CN209849463U

CN209849463U - Cyclone purging ash collecting device and cyclone purging system for nuclear power station

Info

Publication number: CN209849463U
Application number: CN201822139043.4U
Authority: CN
Inventors: 王文奎; 姜祥; 彭耀军; 宋旸; 徐建栋
Original assignee: China General Nuclear Power Corp; CGN Power Co Ltd; Daya Bay Nuclear Power Operations and Management Co Ltd; Lingdong Nuclear Power Co Ltd; Guangdong Nuclear Power Joint Venture Co Ltd
Current assignee: China General Nuclear Power Corp; CGN Power Co Ltd; Daya Bay Nuclear Power Operations and Management Co Ltd; Lingdong Nuclear Power Co Ltd; Guangdong Nuclear Power Joint Venture Co Ltd
Priority date: 2018-12-19
Filing date: 2018-12-19
Publication date: 2019-12-27
Anticipated expiration: 2028-12-19

Abstract

The utility model relates to a technical field is administered in the corruption of nuclear power station pipeline, discloses a whirlwind sweeps and receives grey device and whirlwind system of sweeping for nuclear power station. The cyclone blowing ash collecting device comprises an ash collecting box and an intercepting dam, wherein the ash collecting box comprises a box body and a flow guide mechanism arranged in the box body, one end of the box body is provided with an ash collecting inlet, one end of the box body, opposite to the ash collecting inlet, is provided with an ash collecting outlet, and an ash collecting door is arranged at the ash collecting outlet so as to open or close the ash collecting outlet; the flow guide mechanism comprises a baffle plate connected with the top of the box body and a flow guide plate connected with the baffle plate, so that airflow entering the box body flows towards the bottom of the box body along the baffle plate and then flows towards the ash collection outlet of the box body along the flow guide plate; the interception dam is arranged at the corresponding ash collection outlet outside the ash collection box, and the interception dam is communicated with the ash collection outlet after the ash collection door is opened. Cyclone sweeps and receives grey device, reducible raise dust carries out solid-liquid separation automatically, improves the treatment effeciency, reduces the human cost.

Description

Cyclone purging ash collecting device and cyclone purging system for nuclear power station

Technical Field

The utility model relates to a technical field is administered in the corruption of nuclear power station pipeline, concretely relates to whirlwind sweeps and receives grey device and whirlwind system of sweeping for nuclear power station.

Background

The technology for removing corrosion and dirt of pipeline by cyclone method is characterized by that it adopts the aerodynamic principle to artificially make "tornado" in the pipeline, and carry quartz sand to remove scale on the inner wall of pipeline, and then uses cyclone to push coating material, and under the action of rotary centrifugal force the coating material can be uniformly adhered on the inner wall of pipeline so as to implement corrosion prevention.

When the inner wall of the pipeline is cleaned, the corrosion products of the inner wall of the pipeline are generally treated by water and quartz sand, the cyclone method is used for sweeping the products and collecting the products through an ash collecting box of the system, the collected products are solid-liquid mixtures, and the traditional treatment mode is to manually clean the solid-liquid mixed products. Traditional receipts ash bin can produce the raise dust when handling, if receive the ash mouth and open, the raise dust can be followed and received the direct outflow of ash mouth, produces adverse effect to the environment. Moreover, the manual processing of the product consumes a lot of manpower, and the processing efficiency is low.

SUMMERY OF THE UTILITY MODEL

Based on this, the utility model discloses it is necessary to provide a reducible raise dust, carries out solid-liquid separation automatically, improves the treatment effeciency, reduces human cost's whirlwind and sweeps and receive grey device.

The utility model also provides a whirlwind purging system.

In order to realize the utility model discloses a purpose, the utility model discloses a following technical scheme:

a cyclone purging ash collecting device comprises an ash collecting box and an intercepting dam, wherein the ash collecting box comprises a box body and a flow guide mechanism arranged in the box body, an ash collecting inlet is formed in one end of the box body, an ash collecting outlet is formed in one end, opposite to the ash collecting inlet, of the box body, and an ash collecting door is arranged at the ash collecting outlet to open or close the ash collecting outlet; the flow guide mechanism comprises a baffle plate connected with the top of the box body and a flow guide plate connected with the baffle plate, so that the airflow entering the box body flows towards the bottom of the box body along the baffle plate and then flows towards the ash collecting outlet of the box body along the flow guide plate; the intercepting dam is installed outside the ash collecting box and corresponds to the ash collecting outlet, and the intercepting dam is communicated with the ash collecting outlet after the ash collecting door is opened.

According to the cyclone blowing dust collection device, the flow guide mechanism is arranged in the dust collection box, so that air flow in the box body can be guided, and the dust collection box can be blown and swept along a preset path, and therefore dust raising of the dust collection box is reduced, and environmental pollution is reduced; the intercepting dam is arranged outside the box body, solid-liquid separation can be carried out on the sweeping products collected in the box body, liquid flows out through the intercepting dam, and solid is reserved in the intercepting dam, so that the sweeping products are semi-automatically processed, the processing efficiency is improved, and the labor cost for manual separation is reduced.

In some embodiments, the baffle is connected to the top of the tank at an angle of 60-120 degrees.

In some embodiments, the baffle is vertically connected to the top of the tank.

In some embodiments, the baffle is connected to the baffle at an angle of 60-120 degrees and extends toward the ash collection outlet.

In some of these embodiments, the baffle is vertically connected to the baffle.

In some embodiments, the interception dam comprises a first interception plate abutting against the box body, a second interception plate abutting against the box body, and a third interception plate connecting one ends of the first interception plate and the second interception plate far away from the box body.

In some of these embodiments, the dam is made of a corrosion resistant material.

In some embodiments, one side of the dust collecting door is hinged with the box body, and the edge of the side part of the dust collecting door is provided with a pressing buckle connected with the box body.

In some embodiments, a shutter mechanism is arranged on the top of the box body corresponding to one side of the baffle plate close to the ash collecting outlet, and the shutter mechanism is arranged obliquely relative to the top of the box body corresponding to one side of the baffle plate close to the ash collecting inlet.

The utility model also provides a whirlwind system of sweeping, it includes whirlwind sweep receive grey device.

Drawings

Fig. 1 is a schematic structural view of a cyclone dust sweeping and collecting device according to a preferred embodiment of the present invention;

FIG. 2 is a schematic structural diagram of another view angle of the cyclone dust-sweeping and dust-collecting device shown in FIG. 1;

FIG. 3 is a schematic side view of an ash collection box of the cyclone dust-sweeping ash collection device shown in FIG. 1;

FIG. 4 is a top view of the dust collection box of FIG. 3;

fig. 5 is a sectional view taken along line a-a of fig. 4.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully below. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

Example one

Referring to fig. 1 and 2, the present invention provides a cyclone purging ash collecting device 100 for a nuclear power station, which includes an ash collecting box 10 and an intercepting dam 20, wherein the ash collecting box 10 is used for collecting a solid-liquid mixed product after a cyclone purging pipeline, and the intercepting dam 20 is used for separating a product in the ash collecting box 10.

Referring to fig. 1 and 2, the dust collecting box 10 includes a box body 11 and a flow guiding mechanism 12 installed in the box body 11.

Referring to fig. 1, 2 and 3, an ash collection inlet 13 is disposed at one end of the box 11, an ash collection outlet 14 is disposed at an end of the box 11 opposite to the ash collection inlet 13, and the ash collection outlet 14 is used for connecting an airflow hose of a cyclone processing system to guide a processed product into the box 11. An ash collecting door 15 is installed at the ash collecting outlet 14 to open or close the ash collecting outlet 14.

The size of the ash collection outlet 14 is larger than that of the ash collection inlet 13 so that the purge product in the box 11 can flow out in time for treatment.

One side of the dust collecting door 15 is hinged with the box body 11, the edge of the side part of the dust collecting door 15 is provided with a pressing buckle 18 connected with the box body 11, and when the dust collecting door 15 is opened, the opening angle of the dust collecting door 15 can be adjusted through a hinged structure; when the ash collecting door 15 is closed, the pressing buckle 18 is buckled, and the ash collecting outlet 14 can be sealed through the ash collecting door 15. During the process of collecting the products by the ash collecting box 10, the ash collecting door 15 can be closed; when the amount of the treated air is large, the dust collection door 15 can be opened at the same time.

Referring to fig. 2 and 3, a reinforcing rib 19 is further disposed outside the box body 11 to reinforce the box body 11 and enhance the stability of the box body 11. The greying door 15 may be mounted on the reinforcing ribs 19.

Referring to fig. 1 and 5, a louver mechanism 30 is disposed on a top portion of the box 11 corresponding to a side of the baffle 16 close to the ash collecting outlet 14, and the louver mechanism 30 is disposed in an inclined manner with respect to a top portion of the box 11 corresponding to a side of the baffle 16 close to the ash collecting inlet 13, so that the louver mechanism 30 can buffer the air flow in the box 11 for exhausting, and the air flow does not flow out of the box 11 through the louver mechanism 30 in a large amount.

The shutter mechanism 30 connects the baffle 16 and the side wall of the housing 11. Angle steel is provided in the box 11 and the baffle 16, and the louver mechanism 30 is attached to the angle steel.

In this embodiment, the louver mechanism 30 is provided in two spaced layers.

Referring to fig. 1 and 5, the guiding mechanism 12 includes a baffle 16 connected to the top of the box 11 and a guiding plate 17 connected to the baffle 16, so that the airflow entering the box 11 flows along the baffle 16 toward the bottom of the box 11 and then flows along the guiding plate 17 toward the dust collecting outlet 14 of the box 11, so that the airflow inside the box 11 flows along a predetermined path to prevent a large amount of dust caused by irregular movement of the airflow.

The baffle 16 is connected with the top of the box body 11 at an angle of 60-120 degrees, and can play a role of guiding the air flow to move downwards. In this embodiment, the baffle 16 is vertically connected to the top of the case 11.

Wherein the baffle 17 is connected with the baffle 16 at an angle of 60-120 degrees, and the baffle 17 extends towards the ash collecting outlet 14. In this embodiment, the baffle 17 is vertically connected to the baffle 16.

Referring to fig. 1 and 2, the interception dam 20 is installed outside the ash collection box 10 at a position corresponding to the ash collection outlet 14, the ash collection door 15 is opened, the interception dam 20 is communicated with the ash collection outlet 14, the product collected in the ash collection box 10 can flow to the interception dam 20 through the ash collection outlet 14, due to density difference of the product, when the product passes through the interception dam 20, the product can intercept solid products insoluble in liquid, and the liquid and the product soluble in the liquid flow out of the interception dam 20 along with the liquid, so that solid-liquid separation is achieved, and the liquid and the solid are respectively treated. This structure enables the separation effect to be achieved with less cost.

After the liquid products flow out of the interception dam 20, the liquid products directly flow to a sewage drainage ditch through a drainage channel for treatment, and the solid products are manually cleaned.

The interception dam 20 is made of an anti-corrosion material, so that the interception dam 20 is prevented from being corroded by solid-liquid products, and the service life of the interception dam is prolonged.

Example two

The embodiment provides a cyclone purging system, which comprises the cyclone purging ash collecting device 100 in the first embodiment, and can collect and treat the product obtained by the cyclone purging system.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The cyclone purging ash collecting device for the nuclear power station is characterized by comprising an ash collecting box and an intercepting dam, wherein the ash collecting box comprises a box body and a flow guide mechanism arranged in the box body, an ash collecting inlet is formed in one end of the box body, an ash collecting outlet is formed in one end, opposite to the ash collecting inlet, of the box body, and an ash collecting door is arranged at the ash collecting outlet to open or close the ash collecting outlet; the flow guide mechanism comprises a baffle plate connected with the top of the box body and a flow guide plate connected with the baffle plate, so that the airflow entering the box body flows towards the bottom of the box body along the baffle plate and then flows towards the ash collecting outlet of the box body along the flow guide plate; the intercepting dam is installed outside the ash collecting box and corresponds to the ash collecting outlet, and the intercepting dam is communicated with the ash collecting outlet after the ash collecting door is opened.

2. The cyclone purging and ash collecting device for the nuclear power plant as claimed in claim 1, wherein the baffle is connected with the top of the tank at an angle of 60-120 degrees.

3. The cyclone purging and ash collecting device for the nuclear power plant as claimed in claim 2, wherein the baffle is vertically connected to the top of the tank body.

4. The cyclone purging ash collecting device for nuclear power plant as claimed in claim 1, wherein the baffle plate is connected to the baffle plate at an angle of 60-120 degrees and extends toward the ash collecting outlet.

5. The cyclone purging and ash collecting device for the nuclear power plant as claimed in claim 4, wherein the baffle plate is vertically connected to the baffle plate.

6. The cyclone purging and ash collecting device for the nuclear power plant as claimed in claim 1, wherein the intercepting dam comprises a first intercepting plate abutting against the box body, a second intercepting plate abutting against the box body, and a third intercepting plate connecting one ends of the first intercepting plate and the second intercepting plate, which are far away from the box body.

7. The cyclone purging ash collecting device for nuclear power plant as claimed in claim 1 or 6, wherein the intercepting dam is made of an anticorrosive material.

8. The cyclone purging ash collecting device for the nuclear power plant as claimed in claim 1, wherein one side of the ash collecting door is hinged to the box body, and a pressing buckle connected with the box body is arranged on the edge of the side of the ash collecting door.

9. The cyclone purging and ash collecting device for the nuclear power plant as recited in claim 1, wherein a louver mechanism is provided on a top portion of the box corresponding to a side of the baffle plate close to the ash collecting outlet, the louver mechanism being disposed obliquely with respect to a top portion of the box corresponding to a side of the baffle plate close to the ash collecting inlet.

10. A cyclone purging system, comprising the cyclone purging ash collecting device as recited in any one of claims 1 to 9.