CN203671628U - Spraying absorption type gas and smoke total heat recovery, desulfurization and denitrification device - Google Patents
Spraying absorption type gas and smoke total heat recovery, desulfurization and denitrification device Download PDFInfo
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- CN203671628U CN203671628U CN201420017597.6U CN201420017597U CN203671628U CN 203671628 U CN203671628 U CN 203671628U CN 201420017597 U CN201420017597 U CN 201420017597U CN 203671628 U CN203671628 U CN 203671628U
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- flue gas
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- 238000011084 recovery Methods 0.000 title claims abstract description 108
- 238000010521 absorption reaction Methods 0.000 title claims abstract description 37
- 238000005507 spraying Methods 0.000 title claims abstract description 6
- 239000000779 smoke Substances 0.000 title abstract description 11
- 238000006477 desulfuration reaction Methods 0.000 title abstract description 7
- 230000023556 desulfurization Effects 0.000 title abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 95
- 239000006096 absorbing agent Substances 0.000 claims abstract description 15
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 63
- 239000003546 flue gas Substances 0.000 claims description 63
- 239000007921 spray Substances 0.000 claims description 31
- YNBADRVTZLEFNH-UHFFFAOYSA-N methyl nicotinate Chemical compound COC(=O)C1=CC=CN=C1 YNBADRVTZLEFNH-UHFFFAOYSA-N 0.000 claims description 22
- 239000000567 combustion gas Substances 0.000 claims description 16
- 239000000126 substance Substances 0.000 claims description 14
- 239000000498 cooling water Substances 0.000 claims description 12
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 claims description 11
- 239000007789 gas Substances 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 5
- 230000004888 barrier function Effects 0.000 claims description 4
- 238000005516 engineering process Methods 0.000 abstract description 6
- 238000010276 construction Methods 0.000 abstract description 4
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000002918 waste heat Substances 0.000 description 8
- HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Inorganic materials [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 7
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- 239000005864 Sulphur Substances 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 239000003517 fume Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000003020 moisturizing effect Effects 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 1
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
- Y02A30/274—Relating to heating, ventilation or air conditioning [HVAC] technologies using waste energy, e.g. from internal combustion engine
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
-
- 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
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- Treating Waste Gases (AREA)
Abstract
The utility model discloses a spraying absorption type gas and smoke total heat recovery, desulfurization and denitrification device, and belongs to the technical field of energy. The device is composed of a smoke total heat recovery device at the upper portion and an absorption type refrigerator at the lower portion. The smoke total heat recovery device comprises a desulfurization and denitrification module arranged in the smoke flowing direction, and a plurality of latent heat recovery modules connected in series. The absorption type refrigerator is composed of an evaporator, an absorber, a condenser and a generator. The desulfurization and denitrification module is provided with a water circulation system, and the latent heat recovery modules are provided with a water circulation system, total sensible heat and most of latent heat of smoke are recovered for preheating primary net return water, SO2 and NOx in the smoke are effectively absorbed by sprayed water at the same time, and therefore pollution of the smoke to the environment is reduced. By means of the spraying absorption type gas and smoke total heat recovery, desulfurization and denitrification device, the occupied area is effectively saved, the structure is more compact, pipeline production cost is saved, conveying energy consumption is lowered, and the construction technology is simplified.
Description
Technical field
The utility model belongs to energy technology field, is specifically related to the full recuperation of heat of a kind of spray-absorption formula combustion gas flue gas and desulfuring and denitrifying apparatus.
Background technology
The direct combustion of natural gas can produce a large amount of high-temperature flue gas, and the flue gas after combustion of natural gas not only temperature is very high, and wherein contains a large amount of steam, thereby the waste heat recovery of flue gas mainly comprises that obvious heat of smoke reclaims and water vapor condensation recuperation of heat.Sensible heat reclaims and can directly realize by the heat exchange of flue gas and boiler blow-down water; Water vapor condensation recuperation of heat can realize in conjunction with Absorption Cooling System.
The patent of existing flue gas waste heat recovery has: (1) CN200710100388.2 discloses a kind of " water spray type thin plastic film flue gas waste heat recovery and desulfurizer ", this device carries out the mediate contact formula countercurrent flow of cigarette G&W by film, its fume side resistance certainly will be larger.(2) CN200720048437.8 discloses a kind of " waste heat recovery energy-saving device of flue ", this device makes flue gas and water direct contact type heat exchange by install feedwater atomizing sprayer additional on flue, thereby the flue gas being discharged in flue is carried out to recuperation of heat, but because needing the extra shower water that obtains lower temperature, this device could obtain good flue gas condensing effect, and its heat transfer temperature difference is crossed the loss that conference causes thermal source grade, thereby its practicality has certain limitation.The patent that the absorption circulation of existing utilization is reclaimed fume afterheat has: (3) CN201010238743.4 discloses a kind of " based on the flue gas waste heat recovery system of solution absorption cycle ", this system comprises generator, condenser, absorber, flue gas from boiler etc. passes into respectively generator, condenser and absorber, in generator, utilize flue gas weak solution, in condenser with cooling water heat exchange, be cooled to below dew-point temperature, separate out condensed water, in absorber, emit latent heat with weak solution countercurrent flow, this unit can utilize the flue gas of different grades, but because it is by multiple parts in flue gas drawing-in system, device each several part is solved to flue gas corrosion problem and proposed again higher requirement.(4) CN201120133195.9 discloses a kind of " utilizing the central heating system of absorption heat pump Mist heat recovering ", this system adopts flue gas and water direct contact heat-exchanging to carry out waste heat recovery, but because this system is to be in series by multiple different parts such as absorption type heat pump assembly, spray equipments, its floor space is larger, and very high for the requirement of construction.
At present, also there is engineering that the flue gas heat recovery technology of absorption circulation and gas-water heat exchange is used in same project, but because the plant area area of every part wherein is larger, and device compact not laying cost and the resistance of ducting that has increased smoke pipe and water pipe that distribute.
In addition, in flue gas, contain a certain amount of SO
2and NO
xcomposition, thus these compositions make rising violently of Heating Season PM2.5 cause serious haze weather, threaten people's health.
Utility model content
For the deficiencies in the prior art, the utility model proposes the full recuperation of heat of a kind of spray-absorption formula combustion gas flue gas and desulfuring and denitrifying apparatus, the unit of this spray-absorption integral type has not only retained the advantage of flue gas waste heat recovery apparatus, effectively save floor space simultaneously, structure is compacter, save pipeline production cost and conveying energy consumption and construction technology is simplified, the duration shortens greatly.Main, can effectively remove the SO in flue gas by the desulphurization denitration module of this device
2and NO
xthereby, produce huge environment income.
To achieve these goals, the technical solution of the utility model is as follows:
A kind of spray-absorption formula full recuperation of heat of combustion gas flue gas and desulfuring and denitrifying apparatus, this device is made up of the full heat regenerator of flue gas and Absorption Refrigerator, and top is the full heat regenerator of flue gas, and bottom is Absorption Refrigerator; The full heat regenerator of flue gas is included in the recovery of latent heat module 10 of the desulphurization denitration module 7 that arranges in flow of flue gas direction and the series connection of n level, by the flow of flue gas direction 1 grade of recovery of latent heat module 10 of n level to the of connecting successively; The top of described desulphurization denitration module 7 is desulphurization denitration spray equipment 5, bottom is the desulphurization denitration water tank 6 of open type, the delivery port of desulphurization denitration water tank 6 is connected with the water inlet of water-water plate type heat exchanger 13 through desulphurization denitration water pump 20 and corresponding water lines, and the delivery port of water-water plate type heat exchanger 13 is connected with desulphurization denitration spray equipment 5; The top of every grade of recovery of latent heat module 10 is corresponding recovery of latent heat spray equipment 8, and bottom is the recovery of latent heat water tank 9 of corresponding open type; Absorption Refrigerator is made up of evaporimeter 1, absorber 2, condenser 3 and generator 4; The water inlet of evaporimeter 1 is connected by the delivery port of system water pump 18 and the corresponding water lines recovery of latent heat water tank 9 corresponding with n level recovery of latent heat module 10, and the recovery of latent heat spray equipment 8 that the delivery port of evaporimeter 1 is corresponding with the 1st grade of recovery of latent heat module 10 is connected; The cooling water intake of absorber 2 is connected with water-water plate type heat exchanger 13, and the cooling water outlet of absorber 2 is connected with the cooling water intake of condenser 3, and the cooling water outlet of condenser 3 is connected with boiler.
The full heat regenerator of above-mentioned flue gas is included in the recovery of latent heat module 10 of the desulphurization denitration module 7 that arranges in flow of flue gas direction and the series connection of n level, wherein 2≤n≤20.
In n recovery of latent heat spray equipment 8 of recovery of latent heat module 10 correspondences of above-mentioned desulphurization denitration spray equipment 5 and the series connection of n level, k is housed and organizes spray pipeline in parallel, be arranged on the sidewall of spray equipment inside; Every group of spray pipeline connection m row nozzle, every group of inner nozzle connecting of pipeline is for spraying in the same way, and the nozzle that two adjacent groups parallel pipeline connects sprays opposite direction; Wherein 1≤k≤20,1≤m≤20.
The delivery port of the recovery of latent heat water tank 9 of above-mentioned every grade of recovery of latent heat module 10 correspondences is connected by inter-stage water pump 19 and the corresponding water lines recovery of latent heat spray equipment 8 corresponding with next stage recovery of latent heat module 10.
The full heat regenerator of above-mentioned flue gas also comprises desulphurization denitration chemicals dosing plant 11 and recovery of latent heat chemicals dosing plant 12, desulphurization denitration chemicals dosing plant 11 is connected with desulphurization denitration water tank 6, and the recovery of latent heat water tank 9 that recovery of latent heat chemicals dosing plant 12 is corresponding with the 1st grade of recovery of latent heat module 10 is connected.
Between n recovery of latent heat water tank 9 of recovery of latent heat module 10 correspondences of connecting in said n level, baffle of porous baffle is housed; At desulphurization denitration water tank 6 be provided with atresia baffle plate between the recovery of latent heat water tank 9 of adjacent n level recovery of latent heat module 10 correspondences with it, only communicate at highest point; The opposite side of desulphurization denitration water tank 6 is slightly being provided with drainpipe 16 lower than the position of atresia height of baffle plate, and the condensed water in the full heat recycle process of flue gas is discharged from drainpipe 16.
Exhanst gas outlet at the gas approach of above-mentioned desulphurization denitration spray equipment 5 and outlet and recovery of latent heat spray equipment 8 corresponding to the 1st grade of recovery of latent heat module 10 is provided with liquid barrier 17.
On the recovery of latent heat water tank 9 of above-mentioned desulphurization denitration water tank 6 and the 1st grade of recovery of latent heat spray module 10 correspondences, filling pipe 14,15 is set respectively, starts or the rear necessary moisturizing of maintenance for installing.
The beneficial effects of the utility model are: through the full recuperation of heat of spray-absorption formula combustion gas flue gas of the present utility model and desulfuring and denitrifying apparatus, the complete sensible heat of flue gas and most of latent heat are recovered the waste heat as a secondary net backwater, simultaneously the SO in flue gas
2, NO
xgas is effectively absorbed by shower water, has reduced the pollution of flue gas to environment.Meanwhile, integrated equipment has effectively been saved floor space, and structure is compacter, saves pipeline production cost and conveying energy consumption and construction technology is simplified, and the duration shortens greatly.
Accompanying drawing explanation
Fig. 1 is the system schematic of the full recuperation of heat of spray-absorption formula combustion gas flue gas and desulfuring and denitrifying apparatus;
Fig. 2 is the side view of the recovery of latent heat spray equipment of n level series connection;
Fig. 3 is the top view of the single passage of spray equipment;
In figure: 1-evaporimeter; 2-absorber; 3-condenser; 4-generator; 5-desulphurization denitration spray equipment; 6-desulphurization denitration water tank; 7-desulphurization denitration module; 8-recovery of latent heat spray equipment; 9-recovery of latent heat water tank; 10-recovery of latent heat module; 11--desulphurization denitration chemicals dosing plant; 12-recovery of latent heat chemicals dosing plant; 13-water-water plate type heat exchanger; 14,15-filling pipe; 16-drainpipe; 17-liquid barrier; 18-system water pump; 19-inter-stage water pump; 20-desulphurization denitration water pump; 21-mono-secondary net force (forcing) pump; 22-pH meter; The recovery of latent heat spray equipment of 23-n level series connection; 24-m is listed as spray spout in the same way.
The specific embodiment
The utility model proposes the full recuperation of heat of a kind of spray-absorption formula combustion gas flue gas and desulfuring and denitrifying apparatus, its specific embodiment is as follows.
As shown in Figure 1, this device is made up of the full heat regenerator of flue gas and Absorption Refrigerator the system schematic of the full recuperation of heat of spray-absorption formula combustion gas flue gas and desulfuring and denitrifying apparatus, and top is the full heat regenerator of flue gas, and bottom is Absorption Refrigerator.The full heat regenerator of flue gas is included in the recovery of latent heat module 10 of the desulphurization denitration module 7 that arranges in flow of flue gas direction and the series connection of n level; Absorption Refrigerator is made up of evaporimeter 1, absorber 2, condenser 3 and generator 4.
Wherein, the top of desulphurization denitration module 7 is desulphurization denitration spray equipment 5, bottom arranges the desulphurization denitration water tank 6 of open type, the delivery port of desulphurization denitration water tank 6 is connected with the water inlet of water-water plate type heat exchanger 13 1 sides through desulphurization denitration water pump 20 and corresponding water lines, the delivery port of water-water plate type heat exchanger 13 these sides is connected with desulphurization denitration spray equipment 5, one secondary net backwater passes into wherein from the water inlet of water-water plate type heat exchanger 13 opposite sides, and the delivery port of water-water plate type heat exchanger 13 opposite sides is connected with absorber 2.The cooling water outlet of absorber 2 is connected with the cooling water intake of condenser 3, and the cooling water outlet of condenser 3 is connected with boiler.One secondary net backwater pressurizes through water pump 21, carries out one-level preheating through water-water plate type heat exchanger 13, then carries out secondary preheating by absorber 2 and condenser 3 successively, enters boiler after preheating.
The top of the recovery of latent heat module 10 of n level series connection is recovery of latent heat spray equipment 8, and bottom arranges in the recovery of latent heat water tank 9 of open type.Wherein, by the flow of flue gas direction 1 grade of recovery of latent heat module 10 of n level to the of connecting successively, the delivery port of the recovery of latent heat water tank 9 of every grade of recovery of latent heat module 10 correspondences is connected by inter-stage water pump 19 and the corresponding water lines recovery of latent heat spray equipment 8 corresponding with next stage recovery of latent heat module, and the recovery of latent heat spray equipment 8 that the water outlet of each recovery of latent heat water tank 9 is transported to next stage recovery of latent heat module 10 by inter-stage water pump 19 sprays; The delivery port of the recovery of latent heat water tank 9 of n level recovery of latent heat module 10 correspondences is by being connected with the water inlet of evaporimeter 1 by system water pump 18 and corresponding water lines, and the delivery port of evaporimeter 1 is connected with the recovery of latent heat spray equipment 8 of the 1st grade of recovery of latent heat module 10.
Between n recovery of latent heat water tank 9 of recovery of latent heat module 10 correspondences of n level series connection, be provided with baffle of porous baffle, contour to maintain between different recovery of latent heat water tanks 9 liquid level, guarantee certain water temperature difference simultaneously.And be provided with atresia baffle plate between desulphurization denitration water tank 8 and adjacent n level recovery of latent heat water tank 10, and only communicate at highest point, slightly there is drainpipe 16 lower than the place of atresia height of baffle plate at the opposite side of desulphurization denitration water tank 8, to guarantee the draining needs of water tank simultaneously.In addition, on the recovery of latent heat water tank 9 of desulphurization denitration water tank 8 and the 1st grade of recovery of latent heat spray module 10 correspondences, filling pipe 14,15 is set respectively, starts or the rear necessary moisturizing of maintenance for installing.And the exhanst gas outlet at the gas approach of above-mentioned desulphurization denitration spray equipment 5 and the recovery of latent heat spray equipment 8 of outlet and n level recovery of latent heat module is provided with liquid barrier 17, anti-sealing enters flue, and prevents that the shower water of desulphurization denitration module 7 from entering recovery of latent heat module 10.
The full heat regenerator of flue gas also comprises sulphur denitration chemicals dosing plant 11 and recovery of latent heat chemicals dosing plant 12, sulphur denitration chemicals dosing plant 11 is connected with desulphurization denitration water tank 8, contain desulfurization denitrification agent NaClO, the recovery of latent heat water tank 9 that recovery of latent heat chemicals dosing plant 12 is corresponding with n level recovery of latent heat module 10 is connected, contain alkali lye NaOH, according to the measured value control desulfurization denitrification agent of pH meter 22 and the addition of alkali lye, it is neutral keeping the shower water in n level recovery of latent heat module 10.
Fig. 2 is the side view of the recovery of latent heat spray equipment 23 of n level series connection, wherein 2≤n≤20, and what generally can meet flue gas and shower water directly contacts evaporative cooling.Fig. 3 is the top view of the single passage of spray equipment, in spray equipment, exists k to organize spray pipeline in parallel, is arranged on the sidewall of spray equipment inside; Every group of spray pipeline connection m row nozzle 24, every group of inner nozzle connecting of pipeline is for spraying in the same way, and the nozzle that two adjacent groups parallel pipeline connects sprays opposite direction; Wherein 1≤k≤20,1≤m≤20.
Claims (8)
1. the full recuperation of heat of spray-absorption formula combustion gas flue gas and a desulfuring and denitrifying apparatus, is characterized in that, this device is made up of the full heat regenerator of flue gas and Absorption Refrigerator, and top is the full heat regenerator of flue gas, and bottom is Absorption Refrigerator;
The full heat regenerator of described flue gas is included in the recovery of latent heat module (10) of the desulphurization denitration module (7) that arranges in flow of flue gas direction and the series connection of n level, by the flow of flue gas direction 1 grade of recovery of latent heat module of n level to the (10) of connecting successively; The top of described desulphurization denitration module (7) is desulphurization denitration spray equipment (5), bottom is the desulphurization denitration water tank (6) of open type, the delivery port of desulphurization denitration water tank (6) is connected with the water inlet of water-water plate type heat exchanger (13) through desulphurization denitration water pump (20) and corresponding water lines, and the delivery port of water-water plate type heat exchanger (13) is connected with desulphurization denitration spray equipment (5); The top of every grade of recovery of latent heat module (10) is corresponding recovery of latent heat spray equipment (8), and bottom is the recovery of latent heat water tank (9) of corresponding open type;
Described Absorption Refrigerator is made up of evaporimeter (1), absorber (2), condenser (3) and generator (4); The water inlet of evaporimeter (1) is connected by the delivery port of system water pump (18) and the corresponding water lines recovery of latent heat water tank (9) corresponding with n level recovery of latent heat module (10), and the recovery of latent heat spray equipment (8) that the delivery port of evaporimeter (1) is corresponding with the 1st grade of recovery of latent heat module (10) is connected; The cooling water intake of absorber (2) is connected with water-water plate type heat exchanger (13), and the cooling water outlet of absorber (2) is connected with the cooling water intake of condenser (3), and the cooling water outlet of condenser (3) is connected with boiler.
2. the full recuperation of heat of spray-absorption formula combustion gas flue gas according to claim 1 and desulfuring and denitrifying apparatus, it is characterized in that, the full heat regenerator of described flue gas is included in the recovery of latent heat module (10) of the desulphurization denitration module (7) that arranges in flow of flue gas direction and the series connection of n level, wherein 2≤n≤20.
3. the full recuperation of heat of spray-absorption formula combustion gas flue gas according to claim 1 and desulfuring and denitrifying apparatus, it is characterized in that, in n the recovery of latent heat spray equipment (8) of recovery of latent heat module (10) correspondence of described desulphurization denitration spray equipment (5) and the series connection of n level, k is housed and organizes spray pipeline in parallel, be arranged on the sidewall of spray equipment inside; Every group of spray pipeline connection m row nozzle, every group of inner nozzle connecting of pipeline is for spraying in the same way, and the nozzle that two adjacent groups parallel pipeline connects sprays opposite direction; Wherein 1≤k≤20,1≤m≤20.
4. the full recuperation of heat of spray-absorption formula combustion gas flue gas according to claim 1 and desulfuring and denitrifying apparatus, it is characterized in that, the delivery port of the recovery of latent heat water tank (9) of described every grade of recovery of latent heat module (10) correspondence is connected by inter-stage water pump (19) and the corresponding water lines recovery of latent heat spray equipment (8) corresponding with next stage recovery of latent heat module (10).
5. the full recuperation of heat of spray-absorption formula combustion gas flue gas according to claim 1 and desulfuring and denitrifying apparatus, it is characterized in that, the full heat regenerator of described flue gas also comprises desulphurization denitration chemicals dosing plant (11) and recovery of latent heat chemicals dosing plant (12), desulphurization denitration chemicals dosing plant (11) is connected with desulphurization denitration water tank (6), and the recovery of latent heat water tank (9) that recovery of latent heat chemicals dosing plant (12) is corresponding with the 1st grade of recovery of latent heat module (10) is connected.
6. the full recuperation of heat of spray-absorption formula combustion gas flue gas according to claim 1 and desulfuring and denitrifying apparatus, is characterized in that, between n recovery of latent heat water tank (9) corresponding to the recovery of latent heat module (10) of described n level series connection, baffle of porous baffle is housed; At desulphurization denitration water tank (6) be provided with atresia baffle plate between recovery of latent heat water tank (9) corresponding to adjacent n level recovery of latent heat module (10) with it, only communicate at highest point; The opposite side of desulphurization denitration water tank (6) is slightly being provided with drainpipe (16) lower than the position of atresia height of baffle plate.
7. the full recuperation of heat of spray-absorption formula combustion gas flue gas according to claim 1 and desulfuring and denitrifying apparatus, it is characterized in that, be provided with liquid barrier (17) at the exhanst gas outlet of the gas approach of described desulphurization denitration spray equipment (5) the recovery of latent heat spray equipment (8) corresponding with outlet and the 1st grade of recovery of latent heat module (10).
8. the full recuperation of heat of spray-absorption formula combustion gas flue gas according to claim 1 and desulfuring and denitrifying apparatus, it is characterized in that, on the recovery of latent heat water tank (9) of described desulphurization denitration water tank (6) and the 1st grade of recovery of latent heat spray module (10) correspondence, filling pipe (14), (15) are set respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420017597.6U CN203671628U (en) | 2014-01-10 | 2014-01-10 | Spraying absorption type gas and smoke total heat recovery, desulfurization and denitrification device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420017597.6U CN203671628U (en) | 2014-01-10 | 2014-01-10 | Spraying absorption type gas and smoke total heat recovery, desulfurization and denitrification device |
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| CN203671628U true CN203671628U (en) | 2014-06-25 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103759283A (en) * | 2014-01-10 | 2014-04-30 | 清华大学 | Spraying-absorbing-type method and spraying-absorbing-type device for waste heat recovery, desulfurization and denitration of fuel-gas flue gas |
| CN104913321A (en) * | 2015-05-27 | 2015-09-16 | 北京工业大学 | Heating gas-fired boiler denitration total heat recovery system |
| CN114405246A (en) * | 2021-12-28 | 2022-04-29 | 中国矿业大学 | Is suitable for low partial pressure CO2Energy-saving process for trapping and purifying |
-
2014
- 2014-01-10 CN CN201420017597.6U patent/CN203671628U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103759283A (en) * | 2014-01-10 | 2014-04-30 | 清华大学 | Spraying-absorbing-type method and spraying-absorbing-type device for waste heat recovery, desulfurization and denitration of fuel-gas flue gas |
| CN103759283B (en) * | 2014-01-10 | 2016-02-10 | 清华大学 | A kind of spray-absorption formula combustion gas flue gas total heat recovery and desulfurization denitration method and device |
| CN104913321A (en) * | 2015-05-27 | 2015-09-16 | 北京工业大学 | Heating gas-fired boiler denitration total heat recovery system |
| CN104913321B (en) * | 2015-05-27 | 2017-06-30 | 北京工业大学 | Gas boiler for heating denitration total heat recovery system |
| CN114405246A (en) * | 2021-12-28 | 2022-04-29 | 中国矿业大学 | Is suitable for low partial pressure CO2Energy-saving process for trapping and purifying |
| CN114405246B (en) * | 2021-12-28 | 2022-11-01 | 中国矿业大学 | Is suitable for low partial pressure CO2Energy-saving process for trapping and purifying |
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