CN107131512A - A kind of Acoustic regulation soot blower - Google Patents
A kind of Acoustic regulation soot blower Download PDFInfo
- Publication number
- CN107131512A CN107131512A CN201710247109.9A CN201710247109A CN107131512A CN 107131512 A CN107131512 A CN 107131512A CN 201710247109 A CN201710247109 A CN 201710247109A CN 107131512 A CN107131512 A CN 107131512A
- Authority
- CN
- China
- Prior art keywords
- compressed air
- sound wave
- waveguide tube
- acoustic waveguide
- air storage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J1/00—Removing ash, clinker, or slag from combustion chambers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J3/00—Removing solid residues from passages or chambers beyond the fire, e.g. from flues by soot blowers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J2700/00—Ash removal, handling and treatment means; Ash and slag handling in pulverulent fuel furnaces; Ash removal means for incinerators
- F23J2700/001—Ash removal, handling and treatment means
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Incineration Of Waste (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
Occur system, sound wave amplification system and control system the invention provides a kind of Acoustic regulation soot blower, including compressed air storage system, sound wave；The compressed air storage system includes compressed air connector, compressed air storage tank, pressure sensor and tapered channels；System, which occurs, for the sound wave includes high-frequency electromagnetic valve control, check-valves and high-frequency electromagnetic valve；The sound wave amplification system includes motor, ball-screw, acoustic waveguide tube is adjustable section and acoustic waveguide tube outlet section；The control system includes a control terminal.The present invention realizes the adjustable of frequency of sound wave, intensity and soot blowing scope, and enhance soot blowing effect, i.e. the intensity of sound wave, frequency and soot blowing scope can be realized according to user's request and freely adjusted, and can remove various degrees of dust stratification, the adaptability to different operating modes is stronger.
Description
Technical field
Patent of the present invention is related to a kind of boiler acoustic wave ash ejector, specifically a kind of adjustable frequency of sound wave, intensity and soot blowing
The acoustic wave ash ejector of scope.
Background technology
Boiler always occurs the phenomenon of dust stratification incrustation inside boiler and flue, greatly reduces boiler in normal operation
And the heat exchange efficiency of related heat transmission equipment (such as economizer, superheater), and there is potential safety hazard.The soot blowing side commonly used at present
Formula has steam soot blowing, shock-wave ash blowing, combustion gas soot blowing and sonic soot blowing etc., wherein, because sonic soot blowing has without dead angle, to boiler
Flue injury it is small the advantages of and enjoy people to pay close attention to.
The energy conversion of compressed air is acoustic energy by acoustic wave ash ejector technology, and is passed in the way of sound wave to boiler internal
Pass, with certain frequency, amplitude and cycle continuous incoming boiler after regular amplification of the sound wave through megaphone, and with direct projection, anti-
Penetrate, the form such as diffraction is superimposed to form a powerful resonance sound field for not staying dead angle, pulling force or pressure is imposed to deposit, to soot particle
Between and the adhesion between soot particle and chamber wall play a part of weaken and destroy, and formed disorder flow effect cause
Particulate is difficult to gather again.However, existing acoustic wave ash ejector is in the control in terms of frequency of sound wave and soot blowing scope at present
Still have some limitations, the adaptability to different complex working conditions needs enhancing badly.
The content of the invention
It is an object of the invention to provide a kind of Acoustic regulation soot blower, its technical characterstic is to realize frequency of sound wave, intensity
It is adjustable with soot blowing scope, and enhance soot blowing effect.
Specifically regulation scheme is：(1) compressed air storage tank pressure threshold is adjusted to change intensity of acoustic wave；(2) electricity is adjusted
The folding frequency of magnet valve is to change frequency of sound wave；(3) rotation direction of ball-screw is adjusted to change the position of acoustic waveguide tube.
The present invention is achieved by the following scheme：
System, sound wave amplification system and control occur for a kind of Acoustic regulation soot blower, including compressed air storage system, sound wave
System processed；
The compressed air storage system includes compressed air connector, compressed air storage tank, pressure sensor and gradually
Contracting passage, the compressed air connector is located at the inlet end of the compressed air storage tank；The tapered channels are located at described
The outlet side of compressed air storage tank, tapered channels are integrally formed with compressed air storage tank；The pressure sensor is located at institute
State on the inwall of compressed air storage tank；
System, which occurs, for the sound wave includes high-frequency electromagnetic valve control, check-valves and high-frequency electromagnetic valve, the high-frequency electromagnetic
Valve connects the outlet side of the tapered channels, and high-frequency electromagnetic valve described in the check-valves, the high-frequency electromagnetic valve control is electrical
Connect the high-frequency electromagnetic valve；
The sound wave amplification system includes motor, ball-screw, acoustic waveguide tube is adjustable section and acoustic waveguide tube outlet section, described
One end of ball-screw is connected with the rotating shaft of the motor, and the other end of ball-screw has been connected through a screw thread a nut and one
Individual nut frame, nut and the nut frame is affixed, and the nut frame is fixedly arranged on the outer wall at the acoustic waveguide tube outlet block inlet end
On, the acoustic waveguide tube outlet section is bell shape；Adjustable section of the acoustic waveguide tube is the expansion link of a hollow structure, sound
The central shaft that waveguide is adjustable section is parallel with the central shaft of the ball-screw, the arrival end of adjustable section of the acoustic waveguide tube and institute
Check-valves connection is stated, the port of export that acoustic waveguide tube is adjustable section is connected with the acoustic waveguide tube outlet block inlet end；
The control system includes a control terminal, and the control terminal is electrically connected with the pressure sensor, motor
With high-frequency electromagnetic valve control.
Further, the quantity of the ball-screw is 2, and 2 ball-screws are on adjustable section of the acoustic waveguide tube
It is substantially symmetrical about its central axis.
Compressed air storage system includes compressor connector, compressed air storage tank, pressure sensor and tapered channels,
For the pure compressed air that receives compressor, (impure air installs filter additional, protects acoustic wave ash ejector, it is to avoid internal contamination
And reduce maintenance cost), play a part of storage and voltage stabilizing, internal pressure sensor is by perceiving pressure inside the tank, by pressure
Value is changed into electric signal and sends control terminal to, and judges whether startup sonic generator by control terminal, and user can basis
It is actually needed and changes this pressure threshold, adjusts the intensity of sound wave.
System, which occurs, for sound wave includes high-frequency electromagnetic valve, high-frequency electromagnetic valve control and check-valves, for producing sound wave, necessarily
The continuous flow of pressure is cut off to form air pulse by the moment of magnetic valve by magnetic valve, i.e. sound wave.User can pass through control
Terminal processed changes the folding frequency of magnetic valve and then adjusts the frequency of sound wave, to adapt to different operating modes.The effect of check-valves is
Protect soot blower, it is to avoid due to gas backflow caused by the abrupt pressure reduction inside the pressure jump either soot blower of boiler internal
Cigarette ash is caused to enter inside soot blower, pollution corrosion soot blower extends soot blower service life and reduces maintenance cost.
Sound wave amplification system includes electronically controlled motors, ball-screw, acoustic waveguide tube is adjustable section and acoustic waveguide tube outlet section, is used for
Amplify sound wave.User can start motor in control terminal, pass through the dextrorotation for adjusting ball-screw or left-handed control acoustic waveguide tube
Move forward and backward, and then change soot blowing scope, can effectively remove different degrees of dust stratification.Ball-screw is for rotation is transported
It is dynamic to be converted into linear actuator element, and there is the advantages of transmission efficiency, accurate positioning.When ball-screw is used as active body
When, nut according to the helical pitch of corresponding specification will change into linear motion with the rotational angle of screw mandrel, and acoustic waveguide tube outlet section leads to
Nut seat and nut connection are crossed, so as to realize corresponding linear motion.
Control terminal connects pressure sensor, motor and high-frequency electromagnetic valve control, and the operation of soot blower can be adjusted in real time
Parameter, adapts to different conditions of work.
Sonic generator, check-valves, acoustic amplifier three are closely connected with bolt and encrypt gasket, acoustic waveguide tube
Adjustable section is connected with outlet section with flange.
The present invention is advantageous in that：
The adjustable of frequency of sound wave, intensity and soot blowing scope is realized, and enhances the intensity of soot blowing effect, i.e. sound wave, frequency
Rate and soot blowing scope can be realized according to user's request freely to be adjusted, and can remove various degrees of dust stratification, different operating modes are fitted
Answering property is stronger.
Brief description of the drawings
Fig. 1：The general structure schematic diagram of the present invention；
Fig. 2：The partial right side view of the present invention, i.e. soot blower ball-screw distribution map；
Fig. 3：Ball-screw, nut and nut frame partial schematic diagram.
In figure：1：Compressed air connector；2：Compressed air storage tank；3：Pressure sensor；4：Control terminal；5：Electricity
Machine；6：High-frequency electromagnetic valve control；7：Ball-screw；71：Nut；72：Nut frame；8：Acoustic waveguide tube is adjustable section；9：Acoustic waveguide
Pipe outlet section；10：Check-valves；11：High-frequency electromagnetic valve；12：Tapered channels
Embodiment
The invention will be further described with reference to the accompanying drawings and examples：
As shown in Figures 1 to 3：System, sound occur for a kind of Acoustic regulation soot blower, including compressed air storage system, sound wave
Ripple amplification system and control system；
The compressed air storage system includes compressed air connector 1, compressed air storage tank 2, the and of pressure sensor 3
Tapered channels 12, the compressed air connector 1 is located at the inlet end of the compressed air storage tank 2；The tapered channels 12
Located at the outlet side of the compressed air storage tank 2, tapered channels 12 are integrally formed with compressed air storage tank 2；The pressure
Sensor 3 is on the inwall of the compressed air storage tank 2；
System, which occurs, for the sound wave includes high-frequency electromagnetic valve control 6, check-valves 10 and high-frequency electromagnetic valve 11, the high frequency
Magnetic valve 11 connects the outlet side of the tapered channels 12, high-frequency electromagnetic valve 11 described in the check-valves 10, the high-frequency electromagnetic
Valve control 6 is electrically connected with the high-frequency electromagnetic valve 11；
The sound wave amplification system includes motor 5, ball-screw 7, acoustic waveguide tube is adjustable sections 8 and acoustic waveguide tube outlet section 9,
One end of the ball-screw 7 is connected with the rotating shaft of the motor 5, and the other end of ball-screw 7 has been connected through a screw thread one
Nut 71 and a nut frame 72, the nut 71 and nut frame 72 are affixed, and the nut frame 72 is fixedly arranged on the acoustic waveguide tube
On the outer wall of the arrival end of outlet section 9, the acoustic waveguide tube outlet section 9 is bell shape；Adjustable section 8 of the acoustic waveguide tube is one
The expansion link of individual hollow structure, acoustic waveguide tube is adjustable sections 8 central shaft it is parallel with the central shaft of the ball-screw 7, the sound
Waveguide is adjustable, and sections 8 arrival end is connected with the check-valves 10, acoustic waveguide tube is adjustable sections 8 the port of export and the acoustic waveguide tube
The arrival end of outlet section 9 is connected；
The control system includes a control terminal 4, and the control terminal 4 is electrically connected with the pressure sensor 3, electricity
Machine 5 and high-frequency electromagnetic valve control 6.
2. a kind of Acoustic regulation soot blower according to claim 1, it is characterised in that the number of the ball-screw 7
Measure as 2,2 ball-screws 7 are substantially symmetrical about its central axis on adjustable section 8 of the acoustic waveguide tube.
The compressed air storage system includes compressor connector 1, compressed air storage tank 2, pressure sensor 3 and gradually
Contracting passage 12.For connecting the pure compressed air of compressor receiving, (impure air installs filtering additional to the compressor connector 1
Device), weld together with compressed air storage tank 2；The compressed air storage tank 2 is used to store compressed air；The pressure
Sensor 3 is calmed the anger pressure in tank 2 for detection, and pressure value is converted into electric signal sends control terminal 4 to；It is described tapered logical
Road 12 is used to reduce the enthalpy of compressed air stream, and is translated into the kinetic energy of air-flow.
System, which occurs, for the sound wave includes high-frequency electromagnetic valve 11, high-frequency electromagnetic valve control 6 and check-valves 10, for producing
Sound wave.The high-frequency electromagnetic valve 11 is used to cut off the continuous flow of certain pressure to form air pulse, i.e. sound wave.The high frequency
Solenoid valve controller 6 is used for the folding frequency for controlling high-frequency electromagnetic valve 11, and is controlled by control terminal 4；The check-valves 10 is used
In protection soot blower, it is to avoid because gas caused by the abrupt pressure reduction inside the pressure jump either soot blower of boiler internal falls
Stream causes cigarette ash to enter inside soot blower, pollution corrosion soot blower, extends soot blower service life and reduces maintenance cost.
The sound wave amplification system includes motor 5, ball-screw 7, acoustic waveguide tube is adjustable sections 8 and acoustic waveguide tube outlet section 9,
For amplifying sound wave.The motor 5 is used for steering and the velocity of rotation for controlling ball-screw 7, and is controlled by control terminal 4；Institute
Stating ball-screw 7 is used to the rotation of motor 5 being changed into translation, and drives adjustable acoustic waveguide tube 8 and acoustic waveguide tube outlet section 9
It is mobile, driven by motor 5；The acoustic waveguide tube is used to for adjustable section 8 transmitting can be mutual between sound wave and each unit link
It is mobile；The acoustic waveguide tube outlet section 9 is used to amplify and transmit sound wave.
Further, as shown in figure 3, the ball-screw 7 is distributed in the both sides up and down of soot blower, driven by motor 5；
Further, as shown in figure 3, being equipped with nut 71 and nut frame 72 on ball-screw 7.The nut 71 is used to roll
The rotation of screw mandrel 7 is converted into translation, and is welded to connect with nut frame 72；The nut frame 72 is used to connect acoustic waveguide tube outlet section
9, the translation of nut 71 is passed into acoustic waveguide tube outlet section 9.
The control terminal 4 connects pressure sensor 3, motor 5 and high-frequency electromagnetic valve control 6, comes from pressure for receiving
The signal of force snesor 3, and controlled motor 5 and the working condition of high-frequency electromagnetic valve control 6, so as to adjust soot blower in real time
Operational factor, adapts to different conditions of work.
Further, it is that the acoustic waveguide tube can realize freely stretching for acoustic waveguide tube for adjustable section 8, controls the diffusion model of sound wave
Enclose, when dust stratification loosely when, control terminal 4 control ball-screw 7 rotate, shrink this section of acoustic waveguide tube, now soot blowing scope
Expand, improve soot blowing efficiency；When dust stratification is more serious, ball-screw 7 is reversely rotated, this section of acoustic waveguide tube is stretched, now soot blowing
Scope reduces, and acoustic wave energy is more concentrated, and strengthens soot blowing effect.
Below, the operation principle to device of the present invention is described：
(1) compressed air is entered compressed air storage tank 2 (impure air need install filter), pressure by connector 1
Force snesor 3 sends pressure inside the tank to control terminal 4, and when meeting pressure more than or equal to preset pressure, control terminal starts
High-frequency electromagnetic valve 11, a part of enthalpy is converted into kinetic energy, the stream of air while air-flow flows to magnetic valve by tapered channels 12
Speed increase, pressure reduction.
(2) when continuous flow flows through magnetic valve, high-frequency impulse is transformed into by periodicity opening-closure of high-speed electromagnetic valve 11
Air-flow, forms sound wave.
(3) sound wave enters in acoustic amplifier through check-valves, and sound wave is exaggerated in conduit, sequentially passes through the adjustable of conduit
Section 8 and outlet section 9, soot blowing is carried out into boiler.
(4) control terminal 4 acts on as follows
1) pressure in detection compressed air storage tank 2, can adjust the intensity of sound wave by changing the method for reference pressure；
2) the folding frequency of magnetic valve 11 is controlled, it is possible to provide large-scale frequency of sound wave；
3) work of controlled motor 5, changes the position of acoustic waveguide tube.
One layer of acoustic material of system and sound wave amplification system external application occurs for sound wave, reduces soundwave leakage amount, both improved
Soot blowing efficiency turn avoid pollution from environmental noise, improve human users' environment.
Claims (2)
1. a kind of Acoustic regulation soot blower, it is characterised in that occur system, sound wave including compressed air storage system, sound wave and put
Big system and control system；
The compressed air storage system includes compressed air connector (1), compressed air storage tank (2), pressure sensor (3)
With tapered channels (12), the compressed air connector (1) is located at the inlet end of the compressed air storage tank (2)；It is described gradually
Contracting passage (12) is located at the outlet side of the compressed air storage tank (2), tapered channels (12) and compressed air storage tank (2) one
It is body formed；The pressure sensor (3) is on the inwall of the compressed air storage tank (2)；
System, which occurs, for the sound wave includes high-frequency electromagnetic valve control (6), check-valves (10) and high-frequency electromagnetic valve (11), the height
Frequency magnetic valve (11) connects the outlet side of the tapered channels (12), the check-valves (10) high-frequency electromagnetic valve (11), institute
State high-frequency electromagnetic valve control (6) and be electrically connected with the high-frequency electromagnetic valve (11)；
The sound wave amplification system includes motor (5), ball-screw (7), acoustic waveguide tube is adjustable section (8) and acoustic waveguide tube outlet section
(9), one end of the ball-screw (7) is connected with the rotating shaft of the motor (5), and the other end of ball-screw (7) passes through screw thread
A nut (71) and a nut frame (72) are connected with, the nut (71) and nut frame (72) are affixed, the nut frame
(72) on the outer wall for being fixedly arranged on acoustic waveguide tube outlet section (9) arrival end, the acoustic waveguide tube outlet section (9) is toroidal
Shape；Adjustable section of the acoustic waveguide tube (8) is the expansion link of hollow structure, acoustic waveguide tube the is adjustable section central shaft of (8) and institute
The central shaft for stating ball-screw (7) is parallel, and the arrival end of the acoustic waveguide tube adjustable section (8) is connected with the check-valves (10),
Acoustic waveguide tube is adjustable, and section port of export of (8) is connected with acoustic waveguide tube outlet section (9) arrival end；
The control system includes control terminal (4), the control terminal (4) be electrically connected with the pressure sensor (3),
Motor (5) and high-frequency electromagnetic valve control (6).
2. a kind of Acoustic regulation soot blower according to claim 1, it is characterised in that the quantity of the ball-screw (7)
For 2,2 ball-screws (7) are on the substantially symmetrical about its central axis of adjustable section of the acoustic waveguide tube (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710247109.9A CN107131512B (en) | 2017-04-17 | 2017-04-17 | A kind of Acoustic regulation soot blower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710247109.9A CN107131512B (en) | 2017-04-17 | 2017-04-17 | A kind of Acoustic regulation soot blower |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107131512A true CN107131512A (en) | 2017-09-05 |
| CN107131512B CN107131512B (en) | 2019-01-08 |
Family
ID=59716798
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710247109.9A Active CN107131512B (en) | 2017-04-17 | 2017-04-17 | A kind of Acoustic regulation soot blower |
Country Status (1)
| Country | Link |
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| CN (1) | CN107131512B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110131736A (en) * | 2019-05-22 | 2019-08-16 | 河南智力汇科技有限公司 | A kind of intelligence sound wave ashing deduster and installation and application |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06159649A (en) * | 1992-11-30 | 1994-06-07 | Mitsubishi Heavy Ind Ltd | Telescopic type soot blower |
| CN2693362Y (en) * | 2004-03-16 | 2005-04-20 | 邓强强 | Poly frequency sound wave soot blower |
| CN1928434A (en) * | 2006-09-22 | 2007-03-14 | 聂道静 | Rotary valve type sonic blowing ash device |
| EP1987895A1 (en) * | 2007-05-04 | 2008-11-05 | United Technologies Corporation | Detonative cleaning apparatus |
| CN201209869Y (en) * | 2008-05-20 | 2009-03-18 | 北京博惠通科技发展有限公司 | High-efficiency frequency conversion sonic wave ash cleaner |
| CN102563675A (en) * | 2012-01-16 | 2012-07-11 | 李念国 | Portable soot blower of boiler smoke tube |
| CN103148490A (en) * | 2011-12-06 | 2013-06-12 | 中国石油化工股份有限公司 | Telescopic gas soot blower |
-
2017
- 2017-04-17 CN CN201710247109.9A patent/CN107131512B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06159649A (en) * | 1992-11-30 | 1994-06-07 | Mitsubishi Heavy Ind Ltd | Telescopic type soot blower |
| CN2693362Y (en) * | 2004-03-16 | 2005-04-20 | 邓强强 | Poly frequency sound wave soot blower |
| CN1928434A (en) * | 2006-09-22 | 2007-03-14 | 聂道静 | Rotary valve type sonic blowing ash device |
| EP1987895A1 (en) * | 2007-05-04 | 2008-11-05 | United Technologies Corporation | Detonative cleaning apparatus |
| CN201209869Y (en) * | 2008-05-20 | 2009-03-18 | 北京博惠通科技发展有限公司 | High-efficiency frequency conversion sonic wave ash cleaner |
| CN103148490A (en) * | 2011-12-06 | 2013-06-12 | 中国石油化工股份有限公司 | Telescopic gas soot blower |
| CN102563675A (en) * | 2012-01-16 | 2012-07-11 | 李念国 | Portable soot blower of boiler smoke tube |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110131736A (en) * | 2019-05-22 | 2019-08-16 | 河南智力汇科技有限公司 | A kind of intelligence sound wave ashing deduster and installation and application |
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| Publication number | Publication date |
|---|---|
| CN107131512B (en) | 2019-01-08 |
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