A burner with high-efficiency air and gas premixing assembly

Abstract

The present invention discloses a burner with a high-efficiency air and gas premixing component, comprising a burner body, a premixing valve body is arranged on the burner body, two mixing chambers are arranged in the premixing valve body, a rotating pushing piston component for rotatingly pushing out the gas inside the two mixing chambers is arranged between the two mixing chambers, the burner mixes the gas and air through the two premixing chambers, and the mixing effect is more obvious through the rotation of the stirring blades and the compression of the gas during the mixing process, and a valve is automatically closed or opened for the corresponding chamber, so that the corresponding chamber stops sending air and gas when sending out the mixed gas, thereby ensuring the mixing quality and having a simple structure, the two chambers compress and stir the air and gas in turn, and while improving the mixing effect, the continuous output of the mixed gas can be ensured, thereby improving the utilization rate of the gas and reducing the waste of the gas.

Description

Technical Field

[0001] The invention relates to a burner, in particular to a burner with a high-efficiency air and gas premixing component. Background Art

[0002] When using a burner, a large amount of air is required for assistance, otherwise poor ventilation will result in incomplete combustion, which is more obvious when the use is increased. This will lead to reduced thermal efficiency, and most of the gas that cannot be burned will be wasted. Therefore, how to improve the combustion rate of gas and save energy becomes a problem that needs to be solved. It is necessary to design a structure that improves the pre-mixing of gas and air so that the gas can be fully mixed with air before combustion for better effect.

[0003] Therefore, the existing burners need to be further improved. Summary of the invention

[0004] The purpose of the present invention is to provide a burner with a high-efficiency air and gas premixing component, which can improve the mixing effect of gas and air, improve the efficiency through the combustion of the mixed gas, and achieve higher energy utilization.

[0005] In order to achieve the above object, the present invention adopts the following scheme:

[0006] A burner with a high-efficiency air and gas premixing assembly comprises a burner body, a premixing valve body is arranged on the burner body, two mixing chambers are arranged in the premixing valve body, a rotating pushing piston assembly for alternately pushing out the gas inside the two mixing chambers is arranged between the two mixing chambers, a gas delivery structure is arranged between the two mixing chambers, an air delivery structure is arranged between the two mixing chambers, an alternating control valve assembly for alternately disconnecting or connecting one of the mixing chambers is arranged in the air delivery structure and the gas delivery structure, a driving assembly for controlling the reciprocating movement of the rotating pushing piston assembly is arranged on the burner body, a state switching connection assembly for controlling the operation of the alternating control valve assembly is arranged between the driving assembly and the alternating control valve assembly, a mixing rotating stirring blade is arranged in the mixing chamber, a rotating linkage assembly is arranged between the mixing rotating stirring blade and the rotating pushing piston assembly, a mixed gas delivery pipe is connected between the burner body and the premixing valve body, and a check valve is arranged on the mixed gas delivery pipe.

[0007] Furthermore, the rotating pushing piston assembly includes a push plate structure arranged in the mixing chamber, a push shaft hole is arranged between the two mixing chambers, a connecting shaft is movably arranged in the push shaft hole, and both ends of the connecting shaft are respectively connected to the push plate structure on the corresponding side.

[0008] Furthermore, the gas delivery structure comprises two gas inlet holes arranged on a side wall of one side of the mixing chamber, and a gas delivery pipe is arranged between the two gas inlet holes for communication.

[0009] Furthermore, the air delivery structure includes two air inlet holes arranged on the side wall of the other side of the mixing chamber, an air delivery pipe is arranged between the two air inlet holes for communication, and the air delivery pipe is connected to a blower.

[0010] Further, the alternating control valve assembly comprises a rotating shaft mounting seat arranged on both sides of the premixing valve body, and an adjusting shaft is rotatably mounted in the rotating shaft mounting seats on both sides, and a connecting hole is respectively arranged at both ends of the adjusting shaft, and the axes of the connecting holes at both ends are arranged perpendicular to each other;

[0011] The connecting hole on the adjusting shaft on one side can connect or close the gas inlet hole;

[0012] The communicating hole on the adjusting shaft on the other side can communicate with or close the air inlet hole.

[0013] Furthermore, when one of the communicating holes is connected to the gas inlet hole on the corresponding side, the other communicating hole closes the gas inlet hole on the corresponding side;

[0014] When one of the communicating holes is connected to the air inlet hole on the corresponding side, the other communicating hole closes the air inlet hole on the corresponding side.

[0015] Furthermore, the drive assembly includes a push rod motor arranged at the bottom of the burner body, the premixing valve body is wrapped with a control frame, the control frame and the output end of the push rod motor are fixedly connected, the outer end of the mixing chamber is provided with a plurality of axial hole structures, a connecting shaft body is movably arranged in the axial hole structure, one end of the connecting shaft body is fixedly connected to the control frame, and the other end is fixedly connected to the push plate structure.

[0016] Further, the state switching connection assembly includes a driving groove arranged on the outer wall of the circumference of the adjusting shaft, and a driving shaft is arranged on the inner side of the control frame, and the driving shaft is movably inserted into the driving groove on the corresponding side;

[0017] Whenever the control frame reciprocates to one end position, the drive slot cooperates with the drive shaft to enable the adjustment shaft to rotate 90°.

[0018] Furthermore, the driving groove includes four axial straight grooves, and the four axial straight grooves are evenly distributed around the circumferential outer wall of the adjusting shaft. The four axial straight grooves are connected in series back and forth by four unidirectional connecting grooves.

[0019] Furthermore, the rotary linkage assembly includes a screw hole arranged at the axis of the mixing rotary stirring blade, and a central screw is arranged between the control frame and the push plate structure, and the central screw is inserted into the screw hole and threadedly connected.

[0020] In summary, the present invention has the following beneficial effects compared with the prior art:

[0021] The present invention solves the shortcomings of the existing burners. Through the structural setting of the present invention, it has the following advantages: the burner mixes the gas and air through two pre-mixing chambers, and during the mixing process, the mixing effect is more obvious through the rotation of the stirring blades and the compression of the gas, and a valve is provided for automatically closing or opening the corresponding chamber, so that the corresponding chamber stops sending air and gas when sending out the mixed gas; the mixing quality is guaranteed, and the structure is simple. The two chambers compress and stir the air and gas in turn, which improves the mixing effect and can also ensure the continuous output of the mixed gas, thereby improving the utilization rate of the gas and reducing the waste of the gas. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a structural schematic diagram of the present invention;

[0023] Figure 2 One of the three-dimensional diagrams of the present invention;

[0024] Figure 3 This is the second stereogram of the present invention;

[0025] Figure 4 This is the third stereogram of the present invention;

[0026] Figure 5 It is a schematic diagram of the internal structure of the present invention;

[0027] Figure 6 It is one of the parts diagrams of the present invention;

[0028] Figure 7 This is the second part diagram of the present invention;

[0029] Figure 8 It is the third part diagram of the present invention;

[0030] Fig. 9 It is the fourth of the parts diagram of the present invention. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0032] See also Figure 1-9 The present invention provides a burner with a high-efficiency air and gas premixing assembly, comprising a burner body 1, a premixing valve body 2 is arranged on the burner body 1, two mixing chambers 3 are arranged in the premixing valve body 2, a piston assembly 4 for alternately pushing out the internal gas of the two mixing chambers 3 is arranged between the two mixing chambers 3, a gas delivery structure 5 is arranged between the two mixing chambers 3, an air delivery structure 6 is arranged between the two mixing chambers 3, and a valve for alternately disconnecting or connecting one of the mixing chambers 3 is arranged in the air delivery structure 6 and the gas delivery structure 5. An alternating control valve assembly 7, a drive assembly 8 for controlling the reciprocating movement of the alternately pushing piston assembly 4 is arranged on the burner body 1, a state switching connection assembly 9 for controlling the operation of the alternately controlling valve assembly 7 is arranged between the drive assembly 8 and the alternately controlling valve assembly 7, a mixing rotating stirring blade 10 is arranged in the mixing chamber 3, a rotating linkage assembly 11 is arranged between the mixing rotating stirring blade 10 and the alternately pushing piston assembly 4, a mixed gas delivery pipe 12 is connected between the burner body 1 and the pre-mixing valve body 2, and a one-way valve 13 is arranged on the mixed gas delivery pipe 12;

[0033] The gas delivery structure 5 is connected to the gas, and the air delivery structure 6 is connected to the blower;

[0034] The air and the fuel gas are premixed in turn by the two mixing chambers 3, and the premixed gas is better burned; the two mixing chambers 3 perform the following actions in turn: one mixing gas and one sending gas, so as to ensure the continuous operation of the burner;

[0035] The mixed gas in the two mixing chambers 3 can be pushed into the mixed gas delivery pipe 12 by the alternate pushing piston assembly 4, and the mixed gas can be prevented from flowing back by the control of the one-way valve 13;

[0036] When one of the mixing chambers 3 compresses the space to push out the mixed gas, the other mixing chamber 3 expands the space to mix the gas;

[0037] The driving assembly 8 can control the alternate pushing piston assembly 4 to reciprocate, so as to achieve the expansion of the space of the two mixing chambers 3 by pushing one side of the other side;

[0038] When one of the mixing chambers 3 is an expansion space, the gas delivery structure 5 and the air delivery structure 6 on the corresponding side are in an open state (controlled by the alternating control valve assembly 7); when one of the mixing chambers 3 is a compression space, the gas delivery structure 5 and the air delivery structure 6 on the corresponding side are in a closed state (controlled by the alternating control valve assembly 7);

[0039] The alternating control valve assembly 7 alternately controls the gas input on the corresponding side and disconnects the gas on the other side; or alternately controls the air input on the corresponding side and disconnects the air on the other side;

[0040] The state switching connection component 9 determines the moving direction of the alternate pushing piston component 4 to control the alternate control valve component 7. When the alternate pushing piston component 4 moves to one end, it moves in the opposite direction. At this time, the state of the alternate control valve component 7 is changed by the state switching connection component 9 (that is, the originally connected pipeline is switched to closed, and the originally closed pipeline is switched to connected);

[0041] Mixing rotating stirring blade 10: During the movement of the alternately pushing piston assembly 4, the rotating linkage assembly 11 is used to keep the mixing rotating stirring blade 10 in a rotating state, and the compression of the alternately pushing piston assembly 4 is used to better mix the air and the gas.

[0042] Finally, the mixed gas enters the mixed gas delivery pipe 12 from the two mixing chambers 3 in turn and continuously, and is output through the mixed gas delivery pipe 12 for gas combustion.

[0043] The rotating pushing piston assembly 4 of the present invention includes a push plate structure 401 arranged in the mixing chamber 3, a push shaft hole 402 is arranged between the two mixing chambers 3, a connecting shaft 403 is movably arranged in the push shaft hole 402, and both ends of the connecting shaft 403 are respectively connected to the push plate structure 401 on the corresponding side.

[0044] The gas delivery structure 5 of the present invention comprises two gas inlet holes 501 arranged on a side wall of one side of the mixing chamber 3, and a gas delivery pipe 502 is arranged between the two gas inlet holes 501 for communication;

[0045] The gas enters into the two mixing chambers 3 respectively from the two gas inlet holes 501 and is controlled by the two mutually perpendicular connecting holes 702 so that when one gas inlet hole 501 is opened, the other gas inlet hole 501 is closed.

[0046] The air delivery structure 6 of the present invention comprises two air inlet holes 601 arranged on the side wall of the other side of the mixing chamber 3, an air delivery pipe 602 is arranged between the two air inlet holes 601 for communication, and the air delivery pipe 602 is connected to a blower.

[0047] The blower delivers air to the two air inlet holes 601 and enters the two mixing chambers 3 respectively, and is controlled through the two mutually perpendicular connecting holes 702 so that when one air inlet hole 601 is opened, the other air inlet hole 601 is closed.

[0048] The alternate control valve assembly 7 of the present invention comprises a rotating shaft mounting seat 703 arranged on both sides of the premixing valve body 2, and an adjusting shaft 701 is rotatably mounted in the rotating shaft mounting seats 703 on both sides, and a connecting hole 702 is respectively arranged at both ends of the adjusting shaft 701, and the axes of the connecting holes 702 at both ends are arranged perpendicular to each other;

[0049] The two communicating holes 702 on the same adjusting shaft 701 rotate along with the adjusting shaft 701 , thereby controlling the corresponding inlet holes to be opened or closed.

[0050] The connecting hole 702 on the adjusting shaft 701 on one side can connect or close the gas inlet hole 501;

[0051] The communicating hole 702 on the adjusting shaft 701 on the other side can connect or close the air inlet hole 601 .

[0052] In the present invention, when one of the communication holes 702 is connected to the gas inlet hole 501 on the corresponding side, the other communication hole 702 closes the gas inlet hole 501 on the corresponding side;

[0053] When one of the communicating holes 702 is connected to the air inlet hole 601 on the corresponding side, the other communicating hole 702 closes the air inlet hole 601 on the corresponding side.

[0054] The driving assembly 8 of the present invention comprises a push rod motor 801 arranged at the bottom of the burner body 1, the premixing valve body 2 is wrapped with a control frame 802, the control frame 802 is fixedly connected to the output end of the push rod motor 801, the outer end of the mixing chamber 3 is provided with a plurality of shaft hole structures 803, a connecting shaft body 804 is movably arranged in the shaft hole structure 803, one end of the connecting shaft body 804 is fixedly connected to the control frame 802, and the other end is fixedly connected to the push plate structure 401;

[0055] The push rod motor 801 reciprocates and extends, driving the control frame 802 to move back and forth, and driving the two push plate structures 401 inside to move back and forth through the connecting shaft 804.

[0056] The state switching connection assembly 9 of the present invention comprises a driving groove 901 arranged on the outer wall of the circumference of the adjusting shaft 701. A driving shaft 902 is arranged inside the control frame 802. The driving shaft 902 is movably inserted into the driving groove 901 on the corresponding side.

[0057] Whenever the control frame 802 reciprocates to one end position, the driving slot 901 cooperates with the driving shaft 902 to enable the adjustment shaft 701 to rotate 90°.

[0058] The driving groove 901 of the present invention includes four axial straight grooves 9011, which are evenly distributed around the outer circumferential wall of the adjusting shaft 701, and the four axial straight grooves 9011 are connected in series back and forth by four one-way connecting grooves 9012;

[0059] The one-way connection groove 9012 is as follows Figure 7 and Figure 8 As shown, when it moves to the end of the axial straight groove 9011, it will enter the one-way connection groove 9012;

[0060] The one-way connection groove 9012 is arc-shaped and has an inverted hook structure in the middle. When the driving shaft 902 moves to the middle of the one-way connection groove 9012 and moves back, it will enter the other side of the one-way connection groove 9012.

[0061] When the control frame 802 moves back and forth, it will drive the drive shaft 902 to follow the reciprocating movement, and the reciprocating drive shaft 902 will drive the drive slot 901 to rotate. After the drive shaft 902 completes a stroke in one direction, it will cooperate with the drive slot 901 to drive the adjustment shaft 701 to rotate 90°.

[0062] The rotary linkage assembly 11 of the present invention comprises a screw hole 1001 disposed at the axis of the mixing rotary stirring blade 10, a central screw 1002 is disposed between the control frame 802 and the push plate structure 401, and the central screw 1002 is inserted into the screw hole 1001 and threadedly connected;

[0063] When the central screw 1002 moves back and forth, it cooperates with the screw hole 1001 to make the mixing and rotating stirring blade 10 rotate.

[0064] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention to be protected. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A burner with a high-efficiency air and gas premixing assembly, comprising a burner body (1), characterized in that: The burner body (1) is provided with a premixing valve body (2), two mixing chambers (3) are provided in the premixing valve body (2), a piston assembly (4) for alternately pushing out the gas in the two mixing chambers (3) is provided between the two mixing chambers (3), a gas delivery structure (5) is provided between the two mixing chambers (3), an air delivery structure (6) is provided between the two mixing chambers (3), an alternating control valve assembly (7) for alternately disconnecting or connecting one of the mixing chambers (3) is provided in each of the air delivery structure (6) and the gas delivery structure (5), and the burner body (1) is provided with a premixing valve body (2), two mixing chambers (3) are provided in the premixing valve body (2), and a piston assembly (4) for alternately pushing out the gas in the two mixing chambers (3) is provided between the two mixing chambers (3). A driving assembly (8) for controlling the reciprocating movement of the alternate pushing piston assembly (4) is provided, a state switching connection assembly (9) for controlling the operation of the alternate control valve assembly (7) is provided between the driving assembly (8) and the alternate control valve assembly (7), a mixing rotary stirring blade (10) is provided in the mixing chamber (3), a rotating linkage assembly (11) is provided between the mixing rotary stirring blade (10) and the alternate pushing piston assembly (4), a mixed gas delivery pipe (12) is connected between the burner body (1) and the premixing valve body (2), and a one-way valve (13) is provided on the mixed gas delivery pipe (12); The gas delivery structure (5) comprises two gas inlet holes (501) arranged on a side wall of one side of the mixing chamber (3), and a gas delivery pipe (502) is arranged between the two gas inlet holes (501) for communication; The air delivery structure (6) comprises two air inlet holes (601) arranged on the side wall of the other side of the mixing chamber (3), an air delivery pipe (602) is arranged between the two air inlet holes (601) for communication, and the air delivery pipe (602) is connected to a blower; The alternating control valve assembly (7) comprises a rotating shaft mounting seat (703) arranged on both sides of the pre-mixing valve body (2), an adjusting shaft (701) being rotatably mounted in the rotating shaft mounting seats (703) on both sides, and a connecting hole (702) is respectively arranged at both ends of the adjusting shaft (701), and the axes of the connecting holes (702) at both ends are arranged perpendicular to each other; The communication hole (702) on the adjustment shaft (701) on one side can connect to or close the gas inlet hole (501); The communication hole (702) on the adjustment shaft (701) on the other side can connect to or close the air inlet hole (601).

2. A burner with a high-efficiency air and gas premixing assembly according to claim 1, characterized in that: The alternate pushing piston assembly (4) comprises a push plate structure (401) arranged in the mixing chamber (3), a push shaft hole (402) is arranged between the two mixing chambers (3), a connecting shaft (403) is movably arranged in the push shaft hole (402), and both ends of the connecting shaft (403) are respectively connected to the push plate structure (401) on the corresponding side.

3. A burner with a high-efficiency air and gas premixing assembly according to claim 2, characterized in that: When one of the communication holes (702) is connected to the gas inlet hole (501) on the corresponding side, the other communication hole (702) closes the gas inlet hole (501) on the corresponding side; When one of the communication holes (702) is connected to the air inlet hole (601) on the corresponding side, the other communication hole (702) closes the air inlet hole (601) on the corresponding side.

4. A burner with a high-efficiency air and gas premixing assembly according to claim 3, characterized in that: The driving assembly (8) comprises a push rod motor (801) arranged at the bottom of the burner body (1); the premixing valve body (2) is wrapped with a control frame (802); the control frame (802) and the output end of the push rod motor (801) are fixedly connected; the outer end of the mixing chamber (3) is provided with a plurality of shaft hole structures (803); a connecting shaft body (804) is movably arranged in the shaft hole structure (803); one end of the connecting shaft body (804) is fixedly connected to the control frame (802), and the other end is fixedly connected to the push plate structure (401).

5. A burner with a high-efficiency air and gas premixing assembly according to claim 4, characterized in that: The state switching connection assembly (9) comprises a driving groove (901) arranged on the outer circumferential wall of the adjustment shaft (701); a driving shaft (902) is arranged on the inner side of the control frame (802); the driving shaft (902) is movably inserted into the driving groove (901) on the corresponding side; Whenever the control frame (802) performs reciprocating motion to one end position, the drive slot (901) cooperates with the drive shaft (902) to enable the adjustment shaft (701) to rotate 90°.

6. A burner with a high-efficiency air and gas premixing assembly according to claim 5, characterized in that: The driving groove (901) comprises four axial straight grooves (9011), the four axial straight grooves (9011) being evenly distributed around the circumferential outer wall of the adjusting shaft (701), and the four axial straight grooves (9011) being connected in series back and forth by means of four unidirectional connection grooves (9012).

7. A burner with a high-efficiency air and gas premixing assembly according to claim 6, characterized in that: The rotary linkage assembly (11) comprises a screw hole (1001) arranged at the axis of the mixing rotary stirring blade (10), and a central screw rod (1002) is arranged between the control frame (802) and the push plate structure (401), and the central screw rod (1002) is inserted into the screw hole (1001) and is threadedly connected.

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