CN115193206B

CN115193206B - Venturi washing device for synthesis gas production

Info

Publication number: CN115193206B
Application number: CN202211133584.0A
Authority: CN
Inventors: 谷如江
Original assignee: Aerospace Hydrogen Cangzhou Gas Co ltd
Current assignee: Aerospace Hydrogen Cangzhou Gas Co ltd
Priority date: 2022-09-19
Filing date: 2022-09-19
Publication date: 2023-01-13
Anticipated expiration: 2042-09-19
Also published as: CN115193206A

Abstract

The invention discloses a venturi scrubber for producing synthesis gas, which comprises a venturi scrubber and also comprises: compared with the prior art, the venturi scrubber is fixedly connected with the guide barrel, and the top end of the guide barrel is communicated with a secondary acceleration shell, so that the integral washing effect of the synthetic gas is influenced.

Description

Venturi washing device for synthesis gas production

Technical Field

The invention relates to the technical field of synthesis gas production, in particular to a venturi washing device for synthesis gas production.

Background

It is known that synthesis gas, which is a raw material gas for chemical raw materials and mainly composed of carbon monoxide and hydrogen, has a wide range of raw materials, and can be produced by gasifying solid fuels such as coal or coke, or by producing light hydrocarbons such as natural gas and naphtha, or by partially oxidizing heavy oil.

After synthetic gas is produced, a large amount of solid dust particles are carried in the synthetic gas, a venturi washing device is used, the venturi washer utilizes the venturi phenomenon, the flowing diameter of flowing gas is changed, flowing speed of the flowing gas is increased, high-speed flowing gas contacts water flow, the water flow is broken into small water drops, the small water drops adsorb the solid dust particles carried by the synthetic gas, the flowing gas is introduced into a separation part, the separation part drops the solid dust particles carried by the small water drops under the action of gravity, the synthetic gas passes through an atomizer upwards, water in the synthetic gas is separated out to complete separation, however, the high-speed flowing gas enters the separation part after leaving the venturi washing device, the flowing speed is still too high, the water drops are easily sprayed and coated on the inner wall of the separation part and attached to the inner wall, after the synthetic gas passes through the high-speed flow, the small water drops are easily evaporated, the small water drops cannot attract the solid dust particles, the solid dust particles easily return to the flowing synthetic gas again, the washing effect of the synthetic gas is influenced, and the practicability is low.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a venturi washing device for synthesis gas production, which can preliminarily filter synthesis gas, filter larger solid particles in the synthesis gas, adsorb small solid dust particles in the synthesis gas by using small water drops through the venturi washing device, introduce the synthesis gas into a separation barrel, and scrape the small water drops attached to the inner wall of the separation barrel in time, so that the problem that the washing and separating effects of the synthesis gas are influenced because the solid dust particles return to the synthesis gas again due to the evaporation of the small water drops by the synthesis gas flowing at a high speed is avoided.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: venturi scrubbing device is used in synthesis gas production, including the venturi scrubber, still include: leading-in bucket, separation bucket and sedimentation bucket, venturi scrubber and leading-in bucket fixed connection, leading-in bucket top intercommunication have the secondary shell with higher speed, install the secondary in the secondary shell with higher speed and accelerate the fan, leading-in bucket rear end is provided with one-level acceleration mechanism, be provided with flow control mechanism in the venturi scrubber, the left end intercommunication of separation bucket has communicating pipe, communicating pipe and venturi scrubber's right-hand member intercommunication, fixedly connected with water injection ring on the venturi scrubber, a plurality of inlet openings have been seted up on the venturi scrubber, the motor is installed on the top of separation bucket, the output of motor passes separation bucket fixedly connected with pivot, a plurality of connecting rods of fixedly connected with in the pivot, be located a plurality of with one side the other end fixedly connected with of connecting rod clears up the scraper blade, fixedly connected with locating plate in the separation bucket, the through-hole has been seted up on the locating plate, a plurality of connecting blocks on the locating plate, a plurality of connecting block fixedly connected with protective housing, the bottom fixedly connected with mounting panel of protective housing, install except that the atomizer in the mounting panel, the pivot rotates with the rotation connection of protective housing, sedimentation bucket and separation bucket intercommunication, the front end of sedimentation bucket, the water pump input communicates with the top of sedimentation bucket, there is the outlet duct intercommunication.

In order to push the synthetic gas into coarse filtration mechanism with the synthetic gas with higher speed, it is preferred, the one-level is with higher speed the mechanism and is included the one-level bucket with higher speed, bucket fixed connection is in venturi scrubber rear end with higher speed to the one-level, and the bottom intercommunication of bucket is once accelerateed to the one-level has the shell with higher speed, once install the fan with higher speed in the shell with higher speed, and the rear end intercommunication of bucket is accelerateed to the one-level has the intake pipe, and the top intercommunication of bucket is accelerateed to the one-level has the bellows, the top fixedly connected with contact cover of bellows, the top of contact cover is provided with coarse filtration mechanism.

In leading-in bucket after filtering great solid dust in the synthetic gas, it is further, coarse filtration mechanism is including contacting the pipe, contacting the pipe setting in the contact housing, the top intercommunication that contacts the pipe has thick filter vat, a plurality of fixed blocks of fixedly connected with in the thick filter vat, it is a plurality of the other end fixedly connected with of fixed block holds the shell, the rear end fixedly connected with transfer bucket of leading-in bucket, the bottom intercommunication of transfer bucket has the filter rod, and the bottom fixedly connected with spacing ring of transfer bucket rotates on the thick filter vat and is connected with a plurality of spacing hooks, and the top intercommunication of transfer bucket has the transfer pipe, the other end of transfer pipe and the rear end intercommunication of leading-in bucket.

In order to avoid once accelerating the fan and the secondary accelerates the impurity of fan in with the air and insufflates, it is further again, once accelerate equal fixedly connected with filter screen in shell and the secondary acceleration shell, the filter screen is multilayer metal mesh knits the material, is provided with the antibacterial coating of silver on the filter screen.

In order to import and derive the synthetic gas, in order to derive the solid dust granule of sediment simultaneously, as the further scheme of this scheme, all install the strapping table on edulcoration pipe, outlet duct and the intake pipe and show the switch valve.

For the flow that passes through of fine micro-control synthetic gas in the venturi scrubber, as the scheme that this scheme is further again, flow control mechanism includes a plurality of strip of erectting, and is a plurality of the other end fixedly connected with who erects the strip erects the board, erect fixedly connected with guard box on the board, install the cylinder in the guard box, the guard box is passed to the output of cylinder, fixedly connected with flow ball, the top fixedly connected with direction overhead guard of guard box.

In order to support the venturi scrubber and the separating barrel, the venturi scrubber leaves the ground, on the basis of the scheme, the venturi scrubber is fixedly connected with a support ring, the bottom end of the support ring and the bottom end of the separating barrel are fixedly connected with a plurality of support legs, and the support legs are made of high-strength alloy materials.

For stable fixed one-level acceleration bucket and transfer bucket, make the venturi scrubber be difficult for producing vibrations at the during operation, it is further on the basis of preceding scheme, the first firm ring of fixedly connected with on the venturi scrubber, bucket fixed connection is in first firm intra-annular with higher speed to the one-level, fixedly connected with second firm ring on the leading-in bucket, transfer bucket fixed connection is in the second firm intra-annular, a plurality of firm strips of fixedly connected with between first firm ring and the second firm ring.

In order to avoid the water drops and the synthesis gas from corroding the separation barrel and the venturi scrubber, further on the basis of the scheme, the inner walls of the separation barrel and the venturi scrubber are respectively provided with a protective coating.

In order to enable the guide-in barrel to be connected with the Venturi scrubber and the settling barrel to be connected with the separating barrel more tightly, the device is further characterized in that the guide-in barrel is welded on the Venturi scrubber and the settling barrel is welded on the separating barrel.

(III) advantageous effects

Compared with the prior art, the invention provides a venturi washing device for synthesis gas production, which has the following beneficial effects:

according to the venturi washing device for producing the synthesis gas, the small water drops attached to the inner wall of the separation barrel are convenient to atomize and dehumidify through the cooperation of the separation barrel, the communication pipe, the water injection ring, the rotating shaft, the connecting rod and the cleaning scraper, clear water is convenient to introduce into the water injection ring after water flow is precipitated through the cooperation of the positioning plate, the connecting block, the protective shell, the mounting disc and the demisting device, so that compared with the prior art, the venturi washing device for producing the synthesis gas is easy to evaporate the small water drops attached to the inner wall of the separation part, solid dust particles adsorbed by the small water drops are returned into the synthesis gas again, the integral washing effect of the synthesis gas is influenced, the venturi washing device can preliminarily filter the synthesis gas, filter larger solid particles in the synthesis gas, and collect small solid particles attached to the synthesis gas in the venturi washing device.

Drawings

FIG. 1 is a partially sectional perspective view of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1A;

FIG. 3 is a schematic perspective view of the present invention;

FIG. 4 is a perspective view of the present invention from another perspective;

FIG. 5 is a schematic view of a partially sectioned perspective structure of a primary acceleration barrel and a primary acceleration housing of the present invention;

FIG. 6 is a schematic view of a partially sectioned perspective structure of a coarse filter barrel and a fixing block according to the present invention;

FIG. 7 is a partially sectional perspective view of the positioning plate and the connecting block of the present invention.

In the figure: 1. a venturi scrubber; 2. leading in a barrel; 3. a secondary acceleration shell; 4. a secondary acceleration fan; 5. a separation barrel; 6. a communicating pipe; 7. water injection ring; 8. a motor; 9. a rotating shaft; 10. a connecting rod; 11. cleaning a scraper; 12. positioning a plate; 13. connecting blocks; 14. a protective shell; 15. mounting a disc; 16. a de-atomizer; 17. a settling barrel; 18. a water pump; 19. an air outlet pipe; 20. an impurity removal pipe; 21. a first-stage acceleration barrel; 22. a primary acceleration shell; 23. a primary accelerating fan; 24. an air inlet pipe; 25. a flexible hose; 26. a contact cover; 27. a contact tube; 28. a coarse filter barrel; 29. a fixed block; 30. a containing shell; 31. a transfer barrel; 32. a filter rod; 33. a limiting ring; 34. a limiting hook; 35. a transit tube; 36. a filter screen; 37. the gauge displays the switch valve; 38. erecting strips; 39. erecting a plate; 40. a protection box; 41. a cylinder; 42. a flow ball; 43. a guide top cover; 44. a support ring; 45. supporting legs; 46. a first stabilizing ring; 47. a second stabilizing ring; 48. and (7) stabilizing the strip.

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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

Referring to fig. 1-7, the venturi scrubber device for syngas production includes a venturi scrubber 1, and further includes: the device comprises a guide barrel 2, a separation barrel 5 and a precipitation barrel 17, wherein a Venturi scrubber 1 is fixedly connected with the guide barrel 2, the top end of the guide barrel 2 is communicated with a secondary acceleration shell 3, a secondary acceleration fan 4 is installed in the secondary acceleration shell 3, a primary acceleration mechanism is arranged at the rear end of the guide barrel 2, a flow control mechanism is arranged in the Venturi scrubber 1, the left end of the separation barrel 5 is communicated with a communication pipe 6, the communication pipe 6 is communicated with the right end of the Venturi scrubber 1, a water injection ring 7 is fixedly connected to the Venturi scrubber 1, a plurality of water inlet holes are formed in the Venturi scrubber 1, a motor 8 is installed at the top end of the separation barrel 5, the output end of the motor 8 penetrates through the separation barrel 5 and is fixedly connected with a rotating shaft 9, a plurality of connecting rods 10 are fixedly connected to the rotating shaft 9, the other ends of the connecting rods 10 are fixedly connected with a cleaning scraper 11, a positioning plate 12 is fixedly connected to the separation barrel 5, a through hole is formed in the positioning plate 12, a plurality of connecting blocks 13 are fixedly connected to the positioning blocks 13, a protection shell 14 is fixedly connected to the bottom end of the protection shell 14, an atomizer 16 is installed in the installation disk 15, the precipitation barrel 17 is connected with an output end of the precipitation barrel 18, an air outlet pipe 18 communicated with the precipitation barrel 17, and is communicated with an air outlet pipe 18 of the precipitation barrel 17, and is communicated with an inlet pipe 18 of the precipitation barrel 17, which is connected with the precipitation barrel 17;

it should be further noted that the primary acceleration mechanism includes a primary acceleration barrel 21, the primary acceleration barrel 21 is fixedly connected to the rear end of the venturi scrubber 1, the bottom end of the primary acceleration barrel 21 is communicated with a primary acceleration shell 22, a primary acceleration fan 23 is installed in the primary acceleration shell 22, the rear end of the primary acceleration barrel 21 is communicated with an air inlet pipe 24, the top end of the primary acceleration barrel 21 is communicated with a flexible hose 25, the top end of the flexible hose 25 is fixedly connected with a contact cover 26, the top end of the contact cover 26 is provided with a coarse filtration mechanism for facilitating the introduction of unfiltered syngas into the coarse filtration mechanism for primary filtration, the coarse filtration mechanism includes a contact pipe 27, the contact pipe 27 is arranged in the contact cover 26, the top end of the contact pipe 27 is communicated with a coarse filtration barrel 28, the coarse filtration barrel 28 is fixedly connected with a plurality of fixing blocks 29, the other ends of the fixing blocks 29 are fixedly connected with a containing shell 30, the rear end of the leading-in barrel 2 is fixedly connected with a transit barrel 31, the bottom end of the transit barrel 31 is communicated with a filter rod 32, the bottom end of the transit barrel 31 is fixedly connected with a limiting ring 33, the coarse filter barrel 28 is rotatably connected with a plurality of limiting hooks 34, the top end of the transit barrel 31 is communicated with a transit pipe 35, the other end of the transit pipe 35 is communicated with the rear end of the leading-in barrel 2, large dust particles in the synthetic gas can be conveniently filtered out, the venturi scrubber 1 can not be doped with large dust particles to cause blockage when filtering the synthetic gas, the washing effect is better, filter screens 36 are fixedly connected in the primary acceleration shell 22 and the secondary acceleration shell 3, the filter screens 36 are made of multilayer metal mesh fabrics, and the filter screens 36 are provided with silver antibacterial coatings, so that dust and bacteria in the air are prevented from being sucked when the air is sucked to accelerate the flow of the synthetic gas, and secondary pollution is caused to the synthetic gas;

it should be further noted that the purge tube 20, the air outlet tube 19 and the air inlet tube 24 are respectively provided with a meter display switch valve 37 for guiding the synthesis gas into and out of the device, for guiding the precipitated solid dust particles out of the precipitation tank 17, and for recording and observing the flow values of the synthesis gas and the solid dust particles in real time, the flow control mechanism comprises a plurality of erection bars 38, the other ends of the plurality of erection bars 38 are fixedly connected with an erection plate 39, the erection plate 39 is fixedly connected with a protection box 40, an air cylinder 41 is installed in the protection box 40, the output end of the air cylinder 41 passes through the protection box 40, a flow ball 42 is fixedly connected with the top end of the protection box 40, a guide top cover 43 is fixedly connected with the top end of the protection box 40 for finely adjusting the flow rate of the synthesis gas in the venturi scrubber 1 to increase or reduce the flow rate of the synthesis gas to achieve a better scrubbing effect, a support ring 44 is fixedly connected with the venturi scrubber 1, the bottom end of the support ring 44 and the bottom end of the separation tank 5 are respectively fixedly connected with a plurality of support legs 45, the support legs are respectively made of high-strength alloy material, in order to support the venturi scrubber 1 and the separation tank 5, a second stage of the venturi scrubber 1 and a first stage scrubber stabilizer 46, a second stage stabilizer 46 is connected with a second stabilizer 46 for supporting the first stage of the venturi scrubber 1 and a second stabilizer 46 for stabilizing scrubber 1, the second stabilizer 46 are connected with the first stabilizer 46, avoid water and synthetic gas to corrode separator drum 5 and venturi scrubber 1, improve separator drum 5 and venturi scrubber 1's life, leading-in bucket 2 welds on venturi scrubber 1, and sediment bucket 17 welds on separator drum 5, and the welding not only is operated comparatively simply, and joint strength is higher, and life is also longer.

The secondary acceleration fan 4, the motor 8, the atomizer 16, the water pump 18 and the primary acceleration fan 23 in the embodiment are conventional devices which are purchased from the market and are known by persons skilled in the art, and the models can be selected or customized according to actual needs, in the patent, the secondary acceleration fan 4, the motor 8, the atomizer 16, the water pump 18 and the primary acceleration fan 23 are only used, the structure and the functions of the devices are not improved, the setting mode, the installation mode and the electrical connection mode are set, for the persons skilled in the art, only debugging operation is carried out according to the requirements of the use specifications, and the description is not repeated, the secondary acceleration fan 4, the motor 8, the atomizer 16, the water pump 18 and the primary acceleration fan 23 are provided with control switches matched with the control switches, the installation positions of the control switches are selected according to actual use requirements, so that the operators can conveniently carry out operation control, meanwhile, a forward and reverse rotation circuit needs to be connected before the use of the motor 8 for forward and reverse rotation operation, for the forward and reverse rotation of the motor 8, the forward and reverse rotation of the patent disclosed by the patent number CN109889124a technology is known by the persons skilled in the art, and the technology can be realized.

The demister 16 of the present invention is a common device in the market, has a perfect structure and function, and is not described herein in detail, and has a working principle similar to a condenser, and belongs to one type of heat exchanger, and essentially, the temperature thereof is rapidly reduced after power-on, and water molecules in a gas or steam state flowing through can be liquefied into small water droplets, so that the water molecules in the moist synthesis gas in the present invention are stripped and separated from the synthesis gas, so as to achieve the purpose of the present invention of the synthesis gas de-atomization, and at the same time, the synthesis gas can be dehumidified, and the washing quality of the synthesis gas is improved.

The primary accelerating fan 23 and the secondary accelerating fan 44 in the present invention are commercially available industrial motor fans, and the airflow is blown out to accelerate the flow speed of the syngas by the high-speed rotation of the fan blades, which is not described herein in detail.

To sum up, firstly, according to the specification, the secondary acceleration fan 4, the motor 8, the atomizer 16, the water pump 18 and the primary acceleration fan 23 are installed, when the venturi washing device for synthesis gas production is used, the synthesis gas after production is introduced from the air inlet pipe 24, the meter display switch valve 37 on the air inlet pipe 24 is opened, the synthesis gas enters the primary acceleration barrel 21 through the air inlet pipe 24, the primary acceleration fan is started, the air flow is sucked and blown into the primary acceleration barrel 21 through the filter screen 36 by the primary acceleration fan, the synthesis gas is pushed upwards, the synthesis gas is pushed to enter the coarse filter barrel 28 through the telescopic hose 25, the contact cover 26 and the contact pipe 27, the synthesis gas enters the middle rotating barrel 31 after being filtered through the filter rod 32, larger dust particles carried in the synthesis gas are filtered out by the filter rod 32 and fall into the containing shell 30, and the synthesis gas continuously enters the middle rotating barrel 31 after being filtered, the synthesis gas in the transfer barrel 31 overflows and enters the guide barrel 2 through the transfer pipe 35, the secondary acceleration fan 4 is started, the working principle of the secondary acceleration fan 4 is the same as that of the primary acceleration fan 23, the difference is that the secondary acceleration fan 4 pushes the synthesis gas downwards and further increases the flow speed of the synthesis gas, the synthesis gas flows downwards after acceleration, the flow speed is greatly increased when the synthesis gas flows through the throat of the venturi scrubber 1, the water pump 18 is started, the water pump 18 pumps out the water flow in the sedimentation barrel 17 and pumps the water flow into the water injection ring 7, when the synthesis gas flows through the venturi scrubber 1 at high speed, the internal and external pressure generate difference, the water flow in the water injection ring 7 is pumped into the venturi scrubber 1 through the water inlet hole, when the water flow contacts with the synthesis gas flowing at high speed, the synthesis gas breaks the water flow into fine water drops, the synthesis gas is combined with the fine water drops, and the fine water drops adsorb solid dust particles in the synthesis gas, when the flow rate of the synthesis gas needs to be increased further, the cylinder 41 is started, the output end of the cylinder 41 extends out to push the flow ball 42, the flow ball 42 moves upwards, the flow ball 42 is gradually close to the venturi scrubber 1, so that a channel through which the synthesis gas flows becomes narrower, the flow rate of the synthesis gas is further increased, the washing effect of the synthesis gas is improved, the synthesis gas flows into the separation barrel 5 through the communicating pipe 6 with solid dust particles wrapped by the synthesis gas, the collecting part is connected to the outlet pipe 19, the meter display switch valve 37 on the outlet pipe 19 is opened, the synthesis gas flowing into the separation barrel 5 flows upwards, small water drops in the synthesis gas drop downwards under the action of gravity, the small water drops drop on the inner bottom wall of the separation barrel 5, the small water drops flow flows into the precipitation barrel 17 to be gathered into water flow, the solid dust particles are precipitated in the precipitation barrel 17, and the solid dust particles are precipitated statically in the water flow, opening a meter display switch valve 37 on the impurity removing pipe 20 in a proper amount, leading out sewage formed by combining solid dust particles and water flow under the condition of ensuring that the static precipitation of the water flow in the precipitation barrel 17 is not influenced, leading a part of synthesis gas led into the separation barrel 5 to be wrapped by water drops to impact on the inner wall of the separation barrel 5 due to the initial speed, adsorbing the water drops on the inner wall of the separation barrel 5, in order to avoid the water drops evaporating from the synthesis gas flowing at a high speed, enabling the solid dust particles adsorbed by the water drops to return to the synthesis gas again, starting a motor 8, driving a rotating shaft 9 to rotate by the motor 8, rotating the rotating shaft 9 in a protective shell 14, driving a connecting rod 10 to rotate by the rotating shaft 9, driving a cleaning scraper 11 to rotate by clinging to the inner wall of the separation barrel 5 by taking the rotating shaft 9 as a center, scraping the water drops on the inner wall of the separation barrel 5 in time by the cleaning scraper 11, and avoiding the synthesis gas flowing at a high speed from being blown and evaporated, the small water drops are scraped by the cleaning scraper 11, the small water drops flow into the settling barrel 17 and are converged into water flow to be statically settled together, after solid dust particles are separated from the synthesis gas, the synthesis gas is in a wet atomization state due to partial water vapor in the synthesis gas, the synthesis gas flows upwards in the separating barrel 5 and flows into the mounting disc 15 and flows through the atomizer 16, the atomizer 16 is started, the atomizer 16 is rapidly cooled, when the wet atomized synthesis gas flows through the atomizer 16, the wet part in the synthesis gas can be liquefied into small water drops on the atomizer 16, so that the synthesis gas is subjected to the operations of atomization and dehumidification, the synthesis gas after washing treatment flows into the upper part of the separating barrel 5 from gaps between the positioning plate 12 and the connecting block 13 as well as the protective shell 14 and flows out from the air outlet pipe 19, and compared with a synthesis gas treatment device on the market at present, the synthesis gas after washing, defogging and dehumidification has higher treatment quality and better treatment effect.

The washing procedure used in the present invention is based on a venturi washing device, reference: jiang Chengchun main weaving, air pollution control technology: china environmental science publishers, 2009.07 and Zhang Baiqin, wang Wenxuan Main edition environmental engineering principle: the chemical industry publisher, 2008.7, the Venturi scrubber 1 is composed of a contraction tube, a throat and a diffusion tube, the dust-containing gas enters the contraction tube, the gas velocity is gradually increased, the pressure of the gas flow is gradually changed into kinetic energy, when the gas flow enters the throat, the flow velocity reaches the maximum value, the water enters through a plurality of small holes uniformly distributed on the periphery of the throat, then the water is highly atomized under the impact of high-velocity gas flow, the gas flow reaches a saturated state due to high-velocity low pressure at the throat, a gas film attached to the surface of the same dust particle is broken through, the dust particle is wetted by the water, therefore, the dust particle and water drops or the dust particle are violently collided and condensed, after the gas flow enters the diffusion tube, the gas velocity is reduced, the static pressure is increased, the condensation action with dust particles as condensation cores is accelerated, the particles condensed with moisture are continuously condensed and collided, small particles are condensed into large particles and are easily trapped and separated by a dehydrator, so that gas can be purified, the principle is simply to reduce the gas circulation diameter, the gas flowing speed is increased, the internal and external pressure intensity is different, external moisture is forced to enter the Venturi scrubber 1 through micropores, the water is scattered and broken by the highly flowing gas, the dispersed small water drops are combined with the gas to adsorb fine dust particles in the gas, the small water drops wrap the fine dust particles downwards under the influence of gravity, the gas flows upwards through an upper gap, and the separation of the gas and the dust particles is completed.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Venturi scrubbing device is used in synthesis gas production, including venturi scrubber (1), its characterized in that still includes: leading-in bucket (2), venturi scrubber (1) and leading-in bucket (2) fixed connection, leading-in bucket (2) top intercommunication

There are secondary acceleration shell (3), install secondary acceleration fan (4) in secondary acceleration shell (3), leading-in bucket (2) rear end is provided with one-level acceleration mechanism, one-level acceleration mechanism includes one-level acceleration bucket (21), one-level acceleration bucket (21) fixed connection is in venturi scrubber (1) rear end, the bottom intercommunication of one-level acceleration bucket (21) has one-time acceleration shell (22), install one-time acceleration fan (23) in one-time acceleration shell (22), the rear end intercommunication of one-level acceleration bucket (21) has intake pipe (24), the top intercommunication of one-level acceleration bucket (21) has flexible hose (25), the top fixed connection of flexible hose (25) has contact cover (26), all fixedly connected with filter screen (36) in one-time acceleration shell (22) and secondary acceleration shell (3), filter screen (36) are multilayer metal mesh material, are provided with silver antibacterial coating on filter screen (36), the top of contact cover (26) is provided with coarse filtration mechanism;

the coarse filtering mechanism comprises a contact pipe (27), the contact pipe (27) is arranged in a contact cover (26), and the contact pipe

(27) The device comprises a coarse filter barrel (28), a plurality of fixing blocks (29) are fixedly connected in the coarse filter barrel (28), a containing shell (30) is fixedly connected to the other ends of the fixing blocks (29), a transfer barrel (31) is fixedly connected to the rear end of a lead-in barrel (2), a filter rod (32) is communicated with the bottom end of the transfer barrel (31), a limiting ring (33) is fixedly connected to the bottom end of the transfer barrel (31), a plurality of limiting hooks (34) are rotatably connected to the coarse filter barrel (28), a transfer pipe (35) is communicated with the top end of the transfer barrel (31), and the other end of the transfer pipe (35) is communicated with the rear end of the lead-in barrel (2);

a flow control mechanism is arranged in the venturi scrubber (1), the flow control mechanism comprises a plurality of erection strips (38), the other ends of the erection strips (38) are fixedly connected with an erection plate (39), the erection plate (39) is fixedly connected with a protection box (40), an air cylinder (41) is installed in the protection box (40), the output end of the air cylinder (41) penetrates through the protection box (40) and is fixedly connected with a flow ball (42), and the top end of the protection box (40) is fixedly connected with a guide top cover (43);

separation bucket (5), the left end intercommunication of separation bucket (5) has communicating pipe (6), communicating pipe (6) and venturi scrubber (1) right-hand member intercommunication, fixedly connected with water injection ring (7) are gone up in venturi scrubber (1), have seted up a plurality of inlet openings on venturi scrubber (1), motor (8) are installed on the top of separation bucket (5), the output of motor (8) passes separation bucket (5) fixedly connected with pivot (9), a plurality of connecting rods of fixedly connected with (10) are located a plurality of with one side in pivot (9) the other end fixedly connected with clearance scraper blade (11) of connecting rod (10), separation bucket (5) interior fixedly connected with locating plate (12), the through-hole has been seted up on locating plate (12), a plurality of connecting blocks of fixedly connected with (13) on locating plate (12), and is a plurality of connecting block (13) fixedly connected with protective housing (14), the bottom fixedly connected with mounting disc (15) of protective housing (14), install in mounting disc (15) and remove atomizer (16), pivot (9) and protective housing (13) and bottom fixedly connected with protective housing (13) are a plurality of fixedly connected with mounting disc (15), atomizer (16) are removed

(14) The separation barrel (5) and the inner wall of the Venturi scrubber (1) are both provided with protective coatings in a rotating connection way;

precipitation bucket (17), precipitation bucket (17) and separation bucket (5) intercommunication, water pump (18) are installed to the front end of precipitation bucket (17), the input and the precipitation bucket (17) intercommunication of water pump (18), the output and the water injection ring of water pump (18)

(7) The top intercommunication of separation bucket (5) has outlet duct (19), and the bottom intercommunication of setting tank (17) has edulcoration pipe (20), all install strapping table display switch valve (37) on edulcoration pipe (20), outlet duct (19) and intake pipe (24).

2. The venturi scrubber device for synthesis gas production according to claim 1, wherein the venturi scrubber (1) is fixedly connected with a support ring (44), the bottom end of the support ring (44) and the bottom end of the separation barrel (5) are both fixedly connected with a plurality of support legs (45), and the support legs are made of high-strength alloy materials.

3. The venturi scrubber device for synthesis gas production according to claim 2, wherein the venturi scrubber (1) is fixedly connected with a first stabilizing ring (46), the primary accelerating barrel (21) is fixedly connected in the first stabilizing ring (46), the lead-in barrel (2) is fixedly connected with a second stabilizing ring (47), the transit barrel (31) is fixedly connected in the second stabilizing ring (47), and a plurality of stabilizing strips (48) are fixedly connected between the first stabilizing ring (46) and the second stabilizing ring (47).

4. Venturi scrubbing device for synthesis gas production according to claim 3, characterized in that the lead-in tub (2) is welded on the Venturi scrubber (1) and the settling tub (17) is welded on the separation tub (5).