CN209371298U

CN209371298U - A kind of wind box applied to reduction furnace

Info

Publication number: CN209371298U
Application number: CN201920007989.7U
Authority: CN
Inventors: 谭开军
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-01-03
Filing date: 2019-01-03
Publication date: 2019-09-10
Anticipated expiration: 2029-01-03

Abstract

The utility model discloses a kind of wind box applied to reduction furnace, wind box is set on the side wall of reduction furnace, as the channel inside reduction furnace with external progress air exchange, including mounting groove, mounting box and heat storage.The utility model has the advantages that the heat storage of the present apparatus is arranged in wind box by mounting box, outside is both provided with baffle in heat storage tank on mounting box, outer baffle can be opened, it is then placed in heat storage, heat storage is between interior outer baffle, when such air blast and air inducing, heat storage can be clamped by interior outer baffle, it is not in displacement, the event for avoiding heat storage from falling into furnace body occurs, and the process of the installation and removal of present apparatus heat storage is very simple；It is provided with one on the inside of mounting box and deposits slag chute, when heat storage is crushed, is extruded to inside if any fragment, then can fall into and deposit slag chute, fragment is avoided to fall into furnace body；Chip chute is set, cleaning disintegrating slag is facilitated, slideway is communicated on a vacuum pump, to slideway vacuumize process, reinforces heat insulation.

Description

A kind of wind box applied to reduction furnace

Technical field

The utility model relates to chemical production fields, are related specifically to the structure of reduction furnace, and in particular to one kind is applied to The wind box of reduction furnace.

Background technique

Regenerative high temperature combustion technology technology is current combustion technology advanced in the world, is exactly all cloth on the furnace wall of stove two sides It is equipped with the spout evenly distributed, when the spout of side is when as burner combustion, the spout of the other side is then used as flue to use To discharge fume.After a commutation cycle, by the switching of reversal valve, the side spout as burner combustion becomes flue and is used to Smoke evacuation, and the other side spout for being used to discharge fume originally is then used as burner combustion.Like this alternately, heating, cigarette are completed at the same time The high efficiente callback of gas heat and the high temperature preheating of air.Smoke evacuation side spout enters regenerative chamber through high temperature gas passage, in regenerative chamber Interior to be exchanged by carrying out heat with heat storage, temperature is reduced to 150 DEG C hereinafter, then going out regenerative chamber, by reversal valve, smoke evacuation Machine is finally discharged into atmosphere by chimney.At the same time, air entered the other side within a upper commutation cycle by high-temperature flue gas The high-temperature regenerator of preheating, while 900~1050 DEG C are preheated to, pass through stove side wall through high temperature gas passage after regenerative chamber out Spout sprays, and the high temperature air and fuel sprayed from spout burns on burner hearth inner edge mixing side.

The air intake of existing reduction furnace is designed to multiple entrances, is dispersed into, and reinforces waste heat recovering effect, the entrance Referred to as wind box, but present wind box is only designed to channel, and honeycomb brick has as accumulation of heat, this wind box on heap in the channel There is certain defect, if honeycomb brick is pushed phase mutual friction by air inlet and the outlet for a long time, abrasion rupture occurs, often so as to cause seam Gap is more, and replacement honeycomb brick is excessively frequent, influences work plan, and cost accordingly increases.

Utility model content

The purpose of this utility model is to provide a kind of wind boxes applied to reduction furnace, to solve the wind of existing reduction furnace Honeycomb brick is often worn in box, is needed replacing, to influence the defect of production efficiency.

To achieve the above object, the technical solution of the utility model is a kind of wind box applied to reduction furnace, which sets Be placed on the side wall of reduction furnace, as inside reduction furnace with the external channel for carrying out air exchange, including mounting groove, mounting box and Heat storage；

The mounting groove is the channel that a cross section is square, and the shape of the mounting box is matched with mounting groove, The inside of mounting groove is set, and mounting groove is inner tank mouths towards one end on the inside of reduction furnace, and the other end is exterior notch, the peace There are slag space is deposited between mounted box and inner tank mouths, deposits to be provided on the lower end surface in slag space and deposit slag chute；

Several heat storage tanks are provided on mounting box, heat storage is arranged in heat storage tank, and heat storage tank is square, heat storage tank The lower end surface of external port is provided with first baffle, the lower end surface of heat storage tank towards inner port is provided with second baffle, and heat storage is It being placed between first baffle and second baffle, the shape of heat storage is matched with heat storage tank, several through-holes are provided on heat storage, The one of side of first baffle and mounting box are hinged, another side is fixed with mounting box screw；

The exterior notch of the mounting groove is connected on pipeline, and gas flowmeter, gas flow are provided in the pipeline The output end of meter is connected on the display of pipeline outer end.

Further, the bottom surface for depositing slag chute is inclined surface, and the lowest part of the bottom surface connects reduction furnace by a slideway Slag notch on side wall, the level height of slideway, in gradually decreasing, are provided with cleanout door from bottom surface to slag notch on slag notch.Though After so can be by dismantling lower mounting box, sweep slag chute is deposited, but this process is excessively complicated, so we devise Slideway directly opens up slag notch, can easily be vented the heat storage residue deposited in slag chute.

Further, described to deposit slag chute and the junction of slideway is provided with an insulated door, the insulated door passes through cylinder Drive closure or openness.Temperature in reduction furnace is very high, only leans on cleanout door, heat insulation is poor, so must redesign One insulated door.

Further, a stomata is provided on the side wall of the slideway, the stomata is communicated on vacuum pump.It will be every After slideway between popular and cleanout door vacuumizes, heat insulation is strengthened.

Further, the heat storage uses honeycomb brick.Honeycomb brick has good accumulation of heat effect, and cost is unusual It is cheap.

Further, the height of the second baffle is not more than the height of first baffle.Second baffle is excessively high, blocks storage The through-hole of hot body influences ventilation effect and accumulation of heat effect

Further, the mounting box is fixed by screws in mounting groove.Mounting box is conveniently removed, it is convenient to mounting box It is cleared up and is repaired.

The utility model has the advantages that

(1) heat storage of the present apparatus is arranged in wind box by mounting box, and outside is all arranged in the heat storage tank on mounting box There is baffle, outer baffle can be opened, and heat storage is then placed in, and heat storage is between interior outer baffle, when such air blast and air inducing, Heat storage can be clamped by interior outer baffle, be not in displacement, and the event for avoiding heat storage from falling into furnace body occurs, and the present apparatus stores The process of the installation and removal of hot body is very simple；

(2) it is provided with one on the inside of mounting box and deposits slag chute, when heat storage is crushed, is extruded to inside if any fragment, then can It falls into and deposits slag chute, fragment is avoided to fall into furnace body；

(3) chip chute is set, facilitates cleaning disintegrating slag, and slideway and deposits and is provided with insulated door between slag chute, is had very Good heat insulation；

(4) slideway is communicated on a vacuum pump, and before work, vacuum pump carries out vacuumize process to slideway, is strengthened Heat insulation herein.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of mounting groove in embodiment 1；

Fig. 2 is the cross-sectional view of embodiment 1；

Fig. 3 is the positive structure schematic of mounting rack in embodiment 1；

Fig. 4 is the cross-sectional view of embodiment 2；

Fig. 5 is the structural schematic diagram that slag chute is deposited in embodiment 2；

Fig. 6 is the cross-sectional view of embodiment 3.

Specific embodiment

The following examples illustrate the utility model, but is not intended to limit the scope of the present invention.

Embodiment 1

As shown in Figure 1-3, a kind of wind box applied to reduction furnace, the wind box 5 are set on the side wall of reduction furnace 4, are used as The channel of air exchange, including mounting groove 1, mounting box 2 and heat storage 3 are carried out inside reduction furnace with outside；

The mounting groove 1 is the channel that a cross section is square, and the shape of the mounting box 2 is matched with mounting groove 1, One end of its inside that mounting groove 1 is arranged in, mounting groove 1 towards 4 inside of reduction furnace is inner tank mouths 101, and the other end is exterior notch 102, there are slag space 103 is deposited between the mounting box 2 and inner tank mouths 101, deposits and be arranged on the lower end surface 104 in slag space 103 Deposit slag chute 105；

Several heat storage tanks 201 are provided on mounting box 2, heat storage 3 is arranged in heat storage tank 201, and heat storage tank 201 is in Rectangular, the lower end surface of heat storage tank 201 towards external port is provided with first baffle 202, and heat storage tank 201 is arranged towards the lower end surface of inner port There is second baffle 203, heat storage 3 is placed between first baffle 202 and second baffle 203, the shape and accumulation of heat of heat storage 3 Slot 201 matches, and several through-holes 301 are provided on heat storage 3, and the one of side of first baffle 202 and mounting box 2 are hinged, Another side is fixed with 2 screw of mounting box；

The exterior notch 102 of the mounting groove 1 is connected on pipeline 6, is provided with gas flowmeter 601 in the pipeline 6, The output end of gas flowmeter 601 is connected on the display 602 of 6 outer end of pipeline.

Further, the heat storage 3 uses honeycomb brick.

Further, the height of the second baffle 203 is not more than the height of first baffle 202.

Further, the mounting box 2 is fixed by screws in mounting groove 1.

The present apparatus be arranged on reduction furnace 4, be generally respectively arranged in the two sides of reduction furnace 4 it is multiple, when side air inlet when, it is another Side then exhausting reaches side burning, the effect of side exhaust.

In this wind box, heat storage 3 is mounted in mounting box 2,2 screw of mounting box is fixed in mounting groove 1, mounting groove 1 It is a square duct, cross section is square, and mounting box 2 is also square, and cross section is in the same size with mounting groove 1, installs in this way Box 2 can be embedded just below mounting groove 1, between the two without gap, avoid leaking out, and heat storage tank 201 is arranged in mounting box 2 and places Heat storage 3, heat storage 3 and heat storage tank 201 are in the same size, between will not there are gap, when such wind needs to pass in and out from wind box, Only by the through-hole 301 on heat storage 3, so that the air for being adequately is contacted with heat storage 3, there is extraordinary heat Exchange effect.

The interior outside of heat storage 3 has the clamping of first baffle 202 and second baffle 203, fixes with can be very good and stores Hot body 3, avoids heat storage 3 from being displaced, and heat storage 3 is avoided to wear, and also closes a heat storage 3 and occurs falling into reduction furnace 4 It happens.

Mounting groove 1 devises one in the inside of mounting box 2 and deposits slag chute 105, heat storage 3 when in use between it is too long after, can The case where fragmentation can be will appear, fragment is had in this way sidewinder inside and outside heat storage tank 201 and fall, if fragment is fallen into inside reduction furnace 4, Not only it is difficult to sweep, it is also possible to influence whether the use of reduction furnace 4, so fragment can be stored by depositing slag chute 105, most probably avoid Fragment is fallen into inside reduction furnace 4.

Mounting groove 1 is communicated to external air blower or air-introduced machine by pipeline, and after heat storage 3 is crushed, we are very Difficulty is discovered, but influences whether to enter the intracorporal air themperature of furnace, so that the intracorporal metal reaction of furnace is influenced, so in pipeline 6 Middle setting gas flowmeter 601, when exhausting, because the dynamics of air inducing will not become, and when the air-out area of heat storage 3 is constant, gas Body flow should be it is constant, after heat storage 3 is broken, air-out area becomes larger, and gas flow becomes larger, can on display 602 To see, we can judge have heat storage 3 to be crushed, and can cut off wind box at this, replace heat storage 3 as early as possible, guarantee Metal reaction effect.

125 heat storage tanks 201 of design in the mounting box 2 of the present apparatus, 5 layers altogether, every layer of 25 heat storage tank 201.

Embodiment 2

Such as Fig. 4, Fig. 5, the present embodiment and the structure of embodiment 1 are almost the same, the difference is that the present apparatus deposits slag chute 105 bottom surface 106 is inclined surface, and the lowest part of the bottom surface connects the slag notch on 4 side wall of reduction furnace by a slideway 107 401, the level height of slideway 107, in gradually decreasing, is provided with cleanout door on slag notch 401 from bottom surface 106 to slag notch 401 402。

The residue of heat storage is fallen to deposit slag chute 105 after, it can through slideway 107, be discharged from slag notch 401, if not The structure of slideway 107 and slag notch 401 is set, after needing to remove mounting box 2, is likely to sweep residual in slag chute 105 to depositing Slag very takes time and effort, and after this structure arbitrarily is arranged, facilitates the cleaning of residue.

Embodiment 3

Such as Fig. 6, the present embodiment and the structure of embodiment 1 are almost the same, and difference is depositing slag chute 105 and slideway 107 Junction is provided with an insulated door 108, and the insulated door 108 drives closure or openness by cylinder 109.The side of slideway 107 A stomata 111 is provided on wall, the stomata 111 is communicated on vacuum pump 110.

Insulated door 108 can prevent hot environment in furnace body from influencing outside furnace body by cleanout door 402, insulated door 108 It is provided with vacuum pump 110 with good heat insulation, and between insulated door 108 and cleanout door 402 to be vacuumized, into one Step strengthens heat insulation.

Claims

1. a kind of wind box applied to reduction furnace, which is set on the side wall of reduction furnace (4), is used as inside reduction furnace With the external channel for carrying out air exchange, which is characterized in that including mounting groove (1), mounting box (2) and heat storage (3)；

The mounting groove (1) is the channel that a cross section is square, shape and mounting groove (1) of the mounting box (2) Match, setting in the inside of mounting groove (1), mounting groove (1) towards one end on the inside of reduction furnace (4) be inner tank mouths (101), it is another Slag space is deposited there are slag space (103) are deposited between the mounting box (2) and inner tank mouths (101) for exterior notch (102) in end (103) it is provided on lower end surface (104) and deposits slag chute (105)；

Several heat storage tanks (201) are provided on mounting box (2), heat storage (3) is arranged in heat storage tank (201), heat storage tank (201) it is square, the lower end surface of heat storage tank (201) towards external port is provided with first baffle (202), and heat storage tank (201) is towards inner end Mouthful lower end surface be provided with second baffle (203), heat storage (3) be placed in first baffle (202) and second baffle (203) it Between, the shape of heat storage (3) is matched with heat storage tank (201), and several through-holes (301), first baffle are provided on heat storage (3) (202) hingedly, another side is fixed with mounting box (2) screw for one of side and mounting box (2)；

The exterior notch (102) of the mounting groove (1) is connected on pipeline (6), and the pipeline is provided with gas flowmeter in (6) (601), the output end of gas flowmeter (601) is connected on the display (602) of pipeline (6) outer end.

2. a kind of wind box as described in claim 1, which is characterized in that the bottom surface (106) for depositing slag chute (105) is inclination The lowest part in face, the bottom surface connects the slag notch (401) on reduction furnace (4) side wall, slideway (107) by a slideway (107) Level height from bottom surface (106) to slag notch (401) in gradually decreasing, cleanout door (402) are provided on slag notch (401).

3. a kind of wind box as claimed in claim 2, which is characterized in that the connection for depositing slag chute (105) Yu slideway (107) Place is provided with an insulated door (108), and the insulated door (108) drives closure or openness by cylinder (109).

4. a kind of wind box as claimed in claim 3, which is characterized in that be provided with one on the side wall of the slideway (107) Stomata (111), the stomata (111) are communicated on vacuum pump (110).

5. a kind of wind box as described in claim 1, which is characterized in that the heat storage (3) uses honeycomb brick.

6. a kind of wind box as described in claim 1, which is characterized in that the height of the second baffle (203) is no more than the The height of one baffle (202).

7. a kind of wind box as described in claim 1, which is characterized in that the mounting box (2) is fixed by screws in installation In slot (1).