CN217604135U - Flue gas introducing device for boiler - Google Patents

Abstract

The utility model discloses a flue gas introduction device for boilers, which relates to the technical field of boilers. In view of the existing flue gas introduction device for boilers, the function is single, it is inconvenient to disassemble and clean the impurity filter plate, and the dust on the filter plate accumulates too much over time. The problems of affecting the impurity adsorption efficiency, poor use effect and low work efficiency are proposed as follows, including the boiler body and the introduction box, the boiler body and the introduction box are fixedly connected to each other with the same connecting pipe, so One side of the boiler body is fixedly connected with a mixed air intake pipe, the top of the introduction box is fixedly connected with an exhaust pipe, and a side of the introduction box close to the boiler body is fixedly installed with an air pump. The utility model has reasonable structure design and simple operation, can quickly disassemble and clean the filter screen plate, improves the adsorption efficiency of impurities in the flue gas, has good use effect and high work efficiency.

Description

A boiler flue gas introduction device

technical field

The utility model relates to the technical field of boilers, in particular to a flue gas introduction device for boilers.

Background technique

The boiler is an energy conversion device. The energy input to the boiler includes chemical energy and electrical energy in the fuel. The boiler outputs steam, high-temperature water or organic heat carrier with certain thermal energy. The original meaning of the boiler refers to a water container heated on a fire. , The furnace refers to the place where fuel is burned. The boiler includes two parts: the boiler and the furnace. The hot water or steam generated in the boiler can directly provide the required thermal energy for industrial production and people's life, and can also be converted into mechanical energy through a steam power device, or regenerated. The boiler that converts mechanical energy into electrical energy through a generator and provides hot water is called a hot water boiler, which is mainly used in life. There are also a small number of boilers that generate steam in industrial production. Ships, locomotives and industrial and mining enterprises are composed of boilers and furnaces. The upper water-containing part is the boiler, and the lower heating part is the furnace. The integrated design of the boiler and the furnace is called the boiler; the boiler is an energy converter, which is a Equipment that uses the heat energy or other heat energy released by fuel combustion to heat working water or other fluids to certain parameters. The flue gas often has a high temperature. In order to realize the reuse of heat, a flue gas introduction device for boilers is urgently needed. .

However, the existing boiler flue gas introduction device has a single function, and it is inconvenient to disassemble and clean the impurity filter plate. Over time, excessive dust accumulation on the filter plate affects the impurity adsorption efficiency, and the use effect is poor and the work efficiency is low.

Utility model content

The purpose of the utility model is to solve the problem that the existing flue gas introduction device for boilers has a single function, and it is inconvenient to disassemble and clean the impurity filter plate. Over time, the accumulation of dust on the filter plate affects the impurity adsorption efficiency, the use effect is poor, and the work efficiency is low. However, a flue gas introduction device for boilers is proposed.

In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions:

A flue gas introduction device for a boiler includes a boiler body and an introduction box, the boiler body and the introduction box are fixedly connected to one side with the same connection pipe, and one side of the boiler body is fixedly connected to a mixing inlet. The top of the introduction box is fixedly connected with an exhaust pipe, the side of the introduction box close to the boiler body is fixedly installed with an air extraction pump, and the air extraction end of the air extraction pump is fixedly connected with the introduction box, so The exhaust end of the air suction pump is fixedly connected with a circulation pipe, and the top of the circulation pipe is fixedly connected with the mixed intake pipe;

The side of the introduction box away from the boiler body is fixedly connected with four connecting plates, the side of the introduction box away from the boiler body is provided with two grooves, and the inner wall of one side of the groove is opened with A through hole, a sealing plate is clamped in the groove, an adsorption plate is movably installed on one side of the sealing plate, a U-shaped plate is fixedly connected to the other side of the sealing plate, and the other side of the sealing plate is fixedly connected with a U-shaped plate. A horizontally arranged worm is rotatably connected, the worm is rotatably connected to the U-shaped plate, a threaded sleeve is rotatably connected to the top of the U-shaped plate, and a worm wheel is fixedly connected to the threaded sleeve, and the worm is connected to the U-shaped plate. The worm gears are engaged with each other, and the threaded sleeve is internally threaded with two threaded rods, and the threaded rods are slidably connected with the corresponding connecting plates.

Preferably, two symmetrically arranged fixing plates are fixedly connected to one side of the sealing plate, and the sides of the two fixing plates that are close to each other are movably connected to the corresponding adsorption plates through bolts.

Preferably, a plurality of guide plates are fixedly connected in the introduction box, and the adsorption plates are in contact with the corresponding guide plates.

Preferably, a vertical plate is fixedly connected to the top and bottom of the U-shaped plate, a sliding slot is opened on one side of the vertical plate, a connecting rod is fixedly connected to the threaded rod, and the connecting rod is slidably connected to the corresponding in the corresponding chute.

Preferably, a circular groove is formed on the other side of the sealing plate, an inner ring of a bearing is fixedly sleeved on the worm, and the outer ring of the bearing is fixedly connected with the inner wall of the circular groove.

Preferably, two limiting rings are fixedly sleeved on the threaded sleeve, and the limiting rings are in contact with the U-shaped plate.

In the utility model, the described flue gas introduction device for boilers rotates by rotating the worm, the worm is engaged with the worm wheel to drive the worm wheel to rotate, the rotation of the worm wheel drives the threaded sleeve to rotate, and the rotation of the threaded sleeve drives the corresponding two The threaded rods are close to each other, and when the threaded rods are not in contact with the connecting plate, the adsorption plate can be taken out and cleaned and replaced;

In the utility model, in the above-mentioned flue gas introduction device for boiler, the air extraction pump is activated, and the air extraction pump introduces the flue gas introduced into the box into the boiler body through the circulation pipe, and the two adsorption plates can effectively reduce the impurities attached to the surface thereof. , prolong the service life of the adsorption plate and improve the adsorption efficiency of the adsorption plate;

The utility model has reasonable structure design and simple operation, can quickly disassemble and clean the filter screen plate, improves the adsorption efficiency of impurities in the flue gas, has good use effect and high work efficiency.

Description of drawings

Fig. 1 is the three-dimensional structure schematic diagram of a kind of boiler flue gas introduction device proposed by the utility model;

FIG. 2 is a schematic cross-sectional structural schematic diagram of a front view of a flue gas introduction device for a boiler proposed by the utility model;

FIG. 3 is a schematic structural diagram of part A of a boiler flue gas introduction device proposed by the utility model.

In the figure: 1. Boiler body; 2. Introduction box; 3. Mixing inlet pipe; 4. Connecting pipe; 5. Exhaust pipe; 6. Air pump; 7. Circulation pipe; 8. Sealing plate; 9. Fixing plate; 10, adsorption plate; 11, U-shaped plate; 12, connecting plate; 13, worm; 14, threaded sleeve; 15, worm gear; 16, threaded rod; 17, vertical plate; 18, chute; 19, connecting rod; 20. Guide plate.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example.

1-3, an embodiment provided by this solution: a boiler flue gas introduction device, including a boiler body 1 and an introduction box 2, and the side of the boiler body 1 and the introduction box 2 that are close to each other is fixedly communicated with the same Connecting pipe 4, one side of the boiler body 1 is fixedly connected with a mixed intake pipe 3, the top of the introduction box 2 is fixedly connected with an exhaust pipe 5, and the side of the introduction box 2 close to the boiler body 1 is fixedly installed with an air pump 6, and the air pump The suction end of 6 is fixedly communicated with the introduction box 2, the exhaust end of the suction pump 6 is fixedly connected with a circulation pipe 7, and the top of the circulation pipe 7 is fixedly connected with the mixed intake pipe 3;

The side of the introduction box 2 away from the boiler body 1 is fixedly connected with four connecting plates 12, the side of the introduction box 2 away from the boiler body 1 is provided with two grooves, and the inner wall of one side of the groove is provided with a through hole, and the groove A sealing plate 8 is clamped inside, an adsorption plate 10 is movably installed on one side of the sealing plate 8, a U-shaped plate 11 is fixedly connected to the other side of the sealing plate 8, and a horizontally arranged worm is rotatably connected to the other side of the sealing plate 8 13. The worm 13 is rotatably connected with the U-shaped plate 11. The top of the U-shaped plate 11 is rotatably connected with a threaded sleeve 14. The threaded sleeve 14 is fixedly connected with a worm wheel 15. The worm 13 is engaged with the worm wheel 15. Two threaded rods 16 are threadedly connected, and the threaded rods 16 are slidably connected with the corresponding connecting plates 12 .

Referring to FIG. 2 , in this embodiment, two symmetrically arranged fixing plates 9 are fixedly connected to one side of the sealing plate 8 , and the sides of the two fixing plates 9 that are close to each other are movably connected to the corresponding adsorption plates 10 through bolts, so as to facilitate the Remove the adsorption plate 10 for cleaning and replacement.

Referring to FIG. 3 , in this embodiment, two limit rings are fixedly sleeved on the threaded sleeve 14 , and the limit rings are in contact with the U-shaped plate 11 to limit the position of the threaded sleeve 14 .

Referring to FIG. 2 , in this embodiment, a plurality of guide plates 20 are fixedly connected in the introduction box 2 , and the adsorption plates 10 are in contact with the corresponding guide plates 20 , which facilitates the installation of the adsorption plates 10 and supports the adsorption plates 10 . .

3, in this embodiment, the other side of the sealing plate 8 is provided with a circular groove, the inner ring of the bearing is fixedly sleeved on the worm 13, and the outer ring of the bearing is fixedly connected with the inner wall of the circular groove, so that the rotation of the worm 13 more stable.

Referring to FIG. 3 , in this embodiment, the top and bottom of the U-shaped plate 11 are fixedly connected with a vertical plate 17 , one side of the vertical plate 17 is provided with a chute 18 , and a connecting rod 19 is fixedly connected to the threaded rod 16 . 19 is slidably connected in the corresponding chute 18 to guide the threaded rod 16 .

Working principle, when it is necessary to disassemble the adsorption plate 10 for cleaning and replacement, turn the knob, the knob drives the worm 13 to rotate, the worm 13 engages with the worm wheel 15 to drive the worm wheel 15 to rotate, the rotation of the worm wheel 15 drives the threaded sleeve 14 to rotate, and the threaded sleeve 14 rotates. The rotation drives the corresponding two threaded rods 16 to approach each other. When the threaded rods 16 are not in contact with the connecting plate 12, the adsorption plate 10 can be taken out and cleaned and replaced. When the flue gas needs to be introduced, it is only necessary to start The suction pump 6, the suction pump 6 introduces the flue gas introduced into the box 2 into the boiler body 1 through the circulation pipe 7, and the two adsorption plates 10 can effectively reduce the impurities attached to the surface, prolong the service life of the adsorption plate 10, and improve the adsorption plate. 10 adsorption efficiency.

The above description is only a preferred embodiment of the present invention, but the protection scope of the present invention is not limited to this. Equivalent replacement or modification of the new technical solution and its utility model concept shall be included within the protection scope of the present utility model.

Claims (6)

1. The utility model provides a flue gas introducing device for boiler, includes boiler body (1) and introduces case (2), its characterized in that: one side, close to each other, of the boiler body (1) and the introduction box (2) is fixedly communicated with a same connecting pipe (4), one side of the boiler body (1) is fixedly communicated with a mixed air inlet pipe (3), the top of the introduction box (2) is fixedly communicated with an exhaust pipe (5), one side, close to the boiler body (1), of the introduction box (2) is fixedly provided with an air suction pump (6), the air suction end of the air suction pump (6) is fixedly communicated with the introduction box (2), the exhaust end of the air suction pump (6) is fixedly communicated with a circulating pipe (7), and the top end of the circulating pipe (7) is fixedly communicated with the mixed air inlet pipe (3);

introduce case (2) and keep away from four connecting plates (12) of one side fixedly connected with of boiler body (1), it keeps away from to introduce case (2) two recesses have been seted up to one side of boiler body (1), the through-hole has been seted up on one side inner wall of recess, closing plate (8) are equipped with to the card in the recess, one side movable mounting of closing plate (8) has adsorption plate (10), opposite side fixedly connected with U template (11) of closing plate (8), the opposite side of closing plate (8) is rotated and is connected with worm (13) that the level set up, worm (13) with U template (11) are rotated and are connected, the top of U template (11) is rotated and is connected with threaded sleeve (14), fixedly connected with worm wheel (15) on threaded sleeve (14), worm (13) with worm wheel (15) mesh mutually, threaded sleeve (14) threaded rod (16) have two threaded rod (16), threaded rod (16) and corresponding connecting plate (12) sliding connection.

2. The flue gas introduction apparatus for a boiler according to claim 1, wherein: one side of the sealing plate (8) is fixedly connected with two symmetrically arranged fixing plates (9), and one side of each fixing plate (9) which is close to each other is movably connected with the corresponding adsorption plate (10) through a bolt.

3. The flue gas introduction apparatus for a boiler according to claim 1, wherein: a plurality of guide plates (20) are fixedly connected in the lead-in box (2), and the adsorption plates (10) are in contact with the corresponding guide plates (20).

4. The flue gas introduction apparatus for a boiler according to claim 1, wherein: the top and the equal fixedly connected with riser (17) in bottom of U template (11), spout (18) have been seted up to one side of riser (17), fixedly connected with connecting rod (19) are gone up in threaded rod (16), connecting rod (19) sliding connection is corresponding in spout (18).

5. The flue gas introducing apparatus for a boiler according to claim 1, wherein: the other side of the sealing plate (8) is provided with a circular groove, the worm (13) is fixedly sleeved with an inner ring of a bearing, and an outer ring of the bearing is fixedly connected with the inner wall of the circular groove.

6. The flue gas introducing apparatus for a boiler according to claim 1, wherein: the threaded sleeve (14) is fixedly sleeved with two limiting rings, and the limiting rings are in contact with the U-shaped plate (11).

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