CN211232827U

CN211232827U - Energy-saving and environment-friendly furnace pipe of efficient steam generator with compact structure

Info

Publication number: CN211232827U
Application number: CN201922227614.4U
Authority: CN
Inventors: 吴渊
Original assignee: Zhejiang Shiji Xiongdi Boiler Co ltd
Current assignee: Zhejiang Shiji Xiongdi Boiler Co ltd
Priority date: 2019-12-12
Filing date: 2019-12-12
Publication date: 2020-08-11
Anticipated expiration: 2029-12-12

Abstract

The utility model discloses a high-efficiency energy-saving and environment-friendly boiler furnace of a steam generator with compact structure, which comprises a lower header, an upper boiler barrel and a water pipe; the water pipe is communicated with the lower header and the upper boiler; the water pipes are provided with a plurality of water pipes which respectively form a first pipe array, a second pipe array and a third pipe array, a first combustion chamber is arranged between the first pipe array and the third pipe array, a second combustion chamber is arranged between the first pipe array and the second pipe array, a third combustion chamber is arranged between the second pipe array and the right furnace body shell, a fourth combustion chamber is arranged between the third pipe array and the left furnace body shell, and heat energy generated by burning flame sequentially passes through the first combustion chamber, the second combustion chamber and the third combustion chamber, reaches the fourth combustion chamber through the rear smoke box and is discharged through a chimney.

Description

Energy-saving and environment-friendly furnace pipe of efficient steam generator with compact structure

Technical Field

The utility model relates to a high-efficiency energy-saving and environment-friendly boiler furnace of a steam generator with compact structure.

Background

Steam generators are mechanical devices that utilize the heat energy of a fuel or other energy source to heat water into steam.

The water capacity of the boiler specified by the state is more than 30 liters, and the rated pressure is more than 0.1MPA, and then the boiler certificate belongs to a pressure container, the enterprise needs to handle the boiler certificate for the pressure container, and in order to reduce the risk of using the boiler and reduce the troublesome procedures of handling various certificates, the utility model designs a boiler equipment with the water capacity less than 30 liters, and the boiler certificate can be not needed to be handled because the boiler equipment does not belong to the pressure container specified by the state. We also refer to such devices as steam generators.

The water capacity is less than 30 liters, the above hard requirement can lead to the design difficulty of the steam generator to be sharply increased, the evaporation capacity of the common steam generator is smaller, the evaporation capacity is generally less than 500KG/H on the market, the utilization efficiency of the steam generator is low, and the evaporation capacity of the steam generator designed by the utility model can be 1000-1500 KG/H.

Because the design degree of difficulty is great, steam generator fuel on the market is all single, in order to reach the requirement of evaporation capacity, the utility model provides a compact structure, furthest utilizes the steam generator of steam efficiency, and main design is the utilization ratio that improves heat energy.

Disclosure of Invention

In order to solve the fuel singleness, the evaporation capacity that are less than 30 liters among the prior art steam generator little, be difficult to satisfy the market demand, the utility model provides a compact structure's energy-concerving and environment-protective stove courage of high-efficient steam generator, the utility model discloses a steam generator's of technical scheme's stove courage evaporation capacity can accomplish 1000 and make good use of 1500 KG/H.

The technical scheme of the utility model as follows:

an energy-saving and environment-friendly furnace pipe of a high-efficiency steam generator with a compact structure comprises a lower header, an upper boiler barrel and a water pipe; the water pipe is communicated with the lower header and the upper boiler; the water pipes are provided with a plurality of water pipes which respectively form a first pipe array, a second pipe array and a third pipe array, a first combustion chamber is arranged between the first pipe array and the third pipe array, a second combustion chamber is arranged between the first pipe array and the second pipe array, a third combustion chamber is arranged between the second pipe array and the right side furnace body shell, a fourth combustion chamber is arranged between the third pipe array and the left side furnace body shell, and heat energy generated by burning flame sequentially passes through the first combustion chamber to the fourth combustion chamber, then passes through the smoke box and then is discharged through the chimney.

Furthermore, the lower header is U-shaped or V-shaped, the first tube array and the second tube array are respectively arranged on one side wing of the lower header, the first tube array is respectively connected with the upper drum and the lower header, the second tube array is respectively connected with the upper drum and the lower header, and a certain interval is arranged between the first tube array and the second tube array.

Furthermore, the third row of pipes are arranged on the other side wing of the lower header, the third row of pipes are respectively connected with the upper boiler barrel and the lower header, gaps among the water pipes forming the third row of pipes are sealed, and the first combustion chamber is not communicated with the fourth combustion chamber.

Further, the third combustion chamber is connected with the fourth combustion chamber through a rear smoke box, and the rear smoke box is enclosed by a rear retaining wall and a shell behind the furnace body. The rear retaining wall is formed by sealing a first row pipe, a second row pipe and a third row pipe which are close to one end side of the shell behind the furnace body by adding iron sheets.

Further, water enters from the lower header and flows through the first row of pipes, the second row of pipes or the third row of pipes.

Furthermore, water is heated in the lower header and the water pipe to generate steam, the steam enters the upper drum and is discharged through the steam outlet of the upper drum.

Further, the upper boiler barrel is in a cylindrical shape, and water vapor is filled in the upper boiler barrel.

Further, the first row of tubes is provided with N₁Root water pipe, N₁Not less than 1; the second row of tubes is provided with N₂Root water pipe, N₂Not less than 1, the third row of pipes is provided with N₃Root water pipe, N₃≥1。

Further, the fuel is liquid fuel or gas fuel.

Advantageous effects

The utility model adopts the U-shaped or V-shaped or other lower header with the rotary shape similar to the U-shaped or V-shaped, and the first row pipe, the second row pipe and the third row pipe which are composed of a plurality of water pipes, and adopts the lower header to reduce the water capacity, so that the water capacity is not more than 30L; the water capacity in the furnace body can be reduced to the maximum extent, and the heating area of the furnace pipe is increased to the maximum extent, so that the evaporation capacity of the boiler is increased, and the condition that the national standard is less than 30 liters is met.

The utility model discloses a time of extension heat energy in the stove courage adopts the mode of first tubulation, second tubulation, third tubulation and back barricade to divide into five return strokes with the heat energy stroke, and the combustion chamber is first return stroke, and the second combustion chamber is the second return stroke, and the third combustion chamber is the third return stroke, and the back flue is the fourth return stroke, and the fourth combustion chamber is the fifth return stroke. And among the prior art, the stove courage generally is three return strokes, has increased the heat energy stroke, prolongs the dwell time of heat energy flame in the furnace body to improve the furnace body and to the absorption of heat energy, this kind of structure of increasing the thermal efficiency is more reasonable, has better heat energy absorption effect, furthest's increase heated area, and the increasing of thermal efficiency further increases the heated area of stove courage, thereby makes boiler evaporation capacity further increase.

The utility model provides a furnace body of five return stroke structures makes more easily than the structure of ordinary three return strokes on the market to the cost is lower, can reduce cost.

Drawings

Fig. 1 is a schematic view of an energy-saving and environment-friendly furnace of a high-efficiency steam generator without a casing in embodiment 1 of the present invention.

Fig. 2 is a schematic view of a high-efficiency steam generator energy-saving and environment-friendly furnace with a compact structure according to embodiment 1 of the present invention.

Fig. 3 is a schematic diagram of a high-efficiency steam generator energy-saving and environment-friendly furnace pipe with a rear smoke box in embodiment 1 of the present invention.

Fig. 4 is a schematic diagram of a first tube array of an energy-saving and environment-friendly furnace tube of a high-efficiency steam generator in embodiment 1 of the present invention.

Fig. 5 is a schematic transverse sectional view of an energy-saving and environment-friendly furnace tube of a high-efficiency steam generator in embodiment 1 of the present invention.

The reference numbers are as follows: 1, mounting a boiler barrel; 2-lower header; 3-a first array of tubes; 3-1, a first column outlet; 4-a second array of tubes; 4-1, outlet of the second array of pipes, and 5-third array of pipes; 6-steam outlet; 7-a first combustion chamber; 8-second combustion chamber 9-third combustion chamber; 10-a fourth combustion chamber; 11-a smoke outlet; 12-left side furnace body shell; 13-right furnace body shell; 14-burner ports; 15-rear retaining wall; 16-a shell at the rear of the furnace body; 17-rear smoke box.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description.

As shown in fig. 1, 2 and 3, the furnace pipe comprises an upper drum 1, a U-shaped lower header 2 and a water pipe; the water pipe is communicated with the upper boiler barrel 1 and the U-shaped lower header 2; the water pipe is equipped with many, constitutes first tubulation 3, second tubulation 4 and third tubulation 5 respectively, and first tubulation 3 and second tubulation 4 all locate a wing of U type collection case 2 down, are equipped with certain interval between first tubulation 3 and the second tubulation 4, and the upper drum 1 and U type collection case 2 are connected respectively to the both ends of first tubulation 3 and second tubulation 4. And a third row of pipes 5 are positioned on the other side wing of the U-shaped lower header 2 and are opposite to the first row of pipes and the second row of pipes 4, and the two ends of the third row of pipes 5 are respectively connected with the upper drum 1 and the U-shaped lower header 2.

A first combustion chamber 7 is arranged between the first row pipe 3 and the third row pipe 5, a second combustion chamber 8 is arranged between the first row pipe 3 and the second row pipe 4, a third combustion chamber 9 is arranged between the second row pipe 4 and the right side furnace body shell 13, a fourth combustion chamber 10 is arranged between the third row pipe 5 and the left side furnace body shell 12, and heat energy generated by burning flames sequentially passes through the first combustion chamber 7, the second combustion chamber 8, the third combustion chamber 9, the rear smoke box 17 and the fourth combustion chamber 10, is discharged through a smoke outlet 11 of the smoke box, and is finally discharged through a chimney.

The water pipes forming the first row of pipes 3 are partially sealed and partially have gaps, for example, in the embodiment, the gaps are formed among the water pipes of the first row of pipes 3 close to the rear retaining wall 15, each gap forms the first row of pipe outlets 3-1 of the first row of pipes 3, and heat energy flows into the second combustion chamber 8 from the first combustion chamber 7 through the first row of pipe outlets 3-1; the water tubes constituting the second row of tubes 4 are partially sealed and partially have gaps, for example, in the embodiment, the second row of tubes 4 are sealed between the water tubes close to the rear wall 15, and the water tubes far from the rear wall 15 have gaps, the gaps constitute a second row of tube outlets 4-1, and heat energy passes through the second row of tube outlets 4-1 from the second combustion chamber 8 and enters the third combustion chamber 9. The gaps between the water tubes constituting the third row of tubes 5 are all sealed, and in this embodiment, by welding, heat energy cannot enter the fourth combustion chamber from the first combustion chamber. The first row of pipe outlets 3-1 and the second row of pipe outlets 4-1 are respectively arranged close to the rear retaining wall 15 and far away from the rear retaining wall 15, and the arrangement is designed to prolong the stroke of heat energy to the maximum extent.

As shown in fig. 3, the third combustion chamber 9 and the fourth combustion chamber 10 are connected by a rear smoke box 17, and the rear smoke box 17 is enclosed by a rear retaining wall 15 and a furnace body rear casing 16. In this embodiment, the rear retaining wall 15 is formed by sealing the first tube array 3, the second tube array 4 and the third tube array 5 close to one end side of the shell at the rear of the furnace body by adding iron sheets.

Water enters from the lower header 2 and flows through the first, second or third array of

tubes

3, 4, 5. The water is heated in the lower header 2 and the water pipe to generate steam, the steam enters the upper drum 1 and is discharged through the steam outlet 6 of the upper drum 1.

The upper boiler barrel 1 is cylindrical, and the upper boiler barrel 1 is filled with water vapor.

The first row of tubes 3 is provided with N₁Root water pipe, N₁Not less than 1; the second tube nest 4 is provided with N₂Root water pipe, N₂More than or equal to 1, N is arranged on the third tube array 5₃Root water pipe, N₃Not less than 1. The fuel is liquefied fuel or gaseous fuel.

Claims

1. The utility model provides a compact structure's energy-concerving and environment-protective stove courage of high-efficient steam generator which characterized in that: the furnace pipe comprises a lower header, an upper boiler barrel and a water pipe; the water pipe is communicated with the lower header and the upper boiler; the water pipes are provided with a plurality of water pipes which respectively form a first pipe array, a second pipe array and a third pipe array, a first combustion chamber is arranged between the first pipe array and the third pipe array, a second combustion chamber is arranged between the first pipe array and the second pipe array, a third combustion chamber is arranged between the second pipe array and the right furnace body shell, a fourth combustion chamber is arranged between the third pipe array and the left furnace body shell, and heat energy generated by burning flame sequentially passes through the first combustion chamber, the second combustion chamber and the third combustion chamber, reaches the fourth combustion chamber through the rear smoke box and is discharged through a chimney.

2. The energy-saving and environment-friendly furnace pipe of the high-efficiency steam generator with compact structure as claimed in claim 1, characterized in that: the lower collecting box is U-shaped or V-shaped, the first tube array and the second tube array are arranged on one side wing of the lower collecting box in a row, the first tube array is connected with the upper boiler barrel and the lower collecting box respectively, the second tube array is connected with the upper boiler barrel and the lower collecting box respectively, and a certain interval is arranged between the first tube array and the second tube array.

3. The energy-saving and environment-friendly furnace pipe of the high-efficiency steam generator with compact structure as claimed in claim 1, characterized in that: the third row of pipes are arranged on the other side wing of the lower header, the third row of pipes are connected with the upper boiler barrel and the lower header respectively, gaps among the water pipes forming the third row of pipes are sealed, and the first combustion chamber is not communicated with the fourth combustion chamber.

4. The energy-saving and environment-friendly furnace pipe of the high-efficiency steam generator with compact structure as claimed in claim 1, characterized in that: the third combustion chamber is connected with the fourth combustion chamber through a rear smoke box.

5. The energy-saving and environment-friendly furnace pipe of the high-efficiency steam generator with compact structure as claimed in claim 1, characterized in that: the back smoke box is enclosed by back barricade and furnace body rear shell, the first tubulation, second tubulation and the third tubulation that a back barricade is close to the furnace body rear shell are distolateral adds the iron sheet and seal and form.

6. The energy-saving and environment-friendly furnace pipe of the high-efficiency steam generator with compact structure as claimed in claim 1, characterized in that: water enters from the lower header and flows through the first tube array, the second tube array or the third tube array.

7. The energy-saving and environment-friendly furnace pipe of the high-efficiency steam generator with compact structure as claimed in claim 1, characterized in that: the water is heated in the lower header and the water pipe to generate steam, the steam enters the upper boiler and is discharged through the steam outlet of the upper boiler.

8. The energy-saving and environment-friendly furnace pipe of the high-efficiency steam generator with compact structure as claimed in claim 1, characterized in that: the upper boiler barrel is cylindrical and is filled with steam.

9. The energy-saving and environment-friendly furnace pipe of the high-efficiency steam generator with compact structure as claimed in claim 1, characterized in that: the first row of tubes is provided with N₁Root water pipe, N₁Not less than 1; the second row of tubes is provided with N₂Root water pipe, N₂Not less than 1, the third row of pipes is provided with N₃Root water pipe, N₃≥1。

10. The energy-saving and environment-friendly furnace pipe of the high-efficiency steam generator with compact structure as claimed in claim 8, characterized in that: the fuel used by the energy-saving and environment-friendly furnace pipe is liquid fuel or gas fuel.