CN210088812U

CN210088812U - Horizontal heat exchange tube boiler

Info

Publication number: CN210088812U
Application number: CN201920257592.3U
Authority: CN
Inventors: 张永志
Original assignee: Yunnan Xinguang Energy Saving Technology Co Ltd
Current assignee: Yunnan Xinguang Energy Saving Technology Co Ltd
Priority date: 2019-02-28
Filing date: 2019-02-28
Publication date: 2020-02-18
Anticipated expiration: 2029-02-28

Abstract

The utility model relates to a horizontal heat exchange tube boiler, which comprises a horizontally-placed hollow cylindrical boiler body, wherein a cylindrical combustion chamber is arranged at the center of the boiler body, a plurality of heat exchange tubes are uniformly arranged from two sides to the bottom outside the combustion chamber, the rear ends of the two uppermost heat exchange tubes are communicated with the rear end of the combustion chamber through a tangent communicating tube, the two heat exchange tubes are respectively communicated with the adjacent heat exchange tubes below through the tangent communicating tube, so that the adjacent heat exchange tubes at two sides of the combustion chamber are sequentially communicated in a tangent manner, high-temperature flue gas can enter the next heat exchange tube in a rotating manner in the heat exchange tubes, the last two heat exchange tubes are provided with outlets for converging waste gas, the waste gas is discharged through a chimney after being sucked by a; the utility model relates to a novelty, simple structure scientific and reasonable, exhaust gas temperature are low, the thermal efficiency is high, small, specific power is big, low in manufacturing cost, require low, the operation is stable, maintain simple, be fit for making high-power boiler to quality of water.

Description

Horizontal heat exchange tube boiler

Technical Field

The utility model belongs to the technical field of the boiler, a horizontal heat exchange tube boiler particularly.

Background

The boiler is an energy conversion device, and absorbs heat generated by burning various chemical fuels (coal, fuel oil, fuel gas, biomass and the like) by using water as a carrier to form hot water or converts the hot water into steam for life use or for the needs of various industrial and agricultural production.

The existing boiler is generally divided into a heat exchange tube boiler and a water tube boiler according to the structure, and the boiler with a simple structure has low heat efficiency and large volume; the high-efficiency boiler has the problems of complex structure, larger volume, high requirement on water quality, short service life, difficult maintenance and the like, and has the problem of low specific power. One water tube type through-flow boiler has high specific power and small volume, but has high requirement on water quality and cannot be maintained once damaged.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the problem that above-mentioned technique exists, provide a horizontal heat exchange tube boiler.

In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides a horizontal heat exchange tube boiler, including the horizontal hollow cylinder boiler body of placing, boiler body central point puts the combustion chamber that is equipped with the cylinder, both sides evenly are equipped with many heat exchange tubes to the bottom outside the combustion chamber, the rear end of two topmost heat exchange tubes communicates through tangent line communicating pipe with the combustion chamber rear end, two heat exchange tubes communicate through tangent line communicating pipe with following adjacent heat exchange tube respectively again, so let adjacent heat exchange tube in combustion chamber both sides tangent line intercommunication in succession respectively, let high temperature flue gas can rotatory get into next heat exchange tube in the heat exchange tube, establish the waste gas export at last two heat exchange tubes and join waste gas, discharge through the chimney with the draught fan suction, the cross-sectional area of tangent line communicating pipe all is less than half of heat.

Furthermore, the waste gas outlet is arranged at the rear part of the heat exchange tube and is connected with an induced draft fan outside the boiler body through the waste gas tube.

Further, boiler body bottom is equipped with sealed dust removal pond, is equipped with the dust absorption liquid in the dust removal pond, draught fan on the pool wall in dust removal pond, the heat exchange tube below is located to the exhaust outlet, through exhaust pipe and the inside intercommunication of dust removal pond.

Furthermore, the front end of the combustion chamber is provided with a fuel inlet, and the rear end of the combustion chamber is provided with a fireproof heat-insulating material.

Furthermore, a plurality of heat exchange tubes are arranged outside the combustion chamber in parallel, the rear ends of the heat exchange tubes are directly welded on the inner wall of the rear end of the boiler body, and the front ends of the heat exchange tubes pass through the front wall of the boiler body and are provided with sealing covers capable of being unloaded.

Furthermore, a water inlet pipe and a water outlet pipe are arranged on the outer wall of the boiler body.

Further, a steam storage chamber is arranged above the boiler body and communicated with the interior of the boiler body through a communicating pipe.

Furthermore, a steam outlet, a safety valve and a pressure gauge are arranged on the steam storage chamber.

Furthermore, a water level meter is arranged between the steam storage chamber and the boiler body.

The utility model has the beneficial technical effects that:

(1) this novel combustion chamber is in the middle of the boiler body, high temperature flue gas is from being in the intraformational heat exchange tube of combustion chamber outer water layer from last down parallel round circulation again, can produce the temperature difference in the water layer of boiler, the upper strata absorbs the heat of high temperature flue gas at first, the temperature is the highest, down flue gas temperature progressively descends, water layer temperature also descends along with it, get into at last and get rid of in the bottommost heat exchange tube, and the inlet tube sets up in the bottommost of boiler again, so the water layer temperature outside the bottommost heat exchange tube is minimum, relatively do benefit to the absorption of flue gas waste heat.

(2) This novel high temperature flue gas is circulated many times, and tangent line communicating pipe between the heat exchange tube all adopts the tangent line intercommunication moreover, can make the high temperature flue gas produce rotatoryly in the heat exchange tube, very big extension the stroke and the detention time of flue gas, great improvement the thermal efficiency of boiler, the rotatory heat exchange tube inner wall that erodees of flue gas does not only do benefit to thermal absorption moreover, has the automatically cleaning effect to the heat exchange tube inner wall moreover.

(3) The utility model relates to a novelty, simple structure scientific and reasonable, exhaust gas temperature are low, the thermal efficiency is high, small, specific power is big (the boiler of the same power is half than traditional boiler volume is little), low in manufacturing cost, require low, the operation is stable, maintain simple, be fit for making high-power boiler to quality of water.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a schematic structural view of embodiment 1 of the present invention;

fig. 2 is a schematic structural view of embodiment 2 of the present invention;

FIG. 3 is a perspective view of the boiler body of the present invention;

FIG. 4 is a cross-sectional view A-A of FIG. 3;

FIG. 5 is a cross-sectional view B-B of FIG. 3;

FIG. 6 is a cross-sectional view C-C of FIG. 3;

in the figure, a dust removal pool 1, a water inlet pipe 2, a fuel inlet 3, a heat exchange pipe 4, a boiler body 5, a steam storage chamber 6, a safety valve 7, a steam outlet 8, a pressure gauge 9, a communicating pipe 10, a water discharge pipe 11, a combustion chamber 12, a refractory heat-insulating material 13 and a tangent communicating pipe 14 are arranged.

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.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

EXAMPLE 1

As shown in figures 1 and 3-6, a horizontal heat exchange tube boiler comprises a horizontally placed hollow cylindrical boiler body 5, a cylindrical combustion chamber 12 is arranged at the center of the boiler body, a plurality of heat exchange tubes 4 are uniformly arranged from two sides to the bottom outside the combustion chamber, the rear ends of the two uppermost heat exchange tubes are communicated with the rear end of the combustion chamber through a tangent communication tube 14, the two heat exchange tubes are respectively communicated with the adjacent heat exchange tubes below through the tangent communication tube 14, so that the adjacent heat exchange tubes at two sides of the combustion chamber are sequentially communicated in a tangent manner, high-temperature flue gas can enter the next heat exchange tube in a rotating manner in the heat exchange tubes, a waste gas outlet is arranged at the last two heat exchange tubes to join waste gas, the waste gas is discharged through a chimney after being sucked by an induced draft fan. The waste gas outlet is arranged at the rear part of the heat exchange tube and is connected with a draught fan outside the boiler body through the waste gas tube.

In this novel, the combustion chamber front end is equipped with fuel entry 4, and the rear end is equipped with fire-resistant insulation material 13.

In this is novel, several heat exchange tubes are located the combustion chamber parallelly outside, and the rear end lug weld of heat exchange tube is on boiler body rear end inner wall, and the front end then passes through the boiler body antetheca and is equipped with the sealed lid that can unload (not drawn in the picture), and the effect of sealed lid is the maintenance and the maintenance that make things convenient for the heat exchange tube.

In this novel, be equipped with inlet tube 2 and drain pipe 11 on the boiler body outer wall.

In this is novel, boiler body top is equipped with steam apotheca 6, and the steam apotheca passes through communicating pipe 10 and the inside intercommunication of boiler body.

In the novel steam storage chamber, a steam outlet 8, a safety valve 7 and a pressure gauge 9 are arranged on the steam storage chamber.

In the utility model, a water level gauge (not shown in the figure) is arranged between the steam storage chamber and the boiler body.

EXAMPLE 2

As shown in fig. 2, a sealed dust removal tank 1 is arranged at the bottom of the boiler body, dust absorption liquid is arranged in the dust removal tank, a draught fan (marked on the figure) is arranged on the wall of the dust removal tank, a waste gas outlet is arranged below the heat exchange pipe and is communicated with the interior of the dust removal tank through a waste gas pipe, and the rest parts of the waste gas outlet are the same as those of the embodiment 1. The novel design method can be used for solving the problem of dust generated by combustion of the boiler in the using process.

The utility model discloses in the implementation, the quantity of heat exchange tube is 7, and one is established to the bottom, and the bottom left and right sides respectively sets up three, and in actual production, the quantity of heat exchange tube can design according to the size of boiler body.

The utility model discloses the circulation process of high temperature flue gas does in the use: high-temperature flue gas generated by combustion in the combustion chamber averagely enters the rear end of the uppermost first heat exchange tube positioned outside the combustion chamber from the upper top of the rear end of the combustion chamber through a high-temperature flue gas dispersion tube, and reaches the front end from the rotation of the rear end of the first heat exchange tube, enters the front end of a second heat exchange tube adjacent to the lower side through a tangent communicating tube, and reaches the rear end of the second heat exchange tube in a rotating manner, and then enters the rear end of a third heat exchange tube through the tangent communicating tube, then reaches the front end in a rotating manner, enters the front end of a bottom heat exchange tube through the tangent communicating tube, and finally reaches.

It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.

Those of ordinary skill in the art will understand that: the components in the devices in the embodiments may be distributed in the devices in the embodiments according to the description of the embodiments, or may be correspondingly changed in one or more devices different from the embodiments. The components of the above embodiments may be combined into one component, or may be further divided into a plurality of sub-components.

Finally, it should be noted that: the above embodiments are only used for illustrating but not limiting the technical solutions of the present invention, and although the present invention is described in detail with reference to the above embodiments, those skilled in the art should understand that: the present invention may be modified or substituted with equivalents without departing from the spirit and scope of the invention, which should be construed as being limited only by the claims.

Claims

1. The utility model provides a horizontal heat exchange tube boiler, a serial communication port, including the horizontal hollow cylinder boiler body of placing, boiler body central point puts the combustion chamber that is equipped with the cylinder, both sides evenly are equipped with many heat exchange tubes to the bottom outside the combustion chamber, the rear end of two topmost heat exchange tubes communicates through tangent line communicating pipe with the combustion chamber rear end, two heat exchange tubes communicate through tangent line communicating pipe with following adjacent heat exchange tube respectively again, so let adjacent heat exchange tube of combustion chamber both sides tangent line intercommunication in succession respectively, let high temperature flue gas can rotatory get into next heat exchange tube in the heat exchange tube, establish the waste gas export at last two heat exchange tubes and join waste gas, it discharges through the chimney to aspirate with the draught fan, the cross-sectional area of tangent line communicating pipe all is less than.

2. The horizontal heat exchange tube boiler of claim 1, wherein the exhaust gas outlet is arranged at the rear part of the heat exchange tube and is connected with an induced draft fan outside the boiler body through an exhaust gas tube.

3. The horizontal heat exchange tube boiler according to claim 1, wherein a sealed dust removal tank is arranged at the bottom of the boiler body, dust absorption liquid is arranged in the dust removal tank, an induced draft fan is arranged on the wall of the dust removal tank, and the waste gas outlet is arranged below the heat exchange tube and is communicated with the inside of the dust removal tank through a waste gas tube.

4. The horizontal heat exchange tube boiler according to claim 1, wherein the combustion chamber is provided at a front end thereof with a fuel inlet and at a rear end thereof with a refractory heat insulating material.

5. The horizontal heat exchange tube boiler as set forth in claim 1, wherein a plurality of the heat exchange tubes are arranged in parallel outside the combustion chamber, and the heat exchange tubes are welded at rear ends thereof directly to an inner wall of the rear end of the boiler body and at front ends thereof through a front wall of the boiler body and provided with a detachable sealing cap.

6. The horizontal heat exchange tube boiler as recited in claim 1, wherein a water inlet tube and a water outlet tube are provided on an outer wall of the boiler body.

7. The horizontal heat exchange tube boiler according to claim 6, wherein a steam storage chamber is provided above the boiler body, and the steam storage chamber is communicated with the inside of the boiler body through a communication pipe.

8. The horizontal heat exchange tube boiler as claimed in claim 7, wherein the steam storage chamber is provided with a steam outlet, a safety valve and a pressure gauge.

9. The horizontal heat exchange tube boiler as claimed in claim 8, wherein a water level gauge is provided between the steam storage chamber and the boiler body.