CN207599997U - A kind of contact heat exchange type desulfurization and denitrification integral natural gas condensing boiler - Google Patents
A kind of contact heat exchange type desulfurization and denitrification integral natural gas condensing boiler Download PDFInfo
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- CN207599997U CN207599997U CN201721141788.3U CN201721141788U CN207599997U CN 207599997 U CN207599997 U CN 207599997U CN 201721141788 U CN201721141788 U CN 201721141788U CN 207599997 U CN207599997 U CN 207599997U
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- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
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- 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
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
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Abstract
The utility model discloses a kind of contact heat exchange type desulfurization and denitrification integral natural gas condensing boiler, including：The exhanst gas outlet of burner is connected with the smoke inlet of boiler body；Flue gas is connected to the water outlet of water- to-water heat exchanger with the water inlet of boiler body, and flue gas is connected to the smoke inlet of water- to-water heat exchanger with the exhanst gas outlet of boiler body；The smoke inlet of contact condensation gas cooler is connected by the first pipeline with exhanst gas outlet of the flue gas to water- to-water heat exchanger, and ozone is provided on the first pipeline and adds in mouth, ozone adds in mouth and is connected with ozone adding apparatus；The humid air outlet of contact air heater helps fuel gas inlet to be connected with burner, and the condensed absorbent liquid entrance of contact air heater is connected with the condensed absorbent liquid outlet of contact condensation gas cooler.The desulphurization denitration natural gas condensing boiler of the utility model, simple in structure, environment-friendly high-efficiency, investment cost is relatively low, and discharge fume in vapor latent heat utilization rate it is higher.
Description
Technical field
The utility model belongs to natural gas boiler technical field, more particularly to a kind of contact heat exchange type desulfurization and denitrification integral
Natural gas condensing boiler.
Background technology
Coal combustion can generate more pollutant, and large effect can be caused to environment, with people's environment in recent years
The raising of the ecological awareness, the use of coal have become increasingly limited, and the use of the clean energy resourcies such as natural gas becomes increasingly wider
It is general.After combustion of natural gas, containing more vapor in flue gas, there is a big chunk energy storage in vapor latent heat, lead to
Phase-change heat-exchange is crossed, this portion of energy can be utilized.
As a kind of typical heat transmission equipment, condenser boiler energy conservation and environmental protection will be increasingly becoming the mainstream of natural gas boiler.
For current condenser boiler in order to ensure exhaust gas temperature, the energy that most boilers store vapor in flue gas does not carry out profit
With.
The patent of a kind of entitled " direct contact type gas fired-boiler flue gas total heat recovery system ", Authorization Notice No. are
CN202734021U, which is utilized absorption heat pump and the vapor latent heat in smoke evacuation is recycled, applied to heat supply network
Heating, but partial fume is only utilized in the system, and absorption heat pump involves great expense, it is complicated；A kind of a kind of entitled " contact
The patent of formula condensing boiler ", Authorization Notice No. CN203797951U, the system pass through using the mode of indirect heat exchange
Second heating apparatus absorbs the latent heat of vapor, there is provided the heat-exchange time that baffle extends flue gas, but is indirect heat exchange after all,
Heat exchange efficiency is not high enough, and heat transfer temperature difference is small in addition, and the heat exchange area needed is larger；A kind of entitled " natural gas fume afterheat and cold
Condensate is recycled with denitrification integral processing using device " patent application, application publication number CN103721538A, which leads to
Being in direct contact for flue gas and shower water is crossed, vapor latent heat utilization rate greatly improves, and add denitrification apparatus, environmental protection, but should
Device is also by way of indirect heat exchange, carries out heat utilization to the medium water for absorbing latent heat, heat transfer temperature difference is small, the thermal efficiency
It is low.
Utility model content
The purpose of this utility model is that a kind of contact heat exchange type desulfurization and denitrification integral natural gas condensing boiler is designed, with
Solve it is complicated existing for existing natural gas condensing boiler, it is costly and smoke evacuation in vapor latent heat utilization rate it is low
Problem.
In order to achieve the above object, the utility model is achieved using following technical scheme：
A kind of contact heat exchange type desulfurization and denitrification integral natural gas condensing boiler, including：Boiler body, the boiler body
On be provided with water inlet, hot water/steam (vapor) outlet, smoke inlet and exhanst gas outlet；Water inlet is connected with hot water/steam (vapor) outlet；It connects
Touch condenses gas cooler, and smoke outlet, smoke inlet, condensed absorbent liquid are provided on the contact condensation gas cooler
Outlet and water inlet, the smoke inlet of the contact condensation gas cooler are connected with boiler body；Contact air adds
Hot device is provided with cool air inlet, condensed absorbent liquid entrance, condensation-water drain and discharge on the contact air heater
Mouthful；The condensed absorbent liquid of the condensed absorbent liquid entrance of the contact air heater and contact condensation gas cooler
Outlet is connected；The condensation-water drain of contact air heater is connected with the water inlet of contact condensation gas cooler.
Further, burner is further included；The burner is provided with gas inlet, fuel gas inlet and flue gas is helped to go out
Mouthful, the exhanst gas outlet of the burner is connected with the smoke inlet of boiler body；Contact air heater is additionally provided with wet sky
Gas exports；The humid air outlet of contact air heater helps fuel gas inlet to be connected with burner.
Further, flue gas is further included to water- to-water heat exchanger；The flue gas to be provided on water- to-water heat exchanger water inlet, water outlet
Mouth, smoke inlet and exhanst gas outlet, the flue gas are connected to the water outlet of water- to-water heat exchanger with the water inlet of the boiler body；
The smoke inlet of contact condensation gas cooler is connected with the exhanst gas outlet of boiler body by flue gas to water- to-water heat exchanger；It is described
Flue gas is connected to the smoke inlet of water- to-water heat exchanger with the exhanst gas outlet of the boiler body；Flue gas goes out to the flue gas of water- to-water heat exchanger
The smoke inlet of mouth connection contact condensation gas cooler.
Further, recirculation blower is further included；Ozone is provided on first pipeline and adds in mouth, the ozone adds in
Mouth is connected with ozone adding apparatus；The ozone of first pipeline is additionally provided with exhanst gas outlet, the first pipeline before adding in mouth
Exhanst gas outlet be connected with the air inlet of the recirculation blower, the outlet of the humid air of the contact air heater passes through
Second pipeline helps fuel gas inlet to be connected with the burner, and smoke inlet, the second pipe are additionally provided on second pipeline
The smoke inlet on road is connected with the air outlet of the recirculation blower.
Further, flue gas air heat exchanger is further included；Wet air inlet, heat are provided on the flue gas air heat exchanger
Air outlet slit, smoke inlet and exhanst gas outlet, wet air inlet and the contact air heater of the flue gas air heat exchanger
Humid air outlet be connected, the hot air outlet of the flue gas air heat exchanger helps fuel gas inlet to be connected with the burner
Logical, the smoke inlet of the flue gas air heat exchanger is connected with the exhanst gas outlet of the boiler body, and the flue gas air changes
The exhanst gas outlet of hot device is connected with smoke inlet of the flue gas to water- to-water heat exchanger.
Further, neutralizer is additionally provided on the side wall of the contact air heater and adds in mouth, the neutralizer
Mouth is added in be located between the condensed absorbent liquid entrance and floss hole of the contact air heater.
Further, the condensation-water drain of the contact air heater be located at floss hole and neutralizer add in mouth it
Between.
Further, the contact condensation gas cooler overlays the surface of the contact air heater,
It is set between the condensed absorbent liquid outlet of contact condensation gas cooler and the condensed absorbent liquid entrance of contact air heater
Adjusting control valve is equipped with, between the water inlet of contact condensation gas cooler and the condensation-water drain of contact air heater
It is provided with circulating pump.
Further, the contact condensation gas cooler and the contact air heater are placed side by side, contact
It is provided between the condensed absorbent liquid outlet of formula condensation gas cooler and the condensed absorbent liquid entrance of contact air heater
Circulating pump is provided between the water inlet of contact condensation gas cooler and the condensation-water drain of contact air heater and follows
Ring pumps.
Further, the contact is condensed to be both provided in gas cooler and the contact air heater and is located at
The contact heat exchange element of its internal upper part；Contact heat exchange element is spray equipment or tower tray device.
Further, contact in the water inlet connection contact condensation gas cooler of contact condensation gas cooler
The entrance of heat exchange element；Contact is changed in the condensed absorbent liquid entrance connection contact air heater of contact air heater
The entrance of thermal element.
Further, the humid air outlet of the smoke outlet of contact condensation gas cooler and contact air heater is equal
Multi-cyclone demister is provided with, moisture is reduced and takes out of.
Compared with prior art, the utility model has the advantages that：
The contact heat exchange type desulfurization and denitrification integral natural gas condensing boiler of the utility model, the interior confession by preheating of boiler
After feedwater is heated by the high-temperature flue gas from burner, exportable hot water and steam；Burner can be carried by the natural gas that burns
For high-temperature flue gas；Flue gas, using the latent heat in vapor in boiler emission flue gas, can supply water to boiler and carry out to water- to-water heat exchanger
Preliminary preheating is that the first step of vapor latent heat in flue gas is utilized herein；Ozone adding apparatus adds in mouth to cigarette by ozone
Ozone is added in road pipeline, flue gas can be by NO in flue gas and SO after being mixed with ozone2Water-soluble acid anhydrides is oxidized to, acid anhydrides exists
It is absorbed in contact condensation gas cooler by aqueous solution, the thio-oxidizing discharge of nitrogen in flue gas can be reduced, air pollution is reduced, connect
Flue gas can heat condensed absorbent liquid in touch condensation gas cooler, further utilize the latent heat in flue gas；That is heated is cold
Solidifying absorbing liquid can be by the cold air preheating and humidifying of input in contact air heater；In addition, contact condensation flue gas cooling
Device and contact air heater, using contact heat exchange mode, heating surface area is smaller, and the coefficient of heat transfer is higher, can be into
One step improves the utilization rate of the vapor latent heat in flue gas, and compared to absorption heat pump, the equipment build of the utility model is smaller,
Structure is also relatively simple；The boiler vapor of the utility model can recycle, and can save water resource, boiler is available for water shortage
Area reduces NO and SO in discharge flue gas2Content, combined cycle field can be expanded to, energy-saving and emission-reduction and haze are administered,
There is very high application value.
Further, recirculation blower can extract partial fume, after the humidification with carrying out self-contact type air heater heats
Air mixing, the air after warming and humidifying can further be heated, the humid air heated again mixes laggard with natural gas
High-temperature flue gas can be generated by entering burner combustion, and high-temperature flue gas is delivered to boiler and can heat the water in boiler.
Further, boiler emission flue gas flue gas air heat exchanger can future self-contact type air heater humid air
Further heating can improve the utilization rate of vapor latent heat in flue gas.
Further, mouth is added in by neutralizer and adds in neutralizer, the acidic materials in condensed absorbent liquid can neutralized, it can
Prevent the exhaust emission environment of condensed absorbent liquid.
Further, after the heat exchange of condensed absorbent liquid and cold air, and after being neutralized agent processing, contact condensation can be delivered to
Gas cooler is recycled, and can save water resource.
Further, contact heat exchange element is spray equipment or tower tray device, can improve heat exchange efficiency.
Further, the humid air outlet of the smoke outlet of contact condensation gas cooler and contact air heater is set
The multi-cyclone demister put can reduce flue gas and take moisture out of.
Description of the drawings
Fig. 1 is a kind of embodiment of the contact heat exchange type desulfurization and denitrification integral natural gas condensing boiler of the utility model
Structure diagram；
Fig. 2 is another embodiment of the contact heat exchange type desulfurization and denitrification integral natural gas condensing boiler of the utility model
Structure diagram.
In Fig. 1 to Fig. 2：1 boiler body；2 burners；3 recirculation blowers；4 flue gases are to water- to-water heat exchanger；5 contacts are cold
Solidifying gas cooler；6 cool air inlets；7 neutralizers add in mouth；8 floss holes；9 circulating pumps；10 adjusting control valves；11 contacts
Heat exchange element；12 contact air heaters；13 ozone adding apparatus；14 flue gas air heat exchangers.
Specific embodiment
The utility model is described in further detail in the following with reference to the drawings and specific embodiments.
With reference to figure 1, a kind of implementation of the contact heat exchange type desulfurization and denitrification integral natural gas condensing boiler of the utility model
Example, including：Boiler body 1, burner 2, flue gas add to water- to-water heat exchanger 4, contact condensation gas cooler 5 and contact air
Hot device 12.
The smoke inlet of boiler body 1 is connected with the exhanst gas outlet of burner 2, and flue gas is to the water outlet of water- to-water heat exchanger 4
It is connected with the water inlet of boiler body 1, flue gas is connected to the smoke inlet of water- to-water heat exchanger 4 with the exhanst gas outlet of boiler body 1
It is logical；The smoke inlet of contact condensation gas cooler 5 is connected by the first pipeline with exhanst gas outlet of the flue gas to water- to-water heat exchanger 4
Logical, the ozone on the first pipeline adds in mouth and is connected with ozone adding apparatus 13, and the first pipeline is set before ozone adds in mouth
There is exhanst gas outlet, the exhanst gas outlet of the first pipeline is connected with the air inlet of recirculation blower 3；Contact air heater 12
Humid air outlet helps fuel gas inlet to be connected by the second pipeline and burner 2, and smoke inlet is provided on the second pipeline, the
The smoke inlet of two pipelines is connected with the air outlet of recirculation blower 3, and the condensed absorbent liquid of contact air heater 12 enters
Mouth is connected with the condensed absorbent liquid outlet of contact condensation gas cooler 5；On the side wall of contact air heater 12 also
It is provided with neutralizer and adds in mouth 7, neutralizer selects alkaline solution；Neutralizer adds in mouth 7 and is located at the contact air heater
Between the floss hole 8 of 12 upper port and the contact air heater 12；It is set on the side wall of contact air heater 12
Condensation-water drain is equipped with, condensation-water drain is located at the floss hole 8 of contact air heater 12 and neutralizer is added between mouth 7,
Condensation-water drain is connected with the water inlet of contact condensation gas cooler 5；Contact condensation gas cooler 5, which overlays, to be connect
The surface of touch air heater 12, the condensed absorbent liquid outlet of contact condensation gas cooler 5 add with contact air
Adjusting control valve 10 is provided between the condensed absorbent liquid entrance of hot device 12；Contact condensation gas cooler 5 water inlet with
Circulating pump 9 is provided between the condensation-water drain of contact air heater 12；Contact condenses gas cooler 5 and contact
Contact heat exchange element 11 is both provided in air heater 12, contact heat exchange element 11 is spray equipment or column plate dress
It puts；The humid air outlet of the smoke outlet and contact air heater 12 of contact condensation gas cooler 5 is both provided with multitube
Cyclone demister.
The course of work of above-described embodiment is：Cigarette of the high-temperature flue gas through burner 2 that combustion of natural gas generates in burner 2
Gas outlet export, smoke inlet of the high-temperature flue gas through boiler body 1 enter in boiler body 1, and flue gas will be supplied to water- to-water heat exchanger 4
It is sent into boiler body 1 after water preheating, the supply water heat temperature raising after the preheating in boiler body 1 is generated steam by high-temperature flue gas
Or hot water output；High-temperature flue gas is discharged after exchanging heat in boiler body 1 with supply water by the exhanst gas outlet of boiler body 1, and
Enter flue gas by pipeline to preheat boiler supply water in water- to-water heat exchanger 4, after flue gas exchanges heat with supply water, from cigarette
Gas is discharged to the exhanst gas outlet of water- to-water heat exchanger 4, and is passed through in the first Pipeline transport to contact condensation gas cooler；Ozone adds
Enter device 13 ozone is added in the first pipeline by ozone addition mouth, ozone is mixed with flue gas in the first pipeline；It follows again
Ring wind turbine 3 is extracted after part mixed by the flue gas after ozone treatment with carrying out the humidified hot air of self-contact type air heater 12,
With entering the burning generation high-temperature flue gas of burner 2 together with natural gas, it is cold that the gaseous mixture of remaining ozone and flue gas enters contact
Solidifying gas cooler 5, gaseous mixture are sent out in contact condenses gas cooler 5 with the recirculated water that contact heat exchange element 11 sprays
It is discharged after raw contact heat-exchanging, circulation vector water is heated；NO and SO in flue gas2By ozone oxidation into water-soluble acid anhydrides,
Acid anhydrides is absorbed in contact condensation gas cooler 5 by aqueous solution；The condensation generated in contact condensation gas cooler 5 is inhaled
It receives liquid and contact air heater 12 is entered by adjusting control valve 10, contact air heater will be passed through by contact heat-exchanging
12 cold air warming and humidifying, condensed absorbent liquid and the Na that the addition of mouth 7 is added in from neutralizer2CO3After alkaline solutions is waited to neutralize
It is divided into two parts, a part returns to contact condensation gas cooler 5 through circulating pump 9, and extra partial coagulation water passes through floss hole 8
Drain valve discharge boiler.
With reference to figure 2, another reality of the contact heat exchange type desulfurization and denitrification integral natural gas condensing boiler of the utility model
Apply example, with a upper embodiment difference lies in：Flue gas air heat exchanger 14 is further included, eliminates following again in one embodiment
Ring wind turbine 3.The wet air inlet of flue gas air heat exchanger 14 is connected with the humid air outlet of contact air heater 12, cigarette
The hot air outlet of gas air heat exchanger 14 helps fuel gas inlet to be connected with burner 2, the flue gas of flue gas air heat exchanger 14
Entrance is connected with the exhanst gas outlet of the boiler body 1, exhanst gas outlet and the flue gas of the flue gas air heat exchanger 14
It is connected to the smoke inlet of water- to-water heat exchanger 4.
The course of work of above-described embodiment is：
The flue gas that boiler body 1 discharges enters flue gas air heat exchanger 14, carrys out the humidification of self-contact type air heater 12
After hot-air is heated again when flue gas air heat exchanger 14 by flue gas, it is high to be mixed into the burning generation of burner 2 with natural gas
Warm flue gas, the flue gas after the heat exchange of flue gas air heat exchanger 14 enter flue gas to water- to-water heat exchanger 4, boiler feedwater are preheated.
Another embodiment of the contact heat exchange type desulfurization and denitrification integral natural gas condensing boiler of the utility model, contact
Formula condenses gas cooler 5 and contact air heater 12 is placed side by side, and contact condenses the condensed absorbent of gas cooler 5
Liquid exports and circulating pump is provided between the condensed absorbent liquid entrance of contact air heater 12, contact condensation flue gas cooling
Circulating pump is provided between the water inlet of device 5 and the condensation-water drain of contact air heater 12.
Claims (9)
1. a kind of contact heat exchange type desulfurization and denitrification integral natural gas condensing boiler, which is characterized in that including：
Boiler body (1) is provided with water inlet, hot water/steam (vapor) outlet, smoke inlet and flue gas on the boiler body (1) and goes out
Mouthful；
Contact condensation gas cooler (5), the contact condenses and is provided with smoke outlet on gas cooler (5), flue gas enters
Mouth, the outlet of condensed absorbent liquid and water inlet, the smoke inlet of the contact condensation gas cooler (5) and boiler body (1)
Exhanst gas outlet be connected；
Contact air heater (12) is provided with cool air inlet (6) on the contact air heater (12), condensation is inhaled
Receive liquid entrance, condensation-water drain and floss hole (8)；The condensed absorbent liquid entrance of the contact air heater (12) with it is described
The condensed absorbent liquid outlet of contact condensation gas cooler (5) is connected；The condensed water of contact air heater (12) goes out
Mouth is connected with the water inlet of contact condensation gas cooler (5).
2. contact heat exchange type desulfurization and denitrification integral natural gas condensing boiler according to claim 1, which is characterized in that also
Including burner (2)；The burner (2) is provided with gas inlet, helps fuel gas inlet and exhanst gas outlet, the burner
(2) exhanst gas outlet is connected with the smoke inlet of boiler body；Contact air heater (12) is additionally provided with humid air outlet；
The humid air outlet of contact air heater (12) helps fuel gas inlet to be connected with burner (2).
3. contact heat exchange type desulfurization and denitrification integral natural gas condensing boiler according to claim 2, which is characterized in that also
Water- to-water heat exchanger (4) is given including flue gas；The flue gas on water- to-water heat exchanger (4) to being provided with water inlet, water outlet, smoke inlet and cigarette
Gas exports, and the flue gas is connected to the water outlet of water- to-water heat exchanger (4) with the water inlet of the boiler body (1)；Contact is cold
The smoke inlet of solidifying gas cooler (5) is connected with the exhanst gas outlet of boiler body (1) by flue gas to water- to-water heat exchanger (4)；Institute
The smoke inlet that flue gas is stated to water- to-water heat exchanger (4) is connected with the exhanst gas outlet of the boiler body (1)；Flue gas is to water- to-water heat exchanger
(4) smoke inlet of exhanst gas outlet connection contact condensation gas cooler (5).
4. contact heat exchange type desulfurization and denitrification integral natural gas condensing boiler according to claim 3, which is characterized in that also
Including recirculation blower (3)；The smoke inlet of contact condensation gas cooler (5) is exchanged heat by the first pipeline and flue gas feedwater
The exhanst gas outlet of device (4) is connected；Ozone is provided on first pipeline and adds in mouth, the ozone adds in mouth and added in ozone
Device (13) is connected；The ozone of first pipeline is additionally provided with exhanst gas outlet before adding in mouth, and the flue gas of the first pipeline goes out
Mouth is connected with the air inlet of the recirculation blower (3), and the humid air outlet of the contact air heater (12) passes through
Second pipeline helps fuel gas inlet to be connected with the burner (2), is additionally provided with smoke inlet on second pipeline, and second
The smoke inlet of pipeline is connected with the air outlet of the recirculation blower (3).
5. contact heat exchange type desulfurization and denitrification integral natural gas condensing boiler according to claim 2, which is characterized in that also
Including flue gas air heat exchanger (14)；Wet air inlet, hot air outlet, cigarette are provided on the flue gas air heat exchanger (14)
Gas entrance and exhanst gas outlet, the wet air inlet of the flue gas air heat exchanger (14) are wet with contact air heater (12)
Air outlet slit is connected, and the hot air outlet of the flue gas air heat exchanger (14) helps fuel gas inlet with the burner (2)
It is connected, the smoke inlet of the flue gas air heat exchanger (14) is connected with the exhanst gas outlet of the boiler body (1), described
The exhanst gas outlet of flue gas air heat exchanger (14) is connected with the smoke inlet of contact condensation gas cooler (5).
6. contact heat exchange type desulfurization and denitrification integral natural gas condensing boiler according to claim 1, which is characterized in that institute
It states and neutralizer addition mouth (7) is additionally provided on the side wall of contact air heater (12), the neutralizer adds in mouth (7) and is located at
Between the condensed absorbent liquid entrance of the contact air heater (12) and floss hole (8).
7. contact heat exchange type desulfurization and denitrification integral natural gas condensing boiler according to claim 1, which is characterized in that institute
State the surface that contact condensation gas cooler (5) overlays the contact air heater (12), contact condensation cigarette
Tune is provided between the condensed absorbent liquid outlet of Gas Cooler (5) and the condensed absorbent liquid entrance of contact air heater (12)
Control valve (10) is saved, the condensed water of the water inlet and contact air heater (12) of contact condensation gas cooler (5) goes out
Circulating pump (9) is provided between mouthful.
8. contact heat exchange type desulfurization and denitrification integral natural gas condensing boiler according to claim 1, which is characterized in that institute
It states contact condensation gas cooler (5) and the contact air heater (12) is placed side by side, contact condensation flue gas is cold
But it is provided with cycle between the condensed absorbent liquid outlet of device (5) and the condensed absorbent liquid entrance of contact air heater (12)
Pump is provided with cycle between the water inlet of contact condensation gas cooler and the condensation-water drain of contact air heater
Pump.
9. contact heat exchange type desulfurization and denitrification integral natural gas condensing boiler according to claim 1, which is characterized in that institute
It states in contact condensation gas cooler (5) and the contact air heater (12) and is both provided with connecing positioned at its internal upper part
Touch heat exchange element (11)；Contact heat exchange element (11) is spray equipment or tower tray device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721141788.3U CN207599997U (en) | 2017-09-06 | 2017-09-06 | A kind of contact heat exchange type desulfurization and denitrification integral natural gas condensing boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721141788.3U CN207599997U (en) | 2017-09-06 | 2017-09-06 | A kind of contact heat exchange type desulfurization and denitrification integral natural gas condensing boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207599997U true CN207599997U (en) | 2018-07-10 |
Family
ID=62752513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721141788.3U Active CN207599997U (en) | 2017-09-06 | 2017-09-06 | A kind of contact heat exchange type desulfurization and denitrification integral natural gas condensing boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207599997U (en) |
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2017
- 2017-09-06 CN CN201721141788.3U patent/CN207599997U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |