CN211289996U

CN211289996U - Three-pass gas condensation steam boiler

Info

Publication number: CN211289996U
Application number: CN201921895605.6U
Authority: CN
Inventors: 李书文
Original assignee: Shanxi Tianjun Boiler Equipment Manufacturing Co ltd
Current assignee: Shanxi Tianjun Boiler Equipment Manufacturing Co ltd
Priority date: 2019-11-05
Filing date: 2019-11-05
Publication date: 2020-08-18
Anticipated expiration: 2029-11-05

Abstract

The utility model relates to the technical field of steam boilers, in particular to a three-pass gas condensation steam boiler, which comprises a base, wherein a boiler is fixed at the top end of the base, a first shell is fixed at the bottom end of the inner side of the boiler, a burner pipe is inserted in the side surface of the boiler relative to the first shell, one end of the burner pipe is inserted in the first shell, a spiral pipe is arranged in the boiler, the first shell is communicated with one end of the spiral pipe through a heat conduction pipeline, a second shell is fixedly connected at the top end of the boiler, the other end of the spiral pipe is communicated with the second shell, a plurality of clapboards are fixedly connected in the second shell, the flue of the second shell is S-shaped through the clapboards, a connecting pipe is communicated with the top end of the boiler, a box body is arranged at the top end of the boiler, one end of the box body, which is far away from the guide pipe, is provided with a smoke exhaust pipe. The utility model discloses simple structure is worth promoting.

Description

Three-pass gas condensation steam boiler

Technical Field

The utility model relates to a steam boiler technical field especially relates to a three return stroke gas condensation steam boilers.

Background

The gas condensation steam boiler is a gas steam boiler, most of the existing steam boilers are of a two-pass structure, and the steam boilers of the two-pass structure have the problem that heat cannot be fully utilized, namely the stay time of high-temperature flue gas in the boiler is short, so that the temperature of the discharged flue gas is too high, the heat exchange efficiency is low, and the energy conservation and the environmental protection are not facilitated.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the steam boiler in the prior art has the defect that the heat cannot be fully utilized, and providing a three-pass gas condensation steam boiler.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a boiler with three-pass gas condensation is designed, and comprises a base, wherein a boiler is fixed at the top end of the base, a first shell is fixed at the bottom end of the inner side of the boiler, a burner tube is inserted into the side surface of the boiler relative to the first shell, one end of the burner tube is inserted into the first shell, a spiral tube is placed in the boiler, the first shell is communicated with one end of the spiral tube through a heat conduction pipeline, a second shell is fixedly connected to the top end of the boiler, the other end of the spiral tube is communicated with the second shell, a plurality of partition plates are fixedly connected in the second shell, a flue of the second shell is S-shaped due to the plurality of partition plates, a connecting pipe is communicated with the top end of the boiler, a box body is placed at the top end of the boiler, a guide pipe is communicated with one side of the box, the condenser is installed to the box inboard, the one end that the pipe was kept away from to the box is equipped with the pipe of discharging fume.

Preferably, the supporting net has been placed on the connecting pipe top, the activated carbon layer has been placed on the supporting net top, the fixed network has been placed to one side that the supporting net was kept away from on the activated carbon layer, be closely cooperating between fixed network and the pipe inside wall, be clearance fit between supporting net and the pipe inside wall.

Preferably, a plurality of heat conduction fins are fixedly connected to the outer side of the second shell.

Preferably, the box body comprises a cover body and a cavity, one end of the cover body is inserted into the inner side of the cavity, and the part of the cover body inserted into the cavity is tightly matched with the cavity.

The utility model provides a pair of three return stroke gas condensation steam boiler, beneficial effect lies in:

the utility model discloses a set up spiral pipe, second casing, a plurality of baffle for the high temperature flue gas stops longer time in the boiler is inside, thereby can make the abundant heat exchange that carries on of heat in the high temperature flue gas and the water in the boiler, locate fixedly connected with lug at the connecting pipe, can play the hindrance effect to the flow of flue gas.

Drawings

Fig. 1 is a schematic structural view of a three-pass gas condensation steam boiler provided by the present invention;

FIG. 2 is a side view of a three-pass gas condensing steam boiler according to the present invention;

fig. 3 is a partial enlarged view of fig. 1 at a.

In the figure: the device comprises a base 1, a boiler 2, a burner tube 3, a first shell 4, a spiral tube 5, a heat conduction fin 6, a second shell 7, a partition plate 8, a condenser 9, a box body 10, a cover body 101, a cavity 102, a smoke exhaust pipe 11, a support net 12, a connecting pipe 13, a bump 14, a guide pipe 15, a fixing net 16 and an activated carbon layer 17.

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.

Example one

Referring to fig. 1-3, a three-pass gas condensation steam boiler comprises a base 1, a boiler 2 is fixed at the top end of the base 1, a first shell 4 is fixed at the bottom end of the inner side of the boiler 2, a burner tube 3 is inserted into the side surface of the boiler 2 opposite to the first shell 4, the burner tube 3 is externally connected with a burner, the burner tube 3 is used for introducing high-temperature flue gas in the burner into the first shell 4, one end of the burner tube 3 is inserted into the first shell 4, a spiral tube 5 is placed in the boiler 2, the first shell 4 is communicated with one end of the spiral tube 5 through a heat conduction pipeline, the top end of the boiler 2 is fixedly connected with a second shell 7, the other end of the spiral tube 5 is communicated with the second shell 7, a plurality of partition plates 8 are fixedly connected in the second shell 7, the flue of the second shell 7 is S-shaped due to the plurality of partition plates 8, a guide pipe 15 is communicated with one side of the box body 10, opposite to the connecting pipe 13, the guide pipe 15 is sleeved outside the connecting pipe 13, a plurality of convex blocks 14 are fixedly connected to the inner side wall of the connecting pipe 13, a condenser 9 is installed on the inner side of the box body 10, and a smoke exhaust pipe 11 is arranged at one end, far away from the guide pipe 15, of the box body 10.

A plurality of heat conducting fins 6 are fixedly connected to the outer side of the second shell 7.

Example two

Referring to fig. 1, 3, as the utility model discloses a another preferred embodiment, supporting network 12 has been placed on connecting pipe 13 top on the basis of embodiment one, activated carbon layer 17 has been placed on supporting network 12 top, activated carbon layer 17 comprises activated carbon bag, fixed network 16 has been placed to one side that activated carbon layer 17 kept away from supporting network 12, be closely cooperating between fixed network 16 and the pipe 15 inside wall, be clearance fit between supporting network 12 and the pipe 15 inside wall, can adsorb the filtration with the impurity in the high temperature flue gas through setting up activated carbon layer 17, reach the effect of purifying fume, and simultaneously, can obstruct the circulation of flue gas, make the time extension that the flue gas dwelled in the boiler.

EXAMPLE III

Referring to fig. 1, as another preferred embodiment of the present invention, on the basis of the first embodiment, the box 10 includes a cover 101 and a cavity 102, one end of the cover 101 is inserted into the cavity 102, and the cover 101 is inserted into the cavity 102 and tightly fitted with the cavity 102, so that the box 10 is divided into the cavity 102 and the cover 101, thereby facilitating the installation and removal of the box 10 and the removal of the condenser 9 for maintenance.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A three-pass gas condensation steam boiler comprises a base (1) and is characterized in that a boiler (2) is fixed at the top end of the base (1), a first shell (4) is fixed at the bottom end of the inner side of the boiler (2), a burner tube (3) is inserted into the side surface of the boiler (2) opposite to the first shell (4), one end of the burner tube (3) is inserted into the first shell (4), a spiral tube (5) is placed in the boiler (2), the first shell (4) is communicated with one end of the spiral tube (5) through a heat conduction pipeline, a second shell (7) is fixedly connected to the top end of the boiler (2), the other end of the spiral tube (5) is communicated with the second shell (7), a plurality of partition plates (8) are fixedly connected in the second shell (7), and the flue of the second shell (7) is S-shaped due to the partition plates (8), boiler (2) top intercommunication has connecting pipe (13), box (10) have been placed on boiler (2) top, box (10) relative connecting pipe (13) one side intercommunication has pipe (15), pipe (15) cover in the connecting pipe (13) outside, a plurality of lugs (14) of connecting pipe (13) inside wall fixedly connected with, condenser (9) are installed to box (10) inboard, the one end that pipe (15) were kept away from in box (10) is equipped with tub (11) of discharging fume.

2. A three-pass gas-fired condensation steam boiler according to claim 1, characterized in that a support net (12) is placed on the top end of the connecting pipe (13), an activated carbon layer (17) is placed on the top end of the support net (12), a fixing net (16) is placed on one side of the activated carbon layer (17) far away from the support net (12), the fixing net (16) is tightly fitted with the inner side wall of the conduit (15), and the support net (12) is in clearance fit with the inner side wall of the conduit (15).

3. A three-pass gas-fired steam boiler according to claim 1, characterized in that a plurality of heat conducting fins (6) are fixedly connected to the outside of the second shell (7).

4. A three-pass gas-fired steam boiler according to claim 1, wherein the box body (10) comprises a cover body (101) and a cavity (102), one end of the cover body (101) is inserted into the inner side of the cavity (102), and the part of the cover body (101) inserted into the cavity (102) is tightly fitted with the cavity (102).