CN206514323U - A kind of gas heating boiler Latent heat taking back and process system - Google Patents
A kind of gas heating boiler Latent heat taking back and process system Download PDFInfo
- Publication number
- CN206514323U CN206514323U CN201720176275.XU CN201720176275U CN206514323U CN 206514323 U CN206514323 U CN 206514323U CN 201720176275 U CN201720176275 U CN 201720176275U CN 206514323 U CN206514323 U CN 206514323U
- Authority
- CN
- China
- Prior art keywords
- flue gas
- gas
- flue
- outlet
- heating 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.)
- 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
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
Landscapes
- Treating Waste Gases (AREA)
- Chimneys And Flues (AREA)
Abstract
The utility model provides a kind of gas heating boiler Latent heat taking back and process system, and it includes：Gas heating boiler, with exhanst gas outlet, hot water outlet, air inlet and backwater entrance；Heating system, the first delivery port connected with the first water inlet being connected with hot water outlet and with the first water inlet；Air preheater, it has the first smoke inlet being connected with exhanst gas outlet, the first outlet flue connected with the first smoke inlet, air intake and the air outlet slit for connecting and being connected with air inlet with air intake；First water cooling heat exchanger, it has the second water inlet being connected with the first delivery port, the second delivery port being connected with the connection of the first water inlet and with backwater entrance, the second smoke inlet being connected with the first outlet flue and the second outlet flue connected with the second smoke inlet；Equipment for denitrifying flue gas, it is connected with the second outlet flue.The utility model can be reclaimed to the Latent heat that boiler is produced, and carry out separating treatment to the nitrogen oxides in flue gas.
Description
Technical field
The utility model is related to boiler smoke processing technology field, and especially a kind of gas heating boiler Latent heat is reclaimed
With processing system.
Background technology
At present, gas fired-boiler is widely used in urban heating and industry, has the advantages that safety coefficient height, heating efficiency are high.
The outlet high fume temperature of urban heating gas heating boiler, water vapour content is big, and available waste heat is huge, more than recovered flue gas
Heat (mainly latent heat) has huge meaning to improving boiler combustion efficiency, saving energy consumption.
In addition, the exhaust emissions of gas heating boiler can cause nitrogen oxides (NO in airX) concentration increase, cause photochemical
The environmental problems such as pollution and acid rain are learned, therefore it is very necessary that gas cleaning processing is carried out to boiler exhaust gas.
Utility model content
The purpose of this utility model is to provide a kind of gas heating boiler Latent heat taking back and process system, with to boiler
The latent heat of the flue gas of generation is reclaimed, and carries out separating treatment to the nitrogen oxides in flue gas.
To reach above-mentioned purpose, the utility model proposes a kind of gas heating boiler Latent heat taking back and process system,
It includes：Gas heating boiler, it has the exhanst gas outlet discharged for flue gas, the hot water outlet of supplying hot water discharge, for natural gas
The air inlet and backwater entrance entered with air；Heating system, its have the first water inlet for being connected with hot water outlet and
The first delivery port flowed out for backwater is connected with the first water inlet；Air preheater, it has the be connected with exhanst gas outlet
One smoke inlet, the first outlet flue connected with the first smoke inlet, the air intake entered for air and connect with air intake
And the air outlet slit being connected with air inlet；First water cooling heat exchanger, its have be connected with the first delivery port the second water inlet, and
The second delivery port that first water inlet is connected and is connected with backwater entrance, the second smoke inlet for being connected with the first outlet flue and
Connected with the second smoke inlet for the second outlet flue of the flue gas discharge after being exchanged heat with backwater；Equipment for denitrifying flue gas, it is with second
Outlet flue is connected.
Gas heating boiler Latent heat taking back and process system as described above, wherein, gas heating boiler also has
Moisturizing entrance, gas heating boiler Latent heat taking back and process system also includes：Second water cooling heat exchanger, it is connected to first
Between water cooling heat exchanger and equipment for denitrifying flue gas, the second water cooling heat exchanger has the 3rd water inlet entered for supplement water, with the
The 3rd delivery port that three water inlets are connected and are connected with moisturizing entrance, the 3rd smoke inlet, the Yi Jiyu that are connected with the second outlet flue
The connection of 3rd smoke inlet fills for the 3rd outlet flue with the flue gas discharge after supplement water heat exchange, the 3rd outlet flue with denitrating flue gas
Put connection.
Gas heating boiler Latent heat taking back and process system as described above, wherein, the first water cooling heat exchanger and the
Two water cooling heat exchangers are located in same heat exchanger shell.
Gas heating boiler Latent heat taking back and process system as described above, wherein, gas heating boiler flue gas is dived
Recuperation of heat also includes with processing system：Flue gas drying device, it is connected between the second water cooling heat exchanger and equipment for denitrifying flue gas,
And including the flue gas demister being connected with the 3rd outlet flue, the adsorption dehumifier being connected with equipment for denitrifying flue gas and be connected to
Booster fan between flue gas demister and adsorption dehumifier.
Gas heating boiler Latent heat taking back and process system as described above, wherein, gas heating boiler flue gas is dived
Recuperation of heat also includes with processing system：Aftercooler, it is connected between flue gas drying device and equipment for denitrifying flue gas, rear cooling
The 4th water outlet that utensil has the 4th water inlet entered for supplement water, connects and be connected with the 3rd water inlet with the 4th water inlet
Mouthful, the 4th smoke inlet that be connected with adsorption dehumifier and connected with the 4th smoke inlet for supplementing the flue gas after water exchanges heat
4th outlet flue of discharge, the 4th outlet flue is connected with equipment for denitrifying flue gas.
Gas heating boiler Latent heat taking back and process system as described above, wherein, gas heating boiler flue gas is dived
Recuperation of heat also includes the first flue gas analyzer and the second flue gas analyzer with processing system, and equipment for denitrifying flue gas has to be entered for flue gas
The 5th smoke inlet and the 5th outlet flue for the flue gas discharge after denitration entered, the first flue gas analyzer enters cigarette located at the 5th
At mouthful, the second flue gas analyzer is at the 5th outlet flue.
Gas heating boiler Latent heat taking back and process system as described above, wherein, equipment for denitrifying flue gas is NOXInhale
Adnexa, and NOXAbsorber is moving-burden bed reactor.
Gas heating boiler Latent heat taking back and process system as described above, wherein, NOXFilling 13X in absorber
Type molecular sieve, and NOXAbsorber is connected with regenerating molecular sieve device.
Gas heating boiler Latent heat taking back and process system as described above, wherein, adsorption dehumifier is moving bed
Reactor.
Gas heating boiler Latent heat taking back and process system as described above, wherein, filling 4A in adsorption dehumifier
Type molecular sieve or 5A type molecular sieves, and adsorption dehumifier is connected with molecular sieve dehydration regenerating unit.
The characteristics of gas heating boiler Latent heat taking back and process system of the present utility model and advantage are：
1st, gas heating boiler Latent heat taking back and process system of the present utility model, is preheated empty using air preheater
Gas, using the first water cooling heat exchanger recovered flue gas latent heat, is realized at the separation of nitrogen oxides in effluent using equipment for denitrifying flue gas
Reason, can effectively improve boiler combustion efficiency, reduce boiler oil consumption, reduce pollutant emission；
2nd, gas heating boiler Latent heat taking back and process system of the present utility model, using two-stage water cooling heat exchanger pair
Latent heat is reclaimed, and can further improve Latent heat utilization rate, reduces energy consumption, improves energy utilization efficiency；
3rd, gas heating boiler Latent heat taking back and process system of the present utility model, using physical adsorption process, is adopted
The nitrogen oxides in flue gas is adsorbed with moving-burden bed reactor, to the adsorption rate of nitrogen oxides in effluent up to more than 90%, absorption effect
Rate is high, and cost of investment is low；
4th, gas heating boiler Latent heat taking back and process system of the present utility model, compact conformation, floor space is small,
Using safe efficient, automaticity height, it is highly suitable for the city gas heating that large number of, capacity is small, load variations are big
The fume treatment of boiler.
Brief description of the drawings
The following drawings is only intended to, in doing the utility model schematic illustration and explanation, not limit model of the present utility model
Enclose.Wherein：
Fig. 1 is the schematic diagram of gas heating boiler Latent heat taking back and process system of the present utility model；
Fig. 2 is the workflow schematic diagram of gas heating boiler Latent heat taking back and process system of the present utility model.
Main element label declaration：
1 gas heating boiler
The hot water outlet of 101 exhanst gas outlet 102
The backwater entrance of 103 air inlet 104
105 moisturizing entrances
The air preheater of 2 heating system 3
The water cooling heat exchanger of 4 air blower 5 first
The flue gas demister of 6 second water cooling heat exchanger 7
The adsorption dehumifier of 8 booster fan 9
The flue gas analyzer of 10 aftercooler 11 first
The NO of 12 second flue gas analyzer 13XAbsorber
Q1 natural gas Q2 air
W boiler replenishing waters
Embodiment
In order to be more clearly understood to technical characteristic of the present utility model, purpose and effect, now control is illustrated
Embodiment of the present utility model.
As shown in figure 1, the utility model proposes a kind of gas heating boiler Latent heat taking back and process system, for pair
The flue gas that gas heating boiler is produced carries out Latent heat and reclaimed and gas cleaning processing, alternatively referred to as fires Gas Exploitation heating boiler
Latent heat taking back and process system, the system includes gas heating boiler 1, heating system 2, air preheater 3, the first water cooling
Heat exchanger 5 and equipment for denitrifying flue gas, gas heating boiler 1 have the exhanst gas outlet 101 discharged for flue gas, the heat of supplying hot water discharge
Water out 102, the air inlet 103 and backwater entrance 104 entered for natural gas and air, the height discharged from exhanst gas outlet 101
The temperature of warm flue gas is generally 150 DEG C -200 DEG C, and the flow of high-temperature flue gas is generally 500Nm3/h-1000Nm3/h；Heating system 2
For being heated to heating user, it has the first water inlet for be connected with hot water outlet 102 and flowed out for heating backwater the
One delivery port, heating system 2 can be any type of urban heating system；
Air preheater 3 is used for the high-temperature flue gas produced using gas heating boiler 1 to air preheat, and it has and flue gas
The first smoke inlet that the connection of outlet 101 enters for flue gas, the first outlet flue connected with the first smoke inlet, for air entrance
Air intake and the air outlet slit for connecting and being connected with air inlet with air intake, air are pre- from air intake air inlet
By smoke pre-heating in hot device 3, preheated air is mixed after air outlet slit discharge in air inlet 103 with natural gas Q1, and with
Natural gas Q1, which together enters in gas heating boiler 1, to burn；
First water cooling heat exchanger 5 is used to make high-temperature flue gas exchange heat with backwater, alternatively referred to as high-temperature water cooling heat exchanger, and it has
The second water inlet so that backwater is flowed into is connected with the first delivery port, connects and is connected with backwater entrance 104 with the second water inlet
The second delivery port, the second smoke inlet for being connected with the first outlet flue and connect to exchange heat with backwater with the second smoke inlet
Second outlet flue of flue gas discharge afterwards, the heating backwater of heating system 2 flows into the first water cooling heat exchanger 5 from the second water inlet,
The high-temperature flue gas heating of the first water cooling heat exchanger 5 is flowed through, heated backwater flows out from the second delivery port, and enters via backwater
Mouth 104 is flowed into gas heating boilers 1, and the temperature after high-temperature flue gas exchanges heat with backwater is cooled to about 90 DEG C, by the temperature of backwater
80 DEG C are heated to about from 60 DEG C, as needed, a part of heating backwater the first water cooling heat exchanger 5 can be passed through and be heated, will
Another part heating backwater is directly passed through in boiler from backwater entrance 104；
Equipment for denitrifying flue gas is connected with the second outlet flue, for carrying out denitration process to flue gas, and row after gas cleaning is arrived
In air.
Gas heating boiler Latent heat taking back and process system of the present utility model, using air preheater 3 to air
Preheating, using the recovered flue gas latent heat of the first water cooling heat exchanger 5, passes through the hot water outlet 102 being sequentially communicated, the first water inlet, the
One delivery port, the second water inlet, the second delivery port and backwater entrance 104, realize water circulation, pass through the flue gas being sequentially communicated
The 101, first smoke inlet, the first outlet flue, the second smoke inlet and the second outlet flue are exported, flue gas and air, Yi Jiyan is realized
The heat exchange of gas and backwater, the separating treatment of flue gas nitrogen oxide is realized using equipment for denitrifying flue gas, can effectively improve boiler combustion
Efficiency, reduces boiler oil consumption, reduces pollutant emission.
Further, gas heating boiler Latent heat taking back and process system also includes air blower 4, air blower
4 are connected with the air intake of air preheater 3, for conveying air Q2 to air preheater 3.
Again as shown in figure 1, in a preferred embodiment, gas heating boiler 1 also has moisturizing entrance 105, combustion gas
Heating boiler Latent heat taking back and process system also includes being connected between the first water cooling heat exchanger 5 and equipment for denitrifying flue gas
Second water cooling heat exchanger 6, the second water cooling heat exchanger 6 is used to make flue gas and supplement water heat exchange, alternatively referred to as low temperature water cooling heat exchanger,
Its 3rd water outlet that there is the 3rd water inlet entered for supplement water, connect and be connected with moisturizing entrance 105 with the 3rd water inlet
Mouthful, the 3rd smoke inlet that is connected with the second outlet flue and be connected with the connection of the 3rd smoke inlet and with equipment for denitrifying flue gas the
Three outlet flues, it is, the 3rd water inlet, the 3rd delivery port and moisturizing entrance 105 are sequentially communicated, the second outlet flue, the 3rd
Smoke inlet and the 3rd outlet flue are sequentially communicated, and realize the heat exchange of boiler replenishing water and flue gas and supplement water, and flue gas is from first
Water cooling heat exchanger 5 is passed through after flowing out enters the second water cooling heat exchanger 6 by the 3rd smoke inlet, with supplement in the second water cooling heat exchanger 6
Water exchanges heat, heat make-up water, is discharged afterwards via the 3rd outlet flue, and enters equipment for denitrifying flue gas, flue gas and supplement water heat exchange
Temperature afterwards is down to about 40 DEG C, and the temperature of supplement water is heated to about into 30 DEG C from 25 DEG C.
In the present embodiment, the two-stage heat exchanger constituted using the first water cooling heat exchanger 5 and the second water cooling heat exchanger 6 is to flue gas
Recovery of latent heat is carried out, fume afterheat utilization rate can be greatly improved.
Further, the first water cooling heat exchanger 5 and the second water cooling heat exchanger 6 are located in same heat exchanger shell, to reduce
Thermal loss.
Further, the first water cooling heat exchanger 5 and the second water cooling heat exchanger 6 are finned heat exchanger, but the utility model
It is not limited thereto, it would however also be possible to employ other heat exchangers.
As shown in figure 1, in a specific embodiment, gas heating boiler Latent heat taking back and process system also includes
The flue gas drying device between the second water cooling heat exchanger 6 and equipment for denitrifying flue gas is connected to, flue gas drying device is used for flue gas
Processing is dried, its flue gas demister 7 for including being connected with the 3rd outlet flue, being adsorbed by drying of being connected with equipment for denitrifying flue gas
Device 9 and the booster fan 8 being connected between flue gas demister 7 and adsorption dehumifier 9.Because flue gas is returned through two-stage heat exchanger
Cool after receipts waste heat more, it may appear that a large amount of gaseous state water condensations, vaporific flue gas water containing liquid is about 80g/m3, therefore need to use
Flue gas demister 7 is to flue gas demisting, and the flue gas water content after demisting is brought down below 150mg/m3, can under flue gas demister 7
Water container is set, and the water that demisting is produced flows downwardly into water container, and flue gas demister 7 is, for example, mechanical demister, but also may be used
Think other demisters, the flue gas after demisting delivers to dehydration in adsorption dehumifier 9 by booster fan 8.
Further, adsorption dehumifier 9 is moving-burden bed reactor, for removing the minor amount of water in flue gas, by fume-dehydrating extremely
Trace, now the temperature of flue gas is about 50 DEG C.
Further, filling zeolite molecular sieve in moving-burden bed reactor, such as 4A types molecular sieve or 5A type molecular sieves, and move
Dynamic bed reactor is connected with molecular sieve dehydration regenerating unit (or being molecular sieve dehydration reactivating device), and the molecular sieve through resurrection is again
Add in moving-burden bed reactor, realize successive reaction.Molecular sieve dehydration regenerating unit therein can be taken off using existing molecular sieve
Water reuse (treatment device.
Further, gas heating boiler Latent heat taking back and process system also includes being connected to flue gas drying device and cigarette
Aftercooler 10 between gas denitrification apparatus, aftercooler 10 is used to cool down flue gas, and with for supplement water, (boiler is mended
Water W) enter the 4th water inlet, be connected with the 3rd water inlet the 4th delivery port, be connected with adsorption dehumifier 9 the 4th enter cigarette
Mouthful and connect with the 4th smoke inlet for supplement water heat exchange after flue gas discharge the 4th outlet flue, the 4th outlet flue and
Equipment for denitrifying flue gas is connected, wherein, the 4th water inlet, the 4th delivery port, the 3rd water inlet, the 3rd delivery port and moisturizing enter
Mouth 105 is sequentially communicated, and supplement water flows into aftercooler 10 from the 4th water inlet, the flue gas for flowing through aftercooler 10 is carried out cold
But, flue gas is cooled to about 40 DEG C, flowed out afterwards from the 4th delivery port, and the second water cooling heat exchanger is flowed into via the 3rd water inlet
6, the flue gas for flowing through the second water cooling heat exchanger 6 is cooled down, then flowed out from the 3rd delivery port, and via moisturizing entrance 105
Flow into gas heating boiler 1, realize boiler replenishing water.
In another specific embodiment, equipment for denitrifying flue gas is NOXAbsorber 13, and NOXAbsorber 13 is that moving bed is anti-
Device is answered, for adsorbing the nitrogen oxides in flue gas, by absorption, the content of the nitrogen oxides in flue gas is from 200mg/Nm3Removing
To 30mg/Nm3, the extrusion rate of nitrogen oxides reaches fume emission requirement up to 85%.
Further, in moving-burden bed reactor filling zeolite molecular sieve, such as 13X types molecular sieve, and moving-burden bed reactor with
Regenerating molecular sieve device (or being molecular sieve reactivating device) connection, the molecular sieve through resurrection is added in moving-burden bed reactor,
Realize successive reaction.Regenerating molecular sieve device therein can use existing regenerating molecular sieve device.
Further, the Latent heat taking back and process system of gas heating boiler 1 also includes the first flue gas analyzer 11 and the
Two flue gas analyzers 12, equipment for denitrifying flue gas has the 5th smoke inlet entered for flue gas and discharged for the flue gas after denitration
The 5th outlet flue, the first flue gas analyzer 11 is at the 5th smoke inlet, and the second flue gas analyzer 12 is located at the 5th outlet flue
Place.By setting the first flue gas analyzer 11 and the second flue gas analyzer 12, flue gas contains quantitative change before and after can analyzing denitration process
Change, detect flue-gas temperature, the component of monitoring discharge flue gas, but the utility model is not limited thereto, and scene can also use it
Its flue gas inspection means, as long as reaching the purpose of the change of monitoring flue gas and discharge.
In the utility model, gas heating boiler 1, heating system 2, air preheater 3, air blower 4, the first water cooling
Heat exchanger 5, the second water cooling heat exchanger 6, flue gas demister 7, booster fan 8, adsorption dehumifier 9, aftercooler 10, the first flue gas
Analyzer 11, the second flue gas analyzer 12 and NOXThe concrete structure of absorber 13 is prior art, therefore is not repeated.
As shown in Fig. 2 the workflow of gas heating boiler Latent heat taking back and process system of the present utility model is：
A, the air for delivering to through air blower air preheater are heated by the tail gas (flue gas) of boiler, heated air
Boiler combustion is mixed into natural gas, and produces the high-temperature flue gas of nitrogen-containing oxide；
B, the high-temperature flue gas of nitrogen-containing oxide are reclaimed after latent heat via condensed in two stages heat exchanger, deliver to flue gas demister；
C, the flue gas through demisting are passed through adsorption dehumifier by booster fan and further removed water；
After d, the flue gas further removed water are via aftercooler recovery waste heat, NO is passed throughXAbsorber carries out nitrogen oxides suction
Attached emptying.
Gas heating boiler Latent heat taking back and process system of the present utility model, with advantages below：
(1) it is a set of smoke processing system for the heating boiler exploitation of combustion natural gas, it is adaptable to the confession under various operating modes
Heating boiler, being administered for urban environment has great promotion meaning；
(2) using the method for physical absorption, more than 90%, processing effect are reached to nitrogen oxides in effluent absorption average efficiency
Really good, cost of investment is low；
(3) afterheat utilizing system has been coupled, energy consumption has been reduced, improves energy utilization efficiency；
(4) system architecture is compact, and occupation of land is small, and energy utilization is improved on the premise of high effective flue gas nitrogen oxides treatment is ensured
Efficiency, it is economic and environment-friendly；
(5) it is safe, extra ammoniacal liquor system is not used, eliminates ammoniacal liquor hidden peril of explosion；
(6) automaticity is high, can realize continuous operation.
The schematical embodiment of the utility model is the foregoing is only, model of the present utility model is not limited to
Enclose.Any those skilled in the art, the equivalent variations made on the premise of design of the present utility model and principle is not departed from
With modification, the scope of the utility model protection all should be belonged to.And it should be noted that each part of the present utility model simultaneously
It is not limited only to above-mentioned overall applicability, each technical characteristic described in specification of the present utility model can be selected according to actual needs
One individually uses or selects multinomial combine to use, therefore, and the utility model is covered in the nature of things to be invented with this case
The relevant other combinations of point and concrete application.
Claims (10)
1. a kind of gas heating boiler Latent heat taking back and process system, it is characterised in that the gas heating boiler flue gas
Recovery of latent heat includes with processing system：
Gas heating boiler, it has the exhanst gas outlet discharged for flue gas, the hot water outlet of supplying hot water discharge, for natural gas and sky
Air inlet and backwater entrance that gas enters；
Heating system, its have the first water inlet for being connected with the hot water outlet and connected with first water inlet with
The first delivery port flowed out for backwater；
Air preheater, it has the first smoke inlet being connected with the exhanst gas outlet, connected with first smoke inlet the
One outlet flue, the air intake entered for air and the air for connecting and being connected with the air inlet with the air intake
Outlet；
First water cooling heat exchanger, it has the second water inlet being connected with first delivery port, connected with first water inlet
Logical and the second delivery port being connected with the backwater entrance, the second smoke inlet for being connected with first outlet flue and with institute
The connection of the second smoke inlet is stated for the second outlet flue of the flue gas discharge after being exchanged heat with backwater；
Equipment for denitrifying flue gas, it is connected with second outlet flue.
2. gas heating boiler Latent heat taking back and process system as claimed in claim 1, it is characterised in that the combustion gas
Heating boiler also has moisturizing entrance, and the gas heating boiler Latent heat taking back and process system also includes：
Second water cooling heat exchanger, it is connected between first water cooling heat exchanger and the equipment for denitrifying flue gas, and with confession
The 3rd water inlet that supplement water enters, with the 3rd water inlet connection and the 3rd delivery port being connected with the moisturizing entrance,
The 3rd smoke inlet that is connected with second outlet flue and connected with the 3rd smoke inlet for after supplement water heat exchange
3rd outlet flue of flue gas discharge, the 3rd outlet flue is connected with the equipment for denitrifying flue gas.
3. gas heating boiler Latent heat taking back and process system as claimed in claim 2, it is characterised in that described first
Water cooling heat exchanger and second water cooling heat exchanger are located in same heat exchanger shell.
4. gas heating boiler Latent heat taking back and process system as claimed in claim 2, it is characterised in that the combustion gas
Heating boiler Latent heat taking back and process system also includes：
Flue gas drying device, it is connected between second water cooling heat exchanger and the equipment for denitrifying flue gas, and including with institute
The flue gas demister for stating the connection of the 3rd outlet flue, the adsorption dehumifier that is connected with the equipment for denitrifying flue gas and it is connected to institute
State the booster fan between flue gas demister and the adsorption dehumifier.
5. gas heating boiler Latent heat taking back and process system as claimed in claim 4, it is characterised in that the combustion gas
Heating boiler Latent heat taking back and process system also includes：
Aftercooler, it is connected between the flue gas drying device and the equipment for denitrifying flue gas, and has to enter for supplement water
The 4th water inlet that enters, the 4th delivery port for connecting and being connected with the 3rd water inlet with the 4th water inlet, with it is described
The 4th smoke inlet and connect to arrange with the flue gas after supplement water heat exchange with the 4th smoke inlet that adsorption dehumifier is connected
The 4th outlet flue gone out, the 4th outlet flue is connected with the equipment for denitrifying flue gas.
6. gas heating boiler Latent heat taking back and process system as claimed in claim 1, it is characterised in that the combustion gas
Heating boiler Latent heat taking back and process system also includes the first flue gas analyzer and the second flue gas analyzer, and the flue gas takes off
Nitre device has the 5th smoke inlet entered for flue gas and the 5th outlet flue for the flue gas discharge after denitration, described first
Flue gas analyzer is at the 5th smoke inlet, and second flue gas analyzer is at the 5th outlet flue.
7. the gas heating boiler Latent heat taking back and process system as described in any one of claim 1 to 6, its feature exists
In the equipment for denitrifying flue gas is NOXAbsorber, and the NOXAbsorber is moving-burden bed reactor.
8. gas heating boiler Latent heat taking back and process system as claimed in claim 7, it is characterised in that the NOXInhale
Filling 13X type molecular sieves in adnexa, and the NOXAbsorber is connected with regenerating molecular sieve device.
9. the gas heating boiler Latent heat taking back and process system as described in claim 4 or 5, it is characterised in that described
Adsorption dehumifier is moving-burden bed reactor.
10. gas heating boiler Latent heat taking back and process system as claimed in claim 9, it is characterised in that the suction
Filling 4A types molecular sieve or 5A type molecular sieves in attached drier, and the adsorption dehumifier and molecular sieve dehydration regenerating unit company
Connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720176275.XU CN206514323U (en) | 2017-02-27 | 2017-02-27 | A kind of gas heating boiler Latent heat taking back and process system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720176275.XU CN206514323U (en) | 2017-02-27 | 2017-02-27 | A kind of gas heating boiler Latent heat taking back and process system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206514323U true CN206514323U (en) | 2017-09-22 |
Family
ID=59868980
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720176275.XU Active CN206514323U (en) | 2017-02-27 | 2017-02-27 | A kind of gas heating boiler Latent heat taking back and process system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206514323U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105485748A (en) * | 2015-12-16 | 2016-04-13 | 北京市燃气集团有限责任公司 | Moveable gas heating system |
| CN106678852A (en) * | 2017-02-27 | 2017-05-17 | 北京京诚科林环保科技有限公司 | Gas heating boiler smoke latent heat recycle and treatment system |
| CN113566222A (en) * | 2021-07-27 | 2021-10-29 | 无棣县兴亚生物科技有限公司 | Tail gas treatment device and treatment process of gas biomass boiler |
-
2017
- 2017-02-27 CN CN201720176275.XU patent/CN206514323U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105485748A (en) * | 2015-12-16 | 2016-04-13 | 北京市燃气集团有限责任公司 | Moveable gas heating system |
| CN106678852A (en) * | 2017-02-27 | 2017-05-17 | 北京京诚科林环保科技有限公司 | Gas heating boiler smoke latent heat recycle and treatment system |
| CN113566222A (en) * | 2021-07-27 | 2021-10-29 | 无棣县兴亚生物科技有限公司 | Tail gas treatment device and treatment process of gas biomass boiler |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105879580B (en) | Hydrochloric acid exhausted liquid reclaiming process and system | |
| CN105698550B (en) | The sintering smoke purifying system and method for a kind of energy-saving and emission-reduction | |
| CN105862053B (en) | Hydrochloric acid exhausted liquid reclaiming process and system | |
| CN105887108B (en) | Hydrochloric acid exhausted liquid reclaiming process and system | |
| CN107551813A (en) | A kind of ship desulfurization and denitrification integral process and its device | |
| CN108939808A (en) | A kind of active carbon processing system and its application method improving utilization rate of waste heat and denitrification rate | |
| CN105771946A (en) | Regeneration system and method for activated coke | |
| CN109173570A (en) | A kind of flue gas desulfurization and denitrification system | |
| CN106731538A (en) | A kind of dry desulfurization dust pelletizing system and its flue gas water saving fixtures | |
| CN206514323U (en) | A kind of gas heating boiler Latent heat taking back and process system | |
| CN108187455A (en) | A kind of smoke carbon dioxide capture system based on two-phase absorbent | |
| CN106621768A (en) | Ammonia process of desulfurization integral purification device and method for acid gas sulfur recovery tail gas | |
| CN104154548A (en) | Technique for recycling heat energy of tail gas of gas-fired boiler and purifying nitric oxide | |
| CN209310573U (en) | A kind of purification of Analytic Tower heat supply hot-air system discharged gas fume and waste-heat recovery device | |
| CN205448732U (en) | Energy saving and emission reduction's sintering gas cleaning system | |
| CN108744932A (en) | One kind removing from industrial smoke or tail gas and recycle SO2Device and technique | |
| CN206583315U (en) | A kind of sintering flue gas desulfurization denitration and residual neat recovering system | |
| CN106678852A (en) | Gas heating boiler smoke latent heat recycle and treatment system | |
| CN205424962U (en) | Boiler fume afterheat recovery device | |
| CN209490656U (en) | It is a kind of to disappear white device for fire coal tail gas desulphurization denitration dedusting | |
| CN107062286A (en) | A kind of gas fired-boiler oxygen-enriched combusting fume afterheat step is reclaimed and EGR | |
| CN211635803U (en) | Flue gas treatment system of sintering machine | |
| CN112337275A (en) | Sintering flue gas desulfurization and denitrification method and device | |
| CN209237640U (en) | A kind of flue gas desulfurization and denitrification system | |
| CN208894235U (en) | A kind of novel absorbent charcoal Analytic Tower |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |