CN217613868U

CN217613868U - Waste incineration active carbon conveying device

Info

Publication number: CN217613868U
Application number: CN202220169011.2U
Authority: CN
Inventors: 杨波; 刘志; 张岭凡; 刘凯; 张桂勇; 刘金鹏
Original assignee: Kaifeng Cecep Regeneration Energy Co ltd
Current assignee: Kaifeng Cecep Regeneration Energy Co ltd
Priority date: 2022-01-21
Filing date: 2022-01-21
Publication date: 2022-10-21
Anticipated expiration: 2032-01-21

Abstract

The utility model discloses a waste incineration active carbon conveying device, which comprises a storage bin, a feeding pipe and a conveying pipeline, wherein the feeding pipe comprises a conical section and a straight pipe section, the small-diameter section of the conical section is connected with one end of the straight pipe section, and the large-diameter end of the conical section is butted with the outlet at the bottom of the storage bin; the pipeline of the conveying pipeline is provided with an ejector, the ejector is positioned below the storage bin, the ejector comprises an ejector main body and a first inlet section, a second inlet section and an outlet section which are arranged on the ejector main body, the first inlet section and the outlet section are respectively positioned on two sides of the ejector main body, the second inlet section is vertically and upwards arranged, and the other end of a straight pipe section of the discharging pipe is connected into the second inlet section; one end of the conveying pipeline is connected with an air inlet pipeline through a flange, compressed air is introduced into the air inlet pipeline, and the other end of the conveying pipeline is connected with a dust remover. The utility model discloses simple structure, easily realization can not produce the stifled pipe of active carbon powder and the condition of not unloading, guarantee that the fume emission of msw incineration power generation enterprise is up to standard.

Description

Waste incineration active carbon conveying device

Technical Field

The utility model relates to a msw incineration power generation facility field, concretely relates to msw incineration active carbon conveyor.

Background

Along with the development of the urbanization process and the increasingly severe environmental protection situation in China, the waste incineration power generation becomes one of the important directions for the development of the solid waste industry in China. The waste incineration power generation is taken as a main process for harmless treatment of the waste, can quickly realize reduction, harmlessness and recycling of the waste, and is popularized and applied more and more widely in China. The inevitable production of dioxin and heavy metals in the waste incineration process can cause environmental pollution to a certain extent, and the incineration flue gas needs to be treated. The activated carbon has huge specific surface area and unique pore diameter structure, is used as a carrier for adsorbing dioxin and heavy metals, is sprayed into a flue and is attached to the surface of a cloth bag of a dust collector, and can be used for adsorbing the dioxin and the heavy metals remained in flue gas in the contact process of the activated carbon and the incineration flue gas.

At present, garbage incineration power generation enterprises generally adopt a fan to convey activated carbon powder to a flue, the activated carbon powder is conveyed to an inlet flue of a bag dust collector through the air force of the fan and is further uniformly attached to the surface of a bag, and then partial air reversely flees to a discharging pipe in the process of adopting the air force of the fan to convey the activated carbon powder due to the characteristic of small density and the process characteristic of micro addition, so that the discharging port is in a positive pressure state, the density of the activated carbon is small, the activated carbon is easily unsmooth in discharging, and the condition of no discharging even occurs in serious conditions, thereby not only influencing the continuous stability of the addition of the activated carbon, but also reducing the production efficiency.

Disclosure of Invention

The utility model discloses a solve and utilize the fan at present to carry activated carbon powder to sack cleaner entry flue, often can cause the pipe blockage or supported not unloading by the anti-effect of scurrying of part wind in transportation process, not only can influence the continuous stability that the active carbon added, but also can reduce production efficiency's problem, provide a msw incineration active carbon conveyor, simple structure can not produce the circumstances of stifled pipe and unloading, has improved production efficiency.

In order to realize the purpose, the technical scheme of the utility model is that:

a waste incineration active carbon conveying device comprises a bin filled with active carbon powder, a feeding pipe and a conveying pipeline, wherein the feeding pipe comprises a conical section and a straight pipe section, the small-diameter end of the conical section is connected with one end of the straight pipe section, and the large-diameter end of the conical section is butted with an outlet at the bottom of the bin;

the pipeline of the conveying pipeline is provided with an ejector, the ejector is located below the storage bin, the ejector comprises an ejector main body and a first inlet section, a second inlet section and an outlet section which are arranged on the ejector main body, the first inlet section and the outlet section are respectively located on two sides of the ejector main body, the second inlet section is vertically arranged upwards, and the other end of the straight pipe section of the blanking pipe is connected into the second inlet section;

one end of the conveying pipeline is connected with an air inlet pipeline through a flange, compressed air is connected into the air inlet pipeline, and the other end of the conveying pipeline is connected with a dust remover.

Further, the central lines of the first inlet section, the first outlet section and the conveying pipeline are coaxially arranged, and installation is facilitated.

Furthermore, a first valve is arranged on the conical section of the blanking pipe.

Furthermore, a second valve is arranged on a pipeline of the conveying pipeline, which is close to the dust remover.

Furthermore, a pressure regulating valve is arranged on the pipeline of the air inlet pipeline, so that the pressure of the connected compressed air can be conveniently regulated.

Further, the feed bin is fixedly arranged on the ground through supporting legs, and the installation is firm.

Through the technical scheme, the beneficial effects of the utility model are that:

the utility model discloses an after admission line inserts compressed air, activated carbon powder in the feed bin is carried in being inhaled pipeline, utilize the efflux principle of ejector, effectively avoid stifled pipe and not phenomenon emergence of unloading, thereby guarantee the continuous stability that the activated carbon added, and the production efficiency is improved, and simple structure, easily realize, the activated carbon lasts and finally gets into in the dust remover and adsorb on the sack surface along pipeline, can realize the continuous adsorption of heavy metal and dioxin in the msw incineration flue gas, the production environmental protection requirement of msw incineration power generation enterprise has been satisfied.

Drawings

Fig. 1 is a schematic structural view of the waste incineration activated carbon conveying device of the present invention.

Fig. 2 is a schematic view of the connection between the discharge pipe and the delivery pipe and the ejector in the waste incineration activated carbon delivery device of the utility model.

The reference numbers in the figures are:

the device comprises a storage bin 1, a blanking pipe 2, a conveying pipeline 3, a first inlet section 4, a second inlet section 5, an outlet section 6, an air inlet pipeline 7, a dust remover 8, a first valve 9, a second valve 10, a pressure regulating valve 11 and a supporting leg 12.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and detailed description:

in the description of the present invention, it should be understood that the terms "left", "right", "upper", "lower", "transverse", "vertical", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in fig. 1, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

As shown in fig. 1-2, a waste incineration activated carbon conveying device comprises a bin 1 containing activated carbon powder, a blanking pipe 2 and a conveying pipeline 3, wherein the blanking pipe 2 comprises a conical section and a straight pipe section, the small diameter end of the conical section is connected with one end of the straight pipe section, and the large diameter end of the conical section is butted with an outlet at the bottom of the bin 1; be provided with the ejector on pipeline 3, the ejector is located the below of feed bin 1, and the ejector includes ejector main part and ejector main part first entrance 4, second entrance 5 and export section 6 that have, first entrance 4 and export section 6 are located the both sides of ejector main part respectively, 5 vertical upwards settings in second entrance, the straight tube section other end of unloading pipe 2 inserts extremely in the second entrance 5.

The utility model discloses in, there is inlet line 7 one end of pipeline 3 through flange joint, inlet line 7 inserts compressed air, and pipeline 3's the other end is connected with dust remover 8.

In particular, the first inlet section 4, the outlet section 6 and the central line of the conveying pipe 3 are coaxially arranged, so that the installation operation is convenient.

In this embodiment, a first valve 9 is arranged on the conical section of the discharging pipe 2, and a second valve 10 is arranged on the pipeline of the conveying pipeline 3 close to the dust remover 8, so that the valves can be directly closed to facilitate the maintenance work.

In addition, a pressure regulating valve 11 is arranged on the pipeline of the air inlet pipeline 7, so that the pressure of the accessed compressed air can be conveniently regulated.

Specifically, the storage bin 1 is fixedly arranged on the ground through the supporting legs 12, and the installation is firm and reliable.

It should be noted that, the ejector in the present invention can adopt a PVDF ejector, which is commonly used in liquid-gas phase mixing, liquid-liquid phase mixing, and can also be used for gas-gas phase mixing and gas-liquid phase mixing, the PVDF ejector itself has no moving parts, please refer to fig. 2 again, a nozzle is further disposed inside the ejector main body, the working fluid with a certain pressure flows through the first inlet section 4 and is ejected at a high speed through the nozzle, a vacuum is formed in the nozzle outlet area, so that the pumped medium accessed by the second inlet section 5 is sucked out, and the working fluid and the pumped medium are discharged from the outlet section 6 after being mixed in the ejector main body; the structure of the PVDF jet device, the jet principle thereof and the preparation process of compressed air are all the prior art, and are not described herein again.

In an initial state, firstly, the pressure of compressed air is regulated in advance through a pressure regulating valve 11, and meanwhile, the first valve 9 and the second valve 10 are both in an open state; in use, referring to fig. 1 again, the compressed air introduced by the air inlet pipe 7 continuously enters the conveying pipe 3, specifically, the first inlet section 4 in this embodiment is used for introducing the compressed air, the second inlet section 5 is used for sucking the activated carbon powder in the silo 1, and the outlet section 6 is used for discharging the mixture of the compressed air and the activated carbon powder; along with opening of valve 9, according to the efflux principle, produce the active carbon powder in order to extract feed bin 1 in the local vacuum in the bottom of unloading pipe 2, so, active carbon powder is in being inhaled pipeline 3 under the effect of ejector, the emergence of the not smooth phenomenon of active carbon unloading has been avoided, so follow the active carbon powder in feed bin 1 and continue to be inhaled pipeline 3 in and carry, final active carbon gets into inside dust remover 8 along pipeline 3, and attached to the sack surface of dust remover 8, can effectively adsorb dioxin and the heavy metal that remains in the flue gas.

The above-mentioned embodiments are merely preferred embodiments of the present invention, and not intended to limit the scope of the present invention, so that equivalent changes or modifications made by the structure, features and principles of the present invention should be included in the claims of the present invention.

Claims

1. The waste incineration active carbon conveying device is characterized by comprising a bin (1) filled with active carbon powder, a blanking pipe (2) and a conveying pipeline (3), wherein the blanking pipe (2) comprises a conical section and a straight pipe section, the small-diameter end of the conical section is connected with one end of the straight pipe section, and the large-diameter end of the conical section is butted with an outlet at the bottom of the bin (1);

the pipeline of the conveying pipeline (3) is provided with an ejector, the ejector is located below the storage bin (1), the ejector comprises an ejector main body, and a first inlet section (4), a second inlet section (5) and an outlet section (6) which are arranged on the ejector main body, the first inlet section (4) and the outlet section (6) are respectively located on two sides of the ejector main body, the second inlet section (5) is vertically arranged upwards, and the other end of the straight pipe section of the discharging pipe (2) is connected into the second inlet section (5);

one end of the conveying pipeline (3) is connected with an air inlet pipeline (7) through a flange, compressed air is connected into the air inlet pipeline (7), and the other end of the conveying pipeline (3) is connected with a dust remover (8).

2. A waste incineration activated carbon conveying device according to claim 1, characterized in that the centre lines of the first inlet section (4), the outlet section (6) and the conveying pipe (3) are arranged coaxially.

3. A waste incineration activated carbon conveying device according to claim 1, characterized in that a first valve (9) is arranged on the conical section of the blanking pipe (2).

4. The waste incineration activated carbon conveying device according to claim 1, wherein a second valve (10) is arranged on a pipeline of the conveying pipeline (3) close to the dust remover (8).

5. A waste incineration activated carbon conveying device according to claim 1, characterized in that a pressure regulating valve (11) is arranged on the pipeline of the air inlet pipeline (7).

6. The waste incineration activated carbon conveying device according to claim 1, wherein the storage bin (1) is fixedly arranged on the ground through supporting legs (12).