CN202902290U - Exciting vibration deashing device of waste incineration fluidized bed boiler heating surface - Google Patents
Exciting vibration deashing device of waste incineration fluidized bed boiler heating surface Download PDFInfo
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- CN202902290U CN202902290U CN 201220535809 CN201220535809U CN202902290U CN 202902290 U CN202902290 U CN 202902290U CN 201220535809 CN201220535809 CN 201220535809 CN 201220535809 U CN201220535809 U CN 201220535809U CN 202902290 U CN202902290 U CN 202902290U
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- exciting
- heating surface
- boiler heating
- waste incineration
- deashing
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Abstract
The utility model discloses an exciting vibration deashing device of a waste incineration fluidized bed boiler heating surface, relates to the technical field of deashing of boiler heating surfaces, and aims at providing the exciting vibration deashing device of the waste incineration fluidized bed boiler heating surface having the advantages of being simple in device structural arrangement, convenient to maintain, good in deashing effect and low in energy consumption, investment costs and running costs. The exciting vibration deashing device of the waste incineration fluidized bed boiler heating surface comprises a vibration exciter, an exciting force transmission rod and a fixing device, wherein the vibration exciter is connected with one end of the exciting force transmission rod, the other end of the exciting force transmission rod is connected with one end of the fixing device, and the other end of the fixing device is fixedly connected on the boiler heating surface wall. The exciting vibration deashing device of the waste incineration fluidized bed boiler heating surface is mainly used for a deashing technology of the boiler heating surfaces.
Description
Technical field
The utility model relates to the ash-clearing technology field of boiler heating surface, relates in particular to a kind of exciting deashing device of waste incineration fluidized-bed combustion boiler heating surface.
Background technology
Progressively development along with the waste incineration fluidized-bed combustion boiler, and rubbish is mixed the increasing of burning ratio, the dust stratification of waste incineration fluidized-bed combustion boiler heating surface is also further serious, has a strong impact on main stripping temperature and the cycle of operation of boiler, and the economy of waste incineration fluidized-bed combustion boiler can not be given full play to.
The dust stratification of waste incineration fluidized-bed combustion boiler heating surface is the one of the main reasons that has a strong impact at present boiler economic operation and move continuously.The dust stratification of boiler heating surface has caused become relatively poor, main Steam Temperature Lower, corrosion and exhaust gas temperature of boiler heating surface heat exchange to rise, and has directly caused the shortening in boiler operatiopn cycle and the increasing of stove internal heating surface dust stratification cleaning work amount.
Because the fuel of waste incineration fluidized-bed combustion boiler is rubbish, and the complexity of rubbish and particularity cause to contain low-melting alkali metal ash such as sodium, potassium in the flue gas.At high temperature, low-melting alkali metal ash is easily in the boiler heating surface bonding, and formation is hard burnt.Common shock wave class soot blower is very little by the hard burnt impact of alkali metal ash bonding on this class.And currently used steam soot blowing, shock-wave ash blowing and explosion type deashing, although on existing waste incineration fluidized-bed combustion boiler, all successfully use, but the initial input cost of soot blower is relatively high, and along with the prolongation of running time, its ash-removal effect also weakens thereupon, to the also thereupon raising of operating cost of removing ash of boiler.
China Patent Publication No. CN 2426572, open day is April 11 calendar year 2001, name is called in the scheme of " gas pulse soot-blowing controlling device for boiler " and discloses a kind of gas pulse soot-blowing controlling device for boiler, include igniter, the control section of this device is made of main control cabinet and on-the-spot minute control cabinet two parts, the output of main control cabinet is connected with an on-the-spot minute control cabinet, controls cabinet in on-the-spot minute and is connected with flow sensor, motor-driven valve, magnetic valve and control valve in the pipeline; Pipeline is comprised of air pipe line and fuel gas pipeline, and blower fan is connected with a parallel pipeline in the air pipe line, wherein is provided with valve and air pipe line flowmeter in a pipeline, and another pipeline is provided with valve; Fuel gas source is connected with valve, a parallel pipeline in the fuel gas pipeline, wherein is provided with valve and fuel gas pipeline flowmeter in a pipeline, is provided with valve in another pipeline; Pipeline after the parallel connection is connected on the mixing arrangement with air pipe line by control valve, is connected on layer flame separate orchestration by an igniter, is provided with at layer flame separate orchestration to be the high temperature electric ball valve.Weak point is this gas pulse soot-blowing controlling device for boiler, its structural configuration more complicated, inconvenience maintenance, operating cost height.
The utility model content
The utility model is to have the structural configuration more complicated in order to overcome existing gas pulse soot-blowing controlling device for boiler, inconvenience is safeguarded, the deficiency that operating cost is high, it is simple to provide a kind of apparatus structure to arrange, easy to maintenance, ash-removal effect is good, and energy consumption is low, cost of investment is low, the exciting deashing device of a kind of waste incineration fluidized-bed combustion boiler heating surface that operating cost is low.
To achieve these goals, the utility model is by the following technical solutions:
A kind of exciting deashing device of waste incineration fluidized-bed combustion boiler heating surface, comprise that vibrator, exciting force transmit bar (4), fixture (2), described vibrator transmits bar one end with exciting force and is connected, described exciting force transmits the bar other end and is connected with fixture one end, and the described fixture other end is fixedly connected on the boiler heating surface wall.The exciting deashing is to utilize vibrator as its vibration source, relies on the repeatedly bump of compressed-air actuated pulsation and vibrator piston to produce exciting force.The exciting deashing is the heating surface that exciting force has been delivered to boiler, make the heating surface of whole boiler produce the vibration realizing deashing, so ash-removal effect is better.The exciting deashing device only need dispose corresponding compressed air line, and vibrator, exciting force transmit bar, and apparatus structure is simple, and is easy to maintenance, and energy consumption is low.The excitation type deashing is owing to be the heating surface that exciting force directly is transmitted to boiler, so the some bit comparison that deashing device is arranged is few.Exciting deashing device at present investment is relatively low, and it is low therefore to invest operating cost.
As preferably, also comprise blowing plant (9), described vibrator is pneumatic exciting device (5), be provided with air rammer in the described pneumatic exciting device, described pneumatic exciting device is provided with compressed air input adapter (6), be fixedly connected with air inlet pipe (7) on the described compressed air input adapter, the described air inlet pipe other end is fixedly connected on the compressed air out splice going splice (8) of blowing plant.
As preferably, be provided with controller, timer and the pulse air open-close on-off control valve that shakes in the described pneumatic exciting device, timer, the pulse air open-close on-off control valve that shakes all is connected with controller.The exciting deashing is to utilize pneumatic exciting device as its vibration source, rely on the repeatedly bump of compressed-air actuated pulsation and piston to produce exciting force, therefore be in operation and control compressed-air actuated switching and just can automatically realize control to pneumatic exciting device, thereby realization is to the deashing operation of boiler.
As preferably, the pneumatic supply pressure that described blowing plant provides is 0.4 to 0.7Mpa.Pneumatic supply pressure is excessive, and the vibration force of generation can make boiler heating surface generation deformation; Pneumatic supply pressure is too small, and the vibration force of generation does not have the effect of deashing.
As preferably, be provided with cooling device (3) between described exciting force transmission bar and the fixture, described cooling device is provided with coolant vent.Described exciting force transmits between bar and the fixture and is provided with cooling device, and described cooling device is provided with coolant vent.For preventing that exciting force from transmitting bar and adopting corresponding cooling provision, the safe operation of assurance device in the high temperature section distortion.
As preferably, pneumatic exciting device transmits bar one end with exciting force and adopts sliding sleeve to be connected, and described exciting force transmits the bar other end and supports and be connected in the locating hole of fixture.
As preferably, described controller is the PLC controller.The low cost of PLC controller, the scope of application is wide, plug and play, speed is fast, and is easy to use, and flexible structure is convenient to expansion.
The utility model can reach following effect:
Ash-removal effect to waste incineration fluidized-bed combustion boiler heating surface is good, and energy consumption is low, and cost of investment is low, and operating cost is low, and simple in structure, is easy to safeguard.
Description of drawings
Fig. 1 is a kind of apparatus structure schematic diagram of the present utility model.
Among the figure: boiler 1, fixture 2, cooling device 3, exciting force transmits bar 4, pneumatic exciting device 5, compressed air input adapter 6, air inlet pipe 7, compressed air out splice going splice 8, blowing plant 9.
The specific embodiment
Below by embodiment, and by reference to the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment: the exciting deashing device of a kind of waste incineration fluidized-bed combustion boiler heating surface of present embodiment as shown in Figure 1, comprising: blowing plant 9, pneumatic exciting device 5, exciting force transmit bar 4, fixture 2.Pneumatic exciting device and exciting force transmit bar one end and adopt sliding sleeve to be connected, and exciting force transmits the bar other end and supports and be connected in the locating hole of fixture, the fixture other end be fixedly connected on boiler 1 be heated face the wall and meditate on.Be provided with air rammer in the pneumatic exciting device, pneumatic exciting device is provided with compressed air input adapter 6, is fixedly connected with air inlet pipe 7 on the compressed air input adapter, and the air inlet pipe other end is fixedly connected on the compressed air out splice going splice 8 of blowing plant.Be provided with PLC controller, timer and the pulse air open-close on-off control valve that shakes in the pneumatic exciting device, timer, the pulse air open-close on-off control valve that shakes all is connected with the PLC controller.The pneumatic supply pressure that blowing plant provides is 0.4 to 0.7Mpa, and pneumatic supply pressure size will be set according to on-site actual situations.Exciting force transmits between bar and the fixture and is provided with cooling device 3, and cooling device is provided with coolant vent.The structure that exciting force transmits bar adopts monoblock type, and the structure that exciting force transmits bar also can adopt the sectional formula.
During use, when the deashing time then, timer is just passed to the PLC controller to the instruction of beginning deashing, the PLC controller immediately paired pulses gas open-close on-off control valve that shakes sends the instruction of startup, the pulse air open-close on-off control valve that shakes is opened immediately, drive air rammer in the pneumatic exciting device 5 from the compression gas-pressure of blowing plant 9, make air rammer produce exciting force, exciting force adopts the first little mode that then progressively increases to knock.This exciting force transmits the heating surface that bar 4 is delivered to boiler by exciting force, makes the heating surface of whole boiler 1 produce vibration, thereby realizes the deashing operation to boiler 1 heating surface.
When the deashing time finished, timer was just passed to the PLC controller to the instruction that finishes deashing, and the PLC controller immediately paired pulses gas open-close on-off control valve that shakes sends out-of-work instruction, and the pulse air open-close on-off control valve that shakes quits work immediately.Realization is to the deashing work of boiler one-period.
Timing is when needing again the time of deashing again when timer, and the beginning deashing action above repeating can be finished the deashing operation to boiler again.Automaticity is high, and ash-removal effect is good, and energy consumption is low, and cost of investment is low, and operating cost is low, and simple in structure, is easy to safeguard.
The above has described embodiment of the present utility model by reference to the accompanying drawings, but not limited by above-described embodiment when realizing, those of ordinary skills can make a variety of changes or revise within the scope of the appended claims.
Claims (7)
1. the exciting deashing device of a waste incineration fluidized-bed combustion boiler heating surface, it is characterized in that, comprise that vibrator, exciting force transmit bar (4), fixture (2), described vibrator transmits bar one end with exciting force and is connected, described exciting force transmits the bar other end and is connected with fixture one end, and the described fixture other end is fixedly connected on the boiler heating surface wall.
2. the exciting deashing device of a kind of waste incineration fluidized-bed combustion boiler heating surface according to claim 1, it is characterized in that, also comprise blowing plant (9), described vibrator is pneumatic exciting device (5), be provided with air rammer in the described pneumatic exciting device, described pneumatic exciting device is provided with compressed air input adapter (6), be fixedly connected with air inlet pipe (7) on the described compressed air input adapter, the described air inlet pipe other end is fixedly connected on the compressed air out splice going splice (8) of blowing plant.
3. the exciting deashing device of a kind of waste incineration fluidized-bed combustion boiler heating surface according to claim 2, it is characterized in that, be provided with controller, timer and the pulse air open-close on-off control valve that shakes in the described pneumatic exciting device, timer, the pulse air open-close on-off control valve that shakes all is connected with controller.
4. the exciting deashing device of a kind of waste incineration fluidized-bed combustion boiler heating surface according to claim 2 is characterized in that, the pneumatic supply pressure that described blowing plant provides is 0.4 to 0.7Mpa.
5. according to claim 1 and 2 or the exciting deashing device of 3 or 4 described a kind of waste incineration fluidized-bed combustion boiler heating surfaces, it is characterized in that, described exciting force transmits between bar and the fixture and is provided with cooling device (3), and described cooling device is provided with coolant vent.
6. the exciting deashing device of a kind of waste incineration fluidized-bed combustion boiler heating surface according to claim 5, it is characterized in that, pneumatic exciting device transmits bar one end with exciting force and adopts sliding sleeve to be connected, and described exciting force transmits the supporting of the bar other end and is connected in the locating hole of fixture.
7. the exciting deashing device of a kind of waste incineration fluidized-bed combustion boiler heating surface according to claim 3 is characterized in that, described controller is the PLC controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220535809 CN202902290U (en) | 2012-10-18 | 2012-10-18 | Exciting vibration deashing device of waste incineration fluidized bed boiler heating surface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220535809 CN202902290U (en) | 2012-10-18 | 2012-10-18 | Exciting vibration deashing device of waste incineration fluidized bed boiler heating surface |
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| Publication Number | Publication Date |
|---|---|
| CN202902290U true CN202902290U (en) | 2013-04-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220535809 Expired - Lifetime CN202902290U (en) | 2012-10-18 | 2012-10-18 | Exciting vibration deashing device of waste incineration fluidized bed boiler heating surface |
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| CN (1) | CN202902290U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111664575A (en) * | 2020-06-17 | 2020-09-15 | 谢天 | High-efficient burning heating stove as an organic whole is burnt with gasification directly to collection |
-
2012
- 2012-10-18 CN CN 201220535809 patent/CN202902290U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111664575A (en) * | 2020-06-17 | 2020-09-15 | 谢天 | High-efficient burning heating stove as an organic whole is burnt with gasification directly to collection |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130424 |