CN215637172U

CN215637172U - Heat treatment pulse combustion nozzle and control system

Info

Publication number: CN215637172U
Application number: CN202121236627.9U
Authority: CN
Inventors: 张志荣; 张志友; 李畅飞
Original assignee: Jiaxing Jinchi Industrial Furnace Co ltd
Current assignee: Jiaxing Jinchi Industrial Furnace Co ltd
Priority date: 2021-06-03
Filing date: 2021-06-03
Publication date: 2022-01-25
Anticipated expiration: 2031-06-03

Abstract

The utility model belongs to the technical field of heat treatment, and particularly relates to a heat treatment pulse combustion nozzle and a control system. The technical problems that the design is unreasonable and the like in the prior art are solved. The heat treatment pulse burner comprises a burner body, wherein the spraying end of the burner body is suspended, and a plurality of circular grooves are formed in the outer wall of the burner body at intervals; the hoop is fixed in the circular groove; the heat dissipation convex ribs are distributed along the axial direction of the burner nozzle main body. The utility model has the advantages that: the hoop plays a role in radial reinforcement. The heat dissipation convex ribs play a role in axial reinforcement so as to further prolong the service life of the heat treatment pulse burner.

Description

Heat treatment pulse combustion nozzle and control system

Technical Field

The utility model belongs to the technical field of heat treatment, and particularly relates to a heat treatment pulse combustion nozzle and a control system.

Background

In the conventional heat treatment furnace gas flow statistics, a more common method of the heat treatment pulse combustion accurate soft flow control system is to additionally install a metering flowmeter. The conventional flow meters include Roots flow meters, turbine flow meters and vortex street flow meters.

The existing heat treatment pulse burner is easy to deform due to high temperature, and has short service life. Secondly, the three flow meters have the highest Roots accuracy, are expensive and have reduced accuracy due to the cleanness degree in the pipeline. The metering accuracy of the turbine flowmeter needle pulse type combustion flowmeter is reduced, and the precision of the vortex shedding flowmeter under the two conditions is reduced.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving the above problems, and an object of the present invention is to provide a heat treatment pulse burner and a control system thereof.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the heat treatment pulse combustion nozzle comprises a nozzle body,

the burner comprises a burner main body, a plurality of annular grooves and a plurality of combustion chambers, wherein the spraying end of the burner main body is suspended, and the annular grooves are distributed on the outer wall of the burner main body at intervals;

the hoop is fixed in the circular groove;

the heat dissipation convex ribs are distributed along the axial direction of the burner nozzle main body.

In the heat treatment pulse burner, the transverse section of the heat dissipation convex rib is triangular.

In the heat treatment pulse burner, one end of the burner body, which is far away from the suspension part, is fixed on the input pipe clamp.

In the above heat treatment pulse burner, the input pipe clamp includes an L-shaped channel, one end of the L-shaped channel is an input pipe connection port, and the other end of the L-shaped channel is connected to the burner body.

In the heat treatment pulse burner, the input pipe clamp comprises a lower clamp plate and an upper clamp plate, the lower clamp plate and the upper clamp plate are fixed together through a plurality of bolts, and the L-shaped channel is formed between the lower clamp plate and the upper clamp plate.

The heat treatment pulse combustion control system is provided with a plurality of heat treatment pulse combustion nozzles, each heat treatment pulse combustion nozzle is connected with an orifice plate flowmeter, and the orifice plate flowmeters are electrically connected with the PLC control device.

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

the hoop plays a role in radial reinforcement.

The heat dissipation convex ribs play a role in axial reinforcement so as to further prolong the service life of the heat treatment pulse burner.

Drawings

FIG. 1 is a schematic view of a burner tip according to the present invention.

Fig. 2 is a schematic diagram of an input pipe clamp structure provided by the utility model.

Fig. 3 is a schematic structural diagram of a second embodiment of the present invention.

In the figure, a heat treatment pulse burner a, a burner body 1, a circular groove 10, a heat dissipation convex rib 11, an input pipe clamp 2, an L-shaped channel 20, a lower clamp plate 21, an upper clamp plate 22, an orifice plate flowmeter 3, a PLC control device 4 and a hoop 5.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the accompanying drawings, but the present invention is not limited to these embodiments.

Example one

As shown in fig. 1 and 2, the heat treatment pulse burner comprises a burner tip body 1, wherein the spraying end of the burner tip body 1 is suspended, and the suspended end of the burner tip body 1 is provided with an outer convex necking part to improve the spraying pressure.

A plurality of circular grooves 10 are distributed on the outer wall of the burner tip body 1 at intervals; the interval evenly distributed of ring groove 10, simultaneously, the groove depth of ring groove 10 is 1/3 of 1 wall thickness of burner main part, has staple bolt 5 in the ring groove 10 to and the staple bolt is connected in fixed stay, and fixed stay is vertical rod, and it is connected in staple bolt upside or downside, and the staple bolt is in order to play radial reinforcing effect. Meanwhile, the designed circular groove 10 can prevent the anchor ear 5 from displacing, and the use safety is ensured.

The heat dissipation ribs 11 are provided in plurality and distributed along the axial direction of the burner tip body 1. The heat dissipation convex ribs 11 play an axial strengthening role so as to further prolong the service life of the heat treatment pulse burner.

Further, the transverse section of the heat dissipation rib 11 of the present embodiment is triangular. Of course, the shape of the heat dissipating ribs 11 may be rectangular.

Secondly, the end of the burner tip body 1 away from the suspension is fixed on the input pipe clamp 2. The input pipe clamp 2 comprises an L-shaped channel 20, one end of the L-shaped channel 20 is an input pipe connecting port, and the other end of the L-shaped channel 20 is connected with the burner tip main body 1. Are all sealed and connected to prevent leakage.

Specifically, the input pipe clamp 2 of the present embodiment includes a lower clamp plate 21 and an upper clamp plate 22, and the lower clamp plate 21 and the upper clamp plate 22 are fixed together by a plurality of bolts and the above-described L-shaped passage 20 is formed therebetween. There is vertical shelves strip its notch both sides in the half slot of lower plate 21, is equipped with the confession respectively in its notch both sides in the half slot of upper plate 22 the bayonet socket that vertical shelves strip was gone into one by one to play sealed effect.

Example two

As shown in fig. 3, according to the first embodiment, the present heat treatment pulse combustion control system has a plurality of heat treatment pulse burners a according to the first embodiment, each of the heat treatment pulse burners a is connected to an orifice flowmeter 3, and the orifice flowmeter 3 is electrically connected to a PLC control device 4. The PLC control device 4 is a conventional commercial product.

The power of the orifice plate flowmeter 3 limits the orifice plate, different inlet pressures and different powers are adopted, and the programmable controller collects the combustion air pressure and the combustion time for calculation to obtain the actual power and the gas consumption. The ideal result with 1 per mill deviation compared with the actual flowmeter can be calculated in a programmable way.

The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the utility model as defined in the appended claims.

Claims

1. Heat treatment pulse burner, including burner tip main part (1), the injection end of burner tip main part (1) is unsettled, its characterized in that, this burner tip still includes:

the annular grooves (10) are formed in the outer wall of the burner nozzle body (1) at intervals;

the hoop (5) is fixed in the circular groove (10);

the heat dissipation convex ribs (11) are distributed along the axial direction of the burner nozzle main body (1).

2. The heat treatment pulse burner as recited in claim 1, wherein the heat dissipating ribs (11) have a triangular cross-section in the transverse direction.

3. The heat treatment pulse burner as claimed in claim 1, wherein the burner body (1) is fixed to an input pipe clamp (2) at an end away from the suspension.

4. The heat treatment pulse burner as claimed in claim 3, wherein the inlet pipe clamp (2) has an L-shaped channel (20), one end of the L-shaped channel (20) is an inlet pipe connection port, and the other end is connected to the burner body (1).

5. The heat treatment pulse burner as claimed in claim 4, wherein the input pipe clamp (2) comprises a lower clamping plate (21) and an upper clamping plate (22), the lower clamping plate (21) and the upper clamping plate (22) are fixed together by a plurality of bolts and the L-shaped channel (20) is formed between the lower clamping plate and the upper clamping plate.

6. The heat treatment pulse combustion control system is characterized in that a plurality of heat treatment pulse combustion burners (a) as claimed in any one of claims 1 to 5 are provided, an orifice plate flowmeter (3) is connected to each heat treatment pulse combustion burner (a), and the orifice plate flowmeter (3) is electrically connected with a PLC (programmable logic controller) control device (4).