CN220206782U - Material level detection device of electric dust removal ash bucket - Google Patents

Abstract

The utility model discloses an electric dust-removing ash bucket material level detection device which comprises a base and an ash bucket arranged on the upper surface of the base, wherein a discharging opening is arranged at the bottom of the ash bucket, the electric dust-removing ash bucket material level detection device is respectively arranged at the high material level position and the high material level position of the ash bucket, the electric dust-removing ash bucket material level detection device comprises an ash bucket gasification device, a compressed air pipe and a compressed air flowmeter, the ash bucket gasification device is fixed on the outer wall of the ash bucket, the compressed air pipe is connected with the ash bucket gasification device, and the compressed air flowmeter is arranged on the compressed air pipe. The utility model can accurately detect and find the ash deposition problem of the ash bucket through the flow change of the compressed air pipe, can prompt related personnel to process in time, prevents the power loss caused by the load limiting of the unit, and has high accuracy and reliability.

Description

Material level detection device of electric dust removal ash bucket

Technical Field

The utility model relates to the technical field of coal-fired unit equipment, in particular to a device for detecting the material level of an electric dust-removing ash bucket.

Background

The ash bucket is a device for collecting and temporarily storing materials arranged at the lower part of the dust remover box. In the actual use process of the ash bucket, the bin level of dust in the ash bucket needs to be detected by a bin level meter, and the publication number of the Chinese patent net is: CN215767261U discloses a level monitoring device for a dust hopper of a dust remover, comprising a level gauge arranged in the dust hopper, at least one temperature detector is circumferentially and uniformly distributed on the wall of the dust hopper below the level gauge, the temperature detector comprises a metal contact end for measuring temperature and a shell connected with the metal contact end, and a temperature controller is arranged in the shell; the metal contact end points to the central axis of the ash bucket.

This patent carries out contact detection to the material level through the charge level indicator that sets up at the high material level of ash bucket, combines the thermal resistor that sets up in the charge level indicator below to detect the temperature in the ash bucket, and the condition of putty deposition appears in the ash bucket is avoided to the double insurance. However, the above-mentioned level monitoring device needs to be electrified to work in the actual running process, no matter the level gauge or the thermal resistor is arranged in the ash bucket, after long-time running, the electronic component is very easy to be short-circuited due to insufficient heat dissipation or infiltration of dust in the environment covered with dust. If part of the electric dust hopper is at a high material level, the electric dust hopper can not be detected in time sometimes, so that a large potential safety hazard is caused. When the accumulated ash is to a certain extent, if the accumulated ash is not treated in time, the accumulated ash exceeds the upper limit of the bearing capacity of the electric dust-removing ash bucket, the ash bucket can collapse, and unsafe events can occur.

Disclosure of Invention

In order to overcome the defects in the prior art, the embodiment of the utility model provides a device for detecting the material level of an electric dust hopper, which aims to solve the problem of unreliable material level detection of the electric dust hopper of a coal-fired unit.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides an electric precipitation ash bucket material level detection device, includes the base and sets up the ash bucket at the base upper surface, the bottom of ash bucket is equipped with the feed opening, the high material level department of ash bucket and high material level are equipped with electric precipitation ash bucket material level detection device respectively, electric precipitation ash bucket material level detection device includes ash bucket gasification equipment, compressed air pipe and compressed air flowmeter, ash bucket gasification equipment is fixed on the outer wall of ash bucket, ash bucket corresponds ash bucket gasification equipment department and is equipped with the gasification mouth, compressed air pipe with ash bucket gasification equipment is connected, compressed air flowmeter establishes on the compressed air pipe.

The distance between the high material level of the ash bucket and the blanking opening is 2200mm, and the distance between the high material level of the ash bucket and the blanking opening is 4800mm.

The ash bucket comprises an ash bucket body, wherein a mounting ring is fixedly arranged on the outer surface of the ash bucket body, four sleeves are fixedly arranged on the lower surface of the mounting ring in a circumferential array, fixing columns are slidably connected to the inner walls of the sleeves, springs are fixedly arranged on the tops of the fixing columns, the tops of the springs are connected with the inner top wall of the sleeves, and the bottoms of the fixing columns are fixedly connected with the base.

And limiting mark rings are fixedly arranged on the inner sides of the four fixing columns.

Advantageous effects

The utility model provides a material level detection device of an electric dust removal ash bucket, which has the following technical effects:

1. the utility model sets up a set of electric dust-removing ash bucket material level detection device at the high material level and high material level of the electric dust-removing ash bucket respectively, when the ash bucket material level is lower than the high material level or the high material level, the flow of the compressed air flowmeter is normal; when the ash bucket material level reaches the position of the opening of the detection device and above, the electric dust-removing ash bucket material level detection device correspondingly sends out high material level or high material level alarm when the compressed air flowmeter sends out low flow alarm.

2. The utility model can accurately detect and find the ash deposition problem of the ash bucket through the flow change of the compressed air pipe, can prompt related personnel to process in time, prevents the unit from limiting load and causing electric quantity loss, and has high accuracy and reliability.

3. The utility model can realize double monitoring of the material level of the ash bucket, effectively solves the problem of unreliable monitoring existing in the prior art that the electronic element is adopted to detect the material level in the ash bucket, and has strong practicability.

Drawings

FIG. 1 is a schematic view of a partial cross-sectional structure of an ash bucket according to the utility model;

fig. 2 is a schematic diagram of the front cross-section structure of the present utility model.

The reference numerals are: 1. a base; 2. an ash bucket; 3. ash bucket gasification device; 4. a compressed air tube; 5. a compressed air flowmeter; 6. a mounting ring; 7. a sleeve; 8. fixing the column; 9. a spring; 10. limit marking ring, 11 and gasification port

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

As shown in fig. 1, this embodiment provides an electric dust-removing ash bucket material level detection device, including base 1 and the ash bucket 2 of setting at base 1 upper surface, the bottom of ash bucket 2 is equipped with the feed opening, the high material level department of ash bucket 2 and high material level punishment do not are equipped with electric dust-removing ash bucket material level detection device, electric dust-removing ash bucket material level detection device includes ash bucket gasification device 3, compressed air tube 4 and compressed air flowmeter 5, ash bucket gasification device 3 is fixed on the outer wall of ash bucket 2, ash bucket 2 corresponds ash bucket gasification device 3 department and is equipped with gasification mouth 11, compressed air tube 4 is connected with ash bucket gasification device 3, compressed air flowmeter 5 is established on compressed air tube 4. When the material level in the ash bucket 2 is lower than the high material level or the high material level, the flow of the compressed air flowmeter 5 is normal; when the material level of the ash bucket 2 reaches the position of the detection device, as the gasification port 11 is covered by the dust in the ash bucket 2, the flow of the air flowmeter is reduced, and when the compressed air flowmeter 5 gives a low flow alarm, a high material level or a high material level alarm is given. The ash bucket gasification device 3, also called a gasification plate device, in the embodiment is a commercial product and is purchased from Zhengzhou mega peak mechanical equipment Co.

Wherein, the distance between the high material level position of the ash bucket 2 and the blanking opening is 2200mm, and the distance between the high material level position of the ash bucket 2 and the blanking opening is 4800mm. The signal of the compressed air flowmeter 5 is sent to a unit DCS system, a level gauge of the ash bucket 2 is debugged in the running process of the unit, and when the level of the ash bucket 2 rises until the bottom compressed air flowmeter 5 is reduced to a fixed value, the alarm is set to be high; when the level of the ash bucket 2 rises to the upper compressed air flowmeter 5 and decreases to a fixed value, the alarm is set to be high.

Example 2

As shown in fig. 1 and 2, the embodiment provides an electric dust-removing ash bucket material level detection device, which comprises a base 1 and an ash bucket 2 arranged on the upper surface of the base 1, wherein a discharging opening is arranged at the bottom of the ash bucket 2, the electric dust-removing ash bucket material level detection device is arranged at the high material level position and the high material level position of the ash bucket 2 respectively, the electric dust-removing ash bucket material level detection device comprises an ash bucket gasification device 3, a compressed air pipe 4 and a compressed air flowmeter 5, the ash bucket gasification device 3 is fixed on the outer wall of the ash bucket 2, the compressed air pipe 4 is connected with the ash bucket gasification device 3, and the compressed air flowmeter 5 is arranged on the compressed air pipe 4.

Wherein, ash bucket 2's surface has set firmly collar 6, and collar 6's lower surface is circumference array and has set firmly four sleeve pipes 7, and sleeve pipe 7's inner wall sliding connection has fixed column 8, and fixed column 8's top has set firmly spring 9, and spring 9's top and sleeve pipe 7's interior roof fixed connection, fixed column 8's bottom and base 1 fixed connection. Limit marker rings 10 are fixedly arranged on the inner surfaces of the four fixing columns 8.

Compared with the prior art, in the practical use process, the embodiment can monitor the material level through the signal of the compressed air flowmeter 5 on one hand, and double monitoring is realized, so that the material level monitoring is reliable and effective. On the other hand, when the dust volume in the ash bucket 2 is more and more, the weight of the ash bucket 2 can be heavier and heavier, at this moment, under the effect of sleeve pipe 7, fixed column 8 and spring 9, ash bucket 2 gradually moves downwards, sleeve pipe 7 can slide downwards on the surface of fixed column 8, when the bottom of sleeve pipe 7 will be with spacing marking ring 10 contact, the material level in the ash bucket 2 will reach the highest department at this moment, promptly personnel can judge whether the dust in the ash bucket 2 reaches the highest material level through observing the interval between the bottom of sleeve pipe 7 and spacing marking ring 10, and then the device can realize the dual monitoring of material level, the effectual needs that exist among the prior art detect the material level in the ash bucket 2 with the help of electronic component, and then the unreliable defect of monitoring that leads to, the practicality is stronger.

The last points to be described are: first, in the description of the present application, it should be noted that, unless otherwise specified and defined, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be mechanical or electrical, or may be a direct connection between two elements, and "upper," "lower," "left," "right," etc. are merely used to indicate relative positional relationships, which may be changed when the absolute position of the object being described is changed;

secondly: in the drawings of the disclosed embodiments, only the structures related to the embodiments of the present disclosure are referred to, and other structures can refer to the common design, so that the same embodiment and different embodiments of the present disclosure can be combined with each other under the condition of no conflict;

finally: the foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the utility model are intended to be included within the scope of the utility model.

Claims (4)

1. The utility model provides an electric precipitation ash bucket material level detection device, includes the base and sets up the ash bucket at the base upper surface, the bottom of ash bucket is equipped with feed opening, its characterized in that: the high material level department and the high material level department of ash bucket are equipped with electric precipitation ash bucket material level detection device respectively, electric precipitation ash bucket material level detection device includes ash bucket gasification equipment, compressed air pipe and compressed air flowmeter, ash bucket gasification equipment is fixed on the outer wall of ash bucket, ash bucket corresponds ash bucket gasification equipment department and is equipped with the gasification mouth, compressed air pipe with ash bucket gasification equipment is connected, compressed air flowmeter establishes on the compressed air pipe.

2. The electric dust hopper level detection device according to claim 1, wherein: the distance between the high material level of the ash bucket and the blanking opening is 2200mm, and the distance between the high material level of the ash bucket and the blanking opening is 4800mm.

3. The electric dust hopper level detection device according to claim 1, wherein: the outer surface of ash bucket has set firmly the collar, the lower surface of collar is circumference array and has set firmly four sleeve pipes, sheathed tube inner wall sliding connection has the fixed column, the spring has set firmly on the top of fixed column, the top of spring is connected with sheathed tube inner roof, the bottom of fixed column with base fixed connection.

4. A device for detecting the level of an electric dust hopper according to claim 3, characterized in that: and limit marker rings are fixedly arranged on the inner sides of the four fixed columns.