CN205119109U - Flue gas recovery system - Google Patents
Flue gas recovery system Download PDFInfo
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- CN205119109U CN205119109U CN201520834622.4U CN201520834622U CN205119109U CN 205119109 U CN205119109 U CN 205119109U CN 201520834622 U CN201520834622 U CN 201520834622U CN 205119109 U CN205119109 U CN 205119109U
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- flue gas
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- recovery system
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Abstract
The utility model provides a flue gas recovery system, include the spray absorber who is connected with gas boiler, with the pipe of discharging fume that spray absorber connects, set up in discharge fume heat exchanger on the pipe, still include spray header and the sewage treatment ware be connected with spray absorber, just the heat exchanger still with the sewage treatment ware is connected. The utility model provides a flue gas recovery system can be to the heat make full use of in the flue gas to can carry out filtration treatment, system simple structure to the harmful components in the flue gas.
Description
Technical field
The utility model relates to off-gas recovery and utilizes technical field, particularly a kind of fume recovery system.
Background technology
Generally, the equipment such as gas fired-boiler can produce a large amount of high-temperature flue gas in the course of the work, high-temperature flue gas can directly be drained by usual people, the a large amount of heat energy contained in such high-temperature flue gas are discharged in air to be wasted, simultaneously, also there is a large amount of pernicious gas in high-temperature flue gas, directly discharge, pollution can be shone into atmospheric environment.In order to the heat in high-temperature flue gas can be made full use of, some producers adopt two levels of thermal to reclaim to realize heat in conjunction with the system of air source water heater and make full use of, but this system needs to reclaim tail wind when carrying out secondary recuperation of heat carries out mixed wind cooling, and system architecture is complicated, and cooling-down effect is not good; And, directly discharge in the condensed water that contains harmful ingredients produced after flue gas heat recovery, not only cause water pollutions, and water consumption is large; In addition, existing flue gas heat recovery device also requires that discharge flue-gas temperature should not be too high, if exhaust gas temperature is too high, will shorten service life and the heat exchange efficiency of heat exchanger.
Utility model content
Based on this, for solving the above problems, the utility model provides a kind of fume recovery system, can make full use of the heat in flue gas, and can carry out filtration treatment to the harmful components in flue gas, and system architecture is simple.
Its technical scheme is as follows:
A kind of fume recovery system, comprises the spray absorber be connected with gas fired-boiler, the smoke exhaust pipe be connected with described spray absorber, is arranged at the heat exchanger on described smoke exhaust pipe; Also comprise the spray header and apparatus for treating sewage that are connected with spray absorber, and described heat exchanger is also connected with described apparatus for treating sewage.
The high-temperature flue gas of discharging from gas fired-boiler, enters into spray absorber, and spray header supplies water to spray absorber, and spray absorber carries out spraying cooling to the high-temperature flue gas entered, and the heat in flue gas can be taken away, realizes one-level heat recovery.And, in spray process, the bad components in flue gas can be taken in shower water, recycle the apparatus for treating sewage be connected with spray absorber, the harmful components in shower water are processed, the harmful components even removed in shower water can be reduced.Flue gas through spray absorber process enters smoke exhaust pipe, and carries out secondary heat recovery through heat exchanger, and the heat in flue gas is supplied to domestic hot-water.And the condensed water produced in secondary heat exchange process can take away the harmful components in flue gas again, and by apparatus for treating sewage, process removal is carried out to the harmful components in condensed water.Thus can realize making full use of the heat of the high-temperature flue gas that flue gas boiler is discharged, and filtration treatment can be carried out to the harmful components in flue gas, avoid environment.
Below further technical scheme is described:
Further, described spray absorber comprises the shell structure be communicated with gas fired-boiler, from top to bottom be disposed with spray equipment in described shell structure, fill filtration and water tank, and described spray equipment is communicated with described spray header, described water tank is communicated with described apparatus for treating sewage.The spray equipment that spray header is arranged to spray absorber top supplies water, spray equipment is to the filling filtration water spray be arranged in the middle part of spray absorber, high-temperature flue gas enters the filling filtration in spray absorber, high-temperature flue gas and shower water fully contact filling in filtration, high-temperature flue gas and shower water is made to carry out heat exchange, and shower water can dissolve the pernicious gas composition in flue gas, be discharged to smoke exhaust pipe from spray absorber top after high-temperature flue gas obtains cooling.And shower water drops to after absorbing flue gas heat and harmful components in the water tank bottom spray absorber.And the shower water in water tank is transported in apparatus for treating sewage and carries out process removal to harmful components wherein, completes the purified treatment to the harmful components in high-temperature flue gas.
Further, also comprise the boiler pipe being communicated with gas fired-boiler and spray absorber, and described boiler pipe one end is between described water tank and described filling filtration.By boiler pipe, gas fired-boiler is connected with spray absorber, high-temperature flue gas is imported in spray absorber smoothly.And, further boiler pipe is arranged on water tank and fills between filtration, high-temperature flue gas is enable to pass completely through filling filtration, enable spray equipment spray to the shower water of filling filtration fully to filling the harmful components being distributed in the high-temperature flue gas of filling in filtration and carrying out heat exchange and draw in flue gas, and harmful components are flushed in water tank.
Further, described spray header comprises the filling pipe be communicated with described water tank, and is communicated with the circulating water pipe of described water tank and described spray equipment, and described apparatus for treating sewage is arranged on described circulating water pipe, and described circulating water pipe is also provided with water pump.By arranging circulating water pipe and water pump, the shower water in water tank can be drawn in apparatus for treating sewage and process, and can by process after water deliver to again in spray equipment to high-temperature flue gas carry out spray process, shower water is recycled.In addition, by arranging the filling pipe be connected with water tank, constantly can carry out moisturizing to water tank, ensure that the water temperature in water tank maintains under cryogenic, making the water temperature flowing to spray equipment lower, thus improve the efficiency of one-level heat recovery.
Further, also comprise the condensate ruturn pipe be communicated with described heat exchanger, and described condensate ruturn pipe is communicated with the described circulating water pipe be connected between described water tank and described apparatus for treating sewage.By condensate ruturn pipe the condensed water produced in heat exchanger is transported in apparatus for treating sewage and processes, to remove the harmful components in condensed water further.And, condensed water can be flowed to spray equipment and use, to reduce shower water initial temperature, improve the heat exchange efficiency of spray absorber.
Further, also comprise the blower fan be arranged in described smoke exhaust pipe, and described blower fan is between described heat exchanger and described spray absorber.Arrange blower fan by the smoke evacuation exit at spray absorber, the flue gas can strengthened through coagulation flow to heat exchanger from spray absorber, and removes from smoke exhaust pipe discharge cooling the gas getting harmful components.
Further, the end of described smoke exhaust pipe is provided with exhaust outlet.Finally, the harmless flue gas of low temperature is discharged by exhaust outlet.
The utility model has following beneficial effect:
1, heat can be supplied to domestic hot-water, realize the abundant recovery to heat in high-temperature flue gas, not only structure is simple but also reduce energy waste;
2, by condensed water is incorporated in circulating water pipe, and enter into after apparatus for treating sewage carries out the process of harmful components with the water in the water tank of spray absorber bottom simultaneously and spray again, not only improve the ability of shower water absorbing high temp harmful substances in flue gas, and condensed water is recycled, avoid causing water pollutions, saved with water;
3, taken away the harmful components in flue gas by shower water and condensed water for twice, ensure that the harmful components in high-temperature flue gas can thoroughly be removed; Avoid the pollution of pernicious gas to atmospheric environment;
4, by constantly carrying out moisturizing to spray absorber bottom water tank, ensure that the water temperature in the water tank of bottom maintains at low ambient temperatures, thus improving the efficiency of one-level heat recovery;
5, because the spray equipment in spray absorber is constantly lowered the temperature to flue gas, inner evaporation capacity is large, and the temperature of spray absorber inside can not be caused too high, so for the not requirement of discharge flue-gas temperature, greatly expand the scope of application of system.
Accompanying drawing explanation
Fig. 1 is the structural schematic block diagram of fume recovery system described in the utility model.
Description of reference numerals:
100-gas fired-boiler, 200-spray absorber, 201-boiler pipe, 210-spray equipment, 220-fills filtration, 230-water tank, 232-filling pipe, 234-water pump, 236-circulating water pipe, 300-apparatus for treating sewage, 400-smoke exhaust pipe, 410-blower fan, 420-exhaust outlet, 500-heat exchanger, 510-condensate ruturn pipe.
Detailed description of the invention
Below embodiment of the present utility model is described in detail:
As shown in Figure 1, a kind of fume recovery system, comprises the spray absorber 200 be connected with gas fired-boiler 100, and the smoke exhaust pipe 400 be connected with spray absorber 200 is arranged at the heat exchanger 500 on smoke exhaust pipe 400.The high-temperature flue gas of discharging from gas fired-boiler 100, enters into spray absorber 200, and spray absorber 200 carries out water spray heat exchange cooling to the high-temperature flue gas entered, and the heat in flue gas can be taken away, realizes one-level heat recovery.The flue gas processed through spray absorber 200 enters smoke exhaust pipe 400, and carries out secondary heat recovery through heat exchanger 500, and the heat in flue gas is supplied to domestic hot-water.The end of smoke exhaust pipe 400 is provided with exhaust outlet 420, the flue gas that the low temperature obtained after discharging process by exhaust outlet 420 is harmless.
And fume recovery system also comprises the spray header and apparatus for treating sewage 300 that are connected with spray absorber 200, and heat exchanger 500 is also connected with apparatus for treating sewage 300.In spray absorber 200 spray process, bad components in flue gas can be taken in shower water, recycle the apparatus for treating sewage 300 be connected with spray absorber 200, the harmful components in shower water are processed, the harmful components even removed in shower water can be reduced.And the condensed water produced in secondary heat exchange process can take away the harmful components in flue gas again, and carry out process removal by the harmful components in apparatus for treating sewage 300 pairs of condensed waters.Thus can realize making full use of the heat of the high-temperature flue gas that flue gas boiler 100 is discharged, and filtration treatment can be carried out to the harmful components in flue gas, avoid environment.
Further, above-mentioned spray absorber 200 comprises the shell structure be communicated with gas fired-boiler 100, from top to bottom be disposed with spray equipment 210 in shell structure, fill filtration 220 and water tank 230, and spray equipment 210 is communicated with spray header, water tank 230 is communicated with apparatus for treating sewage 300.The spray equipment 210 that spray header is arranged to spray absorber 200 top supplies water, spray equipment 210 is sprayed water to the filling filtration 220 be arranged in the middle part of spray absorber 210, high-temperature flue gas enters the filling filtration 220 in spray absorber 200, high-temperature flue gas and shower water fully contact filling in filtration 220, high-temperature flue gas and shower water is made to carry out heat exchange, and shower water can dissolve the pernicious gas composition in flue gas, be discharged to smoke exhaust pipe 400 from spray absorber 200 top after high-temperature flue gas obtains cooling.And shower water drops to after absorbing flue gas heat and harmful components in the water tank 230 bottom spray absorber 200.And the shower water in water tank 230 is transported in apparatus for treating sewage 300 and carries out process removal to harmful components wherein, completes the purified treatment to the harmful components in high-temperature flue gas.
Further, spray header comprises the filling pipe 232 be communicated with water tank 230, and the circulating water pipe 236 of joining water box 230 and spray equipment 210, and apparatus for treating sewage 300 is arranged on circulating water pipe 236, and circulating water pipe 236 is also provided with water pump 234.By arranging circulating water pipe 236 and water pump 234, shower water in water tank 230 can be drawn in apparatus for treating sewage 300 and process, and can by process after water deliver to again in spray equipment 210 to high-temperature flue gas carry out spray process, shower water is recycled.In addition, by arranging the filling pipe 232 be connected with water tank 230, constantly can carry out moisturizing to water tank 230, ensure that the water temperature in water tank 230 maintains under cryogenic, make the water temperature flowing to spray equipment 210 lower, thus improve the efficiency of one-level heat recovery.And, except utilizing circulating water pipe to aspirate shower water for except spray equipment 210 supplies water from water tank 230, also can directly utilize low temperature running water to supply water to spray equipment 210.And the clean water processed through apparatus for treating sewage 300 can directly be discharged.
In addition, fume recovery system also comprises the condensate ruturn pipe 510 be communicated with heat exchanger 500, and condensate ruturn pipe 510 is communicated with the circulating water pipe 236 be connected between water tank 230 and apparatus for treating sewage 300.By condensate ruturn pipe 510, the condensed water produced in heat exchanger 500 is transported in apparatus for treating sewage 300 and processes, to remove the harmful components in condensed water further.And, condensed water can be flowed to spray equipment 210 and use, to reduce shower water initial temperature, improve the heat exchange efficiency of spray absorber 200.
In addition, fume recovery system also comprises the boiler pipe 201 being communicated with gas fired-boiler 100 and spray absorber 200, and boiler pipe 201 one end is between water tank 230 and filling filtration 220.Be connected with spray absorber 200 by boiler pipe 201 pairs of gas fired-boilers 100, high-temperature flue gas is imported in spray absorber 200 smoothly.And, further boiler pipe 201 is arranged on water tank 230 and fills between filtration 220, high-temperature flue gas is passed completely through and fills filtration 220, enable spray equipment 210 spray to the shower water of filling filtration 220 fully to filling the harmful components being distributed in the high-temperature flue gas of filling in filtration 220 and carrying out heat exchange and draw in flue gas, and harmful components are flushed in water tank.
In addition, fume recovery system also comprises the blower fan 410 be arranged in smoke exhaust pipe 400, and blower fan 410 is between heat exchanger 500 and spray absorber 200.Arrange blower fan 410 by the smoke evacuation exit at spray absorber 200, the flue gas can strengthened through coagulation flow to heat exchanger 500 from spray absorber 200, and removes from smoke exhaust pipe 400 discharge cooling the gas getting harmful components.
The fume recovery system that the utility model provides, can be supplied in domestic hot-water by flue gas heat, thus realizes abundant recovery to heat in high-temperature flue gas, and not only structure is simple but also reduce energy waste; By condensed water being incorporated in circulating water pipe 236, and enter into after apparatus for treating sewage 300 carries out the process of harmful components with the water in spray absorber 200 bottom water tank 230 simultaneously and spray again, not only improve the ability of shower water absorbing high temp harmful substances in flue gas, and condensed water is recycled, avoid causing water pollutions, saved with water; Taken away the harmful components in flue gas by shower water and condensed water for twice, ensure that the harmful components in high-temperature flue gas can thoroughly be removed; Avoid the pollution of pernicious gas to atmospheric environment; By constantly carrying out moisturizing to spray absorber 200 bottom water tank 230, ensure that the water temperature in bottom water tank 230 maintains at low ambient temperatures, thus improving the efficiency of one-level heat recovery; Because the spray equipment 210 in spray absorber 200 is constantly lowered the temperature to flue gas, inner evaporation capacity is large, and the temperature of spray absorber 200 inside can not be caused too high, so for the not requirement of discharge flue-gas temperature, greatly expand the scope of application of system.
Each technical characteristic of the above embodiment can combine arbitrarily, for making description succinct, the all possible combination of each technical characteristic in above-described embodiment is not all described, but, as long as the combination of these technical characteristics does not exist contradiction, be all considered to be the scope that this description is recorded.
The above embodiment only have expressed several embodiment of the present utility model, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to utility model patent scope.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (7)
1. a fume recovery system, is characterized in that, comprises the spray absorber be connected with gas fired-boiler, and the smoke exhaust pipe be connected with described spray absorber is arranged at the heat exchanger on described smoke exhaust pipe;
Also comprise the spray header and apparatus for treating sewage that are connected with spray absorber, and described heat exchanger is also connected with described apparatus for treating sewage.
2. fume recovery system according to claim 1, it is characterized in that, described spray absorber comprises the shell structure be communicated with gas fired-boiler, from top to bottom be disposed with spray equipment in described shell structure, fill filtration and water tank, and described spray equipment is communicated with described spray header, described water tank is communicated with described apparatus for treating sewage.
3. fume recovery system according to claim 2, is characterized in that, also comprise the boiler pipe being communicated with gas fired-boiler and spray absorber, and described boiler pipe one end is between described water tank and described filling filtration.
4. fume recovery system according to claim 2, it is characterized in that, described spray header comprises the filling pipe be communicated with described water tank, and be communicated with the circulating water pipe of described water tank and described spray equipment, described apparatus for treating sewage is arranged on described circulating water pipe, and described circulating water pipe is also provided with water pump.
5. fume recovery system according to claim 4, is characterized in that, also comprises the condensate ruturn pipe be communicated with described heat exchanger, and described condensate ruturn pipe is communicated with the described circulating water pipe be connected between described water tank and described apparatus for treating sewage.
6. fume recovery system according to claim 1, is characterized in that, also comprises the blower fan be arranged in described smoke exhaust pipe, and described blower fan is between described heat exchanger and described spray absorber.
7. fume recovery system according to claim 1, is characterized in that, the end of described smoke exhaust pipe is provided with exhaust outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520834622.4U CN205119109U (en) | 2015-10-22 | 2015-10-22 | Flue gas recovery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520834622.4U CN205119109U (en) | 2015-10-22 | 2015-10-22 | Flue gas recovery system |
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| Publication Number | Publication Date |
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| CN205119109U true CN205119109U (en) | 2016-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520834622.4U Active CN205119109U (en) | 2015-10-22 | 2015-10-22 | Flue gas recovery system |
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| CN (1) | CN205119109U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107327863A (en) * | 2017-06-06 | 2017-11-07 | 李宜立 | Suitable for the flue gas purification system and flue gas purifying method of gas turbine |
| CN108195216A (en) * | 2018-02-24 | 2018-06-22 | 李宜立 | Steam and residual heat using device and its technique in flue gas |
-
2015
- 2015-10-22 CN CN201520834622.4U patent/CN205119109U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107327863A (en) * | 2017-06-06 | 2017-11-07 | 李宜立 | Suitable for the flue gas purification system and flue gas purifying method of gas turbine |
| CN108195216A (en) * | 2018-02-24 | 2018-06-22 | 李宜立 | Steam and residual heat using device and its technique in flue gas |
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| GR01 | Patent grant |