CN215610147U

CN215610147U - Silicon carbide high-temperature flue gas treatment device

Info

Publication number: CN215610147U
Application number: CN202121835764.4U
Authority: CN
Inventors: 李大伟; 刘子扬; 姚丙乾; 冯旭辉
Original assignee: Zhejiang Hehui Sludge Disposal Co ltd
Current assignee: Zhejiang Hehui Sludge Disposal Co ltd
Priority date: 2021-08-05
Filing date: 2021-08-05
Publication date: 2022-01-25
Anticipated expiration: 2031-08-05

Abstract

The utility model provides a silicon carbide high-temperature flue gas treatment device, and belongs to the technical field of flue gas filtration. It has solved the problem that current processing apparatus treatment effeciency is low. This carborundum high temperature flue gas processing apparatus, including the barrel, it holds the chamber to have in the barrel, it is provided with a plurality of carborundum membrane pipes to hold the intracavity, the lower extreme of every carborundum membrane pipe is for sealing the form, the upper portion of barrel is provided with the air chamber that is linked together with every carborundum membrane pipe inside, be connected with on the air chamber and be used for the carborundum membrane pipe to bleed the subassembly and be used for the aerated subassembly of aerifing of carborundum membrane pipe, still be equipped with the processing structure that is used for the flue gas to admit air and collects dust on the carborundum membrane pipe on the barrel. The utility model has the advantage of high treatment efficiency.

Description

Silicon carbide high-temperature flue gas treatment device

Technical Field

The utility model belongs to the technical field of flue gas filtration, and relates to a silicon carbide high-temperature flue gas treatment device.

Background

In recent years, silicon carbide materials enter the field of new materials under the drive of low-carbon economy and tide. The silicon carbide filter element is a new material filter element which enters industrial application after 2010, and can endure high temperature of over 800 ℃ due to extremely small contact acute angle, so that the silicon carbide filter element is widely suitable for a strong acid and strong base environment working environment with the pH of 0-14, and is widely applied to solid-liquid separation and gas-solid separation industries.

However, when the silicon carbide material is used, the silicon carbide material is generally manufactured into a filter element for filtering solid particles. When the carborundum membrane filter core is applied to gas-solid separation, because the wall thickness is thick, the pressure drop loss is obvious during the filtration, and the runner is longer simultaneously, causes the filter core to block up easily, and the mode that has that is used for carborundum membrane pipe to clear up is chemical cleaning mostly, and its major defect who exists is: the time required is more, resulting in the reduction of the flue gas treatment efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems and provide a silicon carbide high-temperature flue gas treatment device with high treatment efficiency.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a carborundum high temperature flue gas processing apparatus, includes the barrel, the barrel in have and hold the chamber, its characterized in that, the intracavity that holds be provided with a plurality of carborundum membranous tubes, the lower extreme of every carborundum membranous tube is for sealing the form, the upper portion of barrel is provided with the air chamber that is linked together with every carborundum membranous tube inside, the air chamber on be connected with and be used for the carborundum membranous tube to bleed the subassembly and be used for the aerated subassembly of aerifing of carborundum membranous tube, the barrel on still be equipped with and be used for the flue gas to admit air and collect the processing structure of dust on the carborundum membranous tube.

In foretell carborundum high temperature flue gas processing apparatus, a plurality of carborundum membrane tube evenly distributed in the barrel, and every the carborundum membrane tube set up along the direction of height of barrel is perpendicular, the upper end of carborundum membrane tube is connected on the air chamber and holds the baffle between the chamber.

In the above-mentioned silicon carbide high-temperature flue gas treatment device, the air-extracting component includes an air-extracting pump, and the air-extracting pump is communicated with the inside of the air chamber through an air-extracting pipeline.

In foretell carborundum high temperature flue gas processing apparatus, the subassembly that aerifys include the buffer tank, the buffer tank communicate with the air chamber inside through gas charging line, the buffer tank be provided with nitrogen gas and fill the interface.

In the silicon carbide high-temperature flue gas treatment device, the top of the cylinder is provided with the sealing cover, the sealing cover is detachably connected to the cylinder, and the sealing cover is provided with air ports for inserting the air exhaust pipeline and the air inflation pipeline respectively.

In the silicon carbide high-temperature flue gas treatment device, the upper part of the cylinder body is arranged in a conical shape, and the diameter of the top of the cylinder body is smaller than that of the middle of the cylinder body.

In the silicon carbide high-temperature flue gas treatment device, the treatment structure comprises a dust collection box, a dust falling port is formed in the top end of the dust collection box, and a flue gas inlet pipeline is arranged on the dust collection box.

In the silicon carbide high-temperature flue gas treatment device, the bottom end of the cylinder body is provided with an assembly opening matched with the dust falling opening.

In the silicon carbide high-temperature flue gas treatment device, the flue gas inlet pipeline comprises an outer flue gas inlet section provided with the gas inlet valve and an inner gas inlet pipe extending out of the upper end of the dust collection box, and the upper end part of the inner gas inlet pipe is bent and arranged downwards.

In the silicon carbide high-temperature flue gas treatment device, the silicon carbide film tube is internally provided with the gas channel, the cross section of the gas channel is square, the side length of the square is 2mm-5mm, and the wall thickness of the silicon carbide film tube is 1 +/-0.2 mm.

Compared with the prior art, the utility model has the advantages that:

1. according to the utility model, the processing structure is utilized to introduce the flue gas into the accommodating cavity, the flue gas is separated in the silicon carbide film tube, the gas enters the silicon carbide film tube and is discharged outwards by the air exhaust assembly, the solid impurities are attached to the outer surface of the silicon carbide film tube or fall into the processing structure again, when the hole of the silicon carbide film tube is blocked by the solid impurities to influence air intake, the air intake and the air exhaust are stopped, the air inflation assembly inflates the silicon carbide film tube, and the solid impurities on the outer surface of the silicon carbide film tube are blown down into the processing structure, so that the device can be restarted to work, and the device has the advantage of high processing efficiency.

2. The sealing cover is detachably connected to the cylinder body, so that the maintenance of the silicon carbide film tube in the cylinder body is facilitated.

3. The upper end part of the inner air inlet pipe is bent and arranged downwards, so that solid impurities are prevented from falling into the inner air inlet pipe and blocking the inner air inlet pipe.

Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model.

Drawings

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

Fig. 2 is a schematic view of the internal structure of the present invention.

Fig. 3 is a schematic view of the connection structure of the silicon carbide membrane tube of the utility model.

Fig. 4 is a schematic cross-sectional view of a gas channel.

In the figure, 1, a cylinder; 2. an accommodating chamber; 3. a silicon carbide membrane tube; 4. an air chamber; 5. an air extraction assembly; 6. an inflation assembly; 7. processing the structure; 8. a partition plate; 9. an air pump; 10. an air extraction pipeline; 11. a buffer tank; 12. an inflation conduit; 13. a sealing cover; 14. a gas port; 15. a dust collecting box; 16. a dust falling port; 17. a smoke inlet pipeline; 18. an assembly port; 19. an outer smoke inlet section; 20. an inner air inlet pipe; 21. a gas channel.

Detailed Description

The utility model is further described below with reference to the accompanying drawings.

As shown in fig. 1 to 4, a carborundum high temperature flue gas processing apparatus, including barrel 1, chamber 2 has to hold in the barrel 1, it is provided with a plurality of carborundum membranous tubes 3 in the chamber 2 to hold, the lower extreme of every carborundum membranous tube 3 is for sealing the form, the upper portion of barrel 1 is provided with the air chamber 4 that is linked together with every carborundum membranous tube 3 is inside, be connected with the subassembly 5 of bleeding that is used for carborundum membranous tube 3 to bleed and be used for carborundum membranous tube 3 to aerify subassembly 6, still be equipped with the processing structure 7 that is used for the flue gas to admit air and collects dust on the carborundum membranous tube 3 on the barrel 1.

In this embodiment, the device utilizes processing structure 7 to let in the flue gas in holding chamber 2, the flue gas separates in carborundum membrane tube 3, gaseous entering utilizes bleed component 5 to discharge outward in carborundum membrane tube 3, solid impurity is attached to on the surface of carborundum membrane tube 3 or falls into again in processing structure 7, when the hole of carborundum membrane tube 3 is blockked up the influence and is admitted air by solid impurity, stop admitting air and bleed, 6 aerify in to carborundum membrane tube 3 of aerifing component, blow off the solid impurity of carborundum membrane tube 3 surface to processing structure 7 in, make the device can restart and carry out work, the advantage that has the treatment effeciency height.

It will be appreciated by those skilled in the art that the silicon carbide membrane tube 3 is prior art and is a commercially available product.

In this embodiment, a plurality of carborundum membrane tubes 3 evenly distributed is in barrel 1, and every carborundum membrane tube 3 sets up perpendicularly along barrel 1's direction of height, and for convenient dismantlement and installation, carborundum membrane tube 3's upper end is connected on air chamber 4 and the baffle 8 that holds between the chamber 2, and fixed mounting is realized to accessible bolt fastening's mode.

Specifically, the air extraction assembly 5 comprises an air extraction pump 9, and the air extraction pump 9 is communicated with the inside of the air chamber 4 through an air extraction pipeline 10. When the equipment works, the filtered gas can be concentrated in the gas chamber 4, and the gas can be transferred in time through the air pump 9, so that the condition that the pressure in the cylinder 1 is overlarge is prevented.

Specifically, the inflation assembly 6 comprises a buffer tank 11, the buffer tank 11 is communicated with the inside of the air chamber 4 through an inflation pipeline 12, nitrogen is stored in the buffer tank 11 through a nitrogen inflation interface, and when the nitrogen is inflated into the silicon carbide film tube 3, the nitrogen is pressurized and flushed to the air chamber 4.

In this embodiment, a sealing cover 13 is disposed at the top of the cylindrical body 1 for facilitating the maintenance of the silicon carbide membrane tube 3 in the cylindrical body 1, the sealing cover 13 is detachably connected to the cylindrical body 1, and the sealing cover 13 is provided with air ports 14 into which the air exhaust pipeline 10 and the air inflation pipeline 12 are inserted respectively.

In order to better discharge the gas, the upper part of the cylinder 1 is arranged in a conical shape, and the diameter of the top part of the cylinder 1 is smaller than that of the middle part of the cylinder 1.

In this embodiment, the processing structure 7 includes a dust collecting box 15, a dust falling port 16 is opened at the top end of the dust collecting box 15, a smoke inlet pipe 17 is provided on the dust collecting box 15, specifically, the smoke inlet pipe 17 includes an outer smoke inlet section 19 provided with an air inlet valve and an inner air inlet pipe 20 extending out from the upper end of the dust collecting box 15, preferably, the upper end of the inner air inlet pipe 20 is bent and arranged downwards, the air inlet valve can be used for controlling the on-off of smoke, and the upper end of the inner air inlet pipe 20 is bent and arranged downwards, so as to prevent solid impurities from falling into the inner air inlet pipe 20 and blocking the inner air inlet pipe 20.

In this embodiment, the bottom end of the cylinder 1 is provided with an assembly opening 18 matched with the dust falling opening 16. The barrel body 1 is mounted with the dust collecting box 15 through the assembling opening 18, and after the mounting is finished, the dust falling opening 16 and the inner air inlet pipe 20 are positioned in the accommodating cavity 2.

In the embodiment, the silicon carbide membrane tube 3 is internally provided with a gas channel 21, the cross section of the gas channel 21 is square, the side length of the square is 2mm-5mm, the wall thickness of the silicon carbide membrane tube 3 is 1 +/-0.2 mm, and the filtering precision of the silicon carbide membrane filter element is 5 mu m and 3 mu m.

The working principle of the utility model is as follows: the device utilizes processing structure 7 to let in the flue gas in holding chamber 2, the flue gas separates in carborundum membrane tube 3, gas enters into and utilizes bleed subassembly 5 outwards to discharge in the carborundum membrane tube 3, solid impurity perhaps falls into again in processing structure 7 on being attached to the surface of carborundum membrane tube 3, when the hole of carborundum membrane tube 3 is blockked up the influence and is admitted air by solid impurity, stop admitting air and bleed air, 6 aerify in to carborundum membrane tube 3 of subassembly of aerifing, blow off the solid impurity of carborundum membrane tube 3 surface to processing structure 7 in, make the device can restart and carry out work, the advantage that has the treatment effeciency height.

Specifically, the lower ends of a plurality of silicon carbide film tubes 3 are closed, the upper opening is used for pumping air, smoke enters the tubes through the tube walls, solid impurities are attached to the tube walls, when enough solid impurities are separated from the tube walls and the pressure rises to a certain value, the air inlet valve is closed, nitrogen is pressurized to recoil the inside of the silicon carbide film tubes 3, and the silicon carbide film 3 is regenerated by utilizing nitrogen blowback, so that the aim of cleaning is fulfilled.

The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the utility model as defined in the appended claims.

Although the terms barrel 1, accommodating chamber 2, silicon carbide membrane tube 3, air chamber 4, air pumping assembly 5, air charging assembly 6, processing structure 7, partition plate 8, air pumping pump 9, air pumping pipeline 10, buffer tank 11, air charging pipeline 12, sealing cover 13, air port 14, dust collecting box 15, dust falling port 16, smoke inlet pipeline 17, assembling port 18, outer smoke inlet section 19, inner air inlet pipe 20, etc. are used more herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention and they are to be interpreted as any additional limitation which is not in accordance with the spirit of the present invention.

Claims

1. The utility model provides a carborundum high temperature flue gas processing apparatus, includes barrel (1), barrel (1) in have and hold chamber (2), its characterized in that, hold and be provided with a plurality of carborundum membrane tubes (3) in chamber (2), the lower extreme of every carborundum membrane tube (3) is for sealing the form, the upper portion of barrel (1) is provided with air chamber (4) that are linked together with every carborundum membrane tube (3) inside, air chamber (4) on be connected with air exhaust subassembly (5) that are used for carborundum membrane tube (3) to bleed and be used for carborundum membrane tube (3) inflatable air inflation subassembly (6), barrel (1) on still be equipped with and be used for the flue gas to admit air and collect processing structure (7) of dust on carborundum membrane tube (3).

2. The silicon carbide high-temperature flue gas treatment device according to claim 1, wherein the silicon carbide membrane tubes (3) are uniformly distributed in the cylinder body (1), each silicon carbide membrane tube (3) is vertically arranged along the height direction of the cylinder body (1), and the upper ends of the silicon carbide membrane tubes (3) are connected to the partition plate (8) between the air chamber (4) and the accommodating cavity (2).

3. The silicon carbide high-temperature flue gas treatment device according to claim 1, wherein the air extraction assembly (5) comprises an air extraction pump (9), and the air extraction pump (9) is communicated with the inside of the gas chamber (4) through an air extraction pipeline (10).

4. The silicon carbide high-temperature flue gas treatment device according to claim 3, wherein the gas charging assembly (6) comprises a buffer tank (11), the buffer tank (11) is communicated with the inside of the gas chamber (4) through a gas charging pipeline (12), and the buffer tank (11) is provided with a nitrogen charging interface.

5. The silicon carbide high-temperature flue gas treatment device according to claim 4, wherein a sealing cover (13) is arranged at the top of the cylinder (1), the sealing cover (13) is detachably connected to the cylinder (1), and the sealing cover (13) is provided with air ports (14) into which the air exhaust pipeline (10) and the air inflation pipeline (12) are inserted respectively.

6. The silicon carbide high-temperature flue gas treatment device according to claim 1, wherein the upper part of the cylinder (1) is conical, and the diameter of the top of the cylinder (1) is smaller than that of the middle part of the cylinder (1).

7. The silicon carbide high-temperature flue gas treatment device according to claim 1, wherein the treatment structure (7) comprises a dust collection box (15), a dust falling port (16) is formed at the top end of the dust collection box (15), and a flue gas inlet pipe (17) is arranged on the dust collection box (15).

8. The silicon carbide high-temperature flue gas treatment device according to claim 7, wherein the bottom end of the cylinder (1) is provided with an assembly opening (18) matched with the dust falling opening (16).

9. The silicon carbide high-temperature flue gas treatment device according to claim 7, wherein the flue gas inlet pipeline (17) comprises an outer flue gas inlet section (19) provided with an air inlet valve and an inner air inlet pipe (20) extending out from the upper end of the dust collection box (15), and the upper end part of the inner air inlet pipe (20) is bent and arranged downwards.

10. The silicon carbide high-temperature flue gas treatment device according to claim 1, wherein the silicon carbide membrane tube (3) is internally provided with a gas channel (21), the cross section of the gas channel (21) is square, the side length of the square is 2mm-5mm, and the wall thickness of the silicon carbide membrane tube (3) is 1 +/-0.2 mm.