CN208591715U - Energy-saving combustion gas suitable for medium small boiler takes off white device - Google Patents
Energy-saving combustion gas suitable for medium small boiler takes off white device Download PDFInfo
- Publication number
- CN208591715U CN208591715U CN201821178483.4U CN201821178483U CN208591715U CN 208591715 U CN208591715 U CN 208591715U CN 201821178483 U CN201821178483 U CN 201821178483U CN 208591715 U CN208591715 U CN 208591715U
- Authority
- CN
- China
- Prior art keywords
- heat exchanger
- net
- hot fume
- flue gas
- energy
- 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.)
- Active
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/30—Technologies for a more efficient combustion or heat usage
Landscapes
- Chimneys And Flues (AREA)
Abstract
Energy-saving combustion gas suitable for medium small boiler takes off white device, it is related to a kind of flue gas and takes off white device.The utility model solve the problems, such as existing flue gas take off white apparatus structure is complicated, equipment investment is big, the perishable blocking of equipment, fluctuation of service and operation expense it is high.The outlet of SCR reactor is connected to by heat exchanger with the underflue entrance of boiler, the outlet of ultra-clean desulphurization plant is arranged in mixer and the two is interconnected, the lower end of heat exchanger is connected with net cold flue gas pipeline and net hot fume pipeline, the other end of net cold flue gas pipeline and the outlet of ultra-clean desulphurization plant, the other end of net hot fume pipeline is connected to the entrance of mixer, cold smoke air valve is arranged on net cold chimney road, hot fume blower and hot fume motor-driven valve are arranged on net thermal chimney road, the outlet of mixer is provided with temperature controller, ultralow temperature economizer is arranged on the flue between air-introduced machine and ultra-clean desulphurization plant.The utility model takes off white for the energy-saving combustion gas of medium small boiler.
Description
Technical field
The utility model relates to a kind of flue gases to take off white device, and in particular to a kind of energy conservation suitable for Industrial Boiler or kiln
Type flue gas after desulfurization takes off white device, belongs to flue gases purification field.
Background technique
After Wet Flue Gas Desulfurization Technique is widelyd popularize at home, saturated flue gas reheating wet after desulfurization experienced in engineering
GGH, reheating, flue gas do not take off the development course of white improvement to chimney anticorrosion flue gas.
Existing desulfurization fume takes off white technology, some existing GGH devices of enabling, with the flue gas before desulfurization after dedusting
Wet flue gas takes off white after desulfurization；Some upgrades to existing GGH technology, takes off white device using novel MGGH flue gas；GGH dress
It is larger to set that there are equipment investments, and there are smoke spillage, equipment the risks such as to corrode, and MGGH device structure is complex, material expensive,
Equipment investment is big, and there are the risks of blocking and corrosion.
Application No. is 201010609067.7, the applying date is that the utility model patent on December 28th, 2010 discloses one kind
Suitable for the hybrid flue gas reheat system of extremely frigid zones Wet flue gas purifier, the utility model is direct using high-temperature flue gas
Mixing reheating uses air as intermediate medium and mixes reheating with flue gas, with the raising of flue gas pollutant discharge standard,
High-temperature flue gas directly mixes reheating and is no longer satisfied emission request, and air intermediate medium mixing reheat machine composition is more multiple
Miscellaneous, operation and maintenance are complex, and failure rate is higher.
There are also application water be intermediate medium flue gas takes off white device, will be water after be used to heat flue gas, this device is deposited
The fluctuation of service the problem of, when boiler load changes, flue-gas temperature changes therewith, gasification degree and the loine pressure fluctuation of water
Larger, not only operation control is complicated, and there are some potential safety problemss.
To sum up, existing flue gas takes off that white apparatus structure is complicated, equipment investment is big, the perishable blocking of equipment, fluctuation of service
And operation expense is high.
Utility model content
The utility model be solve existing flue gas take off white apparatus structure is complicated, equipment investment is big, the perishable blocking of equipment,
Fluctuation of service and the high problem of operation expense, and then provide a kind of energy-saving combustion gas suitable for medium small boiler
Take off white device.
The utility model adopts the technical scheme that solve above-mentioned technical problem:
The energy-saving desulfurization fume suitable for medium small boiler of the utility model take off white device include temperature transmitter 3,
Heat exchanger 4, SCR reactor 5, ultralow temperature economizer 13, hot fume blower 6, cold smoke air valve 7, hot fume motor-driven valve 8, temperature control
Device 10 and mixer 11 processed, are provided with buffler 17, SCR reactor 5 and pot between the first economizer 2 and the second economizer 16
The top flue outlet of furnace 1 is connected to, and temperature transmitter 3 is arranged on the pipeline between SCR reactor 5 and boiler 1, SCR reaction
The outlet of device 5 is connected to by heat exchanger 4 with the underflue entrance of boiler 1, and ultra-clean desulphurization plant 12 is arranged in mixer 11
It exports and the two is interconnected, the lower end of heat exchanger 4 is connected with net cold flue gas pipeline and net hot fume pipeline, net cold flue gas pipeline
The other end and ultra-clean desulphurization plant 12 outlet, the other end of net hot fume pipeline is connected to the entrance of mixer 11,
Cold smoke air valve 7 is arranged on net cold chimney road, and hot fume blower 6 and hot fume motor-driven valve 8 are arranged on net thermal chimney road,
The outlet of mixer 11 is provided with temperature controller 10, and ultralow temperature economizer 13 is arranged in air-introduced machine 14 and ultra-clean desulphurization plant 12
Between flue on.
Further, heat exchanger 4 is pipe heat exchanger.
Further, the inwall processing of the heat exchanger tube of heat exchanger 4 has internal screw thread, edge on the outer wall of the heat exchanger tube of heat exchanger 4
Its length direction has been uniformly arranged fin.
Further, the tooth form section of the internal screw thread of heat exchanger 4 is triangle, rectangle or trapezoidal.
Further, hot fume blower 6 is frequency conversion centrifugal blower.
The energy-saving desulfurization fume suitable for medium small boiler of the utility model take off white device include temperature transmitter 3,
Heat exchanger 4, ultralow temperature economizer 13, hot fume blower 6, cold smoke air valve 7, hot fume motor-driven valve 8, temperature controller 10 and mixing
Device 11 is provided with buffler 17 between first economizer 2 and the second economizer 16, the top flue outlet of boiler 1 is by drawing
Flue is connected to the underflue entrance of boiler 1 out, and temperature transmitter 3 and the setting of heat exchanger 4 are on drawing flue, heat exchanger 4
Lower end be connected with net cold flue gas pipeline and net hot fume pipeline, the other end of net cold flue gas pipeline and ultra-clean desulphurization plant 12
The other end of outlet, net hot fume pipeline is connected to the entrance of mixer 11, and cold smoke air valve 7 is arranged in net cold flue gas pipeline
On, hot fume blower 6 and hot fume motor-driven valve 8 are arranged on net thermal chimney road, and the outlet of mixer 11 is provided with temperature control
Device 10 processed, ultralow temperature economizer 13 are arranged on the flue between deduster 15 and air-introduced machine 14.
Further, heat exchanger 4 is pipe heat exchanger.
Further, the inwall processing of the heat exchanger tube of heat exchanger 4 has internal screw thread, edge on the outer wall of the heat exchanger tube of heat exchanger 4
Its length direction has been uniformly arranged fin.
Further, the tooth form section of the internal screw thread of heat exchanger 4 is triangle, rectangle or trapezoidal.
Further, hot fume blower 6 is frequency conversion centrifugal blower.
The utility model has the advantages that compared with prior art
The energy-saving combustion gas suitable for medium small boiler of the utility model takes off white device using one of neat stress after desulfurization
Partial fume makes wet saturation neat stress become overheating dry flue gas, apparatus structure letter as heat medium, with mixed mode reheating
Single, component devices are less；Heat source is stablized, and is not influenced substantially by boiler load variation, and flue gas takes off white performance and stablizes；Flue gas heat exchange
Equipment is atmospheric pressure device, and without phase-change, control is simple, no risk factor for medium；Ultralow temperature economizer is set, and compensation flue gas takes off white institute
The heat source of consumption；Control system uses modularization logic control, accurate, simple；Complete equipment is small in size, light-weight, at low cost,
Installing engineering amount is few, and operation and maintenance are convenient；
The energy-saving combustion gas suitable for medium small boiler of the utility model takes off white device in the first economizer of boiler and
Buffler is set between two economizers prevents flue gas crossfire, and the low temperature neat stress extracted from desulfurizing tower outlet absorbs heat in heat exchanger
Enter after mixer mixes whole heating with unheated neat stress after heating and enter smoke stack emission, in air-introduced machine outlet and desulfurization
On flue between tower entrance, a set of ultralow temperature economizer economizer is set, reduces flue-gas temperature, reduces smoke evacuation Q2 loss, drop
Low desulfurizing tower exiting flue gas absolute humidity saves water, and reduces desulfurizing tower exit gas temperature, reduces heat exchanger endotherm area,
And then reduce heat exchanger investment.
Detailed description of the invention
Fig. 1 is that the energy-saving combustion gas suitable for medium small boiler of specific embodiment of the present invention one takes off white device
Schematic diagram；
Fig. 2 is that the energy-saving combustion gas suitable for medium small boiler of specific embodiment of the present invention six takes off white device
Schematic diagram；
Fig. 3 is the heat exchanger tube main sectional view of heat exchanger 4 in specific embodiment of the present invention three.
Specific embodiment
Specific embodiment 1: as shown in figures 1 and 3, the energy-saving cigarette suitable for medium small boiler of present embodiment
The white device of qi exhaustion includes temperature transmitter 3, heat exchanger 4, SCR reactor 5, ultralow temperature economizer 13, hot fume blower 6, cold smoke
Air valve 7, hot fume motor-driven valve 8, temperature controller 10 and mixer 11 are arranged between first economizer 2 and the second economizer 16
There is buffler 17, SCR reactor 5 is connected to the top flue outlet of boiler 1, and temperature transmitter 3 is arranged in SCR reactor 5
On pipeline between boiler 1, the outlet of SCR reactor 5 is connected to by heat exchanger 4 with the underflue entrance of boiler 1, is mixed
The outlet of ultra-clean desulphurization plant 12 is arranged in device 11 and the two is interconnected, and the lower end of heat exchanger 4 is connected with net cold flue gas pipeline
With net hot fume pipeline, the outlet of the other end of net cold flue gas pipeline and ultra-clean desulphurization plant 12, net hot fume pipeline
The other end is connected to the entrance of mixer 11, and cold smoke air valve 7 is arranged on net cold chimney road, hot fume blower 6 and hot fume
Motor-driven valve 8 is arranged on net thermal chimney road, and the outlet of mixer 11 is provided with temperature controller 10, and ultralow temperature economizer 13 is set
It sets on the flue between air-introduced machine 14 and ultra-clean desulphurization plant 12.
The material of the net cold flue gas pipeline of heat exchanger 4 is titanium alloy；The mating temperature that is provided with adjusts dress on SCR reactor 5
It sets, temperature transmitter is main control instrument；
Flue-gas temperature before desulfurizing tower entrance can be reduced to 60 DEG C hereinafter, reducing by 3% left side of Q2 loss by ultralow temperature economizer 13
The right side, and desulfurizing tower outlet smoke temperature is reduced to 40 DEG C or so.
Cold smoke air valve only has the function of opening and closing, in maintenance for cutting off flue gas cold flue gas channel；Hot fume motor-driven valve removes
Have the function of outside opening and closing that also there is regulatory function, the regulation and control for taking off white device is realized with the cooperation of hot fume blower.
The temperature controller 10 mainly includes temperature measurement, input unit, Controlling model, signal output apparatus, control
The temperature data of the measurement of model read temperature and input unit transmission simultaneously calculates automatically, issues feedback signal, signal output apparatus
Will feedback feedback model heat outputting flue gas fan frequency converter and with hot fume motor-driven valve, realize and the operation control of white device taken off to the whole series
System.
It is equipped with multiple groups lower resistance grid fairing inside the mixer 11, guarantees that flue gas is sufficiently mixed.
Specific embodiment 2: as shown in figure 3, present embodiment heat exchanger 4 is pipe heat exchanger.It is designed in this way, high temperature
Flue gas flows outside heat exchanger tube, and neat stress flows in heat exchanger tube, high-temperature flue gas and neat stress mixed-arrangement, and main-process stream is suitable
Stream, wherein net cold flue gas section is adverse current, net hot fume section is fair current.Other compositions and connection relationship and one phase of specific embodiment
Together.
Specific embodiment 3: as shown in figures 1 and 3, the inwall processing of the heat exchanger tube of present embodiment heat exchanger 4 has interior
Screw thread has been uniformly arranged fin on the outer wall of the heat exchanger tube of heat exchanger 4 along its length.It is designed in this way, increases significantly heat exchange
Area, reduces heat exchanger materials consumption, and external high temperature flue gas is contained flue dust, changed using the antiwear fin form increase of anti-clogging
Heat area, internal neat stress not dust-laden.Other compositions and connection relationship are identical with embodiment two.
Specific embodiment 4: as shown in figure 3, the tooth form section of the internal screw thread of present embodiment heat exchanger 4 be triangle,
Rectangle is trapezoidal.It is designed in this way, using thread forms triangle, rectangle or trapezoidal, riffled tube form is easy to process, saves material
Material increases intraductal heat exchange area.Other compositions and connection relationship are the same as the specific implementation mode 3.
Specific embodiment 5: as shown in Figure 1, present embodiment hot fume blower 6 is frequency conversion centrifugal blower.So set
Meter, flue gas blower 6 are mounted on the net hot fume pipeline after heat absorption, and low-temperature corrosion will not occur.Other compositions and connection relationship
It is identical as specific embodiment one, two, three or four.
Specific embodiment 6: the energy-saving combustion gas that present embodiment is suitable for medium small boiler is de- shown in Fig. 2 and Fig. 3
White device includes that temperature transmitter 3, heat exchanger 4, ultralow temperature economizer 13, hot fume blower 6, cold smoke air valve 7, hot fume are electronic
Valve 8, temperature controller 10 and mixer 11 are provided with buffler 17, boiler between first economizer 2 and the second economizer 16
1 top flue outlet is connected to by drawing flue with the underflue entrance of boiler 1, and temperature transmitter 3 and heat exchanger 4 are arranged
On drawing flue, the lower end of heat exchanger 4 is connected with net cold flue gas pipeline and net hot fume pipeline, net cold flue gas pipeline it is another
The outlet at end and ultra-clean desulphurization plant 12, the other end of net hot fume pipeline are connected to the entrance of mixer 11, cold flue gas
Valve 7 is arranged on net cold chimney road, and hot fume blower 6 and hot fume motor-driven valve 8 are arranged on net thermal chimney road, mixer
11 outlet is provided with temperature controller 10, and the flue between deduster 15 and air-introduced machine 14 is arranged in ultralow temperature economizer 13
On.
Smoke evacuation form of the present embodiment for cigarette tower one, the setting of mixer 11 conduct above ultra-clean desulphurization plant 12
A part of chimney 9.
For being not provided with the boiler of SCR reactor, can directly increase between the first economizer 2 and the second economizer 16
Heat exchanger 4 is arranged in buffler 17 on the flue of extraction, and installs temperature transmitter 3 for monitoring temperature, by transformation
First economizer 2 has flue-gas temperature regulatory function.
For the smoke evacuation form of cigarette tower one, one as chimney 9 above ultra-clean desulphurization plant 12 is arranged in mixer 11
Part.
Specific embodiment 7: as shown in figure 3, present embodiment heat exchanger 4 is pipe heat exchanger.It is designed in this way, high temperature
Flue gas flows outside heat exchanger tube, and neat stress flows in heat exchanger tube, high-temperature flue gas and neat stress mixed-arrangement, and main-process stream is suitable
Stream, wherein net cold flue gas section is adverse current, net hot fume section is fair current.Other compositions and connection relationship and six phase of specific embodiment
Together.
Specific embodiment 8: as shown in Figures 2 and 3, the inwall processing of the heat exchanger tube of present embodiment heat exchanger 4 has interior
Screw thread has been uniformly arranged fin on the outer wall of the heat exchanger tube of heat exchanger 4 along its length.It is designed in this way, increases significantly heat exchange
Area, reduces heat exchanger materials consumption, and external high temperature flue gas is contained flue dust, changed using the antiwear fin form increase of anti-clogging
Heat area, internal neat stress not dust-laden.Other compositions and connection relationship are identical as specific embodiment seven.
Specific embodiment 9: as shown in figure 3, the tooth form section of the internal screw thread of present embodiment heat exchanger 4 be triangle,
Rectangle is trapezoidal.It is designed in this way, using thread forms triangle, rectangle or trapezoidal, riffled tube form is easy to process, saves material
Material increases intraductal heat exchange area.Other compositions and connection relationship are identical as specific embodiment eight.
Specific embodiment 10: as shown in Fig. 2, present embodiment hot fume blower 6 is frequency conversion centrifugal blower.So set
Meter, flue gas blower 6 are mounted on the net hot fume pipeline after heat absorption, and low-temperature corrosion will not occur.Other compositions and connection relationship
It is identical as specific embodiment seven, eight, nine or ten.
Embodiment:
Boiler 1 burning generate flue gas enter tail portion vertical heating flue, denitration transformation in, on the vertical heating flue of tail portion install flue every
The medium temperature flue gas tentatively to cool down by the first economizer 2 is guided in SCR reactor 5 by plate 17, in the outlet of SCR reactor 5
Heat exchanger 4 is set, and medium temperature flue gas flows through in heat exchanger 4 to after the net cold flue gas heating that the outlet of ultra-clean desulphurization plant 12 is extracted
Enter 15 dedusting of deduster after other heat-transfer surfaces such as the second economizer 16, enters after flue gas is pressurizeed by air-introduced machine 14 after dedusting ultralow
Warm economizer 13 carries out depth energy saving, and flue gas carries out ultra-clean desulfurization and dedusting into ultra-clean desulphurization plant 12 after energy-saving cool-down, finally
In after mixer heating take off it is white after be discharged into chimney 9, be discharged into atmosphere.
The net cold flue gas of a part extracted from the outlet of ultra-clean desulphurization plant 12, which enters in heat exchanger 4, to be heated, after heating
Net hot fume is mixed into mixer 11 with unheated net cold flue gas by hot fume blower 6 and hot fume motor-driven valve 8, by cigarette
Temperature degree is emitted into chimney after integrally improving 15~30 DEG C and enters atmosphere, extracts the ratio of the total exhaust gas volumn of net cold smoke tolerance Zhan of heating
Example is 15%~20% or so, and hot fume blower 6 provides power for the heating stroke of net cold flue gas, and hot fume blower 6 is arranged in
Net thermal chimney road, is air-introduced machine form, can avoid corrosion risk.
The control of the present apparatus controls 6 frequency of hot fume blower by temperature controller 10 and hot fume motor-driven valve 8 is realized,
When boiler load fluctuation and seasonal variations, it is white can to realize that reliable and stable flue gas after desulfurization takes off, while improving boiler thermal effect
Rate.
Medium temperature flue-gas temperature in heat exchanger 4 reduces by 15~20 DEG C, and low-temperature flue gas temperature increases 160~200 DEG C；Heat exchanger
4 net cold flue gas heat exchanger tube uses titanium alloy, other flue gas heat exchange tubes and fin, box heat exchanger use common Q355GNH.
Flue-gas temperature before desulfurization can be reduced to 60 DEG C hereinafter, heat exchanger tube and fin are selected and surpassed by ultralow temperature economizer 13
Thin titanium alloy material, with a thickness of 0.8~1.0mm, casing lining titanium-alloy thin-plate.
The present embodiment, which realizes one, to be taken into account energy-efficient flue gas after desulfurization and takes off white process, and present apparatus control is flexibly simple, takes off
Bai Xingneng is not influenced by boiler load fluctuation and seasonal variations.
As shown in figure 3, the heat exchanger tube of heat exchanger 4 and ultralow temperature economizer 13 all uses internal whorl, the shape of external fin
Formula manages the interior heated medium that circulates, and exothermic medium washes away fin and pipeline outside pipe, and heat exchanger tube internal screw thread can be such as Fig. 3 institute
The triangle shown, it is also possible to rectangle or trapezoidal.
For being arranged the system of booster fan, the setting of ultralow temperature economizer 13 booster fan and ultra-clean desulphurization plant 12 it
Between.
Claims (10)
1. a kind of energy-saving combustion gas suitable for medium small boiler takes off white device, it includes temperature transmitter that the flue gas, which takes off white device,
(3), heat exchanger (4), SCR reactor (5), ultralow temperature economizer (13), hot fume blower (6), cold smoke air valve (7), hot fume
Motor-driven valve (8), temperature controller (10) and mixer (11), it is characterised in that: the first economizer (2) and the second economizer (16)
Between be provided with buffler (17), SCR reactor (5) is connected to the top flue outlet of boiler (1), temperature transmitter (3)
It is arranged on the pipeline between SCR reactor (5) and boiler (1), the outlet of SCR reactor (5) passes through heat exchanger (4) and boiler
(1) underflue entrance connection, mixer (11) setting is in the outlet of ultra-clean desulphurization plant (12) and the two is interconnected, and changes
The lower end of hot device (4) is connected with net cold flue gas pipeline and net hot fume pipeline, the other end of net cold flue gas pipeline and ultra-clean desulfurization
The other end of the outlet of equipment (12), net hot fume pipeline is connected to the entrance of mixer (11), cold smoke air valve (7) setting
On net cold chimney road, hot fume blower (6) and hot fume motor-driven valve (8) are arranged on net thermal chimney road, mixer
(11) outlet is provided with temperature controller (10), and ultralow temperature economizer (13) is arranged in air-introduced machine (14) and ultra-clean desulphurization plant
(12) on the flue between.
2. the energy-saving combustion gas according to claim 1 suitable for medium small boiler takes off white device, it is characterised in that: heat exchange
Device (4) is pipe heat exchanger.
3. the energy-saving combustion gas according to claim 2 suitable for medium small boiler takes off white device, it is characterised in that: heat exchange
The inwall processing of the heat exchanger tube of device (4) has internal screw thread, is uniformly arranged along its length on the outer wall of the heat exchanger tube of heat exchanger (4)
There is fin.
4. the energy-saving combustion gas according to claim 3 suitable for medium small boiler takes off white device, it is characterised in that: heat exchange
The tooth form section of the internal screw thread of device (4) is triangle, rectangle or trapezoidal.
5. the energy-saving combustion gas according to claim 1,2,3 or 4 suitable for medium small boiler takes off white device, feature exists
In: hot fume blower (6) is frequency conversion centrifugal blower.
6. a kind of energy-saving combustion gas suitable for medium small boiler takes off white device, it includes temperature transmitter that the flue gas, which takes off white device,
(3), heat exchanger (4), ultralow temperature economizer (13), hot fume blower (6), cold smoke air valve (7), hot fume motor-driven valve (8), temperature
Controller (10) and mixer (11), it is characterised in that: be provided with flue between the first economizer (2) and the second economizer (16)
Partition (17), the top flue outlet of boiler (1) are connected to by drawing flue with the underflue entrance of boiler (1), and temperature becomes
Device (3) and heat exchanger (4) is sent to be arranged on drawing flue, the lower end of heat exchanger (4) is connected with net cold flue gas pipeline and net hot cigarette
Air pipe, the other end of net cold flue gas pipeline and the outlet of ultra-clean desulphurization plant (12), the other end of net hot fume pipeline
It is connected to the entrance of mixer (11), cold smoke air valve (7) is arranged on net cold chimney road, hot fume blower (6) and hot fume
Motor-driven valve (8) is arranged on net thermal chimney road, and the outlet of mixer (11) is provided with temperature controller (10), and ultralow temperature saves coal
On the flue that device (13) is arranged between deduster (15) and air-introduced machine (14).
7. the energy-saving combustion gas according to claim 6 suitable for medium small boiler takes off white device, it is characterised in that: heat exchange
Device (4) is pipe heat exchanger.
8. the energy-saving combustion gas according to claim 7 suitable for medium small boiler takes off white device, it is characterised in that: heat exchange
The inwall processing of the heat exchanger tube of device (4) has internal screw thread, is uniformly arranged along its length on the outer wall of the heat exchanger tube of heat exchanger (4)
There is fin.
9. the energy-saving combustion gas according to claim 8 suitable for medium small boiler takes off white device, it is characterised in that: heat exchange
The tooth form section of the internal screw thread of device (4) is triangle, rectangle or trapezoidal.
10. the energy-saving combustion gas according to claim 6,7,8 or 9 suitable for medium small boiler takes off white device, feature
Be: hot fume blower (6) is frequency conversion centrifugal blower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821178483.4U CN208591715U (en) | 2018-07-24 | 2018-07-24 | Energy-saving combustion gas suitable for medium small boiler takes off white device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821178483.4U CN208591715U (en) | 2018-07-24 | 2018-07-24 | Energy-saving combustion gas suitable for medium small boiler takes off white device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208591715U true CN208591715U (en) | 2019-03-12 |
Family
ID=65603569
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821178483.4U Active CN208591715U (en) | 2018-07-24 | 2018-07-24 | Energy-saving combustion gas suitable for medium small boiler takes off white device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208591715U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108654373A (en) * | 2018-07-24 | 2018-10-16 | 宁波国电龙高科环境工程技术有限公司 | Energy-saving combustion gas suitable for medium small boiler takes off white device |
-
2018
- 2018-07-24 CN CN201821178483.4U patent/CN208591715U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108654373A (en) * | 2018-07-24 | 2018-10-16 | 宁波国电龙高科环境工程技术有限公司 | Energy-saving combustion gas suitable for medium small boiler takes off white device |
| CN108654373B (en) * | 2018-07-24 | 2024-08-06 | 宁波国电龙高科环境工程技术有限公司 | Energy-saving flue gas whitening device suitable for medium and small boilers |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206771402U (en) | A kind of energy-saving and water-saving system for wet desulfurization system | |
| CN104208995B (en) | A kind of thermal device improving boiler wet method desulfurization neat stress temperature and method | |
| CN204125430U (en) | A kind of mill coal drying system of IGCC Poly-generation | |
| CN101545630A (en) | Coal fired boiler capable of controlling flue gas oxygen content | |
| CN101995028A (en) | Energy and water saving desulphuration integrated system for power plant | |
| CN103241717B (en) | Drying and calcining process and device for coproduction of sulfuric acid and cement from gypsum | |
| CN208591715U (en) | Energy-saving combustion gas suitable for medium small boiler takes off white device | |
| CN110860378A (en) | Hot air blowing system for electric dust remover | |
| CN109882879A (en) | A kind of full working scope denitrating flue gas and air preheater anti-blocking system | |
| CN201892433U (en) | Cement kiln end exhaust heat utilization system | |
| CN205607235U (en) | Hot media water tubular heat exchanger control system | |
| CN108654373A (en) | Energy-saving combustion gas suitable for medium small boiler takes off white device | |
| CN208735652U (en) | The eliminating white smoke system that a kind of heat exchanger and air preheater combine | |
| CN201396751Y (en) | Coal-fired boiler with controlled oxygen content in smoke | |
| CN209744403U (en) | System for white smoke plume in cascaded elimination FGD technique | |
| CN108469032B (en) | White smoke plume eliminating system and method based on smoke recycling technology | |
| CN102283433B (en) | Saving-energy method and device for curing tobaccos by recycling humidity-discharging waste heat in curing barn | |
| CN208042180U (en) | A kind of white plume elimination system based on flue gas recirculating technique | |
| CN208059294U (en) | The heating device of hot air drying system | |
| CN207805904U (en) | VOCs processing units suitable for accurate coating apparatus | |
| CN207095288U (en) | A kind of efficient preheating furnace | |
| CN205481096U (en) | Low wind -warm syndrome governing system on bypass type that decreases | |
| CN205316370U (en) | Eliminate wet flue gas desulfurization technology chimney and emit controllable device of white cigarette and exhaust gas temperature | |
| CN202884971U (en) | Air heating system utilizing waste smoke heat | |
| CN208720257U (en) | A kind of smoke reutilizer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |