Burner with variable-diameter nozzle

Abstract

The utility model relates to the technical field of furnace burner structures, and provides a burner with a variable-diameter nozzle, which comprises a burner body, the burner body is provided with a plurality of first chutes, and the first chutes are circumferentially distributed along the center of the burner body; the upper surfaces of the sliding blocks are provided with first protrusions, and the lower surfaces of the sliding blocks are provided with second protrusions. The rotating disc is arranged on the burner body in a relatively rotating mode, the rotating disc is provided with a plurality of second sliding grooves which are circumferentially distributed along the center of the rotating disc, and the rotating disc drives the sliding blocks to be close to or away from each other after rotating. By means of the technical scheme, the problems that in the prior art, in the prior art, in the early stage of furnace combustion, the flame power is large, the temperature in the furnace rises fast, but large power is not needed after the temperature reaches the requirement, and in the prior art, by reducing the gas and air introduction rate, generated flames are blurred and float, and the energy consumption is low are solved. And the efficiency is influenced by unstable flame.

Description

Technical Field

[0001] The utility model relates to the technical field of furnace burner structure, in particular to a burner with a variable-diameter nozzle. Background Art

[0002] A furnace is a device used to heat objects at high temperatures, usually for industrial applications such as melting metals, firing ceramics, and making glass. Several burners are evenly arranged in the furnace. In the early stage of combustion, the gas and air are introduced at a high rate, the combustion power is large, and the temperature rises quickly. However, after the temperature reaches a certain level, a large combustion power is not required. The existing technology is to reduce the gas and air introduction rate. However, after reducing the gas and air introduction rate, the flame will become weak and floating, which will have an adverse effect on the workpiece and affect efficiency. Utility Model Content

[0003] The utility model proposes a burner with a variable diameter nozzle, which solves the problem in the related technology that in the early stage of furnace combustion, the flame power is relatively large and the temperature in the furnace rises quickly, but after the temperature reaches the required level, no large power is required. The existing technology reduces the rate of introduction of fuel gas and air, but the generated flame will be weak and floating, resulting in unstable flame and affecting efficiency.

[0004] The technical solution of the utility model is as follows:

[0005] The burner with a variable diameter nozzle is used to spray gas to heat the inside of the furnace, including:

[0006] A burner body, wherein the burner body has a plurality of first slide grooves, and the first slide grooves are arranged along the central circumference of the burner body;

[0007] Sliding blocks, the number of the sliding blocks is several, the upper surface of the sliding block has a first protrusion, the first protrusion is slidably arranged in the first sliding groove, and the lower surface of the sliding block has a second protrusion;

[0008] A rotating disk is relatively rotatably arranged on the burner body, the rotating disk has a plurality of second slide grooves, the second slide grooves are arranged along the central circumference of the rotating disk, the second protrusions are slidably arranged in the second slide grooves, and after the rotating disk rotates, the plurality of sliding blocks are driven to approach or move away from each other.

[0009] Optionally, it also includes:

[0010] The rotating shell is fixedly arranged in the rotating disk.

[0011] Optionally, it also includes:

[0012] A handle is fixedly arranged on the outside of the rotating shell and is used to drive the rotating shell to rotate.

[0013] Optionally, the burner body, the rotating disk and the rotating shell are all circular in cross-section.

[0014] Optionally, the handle has gear teeth on the inner side, and further comprises:

[0015] A driving member, wherein the driving member is fixedly arranged on the burner body and is located outside the furnace;

[0016] A screw rod, the screw rod is drivingly connected to the driving member, and the screw rod passes through the outer wall of the kiln;

[0017] A transmission gear is fixedly arranged at one end of the screw rod and is transmission-connected to the gear teeth.

[0018] Optionally, the upper surface of the sliding block abuts against the burner body, and the lower surface of the sliding block abuts against the rotating disk.

[0019] Optionally, a gas channel is formed between the sliding blocks.

[0020] The working principle and beneficial effects of the utility model are:

[0021] 1. In the utility model, in order to solve the problem that in the early stage of furnace combustion in the related technology, the flame power is relatively large and the temperature in the furnace rises quickly, but after the temperature reaches the requirement, a large power is not needed. The existing technology is to reduce the gas and air introduction rate, but the generated flame will be weak and floating, which will cause the flame instability and affect the efficiency. A burner with a variable diameter nozzle is installed inside the furnace, and the burner body is installed in the furnace, and the end away from the nozzle extends out of the furnace. There are a number of first slide grooves on the burner body, and the first slide grooves are arranged along the central circumference of the burner body; the burner with a variable diameter nozzle also includes a sliding block, the upper surface of the sliding block has a first protrusion, and the lower surface of the sliding block has a second protrusion, and the first protrusion slides in the first slide groove; it also includes a rotating disk, the rotating disk has a number of second slide grooves, and the second slide grooves are arranged along the central circumference of the rotating disk; when the rotating disk rotates, it will drive the sliding blocks to move away from or close to each other, so as to achieve nozzle diameter change. It can effectively solve the problem that the flame will be weak and floating after the furnace temperature reaches the standard and the power is reduced.

[0022] Specifically, in order to solve the problem in the related technology that in the early stage of furnace combustion, the flame power is relatively large and the temperature in the furnace rises quickly, but after the temperature reaches the requirement, a large power is not needed. The existing technology is to reduce the gas and air introduction rate, but the generated flame will be weak and floating, which will affect the efficiency. Use a burner with a variable diameter nozzle, through the first protrusion on the sliding block sliding in the first slide groove on the burner body, and the second protrusion on the sliding block sliding in the second slide groove on the rotating disk to achieve when the rotating disk rotates, the sliding blocks will move closer or farther from each other, thereby realizing the nozzle diameter change. It can effectively solve the problem that the flame will be weak and floating after the furnace temperature reaches the standard and the power is reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The preferred implementation modes will be described below in a clear and understandable manner with reference to the accompanying drawings to further illustrate the above-mentioned characteristics, technical features, advantages and implementation methods of the present utility model.

[0024] Figure 1 It is a schematic diagram of the structure of the utility model;

[0025] Figure 2 It is a side view of the utility model;

[0026] Figure 3 This is a schematic diagram of the nozzle seal of the utility model;

[0027] Figure 4 This is a schematic diagram of opening the nozzle of the utility model;

[0028] Figure 5 This is a schematic diagram of the sliding block of the utility model;

[0029] Figure 6 This is a schematic diagram of the rotating disk of the utility model;

[0030] In the figure: 1, furnace, 2, burner body, 201, first slide groove, 3, sliding block, 301, first protrusion, 302, second protrusion, 4, rotating disk, 401, second slide groove, 5, rotating shell, 8, handle, 801, gear teeth, 9, driving member, 10, screw rod, 11, transmission gear. DETAILED DESCRIPTION

[0031] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the specific implementation methods of the utility model will be described below with reference to the accompanying drawings. Obviously, the accompanying drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings and other implementation methods can be obtained based on these drawings without creative work.

[0032] In order to simplify the drawings, only the parts related to the utility model are schematically shown in each figure, and they do not represent the actual structure of the product. In addition, in order to simplify the drawings and facilitate understanding, in some figures, only one of the parts with the same structure or function is schematically shown, or only one of them is marked. In this article, "one" not only means "only one", but also means "more than one", and "several" includes "two" and "more than two".

[0033] In this article, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this utility model can be understood according to specific circumstances.

[0034] In addition, in the description of the present application, the terms "first", "second", etc. are only used to distinguish the description and cannot be understood as indicating or implying relative importance.

[0035] Reference Figure 1 to Figure 6 , which is the first embodiment of the utility model, proposes a burner with a variable diameter nozzle, which is used to spray gas to heat the inside of the furnace 1, including a burner body 2, the burner body 2 has a plurality of first slide grooves 201, and the first slide grooves 201 are arranged along the central circumference of the burner body 2; a plurality of sliding blocks 3, the upper surface of the sliding block 3 has a first protrusion 301, the first protrusion 301 is slidably set in the first slide groove 201, and the lower surface of the sliding block 3 has a second protrusion 302; the rotating disk is relatively rotatably set on the burner body, the rotating disk 4 has a plurality of second slide grooves 401, the second slide grooves 401 are arranged along the central circumference of the rotating disk 4, the second protrusion 302 is slidably set in the second slide groove 401, and after the rotating disk 4 rotates, it drives the plurality of sliding blocks 3 to move closer to or away from each other.

[0036] In this embodiment, in order to solve the problem that in the early stage of combustion of the furnace 1 in the related art, the flame power is relatively large, the temperature in the furnace rises quickly, but after the temperature reaches the requirement, a large power is not required. The existing technology is to reduce the rate of introduction of gas and air, but the generated flame will be weak and floating, which will affect the efficiency. A burner with a variable diameter nozzle is installed inside the furnace 1, and the burner body 2 is installed in the furnace 1, and the end away from the nozzle extends out of the furnace 1. The burner body 2 has a number of first chutes 201, and the first chutes 201 are arranged along the central circumference of the burner body 2; the burner with a variable diameter nozzle also includes a sliding block 3, the upper surface of the sliding block 3 has a first protrusion 301, the lower surface of the sliding block 3 has a second protrusion 302, and the first protrusion 301 slides in the first chutes 201; it also includes a rotating disk 4, the rotating disk 4 has a number of second chutes 401, and the second chutes 401 are arranged along the central circumference of the rotating disk 4; when the rotating disk 4 rotates, it will drive the sliding blocks 3 to move away from or close to each other, thereby realizing the nozzle diameter change. It can effectively solve the problem that the flame becomes weak and floating after the furnace 1 temperature reaches the standard and the power is reduced.

[0037] Specifically, in order to solve the problem that in the initial stage of combustion of the furnace 1 in the related technology, the flame power is relatively large and the temperature in the furnace rises quickly, but after the temperature reaches the requirement, a large power is not needed. The existing technology is to reduce the rate of gas and air introduction, but the generated flame will be weak and floating, which will affect the efficiency. Use a burner with a variable diameter nozzle, through the first protrusion 301 on the sliding block 3 sliding in the first slide groove 201 on the burner body 2, and the second protrusion 302 on the sliding block 3 sliding in the second slide groove 401 on the rotating disk 4 to achieve that when the rotating disk 4 rotates, the sliding blocks 3 will move closer or farther from each other, thereby realizing the nozzle diameter change. It can effectively solve the problem that the flame will be weak and floating after the furnace 1 temperature reaches the standard and the power is reduced.

[0038] Furthermore, it also includes a rotating shell 5 , in which the rotating disk 4 is fixedly disposed.

[0039] In this embodiment, the rotating disk 4 is fixedly arranged inside the rotating shell 5, and the rotating shell 5 can facilitate the rotation of the rotating disk 4, which is convenient for operation.

[0040] Furthermore, it also includes a handle 8, which is fixedly arranged on the outside of the rotating shell 5 and is used to drive the rotating shell 5 to rotate.

[0041] In this embodiment, the handle 8 is fixedly arranged on the outside of the rotating shell 5 to facilitate the rotation of the rotating shell 5.

[0042] Furthermore, the cross sections of the burner body 2, the rotating disk 4 and the rotating shell 5 are all circular.

[0043] In this embodiment, the cross-sections of the burner body 2, the rotating disk 4 and the rotating shell 5 are all circular, which facilitates mutual abutment and rotation.

[0044] Furthermore, the handle 8 has gear teeth 801 on the inner side, and also includes a driving member 9, which is fixedly arranged on the burner body 2 and located outside the furnace 1; the screw 10 is transmission-connected to the driving member, and the screw 10 passes through the outer wall of the furnace 1; the transmission gear 11 is fixedly arranged at one end of the screw 10, and the transmission gear 11 is transmission-connected to the gear teeth 801.

[0045] In this embodiment, there is a gear 801 on the inner side of the handle 8; the burner with a variable diameter nozzle also includes a driving member 9 fixedly arranged on the burner body 2, and the driving member 9 is located outside the furnace 1; the screw 10 is connected to the driving member 9 in transmission and passes through the outer wall of the furnace 1; the transmission gear 11 is fixed to one end of the screw 10; when the driving member 9 rotates, the transmission gear 11 is driven to rotate through the screw 10, and the transmission gear 11 drives the gear 801 to rotate, so that the driving member 9 drives the rotating shell 5 to rotate, and the effect of reducing the diameter of the burner is achieved.

[0046] Furthermore, the upper surface of the sliding block 3 abuts against the burner body 2 , and the lower surface of the sliding block 3 abuts against the rotating disk 4 .

[0047] In this embodiment, the upper surface of the sliding block 3 abuts against the burner body 2, and the lower surface of the sliding block 3 abuts against the rotating disk 4, so that the structure is more complete and stable, and the life and rationality of the structure are improved.

[0048] Furthermore, a gas channel is formed between the sliding blocks 3 .

[0049] In this embodiment, a gas channel is formed between the sliding blocks, which can play a role in guiding and gathering gas.

[0050] It should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A burner with a variable diameter nozzle for spraying gas to heat the interior of a furnace (1), characterized in that: include: A burner body (2), the burner body (2) having a plurality of first slide grooves (201), the first slide grooves (201) being arranged along the central circumference of the burner body (2); A sliding block (3), wherein the sliding blocks (3) are provided in a plurality of numbers, the upper surface of the sliding block (3) having a first protrusion (301), the first protrusion (301) being slidably disposed in the first sliding groove (201), and the lower surface of the sliding block (3) having a second protrusion (302); A rotating disk (4) is arranged on the burner body to rotate relatively, the rotating disk (4) having a plurality of second slide grooves (401), the second slide grooves (401) being arranged along the central circumference of the rotating disk (4), the second protrusions (302) being slidably arranged in the second slide grooves (401), and the rotating disk (4) drives the plurality of sliding blocks (3) to move closer to or farther from each other after rotating.

2. The burner with a variable diameter nozzle according to claim 1, characterized in that: Also includes: A rotating shell (5), wherein the rotating disk (4) is fixedly arranged in the rotating shell (5).

3. The burner with a variable diameter nozzle according to claim 2, characterized in that: Also includes: A handle (8), wherein the handle (8) is fixedly arranged on the outside of the rotating shell (5) and is used to drive the rotating shell (5) to rotate.

4. The burner with a variable diameter nozzle according to claim 3, characterized in that: The burner body (2), the rotating disk (4) and the rotating shell (5) all have circular cross-sections.

5. The burner with a variable diameter nozzle according to claim 4, characterized in that: The handle (8) has gear teeth (801) on the inner side, and further comprises: A driving member (9), the driving member (9) being fixedly arranged on the burner body (2), and the driving member (9) being located outside the furnace (1); A screw (10), the screw (10) being drivingly connected to the driving member, the screw (10) passing through the outer wall of the furnace (1); A transmission gear (11), wherein the transmission gear (11) is fixedly arranged at one end of the screw rod (10), and the transmission gear (11) is in transmission connection with the gear teeth (801).

6. The burner with a variable diameter nozzle according to claim 1, characterized in that: The upper surface of the sliding block (3) abuts against the burner body (2), and the lower surface of the sliding block (3) abuts against the rotating disk (4).

7. The burner with a variable diameter nozzle according to claim 1, characterized in that: A gas channel is formed between the sliding blocks (3).

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