CN211667805U - Boiler flue gas condensate water recovery device - Google Patents
Boiler flue gas condensate water recovery device Download PDFInfo
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- CN211667805U CN211667805U CN201922391792.0U CN201922391792U CN211667805U CN 211667805 U CN211667805 U CN 211667805U CN 201922391792 U CN201922391792 U CN 201922391792U CN 211667805 U CN211667805 U CN 211667805U
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Abstract
The utility model relates to a warm technical field that leads to is a boiler flue gas comdenstion water recovery unit, including boiler, chimney, condenser, one-level energy-saving appliance and comdenstion water collection water tank, the condenser is the hollow tube that thick both sides are thin and the level sets up in the middle of, is in the same place through the fixed intercommunication of condenser between the gas vent of boiler and the air inlet of chimney, and the inboard fixed mounting in condenser middle part has the one-level energy-saving appliance. The utility model has the advantages of reasonable and compact structure, simple manufacture, through setting up the one-level energy-saving appliance, the high temperature flue gas that the boiler discharged is when the one-level energy-saving appliance, the temperature reduces to below the flue gas dew point temperature, with the moisture content condensation in the flue gas to the condenser in, finally collect the pipeline through the comdenstion water and flow in the comdenstion water and collect the water tank, through setting up the condenser, can improve the recovery efficiency of moisture in the high temperature flue gas, the comdenstion water in the comdenstion water collection water tank can reutilization, from the low temperature flue gas of one-level energy-saving appliance exhaust after the chimney discharges, can reduce the.
Description
Technical Field
The utility model relates to a warm technical field that leads to is a boiler flue gas comdenstion water recovery unit.
Background
The boiler obtains the wide application at present in urban heating system, gas boiler with the natural gas as main fuel can form a large amount of flue gas condensate water in the use, most heat supply stations have installed flue gas waste heat utilization equipment's condensate water recovery efficiency low at present, and exhaust gas temperature is high, and the condensate water in the flue gas permeates flue, chimney bottom, erodees flue, chimney basis, brings the potential safety hazard to the operation of boiler room, and the emission of the condensate water in the flue gas simultaneously has adverse effect to the environment to a certain extent.
Disclosure of Invention
The utility model provides a boiler flue gas comdenstion water recovery unit has overcome above-mentioned prior art not enough, and it can effectively solve the problem of the comdenstion water recovery efficiency low, the polluted environment that exists among the current boiler flue gas recovery unit.
The technical scheme of the utility model is realized through following measure: the utility model provides a boiler flue gas comdenstion water recovery unit, which comprises a boiler, the chimney, the condenser, one-level energy-saving appliance and comdenstion water collection water tank, the condenser is the hollow tube that thick both sides are thin and the level sets up in the middle of, be in the same place through the fixed intercommunication of condenser between the gas vent of boiler and the air inlet of chimney, the inboard fixed mounting in condenser middle part has one-level energy-saving appliance, the air inlet and the boiler exhaust port of one-level energy-saving appliance are corresponding, the gas vent of one-level energy-saving appliance is corresponding with the air inlet of chimney, the comdenstion water collection mouth of inside and outside intercommunication is equipped with to the condenser middle part bottom side of the gas vent position that corresponds one-level energy.
The following are further optimization or/and improvement of the technical scheme of the utility model:
and a secondary energy saver can be fixedly arranged in the condenser corresponding to the position between the exhaust port of the primary energy saver and the air inlet of the chimney, the air inlet of the secondary energy saver corresponds to the exhaust port of the primary energy saver, and the exhaust port of the secondary energy saver corresponds to the air inlet of the chimney.
The water circulation device comprises a heat exchanger and a primary pump, a water supply main pipe is fixedly communicated between a water outlet of the boiler and a primary side water inlet of the heat exchanger, a water return main pipe is fixedly communicated between a primary side water outlet of the heat exchanger and a water inlet of the primary pump, a secondary water inlet and a secondary water outlet are arranged on the secondary energy saver, a first communicating hole and a second communicating hole which are communicated with the inside and the outside are respectively arranged on a condenser corresponding to the positions of the secondary water inlet and the secondary water outlet, a first water return pipe is fixedly arranged in the first communicating hole, a second water return pipe is fixedly arranged in the second communicating hole, and the water outlet of the primary pump and the secondary water inlet are fixedly communicated together through the first; the primary economizer is provided with a primary water inlet and a primary water outlet, a condenser corresponding to the primary water inlet and the primary water outlet is respectively provided with a third communicating hole and a fourth communicating hole which are communicated with the inside and the outside, a third water return pipe is fixedly arranged in the third communicating hole, and a fourth water return pipe is fixedly arranged in the fourth communicating hole; the first water return pipe is fixedly communicated with the first-stage water inlet through a third water return pipe, the first-stage water outlet is fixedly communicated with the water inlet of the boiler through a fourth water return pipe, and the fourth water return pipe is fixedly communicated with the second-stage water outlet through a second water return pipe.
The water circulation device also comprises a second-stage water pump, an inlet of the second-stage water pump is fixedly communicated with the first-stage water outlet through a fourth water return pipe, and a fifth water return pipe is fixedly communicated between an outlet of the second-stage water pump and the water inlet of the boiler.
A pressure equalizing pipeline can be fixedly communicated between the water supply main pipe and the water return main pipe, and a pressure equalizing valve is arranged on the pressure equalizing pipeline.
The outer sides of the first-stage economizer and the second-stage economizer can be in sealing contact with the inner side of the condenser.
The utility model has the advantages of reasonable and compact structure, simple manufacture, through setting up the one-level energy-saving appliance, the high temperature flue gas that the boiler discharged is when the one-level energy-saving appliance, the temperature reduces to below the flue gas dew point temperature, with the moisture content condensation in the flue gas to the condenser in, finally collect the pipeline through the comdenstion water and flow in the comdenstion water and collect the water tank, through setting up the condenser, can improve the recovery efficiency of moisture in the high temperature flue gas, the comdenstion water in the comdenstion water collection water tank can reutilization, from the low temperature flue gas of one-level energy-saving appliance exhaust after the chimney discharges, can reduce the.
Drawings
Fig. 1 is a schematic diagram of the process flow structure of the preferred embodiment of the present invention.
The codes in the figures are respectively: 1 is the boiler, 2 is the chimney, 3 is the condenser, 4 is the one-level energy-saving appliance, 5 is the comdenstion water collection water tank, 6 is the comdenstion water collection pipeline, 7 is the second grade energy-saving appliance, 8 is the heat exchanger, 9 is the primary pump, 10 is the water supply house steward, 11 is the return water house steward, 12 is first wet return, 13 is the second wet return, 14 is the third wet return, 15 is the fourth wet return, 16 is the second grade water pump, 17 is the fifth wet return, 18 is the pressure-equalizing pipeline, 19 is the pressure-equalizing valve.
Detailed Description
The utility model discloses do not receive the restriction of following embodiment, can be according to the utility model discloses a technical scheme and actual conditions determine concrete implementation.
In the present invention, for convenience of description, the description of the relative position relationship of the components is described according to the layout mode of the attached drawing 1 in the specification, such as: the positional relationship of front, rear, upper, lower, left, right, etc. is determined in accordance with the layout direction of the drawings of the specification.
The invention will be further described with reference to the following examples and drawings:
as shown in the attached figure 1, the boiler flue gas condensate recovery device comprises a boiler 1, a chimney 2, a condenser 3, a primary energy saver 4 and a condensate water collecting tank 5, wherein the condenser 3 is a hollow pipe with thick middle and thin two sides and is horizontally arranged, an exhaust port of the boiler 1 and an air inlet of the chimney 2 are fixedly communicated together through the condenser 3, the primary energy saver 4 is fixedly arranged on the inner side of the middle of the condenser 3, an air inlet of the primary energy saver 4 corresponds to an exhaust port of the boiler 1, an exhaust port of the primary energy saver 4 corresponds to an air inlet of the chimney 2, a condensate water collecting port communicated with the inside and the outside is arranged on the bottom side of the middle of the condenser 3 corresponding to the exhaust port of the primary energy saver 4, the condensate water collecting tank 5 is arranged below the condenser 3, and a condensate water collecting pipeline 6.
According to the requirement, the boiler 1 is the prior known technology, such as an SZS29-1.6/130/70-YQ type hot water boiler of a Weifang civil boiler pressure vessel factory, the primary energy saver 4 is the prior known technology, such as a condensing boiler energy saver of the Qinli thermal energy mechanical equipment Limited company in Guangzhou, and the condensed water collection tank 5 is the prior known technology, such as a stainless steel condensed water tank. In the use, through setting up one-level economizer 4, when the high temperature flue gas that boiler 1 discharged passes through one-level economizer 4, the temperature reduces to below the flue gas dew point temperature, with the moisture content condensation in the flue gas to condenser 3 in, finally collect pipeline 6 inflow comdenstion water collection tank 5 through the comdenstion water, through setting up condenser 3, can improve the recovery efficiency of moisture in the high temperature flue gas, the comdenstion water in comdenstion water collection tank 5 can the reutilization, after the low temperature flue gas of 4 exhausts from one-level economizer discharges through chimney 2, can reduce the influence of flue gas to the surrounding environment greatly.
The boiler flue gas condensate water recovery device can be further optimized or/and improved according to actual needs:
as shown in fig. 1, a secondary economizer 7 is fixedly installed in the condenser 3 corresponding to a position between an exhaust port of the primary economizer 4 and an air inlet of the chimney 2, an air inlet of the secondary economizer 7 corresponds to an exhaust port of the primary economizer 4, and an exhaust port of the secondary economizer 7 corresponds to an air inlet of the chimney 2.
The secondary energy saver 7 is a conventional technique, such as a lithium bromide absorption cold and hot water unit (flue gas hot water afterburning type) of Jiangsu Shuangliang group Limited. In the use, can utilize the flue gas that 4 gas vents of one-level energy-saving appliance discharged once more, further retrieve the moisture in the flue gas, can reduce the discharge temperature of flue gas once more simultaneously, reduce the influence of flue gas to the environment.
As shown in the attached figure 1, the water circulation device comprises a heat exchanger 8 and a primary pump 9, a water supply main pipe 10 is fixedly communicated between a water outlet of the boiler 1 and a primary side water inlet of the heat exchanger 8, a water return main pipe 11 is fixedly communicated between a primary side water outlet of the heat exchanger 8 and a water inlet of the primary pump 9, a secondary water inlet and a secondary water outlet are arranged on the secondary energy saver 7, a first communicating hole and a second communicating hole which are communicated with the inside and the outside are respectively arranged on the condenser 3 corresponding to the positions of the secondary water inlet and the secondary water outlet, a first water return pipe 12 is fixedly arranged in the first communicating hole, a second water return pipe 13 is fixedly arranged in the second communicating hole, and a water outlet of the primary pump 9 is fixedly communicated with the secondary water inlet through the; the primary energy saver 4 is provided with a primary water inlet and a primary water outlet, the condenser 3 corresponding to the primary water inlet and the primary water outlet is respectively provided with a third communicating hole and a fourth communicating hole which are communicated with the inside and the outside, a third water return pipe 14 is fixedly arranged in the third communicating hole, and a fourth water return pipe 15 is fixedly arranged in the fourth communicating hole; the first water return pipe 12 is fixedly communicated with the primary water inlet through a third water return pipe 14, the primary water outlet is fixedly communicated with the water inlet of the boiler 1 through a fourth water return pipe 15, and the fourth water return pipe 15 is fixedly communicated with the secondary water outlet through a second water return pipe 13.
The heat exchanger 8 is of known art, such as a plate heat exchanger 8, and the primary pump 9 is of known art, such as a stainless steel centrifugal pump, as desired. In the using process, through the first water return pipe 12 and the second water return pipe 13, the temperature of high-temperature water in the water supply main pipe 10 is reduced after the high-temperature water flows into the heat exchanger 8, the high-temperature water flows into the secondary economizer 7 through the first water return pipe 12 through the water return main pipe 11 and the primary pump 9, heat exchange is carried out between the high-temperature water and flue gas in the secondary economizer 7, the return water temperature is increased and flows into the third water return pipe 14 through the second water return pipe 13, and the flue gas temperature is reduced and condensed water is generated and flows into the condensed water collection tank 5; meanwhile, the other part of return water enters the primary energy saver 4 through the third return water pipe 14 to exchange heat with high-temperature flue gas in the primary energy saver 4, the temperature of the flue gas is reduced, condensate water is generated and flows into the condensate water collection tank 5, the temperature of the return water is increased and flows into the fourth return water pipe 15, and finally the return water is mixed with the return water in the secondary energy saver 7 and then enters the water inlet of the boiler 1.
As shown in the attached figure 1, the water circulation device further comprises a secondary water pump 16, an inlet of the secondary water pump 16 is fixedly communicated with the primary water outlet through a fourth water return pipe 15, and an outlet of the secondary water pump 16 is fixedly communicated with a water inlet of the boiler 1 through a fifth water return pipe 17.
In the use process, through the arrangement, the heat exchange efficiency of the backwater and the flue gas in the primary energy economizer 4 and the secondary energy economizer 7 can be improved.
As shown in the attached figure 1, a pressure equalizing pipeline 18 is fixedly communicated between the water supply main pipe 10 and the water return main pipe 11, and a pressure equalizing valve 19 is arranged on the pressure equalizing pipeline 18.
In the use, through such setting, when the heat supply is not enough, open the pressure equalizing valve 19, make the water in some water main 10 not pass through heat exchanger 8, after boiler 1 heats, can improve the feedwater temperature in water main 10 fast.
As shown in fig. 1, the outside of the first-stage economizer 4 and the second-stage economizer 7 are in sealed contact with the inside of the condenser 3.
In the use, through such setting, can improve the recovery efficiency of condensate water in the flue gas, also can reduce the influence of flue gas to operational environment.
Above technical feature constitutes the utility model discloses a best embodiment, it has stronger adaptability and best implementation effect, can increase and decrease unnecessary technical feature according to actual need, satisfies the demand of different situation.
Claims (7)
1. The utility model provides a boiler flue gas comdenstion water recovery unit, a serial communication port comprises a boiler, the chimney, the condenser, one-level energy-saving appliance and comdenstion water collection header tank, the condenser is the hollow tube that thick both sides are thin and the level sets up in the middle, be in the same place through the fixed intercommunication of condenser between the gas vent of boiler and the air inlet of chimney, the inboard fixed mounting in condenser middle part has one-level energy-saving appliance, the air inlet and the boiler exhaust port of one-level energy-saving appliance are corresponding, the gas vent of one-level energy-saving appliance is corresponding with the air inlet of chimney, the condenser middle part bottom side that corresponds the gas vent position of one-level energy-saving appliance is equipped with the comdenstion water collection mouth of inside and outside.
2. The boiler flue gas condensate recovery device of claim 1, wherein a secondary economizer is fixedly mounted in the condenser corresponding to a position between an exhaust port of the primary economizer and an air inlet of the chimney, an air inlet of the secondary economizer corresponds to the exhaust port of the primary economizer, and an air outlet of the secondary economizer corresponds to the air inlet of the chimney.
3. The boiler flue gas condensate water recovery device according to claim 2, further comprising a water circulation device, wherein the water circulation device comprises a heat exchanger and a primary pump, a water supply header pipe is fixedly communicated between a water outlet of the boiler and a primary side water inlet of the heat exchanger, a water return header pipe is fixedly communicated between a primary side water outlet of the heat exchanger and a water inlet of the primary pump, a secondary water inlet and a secondary water outlet are arranged on the secondary economizer, a first communicating hole and a second communicating hole which are communicated with each other inside and outside are respectively arranged on a condenser corresponding to the positions of the secondary water inlet and the secondary water outlet, a first water return pipe is fixedly arranged in the first communicating hole, a second water return pipe is fixedly arranged in the second communicating hole, and a water outlet of the primary pump and the secondary water inlet are; the primary economizer is provided with a primary water inlet and a primary water outlet, a condenser corresponding to the primary water inlet and the primary water outlet is respectively provided with a third communicating hole and a fourth communicating hole which are communicated with the inside and the outside, a third water return pipe is fixedly arranged in the third communicating hole, and a fourth water return pipe is fixedly arranged in the fourth communicating hole; the first water return pipe is fixedly communicated with the first-stage water inlet through a third water return pipe, the first-stage water outlet is fixedly communicated with the water inlet of the boiler through a fourth water return pipe, and the fourth water return pipe is fixedly communicated with the second-stage water outlet through a second water return pipe.
4. The boiler flue gas condensate recovery device of claim 3, wherein the water circulation device further comprises a secondary water pump, an inlet of the secondary water pump is fixedly communicated with the primary water outlet through a fourth water return pipe, and an outlet of the secondary water pump is fixedly communicated with the water inlet of the boiler through a fifth water return pipe.
5. The boiler flue gas condensate water recovery device according to claim 2 or 3, wherein a pressure equalizing pipeline is fixedly communicated between the water supply main pipe and the water return main pipe, and a pressure equalizing valve is arranged on the pressure equalizing pipeline.
6. The boiler flue gas condensate recovery device of claim 2, 3 or 4, wherein the outer sides of the primary economizer and the secondary economizer are in sealing contact with the inner side of the condenser.
7. The boiler flue gas condensate recovery apparatus of claim 5, wherein the outer sides of the primary economizer and the secondary economizer are in sealing contact with the inner side of the condenser.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922391792.0U CN211667805U (en) | 2019-12-27 | 2019-12-27 | Boiler flue gas condensate water recovery device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922391792.0U CN211667805U (en) | 2019-12-27 | 2019-12-27 | Boiler flue gas condensate water recovery device |
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| Publication Number | Publication Date |
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| CN211667805U true CN211667805U (en) | 2020-10-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922391792.0U Active CN211667805U (en) | 2019-12-27 | 2019-12-27 | Boiler flue gas condensate water recovery device |
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| CN (1) | CN211667805U (en) |
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