WO2011160546A1 - Dust removing device for powder - Google Patents

Dust removing device for powder Download PDF

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Publication number
WO2011160546A1
WO2011160546A1 PCT/CN2011/075483 CN2011075483W WO2011160546A1 WO 2011160546 A1 WO2011160546 A1 WO 2011160546A1 CN 2011075483 W CN2011075483 W CN 2011075483W WO 2011160546 A1 WO2011160546 A1 WO 2011160546A1
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WO
WIPO (PCT)
Prior art keywords
dust
powder
dust removing
forced
passive
Prior art date
Application number
PCT/CN2011/075483
Other languages
French (fr)
Chinese (zh)
Inventor
张爽
张庆成
蒋志辉
Original Assignee
湖南三一智能控制设备有限公司
三一重工股份有限公司
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Application filed by 湖南三一智能控制设备有限公司, 三一重工股份有限公司 filed Critical 湖南三一智能控制设备有限公司
Publication of WO2011160546A1 publication Critical patent/WO2011160546A1/en

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B15/00Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
    • B08B15/04Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area from a small area, e.g. a tool

Definitions

  • Powder dust removing device The present application claims priority to Chinese Patent Application No. 201020230952.X, entitled “Powder Dust Collecting Device", filed on June 21, 2010, the entire contents of which are incorporated by reference. In this application. BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to the field of dust removal equipment, and more particularly to a dust removal apparatus suitable for powder addition in a mixing station. BACKGROUND OF THE INVENTION A powder tank is a powder storage supporting device for a mixing station, a mixing plant and other equipment, and its performance has a great relationship with the dust removal system.
  • the dust removal system commonly used on powder tanks is mostly a passive dust removal device, and the structure thereof comprises a cylinder, a dust bag disposed in the cylinder body and a vibration motor disposed on the cylinder body, wherein the dust removal cloth bag can adsorb the powder tank
  • the suspended particles in the interior reduce the pollution to the surrounding environment.
  • the dust is shaken off by the vibration motor on the dust removal device or by pulse backflushing, and the structure is relatively simple.
  • the defects in the use process are as follows: 1.
  • the dust removal power of the passive dust removal device is the wind power of the powder bulk truck, the dust removal is not complete, the outlet will appear ashing, causing pollution to the environment; 2.
  • Dust removal The amount of ash accumulated in the device will affect its air exhausting capacity, making it difficult to control the internal pressure of the powder tank. It is highly prone to the danger of the dust removal device or the pressure safety valve being damaged, and there are certain safety hazards.
  • SUMMARY OF THE INVENTION The technical problem to be solved by the present invention is: According to the deficiencies of the prior art, a structural unit is provided, the dust in the powder container can be removed in time, the internal pressure of the fast-balanced powder container, the dust removal effect is good, and the use is safe. Powder dust removal device.
  • a powder dust removing device comprising a forced dust remover and a passive dust remover installed on the powder tank, the air outlet of the passive dust remover and the powder tank Both are in communication with the air inlet of the forced dust collector.
  • the air inlet of the forced dust collector is in communication with the powder tank through a one-way valve.
  • the forced dust collector and/or the passive dust remover is a pulse backflushing dust remover.
  • the invention has the advantages that: the powder dust removing device of the invention has a structural unit, and can add a forced dust collector to the existing passive dust collector, so that the powder tank can be removed in time.
  • the high-pressure gas quickly balances the internal pressure of the powder tank to eliminate the safety hazard caused by excessive pressure inside the powder container.
  • the forced dust collector can completely filter the unfiltered powder of the passive dust collector to solve the passive dust removal.
  • the problem of incomplete dust collection is to achieve secondary dust removal combined with passive dust removal and active dust removal to prevent dust from polluting the air.
  • the dust removal effect is good and can be truly environmentally friendly; the forced dust collector is a pulse backflushing dust collector.
  • FIG. 1 is a schematic structural view of a dust removing device of the present invention
  • FIG. 2 is a schematic enlarged view of a portion I of FIG. 1;
  • the dust removing device of the present invention comprises a forced dust remover 2 and a passive dust remover 1 installed on the powder tank 4, an air outlet of the passive dust remover 1 and a powder tank 4 Both are connected to the air inlet of the forced dust collector 2.
  • the forced dust collector can finish the unfiltered powder of the passive dust collector.
  • Full filtration solve the problem of incomplete dust collection by passive dust collector, realize the secondary dust removal combined with passive dust removal and active dust removal, prevent dust from polluting the air, and have good dust removal effect, which can truly achieve environmental protection.
  • the forced dust remover 2 is a pulse back-blowing type dust remover, which can blow the powder from the filter element in time to ensure the normal use of the entire device.
  • the air inlet of the pulse back-blowing dust collector is connected to the powder tank 4 through the check valve 3, and the check valve 3 allows the dust to flow only to the forced dust collector 2.
  • the passive dust remover 1 can also be a pulse backflushing dust collector, preferably a V2 type dust collector.
  • Working principle When the powder tank 4 starts feeding, the check valve 3 is opened, the whole dust removing device is started, and the dust removal starts. As shown by the direction of the arrow in Fig. 1, the high-pressure airflow mixed with dust is pumped by the forced dust collector 2 on the one hand. Walking, the internal pressure of the powder tank 4 tends to balance.
  • the high-pressure airflow mixed with the dust passes through the passive dust remover 1, that is, the V2 type dust collector, and part of the dust is filtered, and then the air flow is again pumped by the forced dust collector 2
  • the dust is completely filtered by the filter element, and the clean gas is discharged into the atmosphere to prevent dust from polluting the air.
  • the secondary dust removal combined with passive dust removal and active dust removal can be realized, and the environment is truly protected.

Abstract

A dust removing device for powder comprises a forced dust removing unit (2) and a passive dust removing unit (1) arranged on a powder tank (4). The wind outlet of the passive dust removing unit (1) and the powder tank (4) are both communicated with the wind inlet of the forced dust removing unit (2). The dust removing device has advantages of simple structure, ability of removing dust in a powder container in time and rapidly compensating internal pressure of the powder container, good dust removing effect and safe usage.

Description

粉料除尘装置 本申请要求于 2010 年 06 月 21 日提交中国专利局、 申请号为 201020230952.X, 发明名称为"粉料除尘装置 "的中国专利申请的优先权, 其全部内容通过引用结合在本申请中。 技术领域 本发明涉及除尘设备领域, 尤其涉及一种适用于搅拌站粉料添加用的 除尘装置。 背景技术 粉料罐是搅拌站、 搅拌楼及其他设备的粉料储存配套装置, 其性能的 好坏与除尘系统有很大的关系。 目前, 粉料罐上普遍使用的除尘系统多为 被动式除尘装置, 其结构包括一筒体、 设于筒体内的除尘布袋以及设于筒 体上的振动电机, 其中的除尘布袋可吸附粉料罐内的悬浮颗粒, 减轻对周 围环境的污染, 当除尘布袋上积尘较多时, 通过除尘装置上的振动电机或 用脉冲反吹的方式, 将积尘抖落, 其结构比较筒单。 但在使用过程中存在 的缺陷有以下几点: 1.由于被动式除尘装置除尘的动力是粉料散装车的风 力, 除尘不完全, 出口会出现冒灰现象, 对环境造成了污染; 2.除尘装置 的积灰量会影响其排风能力, 使粉料罐内部压力难以控制, 极易发生除尘 装置或压力安全阀被冲坏的危险, 存在一定的安全隐患。 发明内容 本发明所要解决的技术问题是: 针对现有技术的不足, 提供一种结构 筒单、 可及时抽走粉料容器中的粉尘、 快速平衡粉料容器内部压力、 除尘 效果好且使用安全的粉料除尘装置。 为解决上述技术问题, 本发明采用以下技术方案: 一种粉料除尘装置, 包括强制式除尘器以及装设于粉料罐上的被动式 除尘器, 所述被动式除尘器的出风口和粉料罐均与所述强制式除尘器的进 风口相连通。 作为对本发明的进一步改进, 所述强制式除尘器的进风口通过单向阀 与所述粉料罐连通。 作为对本发明的更进一步改进, 所述强制式除尘器和 /或被动式除尘器 为脉冲反吹式除尘器。 与现有技术相比, 本发明的优点在于: 本发明的粉料除尘装置, 结构 筒单, 通过在现有被动式除尘器的基础上增加一个强制式除尘器, 能够及 时抽走粉料罐中的高压气体, 迅速平衡粉料罐的内部压力, 消除因粉料容 器内部压力过大所造成的安全隐患, 同时强制式除尘器可将被动式除尘器 未滤掉的粉料完全过滤, 解决被动式除尘器收尘不彻底的问题, 实现被动 除尘和主动除尘相结合的二级除尘, 防止粉尘对空气的污染, 其除尘效果 好, 可真正实现环保; 强制式除尘器为脉冲反吹式除尘器, 当其滤芯上积 满灰尘后,可通过脉冲反吹方式将粉料灰尘送回粉料罐, 防止粉料的浪费, 可节约成本。 附图说明 图 1是本发明除尘装置的结构示意图; 图 2是图 1中 I处的放大结构示意图; 图例说明 Powder dust removing device The present application claims priority to Chinese Patent Application No. 201020230952.X, entitled "Powder Dust Collecting Device", filed on June 21, 2010, the entire contents of which are incorporated by reference. In this application. BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to the field of dust removal equipment, and more particularly to a dust removal apparatus suitable for powder addition in a mixing station. BACKGROUND OF THE INVENTION A powder tank is a powder storage supporting device for a mixing station, a mixing plant and other equipment, and its performance has a great relationship with the dust removal system. At present, the dust removal system commonly used on powder tanks is mostly a passive dust removal device, and the structure thereof comprises a cylinder, a dust bag disposed in the cylinder body and a vibration motor disposed on the cylinder body, wherein the dust removal cloth bag can adsorb the powder tank The suspended particles in the interior reduce the pollution to the surrounding environment. When there is a lot of dust on the dust bag, the dust is shaken off by the vibration motor on the dust removal device or by pulse backflushing, and the structure is relatively simple. However, the defects in the use process are as follows: 1. The dust removal power of the passive dust removal device is the wind power of the powder bulk truck, the dust removal is not complete, the outlet will appear ashing, causing pollution to the environment; 2. Dust removal The amount of ash accumulated in the device will affect its air exhausting capacity, making it difficult to control the internal pressure of the powder tank. It is highly prone to the danger of the dust removal device or the pressure safety valve being damaged, and there are certain safety hazards. SUMMARY OF THE INVENTION The technical problem to be solved by the present invention is: According to the deficiencies of the prior art, a structural unit is provided, the dust in the powder container can be removed in time, the internal pressure of the fast-balanced powder container, the dust removal effect is good, and the use is safe. Powder dust removal device. In order to solve the above technical problems, the present invention adopts the following technical solutions: A powder dust removing device, comprising a forced dust remover and a passive dust remover installed on the powder tank, the air outlet of the passive dust remover and the powder tank Both are in communication with the air inlet of the forced dust collector. As a further improvement of the present invention, the air inlet of the forced dust collector is in communication with the powder tank through a one-way valve. As a further improvement of the present invention, the forced dust collector and/or the passive dust remover is a pulse backflushing dust remover. Compared with the prior art, the invention has the advantages that: the powder dust removing device of the invention has a structural unit, and can add a forced dust collector to the existing passive dust collector, so that the powder tank can be removed in time. The high-pressure gas quickly balances the internal pressure of the powder tank to eliminate the safety hazard caused by excessive pressure inside the powder container. At the same time, the forced dust collector can completely filter the unfiltered powder of the passive dust collector to solve the passive dust removal. The problem of incomplete dust collection is to achieve secondary dust removal combined with passive dust removal and active dust removal to prevent dust from polluting the air. The dust removal effect is good and can be truly environmentally friendly; the forced dust collector is a pulse backflushing dust collector. When the filter element is full of dust, the powder dust can be sent back to the powder tank by pulse back blowing to prevent waste of the powder and save costs. BRIEF DESCRIPTION OF DRAWINGS FIG. 1 is a schematic structural view of a dust removing device of the present invention; FIG. 2 is a schematic enlarged view of a portion I of FIG. 1;
1、 被动式除尘器; 2、 强制式除尘器; 3、 单向阀; 4、 粉料罐。 具体实施方式 下面结合具体实施例及附图对本发明作进一步的说明。 如图 1和图 2所示, 本发明的粉料除尘装置, 包括强制式除尘器 2以 及装设于粉料罐 4上的被动式除尘器 1 , 被动式除尘器 1的出风口和粉料 罐 4均与强制式除尘器 2的进风口相连通。 通过在现有被动式除尘器的基 础上增加一个强制式除尘器, 能够及时抽走粉料罐中的高压气体, 迅速平 衡粉料罐内部压力, 可消除因粉料罐内部压力过大所造成的安全隐患, 提 高设备的使用寿命; 同时强制式除尘器可将被动式除尘器未滤掉的粉料完 全过滤, 解决被动式除尘器收尘不彻底的问题, 实现被动除尘和主动除尘 相结合的二级除尘, 防止粉尘对空气的污染, 其除尘效果好, 可真正实现 环保。 本实施例中, 强制式除尘器 2为脉冲反吹式除尘器, 它能够及时地将 粉料从滤芯上吹掉, 保证整个装置的正常使用。 脉冲反吹式除尘器的进风 口通过单向阀 3与粉料罐 4连通, 单向阀 3使粉尘只能流向强制式除尘器 2。 当强制式除尘器 2的滤芯上积满粉尘后,可通过脉冲反吹方式将粉尘送 回粉料罐 4, 以防止粉料的浪费, 可节约成本。 被动式除尘器 1也可为脉 冲反吹式除尘器, 优选为 V2型收尘机。 工作原理: 当粉料罐 4开始加料时, 单向阀 3打开, 整个除尘装置启 动, 开始除尘, 如图 1中的箭头方向所示, 夹杂粉尘的高压气流一方面被 强制式除尘器 2抽走, 使粉料罐 4内部压力趋于平衡, 另一方面, 夹杂粉 尘的高压气流通过被动式除尘器 1 , 即 V2型收尘机, 部分粉尘过滤掉, 随 后气流又被强制式除尘器 2抽走, 经过强制式除尘器 2的滤芯, 粉尘被滤 芯全部过滤掉, 干净气体排入大气, 防止粉尘对空气的污染, 可实现被动 除尘和主动除尘相结合的二级除尘, 真正保护环境。 以上所述仅是本发明的优选实施方式, 本发明的保护范围并不仅局限 于上述实施例,凡属于本发明思路下的技术方案均属于本发明的保护范围。 应当指出, 对于本技术领域的普通技术人员来说, 在不脱离本发明原理前 提下的若干改进和润饰, 均应视为本发明的保护范围。 1. Passive dust collector; 2. Forced dust collector; 3. Check valve; 4. Powder tank. DETAILED DESCRIPTION OF THE INVENTION The present invention will be further described below in conjunction with the specific embodiments and the accompanying drawings. As shown in FIG. 1 and FIG. 2, the dust removing device of the present invention comprises a forced dust remover 2 and a passive dust remover 1 installed on the powder tank 4, an air outlet of the passive dust remover 1 and a powder tank 4 Both are connected to the air inlet of the forced dust collector 2. By adding a forced dust collector to the existing passive dust collector, the high pressure gas in the powder tank can be removed in time, and the internal pressure of the powder tank can be quickly balanced, thereby eliminating the excessive pressure inside the powder tank. Safety hazard, improve the service life of the equipment; At the same time, the forced dust collector can finish the unfiltered powder of the passive dust collector. Full filtration, solve the problem of incomplete dust collection by passive dust collector, realize the secondary dust removal combined with passive dust removal and active dust removal, prevent dust from polluting the air, and have good dust removal effect, which can truly achieve environmental protection. In this embodiment, the forced dust remover 2 is a pulse back-blowing type dust remover, which can blow the powder from the filter element in time to ensure the normal use of the entire device. The air inlet of the pulse back-blowing dust collector is connected to the powder tank 4 through the check valve 3, and the check valve 3 allows the dust to flow only to the forced dust collector 2. When the filter element of the forced dust collector 2 is full of dust, the dust can be sent back to the powder tank 4 by pulse back blowing to prevent waste of the powder and save cost. The passive dust remover 1 can also be a pulse backflushing dust collector, preferably a V2 type dust collector. Working principle: When the powder tank 4 starts feeding, the check valve 3 is opened, the whole dust removing device is started, and the dust removal starts. As shown by the direction of the arrow in Fig. 1, the high-pressure airflow mixed with dust is pumped by the forced dust collector 2 on the one hand. Walking, the internal pressure of the powder tank 4 tends to balance. On the other hand, the high-pressure airflow mixed with the dust passes through the passive dust remover 1, that is, the V2 type dust collector, and part of the dust is filtered, and then the air flow is again pumped by the forced dust collector 2 After passing through the filter element of the forced dust collector 2, the dust is completely filtered by the filter element, and the clean gas is discharged into the atmosphere to prevent dust from polluting the air. The secondary dust removal combined with passive dust removal and active dust removal can be realized, and the environment is truly protected. The above description is only a preferred embodiment of the present invention, and the scope of protection of the present invention is not limited to the above embodiments, and all the technical solutions under the inventive concept belong to the protection scope of the present invention. It should be noted that a number of improvements and modifications without departing from the principles of the invention are considered to be within the scope of the invention.

Claims

权 利 要 求 Rights request
1、 一种粉料除尘装置, 其特征在于: 包括强制式除尘器 (2) 以及装 设于粉料罐(4)上的被动式除尘器(1), 所述被动式除尘器(1) 的出风 口和粉料罐(4) 均与所述强制式除尘器 (2) 的进风口相连通。 A dust removing device for a powder, comprising: a forced dust remover (2) and a passive dust remover (1) installed on the powder tank (4), the passive dust remover (1) Both the tuyere and the powder tank (4) are in communication with the air inlet of the forced dust collector (2).
2、根据权利要求 1所述的粉料除尘装置, 其特征在于: 所述强制式除 尘器(2) 的进风口通过单向阀 (3) 与所述粉料罐(4)连通。 The dust removing device according to claim 1, wherein the air inlet of the forced dust remover (2) communicates with the powder tank (4) through a check valve (3).
3、根据权利要求 1或 2所述的粉料除尘装置, 其特征在于: 所述强制 式除尘器 (2)和 /或被动式除尘器(1 ) 为脉冲反吹式除尘器。 The dust removing device according to claim 1 or 2, characterized in that the forced dust remover (2) and/or the passive dust remover (1) are pulse back-blowing dust removers.
PCT/CN2011/075483 2010-06-21 2011-06-08 Dust removing device for powder WO2011160546A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201020230952.X 2010-06-21
CN 201020230952 CN201735579U (en) 2010-06-21 2010-06-21 Powder dust collection device

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CN104984975A (en) * 2015-07-21 2015-10-21 吴江新劲纺织有限公司 Ultrasonic dust removing device for spinning
CN107031093A (en) * 2017-04-20 2017-08-11 浙江诚康钢管有限公司 A kind of auto-stitching machine with dedusting function

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Publication number Priority date Publication date Assignee Title
CN201735579U (en) * 2010-06-21 2011-02-09 三一重工股份有限公司 Powder dust collection device
CN104773414B (en) * 2015-03-27 2017-04-19 山东华建仓储装备科技有限公司 Warehouse top safety balancing device
CN106890698B (en) * 2017-03-14 2023-10-03 叶选锐 Multi-station mortar type medicinal material pestle stamping machine

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CN1857762A (en) * 2005-05-08 2006-11-08 山东省冶金设计院 Composite bag-type dust collector
CN2920458Y (en) * 2006-06-28 2007-07-11 三一重工股份有限公司 Box type dust collecting device of blending station
CN201105197Y (en) * 2007-09-10 2008-08-27 杨圣保 Fluidization dust-cleaning equipment
CN201552671U (en) * 2009-09-21 2010-08-18 中建商品混凝土有限公司 Bunker dust collection device of concrete mixing plant
CN201735579U (en) * 2010-06-21 2011-02-09 三一重工股份有限公司 Powder dust collection device

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Publication number Priority date Publication date Assignee Title
CH506345A (en) * 1968-08-22 1971-04-30 Hoefliger & Karg Fa Method and device for machine cleaning and polishing of the surface of capsules
JP2004097863A (en) * 2002-09-05 2004-04-02 Nippon Soda Co Ltd Dust collector
CN1857762A (en) * 2005-05-08 2006-11-08 山东省冶金设计院 Composite bag-type dust collector
CN2920458Y (en) * 2006-06-28 2007-07-11 三一重工股份有限公司 Box type dust collecting device of blending station
CN201105197Y (en) * 2007-09-10 2008-08-27 杨圣保 Fluidization dust-cleaning equipment
CN201552671U (en) * 2009-09-21 2010-08-18 中建商品混凝土有限公司 Bunker dust collection device of concrete mixing plant
CN201735579U (en) * 2010-06-21 2011-02-09 三一重工股份有限公司 Powder dust collection device

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Publication number Priority date Publication date Assignee Title
CN104984975A (en) * 2015-07-21 2015-10-21 吴江新劲纺织有限公司 Ultrasonic dust removing device for spinning
CN107031093A (en) * 2017-04-20 2017-08-11 浙江诚康钢管有限公司 A kind of auto-stitching machine with dedusting function

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