CN112178922A

CN112178922A - Condensing gas boiler

Info

Publication number: CN112178922A
Application number: CN202011025448.0A
Authority: CN
Inventors: 祁新纪; 王和平
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-25
Filing date: 2020-09-25
Publication date: 2021-01-05

Abstract

The invention relates to the technical field of boilers, in particular to a condensing gas boiler, which comprises a boiler body; the fasteners for fastening, connecting and packaging the top and the bottom of the boiler body are uniformly arranged on the edge of the boiler body and are connected with the top and the bottom of the boiler body; the combustion bin is fixedly arranged in the boiler body and used for carrying out gas combustion scroll type conduction, and the surface of the boiler body is provided with exhaust holes at the corresponding positions of the outer ends of scrolls of the combustion bin; this condensing gas boiler main part is by the main part stove, the mode of top cap and bottom trisomy separation concatenation, make things convenient for the dismantlement and the installation of the boiler body, the maintenance and the scale removal in the later stage of being convenient for, the produced heat of burning simultaneously can be the scroll formula along the combustion chamber and discharge, the thermal area that gives off of extension that the maximize is realized to the channel that leads of scroll formula, make the heat can be timely large tracts of land by water absorption, form thermal continuation conduction, moreover the volume of combustion chamber occupies lessly, improve the water storage rate.

Description

Condensing gas boiler

Technical Field

The invention relates to the technical field of boilers, in particular to a condensing gas boiler.

Background

Condensation gas boiler, as the name implies exactly is condensation formula gas boiler, and present condensation gas boiler can divide into condensation domestic gas boiler and condensation commercial gas boiler, and the product has also distinguished two series of condensation floor type boiler and condensation wall-hanging boiler. The most important of these is naturally the implementation of condensation technology.

No matter now floor type boiler and the wall-hanging boiler of condensation use the back for a long time, and the incrustation scale can appear in inside and pile up, influence heat-conduction, but present boiler is mostly integral type or tip encapsulated type, is not convenient for dismantle the inside incrustation scale of clearance, and simultaneously, traditional gas combustion need increase the area of water and heat contact for thermal abundant absorption, leads to the volume of device great, the lower problem of flourishing water utilization ratio.

Disclosure of Invention

The invention provides a condensing gas boiler aiming at the problems in the prior art.

The technical scheme adopted by the invention for solving the technical problems is as follows: a condensing gas boiler comprises a boiler body, wherein fasteners for fastening, connecting and packaging the top and the bottom of the boiler body are uniformly arranged on the edge of the boiler body and are connected with the top and the bottom of the boiler body; the combustion bin for carrying out scroll type conduction on gas combustion is fixedly arranged in the boiler body, and the surface of the boiler body, which is positioned at the corresponding position of the outer end of the scroll of the combustion bin, is provided with an exhaust hole; the condenser for recovering the heat of the combustion tail gas is arranged on the surface of the boiler body and is positioned outside the exhaust hole.

Specifically, the boiler body comprises a main furnace, a top cover and a bottom cover, the top cover and the bottom cover are respectively covered at the top and the bottom of the main furnace, a combustion part is installed at the center of the surface of the bottom cover, and mounting frames are symmetrically fixed on the outer wall of the main furnace.

Specifically, rubber rings are fixed on the inner surface edges of the top cover and the bottom cover at the contact part of the main furnace, and the surfaces of the rubber rings are in a link type arc bulge shape.

Specifically, the combustion chamber is in a scroll shape, the combustion part is aligned with the center of the combustion chamber, and the scroll wall of the combustion chamber is in a hollow structure.

Specifically, the bottom central point of combustion chamber puts and is fixed with linking pipe, bottom internal surface fixed have with linking pipe complex encapsulation section of thick bamboo, the terminal surface symmetry of an encapsulation section of thick bamboo is fixed with the reference column, the terminal surface of linking pipe seted up with reference column complex locating hole, encapsulation section of thick bamboo terminal surface edge equidistance is fixed with the sealing ring, link up the pipe terminal surface and seted up with sealing ring complex annular.

Specifically, the condenser includes ring shell, heat exchange tube, blast pipe, fluid-discharge tube and sealing plug, the ring shell is fixed and is located the exhaust hole corresponding position at boiler body outer wall, ring shell inside is fixed with the heat exchange tube, the ring shell top is fixed with the blast pipe, open the ring shell bottom and be fixed with the fluid-discharge tube, and the sealing plug is installed to the inside screw thread of fluid-discharge tube.

Specifically, the heat exchange tube is a circulating fold structure and is made of a copper material.

Specifically, the blast pipe is including being responsible for and the bleeder, the bleeder and the ring shell top equidistance intercommunication of blast pipe, and the bleeder and the person in charge intercommunication of blast pipe.

Specifically, the binding includes lead screw, limit piece and nut, the edge at top cap and bottom cover is fixed to limit piece equidistance, the lead screw sets up between the limit piece, and the lead screw both ends pass the limit piece that corresponds, the lead screw outer wall is located the top of limit piece and the equal threaded nut in bottom installs the nut.

The invention has the beneficial effects that:

1. according to the condensing gas boiler, the main body is formed by three-body separation splicing of a main body furnace, a top cover and a bottom cover, and the side block is extruded by matching with the meshing of a nut and a screw rod, so that the top cover and the bottom cover are clamped at two ends of the main body furnace, stable pressure is provided for the sealing and fixing of the boiler body, the boiler body is convenient to disassemble and assemble, later maintenance and scale removal are facilitated, the movable installation and positioning of the bottom cover and the main body furnace are more accurate through the positioning and clamping of a positioning hole and a positioning column, the connection sealing of a packaging cylinder and a connecting pipe is realized by matching with the clamping of a multilayer sealing ring and a ring groove, and the waterproof sealing of a combustion part is realized in a mode of ensuring convenient disassembly;

2. according to the condensing gas boiler, the combustion space sprayed by the combustion part is positioned in the center of the combustion chamber, heat generated by combustion can be discharged in a scroll mode along the combustion chamber, the scroll type guide channel realizes the maximized heat dissipation area extension, water can be filled between scroll walls of the combustion chamber up and down, the heat can be absorbed by water in time in a large area, the heat can be continuously conducted, the volume of the combustion chamber is small, and the water storage rate is improved.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic view of an overall structure of a condensing gas boiler according to a preferred embodiment of the present invention;

FIG. 2 is a schematic view of a vent structure;

FIG. 3 is a bottom view of the monolith of FIG. 1;

FIG. 4 is a schematic view of the internal structure of the main furnace;

FIG. 5 is a schematic top view of the combustion chamber;

FIG. 6 is a schematic view of a fastener construction;

FIG. 7 is a schematic view of a sealing arrangement of the packaging cartridge and the combustion chamber shown in FIG. 4;

FIG. 8 is a schematic view of the sealing and attaching structure of the bottom cover and the main body furnace;

fig. 9 is a schematic view of a condenser structure.

In the figure: 1. boiler body, 11, main part stove, 12, top cap, 13, bottom, 14, a packaging barrel, 15, sealing ring, 16, annular groove, 17, locating hole, 18, reference column, 19, rubber circle, 2, condenser, 21, ring shell, 22, heat exchange tube, 23, blast pipe, 24, fluid-discharge tube, 25, sealing plug, 3, mounting bracket, 4, binding, 41, lead screw, 42, limit piece, 43, nut, 5, exhaust hole, 6, combustion part, 7, combustion chamber, 71, linking pipe.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1, 3 and 4, the condensing gas boiler of the present invention comprises a boiler body 1, wherein the boiler body 1 comprises a main body furnace 11, a top cover 12 and a bottom cover 13, the top cover 12 and the bottom cover 13 are respectively covered on the top and the bottom of the main body furnace 11, the boiler body 1 changes the traditional structure, and adopts a three-body separation splicing manner, so as to facilitate later-stage disassembly for descaling and maintenance, and more convenient replacement of local parts, a combustion part 6 is installed at the center position of the surface of the bottom cover 13, the combustion part 6 adopts the existing mature integrated equipment for adjusting and supplying the burner and the gas, mounting frames 3 are symmetrically fixed on the outer wall of the main body furnace 11, and the mounting frames 3 are used for hanging, mounting and fixing the equipment.

As shown in fig. 8, rubber rings 19 are fixed on the inner surface edges of the top cover 12 and the bottom cover 13 at the contact position of the main body furnace 11, and the surfaces of the rubber rings 19 are in a link-type arc-shaped protruding shape, when the top cover 12, the bottom cover 13 and the main body furnace 11 are fastened, attached and fixed, because the surfaces of the top cover 12, the bottom cover 13 and the main body furnace 11 are all hard materials, sealing is difficult to achieve, sealing between the top cover 12, the bottom cover 13 and the main body furnace 11 is effectively sealed by adopting the deformation effect of the rubber rings 19, water leakage is avoided, and meanwhile, the link-type arc-shaped protruding shape enables the rubber rings 19 to form a plurality of contact layers when being extruded, multi-layer sealing is achieved, and the sealing effect is ensured, wherein the rubber rings 19 are high-temperature resistant rubber rings.

As shown in fig. 6, the fasteners 4 for fastening, connecting and packaging the top and the bottom of the boiler body 1 are uniformly arranged on the edge of the boiler body 1, and the fasteners 4 are connected with the top and the bottom of the boiler body 1; the fastener 4 includes lead screw 41, limit piece 42 and nut 43, the edge at top cap 12 and bottom 13 is fixed to limit piece 42 equidistance, lead screw 41 sets up between limit piece 42, and the corresponding limit piece 42 is passed at lead screw 41 both ends, the equal threaded nut 43 of top and the bottom that the lead screw 41 outer wall is located limit piece 42 is installed.

In the specific implementation process, binding device 4 is used for connecting and packaging split type boiler body 1, symmetry fixed mounting through limit piece 42, alternate lead screw 41 between limit piece 42, then use the meshing of nut 43 and lead screw 41 to realize the extrusion to limit piece 42, thereby make top cap 12 and bottom 13 centre gripping at main part stove 11 both ends, provide stable pressure for the sealed fixed of boiler body 1, when specific installation uses, should connect lead screw 41 in proper order earlier spacingly, the even formula carries out fastening nut 43 one by one, avoid because local fastening pulling force is too big, cause the excessive shrink of connection position, the fastening of influence symmetry side is fixed.

As shown in fig. 2, 4 and 5, the combustion chamber 7 is fixedly installed inside the boiler body 1 for conducting the combustion of the gas in a scroll-type manner, and the surface of the boiler body 1 is provided with an exhaust hole 5 at a position corresponding to the outer end of the scroll of the combustion chamber 7; the combustion chamber 7 is in a scroll shape, the central part of the combustion part 6 is aligned with the combustion chamber 7, and the scroll wall of the combustion chamber 7 is in a hollow structure.

It should be noted that: the combustion space that burning part 6 erupted is located combustion chamber 7 central point, the produced heat of burning can be the scroll formula along combustion chamber 7 and discharge, the scroll formula lead the radiating area that the passageway realized the extension heat of maximize, can lead to water from top to bottom between the scroll wall of combustion chamber 7, make the timely large tracts of land of heat ability absorbed by water, form thermal continuation conduction, combustion chamber 7's volume occupies lessly moreover, improve the water storage rate, the produced tail gas of burning is discharged through exhaust hole 5.

In addition, as shown in fig. 4 and 7, the bottom center position of the combustion chamber 7 is fixed with a connection pipe 71, the inner surface of the bottom cover 13 is fixed with a packaging cylinder 14 matched with the connection pipe 71, the end surface of the packaging cylinder 14 is symmetrically fixed with positioning columns 18, the end surface of the connection pipe 71 is provided with positioning holes 17 matched with the positioning columns 18, the end surface edge of the packaging cylinder 14 is equidistantly fixed with sealing rings 15, the end surface of the connection pipe 71 is provided with annular grooves 16 matched with the sealing rings 15, the movable mounting and positioning of the bottom cover 13 and the main body furnace 11 are more accurate through the positioning clamping of the positioning holes 17 and the positioning columns 18, the secondary packaging after the bottom cover 13 and the main body furnace 11 are disassembled is ensured, the accurate matching is still integrated, meanwhile, the clamping of the multilayer sealing rings 15 and the annular grooves 16 is realized for the connection of the packaging cylinder 14 and the connection pipe 71, the water seepage at the combustion part is avoided, and the sealing and the packaging cylinder 14 and the connection, the elastic deformation is more uniform.

As shown in fig. 9, the condenser 2 for recovering heat of the combustion exhaust gas is arranged on the surface of the boiler body 1 and is positioned outside the exhaust hole 5; condenser 2 includes ring shell 21, heat exchange tube 22, blast pipe 23, fluid-discharge tube 24 and sealing plug 25, ring shell 21 is fixed and is located exhaust hole 5 corresponding position at 1 outer wall of boiler body, ring shell 21 inside is fixed with heat exchange tube 22, ring shell 21 top is fixed with blast pipe 23, open the bottom of ring shell 21 and be fixed with fluid-discharge tube 24, and the sealing plug 25 is installed to the inside screw thread of fluid-discharge tube 24.

It should be noted that: in the ring shell 21 is discharged into through exhaust hole 5 to the tail gas after the burning, can have energy such as a large amount of waste heat, steam in the tail gas, and outside retaining circulating device is connected to heat exchange tube 22, with the leading-in heat exchange tube 22 of normal atmospheric temperature water, through the inside heat of heat-conduction effective absorption tail gas, reduce thermal loss, the thermal efficiency improves by a wide margin.

In addition, the heat exchange tube 22 is a circulating corrugated structure, so that the contact area between the heat exchange tube 22 and tail gas is increased, the heat absorption efficiency is improved, and the heat exchange tube 22 is made of copper materials, so that the heat conduction speed of the heat exchange tube 22 to heat is increased.

In addition, blast pipe 23 is including being responsible for and the bleeder, the bleeder of blast pipe 23 and the equidistance intercommunication in encirclement 21 top, and the bleeder of blast pipe 23 and the person in charge intercommunication, adopt the tail gas after the cooling of 23 exhaust pipes of multi-branch formula, avoid the jam of tail gas, improve exhaust efficiency.

The condensing gas boiler provided by the invention specifically works as follows:

the boiler body 1 is added with water through a water inlet device, water penetrates through the outside of a combustion chamber 7 and submerges the combustion chamber 7, a combustion part 6 is started to ignite and combust, a combustion space sprayed by the combustion part 6 is positioned at the center of the combustion chamber 7, heat generated by combustion can be discharged along the combustion chamber 7 in a scroll mode, then tail gas is discharged through an exhaust hole 5, a scroll type guide channel realizes the maximized heat dissipation area, the volume of the combustion chamber 7 is small, the water storage rate is improved, the tail gas is discharged into an annular shell 21 through the exhaust hole 5, a large amount of energy such as waste heat and steam can be contained in the tail gas, a heat exchange tube 22 is connected with an external water storage circulating device, normal-temperature water is guided into the heat exchange tube 22, the heat in the tail gas is effectively absorbed through heat conduction, the heat loss is reduced, and the heat efficiency is greatly improved; meanwhile, the device is formed by a main body furnace (11), a top cover (12) and a bottom cover (13) in a three-body separated splicing mode, the matched nut 43 is meshed with the screw rod 41 to extrude the edge block 42, so that the top cover 12 and the bottom cover 13 are clamped at two ends of the main body furnace 11, stable pressure is provided for sealing and fixing the boiler body 1, the boiler body 1 is convenient to detach and mount, later maintenance and scale removal are facilitated, the movable mounting and positioning of the bottom cover 13 and the main body furnace 11 are more accurate through positioning and clamping of the positioning hole 17 and the positioning column 18, the connection of the packaging cylinder 14 and the connecting pipe 71 is realized through clamping of the multilayer sealing ring 15 and the annular groove 16, and waterproof sealing of a combustion part is realized in a mode of guaranteeing convenient detachment.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the embodiments and descriptions given above are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A condensing gas boiler, characterized by comprising a boiler body (1); the fasteners (4) used for fastening, connecting and packaging the top and the bottom of the boiler body (1) are uniformly arranged on the edge of the boiler body (1), and the fasteners (4) are connected with the top and the bottom of the boiler body (1);

the combustion bin (7) used for conducting gas combustion in a scroll mode is fixedly arranged inside the boiler body (1), and the surface of the boiler body (1) is provided with exhaust holes (5) at positions corresponding to the outer ends of the scrolls of the combustion bin (7);

the condenser (2) for recovering the heat of the combustion tail gas is arranged on the surface of the boiler body (1) and is positioned outside the exhaust hole (5).

2. A condensing gas boiler according to claim 1, characterized in that: the boiler body (1) comprises a main body furnace (11), a top cover (12) and a bottom cover (13), the top cover (12) and the bottom cover (13) are respectively covered at the top and the bottom of the main body furnace (11), a combustion part (6) is installed at the center of the surface of the bottom cover (13), and a mounting frame (3) is symmetrically fixed on the outer wall of the main body furnace (11).

3. A condensing gas boiler according to claim 2, characterized in that: the rubber rings (19) are fixed on the inner surface edges of the top cover (12) and the bottom cover (13) at the contact part of the main furnace (11), and the surfaces of the rubber rings (19) are in a ring-connected arc convex shape.

4. A condensing gas boiler according to claim 2, characterized in that: the combustion chamber (7) is in a scroll shape, the central part of the combustion part (6) is aligned with the central part of the combustion chamber (7), and the scroll wall of the combustion chamber (7) is in a hollow structure.

5. A condensing gas boiler according to claim 4, characterized in that: the bottom central point of burning bin (7) puts and is fixed with linking pipe (71), bottom (13) internal surface fixed have with linking pipe (71) complex encapsulation section of thick bamboo (14), the terminal surface symmetry of encapsulation section of thick bamboo (14) is fixed with reference column (18), the terminal surface that links up pipe (71) seted up with reference column (18) complex locating hole (17), an encapsulation section of thick bamboo (14) terminal surface edge equidistance is fixed with sealing ring (15), link up pipe (71) terminal surface seted up with sealing ring (15) complex annular (16).

6. A condensing gas boiler according to claim 1, characterized in that: condenser (2) are including ring shell (21), heat exchange tube (22), blast pipe (23), fluid-discharge tube (24) and sealing plug (25), ring shell (21) are fixed and are located exhaust hole (5) corresponding position at boiler body (1) outer wall, ring shell (21) inside is fixed with heat exchange tube (22), ring shell (21) top is fixed with blast pipe (23), open the bottom of ring shell (21) and be fixed with fluid-discharge tube (24), and sealing plug (25) are installed to fluid-discharge tube (24) internal thread.

7. A condensing gas boiler according to claim 6, characterized in that: the heat exchange tube (22) is of a circulating type fold structure, and the heat exchange tube (22) is made of a copper material.

8. A condensing gas boiler according to claim 6, characterized in that the exhaust duct (23) comprises a main duct and branch ducts, the branch ducts of the exhaust duct (23) communicating with the top of the ring shell (21) at equal distances and the branch ducts of the exhaust duct (23) communicating with the main duct.

9. A condensing gas boiler according to claim 2, characterized in that the fastener (4) comprises a screw (41), edge blocks (42) and nuts (43), the edge blocks (42) are fixed at the edges of the top cover (12) and the bottom cover (13) at equal intervals, the screw (41) is arranged between the edge blocks (42), both ends of the screw (41) pass through the corresponding edge blocks (42), and the nuts (43) are installed on the outer wall of the screw (41) at the top and bottom of the edge blocks (42) in a threaded manner.