CN2790985Y

CN2790985Y - Intelligent pneumatic mixing device

Info

Publication number: CN2790985Y
Application number: CN 200520071272
Authority: CN
Inventors: 虞兰剑; 陶志康; 张志斌
Original assignee: NANDAZIJIN SCIENCE AND TECHNOLOGY GROUP Co Ltd JIANGSU
Current assignee: NANDAZIJIN SCIENCE AND TECHNOLOGY GROUP Co Ltd JIANGSU
Priority date: 2005-04-30
Filing date: 2005-04-30
Publication date: 2006-06-28
Anticipated expiration: 2015-04-30

Abstract

The utility model relates to an intelligent pneumatic mixing device, which comprises a mixing bin, a jet injection tube, a material conveying tube line, a high pressure feed device, a high pressure material conveying tube valve, a multi-stage volute casing multi-cone flow-dilating separator and a high pressure pulsating dust collector, wherein the bottom of the mixing bin is connected with a mixing chamber, and the mixing bin is communicated with the mixing chamber; the back taper part of the mixing bin is provided with a multi-cone mixed flow-dilating device; a plurality of central tubes and pasted wall tubes are arranged in the mixing bin, wherein the pasted wall tubes are communicated with the high pressure feed device through the conveying tube line; the high pressure feed device is communicated with the jet injection tube through the conveying tube line; the jet injection tube is communicated with the high pressure material conveying tube valve through the tube line; the high pressure material conveying tube valve is communicated with the multi-stage volute casing multi-cone flow-dilating separator through the tube line; the multi-stage volute casing multi-cone flow-dilating separator is respectively connected with the mixing bin and the high-efficiency pulsating dust collector through the tube line. The utility model has the advantages of high filtering precision, good dust removal effect and high mixing efficiency, and can be adaptive to the processing requirements of various materials of different physicochemical properties.

Description

Intelligent energy mixer

Technical field

The utility model relates to the powder of the different batches that different time sections is produced, the feedway of plastochondria material, specifically, relates to a kind of intelligent energy mixer.

Background technology

In the industrialized mass process,, need carry out blending to this material for the powder that reaches the different batches that different time sections produces, the metastable physicochemical characteristics requirement of plastochondria correlative.Blending form under on-mechanical direct contact situation is the strength transporting pattern substantially.In numerous industries such as petrochemical complex, grain and oil feed, mine metallurgy, warehouse logistics, all relate to the conveying of powder, plastochondria material.And strength is carried and to be had and other mechanical type is carried incomparable advantage in many aspects: in the strength negative pressure is morcelled, can improve in smashing fineness and crush efficiency, the course of conveying material residual and cross pollution is few, occupation area of equipment is little, drive disk assembly few simple in structure, fed distance is long.95222671.5), multitube gravity mixing device is with the three core pipes (patent No.: 01246871.1), the vane wall pipe mixed type gravity mixing device (patent No.: 03218775.0), solid powder/particle body strength is carried and blending device (application number: 03150704.2) etc. thereby often the strength transporting pattern is applied in the material blending system the disclosed gravity type boat davit blending device (patent No.: that mainly contains in the Chinese patent specification sheets.But these device ubiquity filtering accuracies are low, dust removing effects is poor, blending efficient is low, can not adapt to the defective of multiple different physicochemical characteristics material processing requirements, and can't realize the system intelligent centralized control.

Summary of the invention

The purpose of this utility model is to overcome the deficiencies in the prior art, a kind of filtering accuracy height, good dedusting effect, blending efficient height is provided and can adapts to the intelligent energy mixer of multiple different physicochemical characteristics material processing requirements.

The technical scheme that realizes above-mentioned purpose is: a kind of intelligent energy mixer, comprise mixing silo, jet injection pipe and mass transport pipeline, also comprise the high pressure drawing-in device, high pressure conveying pipeline valve, more multistage volute is bored and is expanded stream disconnector and high-pressure pulsating dust exhaustor, the bottom of mixing silo is connected with the blending chamber, and mixing silo is communicated with the blending chamber, the bottom of mixing silo is back taper, and be provided with many awls in the back taper portion of this mixing silo and mix and expand the stream devices, has the adherent pipe of many base pipes and Duo Gen in the mixing silo, adherent pipe is communicated with the high pressure drawing-in device by diffuser, the high pressure drawing-in device is communicated with the jet injection pipe by diffuser, the jet injection pipe is communicated with high pressure conveying pipeline valve by pipeline, high pressure conveying pipeline valve is bored expansion stream disconnector by pipeline and multistage volute more and is communicated with, and multistage volute is bored expansion stream disconnector more and is connected with efficient jet type dust collector with mixing silo by pipeline respectively.

In technique scheme, adopt high pressure compressed gas as the transmitting power source, delivering gas pressure can reach 0.35～0.5MPa, can fully guarantee transmitting power, the Dual-Phrase Distribution of Gas olid mass mixing ratio can reach μ=40～60, improve greatly and carry running velocity and fed distance, long distance is carried and can be reached 3000 meters, and height can reach 80 meters; System's traffic capacity can reach 100 tons/hour, can realize really that the big flow of concentrated phase two phase flow malleation is a bit to the long distance conveying of multiple spot; Owing to adopt the high pressure jet jet pipe, can be according to aerodynamics Dual-Phrase Distribution of Gas olid correlation theory and related experiment empirical data with outputting material, accelerate to the speed that the Dual-Phrase Distribution of Gas olid requirement is set through high pressure gas by the big flow of jet injection pipe, and in delivery pipe, form reasonable gas-solid body two phase flow, fully guarantee the fluidization campaign of material handling, improve the Dual-Phrase Distribution of Gas olid mass mixing ratio greatly, reduced the delivering gas consumption and reduced system energy consumption; Owing to the material air separation is the big logistics separation of one-level and bores expansion for multistage volute more and flow disconnector, filtering accuracy reaches 99.5%, secondary adopts trace to contain the efficient jet type dust collector of dust separation, and separation efficiency reaches 99.999%, and the particle micronic dust of discharging in the gas is not more than 0.1 μ m.In addition, mixing silo adopts the blending pipe that many central tubular structures and the adherent structure of Duo Gen combine.The powder of diverse location different batches, plastochondria are treated to be transported to the blending chamber for the treatment of blending warehouse bottom in the opening of blending material through differing heights position on the multi-form blending pipe in treating the blending warehouse, and are treating that blending warehouse back taper body adopts many awl mixing to expand the stream device and participates in the powerful blending of volume moment expansion type jointly.Fully adapt to the material handling requirement of multiple different physicochemical characteristics, improved the instant production capacity of blending greatly, shortened the blending time.The blending degree of uniformity of treatment product can bring up to 96% by 92% of technology formerly.

Description of drawings

Fig. 1 is a structural representation of the present utility model;

Fig. 2 is the structural representation of mixing silo among Fig. 1;

Fig. 3 is the A-A cross-sectional schematic of Fig. 2;

Fig. 4 is control principle figure of the present utility model.

The specific embodiment

Below in conjunction with drawings and Examples the utility model is described in further detail.

Shown in Fig. 1～3, a kind of intelligent energy mixer, comprise mixing silo 2, jet injection pipe 11 and mass transport pipeline, also comprise high pressure drawing-in device 7, high pressure conveying pipeline valve 12, more multistage volute is bored and is expanded stream disconnector 13 and high-pressure pulsating dust exhaustor 14, the bottom of mixing silo 2 is connected with blending chamber 17, and mixing silo 2 is communicated with blending chamber 17, the bottom of mixing silo 2 is back taper, and be provided with many awls in the back taper portion of this mixing silo 2 and mix and expand stream devices 6, has the adherent pipe 4 of many base pipes 3 and Duo Gen in the mixing silo 2, adherent pipe 4 is communicated with high pressure drawing-in device 7 by diffuser, high pressure drawing-in device 7 is communicated with jet injection pipe 11 by diffuser, jet injection pipe 11 is communicated with high pressure conveying pipeline valve 12 by pipeline, high pressure conveying pipeline valve 12 is bored expansion stream disconnector 13 by pipeline and multistage volute more and is communicated with, and multistage volute is bored expansion stream disconnector 13 more and is connected with efficient jet type dust collector 14 with mixing silo 2 by pipeline respectively.

As shown in Figure 1, high pressure drawing-in device 7 is provided with and expands stream damper 9.Adopt and expand the delivery speed that stream damper 9 can reduce material, alleviate the impact of material high pressure drawing-in device 7.

Shown in Fig. 1,4, pressure gauge 15, heat indicator 16, flow counter 10, pressure differential indicator 8 and humidity gauge 1 are installed on the diffuser, level-sensing device 5 is installed on the outer wall of mixing silo 2, and these pressure gauges 15, heat indicator 16, flow counter 10, pressure differential indicator 8, humidity gauge 1 and level-sensing device 5 are connected with the PLC programmable controller by transmission line respectively.After adopting this structure, in the concrete field conduct process, level of filler material in on-the-spot blending material temperature, humidity, pipeline warehouse pressure, pressure reduction, flow, the storehouse etc. is monitored, connect the DCS central control system by the PLC programmable controller and realize that order is interactive chain in real time, finish the function of computing machine centralized management, realize the unmanned effective monitoring of multiple spot mobilism hommization.Satisfied that system intelligent is carried out in modernized industry, the hazardous location is unmanned, system's control is visual, the requirement of system management intensification.And take necessary and fully feasible scheme guaranteed safe, reliable, the long-term low energy consumption operation of total system effectively, make the utlity model has low consumption gas, pollution-free, low noise, material-gas ratio height, fragmentation less, advantages such as degree of automation height, anti-clogging.

Principle of work of the present utility model is as follows: adopt high pressure drawing-in device 1 continuously from mixing silo 2 interior outputting materials, will treat that by the jet injection pipe 11 of particular procedure the big flow of blending material accelerates to setting speed by high-pressure delivery gas process.Turn back to multistage volute by high pressure conveying pipeline valve 12 again and bore more and expand stream disconnector 13 and enter in the mixing silo 2, carry to bore by the multistage volute of gas-solid separation equipment more and expand stream disconnector 13 and efficient jet type dust collector 14 separates with gas.Many awls of blending warehouse 2 back taper portions mix the powerful blending of expansion stream device 6 common participation volume moment expansion types.The solid plastochondria material of diverse location different batches is transported to the blending chamber 17 of mixing silo 2 bottoms through the opening of differing heights position on the multi-form blending pipe in mixing silo, after system finishes intelligent blending qualified material can by high pressure conveying pipeline valve 12 multi-point sequents enter next procedure.

As shown in Figure 4, intelligent control part of the present utility model is according to the principle of computing machine centralized management, decentralised control, upper computer is finished the function of computing machine centralized management by the DCS central control system, lower computer realizes equipment is carried out the function of acquisition of signal and action control by being that the control core structure is finished with the PLC programmable controller.Connect the realization data sharing by particular communication between the upper and lower computer.Adopt the total wire joint of PROFIBUS between each control sets mid point, the communication speed height, reliable and stable, can arbitrarily expand and save a large amount of cables and stringing.For the analog signals of each equipment, this device adopts direct private cable to be connected on the master controller CPU, has reduced multiple interference, has improved the reliability of system.In addition, master controller CPU accepts the operational order of upper computer DCS central control system by particular communication and transfers to each field apparatus to realize the plan monitoring of operating personal to whole production line.The employing scene is all mixed in material temperature, humidity, pipeline warehouse pressure pressure reduction, flow, the storehouse monitoring such as weight of material material level and is carried out the real-time multiple spot mobilism hommization unmanned effective monitoring in scene in the concrete field conduct process of mimicry intelligence control system.

Claims

1, a kind of intelligent energy mixer, comprise mixing silo (2), jet injection pipe (11) and mass transport pipeline, it is characterized in that: also comprise high pressure drawing-in device (7), high pressure conveying pipeline valve (12), more multistage volute is bored and is expanded stream disconnector (13) and high-pressure pulsating dust exhaustor (14), the bottom of mixing silo (2) is connected with blending chamber (17), and mixing silo (2) is communicated with blending chamber (17), the bottom of mixing silo (2) is back taper, and be provided with many awls in the back taper portion of this mixing silo (2) and mix and expand stream devices (6), have many base pipes (3) and many adherent pipes (4) in the mixing silo (2), adherent pipe (4) is communicated with high pressure drawing-in device (7) by diffuser, high pressure drawing-in device (7) is communicated with jet injection pipe (11) by diffuser, jet injection pipe (11) is communicated with high pressure conveying pipeline valve (12) by pipeline, high pressure conveying pipeline valve (12) is bored expansion stream disconnector (13) by pipeline and multistage volute more and is communicated with, and multistage volute is bored expansion stream disconnector (13) more and is connected with efficient jet type dust collector (14) with mixing silo (2) by pipeline respectively.

2, intelligent energy mixer according to claim 1 is characterized in that: high pressure drawing-in device (7) is provided with and expands stream damper (9).

3, intelligent energy mixer according to claim 1 and 2, it is characterized in that: pressure gauge (15), heat indicator (16), flow counter (10), pressure differential indicator (8) and humidity gauge (1) are installed on the diffuser, level-sensing device (5) is installed on the outer wall of mixing silo (2), and these pressure gauges (15), heat indicator (16), flow counter (10), pressure differential indicator (8), humidity gauge (1) and level-sensing device (5) are connected with the PLC programmable controller by transmission line respectively.