CN213375537U

CN213375537U - Boiler flue gas waste heat recovery utilizes device

Info

Publication number: CN213375537U
Application number: CN202021628078.5U
Authority: CN
Inventors: 代会利; 杨会民; 揭林青
Original assignee: Hejian Yingzhou Chemical Co ltd
Current assignee: Hejian Yingzhou Chemical Co ltd
Priority date: 2020-08-07
Filing date: 2020-08-07
Publication date: 2021-06-08
Anticipated expiration: 2030-08-07

Abstract

The utility model discloses a boiler flue gas waste heat recovery utilizes device, including protection casing and gas outlet, the inside of protection casing is provided with the air inlet, and the outside one end of air inlet installs the switching frame, the inside lower extreme of switching frame is provided with links up the axle, and links up the externally mounted of axle and have fixed lagging, the outside one end of fixed lagging is provided with the clearance board, and the outside one end of clearance board installs the switching axle, the outside middle part of switching axle is provided with the filtration gear. This boiler flue gas waste heat recovery utilizes device to filter gear's outside and axle center position are metal gear, and the surplus position is the one deck filter screen, can be when carrying out recovery to boiler flue gas, can carry out filtration treatment to the inside solid state material of flue gas, when avoiding follow-up use heating pipe to carry out waste heat recovery, more solid state material is attached to the inner wall of heating pipe, leads to the possibility that the jam appears in the heating pipe in follow-up use, avoids influencing the waste heat recovery effect.

Description

Boiler flue gas waste heat recovery utilizes device

Technical Field

The utility model relates to a waste heat recovery utilizes technical field, specifically is a boiler flue gas waste heat recovery utilizes device.

Background

The boiler is an energy conversion device, the energy input to the boiler comprises chemical energy and electric energy in fuel, the boiler outputs steam, high-temperature water or an organic heat carrier with certain heat energy, more smoke can be generated in the using process of the boiler, and the smoke contains more heat, so that people pay attention to the recycling of the heat in the smoke.

Waste heat recovery utilizes device in the market can not carry out convenient filtration to the flue gas in the use, leads to piling up the dust easily and blockking up the pipeline in subsequent use, and the influence is to thermal recycle, brings inconvenience for user's use to inconvenient user collects the dust after filtering in the use, for this reason, we improve and innovate on current waste heat recovery utilizes device's basis.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a boiler flue gas waste heat recovery utilizes device to solve the waste heat recovery utilizes device that proposes in the above-mentioned background art and can not carry out convenient filtration to the flue gas in the use, lead to piling up the dust easily in follow-up use and block up the pipeline, the influence is to thermal recycle, brings inconvenience for user's use, and inconvenient user collects the dust after filtering in the use.

In order to achieve the above object, the utility model provides a following technical scheme: a boiler flue gas waste heat recycling device comprises a protective cover and a gas outlet, wherein an air inlet is arranged inside the protective cover, a transfer frame is installed at one end outside the air inlet, a connecting shaft is arranged at the lower end inside the transfer frame, a fixed sleeve plate is installed outside the connecting shaft, a cleaning plate is arranged at one end outside the fixed sleeve plate, a transfer shaft is installed at one end outside the cleaning plate, a filtering gear is arranged in the middle of the outside of the transfer shaft, a connecting gear is installed at one end outside the filtering gear, a connecting shaft is arranged inside the connecting gear, a motor is installed at one end outside the connecting shaft, a utilization processing frame is arranged in the middle of one end outside the transfer frame, the gas outlet is located at one end outside the utilization processing frame, a heat insulation layer is arranged inside the utilization processing frame, and a heating plate is installed inside the heat insulation layer, the inside of hot plate is provided with the heating pipe, the third water tank is installed to the outside front end of heating pipe, and the outside one end of third water tank is provided with the second water tank, first water tank is installed to the outside one end of second water tank, and the outside one end of first water tank is provided with the second connecting pipe, the heat-exchanger pump is installed to the outside one end of second connecting pipe, and the outside one end of heat-exchanger pump is provided with first connecting pipe, the bottom of switching frame is provided with the frame that gathers materials, and gathers materials the inside upper end of frame and install the fixed block, the outside of fixed block is provided with the spacing groove.

Preferably, the filtering gear forms a rotating structure through a connecting gear, a motor and a connecting shaft, and the filtering gear is fixedly connected with the outside of the connecting shaft.

Preferably, be closely laminating between first water tank and the second water tank, and the outside one end of second water tank and third water tank be closely laminating, first water tank and second connecting pipe are the intercommunication, and first water tank is linked together through valve and second water tank.

Preferably, the heat insulation layer is in adhesive connection with the outer part of the heating plate, the heating plate is in welding connection with the heating pipe, and the heating pipe is in an S-shaped structure.

Preferably, the fixed sleeve plate and the cleaning plate are fixedly connected, and the number of the cleaning plates is two.

Preferably, the outer part of the collecting frame is movably connected with the bottom of the inner part of the adapter frame, the top of the inner part of the collecting frame and the fixing block are of an integrated structure, and the shape structure of the outer part of the fixing block is matched with the shape structure of the inner part of the limiting groove.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the metal gear is arranged outside and in the axis position of the filtering gear of the boiler flue gas waste heat recycling device, the filter screen is arranged at the rest part, solid substances in the flue gas can be filtered when the boiler flue gas is recycled, and the possibility that the heating pipe is blocked in the subsequent use process due to the fact that more solid substances are attached to the inner wall of the heating pipe when the heating pipe is subsequently used for waste heat recycling is avoided, and the effect of waste heat recycling is prevented from being influenced;

2. the water tank of the boiler flue gas waste heat recycling device is provided with a plurality of groups, the water tank can fully process heat emitted by recycled flue gas, is made of metal, has good heat conduction effect, absorbs heat of the boiler flue gas through water in the water tank, fully utilizes the flue gas waste heat to improve the temperature of soft water, reduces the consumption of fuel, simultaneously reduces the exhaust temperature of the flue gas, can discharge the heated water through the interaction of a hot water pump, a first connecting pipe and a second connecting pipe, automatically starts the hot water pump after the circulation pump stops running, cools the flue gas passing through a condenser by using hot water in a hot water tank in a circulating manner, automatically stops running after the hot water pump is started, improves convenience for daily life water of a user, is made of heat preservation cotton, has good heat insulation effect, and can heat the water in the water tank by utilizing the boiler flue gas, the high temperature outside the treatment frame is avoided, a user is prevented from being burnt, the user can be well protected, the shape of the whole heating pipe can be designed to slow down the circulation speed of the boiler flue gas, the contact area between the boiler flue gas and the bottom of the water tank is effectively increased, and a better heating effect on the water tank is achieved;

3. this boiler flue gas waste heat recovery utilizes device cleaning plate is located and filters the outside both sides of gear, and the inside surface of cleaning plate is provided with the pappus brush, can be when utilizing the long-time boiler flue gas that filters of filtration gear, the rotatory cleaning plate through filtering the gear can clean the outside filterable dust of filtration gear, make the dust that cleans fall to the inside of frame that gathers materials, effectively avoid filtering the gear and jam appears in long-time use inside mesh bore, moreover, the steam generator is simple in structure, convenient to use person's use, can be after finishing the long-time use to waste heat recovery device, can pull out the frame that gathers materials along the horizontal direction that changes the frame, convenient to use person carries out the clearance concentrated to the dust that drops at the inside frame that gathers materials, convenient to reuse gathers materials frame and waste heat recovery device.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic cross-sectional view of the heating plate of the present invention;

fig. 3 is a schematic view of a side view structure of the transfer frame of the present invention.

In the figure: 1. a protective cover; 2. an air inlet; 3. a transfer frame; 4. a transfer shaft; 5. filtering the gear; 6. a connecting gear; 7. a connecting shaft; 8. a first water tank; 9. a motor; 10. a second water tank; 11. a third water tank; 12. an air outlet; 13. utilizing the processing box; 14. a hot water pump; 15. a first connecting pipe; 16. a second connecting pipe; 17. a connecting shaft; 18. fixing the sleeve plate; 19. cleaning the plate; 20. a thermal insulation layer; 21. heating plates; 22. heating a tube; 23. a material collecting frame; 24. a fixed block; 25. a limiting groove.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a boiler flue gas waste heat recycling device comprises a protective cover 1, an air inlet 2, a switching frame 3, a switching shaft 4, a filtering gear 5, a connecting gear 6, a connecting shaft 7, a first water tank 8, a motor 9, a second water tank 10, a third water tank 11, an air outlet 12, a utilization treatment frame 13, a hot water pump 14, a first connecting pipe 15, a second connecting pipe 16, a connecting shaft 17, a fixed sleeve plate 18, a cleaning plate 19, a heat insulating layer 20, a heating plate 21, a heating pipe 22, a material collecting frame 23, a fixed block 24 and a limiting groove 25, wherein the air inlet 2 is arranged inside the protective cover 1, the switching frame 3 is arranged at one end outside the air inlet 2, the connecting shaft 17 is arranged at the lower end inside the switching frame 3, the fixed sleeve plate 18 is arranged outside the connecting shaft 17, the fixed sleeve plate 18 and the cleaning plate 19 are fixedly connected, the cleaning plate 19 is arranged in two numbers, the cleaning plate 19 is positioned at two sides outside the filtering gear 5, and the inner surface of the cleaning plate 19 is provided with a soft brush, when the boiler flue gas is filtered by using the filtering gear 5 for a long time, the dust filtered outside the filtering gear 5 can be cleaned through the rotary cleaning plate 19 of the filtering gear 5, so that the cleaned dust falls into the inner part of the aggregate frame 23, the blocking of the inner mesh aperture of the filtering gear 5 in the long-time use process is effectively avoided, the structure is simple, the use of a user is convenient, one end outside the fixed sleeve plate 18 is provided with the cleaning plate 19, one end outside the cleaning plate 19 is provided with the adapter shaft 4, the middle part outside the adapter shaft 4 is provided with the filtering gear 5, one end outside the filtering gear 5 is provided with the connecting gear 6, the filtering gear 5 forms a rotary structure through the connecting gear 6, the motor 9 and the connecting shaft 7, and the filtering gear 5 is fixedly connected outside the connecting shaft 7, the metal gear is arranged outside the filtering gear 5 and the axis position, the rest part is a layer of filtering net, when the boiler smoke is recycled, the solid substance inside the smoke can be filtered, when the heating pipe 22 is used for waste heat recovery subsequently, more solid substance is attached to the inner wall of the heating pipe 22, the possibility that the heating pipe 22 is blocked in the subsequent use process is avoided, and the influence on the waste heat recovery effect is avoided, the connecting shaft 7 is arranged inside the connecting gear 6, the motor 9 is arranged at one end outside the connecting shaft 7, the utilization processing frame 13 is arranged in the middle of one end outside the switching frame 3, the air outlet 12 is arranged at one end outside the utilization processing frame 13, the heat insulation layer 20 is arranged inside the utilization processing frame 13, the heating plate 21 is arranged inside the heat insulation layer 20, the heat insulation layer 20 is connected with the outside of the heating plate 21 in an adhesive mode, and the heating plate 21 is connected with, and the shape of the heating tube 22 is an "S" shaped structure;

the heat insulation layer 20 is made of heat insulation cotton, has a good heat insulation effect, can prevent the user from being burnt by utilizing the high temperature outside the treatment frame 13 when water inside the water tank is heated by utilizing boiler smoke, can well protect the user, can reduce the circulation speed of the boiler smoke due to the shape design of the whole heating pipe 22, effectively increases the contact area between the boiler smoke and the bottom of the water tank, and achieves a better heating effect on the water tank, the heating pipe 22 is arranged inside the heating plate 21, the third water tank 11 is arranged at the front end outside the heating pipe 22, the second water tank 10 is arranged at one end outside the third water tank 11, the first water tank 8 is arranged at one end outside the second water tank 10, the second connecting pipe 16 is arranged at one end outside the first water tank 8, the first water tank 8 is tightly attached to the second water tank 10, and the one end outside the second water tank 10 is tightly attached to the third water tank 11, the first water tank 8 is communicated with the second connecting pipe 16, the first water tank 8 is communicated with the second water tank 10 through a valve, the water tanks are provided with a plurality of groups, the heat emitted by the recovered flue gas can be fully treated, the water tanks are made of metal materials, the heat conduction effect is good, the heat in the flue gas of the boiler is absorbed by the water in the water tanks, the waste heat of the flue gas is fully utilized to improve the soft water temperature, the fuel consumption is reduced, the exhaust temperature of the flue gas is reduced, the heated water can be discharged through the interaction of the hot water pump 14, the first connecting pipe 15 and the second connecting pipe 16, the hot water pump 14 is automatically started after the circulating pump stops running, the flue gas passing through the condenser is cooled by the hot water in the hot water tank, the hot water circulating pump stops running automatically after the hot water pump 14 is started, the heated water can be used through the interaction of the hot water pump 14, the first connecting pipe 15 and the second connecting pipe, for the convenience of the daily life water of the user, a hot water pump 14 is installed at one end of the outside of the second connection pipe 16, and a first connecting pipe 15 is arranged at one end of the outside of the hot water pump 14, a material collecting frame 23 is arranged at the bottom of the adapter frame 3, and the upper end of the inside of the aggregate frame 23 is provided with a fixed block 24, the outside of the aggregate frame 23 is movably connected with the bottom of the inside of the adapter frame 3, the top of the inside of the aggregate frame 23 and the fixed block 24 are of an integrated structure, and the shape structure of the outer part of the fixing block 24 is matched with the shape structure of the inner part of the limiting groove 25, can be after finishing the long-time use of waste heat recovery device, can pull out collecting frame 23 along the horizontal direction of switching frame 3, the person of facilitating the use carries out the clearance of concentrating to the dust that drops in collecting frame 23 inside, and the reuse of being convenient for collecting frame 23 and waste heat recovery device, the outside of fixed block 24 is provided with spacing groove 25.

The working principle is as follows: for the boiler flue gas waste heat recycling device, when in use, the outer part and the axle center of the filtering gear 5 are metal gears, the rest part is a layer of filtering net, when in recycling of boiler flue gas, solid substances in the flue gas can be filtered, the inner surface of the cleaning plate 19 is provided with a soft brush, when the boiler flue gas is filtered for a long time by the filtering gear 5, the rotation of the filtering gear 5 is driven by the interaction of the connecting gear 6, the connecting shaft 7 and the motor 9 with the model of Y280M-2, the dust filtered by the outer part of the filtering gear 5 can be cleaned by the rotating cleaning plate 19 of the filtering gear 5, the cleaned dust falls into the collecting frame 23, after the long-time use of the waste heat recycling device is finished, the collecting frame 23 can be pulled out along the horizontal direction of the transfer frame 3, the cleaning that convenient to use person concentrates the dust that drops in the inside of collecting frame 23, and the circulation speed of boiler flue gas can be slowed down in the design of whole heating pipe 22 shape, effectively increase the area of contact of boiler flue gas and water tank bottom, the water tank is provided with the multiunit, can fully handle the heat that the flue gas of retrieving gived off, the water tank is the metal material, the heat conduction effect preferred, carry out the heat absorption through the water of water tank inside to the heat in the boiler flue gas and handle, can be the model through the model to the water after the heating: (JGGC12.5-15 x 3, Q is 12.5m3/H, H is 45m,4KW) hot-water pump 14, can pass through hot-water pump 14 to the water after the heating, the first connecting pipe 15 and the second connecting pipe 16 interact discharges water, make water discharge to storage water tank department, carry out certain buffering to water, increase hot water cooling time, hot-water pump 14 automatic start after the circulating pump stops running, with the flue gas of hot water circulation cooling through the condenser in the hot-water tank, hot-water circulating pump automatic shutdown after hot-water pump 14 starts, so as to circulate the water of water tank inside, make full use of flue gas waste heat improves the soft water temperature, reduce the consumption of fuel, reduce the outer discharge temperature of flue gas simultaneously, the use of whole boiler flue gas waste heat recovery utilizes device has just so been accomplished.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a boiler flue gas waste heat recovery utilizes device, includes protection casing (1) and gas outlet (12), its characterized in that: the air inlet (2) is arranged inside the protective cover (1), the transfer frame (3) is installed at one end outside the air inlet (2), the connecting shaft (17) is arranged at the lower end inside the transfer frame (3), the fixed sleeve plate (18) is installed outside the connecting shaft (17), the cleaning plate (19) is arranged at one end outside the fixed sleeve plate (18), the transfer shaft (4) is installed at one end outside the cleaning plate (19), the filtering gear (5) is arranged in the middle of the outside of the transfer shaft (4), the connecting gear (6) is installed at one end outside the filtering gear (5), the connecting shaft (7) is arranged inside the connecting gear (6), the motor (9) is installed at one end outside the connecting shaft (7), the utilization treatment frame (13) is arranged in the middle of one end outside the transfer frame (3), and the air outlet (12) is located at one end outside the utilization treatment frame (13), a heat insulation layer (20) is arranged inside the utilization treatment frame (13), a heating plate (21) is arranged inside the heat insulation layer (20), a heating pipe (22) is arranged inside the heating plate (21), a third water tank (11) is arranged at the front end outside the heating pipe (22), a second water tank (10) is arranged at one end outside the third water tank (11), a first water tank (8) is arranged at one end outside the second water tank (10), and one end of the outside of the first water tank (8) is provided with a second connecting pipe (16), a hot water pump (14) is arranged at one end of the outer part of the second connecting pipe (16), a first connecting pipe (15) is arranged at one end outside the hot water pump (14), a material collecting frame (23) is arranged at the bottom of the switching frame (3), and a fixing block (24) is installed at the upper end of the inside of the aggregate frame (23), and a limiting groove (25) is arranged outside the fixing block (24).

2. The boiler flue gas waste heat recycling device according to claim 1, characterized in that: filter gear (5) and constitute revolution mechanic through connecting gear (6), motor (9) and connecting axle (7), and the outside of connecting axle (7) has to filter gear (5) and be fixed connection.

3. The boiler flue gas waste heat recycling device according to claim 1, characterized in that: be closely laminating between first water tank (8) and second water tank (10), and the outside one end of second water tank (10) is closely laminating with third water tank (11), first water tank (8) are the intercommunication with second connecting pipe (16), and first water tank (8) are linked together through valve and second water tank (10).

4. The boiler flue gas waste heat recycling device according to claim 1, characterized in that: the heat insulation layer (20) is connected with the outer part of the heating plate (21) in an adhesion mode, the heating plate (21) is connected with the heating pipe (22) in a welding mode, and the heating pipe (22) is of an S-shaped structure.

5. The boiler flue gas waste heat recycling device according to claim 1, characterized in that: the fixed sleeve plate (18) is fixedly connected with the cleaning plate (19), and the number of the cleaning plate (19) is two.

6. The boiler flue gas waste heat recycling device according to claim 1, characterized in that: the outside of the collecting frame (23) is movably connected with the bottom inside the transfer frame (3), the top inside the collecting frame (23) and the fixing block (24) are of an integrated structure, and the shape structure outside the fixing block (24) is matched with the shape structure inside the limiting groove (25).