Rich-thin burner fire grate and burner

Abstract

The utility model relates to the technical field of combustors, in particular to a rich-lean combustor fire grate and a combustor, which comprises a combustor body, an air inlet fan is arranged on one side of the combustor body, a linear module is fixedly connected to the inner side of the combustor body close to the air inlet fan, a screw is arranged in the linear module, and a threaded rod is arranged in the linear module. The outer surface of one end of the screw rod is in threaded connection with a first adjusting block, the outer surface of the other end of the screw rod is in threaded connection with a second adjusting block, and the top of the first adjusting block and the bottom of the second adjusting block are fixedly connected with connecting rods. The air inlet fan has the advantages that when the air inlet fan is used, the forward starting linear module can drive the two connecting rods to move leftwards, the top baffle gradually shields the air inlet fan on one side of the top, the bottom baffle gradually gets away from the air inlet fan on one side of the bottom, and the reverse starting linear module achieves a reverse state; the two baffles can be controlled through one linear module to control the air inflow of the two air inlet fans, and the purpose of convenient operation is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of burners, in particular to a thick-thin burner fire grate and a burner. Background Art

[0002] Rich-lean combustion is a technology that makes part of the fuel burn under insufficient air conditions and the other part of the fuel burn under excess air conditions. Currently, burners on the market usually use the rich-lean combustion method.

[0003] Rich-lean combustion requires that the two parts of fuel be burned in rich and lean combustion at the same time while keeping the total air volume unchanged in order to achieve the desired effect. It is rather troublesome to adjust the intake volume of the two intake holes separately. Utility Model Content

[0004] The purpose of the present invention is to solve at least one of the above technical deficiencies.

[0005] The purpose of the utility model is to overcome the shortcomings of the prior art, solve the problems mentioned in the background technology, and provide a thick-lean burner fire grate and a burner.

[0006] The purpose of the utility model is achieved through the following technical solutions: a thick-thin burner fire grate and a burner, comprising a burner body, an air intake fan is provided on one side of the burner body, a linear module is fixedly connected to the inner side of the burner body near the air intake fan, a screw is provided inside the linear module, a first adjustment block is threadedly connected to the outer surface of one end of the screw, a second adjustment block is threadedly connected to the outer surface of the other end of the screw, a connecting rod is fixedly connected to the top of the first adjustment block and the bottom of the second adjustment block, and a baffle is provided at the bottom end of the connecting rod;

[0007] The burner body is fixedly connected to the upper and lower sides near the baffle with positioning plates, the inner side of the positioning plate is provided with a slide groove, the baffle is slidably connected to the inside of the slide groove, one end of the connecting rod is threadedly connected to a screw, and the bottom of the connecting rod near the end of the screw is provided with a slot, one side of the top of the baffle is fixedly connected to a clamping block, the inside of the clamping block is provided with a threaded hole, the clamping block is clamped to the inside of the slot, and the screw is threadedly connected to the inside of the threaded hole.

[0008] Preferably, a combustion fire grate is provided on the top of the burner body, and support legs are welded at the four corners of the bottom of the burner body.

[0009] By adopting the above technical solution, the support legs are used to support the burner body.

[0010] Preferably, the first adjusting block and the second adjusting block have the same structure, the connecting rod is an L-rod, a connecting rod is welded on the top side of the first adjusting block, and a connecting rod is welded on the bottom side of the second adjusting block.

[0011] By adopting the above technical solution, two connecting rods in different reverse directions can shield the two air intake fans to different degrees through the baffle.

[0012] Preferably, the number of the air intake fans is two, one of which is located at the lower left corner of one side of the burner body, and the other of which is located at the upper right corner of one side of the burner body.

[0013] By adopting the above technical solution, the purpose of rich-lean combustion is achieved by controlling the air intake amount of the two intake fans.

[0014] Preferably, the baffle is a square plate, the size of the baffle is larger than the diameter of the air intake fan, and the bottom surface of the baffle is in contact with the inner wall of the burner body.

[0015] By adopting the above technical solution, the larger baffle can completely block the air intake fan.

[0016] Preferably, there are two positioning plates, which are respectively located on the upper and lower sides of the baffle, and the end of the sliding groove away from the connecting rod is in a closed state.

[0017] By adopting the above technical solution, one end of the internal sliding groove of the positioning plate is in a closed state, and the closed end of the sliding groove is used to limit the maximum moving distance of the baffle.

[0018] Compared with the prior art, the utility model has the following advantages:

[0019] 1. The rich-lean burner fire grate and burner are provided with a baffle, a screw is provided inside the linear module, the outer surface of one end of the screw is threadedly connected to the first adjusting block, and the outer surface of the other end of the screw is threadedly connected to the second adjusting block. The top of the first adjusting block and the bottom of the second adjusting block are fixedly connected to a connecting rod, and a baffle is provided at the bottom end of the connecting rod. When in use, the linear module is started in the forward direction to drive the two connecting rods to move to the left, the top baffle gradually blocks the air intake fan on the top side, and the bottom baffle gradually moves away from the air intake fan on the bottom side. The reverse start of the linear module achieves the opposite state. The two baffles can be controlled by one linear module to control the air intake volume of the two intake fans, thereby achieving the purpose of easy operation.

[0020] 2. The thick and thin burner fire grate and burner are provided with positioning plates. The upper and lower sides of the burner body near the baffle are fixedly connected with positioning plates. A sliding groove is provided on the inner side of the positioning plate. The baffle is slidably connected to the inside of the sliding groove. The end of the sliding groove away from the connecting rod is in a closed state. The closed end of the sliding groove is used to limit the maximum movement distance of the baffle. The setting of the slot and the block can complete the initial connection between the connecting rod and the baffle. The connection of the screw and the threaded hole can connect the connecting rod and the baffle into one. The split connecting rod and baffle can be convenient for subsequent maintenance or replacement. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a structural diagram of the utility model;

[0022] Figure 2 This is a schematic diagram of the installation structure of the linear module of the utility model;

[0023] Figure 3 This is a schematic diagram of the installation structure of the connecting rod of the utility model;

[0024] Figure 4 This is a structural diagram of the second regulating block of the present utility model;

[0025] Figure 5 This is a schematic structural diagram of the baffle of the utility model;

[0026] Figure 6 This is a structural diagram of the positioning plate of the utility model.

[0027] In the figure: 1-burner body, 2-inlet fan, 3-linear module, 4-first adjustment block, 5-second adjustment block, 6-connecting rod, 7-baffle, 8-positioning plate, 9-slide, 10-screw, 11-slot, 12-block, 13-threaded hole, 14-combustion fire grate, 15-support leg. DETAILED DESCRIPTION

[0028] Additional aspects and advantages of the present invention will be further described below in conjunction with the accompanying drawings, and some will become apparent from the following description or be learned through practice of the present invention.

[0029] like Figure 1-3 As shown, a thick-thin burner fire grate and burner include a burner body 1, two air intake fans 2 are installed on one side of the burner body 1, a linear module 3 is installed on the inner side of the burner body 1 near the air intake fan 2, a screw is provided inside the linear module 3, a first adjustment block 4 is threadedly connected to the outer surface of one end of the screw, and a second adjustment block 5 is threadedly connected to the outer surface of the other end of the screw, a connecting rod 6 is welded to the top of the first adjustment block 4 and the bottom of the second adjustment block 5, and a baffle 7 is installed at the bottom end of the connecting rod 6.

[0030] With the above arrangement, when in use, the forward start of the linear module 3 can drive the two connecting rods 6 to move to the left, and the top baffle 7 gradually blocks the air intake fan 2 on the top side, and the bottom baffle 7 gradually moves away from the air intake fan 2 on the bottom side. The reverse start of the linear module 3 achieves the opposite state. The two baffles 7 can be controlled by one linear module 3 to control the air intake amount of the two air intake fans 2, thereby achieving the purpose of easy operation.

[0031] like Figure 3-6 As shown, positioning plates 8 are welded to the upper and lower sides of the burner body 1 near the baffle 7, a slide groove 9 is provided on the inner side of the positioning plate 8, the baffle 7 is slidably connected to the inside of the slide groove 9, one end of the connecting rod 6 is threadedly connected to a screw 10, a clamping groove 11 is provided at the bottom of the connecting rod 6 near the end of the screw 10, a clamping block 12 is welded to one side of the top of the baffle 7, a threaded hole 13 is provided inside the clamping block 12, the clamping block 12 is clamped to the inside of the clamping groove 11, and the screw 10 is threadedly connected to the inside of the threaded hole 13;

[0032] Through the above arrangement, the closed end of the chute 9 is used to limit the maximum moving distance of the baffle 7. The arrangement of the card slot 11 and the card block 12 can complete the preliminary connection between the connecting rod 6 and the baffle 7. The connection between the screw 10 and the threaded hole 13 can connect the connecting rod 6 and the baffle 7 as one. The split connecting rod 6 and the baffle 7 can facilitate subsequent maintenance or replacement.

[0033] As a preferred technical solution of the present invention, a combustion fire grate 14 is provided on the top of the burner body 1 , and support legs 15 are welded at the four corners of the bottom of the burner body 1 .

[0034] As an optimal technical solution of the present invention, the first adjusting block 4 and the second adjusting block 5 have the same structure, the connecting rod 6 is an L rod, the connecting rod 6 is welded on the top side of the first adjusting block 4, and the connecting rod 6 is welded on the bottom side of the second adjusting block 5.

[0035] As a preferred technical solution of the present invention, there are two air intake fans 2 , one air intake fan 2 is located at the lower left corner of one side of the burner body 1 , and the other air intake fan 2 is located at the upper right corner of one side of the burner body 1 .

[0036] As a preferred technical solution of the present invention, the baffle 7 is a square plate, the size of the baffle 7 is larger than the diameter of the air intake fan 2, and the bottom surface of the baffle 7 is in contact with the inner wall of the burner body 1.

[0037] As a preferred technical solution of the present invention, there are two positioning plates 8, which are respectively located on the upper and lower sides of the baffle 7, and the end of the slide groove 9 away from the connecting rod 6 is in a closed state.

[0038] The working process of this utility model is as follows:

[0039] The arrangement of S1, the card slot 11 and the card block 12 can complete the preliminary connection between the connecting rod 6 and the baffle 7, and the connection between the screw 10 and the threaded hole 13 can connect the connecting rod 6 and the baffle 7 into one;

[0040] S2. The linear module 3 is started forward to drive the two connecting rods 6 to move to the left. The top baffle 7 gradually blocks the air intake fan 2 on the top side, and the bottom baffle 7 gradually moves away from the air intake fan 2 on the bottom side.

[0041] S3, reversely starting the linear module 3 to achieve the opposite state, and the two baffles 7 can be controlled by one linear module 3 to control the air intake amount of the two intake fans 2.

[0042] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A thick-thin burner fire grate and burner, characterized by: The burner comprises a burner body (1), an air intake fan (2) is provided on one side of the burner body (1), a linear module (3) is fixedly connected to the inner side of the burner body (1) near the air intake fan (2), a screw is provided inside the linear module (3), a first adjustment block (4) is threadedly connected to the outer surface of one end of the screw, a second adjustment block (5) is threadedly connected to the outer surface of the other end of the screw, a connecting rod (6) is fixedly connected to the top of the first adjustment block (4) and the bottom of the second adjustment block (5), and a baffle (7) is provided at the bottom end of the connecting rod (6); The burner body (1) is fixedly connected to positioning plates (8) on both upper and lower sides near the baffle (7), a slide groove (9) is provided on the inner side of the positioning plate (8), and the baffle (7) is slidably connected to the inside of the slide groove (9), one end of the connecting rod (6) is threadedly connected to a screw (10), and a clamping groove (11) is provided at the bottom of the connecting rod (6) near one end of the screw (10), and a clamping block (12) is fixedly connected to one side of the top of the baffle (7), and a threaded hole (13) is provided inside the clamping block (12), and the clamping block (12) is clamped to the inside of the clamping groove (11), and the screw (10) is threadedly connected to the inside of the threaded hole (13).

2. A rich-lean burner fire grate and burner according to claim 1, characterized in that: A combustion fire grate (14) is provided on the top of the burner body (1), and support legs (15) are welded at the four corners of the bottom of the burner body (1).

3. The rich-lean burner fire grate and burner according to claim 1, characterized in that: The first adjustment block (4) and the second adjustment block (5) have the same structure, the connecting rod (6) is an L-rod, a connecting rod (6) is welded to one side of the top of the first adjustment block (4), and a connecting rod (6) is welded to one side of the bottom of the second adjustment block (5).

4. The rich-lean burner fire grate and burner according to claim 1, characterized in that: There are two air intake fans (2), one of which is located at the lower left corner of one side of the burner body (1), and the other of which is located at the upper right corner of one side of the burner body (1).

5. The rich-lean burner fire grate and burner according to claim 1, characterized in that: The baffle (7) is a square plate, the size of the baffle (7) is larger than the diameter of the air intake fan (2), and the bottom surface of the baffle (7) is in contact with the inner wall of the burner body (1).

6. The rich-lean burner fire grate and burner according to claim 1, characterized in that: There are two positioning plates (8), which are respectively located on the upper and lower sides of the baffle (7), and the end of the sliding groove (9) away from the connecting rod (6) is in a closed state.

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