CN214094580U

CN214094580U - Be used for corrosion-resistant air heater of heating boiler

Info

Publication number: CN214094580U
Application number: CN202023190951.XU
Authority: CN
Inventors: 田倩倩; 王凯凯; 李明松
Original assignee: Shandong Yuchen Industrial Equipment Co ltd
Current assignee: Shandong Yuchen Industrial Equipment Co ltd
Priority date: 2020-12-26
Filing date: 2020-12-26
Publication date: 2021-08-31
Anticipated expiration: 2030-12-26

Abstract

The utility model discloses a be used for corrosion-resistant air heater of heating boiler, including support frame, fixed screw and heat-conducting plate, the top of support frame is fixed with the anticorrosive coating, and the inside of anticorrosive coating is fixed with the casing, the middle part of casing is fixed with the thermovent, and the middle part of thermovent is fixed with the connecting plate, the inside lower extreme of connecting plate is fixed with the bottom plate, and the upper end of bottom plate is fixed with the connecting piece, the middle part of fixed screw is fixed with the heat exchange tube, and the fixed screw is located the middle part of connecting piece, the middle part of heat exchange tube is fixed with the heat pipe. This be used for corrosion-resistant air heater of heating boiler, through the use of support frame, anticorrosive coating and casing, the support frame of bottom is fixed the air heater machine, increases the stability of equipment when using, and the anticorrosive coating on surface cooperates the casing to use, and is slightly high, corrosion-resistant, and life-span life is longer, runs into some slight collisions and can not lead to the surface to receive the damage.

Description

Be used for corrosion-resistant air heater of heating boiler

Technical Field

The utility model relates to an air heater technical field specifically is a be used for the corrosion-resistant air heater of heating boiler.

Background

The air preheater is a preheating device which is used for improving the heat exchange performance of a boiler and reducing the energy consumption, is generally divided into three types of plate type, rotary type and tubular type, is also called an air preheater for short, is a preheating device for improving the heat exchange performance of the boiler and reducing the heat loss, has the function of transmitting heat carried in smoke exhausted from a flue at the tail of the boiler into air before the boiler through radiating fins to preheat the air to a certain temperature, is generally called an air preheater for short, is mainly used for a coal-fired power station boiler, is divided into two types of rotary type and heating surface, is commonly used for the power station boiler, and is generally divided into two sub-bins and a rotary type, and is applied to the boiler, Three-divided bin and four-divided bin, wherein the four-divided bin is more commonly used in the circulating fluidized bed boiler.

The existing air preheater is large in size, large in overall weight, easy to cause large abrasion of heat transfer elements, complex in structure, high in power consumption and large in air leakage amount, the heat transfer elements in the air preheater are made of thin plates and are arranged densely, the heating surface per unit volume is high, the metal temperature at the lower part of the heat transfer elements is low, the metal temperature is lowest when the air preheater runs at low load, dust is easy to accumulate, the heat conduction speed in the air preheater is low, the heat dissipation effect is poor, no dust cleaning equipment is arranged in the air preheater, a large amount of dust can be accumulated after long-time use, the equipment is damaged and cannot be used, the use requirements of people cannot be well met, and technical innovation is performed on the basis of the existing air preheater aiming at the situation.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a be used for corrosion-resistant air heater of heating boiler, it is bigger to propose current air heater volume ratio in solving above-mentioned background art, whole weight is big, heat transfer element causes great wearing and tearing easily, and the structure is complicated, power consumption, it is great to leak the amount of wind, the heat transfer element of the inside of air heater comprises the sheet metal, it is very dense to arrange, the unit volume receives the hot side very high, its lower metal temperature is low, low-load operation is minimum, easy deposition, inside heat conduction speed is slow, the radiating effect is relatively poor, inside does not have the equipment of clearance dust, a large amount of ashes can be piled up in long-time use, cause the damage of equipment and can't use, can not be fine satisfy people's user demand problem.

In order to achieve the above object, the utility model provides a following technical scheme: a corrosion-resistant air preheater for a heating boiler comprises a support frame, fixing screws and a heat conducting plate, wherein an anticorrosive layer is fixed above the support frame, a shell is fixed inside the anticorrosive layer, a heat dissipation port is fixed in the middle of the shell, a connecting plate is fixed in the middle of the heat dissipation port, a bottom plate is fixed at the lower end inside the connecting plate, a connecting piece is fixed at the upper end of the bottom plate, a heat exchange pipe is fixed in the middle of the fixing screws, the fixing screws are located in the middle of the connecting piece, the heat conduction pipe is fixed in the middle of the heat exchange pipe, a dispersion box is fixed on the left side of the heat conduction pipe, a connector is fixed on the left side of the dispersion box, an air inlet pipe is fixed inside the connector, a handle is fixed above the right side of the air inlet pipe, a fixing block is fixed below the right side of the handle, a vent is fixed on the right side of the heat conducting plate, and the heat conducting plate is located in the middle of the fixing block, the air outlet pipe is fixed to the right side below of the ventilation opening, the fan is fixed to the left side below of the air outlet pipe, the collecting bin is fixed to the lower portion of the fan, and the ash removing door is fixed to the right side of the inner portion of the collecting bin.

Preferably, the support frames are symmetrical with each other about a vertical center line of the anticorrosive coating, and the vertical center line of the anticorrosive coating is perpendicular to the vertical center line of the shell.

Preferably, the heat dissipation openings are symmetrical about a vertical center line of the connecting plate, and the vertical center line of the bottom plate coincides with the vertical center line of the connecting plate.

Preferably, the connectors are symmetrical with each other about a vertical center line of the heat exchange tube, and the inner dimension of the heat exchange tube is matched with the outer dimension of the heat conduction tube.

Preferably, the horizontal center line of the dispersion box coincides with the horizontal center line of the air inlet pipe, and the connectors are connected with the air inlet pipe through welding.

Preferably, the inner surface of the fixing block is tightly attached to the outer surface of the heat conducting plate, and the horizontal center line of the heat conducting plate is overlapped with the horizontal center line of the air outlet pipe.

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

1. the air preheater machine is fixed by the support frame at the bottom through the use of the support frame, the anticorrosive coating and the shell, so that the stability of the equipment in use is improved, the anticorrosive coating on the surface is matched with the shell for use, and the air preheater machine is light, high, corrosion-resistant and longer in service life, and can not be damaged when meeting slight collision;

2. the utility model discloses in through the use of thermovent, connecting plate and bottom plate, the bottom plate of bottom cooperates the connecting plate in middle part, and is more convenient and fast when using the installation, has increased installation rate and efficiency, through the continuous quick exhaust of gas of inside with the thermovent of outside;

3. the utility model discloses in through the use of connecting piece, heat exchange tube and heat pipe, the connecting piece carries out fastening connection with the heat exchange tube when using, has increased that the heat exchange tube is stable, and the cooperation heat pipe uses, and the more quick dispersion transmission with inside fog makes outside thermovent can be more quick dispel the heat, and is fast, efficient.

Drawings

FIG. 1 is a schematic view of the whole cross-section structure of the present invention;

FIG. 2 is a schematic view of the structure of the present invention;

fig. 3 is a schematic view of the top view structure of the present invention.

In the figure: 1. a support frame; 2. an anticorrosive layer; 3. a housing; 4. a heat dissipation port; 5. a connecting plate; 6. a base plate; 7. a connecting member; 8. fixing screws; 9. a heat exchange pipe; 10. a heat conducting pipe; 11. a dispersion box; 12. a connecting port; 13. an air inlet pipe; 14. a handle; 15. a fixed block; 16. a heat conducting plate; 17. a vent; 18. an air outlet pipe; 19. a fan; 20. a collection bin; 21. and a dust removing door.

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 corrosion-resistant air preheater for a heating boiler comprises a support frame 1, a fixing screw 8 and a heat conducting plate 16, wherein an anticorrosive layer 2 is fixed above the support frame 1, a shell 3 is fixed inside the anticorrosive layer 2, a heat dissipation port 4 is fixed in the middle of the shell 3, a connecting plate 5 is fixed in the middle of the heat dissipation port 4, a bottom plate 6 is fixed at the lower end inside the connecting plate 5, a connecting piece 7 is fixed at the upper end of the bottom plate 6, a heat exchange tube 9 is fixed in the middle of the fixing screw 8, the fixing screw 8 is located in the middle of the connecting piece 7, a heat conducting tube 10 is fixed in the middle of the heat exchange tube 9, a dispersion box 11 is fixed on the left side of the heat conducting tube 10, a connecting port 12 is fixed on the left side of the dispersion box 11, an air inlet tube 13 is fixed inside the connecting port 12, a handle 14 is fixed above the right side of the air inlet tube 13, a fixing block 15 is fixed below the right side of the handle 14, a vent 17 is fixed on the right side of the heat conducting plate 16, and the heat conducting plate 16 is positioned in the middle of the fixed block 15, an air outlet pipe 18 is fixed below the right side of the vent 17, a fan 19 is fixed below the left side of the air outlet pipe 18, a collection bin 20 is fixed below the fan 19, and an ash removal door 21 is fixed on the right side of the interior of the collection bin 20.

The utility model discloses in: the support frames 1 are symmetrical about the vertical center line of the anticorrosive coating 2, and the vertical center line of the anticorrosive coating 2 is vertical to the vertical center line of the shell 3; through the use of support frame 1, anticorrosive coating 2 and casing 3, the support frame 1 of bottom is fixed the air heater machine, increases the stability of equipment when using, and anticorrosive coating 2 cooperation casing 3 on surface uses, slightly high, and is corrosion-resistant, and life is longer, runs into some slight collisions and can not lead to the surface to receive the damage.

The utility model discloses in: the heat dissipation ports 4 are symmetrical about the vertical center line of the connecting plate 5, and the vertical center line of the bottom plate 6 is superposed with the vertical center line of the connecting plate 5; through the use of thermovent 4, connecting plate 5 and bottom plate 6, the connecting plate 5 at bottom 6 cooperation middle part has increased installation rate and efficiency convenient and fast more when using the installation, discharges inside gas fast through the thermovent 4 of outside is continuous.

The utility model discloses in: the connecting pieces 7 are symmetrical about the vertical central line of the heat exchange tube 9, and the inner size of the heat exchange tube 9 is matched with the outer size of the heat conduction tube 10; through the use of connecting piece 7, heat exchange tube 9 and heat pipe 10, connecting piece 7 carries out fastening connection with heat exchange tube 9 when using, and it is stable to have increased heat exchange tube 9, and cooperation heat pipe 10 uses, and the more quick disperses the transmission with inside fog, makes outside thermovent 4 can be more quick dispel the heat, and is fast, efficient.

The utility model discloses in: the horizontal center line of the dispersion box 11 is coincided with the horizontal center line of the air inlet pipe 13, and the connecting ports 12 are connected with the air inlet pipe 13 through welding; through the use of dispersion case 11, connector 12 and intake pipe 13, the use is connected through the welding to outside connector 12 and intake pipe 13, and the cooperation is used between the two, and is more convenient to be connected with the boiler, and the leakproofness is stronger, and the junction can not produce the gap, and is inseparabler.

The utility model discloses in: the inner surface of the fixed block 15 is tightly attached to the outer surface of the heat conducting plate 16, and the horizontal center line of the heat conducting plate 16 is coincided with the horizontal center line of the air outlet pipe 18; through the use of fixed block 15, heat-conducting plate 16 and outlet duct 18, inside heat-conducting plate 16 is when carrying out the transmission heat, and the fan 19 of cooperation bottom will be attached to the surface dust at heat-conducting plate 16 and clear up, and the higher efficiency of guarantee equipment avoids the damage of inside heat-conducting plate 16.

The working principle of the air preheater for corrosion resistance of the heating boiler is as follows: firstly, whether external start is normally used or not needs to be checked before use, the air inlet pipe 13 and the air outlet pipe 18 on two sides need to be connected, and the air inlet pipe and the air outlet pipe can be directly used after connection is finished;

secondly, when the device is used, the device is started, gas in the boiler enters the device from the gas inlet pipe 13, when the gas contacts fog, the gas is dispersed by the dispersing box 11 and is heated by the heat conduction pipes 10, then the heat exchange pipes 9 in the device can better support the heating of the heat conduction pipes 10 and fix the heat conduction pipes stably, and the transmission speed of the heat conduction pipes 10 is increased; secondly, the heat conducting plate 16 inside distributes and dissipates heat through the heat dissipating port 4 through mist conversion; then, when the internal fog is converted, dust is generated and is sucked by an internal fan 19, the dust converted by combustion is stored in a collection bin 20 and is cleaned by an external dust cleaning door 21;

last air heater's overall operation is simple, and convenient to use uses other equipment to remove fixedly it through the handle 14 of top, and the support frame 1 of bottom has increased air heater's stability, and inside is equipped with the deashing storehouse, increases air heater equipment's life time.

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 be used for corrosion-resistant air heater of heating boiler, includes support frame (1), set screw (8) and heat-conducting plate (16), its characterized in that: the anti-corrosion device is characterized in that an anti-corrosion layer (2) is fixed above the support frame (1), a shell (3) is fixed inside the anti-corrosion layer (2), a heat dissipation port (4) is fixed at the middle part of the shell (3), a connecting plate (5) is fixed at the middle part of the heat dissipation port (4), a bottom plate (6) is fixed at the lower end inside the connecting plate (5), a connecting piece (7) is fixed at the upper end of the bottom plate (6), a heat exchange pipe (9) is fixed at the middle part of a fixing screw (8), the fixing screw (8) is located at the middle part of the connecting piece (7), a heat conduction pipe (10) is fixed at the middle part of the heat exchange pipe (9), a dispersion box (11) is fixed at the left side of the heat conduction pipe (10), a connection port (13) is fixed at the left side of the dispersion box (11), an air inlet pipe (13) is fixed at the inside of the connection port (12), a handle (14) is fixed above the right side of the air inlet pipe (13), and the right side below of handle (14) is fixed with fixed block (15), the right side of heat-conducting plate (16) is fixed with vent (17), and heat-conducting plate (16) are located the middle part of fixed block (15), the right side below of vent (17) is fixed with outlet duct (18), and the left side below of outlet duct (18) is fixed with fan (19), the below of fan (19) is fixed with collects storehouse (20), and the inside right side of collecting storehouse (20) is fixed with deashing door (21).

2. A corrosion resistant air preheater for a heating boiler as set forth in claim 1, wherein: the support frames (1) are symmetrical relative to the vertical center line of the anticorrosive coating (2), and the vertical center line of the anticorrosive coating (2) is perpendicular to the vertical center line of the shell (3).

3. A corrosion resistant air preheater for a heating boiler as set forth in claim 1, wherein: the heat dissipation openings (4) are symmetrical about the vertical center line of the connecting plate (5), and the vertical center line of the bottom plate (6) is superposed with the vertical center line of the connecting plate (5).

4. A corrosion resistant air preheater for a heating boiler as set forth in claim 1, wherein: the connecting pieces (7) are symmetrical with each other about the vertical center line of the heat exchange tube (9), and the inner size of the heat exchange tube (9) is matched with the outer size of the heat conduction tube (10).

5. A corrosion resistant air preheater for a heating boiler as set forth in claim 1, wherein: the horizontal center line of the dispersion box (11) is coincided with the horizontal center line of the air inlet pipe (13), and the connecting ports (12) are connected with the air inlet pipe (13) through welding.

6. A corrosion resistant air preheater for a heating boiler as set forth in claim 1, wherein: the inner surface of the fixing block (15) is tightly attached to the outer surface of the heat conducting plate (16), and the horizontal central line of the heat conducting plate (16) is coincided with the horizontal central line of the air outlet pipe (18).