Utility model content
It is wet for handling catalytic cracking the main purpose of the utility model is to provide a kind of processing equipment of coloured plume
The coloured plume that method desulfurization generates, wherein the processing equipment includes:
Heat exchanger, receives air and coloured plume to be processed, and the heat exchanger to be processed has by the air to described
Color plume cools down;
Desulfurizing tower is connected to the heat exchanger, is stored with desulfurizing agent in the desulfurizing tower;
Cooler, is connected to the desulfurizing tower, and the cooler is exported again after cooling down to the desulfurizing agent to described
Desulfurizing tower, the desulfurizing agent after cooling obtain first after being reacted in the desulfurizing tower with the coloured plume to be processed
Purifying smoke, first purifying smoke are discharged by the desulfurizing tower.
Above-mentioned processing equipment, wherein the desulfurizing tower has outlet flue, is equipped with smoke discharging pipe on the outlet flue,
The processing equipment further includes cigarette sky mixer, and the cigarette sky mixer is installed in the smoke discharging pipe, the cigarette sky mixing
Device is connected to the heat exchanger, and the cigarette sky mixer receives the air after the heat exchange of the heat exchanger output and described the
The second purifying smoke is exported after one purifying smoke, second purifying smoke is discharged by the smoke discharging pipe.
Above-mentioned processing equipment, wherein the processing equipment further includes air blower, and the air blower is connected to the heat exchange
Device, the air blower export the air to the heat exchanger.
Above-mentioned processing equipment, wherein the processing equipment further includes circulating pump, and the circulating pump is connected to the desulfurization
Tower and the cooler, the desulfurizing agent are exported by the circulating pump to the cooler.
Above-mentioned processing equipment, wherein the cooler is slurries cooler.
Above-mentioned processing equipment, wherein the temperature of first purifying smoke is lower than the temperature of second purifying smoke.
Above-mentioned processing equipment, wherein the temperature of the air after the heat exchange of heat exchanger output is higher than described the
The temperature of one purifying smoke.
Above-mentioned processing equipment, wherein the heat exchanger is flue gas cool-down heat exchanger.
Above-mentioned processing equipment, wherein the processing equipment further includes cooling water circulating device, the cooling water circulation dress
It sets and is connected to the cooler, the cooling water circulating device output recirculated cooling water carries out heat exchange cooling, institute to the desulfurization
It states cooling water circulating device while recycling the recirculated cooling water after use.
Above-mentioned processing equipment, wherein further include electric heater, the electric heater is connected to the air blower and described
Heat exchanger, the air that the electric heater exports the air blower are heated to being exported again after the first temperature to the heat exchange
Device.
Above-mentioned processing equipment, wherein further include vapor heat exchanger, the vapor heat exchanger be connected to the air blower and
The heat exchanger is changed after the vapor heat exchanger receives the air of the air blower output by steam and the air
Heat exports after improving the air to the first temperature again to the heat exchanger.
Above-mentioned processing equipment, wherein further include:
Air preheater, is connected to the air blower and the heat exchanger, and the air preheater receives the air blower
It is defeated again after improving the air to the first temperature the air heat-exchange by heating agent recirculated water after the air of output
Out;
Second heat exchanger is connected between the heat exchanger and the desulfurizing tower, and air is stated in the second heat exchanger reception
After the heating agent recirculated water after the heat exchange of preheater output, the heat exchanger is exported by the heating agent recirculated water cooling
The coloured plume to be processed afterwards exports after cooling down again to the desulfurizing tower.
Above-mentioned processing equipment, wherein further include: air preheater is connected to the air blower, the cigarette sky mixer
And the heat exchanger, after the air preheater receives the air of the air blower output, by heating agent recirculated water to institute
It is exported again after stating air heat-exchange to the cigarette sky mixer, the air preheater exports the heating agent recirculated water to the heat exchange
Device, the heat exchanger also pass through the heating agent recirculated water and cool down to the coloured plume to be processed.
The utility model also provides a kind of processing method of coloured plume, for handling catalytic cracking wet desulphurization generation
Coloured plume, wherein the treating method comprises:
Step 1: after being cooled down by air to coloured plume to be processed by heat exchanger in output to desulfurizing tower;
Step 2: exported again after being cooled down by cooler to the desulfurizing agent agent in the desulfurizing tower to the desulfurizing tower
It is interior;
Step 3: the desulfurizing agent after cooling is with the coloured plume to be processed after being reacted in the desulfurizing tower
The first purifying smoke is obtained, first purifying smoke is discharged by the desulfurizing tower.
Above-mentioned processing method, wherein the desulfurizing tower has outlet flue, is equipped with smoke discharging pipe on the outlet flue,
The cigarette sky mixer is installed in the smoke discharging pipe, and the cigarette sky mixer is connected to the heat exchanger, the processing side
Method further includes step 4: the air and described first after receiving the heat exchange of the heat exchanger output by the cigarette sky mixer
The second purifying smoke is exported after purifying smoke, second purifying smoke is discharged by the smoke discharging pipe.
Above-mentioned processing method, wherein in Yu Suoshu step 1, the air is exported to the heat exchanger by air blower.
Above-mentioned processing method, wherein in Yu Suoshu step 2, the desulfurizing agent is exported by circulating pump to the cooling
In device.
Above-mentioned processing method, wherein in Yu Suoshu step 2, the cooler is slurries cooler.
Above-mentioned processing method, wherein the temperature of first purifying smoke is lower than the temperature of second purifying smoke.
Above-mentioned processing method, wherein the temperature of the air after the heat exchange of heat exchanger output is higher than described the
The temperature of one purifying smoke.
Above-mentioned processing method, wherein the heat exchanger is flue gas cool-down heat exchanger.
Above-mentioned processing method, wherein the processing equipment further includes cooling water circulating device, the cooling water circulation dress
Set and be connected to the cooler, in Yu Suoshu step 2, cooling water circulating device output recirculated cooling water to the desulfurization into
Row heat exchange cooling, the cooling water circulating device recycle the recirculated cooling water after use simultaneously.
Above-mentioned processing method, wherein further include being heated to after the first temperature again to the air in Yu Suoshu step 1
It exports to the heat exchanger.
The utility model has the characteristics that and effect: the processing equipment and method of the coloured plume of the utility model are in reality
Shi Zhong, very small to the revamping workload of desulfurizing tower, improvement cost is small, and substantially shortens the transformation duration.
Specific embodiment
It is related to the detailed description and technology contents of the utility model, now just cooperation schema is described as follows:
Referring to FIG. 1, Fig. 1 is the structural schematic diagram of the coloured plume processing equipment first embodiment of the utility model.Such as Fig. 1
It is shown, the coloured plume processing equipment of the utility model, for handling the coloured plume of catalytic cracking wet desulphurization generation, processing
Equipment includes: heat exchanger 11, desulfurizing tower 12, cooler 13;Heat exchanger 11 receives air and coloured plume to be processed, heat exchanger 11
Cooled down by air to coloured plume to be processed;Desulfurizing tower 12 is connected to heat exchanger 11, is stored with desulfurization in desulfurizing tower 12
Agent 121;Cooler 13 is connected to the bottom of desulfurizing tower 12, and cooler 13 is exported again after cooling down to desulfurizing agent 121 to desulfurization
In tower 12, the desulfurizing agent after cooling obtains the first purifying smoke with coloured plume to be processed after being reacted in desulfurizing tower 12,
First purifying smoke is discharged by desulfurizing tower 12.Wherein, in the present embodiment, heat exchanger 12 is flue gas cool-down heat exchanger, but this
Utility model is not limited thereto.
Further, desulfurizing tower 12 has outlet flue 122, is equipped with smoke discharging pipe 14 on outlet flue 122, processing equipment is also
Including cigarette sky mixer 15, cigarette sky mixer fills 15 and is set in smoke discharging pipe 14 and close to outlet flue 122, the company of cigarette sky mixer 15
Heat exchanger 11 is passed through, cigarette sky mixer 15 exports after receiving air and the first purifying smoke after the heat exchange that heat exchanger 11 exports
Second purifying smoke, the second purifying smoke are discharged by smoke discharging pipe 14.
It is worth noting that, in the present embodiment, the temperature of the first purifying smoke is lower than the temperature of the second purifying smoke, with
And the temperature of the air after the heat exchange of the output of heat exchanger 11 is higher than the temperature of the first purifying smoke.
Still further, processing equipment further includes air blower 16, air blower 16 is connected to heat exchanger 11, and air blower 16 exports
Air is to heat exchanger 11.
Further, processing equipment further includes circulating pump 17, and circulating pump 17 is connected to the liquid outlet of 12 bottom of desulfurizing tower
123 and cooler 13, desulfurizing agent 121 is exported by circulating pump 17 to cooler 13.
Further, processing equipment further includes cooling water circulating device 18, and cooling water circulating device 18 is connected to cooling
Device 13, cooling water circulating device 18 exports recirculated cooling water and carries out heat exchange cooling to desulfurizing agent 121, while recycling following after use
Ring cooling water is being handled.Wherein, in the present embodiment, cooler 13 is slurries cooler, but the utility model is not with this
It is limited.
The course of work of the coloured plume processing equipment of the utility model, arrow direction in figure are illustrated below in conjunction with Fig. 1
For the transmission direction of gas or liquid.
Exchange heat firstly, coloured plume Y and air S to be processed enters in heat exchanger 11, coloured plume Y to be processed from
200 DEG C be cooled to 170 DEG C after desulfurizing tower 12 entered by the smoke inlet 124 of desulfurizing tower 12;Wherein air S is sent by air blower 16
Enter heat exchanger 12, air S is warming up to 120 DEG C from 15 DEG C;
Secondly, the desulfurizing agent 121 in desulfurizing tower 12 is sent by circulating pump 17 to cooler 13 and cooling water circulating device 18
Output recirculated cooling water exchanges heat, and the temperature of desulfurizing agent 121 is cooled to 45 DEG C from 60 DEG C, and the temperature of recirculated cooling water is from 20
DEG C it is warming up to 30 DEG C.Desulfurizing agent 121 after cooling is entered in desulfurizing tower 12 by the inlet 125 of desulfurizing tower 12, after cooling
Desulfurizing agent 121 is by the coloured plume Y haptoreaction to be processed after spray and cooling, thus by the temperature of coloured plume Y to be processed
Degree is cooled to 45 DEG C by 170 DEG C and obtains the first purifying smoke that temperature is 45 DEG C;
Finally, the first purifying smoke that temperature is 45 DEG C enters cigarette sky mixer 15, while heat exchanger by smoke outlet 122
Air to cigarette sky mixer 15, the first purifying smoke Y1 and warm to 120 DEG C of the air that 12 outputs are warming up to 120 DEG C passes through cigarette
Empty mixer 15 mixes, and the second purifying smoke Y2 that formation temperature is 60 DEG C is discharged by smoke discharging pipe 14.
Referring to figure 2., Fig. 2 is the structural schematic diagram of the coloured plume processing equipment second embodiment of the utility model.Fig. 2 institute
The processing equipment shown is roughly the same with the structure of processing equipment shown in fig. 1, therefore details are not described herein again for same section,
Now different piece is described as follows.As shown in Fig. 2, coloured plume processing equipment further includes electric heater 19, electric heater 19 connects
Air blower 16 and heat exchanger 11 are passed through, the air S that air blower 16 exports is heated to exporting again after the first temperature by electric heater 19
It is and to be processed wherein in the present embodiment, the first temperature is 70 DEG C, and 70 DEG C of air S is exported to heat exchanger 11 to heat exchanger 11
Coloured plume Y exchanges heat, coloured plume Y to be processed from 200 DEG C be cooled to 170 DEG C after by the smoke inlet 124 of desulfurizing tower 12
Into desulfurizing tower 12, but the utility model is not limited thereto.
Referring to figure 3., Fig. 3 is the structural schematic diagram of the coloured plume processing equipment 3rd embodiment of the utility model, Fig. 3 institute
The processing equipment shown is roughly the same with the structure of processing equipment shown in fig. 1, therefore details are not described herein again for same section,
Now different piece is described as follows.As shown in figure 3, coloured plume processing equipment further includes vapor heat exchanger 20, vapor heat exchanger
20 are connected to air blower 16 and heat exchanger 11, after vapor heat exchanger 20 receives the air S that air blower 16 exports, by steam Z with
Air S heat exchange is exported again after improving air to the first temperature to heat exchanger 11, wherein in the present embodiment, the first temperature is 70
DEG C, 70 DEG C of air S is exported to heat exchanger 11, is exchanged heat with coloured plume Y to be processed, and coloured plume Y to be processed is from 200 DEG C
Desulfurizing tower 12 is entered by the smoke inlet 124 of desulfurizing tower 12 after being cooled to 170 DEG C, but the utility model is not limited thereto.
Referring to figure 4., Fig. 4 is the structural schematic diagram of the coloured plume processing equipment fourth embodiment of the utility model.Fig. 4 institute
The processing equipment shown is roughly the same with the structure of processing equipment shown in fig. 1, therefore details are not described herein again for same section,
Now different piece is described as follows.As shown in figure 4, coloured plume processing equipment further includes air preheater 21 and the second heat exchanger
22;Air preheater 21 is connected to air blower 16 and heat exchanger 11, and air preheater 21 receives the air S that air blower 16 exports
Afterwards, it is exported again after improving air S to the first temperature by heating agent recirculated water R and air S heat exchange;Second heat exchanger 22 is connected to
Between heat exchanger 11 and desulfurizing tower 12, the second heat exchanger 22 receives the heating agent recirculated water R after the heat exchange that air preheater 21 exports
Afterwards, the coloured plume Y to be processed after the cooling exported by heating agent recirculated water R heat exchanging device 11 is exported after cooling down again to desulfurization
Tower.
Specifically, air S is sent into air preheater 21 by air blower 16 and heating agent recirculated water R exchanges heat, air
S is warming up to 70 DEG C from 20 DEG C, and the first temperature is 70 DEG C, and the heating agent recirculated water R after heat exchange is 95 DEG C;Then heat exchanger 11 is entered back into
It exchanges heat afterwards with coloured plume Y to be processed, coloured plume Y to be processed is cooled to 185 DEG C from 200 DEG C;185 DEG C to be processed
Coloured plume Y enters the second heat exchanger 22, while 95 DEG C of heating agent recirculated water R also enters the heating agent of 22,95 DEG C of the second heat exchanger
After recirculated water R and 185 DEG C of coloured plume Y to be processed is exchanged heat again, heating agent recirculated water R is warming up to 105 DEG C, and to be processed
Coloured plume Y from 200 DEG C be cooled to 170 DEG C after desulfurizing tower 12 entered by the smoke inlet 124 of desulfurizing tower 12.
Further, in the present embodiment further include second circulation pump 23, be connected to air preheater 21 and the second heat exchange
Device 22 recycles heating agent recirculated water R between air preheater 21 and the second heat exchanger 22 by second circulation pump 23.
It is worth noting that, although the utility model discloses the temperature value of flue gas and air, but the utility model
It is not limited thereto.
It, can be to avoid the acid corrosion of heat exchanger by being exported again after being heated to air to heat exchanger.Because working as smoke temperature
Or wall temperature of heated surface, when being reduced to acid dew point or less, the SO3 in coloured plume to be processed starts condensation and generates sulfuric acid, is attached to and changes
Cause to corrode on hot device.Cold air and coloured plume to be processed are directly exchanged heat, heat exchanger wall temperature of heated surface can be made lower than acid dew
Point leads to serious acid corrosion.This problem will be avoided using exchanging heat again with coloured plume to be processed after suitably heating air;Together
Shi Caiyong heating agent recirculated water cycle heat exchange between the second heat exchanger 22 and air preheater 21 does not need additional pre- thermal energy consumption,
Energy-saving effect is significant.
Referring to figure 5., Fig. 5 is the structural schematic diagram of coloured the 5th embodiment of plume processing equipment of the utility model.Fig. 5 institute
The processing equipment shown is roughly the same with the structure of processing equipment shown in fig. 1, therefore details are not described herein again for same section,
Now different piece is described as follows.As shown in figure 5, coloured plume processing equipment further includes air preheater 21, air preheater
21 are connected to air blower 16, cigarette sky mixer 15 and heat exchanger 11, and air preheater 21 receives the air S that air blower 16 exports
Afterwards, by heating agent recirculated water R to being exported again after air S heat exchange to cigarette sky mixer 15, air preheater 21 exports heating agent circulation
Water R also cools down to coloured plume Y to be processed by heating agent recirculated water R to heat exchanger 11, heat exchanger 11.It is worth explanation
It is that in the present embodiment, the air S that air preheater 21 exports is exported to cigarette sky mixer 15, i.e., without output to heat exchanger
11, but the utility model is not limited thereto, and in other embodiments, the air S that air preheater 21 exports also may be output to
Cigarette sky mixer 15 and heat exchanger 11.
Further, in the present embodiment further include second circulation pump 23, be connected to air preheater 21 and heat exchanger 11,
By second circulation pump 23 heating agent recirculated water R is recycled between air preheater 21 and heat exchanger 11.
Specifically, coloured plume Y to be processed first passes through heat exchanger 11 and circulation heat medium water R exchanges heat, it is to be processed to have
Color plume Y from 200 DEG C be cooled to 170 DEG C after enter desulfurizing tower 12, carry out desulfurization and dedusting.Air S is sent by air blower 16
Air preheater 21 and heating agent recirculated water R exchange heat, and air S is warming up to 100 DEG C from 20 DEG C, are then sent to cigarette sky mixer
15 mix in the first purifying smoke Y1.Heating agent recirculated water R by second circulation pump 23 heat exchanger 11 and air preheater 21 it
Between cycle heat exchange, second circulation pump 23 outlet heating agent recirculated water R temperature be 90 DEG C, into heat exchanger 11 and coloured cigarette to be processed
110 DEG C are warming up to after plumage Y heat exchange, the air S heat exchange that air preheater 21 and air blower 16 export then is entered back into and is cooled to 90
DEG C, it is then sent by second circulation pump 23 to cigarette sky mixer 15, is so recycled again.
Fig. 6 is please referred to, Fig. 6 is the flow chart of the coloured plume processing method of the utility model.The utility model as shown in Figure 6
Coloured plume processing method is used to handle the coloured plume of catalytic cracking wet desulphurization generation, and processing method includes:
Step S1: after being cooled down by air to coloured plume to be processed by heat exchanger in output to desulfurizing tower;Its
In, in step 1, pass through air blower delivery air to heat exchanger;
Step S2: it is exported again to desulfurizing tower after being cooled down by cooler to the desulfurizing agent agent in the desulfurizing tower;
Wherein, in step 2, desulfurizing agent is exported by circulating pump to cooler;
Step S3: the desulfurizing agent after cooling obtains the first purification with coloured plume to be processed after being reacted in desulfurizing tower
Flue gas, the first purifying smoke are discharged by desulfurizing tower.
Further, desulfurizing tower 12 has outlet flue 122, is equipped with smoke discharging pipe 14, cigarette sky mixer on outlet flue 122
15 are installed in smoke discharging pipe 14, and cigarette sky mixer 15 is connected to heat exchanger 11, the processing method further include: step S4: logical
The second purifying smoke is exported after crossing air and the first purifying smoke after cigarette sky mixer receives the heat exchange that heat exchanger exports, second is net
Change flue gas to be discharged by smoke discharging pipe.
Still further, processing equipment further includes cooling water circulating device 18, cooling water circulating device 18 is connected to cooling
Device 13, in step 2, cooling water circulating device 18 exports recirculated cooling water and carries out heat exchange cooling, cooling water circulation dress to desulfurization
It sets 13 while recycling the recirculated cooling water after use.
In the present embodiment, with heat exchanger 11 for flue gas cool-down heat exchanger, cooler 13 is that slurries cooler is preferable
Embodiment, but the utility model is not limited thereto.
Further, the temperature of the first purifying smoke is lower than the temperature of the second purifying smoke;What heat exchanger 11 exported changes
The temperature of air after heat is higher than the temperature of the first purifying smoke.
Further, it further include being exported after being heated to the first temperature to the air of air blower output in step 1
To heat exchanger.
In conclusion the utility model integrally reduces running temperature and humidity in desulfurizing tower, desulfurizing tower can effectively reduce
Interior moisture loss;It is transformed on original desulfurizing agent pipeloop, improvement cost very small to the revamping workload of desulfurizing tower
It is small, and substantially shorten the transformation duration;Simultaneously desulfurizing agent indirectly to flue gas carry out cooling condensation, again by hot-air directly and first is net
Change flue gas and carry out Hybrid Heating, does not need that flue gas condensing heat exchanger and reheater are arranged on tower top chimney, therefore do not need volume
External heat source heating, energy-saving effect are good.
The utility model is described in detail above, only as described above, only the one of the utility model is preferably real
Example is applied, when the range that cannot limit the utility model implementation.Impartial change i.e. made according to the scope of application of this utility model
Change and modify etc., it should still belong in the protection scope of the appended claims for the utility model.