CN216395971U

CN216395971U - Wet exhaust device

Info

Publication number: CN216395971U
Application number: CN202122859263.6U
Authority: CN
Inventors: 张刚; 王军; 张利君; 鲁跃峰; 李锐; 刘亮亮
Original assignee: Shangwan Thermal Power Plant Of Beijing Guodian Power Co ltd; National Energy Group Inner Mongolia Electric Power Co ltd
Current assignee: Shangwan Thermal Power Plant Of Beijing Guodian Power Co ltd; National Energy Group Inner Mongolia Electric Power Co ltd
Priority date: 2021-11-19
Filing date: 2021-11-19
Publication date: 2022-04-29
Anticipated expiration: 2031-11-19

Abstract

The utility model discloses a wet exhaust device which comprises a stirring cylinder, an ash inlet pipe, a water inlet pipe and a spiral stirring shaft, wherein the stirring cylinder is provided with an ash inlet, an ash outlet and a water inlet, the stirring cylinder is provided with a first end and a second end, the first end and the second end are arranged in a reverse mode, the ash inlet is positioned at the first end, the ash outlet is positioned at the second end, the water inlet is positioned between the first end and the second end, one end of the ash inlet pipe is connected with the ash inlet, the other end of the ash inlet pipe is used for being connected with an ash tank truck, one end of the water inlet pipe is connected with the water inlet, the other end of the water inlet pipe is used for being connected with a water source, and the spiral stirring shaft is arranged in the stirring cylinder. The wet discharging device can solve the problems that the coal ash is humidified and stirred in a thermal power plant, occupies a larger position in the thermal power plant and causes disorder in the thermal power plant.

Description

Wet exhaust device

Technical Field

The utility model relates to the technical field of dust treatment equipment, in particular to a wet exhaust device.

Background

In the thermal power plant, a large amount of fly ash (dust) is generated, and if the fly ash is directly discharged, the problem of emission pollution is caused, and the surrounding environment of the thermal power plant is affected, so that in the thermal power plant, the fly ash is humidified and stirred, but the fly ash occupies a large position in the thermal power plant, and is frequently operated, thereby causing confusion in the thermal power plant.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a wet discharging device, which aims to solve the problems that fly ash is humidified and stirred in a thermal power plant, a large position in the thermal power plant is occupied, and disorder in the thermal power plant is caused.

In order to solve the problems, the utility model adopts the following technical scheme:

the utility model provides a wet row device, includes the churn, advances grey pipe, inlet tube and spiral (mixing) shaft, the churn is equipped with into ash mouth, ash hole and water inlet, the churn has first end and second end, first end with the second end sets up back to the back mutually, advance the ash hole and be located first end, the ash hole is located the second end, the water inlet is located first end with between the second end, the one end of advancing the grey pipe with advance the ash hole and link to each other, the other end of advancing the grey pipe is used for linking to each other with the ash can car, the one end of inlet tube with the water inlet links to each other, the other end of inlet tube is used for linking to each other with the water source, spiral (mixing) shaft locates within the churn.

Optionally, the periphery of churn is equipped with sprays the water ring, the outside of spraying the water ring is located outside the churn, the inboard of spraying the water ring is located within the churn, the water inlet is located spray the outside of water ring, spray the inboard of water ring and be equipped with the nozzle.

Optionally, the number of the water inlets is multiple, and the multiple water inlets are connected with the water inlet pipe.

Optionally, the number of the spraying water rings is multiple, and the multiple spraying water rings are arranged at intervals from the first end to the second end on the periphery of the stirring barrel.

Optionally, the number of the nozzles is multiple, and the nozzles are uniformly arranged on the inner side of the spraying water ring.

Optionally, the mixing drum is arranged obliquely, and the height of the mixing drum is gradually reduced from the ash inlet to the ash outlet.

Optionally, the wet exhaust device further comprises wheels, the wheels are arranged on the mixing drum, and the wheels are used for driving the wet exhaust device to move.

Optionally, the wet exhaust device further comprises a driving motor, the driving motor is connected with the spiral stirring shaft, and the driving motor is used for driving the spiral stirring shaft to rotate.

Optionally, the wet exhaust device further comprises a speed reducer, the speed reducer is arranged between the driving motor and the spiral stirring shaft, and the speed reducer is used for adjusting the rotating speed of the spiral stirring shaft.

Optionally, the water source is an industrial waste water tank.

The technical scheme adopted by the utility model can achieve the following beneficial effects:

the wet exhaust device comprises a stirring cylinder, an ash inlet pipe, a water inlet pipe and a spiral stirring shaft, wherein the ash inlet pipe supplies dust to the stirring cylinder through an ash inlet, the water inlet pipe supplies water to the stirring cylinder through a water inlet, and when the spiral stirring shaft rotates, the dust and the water are stirred in the stirring cylinder to be changed into wet dust to be discharged, so that the environmental pollution caused by direct discharge of the dust is avoided; the one end that advances the ash pipe links to each other with advancing the ash mouth, and the other end that advances the ash pipe is used for linking to each other with the ash tank car, and required position is transported to the ash tank car of dust accessible, handles the dust in required position to avoid carrying out the humidification stirring to fly ash in thermal power factory, in order to avoid occupying the great position in the thermal power factory, also avoid chaotic in the thermal power factory.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic structural diagram of a wet-exhaust apparatus according to an embodiment of the present invention.

Description of reference numerals:

100-stirring cylinder, 110-ash inlet, 120-ash outlet, 130-water inlet,

200-an ash inlet pipe,

300-a water inlet pipe,

400-spiral stirring shaft,

500-ash tanker,

600-water source,

700-spraying water ring, 710-nozzle,

800-wheel,

910-driving motor, 920-reducer.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the specific embodiments of the present invention and the accompanying drawings. It is to be understood that the described embodiments are merely exemplary of the utility model, and not restrictive of the full scope of the utility model. 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.

The technical solutions disclosed in the embodiments of the present invention are described in detail below with reference to the accompanying drawings.

As shown in fig. 1, the present invention provides a wet exhaust apparatus, which includes a mixing drum 100, an ash inlet pipe 200, a water inlet pipe 300, and a spiral mixing shaft 400.

The mixing drum 100 is a structural member having a cavity, and the mixing drum 100 can provide a space for humidifying and mixing dust, for example, the mixing drum 100 can be a seamless steel pipe; the ash inlet pipe 200 can provide dust for the mixing drum 100, the water inlet pipe 300 can supply water for the mixing drum 100, the spiral stirring shaft 400 is a structural component for providing stirring power, the spiral stirring shaft 400 rotates, on one hand, the dust and the water can be mixed into wet ash, on the other hand, the mixed wet ash can be conveyed to the ash outlet 120 in a rotating mode.

The mixing drum 100 is provided with an ash inlet 110, an ash outlet 120 and a water inlet 130, the mixing drum 100 is provided with a first end and a second end, the first end and the second end are arranged in a back-to-back manner, the ash inlet 110 is located at the first end, the ash outlet 120 is located at the second end, and the water inlet 130 is located between the first end and the second end. That is, the dust enters the mixing drum 100 from the dust inlet 110 at the first end, and after entering, gradually moves towards the dust outlet 120 along with the rotation of the spiral mixing shaft 400, and during the movement, meets the water entering from the water inlet 130, the dust and the water are mixed into wet dust under the mixing of the spiral mixing shaft 400, and gradually moves towards the dust outlet 120 along with the rotation of the spiral mixing shaft 400 until reaching the dust outlet 120 at the second end, and the wet dust is discharged from the dust outlet 120.

One end of the dust inlet pipe 200 is connected to the dust inlet 110, the other end of the dust inlet pipe 200 is used for connecting to the dust tank truck 500, one end of the water inlet pipe 300 is connected to the water inlet 130, the other end of the water inlet pipe 300 is used for connecting to the water source 600, and the dust inlet pipe 200 can provide the dust transported by the dust tank truck 500 to the mixing drum 100.

The helical stirring shaft 400 is provided within the mixing drum 100, and the helical stirring shaft 400 is rotatably connected with the mixing drum 100, that is, the helical stirring shaft 400 can rotate in the mixing drum 100, and optionally, the helical stirring shaft 400 is arranged along the center of the mixing drum 100.

By adopting the wet discharging device, the dust inlet pipe 200 supplies dust to the stirring cylinder 100 through the dust inlet 110, the water inlet pipe 300 supplies water to the stirring cylinder 100 through the water inlet 130, and when the spiral stirring shaft 400 rotates, the dust and the water are stirred in the stirring cylinder 100 to be changed into wet dust to be discharged, so that the environmental pollution caused by direct discharge of the dust is avoided. The one end that advances ash pipe 200 links to each other with entering ash mouth 110, and the other end that advances ash pipe 200 is used for linking to each other with ash tank wagon 500, and required position is transported to dust accessible ash tank wagon 500, handles the dust in required position to avoid carrying out the humidification stirring to fly ash in thermal power factory, in order to avoid occupying the great position in the thermal power factory, also avoid chaotic in the thermal power factory.

In the embodiment of the present invention, the outer circumference of the mixing drum 100 is provided with a spraying water ring 700, the spraying water ring 700 is an annular structural member with a cavity, the outer side of the spraying water ring 700 is arranged outside the mixing drum 100, the inner side of the spraying water ring 700 is arranged inside the mixing drum 100, the water inlet 130 is located at the outer side of the spraying water ring 700, and the inner side of the spraying water ring 700 is provided with a nozzle 710. Water can enter the water spraying ring 700 through the water inlet 130 and then be sprayed into the mixing drum 100 through the nozzle 710 to be mixed with the dust.

The spraying water ring 700 is arranged, water can enter the stirring cylinder 100 from the circumference of the stirring cylinder 100, the contact area between the water and the stirring cylinder 100 is enlarged, and therefore mixing of the water and dust can be better achieved.

Specifically, the number of the water inlets 130 is plural, for example, the number of the water inlets 130 may be two, three or more, and the plural water inlets 130 are connected to the water inlet pipe 300. The provision of the plurality of water inlets 130 makes it possible to supply water to the agitating drum 100 at a plurality of positions, so that the mixing of the water and the dust can be more effectively achieved.

The plurality of water inlets 130 may be arranged at intervals along the axial direction of the agitating drum 100; the plurality of water inlets 130 may also be arranged at intervals along the circumferential direction of the agitating drum 100; alternatively, the plurality of water inlets 130 may be arranged at intervals along the axial direction of the mixing drum 100, and the plurality of water inlets 130 may also be arranged at intervals along the circumferential direction of the mixing drum 100, that is, the plurality of water inlets 130 are arranged at intervals along the axial direction of the mixing drum 100, and the plurality of water inlets 130 are arranged at intervals along the circumferential direction of the mixing drum 100, so that the plurality of water inlet positions are arranged along the axial direction of the mixing drum 100, and the plurality of water inlet positions are also arranged along the circumferential direction of the mixing drum 100, so that the mixing of water and dust can be better realized, and the dust can be sufficiently wetted.

Specifically, the number of the spray water rings 700 is plural, for example, the number of the spray water rings 700 may be two, three or more, and the plural spray water rings 700 are arranged at intervals from the first end to the second end at the outer circumference of the agitating drum 100. The provision of the plurality of water spray rings 700 makes it possible to supply water to the agitating drum 100 at a plurality of positions, so that the mixing of water and dust can be more effectively achieved.

In the case where a plurality of spray water rings 700 are provided, a plurality of water inlets 130 may be provided on each spray water ring 700. And a plurality of water inlet positions are further provided, so that the mixing of water and dust is better realized.

Specifically, the number of the nozzles 710 is plural, for example, the number of the nozzles 710 may be two, three or more, and the plural nozzles 710 are uniformly arranged inside the spray water ring 700. The plurality of nozzles 710 are provided to supply water to the agitating drum 100 at a plurality of positions in the circumferential direction, so that the water and the dust can be mixed more effectively.

In the embodiment of the present invention, the mixing drum 100 is disposed obliquely, and the height of the mixing drum 100 gradually decreases from the ash inlet 110 to the ash outlet 120. The mixing drum 100 is obliquely arranged, so that the wet ash can be promoted to move towards the ash outlet 120 by utilizing the action of gravity, and the wet ash is prevented from staying in the mixing drum 100 for too long and being stuck on the side wall of the mixing drum 100.

In the embodiment of the present invention, the wet exhaust device further includes a wheel 800, the wheel 800 is disposed on the mixing drum 100, and the wheel 800 is configured to drive the wet exhaust device to move. Set up wheel 800, can make things convenient for wet row's removal, lead to wheel 800 and can easily remove the required position with wet row's device, carry out humidification stirring processing to the dust in the ash can truck 500 in the required position, improved the flexibility of operation.

In the embodiment of the present invention, the wet exhaust apparatus may further include a driving motor 910, the driving motor 910 is connected to the spiral stirring shaft 400, and the driving motor 910 is configured to drive the spiral stirring shaft 400 to rotate. The driving motor 910 drives the spiral stirring shaft 400, so that the automatic driving of the spiral stirring shaft 400 is realized, and the time and the labor are saved. A drive motor 910 may be provided at the second end, at which it drives rotation of helical agitator shaft 400.

Further, the wet exhaust apparatus may further include a speed reducer 920, the speed reducer 920 is disposed between the driving motor 910 and the spiral stirring shaft 400, and the speed reducer 920 is used for adjusting the rotation speed of the spiral stirring shaft 400. When the rotation speed of the driving motor 910 is large and the rotation speed required by the helical stirring shaft 400 is small, the speed can be reduced by the speed reducer 920 to match the rotation speed required by the helical stirring shaft 400.

In the embodiment of the present invention, the water source 600 may be any water source 600, such as tap water, industrial water, or other water sources 600, and optionally, the water source 600 is an industrial wastewater storage tank, that is, the industrial wastewater is utilized to humidify the dust, so that the wastewater in the power plant can be fully utilized, and the waste of resources is avoided.

Alternatively, if the ash tanker 500 has a maximum ash carrying amount of 50t and ash discharge time of 40min-60min and if wet ash is discharged at 0.8t-1.2t per minute, a seamless steel pipe with a diameter of 500mm and a length of 6m can be used as the mixing drum 100, and a spiral mixing shaft 400 is arranged in the mixing drum 100, and is matched with a driving motor 910 of 18.5KW and a speed reducer 920 of 100 r/min. The mixing drum 100 is provided with two spraying water rings 700 with an interval of 1.2m, the left and right sides of the two spraying water rings 700 are provided with water inlet pipes 300 with a diameter of 50mm, and the water source 600 can use industrial wastewater of a power plant. An ash inlet pipe 200 with the diameter of 100mm is arranged at the first end (front end) of the mixing drum 100, the ash inlet pipe 200 is connected with an ash tank truck 500, and an ash outlet 120 is arranged at the lower side of the second end (tail end) of the mixing drum 100.

The wet discharging device provided by the embodiment of the utility model can be used for humidifying and stirring dust in the dust storage yard, is safe and reliable to operate, has an ideal stirring effect, and can discharge wet dust meeting the environmental protection requirement and simultaneously perform dust discharging, stirring and rolling treatment. The working efficiency is improved, the health of workers who contact dust is protected, the dust pollution is effectively reduced, the covering soil is reduced, the utilization rate of the storage capacity of the dust storage yard is improved, the dust discharging is smooth, no dust is blocked, no adhesion exists, the size is small, and the cost is low.

Therefore, by adopting the wet exhaust device of the present invention, the dust inlet pipe 200 supplies dust to the mixing drum 100 through the dust inlet 110, the water inlet pipe 300 supplies water to the mixing drum 100 through the water inlet 130, and the spiral mixing shaft 400 rotates to mix the dust and the water in the mixing drum 100 and discharge the dust as wet dust, thereby avoiding environmental pollution caused by direct discharge of the dust.

The one end that advances ash pipe 200 links to each other with entering ash mouth 110, and the other end that advances ash pipe 200 is used for linking to each other with ash tank wagon 500, and required position is transported to dust accessible ash tank wagon 500, handles the dust in required position to avoid carrying out the humidification stirring to fly ash in thermal power factory, in order to avoid occupying the great position in the thermal power factory, and lead to chaotic in the thermal power factory.

And, set up a plurality of spray water ring 700, a plurality of water inlets 130, a plurality of nozzle 710, supply water from a plurality of positions, increase the area of contact of water and dust to can realize the mixture of water and dust better. Wheels 800 are provided to facilitate movement of the wet exhaust apparatus. The driving motor 910 and the speed reducer 920 are provided to better drive the rotation of the spiral stirring shaft 400.

In the above embodiments of the present invention, the difference between the embodiments is mainly described, and different optimization features between the embodiments can be combined to form a better embodiment as long as they are not contradictory, and further description is omitted here in view of brevity of the text.

The above description is only an example of the present invention, and is not intended to limit the present invention. Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. The wet discharging device is characterized by comprising a stirring cylinder (100), an ash inlet pipe (200), a water inlet pipe (300) and a spiral stirring shaft (400), wherein the stirring cylinder (100) is provided with an ash inlet (110), an ash outlet (120) and a water inlet (130), the stirring cylinder (100) is provided with a first end and a second end, the first end and the second end are arranged in a back-to-back manner, the ash inlet (110) is arranged at the first end, the ash outlet (120) is arranged at the second end, the water inlet (130) is arranged between the first end and the second end, one end of the ash inlet pipe (200) is connected with the ash inlet (110), the other end of the ash inlet pipe (200) is used for being connected with an ash tank truck (500), one end of the water inlet pipe (300) is connected with the water inlet (130), and the other end of the water inlet pipe (300) is used for being connected with a water source (600), the spiral stirring shaft (400) is arranged in the stirring cylinder (100).

2. The wet discharging device according to claim 1, wherein a spraying water ring (700) is arranged on the periphery of the mixing drum (100), the outer side of the spraying water ring (700) is arranged outside the mixing drum (100), the inner side of the spraying water ring (700) is arranged inside the mixing drum (100), the water inlet (130) is arranged on the outer side of the spraying water ring (700), and the inner side of the spraying water ring (700) is provided with a nozzle (710).

3. The wet row apparatus as claimed in claim 2, wherein the number of the water inlets (130) is plural, and the plural water inlets (130) are connected to the water inlet pipe (300).

4. The wet exhaust apparatus according to claim 2, wherein the number of the spray water rings (700) is plural, and the plural spray water rings (700) are arranged at intervals from the first end to the second end at the outer periphery of the agitating drum (100).

5. The wet row apparatus as claimed in claim 2, characterized in that the number of the nozzles (710) is plural, and the plural nozzles (710) are uniformly arranged inside the sprinkling water ring (700).

6. The wet exhaust apparatus according to claim 1, wherein the mixing drum (100) is disposed obliquely, and the height of the mixing drum (100) is gradually reduced from the ash inlet (110) to the ash outlet (120).

7. The wet exhaust device according to claim 1, further comprising a wheel (800), wherein the wheel (800) is provided on the agitating drum (100), and the wheel (800) is used for driving the wet exhaust device to move.

8. The wet exhaust apparatus according to claim 1, further comprising a driving motor (910), wherein the driving motor (910) is connected to the helical stirring shaft (400), and the driving motor (910) is used for driving the helical stirring shaft (400) to rotate.

9. The wet row device according to claim 8, further comprising a speed reducer (920), wherein the speed reducer (920) is disposed between the driving motor (910) and the helical stirring shaft (400), and the speed reducer (920) is used for adjusting the rotation speed of the helical stirring shaft (400).

10. The wet drain apparatus according to claim 1, wherein the water source (600) is an industrial waste water tank.