CN213208009U - High-efficient stirling generator heating device - Google Patents

High-efficient stirling generator heating device Download PDF

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Publication number
CN213208009U
CN213208009U CN202021421562.0U CN202021421562U CN213208009U CN 213208009 U CN213208009 U CN 213208009U CN 202021421562 U CN202021421562 U CN 202021421562U CN 213208009 U CN213208009 U CN 213208009U
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CN
China
Prior art keywords
gas
air
pipe
spark plug
way
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
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CN202021421562.0U
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Chinese (zh)
Inventor
孟令民
庞景文
路伟
何玺
肖炀
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Qingdao Qidi Energy And Power Technology Research Institute
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Qingdao Qidi Energy And Power Technology Research Institute
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Priority to CN202021421562.0U priority Critical patent/CN213208009U/en
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Abstract

The utility model provides a high-efficient stirling generator heating device belongs to stirling power generation technical field. The device controls gas and air pressure and flow through the valve body of design in gas pipeline and air pipe, through the ratio of adjustment gas and air, under the prerequisite of guaranteeing the biggest utilization of gas, preheats gas and air mixture, has reduced the oxygen consumption among the combustion process, has realized the biggest utilization of air, and the mixed gas is lighted the back through swirl generator through the spark plug, and even heater to stirling generator supplies heat, improves the utilization ratio of flame.

Description

High-efficient stirling generator heating device
Technical Field
The utility model belongs to the technical field of the stirling power generation technique and specifically relates to a high-efficient stirling generator heating device.
Background
The Stirling generator utilizes external heat supply and realizes internal piston closed cycle reciprocating type work doing through a principle of expansion with heat and contraction with cold, so that temperature difference is an important factor for determining the power of the Stirling generator, and how to provide a continuous and steady heat source is a key factor for determining the temperature difference. Because the Stirling generator is a closed-cycle regenerative generator which takes various fuels as energy sources. Therefore, the heat supply device for the Stirling generator at present usually adopts a closed structure, has the characteristics of small maintenance workload, simple waste heat recovery and the like, but has the disadvantages of low flame utilization rate and low power generation efficiency due to insufficient oxygen content in a closed space and insufficient flame combustion, and restricts the use of the Stirling generator.
SUMMERY OF THE UTILITY MODEL
The technical task of the utility model is to solve the not enough of prior art, provide a high-efficient stirling generator heating device.
The utility model provides a technical scheme that its technical problem adopted is:
the core thought of the design is that the design can be through adjusting the ratio of gas and air, on the premise of guaranteeing the maximum utilization rate of gas, gas and air are mixed and preheated firstly, the mixed gas is ignited by a spark plug and then becomes flame of rotary flow through a vortex generator, the heater of the Stirling generator can supply heat uniformly, after the start-up, the pressure regulating valve of the air pressurizing fan is firstly adjusted, the air pressure is adjusted to a rated value, a switch valve is opened, the adjustment of the air pressure is completed, the reducing valve of the gas tank is adjusted again, the gas pressure is adjusted to a rated range, and the air and the gas are conveyed to a heat insulation bin in a combustor through a pipeline to be mixed and preheated.
A high-efficiency Stirling generator heating device comprises a swirling flow distributor and a gas premixing tube, wherein the swirling flow distributor is arranged on the gas premixing tube, a circular hole which is circumferentially distributed and communicated is formed in the middle of the swirling flow distributor, the outer ring of the circular hole is smaller than the inner ring of the gas premixing tube, an arc-shaped swirl notch is formed in the outer wall of the circumference of the swirling flow distributor, the swirling flow distributor is arranged at the bottom of the gas premixing tube, the gas premixing tube is arranged in the middle of a first spark plug and a second spark plug, an observation window is formed in the middle of the first spark plug and the second spark plug, the first spark plug and the second spark plug penetrate through a top-layer heat insulation plate, the discharge position of the spark plug is located between the top-layer heat insulation plate and a bottom layer, and a heat insulation layer is arranged between; the gas premix pipe is installed on the combustor.
Preferably, the gas premixing pipe is installed at the other end of the gas inlet and is located in the middle of the first spark plug and the second spark plug, the observation window is located in the symmetrical direction of the gas inlet, the gas premixing pipe is avoided, the swirl distributor is communicated, and the flame combustion condition at the swirl distributor can be observed.
The middle of the top layer heat insulation plate and the bottom layer heat insulation plate is provided with a hole, and the fire insulation sleeve passes through the hole of the top layer heat insulation plate and is arranged on the bottom layer heat insulation plate to form a heat insulation fire insulation bin together with the heat insulation layer.
The gas inlet on the combustor is provided with a first air pipe, the first air pipe is communicated with a gas flow valve through a switch valve, the gas flow valve is provided with a pressure gauge, the pressure gauge is arranged on a four-way pressure port, the air inlet on the combustor is provided with an air pipe, the other end of the air pipe is provided with the switch valve, one end of the switch valve is arranged on an air four-way pipe air outlet, one end of the switch valve is provided with the first air pipe, and the gas flow valve is communicated with a gas tank through a gas pressure reducing valve and.
The air outlet of the four-way pipe is an opening on the air four-way pipe, the air four-way pipe is provided with a four-way air inlet and a four-way pressure regulating port, the four-way air inlet is communicated with the air pressurizing fan, and the four-way pressure regulating port is communicated with the air pressure regulating valve.
Preferably, the swirling flow distributor is installed on the gas premixing pipe, a circular hole which is circumferentially distributed and communicated is formed in the middle of the distributor, the outer ring of the circular hole is smaller than the inner ring of the gas premixing pipe and used for dispersing gas, the circular hole which is circumferentially distributed and communicated is formed in the swirling flow distributor on the outer ring of the gas premixing pipe and used for dispersing air, and an arc swirl notch is formed in the circumferential outer wall of the swirling flow distributor to enable flame to generate swirl flame.
The utility model discloses a high-efficient stirling generator heating device, prior art compares produced beneficial effect and is:
(1) the gas and air proportioning device designed by the invention can regulate the pressure and the quantity more accurately, and improves the utilization rate of the gas.
(2) The heat-preservation fire-insulation bin designed by the invention can preheat air and fuel gas more quickly, reduces oxygen consumption in the combustion process and improves the combustion temperature in the combustor.
(3) The swirling flow fire divider designed by the invention respectively disperses the fuel gas and the air, realizes the premixing of the air and the fuel gas, improves the combination area of the air and the fuel gas, enables the combustion to be more sufficient and improves the heating efficiency of the heater of the Stirling engine.
Drawings
FIG. 1 is a three-dimensional view of the structure of the present invention;
FIG. 2 is a front sectional view of the structure of the present invention;
fig. 3 is a top view of the burner of the present invention;
FIG. 4 is a three-dimensional view of the swirling flow fire divider of the present invention;
FIG. 5 is a three-dimensional view of the air four-way pipe of the present invention;
the reference numerals in the figures denote:
1. the gas burner comprises a burner, 101, a first spark plug, 102, a second spark plug, 103, an air inlet, 104, a gas inlet, 105, a bottom heat insulation plate, 106, a gas premixing pipe, 107, a top heat insulation plate, 108, a fire insulation sleeve, 109, an observation window, 110, a swirling flow distributor, 2, an air pipe, 3, a first air pipe, 4, a switch valve, 5, a gas flow valve, 6, a pressure gauge, 7, an air pressurization fan, 8, an air four-way pipe, 801, a four-way air outlet, 802, a four-way pressure port, 803, a four-way air inlet, 804, a four-way pressure regulating port, 9, an air pressure regulating valve, 10, a second air pipe, 11, a gas pressure reducing valve, 12, a gas tank, 13, a Stirling engine, 14, a heat insulation layer, 15.
Detailed Description
Embodiments of the present invention will be described with reference to the accompanying drawings.
A high-efficiency Stirling generator heating device comprises a swirling flow distributor 110 and a gas premixing pipe 106, wherein the swirling flow distributor 110 is installed on the gas premixing pipe 106, a circular hole which is distributed and communicated in the circumferential direction is formed in the middle of the swirling flow distributor 110, the outer ring of the circular hole is smaller than the inner ring of the gas premixing pipe 106, an arc vortex-shaped notch is formed in the outer wall of the circumference of the swirling flow distributor 110, the swirling flow distributor 110 is installed at the bottom of the gas premixing pipe 106, the gas premixing pipe 106 is installed in the middle of a first spark plug 101 and a second spark plug 102, an observation window 109 is formed in the middle of the first spark plug 101 and the second spark plug 102, the first spark plug 101 and the second spark plug 102 penetrate through a top layer heat insulation plate 107, the spark plug discharge position is located between the top layer heat insulation plate 107 and a bottom layer heat insulation plate 105, and a heat insulation layer 14 is installed; a gas premix tube 106 is mounted on the burner 1.
As the first embodiment of the present invention, the swirling flow fire divider 110 is installed at the bottom of the gas premixing pipe 106, the ignited flame acts on the heater of the stirling generator 13 uniformly, the heat insulation layer 14 is installed between the heater of the stirling generator 13 and the top layer heat insulation plate 107 of the burner, and the combusted tail gas is discharged through the smoke exhaust pipe 15.
As the first embodiment of the present invention, the flow path of the gas is the gas tank 12 → the gas pressure reducing valve 11 → the gas flow valve 5 → the on-off valve 4 → the gas inlet 104 → the gas premixing tube 106 → the swirling flow distributor 110.
Meanwhile, the flow path of the air is the air pressurizing fan 7 → the air cross-pipe 8 → the air pressure adjusting valve 9 → the on-off valve 4 → the air inlet 103 → the swirling flow distributor 110.
The middle of the top insulation board 107 and the bottom insulation board 105 is provided with a hole, and the fire insulation sleeve 108 penetrates through the hole of the top insulation board 107 and is installed on the bottom insulation board 105 to form a heat insulation fire insulation cabin together with the heat insulation layer 14.
First trachea 3 is installed to gas air inlet 104 on combustor 1, first trachea 3 communicates through ooff valve 4 and gas flow valve 5, install manometer 6 on the gas flow valve 5, manometer 6 is installed on four-way pressure port 802, install air pipe 2 on the air inlet 103 on the combustor 1, ooff valve 4 is installed to the 2 other ends of air pipe, on ooff valve 4 one end was installed on air four-way pipe gas outlet 801, first trachea 3 is installed to one end, gas flow valve 5 passes through gas relief pressure valve 11, second trachea 10 and gas tank 12 communicate.
The four-way air outlet 801 is an opening on the air four-way pipe 8, the air four-way pipe 8 is provided with a four-way air inlet 803 and a four-way pressure regulating port 804, the four-way air inlet 803 is communicated with the air pressurizing fan 7, and the four-way pressure regulating port 804 is communicated with the air pressure regulating valve 9.
As the utility model discloses a first embodiment, the gas mixes the pipe in advance and installs that the gas air inlet other end is located first spark plug, second spark plug intermediate position, and the observation window is located gas air inlet symmetrical direction, dodges the gas and mixes the pipe in advance, link up swirl distributor department, can observe swirl distributor department flame burning condition.
Holes are formed in the middle of the top-layer heat-insulating plate 107 and the bottom-layer heat-insulating plate 105, the fire-insulating sleeve 108 penetrates through the holes of the top-layer heat-insulating plate 107 and is installed on the bottom-layer heat-insulating plate 105 to form a heat-insulating fire-insulating bin together with the heat-insulating layer 14, the heat loss in the combustor 1 can be effectively reduced through the heat-insulating fire-insulating bin, the effect of preheating mixed gas is achieved, meanwhile, the upper parts of the combustor 1 are guaranteed not to be heated, and the upper.
As the utility model discloses a first embodiment, the vortex distributor 110 is installed on gas mixes the pipe 106 in advance, the round hole that the circumference distributes and link up is opened to the position in the middle of the vortex distributor 110, the round hole outer lane is less than gas mixes the pipe 106 inner circle in advance, the round hole outflow in the middle of the gas follow for the dispersion gas, the round hole that the circumference distributes and runs through on the outer lane vortex distributor 110 of gas mixes the pipe 106 in advance, the air flows from this round hole in, be used for the dispersion air, the outer wall of vortex distributor 110 circumference is opened there is circular arc vortex shape notch, make flame produce the vortex shape flame.
It should be noted that the above-mentioned contents are only used for illustrating the technical solutions of the present invention, and not for limiting the protection scope of the present invention, and although the detailed description of the present invention is given to the detailed description of the present invention, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced equivalently without departing from the spirit and scope of the technical solutions of the present invention.

Claims (4)

1. The high-efficiency Stirling generator heating device is characterized by comprising a swirling flow distributor (110) and a gas premixing pipe (106), wherein the swirling flow distributor (110) is installed on the gas premixing pipe (106), a circular hole which is circumferentially distributed and communicated is formed in the middle of the swirling flow distributor (110), the outer ring of the circular hole is smaller than the inner ring of the gas premixing pipe (106), the outer wall of the circumference of the swirling flow distributor (110) is provided with an arc swirl notch, the swirling flow distributor (110) is installed at the bottom of the gas premixing pipe (106), the gas premixing pipe (106) is installed at the middle positions of a first spark plug (101) and a second spark plug (102), an observation window (109) is arranged in the middle of the first spark plug (101) and the second spark plug (102), the first spark plug (101) and the second spark plug (102) penetrate through a top heat insulation plate (107), and a spark plug discharge position is located between the top heat insulation plate (107) and a bottom heat insulation plate (105), an insulating layer (14) is arranged between the top-layer heat insulation plate (107) and a heater of the Stirling generator (13); the gas premix tube (106) is mounted on the burner (1).
2. A high-efficiency stirling generator heating device according to claim 1, wherein holes are formed in the middle of the top insulation board (107) and the bottom insulation board (105), and the fire insulation sleeve (108) penetrates through the holes of the top insulation board (107) and is installed on the bottom insulation board (105) to form a heat insulation fire insulation chamber together with the heat insulation layer (14).
3. A high-efficiency Stirling generator heating apparatus according to claim 1, a first air pipe (3) is arranged on a gas inlet (104) on the burner (1), the first air pipe (3) is communicated with a gas flow valve (5) through a switch valve (4), a pressure gauge (6) is arranged on the gas flow valve (5), the pressure gauge (6) is arranged on a four-way pressure port (802), an air inlet (103) on the burner (1) is provided with an air pipe (2), the other end of the air pipe (2) is provided with a switch valve (4), one end of the switch valve (4) is arranged on the air outlet (801) of the air four-way pipe, the other end is provided with a first air pipe (3), the gas flow valve (5) is communicated with the gas tank (12) through a gas pressure reducing valve (11) and a second gas pipe (10).
4. A high-efficiency stirling generator heating device according to claim 3, wherein the four-way air outlet (801) is an opening of an air four-way pipe (8), the air four-way pipe (8) is provided with a four-way air inlet (803) and a four-way pressure regulating port (804), the four-way air inlet (803) is communicated with the air pressurizing fan (7), and the four-way pressure regulating port (804) is communicated with the air pressure regulating valve (9).
CN202021421562.0U 2020-07-20 2020-07-20 High-efficient stirling generator heating device Expired - Fee Related CN213208009U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021421562.0U CN213208009U (en) 2020-07-20 2020-07-20 High-efficient stirling generator heating device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021421562.0U CN213208009U (en) 2020-07-20 2020-07-20 High-efficient stirling generator heating device

Publications (1)

Publication Number Publication Date
CN213208009U true CN213208009U (en) 2021-05-14

Family

ID=75833910

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021421562.0U Expired - Fee Related CN213208009U (en) 2020-07-20 2020-07-20 High-efficient stirling generator heating device

Country Status (1)

Country Link
CN (1) CN213208009U (en)

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Granted publication date: 20210514