CN214949186U - Primary air fan heating device - Google Patents

Abstract

The utility model discloses a fan heater, the induction cooker comprises a cooker bod, the external connection of furnace body has the air preheater, the bottom of furnace body is provided with drainage mechanism, drainage mechanism's outside pipe connection has the heater, the place ahead of heater is connected with the fan, the top pipe connection of heater has the gas drainage subassembly, gas drainage subassembly and air preheater pipe connection, drainage mechanism includes the drain pipe, the internally mounted of drain pipe has the clamp plate, the outside edge cover of clamp plate is equipped with the rubber circle, spring two is installed to the bottom of clamp plate, the below of spring two is connected with the buoyancy piece, the below of buoyancy piece is connected with spring three, one side fixedly connected with hot-water line of drain pipe, the outlet has been seted up to the opposite side of drain pipe, the centre of outlet is installed the dodge gate, has the air inlet of heating and prevents air preheater dewfall, The characteristic of ash formation.

Description

Primary air fan heating device

Technical Field

The utility model relates to a fan air inlet heating technical field specifically is a primary air fan heating device.

Background

The air preheater will normally start, needs the air inlet temperature that the air preheater was reached to the air blower, and current air blower mostly does not take heating function, and consequently the air inlet mostly can't reach the air inlet temperature of air preheater, can't reach the air inlet temperature and can make the inside dewfall of air preheater, the ash deposition, influence the operation of air preheater, consequently, it is very necessary to design a primary air fan heating device that the air inlet of heating prevented air preheater dewfall, ash deposition.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a primary air fan heating device to solve the problem that proposes among the above-mentioned background art.

In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides a primary air fan heating device, includes the furnace body, the external connection of furnace body has the air preheater, the bottom of furnace body is provided with drainage mechanism, drainage mechanism's external pipe connection has the heater, the place ahead of heater is connected with the fan, the top pipe connection of heater has the gas drainage subassembly, gas drainage subassembly and air preheater pipe connection.

Preferably, the drainage mechanism comprises a drainage pipe, a pressing plate is arranged inside the drainage pipe, and a rubber ring is sleeved at the outer edge of the pressing plate.

Preferably, a second spring is installed at the bottom of the pressing plate, a buoyancy block is connected below the second spring, a third spring is connected below the buoyancy block, and a hot water pipe is fixedly connected to one side of the drain pipe.

Preferably, the outlet has been seted up to the opposite side of drain pipe, the dodge gate is installed to the centre in outlet, the dodge gate divide into first door and second door, the swivel becket is installed to the centre of first door and second door, the torsional spring door is installed to the top in outlet.

Preferably, the gas drainage subassembly includes the water feeding pipe, recoil mechanism is installed in the middle section of water feeding pipe, recoil mechanism includes the filter screen, the filter screen is installed inside the water feeding pipe, the recoil pipe is installed to one side of water feeding pipe, the below connector internally mounted of recoil pipe and water feeding pipe has the push pedal, the rear fixedly connected with spring one of push pedal, the buoyancy ball is installed to the below of spring one, electrode switch is installed to the inner wall of recoil pipe, the outside cover of water feeding pipe is established and is installed the solenoid valve, solenoid valve and filter screen fixed connection.

Preferably, a drain pipe is arranged in the filter screen.

Compared with the prior art, the utility model discloses the beneficial effect who reaches is:

(1) when a heater is not additionally arranged on the fan, the primary air inlet temperature of the fan is insufficient, so that the air preheater is blocked by condensation and ash deposition in the air preheater to influence the overall operation of the furnace body;

(2) by arranging the drainage mechanism, after high-temperature water in the gas drainage assembly is saturated, redundant high-temperature water can be drained into a trench, so that the flow of a water pipe in the gas drainage assembly cannot be increased rapidly, and the normal operation of the gas drainage assembly is ensured;

(3) through being provided with recoil mechanism for when the filter screen in the water pipe is blockked up by impurity, can be through recoil pipe recoil filter screen, make the impurity on the filter screen erode totally, make the water pipe keep unblocked.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of the recoil mechanism of the present invention;

FIG. 3 is a schematic structural view of the drainage mechanism of the present invention;

in the figure: 1. a furnace body; 2. an air preheater; 3. a heater; 4. a fan; 5. a gas drainage assembly; 6. a recoil mechanism; 7. a drainage mechanism; 8. an electromagnetic valve; 9. back flushing the pipe; 10. an electrode switch; 11. pushing the plate; 12. a first spring; 13. a buoyant ball; 14. a water feeding pipe; 15. filtering with a screen; 16. a blow-off pipe; 17. a torsion spring door; 18. pressing a plate; 19. a water outlet; 20. a movable door; 21. a rubber ring; 22. a second spring; 23. a buoyancy block; 24. a third spring; 25. and a water discharge pipe.

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: the utility model provides a primary air fan heating device, including furnace body 1, the external connection of furnace body 1 has air preheater 2, the bottom of furnace body 1 is provided with drainage mechanism 7, drainage mechanism 7's external pipe connection has heater 3, the place ahead of heater 3 is connected with fan 4, the top pipe connection of heater 3 has gas drainage subassembly 5, gas drainage subassembly 5 and 2 pipe connection of air preheater, when not installing heater 3 additional for fan 4, fan 4's primary air inlet temperature is not enough, cause the inside condensation and the ash deposition of air preheater 2 and block up air preheater 2, influence the whole operation of furnace body 1, install heater 3 back additional, the high temperature that discharges into the trench originally with furnace body 1 through gas drainage subassembly 5 is even discharged water usefulness, heat fan 4's primary air inlet temperature, reach the normal air inlet temperature of air preheater 2, make the whole steady operation of furnace body 1.

Drainage mechanism 7 includes drain pipe 25, the internally mounted of drain pipe 25 has clamp plate 18, the outside edge cover of clamp plate 18 is equipped with rubber circle 21, drainage mechanism 7 installs the below at furnace body 1, when the high-temperature water in the furnace body 1 was discharged, high-temperature water flowed into drain pipe 25, high-temperature water strikes clamp plate 18, the effect of rubber circle 21 lies in filling up the gap between drain pipe 25 and the clamp plate 18 through the ductility, when high-temperature water struck clamp plate 18, rubber circle 21 played the absorbing effect, prevent that clamp plate 18 from turning on one's side under the impact.

Spring two 22 is installed to the bottom of clamp plate 18, spring two 22's below is connected with buoyancy piece 23, buoyancy piece 23's below is connected with spring three 24, one side fixedly connected with hot-water line of drain pipe 25, high temperature is clamp plate 18 under water, clamp plate 18 continuously descends to the hot-water line mouth of pipe through spring two 22 and spring three 24 and exposes, high temperature water passes through hot-water line entering heater 3, the air-out temperature of fan 4 is heated by gas drainage subassembly 5 again, high temperature water in the gas drainage subassembly 5 reaches the saturation, when need not into high-temperature water again, drainage mechanism 7 can't lead to the outside delivery of hot-water line again, the water pressure increase in the hot-water line this moment, high temperature water begins the backward flow, the high temperature water of backward flow, extrude clamp plate 18, clamp plate 18 takes place the lateral bend through spring two 22 are whole, high temperature water flows into the below of clamp plate 18, buoyancy piece 23 meets the water come-up, upwards promote clamp plate 18.

The other side of the drain pipe 25 is provided with a drain port 19, a movable door 20 is arranged in the middle of the drain port 19, the movable door 20 is divided into a first door and a second door, a rotating ring is arranged in the middle of the first door and the second door, a torsion spring door 17 is arranged above the drain port 19, when high-temperature water does not enter the drain mechanism 7, the movable door 20 is opened at ninety degrees, when the high-temperature water enters the rear pressure plate 18 and falls down, the second door in the drain pipe 25 is pressed downwards, the tail part of the second door is arc-shaped, the arc-shaped can enable the pressure plate 18 to more smoothly pass through the second door, at the moment, the first door rotates anticlockwise and upwards, a top fixing shaft of the first door is embedded into the torsion spring door 17, at the moment, the drain port 19 is closed by the movable door 20, when the high-temperature water in the air drainage component 5 is saturated, and the high-temperature water flows back, the pressure plate 18 is pushed by the buoyancy block 23 to rise and simultaneously closes the hot water pipe, the high-temperature water above the pressure plate 18 continuously impacts the pressure plate 18, at this time, the floating force of the buoyancy block 23 below the pressure plate 18 prevents the pressure plate 18 from moving downward, the water pressure of the high-temperature water above the pressure plate 18 increases and impacts the inner wall of the drain pipe 25, the water pressure simultaneously impacts the movable door 20, the movable door 20 is pushed by the water pressure to be separated from the torsion spring door 17, the drain port 19 is opened, and the redundant high-temperature water flows into the trench from the drain port 19.

The gas drainage component 5 comprises a water feeding pipe 14, a backflushing mechanism 6 is installed in the middle section of the water feeding pipe 14, the backflushing mechanism 6 comprises a filter screen 15, the filter screen 15 is installed inside the water feeding pipe 14, a backflushing pipe 9 is installed on one side of the water feeding pipe 14, a push plate 11 is installed inside a lower connecting port of the backflushing pipe 9 and the water feeding pipe 14, a spring I12 is fixedly connected to the rear of the push plate 11, a buoyancy ball 13 is installed below the spring I12, an electrode switch 10 is installed on the inner wall of the backflushing pipe 9, an electromagnetic valve 8 is sleeved outside the water feeding pipe 14, the electromagnetic valve 8 is fixedly connected with the filter screen 15, impurities are contained in high-temperature water produced in the furnace body 1, the high-temperature water is introduced into the filter screen 15 inside the water feeding pipe 14 to help to filter the impurities in the high-temperature water, the water feeding pipe 14 can be blocked after the impurities are accumulated in the filter screen 15 too much, and when the water feeding pipe 14 is blocked by too much impurities in the filter screen 15, the high-temperature water flows into the backflushing pipe 9 from the side edge, rivers promote push pedal 11 and move backward through spring 12, rivers contact buoyancy ball 13 when push pedal 11 moves backward, buoyancy ball 13 come-up, touch electrode switch 10, electrode switch 10 opens the back and closes solenoid valve 8, solenoid valve 8 closes back high temperature water and dashes into backwash pipe 9 in a large number, filter screen 15 one side is connected at the top of backwash pipe 9, high temperature water is constantly through the impurity of backwash pipe 9 impact filter screen 15 top, impurity in filter screen 15 is by the clean back of high temperature water-washed, upper hose 14 switches on, make the water pressure that flows into in backwash pipe 9 reduce, spring 12 pushes back push pedal 11, buoyancy ball 13 breaks away from electrode switch 10 this moment, solenoid valve 8 opens, gas drainage subassembly 5 switches on.

A drain pipe 16 is installed inside the filter screen 15, and impurities in the filter screen 15 are discharged outside the water feeding pipe 14 from the drain pipe 16.

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.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. The utility model provides a primary air fan heating device, includes furnace body (1), its characterized in that: the air preheater is characterized in that an air preheater (2) is connected to the outside of the furnace body (1), a drainage mechanism (7) is arranged at the bottom of the furnace body (1), a heater (3) is connected to an external pipeline of the drainage mechanism (7), a fan (4) is connected to the front of the heater (3), an air drainage component (5) is connected to a pipeline above the heater (3), and the air drainage component (5) is connected with the air preheater (2) through a pipeline.

2. A primary air fan heating apparatus according to claim 1, wherein: drainage mechanism (7) include drain pipe (25), the internally mounted of drain pipe (25) has clamp plate (18), the outside edge cover of clamp plate (18) is equipped with rubber circle (21).

3. A primary air fan heating apparatus according to claim 2, wherein: a second spring (22) is installed at the bottom of the pressing plate (18), a buoyancy block (23) is connected below the second spring (22), a third spring (24) is connected below the buoyancy block (23), and a hot water pipe is fixedly connected to one side of the drain pipe (25).

4. A primary air fan heating apparatus as claimed in claim 3, wherein: the outlet (19) has been seted up to the opposite side of drain pipe (25), dodge gate (20) are installed to the centre of outlet (19), dodge gate (20) divide into first door and second door, the swivel becket is installed to the centre of first door and second door, torsional spring door (17) are installed to the top of outlet (19).

5. A primary air fan heating apparatus according to claim 4, wherein: gas drainage subassembly (5) include water pipe (14), recoil mechanism (6) are installed to the middle section of water pipe (14) of going up, recoil mechanism (6) include filter screen (15), filter screen (15) are installed inside water pipe (14), recoil pipe (9) are installed to one side of water pipe (14), recoil pipe (9) and the below connector internally mounted of water pipe (14) have push pedal (11), the rear fixedly connected with spring (12) of push pedal (11), buoyancy ball (13) are installed to the below of spring (12), electrode switch (10) are installed to the inner wall of recoil pipe (9), the outside cover of water pipe (14) is established and is installed solenoid valve (8), solenoid valve (8) and filter screen (15) fixed connection.

6. A primary air fan heating apparatus according to claim 5, wherein: and a sewage discharge pipe (16) is arranged in the filter screen (15).

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