CN218846141U - Water-cooled burner - Google Patents

Abstract

The utility model discloses a water-cooled burner, including the combustion-supporting air barrel, the internally mounted of combustion-supporting air barrel has the gas pipe, the water-cooling jacket casing is installed to the outside of combustion-supporting air barrel, the inside of water-cooling jacket casing is equipped with the ring pipe, even intercommunication has a plurality of pipelines on the ring pipe, one side intercommunication of ring pipe has the inlet tube, the lateral wall intercommunication of water-cooling jacket casing has the outlet pipe; novel rotary kiln water-cooled combustor adopts water-cooling to add resistant material form, and the outside of the combustion-supporting wind of combustor is the water-cooling jacket promptly, and the outside of water-cooling jacket attaches refractory material, adopts the mode that industry demineralized water and refractory material combined together to insulate against heat, and this mode is compared with the resistant material of simple, can effectually reduce the frequency of the maintenance of combustor body, and thermal-insulated, cooling effect are better, effectual extension combustor life.

Description

Water-cooled burner

Technical Field

The utility model relates to a combustor technical field specifically is water-cooling combustor.

Background

The conventional rotary kiln burner is insulated in the form of refractory material, i.e. refractory material is attached to the outside of the burner. The high-temperature area of the combustor adopts high-temperature resistant stainless steel 310S (the highest temperature resistance is 1200 ℃, the long-term temperature resistance is 1150 ℃) and the thickness is 8mm.

During operation, the temperature in the kiln hood exceeds 1200 ℃, and may be higher at the initial stage of the operation of the calcination process. The main functions of the refractory material at the outer side of the burner are fire insulation and temperature reduction, flame is prevented from directly contacting the burner body, and the temperature of the burner body is reduced. The traditional rotary kiln combustor completes heat insulation and cooling by matching refractory materials with cooling air, and the maintenance period of a high-temperature area of a combustor body is 3-8 months.

The traditional rotary kiln burner is easy to burn and damage, high in maintenance frequency and incapable of ensuring the continuity of production.

For this purpose, water-cooled burners are proposed.

Disclosure of Invention

An object of the utility model is to provide a water-cooling combustor to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the water-cooled burner comprises a combustion-supporting air cylinder body, wherein a gas pipe is arranged inside the combustion-supporting air cylinder body, a water-cooled jacket shell is arranged outside the combustion-supporting air cylinder body, a ring pipe is arranged inside the water-cooled jacket shell, the ring pipe is uniformly communicated with a plurality of pipelines, one side of the ring pipe is communicated with a water inlet pipe, and the outer side wall of the water-cooled jacket shell is communicated with a water outlet pipe.

Preferably, the following components: the water cooling jacket shell comprises a shell, a front baffle and a rear baffle;

the front baffle and the rear baffle are respectively arranged on two sides of the shell.

Preferably, the following components: the inlet tube penetrates through the rear baffle.

Preferably: a plurality of rivets are uniformly arranged on the outer side wall of the water cooling jacket shell, and steel wires are arranged among the rivets.

Preferably: the outer side wall of the water cooling jacket shell is uniformly provided with a fire-resistant layer, and the fire-resistant layer covers the rivets.

Preferably: and a baffle for limiting the position of the refractory layer is arranged on the outer side wall of the water-cooling jacket shell.

Preferably: the annular pipe sleeve is arranged on the outer side of the combustion-supporting air cylinder body.

Compared with the prior art, the beneficial effects of the utility model are that: novel rotary kiln water-cooled combustor adopts water-cooling to add resistant material form, and the outside of the combustion-supporting wind of combustor is the water-cooling jacket promptly, and the outside of water-cooling jacket attaches refractory material, adopts the mode that industry demineralized water and refractory material combined together to insulate against heat, and this mode is compared with the resistant material of simple, can effectually reduce the frequency of the maintenance of combustor body, and thermal-insulated, cooling effect are better, effectual extension combustor life.

Drawings

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

fig. 2 is the structural schematic diagram of the water cooling jacket shell of the utility model.

In the figure: 1. a combustion-supporting air cylinder; 2. a gas pipe; 3. a water jacket shell; 31. a housing; 32. a tailgate; 33. a front baffle; 4. a refractory layer; 5. a water outlet pipe; 6. a baffle plate; 7. an annular tube; 8. a pipeline; 9. a water inlet pipe; 10. and (6) riveting.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Examples

Referring to fig. 1-2, the present invention provides a technical solution: the water-cooled burner comprises a combustion-supporting air cylinder body 1, wherein a gas pipe 2 is arranged inside the combustion-supporting air cylinder body 1, a water-cooling jacket shell 3 is arranged outside the combustion-supporting air cylinder body 1, a ring-shaped pipe 7 is arranged inside the water-cooling jacket shell 3, a plurality of pipelines 8 are uniformly communicated on the ring-shaped pipe 7, a water inlet pipe 9 is communicated with one side of the ring-shaped pipe 7, and a water outlet pipe 5 is communicated with the outer side wall of the water-cooling jacket shell 3.

As shown in fig. 2: the water jacket shell 3 comprises a shell 31, a front baffle 33 and a rear baffle 32;

the front baffle 33 and the rear baffle 32 are respectively installed at both sides of the housing 31; through the setting, the installation work of carrying out water cooling jacket casing 3 that can be better, only trilateral plate body has simultaneously, can make between the moisture with combustion-supporting wind barrel 1 contact for cooling rate.

As shown in fig. 2: the water inlet pipe 9 penetrates through the rear baffle 32; through the arrangement, moisture can be more conveniently conveyed to the annular pipe 7 positioned inside the water cooling jacket shell 3.

As shown in fig. 2: a plurality of rivets 10 are uniformly arranged on the outer side wall of the water cooling jacket shell 3, and steel wires are arranged among the rivets 10; through the arrangement, the fire-resistant layer 4 can be fixed, so that the fire-resistant layer is firmly fixed on the outer side of the water cooling jacket shell 3.

As shown in fig. 2: the outer side wall of the water cooling jacket shell 3 is uniformly provided with a fire-resistant layer 4, and the fire-resistant layer 4 covers the rivet 10; through the above arrangement, the flame retardant coating 4 can resist a large amount of heat, thereby protecting the water cooling jacket shell 3.

As shown in fig. 2: the outer side wall of the water cooling jacket shell 3 is provided with a baffle 6 for limiting the position of the fire-resistant layer 4; through the arrangement, the length of the refractory layer 4 can be limited, and the normal operation of other components is guaranteed.

As shown in fig. 2: the annular pipe 7 is sleeved outside the combustion-supporting air cylinder 1; through the arrangement, the moisture transportation work is facilitated.

The working principle is as follows: when using, inside 7 with external cooling water drainage ring pipes through inlet tube 9, then through 7 inflow ring pipes 8, through the opening of the 8 other ends of pipeline, can make the cooling water drainage water-cooling jacket casing 3 inside to cooling down combustion-supporting wind barrel 1, along with moisture is more and more, the moisture of cooling completion can be discharged through outlet pipe 5, through the incessant emission of cooling water, thereby can accomplish cooling and thermal-insulated work.

The water-cooled burner adopts a water-cooling and refractory material adding mode, namely, the outer side of a burner combustion-supporting air cylinder body 1 is provided with a water-cooling sleeve, and the outer side of the water-cooling sleeve is attached with a refractory layer 4;

cooling water flow rate: 23m, water inlet pressure 0.2-0.4MPa, industry demineralized water requires that the cooling water is incessant in succession, and delivery port temperature is about 45 degrees, adopts the mode that industry demineralized water and refractory material combined together to insulate against heat, and this mode is compared with simple resistant material, can effectually reduce the frequency of the maintenance of combustor body, and thermal-insulated, cooling effect are better, effectual extension combustor life.

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 (7)

1. The water-cooled combustor comprises a combustion-supporting air cylinder body (1), and is characterized in that: the utility model discloses a water-cooling jacket, including combustion-supporting air barrel (1), water-cooling jacket casing (3) are installed to the internally mounted of combustion-supporting air barrel (1), the outside of combustion-supporting air barrel (1) is installed water-cooling jacket casing (3), the inside of water-cooling jacket casing (3) is equipped with annular tube (7), even intercommunication has a plurality of pipelines (8) on annular tube (7), one side intercommunication of annular tube (7) has inlet tube (9), the lateral wall intercommunication of water-cooling jacket casing (3) has outlet pipe (5).

2. The water-cooled burner of claim 1, wherein: the water cooling jacket shell (3) comprises a shell (31), a front baffle plate (33) and a rear baffle plate (32);

the front baffle (33) and the rear baffle (32) are respectively arranged at two sides of the shell (31).

3. The water-cooled burner of claim 2, wherein: the water inlet pipe (9) penetrates through the rear baffle (32).

4. The water-cooled burner of claim 1, wherein: a plurality of rivets (10) are uniformly arranged on the outer side wall of the water cooling jacket shell (3), and steel wires are arranged among the rivets (10).

5. The water-cooled burner of claim 4, wherein: the outer side wall of the water-cooling jacket shell (3) is uniformly provided with a fire-resistant layer (4), and the fire-resistant layer (4) covers the rivets (10).

6. The water-cooled combustor as claimed in claim 5, wherein: and a baffle (6) for limiting the position of the fire-resistant layer (4) is arranged on the outer side wall of the water-cooling jacket shell (3).

7. The water-cooled burner of claim 1, wherein: the annular pipe (7) is sleeved on the outer side of the combustion-supporting air cylinder body (1).

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