CN213453700U - Waste heat recovery device of boiler - Google Patents
Waste heat recovery device of boiler Download PDFInfo
- Publication number
- CN213453700U CN213453700U CN202022136052.5U CN202022136052U CN213453700U CN 213453700 U CN213453700 U CN 213453700U CN 202022136052 U CN202022136052 U CN 202022136052U CN 213453700 U CN213453700 U CN 213453700U
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- China
- Prior art keywords
- boiler
- pipe
- storage tank
- waste heat
- heat recovery
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- Expired - Fee Related
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- 238000011084 recovery Methods 0.000 title claims abstract description 25
- 239000002918 waste heat Substances 0.000 title claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 71
- 239000000428 dust Substances 0.000 claims abstract description 21
- 238000000746 purification Methods 0.000 claims abstract description 16
- 239000000779 smoke Substances 0.000 claims description 33
- 238000003756 stirring Methods 0.000 claims description 13
- 230000000903 blocking effect Effects 0.000 claims description 10
- 238000006477 desulfuration reaction Methods 0.000 claims description 9
- 230000023556 desulfurization Effects 0.000 claims description 9
- 238000001914 filtration Methods 0.000 claims description 7
- 238000005192 partition Methods 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 5
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 22
- 239000003546 flue gas Substances 0.000 abstract description 22
- 239000003517 fume Substances 0.000 abstract description 16
- 238000007599 discharging Methods 0.000 abstract description 9
- 239000007789 gas Substances 0.000 abstract description 7
- 241000208125 Nicotiana Species 0.000 abstract description 2
- 235000002637 Nicotiana tabacum Nutrition 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 9
- 238000012546 transfer Methods 0.000 description 7
- 238000002156 mixing Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 239000012535 impurity Substances 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000011859 microparticle Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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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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- Chimneys And Flues (AREA)
Abstract
The utility model discloses a waste heat recovery device of boiler relates to boiler technical field. The improved boiler comprises a boiler body, the top of boiler body is provided with the blast pipe, the blast pipe is connected with the purifying box through the air inlet, and installs the fender dirt net that the slope set up in the purifying box, the below that keeps off the dirt net is provided with the dust collecting box, the purifying box opposite side is provided with the gas outlet, and the one end of gas outlet is connected with the outlet duct, the one end of outlet duct is connected with the fan, and the air-out end of fan is connected with the pipe of discharging fume, the one end of the pipe of discharging fume is connected with the storage water tank, and the pipe of discharging fume extends and passes the storage water tank and go out the tobacco pipe in the storage water tank spiral and connect, the pipe intermediate position of discharging fume. The utility model overcomes prior art's is not enough, carries out multiple purification to the flue gas to the waste heat recovery who produces the boiler utilizes, improves energy utilization.
Description
Technical Field
The utility model relates to a boiler technical field, concretely relates to waste heat recovery device of boiler.
Background
The boiler is an energy conversion device, the energy input to the boiler comprises chemical energy and electric energy in fuel, and the boiler outputs steam, high-temperature water or an organic heat carrier with certain heat energy. With the increasing pace of domestic economic development, environmental problems in cities, rural areas and other areas are gradually exposed.
One of the main reasons for high energy consumption and high pollution in the aspect of heat energy and power is the flue gas emission of a boiler, and the problem of boiler smoke emission lies in the direct pollution of flue gas pollutants on one hand and the overhigh smoke emission temperature on the other hand. The tail part of a small and medium-sized gas boiler is not provided with heat exchange equipment generally, the exhaust gas temperature is generally 170-210 ℃, the potential of waste heat recovery is large, and the research for enhancing the recovery and utilization problem of the waste heat of the flue gas is very critical from the sustainable development perspective of the society and the economy never. Therefore, the waste heat recovery device of the boiler is provided.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
To prior art not enough, the utility model provides a waste heat recovery device of boiler carries out multiple purification to the flue gas to the waste heat recovery who produces the boiler utilizes, improves energy utilization.
(II) technical scheme
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:
a waste heat recovery device of a boiler comprises a boiler body, wherein an exhaust pipe is arranged at the top of the boiler body, one end of the exhaust pipe is connected with a purification box, an air inlet is arranged at one side of the purification box corresponding to the joint of the exhaust pipe, a dust blocking net which is obliquely arranged is installed in the purification box, a dust collecting box is arranged below the dust blocking net, an air outlet is arranged at the other side of the purification box corresponding to the air inlet, an air outlet pipe is connected with one end of the air outlet, a fan is connected with one end of the air outlet pipe, an exhaust pipe is connected with an air outlet end of the fan, one end of the exhaust pipe is connected with a water storage tank, two ends of the top of the water storage tank are respectively provided with a smoke inlet and a smoke outlet, the exhaust pipe penetrates through the smoke inlet and extends into the water storage tank, the exhaust pipe extends in the water storage tank in a spiral, and a plurality of stirring blades are uniformly arranged on the outer wall of the stirring shaft, one end of the stirring shaft is connected with the output end of a motor arranged on the side wall of the water storage tank, the top of one side wall of the water storage tank is connected with a water inlet pipe, and the bottom of the other side wall of the water storage tank is connected with a water outlet pipe.
According to the preferable technical scheme, a first filtering layer is arranged at the joint of the exhaust pipe and the boiler body, a desulfurization layer is arranged in the air inlet, and a second filtering layer is arranged in the air outlet.
According to the optimized technical scheme, corresponding sliding grooves are formed in the bottoms of the two side walls of the purifying box, and the bottom of the purifying box is provided with a movable partition plate in an inserting mode through the sliding grooves.
According to the preferred technical scheme, a pressure release valve is arranged at one end, close to the air outlet pipe, of the smoke exhaust pipe.
According to the preferable technical scheme, a temperature sensor is mounted on the inner wall of one side, close to the water outlet pipe, of the water storage tank.
According to the preferable technical scheme, the water inlet pipe and the water outlet pipe are both provided with electromagnetic valves.
According to the preferable technical scheme, rubber sealing rings are arranged at the joints of the smoke inlet, the smoke outlet and the water storage tank.
(III) advantageous effects
The embodiment of the utility model provides a waste heat recovery device of boiler. The method has the following beneficial effects:
1. this use is novel through the setting of first filter layer, desulfurization layer, dust blocking net and second filter layer, carries out multiple purification to the flue gas, and the ash bits in the flue gas falls into the clearance of being convenient for in the dust collection box, and then in the waste heat recovery in-process, has reduced the impurity on the inner wall of adhering to the pipe of discharging fume, has improved heat transfer effect, further improvement the waste heat utilization effect.
2. This use is novel through will discharge fume the pipe and extend the setting in the storage water tank internal screw, has improved heat transfer efficiency, heats the water in the storage water tank through the heat that the pipe gived off of discharging fume, has realized thermal recycle, and drives stirring vane's on the (mixing) shaft stirring through the motor for heat transfer improves thermal rate of recovery in the flue gas.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged schematic view of the purifying box of the present invention;
fig. 3 is a schematic diagram of a side-cut structure of the water storage tank of the present invention.
In the figure: 1 boiler body, 2 blast pipes, 3 air inlets, 4 purifying boxes, 5 dust blocking nets, 6 dust collecting boxes, 7 movable partition boards, 8 air outlets, 9 air outlet pipes, 10 fans, 11 smoke exhaust pipes, 12 water storage tanks, 13 smoke inlets, 14 smoke outlets, 15 smoke outlet pipes, 16 motors, 17 stirring shafts, 18 stirring blades, 19 water inlet pipes, 20 water outlet pipes, 21 pressure relief valves, 22 temperature sensors, 23 electromagnetic valves, 24 rubber sealing rings, 25 first filtering layers, 26 desulfurization layers, 27 second filtering layers and 28 chutes.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to the attached drawings 1-3, a waste heat recovery device of a boiler comprises a boiler body 1, wherein an exhaust pipe 2 is arranged at the top of the boiler body 1, one end of the exhaust pipe 2 is connected with a purification box 4, an air inlet 3 is arranged at the joint of one side of the purification box 4 corresponding to the exhaust pipe 2, a dust blocking net 5 which is obliquely arranged is arranged in the purification box 4, a dust collecting box 6 is arranged below the dust blocking net 5, an air outlet 8 is arranged at the other side of the purification box 4 corresponding to the air inlet 3, one end of the air outlet 8 is connected with an air outlet pipe 9, one end of the air outlet pipe 9 is connected with a fan 10, the air outlet end of the fan 10 is connected with a smoke exhaust pipe 11, one end of the smoke exhaust pipe 11 is connected with a water storage tank 12, the two ends at the top of the water storage tank 12 are respectively provided with a smoke inlet 13 and a, the utility model discloses a motor, including storage water tank 12, discharge fume pipe 11, discharge fume pipe 12, the pipe that discharges fume extends and wears out from outlet flue 14 and go out tobacco pipe 15 and connect, discharge fume pipe 11 intermediate position is provided with (mixing) shaft 17, and the (mixing) shaft 17 outer wall evenly is provided with a plurality of stirring vane 18, the one end of (mixing) shaft 17 is connected with the output that sets up the motor 16 at storage water tank 12 lateral wall, one lateral wall top of storage water tank 12 is connected with inlet tube 19, another lateral wall bottom of storage water tank 12 is connected with outlet pipe. The setting of purifying box 4 can carry out multiple purification to the flue gas, and the ash bits in the flue gas fall into dust collecting box 6 and be convenient for clear up, and then in the waste heat recovery in-process, has reduced the impurity of adhering to on the inner wall of the pipe 11 of discharging fume, has improved heat transfer and has fallen the effect, further improvement the waste heat utilization effect, the pipe 11 of discharging fume extends the setting in storage water tank 12 spiral, has improved heat transfer efficiency, heats the water in storage water tank 12 through the heat that the pipe 11 of discharging fume gived off, has realized thermal recycle, and drives stirring vane 18's stirring on the (mixing) shaft 17 through motor 16, has realized the stirring that the water in storage water tank 12 does not stop for heat transfer, improves thermal rate of recovery in the flue gas.
In order to purify the flue gas conveniently, a first filter layer 25 is arranged at the joint of the exhaust pipe 2 and the boiler body 1, a desulfurization layer 26 is arranged in the gas inlet 3, and a second filter layer 27 is arranged in the gas outlet 8. The first filter layer 25 and the second filter layer 27 can be active carbon filter layers, the introduction rate of the flue gas is controlled by the fan 10, the flue gas is primarily filtered by the first filter layer 25, partial impurities and micro-particles in the flue gas are removed, the flue gas is subjected to desulfurization treatment by the desulfurization layer 26, dust in the flue gas is blocked by the dust blocking net 5 in the purifying box 4, the dust is made to fall into the dust collecting box 6 to be convenient to clean, the flue gas is filtered again by the second filter layer 27, and the impurities and the micro-particles in the flue gas are further removed.
In order to facilitate cleaning, the bottom parts of the two side walls of the purifying box 4 are provided with corresponding sliding grooves 28, and the bottom part of the purifying box 4 is provided with a movable partition plate 7 through the sliding grooves 28 in an inserted connection mode. The movable partition 7 can be detached at any time, so that the inside of the purifying box 4 is convenient to clean.
In order to prevent the internal pressure of the smoke exhaust pipe 11 from being too high, a pressure release valve 21 is arranged at one end of the smoke exhaust pipe 11 close to the air outlet pipe 15. When the internal pressure of the smoke exhaust pipe 11 is too high, the pressure relief valve 21 is automatically opened, so that part of smoke is exhausted.
In order to monitor the temperature of water in the water storage tank 12, a temperature sensor 22 is installed on the inner wall of the water storage tank 12 near the water outlet pipe 20. The temperature of the water in the storage tank 12 can be controlled by adjusting the water intake and water output of the storage tank 12, and then the temperature sensor 22 monitors the temperature of the water in real time.
In order to adjust the water storage capacity in the water storage tank 12, the water inlet pipe 19 and the water outlet pipe 20 are both provided with electromagnetic valves 23. The electromagnetic valve 23 is arranged to control the water inlet and outlet of the water storage tank 12, so as to control the water storage amount in the water storage tank 12.
In order to improve the sealing performance of the smoke exhaust pipe 11 and the water storage tank 12, rubber sealing rings 24 are arranged at the joints of the smoke inlet 13 and the smoke outlet 14 with the water storage tank 12.
The working principle is as follows: start fan 10, the flue gas is discharged from blast pipe 2 after filtering through first filter layer 25, get into purifying box 4 after the desulfurization treatment of desulfurization layer 26 at air inlet 3, ash bits wherein are blockked and drop to in the dust collection box 6 when passing through dust blocking net 5, remaining flue gas is discharged from outlet duct 9 after second filter layer 27 further filters at gas outlet 8, get into through fan 10 and discharge fume in the pipe 11, discharge fume the pipe 11 and extend at storage water tank 12 internal screw, the heat that gives off heats the water in storage water tank 12, start motor 16 simultaneously, it rotates to drive stirring vane 18 on the (mixing) shaft 17, heat transfer has been accelerated, improve the thermal rate of recovery in the flue gas.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (7)
1. The utility model provides a waste heat recovery device of boiler, includes the boiler body, its characterized in that: the top of the boiler body is provided with an exhaust pipe, one end of the exhaust pipe is connected with a purification box, one side of the purification box is provided with an air inlet corresponding to the joint of the exhaust pipe, a dust blocking net which is obliquely arranged is installed in the purification box, a dust collecting box is arranged below the dust blocking net, the other side of the purification box corresponding to the air inlet is provided with an air outlet, one end of the air outlet is connected with an air outlet pipe, one end of the air outlet pipe is connected with a fan, the air outlet end of the fan is connected with a smoke exhaust pipe, one end of the smoke exhaust pipe is connected with a water storage tank, the two ends of the top of the water storage tank are respectively provided with a smoke inlet and a smoke outlet, the smoke exhaust pipe passes through the smoke inlet and extends into the water storage tank, the smoke exhaust pipe spirally extends in the water storage tank and penetrates out of the smoke outlet to be, one end of the stirring shaft is connected with the output end of a motor arranged on the side wall of the water storage tank, the top of one side wall of the water storage tank is connected with a water inlet pipe, and the bottom of the other side wall of the water storage tank is connected with a water outlet pipe.
2. The waste heat recovery device of a boiler as claimed in claim 1, wherein: the boiler comprises a boiler body and is characterized in that a first filtering layer is arranged at the joint of the exhaust pipe and the boiler body, a desulfurization layer is arranged in the air inlet, and a second filtering layer is arranged in the air outlet.
3. The waste heat recovery device of a boiler as claimed in claim 1, wherein: the bottom of the two side walls of the purifying box is provided with corresponding sliding grooves, and the bottom of the purifying box is provided with a movable partition board through the sliding grooves in an inserting mode.
4. The waste heat recovery device of a boiler as claimed in claim 1, wherein: and a pressure release valve is arranged at one end of the smoke exhaust pipe close to the air outlet pipe.
5. The waste heat recovery device of a boiler as claimed in claim 1, wherein: and a temperature sensor is arranged on the inner wall of one side of the water storage tank close to the water outlet pipe.
6. The waste heat recovery device of a boiler as claimed in claim 1, wherein: the water inlet pipe and the water outlet pipe are both provided with electromagnetic valves.
7. The waste heat recovery device of a boiler as claimed in claim 1, wherein: rubber sealing rings are arranged at the joints of the smoke inlet and the smoke outlet and the water storage tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022136052.5U CN213453700U (en) | 2020-09-25 | 2020-09-25 | Waste heat recovery device of boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022136052.5U CN213453700U (en) | 2020-09-25 | 2020-09-25 | Waste heat recovery device of boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213453700U true CN213453700U (en) | 2021-06-15 |
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ID=76281645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022136052.5U Expired - Fee Related CN213453700U (en) | 2020-09-25 | 2020-09-25 | Waste heat recovery device of boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213453700U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114941845A (en) * | 2022-04-28 | 2022-08-26 | 靖江中环信环保有限公司 | Comprehensive treatment device for dust-containing waste gas |
-
2020
- 2020-09-25 CN CN202022136052.5U patent/CN213453700U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114941845A (en) * | 2022-04-28 | 2022-08-26 | 靖江中环信环保有限公司 | Comprehensive treatment device for dust-containing waste gas |
| CN114941845B (en) * | 2022-04-28 | 2023-07-18 | 靖江中环信环保有限公司 | Comprehensive treatment device for dust-containing waste gas |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210615 |