CN114562364B

CN114562364B - Biomass gas internal combustion generator set

Info

Publication number: CN114562364B
Application number: CN202210450568.8A
Authority: CN
Inventors: 张连波; 张利平; 王建辉; 吕小刚; 黄帅虎; 姚树栋; 殷爱军
Original assignee: Shandong Supermaly Generating Equipment Co ltd
Current assignee: Shandong Supermaly Generating Equipment Co ltd
Priority date: 2022-04-27
Filing date: 2022-04-27
Publication date: 2022-07-15
Anticipated expiration: 2042-04-27
Also published as: CN114562364A

Abstract

The invention relates to an internal combustion generator set, in particular to a biomass gas internal combustion generator set. The biomass fuel gas power generation device comprises a driving main body, wherein an internal combustion mechanism is arranged at the top of the driving main body, a crank connecting rod mechanism is arranged in the driving main body, the internal combustion mechanism drives the crank connecting rod mechanism to transmit by using biomass fuel gas as energy, a power generation main body is arranged on one side of the driving main body, and a storage battery is arranged on one side of the power generation main body. According to the biomass gas and air mixing device, the mixing inner pipe and the mixing outer pipe are arranged, and the outer pipe mixing tank and the inner pipe mixing tank are correspondingly arranged outside the mixing inner pipe and the mixing outer pipe, so that biomass gas and air can be converged and circulated in the outer pipe mixing tank and the inner pipe mixing tank after entering the outer pipe body, and shuttle back and forth between the outer mixing cavity and the inner mixing cavity in the circulation process, so that the purpose of mixing the biomass gas and the air is achieved.

Description

Biomass gas internal combustion generator set

Technical Field

The invention relates to an internal combustion generator set, in particular to a biomass gas internal combustion generator set.

Background

The internal combustion generator set generally comprises a driving device, a generating device, an electric storage device and the like, wherein the driving device drives the generating device to enable a rotor inside the generating device to cut a magnetic induction line to generate current, the generated current charges the electric storage device, the driving device generally utilizes an internal combustion mechanism to improve power, and the internal combustion mechanism has a plurality of fuels.

Biomass gas is an indirect liquefaction technology, biomass is gasified by a thermochemical method to generate crude gas, high-quality synthesis gas is obtained by gas purification and component modulation, and then a whole set of integrated technology of synthesizing liquid fuel by adopting a catalytic synthesis technology after pressurization.

However, the biomass fuel gas has low calorific value and complex components, a common gas mixer is used, the engine is difficult to start, and even cannot be started, in the prior art, the generator set is easy to start by automatically adjusting the ratio of air to fuel gas, and even then, the adjusted air is difficult to be completely mixed under the condition of quick air intake.

Disclosure of Invention

The invention aims to provide a biomass gas internal combustion generator set to solve the problems in the background technology.

In order to achieve the purpose, the biomass gas internal combustion generator set comprises a driving main body, wherein an internal combustion mechanism is arranged at the top of the driving main body, a crank-link mechanism is arranged in the driving main body, the internal combustion mechanism drives the crank-link mechanism to transmit by using biomass gas as energy, a power generation main body is arranged on one side of the driving main body, a storage battery is arranged on one side of the power generation main body, a rotor is arranged in the power generation main body, the rotor rotates by being driven by the crank-link mechanism and then cuts a magnetic induction line to generate current, the internal combustion mechanism comprises an outer shell, a combustion chamber is arranged in the outer shell, a piston is connected in the combustion chamber in a sliding manner, a connecting groove is formed in the bottom of the piston, a connecting rod is rotationally connected in the connecting groove, the internal combustion mechanism further comprises a biomass gas inlet pipe group, the biomass gas inlet pipe group is arranged at the top of the outer shell, the biomass gas air inlet pipe group comprises an outer pipe body and an air inlet pipe body, wherein one end of the air inlet pipe body penetrates through the top wall of the outer shell and the combustion chamber to be communicated, an air inlet valve is arranged in the air inlet pipe body, a mixed outer pipe is arranged in the outer pipe body, a mixed inner pipe is arranged in the mixed outer pipe, an inner mixing cavity is formed in the mixed inner pipe, an outer pipe mixing groove is formed in the outer wall of the mixed outer pipe, an inner pipe mixing groove is formed in the outer wall of the mixed inner pipe, the mixed inner pipe inclines towards the inner side, an outer mixing cavity is formed between the mixed outer pipe and the mixed inner pipe, the joint of the mixed inner pipe and the mixed outer pipe extends towards the outer side, and the extending end is connected with the other end of the air inlet pipe body.

As a further improvement of the technical scheme, an outer peripheral cavity is formed between the mixing outer tube and the outer tube body.

As a further improvement of the technical scheme, an outer plate is arranged on the outer side of the mixing outer pipe, and the outer surface of the outer plate inclines towards the mixing groove side of the outer pipe.

As a further improvement of the technical scheme, an impeller is arranged in the outer tube body, a driving end is arranged on one side of the impeller, and the impeller is driven to generate airflow entering the outer tube body.

As a further improvement of the technical scheme, the inner diameter of the extended part of the mixing outer pipe and the mixing inner pipe is smaller than that of the mixing inner pipe, and a vortex pressure cavity is arranged in the extended part.

As a further improvement of the technical scheme, the driving end comprises a motor, a connecting frame capable of circulating gas is arranged outside the motor, the output end of the motor is connected with a driving shaft, the driving shaft is fixedly connected with the impeller, and a turbine is arranged at the position, outside the driving shaft, of the vortex pressure cavity.

As the further improvement of the technical scheme, a shunt tube is arranged at the position, close to the mixing outer tube, in the outer tube body, and the shunt tube and the mixing outer tube are fixedly connected through a plurality of connecting plates.

As a further improvement of the technical scheme, one side of the shunt pipe close to the mixing outer pipe is contracted inwards, and the contracted inner diameter is matched with the inner diameter of the mixing inner pipe.

As a further improvement of the technical scheme, a hot air transmission group is arranged outside the shell body, the hot air transmission group comprises a heat collecting ring, a heat collecting cavity is formed between the heat collecting ring and the shell body in a closed mode, the hot air transmission group further comprises a conduction ring, the conduction ring is arranged outside the outer tube body, a conduction cavity is formed between the conduction ring and the outer tube body in a closed mode, a transmission tube is arranged between the heat collecting ring and the conduction ring, and a negative pressure pump is arranged outside the transmission tube.

As a further improvement of the technical scheme, a compression cavity is formed between the piston and the outer shell after the piston moves upwards to the top dead center, the bottom of the compression cavity is a movable cavity, and the compression cavity and the movable cavity form a combustion chamber, wherein:

the heat collecting ring is arranged on the periphery of the compression cavity.

Compared with the prior art, the invention has the beneficial effects that:

1. among this biomass gas internal combustion generating set, through setting up mixed inner tube and mixed outer tube, and set up outer tube mixing tank and inner tube mixing tank in the two outside correspondence, after biomass gas and air admission outer body like this, can cross the circulation in outer tube mixing tank and inner tube mixing tank, the circulation in-process makes a round trip to shuttle between outer mixing chamber and interior mixing chamber, with the biomass gas and the air purpose that reach the mixture, the homogeneity after biomass gas and the air after mixing like this get into the combustion chamber through the body that admits air obtains improving, solve the difficult complete problem of mixing of biomass gas and air.

2. Among this biomass gas internal combustion generating set, through making its rotation produce an inspiratory air current to the impeller drive, can drive the quick outer body that passes of biomass gas and air like this, the realization that mixes outer tube and mixed inner tube can be better is mixed in the cooperation moreover.

3. Among this biomass gas internal combustion generating set, the impeller rotates and forms high-pressure draught in shunt tubes and interior mixing chamber, and form low-pressure draught in outer cavity and the outer mixing chamber between shunt tubes and the outer body, then biomass gas and air after the shunt tubes reposition of redundant personnel promote under the pressure that the pressure differential formed, mix in the mixing chamber in outer cavity and the outer mixing chamber entering fast, the reposition of redundant personnel has been carried out promptly like this, pressurize biomass gas and air after the reposition of redundant personnel again, make biomass gas and the air intensive mixing after the reposition of redundant personnel, thereby improve biomass gas and air mixing's homogeneity.

4. Among this biomass gas internal combustion generating set, it is external to transmit the heat that the burning produced to the outer tube through hot-air transmission group to heat its inside biomass gas and air, improve the liveness of molecule in biomass gas and the air, and then let each molecule carry out abundant effectual mixture.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic diagram of an internal combustion engine according to one embodiment of the present invention;

FIG. 3 is a schematic view of the internal structure of a biomass gas inlet pipe group according to the present invention;

FIG. 4 is a schematic view of the internal cavity structure of the biomass gas inlet pipe group according to the present invention;

FIG. 5 is a second structural schematic diagram of the internal combustion engine of the present invention;

FIG. 6 is a schematic view of a hot air transfer set according to the present invention;

fig. 7 is a schematic view of the internal structure of the outer tube and the hot air transfer set of the present invention.

The various reference numbers in the figures mean:

100. a drive body;

200. an internal combustion mechanism;

210. an outer housing; 211. a piston; 2111. connecting grooves; 212. a connecting rod; 210A, a compression cavity; 210B, a movable cavity; 213. an exhaust pipe; 2131. an exhaust valve; 214. a spark plug;

220. a biomass gas inlet pipe group; 221. an outer tubular body; 2211. a connecting flange; 222. an air inlet pipe body; 2221. an intake valve; 223. an impeller; 224. a shunt tube; 225. mixing the outer tube; 2251. an outer tube mixing tank; 2252. an outer plate; 226. mixing the inner pipe; 2261. an inner tube mixing tank; 227. a connecting plate; 228. a turbine; 229. a motor; 2291. a connecting frame; 2292. a drive shaft;

221A, an outer chamber; 221B, a peripheral cavity; 225A, an outer mixing chamber; 226A, inner mixing chamber; 225B, a vortex pressure cavity;

230. a hot air delivery group; 231. a heat collecting ring; 231A, a heat collecting cavity; 232. a conductive ring; 232A, a conduction cavity; 233. a conveying pipe; 234. a negative pressure pump;

300. a power generation main body;

400. and (4) a storage battery.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Referring to fig. 1, an object of the present embodiment is to provide a biomass gas internal combustion generator set, which includes a driving main body 100, an internal combustion mechanism 200 disposed at the top of the driving main body 100, the internal combustion mechanism 200 using biomass gas as energy to drive a crank link mechanism disposed in the driving main body 100 for transmission, a power generating main body 300 disposed at one side of the driving main body 100, a rotor in the power generating main body 300 driven by the crank link mechanism to rotate, then cutting a magnetic induction line to generate current, charging a storage battery 400 disposed at an outer end of the power generating main body 300 by using the generated current, and then storing the storage battery 400 for power storage, wherein the power generating operation of the internal combustion generator set is completed in the process, and the biomass gas as energy in the process can cause a problem that the biomass gas has a low calorific value, is complex in composition, and uses a general gas mixer, the engine is difficult to start, even can not start, the generating set is easy to start by automatically adjusting the ratio of air and fuel gas in the prior art, however, the adjusted air is difficult to mix completely under the condition of quick air intake, and for this reason, the problem that the air is difficult to mix completely is solved by the following embodiments:

in a first embodiment, the working principle of the crank-link mechanism is mainly disclosed in this embodiment, referring to fig. 2, the internal combustion mechanism 200 includes an outer housing 210, referring to fig. 7, a combustion chamber is disposed in the outer housing 210, a piston 211 is slidably connected in the combustion chamber, a connection groove 2111 is disposed at the bottom of the piston 211, a link 212 is rotatably connected in the connection groove 2111, the piston 211 is pushed to move downward by pressure generated by combustion of fuel in the combustion chamber, a crank is rotatably connected to a lower portion of the link 212, the crank and a flywheel are driven to rotate by the link 212 moving downward, the link 212, the crank and the flywheel constitute a crank-link mechanism, the piston 211 moves upward under the inertia of the link 212 to compress fuel entering therein, a spark plug 214 disposed at the top of the combustion chamber ignites, the fuel burns again, the flywheel drives the rotor to rotate continuously by circulating reciprocating in this way, the rotor continuously cuts the magnetic induction lines to generate electricity.

In addition, an exhaust pipe 213 is provided at the top of the outer casing 210, an exhaust valve 2131 is provided in the exhaust pipe 213, and after the fuel in the combustion chamber is combusted, the exhaust valve 2131 is opened to exhaust the gas generated by the combustion through the exhaust pipe 213.

Referring to fig. 3 and 4, the internal combustion mechanism 200 further includes a biomass gas inlet pipe set 220, the biomass gas inlet pipe set 220 is disposed at the top of the outer housing 210, the biomass gas inlet pipe set 220 includes an outer pipe 221 and an inlet pipe 222, one end of the inlet pipe 222 penetrates through the top wall of the outer housing 210 to communicate with the combustion chamber, an inlet valve 2221 is disposed in the inlet pipe 222, the inlet valve 2221 is used for controlling the air intake of the inlet pipe 222, a mixing outer pipe 225 is disposed in the outer pipe 221, a mixing inner pipe 226 is disposed in the mixing outer pipe 225, an inner mixing cavity 226A is formed in the mixing inner pipe 226, an outer pipe mixing groove 2251 is disposed on the outer wall of the mixing outer pipe 225, an inner pipe mixing groove 2261 is disposed on the outer wall of the mixing inner pipe 226, the mixing inner pipe 226 inclines inward, an outer mixing cavity 225A is formed between the mixing inner pipe 226 and the mixing outer pipe 225, the connection portion of the mixing inner pipe 226 and the mixing outer pipe 225 extends outward, the extended end is connected with the other end of the air inlet pipe body 222, so that after biomass gas and air enter the outer pipe body 221, the biomass gas and the air can be crossed and circulated in the outer pipe mixing groove 2251 and the inner pipe mixing groove 2261, and the biomass gas and the air are shuttled back and forth between the outer mixing cavity 225A and the inner mixing cavity 226A in the circulation process to achieve the purpose of mixed biomass gas and air, so that the uniformity of the mixed biomass gas and the air entering the combustion chamber through the air inlet pipe body 222 is improved, and the problem that the biomass gas and the air are difficult to be completely mixed is solved.

In addition, a peripheral cavity 221B is formed between the mixing outer tube 225 and the outer tube body 221, so that biomass gas and air can shuttle back and forth between the outer mixing cavity 225A, the peripheral cavity 221B and the inner mixing cavity 226A, the mixing force is improved, and in order to facilitate the biomass gas and the air in the peripheral cavity 221B to enter the outer mixing cavity 225A, an outer plate 2252 is arranged outside the mixing outer tube 225, the outer surface of the outer plate 2252 inclines towards the outer tube mixing groove 2251 side to play a role in guiding flow, and further, the biomass gas and the air can conveniently circulate between the outer mixing cavity 225A and the peripheral cavity 221B.

It is worth to be noted that the top end of the outer tube 221 is provided with a connecting flange 2211, and the storage tank body for biomass gas and air is connected with the connecting flange 2211, so that the biomass gas and air are introduced.

Considering that the biomass gas and the air pressure after entering the outer tube 221 are insufficient, the impeller 223 is arranged in the outer tube 221, the impeller 223 is driven to rotate to generate an inhaled air flow, so that the biomass gas and the air can be driven to rapidly penetrate through the outer tube 221, and the mixing of the outer tube 225 and the inner tube 226 can be better realized.

In addition, in order to ensure the intake pressure of the intake pipe body 222, the inner diameter of the extended portion of the mixing outer pipe 225 and the mixing inner pipe 226 is smaller than the inner diameter of the mixing inner pipe 226, and a vortex chamber 225B is formed in the extended portion, and the driving end of the impeller 223 includes a motor 229, a connection frame 2291 is provided outside the motor 229, the connection frame 2291 does not seal the vortex chamber 225B to facilitate the circulation of gas, the motor 229 is mainly installed in the vortex chamber 225B, a driving shaft 2292 is connected to the output end of the motor 229, the driving shaft 2292 is fixedly connected to the impeller 223, a turbine 228 is provided outside the driving shaft 2292 at the position of the vortex chamber 225B, so that the pressure of the biomass vortex gas and the air output from the vortex chamber 225B is further increased by the rotation of the turbine 228 on the basis that the inner diameter of the vortex chamber 225B is reduced and the pressure is increased.

A shunt pipe 224 is arranged in the outer pipe body 221 at a position close to the mixing outer pipe 225, the shunt pipe 224 and the mixing outer pipe 225 are fixedly connected through a plurality of connecting plates 227, one side of the shunt pipe 224 close to the mixing outer pipe 225 is contracted inwards, the contracted inner diameter is matched with the inner diameter of the mixing inner pipe 226 so as to be matched with an impeller 223 to rotate to form high-pressure airflow in the shunt pipe 224 and the inner mixing cavity 226A, and low-pressure airflow is formed in an outer cavity 221A and an outer mixing cavity 225A between the shunt pipe 224 and the outer pipe body 221 so as to form a pressure difference, biomass gas and air which are shunted by the shunt pipe 224 rapidly enter the inner mixing cavity 226A from the outer cavity 221A and the outer mixing cavity 225A to be mixed under the pushing of the pressure difference, so that the shunt is performed, the shunted biomass gas and air are pressurized, and the shunted biomass gas and air are fully mixed, thereby improving the mixing uniformity of the biomass fuel gas and the air.

In the second embodiment, referring to fig. 5-7, a hot air transmission set 230 is disposed outside the outer casing 210, the hot air transmission set 230 includes a heat collecting ring 231, a heat collecting cavity 231A is formed between the heat collecting ring 231 and the outer casing 210 in a closed manner, the hot air transmission set 230 further includes a transmission ring 232, the transmission ring 232 is disposed outside the outer tubular body 221, a transmission cavity 232A is formed between the transmission ring 232 and the outer tubular body 221 in a closed manner, a transmission tube 233 is disposed between the heat collecting ring 231 and the transmission ring 232, and a negative pressure pump 234 is disposed outside the transmission tube 233, so that heat generated during combustion in the combustion chamber is transmitted from the outer wall of the outer casing 210 to the inside of the heat collecting cavity 231A, and then the negative pressure pump 234 transmits the heat to the inside of the transmission cavity 232A through the transmission tube 233, at this time, the heat in the transmission cavity 232A is transmitted from the outer wall of the outer tubular body 221 to the inside, so as to heat the biomass gas and air inside, thereby increasing the activity of molecules in the biomass gas and air, thereby allowing for sufficient and effective mixing of the molecules.

It is worth to be noted that a compression cavity 210A is formed between the piston 211 and the outer housing 210 after moving up to the top dead center, the bottom of the compression cavity 210A is a movable cavity 210B, the compression cavity 210A and the movable cavity 210B form a combustion chamber, the compression cavity 210A is a final combustion cavity, and the movable cavity 210B provides a moving space for the piston 211;

the heat collecting ring 231 is arranged at the periphery of the compression cavity 210A, so that heat generated by combustion can be absorbed more effectively, and a gap is reserved between the top of the heat collecting ring 231 and the outer wall of the outer shell 210, so that air flow can flow, and heat can be carried by air for transmission.

The foregoing shows and describes the general principles, principal features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A biomass gas internal combustion generator set comprises a driving main body (100), wherein an internal combustion mechanism (200) is arranged at the top of the driving main body (100), a crank-link mechanism is arranged in the driving main body (100), the internal combustion mechanism (200) drives the crank-link mechanism to transmit by using biomass gas as energy, a power generation main body (300) is arranged on one side of the driving main body (100), a storage battery (400) is arranged on one side of the power generation main body (300), a rotor is arranged in the power generation main body (300) and is driven by the crank-link mechanism to rotate, then a magnetic induction line is cut to generate current, the internal combustion mechanism (200) comprises an outer shell (210), a combustion chamber is arranged in the outer shell (210), a piston (211) is connected in the combustion chamber in a sliding manner, and a connecting groove (2111) is formed in the bottom of the piston (211), the internal rotation of connecting groove (2111) is connected with connecting rod (212), its characterized in that: the internal combustion mechanism (200) further comprises a biomass gas inlet pipe assembly (220), the biomass gas inlet pipe assembly (220) is arranged at the top of the outer shell (210), the biomass gas inlet pipe assembly (220) comprises an outer pipe body (221) and an air inlet pipe body (222), one end of the air inlet pipe body (222) penetrates through the top wall of the outer shell (210) to be communicated with the combustion chamber, an air inlet valve (2221) is arranged in the air inlet pipe body (222), a mixing outer pipe (225) is arranged in the outer pipe body (221), a mixing inner pipe (226) is arranged in the mixing outer pipe (225), an inner mixing cavity (226A) is formed in the mixing inner pipe (226), an outer pipe mixing groove (2251) is formed in the outer wall of the mixing outer pipe (225), an inner pipe mixing groove (2261) is formed in the outer wall of the mixing inner pipe (226), and the mixing inner pipe (226) inclines to the inner side, an outer mixing cavity (225A) is formed between the inner mixing pipe and the outer mixing pipe (225), the joint of the inner mixing pipe (226) and the outer mixing pipe (225) extends outwards, and the extending end part is connected with the other end of the air inlet pipe body (222);

an impeller (223) is arranged in the outer pipe body (221), a driving end is arranged on one side of the impeller (223), and the impeller (223) is driven to generate airflow entering the outer pipe body (221);

the inner diameter of the extended part of the mixing outer pipe (225) and the mixing inner pipe (226) is smaller than that of the mixing inner pipe (226), and a vortex pressure cavity (225B) is arranged in the extended part;

the driving end comprises a motor (229), a connecting frame (2291) capable of circulating gas is arranged outside the motor (229), the output end of the motor (229) is connected with a driving shaft (2292), the driving shaft (2292) is fixedly connected with an impeller (223), and a turbine (228) is arranged outside the driving shaft (2292) and located at the position of an eddy pressure cavity (225B).

2. The biomass gas internal combustion generator set of claim 1, wherein: an outer peripheral cavity (221B) is formed between the mixing outer tube (225) and the outer tube body (221).

3. The biomass gas internal combustion generator set of claim 2, wherein: an outer plate (2252) is arranged on the outer side of the mixing outer pipe (225), and the outer surface of the outer plate (2252) is inclined toward the outer pipe mixing groove (2251).

4. The biomass gas internal combustion generator set of claim 1, wherein: a shunt pipe (224) is arranged at a position close to the mixing outer pipe (225) in the outer pipe body (221), and the shunt pipe (224) and the mixing outer pipe (225) are fixedly connected through a plurality of connecting plates (227).

5. The biomass gas internal combustion generator set of claim 4, wherein: one side of the shunt pipe (224) close to the mixing outer pipe (225) is contracted inwards, and the contracted inner diameter is matched with the inner diameter of the mixing inner pipe (226).

6. The biomass gas internal combustion generator set of claim 1, wherein: the utility model provides a hot air transmission group (230) is provided with outward to outer casing (210), hot air transmission group (230) is including heat collecting ring (231), the closure forms heat collecting cavity (231A) between heat collecting ring (231) and outer casing (210), hot air transmission group (230) still includes conduction ring (232), conduction ring (232) set up outside outer body (221), the closure forms conduction cavity (232A) between conduction ring (232) and outer body (221), be provided with transmission pipe (233) between heat collecting ring (231) and conduction ring (232), transmission pipe (233) are provided with negative pressure pump (234) outward.

7. The biomass gas internal combustion generator set of claim 6, wherein: piston (211) move up after top dead center and shell body (210) between form compression cavity (210A), the bottom of compression cavity (210A) is activity cavity (210B), and compression cavity (210A) and activity cavity (210B) constitute the combustion chamber, wherein:

the heat collecting ring (231) is arranged at the periphery of the compression cavity (210A).