WO2020029049A1 - Rotary blowback explosion-proof dust collector structure - Google Patents
Rotary blowback explosion-proof dust collector structure Download PDFInfo
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- WO2020029049A1 WO2020029049A1 PCT/CN2018/099062 CN2018099062W WO2020029049A1 WO 2020029049 A1 WO2020029049 A1 WO 2020029049A1 CN 2018099062 W CN2018099062 W CN 2018099062W WO 2020029049 A1 WO2020029049 A1 WO 2020029049A1
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- dust collector
- collector body
- explosion
- rotary
- fixed connection
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
- B01D46/04—Cleaning filters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/42—Auxiliary equipment or operation thereof
- B01D46/44—Auxiliary equipment or operation thereof controlling filtration
Definitions
- the invention relates to a dedusting equipment, in particular to a structure of a rotary backflush type explosion-proof dust collector for processing and collecting dust in combustible and explosive gas.
- the existing dust collection equipment adopts pulse high-pressure gas cleaning method.
- This type of dust cleaning structure will cause a sudden vibration of the cage and filter bag of the dust collection equipment, which will cause sparks and the risk of explosion.
- the existing dust collection equipment uses The manual switch controls the discharge method. This method has the phenomenon of empty discharge. When there is no material, the discharger is also working, and the discharge is flammable gas, which is prone to explosion.
- Existing dust collection equipment does not have a safety explosion-proof valve, but once the explosion cannot release the pressure.
- the technical problem to be solved by the present invention is to provide a structure of a rotary reverse blow type explosion-proof dust collector which is safe to use.
- a rotary reverse blow type explosion-proof dust collector structure including: a dust collector body, a filter bag provided in the body of the dust collector, and a filter bag provided at the lower end of the dust collector body.
- Ash hopper, a discharge port and an electric discharger provided at the lower end of the ash hopper, a dust inlet provided on one side of the dust collector body, and an air inlet provided on the other side of the dust collector body and connected to a negative pressure fan,
- An air blower is arranged on the air suction port.
- the anti hair blower is connected to a fixed connection channel provided on the upper end of the dust collector body through a fan air duct, a suspension frame is provided in the fixed connection channel, and a speed reduction is provided on the upper end of the fixed connection channel.
- the rotating shaft of the motor and the reduction motor is connected to the upper end of the suspension frame through a connection sleeve, and the lower end of the suspension frame is supported on the dust collector body by a track-type bearing marbles.
- the upper ends of the air ducts are connected, and two air outlets that cooperate with the filter bag are provided on the rotary air supply duct, and an explosion-proof pressure relief valve is provided on the dust collector body. Are provided on the material level detector and level detector on the hopper.
- the invention has the advantages that the above-mentioned rotary reverse blow type explosion-proof dust collector structure adopts a suspended rotating structure inside, and the orbital bearing marbles rotate to minimize friction to prevent sparks, and the anti-blow gas is used for cleaning. Compared with the old-fashioned pulsed high-pressure gas cleaning, it has the characteristics of low pressure and small vibration, which not only ensures the cleaning function, but also reduces the possibility of sparks caused by the violent vibration brought by the pulsed high-pressure gas. At the same time, the upper and lower material level detectors are used to detect the material level and intelligently control the discharge. When the internal pressure of the dust collector reaches a certain limit, the explosion-proof pressure relief valve automatically opens and releases the pressure, making it safer to use.
- FIG. 1 is a schematic structural diagram of a structure of a rotary reverse-blown explosion-proof dust collector of the present invention.
- the structure of the rotary reverse blow type explosion-proof dust collector includes: a dust collector body 1, a filter bag 2 provided in the dust collector body 1, and an ash bucket 3 provided at the lower end of the dust collector body 1.
- the air inlet 7 is provided with an anti-air blower 8.
- the anti-air blower 8 is connected to a fixed connection channel 10 provided on the upper end of the dust collector body 1 through a fan air duct 9, and a suspension is provided in the fixed connection channel 10.
- the frame 11 is provided with a reduction gear motor 12 at an upper end of the fixed connection channel 10.
- a rotating shaft 13 of the reduction gear motor 12 is connected to an upper end of the suspension frame 11 through a connection sleeve 14, and a lower end of the suspension frame 11 is supported by a track-type bearing marble 15.
- the lower end of the suspension frame 11 is connected to the upper end of the rotary air supply duct 16 which communicates with the fixed connection channel 10, and the rotary air supply duct 16 is provided with two blowers that cooperate with the filter bag 2.
- Port 17 an explosion-proof pressure relief valve 18 is provided on the dust collector body 1
- the hopper 3 is provided with an upper material level detector 19 and a lower material level detector 20 respectively.
- the gas containing dust 21 enters the dust collector body 1 through the dust inlet 6 under the action of a negative pressure fan, and the filter bag 2 collects the dust in the gas.
- the anti-air blower 8 works, and the wind passes through the fan air duct 9, the fixed connection channel 10, the rotary air supply duct 16, and the blower port 17 into the filter bag 2, so that the dust 21 outside the filter bag 2 It is blown and dropped into the ash hopper 3.
- the reduction motor 12 drives the suspension frame 11 to rotate through the orbital bearing marbles 15, thereby rotating the rotary air supply duct 16 and the blowing port 17 to rotate.
- the explosion-proof pressure relief valve 18 automatically opens the pressure relief.
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
A rotary blowback explosion-proof dust collector structure, comprising a dust collector body (1) and a filter bag (2) arranged inside same, a blowback fan (8) being arranged on an air suction opening (7) on one side of the dust collector body (1), the blowback fan (8) being connected to a fixed connecting channel (10) on the upper end of the dust collector body (1) by means of a fan duct (9), a decelerating motor (12) being arranged on the upper end of the fixed connecting channel (10), the decelerating motor (12) being connected to the upper end of a suspension frame (11) in the fixed connecting channel (10), the lower end of the suspension frame (11) being supported on the dust collector body (1) by means of a rail-type ball bearing (15), and the lower end of the suspension frame (11) being connected to the upper end of a rotary air supply pipeline (16).
Description
本发明涉及一种除尘设备，尤其涉及一种处理收集可燃可爆气体中粉尘的回转反吹式防爆收尘器结构。The invention relates to a dedusting equipment, in particular to a structure of a rotary backflush type explosion-proof dust collector for processing and collecting dust in combustible and explosive gas.
现有收尘设备采用脉冲高压气体清灰法，这种清灰结构会引起收尘设备内部笼架和滤袋的急剧震动，从而引发火花，产生爆炸危险的可能，同时现有收尘设备采用人工开关控制卸料法，这种方法有存在空排料的现象，当没料时，卸料器也在工作，排出的都是可燃气体，容易产生爆炸。现有收尘设备没有安全防爆阀，一但爆炸无法泄压。The existing dust collection equipment adopts pulse high-pressure gas cleaning method. This type of dust cleaning structure will cause a sudden vibration of the cage and filter bag of the dust collection equipment, which will cause sparks and the risk of explosion. At the same time, the existing dust collection equipment uses The manual switch controls the discharge method. This method has the phenomenon of empty discharge. When there is no material, the discharger is also working, and the discharge is flammable gas, which is prone to explosion. Existing dust collection equipment does not have a safety explosion-proof valve, but once the explosion cannot release the pressure.
发明内容Summary of the invention
本发明所要解决的技术问题是：提供一种使用安全的回转反吹式防爆收尘器结构。The technical problem to be solved by the present invention is to provide a structure of a rotary reverse blow type explosion-proof dust collector which is safe to use.
为了解决上述技术问题，本发明采用的技术方案是：回转反吹式防爆收尘器结构，包括：收尘器本体，设置在收尘器本体内的滤袋，设置在收尘器本体下端的灰斗，设置在灰斗下端的卸料口和电动卸料器，设置在收尘器本体一侧的灰尘进风口和设置在收尘器本体另一侧与负压风机相连接的吸风口，在吸风口上设置有反吹风机，的反吹风机通过风机风道与设置在收尘器本体上端的固定连接通道相连接，在固定连接通道内设置有悬挂架，在固定连接通道的上端设置有减速电机，减速电机的转轴通过连接套与悬挂架的上端相连接，悬挂架的下端通过轨道式轴承弹珠支撑在收尘器本体上，悬挂架的下端连接有与固定连接通道相互连通的回转送风管道的上端相连接，在回转送风管道上设置有两个与滤袋相互配合的吹风口，在收尘器本体上设置有防爆泄压阀，在灰斗上分别设置有上料位检测仪和下料位检测仪。In order to solve the above technical problems, the technical solution adopted by the present invention is: a rotary reverse blow type explosion-proof dust collector structure, including: a dust collector body, a filter bag provided in the body of the dust collector, and a filter bag provided at the lower end of the dust collector body. Ash hopper, a discharge port and an electric discharger provided at the lower end of the ash hopper, a dust inlet provided on one side of the dust collector body, and an air inlet provided on the other side of the dust collector body and connected to a negative pressure fan, An air blower is arranged on the air suction port. The anti hair blower is connected to a fixed connection channel provided on the upper end of the dust collector body through a fan air duct, a suspension frame is provided in the fixed connection channel, and a speed reduction is provided on the upper end of the fixed connection channel. The rotating shaft of the motor and the reduction motor is connected to the upper end of the suspension frame through a connection sleeve, and the lower end of the suspension frame is supported on the dust collector body by a track-type bearing marbles. The upper ends of the air ducts are connected, and two air outlets that cooperate with the filter bag are provided on the rotary air supply duct, and an explosion-proof pressure relief valve is provided on the dust collector body. Are provided on the material level detector and level detector on the hopper.
本发明的优点是：上述回转反吹式防爆收尘器结构，内部采用悬挂式转动结构，轨道式轴承弹珠旋转，最大限度的减少了摩擦，以防引起火花，采用反吹风 气体进行清灰，相比以前老式的脉冲高压气体清灰而言，具有压力低，震动小的特点，既保证了清灰功能，又减小了喷吹脉冲高压气所带来的剧烈震动而引发火花的可能性，同时，采用上下料位检测仪检测料位，智能控制卸料，当收尘器内部压力达到一定极限时，防爆泄压阀自动打开泄压，使用更加安全。The invention has the advantages that the above-mentioned rotary reverse blow type explosion-proof dust collector structure adopts a suspended rotating structure inside, and the orbital bearing marbles rotate to minimize friction to prevent sparks, and the anti-blow gas is used for cleaning. Compared with the old-fashioned pulsed high-pressure gas cleaning, it has the characteristics of low pressure and small vibration, which not only ensures the cleaning function, but also reduces the possibility of sparks caused by the violent vibration brought by the pulsed high-pressure gas. At the same time, the upper and lower material level detectors are used to detect the material level and intelligently control the discharge. When the internal pressure of the dust collector reaches a certain limit, the explosion-proof pressure relief valve automatically opens and releases the pressure, making it safer to use.
图1为本发明回转反吹式防爆收尘器结构的结构示意图。FIG. 1 is a schematic structural diagram of a structure of a rotary reverse-blown explosion-proof dust collector of the present invention.
图中：1、收尘器本体，2、滤袋，3、灰斗，4、卸料口，5、电动卸料器，6、灰尘进风口，7、吸风口，8、反吹风机，9、风机风道，10、固定连接通道，11、悬挂架，12、减速电机，13、转轴，14、连接套，15、轨道式轴承弹珠，16、回转送风管道，17、吹风口，18、防爆泄压阀，19、上料位检测仪，20、下料位检测仪，21、灰尘。In the picture: 1, dust collector body, 2, filter bag, 3, ash hopper, 4, discharge opening, 5, electric discharge device, 6, dust inlet, 7, air inlet, 8, anti-hair dryer, 9 Fan duct, 10, Fixed connection channel, 11, Suspension frame, 12, Geared motor, 13, Rotary shaft, 14, Connection sleeve, 15, Orbital bearing marbles, 16, Rotary air supply duct, 17, Blower, 18. Explosion-proof pressure relief valve, 19. Upper material level detector, 20, Lower material level detector, 21. Dust.
下面结合附图和具体实施例详细描述一下本发明的具体内容。The specific content of the present invention is described in detail below with reference to the drawings and specific embodiments.
如图1所示，回转反吹式防爆收尘器结构，包括：收尘器本体1，设置在收尘器本体1内的滤袋2，设置在收尘器本体1下端的灰斗3，设置在灰斗3下端的卸料口4和电动卸料器5，设置在收尘器本体1一侧的灰尘进风口6和设置在收尘器本体1另一侧与负压风机相连接的吸风口7，在吸风口7上设置有反吹风机8，的反吹风机8通过风机风道9与设置在收尘器本体1上端的固定连接通道10相连接，在固定连接通道10内设置有悬挂架11，在固定连接通道10的上端设置有减速电机12，减速电机12的转轴13通过连接套14与悬挂架11的上端相连接，悬挂架11的下端通过轨道式轴承弹珠15支撑在收尘器本体1上，悬挂架11的下端连接有与固定连接通道10相互连通的回转送风管道16的上端相连接，在回转送风管道16上设置有两个与滤袋2相互配合的吹风口17，在收尘器本体1上设置有防爆泄压阀18，在灰斗3上分别设置有上料位检测仪19和下料位检测仪20。上述回转反吹式防爆收尘器结构使用时，含有灰尘21的气体在负压风机的作用下通过灰尘进风口6进入收尘器本体1，滤袋2对气体中灰尘进行收集，滤袋上的灰尘21堆积到一定程度后，反吹风机8工作，风通过风机风道 9、固定连接通道10、回转送风管道16、吹风口17进入滤袋2内，从而将滤袋2外侧的灰尘21吹落掉入灰斗3内，在清灰过程中，减速电机12带动悬挂架11通过轨道式轴承弹珠15旋转，从而带动回转送风管道16和吹风口17旋转，与滤袋2的更好地进行配合，完成每个滤袋2的清灰工作。当灰斗3内的料位达到上料位检测仪19层面时，上料位检测仪19发送信号通知电动卸料器5运转卸料。当料位下降到下料位检测仪20层面时，下料位检测仪20发送信号通知电动卸料器5停止卸料运转。当收尘器本体1内部压力达到一定极限时，防爆泄压阀18自动打开泄压。As shown in FIG. 1, the structure of the rotary reverse blow type explosion-proof dust collector includes: a dust collector body 1, a filter bag 2 provided in the dust collector body 1, and an ash bucket 3 provided at the lower end of the dust collector body 1. A discharge opening 4 and an electric discharger 5 provided at the lower end of the ash hopper 3, a dust inlet 6 provided on one side of the dust collector body 1 and a negative pressure fan provided on the other side of the dust collector body 1 The air inlet 7 is provided with an anti-air blower 8. The anti-air blower 8 is connected to a fixed connection channel 10 provided on the upper end of the dust collector body 1 through a fan air duct 9, and a suspension is provided in the fixed connection channel 10. The frame 11 is provided with a reduction gear motor 12 at an upper end of the fixed connection channel 10. A rotating shaft 13 of the reduction gear motor 12 is connected to an upper end of the suspension frame 11 through a connection sleeve 14, and a lower end of the suspension frame 11 is supported by a track-type bearing marble 15. On the dust collector body 1, the lower end of the suspension frame 11 is connected to the upper end of the rotary air supply duct 16 which communicates with the fixed connection channel 10, and the rotary air supply duct 16 is provided with two blowers that cooperate with the filter bag 2. Port 17, an explosion-proof pressure relief valve 18 is provided on the dust collector body 1, The hopper 3 is provided with an upper material level detector 19 and a lower material level detector 20 respectively. When the above-mentioned rotary reverse blow type explosion-proof dust collector structure is used, the gas containing dust 21 enters the dust collector body 1 through the dust inlet 6 under the action of a negative pressure fan, and the filter bag 2 collects the dust in the gas. After the dust 21 accumulates to a certain degree, the anti-air blower 8 works, and the wind passes through the fan air duct 9, the fixed connection channel 10, the rotary air supply duct 16, and the blower port 17 into the filter bag 2, so that the dust 21 outside the filter bag 2 It is blown and dropped into the ash hopper 3. During the ash cleaning process, the reduction motor 12 drives the suspension frame 11 to rotate through the orbital bearing marbles 15, thereby rotating the rotary air supply duct 16 and the blowing port 17 to rotate. Cooperate well to complete the cleaning of each filter bag 2. When the material level in the ash hopper 3 reaches the level of the upper level detector 19, the upper level detector 19 sends a signal to notify the electric unloader 5 to run and discharge. When the material level drops to the level of the lower material level detector 20, the lower material level detector 20 sends a signal to notify the electric unloader 5 to stop the unloading operation. When the internal pressure of the dust collector body 1 reaches a certain limit, the explosion-proof pressure relief valve 18 automatically opens the pressure relief.
Claims (1)
- 回转反吹式防爆收尘器结构，包括：收尘器本体，设置在收尘器本体内的滤袋，设置在收尘器本体下端的灰斗，设置在灰斗下端的卸料口和电动卸料器，设置在收尘器本体一侧的灰尘进风口和设置在收尘器本体另一侧与负压风机相连接的吸风口，其特征在于：在吸风口上设置有反吹风机，反吹风机通过风机风道与设置在收尘器本体上端的固定连接通道相连接，在固定连接通道内设置有悬挂架，在固定连接通道的上端设置有减速电机，减速电机的转轴通过连接套与悬挂架的上端相连接，悬挂架的下端通过轨道式轴承弹珠支撑在收尘器本体上，悬挂架的下端连接有与固定连接通道相互连通的回转送风管道的上端相连接，在回转送风管道上设置有两个与滤袋相互配合的吹风口，在收尘器本体上设置有防爆泄压阀，在灰斗上分别设置有上料位检测仪和下料位检测仪。The structure of a rotary reverse blow type explosion-proof dust collector includes a dust collector body, a filter bag provided in the body of the dust collector, a ash bucket provided at the lower end of the dust collector body, a discharge opening provided at the lower end of the ash bucket, and an electric motor. The unloader is provided with a dust air inlet on one side of the dust collector body and an air inlet provided on the other side of the dust collector body and connected with a negative pressure fan, which is characterized in that an anti-air blower is provided on the air inlet, The blower is connected to the fixed connection channel provided on the upper end of the dust collector body through a fan air duct, a suspension frame is provided in the fixed connection channel, and a reduction gear motor is provided on the upper end of the fixed connection channel. The rotation shaft of the reduction motor is suspended through the connection sleeve. The upper ends of the racks are connected, and the lower end of the suspension rack is supported on the dust collector body by rail-type bearing marbles. The lower end of the suspension rack is connected with the upper end of the rotary air supply duct which communicates with the fixed connection channel, and is connected to the rotary air supply. The pipeline is provided with two air outlets that cooperate with the filter bag, an explosion-proof pressure relief valve is arranged on the dust collector body, and a loading level detector and a blanking material are respectively arranged on the ash hopper. Detector.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2018/099062 WO2020029049A1 (en) | 2018-08-06 | 2018-08-06 | Rotary blowback explosion-proof dust collector structure |
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| Application Number | Priority Date | Filing Date | Title |
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| PCT/CN2018/099062 WO2020029049A1 (en) | 2018-08-06 | 2018-08-06 | Rotary blowback explosion-proof dust collector structure |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1952892A1 (en) * | 1969-10-21 | 1971-05-27 | Intensiv Filter Gmbh | Rotating circular multi-bag filter with - reactor subdivisions |
| CN2043524U (en) * | 1988-04-09 | 1989-08-30 | 无锡市水泵厂 | Rotary reverse blow pulse bag dustremover |
| CN1537665A (en) * | 2003-04-15 | 2004-10-20 | 沈继平 | Rotary pulse bag type dust collector |
| CN106110782A (en) * | 2016-08-21 | 2016-11-16 | 江苏荣达利机械有限公司 | Rotary counter-blowing formula explosion-proof dust-precipitator structure |
| CN205965322U (en) * | 2016-08-21 | 2017-02-22 | 江苏荣达利机械有限公司 | Explosion -proof dust collector structure of gyration blowback formula |
-
2018
- 2018-08-06 WO PCT/CN2018/099062 patent/WO2020029049A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1952892A1 (en) * | 1969-10-21 | 1971-05-27 | Intensiv Filter Gmbh | Rotating circular multi-bag filter with - reactor subdivisions |
| CN2043524U (en) * | 1988-04-09 | 1989-08-30 | 无锡市水泵厂 | Rotary reverse blow pulse bag dustremover |
| CN1537665A (en) * | 2003-04-15 | 2004-10-20 | 沈继平 | Rotary pulse bag type dust collector |
| CN106110782A (en) * | 2016-08-21 | 2016-11-16 | 江苏荣达利机械有限公司 | Rotary counter-blowing formula explosion-proof dust-precipitator structure |
| CN205965322U (en) * | 2016-08-21 | 2017-02-22 | 江苏荣达利机械有限公司 | Explosion -proof dust collector structure of gyration blowback formula |
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