説
明するが、まず移送装置の概略について説明する。(Embodiment) The present invention will be described in detail below with reference to embodiments shown in the drawings. First, an outline of a transfer device will be described.
第１図において、（１）は樹脂スラリーの受入ホッパ
ー、（２）はこの受入ホッパー（１）から水平面に対し
て18゜の角度で斜め上向きに延びるパイプである。な
お、パイプの傾斜角度は通常15゜〜20゜程度が好まし
い。このパイプ（２）の内部には減速機付モータ（３）
により駆動されるスクリューコンベア（４）が全長にわ
たって設けられており、樹脂スラリーの受入ホッパー
（１）の上部から供給された例えば90％程度の水を含ん
だ粒状樹脂（樹脂の粒径300〜400μ）からなる樹脂スラ
リーを先端の樹脂出口（５）まで移送する。また（６）
は樹脂スラリー受入ホッパー（１）の内部で樹脂スラリ
ーを中央のスクリューコンベア（４）に向かって掻き寄
せるための攪拌機であり、ホッパー内部でブリッジが形
成されることも併せて防止している。なお、樹脂スラリ
ー受入ホッパー（１）の中央部分にもブリッジ防止用の
攪拌機を設けておくことが好ましい。In FIG. 1, (1) is a receiving hopper for resin slurry, and (2) is a pipe extending obliquely upward from the receiving hopper (1) at an angle of 18 ° with respect to a horizontal plane. The angle of inclination of the pipe is preferably about 15 ° to 20 °. Inside the pipe (2), a motor with reduction gear (3)
Is provided with a screw conveyor (4) over the entire length, and granular resin containing, for example, about 90% of water supplied from the upper part of the resin slurry receiving hopper (1) (particle size of resin is 300 to 400 μm). The resin slurry of (1) is transferred to the resin outlet (5) at the tip. Also (6)
Is a stirrer for scraping the resin slurry toward the central screw conveyor (4) inside the resin slurry receiving hopper (1), and also prevents a bridge from being formed inside the hopper. It is preferable that a stirrer for bridge prevention is also provided in the central portion of the resin slurry receiving hopper (1).
この樹脂スラリーの受入ホッパー（１）の下部には水
切り用のスクリーン（７）が設けられている。このため
のスクリーン（７）としは、例えば目開きが300〜350μ
程度のものが使用され、樹脂スラリー中の水分を下方の
水出口（８）から排出することができる構造となってい
る。図示の実施例ではスクリーン（７）は受入ホッパー
（１）の底面に設けられているが、底部の側面に設けて
もよい。A screen (7) for draining water is provided below the receiving hopper (1) for the resin slurry. The screen (7) for this purpose has, for example, an opening of 300 to 350 μm.
A small amount of water is used, and the water in the resin slurry can be discharged from the lower water outlet (8). Although the screen (7) is provided on the bottom surface of the receiving hopper (1) in the illustrated embodiment, it may be provided on the side surface of the bottom.
なお、（11）は受入ホッパー（１）の投入孔、（12）
は受入ホッパー（１）内の水位を測定するための液面
計、（９）はパイプ（２）の内部に洗浄水を噴射するた
めの洗浄ノズル、（10）はパイプ（２）の先端から水切
りされた樹脂スラリーを受取り、焼却炉へ一定量ずつ投
入するための定量供給装置である。また（13）は水切り
用のスクリーン（７）の下方から水を噴射して目詰まり
を解消するための洗浄装置である。In addition, (11) is an input hole of the receiving hopper (1), (12)
Is a level gauge for measuring the water level in the receiving hopper (1), (9) is a washing nozzle for injecting washing water into the pipe (2), and (10) is from the tip of the pipe (2). It is a fixed quantity supply device for receiving the drained resin slurry and feeding it into the incinerator in constant amounts. Further, (13) is a cleaning device for spraying water from below the draining screen (7) to eliminate clogging.
次に本発明の粒状樹脂の移送方法について説明する
と、まず樹脂スラリー受入タンク内の含水率90％程度の
樹脂スラリーを、スラリー供給ポンプにより攪拌しつつ
吸引して受入ホッパー（１）内に投入したうえ、斜め上
向きのパイプ（２）内のスクリューコンベア（４）によ
り次工程の定量供給装置（10）へ移送する。このとき樹
脂スラリーの受入ホッパー（１）の下部に水切り用のス
クリーン（７）を設けてあるので、樹脂スラリー受入ホ
ッパー（１）内に投入された樹脂スラリー中の水分のか
なりの部分はこのスクリーン（７）により分離され、水
出口（８）から自然に排出される。また本発明において
は、スクリューコンベア（４）の樹脂出口（５）の高さ
を受入ホッパー（１）内の樹脂スラリーの水位以上とし
たので、樹脂スラリーがパイプ（２）内をスクリューコ
ンベア（４）により移送されて行く間に樹脂スラリーは
更に水切りされ、パイプ（２）の先端の樹脂出口（５）
から次工程の定量供給装置（10）へ入る部分では含水率
を60％未満まで低下させることができる。このようにし
て含水率を低下させた粒状樹脂は定量供給装置（10）に
よって焼却炉へ投入され焼却処理され、一方分離された
水は樹脂濾液タンクに収納したうえ、ポンプによって廃
スラッジ系側へ返送されることとなる。Explaining the method for transferring the granular resin of the present invention, first, the resin slurry having a water content of about 90% in the resin slurry receiving tank is sucked into the receiving hopper (1) while being agitated by the slurry supply pump. Further, it is transferred to the fixed quantity supply device (10) of the next step by the screw conveyor (4) in the pipe (2) which is directed obliquely upward. At this time, since the draining screen (7) is provided below the resin slurry receiving hopper (1), a considerable portion of the water content in the resin slurry receiving hopper (1) is contained in this screen. It is separated by (7) and is naturally discharged from the water outlet (8). Further, in the present invention, since the height of the resin outlet (5) of the screw conveyor (4) is set to be equal to or higher than the water level of the resin slurry in the receiving hopper (1), the resin slurry moves in the pipe (2) inside the screw conveyor (4). ), The resin slurry is further drained while being transferred, and the resin outlet (5) at the tip of the pipe (2)
Therefore, the water content can be reduced to less than 60% in the part that enters the constant quantity supply device (10) in the next step. The granular resin whose water content has been reduced in this way is put into the incinerator by the quantitative supply device (10) and incinerated, while the separated water is stored in the resin filtrate tank and then pumped to the waste sludge system side. Will be returned.
しかし前述したように、移送を行ううちに次第に樹脂
スラリー中の樹脂の粉砕物や夾雑物等により、水切り用
のスクリーン（７）が次第に目詰まりを生じ、水分が増
加してパイプ（２）の先端からの樹脂スラリーの吐出量
が次第に低下する傾向を示す。そこで第１の発明では樹
脂出口（５）における水切り後の樹脂スラリーの移送量
を重量計（14）によって検知し、制御演算器（15）で演
算してこの演算量に応じてモータ制御器（16）によりス
クリューコンベア（４）のモータ（３）を制御する。こ
こでモータ（３）の制御とはモータ（３）のオンオフ制
御や回転数の制御を含むものとする。このように第１の
発明では吐出量の低下をモータ（３）の回転数をアップ
等で補うことができ、また移送量が所定のレベル以下ま
で低下したときにはモータ（３）を停止して警報を発す
るようにすることができる。なお、モータ（３）を停止
した際には、洗浄装置を稼働させてスクリーン（７）の
目詰まりを解消して樹脂スラリーの移動量を回復させ
る。However, as described above, the screen (7) for draining is gradually clogged due to the pulverized products and foreign substances of the resin in the resin slurry during the transfer, increasing the water content and increasing the water content of the pipe (2). The amount of resin slurry discharged from the tip tends to gradually decrease. Therefore, in the first invention, the transfer amount of the resin slurry after draining at the resin outlet (5) is detected by the weight scale (14), and is calculated by the control calculator (15), and the motor controller ( The motor (3) of the screw conveyor (4) is controlled by 16). Here, control of the motor (3) includes on / off control of the motor (3) and control of the number of rotations. As described above, in the first aspect of the invention, the decrease in the discharge amount can be compensated by increasing the rotation speed of the motor (3), and when the transfer amount decreases below a predetermined level, the motor (3) is stopped and an alarm is issued. Can be emitted. When the motor (3) is stopped, the cleaning device is operated to eliminate the clogging of the screen (7) and recover the moving amount of the resin slurry.
また第２の発明では、樹脂出口（５）における水切り
後の樹脂スラリーの移送量を重量計（14）によって検知
し、制御演算器（15）で演算してこの演算量に応じて水
切り用のスクリーン（７）の洗浄装置（13）を制御す
る。この結果、スクリーン（７）の目詰まりが進行する
と自動的に洗浄装置（13）による洗浄が行われてスクリ
ーン（７）の目詰まりが解消されることとなり、樹脂ス
ラリーの移送量を回復させることができる。なお実施例
に示すように、第１の発明と第２の発明を同時に実施す
ることもできることはいうまでもない。Further, in the second invention, the transfer amount of the resin slurry after draining at the resin outlet (5) is detected by the weight scale (14), and is calculated by the control calculator (15) for draining according to the calculated amount. The cleaning device (13) for the screen (7) is controlled. As a result, when the clogging of the screen (7) progresses, the washing by the washing device (13) is automatically performed to eliminate the clogging of the screen (7), and the transfer amount of the resin slurry is recovered. You can Needless to say, as shown in the embodiments, the first invention and the second invention can be carried out at the same time.
（発明の効果） 以上に説明したように、第１の発明の粒状樹脂の移送
方法によれば、スクリーンが次第に目詰まりした場合に
もほぼ一定量の樹脂スラリーを次工程へ移送することが
できる。また第２の発明によれば、スクリーンが次第に
目詰まりした場合には自動的に洗浄を行って目詰まりを
回復することができ、含水率が90％程度の樹脂スラリー
を含水率が60％以下となるまで確実に水切りしつつ次工
程へ移送することができる。従って本発明によれば焼却
炉の負担を軽減することが可能となる。(Effect of the Invention) As described above, according to the method for transferring granular resin of the first invention, it is possible to transfer a substantially constant amount of resin slurry to the next step even when the screen is gradually clogged. . According to the second aspect of the present invention, when the screen is gradually clogged, it can be automatically cleaned to recover the clogging, and the resin slurry having a water content of about 90% has a water content of 60% or less. It can be transferred to the next step while surely draining water until it becomes. Therefore, according to the present invention, the burden on the incinerator can be reduced.
よって本発明は従来の問題点を一掃した粒状樹脂の移
送方法として、産業の発展に寄与するところは極めて大
きいものがある。Therefore, the present invention has an extremely large contribution to industrial development as a method for transferring granular resin that has eliminated the conventional problems.
第１図は本発明の実施例を説明する一部切欠正面図であ
る。 （１）：樹脂スラリー受入ホッパー、（２）：パイプ、
（４）：スクリューコンベア、（５）：樹脂出口、
（７）：スクリーン、（14）：重量計、（15）：制御演
算器FIG. 1 is a partially cutaway front view illustrating an embodiment of the present invention. (1): Resin slurry receiving hopper, (2): Pipe,
(4): screw conveyor, (5): resin outlet,
(7): Screen, (14): Weight scale, (15): Control calculator
Claims (2)
を、下部に水切り用のスクリーン（７）を有する受入ホ
ッパー（１）内に供給し、斜め上向きのパイプ（２）内
に設けられたスクリューコンベア（４）により次工程へ
移送するにあたり、スクリューコンベア（４）の樹脂出
口（５）の高さを受入ホッパー（１）内の樹脂スラリー
の水位以上とするとともに、樹脂出口（５）における水
切り後の樹脂スラリーの移送量を重量計（14）により検
知して制御演算器（15）で演算し、この演算量に応じて
スクリューコンベア（４）のモータ（３）を制御するこ
とを特徴とする粒状樹脂の移送方法。1. A resin slurry made of granular resin containing water is supplied into a receiving hopper (1) having a screen (7) for draining at a lower portion thereof, and is provided in a pipe (2) directed obliquely upward. In transferring to the next step by the screw conveyor (4), the height of the resin outlet (5) of the screw conveyor (4) is set to be equal to or higher than the water level of the resin slurry in the receiving hopper (1), and at the resin outlet (5). A feature is that the transfer amount of the resin slurry after draining is detected by the weight scale (14) and calculated by the control calculator (15), and the motor (3) of the screw conveyor (4) is controlled according to the calculated amount. And a method for transferring granular resin.
を、下部に水切り用のスクリーン（７）を有する受入ホ
ッパー（１）内に供給し、斜め上向きのパイプ（２）内
に設けられたスクリューコンベア（４）により次工程へ
移送するにあたり、スクリューコンベア（４）の樹脂出
口（５）の高さを受入ホッパー（１）内の樹脂スラリー
の水位以上とするとともに、樹脂出口（５）における水
切り後の樹脂スラリーの移送量を重量計（14）により検
知して制御演算器（15）で演算し、この演算量に応じて
スクリーン（７）の洗浄装置（13）を制御することを特
徴とする粒状樹脂の移送方法。2. A resin slurry made of granular resin containing water is supplied into a receiving hopper (1) having a screen (7) for draining at the bottom, and is provided in a pipe (2) which is obliquely upward. In transferring to the next step by the screw conveyor (4), the height of the resin outlet (5) of the screw conveyor (4) is set to be equal to or higher than the water level of the resin slurry in the receiving hopper (1), and at the resin outlet (5). A feature is that the transfer amount of the resin slurry after draining is detected by the weight scale (14) and calculated by the control calculator (15), and the cleaning device (13) of the screen (7) is controlled according to the calculated amount. And a method for transferring granular resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1330261A JPH085534B2 (en) | 1989-12-20 | 1989-12-20 | Granular resin transfer method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1330261A JPH085534B2 (en) | 1989-12-20 | 1989-12-20 | Granular resin transfer method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03192012A JPH03192012A (en) | 1991-08-21 |
| JPH085534B2 true JPH085534B2 (en) | 1996-01-24 |
Family
ID=18230664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1330261A Expired - Lifetime JPH085534B2 (en) | 1989-12-20 | 1989-12-20 | Granular resin transfer method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH085534B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106966134A (en) * | 2017-05-11 | 2017-07-21 | 铜陵市三诺电子有限公司 | A kind of batcher of convenient regulation |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6012562U (en) * | 1983-07-05 | 1985-01-28 | 外川 純司 | Core wood for winding cloth |
| JPS6279510U (en) * | 1985-11-07 | 1987-05-21 | ||
| JPS62169276U (en) * | 1986-04-18 | 1987-10-27 | ||
| JPS6429326U (en) * | 1987-08-11 | 1989-02-21 |
-
1989
- 1989-12-20 JP JP1330261A patent/JPH085534B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH03192012A (en) | 1991-08-21 |
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