CN218179237U

CN218179237U - Novel boiler

Info

Publication number: CN218179237U
Application number: CN202221616218.6U
Authority: CN
Inventors: 尹训江; 杨延中; 赵丹华; 姜德峰
Original assignee: Heilongjiang Sinoeco Engineering Material Co ltd
Current assignee: Heilongjiang Sinoeco Engineering Material Co ltd
Priority date: 2022-06-27
Filing date: 2022-06-27
Publication date: 2022-12-30
Anticipated expiration: 2032-06-27

Abstract

The utility model discloses a novel boiler, including the boiler body, the upper cover is installed to boiler body upper end, and the upper cover includes interior head and outer head, and outer head threaded connection is on boiler body upper end surface, and interior head welds with the boiler body upper end, and the inner cover is installed at outer head inner chamber in the interior head, the inner chamber lower part and the combustion chamber intercommunication of interior head, and upper portion and the pipe intercommunication of discharging fume, and the radiator is installed in the boiler body outside, and the hot water inlet of radiator passes through the inlet tube and is connected with the hot water delivery port of boiler body. The utility model discloses a space that the outer head intracavity lies in between baffle below and the interior head outside forms a cold water inlet and the delivery port between the water channel for the high temperature flue gas that the boiler discharged when the upper cover with cross heat exchange between the cold water in the water channel, make the waste heat of high temperature flue gas obtain retrieving, the stop of having avoided the high temperature flue gas makes whole fuselage temperature high on the high side and causes equipment to damage easily, life shortens.

Description

Novel boiler

Technical Field

The utility model relates to a combustion boiler technical field especially relates to a novel boiler.

Background

The hot water or steam generated in the boiler can directly provide heat energy for industrial production and people life, and can also be converted into mechanical energy through a steam power device, or the mechanical energy is converted into electric energy through a generator. A boiler for supplying hot water is called a hot water boiler, and is mainly used for life and has a small amount of application in industrial production. The boiler for generating steam is called as a steam boiler, is often called as a boiler for short, and is mainly used for thermal power stations, ships, locomotives and industrial and mining enterprises.

The upper end of a boiler is generally provided with an upper end enclosure for sealing, the upper surface of the upper end enclosure is connected with a smoke exhaust pipe for exhausting, the upper end enclosure of the existing boiler is of a single-layer structure, high-temperature smoke in a combustion chamber of the boiler is exhausted outwards through the smoke exhaust pipe, and the horizontal sectional area from the combustion chamber to the smoke exhaust pipe is gradually reduced, so that the high-temperature smoke can stay in the boiler for a period of time, the temperature of the whole machine body is high, equipment is easy to damage, and the service life is shortened.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide a novel boiler with an upper end cover of a double-layer structure, which can improve the thermal efficiency of the boiler when the temperature of the whole body is reduced.

In order to achieve the above purpose, the present invention adopts the following technical solution.

The utility model provides a novel boiler, includes boiler body, the boiler body inner chamber is the combustion chamber, boiler body's furnace body upper portion is equipped with the hot water delivery port, boiler body's furnace body lower part is equipped with the water inlet, and the upper cover is installed to the boiler body upper end, the upper cover includes inner cover and outer head, outer head threaded connection is on boiler body upper end surface, inner cover and boiler body upper end welding, and the inner cover is installed at the outer cover inner chamber, the outer cover outside is connected with cold water inlet and delivery port, and has seted up first through-hole in the middle part of the upper end, the delivery port pass through the connecting pipe with the water inlet be connected, the inner chamber lower part and the combustion chamber intercommunication of inner cover, and upper portion and exhaust pipe intercommunication, the pipe that discharges fume runs through first through-hole to outer head top, the radiator is installed in the boiler body outside, be equipped with cold water delivery port and hot water inlet on the radiator, cold water delivery port pass through the outlet pipe with the cold water inlet connect, the hot water inlet pass through the inlet pipe with hot water delivery port connect, and install circulating water pump on the inlet tube.

Furthermore, the horizontal sectional area of the inner end socket is gradually reduced from bottom to top.

Furthermore, a partition board is arranged on the inner cavity of the outer sealing head, a second through hole is formed in the partition board, and the upper portion of the inner sealing head penetrates through the second through hole and is connected with the smoke exhaust pipe.

Furthermore, the horizontal sectional area between the outer sealing head and the connection part of the outer sealing head and the boiler body is equal to that between the outer sealing head and the connection part of the outer sealing head and the boiler body, and the horizontal sectional area between the outer sealing head and the first through hole is gradually reduced.

Furthermore, an inner cavity of the outer sealing head, which is positioned below the partition board, is respectively communicated with the cold water inlet and the cold water outlet, and a gap between the lower part of the partition board and the outer side of the inner sealing head in the inner cavity of the outer sealing head forms a water passing channel between the cold water inlet and the cold water outlet.

Furthermore, the maximum horizontal sectional areas of the inner sealing head and the outer sealing head are both arranged at the bottom of the inner sealing head and are not larger than the maximum horizontal sectional area of the outer sealing head.

The utility model has the advantages that: the utility model discloses a boiler passes through outer head threaded connection at boiler body upper end surface, interior head and the welding of boiler body upper end, and interior head is installed at the outer head inner chamber, make the structure of upper cover change bilayer structure into by single layer construction, and outer head inner chamber increases the baffle, make the space that the outer head inner chamber is located between baffle below and the inner head outside form a cold water inlet and the delivery port between the water channel, make the high temperature flue gas that the boiler discharged when the upper cover and the cold water in the water channel between the heat exchange, realize the preheating of boiler intake, also make the waste heat of high temperature flue gas obtain recycle, stop of having avoided the high temperature flue gas makes whole fuselage temperature high and cause equipment to damage easily, life shortens, and the preheating water that obtains flows to the water inlet of boiler lower part by the delivery port through the connecting pipe, get into the preheating water of boiler and discharge by the hot water delivery port behind the boiler heat exchange from the water inlet, circulating water sends into this hot water into the radiator and carries out the heat exchange along the radiator, the cold water inlet pipe that the heat exchange formed gets into the water channel from the inlet pipe and is utilized once more, and the heat exchange system of this high temperature heat that the boiler, thereby the whole heat exchange has obtained the heat exchange that the boiler, thereby the heat exchange that the heat exchange system that the whole heat that has increased.

Drawings

Fig. 1 is a schematic view of a structure of a boiler of the prior art.

Fig. 2 is a schematic structural diagram of the boiler of the present invention.

Fig. 3 is a top view of the upper head of the present invention.

Fig. 4 is a front sectional view of the upper head of the present invention.

In the drawings, labeled as: the boiler comprises a boiler body 1, an upper seal head 2, an inner seal head 201, an outer seal head 202, a first through hole 203, a partition plate 204, a second through hole 205, a smoke exhaust pipe 3, a radiator 4, a circulating water pump 5, a hot water outlet 6, a water inlet 7, a cold water inlet 8, a water outlet 9, a cold water outlet 10, a hot water inlet 11, a connecting pipe 12, a water outlet pipe 13, a water inlet pipe 14 and a water passing channel 15.

Detailed Description

The technical solution and the beneficial effects of the present invention will be more clear and definite by further describing the embodiments of the present invention with reference to the accompanying drawings.

As shown in fig. 1-4, a novel boiler comprises a boiler body 1, an inner cavity of the boiler body 1 is a combustion chamber, a hot water outlet 6 is arranged on the upper portion of the boiler body 1, a water inlet 7 is arranged on the lower portion of the boiler body 1, an upper end enclosure 2 is arranged at the upper end of the boiler body 1, the upper end enclosure 2 comprises an inner end enclosure 201 and an outer end enclosure 202, the outer end enclosure 202 is in threaded connection with the upper end surface of the boiler body 1, the inner end enclosure 201 is welded with the upper end of the boiler body 1, the inner end enclosure 201 is arranged in the inner cavity of the outer end enclosure 202, the outer end enclosure 202 is connected with a cold water inlet 8 and a water outlet 9, a first through hole 203 is formed in the middle of the upper end of the outer end enclosure 202, the water outlet 9 is connected with the water inlet 7 through a connecting pipe 12, the lower portion of the inner cavity of the inner end enclosure 201 is communicated with the combustion chamber, the upper portion of the inner end enclosure is communicated with a smoke exhaust pipe 3, the smoke exhaust pipe 3 penetrates through the first through hole 203 to the upper portion of the outer end enclosure 202, a radiator 4 is arranged outside the boiler body, a cold water outlet 10 and a hot water inlet pipe 14 is connected with a hot water inlet pipe 14, and a hot water circulating water inlet 5 connected with a hot water inlet pipe 14.

The horizontal sectional area of the inner seal head 201 is gradually reduced from bottom to top.

A partition plate 204 is arranged in the inner cavity of the outer seal head 202, a second through hole 205 is formed in the partition plate 204, and the upper portion of the inner seal head 201 penetrates through the second through hole 205 and is connected with the smoke exhaust pipe 3.

The horizontal sectional area of the outer seal head 202 between the lower part of the partition 204 and the connection part with the boiler body 1 is equal, and the horizontal sectional area of the outer seal head 202 between the upper part of the partition 204 and the connection part with the first through hole 203 is gradually reduced.

The inner cavity of the outer seal head 202 positioned below the partition plate 204 is respectively communicated with the cold water inlet 8 and the water outlet 9, and a water passing channel 15 between the cold water inlet 8 and the water outlet 9 is formed in the inner cavity of the outer seal head 202 between the lower part of the partition plate 204 and the outer side of the inner seal head 201.

The maximum horizontal sectional areas of the inner seal head 201 and the outer seal head 202 are both arranged at the bottoms of the inner seal head 201 and the maximum horizontal sectional area of the inner seal head 201 is not larger than the maximum horizontal sectional area of the outer seal head 202.

The working principle is as follows: during operation, high-temperature flue gas generated by a boiler combustion chamber enters an inner cavity of an inner seal head 201 of an upper seal head 2, meanwhile, cold water of a radiator 4 enters a water passing channel 15 between the lower part of a partition plate 204 and the outer side of the inner seal head 201 in an inner cavity of an outer seal head 202 through a cold water inlet 8 along a water outlet pipe 13, heat exchange is carried out between the high-temperature flue gas and the cold water, the high-temperature flue gas is cooled, the cold water is preheated, the preheated cold water, namely the preheated water, is discharged from a water outlet 9 and enters a boiler body 1 through a connecting pipe 12 along the self gravity, the preheated water exchanges heat with heat of the boiler, hot water formed by heat exchange is discharged from a hot water outlet 6, a circulating water pump 5 is started, the hot water is sent to the radiator 4 along a water inlet pipe 14 by the circulating water pump 5 for heat exchange, and the cold water formed by heat exchange enters the water passing channel 15 from the cold water inlet 8 along the water outlet pipe 13 to be reused, so that a circulating heat exchange system is formed.

In summary, the preferred embodiments of the present invention are only described, but not intended to limit the scope of the present invention, and all modifications of the equivalent structure or equivalent flow made by the present invention or directly or indirectly applied to other technical fields are also included in the scope of the present invention.

Claims

1. The novel boiler comprises a boiler body (1) and is characterized in that an inner cavity of the boiler body (1) is a combustion chamber, a hot water outlet (6) is arranged on the upper portion of a boiler body (1), a water inlet (7) is arranged on the lower portion of the boiler body (1), an upper end enclosure (2) is installed at the upper end of the boiler body (1), the upper end enclosure (2) comprises an inner end enclosure (201) and an outer end enclosure (202), the outer end enclosure (202) is in threaded connection with the upper end surface of the boiler body (1), the inner end enclosure (201) is welded with the upper end of the boiler body (1), the inner end enclosure (201) is installed in the inner cavity of the outer end enclosure (202), the outer side of the outer end enclosure (202) is connected with a cold water inlet (8) and a water outlet (9), the middle portion of the upper end of the outer end enclosure is provided with a first through hole (203), the water outlet (9) is connected with the water inlet (7) through a connecting pipe (12), the lower portion of the inner cavity of the inner end enclosure (201) is communicated with the combustion chamber, the upper portion of the smoke exhaust pipe (3) is communicated with a smoke exhaust pipe (3), the first through hole (203), the outer end enclosure (1) is connected with the radiator (4), and the radiator (11), the cold water outlet (10) is connected with the cold water inlet (8) through a water outlet pipe (13), the hot water inlet (11) is connected with the hot water outlet (6) through a water inlet pipe (14), and the water inlet pipe (14) is provided with a circulating water pump (5).

2. The novel boiler according to claim 1, characterized in that the horizontal cross-sectional area of the inner head (201) is gradually reduced from bottom to top.

3. The novel boiler according to claim 1, wherein a partition plate (204) is arranged in an inner cavity of the outer head (202), a second through hole (205) is formed in the partition plate (204), and the upper portion of the inner head (201) penetrates through the second through hole (205) and is connected with the smoke exhaust pipe (3).

4. The novel boiler according to claim 1, characterized in that the horizontal cross-sectional area of the outer head (202) is equal between the lower part of the partition (204) and the connection part with the boiler body (1), and the horizontal cross-sectional area of the outer head (202) is gradually reduced between the upper part of the partition (204) and the connection part with the first through hole (203).

5. The novel boiler according to claim 1, characterized in that the inner cavity of the outer seal head (202) below the partition plate (204) is respectively communicated with the cold water inlet (8) and the water outlet (9), and a water passing channel (15) between the cold water inlet (8) and the water outlet (9) is formed between the inner cavity of the outer seal head (202) below the partition plate (204) and the outer side of the inner seal head (201).

6. The novel boiler according to claim 1, characterized in that the maximum horizontal cross-sectional area of the inner head (201) and the maximum horizontal cross-sectional area of the outer head (202) are both arranged at the bottom of the inner head (201), and the maximum horizontal cross-sectional area of the inner head (201) is not larger than the maximum horizontal cross-sectional area of the outer head (202).