CN210434980U

CN210434980U - Dustproof dust extraction of power plant relay protection equipment

Info

Publication number: CN210434980U
Application number: CN201921402890.3U
Authority: CN
Inventors: 杨腾; 黄丽娜; 安宝宏
Original assignee: Datang Yuncheng Power Generation Co Ltd
Current assignee: Datang Yuncheng Power Generation Co Ltd
Priority date: 2019-08-27
Filing date: 2019-08-27
Publication date: 2020-05-01
Anticipated expiration: 2029-08-27

Abstract

The utility model discloses a dustproof dust collection device for relay protection equipment in a power plant, which comprises a relay protection box body, an electric telescopic rod and a purification box, wherein a through groove is formed in the bottom of the inner wall of the relay protection box body; the utility model discloses a suction fan can be with the most dust suction of relay protection box internal, two HEPA filter screens block the dust particle that most diameter is more than 0.3 micron, it is internal to prevent that the dust from entering into relay protection box through the hole after by the suction fan suction once more, electric telescopic handle can shorten when the suction fan starts and mention first HEPA filter screen, accelerate the dust collection efficiency of suction fan, the suction that the suction fan produced can inhale relay protection box internal with the outside air once more, air circulation carries out, be convenient for the inside heat dissipation that dispels of device, adopt the suction fan to play dust absorption effect wholly, two HEPA filter screens filter the dust and play dustproof effect, can avoid damaging relay protection equipment internals after the dust gathering, the practicality of device has been improved.

Description

Dustproof dust extraction of power plant relay protection equipment

Technical Field

The utility model relates to a technical field in power plant specifically is a dustproof dust extraction of power plant relay protection equipment.

Background

A power plant is a plant that converts various primary energy sources stored in nature into electric energy (secondary energy). The power generated by the power plant can be transmitted through the line, and the line may be short-circuited and ignited due to various factors, so that the relay protection equipment can be used for protecting the line. The relay protection is an important measure for detecting faults or abnormal conditions occurring in the power system so as to send out alarm signals or directly isolate and remove fault parts. The relay protection device must have a function of correctly distinguishing whether the protected element is in a normal operation state or has a fault, and whether it is an in-zone fault or an out-of-zone fault. To achieve this function, the protection device needs to be configured based on the characteristics of changes in electrical physical quantities before and after a failure of the power system. Relay protection equipment is often installed in a relay protection box in a power plant for unified protection, but the existing relay protection box has some defects in the use process.

1. The existing relay protection box is in heat dissipation consideration, and an integrally closed structure is not adopted, so that dust is easily gathered in the relay protection box, and the dust can enter the relay protection equipment after being gathered to generate static electricity to damage internal parts of the relay protection equipment, so that the requirement of the prior art cannot be met.

2. The air quality is generally poor due to environmental reasons in the existing power plant, and the probability that workers suffer from respiratory diseases in the area after working and living for a long time is high, so that a device capable of purifying the air in the power plant is lacked.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a power plant relay protection equipment dust extraction that prevents dust to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a dustproof dust collection device of relay protection equipment in a power plant comprises a relay protection box body, an electric telescopic rod and a purification box, wherein a through groove is formed in the bottom of the inner wall of the relay protection box body, the electric telescopic rod is fixedly installed at the top of the inner wall of the groove through bolts, a first HEPA filter screen is bonded at the bottom of the sliding end of the electric telescopic rod, the outer wall of the first HEPA filter screen is in contact with the bottom of the inner wall of the groove, a rain shielding frame is welded on one side of the outer wall of the relay protection box body, the exposed end of the groove is sleeved inside the rain shielding frame, a suction fan is installed at the bottom of the inner wall of the rain shielding frame through bolts, a through hole is formed in one side, away from the groove, of the relay protection box body, the purification box is movably sleeved in the through hole, the two sides of, the inner wall of the other end of the purification box is bonded with an odor filter screen, and the middle part of the inner wall of the purification box is sequentially bonded with a second HEPA filter screen and an active carbon filter screen.

Preferably, the second HEPA filter screen is located between the preposed filter screen and the activated carbon filter screen.

Preferably, the activated carbon filter screen is located between the second HEPA filter screen and the odor filter screen.

Preferably, one side of the relay protection box body is rotatably connected with a box door through a hinge.

Preferably, a fan is fixedly installed at one end of the outer wall of the fixed rod welded to the top of the box door through a bolt, and the fan is located above the rain shielding frame.

Preferably, the fan and the suction fan are both electrically connected with an external power supply.

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

1. the utility model discloses a suction fan can be with the most dust suction of relay protection box internal, two HEPA filter screens block the dust particle that most diameter is more than 0.3 micron, it is internal to prevent that the dust from entering into relay protection box through the hole after by the suction fan suction once more, electric telescopic handle can shorten when the suction fan starts and mention first HEPA filter screen, accelerate the dust collection efficiency of suction fan, the suction that the suction fan produced can inhale relay protection box internal with the outside air once more, air circulation carries out, be convenient for the inside heat dissipation that dispels of device, adopt the suction fan to play dust absorption effect wholly, two HEPA filter screens filter the dust and play dustproof effect, can avoid damaging relay protection equipment internals after the dust gathering, the practicality of device has been improved.

2. The utility model discloses a leading filter screen can block the great foreign matter of volume, two HEPA filter screens block the dust particle that most diameters are more than 0.3 micron, be smog, the most effectual filter media of pollutants such as dust and bacterium, the activated carbon filter screen has active carbon efficient adsorption performance, can be used to air purification, get rid of volatile organic compound formaldehyde, toluene, hydrogen sulfide, the pollutant in chlorobenzene and the air, the peculiar smell in the air can be got rid of to the smell filter screen, wholly adopt multilayer filter screen structure, play air purifier's effect when the suction fan moves, purify the inside air of power plant, workman's operational environment has been improved, thereby reduce the probability that the workman suffered from respiratory disease, the health of device has been improved.

Drawings

FIG. 1 is a front view of the overall structure of the present invention;

FIG. 2 is a front sectional view of the relay protection box of the present invention;

FIG. 3 is an enlarged view of the structure A in FIG. 2 according to the present invention;

fig. 4 is a side view of the door of the present invention.

In the figure: 101-relay protection box; 102-a door; 103-a fan; 104-a groove; 105-a via; 201-electric telescopic rod; 202-a first HEPA filter screen; 203-rain sheltering frame; 204-a suction fan; 301-a purification cartridge; 302-pre-strainer; 303-a second HEPA filter screen; 304-activated carbon filter screen; 305-odor screen.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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 work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a dustproof dust collection device of relay protection equipment in a power plant comprises a relay protection box body 101, an electric telescopic rod 201 and a purification box 301, wherein a through groove 104 is formed in the bottom of the inner wall of the relay protection box body 101, the current situation of the groove 104 is shown in figure 2, the electric telescopic rod 201 is fixedly installed at the top of the inner wall of the groove 104 through bolts, a first HEPA filter screen 202 is bonded at the bottom of the sliding end of the electric telescopic rod 201, the outer wall of the first HEPA filter screen 202 is contacted with the bottom of the inner wall of the groove 104, the through end of the groove 104 is blocked by the first HEPA filter screen 202, a rain shielding frame 203 is welded on one side of the outer wall of the relay protection box body 101, the exposed end of the groove 104 is sleeved inside the rain shielding frame 203, the rain shielding frame 203 is communicated with a rain groove 104, a suction fan 204 is installed at the bottom of the inner wall of the rain shielding frame 203 through, the through-hole 105 inner movable sleeve has purification box 301, and purification box 301 can be taken off from through-hole 105 and be washd, purification box 301 both sides are passed through hasp and relay protection box 101 outer wall lock joint, the one end inner wall that purification box 301 kept away from electric telescopic handle 201 bonds and has leading filter screen 302, and leading filter screen 302 can block the great foreign matter of volume, purification box 301 other end inner wall bonds and has smell filter screen 305, and the peculiar smell in the air can be got rid of to smell filter screen 305, purification box 301 inner wall middle part bonds in proper order has second HEPA filter screen 303 and active carbon filter screen 304, and two HEPA filter screens can reach more than 99.97% to the particle removal efficiency that the diameter is more than 0.3 micron (1/200 of hair diameter), are the most effective filtration media of pollutants such as smog, dust and bacterium, and for prior art, active carbon filter screen 304 has active carbon efficient adsorption performance, the air purifier can be used for air purification, can remove volatile organic compounds such as formaldehyde, toluene, hydrogen sulfide, chlorobenzene and pollutants in the air, has small air resistance and low energy consumption, can deodorize and remove peculiar smell under a certain air quantity, purifies the environment, and has good purification effect.

Second HEPA filter screen 303 is located between leading filter screen 302 and the active carbon filter screen 304, the active carbon filter screen 304 is located between second HEPA filter screen 303 and the smell filter screen 305, relay protection box 101 one side is connected with chamber door 102 through the hinge rotation, there is fan 103 dead lever outer wall one end of chamber door 102 top welded through bolt fixed mounting, and fan 103 can blow down the dust at relay protection box 101 top, is inhaled by suction fan 204, and fan 103 can carry out wind-force heat dissipation for equipment in the relay protection box 101, fan 103 is located rain-proof frame 203 top, and rain-proof frame 203 can keep off the rain, prevents rainwater direct contact suction fan 204 and first HEPA filter screen 202, fan 103 and suction fan 204 all with external power source electric connection.

The working principle is as follows: the utility model discloses a dustproof dust extraction of power plant relay protection equipment, suction fan 204 will be through recess 104 department with the most dust suction in the relay protection box 101 after opening, first HEPA filter screen 202 and second HEPA filter screen 303 block most dust particle that diameter is more than 0.3 micron, prevent that the dust from entering relay protection box 101 again through the hole after being sucked by suction fan 204, electric telescopic handle 201 can shorten when suction fan 204 starts and lift first HEPA filter screen 202, accelerate the dust absorption efficiency of suction fan 204, the suction that suction fan 204 produced can suck outside air into relay protection box 101 again, carry out air circulation, be convenient for the inside heat dissipation of device, adopt suction fan 204 to play the dust absorption effect on the whole, two HEPA filter screens filter dust play the dustproof effect, can avoid damaging relay protection equipment internal parts after the dust gathers, the fan 103 can blow dust at the top of the relay protection box 101 down and is sucked by the suction fan 204, the fan 103 can perform wind power heat dissipation for equipment in the relay protection box 101, the front filter 302 can block foreign matters with larger volume, the two HEPA filter screens can block most dust particles with diameters of more than 0.3 micrometer, the dust particles are the most effective filtering media for pollutants such as smoke, dust and bacteria, the activated carbon filter screen 304 has efficient adsorption performance of activated carbon and can be used for air purification to remove volatile organic compounds formaldehyde, toluene, hydrogen sulfide, chlorobenzene and pollutants in the air, the odor filter screen 305 can remove peculiar smell in the air, the whole body adopts a multi-layer filter screen structure, the fan 204 plays a role of an air purifier when in operation, purifies the air in a power plant, improves the working environment of workers, and further reduces the probability of respiratory diseases of the workers, the health of the device is improved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can 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 power plant relay protection equipment dust extraction that prevents dust, includes relay protection box (101), electric telescopic handle (201) and purifies box (301), its characterized in that: the bottom of the inner wall of the relay protection box body (101) is provided with a through groove (104), the top of the inner wall of the groove (104) is fixedly provided with an electric telescopic rod (201) through a bolt, the bottom of the sliding end of the electric telescopic rod (201) is bonded with a first HEPA filter screen (202), the outer wall of the first HEPA filter screen (202) is contacted with the bottom of the inner wall of the groove (104), one side of the outer wall of the relay protection box body (101) is welded with a rain shielding frame (203), the exposed end of the groove (104) is sleeved inside the rain shielding frame (203), the bottom of the inner wall of the rain shielding frame (203) is provided with a suction fan (204) through a bolt, one side of the relay protection box body (101) far away from the groove (104) is provided with a through hole (105), the inner movable sleeve of the through hole (105) is provided with a purification box (301), the one end inner wall that electric telescopic handle (201) were kept away from in purification box (301) bonds and has leading filter screen (302), purification box (301) other end inner wall bonds and has smell filter screen (305), it has second HEPA filter screen (303) and active carbon filter screen (304) to bond in proper order in purification box (301) inner wall middle part.

2. The dustproof dust collection device for the relay protection equipment in the power plant as claimed in claim 1, wherein: the second HEPA filter screen (303) is positioned between the front filter screen (302) and the active carbon filter screen (304).

3. The dustproof dust collection device for the relay protection equipment in the power plant as claimed in claim 2, wherein: the active carbon filter screen (304) is positioned between the second HEPA filter screen (303) and the odor filter screen (305).

4. The dustproof dust collection device for the relay protection equipment in the power plant as claimed in claim 1, wherein: one side of the relay protection box body (101) is rotatably connected with a box door (102) through a hinge.

5. The dustproof dust collection device for the relay protection equipment in the power plant as claimed in claim 4, wherein: the fan (103) is fixedly installed at one end of the outer wall of the fixed rod welded to the top of the box door (102) through bolts, and the fan (103) is located above the rain shielding frame (203).

6. The dustproof dust collection device for the relay protection equipment in the power plant as claimed in claim 5, wherein: the fan (103) and the suction fan (204) are both electrically connected with an external power supply.