CN116447749A

CN116447749A - Vertical hot water heating device

Info

Publication number: CN116447749A
Application number: CN202310646380.5A
Authority: CN
Inventors: 范定军; 陈杰; 王洪海; 文维民
Original assignee: Cssc Jiujiang Boiler Co ltd
Current assignee: Cssc Jiujiang Boiler Co ltd
Priority date: 2023-06-02
Filing date: 2023-06-02
Publication date: 2023-07-18

Abstract

The invention is suitable for the technical field of marine heat energy equipment, and provides a vertical hot water heating device which comprises a base, an outer cylinder body arranged on the base, a hearth component arranged in the outer cylinder body, a smoke tube, a heat exchange coil and an upper smoke chamber, wherein a chimney is arranged at the upper end of the upper smoke chamber; the hearth component, the smoke pipe and the upper smoke chamber are sequentially communicated from bottom to top; the heat exchange disc is sleeved outside the smoke tube, and two ends of the heat exchange disc penetrate through the outer cylinder body to the outside; the outer cylinder is provided with a water inlet main pipe and a water outlet main pipe; the water inlet main pipe is positioned below the water outlet main pipe, and the principle of low inlet and high outlet is adopted; the hearth component is arranged at the lower part of the outer cylinder body, and the device forms a small vertical hot water heating device through the combination of the base, the outer cylinder body, the hearth component, the smoke pipe, the heat exchange coil, the smoke feeding chamber, the chimney and the burner mounting pipe.

Description

Vertical hot water heating device

Technical Field

The invention relates to the technical field of marine heat energy equipment, in particular to a vertical hot water heating device.

Background

The existing marine heating and domestic hot water generally adopts a hot water boiler or an electric heating boiler, wherein the hot water boiler is generally large in size, the limited space on the ship is occupied, and the safety coefficient of the electric heating boiler is relatively low. At present, a main stream on a ship adopts a hot water boiler for heating, and the existing hot water boiler has the following defects:

1. the hot water boiler has the problems of large drum, large water volume and heavy whole weight.

2. The hot water boiler has large volume, large steel consumption, large occupied area and high construction cost.

3. The multifunctional heating device has simple functions and can not completely meet the multifunctional requirements of heating, domestic water and the like on ships.

4. The heating surface of the boiler is inconvenient to maintain.

Therefore, it is necessary to design a small-sized vertical hot water heating device which has simple structure, is convenient and practical and is convenient to maintain.

Disclosure of Invention

Aiming at the defects existing in the prior art, the invention aims to provide a small vertical hot water heating device which is formed by combining a base, an outer cylinder, a hearth component, a smoke pipe, a heat exchange coil, an upper smoke chamber, a chimney and a burner mounting pipe.

In order to achieve the above purpose, the present invention provides the following technical solutions:

the vertical hot water heating device comprises a base, an outer cylinder body arranged on the base, a hearth component arranged in the outer cylinder body, a smoke tube, a heat exchange coil and an upper smoke chamber, wherein a chimney is arranged at the upper end of the upper smoke chamber; the hearth component, the smoke pipe and the upper smoke chamber are sequentially communicated from bottom to top; the heat exchange disc is sleeved outside the smoke tube, and two ends of the heat exchange disc penetrate through the outer cylinder body to the outside; the outer cylinder body is provided with a water inlet main pipe and a water outlet main pipe; the water inlet main pipe is positioned below the water outlet main pipe, and the principle of low inlet and high outlet is adopted; the hearth assembly is arranged at the lower part of the outer cylinder body.

The invention is further arranged that the hearth assembly comprises a lower tube plate, a hearth barrel, a hearth plate and a burner mounting tube, so as to form a flue gas side space; and a high-temperature refractory material is paved inside the hearth component.

The invention is further arranged that the outer cylinder body is connected with the upper smoke chamber through a top plate in a welding way; the outer cylinder body is connected with the hearth component through a bottom plate in a welding way; the upper part of the hearth component is welded with a plurality of smoke pipes; the smoke pipe is welded with the upper smoke chamber; the outer cylinder body, the top plate, the bottom plate, the upper smoke chamber, the smoke pipe and the hearth component are welded to form a water side space; the water inlet main pipe and the water outlet main pipe are both positioned on the water side of the boiler.

The invention further provides that the smoke tube is internally provided with a spoiler.

The invention further provides that the upper smoke chamber comprises an upper coaming and an upper tube plate, the upper smoke chamber is a smoke discharge channel, and smoke waste heat is reused.

The invention is further arranged that the heat exchange coil comprises a heating water inlet pipe joint, a water cooling wall spiral coil and a water outlet pipe joint, and forms a water-water heat exchange assembly.

The invention is further arranged that the outer cylinder body also comprises a safety valve connecting pipe, a pressure gauge interface, a temperature sensor interface and an exhaust valve connecting pipe; the safety valve connecting pipe is arranged at the upper part of the water outlet pipe; the safety valve connecting pipe is provided with a safety valve; the heating water inlet pipe joint is provided with a first stop valve; the water inlet main pipe is provided with a water inlet valve; the water outlet pipe joint is provided with a second stop valve; the water outlet main pipe is provided with a water outlet valve; the pressure gauge interface is provided with a pressure gauge component; the temperature sensor interface is provided with a temperature sensor; the exhaust valve connecting pipe is provided with an exhaust valve, and a block valve for blocking is arranged in the middle of the exhaust valve connecting pipe.

The invention is further arranged that the burner is mounted on the burner mounting tube.

The invention is further arranged that the outer cylinder body, the hearth component, the smoke pipe and the upper smoke chamber form a high-temperature water side component.

The invention is further arranged that the water-cooled wall spiral coil, the heating water inlet pipe joint and the water outlet pipe joint of the heat exchange coil form a domestic water assembly.

The invention has the advantages that:

1. the combination of the base, the outer cylinder, the hearth component, the smoke pipe, the heat exchange coil, the upper smoke chamber, the chimney and the burner mounting pipe forms a small vertical hot water heating device, the water volume is small, and the explosion risk is low.

2. The smoke tube is internally provided with the spoiler, so that the heat transfer effect is good, the heating surface component is convenient to clean, and the service life of the heating device is prolonged.

3. The heat exchange coil is arranged in the hot water high-temperature area at the upper part of the water side space in the outer cylinder body, so that multiple functions can be realized, and the energy-saving and environment-friendly effects are realized.

4. The invention adopts a water-water heat exchange mode, has large relative temperature difference coefficient, high heat exchange coefficient, high efficiency, small area of a heating surface and compact structure, can reduce the exhaust gas temperature to the minimum according to the inlet water temperature due to countercurrent heat exchange, and has high heat energy utilization rate.

Drawings

FIG. 1 is a schematic view showing a sectional structure of a vertical hot water heating apparatus according to the present invention.

Fig. 2 is a schematic view showing a semi-sectional structure of the vertical hot water heating apparatus of the present invention.

FIG. 3 is a schematic view of a spoiler and a mounting structure thereof according to the present invention.

In the figure: 1. a base; 2. an outer cylinder; 3. a furnace assembly; 4. a smoke tube; 5. a heat exchange coil; 6. a smoke feeding chamber; 7. a chimney; 8. a burner mounting tube; 9. a spoiler; 11. a water inlet main pipe; 12. a water outlet main pipe; 21. a top plate; 22. a bottom plate; 31. a lower tube sheet; 32. a hearth cylinder; 33. a furnace floor; 51. heating the water inlet pipe joint; 52. a water outlet pipe joint; 61. an upper coaming; 62. an upper tube sheet; 101. a safety valve; 102. a first stop valve; 103. a water inlet valve; 104. a second shut-off valve; 105. a water outlet valve; 106. a burner; 107. a pressure gauge assembly; 108. a temperature sensor; 109. and (5) exhausting the valve.

Detailed Description

It should be noted that, without conflict, the embodiments and features of the embodiments in the present application may be combined with each other. The invention will be described in detail below with reference to the drawings in connection with embodiments.

It is noted that all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs unless otherwise indicated.

In the present invention, unless otherwise indicated, the terms "upper" and "lower" are used generally with respect to the directions shown in the drawings, or with respect to the vertical, vertical or gravitational directions; also, for ease of understanding and description, "left, right" is generally directed to the left, right as shown in the drawings; "inner and outer" refer to inner and outer relative to the outline of the components themselves, but the above-described orientation terms are not intended to limit the present invention.

Example 1

Referring to fig. 1-3, the present invention provides the following technical solutions:

specifically, the embodiment is a vertical hot water heating device, which comprises a base 1, an outer cylinder body 2 arranged on the base 1, a hearth component 3 arranged in the outer cylinder body 2, a smoke tube 4, a heat exchange coil 5 and an upper smoke chamber 6, wherein a chimney 7 is arranged at the upper end of the upper smoke chamber 6. The outer cylinder 2 is provided with a water inlet main pipe 11 and a water outlet main pipe 12; the water inlet main pipe 11 is positioned below the water outlet main pipe 12, and adopts the principle of low inlet and high outlet; the hearth component 3 is arranged at the lower part of the outer cylinder body 2 and a high-temperature refractory material is paved in the hearth component 3, and a plurality of smoke pipes 4 are welded at the upper part of the hearth component 3; the smoke tube 4 is welded with the upper smoke chamber 6. The heat exchange coil 5 is arranged at the water side and sleeved outside the smoke tube 4. The outer cylinder 2 is welded and connected with the upper smoke chamber 6 through a top plate 21; the outer cylinder body 2 is welded with the hearth component 3 through a bottom plate 22; the outer cylinder body 2, the top plate 21, the bottom plate 22, the upper smoke chamber 6, the smoke pipe 4 and the hearth component 3 are welded to form a water side space; the water inlet header 11 and the water outlet header 12 are both positioned on the water side of the boiler.

The hearth component 3 is composed of a lower tube plate 31, a hearth barrel 32, a furnace bottom plate 33 and a burner mounting tube 8, a flue gas side space is formed, the burner burns and transfers heat to a water space outside the hearth barrel in a radiation mode, the maximum heat exchange temperature difference and heat exchange coefficient of the hot water heating device are guaranteed, and a high-temperature refractory material is paved at the lower part of the hearth to play a role of heat resistance and heat insulation, so that heat energy is fully utilized.

The smoke pipe 4 is a smoke flow channel, and high-temperature smoke generated after the combustion of the burner transmits heat to a water space outside the smoke pipe 4 in a convection mode; a spoiler 9 is arranged in each smoke tube 4; the material of the spoiler 9 is a heat-resistant stainless steel plate, and the spoiler 9 is a plate-shaped heat transfer element; the baffle plates are symmetrically folded into 90 DEG baffle plates from left to right after the grooves are formed in the spoiler 9, and after the smoke enters the smoke tube 4, the baffle plates block the smoke to change the flow direction, and the smoke flows along the axis in an S shape. The flow speed of the flue gas is reduced, and the heat transfer effect is enhanced; when the spoiler needs to be cleaned, the spoiler can be directly pulled out of the smoke tube to be cleaned after the bolt on the chimney 7 is loosened to move the chimney, and other equipment is not required to be added.

Wherein the upper smoke chamber 6 consists of an upper coaming 61 and an upper tube plate 62; the upper smoke chamber 6 is a smoke discharge channel, smoke waste heat is reused, and the heat efficiency of the hot water heating device is improved.

Wherein the heat exchange coil 5 is a stainless steel heat exchange device for domestic water; the heat exchange coil 5 is a water-water heat exchange assembly formed by a heating water inlet pipe joint 51, a water-cooled wall spiral coil and a water outlet pipe joint 52, and clean water in the heat exchange coil is exchanged into domestic water meeting the requirement by high-temperature water in a water side space; the heat exchange coil pipe 5 is arranged in the water side space and sleeved outside the smoke pipe 4; the heat exchange coil 5 is arranged in a hot water high temperature area at the upper part of the water side space, clean water enters from the heating water inlet pipe joint 51 and is discharged from the water outlet pipe joint 52, and domestic water enters and exits by adopting a principle of high inlet and low outlet, which is opposite to a principle of low inlet and high outlet of high temperature water in the water side space, so that reverse flow is formed, the relative temperature difference coefficient is large, and the heat exchange coefficient is high.

The outer cylinder body 2 further comprises a safety valve connecting pipe, a pressure gauge interface, a temperature sensor interface and an exhaust valve connecting pipe; the safety valve connecting pipe is arranged at the upper part of the water outlet pipe; the safety valve connecting pipe is provided with a safety valve 101; the heating water inlet pipe joint 51 is provided with a first stop valve 102; the water inlet valve 103 is arranged on the water inlet main pipe 11; the water outlet pipe joint 52 is provided with a second stop valve 104; the water outlet main pipe 12 is provided with a water outlet valve 105; the pressure gauge interface is provided with a pressure gauge assembly 107; the temperature sensor interface is provided with a temperature sensor 108; the exhaust valve 109 is arranged on the exhaust valve connecting pipe, and a block valve for blocking is arranged in the middle of the exhaust valve 109.

The burner 106 is installed on the burner installation pipe 8, the burner 106 is a main device for heating the water side space, the generated heat is combusted in the hearth assembly 3 and indirectly transferred to the water of the water side space in a radiation, convection and conduction mode, and low-temperature flue gas is discharged from a flue opening F of the chimney 7.

Wherein, the outer cylinder body 2, the hearth component 3, the smoke tube 4 and the upper smoke chamber 6 form a high-temperature water side component.

Wherein, the water-cooled wall spiral coil of the heat exchange coil 5, the heating water inlet pipe joint 51 and the water outlet pipe joint 52 form a domestic water component.

The hot water heating device has small water volume and low explosion risk; the turbulence plate 9 is arranged in the smoke tube 4, so that the heat transfer effect is good, the heating surface component is convenient to clean, and the service life of the hot water heating device is prolonged; the heat exchange coil 5 is arranged in the hot water high temperature area at the upper part of the water side space in the outer cylinder body 2, so that multiple functions can be realized, and the effects of energy conservation and environmental protection are achieved; the water-water heat exchange mode is adopted, the relative temperature difference coefficient is large, the heat exchange coefficient is high, the efficiency is high, the area of a heated surface is small, the structure is compact, the total weight of the body is not more than 360kg, the total weight is not more than 597kg, the total steel consumption is not more than 500kg, the occupied area is about 1 square meter, meanwhile, the exhaust gas temperature can be reduced to the minimum according to the inlet water temperature due to the countercurrent heat exchange of water and water, and the heat energy utilization rate is high.

It will be apparent that the embodiments described above are merely some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the present application described herein may be implemented in sequences other than those illustrated or described herein.

The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above examples, and all technical solutions belonging to the concept of the present invention belong to the protection scope of the present invention. It should be noted that modifications and adaptations to the present invention may occur to one skilled in the art without departing from the principles of the present invention and are intended to be within the scope of the present invention.

Claims

1. A vertical hot water heating device, characterized in that:

the flue gas treatment device comprises a base (1), an outer cylinder body (2) arranged on the base (1), a hearth component (3) arranged in the outer cylinder body (2), a flue pipe (4), a heat exchange coil (5) and an upper flue chamber (6), wherein a chimney (7) is arranged at the upper end of the upper flue chamber (6); the hearth assembly (3), the smoke tube (4) and the upper smoke chamber (6) are sequentially communicated from bottom to top; the heat exchange coil (5) is sleeved outside the smoke tube (4), and two ends of the heat exchange coil penetrate through the outer cylinder (2) to the outside;

a water inlet main pipe (11) and a water outlet main pipe (12) are arranged on the outer cylinder body (2); the water inlet main pipe (11) is positioned below the water outlet main pipe (12), and adopts the principle of low inlet and high outlet; the hearth assembly (3) is arranged at the lower part of the outer cylinder body (2).

2. A vertical hot water heating apparatus according to claim 1, wherein: the hearth assembly (3) comprises a lower tube plate (31), a hearth barrel (32), a hearth plate (33) and a combustor mounting tube (8) to form a flue gas side space; and a high-temperature refractory material is paved inside the hearth assembly (3).

3. A vertical hot water heating apparatus according to claim 1, wherein: the outer cylinder body (2) is connected with the upper smoke chamber (6) through a top plate (21) in a welding way; the outer cylinder body (2) is connected with the hearth component (3) through a bottom plate (22) in a welding way; the upper part of the hearth assembly (3) is welded with a plurality of smoke pipes (4); the smoke tube (4) is welded with the upper smoke chamber (6); the outer cylinder body (2) is welded with the top plate (21), the bottom plate (22), the upper smoke chamber (6), the smoke pipe (4) and the hearth component (3) to form a water side space; the water inlet main pipe (11) and the water outlet main pipe (12) are both positioned on the water side of the boiler.

4. A vertical hot water heating apparatus according to claim 1, wherein: a spoiler (9) is arranged in the smoke tube (4).

5. A vertical hot water heating apparatus according to claim 1, wherein: the upper smoke chamber (6) comprises an upper coaming (61) and an upper tube plate (62), the upper smoke chamber (6) is a smoke discharge channel, and smoke waste heat is reused.

6. A vertical hot water heating apparatus according to claim 1, wherein: the heat exchange coil (5) comprises a heating water inlet pipe joint (51), a water cooling wall spiral coil and a water outlet pipe joint (52), and forms a water-water heat exchange assembly.

7. A vertical hot water heating apparatus according to claim 6, wherein: the outer cylinder body (2) further comprises a safety valve connecting pipe, a pressure gauge interface, a temperature sensor interface and an exhaust valve connecting pipe; the safety valve connecting pipe is arranged at the upper part of the water outlet pipe; the safety valve connecting pipe is provided with a safety valve (101); the heating water inlet pipe joint (51) is provided with a first stop valve (102); a water inlet valve (103) is arranged on the water inlet header pipe (11); the water outlet pipe joint (52) is provided with a second stop valve (104); a water outlet valve (105) is arranged on the water outlet main pipe (12); the pressure gauge interface is provided with a pressure gauge assembly (107); a temperature sensor (108) is arranged on the temperature sensor interface; the exhaust valve connecting pipe is provided with an exhaust valve (109), and a block valve for blocking is arranged in the middle of the exhaust valve connecting pipe.

8. A vertical hot water heating apparatus according to claim 1, wherein: a burner (106) is arranged on the burner mounting pipe (8).

9. A vertical hot water heating apparatus according to any one of claims 1 to 8, wherein: the outer cylinder body (2), the hearth component (3), the smoke tube (4) and the upper smoke chamber (6) form a high-temperature water side component.

10. A vertical hot water heating apparatus according to claim 6, wherein: the water cooling wall spiral coil, the heating water inlet pipe joint (51) and the water outlet pipe joint (52) of the heat exchange coil (5) form a domestic water assembly.