CN114214092B

CN114214092B - Process and device for producing methanol by biomass gasification

Info

Publication number: CN114214092B
Application number: CN202210165080.0A
Authority: CN
Inventors: 龚小梅; 梁晓伟; 曹宏
Original assignee: Xuan Jie Cmi Holdings Ltd; Tianjin Qixun Technology Co ltd
Current assignee: Xuan Jie Cmi Holdings Ltd; Tianjin Qixun Technology Co ltd
Priority date: 2022-02-23
Filing date: 2022-02-23
Publication date: 2022-05-03
Anticipated expiration: 2042-02-23
Also published as: CN114214092A

Abstract

The embodiment of the application provides a process and a device for producing methanol by biomass gasification, and relates to the technical field of chemical equipment. This biomass gasification produces device of methyl alcohol includes: a reaction furnace and a feeding box. The feeding box set up in the top of reation furnace, just the bottom of feeding box through the connecting tube with the top feed inlet intercommunication of reation furnace, the top intercommunication of feeding box has the inlet pipe, the inside slidable mounting of feeding box has scraping wings and closing plate, the surface of scraping wings with the surface of closing plate all installs joint strip, just joint strip with the inner wall laminating of feeding box is sealed. This application can promote the raw materials that enters into the feeding incasement through flexible material pushing part and scraping wings cooperation, can carry the raw materials to the reacting furnace in, and through scraping wings, closing plate and joint strip cooperation, can keep the leakproofness of feeding case at the in-process that the raw materials was carried, reduces the possibility that the gas in the reacting furnace revealed through the feeding case.

Description

Process and device for producing methanol by biomass gasification

Technical Field

The application relates to the technical field of chemical equipment, in particular to a process and a device for producing methanol by biomass gasification.

Background

In the related art, the gasification of biomass for producing methanol is a method for producing methanol by using straws as a raw material and adopting various processing methods such as thermochemical cracking, and the thermochemical cracking of the straw raw material is usually carried out in a reaction furnace by using air as a gasifying agent.

When the straw raw materials are put into the reaction furnace, the gas in the reaction furnace is easy to leak, and the working environment of workers is polluted.

Disclosure of Invention

The present application is directed to solving at least one of the problems in the prior art. Therefore, the process and the device for producing the methanol through biomass gasification have a sealing function, and gas leakage can be avoided.

The application also provides a device for producing methanol by biomass gasification.

The device for producing methanol by biomass gasification according to the embodiment of the first aspect of the application comprises: a reaction furnace and a feeding box. The feeding box set up in the top of reation furnace, just the bottom of feeding box through the connecting pipe with the top feed inlet intercommunication of reation furnace, the top intercommunication of feeding box has the inlet pipe, the inside slidable mounting of feeding box has scraping wings and closing plate, the surface of scraping wings with joint strip is all installed on the surface of closing plate, just joint strip with the inner wall laminating of feeding box is sealed, the scraping wings with connect through the connecting rod between the closing plate, the surface mounting of feeding box has flexible material pushing member, the expansion end of flexible material pushing member with the scraping wings is connected.

According to device of methyl alcohol is produced in biomass gasification of this application embodiment, beneficial effect is through flexible material pushing member and scraping wings cooperation, can promote the raw materials that enters into the feeding incasement, can carry the raw materials to the reacting furnace in, and through scraping wings, closing plate and joint strip cooperation, can keep the leakproofness of feeding case at the in-process that the raw materials was carried, reduces the possibility that the gas in the reacting furnace revealed through the feeding case.

In addition, the biomass gasification methanol production device according to the embodiment of the application has the following additional technical characteristics:

according to some embodiments of the present application, the reaction furnace is a biomass gasification furnace, and the support legs are installed at the bottom end of the reaction furnace.

According to some embodiments of the application, the reacting furnace is cylindrical, the stabilizer blade is provided with at least three along the global interval of reacting furnace, just the stabilizer blade with the junction integrated into one piece of reacting furnace.

According to some embodiments of the application, branch is installed to the terminal surface under the feeding case, just two liang of opposite settings of branch.

According to some embodiments of the application, the connecting pipe with the inlet pipe is square pipe, just the connecting pipe with the junction of feeding case with the connecting pipe with the junction of reacting furnace all is provided with sealed glue coating.

According to some embodiments of the present application, the inlet pipe with the connecting pipe is located respectively the upper and lower both sides of feeding case, just the inlet pipe with the connecting pipe is located respectively the left and right sides of feeding case.

According to some embodiments of the application, the center of the feed box forms a transition zone, and the transition zone is located between the connecting pipe and the feed pipe.

According to some embodiments of the present application, the ejector plate and the sealing plate are the same size, and the ejector plate and the sealing plate are arranged in parallel.

According to some embodiments of the application, flexible blevile of push includes first extensible member, even board and the body of rod, first extensible member is fixed the surface of feeding case, even the board install in the expansion end of first extensible member, the body of rod is fixed link the surface of board, the one end of the body of rod slides and runs through the feeding case, just the body of rod with scraping wings fixed connection, the body of rod with first extensible member parallel arrangement.

According to some embodiments of this application, the inside of inlet pipe is provided with guide mechanism, guide mechanism includes main shaft pole, guide board and spacing seat, the main shaft pole rotate install in the inside of inlet pipe, the guide board is fixed in the surface of main shaft pole, just flexible support piece is installed to the lower terminal surface of guide board, the internally mounted of inlet pipe has the bracing piece, flexible support piece's the other end with the bracing piece is connected, spacing seat set up in the inside of inlet pipe, just the lower terminal surface of spacing seat with the up end laminating of guide board.

According to some embodiments of this application, the haulage rope is installed to the up end of guide board, just the other end of haulage rope with the expansion end of flexible material piece that pushes away is connected, the surface mounting of guide board has the sealing strip, just the sealing strip with the sealed laminating of inlet pipe inner wall.

According to some embodiments of the application, the top of spacing seat is provided with the drainage inclined plane, just the surface mounting of spacing seat has the outer tube, slide pipe in the inside slidable mounting of outer tube, just the gas pocket is seted up on the surface of interior slide pipe, the plate body is installed to the one end of interior slide pipe, just one side of plate body with the tip laminating of outer tube is sealed, the surface mounting of spacing seat has the second extensible member, just the expansion end of second extensible member with plate body fixed connection, the surface mounting of reacting furnace has the air pump, the output of air pump with the outer tube intercommunication.

According to some embodiments of the application, the outer tube intercommunication has a piston section of thick bamboo, the inside slidable mounting of piston section of thick bamboo has the piston head, the push rod is installed to the lower terminal surface of piston head, the bottom of push rod slides and runs through the piston section of thick bamboo, just the lower terminal surface of piston head with install reset spring between the inside bottom of piston section of thick bamboo.

According to some embodiments of the application, flexible support piece is any one of cylinder, electric putter and spring, just flexible support piece with the junction of guide board with flexible support piece with the junction of bracing piece is the rotation connection.

According to some embodiments of this application, the inside of feeding case is provided with filtering mechanism, filtering mechanism includes pivot, filter and third extensible member, pivot one end is installed the surface of filter, the other end of pivot with the inner wall of feeding case rotates and connects, the one end of third extensible member articulate in the feeding case, the other end of third extensible member articulate in the filter.

According to some embodiments of the application, the surface mounting of filter has the fourth extensible member, the frid has been cup jointed in the bottom slip of filter, the expansion end and the frid fixed connection of fourth extensible member, the frid the lower terminal surface with form feedstock channel between the up end of spacing seat.

The process for producing methanol by biomass gasification according to the embodiment of the second aspect of the application comprises the device for producing methanol by biomass gasification according to the embodiment of the first aspect of the application, and the following steps:

the method comprises the following steps: treatment of raw materials: selecting corn straws as a biomass raw material, and cleaning and crushing the selected biomass raw material;

step two: preparing biomass feed gas: performing thermochemical cracking on the crushed biomass raw material in a reaction furnace by taking air as a gasifying agent to prepare raw biomass gas;

step three: preparing biomass synthesis gas: the biomass raw material gas is deoxidized, decoked, purified and hydrogen-blended to prepare biomass synthesis gas, and then the biomass synthesis gas is compressed by a compressor to obtain methanol.

Additional aspects and advantages of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application.

When the straw is used as the raw material to prepare the methanol, the straw raw material is cleaned and cut, water liquid is easily remained on the surface of the cleaned straw raw material, and if the water liquid content is too much, the effect of methanol production is easily reduced (for example, the thermal processing time is increased during thermal chemical cracking).

When raw materials are added into the feeding box, the telescopic pushing piece is regulated and controlled firstly, the telescopic pushing piece drives the pushing plate to move until one side of the pushing plate is attached to the inner wall of the feeding box, the movable end of the telescopic pushing piece can pull the traction rope until the traction rope is tightened, after the traction rope is tightened, the movable end of the telescopic pushing piece continues to pull the traction rope, the traction rope can pull the guide plate, the guide plate rotates around the spindle rod until the upper end face of the guide plate is attached to the limiting seat, after the raw materials are poured into the feeding pipe, the guide plate can support the raw materials, the air pump is started, the air pump can convey air into the outer sleeve and further convey the air into the inner sliding pipe, the air can be discharged through the air holes in the surface of the inner sliding pipe, the raw materials in the feeding pipe can be dried, the drying of water liquid on the surface of the raw materials is accelerated, the second telescopic piece is regulated and controlled, and the movable end of the second telescopic piece can pull the plate body to move, the inner sliding pipe is driven to move, the position of the air hole on the surface of the inner sliding pipe is changed, and the air conveying range can be adjusted, so that the air drying range is changed;

when the telescopic pushing piece drives the pushing plate, the pulling rope can be loosened from tightening when the pushing plate moves towards the direction of the sealing plate, the pulling rope can not guide the guide plate any more, the guide plate can surround the spindle rod under the pressure action of the raw material, the upper end face of the guide plate is separated from the limiting seat, the raw material on the upper end face of the guide plate can be conveyed into the feeding box, the support rod and the telescopic supporting piece can change the rotation amplitude of the guide plate and limit the rotation amplitude of the guide plate, the guide plate can limit the flow direction of the raw material, so that the raw material is guided to enter between the pushing plate and the sealing plate, the feeding is more stable, the possibility that the raw material enters between the pushing plate and the inner wall of the feeding box is reduced, the raw material is clamped between the pushing plate and the inner wall of the feeding box, and the possibility that the raw material blocks the pushing plate to move when the pushing plate is reset subsequently is reduced;

when the raw material of the upper end face of the guide plate is less, the upper end face of the guide plate is still attached to the limiting seat under the support of the telescopic support piece, when the raw material of the upper end face of the guide plate cannot be conveyed, the second telescopic piece is regulated and controlled, the movable end of the second telescopic piece can pull the plate body to move until one side of the plate body is attached to the outer sleeve, the inner sliding pipe can sink into the outer sleeve, the outer sleeve can seal air holes in the surface of the inner sliding pipe, gas in the outer sleeve can be conveyed into the piston cylinder, the air pressure in the piston cylinder is increased, the piston head in the piston cylinder can drive the push rod to move, the movable push rod can push the guide plate, the guide plate can rotate around the main shaft, the upper end face of the guide plate can be separated from the limiting seat, and the raw material can be conveyed.

When using the straw as raw materials preparation methyl alcohol, can wash, cut the straw raw materials, cut the straw, be in order to reduce the individual volume of raw materials to improve the efficiency of methyl alcohol preparation, however, the straw cutting back, the specification differs, if do not filter, sieve, bulky raw materials also can carry in the gasifier, reduces the effect of methyl alcohol production easily.

When raw materials are conveyed into the feeding pipe, the raw materials are poured into the surfaces of the filter plate and the limiting seat after the raw materials are conveyed, small-volume raw materials after being cut penetrate through a feeding channel formed between the lower end surface of the groove plate and the upper end surface of the limiting seat and fall onto the surface of the guide plate, large-volume raw materials cannot penetrate through the feeding channel formed between the lower end surface of the groove plate and the upper end surface of the limiting seat and cannot be fed, and the purpose of raw material screening can be achieved. Can make filtering mechanism's use more nimble, and regulate and control the third extensible member, the expansion end of third extensible member can support the filter, make the filter rotate around the pivot, and the filter is rotating the in-process, can promote the raw materials, do benefit to the removal of raw materials, reduce the sedimentary possibility of raw materials, and at the rotation in-process of filter, can make the cooperation of fourth extensible member support the frid and remove, can reach the filter and remove and push away the material, and the inconvenient effect of width of the feedstock channel who forms between the lower terminal surface of frid and the up end of spacing seat.

Drawings

To more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments of the present application will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that those skilled in the art can also obtain other related drawings based on the drawings without inventive efforts.

FIG. 1 is a schematic diagram of a biomass gasification methanol production plant according to an embodiment of the present application;

FIG. 2 is a schematic structural diagram of a feed box according to an embodiment of the present application;

FIG. 3 is a schematic structural view of the interior of a feed box according to an embodiment of the present application;

FIG. 4 is a schematic structural view of a connection of a stripper plate and a seal plate according to an embodiment of the present application;

FIG. 5 is a schematic structural view of the interior of a feed tube according to an embodiment of the present application;

FIG. 6 is a schematic structural diagram of a guide mechanism according to an embodiment of the present application;

FIG. 7 is a schematic diagram of the structure at A in FIG. 6 according to an embodiment of the present application;

FIG. 8 is a schematic structural diagram of a filter mechanism according to an embodiment of the present application;

fig. 9 is a schematic diagram of the structure at B in fig. 8 according to an embodiment of the present application.

Icon: 100-a reaction furnace; 110-a leg; 200-a feed box; 210-connecting a pipe; 220-a feed pipe; 230-a pusher plate; 240-sealing plate; 250-sealing rubber strips; 260-a connecting rod; 270-a telescopic pushing piece; 271-a first telescoping member; 272-connecting plate; 273-rod body; 280-struts; 300-a guide mechanism; 310-a main shaft; 320-a guide plate; 321-a traction rope; 322-a sealing strip; 330-a limiting seat; 340-a telescopic support; 350-support rods; 360-outer sleeve; 361-inner slide tube; 362-air holes; 363-a plate body; 364-a second telescoping member; 370-an air pump; 380-a piston cylinder; 381-the piston head; 382-a push rod; 400-a filter mechanism; 410-a rotating shaft; 420-a filter plate; 430-a third telescoping member; 440-a fourth telescoping member; 450-groove plate.

Detailed Description

The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.

To make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application.

An apparatus for producing methanol by biomass gasification according to an embodiment of the first aspect of the present application is described below with reference to the drawings.

As shown in fig. 1 to 9, an apparatus for producing methanol by gasifying biomass according to an embodiment of the present application includes: a reactor 100 and a feed box 200.

Wherein, the feeding box 200 is communicated with the feeding hole of the reaction furnace 100, and the feeding box 200 is used for conveying raw materials into the reaction furnace 100.

The feeding box 200 is arranged at the top end of the reaction furnace 100, the bottom end of the feeding box 200 is communicated with a top end feeding hole of the reaction furnace 100 through a connecting pipe 210, the top end of the feeding box 200 is communicated with a feeding pipe 220, a material pushing plate 230 and a sealing plate 240 are slidably arranged inside the feeding box 200, sealing rubber strips 250 are arranged on the surface of the material pushing plate 230 and the surface of the sealing plate 240 respectively, the sealing rubber strips 250 are attached and sealed with the inner wall of the feeding box 200, the material pushing plate 230 is connected with the sealing plate 240 through a connecting rod 260, a telescopic material pushing piece 270 is arranged on the surface of the feeding box 200, the movable end of the telescopic material pushing piece 270 is connected with the material pushing plate 230, when the reaction furnace is specifically implemented, raw materials can enter the feeding box 200 through the feeding pipe 220, the raw materials inside the feeding box 200 can be pushed to the connecting pipe 210 through the material pushing plate 230, and the raw materials can be conveyed to the reaction furnace 100 through the connecting pipe 210.

The operation of the apparatus for producing methanol by gasifying biomass according to one embodiment of the present application will be described with reference to the accompanying drawings.

Firstly, regulating and controlling the telescopic pushing piece 270 to enable the telescopic pushing piece 270 to drive the pushing plate 230 to move until one side of the pushing plate 230 is attached to the inner wall of the feeding box 200, and under the drive of the connecting rod 260, the sealing plate 240 moves to the central part of the feeding box 200, and the sealing rubber strip 250 on the surface of the sealing plate 240 can seal the feeding box 200 to avoid gas leakage in the reaction furnace 100;

feeding raw materials into the feeding box 200 through the feeding pipe 220, wherein the raw materials are positioned between the material pushing plate 230 and the sealing plate 240 in the feeding box 200;

the telescopic pushing piece 270 is regulated again, the movable end of the telescopic pushing piece 270 pushes the material pushing plate 230 to move towards the connecting pipe 210, and the sealing plate 240 and the raw material can move towards the connecting pipe 210;

when the sealing plate 240 moves above the connecting pipe 210, the pusher plate 230 may move to the central portion of the feeding box 200, and the sealing rubber strip 250 on the surface of the pusher plate 230 may seal the feeding box 200 to prevent gas leakage in the reaction furnace 100, and the raw material pushed by the pusher plate 230 may be transferred into the reaction furnace 100 through the connecting pipe 210.

Therefore, according to the device for producing methanol by biomass gasification in the embodiment of the application, the telescopic pushing piece 270 is matched with the pushing plate 230, so that the raw material entering the feeding box 200 can be pushed, the raw material can be conveyed into the reaction furnace 100, and the pushing plate 230, the sealing plate 240 and the sealing rubber strip 250 are matched, so that the sealing performance of the feeding box 200 can be maintained in the raw material conveying process, and the possibility of leakage of gas in the reaction furnace 100 through the feeding box 200 is reduced.

according to some embodiments of the present application, as shown in fig. 1, the reaction furnace 100 is a biomass gasification furnace, and the bottom end of the reaction furnace 100 is provided with a support leg 110, and the support leg 110 is used for supporting the reaction furnace 100 and increasing the height of the reaction furnace 100 from the ground; it can be understood that the reacting furnace 100 is cylindrical, the supporting legs 110 are arranged at least three along the circumferential surface of the reacting furnace 100 at intervals, and the connecting parts of the supporting legs 110 and the reacting furnace 100 are integrally formed, at least three supporting legs 110 are arranged, the reacting furnace 100 can be better supported, the reacting furnace 100 can be placed on the ground more stably, and the strength of the connecting parts of the supporting legs 110 and the reacting furnace 100 can be improved due to the integrally formed arrangement.

According to some embodiments of the present application, as shown in fig. 1 and 2, the lower end surface of the feed box 200 is installed with a supporting rod 280, and the supporting rods 280 are arranged opposite to each other, and in practical implementation, the supporting rod 280 is used for supporting the feed box 200, so that the feed box 200 is installed on the top end of the reaction furnace 100 more stably.

It can be understood that, as shown in fig. 1 to 4, the connecting pipe 210 and the feeding pipe 220 are both square pipes, and the joint between the connecting pipe 210 and the feeding box 200 and the joint between the connecting pipe 210 and the reaction furnace 100 are both provided with a sealant coating layer, which can improve the sealing performance of the connecting pipe 210.

According to some embodiments of the present disclosure, as shown in fig. 1 to 4, the feeding pipe 220 and the connecting pipe 210 are respectively located at upper and lower sides of the feeding box 200, and the feeding pipe 220 and the connecting pipe 210 are respectively located at left and right sides of the feeding box 200, the feeding pipe 220 and the connecting pipe 210 are arranged in a staggered manner, such that a transition region is formed at the center of the feeding box 200, and the transition region is located between the connecting pipe 210 and the feeding pipe 220, when the sealing plate 240 or the material pushing plate 230 moves to the transition region, the interior of the feeding box 200 can be separated, and the flow of gas in the feeding pipe 220 and the connecting pipe 210 is blocked, thereby achieving a sealing effect.

According to some embodiments of the present disclosure, the material pushing plate 230 and the sealing plate 240 have the same size, and the material pushing plate 230 and the sealing plate 240 are arranged in parallel, and have the same size, so that the universality of the material pushing plate 230 and the sealing plate 240 can be improved.

According to some embodiments of the present application, as shown in fig. 1 to 4, the telescopic material pushing member 270 includes a first telescopic member 271, a connecting plate 272 and a rod 273, the first telescopic member 271 is fixed on the surface of the feeding box 200, the connecting plate 272 is installed at a movable end of the first telescopic member 271, the rod 273 is fixed on the surface of the connecting plate 272, one end of the rod 273 slides through the feeding box 200, and the rod 273 is fixedly connected to the material pushing plate 230, the rod 273 and the first telescopic member 271 are arranged in parallel, in a specific implementation, the first telescopic member 271 is telescopic, and the movable end of the first telescopic member 271 can drive the connecting plate 272 and the rod 273 to move, thereby driving the material pushing plate 230 to move.

According to some embodiments of the present disclosure, as shown in fig. 1, 2, 3, 5, 6, and 7, a guide mechanism 300 is disposed inside the feeding pipe 220, the guide mechanism 300 includes a main shaft 310, a guide plate 320, and a stopper seat 330, the main shaft 310 is rotatably mounted inside the feeding pipe 220, the guide plate 320 is fixed on the surface of the main shaft 310, a telescopic support 340 is mounted on a lower end surface of the guide plate 320, a support rod 350 is mounted inside the feeding pipe 220, the other end of the telescopic support 340 is connected to the support rod 350, the stopper seat 330 is disposed inside the feeding pipe 220, and a lower end surface of the stopper seat 330 is attached to an upper end surface of the guide plate 320; a traction rope 321 is installed on the upper end surface of the guide plate 320, the other end of the traction rope 321 is connected with the movable end of the telescopic pushing piece 270, a sealing strip 322 is installed on the surface of the guide plate 320, and the sealing strip 322 is in sealing fit with the inner wall of the feeding pipe 220; the top end of the limiting seat 330 is provided with a drainage inclined plane, the surface of the limiting seat 330 is provided with an outer sleeve 360, the inside of the outer sleeve 360 is slidably provided with an inner sliding tube 361, the surface of the inner sliding tube 361 is provided with an air hole 362, one end of the inner sliding tube 361 is provided with a plate body 363, one side of the plate body 363 is in fit sealing with the end part of the outer sleeve 360, the surface of the limiting seat 330 is provided with a second telescopic piece 364, the movable end of the second telescopic piece 364 is fixedly connected with the plate body 363, the surface of the reaction furnace 100 is provided with an air pump 370, the output end of the air pump 370 is communicated with the outer sleeve 360 and is communicated with a piston cylinder 380, the inside of the piston cylinder 380 is slidably provided with a piston head 381, the lower end surface of the piston head 381 is provided with a push rod 382, the bottom end of the push rod 382 slidably penetrates through the piston cylinder 380, a return spring is arranged between the lower end surface of the piston head 381 and the inside bottom end of the piston cylinder 380, when raw materials are added into the feeding box 200, firstly, regulating and controlling the telescopic pushing member 270 to make the telescopic pushing member 270 drive the material pushing plate 230 to move until one side of the material pushing plate 230 is attached to the inner wall of the material feeding box 200, and the movable end of the telescopic pushing member 270 can pull the pulling rope 321 until the pulling rope 321 is tightened, and after the pulling rope 321 is tightened, the movable end of the telescopic pushing member 270 continues to pull the pulling rope 321, and the pulling rope 321 can pull the guide plate 320 to make the guide plate 320 rotate around the spindle rod 310 until the upper end surface of the guide plate 320 is attached to the limiting seat 330, after pouring the raw material into the material feeding pipe 220, the guide plate 320 can support the raw material, starting the air pump 370, the air pump 370 can convey the air into the inner sliding pipe 361, the air can be discharged through the air holes 362 on the surface of the inner sliding pipe 361, the air-drying of the raw material in the material feeding pipe 220 can be performed, the drying of the water liquid on the surface of the raw material can be accelerated, and regulating and controlling the second telescopic member, and the movable end of the second telescopic member can pull the plate body 364 to move, further driving the inner sliding tube 361 to move, changing the position of the air hole 362 on the surface of the inner sliding tube 361, and adjusting the range of air delivery, thereby changing the range of air drying;

when the retractable pushing member 270 drives the pushing plate 230 to move the pushing plate 230 toward the sealing plate 240, the pulling rope 321 becomes loose from tightening, the pulling rope 321 no longer guides the guiding plate 320, the guiding plate 320 can surround the spindle rod 310 under the pressure of the raw material, the upper end surface of the guiding plate 320 is separated from the limiting seat 330, the raw material on the upper end surface of the guiding plate 320 can be conveyed into the feeding box 200, the supporting rod 350 and the retractable supporting member 340 can change the rotation amplitude of the guiding plate 320 to the guiding plate 320, the guiding plate 320 can limit the flow direction of the raw material, so as to guide the raw material to enter between the pushing plate 230 and the sealing plate 240, to make the feeding more stable, to reduce the possibility that the raw material enters between the pushing plate 230 and the inner wall of the feeding box 200, to reduce the raw material jamming between the pushing plate 230 and the inner wall of the feeding box 200, and to reduce the subsequent resetting of the pushing plate 230, the possibility of the material obstructing the movement of the pusher plate 230;

when the raw material of the upper end surface of the guide plate 320 is less, the upper end surface of the guide plate 320 still adheres to the limiting seat 330 under the support of the telescopic support 340, and the raw material of the upper end surface of the guide plate 320 cannot be conveyed, the second telescopic member 364 is regulated and controlled, the movable end of the second telescopic member 364 can pull the plate body 363 to move until one side of the plate body 363 adheres to the outer sleeve 360, the inner sliding tube 361 is submerged into the outer sleeve 360, the outer sleeve 360 can seal the air hole 362 on the surface of the inner sliding tube 361, the gas in the outer sleeve 360 is conveyed into the piston cylinder 380, the air pressure in the piston cylinder 380 is increased, the piston head 381 in the piston cylinder 380 can drive the push rod 382 to move, the movable push rod 382 can push the guide plate 320, the guide plate 320 rotates around the main shaft 310, the upper end surface of the guide plate 320 can be separated from the limiting seat 330, and the raw material can be conveyed.

It can be understood that the telescopic support 340 is any one of an air cylinder, an electric push rod and a spring, and the connection between the telescopic support 340 and the guide plate 320 and the connection between the telescopic support 340 and the support bar 350 are rotatably connected.

According to some embodiments of the present application, as shown in fig. 1, 2, 3, 5, 8 and 9, a filtering mechanism 400 is disposed inside the feeding box 200, the filtering mechanism 400 includes a rotating shaft 410, a filtering plate 420 and a third telescopic member 430, one end of the rotating shaft 410 is mounted on the surface of the filtering plate 420, the other end of the rotating shaft 410 is rotatably connected to the inner wall of the feeding box 200, one end of the third telescopic member 430 is hinged to the feeding box 200, and the other end of the third telescopic member 430 is hinged to the filtering plate 420; the surface of the filter plate 420 is provided with a fourth expansion piece 440, the bottom end of the filter plate 420 is sleeved with a groove plate 450 in a sliding manner, the movable end of the fourth expansion piece 440 is fixedly connected with the groove plate 450, a feeding channel is formed between the lower end surface of the groove plate 450 and the upper end surface of the limiting seat 330, when raw materials are conveyed into the feeding pipe 220, the raw materials are poured into the surfaces of the filter plate 420 and the limiting seat 330 after the raw materials are cut, small-volume raw materials pass through the feeding channel formed between the lower end surface of the groove plate 450 and the upper end surface of the limiting seat 330 and fall onto the surface of the guide plate 320, large-volume raw materials cannot pass through the feeding channel formed between the lower end surface of the groove plate 450 and the upper end surface of the limiting seat 330, feeding cannot be carried out, the purpose of raw material screening can be achieved, in addition, the movable end of the fourth expansion piece 440 is regulated and controlled to drive the groove plate 450 to move, the distance between the lower end surface of the groove plate 450 and the upper end surface of the limiting seat 330 can be changed, the width of the feeding channel formed between the lower end face of the groove plate 450 and the upper end face of the limiting seat 330 can be adjusted, and workers can select the feeding channel with different widths to be formed between the lower end face of the groove plate 450 and the upper end face of the limiting seat 330 for use according to actual conditions, so that the filtering mechanism 400 can be more flexibly used, the third telescopic piece 430 is adjusted and controlled, the movable end of the third telescopic piece 430 can support the filtering plate 420, the filtering plate 420 rotates around the rotating shaft 410, the filtering plate 420 can push raw materials in the rotating process, the raw materials can be moved conveniently, the possibility of raw material deposition is reduced, in the rotating process of the filtering plate 420, the fourth telescopic piece 440 can be matched with the supporting groove plate 450 to move, the filtering plate 420 can move and push materials, and the width effect of the feeding channel formed between the lower end face of the groove plate 450 and the upper end face of the limiting seat 330 is inconvenient.

step two: preparing biomass feed gas: performing thermochemical cracking on the crushed biomass raw material in a reaction furnace 100 by taking air as a gasifying agent to prepare biomass raw material gas;

It is understood that the first expansion member 271, the second expansion member 364, the third expansion member 430 and the fourth expansion member 440 are any one of a cylinder, an electric push rod and a hydraulic cylinder.

Other configurations and operations of the biomass gasification methanol production process and apparatus according to the embodiments of the present application are known to those of ordinary skill in the art and will not be described in detail herein.

The above description is only an example of the present application and is not intended to limit the scope of the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

Claims

1. Device of biomass gasification methanol production, its characterized in that includes:

a reaction furnace (100);

a feed box (200), the feed box (200) being disposed at a top end of the reaction furnace (100), and the bottom end of the feeding box (200) is communicated with the top end feeding hole of the reaction furnace (100) through a connecting pipe (210), the top end of the feeding box (200) is communicated with a feeding pipe (220), a material pushing plate (230) and a sealing plate (240) are slidably arranged in the feeding box (200), sealing rubber strips (250) are arranged on the surface of the material pushing plate (230) and the surface of the sealing plate (240), and the sealing rubber strip (250) is jointed and sealed with the inner wall of the feeding box (200), the material pushing plate (230) and the sealing plate (240) are connected through a connecting rod (260), the surface of the feeding box (200) is provided with a telescopic pushing piece (270), and the movable end of the telescopic pushing piece (270) is connected with the material pushing plate (230);

the inside of inlet pipe (220) is provided with guiding mechanism (300), guiding mechanism (300) includes main shaft pole (310), guide board (320) and spacing seat (330), main shaft pole (310) rotate install in the inside of inlet pipe (220), guide board (320) are fixed in the surface of main shaft pole (310), just flexible support piece (340) is installed to the lower terminal surface of guide board (320), the internally mounted of inlet pipe (220) has bracing piece (350), the other end of flexible support piece (340) with bracing piece (350) are connected, spacing seat (330) set up in the inside of inlet pipe (220), just the lower terminal surface of spacing seat (330) with the up end laminating of guide board (320);

the upper end face of the guide plate (320) is provided with a traction rope (321), the other end of the traction rope (321) is connected with the movable end of the telescopic pushing part (270), the surface of the guide plate (320) is provided with a sealing strip (322), and the sealing strip (322) is in sealing fit with the inner wall of the feeding pipe (220);

the top end of the limiting seat (330) is provided with a drainage inclined plane, the surface of the limiting seat (330) is provided with an outer sleeve (360), an inner sliding tube (361) is slidably mounted inside the outer sleeve (360), an air hole (362) is formed in the surface of the inner sliding tube (361), one end of the inner sliding tube (361) is provided with a plate body (363), one side of the plate body (363) is attached and sealed with the end part of the outer sleeve (360), the surface of the limiting seat (330) is provided with a second telescopic piece (364), the movable end of the second telescopic piece (364) is fixedly connected with the plate body (363), the surface of the reaction furnace (100) is provided with an air pump (370), and the output end of the air pump (370) is communicated with the outer sleeve (360);

the outer tube (360) intercommunication has a piston cylinder (380), the inside slidable mounting of piston cylinder (380) has piston head (381), push rod (382) are installed to the lower terminal surface of piston head (381), the bottom of push rod (382) slides and runs through piston cylinder (380), and reset spring is installed between the lower terminal surface of piston head (381) and the inside bottom of piston cylinder (380).

2. The device for producing methanol through biomass gasification according to claim 1, wherein the reaction furnace (100) is a biomass gasification furnace, and the bottom end of the reaction furnace (100) is provided with a support leg (110).

3. The device for producing methanol through biomass gasification according to claim 2, wherein the reaction furnace (100) is cylindrical, at least three support legs (110) are arranged at intervals along the circumferential surface of the reaction furnace (100), and the joints of the support legs (110) and the reaction furnace (100) are integrally formed.

4. The device for producing methanol through biomass gasification according to claim 1, wherein the lower end surface of the feeding box (200) is provided with supporting rods (280), and the supporting rods (280) are arranged in pairs in an opposite manner.

5. The device for producing methanol through biomass gasification according to claim 1, wherein the connecting pipe (210) and the feeding pipe (220) are square pipes, and the joint of the connecting pipe (210) and the feeding box (200) and the joint of the connecting pipe (210) and the reaction furnace (100) are provided with sealant coatings.

6. The apparatus for producing methanol by gasifying biomass according to claim 1, wherein the feed pipe (220) and the connecting pipe (210) are respectively located at upper and lower sides of the feed tank (200), and the feed pipe (220) and the connecting pipe (210) are respectively located at left and right sides of the feed tank (200).

7. The biomass gasification methanol production plant according to claim 1, wherein the center of the feed box (200) forms a transition zone, and the transition zone is located between the connecting pipe (210) and the feed pipe (220).

8. The device for producing methanol through biomass gasification according to claim 1, wherein the material pushing plate (230) and the sealing plate (240) have the same specification, and the material pushing plate (230) and the sealing plate (240) are arranged in parallel.

9. The device for producing methanol through biomass gasification according to claim 1, wherein the telescopic pushing member (270) comprises a first telescopic member (271), a connecting plate (272) and a rod body (273), the first telescopic member (271) is fixed on the surface of the feeding box (200), the connecting plate (272) is installed at the movable end of the first telescopic member (271), the rod body (273) is fixed on the surface of the connecting plate (272), one end of the rod body (273) slides through the feeding box (200), the rod body (273) is fixedly connected with the pushing plate (230), and the rod body (273) and the first telescopic member (271) are arranged in parallel.

10. A process for producing methanol by biomass gasification, which is characterized by comprising the apparatus for producing methanol by biomass gasification according to any one of claims 1 to 9, and the steps of:

step two: preparing biomass feed gas: performing thermochemical cracking on the crushed biomass raw material in a reaction furnace (100) by taking air as a gasifying agent to prepare raw biomass gas;

step three: preparing biomass synthesis gas: the biomass raw material gas is deoxidized, decoked, purified and hydrogen-matched to prepare biomass synthesis gas, and then the biomass synthesis gas is compressed by a compressor to obtain the methanol.