Anti-blocking direct injection fire cover and direct injection furnace end

Abstract

The anti-blocking direct-spraying fire cover comprises a fire cover body, a gas supplementing channel is arranged in the center of the fire cover body, a water discharging portion is arranged at the position, corresponding to the upper portion of the gas supplementing channel, of the fire cover body, and the vertical projection of the water discharging portion is arranged in the radial direction of the fire cover body. The lower sides of the head end and the tail end of the water discharging part are fixedly connected with the upper side of the fire cover body, by arranging the water discharging part, liquid dripping from the center position of the bottom of a pot on the upper portion can be guided to the upper side surface of the fire cover body through the water discharging part, and high temperature generated in the working process of the fire cover body can evaporate the liquid; the nozzle is prevented from being easily blocked, and the combustion effect of the furnace end is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of gas equipment, in particular to an anti-clogging direct-injection fire cover and a direct-injection burner head. Background Art

[0002] The fire cover is an important component of the direct injection burner. During the use of the direct injection burner, the pot above it is easy for the liquid to fall onto the straight nozzle of the direct injection burner due to overflowing, etc. For example, the patent document with announcement number CN220229142U discloses "a multi-head burner", and its specific content includes "the multi-head burner also includes a central fire cover installed on the central fire distribution cover seat, and a plurality of outer ring fire covers installed on the outer ring fire distribution cover seat, and the middle part of the central fire cover is penetrated from top to bottom to form an opening for connecting with the pressurized gas channel" (see paragraph

[0012] of the description of the comparative document for details).

[0003] Liquid can easily drip from the center of the bottom of the pot through the center fire cover and onto the nozzle. The nozzle can easily become clogged if used for a long time, reducing the combustion effect of the burner.

[0004] Therefore, further improvements are needed. Utility Model Content

[0005] The purpose of the utility model is to overcome the deficiencies of the above-mentioned prior art and to provide an anti-clogging direct-injection fire cover and a direct-injection burner head, which can effectively prevent the direct nozzle of the direct-injection burner head from being blocked and ensure the combustion effect of the direct-injection burner head.

[0006] The purpose of the utility model is achieved in this way:

[0007] A blockage-proof direct-spray fire cover comprises a fire cover body, an air supply channel is arranged at the center of the fire cover body, a water discharge part is arranged above the fire cover body corresponding to the air supply channel, the vertical projection of the water discharge part is arranged along the radial direction of the fire cover body, and the lower sides of the head and tail ends of the water discharge part are respectively connected and fixed to the upper side of the fire cover body.

[0008] As a specific solution, the center position of the water unloading part is convex upward, and the first and last sections of the water unloading part are arranged to be inclined outward and downward along the center position.

[0009] As a specific solution, a lower groove is provided on the upper side of the water unloading part, and the lower groove is arranged along the head and tail ends of the water unloading part.

[0010] As a specific solution, the water unloading portion is integrally formed with the fire cover body.

[0011] As a specific solution, the water unloading part and the fire cover main body are detachably connected to each other, a positioning mechanism is provided between the water unloading part and the fire cover main body, and the water unloading part and the fire cover main body are installed and connected through the positioning mechanism.

[0012] As a specific solution, the fire cover body is provided with a plurality of water unloading parts, and the different water unloading parts are rotationally symmetrical around the center position of the fire cover body.

[0013] As a specific solution, the upper side of the fire cover body is provided with a water collecting recessed step arranged along the circumferential direction, and the radial inner and outer sides of the fire cover body corresponding to the water collecting recessed step are respectively provided with an inner water retaining protrusion and an outer water retaining protrusion, and the lower sides of the head and tail ends of the water unloading part are respectively connected and fixed to the side of the inner water retaining protrusion facing the water collecting recessed step or the side of the outer water retaining protrusion facing the water collecting recessed step.

[0014] As a specific solution, a gas mixing chamber is provided in the fire cover body, and the gas mixing chamber is arranged circumferentially around the gas supply channel. A fire outlet hole is provided on the outer side of the fire cover body, and the fire outlet hole is connected to the gas mixing chamber.

[0015] A direct-injection burner head comprises a burner head body, the upper center position of the burner head body is connected and matched with an anti-clogging direct-injection fire cover, the burner head body is provided with an air replenishing cavity, the air replenishing cavity is sleeved and matched with the outer wall of an air replenishing channel, the burner head body is provided with a supporting part, and the peripheral lower side of the fire cover body is abutted and matched with the supporting part.

[0016] As a specific solution, a straight nozzle is provided on the burner body at a position corresponding to the lower part of the fire cover body, and the straight nozzle is connected and fixed to the fire cover body.

[0017] The beneficial effects of the utility model are:

[0018] By providing a water unloading part, liquid dripping from the center of the bottom of the upper pot can be guided to the upper surface of the fire cover body through the water unloading part. The high temperature generated during the operation of the fire cover body can evaporate the liquid, thereby preventing the straight nozzle of the burner from being blocked and improving the combustion effect of the burner.

[0019] Additional aspects and advantages of the present invention will become apparent in the following description or will be understood through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a cross-sectional schematic diagram of the first embodiment of the utility model.

[0021] Figure 2 It is a schematic structural diagram of the first embodiment of the utility model.

[0022] Figure 3 It is an enlarged view of point A of the first embodiment of the utility model. DETAILED DESCRIPTION

[0023] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0024] First embodiment

[0025] See also Figure 1-Figure 3 The anti-clogging direct-spray fire cover comprises a fire cover body 1, an air supply channel 11 is provided at the center of the fire cover body 1, a water discharge portion 2 is provided above the fire cover body 1 corresponding to the air supply channel 11, the vertical projection of the water discharge portion 2 is arranged along the radial direction of the fire cover body 1, and the lower sides of the head and tail ends of the water discharge portion 2 are respectively connected and fixed to the upper side of the fire cover body 1. By providing the water discharge portion 2, the liquid dripping from the center of the bottom of the upper pot can be guided to the upper surface of the fire cover body 1 through the water discharge portion 2, and the high temperature generated during the operation of the fire cover body 1 can evaporate the liquid, thereby playing an anti-clogging effect on the straight nozzle of the burner and improving the combustion effect of the burner.

[0026] Furthermore, the center position of the water unloading part 2 protrudes upward, and the first and last sections of the water unloading part 2 are inclined outward and downward along the center position, so that the liquid can be guided from the water unloading part 2 to the upper surface of the fire cover body 1 more easily and efficiently.

[0027] As an equivalent transformation, in other different embodiments, the water unloading part 2 can also be arranged horizontally, and its processing difficulty is relatively simpler.

[0028] Furthermore, a lower groove 21 is provided on the upper side of the water unloading part 2 , and the lower groove 21 is arranged along the head and tail ends of the water unloading part 2 to prevent liquid from overflowing from the water unloading part 2 and improve the stability of the water unloading part 2 in guiding liquid.

[0029] Furthermore, the water unloading portion 2 and the fire cover main body 1 are formed in one piece, thereby improving the structural strength between the water unloading portion 2 and the fire cover main body 1 .

[0030] Furthermore, a water collecting recess 12 is circumferentially arranged on the upper side of the fire cover main body 1, and an inner water retaining protrusion 13 and an outer water retaining protrusion 14 are respectively provided on the radial inner and outer sides of the fire cover main body 1 corresponding to the water collecting recess 12, and the lower sides of the head and tail ends of the water unloading part 2 are respectively connected and fixed to the side of the inner water retaining protrusion 13 facing the water collecting recess 12 or the side of the outer water retaining protrusion 14 facing the water collecting recess 12, so as to prevent liquid from overflowing from the upper side of the fire cover main body 1 to the peripheral position, and the heating time of the liquid on the upper surface of the fire cover main body 1 can be increased.

[0031] Furthermore, a gas mixing chamber 15 is provided in the fire cover body 1 , and the gas mixing chamber 15 is circumferentially arranged around the gas supply channel 11 . A fire outlet hole 16 is provided on the outer side of the fire cover body 1 , and the fire outlet hole 16 is communicated with the gas mixing chamber 15 .

[0032] The utility model also discloses a direct-injection burner head, comprising a burner head main body 3, the upper center position of the burner head main body 3 is connected and matched with an anti-clogging direct-injection fire cover, the burner head main body 3 is provided with an air replenishment cavity 31, the air replenishment cavity 31 is sleeved and matched with the outer wall of the air replenishment channel 11, the burner head main body 3 is provided with a supporting portion 32, the lower side of the periphery of the fire cover main body 1 is abutted and matched with the supporting portion 32, thereby simplifying the installation and connection structure of the burner head main body 3 and the fire cover main body 1.

[0033] Furthermore, a straight nozzle 4 is provided on the burner body 3 at a position corresponding to the position below the fire cover body 1 , and the straight nozzle 4 is connected and fixed to the fire cover body 1 .

[0034] Second embodiment

[0035] The difference between this embodiment and the first embodiment is that a plurality of water unloading portions 2 are provided on the fire cover main body 1 of the anti-clogging direct-spray fire cover, and the different water unloading portions 2 are rotationally symmetrical around the center position of the fire cover main body 1, so that the liquid can be more efficiently diverted to the upper surface of the fire cover main body 1 through the plurality of water unloading portions 2.

[0036] The remaining undescribed parts are the same as those of the first embodiment and will not be repeated here.

[0037] Third embodiment

[0038] The difference between this embodiment and the first embodiment is that the water unloading part 2 and the fire cover main body 1 of the anti-clogging direct-spray fire cover are detachably connected to each other, and a positioning mechanism is provided between the water unloading part 2 and the fire cover main body 1. The water unloading part 2 and the fire cover main body 1 are installed and connected through the positioning mechanism, which is convenient for the user to choose whether to install the water unloading part 2 according to actual needs. For example, when the fire cover main body 1 can be used with a general burner with an anti-dry burning function, the water unloading part 2 can be removed from the fire cover main body 1.

[0039] The positioning mechanism may be a plug-in structure between the fire cover body 1 and the water discharge part 2, which can be understood by those skilled in the art.

[0040] The above embodiments are only preferred embodiments of the present invention, and the present invention may have other embodiments. Those skilled in the art may make equivalent modifications or substitutions without violating the spirit of the present invention, and these equivalent modifications or substitutions are all within the scope set by the claims of this application.

Claims

1. An anti-clogging direct-spray fire cover, comprising a fire cover body (1), wherein a gas supply channel (11) is provided at the center of the fire cover body (1), characterized in that: A water discharge portion (2) is provided on the fire cover body (1) at a position above the air supply channel (11), the vertical projection of the water discharge portion (2) being arranged along the radial direction of the fire cover body (1), and the lower sides of the head and tail ends of the water discharge portion (2) are respectively connected and fixed to the upper side of the fire cover body (1).

2. The anti-clogging direct-spray fire cover according to claim 1, characterized in that: The central position of the water unloading portion (2) protrudes upwards, and the first and last sections of the water unloading portion (2) are arranged to be inclined outwards and downwards along the central position.

3. The anti-clogging direct-spray fire cover according to claim 1, characterized in that: A lower groove (21) is provided on the upper side of the water unloading portion (2), and the lower groove (21) is arranged along the head and tail ends of the water unloading portion (2).

4. The anti-clogging direct-spray fire cover according to claim 1, characterized in that: The water discharge portion (2) and the fire cover main body (1) are integrally formed.

5. The anti-clogging direct-spray fire cover according to claim 1, characterized in that: The water discharge part (2) and the fire cover main body (1) are detachably connected to each other, a positioning mechanism is provided between the water discharge part (2) and the fire cover main body (1), and the water discharge part (2) and the fire cover main body (1) are installed and connected via the positioning mechanism.

6. The anti-clogging direct-spray fire cover according to claim 1, characterized in that: The fire cover body (1) is provided with a plurality of water discharge parts (2), and the different water discharge parts (2) are rotationally symmetrical around the center position of the fire cover body (1).

7. The anti-clogging direct-spray fire cover according to claim 1, characterized in that: The upper side of the fire cover body (1) is provided with a water collecting concave step (12) arranged in the circumferential direction, and the fire cover body (1) is provided with an inner water retaining protrusion (13) and an outer water retaining protrusion (14) on radial inner and outer sides corresponding to the water collecting concave step (12), respectively, and the lower sides of the head and tail ends of the water discharge part (2) are respectively connected and fixed to the side of the inner water retaining protrusion (13) facing the water collecting concave step (12) or the side of the outer water retaining protrusion (14) facing the water collecting concave step (12).

8. The anti-clogging direct-spray fire cover according to claim 1, characterized in that: An air mixing chamber (15) is provided in the fire cover body (1), and the air mixing chamber (15) is arranged circumferentially around the air supply channel (11). A fire outlet hole (16) is provided on the outer side of the fire cover body (1), and the fire outlet hole (16) is communicated with the air mixing chamber (15).

9. A direct injection burner head, characterized in that: The invention comprises a burner head body (3), wherein the upper center position of the burner head body (3) is connected and matched with the anti-clogging direct-spraying fire cover according to any one of claims 1 to 8, the burner head body (3) is provided with an air replenishing cavity (31), the air replenishing cavity (31) is sleeved and matched with the outer wall of the air replenishing channel (11), the burner head body (3) is provided with a supporting portion (32), and the lower side of the periphery of the fire cover body (1) is abutted and matched with the supporting portion (32).

10. The direct injection burner according to claim 9, characterized in that: A straight nozzle (4) is provided on the burner head body (3) at a position corresponding to the bottom of the fire cover body (1), and the straight nozzle (4) is connected and fixed to the fire cover body (1).

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