TW201822870A - Wet dust collector - Google Patents
Wet dust collector Download PDFInfo
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- TW201822870A TW201822870A TW106137792A TW106137792A TW201822870A TW 201822870 A TW201822870 A TW 201822870A TW 106137792 A TW106137792 A TW 106137792A TW 106137792 A TW106137792 A TW 106137792A TW 201822870 A TW201822870 A TW 201822870A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
- B01D45/04—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by utilising inertia
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/02—Separating dispersed particles from gases, air or vapours by liquid as separating agent by passing the gas or air or vapour over or through a liquid bath
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
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- Chemical Kinetics & Catalysis (AREA)
- Separation Of Particles Using Liquids (AREA)
- Separating Particles In Gases By Inertia (AREA)
Abstract
Description
本發明係關於一種使氣體中之粉塵與液體接觸而將其捕獲之濕式集塵機，尤其是，係關於一種適合於食品工廠中使用之濕式集塵機。 The present invention relates to a wet dust collector that brings dust in a gas into contact with a liquid and captures the same, and particularly relates to a wet dust collector suitable for use in a food factory.
於食品工廠中，若投入至槽之小麥粉等原料粉體起塵而導致粉塵堆積於工廠之樑，則有因黴或細菌引起微生物污染之危險。又，若粉塵混入至其他製品之槽或製造線，則會帶來引起食品過敏或威脅食品安全之結果。因此，近年來，於食品行業亦開始使用集塵機。 In a food factory, if the raw material powder such as wheat flour put into the tank is dusted and the dust is accumulated on the beam of the factory, there is a risk of microbial contamination caused by mold or bacteria. In addition, if dust is mixed into the tank or manufacturing line of other products, it will bring about the result of causing food allergy or threatening food safety. Therefore, in recent years, dust collectors have also been used in the food industry.
作為集塵機，熟知有使用過濾器捕獲粉塵之過濾式集塵機或使粉塵與液體接觸而將其捕獲至液體中之濕式集塵機。過濾式集塵機會因濕氣而引起過濾器網目堵塞，因此，雖然於濕氣較少之食品工廠中無問題，但並不適合於濕氣較多之食品工廠中使用。與此相對，濕式集塵機不存在因濕氣引起過濾器網目堵塞之情況，因此，適合於濕氣較多之食品工廠中使用。 As a dust collector, a filter type dust collector that uses a filter to capture dust or a wet type dust collector that contacts dust with a liquid and captures the dust into a liquid is well known. The filter type dust collector will block the filter mesh due to moisture. Therefore, although there is no problem in a food factory with less moisture, it is not suitable for use in a food factory with more moisture. In contrast, wet dust collectors do not block the filter mesh due to moisture, so they are suitable for use in food factories with high humidity.
於專利文獻1中示出濕式集塵機之一例。於該濕式集塵機中，於下部設置有貯存液體之液浴槽，且於其上部，以由液面及壁隔離之方式設置有一次側之空氣室及二次側之空氣室。於運轉時，將流入至一次側之空氣室之含塵氣流經由包括S字狀動葉輪之 流通路而向二次側之空氣室引導。此時，由於流通路中之壓力損失，而二次側之空氣室之氣壓變得低於一次側之空氣室之氣壓，因此，一次側之液面下降，而二次側之液面上升。而且，於含塵氣流通過流通路時發生液體之捲起，捲起之液體與氣流中之粉塵接觸，而將粉塵捕獲至液體中。 An example of a wet dust collector is shown in patent document 1. In this wet type dust collector, a liquid bath for storing liquid is provided at the lower part, and an air chamber on the primary side and an air chamber on the secondary side are provided on the upper part of the wet dust collector in a manner separated by the liquid surface and the wall. During operation, the dust-containing airflow flowing into the air chamber on the primary side is guided to the air chamber on the secondary side through a flow path including an S-shaped moving impeller. At this time, due to the pressure loss in the flow path, the air pressure of the air chamber on the secondary side becomes lower than that of the air chamber on the primary side. Therefore, the liquid level on the primary side decreases and the liquid level on the secondary side rises. Moreover, when the dust-containing airflow passes through the flow path, the liquid is rolled up, and the rolled-up liquid contacts the dust in the airflow to capture the dust into the liquid.
於此種S字動葉輪型之濕式集塵機中，運轉時之液面管理成為影響捕獲性能之重要之要素。若液面低於既定水位，則於S字動葉輪部分，液體之捲起變得不充分，而捕獲效率降低。相反地，若液面高於既定水位，則S字動葉輪部分之氣體通路變窄而無法確保既定之風量。因此，於專利文獻1中，設置分別控制一次側及二次側之空氣室之液面之第1及第2液位調整箱，藉由設於各液位調整箱之溢流管之上端位置，而管理一次側及二次側之液位。各液位調整箱內之液面與各空氣室之液面分離，僅藉由各空氣室之氣壓之差壓進行控制。因此，即便各空氣室之液面起伏，各調整箱內之液面亦不會受到影響，而維持穩定之液位。 In such a S-type moving impeller type wet dust collector, the liquid level management during operation becomes an important factor affecting the capture performance. If the liquid level is lower than the predetermined water level, the liquid winding up becomes insufficient at the S-shaped moving impeller portion, and the capture efficiency decreases. Conversely, if the liquid level is higher than a predetermined water level, the gas path of the S-shaped moving impeller portion becomes narrower and the predetermined air volume cannot be ensured. Therefore, in Patent Document 1, first and second liquid level adjustment tanks for controlling the liquid level of the air chambers on the primary and secondary sides are provided, and the upper ends of the overflow pipes of the liquid level adjustment tanks , And manage the primary and secondary level. The liquid level in each liquid level adjustment box is separated from the liquid level in each air chamber, and it is controlled only by the differential pressure of the air pressure in each air chamber. Therefore, even if the liquid level of each air chamber fluctuates, the liquid level in each adjustment box is not affected, and a stable liquid level is maintained.
[專利文獻1]日本專利第4799400號公報 [Patent Document 1] Japanese Patent No. 4799400
於專利文獻1之濕式集塵機中，含塵氣流於通過S字狀動葉輪時使一次側之液體捲起，而與該液體接觸。即，一面使一次側之液體捲起一面進行氣液接觸。因此，必須嚴格管理一次側之液位。又，由於必須使重於空氣之液體捲起，故而S字狀動葉輪中 之壓力損失增大，而需要較大之能量(動力)。 In the wet-type dust collector of Patent Document 1, the dust-containing airflow causes the liquid on the primary side to be rolled up and comes into contact with the liquid when passing through the S-shaped moving impeller. That is, gas-liquid contact is performed while rolling up the liquid on the primary side. Therefore, the liquid level in the primary side must be strictly managed. In addition, since a liquid that is heavier than air must be rolled up, the pressure loss in the S-shaped moving impeller is increased, and a large amount of energy (power) is required.
本發明係鑒於上述方面，其目的在於提供一種無須嚴格管理液位且能夠以較少之壓力損失獲得較高之捕獲效率的濕式集塵機。 The present invention is made in view of the above-mentioned aspects, and an object thereof is to provide a wet dust collector that does not require strict management of the liquid level and can obtain higher capture efficiency with less pressure loss.
本發明之濕式集塵機係具備：貯存部，其貯存液體；一次側之第1空氣室，其被導入含塵氣流；二次側之第2空氣室，其將集塵後之氣流排出；及第1間隔壁，其區隔出第1空氣室及第2空氣室；且使自第1空氣室向第2空氣室流動之含塵氣流與貯存部之液體接觸而將該含塵氣流中之粉塵捕獲至液體中，其進而具備：第2間隔壁，其將貯存部劃分為與第1空氣室連通之第1貯存部及與第2空氣室連通之第2貯存部；及第1狹窄部，其形成於第1間隔壁與第2間隔壁之間。於含塵氣流自第1空氣室通過第1狹窄部而向第2空氣室流動時，藉由第1空氣室與第2空氣室之壓力差而自第2貯存部溢流出之液體與已通過第1狹窄部之含塵氣流接觸，而將該含塵氣流中之粉塵捕獲至液體中。 The wet dust collector of the present invention is provided with: a storage section that stores liquid; a first air chamber on the primary side, which is introduced with a dust-containing airflow; a second air chamber on the secondary side, which discharges the airflow after the dust collection; and The first partition wall partitions the first air chamber and the second air chamber; and the dust-containing air flow flowing from the first air chamber to the second air chamber is brought into contact with the liquid in the storage part to thereby remove the dust-containing air stream. The dust is captured in the liquid, and further includes a second partition wall that divides the storage section into a first storage section communicating with the first air chamber and a second storage section communicating with the second air chamber; and a first narrow section It is formed between the first partition wall and the second partition wall. When the dust-containing airflow flows from the first air chamber to the second air chamber through the first narrow section, the liquid overflowing from the second storage section due to the pressure difference between the first air chamber and the second air chamber and the passed The dust-containing airflow in the first narrow portion comes into contact, and the dust in the dust-containing airflow is captured into the liquid.
根據此種構成，於二次側，已通過第1狹窄部之含塵氣流一面使溢流出之液體上噴一面進行氣液接觸，因此，無須嚴格管理一次側之液位。又，於二次側，亦可藉由適當地設定第2貯存部之上下位置而確保溢流之液體之必需量，因此，亦無須嚴格管理二次側之液位。進而，於氣液接觸時，無須使液體捲起，而藉由一次側及二次側之壓力差(靜壓)使液體溢流，因此，能夠以較少之壓力損失獲得較高之捕獲效率。 According to this configuration, on the secondary side, the spilled liquid has been sprayed on the secondary side through the dust-containing airflow for gas-liquid contact, so there is no need to strictly control the liquid level on the primary side. In addition, on the secondary side, it is also possible to appropriately set the upper and lower positions of the second storage section to ensure a necessary amount of overflowed liquid, so there is no need to strictly manage the liquid level on the secondary side. Furthermore, when gas-liquid contact occurs, the liquid does not need to be rolled up, and the liquid is overflowed by the pressure difference (static pressure) between the primary side and the secondary side. Therefore, higher capture efficiency can be obtained with less pressure loss. .
根據本發明之較佳之實施形態，第2間隔壁之上端係 設定於較第2貯存部之液體藉由上述壓力差升高時之液面低之位置，且與第2間隔壁之上端和上述液面之高度之差相應之始終固定量之液體自第2貯存部溢流。 According to a preferred embodiment of the present invention, the upper end of the second partition wall is set at a position lower than the liquid level when the liquid in the second storage portion rises by the above-mentioned pressure difference. The liquid level always overflows from the second storage portion in accordance with the difference in the height of the liquid surface.
於本發明中，亦可為，第1間隔壁及第2間隔壁例如包含中空之筒狀體，第1間隔壁之外部為第1空氣室，內部為第2空氣室，且第2間隔壁之外部為第1貯存部，內部為第2貯存部。於該情形時，氣流自外側向內側流動。或者，亦可與此相反地，第1間隔壁之內部為第1空氣室，外部為第2空氣室，且第2間隔壁之內部為第1貯存部，外部為第2貯存部。於該情形時，氣流自內側向外側流動。 In the present invention, the first partition wall and the second partition wall may include, for example, a hollow cylindrical body, the outside of the first partition wall is a first air chamber, the inside is a second air chamber, and the second partition wall The outside is the first storage section, and the inside is the second storage section. In this case, the airflow flows from the outside to the inside. Alternatively, the inside of the first partition wall may be the first air chamber, the outside may be the second air chamber, and the inside of the second partition wall may be the first storage unit and the outside may be the second storage unit. In this case, the airflow flows from the inside to the outside.
於本發明中，亦可為第1間隔壁及第2間隔壁分別為板體。於該情形時，隔著第1間隔壁，一側為第1空氣室，另一側為第2空氣室。又，隔著第2間隔壁，第1空氣室側為第1貯存部，第2空氣室側為第2貯存部。 In the present invention, the first partition wall and the second partition wall may be plate bodies, respectively. In this case, across the first partition wall, one side is a first air chamber, and the other side is a second air chamber. In addition, across the second partition wall, the first air chamber side is a first storage unit, and the second air chamber side is a second storage unit.
於本發明中，亦可為第1間隔壁及第2間隔壁於隔著第1狹窄部對向之部分具有褶皺部。 In the present invention, the first partition wall and the second partition wall may have a wrinkled portion at a portion facing the first narrow portion.
於本發明中，亦可設置用以使與含塵氣流接觸而飛散之液體返回至第1貯存部之回流管。 In the present invention, a return pipe may be provided for returning the liquid scattered by contact with the dust-containing air flow to the first storage section.
根據本發明之較佳之實施形態，於第2貯存部之上方，設置將與含塵氣流接觸而飛散之液體擋住之擋板。又，於該擋板之上方，設置將液體之飛沫擋住之除霧器。 According to a preferred embodiment of the present invention, a baffle is provided above the second storage portion to block the liquid that comes in contact with the dust-containing airflow and scatters. A mist eliminator is provided above the baffle to block liquid droplets.
於本發明中，亦可為，於擋板之下方，設置於與該擋板對向之位置具有開口部之開口板，且於該開口板之開口部周緣與擋板之間形成第2狹窄部。 In the present invention, an opening plate provided with an opening portion at a position opposite to the baffle plate may be provided below the baffle plate, and a second narrowness may be formed between the peripheral edge of the opening portion of the opening plate and the baffle plate. unit.
於本發明中，亦可為，第2間隔壁包括於上下方向上錯開而配設之上部第2間隔壁、及下部第2間隔壁，且第1狹窄部包括形成於第1間隔壁與上部第2間隔壁之間之上部第1狹窄部、及形成於第1間隔壁與下部第2間隔壁之間之下部第1狹窄部。又，第2貯存部亦可包括由上部第2間隔壁形成之上部第2貯存部、及由下部第2間隔壁形成之下部第2貯存部。於該情形時，含塵氣流通過下部第1狹窄部之後，與自下部第2貯存部溢流出之液體接觸，然後，通過上部第1狹窄部之後，與自上部第2貯存部溢流出之液體接觸。 In the present invention, the second partition wall may include an upper second partition wall and a lower second partition wall which are staggered in the vertical direction, and the first narrow portion includes a first partition wall and an upper portion. An upper first narrowed portion between the second partitions, and a first narrowed lower portion formed between the first partition and the lower second partition. The second storage portion may include a second storage portion formed by an upper second partition wall and a second storage portion formed by a lower second partition wall. In this case, after passing through the lower first narrow portion, the dust-containing airflow comes into contact with the liquid overflowing from the lower second storage portion, and then passes through the upper first narrow portion and then flows with the liquid overflowing from the upper second storage portion. contact.
於本發明中，亦可為，於含塵氣流自第1空氣室流入至第1狹窄部之前，使該含塵氣流與第1貯存部之液體接觸。 In the present invention, the dust-containing airflow may be brought into contact with the liquid in the first storage portion before the dust-containing airflow flows from the first air chamber to the first narrow portion.
於本發明中，亦可為，第1間隔壁與第2間隔壁之組合係設置複數組。 In the present invention, a complex array may be provided for a combination of the first partition wall and the second partition wall.
作為本發明之其他形態，亦可藉由自外部向貯存部供給液體而使貯存部之液體溢流。於該情形時，貯存部係形成於可進行液體之注入之容器之內部，且與第2空氣室連通地設置。又，設置用以對該貯存部供給液體之供給路。於第1間隔壁與容器之間形成狹窄部。 As another aspect of the present invention, the liquid in the storage section may be overflowed by supplying the liquid to the storage section from the outside. In this case, the storage portion is formed inside the container capable of injecting liquid, and is provided in communication with the second air chamber. A supply path for supplying liquid to the storage section is provided. A narrow portion is formed between the first partition wall and the container.
液體可自供給路直接朝貯存部供給，亦可設置第1供給路及第2供給路而將自第1供給路朝集塵機內供給之液體藉由動力源自第2供給路朝貯存部供給。於該情形時，自供給路朝貯存部供給之液體較佳為淨水。 The liquid may be directly supplied from the supply path to the storage section, or a first supply path and a second supply path may be provided to supply the liquid supplied from the first supply path into the dust collector to the storage section by power from the second supply path. In this case, the liquid supplied from the supply path to the storage section is preferably purified water.
根據本發明，能夠提供一種無須嚴格管理液位且能夠 以較少之壓力損失獲得較高之捕獲效率之濕式集塵機。 According to the present invention, it is possible to provide a wet dust collector that does not require strict management of the liquid level and can obtain higher capture efficiency with less pressure loss.
1‧‧‧台座 1‧‧‧ pedestal
2‧‧‧框架 2‧‧‧ frame
3、80‧‧‧槽 3, 80‧‧‧ slots
4‧‧‧圓筒汽缸 4‧‧‧ cylinder
5‧‧‧除霧器 5‧‧‧ demister
6‧‧‧過濾器 6‧‧‧ Filter
7‧‧‧送風機單元 7‧‧‧ blower unit
8‧‧‧腳輪 8‧‧‧ casters
9、84‧‧‧氣流導入管 9, 84‧‧‧airflow introduction pipe
9'、85‧‧‧氣流排出管 9 ', 85‧‧‧ air exhaust pipe
10‧‧‧液體導入管 10‧‧‧ liquid introduction tube
11‧‧‧回流管 11‧‧‧ return tube
18、91‧‧‧導管 18, 91‧‧‧ catheter
19‧‧‧基台 19‧‧‧ abutment
31‧‧‧集塵部 31‧‧‧ Dust collection department
32、P‧‧‧貯存部 32.P‧‧‧Storage Department
33‧‧‧外筒(第1間隔壁) 33‧‧‧ Outer tube (1st partition wall)
33'‧‧‧內筒 33'‧‧‧Inner tube
34‧‧‧內筒(第2間隔壁) 34‧‧‧ Inner tube (second partition wall)
34'‧‧‧外筒 34'‧‧‧ Outer tube
34a‧‧‧大徑部 34a‧‧‧large diameter section
34b‧‧‧小徑部 34b‧‧‧ Trail
341‧‧‧上部內筒(上部第2間隔壁) 341‧‧‧ Upper inner cylinder (upper second partition wall)
342‧‧‧下部內筒(下部第2間隔壁) 342‧‧‧Lower inner cylinder (lower second partition wall)
35‧‧‧水平板 35‧‧‧ horizontal plate
36‧‧‧管 36‧‧‧ tube
37‧‧‧入口 37‧‧‧ Entrance
39‧‧‧容器 39‧‧‧container
39a‧‧‧側壁 39a‧‧‧ sidewall
39b‧‧‧底壁 39b‧‧‧ bottom wall
41‧‧‧擋板 41‧‧‧ bezel
42‧‧‧開口板 42‧‧‧ opening plate
42a‧‧‧開口部 42a‧‧‧ opening
43‧‧‧支撐構件 43‧‧‧ support member
44‧‧‧支撐板 44‧‧‧ support plate
60‧‧‧溢流管 60‧‧‧ overflow pipe
61‧‧‧水密封裝置 61‧‧‧Water seal
62‧‧‧供給路 62‧‧‧Supply Road
64‧‧‧供給路(第1供給路) 64‧‧‧ Supply Road (1st Supply Road)
65‧‧‧供給路(第2供給路) 65‧‧‧ Supply Road (Second Supply Road)
66‧‧‧動力源 66‧‧‧Power source
70‧‧‧送風機 70‧‧‧ blower
71‧‧‧風扇 71‧‧‧fan
72‧‧‧馬達 72‧‧‧ Motor
73‧‧‧排出孔 73‧‧‧Exhaust hole
81‧‧‧間隔板(第1間隔壁) 81‧‧‧ partition (first partition)
82‧‧‧間隔板(第2間隔壁) 82‧‧‧ partition (second partition)
82a‧‧‧彎曲部 82a‧‧‧curved section
90‧‧‧過濾器單元 90‧‧‧ filter unit
100、200‧‧‧濕式集塵機 100, 200‧‧‧ wet dust collector
d‧‧‧厚度 d‧‧‧thickness
D1‧‧‧(外筒之)內徑尺寸 D1‧‧‧ (outer tube)
D2‧‧‧(大徑部之)外徑尺寸 D2‧‧‧ (for large diameter part)
G‧‧‧狹窄部(第1狹窄部) G‧‧‧Narrow section (first narrow section)
G'‧‧‧狹窄部(第2狹窄部) G'‧‧‧ Narrow section (second narrow section)
Ga‧‧‧上部狹窄部(上部第1狹窄部) Ga‧‧‧ Upper narrow section (upper first narrow section)
Gb‧‧‧下部狹窄部(下部第1狹窄部) Gb‧‧‧Lower narrow section (lower first narrow section)
H‧‧‧上端位置 H‧‧‧ upper position
K‧‧‧環構件 K‧‧‧ ring member
L、L1、L2‧‧‧液面 L, L1, L2 ‧‧‧ Level
P1‧‧‧第1貯存部 P1‧‧‧The first storage department
P2‧‧‧第2貯存部 P2‧‧‧Second Storage Department
P2a‧‧‧上部貯存部(上部第2貯存部) P2a‧‧‧Upper storage section (upper second storage section)
P2b‧‧‧下部貯存部(下部第2貯存部) P2b‧‧‧Lower storage section (lower second storage section)
S1‧‧‧第1空氣室 S1‧‧‧The first air chamber
S2‧‧‧第2空氣室 S2‧‧‧Second air chamber
W‧‧‧液體 W‧‧‧Liquid
Wf‧‧‧溢流出之液體 Wf‧‧‧ spilled liquid
X‧‧‧位置 X‧‧‧ position
Y‧‧‧液面 Y‧‧‧Liquid level
Z‧‧‧褶皺部 Z‧‧‧ Fold
δ‧‧‧間隙尺寸 δ‧‧‧Gap size
圖1係本發明之第1實施形態之濕式集塵機之局部剖面側視圖。 Fig. 1 is a partial cross-sectional side view of a wet dust collector according to a first embodiment of the present invention.
圖2(a)及(b)係外筒及內筒之外觀圖。 2 (a) and (b) are external views of an outer cylinder and an inner cylinder.
圖3係表示集塵機內之氣流之流動之圖。 Fig. 3 is a diagram showing the flow of airflow in the dust collector.
圖4係將圖1之A部放大所得之圖。 FIG. 4 is an enlarged view of part A of FIG. 1.
圖5係表示液面溢流之情況之圖。 Fig. 5 is a diagram showing the situation of liquid level overflow.
圖6係表示溢流出之水藉由通過狹窄部之氣流而開始攪拌之情況之圖。 FIG. 6 is a diagram showing a state in which the overflowed water starts to be stirred by the airflow passing through the narrow portion.
圖7係表示溢流出之水進一步攪拌而上噴之情況之圖。 FIG. 7 is a diagram showing a situation where the overflowed water is further stirred and sprayed upward.
圖8係表示本發明之第2實施形態之圖。 Fig. 8 is a diagram showing a second embodiment of the present invention.
圖9係表示本發明之第3實施形態之圖。 Fig. 9 is a diagram showing a third embodiment of the present invention.
圖10係表示本發明之第4實施形態之圖。 Fig. 10 is a diagram showing a fourth embodiment of the present invention.
圖11係表示本發明之第5實施形態之圖。 Fig. 11 is a diagram showing a fifth embodiment of the present invention.
圖12係表示本發明之第6實施形態之圖。 Fig. 12 is a diagram showing a sixth embodiment of the present invention.
圖13(a)至(c)係表示本發明之第7實施形態之圖。 13 (a) to (c) are diagrams showing a seventh embodiment of the present invention.
圖14係表示本發明之第8實施形態之圖。 Fig. 14 is a diagram showing an eighth embodiment of the present invention.
圖15係表示本發明之第9實施形態之圖。 Fig. 15 is a diagram showing a ninth embodiment of the present invention.
圖16係表示本發明之第10實施形態之圖。 Fig. 16 is a diagram showing a tenth embodiment of the present invention.
圖17(a)至(d)係表示第1間隔壁及第2間隔壁之其他例之圖。 17 (a) to (d) are diagrams showing other examples of the first partition wall and the second partition wall.
圖18(a)至(d)係表示第1間隔壁及第2間隔壁之其他例之圖。 18 (a) to (d) are diagrams showing other examples of the first partition wall and the second partition wall.
圖19係表示本發明之第11實施形態之圖。 Fig. 19 is a diagram showing an eleventh embodiment of the present invention.
圖20係表示第11實施形態之主要部分之圖。 Fig. 20 is a diagram showing the main parts of the eleventh embodiment.
以下，一面參照圖式一面對本發明之實施形態進行說明。於各圖中，對相同之部分或對應之部分標附相同之符號。 Hereinafter, embodiments of the present invention will be described with reference to the drawings. In each figure, the same parts or corresponding parts are marked with the same symbols.
圖1表示本發明之濕式集塵機之第1實施形態。該濕式集塵機100係用於例如於食品工廠中捕獲小麥粉等之粉塵。濕式集塵機100具備台座1、設置於該台座1上之槽3、與該槽3之內部連通之氣流導入管9及液體導入管10、設置於槽3之上方之圓筒汽缸4、設置於該圓筒汽缸4之上方之除霧器5、設置於該除霧器5之上方之過濾器6、及設置於該過濾器6之上方之送風機單元7。於台座1之上表面立設有框架2，且於下表面設置有移動用之腳輪8。 Fig. 1 shows a first embodiment of a wet dust collector of the present invention. This wet dust collector 100 is used for capturing dust such as wheat flour in a food factory. The wet dust collector 100 includes a pedestal 1, a groove 3 provided on the pedestal 1, an airflow introduction pipe 9 and a liquid introduction pipe 10 communicating with the interior of the groove 3, a cylinder 4 provided above the groove 3, A demister 5 above the cylindrical cylinder 4, a filter 6 provided above the demister 5, and a blower unit 7 provided above the filter 6. A frame 2 is erected on the upper surface of the pedestal 1, and casters 8 for movement are provided on the lower surface.
槽3包含上側開放之圓筒狀之容器，上部構成集塵部31，並且下部構成貯存部32。於集塵部31設置有包含中空之筒狀體之外筒33(第1間隔壁)、同樣包含中空之筒狀體之內筒34(第2間隔壁)、及形成為圓盤狀之水平板35。如圖2(a)所示，外筒33係由中空之圓筒構成。如圖2(b)所示，內筒34係由於上部具有大徑部34a且於下部具有小徑部34b之2段圓筒構成。大徑部34a之外徑尺寸D2略小於外筒33之內徑尺寸D1。因此，於外筒33之內周面與內筒34之大徑部34a之外周面之間，如圖1所示，形成包含細縫之狹窄部G(第1狹窄部)。再者，外筒33及內筒34並不限於圓筒，亦可為例如水平剖面為四邊形或六邊形般之多邊形之筒狀體。 The tank 3 includes a cylindrical container with an open upper side, an upper portion constituting a dust collecting portion 31, and a lower portion constituting a storage portion 32. The dust collecting section 31 is provided with a hollow cylindrical outer cylinder 33 (first partition wall), a hollow cylindrical inner cylinder 34 (second partition wall), and a disk-shaped level.板 35。 Plate 35. As shown in FIG. 2 (a), the outer cylinder 33 is constituted by a hollow cylinder. As shown in FIG. 2 (b), the inner cylinder 34 is a two-stage cylinder having a large-diameter portion 34a at the upper portion and a small-diameter portion 34b at the lower portion. The outer diameter D2 of the large-diameter portion 34 a is slightly smaller than the inner diameter D1 of the outer cylinder 33. Therefore, as shown in FIG. 1, between the inner peripheral surface of the outer tube 33 and the outer peripheral surface of the large-diameter portion 34 a of the inner tube 34, a narrowed portion G (first narrowed portion) including a slit is formed. Furthermore, the outer tube 33 and the inner tube 34 are not limited to a cylinder, and may be, for example, a cylindrical body having a polygonal shape such as a quadrangular or hexagonal cross section.
於集塵部31內，設置有由外筒33分隔之第1空氣室S1及第2空氣室S2。外筒33之外部成為第1空氣室S1，外筒33 之內部成為第2空氣室S2。氣流導入管9係以其水平中心軸與槽3之垂直中心軸交叉之方式與第1空氣室S1連通地設置。於貯存部32貯存有自液體導入管10供給之液體W。此處，液體W為水，但除水以外亦可為消毒液(例如次氯酸水)或溶劑等。內筒34之下部浸漬於液體W中，貯存部32藉由內筒34而劃分為第1貯存部P1及第2貯存部P2。第1貯存部P1位於內筒34之外部，且與第1空氣室S1連通，第2貯存部P2位於內筒34之內部，且與第2空氣室S2連通。濕式集塵機100未運轉時，第1貯存部P1與第2貯存部P2之液面高度相同。 A first air chamber S1 and a second air chamber S2 partitioned by the outer cylinder 33 are provided in the dust collecting unit 31. The outside of the outer cylinder 33 becomes the first air chamber S1, and the inside of the outer cylinder 33 becomes the second air chamber S2. The airflow introduction pipe 9 is provided in communication with the first air chamber S1 so that the horizontal central axis thereof intersects the vertical central axis of the groove 3. The storage unit 32 stores the liquid W supplied from the liquid introduction pipe 10. Here, the liquid W is water, but in addition to water, it may be a disinfecting solution (for example, hypochlorous acid water), a solvent, or the like. The lower portion of the inner tube 34 is immersed in the liquid W, and the storage portion 32 is divided into a first storage portion P1 and a second storage portion P2 by the inner tube 34. The first storage portion P1 is located outside the inner tube 34 and communicates with the first air chamber S1, and the second storage portion P2 is located inside the inner tube 34 and communicates with the second air chamber S2. When the wet dust collector 100 is not in operation, the liquid level of the first storage portion P1 and the second storage portion P2 are the same.
於槽3之上部，經由圓盤狀之開口板42而配置有圓筒汽缸4。開口板42具有圓筒形之大徑之管36及與該管36連通之開口部(省略圖示)。管36面向第2空氣室S2，將第2空氣室S2內之氣流向圓筒汽缸4之內部空間引導。於開口板42之周緣部，設置有複數個下述回流管11。回流管11之上下端開放，且上端面向圓筒汽缸4之內部空間，下端浸漬於液體W中。 A cylindrical cylinder 4 is arranged above the groove 3 via a disc-shaped opening plate 42. The opening plate 42 includes a cylindrical large-diameter tube 36 and an opening (not shown) communicating with the tube 36. The pipe 36 faces the second air chamber S2 and guides the air flow in the second air chamber S2 to the internal space of the cylindrical cylinder 4. A plurality of the following return pipes 11 are provided on a peripheral edge portion of the opening plate 42. The upper and lower ends of the return pipe 11 are open, and the upper end faces the internal space of the cylinder 4, and the lower end is immersed in the liquid W.
於圓筒汽缸4之內部空間，設有將於濕式集塵機100運轉時自第2空氣室S2飛散之液體擋住之擋板41。於本實施形態中，擋板41包含有底圓筒，且以開口側朝下之方式，藉由支撐構件43安裝於圓盤狀之支撐板44。於支撐板44之中央部，形成有氣流可通過之開口部(省略圖示)。 A baffle 41 is provided in the inner space of the cylindrical cylinder 4 to block the liquid scattered from the second air chamber S2 when the wet dust collector 100 is in operation. In this embodiment, the baffle 41 includes a bottomed cylinder and is mounted on a disc-shaped support plate 44 with a support member 43 so that the open side faces downward. An opening (not shown) is formed in a central portion of the support plate 44 through which airflow can pass.
於圓筒汽缸4之上方配置有除霧器5，於其更上方配置有過濾器6。除霧器5係將例如塑膠製之篩網重疊多層而構成，於氣流通過篩網時，液體之飛沫被擋住並凝集成大粒之液滴。經凝集之液滴向下方落下，而自氣流分離。過濾器6係用以將氣流中之 微粒子幾乎完全去除之過濾器，除一般之集塵過濾器以外，亦可使用高效率空氣微粒過濾器(HEPA，High Efficiency Particulate Air Filter)或超低穿透空氣過濾器(ULPA，Ultra Low Penetration Air Filter)般之高性能過濾器。 A demister 5 is arranged above the cylindrical cylinder 4, and a filter 6 is arranged above it. The demister 5 is formed by overlapping a plastic screen, for example, and when the airflow passes through the screen, the liquid droplets are blocked and condensed into large droplets. The condensed droplets fall downward and are separated from the air stream. Filter 6 is a filter used to remove particles in the air stream almost completely. In addition to general dust collection filters, high efficiency air particulate filters (HEPA) or ultra-low penetration Air filter (ULPA, Ultra Low Penetration Air Filter) high performance filter.
送風機單元7係設置於框架2之上方。於送風機單元7之內部，收納有包括風扇71及使該風扇71旋轉之馬達72之送風機70。又，於送風機單元7設置有將自送風機70送出之清潔氣流排出之排出孔73。 The blower unit 7 is disposed above the frame 2. Inside the blower unit 7, a blower 70 including a fan 71 and a motor 72 that rotates the fan 71 is housed. Also, the blower unit 7 is provided with a discharge hole 73 for discharging the clean air flow sent from the blower 70.
圖3係表示上述濕式集塵機100內之氣流之流動之圖。如箭頭所示，包含粉塵之含塵氣流自氣流導入管9朝第1空氣室S1導入之後，通過外筒33與內筒34之間之狹窄部G，而流入至第2空氣室S2。此時，藉由第1空氣室S1與第2空氣室S2之壓力差，而第2貯存部之液體W自內筒34之上部溢流而與含塵氣流接觸(氣液接觸)，藉此將粉塵捕獲至液體中，對此，將於下文進行詳細說明。 FIG. 3 is a diagram showing the flow of airflow in the wet dust collector 100. As shown by the arrows, the dust-containing airflow including dust is introduced from the airflow introduction pipe 9 toward the first air chamber S1, and then flows into the second air chamber S2 through the narrow portion G between the outer cylinder 33 and the inner cylinder 34. At this time, due to the pressure difference between the first air chamber S1 and the second air chamber S2, the liquid W in the second storage portion overflows from the upper portion of the inner cylinder 34 and comes into contact with the dust-containing airflow (gas-liquid contact), thereby The capture of dust into the liquid is described in detail below.
粉塵已被捕獲之氣流通過管36而向圓筒汽缸4之內部空間流入，並通過支撐板44之開口部而朝向除霧器5及過濾器6。此時，藉由第2空氣室S2中之氣液接觸而朝圓筒汽缸4內飛散之液體與擋板41碰撞而被擋住，並於擋板41反射而向下方落下。而且，已落下之液體之一部分通過回流管11(圖1)而返回至第1貯存部P1。回流管11發揮藉由使液體循環而防止液體污濁之作用。 The captured airflow flows into the internal space of the cylinder 4 through the pipe 36, and passes through the opening of the support plate 44 toward the demister 5 and the filter 6. At this time, the liquid scattered in the cylindrical cylinder 4 due to the gas-liquid contact in the second air chamber S2 collides with the baffle plate 41 and is blocked, and is reflected by the baffle plate 41 and dropped downward. A part of the liquid that has fallen is returned to the first storage section P1 through the return pipe 11 (FIG. 1). The return pipe 11 functions to prevent the liquid from being contaminated by circulating the liquid.
自圓筒汽缸4之內部空間流出之氣流首先通過除霧器5。此時，未被擋板41擋住而混入至氣流中之液體之飛沫被除霧器5擋住而被去除。已通過除霧器5之氣流繼而通過過濾器6。此 時，殘留於氣流中之粉塵之微粒子藉由過濾器6而幾乎完全被去除。已通過過濾器6之氣流成為清潔氣流並向送風機單元7流入，藉由風扇71之旋轉而自排出孔73排出。 The airflow flowing out of the inner space of the cylindrical cylinder 4 first passes through the demister 5. At this time, the droplets of the liquid which are not blocked by the baffle 41 and mixed into the airflow are blocked by the demister 5 and removed. The airflow that has passed through the demister 5 then passes through the filter 6. At this time, the fine particles of the dust remaining in the air flow are almost completely removed by the filter 6. The airflow that has passed through the filter 6 becomes clean airflow and flows into the blower unit 7, and is discharged from the discharge hole 73 by the rotation of the fan 71.
繼而，對圖1之A部中之氣液接觸進行詳細說明。圖4係將A部放大所得之圖。如上所述，於外筒33與內筒34(大徑部34a)之間，設置有狹窄部G。又，於外筒33之下端與水平板35之間，設置有含塵氣流之入口37。圖4係濕式集塵機100未運轉之狀態，於該狀態下不存在第1空氣室S1與第2空氣室S2之氣壓差，因此，第1貯存部P1之液面L與第2貯存部P2之液面L成為相同高度。 Next, the gas-liquid contact in Part A of FIG. 1 will be described in detail. FIG. 4 is an enlarged view of Part A. FIG. As described above, the narrow portion G is provided between the outer tube 33 and the inner tube 34 (large-diameter portion 34a). An inlet 37 is provided between the lower end of the outer cylinder 33 and the horizontal plate 35. Fig. 4 shows a state in which the wet dust collector 100 is not in operation. In this state, there is no air pressure difference between the first air chamber S1 and the second air chamber S2. Therefore, the liquid level L of the first storage section P1 and the second storage section P2 The liquid levels L have the same height.
若開始濕式集塵機100之運轉，則驅動送風機70(圖1)，與風扇71之旋轉一起而將含塵氣流自氣流導入管9朝第1空氣室S1導入。已朝第1空氣室S1導入之含塵氣流如圖5之箭頭所示，通過外筒33與水平板35之間之入口37而朝狹窄部G進入。藉由在含塵氣流通過該狹窄部G時產生之壓力損失，而第2空氣室S2之氣壓變得低於第1空氣室S1之氣壓。即，於第1空氣室S1與第2空氣室S2之間產生壓力差(靜壓)。 When the operation of the wet dust collector 100 is started, the blower 70 (FIG. 1) is driven, and the dust-containing airflow is introduced from the airflow introduction pipe 9 toward the first air chamber S1 together with the rotation of the fan 71. As shown by the arrow in FIG. 5, the dust-containing airflow that has been introduced into the first air chamber S1 passes through the inlet 37 between the outer cylinder 33 and the horizontal plate 35 and enters the narrowed portion G. The pressure in the second air chamber S2 becomes lower than the pressure in the first air chamber S1 due to a pressure loss generated when the dust-containing airflow passes through the narrow portion G. That is, a pressure difference (static pressure) occurs between the first air chamber S1 and the second air chamber S2.
由於該壓力差，而第1貯存部P1之液面下降至L1，另一方面，第2貯存部P2之液面上升至L2。即，第2貯存部P2之液體W藉由壓力差而升高。此處，內筒34之大徑部34a之上端係設定於較液體W升高時之液面L2低之位置X。其結果，與L2和X之高度之差相應之始終固定量之液體Wf自第2貯存部P2溢流。該溢流出之液體Wf係因通過狹窄部G之朝上之氣流而無法向狹窄部G流下。 Due to this pressure difference, the liquid level of the first storage portion P1 drops to L1, and on the other hand, the liquid level of the second storage portion P2 rises to L2. That is, the liquid W in the second storage portion P2 is raised by the pressure difference. Here, the upper end of the large-diameter portion 34a of the inner cylinder 34 is set at a position X lower than the liquid level L2 when the liquid W rises. As a result, a constant amount of the liquid Wf corresponding to the difference between the heights of L2 and X overflows from the second storage portion P2. The overflowed liquid Wf cannot flow down to the narrowed portion G due to the upward air flow passing through the narrowed portion G.
因此，已通過狹窄部G之含塵氣流與溢流出之液體Wf接觸而開始攪拌液體Wf。此時之液體Wf如圖6所示，呈現如噴水上噴之初始階段之狀態。而且，於穩定狀態下，如圖7所示，由於連續地通過狹窄部G之含塵氣流，而溢流出之液體Wf被進一步攪拌，而成為如較高地上噴之噴水般之狀態。藉此，於含塵氣流與液體Wf之間進行充分之氣液接觸，而將氣流中之粉塵捕獲至液體中。再者，所捕獲之粉塵沈澱至槽3(圖1)之底部，並於槽3之洗淨時等被排出。 Therefore, the liquid Wf which has passed through the dust-containing gas flow in the narrow portion G comes into contact with the overflowed liquid Wf, and the liquid Wf is stirred. The liquid Wf at this time is as shown in FIG. 6, and is in a state of an initial stage such as water spraying and spraying. Further, in a stable state, as shown in FIG. 7, the continuous flow of the dust-containing airflow through the narrowed portion G causes the liquid Wf overflowing to be further stirred to become a state like a water spray sprayed from a high ground. Thereby, sufficient gas-liquid contact is made between the dust-containing gas stream and the liquid Wf, and the dust in the gas stream is captured into the liquid. Furthermore, the captured dust settles to the bottom of the tank 3 (FIG. 1), and is discharged when the tank 3 is cleaned.
如上所述，於第1實施形態之濕式集塵機100中，於第2空氣室S2即二次側，已通過狹窄部G之含塵氣流一面使溢流出之液體Wf上噴一面進行氣液接觸，因此，與如專利文獻1般一面使一次側之液體捲起一面進行氣液接觸者相比，無須嚴格管理一次側之液位(第1貯存部P1之液位)。又，於二次側，亦可藉由適當地設定內筒34之上端位置X而確實地使氣液接觸所需之固定量之液體Wf溢流，因此，二次側之液位管理實質上不需要。因此，根據本實施形態，即便不進行嚴格之液位管理，亦能夠效率良好地捕獲粉塵。再者，本發明並不排除於一次側或二次側設置液位調整手段，亦可視需要設置液位調整手段(例如參照下述之圖12)。 As described above, in the wet dust collector 100 according to the first embodiment, the second air chamber S2, that is, the secondary side, has passed through the dust-containing airflow of the narrow portion G while the overflowed liquid Wf is sprayed to perform gas-liquid contact. Therefore, compared with the case where the liquid on the primary side is rolled up to make gas-liquid contact as in Patent Document 1, it is not necessary to strictly manage the liquid level on the primary side (the liquid level of the first storage portion P1). In addition, on the secondary side, by setting the upper end position X of the inner cylinder 34 appropriately, the fixed amount of liquid Wf required for gas-liquid contact can be reliably overflowed. Therefore, the liquid level management on the secondary side is substantially No need. Therefore, according to this embodiment, it is possible to efficiently capture dust without performing strict liquid level management. Furthermore, the present invention does not exclude the provision of a liquid level adjustment means on the primary side or the secondary side, and may also provide a liquid level adjustment means as required (for example, refer to FIG. 12 described below).
又，於專利文獻1中，當氣液接觸時，必須於S字狀動葉輪之一次側使重於空氣之液體捲起，因此，S字狀動葉輪中之壓力損失增大。與此相對，於本實施形態中，當氣液接觸時，無須使液體捲起，而藉由一次側與二次側之壓力差(靜壓)使液體溢流，因此，狹窄部G中之壓力損失較小。因此，根據本實施形態，能夠以少於S字動葉輪型之濕式集塵機之壓力損失獲得同等以上之捕獲 效率。 Furthermore, in Patent Document 1, when gas-liquid contact occurs, a liquid that is heavier than air must be rolled up on the primary side of the S-shaped moving impeller. Therefore, the pressure loss in the S-shaped moving impeller increases. On the other hand, in this embodiment, when the gas-liquid contacts, the liquid does not need to be rolled up, and the liquid is overflowed by the pressure difference (static pressure) between the primary side and the secondary side. Less pressure loss. Therefore, according to the present embodiment, it is possible to obtain a catching efficiency equal to or higher than a pressure loss of the S-type impeller-type wet dust collector.
進而，於食品工廠之製造現場，就衛生安全方面之觀點而言，將烹調用槽等完全清洗已成為常態，對集塵機亦要求能夠將裝置整體完全清洗者。然而，於使用S字狀動葉輪之濕式集塵機中，本體內部之構造複雜，因此，難以進行內部之洗淨，事實上不可能進行完全清洗。然而，於本實施形態之濕式集塵機100中，由於不使用形狀複雜之S字狀動葉輪，故而能夠容易地進行內部之洗淨，亦能夠進行完全清洗。 Furthermore, at the manufacturing site of a food factory, from the viewpoint of hygiene and safety, it is normal to completely clean a cooking tank or the like, and a dust collector is also required to be able to completely clean the entire device. However, in a wet dust collector using an S-shaped moving impeller, the internal structure of the main body is complicated, so it is difficult to clean the inside, and in fact, it is impossible to completely clean it. However, in the wet-type dust collector 100 according to this embodiment, since the S-shaped moving impeller having a complicated shape is not used, the inside can be easily cleaned and can be completely cleaned.
圖8係表示本發明之第2實施形態之概略剖視圖。於圖8中，對具有與圖1同等之功能之部分，標附與圖1相同之符號(於圖9之後之圖中亦同樣)。於本實施形態中，擋板41與開口板42接近地配置，於開口板42之開口部42a之周緣與擋板41之間，形成有狹窄部G'(第2狹窄部)。關於其他構成，與圖1基本上相同。 Fig. 8 is a schematic sectional view showing a second embodiment of the present invention. In FIG. 8, parts having the same functions as those in FIG. 1 are marked with the same symbols as those in FIG. 1 (the same applies to the figures after FIG. 9). In this embodiment, the baffle plate 41 and the opening plate 42 are arranged close to each other, and a narrow portion G ′ (a second narrow portion) is formed between the periphery of the opening portion 42 a of the opening plate 42 and the baffle plate 41. The other configurations are basically the same as those of FIG. 1.
於圖8中，自氣流導入管9朝第1空氣室S1導入之含塵氣流通過外筒33與內筒34之間之狹窄部G(第1狹窄部)而與溢流出之液體Wf接觸，該方面與圖1之第1實施形態相同。於第2實施形態中，使通過狹窄部G而進行氣液接觸後之氣流進一步通過狹窄部G'而進行氣液接觸。如上所述，與擋板41碰撞之液體反射而向下方落下，因此，於氣流通過狹窄部G'時，該氣流與落下之液體接觸。根據本實施形態，分2個階段進行氣液接觸，因此，可使捕獲性能提昇。 In FIG. 8, the dust-containing airflow introduced from the airflow introduction pipe 9 toward the first air chamber S1 passes through the narrow portion G (the first narrow portion) between the outer tube 33 and the inner tube 34 and contacts the overflowed liquid Wf. This point is the same as the first embodiment shown in FIG. 1. In the second embodiment, the gas flow after the gas-liquid contact through the narrow portion G is further passed through the narrow portion G 'to make gas-liquid contact. As described above, the liquid colliding with the baffle plate 41 is reflected downward and falls. Therefore, when the airflow passes through the narrow portion G ′, the airflow comes into contact with the falling liquid. According to this embodiment, since the gas-liquid contact is performed in two stages, the capture performance can be improved.
圖9係表示本發明之第3實施形態之概略剖視圖。於本實施形態中，內筒包括於上下方向上錯開而配設之上部內筒341(上部第2間隔壁)及下部內筒342(下部第2間隔壁)。於外筒33 與上部內筒341之間，形成有上部狹窄部Ga(上部第1狹窄部)，於外筒33與下部內筒342之間，形成有下部狹窄部Gb(下部第1狹窄部)。又，第2貯存部包括由上部內筒341形成之上部貯存部P2a(上部第2貯存部)及由下部內筒342形成之下部貯存部P2b(下部第2貯存部)。關於其他構成，與圖1基本上相同。 Fig. 9 is a schematic sectional view showing a third embodiment of the present invention. In this embodiment, the inner tube includes an upper inner tube 341 (upper second partition wall) and a lower inner tube 342 (lower second partition wall) that are shifted in the vertical direction. Between the outer tube 33 and the upper inner tube 341, an upper narrow portion Ga (upper first narrow portion) is formed, and between the outer tube 33 and the lower inner tube 342, a lower narrow portion Gb (lower first narrow portion) is formed. ). The second storage portion includes an upper storage portion P2a (upper second storage portion) formed by the upper inner tube 341 and a lower storage portion P2b (lower second storage portion) formed by the lower inner tube 342. The other configurations are basically the same as those of FIG. 1.
於圖9中，自氣流導入管9朝第1空氣室S1導入之含塵氣流通過下部狹窄部Gb之後，與自下部貯存部P2b溢流出之液體Wf接觸，然後，通過上部狹窄部Ga之後，與自上部貯存部P2a溢流出之液體Wf接觸。即，於第3實施形態中，亦分2個階段進行氣液接觸，因此，可使捕獲性能提昇。 In FIG. 9, after the dust-containing airflow introduced from the airflow introduction pipe 9 toward the first air chamber S1 passes through the lower narrow portion Gb, it contacts the liquid Wf overflowing from the lower storage portion P2b, and then passes through the upper narrow portion Ga. It comes into contact with the liquid Wf overflowing from the upper storage portion P2a. That is, in the third embodiment, gas-liquid contact is also performed in two stages, so that the capture performance can be improved.
圖10係表示本發明之第4實施形態之概略剖視圖。於本實施形態中，氣流之流動與第1~第3實施形態之情形相反。因此，圖8等之氣流導入管9置換為氣流排出管9'，外筒33置換為內筒33'，內筒34置換為外筒34'。內筒33'相當於本發明中之「第1間隔壁」，外筒34'相當於本發明中之「第2間隔壁」。內筒33'之內部成為第1空氣室S1，內筒33'之外部成為第2空氣室S2。第1貯存部P1位於外筒34'之內部，且與第1空氣室S1連通，第2貯存部P2位於外筒34'之外部，且與第2空氣室S2連通。 Fig. 10 is a schematic sectional view showing a fourth embodiment of the present invention. In this embodiment, the flow of the airflow is opposite to that in the first to third embodiments. Therefore, the airflow introduction pipe 9 of FIG. 8 and the like is replaced with an airflow discharge pipe 9 ', the outer cylinder 33 is replaced with an inner cylinder 33', and the inner cylinder 34 is replaced with an outer cylinder 34 '. The inner tube 33 'corresponds to the "first partition wall" in the present invention, and the outer tube 34' corresponds to the "second partition wall" in the present invention. The inside of the inner cylinder 33 'becomes the first air chamber S1, and the outside of the inner cylinder 33' becomes the second air chamber S2. The first storage portion P1 is located inside the outer cylinder 34 'and communicates with the first air chamber S1, and the second storage portion P2 is located outside the outer cylinder 34' and communicates with the second air chamber S2.
已朝第1空氣室S1導入之含塵氣流如箭頭所示，通過內筒33'與外筒34'之間之狹窄部G，並與自第2貯存部P2溢流出之液體Wf接觸。該方面與第1實施形態相同。藉由氣液接觸而粉塵被捕獲之氣流通過除霧器5之後，自氣流排出管9'流出。根據該第4實施形態，氣流自內側朝向外側流動，越往外側則流速越是降低，因此，具有能夠抑制液體W之飛沫產生等優點。 The dust-containing airflow that has been introduced into the first air chamber S1 passes through the narrow portion G between the inner tube 33 'and the outer tube 34' as shown by the arrow, and contacts the liquid Wf overflowing from the second storage portion P2. This point is the same as the first embodiment. After the airflow captured by the dust through the gas-liquid contact passes through the demister 5, it flows out from the airflow exhaust pipe 9 '. According to this fourth embodiment, the airflow flows from the inside to the outside, and the flow velocity decreases as it goes to the outside. Therefore, there is an advantage that the generation of droplets of the liquid W can be suppressed.
圖11係表示本發明之第5實施形態之概略剖視圖。於本實施形態中，省略第1實施形態中所使用之水平板35(圖1)。因此，自氣流導入管9朝第1空氣室S1導入之含塵氣流於流入至狹窄部G之前，與第1貯存部P1之液體W接觸，於一次側進行第1次氣液接觸。其後，氣流通過狹窄部G而流入至第2空氣室S2，於二次側進行第2次氣液接觸。因此，於本實施形態中，亦分2個階段進行氣液接觸，因此，可使捕獲性能提昇。 Fig. 11 is a schematic sectional view showing a fifth embodiment of the present invention. In this embodiment, the horizontal plate 35 (FIG. 1) used in the first embodiment is omitted. Therefore, the dust-containing airflow introduced from the airflow introduction pipe 9 toward the first air chamber S1 comes into contact with the liquid W of the first storage portion P1 before flowing into the narrow portion G, and makes the first gas-liquid contact on the primary side. Thereafter, the airflow flows into the second air chamber S2 through the narrow portion G, and the second gas-liquid contact is performed on the secondary side. Therefore, in this embodiment, the gas-liquid contact is also performed in two stages, so the capture performance can be improved.
圖12係表示本發明之第6實施形態之概略剖視圖。於本實施形態中，設置有用以管理一次側之液位之液位調整手段。液位調整手段包括溢流管60及水密封裝置61。對一次貯存部P1自液體導入管10(參照圖1)供給液體W，而一次貯存部P1之液面Y上升，若液面Y超過溢流管60之上端位置H，則液體流入至溢流管60內，並經由水密封裝置61將多餘之液體向機外排出。因此，可使一次貯存部P1之液面Y始終保持於溢流管60之上端位置H以下。於如此設置液位調整手段之情形時，亦無須如習知般嚴格管理一次側之液面，因此，設置如本實施形態般之簡單之液位調整手段便足夠。 Fig. 12 is a schematic sectional view showing a sixth embodiment of the present invention. In this embodiment, a liquid level adjustment means is provided to manage the liquid level on the primary side. The liquid level adjusting means includes an overflow pipe 60 and a water sealing device 61. The liquid W is supplied to the primary storage portion P1 from the liquid introduction pipe 10 (see FIG. 1), and the liquid level Y of the primary storage portion P1 rises. If the liquid level Y exceeds the upper end position H of the overflow pipe 60, the liquid flows into the overflow. Inside the tube 60, the excess liquid is discharged to the outside through the water sealing device 61. Therefore, the liquid level Y of the primary storage portion P1 can always be maintained below the upper end position H of the overflow pipe 60. In the case where the liquid level adjustment means is set in this way, it is not necessary to strictly manage the liquid level on the primary side as is known, so it is sufficient to set a simple liquid level adjustment means as in this embodiment.
圖13係本發明之第7實施形態，(a)係濕式集塵機100之外觀圖，(b)係表示濕式集塵機100之內部之立體圖，(c)係剖視圖。濕式集塵機100具備箱形之槽80、以及與該槽80之內部連通之氣流導入管84及氣流排出管85。於本實施形態中，設置有包含板體之間隔板81、82而代替第1實施形態之外筒33及內筒34。間隔板81係本發明中之「第1間隔壁」之一例，間隔板82係本發明中之「第2間隔壁」之一例。 Fig. 13 is a seventh embodiment of the present invention, (a) is an external view of the wet dust collector 100, (b) is a perspective view showing the inside of the wet dust collector 100, and (c) is a cross-sectional view. The wet dust collector 100 includes a box-shaped groove 80, and an airflow introduction pipe 84 and an airflow discharge pipe 85 that communicate with the inside of the groove 80. In this embodiment, instead of the outer cylinder 33 and the inner cylinder 34 including the partition plates 81 and 82 between the plate bodies, the first embodiment is provided. The partition plate 81 is an example of the "first partition wall" in the present invention, and the partition plate 82 is an example of the "second partition wall" in the present invention.
隔著間隔板81，一側成為第1空氣室S1，另一側成為第2空氣室S2。氣流導入管84與第1空氣室S1連通，氣流排出管85與第2空氣室S2連通。又，隔著間隔板82，第1空氣室S1側成為第1貯存部P1，第2空氣室S2側成為第2貯存部P2。間隔板82於上部具有向間隔板81側突出之L字形之彎曲部82a，於該彎曲部82a與間隔板81之間，形成有狹窄部G。 One side becomes the first air chamber S1 and the other side becomes the second air chamber S2 across the partition plate 81. The airflow introduction pipe 84 communicates with the first air chamber S1, and the airflow discharge pipe 85 communicates with the second air chamber S2. Further, the side of the first air chamber S1 becomes the first storage section P1 and the side of the second air chamber S2 becomes the second storage section P2 across the partition plate 82. The partition plate 82 has an L-shaped curved portion 82 a protruding toward the partition plate 81 side at an upper portion, and a narrow portion G is formed between the curved portion 82 a and the partition plate 81.
於該第7實施形態之濕式集塵機100中，亦根據與第1實施形態相同之原理，自氣流導入管84流入並通過狹窄部G之含塵氣流係與藉由第1空氣室S1與第2空氣室S2之壓力差而自第2貯存部P2溢流出之液體Wf接觸，從而粉塵被捕獲。集塵後之氣流通過氣流排出管85而向設置有未圖示之擋板或過濾器等之空間流出。 In the wet dust collector 100 of the seventh embodiment, the dust-containing airflow flowing from the airflow introduction pipe 84 and passing through the narrow portion G is also based on the same principle as that of the first embodiment. The pressure difference between the air chamber S2 and the liquid Wf overflowing from the second storage portion P2 comes into contact with each other, so that the dust is captured. The dust-collected airflow passes through the airflow exhaust pipe 85 and flows out to a space provided with a baffle or a filter (not shown).
圖14表示本發明之第8實施形態。本實施形態係將包含槽3、圓筒汽缸4、及除霧器5之區塊與包含過濾器單元90及送風機單元7之區塊分離而設置之例。自氣流導入管9導入之含塵氣流自槽3通過圓筒汽缸4、除霧器5、及導管91而流入至過濾器單元90，利用過濾器6去除粉塵而成為清潔氣流，並自送風機單元7之排出孔73排出。再者，作為該第8實施形態之變形例，亦可將通過導管91流來之氣流首先向送風機單元7導入，其後使其向過濾器單元90流出。於該情形時，排出孔73係設置於過濾器單元90。 Fig. 14 shows an eighth embodiment of the present invention. This embodiment is an example in which the block including the tank 3, the cylinder 4 and the demister 5 is separated from the block including the filter unit 90 and the blower unit 7. The dust-containing airflow introduced from the airflow introduction pipe 9 flows into the filter unit 90 through the cylinder 3, the demister 5, and the duct 91 from the tank 3, removes dust with the filter 6, and becomes a clean airflow. The discharge hole 73 of 7 is discharged. In addition, as a modification of the eighth embodiment, the airflow flowing through the duct 91 may be first introduced into the blower unit 7 and then allowed to flow out to the filter unit 90. In this case, the discharge hole 73 is provided in the filter unit 90.
圖15係表示本發明之第9實施形態之概略剖視圖。於上述各實施形態中，利用第1空氣室S1與第2空氣室S2之壓力差(靜壓)而使液體溢流，但於第9實施形態中，藉由對貯存部供給液體而使液體溢流。 Fig. 15 is a schematic sectional view showing a ninth embodiment of the present invention. In each of the above embodiments, the liquid is overflowed by using the pressure difference (static pressure) between the first air chamber S1 and the second air chamber S2. overflow.
於圖15中，於外筒33之內部，設置有具有側壁39a及底壁39b之有底圓筒形之容器39。容器39係上表面開口，能夠自上方進行液體之注入，且內部成為與第2空氣室S2連通之貯存部P。於外筒33與容器39之側壁39a之間，形成有狹窄部G。又，用以自外部向貯存部P供給液體之供給路62係與第2空氣室S2連通地設置。於濕式集塵機100運轉時，以液體常時自貯存部P溢流之方式，自供給路62向貯存部P供給液體。藉此，溢流出之液體Wf與已通過狹窄部G之含塵氣流接觸，而能夠將含塵氣流中之粉塵捕獲至液體中。 In FIG. 15, a bottomed cylindrical container 39 having a side wall 39 a and a bottom wall 39 b is provided inside the outer cylinder 33. The container 39 is open on the upper surface, and can inject liquid from above, and the inside thereof is a storage portion P communicating with the second air chamber S2. A narrow portion G is formed between the outer tube 33 and the side wall 39 a of the container 39. A supply path 62 for supplying liquid to the storage section P from the outside is provided in communication with the second air chamber S2. When the wet dust collector 100 is in operation, the liquid is supplied from the supply path 62 to the storage portion P in such a manner that the liquid always overflows from the storage portion P. Thereby, the overflowed liquid Wf comes into contact with the dust-containing gas flow that has passed through the narrow portion G, and the dust in the dust-containing gas flow can be captured into the liquid.
根據第9實施形態，能夠不依賴於空氣室S1、S2之壓力差(靜壓)，而藉由調整來自供給路62之液體之供給量而使始終固定量之液體Wf溢流。又，若供給淨水作為液體，則能夠抑制集塵機內之水之污濁。 According to the ninth embodiment, it is possible to overflow a constant amount of the liquid Wf by adjusting the supply amount of the liquid from the supply path 62 without depending on the pressure difference (static pressure) of the air chambers S1 and S2. In addition, if purified water is supplied as a liquid, the contamination of water in the dust collector can be suppressed.
圖16係表示本發明之第10實施形態之概略剖視圖。本實施形態係上述第9實施形態之變形例。於圖16中，液體之供給路包括第1供給路64及第2供給路65。第1供給路64係自外部通過第1空氣室S1而向集塵機內供給液體W(例如淨水)。第2供給路65係將自第1供給路64供給之液體W藉由泵等動力源66朝貯存部P供給。 Fig. 16 is a schematic sectional view showing a tenth embodiment of the present invention. This embodiment is a modification of the ninth embodiment. In FIG. 16, the liquid supply path includes a first supply path 64 and a second supply path 65. The first supply path 64 supplies the liquid W (for example, purified water) into the dust collector from the outside through the first air chamber S1. The second supply path 65 supplies the liquid W supplied from the first supply path 64 to the storage unit P by a power source 66 such as a pump.
根據第10實施形態，能夠不依賴於空氣室S1、S2之壓力差(靜壓)，而藉由調整來自動力源66之液體之供給量而使始終固定量之液體Wf溢流。又，藉由使用動力源66，而能夠任意設定容器39之高度。 According to the tenth embodiment, it is possible to overflow a constant amount of the liquid Wf by adjusting the supply amount of the liquid from the power source 66 without depending on the pressure difference (static pressure) of the air chambers S1 and S2. The height of the container 39 can be arbitrarily set by using the power source 66.
圖17係外筒33及內筒34之其他例，(a)表示立體圖， (b)表示俯視圖，(c)表示側視圖，(d)表示(c)之B-B剖視圖。於圖17中，外筒33及內筒34於隔著狹窄部G對向之部分具有褶皺部Z。藉由設置此種褶皺部Z，而狹窄部G中之氣流之通過面積變大而風量增大，與將外筒33及內筒34設為圓筒狀之情形相比，能夠以相同之裝置尺寸對更多風量進行處理。再者，亦可對圖13之間隔板81、82設置與上述相同之褶皺部Z。 Fig. 17 shows other examples of the outer cylinder 33 and the inner cylinder 34. (a) is a perspective view, (b) is a top view, (c) is a side view, and (d) is a cross-sectional view taken along the line B-B. In FIG. 17, the outer tube 33 and the inner tube 34 have a fold portion Z at a portion facing each other across the narrow portion G. By providing such a wrinkle portion Z, the passage area of the airflow in the narrow portion G becomes larger and the air volume is increased. Compared with the case where the outer cylinder 33 and the inner cylinder 34 are cylindrical, the same device can be used. Size handles more airflow. Further, the partitions 81 and 82 between FIG. 13 may be provided with the same folds Z as described above.
圖18係表示外筒33(第1間隔壁)及內筒34(第2間隔壁)之其他例之概略剖視圖。(a)係將內筒34製成漏斗狀而形成狹窄部G之例。(b)係將內筒34製成單純之圓筒形而形成狹窄部G之例。(c)係使外筒33之下部成為小徑而形成狹窄部G之例。(d)係於內筒34之上部嵌著間隙調整用之環構件K而形成狹窄部G之例。藉由使用厚度d不同之環構件K，而能夠調整狹窄部G之間隙尺寸δ。 FIG. 18 is a schematic cross-sectional view showing another example of the outer tube 33 (the first partition wall) and the inner tube 34 (the second partition wall). (a) is an example in which the inner tube 34 is formed in a funnel shape to form the narrow portion G. (b) is an example in which the inner tube 34 is formed into a simple cylindrical shape to form the narrow portion G. (c) An example in which the lower portion of the outer tube 33 has a small diameter and a narrow portion G is formed. (d) An example in which a ring member K for gap adjustment is fitted on the upper portion of the inner tube 34 to form a narrow portion G. By using ring members K having different thicknesses d, the gap size δ of the narrow portion G can be adjusted.
圖19係表示本發明之第11實施形態之濕式集塵機200之側視圖(局部剖視圖)。圖20係圖19之主要部分之概略俯視圖。於上述各實施形態中，外筒33與內筒34之組合僅設置有1組，但於第11實施形態中，外筒33與內筒34之組合設置有複數組。於圖20之例中，圍繞回流管11將外筒33與內筒34之組合設置4組。又，擋板41亦與該等組合對應地設置有4個(於圖19中，僅圖示2個)。再者，貯存液體W之槽3及回流管11係相對於外筒33與內筒34之各組共通地分別僅設置有1個。 FIG. 19 is a side view (partial cross-sectional view) showing a wet dust collector 200 according to the eleventh embodiment of the present invention. FIG. 20 is a schematic plan view of a main part of FIG. 19. In each of the above embodiments, the combination of the outer tube 33 and the inner tube 34 is provided with only one set, but in the eleventh embodiment, the combination of the outer tube 33 and the inner tube 34 is provided with a complex array. In the example of FIG. 20, four sets of the outer tube 33 and the inner tube 34 are set around the return pipe 11. Moreover, four baffle plates 41 are provided corresponding to these combinations (only two are shown in FIG. 19). In addition, only one tank 3 and a return tube 11 for storing the liquid W are provided in common to each of the outer cylinder 33 and the inner cylinder 34.
進而，於圖1中，收容送風機70之送風機單元7係設置於濕式集塵機100上部，但於圖19中，送風機單元7係設置於濕式集塵機200之下部。而且，跨及濕式集塵機200之上部及下 部而設置有導管18。再者，於本實施形態中，並非必須於下部設置送風機單元7，亦可與圖1同樣地於濕式集塵機200之上部設置送風機單元7。於該情形時，不需要導管18。 Further, in FIG. 1, the blower unit 7 accommodating the blower 70 is provided on the upper portion of the wet dust collector 100, but in FIG. 19, the blower unit 7 is provided on the lower portion of the wet dust collector 200. A duct 18 is provided across the upper and lower portions of the wet dust collector 200. In addition, in this embodiment, it is not necessary to provide the blower unit 7 in the lower part, and it is also possible to provide the blower unit 7 in the upper part of the wet dust collector 200 similarly to FIG. In this case, the catheter 18 is not needed.
於圖19中，自氣流導入管9導入之含塵氣流通過外筒33與內筒34之間之狹窄部G，並根據上述原理將粉塵去除，通過擋板41及除霧器5以及未圖示之過濾器之後，成為清潔氣流而流入至導管18。而且，該清潔氣流於導管18內下降，並通過基台19之內部空間而流入至送風機單元7內，藉由風扇71之旋轉而自排出孔73排出。 In FIG. 19, the dust-containing airflow introduced from the airflow introduction pipe 9 passes through the narrow portion G between the outer cylinder 33 and the inner cylinder 34, and removes dust according to the above-mentioned principle, passes through the baffle 41 and the demister 5 and is not shown in the figure. After the filter shown, it flows into the duct 18 as clean air. Then, the clean airflow descends in the duct 18, flows into the blower unit 7 through the internal space of the base 19, and is discharged from the discharge hole 73 by the rotation of the fan 71.
根據第11實施形態，外筒33與內筒34之間之狹窄部G設置於複數處，因此，通過狹窄部G之氣體之量變多，而能夠使風量增加。又，藉由在濕式集塵機200之下部設置送風機單元7，而有容易自上方進行維護作業(過濾器替換等)之優點。再者，於上述第1至第8實施形態中，亦可與第11實施形態同樣地，將外筒33與內筒34之組合設置複數組。 According to the eleventh embodiment, since the narrow portions G between the outer tube 33 and the inner tube 34 are provided at a plurality of locations, the amount of gas passing through the narrow portion G can be increased to increase the air volume. Moreover, since the blower unit 7 is provided in the lower part of the wet dust collector 200, there is an advantage that maintenance work (such as filter replacement) can be easily performed from above. In addition, in the first to eighth embodiments described above, as in the eleventh embodiment, a combination of the outer tube 33 and the inner tube 34 may be provided in a plural array.
於本發明中，除以上所述之實施形態以外，亦可採用如下之各種實施形態。 In the present invention, in addition to the embodiments described above, the following various embodiments may be adopted.
於圖9之實施形態中，設置2個內筒341、342而分2個階段進行氣液接觸，但亦可設置3個或3個以上之內筒而分多個階段進行氣液接觸。 In the embodiment of FIG. 9, two inner cylinders 341 and 342 are provided to perform gas-liquid contact in two stages, but three or more inner cylinders may be provided to perform gas-liquid contact in multiple stages.
又，亦可藉由設為將圖8之實施形態與圖9之實施形態組合而成之構造而分多個階段進行氣液接觸。此外，上述各實施形態亦可適當組合。 In addition, the gas-liquid contact may be performed in a plurality of stages by a structure having a combination of the embodiment of FIG. 8 and the embodiment of FIG. 9. In addition, the respective embodiments described above may be appropriately combined.
於圖1之實施形態中，表示設置有用以回收自擋板 41落下之液體之回流管11之例，但該回流管11亦可省略。即便於無回流管11之情形時，於擋板41反射後之液體之一部分亦通過管36而朝第2貯存部P2回收。 In the embodiment of FIG. 1, an example is shown in which a return pipe 11 is provided for recovering the liquid dropped from the baffle 41, but the return pipe 11 may be omitted. That is, in the case where there is no return pipe 11, a part of the liquid reflected by the baffle 41 is also recovered to the second storage portion P2 through the pipe 36.
於圖1之實施形態中，表示氣流導入管9之水平中心軸與槽3之垂直中心軸交叉之例，但亦可使氣流導入管9之水平中心軸偏離槽3之垂直中心軸，而將氣流導入管9與槽3之接合部分之連通口設為所謂切線進口，藉此對導入氣流賦予離心力。 In the embodiment of FIG. 1, an example in which the horizontal central axis of the airflow introduction pipe 9 intersects with the vertical central axis of the groove 3 is shown. However, the horizontal central axis of the airflow introduction pipe 9 may be offset from the vertical central axis of the groove 3 and the The communication port of the joint portion between the airflow introduction pipe 9 and the groove 3 is a so-called tangent inlet, thereby giving centrifugal force to the introduced airflow.
於圖1之實施形態中，表示擋板41包含有底圓筒之例，但擋板41亦可形成為傘形等其他形狀。 In the embodiment shown in FIG. 1, an example in which the baffle 41 includes a bottomed cylinder is shown. However, the baffle 41 may be formed in other shapes such as an umbrella shape.
於圖15及圖16之實施形態中，表示容器39為有底圓筒形之例，但容器39之形狀並不限於此，亦可為例如碗狀之形狀。 In the embodiments of FIGS. 15 and 16, an example in which the container 39 is a bottomed cylindrical shape is shown. However, the shape of the container 39 is not limited to this, and may be, for example, a bowl shape.
於上述各實施形態中，列舉了針對食品行業之濕式集塵機100為例，但本發明亦可應用於食品以外之行業中所使用之濕式集塵機。 In each of the above embodiments, the wet dust collector 100 for the food industry is taken as an example, but the present invention can also be applied to wet dust collectors used in industries other than food.
Claims (17)
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| JP2016-219115 | 2016-11-09 | ||
| JP2016219115 | 2016-11-09 |
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| TW106137792A TW201822870A (en) | 2016-11-09 | 2017-11-01 | Wet dust collector |
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| JP (1) | JP6895986B2 (en) |
| TW (1) | TW201822870A (en) |
| WO (1) | WO2018088270A1 (en) |
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| DE102022110056A1 (en) | 2022-04-26 | 2023-07-06 | Daniel Ehrhardt | wet separation device |
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| JPS509169A (en) * | 1973-05-30 | 1975-01-30 | ||
| JPS587330B2 (en) * | 1978-10-20 | 1983-02-09 | 荻野 芳夫 | Exhaust gas deodorization method and deodorization device |
| US5133942A (en) * | 1989-06-07 | 1992-07-28 | Chemical Research & Licensing Company | Distillation column reactor with catalyst replacement apparatus |
| JPH0394920U (en) * | 1990-01-22 | 1991-09-27 |
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| WO2018088270A1 (en) | 2018-05-17 |
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