CN218993682U

CN218993682U - Vertical bottom-burning fuel oil and gas organic heat carrier boiler

Info

Publication number: CN218993682U
Application number: CN202223160735.XU
Authority: CN
Inventors: 胡海琴; 陈浩; 胡威; 那秋霞; 韩淑婷; 徐少军
Original assignee: WUXI XINENG BOILER CO Ltd
Current assignee: WUXI XINENG BOILER CO Ltd
Priority date: 2022-11-28
Filing date: 2022-11-28
Publication date: 2023-05-09
Anticipated expiration: 2032-11-28

Abstract

The utility model discloses a vertical bottom-combustion fuel oil and gas organic heat carrier boiler which comprises an inner ring coil, a C-shaped pipe, an outer ring coil and a shell, wherein the inner side of the shell is provided with the outer ring coil, the inner side of the outer ring coil is provided with the inner ring coil, one end of the inner ring coil is vertically upwards communicated with a transverse pipe, the transverse pipe is connected with the C-shaped pipe through a first elbow, the middle of the C-shaped pipe is connected with flat steel through a pipe bracket, the upper end of the flat steel is connected with a suspender, and the upper end of the suspender is connected with a top cover. The upper end inside this vertical bottom burns fuel oil gas organic heat carrier boiler evenly is provided with the C venturi tube, and the C venturi tube can cover inner circle coil pipe top, and the clearance is even reasonable, corresponds with the top cap, does not leave the dead zone, and the fire-resistant folding piece at top can not drop, and C venturi tube, elbow, pipe bracket etc. moreover, simple manufacture process, simple to operate, with low costs.

Description

Vertical bottom-burning fuel oil and gas organic heat carrier boiler

Technical Field

The utility model belongs to the technical field of organic heat carrier boilers, and particularly relates to a vertical bottom-combustion fuel oil and gas organic heat carrier boiler.

Background

The heating surface of the vertical bottom burning fuel oil and gas organic heat carrier boiler is formed by sleeving two layers of circular coils or three layers of circular discs together, wherein the innermost coil is called an inner coil, the middle coil is called a middle coil, the outer coil is called an outer coil, each layer of coil is formed by one or more spiral coils connected in parallel, an organic heat carrier is arranged inside the coil, smoke is arranged in a gap between the two layers of coils, the heat absorption of the boiler is divided into radiant heat and convection heat, the radiant heat accounts for 60%, the convection heat accounts for 40%, the inner coil absorbs all the radiant heat and a part of convection heat, the total heat absorption capacity is about 70%, and the rest convection heat is absorbed by the middle coil and the outer coil.

In the prior art, a ceiling pipe of a vertical bottom-firing fuel oil and gas organic heat carrier boiler is formed by extracting two furnace pipe coils from an inner ring coil pipe, wherein a mosquito coil pipe with holes in the middle is covered on the top of the boiler and used for isolating the radiation of a hearth, and meanwhile, a fire-resistant folding block for supporting the furnace top is limited by a manufacturing process, the diameter of the holes in the middle of the mosquito coil pipe is about 500mm, when the diameter of the furnace pipe is more than or equal to 108mm, the diameter of the holes in the middle is 1200mm, the fire-resistant folding block above the holes is hung on a steel structure of the furnace top by using stainless steel penetrating strips, and the size specification of the fire-resistant folding block is as follows: the length multiplied by the width multiplied by the height is 600mm multiplied by 300mm multiplied by 200mm, and because the hole size is greater than the size of fire-resistant folding block, the fire-resistant folding block in this region often can fall to cause the stove top overtemperature, and in addition because the heat absorption of ceiling pipe can lead to the boiler tube outlet temperature that is used for making the ceiling pipe to be higher than other boiler tubes, causes the heat absorption inhomogeneous, and mosquito-repellent incense type ceiling pipe manufacturing process is complicated simultaneously, and is with high costs.

Disclosure of Invention

The utility model aims to solve the problems in the prior art, and aims to provide a vertical bottom-combustion fuel oil and gas organic heat carrier boiler, so as to solve the problems that the outlet temperature of a furnace tube used as a ceiling tube is higher than that of other furnace tubes, so that uneven heat absorption is caused, and meanwhile, the process for manufacturing the mosquito-repellent incense type ceiling tube is complex and the cost is high.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the utility model provides a vertical end burns fuel oil gas organic heat carrier boiler, includes inner circle coil pipe, C venturi tube, outer lane coil pipe and casing, the casing inboard is provided with outer lane coil pipe, and the outer lane coil pipe inboard is provided with the inner circle coil pipe, the one end of inner circle coil pipe is vertical upwards crooked, and is connected with C venturi tube through first elbow, be connected with the band steel through the pipe bracket in the middle of the C venturi tube, and the band steel upper end is connected with the jib, and the upper end of jib is connected with the top cap.

Further, the C-shaped pipes are provided with a plurality of C-shaped pipes, the positions of the C-shaped pipes correspond to the positions of the top cover, and the side areas of the C-shaped pipes are consistent with the area of the top cover.

Further, the other end of the C-shaped pipe is communicated with an outlet pipe through a second elbow, the outlet pipe penetrates through the top cover to be connected with the outlet header, and a sealing ring is arranged at the joint of the outlet pipe and the top cover.

Further, the first elbow and the second elbow are both 90-degree elbows.

Further, a gap is arranged between the side face of the inner ring coil and the outer ring coil, and a gap is arranged between the upper end of the inner ring coil and the C-shaped pipe.

Further, a pipe bracket is welded on the upper part of the C-shaped pipe, the pipe bracket is fixedly connected with flat steel, and the flat steel is fixedly connected with the suspender.

Further, the upper end of the suspender is fixedly connected with the top cover.

Further, the height of the outer ring coil is larger than that of the inner ring coil, and the height of the outer ring coil is consistent with the overall height of the inner ring coil and the C-shaped pipe.

The beneficial effects are that: compared with the prior art, the application has the following advantages:

1. the upper end inside this vertical bottom burns fuel oil gas organic heat carrier boiler evenly is provided with the C venturi tube, and the C venturi tube can cover inner circle coil pipe top, and the clearance is even reasonable, corresponds with the top cap, does not leave the dead zone, and the fire-resistant folding piece at top can not drop.

2. The vertical bottom-combustion fuel oil and gas organic heat carrier boiler is internally heated uniformly, the upper end of the inner ring coil pipe is uniformly connected with a C-shaped pipe, the heating is uniform, the outlet temperature deviation is small and more stable, the upper end face of the C-shaped pipe of the organic heat carrier boiler is convenient for subsequent work, a flat surface is formed after the whole furnace roof is covered by the C-shaped pipe, and the subsequent laying of the fireproof folding blocks is convenient and quick.

3. The vertical bottom-combustion fuel oil and gas organic heat carrier boiler has the advantages of simple manufacturing process, convenient installation and low cost, and is provided with C-shaped pipes, elbows, pipe brackets and the like.

Drawings

FIG. 1 is a schematic diagram of a vertical bottom-fired fuel-gas organic heat carrier boiler;

fig. 2 is a schematic diagram of a partial structure of a vertical bottom-firing fuel oil and gas organic heat carrier boiler.

Detailed Description

The utility model is further described below with reference to the accompanying drawings.

As shown in fig. 1 and 2, vertical bottom burning fuel oil gas organic heat carrier boiler, including inner circle coil pipe 1, C shape pipe 3, outer lane coil pipe 9 and casing 10, the casing 10 inboard is provided with outer lane coil pipe 9, outer lane coil pipe 9 inboard is provided with inner circle coil pipe 1, be provided with the clearance through the flue gas between the inner circle coil pipe 1, guarantee the normal flow of flue gas, the vertical upward bending of one end of inner circle coil pipe 1, a plurality of first elbows 2 of convenient connection, and inner circle coil pipe 1 upper end is connected with C shape pipe 3 through first elbow 2, C shape pipe 3 evenly sets up, be heated evenly, the export temperature deviation is little, more stable, first elbow 2 guarantees inner circle coil pipe 1 and C shape pipe 3 intercommunication each other, and changed the direction, change the boiler tube into same plane horizontal arrangement, C shape pipe 3 middle is connected with band steel 7 through pipe support 6, and band steel 7 upper end is connected with jib 8, the upper end of jib 8 is connected with top cap 11, C shape pipe 3 middle department card is on pipe support 6, pipe support 6 is fixed on top cap 11 through band steel 7 and jib 8, guarantee that C shape pipe 3 is connected with C shape pipe 3, the top cap 3 can be folded down evenly, the top cap 3 is provided with the top cap 3, the top cap is folded evenly, can not cover the top cap 3 is folded evenly, the top cap is convenient, the top cap is folded evenly, can be used for the top cap 3, the top cap is folded evenly, the top cap is used for the top cap is used, the top cap is used for the top cap is convenient, the top cap is used to cover.

As shown in fig. 2, the C-shaped pipes 3 are provided with a plurality of C-shaped pipes 3, the positions of the C-shaped pipes 3 correspond to the positions of the top cover 11, the side areas of the C-shaped pipes 3 are consistent with the areas of the top cover 11, the C-shaped pipes 3 are paved on the upper end face of the inner ring coil pipe 1, gaps among the C-shaped pipes 3 are uniform and reasonable, the C-shaped pipes correspond to the top cover 11, no dead zone is left, the refractory folding blocks at the top cannot fall off, a flat surface is formed after the whole furnace roof is covered by the C-shaped pipes 3, and the refractory folding blocks are paved conveniently and rapidly.

As shown in fig. 2, the other end of the C-shaped pipe 3 is communicated with the outlet pipe 4 through a second elbow 12, the upper end of the outer ring coil 9 is also connected with the outlet header 5 through the outlet pipe 4, the outlet pipe 4 penetrates through the top cover 11 to be connected with the outlet header 5, and a sealing ring is arranged at the joint of the outlet pipe 4 and the top cover 11, so that the tightness is further ensured.

The first elbow 2 and the second elbow 12 are both 90-degree elbows, so that the connection position of the first elbow 2 and the second elbow 12 can be changed in direction normally.

A gap is arranged between the side surface of the inner ring coil 1 and the outer ring coil 9, and a gap is arranged between the upper end of the inner ring coil 1 and the C-shaped pipe 3, so that the flue gas can normally pass through the inner ring coil 1 and then flow into the gap between the inner ring coil 1 and the outer ring coil 9.

The pipe support 6 has been welded on C venturi tube 3 upper portion, and pipe support 6 and band steel 7 fixed connection, band steel 7 and jib 8 fixed connection, and jib 8's upper end and top cap 11 are fixed connection, and fixed connection can improve stability and joint strength, prevents to appear cracked phenomenon after long-time the use, and fixed connection can be the welding, and pipe support 6 can make C venturi tube 3 connect into a whole.

The height of the outer ring coil pipe 9 is larger than that of the inner ring coil pipe 1, the height of the outer ring coil pipe 9 is consistent with the overall height of the inner ring coil pipe 1 and the C-shaped pipe 3, and the C-shaped pipe covers the inner ring coil pipe 1 to form a ceiling pipe with uniform gaps.

The utility model provides a thought and an implementation method of a vertical type bottom-combustion fuel oil and gas organic heat carrier boiler, and the specific application ways are many, and the above is only a preferred embodiment of the utility model, and it should be pointed out that a plurality of improvements can be made by those skilled in the art without departing from the principle of the utility model, and the improvements are also considered as the protection scope of the utility model.

Claims

1. A vertical bottom burning fuel oil and gas organic heat carrier boiler is characterized in that: including inner circle coil pipe (1), C venturi tube (3), outer lane coil pipe (9) and casing (10), casing (10) inboard is provided with outer lane coil pipe (9), and outer lane coil pipe (9) inboard is provided with inner circle coil pipe (1), the one end of inner circle coil pipe (1) is vertical upwards crooked, and is connected with C venturi tube (3) through first elbow (2), be connected with band steel (7) through pipe bracket (6) in the middle of C venturi tube (3), and band steel (7) upper end is connected with jib (8), and the upper end of jib (8) is connected with top cap (11).

2. The vertical bottom-firing fuel oil and gas organic heat carrier boiler according to claim 1, wherein: the C-shaped pipes (3) are provided with a plurality of C-shaped pipes (3), the positions of the C-shaped pipes (3) correspond to the positions of the top cover (11), and the side areas of the C-shaped pipes (3) are consistent with the area of the top cover (11).

3. The vertical bottom-firing fuel oil and gas organic heat carrier boiler according to claim 2, wherein: the other end of the C-shaped pipe (3) is communicated with the outlet pipe (4) through a second elbow (12), the outlet pipe (4) penetrates through the top cover (11) to be connected with the outlet header (5), and a sealing ring is arranged at the joint of the outlet pipe (4) and the top cover (11).

4. The vertical bottom-firing fuel oil and gas organic heat carrier boiler according to claim 1, wherein: the first elbow (2) and the second elbow (12) are both 90-degree elbows.

5. The vertical bottom-firing fuel oil and gas organic heat carrier boiler according to claim 1, wherein: a gap is formed between the side face of the inner ring coil pipe (1) and the outer ring coil pipe (9), and a gap is formed between the upper end of the inner ring coil pipe (1) and the C-shaped pipe (3).

6. The vertical bottom-firing fuel oil and gas organic heat carrier boiler according to claim 1, wherein: the upper part of the C-shaped pipe (3) is welded with a pipe bracket (6), the pipe bracket (6) is fixedly connected with a flat steel (7), and the flat steel (7) is fixedly connected with a hanging rod (8).

7. The vertical bottom-firing fuel oil and gas organic heat carrier boiler according to claim 1, wherein: the upper end of the suspender (8) is fixedly connected with the top cover (11).

8. The vertical bottom-firing fuel oil and gas organic heat carrier boiler according to claim 1, wherein: the height of the outer ring coil pipe (9) is larger than that of the inner ring coil pipe (1), and the height of the outer ring coil pipe (9) is consistent with the overall height of the inner ring coil pipe (1) and the C-shaped pipe (3).