CN210485777U - Biomass fuel boiler's waste heat from flue gas device - Google Patents

Biomass fuel boiler's waste heat from flue gas device Download PDF

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Publication number
CN210485777U
CN210485777U CN201921569366.5U CN201921569366U CN210485777U CN 210485777 U CN210485777 U CN 210485777U CN 201921569366 U CN201921569366 U CN 201921569366U CN 210485777 U CN210485777 U CN 210485777U
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CN
China
Prior art keywords
dust removal
heat preservation
preservation shell
flue gas
spiral pipe
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Expired - Fee Related
Application number
CN201921569366.5U
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Chinese (zh)
Inventor
崔庆辉
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崔庆辉
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Priority to CN201921569366.5U priority Critical patent/CN210485777U/en
Application granted granted Critical
Publication of CN210485777U publication Critical patent/CN210485777U/en
Expired - Fee Related legal-status Critical Current
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E20/00Combustion technologies with mitigation potential
    • Y02E20/30Technologies for a more efficient combustion or heat usage

Abstract

The utility model discloses a biomass fuel boiler's flue gas waste heat recovery device, including heat preservation shell and dust removal case, the heat preservation shell is hollow structure, be equipped with the spiral pipe in the heat preservation shell, the both ends of spiral pipe seal the inner wall that runs through the heat preservation shell respectively, the gas outlet has been seted up to the lateral wall of dust removal case, is located outside the heat preservation shell the one end and the gas outlet sealing connection of spiral pipe, the upper end lateral wall joint of dust removal case is connected with sealed case lid, the joint is connected with dust removal otter board and activated carbon plate between the lower extreme inner wall of the lower extreme lateral wall of sealed case lid and dust removal case, the air inlet has been seted up to the lateral wall that the gas outlet was kept away from to the dust removal case, the lateral. The utility model discloses utilize dust removal case, dust removal otter board and active carbon board can clean boiler waste gas fast, and dust removal otter board and active carbon board easy to assemble are dismantled simultaneously, alleviate the work burden, improve waste heat recovery efficiency.

Description

Biomass fuel boiler's waste heat from flue gas device
Technical Field
The utility model relates to a fuel boiler technical field especially relates to a biomass fuel boiler's flue gas waste heat recovery device.
Background
With the development of society, the environmental protection requirements of various regions are higher and higher, and biomass fuel boilers are gradually becoming the substitute products of the traditional coal, oil and natural gas fuel industrial boilers due to the environmental protection, energy conservation and renewable characteristics of biomass energy. In the prior art, the thermal efficiency of the manual-combustion type boiler and the mechanical-combustion type boiler is about 75-85%, and other heat energy runs off along with the smoke.
When waste heat recovery is carried out on the flue gas of the boiler, because a plurality of dust particles and harmful gases exist in the flue gas, the dust particles can be attached to the inner wall of the heat-insulating shell, the heat-insulating shell is very troublesome to clean, and the harmful gases are discharged with great potential safety hazards.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving among the prior art when carrying out waste heat recovery to the flue gas of boiler, because many dust particles and harmful gas in addition in the flue gas, on the dust particle can adhere to the inner wall of heat preservation casing like this, it is very troublesome to clear up it, and has the problem of great potential safety hazard when harmful gas discharges, and the flue gas waste heat recovery device of a biomass fuel boiler who provides.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a biomass fuel boiler's flue gas waste heat recovery device, includes heat preservation shell and dust removal case, the heat preservation shell is hollow structure, be equipped with the spiral pipe in the heat preservation shell, the both ends of spiral pipe are sealed the inner wall that runs through the heat preservation shell respectively, the gas outlet has been seted up to the lateral wall of dust removal case, lie in outside the heat preservation shell the one end and the gas outlet sealing connection of spiral pipe, the upper end lateral wall joint of dust removal case is connected with sealed case lid, the joint is connected with dust removal otter board and active carbon board between the lower extreme lateral wall of sealed case lid and the lower extreme inner wall of dust removal case, the gas inlet has been seted up to the lateral wall that the gas outlet was kept away from to the.
Preferably, the upper end lateral wall and the lower extreme lateral wall of heat preservation shell all are equipped with the honeycomb duct, two all be equipped with the choke valve on the honeycomb duct.
Preferably, the inner walls of the two sides of the heat preservation shell are fixedly connected with a plurality of pipeline limiting clamps matched with the spiral pipes.
Preferably, a plurality of temperature sensors are arranged in the heat-insulating shell, a display device is fixedly connected to the side wall of the upper end of the heat-insulating shell, and the display device is electrically connected with the temperature sensors.
Preferably, one end of the spiral pipe, which is far away from the dust removal box, is provided with a stop valve.
Preferably, the side wall of the upper end of the sealed box cover is fixedly connected with a pull ring.
Compared with the prior art, the beneficial effects of the utility model are that:
1. firstly, introducing flue gas into a dust removal box, wherein the flue gas can pass through a dust removal screen plate and an activated carbon plate, so that particle impurities in the flue gas can be absorbed, the cleanness of the flue gas is ensured, meanwhile, the activated carbon plate can be used for absorbing harmful gas in the flue gas, then the gas enters a heat insulation shell along a spiral pipe, and water in the heat insulation shell is heated, so that waste heat recovery is completed;
2. utilize the spacing clamp of pipeline to carry the spiral pipe, also can not rock when making it receive the impact of rivers to guarantee the life of spiral pipe, in addition, can accurately measure the temperature in the heat preservation shell in real time through temperature sensor, and show on display device, with the waste heat that guarantees that water can fully absorb in the flue gas.
Drawings
Fig. 1 is a schematic structural diagram of a flue gas waste heat recovery device of a biomass fuel boiler provided by the utility model;
fig. 2 is a schematic structural diagram at a in fig. 1.
In the figure: 1 heat preservation shell, 2 dust removal casees, 3 spiral pipes, 4 sealed case lids, 5 dust removal otter boards, 6 activated carbon boards, 7 intake pipes, 8 honeycomb ducts, 9 choke valves, 10 pipeline spacing clamps, 11 temperature sensor, 12 display device, 13 stop valves, 14 pull rings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-2, a flue gas waste heat recovery device of a biomass fuel boiler comprises a heat preservation shell 1 and a dust removal box 2, wherein the upper end side wall and the lower end side wall of the heat preservation shell 1 are respectively provided with a flow guide pipe 8, two flow guide pipes 8 are respectively provided with a throttle valve 9, water can be quickly injected into the heat preservation shell 1 by utilizing the two flow guide pipes 8 and the two throttle valves 9, and the water which has absorbed enough heat is discharged, the heat preservation shell 1 is convenient and quick, the inner walls of the two sides of the heat preservation shell 1 are respectively and fixedly connected with a plurality of pipeline limiting clamps 10 which are matched with a spiral pipe 3, the spiral pipe 3 can be clamped by the pipeline limiting clamps 10, so that the spiral pipe 3 can not shake under the impact of water flow, thereby ensuring that the spiral pipe 3 has long service life, the heat preservation shell 1 is internally provided with a plurality of temperature sensors 11, the, the temperature sensor 11 can accurately measure the water temperature in the heat preservation shell 1 in real time and display the water temperature on the display device 12, so as to adjust the opening and closing of the stop valve 13 and the throttle valve 9 and ensure that the water can fully absorb the residual heat in the flue gas;
the heat preservation shell 1 is of a hollow structure, the spiral pipe 3 is arranged in the heat preservation shell 1, the contact area with water is large, heat can be rapidly transferred to water, two ends of the spiral pipe 3 are respectively sealed and penetrate through the inner wall of the heat preservation shell 1, one end, far away from the dust removal box 2, of the spiral pipe 3 is provided with a stop valve 13, the stop valve 13 is closed, smoke is left in the spiral pipe 3, the smoke in the spiral pipe 3 can be ensured to be fully transferred to water, the side wall of the dust removal box 2 is provided with a gas outlet, one end, located outside the heat preservation shell 1, of the spiral pipe 3 is in sealing connection with the gas outlet, the upper end side wall of the dust removal box 2 is connected with a sealing box cover 4 in a clamping mode, the upper end side wall of the sealing box cover 4 is fixedly connected with a pull ring 14, the sealing box cover 4 can be easily taken down from the dust removal box, the lateral wall of dust removal case 2, far away from the gas outlet, has seted up the air inlet, and the lateral wall sealing connection of dust removal case 2 has the intake pipe 7 that matches with the air inlet.
When the utility model recovers the waste heat of the boiler waste gas, water is firstly injected into the heat preservation shell 1 through the flow guide pipe 8, then the throttle valve 9 is closed, the boiler smoke is injected into the dust removal box 2 through the air inlet pipe 7, the sealed box cover 4 is utilized to ensure that the boiler smoke cannot escape to cause waste, the boiler smoke enters the spiral pipe 3 through the dust removal box 2, meanwhile, the dust particles in the smoke can be removed through the dust removal mesh plate 5 and the activated carbon plate 6 through the dust removal mesh plate 5, impurities in the smoke can be further absorbed through the activated carbon plate 6, harmful gases in the smoke are removed, the smoke is ensured to be clean and clean, the smoke entering the spiral pipe 3 can be contacted with the water in the heat preservation shell 1, thereby transmitting heat to water, the temperature of the water in the heat preservation shell 1 can be accurately measured in real time by the temperature sensor 11 and displayed on the display device 12, like this the staff can see the temperature in the heat preservation shell 1 in real time to adjust the switching of choke valve 9 and stop valve 13 with this, thereby can retrieve the heat in the flue gas more high-efficiently, and when needs clearance active carbon board 6 and dust removal otter board 5, only need to take off sealed case lid 4 from dust removal case 2, take out active carbon board 6 and dust removal otter board 5 can, simple structure, the practicality is strong.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. A flue gas waste heat recovery device of a biomass fuel boiler comprises a heat preservation shell (1) and a dust removal box (2), it is characterized in that the heat preservation shell (1) is of a hollow structure, a spiral pipe (3) is arranged in the heat preservation shell (1), two ends of the spiral pipe (3) respectively penetrate through the inner wall of the heat preservation shell (1) in a sealing way, an air outlet is arranged on the side wall of the dust removing box (2), one end of the spiral pipe (3) positioned outside the heat preservation shell (1) is hermetically connected with the air outlet, the side wall of the upper end of the dust removing box (2) is connected with a sealed box cover (4) in a clamping way, a dust removal screen plate (5) and an activated carbon plate (6) are clamped and connected between the lower end side wall of the sealed box cover (4) and the lower end inner wall of the dust removal box (2), the air inlet has been seted up to the lateral wall that gas outlet was kept away from in dust removal case (2), the lateral wall sealing connection of dust removal case (2) has intake pipe (7) that match with the air inlet.
2. The flue gas waste heat recovery device of the biomass fuel boiler according to claim 1, wherein the upper end side wall and the lower end side wall of the heat preservation shell (1) are provided with flow guide pipes (8), and the two flow guide pipes (8) are provided with throttle valves (9).
3. The flue gas waste heat recovery device of the biomass fuel boiler according to claim 1, wherein the inner walls of the two sides of the heat preservation shell (1) are fixedly connected with a plurality of pipeline limiting clamps (10) matched with the spiral pipe (3).
4. The flue gas waste heat recovery device of the biomass fuel boiler according to claim 1, wherein a plurality of temperature sensors (11) are arranged in the heat preservation shell (1), a display device (12) is fixedly connected to the side wall of the upper end of the heat preservation shell (1), and the display device (12) is electrically connected with the temperature sensors (11).
5. The flue gas waste heat recovery device of the biomass fuel boiler is characterized in that a stop valve (13) is arranged at one end of the spiral pipe (3) far away from the dust removal box (2).
6. The device for recovering the waste heat of the flue gas of the biomass fuel boiler is characterized in that a pull ring (14) is fixedly connected to the side wall of the upper end of the sealed box cover (4).
CN201921569366.5U 2019-09-20 2019-09-20 Biomass fuel boiler's waste heat from flue gas device Expired - Fee Related CN210485777U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921569366.5U CN210485777U (en) 2019-09-20 2019-09-20 Biomass fuel boiler's waste heat from flue gas device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921569366.5U CN210485777U (en) 2019-09-20 2019-09-20 Biomass fuel boiler's waste heat from flue gas device

Publications (1)

Publication Number Publication Date
CN210485777U true CN210485777U (en) 2020-05-08

Family

ID=70540805

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921569366.5U Expired - Fee Related CN210485777U (en) 2019-09-20 2019-09-20 Biomass fuel boiler's waste heat from flue gas device

Country Status (1)

Country Link
CN (1) CN210485777U (en)

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20200508

Termination date: 20200920

CF01 Termination of patent right due to non-payment of annual fee