WO2015176274A1 - 节能快速干燥设备 - Google Patents

节能快速干燥设备 Download PDF

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Publication number
WO2015176274A1
WO2015176274A1 PCT/CN2014/078125 CN2014078125W WO2015176274A1 WO 2015176274 A1 WO2015176274 A1 WO 2015176274A1 CN 2014078125 W CN2014078125 W CN 2014078125W WO 2015176274 A1 WO2015176274 A1 WO 2015176274A1
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Prior art keywords
cylinder
gas
separation cylinder
cold
energy
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PCT/CN2014/078125
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English (en)
French (fr)
Inventor
王邦枝
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王邦枝
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Application filed by 王邦枝 filed Critical 王邦枝
Priority to PCT/CN2014/078125 priority Critical patent/WO2015176274A1/zh
Publication of WO2015176274A1 publication Critical patent/WO2015176274A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B13/00—Conditioning or physical treatment of the material to be shaped
    • B29B13/06—Conditioning or physical treatment of the material to be shaped by drying

Definitions

  • the invention relates to the technical field of energy-saving rapid drying equipment, in particular to a quick drying device for accommodating a drying cylinder of plastic pellets. Background technique
  • the plastic pellets used in plastic molding need to be dried before the plastic pellets are melted and injected into the mold for molding.
  • the method of drying the plastic pellets is to put the plastic pellets into the cylinder, and then use a blower to match the heater, pump the hot air into the cylinder, and then discharge the exhaust gas used in the cylinder for drying the plastic pellets. .
  • the hot air enters the cylinder to dry the pellets, and the gas after the action forms a state of high temperature and high humidity, if the high-temperature gas is not removed further.
  • the moisture contained in the high temperature gas cannot be utilized again. Each time you reheat the cold air and then enter it into the barrel, it is obviously time consuming and wastes energy.
  • the surface of the plastic material particles will be dusty and oily. Therefore, after the hot air is used to dry the plastic material particles, the above-mentioned dust and oil are mixed inside, and if the mixed dust and oil are directly discharged, obviously It can cause air pollution.
  • filters can be used to filter dust and oil, because the gas output from the barrel has high humidity, the filter will be wet, which will cause dust and oil to adhere to the filter surface, reducing the filtration effect.
  • An object of the present invention is to provide an energy-saving rapid drying apparatus which is capable of rapid drying, improved filtration effect, and improved water removal effect.
  • an energy-saving rapid drying device for connecting a drying cylinder comprising:
  • a hot and cold air supply device is a first blower connected to a fluid chamber, and a first heater is provided Positioned in the fluid chamber, another shunt is coupled between the first blower and the fluid chamber, the first blower pumps in outside air, and a portion of the air passes through the shunt to the first heater and Forming a hot gas, and another portion of the air is output as a cold gas through the splitter;
  • a hot gas output line for connecting the fluid chamber to the drying cylinder, and hot gas passing through the first heater enters the drying cylinder through the hot gas output line;
  • a dust, water and oil filter collection device is a separation cylinder connected to a water collection cylinder, and the separation cylinder is connected to the water collection cylinder:
  • a cold gas output line for connecting the splitter and the separation cylinder, and the cold gas passing through the splitter enters the separation cylinder
  • An exhaust gas output line is connected to the drying cylinder and the separation cylinder, and the high temperature exhaust gas outputted from the drying cylinder enters the separation cylinder through the exhaust gas output pipeline;
  • the high-temperature exhaust gas enters the separation cylinder to exchange heat with the cold gas and the wall of the separation cylinder, thereby separating moisture and oil mixed with the high-temperature exhaust gas, and moisture and oil fall to the water collection cylinder, The dust impurities mixed with the high-temperature exhaust gas also fall with the water and the oil, so that the gas discharged from the separation cylinder is a clean gas.
  • the invention further includes a filter configured to connect the separation drum, and the gas discharged from the separation cylinder is discharged through the filter.
  • the present invention further includes a cooler, the cooler is disposed in the separation cylinder, and the cooler has a spacing from the inner cylinder wall of the separation cylinder; the cooler in the separation cylinder is a metal tube filled with a refrigerant; The refrigerant in the cooler is cold water or chilled water.
  • the shunt is a three-way joint.
  • the drying cylinder has a combination of a second blower and a second heater, and the hot gas outputted from the fluid chamber is pumped into the second heater through the second blower of the drying cylinder for secondary heating.
  • the present invention is for connecting a drying cylinder, comprising: a hot and cold air supply device connected to a dust, water, oil filter collection device, and the hot and cold air supply device is respectively connected to the dust, water and oil filter collection device Drying cylinder.
  • the hot and cold air supply device is configured to supply hot gas to the drying cylinder to dry the plastic pellets, and the dust, water and oil filter collecting device has a cooler; therefore, the oil is discharged from the drying cylinder.
  • the high-temperature and high-humidity gas enters the dust, water and oil filter collection device to exchange heat with the cold gas and the cooler outputted from the hot and cold air supply device, thereby separating moisture, oil and powder.
  • the cold gas outputted from the hot and cold air supply device enters the dust, water and oil filter collection device, and in addition to heat exchange with the high heat and high humidity exhaust gas mixed with oil, the dust, water,
  • the oil filtration collecting device forms a pressure accumulating function, thereby improving the effect of separating moisture and oil quality from the high-temperature and high-humidity exhaust gas.
  • Figure 1 is a schematic view showing the arrangement of the present invention and a drying cylinder.
  • Figure 2 is a knot of the dust, water and oil filter collection device of the present invention.
  • Figure 3 is a schematic view showing another configuration of the present invention and the drying cylinder.
  • FIG. 1 Please refer to Figure 1.
  • the figure shows a drying cylinder (10) connected to a hot and cold air supply unit (20) and a dust, water and oil filter collection unit (30).
  • the hot and cold air supply unit (20) is also connected to the dust, water and oil filter collection unit (30).
  • the hot and cold air supply device (20) has a first blower (22) connected to a fluid chamber (24), and a first heater (26) is disposed in the fluid chamber (24).
  • a further splitter (28) is coupled between the first blower (22) and the fluid compartment (24) for pumping outside air into the fluid compartment (24).
  • a portion of the air may pass through the splitter (28) to the first heater (26), and is heated by the first heater (26) to form hot gas, and another portion of the air is passed through.
  • the flow splitter (28) is output in the form of a cold gas.
  • the splitter (28) is a three-way joint.
  • the dust, water and oil filter collection device (30) is a cylindrical shape of the separation cylinder (32) internally provided with a cooler (34), and the bottom of the separation cylinder (32)
  • a water collection cartridge (38) is mated.
  • the water collection cylinder (38) is in communication with the separation cylinder (32).
  • the cooler (34) and the inner cylinder of the separation cylinder (32) There is a spacing (36) between the walls, and the cooler (34) is a surrounding metal tube which can be filled with only gas or internally filled with refrigerant, and the filling refrigerant is cold water or chilled water.
  • a further filter (40) is provided and attached to the top of the separation barrel (32).
  • the present invention provides another, more compact structural design in which the separation canister (32;) has no internal configuration cooler (34). However, regardless of the presence or absence of a cooler (34) in the separation cartridge (32), a gas conduit (48) is disposed within the separation cartridge (32) and communicates with a filter (40).
  • the drying cylinder (10) is a combination of a second blower (12) and a second heater (14).
  • the hot gas passing through the first heater (26) can pass through the hot gas output line (42) to the second blower (12), and is subjected to the second blower (12) and the second heater ( The effect of 14) further increases the temperature and enters the drying cylinder (10).
  • the hot gas that completes the secondary heating can be used to dry the plastic pellets in the drying cylinder (10).
  • a cold gas output line (44) is used to connect the splitter (28) to the separation barrel (32). Further, the cold gas passing through the flow divider (28) enters the separation cylinder (32) via the cold gas output line (44) and accumulates pressure in the separation cylinder (32).
  • An exhaust gas output line (46;) is used to connect the drying cylinder (10) to the separation cylinder (32).
  • the high temperature exhaust gas output from the drying cylinder (10) can enter the separation cylinder (32) through the exhaust gas output line (46). It is worth noting that plastic pellets will have oil, moisture and dust impurities.
  • the high-temperature exhaust gas mixed with oil, moisture and dust enters the separation cylinder (32;) and can be separated from the cold gas.
  • the wall of the cylinder (32;) generates heat exchange to lower the temperature, so that moisture, oil and dust mixed in the high-temperature exhaust gas are separated and dropped.
  • the high-temperature exhaust gas can be brought into contact with the cooler (34) to generate heat exchange to lower the temperature, so that the high-temperature exhaust gas can generate condensed water and fall to the water collecting cylinder (38), in addition to the oil quality and the portion.
  • the water may temporarily adhere to the inner wall surface of the cooler (34) and the separation cylinder (32;), and then slide down to the water collection cylinder (38;).
  • dust impurities mixed with the high-temperature exhaust gas may also fall to the water collecting cylinder (38) along with the condensed water and oil.
  • the gas containing a relatively low amount of dust impurities can be discharged from the filter (40) above the separation cylinder (32) via the gas conduit (48), and thus discharged from the dust, water, and oil filter collection device (30).
  • the gas of the separation cylinder (32;) is a clean gas.
  • the invention can be combined with the drying cylinder (10) to provide secondary heating to the gas, which can not only provide high-temperature drying effect, but also the heating effect of the first heater (26) on the air, and can also shorten the heating time of the second heater (14). .
  • the gas in the separation cylinder (32) can enter the drying cylinder (10) through the exhaust gas output line (46) (as indicated by a broken line;), thereby forming a pressure accumulation state in the drying cylinder (10). Therefore, the secondary heated gas can remain in the drying cylinder (10) for a long time, and the high temperature gas can be distributed over a wide range.
  • the present invention not only allows the plastic pellets closer to the bottom of the drying cylinder (10) to be dried, but also the plastic pellets at other locations are also subjected to high temperature gas drying because the high temperature gas is not rapidly discharged. Therefore, after the plastic pellets at the bottom of the drying cylinder (10) are discharged, the subsequently replenished plastic pellets are also subjected to preheating drying, so that the re-drying time can be shortened.
  • the hot and cold air supply device (20) and the dust, water, and oil filter collection device (30) are each a separate device, however, the present invention may provide another combination.
  • the hot and cold air supply device (20) of the present invention and the dust, water and oil filter collection device (30) may be integrated into one device, and the hot and cold air supply device (20) and the dust
  • the water and oil filter collection device (30) and the drying cylinder (10) are also connected with a hot gas output line (42), a cold gas output line (44) and an exhaust gas output line (46).

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drying Of Solid Materials (AREA)

Abstract

一种节能快速干燥设备，包括冷热空气供应装置（20），以及与该供应装置连接的过滤收集装置（30）。且冷热空气供应装置与过滤收集装置均与干燥筒（10）连接。冷热空气供应装置向干燥筒提供热空气以对塑料料粒进行干燥，并向过滤收集装置提供冷气体。过滤收集装置具有冷却器（34）。自干燥筒的气体可输入过滤收集装置，与冷气体以及冷却器相互作用，从而实现杂质的分离。

Description

节能快速干燥设备 技术领域
本发明涉及一种节能快速干燥设备的技术领域， 特别是用于容置塑料料粒 的干燥筒之快速干燥设备。 背景技术
一般塑料成型所使用的塑料料粒需先加以干燥后， 才会使塑料料粒熔融及 注入模具内进行成型。 干燥塑料料粒的方式是将塑料料粒放入料筒内， 然后以 鼓风机搭配加热器， 将热空气泵入该料筒内， 然后再将料筒内已用于干燥塑料 料粒的废气排出。
上述的方式及设备虽然对塑料料粒具备干燥的效果， 但热空气进入料筒对 料粒进行干燥后， 作用后的气体会形成高温、 高湿度的状态， 若没有进一歩地 除去高温气体内所含的水分， 该高温气体便无法再次被利用。 每次重新将冷空 气加热后再输入料筒内， 显然费时而且浪费能源。
此外塑料料粒表面会有粉尘与油质， 所以该热空气用以干燥该塑料料粒后， 其内部会混有上述的粉尘与油质， 若直接将混有粉尘与油质排出， 明显地会导 致空气污染。 虽然可以利用过滤器来过滤粉尘与油质， 但因为由料筒输出的气 体具有高湿度， 因此会使过滤器潮湿， 进而导致粉尘与油质黏附在过滤器表面， 降低过滤效果。 发明内容
本发明的目的在于提供一种节能快速干燥设备， 其具有能够快速干燥、 提 高过滤效果以及提高除水效果。
为达上述的目的与功效， 本发明是这样实现的， 一种节能快速干燥设备， 是用以连接一干燥筒， 其包含：
一冷热空气供应装置， 是一第一鼓风机连接一流体舱， 且一第一加热器配 置在该流体舱内， 又一分流器配接在该第一鼓风机与该流体舱之间， 该第一鼓 风机泵入外界空气， 一部份的空气经该分流器到达该第一加热器且形成热气体， 另一部份的空气经该分流器以冷气体的形式输出；
一热气体输出管路， 是用以连接该流体舱与该干燥筒， 且经过该第一加热 器的热气体经该热气体输出管路进入该干燥筒；
一尘、 水、 油过滤收集装置， 是一分离筒连接一集水筒， 且该分离筒与该 集水筒相通：
一冷气体输出管路， 是用以连接该分流器与该分离筒， 且经过该分流器的 冷气体进入该分离筒；
一废气输出管路， 是用以连接干燥筒与该分离筒， 且输出自该干燥筒的高 温废气藉该废气输出管路进入该分离筒；
其中该高温废气进入该分离筒与该冷气体及该分离筒的筒壁产生热交换作 用， 进而分离出混于该高温废气的水分与油质， 且水分与油质落向该集水筒， 此外混于该高温废气的粉尘杂质也随水分及油质落下， 进而使得自该分离筒排 出的气体为干净气体。
本发明更包含一过滤器， 该过滤器配置连接该分离筒， 且自该分离筒排出 的气体是经过该过滤器而排出。
本发明更包含一冷却器， 该冷却器配置在该分离筒内， 且该冷却器与该分 离筒的内部筒壁间具有一间距； 该分离筒内的冷却器是一金属管内部填充冷媒; 该冷却器内的冷媒为冷水或冷冻水。
所述的分流器为三通接头。
所述的干燥筒具有一第二鼓风机及一第二加热器的组合， 输出自该流体舱 的热气体经该干燥筒的第二鼓风机泵入该第二加热器进行二次加热。
本发明是用以连接一干燥筒， 其包含： 一冷热空气供应装置连接一尘、 水、 油过滤收集装置， 且该冷热空气供应装置与该尘、 水、 油过滤收集装置分别连 接该干燥筒。 特别是， 该冷热空气供应装置用以提供热气体给干燥筒以对塑料 料粒进行干燥， 该尘、 水、 油过滤收集装置具有一冷却器； 故输出自该干燥筒 的混有油渍的高温高湿气体进入该尘、 水、 油过滤收集装置可与输出自该冷热 空气供应装置的冷气体及该冷却器热交换作用， 进而达到分离水分、 油质及粉 此外输出自该冷热空气供应装置的冷气体进入该尘、 水、 油过滤收集装置， 除了可以与混有油质的高热高湿的废气产生热交换作用外， 还可对该尘、 水、 油过滤收集装置形成蓄压作用， 藉此提高自该高温高湿之废气分离出水分及油 质的效果。 附图说明
图 1为本发明与干燥筒的配置示意图。
图 2为本发明尘、 水、 油过滤收集装置的结 7K
图 3为本发明与干燥筒的另一配置示意图。
符号说明：
(10)干燥筒 （12)第二鼓风机 (14)第二加热器
(20)冷热空气供应装置 （22)第一鼓风机 (24)流体舱
(26)第一加热器 （28)分流器 (30)尘、 水、 油过滤收集装置
(32)分离筒 （34)冷却器 (36)间距
(38)集水筒 （40)过滤器 (42)热气体输出管路
(44)冷气体输出管路 （46)废气输出管路 (48)气体导管 具体实施方式
请参阅图 1， 图中显示一干燥筒（10)是连接一冷热空气供应装置 (20)及一 尘、 水、 油过滤收集装置（30)。 且该冷热空气供应装置 (20)与该尘、 水、 油过 滤收集装置（30)也相连。
请参阅图 1、 图 2， 该冷热空气供应装置（20)是具有一第一鼓风机 (22)连接 一流体舱 (24)， 且一第一加热器（26)配置在该流体舱 (24)内， 又一分流器 (28) 配接在该第一鼓风机 (22)与流体舱 (24)之间， 该第一鼓风机 (22)用以将外界空 气泵入该流体舱 (24)， 特别是一部份的空气可经该分流器 (28)到达该第一加热 器 (26)， 且受该第一加热器 (26)的加热作用而形成热气体， 另一部份的空气经 该分流器 (28)以冷气体的形式输出。 又该分流器 (28)为一个三通接头。
请再参阅图 1、 图 2， 该尘、 水、 油过滤收集装置（30)是一筒状形态的分离 筒（32)内部配置一冷却器（34)， 且该分离筒（32)的底部配接一集水筒（38)。 该 集水筒（38)与该分离筒（32)相连通。 又该冷却器（34)与该分离筒（32)的内部筒 壁间具有一间距（36)， 此外该冷却器 ( 34 )是一环绕的金属管， 其内部可以仅填 充气体， 或是内部填充冷媒， 且该填充冷媒为冷水或冷冻水。 又一过滤器 (40) 用以配置且连接在该分离筒（32)的顶部。
此外， 本发明可提供另一种更精简的结构设计， 其是该分离筒 ( 32；)内部无 配置冷却器（34)。 然而无论分离筒（32)内有无冷却器（34)， 一气体导管 (48)配 置在该分离筒（ 32 )内且连通一过滤器 ( 40 )。
再请参阅图 1，该干燥筒（10)是具有一第二鼓风机（12)及一第二加热器（14 ) 的组合。
一热气体输出管路 (42 )是用以连接该流体舱 ( 24)与该干燥筒（10)， 特别是 该热气体输出管路 (42)的二端分别连接该流体舱 ( 24)与该第二鼓风机（12)。 换 言之， 经过该第一加热器（26)的热气体可再经该热气体输出管路（42)到达该第 二鼓风机（ 12)， 且受该第二鼓风机（ 12)及第二加热器（ 14 )的作用进而提高温度 及进入该干燥筒（ 10)内。 完成二次加热的热气体可用以干燥该干燥筒（ 10)内的 塑料料粒。
一冷气体输出管路 (44 )是用以连接该分流器 ( 28)与该分离筒（32)。 更进一 歩， 经过该分流器（28)的冷气体经由该冷气体输出管路 (44)进入该分离筒（32) 内且对该分离筒 ( 32)内形成蓄压。
一废气输出管路 (46；)是用以连接干燥筒（10)与该分离筒（32)。 输出自该干 燥筒（10)的高温废气， 可藉由该废气输出管路 (46)进入该分离筒（32)。 值得注 意的是， 塑料料粒会具有油质、 水分及粉尘杂质。
由于该分离筒（32)内壁面与冷却器（34)间具有一间距（36)， 所以该混有油 质、 水分及粉尘的高温废气进入该分离筒 ( 32；)可与冷气体及分离筒 ( 32；)的筒壁 产生热交换作用而降低温度， 进而使混在高温废气内的水分、 油质及粉尘被分 离出来且落下。 再者更可以使该高温废气与该冷却器 ( 34)接触并产生热交换作 用而降低温度， 如此一来， 高温废气可产生凝结水且落向该集水筒 ( 38)， 此外 油质及部分的水可以暂时地附着在冷却器 ( 34)与分离筒 ( 32；)内壁面， 进而滑落 至该集水筒（38；)。 此外混于该高温废气的粉尘杂质也可以随该凝结水及油质落 向该集水筒（38)。 是以含有较低量粉尘杂质的气体可再经该气体导管 (48)由该 分离筒（32)上方的过滤器 ( 40)排出， 如此排出自该尘、水、油过滤收集装置（30) 之分离筒 ( 32；)的气体为干净气体。 本发明搭配干燥筒（ 10 )可以对气体提供二次加热， 不但可以提供高温干燥 效果， 该第一加热器 ( 26)对空气的加热作用， 还可以缩短第二加热器（14)的加 热时间。
此外分离筒（32)内气体可通过该废气输出管路 (46 )而进入该干燥筒（10)内 (如虚线所示；)， 藉此使得该干燥筒（10)内可以形成蓄压状态， 因此经过二次加 热的气体可以在该干燥筒（10)内留滞较长时间， 且高温的气体可以分布在较大 范围。 换言之， 本发明不但可以使较接近干燥筒（10)底部的塑料料粒完成干燥， 其他位置的塑料粒也因高温气体不会快速排出之故， 而受到高温气体的干燥。 是以当干燥筒（10)底部的塑料料粒排出后， 随后递补的塑料料粒亦经过预热的 干燥作用， 故可以缩短再干燥的时间。
在前述的实施例中， 该冷热空气供应装置 ( 20)与该尘、 水、 油过滤收集装 置 ( 30)各自是独立的装置， 然而本发明可提供另一种组合形式。 请参阅图 3， 本 发明的该冷热空气供应装置 ( 20)与该尘、 水、 油过滤收集装置（30)可以被整合 成一个设备， 且该冷热空气供应装置（20)与该尘、 水、 油过滤收集装置（30)及 该干燥筒（10)同样搭配一热气体输出管路 (42)、 一冷气体输出管路 (44)及一废 气输出管路（46)形成连接。
上述实施例仅为例示性说明本发明之技术及其功效， 而非用于限制本发明。 是以任何熟于此项技术人士在不违背本发明之技术原理及精神的情况下， 对上 述实施例进行修改及变化， 均应受本发明之申请专利范围所拘束。

Claims

权利要求书
1、 一种节能快速干燥设备， 是用以连接一干燥筒， 其特征在于它包含： 一冷热空气供应装置， 是一第一鼓风机连接一流体舱， 且一第一加热器配 置在该流体舱内， 又一分流器配接在该第一鼓风机与该流体舱之间， 该第一鼓 风机泵入外界空气， 一部份的空气经该分流器到达该第一加热器且形成热气体， 另一部份的空气经该分流器以冷气体的形式输出；
一热气体输出管路， 是用以连接该流体舱与该干燥筒， 且经过该第一加热 器的热气体经该热气体输出管路进入该干燥筒；
一尘、 水、 油过滤收集装置， 是一分离筒连接一集水筒， 且该分离筒与该 集水筒相通：
一冷气体输出管路， 是用以连接该分流器与该分离筒， 且经过该分流器的 冷气体进入该分离筒；
一废气输出管路， 是用以连接干燥筒与该分离筒， 且输出自该干燥筒的高 温废气藉该废气输出管路进入该分离筒；
其中该高温废气进入该分离筒与该冷气体及该分离筒的筒壁产生热交换作 用， 进而分离出混于该高温废气的水分与油质， 且水分与油质落向该集水筒， 此外混于该高温废气的粉尘杂质也随水分及油质落下， 进而使得自该分离筒排 出的气体为干净气体。
2、 根据权利要求 1所述的节能快速干燥设备， 其特征为更包含一过滤器， 该过滤器配置连接该分离筒， 且自该分离筒排出的气体是经过该过滤器而排出。
3、 根据权利要求 1所述的节能快速干燥设备， 其特征为更包含一冷却器， 该冷却器配置在该分离筒内， 且该冷却器与该分离筒的内部筒壁间具有一间距。
4、 根据权利要求 3所述的节能快速干燥设备， 其特征为该分离筒内的冷 却器是一金属管内部填充冷媒。
5、 根据权利要求 4所述的节能快速干燥设备， 其特征为该冷却器内的冷 媒为冷水或冷冻水。
6、 根据权利要求 1所述的节能快速干燥设备， 其特征为该分流器为三通 接头。
7、 根据权利要求 1所述的节能快速干燥设备， 其特征为该干燥筒具有一 第二鼓风机及一第二加热器的组合， 输出自该流体舱的热气体经该干燥筒的第 二鼓风机泵入该第二加热器进行二次加热。
PCT/CN2014/078125 2014-05-22 2014-05-22 节能快速干燥设备 WO2015176274A1 (zh)

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CN201070809Y (zh) * 2007-07-06 2008-06-11 王邦枝 适用于塑料料粒干燥系统之杂质去除装置
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