CN109966887A - A kind of flue gas processing method and device based on energy matter allotment - Google Patents
A kind of flue gas processing method and device based on energy matter allotment Download PDFInfo
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- CN109966887A CN109966887A CN201910409507.5A CN201910409507A CN109966887A CN 109966887 A CN109966887 A CN 109966887A CN 201910409507 A CN201910409507 A CN 201910409507A CN 109966887 A CN109966887 A CN 109966887A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/05—Separating dispersed particles from gases, air or vapours by liquid as separating agent by condensation of the separating agent
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/26—Drying gases or vapours
- B01D53/265—Drying gases or vapours by refrigeration (condensation)
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/004—Systems for reclaiming waste heat
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
Abstract
The present invention provides a kind of flue gas processing methods and device based on energy matter allotment, are related to fume treatment technical field.The processing method of flue gas provided by the invention, comprising the following steps: flue gas to be processed and the first working medium are subjected to the first heat exchange, obtain the first flue gas；First flue gas is subjected to wet desulphurization, obtains the second flue gas；Second flue gas and the second working medium are subjected to the second heat exchange, obtain third flue gas；It is discharged after the third flue gas is heated；First working medium is identical as the composition of the second working medium, and first working medium obtains after being heated up by second working medium.It can be improved the desulfuration efficiency of flue gas using flue gas processing method provided by the invention, and it is white can to achieve the purpose that flue gas dehumidifying disappears while carrying out desulfurization using wet desulfurizing process.
Description
Technical field
The present invention relates to fume treatment technical fields, and in particular to a kind of flue gas processing method and dress based on energy matter allotment
It sets.
Background technique
Currently, the domestic flue gas desulfurization technique used is usually wet desulphurization, the especially ultra-clean discharge of Thermal Power Enterprises boiler
After transformation, almost all uses wet desulfurizing process.But the humidity of flue gas after wet desulphurization is higher (13~15%), temperature
Lower (45~55 DEG C), the low temperature and high relative humidity flue gas after desulfurization is directly through smoke stack emission, after being mixed with atmosphere, a large amount of water in flue gas
Steam is condensed into droplet to the cold, refraction and heat spreading function through light, and white or grey, referred to as " wet cigarette is presented in wet flue gas
Plumage " (is commonly called as " big white cigarette "), causes smog to curl up, influences vision, will also result in dew point corrosion, while being possible to that nitrogen oxygen can be provided
The photochemical reaction environment of compound, sulfur dioxide and hydrone, and then influence quality of air environment.
Summary of the invention
The purpose of the present invention is to provide a kind of flue gas processing methods and device based on energy matter allotment, are mentioned using the present invention
The flue gas processing method of confession it is white can to achieve the purpose that flue gas dehumidifying disappears while carrying out desulfurization using wet desulfurizing process.
In order to achieve the above-mentioned object of the invention, the present invention the following technical schemes are provided:
The present invention provides a kind of flue gas processing methods based on energy matter allotment, comprising the following steps:
Flue gas to be processed and the first working medium are subjected to the first heat exchange, obtain the first flue gas；
First flue gas is subjected to wet desulphurization, obtains the second flue gas；
Second flue gas and the second working medium are subjected to the second heat exchange, obtain third flue gas；
It is discharged after the third flue gas is heated；
First working medium is identical as the composition of the second working medium, and first working medium obtains after being heated up by second working medium
It arrives.
Preferably, after the flue gas to be processed and the first working medium carry out the first heat exchange, the first working medium gasifies, and obtains
Third working medium；
The third working medium is compressed, the 4th working medium is obtained；
The third flue gas is heated using the 4th working medium, obtains the 5th working medium；
5th working medium carries out heat release, obtains the 6th working medium；
6th working medium obtains the second working medium after throttling, in the second heat exchange.
Preferably, after second flue gas and the second working medium carry out the second heat exchange, the first working medium is obtained, first obtained
Working medium is in first heat exchange.
Preferably, the temperature of the heating is 80 DEG C or more.
Preferably, first working medium, third working medium, the 4th working medium, the 5th working medium are identical with the composition of the 6th working medium；Institute
Stating the first working medium and the 5th working medium is gas-liquid mixed state, and second working medium and the 6th working medium are liquid, described the
Three working medium and the 4th working medium are gaseous state；First working medium is Binary mixtures；The Binary mixtures include
R142b/R32, R1234ze/R32, R142b/R290 or R1234ze/R290.
The present invention also provides a kind of flue gas processing devices based on energy matter allotment, including
First evaporator 1；
The wet desulfuration tower 2 being connected to the exhanst gas outlet of first evaporator 1；
The second evaporator 3 being connected to the gas outlet of the wet desulfuration tower 2；
The first condenser 4 being connected to the exhanst gas outlet of second evaporator 3.
Preferably, further include compressor 6, electric expansion valve 7 and the second condenser 8, the working medium entrances of the compressor 6 with
The sender property outlet of first evaporator 1 is connected to, and the sender property outlet of the compressor 6 and the working medium of first condenser 4 enter
Mouth connection；The working medium entrances of second condenser 8 are connected to the sender property outlet of first condenser 4, second condensation
The sender property outlet of device 8 is connected to the working medium entrances of the electric expansion valve 7；The sender property outlet and second of the electric expansion valve 7
The working medium entrances of evaporator 3 are connected to.
It preferably, further include chimney 5, the chimney 5 is connected to the exhanst gas outlet of first condenser 4.
It preferably, further include the first by-passing valve 10, the second by-passing valve 11 and three by-passing valves 12, first by-passing valve 10 is set
It is placed between pressure fan 9 and the wet desulfuration tower 2；Second by-passing valve 11 is set to the wet desulfuration tower 2 and first
Between condenser 4；Three by-passing valve 12 is set between second evaporator 3 and chimney 5.
It preferably, further include condensate collector 13, the condensate collector 13 is arranged outside second evaporator 3
The bottom in portion.
The present invention provides a kind of flue gas processing methods based on energy matter allotment, comprising the following steps: by flue gas to be processed
The first heat exchange is carried out with the first working medium, obtains the first flue gas；First flue gas is subjected to wet desulphurization, obtains the second cigarette
Gas；Second flue gas and the second working medium are subjected to the second heat exchange, obtain third flue gas；The third flue gas is heated
After discharge；First working medium is identical as the composition of the second working medium, and first working medium obtains after being heated up by second working medium.
In the present invention, the first working medium can absorb the waste heat of flue gas to be processed, and flue gas is made to cool down, due in wet desulfuration tower
It is to realize desulfurization effect by water spray, the flue gas after cooling reduces a possibility that band water mist when by wet desulfuration tower, has
Conducive to the desulfuration efficiency for improving flue gas；The heat of flue gas, further decreases the temperature of flue gas, flue gas after second working medium Absorption Desulfurization
In vapor condensation, while sweeping along flue dust, gypsum particle condensation aggregation, play liquid film dust removing effects, reduce in flue gas
Dust concentration and water content；Carrying out heating to flue gas before discharge can be avoided the precipitation of residual moisture condensation, Jin Ershi in flue gas
While carrying out desulfurization using wet desulfurizing process now, it is white to achieve the purpose that flue gas dehumidifying disappears；In addition, the present invention passes through first
Working medium and the conversion of the second working medium, realize the recycling of working medium, can be avoided the waste of working medium, and realize to more than flue gas
The recycling of heat saves production cost can reach on the basis of matter allotment and disappear to the dehumidifying of flue gas white.
The present invention provides a kind of flue gas processing device based on energy matter allotment, device each processing units provided by the invention
Reasonable, stable, high degree of automation is configured, the flue gas of scale processing boiler emission is suitble to.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of flue gas processing device that the embodiment of the present invention 1 provides, in figure, the first evaporator of 1-, and 2-
Wet desulfuration tower, the second evaporator of 3-, the first condenser of 4-, 5- chimney, 6- compressor, 7- electric expansion valve, 8- second are condensed
Device, 9- pressure fan, the first by-passing valve of 10-, the second by-passing valve of 11-, 12- third by-passing valve, 13- condensate collector.
Specific embodiment
The present invention provides a kind of flue gas processing methods based on energy matter allotment, comprising the following steps:
Flue gas to be processed and the first working medium are subjected to the first heat exchange, obtain the first flue gas；
First flue gas is subjected to wet desulphurization, obtains the second flue gas；
Second flue gas and the second working medium are subjected to the second heat exchange, obtain third flue gas；
It is discharged after the third flue gas is heated；
First working medium is identical as the composition of the second working medium, and first working medium obtains after being heated up by second working medium
It arrives.
In the present invention, first working medium is preferably heat pump fluid, more preferably Binary mixtures, and the binary is mixed
It closes working medium and preferably includes R142b/R32, R1234ze/R32, R142b/R290 or R1234ze/R290.In the present invention, described
First working medium is not directly contacted with flue gas to be processed, and heat exchange is carried out preferably in evaporator, and the first working medium can be absorbed wait locate
The waste heat for managing flue gas, cools down to flue gas, and the flue gas after cooling reduces a possibility that band water mist in desulfurizing tower, is conducive to flue gas
Desulfurization, can be improved the desulfuration efficiency of subsequent flue gas.
In the present invention, second working medium is not directly contacted with the second flue gas, and heat exchange is carried out preferably in evaporator,
Second working medium absorbs the heat of the second flue gas, further decreases the temperature of flue gas, the vapor condensation in the second flue gas, together
When sweep along flue dust, gypsum particle condensation aggregation, play liquid film dust removing effects, reduce dust concentration and water content in flue gas, collection
The moisturizing that condensed water can be used as wet desulfurizing process uses.
Flue gas to be processed and the first working medium are carried out the first heat exchange by the present invention, obtain the first flue gas.The present invention is to described
Flue gas to be processed does not have special requirement, in a specific embodiment of the present invention, it is preferred to use the flue gas of boiler emission, it is described to
The temperature for handling flue gas is preferably 100 DEG C or more；The temperature of first flue gas is preferably 60~100 DEG C.
In the present invention, after the flue gas to be processed and the first working medium carry out the first heat exchange, the gasification of the first working medium is obtained
Third working medium.The present invention makes the heat in flue gas be transferred to third using the heat exchange between the first working medium and flue gas to be processed
In working medium.The present invention preferably compresses the third working medium, obtains the 4th working medium.In the present invention, it is preferred to described in utilizing
4th working medium heats the third flue gas, gives the heat transfer in the 4th working medium to the third flue gas, while the 4th
Working medium cooling is converted into the 5th working medium.
In the present invention, after obtaining the 5th working medium, the 5th working medium is preferably first carried out third heat exchange by the present invention, the
Five working medium become the 6th working medium by cooling；6th working medium obtains the second working medium after throttling, in the second heat exchange.
In the third heat exchanging process, cold water is heated using the heat of the 5th working medium, obtains hot water；The hot water is used for
Preboiler water supply meets plant area's domestic hot-water's demand or for heating.
In the present invention, first working medium, third working medium, the 4th working medium, the composition phase of the 5th working medium and the 6th working medium
Together；First working medium and the 5th working medium are preferably gas-liquid mixed state, and second working medium and the 6th working medium are preferred
For liquid, the third working medium and the 4th working medium are preferably gaseous state.
After obtaining the first flue gas, first flue gas is carried out wet desulphurization by the present invention, obtains the second flue gas.The present invention couple
The specific method of the wet desulphurization does not have special restriction, using the wet desulphurization method of this field routine.In this hair
In bright, after wet desulphurization, the humidity in flue gas increases the first flue gas, obtains the second flue gas.In the present invention, described second
The temperature of flue gas is preferably 50 DEG C or more.
After obtaining the second flue gas, second flue gas and the second working medium are carried out the second heat exchange by the present invention, obtain first
Working medium, in first heat exchange.In the present invention, the temperature of the third flue gas is preferably 40 DEG C or more.The present invention
It is converted by the first working medium and the second working medium, realizes the recycling of working medium, can achieve the purpose that Mist heat recovering, simultaneously
The waste of working medium is avoided, production cost is saved.
After obtaining third flue gas, the present invention discharges after heating the third flue gas.In the present invention, the heating
Temperature be preferably 80 DEG C or more, more preferably 80~100 DEG C.The present invention is preferably by the 4th working medium described previously to described
Three flue gases are heated, and the present invention, which carries out heating to flue gas before flue gas is discharged, can be avoided residual moisture condensation analysis in flue gas
Out, it and then realizes while carrying out desulfurization using wet desulfurizing process, it is white to achieve the purpose that flue gas dehumidifying disappears.
The present invention also provides a kind of flue gas processing devices based on energy matter allotment, including
First evaporator 1；
The wet desulfuration tower 2 being connected to the exhanst gas outlet of first evaporator 1；
The second evaporator 3 being connected to the gas outlet of the wet desulfuration tower 2；
The first condenser 4 being connected to the exhanst gas outlet of second evaporator 3.
Processing unit provided by the invention includes the first evaporator 1.In the present invention, first evaporator 1 be used for into
Row first heat exchange；The present invention restriction not special for first evaporator 1 can guarantee that first heat is handed over
It changes and goes on smoothly.
As an embodiment of the present invention, the flue gas to be processed for carrying out first heat exchange is entered by pressure fan 9
First evaporator 1, the present invention do not have special restriction to the flow of the flue gas to be processed, the size phase with the first evaporator 1
Matching, specifically, needing to select the first relatively large sized evaporator 1 in the case that flue gas flow to be processed is big；To
In the case that processing flue gas flow is small, relatively small first evaporator 1 of size is selected.
Processing unit provided by the invention includes the wet desulfuration tower 2 being connected to the exhanst gas outlet of first evaporator 1.
In the present invention, the wet desulfuration tower 2 is used to remove the sulfur-containing compound in flue gas；The present invention is to the wet desulfuration tower 2
There is no special restriction, can guarantee the desulfurization effect of flue gas.
As an embodiment of the present invention, the first by-passing valve is additionally provided between the pressure fan 9 and wet desulfuration tower 2
10, first by-passing valve 10 is used for the maintenance of the first evaporator 1.In a specific embodiment of the present invention, it is evaporated when to first
When device is overhauled, after opening the first by-passing valve, flue gas is flowed through through the first by-passing valve, can be the case where not influencing flue gas emission
Under, the first evaporator is overhauled.
Processing unit provided by the invention includes the second evaporator 3 being connected to the gas outlet of the wet desulfuration tower 2.?
In the present invention, second evaporator 3 is for carrying out second heat exchange；The present invention does not have second evaporator 3
Special restriction can guarantee that second heat exchange is gone on smoothly.
As an embodiment of the present invention, the processing unit further includes and the bottom outside second evaporator 3
Connected condensate collector 13.In the present invention, the condensate collector 13 is for collecting in the second heat exchanging process, cigarette
The water of vapor condensation in gas.In the present invention, the condensed water collected in the condensate collector 13 can be used as wet
Supplement in method sulfur removal technology.
Processing unit provided by the invention includes the first condenser 4 being connected to the exhanst gas outlet of second evaporator 3.
In the present invention, first condenser 4 is exchanged for heat, and third flue gas is made to absorb the 4th working medium in the first condenser 4
Heat, be warming up to 80 DEG C or more, then discharge.
As an embodiment of the present invention, the processing unit further includes chimney 5, the chimney 5 and described first cold
The exhanst gas outlet of condenser 4 is connected to, and flue gas after treatment is discharged by chimney 5.
As an embodiment of the present invention, it is additionally provided with by the of second between the wet desulfuration tower 2 and the first condenser 4
Port valve 11, second by-passing valve 11 are used for the maintenance of the second evaporator 3.In a specific embodiment of the present invention, when to second
When evaporator is overhauled, after opening the second by-passing valve, flue gas is flowed through through the second by-passing valve, can not influence flue gas emission
In the case of, the second evaporator is overhauled.
As an embodiment of the present invention, third by-passing valve is additionally provided between second evaporator 3 and chimney 5
12, the third by-passing valve 12 is used for the maintenance of the first condenser 4.In a specific embodiment of the present invention, it is condensed when to first
When device is overhauled, after opening third by-passing valve, flue gas is flowed through through third by-passing valve, can be the case where not influencing flue gas emission
Under, the first condenser is overhauled.
It as an embodiment of the present invention, further include compressor 6, electric expansion valve 7 and the second condenser 8, the pressure
The working medium entrances of contracting machine 6 are connected to the sender property outlet of first evaporator 1, the sender property outlet of the compressor 6 and described the
The working medium entrances of one condenser 4 are connected to；The sender property outlet of the working medium entrances of second condenser 8 and first condenser 4
Connection, the sender property outlet of second condenser 8 are connected to the working medium entrances of the electric expansion valve 7；The electric expansion valve 7
Sender property outlet be connected to the working medium entrances of the second evaporator 3.
As an embodiment of the present invention, first working medium carries out the first heat exchange in the first evaporator 1, absorbs
Gasify after the heat of flue gas to be processed, obtains third working medium；The third working medium enters compressor 6, becomes through the compression of compressor 6
4th working medium；4th working medium enters the first condenser 4, transfers heat to the third flue gas, flue-gas temperature is increased to 80
DEG C or more, obtain the 5th working medium；5th working medium enters the second condenser 8 and carries out third heat exchange, utilizes the 5th working medium
Heat heats cold water, obtains hot water, the hot water for preboiler water supply or meet plant area's domestic hot-water's demand or
For heating, while the realization of the 5th working medium cools down again, obtains the 6th working medium；6th working medium passes through 7 section of electric expansion valve
Stream, becomes the second working medium, into the second evaporator 3；After second working medium carries out the second heat exchange in the second evaporator 3, inhale
The heat for receiving the second flue gas obtains the first working medium, for being recycled in first heat exchange.
Below in conjunction with the embodiment in the present invention, the technical solution in the present invention is clearly and completely described.It is aobvious
So, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on the reality in the present invention
Example is applied, every other embodiment obtained by those of ordinary skill in the art without making creative efforts all belongs to
In the scope of protection of the invention.
Embodiment 1
Capacity is the boiler of 130t/h, and the flow of flue gas to be processed is about 180842Nm3/ h, temperature are 120 DEG C；Pass through
After one evaporator 1, temperature is reduced to 100 DEG C, obtains the first flue gas, the first working medium R142b/R32 absorbed in the first evaporator 1 to
The heat for handling flue gas is about 1318kW, obtains third working medium R142b/R32；First flue gas, which enters in wet desulfuration tower 2, to carry out
Desulfurization, obtains the second flue gas, and the temperature of the second flue gas is 50 DEG C；Third working medium R142b/R32 after compressor 6 is compressed,
The 4th working medium R142b/R32 is obtained, into the first distiller 4；
Second flue gas enters the second evaporator 3 and the second working medium R142b/R32 carries out the second heat exchange, obtains third cigarette
Gas, while the first working medium R142b/R32 is obtained, into the first heat exchange is carried out in the first evaporator 1, the temperature of third flue gas is
40℃；
The third flue gas come out from the second evaporator 3 enters in the first condenser 4, absorbs the 4th working medium R142b/R32 heat
Amount temperature is increased to 80 DEG C, by 5 drain chamber of chimney outside, eliminate white cigarette；The 4th working medium R142b/R32 becomes the 5th working medium simultaneously
R142b/R32；The 5th working medium R142b/R32 enters the second condenser 8 and carries out third heat exchange, utilizes the 5th working medium
The heat of R142b/R32 heats cold water, obtains hot water, the hot water is for preboiler water supply or meets plant area's life
Hot water demand or for heating, while the 5th working medium R142b/R32 realization cools down again, obtains the 6th working medium R142b/R32；Institute
It states the 6th working medium R142b/R32 to throttle by electric expansion valve 7, the second working medium R142b/R32 is converted into, into the second evaporator
In 3.
Using it is provided by the invention based on can matter allotment flue gas processing method can reach recovered flue gas moisture, recycling it is wet
Fume afterheat and flue gas take off white triple purposes before and after method desulfurization, have great energy-saving potential and economic benefit.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (10)
1. a kind of flue gas processing method based on energy matter allotment, which comprises the following steps:
Flue gas to be processed and the first working medium are subjected to the first heat exchange, obtain the first flue gas；
First flue gas is subjected to wet desulphurization, obtains the second flue gas；
Second flue gas and the second working medium are subjected to the second heat exchange, obtain third flue gas；
It is discharged after the third flue gas is heated；
First working medium is identical as the composition of the second working medium, and first working medium obtains after being heated up by second working medium.
2. processing method according to claim 1, which is characterized in that the flue gas to be processed and the first working medium carry out first
After heat exchange, the first working medium gasifies, and obtains third working medium；
The third working medium is compressed, the 4th working medium is obtained；
The third flue gas is heated using the 4th working medium, obtains the 5th working medium；
5th working medium carries out heat release, obtains the 6th working medium；
6th working medium obtains the second working medium after throttling, in the second heat exchange.
3. processing method according to claim 1, which is characterized in that second flue gas and the second working medium carry out the second heat
After exchange, the first working medium is obtained, the first obtained working medium is in first heat exchange.
4. processing method according to claim 1, which is characterized in that the temperature of the heating is 80 DEG C or more.
5. processing method according to any one of claims 1 to 4, which is characterized in that first working medium, third working medium,
4th working medium, the 5th working medium are identical with the composition of the 6th working medium；First working medium and the 5th working medium are gas-liquid mixed state,
Second working medium and the 6th working medium are liquid, and the third working medium and the 4th working medium are gaseous state；First work
Matter is Binary mixtures；The Binary mixtures include R142b/R32, R1234ze/R32, R142b/R290 or
R1234ze/R290。
6. a kind of flue gas processing device based on energy matter allotment, which is characterized in that including
First evaporator (1)；
The wet desulfuration tower (2) being connected to the exhanst gas outlet of first evaporator (1)；
The second evaporator (3) being connected to the gas outlet of the wet desulfuration tower (2)；
The first condenser (4) being connected to the exhanst gas outlet of second evaporator (3).
7. processing unit according to claim 6, which is characterized in that further include compressor (6), electric expansion valve (7) and
Second condenser (8), the working medium entrances of the compressor (6) are connected to the sender property outlet of first evaporator (1), the pressure
The sender property outlet of contracting machine (6) is connected to the working medium entrances of first condenser (4)；The working medium of second condenser (8) enters
Mouth is connected to the sender property outlet of first condenser (4), the sender property outlet and the electronic expansion of second condenser (8)
The working medium entrances of valve (7) are connected to；The sender property outlet of the electric expansion valve (7) is connected to the working medium entrances of the second evaporator (3).
8. processing unit according to claim 6, which is characterized in that further include chimney (5), the chimney (5) with it is described
The exhanst gas outlet of first condenser (4) is connected to.
9. processing unit according to claim 6, which is characterized in that further include the first by-passing valve (10), the second by-passing valve
(11) it is set between pressure fan (9) and the wet desulfuration tower (2) with three by-passing valves (12), first by-passing valve (10)；
Second by-passing valve (11) is set between the wet desulfuration tower (2) and the first condenser (4)；Three by-passing valve (12)
It is set between second evaporator (3) and chimney (5).
10. processing unit according to claim 6, which is characterized in that further include condensate collector (13), the condensation
Water collector (13) the setting bottom external in second evaporator (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910409507.5A CN109966887B (en) | 2019-05-17 | 2019-05-17 | Energy quality allocation-based flue gas treatment method and device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910409507.5A CN109966887B (en) | 2019-05-17 | 2019-05-17 | Energy quality allocation-based flue gas treatment method and device |
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| Publication Number | Publication Date |
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| CN109966887A true CN109966887A (en) | 2019-07-05 |
| CN109966887B CN109966887B (en) | 2021-06-11 |
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| CN113494717A (en) * | 2021-05-26 | 2021-10-12 | 长春国信新城供热工程有限公司 | Novel heating system |
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