CN203678813U - Safety protection devices of high vacuum and negative pressure cleaning device - Google Patents
Safety protection devices of high vacuum and negative pressure cleaning device Download PDFInfo
- Publication number
- CN203678813U CN203678813U CN201420023619.XU CN201420023619U CN203678813U CN 203678813 U CN203678813 U CN 203678813U CN 201420023619 U CN201420023619 U CN 201420023619U CN 203678813 U CN203678813 U CN 203678813U
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- Prior art keywords
- dust
- removal
- dust remover
- high vacuum
- spring
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- Expired - Fee Related
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Abstract
The utility model discloses safety protection devices of a high vacuum and negative pressure cleaning device. The high vacuum and negative pressure cleaning device comprises a Roots vacuum pump, a third-level dust remover, a second-level dust remover, a first-level dust remover and an electromagnetic pulse blowback device, wherein the electromagnetic pulse blowback device is arranged on the top of the third-level dust remover; a pipeline arranged on one side of the third-level dust remover is connected with the Roots vacuum pump; the safety protection devices are fixedly connected to the middle of the third-level dust remover, the middle of the second-level dust remover and the middle of the first-level dust remover respectively. Each safety protection device is composed of a valve cover, a spring and a valve, wherein the valve cover is arranged on the top of the valve of the protection device, the spring is arranged on one side of the valve, and an adjusting rod on the valve cover is matched with a hook arranged on the spring.
Description
Technical field
The utility model relates to antistatic and dodges quick-fried device, the protective device of installation by inner device systems because releasing to equipment containing the high malleation of coal dust generation, thereby protected equipment and operating personnel's safety.
Background technology
According to the requirement of the big-and-middle-sized thermal power generation design specification of GB BG50660-2011 21.2.20 regulations, thermal power plant is in design process, must be equipped with vacuum stripping system, to clean indoor a large amount of dust such as boiler room and coal handling system, keep the clean environment of workplace.High-vacuum cleaning device, be to utilize Roots high vacuum pump, produce high vacuum, connect factory building and each corner of boiler top by pipeline, by cleaning head by dust intake line, by high-efficiency dust remover and air cleaner, dust is reclaimed again, enter combustion system and burn again or enter ash disposal system, can not produce secondary pollution to workshop, in boiler maintenance process, can clean boiler internal dust stratification, reduce the dust harzard to staff.
The utility model finds that coal dust and dust and transmission pipeline network and dedusting unit rub, and can produce static in the time using high vacuum dust exhaust apparatus, reaches under the condition of certain concentration at coal dust content, and the sudden strain of a muscle that can cause coal dust dust is quick-fried.The utility model utilizes gravity principle; design safety protective device; dodge when quick-fried occurring at high vacuum dust exhaust apparatus; the malleation of the quick-fried generation of sudden strain of a muscle of device interior is discharged into the equipment outside away from operating personnel by safety guard; thereby protect equipment and operating personnel's safety, there are important production practices and be worth.
Summary of the invention
The purpose of this utility model is: design safety protective device, and in the time that high vacuum dust exhaust apparatus generation sudden strain of a muscle is quick-fried, utilize the malleation of the quick-fried generation of sudden strain of a muscle of device interior to implement to dodge quick-fried discharge, reach the object of protection equipment and operator safety.
The purpose of this utility model is achieved in that the safety guard of high vacuum negative pressure cleaning, comprise Roots vaccum pump 1,3-stage dust-removal 2, two-stage dust removal 3, primary dust removing 4, electromagnetic pulse blowback 5, wherein on the upper top of 3-stage dust-removal 2, electromagnetic pulse blowback 5 is set, the pipeline that is arranged on 3-stage dust-removal 2 connects Roots vaccum pump; At the middle part of 3-stage dust-removal 2, two-stage dust removal 3, primary dust removing 4 affixed protection device for installing 6 respectively, protection device for installing 6 is made up of valve gap 7, spring 8, valve body 9; Upper top at the valve body 9 of protective device 6 arranges valve gap 7, in a side of valve body 9, spring 8 is set, and is arranged on the adjusting rod of valve gap 7, matches with the hook being arranged on spring 8.
Know-why of the present utility model and effect: safety guard is to utilize gravity principle; in the time that high vacuum dust exhaust apparatus normally uses; due to the valve gap of safety guard under the effect of gravity and the high negative pressure of device systems in closed condition, guaranteed the tightness of device systems.If cause dodging when quick-fried containing coal dust because of static; because the sudden strain of a muscle containing coal dust is quick-fried; the subnormal ambient of device systems inside can change positive pressure environment into; will have an effect away from the safety guard of operating personnel operating position and be now arranged on dedusting unit; the valve gap of safety guard will be opened because of the effect of malleation; the malleation of the quick-fried generation of sudden strain of a muscle of device interior is discharged into equipment outside by safety guard; thereby the safety of having protected equipment and operating personnel, shows technological progress.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is further illustrated.
The structural representation that accompanying drawing 1 is modifying device;
As shown in the figure: 1-Roots vaccum pump, 2-3-stage dust-removal, 3-two-stage dust removal, 4-primary dust removing, the blowback of 5-electromagnetic pulse, 6-protective device, 7-valve gap, 8-spring, 9-valve body.
The portion structure schematic diagram that accompanying drawing 2 is modifying device;
As shown in the figure: 7-valve gap, 8-spring, 9-valve body.
The specific embodiment
Below in conjunction with embodiment, the utility model is described in further detail.
Embodiment
Former high vacuum negative pressure clearing apparatus, comprise Roots vaccum pump 1,3-stage dust-removal 2, two-stage dust removal 3, primary dust removing 4, electromagnetic pulse blowback 5, wherein on the upper top of 3-stage dust-removal 2, electromagnetic pulse blowback 5 is set, a side pipe line that is arranged on 3-stage dust-removal 2 connects Roots vaccum pump; At the affixed protection device for installing 6 in the middle part of 3-stage dust-removal 2, two-stage dust removal 3, primary dust removing 4, wherein the safety guard 6 of high vacuum negative pressure cleaning is made up of valve gap 7, spring 8, valve body 9; Upper top at the valve body 9 of safety guard 6 arranges valve gap 7, in a side of valve body 9, safety spring 8 is set, and is arranged on the adjusting rod of valve gap 7, matches with the hook being arranged on spring 8.
Original equipment performance specification:
1) roots blower is selected the Japanese ANLET H250 of Co., Ltd. B type drawing-in type vavuum pump, pressure-68KPa, and 3828M exerts oneself
3/ H.Power-75Kw, fan noise " 85dB.
2) two-stage dust removal, adopts back taper BLD cyclone dust collectors, and import is inverted trapezoidal air intake vent, inside establishes radiation shield, and this is the key that assurance is raised the efficiency.One-level is single deduster, secondary is combined dust remover, to being greater than 10 μ m floating dust and floating dusts, single-stage efficiency by inputoutput test is greater than 95.8%, two-stage combined dust-eliminating efficiency 99.8%, the third level adopts the air cleaner of high density filter core, and emission conforms to national environmental standard, discharges dust content and is less than 30mg/NM
3, total efficiency of dust collection can reach 99.9%
3) ash bucket is divided into Self-closing lock device, puts ash after shutdown, enters power plant's ash-transmission system or coal handling system.
4) duct size Φ 50 Χ 3, suction nozzle width 450mm, hose length is less than 20 meters.
5) dust suction distance is 200 meters farthest, 150 meters of maximum dust suction height.
The improved high-vacuum cleaning device of the utility model, can meet all technical requirements of working site completely, when use, can be at upper and lower 150 meters, within the scope of 200 meters of left and right, be with 5-7 vacuum cleaning point, structure is except dust sucting pipeline, set up three-level dust removal system: the first order adopts a back taper diffusion type cyclone dust collector with radiation shield, the second level adopts the inverted cone-shaped diffusion type cyclone dust collector assembly of six mini zone radiation shields, the third level adopts the air cleaner of high density filter core, and there is a Pulse anti-blow device, ensure that vavuum pump (roots blower) is not worn and emission gases conforms to national environmental standard.
The utility model is to prevent that the tiny pulverized coal particle containing in dust from causing sudden strain of a muscle quick-fried because of fricative static in conveying and dust removal process; the safety guard of design; inner device systems high malleation of dodging quick-fried generation because containing coal dust static is released to equipment; thereby protect equipment and personnel's safety; and for high-vacuum cleaning device increases earthing or grounding means, ensure electrostatic leakage.
Claims (1)
1. the safety guard of high vacuum negative pressure cleaning, comprise Roots vaccum pump (1), 3-stage dust-removal (2), two-stage dust removal (3), primary dust removing (4), electromagnetic pulse blowback (5), wherein on the upper top of 3-stage dust-removal (2), electromagnetic pulse blowback (5) is set, the pipeline that is arranged on 3-stage dust-removal (2) one sides connects Roots vaccum pump (1); It is characterized in that: at the middle part of 3-stage dust-removal (2), two-stage dust removal (3), primary dust removing (4) affixed safety guard (6) respectively, wherein safety guard (6) is made up of valve gap (7), spring (8), valve body (9); On the upper top of protective device (6) valve body (9), valve gap (7) is set; in a side of valve body (9), spring (8) is set, the adjusting rod being arranged on valve gap (7) matches with the hook being arranged on spring (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420023619.XU CN203678813U (en) | 2014-01-14 | 2014-01-14 | Safety protection devices of high vacuum and negative pressure cleaning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420023619.XU CN203678813U (en) | 2014-01-14 | 2014-01-14 | Safety protection devices of high vacuum and negative pressure cleaning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203678813U true CN203678813U (en) | 2014-07-02 |
Family
ID=51000773
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420023619.XU Expired - Fee Related CN203678813U (en) | 2014-01-14 | 2014-01-14 | Safety protection devices of high vacuum and negative pressure cleaning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203678813U (en) |
-
2014
- 2014-01-14 CN CN201420023619.XU patent/CN203678813U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140702 Termination date: 20200114 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |