CN218469299U

CN218469299U - Seawater type low-nitrogen condensation integrated normal-pressure hot water boiler

Info

Publication number: CN218469299U
Application number: CN202222829080.4U
Authority: CN
Inventors: 蒋云鹏; 蒋云龙
Original assignee: Shandong Luren Thermal Equipment Co ltd
Current assignee: Shandong Luren Thermal Equipment Co ltd
Priority date: 2022-10-26
Filing date: 2022-10-26
Publication date: 2023-02-10
Anticipated expiration: 2032-10-26

Abstract

The utility model relates to the technical field of mold, and disclose integrative ordinary pressure hot water boiler of low nitrogen condensation of extra large water type, including boiler body and combustion chamber, the boiler body top is provided with the combustion chamber, six outer walls of combustion chamber comprise the furnace wall, the top of combustion chamber is provided with the heat preservation refractory slab, combustion chamber one side is provided with the combustor flange, and this combustor flange is used for being connected with the external equipment combustor. The heat exchange tubes of the utility model are sequentially arranged from top to bottom, so that the size of the boiler is reduced, the volume of the boiler is reduced, and the water capacity of the baffling chamber is enlarged; the novel seawater boiler does not need to be provided with a fresh water circulating system and an intermediate heat exchanger, and reduces equipment investment and power load.

Description

Seawater type low-nitrogen condensation integrated normal-pressure hot water boiler

Technical Field

The utility model relates to the technical field of boilers, specifically be integrative ordinary pressure hot water boiler of low nitrogen condensation of sea water type.

Background

The boiler is a special heat supply industry such as a mariculture industry, a chemical liquid raw material heating industry and the like, the existing hot water boiler transfers heat between the existing product boiler and the heat exchanger in a fresh water circulation mode, and absorbs heat between the heat exchanger and the culture pond in a seawater circulation mode.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a solved current equipment and needed a plurality of steps heating sea water, caused bulky, problem that heat conversion efficiency is low.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: integrative ordinary pressure hot water boiler of low nitrogen condensation of sea water type, including boiler body and combustion chamber, the boiler body top is provided with the combustion chamber, is shown as the right side view of this patent as figure 1, six outer walls of combustion chamber comprise the furnace wall, the top of combustion chamber is provided with the heat preservation refractory slab, combustion chamber one side is provided with the combustor flange, and this combustor flange is used for being connected with external equipment combustor, the combustion chamber opposite side is provided with the outlet pipe seat, combustion chamber lower extreme boiler body is inside to be equipped with the baffling room, be provided with the heat exchange tube in the baffling room, boiler body bottom side is provided with the chimney, the other side in boiler body bottom sets up the return water pipe seat of being connected with external water supply equipment, and when the combustion chamber burning in the boiler, cold water gets into boiler body by the return water pipe seat, through heat exchange tube and baffling room, water is upwards "Z" the type by the bottom rises, makes water and heat exchange tube abundant heat exchange layer upwards, and the temperature risees gradually, flows out by the outlet pipe seat at last, supplies with the heat demand equipment.

Furthermore, the heat exchange tube is composed of a plurality of pipelines and a supporting smoke tube, two ends of each pipeline are fixed in the supporting smoke tube, the pipeline is made of high-thermal-conductivity alloy tubes, heat conduction fins are arranged on the inner wall and the outer wall of each heat exchange tube, heat conduction surfaces are increased through the heat conduction fins, and water forms a rotational flow type.

Further, the heat conduction fin is the inclined plate form, rotates around the heat exchange tube outer wall and extends to the pipeline end, the heat conduction fin rotates around the heat exchange tube inner wall and extends to the pipeline end.

Furthermore, the heat-insulating refractory slab comprises a slab body and cavities which are uniformly and independently distributed in the slab body, wherein the slab body is formed by hardening refractory cement paste.

Further, the combustor flange is provided with an outer end wall, the outer end wall is provided with a threaded hole, and the combustor flange is connected with an external combustor for heat transfer.

Further, a gap is arranged between the interior of the baffling chamber and the heat exchange tube, and the gap is used for water flow to pass through.

Further, the top end of the heat exchange tube is connected with the flue, the bottom end of the heat exchange tube is connected with the smoke chamber and used for guiding smoke, and a chimney is arranged on one side of the smoke chamber and used for discharging the smoke.

Further, the return water pipe seat is used for being connected with external water inlet equipment and is used for water inlet.

Compared with the prior art, the method has the advantages that,

1. the heat exchange tubes of the utility model are sequentially arranged from top to bottom, so that the size of the boiler is reduced, the volume of the boiler is reduced, the water capacity of the baffling chamber is enlarged, the boiler adopts a reverse heat exchange mode, water is fed from the bottom end, the water is heated through the hearth wall, and meanwhile, the water is heated through the heat exchange tubes, so that the heat exchange efficiency is improved, and the water outlet speed is accelerated; the novel seawater boiler does not need to be provided with a fresh water circulating system and an intermediate heat exchanger, and reduces equipment investment and power load.

Drawings

FIG. 1 is a schematic view showing the structure of an embodiment of a seawater type low-nitrogen condensing integrated atmospheric hot water boiler according to the present invention;

FIG. 2 is a front view of an embodiment of the seawater type low nitrogen condensing integrated atmospheric hot water boiler of the present invention;

FIG. 3 is a schematic view of the heat exchange tubes of an embodiment of the seawater type low-nitrogen condensing integrated atmospheric pressure hot water boiler of the present invention;

wherein: the boiler comprises a boiler body 1, a combustion chamber 2, a hearth wall 3, a heat-preservation fire-resistant plate 4, a combustor flange 5, a water outlet pipe seat 6, a baffling chamber 7, a chimney 8, a water return pipe seat 9, a heat exchange pipe 10, a heat conduction fin 11, a plate body 41, cement paste 42, an outer end wall 51, a threaded hole 52, a gap 71, a supporting smoke pipe 13, a smoke inlet 14 and a smoke outlet 15.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The first embodiment is a seawater type low-nitrogen condensation integrated normal-pressure hot water boiler, which comprises a boiler body 1 and a combustion chamber 2, wherein the top end of the boiler body 1 is provided with the combustion chamber 2, as shown in fig. 1, the right view of the boiler is shown, six outer walls of the combustion chamber 2 are composed of hearth walls 3, the top end of the combustion chamber 2 is provided with a heat preservation refractory plate 4, one side of the combustion chamber 2 is provided with a burner flange 5, the burner flange 5 is used for being connected with a burner of an external device, the other side of the combustion chamber 2 is provided with a water outlet pipe seat 6, the lower end of the combustion chamber 2 is internally provided with a baffling chamber 7 inside the boiler body 1, a heat exchange pipe 10 is arranged in the baffling chamber 7, the side of the bottom of the boiler body 1 is provided with a chimney 8, the other side of the bottom of the boiler body 1 is provided with a water return pipe seat 9 connected with an external water supply device, when the combustion chamber 2 in the boiler, cold water enters the boiler body 1 from the return pipe seat 9, passes through the heat exchange pipe 10 and the baffling chamber 7, the water rises from the bottom in a Z shape upwards, so that the water and the heat exchange pipe seat 10 is fully exchanged with the heat exchange pipe seat, the water, the heat exchange pipe seat upwards, the water gradually rises layer by layer, and the water flows out 6, and finally is supplied to the heat supply device.

The heat exchange tube 10 is composed of a plurality of pipelines and a supporting smoke tube 13, the supporting smoke tube is fixed at the top end of the smoke chamber, two ends of each pipeline are fixed in the supporting smoke tube, the pipeline is made of high-thermal-conductivity alloy tubes, heat conduction fins 11 are arranged on the inner wall and the outer wall of the heat exchange tube 10, heat conduction surfaces are increased through the heat conduction fins 11, and water forms a rotational flow type.

The heat conduction fins 11 are in an inclined sheet shape and extend to the tail end of the pipeline in a rotating mode around the outer wall of the heat exchange tube 10, and the heat conduction fins 11 extend to the tail end of the pipeline in a rotating mode around the inner wall of the heat exchange tube 10.

The heat-insulating refractory plate 4 comprises a plate body 41 and cavities which are uniformly and independently distributed in the plate body 41, wherein the plate body 41 is formed by hardening cement paste 42.

The combustor flange 5 is provided with an outer end wall 51, the outer end wall 51 is provided with a threaded hole 52, and the combustor flange 5 is connected with an external combustor for heat transfer.

A gap 71 is arranged between the inside of the baffling chamber 7 and the heat exchange tube 10, and the gap 71 is used for passing water flow.

The pipeline at the top end of the heat exchange pipe 10 is provided with a smoke inlet 14, the smoke inlet 14 is connected with a flue, the pipeline at the bottom end of the heat exchange pipe 10 is provided with a smoke outlet 15, the smoke outlet 15 and a smoke chamber,

2 bottoms in combustion chamber are provided with the flue, heat exchange tube 10 top is connected with the flue, heat exchange tube 10 bottom is connected with the smoke chamber, the smoke chamber is the square structure for the guide flue gas heats heat exchange tube 10 through high temperature flue gas, then heat exchange tube 10 gives the inside aquatic products of baffling room 7 and heats, smoke chamber one side is provided with chimney 8 and is used for the exhaust flue gas. The smoke chamber is not communicated with the baffling chamber 7, and the return water pipe seat 9 is used for being connected with external water inlet equipment for water inlet.

The working principle is as follows:

when the boiler is combusted in the combustion chamber 2, cold water enters the baffling chamber 7 in the boiler body 1 from the water return pipe seat 9, passes through the heat exchange pipe 10, rises in a Z shape from the bottom, enables the water to fully exchange heat with the heat exchange pipe 10, and gradually rises layer by layer, and finally flows out from the water outlet pipe seat 6 to be supplied to heat-requiring equipment.

The high-temperature flue gas flows downwards in the heat exchange tube 10 in a baffling manner, so that high-energy molecules in the flue gas fully collide with the wall of the heat exchange tube 10, and the heat transfer quantity is increased; the flue gas flows from top to bottom and is collected in a bottom flue chamber, and the low-temperature flue gas is discharged out of the boiler through a chimney 8.

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

Claims

1. Integrative ordinary pressure hot water boiler of low nitrogen condensation of sea water type, including boiler body and combustion chamber, the boiler body top is provided with the combustion chamber, six outer walls of combustion chamber comprise the furnace wall, the top of combustion chamber is provided with the heat preservation refractory slab, combustion chamber one side is provided with the combustor flange, and this combustor flange is used for being connected with the external equipment combustor, the combustion chamber opposite side is provided with the outlet pipe seat, the inside baffling room that is equipped with of combustion chamber lower extreme boiler body, be provided with the heat exchange tube in the baffling room, boiler body bottom side is provided with the chimney, the other side in boiler body bottom sets up the return water tube seat of being connected with external water supply equipment, and when the combustion chamber burning in the boiler, cold water gets into the internal heat exchange tube of boiler and baffling room by the return water tube seat, and water rises by the upwards "Z" type "bottom, makes water and heat exchange tube seat abundant heat transfer, and the successive layer upwards, and the temperature risees gradually, flows out at last by the play water, supplies to the equipment that needs heat.

2. The seawater type low-nitrogen condensation integrated atmospheric pressure hot water boiler according to claim 1, wherein the heat exchange tube is composed of a plurality of tubes and a supporting smoke tube, both ends of the tubes are fixed in the supporting smoke tube, the tubes are made of high thermal conductivity alloy tubes, and the inner wall and the outer wall of the heat exchange tube are provided with heat conduction fins, so that the heat conduction surface is increased by the heat conduction fins and the water forms a rotational flow.

3. The seawater type low-nitrogen condensation integrated atmospheric pressure hot water boiler according to claim 2, wherein the heat transfer fin is in a slanted plate shape and extends to the end of the pipe by rotating around the outer wall of the heat exchange pipe, and the heat transfer fin extends to the end of the pipe by rotating around the inner wall of the heat exchange pipe.

4. The seawater type low-nitrogen condensation integrated atmospheric pressure hot water boiler according to claim 1, wherein the heat-insulating fire-resistant plate comprises a plate body and cavities uniformly and independently distributed in the plate body, and the plate body is formed by hardening fire-resistant cement paste.

5. A seawater type low nitrogen condensation integrated atmospheric pressure hot water boiler as claimed in claim 1, wherein said burner flange is provided with an outer end wall, said outer end wall is provided with a threaded hole, said burner flange is connected with an external burner for heat transfer.

6. A seawater type low nitrogen condensation integrated atmospheric pressure hot water boiler as claimed in claim 1, wherein a gap is provided between the inside of said baffle chamber and the heat exchange tube, said gap being for passing water flow.

7. The seawater type low-nitrogen condensation integrated normal-pressure hot water boiler as claimed in claim 1, wherein the top end of the heat exchange tube is connected with a flue, the bottom end of the heat exchange tube is connected with a smoke chamber, the smoke chamber is of a square structure and is used for guiding smoke, and a chimney is arranged on one side of the smoke chamber and is used for discharging the smoke.

8. The seawater type low-nitrogen condensation integrated atmospheric pressure hot water boiler according to claim 1, wherein the return water pipe base is used for connecting with an external water inlet device for water inlet.