CN215782573U

CN215782573U - Gas-liquid separation device for straw carbonization

Info

Publication number: CN215782573U
Application number: CN202121266569.4U
Authority: CN
Inventors: 吕慧捷; 袁小伟; 徐永刚; 道尔吉才仁; 付国胜
Original assignee: Bayinguoleng Vocational And Technical College
Current assignee: Bayinguoleng Vocational And Technical College
Priority date: 2021-06-03
Filing date: 2021-06-03
Publication date: 2022-02-11
Anticipated expiration: 2031-06-03

Abstract

The utility model provides a gas-liquid separation device that straw carbomorphism was used which characterized in that: the device comprises a gas-liquid separation inner tank and a gas-liquid separation outer tank, wherein the bottom of the gas-liquid separation inner tank is communicated with the bottom of the gas-liquid separation outer tank, and absorption liquid is arranged in the gas-liquid separation inner tank and the gas-liquid separation outer tank; the gas-liquid separation inner tank be connected with living beings gas eduction tube and wooden gas induction pipe, wooden gas induction pipe and retort reation kettle intercommunication, living beings gas eduction tube and heat preservation kitchen range intercommunication, the outer jar of gas-liquid separation on be connected with wooden liquid eduction tube. The method has the advantages that the effective components are separated and recovered, the pollution to the environment is reduced, and meanwhile, the heat can be recycled.

Description

Gas-liquid separation device for straw carbonization

Technical Field

The application relates to the technical field of straw carbonization, in particular to a gas-liquid separation device for straw carbonization.

Background

The straw is a crop with large yield, a large amount of straw can be produced in the harvest season every year, the straw can not be directly combusted, the yield is large, the straw is not convenient to use as compost, the straw can be fully recycled at best along with the aggravation of environmental pollution, and therefore the post-processing and retreatment of the straw become the technical problem to be solved urgently.

At present, in order to effectively utilize a large amount of straws and improve the added value of the straws, most of the straws are carbonized by a straw carbonization device so as to obtain renewable energy which can replace coal; during the carbonization process of the straws, the straws can be gradually dried, carbonized and cracked along with the change of time and temperature, steam and wood gas can be generated during the cracking process, the components of the wood gas are complex, and if the wood gas is not separated, recycled and reused, the energy source of the carbonization of the straws is not fully utilized, so that the carbonization flue gas is discharged into the environment to cause secondary pollution; in addition, high-temperature energy of steam and wood gas is directly wasted and cannot be effectively utilized.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the application provides a straw carbonization device which separates and recovers effective components, reduces the pollution to the environment and can recycle heat.

In order to solve the technical problem, the technical scheme adopted by the application is as follows: a gas-liquid separation device for straw carbonization comprises a gas-liquid separation inner tank and a gas-liquid separation outer tank, wherein the bottom of the gas-liquid separation inner tank is communicated with the bottom of the gas-liquid separation outer tank, and absorption liquid is arranged in the gas-liquid separation inner tank and the gas-liquid separation outer tank; the gas-liquid separation inner tank be connected with living beings gas contact tube and wooden gas induction pipe, wooden gas induction pipe and retort reation kettle intercommunication (in order to realize wooden gas leading-in to the gas-liquid separation inner tank), living beings gas contact tube and the heat preservation kitchen range intercommunication in the retort reation kettle outside, the outer jar of gas-liquid separation on be connected with wooden liquid contact tube.

Adopt above-mentioned structure, the gas-liquid separation jar is two-layer inside and outside, the bottom intercommunication, the gas-liquid separation jar is equipped with the absorption liquid (can adopt liquid water), when wooden gas is leading-in to the gas-liquid separation jar, wood tar, the pyroligneous solution in the wooden gas dissolve in the absorption liquid, remaining biomass combustible gas obtains the gathering on the upper portion of gas-liquid separation inner tank after the absorption, then in the biomass gas eduction tube reentrants heat preservation stove, carry retort fire pan position in the heat preservation stove again, thereby realize the effect of biomass gas backfire heating retort, thereby with the effectual utilization of energy, the resource is not extravagant.

Furthermore, a communicating hole is formed in the side wall, close to the bottom, of the gas-liquid separation inner tank, the communicating hole is communicated with the gas-liquid separation outer tank, absorption liquid is arranged in the gas-liquid separation outer tank, and the height of the absorption liquid is higher than that of the communicating hole; by adopting the structure, the wood gas can be smoothly guided into the absorption liquid water, the dissolution of wood tar and wood vinegar is realized, the wood tar and the wood vinegar are separated from the wood gas and effectively recovered, the height of the absorption liquid is higher than that of the communicating hole, and the wood gas is prevented from being discharged from the outer tank through the communicating hole to cause air pollution or energy loss.

Furthermore, the wood gas leading-in pipe extends into the end of the gas-liquid separation inner tank to a position where the height of the end is higher than that of the communicating hole; adopt above-mentioned structure, can be more abundant effectual with the absorption liquid contact with wooden gas to realize the abundant dissolution recovery and the separation of wood tar, pyrolkigneous liquid, prevent that wooden gas from causing between wooden gas induction pipe and the intercommunicating pore route too short and overflowing.

Further, the wood gas inlet pipe extends from the top of the gas-liquid separation inner tank to the inside and is contacted with the absorption liquid; by adopting the structure, the gas can be effectively and fully contacted with the absorption liquid, thereby ensuring that the wood tar and the wood vinegar are dissolved in the absorption liquid.

Further, the height of the gas-liquid separation inner tank is higher than that of the gas-liquid separation outer tank, and the biomass gas guide-out pipe is connected to the top of the gas-liquid separation inner tank; by adopting the structure, the biomass combustible gas can be gathered and generate pressure on the upper part of the gas-liquid separation inner tank, can be smoothly guided out from the biomass gas guide pipe on the upper part, and then is conveyed to the fire plate of the carbonization furnace through the biomass gas guide pipe.

Further, the number of the communication holes is one or more (at least two or more), and when a plurality of communication holes are arranged, the communication holes are uniformly distributed on the side wall along the circumferential direction of the gas-liquid separation inner tank; by adopting the structure, the connection between the inner tank and the outer tank can be effectively realized

Further, the discharge end of the wood liquid delivery pipe is connected with the wood vinegar purifying device, and the discharge end of the wood liquid delivery pipe is positioned at the upper part of the wood vinegar purifying device; by adopting the structure, the pyroligneous liquor is electrically heated in the pyroligneous liquor purifying device, the pyroligneous liquor is gasified after reaching a certain temperature, the gasified pyroligneous liquor is cooled at the top end of the purifying device, the cooled pyroligneous liquor is collected by the pyroligneous liquor reflux tank and flows into the pyroligneous liquor collecting box through a pipeline, and the main component of the purified pyroligneous liquor is wood tar which flows into the wood tar collecting box through the wood tar discharge valve.

Further, the upper part of the pyroligneous liquor purifying device is connected with a pyroligneous liquor guide pipe which is communicated with a pyroligneous liquor collecting box, and the lower part of the pyroligneous liquor purifying device is connected with a wood tar discharging valve which is communicated with the wood tar collecting box.

Further, the pyroligneous liquor guide pipe is composed of a first guide section and a second guide section, one end of the first guide section is connected with a cooling cover of the pyroligneous liquor purification device, the other end of the first guide section is connected with the second guide section, the connecting end of the first guide section and the cooling cover is higher than the connecting end of the second guide section, a pyroligneous liquor guide groove is arranged in the cooling cover, the outlet of the pyroligneous liquor guide groove is connected with the first guide section, and the outlet end of the pyroligneous liquor guide groove is lower than the inlet end of the pyroligneous liquor guide groove; the tail end of the second diversion section is connected with the pyroligneous liquid collecting box. By adopting the structure, the pyroligneous liquid is cooled in the cooling cover and then enters the diversion trench, and the diversion trench is high at one end and low at the other end, so that the pyroligneous liquid can flow out fully; the wood vinegar liquid guide pipe is arranged into two sections, so that wood vinegar liquid is conveniently introduced into the wood vinegar liquid collecting box.

Further, a heat insulation layer is arranged on the pyroligneous liquor purification device, the heat insulation layer is positioned on the outer side wall of the pyroligneous liquor purification device, a heating space is formed between the heat insulation layer and the outer side wall of the pyroligneous liquor purification device, and a heating resistor is arranged in the heating space; by adopting the structure, the pyroligneous acid purifying device can be effectively heated, and the operation is convenient.

Drawings

Fig. 1 is a schematic view of the structure of a gas-liquid separation apparatus according to the present application.

FIG. 2 is a schematic view of a sectional D-D structure of the gas-liquid separator of the present application.

Fig. 3 is a schematic view showing the structure of a pyroligneous acid purification apparatus of the present application.

Fig. 4 is a schematic view showing a sectional structure of a pyroligneous acid refining apparatus according to the present application.

FIG. 5 is a schematic view showing the connection structure of the gas-liquid separation apparatus and the pyroligneous liquor purification apparatus.

FIG. 6 is a schematic view showing the structure of the gas-liquid separation apparatus, the pyroligneous acid purification apparatus and the carbonization furnace according to the present invention.

As shown in the attached drawings: a. the wood vinegar production device comprises a reaction kettle, an a1. heat preservation stove, 1.1 a gas-liquid separation inner tank, 1.2 a gas-liquid separation outer tank, 1.3 intercommunicating holes, 2 a biomass gas leading-out pipe, 3 a wood gas leading-in pipe, 4 a wood liquid leading-out pipe, 5 a wood vinegar purifying device, 5.1 a wood vinegar guiding pipe, 5.11 a first guiding section, 5.12 a second guiding section, 5.2 a wood tar discharge valve, 5.3 a wood vinegar guiding groove, 5.4 a heat insulation layer, 5.5 a heating resistor, 6 a wood vinegar collecting box and 7 a wood tar collecting box.

Detailed Description

The drawings and the following description depict specific embodiments of the application to teach those skilled in the art how to make and use the best mode of the application. For the purpose of teaching inventive principles, some conventional aspects have been simplified or omitted. Those skilled in the art will appreciate variations from these embodiments that fall within the scope of the invention. Those skilled in the art will appreciate that the features described below can be combined in various ways to form multiple variations of the present application. Thus, the present application is not limited to the specific embodiments described below, but only by the claims and their equivalents.

The gas-liquid separation device for straw carbonization shown in attached figures 1-4 comprises a gas-liquid separation inner tank 1.1 and a gas-liquid separation outer tank 1.2, wherein the bottom of the gas-liquid separation inner tank 1.1 is communicated with the bottom of the gas-liquid separation outer tank 1.2, and absorption liquid (water can be used as the water absorption liquid shown in attached figure 2) is arranged in the gas-liquid separation inner tank 1.1 and the gas-liquid separation outer tank 1.2; gas-liquid separation inner tank 1.1 be connected with living beings gas eduction tube 2 and wooden gas induction tube 3, wooden gas induction tube 3 and retort reation kettle a intercommunication (in order to realize inputing the wooden gas that reation kettle carbonization process produced to the gas-liquid separation inner tank), living beings gas eduction tube 2 and heat preservation kitchen range a1 intercommunication, gas-liquid separation outer tank 1.2 on be connected with wooden liquid eduction tube 4.

By adopting the structure, the gas-liquid separation tank is divided into the inner layer and the outer layer, the bottom is communicated, the gas-liquid separation tank is filled with absorption liquid (liquid water can be adopted), when the wood gas is guided into the gas-liquid separation tank, wood tar and wood vinegar in the wood gas are dissolved into the absorption liquid, the residual biomass combustible gas after absorption is gathered at the upper part of the gas-liquid separation inner tank, and then enters the heat preservation stove again through the biomass gas guide pipe and is conveyed to the position of the carbonization furnace fire plate in the heat preservation stove, so that the effect of heating the carbonization furnace by the biomass gas through back combustion is realized, the energy is effectively utilized, and the resource is not wasted; the application discloses retort is the heat preservation kitchen range that has included reation kettle and the reation kettle outside, and the lower part setting of heat preservation kitchen range can realize the retort fire dish of heating to reation kettle, and living beings gas just lets in to the fire dish position through the pipeline and can thermal reuse.

As shown in the attached drawing 2, a communicating hole 1.3 is formed in the side wall, close to the bottom, of the inner gas-liquid separation tank 1.1, the communicating hole 1.3 is communicated with an outer gas-liquid separation tank 1.2, absorption liquid is arranged in the outer gas-liquid separation tank, and the height of the absorption liquid is higher than that of the communicating hole 1.3; by adopting the structure, the absorption liquid realizes the flowing and storage between the inner tank and the outer tank through the communicating hole, so that the wood gas can be smoothly guided into the absorption liquid, the dissolution of the wood tar and the wood vinegar (the wood gas separated from the wood tar and the wood vinegar becomes the biomass gas at this moment), the separation between the wood gas and the wood tar is realized, the height of the absorption liquid is higher than that of the communicating hole, and the direct emptying of the wood gas through the outer tank is prevented, thereby causing environmental pollution and energy loss.

As shown in fig. 2, the wood gas inlet pipe 3 extends into the gas-liquid separation inner tank 1.1 to the end height of the communicating hole 1.3 (i.e. the wood gas inlet pipe is higher than the communicating hole at the gas-liquid separation inner tank); adopt above-mentioned structure, can be more abundant effectual with the absorption liquid contact with wooden gas to realize the abundant dissolution recovery and the separation of wood tar, pyrolkigneous liquid, prevent that wooden gas from causing between wooden gas induction pipe and the intercommunicating pore route too short and overflowing.

As shown in fig. 2, the wood gas inlet pipe 3 of the present application extends from the top to the inside of the gas-liquid separation inner tank 1.1, and contacts with the absorption liquid; by adopting the structure, the gas can be effectively and fully contacted with the absorption liquid (the contact can be inserted into the liquid or is not separated from the liquid surface), thereby ensuring that the wood tar and the wood vinegar are dissolved in the absorption liquid.

As shown in fig. 1-2, the height of the gas-liquid separation inner tank 1.1 is higher than that of the gas-liquid separation outer tank 1.2, and the biomass gas discharge pipe 2 is connected to the top of the gas-liquid separation inner tank 1.1; by adopting the structure, the biomass combustible gas can be gathered at the upper part of the gas-liquid separation inner tank, can be smoothly guided out from the biomass gas guide pipe at the upper part, and then is conveyed to the fire plate of the carbonization furnace through the biomass gas guide pipe.

As shown in fig. 3-5, the discharge end of the wood liquid outlet pipe 4 is connected to the wood vinegar purifying device 5, and the discharge end of the wood liquid outlet pipe 4 is located at the upper part of the wood vinegar purifying device 5; as shown in the attached figures 3-5, the upper part of the pyroligneous liquor purifying device 5 is connected with a pyroligneous liquor guide pipe 5.1, the pyroligneous liquor guide pipe 5.1 is communicated with a pyroligneous liquor collecting box 6, the lower part of the pyroligneous liquor purifying device 5 is connected with a wood tar discharging valve 5.2, and the wood tar discharging valve 5.2 is communicated with a wood tar collecting box 7. By adopting the structure, the pyroligneous liquor is electrically heated in the pyroligneous liquor purifying device, the pyroligneous liquor is gasified after reaching a certain temperature, the gasified pyroligneous liquor is cooled at the top end of the purifying device 5, the cooled pyroligneous liquor is collected by the pyroligneous liquor reflux tank and flows into the pyroligneous liquor collecting box through a pipeline, and the main component of the purified pyroligneous liquor is wood tar which flows into the wood tar collecting box through the wood tar discharge valve.

As shown in fig. 4, the pyroligneous liquor guiding pipe 5.1 of the present application is composed of a first guiding section 5.11 and a second guiding section 5.12, wherein one end of the first guiding section is connected with the cooling cover of the pyroligneous liquor purifying device 5, the other end of the first guiding section is connected with the second guiding section, and the connecting end of the first guiding section and the cooling cover is higher than the connecting end of the second guiding section (i.e. the connecting end of the first guiding section and the cooling cover is higher than the connecting end of the first guiding section and the second guiding section), a pyroligneous liquor guiding groove 5.3 is arranged in the cooling cover, the outlet of the pyroligneous liquor guiding groove 5.3 is connected with the first guiding section 5.11, and the outlet of the pyroligneous liquor guiding groove 5.3 is lower than the inlet thereof (i.e. the height of the other end of the pyroligneous liquor guiding groove opposite to the connecting end of the first guiding section is lower, so that the collected pyroligneous liquor can conveniently flow into the first guiding section); the tail end of the second diversion section 5.12 is connected with the pyroligneous liquor collecting box 6. By adopting the structure, the pyroligneous liquid is cooled in the cooling cover and then enters the diversion trench, and the diversion trench is high at one end and low at the other end, so that the pyroligneous liquid can flow out fully; the pyroligneous liquor guide pipe is arranged into two sections, so that the pyroligneous liquor can be conveniently introduced into the pyroligneous liquor collecting box; as shown in fig. 4, the diversion trench is a ring-shaped collection trench surrounding the inner side wall of the cooling cover of the pyroligneous liquor purification device 5, and the side of the collection trench far away from the diversion tube 5.1 is higher than the side connected with the diversion tube, so that the pyroligneous liquor can flow conveniently.

As shown in fig. 4, a heat insulation layer 5.4 is arranged on the pyroligneous liquor purifying device 5, the heat insulation layer 5.4 is positioned on the outer side wall of the pyroligneous liquor purifying device 5, a heating space is formed between the heat insulation layer 5.4 and the outer side wall of the pyroligneous liquor purifying device 5, and a heating resistor 5.5 is arranged in the heating space; by adopting the structure, the pyroligneous acid purifying device can be effectively heated, and the operation is convenient.

The application of the above structure: in the straw carbonization process, the straws are gradually dried and carbonized and cracked along with the change of time and temperature, and in the cracking process, steam and wood gas flow to a gas-liquid separation device through a wood gas pipeline until the carbonization and cracking process is finished; gas generated by cracking straws in the carbonization process enters a gas-liquid separation device through a wood gas guide pipe, the wood gas guide pipe extends into the middle lower part of a gas-liquid separation tank, the gas-liquid separation tank is divided into an inner layer and an outer layer, the bottoms of the inner layer and the outer layer are communicated, absorption liquid is filled in the gas-liquid separation tank, when the wood gas is guided into the gas-liquid separation tank, wood tar and wood vinegar liquid in the wood gas are dissolved into the liquid, and the residual biomass combustible gas is gathered at the upper part of a barrel in a reaction tank and is conveyed to a fire plate of a carbonization furnace through a gas guide pipe, so that the biomass gas is burned back to heat the carbonization furnace; (the water in the outer cylinder (water storage tank) of the reaction tank is used for balancing the pressure generated by the biomass gas). When the wood liquid reaches a certain height, the wood liquid can flow into the wood vinegar purifying device through the wood liquid eduction tube; after flowing into the pyroligneous liquor purification device, the wood vinegar is electrically heated in a pyroligneous liquor purification reaction kettle, the pyroligneous liquor is gasified after reaching a certain temperature, the gasified pyroligneous liquor is cooled at the top end of the reaction kettle, and the cooled pyroligneous liquor is collected by a pyroligneous liquor reflux tank and flows into a pyroligneous liquor collection box through a pipeline; the main component of the purified wood liquid is wood tar, and the wood liquid flows into a wood tar collecting box through a wood tar discharge valve.

Claims

1. The utility model provides a gas-liquid separation device that straw carbomorphism was used which characterized in that: the device comprises a gas-liquid separation inner tank and a gas-liquid separation outer tank, wherein the bottom of the gas-liquid separation inner tank is communicated with the bottom of the gas-liquid separation outer tank, and absorption liquid is arranged in the gas-liquid separation inner tank and the gas-liquid separation outer tank; the gas-liquid separation inner tank be connected with living beings gas eduction tube and wooden gas induction pipe, wooden gas induction pipe and retort reation kettle intercommunication, living beings gas eduction tube and the heat preservation kitchen range intercommunication in the retort reation kettle outside, the gas-liquid separation outer tank on be connected with wooden liquid eduction tube.

2. The gas-liquid separation device for straw carbonization according to claim 1, characterized in that: the side wall of the gas-liquid separation inner tank close to the bottom is provided with a communicating hole, the communicating hole is communicated with the gas-liquid separation outer tank, absorption liquid is arranged in the gas-liquid separation outer tank, and the height of the absorption liquid is higher than that of the communicating hole.

3. The gas-liquid separation device for straw carbonization according to claim 2, characterized in that: the wood gas leading-in pipe extends into the end of the gas-liquid separation inner tank to a position where the height of the end is higher than that of the communicating hole.

4. The gas-liquid separation device for straw carbonization according to claim 1, characterized in that: the wood gas inlet pipe extends from the top of the gas-liquid separation inner tank to the inside and is contacted with the absorption liquid phase.

5. The gas-liquid separation device for straw carbonization according to claim 1, characterized in that: the height of the gas-liquid separation inner tank is higher than that of the gas-liquid separation outer tank, and the biomass gas guide-out pipe is connected to the top of the gas-liquid separation inner tank.

6. The gas-liquid separation device for straw carbonization according to claim 2, characterized in that: the number of the communication holes is one or more, and when a plurality of communication holes are arranged, the communication holes are uniformly distributed on the side wall along the circumferential direction of the gas-liquid separation inner tank.

7. The gas-liquid separation device for straw carbonization according to claim 2, characterized in that: the discharge end of the wood liquid eduction tube is connected with the wood vinegar purifying device, and the discharge end of the wood liquid eduction tube is positioned at the upper part of the wood vinegar purifying device.

8. The gas-liquid separation device for straw carbonization according to claim 7, characterized in that: the upper part of the pyroligneous acid purifying device is connected with a pyroligneous acid guide pipe which is communicated with a pyroligneous acid collecting box, and the lower part of the pyroligneous acid purifying device is connected with a wood tar discharging valve which is communicated with the wood tar collecting box.

9. The gas-liquid separation device for straw carbonization according to claim 8, characterized in that: the pyroligneous liquor guide pipe is composed of a first guide section and a second guide section, one end of the first guide section is connected with a cooling cover of the pyroligneous liquor purification device, the other end of the first guide section is connected with the second guide section, the connecting end of the first guide section and the cooling cover is higher than the connecting end of the second guide section, a pyroligneous liquor guide groove is arranged in the cooling cover, the outlet of the pyroligneous liquor guide groove is connected with the first guide section, and the outlet end of the pyroligneous liquor guide groove is lower than the inlet end of the pyroligneous liquor guide groove; the tail end of the second diversion section is connected with the pyroligneous liquid collecting box.

10. The gas-liquid separation device for straw carbonization according to claim 9, characterized in that: the pyroligneous liquor purification device is characterized in that a heat insulation layer is arranged on the pyroligneous liquor purification device, the heat insulation layer is positioned on the outer side wall of the pyroligneous liquor purification device, a heating space is formed between the heat insulation layer and the outer side wall of the pyroligneous liquor purification device, and a heating resistor is arranged in the heating space.