CN211712941U

CN211712941U - Oxygen-enriched hot air combustion-supporting device for melting furnace

Info

Publication number: CN211712941U
Application number: CN201922429505.0U
Authority: CN
Inventors: 白汝廉; 孙亮
Original assignee: Benxi Fuyao Float Glass Co ltd
Current assignee: Benxi Fuyao Float Glass Co ltd
Priority date: 2019-12-27
Filing date: 2019-12-27
Publication date: 2020-10-20
Anticipated expiration: 2029-12-27

Abstract

The utility model provides a melting furnace oxygen boosting hot air combustion-supporting device, includes melting furnace main part and discharge flue, the fixed intercommunication in upper end of melting furnace main part has the discharge flue, the lateral wall of melting furnace main part is fixed to be equipped with the mixing box, the lateral wall of mixing box is fixed to be communicated has the waste heat wind pipeline, the fixed block structure that is equipped with of inner wall lower extreme of rubber gasbag, the lateral wall of melting furnace main part is fixed to be equipped with extrusion device, extrusion device and rubber gasbag phase-match, the fixed surface of mixing box is equipped with the cardboard, and the heat of flue gas is discharged through the discharge flue, carries out the heating process with the oxygen boosting air in the oxygen boosting air pipeline, and the energy rational utilization practices thrift the processing cost, can not neutralize the heat of the waste heat wind simultaneously, can be better the assurance oxygen boosting device's result of use, and the cooperation of extrusion device and rubber gasbag is controlling the volume that the air got into the mixing box, thereby causing waste.

Description

Oxygen-enriched hot air combustion-supporting device for melting furnace

Technical Field

The utility model relates to the technical field of glass production, the concrete field is a hot-blast combustion-supporting device of melting furnace oxygen boosting.

Background

The melting furnace is a main thermal device for glass production, when the existing melting furnace is used, oxygen-enriched waste heat air is adopted for combustion, so that the obvious effect on the temperature rise of the melting furnace is achieved, and the combustion state of flame sprayed out from a spray gun in the production of the glass melting furnace can be mainly divided into three parts, namely an anoxic zone is arranged at the upper part of the flame, so that the crown is prevented from being overheated and further burnt; the middle part is a common combustion area; the lower part is a radiation area, a high-temperature area is formed at the lower part of flame as much as possible in actual production to strengthen melting of glass batch, the utilization rate of fuel is improved, a conventional glass melting furnace combustion-supporting air system is replaced by oxygen-enriched residual hot air to support combustion of the fuel, the combustion speed of the fuel is accelerated, the flame rigidity is increased, the thermal efficiency of the flame is improved, the temperature of flame radiation glass liquid can be improved by about 100 ℃, the melting speed of batch is accelerated, the melting rate is improved by more than 10%, meanwhile, the melting quality is correspondingly improved, and the existing oxygen-enriched residual hot air combustion-supporting equipment can take away partial heat of the residual hot air due to the fact that the oxygen-enriched air is directly introduced into a mixing box, greatly reduces the utilization effect of the residual hot air, does not control the introduction amount of the oxygen-enriched air, can cause the problem that the oxygen-enriched air cannot be.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hot-blast combustion-supporting device of melting furnace oxygen boosting to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a melting furnace oxygen boosting hot air combustion-supporting device, includes melting furnace main part and discharge flue, the fixed intercommunication in upper end of melting furnace main part has the discharge flue, the lateral wall of melting furnace main part is fixed to be equipped with the mixing box, the fixed intercommunication of lateral wall of mixing box has the waste heat wind pipeline, the fixed intercommunication of lower extreme of mixing box has the one end of return bend, the fixed intercommunication of the other end of return bend has the high temperature fan, the high temperature fan is with the fixed intercommunication of melting furnace main part, the fixed heat preservation that is equipped with of inner wall of discharge flue, the fixed support that is equipped with in inner wall one side of discharge flue, the fixed oxygen boosting air pipeline that is equipped with of lateral wall of support, the discharge flue is extended to the one end of oxygen boosting air pipeline, and the fixed sunshade that is equipped with of outer wall, the other end of oxygen boosting air pipeline runs through the lateral, the inner wall lower extreme of rubber air bag is fixed to be equipped with block structure, the lateral wall of melting furnace main part is fixed to be equipped with extrusion device, extrusion device and rubber air bag phase-match, the fixed surface of mixing box is equipped with the cardboard, the cardboard is laminated with rubber air bag mutually.

Preferably, extrusion device includes the connecting rod, the one end of connecting rod and the lateral wall fixed assembly of melting furnace main part, the other end fixed assembly of connecting rod has the riser, the inner wall of riser runs through and is equipped with the ejector pin, the one end fixed assembly that the ejector pin is close to rubber air bag is equipped with the kicking block, the fixed fixture block that is equipped with of other end downside of ejector pin, the outer wall fixed assembly that the ejector pin is close to the fixture block is equipped with the extension board, compression spring has been cup jointed to the outer wall of ejector pin, compression spring's one end and extension board fixed assembly, compression spring's the other end and riser fixed assembly, the lateral wall fixed assembly of melting furnace main part has the motor, the fixed pin that is equipped with of pivot lateral wall of motor.

Preferably, the plugging structure comprises two hinged seats, wherein the hinged seats are fixedly assembled with the inner wall of the rubber air bag, the inner side ends of the hinged seats are fixedly assembled with baffle plates, the baffle plates are attached to the inner side ends of the baffle plates, and the baffle plates are fixedly assembled with the inner wall of the rubber air bag through torsion springs.

Preferably, the sleeve is sleeved at the bent pipe section of the oxygen-enriched air pipeline.

Compared with the prior art, the beneficial effects of the utility model are that: a melting furnace oxygen-enriched hot air combustion-supporting device, glass needs to be processed at high temperature by a melting furnace main body when being produced, residual hot air generated when an annealing furnace is produced is introduced through a residual hot air pipeline, the residual hot air and oxygen-enriched air conveyed into the melting furnace main body through an oxygen-enriched air pipeline are mixed in a mixing box, the residual hot air can obviously heat the combustion of the melting furnace, the oxygen-enriched air can provide pure oxygen for the combustion of the melting furnace, the combustion oxygen supply amount is improved, the combustion effect is ensured, the residual hot air and the oxygen-enriched air are conveyed into the melting furnace main body through a high-temperature fan together, the combustion-supporting device has good combustion-supporting effect, the heat of smoke is discharged through a smoke discharge channel, the oxygen-enriched air in the oxygen-enriched air pipeline is heated, the energy is reasonably utilized, the processing cost is saved, the heat of the residual hot air cannot be neutralized, the use effect of the combustion-supporting, the amount of oxygen-enriched air entering the mixing box is controlled, so that the phenomenon that the oxygen-enriched air is excessively entered and is not effectively utilized is avoided, and waste is caused.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of the structure at A in FIG. 1;

fig. 3 is an enlarged schematic view of the structure at B in fig. 1.

In the figure: 1-melting furnace main body, 2-high temperature fan, 3-bend pipe, 4-plugging structure, 41-torsion spring, 42-baffle, 43-hinged seat, 5-extrusion device, 51-motor, 52-stop lever, 53-fixture block, 54-ejector rod, 55-support plate, 56-connecting rod, 57-vertical plate, 58-top block, 59-compression spring, 6-waste heat wind pipe, 7-mixing box, 8-clamping plate, 9-rubber air bag, 10-sleeve, 11-oxygen enriched air pipe, 12-heat preservation layer, 13-shielding plate, 14-support and 15-smoke exhaust 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: a melting furnace oxygen-enriched hot air combustion-supporting device comprises a melting furnace main body 1 and a discharge flue 15, the upper end of the melting furnace main body 1 is fixedly communicated with the discharge flue 15, the side wall of the melting furnace main body 1 is fixedly provided with a mixing box 7, the side wall of the mixing box 7 is fixedly communicated with a waste heat air pipeline 6, the lower end of the mixing box 7 is fixedly communicated with one end of a bent pipe 3, the other end of the bent pipe 3 is fixedly communicated with a high temperature fan 2, the high temperature fan 2 is fixedly communicated with the melting furnace main body 1, the inner wall of the discharge flue 15 is fixedly provided with a heat-insulating layer 12, one side of the inner wall of the discharge flue 15 is fixedly provided with a support 14, the side wall of the support 14 is fixedly provided with an oxygen-enriched air pipeline 11, one end of the oxygen-enriched air pipeline 11 extends out of the discharge flue 15, the outer wall is fixedly provided with a shielding plate 13, the other, the fixed block structure that is equipped with of inner wall lower extreme of rubber air bag 9, the fixed extrusion device 5 that is equipped with of lateral wall of melting furnace main part 1, extrusion device 5 and rubber air bag 9 phase-match, the fixed surface of mixing box 7 is equipped with cardboard 8, cardboard 8 and the laminating of rubber air bag 9 mutually.

The melting furnace main body 1 is required to be used for processing glass at high temperature during glass production, the residual hot air generated during production of the annealing furnace is introduced through the residual hot air pipeline 6, the residual hot air and the oxygen-enriched air conveyed into the melting furnace main body 1 through the oxygen-enriched air pipeline 11 are mixed in the mixing box 7, the residual hot air can obviously raise the temperature of the combustion of the melting furnace, the oxygen-enriched air can provide pure oxygen for the combustion of the melting furnace, the combustion oxygen supply amount is improved, the combustion effect is ensured, the residual hot air and the oxygen-enriched air are conveyed into the melting furnace main body 1 through the high-temperature fan together, the combustion-supporting effect is good, the oxygen-enriched air in the oxygen-enriched air pipeline 11 is heated through the heat of the smoke gas discharged from the smoke discharge flue 15, the energy is reasonably utilized, the processing cost is saved, the heat of the residual hot air cannot be neutralized, the use effect of the combustion-supporting device can, the amount of the oxygen-enriched air entering the mixing box 7 is controlled, the situation that the oxygen-enriched air is too much to be effectively utilized is avoided, thereby causing waste, when the equipment is used for work, firstly, the residual heat air pipeline 6 can lead the residual heat air generated in the annealing kiln into the mixing box 7, meanwhile, the oxygen-enriched air pipeline 11 introduces oxygen-enriched air of a plant nitrogen station into the mixing box 7, in the transportation process of the oxygen-enriched air, the oxygen-enriched air is roasted by the heat of the discharged smoke when passing through the discharge flue 15, the oxygen-enriched air with the heat is extruded into the mixing box 7 by the extruding structure 5, is conveyed into the mixing box and is mixed with the waste heat air through the mixing box 7, meanwhile, the high-temperature fan 2 is used for sending the mixed oxygen-enriched waste heat air to the melting furnace main body, the heat preservation layer 12 on the inner wall of the discharge flue 15 can ensure that the heat loss of the discharged flue gas is slow, and meanwhile, the shielding plate 13 can slow down the discharge speed of the flue gas.

Specifically, extrusion device 5 includes connecting rod 56, the one end of connecting rod 56 and the fixed assembly of lateral wall of melting furnace main part 1, the other end of connecting rod 56 is fixed to be equipped with riser 57, the inner wall of riser 57 runs through and is equipped with ejector pin 54, the one end that ejector pin 54 is close to rubber air bag 9 is fixed to be equipped with kicking block 58, the fixed fixture block 53 that is equipped with of other end downside of ejector pin 54, ejector pin 54 is close to the fixed extension board 55 that is equipped with of outer wall of fixture block 53, compression spring 59 has been cup jointed to the outer wall of ejector pin 54, compression spring 59's one end and extension board 55 fixed assembly, compression spring 59's the other end and the fixed assembly of riser 57, the fixed motor 51 that is equipped with of lateral wall of melting furnace main part 1, motor 51.

When the extrusion device 5 is used for working, firstly, an external power supply of the motor 51 is switched on, the motor 51 drives the stop lever 52 to rotate, the stop lever 52 is clamped in a clamping groove at the bottom end of the clamping block 53 along with rotation, and drives the clamping block 53 to move leftwards, meanwhile, the clamping block 53 drives the support plate 55 to extrude the compression spring 59 to deform through the ejector rod 54, meanwhile, the ejector rod 54 can drive the ejector block 58 to extrude the rubber air bag 9, after the rubber air bag 9 deforms, the internal pressure is increased, force can be generated because the oxygen-enriched air is conveyed downwards by the upper oxygen-enriched air pipeline 11, at the moment, the oxygen-enriched air in the rubber air bag 9 can only move downwards, the plugging structure 4 is opened through extrusion, meanwhile, along with the rotation of the stop lever 52, when the other side position of the starting end is reached, the clamping block 53 can

Specifically, the blocking structure 4 comprises two hinged seats 43, the two hinged seats 43 are fixedly assembled with the inner wall of the rubber air bag 9, the inner side ends of the two hinged seats 43 are fixedly assembled with baffle plates 42, the inner side ends of the two baffle plates 42 are attached to each other, and the two baffle plates 42 are fixedly assembled with the inner wall of the rubber air bag 9 through torsion springs 41.

The ejector rod 54 can drive the ejector block 58 to extrude the rubber air bag 9, after the rubber air bag 9 deforms, the internal pressure is increased, force can be generated due to the fact that the upper oxygen-enriched air pipeline 11 conveys the oxygen-enriched air downwards, the oxygen-enriched air in the rubber air bag 9 can only move downwards, the plugging structure 4 is extruded, the baffle plate 42 is opened downwards at the moment, and the torsion spring 41 is extruded to deform the rubber air bag.

Specifically, the sleeve 10 is sleeved on the bent pipe section of the oxygen-enriched air pipe 11.

The sleeve 10 may serve as a thermal insulator.

The working principle is as follows: when using equipment work, at first during waste heat wind pipeline 6 can introduce the waste heat wind that produces in the annealing kiln to mixing box 7, oxygen boosting air pipeline 11 introduces the oxygen boosting air at factory nitrogen station to mixing box 7 simultaneously, in the oxygen boosting air transportation, when discharge flue 15, can be toasted by the heat of exhaust gas, oxygen boosting air has the heat and is extruded to mixing box 7 by 5 weight of extrusion structure this moment, carry to the mixing box in, mix through mixing box 7 and waste heat wind, use high temperature fan 2 simultaneously, send the oxygen boosting waste heat wind after mixing to the melting kiln main part in.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connection mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and setting are equipped with and all adopt prior art, and conventional model is including circuit connection adopts conventional connection mode among the prior art, and the detail is not repeated here. 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 hot-blast combustion-supporting device of melting furnace oxygen boosting, includes melting furnace main part (1) and discharge flue (15), the fixed intercommunication in upper end of melting furnace main part (1) has discharge flue (15), its characterized in that: the fixed intercommunication of the lateral wall of melting furnace main part (1) has mixing box (7), the fixed intercommunication of the lateral wall of mixing box (7) has waste heat wind pipeline (6), the fixed intercommunication of the lower extreme of mixing box (7) has the one end of return bend (3), the fixed intercommunication of the other end of return bend (3) has high temperature fan (2), high temperature fan (2) and the fixed intercommunication of melting furnace main part (1), the inner wall of discharge flue (15) is fixed to be equipped with heat preservation (12), the fixed support (14) that is equipped with of inner wall one side of discharge flue (15), the fixed oxygen-enriched air pipeline (11) that is equipped with of lateral wall of support (14), the one end of oxygen-enriched air pipeline (11) extends discharge flue (15), and the fixed sunshade (13) that is equipped with of outer wall, the other end of air pipeline (11) runs through the lateral wall of discharge flue (15) and is fixed to be communicated with, the lower extreme and the fixed intercommunication of mixing box (7) of rubber gasbag (9), the inner wall lower extreme fixed equipment of rubber gasbag (9) is equipped with block structure, the lateral wall fixed equipment of melting furnace main part (1) is equipped with extrusion device (5), extrusion device (5) and rubber gasbag (9) phase-match, the fixed surface of mixing box (7) is equipped with cardboard (8), cardboard (8) laminate mutually with rubber gasbag (9).

2. The oxygen-enriched hot air combustion-supporting device of the melting furnace as claimed in claim 1, which is characterized in that: the extrusion device (5) comprises a connecting rod (56), one end of the connecting rod (56) is fixedly assembled with the side wall of the melting furnace main body (1), the other end of the connecting rod (56) is fixedly assembled with a vertical plate (57), the inner wall of the vertical plate (57) is penetrated and assembled with an ejector rod (54), one end of the ejector rod (54) close to the rubber air bag (9) is fixedly assembled with an ejector block (58), the lower side of the other end of the ejector rod (54) is fixedly assembled with a clamping block (53), the outer wall of the ejector rod (54) close to the clamping block (53) is fixedly assembled with a support plate (55), the outer wall of the ejector rod (54) is sleeved with a compression spring (59), one end of the compression spring (59) is fixedly assembled with the support plate (55), the other end of the compression spring (59) is fixedly assembled with the vertical plate (57), and the side, and a stop lever (52) is fixedly assembled on the side wall of the rotating shaft of the motor (51), and the end of the stop lever (52) is matched with the groove on the inner wall of the clamping block (53).

3. The oxygen-enriched hot air combustion-supporting device of the melting furnace as claimed in claim 1, which is characterized in that: plugging structure (4) include two articulated seats (43), two articulated seat (43) all with the inner wall fixed assembly of rubber air bag (9), two the medial extremity of articulated seat (43) all fixed assembly has baffle (42), two the inboard end laminating of baffle (42), two baffle (42) all through torsion spring (41) and the inner wall fixed assembly of rubber air bag (9).

4. The oxygen-enriched hot air combustion-supporting device of the melting furnace as claimed in claim 1, which is characterized in that: the sleeve (10) is sleeved at the bent pipe section of the oxygen-enriched air pipeline (11).