CN104888965B - Online unblocking device for wet electrostatic precipitator nozzle - Google Patents
Online unblocking device for wet electrostatic precipitator nozzle Download PDFInfo
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- CN104888965B CN104888965B CN201510356554.XA CN201510356554A CN104888965B CN 104888965 B CN104888965 B CN 104888965B CN 201510356554 A CN201510356554 A CN 201510356554A CN 104888965 B CN104888965 B CN 104888965B
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Abstract
The invention discloses an online unblocking device for a wet electrostatic precipitator nozzle. The online unblocking device comprises a pipeline, a first valve, a second valve and a venturi, wherein the first valve, the second valve and the venturi are arranged on the pipeline. The pipeline has a main and three branches; the free ends of the first and second branches gather and extend to form a nozzle opening used for mounting the nozzle; the free end of the third branch is provided with an unblocking outlet; the venturi is disposed at the connection of the first branch and the main; the first valve and the second valve are arranged on the second branch and the third branch respectively; the online unblocking device further comprises a pressure control system used for detecting pressure of the nozzle opening to control opening and closing of the valves. Automatic transition of the interior pressure and the operating statuses of the valves is controlled without stopping a furnace, thus the nozzle is automatically unblocked; meanwhile, after unblocking, adjusting is automatically performed to allow the nozzle to continue to run. Compared with the traditional unblocking methods, the online unblocking device has the advantages that the performance of a wet electrostatic precipitator is enhanced and the benefit of the wet electrostatic precipitator is greatly improved.
Description
Technical field
The present invention relates to a kind of nozzle block clearing equipment, specifically refer to a kind of online blockage-clearing device of wet-esp nozzle.
Background technology
At present, wet electrical dust precipitator be a kind of for processing the new cleaner containing micro dust and microparticle, main use
To remove containing harmful substances such as the dirt in humid gas, acid mist, water droplet, aerosol, stink, PM2.5, to be to administer atmospheric dust pollution
Ideal equipment.But the spray spout of some wet electrical dust precipitators is all installed in inside wet electrical dust precipitator at present, not blowing out
When inside be filled with flue gas, manually cannot be introduced into, can only blowing out carry out artificial block clearing, affect production efficiency；And adopt people
Work block clearing haves such problems as to waste time and energy, inefficiency, cleaning are undesirable.
Content of the invention
It is an object of the invention to provide a kind of online blockage-clearing device of wet-esp nozzle, realize nozzle is carried out online
Automatic block clearing, compares Traditional Man block clearing mode, not only increases wet electrical dust precipitator performance, but also greatly improve wet type
The bringing benefits of electric cleaner.
In order to reach above-mentioned purpose, the solution of the present invention is：
A kind of online blockage-clearing device of wet-esp nozzle, include pipeline and the first valve member being located on this pipeline, the
Two valve members and Venturi tube；Pipeline has a main road and three branch roads；One end of main road constitutes entrance, and three branch roads are even
It is connected on main road, respectively tie point, the second branch road and the 3rd branch road；This tie point is mutually converged with the free end of the second branch road
Close, and extend the jet hole installed for nozzle, the free end of the 3rd branch road exports for block clearing；Venturi tube is located at first
The junction of road and main road, the first valve member, the second valve member are respectively provided at the second branch road, on the 3rd branch road；Blockage-clearing device also includes
There is the control pressurer system for detecting pressure at jet hole to control the first valve member and the second valve member opens and closes respectively.
Described control pressurer system has the pressure switch being located at jet hole side, and described first valve member, the second valve member are
Electric control element, is detected by this pressure switch and realizes controlling the first valve member, the second valve member to divide by controlling on/off mode
Not keying effect.
Described first valve member is normally open solenoid valve, and the second valve member is normally closed solenoid valve.
Described control pressurer system also has pressure gauge, and this pressure gauge is located on main road.
Described control pressurer system is additionally provided with delay cut-off module, and this delay cut-off module is connected electrically in pressure switch and the
First, between the second valve member, for controlling this first, second valve member delay cut-off to act on.
It is additionally provided with check valve, the one-way flow direction of this check valve is towards Venturi tube place one in described tie point
The direction of side.
Described block clearing outlet extends close to jet hole setting.
It is additionally provided with relief valve by described entrance.
Described online blockage-clearing device is also configured with a device case, and pipeline is installed with device case, the pipeline of this pipeline
Outside entrance, jet hole and block clearing outlet extending apparatus housing.
After such scheme, the present invention having the beneficial effects that with respect to prior art：Wet-esp spray of the present invention
The online blockage-clearing device of mouth, its operation principle is when spray nozzle clogging, and intraductal pressure triggers control pressurer system, using Venturi tube
（Injector）The negative pressure that at trunnion, the inlet port of driving fluid produces, reasonable on pipeline in conjunction with the first valve member, the second valve member
Arrangement, makes the water in nozzle and the stifled thing of plug flow out because of negative pressure, realizes, in the case of not blowing out, controlling intraductal pressure and valve with this
The automatic transformation of part working condition, thus that realizes automatization carries out blocking cleaning work to nozzle, and after the completion of block clearing automatically
Adjustment, makes nozzle work on.
Brief description
Fig. 1 is the axonometric chart of the online blockage-clearing device of the present invention；
Fig. 2 is the internal structure front view of the online blockage-clearing device of the present invention；
Fig. 3 is the schematic diagram during present invention online blockage-clearing device normal work；
Fig. 4 is that the online blockage-clearing device of the present invention carries out schematic diagram during blocking cleaning work.
Label declaration
Pipeline 1 main road 10
Entrance 101 tie point 11
Second branch road 12 jet hole 121
3rd branch road 13 block clearing outlet 131
Venturi tube 2 first valve member 3
Second valve member 4 control pressurer system 5
Pressure switch 51 pressure gauge 52
Check valve 6 relief valve 7
Device case 8 nozzle M.
Specific embodiment
With reference to the accompanying drawings and detailed description this case is described in further detail.
This case is related to a kind of online blockage-clearing device of wet-esp nozzle, as shown in Figure 1-2, mainly includes pipeline 1 He
It is located at the Venturi tube 2 on this pipeline 1（Ejector）, the first valve member 3 and the second valve member 4.
Pipeline 1 has a main road 10 and three branch roads.One end of main road 10 constitutes entrance 101.Article three, branch road is equal
Connect and be located on main road 10, respectively tie point 11, the second branch road 12 and the 3rd branch road 13.This tie point 11 and second
The free end phase on road 12 is converged, and the free end of the pipeline that this meet extends constitutes jet hole 121, so that nozzle M installs.3rd
The free end of branch road 13 exports 131 for block clearing.
Venturi tube 2 is located at the junction of tie point 11 and main road 10, the adsorbent chamber entrance be aligned first of Venturi tube 2
Branch road 11 is arranged.First valve member 3, the second valve member 4 are respectively provided at the second branch road 12, on the 3rd branch road 13.Online blockage-clearing device is also
Include control pressurer system 5, it is used for detecting the pressure suffered by nozzle M at jet hole 121, and accordingly controls the first valve member 3
It is separately turned on or shutoff operation with the second valve member 4.
Described control pressurer system 5, the present invention provides a specific embodiment, and its main element is to be located at by jet hole 121
Pressure switch 51.First valve member 3, the second valve member 4 are electric control element.Detected in jet hole 121 by pressure switch 51
Pressure simultaneously automatically controls the first valve member 3, the break-make of the power supply of the second valve member 4, thus realizing controlling the first valve member 3, the second valve member 4
It is separately turned on or closing motion.Further, described first valve member 3 preferably adopts normally open solenoid valve, and the second valve member 4 is using often
Close electromagnetic valve.Certainly control pressurer system 5 is in addition to using the automatically controlled mode of pressure switch, can also adopt Mechanical course etc. other
Mode, first, second valve member is in addition to using electric control element, it is possible to use mechanical organ, as long as being capable of detecting nozzle
Pressure is simultaneously made associated branch break-make and is controlled.
Preferably, control pressurer system 5 is additionally provided with pressure gauge 52, and this pressure gauge 52 is located on main road 10.By this pressure
Table 52, operator will be seen that pipeline pressure situation, and more crucial is to be indicated by the pressure of this pressure gauge 52, helps set pressure
The operating pressure of switch 51, that is, play pressure when indirect labor's set pressure control system 5 works.
When nozzle M normal work, pass course as shown in phantom in Figure 3, the first valve member 3（Normally open solenoid valve）Place opens
State, and the second valve member 4（Normally closed solenoid valve）Place's closed mode, from the beginning of entrance 101, flows through second through main road 10
Road 12 and the first valve member 3 thereon, finally spray from nozzle M.When nozzle M is filled in stifled, overpressure increases, by Stress control
System 5 detects and controls, and so that the first valve member 3 is closed, the second valve member 4 is opened.Pass course as shown in phantom in Figure 4, using literary composition
The negative pressure that in mound, effect produces, makes plug block up thing from nozzle M through tie point 11 and after passing through Venturi tube 2, then through main road
10, it flow to the 3rd branch road 13, by the second valve member 4 having turned on, finally from block clearing outlet 131 outflow.When overpressure returns to
Normal value, through control pressurer system adjust automatically, makes the first valve member 3 recover to open, the second valve member 4 recovers to close, and finally makes spray
Mouth M works on.
Described pressure switch 51, as the switch of control pressurer system 5, directly controls the first valve member 3, the second valve member 4 to lead to
Disconnected.This kind of mode is applied to common atomizer, and when the stifled thing of plug is jammed in jet hole because of shape, pressure switch 51 acts on, spray
Produce moment negative pressure in mouth, the stifled thing of plug is impacted defeated and dispersed, is easy to flow out from jet hole.Preferably, described control pressurer system 5 is gone back
Delay cut-off module can be provided with（In figure is not shown）, this delay cut-off module is specifically as follows delay cut-off relay, and it is electrically connected
It is connected between pressure switch 51 and the first valve member 3, the second valve member 4, for controlling this first valve member 3, the second valve member 4 delay cut-off to make
With.This kind of mode is applied to finer atomization nozzle, and when the stifled thing of plug cannot flow out from jet hole, what delay cut-off module was risen prolongs
When power down function negative pressure can be made persistently to produce, by the plug in nozzle block up thing suck-back, be beneficial to tamper bleeder, realize excellent
Different block clearing effect.
Preferably, tie point 11 is additionally provided with check valve 6, the one-way flow direction of this check valve 6 is towards venturi
The direction of pipe 2 side.Check valve 6 is in nozzle M normal work, preventing that negative pressure may affect nozzle work
The effect made.
Preferably, block clearing outlet 131 extends close to jet hole 121（Nozzle）Setting.When this is in blocking cleaning work, block clearing
The water that outlet 131 can discharge it sprays to nozzle, for substituting the air that nozzle goes from extraneous inspiration, to improve block clearing effect
Really.
Preferably, it is additionally provided with relief valve 7 by described entrance 101, play safety protection function.
Preferably, described online blockage-clearing device is also configured with an airtight device case 8, and pipeline 1 and its upper-part are installed with
In device case 8, to improve the stability of whole device.For the ease of connecting, the entrance 101 of pipeline 1, jet hole
121 and block clearing export 131 extending apparatus housings 8 outside.In specific design, the first valve member 3 and the second valve member 4 also exposing device housing
8, it is beneficial to electric wire and connect；Offer string holes at device case 8 corresponding pressure switch 51, be beneficial to the connecting line of pressure switch 51
It is easy to connect outside 511 extending apparatus housings 8.
The online blockage-clearing device of the present invention using first, second valve member open and close do not stop automatic conversion, to realize not
The block clearing of on-line automaticization in the case of blowing out, adjust automatically after the completion of block clearing, so that nozzle is worked on；And nozzle and block clearing go out
The water source of mouth is all derived from the water of entrance, and the online block clearing of device is without extra power source；Compare Traditional Man block clearing mode, no
Only enhance wet electrical dust precipitator performance, but also greatly improve bringing benefits of wet electrical dust precipitator, greatly reduce system
Cause this, it is achieved thereby that the possibility of batch production.In addition, the online blockage-clearing device of the present invention is not limited to liquid using medium
Water, gas medium is equally possible.
The foregoing is only the preferred embodiments of the present invention, all impartial changes done with scope of the invention as claimed and
Modify, the scope of the claims in the present invention all should be belonged to.
Claims (9)
1. a kind of online blockage-clearing device of wet-esp nozzle it is characterised in that：Include pipeline and be located on this pipeline the
One valve member, the second valve member and Venturi tube；Pipeline has a main road and three branch roads；One end of main road constitutes entrance,
Article three, branch road is connected on main road, respectively tie point, the second branch road and the 3rd branch road；This tie point and the second branch road
Free end phase is converged, and extends the jet hole installed for nozzle, and the free end of the 3rd branch road exports for block clearing；Venturi tube
It is located at the junction of tie point and main road, the adsorbent chamber entrance be aligned tie point setting of Venturi tube；First valve member, second
Valve member is respectively provided at the second branch road, on the 3rd branch road；Blockage-clearing device also includes for detecting that at jet hole, pressure is to control
The control pressurer system that one valve member and the second valve member open and close respectively.
2. as claimed in claim 1 a kind of online blockage-clearing device of wet-esp nozzle it is characterised in that：Described Stress control
System has the pressure switch being located at jet hole side, and described first valve member, the second valve member are electric control element, are opened by this pressure
Close detection and control the keying effect respectively of the first valve member, the second valve member by controlling on/off mode to realize.
3. as claimed in claim 1 or 2 a kind of online blockage-clearing device of wet-esp nozzle it is characterised in that：Described first
Valve member is normally open solenoid valve, and the second valve member is normally closed solenoid valve.
4. as claimed in claim 2 a kind of online blockage-clearing device of wet-esp nozzle it is characterised in that：Described Stress control
System also has pressure gauge, and this pressure gauge is located on main road.
5. as claimed in claim 2 a kind of online blockage-clearing device of wet-esp nozzle it is characterised in that：Described Stress control
System is additionally provided with delay cut-off module, and this delay cut-off module is connected electrically between pressure switch and first, second valve member, for controlling
Make the effect of this first, second valve member delay cut-off.
6. as claimed in claim 1 a kind of online blockage-clearing device of wet-esp nozzle it is characterised in that：Described tie point
On be additionally provided with check valve, the one-way flow direction of this check valve is the direction towards Venturi tube side.
7. as claimed in claim 1 a kind of online blockage-clearing device of wet-esp nozzle it is characterised in that：Described block clearing outlet
Extend close to jet hole setting.
8. as claimed in claim 1 a kind of online blockage-clearing device of wet-esp nozzle it is characterised in that：Described entrance
Side is additionally provided with relief valve.
9. as claimed in claim 1 a kind of online blockage-clearing device of wet-esp nozzle it is characterised in that：Described online block clearing
Device is also configured with a device case, and pipeline is installed with device case, the entrance of this pipeline, jet hole and block clearing outlet
Outside extending apparatus housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510356554.XA CN104888965B (en) | 2015-06-25 | 2015-06-25 | Online unblocking device for wet electrostatic precipitator nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510356554.XA CN104888965B (en) | 2015-06-25 | 2015-06-25 | Online unblocking device for wet electrostatic precipitator nozzle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104888965A CN104888965A (en) | 2015-09-09 |
| CN104888965B true CN104888965B (en) | 2017-02-22 |
Family
ID=54022167
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510356554.XA Active CN104888965B (en) | 2015-06-25 | 2015-06-25 | Online unblocking device for wet electrostatic precipitator nozzle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104888965B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110639705A (en) * | 2019-09-30 | 2020-01-03 | 华侨大学 | Online cleaning device for wet-type electric precipitator nozzle |
Citations (9)
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|---|---|---|---|---|
| US4134741A (en) * | 1977-09-28 | 1979-01-16 | United Air Specialists, Inc. | Foam cleaning system for an electrostatic precipitator |
| FR2555469A1 (en) * | 1983-11-25 | 1985-05-31 | Berthoud Sa | Improvements to agricultural spraying installations |
| CN87103562A (en) * | 1986-04-18 | 1987-12-23 | 流体技术(澳大利亚)有限公司 | Fluid injection system |
| CN2072432U (en) * | 1990-05-12 | 1991-03-06 | 战英豪 | Boiler fume absorption device |
| CN2377010Y (en) * | 1999-06-04 | 2000-05-10 | 沈兴 | Frequency-changing adjusting spray apparatus |
| CN102101385A (en) * | 2009-12-16 | 2011-06-22 | 北大方正集团有限公司 | Printer head cleaning device and method |
| CN201964913U (en) * | 2010-11-17 | 2011-09-07 | 西安中望流量仪表有限公司 | Internal-mounted combined venturi nozzle throttling device |
| CN204412453U (en) * | 2014-12-31 | 2015-06-24 | 福建龙净环保股份有限公司 | A kind of nozzle cleaning system of wet electrical dust precipitator |
| CN204746594U (en) * | 2015-06-25 | 2015-11-11 | 厦门理工学院 | Online clear stifled device of wet -type electric precipitation nozzle |
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2015
- 2015-06-25 CN CN201510356554.XA patent/CN104888965B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4134741A (en) * | 1977-09-28 | 1979-01-16 | United Air Specialists, Inc. | Foam cleaning system for an electrostatic precipitator |
| FR2555469A1 (en) * | 1983-11-25 | 1985-05-31 | Berthoud Sa | Improvements to agricultural spraying installations |
| CN87103562A (en) * | 1986-04-18 | 1987-12-23 | 流体技术(澳大利亚)有限公司 | Fluid injection system |
| CN2072432U (en) * | 1990-05-12 | 1991-03-06 | 战英豪 | Boiler fume absorption device |
| CN2377010Y (en) * | 1999-06-04 | 2000-05-10 | 沈兴 | Frequency-changing adjusting spray apparatus |
| CN102101385A (en) * | 2009-12-16 | 2011-06-22 | 北大方正集团有限公司 | Printer head cleaning device and method |
| CN201964913U (en) * | 2010-11-17 | 2011-09-07 | 西安中望流量仪表有限公司 | Internal-mounted combined venturi nozzle throttling device |
| CN204412453U (en) * | 2014-12-31 | 2015-06-24 | 福建龙净环保股份有限公司 | A kind of nozzle cleaning system of wet electrical dust precipitator |
| CN204746594U (en) * | 2015-06-25 | 2015-11-11 | 厦门理工学院 | Online clear stifled device of wet -type electric precipitation nozzle |
Non-Patent Citations (1)
| Title |
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| "燃煤锅炉烟气除尘方案的选择";张俊霞;《化肥工业》;20140831;第41卷(第4期);第30-33页 * |
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| CN104888965A (en) | 2015-09-09 |
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