CN220135501U - Fuel conveying device for steam boiler - Google Patents

Abstract

The utility model discloses a fuel conveying device for a steam boiler, which belongs to the technical field of boilers and comprises a high-temperature-resistant conveyor for conveying fuel of the steam boiler, wherein a protection box with openings at two ends is arranged on the periphery of the conveyor, two sides of the protection box are connected with shielding plates, a first fan is embedded and installed at the top end of one shielding plate, the top end of the first fan is communicated with a water pipe, the side surface of the protection box is connected with a liquid storage box, one side end part of the water pipe is connected with the inner wall of the liquid storage box, the inner wall of the protection box is connected with a second fan and a third fan with opposite wind directions, the side surface of the protection box is connected with two inclined first electric push rods corresponding to the shielding plates, and the side surface of the first electric push rods is connected with an auxiliary threaded rod. The fuel conveying device for the steam boiler not only can convey and remove dust, but also can carry out multiple adjustments, thereby meeting different use requirements.

Description

Fuel conveying device for steam boiler

Technical Field

The utility model belongs to the technical field of boilers, and particularly relates to a fuel conveying device for a steam boiler.

Background

The boiler is an energy conversion device, the energy input to the boiler is in the forms of chemical energy, electric energy, heat energy of high-temperature flue gas and the like in fuel, and the steam boiler is one of the boilers.

The large-scale steam boiler adopts fixed fuel to burn and heat, for example coal, wood fuel etc. and the solid fuel can adopt manual feeding or utilize conveyor to carry continuously, and to conveyor, traditional fuel's conveyor does not have dust collector mostly, and dust-raising appears easily when coal and wood fuel carry, influences staff and operational environment.

Chinese patent document (grant bulletin number CN 214581194U) is used for the fuel conveying device of steam boiler, and the device is carried conveniently, and is equipped with the dampproofing and fireproof baffle, firstly can play the dampproofing effect of fire prevention, secondly can keep off the dust in the time of the unloading and fly in disorder, guaranteed the environment in workshop and the security of carrying fuel to set up the blowing degree in the top of conveyer belt can cooperate the conveyer belt to carry out the unloading, consequently can not lead to crowding and accumulational condition to take place, the effectual efficiency that carries that has improved. However, the dust removing device is not provided, so that dust is easy to occur when coal and wooden fuel are conveyed, and working personnel and working environment are affected.

Disclosure of Invention

The utility model aims to provide a fuel conveying device for a steam boiler, which solves the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a fuel conveyor for steam boiler, includes the high temperature resistant conveyer that is used for steam boiler's fuel to carry, the periphery of conveyer is provided with the both ends and has open-ended guard box, the both sides of guard box all are connected with the shielding plate, and the first fan of embedded installation in top of one of them shielding plate, the top intercommunication of first fan has the water pipe, the side of guard box is connected with the receiver, and the one side end connection of water pipe is at the inner wall of receiver, the inner wall connection of guard box has the second fan and the third fan that the wind direction is opposite.

As the preferable scheme, the side of guard box is connected with two first electric putter that slope corresponds with the shielding plate, the side of first electric putter is connected with supplementary threaded rod, and supplementary threaded rod threaded connection has two screwed pipes that are used for the card shielding plate.

As the preferable scheme, the side surface of the conveyor far away from the first fan is also rotationally connected with a U-shaped material receiving plate, and the periphery of the material receiving plate is sleeved with a U-shaped extension plate.

As the preferable scheme, two vertical inner walls of extension board are connected with the slider, two spouts with slider adaptation have been seted up to two vertical outer walls of receiving the flitch.

As a preferable scheme, the side face of the conveyor is connected with an inclined second electric push rod, and the side face of the second electric push rod is connected with a pulley for jacking.

As a preferable scheme, a threaded channel is formed in the side face of the extension plate, and the threaded channel is in threaded connection with a tight threaded rod.

As the preferable scheme, the bottom of guard box rotates and is connected with a plurality of hydraulic stems, and the bottom of hydraulic stem is connected with the counter weight plectane that is used for being connected with ground.

Compared with the prior art, the utility model has the technical effects and advantages that:

according to the fuel conveying device for the steam boiler, due to the design of the first fan, the second fan and the third fan, the first fan and the second fan can be used for pumping air near the protection box and the boiler into the liquid storage box, so that dust can be removed, heat near the boiler is utilized, certain preheating and drying can be assisted on fuel, if preheating and drying are not needed, the third fan can be started, air is pumped into the boiler, so that the air is pumped into the boiler as much as possible, dust is treated, and combustion of the boiler can be improved;

due to the design of the protection box and the shielding plate, the protection box can protect the conveyor and the dye on the conveyor, the shielding plate can also be protected, the inclination of the shielding plate can be adjusted by clamping the threaded pipe through the adjustment of the hydraulic rod, and different use requirements are met;

thanks to the design of the material receiving plate, the second electric push rod and the hydraulic rod, the material receiving plate can receive the falling fuel, so that the fuel falls into a prepared boiler along with gravity, the second electric push rod can change the inclination of the material receiving plate, and the hydraulic rod can change the inclination of the protection box, so that different use requirements are met;

the fuel conveying device for the steam boiler not only can convey and remove dust, but also can carry out multiple adjustments, thereby meeting different use requirements.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the structure of the present utility model;

fig. 2 is a right side view of the protective case of the present utility model;

FIG. 3 is a front view of the auxiliary threaded rod of the present utility model;

fig. 4 is a schematic structural view of the receiving plate and the extension plate of the present utility model.

Reference numerals illustrate:

in the figure: 1. a conveyor; 2. a protection box; 3. a shielding plate; 4. a first fan; 5. a water pipe; 6. a liquid storage box; 7. a second fan; 8. a third fan; 9. a first electric push rod; 10. an auxiliary threaded rod; 11. a threaded tube; 12. a receiving plate; 13. an extension plate; 14. a slide block; 15. a second electric push rod; 16. a pulley; 17. a hydraulic rod; 18. a counterweight circular plate; 19. and (5) abutting against the threaded rod.

Detailed Description

In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present utility model. It will be apparent, however, to one skilled in the art that the utility model may be practiced without one or more of these details. In other instances, well-known features have not been described in detail in order to avoid obscuring the utility model.

The connection mode can adopt the prior modes such as bonding, welding, bolting and the like, and is based on the actual requirement.

In order to process fuel and remove dust, a fuel conveying device for a steam boiler as shown in fig. 1 to 4 comprises a high temperature resistant conveyor 1 for conveying fuel for the steam boiler, the conveyor 1 is started, the fuel to be used is guided into the conveyor 1 by a feeding device, the fuel is conveyed by the conveyor 1 and then falls onto a receiving plate 12 and falls into the boiler, a protection box 2 with openings at two ends is arranged on the periphery of the conveyor 1, the conveyor 1 is of the prior art and has a certain high temperature resistant function, the temperature near the boiler is higher than normal temperature, two sides of the protection box 2 are rotatably connected with shielding plates 3, a first fan 4 is embedded and installed at the top end of one shielding plate 3 through a hinge or a hinge, the top intercommunication of first fan 4 has water pipe 5, the side of guard box 2 is connected with reservoir box 6, the liquid level of reservoir box 6 is higher than the tip of water pipe 5, and water pipe 5's one side end connection is at the inner wall of reservoir box 6, the inner wall of guard box 2 is connected with second fan 7 and third fan 8 that the wind direction is opposite, second fan 7 is the same with the wind direction of first fan 4, second fan 7 sets up between two third fans 8, according to the dry and wet condition of fuel, if be certain moist, can open first fan 4 and second fan 7, take out the air into reservoir box 6 and remove dust, and cooperate the heat that takes out, preheat and dry the fuel, if the drier, open third fan 8, take out the air into the boiler, the dust is also one and get into the boiler, supplementary burning.

In order to adjust the inclination that shelters from, the side of guard box 2 is connected with two first electric putter 9 that incline and shielding plate 3 correspond, inclination selects according to actual need, and the side of first electric putter 9 is connected with supplementary threaded rod 10, and supplementary threaded rod 10 threaded connection has two screwed pipes 11 that are used for blocking shielding plate 3 to do not need parallel to block, as long as can support, adjust first electric putter 9, utilize screwed pipe 11 fixed shielding plate 3, adjust the angle of shielding plate 3.

In order to carry out material connection and regulation, the side that conveyer 1 kept away from first fan 4 still rotates and is connected with U style of calligraphy and connects flitch 12, connect flitch 12's periphery to cup joint U style of calligraphy extension board 13, two vertical inner walls of extension board 13 are connected with slider 14, two spouts with slider 14 adaptation are seted up to two vertical outer walls of flitch 12, slider 14 and the cooperation of spout, can promote the degree of coordination between flitch 12 and the extension board 13, conveyer 1 side is connected with inclined second electric putter 15, the side of second electric putter 15 is connected with the pulley 16 that is used for the jack-up, the regulation of the gradient of flitch 12 and extension board 13 is for lifting earlier, then adjust second electric putter 15, and not utilize electric putter 15 to promote the regulation, adjust hydraulic stem 17, second electric putter 15, and adjust flitch 12, if the length is not enough, can pull extension board 13, guarantee that the fuel accurately drops into the boiler, the screw thread passageway has been seted up to the side of extension board 13, screw thread passageway threaded connection has and supports the threaded rod 19 tightly, support the screw rod is tightly 19 through rotating.

For adjustment and support fixing, the bottom end of the protection box 2 is rotatably connected with a plurality of hydraulic rods 17, the bottom end of each hydraulic rod 17 is connected with a counterweight circular plate 18 used for being connected with the ground, the counterweight circular plates 18 are fixedly connected with the ground by using countersunk bolts, punching is performed after adjustment, the punching position is not selected and adjusted by firstly punching, and punching is performed as required after adjustment.

The conveyor 1, the first fan 4, the second fan 7, the third fan 8, the first electric push rod 9, the second electric push rod 15 and the hydraulic rod 17 are all arranged in the prior art, and the working principle, the size and the model are irrelevant to the functions of the utility model, so that the functions are not described, the functions are controlled by a remote control switch, and the power is supplied by the whole 220V mains supply.

Principle of operation

According to the fuel conveying device for the steam boiler, if the fuel is wet, the first fan 4 and the second fan 7 can be started, air is pumped into the liquid storage box 6 to remove dust, the pumped heat is matched for preheating and drying the fuel, if the fuel is dry, the third fan 8 is started, the air is pumped into the boiler, and the dust is also fed into the boiler to assist combustion;

according to the requirement, the hydraulic rod 17 and the second electric push rod 15 are adjusted, the material receiving plate 12 is adjusted, then the first electric push rod 9 is adjusted, the shielding plate 3 is fixed by the threaded pipe 11, the conveyor 1 is started, the fuel required to be used is introduced into the conveyor 1 by using the feeding equipment, the fuel is conveyed by the conveyor 1, and then the fuel falls onto the material receiving plate 12 and falls into the boiler.

It should be noted that relational terms such as one and two are 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.

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

Claims (7)

1. A fuel delivery device for a steam boiler, comprising a high temperature resistant conveyor (1) for fuel delivery of the steam boiler, characterized in that: the periphery of conveyer (1) is provided with both ends and has open-ended guard box (2), the both sides of guard box (2) all are connected with shielding plate (3), and first fan (4) are installed to the top of one of them shielding plate (3) is embedded, the top intercommunication of first fan (4) has water pipe (5), the side of guard box (2) is connected with reservoir (6), and water pipe (5) one side end connection at the inner wall of reservoir (6), the inner wall connection of guard box (2) has second fan (7) and third fan (8) that the wind direction is opposite.

2. A fuel delivery apparatus for a steam boiler as set forth in claim 1, wherein: the side of guard box (2) is connected with two first electric putter (9) that slope corresponds with shielding plate (3), the side of first electric putter (9) is connected with supplementary threaded rod (10), and supplementary threaded rod (10) threaded connection has two screwed pipes (11) that are used for blocking shielding plate (3).

3. A fuel delivery apparatus for a steam boiler as set forth in claim 1, wherein: the side of the conveyor (1) far away from the first fan (4) is also rotationally connected with a U-shaped receiving plate (12), and the periphery of the receiving plate (12) is sleeved with a U-shaped extension plate (13).

4. A fuel delivery apparatus for a steam boiler according to claim 3, wherein: two vertical inner walls of extension board (13) are connected with slider (14), two spouts with slider (14) adaptation are seted up to two vertical outer walls of receiving board (12).

5. A fuel delivery apparatus for a steam boiler according to claim 3, wherein: the side of the conveyor (1) is connected with an inclined second electric push rod (15), and the side of the second electric push rod (15) is connected with a pulley (16) for jacking.

6. A fuel delivery apparatus for a steam boiler as set forth in claim 4, wherein: a threaded channel is formed in the side face of the extension plate (13), and the threaded channel is in threaded connection with a tight threaded rod (19).

7. A fuel delivery apparatus for a steam boiler as set forth in claim 2, wherein: the bottom of the protection box (2) is rotatably connected with a plurality of hydraulic rods (17), and the bottom of the hydraulic rods (17) is connected with a counterweight circular plate (18) used for being connected with the ground.