CN110743858A - Dustproof jetting valve - Google Patents

Dustproof jetting valve Download PDF

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Publication number
CN110743858A
CN110743858A CN201911041349.9A CN201911041349A CN110743858A CN 110743858 A CN110743858 A CN 110743858A CN 201911041349 A CN201911041349 A CN 201911041349A CN 110743858 A CN110743858 A CN 110743858A
Authority
CN
China
Prior art keywords
blowing
pipe
flow
collecting
valve
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201911041349.9A
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Chinese (zh)
Inventor
葛军
Original Assignee
葛军
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 葛军 filed Critical 葛军
Priority to CN201911041349.9A priority Critical patent/CN110743858A/en
Publication of CN110743858A publication Critical patent/CN110743858A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B5/00Cleaning by methods involving the use of air flow or gas flow
    • B08B5/02Cleaning by the force of jets, e.g. blowing-out cavities
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters, i.e. particle separators or filtering processes specially modified for separating dispersed particles from gases or vapours
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/005Nozzles or other outlets specially adapted for discharging one or more gases
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/12Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means capable of producing different kinds of discharge, e.g. either jet or spray
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/14Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B13/00Accessories or details of general applicability for machines or apparatus for cleaning
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces

Abstract

The invention relates to a dustproof blowing valve, which comprises a blowing pipe, a gas collecting pipe and a blowing control valve, wherein the blowing pipe is connected with the gas collecting pipe; a flow guide area is arranged between the outer wall of the blowing nozzle and the inner wall of the blowing pipe, the end part of the flow guide area is blocked by a collector ring, and an annular filter screen is arranged on the outer wall of the part, located in the flow guide area, of the blowing nozzle; the middle part of the blowing nozzle is connected with a sliding pipe through a plurality of connecting rods A, the middle part of the sliding pipe is connected with a push rod in a sliding way, and a valve block of the blowing control valve is fixed on the push rod; the tail part of the injection pipe is provided with a flow-collecting hood A, the bottom of the flow-collecting hood A is connected with an air inlet pipe, the tail part of the air collecting pipe is provided with a flow-collecting hood B, the air inlet pipe penetrates through the flow-collecting hood B, and the bottom of the flow-collecting hood B is connected with an exhaust pipe; the invention improves the traditional blowing mechanism, changes a single cylinder into a concentric multi-cylinder, realizes a multi-layer structure of air suction at the edge of the central air jet, can suck air by the air collecting pipe at the edge of the blowing mechanism in a shorter distance after air flow sprayed out of a cleaner rebounds, and has higher efficiency.

Description

Dustproof jetting valve
Technical Field
The invention relates to a dustproof blowing valve, and belongs to the field of industrial dust removal equipment.
Background
Traditional jetting dust removal door is used all is single section of thick bamboo air-out, and the structure that induced drafts bottom the top at first, this structure can't realize the secondary filter to the air-out, and secondly, the structure flow that induced drafts in top, bottom is longer, hardly guarantees to be relatively poor to the clean effect of the complete suction of dust.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the technical problem in the prior art is solved, and a dustproof blowing valve is provided.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a dustproof blowing valve comprises a blowing pipe, a gas collecting pipe and a blowing control valve;
the blowing pipe is positioned in the center of the structure and used for jetting high-speed airflow, the front end of the blowing pipe is connected with a blowing nozzle through a collecting ring, the half part of the blowing nozzle is positioned in a blowing section surrounded by the blowing pipe, and the end part of the blowing nozzle is of a throat structure;
the gas collecting pipe is sleeved outside the injection pipe and encloses an air suction interval with the inner wall of the injection pipe, and the end part of the gas collecting pipe is of a flaring structure;
the blowing control valve is used for opening or blocking an opening at the tail part of the blowing nozzle;
a flow guide area is arranged between the outer wall of the blowing nozzle and the inner wall of the blowing pipe, the end part of the flow guide area is blocked by a collector ring, and an annular filter screen is arranged on the outer wall of the part, located in the flow guide area, of the blowing nozzle;
the middle part of the blowing nozzle is connected with a sliding pipe through a plurality of connecting rods A, the middle part of the sliding pipe is connected with a push rod in a sliding way, and a valve block of the blowing control valve is fixed on the push rod;
the tail part of the injection pipe is provided with a flow-collecting cover A, the bottom of the flow-collecting cover A is connected with an air inlet pipe, the tail part of the air collecting pipe is provided with a flow-collecting cover B, the air inlet pipe penetrates through the flow-collecting cover B, and the bottom of the flow-collecting cover B is connected with an exhaust pipe.
As a further improvement of the invention, the middle part of the blowing nozzle is connected with an inner flow guide cover for layering the blowing fluid through a plurality of connecting rods B, a high-speed flowing area is arranged between the inner flow guide cover and the inner wall of the blowing nozzle, the inner flow guide cover is of a flaring structure, the flaring faces to the necking end of the blowing nozzle, and the sliding pipe is fixed to the inner wall of the inner flow guide cover through the connecting rod A.
As a further improvement of the invention, a necking part A is arranged at the position, corresponding to the tail end of the filter screen, of the middle part of the blowing nozzle, a necking part B is arranged at the position, corresponding to the necking part A, of the blowing pipe, and the necking part A and the necking part B jointly form a flow guide section which is gradually reduced towards the filter screen.
As a further improvement of the invention, one end of the valve block facing the injection tube is of a spherical structure, and the tail end of the valve block is of a conical structure.
As a further improvement of the invention, the cross section of the filter screen is of a wave structure.
The invention has the beneficial effects that:
1. the invention improves the traditional blowing mechanism, changes a single cylinder into a plurality of concentric cylinders, realizes a multi-layer structure of air suction at the edge of the central air jet, can suck air by the air collecting pipe at the edge of the blowing mechanism in a shorter distance after the air flow sprayed out of the cleaner rebounds, has higher efficiency, integrates a valve structure, and can switch between a high-speed air flow mode and a secondary filtering mode, thereby selectively realizing secondary filtration of the inlet air.
2. The invention can realize the layering of air flow through the inner air guide sleeve, can spray filtered air in a smaller spraying space, and effectively prevents the speed loss caused by overlarge spraying sectional area.
3. The guide section can guide the airflow to the filter screen in a guiding manner, so that the flowing efficiency of the air is improved.
4. The valve block is of a streamline structure, and when the valve block is opened, the flow resistance brought by the valve block can be effectively reduced.
5. The filter screen with the wave structure can improve the capture efficiency of dust in the airflow through larger surface roughness of the filter screen.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic structural view of the present invention;
in the figure: 1. a gas collecting pipe; 2. a blowing pipe; 3. a blowing nozzle; 4. a slip ring; 5. a filter screen necking part A; 6. a connecting rod B; 7. an inner air guide sleeve; 8. a connecting rod A; 9. a sliding tube; 10. a push rod; 11. a valve block; 12. the tail end of the valve block; 13. a current collecting cover A; 14. an air inlet pipe; 15. a flow collecting cover B; 16. an exhaust pipe; 17. an inner air guide sleeve.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
As shown in fig. 1, the invention is a dustproof blowing valve, which comprises a blowing pipe, a gas collecting pipe and a blowing control valve; the blowing pipe is positioned in the center of the structure and used for jetting high-speed airflow, the front end of the blowing pipe is connected with a blowing nozzle through a collecting ring, the half part of the blowing nozzle is positioned in a blowing section surrounded by the blowing pipe, and the end part of the blowing nozzle is of a throat structure; the gas collecting pipe is sleeved outside the injection pipe and encloses an air suction interval with the inner wall of the injection pipe, and the end part of the gas collecting pipe is of a flaring structure; the blowing control valve is used for opening or blocking an opening at the tail part of the blowing nozzle; a flow guide area is arranged between the outer wall of the blowing nozzle and the inner wall of the blowing pipe, the end part of the flow guide area is blocked by a collector ring, and an annular filter screen is arranged on the outer wall of the part, located in the flow guide area, of the blowing nozzle; the middle part of the blowing nozzle is connected with a sliding pipe through a plurality of connecting rods A, the middle part of the sliding pipe is connected with a push rod in a sliding way, and a valve block of the blowing control valve is fixed on the push rod; the tail part of the injection pipe is provided with a flow-collecting cover A, the bottom of the flow-collecting cover A is connected with an air inlet pipe, the tail part of the air collecting pipe is provided with a flow-collecting cover B, the air inlet pipe penetrates through the flow-collecting cover B, and the bottom of the flow-collecting cover B is connected with an exhaust pipe.
The middle part of the blowing nozzle is connected with an inner flow guide cover for layering the blowing fluid through a plurality of connecting rods B, a high-speed flowing area is arranged between the inner flow guide cover and the inner wall of the blowing nozzle, the inner flow guide cover is of a flaring structure, the flaring faces to the necking end of the blowing nozzle, and the sliding pipe is fixed to the inner wall of the inner flow guide cover through the connecting rods A;
a necking part A is arranged in the middle of the blowing nozzle corresponding to the tail end of the filter screen, a necking part B is arranged in the blowing pipe corresponding to the necking part A, and the necking part A and the necking part B jointly form a flow guide section which is gradually reduced towards the filter screen;
one end of the valve block facing the blowing pipe is of a spherical structure, and the tail end of the valve block is of a conical structure;
the cross section of the filter screen is of a wave structure.
When the device is used, the device has two working states, the first working state is a filtering working state, at the moment, the valve block moves towards the tail part of the blowing nozzle under the pushing of the push rod to realize the plugging of the blowing nozzle, at the moment, high-speed airflow coming from the air inlet pipe enters a gap between the blowing pipe and the blowing nozzle, and the airflow enters the filter net to be filtered through the blocking of the collector ring, is then discharged at high speed from the gap between the blowing nozzle and the inner flow guide cover, and then is jetted in a beam shape through the necking part of the blowing nozzle, and then part of rebounded gas is recovered through the end part of the flared air collector pipe and is discharged from the exhaust pipe; under the high-speed injection state, open the valve block, the air current can select the less flow path of velocity of flow to flow, and the air current can directly enter into the jetting nozzle this moment to enter into interior kuppe under the guide of filter screen throat portion A and spray, the cooperation of kuppe and throat portion A can reduce the backward flow influence of high-speed air current to the filter screen, prevents that the dust on the filter screen from being inside by the blowback to the jetting pipe.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims (5)

1. A dustproof jetting valve is characterized in that: comprises an injection pipe, a gas collecting pipe and an injection control valve;
the blowing pipe is positioned in the center of the structure and used for jetting high-speed airflow, the front end of the blowing pipe is connected with a blowing nozzle through a collecting ring, the half part of the blowing nozzle is positioned in a blowing section surrounded by the blowing pipe, and the end part of the blowing nozzle is of a throat structure;
the gas collecting pipe is sleeved outside the injection pipe and encloses an air suction interval with the inner wall of the injection pipe, and the end part of the gas collecting pipe is of a flaring structure;
the blowing control valve is used for opening or blocking an opening at the tail part of the blowing nozzle;
a flow guide area is arranged between the outer wall of the blowing nozzle and the inner wall of the blowing pipe, the end part of the flow guide area is blocked by a collector ring, and an annular filter screen is arranged on the outer wall of the part, located in the flow guide area, of the blowing nozzle;
the middle part of the blowing nozzle is connected with a sliding pipe through a plurality of connecting rods A, the middle part of the sliding pipe is connected with a push rod in a sliding way, and a valve block of the blowing control valve is fixed on the push rod;
the tail part of the injection pipe is provided with a flow-collecting cover A, the bottom of the flow-collecting cover A is connected with an air inlet pipe, the tail part of the air collecting pipe is provided with a flow-collecting cover B, the air inlet pipe penetrates through the flow-collecting cover B, and the bottom of the flow-collecting cover B is connected with an exhaust pipe.
2. The dust-proof blowing valve of claim 1, characterized in that: the middle part of the blowing nozzle is connected with an inner flow guide cover for layering the blowing fluid through a plurality of connecting rods B, a high-speed flowing area is arranged between the inner flow guide cover and the inner wall of the blowing nozzle, the inner flow guide cover is of a flaring structure, the flaring faces to the necking end of the blowing nozzle, and the sliding pipe is fixed to the inner wall of the inner flow guide cover through the connecting rods A.
3. The dust-proof blowing valve of claim 1, characterized in that: the middle part of the blowing nozzle is provided with a necking part A corresponding to the tail end of the filter screen, the blowing pipe is provided with a necking part B corresponding to the necking part A, and the necking part A and the necking part B jointly form a flow guide section gradually reduced towards the filter screen.
4. The dust-proof blowing valve of claim 1, characterized in that: one end of the valve block facing the blowing pipe is of a spherical structure, and the tail end of the valve block is of a conical structure.
5. The dust-proof blowing valve of claim 1, characterized in that: the cross section of the filter screen is of a wave structure.
CN201911041349.9A 2019-10-30 2019-10-30 Dustproof jetting valve Pending CN110743858A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911041349.9A CN110743858A (en) 2019-10-30 2019-10-30 Dustproof jetting valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911041349.9A CN110743858A (en) 2019-10-30 2019-10-30 Dustproof jetting valve

Publications (1)

Publication Number Publication Date
CN110743858A true CN110743858A (en) 2020-02-04

Family

ID=69281089

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201911041349.9A Pending CN110743858A (en) 2019-10-30 2019-10-30 Dustproof jetting valve

Country Status (1)

Country Link
CN (1) CN110743858A (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101301553A (en) * 2008-06-24 2008-11-12 江苏宇达电站辅机阀门制造有限公司 Method for cleaning superfine powder dust of bag-type dust remover and device thereof
KR20090016184A (en) * 2007-08-10 2009-02-13 부산대학교 산학협력단 Dust filtering collector with a duster
CN101455924A (en) * 2008-11-27 2009-06-17 苏州工业园区协昌环保科技有限公司 Pulse blowing valve
CN207429910U (en) * 2017-10-31 2018-06-01 兰溪市华棉纺织有限公司 A kind of more dust-extraction units of spinning and weaving workshop integral type
CN208364913U (en) * 2018-05-09 2019-01-11 江苏赛维环保有限公司 A kind of controllable type blowing valve
CN209252689U (en) * 2018-08-30 2019-08-16 广东百胜图科技有限公司 A kind of secondary filtration system and the dust catcher including it

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20090016184A (en) * 2007-08-10 2009-02-13 부산대학교 산학협력단 Dust filtering collector with a duster
CN101301553A (en) * 2008-06-24 2008-11-12 江苏宇达电站辅机阀门制造有限公司 Method for cleaning superfine powder dust of bag-type dust remover and device thereof
CN101455924A (en) * 2008-11-27 2009-06-17 苏州工业园区协昌环保科技有限公司 Pulse blowing valve
CN207429910U (en) * 2017-10-31 2018-06-01 兰溪市华棉纺织有限公司 A kind of more dust-extraction units of spinning and weaving workshop integral type
CN208364913U (en) * 2018-05-09 2019-01-11 江苏赛维环保有限公司 A kind of controllable type blowing valve
CN209252689U (en) * 2018-08-30 2019-08-16 广东百胜图科技有限公司 A kind of secondary filtration system and the dust catcher including it

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