TW201641147A - Deaeration apparatus and deaeration method using the same - Google Patents
Deaeration apparatus and deaeration method using the same Download PDFInfo
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Abstract
Description
本發明是有關於一種脫泡設備及應用其之脫泡方法,且特別是有關於一種用以對黏膠進行脫泡程序的脫泡設備及應用其之脫泡方法 The invention relates to a defoaming device and a defoaming method thereof, and particularly relates to a defoaming device for defoaming a viscose and a defoaming method thereof
傳統上,在調合黏膠及輸送黏膠過程中,桶槽及管路內的空氣會進入黏膠。黏膠內的空氣會影響後續的黏合品質。當黏膠用於光學產品時,黏膠內的空氣會影響顯示品質。 Traditionally, the air in the tank and the pipeline enters the glue during the process of blending the glue and conveying the glue. The air inside the glue will affect the subsequent bonding quality. When the adhesive is used in an optical product, the air inside the adhesive affects the display quality.
因此,亟需提出一種新的脫泡設備,以排除黏膠內的氣體。 Therefore, it is urgent to propose a new defoaming device to remove the gas in the adhesive.
因此,本發明提出一種脫泡設備及應用其之脫泡方法,以排除黏膠內的氣體。 Accordingly, the present invention provides a defoaming apparatus and a defoaming method using the same to remove gas in the viscose.
根據本發明之一實施例,提出一種脫泡設備。脫泡設備用以對一黏膠進行脫泡程序的脫泡設備。脫泡設備包括一大桶槽、一小桶槽及一第一排氣管。大桶槽用以進行一第一脫泡程序。小桶槽連通大桶槽,且用以進行一第二脫泡程序。第一排氣 管連通小桶槽,且用以進行一第三脫泡程序。 According to an embodiment of the invention, a defoaming device is proposed. Defoaming device A defoaming device used to defoam a glue. The defoaming device comprises a large barrel, a small tank and a first exhaust pipe. The vat is used to perform a first defoaming procedure. The small tub is connected to the large tub and used to perform a second defoaming procedure. First exhaust The tube communicates with the keg tank and is used to perform a third defoaming procedure.
根據本發明之另一實施例,提出一種黏膠的脫泡方法。脫泡方法包括以下步驟。提供一脫泡設備,其中脫泡設備包括一大桶槽、一小桶槽及一第一排氣管,小桶槽連通大桶槽,而第一排氣管連通小桶槽;以大桶槽進行一第一脫泡程序;以小桶槽進行一第二脫泡程序;以及,以第一排氣管進行一第三脫泡程序。 According to another embodiment of the present invention, a method of defoaming a viscose is proposed. The defoaming method includes the following steps. Providing a defoaming device, wherein the defoaming device comprises a large bucket, a small tub and a first exhaust pipe, the small tub communicates with the large tub, and the first exhaust pipe communicates with the small tub; a first defoaming procedure; performing a second defoaming procedure in the keg tank; and performing a third defoaming procedure in the first exhaust pipe.
為了對本發明之上述及其他方面有更佳的瞭解,下文特舉較佳實施例,並配合所附圖式,作詳細說明如下: In order to better understand the above and other aspects of the present invention, the preferred embodiments are described below, and in conjunction with the drawings, the detailed description is as follows:
100‧‧‧脫泡設備 100‧‧‧Defoaming equipment
110‧‧‧大桶槽 110‧‧‧ large barrel
115‧‧‧脫泡機 115‧‧‧Defoaming machine
120‧‧‧小桶槽 120‧‧‧ small bucket
120a‧‧‧入口 120a‧‧‧ entrance
120e‧‧‧排氣孔 120e‧‧‧ venting holes
120t‧‧‧頂壁 120t‧‧‧ top wall
120w‧‧‧側壁 120w‧‧‧ side wall
120b‧‧‧底壁 120b‧‧‧ bottom wall
120e‧‧‧排氣口 120e‧‧‧Exhaust port
130‧‧‧第一排氣管 130‧‧‧First exhaust pipe
131‧‧‧觀察管 131‧‧‧ observation tube
1311‧‧‧透明窗 1311‧‧‧ Transparent window
132‧‧‧第一連通管 132‧‧‧First connecting pipe
133‧‧‧第二連通管 133‧‧‧Second connecting tube
140‧‧‧第二排氣管 140‧‧‧Second exhaust pipe
150‧‧‧輸送管 150‧‧‧ delivery tube
160‧‧‧閥門 160‧‧‧ valve
10‧‧‧黏膠 10‧‧‧Viscos
20‧‧‧塗佈器 20‧‧‧applicator
G1‧‧‧氣體 G1‧‧‧ gas
S110、S120、S130、S140‧‧‧步驟 S110, S120, S130, S140‧‧ steps
第1A圖繪示依照本發明一實施例之脫泡設備的示意圖。 FIG. 1A is a schematic view of a defoaming apparatus according to an embodiment of the invention.
第1B圖繪示第1A圖之局部1B’的放大示意圖。 Fig. 1B is an enlarged schematic view showing a portion 1B' of Fig. 1A.
第2圖繪示繪示依照本發明一實施例之黏膠的脫泡方法的流程圖。 FIG. 2 is a flow chart showing a method of defoaming a viscose according to an embodiment of the invention.
第1A圖繪示依照本發明一實施例之脫泡設備的示意圖,第1B圖繪示第1A圖之局部1B’的放大示意圖。 Fig. 1A is a schematic view showing a defoaming apparatus according to an embodiment of the present invention, and Fig. 1B is an enlarged schematic view showing a portion 1B' of Fig. 1A.
脫泡設備100用以對黏膠10進行脫泡程序。黏膠10例如是感壓黏著膠,其可用於黏合偏光板與顯示面板。另一例子中,黏膠10也可以是用於其它領域的透明光學膠,其可黏合任意二元件。一實施例中,黏膠10例如是感壓黏著劑。一實施例 中,黏膠10之材料可包含例如是(甲基)丙烯酸酯、一交聯劑或其它合適材料,其中(甲基)丙烯酸酯例如是(甲基)丙烯酸甲酯、(甲基)丙烯酸乙酯、(甲基)丙烯酸丁酯或(甲基)丙烯酸-2-乙基己酯等,而交聯劑例如為環氧系交聯劑、異氰酸酯系交聯劑或亞胺系交聯劑等。在一實施例中,黏膠10更可包含其他添加劑,例如為矽烷偶合劑、抗靜電劑等。 The defoaming device 100 is used to perform a defoaming process on the adhesive 10. The adhesive 10 is, for example, a pressure-sensitive adhesive which can be used for bonding a polarizing plate and a display panel. In another example, the adhesive 10 can also be a clear optical adhesive for use in other fields that can bond any two components. In one embodiment, the adhesive 10 is, for example, a pressure sensitive adhesive. An embodiment The material of the adhesive 10 may comprise, for example, (meth) acrylate, a crosslinking agent or other suitable material, wherein the (meth) acrylate is, for example, methyl (meth) acrylate or (meth) acrylate. An ester, butyl (meth)acrylate or 2-ethylhexyl (meth)acrylate, and the crosslinking agent is, for example, an epoxy crosslinking agent, an isocyanate crosslinking agent or an imide crosslinking agent. . In an embodiment, the adhesive 10 may further comprise other additives such as a decane coupling agent, an antistatic agent, and the like.
脫泡設備100包括大桶槽110、脫泡機115、至少一小桶槽120、第一排氣管130、第二排氣管140、輸送管150及閥門160。大桶槽110用以進行第一脫泡程序,小桶槽120用以進行第二脫泡程序,且第一排氣管130用以進行第三脫泡程序,以排除黏膠10內全部或大部分的氣體,進而減少黏膠10對光學品質的負面影響。 The defoaming apparatus 100 includes a large tank 110, a deaerator 115, at least one small tank 120, a first exhaust pipe 130, a second exhaust pipe 140, a transfer pipe 150, and a valve 160. The large tank 110 is used to perform a first defoaming process, the small tank 120 is used to perform a second defoaming process, and the first exhaust pipe 130 is used to perform a third defoaming process to exclude all or large of the adhesive 10 Part of the gas, which in turn reduces the negative impact of the adhesive 10 on optical quality.
詳細來說,大桶槽110用以調合黏膠10的成分且同時進行第一脫泡程序,其中第一脫泡程序例如是加壓脫泡程序。黏膠10於大桶槽110內攪拌時,同時被加壓,以排除攪拌時進入黏膠10的氣體。一實施例中,可通入氣體,例如為氮氣進行加壓脫泡程序。 In detail, the large tub 110 is used to blend the components of the adhesive 10 while performing a first defoaming procedure, wherein the first defoaming procedure is, for example, a pressurized defoaming procedure. When the glue 10 is stirred in the large tub 110, it is simultaneously pressurized to remove the gas that enters the adhesive 10 during agitation. In one embodiment, a pressurized degassing procedure can be performed by introducing a gas, such as nitrogen.
黏膠10可從大桶槽110進入脫泡機115。脫泡機115對黏膠10進行一離心脫泡程序,以排除黏膠10內的殘留氣體。脫泡機115內的黏膠10可再輸回大桶槽110繼續調合,以加壓脫泡,直到黏膠10調合完成後,再輸往小桶槽120。此外,脫泡機115內的黏膠10回流至大桶槽110的方式,可充分排除管線內的 氣體。另一實施例中,若無需要,亦可省略脫泡機115。 The glue 10 can enter the deaerator 115 from the vat 110. The defoaming machine 115 performs a centrifugal defoaming procedure on the adhesive 10 to remove residual gas in the adhesive 10. The glue 10 in the defoaming machine 115 can be returned to the large tank 110 to continue blending to pressurize and defoam until the glue 10 is blended, and then sent to the small tub 120. In addition, the manner in which the adhesive 10 in the defoaming machine 115 is returned to the large tank 110 can completely eliminate the inside of the pipeline. gas. In another embodiment, the defoaming machine 115 may be omitted if not required.
小桶槽120連通大桶槽110且用以進行第二脫泡程序。由於大桶槽110對黏膠10的施壓大,導致黏膠10在進入小桶槽120的過程中容易混入氣體。然而,透過小桶槽120進行第二脫泡程序,可排除黏膠10的殘留氣體。第二脫泡程序例如是靜置脫泡程序。一實施例中,小桶槽120內的黏膠10靜置一段時間後,如半小時,足以使黏膠10內的殘留氣體脫離黏膠10。另一實施例中,黏膠10可於小桶槽120內靜置短於半小時或長於半小時。 The tubing slot 120 communicates with the tubing slot 110 and is used to perform a second defoaming procedure. Since the pressure applied to the adhesive 10 by the large tank 110 is large, the adhesive 10 is easily mixed with gas during the process of entering the small tub 120. However, the second defoaming process is performed through the keg 120 to remove the residual gas of the adhesive 10. The second defoaming procedure is, for example, a static defoaming procedure. In one embodiment, after the adhesive 10 in the keg 120 is allowed to stand for a period of time, for example, half an hour, the residual gas in the adhesive 10 is removed from the adhesive 10. In another embodiment, the glue 10 can be allowed to stand in the keg 120 for less than half an hour or longer than half an hour.
各小桶槽120的容積與大桶槽110的容積的比例可介於3%至7%之間,以排除黏膠10內的殘留氣體。另一實施例中,小桶槽120的容積與大桶槽110的容積的比例可少於3%或大於7%。本實施例中,小桶槽120的數量係四個,然亦少於四個或超過四個。只要可有效排除黏膠10內的殘留氣體即可,本發明實施例並未限制小桶槽120的容積及/或數量。 The ratio of the volume of each keg tank 120 to the volume of the ladle tank 110 may be between 3% and 7% to exclude residual gas in the viscose 10. In another embodiment, the ratio of the volume of the keg tank 120 to the volume of the keg tank 110 may be less than 3% or greater than 7%. In this embodiment, the number of the small tubs 120 is four, but less than four or more than four. The embodiment of the present invention does not limit the volume and/or the number of the kegs 120 as long as the residual gas in the adhesive 10 can be effectively excluded.
此外,小桶槽120具有連通大桶槽110的入口120a。輸送管150連通脫泡機115與小桶槽120的入口120a,使脫泡機115內的黏膠10可透過輸送管150進入小桶槽120內。另一實施例中,若省略脫泡機115,則輸送管150可連通大桶槽110與小桶槽120的入口120a。 Further, the small tub 120 has an inlet 120a that communicates with the large tub 110. The conveying pipe 150 communicates with the deaerator 115 and the inlet 120a of the keg tank 120, so that the glue 10 in the defoaming machine 115 can pass through the conveying pipe 150 into the keg tank 120. In another embodiment, if the defoaming machine 115 is omitted, the conveying pipe 150 can communicate with the large tank 110 and the inlet 120a of the small tub 120.
小桶槽120的入口120a位於小桶槽120的下部,如小桶槽120中靠近底壁120b的側壁120w。一實施例中,入口120a 盡可能地靠近底壁120b。由於入口120a位於小桶槽120的下部,可降低入口120a與底壁120b之間的高度,避免黏膠10從入口120a流至底壁120b的過程中混入過多的氣體。另一實施例中,入口120a可位於小桶槽120的底壁120b。 The inlet 120a of the small tub 120 is located at a lower portion of the small tub 120, such as the side wall 120w of the small tub 120 adjacent to the bottom wall 120b. In one embodiment, the inlet 120a As close as possible to the bottom wall 120b. Since the inlet 120a is located at the lower portion of the small tub 120, the height between the inlet 120a and the bottom wall 120b can be lowered to prevent excessive mixing of the gas during the flow of the adhesive 10 from the inlet 120a to the bottom wall 120b. In another embodiment, the inlet 120a can be located at the bottom wall 120b of the keg tank 120.
此外,各小桶槽120具有排氣口120e。排氣口120e位於小桶槽120的上部,如小桶槽120中靠近頂壁120t的側壁120w。在小桶槽120內,脫離黏膠10的氣體G1因為密度小而往上飄,且透過排氣口120e排出小桶槽120外。另一實施例中,即使省略排氣孔120e,在靜置後,氣體G1仍會脫離黏膠10。 Further, each of the small tubs 120 has an exhaust port 120e. The exhaust port 120e is located at an upper portion of the tub unit 120, such as a side wall 120w of the tub unit 120 near the top wall 120t. In the small tub 120, the gas G1 which is detached from the adhesive 10 floats upward due to the small density, and is discharged outside the small tub 120 through the exhaust port 120e. In another embodiment, even if the vent hole 120e is omitted, the gas G1 will be detached from the adhesive 10 after standing.
此外,第二排氣管140可連通排氣口120e與一外部抽氣裝置(未繪示)。外部抽氣裝置例如是風扇或真空源,可加速小桶槽120內的氣體G1排出小桶槽120外。另一實施例中,排氣口120e可位於小桶槽120的頂壁120t。 In addition, the second exhaust pipe 140 can communicate with the exhaust port 120e and an external air extracting device (not shown). The external air extracting means is, for example, a fan or a vacuum source, and accelerates the discharge of the gas G1 in the small tub 120 from the outside of the small tub 120. In another embodiment, the vent 120e can be located at the top wall 120t of the keg tank 120.
第一排氣管130連通小桶槽120且用以進行第三脫泡程序。也就是說,若小桶槽120內的黏膠10尚有殘留氣體,可透過第一排氣管130排除。 The first exhaust pipe 130 communicates with the keg tank 120 and is used to perform a third defoaming process. That is to say, if the adhesive 10 in the small tub 120 has residual gas, it can be removed through the first exhaust pipe 130.
如第1B圖所示,第一排氣管130包括觀察管131、第一連通管132及第二連通管133。第一連通管132連通觀察管131與小桶槽120。觀察管131、第一連通管132與第二連通管133大致上呈T形。例如,觀察管131與第二連通管133大致上平行地連接,第一連通管132大致上垂直於觀察管131及第二連通管133。 As shown in FIG. 1B, the first exhaust pipe 130 includes an observation pipe 131, a first communication pipe 132, and a second communication pipe 133. The first communication tube 132 communicates with the observation tube 131 and the small tub 120. The observation tube 131, the first communication tube 132, and the second communication tube 133 are substantially T-shaped. For example, the observation tube 131 is connected substantially in parallel with the second communication tube 133, and the first communication tube 132 is substantially perpendicular to the observation tube 131 and the second communication tube 133.
第二連通管133連通於觀察管131,用以將觀察管131內的黏膠10輸往一塗佈器20(塗佈器20繪示於第1A圖)。塗佈器20可將完成排氣的黏膠10塗佈於一光學元件(未繪示),如離型膜或偏光板。如第1A圖所示,閥門160設於第二連通管133。在觀察管131內的黏膠10完成排氣前,閥門160係呈關閉狀態,避免尚未完成排氣的黏膠10流往塗佈器20。 The second communication tube 133 is connected to the observation tube 131 for feeding the adhesive 10 in the observation tube 131 to an applicator 20 (applicator 20 is shown in FIG. 1A). The applicator 20 can apply the vented adhesive 10 to an optical component (not shown) such as a release film or a polarizing plate. As shown in FIG. 1A, the valve 160 is provided in the second communication pipe 133. Before the adhesive 10 in the sight tube 131 completes the exhaust, the valve 160 is closed, preventing the adhesive 10 that has not completed the exhaust from flowing to the applicator 20.
黏膠10從小桶槽120至觀察管131過程中會經過至少一管路(如第一連通管132),使管路內的空氣可能進入黏膠10內。然而,由於本實施例之黏膠10在輸往塗佈器20前會先於觀察管131內靜置,可使黏膠10內的殘留氣體脫離黏膠10。一實施例中,黏膠10可於觀察管131內靜置約半小時,然亦可視排氣狀況大於或小於半小時。 During the process from the small tub 120 to the viewing tube 131, the adhesive 10 passes through at least one pipeline (such as the first communicating tube 132), so that the air in the pipeline may enter the adhesive 10. However, since the adhesive 10 of the present embodiment is allowed to stand in the observation tube 131 before being sent to the applicator 20, the residual gas in the adhesive 10 can be released from the adhesive 10. In one embodiment, the glue 10 can be allowed to stand in the sight tube 131 for about half an hour, but it can also be seen that the exhaust condition is greater than or less than half an hour.
觀察管131包括透明窗1311,可讓位於觀察管131內的黏膠10從透明窗1311露出,以便於觀察第一排氣管130內的黏膠10的排氣狀況。透過觀察透明窗1311內的黏膠10的氣泡狀況,可決定是否開啟閥門160讓黏膠10輸往塗佈器20。例如,若透明窗1311內的黏膠10不再冒出氣泡或從冒出的氣泡量判定不足以影響黏膠10的品質,表示排氣大致上完成,可開啟閥門160讓黏膠10輸往塗佈器20。 The observation tube 131 includes a transparent window 1311 that allows the adhesive 10 located in the observation tube 131 to be exposed from the transparent window 1311 to facilitate observation of the exhaust state of the adhesive 10 in the first exhaust pipe 130. By observing the bubble condition of the glue 10 in the transparent window 1311, it can be determined whether the valve 160 is opened to allow the adhesive 10 to be delivered to the applicator 20. For example, if the adhesive 10 in the transparent window 1311 no longer emits bubbles or the amount of bubbles emerging is insufficient to affect the quality of the adhesive 10, indicating that the exhaust is substantially completed, the valve 160 can be opened to allow the adhesive 10 to be delivered to Applicator 20.
如第1A圖所示,觀察管131內的黏膠10亦可選擇性地回流至大桶槽110進行加壓脫泡,以加速氣體脫離黏膠10。 As shown in FIG. 1A, the adhesive 10 in the sight tube 131 can also be selectively returned to the large tank 110 for pressure defoaming to accelerate the gas from the adhesive 10.
第2圖繪示依照本發明一實施例之黏膠的脫泡方法的流 程圖。於步驟S110中,提供如第1A圖所示之脫泡設備100。於步驟S120中,以大桶槽110進行第一脫泡程序,例如是加壓脫泡程序。於步驟S130中,以小桶槽120進行第二脫泡程序,例如是靜置脫泡程序。於步驟S140中,以第一排氣管130進行第三脫泡程序,例如是靜置脫泡程序。 2 is a flow chart showing a method of defoaming a viscose according to an embodiment of the present invention. Cheng Tu. In step S110, the defoaming apparatus 100 as shown in Fig. 1A is provided. In step S120, the first defoaming process is performed in the vat 110, for example, a pressurized defoaming process. In step S130, the second defoaming process is performed in the keg tank 120, for example, a static defoaming process. In step S140, a third defoaming process is performed with the first exhaust pipe 130, for example, a static defoaming process.
黏膠10內的殘留氣體在經過多道脫泡程序後愈來愈少。第一脫泡程序、第二脫泡程序與第三脫泡程序係依序進行。一實施例中,脫泡量由大至小依序為:第一脫泡程序>第二脫泡程序>第三脫泡程序;也就是說,在第一道脫泡程序除去較多的氣泡,之後的脫泡程序可除殘留氣泡或不易去除的微小氣泡。 The residual gas in the adhesive 10 is less and less after a plurality of defoaming procedures. The first defoaming procedure, the second defoaming procedure, and the third defoaming procedure are performed sequentially. In one embodiment, the amount of defoaming is from large to small in order: first defoaming procedure > second defoaming procedure > third defoaming procedure; that is, removing more bubbles in the first defoaming procedure The subsequent defoaming procedure can remove residual bubbles or tiny bubbles that are difficult to remove.
如下表一所示,其實施例1係黏膠10經過脫泡設備100的黏膠脫泡結果,而比較例1係黏膠10經過大桶槽110及第一排氣管130(未經過小桶槽120)的脫泡結果,比較例2係黏膠10經過大桶槽110及小桶槽120(未經過第一排氣管130)的脫泡結果,比較例3係黏膠10只經過大桶槽110而未經過小桶槽120及第一排氣管130的脫泡結果。 As shown in the following Table 1, the first embodiment is the result of the defoaming of the adhesive 10 through the defoaming device 100, and the comparative example 1 is the adhesive 10 passing through the large tank 110 and the first exhaust pipe 130 (not through the keg As a result of the defoaming of the tank 120), Comparative Example 2 is the result of defoaming of the adhesive 10 through the large tank 110 and the small tank 120 (not passing through the first exhaust pipe 130), and the comparative example 3 is only passed through the large tank. 110 does not pass the defoaming result of the keg tank 120 and the first exhaust pipe 130.
由表一可知,黏膠10在使用實施例1的脫泡設備100進行脫泡後,無論是以自動檢查機、人員目視或光學檢驗,其氣泡數量小於比較例1至3,且光學品質也優於比較例1至3。 As can be seen from Table 1, after the defoaming of the viscose 10 using the defoaming apparatus 100 of Example 1, the number of bubbles is smaller than that of Comparative Examples 1 to 3, whether it is an automatic inspection machine, human visual inspection or optical inspection, and the optical quality is also Better than Comparative Examples 1 to 3.
綜合上述,本發明實施例之脫泡設備100可對黏膠10進行至少三道脫泡程序,以排除黏膠10內大部分或全部的氣體,確保提供給塗佈器20的黏膠10具有一定的品質,如黏性佳及/或光學特性(如透光率)佳等。由於本發明實施例之脫泡設備100對黏膠10進行至少三道脫泡程序,因此,即使黏膠10的黏度高,仍可充分排除黏膠10內的氣體。一實施例中,脫泡設備100可使黏膠10脫除90%以上,如至少99%的氣體。 In summary, the defoaming apparatus 100 of the embodiment of the present invention can perform at least three defoaming procedures on the adhesive 10 to exclude most or all of the gas in the adhesive 10, and ensure that the adhesive 10 provided to the applicator 20 has A certain quality, such as good adhesion and / or optical properties (such as light transmittance). Since the defoaming apparatus 100 of the embodiment of the present invention performs at least three defoaming procedures on the adhesive 10, even if the viscosity of the adhesive 10 is high, the gas in the adhesive 10 can be sufficiently excluded. In one embodiment, the defoaming device 100 can remove the adhesive 10 by more than 90%, such as at least 99% of the gas.
綜上所述,雖然本發明已以較佳實施例揭露如上,然其並非用以限定本發明。本發明所屬技術領域中具有通常知識者,在不脫離本發明之精神和範圍內,當可作各種之更動與潤飾。因此,本發明之保護範圍當視後附之申請專利範圍所界定者為準。 In conclusion, the present invention has been disclosed in the above preferred embodiments, and is not intended to limit the present invention. A person skilled in the art can make various changes and modifications without departing from the spirit and scope of the invention. Therefore, the scope of the invention is defined by the scope of the appended claims.
10‧‧‧黏膠 10‧‧‧Viscos
20‧‧‧塗佈器 20‧‧‧applicator
100‧‧‧脫泡設備 100‧‧‧Defoaming equipment
110‧‧‧大桶槽 110‧‧‧ large barrel
115‧‧‧脫泡機 115‧‧‧Defoaming machine
120‧‧‧小桶槽 120‧‧‧ small bucket
120a‧‧‧入口 120a‧‧‧ entrance
120t‧‧‧頂壁 120t‧‧‧ top wall
120w‧‧‧側壁 120w‧‧‧ side wall
120b‧‧‧底壁 120b‧‧‧ bottom wall
120e‧‧‧排氣口 120e‧‧‧Exhaust port
130‧‧‧第一排氣管 130‧‧‧First exhaust pipe
140‧‧‧第二排氣管 140‧‧‧Second exhaust pipe
150‧‧‧輸送管 150‧‧‧ delivery tube
160‧‧‧閥門 160‧‧‧ valve
G1‧‧‧氣體 G1‧‧‧ gas
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