CN116447351B - All-welded forged steel fixed ball valve and use method thereof - Google Patents
All-welded forged steel fixed ball valve and use method thereof Download PDFInfo
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- CN116447351B CN116447351B CN202310684250.0A CN202310684250A CN116447351B CN 116447351 B CN116447351 B CN 116447351B CN 202310684250 A CN202310684250 A CN 202310684250A CN 116447351 B CN116447351 B CN 116447351B
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- wall
- valve body
- ball valve
- filter screen
- rope
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 28
- 239000010959 steel Substances 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000001514 detection method Methods 0.000 claims abstract description 52
- 238000004140 cleaning Methods 0.000 claims abstract description 15
- 238000007599 discharging Methods 0.000 claims abstract 2
- 238000004804 winding Methods 0.000 claims description 44
- 238000007790 scraping Methods 0.000 claims description 41
- 238000007789 sealing Methods 0.000 claims description 37
- 239000012535 impurity Substances 0.000 claims description 28
- 239000010865 sewage Substances 0.000 claims description 28
- 239000000463 material Substances 0.000 claims description 13
- 239000012790 adhesive layer Substances 0.000 claims description 12
- 238000009434 installation Methods 0.000 claims description 2
- 238000010030 laminating Methods 0.000 claims description 2
- 230000003044 adaptive effect Effects 0.000 claims 1
- 239000012780 transparent material Substances 0.000 claims 1
- 239000007789 gas Substances 0.000 description 9
- 239000002737 fuel gas Substances 0.000 description 7
- 238000003466 welding Methods 0.000 description 6
- 239000000853 adhesive Substances 0.000 description 5
- 230000001070 adhesive effect Effects 0.000 description 5
- 239000010410 layer Substances 0.000 description 5
- 230000010405 clearance mechanism Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000002955 isolation Methods 0.000 description 4
- 238000005242 forging Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000009972 noncorrosive effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/06—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor
- F16K5/0605—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor with particular plug arrangements, e.g. particular shape or built-in means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/68—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements
- B01D46/681—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements by scrapers, brushes or the like
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/06—Construction of housing; Use of materials therefor of taps or cocks
- F16K27/067—Construction of housing; Use of materials therefor of taps or cocks with spherical plugs
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/08—Guiding yokes for spindles; Means for closing housings; Dust caps, e.g. for tyre valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0066—Hydraulic or pneumatic means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
- G01M3/12—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing elastic covers or coatings, e.g. soapy water
- G01M3/14—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing elastic covers or coatings, e.g. soapy water for pipes, cables or tubes; for pipe joints or seals; for valves; for welds; for containers, e.g. radiators
- G01M3/144—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing elastic covers or coatings, e.g. soapy water for pipes, cables or tubes; for pipe joints or seals; for valves; for welds; for containers, e.g. radiators for valves
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Details Of Valves (AREA)
Abstract
The invention relates to the field of all-welded forged steel ball valves, in particular to an all-welded forged steel fixed ball valve and a use method thereof. The invention can simplify the cleaning process of the filter screen in the all-welded forged steel fixed ball valve. The invention comprises a valve rod, a valve core and a valve body, wherein the inner wall of the valve core is sequentially and fixedly provided with a feed inlet, a first supporting plate, a second supporting plate, a filter screen, a driving part and a discharge outlet from left to right, the inner wall of the valve core is provided with a cleaning mechanism through the first supporting plate for cleaning residues on the surface of the filter screen, the bottom of the valve body is provided with a pollution discharge mechanism below the valve core for discharging residues in the valve core, the cleaning mechanism is movably connected with the pollution discharge mechanism, and the top end of a ball valve body is provided with a detection mechanism. The invention can collect the leaked gas in the detection bag, and the detection bag is supported along with the gas entering the detection bag, so that whether the ball valve body leaks or not can be judged by observing the appearance of the detection bag, and the process of cleaning the filter screen is simplified.
Description
Technical Field
The invention relates to the technical field of all-welded forged steel ball valves, in particular to an all-welded forged steel fixed ball valve and a use method thereof.
Background
The all-welded forged steel fixed ball valve is mainly applicable to pipelines of various systems of a thermal power station, and is used for cutting off or connecting pipeline media. Suitable medium: non-corrosive media such as water, steam, and the like. Compared with other valve products, the forged steel valve has the characteristics of high temperature and high pressure, unique self-sealing design, and more reliable sealing as the pressure is higher. The product also forms the characteristic that other products cannot be replaced due to the special performance and technical characteristics and working conditions.
In the process of conveying the fuel gas, the fuel gas is conveyed to a user's home through a pipeline, the cleaner the fuel gas is, the better the higher the fuel gas is, and the flowing position and the conveying amount of the fuel gas can be controlled by arranging the all-welded forged steel fixed ball valve in the pipeline. However, for some reasons, the gas to be conveyed contains impurities, so that a filter screen is arranged in the pipeline and the all-welded forged steel fixed ball valve, and the impurities in the gas are removed through the filter screen. The long-time use can lead to more and more impurities which are filtered out as the impurities get more and more, the impurities are blocked on the surface of the filter screen, the through holes of the filter screen are blocked, the fuel gas can not normally pass, and the fuel gas conveying efficiency is reduced; need in time clear up the filter screen, among the prior art, general regularly with the fixed ball valve of all welding forging steel follow pipeline is torn open, then clear up the fixed ball valve of all welding forging steel and inside filter screen alone, the clearance process is loaded down with trivial details, leads to cleaning efficiency lower, long-time use can lead to the inside wearing and tearing that appear of the fixed ball valve of all welding forging steel, probably has the gas to outwards spill from the valve rod. To sum up current fixed ball valve of all welding forged steel, the process of clearance filter screen is loaded down with trivial details in the use, leads to cleaning efficiency lower, and whether unable audio-visual observation all welding forged steel fixed ball valve department has the gas leakage problem moreover.
Disclosure of Invention
The invention aims to provide an all-welded forged steel fixed ball valve and a method thereof, which aim to solve the problems in the background art, and the problems to be solved by the invention are as follows: how to simply clear up the inside filter screen of all-welded forged steel fixed ball valve and avoid the filter screen to be stopped up, how to improve cleaning efficiency, how to be convenient for observe whether there is the gas leakage problem in the fixed ball valve department of all-welded forged steel.
In order to solve the technical problems, the invention provides the following technical scheme: the utility model provides a fixed ball valve of all-welded forged steel, includes the ball valve body, the ball valve body includes valve rod, case and valve body, the case inner wall from left to right is fixed being equipped with feed inlet, backup pad one, backup pad two, filter screen, initiative portion and discharge gate in proper order, the case inner wall is equipped with clearance mechanism through backup pad one for clear up the residue on filter screen surface, the valve body bottom in the case below is provided with blowdown mechanism for the residue in the discharge case, clearance mechanism with blowdown mechanism swing joint, the ball valve body top is equipped with detection mechanism, detection mechanism includes lower cover, upper cover, buckle, sealing washer, non-setting adhesive layer and detection bag, the fixed welding of lower cover is in the ball valve body top, lower cover top rear side pass through the hinge with the upper cover is articulated, the lower cover top front side pass through the draw-in groove with the upper cover joint, the upper cover inner wall be equipped with the sealing washer between the lower cover, the sealing washer is fixed to be in the lower cover top, the bottom of upper cover inner wall be equipped with a round non-setting, be equipped with the non-setting adhesive layer and detect the inner wall of non-setting bag, the inside is used for detecting the non-setting adhesive layer, the inside the bag is used for detecting the inner wall of the non-setting bag.
In a preferred embodiment: the sewage draining mechanism comprises a sewage draining pipe, a sealing cover, a sewage draining hole, a hanging ring I, a hanging ring II and a hanging buckle, wherein the sewage draining pipe is arranged below the valve core, the bottom of the sewage draining pipe is provided with the sealing cover in threaded connection, the bottom of the valve core is provided with the sewage draining hole on the left side of the filter screen, the bottom of the inner wall of the sealing cover is provided with the hanging ring I, the sewage draining pipe is provided with the hanging ring II above the sealing cover outside, the inner wall of the sealing cover is provided with the thread I, the outer wall of the bottom of the sewage draining pipe is provided with the thread II, and the thread I is matched with the thread II.
In a preferred embodiment: the cleaning mechanism comprises a supporting shaft, a winding drum, a through hole, a first scraping plate and a second scraping plate, wherein the supporting shaft is fixedly arranged on the right side wall of the supporting plate, a winding drum which is connected in a rotating mode is sleeved on the outer wall of the supporting shaft, the through hole is formed in the bottom of the second supporting plate, the outer wall of the winding drum is connected with the inner wall of the through hole in a rotating mode, the outer wall of the winding drum is divided into a left driven part and a right driving part by the supporting plate, the outer wall of the driven part is connected with the inner wall of the valve core through elastic ropes, a rope is wound on the outer wall of the driving part, the outer wall of the winding drum is close to one end of the filter screen, the first bottom outer wall of the scraping plate is far away from one side of the filter screen, the second scraping plate is arranged on one end of the outer wall of the filter screen, one end of the elastic ropes is fixedly connected with the inner wall of the valve core, the outer wall of the first supporting plate and the second supporting plate is close to one end of the feed inlet, sharp corners are arranged, resistance to the air flow is reduced, hanging buckles are fixedly arranged on the end of the rope, and the first hanging ring and the second hanging ring can be clamped with the hanging buckle.
In a preferred embodiment: the supporting shaft penetrates through the through hole, and the first supporting plate is arranged on one end, close to the feeding hole, of the inner wall of the valve core.
In a preferred embodiment: one end of the rope is fixedly connected with the outer wall of the driving part, and the other end of the rope is fixedly connected with the hanging buckle.
In a preferred embodiment: the first scraper blade outer wall is in sliding connection with the filter screen outer wall, and the second scraper blade is in sliding connection with the valve core inner wall.
In a preferred embodiment: two sets of hangers are symmetrically arranged on the outer wall of the ball valve body, and four hangers are arranged on each set.
In a preferred embodiment: the first outer wall of the scraping plate is fixedly connected with the outer wall of the driving part, and the drain hole is formed above the drain pipe and communicated with the first outer wall of the scraping plate.
In a preferred embodiment: the valve core is rotationally arranged inside the valve body, a valve rod is fixedly arranged at the top end of the valve body, a handle is fixedly arranged above the valve body after the top of the valve rod extends to the top of the valve body, and the valve rod is rotationally connected with the valve body.
The invention also discloses a using method of the all-welded forged steel fixed ball valve, which comprises the following steps:
step one: the installation, connect ball valve body and external pipeline, make the direction of delivery of material flow from the feed inlet to the discharge gate, namely flow from the one end that the valve body is close to the feed inlet to the one end that the valve body is close to the discharge gate, through forward rotation handle, drive valve rod, the valve core forward rotation ninety degrees, ball valve body is closed, the material can't pass, reverse rotation handle, drive valve rod, the valve core reverse rotation ninety degrees reset, the ball valve body is opened, the material can pass the filter screen and continue to flow forward, impurity in the material is intercepted by the filter screen, open the buckle, rotate the upper cover upwards, will detect bag bottom outer wall and adhesive layer adhesion laminating together, rotate the upper cover downwards, make buckle and draw-in groove joint, make upper cover and lower cover closure, the sealing washer is located between upper cover and the lower cover, can prevent inside and outside air exchange, the appearance of detection bag is flat, collapse at this moment;
step two: when the joint of the valve rod and the ball valve body is in gas leakage, gas enters the upper cover and the detection bag, the gas is collected in the detection bag in a concentrated way due to the isolation effect of the adhesive layer, and the detection bag is propped up as the gas enters the detection bag, so that the appearance of the detection bag is changed like inflating the ball valve, and whether the ball valve body is leaked or not can be judged by observing the appearance of the detection bag;
step three: after the sewage is cleaned and used for a long time, a part of impurities can adhere to the surface of the filter screen, the sealing cover is rotated to separate the sealing cover from the sewage discharge pipe, the hanging buckle is separated from the hanging ring I, and the hanging buckle is clamped with the hanging ring II; the rope is pulled outwards, the rope is pulled out from the surface of the driving part and drives the winding drum to rotate forwards, the supporting shaft supports the winding drum, the winding drum drives the elastic rope and the scraping plate I, and the winding drum drives the elastic rope to be stretched and wound on the driven part; the winding drum drives the first scraping plate to rotate forward along the outer wall of the filter screen so as to scrape impurities adhered to the outer wall of the filter screen, and the first scraping plate drives the second scraping plate to synchronously rotate forward so as to scrape impurities adhered to the inner wall of the left side of the valve core until the rope cannot be pulled outwards any more; loosening a force hand for pulling the rope; the elastic rope loses external force, the elastic rope is driven to shrink through the elastic force of the elastic rope, the winding drum is driven to reversely rotate while the elastic rope is shrunk, the winding drum drives the rope to be wound on the outer wall of the driving part until the rope is straightened and cannot be continuously wound, the winding drum drives the first scraping plate and the second scraping plate to synchronously reversely rotate, impurities accumulated on the outer walls of the first scraping plate and the second scraping plate can fall into a sewage draining hole in the rotating process of the first scraping plate and the second scraping plate, the impurities are discharged through the sewage draining pipe, the first scraping plate and the second scraping plate are driven to continuously rotate through the first pulling and the first loosening, and therefore impurities on the outer wall of the filter screen are cleaned;
step four: reset, separate the hanging buckle from the hanging ring II, and connect the hanging buckle with the hanging ring I, reversely rotate the sealing cover, so that the sealing cover is connected with the sewage drain pipe, the sewage drain pipe is closed, and the subsequent use is facilitated.
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, the lower cover, the upper cover, the buckle, the sealing ring, the adhesive sticker layer and the detection bag are arranged, so that the upper cover and the lower cover can be closed, the sealing ring is positioned between the upper cover and the lower cover, internal and external air exchange can be prevented, when the air leakage condition occurs at the joint of the valve rod and the ball valve body, air enters the upper cover and the detection bag, because of the isolation effect of the adhesive sticker layer, the air is collected in the detection bag in a concentrated manner, the detection bag is supported along with the air entering the detection bag, the appearance of the detection bag is changed like inflating an air ball, whether the ball valve body has leakage or not can be judged by observing the appearance of the detection bag, the supporting shaft, the winding drum, the through hole, the first scraping plate and the second scraping plate are arranged, the winding drum drives the first scraping plate and the second scraping plate to synchronously rotate forwards or reversely, impurities accumulated on the outer walls of the first scraping plate and the second scraping plate can fall into a blow-down hole in the process of the blow-down pipe to be discharged, and the first loosening rope is pulled to drive the first scraping plate and the second scraping plate to continuously rotate, so that impurities on the outer wall of the valve and the inner wall of the left side can be cleaned, the sharp corner is not required to be repeatedly removed from the pipeline body in the cleaning process, the filter is removed, the filter is reduced, and the sharp corner is reduced when the filter is installed and the sharp corner is close to the filter is arranged through the filter and the filter screen.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a front view of the entire present invention;
FIG. 2 is a bottom view of the entirety of the present invention;
FIG. 3 is a front cross-sectional view of the invention at A-A in FIG. 2;
FIG. 4 is an enlarged view of a portion of the invention at A in FIG. 3;
FIG. 5 is an enlarged view of a portion of the invention at B in FIG. 3;
FIG. 6 is a bottom cross-sectional view taken at C-C of FIG. 2 in accordance with the present invention;
FIG. 7 is a side cross-sectional view of the invention at C-C in FIG. 2;
FIG. 8 is an enlarged view of a portion of the invention at C in FIG. 6;
FIG. 9 is an enlarged view of a portion of the invention at D in FIG. 3;
in the figure: 1. a ball valve body; 2. a valve stem; 3. a valve core; 301. a feed inlet; 302. a first supporting plate; 303. a second supporting plate; 304. a filter screen; 305. a discharge port; 306. winding up a winding drum; 307. a support shaft; 308. a through hole; 309. a first scraping plate; 310. a second scraping plate; 311. a rope; 312. an elastic rope; 3061. a driven part; 3062. an active part; 4. a valve body; 401. a blow-down pipe; 402. sealing cover; 403. a blow-down hole; 404. a hanging ring I; 405. a hanging ring II; 406. hanging buckle; 407. hanging lugs; 501. a lower cover; 502. an upper cover; 503. a buckle; 504. a seal ring; 505. a non-setting adhesive layer; 506. and (5) detecting the bag.
Description of the embodiments
The following description of the embodiments of the present invention 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 invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 2-4 and fig. 6-9, the present invention provides the following technical solutions: the utility model provides a fixed ball valve of all-welded forged steel, includes ball valve body 1, ball valve body 1 includes valve rod 2, case 3 and valve body 4, case 3 inner wall from left to right is fixed in proper order and is equipped with feed inlet 301, backup pad one 302, backup pad two 303, filter screen 304, initiative portion 3062 and discharge gate 305, case 3 inner wall is equipped with clearance mechanism through backup pad one 302 for clear up the residue on filter screen 304 surface, case 4 bottom in case 3 below is provided with blowdown mechanism for the residue in the case 3, clearance mechanism with blowdown mechanism swing joint, ball valve body 1 top is equipped with detection mechanism, detection mechanism includes lower cover 501, upper cover 502, buckle 503, sealing washer 504, non-setting adhesive layer 505 and detection bag 506, lower cover 501 fixed weld is in ball valve body 1 top, lower cover 501 top rear side through the hinge with upper cover 502 is articulated, lower cover 501 top front side through the draw-in groove with upper cover 502 joint, upper cover 502 inner wall be equipped with draw-in groove looks adaptation upper cover 504, lower cover 502 and be equipped with detection mechanism, lower cover 502 is equipped with detection mechanism is equipped with sealing washer 506, lower cover 502 is equipped with the inner wall 502 is equipped with the air-permeable bag 502, and is equipped with the inside is equipped with the sealing washer 506, the inside is used for detecting the inner wall of bag 502.
Fig. 1, fig. 4 and fig. 5, the blowdown mechanism includes blow off pipe 401, sealed lid 402, blowdown hole 403, link one 404, link two 405 and link 406, valve body 4 bottom in case 3 below is provided with blow off pipe 401, blow off pipe 401 bottom is equipped with threaded connection's sealed lid 402, case 3 bottom in filter screen 304 left side is equipped with blowdown hole 403, sealed lid 402 inner wall bottom is provided with link one 404, blow off pipe 401 is outward sealed lid 402 top is provided with link two 405, sealed lid 402 inner wall is equipped with screw thread one, blow off pipe 401 bottom outer wall is equipped with screw thread two, screw thread one with screw thread two-phase adaptation.
In particular, the cleaning mechanism comprises a supporting shaft 307, a winding drum 306, a through hole 308, a first scraper 309 and a second scraper 310, the supporting shaft 307 is fixedly arranged on the right side wall of the first supporting plate 302, the winding drum 306 which is rotationally connected is sleeved on the outer wall of the supporting shaft 307, the through hole 308 is arranged at the bottom of the second supporting plate 303, the outer wall of the winding drum 306 is rotationally connected with the inner wall of the through hole 308, the outer wall of the winding drum 306 is divided into a left driven part 3061 and a right driving part 3062 by the second supporting plate 303, the outer wall of the driven part 3061 is connected with the inner wall of the valve core 3 through an elastic rope 312, a winding rope 311 is arranged on the outer wall of the driving part 3062, the scraper 309 is arranged at one end of the outer wall of the winding drum 306 close to the filter screen 304, the second scraper 310 is arranged on one side of the outer wall of the bottom of the scraper 309 which is far away from the filter screen 304, the valve core 3 is rotationally arranged inside the valve body 4, the top of the valve body 4 is fixedly provided with a valve rod 2, the top of the valve rod 2 extends to the upper part of the valve body 4 and is fixedly provided with a handle, the valve rod 2 is rotationally connected with the valve body 4, one end of an elastic rope 312 is fixedly connected with the outer wall of the driven part 3061, the other end of the elastic rope 312 is fixedly connected with the inner wall of the valve core 3, the outer walls of the first supporting plate 302 and the second supporting plate 303 are both provided with sharp corners close to one end of the feeding hole 301 and used for reducing resistance to air flow, the end part of the rope 311 is fixedly provided with a hanging buckle 406, the hanging ring one 404 and the hanging ring two 405 can be clamped with the hanging buckle 406, the supporting shaft 307 penetrates through the through hole 308, the inner wall of the first supporting plate 302 is arranged at one end of the valve core 3 close to one end of the feeding hole 301, one end of the rope 311 is fixedly connected with the outer wall of the driving part 3062, the other end of the rope 311 is fixedly connected with the hanging buckle 406, the outer wall of the first scraper 309 is slidably connected with the outer wall of the filter screen 304, the second scraper 310 is slidably connected with the inner wall of the valve core 3, two groups of hanging lugs 407 are symmetrically arranged on the outer wall of the ball valve body 1, four hanging lugs 407 are arranged on each group, the outer wall of the first scraper 309 is fixedly connected with the outer wall of the driving part 3062, and the drain hole 403 is arranged above the drain pipe 401 and is communicated with the upper portion of the drain pipe.
The invention also discloses a using method of the all-welded forged steel fixed ball valve, which comprises the following steps:
step one: the ball valve body 1 is connected with an external pipeline, so that the conveying direction of materials flows from a feed inlet 301 to a discharge outlet 305, namely, flows from one end of a valve body 4 close to the feed inlet 301 to one end of the valve body 4 close to the discharge outlet 305, the handle is rotated in the forward direction to drive the valve rod 2 and the valve core 3 to rotate ninety degrees in the forward direction, the ball valve body 1 is closed, the materials cannot pass through the ball valve body 1, the handle is rotated in the reverse direction to drive the valve rod 2 and the valve core 3 to rotate ninety degrees in the reverse direction for resetting, the ball valve body 1 is opened, the materials can pass through a filter screen 304 to continue to flow forwards, impurities in the materials are intercepted by the filter screen 304, a buckle 503 is opened, an upper cover 502 is rotated upwards, the outer wall of the bottom of a detection bag 506 is adhered to a self-adhesive layer 505, the upper cover 502 is rotated downwards, the buckle 503 is clamped with a clamping groove, the upper cover 502 is closed with the lower cover 501, and the inner and outer air exchange can be prevented;
step two: when the joint of the valve rod 2 and the ball valve body 1 is in the air leakage condition, air enters the upper cover 502 and the detection bag 506, the air is collected in the detection bag 506 in a concentrated way due to the isolation effect of the adhesive sticker layer 505, the detection bag 506 is propped up along with the air entering the detection bag 506, the appearance of the detection bag 506 is changed like inflating an air ball, and whether the ball valve body 1 has leakage can be judged by observing the appearance of the detection bag 506;
step three: after the sewage is cleaned and used for a long time, a part of impurities can adhere to the surface of the filter screen 304, the sealing cover 402 is rotated, so that the sealing cover 402 is separated from the sewage drain 401, the hanging buckle 406 is separated from the hanging ring one 404, and the hanging buckle 406 is clamped with the hanging ring two 405; the rope 311 is pulled outwards, the rope 311 is pulled out from the surface of the driving part 3062 and drives the winding drum 306 to rotate forwards, the supporting shaft 307 supports the winding drum 306, the winding drum 306 drives the elastic rope 312 and the scraper 309, and the winding drum 306 drives the elastic rope 312 to be stretched and wound on the driven part 3061; the winding drum 306 drives the first scraper 309 to rotate forward along the outer wall of the filter screen 304, so that impurities adhered to the outer wall of the filter screen 304 are scraped, the first scraper 309 drives the second scraper 310 to synchronously rotate forward, so that impurities adhered to the left inner wall of the valve core 3 are scraped, and the rope 311 cannot be pulled outwards any more; releasing the force hand pulling the rope 311; the elastic rope 312 loses external force, the elastic rope 312 is driven to shrink through the elastic force of the elastic rope 312, the winding drum 306 is driven to reversely rotate while the elastic rope 312 shrinks, the winding drum 306 drives the rope 311 to be wound on the outer wall of the driving part 3062 until the rope 311 is straightened and cannot be wound continuously, the winding drum 306 drives the first 309 and second 310 scrapers to synchronously reversely rotate, impurities accumulated on the outer walls of the first 309 and second 310 scrapers can fall into the blow-down holes 403 in the rotating process of the first 309 and second 310 scrapers, the impurities are discharged through the blow-down pipe 401, the first 309 and second 310 scrapers are driven to continuously rotate through pulling one, and therefore the impurities on the outer wall of the filter screen 304 are cleaned;
step four: reset, the hanging buckle 406 is clamped and separated from the hanging ring II 405, the hanging buckle 406 is clamped and connected with the hanging ring I404, and the sealing cover 402 is reversely rotated, so that the sealing cover 402 is connected with the sewage drain pipe 401, the sewage drain pipe 401 is closed, and the subsequent use is facilitated.
The working principle of the invention is as follows:
according to the invention, by arranging the lower cover 501, the upper cover 502, the buckle 503, the sealing ring 504, the adhesive sticker layer 505 and the detection bag 506, the upper cover 502 and the lower cover 501 can be closed, the sealing ring 504 is positioned between the upper cover 502 and the lower cover 501, the internal and external air exchange can be prevented, when the air leakage condition occurs at the joint of the valve rod 2 and the ball valve body 1, the air enters the upper cover 502 and the detection bag 506, because of the isolation effect of the adhesive sticker layer 505, the air is collected in the detection bag 506 in a concentrated manner, the detection bag 506 is supported up along with the air entering the detection bag 506, the appearance of the detection bag 506 is changed like the inflation of an air ball, whether the ball valve body 1 is leaked or not can be judged by observing the appearance of the detection bag 506, the first ball valve body 307, the rolling barrel 306, the through holes 308, the first 309 and the second 310 are arranged, the rolling barrel 306 is driven to synchronously rotate in the forward direction or the reverse direction, the impurities accumulated on the outer walls of the first 309 and the second 310 are dropped in the holes 403, the drain pipe 401 is discharged, the first 309 and the second 309 are pulled to drive the second 309, the second 309 and the second 309 are driven to rotate, and the second 309 are continuously rotate, and the second 309 are driven by the second 309 and the second 309 are arranged, and the second 309 are in the second 309 and the second 309 is a front, and the second 3 is a front, and a front end is a front, and a front end is a front end, and a rear end is arranged, and a front end of a front end is arranged, and a rear end of a front end is arranged.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The utility model provides a fixed ball valve of all welded forged steel, includes ball valve body (1), its characterized in that: the ball valve body (1) comprises a valve rod (2), a valve core (3) and a valve body (4), a feed inlet (301), a first supporting plate (302), a second supporting plate (303), a filter screen (304), a driving part (3062) and a discharge outlet (305) are sequentially and fixedly arranged on the inner wall of the valve core (3), a cleaning mechanism is arranged on the inner wall of the valve core (3) through the first supporting plate (302) and used for cleaning residues on the surface of the filter screen (304), a pollution discharge mechanism is arranged below the valve core (3) at the bottom of the valve body (4) and used for discharging residues in the valve core (3), the cleaning mechanism is movably connected with the pollution discharge mechanism, a detection mechanism is arranged at the top end of the valve core (1), the detection mechanism comprises a lower cover (501), an upper cover (502), a buckle (503), a sealing ring (504), an adhesive layer (505) and a detection bag (506), the rear side of the top end of the lower cover (501) is fixedly welded at the top end of the ball valve body (1), hinged with the upper cover (502), the lower cover (502) is hinged with the upper cover (502), the upper cover (502) through a hinge, the front cover (502) is provided with the buckle (502) and the upper cover (502), the sealing ring (504) is fixedly arranged at the top end of the lower cover (501), a circle of self-adhesive layer (505) is arranged at the bottom of the inner wall of the upper cover (502), an adaptive detection bag (506) is movably arranged in the upper cover (502) and is used for collecting gas, the outer wall of the bottom of the detection bag (506) is adhered with the inner wall of the upper cover (502) through the self-adhesive layer (505), the upper cover (502) is made of a transparent material, and the detection bag (506) is made of a deformable airtight material; the sewage draining mechanism comprises a sewage draining pipe (401), a sealing cover (402), a sewage draining hole (403), a first hanging ring (404), a second hanging ring (405) and a hanging buckle (406), wherein the sewage draining pipe (401) is arranged below the valve core (3) at the bottom of the valve body (4), the sealing cover (402) in threaded connection is arranged at the bottom of the sewage draining pipe (401), the sewage draining hole (403) is arranged at the left side of the filter screen (304) at the bottom of the valve core (3), the first hanging ring (404) is arranged at the bottom of the inner wall of the sealing cover (402), the second hanging ring (405) is arranged outside the sewage draining pipe (401) above the sealing cover (402), the first thread is arranged on the inner wall of the sealing cover (402), the second thread is arranged on the outer wall of the bottom of the sewage draining pipe (401), and the first thread is matched with the second thread; the cleaning mechanism comprises a supporting shaft (307), a winding drum (306), a through hole (308), a first scraping plate (309) and a second scraping plate (310), wherein the supporting shaft (307) is fixedly arranged on the right side wall of the first supporting plate (302), the winding drum (306) which is rotationally connected is sleeved on the outer wall of the supporting shaft (307), the through hole (308) is arranged at the bottom of the second supporting plate (303), the outer wall of the winding drum (306) is rotationally connected with the inner wall of the through hole (308), the outer wall of the winding drum (306) is divided into a left driven part (3061) and a right driving part (3062) by the second supporting plate (303), the outer wall of the driven part (3061) is connected with the inner wall of the valve core (3) through an elastic rope (312), a rope (311) is wound on the outer wall of the driving part (3062), the outer wall of the winding drum (306) is close to one end of the filter screen (304), the outer wall of the bottom of the first scraping plate (309) is far away from the inner wall of the filter screen (304) and is provided with the second scraping plate (310), one end of the elastic rope (312) is fixedly connected with the outer wall (3061) of the valve core (3), the ball valve comprises a first supporting plate (302) and a second supporting plate (303), wherein the outer walls of the first supporting plate and the second supporting plate are provided with sharp corners at one end, close to a feeding hole (301), for reducing resistance to air flow, hanging buckles (406) are fixedly arranged at the end parts of ropes (311), the hanging rings (404) and the hanging rings (405) can be clamped with the hanging buckles (406), two groups of hanging lugs (407) are symmetrically arranged on the outer wall of a ball valve body (1), and four hanging lugs (407) are arranged in each group; the outer wall of the first scraper (309) is fixedly connected with the outer wall of the driving part (3062), and the drain hole (403) is arranged above the drain pipe (401) and is communicated with the first scraper; the valve core (3) is rotationally arranged inside the valve body (4), a valve rod (2) is fixedly arranged at the top end of the valve body (4), a handle is fixedly arranged above the valve body (4) and extends from the top of the valve rod (2), and the valve rod (2) is rotationally connected with the valve body (4).
2. The all-welded wrought steel fixed ball valve of claim 1, wherein: the support shaft (307) penetrates through the through hole (308), and the first support plate (302) is arranged on one end, close to the feed inlet (301), of the inner wall of the valve core (3).
3. The all-welded wrought steel fixed ball valve of claim 1, wherein: one end of the rope (311) is fixedly connected with the outer wall of the driving part (3062), and the other end of the rope (311) is fixedly connected with the hanging buckle (406).
4. The all-welded wrought steel fixed ball valve of claim 1, wherein: the outer wall of the first scraper (309) is in sliding connection with the outer wall of the filter screen (304), and the second scraper (310) is in sliding connection with the inner wall of the valve core (3).
5. The method for using the all-welded forged steel fixed ball valve according to any one of claims 1 to 4, wherein: the specific application method is as follows:
step one: the installation, be connected ball valve body (1) and external pipeline, make the direction of delivery of material flow to discharge gate (305) for from feed inlet (301), namely flow to the one end that valve body (4) is close to discharge gate (305) from the one end that valve body (4) is close to feed inlet (301), through forward rotation handle, drive valve rod (2), case (3) forward rotation ninety degrees, ball valve body (1) is closed, the material can't pass through, reverse rotation handle, drive valve rod (2), case (3) reverse rotation ninety degrees reset, ball valve body (1) is opened, the material can pass filter screen (304) and continue to flow forward, impurity in the material is intercepted by filter screen (304), open buckle (503), rotate upper cover (502) upward, with detection bag (506) bottom outer wall and adhesive layer (505) adhesion laminating together, rotate upper cover (502) downward, make buckle (503) and draw-in groove joint, make upper cover (502) and lower cover (501) closure, sealing washer (504) are located between upper cover (502) and lower cover (501), can prevent the exchange of air.
Step two: when the joint of the valve rod (2) and the ball valve body (1) is in the air leakage condition, air enters the upper cover (502) and the detection bag (506), and the air is collected in the detection bag (506) in a concentrated mode, so that the appearance of the detection bag (506) is changed, and whether the ball valve body (1) leaks or not can be judged by observing the appearance of the detection bag (506);
step three: after the sewage is cleaned and used for a long time, a part of impurities can be adhered to the surface of the filter screen (304), the sealing cover (402) is rotated, so that the sealing cover (402) is separated from the sewage pipe (401), the hanging buckle (406) is separated from the hanging ring I (404), and the hanging buckle (406) is clamped with the hanging ring II (405); the rope (311) is pulled outwards, the rope (311) is pulled out from the surface of the driving part (3062) and drives the winding drum (306) to rotate forwards, the supporting shaft (307) supports the winding drum (306), the winding drum (306) drives the elastic rope (312) and the scraping plate I (309), and the winding drum (306) drives the elastic rope (312) to be stretched and wound on the driven part (3061); the winding drum (306) drives the scraper blade I (309) to rotate forward along the outer wall of the filter screen (304), so that impurities adhered to the outer wall of the filter screen (304) are scraped, the scraper blade I (309) drives the scraper blade II (310) to synchronously rotate forward, so that impurities adhered to the inner wall of the left side of the valve core (3) are scraped, and the rope (311) cannot be pulled outwards any more; releasing the force hand pulling the rope (311); the elastic rope (312) loses external force, the elastic rope (312) is driven to shrink through the elastic force of the elastic rope (312), the winding drum (306) is driven to rotate reversely when the elastic rope (312) shrinks, the winding drum (306) drives the rope (311) to be wound on the outer wall of the driving part (3062) until the rope (311) is straightened and cannot be wound continuously, the winding drum (306) drives the first scraping plate (309) and the second scraping plate (310) to rotate reversely synchronously, impurities accumulated on the outer walls of the first scraping plate (309) and the second scraping plate (310) can fall into a drain hole (403) in the rotating process of the first scraping plate and the second scraping plate (310) and are discharged through a drain pipe (401), and the first scraping plate (309) and the second scraping plate (310) are driven to rotate continuously through a pull one so as to clean the impurities on the outer wall of the filter screen (304);
step four: reset, separate the link (406) and link two (405) joint, with link (406) and link one (404) joint, reverse rotation sealed lid (402) for sealed lid (402) are connected with blow off pipe (401), and blow off pipe (401) are closed, are convenient for follow-up use.
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| CN202310684250.0A CN116447351B (en) | 2023-06-12 | 2023-06-12 | All-welded forged steel fixed ball valve and use method thereof |
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| CN116696880A (en) * | 2023-07-31 | 2023-09-05 | 青州锦荣液压科技有限公司 | Hydraulic threaded cartridge valve |
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