CN207330990U - A kind of pipe-line system of tempering furnace burner - Google Patents

Abstract

The utility model discloses a kind of pipe-line system of tempering furnace burner to be made of air inlet pipe, waste pipe, and air inlet pipe includes gas piping and comburent air duct, and gas piping caliber is less than air pipeline, and waste pipe includes scum pipe, exhaust pipe and smoke exhaust pipe；Gas piping is connected to the top of tempering furnace burner end cap, and comburent air duct is connected to the lower section of tempering furnace burner end cap；Coal gas is from top to bottom passed through in tempering furnace burner, and the approach axis of combustion air is opposite with coal gas, by the air introduced below of tempering furnace burner end cap；Scum pipe is connected with the gas outlet of comburent air duct, and one end of exhaust pipe is connected to the side of tempering furnace burner end cap, and the other end is connected with smoke exhaust pipe, and the smoke exhaust pipe is connected with scum pipe.What the utility model used prevents tempering furnace burner line clogging device from can efficiently solve the problem of tempering furnace burner line clogging, and input cost is relatively low, implementation result is preferable, can be in obvious manpower and materials consumption in reducing production on the basis of ensureing product manufacturing quality.

Description

A kind of pipe-line system of tempering furnace burner

Technical field

Metallurgy industry industrial furnace heating art is the utility model is related to, is a kind of anti-line clogging method, more particularly to one The pipe-line system of kind tempering furnace burner.

Background technology

Metalwork (part, plate etc.), to improve interior tissue, is improving material mechanical performance, increase production after rolling The added value of product, usually carries out temper, and temper process generally uses the large-scale tempering furnace apparatus of more burners.Except Metal part is tempered outside in atmosphere, and tempering furnace can be also used for the light-alloy parts such as aluminum alloy die casting, piston, aluminium sheet and quench The processing such as fire, annealing, aging strengthening model.In tempering furnace operational process, since industrial gas contains more steam and dust, miscellaneous The fine particles such as matter, therefore more impurity can be formed in combustion, impurity gravity under the parcel of aqueous vapor increases, difficult To be taken away by smoke discharging pipe, therefore dirt can be formed and be attached to the relatively low pipeline opening in position, and heavily fortified point can be formed after aqueous vapor evaporation Hard impurity layer, accumulation can cause the blocking of pipeline opening and tempering furnace burner end cap layer by layer in the course of time, seriously affect use.By Impurity is difficult to clean completely inside industrial gas, and the severe complexity of tempering furnace equipment operating environment, often results in back Accumulation of impurities inside stove burner pipeline, under the relatively high moisture environments effect that coal gas itself is carried, these impurity gradually coagulate Form thick rigid solid material, block tempering furnace burner pipeline, seriously affect the efficiency of combustion of burner, cause whole Calorific value is difficult to ensure that inside a burner hearth, and finally influences the performance of metalwork.

Further, since tempering furnace burner quantity is generally more, the burner as caused by burner line clogging is safeguarded and fettler Work amount is huge, and thus caused manpower and materials input is very big.It is abnormal including the burner igniting caused by pipeline blocks for a long time And burner equipment loss is produced, tissue maintenance group tracks exception of burner combustion etc. online for a long time, these all virtually increase The manufacture cost of product.Tempering furnace burner line clogging is additionally, since, often matches somebody with somebody combustion air and gas-fired air-fuel It is more larger than with standard deviation, cause burner igniting abnormal.Long-term line clogging can even cause coal gas burner regional area coal gas The risk of aggregation, there are larger security risk.Pipeline in existing tempering furnace is fixed -piping, is difficult to after having dirt generation Cleaning in time, once finding to block can only be cleared up by way of replacing pipeline or pipe joint, not only cleaning difficulty is big, And wasting manpower and material resources, when cleaning, also need to close tempering furnace, are replaced after halt production, exert a certain influence to normal production.

Particular, it is important that for the tempering furnace burner pipe-line system in current actual production, combustion air and burning coal Gas intake is often arranged on end cap top or the medium position of burner, has no and sets outlet in burner end cap bottom, causes to burn The liquid solid-state waste particle produced in mouth combustion chamber is difficult to be completely exhausted out by burning waste gas pipeline, as waste particle is being burnt for a long time Aggregation in mouth pipe-line system, it is final to block burner pipe-line system.Also, succinct light cleaning waste slag method also has no report.

Therefore, for such tempering furnace burner line clogging problem, to improve production quality, reduce plant maintenance into This, reduces production safety hidden danger, a kind of solving the not only economic but also easy method of burner line clogging there is an urgent need for developing.

The content of the invention

In view of the above-mentioned problems existing in the prior art, the purpose of this utility model is to solve existing tempering furnace burner The problem of line clogging causes, obtains a kind of pipe-line system of the pipe-line system tempering furnace burner of tempering furnace burner.

For achieving the above object, the utility model use tempering furnace burner pipe-line system technical solution such as Under：

The pipe-line system of the pipe-line system tempering furnace burner of the tempering furnace burner of the utility model includes air inlet pipe and waste discharge Pipe, air inlet pipe and waste pipe form the system for the distribution of commodities of three vertical and one horizontal, easy to tempering furnace burner pipeline air-inlet and waste discharge, play Prevent the good result blocked.Air inlet pipe includes gas piping and comburent air duct, and gas piping caliber is less than air hose Road, waste pipe include scum pipe, exhaust pipe and smoke exhaust pipe；Gas piping is connected to the top of tempering furnace burner end cap, combustion-supporting sky Feed channel is connected to the lower section of tempering furnace burner end cap；Coal gas is from top to bottom passed through in tempering furnace burner, the entrance of combustion air Direction is opposite with coal gas, by the air introduced below of tempering furnace burner end cap；The gas outlet phase of scum pipe and comburent air duct Even, one end of exhaust pipe is connected to the side of tempering furnace burner end cap, and the other end is connected with smoke exhaust pipe, the smoke exhaust pipe and deslagging Pipe connects.

Comburent air duct includes combustion air supervisor, two branch of one branch of combustion air and combustion air, described combustion-supporting Air supervisor, one branch of combustion air are connected with two branch of combustion air by the first three-way connection, the combustion air one Road is connected to the lower section of tempering furnace burner end cap, and two branch of combustion air, smoke exhaust pipe and the scum pipe are connected by the two or three Head connection.

That is, air inlet pipe includes gas piping, combustion air supervisor, one branch of combustion air and combustion air two Road, waste pipe includes scum pipe, exhaust pipe and smoke exhaust pipe, specifically, gas piping is connected to the top of tempering furnace burner end cap, Coal gas from top to bottom enters burner, and combustion air main pipeline is arranged on the side of burner, and main pipeline is bent to form angulation change air Flow direction, makes combustion air be entered by the underface of burner in burner, combustion air main pipeline connects combustion-supporting sky by three-way connection Two branch of one branch of gas and combustion air, the combustion air into burner are entered by a branch, and the air in two branches plays band The effect of dynamic waste discharge.

One branch of combustion air is symmetrical on tempering furnace burner with gas piping, and the air in two branches is further by second Three-way connection shunts, and a part is flowed into Residue extraction pipeline, and a part is flowed into smoke discharging pipe.

Preferably, two branch of combustion air and scum pipe are located on same axis.

In the side of burner end cap, equipped with discharge duct, discharge duct arranges the exhaust gas for generation of burning in tempering furnace burner Go out, emitted by smoke discharging pipe, two sections are connected between smoke discharging pipe and discharge duct by the 3rd three-way connection, and air exists Negative pressure is formed in smoke discharging pipe, drives the exhaust gas in discharge duct and the discharge of partial fine particle.For the ease of installing and supporting Shield, smoke discharging pipe is preferably vertically disposed, symmetrical on tempering furnace burner with combustion air main pipeline.

Preferably, smoke discharging pipe end is equipped with injector, and increase discharge capacity make it that discharge is more thorough.

Burn in burner and contain a large amount of aqueous vapors in the waste residue of generation, form solid-liquid mixing, the waste residue of mixed state is along helping The tube wall of combustion one branch of air flows down, and flows into scum pipe along two branch of combustion air, scum pipe is equipped with two letting cinder controls Valve, is coordinated to play the role of deslagging, two slagging coutrol valves are opened and asynchronously closed when different by the folding of two control valves. Waste residue during generation, close by the control valve of deslagging pipe end, the control valve of scum pipe front end open, it is necessary to waste discharge when Wait, the control valve of deslagging pipe end is opened, and the control valve of front end is closed.

In order to enable waste residue can preferably in Bottomhole pressure, preferably burner lower part combustion air main pipeline with helping Two branch of combustion air, Residue extraction pipeline are arranged to certain angle, and combustion air main pipeline is higher than Residue extraction pipeline, pipeline and ground institute Into inclination angle be 10~50 ° so that waste residue is flowed into Residue extraction pipeline under combustion air drive by self gravitation.

The length of Residue extraction pipeline is advisable with that can accommodate the waste residue produced in actual production, the preferable length of the utility model For 10~30mm.

Preferably, in order to preferably control inlet, air intake control valve is respectively equipped with air inlet pipe, gas piping is equipped with First control valve, combustion air main pipeline are equipped with the second control valve, and one branch of combustion air is equipped with third control valve.

As a preferred embodiment, the control valve in the utility model is manual ball valve.

Compared with prior art, the pipe-line system for the tempering furnace burner that the utility model uses has the following technical effect that：

1st, the pipe-line system of the tempering furnace burner of the utility model, it is simple to operate, pass through the liquid solid-state for generation of burning Waste particle assembles inside Residue extraction pipeline from resedimentation, by simple manual ball valve on control Residue extraction pipeline, waste residue is arranged Go out, save plant maintenance manpower and materials, substantially reduce production cost.

2nd, the pipe-line system of the tempering furnace burner of the utility model, implementation result is obvious, is remarkably improved empty inside burner The efficiency of combustion of gas and coal gas, improves the performance of product.

3rd, the pipe-line system of the tempering furnace burner of the utility model, advantageously reduces the peace in tempering furnace burner operational process Full hidden danger, reduces coal gas because the probability of regional area aggregation generation security incident occurs for line clogging.

To sum up, the utility model can efficiently solve the problem of tempering furnace burner line clogging, and input cost is relatively low, real It is preferable to apply effect, can be in obvious manpower and materials consumption in reducing production on the basis of ensureing product manufacturing quality.

Brief description of the drawings

Fig. 1 is the schematic piping diagram for the tempering furnace burner that the utility model embodiment provides；

Fig. 2 is that tempering furnace burner tunnel gas, the waste residue that the utility model embodiment provides move towards schematic diagram；

Fig. 3 is that Residue extraction pipeline waste residue collects schematic diagram in the actual production that the utility model embodiment provides；

Fig. 4 is that Residue extraction pipeline waste residue discharges schematic diagram in the actual production that the utility model embodiment provides.

Reference numeral

1st, gas piping, 2, first manual ball valve, 3, combustion air main pipeline, the 4, second manual ball valve, 5, tempering furnace burns Mouth end cap, 6, one branch of comburent air duct, the 7, the 3rd manual ball valve, the 8, first three-way connection, 9, comburent air duct two Road, the 10, second three-way connection, the 11, the 4th manual ball valve, the 12, the 5th manual ball valve, 13, Residue extraction pipeline, the 14, the 3rd 3 connects Head, 15, burning waste gas discharge line, 16, smoke discharging pipe, 17, injector, 18, waste residue.

Embodiment

The pipe-line system of tempering furnace burner provided by the utility model is made further in detail, completely with reference to embodiment Ground explanation.The embodiments described below is exemplary, and is only used for explaining the utility model, and it is not intended that new to this practicality The limitation of type.

The pipe-line system of tempering furnace burner as shown in figures 1-4, including air inlet pipe and waste pipe, air inlet pipe and waste pipe The system for the distribution of commodities of three vertical and one horizontal is formed, easy to tempering furnace burner pipeline air-inlet and waste discharge, playing prevents the good of blocking Effect.Air inlet pipe includes gas piping 1, combustion air supervisor 3, two branch 9 of one branch 6 of combustion air and combustion air, waste discharge Pipe includes scum pipe 13, exhaust pipe 15 and smoke exhaust pipe 16.Gas piping 1 is connected to the top of tempering furnace burner end cap 5, combustion-supporting sky Feed channel is connected to the lower section of tempering furnace burner end cap 5；Coal gas is from top to bottom passed through in tempering furnace burner, the entrance of combustion air Direction is opposite with coal gas, by the air introduced below of tempering furnace burner end cap；Such set-up mode causes two kinds of gas mixings More full and uniform, combustion air make it that the burning of coal gas is more thorough, and the exhaust gas of generation is less.

Comburent air duct is introduced air into the pipelines at different levels of the pipe-line system of the tempering furnace burner in the utility model, The pipeline that combustion air introduces is divided into two branch 9 of combustion air main pipeline 3, one branch 6 of combustion air and combustion air, combustion-supporting sky Gas main pipeline 3 is arranged on the side of tempering furnace burner, is arranged in parallel with gas piping 1, perpendicularly into combustion air, combustion air The bending below tempering furnace burner of main pipeline 3 turns to combustion air, and the air after steering is divided to for two by the first three-way connection 8 A branch, one branch 6 of combustion air are symmetrical arranged perpendicular to horizontal plane and gas piping 1, and combustion-supporting sky is introduced for tempering furnace burner Gas.Two branch 9 of combustion air is the extension section of main pipeline 3, and two branches, 9 both ends are equipped with the second three-way connection 10, and air passes through the One three-way connection, 8 part by the second three-way connection 10 by being divided into 16 grades of Residue extraction pipelines 13 of smoke discharging pipe again after two branches 9.Row Slag pipe 13 is connected with the gas outlet of comburent air duct, and one end of exhaust pipe 15 is connected to the side of tempering furnace burner end cap 5, separately One end is connected with smoke exhaust pipe 16, and the smoke exhaust pipe 16 is connected with scum pipe 13.

Smoke discharging pipe 16 is symmetrical arranged with combustion air main pipeline 3 on tempering furnace burner, after discharge burning vertically upward Useless cigarette and exhaust gas, smoke discharging pipe 16 is divided to for two sections, and two sections of smoke exhaust pipes are connected with exhaust pipe 15 by the 3rd three-way connection 14, row The exhaust gas and fine particle that tracheae 15 is discharged are discharged by smoke exhaust pipe 16, and the air in smoke discharging pipe 16 is in the 3rd three-way connection 14 Place forms negative pressure, and auxiliary takes away the exhaust gas in discharge duct 15, and the end of smoke discharging pipe 16 is equipped with injector 17, injector 17 Increase discharge capacity, the useless smoke waste gas in pipeline is discharged as early as possible.

The first manual ball valve 2 set on air intake control valve, including gas piping 1, combustion-supporting sky are equipped with admission line The 3rd manual ball valve 7 set on the second manual ball valve 4 set on gas main pipeline 3, and one branch 6 of combustion air, manually Ball valve can control whether air inlet and air inflow, easy to control the combustion case of tempering furnace burner.When in use, gas piping One manual ball valve 2 and the second manual ball valve of combustion air main pipeline 4 are opened by certain opening degree, it is ensured that flue gas is suitable in pipeline Channel Group leads to.

During burner combustion Indoor Combustion, the liquid solid-state waste residue little particle of generation deposits under Gravitative Loads, along a branch 6 Tube wall flows downward, and by one branch 6 of air pipeline being connected with burner, and enters two branch 9 of air pipeline, combustion residue is most Enter Residue extraction pipeline 13 eventually, other tiny waste particles are then arranged by the suction function of injector 17 together with burning waste gas Go out, so that burner line clogging situation is controlled.

The length of Residue extraction pipeline 13 can adjust, using can accommodate the mushy stage waste particle of the generation in actual production as Standard, in order to avoid causing the end of two branch 9 of combustion air and smoke discharging pipe 16 to block, selects the deslagging of 20mm length in the present embodiment Pipeline 13.

As shown in figs. 34, Residue extraction pipeline 13 is equipped with two slagging coutrol valves 11 and 12, usually in burner combustion, the Four manual ball valves 11 are opened, and the 5th manual ball valve 12 is closed, and waste residue is all accumulated in Residue extraction pipeline 13.It is first when needing deslagging The 4th manual ball valve 11 of Residue extraction pipeline is first closed, the opening degree of the 5th manual ball valve 12 of Residue extraction pipeline is then transferred to maximum, into Row pipeline deslagging is cleared up.

In order to ensure deslagging efficiency, suitably 4 opening degree of gas main duct manual ball valve is increased in the present embodiment, is fitted at the same time Amount adjusts the opening degree of the 3rd manual ball valve 7 of one branch of air pipeline, it is ensured that liquid solid-state waste particle 18 smoothly enters scum pipe Road 13；11 opening degree of the 4th manual ball valve of Residue extraction pipeline is transferred to maximum, and the 5th manual ball valve 12 of Residue extraction pipeline completely closes.

Can preferably it be flowed into for the ease of waste residue in Residue extraction pipeline, the combustion air main pipeline 3 of burner lower part and combustion-supporting Two branch 9 of air, Residue extraction pipeline 13 are located on same axis, which is inclined, formed by conduit axis and ground Inclination angle be 30 °, air inlet side is higher than gas side, by inclined pipeline, waste residue can slide naturally under gravity to In Residue extraction pipeline, then controlled by the cooperation of the 4th ball valve and the 5th ball valve, reach the effect of waste discharge.

In order to extend the service life of the pipe-line system of tempering furnace burner as far as possible, each structure such as air inlet pipe in device, Exhaust pipe, three-way connection etc., generally using metal material.Since high ambient temperature is moist, stainless steel is selected in the utility model Material is as tracheae and three-way connection.

In conclusion the use process of the pipe-line system of tempering furnace burner in the utility model is as follows：By gas piping 1 Distinguish with combustion air main pipeline 3 and from top to bottom introduce industrial gas and air, the volume ratio of industrial gas and air is about 10： 1, ensure enough burnings of industrial gas, combustion air flows in gas main duct, turn to after flow to the first three-way connection 8 Punish and be arranged on 5 lower end of burner end cap and gas piping 1 symmetrically for two branches, one branch of combustion air, combustion air is by one Road 6 enters in tempering furnace burner, aids in gas-fired, and another part air continues to flow along two branches 9, flows to the second threeway Shunted again at connector 10, a part is flowed into Residue extraction pipeline 13, and a part is flowed into smoke discharging pipe 16, and air is in smoke discharging pipe Negative pressure is formed in 16, has taken away the burning waste gas by being taken out of in discharge duct 15, discharge duct 15 and smoke discharging pipe 16 by Three three-way connections 14 connect, and smoke discharging pipe 16 has taken away exhaust gas, part residual little particle and expense cigarette in discharge duct 15, by drawing Emitter 17 is discharged.

During waste discharge slag, each pipeline and joint are cleared up without large area, only need to open the 5th manual ball valve 12, even if cleaning Blocking, which occurs, for Residue extraction pipeline 13 not prompt enough to dredge, and Residue extraction pipeline 13 can also be only replaced, without stopping work in tempering furnace Make, pipeline is replaced without large area, it is convenient and efficient, it is easy to maintain.

Finally be necessary described herein be：Above example is served only for making the technical solution of the utility model further Explain, it is impossible to be interpreted as the limitation to scope of protection of the utility model, those skilled in the art is new according to this practicality Some nonessential modifications and adaptations that the above of type is made belong to the scope of protection of the utility model.

Claims (10)

1. a kind of pipe-line system of tempering furnace burner, it is characterised in that the pipe-line system of the tempering furnace burner is by air inlet pipe, row Useless pipe composition, air inlet pipe include gas piping (1) and comburent air duct, and gas piping caliber is less than air pipeline, waste pipe Including scum pipe (13), exhaust pipe (15) and smoke exhaust pipe (16)；Gas piping (1) is connected to the upper of tempering furnace burner end cap (5) Side, comburent air duct are connected to the lower section of tempering furnace burner end cap (5)；Coal gas is from top to bottom passed through in tempering furnace burner, is helped It is opposite with coal gas to fire the approach axis of air, by the air introduced below of tempering furnace burner end cap；Scum pipe (13) and combustion-supporting sky The gas outlet of feed channel is connected, and one end of exhaust pipe (15) is connected to the side of tempering furnace burner end cap (5), the other end and smoke evacuation Manage (16) to be connected, the smoke exhaust pipe (16) is connected with scum pipe (13).

2. the pipe-line system of tempering furnace burner according to claim 1, it is characterised in that：The comburent air duct includes Combustion air supervisor (3), one branch of combustion air (6) and two branch of combustion air (9), the combustion air are responsible for (3), combustion-supporting One branch of air (6) is connected with two branch of combustion air (9) by the first three-way connection (8), one branch of combustion air (6) The lower section of tempering furnace burner end cap (5) is connected to, two branch of combustion air (9), smoke exhaust pipe (16) and scum pipe (13) are logical Cross the second three-way connection (10) connection.

3. the pipe-line system of tempering furnace burner according to claim 2, it is characterised in that：Two branch of combustion air (9) it is located at scum pipe (13) on same axis.

4. the pipe-line system of tempering furnace burner according to claim 3, it is characterised in that：Two branch of combustion air (9) it is a with the angle of horizontal plane, 20 °≤a≤40 °.

5. the pipe-line system of tempering furnace burner according to claim 3, it is characterised in that：Combustion residue passes through combustion air The tube wall of one branch (6) flows down, and is discharged after flowing through two branch of combustion air (9) by scum pipe (13).

6. the pipe-line system of tempering furnace burner according to claim 1, it is characterised in that：Scum pipe (13) is equipped with two rows Slag control valve, two slagging coutrol valves are opened and asynchronously closed when different.

7. the pipe-line system of tempering furnace burner according to claim 1, it is characterised in that：The pipeline of air inlet pipe be equipped with into Gas control valve.

8. the pipe-line system of tempering furnace burner according to claim 1, it is characterised in that：Smoke exhaust pipe (16) is divided into two sections, Two sections of smoke exhaust pipes are connected with exhaust pipe (15) by the 3rd three-way connection (14).

9. the pipe-line system of tempering furnace burner according to claim 1, it is characterised in that：Smoke exhaust pipe (16) end, which is equipped with, draws Emitter (17).

10. the pipe-line system of tempering furnace burner according to claim 1, it is characterised in that：The length of scum pipe (13) is 10~30mm.