CN217560384U

CN217560384U - Calcium carbide furnace ash purification gas conveying and burning device

Info

Publication number: CN217560384U
Application number: CN202221543309.1U
Authority: CN
Inventors: 王扣华; 谭传德; 王子婧; 姜大德
Original assignee: Yancheng Ruizhi Environmental Protection Equipment Co ltd
Current assignee: Yancheng Ruizhi Environmental Protection Equipment Co ltd
Priority date: 2022-06-20
Filing date: 2022-06-20
Publication date: 2022-10-11
Anticipated expiration: 2032-06-20

Abstract

The utility model relates to a calcium carbide furnace purifies grey processing technology field, concretely relates to calcium carbide furnace purifies gaseous transport of ash and burns device. The discharge gate department of glassware down is connected with a whirl section of thick bamboo, and a whirl section of thick bamboo passes through feeding line and burns burning furnace intercommunication, and the both ends that easily block up the pipe fitting on the feeding line are equipped with jetting pipeline respectively. And a blowing shutoff valve is arranged on one side of the blowing pipeline, which is far away from the easily blocked pipe fitting, on the feeding pipeline. Still install the deashing subassembly in the feeding line, the deashing subassembly includes deashing power component, deashing cage, the whirl air inlet with fixed being equipped with the whirl board between the whirl gas outlet, be equipped with pressure sensor between whirl board and the whirl board bracket. The blowing pipeline and the ash removal assembly are utilized to clear the blockage of the feeding pipeline, the rotational flow of the air flow is realized by the rotational flow barrel, and larger particles in purified ash are removed, so that the blockage of the feeding pipeline is further avoided, and the stability of the pneumatic conveying process is greatly improved.

Description

Calcium carbide furnace ash purification gas conveying and burning device

Technical Field

The utility model relates to a calcium carbide furnace purifies grey processing technology field, concretely relates to calcium carbide furnace purifies gaseous transport of ash and burns device.

Background

A large amount of high-temperature furnace gas is generated in the production process of the closed calcium carbide furnace, the generation amount of the furnace gas is 400-900 ℃, the dust content is about 50-150 g/Nm & lt 3 & gt, and the furnace gas is released from the calcium carbide furnace, is subjected to preliminary cooling through a water-cooling gas purification flue and then enters a furnace gas purification device. The furnace gas is sequentially pumped into the settling bin, the air cooler and the air cooling bin by a crude gas fan, and is sent into three bag-type dust collectors for fine filtration. Removing 40-50% of large-particle dust in the furnace gas in the sedimentation, reducing the temperature of the furnace gas to 400-600 ℃ before entering an air cooler, reducing the temperature to 180-250 ℃ through an air cooling bin after cooling and dedusting through the air cooler, and sending the furnace gas to a lime kiln as fuel under the action of a gas purifying fan. The solid dust purified ash collected by the precipitator, the air cooler and the bag-type dust remover is conveyed to the purified ash bin through a chain type scraper conveyor.

At present, the purification ash is treated by adopting an incineration mode, the existing incinerator is used as an incineration chamber, the incineration furnace is used for carrying out fluidized incineration on the purification ash, and the incinerated waste residue is discharged from a bottom slag discharge port of the incinerator.

In the prior art, the purification ash in the purification ash bin is conveyed to the incinerator by utilizing pneumatic conveying, and in the process of pneumatic conveying, the condition of blockage of a conveying pipeline occurs sometimes, and even the pipeline can be burst seriously, so that the safety and the efficiency in the process of pneumatic conveying are influenced.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model provides a carbide stove purifies grey gas and carries incineration device utilizes jetting pipeline, deashing subassembly to clear stifled to the feeding line, utilizes a whirl section of thick bamboo to realize the whirl of air current and removes the great particulate matter in the purification ash, has further avoided feeding line's jam, has improved air conveying process's stability greatly.

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

a calcium carbide furnace ash purification gas conveying and burning device comprises an ash purification bin, a feeder, a feeding fan and a burning furnace. The discharging device is located at the bottom of the ash purification bin, and a rotational flow cylinder is connected to a discharging port of the discharging device. The cyclone cylinder comprises a cyclone air inlet and a cyclone cylinder body, the cyclone cylinder body is a cylindrical cylinder body, the lower end of the side wall of the cylinder body is fixed with the cyclone air inlet, and the air inlet direction of the cyclone air inlet is tangent to the side wall of the cyclone cylinder body. The cyclone cylinder is vertically arranged, a cyclone gas outlet is formed in the top of the cyclone cylinder, and the cyclone gas outlet is communicated with the incinerator through a feeding pipeline. And two ends of the pipe fitting which is easy to block on the feeding pipeline are respectively provided with a blowing pipeline, one end of the blowing pipeline is communicated with the feeding pipeline, and the other end of the blowing pipeline is connected with a high-pressure air source. And a blowing shutoff valve is arranged on one side of the blowing pipeline, which is far away from the easily blocked pipe fitting, on the feeding pipeline. Still install the deashing subassembly in the pay-off pipeline, the deashing subassembly includes deashing power component, deashing cage, the deashing cage is cylindric, along the fixed a plurality of deashing scraper blades that are equipped with in the outer circumferencial direction of the cage body of deashing cage. The ash removal cage frame is driven by the ash removal power component to rotate, so that the ash removal scraper blade scrapes the accumulated ash in the feeding pipeline.

Furthermore, a rotational flow plate is fixedly arranged between the rotational flow air inlet and the rotational flow air outlet in the rotational flow cylinder. The inside wall of whirl barrel is fixed and is equipped with the whirl board bracket. The cyclone cylinder is characterized in that a plurality of inner wall clamping blocks are fixedly arranged at positions corresponding to the cyclone plates in the circumferential direction of the inner side wall of the cyclone cylinder body, and cyclone plate clamping grooves are formed in the outer edges of the cyclone plates and at positions corresponding to the inner wall clamping blocks. And a pressure sensor is arranged between the rotational flow plate and the rotational flow plate bracket.

Furthermore, two ends of the pipe fitting which is easy to block on the feeding pipeline are provided with differential pressure sensors.

Furthermore, a discharge valve is arranged at the bottom of the rotational flow cylinder body.

Furthermore, fixedly connected with deashing scrapers on the deashing scraper blade on the deashing cage, the deashing scrapes the strip and is soft materials, the deashing scrapes the strip laminating and is in on the inside wall of feeding line.

Furthermore, the ash removal power assembly is an electric motor and is fixed in the feeding pipeline through a motor fixing frame. One end of the ash removal cage is connected with the ash removal power assembly, the other end of the ash removal cage is rotationally fixed on a cage fixing frame through a rotating shaft, and the cage fixing frame is fixed in the feeding pipeline.

Compared with the prior art, the beneficial effects of the utility model are that:

the air flow forms rotational flow in the rotational flow cylinder body, so that larger particles in the air flow can be settled, smaller purified ash enters the incinerator along with the air flow to be incinerated, and the situation that the larger particles enter a subsequent feeding pipeline and settle in the pipeline to block the pipeline is effectively avoided.

The two sides of the pipe fitting which is easy to block on the feeding pipeline are respectively provided with the blowing pipeline, and the blowing pipelines on the two sides are used for blowing the blocked part in a forward and backward two-way mode, so that the pipe fitting can be cleared.

When the blowing pipeline is used for blowing, the corresponding blowing shutoff valve can be closed, and the blowing pressure can be effectively improved.

The ash removal scraper on the outer circumference of the ash removal cage frame can scrape and clean accumulated ash accumulated on the inner side wall of the feeding pipeline, and the blockage of the pipeline at the ash removal assembly is avoided.

Drawings

Fig. 1 is a structural schematic diagram of the calcium carbide furnace ash purification gas conveying and burning device.

Fig. 2 is a schematic view of the cross-sectional structure of the cyclone cartridge of the present invention.

Fig. 3 isbase:Sub>A schematic sectional view in the direction ofbase:Sub>A-base:Sub>A in fig. 2.

Fig. 4 is a schematic sectional view in the direction B-B in fig. 2.

Fig. 5 is a schematic top view of the vortex plate of the present invention.

Fig. 6 is a partially enlarged view of C in fig. 2.

Fig. 7 is a front view structural schematic diagram of the ash removal assembly of the present invention.

Fig. 8 is a schematic sectional view in the direction D-D in fig. 7.

Fig. 9 is a schematic sectional view along the direction E-E in fig. 7.

In the figure: 1. the device comprises a dust purification bin, 2, a feeder, 3, a feeding fan, 4, an incinerator, 5, a cyclone cylinder, 5.1, a cyclone air inlet, 5.2, a cyclone cylinder body, 5.3, a cyclone plate, 5.4, a cyclone air outlet, 5.5, an inner wall fixture block, 5.6, a cyclone plate bracket, 6, a blowing pipeline, 7, a blowing shutoff valve, 8, a pressure difference sensor, 9, an ash removal component, 9.1, an ash removal power component, 9.2, a motor fixing frame, 9.3, an ash removal scraping strip, 9.4, a cage fixing frame, 9.5, an ash removal cage, 10, a feeding pipeline, 11 and a discharging valve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1 to 3, a calcium carbide furnace ash purification gas conveying and incinerating device comprises an ash purification bin 1, a feeder 2, a feeding fan 3 and an incinerator 4. The discharging device 2 is positioned at the bottom of the ash purifying bin 1, and a rotational flow cylinder 5 is connected at the discharging port of the discharging device 2. The cyclone cylinder 5 comprises a cyclone air inlet 5.1 and a cyclone cylinder body 5.2, the cyclone cylinder body 5.2 is a cylindrical cylinder body, the lower end of the side wall of the cylinder body is fixed with the cyclone air inlet 5.1, and the air inlet direction of the cyclone air inlet 5.1 is tangent to the side wall of the cyclone cylinder body 5.2. The cyclone cylinder body 5.2 is vertically arranged, a cyclone gas outlet 5.4 is formed in the top of the cyclone cylinder body, and the cyclone gas outlet 5.4 is communicated with the incinerator 4 through a feeding pipeline 10. And the two ends of the pipe fittings which are easy to block on the feeding pipeline 10 are respectively provided with a blowing pipeline 6, one end of the blowing pipeline 6 is communicated with the feeding pipeline 10, and the other end of the blowing pipeline is connected with a high-pressure air source. And a blowing shutoff valve 7 is arranged on the feeding pipeline 10 and positioned on one side of the blowing pipeline 6, which is far away from the easily blocked pipe fitting. As shown in fig. 7 to 9, an ash removal component 9 is further installed in the feeding pipeline 10, the ash removal component 9 includes an ash removal power component 9.1 and an ash removal cage 9.5, the ash removal cage 9.5 is cylindrical, and a plurality of ash removal scrapers are fixedly arranged along the outer circumferential direction of the cage of the ash removal cage 9.5. The ash cleaning cage frame 9.5 is driven by the ash cleaning power component 9.1 to rotate, so that the ash cleaning scraper scrapes the accumulated ash in the feeding pipeline 10. The purified ash in the purified ash bin 1 flows out through the blanking device 2, and the purified ash enters the cyclone cylinder 5 along with the airflow under the action of the feeding fan 3. The air inlet direction of the rotational flow air inlet 5.1 is tangent to the side wall of the rotational flow cylinder 5.2, so that airflow forms rotational flow in the rotational flow cylinder 5.2, larger particulate matters in the airflow can be settled, smaller purified ash enters the incinerator 4 along with the airflow for incineration treatment, and the situation that the larger particulate matters enter the subsequent feeding pipeline 10 and settle in the pipeline to block the pipeline is effectively avoided; the air flow and the purified ash form rotational flow in the rotational flow cylinder 5.2, which is also beneficial to the mixing of the air flow and the purified ash, so that the air flow and the purified ash are uniformly mixed and conveyed into the incinerator 4. The feeding pipeline 10 is provided with an elbow, a valve and the like which are easy to block a pipe fitting, two sides of the pipe fitting which is easy to block are respectively provided with one blowing pipeline 6, and the blowing pipelines 6 on the two sides are used for blowing the blocked part in a forward and reverse two-way mode, so that the pipe fitting can be cleared. When purging is performed with the blowing line 6, the corresponding blowing shut-off valve 7 can be closed to increase the purge pressure. In addition, deashing power component 9.1 drive deashing cage 9.5 rotates, deashing scraper blade on the outer circumference of deashing cage 9.5 can be to piling up the deposition on the feeding pipeline 10 inside wall is scraped off, is cleared up, avoids the jam of deashing subassembly 9 department pipeline.

As shown in fig. 4 to 6, in the above embodiment, a swirl plate 5.3 is fixedly disposed between the swirl air inlet 5.1 and the swirl air outlet 5.4 in the swirl cylinder 5.2. The inside wall of whirl barrel 5.2 is fixed and is equipped with whirl board bracket 5.6. On the circumferencial direction of the inside wall of whirl barrel 5.2, the position department that corresponds with whirl board 5.3 is fixed and is equipped with a plurality of inner wall fixture block 5.5, whirl board draw-in groove 5.5 has been seted up along the outer border of whirl board 5.3 with the position department that inner wall fixture block 5.5 corresponds. And a pressure sensor is arranged between the swirl plate 5.3 and the swirl plate bracket 5.6. Whirl board 5.3 can further improve the air current and purify the mixed degree of ash, simultaneously work as when the deposition is too much on whirl board 5.3, pressure sensor can send out the police dispatch newspaper, and it is right to remind whirl board 5.3 clears up.

On the basis of the above embodiment, two ends of the pipe fitting easy to block on the feeding pipeline 10 are provided with differential pressure sensors.

On the basis of the above embodiment, the bottom of the cyclone cylinder 5.2 is provided with a discharge valve 11. When the materials in the cyclone cylinder 5.2 are accumulated to a certain degree, the discharge valve 11 is opened, and the large-particle purified ash is conveyed to the formulating equipment for further crushing, conveying, burning and other treatments.

On the basis of the above embodiment, the ash removal scraping plate on the ash removal cage 9.5 is fixedly connected with an ash removal scraping strip 9.3, the ash removal scraping strip 9.3 is made of a soft material, and the ash removal scraping strip 9.3 is attached to the inner side wall of the feeding pipeline 10.

On the basis of the above embodiment, the ash removal power assembly 9.1 is an electric motor, and the ash removal power assembly 9.1 is fixed in the feeding pipeline 10 through a motor fixing frame 9.1. One end of the ash removal cage 9.5 is connected with the ash removal power component 9.1, the other end of the ash removal cage is rotationally fixed on a cage fixing frame 9.4 through a rotating shaft, and the cage fixing frame 9.4 is fixed in the feeding pipeline 10.

The foregoing illustrates and describes the general principles, features and advantages of the present invention. The directional indicators such as front, back, left, right, end, front, etc. are only used for describing the structure, but not for limitation. Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes may 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. The utility model provides a carbide stove ash purification gas carries burns device, includes ash purification storehouse (1), glassware (2), pay-off fan (3), burns burning furnace (4), its characterized in that: the blanking device (2) is positioned at the bottom of the ash purification bin (1), and a discharge port of the blanking device (2) is connected with a cyclone cylinder (5); the cyclone cylinder (5) comprises a cyclone air inlet (5.1) and a cyclone cylinder body (5.2), the cyclone cylinder body (5.2) is a cylindrical cylinder body, the cyclone air inlet (5.1) is fixed at the lower end of the side wall of the cylinder body, and the air inlet direction of the cyclone air inlet (5.1) is tangential to the side wall of the cyclone cylinder body (5.2); the cyclone cylinder body (5.2) is vertically arranged, a cyclone gas outlet (5.4) is formed in the top of the cyclone cylinder body, and the cyclone gas outlet (5.4) is communicated with the incinerator (4) through a feeding pipeline (10); both ends of the feeding pipeline (10), which are easy to block the pipe fittings, are respectively provided with a blowing pipeline (6), one end of the blowing pipeline (6) is communicated with the feeding pipeline (10), and the other end of the blowing pipeline is connected with a high-pressure air source; a blowing shutoff valve (7) is arranged on the feeding pipeline (10) and is positioned on one side of the blowing pipeline (6) far away from the easily blocked pipe fitting; an ash removal component (9) is further mounted in the feeding pipeline (10), the ash removal component (9) comprises an ash removal power component (9.1) and an ash removal cage (9.5), the ash removal cage (9.5) is cylindrical, and a plurality of ash removal scraping plates are fixedly arranged along the outer circumferential direction of a cage body of the ash removal cage (9.5); the ash removal cage frame (9.5) is driven by the ash removal power component (9.1) to rotate, so that the ash removal scraper blade scrapes accumulated ash in the feeding pipeline (10).

2. The calcium carbide furnace ash purification gas conveying and incinerating device as claimed in claim 1, wherein: a rotational flow plate (5.3) is fixedly arranged between the rotational flow air inlet (5.1) and the rotational flow air outlet (5.4) in the rotational flow cylinder (5.2); a rotational flow plate bracket (5.6) is fixedly arranged on the inner side wall of the rotational flow cylinder (5.2); a plurality of inner wall clamping blocks (5.5) are fixedly arranged at positions corresponding to the rotational flow plates (5.3) in the circumferential direction of the inner side walls of the rotational flow cylinders (5.2), and rotational flow plate clamping grooves (5.5) are formed in positions corresponding to the inner wall clamping blocks (5.5) on the outer edges of the rotational flow plates (5.3); and a pressure sensor is arranged between the swirl plate (5.3) and the swirl plate bracket (5.6).

3. The calcium carbide furnace purified ash gas conveying and incinerating device as claimed in claim 1, wherein: and the two ends of the pipe fitting easy to block on the feeding pipeline (10) are provided with differential pressure sensors (8).

4. The calcium carbide furnace purified ash gas conveying and incinerating device as claimed in claim 1, wherein: and a discharge valve (11) is arranged at the bottom of the rotational flow cylinder body (5.2).

5. The calcium carbide furnace ash purification gas conveying and incinerating device as claimed in claim 1, wherein: fixedly connected with deashing scrapes strip (9.3) on the deashing scraper blade on deashing cage (9.5), deashing scrapes strip (9.3) and is soft material, the deashing is scraped strip (9.3) the laminating and is in on the inside wall of feeding line (10).

6. The calcium carbide furnace purified ash gas conveying and incinerating device as claimed in claim 1, wherein: the ash removal power assembly (9.1) is a motor, and the ash removal power assembly (9.1) is fixed in the feeding pipeline (10) through a motor fixing frame (9.2); one end of the ash removal cage frame (9.5) is connected with the ash removal power component (9.1), the other end of the ash removal cage frame is rotationally fixed on a cage frame fixing frame (9.4) through a rotating shaft, and the cage frame fixing frame (9.4) is fixed in the feeding pipeline (10).