Water-cooled high-temperature-resistant slag adhering equipment

By setting up a gas distribution mechanism in the feed pipe, the problem of uneven mixing between gas and oxygen is solved, the full contact between oxygen and fuel is achieved, the combustion efficiency is improved, and the production cost and equipment load are reduced.

CN223150520UActive Publication Date: 2025-07-25ZHEJIANG HUACHUAN IND GRP
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Patent Information

Application Number
CN202421923000.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-09
Publication Date
2025-07-25
Estimated Expiration
2034-08-09

AI Technical Summary

Technical Problem

The existing water-cooled wall gasification furnaces are unevenly mixed with oxygen during the slag hang process, resulting in insufficient contact between oxygen and fuel, low fuel utilization, increasing energy consumption and production costs, and increasing equipment load.

Method used

The gas distribution mechanism is provided in the feed pipe, including a mounting cylinder, a driving impeller and agitating blades. The driving impeller is driven to rotate through the gas, and the agitating blades are driven to agitate oxygen and fuel, so that they are in full contact and improve combustion efficiency.

Benefits of technology

It improves combustion efficiency, reduces production costs and equipment load, and achieves more efficient fuel utilization.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223150520U_ABST
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Abstract

The utility model relates to the technical field of slag adhering equipment, in particular to water-cooled high-temperature-resistant slag adhering equipment which comprises a main cylinder, a cooling cylinder, an air inlet pipe, an air distribution mechanism and a refractory layer. The main cylinder is sleeved with the cooling cylinder, and a water cooling cavity is formed between the cooling cylinder and the main cylinder; the air inlet pipe is arranged on the feeding pipe, and one end of the air inlet pipe penetrates through the feeding pipe and extends into the feeding pipe; the gas distribution mechanism is arranged in the feeding pipe, the gas distribution mechanism is connected with the feeding pipe through a supporting rod, and the gas inlet pipe is communicated with the gas distribution mechanism; and the refractory layer is arranged in the main cylinder. The gas distribution mechanism is arranged on the feeding pipe, fuel gas enters the feeding pipe to push the driving impeller to rotate, the driving impeller rotates to drive the stirring blades to rotate through the mounting shaft, oxygen and fuel entering the feeding pipe are stirred, the oxygen and the fuel can make full contact, the combustion efficiency is improved, the production cost can be reduced, and the production efficiency is improved. And the workload of equipment can be reduced.
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Description

Technical Field

[0001] The utility model relates to the technical field of slag hanging equipment, in particular to a water-cooled high-temperature resistant slag hanging equipment. Background Art

[0002] During the initial start-up process of water-cooled wall gasifiers on the market, a certain period of slag hanging is required. Currently, slag hanging in gasifiers is completed by pulverized coal burners. The flame stability is poor, and the wall surface is prone to overheating.

[0003] Patent authorization announcement number CN 204478129 U discloses a water-cooled high-temperature resistant slag hanging equipment, which includes a front central channel and a rear central channel connected to each other. The rear end of the rear central channel is an oxygen-carrying coal slag inlet, and a gas inlet is provided on the side wall of the rear central channel. A refractory layer is provided on the inner wall of the front central channel, an annular water-cooling jacket is provided on the outer wall of the front central channel, and an ignition device is provided inside the combined part of the front central channel and the rear central channel. The flame shape is stable, the flame length and thickness are appropriate, the wall surface overheating can be avoided, the combustion efficiency is high, and the slag hanging quality is good.

[0004] However, the above technical solution has the following deficiencies: the mixing of gas and oxygen is not uniform enough, oxygen and fuel cannot fully contact, the fuel cannot be fully utilized, the energy consumption is relatively high, which will not only lead to waste of production raw materials and increase in production costs, but also increase the load of the equipment. Summary of the Utility Model

[0005] The purpose of the utility model is to provide a water-cooled high-temperature resistant slag hanging equipment aiming at the problems existing in the background art.

[0006] The technical solution of the utility model: A water-cooled high-temperature resistant slag hanging equipment, comprising:

[0007] A main cylinder, the top of which is communicated with a feed pipe;

[0008] A cooling cylinder, which is sleeved outside the main cylinder, and a water-cooling cavity is formed between the cooling cylinder and the main cylinder;

[0009] An air inlet pipe, which is arranged on the feed pipe, and one end of the air inlet pipe penetrates through the feed pipe and extends into the feed pipe;

[0010] A gas distribution mechanism, which is arranged in the feed pipe, the gas distribution mechanism is connected to the feed pipe through a support rod, and the air inlet pipe is communicated with the gas distribution mechanism;

[0011] A refractory layer, which is arranged in the main cylinder for high-temperature protection of the main cylinder.

[0012] Preferably, a water inlet pipe is communicated with one side of the cooling cylinder, and a water outlet pipe is communicated with the other side of the cooling cylinder.

[0013] Preferably, the gas distribution mechanism includes an installation cylinder, an installation shaft, a driving impeller, and stirring blades;

[0014] The installation cylinder is installed inside the cooling cylinder. The intake pipe penetrates through the installation cylinder and is connected to the installation cylinder. The installation cylinder is provided with a plurality of gas holes penetrating therethrough;

[0015] One end of the installation shaft is located inside the installation cylinder, and the installation shaft is rotatably connected to the installation cylinder;

[0016] A plurality of driving impellers are provided. The driving impellers are located inside the installation cylinder, and the driving impellers are connected to the installation shaft;

[0017] A plurality of stirring blades are provided. The stirring blades are located outside the installation cylinder, and the stirring blades are connected to the installation shaft.

[0018] Preferably, it further includes a flow guide cover, and the flow guide cover is connected to the end of the installation cylinder.

[0019] Preferably, a plurality of support rods are provided. One end of the support rod is connected to the installation cylinder, and the other end of the support rod is connected to the feed pipe.

[0020] Preferably, a plurality of slag nails are provided on the inner wall of the refractory layer, and the plurality of slag nails are evenly distributed on the inner wall of the refractory layer.

[0021] Compared with the prior art, the above technical solution of the present utility model has the following beneficial technical effects:

[0022] By arranging a gas distribution mechanism in the feed pipe, the present utility model enables the gas to enter the feed pipe to push the driving impeller to rotate. The rotation of the driving impeller drives the stirring blades to rotate through the installation shaft, stirring the oxygen and fuel entering the feed pipe, enabling the oxygen and fuel to fully contact, improving the combustion efficiency, reducing both the production cost and the working load of the equipment. Description of the Drawings

[0023] Figure 1 is a perspective view of an embodiment proposed by the present utility model;

[0024] Figure 2 is a cross-sectional view of an embodiment proposed by the present utility model;

[0025] Figure 3 is a cross-sectional view of the feed pipe in an embodiment proposed by the present utility model;

[0026] Figure 4 is a cross-sectional view of the gas distribution mechanism in an embodiment proposed by the present utility model.

[0027] Reference numerals: 1, main cylinder; 2, feed pipe; 3, cooling cylinder; 4, intake pipe; 5, gas distribution mechanism; 51, mounting cylinder; 52, mounting shaft; 53, driving impeller; 54, stirring blade; 55, gas hole; 56, deflector; 6, support rod; 7, refractory layer; 8, water inlet pipe; 9, water outlet pipe; 10, slag nail. Detailed implementation manners

[0028] Embodiment 1

[0029] As Figures 1-4 shown, a water-cooled high-temperature slag-hanging device proposed by the present utility model includes a main cylinder 1, a cooling cylinder 3, an intake pipe 4, a gas distribution mechanism 5 and a refractory layer 7. The top end of the main cylinder 1 is communicated with a feed pipe 2, and an ignition device is arranged at the outlet of the feed pipe 2;

[0030] The cooling cylinder 3 is sleeved outside the main cylinder 1, and a water-cooling cavity is formed between the inner wall of the cooling cylinder 3 and the outer wall of the main cylinder 1. One side of the cooling cylinder 3 is communicated with a water inlet pipe 8, and the other side of the cooling cylinder 3 is communicated with a water outlet pipe 9;

[0031] The intake pipe 4 is arranged on the feed pipe 2, and one end of the intake pipe 4 penetrates through the feed pipe 2 and extends into the feed pipe 2;

[0032] The gas distribution mechanism 5 is arranged in the feed pipe 2. The gas distribution mechanism 5 is connected with the feed pipe 2 through a support rod 6, and the intake pipe 4 is communicated with the gas distribution mechanism 5;

[0033] The refractory layer 7 is arranged in the main cylinder 1 for high-temperature protection of the main cylinder 1. A plurality of slag nails 10 are arranged on the inner wall of the refractory layer 7, and the plurality of slag nails 10 are evenly distributed on the inner wall of the refractory layer 7.

[0034] Embodiment 2

[0035] As Figures 2-4 shown, a water-cooled high-temperature slag-hanging device proposed by the present utility model, compared with Embodiment 1, further specifically discloses the structure of the gas distribution mechanism 5 in this embodiment; the gas distribution mechanism 5 includes a mounting cylinder 51, a mounting shaft 52, a driving impeller 53, a stirring blade 54 and a deflector 56;

[0036] The mounting cylinder 51 is installed inside the cooling cylinder 3. The intake pipe 4 penetrates through the mounting cylinder 51 and is communicated with the mounting cylinder 51. The mounting cylinder 51 is provided with a plurality of gas holes 55 in a penetrating manner. The gas holes 55 are evenly distributed at the lower end of the side wall of the mounting cylinder 51. The gas holes 55 are inclined at 45 degrees. A plurality of support rods 6 are provided. The support rods 6 are evenly distributed along the circumferential direction of the mounting cylinder 51. One end of the support rod 6 is fixedly connected to the surface of the mounting cylinder 51, and the other end of the support rod 6 is fixedly connected to the inner wall of the feed pipe 2;

[0037] One end of the mounting shaft 52 is located inside the mounting cylinder 51, and the mounting shaft 52 is rotatably connected with the mounting cylinder 51;

[0038] A plurality of driving impellers 53 are provided. The driving impellers 53 are located inside the mounting cylinder 51 and are fixedly connected to the mounting shaft 52.

[0039] A plurality of stirring blades 54 are provided. The stirring blades 54 are located outside the mounting cylinder 51 and are fixedly connected to the mounting shaft 52.

[0040] The flow guide cover 56 is fixedly connected to one end of the mounting cylinder 51 close to the air inlet.

[0041] Oxygen enters the feed pipe 2, and the fuel gas enters the mounting cylinder 51 through the gas inlet pipe 4. When the fuel enters the mounting cylinder 51, it pushes the driving impeller 53 to rotate. The rotation of the driving impeller 53 drives the stirring blade 54 to rotate through the mounting shaft 52. The fuel entering the mounting cylinder 51 enters the feed pipe 2 through the gas holes 55 and is mixed with the oxygen in the feed pipe 2 under the action of the stirring blade 54 and then is ignited by the ignition device. The molten slag formed by combustion is sprayed onto the inner wall of the refractory layer 7 and slowly accumulates under the action of the slag nails 10. The cooling water enters the cooling cylinder 3 through the water inlet pipe 8 to cool the main cylinder 1 and the refractory layer 7, facilitating the formation of the slag layer.

[0042] The embodiments of the present invention have been described in detail above with reference to the drawings. However, the present invention is not limited thereto. Various changes can be made without departing from the spirit of the present invention within the scope of knowledge possessed by those skilled in the art.

Claims

1. A water-cooled high-temperature slag-hanging device, characterized in that, Including: A main cylinder (1) with a feed pipe (2) connected to its top end; A cooling cylinder (3) sleeved outside the main cylinder (1), with a water-cooling cavity formed between the cooling cylinder (3) and the main cylinder (1); An air inlet pipe (4) arranged on the feed pipe (2), one end of the air inlet pipe (4) penetrating through the feed pipe (2) and extending into the feed pipe (2); A gas distribution mechanism (5) arranged in the feed pipe (2), the gas distribution mechanism (5) being connected to the feed pipe (2) through a support rod (6), and the air inlet pipe (4) being communicated with the gas distribution mechanism (5); A refractory layer (7) arranged inside the main cylinder (1) for high-temperature protection of the main cylinder (1).

2. The water-cooled high-temperature slag-hanging device according to claim 1, characterized in that, One side of the cooling cylinder (3) is communicated with a water inlet pipe (8), and the other side of the cooling cylinder (3) is communicated with a water outlet pipe (9).

3. The water-cooled high-temperature slag-hanging device according to claim 1, wherein, The gas distribution mechanism (5) includes an installation cylinder (51), an installation shaft (52), a driving impeller (53) and stirring blades (54); The installation cylinder (51) is installed inside the cooling cylinder (3), the air inlet pipe (4) penetrating through the installation cylinder (51) and being communicated with the installation cylinder (51), and the installation cylinder (51) being provided with a plurality of gas holes (55) penetratingly opened; One end of the installation shaft (52) is located inside the installation cylinder (51), and the installation shaft (52) is rotatably connected to the installation cylinder (51); A plurality of driving impellers (53) are provided, the driving impellers (53) being located inside the installation cylinder (51), and the driving impellers (53) being connected to the installation shaft (52); A plurality of stirring blades (54) are provided, the stirring blades (54) being located outside the installation cylinder (51), and the stirring blades (54) being connected to the installation shaft (52).

4. The water-cooled high-temperature slag-hanging device according to claim 3, wherein, It further includes a flow guide cover (56) connected to the end of the installation cylinder (51).

5. The water-cooled high-temperature slag-hanging device according to claim 3, characterized in that, A plurality of support rods (6) are provided, one end of the support rods (6) being connected to the installation cylinder (51), and the other end of the support rods (6) being connected to the feed pipe (2).

6. The water-cooled high-temperature slag-hanging device according to claim 1, characterized in that, The inner wall of the refractory layer (7) is provided with a plurality of slag nails (10), and the plurality of slag nails (10) are evenly distributed on the inner wall of the refractory layer (7).

Citation Information

Patent Citations

  • Water-cooling-type high-temperature-resistant slag hanging equipment

    CN204478129U