阅读说明：本技术 一种pm2.5源颗粒物捕集装置及其远程控制系统 (A kind of source PM2.5 particlate trap system and its tele-control system ) 是由 王琬 冯俊 张天益 王天志 于 2019-08-27 设计创作，主要内容包括：本发明公开了一种PM2.5源颗粒物捕集装置及其远程控制系统。包括有除尘器,除尘器内设有膜分离组件,膜分离组件下端的除尘器上设有气体进口管,气体进口管连接有风机,气体进口管上设有入口阀,膜分离组件上端的除尘器上设有一组反吹管及清洁气体出口管,一组反吹管上分别设有反吹电磁阀门,清洁气体出口管上依次设有清洁气体出口阀、流量计和指示灯,膜分离组件上下两端的除尘器上设有压差计,膜分离组件下端的除尘器上设有反吹气体出口管,反吹气体出口管上设有反吹出气阀。本发明具有操作方便,并且经济实惠,制稳定可靠,大大延长了除尘设备的使用使命,减少了工人的劳动强度,提高了工作中安全系数的有益效果。(The invention discloses a kind of source PM2.5 particlate trap system and its tele-control systems.It include deduster, membrane separation assemblies are equipped in deduster, the deduster of membrane separation assemblies lower end is equipped with gas inlet tube, gas inlet tube is connected with blower, gas inlet tube is equipped with inlet valve, the deduster of membrane separation assemblies upper end is equipped with one group of anti-blowpipe and clean gas outlet, blowback electromagnetic valve is respectively equipped on one group of anti-blowpipe, clean gas outlet valve is successively arranged on clean gas outlet, flowmeter and indicator light, the deduster of membrane separation assemblies upper and lower ends is equipped with differential manometer, the deduster of membrane separation assemblies lower end is equipped with purge gas outlet, purge gas outlet is equipped with blowback air outlet valve.The present invention have it is easy to operate and economical and practical, make it is reliable and stable, substantially prolong the use mission of cleaner, reduce the labor intensity of worker, improve the beneficial effect of safety coefficient in work.)

1. a kind of source PM2.5 particlate trap system, it is characterised in that: include deduster (16), be equipped in deduster (16) The deduster (16) of membrane separation assemblies (3), membrane separation assemblies (3) lower end is equipped with gas inlet tube (17), gas inlet tube (17) it is connected with blower (4), gas inlet tube (17) is equipped with inlet valve (5), the deduster (16) of membrane separation assemblies (3) upper end It is equipped with one group of anti-blowpipe (21) and clean gas outlet (20), is respectively equipped with blowback electromagnetic valve on one group of anti-blowpipe (21) (2), clean gas outlet valve (8), flowmeter (10) and indicator light (11), film point are successively arranged on clean gas outlet (20) Deduster (16) from component (3) upper and lower ends is equipped with differential manometer (7), on the deduster (16) of membrane separation assemblies (3) lower end Equipped with purge gas outlet (19), purge gas outlet (19) is equipped with blowback air outlet valve (9), the lower end of deduster (16) Bottom is equipped with cinder-discharging port (18), and cinder-discharging port (18) is equipped with unloading valve (6).

2. the source PM2.5 according to claim 1 particlate trap system, it is characterised in that: membrane separation assemblies (3) phase Pair deduster (16) be equipped with supersonic wave cleaning machine (13) and acoustic wave soot blower (15).

3. the source PM2.5 according to claim 2 particlate trap system, it is characterised in that: one group of anti-blowpipe (21) It is connected with high-pressure air source (1).

4. the source PM2.5 according to claim 3 particlate trap system, it is characterised in that: removing above the cinder-discharging port Dirt device (16) is equipped with grain level sensor (14).

5. the source PM2.5 according to claim 4 particlate trap system and its tele-control system, it is characterised in that: institute State blower (4), inlet valve (5), blowback electromagnetic valve (2), clean gas outlet valve (8), flowmeter (10), indicator light (11), Differential manometer (7), blowback air outlet valve (9), unloading valve (6), supersonic wave cleaning machine (13), acoustic wave soot blower (15) high-pressure air source (1) PLC S7-200CPU 226-EM231 analog quantity, which is connected with, with grain level sensor (14) expands module (12).

6. the source PM2.5 according to claim 5 particlate trap system and its tele-control system, it is characterised in that: institute It states PLC S7-200 CPU 226-EM231 analog quantity and expands module (12) equipped with blower port (23), inlet valve port (24), outlet valve port (25), high-pressure air source port (26), F1 blowback electromagnetic valve port (27), blowback air outlet valve port (28), unloading valve port (29), indicator light port (30), supersonic wave cleaning machine port (31), F2 blowback air outlet valve port (32), Acoustic wave soot blower port (33), differential manometer port (42), flowmeter port (22) and grain level sensor port (39).

7. the source PM2.5 according to claim 6 particlate trap system and its tele-control system, it is characterised in that: institute It states blower port (23) to connect with blower (4), inlet valve port connects (24) and connects with inlet valve (5), F1 blowback electromagnetic valve port (27) it is connect respectively with one group of blowback electromagnetic valve (2) with F2 blowback air outlet valve port (32), outlet valve port (25) and cleaning Gas vent valve (8) connection, flowmeter port (22) are connect with flowmeter (10), and indicator light port (30) and indicator light (11) connect It connects, differential manometer port (42) are connect with differential manometer (7), and blowback air outlet valve port (28) is connect with blowback air outlet valve (9), unloading valve Port (29) is connect with unloading valve (6), and supersonic wave cleaning machine port (31) are connect with supersonic wave cleaning machine (13), acoustic wave soot blower Port (33) is connect with acoustic wave soot blower (15), and high-pressure air source port (26) port is connect with high-pressure air source (1), grain level sensor Port (39) is connect with grain level sensor (14).

8. the source PM2.5 according to claim 6 particlate trap system and its tele-control system, it is characterised in that: institute It states and is additionally provided with malfunction coefficient (34), long-range stopping in PLC S7-200 CPU 226-EM231 analog quantity expansion module (12) (35), scene stops (36), long-range starting (37), scene starting (38), cleaning switch (40) and sound wave cleaning switch (41).

Technical field

The present invention relates to a kind of capturing device, the especially a kind of source PM2.5 particlate trap system and its long-range control system System.

Background technique

The pollution in China is increasingly severe with the development of economy, wherein comparing, the serious is atmosphere pollution.In these years, Dust in atmosphere is more and more, be mainly because industry greatly developing, China develop early stage, it is common to use fuel All be coal, and under the promotion of steel and chemical industry, air quality, which receives, to be seriously affected, dust be exactly one of them not Insignificant factor, and the PM2.5 particulate matter in dust is exactly a big arch-criminal.Health of the source the PM2.5 particulate matter to the mankind The main performance of harm such as insulting cardiorespiratory system, the serious heart can also be caused by greatly increasing the incidence of respiratory disease Vascular diseases.And the capturing device that Inorganic Membrane Dust Catcher is emerging as one kind, thermal stability is good, chemical stability is good, mechanical Intensity greatly and easy cleaning make a little the capturing device it is extremely suitable be used as trap the source PM2.5 particulate matter.But in the equipment What is generallyd use is that common relay, contactor realize control, time of occurrence control inaccuracy, valve malfunction, flow Meter damage works the problems such as unreliable.For these problems, the present invention designed with PLC S7-200 programmable controller and Optimal control process.

Summary of the invention

The object of the present invention is to provide a kind of source PM2.5 particlate trap system and its tele-control systems.The present invention It with easy to operate and economical and practical, makes reliable and stable, substantially prolongs the use mission of cleaner, reduce worker Labor intensity, improve safety coefficient in work.

Technical solution of the present invention: a kind of source PM2.5 particlate trap system and its tele-control system include dedusting Device 16, deduster 16 is interior to be equipped with membrane separation assemblies 3, and the deduster 16 of 3 lower end of membrane separation assemblies is equipped with gas inlet tube 17, gas Body inlet tube 17 is connected with blower 4, and gas inlet tube 17 is equipped with inlet valve 5, sets on the deduster 16 of 3 upper end of membrane separation assemblies There are one group of anti-blowpipe 21 and clean gas outlet 20, is respectively equipped with blowback electromagnetic valve 2, clean gas on one group of anti-blowpipe 21 Clean gas outlet valve 8, flowmeter 10 and indicator light 11 are successively arranged on outlet 20,3 upper and lower ends of membrane separation assemblies are removed Dirt device 16 is equipped with differential manometer 7, and the deduster 16 of 3 lower end of membrane separation assemblies is equipped with purge gas outlet 19, purge gas Outlet 19 is equipped with blowback air outlet valve 9, and the lower end base of deduster 16 is equipped with cinder-discharging port 18, and cinder-discharging port 18 is equipped with unloading valve 6。

In the particlate trap system of the source PM2.5 above-mentioned, the opposite deduster 16 of the membrane separation assemblies 3 is equipped with ultrasound Wave cleaning machine 13 and acoustic wave soot blower 15.

In the particlate trap system of the source PM2.5 above-mentioned, one group of anti-blowpipe 21 is connected with high-pressure air source 1.

In the particlate trap system of the source PM2.5 above-mentioned, the deduster 16 above the cinder-discharging port is equipped with grain level sensor 14。

The source PM2.5 above-mentioned particlate trap system and its tele-control system, the blower 4, inlet valve 5, blowback electricity Magnet valve door 2, clean gas outlet valve 8, flowmeter 10, indicator light 11, differential manometer 7, blowback air outlet valve 9, unloading valve 6, ultrasonic wave Cleaning machine 13,15 high-pressure air source 1 of acoustic wave soot blower and grain level sensor 14 are connected with PLC S7-200 CPU 226-EM231 mould Analog quantity expands module 12.

In the source PM2.5 above-mentioned particlate trap system and its tele-control system, the PLC S7-200 CPU 226- EM231 analog quantity expands module 12 and is equipped with blower port 23, inlet valve port 24, outlet valve port 25, high-pressure air source port 26, F1 blowback electromagnetic valve port 27, blowback air outlet valve port 28, unloading valve port 29, indicator light port 30, ultrasonic cleaning Generator terminal mouth 31, F2 blowback air outlet valve port 32, acoustic wave soot blower port 33, differential manometer port 42, flowmeter port 22 and grain position Sensor port 39.

In the source PM2.5 above-mentioned particlate trap system and its tele-control system, the blower 4 connects with blower port 23 Connect, inlet valve 5 connects 24 with inlet valve port and connects, one group of blowback electromagnetic valve 2 respectively with F1 blowback electromagnetic valve port 27 and F2 Blowback air outlet valve port 32 connects, and clean gas outlet valve 8 is connect with outlet valve port 25, flowmeter 10 and flowmeter port 22 Connection, indicator light 11 are connect with indicator light port 30, and differential manometer 7 is connect with differential manometer port 42, and blowback air outlet valve 9 goes out with blowback Air valve port 28 connects, and unloading valve 6 is connect with unloading valve port 29, and supersonic wave cleaning machine 13 and supersonic wave cleaning machine port 31 connect It connects, acoustic wave soot blower 15 is connect with acoustic wave soot blower port 33, and high-pressure air source 1 is connect with 26 port of high-pressure air source port, grain position Sensor 14 is connect with grain level sensor port 39.

In the source PM2.5 above-mentioned particlate trap system and its tele-control system, the PLC S7-200 CPU 226- EM231 analog quantity, which is expanded in module 12, to be additionally provided with malfunction coefficient 34, remotely stops 35, scene stopping 36, remotely starting 37, scene Starting 38, cleaning switch 40 and sound wave cleaning switch 41.

Compared with prior art, the invention has the following advantages:

1, the working principle of the source PM2.5 particlate trap system of the invention, the particulate matter exhaust gas of the source containing PM2.5 is in blower 4 Driving is lower to be entered equipped with membrane separation assemblies 3 in capturing device deduster 16, the source PM2.5 being retained down by membrane separation assemblies 3 To the lower end of deduster 16, the clean gas after separation passes through clean gas outlet 20 to grain object for free settling under the effect of gravity Discharge.Work a period of time, the decline of 3 flux of membrane separation assemblies to improve its flux, carry out blowback in system, are attached to point It falls off from the source the PM2.5 particulate matter on component.

2, control requires, as shown in Figure 4:

(1) normal dedusting, dusty gas inlet valve 5 and clean gas outlet valve 8 are opened, and keep blower 4 to work, dedusting 10 Minute.

(3) sound wave ashing before blowback, first opens acoustic wave soot blower 15, carries out preliminary deashing, deashing after dedusting Time zone empirical value 15 seconds.

(4) pulse cleaning, when that (can set) after a period of work, 5 He of inlet valve is closed in Pore Blocking, flow decline Clean gas outlet valve 8 opens blowback electromagnetic valve 2 and blowback air outlet valve 9, and high-pressure air source 1 is started to work, and carries out blowback, instead It blows 14 seconds, while the high efficiency in order to keep system dust removing to work, it is desirable that the efficiency of blowback is relatively high, so setting blowback electricity Magnetic valve group carries out zonal control to membrane separation assemblies.

Present invention research illustrates for convenience, using two subregions, i.e. F1 and F2 in blowback electromagnetic valve 2, two electricity Magnet valve respectively controls a subregion, and when F1 is opened, F2 is closed, and when F2 is opened, F1 is closed, and realizes subregion pressurization, protects Demonstrate,prove efficiency of dust collection.

(5) automatic ash-discharging, dedusting work is carrying out always, when dust is stacked into initial material position setting value, grain position sensing Device 13 can make a response, and automatic control system can open unloading valve 6, start to unload ash, other valves should all close at this time.

(6) automatic alarm, flowmeter 10 are working from the beginning, monitor system always, when flow is excessive or Too small, when having exceeded or being less than membrane separation assemblies range of flow, indicator light 11 can make a response, and system automatic alarm prevents The damage of system equipment, it is ensured that effective operation of control system.

(7) ultrasonic cleaning, after dedusting, which works, to be stopped, blower 4 waits components no longer to work, and opens cleaning switch at this time 40, start to clean membrane separation assemblies 3, scavenging period is 60 minutes.

3, the design of control system, as shown in Figure 3:

In the source PM2.5 particlate trap system and its tele-control system, blower 4, inlet valve 5, blowback electromagnetic valve 2, Clean gas outlet valve 8, flowmeter 10, indicator light 11, differential manometer 7, blowback air outlet valve 9, unloading valve 6, supersonic wave cleaning machine 13, 15 high-pressure air source 1 of acoustic wave soot blower and grain level sensor 14 are connected with PLC S7-200 CPU 226-EM231 analog quantity and expand mould Block 12.

4, particlate trap system controller in the source PM2.5 uses the monoblock type of Siemens Company S7-200 PLC.Central processing Device selects CPU226 and EM231 analog quantity to expand module, distributes the port I/O according to the requirement of control system and draws out CPU226-EM231 analog quantity expands modules A C/DC/ relay module wiring diagram, as shown in Figure 2:

The programming language that the present invention selects is ladder diagram, and the master controller of selection is programmable logic controller (PLC) PLC S7- 200, combine control to require to draw ladder diagram using Siemens's STEP-MICRO/WIN programming software, then with corresponding simulation software Carry out analog simulation.(ladder diagram is shown in Fig. 5)

The design principle of program is as follows:

(1) for circuit using mostly controlling, start and stop switch and long-range for designing scene start and stop switch, beat Kaiyuan City's journey and scene start switch, and PM2.5 catching apparatus initially enters dust removal state, and work ten minutes later, initially enters sound wave Preliminary deashing starts blowback after 30 seconds again, and the blowback time is 14 seconds, by the automatic opening and closing of solenoid valve, allows system Cycle operation.

(2) flowmeter port 22 and differential manometer port 42 to the flow and pressure progress real-time monitoring in the course of work and turn Electric signal is changed to as analog quantity, if flow system flow is abnormal, indicator light 11 be will call the police, and since fenestra is blocked, cause to press Strong variation, (can set, the present invention sets analog quantity as 15 milliamperes) when reaching certain value, into blowback state.

(3) grain level sensor port 39 can react according to the position height that dust is accumulated, when 14 quilt of grain level sensor When triggering, unloading valve 6 is opened, and into grey state is unloaded, unloading the grey time is 10 seconds, other valves are closed during unloading ash, unloads After ash is completed, equipment works again.

(4) since the opening and closing of solenoid valve all can be there is a situation where lagging, the equipment work of control system of the invention Making the time considers lag time, in actual industrial production, with the lengthening of equipment task time, the time of lag Can be increasingly longer, in setting time, the working time of each working condition can be appropriately extended.

(5) it after dedusting terminates, that is, after production in one day terminates, needs to carry out PM2.5 catching apparatus clear It washes, starts cleaning switch 40, supersonic wave cleaning machine 13 can be started.

5, the simulation result operation and analysis of control system

(1) operation control program, start button I0.3, I0.4, circuit, which connects delay, can almost ignore generally in 37ms Left and right.

(2) coil M0.0 is obtained electric, and formation is self-locking, and output quantity Q0.0 starting, output quantity solenoid valve Q0.1, Q0.2 are opened, into Enter dedusting working condition.

(3) Q0.1 and Q0.2 output remains up closes after ten minutes, high-pressure air source Q0.3 starting, acoustic wave soot blower Q1.2 Starting starts primary deashing, and after 15 seconds, blowback solenoid valve Q0.4 and blowback outlet solenoid valve Q0.5 are opened, and works into blowback State, next time when blowback, blowback solenoid valve Q1.1 and blowback air outlet valve Q0.5 are opened, and circuit sequentially work.

(4) Q0.4 and Q0.5 output is closed after remaining up 14s, while Q0.1 and Q0.2 is opened, turning operation (1) Step, working in reciprocating mode.

(5) when the material position of dust reaches initial setting, unloading valve Q0.6 is opened, and unloads ash 10 seconds.

(6) I0.1 or I0.2 stop button is pressed, all outputs are stopped, electromagnetism is all closed.

(7) start cleaning switch I0.6, supersonic wave cleaning machine Q1.0 is opened, and cleaning membrane separation assemblies after sixty minutes, terminate Work.

Control system of the present invention uses SIEMENS PLC S7-200 controller, improves the control skill of PM2.5 catching apparatus Art, realizes the automatic control process of the source PM2.5 particlate trap system, including the source PM2.5 particle collection, acoustic vibration, anti- It blows, deashing and alarm procedure.In operational process, there is not mistake and damage in the solenoid valve and flowmeter of system, to system event Barrier has accomplished real-time monitoring and alarm, and reasonable design greatly reduces the generation of failure.Make the operation of entire control system more Add convenient and efficient, the either control structure of system or the function of controller has all obtained great optimization.In addition, this time Research also solves the problem of catastrophic failure occurs for control system, greatly reduces rate of breakdown, control system is more intelligent, It is more humanized, and control system is automated more and system with mostly controlling, the labor intensity of worker is greatly reduced, It is carried out using S7-200 as controller, is not only controlled simply, conveniently, but also control lag can greatly reduced, control precision is made At influence, reached satisfactory control effect.

In conclusion PM2.5 catching apparatus of the invention, the master controller selection of control system is PLC S7-200. The efficiency of dust collection of PM2.5 catching apparatus is higher than 99%, for 0.1 μm or more of dust, arresting efficiency be up to absolutely, compared with It can also work under wet environment.By multiple repetition test, programmable controller S7-200 programming is simple, easy to operate, And it is economical and practical.When writing program, compiling button can be clicked, then can real time inspection it is whether wrong；It is being simulated When emulation, real time monitoring also can be carried out, observe concrete condition, control reliable and stable.In entire simulation process, catching apparatus is not Only can normal dedusting, normal reverse gas cleaning, guarantee efficiency of dust collection, also introduce ultrasonic cleaning technology, be mounted with ultrasonic wave Cleaning machine substantially prolongs the use mission of cleaner.In addition to this, control system can be realized automatic alarm, automatic anti- It blows, automatic ash removing was waited at making that entire control process is more intelligent and hommization, the labour for greatly reducing worker are strong Degree, substantially increases safety coefficient in work.

So the present invention have it is easy to operate and economical and practical, make it is reliable and stable, substantially prolong making for cleaner With mission, reduce the labor intensity of worker, improves the beneficial effect of safety coefficient in work.

Detailed description of the invention

Fig. 1 is structural schematic diagram of the invention；

Fig. 2 is that PLC S7-200 CPU 226-EM231 analog quantity expansion modules A C/DC/ relay module of the invention connects Line chart；

Fig. 3 is control system figure of the invention；

Fig. 4 is program flow diagram of the invention；

Fig. 5 is ladder diagram of the invention.

The label in accompanying drawing is: 1- high-pressure air source, 2- blowback electromagnetic valve, 3- membrane separation assemblies, 4- blower, 5- entrance Valve, 6- unloading valve, 7- differential manometer, 8- clean gas outlet valve, 9- blowback air outlet valve, 10- flowmeter, 11- indicator light, 12-PLC S7-200 CPU 226-EM231 analog quantity expands module, 13- supersonic wave cleaning machine, 14- level sensors, 15- sound wave ashing Device, 16- deduster, 17- gas inlet tube, 18- cinder-discharging port, 19- purge gas outlet, 20- clean gas outlet, 21- Anti-blowpipe, 22- flowmeter port, 23- blower port, 24- inlet valve port, 25- outlet valve port, 26- high-pressure air source port, 27-F1 blowback electromagnetic valve port, 28- blowback air outlet valve port, 29- unloading valve port, 30- indicator light port, 31- ultrasonic wave Cleaning machine port, 32-F2 blowback air outlet valve port, 33- acoustic wave soot blower port, 34- malfunction coefficient, 35- remotely stop, 36- Scene stops, and 37- remotely starts, the starting of the scene 38-, 39- level sensor ports, 40- cleaning switch, and the cleaning of 41- sound wave is opened It closes, 42- differential manometer port.

Specific embodiment

The present invention is further illustrated with reference to the accompanying drawings and examples, but be not intended as to the present invention limit according to According to.