WO2019200711A1 - System and method for highly efficient removal of dust from pneumatic transport pipe - Google Patents
System and method for highly efficient removal of dust from pneumatic transport pipe Download PDFInfo
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- WO2019200711A1 WO2019200711A1 PCT/CN2018/093017 CN2018093017W WO2019200711A1 WO 2019200711 A1 WO2019200711 A1 WO 2019200711A1 CN 2018093017 W CN2018093017 W CN 2018093017W WO 2019200711 A1 WO2019200711 A1 WO 2019200711A1
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- dust
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- electronically controlled
- conveying pipe
- pneumatic conveying
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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
- B01D47/06—Spray cleaning
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- the invention relates to an air pneumatic conveying system suitable for dilute phase and dense phase coal and grain particles, in particular to a high efficiency dust removing system and method in a pneumatic conveying pipe.
- a pneumatic conveying system is a conveying system that transports granular materials in a pipeline by using a gas stream having a certain pressure and a certain speed.
- the pneumatic conveying pipeline is generally a mixed medium of air and powder materials, and belongs to the category of gas-solid two-phase flow.
- the amount of dust in the conveying pipe is gradually increased due to the friction between the material and the pipe and the friction between the materials.
- the amount of dust in the pipe increases to the explosion point, Extremely prone to explosions.
- the present invention provides a high-efficiency dust removal system and method in a pneumatic conveying pipe, which can generate a reasonable spray effect according to the amount of dust in the pipe, thereby satisfying the need for partial or overall dust removal of the pipeline, and preventing Excessive spray can cause material deterioration or blockage of the pipeline, as well as localized heat accumulation and dust explosion.
- the utility model relates to a high-efficiency dust removal system in a pneumatic conveying pipe, which comprises a material pneumatic conveying pipeline, and a dust measuring device and a spraying device connected with the control device and along the flow direction of the material are installed on the material pneumatic conveying pipeline, and the control device is transported according to the material pneumatic conveying pipeline.
- the amount of dust changes, regulating the spray device to produce a spray effect appropriate to the amount of dust.
- the high-efficiency dust removal system in the pneumatic conveying pipe of the present invention can arrange the pneumatic measuring device and the spraying device which are connected with the control device and are arranged along the flow direction of the material in the pneumatic conveying pipeline system, thereby enabling the pneumatic power
- the dust change in the conveying pipeline system is transmitted to the control device and compared with the preset normal dust amount; when the dust amount in the pipeline is higher than the set dust bottom limit, the control device controls the corresponding electronic control
- the flow valve and the electronically controlled reversing valve open the spray device; during the spraying process, the dust measuring device and the control device track the dust change and flow data in the pipeline in time, and adjust the spray device to produce a more reasonable spray effect to obtain the pneumatic conveying pipe.
- the precise dust-removing method, spray volume and spray time can meet the needs of partial or overall dust removal of the pipeline, prevent the material from deteriorating or clogging the pipeline due to excessive spray, and cause local heat accumulation and dust explosion due to insufficient spray. Strong innovation and wide practicality.
- a method for efficient dust removal in a pneumatic conveying pipe the steps are as follows:
- the data analysis controller analyzes the change of the flow field dust content obtained and compares it with the preset normal dust amount
- the data analysis controller controls the electronically controlled flow valve to open, and the passage of the electronically controlled reversing valve is connected to the small spray hole of the spraying device. Open, while the large spray hole is closed, resulting in a weak spray effect;
- the high-pressure water flow enters the material pneumatic conveying pipeline through the high-pressure water flow conveying pipe, the electronically controlled flow valve, the flow meter, the electronically controlled reversing valve and the spraying device;
- the dust measuring device and the flow meter feed back the dust amount and the high pressure water flow data to the data analysis controller in time through the data collecting instrument;
- the data analysis controller adjusts and controls the opening of the electronically controlled flow valve, the position and opening time of the electronically controlled reversing valve by analyzing the feedback data, turning on the large spray hole of the spray device, and closing the small spray hole. Produce a medium spray effect;
- the data analysis controller adjusts and controls the opening degree of the electronically controlled flow valve and the electronically controlled directional control valve.
- the position and opening time allow the spray device to open both the small spray hole and the large spray hole, resulting in a strong spray effect.
- the high-efficiency dust removal method in the pneumatic conveying pipe of the present invention by arranging a plurality of dust measuring devices and spraying devices along the flow direction of the material in the pneumatic conveying pipeline system, the dust in the pneumatic conveying pipeline system The changes are transmitted to the data acquisition instrument and the data analysis controller and compared to a predetermined amount of normal dust.
- the data analysis controller controls the corresponding electronically controlled flow valve and the electronically controlled directional control valve to open the spray device; during the spraying process, the dust measuring device and the flow meter will pipe
- the internal dust change and flow data are timely fed back to the data analysis controller, and by analyzing the feedback data, the opening of the corresponding electronically controlled flow valve, the position and opening time of the electronically controlled reversing valve are adjusted and controlled, which is more reasonable.
- the spray effect is obtained to obtain the precise dust-removing method, the spray amount and the spray time in the pneumatic conveying pipeline, so as to meet the requirement of partial or overall dust removal of the pipeline, and prevent the material from deteriorating or clogging the pipeline due to excessive spray, and the spray is insufficient. Local heat accumulation, dust explosion and other issues, with strong innovation and extensive practicality.
- FIG. 1 is a schematic structural view of a dust removing system according to an embodiment of the present invention.
- FIG. 2 is a schematic structural view of the spray device of FIG. 1.
- Figure 3 is a partial enlarged view of A in Figure 2.
- FIG. 4 is a schematic structural view of the dust measuring device of FIG. 1.
- a high-efficiency dust removal system in a pneumatic conveying pipe of FIG. 1 includes a material pneumatic conveying pipe 10, and a material pneumatic conveying pipe 10 is further installed.
- the dust measuring device 7 and the spraying device 8 connected to the control device and along the flow direction of the material, the control device adjusts the spray device 8 to produce a spray effect suitable for the amount of dust according to the change in the amount of dust in the material pneumatic conveying pipe 10.
- control device comprises a data acquisition device 1, a data analysis controller 2, an electronically controlled flow valve 4, a flow meter 5 and an electronically controlled reversing valve 6, respectively, the data acquisition device 1 and the dust measuring device 7 and the flow meter 5, respectively Connected, the spray device 8 is sequentially connected to the electronically controlled directional control valve 6, the flow meter 5 and the electronically controlled flow valve 4, and the electronically controlled directional control valve 6 and the electronically controlled flow valve 4 are respectively connected to the data analysis controller 2.
- the inlet of the electronically controlled directional control valve 6 is connected to the outlet of the flow meter 5, and the data output end of the flow meter 5 is connected to the data acquisition device 1 through a data transmission line, the inlet of the flow meter 5 and the electronically controlled flow valve 4
- the outlet of the electronically controlled flow valve 4 is connected to the data analysis controller 2.
- a plurality of sets of dust measuring devices 7 and a plurality of sets of spraying devices 8 are arranged on the material pneumatic conveying pipe 10, the measurement is more accurate and the spraying effect is more uniform; generally, the spraying device 8 and the dust measuring device 7 are installed in pairs, Both the dust measuring device 7 and the spraying device 8 are connected to the material pneumatic conveying pipe 10 via a connecting flange 9.
- the dust measuring device 7 is mainly composed of a dust sensor 7-1, a filter net 7-2 and a measuring tube 7-3, and the two ends of the measuring tube 7-3 are connected by a connecting flange. 9 is connected with the material pneumatic conveying pipe 10, the dust sensor 7-1 is installed at the upper end of the measuring tube 7-3, and the upper and middle ends of the measuring tube 7-3 are also provided with two measuring holes of the left and right, and the conveying airflow enters the dust sensor from the measuring hole at one end.
- the front-end measurement area of 7-1 flows out from the measuring hole at the other end.
- Filters 7-2 are installed at both measuring holes.
- the filter 7-2 can prevent large particles of material from entering the measurement area, affecting the measurement results, and dust.
- the data output of the sensor 7-1 is connected to the data acquisition device 1 via a data transmission line.
- the spray device 8 described in the embodiment comprises a spray tube 8-3 and a high pressure water flow transfer tube 3, the spray tube 8-3 has two sets of axially flat spray holes at the top end, and a set of sprays The holes are small spray holes 8-1, and the other group is large spray holes 8-2.
- Each set of spray holes is composed of three spray holes with a radial angle of 30° to 90°, and each spray hole is made of high pressure.
- the water flow tube 8-4, the spherical valve 8-5 and the valve spring 8-6 are composed; each spray hole is provided with a high pressure water flow tube 8-4, a spherical valve 8-5 and a valve spring 8-6, and the high pressure water flow tube 8
- the end of the -4 end is threadedly connected with the upper end of the spray hole of the spray tube 8-3, and the lower end of the high pressure water flow tube 8-4 is in contact with the upper end of the spherical valve 8-5, and the lower end of the spherical valve 8-5 is passed through the valve spring 8-6.
- the outlet of the spray hole is connected, the outlet of the spray hole is a stepped hole with a diameter contraction, and a ring groove structure is arranged around the lower end of the stepped hole, and the three ring groove structures of each set of spray holes are connected, so that the design can avoid conveying materials.
- the spray tube 8-3 is pressed and formed by powder metallurgy technology to have strong wear resistance.
- a method for efficiently removing dust in a pneumatic conveying pipe the specific steps are as follows:
- the data collecting instrument 1 uses the dust measuring device 7 to obtain the change of the amount of dust in the material pneumatic conveying pipe 10, and transmitting it to the data collecting instrument 1 through the data line, the data collecting instrument 1 transmits the collected dust amount data to the data analyzing controller 2 ;
- the data analysis controller 2 analyzes the obtained flow field dust content change and compares it with a preset normal dust amount
- the data analysis controller 2 controls the electronically controlled flow valve 2 to be opened, and the passage of the electronically controlled directional control valve 6 is connected to the spraying device.
- the small spray hole 8-1 of 8 is opened, and the large spray hole 8-2 is closed, resulting in a weak spray effect;
- the dust measuring device 7 and the flow meter 5 feed back the dust amount and the high pressure water flow data to the data analysis controller 2 in time through the data collecting instrument 1;
- the data analysis controller 2 adjusts and controls the opening degree of the electronically controlled flow valve 4, the position and the opening time of the electronically controlled directional control valve 6, and turns on the large spray hole of the spray device 8 by analyzing the feedback data. 2, close the small spray hole 8-2, resulting in a medium spray effect;
- the data analysis controller 2 adjusts and controls the opening degree and electronically controlled change of the electronically controlled flow valve 4.
- the position of the valve 6 and the opening time allow both the small spray hole 8-1 and the large spray hole 8-2 of the spray device 8 to be opened, resulting in a strong spray effect.
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Abstract
A system for highly efficient removal of dust from a pneumatic transport pipe comprises a pneumatic material transport pipe (10). The pneumatic material transport pipe (10) is provided with a dust measurement device (7) and a misting device (8) connected to a control device and sequentially arranged in a material flow direction. The control device controls, according to a change in a dust amount in the pneumatic material transport pipe (10), the misting device (8) to generate mist in an amount corresponding to the dust amount. The system for highly efficient removal of dust from a pneumatic transport pipe can perform a dust removal operation with respect to a portion of or the entire pipe, prevent material deterioration or blocking of the pipe resulting from an excessive amount of mist, and prevent problems such as locally accumulated heat and dust explosion due to insufficient mist.
Description
本发明涉及一种适用于稀相和密相煤炭及粮食颗粒的空气气力输送***，尤其是一种气力输送管内高效除尘***及方法。The invention relates to an air pneumatic conveying system suitable for dilute phase and dense phase coal and grain particles, in particular to a high efficiency dust removing system and method in a pneumatic conveying pipe.
气力输送***是利用具有一定压力和一定速度的气流在管道中输送粉粒状物料的一种输送***。气力输送管道中，一般是空气和粉粒物料的混合介质，属于气固两相流范畴。A pneumatic conveying system is a conveying system that transports granular materials in a pipeline by using a gas stream having a certain pressure and a certain speed. The pneumatic conveying pipeline is generally a mixed medium of air and powder materials, and belongs to the category of gas-solid two-phase flow.
气力输送过程中，由于物料与管道间的摩擦作用、物料间的摩擦作用，输送管道内的粉尘量逐渐增大，对于煤炭和粮食颗粒输送中，当管内粉尘量增大到燃爆点时，极易发生***事故。During the pneumatic conveying process, the amount of dust in the conveying pipe is gradually increased due to the friction between the material and the pipe and the friction between the materials. For the transportation of coal and grain particles, when the amount of dust in the pipe increases to the explosion point, Extremely prone to explosions.
因此，常常在物料输送前，需要对物料进行喷水加湿，以减少管道悬浮粉尘。但是，对物料进行输送前喷水加湿，会产生物料变质发霉、管内水分较多堵塞弯头及增压测量装置，从而制约了气力输送技术在煤炭输送和粮食输送的应用和发展。Therefore, it is often necessary to spray water and humidify the material before the material is conveyed to reduce the suspended dust of the pipeline. However, before the material is transported by water spray and humidification, the material will be deteriorated and moldy, the water inside the pipe will block the elbow and the pressure measuring device, which restricts the application and development of the pneumatic conveying technology in coal transportation and grain transportation.
发明内容Summary of the invention
为了克服现有技术的上述不足，本发明提供一种气力输送管内高效除尘***及方法，能够根据管内粉尘量，产生较为合理的喷雾效果，达到既满足管道局部或者整体除尘的需要，又可防止喷雾过量而产生物料变质或堵塞管道，以及喷雾不足而发生局部积热、粉尘***等问题。In order to overcome the above-mentioned deficiencies of the prior art, the present invention provides a high-efficiency dust removal system and method in a pneumatic conveying pipe, which can generate a reasonable spray effect according to the amount of dust in the pipe, thereby satisfying the need for partial or overall dust removal of the pipeline, and preventing Excessive spray can cause material deterioration or blockage of the pipeline, as well as localized heat accumulation and dust explosion.
本发明解决其技术问题采用的技术方案是：The technical solution adopted by the present invention to solve the technical problems thereof is:
一种气力输送管内高效除尘***，包括物料气力输送管道，在物料气力 输送管道上还安装有与控制装置相连、沿物料流向顺接的粉尘测量装置和喷雾装置，控制装置根据物料气力输送管道中的粉尘量变化，调控喷雾装置产生与粉尘量相适的喷雾效果。The utility model relates to a high-efficiency dust removal system in a pneumatic conveying pipe, which comprises a material pneumatic conveying pipeline, and a dust measuring device and a spraying device connected with the control device and along the flow direction of the material are installed on the material pneumatic conveying pipeline, and the control device is transported according to the material pneumatic conveying pipeline. The amount of dust changes, regulating the spray device to produce a spray effect appropriate to the amount of dust.
相比现有技术，本发明的一种气力输送管内高效除尘***，通过在气力输送管道***中，布置了与控制装置相连、沿物料流向顺接的粉尘测量装置和喷雾装置，从而可以将气力输送管道***中的粉尘变化，传输到控制装置中，并与预先设定的正常粉尘量进行对比；当管道内的粉尘量高于设定的粉尘底限值时，控制装置控制相应的电控流量阀和电控换向阀开启喷雾装置；喷雾过程中，粉尘测量装置和控制装置会对管道内粉尘变化和流量数据及时跟踪，调控喷雾装置产生较为合理的喷雾效果，以获得气力输送管道内的精准降尘方式、喷雾量和喷雾时间，达到既满足管道局部或者整体除尘的需要，又可防止喷雾过量而产生物料变质或堵塞管道，以及喷雾不足而发生局部积热、粉尘***等问题，具有较强的创新性和广泛的实用性。Compared with the prior art, the high-efficiency dust removal system in the pneumatic conveying pipe of the present invention can arrange the pneumatic measuring device and the spraying device which are connected with the control device and are arranged along the flow direction of the material in the pneumatic conveying pipeline system, thereby enabling the pneumatic power The dust change in the conveying pipeline system is transmitted to the control device and compared with the preset normal dust amount; when the dust amount in the pipeline is higher than the set dust bottom limit, the control device controls the corresponding electronic control The flow valve and the electronically controlled reversing valve open the spray device; during the spraying process, the dust measuring device and the control device track the dust change and flow data in the pipeline in time, and adjust the spray device to produce a more reasonable spray effect to obtain the pneumatic conveying pipe. The precise dust-removing method, spray volume and spray time can meet the needs of partial or overall dust removal of the pipeline, prevent the material from deteriorating or clogging the pipeline due to excessive spray, and cause local heat accumulation and dust explosion due to insufficient spray. Strong innovation and wide practicality.
一种气力输送管内高效除尘方法，步骤如下：A method for efficient dust removal in a pneumatic conveying pipe, the steps are as follows:
1)在物料气力输送管道中，布置多组沿物料流向顺接的粉尘测量装置和喷雾装置，且粉尘测量装置和喷雾装置成对设置；1) In the material pneumatic conveying pipeline, a plurality of sets of dust measuring devices and spraying devices along the flow direction of the materials are arranged, and the dust measuring device and the spraying device are arranged in pairs;
2)利用粉尘测量装置获得物料气力输送管道中的粉尘量变化情况，通过数据线传输到数据采集仪中，数据采集仪将采集到的粉尘量数据传输给数据分析控制器中；2) using the dust measuring device to obtain the change of the amount of dust in the material pneumatic conveying pipeline, and transmitting the data to the data collecting instrument through the data line, and the data collecting instrument transmits the collected dust amount data to the data analysis controller;
3)数据分析控制器分析获得的流场粉尘含量变化，并与预先设定的正常粉尘量进行对比；3) The data analysis controller analyzes the change of the flow field dust content obtained and compares it with the preset normal dust amount;
4)当物料气力输送管道内的粉尘量高于设定的粉尘底限值时，数据分 析控制器控制电控流量阀开启，并使电控换向阀的通路接通喷雾装置的小喷雾孔开启，同时大喷雾孔关闭，产生弱喷雾效果；4) When the amount of dust in the material pneumatic conveying pipeline is higher than the set dust bottom limit, the data analysis controller controls the electronically controlled flow valve to open, and the passage of the electronically controlled reversing valve is connected to the small spray hole of the spraying device. Open, while the large spray hole is closed, resulting in a weak spray effect;
5)高压水流通过高压水流输送管、电控流量阀、流量计、电控换向阀和喷雾装置进入物料气力输送管道；5) The high-pressure water flow enters the material pneumatic conveying pipeline through the high-pressure water flow conveying pipe, the electronically controlled flow valve, the flow meter, the electronically controlled reversing valve and the spraying device;
6)喷雾过程中，粉尘测量装置和流量计通过数据采集仪将粉尘量和高压水流量数据及时反馈给数据分析控制器；6) During the spraying process, the dust measuring device and the flow meter feed back the dust amount and the high pressure water flow data to the data analysis controller in time through the data collecting instrument;
7)数据分析控制器通过分析反馈的数据，对电控流量阀的开度、电控换向阀的位置和开启时间进行调整与控制，接通喷雾装置的大喷雾孔，关闭小喷雾孔，产生中喷雾效果；7) The data analysis controller adjusts and controls the opening of the electronically controlled flow valve, the position and opening time of the electronically controlled reversing valve by analyzing the feedback data, turning on the large spray hole of the spray device, and closing the small spray hole. Produce a medium spray effect;
8)在中喷雾过程中，当粉尘测量装置获得的管道内粉尘量仍高于预先设定的正常粉尘量，数据分析控制器调整与控制电控流量阀的开度、电控换向阀的位置和开启时间，使喷雾装置的小喷雾孔和大喷雾孔都开启，产生强喷雾效果。8) During the middle spray process, when the amount of dust in the pipeline obtained by the dust measuring device is still higher than the preset normal dust amount, the data analysis controller adjusts and controls the opening degree of the electronically controlled flow valve and the electronically controlled directional control valve. The position and opening time allow the spray device to open both the small spray hole and the large spray hole, resulting in a strong spray effect.
相比现有技术，本发明的一种气力输送管内高效除尘方法，通过在气力输送管道***中，布置多组沿物料流向顺接的粉尘测量装置和喷雾装置，将气力输送管道***中的粉尘变化，传输到数据采集仪和数据分析控制器中，并与预先设定的正常粉尘量进行对比。当管道内的粉尘量高于设定的粉尘底限值时，数据分析控制器控制相应的电控流量阀和电控换向阀开启喷雾装置；喷雾过程中，粉尘测量装置和流量计将管道内粉尘变化和流量数据及时反馈给数据分析控制器，并通过分析反馈的数据，对相应的电控流量阀的开度、电控换向阀的位置和开启时间进行调整和控制，产生较为合理的喷雾效果，以获得气力输送管道内的精准降尘方式、喷雾量和喷雾时间，达到既满足管 道局部或者整体除尘的需要，又可防止喷雾过量而产生物料变质或堵塞管道，以及喷雾不足而发生局部积热、粉尘***等问题，具有较强的创新性和广泛的实用性。Compared with the prior art, the high-efficiency dust removal method in the pneumatic conveying pipe of the present invention, by arranging a plurality of dust measuring devices and spraying devices along the flow direction of the material in the pneumatic conveying pipeline system, the dust in the pneumatic conveying pipeline system The changes are transmitted to the data acquisition instrument and the data analysis controller and compared to a predetermined amount of normal dust. When the amount of dust in the pipeline is higher than the set dust limit, the data analysis controller controls the corresponding electronically controlled flow valve and the electronically controlled directional control valve to open the spray device; during the spraying process, the dust measuring device and the flow meter will pipe The internal dust change and flow data are timely fed back to the data analysis controller, and by analyzing the feedback data, the opening of the corresponding electronically controlled flow valve, the position and opening time of the electronically controlled reversing valve are adjusted and controlled, which is more reasonable. The spray effect is obtained to obtain the precise dust-removing method, the spray amount and the spray time in the pneumatic conveying pipeline, so as to meet the requirement of partial or overall dust removal of the pipeline, and prevent the material from deteriorating or clogging the pipeline due to excessive spray, and the spray is insufficient. Local heat accumulation, dust explosion and other issues, with strong innovation and extensive practicality.
下面结合附图和实施例对本发明进一步说明。The invention will now be further described with reference to the drawings and embodiments.
图1为本发明一个实施例除尘***的结构示意图。1 is a schematic structural view of a dust removing system according to an embodiment of the present invention.
图2为图1中喷雾装置的结构示意图。2 is a schematic structural view of the spray device of FIG. 1.
图3为图2中A处的局部放大图。Figure 3 is a partial enlarged view of A in Figure 2.
图4为图1中的粉尘测量装置的结构示意图。4 is a schematic structural view of the dust measuring device of FIG. 1.
图中：1、数据采集仪，2、数据分析控制器，3、高压水流输送管，4、电控流量阀，5、流量计，6、电控换向阀，7、粉尘测量装置，8、喷雾装置，9、连接法兰，10、物料气力输送管道，7-1、粉尘传感器，7-2、过滤网，7-3、测量管，8-1、小喷雾孔，8-2、大喷雾孔，8-3、喷雾管，8-4、高压水流管，8-5、球形阀，8-6、阀门弹簧。In the figure: 1, data acquisition instrument, 2, data analysis controller, 3, high pressure water flow transmission pipe, 4, electronically controlled flow valve, 5, flow meter, 6, electronically controlled reversing valve, 7, dust measuring device, 8 , spray device, 9, connecting flange, 10, material pneumatic conveying pipeline, 7-1, dust sensor, 7-2, filter, 7-3, measuring tube, 8-1, small spray hole, 8-2, Large spray hole, 8-3, spray tube, 8-4, high pressure water flow tube, 8-5, ball valve, 8-6, valve spring.
为使本发明实施例的目的、技术方案和优点更加清楚，下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例是本发明的一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明的保护范围。The technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the drawings in the embodiments of the present invention. It is a part of the embodiment of the invention, not all of the embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.
图1至图4示出了本发明一个较佳的实施例的结构示意图，图1中的一种气力输送管内高效除尘***，包括物料气力输送管道10，在物料气力输送 管道10上还安装有与控制装置相连、沿物料流向顺接的粉尘测量装置7和喷雾装置8，控制装置根据物料气力输送管道10中的粉尘量变化，调控喷雾装置8产生与粉尘量相适的喷雾效果。其中，所述的控制装置包括数据采集仪1、数据分析控制器2、电控流量阀4、流量计5和电控换向阀6，数据采集仪1分别与粉尘测量装置7和流量计5相连，喷雾装置8依次与电控换向阀6、流量计5及电控流量阀4连接，电控换向阀6和电控流量阀4分别连接数据分析控制器2。更具体地，所述电控换向阀6的进口与流量计5的出口相连，流量计5的数据输出端通过数据传输线与数据采集仪1相连，流量计5的进口与电控流量阀4的出口相连，电控流量阀4的控制端与数据分析控制器2相连。1 to 4 are schematic views showing the structure of a preferred embodiment of the present invention. A high-efficiency dust removal system in a pneumatic conveying pipe of FIG. 1 includes a material pneumatic conveying pipe 10, and a material pneumatic conveying pipe 10 is further installed. The dust measuring device 7 and the spraying device 8 connected to the control device and along the flow direction of the material, the control device adjusts the spray device 8 to produce a spray effect suitable for the amount of dust according to the change in the amount of dust in the material pneumatic conveying pipe 10. Wherein, the control device comprises a data acquisition device 1, a data analysis controller 2, an electronically controlled flow valve 4, a flow meter 5 and an electronically controlled reversing valve 6, respectively, the data acquisition device 1 and the dust measuring device 7 and the flow meter 5, respectively Connected, the spray device 8 is sequentially connected to the electronically controlled directional control valve 6, the flow meter 5 and the electronically controlled flow valve 4, and the electronically controlled directional control valve 6 and the electronically controlled flow valve 4 are respectively connected to the data analysis controller 2. More specifically, the inlet of the electronically controlled directional control valve 6 is connected to the outlet of the flow meter 5, and the data output end of the flow meter 5 is connected to the data acquisition device 1 through a data transmission line, the inlet of the flow meter 5 and the electronically controlled flow valve 4 The outlet of the electronically controlled flow valve 4 is connected to the data analysis controller 2.
优选地，在所述的物料气力输送管道10上布置多组粉尘测量装置7和多组喷雾装置8，测量更准确和喷雾效果更均匀；通常，喷雾装置8与粉尘测量装置7成对安装，粉尘测量装置7和喷雾装置8均通过连接法兰9与物料气力输送管道10连接。Preferably, a plurality of sets of dust measuring devices 7 and a plurality of sets of spraying devices 8 are arranged on the material pneumatic conveying pipe 10, the measurement is more accurate and the spraying effect is more uniform; generally, the spraying device 8 and the dust measuring device 7 are installed in pairs, Both the dust measuring device 7 and the spraying device 8 are connected to the material pneumatic conveying pipe 10 via a connecting flange 9.
参见图4，在本实施例中，所述的粉尘测量装置7主要由粉尘传感器7-1、过滤网7-2和测量管7-3组成，测量管7-3的两端由连接法兰9与物料气力输送管道10相连，粉尘传感器7-1安装在测量管7-3中部上端，测量管7-3中部上端还开有左右两组测量孔，输送气流从一端的测量孔进入粉尘传感器7-1前端测量区域，再从另一端的测量孔流出，两组测量孔处均安装过滤网7-2，过滤网7-2可避免输送的大颗粒物料进入测量区域，影响测量结果，粉尘传感器7-1的数据输出端通过数据传输线与数据采集仪1相连。Referring to FIG. 4, in the embodiment, the dust measuring device 7 is mainly composed of a dust sensor 7-1, a filter net 7-2 and a measuring tube 7-3, and the two ends of the measuring tube 7-3 are connected by a connecting flange. 9 is connected with the material pneumatic conveying pipe 10, the dust sensor 7-1 is installed at the upper end of the measuring tube 7-3, and the upper and middle ends of the measuring tube 7-3 are also provided with two measuring holes of the left and right, and the conveying airflow enters the dust sensor from the measuring hole at one end. The front-end measurement area of 7-1 flows out from the measuring hole at the other end. Filters 7-2 are installed at both measuring holes. The filter 7-2 can prevent large particles of material from entering the measurement area, affecting the measurement results, and dust. The data output of the sensor 7-1 is connected to the data acquisition device 1 via a data transmission line.
参见图2和图3，实施例中所述的喷雾装置8包括喷雾管8-3和高压水 流输送管3，喷雾管8-3顶端具有两组轴向平排的喷雾孔，一组的喷雾孔为小喷雾孔8-1，另一组为大喷雾孔8-2，每组喷雾孔均由三个径向夹角为30°～90°的喷雾孔组成，每个喷雾孔均由高压水流管8-4、球形阀8-5和阀门弹簧8-6组成；每个喷雾孔内均设有高压水流管8-4、球形阀8-5和阀门弹簧8-6，高压水流管8-4末端四周通过螺纹与喷雾管8-3的喷雾孔上端螺纹密封连接，高压水流管8-4末端下方与球形阀8-5上端接触，球形阀8-5下端通过阀门弹簧8-6与喷雾孔的出口相接，喷雾孔的出口为直径收缩的阶梯口，在阶梯口的下端四周具有环槽结构，每组喷雾孔的三个环槽结构是连通的，这样的设计可避免输送物料直接冲击喷雾孔内壁，同时可防止粉尘集结并堵塞喷雾孔；每组喷雾孔的三个高压水流管8-4串联相接至电控换向阀6出口，电控换向阀6的控制端与数据分析控制器2相连，高压水流输送管3与电控流量阀4的进口相连，通过电控换向阀6的不同阀位，以获得不同的喷雾方式，产生强、中、弱三种喷雾效果。Referring to Figures 2 and 3, the spray device 8 described in the embodiment comprises a spray tube 8-3 and a high pressure water flow transfer tube 3, the spray tube 8-3 has two sets of axially flat spray holes at the top end, and a set of sprays The holes are small spray holes 8-1, and the other group is large spray holes 8-2. Each set of spray holes is composed of three spray holes with a radial angle of 30° to 90°, and each spray hole is made of high pressure. The water flow tube 8-4, the spherical valve 8-5 and the valve spring 8-6 are composed; each spray hole is provided with a high pressure water flow tube 8-4, a spherical valve 8-5 and a valve spring 8-6, and the high pressure water flow tube 8 The end of the -4 end is threadedly connected with the upper end of the spray hole of the spray tube 8-3, and the lower end of the high pressure water flow tube 8-4 is in contact with the upper end of the spherical valve 8-5, and the lower end of the spherical valve 8-5 is passed through the valve spring 8-6. The outlet of the spray hole is connected, the outlet of the spray hole is a stepped hole with a diameter contraction, and a ring groove structure is arranged around the lower end of the stepped hole, and the three ring groove structures of each set of spray holes are connected, so that the design can avoid conveying materials. Directly impact the inner wall of the spray hole while preventing dust build-up and clogging the spray holes; three high-pressure water flow tubes 8-4 in series for each set of spray holes Connected to the outlet of the electronically controlled directional control valve 6, the control end of the electronically controlled directional control valve 6 is connected to the data analysis controller 2, and the high pressure water flow delivery pipe 3 is connected to the inlet of the electronically controlled flow valve 4, through the electronically controlled directional control valve 6 Different valve positions to obtain different spray methods, resulting in strong, medium and weak spray effects.
优选地，所述的喷雾管8-3采用粉末冶金技术压制烧结成形，以具有较强的耐磨性。Preferably, the spray tube 8-3 is pressed and formed by powder metallurgy technology to have strong wear resistance.
一种气力输送管内高效除尘方法，具体步骤如下：A method for efficiently removing dust in a pneumatic conveying pipe, the specific steps are as follows:
1)在物料气力输送管道10中，布置多组沿物料流向顺接的粉尘测量装置7和喷雾装置8，且粉尘测量装置7和喷雾装置8成对设置；1) in the material pneumatic conveying pipe 10, a plurality of sets of the dust measuring device 7 and the spraying device 8 along the flow direction of the material are arranged, and the dust measuring device 7 and the spraying device 8 are arranged in pairs;
2)利用粉尘测量装置7获得物料气力输送管道10中的粉尘量变化情况，通过数据线传输到数据采集仪1中，数据采集仪1将采集到的粉尘量数据传输给数据分析控制器2中；2) Using the dust measuring device 7 to obtain the change of the amount of dust in the material pneumatic conveying pipe 10, and transmitting it to the data collecting instrument 1 through the data line, the data collecting instrument 1 transmits the collected dust amount data to the data analyzing controller 2 ;
3)数据分析控制器2分析获得的流场粉尘含量变化，并与预先设定的 正常粉尘量进行对比；3) The data analysis controller 2 analyzes the obtained flow field dust content change and compares it with a preset normal dust amount;
4)当物料气力输送管道10内的粉尘量高于设定的粉尘底限值时，数据分析控制器2控制电控流量阀2开启，并使电控换向阀6的通路接通喷雾装置8的小喷雾孔8-1开启，同时大喷雾孔8-2关闭，产生弱喷雾效果；4) When the amount of dust in the material pneumatic conveying pipe 10 is higher than the set dust bottom limit, the data analysis controller 2 controls the electronically controlled flow valve 2 to be opened, and the passage of the electronically controlled directional control valve 6 is connected to the spraying device. The small spray hole 8-1 of 8 is opened, and the large spray hole 8-2 is closed, resulting in a weak spray effect;
5)高压水流通过高压水流输送管3、电控流量阀4、流量计5、电控换向阀6和喷雾装置8进入物料气力输送管道10；5) high pressure water flow through the high pressure water flow pipe 3, electronically controlled flow valve 4, flow meter 5, electronically controlled reversing valve 6 and spray device 8 into the material pneumatic conveying pipe 10;
6)喷雾过程中，粉尘测量装置7和流量计5通过数据采集仪1将粉尘量和高压水流量数据及时反馈给数据分析控制器2；6) During the spraying process, the dust measuring device 7 and the flow meter 5 feed back the dust amount and the high pressure water flow data to the data analysis controller 2 in time through the data collecting instrument 1;
7)数据分析控制器2通过分析反馈的数据，对电控流量阀4的开度、电控换向阀6的位置和开启时间进行调整与控制，接通喷雾装置8的大喷雾孔8-2，关闭小喷雾孔8-2，产生中喷雾效果；7) The data analysis controller 2 adjusts and controls the opening degree of the electronically controlled flow valve 4, the position and the opening time of the electronically controlled directional control valve 6, and turns on the large spray hole of the spray device 8 by analyzing the feedback data. 2, close the small spray hole 8-2, resulting in a medium spray effect;
8)在中喷雾过程中，当粉尘测量装置7获得的管道内粉尘量仍高于预先设定的正常粉尘量，数据分析控制器2调整与控制电控流量阀4的开度、电控换向阀6的位置和开启时间，使喷雾装置8的小喷雾孔8-1和大喷雾孔8-2都开启，产生强喷雾效果。8) In the middle spray process, when the amount of dust in the pipeline obtained by the dust measuring device 7 is still higher than the preset normal dust amount, the data analysis controller 2 adjusts and controls the opening degree and electronically controlled change of the electronically controlled flow valve 4. The position of the valve 6 and the opening time allow both the small spray hole 8-1 and the large spray hole 8-2 of the spray device 8 to be opened, resulting in a strong spray effect.
以上所述，仅是本发明的较佳实施例，并非对本发明做任何形式上的限制，凡是依据本发明的技术实质，对以上实施例所做出任何简单修改和同等变化，均落入本发明的保护范围之内。The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way. Any simple modifications and equivalent changes made to the above embodiments in accordance with the technical spirit of the present invention fall into the present invention. Within the scope of protection of the invention.
Claims (8)
- 一种气力输送管内高效除尘***，包括物料气力输送管道(10)，其特征是：在物料气力输送管道(10)上还安装有与控制装置相连、沿物料流向顺接的粉尘测量装置(7)和喷雾装置(8)，控制装置根据物料气力输送管道(10)中的粉尘量变化，调控喷雾装置(8)产生与粉尘量相适的喷雾效果。The utility model relates to a high-efficiency dust removal system in a pneumatic conveying pipe, which comprises a material pneumatic conveying pipe (10), which is characterized in that: a dust measuring device which is connected with the control device and is arranged along the flow direction of the material is also installed on the material pneumatic conveying pipe (10) (7) And the spraying device (8), the control device adjusts the spray effect of the spray device (8) according to the amount of dust in the material pneumatic conveying pipe (10).
- 根据权利要求1所述的一种气力输送管内高效除尘***，其特征是：在所述的物料气力输送管道(10)上布置多组粉尘测量装置(7)和多组喷雾装置(8)，喷雾装置(8)与粉尘测量装置(7)成对安装，粉尘测量装置(7)和喷雾装置(8)均通过连接法兰(9)与物料气力输送管道(10)连接。The high-efficiency dust removal system in a pneumatic conveying pipe according to claim 1, characterized in that: a plurality of dust measuring devices (7) and a plurality of spraying devices (8) are arranged on the material pneumatic conveying pipe (10), The spraying device (8) is installed in pairs with the dust measuring device (7), and the dust measuring device (7) and the spraying device (8) are both connected to the material pneumatic conveying pipe (10) through the connecting flange (9).
- 根据权利要求2所述的一种气力输送管内高效除尘***，其特征是：所述的控制装置包括数据采集仪(1)、数据分析控制器(2)、电控流量阀(4)、流量计(5)和电控换向阀(6)，数据采集仪(1)分别与粉尘测量装置(7)和流量计(5)相连，喷雾装置(8)依次与电控换向阀(6)、流量计(5)及电控流量阀(4)连接，电控换向阀(6)和电控流量阀(4)分别连接数据分析控制器(2)。The high efficiency dust removal system in a pneumatic conveying pipe according to claim 2, wherein the control device comprises a data acquisition device (1), a data analysis controller (2), an electronically controlled flow valve (4), and a flow rate. The meter (5) and the electronically controlled reversing valve (6), the data collecting instrument (1) is respectively connected with the dust measuring device (7) and the flow meter (5), and the spraying device (8) is sequentially connected with the electronically controlled reversing valve (6) ), the flow meter (5) and the electronically controlled flow valve (4) are connected, and the electronically controlled reversing valve (6) and the electronically controlled flow valve (4) are respectively connected to the data analysis controller (2).
- 根据权利要求3所述的一种气力输送管内高效除尘***，其特征是：所述电控换向阀(6)的进口与流量计(5)的出口相连，流量计(5)的数据输出端通过数据传输线与数据采集仪(1)相连，流量计(5)的进口与电控流量阀(4)的出口相连，电控流量阀(4)的控制端与数据分析控制器(2)相连。The high efficiency dust removal system in a pneumatic conveying pipe according to claim 3, characterized in that: the inlet of the electronically controlled reversing valve (6) is connected to the outlet of the flow meter (5), and the data output of the flow meter (5) The end is connected to the data acquisition instrument (1) through the data transmission line, the inlet of the flow meter (5) is connected to the outlet of the electronically controlled flow valve (4), the control end of the electronically controlled flow valve (4) and the data analysis controller (2) Connected.
- 根据权利要求3所述的一种气力输送管内高效除尘***，其特征是： 所述的粉尘测量装置(7)主要由粉尘传感器(7-1)、过滤网(7-2)和测量管(7-3)组成，测量管(7-3)的两端由连接法兰(9)与物料气力输送管道(10)相连，粉尘传感器(7-1)安装在测量管(7-3)中部上端，测量管(7-3)中部上端还开有左右两组测量孔，输送气流从一端的测量孔进入粉尘传感器(7-1)前端测量区域，再从另一端的测量孔流出，两组测量孔处均安装过滤网(7-2)，粉尘传感器(7-1)的数据输出端通过数据传输线与数据采集仪(1)相连。The high efficiency dust removal system in a pneumatic conveying pipe according to claim 3, wherein: the dust measuring device (7) is mainly composed of a dust sensor (7-1), a filter (7-2) and a measuring tube ( 7-3) Composition, both ends of the measuring tube (7-3) are connected to the material pneumatic conveying pipe (10) by the connecting flange (9), and the dust sensor (7-1) is installed in the middle of the measuring tube (7-3) At the upper end, the upper and middle ends of the measuring tube (7-3) are also provided with two measuring holes on the left and right sides. The conveying airflow enters the measuring area at the front end of the dust sensor (7-1) from the measuring hole at one end, and then flows out from the measuring hole at the other end. A filter (7-2) is installed at the measuring hole, and the data output of the dust sensor (7-1) is connected to the data collecting instrument (1) through a data transmission line.
- 根据权利要求3所述的一种气力输送管内高效除尘***，其特征是：所述的喷雾装置(8)包括喷雾管(8-3)和高压水流输送管(3)，喷雾管(8-3)顶端具有两组轴向平排的喷雾孔，一组的喷雾孔为小喷雾孔(8-1)，另一组为大喷雾孔(8-2)，每组喷雾孔均由三个径向夹角为30°～90°的喷雾孔组成，每个喷雾孔内均设有高压水流管(8-4)、球形阀(8-5)和阀门弹簧(8-6)，高压水流管(8-4)末端四周通过螺纹与喷雾管(8-3)的喷雾孔上端螺纹密封连接，高压水流管(8-4)末端下方与球形阀(8-5)上端接触，球形阀(8-5)下端通过阀门弹簧(8-6)与喷雾孔的出口相接，喷雾孔的出口为直径收缩的阶梯口，在阶梯口的下端四周具有环槽结构，每组喷雾孔的三个环槽结构是连通的，每组喷雾孔的三个高压水流管(8-4)串联相接至电控换向阀(6)出口，电控换向阀(6)的控制端与数据分析控制器(2)相连，高压水流输送管(3)与电控流量阀(4)的进口相连。The high efficiency dust removal system in a pneumatic conveying pipe according to claim 3, characterized in that: the spraying device (8) comprises a spray pipe (8-3) and a high pressure water flow pipe (3), and a spray pipe (8- 3) There are two sets of axially arranged spray holes at the top, one set of spray holes are small spray holes (8-1), and the other set is large spray holes (8-2), each set consists of three spray holes. The spray hole consists of a radial angle of 30 ° ~ 90 °, each spray hole is equipped with a high pressure water flow tube (8-4), a spherical valve (8-5) and a valve spring (8-6), high pressure water flow The end of the tube (8-4) is threadedly connected to the upper end of the spray hole of the spray tube (8-3) by thread, and the upper end of the high pressure water flow tube (8-4) is in contact with the upper end of the spherical valve (8-5), and the spherical valve ( 8-5) The lower end is connected to the outlet of the spray hole through the valve spring (8-6), the outlet of the spray hole is a stepped hole with a diameter contraction, and a ring groove structure is arranged around the lower end of the stepped port, and three spray holes of each group are provided. The ring groove structure is connected. The three high-pressure water flow pipes (8-4) of each group of spray holes are connected in series to the outlet of the electronically controlled reversing valve (6), and the control end and data analysis of the electronically controlled reversing valve (6) Controller (2) connected, high pressure water The flow conveying pipe (3) is connected to the inlet of the electrically controlled flow valve (4).
- 根据权利要求6所述的一种气力输送管内高效除尘***，其特征是：所述的喷雾管(8-3)采用粉末冶金技术压制烧结成形。The high efficiency dust removal system in a pneumatic conveying pipe according to claim 6, wherein the spray pipe (8-3) is pressed and formed by powder metallurgy.
- 一种气力输送管内高效除尘方法，其特征在于，步骤如下：A method for efficient dust removal in a pneumatic conveying pipe, characterized in that the steps are as follows:1)在物料气力输送管道(10)中，布置多组沿物料流向顺接的粉尘测量装置(7)和喷雾装置(8)，且粉尘测量装置(7)和喷雾装置(8)成对设置；1) In the material pneumatic conveying pipe (10), a plurality of sets of dust measuring device (7) and a spraying device (8) along the flow direction of the material are arranged, and the dust measuring device (7) and the spraying device (8) are arranged in pairs ;2)利用粉尘测量装置(7)获得物料气力输送管道(10)中的粉尘量变化情况，通过数据线传输到数据采集仪(1)中，数据采集仪(1)将采集到的粉尘量数据传输给数据分析控制器(2)中；2) Using the dust measuring device (7) to obtain the change of the amount of dust in the material pneumatic conveying pipe (10), and transmitting it to the data collecting instrument (1) through the data line, the data collecting instrument (1) will collect the collected dust amount data. Transfer to the data analysis controller (2);3)数据分析控制器(2)分析获得的流场粉尘含量变化，并与预先设定的正常粉尘量进行对比；3) The data analysis controller (2) analyzes the variation of the flow field dust content obtained and compares it with the preset normal dust amount;4)当物料气力输送管道(10)内的粉尘量高于设定的粉尘底限值时，数据分析控制器(2)控制电控流量阀(2)开启，并使电控换向阀(6)的通路接通喷雾装置(8)的小喷雾孔(8-1)开启，同时大喷雾孔(8-2)关闭，产生弱喷雾效果；4) When the amount of dust in the material pneumatic conveying pipe (10) is higher than the set dust limit value, the data analysis controller (2) controls the electronically controlled flow valve (2) to open and makes the electronically controlled reversing valve ( 6) The passage of the small spray hole (8-1) of the spray device (8) is opened, and the large spray hole (8-2) is closed, resulting in a weak spray effect;5)高压水流通过高压水流输送管(3)、电控流量阀(4)、流量计(5)、电控换向阀(6)和喷雾装置(8)进入物料气力输送管道(10)；5) The high pressure water flow enters the material pneumatic conveying pipe (10) through the high pressure water flow conveying pipe (3), the electronically controlled flow valve (4), the flow meter (5), the electronically controlled reversing valve (6) and the spraying device (8);6)喷雾过程中，粉尘测量装置(7)和流量计(5)通过数据采集仪(1)将粉尘量和高压水流量数据及时反馈给数据分析控制器(2)；6) During the spraying process, the dust measuring device (7) and the flow meter (5) feed back the dust amount and the high pressure water flow data to the data analysis controller (2) in time through the data collecting instrument (1);7)数据分析控制器(2)通过分析反馈的数据，对电控流量阀(4)的开度、电控换向阀(6)的位置和开启时间进行调整与控制，接通喷雾装置(8)的大喷雾孔(8-2)，关闭小喷雾孔(8-2)，产生中喷雾效果；7) The data analysis controller (2) adjusts and controls the opening degree of the electronically controlled flow valve (4), the position and opening time of the electronically controlled directional control valve (6) by analyzing the feedback data, and turns on the spray device ( 8) Large spray hole (8-2), close the small spray hole (8-2) to produce a medium spray effect;8)在中喷雾过程中，当粉尘测量装置(7)获得的管道内粉尘量仍高于预先设定的正常粉尘量，数据分析控制器(2)调整与控制电控流量阀(4)的开度、电控换向阀(6)的位置和开启时间，使喷雾装置(8)的小喷雾孔 (8-1)和大喷雾孔(8-2)都开启，产生强喷雾效果。8) During the middle spray process, when the amount of dust in the pipeline obtained by the dust measuring device (7) is still higher than the preset normal dust amount, the data analysis controller (2) adjusts and controls the electronically controlled flow valve (4). The opening and the position and opening time of the electronically controlled directional control valve (6) enable the small spray hole (8-1) and the large spray hole (8-2) of the spray device (8) to be opened, resulting in a strong spray effect.
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| AU2018417115A AU2018417115B2 (en) | 2018-04-16 | 2018-06-27 | High-efficiency dust removal system and method of pneumatic conveying pipe |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810336873.8A CN108421343B (en) | 2018-04-16 | 2018-04-16 | Efficient dust removal system and method in pneumatic conveying pipe |
| CN201810336873.8 | 2018-04-16 |
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| WO2019200711A1 true WO2019200711A1 (en) | 2019-10-24 |
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| PCT/CN2018/093017 WO2019200711A1 (en) | 2018-04-16 | 2018-06-27 | System and method for highly efficient removal of dust from pneumatic transport pipe |
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| Country | Link |
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| CN (1) | CN108421343B (en) |
| AU (1) | AU2018417115B2 (en) |
| WO (1) | WO2019200711A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112090204A (en) * | 2020-08-11 | 2020-12-18 | 安徽龙钰徽派古建工艺制品有限公司 | Cutting equipment is used in brick and tile production with function is collected to dust |
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| US2819930A (en) * | 1953-10-14 | 1958-01-14 | Republic Steel Corp | Apparatus for removing dust |
| GB1013774A (en) * | 1964-02-26 | 1965-12-22 | Bergwerksverband Gmbh | Improvements in and relating to pneumatic conveyors |
| JPS5859124A (en) * | 1981-10-02 | 1983-04-08 | Sanko Kuki Sochi Kk | Pneumatic transport method of coal |
| DE3323486A1 (en) * | 1983-06-30 | 1985-01-03 | Hugo Ibing GmbH, 4350 Recklinghausen | Device for suppressing dust at the outlet of pneumatic delivery lines for construction materials, in particular for dam construction materials in underground working |
| CN103241550A (en) * | 2013-05-09 | 2013-08-14 | 交城义望铁合金有限责任公司 | Pneumatic ash conveying system |
| CN203319266U (en) * | 2013-06-26 | 2013-12-04 | 山东电力工程咨询院有限公司 | Dense pneumatic ash conveying system of thermal power plant |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPS6042130B2 (en) * | 1979-06-05 | 1985-09-20 | 黒崎窯業株式会社 | Spray gun with dust suction function |
| CN208356378U (en) * | 2018-04-16 | 2019-01-11 | 江苏师范大学 | High-efficiency dust removal system in a kind of pneumatic carrier |
-
2018
- 2018-04-16 CN CN201810336873.8A patent/CN108421343B/en not_active Expired - Fee Related
- 2018-06-27 WO PCT/CN2018/093017 patent/WO2019200711A1/en active Application Filing
- 2018-06-27 AU AU2018417115A patent/AU2018417115B2/en not_active Ceased
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2819930A (en) * | 1953-10-14 | 1958-01-14 | Republic Steel Corp | Apparatus for removing dust |
| GB1013774A (en) * | 1964-02-26 | 1965-12-22 | Bergwerksverband Gmbh | Improvements in and relating to pneumatic conveyors |
| JPS5859124A (en) * | 1981-10-02 | 1983-04-08 | Sanko Kuki Sochi Kk | Pneumatic transport method of coal |
| DE3323486A1 (en) * | 1983-06-30 | 1985-01-03 | Hugo Ibing GmbH, 4350 Recklinghausen | Device for suppressing dust at the outlet of pneumatic delivery lines for construction materials, in particular for dam construction materials in underground working |
| CN103241550A (en) * | 2013-05-09 | 2013-08-14 | 交城义望铁合金有限责任公司 | Pneumatic ash conveying system |
| CN203319266U (en) * | 2013-06-26 | 2013-12-04 | 山东电力工程咨询院有限公司 | Dense pneumatic ash conveying system of thermal power plant |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112090204A (en) * | 2020-08-11 | 2020-12-18 | 安徽龙钰徽派古建工艺制品有限公司 | Cutting equipment is used in brick and tile production with function is collected to dust |
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| Publication number | Publication date |
|---|---|
| CN108421343A (en) | 2018-08-21 |
| AU2018417115B2 (en) | 2020-09-17 |
| AU2018417115A1 (en) | 2019-10-31 |
| CN108421343B (en) | 2020-09-04 |
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