CN214536169U - Combustor and gas warmer - Google Patents

Abstract

The utility model discloses a combustor and gas room heater. The combustor comprises a combustion pipe, wherein a plurality of fire hole groups and a plurality of fire transfer hole groups are distributed on the surface of the combustion pipe along the axial direction of the combustion pipe, the fire transfer hole groups are arranged into two rows along the axial direction of the combustion pipe, and the fire hole groups are positioned between the two rows of fire transfer hole groups; the fire hole group comprises a plurality of fire holes which are axially arranged along the combustion pipe, and the fire hole group comprises a plurality of fire holes which are axially arranged along the combustion pipe; the adjacent fire hole groups are spaced at a preset distance, the fire hole groups and the fire transfer hole groups are arranged in a staggered mode in the axial direction of the combustion pipe, and at least two fire transfer holes in the fire transfer hole groups are respectively located at the same position with at least one fire hole of the two adjacent fire hole groups in the axial direction of the combustion pipe. The utility model discloses a combustor can effectively keep flame stable.

Description

Combustor and gas warmer

Technical Field

The utility model belongs to the technical field of the gas burner technique and specifically relates to a combustor and gas room heater.

Background

In the gas warmer, a burner is one of the core components, and gas is burned by the burner to generate heat for warming. The burners commonly used in the market are mainly T-shaped fire grate, Z-shaped fire grate, ceramic burner or Venturi tube burner, and the arrangement of the fire holes and the fire transfer holes of the burners has defects, so that the flame is not stable enough, and even part of the fire holes have no flame.

SUMMERY OF THE UTILITY MODEL

The utility model provides a combustor and gas room heater can effectively keep flame stable.

In order to solve the above problem, the utility model adopts the following technical scheme:

according to a first aspect of the present invention, an embodiment of the present invention provides a burner, including a combustion pipe, wherein a plurality of fire hole groups and a plurality of fire transfer hole groups are distributed on the surface of the combustion pipe along the axial direction of the combustion pipe, the fire transfer hole groups are arranged in two rows along the axial direction of the combustion pipe, and the fire hole groups are located between the two rows of fire transfer hole groups; the fire hole group comprises a plurality of fire holes which are axially arranged along the combustion pipe, and the fire hole group comprises a plurality of fire holes which are axially arranged along the combustion pipe; the adjacent fire hole groups are spaced at a preset distance, the fire hole groups and the fire transfer hole groups are arranged in a staggered mode in the axial direction of the combustion pipe, and at least two fire transfer holes in the fire transfer hole groups are respectively located at the same position with at least one fire hole of the two adjacent fire hole groups in the axial direction of the combustion pipe.

In some embodiments, the burner further comprises a fixing seat, an injection pipe and an injection device; the injection device, one end of the combustion pipe and one end of the injection pipe are all fixed on the fixed seat; the ejection pipe is arranged in parallel with the combustion pipe, and the ejection pipe is arranged in the combustion pipe; the fixing seat is provided with an overflowing hole penetrating through the fixing seat and communicated with the injection pipe, and the injection device is used for injecting fuel gas to the overflowing hole.

In some embodiments, the peripheral surface and the end surface of one end of the injection pipe, which is far away from the fixed seat, are provided with a plurality of gas outlets.

In some embodiments, the fixing seat comprises a fixing plate and a connecting piece, the connecting piece is fixed on one side of the fixing plate, and the injection device is arranged on the other side of the fixing plate; the overflowing hole penetrates through the fixing plate and the connecting piece, and the combustion pipe and the injection pipe are both fixed on the connecting piece.

In some embodiments, the connector comprises a first boss protruding from the surface of the fixing plate and a second boss protruding from the surface of the first boss, and the outer diameter of the first boss is larger than that of the second boss; the combustion pipe is sleeved on the first boss, and the injection pipe is sleeved on the second boss.

In some embodiments, the injection device includes an injector, a first fixing member and a second fixing member, and the first fixing member and/or the second fixing member is fixed on the fixing base; the first fixing piece, the second fixing piece and the fixing seat are enclosed to form an injection cavity, the injection cavity is communicated with the overflowing hole, and the injector extends into the injection cavity and is arranged to inject fuel gas towards the overflowing hole; the surface of the first fixing piece is provided with an air inlet communicated with the injection cavity.

In some embodiments, the first fixing member includes a first vertical plate and two first baffles located on two sides of the first vertical plate, the two first baffles are fixed on the fixing seat, and the air inlet is disposed on the first baffles.

In some embodiments, the second fixing member includes a second vertical plate and two second baffle plates respectively located at the top end and the bottom end of the second vertical plate, and both the two second baffle plates are fixed on the fixing seat; the second vertical plate is arranged between the two first baffle plates, and the second vertical plate, the two first baffle plates, the two second baffle plates and the fixing seat are enclosed to form the injection cavity.

In some embodiments, the fire holes are elongated, the length direction of the fire holes is perpendicular to the axial direction of the combustion tube, and the fire holes in all the fire hole groups are arranged in a row along the axial direction of the combustion tube.

According to the utility model discloses a second aspect, the embodiment of the utility model provides a gas warmer, including foretell combustor.

The utility model discloses following beneficial effect has at least: the utility model discloses set up two rows of biography fire punch combination respectively in the both sides of fire punch combination to promote the effect of striking a fire in biography fire hole. Meanwhile, at least two fire transmitting holes in the fire transmitting hole groups are respectively positioned at the same position with at least one fire hole of two adjacent fire transmitting hole groups in the axial direction of the combustion pipe, and the fire transmitting holes can more quickly transmit flame to the adjacent fire holes, so that the flame stabilizing effect is achieved when the wind pressure is high or the pressure of a combustion cavity is high.

Drawings

Fig. 1 is a schematic structural diagram of a burner according to an embodiment of the present invention;

FIG. 2 is an enlarged schematic view at A in FIG. 1;

fig. 3 is a schematic cross-sectional view of a burner according to an embodiment of the present invention;

fig. 4 is an exploded view of a burner according to an embodiment of the present invention with a burner tube removed.

Wherein the reference numerals are: the burner 100, fire hole group 110, fire hole 111, fire hole group 120, fire hole 121, end cover 130, fixing base 200, fixed plate 210, connecting piece 220, first boss 221, second boss 222, draw and penetrate pipe 300, gas outlet 310, induction apparatus 400, draw and penetrate chamber 401, air inlet 402, first mounting 410, first riser 411, first baffle 412, mounting panel 413, second mounting 420, second riser 421, second baffle 422, ejector 430.

Detailed Description

The present disclosure provides the following description with reference to the accompanying drawings to assist in a comprehensive understanding of various embodiments of the disclosure as defined by the claims and their equivalents. The description includes various specific details to aid understanding, but such details are to be regarded as exemplary only. Accordingly, those of ordinary skill in the art will recognize that various changes and modifications of the various embodiments described herein can be made without departing from the scope and spirit of the present disclosure. Moreover, descriptions of well-known functions and constructions may be omitted for clarity and conciseness.

The terms and words used in the following description and claims are not limited to the literal meanings, but are used merely by the utility model to enable a clear and consistent understanding of the disclosure. Accordingly, it will be apparent to those skilled in the art that the following descriptions of the various embodiments of the present disclosure are provided for illustration only and not for the purpose of limiting the disclosure as defined by the appended claims and their equivalents.

The terms "having," "may have," "including," or "may include" used in various embodiments of the present disclosure indicate the presence of the respective functions, operations, elements, etc., disclosed, but do not limit additional one or more functions, operations, elements, etc. Furthermore, it is to be understood that the terms "comprises" or "comprising," when used in various embodiments of the present disclosure, are intended to specify the presence of stated features, integers, operations, elements, components, or groups thereof, but do not preclude the presence or addition of one or more other features, integers, operations, elements, components, or groups thereof.

Although terms such as "first" and "second" used in various embodiments of the present disclosure may modify various elements of the various embodiments, the terms do not limit the corresponding elements. For example, these terms do not limit the order and/or importance of the corresponding elements. These terms may be used to distinguish one element from another. For example, a first element could be termed a second element, and, similarly, a second element could be termed a first element, without departing from the scope of the various embodiments of the present disclosure.

It will be understood that when an element (e.g., a first element) is "connected" to another element (e.g., a second element), the element can be directly connected to the other element or intervening elements (e.g., a third element) may be present.

An embodiment of the present invention provides a burner, as shown in fig. 1-4, which includes a combustion tube 100, wherein the surface of the combustion tube 100 is provided with a plurality of fire hole groups 110 and a plurality of fire transfer hole groups 120 along the axial direction of the combustion tube 100, the fire transfer hole groups 120 are arranged into two rows along the axial direction of the combustion tube 100, and the fire hole groups 110 are located between the two rows of fire transfer hole groups 120. The fire hole group 110 includes a plurality of fire holes 111 arranged in the axial direction of the burner pipe 100, and the fire hole group 120 includes a plurality of fire holes 121 arranged in the axial direction of the burner pipe 100. The adjacent fire hole groups 110 are spaced by a preset distance, the adjacent fire hole groups 120 are also spaced by a certain distance, and a certain distance is respectively spaced between two adjacent fire holes 111 in the same fire hole group 110 and between two adjacent fire holes 121 in the same fire hole group 120. Generally, the spacing between adjacent fire hole groups 120 is greater than the spacing between two adjacent fire holes 121 in the same fire hole group 120, and the spacing between adjacent fire hole groups 110 is greater than the spacing between two adjacent fire holes 111 in the same fire hole group 110.

The gas can be sprayed out from the fire holes 111 and the fire transfer holes 121, the gas forms flames after being ignited, and the fire transfer holes 121 are used for transferring the flames, so that the flames can be transferred to the fire holes 111, and the gas sprayed out from the fire holes 111 is combusted. The flame propagation holes 121 are generally small in diameter, and may be provided as circular holes.

As shown in fig. 2, the fire hole groups 110 and the fire hole groups 120 are arranged in a staggered manner in the axial direction of the combustion tube 100, and at least two fire holes 121 in the fire hole group 120 are respectively located at the same position in the axial direction of the combustion tube 100 as at least one fire hole 111 of two adjacent fire hole groups 110, that is, at least one fire hole 121 in the fire hole group 120 is located at the same position in the axial direction of the combustion tube 100 as the fire hole 111 of one adjacent fire hole group 110, and at least one fire hole 121 in the fire hole group 120 is located at the same position in the axial direction of the combustion tube 100 as the fire hole 111 of the other adjacent fire hole group 110. The distance between the fire holes 111 and the fire transfer holes 112, which are located at the same position in the axial direction of the combustion tube 100, is closer, and the fire transfer holes 121 can more quickly transfer flame to the adjacent fire holes 111, so that the effect of stabilizing flame can be achieved when the air pressure is large or the pressure of the combustion chamber is large.

As shown in fig. 2, the fire hole group 110 of the present embodiment is provided with three fire holes 111 arranged in the axial direction of the burner tube 100, the fire hole group 120 is provided with three fire holes 121 arranged in the axial direction of the burner tube 100, and two fire holes 121 at both ends of the fire hole group 120 are respectively located at the same positions as the fire holes 111 of two adjacent fire hole groups 110 in the axial direction of the burner tube 100. Of course, the fire hole group 110 may be provided with other numbers of fire holes 111 and the fire transfer hole group 120 may be provided with other numbers of fire transfer holes 121 according to actual needs.

The fire hole 111 and the fire transfer hole 121 of the present embodiment may be formed by punching through a punching process, so that the manufacturing process of the burner is simpler and the manufacturing cost may be reduced.

In some embodiments, the fire holes 111 are elongated, and may be specifically configured as elongated rectangular holes, the length direction of the fire holes 111 is perpendicular to the axial direction of the combustion tube 100, and the fire holes 111 in all the fire hole groups 110 are arranged in a row along the axial direction of the combustion tube 100, so that the burner of this embodiment has a single row of fire holes 111, so that the flame height is low, the gas combustion is sufficient, and the smoke content can be reduced. The burner with the single row of fire holes 111 is particularly suitable for a gas warmer with a narrow width so as to reduce the space occupation.

In some embodiments, the burner further includes a fixing base 200, an injection pipe 300, and an injection device 400. The injection device 400, one end of the combustion tube 100 and one end of the injection tube 300 are all fixed on the fixing base 200, the other end of the combustion tube 100 is usually closed, and specifically, the other end of the combustion tube 100, which is far away from the fixing base 200, can be closed through the end cover 130. The injection pipe 300 is disposed parallel to the combustion pipe 100, and preferably may be disposed coaxially, so that the fuel gas is distributed more uniformly in the combustion pipe 100. The inner diameter of the combustion pipe 100 is larger than the inner diameter of the injection pipe 300, the injection pipe 300 is arranged in the combustion pipe 100, and a preset distance is reserved between the inner wall of the combustion pipe 100 and the outer wall of the injection pipe 300. The fixing seat 200 is provided with an overflowing hole penetrating through the fixing seat and communicated with the injection pipe 300, the injection device 400 is used for injecting fuel gas into the overflowing hole, and the fuel gas enters the injection pipe 300 through the overflowing hole.

In some embodiments, the circumferential surface and the end surface of one end of the injection pipe 300 away from the fixing base 200 are both provided with a plurality of gas outlets 310, gas can be ejected from the gas outlets 310 on the circumferential surface and can also be ejected from the gas outlets 310 on the end surface, and the gas ejected from the gas outlets 310 on the end surface can further flow along the axial direction of the combustion pipe 100, so that the gas is further uniformly diffused in the combustion pipe 100, thereby forming stable flame.

In some embodiments, the fixing base 200 includes a fixing plate 210 and a connecting member 220, the connecting member 220 is fixed to one side of the fixing plate 210, and the injection device 400 is disposed on the other side of the fixing plate 210. The overflowing hole penetrates through the fixing plate 210 and the connecting piece 220, and the combustion pipe 100 and the injection pipe 300 are both fixed on the connecting piece 220, so that the injection device 400 can inject fuel gas to the overflowing hole, and the fuel gas enters the injection pipe 300 through the overflowing hole. The combustion pipe 100 and the injection pipe 300 can be fixed on the connecting piece 220 in a welding mode, and the fixing mode is simpler.

In some embodiments, the connection element 220 includes a first protrusion 221 protruding from the surface of the fixing plate 210 and a second protrusion 222 protruding from the surface of the first protrusion 221, the flow passing hole sequentially penetrates through the fixing plate 210, the first protrusion 221 and the second protrusion 222, the outer diameter of the first protrusion 221 is greater than that of the second protrusion 222, the shapes of the first protrusion 221 and the second protrusion 222 are respectively matched with the combustion pipe 100 and the injection pipe 300, the first protrusion 221 may be oval, the second protrusion 222 may be circular, or both may be circular. The combustion pipe 100 is sleeved on the first boss 221, and the injection pipe 300 is sleeved on the second boss 222. The fixing mode enables the combustion pipe 100 and the injection pipe 300 to be fixed more stably, the combustion pipe 100 is kept relatively closed, and the mixed gas of gas and air is injected into the combustion pipe 100 only through the injection pipe 300 so as to avoid the influence of external airflow on the internal pressure of the combustion pipe 100.

In some embodiments, the injection device 400 includes an injector 430, a first fixing element 410 and a second fixing element 420, the first fixing element 410 and/or the second fixing element 420 may be fixed to the fixing plate 210, the first fixing element 410, the second fixing element 420 and the fixing plate 210 enclose to form an injection cavity 401, the injection cavity 401 is communicated with the flow passing hole, a through hole is provided on the first fixing element 410 and/or the second fixing element 420, the injector 430 may extend into the injection cavity 401 through the through hole, and the injector 430 is configured to inject fuel gas toward the flow passing hole, so that the fuel gas ejected from the injector 430 enters the injection cavity 401, and the fuel gas is ejected into the injection pipe 300 through the flow passing hole. The surface of the first fixing member 410 is provided with an air inlet 402 communicated with the ejector cavity 401, when gas is ejected from the ejector 430, due to large ejection pressure of the gas, a suction force is formed near the ejection port of the ejector 430, external air is sucked into the ejector cavity 401 through the air inlet 402, the air and the gas are fully premixed, and then are uniformly distributed and diffused into the combustion tube 100 through the ejector tube 300, and finally are discharged through the fire hole 111 and the fire transfer hole 121 and combusted.

In this embodiment, the air inlet 402 is used for regulating the proportion of air injected into the combustor, and the larger the opening of the air inlet 402 is, the more the injected air is, and the more or less the air is, which may affect the poor combustion condition, so the injection pipe 300 plays a role in stabilizing the combustion condition.

In some embodiments, the first fixing member 410 includes a first vertical plate 411 and two first blocking plates 412 respectively located at two sides of the first vertical plate 411, the two first blocking plates 412 may be disposed perpendicular to the first vertical plate 411, and the two first blocking plates 412 may be directly fixed to the fixing plate 210 or fixed to the fixing plate 210 through an intermediate member. For example, the mounting plates 413 can be fixed at the ends of the two first baffles 412 far away from the first riser 411, the two mounting plates 413 can be arranged in parallel with the first riser 411, and the two mounting plates 413 are fixed on the fixing plate 210. Therefore, a certain distance is formed between the first vertical plate 411 and the fixing plate 210 in this embodiment to form the injection cavity 401.

In some embodiments, the second fixing member 420 includes a second riser 421 and two second baffles 422 respectively located at top and bottom ends of the second riser 421, and the two second baffles 422 may be vertically disposed with the second riser 421. The two second baffle plates 422 can be directly fixed on the fixing plate 210, or the second baffle plates 422 can be fixed on the fixing plate 210 through an intermediate member in a manner similar to the fixing manner of the first baffle plate 412.

The second vertical plate 421 sets up between two first baffles 412 and can hug closely first vertical plate 411, and second vertical plate 421, two first baffles 412, two second baffles 422 and fixed plate 210 will enclose and close and form and draw and penetrate chamber 401. Can set up on first riser 411 and the second riser 421 with cross the corresponding through-hole of discharge orifice, ejector 430 can fix on first riser 411 to through-hole on first riser 411 and the second riser 421 stretches into in drawing penetrating chamber 401.

The embodiment of the utility model also provides a gas warmer, including the combustor of above-mentioned embodiment.

In some embodiments, the gas warmer is provided with a combustion chamber, the combustion pipe can be arranged in the combustion chamber, and the injection device can be fixed on the inner wall of the combustion chamber. The combustion chamber can be arranged in a sealing way relative to the outside, and only the bottom of the combustion chamber is provided with a plurality of air inlets for naturally sucking air from the air inlets due to pressure difference when the burner burns. The heat shields can be arranged on two sides of the combustor and used for insulating heat and guiding heat, so that the heat is transferred to the heat exchanger as far as possible. An ignition needle and a feedback needle can be arranged on two sides of the combustor, the ignition needle is used for automatic ignition, and the feedback needle is used for detecting the combustion condition of the combustor.

In some embodiments, the fire holes on the combustion tube may be arranged in a single row, which allows the combustion chamber to be made narrower than the same type of product, resulting in a relatively smaller overall width of the gas warmer. The combustor of this embodiment has the lower characteristics of burning flame, therefore the interval between combustor and the heat exchanger can be accomplished littleer to make the complete machine size littleer than other products on the market, in order to reduce the space and occupy.

The foregoing is a more detailed description of the present invention that is presented in conjunction with specific embodiments, and it is not to be understood that the specific embodiments of the present invention are limited to these descriptions. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement.

Claims (10)

1. A burner, characterized by: the combustion tube comprises a combustion tube, wherein a plurality of fire hole groups and a plurality of fire transfer hole groups are distributed on the surface of the combustion tube along the axial direction of the combustion tube, the fire transfer hole groups are arranged into two rows along the axial direction of the combustion tube, and the fire hole groups are positioned between the two rows of fire transfer hole groups; the fire hole group comprises a plurality of fire holes which are axially arranged along the combustion pipe, and the fire hole group comprises a plurality of fire holes which are axially arranged along the combustion pipe; the adjacent fire hole groups are spaced at a preset distance, the fire hole groups and the fire transfer hole groups are arranged in a staggered mode in the axial direction of the combustion pipe, and at least two fire transfer holes in the fire transfer hole groups are respectively located at the same position with at least one fire hole of the two adjacent fire hole groups in the axial direction of the combustion pipe.

2. The burner of claim 1, wherein: the burner also comprises a fixed seat, an injection pipe and an injection device; the injection device, one end of the combustion pipe and one end of the injection pipe are all fixed on the fixed seat; the ejection pipe is arranged in parallel with the combustion pipe, and the ejection pipe is arranged in the combustion pipe; the fixing seat is provided with an overflowing hole penetrating through the fixing seat and communicated with the injection pipe, and the injection device is used for injecting fuel gas to the overflowing hole.

3. The burner of claim 2, wherein: the peripheral surface and the end surface of one end of the injection pipe, which is far away from the fixed seat, are provided with a plurality of gas outlets.

4. The burner of claim 2, wherein: the fixed seat comprises a fixed plate and a connecting piece, the connecting piece is fixed on one side of the fixed plate, and the injection device is arranged on the other side of the fixed plate; the overflowing hole penetrates through the fixing plate and the connecting piece, and the combustion pipe and the injection pipe are both fixed on the connecting piece.

5. The burner of claim 4, wherein: the connecting piece comprises a first boss protruding out of the surface of the fixing plate and a second boss protruding out of the surface of the first boss, and the outer diameter of the first boss is larger than that of the second boss; the combustion pipe is sleeved on the first boss, and the injection pipe is sleeved on the second boss.

6. The burner of claim 2, wherein: the injection device comprises an injector, a first fixing piece and a second fixing piece, and the first fixing piece and/or the second fixing piece are/is fixed on the fixing base; the first fixing piece, the second fixing piece and the fixing seat are enclosed to form an injection cavity, the injection cavity is communicated with the overflowing hole, and the injector extends into the injection cavity and is arranged to inject fuel gas towards the overflowing hole; the surface of the first fixing piece is provided with an air inlet communicated with the injection cavity.

7. The burner of claim 6, wherein: the first fixing piece comprises a first vertical plate and two first baffles which are respectively positioned on two sides of the first vertical plate, the two first baffles are fixed on the fixing seat, and the air inlet is formed in the first baffles.

8. The burner of claim 6, wherein: the second fixing piece comprises a second vertical plate and two second baffle plates respectively positioned at the top end and the bottom end of the second vertical plate, and the two second baffle plates are fixed on the fixing seat; the second vertical plate is arranged between the two first baffle plates, and the second vertical plate, the two first baffle plates, the two second baffle plates and the fixing seat are enclosed to form the injection cavity.

9. The burner of any of claims 1-8, wherein: the fire holes are long-strip-shaped, the length direction of the fire holes is perpendicular to the axial direction of the combustion pipe, and the fire holes in all the fire hole groups are all arranged in a row along the axial direction of the combustion pipe.

10. A gas warmer is characterized in that: comprising a burner as claimed in any one of claims 1 to 9.

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