CN220321338U - Energy-saving device structure of 7MW gas water-heating boiler - Google Patents

Energy-saving device structure of 7MW gas water-heating boiler Download PDF

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Publication number
CN220321338U
CN220321338U CN202322004742.9U CN202322004742U CN220321338U CN 220321338 U CN220321338 U CN 220321338U CN 202322004742 U CN202322004742 U CN 202322004742U CN 220321338 U CN220321338 U CN 220321338U
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China
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energy
saving device
top plate
plate
boiler
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CN202322004742.9U
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Chinese (zh)
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王忠生
赵金城
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Huadian Beijing Thermoelectricity Co ltd
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Huadian Beijing Thermoelectricity Co ltd
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Abstract

An energy-saving device structure of a 7MW gas-fired hot water boiler. The flue gas circulation is not smooth due to the blockage of the water pipe fin of the boiler energy-saving device, and the exhaust pressure is increased; the boiler economizer needs to be replaced after six years of operation, and the replacement of the economizer above the boiler is inconvenient and has high cost. The composition of the utility model comprises: the energy-saving device comprises an energy-saving device (3), wherein an opening (9) is formed in the top of the energy-saving device, flat iron (1) is welded at the opening, a plurality of fixing studs (10) are welded on the flat iron, a top plate (2) is covered on the opening, the top plate is connected with the top of the energy-saving device through a hinge, a plurality of round holes (11) corresponding to the fixing studs are formed in the top plate, and the fixing studs are connected with nuts in a threaded mode after penetrating through the round holes in the top plate. The utility model is used for the gas hot water boiler energy-saving device.

Description

Energy-saving device structure of 7MW gas water-heating boiler
Technical Field
The utility model relates to a 7MW gas-fired hot water boiler energy-saving device structure.
Background
The energy saver of the 7MW gas-fired hot water boiler is an integrated energy saver of a sealed welded steel plate and is fixedly arranged above the left side of the boiler. The inside of the energy-saving device is a phi 42 multiplied by 3.5mmND steel seamless steel pipe, fins are arranged outside the steel pipe for improving heat dissipation, the steel pipe is arranged according to the smoke circulation direction, a 6mm thick welding steel plate is arranged around the energy-saving device, the left side of the energy-saving device is provided with a water inlet header and a water outlet header, the right side of the energy-saving device is provided with a U-shaped pipe, smoke passes through the energy-saving device from front to back, the temperature of furnace water is improved by passing smoke of the energy-saving device, the discharge temperature of external smoke is reduced, heat loss is reduced, and the heating efficiency is improved.
Disadvantages of the prior art:
the existing energy saver is a closed energy saver, dirt in the boiler running for a long time blocks the water pipe fins of the energy saver, so that the heat exchange efficiency is seriously reduced, the heat of the flue gas cannot be utilized, the temperature of discharged flue gas is increased, the heat loss of the boiler is increased, and the efficiency is reduced; the boiler runs for many years, so that the boiler is corroded and scaled by low-temperature smoke and moisture of a later-stage water pipe, the fins are seriously blocked and cannot be cleaned, and the efficiency is reduced; the only way to increase the efficiency of the boiler economizer is to replace the economizer; the flue gas circulation is not smooth due to the blockage of the water pipe fin of the boiler energy-saving device, and the exhaust pressure is increased;
the boiler economizer needs to be replaced after six years of operation, and the replacement of the economizer above the boiler is inconvenient and has high cost.
Disclosure of Invention
The utility model aims to solve the technical problems and provides a 7MW gas hot water boiler energy-saving device structure.
The above object is achieved by the following technical scheme:
an energy-saving device structure of a 7MW gas-fired hot water boiler, comprising: the energy-saving device is characterized in that an opening is formed in the top of the energy-saving device, flat iron is welded at the opening, a plurality of fixing studs are welded on the flat iron, a top plate is covered on the opening, the top plate is connected with the top of the energy-saving device through a hinge, a plurality of round holes corresponding to the fixing studs are formed in the top plate, and the fixing studs penetrate through the round holes in the top plate and are connected with nuts through threads.
The energy-saving device structure of the 7MW gas water-heating boiler is characterized in that a sealing gasket is fixed on the lower bottom surface of the top plate.
The energy-saving device structure of the 7MW gas-fired hot water boiler comprises a plate, two plates and three plates, wherein the plate is welded on the top plate, the two plates are welded on the top of the energy-saving device, sliding holes are formed in the plate, one ends of the three plates are connected with the two plates through bolts, and the other ends of the three plates are connected with the one plate through bolts.
Advantageous effects
1. According to the utility model, the upper top plate of the energy-saving device is cut into a rectangular opening, flat irons are welded below the top plate, the fixing studs are welded on the flat irons, through holes are formed in the top plate, the sealing gasket is added for sealing when the top plate is fastened, the right side of the top plate of the energy-saving device is connected with the energy-saving device in an additional hinging mode, the top plate can be turned to one side when the energy-saving device is cleaned, the carrying workload is reduced, and the working efficiency is improved.
Drawings
FIG. 1 is a front view of the present utility model;
FIG. 2 is a top view of the present utility model;
FIG. 3 is a schematic view of the structure with the top plate flipped open;
FIG. 4 is an enlarged view of portion A of FIG. 1;
FIG. 5 is an enlarged view of section B of FIG. 2;
in the figure: 1. a flat iron; 2. a top plate; 3. an energy-saving device; 4. a plate; 5. a slide hole; 6. two plates; 7. three plates; 8. a sealing gasket; 9. an opening; 10. fixing a stud; 11. and a round hole.
Detailed Description
Referring to fig. 1 to 5, a 7MW gas water heater boiler economizer structure comprises: the energy-saving device 3, the top of the energy-saving device offer opening 9, the opening part welding have band iron 1, the band iron on weld a plurality of fixed double-screw bolts 10, the band iron is the structure of a day style of calligraphy, the opening upper cover have roof 2, the roof with the energy-saving device top pass through the articulated ware and be connected, the roof on offer a plurality of with fixed double-screw bolts be located corresponding round hole 11, fixed double-screw bolts pass behind the round hole on the roof with nut threaded connection.
The lower bottom surface of the top plate is fixed with a sealing gasket 8.
When the sealing device is used, the top plate is covered at the opening, the fixing studs on the flat iron penetrate through the round holes on the top plate and are in threaded connection with the nuts, so that the top plate is fixed, meanwhile, the sealing gasket is arranged on the lower bottom surface of the top plate, and sealing can be realized through the sealing gasket;
the hinge comprises a first plate 4, a second plate 6 and a third plate 7, wherein the first plate is welded on the top plate, the second plate is welded on the top of the energy saver, a sliding hole 5 is formed in the first plate, one end of the third plate is connected with the second plate through a bolt, and the other end of the third plate is connected with the first plate through a bolt;
through setting up the articulated ware and being connected roof and energy-saving appliance top, can realize when needs clear up the energy-saving appliance through this connection that the roof overturns, because the roof upset is circular arc upset route, consequently set up the articulated ware, one board passes through slide hole department bolted connection with two boards, can stimulate the roof like this when the roof overturns, guarantees the smooth upset of roof.

Claims (3)

1. An energy-saving device structure of a 7MW gas-fired hot water boiler, comprising: an energy saver, characterized by: the energy-saving device is characterized in that an opening is formed in the top of the energy-saving device, flat iron is welded at the opening, a plurality of fixing studs are welded on the flat iron, a top plate is covered on the opening, the top plate is connected with the top of the energy-saving device through a hinge, a plurality of round holes corresponding to the fixing studs are formed in the top plate, and the fixing studs penetrate through the round holes in the top plate and are connected with nuts in a threaded mode.
2. The 7MW gas-fired hot water boiler economizer structure according to claim 1 wherein: the lower bottom surface of the top plate is fixed with a sealing gasket.
3. The 7MW gas-fired hot water boiler economizer structure according to claim 2, characterized by: the hinge device comprises a plate, two plates and three plates, wherein the plate is welded on the top plate, the two plates are welded on the top of the energy-saving device, sliding holes are formed in the plate, one ends of the three plates are connected with the two plates through bolts, and the other ends of the three plates are connected with the plate through bolts.
CN202322004742.9U 2023-07-28 2023-07-28 Energy-saving device structure of 7MW gas water-heating boiler Active CN220321338U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322004742.9U CN220321338U (en) 2023-07-28 2023-07-28 Energy-saving device structure of 7MW gas water-heating boiler

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322004742.9U CN220321338U (en) 2023-07-28 2023-07-28 Energy-saving device structure of 7MW gas water-heating boiler

Publications (1)

Publication Number Publication Date
CN220321338U true CN220321338U (en) 2024-01-09

Family

ID=89420058

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322004742.9U Active CN220321338U (en) 2023-07-28 2023-07-28 Energy-saving device structure of 7MW gas water-heating boiler

Country Status (1)

Country Link
CN (1) CN220321338U (en)

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