CN106765257A - A kind of boiler afterheat is collected and waste gas cleaning system - Google Patents
A kind of boiler afterheat is collected and waste gas cleaning system Download PDFInfo
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- CN106765257A CN106765257A CN201510820330.XA CN201510820330A CN106765257A CN 106765257 A CN106765257 A CN 106765257A CN 201510820330 A CN201510820330 A CN 201510820330A CN 106765257 A CN106765257 A CN 106765257A
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- heat exchanger
- waste gas
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- boiler afterheat
- heat exchanging
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/30—Technologies for a more efficient combustion or heat usage
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Abstract
Collected the present invention relates to a kind of boiler afterheat and waste gas cleaning system, the boiler afterheat is collected and waste gas cleaning system includes that the boiler afterheat being sequentially communicated collects tubular heat exchanger and waste gas purification apparatus.The ultrasonic ultrasonic delay line memory wiped and be provided with heat exchanger side wall by the electrical dust-removing being provided with heat exchanger, avoid accumulating flue dust on heat exchanging pipe wall, heat exchange efficiency higher can be continued to keep, fully carry out waste heat recovery, improve the recovery benefit of residual heat system, one waste gas purification apparatus is set further through the air outlet in boiler afterheat collection tubular heat exchanger, makes the waste gas being discharged into air nontoxic, do not pollute the environment.
Description
Technical field
The present invention relates to boiler energy-saving technical field, more particularly to a kind of boiler afterheat is collected and waste gas cleaning system.
Background technology
Iron and steel enterprise's boiler is in use, substantial amounts of fuel would generally be consumed, the substantial amounts of flue gas of simultaneous is produced, and the exhaust gas temperature of the boiler of iron and steel enterprise is also very high, past, these high-temperature flue gas are all directly arranged to air, cause the huge waste of resource, at present for saving can be drilled, generated many technologies carries out waste heat recovery to this high-temperature flue gas, in existing technology, the facility of the heat recovery for generally using is heat exchanger, it is that one kind can reduce flue-gas temperature, high-temperature flue gas can be utilized again simultaneously, the equipment for reaching heat exchange purpose.But because the flue-gas temperature big ups and downs that the boiler of iron and steel enterprise is discharged, dustiness are big, common water row tube waste heat boiler is difficult to apply to the waste heat recovery of the boiler of iron and steel enterprise.Because the boiler smoke dust amount of iron and steel enterprise is big, when using water row tube waste heat boiler, early stage heat transfer effect is relatively good, with the extension of use time, increasing flue dust can be accumulated on heat exchanging pipe wall, cause heat exchange efficiency to decline, relatively reduce the economic worth of residual heat system, increased the investment of residual heat system.On the other hand, boiler waste gas are directly discharged to that environment can be caused greatly pollution in air, accordingly, it would be desirable to set a waste gas purification apparatus in boiler waste gas discharge terminal, eliminate pollution of the boiler waste gas to environment.
The content of the invention
Collected it is an object of the invention to provide a kind of boiler afterheat and waste gas cleaning system, it is big with the boiler smoke dust amount for solving existing iron and steel enterprise, when waste heat is collected using tubular heat exchanger, flue dust can be accumulated on heat exchanging pipe wall, causes heat exchange efficiency to decline the technical problem that environment is polluted with boiler waste gas.
The technical solution adopted for the present invention to solve the technical problems is：The boiler afterheat is collected and waste gas cleaning system includes that the boiler afterheat being sequentially communicated collects tubular heat exchanger and waste gas purification apparatus, wherein, heat exchanging pipe is provided with the heat exchanger vertically, the heat exchanging pipe two ends are respectively a water inlet and a delivery port, the water inlet and delivery port are each provided at the top of heat exchanger, the left side lower end of the heat exchanger is provided with an air inlet, and the right side upper end of the heat exchanger is provided with an air outlet, and the bottom of the heat exchanger is provided with a storage mouthful；Wherein described heat exchanging pipe includes some U-shaped heat exchanging pipes, and some U-shaped heat exchanging pipes are connected by some bend pipes；Air exhauster, and the air outlet and waste gas purification apparatus connection are provided with the air outlet；Be provided with the air inlet one by flue gas draw upwards on to air-introduced machine；Dedusting wiping is provided with the heat exchanger, the dedusting is wiped and is provided with some through holes for being suitable to U-shaped heat exchanging pipe insertion, and the through hole and U-shaped heat exchanging pipe are slidably connected, and the dedusting is wiped and can moved up and down along U-shaped heat exchanging pipe；A motor is provided with the top of the heat exchanger, the motor is connected with one end of an elevating lever, and the other end of the elevating lever is fixedly connected through the top of heat exchanger with the dedusting wiping in heat exchanger；And a ultrasonic ultrasonic delay line memory is respectively equipped with the left side wall and right side wall of the heat exchanger, the ultrasonic ultrasonic delay line memory is provided with some orifices with heat exchanger junction.
Further, the inwall that the through hole is contacted with U-shaped heat exchanging pipe is provided with high temperature resistant elastic ring.
Further, it is copper dedusting plate that the dedusting is wiped.
Further, the ultrasonic ultrasonic delay line memory has ultrasonic atomization seat, and the ultrasonic atomization seat offers some orifices through ultrasonic atomization seat with heat exchanger junction, and the atomizing piece suitable for atomized liquid is provided with the orifice.
The beneficial effects of the invention are as follows：A kind of boiler afterheat that the present invention is provided is collected and waste gas cleaning system, on the one hand, wiped by the electrical dust-removing being provided with heat exchanger, elevating lever drives being moved up and down along U-shaped heat exchanging pipe for dedusting wiping in the presence of motor, flue dust on the tube wall of U-shaped heat exchanging pipe is struck off, while by the ultrasonic ultrasonic delay line memory being provided with heat exchanger side wall, the water smoke for spraying ultrasonic ultrasonic delay line memory is fully combined with flue gas, flue gas is farthest dissolved and drop in storage mouth, avoid accumulating flue dust on heat exchanging pipe wall, heat exchange efficiency higher can be continued to keep, fully carry out waste heat recovery, improve the recovery benefit of residual heat system, on the other hand, one waste gas purification apparatus is set by the air outlet that tubular heat exchanger is collected in boiler afterheat, make the waste gas being discharged into air nontoxic, do not pollute the environment.
Brief description of the drawings
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 is the structural representation of a kind of boiler afterheat collection of the invention and waste gas cleaning system.
In figure：U-shaped heat exchanging pipe 1, water inlet 2, delivery port 3, air inlet 4, air outlet 5, storage mouth 6, bend pipe 7, on to air-introduced machine 8, air exhauster 9, dedusting wipe 10, motor 11, elevating lever 12, ultrasonic atomization seat 13, waste gas purification apparatus 14, ultrasonic atomization seat 15.
Specific embodiment
In conjunction with the accompanying drawings, the present invention is further explained in detail.These accompanying drawings are simplified schematic diagram, and basic structure of the invention is only illustrated in a schematic way, therefore it only shows the composition relevant with the present invention.
As shown in figure 1, a kind of boiler afterheat is collected and waste gas cleaning system, including：The boiler afterheat is collected and waste gas cleaning system includes that the boiler afterheat being sequentially communicated collects tubular heat exchanger and waste gas purification apparatus 14, wherein, heat exchanging pipe is provided with the heat exchanger vertically, the heat exchanging pipe two ends are respectively a water inlet 2 and a delivery port 3, the water inlet 2 and delivery port 3 are each provided at the top of heat exchanger, the left side lower end of the heat exchanger is provided with an air inlet 4, the right side upper end of the heat exchanger is provided with an air outlet 5, and the bottom of the heat exchanger is provided with a storage mouthful 6；Wherein described heat exchanging pipe includes some U-shaped heat exchanging pipes 1, and some U-shaped heat exchanging pipes 1 are connected by some bend pipes 7；Air exhauster 9 is provided with the air outlet 5, and the air outlet 5 and the waste gas purification apparatus 14 are connected；Be provided with the air inlet 4 one by flue gas draw upwards on to air-introduced machine 8；A dedusting is provided with the heat exchanger and wipes 10, the dedusting is wiped 10 and is provided with some through holes for being suitable to the insertion of U-shaped heat exchanging pipe 1, and the through hole and U-shaped heat exchanging pipe 1 are slidably connected, and the dedusting is wiped 10 and can be moved up and down along U-shaped heat exchanging pipe 1；A motor 11 is provided with the top of the heat exchanger, the motor 11 is connected with one end of an elevating lever 12, and the other end of the elevating lever 12 passes through the top of heat exchanger and the dedusting wiping 10 in heat exchanger to be fixedly connected；And a ultrasonic ultrasonic delay line memory is respectively equipped with the left side wall and right side wall of the heat exchanger, the ultrasonic ultrasonic delay line memory is provided with some orifices 13 with heat exchanger junction.
Further, the inwall that the through hole is contacted with U-shaped heat exchanging pipe 1 is provided with high temperature resistant elastic ring.
Further, it is copper dedusting plate that the dedusting wipes 10.
Further, the ultrasonic ultrasonic delay line memory has ultrasonic atomization seat 15, and the ultrasonic atomization seat 15 offers some orifices 13 through ultrasonic atomization seat 15 with heat exchanger junction, and the atomizing piece suitable for atomized liquid is provided with the orifice 13.
It is as follows that this boiler afterheat collects tubular heat exchanger specific embodiment：When in use, on the one hand, open motor 11, control elevating lever 12 drives dedusting to wipe 10 in the presence of motor 11 and is moved up and down along U-shaped heat exchanging pipe 1, and the flue dust on the tube wall of U-shaped heat exchanging pipe 1 is struck off, and the flue dust for dropping is dropped and receives mouth 6, avoid accumulating flue dust on heat exchanging pipe wall, heat exchange efficiency higher can be continued to keep, waste heat recovery is fully carried out, the recovery benefit of residual heat system is improve；Ultrasonic ultrasonic delay line memory is opened simultaneously, and the water smoke for spraying ultrasonic ultrasonic delay line memory is fully combined with flue gas, flue gas is farthest dissolved and is dropped in storage mouth 6.Another aspect, be provided with air inlet 4 flue gas is drawn upwards on flue gas is moved upwards to air-introduced machine 8, high-temperature flue gas is fully heated the cold water that water inlet in heat exchanging pipe 2 is put into；The air exhauster 9 being provided with air outlet 5, the flue gas in heat exchanger is collected, and the waste gas that air exhauster 9 is collected is entered in waste gas purification apparatus, reduces impurity and particle in waste gas, eliminates pollution of the boiler waste gas to environment.
With above-mentioned according to desirable embodiment of the invention as enlightenment, by above-mentioned description, relevant staff can carry out various changes and amendments without departing from the scope of the technological thought of the present invention' completely.The technical scope of this invention is not limited to the content on specification, it is necessary to its technical scope is determined according to right.
Claims (4)
1. a kind of boiler afterheat is collected and waste gas cleaning system, it is characterised in that：The boiler afterheat is collected and waste gas cleaning system includes that the boiler afterheat being sequentially communicated collects tubular heat exchanger and waste gas purification apparatus, wherein, heat exchanging pipe is provided with the heat exchanger vertically, the heat exchanging pipe two ends are respectively a water inlet and a delivery port, the water inlet and delivery port are each provided at the top of heat exchanger, the left side lower end of the heat exchanger is provided with an air inlet, and the right side upper end of the heat exchanger is provided with an air outlet, and the bottom of the heat exchanger is provided with a storage mouthful；
The heat exchanging pipe includes some U-shaped heat exchanging pipes, and some U-shaped heat exchanging pipes are connected by some bend pipes；
Air exhauster, and the air outlet and waste gas purification apparatus connection are provided with the air outlet；
Be provided with the air inlet one by flue gas draw upwards on to air-introduced machine；
Dedusting wiping is provided with the heat exchanger, the dedusting is wiped and is provided with some through holes for being suitable to U-shaped heat exchanging pipe insertion, and the through hole and U-shaped heat exchanging pipe are slidably connected, and the dedusting is wiped and can moved up and down along U-shaped heat exchanging pipe；
A motor is provided with the top of the heat exchanger, the motor is connected with one end of an elevating lever, and the other end of the elevating lever is fixedly connected through the top of heat exchanger with the dedusting wiping in heat exchanger；And
A ultrasonic ultrasonic delay line memory is respectively equipped with the left side wall and right side wall of the heat exchanger, the ultrasonic ultrasonic delay line memory is provided with some orifices with heat exchanger junction.
2. a kind of boiler afterheat according to claim 1 is collected and waste gas cleaning system, it is characterised in that：The inwall that the through hole is contacted with U-shaped heat exchanging pipe is provided with high temperature resistant elastic ring.
3. a kind of boiler afterheat according to claim 2 is collected and waste gas cleaning system, it is characterised in that：It is copper dedusting plate that the dedusting is wiped.
4. a kind of boiler afterheat according to claim 3 is collected and waste gas cleaning system, it is characterised in that：The ultrasonic ultrasonic delay line memory has ultrasonic atomization seat, and the ultrasonic atomization seat offers some orifices through ultrasonic atomization seat with heat exchanger junction, and the atomizing piece suitable for atomized liquid is provided with the orifice.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510820330.XA CN106765257A (en) | 2015-11-24 | 2015-11-24 | A kind of boiler afterheat is collected and waste gas cleaning system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510820330.XA CN106765257A (en) | 2015-11-24 | 2015-11-24 | A kind of boiler afterheat is collected and waste gas cleaning system |
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| CN106765257A true CN106765257A (en) | 2017-05-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510820330.XA Pending CN106765257A (en) | 2015-11-24 | 2015-11-24 | A kind of boiler afterheat is collected and waste gas cleaning system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107694231A (en) * | 2017-10-25 | 2018-02-16 | 威洁（石狮）中水回用技术有限公司 | A kind of tail gas pretreatment device and method |
| CN109163594A (en) * | 2018-09-20 | 2019-01-08 | 方政 | A kind of energy-saving heat reclaim unit |
| CN114427801A (en) * | 2020-10-29 | 2022-05-03 | 安徽省万爱电器科技有限公司 | Water chiller with self-cleaning function |
-
2015
- 2015-11-24 CN CN201510820330.XA patent/CN106765257A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107694231A (en) * | 2017-10-25 | 2018-02-16 | 威洁（石狮）中水回用技术有限公司 | A kind of tail gas pretreatment device and method |
| CN109163594A (en) * | 2018-09-20 | 2019-01-08 | 方政 | A kind of energy-saving heat reclaim unit |
| CN114427801A (en) * | 2020-10-29 | 2022-05-03 | 安徽省万爱电器科技有限公司 | Water chiller with self-cleaning function |
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Application publication date: 20170531 |