Natural gas combustion metering device

Abstract

The utility model relates to the technical field of natural gas combustion, and discloses a natural gas combustion metering device which comprises a combustor, a natural gas inlet pipe penetrates through one side of the combustor, and an oxygen inlet pipe and a plasma air mass inlet pipe penetrate through the two ends of the same side of the combustor respectively. And one end of the oxygen inlet pipe and one end of the plasma air mass inlet pipe are communicated with one side of the natural gas inlet pipe. By controlling opening and closing of the plasma air mass air inlet pipe, control over the natural gas combustion environment can be achieved, the combustion condition of natural gas is reduced through cooperation of the existence of plasma air mass and the effect of the temperature sensor, and meanwhile the natural gas can be combusted through cooperation of the sliding performance of the temperature sensor in the guide hole and the effect of the heat conduction block. The temperature of different point positions in the combustion process is measured, and meanwhile the combustion temperature of natural gas can be further measured accurately through the detachability of the heat conduction block and the partition plate.

Description

Technical Field

[0001] The utility model relates to the technical field of natural gas combustion, in particular to a natural gas combustion metering device. Background Art

[0002] Natural gas refers to a mixture of hydrocarbon and non-hydrocarbon gases stored in the ground. The combustion of natural gas can generate a large amount of energy. However, the combustion efficiency of natural gas varies in different combustion environments. Filling the natural gas combustion environment with plasma can promote the full combustion of natural gas and reduce harmful emissions. The natural gas combustion metering device can be used to compare the combustion conditions of natural gas under different conditions.

[0003] Chinese Patent Authorization Publication No. CN 214894978 U discloses a natural gas combustion metering device, comprising a device body, the device body being a cylindrical structure, wherein an axial fan is disposed on the upper portion of the device body, a natural gas burner is disposed within the device body, the natural gas burner is connected to a natural gas inlet pipeline, and a secondary air inlet adjustment plate is disposed at one end of the device body near the natural gas burner. The secondary air inlet adjustment plate is used to control the secondary air inlet volume and the exhaust gas temperature to achieve the required temperature. The secondary air inlet also ensures more complete combustion of the natural gas. The above-mentioned prior art solution has the following deficiencies: the device measures the combustion temperature of the natural gas using a temperature sensor. However, due to the different positions of the secondary air inlet adjustment plate and the primary oxygen distribution pipeline in the device, the natural gas fills the device body during the combustion process, so the combustion completeness varies at each position. The temperature sensor is fixed, and its measurement accuracy has certain deviations. Therefore, an improvement solution is proposed. Utility Model Content

[0004] The purpose of the present invention is to provide a natural gas combustion metering device to solve the problem in the prior art that the existing natural gas combustion metering device is difficult to detect the combustion temperature at multiple points and difficult to improve the accuracy of the measurement results.

[0005] To achieve the above object, the present utility model provides the following technical solutions: A natural gas combustion metering device, including a burner, a natural gas inlet pipe penetrates through one side of the burner, oxygen inlet pipes and plasma gas mass inlet pipes penetrate through both ends on the same side of the burner respectively, and one ends of the oxygen inlet pipe and the plasma gas mass inlet pipe are both communicated with one side of the natural gas inlet pipe. A pressure equalizing pipe penetrates through the inside of the burner. A partition is installed on one side of the top of the burner, and heat conducting blocks penetrate through the partition at equal intervals. At the same time, the heat conducting blocks are snap-connected to the partition. A temperature measuring mechanism is arranged at the top of the burner above the partition, and a fixing plate is installed at the top of the temperature measuring mechanism on the side away from the pressure equalizing pipe. A limiting mechanism is connected to the inside of the fixing plate and one side of the temperature measuring mechanism.

[0006] Preferably, the burner includes an igniter, and a combustion chamber is installed on one side of the igniter. A transparent protective cover is installed on the outside of the combustion chamber. A partition is embedded at the top of the combustion chamber, and the bottom end of the partition extends into the inside of the combustion chamber.

[0007] Preferably, the temperature measuring mechanism includes a guiding plate installed at the top of the combustion chamber. A guiding hole is opened at the top of the guiding plate. A temperature sensor penetrates through the guiding hole, and the bottom end of the temperature sensor abuts against the top end of the corresponding heat conducting block. Limiting sliding sleeves are sleeved on both ends of the outside of the temperature sensor, and the two limiting sliding sleeves are respectively located at the upper and lower ends of the guiding hole.

[0008] Preferably, the diameter of the temperature sensor is adapted to the width of the guiding hole, and the diameter of the limiting sliding sleeve is larger than the width of the guiding hole.

[0009] Preferably, a wire is connected to the top end of the temperature sensor, and one end of the wire penetrates through the inside of the fixing plate. At the same time, a guiding sleeve is sleeved on the outside of the wire, and one side of the guiding sleeve is connected to the outside of the fixing plate.

[0010] Preferably, the limiting mechanism includes a through hole opened at the bottom end inside the fixing plate. A pushing plate penetrates through the through hole. One end of the pushing plate is hinged to one side of the temperature sensor. A pushing block is installed at the other end of the pushing plate. Limiting grooves are opened at equal intervals at the bottom end of the pushing plate. A limiting block is installed at the bottom end inside the through hole.

[0011] Preferably, the spacing and number of the limiting grooves are adapted to the spacing and number of the heat conducting blocks, and the internal shape and size of the limiting grooves are adapted to the external shape and size of the limiting grooves.

[0012] Preferably, the pushing plate is located directly below the wire, and side plates are installed on both sides of the top end of the pushing plate.

[0013] Compared with the prior art, the beneficial effects of the present utility model are:

[0014] (1) By controlling the opening and closing of the plasma gas mass inlet pipe, the control of the natural gas combustion environment can be achieved. By using the presence or absence of the plasma gas mass and the function of the temperature sensor, the combustion of natural gas can be reduced. At the same time, by using the slidability of the temperature sensor in the guiding hole and the function of the heat conducting block, the temperature measurement at different points during the combustion process can be realized. Moreover, by using the detachable property of the heat conducting block and the partition plate, it is convenient to further accurately measure the combustion temperature of natural gas;

[0015] (2) Through the cooperation of the push plate, the limit groove and the limit block, it is convenient to limit the moving distance of the temperature sensor to ensure that the detection point at the bottom end of the temperature sensor can be accurately docked with the heat conducting block. At the same time, by using the cooperation of the push plate and the side plate, it is convenient to intercept the wire on the temperature sensor to prevent the wire from loosening and directly falling into the inside of the guiding plate, reducing the possibility of the wire being burned by high temperature. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0017] Figure 1 It is a front view sectional structure schematic diagram of the present invention;

[0018] Figure 2 It is a three-dimensional structure schematic diagram of the burner of the present invention;

[0019] Figure 3 It is a three-dimensional structure schematic diagram of the temperature measurement mechanism of the present invention;

[0020] Figure 4 It is a three-dimensional structure schematic diagram of the push plate of the present invention.

[0021] Explanation of the reference numerals in the drawings: 1, burner; 101, igniter; 102, combustion chamber; 103, transparent protective cover; 2, natural gas inlet pipe; 3, oxygen inlet pipe; 4, plasma gas mass inlet pipe; 5, pressure equalizing pipe; 6, partition plate; 7, heat conducting block; 8, temperature measurement mechanism; 801, guiding plate; 802, temperature sensor; 803, limit sliding sleeve; 804, guiding hole; 9, limit mechanism; 901, limit groove; 902, through hole; 903, limit block; 904, push plate; 905, push block; 10, fixing plate; 11, wire; 12, guiding sleeve; 13, side plate. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0022] To make the objectives, technical solutions, and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are some, but not all, of the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the scope of protection of the present utility model.

[0023] Please refer to Figures 1 - 4 , an embodiment provided by the present utility model: a natural gas combustion metering device, including a burner 1;

[0024] The burner 1 includes an igniter 101, and a combustion chamber 102 is installed on one side of the igniter 101. A transparent protective cover 103 is installed outside the combustion chamber 102. A partition 6 is embedded at the top end of the combustion chamber 102, and the bottom end of the partition 6 extends into the interior of the combustion chamber 102;

[0025] Specifically, as Figure 1 、 Figure 2 shown, when in use, the transparent protective cover 103 is used to directly observe the combustion situation inside the combustion chamber 102, and at the same time avoid being injured;

[0026] A natural gas inlet pipe 2 penetrates through one side of the burner 1. Oxygen inlet pipes 3 and plasma gas mass inlet pipes 4 penetrate through both ends on the same side of the burner 1 respectively. One ends of the oxygen inlet pipe 3 and the plasma gas mass inlet pipe 4 are communicated with one side of the natural gas inlet pipe 2. A pressure equalizing pipe 5 penetrates through the interior of the burner 1. A partition 6 is installed on one side of the top end of the burner 1, and heat conducting blocks 7 penetrate through the partition 6 at equal intervals. At the same time, the heat conducting blocks 7 are snap-connected to the partition 6. A temperature measuring mechanism 8 is arranged at the top end of the burner 1 above the partition 6;

[0027] The temperature measuring mechanism 8 includes a guide plate 801 installed at the top end of the combustion chamber 102. A guide hole 804 is opened at the top end of the guide plate 801. A temperature sensor 802 penetrates through the interior of the guide hole 804. The bottom end of the temperature sensor 802 abuts against the top end of the corresponding heat conducting block 7. Two limiting sliding sleeves 803 are sleeved on both ends outside the temperature sensor 802, and the two limiting sliding sleeves 803 are respectively located at the upper and lower ends of the guide hole 804;

[0028] The diameter of the temperature sensor 802 is adapted to the width of the guide hole 804, and the diameter of the limiting sliding sleeve 803 is larger than the width of the guide hole 804;

[0029] The top of the temperature sensor 802 is connected to a wire 11, and one end of the wire 11 passes through the interior of the fixed plate 10. At the same time, the outer portion of the wire 11 is provided with a guide sleeve 12, and one side of the guide sleeve 12 is connected to the outer side of the fixed plate 10.

[0030] Specifically, such as Figure 1 、 Figure 2 and Figure 3 As shown, when in use, the limiting sliding sleeve 803 is used to limit and guide the position of the temperature sensor 802, so that the temperature sensor 802 can slide smoothly left and right along the guide hole 804. The mobility of the temperature sensor 802 is used to measure the temperature at different combustion positions, and the detachability of the heat conducting block 7 is used to further improve the accuracy of the temperature measurement.

[0031] A fixing plate 10 is installed on the top of the temperature measuring mechanism 8 away from the pressure equalizing tube 5, and a limiting mechanism 9 is connected to one side of the temperature measuring mechanism 8 inside the fixing plate 10;

[0032] The limiting mechanism 9 includes a through hole 902 formed at the bottom end of the fixed plate 10, and a push plate 904 extends through the through hole 902. One end of the push plate 904 is hinged to one side of the temperature sensor 802, and a push block 905 is mounted on the other end of the push plate 904. The bottom end of the push plate 904 is provided with limiting grooves 901 at equal intervals, and a limiting block 903 is mounted on the bottom end of the through hole 902.

[0033] The spacing and number of the limiting grooves 901 are adapted to the spacing and number of the heat conducting blocks 7 , and the internal shape and size of the limiting grooves 901 are adapted to the external shape and size of the limiting grooves 901 ;

[0034] The push plate 904 is located directly below the wire 11, and side plates 13 are installed on both sides of the top of the push plate 904;

[0035] Specifically, such as Figure 1 、 Figure 3 and Figure 4 As shown, when in use, the limiting groove 901 cooperates with the limiting block 903 to limit and fix the position of the temperature sensor 802, thereby ensuring the accurate docking of the temperature sensor 802 and the heat conducting block 7.

[0036] Working principle: When the utility model is in use, first, natural gas is introduced into the interior of the combustion chamber 102 through the natural gas inlet pipe 2, and oxygen is introduced into the interior of the combustion chamber 102 through the oxygen inlet pipe 3. The igniter 101 is started to ignite the natural gas. The pressure equalizing pipe 5 is used to balance the internal and external pressures. The push block 905 pushes the push plate 904 to the right, so that the push plate 904 drives the temperature sensor 802 to slide along the guide hole 804. When the limit block 903 is inserted into the limit groove 901, that is, the temperature sensor 802 reaches the specified position and is in contact with the heat conduction block 7, so as to realize the temperature measurement of the current heat conduction block 7 point position;

[0037] Secondly, by lifting the push plate 904 upward, the limit groove 901 is separated from the limit block 903, and then the push plate 904 is continuously pushed again, so that the limit block 903 is in contact with the next limit groove 901, so as to realize the measurement of different heat conduction blocks 7 by the temperature sensor 802. Then, the oxygen inlet pipe 3 is started to introduce a plasma gas mass into the interior of the combustion chamber 102, and the combustion condition of the natural gas is observed through the transparent protective cover 103. Then, the push plate 904 is pushed in the reverse direction, so that the temperature sensor 802 performs a secondary measurement on different heat conduction blocks 7 to compare the differences in the measured temperatures of the two batches;

[0038] Finally, during the movement of the temperature sensor 802, the wire 11 is stretched as it moves. To prevent the wire 11 from falling into the interior of the guide plate 801, the push plate 904 and the side plate 13 are used to intercept the wire 11 that may fall, so as to play a role in protecting the wire 11.

[0039] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the terms "installation", "connection", and "connection" 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 directly connected, or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0040] The device embodiments described above are merely illustrative. The units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place, or distributed to multiple network units. Some or all of the modules can be selected according to actual needs to achieve the purpose of the solution of this embodiment. Those of ordinary skill in the art can understand and implement it without creative labor.

[0041] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features; and these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the various embodiments of the present invention.

Claims

1. A natural gas combustion metering device, comprising a burner (1), characterized in that: One side of the burner (1) is penetrated by a natural gas inlet pipe (2). Oxygen inlet pipes (3) and plasma gas mass inlet pipes (4) penetrate through both ends on the same side of the burner (1) respectively. One ends of the oxygen inlet pipe (3) and the plasma gas mass inlet pipe (4) are both communicated with one side of the natural gas inlet pipe (2). A pressure equalizing pipe (5) penetrates through the inside of the burner (1). A partition plate (6) is installed on one side of the top of the burner (1). Heat conduction blocks (7) penetrate through the partition plate (6) at equal intervals. At the same time, the heat conduction blocks (7) are snap-connected to the partition plate (6). A temperature measuring mechanism (8) is arranged at the top of the burner (1) above the partition plate (6). A fixing plate (10) is installed at the top of the temperature measuring mechanism (8) on the side far away from the pressure equalizing pipe (5). A limiting mechanism (9) is connected to one side of the temperature measuring mechanism (8) inside the fixing plate (10).

2. The natural gas combustion metering device according to claim 1, characterized in that: The burner (1) includes an igniter (101). A combustion chamber (102) is installed on one side of the igniter (101). A transparent protective cover (103) is installed on the outside of the combustion chamber (102). The partition plate (6) is embedded at the top of the combustion chamber (102), and the bottom end of the partition plate (6) extends into the inside of the combustion chamber (102).

3. The natural gas combustion metering device according to claim 2, characterized in that: The temperature measuring mechanism (8) includes a guiding plate (801) installed at the top of the combustion chamber (102). A guiding hole (804) is opened at the top of the guiding plate (801). A temperature sensor (802) penetrates through the inside of the guiding hole (804). The bottom end of the temperature sensor (802) abuts against the top end of the corresponding heat conduction block (7). Limiting sliding sleeves (803) are sleeved on both ends of the outside of the temperature sensor (802), and the two limiting sliding sleeves (803) are respectively located at the upper and lower ends of the guiding hole (804).

4. A natural gas combustion metering device according to claim 3, characterized in that: The diameter of the temperature sensor (802) is adapted to the width of the guiding hole (804). The diameter of the limiting sliding sleeve (803) is larger than the width of the guiding hole (804).

5. The natural gas combustion metering device according to claim 3, characterized in that: The top end of the temperature sensor (802) is connected to a wire (11). One end of the wire (11) penetrates through the inside of the fixing plate (10). At the same time, a guiding sleeve (12) is sleeved on the outside of the wire (11). One side of the guiding sleeve (12) is connected to the outside of the fixing plate (10).

6. The natural gas combustion metering device according to claim 5, wherein: The limiting mechanism (9) includes a through hole (902) opened at the bottom end inside the fixing plate (10). A pushing plate (904) penetrates through the inside of the through hole (902). One end of the pushing plate (904) is hinged to one side of the temperature sensor (802). A pushing block (905) is installed at the other end of the pushing plate (904). Limiting grooves (901) are opened at equal intervals at the bottom end of the pushing plate (904). A limiting block (903) is installed at the bottom end inside the through hole (902).

7. The natural gas combustion metering device according to claim 6, characterized in that: The spacing and quantity of the limiting grooves (901) are adapted to the spacing and quantity of the heat conduction blocks (7). The internal shape and size of the limiting grooves (901) are adapted to the external shape and size of the limiting grooves (901).

8. The natural gas combustion metering device according to claim 6, characterized in that: The pushing plate (904) is located directly below the wire (11), and side plates (13) are installed on both sides of the top end of the pushing plate (904).

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