CN216244392U

CN216244392U - Temperature difference detection type automatic air preheater soot blower

Info

Publication number: CN216244392U
Application number: CN202122837214.2U
Authority: CN
Inventors: 王英; 胡杨; 金相辰; 于霜; 柏余杰
Original assignee: Suzhou Vocational Institute of Industrial Technology
Current assignee: Kunshan Graspeon Precision Machinery Co ltd
Priority date: 2021-11-19
Filing date: 2021-11-19
Publication date: 2022-04-08
Anticipated expiration: 2031-11-19

Abstract

The utility model discloses a temperature difference detection type automatic air preheater soot blower, which comprises an air preheater outer wall, wherein a fan structure is fixedly arranged on the inner side wall of the air preheater outer wall, a fixing box is fixedly arranged on the upper side wall of a fixing plate, a thermocouple is fixedly arranged on the right side wall of the fixing box, an electromagnet is fixedly arranged on the upper side wall of an inner cavity of the fixing box, a spring is fixedly arranged on the upper side wall of the fixing plate, a magnetic plate is fixedly arranged on the upper side wall of the spring, a round rod is fixedly arranged on the lower side wall of the magnetic plate, an annular contact is embedded and arranged on the inner side wall of a through hole, and a metal contact is fixedly arranged at the lower end of the round rod. Can conveniently finish the dust cleaning work.

Description

Temperature difference detection type automatic air preheater soot blower

Technical Field

The utility model relates to a temperature difference detection type automatic air preheater soot blower.

Background

In reality, often can use the air preheater to preheat work to the air, and then be convenient for going on of work afterwards, and the energy can be saved, but after the air preheater uses for a long time, can fall the dust on its outer wall internal surface, when the dust is enough much, can influence the outer work of air preheater, and then make the air preheating work of air preheater not good, if can design one kind can effectively detect how much of dust and carry out the air preheater soot blower of soot blowing work, just can solve this kind of problem I, for this reason, we provide a difference in temperature detection formula automatic air preheater soot blower.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a temperature difference detection type automatic air preheater soot blower to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a temperature difference detection type automatic air preheater soot blower comprises an air preheater outer wall, wherein a fan structure is fixedly mounted on the inner side wall of the air preheater outer wall, a fixing plate is fixedly mounted on the upper side of the outer side wall of the air preheater outer wall, a fixing box is fixedly mounted on the upper side wall of the fixing plate, a thermocouple is fixedly mounted on the right side wall of the fixing box, an outer side heat conducting sheet is fixedly assembled on the outer side wall of the air preheater outer wall, an inner side heat conducting sheet is fixedly assembled on the inner side wall of the air preheater outer wall, the outer side heat conducting sheet and the outer side wall of the inner side heat conducting sheet are respectively connected to the upper end and the lower end of the thermocouple through heat conducting rods, an electromagnet is fixedly mounted on the upper side wall of an inner cavity of the fixing box and is connected with the thermocouple in series through a wire, a spring is fixedly mounted on the upper side wall of the fixing plate, a magnetic plate is fixedly mounted on the upper side wall of the spring, and a round rod is fixedly mounted on the lower side wall of the magnetic plate, the fan structure, the annular contact, the metal contact and an external power supply are connected in series through wires.

Preferably, the fan structure includes the dead lever, and the even fixed mounting of dead lever in the inside wall of air preheater outer wall, the inner fixed mounting of dead lever has the fixed block, the right side wall fixed mounting of fixed block has the fan.

Preferably, the right side wall of the fixed box is fixedly provided with a protection frame, and the thermoelectric couple and the outer side heat conducting fin are both positioned in the protection frame.

Preferably, the fixed box's inside wall bilateral symmetry fixed mounting has the stopper, and the last lateral wall laminating of magnetic sheet in the lower lateral wall of stopper.

Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, through the structure of the outer wall of the air preheater, the fan structure, the fixing plate, the fixing box, the thermocouple, the outer side heat conducting strip, the inner side heat conducting strip, the electromagnet, the magnetic plate, the round rod, the annular contact and the metal contact, after ash falls in the outer wall of the air preheater, the outer side temperature is lower than the inner side temperature, so that the thermocouple forms a larger current, the electromagnet is promoted to generate a larger magnetic force, the magnetic plate and the round rod are driven to move downwards, the metal contact is contacted with the annular contact, the fan structure is started, and the ash removal work can be conveniently completed.

Drawings

Fig. 1 is a front sectional view of the present invention.

Fig. 2 is a partially enlarged view of a portion a of fig. 1 according to the present invention.

In the figure: 1. the air preheater comprises an outer wall, 2, a fan structure, 21, a fixing rod, 22, a fixing block, 23, a fan, 3, a fixing plate, 4, a fixing box, 5, a thermocouple, 6, an outer side heat conducting fin, 7, an inner side heat conducting fin, 8, an electromagnet, 9, a spring, 10, a magnetic plate, 11, a round rod, 12, a through hole, 13, an annular contact, 14, a metal contact, 15, a protection frame, 16 and a limiting block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 and fig. 2, the present invention provides a technical solution: a temperature difference detection type automatic air preheater soot blower comprises an air preheater outer wall 1, air is preheated through the inner side of the air preheater outer wall 1, a fan structure 2 is fixedly installed on the inner side wall of the air preheater outer wall 1, the fan structure 2 is used for cleaning ash on the inner side of the air preheater outer wall 1, a fixing plate 3 is fixedly installed on the upper side wall of the outer side wall of the air preheater outer wall 1, a fixing box 4 is fixedly installed on the upper side wall of the fixing plate 3, a thermocouple 5 is fixedly installed on the right side wall of the fixing box 4, the thermocouple 5 can generate current according to temperature difference, an outer heat conducting fin 6 is fixedly assembled on the outer side wall of the air preheater outer wall 1, an inner heat conducting fin 7 is fixedly assembled on the inner side wall of the air preheater outer wall 1, the outer heat conducting fin 6 and the inner heat conducting fin 7 are not in direct contact with the air preheater outer wall 1, but have a gap with the air preheater outer heat conducting fin and further cannot influence the falling of dust, so that the temperature conduction is more accurate, the outer side walls of the outer side heat conducting sheet 6 and the inner side heat conducting sheet 7 are respectively connected to the upper end and the lower end of the thermocouple 5 through heat conducting rods, an electromagnet 8 is fixedly installed on the upper side wall of the inner cavity of the fixing box 4, the electromagnet 8 is connected with the thermocouple 5 in series through a conducting wire, the thermocouple 5 is used for supplying power to the electromagnet 8 to enable the electromagnet 8 to generate magnetic force, in addition, a switch is connected between the electromagnet 8 and the thermocouple 5 and can control the switch of the closed loop, a spring 9 is fixedly installed on the upper side wall of the fixing plate 3, the elastic coefficient of the spring 9 is lower, the spring 9 in the figure 2 is in a balanced state and is mainly used for resetting the magnetic plate 10, a magnetic plate 10 is fixedly installed on the upper side wall of the spring 9, the magnetic pole on the upper side of the magnetic plate 10 is the same as the magnetic pole generated by the electromagnet 8, so that repulsion force can be generated between the magnetic plate 10 and the magnetic plate 10 moves downwards, and a round rod 11 is fixedly installed on the lower side wall of the magnetic plate 10, through-hole 12 has been seted up to the last lateral wall of fixed plate 3, annular contact 13 is installed in the inside wall embedding of through-hole 12, the lower extreme fixed mounting of round bar 11 has metal contact 14, and metal contact 14 pegs graft in through-hole 12, fan structure 2, annular contact 13, metal contact 14 passes through the wire with external power supply and establishes ties, metal contact 14 does not contact with annular contact 13 when flat, after round bar 11 moves down, metal contact 14 can peg graft in annular contact 13, and then make this circuit form closed circuit, make fan structure 2 start carry out the deashing work.

Specifically, the fan structure 2 comprises a fixing rod 21, the fixing rod 21 is uniformly and fixedly installed on the inner side wall of the outer wall 1 of the air preheater, a fixing block 22 is fixedly installed at the inner end of the fixing rod 21, a fan 23 is fixedly installed on the right side wall of the fixing block 22, the fixing rod 21 and the fixing block 22 are used for fixing the fan 23, and the fan 23 is used for performing soot blowing and ash removing operations.

Particularly, the right side wall fixed mounting of fixed box 4 has protecting frame 15, and thermoelectric couple 5 all is located protecting frame 15 with outside conducting strip 6, and four positions on the right side are protected thermoelectric couple 5 and outside conducting strip 6 from the front and back to protecting frame 15, and the aperture has evenly been seted up on protecting frame 15's right side, has normal radiating effect, makes protecting frame 15 inside can not overheated.

Specifically, the inner side wall of the fixed box 4 is bilaterally and symmetrically fixedly provided with a limiting block 16, the upper side wall of the magnetic plate 10 is attached to the lower side wall of the limiting block 16, the highest position of the magnetic plate 10 is limited, and the positions of the round rod 11 and the metal contact 14 in the through hole 12 are further limited.

The working principle is as follows: this automatic air preheater soot blower of difference in temperature detection formula, after falling sufficient ash in air preheater outer wall 1, can reduce air preheater outer wall 1's thermoconductivity, and then make the increase of the inside and outside difference in temperature of air preheater outer wall 1, can transmit the temperature to 5 departments of thermoelectric couple after the conduction through outside conducting strip 6 and inboard conducting strip 7, make it produce bigger electric current, and then make electro-magnet 8 produce bigger magnetic force, make magnetic sheet 10 atress move down, and then can make metal contact 14 and annular contact 13 contact, make fan structure 2 department circular telegram, soot cleaning work is blown, can be effectively smooth automatic accomplish soot cleaning work.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an automatic air preheater soot blower of difference in temperature detection formula which characterized in that: comprises an air preheater outer wall (1), a fan structure (2) is fixedly installed on the inner side wall of the air preheater outer wall (1), a fixing plate (3) is fixedly installed on the upper side wall of the outer side wall of the air preheater outer wall (1), a fixing box (4) is fixedly installed on the upper side wall of the fixing plate (3), a thermocouple (5) is fixedly installed on the right side wall of the fixing box (4), an outer side heat-conducting fin (6) is fixedly assembled on the outer side wall of the air preheater outer wall (1), an inner side heat-conducting fin (7) is fixedly assembled on the inner side wall of the air preheater outer wall (1), the outer side heat-conducting fin (6) and the outer side wall of the inner side heat-conducting fin (7) are respectively connected to the upper end and the lower end of the thermocouple (5) through heat-conducting rods, an electromagnet (8) is fixedly installed on the upper side wall of an inner cavity of the fixing box (4), and the electromagnet (8) is connected with the thermocouple (5) in series through a conducting wire, the utility model discloses a fan structure, including fixed plate (3), last lateral wall fixed mounting of fixed plate (3) has spring (9), the last lateral wall fixed mounting of spring (9) has magnetic sheet (10), the lower lateral wall fixed mounting of magnetic sheet (10) has round bar (11), through-hole (12) have been seted up to the last lateral wall of fixed plate (3), annular contact (13) are installed in the inside wall embedding of through-hole (12), the lower extreme fixed mounting of round bar (11) has metal contact (14), and metal contact (14) peg graft in through-hole (12), fan structure (2), annular contact (13), metal contact (14) pass through the wire with external power supply and establish ties.

2. The temperature difference detection type automatic air preheater soot blower according to claim 1, characterized in that: fan structure (2) include dead lever (21), and the even fixed mounting in the inside wall of air preheater outer wall (1) of dead lever (21), the inner fixed mounting of dead lever (21) has fixed block (22), the right side wall fixed mounting of fixed block (22) has fan (23).

3. The temperature difference detection type automatic air preheater soot blower according to claim 1, characterized in that: the right side wall of the fixed box (4) is fixedly provided with a protection frame (15), and the thermoelectric couple (5) and the outer side heat conducting fin (6) are both positioned in the protection frame (15).

4. The temperature difference detection type automatic air preheater soot blower according to claim 1, characterized in that: the inner side wall of the fixed box (4) is symmetrically and fixedly provided with a limiting block (16), and the upper side wall of the magnetic plate (10) is attached to the lower side wall of the limiting block (16).