CN206724214U - High temperature for boiler flue isolates envelope - Google Patents
High temperature for boiler flue isolates envelope Download PDFInfo
- Publication number
- CN206724214U CN206724214U CN201720485000.4U CN201720485000U CN206724214U CN 206724214 U CN206724214 U CN 206724214U CN 201720485000 U CN201720485000 U CN 201720485000U CN 206724214 U CN206724214 U CN 206724214U
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- CN
- China
- Prior art keywords
- boiler flue
- high temperature
- separator tube
- envelope
- boiler
- 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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Abstract
The high temperature isolation envelope that the utility model is used for boiler flue is related to flue gas slag-blowing equipmemt field.Its purpose is to provide it is a kind of with spout defencive function, it is simple in construction, easily to operate for boiler flue high temperature isolate envelope.The utility model is used for the high temperature isolation envelope of boiler flue, including the separator tube being connected on boiler flue, the separator tube is connected on the outer wall of boiler flue, isolated tube is connected with the inwall of boiler flue, the separator tube is coaxially disposed with the isolated tube, in duct sorbent injection mouth is offered on boiler flue, the in duct sorbent injection mouth is opened in the separator tube coverage.
Description
Technical field
Flue gas slag-blowing equipmemt field is the utility model is related to, is isolated more particularly to a kind of high temperature for boiler flue
Envelope.
Background technology
Increasingly severe with atmosphere pollution, energy-conservation, emission reduction are also gradually risen, and all trades and professions are all being carried out energetically
Rectification, the discharge of flue gas and dusty gas and the consumption of resource are into the emphasis rectified and improved energetically, wherein boiler tubing slag-blowing equipmemt
Into strong equipment therein.
In the process of running, afterbody generally produces dust stratification to coal-fired and oil burning boiler, increases flue gas resistance, exhaust gas temperature liter
Height, have a strong impact on the normal operation of boiler.Conventional steam blowing technique is unsuitable for removing boiler under many circumstances both at home and abroad
Afterbody dust stratification, dedusting effect is very undesirable, and main cause is that steam soot blowing can cause smoke moisture to increase, it is easier to causes dust stratification
And blocking, it can also aggravate corrosion sometimes, higher to calcium content or sulfur content is grey even more so.
Fuel gas pulse ash blower device is a kind of advanced in performance deashing device of new generation, fuel gas pulse ash blower device using acetylene or
The conventional gaseous fuel such as coal gas, natural gas, liquefied petroleum gas, burns in the combustion chamber of particular design, and with efferent duct
Nozzle launches shock wave, the dust stratification on heating surface is come off by the effect of shock wave, dedusting effect is notable.
Existing boiler flue slag-blowing equipmemt can all have a jet, and this jet is extend into boiler flue
, after equipment is stopped, flue gas and residue in boiler flue can be all entered in equipment with jet, so as to influence
The normal work of equipment, or even can also equipment scrapping is caused damage, existing boiler soot-blowing equipment majority does not all configure spout guarantor
Equipment is protected, its degree of protection of the protection equipment of some adapteds is also completely to reach its application target.
Utility model content
The technical problems to be solved in the utility model, which is to provide one kind, has spout defencive function, simple in construction, operation letter
Just the high temperature for boiler flue isolates envelope.
The utility model is used for the high temperature isolation envelope of boiler flue, including the separator tube being connected on boiler flue, described
Separator tube is connected on the outer wall of boiler flue, is connected with isolated tube on the inwall of boiler flue, the separator tube with it is described every
It is coaxially disposed from pipe, in duct sorbent injection mouth is offered on boiler flue, the in duct sorbent injection mouth is opened in the separator tube covering model
In enclosing.
The utility model is used for the high temperature isolation envelope of boiler flue, wherein gas generator is connected with the separator tube,
Regulating valve is connected between the gas generator and the separator tube.
The utility model is used for the high temperature isolation envelope of boiler flue, wherein the separator tube is connected with the gas generator
Place offers gas inlet, and the diameter of the gas inlet is more than the diameter of the in duct sorbent injection mouth.
The utility model is used for the high temperature isolation envelope of boiler flue, wherein the regulating valve is set to check valve.
The utility model is used for the high temperature isolation envelope of boiler flue, wherein being connected with Air Filter on the gas inlet.
The utility model is used for the high temperature isolation envelope of boiler flue, wherein the separator tube and the isolated tube are set to
2Cr25Ni20 stainless steels.
The utility model is used for the high temperature isolation envelope of boiler flue, wherein being connected with TEMP on the gas generator
Device.
The high temperature isolation envelope difference from prior art that the utility model is used for boiler flue is：The utility model is used
Isolate envelope, including the separator tube being connected on boiler flue in the high temperature of boiler flue, separator tube is connected to the outer of boiler flue
On wall, isolated tube is connected with the inwall of boiler flue, separator tube is coaxially disposed with isolated tube, and flue is offered on boiler flue
Jet, in duct sorbent injection mouth are opened in separator tube coverage；Boiler smoke in boiler flue is relative in duct sorbent injection mouth
The gas of interior inflow is low pressure fluid, and the separation gas pressure that in duct sorbent injection mouth flows into is higher than boiler smoke；The flow direction of gas
It can be controlled, be influenceed by air pressure, gas flows to low pressure direction from hyperbar, and therefore, separation gas is in boiler
One of closed brattice is formed in flue, the flowing side of boiler smoke is varied and controlled in the separation gas that in duct sorbent injection mouth flows into
To.
The high temperature isolation envelope of the present utility model for boiler flue is described further below in conjunction with the accompanying drawings.
Brief description of the drawings
Fig. 1 is the isolation schematic diagram for the high temperature isolation envelope that the utility model is used for boiler flue；
Fig. 2 is the cross section structure diagram of the separator tube for the high temperature isolation envelope that the utility model is used for boiler flue；
Fig. 3 is the installment state figure for the high temperature isolation envelope that the utility model is used for boiler flue.
Accompanying drawing marks：1st, gas generator；2nd, regulating valve；3rd, separator tube；31st, gas inlet；32nd, Air Filter；4th, pot
Stove flue；41st, in duct sorbent injection mouth；5th, separation gas；6th, boiler smoke；7th, isolated tube.
Embodiment
With reference to shown in Fig. 1-Fig. 3, the utility model is used for the high temperature isolation envelope of boiler flue, including is connected to boiler flue
Separator tube 3 on 4, separator tube 3 are connected on the outer wall of boiler flue 4, and isolated tube 7 is connected with the inwall of boiler flue 4, are delayed
Washing pipe 3 is coaxially disposed with isolated tube 7, and in duct sorbent injection mouth 41 is offered on boiler flue 4, and in duct sorbent injection mouth 41 is opened in separator tube
In 3 coverages.Boiler smoke 6 in boiler flue 4 is low pressure relative to the separation gas 5 flowed into duct sorbent injection mouth 41
Fluid, the pressure of separation gas 5 that in duct sorbent injection mouth 41 flows into are higher than boiler smoke 6；The flow direction of gas can be controlled,
Influenceed by air pressure, gas flows to low pressure direction from hyperbar, and therefore, the separation gas 5 that in duct sorbent injection mouth 41 flows into changes
With the flow direction of control boiler smoke 6.
Separator tube 3 and isolated tube 7 are independent parts relative to boiler flue 4, and in duct sorbent injection is opened up on boiler flue 4
Mouth 41, in duct sorbent injection mouth 41 is unique and the passage of the inside of boiler flue 4 connection, and the dust stratification in boiler enters slag-blowing equipmemt
Unique channel, the setting of separator tube 3 and isolated tube 7, prevent dust stratification in boiler from entering in slag-blowing equipmemt, there is protection soot blowing
The characteristics of equipment；Isolated tube 7 prevents boiler smoke 6 from flowing out in duct sorbent injection mouth 41, even if part boiler smoke 6 flows out in duct sorbent injection
Mouth 41, separator tube 3 can also play cushioning effect, and boiler smoke 6 buffers in separator tube 3, avoids boiler smoke 6 from being directly entered and blow
Grey equipment, increase the service life of slag-blowing equipmemt.
Gas generator 1 is connected with separator tube 3, gas generator 1 produces the separation gas 5 of high temperature, separation gas 5
Mobilization dynamic is much larger than boiler smoke 6, and separation gas 5 enters boiler flue 4, cigarette after separator tube 3, along in duct sorbent injection mouth 41
The aperture of road jet 41 is much smaller than the diameter of separator tube 3, further increases the mobilization dynamic of separation gas 5, improves isolation effect
Fruit.Regulating valve 2 is connected between gas generator 1 and separator tube 3, regulating valve 2 is set to check valve, and check valve prevents gas
Gas generator 1 is back to, plays a part of protective gas generator 1, prevents the dusty gas generator 1 of boiler smoke 6, is completely cut off
The influence of outer bound pair gas generator 1, so as to increase the life-span of gas generator 1.
Separator tube 3 offers gas inlet 31 with the junction of gas generator 1, and the diameter of gas inlet 31 is more than cigarette
The diameter of road jet 41, separation gas 5 enter separator tube 3 along gas inlet 31, are connected with gas inlet 31 dust-proof
Net 32, the impurity in boiler smoke 6 is filtered, prevent the impurity in boiler smoke 6 from flowing out separator tube 3 and polluting or block
The flow line of separation gas 5.
Separator tube 3 and isolated tube 7 are set to 2Cr25Ni20 stainless steels, at high temperature can continuous operation, there is good oxytolerant
Change, corrosion-resistant, acidproof salty, resistance to elevated temperatures, available for parts such as manufacture boiler nozzle, combustion chambers, suitable for boiler smoke 6
Processing procedure.
Temperature sensor and pressure sensor are connected with gas generator 1, detect the temperature and pressure of separation gas 5,
Soot blowing effect and ability are monitored, ensure making full use of for energy, reduces consuming excessively for energy, reaches energy-conserving and environment-protective
Effect.
The utility model is used for the high temperature isolation envelope of boiler flue, and mainly apply air-flow is influenceed to change stream by air pressure
The principle in dynamic direction, separation gas 5 form one of closed brattice in boiler flue 4, prevent the impurity in boiler smoke 6
Enter in slag-blowing equipmemt, profile is simple, easy for installation, can be installed in any position of spout pipeline.
Embodiment described above is only that preferred embodiment of the present utility model is described, not to this practicality
New scope is defined, and on the premise of the utility model design spirit is not departed from, those of ordinary skill in the art are to this
The various modifications and improvement that the technical scheme of utility model is made, the protection of the utility model claims book determination all should be fallen into
In the range of.
Claims (7)
1. a kind of high temperature for boiler flue isolates envelope, it is characterised in that：Including the separator tube being connected on boiler flue (4)
(3), the separator tube (3) is connected on the outer wall of boiler flue (4), and isolated tube is connected with the inwall of boiler flue (4)
(7), the separator tube (3) is coaxially disposed with the isolated tube (7), and in duct sorbent injection mouth (41), institute are offered on boiler flue (4)
In duct sorbent injection mouth (41) is stated to be opened in the separator tube (3) coverage.
2. the high temperature according to claim 1 for boiler flue isolates envelope, it is characterised in that：On the separator tube (3)
Gas generator (1) is connected with, is connected between the gas generator (1) and the separator tube (3) and is connected with regulating valve (2).
3. the high temperature according to claim 2 for boiler flue isolates envelope, it is characterised in that：The separator tube (3) with
Gas generator (1) junction offers gas inlet (31), and the diameter of the gas inlet (31) is more than described
The diameter of in duct sorbent injection mouth (41).
4. the high temperature according to claim 2 for boiler flue isolates envelope, it is characterised in that：The regulating valve (2) sets
For check valve.
5. the high temperature according to claim 3 for boiler flue isolates envelope, it is characterised in that：The gas inlet
(31) Air Filter (32) is connected with.
6. the high temperature according to claim 1 for boiler flue isolates envelope, it is characterised in that：The separator tube (3) and
The isolated tube (7) is set to 2Cr25Ni20 stainless steels.
7. the high temperature according to claim 2 for boiler flue isolates envelope, it is characterised in that：The gas generator
(1) temperature sensor is connected with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720485000.4U CN206724214U (en) | 2017-05-03 | 2017-05-03 | High temperature for boiler flue isolates envelope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720485000.4U CN206724214U (en) | 2017-05-03 | 2017-05-03 | High temperature for boiler flue isolates envelope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206724214U true CN206724214U (en) | 2017-12-08 |
Family
ID=60507729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720485000.4U Expired - Fee Related CN206724214U (en) | 2017-05-03 | 2017-05-03 | High temperature for boiler flue isolates envelope |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206724214U (en) |
-
2017
- 2017-05-03 CN CN201720485000.4U patent/CN206724214U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171208 Termination date: 20180503 |