CN221197399U

CN221197399U - Heat pipe boiler

Info

Publication number: CN221197399U
Application number: CN202322751236.6U
Authority: CN
Inventors: 李军; 徐营; 王云超
Original assignee: Shandong Fuyuan Boiler Co ltd
Current assignee: Shandong Fuyuan Boiler Co ltd
Priority date: 2023-10-13
Filing date: 2023-10-13
Publication date: 2024-06-21
Anticipated expiration: 2033-10-13

Abstract

The utility model relates to the technical field of quick temperature rise and dust fall of a heat pipe boiler, and discloses a heat pipe boiler, which comprises a combustion cavity and a shell, wherein the combustion cavity is arranged below the shell and is not contacted with the bottom, one end of the combustion cavity extends out of one side of the shell and is connected with a burner, the other end of the combustion cavity is still arranged inside the shell and is connected with a first smoke chamber, an air jet is arranged on the outer ring of a port connected with the first smoke chamber of the combustion cavity, a flow baffle plate is arranged at the lower wind opening of the air jet, so that the air flow flowing along the inner wall can be formed, the air flow flowing through the inner wall of the combustion cavity forms a low pressure area, middle air flows to the surrounding low pressure area, columnar flames originally sprayed by the burner are influenced by the air flow, the columnar flames are in a divergent shape, the contact range with the air flow is increased, the combustion is more sufficient, and more heat can be transferred to the combustion cavity, so that the temperature rise of a liquid medium in the shell is accelerated.

Description

Heat pipe boiler

Technical Field

The utility model relates to the technical field of rapid temperature rise and dust fall of a heat pipe boiler, in particular to a heat pipe boiler.

Background

The heat pipe boiler shell is filled with liquid medium, the temperature is raised by flame combustion in the combustion cavity, high-temperature smoke is generated, the smoke enters the smoke chamber and the return smoke pipe to increase the heat exchange area with the liquid medium, so that the liquid boils to generate steam, heat and energy are obtained, and meanwhile, water is injected inwards to avoid dry burning.

The common heat pipe boiler sprays fuel and gas into the combustion chamber through the burner and ignites, the flame formed by the mode is over haulage concentrated flame, the whole combustion chamber is wide and large, the heating capacity is small, the whole chamber is slowly warmed up, meanwhile, the gas can be dispersed when entering the combustion chamber, so that the fuel is insufficient to burn, accumulated ash is easy to form in the pipe, and the heat exchange efficiency is affected.

Disclosure of utility model

The technical problems to be solved are as follows: aiming at the defects of the prior art, the utility model provides a heat pipe boiler which has the advantages of high combustion efficiency and less accumulated ash, and solves the problem of accumulated ash caused by insufficient fuel combustion.

(II) technical scheme: in order to achieve the purposes of high combustion efficiency and less ash deposition, the utility model provides the following technical scheme: the heat pipe boiler comprises a combustion cavity and a shell, wherein the combustion cavity is arranged below the shell and is not contacted with the bottom, one end of the combustion cavity extends out from one side of the shell and is connected with a burner, the other end of the combustion cavity is still arranged inside the shell and is connected with a first smoke chamber, an air jet is arranged on the outer ring of a port, connected with the first smoke chamber, of the combustion cavity, and a flow baffle plate is arranged at the lower air opening of the air jet, so that air flow flowing along the inner wall can be formed;

Through the flow of combustion chamber inner wall air current, form the low pressure district, middle gas flows to the low pressure district around, makes the columnar flame that the combustor originally sprays receive the gas flow influence, presents the divergence form, increases the contact range with the air current, and the burning is more abundant, can have more heat transfer to the combustion chamber simultaneously on for the liquid medium in the casing intensifies to accelerate.

Preferably, the first smoke chamber is connected with a second smoke chamber outside the shell through a first return smoke pipe, the connection part is positioned at one side below the second smoke chamber, the second smoke chamber is connected with a third smoke chamber positioned at the other side outside the shell through a second return smoke pipe, and the second return smoke pipe is arranged at the outer ring of the first return smoke pipe.

Preferably, a fan is arranged above the second smoke chamber, and a detachable dust removal box is arranged below the second smoke chamber.

Preferably, the flow baffle is inclined towards the direction of the inner wall of the combustion chamber, so that the air flow can prevent flame from rushing in while moving along the inner wall, the combustion chamber is provided with a plurality of links to increase the heat exchange area with the liquid medium in the shell

Preferably, the first return smoke pipe and the second return smoke pipe are internally coated with RLHY-2037 high-temperature-resistant anti-adhesion paint, and the dust removal box is internally coated with ZS-722 anti-corrosion paint which is easy to adhere to, so that solid particles can be effectively adsorbed, and the deposition of smoke after temperature reduction in the second return smoke pipe is reduced.

Preferably, the upper end of the shell close to one side of the burner is provided with a water filling port.

Preferably, the bottom of the shell close to the burner side is provided with an inclined plane.

(III) beneficial effects: compared with the prior art, the utility model provides a heat pipe boiler, which has the following beneficial effects:

1. This heat pipe boiler through the effect of jet and fender flow board for can form the air current that flows along the inner wall on the combustion chamber inner wall, after combustor spun air current and fuel are lighted, comparatively concentrate in axle center department, the air current that the inner wall flows forms low pressure region, make the center department air current outwards diverge, the shape of flame can be changed in the flow of gas, the contact of flame and gas has been increased, make the burning more abundant, the heat is more, divergent flame can be apart from the heating combustion chamber of nearer simultaneously, make its intensification faster.

2. This heat pipe boiler, second smoke chamber top are equipped with decurrent fan, effectively reduce the ascending motion of first return stroke tobacco pipe, reduce thermal loss, make high temperature flue gas and dust removal box increase contact time simultaneously, are equipped with special coating on the dust removal box, can effectively adsorb solid particles, reduce the flue gas deposit in the second return stroke tobacco pipe after the temperature reduces.

3. This heat pipe boiler, water injection port set up lean on combustor one side above the casing, because the combustor one end far away in the combustion chamber is the outer flame, and diverges big burning fully, and the temperature is higher, and the liquid medium in the casing is leaned on the combustor end to heat up faster, from the combustor water injection, can form liquid flow, and the bottom is equipped with the inclined plane simultaneously for the liquid that low temperature density is big can move the heating to the right side.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the flow of combustion chamber gases in accordance with the present utility model.

In the figure: 1. a burner; 11. a combustion chamber; 2. a housing; 21. a water filling port; 31. a first smoke chamber; 32. a second smoke chamber; 33. a third smoke chamber; 111. a flow baffle; 112. an air jet; 311. a first return smoke tube; 321. a second return smoke tube; 322. a dust removal box; 323. a fan.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1, a heat pipe boiler includes a combustion chamber 11 and a housing 2, wherein the combustion chamber 11 is disposed below the housing 2, and is not in contact with the bottom, one end of the combustion chamber extends out from one side of the housing 2, is connected with a burner 1, and the other end of the combustion chamber is still inside the housing 2 and is connected with a first smoke chamber 31, an air nozzle 112 is disposed on an outer ring of a port of the combustion chamber 11, which is connected with the first smoke chamber 31, and a flow baffle 111 is disposed at a lower wind opening of the air nozzle 112, so that an air flow flowing along an inner wall can be formed.

Referring to fig. 2, through the flow of the air flow on the inner wall of the combustion chamber 11, a low pressure area is formed, the middle gas flows to the surrounding low pressure area, so that the columnar flame originally sprayed by the burner 1 is affected by the air flow, is in a divergent shape, increases the contact range with the air flow, is more sufficient in combustion, and can transfer more heat to the combustion chamber 11, so that the temperature of the liquid medium in the shell 2 is increased.

The first smoke chamber 31 is connected with the second smoke chamber 32 outside the shell 2 through the first return smoke pipe 311, the connection part is positioned at one side below the second smoke chamber 32, the second smoke chamber 32 is connected with the third smoke chamber 33 positioned at the other side outside the shell 2 through the second return smoke pipe 321, the second return smoke pipe 321 is arranged at the outer ring of the first return smoke pipe 311, high-temperature smoke in the combustion chamber 11 firstly flows into the first smoke chamber 31, then flows into the first return smoke pipe 311 from the first smoke chamber 31, then flows into the second smoke chamber 32, and then flows into the third smoke chamber 33 after flowing into the second return smoke pipe 321.

The baffle plate 111 inclines towards the direction of the inner wall of the combustion chamber 11, so that the air flow can block flame from rushing in while moving along the inner wall, and the combustion chamber 11 is provided with a plurality of links to increase the heat exchange area with the liquid medium in the shell 2.

The fan 323 is arranged above the second smoke chamber 32, so that upward movement of the first return smoke pipe is effectively reduced, heat loss is reduced, and the detachable dust removal box 322 is arranged below the second smoke chamber.

Further, the first return smoke tube 311 and the second return smoke tube 321 are internally coated with RLHY-2037 high-temperature resistant anti-adhesion paint, and the dust removal box 322 is internally coated with ZS-722 anti-adhesion paint which can effectively adsorb solid particles and reduce the deposition of smoke after temperature reduction in the second return smoke tube.

The upper end of the shell 2 near the burner 1 side is provided with a water filling port 21.

Further, the bottom of the shell 2 near the burner 1 side is provided with an inclined plane, because the end of the combustion chamber 11 far away from the burner 1 is an outer flame, and the inner part of the combustion chamber 11 is fully burnt in a large divergence mode, the temperature is higher, the temperature of the liquid medium in the shell 2 is raised faster near the end of the burner 1, water is injected from the burner 1, liquid flow can be formed, and meanwhile, the bottom is provided with an inclined plane, so that the liquid with high low temperature density can be heated by moving to the right side.

Working principle: the burner 1 is ignited and then the flame is filled in the combustion chamber 11 by injecting oxygen and fuel, but because the injection mode can lead the flame to be concentrated towards the axis, the overall temperature rise of the combustion chamber 11 is slower, because the initial temperature of combustion is lower and the oxygen can be dispersed when being injected into the combustion chamber 11, the fuel is insufficiently combusted, the air flow is injected to the inner wall of the combustion chamber 11 through the air nozzle 112 to form a low-pressure area, the air flow at the axis is outwardly dispersed, the shape of the flame is changed due to the change of the air flow, the flame which is originally columnar is formed to be divergent, the contact between the flame and the air flow is increased, the fuel can be fully combusted, the combustion efficiency is increased, the ash accumulation formed for the complete combustion is reduced, the heat exchange efficiency of the combustion chamber 11 and the liquid medium in the shell 2 is reduced, when high-temperature flue gas enters the second flue gas chamber 32 through the first flue gas chamber 31 and the first return flue pipe 311, the temperature is obviously reduced because of heat exchange with a liquid medium, if the high-temperature flue gas is directly introduced into the second return flue pipe 321, partial solid particles in the flue gas are easy to deposit, downward airflow is formed through a fan 323 in the second flue gas chamber 32, meanwhile, a dust removal box 322 coated with ZS-722 anticorrosive paint is arranged at the bottom, the paint can effectively adsorb the solid particles, and after the work is finished, the dust removal box 322 can be detached for cleaning or replacement, so that the dust accumulation in the second return flue pipe 321 is effectively reduced, and meanwhile, the downward airflow of the whole second flue gas chamber 32 can also prevent the high-temperature flue gas flowing out of the first return flue pipe 311 from rising, so that heat is lost.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A heat pipe boiler comprising a combustion chamber (11) and a housing (2), characterized in that: the combustion chamber (11) is arranged below the shell (2), is not contacted with the bottom, one end of the combustion chamber extends out from one side of the shell (2) and is connected with the burner (1), the other end of the combustion chamber is still arranged inside the shell (2) and is connected with the first smoke chamber (31), an air jet opening (112) is arranged at the outer ring of a port connected with the first smoke chamber (31) of the combustion chamber (11), and a flow baffle (111) is arranged at the air outlet of the air jet opening (112) so that air flow flowing along the inner wall can be formed;

through the flow of combustion chamber (11) inner wall air current, form the low pressure district, the middle gas flows to the low pressure district around, makes the column flame that combustor (1) originally sprays receive the gas flow influence, presents the divergence form, increases the contact range with the air current, and the burning is more abundant, can have more heat transfer to combustion chamber (11) simultaneously for liquid medium in casing (2) intensifies to accelerate.

2. A heat pipe boiler according to claim 1, characterized in that: the first smoke chamber (31) is connected with a second smoke chamber (32) outside the shell (2) through a first return smoke pipe (311), the connection part is positioned at one side below the second smoke chamber (32), the second smoke chamber (32) is connected with a third smoke chamber (33) positioned at the other side outside the shell (2) through a second return smoke pipe (321), and the second return smoke pipe (321) is arranged at the outer ring of the first return smoke pipe (311).

3. A heat pipe boiler according to claim 2, characterized in that: a fan (323) is arranged above the second smoke chamber (32), and a detachable dust removal box (322) is arranged below the second smoke chamber.

4. A heat pipe boiler according to claim 1, characterized in that: the flow baffle (111) inclines towards the inner wall direction of the combustion chamber (11), and the combustion chamber (11) is provided with a plurality of links.

5. A heat pipe boiler according to claim 3, wherein: the first return smoke pipe (311) and the second return smoke pipe (321) are internally coated with RLHY-2037 high-temperature-resistant anti-adhesion paint, and the dust removal box (322) is internally coated with ZS-722 anti-corrosion paint which is easy to attach.

6. A heat pipe boiler according to claim 1, characterized in that: the upper end of the shell (2) close to one side of the burner (1) is provided with a water filling port (21).

7. A heat pipe boiler according to claim 1, characterized in that: the bottom of the shell (2) close to the side of the burner (1) is provided with an inclined plane.