CN208536028U - Fume afterheat utilizes energy-saving environmental protection device - Google Patents
Fume afterheat utilizes energy-saving environmental protection device Download PDFInfo
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- CN208536028U CN208536028U CN201721243398.7U CN201721243398U CN208536028U CN 208536028 U CN208536028 U CN 208536028U CN 201721243398 U CN201721243398 U CN 201721243398U CN 208536028 U CN208536028 U CN 208536028U
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Abstract
A kind of fume afterheat utilizes energy-saving environmental protection device, the system comprises boiler smoke system, lithium bromide absorption type heat pump system, absorbing liquid stock tanks, spray desulfurizing tower, driving heat source is done using residual heat from boiler fume, extract the low-temperature heat source in absorbing liquid, heating boiler feed water, the absorbing liquid to be cooled down are sent into spray desulfurizing tower.The utility model has both recycled fume afterheat, improves boiler replenishing water temperature, and reduces the reaction temperature of desulfurizing tower, high-efficient energy-saving environment friendly.
Description
Technical field
The utility model relates to a kind of residual heat from boiler fume to utilize system, and in particular to a kind of efficiently to utilize fume afterheat
Energy conservation and desulphurization system.
Background technique
Coal-fired power station boiler flue gas loss is maximum one in boiler various heat losses, boiler smoke have temperature it is low,
The low feature of energy level rationally and effectively utilizes fume afterheat, can reduce coal consumption by a relatively large margin, increases generated energy.Currently, most of
Power station for smoke discharging residual heat recycling mainly there are two direction: one is by energy conversion, be converted into other shapes
The energy recovery of formula；Another kind is that the form for making this part low-grade energy maintain thermal energy is utilized.Major way includes
A. steam turbine side heat regenerative system, heat-setting water are introduced；B. it preheats into stove air；C. drying brown coal reduces electricity generation system energy consumption
Loss；D. district cooling and heating etc..Smoke temperature can be reduced by these modes, saves fuel.But boiler is in actual operation
By combustion conditions, fouling of heating surface, leaking out and corroding is influenced, waste heat flue-gas temperature after the recovery still up to 140 ~ 160 DEG C, and
General wet desulfurizing process requirement, flue gas receive temperature between 75-85 DEG C, the flue-gas temperature after desulfurization at 45 ~ 55 DEG C or so,
Reaction temperature is high, can reduce the absorption efficiency of sulfide, so the temperature of boiler smoke also needs to reduce to improve efficiency.
Utility model content
The purpose of this utility model leads to desulfurization effect difference and low temperature because of reaction temperature height for existing boiler smoke
The problem of heat-energy losses, is designed a kind of environment friendly system that energy-efficient fume afterheat utilizes, is joined using lithium bromide absorption type heat pump
Conjunction technology absorbs residual heat from boiler fume and is used for heating boiler moisturizing, reduces boiler smoke temperature, while can also improve subsequent de-
The efficiency of sulphur technique.
The technical solution of the utility model is:
A kind of fume afterheat utilizes energy-saving environmental protection device, it is characterised in that: it includes that boiler smoke system 1, lithium bromide are inhaled
Receipts formula heat pump system 2, absorbing liquid stock tank 3 and spray desulfurizing tower 4, the smoke outlet of boiler smoke system 1 and absorbing liquid stock tank 3
Import corresponding with absorbing liquid stock tank 3 is connected leakage fluid dram respectively, the absorbing liquid delivery outlet of lithium bromide absorption type heat pump system 2 with
The input port of spray desulfurizing tower 4 is connected, and spray desulfurizing tower 4 is equipped with desulfurization fume discharge structure 421.The boiler smoke system
Including boiler body, boiler feedwater, superheater, economizer, air preheater, deduster etc.；
The lithium bromide absorption type heat pump system 2 mainly includes generator 21, evaporator 22, condenser 23, absorber 24；
The lithium bromide absorption type heat pump system 2 mainly includes generator 21, evaporator 22, condenser 23, absorber 24；
The lithium bromide absorption type heat pump system 2 is equipped with the first flue gas and receives structure 210 and flue gas discharge structure 211, the
Two boiler replenishing waters receive structure 241, boiler replenishing water discharge structure 230, the first absorbing liquid and receive structure 221 and the first absorbing liquid row
Structure 220 out；The absorber 24 is equipped with boiler replenishing water medial exhaust structure 240, and the condenser 23 is equipped in boiler replenishing water
Between receive structure 231；First flue gas receives structure 210 and is connected with the boiler smoke discharge structure 111 of boiler smoke system 1,
Flue gas discharge structure 211 receives structure 420 with the second flue gas of spray desulfurizing tower 4 and is connected；Second boiler replenishing water receives structure
241 with boiler replenishing water be sent into absorber 24 is connected, boiler replenishing water be sent into absorber 24 moisturizing medial exhaust structure 240 with it is cold
It receives structure 231 among the moisturizing of condenser 23 to be connected, the boiler replenishing water discharge structure 230 and boiler smoke system of condenser 23
1 the first boiler replenishing water receives structure 110 and is connected；First absorbing liquid of evaporator 22 receives structure 221 and absorbing liquid stock tank 3
Absorbing liquid circulation discharge structure 321 be connected, the first absorbing liquid discharge structure 220 and the absorbing liquid stock tank 3 of evaporator 22
Absorbing liquid circulation receives structure 320 and is connected；
The absorbing liquid stock tank 3 is equipped with absorbing liquid water supplement structure 330, absorbing liquid circulation discharge structure 321 is followed with absorbing liquid
Ring receives structure 320, the second absorbing liquid discharge structure 311 and the second absorbing liquid and receives structure 310；Absorbing liquid recycles discharge structure
321, which receive structure 221 with the first absorbing liquid of evaporator 22, is connected, and absorbing liquid circulation receives structure 320 and evaporator 22
First absorbing liquid discharge structure 220 is connected, and the absorbing liquid spray of the second absorbing liquid discharge structure 311 and spray desulfurizing tower 4 follows
Ring receives structure 411 and is connected, and the second absorbing liquid receives the absorbing liquid Sprayer Circulation of structure 310 and 4 middle and lower part of spray desulfurizing tower
Discharge structure 410 is connected；
The spray desulfurizing tower 4 is equipped with the second flue gas and receives structure 420 and desulfurization fume discharge structure 421, absorbing liquid spray
Leaching circulation discharge structure 410 and absorbing liquid Sprayer Circulation receive structure 411, and the second flue gas receives structure 420 and lithium bromide absorption
The flue gas discharge structure 211 of generator 21 in formula heat pump system 2 is connected, and it is de- that desulfurization fume discharge structure 421 is located at spray
The top of sulphur tower 4, absorbing liquid Sprayer Circulation receive structure 411 and are connected with the absorbing liquid of absorbing liquid stock tank 3 circulation discharge structure 321
Logical, absorbing liquid Sprayer Circulation discharge structure 410 receives structure 310 with the second absorbing liquid of absorbing liquid stock tank 3 and is connected；
The boiler smoke discharge structure 111 of the flue gas system 1 connects with the first flue gas of lithium bromide absorption type heat pump system 2
Receipts structure 210 is connected, the first boiler replenishing water receives structure 110 and is connected with boiler replenishing water discharge structure 230；The lithium bromide absorption
The flue gas discharge structure 211 of formula heat pump system 2 receives structure 420 with the second flue gas of spray desulfurizing tower 4 and is connected, the first absorbing liquid
Receive structure 221 and the first absorbing liquid discharge structure 220 recycled respectively with the absorbing liquid of absorbing liquid stock tank 3 discharge structure 321 and
Absorbing liquid circulation receives structure 320 and is connected；Second absorbing liquid discharge structure 311 of the absorbing liquid stock tank 3 and the second absorbing liquid
It receives structure 310 and receives structure 411 and absorbing liquid Sprayer Circulation discharge knot with the absorbing liquid Sprayer Circulation of spray desulfurizing tower 4 respectively
Structure 410 is connected；
The spray desulfurizing tower 4 is countercurrent spray tower.
For the lithium bromide absorption type heat pump system using lithium bromide as absorbent, water is refrigerant, and boiler smoke is driving heat
Source, absorbing liquid are low-temperature heat source, and system mainly includes generator, evaporator, condenser, absorber；The suction-type lithium bromide
Heat pump system is equipped with flue gas reception and receives structure and flue gas discharge structure, boiler replenishing water reception structure and boiler replenishing water discharge knot
Structure, absorbing liquid receive structure and absorbing liquid discharge structure；Boiler replenishing water passes sequentially through the absorption of lithium bromide absorption type heat pump system
Device 24 and condenser 23, therefore absorber is equipped with moisturizing medial exhaust structure, condenser is equipped among moisturizing and receives structure.
The absorbing liquid stock tank is equipped with absorbing liquid water supplement structure, absorbing liquid circulation discharge structure and absorbing liquid circulation and receives knot
Structure, absorbing liquid spray discharge structure and absorbing liquid spray receive structure.
The spray desulfurizing tower is equipped with flue gas and receives structure and desulfurization fume discharge structure, absorbing liquid Sprayer Circulation discharge knot
Structure and absorbing liquid Sprayer Circulation receive structure.
The boiler smoke discharge structure of the flue gas system and the flue gas of lithium bromide absorption type heat pump system receive structure phase
Even, boiler replenishing water receives structure and is connected with boiler replenishing water discharge structure.
The flue gas discharge structure of the lithium bromide absorption type heat pump system receives structure with the flue gas of spray desulfurizing tower and is connected,
Absorbing liquid receives structure and follows respectively with the absorbing liquid of absorbing liquid stock tank circulation discharge structure with absorbing liquid with absorbing liquid discharge structure
Ring receives structure and is connected.
The absorbing liquid stock tank absorbing liquid spray discharge structure and absorbing liquid spray receive structure respectively with spray desulfurization
The absorbing liquid Sprayer Circulation of tower receives structure and is connected with absorbing liquid Sprayer Circulation discharge structure.
The spray desulfurizing tower is countercurrent spray tower, and flue gas enters from bottom air inlet, top outflow, in Ta Nei and spray
Absorbing liquid counter current contacting, to remove the sulfide in flue gas.
The beneficial effects of the utility model are:
Compared with prior art, remarkable advantage is the utility model: (1) by lithium bromide absorption type heat pump, absorbing
Residual heat from boiler fume carrys out heating boiler moisturizing, saves fuel consumption, at the same also reduce boiler smoke temperature reach 55 DEG C hereinafter,
Maximum has recycled the heat of flue gas, while also absorbing the low-temperature heat quantity after absorbing liquid spray；(2) it reduces in spray desulfurizing tower
The temperature of absorbing liquid reduces the reaction temperature in desulfurizing tower, improve 30% or more desulfuration efficiency, realizes energy-saving and environment-friendly double
Weight target.
Detailed description of the invention
Fig. 1 Tthe utility model system structural schematic diagram.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples.
A kind of fume afterheat utilizes energy-saving environmental protection device, it includes boiler smoke system 1, lithium bromide absorption type heat pump system
2, absorbing liquid stock tank 3 and spray desulfurizing tower 4, the lithium bromide absorption type heat pump system 2 are discharged with the boiler smoke system 1
Flue gas is driving heat source, is refrigeration with water using lithium bromide as absorbent using the absorbing liquid in absorbing liquid stock tank 3 as low-temperature heat source
Agent, the absorbing liquid that is cooled down are sent into spray desulfurizing tower 4 to discharging after flue gas desulfurization.The lithium bromide absorption type heat pump system 2 is main
It to include generator 21, evaporator 22, condenser 23, absorber 24.The lithium bromide absorption type heat pump system 2 is equipped with the first cigarette
Gas receives structure 210 and flue gas discharge structure 211, the second boiler replenishing water receive structure 241 and boiler replenishing water discharges discharge structure
230, the first absorbing liquid receives structure 221 and the first absorbing liquid discharge structure 220；The absorber 24 is equipped among boiler replenishing water
Discharge structure 240, the condenser 23, which is equipped among boiler replenishing water, receives structure 231；First flue gas receives structure 210 for connecing
It receives the flue gas of the discharge of boiler smoke discharge structure 111 of boiler smoke system 1 and is sent into heat release in generator 21 and cool down, flue gas row
Structure 211 is used to for the flue gas after the heat absorption of generator 21 being sent into spray desulfurizing tower 4 and discharge after progress desulfurization out；Second boiler
Moisturizing receives structure 241 for being sent into after absorber 24 absorbs heat after receiving boiler water again by boiler replenishing water medial exhaust structure
240 are sent among boiler replenishing water after reception structure 231 into condenser 23, are discharged after the heating of condenser 23 by boiler replenishing water
First boiler replenishing water of structure 230 and boiler smoke system 1 receives structure 110 and is sent into boiler smoke system 1 as boiler benefit
Water exchanges heat in boiler flue again；First absorbing liquid receives structure 221 and is used to the absorbing liquid in absorbing liquid stock tank 3 being sent into evaporator
In 22, the absorbing liquid after the heat absorption of evaporator 22 is sent into absorbing liquid stock tank 3 through the first absorbing liquid discharge structure 220 again.It is described
Absorbing liquid stock tank 3 is equipped with absorbing liquid water supplement structure 330, absorbing liquid circulation discharge structure 321 and absorbing liquid circulation and receives structure
320, the second absorbing liquid discharge structure 311 and the second absorbing liquid receive structure 310；Absorbing liquid water supplement structure 330 is followed for supplementing
The absorbing liquid moisturizing lost during ring, absorbing liquid recycle discharge structure 321 for the steaming for lithium bromide absorption type heat pump system 2
It sends out device 22 and low-temperature heat source is provided, the absorbing liquid after being cooled recycles reception structure 320 by absorbing liquid and enters absorbing liquid stock tank 3 simultaneously
4 middle and upper part of spray desulfurizing tower is sent into through the second absorbing liquid discharge structure 311, and spray desulfurization and cooling, spray heat absorption are carried out to flue gas
Absorbing liquid afterwards receives knot using 4 middle and lower part absorbing liquid Sprayer Circulation discharge structure 410 of spray desulfurizing tower and the second absorbing liquid
Structure 310 be sent into absorbing liquid stock tank 3 in, continue on through absorbing liquid circulation discharge structure 321 be sent into lithium bromide absorption type heat pump system 2 into
Row subsequent cycle.The spray desulfurizing tower 4 is equipped with the second flue gas of desulfurization and receives structure 420 and desulfurization fume discharge structure 421, inhales
It receives liquid Sprayer Circulation discharge structure 410 and absorbing liquid Sprayer Circulation receives structure 411, the second flue gas receives structure 420 for connecing
The boiler smoke after the generator heat absorption in lithium bromide absorption type heat pump system 2 is received, the boiler smoke is through in spray desulfurizing tower 4
It is discharged after absorbing liquid spray equipment spraying cooling desulfurization from 4 top desulfurization fume discharge structure 421 of spray desulfurizing tower, absorbing liquid spray
Leaching circulation receives structure 411 and is used to receive from the submitting of absorbing liquid stock tank 3 through cooling absorbing liquid as spray liquid, and spray liquid is inhaled
The feeding absorption slurry of structure 310 is received from absorbing liquid Sprayer Circulation discharge structure 410 and the second absorbing liquid again after receiving flue gas heat
Enter subsequent cycle in pond 3 to be sent into lithium bromide absorption type heat pump system 2.The spray desulfurizing tower 4 is countercurrent spray tower, pot
Enter spray desulfurizing tower 4 after generator 21 of the tail flue gas of kiln gas system 1 by lithium bromide absorption type heat pump system 2, from
4 bottom of spray desulfurizing tower enters, top is discharged, enter by the absorbing liquid of spray flue gas from the top of the spray desulfurizing tower 4,
Lower part outflow, flue gas is in Ta Nei and absorbs spray liquid counter current contacting, to remove the sulfide in flue gas.
Specific connection relationship is as shown in Figure 1, the wherein boiler smoke discharge structure 111 and lithium bromide of boiler smoke system 1
First flue gas of absorption type heat pump system 2 receives connected structure 210, the first boiler replenishing water reception structure 110 and management moisturizing row
Structure 230 is connected out；The flue gas discharge structure 211 of the lithium bromide absorption type heat pump system 2 and the second cigarette of spray desulfurizing tower 4
Gas receives structure 420 and is connected, the first absorbing liquid receive structure 221 and the first absorbing liquid discharge structure 220 respectively with absorption slurry
The absorbing liquid circulation discharge structure 321 in pond 3 recycles reception structure 320 with absorbing liquid and is connected；The second of the absorbing liquid stock tank 3 inhales
It receives liquid discharge structure 311 and the second absorbing liquid receives structure 310 and receives knot with the absorbing liquid Sprayer Circulation of spray desulfurizing tower 4 respectively
Structure 411 is connected with absorbing liquid Sprayer Circulation discharge structure 410.It is for example all kinds of discharge structures of the various structures, discharge structure, each
Class receives structure etc. and can generally be made of pipeline, ozzle or concentric reducer, elbow, valve, using flange, screw thread or welded connecting.
Details are as follows:
The utility model residual heat from boiler fume includes boiler smoke system 1, lithium bromide absorption type heat pump system using system
2, absorbing liquid stock tank 3, spray desulfurizing tower 4.
The boiler of the boiler smoke system 1 is not limited to one of station boiler, Industrial Boiler, hot-water boiler, packet
It includes but is not limited to and is not specifically illustrated in the equipment drawings such as superheater, economizer, air preheater, dedusting；The boiler smoke system 1
Structure 110 and boiler smoke discharge structure 111 are received equipped with the first boiler replenishing water.
For the lithium bromide absorption type heat pump system 2 using lithium bromide as absorbent, water is refrigerant, and boiler smoke is driving heat
Source, absorbing liquid stock tank are low-temperature heat source, and boiler replenishing water is to take thermal medium, including generator 21, evaporator 22, condenser 23, inhale
Receive device 24 etc.；The lithium bromide absorption type heat pump system 2 is equipped with the first flue gas and receives structure 210 and flue gas emission structure 211, the
Two boiler replenishing waters receive structure 241 and management moisturizing discharge structure 230, the first absorbing liquid receive structure 221 and absorbing liquid is discharged
Structure 220；Boiler replenishing water passes sequentially through the absorber 24 and condenser 23 of lithium bromide absorption type heat pump system 2, therefore absorber 24
It is equipped among boiler replenishing water equipped with boiler replenishing water medial exhaust structure 240, condenser 23 and receives structure 231.
The absorbing liquid stock tank 3 is equipped with stock tank absorbing liquid water supplement structure 330, absorbing liquid circulation discharge structure 321 and absorbs
Liquid circulation receives structure 320, the second absorbing liquid discharge structure 311 and the second absorbing liquid and receives structure 310.
Sulfur method is sprayed in the spray desulfurizing tower 4 is not limited to the cigarettes such as limestone/lime wet process, Dual alkali, ammonia process
Desulfurization；The spray desulfurizing tower 4 is equipped with the second flue gas and receives structure 420 and desulfurization fume discharge structure 421, absorbing liquid spray
It recycles discharge structure 410 and absorbing liquid Sprayer Circulation receives structure 411.
The boiler smoke discharge structure 111 of the flue gas system 1 connects with the first flue gas of lithium bromide absorption type heat pump system 2
Receipts structure 210 is connected, the first boiler replenishing water receives structure 110 and is connected with boiler replenishing water discharge structure 230.
The flue gas emission structure 211 of the lithium bromide absorption type heat pump system 2 and the second flue gas of spray desulfurizing tower 4 receive
Structure 420 is connected, and the first absorbing liquid receives structure 221 and absorbing liquid discharge structure 220 absorbing liquid with absorbing liquid stock tank 3 respectively
Circulation discharge structure 321 recycles reception structure 320 with absorbing liquid and is connected.
Second absorbing liquid discharge structure 311 of the absorbing liquid stock tank 3 and the second absorbing liquid receive structure 310 respectively with spray
The absorbing liquid Sprayer Circulation of leaching desulfurizing tower 4 receives structure 411 and is connected with absorbing liquid Sprayer Circulation discharge structure 410.
The working principle of the lithium bromide absorption type heat pump system 2 are as follows: utilize the steaming of lithium bromide water solution under different temperatures
Hair absorbs heat and condenses heat release to realize the transfer of heat, from the height of the boiler smoke discharge structure 111 of boiler smoke system 1 discharge
Warm flue gas is brominated lithium solution by the generator 21 that the first flue gas receives structure 210 into lithium bromide absorption type heat pump system 2
It receives structure 210 from the first flue gas after heat absorption to be discharged, the refrigerant water in lithium-bromide solution absorbs boiler smoke by generator 21
Gas waste heat is evaporated, and steam enters 23 heat release of condenser and heating boiler moisturizing, the bromination that a part of concentration that is condensed is got higher
Lithium solution enters absorber 24, and the heat of vaporization that a part of condensed water enters absorbing liquid in the absorption stock tank of evaporator 22 becomes to be saturated
Vapor flows to absorber 24, and is brominated lithium solution and absorbs its heat and come heating boiler moisturizing, the lithium-bromide solution after heat release
Generator 21 is flowed to, a circulation is so completed.The energy conversion of whole process may be expressed as: high temperature heat source flue gas+Low Temperature Thermal
Source absorbing liquid → common heating boiler moisturizing makes its heating.
Absorbing liquid in the absorbing liquid stock tank 3 is flowed out from absorbing liquid circulation discharge structure 321, is connect by the first absorbing liquid
22 heating condensate water of evaporator for receiving the inflow lithium bromide absorption type heat pump system 2 of structure 221 makes it become saturated steam, heat release
Absorbing liquid after cooling flows out through absorbing liquid Sprayer Circulation through the second absorbing liquid discharge structure 311 again and receives structure 411, enters
Spray desulfurizing tower 4 carries out spray desulfurization to flue gas in tower, flows back to absorbing liquid from the absorbing liquid Sprayer Circulation discharge structure 410 of tower bottom
Stock tank 3 so completes a circulation.
System is utilized according to the utility model residual heat from boiler fume, boiler smoke successively passes through: the pot of boiler smoke system 1
First flue gas of kiln gas 111-lithium bromide absorption type heat pump of discharge structure system 2 receives 210-suction-type lithium bromide of structure heat
Second flue gas of 211-spray desulfurizing tower of flue gas emission structure 4 of pumping system 2 receives the desulfurization of 420-spray desulfurizing tower of structure 4
Flue gas emission structure 421.
Boiler replenishing water successively passes through: the second boiler replenishing water of lithium bromide absorption type heat pump system 2 receives 241-bromination of structure
The boiler replenishing water medial exhaust structure 240 of absorber 24 in lithium-absorbing formula heat pump 2, condenser 23 in lithium bromide absorption type heat pump 2
Boiler replenishing water among receive 231-lithium bromide absorption type heat pump of structure system 2 boiler replenishing water 230-boiler smoke of discharge structure
First boiler replenishing water of gas system 1 receives structure 110.
Absorbing liquid is successively passed through: the absorbing liquid of absorbing liquid stock tank 3 recycles 321-lithium bromide absorption type heat pump of discharge structure system
First absorbing liquid of system 2 receives absorbing liquid 220-absorbing liquid of discharge structure of 221-lithium bromide absorption type heat pump of structure system 2
The absorbing liquid circulation of stock tank 3 receives second 311-spray desulfurizing tower of absorbing liquid discharge structure 4 of 320-absorbing liquid of structure stock tank 3
Absorbing liquid Sprayer Circulation receive 411-spray desulfurizing tower of structure 4 absorbing liquid Sprayer Circulation discharge structure 410-absorb slurry
Second absorbing liquid in pond 3 receives structure 310.
Embodiment 1
Use rated capacity for the Circulating Fluidized Bed Boiler of 220t/h, boiler smoke system includes recycle stream
Fluidized bed boiler, U-shaped material returning device, superheater, economizer, air preheater.Specified boiler replenishing water temperature is 150 DEG C, boiler smoke
System smog discharge temperature is 136 DEG C, exhaust gas volumn 385100m3/h.Spray desulfurizing tower selects ammonia process of desulfurization spray column.Pass through
The utility model smoke waste heat utilization system improves boiler replenishing water temperature 50 C and is increased to 150 DEG C, reduces 80 DEG C of smoke temperature, together
When by the absorption of desulfurizing tower and oxidizing reaction temperature control at 55 DEG C hereinafter, improve the absorptivity of sulfur dioxide, reduce Asia
The decomposition of ammonium sulfate.
It will be appreciated by those skilled in the art that above-described embodiment and attached drawing only play explanation the purpose of this utility model, without
It should be considered as any restrictions made to it.
The parts not involved in the utility model is same as the prior art or can be realized by using the prior art.
Claims (7)
1. a kind of fume afterheat utilizes energy-saving environmental protection device, it is characterised in that: it includes boiler smoke system (1), lithium bromide suction
Receipts formula heat pump system (2), absorbing liquid stock tank (3) and spray desulfurizing tower (4), the smoke outlet of boiler smoke system (1) and absorption
Import corresponding with absorbing liquid stock tank (3) is connected the leakage fluid dram in slurry pond (3) respectively, lithium bromide absorption type heat pump system (2)
Absorbing liquid delivery outlet be connected with the input port of spray desulfurizing tower (4), spray desulfurizing tower (4) be equipped with desulfurization fume discharge structure
(421).
2. fume afterheat according to claim 1 utilizes energy-saving environmental protection device, it is characterised in that the suction-type lithium bromide
Heat pump system (2) mainly includes generator (21), evaporator (22), condenser (23), absorber (24).
3. fume afterheat according to claim 2 utilizes energy-saving environmental protection device, it is characterised in that the suction-type lithium bromide
Heat pump system (2) is equipped with the first flue gas and receives structure (210) and flue gas discharge structure (211), the second boiler replenishing water reception structure
(241), boiler replenishing water discharge structure (230), the first absorbing liquid receive structure (221) and the first absorbing liquid discharge structure (220)；
The absorber (24) is equipped with boiler replenishing water medial exhaust structure (240), and the condenser (23) is equipped in boiler replenishing water indirectly
It receives structure (231)；First flue gas receives structure (210) and is connected with the boiler smoke discharge structure (111) of boiler smoke system (1)
Logical, flue gas discharge structure (211) receives structure (420) with the second flue gas of spray desulfurizing tower (4) and is connected；Second boiler replenishing water
It receives structure (241) to be connected with boiler replenishing water feeding absorber (24), boiler replenishing water is sent among the moisturizing of absorber (24)
It receives structure (231) among discharge structure (240) and the moisturizing of condenser (23) to be connected, the boiler replenishing water row of condenser (23)
Structure (230) receives structure (110) with the first boiler replenishing water of boiler smoke system (1) and is connected out；The of evaporator (22)
One absorbing liquid receives structure (221) and is connected with the absorbing liquid of absorbing liquid stock tank (3) circulation discharge structure (321), evaporator
(22) the first absorbing liquid discharge structure (220) receives structure (320) with the absorbing liquid of absorbing liquid stock tank (3) circulation and is connected.
4. fume afterheat according to claim 1 utilizes energy-saving environmental protection device, it is characterised in that the absorbing liquid stock tank (3)
Structure (320), second are received equipped with absorbing liquid water supplement structure (330), absorbing liquid circulation discharge structure (321) and absorbing liquid circulation
Absorbing liquid discharge structure (311) and the second absorbing liquid receive structure (310)；Absorbing liquid recycles discharge structure (321) and evaporator
(22) the first absorbing liquid receives structure (221) and is connected, and absorbing liquid circulation receives the first of structure (320) and evaporator (22)
Absorbing liquid discharge structure (220) is connected, and the absorbing liquid of the second absorbing liquid discharge structure (311) and spray desulfurizing tower (4) sprays
Circulation receives structure (411) and is connected, and the second absorbing liquid receives the absorbing liquid of structure (310) and spray desulfurizing tower (4) middle and lower part
Sprayer Circulation discharge structure (410) is connected.
5. fume afterheat according to claim 1 utilizes energy-saving environmental protection device, it is characterised in that the spray desulfurizing tower (4)
Structure (420) and desulfurization fume discharge structure (421), absorbing liquid Sprayer Circulation discharge structure (410) are received equipped with the second flue gas
Structure (411) are received with absorbing liquid Sprayer Circulation, the second flue gas receives structure (420) and lithium bromide absorption type heat pump system (2)
In the flue gas discharge structure (211) of generator (21) be connected, desulfurization fume discharge structure (421) is located at spray desulfurizing tower
(4) top, the absorbing liquid that absorbing liquid Sprayer Circulation receives structure (411) and absorbing liquid stock tank (3) recycle discharge structure (321)
It is connected, the second absorbing liquid of absorbing liquid Sprayer Circulation discharge structure (410) and absorbing liquid stock tank (3) receives structure (310) phase
Connection.
6. fume afterheat according to claim 1 utilizes energy-saving environmental protection device, it is characterised in that the flue gas system (1)
First flue gas of boiler smoke discharge structure (111) and lithium bromide absorption type heat pump system (2) receive structure (210) be connected, the
One boiler replenishing water receives structure (110) and is connected with boiler replenishing water discharge structure (230)；The lithium bromide absorption type heat pump system
(2) flue gas discharge structure (211) receives structure (420) with the second flue gas of spray desulfurizing tower (4) and is connected, and the first absorbing liquid connects
It receives structure (221) and the first absorbing liquid discharge structure (220) and recycles discharge structure with the absorbing liquid of absorbing liquid stock tank (3) respectively
(321) reception structure (320) is recycled with absorbing liquid to be connected；Second absorbing liquid discharge structure (311) of the absorbing liquid stock tank (3)
Structure (310), which are received, with the second absorbing liquid receives structure (411) and suction with the absorbing liquid Sprayer Circulation of spray desulfurizing tower (4) respectively
Liquid Sprayer Circulation discharge structure (410) are received to be connected.
7. fume afterheat according to claim 1 utilizes energy-saving environmental protection device, it is characterised in that the spray desulfurizing tower (4)
For countercurrent spray tower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721243398.7U CN208536028U (en) | 2017-09-26 | 2017-09-26 | Fume afterheat utilizes energy-saving environmental protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721243398.7U CN208536028U (en) | 2017-09-26 | 2017-09-26 | Fume afterheat utilizes energy-saving environmental protection device |
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| Publication Number | Publication Date |
|---|---|
| CN208536028U true CN208536028U (en) | 2019-02-22 |
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ID=65398719
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721243398.7U Active CN208536028U (en) | 2017-09-26 | 2017-09-26 | Fume afterheat utilizes energy-saving environmental protection device |
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| Country | Link |
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| CN (1) | CN208536028U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023097895A1 (en) * | 2021-11-30 | 2023-06-08 | 中国华能集团清洁能源技术研究院有限公司 | Open-loop heat pump based grading heat taking and water taking system and method using desulfurization slurry flash evaporation |
-
2017
- 2017-09-26 CN CN201721243398.7U patent/CN208536028U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023097895A1 (en) * | 2021-11-30 | 2023-06-08 | 中国华能集团清洁能源技术研究院有限公司 | Open-loop heat pump based grading heat taking and water taking system and method using desulfurization slurry flash evaporation |
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Effective date of registration: 20210623 Address after: 211112 no.2111 Chengxin Avenue, Science Park, Jiangning District, Nanjing City, Jiangsu Province Patentee after: Jiangsu Zhongsheng clean energy Co.,Ltd. Address before: 211112, No. 2111, good faith Road, Jiangning District, Jiangsu, Nanjing Patentee before: JIANGSU SUNPOWER TECHNOLOGY Co.,Ltd. |