CN213686826U

CN213686826U - Double-injection square tube of gas water heater

Info

Publication number: CN213686826U
Application number: CN202022392492.7U
Authority: CN
Inventors: 艾穗江; 吴鹏成; 刘兵
Original assignee: Guangdong Macro Gas Appliance Co Ltd
Current assignee: Guangdong Macro Gas Appliance Co Ltd
Priority date: 2020-10-23
Filing date: 2020-10-23
Publication date: 2021-07-13
Anticipated expiration: 2030-10-23

Abstract

The utility model discloses a gas heater is two to draw and penetrates square pipe, include: the square pipe body is provided with a main gas supply channel and a gas cavity, the side wall of the gas cavity is provided with a plurality of nozzle mounting holes communicated with the gas cavity, the nozzle mounting holes are evenly distributed on two opposite side walls of the gas cavity, two separating seal heads are arranged in the gas cavity at intervals, the gas cavity is divided into a first section cavity, a second section cavity and a third section cavity by the two separating seal heads, the first section cavity is provided with a first channel communicated with the main gas supply channel, the second section cavity is provided with a second channel communicated with the main gas supply channel, the third section cavity is provided with a third channel communicated with the main gas supply channel, the second channel is provided with a first section valve, and the third channel is provided with a second section valve, so that the combustion modes with different loads can be realized, the problem of excessive hot water temperature in summer is solved, the load of a single nozzle is effectively reduced, the proportion of primary air injected is improved, and the mixing degree of gas and primary air is increased, so that the combustion is more complete.

Description

Double-injection square tube of gas water heater

Technical Field

The utility model relates to a gas heater's field, in particular to gas heater two draw and penetrate side's pipe.

Background

The combustor of current water heater generally takes the mode of segmentation burning for control output better, both carries out the segmentation air feed through drawing penetrating square pipe, and current drawing penetrates square pipe and has following problem: only the fire grate is subjected to sectional combustion, the minimum heat load is still higher, the bath water outlet temperature in summer is high, and the user experience is poor; and the nozzles are only arranged on one side of the square pipe, the number of the nozzles is small, under the same heat load, the load of a single nozzle is large, the proportion of injected primary air is small, and the mixing degree of the primary air and gas is poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a two side pipes that draw of gas heater to solve one or more technical problem that exist among the prior art, provide a profitable selection or create the condition at least.

The technical scheme adopted for solving the technical problems is as follows:

the utility model provides a two side pipes that penetrate that draw of gas heater, two side pipes that penetrate that draw of gas heater have X axle, Y axle and the Z axle of mutual quadrature, two side pipes that penetrate that draw of gas heater include: the square pipe body is provided with a main gas supply channel and a gas cavity, the side wall of the gas cavity is provided with nozzle mounting holes communicated with the gas cavity, the number of the nozzle mounting holes is multiple, the nozzle mounting holes are uniformly distributed on the two opposite side walls of the gas cavity, the nozzle mounting holes on each side of the gas cavity are arranged at intervals along the X-axis direction, two separation sealing heads are arranged in the gas cavity at intervals along the X-axis direction and divide the gas cavity into a first section cavity, a second section cavity and a third section cavity, the first section cavity is provided with a first channel communicated with the main gas supply channel, the second section cavity is provided with a second channel communicated with the main gas supply channel, the third section cavity is provided with a third channel communicated with the main gas supply channel, the second channel is provided with a first section valve, and the first section valve is configured to control the on-off of the second channel, the third channel is provided with a second sectional valve which is configured to control the on-off of the third channel.

It should be noted that the X-axis, Y-axis, and Z-axis orthogonal to each other are virtual features, and are provided for the convenience of description of the orientation of the structure.

The utility model has the advantages that: the first section cavity is normally open, so that fuel gas in the main gas supply channel directly enters the first section cavity through the first channel, when different combustion loads are required to be adjusted, the connection and disconnection of the second channel and the third channel are controlled through the first section valve and the second section valve respectively, so that the first section cavity can be combined with the second section cavity and/or the third section cavity to operate, the combustion modes with different loads can be realized, and the problem of excessive water temperature in summer is solved; when using, the nozzle is installed in the nozzle mounting hole one by one, because a plurality of nozzle mounting holes equipartition are on the relative both sides wall in gas chamber to make the nozzle distribute in the both sides of square pipe body, effectively reduce single nozzle load, improve the primary air proportion of drawing and penetrate, increase the degree of mixing of gas and primary air, make the burning more abundant, reduce the flame height.

As a further improvement of the above technical scheme, two separation heads are divided into a first separation head and a second separation head, the first separation head is arranged between the first section cavity and the second section cavity, the second separation head is arranged between the second section cavity and the third section cavity, nozzle mounting holes on two sides of the fuel gas cavity are arranged in a one-to-one opposite manner, the first separation head is arranged in an inclined manner, and a pair of nozzle mounting holes close to the first separation head are arranged on two sides of the first separation head in an opposite manner.

When the fire grate is used, two nozzles which are generally oppositely arranged correspond to one fire grate, when the low-load mode of independent work operation of the first section cavity and the medium-load mode of work operation of the first section cavity and the second section cavity are switched, two nozzle mounting holes which are arranged at two sides of the first separation sealing head are respectively communicated with the first section cavity and the second section cavity, so that when the first section cavity is independently operated, combustion of half fire grates can be realized, the minimum heat load is further reduced, and water is guaranteed not to be hot in summer.

As a further improvement of the above technical scheme, the number of the nozzle mounting holes communicated with the first segment cavity is more than three and is an odd number, wherein one nozzle mounting hole is arranged at one side of the first separation seal head, and the other even number of nozzle mounting holes are arranged in a one-to-one opposite manner;

the number of the nozzle mounting holes communicated with the second section cavity is more than three and is an odd number, one nozzle mounting hole is arranged on the other side of the first separation seal head, and the other even number of nozzle mounting holes are arranged in a one-to-one opposite mode;

the number of the nozzle mounting holes communicated with the third subsection cavity is even, and the even number of the nozzle mounting holes are arranged in a one-to-one opposite mode.

As a further improvement of the technical scheme, the gas cavity extends along the X axis, first forming openings are formed in two ends of the gas cavity, and first sealing plugs are respectively mounted on the first forming openings.

When the square pipe body is manufactured, the square pipe body is integrally formed, the two first forming ports are convenient for forming the gas cavity, and the first separation sealing head and the second separation sealing head are convenient to install or form and convenient to process.

As a further improvement of the above technical solution, the main gas supply channel includes a gas distribution section and a gas inlet section, the gas distribution section extends along the X axis, second forming ports are disposed at two ends of the gas distribution section, a second sealing plug is respectively mounted on each of the second forming ports, the gas inlet section is communicated with the gas distribution section, and the gas distribution section is simultaneously communicated with the first channel, the second channel, and the third channel.

The two second forming openings are convenient for forming the gas distribution section during processing, and are convenient for production and manufacturing.

As a further improvement of the above technical solution, two mounting ports are provided on a wall body of the gas distribution section, the two mounting ports respectively correspond to an inlet of the second channel and an inlet of the third channel one to one, and the first and second segment valves are respectively mounted on the two mounting ports. The two mounting openings can be used for facilitating mounting and fixing of the first sectional valve and the second sectional valve and also facilitating forming of the second channel and the third channel.

As a further improvement of the technical scheme, a secondary pressure measuring port connected with the main gas supply channel is arranged on the square tube body. When in use, the secondary pressure can be detected through the secondary pressure measuring port.

As a further improvement of the technical scheme, the square tube body is provided with a fixed mounting seat. The square tube body is fixed with the water heater or the combustor through the fixed mounting seat.

Drawings

The present invention will be further explained with reference to the drawings and examples;

fig. 1 is a schematic structural view of an embodiment of a double-ejection square tube of a gas water heater provided by the present invention;

fig. 2 is a front sectional view of an embodiment of a double-ejection square tube of a gas water heater provided by the present invention;

fig. 3 is a front view of an embodiment of a double-ejection square tube of the gas water heater provided by the present invention;

fig. 4 is a sectional view a-a in fig. 3.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does 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.

In the description of the present invention, if words such as "a plurality" are used, the meaning is one or more, the meaning of a plurality of words is two or more, and the meaning of more than, less than, more than, etc. is understood as not including the number, and the meaning of more than, less than, more than, etc. is understood as including the number.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1 to 4, the utility model discloses a gas heater two draws and penetrates square pipe makes following embodiment:

the gas heater double-injection square pipe of the embodiment comprises a square pipe body 100, a first section valve 200 and a second section valve 300, wherein the square pipe body 100 is provided with a total gas supply channel 110 and a gas cavity, the side wall of the gas cavity is provided with nozzle mounting holes 120 communicated with the gas cavity, when the gas heater double-injection square pipe is used, nozzles are mounted in the nozzle mounting holes 120, the number of the nozzle mounting holes 120 is ten, the ten nozzle mounting holes 120 are uniformly distributed on two opposite side walls of the gas cavity, the nozzle mounting holes 120 on each side of the gas cavity are arranged at intervals along the X-axis direction, the nozzle mounting holes 120 on two sides of the gas cavity are arranged at one-to-one correspondence, two separation seal heads are arranged at intervals along the X-axis direction in the gas cavity, the two separation seal heads are divided into a first separation seal head 160 and a second separation seal head 170, and the two separation seal heads divide the gas cavity into, Second segmentation chamber 140, third segmentation chamber 150, first separation head 160 sets up between first segmentation chamber 130 and second segmentation chamber 140, second separation head 170 sets up between second segmentation chamber 140 and third segmentation chamber 150, specifically: first partition head 160 is the slope setting, with the quantity of the nozzle mounting hole 120 of first segmentation chamber 130 intercommunication is three, and one of them nozzle mounting hole 120 sets up in the one side of first partition head 160, and another two nozzle mounting hole 120 is relative the setting one by one, with the quantity of the nozzle mounting hole 120 of second segmentation chamber 140 intercommunication is three, and one of them nozzle mounting hole 120 sets up in the opposite side of first partition head 160, and another two nozzle mounting hole 120 is relative the setting one by one, with the quantity of the nozzle mounting hole 120 of third segmentation chamber 150 intercommunication is four, four nozzle mounting hole 120 is relative the setting one by one. The first segment chamber 130 is provided with a first passage 131 communicating with the main gas supply passage 110, the second segment chamber 140 is provided with a second passage 141 communicating with the main gas supply passage 110, and the third segment chamber 150 is provided with a third passage 151 communicating with the main gas supply passage 110.

The main gas supply channel 110 comprises a gas distribution section 111 and a gas inlet section 112 which are communicated with each other, the gas distribution section 111 extends along an X axis, the gas distribution section 111 is communicated with a first channel 131, a second channel 141 and a third channel 151 at the same time, two mounting ports 115 are arranged on the wall body of the gas distribution section 111, the two mounting ports 115 are respectively in one-to-one correspondence with the inlet of the second channel 141 and the inlet of the third channel 151, a first segment valve 200 and a second segment valve 300 are respectively mounted on the two mounting ports 115, the two mounting ports 115 can facilitate mounting and fixing of the first segment valve 200 and the second segment valve 300 and facilitate forming of the second channel 141 and the third channel 151, the first segment valve 200 is configured to control on and off of the second channel 141, and the second segment valve 300 is configured to control on and off of the third channel 151.

When the gas-fired boiler is used, two nozzles which are oppositely arranged correspond to one fire grate, the five fire grates are provided in the embodiment, because the first sectional cavity 130 is normally open, when the first sectional valve 200 and the second sectional valve 300 are closed, gas in the main gas supply channel 110 directly enters the first sectional cavity 130 through the first channel 131, at the moment, three nozzles are ventilated, namely, the minimum section is ventilated with 3 nozzles (1.5 rows of fire for combustion), so that a low-load combustion mode is realized, when the first sectional cavity 130 works alone, the minimum heat load can be reduced, and the water used in summer is ensured not to be hot; when the first segment valve 200 is opened and the second segment valve 300 is closed, the first segment cavity 130 and the second segment cavity 140 work and operate, at the moment, six nozzles on the first segment cavity 130 and the second segment cavity 140 are ventilated, and a medium-load combustion mode is realized; when the first and

second segment valves

200, 300 are open, all of the nozzles are vented and a high load combustion mode is achieved.

The gas heater of this embodiment draws a side's pipe to draw respectively controls the break-make of second passageway 141 and third passageway 151 through first segmentation valve 200 and second segmentation valve 300 for first segmentation chamber 130 can make up the operation with second segmentation chamber 140 and/or third segmentation chamber 150, can realize the combustion mode of different loads, solves the problem that the temperature of summer water is crossed and is scalded. Because a plurality of nozzle mounting holes 120 equipartitions are on the relative both sides wall in gas chamber to make the nozzle distribute in the both sides of square pipe body 100, effectively reduce single nozzle load, improve the primary air proportion of drawing and penetrate, increase the mixed degree of gas and primary air, make the burning more abundant, reduce the flame height.

Further, the gas cavity extends along the X axis, first forming ports 180 are disposed at two ends of the gas cavity, first sealing plugs 181 are respectively mounted on the first forming ports 180, second forming ports 113 are disposed at two ends of the gas distribution section 111, second sealing plugs 114 are respectively mounted on the second forming ports 113, the square pipe body 100 is integrally formed during production and manufacturing, the two first forming ports 180 facilitate forming of the gas cavity, the first separation plug 160 and the second separation plug 170 are also conveniently mounted or formed, and the two second forming ports 113 facilitate forming of the gas distribution section 111 during processing.

Further, a secondary pressure measuring port 190 connected to the main gas supply passage 110 is provided on the square pipe body 100. In use, the secondary pressure may be detected by the secondary pressure port 190.

Meanwhile, the square pipe body 100 is provided with a fixed mount 400. The square pipe body 100 is fixed to the water heater or the burner through the fixing mount 400.

In some embodiments, the number of nozzle mounting holes 120 may be increased or decreased, and the arrangement order between the first segment chamber 130, the second segment chamber 140, and the third segment chamber 150 may be adjusted.

While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the invention is not limited to the details of the embodiments shown, but is capable of various modifications and substitutions without departing from the spirit of the invention.

Claims

1. The utility model provides a gas heater is two to draw and penetrates square pipe which characterized in that: the gas heater is two to draw and is penetrated square pipe and have X axle, Y axle and the Z axle of mutual quadrature, gas heater is two to draw and penetrates square pipe and include:

square pipe body (100), it is provided with total gas supply channel (110), gas chamber, the lateral wall in gas chamber be provided with the nozzle mounting hole (120) that the gas chamber communicates, the quantity of nozzle mounting hole (120) is a plurality of, a plurality of nozzle mounting holes (120) equipartition are on the both sides wall that the gas chamber is relative, nozzle mounting hole (120) on each side in gas chamber are the interval along X axle direction and set up, be provided with two along X axle direction interval in the gas chamber and separate the head, two separate the head and separate the gas chamber for first segmentation chamber (130), second segmentation chamber (140), third segmentation chamber (150), first segmentation chamber (130) be provided with total gas supply channel (110) intercommunication first passageway (131), second segmentation chamber (140) be provided with total gas supply channel (110) intercommunication second passageway (141), the third section cavity (150) is provided with a third channel (151) communicated with the main gas supply channel (110), the second channel (141) is provided with a first section valve (200), the first section valve (200) is configured to control the on-off of the second channel (141), the third channel (151) is provided with a second section valve (300), and the second section valve (300) is configured to control the on-off of the third channel (151).

2. The double-ejection square tube of the gas water heater according to claim 1, characterized in that:

two are separated the head and divide into first separation head (160) and second separation head (170), first separation head (160) set up between first segmentation chamber (130) and second segmentation chamber (140), second separation head (170) set up between second segmentation chamber (140) and third segmentation chamber (150), nozzle mounting hole (120) on the gas chamber both sides are the relative setting one by one, first separation head (160) are the slope setting, are close to a pair of nozzle mounting hole (120) of first separation head (160) are the relative both sides that set up in first separation head (160).

3. The double-ejection square tube of the gas water heater according to claim 2, characterized in that:

the number of the nozzle mounting holes (120) communicated with the first subsection cavity (130) is more than three and is odd, one nozzle mounting hole (120) is arranged on one side of the first separation seal head (160), and the other even nozzle mounting holes (120) are arranged in a one-to-one opposite mode;

the number of the nozzle mounting holes (120) communicated with the second section cavity (140) is more than three and is odd, one nozzle mounting hole (120) is arranged on the other side of the first separation seal head (160), and the other even nozzle mounting holes (120) are arranged in a one-to-one opposite mode;

the number of the nozzle mounting holes (120) communicated with the third subsection cavity (150) is even, and the even nozzle mounting holes (120) are arranged oppositely one by one.

4. The double-ejection square tube of the gas water heater according to claim 1, characterized in that:

the gas cavity extends along the X axis, first forming openings (180) are formed in two ends of the gas cavity, and first sealing plugs (181) are respectively mounted on the first forming openings (180).

5. The double-ejection square tube of the gas water heater according to claim 1, characterized in that:

total gas supply channel (110) is including dividing gas section (111) and admit air section (112), divide gas section (111) to extend along the X axle and set up divide the both ends of gas section (111) to be provided with second shaping mouth (113), at each install second sealed end cap (114) respectively on second shaping mouth (113), admit air section (112) with divide gas section (111) intercommunication, divide gas section (111) to communicate with first passageway (131), second passageway (141), third passageway (151) simultaneously.

6. The double-ejection square tube of the gas water heater according to claim 5, characterized in that:

two mounting ports (115) are arranged on the wall body of the gas distribution section (111), the two mounting ports (115) are in one-to-one correspondence with the inlet of the second channel (141) and the inlet of the third channel (151), and the first section valve (200) and the second section valve (300) are mounted on the two mounting ports (115) respectively.

7. The double-ejection square tube of the gas water heater according to claim 1, characterized in that:

the square tube body (100) is provided with a secondary pressure measuring port (190) connected with a main gas supply channel (110).

8. The double-ejection square tube of the gas water heater according to claim 1, characterized in that:

the square tube body (100) is provided with a fixed mounting seat (400).